CN220870089U - Pressure relief anti-freezing device - Google Patents
Pressure relief anti-freezing device Download PDFInfo
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- CN220870089U CN220870089U CN202322799692.8U CN202322799692U CN220870089U CN 220870089 U CN220870089 U CN 220870089U CN 202322799692 U CN202322799692 U CN 202322799692U CN 220870089 U CN220870089 U CN 220870089U
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- Prior art keywords
- valve core
- pressure relief
- pipeline
- shell
- pressure release
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- 238000007710 freezing Methods 0.000 title abstract description 9
- 239000008358 core component Substances 0.000 claims abstract description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a pressure relief and anti-freezing device, which comprises a shell, a valve core assembly and a manual pressure relief rod, wherein the shell is T-shaped, and a pressure relief channel is formed in the shell; the valve core component is arranged in the shell and used for controlling the on-off of the pressure relief channel; one end of the manual pressure release rod is arranged inside the shell and is propped against the valve core assembly, and one end far away from the valve core assembly is screwed with the port of the shell. The device has compact structure, convenient processing of parts and simple assembly. The valve core component can be used for controlling the on-off of the pressure release channel, so that the normal use of the kitchen plug-in under the normal working condition can be ensured, the pipeline pressure can be released under the low-temperature working condition, and the antifreezing effect is achieved. Meanwhile, the manual pressure release rod can be convenient for personnel to operate, actively release pressure, and ensure the safety of the waterway system.
Description
Technical Field
The utility model relates to the technical field of pressure relief and anti-freezing devices, in particular to a pressure relief and anti-freezing device.
Background
The pressure relief device can be automatically opened or closed when the upper limit of the working pressure of the system safety is reached, the working pressure is reduced, and the system safety is ensured.
The waterway system of the domestic aviation kitchen plug-in is not provided with a pressure relief device, when the ambient temperature is reduced to minus, water in the pipeline can expand in volume due to freezing, so that the nonmetallic adapter or the water pipe is cracked, and the kitchen compartment is leaked.
Therefore, how to ensure that the waterway system of the domestic aviation kitchen plug-in is not damaged becomes a problem to be solved by the technicians in the field.
Disclosure of utility model
The utility model aims to provide a pressure relief anti-freezing device, so as to solve the problems in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The pressure relief and antifreezing device comprises a shell which is T-shaped and is internally provided with a pressure relief channel;
The valve core component is arranged in the shell and used for controlling the on-off of the pressure relief channel;
One end of the manual pressure release rod is arranged inside the shell and is propped against the valve core assembly, and one end far away from the valve core assembly is screwed with the port of the shell.
In some embodiments, the housing comprises:
A first pipeline and a second pipeline;
one end of the second pipeline is communicated with the first pipeline, and the valve core assembly is arranged in the second pipeline;
one end of the manual pressure release rod, which is far away from the valve core component, is screwed with the port of the second pipeline.
In some embodiments, a groove is formed in the second pipeline;
The groove is arranged along the length direction of the second pipeline;
the valve core component is arranged in the groove.
In some embodiments, the valve cartridge assembly includes:
the base is fixedly arranged in the groove of the second pipeline, a through hole is formed in the base, and one end of the manual pressure release rod, which is far away from the port of the second pipeline, penetrates through the through hole;
And the end cover is arranged at one end of the second pipeline close to the first pipeline.
In some embodiments, the valve cartridge assembly includes:
One end of the valve core is arranged in the base and is propped against the manual pressure release rod;
the memory alloy spring is arranged at one end of the valve core, which is far away from the base, and is fixedly connected with the valve core.
In some embodiments, the end cap is provided with a second through hole through which the valve core and the memory alloy spring can move.
In some embodiments, a pressure relief port is provided at an end of the second conduit remote from the first conduit.
In some embodiments, an adjusting port is formed at an end of the manual pressure release lever, which is far away from the valve core, for manually adjusting the manual pressure release lever.
The beneficial effects of the utility model are as follows:
The utility model discloses a pressure relief anti-freezing device, which comprises a shell, wherein the shell is T-shaped, and a pressure relief channel is formed in the shell; the valve core component is arranged in the shell and used for controlling the on-off of the pressure relief channel; one end of the manual pressure release rod is arranged inside the shell and is propped against the valve core assembly, and one end far away from the valve core assembly is screwed with the port of the shell. The device has compact structure, convenient processing of parts and simple assembly. The valve core component can be used for controlling the on-off of the pressure release channel, so that the normal use of the kitchen plug-in under the normal working condition can be ensured, the pipeline pressure can be released under the low-temperature working condition, and the antifreezing effect is achieved. Meanwhile, the manual pressure release rod can be convenient for personnel to operate, actively release pressure, and ensure the safety of the waterway system.
Drawings
FIG. 1 is a schematic diagram of a pressure relief freeze-proofing device according to the present utility model;
FIG. 2 is a schematic diagram of a valve core assembly of the pressure relief freeze-proofing device of the present utility model;
FIG. 3 is a schematic view of a pressure relief freeze protection device according to the present utility model in a non-pressure relief state;
FIG. 4 is a schematic view of the structure of the pressure relief freeze protection device in an automatic pressure relief state;
Fig. 5 is a schematic structural diagram of the pressure relief and freeze protection device in a manual pressure relief state.
In the drawings, 100, a housing; 110. a valve core assembly; 120. a manual pressure release lever; 130. a first pipeline; 140. a second pipeline; 150. a base; 160. an end cap; 170. a valve core; 180. a memory alloy spring; 190. and a pressure relief port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. In the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axis," "circumferential," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "engaged," "hinged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," "one particular embodiment," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, 2, 3, 4 and 5, the pressure relief and freeze protection device includes a housing 100, a valve core assembly 110 and a manual pressure relief lever 120, wherein the housing 100 is in a T shape, and a pressure relief channel is formed therein. The valve core assembly 110 is disposed in the housing 100 and is used for controlling the on-off of the pressure release channel. One end of the manual pressure release lever 120 is arranged inside the shell 100, is abutted against the valve core assembly 110, and one end far away from the valve core assembly 110 is in screwed connection with a port of the shell 100. The device has compact structure, convenient processing of parts and simple assembly. The valve core assembly 110 can be stretched to control the on-off of the pressure release channel, so that the normal use of the kitchen plug-in under the normal working condition can be ensured, the pipeline pressure can be released under the low-temperature working condition, and the antifreezing effect can be achieved. Meanwhile, the manual pressure release lever 120 can be operated by personnel conveniently, and the pressure is released actively, so that the safety of the waterway system is ensured.
In some embodiments, the housing 100 includes a first conduit 130 and a second conduit 140. One end of the second pipe 140 communicates with the first pipe 130, and the valve core assembly 110 is disposed inside the second pipe 140. One end of manual relief lever 120 remote from valve element assembly 110 is screwed into a port of second conduit 140.
In some embodiments, a groove is provided in the second conduit 140. The grooves are disposed along the length of the second pipe 140. The valve core assembly 110 is disposed within the recess.
In some embodiments, the valve core assembly 110 includes a base 150 fixedly disposed in a groove of the second pipeline 140, the base 150 is provided with a through hole, and an end of the manual pressure release lever 120 away from the port of the second pipeline 140 penetrates through the through hole. An end cap 160 is disposed at an end of the second conduit 140 adjacent the first conduit 130.
In some embodiments, the valve core assembly 110 includes a valve core 170 having one end disposed within the base 150 that abuts the manual relief lever 120. The memory alloy spring 180 is disposed at one end of the valve core 170 away from the base, and is fixedly connected with the valve core 170.
In some embodiments, the end cap 160 is provided with a second through hole through which the valve core 170 and the memory alloy spring 180 can move.
In some embodiments, a pressure relief vent is provided at an end of the second conduit 140 remote from the first conduit 130.
In some embodiments, an adjustment port is provided at an end of the manual pressure release lever 120 remote from the valve spool 170 for manually adjusting the manual pressure release lever 120.
In the present utility model, the valve core 170 and the memory alloy spring 180 may be integrally connected together and placed between the end cap 160 of the valve core 170 and the base 150 of the valve core 170, and the valve core 170 and the memory alloy spring 180 may be axially moved through the end cap 160 of the valve core 170. The end cap 160 of the valve core 170 and the base 160 of the valve core 170 are placed in the groove of the housing 100 and fixed by using a snap spring. The manual pressure release rod 120 is in threaded connection with the housing 100, one end of the manual pressure release rod is attached to the valve core 170, and the length of the manual pressure release rod 120 entering the housing 100 can be adjusted through manual rotation, so that the valve core 170 is pushed to axially move. The outer end of the manual pressure release lever 120 is provided with a straight adjusting port, so that a screwdriver or a coin and other tools can be conveniently used for rotating.
Here, it should be noted that the memory alloy spring 180 has the following properties: when the temperature is normal room temperature, the spring is in a stretched state, and when the temperature is reduced to 5 ℃, the spring is in a compressed state. The memory alloy spring 180 is not affected by the environment or atmosphere other than the temperature, and stretches only with the change of the temperature. The temperature of 5 ℃ is only data for convenient explanation, and the action temperature of the memory alloy spring 180 can be set according to the requirement in actual use.
The pressure relief and antifreezing device has three working states, and is specifically as follows:
When the ambient temperature is room temperature, the kitchen insert is in a normal operating state. The memory alloy spring 180 is in a stretched state, so that the valve core 170 is pressed against the base 150, and the water inlet of the waterway directly passes through the housing 100 without outflow through the pressure relief port.
When the ambient temperature is reduced to 5 ℃, the memory alloy spring 180 is in a compressed state, the valve core 170 is driven to move leftwards, the pressure release channel is opened, water in the waterway of the kitchen plug-in can be discharged through the pressure release opening, and the risk of icing and expanding accumulated water in the pipeline and expanding the non-metal adapter or the water pipe when the temperature is lower than 0 ℃ is avoided.
When the aircraft is not used for a long time, the water in the kitchen plug-in waterway can be discharged through manual pressure relief. The manual pressure release rod 120 is rotated by using a tool to move towards the direction of the valve core 170, the manual pressure release rod 120 pushes the valve core to move, a pressure release channel is opened, water in a waterway of the kitchen plug-in can be discharged through a pressure release opening, and after pressure release is completed, the manual pressure release rod 120 is rotated to an initial position by using the tool. The risk of icing and expanding accumulated water in the pipeline when the temperature is lower than 0 ℃ and cracking the nonmetallic adapter or the water pipe is avoided.
Generally, the pressure relief vent can be provided with a hose, so that the discharged water can be conveniently placed in a kitchen sink or other safe positions.
By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:
The utility model discloses a pressure relief and anti-freezing device, which comprises a shell 100, wherein the shell is T-shaped, and a pressure relief channel is formed in the shell. The valve core assembly 110 is arranged in the shell 100 and is used for controlling the on-off of the pressure relief channel; one end of the manual pressure release lever 120 is arranged inside the shell 100, is abutted against the valve core assembly 110, and one end far away from the valve core assembly 11 is in screwed connection with a port of the shell 100. The device has compact structure, convenient processing of parts and simple assembly. The valve core assembly 110 can be stretched to control the on-off of the pressure release channel, so that the normal use of the kitchen plug-in under the normal working condition can be ensured, the pipeline pressure can be released under the low-temperature working condition, and the antifreezing effect can be achieved. Meanwhile, the manual pressure release lever 120 can be operated by personnel conveniently, and the pressure is released actively, so that the safety of the waterway system is ensured.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.
Claims (8)
1. A pressure relief freeze protection device comprising:
The shell is T-shaped, and a pressure relief channel is formed in the shell;
The valve core component is arranged in the shell and used for controlling the on-off of the pressure relief channel;
One end of the manual pressure release rod is arranged inside the shell and is propped against the valve core assembly, and one end far away from the valve core assembly is in screwed connection with the port of the shell.
2. The pressure relief freeze protection device of claim 1, wherein the housing comprises:
A first pipeline and a second pipeline;
one end of the second pipeline is communicated with the first pipeline, and the valve core assembly is arranged inside the second pipeline;
and one end of the manual pressure release rod, which is far away from the valve core assembly, is screwed with the port of the second pipeline.
3. The pressure relief freeze protection device of claim 2, wherein,
A groove is formed in the second pipeline;
The groove is arranged along the length direction of the second pipeline;
The valve core component is arranged in the groove.
4. The pressure relief freeze apparatus of claim 3 wherein the valve cartridge assembly comprises:
The base is fixedly arranged in the groove of the second pipeline, a through hole is formed in the base, and one end, away from the port of the second pipeline, of the manual pressure release rod penetrates through the through hole;
And the end cover is arranged at one end, close to the first pipeline, of the second pipeline.
5. The pressure relief freeze protection device of claim 4, wherein the valve cartridge assembly comprises:
One end of the valve core is arranged in the base and is abutted with the manual pressure release rod;
The memory alloy spring is arranged at one end of the valve core, which is far away from the base, and is fixedly connected with the valve core.
6. The pressure relief freeze protection device of claim 5, wherein,
The end cover is provided with a second through hole, and the valve core and the memory alloy spring can move through the second through hole.
7. The pressure relief freeze protection device of claim 6, wherein,
And one end of the second pipeline, which is far away from the first pipeline, is provided with a pressure relief opening.
8. The pressure relief freeze protection device of claim 6, wherein,
And an adjusting port is formed in one end, far away from the valve core, of the manual pressure release rod and is used for manually adjusting the manual pressure release rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322799692.8U CN220870089U (en) | 2023-10-18 | 2023-10-18 | Pressure relief anti-freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322799692.8U CN220870089U (en) | 2023-10-18 | 2023-10-18 | Pressure relief anti-freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870089U true CN220870089U (en) | 2024-04-30 |
Family
ID=90809666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322799692.8U Active CN220870089U (en) | 2023-10-18 | 2023-10-18 | Pressure relief anti-freezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870089U (en) |
-
2023
- 2023-10-18 CN CN202322799692.8U patent/CN220870089U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |