Valve, heat pump assembly and vehicle

Abstract

The utility model relates to a valve, a heat pump assembly and a vehicle, the valve comprises a valve shell, a valve body, a pressing piece and an anti-loosening piece, the valve shell is provided with a mounting cavity, the lower end of the valve body is mounted in the mounting cavity, the pressing piece is fixedly connected to the valve shell and abuts against the upper end of the valve body, and the anti-loosening piece is mounted between the pressing piece and the upper end of the valve body, so that the valve body can be better fixed in the mounting cavity; and the valve is prevented from loosening and is convenient to mount and dismount.

Description

Technical Field

[0001] The present application relates to the field of new energy technologies, and particularly to a valve, a heat pump assembly, and a vehicle. Background Art

[0002] The current valve structure has a large external shape and volume, and the valve is prone to looseness, which is not convenient for installation and disassembly. Its operation stability and reliability are poor, the assembly structure is complex, and the product maintenance cost is high.

[0003] Combined with the characteristics of related technologies, it is deduced that there are technical problems in the existing technology that the valve is prone to looseness and is not convenient for installation and disassembly. Utility Model Content

[0004] An embodiment of the present application provides a valve, a heat pump assembly, and a vehicle, and a pressing member is provided to press against the upper end of the valve body, and a loosening prevention member is provided between the pressing member and the upper end of the valve body to at least partially solve the above technical problems.

[0005] To achieve the above object, according to the first aspect of the present application, a valve is provided, including:

[0006] A valve housing provided with an installation cavity,

[0007] A valve body, the lower end of the valve body is installed in the installation cavity;

[0008] A pressing member; and

[0009] A loosening prevention member;

[0010] Wherein, the pressing member is fixedly connected to the valve housing and presses against the upper end of the valve body, and the loosening prevention member is installed between the pressing member and the upper end of the valve body.

[0011] Optionally, the pressing member surrounds the upper end of the valve body and includes a fixing portion and a pressing portion connected to one end of the fixing portion. The fixing portion is fixedly connected to the valve housing and presses against the upper end of the valve body, and the loosening prevention member is installed between the pressing portion and the upper end of the valve body.

[0012] Optionally, the outer side of the fixing portion is threadedly connected to the cavity wall of the installation cavity of the valve housing.

[0013] Optionally, a pressing boss is provided on the inner side of the fixing portion, and the pressing boss presses against the upper end of the valve body.

[0014] Optionally, a receiving groove is provided on the inner side of the pressing portion to receive the loosening prevention member.

[0015] Optionally, the contour shape of the fixing portion is cylindrical, and the contour shape of the pressing portion is an external hexagon.

[0016] Optionally, the upper end of the valve body includes an upper end face and an abutting inclined surface that is inclined relative to the upper end face, and the anti-loosening member abuts against the abutting inclined surface.

[0017] Optionally, the cavity wall of the installation cavity is recessed to form a step surface, and the step surface is located below the connection part between the pressing member and the valve housing.

[0018] Optionally, in the radial direction of the installation cavity, the edge of the step surface close to the axis of the installation cavity extends beyond the connection part between the pressing member and the valve housing.

[0019] Optionally, it further includes a valve seat, and the valve seat is installed in the installation cavity and fixedly connected to the lower end of the valve body, wherein the valve seat abuts against the step surface.

[0020] According to a second aspect of the present application, there is provided a heat pump assembly including the valve as described in any one of the above embodiments.

[0021] According to a third aspect of the present application, there is provided a vehicle including the valve as described in any one of the above embodiments, or the heat pump assembly as described in any one of the above embodiments.

[0022] In the valve of the embodiment of the present application, the pressing member is fixedly connected to the valve housing and presses against the upper end of the valve body, and the anti-loosening member is installed between the pressing member and the upper end of the valve body, so that the valve body can be better fixed in the installation cavity, avoiding loosening of the valve, and facilitating installation and disassembly.

[0023] Other features and advantages of the present application will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application, and those skilled in the art can also obtain other drawings based on these drawings without creative efforts.

[0025] In order to more fully understand the present application and its beneficial effects, the following will be described in conjunction with the drawings, where the same reference numerals represent the same parts in the following description.

[0026] Figure 1 is a cross-sectional view of the valve provided in an exemplary embodiment of the present disclosure;

[0027] Figures 2A to 2D is a cross-sectional view of the pressing member in the valve provided in an exemplary embodiment of the present disclosure from different perspectives of the valve;

[0028] Figures 3A to 3B It is a schematic cross-sectional view of the anti-loosening part in the valve provided in the exemplary embodiment of the present disclosure from different perspectives of the valve;

[0029] Figures 4A to 4D It is a schematic cross-sectional view of the valve body in the valve provided in the exemplary embodiment of the present disclosure from different perspectives of the valve.

[0030] Description of reference numerals:

[0031] 1. Static iron core; 2. Pressing part; 3. Outer leakage sealing ring; 4. Valve seat; 5. Inner leakage sealing ring; 6. Iron core cover; 7. Upper spring; 8. Anti-loosening part; 9. Valve body; 10. Lower spring; 11. Moving iron core; 12. First channel; 13. Second channel; 14. Valve housing; 15. Valve core assembly. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application.

[0033] According to the first aspect of the present application, please refer to Figure 1 , Figures 2A to 2D , Figures 3A to 3B , Figures 4A to 4D , the valve provided by the present disclosure includes a valve housing 14, a valve body 9, a pressing part 2, and an anti-loosening part 8. The valve housing 14 is provided with an installation cavity. The lower end of the valve body 9 is installed in the installation cavity. The pressing part 2 is fixedly connected to the valve housing 14 and presses against the upper end of the valve body 9. The anti-loosening part 8 is installed between the pressing part 2 and the upper end of the valve body 9.

[0034] In this embodiment, the pressing part 2 is fixedly connected to the valve housing 14 and presses against the upper end of the valve body 9. The anti-loosening part 8 is installed between the pressing part 2 and the upper end of the valve body 9, so that the valve body 9 can be better fixed in the installation cavity, preventing the valve from loosening, and facilitating installation and disassembly, alleviating the technical problems in the prior art that the valve is prone to loosening and is not easy to install and disassemble.

[0035] In one embodiment, please refer to Figure 1 , Figure 2A , Figure 2B , Figure 2C , Figure 2D , the pressing part 2 surrounds the upper end of the valve body 9 and includes a fixing part and a pressing part connected to one end of the fixing part. The fixing part is fixedly connected to the valve housing 14 and presses against the upper end of the valve body 9. The anti-loosening part 8 is installed between the pressing part and the upper end of the valve body 9.

[0036] Among them, the fixing part and the pressing part are integrally formed.

[0037] Among them, the outer side wall of the fixing part away from the axis can be a roughened surface, and at least one groove or one protrusion is formed on the roughened surface.

[0038] Among them, the outer side wall of the pressing part away from the axis can be a plane.

[0039] Among them, the pressing member 2 and the valve housing 14 are threadedly connected.

[0040] In one embodiment, the outer side of the fixing part is threadedly connected to the cavity wall of the installation cavity of the valve housing 14.

[0041] Among them, the preparation material of the pressing member 2 can be aluminum alloy.

[0042] Among them, the pressing member 2 can be a rotary body structure, and the upper end is a hexagonal structure. The outer side wall of the pressing member 2 away from the axis is provided with a thread structure for threaded connection with the valve housing 14.

[0043] In one embodiment, please refer to Figure 1 , the inner side of the fixing part is provided with a pressing boss, and the pressing boss presses against the upper end of the valve body 9.

[0044] In one embodiment, please refer to Figure 1 , Figure 3A , Figure 3B , the inner side of the pressing part is provided with a receiving groove for receiving the anti-loosening member 8.

[0045] Among them, the anti-loosening member 8 can be pre-installed in the receiving groove on the inner side of the pressing part, and then the pressing member 2 and the valve housing 14 are threadedly connected.

[0046] Among them, the preparation material of the anti-loosening member 8 can be an elastic material.

[0047] Among them, the anti-loosening member 8 and the receiving groove can be in interference fit to fix the anti-loosening member 8 in the receiving groove.

[0048] Among them, the pressing member 2 is in contact with the side surface of the valve body 9 through the anti-loosening member 8 to prevent the threaded connection between the pressing member 2 and the valve housing 14 from loosening.

[0049] It can be understood that the anti-loosening member 8 plays a role in preventing loosening and isolating dust from the outside at the source, and plays a role in protecting the cleanliness of the entire system.

[0050] In one embodiment, the contour shape of the fixing part is cylindrical, and the contour shape of the pressing part is hexagonal.

[0051] In one embodiment, please refer to Figure 1 , Figure 4A , Figure 4B ,Figure 4C , Figure 4D , the upper end of the valve body 9 includes an upper end face and an abutting inclined surface inclined relative to the upper end face, and the anti-loosening member 8 abuts against the inclined surface.

[0052] In one embodiment, the cavity wall of the installation cavity is recessed to form a step surface, and the step surface is located below the connection part of the pressing member 2 and the valve housing 14.

[0053] It can be understood that the cavity wall of the installation cavity is recessed to form a step, and the step is used to accommodate debris, so that the debris generated during the threaded installation between the pressing member 2 and the valve housing 14 will not fall into the flow channel in the valve housing 14, improving the cleanliness of the main body flow channel.

[0054] In one embodiment, in the radial direction of the installation cavity, the edge of the step surface close to the axis of the installation cavity extends beyond the connection part of the pressing member 2 and the valve housing 14.

[0055] In one embodiment, please refer to Figure 1 , and further includes a valve seat 4. The valve seat 4 is installed in the installation cavity and fixedly connected to the lower end of the valve body 9. Among them, the valve seat 4 abuts against the step surface.

[0056] Among them, the valve body 9 and the valve seat 4 are connected by thread fitting.

[0057] Among them, there is a clearance fit between the bottom of the valve body 9 and the valve seat 4.

[0058] Among them, at least one first channel 12 is provided on the side wall of the valve seat 4, and the first channel 12 communicates with the installation cavity. A second channel 13 is provided at the middle position of the valve seat 4, and the second channel 13 communicates with the installation cavity.

[0059] In one embodiment, please refer to Figure 1 , and a core cover 6 is further provided. There is a clearance fit between the lower end of the core cover 6 and the valve body 9, and they are fixed by welding to form the upper part of the installation cavity.

[0060] Among them, the core cover 6 can be a magnetic isolation material.

[0061] Among them, a static iron core 1, an upper spring 7, and a moving iron core 11 are provided in the upper part of the valve cavity. The upper spring 7 can be made of a metal material. The upper spring 7 is installed in the spring holes of the moving iron core 11 and the static iron core 1, and the moving iron core 11 is located at the bottom of the upper spring 7.

[0062] Among them, the moving iron core 11 can be a magnetic conductive material, and the moving iron core 11 can be a rotary body structure.

[0063] Among them, the static iron core 1 is a rotary body structure, and the lower part is fixedly connected by interference fit and welding with the core cover 6.

[0064] It can be understood that when the coil is energized, the moving iron core 11 is driven to move up and down along the axis against the elastic force of the upper spring 7, thereby realizing the opening and closing function of the valve. At this time, the elastic force of the lower spring 10 acts as an auxiliary thrust force to realize the opening and closing of the valve.

[0065] It can be understood that when the coil is energized, the moving iron core 11 can overcome the force of the upper spring 7 and move up and down, driving the valve core assembly 15 to move up and down along the axis to realize the opening and closing functions of the second channel 13.

[0066] In one embodiment, please refer to Figure 1 , a recess is formed on the outer wall of one side of the valve body 9 away from the axis, and the recess is used to accommodate the external leakage sealing ring 3.

[0067] Wherein, the external leakage sealing ring 3 also abuts against the inner surface of the valve housing 14.

[0068] In one embodiment, please refer to Figure 1 , further comprising a lower spring 10, and the lower spring 10 is used to provide an auxiliary thrust force when the valve is opened.

[0069] Wherein, the preparation material of the lower spring 10 can be a metal material.

[0070] Wherein, the lower spring 10 abuts against the lower end surface of the valve body 9.

[0071] In one embodiment, please refer to Figure 1 , another recess is further formed on the outer wall of one side of the valve seat 4 away from the axis for accommodating the internal leakage sealing ring 5. The internal leakage sealing ring 5 is arranged in the another recess of the valve seat 4, and the internal leakage sealing ring 5 abuts against the valve housing 14.

[0072] Wherein, the external leakage sealing ring 3 and the internal leakage sealing ring 5 can both be of a return body structure.

[0073] Wherein, the external leakage sealing ring 3 and the internal leakage sealing ring 5 are respectively assembled on the valve body 9 and the valve seat 4, and cooperate with the valve housing 14 for sealing to isolate the first channel 12 and the second channel 13.

[0074] In one embodiment, the preparation material of the anti-loosening member 8 can be ethylene propylene diene monomer rubber.

[0075] Wherein, the anti-loosening member 8 can be of a rotary body structure.

[0076] According to the second aspect of the present application, there is provided a heat pump assembly including the valve as described in any one of the above embodiments.

[0077] According to the third aspect of the present application, there is provided a vehicle including the valve as described in any one of the above embodiments, or the heat pump assembly as described in any one of the above embodiments, or the suspension as described in the above embodiments.

[0078] The valve provided by this application includes a valve housing 14, a valve body 9, a pressing member 2, and a lock prevention member 8. The valve housing 14 is provided with an installation cavity. The lower end of the valve body 9 is installed in the installation cavity. The pressing member 2 is fixedly connected to the valve housing 14 and presses against the upper end of the valve body 9. The lock prevention member 8 is installed between the pressing member 2 and the upper end of the valve body 9, enabling the valve body 9 to be better fixed in the installation cavity, preventing the valve from loosening, and facilitating installation and disassembly.

[0079] The valve provided by this application may also have a valve body 9 provided with an abutting inclined surface for contacting the lock prevention member 8 to prevent the threaded connection between the pressing member 2 and the valve housing 14 from loosening. An installation cavity is formed in the valve body 9, and a threaded structure for connecting with a valve seat 4 is formed at the bottom of the valve body 9, so that after an abnormality occurs in the internal spool structure, it can be quickly disassembled, assembled, and repaired, making the disassembly and assembly more efficient and saving costs.

[0080] The threaded structure at the bottom of the valve body 9 of the valve provided by this application is in clearance fit with the valve seat 4 to prevent the valve body 9 and the valve seat 4 from being offset when the valve body 9 and the valve seat 4 are threadedly connected, resulting in difficulty in installing the external leakage sealing ring 3 on the valve body 9 and sealing failure.

[0081] In the description of this application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality" means two or more, unless otherwise specifically defined.

[0082] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0083] Among the embodiments, implementation manners, and related technical features of this application, they can be combined and replaced with each other without conflict.

[0084] The above are only the preferred embodiments of this application and do not impose any form of limitation on this application. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this application without departing from the content of the technical solution of this application still fall within the scope of the technical solution of this application.

Claims

1. A valve, characterized in that, Comprising: A valve housing provided with an installation cavity, A valve body, the lower end of which is installed in the installation cavity; A pressing member; And A lock prevention member; Wherein, the pressing member is fixedly connected to the valve housing and presses against the upper end of the valve body, and the lock prevention member is installed between the pressing member and the upper end of the valve body.

2. The valve according to claim 1, characterized in that, The pressing member surrounds the upper end of the valve body and includes a fixing portion and a pressing portion connected to one end of the fixing portion. The fixing portion is fixedly connected to the valve housing and presses against the upper end of the valve body, and the lock prevention member is installed between the pressing portion and the upper end of the valve body.

3. The valve according to claim 2, characterized in that, The outer side of the fixing portion is threadedly connected to the cavity wall of the installation cavity of the valve housing.

4. The valve according to claim 2, characterized in that, A pressing boss is provided on the inner side of the fixing portion, and the pressing boss presses against the upper end of the valve body.

5. The valve according to claim 2, characterized in that, A receiving groove is provided on the inner side of the pressing portion to receive the lock prevention member.

6. The valve according to claim 2, characterized in that, The contour shape of the fixing portion is cylindrical, and the contour shape of the pressing portion is hexagonal.

7. The valve according to claim 2, characterized in that, The upper end of the valve body includes an upper end surface and an abutting inclined surface inclined relative to the upper end surface, and the lock prevention member abuts against the abutting inclined surface.

8. The valve according to claim 1, characterized in that, The cavity wall of the installation cavity is recessed to form a stepped surface, and the stepped surface is located below the connection portion between the pressing member and the valve housing.

9. The valve according to claim 8, characterized in that, In the radial direction of the installation cavity, the edge of the stepped surface close to the axis of the installation cavity extends beyond the connection portion between the pressing member and the valve housing.

10. The valve according to claim 8, characterized in that, It further includes a valve seat, the valve seat is installed in the installation cavity and fixedly connected to the lower end of the valve body, wherein, the valve seat abuts against the stepped surface.

11. A heat pump assembly, characterized in that, [[ID=,16]]Comprising the valve according to any one of claims 1 to 10.

12. A vehicle, characterized in that, Comprising the valve according to any one of claims 1 to 10, or the heat pump assembly according to claim 11.

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