CN211855754U

CN211855754U - Pneumatic solenoid valve detection device

Info

Publication number: CN211855754U
Application number: CN202020711163.1U
Authority: CN
Inventors: 陈文杰
Original assignee: Wuxi Smart Automation Technology Co ltd
Current assignee: Wuxi Smart Automation Technology Co ltd
Priority date: 2020-05-03
Filing date: 2020-05-03
Publication date: 2020-11-03
Anticipated expiration: 2030-05-03

Abstract

The utility model discloses a pneumatic solenoid valve detection device, including the testboard, the top fixedly connected with test box of testboard, the inner wall fixedly connected with electric putter of test box, electric putter's top fixedly connected with plummer, the surface of test box is equipped with pressure sensor, the top fixedly connected with connecting pipe of test box, the fixed pressure application room that is provided with in top of connecting pipe, the top of pressure application room is run through the embedding and is had linear electric motor. The utility model discloses a place the pneumatic solenoid valve that awaits measuring at the top of plummer, piston rebound this moment to make the inside atmospheric pressure of test box reduce gradually, through observing the change of pressure sensor number, can detect out whether pneumatic solenoid valve leaks gas, and through observing the position that the liquid bubble produced in the test box, can fix a position the leakage position, thereby realize being convenient for detect and fix a position the purpose of leakage position.

Description

Pneumatic solenoid valve detection device

Technical Field

The utility model relates to a pneumatic solenoid valve detects technical field, specifically is a pneumatic solenoid valve detection device.

Background

The pneumatic electromagnetic valve stops or leaks different oil discharge holes by controlling the movement of the valve body, the oil inlet hole is normally open, hydraulic oil can enter different oil discharge pipes, then the piston of the oil cylinder is pushed by the pressure of the oil of the pneumatic electromagnetic valve, and the mechanical motion of the whole electromagnetic valve is controlled by controlling the current of the electromagnet of the pneumatic electromagnetic valve.

But prior art is when the in-service use, and there is certain gap some when producing into the finished product in the pneumatic solenoid valve of present the vast majority, and the sealed effect is relatively poor to cause easily reveals, is unfavorable for using, consequently need carry out the gas tightness to it and detect, and traditional mode is got rid of the detection to many places through the manual work, and extravagant a large amount of time and work efficiency are low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic solenoid valve detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the test device comprises a test board, wherein a test box is fixedly connected to the top of the test board, an electric push rod is fixedly connected to the inner wall of the test box, a bearing table is fixedly connected to the top of the electric push rod, a pressure sensor is arranged on the surface of the test box, a connecting pipe is fixedly connected to the top of the test box, a pressure application chamber is fixedly arranged at the top of the connecting pipe, a linear motor is embedded into the top of the pressure application chamber in a penetrating mode, an output shaft is fixedly connected to the bottom of the linear motor, a piston is fixedly connected to the bottom of the output shaft, and the piston is movably attached to.

Preferably, the inside of test box is provided with liquid, the inner wall fixedly connected with fixing base of test box, the sealed pad of top fixedly connected with of fixing base, the movable groove has been seted up to the inside of the corresponding electric putter position of fixing base and sealed pad, the inner wall in movable groove and electric putter's surperficial swing joint, the bottom fixedly connected with sealed tube in the corresponding electric putter position of plummer.

Preferably, a sealing ring penetrates through and is embedded in the bottom of the pressure applying chamber corresponding to the connecting pipe, and the sealing ring is tightly attached to the top of the connecting pipe.

Preferably, the top of the surface of the connecting pipe is fixedly connected with a first flange, the surface of the pressure application chamber corresponding to the position of the first flange is fixedly connected with a second flange, and the first flange and the second flange are fixedly connected through bolts.

Preferably, the top of the test board is fixedly connected with an air pump, the output end of the air pump is fixedly connected with a hose, the top of the test board is fixedly connected with a supporting block, and the hose is fixedly penetrated through and extends to two ends of the supporting block.

Preferably, one end of the hose, which is far away from the air pump, is fixedly connected with a drying cover, and the inner wall of the drying cover is fixedly connected with an electric heating wire.

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

1. the utility model discloses a to be measured pneumatic solenoid valve is placed at the top of plummer, and the piston moves upwards this moment to make the atmospheric pressure in the test box reduce gradually, through observing the change of pressure sensor number, can detect out pneumatic solenoid valve whether leaks gas, and through observing the position that the liquid bubble produced in the test box, can fix a position the leakage position, thereby realize the purpose of being convenient for detect and fix a position the leakage position;

2. the utility model discloses still through setting up the fixing base simultaneously, sealed the pad, activity groove and sealed tube for when the inside of test box is examining pneumatic solenoid valve, drive the plummer through electric putter and move down, and make the plummer closely laminate at sealed top of filling up, thereby cooperation sealed tube extrusion when realizing the inside decompression of test box at sealed top of filling up, prevent that the inside air pressure that influences of activity inslot portion from changing and causing the inaccurate condition of detection.

3. The utility model discloses still detect the completion back through to pneumatic solenoid valve simultaneously, the second ring flange drives the plummer rebound to make the plummer drive pneumatic solenoid valve and remove to the top of connecting pipe, the air pump begins work this moment, and make the air pump pass through the hose and heat through the inside electric heating wire of stoving cover with the outside air, dry the heating to the pneumatic solenoid valve at plummer top, get rid of the liquid on pneumatic solenoid valve surface.

Drawings

Fig. 1 is an elevation view of the overall structure of a pneumatic solenoid valve detecting device of the present invention;

FIG. 2 is a front sectional view of the overall structure of the pneumatic solenoid valve detecting device of the present invention;

fig. 3 is a partial front sectional view of a fixing seat structure of the pneumatic solenoid valve detecting device of the present invention.

In the figure: 1. a test bench; 2. a test box; 3. a fixed seat; 4. a gasket; 5. a movable groove; 6. an electric push rod; 7. a bearing table; 8. a sealing tube; 9. a pressure sensor; 10. a connecting pipe; 11. a pressure application chamber; 12. a linear motor; 13. an output shaft; 14. a piston; 15. a first flange plate; 16. a second flange plate; 17. a seal ring; 18. an air pump; 19. a hose; 20. a support block; 21. a drying cover; 22. an electric heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: including testboard 1, testboard 1's top fixed mounting has test box 2, test box 2's inner wall fixed mounting has electric putter 6, electric putter 6's top fixed mounting has plummer 7, test box 2's surface is equipped with pressure sensor 9, test box 2's top fixed mounting has connecting pipe 10, the fixed pressure chamber 11 that is provided with in top of connecting pipe 10, the top of pressure chamber 11 runs through the embedding and has linear electric motor 12, linear electric motor 12's bottom fixed mounting has output shaft 13, the bottom fixed mounting of output shaft 13 has piston 14, and the inner wall of piston 14 activity laminating at pressure chamber 11.

The inside of test box 2 is provided with liquid, and the inner wall fixed mounting of test box 2 has fixing base 3, and the top fixed mounting of fixing base 3 has sealed 4 of filling up, and movable groove 5 has been seted up to fixing base 3 and the inside of the corresponding electric putter 6 position of sealed 4, and the inner wall of movable groove 5 and electric putter 6's surperficial swing joint, and the bottom fixed mounting of the corresponding electric putter 6 position of plummer 7 has sealed tube 8.

A sealing ring 17 is inserted through the bottom of the pressure applying chamber 11 corresponding to the position of the connecting pipe 10, and the sealing ring 17 is tightly attached to the top of the connecting pipe 10.

The top of the surface of the connecting pipe 10 is fixedly provided with a first flange 15, the surface of the pressure application chamber 11 corresponding to the position of the first flange 15 is fixedly provided with a second flange 16, and the first flange 15 and the second flange 16 are fixedly arranged through bolts.

The air pump 18 is fixedly installed at the top of the test bench 1, the hose 19 is fixedly installed at the output end of the air pump 18, the supporting block 20 is fixedly installed at the top of the test bench 1, and the hose 19 fixedly penetrates through and extends to two ends of the supporting block 20.

One end fixed mounting that air pump 18 position was kept away from to hose 19 has stoving cover 21, the inner wall fixed mounting of stoving cover 21 has electric heating wire 22, through detecting the completion back to pneumatic solenoid valve, second ring flange 16 drives plummer 7 rebound, and make plummer 7 drive pneumatic solenoid valve and remove to the top of connecting pipe 10, air pump 18 begins work this moment, and make air pump 18 pass through hose 19 with the outside air and heat through the inside electric heating wire 22 of stoving cover 21, dry the heating to the pneumatic solenoid valve at plummer 7 top, get rid of the liquid on pneumatic solenoid valve surface.

The working principle is as follows: when in use, the utility model is characterized in that the pneumatic solenoid valve to be tested is placed on the top of the bearing platform 7 and is completely immersed in the liquid of the test box 2, at this time, the pressure application chamber 11 and the connecting pipe 10 are fixedly installed, the sealing performance of the joint of the pressure application chamber 11 and the test box 2 is ensured through the connecting pipe 10 and the sealing ring 17, the linear motor 12 is matched with the output shaft 13 to drive the piston 14 to move upwards on the inner wall of the pressure application chamber 11, the air in the test box 2 is pumped out to the inside of the pressure application chamber 11 through the piston 14, the air pressure in the test box 2 is gradually reduced, the initial air pressure in the test box 2 is recorded through the pressure sensor 9, and the changed air pressure in the test box 2 is moved upwards through the piston 14, whether the pneumatic solenoid valve leaks air or not can be detected, the piston 14 moves upwards for the same distance, when the pneumatic solenoid valve leaks air, the air pressure, on the contrary, when the pneumatic electromagnetic valve is airtight, the air pressure change recorded by the pressure sensor 9 is large, and the leakage position can be positioned by observing the position generated by liquid bubbles in the test box 2, so that the aim of conveniently detecting and positioning the leakage position is fulfilled.

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 pneumatic solenoid valve detection device, includes testboard (1), its characterized in that: the testing device is characterized in that a testing box (2) is fixedly connected to the top of the testing platform (1), an electric push rod (6) is fixedly connected to the inner wall of the testing box (2), a bearing platform (7) is fixedly connected to the top of the electric push rod (6), a pressure sensor (9) is arranged on the surface of the testing box (2), a connecting pipe (10) is fixedly connected to the top of the testing box (2), a pressure application chamber (11) is fixedly arranged at the top of the connecting pipe (10), a linear motor (12) is embedded into the top of the pressure application chamber (11) in a penetrating mode, an output shaft (13) is fixedly connected to the bottom of the linear motor (12), a piston (14) is fixedly connected to the bottom of the output shaft (13), and the piston (14) is movably attached to the.

2. The pneumatic solenoid valve detection device according to claim 1, wherein: the inside of test box (2) is provided with liquid, inner wall fixedly connected with fixing base (3) of test box (2), the sealed pad (4) of top fixedly connected with of fixing base (3), movable groove (5) have been seted up to the inside of the corresponding electric putter (6) position of fixing base (3) and sealed pad (4), the inner wall of activity groove (5) and the surface swing joint of electric putter (6), the bottom fixedly connected with sealed tube (8) of the corresponding electric putter (6) position of plummer (7).

3. The pneumatic solenoid valve detection device according to claim 1, wherein: the bottom of the pressure application chamber (11) corresponding to the position of the connecting pipe (10) is penetrated and embedded with a sealing ring (17), and the sealing ring (17) is tightly attached to the top of the connecting pipe (10).

4. The pneumatic solenoid valve detection device according to claim 1, wherein: the top of the surface of the connecting pipe (10) is fixedly connected with a first flange plate (15), the surface of the pressurizing chamber (11) corresponding to the position of the first flange plate (15) is fixedly connected with a second flange plate (16), and the first flange plate (15) is fixedly connected with the second flange plate (16) through bolts.

5. The pneumatic solenoid valve detection device according to claim 1, wherein: the air pump is fixedly connected to the top of the test bench (1), the output end of the air pump (18) is fixedly connected with a hose (19), the top of the test bench (1) is fixedly connected with a supporting block (20), and the hose (19) fixedly penetrates through and extends to two ends of the supporting block (20).

6. A pneumatic solenoid valve detection device according to claim 5, wherein: one end of the hose (19) far away from the air pump (18) is fixedly connected with a drying cover (21), and the inner wall of the drying cover (21) is fixedly connected with an electric heating wire (22).