CN212839390U - PTFE oil seal structure capable of adapting to bidirectional rotary motion - Google Patents
PTFE oil seal structure capable of adapting to bidirectional rotary motion Download PDFInfo
- Publication number
- CN212839390U CN212839390U CN202021591726.4U CN202021591726U CN212839390U CN 212839390 U CN212839390 U CN 212839390U CN 202021591726 U CN202021591726 U CN 202021591726U CN 212839390 U CN212839390 U CN 212839390U
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- Prior art keywords
- lip
- rotation axis
- rotary motion
- sealing body
- framework
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- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 21
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 21
- 230000002457 bidirectional effect Effects 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000005299 abrasion Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
- Sealing Devices (AREA)
Abstract
The utility model relates to an oil blanket equipment technical field, in particular to PTFE oil blanket structure that can adapt to two-way rotary motion, including seat hole, rotation axis and exoskeleton, and through the lip that is equipped with K type structure, when using, the upper end and the lower extreme of lip all contact with the rotation axis, and then make when rotation axis forward or reverse rotation, all have stronger sealed effect, and be equipped with the spring, when using, press and move the lip and contact with the rotation axis, further the utility model discloses a leakproofness, the mechanical use of the two-way rotary motion of being convenient for is equipped with the cushion between the lip, and is equipped with interior elasticity seal between cushion and lip, and then when the rotation axis rotates at a high speed, the cushion contacts with the rotation axis, improves the utility model discloses a leakproofness when avoiding the rotation axis to rotate at a high speed, leakproofness between lip and the rotation axis reduces.
Description
Technical Field
The utility model relates to an oil blanket equipment technical field, in particular to PTFE oil blanket structure that can adapt to two-way rotary motion.
Background
The oil seal is a common seal element, is a mechanical element for sealing grease, separates a component needing lubrication from a force-exerting component in a transmission component, and is widely applied to modern mechanical equipment, and PTFE material has excellent self-lubricating performance, high temperature resistance, medium resistance and other characteristics, and is gradually widely applied.
However, some existing PTFE oil seals cannot meet the requirement for bidirectional rotation of equipment when in use, the problem of poor sealing effect often develops when in bidirectional rotation of equipment, and the problem of reduced sealing effect of the oil seal caused by abrasion also can be caused when the existing PTFE oil seals are used for a long time, so that the PTFE oil seals are inconvenient to use
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PTFE oil blanket structure that can adapt to two-way rotary motion to the problem that two-way rotary motion of being not convenient for that proposes uses and sealed effect reduces in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PTFE oil blanket structure that can adapt to two-way rotary motion, includes seat hole, rotation axis and exoskeletal frame, the surface joint of exoskeletal frame has outer elastic sealing body, the inside fixed mounting of exoskeletal frame has the endoskeleton, the equal fixed mounting in inside both sides of endoskeleton has the spacing ring, the inside joint of endoskeleton has the lip, one side fixed mounting of lip has the spring, the opposite side of spring with the inside one side looks fixed connection of endoskeleton, outer elastic sealing body the exoskeletal frame the endoskeleton with both sides between the lip all cover and have the sealing ring, the surface of outer elastic sealing body the inboard of seat hole contacts, just one side of lip with the surface of rotation axis contacts.
Preferably, a wear-resistant pad is fixedly mounted on one side of the inner portion of the lip, and an inner elastic sealing body is filled between the wear-resistant pad and the lip.
Preferably, a clamping groove is formed in the middle of the outer side of the outer framework, the clamping groove is of a trapezoidal structure, and the outer elastic sealing body is clamped inside the clamping groove.
Preferably, a clamping block is fixedly mounted on one side of the interior of the outer elastic sealing body, the clamping block is the same as the clamping groove in size, and the outer elastic sealing body is clamped in the clamping groove in the outer framework through the clamping block.
Preferably, the outer elastic sealing body and the lip are both made of polytetrafluoroethylene materials.
Preferably, the lip is K-shaped, the upper end and the lower end of the lip are both in contact with the rotating shaft, bulges are uniformly and fixedly mounted on the outer surface of the outer elastic sealing body, and the bulges are in contact with the inner side of the seat hole.
Preferably, the outer skeleton and the inner skeleton are both U-shaped structures.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a lip that is equipped with K type structure, when using, the upper end and the lower extreme of lip all contact with the rotation axis, and then make when rotation axis forward or reverse rotation, all have stronger sealed effect, and be equipped with the spring, when using, press the lip and contact with the rotation axis, further the utility model discloses a leakproofness, the mechanical use of the two-way rotary motion of being convenient for.
2. The utility model discloses a be equipped with the abrasion pad between the lip, and be equipped with interior elastic seal body between abrasion pad and lip, and then when the high-speed rotation of rotation axis, the abrasion pad contacts with the rotation axis, improves the utility model discloses a leakproofness, when avoiding the high-speed rotation of rotation axis, leakproofness between lip and the rotation axis reduces.
3. The utility model discloses novel structure, reasonable in design, and the frictional behavior is lower, is fit for two-way rotating equipment and high rotational speed equipment and uses.
Drawings
Fig. 1 is a sectional view of the structure of the present invention in use.
Fig. 2 is a partial sectional view of the structure of the present invention.
Fig. 3 is a partial cross-sectional view of the outer frame of the structure of the present invention.
In the figure: 1. a seat hole; 2. a rotating shaft; 3. an outer skeleton; 4. an outer elastomeric seal body; 5. an inner skeleton; 6. A limiting ring; 7. a lip piece; 8. a spring; 9. a seal ring; 10. a wear pad; 11. an inner elastic seal body; 12. a card slot; 13. a clamping block; 14. and (4) protruding.
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.
The utility model provides a PTFE oil seal structure which can adapt to two-way rotary motion and is shown in figures 1-3, comprising a seat hole 1, a rotary shaft 2 and an outer skeleton 3, wherein the outer surface of the outer skeleton 3 is clamped with an outer elastic sealing body 4, a clamping groove 12 is arranged at the middle position of the outer side of the outer skeleton 3, the clamping groove 12 is in a trapezoidal structure, the outer elastic sealing body 4 is clamped in the clamping groove 12, a clamping block 13 is fixedly arranged at one side of the inner part of the outer elastic sealing body 4, the clamping block 13 is the same as the clamping groove 12 in size, the outer elastic sealing body 4 is clamped in the clamping groove 12 on the outer skeleton 3 through the clamping block 13, the outer surface of the outer elastic sealing body 4 is uniformly and fixedly provided with a bulge 14, the bulge 14 is contacted with the inner side of the seat hole 1, the inner skeleton 5 is fixedly arranged in the outer skeleton 3, the outer skeleton 3 and the inner skeleton 5 are both in a, the inside joint of inner frame 5 has lip 7, outer elastic sealing body 4 all adopts the polytetrafluoroethylene material to make with lip 7, lip 7 is K type structure, and the upper end and the lower extreme of lip 7 all contact with rotation axis 2, one side fixed mounting of lip 7 has spring 8, spring 8's opposite side and inner frame 5's inside one side looks fixed connection, outer elastic sealing body 4, outer skeleton 3, both sides between inner frame 5 and the lip 7 all cover and have sealing ring 9, the inboard of outer elastic sealing body 4's surface seat hole 1 contacts, and one side of lip 7 contacts with the surface of rotation axis 2, inside one side fixed mounting of lip 7 has wear pad 10, it has interior elasticity 11 to fill between wear pad 10 and the lip 7.
As shown in the combined drawings 2 and 3, when the utility model is used, the utility model is clamped in the seat hole 1, the outer elastic sealing body 4 is uniformly provided with the bulges 14, the bulges 14 are contacted with the inner wall of the seat hole 1, thereby the sealing performance between the utility model and the seat hole 1 is increased, the bulges 14 are arranged, the friction force between the inner wall of the seat hole 1 and the outer elastic sealing body 4 is reduced, the low friction effect is achieved, the rotating shaft 2 is plugged in the lip 7, the lip 7 is designed in a K shape, the upper end and the lower end of the lip 7 are contacted with the outer surface of the rotating shaft 2, when the rotating shaft 2 rotates forwards or backwards, the sealing effect is stronger, the spring 8 is arranged, when the rotating shaft 2 rotates, the spring 8 presses the lip 7, the lip 7 is pressed with the rotating shaft 2, the sealing effect is further improved, and the wear-resistant cushion 10 is arranged in the lip 7, be equipped with interior elastic seal body 11 between abrasion pad 10 and lip 7 for when rotation axis 2 is rotatory, one side of abrasion pad 10 contacts with rotation axis 2, further improves the utility model discloses and the sealed effect between rotation axis 2, facilitate the use avoids when rotation axis 2 is high-speed to rotate, leads to lip 7 to be heated and softens, makes the leakproofness between lip 7 and the rotation axis 2 reduce, and then prolongs the utility model discloses a life increases the utility model discloses stability during the use avoids leading to the weeping.
This practical theory of operation: when the utility model is used, the utility model is clamped in the seat hole 1, the bulges 14 are uniformly arranged on the outer elastic sealing body 4, the bulges 14 are contacted with the inner wall of the seat hole 1, thereby increasing the sealing performance between the utility model and the seat hole 1, and the bulges 14 are arranged, so as to reduce the friction force between the inner wall of the seat hole 1 and the outer elastic sealing body 4, thereby achieving the effect of low friction, the rotating shaft 2 is plugged in the lip 7, the lip 7 is of K-shaped design, so that the upper end and the lower end of the lip 7 are contacted with the outer surface of the rotating shaft 2, when the rotating shaft 2 rotates forwards or backwards, the sealing effect is stronger, the spring 8 is arranged, when the rotating shaft 2 rotates, the spring 8 presses the lip 7, the lip 7 is pressed with the rotating shaft 2, the sealing effect is further improved, and the wear-resistant cushion 10 is arranged in the lip 7, be equipped with interior elastic seal body 11 between abrasion pad 10 and lip 7 for when rotation axis 2 is rotatory, one side of abrasion pad 10 contacts with rotation axis 2, further improves the utility model discloses and the sealed effect between rotation axis 2, facilitate the use, avoid when rotation axis 2 high-speed rotates, lead to lip 7 to be heated soft, make the leakproofness between lip 7 and the rotation axis 2 reduce, and then prolong the utility model discloses a life increases the utility model discloses a stability during the use avoids leading to the weeping, and is equipped with sealing ring 9, improves the utility model discloses the leakproofness between each part avoids the weeping.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a can adapt to two-way rotary motion's PTFE oil blanket structure, includes seat hole (1), rotation axis (2) and exoskeleton (3), its characterized in that: an outer elastic sealing body (4) is clamped on the outer surface of the outer framework (3), an inner framework (5) is fixedly arranged inside the outer framework (3), limiting rings (6) are fixedly arranged on two sides of the inner part of the inner framework (5), a lip piece (7) is clamped in the inner part of the inner framework (5), a spring (8) is fixedly arranged on one side of the lip (7), the other side of the spring (8) is fixedly connected with one side of the inner part of the inner framework (5), sealing rings (9) are respectively covered on two sides between the outer elastic sealing body (4), the outer framework (3), the inner framework (5) and the lip (7), the outer surface of the outer elastic sealing body (4) is contacted with the inner side of the seat hole (1), and one side of the lip (7) is in contact with the outer surface of the rotating shaft (2).
2. The PTFE oil seal structure capable of adapting to the bidirectional rotary motion of claim 1, wherein: the wear-resistant rubber gasket is characterized in that a wear-resistant pad (10) is fixedly mounted on one side of the inner portion of the lip piece (7), and an inner elastic sealing body (11) is filled between the wear-resistant pad (10) and the lip piece (7).
3. The PTFE oil seal structure capable of adapting to the bidirectional rotary motion of claim 1, wherein: a clamping groove (12) is formed in the middle of the outer side of the outer framework (3), the clamping groove (12) is of a trapezoidal structure, and the outer elastic sealing body (4) is clamped inside the clamping groove (12).
4. A PTFE oil seal structure capable of adapting to bidirectional rotary motion according to claim 3, wherein: a clamping block (13) is fixedly mounted on one side of the interior of the outer elastic sealing body (4), the clamping block (13) is the same as the clamping groove (12), and the outer elastic sealing body (4) is clamped in the clamping groove (12) on the outer framework (3) through the clamping block (13).
5. The PTFE oil seal structure capable of adapting to the bidirectional rotary motion of claim 1, wherein: the outer elastic sealing body (4) and the lip piece (7) are both made of polytetrafluoroethylene materials.
6. The PTFE oil seal structure capable of adapting to the bidirectional rotary motion of claim 1, wherein: lip (7) are K type structure, just the upper end and the lower extreme of lip (7) all with rotation axis (2) contact, the even fixed mounting in surface of outer elasticity seal (4) has arch (14), arch (14) with the inboard of seat hole (1) contacts.
7. The PTFE oil seal structure capable of adapting to the bidirectional rotary motion of claim 1, wherein: the outer framework (3) and the inner framework (5) are both U-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591726.4U CN212839390U (en) | 2020-08-03 | 2020-08-03 | PTFE oil seal structure capable of adapting to bidirectional rotary motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021591726.4U CN212839390U (en) | 2020-08-03 | 2020-08-03 | PTFE oil seal structure capable of adapting to bidirectional rotary motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839390U true CN212839390U (en) | 2021-03-30 |
Family
ID=75128677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021591726.4U Active CN212839390U (en) | 2020-08-03 | 2020-08-03 | PTFE oil seal structure capable of adapting to bidirectional rotary motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839390U (en) |
-
2020
- 2020-08-03 CN CN202021591726.4U patent/CN212839390U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266000 No. 81, Shaohai Road, Hetao street, Chengyang District, Qingdao City, Shandong Province Patentee after: Qingdao Runfuxiang Sealing Technology Co.,Ltd. Address before: 266000 export processing zone supporting industrial zone, Hongdao Economic Zone, Qingdao City, Shandong Province Patentee before: Qingdao Runxiang Sealing Technology Co.,Ltd. |