CN216242534U - High-precision bidirectional throttle valve assembly - Google Patents
High-precision bidirectional throttle valve assembly Download PDFInfo
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- CN216242534U CN216242534U CN202122793493.7U CN202122793493U CN216242534U CN 216242534 U CN216242534 U CN 216242534U CN 202122793493 U CN202122793493 U CN 202122793493U CN 216242534 U CN216242534 U CN 216242534U
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Abstract
The utility model discloses a high-precision bidirectional throttle valve assembly which comprises a valve body, a valve core, an opening A and an opening B, wherein the opening B is provided with a capillary tube, the valve core is of a magnetic structure, a spring is connected between one end of the valve core close to the opening A and the valve body, the valve body is provided with an electromagnet at the opening B, and the valve core moves towards the opening B when the electromagnet is electrified. When the air conditioner heats, the refrigerant flows from the port B to the port A, the electromagnet is electrified to enable the valve core to move towards the port B, and a capillary flow passage with the diameter smaller than that of the capillary tube is formed between the valve core and the bottom of the inner wall of the valve body, so that the air conditioner is suitable for heating with a higher compression ratio. When the air conditioner refrigerates, the refrigerant flows from the port A to the port B, the electromagnet is not electrified, the valve core is close to the port A under the action of the spring, the diameter of a flow passage at the bottom of the valve core and the inner wall of the valve body is increased, the compression ratio at the moment is reduced, and the air conditioner is suitable for the lower compression ratio of refrigeration. The bidirectional throttle valve component can realize the bidirectional throttle effect only by one valve body, can adapt to two states of refrigeration and heating, and has small volume and small installation space.
Description
Technical Field
The utility model belongs to the field of refrigeration, and particularly relates to a high-precision bidirectional throttle valve assembly.
Background
A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve is usually of a conical streamline shape, and the flow and pressure can be adjusted by changing the cross section of the channel. In the refrigerating system, a throttle valve is arranged between a low-pressure evaporator and a high-pressure condenser, and the throttle valve plays a role in throttling and adjusting flow.
Most of the existing two-way throttle valves are formed by integrating two one-way throttle valves, and the existing two-way throttle valves are larger in size and need a certain installation space compared with the one-way throttle valves. The existing air conditioner has both cooling and heating effects, and the compression ratio of heating operation is larger than that of cooling operation, so capillaries with different diameters are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-precision bidirectional throttling valve assembly, which can realize the bidirectional throttling effect only by one valve body, can adapt to two states of refrigeration and heating, and has small volume and small installation space.
In order to solve the technical problems, the utility model adopts the following technical scheme:
high-precision two-way throttle valve assembly, including valve body, case, A mouth and B mouth, the B mouth is equipped with the capillary, and the case is magnetic structure, and the case is close to being connected with the spring between the one end of A mouth and the valve body, and the valve body is equipped with the electro-magnet in B mouth department, and the case removes to B mouth when the electro-magnet circular telegram.
When the air conditioner heats, the refrigerant flows from the port B to the port A, the electromagnet is electrified to attract the magnetic valve core to move towards the port B, and a capillary flow passage with the diameter smaller than that of the capillary tube is formed between the valve core and the bottom of the inner wall of the valve body, so that the air conditioner is suitable for heating with a higher compression ratio. When the air conditioner refrigerates, the refrigerant flows from the port A to the port B, the electromagnet is not electrified, the valve core is close to the port A under the action of the spring, the diameter of a flow passage at the bottom of the valve core and the inner wall of the valve body is increased, the compression ratio at the moment is reduced, and the air conditioner is suitable for the lower compression ratio of refrigeration.
Furthermore, a limiting rod is arranged in the spring and fixed at the top of the inner wall of the valve body, and the valve core abuts against the limiting rod when being close to the opening A. The limiting rod is propped against the valve core, so that the diameter of the minimum flow passage between the valve core and the top of the inner wall of the valve body is limited.
Furthermore, the bottom of the inner wall of the valve body is provided with a limiting block, and the valve core is abutted against the limiting block when being close to the opening B. The limiting block prevents the valve core from completely blocking the capillary tube, and the diameter of the capillary flow passage is limited.
Furthermore, a support ring is arranged in the valve body, the valve core is placed in the support ring, and the support ring is provided with openings which are uniformly distributed. The supporting ring supports the valve core, the valve core moves horizontally in the supporting ring, and the refrigerant flows through the opening.
Furthermore, a sharp part is arranged on the valve core close to the opening B. The sharp part can reduce the area of the cross section of the flow passage and further improve the compression ratio.
Further, the tapered portion may extend into the capillary, the smallest diameter of the tapered portion being smaller than the diameter of the capillary. The sharp part extends into the capillary to form an annular flow passage, so that the compression ratio can be further improved.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
when the air conditioner heats, the refrigerant flows from the port B to the port A, the electromagnet is electrified to attract the magnetic valve core to move towards the port B, and a capillary flow passage with the diameter smaller than that of the capillary tube is formed between the valve core and the bottom of the inner wall of the valve body, so that the air conditioner is suitable for heating with a higher compression ratio. When the air conditioner refrigerates, the refrigerant flows from the port A to the port B, the electromagnet is not electrified, the valve core is close to the port A under the action of the spring, the diameter of a flow passage at the bottom of the valve core and the inner wall of the valve body is increased, the compression ratio at the moment is reduced, and the air conditioner is suitable for the lower compression ratio of refrigeration.
The limiting rod is propped against the valve core, so that the diameter of the minimum flow passage between the valve core and the top of the inner wall of the valve body is limited. The limiting block prevents the valve core from completely blocking the capillary tube, and the diameter of the capillary flow passage is limited. The limiting block prevents the valve core from completely blocking the capillary tube, and the diameter of the capillary flow passage is limited. The sharp part extends into the capillary to form an annular flow passage, so that the compression ratio can be further improved.
Drawings
The utility model is further illustrated below with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a high-precision bidirectional throttle valve assembly during air conditioning refrigeration;
fig. 2 is a schematic structural diagram of the high-precision bidirectional throttle valve assembly during air conditioner heating.
Detailed Description
High-precision two-way throttle valve assembly, including valve body 1, case 2, A mouth and B mouth, the B mouth is equipped with capillary 3, and case 2 is the magnetic structure, and case 2 is connected with spring 4 between being close to the one end of A mouth and the valve body 1, and valve body 1 is equipped with electro-magnet 5 in B mouth department.
Be equipped with gag lever post 6 in the spring 4, gag lever post 6 is fixed in the top of 1 inner walls of valve body, and case 2 offsets with gag lever post 6 when being close to A mouth. The limiting rod 6 is propped against the valve core 2, and the diameter of the minimum flow passage at the top of the inner walls of the valve core 2 and the valve body 1 is limited. The bottom of the inner wall of the valve body 1 is provided with a limiting block 7, and the valve core 2 is abutted against the limiting block 7 when being close to the opening B. The limiting block 7 prevents the valve core 2 from completely blocking the capillary tube 3, and limits the diameter of the capillary flow passage 8.
A supporting ring 9 is arranged in the valve body 1, the valve core 2 is placed in the supporting ring 9, and the supporting ring 9 is provided with openings 10 which are uniformly distributed. The support ring 9 supports the valve core 2, the valve core 2 moves horizontally in the support ring 9, and the refrigerant flows through the opening 10. The valve core 2 is provided with a sharp thin part 11 near the opening B, the thin part can extend into the capillary 3, and the minimum diameter of the sharp thin part 11 is smaller than that of the capillary 3. The sharp part 11 extends into the capillary 3 to form an annular flow passage, so that the compression ratio can be further improved.
As shown in figure 1, when the air conditioner refrigerates, refrigerant flows from the port A to the port B, the electromagnet 5 is not electrified, the valve core 2 is close to the port A in the support ring 9 under the action of the spring 4, the valve core 2 props against the limiting rod 6, the diameter of a flow passage between the valve core 2 and the bottom of the inner wall of the valve body 1 is large, the compression ratio is low, and the low-compression-ratio air conditioner is suitable for low-compression-ratio refrigeration.
As shown in figure 2, when the air conditioner heats, refrigerant flows from the port B to the port A, the electromagnet 5 is electrified to attract the magnetic valve core 2 to move towards the port B in the support ring 9, the valve core 2 props against the limiting block 7, a capillary flow passage 8 with the diameter smaller than that of the capillary tube 3 is formed between the valve core 2 and the bottom of the inner wall of the valve body 1, and a tapered part 11 at the bottom of the valve core 2 extends into the capillary tube 3 to form an annular flow passage, so that the compression ratio can be further improved, and the air conditioner is suitable for heating a higher compression ratio.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (6)
1. High-precision two-way throttle valve assembly, including valve body, case, A mouth and B mouth, B mouth is equipped with capillary, its characterized in that: the valve core is of a magnetic structure, a spring is connected between one end, close to the port A, of the valve core and the valve body, an electromagnet is arranged at the port B of the valve body, and the valve core moves towards the port B when the electromagnet is electrified.
2. The high-precision bi-directional throttle valve assembly of claim 1, wherein: and a limiting rod is arranged in the spring, the limiting rod is fixed at the top of the inner wall of the valve body, and the valve core is abutted against the limiting rod when being close to the port A.
3. The high-precision bi-directional throttle valve assembly of claim 1, wherein: and the bottom of the inner wall of the valve body is provided with a limiting block, and the valve core is abutted against the limiting block when being close to the opening B.
4. The high-precision bi-directional throttle valve assembly of claim 1, wherein: the valve body is internally provided with a support ring, the valve core is placed in the support ring, and the support ring is provided with openings which are uniformly distributed.
5. The high-precision bi-directional throttle valve assembly of claim 1, wherein: and a sharp part is arranged at the position of the valve core close to the opening B.
6. The high precision bi-directional throttle valve assembly of claim 5, wherein: the tapered portion may extend into the capillary, the smallest diameter of the tapered portion being smaller than the diameter of the capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793493.7U CN216242534U (en) | 2021-11-13 | 2021-11-13 | High-precision bidirectional throttle valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122793493.7U CN216242534U (en) | 2021-11-13 | 2021-11-13 | High-precision bidirectional throttle valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242534U true CN216242534U (en) | 2022-04-08 |
Family
ID=80941382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122793493.7U Active CN216242534U (en) | 2021-11-13 | 2021-11-13 | High-precision bidirectional throttle valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242534U (en) |
-
2021
- 2021-11-13 CN CN202122793493.7U patent/CN216242534U/en active Active
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