CN220187961U

CN220187961U - Bearing high-precision exhaust valve port airtight detection device

Info

Publication number: CN220187961U
Application number: CN202321339731.XU
Authority: CN
Inventors: 雒应学; 周爱民
Original assignee: Guangzhou Deshan Cnc Technology Co ltd
Current assignee: Guangzhou Deshan Cnc Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-15
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a bearing high-precision air exhaust valve port air tightness detection device, which relates to the technical field of air tightness detection and comprises a detection chamber, an air pump, a bearing and an exhaust valve, wherein a placement seat is fixedly arranged at the bottom of the detection chamber, an air sensor is fixedly arranged in the placement seat, the bearing is placed at the top of the placement seat, and the exhaust valve is fixedly arranged at the bottom of the bearing; the top of detecting the room is fixed and is equipped with the cylinder, the terminal elasticity of piston rod of cylinder is equipped with the closing plate, the fixed intake pipe that can stretch into to the bearing inside that is equipped with in middle part of closing plate, gas flowmeter is installed to the pipe wall of intake pipe, and the terminal fixed connection pipe that is equipped with of intake pipe, air pump fixed mounting is in the top of detecting the room, and the output of air pump and the one end fixed connection of connecting pipe. The utility model can accurately detect the air tightness of the bearing high-precision exhaust valve port and has high detection efficiency.

Description

Bearing high-precision exhaust valve port airtight detection device

Technical Field

The utility model relates to the technical field of airtight detection, in particular to a bearing high-precision exhaust valve port airtight detection device.

Background

The bearing is a supporting piece in the mechanical transmission mechanism and is used for determining the relative motion position of the rotating shaft and other parts, the quality and the bearing capacity of the bearing directly influence the working performance of the whole machine, and the compressor can be driven to move through the operation of the bearing. In the existing compressor, high-precision exhaust valves which can be elastically bent in bearings are generally utilized to flexibly control the discharge of high-pressure gas in a cylinder from an exhaust port. That is, when the gas pressure in the cylinder is too high, the exhaust valve is pressed and bent, so that the exhaust port is opened to exhaust the gas, and when the gas pressure is insufficient to prop up the exhaust valve port, the exhaust valve always covers the exhaust port, so that the air tightness of the bearing exhaust valve port is important.

However, the existing bearing high-precision exhaust valve port air tightness detection process is single, the air leakage characteristic of the bearing cannot be directly judged, and the detection efficiency is directly influenced by matching with a special air tightness leak detector. Therefore, a high-precision air tightness detection device for the exhaust valve port of the bearing is provided.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with the conventional bearing high-precision exhaust valve port tightness detection device.

Therefore, the utility model aims to provide the bearing high-precision exhaust valve port air tightness detection device, and solves the problems proposed by the background technology.

In order to achieve the above object, the present utility model provides the following technical solutions:

the bearing high-precision air-tightness detection device for the exhaust valve port comprises a detection chamber, an air pump, a bearing and an exhaust valve, wherein a placement seat is fixedly arranged at the bottom of the detection chamber, a gas sensor is fixedly installed in the placement seat, the bearing is placed at the top of the placement seat, and the exhaust valve is fixedly installed at the bottom of the bearing;

the top of detecting the room is fixed and is equipped with the cylinder, the terminal elasticity of piston rod of cylinder is equipped with the closing plate, the fixed intake pipe that can stretch into to the bearing inside that is equipped with in middle part of closing plate, gas flowmeter is installed to the pipe wall of intake pipe, and the terminal fixed connection pipe that is equipped with of intake pipe, air pump fixed mounting is in the top of detecting the room, and the output of air pump and the one end fixed connection of connecting pipe.

Preferably, the placing seat is an annular seat, an installation rod is fixedly arranged in the placing seat, and the gas sensor is fixedly arranged on the rod wall of the installation rod.

Preferably, the two sides of the placement seat are provided with air outlet holes.

Preferably, the end of the piston rod of the cylinder is fixedly provided with a mounting plate, two sides of the mounting plate are respectively provided with a sliding rod, the lower ends of the two sliding rods are fixedly provided with the same U-shaped plate, the bottom of the U-shaped plate is fixedly connected with a sealing plate, the rod wall of the sliding rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the mounting plate and the U-shaped plate.

Preferably, an anti-falling stop block is fixedly arranged at the upper end of the sliding rod.

Preferably, a rubber sealing gasket is fixedly arranged on the lower surface of the sealing plate.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, the air pump, the placement seat, the gas sensor, the air cylinder, the sealing plate, the air inlet pipe and the connecting pipe are arranged, the air cylinder stretches out to enable the sealing plate to move downwards, the air inlet pipe on the sealing plate is inserted into the bearing, then the air pump works to blow in gas into the bearing, so that the internal pressure of the bearing and the exhaust valve is increased, at the moment, the gas flowmeter can record the amount of gas discharged into the bearing until the exhaust valve leaks and is detected by the gas sensor, and at the moment, the air tightness of the high-precision exhaust valve port of the bearing is accurately detected.

2. According to the utility model, the mounting plate, the sliding rod, the U-shaped plate and the spring are arranged, so that the sealing plate and the mounting plate move through the sliding rod and are extruded through the spring when the sealing plate contacts with the bearing, and the sealing plate has an elastic expansion function, so that the phenomenon that the sealing plate extrudes and damages the bearing is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the placement seat according to the present utility model;

fig. 3 is a schematic structural view of a sealing plate connection according to the present utility model.

Reference numerals illustrate:

1. a detection chamber; 2. a bearing; 3. an exhaust valve; 4. an air pump; 5. a placement seat; 6. a gas sensor; 7. a cylinder; 8. a sealing plate; 9. an air inlet pipe; 10. a connecting pipe; 11. a mounting rod; 12. an air outlet hole; 13. a mounting plate; 14. a slide bar; 15. a U-shaped plate; 16. a spring; 17. an anti-falling stop block; 18. and a rubber gasket.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a bearing high-precision exhaust valve port air tightness detection device.

The utility model provides a bearing high-precision air-tightness detection device for an air discharge valve port, which is shown in fig. 1-2, and comprises a detection chamber 1, an air pump 4, a bearing 2 and an air discharge valve 3, wherein the front surface of the detection chamber 1 is provided with a sealing door, the bottom of the detection chamber 1 is fixedly provided with a placement seat 5, the inside of the placement seat 5 is fixedly provided with a gas sensor 6, the bearing 2 is placed on the top of the placement seat 5, the air discharge valve 3 is fixedly arranged at the bottom of the bearing 2, the placement seat 5 adopts an annular seat, the inside of the placement seat 5 is fixedly provided with a mounting rod 11, the gas sensor 6 is fixedly arranged on the rod wall of the mounting rod 11, both sides of the placement seat 5 are provided with air outlet holes 12, the gas sensor 6 can detect gas discharged from the inside of the air discharge valve 3, and the air outlet holes 12 can ensure the gas discharged from the inside of the placement seat 5. The top of detecting chamber 1 is fixed and is equipped with cylinder 7, the terminal elasticity of piston rod of cylinder 7 is equipped with closing plate 8, the lower fixed surface of closing plate 8 is equipped with rubber seal 18, rubber seal 18 multiplicable and the contact leakproofness of bearing 2, the fixed intake pipe 9 that can stretch into to bearing 2 inside that is equipped with in middle part of closing plate 8, gas flowmeter is installed to the pipe wall of intake pipe 9, and the terminal fixed connecting pipe 10 that is equipped with of intake pipe 9, air pump 4 fixed mounting is in the top of detecting chamber 1, and the output of air pump 4 and the one end fixed connection of connecting pipe 10.

In order to avoid the phenomenon that the sealing plate 8 and the bearing 2 are extruded and damaged, as shown in fig. 1 and 3, the tail end of a piston rod of the air cylinder 7 is fixedly provided with a mounting plate 13, two sides of the mounting plate 13 are respectively provided with a sliding rod 14, the lower ends of the two sliding rods 14 are fixedly provided with the same U-shaped plate 15, the bottom of the U-shaped plate 15 is fixedly connected with the sealing plate 8, the rod wall of the sliding rod 14 is sleeved with a spring 16, two ends of the spring 16 are respectively fixedly connected with the mounting plate 13 and the U-shaped plate 15, and when the sealing plate 8 is contacted with the bearing 2, the sealing plate 8 and the mounting plate 13 move through the sliding rod 14 and extrude the spring 16, so that the sealing plate 8 has an elastic telescopic function, and the phenomenon that the sealing plate 8 damages the bearing 2 by extrusion is avoided; the upper end of the slide bar 14 is fixedly provided with an anti-falling stop block 17, and the anti-falling stop block 17 can avoid the phenomenon that the slide bar 14 is separated from the mounting plate 13.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The bearing high-precision air exhaust valve port airtight detection device comprises a detection chamber (1), an air pump (4), a bearing (2) and an exhaust valve (3), and is characterized in that a placement seat (5) is fixedly arranged at the bottom of the detection chamber (1), an air sensor (6) is fixedly installed in the placement seat (5), the bearing (2) is placed at the top of the placement seat (5), and the exhaust valve (3) is fixedly installed at the bottom of the bearing (2);

the top of detection room (1) is fixed and is equipped with cylinder (7), the terminal elasticity of piston rod of cylinder (7) is equipped with closing plate (8), the middle part of closing plate (8) is fixed and is equipped with intake pipe (9) that can stretch into inside bearing (2), gas flowmeter is installed to the pipe wall of intake pipe (9), and the terminal fixed connection pipe (10) that are equipped with of intake pipe (9), air pump (4) fixed mounting is in the top of detection room (1), and the output of air pump (4) and the one end fixed connection of connecting pipe (10).

2. The bearing high-precision exhaust valve port airtight detection device according to claim 1, wherein the placement seat (5) is an annular seat, an installation rod (11) is fixedly arranged in the placement seat (5), and the gas sensor (6) is fixedly installed on the rod wall of the installation rod (11).

3. The bearing high-precision exhaust valve port airtight detection device according to claim 1, wherein the two sides of the placement seat (5) are provided with air outlet holes (12).

4. The bearing high-precision air-tightness detection device for the exhaust valve port according to claim 1, wherein a mounting plate (13) is fixedly arranged at the tail end of a piston rod of the air cylinder (7), sliding rods (14) are arranged on two sides of the mounting plate (13), one U-shaped plate (15) is fixedly arranged at the lower ends of the two sliding rods (14), the bottom of the U-shaped plate (15) is fixedly connected with a sealing plate (8), a spring (16) is sleeved on a rod wall of the sliding rod (14), and two ends of the spring (16) are fixedly connected with the mounting plate (13) and the U-shaped plate (15) respectively.

5. The device for detecting the tightness of the high-precision exhaust valve port of the bearing according to claim 4, wherein an anti-falling stop block (17) is fixedly arranged at the upper end of the sliding rod (14).

6. The bearing high-precision exhaust valve port air tightness detection device according to claim 1, wherein a rubber sealing gasket (18) is fixedly arranged on the lower surface of the sealing plate (8).