CN218326195U - Embedded spring type oil seal - Google Patents
Embedded spring type oil seal Download PDFInfo
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- CN218326195U CN218326195U CN202222326767.6U CN202222326767U CN218326195U CN 218326195 U CN218326195 U CN 218326195U CN 202222326767 U CN202222326767 U CN 202222326767U CN 218326195 U CN218326195 U CN 218326195U
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Abstract
The utility model discloses an embedded spring type oil seal, which comprises a framework and a sealing rubber body, wherein a middle sealing component is arranged in the middle of the sealing rubber body, a circular groove is arranged outside the middle sealing component, a spring is arranged in the circular groove, one end of the spring, which is far away from the central position of the sealing rubber body, is provided with a bulge, and the top of one side, which is close to the spring, of the bulge is provided with an arc surface; oil leakage prevention assemblies are arranged at the bottoms of the two sides of the sealing rubber body; the middle sealing assembly comprises a through hole arranged in the middle of the sealing rubber body, a main sealing lip is arranged at the inner bottom of the through hole, and an auxiliary sealing lip is arranged at the inner top of the through hole; the framework comprises L-shaped framework bodies arranged on two sides in the sealing rubber body, a vertical framework body is arranged at the top of one end, close to the secondary sealing lip, of each L-shaped framework body, and an inclined framework body is arranged at the bottom end of each vertical framework body and is positioned at the top end of each spring. The utility model discloses sealing capacity is strong, and can prevent that the spring from droing, improves the stability that the oil blanket used.
Description
Technical Field
The utility model relates to an oil blanket technical field particularly, relates to an embedded spring oil blanket.
Background
In the industries of aviation, automobiles, motorcycles, railways, vehicles, ships, household appliances, engineering machinery and the like, in order to prevent engine oil from leaking, an oil seal is required to be installed on a part of a shaft extending out of a machine body, and a commonly used method is to arrange the oil seal, wherein the material of the oil seal is mostly an elastomer. The oil seal is adapted to substantially maintain contact of the lip seal with the shaft by a sufficient radial force during use.
An oil seal structure in the prior art, for example, chinese patent No. 201320711079.X discloses a novel oil seal, which comprises a framework, a framework ring cylinder, a rubber wrapping layer, an extension section and the like, wherein the head of the extension section is provided with a circle of sealing lip, the inner side surface of the sealing lip is provided with a concave ring, a spring is embedded in the concave ring, and the sealing effect is high. The strength is good. Generally be provided with the spring in the oil blanket for improve seal lip's sealing ability, but the spring has the risk that drops in the oil blanket of current, needs the stability of further improvement spring when using, and the oil blanket need compress tightly the both sides of oil blanket when specifically using simultaneously, prevents that fluid from taking place to leak from the both sides of oil blanket.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem in the correlation technique, the utility model provides an embedded spring type oil blanket to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
an embedded spring type oil seal comprises a framework and a sealing rubber body, wherein a middle sealing component is arranged in the middle of the sealing rubber body, an annular groove is formed in the outer side of the middle sealing component, a spring is arranged in the annular groove, a bulge is arranged at one end, away from the central position of the sealing rubber body, of the spring, and an arc surface is arranged at the top of one side, close to the spring, of the bulge; the bottom of the two sides of the sealing rubber body is provided with an oil leakage prevention assembly.
Furthermore, in order to enable the oil seal to have a sealing effect, the middle sealing assembly comprises a through hole arranged in the middle of the sealing rubber body, a main sealing lip is arranged at the inner bottom of the through hole, and an auxiliary sealing lip is arranged at the inner top of the through hole.
Further, in order to prevent oil from leaking from two sides of the oil seal, the oil leakage prevention assembly comprises an extension block arranged at the bottom of two sides of the sealing rubber body, and a first oil leakage prevention seal lip and a second oil leakage prevention seal lip are sequentially arranged at the bottom of the extension block.
Furthermore, in order to improve the sealing capability of the oil leakage prevention assembly, inclined planes are arranged at one ends of the first oil leakage prevention seal lip and the second oil leakage prevention seal lip, which are close to the center of the seal rubber body; the top of the extension block and the side edge of the framework are provided with a storage area, and the bottom of one end of the storage area, which is close to the center of the sealing rubber body, is provided with an opening.
Further, in order to improve the sealing capacity of the secondary sealing lip, the framework comprises L-shaped framework bodies arranged on two sides inside the sealing rubber body, a vertical framework body is arranged at the top of one end, close to the secondary sealing lip, of each L-shaped framework body, and an inclined framework body is arranged at the bottom end of each vertical framework body and is located at the top end of the spring.
The beneficial effects of the utility model are that:
(1) The utility model discloses sealing capacity is strong, and can prevent that the spring from droing, improves the stability that the oil blanket used.
(2) Through setting up arch and slope skeleton body to make the more firm installation in ring groove of spring, and through setting up vertical skeleton body, thereby improve the stability of vice seal lip department.
(3) By arranging the oil leakage prevention assembly, oil can be prevented from leaking from two sides of the oil seal; through setting up first leak protection oil seal lip, second leak protection oil seal lip, inclined plane, storage district to when the unexpected leak protection oil subassembly that reachs of fluid, can block the outside seepage of fluid, and collect together the fluid in inclined plane department and storage district and can further extrude first leak protection oil seal lip and second leak protection oil seal lip, make sealed effect better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embedded spring type oil seal according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic diagram of a three-dimensional structure of an embedded spring type oil seal according to the embodiment of the present invention.
In the figure:
1. a framework; 101. an L-shaped framework; 102. a vertical skeleton body; 103. inclining the skeleton body; 2. a sealing rubber body; 3. a middle seal assembly; 301. a through hole; 302. a primary seal lip; 303. a secondary sealing lip; 4. a circular groove; 5. a spring; 6. a protrusion; 7. a circular arc surface; 8. an oil leakage prevention assembly; 801. an extension block; 802. a first oil leakage prevention seal lip; 803. a second oil leakage prevention seal lip; 804. an inclined surface; 805. a storage area; 806. and (4) opening.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides an embedded spring type oil blanket.
The present invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, according to the present invention, an embedded spring type oil seal includes a framework 1 and a sealing rubber body 2, the framework 1 is made of metal material, the sealing rubber body 2 is made of nitrile rubber, fluororubber, silicon rubber and other materials, a middle sealing component 3 is disposed in the middle of the sealing rubber body 2, a circular groove 4 is disposed outside the middle sealing component 3, a spring 5 is disposed in the circular groove 4, in addition, the spring 5 can be made of metal spring, a protrusion 6 is disposed at one end of the spring 5 away from the center of the sealing rubber body 2, and an arc surface 7 is disposed at the top of one side of the protrusion 6 close to the spring 5; the bottom of the two sides of the sealing rubber body 2 is provided with an oil leakage prevention assembly 8.
With the aid of the above technical scheme, the utility model discloses sealing capacity is strong, and can prevent that spring 5 from droing, improves the stability that the oil blanket used.
As shown in fig. 1, in one embodiment, for the middle seal assembly 3, the middle seal assembly 3 includes a through hole 301 disposed in the middle of the sealing rubber body 2, a main seal lip 302 is disposed at an inner bottom of the through hole 301, and an auxiliary seal lip 303 is disposed at an inner top of the through hole 301, and in a specific use, the main seal lip 302 and the auxiliary seal lip 303 contact with the associated connecting rod and the rotating shaft, so that the oil seal has a sealing effect.
As shown in fig. 1, in one embodiment, for the oil leakage preventing assembly 8, the oil leakage preventing assembly 8 includes an extension block 801 disposed at the bottom of both sides of the rubber seal 2, and a first oil leakage preventing seal lip 802 and a second oil leakage preventing seal lip 803 are sequentially disposed at the bottom of the extension block 801; inclined surfaces 804 are arranged at one ends of the first oil leakage prevention seal lip 802 and the second oil leakage prevention seal lip 803 close to the center of the sealing rubber body 2; the top of the extension block 801 and the side of the framework 1 are provided with a storage area 805, and the bottom of one end of the storage area 805 close to the center of the sealing rubber body 2 is provided with an opening 806, so that the oil liquid can be prevented from leaking from the two sides of the oil seal.
As shown in fig. 1, in one embodiment, for the above-mentioned frame 1, the frame 1 includes L-shaped frame bodies 101 disposed at two sides inside the sealing rubber body 2, a vertical frame body 102 is disposed at a top of one end of the L-shaped frame body 101 close to the secondary sealing lip 303, and an inclined frame body 103 is disposed at a bottom end of the vertical frame body 102 and at a top end of the spring 5, so as to improve the sealing capability of the secondary sealing lip 303.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the main sealing lip 302 and the auxiliary sealing lip 303 are in contact with the relevant connecting rod and the relevant rotating shaft, so that the sealing effect is achieved. The first oil leakage preventing seal lip 802 and the second oil leakage preventing seal lip 803 are in contact with a fixing surface of a machine body to be sealed. When oil accidentally reaches the oil leakage prevention assembly 8, the first oil leakage prevention seal lip 802 and the second oil leakage prevention seal lip 803 prevent the oil from leaking out of the two sides of the oil seal. When oil accumulates at the inclined surface 804 and in the storage area 805, the first oil leakage preventing seal lip 802 and the second oil leakage preventing seal lip 803 can be further pressed, and the sealing effect is better.
To sum up, the utility model discloses sealing capacity is strong, and can prevent that spring 5 from droing, improves the stability that the oil blanket used. Through setting up arch 6 and slope skeleton body 103 to make spring 5 more firm install in ring groove 4, and through setting up vertical skeleton body 102, thereby improve the stability of vice seal lip 303 department. By arranging the oil leakage prevention assembly 8, oil can be prevented from leaking from two sides of the oil seal; through setting up first leak protection oil seal lip 802, second leak protection oil seal lip 803, inclined plane 804, storage area 805 to when oil accident arrived leak protection oil subassembly 8, can block the outside seepage of oil, and collect the oil in inclined plane 804 department and storage area 805 and can further extrude first leak protection oil seal lip 802 and second leak protection oil seal lip 803, make sealed effect better.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an embedded spring type oil blanket, includes skeleton (1) and sealing rubber body (2), its characterized in that:
a middle sealing component (3) is arranged in the middle of the sealing rubber body (2), a circular groove (4) is arranged on the outer side of the middle sealing component (3), a spring (5) is arranged in the circular groove (4), a protrusion (6) is arranged at one end, far away from the center of the sealing rubber body (2), of the spring (5), and an arc surface (7) is arranged at the top of one side, close to the spring (5), of the protrusion (6);
and oil leakage preventing assemblies (8) are arranged at the bottoms of the two sides of the sealing rubber body (2).
2. The spring-embedded oil seal according to claim 1, wherein the middle sealing assembly (3) comprises a through hole (301) formed in the middle of the sealing rubber body (2), a main sealing lip (302) is arranged at the inner bottom of the through hole (301), and an auxiliary sealing lip (303) is arranged at the inner top of the through hole (301).
3. The embedded spring type oil seal according to claim 1 or 2, wherein the oil leakage preventing component (8) comprises an extending block (801) arranged at the bottoms of two sides of the sealing rubber body (2), and a first oil leakage preventing seal lip (802) and a second oil leakage preventing seal lip (803) are sequentially arranged at the bottom of the extending block (801).
4. The embedded spring type oil seal according to claim 3, wherein the first oil-leakage-proof seal lip (802) and the second oil-leakage-proof seal lip (803) are provided with inclined surfaces (804) at ends close to the center of the sealing rubber body (2).
5. The spring-embedded oil seal as claimed in claim 4, wherein a storage area (805) is arranged at the top of the extension block (801) and at the side of the framework (1), and an opening (806) is arranged at the bottom of one end of the storage area (805) close to the central position of the sealing rubber body (2).
6. The spring-embedded oil seal according to claim 2, wherein the framework (1) comprises L-shaped framework bodies (101) arranged on two sides inside the sealing rubber body (2), a vertical framework body (102) is arranged at the top of one end, close to the secondary sealing lip (303), of the L-shaped framework body (101), and an inclined framework body (103) is arranged at the bottom end of the vertical framework body (102) and located at the top end of the spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222326767.6U CN218326195U (en) | 2022-09-01 | 2022-09-01 | Embedded spring type oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222326767.6U CN218326195U (en) | 2022-09-01 | 2022-09-01 | Embedded spring type oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218326195U true CN218326195U (en) | 2023-01-17 |
Family
ID=84833764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222326767.6U Active CN218326195U (en) | 2022-09-01 | 2022-09-01 | Embedded spring type oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218326195U (en) |
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2022
- 2022-09-01 CN CN202222326767.6U patent/CN218326195U/en active Active
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