CN103195796A - Rotation shaft - Google Patents

Rotation shaft Download PDF

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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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CN
China
Prior art keywords
hole
main body
axis
rotating shaft
rotation shaft
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.)
Pending
Application number
CN2012100010080A
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Chinese (zh)
Inventor
何建龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2012100010080A priority Critical patent/CN103195796A/en
Publication of CN103195796A publication Critical patent/CN103195796A/en
Pending legal-status Critical Current

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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

A kind of rotating shaft
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;
Axis 20 is made by the good material of elastic strain, present embodiment adopts high strength, high wear-resistant POM engineering plastics material, axis 20 is provided with the positioning convex 211 that the footpath makes progress, and the cross section of positioning convex 211 is arc, axis 20 is interspersed in first through hole 101 of described main body 10, also is provided with on the axis 20 be used to the screw hole 202 that is connected and fixed.
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.
CN2012100010080A 2012-01-04 2012-01-04 Rotation shaft Pending CN103195796A (en)

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

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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)

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CN (1) CN103195796A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20130710