CN104421323A - Hollow multi-segment self-closing damper rotating shaft - Google Patents
Hollow multi-segment self-closing damper rotating shaft Download PDFInfo
- Publication number
- CN104421323A CN104421323A CN201310397564.9A CN201310397564A CN104421323A CN 104421323 A CN104421323 A CN 104421323A CN 201310397564 A CN201310397564 A CN 201310397564A CN 104421323 A CN104421323 A CN 104421323A
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- boss
- cam
- support
- groove
- axle core
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Abstract
The invention discloses a hollow multi-segment self-closing damper rotating shaft, and the damper rotating shaft comprises an axial hollow shaft core and a first bracket, wherein one end of the axial hollow shaft core is fixedly connected with the first bracket while the other end of the axial hollow shaft core is sequentially provided with a second bracket, a concave wheel and a cam in a sleeving manner; both the second bracket and the concave wheel are fixedly connected in a positioning manner and can freely rotate with respect to the axial hollow shaft core; the cam can peripherally stop and axially and automatically slide relative to the axial hollow shaft core; one side of the concave wheel, facing towards the cam, is at least provided with a groove group including two grooves arranged at an space; one side of the cam, facing towards the concave wheel, is provided with a boss group including two first bosses corresponding to the two grooves in each groove group, and each first boss can slide into and slide off the corresponding groove. The hollow multi-segment self-closing damper rotating shaft can perform 360-degree free rotation and has multi-segment self-closing functions so that a relatively good experience effect can be provided for users, so that the damper rotating shaft can also meet the two-way self-closing demand of a notebook computer and other products.
Description
Technical field
The present invention relates to a kind of Damping rotation shaft, specifically relate to a kind of hollow multistage self-closing type Damping rotation shaft.
Background technique
Damping rotation shaft is a kind of connecting element that can provide rotation mutually, between the parts that main application is rotated and its matrix, at present, be widely used in various digital product and electronic equipment, such as notebook computer, can realize the mutual rotation between the body of notebook computer and display screen by Damping rotation shaft.
At present, the Damping rotation shaft of conventional automatic closing structure, generally include axle core and setting sleeve be located at cam on axle core and recessedly take turns, utilize the cooperation of the protuberance of recessed recess of taking turns and cam, realize automatically closed function, but, recessed wheel of the prior art can only realize one-part form with cam and automatically close, the demand of people to multi-section type automatic closing function can not be met, more such as there is the electronic product of 360 degree of turn over function, often need 0 degree and 360 degree two-way closed.Therefore in the urgent need to a kind of Damping rotation shaft with multi-section type closure function that can provide better experience effect to user.In addition, along with lighter and thinnerization of notebook computer develops, the cooperation of Damping rotation shaft and wire rod is had higher requirement, but conventional Damping rotation shaft is generally real core body, is unfavorable for coordinating to relevant wire rod and saving space.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention proposes a kind of hollow multistage self-closing type Damping rotation shaft, there are 360 degree and freely overturn the function with multistage self-closing, better experience effect can be provided to user, meet the demand of the two-way self-closing of the products such as notebook computer, and the wearing and tearing of wire rod and rotating shaft can be reduced, meet the growth requirement that notebook computer etc. is lighter and thinner.
Technological scheme of the present invention is achieved in that
A kind of hollow multistage self-closing type Damping rotation shaft, comprise axle core and first support of axial hollow, described axle core one end is fixedly connected with described first support, the described axle core the other end successively setting sleeve is provided with the second support, recessedly to take turns and cam, described second support is connected with described recessed stationary positioned of taking turns, and described second support can freely rotate relative to described axle core with described recessed wheel, the relatively described axle core of described cam can circumferential braking roll to automatic slip, described recessed wheel is at least provided with a groove group towards the side of described cam, each groove group comprises two spaced grooves, described cam is provided with a boss group towards described recessed side of taking turns, described boss group comprises two first boss corresponding with two grooves of often pair of groove group, described first boss can slide into and skid off corresponding groove.
As a further improvement on the present invention, the structure that described first boss could slide into and skid off corresponding groove is: described first boss circumference both sides have boss slope, and described groove circumference both sides are provided with the groove slope matched with described boss slope.
As a further improvement on the present invention, described recessed wheel is interval with two groove groups towards the side of described cam, and each groove group comprises two grooves, forms transitional surface between adjacent two grooves.
As a further improvement on the present invention, the relatively recessed Central Symmetry of taking turns of two grooves of each groove group is arranged, and described transitional surface is lower than described recessed plane of taking turns.
As a further improvement on the present invention, stop ring is provided with in the middle part of described axle core, described second support, recessedly take turns the side being positioned at described stop ring described first support dorsad with cam, described cam dorsad described recessed side of taking turns is provided with several butterfly shell fragments, described second support, describedly recessedly to take turns, described cam and butterfly shell fragment described in several be positioned on described axle core by nut check.
As a further improvement on the present invention, noise reduction pad is provided with between described cam and described butterfly shell fragment, described cam is interval with several the second boss towards the side of described noise reduction pad, corresponding each second boss, described noise reduction pad is provided with a draw-in groove, and described second boss is fastened in described draw-in groove; Described recessed wheel is provided with pad between described second support and between described butterfly shell fragment and described nut.
As a further improvement on the present invention, described axle core is axially arranged with through through hole, and the shaft axis of described through hole overlaps with the center line of described axle core.
As a further improvement on the present invention, described second support is recessedly taken turns the structure that stationary positioned is connected with described and is: described recessed wheel is provided with locating column, on described second support, correspondence is provided with the positioning hole matched with described locating column, and described locating column inserts in described positioning hole.
The invention has the beneficial effects as follows: the invention provides a kind of hollow multistage self-closing type Damping rotation shaft, first support and the second support are for embedding in the parts and matrix that need to rotate, second support is fixedly connected with recessed wheel, first support is fixed on axle core, cam to be set on axle core and freely can not to rotate on axle core, but automatically can slide along the axle core of rotating shaft, by the boss group on cam and recessed at least one groove group of taking turns slide into and skid off cooperatively interact, rotating shaft 360 degree can be realized and freely overturn the function with multistage self-closing, thus meet the demand of the two-way self-closing of the products such as notebook computer, better experience effect is provided to user.In addition, axle core is designed to hollow, is conducive to passing of wire rod, therefore, it is possible to reduce the wearing and tearing of wire rod and rotating shaft, saves production cost and space, meet notebook computer etc. gentlier, thinner growth requirement.As a kind of preferred implementation, be provided with two groove groups, certain angular interval between two groove groups, rotating shaft two-part can be realized automatically close, during concrete enforcement, two sections of angles automatically closed can be designed as near 0 degree and 360 degree, thus realize the demand of the products such as sufficient notebook computer 0 degree and 360 degree two-way self-closing.Preferably, the relatively recessed Central Symmetry of taking turns of two grooves of each groove group is arranged, and transitional surface is lower than described recessed plane of taking turns.Like this, the groove group of symmetric design and make transitional surface lower than recessed plane of taking turns, to reach the object of better closure effect automatically.Preferably, be provided with noise reduction pad between cam and butterfly shell fragment, cam is interval with several the second boss towards the side of noise reduction pad, corresponding each second boss, and noise reduction pad is provided with a draw-in groove, and the second boss is fastened in draw-in groove; Recessed wheel is provided with pad between the second support and between butterfly shell fragment and nut.By coordinating of draw-in groove and the second boss, can eliminate rotating shaft automatically closed time the different sound that sends, recessed take turns and between the second support and butterfly shell fragment and nut part set up the effect that pad can play close-fitting.Preferably, axle core is axially arranged with through through hole, and the shaft axis of through hole overlaps with the center line of axle core.As one preferred embodiment, through hole is set at the center line of axle core.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present invention;
Fig. 2 is axis cored structure schematic diagram of the present invention;
Fig. 3 is concave wheel construction schematic diagram of the present invention;
Fig. 4 is cam structural representation of the present invention;
Fig. 5 is another viewing angle constructions schematic diagram of cam of the present invention;
Fig. 6 is silencing pad chip architecture schematic diagram in the present invention.
By reference to the accompanying drawings, make the following instructions:
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, a kind of hollow multistage self-closing type Damping rotation shaft, comprise axle core 1 and first support 2 of axial hollow, described axle core one end is fixedly connected with described first support, the described axle core the other end successively setting sleeve is provided with the second support 3, recessedly take turns 4 and cam 5, described second support is connected with described recessed stationary positioned of taking turns, and described second support can freely rotate relative to described axle core with described recessed wheel, the relatively described axle core of described cam can circumferential braking roll to automatic slip, described recessed wheel is at least provided with a groove group towards the side of described cam, each groove group comprises two spaced grooves 41, described cam is provided with a boss group towards described recessed side of taking turns, described boss group comprises two first boss 51 corresponding with two grooves of often pair of groove group, described first boss can slide into and skid off corresponding groove.Like this, first support and the second support are for embedding in the parts and matrix that need to rotate, second support is fixedly connected with recessed wheel, first support is fixed on axle core, cam to be set on axle core and freely can not to rotate on axle core, but automatically can slide along the axle core of rotating shaft, and concrete action is, along with the recessed rotation taken turns, cam can axially sliding along rotating shaft automatically.By the boss group on cam and recessed at least one groove group of taking turns slide into and skid off cooperatively interact, rotating shaft 360 degree can be realized and freely overturn the function with multistage self-closing, thus meet the demand of the two-way self-closing of the products such as notebook computer, provide better experience effect to user.In addition, axle core is designed to hollow, is conducive to passing of wire rod, therefore, it is possible to reduce the wearing and tearing of wire rod and rotating shaft, saves production cost and space, meet notebook computer etc. gentlier, thinner growth requirement.
Preferably, the structure that described first boss could slide into and skid off corresponding groove is: described first boss circumference both sides have boss slope 52, and described groove circumference both sides are provided with the groove slope 42 matched with described boss slope.Like this, when the first boss slides into and skids off in groove, the boss slope of the first boss circumference both sides and the groove slope of groove circumference both sides coordinate, and play the effect of transition, facilitate the first boss slide into and skid off groove.
Preferably, described recessed wheel is interval with two groove groups towards the side of described cam, and each groove group comprises two grooves, forms transitional surface 43 between adjacent two grooves.As a kind of preferred implementation, be provided with two groove groups, certain angular interval between two groove groups, rotating shaft two-part can be realized automatically close, during concrete enforcement, two sections of angles automatically closed can be designed as near 0 degree and 360 degree, thus realize the demand of the products such as sufficient notebook computer 0 degree and 360 degree two-way self-closing.
Preferably, the relatively recessed Central Symmetry of taking turns of two grooves of each groove group is arranged, and described transitional surface is lower than described recessed plane of taking turns.Like this, the groove group of symmetric design and make transitional surface lower than recessed plane of taking turns, to reach the object of better closure effect automatically.
Preferably, stop ring 11 is provided with in the middle part of described axle core, described second support, recessedly take turns the side being positioned at described stop ring described first support dorsad with cam, described cam dorsad described recessed side of taking turns is provided with several butterfly shell fragments 6, described second support, describedly recessedly to take turns, described cam and butterfly shell fragment described in several by nut 7 locking and positioning on described axle core.Said structure is simple, and it is convenient to implement, and can realize the second support and can freely rotate relative to axle core with described recessed wheel, cam relative to axle core can circumferential braking roll to the function of automatically sliding.
Preferably, be provided with noise reduction pad 8 between described cam and described butterfly shell fragment, described cam is interval with several the second boss 53 towards the side of described noise reduction pad, corresponding each second boss, described noise reduction pad is provided with a draw-in groove 81, and described second boss is fastened in described draw-in groove; Described recessed wheel is provided with pad 9 between described second support and between described butterfly shell fragment and described nut.By coordinating of draw-in groove and the second boss, can eliminate rotating shaft automatically closed time the different sound that sends, recessed take turns and between the second support and butterfly shell fragment and nut part set up the effect that pad can play close-fitting.
Preferably, described axle core is axially arranged with through through hole 12, and the shaft axis of described through hole overlaps with the center line of described axle core.As one preferred embodiment, through hole is set at the center line of axle core.
Preferably, described second support is recessedly taken turns the structure that stationary positioned is connected with described and is: described recessed wheel is provided with locating column 44, correspondingly on described second support is provided with the positioning hole 31 matched with described locating column, and described locating column inserts in described positioning hole.
Above embodiment is with reference to accompanying drawing, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when not deviating from essence of the present invention, drops within protection scope of the present invention.
Claims (8)
1. a hollow multistage self-closing type Damping rotation shaft, it is characterized in that: the axle core (1) and the first support (2) that comprise axial hollow, described axle core one end is fixedly connected with described first support, the described axle core the other end successively setting sleeve is provided with the second support (3), recessedly take turns (4) and cam (5), described second support is connected with described recessed stationary positioned of taking turns, and described second support can freely rotate relative to described axle core with described recessed wheel, the relatively described axle core of described cam can circumferential braking roll to automatic slip, described recessed wheel is at least provided with a groove group towards the side of described cam, each groove group comprises two spaced grooves (41), described cam is provided with a boss group towards described recessed side of taking turns, described boss group comprises two first boss (51) corresponding with two grooves of often pair of groove group, described first boss can slide into and skid off corresponding groove.
2. hollow multistage self-closing type Damping rotation shaft according to claim 1, it is characterized in that: the structure that described first boss could slide into and skid off corresponding groove is: described first boss circumference both sides have boss slope (52), and described groove circumference both sides are provided with the groove slope (42) matched with described boss slope.
3. hollow multistage self-closing type Damping rotation shaft according to claim 2, it is characterized in that: described recessed wheel is interval with two groove groups towards the side of described cam, each groove group comprises two grooves, forms transitional surface (43) between adjacent two grooves.
4. hollow multistage self-closing type Damping rotation shaft according to claim 3, is characterized in that: the relatively recessed Central Symmetry of taking turns of two grooves of each groove group is arranged, and described transitional surface is lower than described recessed plane of taking turns.
5. hollow multistage self-closing type Damping rotation shaft according to claim 4, it is characterized in that: in the middle part of described axle core, be provided with stop ring (11), described second support, recessedly take turns the side being positioned at described stop ring described first support dorsad with cam, described cam dorsad described recessed side of taking turns is provided with several butterfly shell fragments (6), described second support, describedly recessedly to take turns, described cam and butterfly shell fragment described in several by nut (7) locking and positioning on described axle core.
6. hollow multistage self-closing type Damping rotation shaft according to claim 5, it is characterized in that: between described cam and described butterfly shell fragment, be provided with noise reduction pad (8), described cam is interval with several the second boss (53) towards the side of described noise reduction pad, corresponding each second boss, described noise reduction pad is provided with a draw-in groove (81), and described second boss is fastened in described draw-in groove; Described recessed wheel is provided with pad (9) between described second support and between described butterfly shell fragment and described nut.
7. the hollow multistage self-closing type Damping rotation shaft according to any one of claim 1 to 6, is characterized in that: described axle core is axially arranged with through through hole (12), and the shaft axis of described through hole overlaps with the center line of described axle core.
8. hollow multistage self-closing type Damping rotation shaft according to claim 1, it is characterized in that: described second support is recessedly taken turns the structure that stationary positioned is connected with described and is: described recessed wheel is provided with locating column (44), on described second support, correspondence is provided with the positioning hole (31) matched with described locating column, and described locating column inserts in described positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397564.9A CN104421323A (en) | 2013-09-04 | 2013-09-04 | Hollow multi-segment self-closing damper rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397564.9A CN104421323A (en) | 2013-09-04 | 2013-09-04 | Hollow multi-segment self-closing damper rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421323A true CN104421323A (en) | 2015-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310397564.9A Pending CN104421323A (en) | 2013-09-04 | 2013-09-04 | Hollow multi-segment self-closing damper rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104421323A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930708A (en) * | 2017-05-27 | 2018-12-04 | 昆山玮硕恒基智能科技股份有限公司 | Shaft is with bracket linkage and using its electronic device |
| CN108934566A (en) * | 2018-07-13 | 2018-12-07 | 杭州智控网络有限公司 | A kind of planting machine of adjustable light compensating lamp position |
| CN109151128A (en) * | 2018-07-17 | 2019-01-04 | 常州信息职业技术学院 | Mobile phone with support cover board |
| CN110821948A (en) * | 2019-10-15 | 2020-02-21 | 深圳市科曼医疗设备有限公司 | Damping structure, rocker arm mechanism and medical equipment |
| CN116802409A (en) * | 2021-12-15 | 2023-09-22 | 三菱制钢株式会社 | Opening and closing mechanism |
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| CN201277252Y (en) * | 2008-10-28 | 2009-07-22 | 兆利科技工业股份有限公司 | Cam structure with multistage torsion |
| CN101555899A (en) * | 2009-05-20 | 2009-10-14 | 浙江玮硕科技有限公司 | Revolving shaft with muffling cam |
| CN101603565A (en) * | 2008-06-11 | 2009-12-16 | 兆利科技工业股份有限公司 | The pivot device that can correctly assemble |
| CN203463479U (en) * | 2013-09-04 | 2014-03-05 | 昆山玮硕恒基电子科技有限公司 | Hollow multi-section self-closing damping rotating shaft |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005188542A (en) * | 2003-12-24 | 2005-07-14 | Shimonishi Giken Kogyo Kk | Hinge |
| CN201013737Y (en) * | 2007-03-28 | 2008-01-30 | 新日兴股份有限公司 | Three-section type positioning pivotal device |
| CN201236881Y (en) * | 2008-06-03 | 2009-05-13 | 兆利科技工业股份有限公司 | Multistage locating device with stamping closing member |
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| CN201277252Y (en) * | 2008-10-28 | 2009-07-22 | 兆利科技工业股份有限公司 | Cam structure with multistage torsion |
| CN101555899A (en) * | 2009-05-20 | 2009-10-14 | 浙江玮硕科技有限公司 | Revolving shaft with muffling cam |
| CN203463479U (en) * | 2013-09-04 | 2014-03-05 | 昆山玮硕恒基电子科技有限公司 | Hollow multi-section self-closing damping rotating shaft |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930708A (en) * | 2017-05-27 | 2018-12-04 | 昆山玮硕恒基智能科技股份有限公司 | Shaft is with bracket linkage and using its electronic device |
| CN108934566A (en) * | 2018-07-13 | 2018-12-07 | 杭州智控网络有限公司 | A kind of planting machine of adjustable light compensating lamp position |
| CN109151128A (en) * | 2018-07-17 | 2019-01-04 | 常州信息职业技术学院 | Mobile phone with support cover board |
| CN109151128B (en) * | 2018-07-17 | 2020-08-21 | 常州信息职业技术学院 | Mobile phone with supporting cover plate |
| CN110821948A (en) * | 2019-10-15 | 2020-02-21 | 深圳市科曼医疗设备有限公司 | Damping structure, rocker arm mechanism and medical equipment |
| CN110821948B (en) * | 2019-10-15 | 2021-12-10 | 深圳市科曼医疗设备有限公司 | Damping structure, rocker arm mechanism and medical equipment |
| CN116802409A (en) * | 2021-12-15 | 2023-09-22 | 三菱制钢株式会社 | Opening and closing mechanism |
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| PB01 | Publication | ||
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Application publication date: 20150318 |