CN219755072U - Eccentric sleeve gasket - Google Patents
Eccentric sleeve gasket Download PDFInfo
- Publication number
- CN219755072U CN219755072U CN202320494485.9U CN202320494485U CN219755072U CN 219755072 U CN219755072 U CN 219755072U CN 202320494485 U CN202320494485 U CN 202320494485U CN 219755072 U CN219755072 U CN 219755072U
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- CN
- China
- Prior art keywords
- eccentric
- gasket
- disc
- eccentric sleeve
- supporting
- Prior art date
- 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.)
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- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- 239000005060 rubber Substances 0.000 claims abstract description 32
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model provides an eccentric sleeve gasket, which comprises a gasket main body, wherein the gasket main body comprises a gasket disc, the outer wall of the gasket disc is fixedly connected with a supporting ring, the supporting ring is thermoplastic and provided with a rubber ring, the bottom of the gasket main body is provided with an eccentric shaft sleeve, the eccentric shaft sleeve comprises an eccentric sleeve, the top end and the bottom end of the eccentric sleeve are fixedly connected with the eccentric supporting disc, the inside of the eccentric shaft sleeve is connected with a connecting screw in a plug-in manner, the connecting screw comprises a threaded rod, the bottom end of the threaded rod is fixedly connected with the eccentric disc, the bottom end of the inner side of the gasket disc is fixedly connected with a positioning block, and the top end of the eccentric supporting disc positioned at the top is provided with a positioning groove; the technical key points are as follows: through installing the pad between eccentric axle sleeve and fastener, peg graft in the inside back of constant head tank at the locating piece of pad bottom to make the bottom of rubber circle be located the inside of spacing annular, can prevent that the pad from rotating at the top of eccentric supporting disk, thereby avoid appearing the step between the outer wall of gasket main part and eccentric supporting disk.
Description
Technical Field
The utility model belongs to the technical field of gaskets, and particularly relates to an eccentric sleeve gasket.
Background
The gasket is generally arranged between two planes to strengthen the sealing material, so that leakage of fluid between sealing surfaces of original elements can be prevented, the gasket is mainly a mechanical seal between two objects, pressure, corrosion and natural expansion and contraction leakage of pipelines are usually prevented, and the gasket can be used for filling irregularities due to the fact that the machined surfaces are unlikely to be perfect. The gasket is typically made of sheet material such as paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, fiberglass, or plastic polymers (such as polytetrafluoroethylene). The gasket is widely applied, can be applied to bolt looseness prevention work, and can also assist in fixing the eccentric sleeve.
The eccentric sleeve gasket of the rolling box of the wire rolling mill with the publication number of CN201094967Y can quickly eliminate the abrasion loss in time by replacing the eccentric sleeve gasket and recover the axial positioning precision of the eccentric sleeve, thereby ensuring the dimensional precision of rolled pieces; secondly, the eccentric sleeve which is scrapped due to excessive abrasion is used by the eccentric sleeve gasket, so that the precision recovery is realized, and the service life is doubled.
However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:
after the eccentric sleeve gasket is connected with the eccentric sleeve, the eccentric sleeve gasket is generally required to be fixed by using a threaded fastener, and the eccentric sleeve gasket can be driven to rotate outside the eccentric sleeve when the threaded fastener is controlled to rotate, so that the eccentric sleeve gasket protrudes from the periphery of the eccentric sleeve to form a step, and the assembly work of the eccentric sleeve is not facilitated.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the utility model provides the eccentric sleeve gasket, the gasket is arranged between the eccentric shaft sleeve and the fastening piece, after the positioning block at the bottom end of the gasket is inserted into the positioning groove, the bottom of the rubber ring is positioned in the limiting ring groove, so that the gasket can be prevented from rotating at the top of the eccentric supporting disc, the step between the gasket main body and the outer wall of the eccentric supporting disc is avoided, the problem that the conventional eccentric sleeve gasket is generally required to be fixed by using the threaded fastening piece after being connected with the eccentric sleeve, and the eccentric sleeve gasket is driven to rotate outside the eccentric sleeve when the threaded fastening piece is controlled to rotate, so that the eccentric sleeve gasket protrudes from the periphery of the eccentric sleeve and is unfavorable for the assembly of the eccentric sleeve is solved.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows:
the eccentric sleeve gasket comprises a gasket body, wherein the gasket body comprises a gasket disc, the outer wall of the gasket disc is fixedly connected with a supporting ring, and the supporting ring is thermoplastic with a rubber ring.
In one possible implementation manner, the top end and the bottom end of the supporting ring are both processed with frosting surfaces, and the surface of the supporting ring is in contact connection with the inner wall of the rubber ring.
In one possible implementation manner, the bottom of the gasket body is provided with an eccentric sleeve, the eccentric sleeve comprises an eccentric sleeve, the top end and the bottom end of the eccentric sleeve are fixedly connected with an eccentric supporting disc, the inside of the eccentric sleeve is connected with a connecting screw in a plug-in mode, the connecting screw comprises a threaded rod, and the bottom end of the threaded rod is fixedly connected with the eccentric disc.
In one possible implementation manner, a limiting ball head is fixedly connected to the top end of the eccentric disc, a limiting ball groove is formed in the bottom end of the eccentric supporting disc at the bottom, and the limiting ball head is matched with the limiting ball groove.
In one possible implementation manner, a positioning block is fixedly connected to the bottom end of the inner side of the pad disc, a positioning groove is formed in the top end of the eccentric supporting disc at the top, and the positioning block is connected inside the positioning groove in a plug-in mode.
In one possible implementation manner, a limit ring groove is machined on the outer side of the top end of the eccentric supporting disc at the top, and a frosting surface is machined on the inner wall of the bottom of the limit ring groove.
In one possible implementation manner, the bottom end of the rubber ring is lower than the bottom end of the pad disc, the bottom end of the rubber ring is in contact connection with the bottom inner wall of the limit ring groove, and the bottom end of the pad disc is in contact connection with the top end of the eccentric supporting disc at the top.
In one possible implementation, a fastener is screwed to the top of the threaded rod, and the bottom end of the fastener is connected with the top end of the pad in a contact manner.
The beneficial effects of the utility model are as follows:
firstly, in the scheme, the pad is arranged between the eccentric shaft sleeve and the fastening piece, and after the positioning block at the bottom end of the pad is inserted into the positioning groove, the pad can be prevented from rotating at the top of the eccentric supporting disc, so that steps between the pad main body and the outer wall of the eccentric supporting disc are avoided, and the outer wall of the pad main body and the outer wall of the eccentric supporting disc are kept flat;
secondly, in this scheme, the bottom and the bottom inner wall in spacing annular of rubber circle in close contact with, with the help of the connection of holding ring and rubber circle, the condition that the rubber circle breaks away from the connection with the saucer can not appear, has effectively utilized the rubber circle restriction saucer at the top of eccentric supporting disk around the threaded rod rotation.
Drawings
FIG. 1 is a schematic view of the installation position structure of the present utility model;
FIG. 2 is an exploded view of the shim body and eccentric sleeve of the present utility model;
FIG. 3 is a schematic view of the eccentric sleeve of the present utility model;
FIG. 4 is a cross-sectional view of a rubber ring of the present utility model;
FIG. 5 is a schematic diagram of the connection structure of the rubber ring and the saucer of the utility model.
Description of the drawings: 1. a connecting screw; 101. a threaded rod; 102. an eccentric disc; 103. limiting ball heads; 2. a fastener; 3. a gasket body; 301. a rubber ring; 302. a saucer; 303. a positioning block; 304. a support ring; 4. an eccentric shaft sleeve; 401. an eccentric sleeve; 402. an eccentric support plate; 403. a positioning groove; 404. a limit ring groove; 405. and a limit ball groove.
Detailed Description
The technical scheme in the embodiment of the utility model aims to solve the problems of the background technology, and the general thought is as follows:
example 1:
this embodiment describes a specific structure of an eccentric sleeve gasket, and specifically referring to fig. 1-5, comprising: the gasket body 3, the gasket body 3 comprises a gasket plate 302, the outer wall of the gasket plate 302 is fixedly connected with a support ring 304, and the support ring 304 is thermoplastic with a rubber ring 301;
the bottom of the gasket body 3 is provided with an eccentric shaft sleeve 4, the eccentric shaft sleeve 4 comprises an eccentric sleeve 401, the top end and the bottom end of the eccentric sleeve 401 are fixedly connected with an eccentric supporting disc 402, a connecting screw 1 is connected in a plug-in mode inside the eccentric shaft sleeve 4, the connecting screw 1 comprises a threaded rod 101, and the bottom end of the threaded rod 101 is fixedly connected with an eccentric disc 102;
secondly, the top of the threaded rod 101 is connected with a fastener 2 in a threaded manner, after the threaded connection condition of the threaded rod 101 and the fastener 2 is adjusted, the bottom end of the fastener 2 can be connected with the top end of the pad disc 302 in a contact manner, so that the gasket main body 3 performs a locking function on the top of the eccentric shaft sleeve 4;
in some examples, the top end of the eccentric disc 102 is fixedly connected with a limiting ball head 103, and the bottom end of the eccentric supporting disc 402 at the bottom is provided with a limiting ball groove 405;
after the top end of the eccentric disc 102 contacts with the bottom end of the eccentric supporting disc 402, the limiting ball head 103 can be inserted into the limiting ball groove 405, so that the eccentric disc 102 is limited to rotate at the bottom of the eccentric supporting disc 402, and a step is prevented from being formed between the eccentric disc 102 and the eccentric supporting disc 402;
in some examples, a positioning block 303 is fixedly connected to the bottom end of the inner side of the saucer 302, and a positioning groove 403 is formed in the top end of an eccentric supporting disc 402 positioned at the top;
when the gasket body 3 and the eccentric sleeve 4 are connected, the positioning block 303 is connected inside the positioning groove 403 in a plug-in manner, so that simple positioning operation can be performed, and the bottom of the rubber ring 301 can conveniently fall inside the limiting ring groove 404.
By adopting the technical scheme:
according to the design, the cushion disc 302 is arranged between the eccentric shaft sleeve 4 and the fastening piece 2, after the positioning block 303 at the bottom end of the cushion disc 302 is inserted into the positioning groove 403, the cushion disc 302 can be prevented from rotating at the top of the eccentric supporting disc 402, so that steps between the outer wall of the cushion disc body 3 and the outer wall of the eccentric supporting disc 402 are avoided, and the outer wall of the cushion disc body 3 and the outer wall of the eccentric supporting disc 402 are kept flat.
Example 2:
based on embodiment 1, this embodiment describes a specific structure of the gasket body 3, and the top end and the bottom end of the supporting ring 304 are both processed with frosting surfaces;
the surface of the supporting ring 304 is in contact connection with the inner wall of the rubber ring 301, and in the process of adjusting the threaded connection condition of the fastener 2 and the threaded rod 101, friction force generated between the fastener 2 and the surface of the pad 302 tends to drive the pad 302 to rotate, and at this time, the pad 302 can be primarily limited to rotate by virtue of the positioning block 303 inserted into the positioning slot 403;
secondly, the bottom end of the rubber ring 301 is lower than the bottom end of the cushion pan 302, the bottom end of the rubber ring 301 is in contact connection with the bottom inner wall of the limit ring groove 404, the bottom end of the cushion pan 302 is in contact connection with the top end of the eccentric support pan 402 at the top, and the cushion pan 302 can be limited to rotate at the top of the eccentric support pan 402 by the rubber ring 301 positioned in the limit ring groove 404.
The specific operation steps are as follows:
s1, a threaded rod 101 passes through the eccentric sleeve 401 and the inside of the eccentric supporting disc 402, so that the limiting ball 103 is inserted into the limiting ball groove 405;
s2, sleeving a gasket body 3 outside the threaded rod 101, enabling a positioning block 303 at the bottom end of the gasket plate 302 to be inserted into the positioning groove 403, and enabling the bottom of the rubber ring 301 to be positioned in the limiting ring groove 404;
s3, the fastening piece 2 is connected to the top of the threaded rod 101 in a threaded mode, and in the process of applying pressure to the pad plate 302 under the condition of adjusting the threads of the fastening piece 2 and the threaded rod 101, the bottom end of the rubber ring 301 is in close contact with the inner wall of the bottom of the limit ring groove 404.
By adopting the technical scheme:
according to the design, the positioning block 303 at the bottom end of the cushion disc 302 is inserted into the positioning groove 403, the bottom of the rubber ring 301 is located in the limit ring groove 404, the bottom end of the rubber ring 301 is in close contact with the inner wall of the bottom of the limit ring groove 404 in the process of applying pressure to the cushion disc 302 under the condition of adjusting the threads of the fastener 2 and the threaded rod 101, meanwhile, the situation that the rubber ring 301 is disconnected from the cushion disc 302 by means of the connection of the support ring 304 and the rubber ring 301 is avoided, and the rubber ring 301 is effectively utilized to limit the cushion disc 302 to rotate around the threaded rod 101 at the top of the eccentric support disc 402.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (8)
1. The eccentric sleeve gasket is characterized by comprising a gasket main body (3), wherein the gasket main body (3) comprises a gasket disc (302), a supporting ring (304) is fixedly connected to the outer wall of the gasket disc (302), and a rubber ring (301) is thermoplastic on the supporting ring (304).
2. The eccentric sleeve gasket as in claim 1 wherein: the top and the bottom of the supporting ring (304) are both processed with frosting surfaces, and the surface of the supporting ring (304) is in contact connection with the inner wall of the rubber ring (301).
3. The eccentric sleeve gasket as in claim 1 wherein: the bottom of gasket main part (3) is provided with eccentric sleeve (4), eccentric sleeve (4) are including eccentric sleeve (401), all fixedly connected with eccentric supporting disk (402) in top and bottom of eccentric sleeve (401), inside plug-in type of eccentric sleeve (4) is connected with connecting screw (1), connecting screw (1) include threaded rod (101), the bottom fixed connection of threaded rod (101) has eccentric disk (102).
4. The eccentric sleeve gasket as in claim 3 wherein: the top of the eccentric disc (102) is fixedly connected with a limiting ball head (103), a limiting ball groove (405) is formed in the bottom end of the eccentric supporting disc (402) at the bottom, and the limiting ball head (103) is matched with the limiting ball groove (405).
5. The eccentric sleeve gasket as in claim 3 wherein: the bottom of the inner side of the pad disc (302) is fixedly connected with a positioning block (303), a positioning groove (403) is formed in the top end of the eccentric supporting disc (402) at the top, and the positioning block (303) is connected in the positioning groove (403) in a plug-in mode.
6. The eccentric sleeve gasket as in claim 3 wherein: and a limit ring groove (404) is processed on the outer side of the top end of the eccentric supporting disc (402) at the top, and a frosting surface is processed on the inner wall of the bottom of the limit ring groove (404).
7. The eccentric sleeve gasket as in claim 6 wherein: the bottom of the rubber ring (301) is lower than the bottom of the pad disc (302), the bottom of the rubber ring (301) is in contact connection with the bottom inner wall of the limit ring groove (404), and the bottom of the pad disc (302) is in contact connection with the top of the eccentric supporting disc (402) at the top.
8. The eccentric sleeve gasket as in claim 3 wherein: the top thread of threaded rod (101) is connected with fastener (2), the bottom of fastener (2) is connected with the top contact of saucer (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320494485.9U CN219755072U (en) | 2023-03-15 | 2023-03-15 | Eccentric sleeve gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320494485.9U CN219755072U (en) | 2023-03-15 | 2023-03-15 | Eccentric sleeve gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755072U true CN219755072U (en) | 2023-09-26 |
Family
ID=88070362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320494485.9U Active CN219755072U (en) | 2023-03-15 | 2023-03-15 | Eccentric sleeve gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755072U (en) |
-
2023
- 2023-03-15 CN CN202320494485.9U patent/CN219755072U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |