Corrosion-resistant warm air water valve of automobile

By combining a micro-motor driven gear system with an anti-corrosion layer, the friction, wear, and corrosion problems of electrically controlled heating water valves are solved, thereby improving the service life and switching speed of the valve body.

CN224229328UActive Publication Date: 2026-05-12HUBEI SHANGONG JINGJI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI SHANGONG JINGJI TECH CO LTD
Filing Date
2023-08-01
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Traditional electrically controlled heater valves have high frictional resistance between the rotating piston and the valve body during operation, which makes them prone to wear, affecting the opening and closing speed. Furthermore, the valve cannot effectively protect the inner wall of the valve body from corrosion, thus shortening its service life.

Method used

A micro motor drives a gear system to control the opening or closing of the valve, combined with an anti-corrosion coating on the inner wall of the valve body and a waterproof rubber gasket to reduce friction and prevent corrosion.

Benefits of technology

It achieves low-friction, corrosion-resistant valve operation, extends the service life of the valve body, and improves switching speed and durability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224229328U_ABST
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Abstract

The utility model relates to the technical field of automobile water valves, in particular to an automobile corrosion-resistant warm air water valve which comprises a controller upper shell and a controller plug-in, the controller plug-in is arranged on one side of the controller upper shell in an embedded mode, a controller lower shell is arranged below the controller upper shell, and a valve body is fixedly installed on the bottom face of the controller lower shell. A gear box is arranged in the valve body, and a micro motor is arranged in the valve body; according to the device, a controller is arranged to start a micro motor, so that a rotating shaft of the micro motor drives a gear to rotate, a reduction gear is driven to rotate under the control of the micro motor, a valve rotates to a certain direction according to an instruction of a trip computer, and a closing or opening mode of a first water outlet, a second water outlet and a third water outlet can be opened; when the water inlet mode is opened, the water inlet automatically connects a water path, and the valve can be opened or closed under the control of a trip computer, so that the condition that the rotary piston is high in friction resistance with the interior of the valve body during working and is easy to wear is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of automotive water valve technology, specifically to an automotive corrosion-resistant heater water valve. Background Technology

[0002] Currently, automotive water temperature control valves are generally mechanically controlled, vacuum-type, and electromagnetically controlled. This control valve is a device that uses a micro motor with a reduction gear to rotate and control the direction of the valve opening or closing. This technology is a valve in the automotive thermal management system that uses the cooling water of the automotive engine to provide a heat source for the heating of the vehicle interior, thereby realizing the control of the vehicle's heating system.

[0003] Traditional electric heating water valves use a rotating piston inside the valve body. When the rotating piston is working, the frictional resistance between the rotating piston and the inside of the valve body is large, which makes it easy to wear and has a short service life. After the rotating piston wears out, it affects the opening and closing speed of the heating water valve.

[0004] The water valve cannot effectively protect the valve body from corrosion caused by water flow, which greatly reduces the service life of the valve body and results in poor performance.

[0005] To address this issue, we propose a corrosion-resistant automotive heater valve to solve the problems of the aforementioned electronically controlled heater valve, which uses a rotating piston within the valve body. This piston experiences significant frictional resistance during operation, leading to wear and affecting the valve's opening and closing speed. Consequently, the valve fails to adequately protect against water corrosion, greatly reducing its lifespan and resulting in poor performance. Utility Model Content

[0006] The purpose of this utility model is to provide a corrosion-resistant automotive heater water valve to solve the problems mentioned in the background art, which are that the valve body of the electronically controlled heater water valve uses a rotating piston, which has large frictional resistance with the inside of the valve body during operation, is easy to wear, affects the opening and closing speed of the heater water valve, and the water valve cannot effectively protect the water flow from corrosion inside the valve body, greatly reducing the service life of the valve body and resulting in poor performance.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a corrosion-resistant automotive heater valve, comprising a controller upper shell and a controller plug, wherein the controller plug is embedded in one side of the controller upper shell;

[0008] Below the upper housing of the controller is a lower housing of the controller. A valve body is fixedly installed on the bottom surface of the lower housing of the controller. A gearbox is installed inside the valve body, and a micro motor is installed inside the valve body.

[0009] Preferably, the controller is fixed inside the upper and lower housings of the controller, and the controller plug is connected to the controller.

[0010] Preferably, a water outlet one is fixedly installed on the left side of the valve body, a water outlet two is fixedly installed on the right side of the valve body, and a water outlet three is fixedly installed at the front end of the valve body.

[0011] Preferably, each of the three outlets is equipped with a valve, and an inlet is fixedly installed at the rear end of the valve body.

[0012] Preferably, mounting brackets are fixedly installed at the four corners of the outer surface of the valve body, and mounting holes are provided on the upper surface of the mounting brackets.

[0013] Preferably, a gear is fixedly installed at the output end of the micro motor, and the gear is configured to cooperate with a gearbox.

[0014] Preferably, the inner wall of the valve body is coated with an anti-corrosion layer, the coating of which contains an anti-corrosion agent, and the outer surface of the anti-corrosion layer is provided with a waterproof rubber gasket.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This type of automotive corrosion-resistant heater valve can be activated by a controller to start a micro motor, which drives the gear to rotate. Under the control of the micro motor, the reduction gear rotates in a certain direction. The valve rotates to a certain direction according to the instructions of the vehicle computer, which can open or close the three outlets. When the water inlet mode is opened, the water inlet will automatically connect the water circuit. Under the control of the vehicle computer, it can be opened or closed, avoiding the situation where the rotating piston has high frictional resistance with the inside of the valve body during operation, which can easily cause wear.

[0017] 2. Secondly, this type of automotive corrosion-resistant heater valve can be directly coated on the inner wall of the valve body by setting an anti-corrosion layer. The anti-corrosion layer has higher corrosion resistance and is suitable for corrosive environments. In addition, the waterproof rubber pad set on the outer surface can isolate water flow and prevent water flow from impacting the anti-corrosion layer, making the anti-corrosion layer more durable and maintaining a long-term anti-corrosion effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall top view structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the valve body of this utility model;

[0021] Figure 4 This is an enlarged structural schematic diagram of point A of this utility model;

[0022] In the diagram: 1. Controller upper shell; 2. Controller plug-in; 3. Controller lower shell; 4. Valve body; 401. Outlet 1; 402. Outlet 2; 403. Outlet 3; 404. Inlet; 5. Gearbox; 6. Micro motor; 601. Gear; 7. Bracket; 8. Anti-corrosion layer; 801. Waterproof rubber gasket. Detailed Implementation

[0023] Please see Figures 1 to 4 In the embodiments of this utility model;

[0024] Example 1: A corrosion-resistant automotive heater valve, comprising a controller upper housing 1 and a controller plug 2, wherein the controller plug 2 is embedded in one side of the controller upper housing 1.

[0025] Below the upper housing 1 of the controller is a lower housing 3 of the controller. A valve body 4 is fixedly installed on the bottom surface of the lower housing 3. A gearbox 5 is installed inside the valve body 4. A micro motor 6 is installed inside the valve body 4.

[0026] The controller is fixed inside the upper shell 1 and the lower shell 3 of the controller. The controller plug-in 2 is connected to the controller. The left side of the valve body 4 is fixedly installed with outlet 1 401, the right side of the valve body 4 is fixedly installed with outlet 2 402, and the front end of the valve body 4 is fixedly installed with outlet 3 403. Valves are provided inside outlet 1 401, outlet 2 402 and outlet 3 403. The rear end of the valve body 4 is fixedly installed with inlet 404.

[0027] Mounting brackets 7 are fixedly installed at the four corners of the outer surface of the valve body 4. Mounting holes are opened on the upper surface of the mounting brackets 7. Gears 601 are fixedly installed at the output end of the micro motor 6. Gears 601 are configured to cooperate with gearbox 5.

[0028] By setting the upper casing 1 and lower casing 3 of the controller, the internal controller can be protected to avoid affecting its normal operation. When the water valve controller receives the action command signal from the vehicle computer through the controller plug-in 2, the controller can start the micro motor 6, causing the shaft of the micro motor 6 to drive the gear 601 to rotate. Under the control of the micro motor 6, the reduction gear 601 is driven to rotate in a certain direction. The valve rotates to a certain direction according to the instruction of the vehicle computer, which can open or close the outlet 1 401, outlet 2 402 and outlet 3 403. When the water inlet mode is opened, the inlet 401 is closed or opened. 4. The water circuit is automatically connected, and the engine circulating water enters the radiator. The fan blows heat into the passenger compartment. When the system setting mode is reached, the micro motor 6 rotates, driving the gear 601 to switch to the next mode. Under the control of the vehicle computer, the water valve can be opened or closed. The water valve is the switch. When the water valve is open, the water circuit is connected, the engine circulating water enters the radiator, and the fan blows heat into the passenger compartment. Conversely, when the water valve is closed, the heater does not work. The opening and closing of the water valve is controlled by the controller in conjunction with the micro motor 6 and the gear 601 to avoid the large frictional resistance between the rotating piston and the valve body during operation, which can easily cause wear.

[0029] Example 2: Refer to the attached instruction manual Figure 2-4 It can be seen that the difference between Example 2 and Example 1 is:

[0030] The inner wall of the valve body 4 is coated with an anti-corrosion layer 8. The coating of the anti-corrosion layer 8 contains an anti-corrosion agent, and a waterproof rubber gasket 801 is provided on the outer surface of the anti-corrosion layer 8.

[0031] The anti-corrosion layer 8 can be directly applied to the inner wall of the valve body 4. The anti-corrosion layer 8 has higher corrosion resistance and is suitable for corrosive environments. The waterproof rubber pad 801 set on the outer surface can isolate water flow and prevent water flow from impacting the anti-corrosion layer 8, making the anti-corrosion layer 8 more durable and maintaining a long-term anti-corrosion effect.

Claims

1. A corrosion-resistant automotive heater valve, comprising a controller upper shell (1) and a controller plug (2), wherein the controller upper shell (1) is embedded in one side of the controller plug (2). Its features are, Below the upper housing (1) of the controller is a lower housing (3), and a valve body (4) is fixedly installed on the bottom surface of the lower housing (3). A gearbox (5) is installed inside the valve body (4), and a micro motor (6) is installed inside the valve body (4).

2. The automotive corrosion-resistant heater valve according to claim 1, characterized in that: The controller is fixed inside the upper shell (1) and lower shell (3) of the controller, and the controller plug (2) is connected to the controller.

3. The automotive corrosion-resistant heater valve according to claim 1, characterized in that: The valve body (4) has a water outlet 1 (401) fixedly installed on the left side, a water outlet 2 (402) fixedly installed on the right side, and a water outlet 3 (403) fixedly installed at the front end.

4. The automotive corrosion-resistant heater valve according to claim 3, characterized in that: The outlet 1 (401), outlet 2 (402) and outlet 3 (403) are all equipped with valves, and the valve body (4) has an inlet (404) fixedly installed at the rear end.

5. The automotive corrosion-resistant heater valve according to claim 1, characterized in that: Mounting brackets (7) are fixedly installed at the four corners of the outer surface of the valve body (4), and mounting holes are provided on the upper surface of the mounting brackets (7).

6. The automotive corrosion-resistant heater valve according to claim 1, characterized in that: The output end of the micro motor (6) is fixedly equipped with a gear (601), which is configured to cooperate with the gearbox (5).

7. The automotive corrosion-resistant heater valve according to claim 1, characterized in that: The inner wall of the valve body (4) is coated with an anti-corrosion layer (8) around its perimeter. The coating of the anti-corrosion layer (8) contains an anti-corrosion agent, and a waterproof rubber pad (801) is provided on the outer surface of the anti-corrosion layer (8).