WO2023123716A1 - Robinet à tournant et cuisinière à gaz - Google Patents

Robinet à tournant et cuisinière à gaz Download PDF

Info

Publication number
WO2023123716A1
WO2023123716A1 PCT/CN2022/083787 CN2022083787W WO2023123716A1 WO 2023123716 A1 WO2023123716 A1 WO 2023123716A1 CN 2022083787 W CN2022083787 W CN 2022083787W WO 2023123716 A1 WO2023123716 A1 WO 2023123716A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
vent
groove
valve core
spool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/083787
Other languages
English (en)
Chinese (zh)
Inventor
黄华宏
戚正胜
杨道平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202111667395.7A external-priority patent/CN114135688B/zh
Priority claimed from CN202123455292.2U external-priority patent/CN216618608U/zh
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2023123716A1 publication Critical patent/WO2023123716A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/12—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve

Definitions

  • the present application relates to the technical field of stoves, in particular to a plug valve and a gas stove with the plug valve.
  • the firepower of the gas stove is controlled by adjusting the gas flow through the gas valve.
  • the adjustment performance of the gas valve flow control is determined by the air passage composed of the various parts of the valve body. There is no change in the flow rate, which leads to the firepower of the gas stove only reflecting the high fire state and the low fire state.
  • the adjustment range of the middle firepower is small, the position is difficult to control, and it is not easy to adjust.
  • the gas stove cannot meet the needs of different firepower in various scenarios during the use of the gas stove. , The user experience is not good.
  • an object of the present application is to propose a plug valve that can realize linear adjustment of firepower and increase the adjustment range and accuracy of intermediate firepower.
  • Another object of the present application is to provide a gas stove, including the aforementioned cock valve.
  • the plug valve includes: a valve body and a valve core, the valve body has a valve cavity and an inlet and an outlet communicating with the valve cavity, and a first valve communicating with the outlet is provided in the valve cavity.
  • the mouth and the second air port are opposite along the circumference of the valve core, wherein the valve core has a first position and a third position, and the valve core is in the first position where the adjusting groove and the The first ventilation port is completely connected and staggered with the second ventilation port, and the adjustment slot of the valve core is in the third position and is staggered with the first ventilation port and completely connected with the second ventilation port , and the total connecting area of the valve core from the first position to the third position decreases gradually between the adjustment slot and the first vent port and the second vent port.
  • the linear adjustment of the firepower can be realized, and the adjustment range and adjustment accuracy of the intermediate firepower can be increased.
  • plug valve according to the above embodiments of the present application may also have the following additional technical features:
  • the connection area between the adjustment slot and the first vent port decreases gradually, and the spool moves from the first position to the third position. After the first position is rotated to the third position by a predetermined angle, the adjustment slot is connected to the second air vent.
  • the spool also has a second position, the second position is located between the first position and the third position, and the spool moves from the second position to the third position.
  • the adjustment groove is completely connected with the second air outlet, and the connection area between the adjustment groove and the first air outlet gradually decreases.
  • the area formed by the first vent and the second vent around the axis of the valve core is staggered
  • the adjustment groove includes a first groove part and a second groove part communicating with each other, so The first groove part is opposite to the first vent port along the circumferential direction of the valve core, the second groove part is connected to the part of the first vent port close to the second vent port and the second vent port Opposite along the circumferential direction of the spool, the spool is in the first position, the first groove part is completely connected to the first air port, and the spool is in the third position, the first The second groove part is completely connected with the second air vent.
  • the spool further includes a second position, the second position is between the first position and the third position, the spool is in the second position and the first groove The portion is staggered from the first vent, the first groove is connected to the corresponding part of the first vent, and the second groove is completely connected to the second vent.
  • the first air vent is a waist-shaped hole extending in a direction parallel to or oblique to the circumference of the valve core.
  • the first vent is a special-shaped hole
  • the first vent includes a round hole and a groove
  • the round hole is connected to the groove and extends along the circumference of the valve core.
  • the circular hole protrudes in a parallel or oblique direction, and the groove is opposed to the second groove along the circumferential direction of the valve core.
  • the second groove is a waist-shaped hole extending along the circumference of the valve core.
  • the inner peripheral surface of the valve cavity is a conical surface
  • the outer peripheral surface of the valve core is in a shape suitable for the inner peripheral surface of the valve cavity
  • the first vent and the second The air vent is arranged on the inner peripheral surface of the valve cavity
  • the regulating groove is arranged on the outer peripheral surface of the valve core.
  • the valve body is further provided with a first channel and a second channel, the first channel communicates between the first vent and the outlet, the second channel communicates with the first Between the two air vents and the outlet, the first passage and the second passage extend along a straight line and are parallel to each other.
  • the gas cooker according to the embodiment of the present application includes the aforementioned cock valve.
  • the linear adjustment of the firepower can be realized, and the adjustment range and adjustment accuracy of the intermediate firepower can be increased.
  • Fig. 1 is a schematic structural diagram of a plug valve in some embodiments of the present application.
  • Fig. 2 is an exploded view of a plug valve in some embodiments of the present application.
  • Fig. 3 is a schematic diagram of a valve body of a plug valve in an embodiment of the present application.
  • Fig. 4 is a schematic diagram of a valve body of a plug valve in another embodiment of the present application.
  • Fig. 5 is a schematic diagram of a spool of a plug valve in an embodiment of the present application.
  • Fig. 6 is a schematic diagram of a spool of a plug valve in another embodiment of the present application.
  • Fig. 7 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the first position according to an embodiment of the present application.
  • Fig. 8 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 7 .
  • Fig. 9 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the second position according to an embodiment of the present application.
  • Fig. 10 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 9 .
  • Fig. 11 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the third position according to an embodiment of the present application.
  • Fig. 12 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 11 .
  • Fig. 13 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the first position according to another embodiment of the present application.
  • Fig. 14 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 13 .
  • Fig. 15 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the second position according to another embodiment of the present application.
  • Fig. 16 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 15 .
  • Fig. 17 is an expanded view of the taper surface of the valve body and the valve core when the valve core of the plug valve is in the third position according to another embodiment of the present application.
  • Fig. 18 is a schematic diagram of the total connection area between the valve core and the valve body in Fig. 17 .
  • Fig. 19 is a schematic structural view of a valve seat in an embodiment of the present application.
  • Fig. 20 is a schematic structural view of a valve stem in an embodiment of the present application.
  • Plug valve 100 valve body 1, inlet 101, outlet 102, first passage 103, first vent 104, second passage 105, second vent 106, solenoid valve accommodation chamber 107, valve chamber 108, valve core 2, Adjusting groove 20, first groove part 201, second groove part 202, card groove 203, air intake chamber 204, valve seat 3, limit groove 301, valve stem 4, positioning block 401, lever 5, gasket 6, Bottom cover 7, solenoid valve 8, lock nut 9, valve needle 10, spring 11, gasket 12, first sealing ring 13, screw 14, second sealing ring 15.
  • the gas valve stem is in the maximum fire state when it is turned to 90°, and it is in the minimum fire state when it is 210°.
  • the low-fire state occupies a wide adjustment range, and the transition range is small, so accurate adjustment cannot be achieved, thereby affecting the cooking effect.
  • the present application proposes a cock valve 100, which can improve the flow regulation performance of the gas valve, make the flow change linearly, facilitate the adjustment of firepower, and meet various firepower requirements in the cooking process.
  • the plug valve 100 includes: a valve body 1 and a valve core 2 , the valve body 1 has a valve chamber 108 and an inlet 101 communicating with the valve chamber 108 and Outlet 102 , gas can enter the valve body 1 from the inlet 101 and be discharged from the outlet 102 .
  • a first air port 104 and a second air port 106 communicating with the outlet 102 are provided in the valve chamber 108 , so that the valve chamber 108 can communicate with the outlet 102 .
  • the valve core 2 is rotatably arranged in the valve cavity 108, and the valve core 2 is provided with an adjustment groove 20 communicating with the inlet 101. relatively.
  • the spool 2 can be communicated with the inlet 101, the regulating groove 20 is opposite to the air vent of the valve body 1, the gas can enter the spool 2 from the inlet 101, and a communicating space can be produced when the regulating groove 20 is opposite to the air vent, so that Gas can enter the valve chamber 108 and exit through the outlet 102 .
  • the rotation of the spool 2 in the valve cavity 108 can change the position of the spool 2 relative to the valve cavity 108, the spool 2 has a first position and a third position, and the spool 2 can change from the first position to the third position.
  • Rotate between positions, and in the process of rotation, the positional relationship between the adjustment groove 20 and the first air vent 104 and the second air vent 106 can be constantly changed, thereby changing the air flow.
  • the regulating groove 20 When the spool 2 is in the first position, the regulating groove 20 is completely connected to the first vent 104 and staggered from the second vent 106; when the spool 2 is in the third position, the regulating groove 20 is staggered to the first vent 104 and staggered It is fully connected with the second vent 106 .
  • the adjustment groove 20 is completely connected with the ventilation port, which means that during the rotation of the valve core 2, there is the largest connecting area (or the maximum opening) between the adjustment groove 20 and the ventilation port. Staggering between the adjustment groove 20 and the ventilation port means that during the rotation of the valve core 2, there is no communication between the adjustment groove 20 and the ventilation port.
  • the connection area between the adjustment groove 20 and the first air port 104 is the largest, and the adjustment groove 20 and the first air port 104 are the largest.
  • the second air port 106 is not connected.
  • the spool 2 can have a plurality of positions to maintain the maximum connection area between the adjustment groove 20 and the first vent 104; the spool 2 can also have Multiple positions enable the adjustment slot 20 to be disconnected from the first vent 104 .
  • the regulating groove 20 is fully connected with the vent (the vent can be the first vent 104 or the second vent 106), the connection area is the largest, and the ventilation volume is large; when the regulating groove 20 is staggered or partially connected with the vent , the connection area is small, and the ventilation volume is small; when the adjustment groove 20 is staggered with the ventilation opening, the adjustment groove 20 is not connected with the ventilation opening, and the ventilation volume is minimum (no ventilation).
  • the total communication area of the valve core 2 from the first position to the third position between the adjustment groove 20 and the first vent port 104 and the second vent port 106 decreases gradually.
  • the ventilation volume gradually decreases.
  • the area of the adjustment slot 20 completely connected to the first vent 104 is smaller than the area completely connected to the second vent 106 .
  • the connection area between the adjustment groove 20 and the first air port 104 gradually decreases, and the connection area between the adjustment groove 20 and the second air port 106 gradually decreases.
  • the ventilation volume is changed, thereby increasing the adjustment range and accuracy of the intermediate firepower .
  • the total connection area refers to the sum of the connection area between the adjustment slot 20 and the first vent 104 and the connection area between the adjustment slot 20 and the second vent 106 .
  • the total connection area is the connecting area of the regulating groove 20 and the first air port 104 and the connecting area of the regulating groove 20 and the second air port 106 .
  • the sum of the connected areas; when one of the first vent 104 and the second vent 106 is connected to the regulating groove 20, and the other vent in the first vent 104 and the second vent 106 is connected to the When the regulating groove 20 is not connected, the total connection area may be the connection area between the vent opening connected with the ventilation groove 20 and the ventilation groove 20 .
  • the firepower can be changed, that is, from the maximum fire to medium fire or medium fire, or from The minimum or maximum fire, etc., will help improve the accuracy of the intermediate firepower and provide convenience for users to adjust.
  • connection area between the adjustment groove 20 and the first vent 104 gradually decreases, and the spool 2 moves from the first position to the third position.
  • the adjustment slot 20 is connected to the second vent 106 .
  • the total connection area when the regulating groove 20 is completely connected with the first vent 104 is greater than the total flow area when the regulating groove 20 is completely connected with the second vent 106, Therefore, after the spool 2 rotates a predetermined angle from the first position, the total connection area is still larger than the total connection area at the third position, but the difference between the total connection area at this time and the total connection area at the third position is reduced.
  • the valve core 2 also has a second position, the second position is located between the first position and the third position, that is, when the valve core 2 is in the second position, the total connection between the adjustment groove 20 and the vent port
  • the pass area value is smaller than the first location and larger than the third location.
  • connection area between the adjustment groove 20 and the second air port 106 does not change, while the connection area between the adjustment groove 20 and the first air port 104 gradually decreases, so that the valve core 2
  • the connecting area between the adjusting groove 20 and the first air vent 104 will be changed, so that the smooth adjustment of the connecting area between the adjusting groove 20 and the first air vent 104 can be easily realized, and the total connecting area (or ventilation) can be increased. amount) to adjust the linearity of the process.
  • the first vent 104 and the second vent 106 are staggered around the axis of the valve core 2, which facilitates the total connection between the adjustment groove 20 and the vent during the adjustment process.
  • the area changes linearly, which is beneficial to increase the range of intermediate firepower.
  • the adjustment groove 20 includes a first groove portion 201 and a second groove portion 202 that communicate with each other, the first groove portion 201 is opposite to the first vent port 104 along the circumference of the valve core 2 , the second groove portion 202 is connected to the first vent port 104 The part of the valve close to the second vent 106 and the second vent 106 are opposite along the circumferential direction of the valve core 2 .
  • the first groove portion 201 is completely connected to the first air port 104.
  • the total connection area between the valve core 2 and the valve cavity 108 is the largest, and the gas flow rate is the largest.
  • the gas stove shows a high fire state.
  • the second groove portion 202 is completely connected to the second vent port 106.
  • the total connection area between the valve core 2 and the valve cavity 108 is the smallest, the gas flow is the smallest, and the gas stove shows a low fire state. .
  • the first groove 201 can only connect to the opposite part of the first vent 104 along the circumferential direction of the valve core 2, while the second groove 202 can connect to the first vent 104.
  • the part close to the second vent 106 and the second vent 106 which can facilitate the adjustment of the valve core 2 between the first position, the third position (and the second position), so as to meet the aforementioned requirements for improving linearity Require.
  • the spool 2 further includes a second position, the second position is between the first position and the third position, and the spool 2 is in the second position between the first groove 201 and the third position.
  • the first air vent 104 is staggered, the first groove part is connected with the corresponding part of the first air vent 104 , and the second groove part 202 is completely connected with the second air vent 106 .
  • connection area When the spool 2 is in the first position, the connection area is the ventilation area of the first ventilation port; when the spool 2 is in the third position, the total connection area is the ventilation area of the second ventilation port, where the total ventilation area of the first ventilation port is The area may be greater than the total ventilation area of the second vent.
  • the total connection area When the spool 2 is in the second position, the total connection area is a part of the ventilation area of the first vent and the total ventilation area of the second vent. Therefore, the gas flow at the second position is between the first position and the third position During this period, when the valve core 2 is turned clockwise or counterclockwise at the second position, the connection area between the first groove portion 201 and the first ventilation groove can be changed, thereby adjusting the gas flow rate to increase or decrease gradually.
  • the first air vent 104 is a waist-shaped hole extending in a direction parallel or oblique to the circumference of the valve core 2 , which is beneficial to increase the adjustment range and form a linear adjustment. Specifically, when the valve core 2 rotates circumferentially from the first position to the second position, the first groove portion 201 and the first air port 104 change from being completely connected to being gradually reduced, which facilitates the linear adjustment of the gas flow.
  • the first vent 104 can also be a special-shaped hole, the first vent 104 includes a round hole and a groove, the round hole is connected to the groove and along the edge of the valve core 2
  • the circular hole portion protrudes in a direction parallel or oblique to the circumference, and the groove portion is opposite to the second groove portion 202 along the circumference direction of the valve core 2 .
  • the second groove portion 202 is a waist-shaped hole extending along the circumference of the valve core 2 , which facilitates the linear adjustment of the gas flow.
  • the ventilation area of the second vent 106 is smaller than that of the first vent 104, the second vent 106 is opposite to the second groove 202, and when the valve core 2 rotates, the second groove extending in the circumferential direction 202 can be fully connected to the second vent 106 within a certain range, and the total connected area can be changed by changing the connection area between the first groove 201 and the first vent 104, which is beneficial to realize linear adjustment.
  • the inner peripheral surface of the valve cavity 108 is a conical surface
  • the outer peripheral surface of the valve core 2 is in a shape that matches the inner peripheral surface of the valve cavity 108, so as to improve the connection stability and facilitate the realization of the valve core. 2 rotation in the valve chamber 108.
  • the first vent 104 and the second vent 106 are arranged on the inner peripheral surface of the valve cavity 108
  • the adjusting groove 20 is arranged on the outer peripheral surface of the valve core 2, which can simplify the structure, and when the valve core 2 rotates, the adjusting groove 20 The position can be changed directly with the rotation of the spool 2.
  • the first vent 104 is a waist-shaped port extending along the circumference of the valve cavity 108
  • the second vent 106 is approximately circular
  • the first vent 106 104 and the second ventilation port 106 are set up and down staggered.
  • Both the first groove portion 201 and the second groove portion 202 are waist-shaped holes extending along the circumferential direction of the valve core 2 , and the circumferentially extending length of the second groove portion 202 is greater than that of the first groove portion 201 .
  • Fig. 7 to Fig. 12 show the schematic diagrams of the expansion of the taper surface of the valve body 1 and the valve core 2 in different positions.
  • the port 104 is completely connected, and the second slot 202 is staggered with the second vent 106;
  • FIG. 9 shows that in the second position, the first slot 201 is connected with a small part of the first vent 104, and the second The groove portion 202 is connected with most of the second air vent 106;
  • FIG. 11 shows that in the third position, the first groove portion 201 is staggered with the first air vent 104, and the second groove portion 202 is connected with the second air vent 106.
  • the total connection area between the valve core 2 and the valve body 1 decreases gradually from the first position to the third position.
  • the total connection area between the adjustment slot 20 and the ventilation opening is shown in the first position, the second position and the third position respectively.
  • the first vent 104 is formed by connecting a round hole and a groove, wherein the groove protrudes from the round hole parallel to the axial direction of the valve core 2 , the second air vent 106 is approximately circular, and the first air vent 104 and the second air vent 106 are set up and down staggered.
  • the first groove portion 201 is circular
  • the second groove portion 202 is a waist-shaped hole extending along the circumference of the valve core 2
  • the connecting area of the second groove portion 202 is larger than that of the first groove portion 201 .
  • Figures 13 to 18 show the schematic diagrams of the taper surface development of the valve body 1 and the valve core 2 at different positions, wherein, Figure 13 shows that the first groove 201 and the first ventilation are in the first position.
  • the round hole of the port 104 is completely connected, and the second groove 202 is partially connected with the groove of the first vent 104 and staggered with the second vent 106;
  • Figure 15 shows that in the second position, the first groove
  • the part 201 is staggered with the first vent 104
  • the second groove 202 is connected with most of the second vent 106
  • the second groove 202 is connected with a part of the groove of the first vent 104;
  • Figure 17 When it is in the third position, the first slot 201 is staggered from the first vent 104 , and the second slot 202 is mostly connected to the second vent 106 .
  • the total connection area between the valve core 2 and the valve body 1 decreases gradually from the first position to the third position.
  • the total connection area between the adjustment slot 20 and the ventilation opening is shown in the first position, the second position and the third position respectively.
  • the first position, the second position and the third position may be the positions when the valve core 2 rotates 90°, 150° and 210° respectively.
  • the total connection area is the largest, and the ventilation volume is large, and the gas stove shows a large fire
  • at 210° the total connection area is the smallest, and the ventilation volume is small, and the gas stove shows a small fire
  • the total connection area is between Between 90° and 210°, the ventilation volume is moderate, and the gas stove shows medium fire.
  • the first position, the second position and the third position can also be the rotation angles of the spool 2, or it can also be that the spool 2 also has a fourth position, a fifth position, etc., to increase the firepower adjustment range. Accuracy, such as setting medium and small fire positions or medium and high fire positions, etc.
  • the spool 2 may also include an air intake chamber 204, which is located at the bottom of the spool 2, and the air intake chamber 204 may communicate with the inlet 101, so that the gas enters from the air intake chamber 204 Spool 2.
  • a first channel 103 and a second channel 105 are also provided in the valve body 1, the first channel 103 communicates between the first vent 104 and the outlet 102, and the second channel 105 communicates with the second between the vent 106 and the outlet 102, so that the gas can enter the first channel 103 from the first vent 104, and the gas can enter the second channel 105 from the second vent 106, and the first channel 103 and the second channel 105 are both extending in a straight line and parallel to each other.
  • the gas in the first channel 103 and the second channel 105 can be sent out from the outlet 102 approximately simultaneously.
  • the plug valve 100 further includes: a valve cover, a valve stem 4 and an elastic member, the valve chamber 108 is opened above and covered by the valve cover, and a chute is provided on the inner side of the valve cover , one end of the chute is provided with a child lock groove; the end of the valve stem 4 is provided with a positioning block 401, and the valve stem 4 is telescopically connected with the valve cover so that the positioning block 401 is embedded in and out of the child lock groove, and the valve stem 4 is opposite to the valve
  • the cover can be rotated so that the positioning block 401 slides along the chute; the elastic member is connected with the valve stem 4, and exerts force on the valve stem 4 toward the outside of the valve cover, wherein the valve core 2 is provided with a card slot 203, and the positioning block 401 comes out of the child Insert the card slot 203 when locking the slot.
  • valve stem 4, the elastic member, and the valve cover can be arranged sequentially from top to bottom, wherein the positioning block 401 is arranged at the lower end of the valve stem 4, so as to be suitable for matching with the chute on the inner surface of the valve cover, so as to avoid Children accidentally touch, improve safety.
  • the elastic member may be a spring 11 .
  • the plug valve 100 also includes a valve seat 3 disposed on the valve casing, specifically, the valve seat 3 is sleeved on the valve core 2 , and the valve stem 4 is disposed on the valve seat 3 .
  • a knob When in use, a knob can be sheathed on the valve stem 4, which is convenient for users to perform adjustment operations.
  • the reset by elastic force is beneficial for the user to further rotate the valve stem 4 to adjust the main valve core 2 .
  • inserting the first positioning block 401 of the valve rod 4 into the child lock groove can have the effect of locking the cock 100, so as to avoid gas leakage caused by the cock 100 being accidentally opened, which can improve Plug valve 100 for safety.
  • the valve stem 4 can be pressed down and turned counterclockwise to open, and clockwise to close.
  • the gas cooker according to the embodiment of the present application includes the aforementioned cock valve 100.
  • the aforementioned cock valve 100 By applying the aforementioned cock valve 100 to the gas cooker, the linear adjustment of the firepower can be realized, and the adjustment range and adjustment accuracy of the intermediate firepower can be increased.
  • a plug valve 100 according to a specific embodiment of the present application will be described below with reference to the accompanying drawings.
  • the plug valve 100 includes a valve body 1, a valve core 2, a valve seat 3, a valve stem 4, a driving rod 5, a gasket 6, a bottom cover 7, a solenoid valve 8, A lock nut 9 , a valve needle 10 , a spring 11 , a gasket 12 , a first sealing ring 13 , a screw 14 and a second sealing ring 15 .
  • the first sealing ring 13 may be a valve needle sealing ring
  • the second sealing ring 15 may be a screw sealing ring, so as to improve structural stability.
  • the positioning block 401 at the bottom of the valve stem 4 is stuck in the limiting groove 301 of the valve seat 3 to form a child lock.
  • the rotatable valve rod 4 drives the valve core 2 to rotate by the bottom positioning block 401 .
  • valve body 1 has a valve chamber 108, an inlet 101 and an outlet 102.
  • the valve chamber 108 is provided with a first vent 104 and a second vent 106, and the first vent 104 and the second vent 106 communicate with the first vent respectively.
  • channel 103 and a second channel 105 are provided.
  • the plug valve 100 also includes a cavity 107 for the solenoid valve 8 and a cavity for the valve core 2.
  • Gas enters the cavity 107 for the solenoid valve 8 from the inlet.
  • the initial state of the solenoid valve 8 contacts and seals with the cavity 107 for the solenoid valve 8.
  • Rod 4 is pressed down to push the lever 5 to rotate, and the lever 5 pushes open the solenoid valve 8, and the gas enters the bottom cover 7 and seals with the valve body 1 to form a cavity;
  • the taper can be oiled and sealed.
  • the gas enters the intake cavity 204 of the valve core 2 in the cavity of the bottom cover 7, and the gas is output from the outlet after the first groove 201 of the valve core 2 communicates with the gas outlet channel of the valve body 1.
  • the valve core 2 is provided with a first groove portion 201 and a second groove portion 202 communicating with the inlet 101 .
  • the first groove 201 of the spool 2 first communicates with the first channel 103 of the valve body 1, and when it reaches 90°, the throttle area of the air passage is the largest, and the flow rate is the largest; 90° is adjusted to the minimum flow position (210°)
  • the air passage formed by the first groove 201 of the valve core 2 and the first passage 103 of the valve body 1 is gradually replaced by the air passage formed by the second groove 202 and the first passage 103 of the valve body 1, and the throttle area decreases. The flow is reduced.
  • the second groove portion 202 is only partly communicated with the first channel 103 of the valve body 1, and the first groove portion 201 of the valve core 2 is not communicated with the second channel 105 of the valve body 1 during the adjustment process; While the airway restriction area formed by the groove 201 and the first passage 103 of the valve body 1 decreases, the second groove 202 gradually communicates with the second groove 202 with the second passage 105 of the valve body 1 .
  • the valve body 1 and the valve core 2 shown in Figure 3 and Figure 9 the first vent 104 of the valve body 1 is a waist-shaped hole, placed horizontally on the tapered cavity of the valve core 2 , communicating with the outlet; the first groove 201 of the spool 2 is a waist-shaped hole, and the second groove 202 is arranged horizontally or obliquely on the taper of the spool 2.
  • the first groove of the spool 2 The second groove 202 communicates with the second vent of the valve body 1 during the process of staggering the first vent 104 of the first vent 104 of the valve body 1.
  • the second groove part 202 communicates with the second vent port of the valve body 1 and the throttling area reaches the maximum.
  • the flow rate change is controlled by the throttling area where the second groove part 202 communicates with the first vent port of the valve body 1 and is arranged obliquely.
  • the change of the throttling area of the second groove 202 communicating with the first air port of the valve body 1 is more obvious, and the adjustment effect is better.
  • the first vent 104 of the valve body 1 is a special-shaped combination of a round hole and a horizontal or inclined groove.
  • the hole is placed on the taper of the housing cavity of the valve core 2 and communicates with the outlet;
  • the first groove 201 of the valve core 2 is a round hole, and the second groove 202 is arranged horizontally or obliquely on the taper of the valve core 2, and the maximum flow position is toward the minimum flow
  • the second groove 202 communicates with the second channel 105 of the valve body 1 when the first groove 201 of the valve core 2 is staggered from the first vent 104 of the valve body 1, and the first groove 201 of the valve core 2 communicates with the valve body 1.
  • the second groove 202 communicates with the second channel 105 of the valve body 1 and the throttling area reaches the maximum.
  • the flow change is determined by the second groove 202 and the first channel of the valve body 1. 103 connected throttling area control.
  • the valve body 1 of the plug valve 100 places the first vent 104 and the second vent 106 on the tapered cavity at different heights
  • the valve core 2 has a first groove 201 and a second groove 202 communicating with each other.
  • the first groove 201 cooperates with the first air port 104 of the valve body 1
  • the outer side of the second groove 202 cooperates with the air port of the valve body 1
  • the inner part communicates with the air inlet chamber 204 of the valve core 2 in whole or in part.
  • valve stem 4 When in use, turn the valve stem 4, the valve stem 4 drives the valve core 2 to rotate in the conical cavity of the valve body 1, and the relative positions of the valve core 2 adjustment groove 20 and the valve body 1 vent are different at different angles of rotation, and the air formed by mutual cooperation
  • the throttling areas of the air passages are also different, and the flow rate of the gas valve outlet 102 varies according to different throttling areas.
  • the valve After the valve stem 4 is pressed down to release the child lock, the valve is rotated to open, and the gas path is connected to output gas.
  • the first groove 201 of the valve core 2 communicates with the first air port 104 of the valve body 1, and gas flows through the outlet 102 of the plug valve 100; when the valve stem 4 rotates to the 90° position, the valve core 2 first The throttling area formed by the groove 201 and the first channel 103 of the valve body 1 is the largest, and the gas flow reaches the maximum value; during the rotation of the valve stem after 490°, the first groove 201 of the valve core 2 and the first air port of the valve body 1 The throttle area of the airway formed by 104 is gradually decreasing, and is replaced by the airway formed by the second groove 202 and the first vent 104 of the valve body 1.
  • the second The groove 202 communicates with the second air outlet of the valve body 1 , and the flow rate of the outlet 102 of the plug valve 100 varies with the airway throttle area formed by the second groove 202 of the valve core 2 and the first air outlet 104 of the valve body 1 . Therefore, the problem of insignificant flow change during the flow adjustment process of the plug valve 100 is solved, the linear adjustment of firepower is realized, and the adjustment range and adjustment accuracy of the intermediate firepower are increased.
  • a first feature being "on” or “under” a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary.
  • the first feature being “above”, “above” and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

Robinet à tournant (100) et cuisinière à gaz. Le robinet à tournant (100) comprend un corps de robinet (1) et un noyau de robinet (2). Le corps de robinet (1) est doté d'une cavité de robinet et d'une entrée et d'une sortie qui sont en communication avec la cavité de robinet, et la cavité de robinet est dotée en interne d'un premier évent d'air (104) et d'un second évent d'air (106) qui sont en communication avec la sortie. Le noyau de robinet (2) est disposé en rotation dans la cavité de robinet, une rainure de réglage (20) en communication avec l'entrée est formée dans le noyau de robinet (2), et la rainure de réglage (20) est opposée au premier évent d'air (104) et au second évent d'air (106) dans la direction circonférentielle du noyau de robinet (2). Lorsque le noyau de robinet (2) est dans une première position, la rainure de réglage (20) est complètement en communication avec le premier évent d'air (104) et est décalée par rapport au second évent d'air (106), lorsque le noyau de robinet (2) est dans une troisième position, la rainure de réglage (20) est décalée par rapport au premier évent d'air (104) et est complètement en communication avec le second évent d'air (106), et lorsque le noyau de robinet (2) se déplace de la première position à la troisième position, les zones de liaison totales entre la rainure de réglage (20) et le premier évent d'air (104) et entre la rainure de réglage (20) et le second évent d'air (106) diminuent progressivement, de sorte que le réglage linéaire de puissance de peu peut être réalisé, et la plage de réglage et la précision de réglage de la puissance de combustion intermédiaire sont augmentées.
PCT/CN2022/083787 2021-12-31 2022-03-29 Robinet à tournant et cuisinière à gaz Ceased WO2023123716A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202123455292.2 2021-12-31
CN202111667395.7A CN114135688B (zh) 2021-12-31 2021-12-31 旋塞阀和燃气灶
CN202123455292.2U CN216618608U (zh) 2021-12-31 2021-12-31 旋塞阀和燃气灶
CN202111667395.7 2021-12-31

Publications (1)

Publication Number Publication Date
WO2023123716A1 true WO2023123716A1 (fr) 2023-07-06

Family

ID=86997330

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/083787 Ceased WO2023123716A1 (fr) 2021-12-31 2022-03-29 Robinet à tournant et cuisinière à gaz

Country Status (1)

Country Link
WO (1) WO2023123716A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6598853B1 (en) * 1998-08-25 2003-07-29 Alpha Thames Limited Plug valve with cam actuated seal means
CN207554872U (zh) * 2017-12-15 2018-06-29 宁波方太厨具有限公司 燃气旋塞阀
CN109931421A (zh) * 2017-12-15 2019-06-25 宁波方太厨具有限公司 燃气旋塞阀
CN111306318A (zh) * 2020-03-31 2020-06-19 佛山市顺德区美的洗涤电器制造有限公司 阀芯、旋塞阀和燃气具
CN212004376U (zh) * 2020-03-31 2020-11-24 佛山市顺德区美的洗涤电器制造有限公司 阀芯、旋塞阀和燃气具
CN114135688A (zh) * 2021-12-31 2022-03-04 佛山市顺德区美的洗涤电器制造有限公司 旋塞阀和燃气灶
CN216618608U (zh) * 2021-12-31 2022-05-27 佛山市顺德区美的洗涤电器制造有限公司 旋塞阀和燃气灶

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6598853B1 (en) * 1998-08-25 2003-07-29 Alpha Thames Limited Plug valve with cam actuated seal means
CN207554872U (zh) * 2017-12-15 2018-06-29 宁波方太厨具有限公司 燃气旋塞阀
CN109931421A (zh) * 2017-12-15 2019-06-25 宁波方太厨具有限公司 燃气旋塞阀
CN111306318A (zh) * 2020-03-31 2020-06-19 佛山市顺德区美的洗涤电器制造有限公司 阀芯、旋塞阀和燃气具
CN212004376U (zh) * 2020-03-31 2020-11-24 佛山市顺德区美的洗涤电器制造有限公司 阀芯、旋塞阀和燃气具
CN114135688A (zh) * 2021-12-31 2022-03-04 佛山市顺德区美的洗涤电器制造有限公司 旋塞阀和燃气灶
CN216618608U (zh) * 2021-12-31 2022-05-27 佛山市顺德区美的洗涤电器制造有限公司 旋塞阀和燃气灶

Similar Documents

Publication Publication Date Title
CN106704623B (zh) 同步调节内外环流量的燃气阀
CN103867772B (zh) 燃气灶
CN209041730U (zh) 一种多样控火的燃气灶气阀
CN111322431B (zh) 内外环流量燃气调节阀
CN110206915A (zh) 可线性调节火力的燃气阀及燃气灶
CN216618608U (zh) 旋塞阀和燃气灶
CN114135687A (zh) 旋塞阀和燃气灶
CN109931421B (zh) 燃气旋塞阀
CN216618609U (zh) 旋塞阀和燃气灶
CN111609173A (zh) 燃气阀和具有其的燃气灶
CN219774871U (zh) 一种外环火调节的燃气炉旋塞阀
CN114135688B (zh) 旋塞阀和燃气灶
CN114251479B (zh) 用于旋塞阀的阀芯和具有其的旋塞阀、燃气具
WO2023123716A1 (fr) Robinet à tournant et cuisinière à gaz
TWI325483B (fr)
CN206290742U (zh) 同步调节内外环流量的燃气阀
CN218377810U (zh) 用于旋塞阀的阀芯、旋塞阀和燃气灶
CN111425627A (zh) 燃气旋塞阀及燃气灶
CN114110200B (zh) 一种线性流量阀芯及燃气旋塞阀
CN207316137U (zh) 燃气阀
CN207316112U (zh) 阀芯
CN107477215B (zh) 燃气阀
CN115654178A (zh) 一种旋塞阀及灶具
CN112344331A (zh) 一种用于燃气灶的火盖
JPS6127655B2 (fr)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22913020

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22913020

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02/12/2024)

122 Ep: pct application non-entry in european phase

Ref document number: 22913020

Country of ref document: EP

Kind code of ref document: A1