CN114688294A - Temperature control stop valve - Google Patents
Temperature control stop valve Download PDFInfo
- Publication number
- CN114688294A CN114688294A CN202011593491.7A CN202011593491A CN114688294A CN 114688294 A CN114688294 A CN 114688294A CN 202011593491 A CN202011593491 A CN 202011593491A CN 114688294 A CN114688294 A CN 114688294A
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- Prior art keywords
- piece
- temperature control
- channel
- temperature
- transmission rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 230000005540 biological transmission Effects 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 11
- 238000007710 freezing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/126—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm the seat being formed on a rib perpendicular to the fluid line
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention provides a temperature control stop valve, comprising: a water inlet channel; a water outlet channel; the temperature control assembly comprises a stopping piece and a temperature control piece, the stopping piece is controlled to be communicated with the water inlet channel and the water outlet channel, the temperature control piece is in transmission connection with the stopping piece, and when the temperature control piece is close to or is at a preset temperature, the temperature control piece controls the stopping piece to stop the water inlet channel and the water outlet channel. Use this technical scheme can provide a temperature control stop valve according to temperature control.
Description
Technical Field
The invention relates to a temperature control stop valve.
Background
The cut-off valve in the prior art can only realize cut-off and communication according to the change of water pressure, and cannot realize cut-off through the change of temperature, for example, in cold winter, the pipeline exposed to the air has the risk of frost crack, when the pipeline is frozen, the water in the pipeline is solid, so the leakage possibility is low, when the air temperature rises, the ice in the pipeline melts, and at the moment, the pipeline is already frozen and cracked, and a large amount of water is leaked.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a temperature control stop valve controlled according to temperature.
In order to solve the above technical problem, the present invention provides a temperature control stop valve, including:
a water inlet channel;
a water outlet channel;
the temperature control assembly comprises a stopping piece and a temperature control piece, the stopping piece is controlled to be communicated with the water inlet channel and the water outlet channel, the temperature control piece is in transmission connection with the stopping piece, and when the temperature control piece is close to or is at a preset temperature, the temperature control piece controls the stopping piece to stop the water inlet channel and the water outlet channel.
Preferably, the temperature control assembly further comprises a transmission rod, the transmission rod is in transmission connection between the temperature control element and the stopping element, and the temperature control element pushes the transmission rod to move and controls the stopping element in a transmission mode when approaching to or being at a preset temperature.
Preferably, the temperature control part drives the transmission rod to move from an initial position to a final position, when the transmission rod is located at the initial position, the water inlet channel is communicated with the water outlet channel, when the transmission rod is located at the final position, the water inlet channel is cut off from the water outlet channel, the temperature control component further comprises a positioning piece, and when the transmission rod is located at the final position, the positioning piece is clamped and abutted to the transmission rod.
Preferably, the temperature control assembly further comprises a first reset member, the first reset member is connected to the transmission rod, and the first reset member accumulates restoring force when the transmission rod is at the final position.
Preferably, the temperature control assembly further comprises a second reset piece, the second reset piece is connected with the positioning piece, the second reset piece drives the positioning piece to be positioned and clamped to the transmission rod, and the positioning piece is pressed to remove clamping.
Preferably, the temperature control part is a thermal bimetallic strip, and the temperature control part deforms and abuts to drive the transmission rod to slide when approaching or being at a preset temperature.
Preferably, the predetermined temperature of the temperature control member is the freezing point temperature of water.
Preferably, still including the pressure release chamber that communicates inhalant canal and exhalant canal respectively, the piece of stopping is pressed the shutoff by the effect of pressure release intracavity water pressure the entry of exhalant canal, the piece of stopping still includes the control channel of intercommunication pressure release chamber and exhalant canal, the transfer line removes and controls the shutoff during the control channel, the pressure release chamber suppress the pressure and inhalant canal and exhalant canal cut.
Preferably, the stopping piece comprises a fine hole communicated with the water inlet channel and the pressure relief cavity, and the water outlet area of the control channel is larger than that of the fine hole.
Preferably, the stop piece comprises a sealing element and a flow guide sleeve, the sealing element is sleeved outside the flow guide sleeve and is pressed to block the inlet of the water outlet channel under the action of water pressure in the pressure relief cavity, the flow guide sleeve extends to form a flow guide channel, the transmission rod extends to slide in the flow guide channel, the flow guide sleeve is provided with a connecting hole for communicating the water outlet channel with the flow guide channel, the flow guide channel and the connecting hole define a control channel, and the transmission rod slides to block the inlet of the flow guide channel, so that the control channel is blocked.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the temperature control assembly cut-off piece and the temperature control piece are communicated with the water inlet channel and the water outlet channel in a control mode, the temperature control piece is in transmission connection with the cut-off piece, when the temperature control piece is close to or at a preset temperature, the temperature control piece controls the cut-off piece to cut off the water inlet channel and the water outlet channel, and the temperature control stop valve can cut off a water channel according to the change of the temperature;
2. the temperature control component drives the transmission rod to move to a final position from an initial position, the temperature control component further comprises a positioning piece, when the transmission component is located at the final position, the positioning piece is clamped and abutted against the transmission rod, the positioning piece can enable the transmission rod to be kept at the final position, and at the moment, the water inlet channel and the water outlet channel are kept blocked;
3. the temperature control assembly further comprises a first reset piece, the first reset piece is connected with the transmission rod, when the transmission rod is located at the final position, the first reset piece accumulates restoring force, and when the positioning piece is released from being clamped, the first reset piece drives the transmission rod to return to the initial position;
4. the temperature control assembly further comprises a second reset piece, the second reset piece is connected with the positioning piece, the second reset piece drives the positioning piece to be clamped and abutted against the transmission rod, the clamping is released under the action of pressure when external force is applied to the positioning piece, the transmission rod is driven to return to the initial position by the first reset piece at the moment, the positioning piece is driven to abut against the transmission rod by the second reset piece, and when the transmission rod is located at the final position again, the positioning piece is pushed by the second reset piece to be clamped and abutted against the transmission rod;
4. the temperature control part is a thermal bimetallic strip, the thermal bimetallic strip deforms and abuts against the driving rod to drive the driving rod to slide when the temperature control part is close to or at a preset temperature, and when the temperature changes, the deformation of the driving layer of the thermal bimetallic strip is larger than that of the driven layer, so that the whole bimetallic strip can bend towards one side of the driven layer, and the temperature control stop valve can be completely cut off by using a mechanical structure;
5. the preset temperature of the temperature control element is the freezing point temperature of water, the temperature control stop valve can play a role in preventing freezing, upstream water inlet is closed when the temperature control stop valve is close to or at the freezing point, and leakage caused by frost cracking of a downstream pipeline is avoided.
Drawings
FIG. 1 is a perspective view of a temperature-controlled shutoff valve in a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a valve body in a preferred embodiment of the invention;
FIG. 3 is a schematic cross-sectional view of a valve cover in accordance with a preferred embodiment of the present invention;
FIG. 4 is a schematic perspective exploded view of a temperature controlled shutoff valve according to a preferred embodiment of the invention;
FIG. 5 is a perspective view of a positioning member in accordance with a preferred embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a temperature-controlled shutoff valve in accordance with a preferred embodiment of the present invention with the actuator rod in the initial position;
fig. 7 is a schematic cross-sectional view of a temperature-controlled shut-off valve in a preferred embodiment of the invention, with the actuator rod in the final position.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Certain directional terms used hereinafter to describe the drawings, such as "inner", "outer", "above", "below", and other directional terms, will be understood to have their normal meaning and refer to those directions as they normally relate to when viewing the drawings. Unless otherwise indicated, the directional terms described herein are generally in accordance with conventional directions as understood by those skilled in the art.
The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
Referring to fig. 1-7, a temperature control stop valve 100, the temperature control stop valve 100 includes a valve body 1, the valve body 1 includes an inlet pipe 11 and an outlet pipe 12 that extend, an inlet channel 111 extends in the inlet pipe 11, an outlet channel 121 extends in the outlet pipe 12, the outer peripheral walls of the ends of the inlet pipe 11 and the outlet pipe 12 are respectively provided with an external thread structure, and the external thread structure is used for connecting an external pipeline.
The valve body 1 further comprises a lower chamber 13, the water inlet channel 111 and the water outlet channel 121 are respectively connected to the lower chamber 13, the outlet 1111 of the water inlet channel 111 and the inlet 1211 of the water outlet channel 121 are concentrically arranged in the lower chamber 13, the outlet 1111 of the water inlet channel 111 surrounds the inlet 1211 of the water outlet channel 121, and the valve body 1 further comprises a first mounting flange 14 which radially extends outwards along the outer periphery of the lower chamber 13.
Temperature control stop valve 100 still includes valve gap 2, valve gap 2 includes last cavity 21 and follows the radial overhanging second mounting flange 23 of periphery of last cavity 21, second mounting flange 23 butt is installed on first mounting flange 14, it establishes to go up cavity 21 lid lower cavity 13 is gone up and is defined out a pressure release chamber 3, water inlet channel 111 and water outlet channel 121 are connected to respectively pressure release chamber 3.
Temperature control stop valve 100 still includes temperature control unit 4, temperature control unit 4 is including stopping piece 41 and temperature control piece 42, stop 41 control intercommunication inhalant canal 111 and exhalant canal 121, temperature control piece 42 transmission is connected stop piece 41, works as temperature control piece 42 closes or is in when the predetermined temperature, temperature control piece 42 control stop piece 41 cuts inhalant canal 111 and exhalant canal 121, temperature control unit 4 still includes transfer line 43, transfer line 43 transmission is connected between temperature control piece 42 and stop piece 41, temperature control piece 42 promotes when closing or being in the predetermined temperature transfer line 43 removes and transmission control stop piece 41.
The stopping member 41 is movable in the pressure relief cavity 3, the stopping member 41 is pressed against and blocks the inlet 1211 of the water outlet channel 121 under the action of water pressure in the pressure relief cavity 3, the stopping member 41 further comprises a control channel 411 for communicating the pressure relief cavity 3 with the water outlet channel 121, and when the transmission rod 43 moves and controls and blocks the control channel 411, the pressure relief cavity 3 is suppressed and the water inlet channel 111 and the water outlet channel 121 are stopped. The stopping member 41 includes a fine hole 412 communicating the water inlet passage 111 and the pressure relief chamber 3, the water outlet area of the control passage 411 is larger than the water outlet area of the fine hole 412, when the control passage 411 is closed, because the water source of the water inlet passage 111 continuously flows into the pressure relief chamber 3, the water pressure in the pressure relief chamber 3 gradually increases and drives the stopping member 41 to block the inlet 1211 of the water outlet passage 121, when the control passage 411 is opened, because the water outlet area of the control passage 411 is larger than the water outlet area of the fine hole 412, the water pressure in the pressure relief chamber 3 gradually decreases, and the stopping member 41 unblocks the inlet 1211 of the water outlet passage 121.
The stopping member 41 comprises a sealing member 413 and a flow guide sleeve 414, the sealing member 413 is sleeved outside the flow guide sleeve 414 and is pressed against and seals an inlet 1211 of the water outlet channel 121 under the action of water pressure in the pressure relief cavity 3, a flow guide channel 4141 extends from the flow guide sleeve 414, the driving rod 43 extends into and slides in the flow guide channel 4141, the flow guide sleeve 414 is provided with a connecting hole 4142 which is communicated with the water outlet channel 121 and the flow guide channel 4141, the flow guide channel 4141 and the connecting hole 4142 define the control channel 411, and when the driving rod 43 slides and seals the inlet of the flow guide channel 4141, the control channel 411 is sealed.
The flow guide sleeve 414 is installed from the bottom of the valve body 1 and extends into the pressure relief cavity 3, the flow guide sleeve 414 is concentrically arranged with the inlet 1211 of the water outlet channel 121, the sealing element 413 slides outside the flow guide sleeve 414, the sealing element 413 comprises a fixed disc 4131 and a flexible ring pad 4132 arranged on the fixed disc 4131, the flexible ring pad 4132 comprises a sealing portion 4133 connected to the fixed disc 4131, the flexible ring pad 4132 further comprises a fixed portion 4134 connected to the valve body 1, the flexible ring pad 4132 further comprises a deformation ring portion 4135 connecting the fixed portion 4134 and the sealing portion 4133, the fixed disc 4131 is sleeved outside the flow guide sleeve 414 and can slide axially relative to the flow guide sleeve 414, and the fixed disc 4131 slides and drives the sealing portion 4133 to abut against the inlet 1211 of the water outlet channel 121 to seal the water outlet channel.
The upper end opening of the diversion sleeve 414 is communicated with the pressure relief cavity 3, the control end 433 of the transmission rod 43 extends into and slides in the diversion channel 4141, the control end 433 of the transmission rod 43 comprises two spaced sealing rings 431, when the transmission rod 43 slides, the sealing rings 431 are respectively positioned at the upper side and the lower side of the connection hole 4142, the transmission rod 43 slides to drive the sealing ring 431 at the upper side of the connection hole 4142 to block or communicate with the upper end opening of the diversion channel 4141, the transmission rod 43 and the inner wall of the diversion channel 4141 define a communication gap at a spacing, and the communication gap and the connection hole 4142 define the control channel 411 together.
In this embodiment, the stopping member 41 further includes a spring 415, the spring 415 is abutted between the upper chamber 21 and the fixed disk 4131, and the spring 415 can play a role of keeping the sealing portion 4133 abutted against the inlet 1211 of the water outlet channel 121.
The valve cover 2 comprises a guide block 22 arranged above the upper chamber 21, the guide block 22 comprises a guide channel 221 communicated with the pressure relief cavity 3, and the operating end 432 of the transmission rod 43 passes through the guide channel 221 and extends out of the valve cover 2.
The temperature control member 42 is a thermal bimetallic strip, the temperature control member 42 deforms and abuts to drive the transmission rod 43 to slide when approaching or being at a preset temperature, the temperature control member 42 is spaced apart from the manoeuvring end 432 of the transmission rod 43, the temperature control member 42 when undeformed arches in a direction away from the manoeuvring end 432 of the transmission rod 43, when the temperature control element 42 is at a predetermined temperature, the temperature control element 42 arches towards the actuating end 432 of the transmission rod 43 and pushes the transmission rod 43, whereupon the temperature control element 42 moves the transmission rod 43 from the initial position to the final position, when the temperature control assembly 4 is at the initial position, the water inlet passage 111 is communicated with the water outlet passage 121, and when the temperature control assembly is at the final position, the water inlet passage 111 is cut off from the water outlet passage 121, the positioning member 44 is further included, when the transmission member is in the final position, the positioning member 44 is positioned and engaged against the transmission rod 43.
In this embodiment, the predetermined temperature of the temperature control unit 42 is the freezing point temperature of water, and the temperature control stop valve 100 can play a role in preventing freezing, close upstream water inflow when being close to or at the freezing point, and avoid leakage when a downstream pipeline is frozen and cracked, thereby causing property loss.
Temperature control stop valve 100 is still including connecting a plurality of pillars 51 on the second mounting flange 23, pillar 51 extends along the direction of keeping away from second mounting flange 23, temperature control member 42 sets up as hot bimetallic strip the end of pillar 51, in this embodiment, temperature control member 42 is square structure, temperature control stop valve 100 is provided with 4 pillars 51 and connects respectively on 4 angles of temperature control member 42. In this embodiment, the temperature-controlled stop valve 100 includes two brackets 5, and the brackets 5 are respectively provided with two of the pillars 51.
The temperature control assembly 4 further comprises a first reset member 45, the first reset member 45 is connected with the transmission rod 43, when the transmission rod 43 is at the final position, the first reset member 45 accumulates a restoring force, one end of the first reset member 45 abuts against the valve cover 2, and the other end abuts against the manipulating end 432 of the transmission rod 43.
The temperature control assembly 4 further includes a second resetting member 46, the second resetting member 46 is connected to the positioning member 44, the second resetting member 46 drives the positioning member 44 to be positioned and clamped against the transmission rod 43, and the positioning member 44 is pressed to release the clamping. In this embodiment, the guide block 22 further includes a positioning channel 222 intersecting the guide channel 221, the positioning element 44 slides in the positioning channel 222, the second reset member 46 abuts between a bottom wall of the positioning channel 222 and the positioning element 44, the positioning element 44 further includes a locking hole 441, the transmission rod 43 passes through the locking hole 441, the transmission rod 43 is further provided with a ring groove 434, one side of the locking hole 441 close to the second reset member 46 is provided with a locking block 4411 capable of being inserted into the ring groove 434, one side of the locking hole 441 far from the second reset member 46 is provided with a ring wall surface 4412, an extension length of the ring wall surface 4412 along the axial direction of the transmission rod 43 is greater than an extension length of the ring groove 434 along the axial direction of the transmission rod 43, when the transmission rod 43 is at an initial position, the ring wall surface 4412 abuts against an outer wall of the transmission rod 43, when the transmission rod 43 is at a final position, the latch 4411 is pushed by the second restoring member 46 to be inserted into the annular groove 434, one end of the positioning member 44, which is away from the second restoring member 46, extends out of the positioning channel 222, when the positioning member 44 is pressed, the latch 4411 slides along with the positioning member 44 and is disconnected from the transmission rod 43, and at this time, the transmission rod 43 is restored to the initial position by the action of the first restoring member 45.
In the use process of the temperature control stop valve 100, when the ambient temperature is above the freezing point of water, the temperature control member 42 is arched upwards, and at this time, the water inlet channel 111 is communicated with the water outlet channel 121.
When the ambient temperature is close to or at the freezing point of water, the temperature control member 42 deforms and arches downward to push the transmission rod 43 to move from the initial position to the final position, the control end 433 of the transmission rod 43 slides in the flow guide channel 4141 and blocks the upper end opening of the flow guide channel 4141, at this time, the water source continuously flows into the pressure relief chamber 3 from the fine hole 412, the water pressure in the pressure relief chamber 3 gradually increases and pushes the sealing member 413 to move and block the inlet 1211 of the water outlet channel 121, the water inlet channel 111 and the water outlet channel 121 are blocked, when the transmission rod 43 is at the final position, the first resetting member 45 accumulates restoring force, and the positioning member 44 is driven by the second resetting member 46 to insert the clamping block 4411 into the annular groove 434.
When the environmental temperature is above the freezing point of water again, the temperature control member 42 deforms and arches upwards, the user presses the positioning member 44 and drives the fixture block 4411 of the positioning member 44 to be disconnected from the annular groove 434, the transmission rod 43 is reset to the initial position under the action of the restoring force of the first resetting member 45, the control end 433 of the transmission rod 43 slides to unblock the upper end opening of the flow guide channel 4141, at this time, water in the pressure relief cavity 3 flows into the water outlet channel 121 from the flow guide channel 4141 and the connecting hole 4142, the pressure relief cavity 3 relieves the pressure, and the sealing member 413 is pushed by the water pressure of the water inlet channel 111 to unblock the inlet 1211 of the water outlet channel 121.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (10)
1. A temperature-controlled shut-off valve, comprising:
a water inlet channel;
a water outlet channel;
the temperature control assembly comprises a stopping piece and a temperature control piece, the stopping piece is controlled to be communicated with the water inlet channel and the water outlet channel, the temperature control piece is in transmission connection with the stopping piece, and when the temperature control piece is close to or is at a preset temperature, the temperature control piece controls the stopping piece to stop the water inlet channel and the water outlet channel.
2. The temperature-controlled shut-off valve as defined in claim 1, wherein: the temperature control assembly further comprises a transmission rod, the transmission rod is in transmission connection between the temperature control piece and the stopping piece, and the temperature control piece pushes the transmission rod to move and controls the stopping piece in a transmission mode when approaching to or being at a preset temperature.
3. The temperature controlled shut-off valve of claim 2, wherein: the temperature control component drives the transmission rod to move from an initial position to a final position, when the temperature control component is located at the initial position, the water inlet channel is communicated with the water outlet channel, when the temperature control component is located at the final position, the water inlet channel is cut off from the water outlet channel, the temperature control component further comprises a positioning piece, and when the transmission component is located at the final position, the positioning piece is clamped and abutted to the transmission rod.
4. A temperature-controlled shut-off valve as defined in claim 3, wherein: the temperature control assembly further comprises a first reset piece, the first reset piece is connected with the transmission rod, and when the transmission rod is located at the final position, the first reset piece accumulates restoring force.
5. The temperature-controlled shut-off valve as defined in claim 4, wherein: the temperature control assembly further comprises a second reset piece, the second reset piece is connected with the positioning piece, the second reset piece drives the positioning piece to be positioned and clamped to the transmission rod, and the positioning piece is pressed to remove clamping.
6. The temperature controlled shut-off valve of claim 2, wherein: the temperature control piece is a thermal bimetallic strip, and the temperature control piece deforms and abuts to drive the transmission rod to slide when approaching or being at a preset temperature.
7. The temperature controlled shut-off valve of claim 6, wherein: the predetermined temperature of the temperature control member is the freezing point temperature of water.
8. A temperature controlled shut-off valve as defined in any of claims 2 to 7, wherein: still including the pressure release chamber that communicates inhalant canal and exhalant canal respectively, it receives the effect of pressure release intracavity water pressure and presses the shutoff to cut off the piece the entry of exhalant canal, cut off the piece still including the control channel that communicates the pressure release chamber and exhalant canal, the transfer line removes and controls the shutoff during the control channel, the pressure release chamber suppress the pressure and inhalant canal and exhalant canal cut off.
9. The temperature controlled shut-off valve of claim 8, wherein: the stop piece comprises a fine hole communicated with the water inlet channel and the pressure relief cavity, and the water outlet area of the control channel is larger than that of the fine hole.
10. The temperature controlled shut-off valve of claim 8, wherein: the stop piece comprises a sealing piece and a flow guide sleeve, the sealing piece is sleeved outside the flow guide sleeve and is pressed to block the inlet of the water outlet channel under the action of water pressure in the pressure relief cavity, the flow guide sleeve extends to form a flow guide channel, the transmission rod extends to slide in the flow guide channel, the flow guide sleeve is provided with a connecting hole for communicating the water outlet channel with the flow guide channel, the flow guide channel and the connecting hole define a control channel, and the transmission rod slides to block the inlet of the flow guide channel, so that the control channel is blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593491.7A CN114688294A (en) | 2020-12-29 | 2020-12-29 | Temperature control stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011593491.7A CN114688294A (en) | 2020-12-29 | 2020-12-29 | Temperature control stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114688294A true CN114688294A (en) | 2022-07-01 |
Family
ID=82132207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011593491.7A Pending CN114688294A (en) | 2020-12-29 | 2020-12-29 | Temperature control stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688294A (en) |
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2020
- 2020-12-29 CN CN202011593491.7A patent/CN114688294A/en active Pending
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| CN208871106U (en) * | 2017-11-16 | 2019-05-17 | 雷以辉 | Unidirectional Tem .-control stop valve group and the water heater hot-water circulatory system |
| CN207830651U (en) * | 2017-12-12 | 2018-09-07 | 宁波杰克龙精工有限公司 | A kind of multi-functional gas bleeder valve |
| CN215371075U (en) * | 2020-12-29 | 2021-12-31 | 路达(厦门)工业有限公司 | Temperature control stop valve |
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