CN204437286U - Framework dustproof loop - Google Patents
Framework dustproof loop Download PDFInfo
- Publication number
- CN204437286U CN204437286U CN201420851680.3U CN201420851680U CN204437286U CN 204437286 U CN204437286 U CN 204437286U CN 201420851680 U CN201420851680 U CN 201420851680U CN 204437286 U CN204437286 U CN 204437286U
- Authority
- CN
- China
- Prior art keywords
- skeleton
- excluder lips
- dust excluder
- dust
- lip
- 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
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The utility model relates to a kind of Sealing, especially a kind of framework dustproof loop.Comprise the skeleton exposed and the dust excluder lips being arranged on skeletal internal, described skeleton comprises skeleton vertical edge and skeleton horizontal edge, skeleton vertical edge is connected with skeleton horizontal edge, outer concealed framework 1 is L-shaped, one end of skeleton horizontal edge is arranged in dust excluder lips, wherein, described dust excluder lips comprises and the dust excluder lips I of end face interference fit and the dust excluder lips II with running shaft interference fit, wherein the lip of dust excluder lips I is parallel with skeleton horizontal edge, the lip of dust excluder lips II is parallel with skeleton vertical edge, and the lip of dust excluder lips I is higher than the top margin 3-7mm of skeleton vertical edge.It has, and good resistance to pressure, oil resistant are capable, the performance of resistant to many medium, improve sealability and the working life of dust ring.
Description
Technical field
The utility model relates to a kind of Sealing, especially a kind of framework dustproof loop.
Background technique
At present, the frictional force that the inner ring of existing dust ring is in contact with it between face is large, and when dust ring pressurized, this surface of contact can produce distortion, is out of shape, occurs gap etc., thus causes leakage, greatly reduces the sealing effect of dust ring.
Model utility content
The purpose of this utility model is the above-mentioned defect overcoming the existence of existing dust ring, and propose a kind of novel framework dustproof loop, it has, and good resistance to pressure, oil resistant are capable, the performance of resistant to many medium, improve sealability and the working life of dust ring.
The utility model adopts following technological scheme to realize: a kind of framework dustproof loop, comprise the skeleton exposed and the dust excluder lips being arranged on skeletal internal, described skeleton comprises skeleton vertical edge and skeleton horizontal edge, skeleton vertical edge is connected with skeleton horizontal edge, outer concealed framework 1 is L-shaped, one end of skeleton horizontal edge is arranged in dust excluder lips, wherein, described dust excluder lips comprises and the dust excluder lips I of end face interference fit and the dust excluder lips II with running shaft interference fit, wherein the lip of dust excluder lips I is parallel with skeleton horizontal edge, the lip of dust excluder lips II is parallel with skeleton vertical edge, the lip of dust excluder lips I is higher than the top margin 3-7mm of skeleton vertical edge.
In the utility model, described polyurethane dust excluder lips is pasted onto on skeleton.
The beneficial effects of the utility model are:
(1) good dust blowing effect, even also has for the dust of secure bond and good strikes off effect;
(2) axial height installing cavity is low, and dust ring lip can not stretch out;
(3) cavity axially open, be easy to processing, friction durability is long, and installation and removal are simple, has the function of preserving with reverse defeated time remaining fluid, can reduce frictional force;
(4) add butter to the sliding bearing of pivot pin very convenient, lip just can open under the action of the underpressure, and outmoded butter also can overflow;
In sum, this dust ring has that good resistance to pressure, oil resistant are capable, the performance of resistant to many medium, improves sealability and the working life of dust ring.
Accompanying drawing explanation
Fig. 1 is half sectional view of the present utility model;
Fig. 2 is assembly structure schematic diagram of the present utility model.
In figure: 1 skeleton; 2 dust excluder lips I; 3 dust excluder lips II; 4 skeleton vertical edges; 5 skeleton horizontal edges.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, described framework dustproof loop comprises the skeleton 1 exposed and the dust excluder lips be made up of polyurethane be arranged on inside skeleton, described skeleton 1 comprises skeleton vertical edge 4 and skeleton horizontal edge 5, skeleton vertical edge 4 is connected with skeleton horizontal edge 5, thus making outer concealed framework 1 L-shaped, one end of skeleton horizontal edge is arranged in dust excluder lips.Described dust excluder lips comprises dust excluder lips I 2 and dust excluder lips II 3, and wherein the lip of dust excluder lips I 2 is parallel with skeleton horizontal edge 5, and the lip of dust excluder lips II 3 is parallel with skeleton vertical edge 4.Wherein, the lip of dust excluder lips I 2 is higher than the top margin 3-7mm of skeleton vertical edge, and this dust excluder lips has the effect of dust blowing.Be wherein interference fit between dust excluder lips I 2 and the end face of device, dust excluder lips II 3 and running shaft are interference fit.Described dust excluder lips is made up of polyurethane, and polyurethane dust excluder lips is pasted onto on skeleton 1.
When this dust ring is installed, its dust excluder lips I 2 is concordant with skeleton 1 to be arranged in cavity.And the mode of press fit is firmly in place in cavity, can not rotate with the axis.
This dust excluder lips can enter the unidirectional dust ring of oil hydraulic cylinder as preventing pollution thing, also can as pivot pin device for preventing foul from invading and protecting slide member from the Sealing of wearing and tearing.
Claims (2)
1. a framework dustproof loop, comprise the skeleton (1) exposed and the dust excluder lips being arranged on skeletal internal, described skeleton (1) comprises skeleton vertical edge (4) and skeleton horizontal edge (5), skeleton vertical edge (4) is connected with skeleton horizontal edge (5), outer concealed framework (1) is L-shaped, one end of skeleton horizontal edge (5) is arranged in dust excluder lips, it is characterized in that: described dust excluder lips comprises and the dust excluder lips I (2) of end face interference fit and the dust excluder lips II (3) with running shaft interference fit, wherein the lip of dust excluder lips I (2) is parallel with skeleton horizontal edge (5), the lip of dust excluder lips II (3) is parallel with skeleton vertical edge (4), the lip of dust excluder lips I (2) is higher than the top margin 3-7mm of skeleton vertical edge.
2. framework dustproof loop according to claim 1, is characterized in that: described dust excluder lips is pasted onto on skeleton (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851680.3U CN204437286U (en) | 2014-12-27 | 2014-12-27 | Framework dustproof loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420851680.3U CN204437286U (en) | 2014-12-27 | 2014-12-27 | Framework dustproof loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437286U true CN204437286U (en) | 2015-07-01 |
Family
ID=53605155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420851680.3U Expired - Fee Related CN204437286U (en) | 2014-12-27 | 2014-12-27 | Framework dustproof loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437286U (en) |
-
2014
- 2014-12-27 CN CN201420851680.3U patent/CN204437286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |