CN210128794U - Plugging mechanism for leakage pressure loss detection - Google Patents
Plugging mechanism for leakage pressure loss detection Download PDFInfo
- Publication number
- CN210128794U CN210128794U CN201920747796.5U CN201920747796U CN210128794U CN 210128794 U CN210128794 U CN 210128794U CN 201920747796 U CN201920747796 U CN 201920747796U CN 210128794 U CN210128794 U CN 210128794U
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- China
- Prior art keywords
- piston cylinder
- piston
- established
- piston rod
- fixed plate
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007423 decrease Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052799 carbon Inorganic materials 0.000 abstract description 28
- 239000000428 dust Substances 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a plugging mechanism for detecting leakage pressure loss, which ensures the sealing performance when the carbon tank is tested, comprising a quick joint (1), a piston cylinder (2), a piston rod (3), a sealing plugging ring (4) and a sealing cover (5); sealed lid (5) are equipped with the opening, sealed lid (5) are established on piston cylinder (2) and communicate with piston cylinder (2), piston rod (3) are established in piston cylinder (2) and with piston cylinder (2) sliding fit, be equipped with through-hole (31) in the middle of piston rod (3), sealed shutoff circle (4) are established in piston cylinder (2) and are offseted with sealed lid (5), quick-operation joint (1) are established on the lateral wall of piston cylinder (2) and communicate with the inside piston chamber of piston cylinder (2), sealed shutoff circle (4) are made for elastic rubber.
Description
Technical Field
The utility model relates to a shutoff mechanism that leakage pressure decreases and detects.
Background
At present pack the carbon dust to the carbon tank after, the quality of carbon tank mainly embodies also how much at the carbon dust volume of filling, the carbon dust volume is more and can influence the result of use of carbon tank less, so after filling the carbon dust to the carbon tank, how much of carbon dust is the direct influence factor of good or bad that the carbon dust dispatched from the factory, but detect mainly with the mode of weighing or degree of depth measurement to the carbon dust in the carbon tank at present, not only can test the carbon dust volume to the pressure loss test of carbon tank in fact and can also detect the carbon tank gas tightness, but detect the gas tightness of carbon tank, open-ended gas tightness problem between connector and the carbon tank when its difficult point lies in the test, it is a technological problem to guarantee strict leakproofness.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a leak pressure loss detection's of guaranteeing the leakproofness when leaking the pressure loss test to the carbon tank shutoff mechanism.
In order to solve the technical problem, the utility model provides a following technical scheme: a plugging mechanism for detecting leakage pressure loss comprises a quick connector, a piston cylinder, a piston rod, a sealing plugging ring and a sealing cover; the sealing cover is provided with an opening, the sealing cover is arranged on the piston cylinder and communicated with the piston cylinder, the piston rod is arranged in the piston cylinder and is in sliding fit with the piston cylinder, a through hole is formed in the middle of the piston rod, the sealing blocking ring is arranged in the piston cylinder and is abutted to the sealing cover, the quick connector is arranged on the side wall of the piston cylinder and is communicated with the inner piston cavity of the piston cylinder, and the sealing blocking ring is made of elastic rubber.
Preferably, the upper part and the lower part of the outer wall of the piston rod are provided with O-shaped sealing rings.
Preferably, the piston rod further comprises a spring and a fixed plate, the piston rod penetrates through the fixed plate and is in sliding fit with the fixed plate, and the spring is arranged between the fixed plate and the piston cylinder and is respectively abutted against the fixed plate and the piston cylinder.
Preferably, the sealing cover and the piston cylinder are of an integrally formed structure.
The utility model discloses beneficial effect: the utility model discloses a plugging mechanism that leakage pressure loss detected can realize thereby guaranteeing the carbon tank open-ended leakproofness to the opening part of carbon tank through the control of pressure, adjusts sealed shutoff circle and carbon tank open-ended inseparable degree through quick-operation joint's inlet pressure to guarantee good gas tightness, thereby further guarantee the accuracy that detects the pressure loss of carbon tank.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of the plugging mechanism for detecting leakage pressure loss of the present invention.
Fig. 2 is a schematic cross-sectional view of the plugging mechanism for detecting leakage pressure loss according to the present invention.
Reference numbers in the figures: 1. quick-operation joint, 2, piston cylinder, 3, piston rod, 31, through-hole, 32, O type sealing washer, 4, sealed shutoff circle, 5, sealed lid, 9, spring, 10, fixed plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1 and 2, a plugging mechanism for detecting leakage pressure loss comprises a quick coupling 1, a piston cylinder 2, a piston rod 3, a sealing plugging ring 4 and a sealing cover 5; the sealing cover 5 is provided with an opening, the sealing cover 5 is arranged on the piston cylinder 2 and communicated with the piston cylinder 2, the piston rod 3 is arranged in the piston cylinder 2 and is in sliding fit with the piston cylinder 2, a through hole 31 is formed in the middle of the piston rod 3, the sealing blocking ring 4 is arranged in the piston cylinder 2 and abuts against the sealing cover 5, the quick connector 1 is arranged on the side wall of the piston cylinder 2 and is communicated with an internal piston cavity of the piston cylinder 2, and the sealing blocking ring 4 is made of elastic rubber; the upper part and the lower part of the outer wall of the piston rod 3 are both provided with O-shaped sealing rings 32; still include spring 9 and fixed plate 10, piston rod 3 passes fixed plate 10 and with fixed plate 10 sliding fit, spring 9 establishes between fixed plate 10 and piston cylinder 2 and offsets with fixed plate 10 and piston cylinder 2 respectively.
When specifically implementing, can install the shutoff mechanism that leaks the loss of pressure and detect at appointed test position through fixed plate 10, the through-hole 21 and the outside gas circuit intercommunication of piston rod 3, quick-operation joint 1 and outside gas circuit intercommunication, when needs carry out the loss of pressure to the carbon tank and detect, earlier sealed lid 5 and carbon tank opening joint, the opening of carbon tank is located sealed shutoff circle 4 department, the air admission and the gas outlet of rethread control quick-operation joint, thereby realize that piston rod 3 moves to 5 directions of sealed lid, thereby offset with sealed shutoff circle 4, and then make sealed shutoff circle 4 offset completely and keep sealed with the carbon tank opening by extrusion deformation, thereby the rethread carries out the pressure to the through-hole 31 of 3 of piston rod and admits air and the loss of pressure test carbon tank is given vent to anger with the negative pressure, accuracy can only be guaranteed to such test result.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (4)
1. The utility model provides a shutoff mechanism that leakage pressure decreases detection which characterized in that: comprises a quick joint (1), a piston cylinder (2), a piston rod (3), a sealing plugging ring (4) and a sealing cover (5); sealed lid (5) are equipped with the opening, sealed lid (5) are established on piston cylinder (2) and communicate with piston cylinder (2), piston rod (3) are established in piston cylinder (2) and with piston cylinder (2) sliding fit, be equipped with through-hole (31) in the middle of piston rod (3), sealed shutoff circle (4) are established in piston cylinder (2) and are offseted with sealed lid (5), quick-operation joint (1) are established on the lateral wall of piston cylinder (2) and communicate with the inside piston chamber of piston cylinder (2), sealed shutoff circle (4) are made for elastic rubber.
2. The leak pressure loss detection plugging mechanism of claim 1, wherein: and O-shaped sealing rings (32) are arranged on the upper part and the lower part of the outer wall of the piston rod (3).
3. The leak pressure loss detection plugging mechanism of claim 1, wherein: still include spring (9) and fixed plate (10), piston rod (3) pass fixed plate (10) and with fixed plate (10) sliding fit, spring (9) are established between fixed plate (10) and piston cylinder (2) and are supported with fixed plate (10) and piston cylinder (2) respectively.
4. The leak pressure loss detection plugging mechanism of claim 1, wherein: the sealing cover (5) and the piston cylinder (2) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747796.5U CN210128794U (en) | 2019-05-23 | 2019-05-23 | Plugging mechanism for leakage pressure loss detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747796.5U CN210128794U (en) | 2019-05-23 | 2019-05-23 | Plugging mechanism for leakage pressure loss detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210128794U true CN210128794U (en) | 2020-03-06 |
Family
ID=69662525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920747796.5U Expired - Fee Related CN210128794U (en) | 2019-05-23 | 2019-05-23 | Plugging mechanism for leakage pressure loss detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210128794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519229A (en) * | 2022-01-20 | 2023-08-01 | 宁德时代新能源科技股份有限公司 | Plugging device, air tightness detection equipment and air tightness detection method |
-
2019
- 2019-05-23 CN CN201920747796.5U patent/CN210128794U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519229A (en) * | 2022-01-20 | 2023-08-01 | 宁德时代新能源科技股份有限公司 | Plugging device, air tightness detection equipment and air tightness detection method |
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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: 20200306 |