CN103195796A - Rotation shaft - Google Patents
Rotation shaft Download PDFInfo
- Publication number
- CN103195796A CN103195796A CN2012100010080A CN201210001008A CN103195796A CN 103195796 A CN103195796 A CN 103195796A CN 2012100010080 A CN2012100010080 A CN 2012100010080A CN 201210001008 A CN201210001008 A CN 201210001008A CN 103195796 A CN103195796 A CN 103195796A
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- Prior art keywords
- hole
- main body
- axis
- rotating shaft
- rotation shaft
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Abstract
The invention relates to a rotation shaft comprising a main body which is manufactured by using a material with good elastic deformation. The main body is provided with a first through hole. The first through hole is provided with a positioning recess on a radial direction. The main rotation shaft also comprises a middle shaft which is manufactured by using a material with good elastic deformation. The middle shaft is provided with a positioning protrusion on a radial direction. The middle shaft penetrates through the first through hole of the main body. With the rotation shaft, on a basis that all functions of a metal rotation shaft are satisfied, product structure is greatly simplified. A part number is reduced from 10-15 of an original metal rotation shaft to current 2-3, such that manufacturing cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of rotating shaft.
Background technique
Rotating shaft be that link product zero main part must be used, be used for the axle that rotation work not only born moment of flexure but also born moment of torsion and be called rotating shaft.Common rotating shaft has: handset shaft (renovating or the rotary screen mobile phone); Notebook computer rotation shaft; The portable DVD player rotating shaft; The rotating shaft of LED desk lamp; The LCD display rotating shaft; Vehicle-mounted rack shaft such as GPS etc.
The tradition rotating shaft is made by metallic material usually, though metal hardness height, deformability poor (can't restore after the distortion), shock resistance is poor, anti-fatigue performance is poor, therefore causes adhesive wear, abrasive wear, fatigue wear, fretting wear etc. easily.The wearing and tearing of most axle class are difficult for discovering, and only occur machine high temperature, during situation such as the amplitude of beating is big, abnormal sound, just can cause and discover, but when realizing to people, most of transmission shaft all weares and teares.
In addition, traditional rotating shaft is that parts such as hardware stamping spare or metal ceramic+metal spring are assembled.Can rotation angle, and can produce corresponding elastic force.But, the metal rotating shaft complex manufacturing technology, part is formed various, approximately is made up of 15 parts, causes accumulated tolerance big, and conformity is poor, and its manufacture cost is 5～10 times of plastic cement rotating shaft.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of only to be made up of 2～3 parts, simple in structure, the no spring rotating shaft that cost is low, and concrete scheme of the present invention is as follows:
A kind of rotating shaft comprises: main body, and described main body is made by the good material of elastic strain, and described main body is provided with first through hole, and described first through hole is provided with the positioning groove that the footpath makes progress; Axis, described axis is made by the good material of elastic strain, and described axis is provided with the positioning convex that the footpath makes progress, and described axis is interspersed in first through hole of described main body.
Preferably, described axis is provided with annular protrusion.
Preferably, be provided with lubricating grease between described main body and the described axis.
Preferably, the threading hole on described axis is provided with axially.
Preferably, described main body is provided with second through hole, and described second through hole is vertical with described first through hole, and described second through hole is identical with described first through-hole structure; Also comprise the limit axle, described limit axle is made by the good material of elastic strain, described limit axle with described in axle construction identical, described limit axle intert with described second through hole in.
Preferably, be provided with lubricating grease between described main body and the described limit axle.
Rotating shaft provided by the invention under the prerequisite of all functions that satisfy metal rotating shaft, is simplified product structure significantly, and number of spare parts reduces to present 2～3 by 10～15 of original metal rotating shaft, and manufacture cost is reduced significantly.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper restriction of the present invention, in the accompanying drawings:
Fig. 1 is embodiment of the invention assembling schematic representation;
Fig. 2 is embodiment of the invention structural representation.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
Embodiment
As Fig. 1～shown in Figure 2, main body 10 is made by the good material of elastic strain, present embodiment adopts high strength, high wear-resistant POM engineering plastics material, main body 10 is provided with first through hole 101, first through hole 101 is provided with the positioning groove 111 that the footpath makes progress, and positioning groove 111 is handled through removing rib, also is provided with the hole slot that is connected for other parts on main body 10;
In above-described embodiment scheme, need counterrotating two parts to be connected with main body 10, axis 20 respectively, axis 20 inserts in first through hole 101 of main body 10, when the positioning convex 211 of axis 20 overlaps with positioning groove 111 positions of main body 10, main body 10 holds the two position relative fixed mutually with axis 20; When main body 10 or axis 20 are applied torsion, because the elastic deformation characteristics of main body 10 and axis 20 self, positioning groove 111 overcomes resistance generation relative movement with positioning convex 211, relative rotation takes place with axis 20 in main body 10, when positioning convex 211 rotation when closing on next positioning groove 111 positions, positioning convex 211 1 sides are subjected to the pressure of autonomous agent 10, opposite side then is positioned at positioning groove 111 vacant not stressing, therefore the resultant direction that this moment, positioning convex 211 was subjected to is identical with sense of rotation, further reduced applying of required driving force, made positioning convex 211 spring into positioning groove 111 positions automatically.
Improvement as above-described embodiment scheme, axis 20 is provided with annular protrusion 220, present embodiment adopts and is processed into arrowhead form at axis 20 leading portions, so after axis 20 front ends pass first through hole 101 of main body 10 by force, can prevent that axis 20 from withdrawing from from first through hole 101.Perhaps further at first through hole 101 annular groove is set, when the annular protrusion 220 of axis 20 overlaps with the annular groove of first through hole 101, can prevents that also axis 20 from withdrawing from from first through hole 101.
As the improvement of above-described embodiment scheme, between main body 10 and axis 20, be coated with lubricating grease, feel is good when making the rotating shaft rotation, and reduces rotation friction and improve the rotating shaft life-span.
As the improvement of above-described embodiment scheme, the threading hole 230 on axis 20 is provided with axially, make datawire, power line etc. can with the coaxial rotation of rotating shaft.
As the improvement of above-described embodiment scheme, it is vertical with first through hole 101 that main body 10 is provided with second through hole, 102, the second through holes 102, and second through hole 102 is identical with described first through hole, 101 structures; Also comprise limit axle 30, limit axle 30 is made by the good material of elastic strain, and limit axle 30 is identical with axis 20 structures, limit axle 30 intert with second through hole 102 in.
As the improvement of above-described embodiment scheme, between main body 10 and limit axle 30, be coated with lubricating grease, feel is good when making 30 rotations of limit axle, and reduces rotation friction and improve the rotating shaft life-span.
More than technological scheme that the embodiment of the invention is provided be described in detail, used specific case herein principle and the mode of execution of the embodiment of the invention are set forth, above embodiment's explanation only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and application area, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. rotating shaft is characterized in that comprising:
Main body, described main body is made by the good material of elastic strain, and described main body is provided with first through hole, and described first through hole is provided with the positioning groove that the footpath makes progress;
Axis, described axis is made by the good material of elastic strain, and described axis is provided with the positioning convex that the footpath makes progress, and described axis is interspersed in first through hole of described main body.
2. rotating shaft as claimed in claim 1 is characterized in that:
Described axis is provided with annular protrusion.
3. rotating shaft as claimed in claim 1 is characterized in that:
Be provided with lubricating grease between described main body and the described axis.
4. rotating shaft as claimed in claim 1 is characterized in that:
Threading hole on described axis is provided with axially.
5. as any described rotating shaft of claim 1～4, it is characterized in that:
Described main body is provided with second through hole, and described second through hole is vertical with described first through hole, and described second through hole is identical with described first through-hole structure;
Also comprise the limit axle, described limit axle is made by the good material of elastic strain, described limit axle with described in axle construction identical, described limit axle intert with described second through hole in.
6. rotating shaft as claimed in claim 5 is characterized in that:
Be provided with lubricating grease between described main body and the described limit axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100010080A CN103195796A (en) | 2012-01-04 | 2012-01-04 | Rotation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100010080A CN103195796A (en) | 2012-01-04 | 2012-01-04 | Rotation shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103195796A true CN103195796A (en) | 2013-07-10 |
Family
ID=48718534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100010080A Pending CN103195796A (en) | 2012-01-04 | 2012-01-04 | Rotation shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195796A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI696766B (en) * | 2019-04-03 | 2020-06-21 | 啓碁科技股份有限公司 | Electronic device and pivot structure thereof |
| CN113577741A (en) * | 2021-06-21 | 2021-11-02 | 陕西科技大学 | Detachable single indoor training pole of taekwondo |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591318Y (en) * | 2002-11-22 | 2003-12-10 | 张文宝 | Anti-falling off pivot structure |
| CN1971074A (en) * | 2005-11-25 | 2007-05-30 | 深圳富泰宏精密工业有限公司 | Multi-stage rotation shaft structure |
| CN200941182Y (en) * | 2006-08-17 | 2007-08-29 | 番禺得意精密电子工业有限公司 | Retainer |
| CN201810651U (en) * | 2009-11-03 | 2011-04-27 | 何建龙 | Self-elasticity rotating shaft |
-
2012
- 2012-01-04 CN CN2012100010080A patent/CN103195796A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591318Y (en) * | 2002-11-22 | 2003-12-10 | 张文宝 | Anti-falling off pivot structure |
| CN1971074A (en) * | 2005-11-25 | 2007-05-30 | 深圳富泰宏精密工业有限公司 | Multi-stage rotation shaft structure |
| CN200941182Y (en) * | 2006-08-17 | 2007-08-29 | 番禺得意精密电子工业有限公司 | Retainer |
| CN201810651U (en) * | 2009-11-03 | 2011-04-27 | 何建龙 | Self-elasticity rotating shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI696766B (en) * | 2019-04-03 | 2020-06-21 | 啓碁科技股份有限公司 | Electronic device and pivot structure thereof |
| CN113577741A (en) * | 2021-06-21 | 2021-11-02 | 陕西科技大学 | Detachable single indoor training pole of taekwondo |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130710 |