CN205908745U - Prevent changeing dust -proof assembly - Google Patents
Prevent changeing dust -proof assembly Download PDFInfo
- Publication number
- CN205908745U CN205908745U CN201620471604.9U CN201620471604U CN205908745U CN 205908745 U CN205908745 U CN 205908745U CN 201620471604 U CN201620471604 U CN 201620471604U CN 205908745 U CN205908745 U CN 205908745U
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- lip
- sealing member
- utility
- main lip
- model
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Abstract
The utility model discloses a prevent changeing dust -proof assembly, the sealing member be the loop configuration, the sealing member include the main lip and vice lip who sets up along circumference, main lip including slick and sly district and flattened sections, slick and sly district's setting alternate with flattened sections be in the inboard of sealing member, vice lip setting be in the outside of sealing member, highly being higher than of main lip the height of vice lip. The utility model discloses a prevent changeing dust -proof assembly, shape characteristic through combining the flat structure piston rod has optimized prevent changeing dust -proof assembly to piston rod upset problem is solved to the cooperation piston rod.
Description
Technical field
This utility model is related to a kind of sealing member, particularly to a kind of anti-rotation dust seal.
Background technology
At present, the piston rod of conventional cylinder on market and hydraulic cylinder is all circular, but in some special occasions, than
As there being anti-rotation to require to the piston rod of cylinder and hydraulic cylinder, pneumatic clipper will require to preventing piston rod from rotating.General solution
That piston rod makes flat, or piston seal make all-in-one-piece square.
Content of the invention
This utility model provides a kind of anti-rotation dust seal, by the features of shape with reference to flat structure piston rod, excellent
Change anti-rotation dust seal and solve piston rod turning problem to coordinate.
The technical solution of the utility model is as follows:
A kind of anti-rotation dust seal, described sealing member is loop configuration, and described sealing member includes circumferentially arranged
Main lip and secondary lip, described main lip includes round and smooth area and flat zone, described round and smooth area and alternate the setting of flat zone
Put the inner side in described sealing member, described secondary lip is arranged on the outside of described sealing member, the height of described main lip
Degree is higher than the height of described secondary lip.
Preferably, it is circumferentially provided with depressed area along described sealing member between described main lip and described secondary lip.
Preferably, the outside of described secondary lip be a circular configuration, described circular configuration include first end face and
The lip of setting outside described circular configuration.
Preferably, the main lip described in described round and smooth area and flat zone composition is provided with second end face and ring-type is recessed
Fall into band, described annular recess band is arranged on the inner side of described main lip.
Preferably, the medial surface of described sealing member is circumferentially arranged several boss.
Compared with prior art, the beneficial effects of the utility model are as follows:
A kind of anti-rotation dust seal of the present utility model, by the features of shape with reference to flat structure piston rod, optimizes
Anti-rotation dust seal, to coordinate piston rod to solve piston rod turning problem.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Brief description
Fig. 1 is the top view of flat structure piston rod；
Fig. 2 is a kind of sectional view of anti-rotation dust seal of the present utility model；
Fig. 3 is a kind of top view of anti-rotation dust seal of the present utility model；
Fig. 4 is a kind of upward view of anti-rotation dust seal of the present utility model.
Specific embodiment
With reference to specific embodiment, this utility model is expanded on further.It should be understood that these embodiments are merely to illustrate
This utility model, rather than limit protection domain of the present utility model.Those skilled in the art are according to this in actual applications
Improvement and adjustment that utility model is made, still fall within protection domain of the present utility model.
In order to better illustrate this utility model, below with accompanying drawing, this utility model is described in detail.
Shown in Fig. 1 is the top view of flat structure piston rod, has cylinder and the hydraulic cylinder of anti-rotation requirement to piston rod, leads to
Often piston rod can be processed into flat, cylinder body processes squarely.
A kind of anti-rotation dust seal as shown in Figure 2, Figure 3 and Figure 4, described sealing member is loop configuration, described
Sealing member includes circumferentially arranged main lip 1 and secondary lip 2, and described main lip 1 includes round and smooth area 3 and flat zone 4, described
Round and smooth area 3 and the alternate inner side being arranged on described sealing member of flat zone 4, described secondary lip 2 be arranged on described in close
The outside of sealing, the height of described main lip 1 is higher than the height of described secondary lip 2.
A kind of anti-rotation dust seal of this utility model specific embodiment, including the round and smooth area 3 described in two and two
Described flat zone 4, and the alternate main lip 1 described in the composition of inner side being arranged on described sealing member respectively, described
Main lip 1 coordinates and seal the piston rod of flat structure so that piston rod realizes good anti-rotation, and described secondary lip 2 is used for
Seal guide sleeve groove.
It is circumferentially provided with depressed area 5 along described sealing member between described main lip 1 and described secondary lip 2, increase
Described depressed area 5 is easily installed and can extend the service life of described sealing member under high-speed working condition.
The outside of described secondary lip 2 is a circular configuration, and described circular configuration includes first end face 6 and described
The lip 7 of setting outside circular configuration, described lip 7 has seal guide sleeve groove.
It is provided with second end face 8 and annular recess on main lip 1 described in described round and smooth area 3 and flat zone 4 composition
Band 9, described annular recess band 9 is arranged on the inner side of described main lip 1, and described annular recess band 9 plays sealing piston
The effect of bar.
The medial surface of described sealing member is circumferentially uniformly provided with six boss 10, for increasing, piston rod is embraced
Clamp force, prevents from being swapped out.
This utility model preferred embodiment disclosed above is only intended to help illustrate this utility model.Preferred embodiment is simultaneously
There is no all of details of detailed descriptionthe, do not limit the specific embodiment that this utility model is only described yet.Obviously, according to this theory
The content of bright book, can make many modifications and variations.This specification is chosen and is specifically described these embodiments, is in order to preferably
Explain principle of the present utility model and practical application, so that skilled artisan can be best understood by and utilize this
Utility model.This utility model is only limited by claims and its four corner and equivalent.
Claims (4)
1. a kind of anti-rotation dust seal, described sealing member is loop configuration it is characterised in that described sealing member includes edge
Circumferentially disposed main lip and secondary lip, described main lip includes round and smooth area and flat zone, described round and smooth area and flat zone
The alternate inner side being arranged on described sealing member, described secondary lip be arranged on described in sealing member outside, described master
The height of lip is higher than the height of described secondary lip；
The medial surface of described sealing member is circumferentially arranged several boss.
2. a kind of anti-rotation dust seal according to claim 1 is it is characterised in that described main lip and described pair
It is circumferentially provided with depressed area along described sealing member between lip.
3. a kind of anti-rotation dust seal according to claim 1 is it is characterised in that the outside of described secondary lip is one
Circular configuration, described circular configuration includes first end face and the lip arranging outside described circular configuration.
4. a kind of anti-rotation dust seal according to claim 1 is it is characterised in that in described round and smooth area and flat zone
The described main lip of composition is provided with second end face and annular recess band, and described annular recess band is arranged on described main lip
The inner side of mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471604.9U CN205908745U (en) | 2016-05-20 | 2016-05-20 | Prevent changeing dust -proof assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471604.9U CN205908745U (en) | 2016-05-20 | 2016-05-20 | Prevent changeing dust -proof assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908745U true CN205908745U (en) | 2017-01-25 |
Family
ID=57815533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620471604.9U Active CN205908745U (en) | 2016-05-20 | 2016-05-20 | Prevent changeing dust -proof assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433494A (en) * | 2018-03-21 | 2020-07-17 | Nok株式会社 | Annular dust seal |
-
2016
- 2016-05-20 CN CN201620471604.9U patent/CN205908745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111433494A (en) * | 2018-03-21 | 2020-07-17 | Nok株式会社 | Annular dust seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 1, No. 373 Renqing Road, Pudong New Area, Shanghai, 200319 Patentee after: Shanghai Weiwan Sealing Technology Co., Ltd Address before: 200319, No. 1300, Lane 3, Cambridge East Road, Cambridge Town, Shanghai, Pudong New Area Patentee before: VONESEALS TECHNOLOGY (SHANGHAI) Co.,Ltd. |
|
| CP03 | Change of name, title or address |