CN212674387U - Sealing performance testing device - Google Patents
Sealing performance testing device Download PDFInfo
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- CN212674387U CN212674387U CN202021411826.4U CN202021411826U CN212674387U CN 212674387 U CN212674387 U CN 212674387U CN 202021411826 U CN202021411826 U CN 202021411826U CN 212674387 U CN212674387 U CN 212674387U
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- sliding block
- sealing performance
- sealing
- silencer
- top plate
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Abstract
The utility model relates to the field of automobile part production equipment, in particular to a sealing performance testing device, which comprises a silencer, a top plate, a bottom plate arranged below the top plate and a sliding block arranged below the top plate; an upright post is fixed between the top plate and the bottom plate; the upper part of the silencer is provided with a first pipeline, and the lower part of the silencer is provided with a second pipeline; guide rods are fixed at four corners of the upper surface of the sliding block, the guide rods penetrate through the top plate, the sliding block is provided with air vents, the upper ends of the air vents are communicated with an air path, and first sealing gaskets are arranged at the lower ends of the air vents; the upper surface of the bottom plate is provided with a second sealing gasket; a servo cylinder is arranged between the top plate and the sliding block. The utility model discloses can short-term test muffler sealing performance, promote detection efficiency.
Description
Technical Field
The utility model relates to an auto parts production facility field especially relates to a sealing performance testing arrangement.
Background
Along with economic development, the holding capacity of people-shared vehicles is gradually increased, air tightness detection is required to be carried out on a silencer in an automobile exhaust system after manufacturing is completed, the air tightness detection is important content of detection, namely, two ends of the silencer are sealed, then air is filled into the silencer, pressure is maintained for a period of time, whether pressure can reach a preset value or not is observed, and the pressure is kept unchanged, so that whether the silencer leaks air or not is judged, and the qualified leakage detection performance is an important guarantee for the quality of the automobile silencer.
Among the prior art, automobile muffler detection device usually needs the manual work to fix the muffler when the test to the test, because the manual work is fixed unstable, appear becoming flexible easily in the testing process, lead to the test result inaccurate, and efficiency of software testing is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealing performance testing arrangement to solve above-mentioned problem, reach short-term test muffler sealing performance, promote detection efficiency's purpose.
In order to achieve the above object, the utility model provides a following scheme:
a sealing performance testing device comprises a silencer, a top plate, a bottom plate arranged below the top plate and a sliding block arranged below the top plate; an upright post is fixed between the top plate and the bottom plate;
the upper part of the silencer is provided with a first pipeline, and the lower part of the silencer is provided with a second pipeline;
guide rods are fixed at four corners of the upper surface of the sliding block, the guide rods penetrate through the top plate, the sliding block is provided with air holes, the upper ends of the air holes are communicated with an air path, and first sealing gaskets are arranged at the lower ends of the air holes;
a second sealing gasket is arranged on the upper surface of the bottom plate; and a servo cylinder is arranged between the top plate and the sliding block.
Preferably, the number of the first sealing gaskets is the same as that of the first pipelines, and the number of the second sealing gaskets is the same as that of the second pipelines.
Preferably, the air vent lower extreme is the horn mouth structure, first sealed embedding of filling up in the horn mouth structure of air vent, first sealed pad with the slider is for gluing.
Preferably, an air path joint is arranged at the top of the vent hole, the air path joint is in threaded connection with the sliding block, and a sealing ring is arranged between the air path joint and the sliding block.
Preferably, the contact surface of the first sealing gasket and the first pipeline is in a conical structure.
Preferably, the contact surface of the second sealing gasket and the second pipeline is in a conical structure.
Preferably, a limiting block is fixed at the top of the guide rod.
Preferably, a threaded column is arranged at the top of the first sealing gasket, and threads matched with the threaded column are arranged in the vent hole.
Preferably, the lower surface of the sliding block is provided with a first groove matched with the edge protrusion of the silencer.
Preferably, the upper surface of the bottom plate is provided with a second groove matched with the edge protrusion of the silencer.
The utility model discloses has following technological effect:
promote the slider up-and-down motion through servo cylinder, realize compressing tightly of muffler, set up first sealed pad on the slider, set up the sealed pad of second on the bottom plate, guaranteed to the sealed of muffler, let in the venthole with gas again, realize that the sealing performance of muffler detects, reduced manual work, promote the efficiency that detects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the slider;
FIG. 3 is a schematic top view of the base plate;
FIG. 4 is a schematic top view of the muffler;
FIG. 5 is a schematic bottom view of the muffler;
FIG. 6 is an enlarged view of a portion of FIG. 1;
fig. 7 is a schematic structural diagram of the second embodiment.
Wherein, 1 is the roof, 101 is servo cylinder, 2 is the bottom plate, 201 is the second recess, 3 is the stand, 4 is the slider, 401 is the guide bar, 4011 is the stopper, 402 is the air vent, 403 is the air circuit joint, 404 is the sealing washer, 405 is first recess, 5 is first sealed the pad, 6 is the second sealed pad, 7 is the muffler, 701 is first pipeline, 702 is the second pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
referring to fig. 1-6, the present embodiment provides a sealing performance testing apparatus, which includes a silencer 7, a top plate 1, a bottom plate 2 disposed below the top plate 1, and a sliding block 4 disposed below the top plate 1; an upright post 3 is fixed between the top plate 1 and the bottom plate 2;
a first pipeline 701 is arranged at the upper part of the silencer 7, and a second pipeline 702 is arranged at the lower part of the silencer 7;
the upper surface of the bottom plate 2 is provided with a second sealing gasket 6; a servo cylinder 101 is provided between the top plate 1 and the slider 4. When the sealing performance of the silencer 7 needs to be detected, the silencer 7 is placed on the bottom plate 2, the second pipeline 702 is aligned with the second sealing gasket 6, the servo cylinder 101 is controlled to extend, the servo cylinder 101 pushes the sliding block 4 to move downwards, so that the first sealing gasket 5 is driven to move downwards, the first sealing gasket 5 is tightly contacted with the first pipeline 701, air is inflated into the air path, and the sealing performance of the silencer 7 is confirmed after the pressure is maintained for a certain time. The servo cylinder 101 pushes the sliding block 4 to move, so that the first sealing gasket 5 and the second sealing gasket 6 can rapidly seal the silencer 7, and the detection efficiency is improved.
In a further optimized scheme, the number of the first sealing gaskets 5 is the same as that of the first pipelines 701, and the number of the second sealing gaskets 6 is the same as that of the second pipelines 702. Detection of different types of silencers 7 can be achieved.
Further optimize the scheme, the air vent 402 lower extreme is the horn mouth structure, and in the horn mouth structure of first sealed pad 5 embedding air vent 402, first sealed pad 5 and slider 4 are for gluing. Establish the horn mouth structure with air vent 402 lower extreme, when slider 4 compresses tightly first sealed pad 5 downwards, first sealed pad 5 can continuously compress tightly with air vent 402, guarantees check out test set's sealing performance to promote the accuracy that detects.
In a further optimized scheme, an air path joint 403 is arranged at the top of the vent hole 402, the air path joint 403 is in threaded connection with the slider 4, and a sealing ring 404 is arranged between the air path joint 403 and the slider 4. A sealing ring 404 is arranged between the air path joint 403 and the sliding block 4, so that the sealing performance between the sliding block 4 and the air path is ensured in the test process, and the detection accuracy is improved.
In a further optimized scheme, the contact surface of the first sealing gasket 5 and the first pipeline 701 is in a conical structure.
In a further optimized scheme, the contact surface of the second sealing gasket 6 and the second pipeline 702 is in a conical structure. Through the setting of toper structure, the airtight performance of first sealed pad 5, the sealed 6 of second and first pipeline 701 is better in slider 4 compresses tightly the in-process, makes the testing result more accurate.
In a further optimized scheme, a limiting block 4011 is fixed on the top of the guide rod 401. The limiting block 4011 is arranged to prevent the slider 4 from being damaged by the silencer 7 due to overlarge pressing amount in the pressing process.
In a further optimized scheme, the lower surface of the sliding block 4 is provided with a first groove 405 matched with the edge bulge of the silencer 7.
In a further optimized scheme, the upper surface of the bottom plate 2 is provided with a second groove 201 matched with the edge bulge of the silencer 7. Through the protruding phase-match in edge that sets up first recess 405, second recess 201 and muffler 7, can realize the locate function that muffler 7 placed fast, further promote the efficiency that detects.
The working process of the embodiment is as follows:
when the sealing performance of the silencer 7 needs to be detected, the silencer 7 is placed on the bottom plate 2, the second pipeline 702 is aligned with the second sealing gasket 6, the servo cylinder 101 is controlled to extend, the servo cylinder 101 pushes the sliding block 4 to move downwards, so that the first sealing gasket 5 is driven to move downwards, the first sealing gasket 5 is tightly contacted with the first pipeline 701, air is inflated into the air path, and the sealing performance of the silencer 7 is confirmed after the pressure is maintained for a certain time. The servo cylinder 101 pushes the sliding block 4 to move, so that the first sealing gasket 5 and the second sealing gasket 6 can rapidly seal the silencer 7, and the detection efficiency is improved.
Example two
Referring to fig. 7, the testing device of the present embodiment is different from the first embodiment only in that a threaded column 501 is provided on the top of the first sealing gasket 5, and a thread matching with the threaded column 501 is provided in the vent hole 402. Through the arrangement of the threaded column 501, when the first sealing gasket 5 is damaged in the using process, the first sealing gasket 5 is convenient to replace.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A sealing performance testing device is characterized in that: comprises a silencer (7), a top plate (1), a bottom plate (2) arranged below the top plate (1) and a sliding block (4) arranged below the top plate (1); an upright post (3) is fixed between the top plate (1) and the bottom plate (2);
a first pipeline (701) is arranged at the upper part of the silencer (7), and a second pipeline (702) is arranged at the lower part of the silencer (7);
guide rods (401) are fixed at four corners of the upper surface of the sliding block (4), the guide rods (401) penetrate through the top plate (1), the sliding block (4) is provided with vent holes (402), the upper ends of the vent holes (402) are communicated with an air path, and the lower ends of the vent holes (402) are provided with first sealing gaskets (5);
a second sealing gasket (6) is arranged on the upper surface of the bottom plate (2); and a servo cylinder (101) is arranged between the top plate (1) and the sliding block (4).
2. A sealing performance testing apparatus according to claim 1, wherein: the number of the first sealing gaskets (5) is consistent with that of the first pipelines (701), and the number of the second sealing gaskets (6) is consistent with that of the second pipelines (702).
3. A sealing performance testing apparatus according to claim 1, wherein: the air vent (402) lower extreme is the horn mouth structure, first sealed pad (5) embedding in the horn mouth structure of air vent (402), first sealed pad (5) with slider (4) are for gluing.
4. A sealing performance testing apparatus according to claim 1, wherein: an air passage joint (403) is arranged at the top of the vent hole (402), the air passage joint (403) is in threaded connection with the sliding block (4), and a sealing ring (404) is arranged between the air passage joint (403) and the sliding block (4).
5. A sealing performance testing apparatus according to claim 1, wherein: the contact surface of the first sealing gasket (5) and the first pipeline (701) is in a conical structure.
6. A sealing performance testing apparatus according to claim 1, wherein: the contact surface of the second sealing gasket (6) and the second pipeline (702) is in a conical structure.
7. A sealing performance testing apparatus according to claim 1, wherein: a limiting block (4011) is fixed to the top of the guide rod (401).
8. A sealing performance testing apparatus according to claim 1, wherein: the top of the first sealing gasket (5) is provided with a threaded column (501), and a thread matched with the threaded column (501) is arranged in the vent hole (402).
9. A sealing performance testing apparatus according to claim 1, wherein: the lower surface of the sliding block (4) is provided with a first groove (405) matched with the edge bulge of the silencer (7).
10. A sealing performance testing apparatus according to claim 1, wherein: and a second groove (201) matched with the edge bulge of the silencer (7) is formed in the upper surface of the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021411826.4U CN212674387U (en) | 2020-07-17 | 2020-07-17 | Sealing performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021411826.4U CN212674387U (en) | 2020-07-17 | 2020-07-17 | Sealing performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674387U true CN212674387U (en) | 2021-03-09 |
Family
ID=74838188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021411826.4U Active CN212674387U (en) | 2020-07-17 | 2020-07-17 | Sealing performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674387U (en) |
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2020
- 2020-07-17 CN CN202021411826.4U patent/CN212674387U/en active Active
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