CN107575615B

CN107575615B - Water tap

Info

Publication number: CN107575615B
Application number: CN201711012068.1A
Authority: CN
Inventors: 张南新
Original assignee: Xinhua Xinyuan Electronic Ceramics Co ltd
Current assignee: Xinhua Xinyuan Electronic Ceramics Co ltd
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2024-05-28
Anticipated expiration: 2037-10-26
Also published as: WO2019080364A1; CN107575615A

Abstract

The invention discloses a tap, which comprises an outer shell, wherein an assembly port is communicated to a flow passage between a water inlet connecting pipe orifice and a water outlet, a control mechanism for regulating and controlling water flow from the water inlet connecting pipe orifice to the water outlet is arranged on the assembly port, the control mechanism comprises a static piece, a movable piece, a fastening piece and a valve rod, the static piece is arranged at the bottom end of an inner cavity of the assembly port and is covered on the flow passage between the water inlet connecting pipe orifice and the water outlet, the static piece is used for forming a fixed flow passage, a surface joint sealing gland is arranged on the static piece and is used for forming a movable flow passage and is in rotary fit with the fixed flow passage of the static piece so as to form flow passages with different radial dimensions, the surface joint sealing gland is arranged on the movable piece and is used for sealing the assembly port, fixing a fastening piece of the movable piece and the static piece along the axial direction, and a valve rod which is arranged in a surrounding cavity of the fastening piece and is connected with the movable piece and is used for controlling the rotation regulation of the radial movement of the movable piece, and a driving mechanism is arranged at the outer extending end of the valve rod.

Description

Water tap

Technical Field

The invention relates to the technical field of water flow control switch structures, in particular to a faucet.

Background

The water tap is a common household water flow control switch, and a valve core mechanism is often adopted in a water flow control part of the water tap. The existing valve core mechanism is complex in structure and comprises a valve sleeve, a valve rod, a moving plate, a static plate, a sealing ring and other auxiliary structures, double-layer waterproof and leakage-proof measures are needed to be carried out inside the valve core mechanism and between the valve core mechanism and a valve body, the double-layer waterproof and leakage-proof measures can be contacted with water flow erosion in an inner cavity of the valve body, and once one part is leaked, the whole valve body structure is easily leaked.

On the other hand, the valve rod is one of the frequently rotating components of the sealing water valve, and the valve rod and the peripheral structure are difficult to be completely sealed, and a sealing ring is generally adopted for sealing, but once water flow enters and contacts with the sealing ring, the sealing ring is extremely easy to wear under the frequent rotation of the valve rod, so that the phenomenon of outward water leakage is caused.

Disclosure of Invention

The invention provides a water tap, which aims to solve the technical problems that the existing water tap is complex in structure, short in service life and easy to cause water leakage.

The invention provides a tap, which comprises an outer shell, wherein the outer shell is provided with a water inlet connecting pipe orifice, a water outlet and an assembling port, the assembling port is communicated to a flow passage between the water inlet connecting pipe orifice and the water outlet, a control mechanism for regulating and controlling the flow of water flowing from the water inlet connecting pipe orifice to the water outlet is arranged on the assembling port, the control mechanism comprises a static piece arranged at the bottom end of an inner cavity of the assembling port and covered on the flow passage between the water inlet connecting pipe orifice and the water outlet and used for forming a fixed flow passage, a movable piece which is covered on the static piece by a surface jointing sealing gland and used for forming a movable flow passage and is in rotary fit with the fixed flow passage of the static piece so as to form flow passages with different radial dimensions, a fastener which is covered on the movable piece and used for sealing the assembling port and fixing the movable piece along the axial direction, and a valve rod which is positioned in a surrounding cavity of the fastener and the movable piece and connected with the movable piece and used for controlling rotary regulation and limiting radial movement of the movable piece, and a driving mechanism used for driving the valve rod to rotate is arranged on an overhanging end of the valve rod.

Further, the static piece covers the flow channel of the water outlet, or covers the flow channel of the water inlet connecting pipe orifice.

Further, at least one circle of overhanging steps overhanging inwards along the radial direction is arranged on the inner wall surface of the outer shell; the static piece is pressed on the ring surface of the overhanging step, and a sealing groove and a sealing ring for forming compression seal between the static piece and the outer shell are arranged between the static piece and the overhanging step; the outer side wall of the static plate is also provided with a circumferential positioning piece for circumferentially fixing and positioning the static plate in the inner cavity of the outer shell.

Further, a circle of overhanging steps overhanging inwards along the radial direction are arranged on the inner wall surface of the outer shell; the static piece is pressed on the ring surface of the overhanging step through a sealing ring used for sealing between the static piece and the outer shell and buffering the upper pressing force, and the sealing ring is clamped between the static piece and the overhanging step and is clung to the side wall surface of the inner cavity of the outer shell; the outer side wall of the static plate is also provided with a circumferential positioning piece for circumferentially fixing and positioning the static plate in the inner cavity of the outer shell.

Further, the sealing ring comprises a first end surface for propping contact with the end surface of the static piece and a second end surface for propping contact with the ring surface of the overhanging step, and the first end surface and the second end surface form a group of opposite clamping surfaces; the sealing ring also comprises an outer side surface which is used for being contacted with the side wall surface of the inner cavity of the outer shell, and an inner ring surface which is used for being contacted with the water inlet fluid to bear the water flow pressure and radially pressing the sealing ring on the side wall surface of the inner cavity of the outer shell through the water flow pressure, wherein the outer side surface and the inner ring surface form a group of unidirectional stress surfaces from inside to outside.

Further, at least two layers of positioning rings which are arranged in a ring shape along the circumferential direction and used for limiting the axial movement and the radial movement of the valve rod are arranged between the valve rod and the inner wall of the fastener so as to ensure the circumferential rotation adjustment stability of the valve rod.

Further, the fastener comprises a sealing cover for sealing the assembly opening, a sealing part which is used for tightly and hermetically contacting with the moving plate to seal the valve rod in a cavity formed by enclosing the fastener and the moving plate and is fixedly connected with the assembly opening is arranged at the lower part of the sealing cover, a force application part which is used for applying force when the sealing part is connected with the assembly opening of the outer shell is arranged at the upper part of the sealing cover, and a through hole for sealing and assembling the valve rod is formed in the middle part of the fastener along the axial direction.

Further, the fastening piece is in fastening connection with the outer shell, and a sealing mechanism is arranged between the fastening piece and the inner cavity of the outer shell.

Further, at least one fixed fluid channel which is communicated along the axial direction is arranged on the static plate, the direction of the fixed fluid channel facing the outside of the shell body is a horn mouth with a large outside and a small inside, the direction of the fixed fluid channel facing the moving plate is a matching port matched with the size of a rotary sealing surface of the moving plate, and the static plate is provided with an adjusting surface which is used for being tightly matched with the moving plate and is in face contact and rotating fit to seal the fluid channel or form a circulation channel with different radial sizes, and a sealing surface which is used for being in pressing sealing fit with the surface of the sealing ring; and/or the moving plate comprises a sealing section which is used for being in compaction fit contact with the fastener to seal a cavity where the valve rod is positioned and is connected with the valve rod to rotate along with the valve rod, and an adjusting section which is used for being in compaction fit seal contact with the static plate and is in rotating fit with the static plate to form fluid channels with different radial dimensions, the end face shape of the adjusting section is matched with the shape of a matching opening on the static plate, a diagonal bracing structure for increasing the strength of the wall body is arranged at the corner part of the adjusting section and/or the corner part between the adjusting section and the sealing section, and a limiting piece which is used for being matched with the cavity wall body in the outer shell body to limit the circumferential rotation range of the moving plate is arranged on the outer side wall surface of the moving plate; the movable plate and the valve rod are connected by at least one of screw threads, inserted connection, clamping connection, sleeving connection, embedding, hot-melt welding and bonding.

Further, at least one of the outer shell, the static plate, the moving plate, the fastener, the valve rod and the driving mechanism adopts an integral injection molding integral piece, and the integral piece is a ceramic body, a glass body, a plastic body or a metal body.

The invention has the following beneficial effects:

The invention relates to a faucet, which improves the traditional valve core structure into a novel control mechanism, directly fixes and positions a static plate on a circulation channel in an inner cavity of an outer shell, limits radial movement of the static plate, and covers the circulation channel by the static plate, wherein the fixed circulation channel on the static plate is used as a circulation channel in the inner cavity of the outer shell and is necessary to pass through the channel; the axial limiting action of the movable plate and the static plate is formed by attaching the movable plate of the gland to the static plate and attaching the gland fastener to the movable plate, and the movable plate is axially and radially positioned by the valve rod, so that the movable plate can only rotate along with the valve rod around the circumference, the radial dimension of the circulation channel in the cavity of the outer shell body is precisely controlled by forming the matching relation between the movable circulation channel on the movable plate and the fixed circulation channel on the static plate, so that the water flow from the water inlet circulation pipe orifice to the water outlet is precisely controlled. The whole structure is simple, the adjustment stability is good, and double-layer dynamic sealing fit is formed by the compression fit between the fastener and the moving plate and between the moving plate and the static plate; the sealing performance of the compressed bonding seal can be improved by utilizing the mirror-surface-level bonding surface matching. The fastener is tightly pressed and fitted with the moving plate, so that the valve rod is completely sealed in a cavity enclosed by the fastener and the moving plate, and the valve rod cannot be in any contact with water flow in the inner cavity of the outer shell, thereby effectively preventing water flow from leaking between the valve rod and the fastener. The whole structure has good sealing and leakage-proof performance, and the dynamic sealing matching part does not relate to an easy-wearing part, so that the sealing and leakage-proof performance of the whole faucet structure can be effectively improved, the opening and closing times of the faucet are improved, and the service life of the faucet is prolonged.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 is a schematic cross-sectional view of a water outlet-adjusting faucet according to a preferred embodiment of the present invention;

FIG. 2 is a schematic sectional view of a water inlet adjusting type faucet according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the structure of a fastener of a preferred embodiment of the present invention;

FIG. 4 is a schematic view of the flare end of a static plate according to a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the static plate mating port end of the preferred embodiment of the present invention;

Fig. 6 is a schematic structural view of a rotor according to a preferred embodiment of the present invention.

Legend description:

1. An outer housing; 101. the water inlet is connected with the pipe orifice; 102. a water outlet; 103. an assembly port; 104. overhanging the step; 2. a control mechanism; 201. static piece; 2011. a circumferential positioning member; 2012. a horn mouth; 2013. a matching port; 202. a moving plate; 2021. a sealing section; 2022. a regulating section; 2023. a diagonal bracing structure; 2024. a limiting piece; 203. a fastener; 2031. sealing cover; 2032. a sealing part; 2033. a force application part; 2034. a through hole; 204. a valve stem; 3. a driving mechanism; 4. sealing grooves; 5. a seal ring; 6. a sealing collar; 7. positioning the ring; 8. and a sealing mechanism.

Detailed Description

Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.

FIG. 1 is a schematic cross-sectional view of a water outlet-adjusting faucet according to a preferred embodiment of the present invention; FIG. 2 is a schematic sectional view of a water inlet adjusting type faucet according to a preferred embodiment of the present invention; FIG. 3 is a schematic view of the structure of a fastener of a preferred embodiment of the present invention; FIG. 4 is a schematic view of the flare end of a static plate according to a preferred embodiment of the present invention; FIG. 5 is a schematic view of the structure of the static plate mating port end of the preferred embodiment of the present invention; fig. 6 is a schematic structural view of a rotor according to a preferred embodiment of the present invention.

As shown in fig. 1, the faucet of this embodiment comprises an outer housing 1, wherein the outer housing 1 is provided with a water inlet connecting pipe orifice 101, a water outlet 102 and an assembling port 103, the assembling port 103 is communicated to a flow passage between the water inlet connecting pipe orifice 101 and the water outlet 102, a control mechanism 2 for regulating and controlling water flow from the water inlet connecting pipe orifice 101 to the water outlet 102 is arranged on the assembling port 103, the control mechanism 2 comprises a static plate 201 which is arranged at the bottom end of an inner cavity of the assembling port 103 and is covered on the flow passage between the water inlet connecting pipe orifice 101 and the water outlet 102 and is used for forming a fixed flow passage, a movable plate 202 which is covered on the static plate 201 and is used for forming a movable flow passage and is in running fit with the fixed flow passage of the static plate 201 to form different radial size flow passages for controlling water flow, The face-fitting sealing gland is arranged on the moving plate 202 and used for sealing the assembly opening 103, axially fixing and positioning the fasteners 203 of the moving plate 202 and the static plate 201, and is arranged in the enclosed cavity of the fasteners 203 and the moving plate 202 and connected with the moving plate 202 to control the moving plate 202 to rotate and regulate and limit the radial movement of the moving plate 202, and a driving mechanism 3 used for driving the moving plate 204 to rotate is arranged on the extending end of the moving plate 204. The invention relates to a faucet, which is characterized in that a traditional valve core structure is improved into a novel control mechanism 2, a static plate 201 is directly fixed and positioned on a circulation channel in an inner cavity of an outer shell 1, radial movement of the static plate 201 is limited, the circulation channel is covered by the static plate 201, and the fixed circulation channel on the static plate 201 is used as a circulation channel in the inner cavity of the outer shell 1 and is necessary to pass through the channel; the movable plate 202 is attached to the static plate 201 and the gland fastener 203 is attached to the movable plate 202, so that axial limiting action on the movable plate 202 and the static plate 201 is formed, and the movable plate 202 is axially and radially positioned through the valve rod 204, so that the movable plate 202 can only rotate around the circumference along with the valve rod 204, a matching relationship between a movable circulation channel on the movable plate 202 and a fixed circulation channel on the static plate 201 is formed, the radial size of the circulation channel in the inner cavity of the outer shell 1 is precisely controlled, and the water flow from the water inlet circulation pipe orifice to the water outlet 102 is precisely controlled. The whole structure is simple, the adjustment stability is good, and double-layer dynamic sealing fit is formed by the tight fit between the fastener 203 and the moving plate 202 and between the moving plate 202 and the static plate 201; the sealing performance of the compressed bonding seal can be improved by utilizing the mirror-surface-level bonding surface matching. By means of the tight fit between the fastener 203 and the moving plate 202, the valve rod 204 is completely sealed in the cavity enclosed by the fastener 203 and the moving plate 202, and the valve rod 204 cannot be in any contact with water flow in the inner cavity of the outer shell 1, so that leakage of water flow between the valve rod 204 and the fastener 203 is effectively prevented. The whole structure has good sealing and leakage-proof performance, and the dynamic sealing matching part does not relate to an easy-wearing part, so that the sealing and leakage-proof performance of the whole faucet structure can be effectively improved, the opening and closing times of the faucet are improved, and the service life of the faucet is prolonged. The outer part of the valve rod 204 extending outwards from the fastener 203 is provided with a driving mechanism 3 for applying torque. Alternatively, the rotation driving mechanism 3 employs a cylindrical handle, an L-shaped handle, or a T-shaped handle. Alternatively, the driving mechanism 3 employs an electric actuator for electric driving or a pneumatic actuator for pneumatic driving. Optionally, the end of the valve stem 204 extending into the interior of the outer housing 1 is configured as a stem end connection for connecting the rotor 202. Optionally, the rod end connection part adopts one of a cylindrical structure, a conical structure, a frustum-shaped structure, a spherical structure, a hemispherical structure, an elliptic structure and a semi-elliptic structure. Optionally, the maximum radial dimension of the rod end connection is greater than the radial dimension of the through bore 2034 to prevent the assembled valve stem 204 from backing out of the fastener 203. Alternatively, the corner portions of the rod end connecting portions are each provided with an arc-shaped angle, so as to prevent stress concentration damage caused by connection and combination with the movable plate 202. Optionally, the outward extending end of the valve rod 204 facing the outside of the outer casing 1 is provided with a connection structure for assembling the driving mechanism 3, and the connection structure is at least one of a clamping groove, a threaded hole, a buckle, a hot-melt welding hole, a plugging hole and a plugging groove. Alternatively, the axial length of the valve stem 204 is 10mm to 100mm; the radial diameter of the valve stem 204 is 3mm to 20mm.

In the present embodiment, as shown in fig. 2, the static plate 201 covers the flow channel of the water outlet 102. One end of the water outlet 102 forms a fixed flow channel, and different water inflow amounts are formed through rotation adjustment of the moving plate 202, so that the water flow rate of the water discharged from the water outlet 102 is accurately controlled. The moving plate 202 has the function of buffering water pressure, and can be suitable for a large water flow environment and used for reducing the water pressure. Optionally, the static plate 201 is capped over the flow channel of the inlet connector nozzle 101, as shown in FIG. 1. One end of the water inlet connecting pipe orifice 101 forms a fixed flow channel, and the output water quantity is regulated by rotating the moving plate 202, so that the water flow of the water discharged from the water outlet 102 is accurately controlled. The moving plate 202 has the function of pressurizing and draining water, and can be suitable for the environment with small water flow and used for pressurizing and outputting water flow.

As shown in fig. 1, in the present embodiment, at least one ring of overhanging step 104 overhanging radially inwards is provided on the inner wall surface of the outer casing 1. The stationary blade 201 presses against the annular surface of the overhanging step 104. A sealing groove 4 and a sealing ring 5 for forming a compression seal between the static piece 201 and the outer shell 1 are arranged between the static piece 201 and the overhanging step 104. The outer side wall of the static plate 201 is also provided with a circumferential positioning piece 2011 for circumferentially fixing and positioning the static plate 201 in the inner cavity of the outer shell 1. The inner cavity of the outer shell 1 is directly used as an assembly cavity of the static piece 201, the static piece 201 is directly assembled in the inner cavity of the outer shell 1, the static piece 201 is directly pressed on the ring surface of the overhanging step 104 of the outer shell 1 and forms water stop and seal between the static piece 201 and the outer shell 1 through the seal groove 4 and the seal ring 5, water flow invades between the static piece 201 and the overhanging step 104 to form a seal water film, the seal water film extends to the matching position of the seal groove 4 and the seal ring 5 to stop and form a seal cut-off surface by the seal ring 5, so that water flow cannot continuously leak inwards, and the seal between the static piece 201 and the outer shell 1 is ensured. The whole structure is simple, the sealing performance is good, the corrosion of inflow water is not easy, and the service life is long. Alternatively, the stationary blade 201 may be constructed separately from the outer case 1. Alternatively, the static plate 201 may be formed integrally with the outer housing 1, and the sealing structure between the static plate 201 and the outer housing 1 may be eliminated. Optionally, a supporting ring is embedded in the surface and/or the wall of the sealing ring 5 to form a support along the stress direction of the sealing ring 5, so that the sealing effect and the deformation resistance of the sealing ring 5 are ensured, the sealing failure of the sealing ring 5 is effectively prevented, and the service life and the supporting capacity of the sealing ring 5 can be prolonged. Optionally, the corner portions of the static plate 201 are all set to be chamfer angles or arc angles, so as to reduce collision injuries between the static plate 201 during assembly or use, and meanwhile, the guide during assembly of the static plate 201 can be formed, so that the static plate 201 is convenient to assemble. Optionally, a sealing ring 5 and/or a water stop groove is also provided between the sealing ring 6 and the inner side wall surface of the outer housing 1. The fixing device is used for fixing and positioning the static plate 201, limiting the radial movement of the static plate 201, forcing the static plate 201 to be centered through the elastic action of the sealing ring 5, and limiting the circumferential rotation of the static plate 201 by utilizing the surface friction force of the sealing ring 5. Thereby ensuring the setting stability of the static plate 201. The static plate 201 is positioned and placed at a specific setting position of the inner cavity of the outer shell 1 through a positioning piece. Alternatively, the static plate 201 is one of a cylinder, a cone, a frustum, a polygon, and a hemisphere.

As shown in fig. 2, in the present embodiment, a ring of overhanging step 104 overhanging radially inwards is provided on the inner wall surface of the outer casing 1. The stator 201 is pressed against the collar surface of the overhanging step 104 by a sealing collar 6 for sealing between the stator 201 and the outer housing 1 and for buffering the upper pressing force. The sealing ring 6 is clamped between the static piece 201 and the overhanging step 104 and is abutted against the side wall surface of the inner cavity of the outer shell 1. The outer side wall of the static plate 201 is also provided with a circumferential positioning piece 2011 for circumferentially fixing and positioning the static plate 201 in the inner cavity of the outer shell 1. The inner cavity of the outer shell 1 is adopted as an assembly cavity of the static piece 201, the static piece 201 is directly assembled in the inner cavity of the outer shell 1, the static piece 201 is pressed on the ring surface of the overhanging step 104 of the outer shell 1 through the sealing ring 6, so that the seal between the static piece 201 and the outer shell 1 is formed, the sealing ring 6 is clamped between the static piece 201 and the overhanging step 104, and the structural stability of the sealing ring 6 can be ensured; the sealing ring 6 is attached in three directions, only the inner ring surface bears the water flow pressure, and the inner ring is not easy to erode by the water flow pressure; along with the increase of the water flow pressure and acting on the inner ring surface of the sealing ring 6, the sealing ring 6 is attached to the side wall surface of the inner cavity of the outer shell 1, the sealing effect is better, the sealing performance between the static piece 201 and the outer shell 1 is improved, and the service life of the outer shell 1 is ensured. The whole structure is simple, the sealing performance is good, the corrosion of inflow water is not easy, and the service life is long.

As shown in fig. 2, in the present embodiment, the seal ring 6 includes a first end face for abutting contact with the end face of the stationary blade 201 and a second end face for abutting contact with the ring surface of the overhanging step 104. The first end face and the second end face form a group of opposite clamping faces. The sealing ring 6 further comprises an outer side surface for contacting the inner cavity side wall surface of the outer housing 1, and an inner ring surface for contacting the inlet water fluid to bear the water flow pressure and radially press the sealing ring 6 on the inner cavity side wall surface of the outer housing 1 by the water flow pressure. The outer side surface and the inner ring surface form a group of unidirectional stress surfaces from inside to outside. The static piece 201 is pressed on the overhanging step 104 of the outer shell 1 through the sealing ring 6 to form sealing between the static piece 201 and the outer shell 1, and the sealing ring 6 is clamped between the static piece 201 and the overhanging step 104, so that the structural stability of the sealing ring 6 can be ensured; the sealing ring 6 is attached in three directions, only the inner ring surface bears the water pressure of water flow, and the sealing ring is not easy to be corroded by the water flow; along with the increase of water pressure of water flow and acting on the inner ring surface of the sealing ring 6, the tighter the sealing ring 6 is attached to the side wall surface of the inner cavity of the outer shell 1, the better the sealing effect is, so that the sealing performance between the static piece 201 and the outer shell 1 is improved, and the service life of the sealing ring 6 is ensured. The whole structure is simple, the sealing performance is good, the corrosion of inflow water is not easy, and the service life is long. Alternatively, the stationary blade 201 may be constructed separately from the outer case 1. Optionally, the outside surface of the sealing ring 6 is tapered to ensure that the sealing ring 6 can be assembled in place, preventing water leakage caused by assembly deflection. Optionally, the inner ring surface of the sealing ring 6 is a conical wall surface, so that the inner ring surface is forced by water flow force to press the outer side surface against the side wall surface of the inner cavity of the outer shell 1, thereby forming a pressing seal. Optionally, the first end surface extends along radial direction to the periphery to form an annular outer edge for propping against the side wall surface of the inner cavity of the outer shell 1 along radial direction and being arranged at intervals with the corresponding overhanging step surface of the inner cavity of the outer shell 1 so as to form axial movement limit. The contact surface between the first end surface and the static plate 201 can be improved, the waterproof effect of the joint surface can be improved, meanwhile, the downward pressure of the static plate 201 can be uniformly transmitted downwards, and the wall surface pressure is too high to crush the sealing ring 6. Optionally, the sealing ring 6 has an annular outer edge, and a lower cavity exists when the sealing ring is assembled, so that cavity buffering force can be formed, and the upper structure is prevented from directly colliding with the inner wall of the outer shell 1 when the sealing ring is assembled; meanwhile, enough downward pressing space can be formed, so that the pressing force on the annular outer edge during assembly is reduced, and the annular outer edge is effectively prevented from being directly pressed. Optionally, a support ring for supporting the sealing ring 6 to prevent the sealing ring 6 from falling off the inner cavity of the outer housing 1 after being deformed by compression is embedded on the inner ring surface of the sealing ring 6. The support ring is embedded in the inner ring surface along the radial direction to form a structural fault on the inner ring surface along the radial direction and the axial direction, and the structural fault can be used for buffering bidirectional repeated impact generated by a water hammer effect and also can be used for buffering axial pressure changes received by the sealing ring 6; and meanwhile, the axial deformation and the radial deformation of the sealing ring 6 are limited, so that the phenomenon that the sealing ring 6 falls off due to overlarge deformation is avoided, and the stability of the whole structure is ensured. Alternatively, the sealing ring 6 and/or the support ring may be a silicone ring or a rubber ring. The cross section of the support ring is one of L-shaped, T-shaped and U-shaped. The support rings with different structural forms can be selected according to the requirements to meet the use requirements. The L-shaped support ring constitutes a one-way stop limit for the axial limitation of the sealing ring 6 and the inner annular surface. The T-shaped support ring constitutes a two-way stop limit for the sealing collar 6 in axial direction and for the inner annular surface. The U-shaped support ring constitutes an integral barrier restriction to the double-part axial restriction of the sealing ring 6 and to the inner annular surface. The support ring comprises an embedding part used for being embedded in the inner annular wall body and an attaching part attached to the surface of the inner annular surface. Alternatively, one end of the attaching portion facing the first end face abuts against the end face of the static plate 201. Optionally, a space is left between the end of the attaching portion facing the first end surface and the static plate 201. Is embedded in the groove on the surface of the inner annular surface by the embedded part so as to limit the axial deformation of the sealing ring 6 and realize the axial buffering function. Is attached to the inner annular surface by attachment portions to limit radial deformation of the seal ring 6 and to cushion radial forces. A sealing water stop ring for buffering the top-resisting force and sealing water by compression deformation in the process of propping contact is arranged on the first end surface of the sealing ring 6 and/or the second end surface of the sealing ring 6; and/or the second end surface is provided with a embedding convex ring which is used for being embedded and fixed in the overhanging step 104 in the inner cavity of the outer shell 1 to form a sealing ring. The cross section of the embedded convex ring is at least one of rectangle, cone, triangle and U. Different embedded convex ring cross-sectional shapes can be selected according to the needs, and the surface cone shape can facilitate the structure to be assembled in place. Alternatively, the inner annular surface of the sealing ring 6 may be a vertical plane, an inclined plane or a concave cambered surface. By adopting the vertical plane, a vertical channel is formed, the acting force of the passing water flow and the vertical plane is reduced, and the influence of the water flow on the sealing ring 6 is reduced. Optionally, the inclined plane is inwards inclined towards the water inlet direction, so that impact force influence of passing water flow on the inclined plane can be avoided, meanwhile, a water inlet flaring can be formed, and the water inlet quantity can be increased. Optionally, the inclined surface is inclined inwards towards the water outlet direction, and the water flow impact force is utilized to form radial outward acting force, so that the sealing ring 6 is tightly attached to the inner side wall surface of the outer shell 1, and the tightness is improved; the greater the water flow and pressure, the tighter the seal ring 6 will fit, and the better the seal. Optionally, the outer edge of the sealing ring 6 extends in the axial direction and wraps around the outer side wall of the static plate 201, forming a sealing layer and a buffer layer clamped between the static plate 201 and the inner side wall surface of the outer housing 1. Alternatively, the support ring may be embedded in the inner annular wall surface. Optionally, the support ring is wrapped in the wall of the sealing ring 6, and the sealing ring 6 forms a composite structure with the support ring.

As shown in fig. 1 and 2, in this embodiment, at least two layers of positioning rings 7 are disposed between the valve stem 204 and the inner wall of the fastener 203, and are arranged in a ring shape along the circumferential direction, and are used for limiting the axial movement and the radial movement of the valve stem 204 so as to ensure the stability of circumferential rotation adjustment of the valve stem 204. The valve rod 204 is ensured not to deviate from the rotation center shaft by the positioning ring 7, and meanwhile, the moving plate 202 rotates along with the valve rod 204, and meanwhile, the valve rod 204 ensures not to deviate from the rotation center shaft of the moving plate 202, so that the rotation adjustment precision of the moving plate 202 and the static plate 201 and the dynamic sealing stability of the positions of the upper end face and the lower end face of the moving plate 202 are ensured. Optionally, the positioning ring 7 is fastened in a first positioning groove formed on the outer surface of the valve rod 204 and/or the positioning ring 7 is fastened in a second positioning groove formed on the wall of the through hole 2034 of the fastener 203. The setting positions and the setting number of the positioning rings 7 can be flexibly selected according to the length of the valve rod 204, so that the relative stability between the valve rod 204 and the fastening piece 203 is ensured, the valve rod 204 is ensured to have circumferential rotation movement only, and the friction collision between the valve rod 204 and peripheral components is avoided. When the first positioning groove and the second positioning groove are arranged at the corner part, the fastener 203, the valve rod 204 and the moving plate 202 form triangular sealing fit, so that the sealing performance of the joint part is effectively provided; and meanwhile, the rotation stability of the valve rod 204 can be improved, and deflection of the valve rod 204 can be effectively avoided. Optionally, the first positioning groove and/or the second positioning groove adopts at least one of a semicircular groove, a U-shaped groove, a V-shaped groove and a dovetail groove. Optionally, the first positioning groove and/or the second positioning groove adopts a narrow-mouth groove with a narrow outside and a wide inside.

As shown in fig. 1, 2 and 3, in the present embodiment, the fastener 203 includes a sealing cover 2031 for sealing the fitting opening 103. A seal portion 2032 is provided at the lower portion of the seal cover 2031, and is adapted to be in close sealing contact with the movable piece 202 to seal the valve stem 204 in a cavity defined by the fastener 203 and the movable piece 202, and to be fastened to the fitting opening 103. An urging portion 2033 for urging when the seal portion 2032 is connected to the fitting port 103 of the outer casing 1 is provided at an upper portion of the seal cover 2031. A through hole 2034 for sealing and assembling the valve stem 204 is formed in the middle of the fastener 203 in the axial direction. The valve rod 204 is assembled in the through hole 2034 of the fastener 203, and the force application part 2033 is applied to realize the fastening connection assembly of the sealing part 2032 and the tight contact sealing cover between the sealing cover 2031 and the end surface of the outer casing 1; the end face of the sealing part 2032 is pressed against the moving plate 202 to ensure the structural stability of the static plate 201 and the moving plate 202 in the inner cavity of the outer shell 1; the valve rod 204 is connected to the inner cavity of the movable plate 202, the passage cooperation between the movable plate 202 and the static plate 201 can be realized by twisting the valve rod 204, the water flow control is realized, the whole structure has few accessories, and the assembly is simple. The traditional valve core control mechanism is changed, the moving plate 202 and the static plate 201 are propped against the inner cavity of the outer shell 1 in sequence by directly adopting the fastener 203 and seal the assembly port of the outer shell 1, and the water flow on-off in the inner cavity of the outer shell 1 is realized by utilizing the rotating fit of the moving plate 202 and the static plate 201 which are directly arranged in the inner cavity of the outer shell 1. Alternatively, the whole structure of the fastener 203 adopts an injection molding integral structure, and the structure is simple and the stability is good. The static seal between the fastening piece 203 and the outer shell 1 and the dynamic seal between the fastening piece 203 and the valve rod 204 are directly made, so that the sealing of the assembly port of the outer shell 1 can be realized, and the service life of the faucet is obviously prolonged. Optionally, at least one group of force planes for relatively distributing the force are formed on the outer wall surface of the force application part 2033; and/or the outer contour shape of the radial cross section of the urging portion 2033 is one of triangle, quadrangle, pentagon, and hexagon. The external structure of the force applying portion 2033 may be selected as needed to facilitate the force applying assembly of the fastener 203, and is suitable for assembly of various parts. Optionally, the outer surface of the sealing portion 2032 is provided with a clamping member, a fitting member, or an elastic tie member for clamping. Alternatively, the sealing portion 2032 is heat-welded to the inner wall of the fitting port of the outer casing 1. Alternatively, a water seal or an oil seal for blocking water flow and preventing water flow between the fastening member 203 and the outer case 1 is provided between the sealing portion 2032 and the sealing cover 2031. By arranging a water seal or an oil seal between the sealing part 2032 and the sealing cover 2031, or by utilizing the structure between the sealing part 2032 and the sealing cover 2031 to form the water seal or the oil seal, the connecting section of the sealing part 2032, the sealing water stop ring formed by the water seal or the oil seal and the fitting seal between the sealing cover 2031 and the end face of the outer shell 1 form a multi-layer seal, and the fastening piece 203 is in static fastening fit with the outer shell 1, so that the tightness of the connecting part of the fastening piece 203 and the outer shell 1 can be completely ensured, and the sealing service life is at least ten times higher than that of the existing valve core water valve. Optionally, an external thread is provided on the surface of the sealing portion 2032, and the sealing portion 2032 is engaged with the external casing 1 by the external thread, and a non-return groove for preventing reverse loosening after the thread engagement is provided on the external thread. The connection stability between the fastener 203 and the outer shell 1 is guaranteed, the structural stability of the multilayer static seal is guaranteed, water leakage is avoided, fatigue damage of the sealing part is avoided, and the service life of the sealing water valve is effectively prolonged. Optionally, the outer corners of the fasteners 203 are each configured with an arcuate angle to prevent collision injury or breakage with the perimeter. Optionally, the internal corners of the fasteners 203 are each provided with a chamfer or arc to prevent collision damage to each other during assembly; meanwhile, a guide structure in assembly is formed, the assembly part is guided to be introduced into the assembly position, the assembly efficiency is improved, and the assembly precision is improved. Alternatively, the axial length of the fastener 203 is 5mm to 20mm.

As shown in fig. 1,2 and 3, in this embodiment, the fastening member 203 is fastened to the outer housing 1, and a sealing mechanism 8 is disposed between the fastening member 203 and the inner cavity of the outer housing 1. Thereby achieving the fastening action of the fastening member 203 and the sealing action of the position of the fitting opening 103. Optionally, the sealing mechanism 8 adopts at least one of a sealing ring, a sealing engagement thread, a water stop bar, a water stop groove, a water seal and an oil seal. The sealing structure between the fastener 203 and the outer housing 1 can be selected according to the need, and the complete sealing of the connecting part can be distinguished while the connecting stability is ensured, so that the water in the inner cavity of the outer housing 1 can be effectively prevented from leaking outwards.

As shown in fig. 1, 2, 4 and 5, in this embodiment, at least one fixed fluid channel penetrating in the axial direction is formed on the static plate 201. The fixed fluid passage is provided as a flare 2012 having a large outside and a small inside toward the outside of the outer housing 1. The stationary fluid passageway is oriented toward the rotor plate 202 to provide a mating opening 2013 sized to mate with the rotary sealing surface of the rotor plate 202. The stationary plate 201 has a regulating surface for a tight sealing engagement with the moving plate 202 and for a surface contact running engagement to close the fluid channel or form a flow channel of different radial dimensions, and a sealing surface for a pressure sealing engagement with the surface of the sealing ring 6. When the moving plate 202 rotates and the movable flow channel on the moving plate 202 is communicated with the fixed fluid channel of the static plate 201, the opening of the flow channel is realized, and water flow can flow freely; when the rotor plate 202 rotates such that the rotary seal face obstructs the stationary fluid passageway, the flow passage is closed. The fixed fluid passage is provided as a flare 2012 having a large outside and a small inside toward the outside of the outer housing 1. The water flow passes through the flare 2012 to realize fluid convergence, and when the fluid channel is opened, the water yield of the fluid can be increased; the flare 2012 is not easy to hold and accumulate solid particles in the water body, and meanwhile, flowing water can continuously wash out the fixed fluid channel by opening the fluid channel, so that the fixed fluid channel is prevented from being blocked, and the smoothness of the fixed fluid channel is ensured. The stationary fluid passageway is oriented toward the rotor plate 202 to provide a mating opening 2013 sized to mate with the rotary seal face on the rotor plate 202. The rotary adjustment coordination of the fluid channel between the static piece 201 and the moving piece 202 is convenient, and the water flow opening and closing control and the water flow control are convenient. Optionally, a water stop ring groove or a water stop ring strip for radially retaining water and stopping water when the adjusting surface is in surface contact with the moving plate 202 is arranged on the adjusting surface; and/or the adjusting surface is provided with a plurality of liquid storage holes for containing fluid and forming a fluid sealing film on the rotating matching surface of the static plate 201 and the moving plate 202 by using the contained fluid, and the liquid storage holes are distributed on the rotating track of the rotating sealing piece of the moving plate 202. Sealing water film can be generated between the adjusting surface and the moving plate 202 to realize sealing of the joint surface and reduce friction force of the joint surface, so that the moving plate 202 can be adjusted more smoothly in a rotating way, and the sealing water film can be effectively blocked from extending outwards through the water stop ring groove or the water stop ring strip, thereby avoiding fluid leakage. The liquid storage hole is used for storing fluid and drives the fluid in the liquid storage hole to move along the circumferential direction along with the rotation of the moving plate 202, so that the friction force between the adjusting surface and the moving plate 202 is reduced, the moving plate 202 rotates more smoothly, a sealing water film is formed to prevent the fluid from passing through, and the sealing performance of the combining surface is improved. Optionally, the moving plate 202 is provided with a plurality of movable circulation channels and a plurality of sealing blocks for sealing the fixed circulation channels on the static plate 201, and the movable circulation channels and the sealing blocks are arranged at intervals. Alternatively, a fixed flow channel of stationary plate 201 is also provided in matching relation with a movable flow channel of moving plate 202. Optionally, a sealing block of the moving plate 202 is simultaneously matched with a plurality of fixed flow channels of the static plate 201. Optionally, the plurality of movable communication channels of the movable plate 202 are communicated with the same water flow output port of the outer casing 1, or the plurality of movable communication channels of the movable plate 202 are respectively communicated with different water flow output ports of the outer casing 1. Optionally, the multiple fixed flow channels of the static plate 201 are connected to the same water flow inlet of the outer casing 1, or the multiple fixed flow channels of the static plate 201 are respectively connected to different water flow inlets of the outer casing 1. Alternatively, the axial height of the rotor 202 is 2mm to 30mm; the radial diameter is 5 mm-30 mm. Alternatively, the axial height of the static plate 201 is 2 mm-30 mm; the radial diameter is 5 mm-30 mm.

As shown in fig. 1,2 and 6, in this embodiment, the moving plate 202 includes a sealing section 2021 for pressing and fitting contact with the fastener 203 to close the cavity in which the valve stem 204 is located and is connected to the valve stem 204 to rotate with the valve stem 204, and an adjusting section 2022 for pressing and fitting and sealing contact with the static plate 201 and forming fluid passages of different radial dimensions through rotational fit. The end face shape of the adjustment section 2022 matches the shape of the mating opening 2013 on the stationary blade 201. The corner of the adjusting section 2022 and/or the corner between the adjusting section 2022 and the sealing section 2021 is provided with an inclined strut structure 2023 for increasing the strength of the wall body, and the outer side wall surface of the moving plate 202 is provided with a limiting piece 2024 for being matched with the wall body of the inner cavity of the outer shell 1 to limit the circumferential rotation range of the moving plate 202. At least one of threaded connection, plugging, clamping, sleeving, embedding, hot-melt welding and bonding is adopted between the moving plate 202 and the valve rod 204. Different connection modes can be selected according to the requirements and the structural size of the sealing water valve, so that the connection stability between the moving plate 202 and the valve rod 204 is ensured, and the accurate adjustment and control of the water flow rate can be realized through the valve rod 204. Optionally, a locking structure for preventing the valve rod 204 and the moving plate 202 from being released from each other is further provided at the connection position. Alternatively, the threaded connection between the valve stem 204 and the moving plate 202 is prevented from being released by the provision of a non-return groove. The valve rod 204 is connected with the moving plate 202 through a plug connection, and the plug connection is prevented from loosening through a buckle, a non-return bulge and the like. The valve rod 204 is connected with the moving plate 202 through a clamping connection, and the clamping connection is prevented from loosening through a non-return buckle. The valve rod 204 is connected with the moving plate 202 through a sleeve joint, and the sleeve joint is prevented from loosening through a buckle, a non-return bulge and the like. The valve rod 204 is fixedly connected with the moving plate 202 through embedding, and the embedding is prevented from loosening through interference fit. The valve rod 204 and the moving plate 202 are connected through hot melt welding or bonding, and the hot melt welding or bonding is prevented from loosening through a non-return bulge, a non-return buckle or a non-return thread.

In this embodiment, at least one of the outer casing 1, the stationary plate 201, the moving plate 202, the fastener 203, the valve rod 204, and the rotation driving mechanism 3 is an integrally injection molded integral piece, and the integral piece is a ceramic body, a glass body, a plastic body, or a metal body. The glass body is formed by injection molding of high-strength toughened heat-resistant glass, so that the internal structure of the outer shell can be checked, the appearance is attractive, and corrosion resistance can be realized; the problems of ageing of the plastic shell structure and pollution of the introduced fluid are avoided, and the environment-friendly, healthy and safe environment-friendly plastic shell structure is realized. The plastic body can be made of high-strength plastic, has a light structure and is low in price; when the plastic is used for industrial application and not used for drinking, the plastic can also be made of waste plastic for molding. The metal body has good texture, beautiful appearance and firmness; is suitable for use in environment with low corrosiveness. The ceramic body has the characteristics of slow heat transfer and uniform heat transfer, and is not easy to cause burning sensation outside even if boiled water is introduced, and is not easy to cause scalding; the problem of fluid pollution caused by ageing of the plastic shell structure and the introduced fluid is avoided, and the environment-friendly, healthy and safe effects are realized; can resist high temperature and corrosion, and has beautiful appearance.

In practice, there is provided a faucet in which a seal ring 6, a stationary plate 201, a movable plate 202, and a fastener 203 having a stem fitted thereto are fitted in this order into a fitting opening 103 in an inner cavity of an outer housing 1. With stationary plate 201, moving plate 202 and valve stem 204 assembled in place. The static piece 201 is fixedly positioned in the inner cavity of the outer shell 1 through a circumferential positioning piece 2011, and the circumferential movement and the radial movement of the static piece 201 are limited through the circumferential positioning piece 2011. The moving plate 202 is assembled in a limit groove in the inner cavity of the outer shell 1 through a limit piece 2024. The end of the valve stem 204 is inserted or threaded into a connecting slot of the rotor plate 202. Compression is assembled by fasteners 203 to limit the axial position of the moving and stationary plates 202, 201 and radial movement of the moving plate 202 is limited by a valve stem 204. The static piece 201 is supported by the sealing ring 6, and according to the tiny change of the arrangement direction of the lower surface of the moving piece 202 caused by the pressing surface of the fastener 203 pressed down by the upper fastening and the bonding of the moving piece 202, the elastic supporting function of the sealing ring 6 automatically adapts to the tiny change of the moving piece 202 and coordinates and corrects the arrangement state of the upper surface of the static piece 201 in time, so that the fastener 203 and the moving piece 202 always keep surface bonding and close fit and the static piece 201 and the moving piece 202 always keep surface bonding and close fit, and the sealing effect of dynamic sealing of the upper surface and the lower surface of the moving piece 202 is ensured. After friction and wear occur between the fastener 203 and the moving plate 202 and between the static plate 201 and the moving plate 202 through long-time running fit, the elastic supporting function of the sealing ring 6 is utilized to force the moving plate 202 to be attached to the lower surface of the fastener 203 and the static plate 201 to be attached to the surface of the moving plate 202 all the time, so that the dynamic sealing compaction joint surfaces on the upper surface and the lower surface of the moving plate 202 are not separated along with the problems of manufacturing precision, stable assembly precision, use wear and the like between the static plate 201 and the moving plate 202 and between the moving plate 202 and the fastener 203, the stability and the sealing performance of dynamic sealing are ensured, and the service life of the dynamic sealing is prolonged. The driving mechanism 3 is then assembled, thus forming a complete tap.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A faucet comprises an outer shell (1),

The outer shell (1) is provided with a water inlet connecting pipe orifice (101), a water outlet (102) and an assembling port (103),

The assembly port (103) is communicated with a flow passage between the water inlet connecting pipe orifice (101) and the water outlet (102),

The assembly port (103) is provided with a control mechanism (2) for adjusting and controlling the water flow flowing from the water inlet connecting pipe orifice (101) to the water outlet (102),

It is characterized in that the method comprises the steps of,

The control mechanism (2) comprises a static plate (201) which is arranged at the bottom end of an inner cavity of the assembly port (103) and is covered on a circulation channel between the water inlet connecting pipe orifice (101) and the water outlet (102) and used for forming a fixed circulation channel, a movable plate (202) which is covered on the static plate (201) and used for forming a movable circulation channel and is in rotary fit with the fixed circulation channel of the static plate (201) so as to form circulation channels with different radial dimensions to control water flow, a fastening piece (203) which is covered on the movable plate (202) and used for sealing the assembly port (103) and axially fixing the movable plate (202) and the static plate (201), and a valve rod (204) which is positioned in a surrounding cavity of the fastening piece (203) and the movable plate (202) and is connected with the movable plate (202) and used for controlling the movable plate (202) to rotate to regulate and limit radial movement of the movable plate (202),

A driving mechanism (3) for driving the valve rod (204) to rotate is arranged on the overhanging end of the valve rod (204);

The sealing ring (6), the static piece (201), the moving piece (202) and the fastener (203) sleeved with the valve rod are sequentially assembled in the assembly opening (103) of the inner cavity of the outer shell (1), a supporting ring for supporting the sealing ring (6) to prevent the sealing ring (6) from falling off the inner cavity of the outer shell (1) after being pressed and deformed is fixedly arranged on the inner annular surface of the sealing ring (6), the static piece (201) is supported by the sealing ring (6), and the elastic supporting function of the sealing ring (6) automatically adapts to the tiny change of the lower surface of the moving piece (202) and timely coordinates and corrects the arrangement state of the upper surface of the static piece (201) according to the tiny change of the lower surface of the moving piece (202) caused by the pressing surface of the fastener (203) pressed and pressed down by the upper fastening, so that the fastener (203) is always kept in surface-bonding close fit with the moving piece (202) and the static piece (201) is always kept in surface-bonding close fit, and the sealing effect of dynamic sealing of the upper surface and lower surface of the moving piece (202) is ensured;

The support ring is embedded in the inner ring surface along the radial direction to form a structural fault on the inner ring surface along the radial direction and the axial direction, and the structural fault can be used for buffering bidirectional repeated impact generated by a water hammer effect and also can be used for buffering axial pressure change received by the sealing ring (6); meanwhile, the axial deformation and the radial deformation of the sealing ring (6) are limited, and the phenomenon that the sealing ring (6) falls off due to overlarge deformation is avoided, so that the stability of the whole structure is ensured;

The outward extending end of the valve rod (204) facing the outside of the outer shell (1) is provided with a connecting structure for assembling the driving mechanism (3), and the connecting structure is at least one of a threaded hole and a buckle.

2. The faucet of claim 1, wherein the faucet is configured to be mounted to a faucet body,

The static piece (201) is covered on the circulation channel of the water outlet (102), or

The static piece (201) is covered on the circulation channel of the water inlet connecting pipe orifice (101).

3. The faucet of claim 1, wherein the faucet is configured to be mounted to a faucet body,

A circle of overhanging steps (104) overhanging inwards in the radial direction are arranged on the inner wall surface of the outer shell (1);

The static piece (201) is pressed on the ring surface of the overhanging step (104) through a sealing ring (6) used for sealing between the static piece (201) and the outer shell (1) and buffering the upper compaction force,

The sealing ring (6) is clamped between the static piece (201) and the overhanging step (104) and is abutted against the side wall surface of the inner cavity of the outer shell (1);

The outer side wall of the static piece (201) is also provided with a circumferential positioning piece (2011) for circumferentially fixing and positioning the static piece (201) in the inner cavity of the outer shell (1).

4. The faucet of claim 3, wherein the water faucet is configured to be mounted on a faucet body,

The sealing ring (6) comprises a first end surface for abutting contact with the end surface of the static piece (201) and a second end surface for abutting contact with the ring surface of the overhanging step (104),

The first end face and the second end face form a group of opposite clamping faces;

the sealing ring (6) also comprises an outer side surface used for being contacted with the side wall surface of the inner cavity of the outer shell (1) and an inner ring surface used for being contacted with the inflow fluid to bear the water flow pressure and radially pressing the sealing ring (6) on the side wall surface of the inner cavity of the outer shell (1) through the water flow pressure,

The outer side surface and the inner ring surface form a group of unidirectional stress surfaces from inside to outside.

5. The faucet of claim 1, wherein the faucet is configured to be mounted to a faucet body,

At least two layers of positioning rings (7) which are arranged in a ring shape along the circumferential direction and used for limiting the axial movement and the radial movement of the valve rod (204) so as to ensure the circumferential rotation adjustment stability of the valve rod (204) are arranged between the valve rod (204) and the inner wall of the fastener (203).

6. The faucet of claim 1, wherein the faucet is configured to be mounted to a faucet body,

The fastener (203) includes a sealing cover (2031) for sealing the fitting opening (103),

A sealing part (2032) which is used for tightly and hermetically contacting with the moving plate (202) to seal the valve rod (204) in a cavity formed by enclosing the fastener (203) and the moving plate (202) and is tightly connected with the assembly opening (103) is arranged at the lower part of the sealing cover (2031),

An urging portion (2033) for urging when the sealing portion (2032) is connected to the fitting opening (103) of the outer casing (1) is provided at the upper portion of the sealing cover (2031),

The middle part of the fastener (203) is provided with a through hole (2034) for sealing and assembling the valve rod (204) along the axial direction.

7. The faucet of claim 6, wherein the faucet is configured to be mounted to a faucet body,

The fastening piece (203) is in fastening connection with the outer shell (1),

A sealing mechanism (8) is arranged between the fastening piece (203) and the inner cavity of the outer shell (1).

8. The faucet of claim 3, wherein the water faucet is configured to be mounted on a faucet body,

The static piece (201) is provided with at least one fixed fluid channel which is penetrated along the axial direction, the fixed fluid channel is arranged to be a horn mouth (2012) with a large outer side and a small inner side towards the outer side of the outer shell (1), the fixed fluid channel is arranged to be a matching port (2013) which is matched with the rotary sealing surface of the moving piece (202) in size towards the moving piece (202), and the static piece (201) is provided with an adjusting surface which is used for being tightly matched with the moving piece (202) in a sealing way and is in surface contact and rotating fit to seal the fluid channel or form circulation channels with different radial sizes, and a sealing surface which is used for being tightly matched with the surface of the sealing ring (6); and/or

The movable piece (202) comprises a sealing section (2021) used for being in pressing fit contact with the fastener (203) to seal a cavity where the valve rod (204) is located and being connected with the valve rod (204) to rotate along with the valve rod (204), and an adjusting section (2022) used for being in pressing fit seal contact with the static piece (201) and being in rotating fit to form fluid channels with different radial dimensions, the end face shape of the adjusting section (2022) is matched with the shape of a matching opening (2013) on the static piece (201), a diagonal bracing structure (2023) used for increasing wall strength is arranged at a corner part of the adjusting section (2022) and/or a corner part between the adjusting section (2022) and the sealing section (2021), and a limiting piece (2024) used for being matched with the inner cavity wall of the outer shell (1) to limit the circumferential rotation range of the movable piece (202) is arranged on the outer side wall surface; at least one of threaded connection, plug connection, clamping connection, sleeve connection, embedding, hot-melt welding and bonding is adopted between the moving plate (202) and the valve rod (204).

9. The faucet of claim 1, wherein the faucet is configured to be mounted to a faucet body,

At least one of the outer shell (1), the static plate (201), the moving plate (202), the fastener (203), the valve rod (204) and the driving mechanism (3) adopts an integral injection molding integral piece,

The integral piece is a ceramic body, a glass body, a plastic body or a metal body.