CN212409983U - Device for testing air tightness of automobile ventilation pipeline - Google Patents
Device for testing air tightness of automobile ventilation pipeline Download PDFInfo
- Publication number
- CN212409983U CN212409983U CN202021613942.4U CN202021613942U CN212409983U CN 212409983 U CN212409983 U CN 212409983U CN 202021613942 U CN202021613942 U CN 202021613942U CN 212409983 U CN212409983 U CN 212409983U
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- China
- Prior art keywords
- cylinder
- mounting bracket
- testing
- air pipe
- sealing plug
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- 238000009423 ventilation Methods 0.000 title claims description 41
- 238000007789 sealing Methods 0.000 claims description 40
- 238000009434 installation Methods 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000007654 immersion Methods 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a device for testing air pipe gas tightness of car, which comprises a stage body, the surface of stage body is provided with the support frame, the lower fixed surface of support frame installs first cylinder, the lower extreme of first cylinder is connected with the mounting bracket, the surface mounting of mounting bracket has the second cylinder, the clamp plate is installed to the flexible end of second cylinder, the clamp plate slides and sets up the inboard at the mounting bracket. When detecting, insert the inboard of first sealed end cap with the one end of air pipe, the sealed end cap of second is cup jointed to the other end, drive the downward butt air pipe of clamp plate through the second cylinder and fix a position it, drive mounting bracket and air pipe downwards by first cylinder and get into the immersion tank in after, blow in to air pipe through the air duct, observe the surface of water and whether have the bubble to this can improve when convenient the operation and carry out detection effect to air pipe.
Description
Technical Field
The utility model belongs to the technical field of the gas tightness detects the instrument, specifically is a device for testing air pipe gas tightness of car.
Background
The vehicle is a vehicle that has its own power to drive and can be driven by motor without the need of rail or electric power installation. In a broad sense, a vehicle having four-wheel drive is generally called an automobile.
A large number of pipelines exist in a chassis system of an automobile, no matter oil pipes or air pipes, the pipelines are required to have good air tightness, the pipelines are used as gas and liquid transport carriers, the pipelines are usually formed by casting with a mold, and due to the fact that air bubbles exist inside solution during pipeline production, the pipelines are required to be subjected to air tightness detection when the pipelines are processed, and an existing detection device is poor in detection precision effect and inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device for testing car air pipe gas tightness to solve air pipe and detect inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device for testing air tightness of automobile ventilation pipeline, includes the stage body, the surface of stage body is provided with the support frame, the lower fixed surface of support frame installs first cylinder, the lower extreme of first cylinder is connected with the mounting bracket, and first cylinder drives the mounting bracket and moves down, with the inboard fixed air pipe of mounting bracket in the underdip tank, the surface mounting of mounting bracket has the second cylinder, the clamp plate is installed to the flexible end of second cylinder, and second cylinder is fixed a position to underpass clamp plate butt air pipe, prevents that air pipe from getting into the immersion tank in back showy, the clamp plate slides and sets up in the inboard of mounting bracket, carries on spacingly when moving the clamp plate through the mounting bracket.
Preferably, the surface symmetry of mounting bracket is provided with the stopper, and the stopper is used for spacing air pipe, prevents that air pipe from moving about the mounting bracket surface.
Preferably, the skin weld of mounting bracket has the installation pole, and the fixed surface of installation pole is connected with first sealed end cap, and the surface of first sealed end cap is connected with the air duct, and the inner field of first sealed end cap is inserted to air pipe's one end, then the sealed end cap of second is cup jointed to air pipe's the other end, in the mounting bracket got into the immersion tank downwards, blows to air pipe in through the air duct and carries out the gas tightness and detect.
Preferably, the surface of the first sealing plug is connected with a spring rope, one end of the spring rope is connected with a second sealing plug, and the first sealing plug and the second sealing plug are sleeved on the ventilation pipeline through the tensile force of the spring rope and are not prone to air leakage at the interface due to outward movement of the ventilation pipeline under the action of air pressure.
Preferably, the inner walls of the first sealing plug and the second sealing plug are provided with sealing gaskets made of rubber, the first sealing plug and the second sealing plug are sleeved at two ends of the ventilation pipeline, and the first sealing plug and the second sealing plug are abutted to the surface of the ventilation pipeline to prevent air leakage of the air outlet.
Preferably, the lower surface of clamp plate is provided with the blotter, and the blotter adopts the silica gel material, and the clamp plate is the butt air pipe downwards, through blotter and air pipe contact, avoids hard contact to lead to the air pipe damaged.
Preferably, the surface of stage body is provided with the immersion tank, and in ventilation pipe promoted the mounting bracket through first cylinder and got into the immersion tank downwards, then blown in to ventilation pipe through the air duct, if there is the space on the ventilation pipe surface, the air will be followed ventilation pipe surface gap and drilled out, then produces the bubble in the immersion tank again.
Compared with the prior art, the beneficial effects of the utility model are that: when detecting, insert the inboard of first sealed end cap with the one end of air pipe, the sealed end cap of second is cup jointed to the other end, drive the downward butt air pipe of clamp plate through the second cylinder and fix a position it, drive mounting bracket and air pipe downwards by first cylinder and get into the immersion tank in after, blow in to air pipe through the air duct, observe the surface of water and whether have the bubble to this can improve when convenient the operation and carry out detection effect to air pipe.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side sectional view of the overall structure of the present invention;
fig. 3 is a sectional view of the first sealing plug of the present invention.
In the figure: the device comprises a table body 1, a water immersion tank 11, a support frame 2, a first cylinder 21, a mounting frame 3, a second cylinder 31, a pressing plate 32, a cushion pad 33, a limiting block 34, a mounting rod 35, a first sealing plug 4, a sealing pad 41, a spring rope 42, an air guide pipe 43 and a second sealing plug 44.
Detailed Description
Please refer to fig. 1, a device for testing air tightness of an automobile ventilation pipeline, which comprises a table body 1, a support frame 2 is arranged on the surface of the table body 1, a first cylinder 21 is fixedly arranged on the lower surface of the support frame 2, the lower end of the first cylinder 21 is connected with an installation frame 3, the first cylinder 21 drives the installation frame 3 to move downwards, the ventilation pipeline fixed on the inner side of the installation frame 3 is immersed into a water immersion tank 11 downwards, a second cylinder 31 is arranged on the surface of the installation frame 3, a pressing plate 32 is arranged at the telescopic end of the second cylinder 31, the second cylinder 31 is abutted against the ventilation pipeline by a downward channel pressing plate 32 to position the ventilation pipeline, the ventilation pipeline is prevented from floating in the water immersion tank 11, the pressing plate 32 is arranged on the inner side of the installation frame 3 in a.
Referring to fig. 1, the surface of the mounting rack 3 is symmetrically provided with limiting blocks 34, and the limiting blocks 34 are used for limiting the ventilation duct and preventing the ventilation duct from moving left and right on the surface of the mounting rack 3.
Referring to fig. 2, the surface of the mounting frame 3 is welded with a mounting rod 35, the surface of the mounting rod 35 is fixedly connected with a first sealing plug 4, the surface of the first sealing plug 4 is connected with an air duct 43, one end of the air duct is inserted into the inner field of the first sealing plug 4, then the other end of the air duct is sleeved with a second sealing plug 44, and when the mounting frame 3 enters the immersion tank 11 downwards, air is blown into the air duct through the air duct 43 to perform air tightness detection.
Referring to fig. 2, the surface of the first sealing plug 4 is connected with a spring rope 42, one end of the spring rope 42 is connected with a second sealing plug 44, and the first sealing plug 4 and the second sealing plug 44 are sleeved on the ventilation duct by the tensile force of the spring rope 42 so as to prevent air leakage at the interface due to outward movement of the ventilation duct under the action of air pressure.
Referring to fig. 1 and 3, the inner walls of the first sealing plug 4 and the second sealing plug 44 are provided with a sealing gasket 41, the sealing gasket 41 is made of rubber, the first sealing plug 4 and the second sealing plug 44 are sleeved at two ends of the ventilation duct, and the sealing gasket 41 abuts against the surface of the ventilation duct to prevent air leakage from the air outlet.
Referring to fig. 1 and 2, a cushion pad 33 is disposed on a lower surface of the pressing plate 32, the cushion pad 33 is made of a silica gel material, the pressing plate 32 is abutted to the ventilation duct downward, and the ventilation duct is prevented from being damaged due to hard contact by the cushion pad 33 contacting the ventilation duct.
Referring to fig. 2, the surface of the table body 1 is provided with a water immersion tank 11, the air duct pushes the mounting rack 3 through the first cylinder 21 to enter the water immersion tank 11 downwards, then air is blown into the air duct through the air duct 43, if the surface of the air duct has a gap, air can be drilled out from the gap on the surface of the air duct, and then air bubbles are generated in the water immersion tank 11.
The working principle of the scheme is as follows: during detection, one end of the ventilation pipeline is inserted into the inner side of the first sealing plug 4, the other end of the ventilation pipeline is sleeved with the second sealing plug 44, the sealing gasket 41 is abutted to the surface of the ventilation pipeline to seal the joint, then the inward pulling force of the spring rope 42 prevents the air pressure in the ventilation pipeline from increasing and the first sealing plug 4 and the second sealing plug 44 from displacing to cause air leakage at the interface, then the second cylinder 31 drives the press plate 32 to abut downwards against the ventilation pipeline to position the ventilation pipeline, then the first cylinder 21 drives the mounting frame 3 and the ventilation pipeline downwards to enter the soaking tank 11, after the ventilation pipeline is completely immersed in the soaking tank 11, the air is blown into the ventilation pipeline through the air duct 43, the air pressure in the ventilation pipeline after blowing is increased, if a gap exists, the air can leak from the gap, thereby produce the bubble at the surface of water, observe whether the surface of water has the bubble to this can improve when convenient operation and carry out detection effect to air pipe.
Claims (7)
1. The utility model provides a device for testing car air pipe gas tightness, includes stage body (1), its characterized in that: the surface of stage body (1) is provided with support frame (2), the lower fixed surface of support frame (2) installs first cylinder (21), the lower extreme of first cylinder (21) is connected with mounting bracket (3), the surface mounting of mounting bracket (3) has second cylinder (31), clamp plate (32) are installed to the flexible end of second cylinder (31), clamp plate (32) slide and set up the inboard at mounting bracket (3).
2. The device for testing the airtightness of the ventilation duct of the automobile according to claim 1, wherein: the surface of the mounting rack (3) is symmetrically provided with limiting blocks (34).
3. The device for testing the airtightness of the ventilation duct of the automobile according to claim 1, wherein: the surface welding of mounting bracket (3) has installation pole (35), and the fixed surface of installation pole (35) is connected with first sealed end cap (4), and the surface of first sealed end cap (4) is connected with air duct (43).
4. The device for testing the airtightness of the ventilation duct of the automobile according to claim 3, wherein: the surface of the first sealing plug (4) is connected with a spring rope (42), and one end of the spring rope (42) is connected with a point second sealing plug (44).
5. The device for testing the airtightness of the ventilation duct of the automobile according to claim 3, wherein: and sealing gaskets (41) are arranged on the inner walls of the first sealing plug (4) and the second sealing plug (44).
6. The device for testing the airtightness of the ventilation duct of the automobile according to claim 1, wherein: the lower surface of the pressure plate (32) is provided with a cushion pad (33).
7. The device for testing the airtightness of the ventilation duct of the automobile according to claim 1, wherein: the surface of the table body (1) is provided with a soaking tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613942.4U CN212409983U (en) | 2020-08-06 | 2020-08-06 | Device for testing air tightness of automobile ventilation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613942.4U CN212409983U (en) | 2020-08-06 | 2020-08-06 | Device for testing air tightness of automobile ventilation pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409983U true CN212409983U (en) | 2021-01-26 |
Family
ID=74371559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021613942.4U Active CN212409983U (en) | 2020-08-06 | 2020-08-06 | Device for testing air tightness of automobile ventilation pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409983U (en) |
-
2020
- 2020-08-06 CN CN202021613942.4U patent/CN212409983U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for testing the airtightness of automotive ventilation ducts Granted publication date: 20210126 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Hebei chongao Auto Parts Co.,Ltd. Registration number: Y2024980012205 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |