CN103883610A - Synchronous drive type biaxial hinge - Google Patents
Synchronous drive type biaxial hinge Download PDFInfo
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- CN103883610A CN103883610A CN201410134893.9A CN201410134893A CN103883610A CN 103883610 A CN103883610 A CN 103883610A CN 201410134893 A CN201410134893 A CN 201410134893A CN 103883610 A CN103883610 A CN 103883610A
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- shaft
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Abstract
The invention discloses a synchronous drive type biaxial hinge which comprises a support frame, a first transmission part, a second transmission part and a transmission part. The first transmission part and the second transmission part are assembled on the support frame; the first transmission part comprises a first transmission shaft and a first spiral gear part; the second transmission part comprises a second transmission shaft and a second spiral gear part; the transmission part is assembled on the support frame and comprises a first pivot shaft and a linked spiral gear part; the linked spiral gear part comprises a first engagement area meshed with the first spiral gear part and a second engagement area meshed with the second spiral gear part; the pivot shaft, the first transmission shaft and the second transmission shaft are staggered with one another. Therefore, contact between the gear teeth can be effectively enlarged due to the staggered spiral gears, so that the synchronous drive type biaxial hinge is stably driven.
Description
Technical field
The present invention relates to hinge technical field, especially relate to a kind of with dynamic formula biaxial hinge.
Background technique
General, cover-lifting type electronic device is as notebook computer and mobile phone etc., hinge can be set between display device and body to connect display device and body, make the relative body of display device energy carry out the action of folding, provide torsion to be fixed on a special angle with the display device supporting after opening simultaneously.Early stage hinge mostly is the single axle hinge take single rotating shaft as axle center, though can reach the object that the relative body of display device is raised, but while being opened into several angle, display device and body will interfere with each other and cannot continue to open again, and have therefore greatly limited the use angle of electronic equipment.In addition, in the face of the touch control electronic device with keyboard and touching display screen being in fashion now, user is except the input of every day use keyboard, and also wishing can be oppositely superimposed with touch-control input function easy to use with the body that keyboard is set by display screen.Hence one can see that, and traditional single axle hinge cannot meet the demand in market now, and industry is developed Double-pin hinge then.
Such as, certain hinge means includes the second gear part in the part of periphery that the second rotatingshaft and that the first gear part, in the part of periphery that first rotatingshaft, that is fixed on one first framework is arranged at this first rotatingshaft is fixed on one second framework is arranged at this second rotatingshaft, this first gear part and this second gear part are intermeshed, and this first rotatingshaft and the rotation in the opposite direction simultaneously of this second rotatingshaft.In addition, the gear of this hinge means can be spur wheel or umbrella gear., this hinge means is the biaxial hinge device that utilizes spur wheel or umbrella gear.But, when spur wheel and umbrella gear not parallel with axle center between institute mate gear and while causing straight line profile of tooth between bias or its gear teeth not parallel, between its gear teeth, only can reach a contact, this some contact very easily causes shock and the friction between the gear teeth, and then causes shorten the working life of spur wheel and umbrella gear.That is the transmission of this biaxial hinge is stable not.
Summary of the invention
The object of this invention is to provide one with dynamic formula biaxial hinge, it has the comparatively stable feature of transmission.
The technical solution adopted in the present invention is: with dynamic formula biaxial hinge, include:
One supporting frame, this supporting frame includes a support body, be opened in respectively one first pivoted hole and one second pivoted hole on this support body, and be at least onely arranged in this support body and meet the portion of establishing between this first pivoted hole and this second pivoted hole, this meets the portion of establishing and includes an installing department;
One first transmission unit and one second transmission unit, this first transmission unit and this second transmission unit are installed on this supporting frame, and this first transmission unit includes first transmission shaft that is hubbed at this first pivoted hole, and one be set around the first spiral gear portion on this first transmission shaft surface take this first transmission shaft as axle center, this second transmission unit includes a second driving shaft that is hubbed at this second pivoted hole, and a second spiral gear portion that is set around this second driving shaft surface take this second driving shaft as axle center;
One transmission unit, this transmission unit be installed in this supporting frame this meet the portion of establishing, and this transmission unit includes a drive-connecting shaft that is hubbed at this installing department, and an interlock spiral gear portion of being fixed on this drive-connecting shaft, this interlock spiral gear portion have one with the first meshing zone of this first spiral gear portion engagement and relative this first meshing zone second meshing zone of engaging with this second spiral gear portion;
Described the first transmission shaft has one first outrigger shaft, and second driving shaft has second outrigger shaft parallel with this first outrigger shaft, and the drive-connecting shaft of this transmission unit have one with staggered the 3rd outrigger shaft of this first outrigger shaft and this second outrigger shaft.
Described the first transmission shaft has one first engagement portion, this first spiral gear portion have one with the first inserted part of this first engagement portion clamping.
Described the first transmission shaft has one and coordinates to limit the first limited part that this first spiral gear portion moves along this first transmission shaft against this first spiral gear portion and with this supporting frame.
Described the first transmission shaft has one first locking pedestal.
Described second driving shaft has one second engagement portion, this second spiral gear portion have one with the second inserted part of this second engagement portion clamping.
Described second driving shaft has one and coordinates to limit the second limited part that this second spiral gear portion moves along this second driving shaft against this second spiral gear portion and with this supporting frame.
Described second driving shaft has one second locking pedestal.
Described the first transmission unit includes one and is arranged in this first transmission shaft and the first torsion generating unit of the required torsion of this first transmission shaft is provided, and this second transmission unit includes one and is arranged in this second driving shaft and the second torsion generating unit of the required torsion of this second driving shaft is provided.
Described the first spiral gear portion, the second spiral gear portion and interlock spiral gear portion have respectively the spiral groove of plural same-handed direction.
The advantage that compared to the prior art the present invention had is: transmission is comparatively stable.Same dynamic formula biaxial hinge of the present invention utilizes interlaced helical gear to overcome the problem that spur wheel and umbrella gear produce because of tolerance.When spur wheel and umbrella gear not parallel with axle center between institute mate gear and while causing straight line profile of tooth between bias or its gear teeth not parallel, between its gear teeth, only can reach a contact, this some contact easily causes shock and the friction between the gear teeth, and then causes spur wheel and helical gear working life to shorten.And biaxial hinge of the present invention utilizes interlaced helical gear to improve above-mentioned shortcoming, the screw serrated form of interlaced helical gear is that a curved surface and its contact of taking turns between cog are comparatively close, thereby can effectively improve shock and the friction between the gear teeth.Simultaneously, same dynamic formula biaxial hinge of the present invention utilizes interlaced helical gear to reach the same moving of twin shaft, the screw serrated form of this interlaced helical gear has less backlash, less backlash has shorter idle stroke, in the time engaging between the gear teeth and depart from not yet each other, the next gear teeth have engaged.Therefore, thus the screw serrated form of interlaced helical gear can effectively expand wheel between cog contact stably carry out transmission.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the perspective exploded view of the same dynamic formula biaxial hinge of embodiments of the invention;
Fig. 2 is the plan view of the same dynamic formula biaxial hinge of embodiments of the invention;
Fig. 3 is that sectional view is looked on a left side of Fig. 2;
Fig. 4-1st, the first illustrative view of the same dynamic formula biaxial hinge of embodiments of the invention;
Fig. 4-2nd, the second illustrative view of the same dynamic formula biaxial hinge of embodiments of the invention.
In figure:
1, supporting frame, 11, support body, 12, the first pivoted hole, 13, the second pivoted hole, 14, meet the portion of establishing, 141, installing department;
2, the first transmission unit, 21, the first transmission shaft, 211, the first engagement portion, 212, the first limited part, 213, the first locking pedestal, 22, the first spiral gear portion, 221, the first inserted part, 23, the first torsion generating unit;
3, the second transmission unit, 31, second driving shaft, 311, the second engagement portion, 312, the second limited part, 313, the second locking pedestal, 32, the second spiral gear portion, 321, the second inserted part;
4, transmission unit, 41, drive-connecting shaft, 42, interlock spiral gear portion;
5, the first pedestal;
6, the second pedestal;
A1, the first outrigger shaft, A2, the second outrigger shaft, A3, the 3rd outrigger shaft, A4, reference line;
B1, the first meshing zone, B2, the second meshing zone.
Embodiment
Embodiment, is shown in shown in Fig. 1 to Fig. 3: with dynamic formula biaxial hinge, include a supporting frame 1, one first transmission unit 2, one second transmission unit 3 and a transmission unit 4.This supporting frame 1 includes a support body 11, is opened in respectively one first pivoted hole 12 and one second pivoted hole 13 on this support body 11, and at least one this support body 11 and portion of establishing 14 that connects between this first pivoted hole 12 and one second pivoted hole 13 of being arranged in.And this meets the portion of establishing 14 and includes an installing department 141.This first transmission unit 2 is installed on this supporting frame 1, this first transmission unit 2 includes first transmission shaft 21 that is hubbed at this first pivoted hole 12, one is set around the first spiral gear portion 22 on these the first transmission shaft 21 surfaces take this first transmission shaft 21 as axle center, and one is arranged in this first transmission shaft 21 and the first torsion generating unit 23 of these the first transmission shaft 21 required torsion is provided.This first transmission shaft 21 has one first engagement portion 211, one coordinates to limit the first limited part 212 that this first spiral gear portion 22 moves along this first transmission shaft 21 against this first spiral gear portion 22 and with this supporting frame 1, and one be arranged in this first limited part 212 first locking pedestal 213.In addition,, in order more specifically to explain the interelement relative position of the present invention, this first transmission shaft 21 has one first outrigger shaft A1.And this first spiral gear portion 22 have one with the first inserted part 221 of these the first engagement portion 211 clampings.This second transmission unit 3 is installed on this supporting frame 1, this second transmission unit 3 includes a second driving shaft 31 that is hubbed at this second pivoted hole 13, one is set around the second spiral gear portion 32 on these second driving shaft 31 surfaces take this second driving shaft 31 as axle center, and one is arranged in this second driving shaft 31 and the second torsion generating unit 33 of these second driving shaft 31 required torsion is provided.This second driving shaft 31 has one second engagement portion 311, one coordinates to limit the second limited part 312 that this second spiral gear portion 32 moves along this second driving shaft 31 against this second spiral gear portion 32 and with this supporting frame 1, and one be arranged in this second limited part 312 second locking pedestal 313.In addition,, in order more specifically to explain the interelement relative position of the present invention, this second driving shaft 31 has a second outrigger shaft A2 parallel with this first outrigger shaft A1.And this second spiral gear portion 32 have one with the second inserted part 321 of these the second engagement portion 311 clampings.This transmission unit 4 is installed in the portion of establishing 14 that connects of this supporting frame 1, this transmission unit 4 includes a drive-connecting shaft 41 that is hubbed at this installing department 141, and an interlock spiral gear portion 42 of being fixed on this drive-connecting shaft 41, the second meshing zone B2 that this interlock spiral gear portion 42 has a first meshing zone B1 who engages with this first spiral gear portion 22 and relative this first meshing zone B1 and engages with this second spiral gear portion 32.In the present embodiment, this drive-connecting shaft 41 is single element with this interlock spiral gear portion 42, and this drive-connecting shaft 41 is convexly set in the two ends of this interlock spiral gear portion 42.Certainly, this drive-connecting shaft 41 also can be two element with this interlock spiral gear portion 42, that is this interlock spiral gear portion 42 wears and be fixed on this drive-connecting shaft 41, and is not limited to this.In addition, in order more specifically to explain the interelement relative position of the present invention, this drive-connecting shaft 41 have one with staggered the 3rd outrigger shaft A3 of this first outrigger shaft A1 and this second outrigger shaft A2.By just the direction of this first outrigger shaft A1 and this second outrigger shaft A2 being seen, in other words, this first outrigger shaft A1 and this second outrigger shaft A2 can be considered respectively a bit, between this point, can connect into a reference line A 4.In the present embodiment, the angle of the 3rd outrigger shaft A3 and between this reference line A 4 be 90 degree not, that is not mutually vertical between the two, but are not limited to this.In addition, in the present embodiment, this first spiral gear portion 22, this second spiral gear portion 32 and this interlock spiral gear portion 42 have respectively the spiral groove of plural same-handed direction, can be a left-handed interlaced helical gear or a dextrorotation interlaced helical gear.
For action that can specific explanations same dynamic formula biaxial hinge of the present invention, this first transmission unit 2 can be driven and drive this second transmission unit 3, this second transmission unit 3 to be driven and drive this first transmission unit 2 or this first transmission unit 2 can be driven and transmission mutually with this second transmission unit 3 simultaneously.At this, only illustrate that this first transmission unit 2 rotates and drive this transmission unit 4, this transmission unit 4 drives this second transmission unit 3 again.In the time that the first transmission shaft 21 of this first transmission unit 2 rotates, this first transmission shaft 21 can drive this first spiral gear portion 22 that is sticked in this first transmission shaft 21, and this first spiral gear portion 22 can drive this interlock spiral gear portion 42 of this transmission unit 4.In addition, this interlock spiral gear portion 42 can drive this second spiral gear portion 32 of this second transmission unit 3, and this second spiral gear portion 32 can drive this second driving shaft 31 that is sticked in this second spiral gear portion 32 again.,, in the time rotating this first transmission unit 2, this second transmission unit 3 also can be rotated thereupon.
See shown in Fig. 4-1 and Fig. 4-2, the first locking pedestal 213 of this first transmission shaft 21 can be locked in one first pedestal 5, and the second locking pedestal 313 of this second driving shaft 31 can be locked in one second pedestal 6.In the time that user rotates this first pedestal 5 or this second pedestal 6, this second pedestal 6 or this first pedestal 5 can rotate because of this effect with dynamic formula biaxial hinge simultaneously.And, in the time that user rotates this first pedestal 5 with this second pedestal 6 simultaneously, user only needs to rotate a special angle, and this can feed back the special angle of twice with dynamic formula biaxial hinge, therefore this first pedestal 5 and this second pedestal 6 of user's folding more quickly.
In sum, this utilizes this transmission unit 4 can complete the rotation of synchronizeing of this first transmission unit 2 and this second transmission unit 3 with dynamic formula biaxial hinge.In addition, this the first spiral gear portion 22, this second spiral gear portion 32 and this interlock spiral gear portion 42 are interlaced helical gear, the screw serrated form that interlaced helical gear has is a curved surface, it is taken turns, and the backlash of between cog is less and contact is comparatively close, thereby transmission is stably carried out in the contact that therefore can effectively increase wheel between cog.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. with dynamic formula biaxial hinge, include:
One supporting frame, this supporting frame includes a support body, be opened in respectively one first pivoted hole and one second pivoted hole on this support body, and be at least onely arranged in this support body and meet the portion of establishing between this first pivoted hole and this second pivoted hole, this meets the portion of establishing and includes an installing department;
One first transmission unit and one second transmission unit, this first transmission unit and this second transmission unit are installed on this supporting frame, and this first transmission unit includes first transmission shaft that is hubbed at this first pivoted hole, and one be set around the first spiral gear portion on this first transmission shaft surface take this first transmission shaft as axle center, this second transmission unit includes a second driving shaft that is hubbed at this second pivoted hole, and a second spiral gear portion that is set around this second driving shaft surface take this second driving shaft as axle center;
One transmission unit, this transmission unit be installed in this supporting frame this meet the portion of establishing, and this transmission unit includes a drive-connecting shaft that is hubbed at this installing department, and an interlock spiral gear portion of being fixed on this drive-connecting shaft, this interlock spiral gear portion have one with the first meshing zone of this first spiral gear portion engagement and relative this first meshing zone second meshing zone of engaging with this second spiral gear portion;
It is characterized in that: described the first transmission shaft has one first outrigger shaft, second driving shaft has second outrigger shaft parallel with this first outrigger shaft, and the drive-connecting shaft of this transmission unit have one with staggered the 3rd outrigger shaft of this first outrigger shaft and this second outrigger shaft.
2. same dynamic formula biaxial hinge according to claim 1, is characterized in that: described the first transmission shaft has one first engagement portion, this first spiral gear portion have one with the first inserted part of this first engagement portion clamping.
3. same dynamic formula biaxial hinge according to claim 1 and 2, is characterized in that: described the first transmission shaft has one and coordinates to limit the first limited part that this first spiral gear portion moves along this first transmission shaft against this first spiral gear portion and with this supporting frame.
4. same dynamic formula biaxial hinge according to claim 3, is characterized in that: described the first transmission shaft has one first locking pedestal.
5. same dynamic formula biaxial hinge according to claim 1, is characterized in that: described second driving shaft has one second engagement portion, this second spiral gear portion have one with the second inserted part of this second engagement portion clamping.
6. same dynamic formula biaxial hinge according to claim 5, is characterized in that: described second driving shaft has one and coordinates to limit the second limited part that this second spiral gear portion moves along this second driving shaft against this second spiral gear portion and with this supporting frame.
7. same dynamic formula biaxial hinge according to claim 6, is characterized in that: described second driving shaft has one second locking pedestal.
8. same dynamic formula biaxial hinge according to claim 1, it is characterized in that: described the first transmission unit includes one and is arranged in this first transmission shaft and the first torsion generating unit of the required torsion of this first transmission shaft is provided, this second transmission unit includes one and is arranged in this second driving shaft and the second torsion generating unit of the required torsion of this second driving shaft is provided.
9. same dynamic formula biaxial hinge according to claim 1, is characterized in that: described the first spiral gear portion, the second spiral gear portion and interlock spiral gear portion have respectively the spiral groove of plural same-handed direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134893.9A CN103883610B (en) | 2014-04-04 | 2014-04-04 | With dynamic formula biaxial hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410134893.9A CN103883610B (en) | 2014-04-04 | 2014-04-04 | With dynamic formula biaxial hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883610A true CN103883610A (en) | 2014-06-25 |
| CN103883610B CN103883610B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410134893.9A Active CN103883610B (en) | 2014-04-04 | 2014-04-04 | With dynamic formula biaxial hinge |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179459A (en) * | 2014-06-12 | 2015-12-23 | 加藤电机（香港）有限公司 | Double-shaft hinge and terminal machine with the same |
| CN106774676A (en) * | 2016-12-26 | 2017-05-31 | 联想(北京)有限公司 | A kind of connection member and electronic equipment |
| CN106837989A (en) * | 2017-02-17 | 2017-06-13 | 联想(北京)有限公司 | Attachment means, hinge assembly and electronic equipment including attachment means |
| KR101747535B1 (en) | 2014-10-14 | 2017-06-14 | 켐 홍콩 유한회사 | Biaxial hinge and terminal device using the same |
| CN110273914A (en) * | 2018-03-15 | 2019-09-24 | 兆利科技工业股份有限公司 | Twin shaft alternately overturns structure |
| CN114992229A (en) * | 2022-08-05 | 2022-09-02 | 荣耀终端有限公司 | Slewing mechanism and folding terminal |
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| CN203412921U (en) * | 2013-08-16 | 2014-01-29 | 爱升沛产品设计有限公司 | Hinge device |
| CN203441960U (en) * | 2013-09-03 | 2014-02-19 | 特源股份有限公司 | Double-shaft coaction torsion pivot device |
| TWM474324U (en) * | 2013-11-25 | 2014-03-11 | Lian Hong Art Co Ltd | Synchronous mechanism torque of biaxial hinge connector |
| CN203670445U (en) * | 2014-01-15 | 2014-06-25 | 连鋐科技股份有限公司 | Crossed helical gear transmission mechanism of double-pivot synchronous-linkage torsion pivot device |
| CN204061525U (en) * | 2014-04-04 | 2014-12-31 | 昆山万禾精密电子有限公司 | With dynamic formula biaxial hinge |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203412921U (en) * | 2013-08-16 | 2014-01-29 | 爱升沛产品设计有限公司 | Hinge device |
| CN203441960U (en) * | 2013-09-03 | 2014-02-19 | 特源股份有限公司 | Double-shaft coaction torsion pivot device |
| TWM469395U (en) * | 2013-09-18 | 2014-01-01 | Te Yuan Co Ltd | Dual axis sliding base controller |
| TWM474324U (en) * | 2013-11-25 | 2014-03-11 | Lian Hong Art Co Ltd | Synchronous mechanism torque of biaxial hinge connector |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179459A (en) * | 2014-06-12 | 2015-12-23 | 加藤电机（香港）有限公司 | Double-shaft hinge and terminal machine with the same |
| CN105179459B (en) * | 2014-06-12 | 2021-01-22 | 加藤电机（香港）有限公司 | Double-shaft hinge and terminal machine using same |
| KR101747535B1 (en) | 2014-10-14 | 2017-06-14 | 켐 홍콩 유한회사 | Biaxial hinge and terminal device using the same |
| CN106774676A (en) * | 2016-12-26 | 2017-05-31 | 联想(北京)有限公司 | A kind of connection member and electronic equipment |
| CN106837989A (en) * | 2017-02-17 | 2017-06-13 | 联想(北京)有限公司 | Attachment means, hinge assembly and electronic equipment including attachment means |
| CN110273914A (en) * | 2018-03-15 | 2019-09-24 | 兆利科技工业股份有限公司 | Twin shaft alternately overturns structure |
| CN110273914B (en) * | 2018-03-15 | 2020-11-17 | 兆利科技工业股份有限公司 | Double-shaft alternate overturning structure |
| CN114992229A (en) * | 2022-08-05 | 2022-09-02 | 荣耀终端有限公司 | Slewing mechanism and folding terminal |
| CN114992229B (en) * | 2022-08-05 | 2022-12-16 | 荣耀终端有限公司 | Slewing mechanism and folding terminal |
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| Publication number | Publication date |
|---|---|
| CN103883610B (en) | 2016-07-06 |
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