CN203082005U - Two-segment type torsion rotation shaft universally used for left and right sides - Google Patents
Two-segment type torsion rotation shaft universally used for left and right sides Download PDFInfo
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- CN203082005U CN203082005U CN 201320040954 CN201320040954U CN203082005U CN 203082005 U CN203082005 U CN 203082005U CN 201320040954 CN201320040954 CN 201320040954 CN 201320040954 U CN201320040954 U CN 201320040954U CN 203082005 U CN203082005 U CN 203082005U
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Abstract
The utility model discloses a two-segment type torsion rotation shaft universally used for left and right sides. The two-segment type torsion rotation shaft comprises a convex wheel (220) sleeved on the shaft rod, and a concave wheel (110) next to the convex wheel in a contact manner, wherein the contact side surface (20) of the convex wheel (220) with the concave wheel (110) is provided with convex hulls, the contact side surface (10) of the concave wheel (110) with the convex wheel (220) is provided with concave grooves which are matched with the convex hulls of the convex wheel, and the concave wheel side surface (10) is also provided with convex blocks; when the convex wheel (220) and the concave wheel (110) relatively rotate, the convex hulls of the convex wheel (220) move out of the concave grooves of the concave wheel (110), so that the space between the concave wheel (110) and the convex wheel (220) is increased to reach the first segment work station; when the convex wheel (220) and the concave wheel (110) continue relatively rotating, the convex hulls of the convex wheel move to convex blocks of the concave wheel, and the space between the concave wheel (110) and the convex wheel (220) is increased to reach the second segment work station. The two-segment type torsion rotation shaft can generate a larger torsion to withstand the power caused by a hand touching the screen; and moreover, the two-segment type torsion rotation shaft need not to differentiate the left side piece and the right side piece, is a shared piece for two sides, only one set of mould is needed, thereby reducing the development cost for a company.
Description
Technical field
The utility model relates to a kind of mechanical structure, relates in particular to the two-part torque rotary shaft, particularly a kind of general two-part torque rotary shaft in the left and right sides that is used 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, as the keyboard base and the display device of notebook computer, 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 concavo-convex wheel construction that cooperates in the prior art is shown in Fig. 3 A, 3B, 4A, 4B.Fig. 5 A is that concavo-convex wheel of prior art rotated preceding state, and cam convex closure 23 also places the recessed groove 11 of taking turns, and does not highly change as yet for h1-3.45mm torsion this moment.When recessedly take turns, when cam rotates relatively, as Fig. 5 B is concavo-convex state of taking turns after rotation 90 is spent, 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 big, so torsion increase, produce one section torsion, but the torsion that this rotating shaft produces only has single working position.
Because the appearance of WIN8 Touch Screen at present, the user in use can touch screen, imposes on opposition of notebook display, therefore, needs bigger torsion keep out the strength of being shone when the hand touch screen.Simultaneously, do not wish that again therefore the use inconvenience of shining into the user because of torsion is excessive need a kind of turning shaft structure that the torque rotary shaft of prior art is optimized when notebook computer during in open and close.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 utility model comes therefrom.
Summary of the invention
Technical problem to be solved in the utility model is that electronic product rotating shaft torsion only has the problem of single working position, provide a kind of and have the general two-part torque rotary shaft in the left and right sides, and can not cause notebook computer torsion when open and close excessive again.
Solve the problems of the technologies described above, the technical solution of the utility model 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 on the side with recessed contacting of taking turns, be provided with the groove that matches with described cam convex closure on the side recessed the wheel, it is characterized in that with contacting of cam; 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, make recessedly take turns, the cam spacing increases and arrives first section 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, second section working position of cam spacing increase arrival.
Preferably, described recessed the wheel comprises inside and outside two circles, and described inner ring comprises: the inner ring groove is located at the inner ring side plane of inner ring groove both sides and the inner ring projection between the two inner ring side planes respectively; Described outer ring comprises: the outer ring groove is located at the outer ring side plane of groove both sides, outer ring and the outer ring projection between the two outer ring side planes respectively;
Described cam also is divided into inner ring and outer ring, is provided with convex closure on 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 also corresponding diagonal angle of the inner ring convex closure of cam and outer ring convex closure distributes.
Preferably, the length of described recessed inner ring side plane of taking turns, outer ring side plane is for being that 60 degree-100 degree angle radians of center of circle correspondence are long with the axostylus axostyle.
Preferably, described recessed inner ring projection of taking turns, outer ring projection length are for being that 100 degree-180 degree angle radians of center of circle correspondence are long with the axostylus axostyle.
The utility model has the advantages that:
1. the general two-part torque rotary shaft in the left and right sides of the present utility model can produce bigger 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 equal substantially, two-part torque rotary shaft of the present utility model more is applicable on 3C commodity and the touch-control type 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 utility model is general, part about not needing to distinguish is the both sides shareware, therefore only needs a mold, for company reduces development cost; And at the scene in the assembling, so owing to be 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 produces schematic representation for rotating shaft torsion.
Fig. 3 A is the recessed wheel construction schematic representation of prior art, and 3B is the longitudinal section structural representation of Fig. 3 A.
Fig. 4 A is the cam structure schematic representation 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 of the relative cam rotation of prior art rotating shaft.
Fig. 6 A is the recessed wheel construction schematic representation of the utility model one preferred embodiment, and 6B is the perspective view of Fig. 6 A, and 6C is the longitudinal section schematic representation of Fig. 6 A.
Fig. 7 A is the cam structure schematic representation of the utility model one preferred embodiment, and 7B is the longitudinal section structural representation of Fig. 7 A.
Fig. 8 is that the utility model two-part torque rotary shaft torsion produces schematic representation.
Fig. 9 A is that the utility model one embodiment's two-part torque rotary shaft recessed taken turns, the mated condition structural representation of cam; Fig. 9 B is the recessed first working position structural representation of taking turns relative cam rotation of the utility model one embodiment's two-part torque rotary shaft; Fig. 9 C is the recessed second working position structural representation of taking turns relative cam rotation of the utility model one embodiment's two-part torque rotary shaft.
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 first fixed support, and 61 is 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 utility model is general, comprise the cam 220 that is enclosed within on the axostylus axostyle and be adjacent contact recessed and take turns 110, take turns 110 contact on the side 20 and be provided with convex closure at cam 220 with recessed, take turns 110 and be provided with the groove that matches with described cam convex closure on the side 10 recessed, also be provided with projection on the described recessed wheel side 10 with contacting of cam 220; When cam 220 with recessed when taking turns 110 relative rotations, the cam convex closure shifts out recessed 110 the groove of taking turns, make recessedly take turns 110, cam 220 spacings increase and arrive first section 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, second section working position of cam 220 spacings increase arrival.
Below in conjunction with drawings and Examples the utility model is further described:
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 the inner ring side plane 102 of inner ring groove 101 both sides respectively, and the inner ring projection 103 between the two inner ring side planes; Described outer ring comprises: outer ring groove 111 is located at 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 respectively; Cam 220 also is divided into inner ring and outer ring, is provided with convex closure 201 on 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 also corresponding diagonal angle of the inner ring convex closure 201 of cam and outer ring convex closure 210 distributes.
In the preferred embodiment of the present utility model, the length that above-mentioned two-part torque rotary shaft recessed taken turns 110 inner ring side plane 102, outer ring side plane 112 is for being that 60 degree-100 degree angle radians of center of circle correspondence are long with the axostylus axostyle; Preferably, recessed 110 the inner ring projection 103, outer ring projection 113 length of taking turns is for being that 100 degree-180 degree angle radians of center of circle correspondence are long with the axostylus axostyle.
As Fig. 9 A is the concavo-convex phase diagram of taking turns before rotating of the utility model two-part torque rotary shaft, the inner ring convex closure 201 of cam 220, outer ring convex closure 210 also place recessed 110 inner ring groove 101, the outer ring groove 111 of taking turns respectively, so highly be H1:4.93mm, this moment, torsion did not change as yet; When cam 220 with recessed when taking turns 110 relative rotations, 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 inner ring side plane 102 and the recessed outer ring side plane 112 of taking turns of taking turns, make recessedly take turns 110, cam 220 spacings increase and arrive first section 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 of first section of generation; 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, make recessedly take turns 110, cam 220 spacings increase and arrive second section working position, H3 is 5.21mm, shown in Fig. 9 C, because of increasing highly again, shell fragment has more compressed again, therefore produces second section torsion than first section bigger.
Two-part torque rotary shaft of the present utility model, 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 assembled on site does not have batch mixing yet.
Certainly, the foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow people can understand content of the present utility model and implements according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
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 contacting on the side (20) of recessed wheel the (110), be provided with the groove that matches with described cam convex closure recessed wheel the (110) on the side (10) with contacting 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), makes recessed wheel the (110), cam (220) spacing increase and arrives first section 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 by second section working position of arrival.
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 the inner ring side plane (102) of inner ring groove (101) both sides respectively, and the inner ring projection (103) between the two inner ring side planes; Described outer ring comprises: outer ring groove (111) is located at 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 respectively;
Described cam (220) also is divided into inner ring and outer ring, is provided with convex closure (201) on 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.
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 outer ring groove (111) diagonal angle distribute; The also corresponding diagonal angle with outer ring convex closure (210) of the inner ring convex closure (201) of cam distributes.
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 being that 60 degree-100 degree angle radians of center of circle correspondence are long with the axostylus axostyle.
5. according to claim 2 or 3 described two-part torque rotary shafts, it is characterized in that: the inner ring projection (103) of described recessed wheel the (110), outer ring projection (113) length are for being that 100 degree-180 degree angle radians of center of circle correspondence are long with the axostylus axostyle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040954 CN203082005U (en) | 2013-01-25 | 2013-01-25 | Two-segment type torsion rotation shaft universally used for left and right sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320040954 CN203082005U (en) | 2013-01-25 | 2013-01-25 | Two-segment type torsion rotation shaft universally used for left and right sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203082005U true CN203082005U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320040954 Expired - Fee Related CN203082005U (en) | 2013-01-25 | 2013-01-25 | Two-segment type torsion rotation shaft universally used for left and right sides |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203082005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062210A (en) * | 2013-01-25 | 2013-04-24 | 安捷资讯科技(苏州)有限公司 | Two-segment torsion rotating shaft universal on left and right sides |
-
2013
- 2013-01-25 CN CN 201320040954 patent/CN203082005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062210A (en) * | 2013-01-25 | 2013-04-24 | 安捷资讯科技(苏州)有限公司 | Two-segment torsion rotating shaft universal on left and right sides |
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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: 20130724 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |