CN103062210A - Two-segment torsion rotating shaft universal on left and right sides - Google Patents
Two-segment torsion rotating shaft universal on left and right sides Download PDFInfo
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- CN103062210A CN103062210A CN201310028303XA CN201310028303A CN103062210A CN 103062210 A CN103062210 A CN 103062210A CN 201310028303X A CN201310028303X A CN 201310028303XA CN 201310028303 A CN201310028303 A CN 201310028303A CN 103062210 A CN103062210 A CN 103062210A
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Abstract
The invention discloses a two-segment torsion rotating shaft universal on left and right sides. The two-segment torsion rotating shaft comprises a cam (220) sleeved on a shaft rod, and a concave wheel (110) which is adjacent to and in contact with the cam, wherein a convex hull is arranged on a contact side face (20) of the cam (220) and the concave wheel (110); a groove matched with the convex hull of the cam is arranged on a contact side face (10) of the concave wheel (110) and the cam (220); a bump is also arranged on the concave wheel side face (10); when the cam (220) and the concave wheel (110) rotate relatively, the convex hull of the cam (220) moves out of the groove of the concave wheel (110) to ensure that the space between the concave wheel (110) and the cam (220) is enlarged to reach a first-segment working position; and when the cam (220) and the concave wheel (110) continue rotating relatively, the convex hull of the cam is moved on the bump of the concave wheel to ensure that the space between the concave wheel (110) and the cam (220) is enlarged to reach a second-segment working position. The two-segment torsion rotating shaft disclosed by the invention has the advantages that larger torsion can be produced to resist force caused by touching a screen by hand; and through the two-segment torsion rotating shaft, left and right pieces do not need to be distinguished and are shared by two sides, so that only one die is needed and the development cost of companies is reduced.
Description
Technical field
The present invention relates to a kind of mechanical structure, relate in particular to the two-part torque rotary shaft, particularly a kind of for the general two-part torque rotary shaft in the left and right sides on 3C Product and the notebook computer.
Background technique
The flexible connection parts of various electronic equipments generally use rotating shaft in the prior art, by rotating shaft two members of electronic equipment are done relative motion, such as keyboard base and the display device of notebook computer, the electronic products such as clamshell handset.
As shown in Figure 1 and Figure 2, the rotating shaft meeting produce torsion be because shell fragment, recessedly take turns, the compression friction is formed mutually between the cam: relatedly when travel(l)ing rest rotates turn to recessed the wheel, the recessed wheel and cam drop to some extent when the spin friction because on the height, thereby meeting extrusion elastic, shell fragment is just as spring, can produce elastic force when being squeezed, so produce torsion by elastic force and frictional force.
The concave-convex wheel structure that cooperates in the prior art is shown in Fig. 3 A, 3B, 4A, 4B.Fig. 5 A is state before the concave of prior art rotates, and cam convex closure 23 also places the recessed groove 11 of taking turns, and highly not yet changes for h1-3.45mm torsion this moment.When recessedly take turns, when cam rotates relatively, be state after concave rotates 90 degree such as Fig. 5 B, convex closure has shifted out groove in the plane, and highly uprised this moment, highly increases to h2-3.75mm, because the increase of height, be expressed to shell fragment, cause shell fragment pressure to become large, so torsion increase, produce one section torsion, but the torsion that this rotating shaft produces only has single working position.
Because the at present appearance of WIN8 Touch Screen, the user in use can touch screen, imposes on opposition of notebook display, therefore, needs larger torsion keep out the strength of being shone when the hand touch screen.Simultaneously, do not wish again to shine into user's use inconvenience because torsion is excessive when notebook computer during in open and close, therefore need a kind of turning shaft structure that the torque rotary shaft of prior art is optimized.In addition, it is general that existing rotating shaft mostly can not the left and right sides, therefore brings the inconvenience on the processing and assembling.The present invention comes therefrom.
Summary of the invention
Technical problem to be solved by this invention is that electronic product rotating shaft torsion only has the problem of single working position, provides a kind of and has the general two-part torque rotary shaft in the left and right sides, and can not cause again notebook computer torsion when open and close excessive.
Solve the problems of the technologies described above, technological scheme of the present invention is: the two-part torque rotary shaft that the left and right sides is general, comprise the cam that is enclosed within on the axostylus axostyle and be adjacent contact recessed and take turns, be provided with convex closure at cam with the recessed side that contacts of taking turns, be provided with the groove that matches with described cam convex closure recessed the wheel with the side that contacts of cam, it is characterized in that; Also be provided with projection on the described recessed wheel side; When cam with recessed when taking turns relative rotation, the cam convex closure shifts out recessed groove of taking turns so that recessedly take turns, the cam spacing increases and arrives the first paragraph working position; Cam is taken turns when continuing relative rotation with recessed, and the cam convex closure moves on on the recessed projection of taking turns, and recessedly takes turns, cam spacing increase arrival second segment working position.
Preferably, described recessed the wheel comprises inside and outside two circles, and described inner ring comprises: the inner ring groove is located at respectively the inner ring side plane of inner ring groove both sides and the inner ring projection between the two inner ring side planes; Described outer ring comprises: the outer ring groove is located at respectively the outer ring side plane of groove both sides, outer ring and the outer ring projection between the two outer ring side planes;
Described cam also is divided into inner ring and outer ring, is provided with convex closure at inner ring, and itself and recessed inner ring groove corresponding matching of taking turns are provided with a convex closure in the outer ring, itself and recessed outer ring groove corresponding matching of taking turns.
Preferably, described recessed inner ring groove of taking turns and groove diagonal angle, outer ring distribute; The inner ring convex closure of cam and outer ring convex closure also corresponding diagonal angle distribute.
Preferably, the length of described recessed inner ring side plane of taking turns, outer ring side plane is for long take axostylus axostyle 60 degree-100 degree angle radians corresponding as the center of circle.
Preferably, described recessed inner ring projection of taking turns, outer ring projection length are for long take axostylus axostyle 100 degree-180 degree angle radians corresponding as the center of circle.
Advantage of the present invention is:
1. the general two-part torque rotary shaft in the left and right sides of the present invention can produce larger torsion and keep out the strength of being shone when the hand touch screen, but when notebook computer during in open and close, torsion and normally used torsion are substantially equal, two-part torque rotary shaft of the present invention more is applicable on 3C commodity and the tough notebook computer, allows the user that better experience and sensation are arranged when using product.
The two-part torque rotary shaft that the left and right sides of the present invention is general, part about not needing to distinguish is the both sides shareware, therefore only needs a mold, is company's reducing development cost; And at the scene in the assembling, so owing to being the doubt that left and right sides shareware does not have batch mixing yet, nature can pick up speed in the assembling, has improved productivity.
Description of drawings
Fig. 1 is the total constitutional diagram of rotating shaft.
Fig. 2 is that rotating shaft torsion produces schematic diagram.
Fig. 3 A is the recessed wheel construction schematic diagram of prior art, and 3B is the longitudinal section structural representation of Fig. 3 A.
Fig. 4 A is the cam structure schematic diagram of prior art, and 4B is the longitudinal section structural representation of Fig. 4 A.
Fig. 5 A is that prior art rotating shaft recessed taken turns, the mated condition structural representation of cam; Fig. 5 B is the first working position structural representation that rotates relative to cam of prior art rotating shaft.
Fig. 6 A is the recessed wheel construction schematic diagram of one embodiment of the present invention, and 6B is the perspective view of Fig. 6 A, and 6C is the longitudinal section schematic diagram of Fig. 6 A.
Fig. 7 A is the cam structure schematic diagram of one embodiment of the present invention, and 7B is the longitudinal section structural representation of Fig. 7 A.
Fig. 8 is that two-part torque rotary shaft torsion of the present invention produces schematic diagram.
Fig. 9 A is that two-part torque rotary shaft recessed of one embodiment of the invention taken turns, the mated condition structural representation of cam; Fig. 9 B is the recessed first working position structural representation that rotates relative to cam of taking turns of the two-part torque rotary shaft of one embodiment of the invention; Fig. 9 C is the recessed second working position structural representation that rotates relative to cam of taking turns of the two-part torque rotary shaft of one embodiment of the invention.
Wherein: 1 is recessed the wheel, and 2 is cam, and 3 is retaining washer; 4 is the oil groove pad, and 5 is shell fragment, and 6 is nut, and 7 is travel(l)ing rest, and 8 is the angle sheet, and 9 is mandrel, and 60 is the first fixed support, and 61 is the second fixed support;
110 are recessed the wheel, and 10 are (the recessed wheel) side, the 11 recessed grooves of taking turns, 101 inner ring grooves, 102 inner ring side planes, 103 inner ring projections, 111 outer ring grooves, 112 outer ring side planes, 113 outer ring projections;
220 is cam, and 20 is (cam) side, 201 inner ring convex closures, 210 outer ring convex closures; 23 (cam) convex closure.
Embodiment
The two-part torque rotary shaft that the left and right sides of the present invention is general, comprise the cam 220 that is enclosed within on the axostylus axostyle and be adjacent contact recessed and take turns 110, be provided with convex closure at cam 220 with recessed 110 the side 20 that contacts of taking turns, take turns 110 and be provided with the groove that matches with described cam convex closure with the side 10 that contacts of cam 220 recessed, also be provided with projection on the described recessed wheel side 10; When cam 220 with recessed when taking turns 110 relative rotation, the cam convex closure shifts out recessed 110 the groove of taking turns so that recessedly take turns 110, cam 220 spacings increase and arrive the first paragraph working position; Cam 220 takes turns 110 when continuing relative rotation with recessed, and the cam convex closure moves on on the recessed projection of taking turns, and recessedly takes turns 110, cam 220 spacings increase arrival second segment working position.
The invention will be further described below in conjunction with drawings and Examples:
Such as Fig. 6 A, 6B, 6C, 7A, described two-part torque rotary shaft one preferred embodiment of 7B, Fig. 9, the two-part torque rotary shaft, comprise the cam 220 that is enclosed within on the axostylus axostyle and be adjacent contact recessed and take turns 110, describedly recessedly take turns 110 and comprise inside and outside two circles, inner ring comprises: inner ring groove 101, be located at respectively the inner ring side plane 102 of inner ring groove 101 both sides, and the inner ring projection 103 between the two inner ring side planes; Described outer ring comprises: outer ring groove 111 is located at respectively the outer ring side plane 112 of outer ring groove 111 both sides and the outer ring projection 113 between the two outer ring side planes; Cam 220 also is divided into inner ring and outer ring, is provided with convex closure 201 at inner ring, and itself and recessed inner ring groove 101 corresponding matching of taking turns are provided with a convex closure 210 in the outer ring, itself and recessed outer ring groove 111 corresponding matching of taking turns; Recessedly described in this preferred embodiment take turns 110 inner ring groove 101 and groove 111 diagonal angles in outer ring distribute; The inner ring convex closure 201 of cam and outer ring convex closure 210 also corresponding diagonal angle distribute.
In the preferred embodiment of the present invention, above-mentioned two-part torque rotary shaft recessed taken turns the length of 110 inner ring side plane 102, outer ring side plane 112 for long take axostylus axostyle 60 degree-100 degree angle radians corresponding as the center of circle; Preferably, recessed 110 inner ring projection 103, outer ring projection 113 length of taking turns are for long take axostylus axostyle 100 degree-180 degree angle radians corresponding as the center of circle.
Be phase diagram before the concave of two-part torque rotary shaft of the present invention rotates such as Fig. 9 A, the inner ring convex closure 201 of cam 220, outer ring convex closure 210 also place respectively recessed 110 inner ring groove 101, the outer ring groove 111 of taking turns, so highly be H1:4.93mm, this moment, torsion not yet changed; When cam 220 with recessed when taking turns 110 relative rotation, as rotate 60 and spend, the inner ring convex closure 201 of cam 220, outer ring convex closure 210 shift out recessed 110 inner ring groove 101, the outer ring groove 111 of taking turns, and arrive recessed 110 the inner ring side plane 102 of taking turns, and recessed outer ring side plane 112 of taking turns, so that recessedly take turns 110, cam 220 spacings increase and arrive the first paragraph working position, H2 is 5.13mm, shown in Fig. 9 B, because of the increase of height, be expressed to shell fragment, so torsion increases the torsion that produces first paragraph; When cam 220 with recessedly take turns 110 and continue rotation, as turn to 90 the degree, the inner ring convex closure 201 of cam 220, outer ring convex closure 210 shift out recessed 110 inner ring side plane 102, the outer ring side plane 112 of taking turns, arrive recessed 110 inner ring projection 103 and the recessed outer ring projection 113 of taking turns of taking turns so that recessedly take turns 110, cam 220 spacings increase and arrive the second segment working position, H3 is 5.21mm, shown in Fig. 9 C, because increasing highly again, shell fragment has more compressed again, therefore produces the second segment torsion larger than first paragraph.
Two-part torque rotary shaft of the present invention, part about not needing to distinguish, the both sides shareware only needs a mold, so and owing to be the doubt that left and right sides shareware Assembling does not have batch mixing yet.
Certainly, above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow people can understand content of the present invention and implements according to this, can not limit protection scope of the present invention with this.The all Spirit Essence of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (5)
1. the general two-part torque rotary shaft in the left and right sides, comprise the cam (220) that is enclosed within on the axostylus axostyle and be adjacent contact recessed and take turns (110), be provided with convex closure at cam (220) with the side (20) that contacts of recessed wheel the (110), be provided with the groove that matches with described cam convex closure recessed wheel the (110) with the side (10) that contacts of cam (220), it is characterized in that: also be provided with projection on the described recessed wheel side (10); When cam (220) during with relative rotation of recessed wheel the (110), cam (220) convex closure shifts out the groove of recessed wheel the (110), so that recessed wheel the (110), cam (220) spacing increase and arrive the first paragraph working position; When cam (220) continued relative rotation with recessed wheel the (110), the cam convex closure moved on on the recessed projection of taking turns, and recessed wheel the (110), cam (220) spacing increase arrival second segment working position.
2. two-part torque rotary shaft according to claim 1, it is characterized in that: described recessed wheel the (110) comprises inside and outside two circles, described inner ring comprises: inner ring groove (101), be located at respectively the inner ring side plane (102) of inner ring groove (101) both sides, and the inner ring projection (103) between the two inner ring side planes; Described outer ring comprises: outer ring groove (111) is located at respectively the outer ring side plane (112) of outer ring groove (111) both sides and the outer ring projection (113) between the two outer ring side planes;
Described cam (220) also is divided into inner ring and outer ring, be provided with convex closure (201) at inner ring, itself and recessed inner ring groove (101) corresponding matching of taking turns are provided with a convex closure (210) in the outer ring, itself and recessed outer ring groove (111) corresponding matching of taking turns.
3. two-part torque rotary shaft according to claim 2 is characterized in that: the inner ring groove (101) of described recessed wheel the (110) and the distribution of outer ring groove (111) diagonal angle; The inner ring convex closure (201) of cam and outer ring convex closure (210) also corresponding diagonal angle distribute.
4. two-part torque rotary shaft according to claim 2 is characterized in that: the inner ring side plane (102) of described recessed wheel the (110), the length of outer ring side plane (112) are for long take axostylus axostyle 60 degree-100 degree angle radians corresponding as the center of circle.
5. it is characterized in that according to claim 2 or 3 described two-part torque rotary shafts: the inner ring projection (103) of described recessed wheel the (110), outer ring projection (113) length are for long take axostylus axostyle 100 degree-180 degree angle radians corresponding as the center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028303XA CN103062210A (en) | 2013-01-25 | 2013-01-25 | Two-segment torsion rotating shaft universal on left and right sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028303XA CN103062210A (en) | 2013-01-25 | 2013-01-25 | Two-segment torsion rotating shaft universal on left and right sides |
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| Publication Number | Publication Date |
|---|---|
| CN103062210A true CN103062210A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310028303XA Pending CN103062210A (en) | 2013-01-25 | 2013-01-25 | Two-segment torsion rotating shaft universal on left and right sides |
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| Country | Link |
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| CN (1) | CN103062210A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555815A (en) * | 2015-09-25 | 2017-04-05 | 昆山玮硕恒基电子科技有限公司 | Variable rotary torsion twin shaft is with dynamic turning gear |
| CN117685288A (en) * | 2023-10-31 | 2024-03-12 | 广东小天才科技有限公司 | Damping structure and scanning pen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360819A (en) * | 2003-06-05 | 2004-12-24 | Strawberry Corporation | Hinge device and electronic apparatus using hinge device |
| CN201225364Y (en) * | 2008-07-28 | 2009-04-22 | 兆利科技工业股份有限公司 | Cam assembly |
| CN201246404Y (en) * | 2008-06-25 | 2009-05-27 | 鸿富锦精密工业（深圳）有限公司 | Cam component |
| CN201627819U (en) * | 2010-01-26 | 2010-11-10 | 康准电子科技（昆山）有限公司 | Pivot device and interference component |
| CN203082005U (en) * | 2013-01-25 | 2013-07-24 | 安捷资讯科技(苏州)有限公司 | Two-segment type torsion rotation shaft universally used for left and right sides |
-
2013
- 2013-01-25 CN CN201310028303XA patent/CN103062210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004360819A (en) * | 2003-06-05 | 2004-12-24 | Strawberry Corporation | Hinge device and electronic apparatus using hinge device |
| CN201246404Y (en) * | 2008-06-25 | 2009-05-27 | 鸿富锦精密工业（深圳）有限公司 | Cam component |
| CN201225364Y (en) * | 2008-07-28 | 2009-04-22 | 兆利科技工业股份有限公司 | Cam assembly |
| CN201627819U (en) * | 2010-01-26 | 2010-11-10 | 康准电子科技（昆山）有限公司 | Pivot device and interference component |
| CN203082005U (en) * | 2013-01-25 | 2013-07-24 | 安捷资讯科技(苏州)有限公司 | Two-segment type torsion rotation shaft universally used for left and right sides |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555815A (en) * | 2015-09-25 | 2017-04-05 | 昆山玮硕恒基电子科技有限公司 | Variable rotary torsion twin shaft is with dynamic turning gear |
| CN117685288A (en) * | 2023-10-31 | 2024-03-12 | 广东小天才科技有限公司 | Damping structure and scanning pen |
| CN117685288B (en) * | 2023-10-31 | 2024-05-10 | 广东小天才科技有限公司 | Damping structure and scanning pen |
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Application publication date: 20130424 |