CN219975548U - Valve housing and electronic servo expansion valve - Google Patents
Valve housing and electronic servo expansion valve Download PDFInfo
- Publication number
- CN219975548U CN219975548U CN202223424714.4U CN202223424714U CN219975548U CN 219975548 U CN219975548 U CN 219975548U CN 202223424714 U CN202223424714 U CN 202223424714U CN 219975548 U CN219975548 U CN 219975548U
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- CN
- China
- Prior art keywords
- observation hole
- valve
- socket head
- sealing
- valve housing
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a valve casing, which comprises a casing, wherein a mounting cavity, an inlet and an outlet are formed in the casing, the inlet and the outlet are communicated with the mounting cavity, an observation hole is formed in the valve casing, a transparent sealing cover is mounted on the observation hole, the observation hole is positioned at the inlet, the observation hole is communicated with the mounting cavity, and the inlet, the outlet and the observation hole are parallel. The utility model also discloses an electronic servo expansion valve using the valve casing.
Description
Technical Field
The utility model relates to the field of valves, in particular to a valve casing and an electronic servo expansion valve.
Background
The electronic expansion valve is a valve commonly used at present, the structure of the electronic expansion valve is approximately as shown in patent publication CN217763999U, in the electronic expansion valve with the structure, since an observation hole is not formed in a valve shell, a valve core cannot be observed when moving in the valve shell, so that the expansion valve with the structure has a problem in the use process, the movement state of the valve core in the valve shell cannot be observed, the valve core is a key for controlling the water path on-off between an inlet and an outlet, and the movement state of the valve core cannot be observed, so that in many states, whether the valve core is in fault or foreign matter blockage cannot be judged when the valve core is blocked between the inlet and the outlet, and the follow-up maintenance is not facilitated.
Disclosure of Invention
The present utility model addresses the above-described problems by providing a valve housing and an electronic servo expansion valve.
The technical scheme adopted by the utility model is as follows:
the utility model provides a valve casing, includes the casing, install chamber, import and export have been seted up on the casing, import and export all with the state that the installation chamber is in the intercommunication, set up the observation hole on the valve casing, install transparent sealed lid on the observation hole, just the observation hole is located import department, the observation hole with the installation chamber is in the state of intercommunication, just import, export and observation hole all are in parallel state.
In this valve casing, offer the observation hole with the installation cavity intercommunication on the casing to installed transparent sealed lid on the observation hole, and because the observation hole is located import department, so can see through sealed lid and observe the state that the interior case of installation cavity is located import department, be convenient for in time distinguish the fault cause when the trouble takes place, in order to maintain fast.
In the valve casing, the observation hole is formed in the casing, and the transparent sealing cover is arranged on the observation hole, so that the state of the valve core in the casing can be conveniently observed outside the casing.
Optionally, the device further comprises a sealing gasket, wherein the sealing gasket is arranged in the observation hole, the sealing gasket is tightly attached to the sealing cover, and the sealing gasket is positioned between the mounting cavity and the sealing cover.
The sealing gasket is made of rubber, and the sealing gasket is used for sealing.
Optionally, the sealing cover further comprises an inner hexagon bolt, the outer wall of the inner hexagon bolt is cylindrical, threads are formed in the outer wall of the inner hexagon bolt, the holes of the inner hexagon bolt are through holes, threads are formed in the walls of the parts of the observation holes, the threads of the inner hexagon bolt are matched with the threads on the observation holes, and the inner hexagon bolt abuts against the sealing cover.
The inner hexagon bolt abuts against the tight sealing cover, and meanwhile, a user can observe the movement state of the valve core in the installation cavity outside the shell.
Optionally, the sealing washer and the inner hexagon bolt are respectively located at two sides of the sealing cover.
Optionally, the observation hole is a stepped observation hole, and the sealing gasket is disposed on the step.
Optionally, the sealing cover is a cake-shaped sealing cover.
Optionally, the shell is made of metal, the socket head cap bolt is made of plastic, and the sealing cover is made of glass.
The socket head cap bolts made of plastic materials are used for ensuring that destructive type dismantling is convenient to take when needed, for example, dismantling is carried out in an incineration mode, and a new socket head cap bolt needs to be replaced after dismantling in an incineration mode.
Optionally, the inlet is a circular inlet, and the outlet is a circular outlet.
Optionally, the diameter of the inlet is equal to the diameter of the outlet.
The diameter of the inlet is equal to that of the outlet, so that the stability of the whole expansion valve in operation can be ensured, and tremble in the working process is reduced.
In particular, in order to facilitate the installation of the housing where it is needed, two installation through holes are installed on the housing.
An electronic servo expansion valve comprising a valve housing as claimed in any one of the preceding claims.
The beneficial effects of the utility model are as follows: through seting up the observation hole on the casing to transparent sealed lid has been installed on the observation hole, the state of case in the casing is convenient for be surveyed in the casing outward appearance.
Description of the drawings:
figure 1 is a schematic and diagrammatic illustration of a valve housing,
figure 2 is a top view of the valve housing,
figure 3 is a cross-sectional view taken along the direction A-A in figure 2,
figure 4 is a cross-sectional view taken along the direction B-B in figure 2,
fig. 5 is an enlarged schematic diagram at C in fig. 4.
The reference numerals in the drawings are as follows: 1. a housing; 101. a mounting cavity; 102. an inlet; 103. an outlet; 104. mounting through holes; 105. an observation hole; 2. an inner hexagon bolt; 3. a sealing gasket; 4. sealing cover.
The specific embodiment is as follows:
the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a valve casing includes a casing 1, a mounting cavity 101, an inlet 102 and an outlet 103 are provided on the casing 1, the inlet 102 and the outlet 103 are all in a state of being communicated with the mounting cavity 101, an observation hole 105 is provided on the valve casing, a transparent sealing cover 4 is provided on the observation hole 105, the observation hole 105 is located at the inlet 102, the observation hole 105 is in a state of being communicated with the mounting cavity 101, and the inlet 102, the outlet 103 and the observation hole 105 are all in a parallel state.
In the valve casing, the observation hole 105 communicated with the installation cavity 101 is formed in the casing 1, the transparent sealing cover 4 is arranged on the observation hole 105, and the state that the valve core in the installation cavity 101 is positioned at the inlet 102 can be observed through the sealing cover 4 because the observation hole 105 is positioned at the inlet 102, so that the failure cause can be timely distinguished when the failure occurs, and the maintenance can be fast performed.
In this valve housing, the observation hole 105 is formed in the housing 1, and the transparent seal cover 4 is attached to the observation hole 105, so that the state of the valve element in the housing 1 can be easily seen from the outside of the housing 1.
As shown in fig. 1, 2, 3, 4 and 5, the sealing device further comprises a sealing gasket 3, wherein the sealing gasket 3 is arranged in the observation hole, the sealing gasket 3 is tightly covered with the sealing cover 4, and the sealing gasket 3 is positioned between the mounting cavity 101 and the sealing cover 4.
The seal gasket 3 is a rubber seal gasket 3, and the seal gasket 3 functions to seal.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the inner hexagon bolt 2 is further included, the outer wall of the inner hexagon bolt is cylindrical, threads are formed on the outer wall of the inner hexagon bolt 2, the hole of the inner hexagon bolt 2 is a through hole, threads are formed on the wall of a part of the hole of the observation hole 105, the threads of the inner hexagon bolt 2 are matched with the threads on the observation hole 105, and the inner hexagon bolt 2 abuts against the sealing cover 4.
The socket head cap 4 is abutted against the socket head cap 2, and the socket head cap 2 can ensure that a user can observe the movement state of the valve core in the installation cavity 101 outside the housing 1.
As shown in fig. 1, 2, 3, 4 and 5, the sealing washer 3 and the socket head cap bolt 2 are respectively located at both sides of the sealing cap 4.
As shown in fig. 1, 2, 3, 4 and 5, the observation hole 105 is a stepped observation hole 105, and the sealing gasket 3 is disposed on the step.
As shown in fig. 1, 2, 3, 4 and 5, the sealing cover 4 is a circular cake-shaped sealing cover 4.
As shown in fig. 1, 2, 3, 4 and 5, the housing 1 is a metal housing 1, the socket head cap bolts 2 are plastic socket head cap bolts 2, and the sealing cover 4 is a glass sealing cover 4.
The socket head cap bolts 2 made of plastic are used for ensuring that destructive disassembly is convenient to take when needed, for example, disassembly is performed in an incineration mode, and a new socket head cap bolt 2 needs to be replaced after disassembly in an incineration mode.
As shown in fig. 1, 2, 3, 4 and 5, the inlet 102 is a circular inlet 102 and the outlet 103 is a circular outlet 103.
As shown in fig. 1, 2, 3, 4 and 5, the diameter of the inlet 102 is equal to the diameter of the outlet 103.
The diameter of the inlet 102 is equal to that of the outlet 103, so that the stability of the whole expansion valve in operation can be ensured, and tremble in the working process is reduced.
Specifically, in order to facilitate the mounting of the housing 1 to a desired place, two mounting through holes 104 are mounted on the housing 1.
This embodiment also discloses an electronic servo expansion valve using the valve housing shown in fig. 1 to 5.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as applied to other related technical fields.
Claims (10)
1. The utility model provides a valve casing, includes the casing, install cavity, import and export have been seted up on the casing, import and export all with the state that the installation cavity is in the intercommunication, its characterized in that, set up the observation hole on the valve casing, install transparent sealed lid on the observation hole, just the observation hole is located import department, the observation hole with the state that the installation cavity is in the intercommunication, just import, export and observation hole all are in parallel state.
2. The valve housing of claim 1, further comprising a sealing gasket disposed within the viewing aperture and abutting the sealing cap, the sealing gasket being positioned between the mounting cavity and the sealing cap.
3. The valve housing of claim 2, further comprising a socket head cap screw, wherein the outer wall of the socket head cap screw is cylindrical, threads are provided on the outer wall of the socket head cap screw, the hole of the socket head cap screw is a through hole, threads are provided on a part of the hole wall of the observation hole, the threads of the socket head cap screw are matched with the threads on the observation hole, and the socket head cap screw abuts against the sealing cover.
4. A valve housing according to claim 3, wherein the sealing washer and the socket head cap bolt are located on either side of the sealing cap.
5. A valve housing according to claim 3, wherein the sight hole is a stepped sight hole and the sealing gasket is disposed on the step.
6. A valve housing according to claim 3, wherein the sealing cap is a pie-shaped sealing cap.
7. A valve housing according to claim 3, wherein the housing is a metal housing, the socket head cap is a plastic socket head cap, and the sealing cap is a glass sealing cap.
8. The valve housing of claim 1 wherein said inlet is a circular inlet and said outlet is a circular outlet.
9. The valve housing of claim 1, wherein the diameter of the inlet is equal to the diameter of the outlet.
10. An electronic servo expansion valve comprising a valve housing according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223424714.4U CN219975548U (en) | 2022-12-20 | 2022-12-20 | Valve housing and electronic servo expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223424714.4U CN219975548U (en) | 2022-12-20 | 2022-12-20 | Valve housing and electronic servo expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975548U true CN219975548U (en) | 2023-11-07 |
Family
ID=88596536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223424714.4U Active CN219975548U (en) | 2022-12-20 | 2022-12-20 | Valve housing and electronic servo expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975548U (en) |
-
2022
- 2022-12-20 CN CN202223424714.4U patent/CN219975548U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |