CN201561037U - Elastic washer - Google Patents
Elastic washer Download PDFInfo
- Publication number
- CN201561037U CN201561037U CN2009202471403U CN200920247140U CN201561037U CN 201561037 U CN201561037 U CN 201561037U CN 2009202471403 U CN2009202471403 U CN 2009202471403U CN 200920247140 U CN200920247140 U CN 200920247140U CN 201561037 U CN201561037 U CN 201561037U
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- Prior art keywords
- elastic washer
- wearing layer
- base material
- elastic
- rubber
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Abstract
The utility model discloses an elastic washer which comprises a base material and a wear-resistant layer, wherein the base material is formed by elastomers; the wear-resistant layer is arranged on the surface of the base material and made of wear-resistant materials; and the wear-resistant layer is compounded on the surface of the base material by a combined machining technique.
Description
Technical field
The utility model relates to a kind of elastic washer, especially relates to a kind of elastic washer that is used for electronic product supports such as display device.
Background technique
Packing ring is widely used in the various electronic product supports, particularly in the support of display device as the device that relatively rotates location and slide relative location that makes between parts.
A kind of display pivot of the prior art, described display pivot have between each member, comprise between master bracket and display bracket, between master bracket or display bracket and elastic washer, and elastic washer and on-slip packing ring between, the gasket ring of each sheathed suitable thickness.Disclosed elastic washer adopts the single polymers elastic material to make in the technique scheme.The shortcoming of described scheme is for existing conventional polymer elastomer material, generally can not possess excellent abrasive and excellent elasticity simultaneously; Material with excellent abrasive, as polyurethane elastomer, wear resistance performance is very strong, but has bigger compression set, and the elasticity temperature influence is very big, not moisture-proof heat or the like shortcoming; Have excellent flexible material,, have very little compression set as with the vinylsiloxane rubber of organic peroxide as vulcanzing agent, in very wide temperature range elasticity change very little, advantage such as anti-environmental aging is strong, but wear resistance is very poor.
In addition, in above-mentioned elastic washer, its working surface is very smooth, uses the plane elasticity packing ring to rotate and during the damping friction location of sliding, has following problem:
Plane elastic body has difficult compressibility, and the size of frictional force is subjected to the influence of matching gap very big, and the matching gap that very small production technology fluctuation causes changes, and can cause the very big variation of frictional force, the bad assurance of product quality;
There is sticking effect in friction between smooth elastomer and the hard plane, promptly place a period of time after, initial frictional can be bigger, recovers subsequently normally, under especially softer elastomer and the higher temperature conditions.
In addition, in the prior art, also adopt the combination of a series of metal packing rings and spring.But compare with the polymer packing ring, described project components is numerous, complex structure, and processing difficulties, product cost are very high.
Summary of the invention
Given this, the purpose of this utility model is intended to solve at least one aspect of the above-mentioned problems in the prior art and defective.
Correspondingly, the purpose of this utility model is to provide a kind of elastic washer, comprising: base material, and described base material is made of elastomer; Wearing layer, described wearing layer is set to the surface of described base material, and it is made by wear-resisting material, and wherein said wearing layer is compound on the described surface of described base material by complex machining process.
Alternatively, described elastomer is made by a kind of or its combination in urethane rubber, organic silicon rubber, natural rubber, styrene butadiene rubber, butadiene rubber, nitrile butadiene rubber, polyisoprene rubber, ethylene propylene diene rubber, neoprene, lactoprene, hydrogenated nitrile-butadiene rubber, fluorine rubber, butyl rubber, fluorosioloxane rubber, styrene analog thermoplastic elastomer, olefin hydrocarbons thermoplasticity elastic body, diene analog thermoplastic elastomer, polyvinyl chloride-base thermoplastic elastomer, the ammonia ester analog thermoplastic elastomer.
Alternatively, described wearing layer is made by a kind of or its combination in polyurethane coating or rete, modified polyurethane coating or rete, natural rubber rete or the polyisoprene rubber film material.
Optionally, a kind of nano particle of or its combination in blending polyamide, polyimide, teflon or the polyetheretherketonematerials materials in the wherein said wearing layer.
Optionally, in the described wearing layer blending by polyamide, polyether-ether-ketone or polyurethane make abrasion resistant fibrous.
Preferably, state between base material and the described wearing layer and further be provided with the transition binder course.
Particularly, described transition binder course is made by one of silicone based coupling agent, titante coupling agent, acrylate adhesive, polyurethane binding, silicone based tackiness agent, modification acrylate class coating, modified polyurethane coating, modified organic silicon class coating.
In one embodiment, the outer surface of described wearing layer forms smooth flat.
In one embodiment, the outer surface of described wearing layer forms the plane with predetermined roughness.
In one embodiment, the outer surface of described wearing layer is formed with three-dimensional convex-concave structure.
Further, the surface that is set to the described surface opposite on it with described wearing layer of described base material is provided with locating slot.
In technique scheme, complex machining process comprises one of spraying coating process, pouring technology, pressing process, mould embedded component technology or double-shot moulding technology.
Particularly, described base material can process by one of moulding by casting, compression moulding or molding and forming.
Particularly, described 3-D in male structure is by any one acquisition in the following technology: spark discharge; Electroforming processing; Chemical etching; Mechanical engraving technology and mould-forming.
According on the other hand of the present utility model, it provides a kind of elastic washer, comprising: matrix, and described matrix is made of elastic material; And the lip-deep three-dimensional convex-concave structure that is formed at described matrix.
Alternatively, described three-dimensional convex-concave structure is a kind of or its combination in ring, radial, corrugated, taper, the salient point shape.
Alternatively, described elastic material is selected from a kind of or its combination in the following material: polyurethane, silicone rubber, natural rubber or polyisoprene rubber.
Further, the surface that is set to the described surface opposite on it with three-dimensional convex-concave structure of described elastic washer is provided with locating slot.
Particularly, described base material can process by one of moulding by casting, compression moulding or molding and forming.
At least one of employing the technical solution of the utility model not particular aspects can be brought following beneficial effect:
Adopt the polymer material complex machining process, the application that combines of the polymer material that will have an excellent resilience and the polymer material with superior abrasion resistance obtains taking into account the packing ring of elasticity and wear resistance;
Described polymer packing ring can have high elasticity simultaneously, low compression set, and the low stress slackness, extraordinary heat resistanceheat resistant, oxygen, light, moisture aging, elasticity is to temperature-insensitive, advantages such as extraordinary wear resistance performance;
The high abrasion resistance of described washer face in the working life of having improved packing ring greatly, has been avoided in fact, can causing scrapping of workpiece when abrasion are serious because the matching gap that abrasion produce increases the situation of the frictional force change that causes;
Described washer face is very coarse, or has the 3-D in male structure, can avoid the sticking effect between smooth elastomer and the hard plane surface;
Described washer face is very coarse, or has the 3-D in male structure, can provide less frictional force fluctuation under the bigger situation of matching gap fluctuation;
Described packing ring is beneficial to the volume production of factory, guarantees relative the stablizing of frictional force of product;
By structural design, can realize parts slide relative and relatively rotate;
Simple in structure, easy to manufacture, cost is very low.
The technical solution of the utility model has overcome the plane to the special sensitive issue of matching gap; Avoid elastic washer and contact surface to form vacuum simultaneously, thereby can not produce sticking effect.
Description of drawings
These and/or other aspect of the present utility model and advantage are from obviously and easily understanding below in conjunction with becoming the accompanying drawing description of preferred embodiments, wherein:
Fig. 1 is the elastic washer decomposing schematic representation that does not contain the transition binder course;
Fig. 2 is the elastic washer decomposing schematic representation that comprises the transition binder course;
Fig. 3 is the elastic washer schematic representation;
Fig. 4 is the elastic washer cut-away illustration;
Fig. 5 is elastic washer and working surface apparent surface's a locating slot schematic representation;
Fig. 6 is the elastic washer schematic representation with three-dimensional convexconcave surface;
Fig. 7 is the cut-away illustration with elastic washer of three-dimensional convexconcave surface;
Fig. 8 is the exploded view of the cooperation example of elastic washer;
Fig. 9 is that the cooperation example of elastic washer dissects exploded view;
Figure 10 is the cooperation example cut away view of elastic washer;
Figure 11 is the front schematic view at the described elastic washer of liquid crystal display applications;
Figure 12 is the schematic rear view at the described elastic washer of liquid crystal display applications;
Figure 13 is the side schematic view at the described elastic washer of liquid crystal display applications;
Figure 14 is that sliding structural scheme of mechanism is revolved at the described display device back side;
Figure 15 is that sliding mechanism decomposing schematic representation is revolved at the described display device back side;
Figure 16 is the schematic representation of convexconcave surface of the other form of elastic washer;
Figure 17 is the schematic representation of convexconcave surface of the other form of elastic washer;
Figure 18 is the cut away view with elastic washer of convexconcave surface;
Figure 19 uses described schematic representation with elastic washer of convexconcave surface in liquid crystal display panel;
Figure 20 is the decomposing schematic representation of Figure 19.
Embodiment
Further specify embodiment of the present utility model below in conjunction with embodiment.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to mode of execution of the present utility model is intended to present general inventive concept of the present utility model is made an explanation with reference to accompanying drawing, and not should be understood to a kind of restriction of the present utility model.
As Fig. 1, shown in the 3-5, according to preferred embodiment of the present utility model, elastic washer 1 is made of packing ring base material 2 and surface wear-resistant layer 3, packing ring base material 2 is made of elastomer, wearing layer 3 is set to the surface of packing ring base material 2, and wearing layer 3 made by wear-resisting material, and wearing layer 3 is compound on the described surface of base material 2 by complex machining process.
The raw material of the base material 2 of elastic washer 1 are chosen from the material that satisfies following condition: preferentially select high elasticity for use, low compression set, low creep, extraordinary heat resistanceheat resistant, oxygen, light, moisture aging, the temperature-resistant elastomer of elasticity is as with the vinylsiloxane rubber of organic peroxide as vulcanzing agent.Other alternative elastomer such as urethane rubber, organic silicon rubber, natural rubber; styrene butadiene rubber; butadiene rubber; nitrile butadiene rubber; polyisoprene rubber; ethylene propylene diene rubber; neoprene; Thiokol; epichlorohydrin rubber; lactoprene; hydrogenated nitrile-butadiene rubber; fluorine rubber; butyl rubber; fluorosioloxane rubber; styrene analog thermoplastic elastomer; olefin hydrocarbons thermoplasticity elastic body; diene analog thermoplastic elastomer; polyvinyl chloride-base thermoplastic elastomer; ammonia ester analog thermoplastic elastomer.
The surface wear-resistant layer 3 of elastic washer can preferentially be selected for use to have than high wear resistance, is difficult for being worn away, and can significantly improve the material of the wear resistance of packing ring.As polyurethane coating or rete, modified polyurethane coating or rete, natural rubber rete, polyisoprene rubber rete or the like; Can blending nanometer antiwear particle in wear resistant coating or the rete, nano particle as materials such as polyamide, polyimide, teflon, polyether-ether-ketones, but also blending by polyamide, polyether-ether-ketone, polyurethane etc. make abrasion resistant fibrous, further strengthen the performance of wearing layer whereby.
As shown in Figure 2, according to other preferred embodiment of the present utility model, between base material 2 and wearing layer 3, be provided with transition binder course 4.Transition binder course 4 can adopt as applying silicone based coupling agent, titante coupling agent, acrylate adhesive, polyurethane binding, silicone based tackiness agent, modification acrylate class coating, modified polyurethane coating, modified organic silicon class coating or the like, to strengthen the adhesive strength of base material and wearing layer.
As shown in Figure 3, according to elastic washer 1 of the present utility model, Fig. 4 shows the section of elastic washer, structure that can clearer performance elastic washer 1.
Preferably, the outer surface of wearing layer 3 forms smooth flat.According to additional embodiments, the outer surface of wearing layer 3 forms the plane with predetermined roughness.The predetermined value of this roughness is the appropriate value of requirement that depends on the application of elastic washer 1.
Fig. 5 shows the locating slot 5 of elastic washer 1, the surface that is set to the surface opposite on it with wearing layer 3 of base material 2 is provided with locating slot 5, and as shown in Figure 5, locating slot 5 is a plurality of, for example 3, it distributes with uniform angle of circumference and locating slot 5 radially extends.Because be provided with locating slot 5 when using elastic washer 1, locating slot 5 combines with the swinging mounting of for example display screen, when particularly needing rotary display screen, locating slot 5 helps the location of elastic washer.
Shown in Fig. 6-7, according to elastic washer 1 of the present utility model, the outer surface of wearing layer 3 has three-dimensional convex-concave structure.Convex-concave structure is one of ring, radial, corrugated, taper, salient point shape.Fig. 7 shows the cut away view of elastic washer.
According to the preferred embodiment of model utility, packing ring base material 2 can be finished by following processing technology: moulding by casting (vulcanized rubber), compression moulding (vulcanized rubber), molding and forming (thermoplastic elastomer).
The surface wear-resistant layer 3 of elastic washer 1 can be finished by following processing technology: spraying coating process-wear-resistant paint the is sprayed on elastic washer substrate surface of forming; Pouring technology-abrasion resistant fibrous layer, abrasion-proof particle, wear-resistant membrane material etc. are placed in the casting die, the performed polymer of cast elastic material, sulfidization molding; Pressing process-abrasion resistant fibrous layer, abrasion-proof particle, wear-resistant membrane material etc. are placed in the compacting tool set, the elastomer of putting into after mixing is suppressed sulfidization molding; The mould embedded component Shooting Technique-wear-resistant membrane material is placed in the injection mould, the injection heat thermoplastic elastic; Double-shot moulding technology-at first injection moulding elastomer substrates, injection surface wearing layer then.
Applicating example: shown in Fig. 8-15, show elastic washer 1 when cooperating and use schematic representation on the display bracket.Wherein display screen 9 is supported by display bracket 7, Display stem 11, display device support arm 12 and bottom bracket 10.As shown in Figure 7, the figure shows the exploded view of the cooperation example of elastic washer 1.As shown in figure 10, the figure shows the cut away view of the cooperation example of elastic washer 1, wherein elastic washer 1 combines with packing ring receiving means 6, by screw 8, with display bracket 7 and elastic washer and 6 connections of packing ring receiving means.
Figure 11 shows the front of the display device of using elastic washer 1.Figure 12 shows the back side of the display device of having used elastic washer 1.Figure 13 shows the display side of using elastic washer 1.As shown in figure 13, display screen 9 supports by display device support arm 12, display bracket 7, Display stem 11 and bottom bracket 10.
Figure 14 shows the display device back side and revolves sliding mechanism.Practical application shows that elastic washer 1 can help to realize that sliding up and down relatively with relative of liquid crystal display screen rotates a certain angle.
In order to further specify, Figure 15 shows the display device back side and revolves sliding mechanism exploded view.
Figure 16-18 shows the cut-away illustration of the schematic representation and the elastic washer of the elastic washer with other forms of convex-concave structure.
As shown in figure 16, a kind of elastic washer 1, this elastic washer comprises matrix 13, matrix is made of elastic material; And the lip-deep three-dimensional convex-concave structure that is formed at matrix 13.Selecting for use of the material of matrix 13 can be identical with selecting for use of previously described base material 2 materials.Three-dimensional convex-concave structure can be a kind of or its combination in ring, radial, corrugated, taper and the salient point shape.Figure 16 shows the situation that three-dimensional convex-concave structure is a salient point shape, and the three-dimensional convex-concave structure shown in Figure 17 is ring and the radial form that combines.
Figure 19-20 shows schematic representation and the decomposition view of using the non-planar surface elastic washer in liquid crystal display.As shown in figure 19, display screen 9 is supported by display device support arm 12, display bracket 7 and bottom bracket 10, elastic washer 1 be arranged on display device support arm 12 and shown in the joining portion of display bracket 7.Figure 20 shows the exploded view of Figure 19.
Though some embodiments of this present general inventive concept are shown and illustrate, those skilled in the art will appreciate that, under the situation of principle that does not deviate from this present general inventive concept and spirit, can make a change these embodiments, scope of the present utility model limits with claim and their equivalent.
Claims (8)
1. elastic washer is characterized in that described packing ring comprises:
Base material, described base material is made of elastomer;
Wearing layer, described wearing layer is set to the surface of described base material, and it is made by wear-resisting material,
Wherein said wearing layer is compound on the described surface of described base material by complex machining process.
2. elastic washer according to claim 1, wherein:
Further be provided with the transition binder course between described base material and the described wearing layer, to strengthen the adhesive strength of base material and wearing layer.
3. according to any one described elastic washer among the claim 1-2, wherein:
The outer surface of described wearing layer forms smooth flat.
4. according to any one described elastic washer among the claim 1-2, wherein:
The outer surface of described wearing layer forms the plane with predetermined roughness.
5. according to any one described elastic washer among the claim 1-2, wherein:
The outer surface of described wearing layer is formed with three-dimensional convex-concave structure.
6. elastic washer according to claim 1, wherein:
The surface that is set to the described surface opposite on it with described wearing layer of described base material is provided with locating slot.
7. elastic washer is characterized in that comprising:
Matrix, described matrix is made of elastic material; And
Be formed at the lip-deep three-dimensional convex-concave structure of described matrix.
8. elastic washer according to claim 7, wherein:
The surface that is set to the described surface opposite on it with three-dimensional convex-concave structure of described elastic washer is provided with locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202471403U CN201561037U (en) | 2009-11-17 | 2009-11-17 | Elastic washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202471403U CN201561037U (en) | 2009-11-17 | 2009-11-17 | Elastic washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561037U true CN201561037U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202471403U Expired - Fee Related CN201561037U (en) | 2009-11-17 | 2009-11-17 | Elastic washer |
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| Country | Link |
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| CN (1) | CN201561037U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541983A (en) * | 2013-10-25 | 2014-01-29 | 昆山邦琪盛电子材料有限公司 | Novel pressure foot gasket |
| CN104019232A (en) * | 2014-06-08 | 2014-09-03 | 彭常龙 | High-strength sealing piece |
| CN104676515A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Support arm skid-proof structure and lamp using support arm skid-proof structure |
-
2009
- 2009-11-17 CN CN2009202471403U patent/CN201561037U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541983A (en) * | 2013-10-25 | 2014-01-29 | 昆山邦琪盛电子材料有限公司 | Novel pressure foot gasket |
| CN104676515A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Support arm skid-proof structure and lamp using support arm skid-proof structure |
| CN104019232A (en) * | 2014-06-08 | 2014-09-03 | 彭常龙 | High-strength sealing piece |
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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: 20100825 Termination date: 20181117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |