CN217819262U

CN217819262U - Leakage detection device for refrigeration pipe of automobile air conditioner

Info

Publication number: CN217819262U
Application number: CN202222217331.3U
Authority: CN
Inventors: 张爽
Original assignee: Dalian Zuokuanyuan Technology Co ltd
Current assignee: Dalian Zuokuanyuan Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-15
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a vehicle air conditioner refrigeration pipe leak hunting device, comprising a base plate, the fixed vacuum pump that is equipped with in bottom plate top, the fixed vacuum table one that is equipped with in vacuum pump top, the fixed induction port that is equipped with in vacuum pump left end top, the induction port bottom is equipped with the gas vent, the fixed bushing of looking into that is equipped with in induction port left side, the bushing bottom is equipped with the support frame, look into the fixed vacuum table two that is equipped with in bushing top, the fixed buffer board one that is equipped with in bottom plate bottom, fixed damping bumper shock absorber one that is equipped with respectively in buffer board one left and right sides bottom, fixed buffer board two that is equipped with in damping bumper board one bottom, be equipped with damping bumper shock absorber two in the middle of buffer board one and two intermediate layers departments, the V board has all been decided to damping bumper shock absorber two left and right sides, two bottom four corners of buffer board are fixed anti-skidding footing respectively. Compared with the prior art, the utility model the advantage lie in: the shock absorption effect is good, the sealing and leakage checking functions are realized, and the disassembly is avoided.

Description

Leakage detection device for refrigeration pipe of automobile air conditioner

Technical Field

The utility model relates to an automobile air conditioner overhauls the field, specifically indicates a car air conditioner modulation cold pipe leak hunting device.

Background

In the refrigeration and maintenance industry, the detection of the leakage of refrigerants of various refrigeration equipment and air conditioners, particularly automobile air conditioners, and particularly micro leakage is very difficult at present. In addition, the assembly of each part is very tight and the position is narrow, so that the system detection is not easy. The disassembly and disassembly are in disorder, which consumes time and increases maintenance cost. Because the leakage of the refrigerant brings bad refrigerating effect to the refrigerating equipment, the operation rate of the equipment is improved, the energy is wasted, and the environment is polluted. And leak hunting itself need carry out the evacuation to the pipeline is inside, then carry out the inspection of inside air pressure, observe whether there is the leakage, need use the vacuum pump to carry out the air extraction to inside, but the vacuum pump during operation can produce great vibrations, all produces the influence to device itself and leak hunting. Therefore, a device for detecting the leakage of the refrigeration pipe of the automobile air conditioner is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above-mentioned not enough, provide a shock attenuation effectual, have sealed leak hunting function and exempt from a car air conditioner refrigeration pipe leak hunting device who dismantles.

In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a vehicle air conditioner refrigerating tube leakage detection device, includes the bottom plate, the fixed vacuum pump that is equipped with in bottom plate top, the fixed vacuum table one that is equipped with in vacuum pump top, the fixed induction port that is equipped with in vacuum pump left end top, the induction port bottom is equipped with the gas vent, the fixed leaky pipe that is equipped with in induction port left side, it is equipped with the support frame to look for the leaky pipe bottom, look for the fixed vacuum table two that is equipped with in leaky pipe top, the fixed buffer board one that is equipped with in bottom plate bottom, buffer board one left and right sides bottom is fixed respectively and is equipped with damping bumper shock absorber one, the fixed buffer board two that is equipped with in damping bumper shock absorber one bottom, be equipped with damping bumper shock absorber two in the middle of buffer board one and two intermediate layers departments of buffer board, the two left and right sides of damping bumper shock absorber all decide to be equipped with the V board, two bottom four corners of buffer board are fixed respectively and are equipped with anti-skidding footing.

Furthermore, a cooling fan is fixedly arranged on the right side of the motor at the right end of the vacuum pump, and a power supply is fixedly arranged at the top of the motor at the right end of the vacuum pump.

Furthermore, the bottom of the support frame is fixed on the left side of the bottom plate, and a cavity for exhausting air from an air outlet is formed in the support frame.

Furthermore, a butt joint port is fixedly arranged at the left end of the leakage detecting pipe, and internal threads and a sealing ring are arranged in the butt joint port.

Furthermore, a closed valve is fixedly arranged inside the air suction port, and a handle is fixedly arranged on the bottom plate.

Furthermore, the upper part and the lower part of the damping shock absorber are respectively fixedly provided with a butt joint block, the upper part and the lower part of the V plate are respectively hinged with a connecting rod, and the other end of each connecting rod is respectively hinged with the butt joint blocks.

Compared with the prior art, the utility model the advantage lie in: the method comprises the steps of connecting a pipeline connected with a compressor inside an automobile to a butt joint port on a leakage checking pipe on the left side of a vacuum pump after being pulled out, connecting and fixing the pipeline through a sealing ring and internal threads, opening a closed valve inside an air suction port, moving air inside the vacuum pump through the air suction port, then discharging the air from an air exhaust port, observing readings of a first vacuum meter and a second vacuum meter, closing the closed valve after reaching a vacuum condition, observing the readings on the second vacuum meter after placing for a period of time, and judging whether the air conditioning cooling pipe of the automobile leaks slightly or not by comparing the readings with the readings on the first vacuum meter. The vibrations that the vacuum pump during operation produced carry out the shock attenuation through the damping shock absorber one and the damping shock absorber two of bottom, turn into horizontally impact force with vertical vibrations, carry out dual reduction, reduce the vibration range of vacuum pump, reduce the influence to the work of checking for leaks. The pipeline and the leakage detection device are evacuated without being disassembled, so that the leakage detection precision is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

As shown in the figure: 1. a base plate; 2. a vacuum pump; 3. a heat radiation fan; 4. a power source; 5. a first vacuum meter; 6. an air suction port; 7. an exhaust port; 8. checking a leakage pipe; 9. a support frame; 10. a second vacuum meter; 11. a butt joint port; 12. closing the valve; 13. a handle; 14. a first buffer plate; 15. a second buffer plate; 16. a first damping shock absorber; 17. a second damping shock absorber; 18. a V plate; 19. a butt joint block; 20. a connecting rod; 21. antiskid footing.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments for further detailed description, and it should be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

In the description of the present invention, it is to be noted that the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection, unless otherwise explicitly stated or limited, and those skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.

The present invention will be described in further detail with reference to the accompanying drawings.

With the help of the attached drawings, the leakage detection device for the refrigeration pipe of the automobile air conditioner comprises a bottom plate 1, a vacuum pump 2 is fixedly arranged at the top of the bottom plate 1, a heat dissipation fan 3 is fixedly arranged on the right side of a motor at the right end of the vacuum pump 2, and a power supply 4 is fixedly arranged at the top of the motor at the right end of the vacuum pump 2. And a first vacuum meter 5 is fixedly arranged at the top of the vacuum pump 2. The air conditioner is used for vacuumizing a refrigerating pipe in the air conditioner and checking whether leakage exists or not through air pressure change.

An air suction port 6 is fixedly arranged above the left end of the vacuum pump 2, an air exhaust port 7 is arranged at the bottom of the air suction port 6, a leakage checking pipe 8 is fixedly arranged on the left side of the air suction port 6, a support frame 9 is arranged at the bottom of the leakage checking pipe 8, the bottom of the support frame 9 is fixed on the left side of the bottom plate 1, and a cavity for exhausting the air exhaust port 7 is arranged inside the support frame 9. For intake and exhaust.

The top of the leakage detecting pipe 8 is fixedly provided with a second vacuum meter 10, the left end of the leakage detecting pipe 8 is fixedly provided with a butt joint port 11, and an internal thread and a sealing ring are arranged inside the butt joint port 11. A closed valve 12 is fixedly arranged in the air suction port 6, and a lifting handle 13 is fixedly arranged on the bottom plate 1. The double-vacuum-meter-type pipeline sealing device is used for sealing, reduces the influence of external air on the interior of the pipeline, and carries out accurate reading through the double vacuum meters.

The fixed buffer board 14 that is equipped with in bottom plate 1 bottom, the fixed damping bumper shock absorber 16 that is equipped with respectively of a 14 left and right sides bottom of buffer board, the fixed buffer board two 15 that are equipped with in 16 bottoms of damping bumper shock absorber, be equipped with damping bumper shock absorber two 17 in the middle of the two 15 intermediate layers departments of buffer board 14 and buffer board, the V board 18 is all decided to two 17 left and right sides of damping bumper shock absorber, damping bumper shock absorber 16 is all fixed from top to bottom and is equipped with butt joint piece 19, V board 18 all articulates from top to bottom has connecting rod 20, the connecting rod 20 other end articulates respectively in butt joint piece 19. After the vertical shock is generated, the first damping shock absorber 16 is compressed or stretched, so as to drive the distance between the two butt-jointed blocks 19 to expand or contract, and further drive the second damping shock absorber 17 to stretch or compress through the connecting rod 20 and the V-shaped plate 18. Carry out dual shock attenuation, reduce the ascending vibration range of vertical side, avoid causing the influence to the pipe connection.

Four corners of the bottom of the second buffer plate 15 are respectively and fixedly provided with anti-skidding bottom feet 21.

The utility model discloses a theory of operation: the utility model discloses when concrete implementation, when carrying out the leak hunting of vehicle air conditioner refrigeration pipeline, connect the interface 11 on the left leak hunting pipe 8 of vacuum pump 2 after extracting the pipeline that is connected with the compressor inside the car, through sealing washer and female connection fixed back, open the inside airtight valve 12 of induction port 6, open vacuum pump 2 back, inside air passes through induction port 6 and removes the inside of vacuum pump 2, then discharge from gas vent 7 again, observe the reading of vacuum table one 5 and vacuum table two 10, close airtight valve 12 after reaching the vacuum condition, place the reading on observing vacuum table two 10 after a period, whether change with the reading comparison on vacuum table one 5, and then judge whether car air conditioner refrigeration pipe has little hourglass. The vibrations that the vacuum pump during operation produced carry out the shock attenuation through the damping bumper shock absorber 16 and the damping bumper shock absorber 17 of bottom, turn into horizontally impact force with vertical vibrations, carry out dual reduction, reduce vacuum pump 2's vibration range, reduce the influence to the work of checking for leaks.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a device that leaks hunting is managed to vehicle air conditioner refrigeration which characterized in that: including bottom plate (1), fixed vacuum pump (2) that is equipped with in bottom plate (1) top, fixed vacuum table (5) that is equipped with in vacuum pump (2) top, fixed aspiration port (6) that is equipped with in vacuum pump (2) left end top, aspiration port (6) bottom is equipped with gas vent (7), aspiration port (6) left side is fixed to be equipped with and looks for bushing (8), it is equipped with support frame (9) to look for bushing (8) bottom, look for bushing (8) top and fix and be equipped with vacuum table two (10), fixed buffer board (14) that is equipped with in bottom plate (1) bottom, fixed damping bumper shock absorber (16) that is equipped with in buffer board (14) left and right sides bottom respectively, fixed buffer board two (15) that is equipped with in the middle of buffer board (14) and buffer board two (15) intermediate layer department, the damping bumper shock absorber two (17) left and right sides all decides and is equipped with V board (18), fixed antiskid footing (21) that is equipped with respectively in buffer board two (15) bottom four corners.

2. The automobile air conditioner refrigerating pipe leakage detection device as claimed in claim 1, wherein: the motor right side of vacuum pump (2) right-hand member is fixed and is equipped with radiator fan (3), the motor top of vacuum pump (2) right-hand member is fixed and is equipped with power (4).

3. The automobile air conditioner refrigerating pipe leakage detection device as claimed in claim 1, wherein: the bottom of the support frame (9) is fixed on the left side of the bottom plate (1), and a cavity for exhausting the air exhaust port (7) is arranged inside the support frame (9).

4. The automobile air conditioner refrigerating pipe leakage detection device as claimed in claim 1, wherein: the left end of the leakage detecting pipe (8) is fixedly provided with a butt joint port (11), and an internal thread and a sealing ring are arranged inside the butt joint port (11).

5. The automobile air conditioner refrigerating pipe leakage detection device as claimed in claim 1, wherein: the air suction port (6) is internally and fixedly provided with a closed valve (12), and the bottom plate (1) is fixedly provided with a handle (13).

6. The vehicle air conditioner refrigerating pipe leakage detection device of claim 1, characterized in that: the damping shock absorber I (16) is fixedly provided with butt-joint blocks (19) from top to bottom, the V plate (18) is hinged with connecting rods (20) from top to bottom, and the other ends of the connecting rods (20) are hinged to the butt-joint blocks (19) respectively.