CN210372002U - Three-in-one combined oil seal - Google Patents
Three-in-one combined oil seal Download PDFInfo
- Publication number
- CN210372002U CN210372002U CN201920875347.9U CN201920875347U CN210372002U CN 210372002 U CN210372002 U CN 210372002U CN 201920875347 U CN201920875347 U CN 201920875347U CN 210372002 U CN210372002 U CN 210372002U
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- ring
- inner ring
- sealing layer
- combination oil
- sealing
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Abstract
The utility model discloses a trinity combination oil blanket relates to oil blanket technical field, has solved the poor easy problem of damaging of combination oil blanket cooperation among the prior art, and its technical essential is: the sealing ring is arranged on the outer ring and the inner ring, a connecting ring is arranged between the outer ring and the inner ring, a groove for connecting the connecting ring is formed in the outer ring, the outer side edge of the connecting ring is arranged in the groove of the outer ring, and a fourth sealing layer fixedly connected with the connecting ring is arranged on the inner ring; the utility model discloses an outer loop and inner ring are connected to the go-between to spacing in the outer loop, make the outer loop can not produce axial displacement with internalization, thereby guaranteed the leakproofness of combination oil blanket, reduced the risk that combination oil blanket damaged, for traditional combination oil blanket, the utility model discloses life is longer.
Description
Technical Field
The utility model relates to an oil blanket field especially relates to a trinity combination oil blanket.
Background
The oil seal is a common name of a sealing element, namely the sealing of lubricating oil, is a mechanical element for sealing grease, and separates a part needing to be lubricated in a transmission part from a force-applying part so as not to allow the lubricating oil to leak; the representative form of the oil seal is TC oil seal, which is a rubber fully covered double lip oil seal with a self-tightening spring.
The combined oil seal is formed by combining a plurality of oil seals in an interference fit manner, the combined oil seal has multiple sealing performance, the sealing effect is good, and the combined oil seal is used for heavy pollution or environments with more soil and dust.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned defect, provide a trinity combination oil blanket to solve the problem of the poor easy damage of combination oil blanket cooperation among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a trinity combination oil blanket, includes outer loop and inner ring, is equipped with the sealing layer on outer loop and the inner ring, is equipped with the go-between outer loop and the inner ring, is equipped with the groove that is used for connecting the go-between on the outer loop, and the inslot at the outer loop is established on the outside limit of go-between, is equipped with the fourth sealing layer with go-between fixed connection on the inner ring.
As a further scheme of the utility model, the outside of outer loop is equipped with first sealing layer, and the inboard is equipped with the second sealing layer, is equipped with the third sealing layer on the inner ring of outer loop left side bottom.
As a further scheme of the utility model, be equipped with interior seal lip and side seal lip on the third sealing layer, interior seal lip and seal lip all with inner ring interference fit.
As a further proposal of the utility model, the lower end of the connecting ring is arranged on the inner ring edge which is bent towards the outer ring direction.
As a further proposal of the utility model, the outer ring edge of the inner ring of the connecting ring is provided with a steel ball hole, and a steel ball is arranged in the steel ball hole.
To sum up, compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses an outer loop and inner ring are connected to the go-between to spacing in the outer loop, make the outer loop can not produce axial displacement with internalization, thereby guaranteed the leakproofness of combination oil blanket, reduced the risk that combination oil blanket damaged, for traditional combination oil blanket, the utility model discloses life is longer.
Drawings
Fig. 1 is a schematic structural view of a three-in-one combination oil seal in an embodiment 1.
Fig. 2 is a schematic structural view of a three-in-one combination oil seal in an embodiment 2.
Fig. 3 is a schematic structural view of a connecting ring in the embodiment 2 of the three-in-one combination oil seal.
Reference numerals: 1-outer ring, 2-connecting ring, 3-inner ring, 4-first sealing layer, 5-second sealing layer, 6-third sealing layer, 7-fourth sealing layer and 8-steel ball.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Example 1
As shown in fig. 1, the three-in-one combined oil seal comprises an outer ring 1, a connecting ring 2 and an inner ring 3, wherein the outer ring 1 is in sliding connection with the connecting ring 2, and the connecting ring 2 is fixedly connected with the inner ring 3 through a fourth sealing layer 7;
the cross section of the outer ring 1 is Z-shaped, a first sealing layer 4 is arranged on the outer side of the outer ring 1, a second sealing layer 5 is arranged on the inner side of the outer ring 1, a third sealing layer 6 is arranged on the inner ring at the bottom of the left side of the outer ring 1, the first sealing layer 4, the second sealing layer 5 and the third sealing layer 6 are connected with each other, and grooves are formed in the sealing layers on the two sides of the left side of the outer ring 1; an inner sealing lip and two side sealing lips are arranged on the third sealing layer 6, the inner sealing lips are arranged below the outer ring 1 and are in interference fit with the inner ring 3, the side sealing lips are arranged on the right side of the outer ring 1 and are in interference fit with the inner ring 3; a groove processed in a bending mode is formed in the right side of the outer ring 1 and used for installing the connecting ring 2;
the connecting ring 2 is clamped by the side edge formed by bending the outer ring 1 to complete sliding connection, the connecting ring 2 is arranged on the right side of the outer ring 1, the lower end of the connecting ring 2 is arranged on an inner ring edge bent towards the left side, and the inner ring edge is used for increasing the contact area with the fourth sealing layer 7;
the inner ring 3 is L-shaped, the inner ring edge and the right side edge of the inner ring 3 are provided with a fourth sealing layer 7, two sealing lips are arranged on the fourth sealing layer 7, and the sealing lips are fixedly connected with the connecting ring 2.
Example 2
As shown in fig. 2, the three-in-one combined oil seal comprises an outer ring 1, a connecting ring 2 and an inner ring 3, wherein the outer ring 1 is in sliding connection with the connecting ring 2, and the connecting ring 2 is fixedly connected with the inner ring 3 through a fourth sealing layer 7;
the cross section of the outer ring 1 is Z-shaped, a first sealing layer 4 is arranged on the outer side of the outer ring 1, a second sealing layer 5 is arranged on the inner side of the outer ring 1, a third sealing layer 6 is arranged on the inner ring at the bottom of the left side of the outer ring 1, the first sealing layer 4, the second sealing layer 5 and the third sealing layer 6 are connected with each other, and grooves are formed in the sealing layers on the two sides of the left side of the outer ring 1; an inner sealing lip and two side sealing lips are arranged on the third sealing layer 6, the inner sealing lips are arranged below the outer ring 1 and are in interference fit with the inner ring 3, the side sealing lips are arranged on the right side of the outer ring 1 and are in interference fit with the inner ring 3; a groove processed in a bending mode is formed in the right side of the outer ring 1 and used for installing the connecting ring 2;
as shown in fig. 3, the connection ring 2 is clamped by the bent side edge of the outer ring 1 to complete the sliding connection, the connection ring 2 is arranged on the right side of the outer ring 1, the lower end of the connection ring 2 is arranged on an inner ring edge bent towards the left side, and the inner ring edge is used for increasing the contact area with the fourth sealing layer 7; a steel ball hole is formed in the outer ring edge of the connecting ring 2, a steel ball 8 is arranged in the steel ball hole, and the steel ball 8 is used for reducing sliding resistance between the outer ring 1 and the connecting ring 2;
the inner ring 3 is L-shaped, the inner ring edge and the right side edge of the inner ring 3 are provided with a fourth sealing layer 7, two sealing lips are arranged on the fourth sealing layer 7, and the sealing lips are fixedly connected with the connecting ring 2.
To sum up, the utility model discloses a theory of operation is:
when the shaft rotates, the fourth sealing layer 7 rotates due to interference fit between the fourth sealing layer 7 and the shaft, the fourth sealing layer 7 is fixedly connected with the connecting ring 2 and the inner ring 3, the fourth sealing layer 7 drives the connecting ring 2 and the inner ring 3 to rotate, the outer ring 1 is fixed on the machine shell due to sliding connection between the outer ring 1 and the connecting ring 2, the inner sealing lip and the side sealing lip on the third sealing layer 6 are in interference fit with the inner ring 3 to play a sealing role, and the sealing effect is improved due to triple sealing of the inner sealing lip and the side sealing lip.
It needs to be particularly noted that the rubber seal in the application is the application of the prior art, and the connection between the outer ring and the inner ring through the connecting ring is the innovation point of the application, which effectively solves the problem that the combination oil seal in the prior art is poor in matching and easy to damage.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the invention and for the convenience of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a trinity combination oil blanket, includes outer loop (1) and inner ring (3), is equipped with the sealing layer on outer loop (1) and inner ring (3), its characterized in that is equipped with go-between (2) between outer loop (1) and inner ring (3), is equipped with the groove that is used for connecting go-between (2) on outer loop (1), and the inslot of outer loop (1) is established on the outside limit of go-between (2), is equipped with fourth sealing layer (7) with go-between (2) fixed connection on inner ring (3).
2. The three-in-one combination oil seal as claimed in claim 1, wherein the outer side of the outer ring (1) is provided with a first sealing layer (4), the inner side is provided with a second sealing layer (5), and the inner ring at the bottom of the left side of the outer ring (1) is provided with a third sealing layer (6).
3. The three-in-one combination oil seal as claimed in claim 2, wherein the third seal layer (6) is provided with an inner seal lip and a side seal lip, and the inner seal lip and the side seal lip are in interference fit with the inner ring (3).
4. The three-in-one combination oil seal as claimed in claim 1, wherein the lower end of the connection ring (2) is disposed at an inner ring edge bent toward the outer ring (1).
5. The three-in-one combination oil seal as defined in any one of claims 1 to 4, wherein the connecting ring (2) is provided with a steel ball hole on the outer ring edge inside the inner ring (3), and the steel ball hole is provided with a steel ball (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875347.9U CN210372002U (en) | 2019-05-30 | 2019-05-30 | Three-in-one combined oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875347.9U CN210372002U (en) | 2019-05-30 | 2019-05-30 | Three-in-one combined oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372002U true CN210372002U (en) | 2020-04-21 |
Family
ID=70264567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875347.9U Active CN210372002U (en) | 2019-05-30 | 2019-05-30 | Three-in-one combined oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372002U (en) |
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2019
- 2019-05-30 CN CN201920875347.9U patent/CN210372002U/en active Active
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