CN104314969A - Brake pad type rotating shaft structure - Google Patents
Brake pad type rotating shaft structure Download PDFInfo
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- CN104314969A CN104314969A CN201410542134.6A CN201410542134A CN104314969A CN 104314969 A CN104314969 A CN 104314969A CN 201410542134 A CN201410542134 A CN 201410542134A CN 104314969 A CN104314969 A CN 104314969A
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- stopping
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Abstract
The invention discloses a brake pad type rotating shaft structure for a notebook computer. The brake pad type rotating shaft structure mainly comprises a shaft sleeve, a central shaft, a fan-shaped brake pad set, a circular brake pad, an elastic piece, a fastening nut and other components. The rotating shaft has damping torsion generated from a frictional surface of a fan-shaped brake pad and the circular brake pad when the rotating shaft rotates, so that the appropriate damping torsion can be obtained in a smaller volume, the torsion can be adjusted by adjusting a torsion adjusting nut and the fastening nut, and frictional damage to the central shaft is avoided in use; in addition, the rotating shaft structure is compact in design, so the oil leakage phenomenon does not occur in use.
Description
Technical field
The present invention relates to the turning shaft structure that notebook computer is used, particularly one is stopped chip turning shaft structure.
Background technique
Along with the development of notebook computer technology, the requirement of people to its important mechanical part technical performance also improves constantly, for the turning shaft structure as central link part, give multiple design proposal, two technological schemes proposed in two parts of files that wherein China Patent Publication No. is CN202991827U and CN102996616A have relatively more typical representative, although technique scheme solves Problems existing in respective described background technique all preferably, traditional design concept still leaves the shortcoming in mechanism to turning shaft structure.
The shortcoming of above-mentioned turning shaft structure is divided into two large classes substantially, one class relies on fricative radial damping force between central shaft and sleeve assembly to convert the torsion supporting laptop computer displays part to, the stressed fatigue point of this kind of structure concentrates on central shaft, central shaft, with being used in continuous wearing and tearing, is difficult to maintain and replace once damage.Another kind of is that centered by utilizing the shell fragment of axial rub, axle provides damping force, rubbing surface because of its shell fragment only has one, for the torsion obtaining enough support displays must have enough axial compressive force, also just required abundant shell fragment, thus cause central shaft long meeting that the global design of affiliated product is restricted, and more leak outside in use can cause oil leakage phenomenon because above-mentioned two kinds of designs exist structure, these shortcomings all can be made troubles to user.
Summary of the invention
The object of the invention is to, jump out traditional design mode and adopt chip principle of stopping, central shaft is combined among axle sleeve from different sheets of stopping, the rotating part integral assembling of rotating shaft is in axle sleeve, the rotary action radius of central shaft is made to expand to total radius of axis of rotation part from himself radius, and as the stop friction factor that sheet between exist of sheet in its friction of stopping of rotating part self parts for providing applicable damping torsion when turning shaft structure rotates, friction damage can not produced by available protecting central shaft again with set piece, with this closely closed structure avoid occurring oil leakage phenomenon.
For realizing above-mentioned purpose of the present invention, provide following technological scheme:
Design one is stopped chip turning shaft structure, and its main structure comprises: axle sleeve, central shaft, fan-shaped sheet group of stopping, circle parts such as sheet, shell fragment and fastening nut of stopping formed.Described axle sleeve is hollow cylindrical, and boundary dimension determines the space occupy-place of overall turning shaft structure, and provides mounting point for miscellaneous part; Described central shaft string is worn stop sheet, shell fragment and fastening nut flip sleeve of described circle and is loaded in described axle sleeve, and fastened nut lock Dingan County holding position; Described fan-shaped sheet group of stopping, by being arranged on axle sleeve perpendicular to the through hole in axle center, extruding its mutual friction factor mutually for turning shaft structure provide suitable damping torsion with the stop friction surface of sheet of described circle; Described circle sheet of stopping is set in described central shaft, by described shell fragment and fastening nut elastic compression among axle sleeve, the rubbing surface of its rubbing surface and the described fan-shaped fan-shaped sheet of stopping stopped in sheet group is matched be combined into this turning shaft structure to provide damping torsion.
Preferably, described central shaft is anon-normal circular cylinder through the position, stage casing of circular sheet of stopping, and rotates provide torsional moment for driving described circle sheet of stopping.
Preferably, described circle is stopped the middle hole shape of sheet and the anon-normal circular cylinder phase mirror image of described central shaft, the rotary action radius of central shaft is extended to circle and to stop the radius of sheet.
Preferably, the stop frictional contact surface of sheet and fan-shaped sheet of stopping of described circle is the wedge shape that middle webbing is thin, to have maximum surface of contact both when elastic compression.
Preferably, described fan-shaped sheet group of stopping is made up of fan-shaped sheet of stopping, disc spring and torsion regulating nut, wherein fan-shaped sheet of stopping is fitted in the through hole that described axle sleeve is arranged by disc spring elasticity, regulate torsion regulating nut to change disc spring to the pressure of fan-shaped sheet of stopping by rotating, thus adjust the friction factor stopped between sheet.
Preferably, described fan-shaped sheet group of stopping is more than one group, when being uniformly distributed along described axle sleeve radial circumference for during many groups, for described circle is stopped the friction factor that sheet provides enough.
Preferably, the front, bottom of described fan-shaped sheet of stopping be wedge shape so that regulate friction factor when pressing down, side is fan-shapedly make it obtain maximum friction area stopping when sheet contacts with described circle.
One of the present invention is stopped chip turning shaft structure, and because it structurally has large rubbing surface, friction factor can regulate by demand simultaneously, and central shaft is in use without frictional loss, overall structure volume is little, there is not leakage of oil point, efficiently solves Problems existing in prior art.
Accompanying drawing explanation
Accompanying drawing 1 is exploded perspective view of the present invention;
Accompanying drawing 2 is that master of the present invention looks generalized section.
Description of reference numerals: 1, central shaft; 2, axle sleeve; 3, fan-shaped sheet group of stopping; 31, fan-shaped sheet of stopping; 32, disc spring; 33, torsion regulating nut; 4, circle is stopped sheet; 5, shell fragment; 6, fastening nut.
Embodiment
One of the present invention stops chip turning shaft structure as shown in Figures 1 and 2, it is followed, and overall structure is tight, central shaft is not in use worn, obtain the design concept that larger damping torsion also can adjust damping constant as required flexibly with smaller size smaller, by part centre axle 1; Axle sleeve 2; Fan-shaped sheet group 3 of stopping; Circle is stopped sheet 4; Shell fragment 5 and fastening nut 6 assemble.
Described central shaft 1 flip sleeve is loaded within axle sleeve 2, for rectangle makes the circle of mesopore mirror image with it sheet 4 of stopping be set with on it in the middle part of it, end is cylindrically the shell fragment 5 of mesopore mirror image is with it set with on it and is locked in axle sleeve 2 by fastening nut 6 spinning, and central shaft 1 and axle sleeve 2, circle coordinating between sheet 4, shell fragment 5 and fastening nut 6 of stopping is that described turning shaft structure provides the first damping factor.
Described fan-shaped sheet group 3 of stopping is divided into three groups, evenly arrange by each 120 ° in the radial direction of axle sleeve 2, often organize and fan-shapedly stop sheet group 3 all by fan-shaped sheet 31 of stopping, disc spring 32 and torsion regulating nut 33 form, wherein the top of fan-shaped sheet 31 of stopping provides support for disc spring 32 for circular, the front, bottom of fan-shaped sheet 31 of stopping is the adjustment that wedge shape is convenient to damping constant, side is that the friction area of the fan-shaped sheet 4 that makes it to stop with circle when contacting reaches maximum, along with the spinning of top torsion regulating nut 33, disc spring 32 presses down fan-shaped sheet 31 of stopping with elastic pressure, make the side of fan-shaped sheet of stopping to circle stop sheet rubbing surface formed extruding, for described turning shaft structure provides the second damping factor.
Described turning shaft structure can form system friction coefficient by regulating fastening nut 6 or regulating the mode of torsion regulating nut 33 first torsion factor superpose with the second torsion factor, centered by axle 1 output damping torsion when rotation.
In sum, a kind of chip turning shaft structure of stopping of the present invention with its compact structure, agile regulative mode and small and exquisite volume for the folding of notebook host and display device provides applicable damping torsion, and possess central shaft in use without wearing and tearing, overall structure is without leakage of oil, component are convenient to the advantages such as dismounting maintenance, for the user of notebook computer of new generation brings convenience.
Claims (7)
1. stop a chip turning shaft structure, main structure comprises: axle sleeve, central shaft, fan-shaped sheet group of stopping, circle parts such as sheet, shell fragment and fastening nut of stopping formed, and it is characterized in that:
Described axle sleeve is hollow cylindrical, and boundary dimension determines the space occupy-place of overall turning shaft structure, and provides mounting point for miscellaneous part;
Described central shaft string is worn stop sheet, shell fragment and fastening nut flip sleeve of described circle and is loaded in described axle sleeve, and fastened nut lock Dingan County holding position;
Described fan-shaped sheet group of stopping, by being arranged on axle sleeve perpendicular to the through hole in axle center, extruding its mutual friction factor mutually for turning shaft structure provide suitable damping torsion with the stop friction surface of sheet of described circle;
Described circle sheet of stopping is set in described central shaft, by described shell fragment and fastening nut elastic compression among axle sleeve, the rubbing surface of its rubbing surface and the described fan-shaped fan-shaped sheet of stopping stopped in sheet group is matched be combined into this turning shaft structure to provide damping torsion.
2. one according to claim 1 is stopped chip turning shaft structure, it is characterized in that:
Described central shaft is anon-normal circular cylinder through the position, stage casing of circular sheet of stopping, and rotates provide torsional moment for driving described circle sheet of stopping.
3. one according to claim 2 is stopped chip turning shaft structure, it is characterized in that:
Described circle is stopped the middle hole shape of sheet and the anon-normal circular cylinder phase mirror image of described central shaft, the rotary action radius of central shaft is extended to circle and to stop the radius of sheet.
4. one according to claim 3 is stopped chip turning shaft structure, it is characterized in that:
The stop frictional contact surface of sheet and fan-shaped sheet of stopping of described circle is the wedge shape that middle webbing is thin, to have maximum surface of contact both when elastic compression.
5. one according to claim 1 is stopped chip turning shaft structure, it is characterized in that:
Described fan-shaped sheet group of stopping is made up of fan-shaped sheet of stopping, disc spring and torsion regulating nut, wherein fan-shaped sheet of stopping is fitted in the through hole that described axle sleeve is arranged by disc spring elasticity, regulate torsion regulating nut to change disc spring to the pressure of fan-shaped sheet of stopping by rotating, thus adjust the friction factor stopped between sheet.
6. one according to claim 5 is stopped chip turning shaft structure, it is characterized in that:
Described fan-shaped sheet group of stopping is more than one group, when being uniformly distributed along described axle sleeve radial circumference for during many groups, for described circle is stopped the friction factor that sheet provides enough.
7. one according to claim 5 is stopped chip turning shaft structure, it is characterized in that:
The front, bottom of described fan-shaped sheet of stopping be wedge shape so that regulate friction factor when pressing down, side is fan-shapedly make it obtain maximum friction area stopping when sheet contacts with described circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542134.6A CN104314969B (en) | 2014-10-14 | 2014-10-14 | A kind of brake chip pivot structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542134.6A CN104314969B (en) | 2014-10-14 | 2014-10-14 | A kind of brake chip pivot structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104314969A true CN104314969A (en) | 2015-01-28 |
| CN104314969B CN104314969B (en) | 2017-11-24 |
Family
ID=52370251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410542134.6A Active CN104314969B (en) | 2014-10-14 | 2014-10-14 | A kind of brake chip pivot structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104314969B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431339A (en) * | 2020-05-17 | 2020-07-17 | 重庆玮硕恒基电脑配件有限公司 | Servo motor with adjustable torsion device |
| CN111796634A (en) * | 2020-06-29 | 2020-10-20 | 维沃移动通信有限公司 | Electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204362U (en) * | 1985-10-17 | 1986-10-15 | 刘雄飞 | Rotating tightness adjustable stepless positioning hinge |
| DE20009082U1 (en) * | 2000-05-19 | 2001-09-27 | Dr. Hahn GmbH & Co. KG, 41189 Mönchengladbach | Hinge for doors, windows and the like |
| US6739020B1 (en) * | 1999-11-04 | 2004-05-25 | Edscha Ag | Door hinge with an integrated door stop |
| CN102436990A (en) * | 2011-12-06 | 2012-05-02 | 洛阳高拓机械设备有限公司 | Friction power device used for tube rotation |
-
2014
- 2014-10-14 CN CN201410542134.6A patent/CN104314969B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204362U (en) * | 1985-10-17 | 1986-10-15 | 刘雄飞 | Rotating tightness adjustable stepless positioning hinge |
| US6739020B1 (en) * | 1999-11-04 | 2004-05-25 | Edscha Ag | Door hinge with an integrated door stop |
| DE20009082U1 (en) * | 2000-05-19 | 2001-09-27 | Dr. Hahn GmbH & Co. KG, 41189 Mönchengladbach | Hinge for doors, windows and the like |
| CN102436990A (en) * | 2011-12-06 | 2012-05-02 | 洛阳高拓机械设备有限公司 | Friction power device used for tube rotation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431339A (en) * | 2020-05-17 | 2020-07-17 | 重庆玮硕恒基电脑配件有限公司 | Servo motor with adjustable torsion device |
| CN111796634A (en) * | 2020-06-29 | 2020-10-20 | 维沃移动通信有限公司 | Electronic device |
| CN111796634B (en) * | 2020-06-29 | 2022-07-12 | 维沃移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104314969B (en) | 2017-11-24 |
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Effective date of registration: 20201210 Address after: 601-g6-1, 6th floor, building 2, No. 6, Shangdi West Road, Haidian District, Beijing 100085 Patentee after: Lenovo Kaitian Technology Co., Ltd Address before: 230601 418, 4 building, Hai Heng mansion 6, Cui Wei Road, Hefei economic and Technological Development Zone, Anhui Patentee before: HEFEI LCFC INFORMATION TECHNOLOGY Co.,Ltd. |
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