Air conditioner temperature control valve

Abstract

The utility model belongs to the technical field of valves, and particularly relates to an air conditioner temperature control valve which comprises a valve body and an installation seat assembly arranged on the valve body, a lifting rod is arranged in the installation seat assembly in a sliding mode, the lower end of the lifting rod extends out of the installation seat assembly to be connected with a sealing gasket, a cavity is formed in the installation seat assembly, and a spring sleeved on the lifting rod is arranged in the cavity. A clamping spring abutting against the upper end of the spring is arranged at the upper end of the lifting rod, a first sealing ring and a second sealing ring are arranged between the lower end of the lifting rod and the installation base assembly, no sealing ring is arranged between the upper end of the lifting rod and the installation base assembly, and a ventilation gap communicating the cavity with the outside is formed between the upper end of the lifting rod and the installation base assembly. According to the utility model, the vertical movement of the clamp spring and the lifting rod can be prevented from being influenced, thereby effectively preventing the temperature control valve from losing efficacy.

Description

Technical field:

[0001] The utility model belongs to the technical field of valves, in particular to an air-conditioning temperature control valve. Background technology:

[0002] Ball valves and temperature control valves are usually used in air conditioning pipelines to regulate the flow of media.

[0003] Chinese utility model patent (publication number CN219472793U, application date 2023.03.13, publication date 2023.08.04) discloses an air-conditioning temperature-controlled ball valve, including a valve stem and a valve body, the valve body having a water inlet hole and a water outlet hole, characterized in that the axes of the water inlet hole and the water outlet hole are parallel and the water outlet hole is arranged lower than the water inlet hole, a water through hole penetrating to the water outlet hole is opened on the top of the valve body, the water inlet hole is connected to the water through hole, the valve body is provided with a ball core in the water inlet hole, the inner end of the valve stem is connected to the ball core, the outer end of the valve stem extends out of the side of the valve body and is fixedly connected with a handle, the valve body is in the through hole The orifice of the water hole is threadedly connected with a mounting seat, the top of the mounting seat is threadedly connected with a valve cap, a straight rod-shaped lifting rod is axially inserted into the mounting seat, the inner end of the lifting rod passing through the mounting seat is embedded with a sealing gasket, the inner wall of the water hole has a valve seat for the sealing gasket to contact and seal, the outer end of the lifting rod extends out of the valve cap, the lifting rod sleeve is provided with a spring located between the mounting seat and the valve cap, the lifting rod is also sleeved with a gasket and a sealing ring 1 located below the spring, the mounting seat has a step groove for accommodating the sealing ring 1, the upper end of the spring acts on the lifting rod to keep the lifting rod moving upward, the lower end of the spring contacts the gasket to keep the gasket squeezing the sealing ring. The lifting rod is embedded with a retaining spring for the upper end of the spring to contact, the lifting rod is covered with a cylindrical sleeve, the spring is located in the sleeve, the upper end of the sleeve has a circle of radially inwardly convex shoulder for the retaining spring to contact, the valve cap is embedded with a sealing ring 2 for the shoulder to contact through the step groove, and the lower end of the sleeve contacts the gasket.

[0004] The disadvantage of the above-mentioned air-conditioning temperature control ball valve is that due to the presence of sealing ring 1 and sealing ring 2, the chamber where the spring is located forms a closed chamber. As time goes by, when water seeps into the closed chamber and compresses the air in the sealed chamber, it will affect the up and down movement of the retaining spring, and then affect the up and down movement of the lifting rod. In severe cases, jamming will occur, causing the temperature control valve to fail. Summary of the invention:

[0005] The utility model aims to provide an air-conditioning temperature control valve, which can avoid affecting the up and down movement of the clamping spring and the lifting rod, thereby effectively preventing the temperature control valve from failing.

[0006] The utility model is achieved in this way:

[0007] An air conditioning temperature control valve comprises a valve body and a mounting seat assembly arranged on the valve body, a lifting rod is slidably provided inside the mounting seat assembly, the lower end of the lifting rod extends out of the mounting seat assembly to connect with a sealing gasket, a cavity is provided inside the mounting seat assembly, a spring sleeved on the lifting rod is provided in the cavity, a retaining spring is provided at the upper end of the lifting rod to abut against the upper end of the spring, a sealing ring 1 and a sealing ring 2 are provided between the lower end of the lifting rod and the mounting seat assembly, no sealing ring is provided between the upper end of the lifting rod and the mounting seat assembly, and a ventilation gap connecting the cavity and the outside is provided between the upper end of the lifting rod and the mounting seat assembly.

[0008] In the above-mentioned air-conditioning temperature control valve, the upper end of the lifting rod extends out of the mounting seat assembly to connect with the manual-automatic electric heating actuator.

[0009] In the above-mentioned air conditioning temperature control valve, the mounting seat assembly includes a mounting seat connected to the valve body and a plugging cap for sealing the lower end opening of the cavity, and the lower end of the lifting rod extends out of the plugging cap to connect with the sealing gasket.

[0010] In the above-mentioned air conditioning temperature control valve, an annular groove 1 and an annular groove 2 are provided in the mounting seat assembly at upper and lower intervals, the sealing ring 1 is arranged in the annular groove 1, and the sealing ring 2 is arranged in the annular groove 2.

[0011] In the above-mentioned air-conditioning temperature control valve, the annular groove 1 and the annular groove 2 are arranged on the blocking cap.

[0012] In the above-mentioned air-conditioning temperature control valve, a gasket is sleeved on the lower end of the lifting rod, the material of the sealing gasket is rubber, and the sealing gasket is injection-molded outside the gasket.

[0013] In the above-mentioned air conditioning temperature control valve, the rubber is nitrile rubber.

[0014] In the above-mentioned air conditioning temperature control valve, the sealing gasket includes a main body located below the gasket, an annular portion arranged around the outer periphery of the gasket, and a limiting portion located above the gasket, and the annular portion connects the main body and the limiting portion.

[0015] In the above-mentioned air conditioning temperature control valve, the valve body has a water inlet channel and a water outlet channel, a valve ball is arranged in the water outlet channel, the valve ball is connected to one end of the valve stem, and the other end of the valve stem extends out of the valve body to connect to the handle.

[0016] In the above-mentioned air-conditioning temperature control valve, the mounting seat assembly and the handle are located on the same side of the valve body, and the lifting rod is arranged parallel to the valve stem.

[0017] The outstanding advantages of the utility model compared with the prior art are:

[0018] 1. The utility model is provided with two sealing rings, sealing ring 1 and sealing ring 2, at the lower end of the lifting rod, which effectively prevents water in the valve body from entering the cavity from the gap between the lifting rod and the mounting seat assembly. At the same time, no sealing ring is provided between the upper end of the lifting rod and the mounting seat assembly. The cavity is not a closed chamber. Even if water penetrates into the cavity to squeeze the air in the cavity, the air in the cavity can flow out through the ventilation gap, thereby avoiding affecting the up and down movement of the retaining spring and the lifting rod, thereby effectively preventing the temperature control valve from failing.

[0019] 2. The lower end of the lifting rod of the utility model is provided with a gasket, the material of the gasket is rubber, and the gasket is injection molded outside the gasket, which effectively prevents the gasket and the gasket from vibrating relative to each other and reduces noise;

[0020] 3. The ball valve and the temperature control valve of the utility model are combined into one valve body, and there is no need to install the ball valve and the temperature control valve separately, which is easy to install, reduces installation costs, and effectively reduces leakage points. Description of the drawings:

[0021] Figure 1 It is a three-dimensional diagram of the utility model;

[0022] Figure 2 It is a cross-sectional view of the utility model.

[0023] Figure numerals: 1. valve body; 2. lifting rod; 3. sealing gasket; 31. main body; 32. annular portion; 33. limiting portion; 4. cavity; 5. spring; 6. retaining ring; 7. sealing ring 1; 8. sealing ring 2; 9. annular groove 1; 10. annular groove 2; 11. gasket; 12. valve ball; 13. valve stem; 14. handle; 15. mounting seat; 16. plugging cap. Specific implementation method:

[0024] The present invention is further described below with reference to specific embodiments. Figure 1 —2:

[0025] A temperature control valve for an air conditioner comprises a valve body 1 and a mounting seat assembly arranged on the valve body 1, a lifting rod 2 being slidably arranged inside the mounting seat assembly, the lower end of the lifting rod 2 extending out of the mounting seat assembly to connect with a sealing gasket 3, a cavity 4 being arranged inside the mounting seat assembly, a spring 5 being sleeved on the lifting rod 2 being arranged inside the cavity 4, a retaining spring 6 being arranged at the upper end of the lifting rod 2 to abut against the upper end of the spring 5, a sealing ring 1 7 and a sealing ring 2 8 being arranged between the lower end of the lifting rod 2 and the mounting seat assembly, no sealing ring being arranged between the upper end of the lifting rod 2 and the mounting seat assembly, and a ventilation gap connecting the cavity 4 and the outside being arranged between the upper end of the lifting rod 2 and the mounting seat assembly.

[0026] like Figure 1 , 2As shown, the utility model is provided with two sealing rings, sealing ring 1 7 and sealing ring 2 8, at the lower end of the lifting rod 2, which effectively prevent water in the valve body 1 from entering the cavity 4 from the gap between the lifting rod and the mounting seat assembly. At the same time, no sealing ring is provided between the upper end of the lifting rod 2 and the mounting seat assembly. The cavity 4 is not a closed chamber. Even if water penetrates into the cavity 4 and squeezes the air in the cavity 4, the air in the cavity 4 can also flow out through the ventilation gap, thereby avoiding affecting the up and down movement of the retaining spring 6 and the lifting rod 2, thereby effectively preventing the temperature control valve from failing.

[0027] Furthermore, the upper end of the lifting rod 2 extends out of the mounting seat assembly to connect with the manual-automatic electric heating actuator.

[0028] The structure of the mounting seat assembly: Figure 1 , 2 As shown, the mounting seat assembly includes a mounting seat 15 connected to the valve body 1 and a plugging cap 16 for blocking the lower end opening of the cavity 4 , and the lower end of the lifting rod 2 extends out of the plugging cap 16 to connect with the sealing gasket 3 .

[0029] In order to achieve a better sealing effect, an annular groove 1 9 and an annular groove 2 10 are provided at upper and lower intervals in the mounting seat assembly, the sealing ring 1 7 is arranged in the annular groove 1 9 , and the sealing ring 2 8 is arranged in the annular groove 2 10 .

[0030] Furthermore, the annular groove 1 9 and the annular groove 2 10 are arranged on the blocking cap 16 .

[0031] In order to prevent the gasket 11 and the sealing gasket 3 from vibrating relative to each other and reduce noise, as Figure 2 As shown, a gasket 11 is sleeved on the lower end of the lifting rod 2 , the sealing gasket 3 is made of rubber, and the sealing gasket 3 is injection molded outside the gasket 11 .

[0032] Furthermore, the rubber is nitrile rubber.

[0033] The installation process of the lifting rod 2, the sealing gasket 3 and the gasket 11 is as follows: the lifting rod 2 is inserted into the through holes of the gasket 1 and the sealing gasket 3 in sequence.

[0034] Structure of the sealing gasket 3: The sealing gasket 3 includes a main body 31 located below the gasket 11, an annular portion 32 arranged around the outer circumference of the gasket 11, and a limiting portion 33 located above the gasket 11, wherein the annular portion 32 connects the main body 31 and the limiting portion 33.

[0035] Furthermore, the limiting portion 33 is annular.

[0036] Furthermore, the valve body 1 has a water inlet channel and a water outlet channel, a valve ball 12 is arranged in the water outlet channel, the valve ball 12 is connected to one end of a valve stem 13, and the other end of the valve stem 13 extends out of the valve body 1 to connect to a handle 14. The ball valve and the temperature control valve of the utility model are combined into one valve body 1, and there is no need to install the ball valve and the temperature control valve separately, which is convenient for installation, reduces installation costs, and effectively reduces leakage points.

[0037] Furthermore, the mounting seat assembly and the handle 14 are located on the same side of the valve body 1, and the lifting rod 2 is arranged in parallel with the valve stem 13, which is convenient for wrapping the protective cotton outside the utility model.

[0038] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An air conditioning temperature control valve, comprising a valve body (1) and a mounting seat assembly arranged on the valve body (1), a lifting rod (2) being slidably arranged in the mounting seat assembly, the lower end of the lifting rod (2) extending out of the mounting seat assembly to connect with a sealing gasket (3), a cavity (4) being arranged in the mounting seat assembly, a spring (5) sleeved on the lifting rod (2) being arranged in the cavity (4), a retaining spring (6) being arranged at the upper end of the lifting rod (2) to abut against the upper end of the spring (5), characterized in that: A sealing ring 1 (7) and a sealing ring 2 (8) are provided between the lower end of the lifting rod (2) and the mounting seat assembly, no sealing ring is provided between the upper end of the lifting rod (2) and the mounting seat assembly, and a ventilation gap is provided between the upper end of the lifting rod (2) and the mounting seat assembly to connect the cavity (4) and the outside.

2. The air conditioning temperature control valve according to claim 1, characterized in that: The mounting seat assembly is provided with an annular groove 1 (9) and an annular groove 2 (10) at intervals in the upper and lower parts. The sealing ring 1 (7) is arranged in the annular groove 1 (9), and the sealing ring 2 (8) is arranged in the annular groove 2 (10).

3. The air conditioning temperature control valve according to claim 1, characterized in that: The lower end of the lifting rod (2) is sleeved with a gasket (11), the material of the sealing gasket (3) is rubber, and the sealing gasket (3) is injection-molded outside the gasket (11).

4. The air conditioning temperature control valve according to claim 3, characterized in that: The sealing gasket (3) comprises a main body (31) located below the gasket (11), an annular portion (32) arranged around the outer periphery of the gasket (11), and a limiting portion (33) located above the gasket (11), wherein the annular portion (32) connects the main body (31) and the limiting portion (33).

5. The air conditioning temperature control valve according to claim 1, characterized in that: The valve body (1) has a water inlet channel and a water outlet channel. A valve ball (12) is arranged in the water outlet channel. The valve ball (12) is connected to one end of a valve stem (13). The other end of the valve stem (13) extends out of the valve body (1) and is connected to a handle (14).

6. The air conditioning temperature control valve according to claim 5, characterized in that: The mounting seat assembly and the handle (14) are located on the same side of the valve body (1), and the lifting rod (2) and the valve stem (13) are arranged in parallel.

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