CN222166432U - A vehicle shock absorber piston rod air tightness testing device - Google Patents
A vehicle shock absorber piston rod air tightness testing device Download PDFInfo
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- CN222166432U CN222166432U CN202421025087.3U CN202421025087U CN222166432U CN 222166432 U CN222166432 U CN 222166432U CN 202421025087 U CN202421025087 U CN 202421025087U CN 222166432 U CN222166432 U CN 222166432U
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- piston rod
- air tightness
- rod body
- shock absorber
- cavity
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 21
- 230000035939 shock Effects 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 28
- 230000006978 adaptation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of automobile shock absorber piston rod air tightness detection, in particular to an automobile shock absorber piston rod air tightness detection device which comprises an air tightness detection device body, wherein the air tightness detection device body is provided with a plurality of conveying pipes, the other ends of the conveying pipes are provided with extension pipes, the outer walls of the other ends of the conveying pipes are fixedly provided with fixed ring rings, the outer walls of the conveying pipes are sleeved with limiting mounting rings, the side, far away from the extension pipes, of the conveying pipes are sleeved with limiting mounting rings, and the outer walls, located at the other ends of the extension pipes, of the conveying pipes are provided with piston rod bodies. According to the utility model, the tightness detection is carried out on the piston rod body through the air tightness detection equipment body, the air tightness detection equipment body is connected with the piston rod body through the limiting mounting ring, the connection stability is ensured, the sealing is ensured to be carried out on the other end of the piston rod body through the sealing sleeve, and the smooth tightness detection is ensured to be carried out on the piston rod body.
Description
Technical Field
The utility model relates to the technical field of air tightness detection of piston rods of automobile shock absorbers, in particular to air tightness detection equipment for piston rods of automobile shock absorbers.
Background
The piston rod in a shock absorber for a motor vehicle is an important component which is connected to the piston and transmits the force. The working principle of the shock absorber is that when the vehicle frame and the vehicle axle are subjected to vibration to generate relative motion, the piston in the shock absorber can move up and down. One end of the piston rod is typically attached to the vehicle body or frame and the other end is connected to a piston that is located within the cylinder of the shock absorber.
The existing piston rod mostly needs to be subjected to air tightness detection before leaving the factory, and the existing air tightness detection equipment mostly inserts a conveying pipe into the piston rod when detecting the tightness of the piston rod, but the leakage phenomenon of the single conveying pipe easily occurs when the conveying pipe is inserted into the piston rod, and the connection is unstable.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides air tightness detection equipment for a piston rod of an automobile shock absorber.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an automobile shock absorber piston rod gas tightness check out test set, includes gas tightness check out test set body, gas tightness check out test set body is provided with a plurality of conveyer pipes, and the other end of conveyer pipe is provided with the extension pipe, and the outer wall fixed mounting of the conveyer pipe other end has the retainer plate, and the outer wall cover of conveyer pipe just is located one side cover that keeps away from the extension pipe and is equipped with spacing collar, and the conveyer pipe other end just is located the outer wall of extension pipe and is provided with the piston rod body, and connects through spacing collar between piston rod body, the conveyer pipe, and the other end spiro union of piston rod body has the seal cover.
In addition, preferably, the outer wall of one end of the piston rod body is provided with a first threaded portion, and the outer wall of the other end of the piston rod body is provided with a second threaded portion.
In addition, the preferable structure is that the middle part of one side of the sealing sleeve is provided with a groove, a second threaded cavity is adaptively arranged at the second threaded part of the piston rod body in the groove, and the second threaded cavity is in clearance fit with the second threaded part.
In addition, the preferable structure is that mid-mounting in the recess of seal cover has sealed lug, and be located the outside equidistance of sealed lug in the recess of seal cover and leave and be equipped with the second spacing groove, and the card is equipped with the second sealing washer in the second spacing groove.
In addition, the preferred structure is that the spacing collar is close to one side of extension pipe and has seted up the cavity, lies in the first screw thread portion department adaptation of piston rod body in the cavity and has seted up first screw thread cavity, and first screw thread cavity makes clearance fit with first screw thread portion.
In addition, the structure is preferable that the limiting mounting ring is internally provided with a through hole at the position of the conveying pipe, and the limiting mounting ring cavity is internally provided with a clamping groove at the position of the fixing ring.
In addition, the preferable structure is that the fixed ring is close to one side of the clamping groove and is provided with an extending convex ring at the outer part of the clamping groove, a limiting clamping groove is formed in the cavity of the limiting mounting ring at the extending convex ring, and a third sealing ring gasket is clamped in the limiting clamping groove.
The beneficial effects of the utility model are as follows:
According to the utility model, the tightness detection is carried out on the piston rod body through the air tightness detection equipment body, the air tightness detection equipment body is connected with the piston rod body through the limiting mounting ring, the connection stability is ensured, the sealing is ensured to be carried out on the other end of the piston rod body through the sealing sleeve, and the smooth tightness detection is ensured to be carried out on the piston rod body.
Drawings
FIG. 1 is a schematic diagram of an air tightness detection device for a piston rod of an automobile shock absorber;
FIG. 2 is a schematic structural view of a piston rod body, a conveying pipe, a limiting mounting ring and a partial cross section of a sealing sleeve;
FIG. 3 is a partially enlarged schematic illustration of the structure of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a spacing collar according to the present utility model;
Fig. 5 is a schematic structural view of a cross section of a sealing sleeve according to the present utility model.
In the figure, 1, an air tightness detection device body, 11, a conveying pipe, 12, an extension pipe, 13, a fixed ring, 2, a limit mounting ring, 21, a first threaded cavity, 22, a first sealing gasket, 23, a limit clamping groove, 24, a clamping groove, 3, a piston rod body, 31, a first threaded part, 32, a second threaded part, 4, a sealing sleeve, 41, a second threaded cavity, 42, a second sealing gasket, 43 and a sealing lug.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an air tightness detection device for a piston rod of an automobile shock absorber, comprising an air tightness detection device body 1, wherein the air tightness detection device body 1 is provided with a plurality of conveying pipes 11, the other ends of the conveying pipes 11 are provided with extension pipes 12, the outer walls of the other ends of the conveying pipes 11 are fixedly provided with fixed rings, the outer walls of the conveying pipes 11 are sleeved with limit mounting rings 2, one sides of the conveying pipes 11, which are far away from the extension pipes 12, are sleeved with limit mounting rings 2, the other ends of the conveying pipes 11 are provided with piston rod bodies 3, and the piston rod bodies 3 and the conveying pipes 11 are connected through the limit mounting rings 2, and the other ends of the piston rod bodies 3 are in threaded connection with sealing sleeves 4, wherein the air tightness detection device body 1, the conveying pipes 11, the specific structures of the extension pipes 12, the connection modes and the working modes thereof are all in the prior art, and do not belong to the main technical problems solved in the technical scheme.
Meanwhile, the outer wall of one end of the piston rod body 3 is provided with a first thread part 31, the outer wall of the other end of the piston rod body 3 is provided with a second thread part 32, wherein the specific structure of the piston rod body 3 and the working mode thereof are all of the prior art, and do not belong to the main technical problems solved in the technical scheme, so the utility model is not repeated, a flow cavity is arranged in the piston rod body 3, the diameter of the sealing lug 43 is smaller than that of the flow cavity of the piston rod body 3, and the diameter of the extension pipe 12 is smaller than that of the flow cavity of the piston rod body 3.
And, the middle part of seal cover 4 one side is seted up flutedly, is located the second screw thread portion 32 department adaptation of piston rod body 3 in the recess and has seted up second screw thread cavity 41, and second screw thread cavity 41 makes clearance fit with second screw thread portion 32.
The middle part in the recess of seal cover 4 is installed sealed lug 43, and is located the outside equidistance of sealed lug 43 in the recess of seal cover 4 and leaves and be equipped with the second spacing groove, and the card is equipped with second sealing washer pad 42 in the second spacing groove.
And, the spacing collar 2 is close to one side of extension pipe 12 and has seted up the cavity, and the first screw thread cavity 21 has been seted up to the adaptation of the first screw thread portion 31 department that lies in piston rod body 3 in the cavity, and first screw thread cavity 21 and first screw thread portion 31 do clearance fit.
Further, a through hole is formed in the position, located at the conveying pipe 11, of the limiting mounting ring 2, and a clamping groove 24 is formed in the position, located at the fixing ring 13, of the cavity of the limiting mounting ring 2.
Further, the fixed ring 13 is close to one side of the clamping groove 24 and is provided with an extending convex ring at the outer part of the clamping groove 24, a limiting clamping groove 23 is formed in the cavity of the limiting mounting ring 2 at the extending convex ring, and a third sealing gasket is clamped in the limiting clamping groove 23.
In this embodiment, the sealing sleeve 4 is aligned with the piston rod body 3 and the sealing protrusion 43 thereof is aligned with the flow cavity of the piston rod body 3, then the sealing sleeve 4 is in threaded connection with the second threaded portion 32 of the piston rod body 3, at this time, the sealing protrusion 43 thereof is clamped into the flow cavity of the piston rod body 3, and the sealing property of the connection between the sealing sleeve 4 and the piston rod body 3 is enhanced by the second sealing gasket 42.
Then, inserting the extension pipe 12 into the flow cavity of the piston rod body 3, aligning the cavity of the limit mounting ring 2 of the air tightness detection device body 1 with the first threaded portion 31 of the piston rod body 3, and connecting the limit mounting ring 2 with the first threaded portion 31 of the piston rod body 3 in a threaded manner, wherein the fixing ring 13 is clamped into the clamping groove 24, the extension convex ring is clamped into the limit clamping groove 23, and the tightness of the connection between the limit mounting ring 2 of the enhancer and the piston rod body 3 is enhanced through the first sealing gasket 21 and the third sealing gasket
Then, carry out the leakproofness through gas tightness check out test set body 1 to piston rod body 3 and detect the steadiness of being connected and guaranteeing its connection between equipment body 1 and the piston rod body 3 through spacing collar 2, guarantee to seal the other end of piston rod body 3 through seal cover 4, guarantee that its piston rod body 3 carries out the leakproofness smoothly and detects.
According to the utility model, the tightness detection is carried out on the piston rod body (3) through the air tightness detection equipment body 1, the air tightness detection equipment body 1 is connected with the piston rod body (3) through the limiting mounting ring 2, the connection stability is ensured, the sealing of the other end of the piston rod body 3 is ensured through the sealing sleeve 4, and the smooth tightness detection of the piston rod body 3 is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an automobile shock absorber piston rod gas tightness check out test set, includes gas tightness check out test set body (1), a serial communication port, gas tightness check out test set body (1) is provided with a plurality of conveyer pipes (11), the other end of conveyer pipe (11) is provided with extension pipe (12), and the outer wall fixed mounting of conveyer pipe (11) other end has fixed collar, the outer wall cover of conveyer pipe (11) just is located one side cover that keeps away from extension pipe (12) and is equipped with spacing collar (2), the outer wall that just is located extension pipe (12) of conveyer pipe (11) other end is provided with piston rod body (3), and connect through spacing collar (2) between piston rod body (3), conveyer pipe (11), the other end spiro union of piston rod body (3) has seal cover (4).
2. The device for detecting the air tightness of the piston rod of the automobile shock absorber according to claim 1, wherein the outer wall of one end of the piston rod body (3) is provided with a first threaded part (31), and the outer wall of the other end of the piston rod body (3) is provided with a second threaded part (32).
3. The device for detecting the air tightness of the piston rod of the automobile shock absorber according to claim 1, wherein a groove is formed in the middle of one side of the sealing sleeve (4), a second threaded cavity (41) is formed in the groove at the position of the second threaded part (32) of the piston rod body (3) in an adapting mode, and the second threaded cavity (41) is in clearance fit with the second threaded part (32).
4. A device for detecting the air tightness of a piston rod of an automobile shock absorber according to claim 3, wherein a sealing lug (43) is arranged in the middle of the groove of the sealing sleeve (4), second limiting grooves are formed in the groove of the sealing sleeve (4) at equal intervals outside the sealing lug (43), and second sealing gaskets (42) are clamped in the second limiting grooves.
5. The device for detecting the air tightness of the piston rod of the automobile shock absorber according to claim 1, wherein a cavity is formed in one side, close to the extension pipe (12), of the limit mounting ring (2), a first threaded cavity (21) is formed in the cavity, located at a first threaded portion (31) of the piston rod body (3), in an adapting mode, and the first threaded cavity (21) is in clearance fit with the first threaded portion (31).
6. The device for detecting the air tightness of the piston rod of the automobile shock absorber according to claim 5, wherein the limiting mounting ring (2) is internally provided with a through hole at the position of the conveying pipe (11), and the limiting mounting ring (2) is internally provided with a clamping groove (24) at the position of the fixed ring (13).
7. The device for detecting the air tightness of the piston rod of the automobile shock absorber according to claim 6, wherein the fixed ring (13) is close to one side of the clamping groove (24) and is located outside the clamping groove (24), an extending convex ring is installed outside the clamping groove, a limiting clamping groove (23) is formed in a cavity of the limiting mounting ring (2) and located at the extending convex ring, and a third sealing gasket is clamped in the limiting clamping groove (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421025087.3U CN222166432U (en) | 2024-05-13 | 2024-05-13 | A vehicle shock absorber piston rod air tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421025087.3U CN222166432U (en) | 2024-05-13 | 2024-05-13 | A vehicle shock absorber piston rod air tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222166432U true CN222166432U (en) | 2024-12-13 |
Family
ID=93789916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421025087.3U Active CN222166432U (en) | 2024-05-13 | 2024-05-13 | A vehicle shock absorber piston rod air tightness testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222166432U (en) |
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2024
- 2024-05-13 CN CN202421025087.3U patent/CN222166432U/en active Active
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