CN109026980A - Frictional shaft - Google Patents
Frictional shaft Download PDFInfo
- Publication number
- CN109026980A CN109026980A CN201811179865.3A CN201811179865A CN109026980A CN 109026980 A CN109026980 A CN 109026980A CN 201811179865 A CN201811179865 A CN 201811179865A CN 109026980 A CN109026980 A CN 109026980A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- shell
- fixing axle
- opening
- friction member
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
- F16C11/103—Arrangements for locking frictionally clamped
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
A kind of frictional shaft, including shell, fixing axle, friction member and rotational structure part, the shell includes the intermediate annular body for being formed through inner cavity, it is opened in first opening and the second opening at annular body length direction both ends, the fixing axle includes the first cylinder, from before first cylinder to the second cylinder for extending and extending second opening, positioning head that is rearwardly extending from first cylinder and being limited in first opening side, the friction member is sheathed on the fixing axle periphery and is contained in the interior intracavitary of the shell, the friction member is fixed on the shell, second cylinder of the fixing axle is fixed as one outside the shell with the rotational fixture.The frictional shaft of the application can be realized to be positioned at any angle.
Description
Technical field
This application involves shaft field, espespecially a kind of frictional shaft.
Background technique
Shaft is widely used in clamshell phone and notes this field for folding control, allow two parts of folding with
When any position in folding.
People's Republic of China's CN102158570A patent discloses a kind of shaft, and the shaft passes through multiple cams
Component cooperates, and provides resistance using spring, uses laciniation between multiple cams, realize determining for multiple predetermined positions
Position hovering is designed similar to the cam of more pencil lead ball-points.The structure is only capable of making being located between two components for connecting shaft
On predetermined position, and it can not achieve the positioning hovering of 180 degree any position.
Summary of the invention
In consideration of it, it is necessary to provide two components that one kind can be such that shaft connects to realize that the frictional of any orientation angle turns
Axis.
In order to solve the above technical problems, this application provides a kind of frictional shaft, including shell, fixing axle, friction member
And rotational structure part, the shell include that centre is formed through the annular body of inner cavity, is opened in the annular body length side
To first opening and the second opening at both ends, the fixing axle include the first cylinder, from before first cylinder to extending and prolong
Stretch out the second cylinder, from first cylinder rearwardly extending and be limited in first opening side of second opening
Positioning head, the friction member are sheathed on the fixing axle periphery and are contained in the interior intracavitary of the shell, and the friction member is solid
Due on the shell, the second cylinder of the fixing axle is fixed as one outside the shell with the rotational fixture.
Preferably, described includes non-closed circular arc main body, the notch in the circular arc main body and from the circular arc
Body outer surface protrudes the retention bead to be formed.
Preferably, the inner wall of the inner cavity of the shell is equipped with locating slot, and the retention bead is caught in the locating slot
Fix the friction member and the relative position of the shell.
Preferably, the friction member is formed together by multiple overlapping combinations, multiple friction member overlappings and shape
At cooperation channel, the first cylinder of the fixing axle is contained in the cooperation channel.
Preferably, internal diameter of the outer diameter of the first cylinder of the fixing axle not less than the circular arc main body of the friction member.
Preferably, the internal diameter of the second opening of the shell is less than the internal diameter of first opening, and first opening is outer
Ora terminalis is formed with stage portion.
Preferably, the fixing axle is inserted into intracavitary in the shell from first opening, and second cylinder is from institute
It states the first opening to extend outside the shell, the positioning head is limited in the stage portion.
Preferably, the rotational structure part is equipped with fixation hole, and the fixation hole is sheathed on outside second cylinder.
Preferably, second cylinder is equipped with arc surface and plane, be equipped in the fixation hole with the arc surface with
The mutually matched structure of plane is so that second cylinder is fixed without can be rotated relative to the rotational structure part.
Preferably, the positioning head includes connecting the embedded division of first cylinder and positioned at the embedded division rear end
Cover, the outer diameter of first cylinder are greater than the outer diameter of second cylinder, and the outer diameter of the embedded division is greater than first column
The outer diameter of body, the outer diameter of the cover are greater than the outer diameter of the embedded division, and the cover is limited in the stage portion.
The frictional shaft of the application is fixed the friction member relative to the shell by the setting of friction member, will be with
The fixing axle that the friction member generates frictional force is fixed relative to the rotational structure part, and the shell and the rotational structure
Part is fixed with the component relatively rotated is needed respectively, can so make two the component rotated realization is needed to position at any angle.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the three-dimensional combination figure of the frictional shaft of the application；
Fig. 2 is the stereogram exploded view of the frictional shaft of the application；
Fig. 3 is the perspective view of the shell of the frictional shaft of the application；
Fig. 4 is the perspective view of the friction member of the frictional shaft of the application；
Fig. 5 is the sectional view of the frictional shaft of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
It please refers to shown in Fig. 1 to Fig. 5, the frictional shaft of the application includes shell 10, fixing axle 20, friction member 40 and turns
Dynamic structural member 30.
The shell 10 is made of metal material, including centre be formed through the annular body 11 of inner cavity, be opened in it is described
First opening 12 at 11 length direction both ends of annular body and the second opening 13, the internal diameter of second opening 13 is less than described the
The internal diameter of one opening 12, and blocking part 16 is formed at second opening, 13 edges.First opening, 12 external end edges are formed with
Stage portion 14, the stage portion 14 include being opened in first step 141 on the outside of the inner cavity and using the inner cavity as second
Step 142, the internal diameter of the first step 141 are greater than the internal diameter of the second step 142 or inner cavity.On the inner wall of the inner cavity
Locating slot 15 is offered in the length direction of the shell 10, the internal diameter of the 15 place cambered surface of locating slot is greater than the First
The internal diameter of rank 141.
The fixing axle 20 includes the first cylinder 21, the positioning head 23 for being formed in 21 tail portion of the first cylinder and from institute
State the second cylinder 22 that the first cylinder 21 extends to form forward.The positioning head 23 includes the embedding of connection first cylinder 21
Enter portion 231 and the cover 232 positioned at 231 rear end of embedded division, the outer diameter of first cylinder 21 is greater than second cylinder
22 outer diameter, the outer diameter of the embedded division 231 are greater than the outer diameter of first cylinder 21, and the outer diameter of the cover 232 is greater than institute
State the outer diameter of embedded division 231.
The friction member 40 includes non-closed circular arc main body 41, the notch 42 in the circular arc main body 41 and from institute
It states 41 outer surface of circular arc main body and protrudes the retention bead 43 to be formed.The notch 42 makes the circular arc main body 41 constitute non-closed knot
Structure, multiple friction members 40 are overlapped and form cooperation channel 44 to accommodate the first cylinder 21 of the fixing axle 20.The limit convex
Playing 43 and being caught in the locating slot 15 of 10 inner cavity of shell keeps the friction member 40 fixed relative to the shell 10.It is described
Matching between the first cylinder 21 and the cooperation channel of the friction member 40 is combined into interference fit to generate enough frictional force.
The fixation hole 31 of the second cylinder 22 of the fixed fixing axle 20 is offered among the rotational structure part 30, it is described
Second cylinder 22 is equipped with arc surface 221 and plane 222, is equipped with and the circular arc in the fixation hole 31 of the rotational structure part 30
Face 221 is with the mutually matched structure of plane so that second cylinder 22 is fixed relative to the rotational structure part 30 and can not turn
It is dynamic.
When assembling, by existing 21 periphery of the first cylinder that the friction member 40 is inserted in the fixing axle 20, by the fixation
22 one end of the second cylinder of axis 20 is from the 12 insertion shell 10 of the first opening of the shell 10, at this point, the friction member
40 correspondence of retention bead 43 is caught in the limiting slot 15 of the shell 10, and the second cylinder 22 of the fixing axle 20 is from described the
Two openings 13 are extended outside the shell 10, and the positioning head 23 is limited in first opening, 12 sides, i.e., the described lid
Portion 232 is positioned in the stage portion 14；Finally, the rotational structure part 30 to be sheathed on to the second cylinder of the fixing axle 20
On 22 and the fixing axle 20 is made to be fixed as one with the rotational structure part 30.
The shell 10, fixing axle 20, friction member 40 are metal material, the friction member 40 and the fixing axle 20
Second cylinder, 22 outer surface is using the material that can produce larger frictional force.
The frictional shaft of the application passes through the setting of friction member 40, and the friction member 40 is consolidated relative to the shell 10
It is fixed, the fixing axle 20 that frictional force is generated with the friction member 40 is fixed relative to the rotational structure part 30, and the shell
10 fix with the component relatively rotated is needed respectively with the rotational structure part 30, can so make two components for needing to rotate real
Now position at any angle.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of frictional shaft, which is characterized in that including shell, fixing axle, friction member and rotational structure part, the shell packet
Intermediate the first opening for being formed through the annular body of inner cavity, being opened in annular body length direction both ends is included to open with second
Mouthful, the fixing axle include the first cylinder, from before first cylinder to extend and extend it is described second opening the second column
Body, positioning head rearwardly extending from first cylinder and being limited in first opening side, the friction member are arranged
In fixing axle periphery and it is contained in intracavitary in the shell, the friction member is fixed on the shell, the fixation
Second cylinder of axis is fixed as one outside the shell with the rotational fixture.
2. frictional shaft as described in claim 1, which is characterized in that described includes non-closed circular arc main body, set on institute
It states the notch in circular arc main body and protrudes the retention bead to be formed from the circular arc body outer surface.
3. frictional shaft as claimed in claim 2, which is characterized in that the inner wall of the inner cavity of the shell is equipped with positioning
Slot, the retention bead, which is caught in the locating slot, fixes the friction member and the relative position of the shell.
4. frictional shaft as claimed in claim 3, which is characterized in that the friction member is by multiple overlapping combinations one
Rise and formed, multiple friction members be overlapped and formed cooperation channel, the first cylinder of the fixing axle be contained in it is described cooperation lead to
In road.
5. frictional shaft as claimed in claim 4, which is characterized in that the outer diameter of the first cylinder of the fixing axle is not less than
The internal diameter of the circular arc main body of the friction member.
6. frictional shaft as described in claim 1, which is characterized in that the internal diameter of the second opening of the shell is less than described
The internal diameter of first opening, the first open outer end edge are formed with stage portion.
7. frictional shaft as claimed in claim 6, which is characterized in that the fixing axle is from described in the first opening insertion
Shell it is interior intracavitary, second cylinder from it is described first opening extends outside the shell, the positioning head is limited in institute
It states in stage portion.
8. frictional shaft as claimed in claim 7, which is characterized in that the rotational structure part is equipped with fixation hole, described solid
Determine hole to be sheathed on outside second cylinder.
9. frictional shaft as claimed in claim 8, which is characterized in that second cylinder is equipped with arc surface and plane,
It is equipped in the fixation hole with the arc surface and the mutually matched structure of plane so that second cylinder is relative to described turn
Dynamic structural member is fixed without can be rotated.
10. frictional shaft as claimed in claim 7, which is characterized in that the positioning head includes connecting first column
The embedded division of body and cover positioned at the embedded division rear end, the outer diameter of first cylinder are greater than the outer of second cylinder
Diameter, the outer diameter of the embedded division are greater than the outer diameter of first cylinder, and the outer diameter of the cover is greater than the outer diameter of the embedded division,
The cover is limited in the stage portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179865.3A CN109026980A (en) | 2018-10-10 | 2018-10-10 | Frictional shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179865.3A CN109026980A (en) | 2018-10-10 | 2018-10-10 | Frictional shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026980A true CN109026980A (en) | 2018-12-18 |
Family
ID=64616503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179865.3A Pending CN109026980A (en) | 2018-10-10 | 2018-10-10 | Frictional shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026980A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217528A (en) * | 2021-05-24 | 2021-08-06 | 东莞市原创玩具有限公司 | Model joint structure |
| WO2021231038A1 (en) * | 2020-05-13 | 2021-11-18 | Microsoft Technology Licensing, Llc | Variable friction hinged device |
| CN114111502A (en) * | 2021-12-27 | 2022-03-01 | 江苏鑫悦汽车零部件有限公司 | A diversified check out test set for engine valve pole |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2410466Y (en) * | 2000-01-31 | 2000-12-13 | 远见科技股份有限公司 | Pivot device |
| CN2499624Y (en) * | 2001-09-11 | 2002-07-10 | 骍吉兴业股份有限公司 | Radial fastening structure for rotary shaft |
| US6467129B1 (en) * | 1999-05-20 | 2002-10-22 | Heun-Jong Bae | Friction hinge device |
| JP3135911U (en) * | 2007-07-20 | 2007-10-04 | 陳致軍 | Two-stage pivot for notebook computers |
| CN200982341Y (en) * | 2006-12-06 | 2007-11-28 | 兆利科技工业股份有限公司 | Pivot structure |
| CN201013732Y (en) * | 2007-03-09 | 2008-01-30 | 兆利科技工业股份有限公司 | Fixing structure of rotating shaft |
| CN201096139Y (en) * | 2007-02-15 | 2008-08-06 | 朝歆实业有限公司 | Pivot mechanism |
| CN209444701U (en) * | 2018-10-10 | 2019-09-27 | 深圳市长盈精密技术股份有限公司 | Frictional shaft |
-
2018
- 2018-10-10 CN CN201811179865.3A patent/CN109026980A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6467129B1 (en) * | 1999-05-20 | 2002-10-22 | Heun-Jong Bae | Friction hinge device |
| CN2410466Y (en) * | 2000-01-31 | 2000-12-13 | 远见科技股份有限公司 | Pivot device |
| CN2499624Y (en) * | 2001-09-11 | 2002-07-10 | 骍吉兴业股份有限公司 | Radial fastening structure for rotary shaft |
| CN200982341Y (en) * | 2006-12-06 | 2007-11-28 | 兆利科技工业股份有限公司 | Pivot structure |
| CN201096139Y (en) * | 2007-02-15 | 2008-08-06 | 朝歆实业有限公司 | Pivot mechanism |
| CN201013732Y (en) * | 2007-03-09 | 2008-01-30 | 兆利科技工业股份有限公司 | Fixing structure of rotating shaft |
| JP3135911U (en) * | 2007-07-20 | 2007-10-04 | 陳致軍 | Two-stage pivot for notebook computers |
| CN209444701U (en) * | 2018-10-10 | 2019-09-27 | 深圳市长盈精密技术股份有限公司 | Frictional shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021231038A1 (en) * | 2020-05-13 | 2021-11-18 | Microsoft Technology Licensing, Llc | Variable friction hinged device |
| US11530561B2 (en) | 2020-05-13 | 2022-12-20 | Microsoft Technology Licensing, Llc | Variable friction hinged device |
| CN113217528A (en) * | 2021-05-24 | 2021-08-06 | 东莞市原创玩具有限公司 | Model joint structure |
| CN114111502A (en) * | 2021-12-27 | 2022-03-01 | 江苏鑫悦汽车零部件有限公司 | A diversified check out test set for engine valve pole |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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