CN210050295U - Waterproof high temperature resistant sealed oil blanket circle - Google Patents
Waterproof high temperature resistant sealed oil blanket circle Download PDFInfo
- Publication number
- CN210050295U CN210050295U CN201920864661.7U CN201920864661U CN210050295U CN 210050295 U CN210050295 U CN 210050295U CN 201920864661 U CN201920864661 U CN 201920864661U CN 210050295 U CN210050295 U CN 210050295U
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- Prior art keywords
- ring
- metal framework
- rubber ring
- annular groove
- annular
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- 229920001971 elastomer Polymers 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims description 59
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 46
- 229920000459 Nitrile rubber Polymers 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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Abstract
The utility model discloses a waterproof high temperature resistant sealed oil blanket circle relates to oil blanket circle technical field, and for solving current oil blanket circle anti deformability poor, high temperature resistant ability is poor, to under the great condition of operating oil pressure, the poor problem of sealed effect. First rubber circle is installed to the lower extreme of oil blanket circle body, second rubber circle is installed to the upper end of first rubber circle, third rubber circle is installed to the upper end of second rubber circle, the inside of third rubber circle is provided with first annular groove, the inside of second rubber circle is provided with the second annular groove, the inside of first rubber circle is provided with the third annular groove, the internally mounted of first annular groove has first sealing washer, the internally mounted of second annular groove has the second sealing washer, the internally mounted of third annular groove has the third sealing washer, the inside of first rubber circle is provided with first annular fixed slot, the inside of second rubber circle is provided with second annular fixed slot.
Description
Technical Field
The utility model relates to an oil blanket circle technical field specifically is a waterproof high temperature resistant sealed oil blanket circle.
Background
The oil seal, also known as shaft seal, is a device part used for preventing the fluid such as lubricating oil from spilling over from the juncture of the fixed parts such as oil seal and axle, etc. in the machine at present, the oil seal used in all kinds of machinery is the annular oil seal body mostly, its simple in construction, the oil seal is very easy to loosen because of the mechanical vibration while the machine is running, or the juncture interval is increased under frequent vibration, make the oil seal sealing performance decline, the oil seal can prevent the liquid medium from spilling from the sealed mechanism effectively, it features that it has lower leakage rate, the heat-resisting and pressure-resisting range is wider, the outer circumferential surface of the general oil seal is a smooth cylindrical surface, its seal is guaranteed by the magnitude of interference of the rubber, can guarantee to seal under the minor situation of the working oil pressure.
However, the existing oil seal ring has poor deformation resistance and high temperature resistance, and has poor sealing effect under the condition of large working oil pressure; therefore, the existing requirements are not met, and a waterproof high-temperature-resistant sealing oil seal ring is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waterproof high temperature resistant sealed oil blanket circle to the current oil blanket circle anti deformability who proposes in solving above-mentioned background art is poor, and high temperature resistant ability is poor, to under the great condition of operating oil pressure, the poor problem of sealed effect.
In order to achieve the above object, the utility model provides a following technical scheme: a waterproof high-temperature-resistant sealing oil seal ring comprises an oil seal ring body, wherein a first rubber ring is installed at the lower end of the oil seal ring body, a second rubber ring is installed at the upper end of the first rubber ring, a third rubber ring is installed at the upper end of the second rubber ring, a first annular groove is formed in the third rubber ring, a second annular groove is formed in the second rubber ring, a third annular groove is formed in the first rubber ring, a first sealing ring is installed in the first annular groove, a second sealing ring is installed in the second annular groove, a third sealing ring is installed in the third annular groove, a first annular fixing groove is formed in the first rubber ring, a second annular fixing groove is formed in the second rubber ring, a third annular fixing groove is formed in the third rubber ring, the internally mounted of first annular fixed slot has first metal framework, the internally mounted of second annular fixed slot has second metal framework, the internally mounted of third annular fixed slot has third metal framework.
Preferably, the first rubber ring and the second rubber ring are arranged into an integrally formed structure, and the second rubber ring and the third rubber ring are arranged into an integrally formed structure.
Preferably, first annular groove and first sealing washer are connected in bonding, second annular groove and second sealing washer are connected in bonding, third annular groove and third sealing washer are connected in bonding.
Preferably, the first annular fixing groove is connected with the first metal framework in a sealing mode, the second annular fixing groove is connected with the second metal framework in a sealing mode, and the third annular fixing groove is connected with the third metal framework in a sealing mode.
Preferably, first metal framework imbeds the inside of first rubber circle, the inside of second metal framework embedding second rubber circle, the inside of third metal framework embedding third rubber circle.
Preferably, first metal framework sets up to ring type structure, second metal framework sets up to ring type structure, third metal framework sets up to ring type structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a through being provided with first sealing washer, second sealing washer and third sealing washer, three sealing washers are the notch cuttype and arrange, increase the whole sealing performance of oil blanket body, and overall structure is simple, and the cost is lower, to the great condition of working oil pressure, also can guarantee the good sealing performance of oil blanket body;
2. the utility model discloses a set up first rubber circle, second rubber circle and third rubber circle into hydrogenated nitrile rubber, hydrogenated nitrile rubber's temperature resistant range is forty under zero and sets up the degree to one hundred fifty degrees centigrade, high temperature resistant and low temperature resistant effectual, increased the life of oil blanket circle body, all coated with waterproof coating in the outside of first rubber circle, second rubber circle and third rubber circle, increase the waterproof performance of oil blanket circle body;
3. the utility model discloses a be provided with first metal framework, second metal framework and third metal framework respectively in the inside of first rubber circle, second rubber circle and third rubber circle for the pressure resistance of oil blanket circle body is good, and anti deformability is strong.
Drawings
Fig. 1 is a three-dimensional perspective view of the oil seal ring body of the present invention;
fig. 2 is a schematic structural view of a first annular groove of the present invention;
fig. 3 is a schematic structural diagram of the first metal framework of the present invention.
In the figure: 1. an oil seal ring body; 2. a first rubber ring; 3. a second rubber ring; 4. a third rubber ring; 5. a first annular groove; 6. a second annular groove; 7. a third annular groove; 8. a first seal ring; 9. a second seal ring; 10. a third seal ring; 11. a first ring-shaped fixing groove; 12. a second annular fixing groove; 13. a third annular fixing groove; 14. a first metal skeleton; 15. a second metal skeleton; 16. a third metal skeleton.
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.
Referring to fig. 1-3, the present invention provides an embodiment: a waterproof high-temperature-resistant sealing oil seal ring comprises an oil seal ring body 1, a first rubber ring 2 is installed at the lower end of the oil seal ring body 1, a second rubber ring 3 is installed at the upper end of the first rubber ring 2, a third rubber ring 4 is installed at the upper end of the second rubber ring 3, a first annular groove 5 is formed in the third rubber ring 4, a second annular groove 6 is formed in the second rubber ring 3, a third annular groove 7 is formed in the first rubber ring 2, a first sealing ring 8 is installed in the first annular groove 5, a second sealing ring 9 is installed in the second annular groove 6, a third sealing ring 10 is installed in the third annular groove 7, the overall sealing performance of the oil seal ring body 1 is improved by the first sealing ring 8, the second sealing ring 9 and the third sealing ring 10, a first annular fixing groove 11 is formed in the first rubber ring 2, the inside of second rubber ring 3 is provided with second annular fixed slot 12, the inside of third rubber ring 4 is provided with third annular fixed slot 13, the internally mounted of first annular fixed slot 11 has first metal framework 14, the internally mounted of second annular fixed slot 12 has second metal framework 15, the internally mounted of third annular fixed slot 13 has third metal framework 16, first metal framework 14, second metal framework 15 and third metal framework 16 make oil seal ring body 1's compressive property good, and the anti deformability is strong.
Further, first rubber circle 2 sets up to the integrated into one piece structure with second rubber circle 3, and second rubber circle 3 sets up to the integrated into one piece structure with third rubber circle 4, and the integrated into one piece structure is more stable, and it is more convenient to produce, and whole sealing performance is better.
Furthermore, the first annular groove 5 is connected with the first sealing ring 8 in a bonding mode, the second annular groove 6 is connected with the second sealing ring 9 in a bonding mode, the third annular groove 7 is connected with the third sealing ring 10 in a bonding mode, the material utilization rate is high, the cost is low, stress concentration on all bonding surfaces is small, and therefore the sealing performance, the insulating performance and the corrosion resistance are good.
Further, the first annular fixing groove 11 is connected with the first metal framework 14 in a sealing mode, the second annular fixing groove 12 is connected with the second metal framework 15 in a sealing mode, the third annular fixing groove 13 is connected with the third metal framework 16 in a sealing mode, and the first metal framework 14, the second metal framework 15 and the third metal framework 16 enable the oil seal ring body 1 to be good in pressure resistance and strong in deformation resistance.
Further, the first metal framework 14 is embedded into the first rubber ring 2, the second metal framework 15 is embedded into the second rubber ring 3, the third metal framework 16 is embedded into the third rubber ring 4, the deformation resistance of the oil seal ring body 1 is enhanced, the first metal framework 14, the second metal framework 15 and the third metal framework 16 are not prone to falling off, and the service life of the whole oil seal ring body 1 is prolonged.
Further, first metal framework 14 sets up to ring type structure, and second metal framework 15 sets up to ring type structure, and third metal framework 16 sets up to ring type structure, and the structure is more stable, and compressive capacity is stronger, makes oil seal ring body 1 non-deformable.
The working principle is as follows: when the oil seal ring is used, the oil seal ring body 1 is installed in a mounting hole of a seal seat or a bearing seat, the first rubber ring 2, the second rubber ring 3 and the third rubber ring 4 are all made of hydrogenated nitrile rubber and arranged in a step manner, the temperature resistance range of the hydrogenated nitrile rubber is forty-zero to one hundred fifty degrees centigrade, the high-temperature resistance and low-temperature resistance effects are good, the service life of the oil seal ring body 1 is prolonged, the three seal rings are arranged in the step manner by the arrangement of the first seal ring 8, the second seal ring 9 and the third seal ring 10, the overall sealing performance of the oil seal ring body 1 is improved, the overall structure is simple, the cost is low, the good sealing performance of the oil seal ring body 1 can be ensured under the condition of large working oil pressure, and the first metal framework 14, the second metal framework, the first metal framework, the second metal framework, the third metal framework, the second seal ring 3 and the third rubber ring, The second metal framework 15 and the third metal framework 16 enable the pressure resistance of the oil seal ring body 1 to be good and the deformation resistance to be strong, waterproof paint is coated outside the first rubber ring 2, the second rubber ring 3 and the third rubber ring 4, and the waterproof performance of the oil seal ring body 1 is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a waterproof high temperature resistant sealed oil blanket circle, includes oil blanket circle body (1), its characterized in that: a first rubber ring (2) is installed at the lower end of the oil seal ring body (1), a second rubber ring (3) is installed at the upper end of the first rubber ring (2), a third rubber ring (4) is installed at the upper end of the second rubber ring (3), a first annular groove (5) is formed in the third rubber ring (4), a second annular groove (6) is formed in the second rubber ring (3), a third annular groove (7) is formed in the first rubber ring (2), a first sealing ring (8) is installed in the first annular groove (5), a second sealing ring (9) is installed in the second annular groove (6), a third sealing ring (10) is installed in the third annular groove (7), a first annular fixing groove (11) is formed in the first rubber ring (2), the inside of second rubber ring (3) is provided with second annular fixed slot (12), the inside of third rubber ring (4) is provided with third annular fixed slot (13), the internally mounted of first annular fixed slot (11) has first metal framework (14), the internally mounted of second annular fixed slot (12) has second metal framework (15), the internally mounted of third annular fixed slot (13) has third metal framework (16).
2. The waterproof high-temperature-resistant sealing oil seal ring according to claim 1, characterized in that: the first rubber ring (2) and the second rubber ring (3) are arranged to be of an integrally formed structure, and the second rubber ring (3) and the third rubber ring (4) are arranged to be of an integrally formed structure.
3. The waterproof high-temperature-resistant sealing oil seal ring according to claim 1, characterized in that: first annular groove (5) and first sealing washer (8) splice and are connected, second annular groove (6) and second sealing washer (9) splice and are connected, third annular groove (7) and third sealing washer (10) splice and are connected.
4. The waterproof high-temperature-resistant sealing oil seal ring according to claim 1, characterized in that: the first annular fixing groove (11) is connected with the first metal framework (14) in a sealing mode, the second annular fixing groove (12) is connected with the second metal framework (15) in a sealing mode, and the third annular fixing groove (13) is connected with the third metal framework (16) in a sealing mode.
5. The waterproof high-temperature-resistant sealing oil seal ring according to claim 1, characterized in that: the first metal framework (14) is embedded into the first rubber ring (2), the second metal framework (15) is embedded into the second rubber ring (3), and the third metal framework (16) is embedded into the third rubber ring (4).
6. The waterproof high-temperature-resistant sealing oil seal ring according to claim 1, characterized in that: first metal framework (14) set up to ring type structure, second metal framework (15) set up to ring type structure, third metal framework (16) set up to ring type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864661.7U CN210050295U (en) | 2019-06-11 | 2019-06-11 | Waterproof high temperature resistant sealed oil blanket circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920864661.7U CN210050295U (en) | 2019-06-11 | 2019-06-11 | Waterproof high temperature resistant sealed oil blanket circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050295U true CN210050295U (en) | 2020-02-11 |
Family
ID=69397402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920864661.7U Expired - Fee Related CN210050295U (en) | 2019-06-11 | 2019-06-11 | Waterproof high temperature resistant sealed oil blanket circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050295U (en) |
-
2019
- 2019-06-11 CN CN201920864661.7U patent/CN210050295U/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 |
Granted publication date: 20200211 |