CN214330875U

CN214330875U - Pressure testing device for detecting rear cover of compressor

Info

Publication number: CN214330875U
Application number: CN202120566045.0U
Authority: CN
Inventors: 李松; 余英
Original assignee: Hefei Zhenshuo Machinery Technology Co ltd
Current assignee: Hefei Zhenshuo Machinery Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-01
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a pressure testing device technical field, and a pressure testing device for detecting lid behind compressor is disclosed, comprising a main body, the inside of main part has been seted up and has been detected the cavity, the inside swing joint that detects the cavity has the stripper plate, the inside fixed cover of go-between has connect the telescopic link, the top fixedly connected with mounting panel of telescopic link, the equal fixedly connected with cylinder of the other end of piston rod, the equal fixedly connected with install bin in top both sides of main part, the movable groove has been seted up between the install bin, the equal fixedly connected with trachea in both sides of detecting the cavity, the equal swing joint in tracheal inside has control valve and gas sensor, the bottom of main part is fixed to cup jointed behind the compressor. Whether the problem that the air tightness is not enough exists in the rear cover of the compressor can be detected by matching the extrusion plate with the gas sensor, and after pressure test detection is performed on the rear cover of the compressor, the air inside the detection cavity is discharged through the control valve, so that the pressure reduction effect is achieved, and the production quality of the rear cover of the compressor is improved.

Description

Pressure testing device for detecting rear cover of compressor

Technical Field

The application relates to the field of pressure testing devices, in particular to a pressure testing device for detecting a rear cover of a compressor.

Background

The compressor is a driven fluid machine that raises low-pressure gas to high-pressure gas, and is the heart of a refrigeration system. The refrigerating cycle is powered by sucking low-temperature and low-pressure refrigerant gas from the air suction pipe, driving the piston to compress the refrigerant gas through the operation of the motor, and discharging high-temperature and high-pressure refrigerant gas to the exhaust pipe.

Traditional lid pressure testing device behind compressor is carrying out the pressure testing in-process to the back lid, need keep the encapsulated situation of pressure testing device and back lid, if there are fine crack and through-hole in the lid behind the compressor, hardly observe behind the compressor whether the leakproofness of lid is intact through the naked eye, the lid is used for the equipment of compressor behind the compressor that quality testing is not passed will bring serious product production accident.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem that proposes, the present application provides a pressure testing device for detecting compressor back cover.

The application provides a pressure testing device for detecting lid behind compressor adopts following technical scheme:

the utility model provides a pressure testing device for detecting lid behind compressor, includes the main part, the detection cavity has been seted up to the inside of main part, the inside swing joint that detects the cavity has the stripper plate, fixed surface is connected with the go-between on the stripper plate, the inside fixed cover of go-between has connect the telescopic link, the top fixedly connected with mounting panel of telescopic link, the equal fixedly connected with buckle in both sides of mounting panel, the equal fixedly connected with piston rod in both sides of buckle, the equal fixedly connected with cylinder of the other end of piston rod, the equal fixedly connected with install bin in top both sides of main part, the activity groove has been seted up between the install bin, the equal fixedly connected with trachea in both sides of detecting the cavity, the equal swing joint in tracheal inside has control valve and gas sensor, the bottom fixed cup joint of main part has the lid behind the compressor.

Preferably, the air pipe penetrates through the main body and is communicated with the external environment, and a sealing layer is arranged between the detection chamber and the movable groove.

Through adopting above-mentioned technical scheme, can realize the decompression effect after the pressure testing detects through the trachea, the sealing layer can strengthen the holistic gas tightness of device.

Preferably, the stripper plate is the rubber material, the size of stripper plate and the size adaptation that detects the cavity and the both sides of stripper plate closely laminate mutually with the inner wall that detects the cavity.

By adopting the technical scheme, the detection accuracy is ensured to a certain extent.

Preferably, the piston rod is L-shaped, and the piston rods are all fixedly mounted at the output end of the air cylinder.

By adopting the technical scheme, the extrusion plate is driven by the piston rod to move up and down in the detection chamber.

Preferably, a through hole is formed in the movable groove, and the telescopic rod is movably mounted in the through hole.

Through adopting above-mentioned technical scheme, realize the activity of telescopic link in the through-hole inside.

In summary, the present application includes the following beneficial technical effects:

whether the problem that the air tightness is not enough exists in the rear cover of the compressor can be detected by matching the extrusion plate with the gas sensor, and after pressure test detection is performed on the rear cover of the compressor, the air inside the detection cavity is discharged through the control valve, so that the pressure reduction effect is achieved, and the production quality of the rear cover of the compressor is improved.

Drawings

Fig. 1 is a schematic structural view of a pressure testing device for detecting a compressor rear cover according to an embodiment of the present invention.

Description of reference numerals: 1. a main body; 2. a detection chamber; 3. a pressing plate; 4. a connecting ring; 5. a telescopic rod; 6. mounting a plate; 7. buckling; 8. a piston rod; 9. a cylinder; 10. installing a box; 11. a movable groove; 12. an air tube; 13. a control valve; 14. a gas sensor; 15. a compressor rear cover; 16. a sealing layer; 17. and a through hole.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a pressure testing device for detecting a compressor rear cover. Referring to fig. 1, a pressure testing device for detecting lid behind compressor, including main part 1, detection cavity 2 has been seted up to main part 1's inside, the inside swing joint that detects cavity 2 has stripper plate 3, fixed surface is connected with go-between 4 on stripper plate 3, the inside fixed cover of go-between 4 has been cup jointed telescopic link 5, the top fixedly connected with mounting panel 6 of telescopic link 5, the equal fixedly connected with buckle 7 in both sides of mounting panel 6, the equal fixedly connected with piston rod 8 in both sides of buckle 7, the equal fixedly connected with cylinder 9 of the other end of piston rod 8, the equal fixedly connected with install bin 10 in top both sides of main part 1, movable groove 11 has been seted up between install bin 10, the equal fixedly connected with trachea 12 in both sides of detecting cavity 2, the equal swing joint in inside of trachea 12 has control valve 13 and gas sensor 14, main part 1's bottom fixed cup joints has lid 15 behind the compressor.

Referring to fig. 1, trachea 12 runs through main part 1 and communicates with each other with external environment, is provided with sealing layer 16 between detection cavity 2 and the activity groove 11, can realize the decompression effect after the pressure testing detects through trachea 12, and sealing layer 16 can strengthen the holistic gas tightness of device for measuring result is more accurate.

Referring to fig. 1, stripper plate 3 is the rubber material, and the size of stripper plate 3 and the size adaptation that detects cavity 2 and the both sides of stripper plate 3 closely laminate mutually with the inner wall that detects cavity 2, and the stripper plate 3 of rubber material can with detect cavity 2 in close contact with, improves and detects the accuracy.

Referring to fig. 1, the piston rod 8 is L-shaped, the piston rods 8 are all fixedly mounted at the output end of the cylinder 9, and the extrusion plate 3 is driven by the piston rod 8 to move up and down in the detection chamber 2.

Referring to fig. 1, a through hole 17 is formed in the movable groove 11, the telescopic rod 5 is movably installed in the through hole 17, and the telescopic rod 5 can move up and down in the through hole 17.

The implementation principle of the pressure testing device for detecting the rear cover of the compressor in the embodiment of the application is as follows: when the pressure test detection is carried out on the compressor rear cover 15, the main body 1 is clamped at the outer side of the compressor rear cover 15, the piston rod 8 at the output end of the main body is driven to move up and down in a telescopic manner by the air cylinders 9 fixedly arranged in the installation boxes 10 at two sides of the main body 1, the two ends of the piston rod 8 in an L shape are fixedly connected with the buckles 7, the inner side of each buckle 7 is fixedly connected with the installation plate 6, the installation plate 6 drives the telescopic rod 5 at the lower surface of the installation plate to extend up and down, the bottom end of the telescopic rod 5 is fixedly connected with the extrusion plate 3 through the connecting ring 4, the extrusion plate 3 is movably arranged in the detection chamber 2, if the compressor rear cover 15 has certain air tightness by downward pressing of the extrusion plate 3, the air is discharged out of the external environment through the air pipe 12, the air is difficult to observe by naked eyes when the gap of the compressor rear cover 15 is very small, the volume fraction change of the internal air is converted into corresponding electric signals through the gas sensor 14, and then the air tightness of the compressor rear cover 15 at the detection part, if there is no problem in the air tightness of the compressor rear cover 15, the control valve 13 is opened to discharge the air inside to the outside through the air pipe 12, so that the air pressure inside the detection chamber 2 is reduced, and the extrusion plate 3 and the expansion link 5 can be conveniently pulled out from the detection chamber 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure testing device for detecting lid behind compressor, includes main part (1), its characterized in that: the detection device is characterized in that a detection chamber (2) is arranged in the main body (1), the detection chamber (2) is movably connected with an extrusion plate (3), a connecting ring (4) is fixedly connected to the upper surface of the extrusion plate (3), a telescopic rod (5) is fixedly sleeved in the connecting ring (4), a mounting plate (6) is fixedly connected to the top end of the telescopic rod (5), buckles (7) are fixedly connected to the two sides of the mounting plate (6), piston rods (8) are fixedly connected to the two sides of the buckles (7), air cylinders (9) are fixedly connected to the other ends of the piston rods (8), mounting boxes (10) are fixedly connected to the two sides of the top end of the main body (1), movable grooves (11) are formed between the mounting boxes (10), air pipes (12) are fixedly connected to the two sides of the detection chamber (2), and control valves (13) and gas sensors (14) are movably connected to the inner parts of the air pipes (12), the bottom end of the main body (1) is fixedly sleeved with a compressor rear cover (15).

2. The pressure testing device for detecting the compressor rear cover according to claim 1, characterized in that: the trachea (12) runs through the main body (1) and is communicated with the external environment, and a sealing layer (16) is arranged between the detection chamber (2) and the movable groove (11).

3. The pressure testing device for detecting the compressor rear cover according to claim 1, characterized in that: the extrusion plate (3) is made of rubber, the size of the extrusion plate (3) is matched with the size of the detection chamber (2), and the two sides of the extrusion plate (3) are tightly attached to the inner wall of the detection chamber (2).

4. The pressure testing device for detecting the compressor rear cover according to claim 1, characterized in that: the piston rod (8) is L-shaped, and the piston rods (8) are fixedly arranged at the output end of the air cylinder (9).

5. The pressure testing device for detecting the compressor rear cover according to claim 1, characterized in that: a through hole (17) is formed in the movable groove (11), and the telescopic rod (5) is movably mounted in the through hole (17).