CN220622713U - Double-material rotary oil seal - Google Patents
Double-material rotary oil seal Download PDFInfo
- Publication number
- CN220622713U CN220622713U CN202322250880.5U CN202322250880U CN220622713U CN 220622713 U CN220622713 U CN 220622713U CN 202322250880 U CN202322250880 U CN 202322250880U CN 220622713 U CN220622713 U CN 220622713U
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- Prior art keywords
- ring
- oil seal
- fixed mounting
- sealing
- material rotary
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- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 82
- 239000010687 lubricating oil Substances 0.000 abstract description 6
- 230000009545 invasion Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a double-material rotary oil seal which comprises a support piece, wherein an auxiliary ring is fixedly arranged on the inner side of the support piece, a metal framework is fixedly arranged in the auxiliary ring, a mounting ring is fixedly arranged on the inner side of the support piece, a fixing ring is fixedly arranged on the inner side of the mounting ring, a dustproof oil seal lip ring is fixedly arranged on the inner side of the fixing ring, and a movable ring is fixedly arranged on the inner side of the fixing ring. Through the oil seal lip ring A and the sealing rubber that set up, the sealed outer lane can prevent outside debris invasion organism inside, and the tight hoop spring drives oil seal lip ring A and tightens up and hugs closely in the outside of axis of rotation, has also increased the leakproofness of device, makes outside debris invade organism inside, and lubricating oil leaks outside from the lip, has increased the life of oil blanket.
Description
Technical Field
The utility model belongs to the technical field of oil seals, and particularly relates to a dual-material rotary oil seal.
Background
Oil seals are a common convention designation for seals, simply referred to as lubrication seals. It is a mechanical element used to seal grease (oil is the most common liquid substance in transmission systems, also generally referred to as the meaning of liquid substance), it isolates the parts of the transmission parts that need lubrication from the parts that are being driven, so as not to let the lubrication leak, and the static seal and dynamic seal seals are called oil seals.
The rotary oil seal is a sealing piece of a mechanism rotary shaft, and has the functions of preventing oil from leaking outwards along the rotary shaft and preventing external impurities from invading the inside of a machine body, the existing rotary oil seal is fixedly arranged in an oil seal hole of a box body, and a sealing body and a sealing lip are fixed, so that the rotary shaft can wear the lip when rotating, the service life of the oil seal is reduced, the oil seal is invalid, the external impurities invade the inside of the machine body, and lubricating oil leaks to the outside from the lip.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a dual-material rotary oil seal, which solves the problems that the existing rotary oil seal sealing body and sealing lip are fixed, the lip is worn when a rotary shaft rotates, the service life of the oil seal is shortened, external sundries invade the inside of a machine body, and lubricating oil leaks to the outside from the lip.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bi-material rotary oil seal, includes support piece, the inboard fixed mounting of support piece has the auxiliary ring, the inside fixed mounting of auxiliary ring has metal skeleton, the inboard fixed mounting of support piece has the collar, the inboard fixed mounting of collar has the solid fixed ring, the inboard fixed mounting of solid fixed ring has dustproof oil seal lip ring, the inboard fixed mounting of solid fixed ring has the expansion ring, a plurality of recesses have been seted up to the inboard of expansion ring, the equal movable mounting of inside of a plurality of recesses has the movable ball, the inboard fixed mounting of auxiliary ring has the spacing ring, the inboard movable mounting of spacing ring has the go-between, the outside fixed mounting of go-between has sealing rubber, one side fixed mounting of go-between has oil seal lip ring A, the outside of oil seal lip ring A has the annular, the inside movable mounting of annular has the binding spring, the inboard fixed mounting of go-between has a plurality of seal lines, the outside fixed mounting of support piece has a plurality of seal lines.
Preferably, the cross section of the metal framework is right-angled, and the auxiliary ring is wrapped on the outer side of the metal framework.
Through above-mentioned technical scheme, the advantage lies in that the material of supplementary circle is made for the rubber material, can make supplementary circle can not take place to warp through metal skeleton, has increased the stability of device.
Preferably, the movable balls are uniformly distributed in the grooves in a circumference manner.
Through above-mentioned technical scheme, advantage lies in that the movable ball can reduce the frictional force of axis of rotation and expansion ring, has improved the life of oil blanket.
Preferably, the sealing strips are uniformly distributed on the outer side of the support piece in a circumferential linear manner.
Through above-mentioned technical scheme, the advantage lies in can increase the frictional force in support piece and the oil pipe through sealed line strip, has also improved support piece's leakproofness.
Preferably, the limiting ring is installed in a 30-degree inclined mode, the sealing rubber is installed in a 30-degree inclined mode, one side of the tightening spring is clung to one side of the sealing rubber, and the sealing rubber is in running fit with the limiting ring.
Through above-mentioned technical scheme, advantage lies in through sealing rubber and spacing ring's normal running fit when using seal outer lane and oil blanket lip ring A can rotate with the axis of rotation in step, reduces the frictional force of seal outer lane and oil blanket lip ring A and axis of rotation, has improved seal outer lane and oil blanket lip ring A's life.
Preferably, the cross section of the ring groove is concave.
Through the technical scheme, the sealing device has the advantages that the clamping spring is convenient for tightening the concave ring groove to enable the concave ring groove to be clung to the outer side of the rotating shaft, and the sealing performance of the oil seal is enhanced.
Preferably, the diameter of the inner ring of the sealing outer ring is equal to that of the inner ring of the dustproof oil seal lip ring, and the inner side of the dustproof oil seal lip ring is in a 45-degree oblique angle.
Through above-mentioned technical scheme, the advantage lies in can strengthen the sealed effect of device through sealed outer lane and dustproof oil blanket lip ring, and the practicality is good.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the support piece that sets up, when using, the user places the support piece inside the oil blanket hole, the rotation axis runs through the inside of oil blanket simultaneously, the leakproofness at the inner wall in oil blanket hole is increased to the leakproofness that the oil blanket can be hugged closely to sealed line strip this moment, contact the axis of rotation through dustproof oil blanket lip ring and realize the seal to lubricating oil, and the sealed outer lane can prevent outside debris invasion organism inside, influence the use, tighten up the power through the binding spring simultaneously and make it hug closely in the outside of axis of rotation, movable ball can reduce the frictional force of axis of rotation and oil blanket when the axis of rotation rotates, simultaneously sealing rubber can make sealed outer lane and oil blanket lip ring A carry out synchronous rotation when hugging closely in the axis of rotation outside, the life of oil blanket has been increased to the wearing and tearing of sealed outer lane and oil blanket lip ring A to the axis of rotation, avoid the oil blanket inefficacy.
2. Through oil blanket lip ring A and sealing rubber that sets up, the sealed outer lane can prevent outside debris invasion organism inside, the tight hoop spring drives oil blanket lip ring A and tightens up and make it hug closely in the outside of axis of rotation, the leakproofness of device has also been increased, simultaneously can make sealed outer lane and oil blanket lip ring A with the synchronous rotation of axis of rotation through sealing rubber, the wearing and tearing of axis of rotation to sealed outer lane and oil blanket lip ring A have been reduced and the oil blanket inefficacy is avoided, make outside debris invade organism inside, lubricating oil leaks to the outside from lip department, the life of oil blanket has been increased.
Drawings
FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
fig. 3 is a schematic view of a front cross-sectional structure of the present utility model.
In the figure: 1. a support; 2. an auxiliary ring; 3. a limiting ring; 4. sealing the outer ring; 5. an oil seal lip ring A; 6. a movable ring; 7. a dust-proof oil seal lip ring; 8. sealing the stripe; 9. a movable ball; 10. a fixing ring; 11. a groove; 12. a metal skeleton; 13. a clamp spring; 14. sealing rubber; 15. a ring groove; 16. a mounting ring; 17. and a connecting ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.
As shown in fig. 1-3, a dual-material rotary oil seal comprises a support member 1, an auxiliary ring 2 is fixedly arranged on the inner side of the support member 1, a metal framework 12 is fixedly arranged in the auxiliary ring 2, a mounting ring 16 is fixedly arranged on the inner side of the support member 1, a fixing ring 10 is fixedly arranged on the inner side of the mounting ring 16, a dustproof oil seal lip ring 7 is fixedly arranged on the inner side of the fixing ring 10, a movable ring 6 is fixedly arranged on the inner side of the fixing ring 10, a plurality of grooves 11 are formed in the inner side of the movable ring 6, movable balls 9 are movably arranged in the grooves 11, a limit ring 3 is fixedly arranged on the inner side of the auxiliary ring 2, a connecting ring 17 is movably arranged on the inner side of the limit ring 3, a sealing rubber 14 is fixedly arranged on the outer side of the connecting ring 17, a ring groove 15 is formed in the outer side of the oil seal lip ring 5, a tightening spring 13 is movably arranged in the inner side of the ring groove 15, a sealing outer ring 4 is fixedly arranged on the outer side of the support member 1, and a plurality of sealing strips 8 are fixedly arranged on the outer side of the support member 1.
The working principle of the technical scheme is as follows:
when the anti-abrasion sealing device is used, a user places the support piece 1 inside the oil seal hole, meanwhile, the rotating shaft penetrates through the oil seal, at the moment, the sealing strips 8 can be clung to the inner wall of the oil seal hole to increase the tightness of the oil seal, the anti-abrasion sealing device is contacted with the rotating shaft through the dustproof oil seal lip ring 7 to realize the sealing of lubricating oil, the outer sealing ring 4 can prevent external impurities from invading the inside of a machine body to affect the use, meanwhile, the tightening force of the tightening spring 13 can drive the ring groove 15 to tighten up so as to enable the ring groove 15 to be clung to the outer side of the rotating shaft, the movable ball 9 can reduce the friction force of the rotating shaft and the oil seal when the rotating shaft rotates, and meanwhile, the sealing rubber 14 can enable the outer sealing ring 4 and the oil seal lip ring A5 to synchronously rotate when clung to the outer side of the rotating shaft, so that the abrasion of the outer sealing ring 4 and the oil seal lip ring A5 is reduced, the service life of the oil seal is prolonged, and the failure of the oil seal is avoided.
In another embodiment, as shown in fig. 1-3, the cross section of the metal skeleton 12 is at right angles, and the auxiliary ring 2 is wrapped around the outside of the metal skeleton 12.
The auxiliary ring 2 is made of rubber, and the auxiliary ring 2 can not deform through the metal framework 12, so that the stability of the device is improved.
In another embodiment, as shown in fig. 1-3, the movable balls 9 are uniformly distributed circumferentially inside a plurality of grooves 11.
The movable ball 9 can reduce the friction force between the rotating shaft and the movable ring 6, and the service life of the oil seal is prolonged.
In another embodiment, as shown in fig. 1-3, several sealing beads 8 are distributed linearly and uniformly over the circumference on the outside of the support 1.
The friction between the support piece 1 and the oil pipe can be increased through the sealing strips 8, and the tightness of the support piece 1 is also improved.
In another embodiment, as shown in fig. 1-3, the limiting ring 3 is installed at an angle of 30 degrees, the sealing rubber 14 is installed at an angle of 30 degrees, one side of the clamping spring 13 is tightly attached to one side of the sealing rubber 14, and the sealing rubber 14 is in rotating fit with the limiting ring 3.
Through the running fit of sealing rubber 14 and spacing ring 3 when using, sealing outer lane 4 and oil blanket lip ring A5 can rotate with the axis of rotation in step, reduce sealing outer lane 4 and the frictional force of oil blanket lip ring A5 and axis of rotation, improved sealing outer lane 4 and the life of oil blanket lip ring A5.
In another embodiment, as shown in fig. 1-3, the cross-section of the groove 15 is concave.
The clamping spring 13 is convenient for tightening the concave ring groove 15 to be clung to the outer side of the rotating shaft, so that the sealing performance of the oil seal is enhanced.
In another embodiment, as shown in fig. 1-3, the inner diameter of the seal outer ring 4 is equal to the inner diameter of the dust seal lip ring 7, and the inner side of the dust seal lip ring 7 is inclined at an angle of 45 °.
The sealing effect of the device can be enhanced through the sealing outer ring 4 and the dustproof oil seal lip ring 7, and the practicability is good.
The working principle and the using flow of the utility model are as follows: when the anti-abrasion sealing device is used, a user places the support piece 1 inside the oil seal hole, meanwhile, the rotating shaft penetrates through the oil seal, at the moment, the sealing strip 8 can be clung to the inner wall of the oil seal hole to increase the tightness of the oil seal, the anti-abrasion sealing device is used for preventing external impurities from invading the inside of a machine body by contacting the rotating shaft through the dustproof oil seal lip ring 7, the sealing outer ring 4 can prevent the external impurities from invading the inside of the machine body, the use is influenced, meanwhile, the tightening force of the tightening spring 13 can drive the annular groove 15 to tighten up the annular groove 15 so as to enable the annular groove 15 to be clung to the outside of the rotating shaft, the movable ball 9 can reduce the friction force of the rotating shaft and the oil seal when the rotating shaft rotates, and simultaneously, the sealing rubber 14 can enable the sealing outer ring 4 and the oil seal lip ring A5 to synchronously rotate while clung to the outside of the rotating shaft, the abrasion of the sealing outer ring 4 and the oil seal lip ring A5 is reduced, the service life of the oil seal is prolonged, the oil seal failure is avoided through the arranged oil seal lip ring A5 and the sealing rubber 14, the sealing outer ring 4 can prevent the external impurities from invading the inside the machine body, the tightening the sealing lip ring A5 to enable the sealing lip A5 to be clung to the outside of the rotating shaft, the sealing ring is also increased, and the sealing performance of the device can be enabled to leak the sealing ring to prevent the external impurities from invading the outside.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a bi-material rotary oil seal, includes support piece (1), its characterized in that: the inside fixed mounting of support piece (1) has supplementary circle (2), the inside fixed mounting of supplementary circle (2) has metal skeleton (12), the inside fixed mounting of support piece (1) has collar (16), the inside fixed mounting of collar (16) has solid fixed ring (10), the inside fixed mounting of solid fixed ring (10) has dustproof oil blanket lip ring (7), the inside fixed mounting of solid fixed ring (10) has expansion ring (6), a plurality of recesses (11) have been seted up to the inboard of expansion ring (6), the inside of a plurality of recesses (11) all movable mounting has movable ball (9), the inboard fixed mounting of supplementary circle (2) has spacing ring (3), the inboard movable mounting of spacing ring (3) has go-between (17), the outside fixed mounting of go-between (17) has sealing rubber (14), one side fixed mounting of go-between (17) has oil blanket lip ring A (5), annular groove (15) have in the outside of solid fixed mounting of oil blanket lip ring A (5), the inside movable mounting of a plurality of recesses (11) has ring groove (9), the outside fixed mounting of sealing strip (8) has seal ring (8).
2. The bi-material rotary oil seal of claim 1, wherein: the cross section of the metal framework (12) is right-angled, and the auxiliary ring (2) is wrapped on the outer side of the metal framework (12).
3. The bi-material rotary oil seal of claim 1, wherein: the movable balls (9) are uniformly distributed in the grooves (11) in a circumferential manner.
4. The bi-material rotary oil seal of claim 1, wherein: the sealing strips (8) are uniformly distributed on the outer side of the supporting piece (1) in a circumferential linear manner.
5. The bi-material rotary oil seal of claim 1, wherein: the limiting ring (3) is obliquely arranged at the angle of (30), the sealing rubber (14) is obliquely arranged at the angle of (30), one side of the clamping spring (13) is clung to one side of the sealing rubber (14), and the sealing rubber (14) is in running fit with the limiting ring (3).
6. The bi-material rotary oil seal of claim 1, wherein: the cross section of the ring groove (15) is concave.
7. The bi-material rotary oil seal of claim 1, wherein: the diameter of the inner ring of the sealing outer ring (4) is equal to that of the inner ring of the dustproof oil seal lip ring (7), and the inner side of the dustproof oil seal lip ring (7) is at a bevel angle of (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250880.5U CN220622713U (en) | 2023-08-22 | 2023-08-22 | Double-material rotary oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322250880.5U CN220622713U (en) | 2023-08-22 | 2023-08-22 | Double-material rotary oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622713U true CN220622713U (en) | 2024-03-19 |
Family
ID=90221133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322250880.5U Active CN220622713U (en) | 2023-08-22 | 2023-08-22 | Double-material rotary oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622713U (en) |
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2023
- 2023-08-22 CN CN202322250880.5U patent/CN220622713U/en active Active
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