CN207299548U - Water heater - Google Patents

Abstract

The utility model discloses a water heater, which comprises: an inner tank with a sewage outlet, a first connecting head extending downward is installed at the sewage outlet; a sewage valve, the sewage valve is installed on the inner tank and communicated with the sewage outlet to form a water outlet passage , The sewage valve includes: a valve body, the valve body defines a valve cavity with an inlet and an outlet; The water inlet channel is used to communicate with the valve cavity and the inner tank. The outer peripheral surface of the pipe body is formed with a first flange. The upper surface of the first flange is provided with a gasket, and the upper surface of the gasket is not low. On the upper end surface of the pipe body; the second connector, the second connector has an abutting portion, the abutting portion abuts against the lower surface of the first flange, and the second connector extends upward to cooperate with the first connector , wherein the lower end surface of the first connector is crimped to the gasket. The water heater according to the embodiment of the utility model has good sewage discharge effect.

Description

water heater

technical field

The utility model relates to the field of household appliances, in particular to a water heater.

Background technique

For the water heater in the related art, referring to Figure 1 and Figure 2, a first connector 11 extending downward is installed at the drain outlet of the inner tank 1, and the drain valve is installed on the inner tank 1 and communicated with the drain outlet to form a water outlet channel, and the drain The valve includes: a valve body 21 , a valve core 22 , a magnesium rod seat 23 and a second connecting head 24 . Wherein, the valve body 21 defines a valve chamber having an inlet and an outlet. The valve core 22 is installed in the valve chamber for conducting or disconnecting the water outlet passage. The magnesium rod seat 23 has a tube body 231, which is connected to the inlet of the valve body 21, and the tube body 231 is formed with a water inlet channel, which is used to communicate with the valve cavity and the inner tank 1, and the tube body 231 A first flange 2311 is formed on the outer peripheral surface of the first flange 2311 . A gasket 26 is provided on the upper surface of the first flange 2311 . The upper surface of the gasket 26 is lower than the upper end surface of the tube body 231 . The second connecting head 24 has an abutting portion 241, and the abutting portion 241 abuts against the lower surface of the first flange 2311. In this way, the inner surface of the first connecting head 11, the outer surface of the tube body portion 231 and the gasket An installation space 25 for inserting the first connector 11 is defined between the upper surfaces of 26. This installation space 25 is extremely easy to store dirt and resist dirt, and becomes a dead spot for sewage, so that the water heater 100 is not cleaned thoroughly.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems at least to a certain extent.

For this reason, the utility model proposes a kind of water heater, and the blowdown effect of this water heater is good

The water heater according to the embodiment of the utility model includes: an inner tank with a sewage outlet, the first connector extending downward is installed at the sewage outlet; a sewage valve, the sewage valve is installed on the inner tank and connected with the sewage outlet The drain valve includes: a valve body, which defines a valve cavity with an inlet and an outlet; a valve core, which is installed in the valve cavity for conducting or disconnecting Water outlet channel; magnesium rod seat, the magnesium rod seat has a pipe body, the pipe body is connected to the inlet of the valve body, the pipe body is formed with a water inlet channel, and the water inlet channel is used to communicate with the valve cavity and Inner tank, the outer peripheral surface of the tube body is formed with a first flange, the upper surface of the first flange is provided with a gasket, and the upper surface of the gasket is not lower than the upper end surface of the tube body; The second connector, the second connector has an abutment portion, and the abutment portion abuts against the lower surface of the first flange, and the second connector extends upwards to cooperate with the first connector, wherein the first The lower end surface of the connector is crimped to the sealing gasket.

According to the water heater of the embodiment of the utility model, the first connecting head and the second connecting head are connected to each other, the second connecting head abuts against the lower surface of the first flange, and the upper surface of the gasket is not lower than that of the pipe body. The upper end surface, so that the sewage valve is firmly installed on the inner tank, and the water outlet channel has no dead space for sewage discharge, which improves the sewage discharge effect of the water heater.

In addition, the water heater according to the embodiment of the utility model may also have the following additional technical features:

According to an embodiment of the present invention, the upper end wall of the pipe body is connected to the inner wall through a connecting wall, and the connecting wall is a plane wall.

According to an embodiment of the present invention, the upper end wall and the inner wall of the pipe body are connected by a connecting wall, and the connecting wall is an arc wall.

According to an embodiment of the present invention, the first connector has a first external thread, and the second connector has a first internal thread matched with the first external thread.

According to an embodiment of the present utility model, the second connector is a hex nut.

According to an embodiment of the present invention, the valve body is provided with an inlet pipe, and the pipe body extends into the inlet pipe.

According to an embodiment of the present utility model, the pipe body part is further provided with a second flange, and the second flange is located on the lower surface of the first flange and is in contact with the upper end face of the inlet pipe, wherein, The outer diameter of the first flange is larger than the outer diameter of the second flange, and the outer diameter of the second flange is the same as the outer diameter of the inlet pipe.

According to an embodiment of the utility model, the upper end of the inlet pipe is recessed downward to form a groove, and a sealing ring is arranged in the groove.

According to an embodiment of the present utility model, the inlet pipe is provided with a second internal thread, and the pipe body is provided with a second external thread matched with the second internal thread.

According to an embodiment of the present invention, the helical directions of the first internal thread of the second connector and the second internal thread of the inlet pipe are opposite.

According to an embodiment of the present utility model, the first connecting head is formed with a tapered port, and the diameter of the tapered port gradually decreases along the water flow direction.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a sectional view of a water heater in the prior art;

Fig. 2 is the enlarged view of place A in Fig. 1;

Fig. 3 is a cross-sectional view of a water heater according to some embodiments of the present invention;

Fig. 4 is a partial sectional view of a water heater according to some embodiments of the present invention;

Fig. 5 is a partial sectional view of a water heater according to another embodiment of the present invention;

Fig. 6 is a partial sectional view of a water heater according to another embodiment of the present invention;

Fig. 7 is a perspective view of a magnesium rod seat according to some embodiments of the present invention;

Fig. 8 is a perspective view of magnesium rod holders according to other embodiments of the present invention.

Reference signs:

A water heater 100 of the prior art;

Inner tank 1; first connector 11;

valve body 21;

Spool 202;

Magnesium rod seat 23; tube body 231; first flange 2311;

The second connecting head 24; the abutting portion 241;

Installation space 25;

Gasket 26;

The water heater 200 of the present utility model;

Inner tank 10; first connector 101; tapered opening 1011;

Drain valve 20;

Valve body 201; inlet pipe 2011;

Valve cavity 202;

Magnesium rod seat 203; tube body 2031; first flange 2032; upper end wall 20321; inner wall 20322; plane wall 20323; arc wall 20324; second flange 2033;

The second connection head 204; the abutment part 2041;

Gasket 205;

Seal ring 206.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The water heater 200 according to the embodiment of the present utility model will be described below with reference to FIGS. 3-8 . The water heater 200 can generally include: an inner tank 10 and a drain valve 20, wherein the inner tank 10 has a drain outlet, and a first connector 101 extending downward is installed at the drain outlet, and the drain valve 20 includes: a valve body 201, a valve core 202, a magnesium rod seat 203 and a second connecting head 204.

Specifically, the valve body 201 defines a valve cavity having an inlet and an outlet. The valve core 202 is installed in the valve chamber for conducting or disconnecting the water outlet passage. That is, the on-off of the water outlet passage is controlled by the valve core 202. When the water heater 200 is in normal use, the valve core 202 disconnects the water outlet passage, and the water in the inner tank 10 cannot be discharged from the drain valve 20; , the spool 202 leads the water outlet passage, and the water in the inner tank 10 is discharged through the drain valve 20 .

As shown in FIG. 3 , the magnesium rod seat 203 is installed on the valve body 201 , and the magnesium rod is installed on the magnesium rod seat 203 and extends into the inner tank 10 . The magnesium rod seat 203 has a tube body 2031 connected to the inlet of the valve body 201 , the tube body 2031 forms a water inlet channel, and the water inlet channel 2034 is used to communicate with the valve cavity and the inner tank 10 .

As shown in FIGS. 4-6 , a first flange 2032 is formed on the outer peripheral surface of the tube body portion 2031, a gasket 205 is provided on the upper surface of the first flange 2032, and the second connector 204 has an abutting portion 2041, The abutting portion 2041 abuts against the lower surface of the first flange 2032 , and the second connecting head 204 extends upwards to cooperate with the first connecting head 101 , wherein the lower end surface of the first connecting head 101 is pressed against the gasket 205 . That is to say, by abutting the second connecting head 204 and the first flange 2032 with each other, and connecting and fitting the first connecting head 101 and the second connecting head 204, the drain valve 20 is installed on the inner tank 10 .

4-6, the upper part of the second connector 204 cooperates with the first connector 101, the lower part of the second connector 204 cooperates with the first flange 2032, and the lower part of the second connector 204 has an inner flange to form The abutting portion 2041 abuts against the first flange 2032 , and the upper surface of the inner flange is attached to the lower surface of the first flange 2032 . One end of the first connecting head 101 is fixed on the inner container 10, and the other end of the first connecting head 101 extends downwards to connect with the upper part of the second connecting head 204, wherein, the lower end surface of the first connecting head 101 is connected to the gasket 205. The upper surface is snugly fitted so as to prevent water seepage from the joint of the first connector 101 and the second connector 204 .

The upper surface of the gasket 205 of the blowdown valve 20 in the embodiment of the present utility model is not lower than the upper end surface of the pipe body 2031 . That is, after the gasket 205 is placed on the upper surface of the first flange 2032, the upper surface of the gasket 205 is higher than the upper surface of the body portion 2031, as shown in Figure 4, or the upper surface of the gasket 205 is in contact with the body portion 2031 The upper end faces are flush, as shown in Figure 5. In other words, the drain valve 20 of the present application does not form an installation space for inserting the first connector 101 between the inner surface of the second connector 204 and the outer surface of the first flange 2032 , and the bottom of the first connector 101 The end surface is higher than the upper end surface of the tube body portion 2031 .

In this way, during the sewage discharge process, the junction of the first connector 101 and the second connector 204 does not form a dead angle of water flow, even if part of the dirt settles on the upper end surface of the pipe body 2031 and the upper surface of the gasket 205, it is very easy. Washed off by water flow.

Therefore, according to the water heater 200 of the embodiment of the present utility model, the first connecting head 101 and the second connecting head 204 are mated and connected to each other, the second connecting head 204 abuts against the lower surface of the first flange 2032, and the gasket 205 The upper surface is not lower than the upper end surface of the pipe body 2031 , so that the sewage valve 20 is firmly installed on the inner tank 10 , and the water outlet channel has no dead spots for sewage, which improves the sewage discharge effect of the water heater 200 .

In some embodiments of the present invention, as shown in FIG. 4 and FIG. 5 combined with FIG. 7 , the upper end wall 20321 and the inner wall 20322 of the pipe body 2031 are connected by a connecting wall, which is a plane wall 20323 . The plane wall 20323 is an inclined wall extending from the upper end wall 20321 to the direction of the inner wall 20322, and the water flow can flow along the plane wall 20323 to the direction of the valve cavity, thereby increasing the sewage discharge speed and reducing the waste remaining on the upper surface of the pipe body 2031 and the gasket 205 dirt.

In some other embodiments, as shown in FIG. 6 in combination with FIG. 8 , the upper end wall 20321 of the tube body 2031 is connected to the inner wall 20322 through a connecting wall, and the connecting wall is an arc wall 20324 . The curved wall 20324 is a downward slope, that is, a circle of downward slope is formed at the entrance of the water inlet channel 2034 of the pipe body 2031 to guide the water flow downward, thereby increasing the sewage discharge speed and reducing the stay in the pipe body 2031 and the gasket 205 Dirt on the upper surface.

In some other embodiments of the present utility model, the first connector 101 has a first external thread, and the second connector 204 has a first internal thread matched with the first external thread. That is, the first connecting head 101 and the second connecting head 204 are mated and connected by threads, thereby improving the installation efficiency of the blowdown valve 20 and facilitating the installation and disassembly of the blowdown valve 20 .

In an optional embodiment, the second connector 204 may be a hex nut. Thus, the second connection head 204 can be screwed onto the first connection head 101 by using a hexagonal wrench, thereby further improving the installation efficiency of the drain valve 20 .

In other embodiments of the present invention, as shown in Fig. 4-6, the valve body 201 is provided with an inlet pipe 2011, and the pipe body 2031 extends into the inlet pipe 2011. In this way, the magnesium rod seat 203 can be quickly connected to the valve body 201 to improve the assembly efficiency of the blowdown valve 20 .

In a further optional embodiment, the pipe body 2031 is also provided with a second flange 2033, the second flange 2033 is located on the lower surface of the first flange 2032 and is in contact with the upper end of the inlet pipe 2011, wherein the first flange The outer diameter of the flange 2032 is larger than the outer diameter of the second flange 2033 , and the outer diameter of the second flange 2033 is the same as that of the inlet pipe 2011 . Thereby, the stability of fitting between the tube body portion 2031 and the inlet tube 2011 can be improved.

In some examples, the upper end of the inlet pipe 2011 is recessed downward to form a groove, and the sealing ring 206 is disposed in the groove. Thus, water seepage at the joint is avoided, and the sealing performance between the inlet pipe 2011 and the pipe body 2031 is improved.

In some optional embodiments, the inlet pipe 2011 is provided with a second internal thread, and the pipe body 2031 is provided with a second external thread matched with the second internal thread. That is, the inlet pipe 2011 and the pipe body 2031 are connected by threads, which further improves the assembly efficiency of the blowdown valve 20 .

In a further optional example, the helical directions of the first internal thread of the second connection head 204 and the second internal thread of the inlet pipe 2011 are opposite. For example, the magnesium rod seat 203 is threaded counterclockwise into the inlet pipe 2011, and the second joint 204 is threaded clockwise on the first joint 101, thereby avoiding the magnesium rod when rotating the second joint 204. Seat 203 is unscrewed.

In some other embodiments of the present invention, the first connecting head 101 is formed with a tapered opening 1011 , and the diameter of the tapered port 1011 gradually decreases along the water flow direction. Wherein, the inlet of the tapered opening 1011 is lower than the bottom surface of the inner tank 10, thereby ensuring rapid water discharge and improving water outlet efficiency.

Other configurations and operations of the water heater 200 are understood and easily obtained by those skilled in the art, and will not be repeated here.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inner", "outer", "front", "back" etc. are based on The orientation or positional relationship shown in the accompanying drawings is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood To limit the utility model.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present invention. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose.

Claims (11)

1. A kind of 1. water heater, it is characterised in that including：

   Liner with sewage draining exit, is provided with the first connector extended downwardly at the sewage draining exit；

   Blowdown valve, the blowdown valve are installed on the liner and connect to form out water passage with sewage draining exit,

   The blowdown valve includes：

   Valve body, the valve body limit the valve chamber with inlet and outlet；

   Spool, the spool, which is installed in the valve chamber, is used for the water passage that is turned on or off out；

   Magnesium rod seat, the magnesium rod seat tool have a tube body, the import connection of the tube body and valve body, the tube body formed with into Aquaporin, the intake tunnel are used to connect valve chamber and liner, and formed with the first flange, this is first convex for the outer circumferential surface of the tube body The upper surface of edge is equipped with gasket, and the upper surface of the gasket is not less than the upper surface of the tube body；

   Second connector, the second connector have abutting part, which connects in the lower surface of the first flange, described second Connector is upwardly extended to be connected with first connector, wherein the lower face of the first connector is crimped on the gasket.
2. 2. water heater according to claim 1, it is characterised in that pass through one between the upper end wall and inner wall of the tube body Connection wall connects, which is a planar wall.
3. 3. water heater according to claim 1, it is characterised in that pass through one between the upper end wall and inner wall of the tube body Connection wall connects, which is a cambered surface wall.
4. 4. water heater according to claim 1, it is characterised in that first connector has the first external screw thread, described Second connector has the first internal thread coordinated with the first external screw thread.
5. 5. water heater according to claim 4, it is characterised in that second connector is hex nut.
6. 6. water heater according to claim 4, it is characterised in that the valve body is equipped with inlet tube, and the tube body stretches into In the inlet tube.
7. 7. water heater according to claim 6, it is characterised in that the tube body is additionally provided with the second flange, this is second convex The lower surface that edge is located at first flange is docked with the upper surface of the inlet tube, wherein, the outside diameter of first flange is big It is identical with the outside diameter of the inlet tube in the outside diameter of second flange, the outside diameter of second flange.
8. 8. water heater according to claim 7, it is characterised in that the upper end of the inlet tube downwards concave shape into recessed Groove, the groove is interior to be equipped with sealing ring.
9. 9. water heater according to claim 6, it is characterised in that the inlet tube is equipped with the second internal thread, the tube body Portion is equipped with the second external screw thread of the second screw-internal thread fit.
10. 10. water heater according to claim 9, it is characterised in that the first internal thread of second connector and import The hand of spiral of second internal thread of pipe is opposite.
11. 11. water heater according to claim 1, it is characterised in that for first connector formed with tapered mouth, this is tapered The aperture of mouth is gradually reduced along water (flow) direction.