CN201982478U - Biaxial hinge device - Google Patents
Biaxial hinge device Download PDFInfo
- Publication number
- CN201982478U CN201982478U CN2011200032818U CN201120003281U CN201982478U CN 201982478 U CN201982478 U CN 201982478U CN 2011200032818 U CN2011200032818 U CN 2011200032818U CN 201120003281 U CN201120003281 U CN 201120003281U CN 201982478 U CN201982478 U CN 201982478U
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- cam
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- perforation
- pivot device
- supporting base
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Abstract
The utility model relates to a biaxial hinge device which comprises an n-shaped supporting pedestal, a first rotary supporting part and a second rotary supporting part. A first through hole along a first axial direction is formed in the middle of the n-shaped supporting pedestal. A second through hole and a third through hole along a second axial direction orthogonal with the first axial direction are formed in two side edges of the n-shaped supporting pedestal. A first rotary supporting part is arranged on the first through hole. A second rotary supporting part is arranged on the second through hole. The biaxial hinge device is characterized in that a plurality of sliding bumps and a locking bump are formed on cams of the first rotary supporting part respectively, and are used for limiting the rotation range of the first rotary supporting part so as to prevent a line of the device from being abraded.
Description
Technical field
The utility model relates to a kind of pivot device, particularly relevant for a kind of twin shaft to pivot device.
Background technique
At present, the portable electronic equipment of many kinds in order to allow the user not restrained by the place, to develop.Wherein, portable electronic device for the use of collocation screen, such as mobile computer, PDA(Personal Digital Assistant), digital camera, mobile phone etc., compact and will take into account under big viewing area and the more multi-functional consideration at holding means, the design that adopts flip is arranged in the conventional device.The electronic equipment of flip design normally separates body and is connected with a pivot device with screen, so that the function of raising screen and upset screen to be provided, make screen can carry out disalignment to the rotation that reaches different amount with respect to body.For above-mentioned functions is provided, also propose to have the different pivot device of many kinds in the prior art.For example, see also Fig. 1, Fig. 1 is the stereogram that illustrates a kind of existing pivot device.As shown in Figure 1, existing pivot device comprises: a fixing frame 10, horizontally rotates frame 20, a vertical shaft assembly 30, one vertical swivel mount assembly 40, one horizontal limit assembly, a horizontal location assembly and a vertical limit assembly.In this kind pivot device, fixing frame 10 is in order to fixedly installing the screen of electronic equipment, and vertical swivel mount assembly 40 then can be in order to be connected with the body of electronic equipment.Vertical shaft assembly 30 is arranged on and horizontally rotates on frame 20 and the fixing frame 10, and includes a vertical shaft 31 and a baffle plate 32; Above-mentioned vertical shaft 31 wears the vertical pivot hole 211 on the substrate 21 that horizontally rotates frame 20 rotationally, and with rotatable but slidably mode wear the perforation 11 of fixing frame 10, section tool one noncircular cross section of the contiguous bottoms of vertical shaft 31 is complementary with the noncircular cross section with the perforation 11 of fixing frame 10, make vertical shaft 31 rotate with respect to fixing frame 10, above-mentioned baffle plate 32 is to be installed in vertical shaft 31 bottoms.Horizontal limit assembly includes a limiting stopper 231 and a limited ring 33; Above-mentioned limiting stopper 231 is the madial walls that are formed at the tank 23 of aforesaid substrate 21; Above-mentioned limited ring 33 is from vertical shaft 31 top radially outward projections, on limited ring 33, be formed with one can with the limiting stopper 231 of substrate 21 limiting stopper 331 of clip mutually, limiting the above-mentioned frame 20 that horizontally rotates thus must not further rotate relative to vertical shaft 31, in order to avoid the body of electronic equipment and the kink of the circuit between screen fracture.
But, because above-mentioned existing pivot device is the clip that utilizes limiting stopper 231 and limiting stopper 331, limit the above-mentioned frame 20 that horizontally rotates with respect to the rotation of fixing frame 10 with vertical shaft 31, and the body of electronic equipment and the circuit between screen may be through the paths of limiting stopper 331 rotations, thereby can when limiting stopper 331 rotates, be worn, cause electronic device failure.
The model utility content
In view of this, the purpose of this utility model is to provide a kind of twin shaft to pivot device, and it can be avoided causing and be provided with above-mentioned twin shaft and damage to the circuit of the electronic equipment of pivot device.
In order to reach above-mentioned purpose, twin shaft of the present utility model can comprise to pivot device: a ㄇ type supporting base, be formed with one first perforation along a first axle direction in the centre of above-mentioned ㄇ type supporting base, and on the dual side-edge of above-mentioned ㄇ type supporting base, be formed with respectively along with one second perforation and one the 3rd perforation of one second axial direction of above-mentioned first axle direction quadrature, one first rotary supporting part, be arranged in above-mentioned first perforation, and one second rotary supporting part, be arranged in above-mentioned second perforation, it is characterized in that: above-mentioned first rotary supporting part comprises: one first cam, can be installed on regularly on the above-mentioned ㄇ type supporting base, above-mentioned first cam has a through hole that forms along its axis direction, and centering on a plurality of first slide bumpings and one first stopping projection that above-mentioned through hole forms, above-mentioned a plurality of first slide bumpings and above-mentioned first stopping projection are one first radial distance apart from the axle center of above-mentioned first cam respectively; One second cam, has a through hole that forms along its axis direction, and centering on a plurality of second slide bumpings and one second stopping projection that above-mentioned through hole forms, above-mentioned a plurality of second slide bumpings and above-mentioned second stopping projection are one second radial distance apart from the axle center of above-mentioned second cam respectively; One supporting frame is connected in above-mentioned second cam, can rotate synchronously with above-mentioned second cam; One first resilient member is used so that above-mentioned first cam and the mutual contact of above-mentioned second cam; One hollow main shaft member passes above-mentioned first resilient member, above-mentioned supporting frame, above-mentioned second cam in regular turn, reaches above-mentioned first cam, and passes above-mentioned first perforation, is fixed in above-mentioned ㄇ type supporting base with pivot joint; And above-mentioned second rotary supporting part comprises: one the 3rd cam can be installed in above-mentioned second perforation of above-mentioned ㄇ type supporting base regularly; One four-cam is arranged in above-mentioned second perforation of above-mentioned ㄇ type supporting base rotationally; One second resilient member is used so that above-mentioned the 3rd cam and the mutual contact of above-mentioned four-cam; One side shaft member, pass above-mentioned second resilient member, above-mentioned four-cam in regular turn, reach above-mentioned the 3rd cam, and pass above-mentioned second and bore a hole, be fixed in above-mentioned ㄇ type supporting base with pivot joint, and above-mentioned four-cam is coupling regularly on above-mentioned side shaft member, can rotate synchronously with above-mentioned side shaft member.In addition, the axis coinciding of the axle center of above-mentioned first cam and above-mentioned second cam, and above-mentioned first radial distance equates with above-mentioned second radial distance.
According to a feature of the present utility model, the height of above-mentioned a plurality of first slide bumpings can be equal, and above-mentioned first stopping projection can be higher than above-mentioned a plurality of first slide bumping.The height of above-mentioned a plurality of second slide bumpings can be equal, and above-mentioned second stopping projection can be higher than above-mentioned a plurality of second slide bumping.
According to another feature of the present utility model, twin shaft to pivot device can also comprise one the location stop member, be coupling regularly on above-mentioned side shaft member, with so that above-mentioned side shaft member in prespecified range, rotate.
According to a feature more of the present utility model, can be formed with fixed block in above-mentioned second perforated interior, in order to ccontaining above-mentioned the 3rd cam regularly.
According to another feature of the present utility model, above-mentioned first resilient member and above-mentioned second resilient member can be spring.
According to another feature of the present utility model, above-mentioned first rotary supporting part also comprises a sleeve, and is in order to coat above-mentioned first cam and above-mentioned second cam, more steady when above-mentioned first rotary supporting part is rotated.
The beneficial effects of the utility model, in practical application of the present utility model, the circuit of electronic equipment can be bored a hole by above-mentioned hollow main shaft member and the 3rd, and is the screen of installing electronic equipment with above-mentioned supporting frame.The utility model sees through and will be arranged in order to the stopping projection that limits above-mentioned supporting frame slewing area on the cam, can make link tester can not be worn when crossing above-mentioned hollow main shaft member and the 3rd perforation.
Description of drawings
Fig. 1 is the three-dimensional exploded view that illustrates a kind of existing pivot device.
Fig. 2 illustrates the three-dimensional exploded view of twin shaft of the present utility model to an embodiment of pivot device.
Fig. 3 A and Fig. 3 B illustrate first cam of twin shaft of the present utility model in pivot device and the stereogram of second cam respectively according to an embodiment.
Fig. 4 is the partial enlarged drawing that illustrates second rotary supporting part of twin shaft of the present utility model in pivot device according to an embodiment.
Fig. 5 illustrates the second perforated interior schematic representation of twin shaft of the present utility model in the ㄇ of pivot device type supporting base according to an embodiment.
The primary component symbol description
10 fixing frames
11 perforation
20 horizontally rotate frame
21 substrates
23 tanks
30 vertical shaft assemblies
31 vertical shaftes
32 baffle plates
33 limited rings
40 vertical swivel mount assemblies
100 type supporting bases
101 first perforation
102 second perforation
103 the 3rd perforation
110 first rotary supporting parts
111 first cams
111A, 112A through hole
111B first slide bumping
111C first stopping projection
112 second cams
112B second slide bumping
112C second stopping projection
113 sleeves
114 supporting frames
115 pads
116 first resilient members
117 hollow main shaft members
120 second rotary supporting parts
121 the 3rd cams
122 four-cams
123 second resilient members
124 side shaft members
125 spacing stop members
126 solid lock construction elements
131 defining flanges
132 fixed blocks
211 vertical pivot holes
231,331 limiting stoppers
Embodiment
Consult the embodiment of graphic explanation twin shaft of the present utility model below to pivot device.
See also Fig. 2, Fig. 2 illustrates the three-dimensional exploded view of twin shaft of the present utility model to an embodiment of pivot device.As shown in the figure, twin shaft of the present utility model comprises to pivot device: a ㄇ type supporting base 100, be formed with one first perforation 101 along a first axle direction in the centre of above-mentioned ㄇ type supporting base 100, and on the dual side-edge of above-mentioned ㄇ type supporting base 100, be formed with respectively along with one second perforation, 102 and 1 the 3rd perforation, 103,1 first rotary supporting part 110 of one second axial direction of above-mentioned first axle direction quadrature, be arranged in above-mentioned first perforation 101, reach one second rotary supporting part 120, be arranged in above-mentioned second perforation 102.
Above-mentioned first rotary supporting part 110 comprises: one first cam 111 can be installed on the above-mentioned ㄇ type supporting base 100 regularly; One second cam 112; One sleeve 113, in order to coat above-mentioned first cam 111 and above-mentioned second cam 112, more steady when above-mentioned first rotary supporting part 110 is rotated; One supporting frame 114 is connected in above-mentioned second cam 112, can rotate synchronously with above-mentioned second cam 112; One pad 115; One first resilient member 116 can be a spring in the present embodiment, uses so that above-mentioned first cam 111 and above-mentioned second cam, 112 mutual contacts; An and hollow main shaft member 117, pass above-mentioned first resilient member 116, above-mentioned pad 115, above-mentioned supporting frame 114, above-mentioned second cam 112 in regular turn, reach above-mentioned first cam 111, and pass above-mentioned first perforation 101, be fixed in above-mentioned ㄇ type supporting base 100 with pivot joint.
Above-mentioned second rotary supporting part 120 comprises: one the 3rd cam 121 can be installed in above-mentioned second perforation 102 of above-mentioned ㄇ type supporting base 100 regularly; One four-cam 122 is arranged in above-mentioned second perforation 102 of above-mentioned ㄇ type supporting base 100 rotationally; One second resilient member 123 can be a spring in the present embodiment, uses so that above-mentioned the 3rd cam 121 and above-mentioned four-cam 122 mutual contacts; One side shaft member 124 passes above-mentioned second resilient member 123, above-mentioned four-cam 122 in regular turn, reaches above-mentioned the 3rd cam 121, and passes above-mentioned second perforation 102; One spacing stop member 125 is coupling regularly on above-mentioned side shaft member 124, with so that above-mentioned side shaft member 124 in prespecified range, rotate; Reach a solid lock construction element 126, make above-mentioned side shaft member 124 articulate and be fixed in above-mentioned ㄇ type supporting base 100.In addition, above-mentioned four-cam 122 is to be coupling regularly on above-mentioned side shaft member 124, can rotate synchronously with above-mentioned side shaft member 124.
See also Fig. 3 A, above-mentioned first cam 111 has along a through hole 111A of its axis direction formation, reaches a plurality of first slide bumping 111B and the one first stopping projection 111C that form around above-mentioned through hole 111A.The height of above-mentioned a plurality of first slide bumping 111B equates, and the above-mentioned first stopping projection 111C is higher than above-mentioned a plurality of first slide bumping 111B.In addition, above-mentioned a plurality of first slide bumping 111B and the above-mentioned first stopping projection 111C are one first radial distance apart from the axle center of above-mentioned first cam 111 respectively.
See also Fig. 3 B, above-mentioned second cam 112 has along a through hole 112A of its axis direction II formation, reaches a plurality of second slide bumping 112B and the one second stopping projection 112C that form around above-mentioned through hole 112A.The height of above-mentioned a plurality of second slide bumping 112B equates, and the above-mentioned second stopping projection 112C is higher than above-mentioned a plurality of second slide bumping 112B.In addition, above-mentioned a plurality of second slide bumping 112B and the above-mentioned second stopping projection 112C are one second radial distance apart from the axle center of above-mentioned second cam 112 respectively.
Moreover, the axis coinciding of the axle center of above-mentioned first cam 111 and above-mentioned second cam 112, and above-mentioned first radial distance equates with above-mentioned second radial distance.
In pivot device, above-mentioned first cam 111 and above-mentioned second cam 112 are subjected to the pressure of above-mentioned first resilient member 116 and mutual contact at twin shaft of the present utility model.When above-mentioned supporting frame 114 rotates with respect to above-mentioned ㄇ type supporting base 100, because slide bumping 111A, 111B, 112A, the 112B two ends on glide direction are formed with domatic S, and the distance that stopping projection 111C, 112C compress first resilient member 116 each other during contact is positioned at the permissible range of resilient member compression, so when first cam 111 relatively rotates with above-mentioned second cam 112, stopping projection can the contact slide bumping continues to slide, simultaneously and in order to produce torsion.Moreover, when above-mentioned supporting frame 114 rotates when making the second stopping projection 112C contact of the first stopping projection 111C of above-mentioned first cam 111 and above-mentioned second cam 112 with respect to above-mentioned ㄇ type supporting base 100, because stopping projection 111C, the 112C two ends on glide direction are not formed with domatic, and if stopping projection 111C, 112C contact each other, its distance of compressing first resilient member 116 exceeds the permissible range of resilient member compression, so make above-mentioned supporting frame 114 can't be rotated further with respect to above-mentioned ㄇ type supporting base 100.
Similar above-mentioned first cam 111 of the mode of operation of above-mentioned the 3rd cam 121 and above-mentioned four-cam 122 and above-mentioned second cam 112, but on above-mentioned the 3rd cam 121 and above-mentioned four-cam 122, do not form stopping projection, therefore, as shown in Figure 4, the mode that limits the rotating range of the side shaft member 124 in above-mentioned second rotary supporting part 120 is to utilize a spacing stop member 125, wherein be formed centrally the perforation of non-circular (for example square), can be coupling regularly on above-mentioned side shaft member 124, so that above-mentioned spacing stop member 125 can't rotate with respect to above-mentioned side shaft member 124, and divide in second perforation, 102 the circumferential upper part of above-mentioned ㄇ type supporting base 100 and to form defining flange 131, when above-mentioned side shaft member 124 rotates, above-mentioned spacing stop member 125 can be blocked by above-mentioned defining flange 131 after above-mentioned side shaft member 124 rotates an angle, with so that above-mentioned side shaft member 124 in prespecified range, rotate.
Below, the mode of above-mentioned second rotary supporting part 120 of assembling is described, at first, the part of relevant above-mentioned the 3rd cam 121 is described, as shown in Figure 5, be formed with fixed block 132 on the inner circumferential of above-mentioned second perforation 102, it is circular making above-mentioned the 3rd cam 121 form its circumference non-simultaneously, and the containing space that makes said fixing piece 132 form just can ccontaining regularly above-mentioned the 3rd cam 121.
At last, please consult Fig. 2 again, the part of relevant above-mentioned four-cam 122 is described, be formed with the perforation of non-circular (for example square) at the center of above-mentioned four-cam 122, can be coupling regularly on above-mentioned side shaft member 124, above-mentioned four-cam 122 can't be rotated with respect to above-mentioned side shaft member 124.Then, as above-mentioned, utilize second resilient member 123 to make above-mentioned the 3rd cam 121 and above-mentioned four-cam 122 mutual contacts.At last, and utilize a solid lock construction element 126 (for example e-ring) that above-mentioned side shaft member 124 is articulated at the end of above-mentioned side shaft member 124 to be fixed in above-mentioned ㄇ type supporting base 100.
The above only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this.According to change and the replacement that claim of the present utility model and description are made, all belong in the utility model patent covering scope.
Claims (9)
1. a twin shaft is to pivot device, comprise a ㄇ type supporting base, be formed with one first perforation along a first axle direction in the centre of this ㄇ type supporting base, and on the dual side-edge of this ㄇ type supporting base, be formed with respectively along with one second perforation of one second axial direction of this first axle direction quadrature and one the 3rd perforation, one first rotary supporting part, be arranged at this first perforation and go up, reach one second rotary supporting part, be arranged in this second perforation, it is characterized in that:
This first rotary supporting part comprises:
One first cam, can be installed on regularly on this ㄇ type supporting base, this first cam has a through hole that forms along its axis direction, and centering on a plurality of first slide bumpings and one first stopping projection that this through hole forms, these a plurality of first slide bumpings and this first stopping projection are one first radial distance apart from the axle center of this first cam respectively;
One second cam, has a through hole that forms along its axis direction, and centering on a plurality of second slide bumpings and one second stopping projection that this through hole forms, these a plurality of second slide bumpings and this second stopping projection are one second radial distance apart from the axle center of this second cam respectively;
One supporting frame is connected in this second cam, can rotate synchronously with this second cam;
One first resilient member is used so that this first cam and the mutual contact of this second cam; And
One hollow main shaft member passes this first resilient member, this supporting frame, this second cam in regular turn, reaches this first cam, and passes this first perforation, is fixed in this ㄇ type supporting base with pivot joint,
Wherein, this first radial distance equates with this second radial distance.
2. twin shaft as claimed in claim 1 is characterized in that to pivot device this second rotary supporting part comprises:
One the 3rd cam can be installed in this second perforation of this ㄇ type supporting base regularly;
One four-cam is arranged in this second perforation of this ㄇ type supporting base rotationally;
One second resilient member is used so that the 3rd cam and the mutual contact of this four-cam; And
One side shaft member, pass this second resilient member, this four-cam in regular turn, reach the 3rd cam, and pass this second perforation, be fixed in this ㄇ type supporting base with pivot joint, and this four-cam is coupling regularly on this side shaft member, can rotate synchronously with this side shaft member.
3. twin shaft as claimed in claim 1 is characterized in that to pivot device the height of these a plurality of first slide bumpings equates, and this first stopping projection is higher than this a plurality of first slide bumpings.
4. twin shaft as claimed in claim 1 is characterized in that to pivot device the height of these a plurality of second slide bumpings equates, and this second stopping projection is higher than this a plurality of second slide bumpings.
5. twin shaft as claimed in claim 1 is characterized in that to pivot device, also comprises a spacing stop member, be coupling regularly on this side shaft member, with so that this side shaft member in prespecified range, rotate.
6. twin shaft as claimed in claim 1 is characterized in that to pivot device this first resilient member is a spring.
7. twin shaft as claimed in claim 1 is characterized in that to pivot device this second resilient member is a spring.
8. twin shaft as claimed in claim 1 is characterized in that to pivot device this second perforated interior is formed with fixed block, in order to ccontaining the 3rd cam regularly.
9. twin shaft as claimed in claim 1 is characterized in that to pivot device, also comprises a sleeve, in order to coat this first cam and this second cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200032818U CN201982478U (en) | 2011-01-07 | 2011-01-07 | Biaxial hinge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200032818U CN201982478U (en) | 2011-01-07 | 2011-01-07 | Biaxial hinge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982478U true CN201982478U (en) | 2011-09-21 |
Family
ID=44609940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200032818U Expired - Fee Related CN201982478U (en) | 2011-01-07 | 2011-01-07 | Biaxial hinge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201982478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI750986B (en) * | 2020-12-31 | 2021-12-21 | 兆利科技工業股份有限公司 | A biaxial hinge structure and a shell cover module using the same |
-
2011
- 2011-01-07 CN CN2011200032818U patent/CN201982478U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI750986B (en) * | 2020-12-31 | 2021-12-21 | 兆利科技工業股份有限公司 | A biaxial hinge structure and a shell cover module using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20140107 |