CN212748178U - Sealing test jig for engine air inlet rubber tube - Google Patents
Sealing test jig for engine air inlet rubber tube Download PDFInfo
- Publication number
- CN212748178U CN212748178U CN202021630653.5U CN202021630653U CN212748178U CN 212748178 U CN212748178 U CN 212748178U CN 202021630653 U CN202021630653 U CN 202021630653U CN 212748178 U CN212748178 U CN 212748178U
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- China
- Prior art keywords
- air inlet
- ring
- rubber tube
- seat
- expansion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 206010061258 Joint lock Diseases 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Testing Of Engines (AREA)
Abstract
The utility model discloses a sealed test fixture for engine air inlet rubber tube, including fixed baseplate, setting lock solid mechanism and sealing mechanism on fixed baseplate, lock solid mechanism is including the ring seat that possesses the annular chamber, and sealing mechanism is including possessing the inflation rubber ring portion of radial harmomegathus deformation and being used for driving the drive division of inflation rubber ring portion towards annular chamber linear displacement. The utility model discloses a lock solid mechanism cooperatees with sealing mechanism, can realize the radial expansion formula butt joint lock solid to the air inlet rubber tube, satisfies inside high-pressure seal test demand, has reduced the damage to the pipe wall simultaneously. The locking can be freely matched, the reliability of sealing test is ensured, and the test stability and the test efficiency are improved. The whole design is simple and ingenious, the effective service life is long, and the method is suitable for popularization and application.
Description
Technical Field
The utility model relates to a sealed test fixture for engine air inlet rubber tube belongs to the technical field of the sealed test of rubber tube.
Background
The air-tightness test fixture for the air inlet rubber tube belongs to a category below the fixture, and is specially used for positioning and additionally fixing the air-tightness test of the soft rubber tube, so the air-tightness test positioning fixture is called as an air-tightness test positioning fixture.
The current common jig device for testing the air inlet rubber tube of the engine is mainly divided into the following types:
and (3) handheld test: the test is mainly carried out by locking the manual hoop, the cylindrical metal rod is stuffed in the rubber tube, and the external hoop is manually locked to carry out sealing. This method is time consuming and labor intensive and tends to damage the surface of the hose.
And (3) testing an assembled finished product: the rubber tube and other parts are assembled into a finished product, and the finished product is tested. The whole test cannot judge which part is leaked, so that misjudgment is easy, and once the leakage is detected, the whole part needs to be disassembled for further detection. Is not beneficial to practical application in production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, to the problem of traditional manual test and the present a great deal of defect of equipment finished product test, provide the sealed test fixture who is used for engine air inlet rubber tube.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a sealing test fixture for an air inlet rubber tube of an engine comprises a fixed base, a locking mechanism and a sealing mechanism which are arranged on the fixed base,
the locking mechanism comprises a ring seat with an annular cavity, and the sealing mechanism comprises an expansion rubber ring part with radial expansion and contraction deformation and a driving part for driving the expansion rubber ring part to linearly displace towards the annular cavity.
Preferably, the ring seat comprises a fixed ring seat and a fixed compression ring, one end of the fixed compression ring is in pivot fit with the fixed ring seat, a through lock pin hole is formed between the other end of the fixed compression ring and the fixed ring seat,
and the fixed base is provided with a lock pin part used for being connected with the lock pin hole site in a penetrating way.
Preferably, the driving part comprises a propulsion cylinder and a connecting carrier seat connected with the telescopic end of the propulsion cylinder, and the expansion rubber ring part is arranged on the connecting carrier seat.
Preferably, the expansion rubber ring part is provided with a lock pin pushing block matched with the lock pin part.
Preferably, the expansion rubber ring part comprises a shaft seat, a rubber ring arranged on the shaft seat, an expansion shaft rod used for expanding the rubber ring, and a power cylinder used for driving the expansion shaft rod to stretch and retract.
Preferably, an air inlet channel is arranged in the shaft seat, and a vent hole used for connecting an air source is formed in the wall of the shaft seat.
Preferably, the fixed ring seat and the fixed compression ring are respectively provided with a detection sensor.
Preferably, the locking mechanism is detachably disposed on the fixed base.
The beneficial effects of the utility model are mainly embodied in that:
1. the locking mechanism is matched with the sealing mechanism, so that the radial expansion type butt joint locking of the air inlet rubber pipe can be realized, the requirement of internal high-pressure sealing test is met, and the damage to the pipe wall is reduced.
2. The locking can be freely matched, the reliability of sealing test is ensured, and the test stability and the test efficiency are improved.
3. The whole design is simple and ingenious, the effective service life is long, and the method is suitable for popularization and application.
Drawings
Fig. 1 is a schematic structural view of the sealing test fixture for the air inlet rubber tube of the engine of the present invention.
Detailed Description
The utility model provides a sealed test fixture for engine air inlet rubber tube. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.
A sealing test fixture for an engine air inlet rubber tube is shown in figure 1 and comprises a fixed base 1, a locking mechanism 2 and a sealing mechanism 3, wherein the locking mechanism 2 and the sealing mechanism 3 are arranged on the fixed base 1.
The locking mechanism 2 comprises a ring seat 4 with an annular cavity, and the sealing mechanism 3 comprises an expansion rubber ring part 5 with radial expansion and contraction deformation and a driving part 6 for driving the expansion rubber ring part 5 to linearly displace towards the annular cavity.
Specifically, an air inlet rubber pipe of the engine is inserted into an annular cavity of the annular seat 4, the expansion rubber ring part 5 is in a contracted state initially in a normal state, the driving part 6 is inserted into an inner cavity of the air inlet rubber pipe and is radially opposite to the wall of the annular cavity, and at the moment, the expansion rubber ring part 5 radially expands the pipe wall of the air inlet rubber pipe and is in pressure joint with the wall of the annular cavity, so that sealing fit with the air inlet rubber pipe is achieved.
The sealing test can now be carried out by expanding the bead part 5 or by means of an external tightness-detecting mechanism.
In a specific embodiment, the ring seat 4 includes a fixed ring seat 41 and a fixed press ring 42, one end of the fixed press ring 41 is pivotally connected to the fixed ring seat, a through lock pin hole is formed between the other end of the fixed press ring 41 and the fixed ring seat, and the fixed base 1 is provided with a lock pin portion 7 for passing through the lock pin hole.
Specifically, the implementation process is described, that is, when the air inlet rubber tube is loaded, the air inlet rubber tube is firstly supported on the fixed ring seat 41, then the expansion rubber ring part 5 is inserted and butted, and finally the fixed pressing ring 42 is pressed and locked with the fixed ring seat 41.
In one embodiment, the driving portion 6 includes a propulsion cylinder 61, and a connection carrier 62 connected to a telescopic end of the propulsion cylinder 61, and the expansion bead portion 5 is disposed on the connection carrier.
Thereby through promoting the cylinder 61 drive to connect the displacement of carrier seat and realize the displacement drive to expansion rubber ring portion 5 promptly, it needs to explain that, the flexible end that promotes cylinder 61 deviates from the design of ring seat 4, so can practice thrift the tool space.
In one embodiment, the expansion rubber ring part 5 is provided with a lock pin pushing block 8 which is used for being matched with the lock pin part 7.
Specifically, the implementation process shows that after the air inlet rubber pipe is loaded, the fixed compression ring 42 is driven by a manual or automatic compression joint mechanism through a pivot, and in the butt joint stroke of the expansion rubber ring part 5 and the air inlet rubber pipe, the locking pin pushing block 8 locks the locking pin part 7, so that the ring seat 4 can be ensured to be in a locking state in the expansion operation, and the condition of locking missing is prevented.
In one embodiment, the expansion rubber ring portion 5 comprises a shaft seat 51, a rubber ring 52 arranged on the shaft seat 51, an expansion shaft for expanding the rubber ring, and a power cylinder 53 for driving the expansion shaft to extend and retract.
The expansion rubber ring part 5 belongs to the prior art, namely, the expansion shaft rod is driven by the power cylinder 53 to enable the rubber ring 52 on the shaft seat 51 to radially expand, the inner cavity of the shaft seat 51 is in a sealing state, and the matching structure is not described again.
In one embodiment, the shaft seat 51 has an air inlet passage therein, and the wall of the shaft seat is provided with a vent hole for connecting an air source. Namely, the air vent can be connected with an external detection air source and enters the air inlet rubber tube through the air inlet channel to realize sealing detection.
In one embodiment, the stationary ring seat and the stationary compression ring are respectively provided with a detection sensor 9. The device can sense the probing displacement of the air inlet rubber tube, thereby automatically triggering the driving part 6 to operate.
In one embodiment, the locking mechanism 2 is removably mounted to the stationary base. The matching locking mechanism 2 can be replaced according to the outer diameter of the air inlet rubber pipe, and the detection requirements of air inlet rubber pipes of different specifications are met.
Can discover through the above description, the utility model is used for engine air inlet rubber tube's sealed test fixture adopts lock solid mechanism and sealing mechanism to cooperate, can realize meeting inside high-pressure seal test demand to the radial inflation formula butt joint lock solid of air inlet rubber tube, has reduced the damage to the pipe wall simultaneously. The locking can be freely matched, the reliability of sealing test is ensured, and the test stability and the test efficiency are improved. The whole design is simple and ingenious, the effective service life is long, and the method is suitable for popularization and application.
The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.
Claims (8)
1. A sealed test fixture for engine air inlet rubber tube, its characterized in that:
comprises a fixed base, a locking mechanism and a sealing mechanism which are arranged on the fixed base,
the locking mechanism comprises a ring seat with an annular cavity, and the sealing mechanism comprises an expansion rubber ring part with radial expansion and contraction deformation and a driving part for driving the expansion rubber ring part to linearly displace towards the annular cavity.
2. The sealing test fixture for the air inlet rubber tube of the engine according to claim 1, characterized in that:
the ring seat comprises a fixed ring seat and a fixed compression ring, one end of the fixed compression ring is matched and connected with the fixed ring seat through a pivot, a through lock pin hole is formed between the other end of the fixed compression ring and the fixed ring seat,
and the fixed base is provided with a lock pin part used for being connected with the lock pin hole site in a penetrating way.
3. The sealing test fixture for the air inlet rubber tube of the engine according to claim 2, characterized in that:
the driving part comprises a propulsion cylinder and a connecting carrier seat connected with the telescopic end of the propulsion cylinder, and the expansion rubber ring part is arranged on the connecting carrier seat.
4. The sealing test fixture for the air inlet rubber tube of the engine according to claim 3, characterized in that:
and the expansion rubber ring part is provided with a lock pin pushing block matched with the lock pin part.
5. The sealing test fixture for the air inlet rubber tube of the engine according to claim 1, characterized in that:
the expansion rubber ring part comprises a shaft seat, a rubber ring arranged on the shaft seat, an expansion shaft rod used for expanding the rubber ring and a power cylinder used for driving the expansion shaft rod to stretch.
6. The sealing test fixture for the air inlet rubber tube of the engine according to claim 5, characterized in that:
an air inlet channel is arranged in the shaft seat, and a vent hole used for connecting an air source is formed in the wall of the shaft seat.
7. The sealing test fixture for the air inlet rubber tube of the engine according to claim 2, characterized in that:
and the fixed ring seat and the fixed compression ring are respectively provided with a detection sensor.
8. The sealing test fixture for the air inlet rubber tube of the engine according to claim 1, characterized in that:
the locking mechanism is detachably arranged on the fixed base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630653.5U CN212748178U (en) | 2020-08-07 | 2020-08-07 | Sealing test jig for engine air inlet rubber tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630653.5U CN212748178U (en) | 2020-08-07 | 2020-08-07 | Sealing test jig for engine air inlet rubber tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212748178U true CN212748178U (en) | 2021-03-19 |
Family
ID=74987033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021630653.5U Expired - Fee Related CN212748178U (en) | 2020-08-07 | 2020-08-07 | Sealing test jig for engine air inlet rubber tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212748178U (en) |
-
2020
- 2020-08-07 CN CN202021630653.5U patent/CN212748178U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |