CN2876419Y - Stepless rotation shaft - Google Patents
Stepless rotation shaft Download PDFInfo
- Publication number
- CN2876419Y CN2876419Y CN 200620056931 CN200620056931U CN2876419Y CN 2876419 Y CN2876419 Y CN 2876419Y CN 200620056931 CN200620056931 CN 200620056931 CN 200620056931 U CN200620056931 U CN 200620056931U CN 2876419 Y CN2876419 Y CN 2876419Y
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- CN
- China
- Prior art keywords
- fixed block
- fixed
- rotating component
- friction pads
- locked spacer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a stepless turn shaft, including a fixed piece, at least a flexible gasket, at least a friction gasket, at least a stop gasket, a anti-loose nut and a turn piece; the turn piece is provided with a base part and a column-shaped fixed shaft; the fixed piece is provided with a fixed hole, which is a rounded penetrated hole; the fixed hole of the fixed piece is provided on the fixed shaft of the turn piece; the flexible gasket, the friction gasket, the stop gasket and the anti-loose nut are all provided on the fixed shaft of the turn piece; the anti-loose nut is provided on the end of the fixed shaft which is far from the base part; the fixed piece and the flexible gasket are arranged between the bases of the anti-loose nut and the turn piece, wherein the flexible gasket is arranged between the anti-loose nut and the fixed piece, at least one stop gasket is provided between the flexible gasket and the fixed piece, and at least one friction gasket is provided between the fixed piece and the base of the turn piece. The invention takes use of the friction between the elements as the resistance between the moving part and the fixed part during turning to realize the stepless turning between the moving part and the fixed part.
Description
Technical field
The utility model relates to a kind of connecting mechanism for rotating, more particularly, relates to a kind of stepless rotating shaft.
Background technique
At present, can satisfy Visual Telephone, car-mounted terminal, notebook computer, LCD TVs, liquid crystal display, and other video terminal of band LCD or the like, often need certain part (as display screen) to do rotation.
Fig. 1 shows a kind of clamshell handset, clamshell handset has comprised mobile phone main body 110 and has renovated 120, both couple at linkage 130 places, renovate 120 and can change between unlatching and closed two states along the direction shown in the arrow among the figure with respect to 110 rotations of mobile phone main body.Present in the design of linkage 130, the general hinge that cooperates spring or spring-piece type with cam that adopts makes that renovating 120 can be fixed in unlatching and closed state according to the effect of elastic force.
The shortcoming of the prior art is: the angle of renovating 120 rotations is fixed, and must rotate between unlatching and closed two states, and can only stop at unlatching and closed two positions, can not realize stepless freely rotation.
At present in order to satisfy the different demands of different occasions, the different requirements of the angle that tilts such as display screen, or the like, often need rotating part to do stepless rotation, not only Xuan Zhuan angle is unrestricted, and can stop at any one angle.
The model utility content
The technical problems to be solved in the utility model is, a kind of stepless rotating shaft is provided, and solves the problem that prior art can not be carried out stepless rotation.
The technological scheme that its technical problem that solves the utility model adopts is: comprise fixed block, at least one resilient pad, at least one friction pads, at least one locked spacer, lock nut, and rotating component, rotating component is provided with base portion and cylindrical stationary axle, fixed block is provided with fixed hole, this fixed hole is a manhole, the fixed hole of fixed block is sheathed on the stationary axle of rotating component, resilient pad, friction pads, locked spacer and lock nut all are sheathed on the stationary axle of rotating component, lock nut is arranged at the end of stationary axle away from base portion, fixed block and resilient pad are between the base portion of lock nut and rotating component, wherein, resilient pad is between lock nut and fixed block, a locked spacer is set between resilient pad and the fixed block at least, a friction pads is set between the base portion of fixed block and rotating component at least.
Implement stepless rotating shaft of the present utility model, its beneficial effect is: utilize the frictional force between the element, resistance during as rotation between fixed block and the rotating component, reach the stepless rotation that has certain damping between fixed block and the rotating component, can be applied to realize stepless rotation in the equipment such as video terminal of Visual Telephone, car-mounted terminal, notebook computer, LCD TVs, liquid crystal display, band LCD.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the rotating machinery schematic perspective view of the prior art relevant with the utility model.
Fig. 2 is the perspective exploded view of the stepless rotating shaft of the utility model.
Fig. 3 is the schematic perspective view of the friction pads in the utility model.
Fig. 4 is the schematic perspective view of the locked spacer in the utility model.
Embodiment
As shown in Figure 2, a kind of stepless rotating shaft of the utility model, comprise fixed block 3, resilient pad 5, friction pads 2, locked spacer 4, lock nut 6, and rotating component 1, rotating component 1 is provided with base portion and stationary axle, wherein the radius of stationary axle is less, and the radius of base portion is bigger, and fixed block 3, resilient pad 5, friction pads 2, locked spacer 4 and lock nut 6 all are sheathed on the stationary axle of rotating component 1.Lock nut 6 is arranged at the end of stationary axle away from base portion, and fixed block 3 and resilient pad 5 are between the base portion of lock nut 6 and rotating component 1, and resilient pad 5 is between lock nut 6 and fixed block 3.Resilient pad 5 is provided with one at least, friction pads 2 and locked spacer 4 also are provided with one respectively at least, wherein, a locked spacer 4 is set at least between resilient pad 5 and the fixed block 3, a friction pads 2 is set between the base portion of fixed block 3 and rotating component 1 at least.After lock nut 6 is tightened, because the anti-loose function of lock nut 6, so lock nut 6 is relative static with rotating component 1, fixed block 3 can be done stepless rotation with respect to lock nut 6 and rotating component 1, locked spacer 4 and friction pads 2 are set, mainly be in order to prevent that fixed block 3 from when rotating, causing lock nut 6 and rotating component 1 to get loose.Wherein, the effect of locked spacer 4 mainly is directly to contact with fixed block 3 for fear of resilient pad 5, the effect of friction pads 2 mainly is directly to contact for fear of the base portion of fixed block 3 with rotating component 1, avoid fixed block 3 when rotating, base portion and resilient pad 5 to rotating component 1 produce frictional force, and further avoid 5 pairs of lock nuts of resilient pad 6 to produce frictional force.
As optimal way, a locked spacer 4 is set between resilient pad 5 and the lock nut 6 at least, a friction pads 2 is set between locked spacer 4 and the fixed block 3 at least.The effect of the locked spacer 4 that increases newly mainly is directly to contact with lock nut 6 for fear of resilient pad 5, the effect of the friction pads 2 that increases newly mainly is directly to contact with locked spacer 4 for fear of fixed block 3, thereby when rotating, drop to minimum fixed block 3 to the influence of lock nut 6.
Fixed block 3 is provided with fixed hole, this fixed hole is a manhole, and the fixed hole of fixed block 3 is sheathed on the stationary axle of rotating component 1, thereby fixed block 3 and rotating component 1 are fitted together, because fixed hole is a manhole, so fixed block 3 can rotate with respect to rotating component 1.
Friction pads 2 is provided with matching hole, the matching hole of friction pads 2 is sheathed on the stationary axle of rotating component 1, as better embodiment, this matching hole is set to manhole, the matching hole of friction pads 2 is sheathed on the stationary axle of rotating component 1, thereby friction pads 2 and rotating component 1 are fitted together, because friction pads 2 is a manhole, so friction pads 2 can rotate with respect to rotating component 1.In conjunction with consulting Fig. 3, friction pads 2 is provided with suitable groove or pit, accommodate lubricant grease in described groove or the pit, in a period of time, guarantee flowing and supply of lubricant grease, to guarantee that the surface that friction pads 2 contacts with other elements has good lubricating, wherein, the mode that groove and pit are provided with is same as the prior art, does not repeat them here.
Because fixed block 3 is adjacent with friction pads 2, and the stationary axle that the circular matching hole of friction pads 2 can relatively rotate part 1 rotates, so when fixed block 3 rotates with respect to rotating component 1, friction pads 2 is under the drive of fixed block 3, can be along with fixed block 3 rotates simultaneously, make fixed block 3 when rotating, not have too big resistance, guarantee to rotate smooth and easy.In order to prevent that friction pads 2 is along with fixed block 3 is too fast rotationally, friction pads 2 surfaces are provided with lubricant grease, make the frictional force between fixed block 3 and the friction pads 2 reduce like this, so the rotational velocity of friction pads 2 can be far smaller than the rotational velocity of fixed block 3, thus when having reduced fixed block 3 and having rotated to the influence of other adjacent element.
As optimal way, the stationary axle of rotating component 1 is cylindrical, axial sides in stationary axle has been recessed to form at least one flat face, locked spacer 4 is provided with profiled holes, when locked spacer 4 is sheathed on the stationary axle of rotating component 1, the special-shaped hole wall of locked spacer 4 is connected on the flat face of stationary axle, makes locked spacer 4 can not rotate with respect to the stationary axle of rotating component 1, thereby the frictional force can avoid fixed block 3 rotated the time is passed to lock nut 6.In conjunction with consulting Fig. 4, as optimal way, locked spacer 4 also is provided with suitable groove or pit, accommodate lubricant grease in described groove or the pit, in a period of time, guarantee flowing and supply of lubricant grease, have good lubricating to guarantee the surface that locked spacer 4 contacts with other elements, wherein, the mode that groove and pit are provided with is same as the prior art, does not repeat them here.
The profiled holes of locked spacer 4 is with after the stationary axle of rotating component 1 cooperates, can guarantee between locked spacer 4 and the rotating component 1 it is static relatively, can not rotate, thereby avoid the rotation of fixed block 3 is had influence on lock nut 6, thereby prevent that lock nut 6 from getting loose.
Between locked spacer 4 and fixed block 3, friction pads 2 can be set, reduce the influence of 3 pairs of locked spacers 4 of fixed block by friction pads 2.The surface of locked spacer 4 can also be provided with lubricant grease, by lubricant grease, reduce the frictional force of 3 pairs of locked spacers 4 of fixed block when between fixed block 3 and locked spacer 4, not establishing friction pads 2, in the time of also can between fixed block 3 and locked spacer 4, being provided with friction pads 2, reduce the frictional force of 2 pairs of locked spacers 4 of friction pads.In addition, if be provided with locked spacer 4 between resilient pad 5 and the lock nut 6, the influence in the time of can avoiding fixed block 3 rotations is delivered to lock nut 6.
When fixed block 3 rotates with respect to rotating component 1, can be by changing the frictional force between fixed block 3 and friction pads 2 or the locked spacer 4, and the moment when changing fixed block 3 and rotating, thus change the feel of rotation.Frictional force between fixed block 3 and friction pads 2 or the locked spacer 4 is big more, and the moment that fixed block 3 needs when rotating is just big more, and on the contrary, the frictional force between fixed block 3 and friction pads 2 or the locked spacer 4 is more little, and the moment that fixed block 3 needs when rotating is just more little.
An aspect, it is tight more that lock nut 6 is twisted, and the frictional force between fixed block 3 and friction pads 2 or the locked spacer 4 is just big more, and the moment of rotation when fixed block 3 rotates is just big more.Can be by regulating the locking moment of torsion of lock nut, the moment of rotation when changing fixed block 3 rotations obtains a desirable rotation feel with this.
On the other hand, the quantity that resilient pad 5 is provided with is many more or radius is big more, and elasticity is just big more, and it is tight more that lock nut 6 just can be twisted.The radius of resilient pad 5 is big more, correspondingly, need with lock nut, friction pads, and the radius of locked spacer increase to the radius of resilient pad 5 and equate, fixed block also should increase with the radius of resilient pad 5 with the radius of friction pads contact segment and equates.
The stepless rotating shaft of a kind of friction type of the utility model, utilize the frictional force between the element, resistance during as rotation between fixed block and the rotating component, reach the stepless rotation that has certain damping between fixed block and the rotating component, can be applied to realize stepless rotation in the equipment such as video terminal of Visual Telephone, car-mounted terminal, notebook computer, LCD TVs, liquid crystal display, band LCD.Fixed block and rotating component in the stepless rotating shaft of the utility model, because will link to each other with motion module with the stuck-module (bearing, housing etc.) of equipment respectively, can be according to the needs of equipment profile, and the structure characteristics of stuck-module (bearing, housing etc.) and motion module, be designed to various ways.In Fig. 2, fixed block 3 is to be fixed on the stuck-module (bearing, housing etc.) by two bolts (be mounted on the bolt hole shown in the figure in), and rotating component 1 is that the base portion by its regular hexagon cylinder is plugged on the motion module.
Claims (7)
1, a kind of stepless rotating shaft, it is characterized in that, comprise fixed block, at least one resilient pad, at least one friction pads, at least one locked spacer, lock nut, and rotating component, rotating component is provided with base portion and cylindrical stationary axle, fixed block is provided with fixed hole, this fixed hole is a manhole, the fixed hole of fixed block is sheathed on the stationary axle of rotating component, resilient pad, friction pads, locked spacer and lock nut all are sheathed on the stationary axle of rotating component, lock nut is arranged at the end of stationary axle away from base portion, fixed block and resilient pad are between the base portion of lock nut and rotating component, and wherein, resilient pad is between lock nut and fixed block, a locked spacer is set between resilient pad and the fixed block at least, a friction pads is set between the base portion of fixed block and rotating component at least.
2, stepless rotating shaft according to claim 1 is characterized in that: a locked spacer is set between described resilient pad and the lock nut at least, a friction pads is set between locked spacer and the fixed block at least.
3, stepless rotating shaft according to claim 1, it is characterized in that: the axial sides in described rotating component stationary axle has been recessed to form at least one flat face, described locked spacer is provided with profiled holes, when locked spacer was sheathed on the stationary axle of rotating component, the special-shaped hole wall of locked spacer was connected on the flat face of stationary axle.
4, stepless rotating shaft according to claim 1, it is characterized in that: described friction pads is provided with groove or pit, accommodates lubricant grease in described groove or the pit.
5, stepless rotating shaft according to claim 1, it is characterized in that: described locked spacer is provided with groove or pit, accommodates lubricant grease in described groove or the pit.
6, stepless rotating shaft according to claim 1, it is characterized in that: described friction pads is provided with matching hole, and this matching hole is a manhole, and the matching hole of friction pads is sheathed on the stationary axle of described rotating component.
7, stepless rotating shaft according to claim 1, it is characterized in that: described resilient pad is provided with accepting hole, and this accepting hole is a through hole, and the accepting hole of resilient pad is sheathed on the stationary axle of described rotating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056931 CN2876419Y (en) | 2006-03-22 | 2006-03-22 | Stepless rotation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056931 CN2876419Y (en) | 2006-03-22 | 2006-03-22 | Stepless rotation shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2876419Y true CN2876419Y (en) | 2007-03-07 |
Family
ID=37819656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620056931 Expired - Fee Related CN2876419Y (en) | 2006-03-22 | 2006-03-22 | Stepless rotation shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2876419Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015600A (en) * | 2017-03-27 | 2017-08-04 | 苏州诚骏科技股份有限公司 | A kind of notebook computer pivot device |
| CN109859346A (en) * | 2019-02-28 | 2019-06-07 | 华勤通讯技术有限公司 | A kind of rotational structure and automobile data recorder |
-
2006
- 2006-03-22 CN CN 200620056931 patent/CN2876419Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015600A (en) * | 2017-03-27 | 2017-08-04 | 苏州诚骏科技股份有限公司 | A kind of notebook computer pivot device |
| CN107015600B (en) * | 2017-03-27 | 2023-09-29 | 苏州诚骏科技股份有限公司 | Notebook computer pivot device |
| CN109859346A (en) * | 2019-02-28 | 2019-06-07 | 华勤通讯技术有限公司 | A kind of rotational structure and automobile data recorder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070307 Termination date: 20100322 |