CN209164552U - A kind of sealing bolt structure preventing gearbox oil leak - Google Patents
A kind of sealing bolt structure preventing gearbox oil leak Download PDFInfo
- Publication number
- CN209164552U CN209164552U CN201821258726.5U CN201821258726U CN209164552U CN 209164552 U CN209164552 U CN 209164552U CN 201821258726 U CN201821258726 U CN 201821258726U CN 209164552 U CN209164552 U CN 209164552U
- Authority
- CN
- China
- Prior art keywords
- oilhole
- bolt
- sealing ring
- sealing
- gear box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of sealing bolt structures for preventing gearbox oil leak, including the oilhole being arranged on gear box casing, bolt is installed in the oilhole, the bolt has threaded shank and nut head, the threaded shank screw thread is rotatably connected in the oilhole and then blocks oilhole, the flange face on the nut head is equipped with the sealing ring of at least one protrusion, the sealing ring abutting presses gear box casing surface, make surface of shell and generates plastic deformation, so that sealing ring and surface of shell form uneven meshing state, and then sealing of the realization to oilhole.The sealing ring and gear box casing of the utility model squeeze to form static seal, and total is simple, and design is reasonable, simple process, it is easy to accomplish, it is convenient to mount and dismount, it is cheap, the operating condition for needing bolt seal can be applied to.
Description
Technical field
The utility model relates to gearbox oilhole technical field of sealing technology more particularly to a kind of sealings for preventing gearbox oil leak
Bolt arrangement.
Background technique
Bolt is to be made of as the most common fastener of gearbox head and screw rod two parts.Screw rod is cylindrical,
Upper can arrange in pairs or groups with internal screw thread with external screw thread uses.It is known that gearbox is that automobile can not lack in automobile production field
A part, the bolt and gear box casing threaded hole of gear box casing are used in conjunction with, for being fastenedly connected two parts.Bolt is pressed
Head shape can be divided into hexagon-headed bolt, Allen bolt, ball screw nut etc..
Wherein, the tank filler sleeve of gearbox and drain oil are blocked to prevent outflow of lubrication oil, usually having placed lubricating oil needs
It is blocked using bolt and places oilhole, while needing to increase gasket seal to prevent from leaking, or design on bolt flange face
One of groove is simultaneously embedded with sealing ring.
And sealing element generallys use metal material or nonmetallic materials, the metal material of use has aluminium, copper etc., use
The metal materials such as nonmetallic materials such as rubber, asbestos, and use metal material composition sealing element to exist during installation and scratch, to flat
Face requires the problems such as high, and uses nonmetallic materials that there are agings is poor, the service life is short, is affected by temperature the problems such as big.
Utility model content
In order to solve the above shortcomings in the prior art, the utility model provides a kind of sealing spiral shells for preventing gearbox oil leak
Stud structure.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme: a kind of to prevent gearbox oil leak
Sealing bolt structure is equipped with bolt including the oilhole being arranged on gear box casing in the oilhole, the bolt has spiral shell
Bar portion and nut head, the threaded shank screw thread are rotatably connected in the oilhole and then block oilhole, it is characterised in that: the nut
The flange face on head is equipped with the sealing ring of at least one protrusion, and the sealing ring abutting presses gear box casing surface, makes
Surface of shell simultaneously generates plastic deformation, so that sealing ring and surface of shell form uneven meshing state, Jin Ershi
Now to the sealing of oilhole.
Further, the flange face on the nut head is equipped with the sealing ring of twice protrusion.
Further, the nut head has with interior hexagonal groove.
Wherein, the designing points of the utility model are to change the single plane structure of original bolt head flange face,
The flange face on nut head is equipped with the sealing ring of the ring-like protrusion of twice, is in plane by the planar design of bolt head flange face
Increase the ring-like bulge-structure of twice.Since the aluminum material elastic deformation of gear box casing is bigger than bolt steel, may be regarded as
A kind of soft metal, in this way when the stud portion of sealing bolt is tightened by applying certain installation torque, the two of bolt flange face
The sealing ring of the ring-like protrusion in road will squeeze surface of shell and generate plastic deformation, form uneven structure, realize end face seal.
Compared with prior art, the utility model comes with sealing structure, and the flange face on nut head is equipped with bipassage ring
The sealing ring of type protrusion, sealing ring and gear box casing squeeze to form static seal, and total is simple, and rationally, technique is simple for design
It is single, it is easy to accomplish, it is convenient to mount and dismount, it is cheap, the operating condition for needing bolt seal can be applied to.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model proposes the sealing bolt structure for preventing gearbox oil leak, including be arranged in speed change
Oilhole 101 on tank shell 1, bolt 2 is equipped in oilhole 101, and bolt 2 has threaded shank 201 and nut head 202, screw rod
201 screw thread of portion is rotatably connected in oilhole 101 and then blocks oilhole, it is characterised in that: the flange face on nut head 202 is equipped at least
The sealing ring 203 of protrusion together, the abutting of sealing ring 203 press 1 surface of gear box casing, make surface of shell and generate plasticity change
Shape so that sealing ring and surface of shell form uneven meshing state, and then realizes the sealing to oilhole.Nut head
The flange face in portion 202 is equipped with the sealing ring 203 of twice protrusion.Nut head 202 has with interior hexagonal groove 204.
When specific installation, the 202 inner flange face of nut head of bolt is equipped with the ring-like protrusion of twice that twice surround threaded shank
Sealing ring 203, tightened using interior hexagonal groove of the spanner to bolt and apply certain mounting torque, bolt inner flange
Two sealing rings in face will squeeze shell and generate plastic deformation, form uneven structure, realize end face seal.
Above-described embodiment only expresses the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
It cannot be therefore understands that for a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the utility model patent and protection scope should be subject to the appended claims.
Claims (3)
1. a kind of sealing bolt structure for preventing gearbox oil leak, the oilhole (101) including setting on gear box casing (1),
It is equipped with bolt (2) in the oilhole (101), the bolt (2) has threaded shank (201) and nut head (202), the spiral shell
Bar portion (201) screw thread is rotatably connected in the oilhole (101) and then blocks oilhole, it is characterised in that: the nut head (202)
Flange face is equipped with the sealing ring (203) of at least one protrusion, and the sealing ring (203) is close to press gear box casing (1)
Surface, so that sealing ring and surface of shell form sealing of the uneven meshing state realization to oilhole.
2. preventing the sealing bolt structure of gearbox oil leak as described in claim 1, it is characterised in that: the nut head
(202) flange face is equipped with the sealing ring (203) of twice protrusion.
3. preventing the sealing bolt structure of gearbox oil leak as described in claim 1, it is characterised in that: the nut head
(202) have with interior hexagonal groove (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821258726.5U CN209164552U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing bolt structure preventing gearbox oil leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821258726.5U CN209164552U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing bolt structure preventing gearbox oil leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164552U true CN209164552U (en) | 2019-07-26 |
Family
ID=67329387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821258726.5U Expired - Fee Related CN209164552U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing bolt structure preventing gearbox oil leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076059A (en) * | 2020-08-11 | 2022-02-22 | Seg汽车德国有限公司 | Starter for internal combustion engine and method for manufacturing same |
-
2018
- 2018-08-06 CN CN201821258726.5U patent/CN209164552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076059A (en) * | 2020-08-11 | 2022-02-22 | Seg汽车德国有限公司 | Starter for internal combustion engine and method for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 169, Meilin street, economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee after: Magna powertrain (Jiangxi) Co.,Ltd. Address before: 330013 No.169, Meilin street, Nanchang Economic and Technological Development Zone, Jiangxi Province Patentee before: GETRAG (JIANGXI) TRANSMISSION Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20210806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |