Sealing device for air tightness inspection of radiator of automobile air conditioner

Abstract

The utility model relates to the technical field of radiator airtightness detection, and discloses an automobile air conditioner radiator airtightness detection sealing device, which comprises a detection frame, the detection frame is a concave frame, and the middle part of one side of the concave frame is fixedly connected with a connecting cover. According to the utility model, the air pump is driven to continuously inflate the interior of the air-conditioning radiator, as the air outlet pipe is communicated with the air inlet pipe, the air in the air-conditioning radiator continuously extrudes the sealing plate in the butt joint cylinder, so that the abutting rod mounted on one side of the sealing plate continuously moves towards the outer side until the other end of the abutting rod is attached to the pressure sensor, and the air pump is closed; when air leakage occurs in the air conditioner radiator, the air pressure of the inner wall of the air conditioner radiator is reduced, a sealing plate located in a butt joint cylinder is extruded towards the inner side by a spring, and an abutting rod is continuously far away from a pressure sensor on one side in the detection frame. And the air tightness of the air conditioner radiator can be well judged under the condition that the automobile air conditioner radiator is not disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of airtight detection of radiators, in particular to an airtight inspection and sealing device for an automotive air conditioner radiator. Background Technique

[0002] At present, the automotive air conditioner radiator is the condenser. The function of the automotive air conditioner condenser is to dissipate heat and cool down the high-temperature and high-pressure refrigerant vapor discharged from the compressor, so that it condenses into a liquid high-pressure refrigerant. It can cool and liquefy the high-pressure and high-temperature refrigerant (gaseous refrigerant) sent out from the compressor. When the refrigerant enters the evaporator, the pressure decreases, changing from a high-pressure gas to a low-pressure gas. This process needs to absorb heat, so the surface temperature of the evaporator is very low. Then, through the fan, cold air can be blown out. The condenser cools the high-pressure and high-temperature refrigerant coming out of the compressor into a high-pressure and low-temperature state, and then vaporizes it through the capillary tube and evaporates in the evaporator, dissipating the heat absorbed by the refrigerant in the vehicle into the atmosphere through the condenser.

[0003] Among them, during the vehicle repair process, it is necessary to perform airtightness detection on the automotive air conditioner radiator. Since the automotive air conditioner radiator is installed inside the vehicle, it is difficult for maintenance personnel to perform airtightness detection on the air conditioner radiator installed inside the vehicle. It is necessary to disassemble the automotive air conditioner radiator to perform airtightness detection on it. The operation steps are cumbersome. Therefore, new technical solutions need to be designed to solve this problem. Content of the Utility Model

[0004] The purpose of the utility model is to provide an airtight inspection and sealing device for an automotive air conditioner radiator, which solves the problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An airtight inspection and sealing device for an automotive air conditioner radiator, including a detection frame. The detection frame is in the shape of a concave frame. A connecting cover is fixedly connected to the middle of one side of the concave frame. Internal threads are provided on the inner wall of the connecting cover, and an airtightness detection mechanism is installed inside the connecting cover;

[0006] The airtightness detection mechanism includes a docking cylinder fixedly installed inside the connecting cover, a sealing plate movably installed inside the docking cylinder, a resisting rod fixedly installed on one side of the sealing plate, a spring sleeved on the outer wall of one side of the resisting rod, and a pressure sensor fixedly installed on the other side of the inner wall of the detection frame. The resisting rod corresponds to the pressure sensor.

[0007] As an optional solution of the technical solution of the present application, the resisting rod is movably connected to the middle of one side of the detection frame, and both sides of the spring are fixedly installed on the side walls of the docking cylinder and the sealing plate respectively.

[0008] As an alternative embodiment of the technical solution of the present application, a rubber ring is sleeved on the outer wall of the sealing plate, and the outer wall of the rubber ring fits with the inner wall of the docking cylinder, enhancing the sealing effect of the sealing plate.

[0009] As an alternative embodiment of the technical solution of the present application, an alarm is fixedly installed on the side wall of the detection frame, and the alarm is connected to the pressure sensor through a wire, which can alert the operator.

[0010] As an alternative embodiment of the technical solution of the present application, the connection cover is threadedly connected to the port of the air outlet pipe, the other end of the air outlet pipe is fixedly connected to the air conditioner radiator, and the other end of the air conditioner radiator is connected to an air inlet pipe, enabling the connection of the connection cover and the air outlet pipe.

[0011] As an alternative embodiment of the technical solution of the present application, a connector is threadedly installed at the other end of the air inlet pipe, a valve is installed on the connector, and an air pump is connected to the other end of the air inlet pipe, which can control the flow rate in the air inlet pipe.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the technical solution of the present application, the air pump is continuously driven to inflate the inside of the air conditioner radiator. Since the air outlet pipe and the air inlet pipe are interconnected, the gas inside the air conditioner radiator will continuously squeeze the sealing plate inside the docking cylinder, causing the push rod installed on one side of the sealing plate to continuously move outward until the other end of the push rod fits with the pressure sensor and the air pump is turned off. This can effectively detect whether the air conditioner radiator leaks. When air leakage occurs inside the air conditioner radiator, the air pressure on the inner wall of the air conditioner radiator decreases, and the sealing plate inside the docking cylinder will be pushed inward by the spring, and the push rod will continuously move away from the pressure sensor on the inner side of the detection frame, ensuring that the airtightness of the automotive air conditioner radiator can be well judged without disassembling it.

[0014] 2. In the technical solution of the present application, an alarm is fixedly installed on the side wall of the detection frame, and the alarm is connected to the pressure sensor through a wire. After the air pump is driven to inflate the inside of the air conditioner radiator, it will squeeze the push rod on the detection frame to press the pressure sensor. When the pressing force of the push rod is less than the set value of the pressure sensor, a signal will be sent to the control processor to turn on the alarm on one side of the detection frame, enabling the operator to more alertly know that the air conditioner radiator leaks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, objectives, and advantages of the present utility model will become more apparent:

[0016] Figure 1 FIG. is a schematic diagram of the overall structure of an airtight inspection and sealing device for an automotive air conditioner radiator of the present utility model;

[0017] Figure 2 This is a schematic structural diagram of a detection rack for an airtight inspection and sealing device of an automotive air conditioner radiator according to the present utility model.

[0018] In the figure: 1, detection rack; 11, connecting cover; 12, air outlet pipe; 13, air conditioner radiator; 14, air inlet pipe; 2, docking cylinder; 21, sealing plate; 22, abutting rod; 23, spring; 24, pressure sensor; 3, rubber ring; 31, alarm; 32, connecting head; 33, air pump; 34, valve. Specific embodiments

[0019] Please refer to Figure 1-2 , the present utility model provides a technical solution: an airtight inspection and sealing device for an automotive air conditioner radiator, including a detection rack 1. The detection rack 1 is in the shape of a concave rack. A connecting cover 11 is fixedly connected to the middle of one side of the concave rack. Internal threads are provided on the inner wall of the connecting cover 11, and an airtightness detection mechanism is installed inside the connecting cover 11;

[0020] The airtightness detection mechanism includes a docking cylinder 2 fixedly installed inside the connecting cover 11, a sealing plate 21 movably installed inside the docking cylinder 2, an abutting rod 22 fixedly installed on one side of the sealing plate 21, a spring 23 sleeved on the outer wall of one side of the abutting rod 22, and a pressure sensor 24 fixedly installed on the other side of the inner wall of the detection rack 1. The abutting rod 22 corresponds to the pressure sensor 24, the abutting rod 22 is movably connected to the middle of one side of the detection rack 1, and both sides of the spring 23 are fixedly installed on the side walls of the docking cylinder 2 and the sealing plate 21 respectively.

[0021] In this technical solution, by continuously inflating the inside of the air conditioner radiator 13 by driving the air pump 33, since the air outlet pipe 12 and the air inlet pipe 14 are interconnected, the gas inside the air conditioner radiator 13 will continuously squeeze the sealing plate 21 inside the docking cylinder 2, causing the abutting rod 22 installed on one side of the sealing plate 21 to continuously move outward until the other end of the abutting rod 22 fits against the pressure sensor 24 and the air pump 33 is turned off, which can well detect whether the air conditioner radiator 13 leaks air. When air leaks inside the air conditioner radiator 13, the air pressure inside the inner wall of the air conditioner radiator 13 decreases, and the sealing plate 21 inside the docking cylinder 2 will be squeezed inward by the spring 23, and the abutting rod 22 will continuously move away from the pressure sensor on one side inside the detection rack 1, ensuring that the airtightness of the air conditioner radiator 13 can be well judged without disassembling the automotive air conditioner radiator 13.

[0022] In some technical solutions, an alarm 31 is fixedly installed on the side wall of the detection rack 1. The alarm 31 is connected and installed to the pressure sensor 24 through a wire, which can warn the operator.

[0023] In this technical solution, after the driving air pump 33 inflates the inside of the air conditioner radiator 13, it will squeeze the pressure sensor 24 by pressing the rod 22 on the detection frame 1. When the squeezing force of the rod 22 is less than the set value of the pressure sensor 24, a signal will be sent to the control processor to turn on the alarm 31 on one side of the detection frame 1, enabling the operator to more alertly know that the air conditioner radiator 13 is leaking air.

[0024] In some technical solutions, the connecting cover 11 is threadedly connected to the port of the air outlet pipe 12. The other end of the air outlet pipe 12 is fixedly connected to the air conditioner radiator 13. The other end of the air conditioner radiator 13 is connected and installed with an air inlet pipe 14, which can connect the connecting cover 11 and the air outlet pipe 12. The other end of the air inlet pipe 14 is threadedly installed with a connector 32, and a valve 34 is installed on the connector 32. The other end of the air inlet pipe 14 is connected and installed with an air pump 33, which can control the flow rate in the air inlet pipe 14.

[0025] In this technical solution, when the connecting cover 11 on the detection frame 1 is threadedly installed with the air outlet pipe 12 at one end of the air conditioner radiator 13, the docking cylinder 2 inside the connecting cover 11 is inserted into the air outlet pipe 12, waiting for the air inlet pipe 14 at the other end of the air conditioner radiator 13 to be connected to the air pump 33, and the driving air pump 33 can continuously inflate the inside of the air conditioner radiator 13.

[0026] In some technical solutions, a rubber ring 3 is sleeved on the outer wall of the sealing plate 21, and the outer wall of the rubber ring 3 fits with the inner wall of the docking cylinder 2, increasing the sealing effect of the sealing plate 21.

[0027] In this technical solution, when the sealing plate 21 moves left and right inside the docking cylinder 2, combined with the rubber ring 3 installed on the outside of the sealing plate 21, the airtightness of the sealing plate 21 inside the docking cylinder 2 can be greatly increased.

[0028] When using an airtight inspection and sealing device for an automotive air conditioner radiator, it should be noted that the present utility model is an airtight inspection and sealing device for an automotive air conditioner radiator. Each component is a general standard component or a component known to those skilled in the art. Its structure and principle can be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0029] During use, first, the air outlet pipe 12 connecting the connecting cover 11 and one end of the air conditioner radiator 13 on the detection rack 1 is threadedly installed, so that the docking cylinder 2 inside the connecting cover 11 is inserted into the air outlet pipe 12. Wait for the other end inlet pipe 14 of the air conditioner radiator 13 to be connected to the air pump 33. At the same time, continuously inflate the inside of the air conditioner radiator 13 by driving the air pump 33. Since the air outlet pipe 12 and the inlet pipe 14 are interconnected, the gas inside the air conditioner radiator 13 will continuously squeeze the sealing plate 21 inside the docking cylinder 2, causing the push rod 22 installed on one side of the sealing plate 21 to continuously move outward until the other end of the push rod 22 fits against the pressure sensor 24 and the air pump 33 is turned off. This can well detect whether the air conditioner radiator 13 leaks air. When air leaks inside the air conditioner radiator 13, the air pressure on the inner wall of the air conditioner radiator 13 decreases, and the sealing plate 21 inside the docking cylinder 2 will be squeezed inward by the spring 23, and the push rod 22 will continuously move away from the pressure sensor on one side inside the detection rack 1, ensuring that the airtightness of the automotive air conditioner radiator 13 can be well judged without disassembling it. At the same time, an alarm 31 is fixedly installed on the side wall of the detection rack 1, and the alarm 31 is connected and installed to the pressure sensor 24 through a wire. After the air pump 33 inflates the inside of the air conditioner radiator 13, it will squeeze the push rod 22 on the detection rack 1 to squeeze the pressure sensor 24. When the squeezing force of the push rod 22 is less than the set value of the pressure sensor 24, a signal will be sent to the control processor to turn on the alarm 31 on one side of the detection rack 1, enabling the operator to more alertly know that the air conditioner radiator 13 leaks air.

Claims

1. A sealing device for checking air tightness of a car air conditioner radiator, comprising a detection frame (1), characterized in that: The detection frame (1) is a concave frame, a connection cover (11) is fixedly connected to the middle of one side of the concave frame, an inner wall of the connection cover (11) is provided with an internal thread, and an airtightness detection mechanism is installed inside the connection cover (11); The airtightness detection mechanism comprises a docking sleeve (2) fixedly mounted inside the connection cover (11), a sealing plate (21) movably mounted inside the docking sleeve (2), a push rod (22) fixedly mounted on one side of the sealing plate (21), a spring (23) sleeved on one side of the outer wall of the push rod (22), and a pressure sensor (24) fixedly mounted on the other side of the inner wall of the detection frame (1), wherein the push rod (22) and the pressure sensor (24) correspond to each other.

2. The airtight inspection and sealing device for automobile air conditioner radiator according to claim 1, characterized in that: The support rod (22) is movably connected to the middle part of one side of the detection frame (1), and the two sides of the spring (23) are respectively fixedly installed on the side walls of the docking tube (2) and the sealing plate (21).

3. The airtight inspection and sealing device for automobile air conditioner radiator according to claim 1, characterized in that: The outer wall of the sealing plate (21) is sleeved with a rubber ring (3), and the outer wall of the rubber ring (3) is in contact with the inner wall of the docking sleeve (2).

4. The airtight inspection and sealing device for automobile air conditioner radiator according to claim 1, characterized in that: An alarm (31) is fixedly mounted on the side wall of the detection frame (1), and the alarm (31) is connected to the pressure sensor (24) via a wire.

5. The airtight inspection and sealing device for automobile air conditioner radiator according to claim 1, characterized in that: The connection cover (11) is threadedly connected to the port of the air outlet pipe (12), the other end of the air outlet pipe (12) is fixedly connected to the air conditioner radiator (13), and the other end of the air conditioner radiator (13) is connected to an air inlet pipe (14).

6. The airtight inspection and sealing device for automobile air conditioner radiator according to claim 5, characterized in that: The other end of the air intake pipe (14) is threadedly mounted with a connector (32), the connector (32) is mounted with a valve (34), and the other end of the air intake pipe (14) is connected to an air pump (33).

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