CN214309360U - Air tightness detection device for liquid storage cylinder of automobile shock absorber - Google Patents
Air tightness detection device for liquid storage cylinder of automobile shock absorber Download PDFInfo
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- CN214309360U CN214309360U CN202120250741.0U CN202120250741U CN214309360U CN 214309360 U CN214309360 U CN 214309360U CN 202120250741 U CN202120250741 U CN 202120250741U CN 214309360 U CN214309360 U CN 214309360U
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Abstract
The air tightness detection device for the liquid storage cylinder of the automobile shock absorber comprises a supporting device, wherein the supporting device comprises a bracket and a supporting block, the supporting block is arranged at the upper part of the bracket, a guide rod is fixedly arranged on the supporting block, a sliding block and a cylinder body positioning device are arranged on the guide rod, and a sliding pair is formed between the guide rod and the sliding block; the pneumatic detection device is characterized in that a displacement adjusting mechanism is arranged between the sliding block and the supporting block, an air cylinder is fixed on the sliding block, a sealing detection plug is connected to a piston rod of the air cylinder, the sealing detection plug is connected with an air source through an air pipe, a pressure gauge is arranged on the air pipe, and the pressure gauge is electrically connected with a control system. The utility model discloses an automobile shock absorber ware liquid receiver gas tightness check out test set can guarantee to detect reliably, simple operation, degree of automation height through adopting specific structure.
Description
Technical Field
The utility model relates to an air tightness detection technology specifically relates to automobile shock absorber ware liquid receiver gas tightness check out test set.
Background
The automobile is the most common vehicle in daily life, the safety and comfort of the automobile are very important problems in the use of the automobile, in order to improve the safety and comfort of the automobile in running, a shock absorber is adopted in an automobile suspension system, the shock absorber mainly comprises a spring and a damper, and in the internal structure of the damper, a liquid storage cylinder is an important component of the damper. When the shock absorber works, oil is filled in the liquid storage cylinder, the piston rod drives the piston to move up and down in the liquid storage cylinder, the oil flows in the valve, vibration in the driving process of an automobile is buffered, the pressure on the inner wall of the liquid storage cylinder is high, and if the air tightness of the inner wall of the liquid storage cylinder is insufficient, the normal use of the shock absorber is affected. In the prior art, equipment specially used for automatically detecting the air tightness of a liquid storage cylinder of an automobile shock absorber is lacked. Therefore, the air tightness detection device for the liquid storage cylinder of the automobile shock absorber is required to be developed, and the air tightness detection device is reliable in detection, convenient to operate and high in automation degree.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model provides an automobile shock absorber ware liquid receiver gas tightness check out test set, this check out test set can guarantee to detect reliably, simple operation, degree of automation height.
The utility model discloses technical scheme as follows:
the air tightness detection device for the liquid storage cylinder of the automobile shock absorber comprises a supporting device, wherein the supporting device comprises a bracket and a supporting block, the supporting block is arranged at the upper part of the bracket, a guide rod is fixedly arranged on the supporting block, a sliding block and a cylinder body positioning device are arranged on the guide rod, and a sliding pair is formed between the guide rod and the sliding block; the pneumatic detection device is characterized in that a displacement adjusting mechanism is arranged between the sliding block and the supporting block, an air cylinder is fixed on the sliding block, a sealing detection plug is connected to a piston rod of the air cylinder, the sealing detection plug is connected with an air source through an air pipe, a pressure gauge is arranged on the air pipe, and the pressure gauge is electrically connected with a control system.
The utility model discloses an adopt the gas tightness check out test set of special design, carry out the gas tightness to automobile shock absorber ware liquid receiver and detect. The liquid storage cylinder is positioned and installed through the cylinder positioning device, the air cylinder drives the sealing detection plug to tightly press the liquid storage cylinder to form a sealed space, air is input from the sealing detection plug through the air pipe, if the air tightness of the liquid storage cylinder is good, the pressure in the sealed space will rise, the air tightness of the liquid storage cylinder can be considered to be qualified after the pressure reaches a limit value, the control system stops the input of the air, and the detection is completed. The detection principle of the equipment is simple, and the equipment can work stably and reliably; in the whole detection process, after the liquid storage barrel is placed on the barrel positioning device, other detection steps are controlled by the control system, the liquid storage barrel is taken out after detection is finished only by starting the switch, and the whole process is convenient to operate and high in automation degree.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the displacement adjusting mechanism comprises a screw rod, a transmission sleeve and an adjusting handle, the transmission sleeve is fixed on the sliding block, the upper end of the screw rod is connected with the supporting block to form a rotating pair, the upper end of the screw rod is connected with the adjusting handle, and the lower end of the screw rod is connected with the transmission sleeve. Through the cooperation of lead screw and adjustment handle, can adjust the position of slider simply conveniently.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the cylinder positioning device comprises a cylinder positioning V-shaped block, an installation block and a cylinder installation seat, the cylinder positioning V-shaped block is fixed on the guide rod, the lower end of the guide rod is connected with the installation block, the installation block is provided with the cylinder installation seat, and the installation center line of the cylinder installation seat coincides with the installation center line of the air cylinder. The liquid storage cylinder is positioned and installed simply and conveniently through the matching of the cylinder positioning V-shaped block and the cylinder installation seat.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the sealing detection plug comprises a connector, a leakage test plug and a connecting screw, the connector is connected with the leakage test plug through the connecting screw, an air inlet is formed in the connector, and a through hole is formed in the connecting screw. The sealing detection plug is designed by adopting a plurality of parts, and is convenient to process and install. Furthermore, the connector is connected with the piston rod of the cylinder through threads.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the supporting device is provided with a leakage testing groove, and the cylinder mounting seat is placed in the leakage testing groove. The tail end of the liquid storage barrel is placed in water liquid in the leakage test groove, and in the detection process, if bubbles emerge from the water liquid in the leakage test groove, the air tightness of the liquid storage barrel is unqualified, and the leakage test groove can be used for assisting in judging the air tightness of the liquid storage barrel.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the guide rod is obliquely arranged on the bracket. The guide rod is obliquely arranged, so that the liquid storage barrel is convenient to put and take in the detection process, and meanwhile, the liquid storage barrel can be fixed by utilizing the gravity of the liquid storage barrel.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the cylinder mounting seat is connected with the mounting block through a screw at the tail end. The cylinder mounting seat is adjusted in height through the screw rod, and air tightness detection can be performed for liquid storage cylinders with different lengths.
Preferably, in the air tightness detection device for the liquid storage cylinder of the automobile shock absorber, the control system comprises a PLC controller and an electromagnetic switch valve, the electromagnetic switch valve is arranged on the air pipe, and the electromagnetic switch valve is electrically connected with the PLC controller. When the pressure of the pressure gauge reaches a limit value, the PLC controller can close the electromagnetic switch valve, so that the input of gas is stopped.
To sum up, the utility model discloses an automobile shock absorber ware liquid receiver gas tightness check out test set drives through the cylinder that the sealed end cap that detects sticiss on liquid receiver and form the confined space, lets in gas again in the confined space, judges the gas tightness of liquid receiver good or bad through the change of pressure in the confined space, and after liquid receiver is installed, whole testing process is controlled by control system and is accomplished. The detection equipment can ensure reliable detection, convenient operation and high automation degree. And simultaneously, the utility model discloses an automobile shock absorber ware liquid receiver gas tightness check out test set still has easy to carry out, the reliability is high, possess the little advantage in space.
Drawings
FIG. 1 is a schematic structural view of the air tightness detecting device for the liquid storage cylinder of the automobile shock absorber;
FIG. 2 is a front view of the air tightness detecting device for the liquid storage cylinder of the automobile shock absorber;
FIG. 3 is a view taken along line A of FIG. 2;
FIG. 4 is an enlarged view of circle B of FIG. 3;
FIG. 5 is an enlarged view of circle C of FIG. 3;
the labels in the figures are: 1-supporting device, 101-bracket, 102-supporting block; 2-a guide rod; 3-a slide block; 4-cylinder positioning device, 401-cylinder positioning V-shaped block, 402-mounting block, 403-cylinder mounting seat and 403A-screw; 5-displacement adjusting mechanism, 501-screw rod, 502-transmission sleeve, 503-handle; 6-cylinder; 7-a sealing detection plug, 701-a connector, 702-a leakage test plug, 703-a connecting screw and 701A-an air inlet hole; 8-trachea; 9-a gas source; 10-a manometer; 11-a leakage testing groove; 12-a liquid reservoir; 13-a PLC controller; 14-electromagnetic switch valve.
Detailed Description
The invention is further described in the following detailed description (including examples) with reference to the drawings but not as a basis for the limitation of the invention.
Referring to fig. 1-5, the air tightness detecting device for the liquid storage cylinder of the automobile shock absorber comprises a supporting device 1, wherein the supporting device comprises a bracket 101 and a supporting block 102, the supporting block 102 is installed on the upper portion of the bracket 101, a guide rod 2 is fixedly arranged on the supporting block 102, a sliding block 3 and a cylinder positioning device 4 are arranged on the guide rod 2, and a sliding pair is formed between the guide rod 2 and the sliding block 3; a displacement adjusting mechanism 5 is arranged between the sliding block 3 and the supporting block 102, an air cylinder 6 is fixed on the sliding block 3, a sealing detection plug 7 is connected to a piston rod of the air cylinder 6, the sealing detection plug 7 is connected with an air source 9 through an air pipe 8, a pressure gauge 10 is arranged on the air pipe 8, and the pressure gauge 10 is electrically connected with a control system.
When the device is used, the liquid storage cylinder 12 of the automobile shock absorber is arranged on the cylinder positioning device 4, the air cylinder 6 drives the sealing detection plug 7 to be tightly pressed on the upper part of the liquid storage cylinder 12 to form a sealed space, gas output from the air source 9 enters the sealed space through the air pipe 8 and the sealing detection plug 7, if the air tightness of the liquid storage cylinder 12 is good, the pressure intensity in the sealed space will rise, after 4-5 seconds, if the pressure intensity in the sealed space can reach a limit value, the air tightness detection of the liquid storage cylinder 12 is qualified, at the moment, the control system stops the input of the gas, the detection is finished, the air cylinder 6 drives the sealing detection plug 7 to be loosened from the upper part of the liquid storage cylinder 12, and the next workpiece is tested; if the reading of the pressure gauge 10 has not reached the limit value, it is judged that the airtightness of the liquid cartridge 12 has been checked.
As a specific embodiment of the present invention, see fig. 1 to 5:
the displacement adjusting mechanism 5 comprises a screw rod 501, a transmission sleeve 502 and an adjusting handle 503, the transmission sleeve 502 is fixed on the sliding block 3, the upper end of the screw rod 501 is connected with the supporting block 102 to form a rotating pair, the upper end of the screw rod 501 is connected with the adjusting handle, the screw rod 501 is connected with the lower end of the screw rod 501 and the transmission sleeve 502. The position of the sliding block 3 can be simply and conveniently adjusted through the matching of the screw rod 501 and the adjusting handle 503.
The cylinder positioning device 4 comprises a cylinder positioning V-shaped block 401, an installation block 402 and a cylinder installation seat 403, the cylinder positioning V-shaped block 401 is fixed on the guide rod 2, the lower end of the guide rod 2 is connected with the installation block 402, the cylinder installation seat 403 is arranged on the installation block 402, and the installation center line of the cylinder installation seat 403 is overlapped with the installation center line of the cylinder 6. The fitting of the cartridge positioning V-block 401 to the cartridge mount 403 makes the mounting and positioning of the liquid cartridge 12 simple and convenient.
The sealing detection plug 7 comprises a connector 701, a leakage testing plug 702 and a connecting screw 703, the connector 701 is connected with the leakage testing plug 702 through the connecting screw 703, an air inlet hole 701A is formed in the connector 701, and a through hole is formed in the connecting screw 703. The sealing detection plug 7020 is designed by a plurality of parts, and is convenient to process and install. Further, the connector 701 is connected with a cylinder piston rod through a thread.
The support device 1 is provided with a leakage test groove 11, and the cylinder mounting seat 403 is placed in the leakage test groove 11. The end of the liquid storage barrel 12 is placed in the water liquid in the leakage test groove 11, and in the detection process, if bubbles emerge from the water liquid in the leakage test groove 11, the air tightness of the liquid storage barrel 12 is not qualified, and the leakage test groove 11 can be used for assisting in judging whether the air tightness of the liquid storage barrel 12 is good or bad.
Preferably, in the aforementioned device for detecting the airtightness of the liquid storage cylinder of the shock absorber for the automobile, the guide rod 2 is obliquely installed on the bracket 101. The guide rod 2 is obliquely arranged, so that the liquid storage barrel 12 can be conveniently placed and taken in the detection process, and meanwhile, the liquid storage barrel 12 can be fixed by utilizing the gravity of the liquid storage barrel 12.
The barrel mount 403 is connected to the mounting block 402 by a threaded rod 403A at the end. The cylinder mounting base 403 can be adjusted in height by the screw 403A, and airtightness can be detected even for liquid containers 12 of different lengths.
The control system comprises PLC 13 and electromagnetic switch valve 14, electromagnetic switch valve 14 is located on trachea 8, electromagnetic switch valve 14 and PLC 13 electric connection. When the pressure of the pressure gauge 10 reaches a limit value, the PLC controller 13 closes the electromagnetic opening/closing valve 14, thereby stopping the gas input.
The above general description of the invention and the description of its specific embodiments in this application should not be construed as limiting the scope of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the scope of the present application according to the disclosure of the present application without departing from the components of the present invention.
Claims (9)
1. Automobile shock absorber ware liquid receiver gas tightness check out test set, its characterized in that: the device comprises a supporting device (1), wherein the supporting device comprises a bracket (101) and a supporting block (102), the supporting block (102) is installed on the upper portion of the bracket (101), a guide rod (2) is fixedly arranged on the supporting block (102), a sliding block (3) and a cylinder positioning device (4) are arranged on the guide rod (2), and a sliding pair is formed between the guide rod (2) and the sliding block (3); be equipped with displacement adjustment mechanism (5) between slider (3) and supporting shoe (102), be fixed with cylinder (6) on slider (3), be connected with sealed detection end cap (7) on the piston rod of cylinder (6), sealed detection end cap (7) link to each other with air supply (9) through trachea (8), be equipped with manometer (10) on trachea (8), manometer (10) and control system electric connection.
2. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 1, wherein: the displacement adjusting mechanism (5) comprises a screw rod (501), a transmission sleeve (502) and an adjusting handle (503), the transmission sleeve (502) is fixed on the sliding block (3), the upper end of the screw rod (501) is connected with the supporting block (102) to form a rotating pair, the upper end of the screw rod (501) is connected with the adjusting handle, the screw rod (501) is connected with the lower end of the screw rod (501) and the transmission sleeve (502).
3. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 1, wherein: barrel positioner (4) are including barrel location V type piece (401), installation piece (402) and barrel mount pad (403), barrel location V type piece (401) are fixed on guide arm (2), the lower extreme and the installation piece (402) of guide arm (2) link to each other, be equipped with barrel mount pad (403) on installation piece (402), the installation central line of barrel mount pad (403) and the installation central line coincidence of cylinder (6).
4. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 1, wherein: the sealing detection plug (7) comprises a connector (701), a leakage testing plug (702) and a connecting screw (703), the connector (701) is connected with the leakage testing plug (702) through the connecting screw (703), an air inlet hole (701A) is formed in the connector (701), and a through hole is formed in the connecting screw (703).
5. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 4, wherein: the connector (701) is connected with a cylinder piston rod through threads.
6. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 3, wherein: a leakage testing groove (11) is formed in the supporting device (1), and the cylinder body mounting seat (403) is placed in the leakage testing groove (11).
7. The airtightness detecting apparatus for a liquid reservoir of a shock absorber for an automobile according to any one of claims 1 to 5, wherein: the guide rod (2) is obliquely arranged on the bracket (101).
8. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 3, wherein: the cylinder mounting seat (403) is connected with the mounting block (402) through a screw (403A) at the tail end.
9. The airtightness detection apparatus for a liquid receiver of a shock absorber for an automobile according to claim 1, wherein: the control system comprises PLC controller (13) and electromagnetic switch valve (14), on trachea (8) was located in electromagnetic switch valve (14), electromagnetic switch valve (14) and PLC controller (13) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250741.0U CN214309360U (en) | 2021-01-28 | 2021-01-28 | Air tightness detection device for liquid storage cylinder of automobile shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250741.0U CN214309360U (en) | 2021-01-28 | 2021-01-28 | Air tightness detection device for liquid storage cylinder of automobile shock absorber |
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| CN214309360U true CN214309360U (en) | 2021-09-28 |
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| CN202120250741.0U Active CN214309360U (en) | 2021-01-28 | 2021-01-28 | Air tightness detection device for liquid storage cylinder of automobile shock absorber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984290A (en) * | 2021-11-01 | 2022-01-28 | 西格迈股份有限公司 | Double-opening automobile shock absorber airtightness detection device and detection method thereof |
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2021
- 2021-01-28 CN CN202120250741.0U patent/CN214309360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984290A (en) * | 2021-11-01 | 2022-01-28 | 西格迈股份有限公司 | Double-opening automobile shock absorber airtightness detection device and detection method thereof |
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