CN102691718A - Bi-axial pivot device - Google Patents
Bi-axial pivot device Download PDFInfo
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- CN102691718A CN102691718A CN2011100757893A CN201110075789A CN102691718A CN 102691718 A CN102691718 A CN 102691718A CN 2011100757893 A CN2011100757893 A CN 2011100757893A CN 201110075789 A CN201110075789 A CN 201110075789A CN 102691718 A CN102691718 A CN 102691718A
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Abstract
A bi-axial pivot device comprises a reversed U-shaped support pedestal; a first through hole is formed along a first axis direction at the center of the reversed U-shaped support pedestal; a second through hole and a third through hole are respectively formed along a second axis direction orthogonal to the first axis direction at the two sides of the reversed U-shaped support pedestal; a first rotating support part is disposed on the first through hole; a second rotating support part is disposed on the second through hole; a plurality of sliding lugs and a stopping lug are respectively formed on tracks with different radial distances from a shaft center of a cam of the first rotating support part, and thus the rotating range of the first rotating support part is limited. The invention can prevent an electronic device using the bi-axial pivot device from wire twisting or fracture, and can prevent wire from being worn.
Description
Technical field
The present invention relates to is a kind of pivot device, particularly relates to a kind of twin shaft to pivot device.
Background technique
At present, the portable electronic equipment of many kinds in order to let 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 known devices.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 known technology.For example, see also Fig. 1, Fig. 1 is a kind of stereogram of known pivot device.As shown in Figure 1, known 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 install 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 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 formed at the madial wall of 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; Limit above-mentioned further vertical shaft 31 rotations relatively of frame 20 that horizontally rotate by this, in order to avoid the body of electronic equipment and the kink of the circuit between screen are ruptured.
But; Because above-mentioned known 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 possibly pass through the path that limiting stopper 331 rotates, thereby can when limiting stopper 331 rotates, be worn, and cause electronic device failure.
Summary of the invention
In view of this, in order to overcome the problem of known devices, the object of the present invention is to provide a kind of twin shaft to pivot device, 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 invention 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 is arranged in above-mentioned first perforation; And one second rotary supporting part, be arranged in above-mentioned second perforation.Wherein, Above-mentioned first rotary supporting part can comprise: one first cam; Can be installed on regularly on the above-mentioned ㄇ type supporting base; Above-mentioned first cam has one first through hole that forms along its axis direction, and centers on several first slide bumpings and one first stopping projection that above-mentioned first through hole forms; One second cam has one second through hole that forms along its axis direction, and centers on several second slide bumpings and one second stopping projection that above-mentioned second through hole forms; One supporting frame is connected in above-mentioned second cam, can rotate synchronously with above-mentioned second cam; One first resilient member, with so that above-mentioned first cam and above-mentioned second cam push up each other to; And a hollow main shaft member, pass above-mentioned first resilient member, above-mentioned supporting frame, above-mentioned second cam in regular turn, reach above-mentioned first cam, and pass above-mentioned first perforation, be fixed in above-mentioned ㄇ type supporting base with pivot joint; Moreover; Above-mentioned first slide bumping and above-mentioned second slide bumping are sliding on a sliding rail of one first radial distance with the axle center of above-mentioned first cam and the axle center of above-mentioned second cam respectively, and above-mentioned first stopping projection and above-mentioned second stopping projection are sliding on a stop track of one second radial distance with the axle center of above-mentioned first cam and the axle center of above-mentioned second cam respectively.And above-mentioned first radial distance is different with above-mentioned second radial distance.
In addition, above-mentioned second rotary supporting part can comprise: 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, with so that above-mentioned the 3rd cam and above-mentioned four-cam push up each other to; An and 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 rotates synchronously with above-mentioned side shaft member.
According to a characteristic of the present invention, the protruding end face of the protruding end face of above-mentioned first stopping projection and above-mentioned second stopping projection respectively can be neat with the protruding end face of above-mentioned first slide bumping and above-mentioned second slide bumping etc.
According to another characteristic of the invention, above-mentioned first radial distance can be greater than or less than above-mentioned second radial distance.
According to another characteristic of the invention, twin shaft also can comprise a spacing stop member to pivot device, be coupling regularly on above-mentioned side shaft member, with so that above-mentioned side shaft member in prespecified range, rotate.
According to a characteristic more of the present invention, 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 characteristic of the present invention, above-mentioned first resilient member and above-mentioned second resilient member can be spring.
According to a further characteristic of the present invention; The position of above-mentioned first cam can have a height difference in the camming surface and the position at sliding rail place between the camming surface at stop track place; And the position of above-mentioned second cam also can have a height difference in the camming surface and the position at sliding rail place between the camming surface at stop track place.
In practical application of the present invention, the circuit of electronic equipment can be bored a hole through above-mentioned hollow main shaft member and the 3rd, and is the screen of installing electronic equipment with above-mentioned supporting frame.The present invention can make link tester can not be worn when crossing above-mentioned hollow main shaft member and the 3rd perforation through being arranged in order to the stopping projection that limits above-mentioned supporting frame slewing area on the cam.
Description of drawings
Shown in Figure 1 is a kind of three-dimensional exploded view of known pivot device.
The three-dimensional exploded view that is twin shaft of the present invention to an embodiment of pivot device shown in Figure 2.
Fig. 3 A and Fig. 3 B illustrate first cam of twin shaft of the present invention in pivot device and the stereogram of second cam respectively according to an embodiment.
Fig. 4 A and Fig. 4 B illustrate first cam of twin shaft of the present invention in pivot device and the stereogram of second cam respectively according to another embodiment.
Fig. 5 is the partial enlarged drawing that illustrates second rotary supporting part of twin shaft of the present invention in pivot device according to an embodiment.
Fig. 6 illustrates the second perforated interior schematic representation of twin shaft of the present invention in the ㄇ of pivot device type supporting base according to an embodiment.
Reference character:
Embodiment
Consult Fig. 2 to Fig. 6 below the embodiment of twin shaft of the present invention to pivot device is described.
See also Fig. 2, the three-dimensional exploded view that is twin shaft of the present invention to an embodiment of pivot device shown in Figure 2.As shown in Figure 2; Twin shaft of the present invention 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 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, 102 and 1 the 3rd perforation 103 of one second axial direction of this first axle direction quadrature; One first rotary supporting part 110 is arranged in this first perforation 101; And one second rotary supporting part 120, be arranged in this second perforation 102.Wherein, this first rotary supporting part 110 comprises: one first cam 111, can be installed on regularly on this ㄇ type supporting base 100, and this first cam 111 has several first slide bumping 111A and one first stopping projection 111B; One second cam 112 has several second slide bumping 112A and one second stopping projection 112B; One supporting frame 113 is connected in this second cam 112, can rotate synchronously with this second cam 112; One pad 114; One first resilient member 115, with so that this first cam 111 and this second cam 112 support on the top each other; And a hollow main shaft member 116, pass this first resilient member 115, this pad 114, this supporting frame 113, this second cam 112 in regular turn, reach this first cam 111, and pass this first perforation 101, be fixed in this ㄇ type supporting base 100 with pivot joint.In addition, 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, with so that above-mentioned the 3rd cam 121 and above-mentioned four-cam 122 support on the top each other; One side shaft member 124; Pass above-mentioned second resilient member 123, above-mentioned four-cam 122, and above-mentioned the 3rd cam 121 in regular turn; And pass above-mentioned second and bore a hole 102; Be fixed in above-mentioned ㄇ type supporting base 100 with pivot joint, and above-mentioned four-cam 122 is coupling regularly on above-mentioned side shaft member 124, can rotates synchronously with above-mentioned side shaft member 124.
Moreover; Above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A are sliding on a sliding rail of one first radial distance with the axle center of above-mentioned first cam 111 and the axle center of above-mentioned second cam 112 respectively, and above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B are sliding on a stop track of one second radial distance with the axle center of above-mentioned first cam 111 and the axle center of above-mentioned second cam 112 respectively.Above-mentioned first radial distance can be greater than or less than above-mentioned second radial distance.
See also Fig. 3 A and Fig. 3 B, it is respectively when first cam 111 and the stereogram of second cam 112 of above-mentioned first radial distance during greater than above-mentioned second radial distance.
Shown in Fig. 3 B, above-mentioned first cam 111 is to have the through hole 111C that forms along its axis direction, and several the first slide bumping 111A and the one first stopping projection 111B that form around above-mentioned through hole 111C.The above-mentioned first slide bumping 111A slides on a sliding rail in the outside on the camming surface of above-mentioned first cam 111, and the above-mentioned first stopping projection 111B slides on a stop track of the inboard on the camming surface of above-mentioned first cam 111.
Similarly, shown in Fig. 3 A, above-mentioned second cam 112 is to have the through hole 112C that forms along its axis direction, and several the second slide bumping 112A and the one second stopping projection 112B that form around above-mentioned through hole 112C.The above-mentioned second slide bumping 112A slides on a sliding rail in the outside on the camming surface of above-mentioned second cam 112, and the above-mentioned second stopping projection 112B slides on a stop track of the inboard on the camming surface of above-mentioned second cam 112.
When above-mentioned first cam 111 is assembled in twin shaft of the present invention to pivot device with above-mentioned second cam 112; Its axis coinciding; Make above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A against each other, and the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B are against each other.Above-mentioned first cam 111 and above-mentioned second cam 112 be receive above-mentioned first resilient member 115 pressure and each other the top support.
When above-mentioned supporting frame 113 rotates with respect to above-mentioned ㄇ type supporting base 100; Because the above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A are formed with on two sides of sliding rail direction domatic at it respectively; Even and above-mentioned first slide bumping 111A top is when supporting the above-mentioned second slide bumping 112A, its distance of compressing first resilient member 115 still is positioned at the permissible range of first resilient member, 115 compressions.
So when above-mentioned first cam 111 relatively rotates with above-mentioned second cam 112; As long as the above-mentioned first stopping projection 111B does not contact with the above-mentioned second stopping projection 112B as yet, the above-mentioned first slide bumping 111A can push up to the above-mentioned second slide bumping 112A and continue to slide.
When the above-mentioned first stopping projection 111B touches the above-mentioned second stopping projection 112B; Owing to all be not formed with domatic at the edge of the above-mentioned first stopping projection 111B and the edge of the above-mentioned second stopping projection 112B; So can the edge of two stopping projections contact push up each other to, make above-mentioned first cam 111 can't continue to relatively rotate with above-mentioned second cam 112.
Particularly; Can provide the position that makes above-mentioned first cam 111 between the camming surface at stop track place, to wait neat each other in the camming surface and the position at sliding rail place; And; The position of above-mentioned second cam 112 is waited neat between the camming surface at stop track place in the camming surface and the position at sliding rail place each other; That is above-mentioned first slide bumping 111A and the above-mentioned first stopping projection 111B are provided on the camming surface of sustained height position and the above-mentioned second slide bumping 112A and the above-mentioned second stopping projection 112B are provided on the camming surface of sustained height position.
At this moment; Can by the height that the height that makes the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B are provided and greater than the height of the above-mentioned first slide bumping 111A and greater than the height of the above-mentioned second slide bumping 112A; When avoiding being in the state that offsets up and down because of the above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A, a height difference between the two make above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B stagger up and down just and can't push up each other to.
So, can guarantee when the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B near the time, the edge of its contact can push up each other to, make above-mentioned first cam 111 can't continue to relatively rotate with above-mentioned second cam 112.
In addition; Can provide make the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B near and when the top is supported each other; Above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A also arrive to dead slot position (recess between projection and the projection) each other just; And make above-mentioned first cam 111 mesh with above-mentioned second cam 112 with linking closely; So that the height difference between the first slide bumping 111A and the second slide bumping 112A is little (if both mesh fully, then height difference is regarded as 0).
So, can make equally the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B its edge that contacts can push up each other to, make above-mentioned first cam 111 can't continue to relatively rotate with above-mentioned second cam 112.
At this moment, the protruding end face of the above-mentioned first stopping projection 111B can be provided with the protruding end face of the above-mentioned first slide bumping 111A etc. neat, and the protruding end face of the above-mentioned second stopping projection 111B can be provided with the protruding end face of the above-mentioned second slide bumping 111A etc. neat.Make that by this protruding end face of each slide bumping and each stopping projection all can push up and arrive to corresponding camming surface, makes overall structure more firm when above-mentioned first cam 111 meshed with above-mentioned second cam 112 with linking closely.
Preferably; Shown in Fig. 3 A and Fig. 3 B; The position of above-mentioned first cam 111 can have a height difference in the camming surface and the position at sliding rail place between the camming surface at stop track place; And; The position of above-mentioned second cam 112 the camming surface at sliding rail place with between the camming surface at stop track place, can have a height difference, that is, the above-mentioned first slide bumping 111A and the above-mentioned first stopping projection 111B are provided on the camming surface of different heights position and and are provided on the camming surface of different heights position above-mentioned second slide bumping 112A and the above-mentioned second stopping projection 112B.
Have a height difference by making between above-mentioned sliding rail and the above-mentioned stop track, can avoid not co-orbital projection interfering with each other when sliding, make above-mentioned first cam 111 and relatively rotating of above-mentioned second cam 112 keep smooth and easy.Moreover, also help the meshing engagement structure of above-mentioned first cam 111 and above-mentioned second cam 112 more firm and accurate, and be difficult for that inclination is arranged.
Secondly, see also Fig. 4 A and Fig. 4 B, its respectively shown in when first cam 111 and the stereogram of second cam 112 of above-mentioned first radial distance during less than above-mentioned second radial distance.
Shown in Fig. 4 B, above-mentioned first cam 111 is to have the through hole 111C that forms along its axis direction, and several the first slide bumping 111A and the one first stopping projection 111B that form around above-mentioned through hole 111C.The above-mentioned first slide bumping 111A slides on a sliding rail of the inboard on the camming surface of above-mentioned first cam 111, and the above-mentioned first stopping projection 111B slides on a stop track in the outside on the camming surface of above-mentioned first cam 111.
Similarly, shown in Fig. 4 A, above-mentioned second cam 112 is to have the through hole 112C that forms along its axis direction, and several the second slide bumping 112A and the one second stopping projection 112B that form around above-mentioned through hole 112C.The above-mentioned second slide bumping 112A slides on a sliding rail of the inboard on the camming surface of above-mentioned second cam 112, and the above-mentioned second stopping projection 112B slides on a stop track in the outside on the camming surface of above-mentioned second cam 112.
When above-mentioned first cam 111 is assembled in twin shaft of the present invention to pivot device with above-mentioned second cam 112; Its axis coinciding; Make above-mentioned first slide bumping 111A and the above-mentioned second slide bumping 112A against each other, and the above-mentioned first stopping projection 111B and the above-mentioned second stopping projection 112B are against each other.Do not have between different and sliding rail and the stop track except the relative position that forms slide bumping and stopping projection the height difference (on same plane); About in the present embodiment first cam and the mode of operation of second cam are caught up with structure and its restriction of stating slide bumping and stopping projection; Close with top Fig. 3 A and Fig. 3 B illustrated example of cooperating, so no longer repeat specification.
In addition, according to one embodiment of the invention, above-mentioned first stopping projection 111B and the length of the above-mentioned second stopping projection 112B on circumference are respectively 1/8th of circumferential length.So, make that above-mentioned first cam 111 and above-mentioned second cam, 112 relatively turnable angles are 270 degree.Four of circumferential length/for the moment, then relatively turnable angle is 180 degree if above-mentioned first stopping projection 111B and the length of the above-mentioned second stopping projection 112B on circumference are respectively.
Secondly, according to Fig. 3 A and Fig. 3 B, the length of two first slide bumping 111A on circumference is respectively 1/4th and 1/8th of circumferential length.The length of two second slide bumping 112A on circumference is respectively 1/4th and 1/8th of circumferential length.So, first cam 111 and second cam 112 are rotating to the ground interlock of can linking closely when relative 0 degree and 270 is spent.
According to Fig. 4 A and Fig. 4 B, the length of four first slide bumping 111A on circumference is all 1/4th of circumferential length respectively.The length of four second slide bumping 112A on circumference is all 1/4th of circumferential length respectively.So, first cam 111 and second cam 112 are rotating to relative 0 degree, 90 degree, 180 degree, and 270 ground interlocks of can linking closely when spending.
By this, first cam 111 and second cam 112 positioning action on special angle when relatively rotating can be provided.Certainly, the present invention is not limited to this, the optionally and arbitrarily adjustment of stopping projection and the slide bumping length on circumference.
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 5, 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 is 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 the circumferential upper part of second perforation 102 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, uses that above-mentioned side shaft member 124 is rotated in prespecified range.
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 6; On the internal circumference of above-mentioned second perforation 102, be formed with fixed block 132, 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 that above-mentioned the 3rd cam 121 and above-mentioned four-cam 122 are supported on the top mutually.At last; And utilize a solid lock construction element (for example E type ring (e-ring)) 126 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, so can to accomplish the assembling of twin shaft of the present invention to second rotary supporting part (side shaft part) of pivot device.
According to above-mentioned, the present invention can provide respectively at two of the quadrature twin shafts that rotate on axially to pivot device, through spacing stopper element is incorporated in the cam, can avoids the use of this twin shaft and be worn to the circuit of the electronic equipment of pivot device.Moreover, be utilized in the stopping projection that slide bumping and restriction cam rotation scope are set respectively on the track of different radial distances of camming surface, can improve the reliability of twin shaft to pivot device.
The above is merely preferred embodiment of the present invention, can not limit the scope that the present invention implements with this.Those of ordinary skill under any in the technical field when can changing arbitrarily and retouching, and does not break away from the spirit and scope of the present invention.
Claims (10)
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 and one the 3rd perforation of one second axial direction of this first axle direction quadrature; One first rotary supporting part is arranged in this first perforation; And 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 is installed on this ㄇ type supporting base regularly, and this first cam has one first through hole that forms along its axis direction, and centers on several first slide bumpings and one first stopping projection that this first through hole forms;
One second cam has one second through hole that forms along its axis direction, and centers on several second slide bumpings and one second stopping projection that this second through hole forms;
One supporting frame is connected in this second cam, rotates synchronously with this second cam;
One first resilient member, with so that this first cam and this second cam push up each other to; 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 slide bumping and this second slide bumping are sliding on a sliding rail of one first radial distance with the axle center of this first cam and the axle center of this second cam respectively; This first stopping projection and this second stopping projection are sliding on a stop track of one second radial distance with the axle center of this first cam and the axle center of this second cam respectively
Wherein, this first radial distance is different with second radial distance.
2. twin shaft according to claim 1 is to pivot device, and wherein, this second rotary supporting part comprises:
One the 3rd cam is 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, with so that the 3rd cam and this four-cam push up each other to; 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, rotates synchronously with this side shaft member.
3. twin shaft according to claim 1 is to pivot device, and wherein, the protruding end face of this first stopping projection and the protruding end face of this first slide bumping etc. are neat.
4. twin shaft according to claim 1 is to pivot device, and wherein, the protruding end face of this second stopping projection and the protruding end face of this second slide bumping etc. are neat.
5. twin shaft according to claim 1 is to pivot device, and wherein, this first radial distance is greater than second radial distance.
6. twin shaft according to claim 1 is to pivot device, and wherein, this first radial distance is less than second radial distance.
7. twin shaft according to claim 2 also comprises a spacing stop member to pivot device, be coupling regularly on this side shaft member, with so that this side shaft member in prespecified range, rotate.
8. twin shaft according to claim 1 is to pivot device, and wherein, the position of this first cam has a height difference in the camming surface and the position at this sliding rail place between the camming surface at this stop track place.
9. twin shaft according to claim 1 is to pivot device, and wherein, the position of this second cam is to have a height difference in the camming surface and the position at this sliding rail place between the camming surface at this stop track place.
10. twin shaft according to claim 2 is to pivot device, and wherein, this second perforated interior is formed with fixed block, in order to ccontaining the 3rd cam regularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100757893A CN102691718A (en) | 2011-03-23 | 2011-03-23 | Bi-axial pivot device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100757893A CN102691718A (en) | 2011-03-23 | 2011-03-23 | Bi-axial pivot device |
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| CN102691718A true CN102691718A (en) | 2012-09-26 |
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| CN2011100757893A Pending CN102691718A (en) | 2011-03-23 | 2011-03-23 | Bi-axial pivot device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688145A (en) * | 2020-12-31 | 2022-07-01 | 兆利科技工业股份有限公司 | Double-axial pivot structure and shell cover module using same |
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| CN101185046A (en) * | 2005-05-28 | 2008-05-21 | P.K.技术有限会社 | Hinge apparatus |
| CN2859059Y (en) * | 2005-11-07 | 2007-01-17 | 兆利科技工业股份有限公司 | Rotary axle construction capable of automatic reply and rotation |
| CN201047385Y (en) * | 2007-04-26 | 2008-04-16 | 新日兴股份有限公司 | Pivotal device |
| TWM352875U (en) * | 2008-07-09 | 2009-03-11 | Jarllytec Co Ltd | Combined dual-axial hinge device |
| CN201318385Y (en) * | 2008-12-19 | 2009-09-30 | 锠德股份有限公司 | Limit |
| CN201368118Y (en) * | 2009-03-27 | 2009-12-23 | 锠德股份有限公司 | Multiple limiting structure of hinge device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688145A (en) * | 2020-12-31 | 2022-07-01 | 兆利科技工业股份有限公司 | Double-axial pivot structure and shell cover module using same |
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Application publication date: 20120926 |