CN219284602U - Leak detection device for air suction pipe of compressor - Google Patents

Abstract

The utility model discloses a leak detection device for an air suction pipe of a compressor, and relates to the technical field of vehicle air conditioners. Including fixed body, fixed body inside cavity just is provided with the moving structure, and moving structure is including inserting the moving pipe of locating fixed body both ends, and the outside one end of moving pipe is provided with the jam structure, and fixed body outside is provided with detection structure, and detection structure is including the slip lantern ring of cover locating the fixed body outside, and slip lantern ring one side is fixed with the handle, and opposite one side is fixed with the connecting block. According to the utility model, through the arrangement of the detection structure, the detection ring is sleeved outside the air suction pipe to be detected during detection and is used for moving detection along the air suction pipe, so that the whole air suction pipe can be detected to leak, when the air flow sensor detects leakage air, the warning lamp blinks and the voice broadcasting device generates larger sound, so that the air leakage position is convenient to determine, the problem of leak detection blind areas is not easy to exist, and the usability of the device is better improved.

Description

A compressor suction pipe leak detection device

technical field

The utility model relates to the technical field of vehicle air conditioners, in particular to a leakage detection device for a suction pipe of a compressor.

Background technique

A compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is part of a refrigeration system.

The compressor structure used in the existing vehicle air conditioner has high airtightness requirements for the suction pipe in it. If the airtightness of the suction pipe is not enough, it is easy to leak air during the working process of the compressor, which will affect the compression. The use of the machine, the Chinese utility model patent, the authorized announcement number "CN202947842U" discloses a leak detection device for the suction pipe of the compressor, including a sealing assembly that seals the welding part of the suction pipe to be tested to form a sealed cavity, and can be used in the suction pipe. After welding or before assembling into a compressor, quickly detect the airtightness of the welding part on the suction pipe to find out the welding process problems in time and correct them.

The above-mentioned technical solution adopts a compressible plug with a truncated conical elastic member, which will produce a certain elastic deformation during the test process to enhance the sealing effect of the sealing cavity, but there are still certain defects in the above-mentioned technical solution, such as , the above-mentioned device is suitable for leak detection of the welding part of the suction pipe, but if the leak detection of the whole suction pipe needs to be carried out, the above-mentioned device is not suitable, which makes it easy to have the problem of blind spots for leak detection. Therefore, the utility model proposes A new type of solution.

Utility model content

The purpose of this utility model is to provide a compressor suction pipe leakage detection device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a compressor suction pipe leak detection device, including a fixed pipe body, the fixed pipe body is hollow inside and is provided with a moving structure, the moving structure includes two parts inserted in the fixed pipe body The moving tube at the end, the outward end of the moving tube is provided with a blocking structure, and the outside of the fixed tube is provided with a detection structure. The detection structure includes a sliding collar set on the outside of the fixed tube. A connection block is fixed, a detection ring is fixed on one side of the connection block, a plurality of airflow sensors are evenly fixed on the inner wall of the detection ring, a warning light and a voice announcer are set on the top side of the connection block, and a control button is set on the top surface of the handle, sliding A limit block is fixed on the inner wall of the collar.

Preferably, the moving structure also includes a fixed spacer fixed in the middle of the hollow hole of the fixed pipe body, and telescopic rods are symmetrically arranged on both outer sides of the fixed spacer, and the telescopic rods are adapted to the moving pipe and inserted into the moving pipe to communicate with the moving pipe. The tube phase is fixed.

Preferably, the blocking structure includes a connecting line that is rotatably connected to the outer end surface of the moving tube, one end of the connecting line is fixed with a fixed cover, the fixed cover is provided with an inflatable plug on the inner side, the outer side of the inflatable plug is provided with a non-slip outer sheet, and the inflatable plug One side is communicated with an inflatable connecting pipe.

Preferably, an air pressure detection gauge is provided on the fixed cover plate at one end of the fixed pipe body, an air intake pipe is inserted in the fixed cover plate at the other end of the fixed pipe body, and an air pump is provided at the outward end of the air intake pipe.

Preferably, the outer wall of the fixed tube is provided with a first limiting groove matching the limiting block, and the outer wall of the moving tube is provided with a second limiting groove matching the limiting block.

Preferably, the control button is electrically connected to the airflow sensor, the warning light and the voice announcer, and a plurality of anti-skid grooves are provided on the middle circumference of the outer wall of the fixed tube.

Compared with the prior art, the beneficial effects of the utility model are:

The leak detection device for the suction pipe of the compressor, through the setting of the detection structure, the detection ring is set outside the suction pipe to be tested, and the detection is carried out along the suction pipe, so that the whole suction pipe can be tested. Leakage, when the airflow sensor detects gas leakage, the warning light will flicker and the voice announcer will make a loud sound, which is convenient for determining the location of the gas leakage, so that the problem of blind spots for leak detection is not easy to exist, and the usability of the device is better improved.

In addition, through the setting of the blocking structure, the inflatable plugs are put into the two ends of the suction pipe respectively, and then the inflatable plug is inflated through the inflatable connecting pipe, so that the inflatable plug expands until the non-slip outer sheet on the outer surface of the inflatable plug contacts and squeezes The inner wall of the suction pipe ensures the sealing stability of the inflatable plug to the suction pipe, which is convenient for subsequent leak detection inspections.

Description of drawings

Fig. 1 is the first three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the second three-dimensional structure schematic diagram of the present utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is a sectional view of the utility model.

Among the figure: 1, fixed pipe body; 101, fixed spacer; 102, telescopic rod; 103, moving tube; 2, connection line; 201, fixed cover plate; Connecting pipe; 3. Air pressure detection gauge; 4. Air pressure pump; 401. Intake pipe; 5. Sliding collar; 501. Handle; 502. Connection block; 503. Detection ring; , a limiting block; 601, a first limiting groove; 602, a second limiting groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "Bottom", "Inner", "Outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied. Any device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

In addition, it should be understood that, for the convenience of description, the dimensions of the various components shown in the drawings are not drawn according to the actual scale relationship, for example, the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, therefore, once an item is defined or described in one drawing, it will not need to be redefined in the description of subsequent drawings. It is further discussed and described in detail.

As shown in Figures 1 to 4, the utility model provides a technical solution: a compressor suction pipe leak detection device, including a fixed pipe body 1, the fixed pipe body 1 is hollow inside and is provided with a moving structure, the moving structure includes The moving tube 103 inserted at both ends of the fixed tube body 1, the outward end of the moving tube 103 is provided with a blocking structure, the outside of the fixed tube body 1 is provided with a detection structure, and the detection structure includes a sliding collar 5 sleeved on the outside of the fixed tube body 1 A handle 501 is fixed on one side of the sliding collar 5, a connecting block 502 is fixed on the opposite side, a detection ring 503 is fixed on one side of the connecting block 502, and a plurality of airflow sensors 504 are evenly fixed on the inner wall circumference of the detection ring 503, and the top of the connecting block 502 One side of the surface is provided with a warning light 505 and a voice announcer, the top surface of the handle 501 is provided with a control button, and the limit block 6 is fixed on the inner wall of the sliding collar 5. Through the setting of the detection structure, during detection, the detection ring 503 is set in the waiting position. Measure the outside of the suction pipe, and carry out movement detection along the suction pipe, so that the entire suction pipe can be leak tested. When the airflow sensor 504 detects the leakage of gas, the warning light 505 will flash and the voice announcer will make a loud sound. It is convenient to determine the location of air leakage, so that the problem of blind area of leakage detection is not easy to exist, and the usability of the device is better improved. The mobile structure also includes a fixed spacer 101 fixed in the middle of the hollow hole of the fixed pipe body 1, and the fixed spacer 101 is two-way The outer surface is symmetrically provided with telescopic rods 102. The telescopic rods 102 are adapted to the moving tube 103 and are inserted into the moving tube 103 to be fixed with the moving tube 103. The moving tube 103 is closed towards the outer end.

As a specific embodiment, the blockage structure includes a connection wire 2 that is rotatably connected to the outer end surface of the moving tube 103. One end of the connection wire 2 is fixed with a fixed cover 201, and the fixed cover 201 is provided with an inflatable plug 202 on the inner side. The outer surface of 202 is provided with non-slip outer sheet 203, and the side of the inflatable plug 202 is connected with an inflatable connecting pipe 204. Through the setting of the blocking structure, the inflatable plug 202 is respectively put into the two ends of the suction pipe, and then through the inflatable connecting pipe 204 Inflate the inflation plug 202 so that the inflation plug 202 expands until the non-slip outer sheet 203 on the outer surface of the inflation plug 202 contacts and squeezes to the inner wall of the suction pipe, ensuring the sealing stability of the inflation plug 202 to the suction pipe, which is convenient for subsequent Leak detection inspection, anti-slip outer sheet 203 has a certain degree of elasticity, and fits with the inflation plug 202.

As a specific embodiment, the fixed cover plate 201 at one end of the fixed pipe body 1 is provided with an air pressure detection gauge 3, and the fixed cover plate 201 at the other end of the fixed pipe body 1 is inserted with an air intake pipe 401, and the outer end of the air intake pipe 401 is provided There is an air pump 4, the outer wall of the fixed pipe body 1 is provided with a first limiting groove 601 matching with the limiting block 6, and the outer wall of the moving tube 103 is provided with a second limiting groove 602 matching with the limiting block 6, It is convenient for the sliding collar 5 to carry out limited sliding on the fixed tube body 1 and the moving tube 103, which ensures the stability of the detection ring 503 to a certain extent, and the control button is electrically connected with the airflow sensor 504, the warning light 505 and the voice announcer , the outer wall middle of the fixed pipe body 1 is provided with a plurality of non-slip grooves, and the control button is electrically connected with the telescopic rod 102, the air pump 4 and the inflation connecting pipe 204.

Particularly, when using this device, first grasp the handle 501 to control the stretching of the telescopic rod 102, so that the telescopic rod 102 drives the moving tube 103 away from each other, and adjust the overall length of the moving tube 103 and the fixed tube body 1 until it is the same as the suction tube. Stop after a long time, then insert the inflation plug 202 into the inside of both ends of the suction pipe, inflate the inflation plug 202 through the inflation connection pipe 204, until the inflation plug 202 seals the suction pipe, then start the air pressure detection meter 3 and simultaneously make the air pressure The pump 4 pressurizes the suction pipe so that there is a certain air pressure inside the suction pipe. According to the change of the air pressure detection gauge 3, it is judged whether there is an air leakage problem in the suction pipe as a whole. If the air pressure detection gauge 3 shows a drop within a certain period of time Trend, that is to say that the air leakage of the suction pipe, then grasp the handle 501 to drive the detection ring 503 and the sliding collar 5 to move along the fixed pipe body 1 and the moving pipe 103 for detection, when the air leakage is detected, the warning light 505 Flashes and the voice announcer makes a loud sound, making it possible to find out the specific air leakage location. It should be noted that the above telescopic rod 102, air pump 4, inflation plug 202, non-slip outer piece 203, air pressure detection gauge 3, and air flow sensor 504, warning light 505, control button are prior art, so do not do too much explanation to its working principle here.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A compressor suction pipe leak detection device, comprising a fixed pipe body (1), characterized in that: the fixed pipe body (1) is hollow inside and is provided with a moving structure, and the moving structure includes a fixed pipe body (1) ) at both ends of the moving tube (103), the outward end of the moving tube (103) is provided with a blocking structure, and the outer side of the fixed tube body (1) is provided with a detection structure, and the detection structure includes a sliding sleeve sleeved on the outside of the fixed tube body (1) ring (5), a handle (501) is fixed on one side of the sliding collar (5), a connection block (502) is fixed on the opposite side, and a detection ring (503) is fixed on one side of the connection block (502), the detection ring (503 ) is evenly fixed with a plurality of airflow sensors (504) on the inner wall circumference, a warning light (505) and a voice announcer are arranged on one side of the top surface of the connection block (502), a control button is arranged on the top surface of the handle (501), and a sliding collar ( 5) The limit block (6) is fixed on the inner wall. 2. A compressor suction pipe leak detection device according to claim 1, characterized in that: the moving structure also includes a fixed spacer (101) fixed in the middle of the hollow hole of the fixed pipe body (1), the fixed spacer The block (101) is symmetrically provided with telescopic rods (102) on both sides of the outer surface, and the telescopic rods (102) are compatible with the moving tube (103) and inserted in the moving tube (103) to be fixed with the moving tube (103). 3. A leak detection device for a compressor suction pipe according to claim 1, characterized in that: the blockage structure includes a connection line (2) that is rotatably connected to the outer end surface of the moving tube (103), the connection line (2) ) one end is fixed with a fixed cover (201), the fixed cover (201) is provided with an inflatable plug (202) on the inner side, and the outer side of the inflated plug (202) is provided with a non-slip outer sheet (203), and the inflated plug (202) The side communication is provided with an inflatable connecting pipe (204). 4. A compressor suction pipe leakage detection device according to claim 1, characterized in that: the fixed cover (201) at one end of the fixed pipe body (1) is provided with an air pressure detection gauge (3), fixed An air intake pipe (401) is inserted into the fixed cover plate (201) at the other end of the pipe body (1), and an air pump (4) is provided at the outward end of the air intake pipe (401). 5. A compressor suction pipe leakage detection device according to claim 1, characterized in that: the outer wall of the fixed pipe body (1) is provided with a first limiter that matches the limiter (6) The groove (601), the outer wall of the moving tube (103) is provided with a second limiting groove (602) matching the limiting block (6). 6. A compressor suction pipe leak detection device according to claim 1, characterized in that: the control button is electrically connected to the air flow sensor (504), the warning light (505) and the voice announcer, fixed A plurality of anti-slip grooves are arranged on the circumference of the middle part of the outer wall of the pipe body (1).

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