CN220452882U - High-sensitivity thermal expansion valve gas tank piece - Google Patents
High-sensitivity thermal expansion valve gas tank piece Download PDFInfo
- Publication number
- CN220452882U CN220452882U CN202321956608.2U CN202321956608U CN220452882U CN 220452882 U CN220452882 U CN 220452882U CN 202321956608 U CN202321956608 U CN 202321956608U CN 220452882 U CN220452882 U CN 220452882U
- Authority
- CN
- China
- Prior art keywords
- gas tank
- expansion valve
- thermal expansion
- air box
- diaphragm
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- 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.)
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- 238000010073 coating (rubber) Methods 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000035945 sensitivity Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a high-sensitivity thermal expansion valve air box piece which comprises an air box seat, an air box cover and a connecting hole, wherein the top of the air box seat is fixedly connected with the air box cover, a diaphragm sheet is clamped between the air box seat and the air box cover, the surface of the diaphragm sheet is coated with a rubber coating, the inner wall of the air box seat is provided with a fixing seat, the bottom of the fixing seat is provided with a threaded hole in a penetrating way, the internal thread of the threaded hole is connected with a thread column, and the bottom end of the thread column is fixedly connected with a mounting seat. According to the utility model, the air box seat, the air box cover, the diaphragm sheet, the rubber coating and the connecting hole are arranged, and the diaphragm sheet is made of flexible steel, so that the flexibility and the elasticity of the diaphragm sheet are improved, the diaphragm is prevented from being deformed due to stress, and the serious abrasion of the diaphragm is avoided by the arrangement of the rubber coating, so that the problems and the defects in the existing thermal expansion valve are solved.
Description
Technical Field
The utility model relates to the technical field of expansion valves, in particular to a high-sensitivity thermal expansion valve gas tank piece.
Background
A thermostatic expansion valve is an important component in a refrigeration system and is generally installed between a liquid storage cylinder and an evaporator, the expansion valve controls valve flow through superheat change at the tail end of the evaporator, and the thermostatic expansion valve generally comprises a working element, namely a diaphragm, and the diaphragm is clamped between a cover plate and a cover ring.
However, the existing diaphragm has a thin and fragile structure, is difficult to bear stress and is easy to deform, and the single thin diaphragm is easy to wear after long-term use, so that the service life of the thermal expansion valve is influenced.
In view of the above, the present utility model provides a high-sensitivity thermal expansion valve air box, which is made of flexible steel to improve flexibility and elasticity of the diaphragm, prevent the diaphragm from deformation due to stress, and avoid serious diaphragm abrasion by using a rubber coating.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a high-sensitivity thermal expansion valve air box.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high sensitivity thermal expansion valve gas tank spare, includes gas tank seat, gas tank lid and connecting hole, the top fixedly connected with gas tank lid of gas tank seat, the intermediate joint of gas tank seat and gas tank lid has the diaphragm, the surface coating of diaphragm has the rubber coating.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that a fixing seat is arranged on the inner wall of an air box seat, a threaded hole is formed in the bottom of the fixing seat in a penetrating mode, a threaded column is connected to the inner thread of the threaded hole, and a mounting seat is fixedly connected to the bottom end of the threaded column.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that the rubber coating is made of rubber paint and is attached to the top surface of the fixing seat.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that a pressure action chamber is arranged between the air box cover and the diaphragm.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that the top end of the air box cover is provided with a connecting hole in a penetrating mode, and a capillary tube is connected in the connecting hole in a penetrating mode.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that the bottom of the mounting seat is provided with the mounting groove in a penetrating mode, the mounting groove is internally provided with the fixing ring, and the inner surface of the fixing ring is sleeved with the upper end of the transmission rod.
As a further optimization of the technical scheme, the high-sensitivity thermal expansion valve air box is characterized in that the bottom end of the upper end of the transmission rod is provided with the lower end of the transmission rod, and the bottom end of the lower end of the transmission rod is fixedly connected with the valve core.
The utility model has the following beneficial effects:
according to the utility model, the air box seat, the air box cover, the diaphragm sheet, the rubber coating and the connecting hole are arranged, the diaphragm sheet is made of flexible steel, so that the flexibility and the elasticity of the diaphragm sheet are improved, the diaphragm sheet is prevented from being deformed due to bearing pressure and is easy to damage after being deformed for a long time, the rubber coating coated on the surface of the diaphragm sheet is utilized, the serious abrasion of the diaphragm sheet can be avoided, the service life of the thermal expansion valve is prolonged, and the problems and the defects in the existing thermal expansion valve are effectively solved.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic view of a partially enlarged structure of the present utility model;
fig. 3 is a schematic diagram of the structure at a in the present utility model.
In the figure: 1. an air box seat; 2. the gas tank cover; 3. a diaphragm sheet; 4. a fixing seat; 5. a rubber coating; 6. a threaded hole; 7. a connection hole; 8. a pressure action chamber; 9. a threaded column; 10. a mounting base; 11. a mounting groove; 12. a fixing ring; 13. the upper end of the transmission rod; 14. the lower end of the transmission rod; 15. and a valve core.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, one embodiment provided by the present utility model is: the utility model provides a high sensitivity thermal expansion valve gas tank spare, includes gas tank seat 1, gas tank lid 2 and connecting hole 7, the top fixedly connected with gas tank lid 2 of gas tank seat 1, the middle joint of gas tank seat 1 and gas tank lid 2 has diaphragm piece 3, the surface coating of diaphragm piece 3 has rubber coating 5, the inner wall of gas tank seat 1 is provided with fixing base 4, the bottom of fixing base 4 is run through and is provided with screw hole 6, the internal thread connection of screw hole 6 has screw column 9, the bottom fixedly connected with mount pad 10 of screw column 9, rubber coating 5 is made by rubber coating, rubber coating 5 is laminated with the top surface of fixing base 4, the centre of gas tank lid 2 and diaphragm piece 3 is provided with pressure action chamber 8, the top of gas tank lid 2 is run through and is provided with connecting hole 7, the inside of connecting hole 7 is run through and is connected with the capillary, the bottom of mount pad 10 is run through and is provided with mounting groove 11, the inside of mounting groove 11 is provided with retainer plate 12, the internal surface of retainer plate 12 has upper end 13 to cup joint, the bottom of transmission rod 14 has the transmission rod 13, the bottom end 14 is connected with the transmission rod 14.
Specifically, because the diaphragm 3 is made of flexible steel, the flexibility and elasticity of the diaphragm 3 are improved, so that the diaphragm 3 is prevented from deformation due to bearing pressure, the diaphragm is easy to damage after long-time deformation, the diaphragm 3 is prevented from being severely worn by the rubber coating 5 coated on the surface of the diaphragm 3, the service life of the thermal expansion valve is prolonged, and the problems and the defects of the existing thermal expansion valve are effectively solved.
Working principle: in the process of using the expansion valve gas tank, the diaphragm 3 is made of flexible steel, so that the flexibility and elasticity of the diaphragm 3 are improved, deformation of the diaphragm 3 due to bearing pressure is prevented, and serious abrasion of the diaphragm 3 can be avoided through the rubber coating 5 coated on the surface of the diaphragm 3.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a high sensitivity thermal expansion valve gas tank spare, includes gas tank seat (1), gas tank lid (2) and connecting hole (7), its characterized in that: the top fixedly connected with gas tank lid (2) of gas tank seat (1), the centre joint of gas tank seat (1) and gas tank lid (2) has diaphragm (3), the surface coating of diaphragm (3) has rubber coating (5).
2. A high sensitivity thermal expansion valve gas tank according to claim 1, wherein: the inner wall of air tank seat (1) is provided with fixing base (4), the bottom of fixing base (4) is run through and is provided with screw hole (6), the inside threaded connection of screw hole (6) has screw thread post (9), the bottom fixedly connected with mount pad (10) of screw thread post (9).
3. A high sensitivity thermal expansion valve gas tank according to claim 1, wherein: the rubber coating (5) is made of rubber paint, and the rubber coating (5) is attached to the top surface of the fixing seat (4).
4. A high sensitivity thermal expansion valve gas tank according to claim 1, wherein: a pressure action chamber (8) is arranged between the air box cover (2) and the diaphragm (3).
5. A high sensitivity thermal expansion valve gas tank according to claim 1, wherein: the top of the air box cover (2) is provided with a connecting hole (7) in a penetrating mode, and a capillary tube is connected in the connecting hole (7) in a penetrating mode.
6. A high sensitivity thermal expansion valve gas tank according to claim 2, wherein: the bottom of mount pad (10) runs through and is provided with mounting groove (11), the inside of mounting groove (11) is provided with retainer plate (12), the internal surface of retainer plate (12) has cup jointed transfer line upper end (13).
7. A high sensitivity thermal expansion valve gas tank according to claim 6, wherein: the bottom of transfer line upper end (13) is provided with transfer line lower extreme (14), the bottom fixedly connected with case (15) of transfer line lower extreme (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956608.2U CN220452882U (en) | 2023-07-25 | 2023-07-25 | High-sensitivity thermal expansion valve gas tank piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956608.2U CN220452882U (en) | 2023-07-25 | 2023-07-25 | High-sensitivity thermal expansion valve gas tank piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452882U true CN220452882U (en) | 2024-02-06 |
Family
ID=89727439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956608.2U Active CN220452882U (en) | 2023-07-25 | 2023-07-25 | High-sensitivity thermal expansion valve gas tank piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452882U (en) |
-
2023
- 2023-07-25 CN CN202321956608.2U patent/CN220452882U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |