CN104791370A - Spiral groove transmission type 360 DEG double-shaft synchronous damping rotation shaft - Google Patents
Spiral groove transmission type 360 DEG double-shaft synchronous damping rotation shaft Download PDFInfo
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- CN104791370A CN104791370A CN201410019898.7A CN201410019898A CN104791370A CN 104791370 A CN104791370 A CN 104791370A CN 201410019898 A CN201410019898 A CN 201410019898A CN 104791370 A CN104791370 A CN 104791370A
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Abstract
The present invention discloses a spiral groove transmission type 360 DEG double-shaft synchronous damping rotation shaft, which comprises two shaft cores and at least a coupling housing and is provided with at least a pivot member, wherein each coupling housing is axially provided with a through hole, the two shaft cores are sleeved in the corresponding through holes, the two shaft cores can subjected to axial stopping and circumferential free rotation relative to the coupling housing, a groove channel is axially arranged in the coupling housing, the pivot member can axially slide in the groove channel, the two shaft cores are respectively provided with symmetrical spiral ditch grooves corresponding to each pivot member, the ditch groove on the shaft core can drive the pivot member to axially slide in the groove channel when one of the shaft cores rotates, and the axial sliding of the pivot member can drive the ditch groove on the other shaft core to rotate so as to make the two shaft cores synchronously rotate. With the spiral groove transmission type 360 DEG double-shaft synchronous damping rotation shaft of the present invention, the synchronous 360 DEG rotation opening and closing and the limitless flipping function of the double shafts can be achieved, the connection of the rotation position is perfect and smooth, the good experience effect can be provided for the user, and the laptop operation function requirements can be met.
Description
Technical field
The present invention relates to a kind of Damping rotation shaft, specifically relate to a kind of spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts.
Background technique
Damping rotation shaft is a kind of connecting element that can provide rotation mutually, be mainly used between the parts of rotation and its matrix, at present, be widely used in various digital product and electronic equipment, such as notebook computer, can realize the folding function between the body of notebook computer and display screen by the rotation of Damping rotation shaft.At present, conventional Damping rotation shaft is single shaft core, by assemble products from parts, realizes notebook computer folding function.Also have and realize the folding of notebook computer and the angle of relative human body by twin shaft core.Also the folding and the locating function that are realized notebook computer by twin shaft cored structure is had; But this twin shaft cored structure is when normally axle core rotates, another axle core blocking, it is closed that two rotating shafts are that order is opened, not perfect in operation, cannot accomplish synchronously.In order to realize 360 degree of synchronous axial system of twin shaft, also the double-axis hinge adopting multiple Gear combination transmission is had, the axis of multiple gear and the axis of twin shaft are in the same way, but this structure will design at least 4 gears usually, the function of the reverse smooth opening and closing of Biaxial synchronous could be arrived, and due to use gear more, limit the electronic equipments such as notebook slimming development, and installation and removal operation comparatively loaded down with trivial details.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention proposes a kind of spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts, Biaxial synchronous 360 degree of rotating foldings and limitless turn over function can be realized, and can rotary part connect more perfect and smooth and easy, there is provided better experience effect to user, meet notebook computer operating function demand.
Technological scheme of the present invention is achieved in that
A kind of spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts, comprise two axle cores and at least one coupling housing, corresponding each coupling housing, are provided with at least one hinge part; Corresponding each axle core, each coupling housing is axially arranged with a through hole, two described axle core retainer plates are located in two corresponding described through holes, make two described axle core interval setpoint distances, and two described axle cores can axial retention circumference freely rotate relative to described coupling housing; Be axially arranged with conduit between two described through holes in described coupling housing, described hinge part is located in described conduit, and described hinge part can slide axially in described conduit; Corresponding each described hinge part, two described axle cores offer symmetrical spiral groove respectively, when one of them axle core rotates, groove on this axle core can drive described hinge part to slide axially in described conduit, and described hinge part slides axially the groove on another axle core can be driven to rotate, make two described axle core synchronous axial system.
As a further improvement on the present invention, described hinge part is respectively equipped with a projection towards the both sides of two described axle cores, the groove curved surface that the profile of two described projections is corresponding with it matches, and two described projections are accommodating respectively to be fitted in groove corresponding on two described axle cores.
As a further improvement on the present invention, separately be provided with a joining plate, two described axle core one end have a step respectively, described joining plate is sheathed on two described axle cores respectively, two described axle cores can axial retention circumference freely rotate relative to described joining plate, and described joining plate location backstop is in the step place of two described axle cores.
As a further improvement on the present invention, two described axle core one end are fixed with fixed support respectively, the other end of two described axle cores is arranged with the first pad, several butterfly shell fragments and the second pad successively, described first pad is positioned at the side of described joining plate described step dorsad, and described coupling housing, described joining plate, described first pad, butterfly shell fragment described in several and described second pad are positioned on two described axle cores by nut check.
As a further improvement on the present invention, the shape of described groove be for triangle, circle, ellipse, rectangular, square and trapezoidal in one.
The invention has the beneficial effects as follows: the invention provides a kind of spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts, comprise two axle cores, corresponding each axle core is provided with symmetrical spiral groove, independent two axle cores are combined by least one coupling housing by rotating shaft, coupling housing can have many groups, set according to actual needs, to keep the parallel stable of two independent axles.Coupling housing there is conduit, hinge part can slide in conduit, the profile of hinge part is consistent with the spiral groove shape on axle core, by coordinating of hinge part and the groove on axle core and the conduit on coupling housing, the synchronous open and close of twin shaft can be realized, make the products such as the notebook of application Damping rotation shaft of the present invention can 360 degree of inter-sync foldings.In addition, owing to have employed the spiral fluted kind of drive, can avoid using more gear transmission, and not occupy thicker space, be conducive to the slimming development of the products such as notebook.Preferably, hinge part is respectively equipped with one protruding towards the both sides of two axle cores, and two protruding profiles groove curved surface corresponding with it matches, and two projections are respectively in the accommodating groove fitting in correspondence on two axle cores.Like this, by the cooperation of the protruding groove corresponding with on two axle cores of two on hinge part, the synchronous open and close of twin shaft can be realized, make the products such as the notebook of application Damping rotation shaft of the present invention can 360 degree of inter-sync foldings.Preferably, be provided with a joining plate, two axle core one end have a step respectively, and joining plate is sheathed on two axle cores respectively, and two axle cores can axial retention circumference freely rotate relative to joining plate, and joining plate location backstop is in the step place of two axle cores.By coordinating of joining plate and coupling housing, can better realize by two axle cores compositions together.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is coupling housing structural representation in the present invention;
Fig. 3 is hinge part structural representation in the present invention.
By reference to the accompanying drawings, make the following instructions:
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts, comprise two axle cores 1 and at least one coupling housing 2, and corresponding each coupling housing is provided with at least one hinge part 3; Corresponding each axle core, each coupling housing is axially arranged with a through hole 21, two described axle core retainer plates are located in two corresponding described through holes, make two described axle core interval setpoint distances, and two described axle cores can axial retention circumference freely rotate relative to described coupling housing; Be axially arranged with conduit 22 between two described through holes in described coupling housing, described hinge part is located in described conduit, and described hinge part can slide axially in described conduit; Corresponding each described hinge part, two described axle cores offer symmetrical spiral groove 11 respectively, when one of them axle core rotates, groove on this axle core can drive described hinge part to slide axially in described conduit, and described hinge part slides axially the groove on another axle core can be driven to rotate, make two described axle core synchronous axial system.Like this, combined by independent two axle cores by least one coupling housing, coupling housing can have many groups, sets according to actual needs, to keep the parallel stable of two independent axles.And coordinating by hinge part and the groove on axle core and the conduit on coupling housing, the synchronous open and close of twin shaft can be realized, make the products such as the notebook of application Damping rotation shaft of the present invention can 360 degree of inter-sync foldings.In addition, owing to have employed the spiral fluted kind of drive, can avoid using more gear transmission, and not occupy thicker space, be conducive to the slimming development of the products such as notebook.
Preferably, described hinge part is respectively equipped with the profile of a projection 31, two described projections corresponding with it groove curved surface towards the both sides of two described axle cores matches, and two described projections are accommodating respectively to be fitted in groove corresponding on two described axle cores.Like this, by the cooperation of the protruding groove corresponding with on two axle cores of two on hinge part, the synchronous open and close of twin shaft can be realized, make the products such as the notebook of application Damping rotation shaft of the present invention can 360 degree of inter-sync foldings.During concrete enforcement, projection on hinge part and spiral chute application of a surface, when one of them axle core rotates, groove on this axle core rotates and drives the projection with its laminating, and then slide axially in the conduit of drive hinge part in coupling housing, namely hinge part slides up and down in coupling housing, again because the spiral chute on two axle cores is symmetrical set, under the restriction and leading role of hinge part, another axle core can follow synchronous backward to rotate.
Preferably, separately be provided with a joining plate 4, two described axle core one end have a step 12 respectively, described joining plate is sheathed on two described axle cores respectively, two described axle cores can axial retention circumference freely rotate relative to described joining plate, and described joining plate location backstop is in the step place of two described axle cores.By coordinating of joining plate and coupling housing, can better realize by two axle cores compositions together.
Preferably, two described axle core one end are fixed with fixed support 5 respectively, for embed need rotate parts and matrix in, the other end of two described axle cores is arranged with the first pad 6, several butterfly shell fragment 7 and second pads 8 successively, described first pad is positioned at the side of described joining plate described step dorsad, described coupling housing, described joining plate, described first pad, butterfly shell fragment described in several and described second pad by nut 9 locking and positioning on two described axle cores.For providing torsion and the function realizing close-fitting location.
Preferably, the shape of described groove be for triangle, circle, ellipse, rectangular, square and trapezoidal in one.
In sum, Damping rotation shaft of the present invention is a built-up shaft, is connected together by two axle cores with joining plate by coupling housing.One, the present invention can realize 360 degree freely overturning, to meet the different deformation form of the products such as notebook.Coordinating two, by the spiral groove on twin shaft and conduit on the projection on hinge part and coupling housing, the sense of rotation controlling diaxon can be realized, realize the synchronous unlatching in 360 degree and closure function, rotate while meeting the product LCD such as notebook and components of system as directed.They are three years old, because the present invention by offering the synchronous on-off that spiral groove realizes twin shaft on axle core, use the products such as the notebook of this Damping rotation shaft, rotary part connect more perfect and smooth and easy, and can avoid using more gear transmission, and do not occupy thicker space, be conducive to the slimming development of the products such as notebook.During embody rule, two axle cores are fixedly connected with two fixed supports, two fixed supports lock respectively on LCD and components of system as directed, projection on hinge part and spiral chute application of a surface, when one of them axle core rotates, groove on this axle core rotates and drives the projection with its laminating, and then slide axially in the conduit of drive hinge part in coupling housing, namely hinge part slides up and down in coupling housing, again because the spiral chute on two axle cores is symmetrical set, under the restriction and leading role of hinge part, another axle core can follow synchronous backward to rotate.
Those skilled in the art is by carrying out amendment on various forms or change to above-described embodiment.But when not deviating from essence of the present invention, all drop within protection scope of the present invention.
Claims (5)
1. spiral chute transmission type 360 degree of Biaxial synchronous Damping rotation shafts, is characterized in that: comprise two axle cores (1) and at least one coupling housing (2), corresponding each coupling housing, are provided with at least one hinge part (3); Corresponding each axle core, each coupling housing is axially arranged with a through hole (21), two described axle core retainer plates are located in two corresponding described through holes, make two described axle core interval setpoint distances, and two described axle cores can axial retention circumference freely rotate relative to described coupling housing; Be axially arranged with conduit (22) between two described through holes in described coupling housing, described hinge part is located in described conduit, and described hinge part can slide axially in described conduit; Corresponding each described hinge part, two described axle cores offer symmetrical spiral groove (11) respectively, when one of them axle core rotates, groove on this axle core can drive described hinge part to slide axially in described conduit, and described hinge part slides axially the groove on another axle core can be driven to rotate, make two described axle core synchronous axial system.
2. spiral chute transmission type according to claim 1 360 degree of Biaxial synchronous Damping rotation shafts, it is characterized in that: described hinge part is respectively equipped with a projection (31) towards the both sides of two described axle cores, the groove curved surface that the profile of two described projections is corresponding with it matches, and two described projections are accommodating respectively to be fitted in groove corresponding on two described axle cores.
3. spiral chute transmission type according to claim 2 360 degree of Biaxial synchronous Damping rotation shafts, it is characterized in that: be separately provided with a joining plate (4), two described axle core one end have a step (12) respectively, described joining plate is sheathed on two described axle cores respectively, two described axle cores can axial retention circumference freely rotate relative to described joining plate, and described joining plate location backstop is in the step place of two described axle cores.
4. spiral chute transmission type according to claim 3 360 degree of Biaxial synchronous Damping rotation shafts, it is characterized in that: two described axle core one end are fixed with fixed support (5) respectively, the other end of two described axle cores is arranged with the first pad (6), several butterfly shell fragments (7) and the second pad (8) successively, described first pad is positioned at the side of described joining plate described step dorsad, described coupling housing, described joining plate, described first pad, butterfly shell fragment described in several and described second pad by nut (9) locking and positioning on two described axle cores.
5. spiral chute transmission type according to claim 4 360 degree of Biaxial synchronous Damping rotation shafts, is characterized in that: the shape of described groove be for triangle, circle, ellipse, rectangular, square and trapezoidal in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019898.7A CN104791370B (en) | 2014-01-16 | 2014-01-16 | 360 degree of Biaxial synchronous Damping rotation shafts of helicla flute driven type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410019898.7A CN104791370B (en) | 2014-01-16 | 2014-01-16 | 360 degree of Biaxial synchronous Damping rotation shafts of helicla flute driven type |
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| Publication Number | Publication Date |
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| CN104791370A true CN104791370A (en) | 2015-07-22 |
| CN104791370B CN104791370B (en) | 2017-09-29 |
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| CN201410019898.7A Active CN104791370B (en) | 2014-01-16 | 2014-01-16 | 360 degree of Biaxial synchronous Damping rotation shafts of helicla flute driven type |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105332999A (en) * | 2015-11-17 | 2016-02-17 | 联想(北京)有限公司 | Rotary shaft |
| CN105605086A (en) * | 2016-03-17 | 2016-05-25 | 合肥联宝信息技术有限公司 | Rotating shaft assembly and notebook computer |
| CN106969025A (en) * | 2017-02-17 | 2017-07-21 | 联想(北京)有限公司 | Structure with double rotating shafts and electronic equipment |
| CN107542751A (en) * | 2016-06-23 | 2018-01-05 | 比亚迪股份有限公司 | Rotating assembly and there is its mobile terminal |
| CN107977049A (en) * | 2017-12-27 | 2018-05-01 | 昆山玮硕恒基智能科技股份有限公司 | Cam drive and apply its electronic equipment |
| CN108561416A (en) * | 2018-06-02 | 2018-09-21 | 东莞市劲丰电子有限公司 | Two-fold justifies inside spin lazy-tongs |
| CN110703857A (en) * | 2019-09-26 | 2020-01-17 | 联想(北京)有限公司 | Rotating shaft and electronic equipment |
| US10635139B2 (en) | 2015-11-17 | 2020-04-28 | Lenovo (Beijing) Limited | Connecting apparatus, rotating shaft and electronic device |
| WO2021047369A1 (en) * | 2019-09-09 | 2021-03-18 | Oppo广东移动通信有限公司 | Dual rotating shaft mechanism, folding assembly and electronic device |
| CN116677705A (en) * | 2022-12-01 | 2023-09-01 | 荣耀终端有限公司 | Transmission assembly of hinge, hinge and foldable electronic equipment |
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| CN202531623U (en) * | 2012-02-13 | 2012-11-14 | 欣日兴精密电子(苏州)有限公司 | Double-shaft pivot device and flip electronic device with same |
| CN202673991U (en) * | 2012-07-10 | 2013-01-16 | 兆利科技工业股份有限公司 | Thinned double-shaft pivoting device |
| CN203627513U (en) * | 2013-09-04 | 2014-06-04 | 富世达股份有限公司 | Synchronous movement device for double-rotary-shaft system |
| CN203685838U (en) * | 2014-01-16 | 2014-07-02 | 昆山玮硕恒基电子科技有限公司 | Spiral groove transmission-type 360-degree double-shaft synchronous damping rotating shaft |
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2014
- 2014-01-16 CN CN201410019898.7A patent/CN104791370B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10635139B2 (en) | 2015-11-17 | 2020-04-28 | Lenovo (Beijing) Limited | Connecting apparatus, rotating shaft and electronic device |
| CN105332999B (en) * | 2015-11-17 | 2018-02-27 | 联想(北京)有限公司 | A kind of rotating shaft |
| CN105332999A (en) * | 2015-11-17 | 2016-02-17 | 联想(北京)有限公司 | Rotary shaft |
| CN105605086A (en) * | 2016-03-17 | 2016-05-25 | 合肥联宝信息技术有限公司 | Rotating shaft assembly and notebook computer |
| CN107542751A (en) * | 2016-06-23 | 2018-01-05 | 比亚迪股份有限公司 | Rotating assembly and there is its mobile terminal |
| CN106969025A (en) * | 2017-02-17 | 2017-07-21 | 联想(北京)有限公司 | Structure with double rotating shafts and electronic equipment |
| CN107977049A (en) * | 2017-12-27 | 2018-05-01 | 昆山玮硕恒基智能科技股份有限公司 | Cam drive and apply its electronic equipment |
| CN108561416A (en) * | 2018-06-02 | 2018-09-21 | 东莞市劲丰电子有限公司 | Two-fold justifies inside spin lazy-tongs |
| WO2021047369A1 (en) * | 2019-09-09 | 2021-03-18 | Oppo广东移动通信有限公司 | Dual rotating shaft mechanism, folding assembly and electronic device |
| CN110703857A (en) * | 2019-09-26 | 2020-01-17 | 联想(北京)有限公司 | Rotating shaft and electronic equipment |
| US11442509B2 (en) | 2019-09-26 | 2022-09-13 | Lenovo (Beijing) Co., Ltd. | Rotating shaft and electronic device |
| CN116677705A (en) * | 2022-12-01 | 2023-09-01 | 荣耀终端有限公司 | Transmission assembly of hinge, hinge and foldable electronic equipment |
| CN116677705B (en) * | 2022-12-01 | 2024-07-19 | 荣耀终端有限公司 | Transmission assembly of hinge, hinge and foldable electronic equipment |
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| CN104791370B (en) | 2017-09-29 |
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