CN201696470U - Hub device with labor saving device - Google Patents
Hub device with labor saving device Download PDFInfo
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- CN201696470U CN201696470U CN2010201724633U CN201020172463U CN201696470U CN 201696470 U CN201696470 U CN 201696470U CN 2010201724633 U CN2010201724633 U CN 2010201724633U CN 201020172463 U CN201020172463 U CN 201020172463U CN 201696470 U CN201696470 U CN 201696470U
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- labour
- saving device
- cam
- axial region
- pressuring piece
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Abstract
The utility model relates to a hub device with a labor saving device. The labor saving device arranged between a shaft portion and a base of a rotary shaft of the hub device at least comprises an elastic element, a first compressing part and a first cam, and the elastic element deforms to generate elastic force by displacement of the first compressing part. Additionally, the first cam is provided with a non-circular hole for the shaft portion to penetrate through, so that the first cam and the shaft portion can rotate together, and the first cam moves for different distances relative to the first compressing part by the aid of rotations of the shaft portion in different angles. Thereby, acting force for labor saving is generated when the hub device is started, and closing force for automatic closing is generated when the hub device is closed.
Description
Technical field
The utility model refers to a kind of pivot with labour-saving device especially about a kind of pivot, is used in the folding electronic product being fit to, and makes the user can open easily, but but have supported folding formula electronic product on be placed on operating angle and can not glide automatically.
Background technique
In the at present general folding electronic product, as notebook computer etc., the pivot of used connection loam cake (display screen) and body (keypad portion) roughly can be divided into two kinds of styles, and first kind is elastic component to be set to produce the pivot of identical normal torsion in rotating shaft; Second kind is to have increased by one group of concavo-convex wheel assembly to reach the pivot of auto-closing function in rotating shaft.
The pivot of first kind of normal torsion, when the relative body of loam cake of folding electronic product was opened, its torsion was to keep certain constant.The pivot of second kind of tool auto-closing function then has higher torsion when closed angle, opens voluntarily to prevent loam cake, but loam cake other angular orientations in unlatching or shutoff stroke, then torsion also is to keep certain.
Because folding electronic product loam cake must be able to make pivot must have suitable torsion could support loam cake in each angular positioning when opening.Yet the design of known pivot when the user opens (for example loam cake is opened 0～90 degree) in the leading portion angle that is not to use usually, must consume suitable strength and just can finish.If open the torsion that lowers pivot easily for taking into account, so, open the operating angles that surpass 90 degree at loam cake, for example 120 when spending, and it is not enough that support force then easily takes place, and causes the loam cake problem of downslide automatically.
Therefore, how designing a kind of is to have the labour-saving function in unlatching, but still has enough torsion to support the pivot of loam cake in operating angle, is to be the main design improved emphasis of the utility model.
Summary of the invention
At the shortcoming of known techniques, the purpose of this utility model has been to provide a kind of pivot of tool labour-saving device, and it can provide the auxiliary of labour-saving device when electronic equipment opens and closes, thereby can easily open and closure.
For achieving the above object, the utility model discloses a kind of pivot of tool labour-saving device, be arranged at one and have in the folding-type electronic device of a loam cake and a body; It is characterized in that comprising:
One rotating shaft has an a junction and a non-circular axial region, and this joint is arranged at an end of this axial region;
One support is fixed in this loam cake, and together rotates with this rotating shaft with this joint winding;
One base is fixed in this body;
One labour-saving device, have one with the affixed pedestal of this base, an elastic element is set in this pedestal, and is provided with one in a side and can displacement oppresses this elastic element distortion to produce first pressuring piece and one first cam of elastic force; In addition, thus this first cam has one together to rotate for this axial region passes and rotates by the different amount of this axial region and make this first cam produces different distance to this first pressuring piece displacement produce the non-circular hole of labour-saving active force when this base is opened relatively at this support;
One elastic component is arranged on this axial region; And
Be combined in so that this elastic component is oppressed this cam and make this axial region can rotate to the fixing device of unspecified angle location on this axial region thereby one is combined in this axial region the other end.
Wherein, the first triangle protuberance that has an evagination on the first cam periphery of this labour-saving device, thereby and this first pressuring piece have with bigger first inclined side of a gradient and the second less inclined side of a gradient constitute closed and contact when opening this first triangle protuberance make this support produce closing force when this base is closed relatively and when being opened into one first angle this closing force disappear and produce actuating part, first oblique angle with opening angle increases the labour-saving active force that successively decreases and this labour-saving active force disappears during to one second angle.
Wherein, this labour-saving device further has one can displacement oppress this elastic element distortion producing second pressuring piece and one second cam of elastic force, is arranged at the opposite side of this pedestal with respect to this first pressuring piece and first cam; In addition, thus this second cam have one together rotate for this axial region passes and by these axial region different amount rotate make this second cam produces different distance to this second pressuring piece displacement this support relatively this base this second cam when third angle degree that surpass 90 degree are opened into maximum opening angle promote the non-circular hole of the rotary torsion that this second pressuring piece displacement increases progressively with generation.
Wherein, the second triangle protuberance that has an evagination on the second cam periphery of this labour-saving device, thus and this second pressuring piece has with what bigger first inclined side of a gradient and the second less inclined side of a gradient constituted and makes this second triangle protuberance pass this second pressuring piece along this first inclined side when being opened into maximum opening angle with this second triangle protuberance to make relative this base of this support produce the actuating part, second oblique angle of the rotary torsion that increases progressively when this third angle degree is opened into maximum opening angle.
Wherein, has a circular hole that supplies this axial region to pass on the pedestal of this labour-saving device.
Wherein, the pedestal of this labour-saving device has a pair of elongated slot, thereby and passes this elongated slot respectively and this first and second pressuring piece makes this first and second pressuring piece along this elongated slot direction displacement with a pair of pivot nail.
Wherein, the elastic element of this labour-saving device is a pressure spring, the one end is fixed on the projection that is provided with on this pedestal, the other end is by the actuating part, first oblique angle of this first pressuring piece and second pressuring piece and actuating part, second oblique angle relative one first edge and the compressing of second edge, and this first edge and second edge is respectively equipped with one first short column and second short column stretches in this pressure spring.
Wherein, increased by one group of friction wheel on the axial region of this rotating shaft; And the pedestal of labour-saving device is a ㄩ type structure, and this pedestal coats this elastic element with an overcoat and reaches in the inner energy displacement of this overcoat so that this elastic element produces first pressuring piece of distortion elastic force.
Wherein, the axial region of this rotating shaft is provided with a pair of auto-closing that can produce to strengthen the concavo-convex wheel assembly of auto-closing function.
Pass through said structure, the pivot of tool labour-saving device of the present utility model, utilized a labour-saving device, make folding electronic product tool auto-closing function, open more laborsaving function and loam cake and open and surpass 120 degree back torsion and can increase progressively and can not glide automatically, more convenient in the loam cake operation, more known pivot has more progressive function.
Below, structural feature of the present utility model will be described in detail according to the embodiment shown in the drawing and use effect.
Description of drawings
Fig. 1 represents the upright figure of first kind of embodiment's of the utility model group,
Fig. 2 represents first kind of embodiment's of the utility model exploded view,
Fig. 3 represents first kind of embodiment's of the utility model plan view,
Fig. 4 represents first kind of embodiment's of the utility model lateral plan,
Fig. 5 to Fig. 9 represents first kind of embodiment's of the utility model action diagram,
Figure 10 represents first kind of embodiment's of the utility model unlatching and the torque curve figure that closes,
Figure 11 represents second kind of embodiment's of the utility model exploded view,
Figure 12 represents the third embodiment's of the utility model exploded view.
Embodiment
See also Fig. 1 to shown in Figure 4, the utility model provides a kind of pivot 1 of tool labour-saving device, is set at one and has in the folding-type electronic device of a loam cake and a body (figure does not show).The pivot 1 main system of tool labour-saving device is constituted with a rotating shaft 11, a support 12, a base 13, a labour-saving device 14, an elastic component 15 and a fixing device 16.
Labour-saving device 14 is arranged between base 13 and the axial region 112, so that labour-saving active force when opening to be provided.Elastic component 15, for example combine, be set on the axial region 112, and be combined in axial region 112 the other ends with fixing device 16 with most shell fragments, make elastic component 15 compressing labour-saving devices 14 and be combined on the axial region 112, make axial region 112 can rotate to the unspecified angle location.
The main design focal point of the utility model ties up to labour-saving device 14.It is affixed with base 13 that labour-saving device 14 has a pedestal 141, an elastic element 142 is set in the pedestal 141, and in a side one first pressuring piece 143 and one first cam 144 is set, and opposite side is provided with one second pressuring piece 145 and one second cam 146.
Having a circular hole 141a on the pedestal 141 of labour-saving device 14 passes for axial region 112; Pedestal 141 also has a pair of elongated slot 141b, and passes elongated slot 141b and this first and second pressuring piece 143 and 145 respectively with a pair of pivot nail 147, makes first and second pressuring piece 143 and 145 along the displacement of elongated slot 141b direction.
The first triangle protuberance 144b that has an evagination on first cam, 144 peripheries, and first pressuring piece 143 has first oblique angle actuating part 143c that constitutes with bigger first inclined side 143a of a gradient and the second less inclined side 143b of a gradient.The first triangle protuberance 144b and first oblique angle actuating part 143c be contact action when closed and unlatching, produce closing force when making support 12 relative base 13 closed angles (for example-5 degree), and when being opened into one first angle (for example 10 degree), this closing force disappears, and generation increases the labour-saving active force that successively decreases with opening angle, during to one second angle (for example 60 degree), the first triangle protuberance 144b and first oblique angle actuating part 143c disengage, and this labour-saving active force disappears.
Similarly, second pressuring piece 145 and second cam 146 are arranged at the opposite side of this pedestal 141.The second triangle protuberance 146b that has an evagination on second cam, 146 peripheries, and second pressuring piece 145 has second oblique angle actuating part 145c that constitutes with bigger first inclined side 145a of a gradient and the second less inclined side 145b of a gradient.The second triangle protuberance 146b and second oblique angle actuating part 145c are when being opened into maximum opening angle, the second triangle protuberance 146b passes second pressuring piece 145 along this first inclined side 145a, make when support 12 relative bases 13 are opened into maximum opening angle (for example 120～180 degree) rotary torsion that increases progressively with generation.
The elastic element 142 of labour-saving device 14 is a pressure spring, the one end is fixed on the projection 141c who is provided with on the pedestal 141, the other end is by first oblique angle actuating part 143c of first pressuring piece 143 and second pressuring piece 145 and second oblique angle actuating part 145c relative one first edge 143d and second edge 145d compressing, and this first edge 143d and the second edge 145d is respectively equipped with one first short column 143e and the second short column 145e stretches in the pressure spring.
Shown action diagram of the present utility model at Fig. 5 to Fig. 9.Referring to Fig. 5, the pivot 1 of the utility model tool labour-saving device, its medium-height trestle 12 and base 13 is relative when operating position, support 12 has closed angle θ 1 with base 13 and is-5 degree, this moment, the first triangle protuberance 144b of first cam 144 was oppressed by first oblique angle actuating part 143c of first pressuring piece 143, made pivot 1 produce closing force.
Referring to Fig. 6, its medium-height trestle 12 and base 13 be relative be opened into one first angle θ 2 and be 10 degree after, the first triangle protuberance 144b summit of first cam 144 makes the closing force disappearance after breaking away from the 143c summit, actuating part, first oblique angle of first pressuring piece 143.
Referring to Fig. 7, its medium-height trestle 12 and base 13 from first angle, 10 degree are relative be opened into one second angle θ 4 and be 60 degree before, for example θ 3 is 30 when spending, the first triangle protuberance 144b of first cam 144 slides at the first bigger inclined side 143a of first pressuring piece, 143 gradients, and 143 displacements of first pressuring piece make elastic element 142 distortion produce bounce-back thrust, promotion is connected in first pressuring piece 143 of the axial region 112 of rotating shaft 11, make pivot 1 breakdown action that the labour-saving active force be arranged, and this labour-saving active force increases with opening angle and successively decreases, and helps the user and operates the convenience of opening the folding-type electronic device loam cake.
Referring to Fig. 8, relative to be opened into one second angle θ 4 be 60 o'clock at support 12 and base 13, and first triangle protuberance 144b of first cam 144 and the first inclined side 143a of first pressuring piece 143 break away from, and this labour-saving active force is disappeared.
Referring to Fig. 9, is that 120 degree are opened between maximum opening angle 180 degree again at support 12 and base 13 from a third angle degree θ 5, the second triangle protuberance 146b of second cam 146 can go up slippage along the first inclined side 145a of second pressuring piece 145, because 145 displacements of second pressuring piece increase elastic element 142 distortion generation bounce-back thrusts are also increased, axial region 112 torsion of second cam, 146 countershafts 11 are increased progressively, this can open not enough torsion by folding assisted formula electronic equipment loam cake, to avoid loam cake to glide, for example in notebook computer, after the loam cake that will have a display screen was opened into 120 degree, display screen had the good supporting dynamics and can not glide automatically.
In Figure 10, shown torsion mode chart of the present utility model, wherein torsion effectively reaches reasonable change between closed angle (5 degree), first angle (10 spend), second angle (60 degree), third angle degree (120 degree) and maximum opening angle (180 degree), obviously the utility model has utilized a labour-saving device 14, make folding electronic product tool auto-closing function, open more laborsaving function and loam cake and open and surpass 120 degree back torsion and can increase progressively and can not glide automatically, more convenient in the loam cake operation, more known pivot has more progressive function.
Referring to Figure 11, exploded view for second kind of embodiment of the utility model, itself and previous embodiment are similar, are constituted with a rotating shaft 11, a support 12, a base 13, a labour-saving device 14, an elastic component 15 and a fixing device 16, and have increased by one group of friction wheel 17; Itself and previous embodiment difference tie up in the labour-saving device 14, and pedestal 141 is a ㄩ type structure, have circular hole 141a on the pedestal 141 and pass for axial region 112; Pedestal 141 coats the elastic element 142 and first pressuring piece 143 with an overcoat 141d, and first pressuring piece 143 is movable in overcoat 141d inside, makes elastic element 142 produce distortion elastic force.
The first triangle protuberance 144b that has an evagination on first cam, 144 peripheries, and first pressuring piece 143 has first oblique angle actuating part 143c that constitutes with bigger first inclined side 143a of a gradient and the second less inclined side 143b of a gradient.The first triangle protuberance 144b and first oblique angle actuating part 143c be contact action when closed and unlatching, produce closing force when making support 12 relative base 13 closed angles (for example-5 degree), and when being opened into one first angle (for example 10 degree), this closing force disappears, and generation increases the labour-saving active force that successively decreases with opening angle, during to one second angle (for example 60 degree), the first triangle protuberance 144b and first oblique angle actuating part 143c disengage, and this labour-saving active force disappears.Such design becomes big with first pressuring piece 143 and first cam 144, can improve bigger laborsaving function.
Figure 12 is the third embodiment's of the utility model a exploded view, itself and aforementioned second kind of embodiment are similar, system is constituted with a rotating shaft 11, a support 12, a base 13, a labour-saving device 14, an elastic component 15 and a fixing device 16, and increased by one group of friction wheel 17, also increased by one group of concavo-convex wheel assembly 18 simultaneously, it is corresponding with generation auto-closing effect to have groove and projection on these concavo-convex wheel assembly 18 structures, and provides the folding electronic product of the high closing force of demand to use.
Claims (9)
1. the pivot of a tool labour-saving device is arranged at one and has in the folding-type electronic device of a loam cake and a body; It is characterized in that comprising:
One rotating shaft has an a junction and a non-circular axial region, and this joint is arranged at an end of this axial region;
One support is fixed in this loam cake, and together rotates with this rotating shaft with this joint winding;
One base is fixed in this body;
One labour-saving device, have one with the affixed pedestal of this base, an elastic element is set in this pedestal, and is provided with one in a side and can displacement oppresses this elastic element distortion to produce first pressuring piece and one first cam of elastic force; In addition, thus this first cam has one together to rotate for this axial region passes and rotates by the different amount of this axial region and make this first cam produces different distance to this first pressuring piece displacement produce the non-circular hole of labour-saving active force when this base is opened relatively at this support;
One elastic component is arranged on this axial region; And
Be combined in so that this elastic component is oppressed this cam and make this axial region can rotate to the fixing device of unspecified angle location on this axial region thereby one is combined in this axial region the other end.
2. according to the pivot of the described tool labour-saving device of claim 1, it is characterized in that, the first triangle protuberance that has an evagination on the first cam periphery of this labour-saving device, thereby and this first pressuring piece have with bigger first inclined side of a gradient and the second less inclined side of a gradient constitute closed and contact when opening this first triangle protuberance make this support produce closing force when this base is closed relatively and when being opened into one first angle this closing force disappear and produce actuating part, first oblique angle with opening angle increases the labour-saving active force that successively decreases and this labour-saving active force disappears during to one second angle.
3. according to the pivot of the described tool labour-saving device of claim 2, it is characterized in that, this labour-saving device further has one can displacement oppress this elastic element distortion producing second pressuring piece and one second cam of elastic force, is arranged at the opposite side of this pedestal with respect to this first pressuring piece and first cam; In addition, thus this second cam have one together rotate for this axial region passes and by these axial region different amount rotate make this second cam produces different distance to this second pressuring piece displacement this support relatively this base this second cam when third angle degree that surpass 90 degree are opened into maximum opening angle promote the non-circular hole of the rotary torsion that this second pressuring piece displacement increases progressively with generation.
4. according to the pivot of the described tool labour-saving device of claim 3, it is characterized in that, the second triangle protuberance that has an evagination on the second cam periphery of this labour-saving device, thus and this second pressuring piece has with what bigger first inclined side of a gradient and the second less inclined side of a gradient constituted and makes this second triangle protuberance pass this second pressuring piece along this first inclined side when being opened into maximum opening angle with this second triangle protuberance to make relative this base of this support produce the actuating part, second oblique angle of the rotary torsion that increases progressively when this third angle degree is opened into maximum opening angle.
5. according to the pivot of the described tool labour-saving device of claim 4, it is characterized in that having a circular hole that supplies this axial region to pass on the pedestal of this labour-saving device.
6. according to the pivot of the described tool labour-saving device of claim 4, it is characterized in that, the pedestal of this labour-saving device has a pair of elongated slot, thereby and passes this elongated slot respectively and this first and second pressuring piece makes this first and second pressuring piece along this elongated slot direction displacement with a pair of pivot nail.
7. according to the pivot of the described tool labour-saving device of claim 4, it is characterized in that, the elastic element of this labour-saving device is a pressure spring, the one end is fixed on the projection that is provided with on this pedestal, the other end is by the actuating part, first oblique angle of this first pressuring piece and second pressuring piece and actuating part, second oblique angle relative one first edge and the compressing of second edge, and this first edge and second edge is respectively equipped with one first short column and second short column stretches in this pressure spring.
8. according to the pivot of the described tool labour-saving device of claim 2, it is characterized in that, increased by one group of friction wheel on the axial region of this rotating shaft; And the pedestal of labour-saving device is a ㄩ type structure, and this pedestal coats this elastic element with an overcoat and reaches in the inner energy displacement of this overcoat so that this elastic element produces first pressuring piece of distortion elastic force.
9. according to the pivot of the described tool labour-saving device of claim 8, it is characterized in that the axial region of this rotating shaft is provided with a pair of auto-closing that can produce to strengthen the concavo-convex wheel assembly of auto-closing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201724633U CN201696470U (en) | 2010-04-28 | 2010-04-28 | Hub device with labor saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201724633U CN201696470U (en) | 2010-04-28 | 2010-04-28 | Hub device with labor saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696470U true CN201696470U (en) | 2011-01-05 |
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ID=43397713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201724633U Expired - Fee Related CN201696470U (en) | 2010-04-28 | 2010-04-28 | Hub device with labor saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734314A (en) * | 2011-03-30 | 2012-10-17 | 加藤电机株式会社 | Hinge device, open-closed device and portable machine |
| CN106089981A (en) * | 2016-08-22 | 2016-11-09 | 昆山万禾精密电子有限公司 | The hinge of variable torque |
-
2010
- 2010-04-28 CN CN2010201724633U patent/CN201696470U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734314A (en) * | 2011-03-30 | 2012-10-17 | 加藤电机株式会社 | Hinge device, open-closed device and portable machine |
| CN102734314B (en) * | 2011-03-30 | 2014-12-03 | 加藤电机株式会社 | Hinge device, open-closed device and portable machine |
| CN106089981A (en) * | 2016-08-22 | 2016-11-09 | 昆山万禾精密电子有限公司 | The hinge of variable torque |
| CN106089981B (en) * | 2016-08-22 | 2018-10-30 | 昆山万禾精密电子有限公司 | The hinge of variable torque |
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| 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: 20110105 Termination date: 20180428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |