CN216954979U

CN216954979U - Special aerating device of steering engine air-tight test

Info

Publication number: CN216954979U
Application number: CN202123307720.7U
Authority: CN
Inventors: 佟远辉; 许晓舟; 钟俊
Original assignee: Bosch Huayu Steering Systems Co Ltd
Current assignee: Bosch Huayu Steering Systems Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-12
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of machinery, in particular to a special inflating device for a steering engine air tightness test, which comprises a hoop, an axial adjusting rod, a radial adjusting rod, an inflating joint and a quick-plugging joint, wherein a first positioning hole which transversely penetrates through the bottom of the hoop is formed in the bottom of the hoop, one end of the axial adjusting rod penetrates through the first positioning hole and is fixed together, a second positioning hole which vertically penetrates through the other end of the axial adjusting rod is formed in the other end of the axial adjusting rod, one end of the radial adjusting rod penetrates through the second positioning hole and is fixed, a pressing end is arranged at the other end of the radial adjusting rod, the tail end of the inflating joint is embedded in the pressing end, and a silica gel sealing ring and the quick-plugging joint are arranged on the inflating joint. Compared with the prior art, the air-tight test is carried out by directly installing the inflating device without disassembling the one-way valve of the steering engine, so that the leakage risk of the subsequent test is reduced; the inflation joint adopts a silica gel sealing ring for external sealing, and the sealing effect after repeated disassembly and assembly is good; the structures of the clamp, the axial adjusting rod and the radial adjusting rod are convenient to install and adjust, and the application range is wide.

Description

Special aerating device of steering engine air-tight test

Technical Field

The utility model relates to the technical field of machinery, in particular to a special inflating device for an air tightness test of a steering machine.

Background

The air tightness test of the steering system is one of important indexes in an environmental test project, and whether the sealing part inside the steering machine has obvious leakage or not can be effectively judged through the air tightness test. The air tightness test is divided into a negative pressure test and a positive pressure test, and generally, the steering engine is vacuumized or charged with compressed air through a one-way valve of an ECU (electronic control unit) of the steering engine.

In the prior art, when the air tightness test is carried out, an alternative joint of the ECU one-way valve needs to be prepared in advance, the original ECU one-way valve of the steering engine needs to be disassembled during the test, and then the alternative joint is installed and air is filled through the alternative joint. This approach has the following problems:

1, the state of a sealing ring of a substitute joint is different from the sealing part of the original ECU one-way valve of the steering engine inevitably, the sealing effect of the joint assembled on the steering engine is not ideal, and leakage often exists.

2, when dismantling the original ECU check valve of the steering gear, can cause the damage of certain degree to the sealed position of check valve, influence the sealed effect of check valve, done the air-tight test after, can bring the leakage risk for subsequent immersion test, sewage test.

3, when a plurality of samples were tested, need the dismouting repeatedly and replace the joint, replace the joint and extremely fragile at the dismantlement in-process, greatly reduced experimental work efficiency.

Therefore, the special inflating device for the air-tight test of the steering engine needs to be designed, the air-tight test can be carried out without disassembling the one-way valve of the steering engine, and the leakage risk of the subsequent test is reduced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides the special inflating device for the steering engine air tightness test, the air tightness test can be carried out without disassembling a one-way valve of the steering engine, and the leakage risk of the subsequent test is reduced.

In order to achieve the purpose, the utility model provides a special inflating device for a steering engine air tightness test, which comprises a hoop, an axial adjusting rod, a radial adjusting rod, an inflating joint and a quick-inserting joint, wherein a first positioning hole which transversely penetrates through the bottom of the hoop is formed, one end of the axial adjusting rod penetrates through the positioning hole and is fixed together, a second positioning hole which penetrates through the axial adjusting rod up and down is formed in the other end of the axial adjusting rod, one end of the radial adjusting rod penetrates through the second positioning hole and is fixed, a pressing end is formed in the other end of the radial adjusting rod, the tail end of the inflating joint is embedded in the pressing end, and a silica gel sealing ring and the quick-inserting joint are arranged on the inflating joint.

The clamp suit outside the motor that turns to the machine, the head of aerifing the joint insert to turn to the one-way valve seat hole of machine inside, the laminating of silica gel sealing washer turn to one-way valve seat hole outer fringe of machine.

And two ends of the hoop are fixed by a first screw.

The axial adjusting rod and the hoop are fixed by a second screw.

The axial adjusting rod and the radial adjusting rod are fixed by a third screw.

And a fourth screw is arranged on the end face of the compression end, penetrates through the compression end and abuts against the tail end of the inflation connector.

Compared with the prior art, the special inflating device for the steering engine air tightness test is designed, the one-way valve of the steering engine does not need to be disassembled, the inflating device is directly installed for the air tightness test, and the leakage risk of the subsequent test is reduced; the inflation joint adopts a silica gel sealing ring for external sealing, and the sealing effect after repeated disassembly and assembly is good; the structure of clamp, axial adjusting rod and radial adjusting rod is convenient for install and adjust, and application scope is wide.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a schematic diagram of the present invention.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model provides a special inflating device for a steering engine air tightness test, which comprises a clamp, an axial adjusting rod, a radial adjusting rod, an inflating joint and a quick connector, wherein a first positioning hole which transversely penetrates through the bottom of the clamp 1 is formed, one end of the axial adjusting rod 4 penetrates through the positioning hole and is fixed together, a second positioning hole which penetrates through the axial adjusting rod 4 from top to bottom is formed in the other end of the axial adjusting rod 4, one end of the radial adjusting rod 6 penetrates through the second positioning hole and is fixed, a pressing end is arranged at the other end of the radial adjusting rod 6, the tail end of the inflating joint 8 is embedded in the pressing end, and a silica gel sealing ring and the quick connector 9 are arranged on the inflating joint 8.

When the steering engine sealing ring works, the hoop 1 is sleeved outside a motor of a steering engine, the head part of the inflation connector 8 is inserted into the inner part of the one-way valve seat hole of the steering engine, and the silica gel sealing ring is attached to the outer edge of the one-way valve seat hole of the steering engine.

In order to facilitate installation and fixation, two ends of the clamp 1 are fixed by the first screws 2. The axial adjusting rod 4 and the hoop 1 are fixed by a second screw 3. The axial adjusting rod 4 and the radial adjusting rod 6 are fixed by a third screw 5.

In order to press the inflation connector 8 conveniently, the end face of the pressing end is provided with a screw four 7, and the screw four 7 penetrates through the pressing end and abuts against the tail end of the inflation connector 8.

Referring to fig. 3, a hoop 1 is sleeved on a motor of a steering engine, can be rotatably adjusted in the circumferential direction of the motor according to the position requirement of a one-way valve 10 of the steering engine, and is locked by a screw I2. The extension length of the axial adjusting rod 4 can be flexibly adjusted within a certain range according to the position of the hoop 1 on the motor, and the axial adjusting rod is locked by the second screw 3. The extension length of the radial adjusting rod 6 can be flexibly adjusted according to the position of the one-way valve and is locked by a third screw 5. The head guide part of the inflation connector 8 is inserted into the one-way valve seat hole of the steering gear, the silica gel sealing ring is attached to the outer edge of the one-way valve seat hole, and the tail end cylindrical part is embedded into the pressing end inner hole of the radial adjusting rod 6. The silica gel sealing ring of the inflation joint 8 can be compressed and sealed on the one-way valve seat hole through the adjusting screw IV 7, and inflation or vacuum pumping is realized through the quick-connection plug 9.

The special inflating device for the steering engine air tightness test is designed, the one-way valve of the steering engine does not need to be disassembled, the inflating device is directly installed for the air tightness test, and the leakage risk of the subsequent test is reduced; the inflation joint adopts a silica gel sealing ring for external sealing, and the sealing effect after repeated disassembly and assembly is good; the structure of clamp, axial adjusting rod and radial adjusting rod is convenient for install and adjust, and application scope is wide.

Claims

1. The utility model provides a special aerating device of steering engine gas tightness test, includes clamp, axial adjusting pole, radial adjusting pole, inflatable joint, quick connector, its characterized in that: the bottom of clamp (1) is equipped with the locating hole one that transversely runs through, the one end of axial adjusting pole (4) is passed the locating hole and is fixed in the lump, the other end of axial adjusting pole (4) is equipped with locating hole two that runs through from top to bottom, the one end of radial adjusting pole (6) is passed locating hole two and is fixed, the other end of radial adjusting pole (6) is equipped with and compresses tightly the end, the tail end of air inflation joint (8) is inlayed and is established in compressing tightly the end, be equipped with silica gel sealing washer and quick connector (9) on air inflation joint (8).

2. The special inflating device for the steering engine air tightness test according to claim 1, wherein: the suit of clamp (1) outside the motor that turns to the machine, the head of aerifing joint (8) insert to turn to the one-way valve seat downthehole portion of machine, the laminating of silica gel sealing washer turn to one-way valve seat hole outer fringe of machine.

3. The special inflating device for the steering engine air tightness test according to claim 1, wherein: two ends of the hoop (1) are fixed by the first screws (2).

4. The special inflating device for the steering engine air tightness test according to claim 1, wherein: the axial adjusting rod (4) and the hoop (1) are fixed by a second screw (3).

5. The special inflating device for the steering engine air tightness test according to claim 1, wherein: the axial adjusting rod (4) and the radial adjusting rod (6) are fixed by a third screw (5).

6. The special inflating device for the steering engine air tightness test according to claim 1, wherein: and a screw IV (7) is arranged on the end surface of the compression end, and the screw IV (7) penetrates through the compression end and props against the tail end of the inflation joint (8).