CN220206109U - Electronic expansion valve with insert sleeve - Google Patents
Electronic expansion valve with insert sleeve Download PDFInfo
- Publication number
- CN220206109U CN220206109U CN202321601187.1U CN202321601187U CN220206109U CN 220206109 U CN220206109 U CN 220206109U CN 202321601187 U CN202321601187 U CN 202321601187U CN 220206109 U CN220206109 U CN 220206109U
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- valve
- cavity
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- insert
- channel
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Lift Valve (AREA)
Abstract
The utility model discloses an electronic expansion valve with a bushing, which comprises a valve body, wherein a valve cavity is arranged in the valve body, and a first channel hole and a second channel hole are respectively arranged on the bottom surface and the side surface of the valve cavity; the lower end of the valve cavity is provided with a bushing setting groove, and the first passage hole is arranged in the bushing setting groove; the insert sleeve is arranged in the insert sleeve setting groove, and is provided with a valve hole for communicating with the first channel hole; the first channel pipe and the second channel pipe are respectively arranged on the bottom surface and the side surface of the valve body and are communicated with the valve cavity through the first channel hole and the second channel hole; the valve cover is arranged at the upper end of the valve body, and a valve cover cavity communicated with the valve cavity is arranged in the valve cover; the valve core assembly is arranged along the valve cover cavity and the valve cavity in a moving way, and a valve needle part matched with the valve hole is arranged at the lower end of the valve core assembly. According to the utility model, the valve body meets the requirements of different use scenes on the aperture of the valve hole of the electronic expansion valve by replacing the insert sleeve with the valve hole with different apertures, so that the production cost of manufacturers is reduced, and the production efficiency of the electronic expansion valve is improved.
Description
Technical Field
The utility model relates to the technical field of electronic expansion valves, in particular to an electronic expansion valve with a bushing.
Background
In some occasions with severe load variation or wider operating condition range, the traditional throttling elements (such as capillary tubes, thermal expansion valves and the like) cannot meet the requirements on comfort and energy conservation, and the electronic expansion valves are increasingly widely applied in combination with the compressor variable capacity technology. The electronic expansion valve is a throttling element capable of entering the refrigerating device according to a preset program, and the electronic expansion valve controls the voltage or current applied to the expansion valve by utilizing an electric signal generated by the adjusted parameters so as to achieve the purpose of adjusting the liquid supply amount.
The traditional electronic expansion valve can be combined with the coil to form an electronic expansion valve assembly, the electronic expansion valve comprises a valve body, a valve cover, a valve needle and a driving device, and the driving device can drive the valve needle to move according to the action of the matched coil so as to block or dredge a valve hole on the valve body. However, the valve bodies of electronic expansion valves in the market are all fixed valve hole structures, and the diameters of the valve holes are fixed, so that a plurality of valve bodies with different valve hole diameter specifications are produced according to the actual use needs of users, and the actual use needs of the users are met.
However, the production mode requires a manufacturer to be provided with a plurality of sets of dies, so that the production cost of the manufacturer is increased, and the production efficiency of the electronic expansion valve is reduced.
Therefore, there is an urgent need to improve the structure of the electronic expansion valve in the prior art, so as to reduce the production cost of manufacturers and improve the production efficiency of the electronic expansion valve.
Disclosure of Invention
The utility model aims to solve the technical problems of low production cost and low production efficiency caused by the adoption of a fixed caliber mode of the existing electronic expansion valve.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
an electronic expansion valve with a sleeve, comprising:
the valve body is internally provided with a valve cavity, and the bottom surface and the side surface of the valve cavity are respectively provided with a first channel hole and a second channel hole; the lower end of the valve cavity is provided with a bushing setting groove, and the first passage hole is arranged in the bushing setting groove;
the insert sleeve is arranged in the insert sleeve setting groove, a valve hole penetrating through the insert sleeve is formed in the insert sleeve, and the valve hole is communicated with the first channel hole;
the first channel pipe and the second channel pipe are respectively arranged on the bottom surface and the side surface of the valve body and are communicated with the valve cavity through the first channel hole and the second channel hole;
the valve cover is arranged at the upper end of the valve body, and a valve cover cavity communicated with the valve cavity is arranged in the valve cover;
the valve core assembly is arranged in the valve cavity and the valve cover cavity, and is arranged along the valve cover cavity and the valve cavity in a moving way, and the lower end of the valve core assembly is provided with a valve needle part matched with the valve hole.
In the above technical solution, preferably, the valve core assembly includes:
the valve needle is provided with an annular magnet at the upper end and threads at the side surface, and the valve needle part is arranged at the lower end of the valve needle;
the guide seat is arranged in the valve cavity, and a threaded hole matched with the thread is formed in the guide seat.
In the above technical solution, preferably, the insert sleeve setting groove is concavely set along the bottom surface of the valve cavity, and the inner diameter of the insert sleeve setting groove is smaller than the inner diameter of the valve cavity;
the insert comprises a supporting part and an insert body arranged on the bottom surface of the supporting part, the outer diameter of the supporting part is matched with the inner diameter of the valve cavity, and the outer diameter of the insert body is matched with the inner diameter of the insert setting groove.
In the above technical solution, preferably, the guide holder includes a guide holder supporting portion and a guide extension holder disposed on a bottom surface of the guide holder supporting portion, and the threaded hole is disposed in a center of the guide holder and penetrates through the guide holder supporting portion and the guide extension holder; the outer diameter of the guide extension seat is smaller than that of the guide seat supporting part;
the upper end of the valve cavity is provided with an opening and a diameter-expanding part communicated with the opening, the inner diameter of the diameter-expanding part is larger than that of the valve cavity, a guide seat supporting step is formed on the side surface of the diameter-expanding part and the valve cavity, and the guide seat supporting part is arranged on the top surface of the guide seat supporting step.
In the above technical scheme, preferably, the guide holder supporting step is provided with a guide holder limiting part protruding, the guide holder supporting part is provided with a limiting groove radially arranged along the guide holder supporting part, and the limiting groove is matched with the guide holder limiting part.
In the above technical solution, preferably, a first channel pipe groove is formed in a bottom surface of the valve body, a second channel pipe groove is formed in a side surface of the valve body, the first channel hole and the second channel hole are respectively formed in the first channel pipe groove and the second channel pipe groove, and the first channel pipe and the second channel pipe are respectively formed in the first channel pipe groove and the second channel pipe groove.
Compared with the prior art, the electronic expansion valve with the insert sleeve can change the flow of the valve cavity by changing the insert sleeve with different valve hole inner diameters, so that the adjustable flow range of the electronic expansion valve is adjusted, further, the use requirement of the electronic expansion valve on the maximum flow specification under different use scenes is met, valve bodies with different flow specifications are not required to be replaced, the cost of a pipeline is greatly reduced, the die opening quantity of manufacturers of the electronic expansion valve is reduced, the production cost of manufacturers is further reduced, and the production efficiency of the electronic expansion valve is improved.
Drawings
FIG. 1 is a perspective view of an electronic expansion valve with a trim according to the present utility model;
FIG. 2 is a schematic view showing the structural disassembly of an electronic expansion valve with a bushing according to the present utility model;
FIG. 3 is a schematic cross-sectional view of an electronic expansion valve with a trim according to the present utility model;
FIG. 4 is a schematic view of the structure of the valve body according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a valve body according to the present utility model;
fig. 6 is a schematic view of the structure of the insert according to the present utility model.
The correspondence between the names and the reference numerals of the respective components in fig. 1 to 6 is as follows:
the valve body 1, the insert 2, the first channel tube 3, the second channel tube 4, the valve cover 5, the valve needle 6, the guide seat 7,
the valve cavity 11, the first passage hole 12, the second passage hole 13, the insert sleeve setting groove 14, the first passage pipe groove 15, the second passage pipe groove 16, the opening 17, the expanded diameter portion 18,
the support part 21, the bushing body 22, the valve hole 23,
the valve cover cavity 51,
the annular magnet 61, the needle portion 62,
guide holder support 71, guide extension holder 72.
Detailed Description
The utility model provides an electronic expansion valve with a bushing, which can change the bushing with valve holes with different apertures to ensure that the valve body meets the requirements of different use scenes on the aperture of the valve hole of the electronic expansion valve, thereby reducing the production cost of manufacturers. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, the electronic expansion valve with the insert sleeve provided by the utility model comprises a valve body 1, an insert sleeve 2, a first channel pipe 3, a second channel pipe 4, a valve cover 5 and a valve core assembly.
The valve body 1 is internally provided with a valve cavity 11, and the bottom surface and the side surface of the valve cavity 11 are respectively provided with a first channel hole 12 and a second channel hole 13. The lower end of the valve chamber 11 is provided with a sleeve-setting groove 14, and the first passage hole 12 is provided in the sleeve-setting groove 14. The insert setting groove 14 is concavely arranged along the bottom surface of the valve cavity 11, the inner diameter of the insert setting groove 14 is smaller than the inner diameter of the valve cavity 11, and the side surface of the insert setting groove 14 and the bottom surface of the valve cavity 11 form an insert supporting step.
The insert 2 comprises a supporting portion 21 and an insert body 22, the insert body 22 is arranged on the bottom surface of the supporting portion 21, the outer diameter of the supporting portion 21 is matched with the inner diameter of the valve cavity 11, the outer diameter of the insert body 22 is matched with the inner diameter of the insert setting groove 14, a valve hole 23 is formed in the insert 2, the valve hole 23 penetrates through the supporting portion 21 and the insert body 22, the supporting portion 21 of the insert 2 is arranged on an insert supporting step, the insert body 22 is inserted into the insert setting groove 14, the insert 2 is installed in the valve cavity 11, and the valve hole 23 is communicated with the first channel hole 12.
The first channel pipe 3 and the second channel pipe 4 are respectively arranged on the bottom surface and the side surface of the valve body 1, the bottom surface and the side surface of the valve body 1 are respectively provided with a first channel pipe groove 15 and a second channel pipe groove 16, the first channel hole 12 and the second channel hole 13 are respectively arranged in the first channel pipe groove 15 and the second channel pipe groove 16, and the first channel pipe 3 and the second channel pipe 4 are respectively arranged in the first channel pipe groove 15 and the second channel pipe groove 16 and are communicated with the valve cavity 11 through the first channel hole 12 and the second channel hole 13.
The valve cover 5 is arranged at the upper end of the valve body 1, a valve cover cavity 51 is arranged in the valve cover 5, and the valve cover cavity 51 is arranged on the valve body 1 along with the valve cover 5 and communicated with the valve cavity 11.
The valve core assembly is arranged in the valve cavity 11 and the valve cover cavity 51 and can be arranged along the valve cover cavity 51 and the valve cavity 11 in a moving way.
Preferably, the valve core assembly comprises a valve needle 6 and a guide seat 7, wherein the upper end of the valve needle 6 is provided with a ring magnet 61, and the side surface of the valve needle 6 is provided with threads. The lower end of the valve needle 6 is provided with a valve needle portion 62, and the valve needle portion 6 is used for blocking or unblocking the valve hole 23 along with the up-and-down movement of the valve needle portion in the valve cavity 11.
The guide holder 7 is arranged in the valve cavity 11, the guide holder 7 comprises a guide holder supporting portion 71 and a guide extension holder 72, the guide extension holder 72 is arranged on the bottom surface of the guide holder supporting portion 71, a threaded hole 73 matched with threads is formed in the guide holder 7, the threaded hole 73 is arranged in the center of the guide holder 7, the guide holder supporting portion 71 and the guide extension holder 72 are penetrated, and the outer diameter of the guide extension holder 71 is smaller than that of the guide holder supporting portion 72.
The upper end of the valve cavity 11 is provided with an opening 17 and an expanded diameter part 18, the inner diameter of the expanded diameter part 18 is larger than the inner diameter of the valve cavity 11, the expanded diameter part 18 and the side surface of the valve cavity 11 form a guide seat supporting step, and the guide seat supporting part 71 is arranged on the top surface of the guide seat supporting step.
Preferably, the guide holder supporting step is provided with a guide holder limiting part (not shown in the figure) protruding, and the guide holder supporting part 71 is provided with a limiting groove (not shown in the figure) radially arranged along the guide holder supporting step, and the limiting groove is matched with the guide holder limiting part for limiting the rotation of the guide holder 7.
Compared with the prior art, when the electronic expansion valve with the insert sleeve is in actual use, a user can change the aperture of the valve hole of the electronic expansion valve by changing the insert sleeve in the valve cavity, so that the aperture requirements of different use scenes on the valve hole of the electronic expansion valve are met, the adjustable flow range of the electronic expansion valve is adjusted, valve bodies with different flow specifications are not required to be replaced, and the cost of a pipeline is greatly reduced; according to the utility model, a manufacturer does not need to set a plurality of dies according to the specification of the electronic expansion valve, so that the production cost of the manufacturer is reduced, and the production efficiency of the electronic expansion valve is improved.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (6)
1. An electronic expansion valve with a sleeve, comprising:
the valve body is internally provided with a valve cavity, and the bottom surface and the side surface of the valve cavity are respectively provided with a first channel hole and a second channel hole; the lower end of the valve cavity is provided with a bushing setting groove, and the first passage hole is arranged in the bushing setting groove;
the insert sleeve is arranged in the insert sleeve setting groove, a valve hole penetrating through the insert sleeve is formed in the insert sleeve, and the valve hole is communicated with the first channel hole;
the first channel pipe and the second channel pipe are respectively arranged on the bottom surface and the side surface of the valve body and are communicated with the valve cavity through the first channel hole and the second channel hole;
the valve cover is arranged at the upper end of the valve body, and a valve cover cavity communicated with the valve cavity is arranged in the valve cover;
the valve core assembly is arranged in the valve cavity and the valve cover cavity, and is arranged along the valve cover cavity and the valve cavity in a moving way, and the lower end of the valve core assembly is provided with a valve needle part matched with the valve hole.
2. The jacketed electronic expansion valve of claim 1, wherein the valve core assembly comprises:
the valve needle is provided with an annular magnet at the upper end and threads at the side surface, and the valve needle part is arranged at the lower end of the valve needle;
the guide seat is arranged in the valve cavity, and a threaded hole matched with the thread is formed in the guide seat.
3. The electronic expansion valve with insert according to claim 1, wherein the insert setting groove is concavely provided along a bottom surface of the valve chamber, and an inner diameter of the insert setting groove is smaller than an inner diameter of the valve chamber;
the insert comprises a supporting part and an insert body arranged on the bottom surface of the supporting part, the outer diameter of the supporting part is matched with the inner diameter of the valve cavity, and the outer diameter of the insert body is matched with the inner diameter of the insert setting groove.
4. The sleeved electronic expansion valve of claim 2, wherein said guide holder includes a guide holder support and a guide extension holder disposed on a bottom surface of said guide holder support, said threaded hole being disposed in a center of said guide holder, disposed through said guide holder support and said guide extension holder; the outer diameter of the guide extension seat is smaller than that of the guide seat supporting part;
the upper end of the valve cavity is provided with an opening and a diameter-expanding part communicated with the opening, the inner diameter of the diameter-expanding part is larger than that of the valve cavity, a guide seat supporting step is formed on the side surface of the diameter-expanding part and the valve cavity, and the guide seat supporting part is arranged on the top surface of the guide seat supporting step.
5. The electronic expansion valve with the insert bush according to claim 4, wherein a guide seat limiting part which is arranged in a protruding manner is arranged on the guide seat supporting step, a limiting groove which is arranged along the radial direction of the guide seat supporting part is arranged on the guide seat supporting part, and the limiting groove is matched with the guide seat limiting part.
6. The electronic expansion valve with the insert sleeve according to claim 1, wherein a first channel pipe groove is formed in the bottom surface of the valve body, a second channel pipe groove is formed in the side surface of the valve body, the first channel hole and the second channel hole are respectively formed in the first channel pipe groove and the second channel pipe groove, and the first channel pipe and the second channel pipe are respectively formed in the first channel pipe groove and the second channel pipe groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601187.1U CN220206109U (en) | 2023-06-21 | 2023-06-21 | Electronic expansion valve with insert sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601187.1U CN220206109U (en) | 2023-06-21 | 2023-06-21 | Electronic expansion valve with insert sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206109U true CN220206109U (en) | 2023-12-19 |
Family
ID=89144177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321601187.1U Active CN220206109U (en) | 2023-06-21 | 2023-06-21 | Electronic expansion valve with insert sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206109U (en) |
-
2023
- 2023-06-21 CN CN202321601187.1U patent/CN220206109U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |