CN212868430U - Oil seal for oil injector - Google Patents
Oil seal for oil injector Download PDFInfo
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- CN212868430U CN212868430U CN202021627511.3U CN202021627511U CN212868430U CN 212868430 U CN212868430 U CN 212868430U CN 202021627511 U CN202021627511 U CN 202021627511U CN 212868430 U CN212868430 U CN 212868430U
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Abstract
The utility model relates to an oil seal for oil sprayer, including skeleton and seal, the seal wraps up to outside the skeleton, the seal includes outer seal, interior seal and follower, connect through the follower between the outer seal and the interior seal, the follower is the "V" style of calligraphy of inversion; the framework comprises an outer framework and an inner framework, the outer framework is arranged in the outer sealing body, and the inner framework is arranged in the inner sealing body. Utility model's an usage is, on setting up the sprayer with the inner seal body cover, with the external seal body installation to engine bonnet cover, the follow-up body fall "V" style of calligraphy structure can extrude or tensile the great eccentricity of adaptation, make the centre of a circle of inner frame and exoskeleton be in different positions to adapt to the eccentric mounting with the engine bonnet of sprayer, reduce the wearing and tearing aggravation that leads to the fact because of the atress inequality of oil blanket inner wall, improve the life and the sealed effect of oil blanket.
Description
Technical Field
The utility model relates to a sealing member field, more specifically, the utility model relates to an oil blanket for oil spout ware.
Background
The oil seal is a mechanical element for sealing oil, and separates a part needing lubrication in a transmission part from a force-applying part, so that the lubricating oil is prevented from leaking.
In the use process of an oil seal at an engine oil sprayer, in order to ensure the sealing reliability, a rubber sealing body at the outer diameter of the oil seal is generally in interference sealing with an engine cover cap, and a main lip is in interference sealing with the oil sprayer.
Therefore, an oil seal for an oil injector is needed, which can be used under the condition of large eccentricity.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at solve the unable problem that adapts to the condition use at great eccentricity of current oil blanket.
According to one aspect of the utility model, the oil seal for the oil injector is provided, which comprises a framework and a sealing body, wherein the sealing body is wrapped outside the framework, the sealing body comprises an outer sealing body, an inner sealing body and a follow-up body, the outer sealing body is connected with the inner sealing body through the follow-up body, and the follow-up body is in an inverted V shape; the framework comprises an outer framework and an inner framework, the outer framework is arranged in the outer sealing body, and the inner framework is arranged in the inner sealing body.
Through this scheme, set up the sprayer with the inner seal cover on, install the external seal body to the engine bonnet lid, the follow-up body fall "V" style of calligraphy structure can extrude or tensile the great eccentricity of adaptation, make the centre of a circle of inner frame and exoskeleton be in different positions to adapt to the eccentric mounting with the engine bonnet of sprayer, reduce the wearing and tearing aggravation that leads to the fact because of the atress inequality of oil blanket inner wall, improve the life and the sealed effect of oil blanket.
Preferably, one surface of the outer sealing body, which is far away from the inner sealing body, is provided with an outer sealing lip, and the outer sealing lip is sealed with the engine hood in an interference fit manner.
Through this scheme, improve the sealed effect between external seal body and the engine bonnet to guarantee that the exoskeleton can be fixed external seal body extrusion to the engine bonnet on.
Preferably, one surface of the inner sealing body, which is far away from the outer sealing body, is provided with an inner sealing lip, and the inner sealing lip is in interference fit sealing with the fuel injector.
By the scheme, the sealing effect between the inner sealing body and the oil injector is improved; and the inner framework is ensured to clamp the inner sealing body to the oil injector.
Preferably, the inner sealing lip comprises a plurality of lips which are arranged in parallel, and the lips are sealed with the fuel injector in an interference fit manner.
Through the scheme, the sealing effect between the inner sealing body and the oil sprayer is further improved, and the movable part of the oil sprayer is allowed to normally operate.
Preferably, the follower body, the outer sealing body and the inner sealing body are all of an integrally molded structure.
Through this scheme, seal and follow-up body integrated into one piece vulcanize the shaping to the skeleton on, not only make things convenient for the production preparation of oil blanket, can improve the leakproofness of oil blanket moreover and the stability when using.
Preferably, a dust lip is arranged on the inner sealing body above the inner sealing lip.
Through this scheme, improve the dustproof effect of this device.
The utility model discloses a technological effect lies in, this device simple structure can adapt to great eccentric quantity to the sealed of sprayer department has been adapted to, has improved the sealed effect of sprayer department greatly and can improve the life of sprayer department oil blanket greatly.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a partial schematic structural view of an oil seal for an oil injector according to a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure view of the oil seal for an oil injector of fig. 1.
Fig. 3 is a schematic cross-sectional structure view of a fuel injector oil seal according to a second embodiment of the present invention.
Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Example one
As shown in fig. 1 and 2, the oil seal for an oil injector in this embodiment includes a framework 1200 and a sealing body, the sealing body is wrapped outside the framework 1200, the sealing body includes an outer sealing body 1110, an inner sealing body 1120, and a follower body 1130, the outer sealing body 1110 and the inner sealing body 1120 are connected by the follower body 1130, and the follower body 1130 is in an inverted "V" shape; the frame 1200 includes an outer frame 1210 and an inner frame 1220, the outer frame 1210 is disposed in the outer sealing body 1110, and the inner frame 1220 is disposed in the inner sealing body 1120.
Through this scheme of this embodiment, set up the inner seal body 1120 cover on the sprayer, install outer seal body 1110 to the engine bonnet on, the body 1130 of follow-up "V" style of calligraphy structure can extrude or stretch in order to adapt to great eccentricity, make the centre of a circle of inner frame 1220 and outer skeleton 1210 be in different positions, thereby adapt to the eccentric mounting with the engine bonnet of sprayer, reduce the wearing and tearing aggravation that causes because of the atress inequality of oil blanket inner wall, improve the life and the sealed effect of oil blanket.
In this embodiment or other embodiments, an outer sealing lip 1111 is disposed on a surface of the outer sealing body 1110 away from the inner sealing body 1120, and the outer sealing lip 1111 is sealed by interference fit with the engine cover, so that the sealing effect between the outer sealing body 1110 and the engine cover is improved, and the outer framework 1210 is ensured to be capable of pressing and fixing the outer sealing body 1110 to the engine cover.
In this embodiment or other embodiments, an inner sealing lip 1140 is disposed on a surface of the inner sealing body 1120, which is away from the outer sealing body 1110, and the inner sealing lip 1140 is sealed in an interference fit with the fuel injector, so as to improve a sealing effect between the inner sealing body 1120 and the fuel injector; and ensures that the inner skeleton 1220 clamps the inner seal 1120 to the fuel injector.
In this embodiment or other embodiments, the inner sealing lip 1140 includes a plurality of lips 1141 arranged in parallel, and the lips 1141 are sealed with the fuel injector in an interference fit manner, so as to further improve the sealing effect between the inner sealing body 1120 and the fuel injector and allow the movable parts of the fuel injector to operate normally.
In this embodiment or other embodiments, the follower 1130, the outer sealing body 1110 and the inner sealing body 1120 are integrally molded. The seal and the follow-up body 1130 are integrally vulcanized and formed on the framework 1200, so that the production and the manufacture of the oil seal are facilitated, and the sealing performance and the use stability of the oil seal can be improved.
The technical effect of this embodiment lies in, this device simple structure can adapt to great eccentric quantity to the sealed of sprayer department has been adapted to, the sealed effect of sprayer department has been improved greatly and the life that can improve sprayer department oil blanket greatly.
Example two
As shown in fig. 3, in the oil seal for an oil injector in the present embodiment, in addition to the technical solution in the above embodiment, a dust lip 1142 is provided on the inner seal body 1120 above the inner seal lip 1140.
Through this scheme of this embodiment, this dust lip 1142 extends towards the medial surface slope of oil blanket, wraps up to the epaxial of sprayer, improves the dustproof effect of this device, avoids the dust to enter into between interior seal 1120 and the sprayer to the problem of the frictional force grow that arouses helps further improving the life of this oil blanket.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (6)
1. The oil seal for the oil injector comprises a framework and a sealing body, wherein the sealing body wraps the framework, and is characterized in that the sealing body comprises an outer sealing body, an inner sealing body and a follow-up body, the outer sealing body is connected with the inner sealing body through the follow-up body, and the follow-up body is in an inverted V shape; the framework comprises an outer framework and an inner framework, the outer framework is arranged in the outer sealing body, and the inner framework is arranged in the inner sealing body.
2. The oil seal for the oil injector as claimed in claim 1, wherein one surface of the outer sealing body, which is far away from the inner sealing body, is provided with an outer sealing lip, and the outer sealing lip is in interference fit with an engine cover for sealing.
3. The oil seal for the oil injector as claimed in claim 2, wherein an inner sealing lip is arranged on one surface of the inner sealing body, which is far away from the outer sealing body, and the inner sealing lip is in interference fit sealing with the oil injector.
4. The oil seal for an oil injector as defined in claim 3, wherein the inner sealing lip comprises a plurality of lips arranged in parallel, and the lips are sealed with the oil injector in an interference fit manner.
5. The oil seal for an oil injector as claimed in claim 4, wherein the follower body, the outer seal body and the inner seal body are all of an integrally molded structure.
6. The oil seal for an oil injector as claimed in claim 5, wherein a dust lip is provided on said inner seal body above said inner seal lip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627511.3U CN212868430U (en) | 2020-08-06 | 2020-08-06 | Oil seal for oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021627511.3U CN212868430U (en) | 2020-08-06 | 2020-08-06 | Oil seal for oil injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868430U true CN212868430U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021627511.3U Active CN212868430U (en) | 2020-08-06 | 2020-08-06 | Oil seal for oil injector |
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| CN (1) | CN212868430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236780A (en) * | 2021-06-04 | 2021-08-10 | 一汽解放汽车有限公司 | Engine fuel injector sealing structure |
-
2020
- 2020-08-06 CN CN202021627511.3U patent/CN212868430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236780A (en) * | 2021-06-04 | 2021-08-10 | 一汽解放汽车有限公司 | Engine fuel injector sealing structure |
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