CN201925330U - Pivot device and interfering part - Google Patents
Pivot device and interfering part Download PDFInfo
- Publication number
- CN201925330U CN201925330U CN2010202023787U CN201020202378U CN201925330U CN 201925330 U CN201925330 U CN 201925330U CN 2010202023787 U CN2010202023787 U CN 2010202023787U CN 201020202378 U CN201020202378 U CN 201020202378U CN 201925330 U CN201925330 U CN 201925330U
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- CN
- China
- Prior art keywords
- friction
- rubbing surface
- piece
- axostylus axostyle
- angle
- 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 an interfering part and a pivot device comprising the interfering part. The pivot device comprises a fixed piece, a rotating shaft, the interfering part, a rotary piece, a spring piece group and a fastening piece, wherein the rotating shaft comprises a fixed end fixed on the fixed piece, and a shaft rod, and the rotary piece and the spring piece group are pivoted and sleeved on the shaft rod; the interfering piece is fixedly sleeved on the shaft rod and is propped against the rotary piece, and the fastening piece is fixed at the tail end of the shaft rod; a plurality of mutually joined friction parts are arranged on the end surface of the interfering part facing the rotary piece, and each friction part comprises a friction surface; an inclined joining surface which is smoothly joined with a first side edge of the friction surface is arranged on the first side edge of the friction surface, and a steep scraping surface is arranged on a second side edge of the friction surface; and the scraping surface is connected with the joining surface of the adjacent friction part. The scraping surface is utilized to enhance friction force needing to be overcome when the pivot device rotates, and the smooth transition between the friction surface and the joining surface is utilized to reduce the friction force when the pivot device rotates, so that the purpose that the friction force in the rotation process of the pivot device is changed is achieved.
Description
Technical field
The utility model relates to a kind of pivot device and interference piece.
Background technique
The loam cake of electronic equipment generally links to each other by pivot device with base, so that the relative base of loam cake is opened and be closed.Yet the pivot device of prior art can only provide identical frictional force in the process that pivots.Therefore, when opening this electronic equipment, can need bigger external force could open this loam cake because of the weight of loam cake.When closed this loam cake, the user needs that loam cake is applied a bracketing power and clashes into this base to prevent that this loam cake closing speed is too fast.Thus, when opening or closing this loam cake, all require the user to provide extra strength to control, for the user makes troubles.
The model utility content
In view of above content, be necessary to provide a kind of and be convenient to open and closed pivot device and interference piece.
A kind of pivot device, comprise a fixed block, one rotating shaft, one interference piece, one revolving part, an one shell fragment group and a fastening piece, described rotating shaft comprises a fixed end and an axostylus axostyle that is fixed in described fixed block, described revolving part and the shell fragment group sheathed described axostylus axostyle that all pivots, described interference piece fixed cover is located at described axostylus axostyle and is resisted against described revolving part, described fastening piece is fixed in the end of described axostylus axostyle, described interference piece is provided with some friction parts towards the end face of described revolving part, each friction part comprises a rubbing surface, first lateral margin of described rubbing surface is provided with the interface of the level and smooth inclination that is connected mutually, second lateral margin of described rubbing surface is provided with a precipitous scraping face, and described scraping face links to each other with the interface of adjacent friction part.
Preferably, described interference piece is provided with a mounting hole that is two " D " shapes, and described axostylus axostyle has the sectional shape of two " D " shapes, and described interference piece is located at described axostylus axostyle by described mounting hole fixed cover.
Preferably, described interference piece is ratchet shape towards the end face of described revolving part, and described friction part is around described mounting hole, and extends from the mediad fringe radiation, described revolving part comprises that a rotating sleeve is located at the pivot connecting plate of described axostylus axostyle, and described pivot connecting plate is resisted against described rubbing surface.
Preferably, described pivot connecting plate is provided with a pivoting hole, passes to described spindle rotation described pivoting hole.
Preferably, described revolving part comprises that a rotating sleeve is located at the pivot connecting plate of described axostylus axostyle, and a side of described pivot connecting plate is resisted against described rubbing surface.
Preferably, described pivot connecting plate is provided with a pivoting hole, passes through for described spindle rotation, and described axostylus axostyle fixed cover is provided with one first friction plate, and described first friction plate is folded between another opposite flank and described shell fragment group of described pivot connecting plate.
Preferably, described axostylus axostyle fixed cover is provided with one second friction plate, and described second friction plate is folded between described fastening piece and the described shell fragment group.
A kind of interference piece, its middle part is provided with the mounting hole of a pair of " D " shape, the end face of described interference piece is ratchet shape, which is provided with some around described mounting hole and from the friction part of mediad fringe radiation, each friction part comprises a rubbing surface, first lateral margin of described rubbing surface is and the interface of the level and smooth inclination that is connected mutually of described rubbing surface, and second lateral margin of described rubbing surface is precipitous scraping face, and described scraping face links to each other with the interface of adjacent friction part.
A kind of interference piece, the middle part is provided with a mounting hole, the end face of described interference piece is ratchet shape, which is provided with some around described mounting hole and from the rubbing surface of mediad fringe radiation, first lateral margin of each rubbing surface is provided with one and is the interface of first angle with described rubbing surface, second lateral margin of each rubbing surface is provided with one and is the scraping face of second angle with described rubbing surface, and described first angle is greater than described second angle.
Preferably, described first angle is the obtuse angle, and described second angle is right angle or acute angle.
The utility model pivot device utilizes the scraping face of the friction part of interference piece to strengthen the frictional force that need overcome when rotating, frictional force when utilizing seamlessly transitting between rubbing surface and the interface to reduce rotation reaches the purpose that changes the frictional force in the pivot device rotary course with this.
Description of drawings
The utility model is further described in conjunction with embodiment below with reference to accompanying drawing.
Fig. 1 is the three-dimensional exploded view of the better embodiment of the utility model pivot device, and described pivot device comprises an interference piece.
Fig. 2 is the enlarged view of the interference piece of Fig. 1.
Fig. 3 is the three-dimensional assembly diagram of Fig. 1.
Fig. 4 is the enlarged view of IV part among Fig. 3.
The primary component symbol description
Fixed block 10
Fastener hole 120,320
Fixed end 24
Revolving part 30
Fixing part 32
First lateral margin 441
Second lateral margin 443
Scraping face 446
Fixed hole 52,62
Through hole 72
Fastening piece 90
Embodiment
Please refer to Fig. 1, the better embodiment of the utility model pivot device comprises a fixed block 10, a rotating shaft 20, a revolving part 30, an interference piece 40, one first friction plate 50, one second friction plate 60, a shell fragment group 70 and a fastening piece 90.In the present embodiment, fastening piece 90 is a nut.
Fixed block 10 comprises that a junction 12 and is by joint 12 vertically extending assembly departments 14.Joint 12 is provided with some fastener holes 120, passes for screw or rivet, thereby fixed block 10 is fixed in the base of flip cover assembly, as the main body (figure does not show) of notebook computer.Assembly department 14 is provided with a pilot hole 140 with two " D " shapes.
Revolving part 30 is roughly L-shaped, and it comprises that a fixing part 32 and is from fixing part 32 vertically extending pivot connecting plates 34.Fixing part 32 is provided with some fastener holes 320, passes for screw or rivet, thereby revolving part 30 is fixed in the loam cake of flip cover assembly, as the screen (figure does not show) of notebook computer.Pivot connecting plate 34 is provided with a pivoting hole 340 that runs through its opposite flank, rotates for the axostylus axostyle 22 of rotating shaft 20 and passes.
Please in conjunction with reference Fig. 2, the middle part of interference piece 40 is provided with the mounting hole 42 of a pair of " D " shape, these interference piece 40 fixed covers are located at the axostylus axostyle 22 of rotating shaft 20.Interference piece 40 is ratchet shape towards the end face of revolving part 30, its be provided with some around mounting hole 42 and from the mediad fringe radiation friction part 44.Each friction part 44 comprises the rubbing surface 442 and one and the interface 444 of the inclination that links up smoothly of first lateral margin 441 of rubbing surface 442 of the pivot connecting plate 34 of a parallel revolving part 30.Be the first angle α 1 between interface 444 and the rubbing surface 442.Second lateral margin 443 of rubbing surface 442 is provided with one and is the precipitous scraping face 446 of the second angle α 2 with rubbing surface 442.This scraping face 446 connects the interface 444 of adjacent friction part 44.Wherein, the first angle α 1 is greater than the second angle α 2.In the present embodiment, the first angle α 1 roughly in obtuse angle, the second angle α 2 is roughly at right angles or acute angle.
The structure of first and second friction plate 50,60 is identical, and wherein portion is provided with a pair of " D " shape fixed hole 52,62 respectively, these first and second friction plate 50,60 fixed covers are located at the axostylus axostyle 22 of rotating shaft 20.
Please in conjunction with reference Fig. 3 and Fig. 4, during assembling, the fixed end 24 of rotating shaft 20 is fixed in the pilot hole 140 of fixed block 10.The axostylus axostyle 22 of rotating shaft 20 passes the mounting hole 42 of interference piece 40, the pivoting hole 340 of revolving part 30, the fixed hole 52 of first friction plate 50, the through hole 72 of shell fragment group 70 and the fixed hole 62 of second friction plate 60 successively.Fastening piece 90 is fixed in the end of axostylus axostyle 22, comes off from axostylus axostyle 22 to prevent revolving part 30, interference piece 40, first friction plate 50, second friction plate 60 and shell fragment group 70.At this moment, the rubbing surface 442 of interference piece 40 is replaced a side of the pivot connecting plate 34 of revolving part 30.First friction plate 50 is folded between the another side and shell fragment group 70 of described pivot connecting plate 34.Second friction plate 60 is folded between described shell fragment group 70 and the fastening piece 90.
When needs are flipped open the screen of above-mentioned notebook computer, revolving part 30 is rotated around the axostylus axostyle 22 of rotating shaft 20.At this moment, the pivot connecting plate 34 of revolving part 30 rotates towards the direction of second lateral margin 443 of the rubbing surface 442 of each friction part 44.Because the first angle α 1 between the rubbing surface 442 of each friction part 44 interface 444 corresponding with it is the obtuse angle, make transitions smooth between rubbing surface 442 and the corresponding interface 444, therefore, when pivot connecting plate 34 rotates towards the direction of second lateral margin 443 of rubbing surface 442, the resistance of relative movement is less between pivot connecting plate 34 and the rubbing surface 442, so that the user opens the screen of notebook computer easily.
Conspicuous, when needs are flipped open the screen of above-mentioned notebook computer, counterrotating revolving part 30, promptly the pivot connecting plate 34 of revolving part 30 rotates towards the direction of first lateral margin 441 of the rubbing surface 442 of each friction part 44.Because the scraping face 446 of each friction part 44 is roughly acute angle or right angle with the second angle α 2 between the corresponding rubbing surface 442, make and have a wedge angle between rubbing surface 442 and the corresponding scraping face 446, therefore, when pivot connecting plate 34 rotates towards the direction of first lateral margin 441 of rubbing surface 442, the resistance of relative movement is bigger between pivot connecting plate 34 and the rubbing surface 442, and the main body of clashing into this notebook computer too fast with the screen closing speed that prevents this notebook computer.
In other embodiments, in order to increase the friction dynamics, above-mentioned pivot device can be provided with two interference pieces 40, and makes this two interference piece 40 place the relative bi-side of the pivot connecting plate 34 of described revolving part 30 respectively.
Claims (10)
1. pivot device, comprise a fixed block, one rotating shaft, one interference piece, one revolving part, an one shell fragment group and a fastening piece, described rotating shaft comprises a fixed end and an axostylus axostyle that is fixed in described fixed block, described revolving part and the shell fragment group sheathed described axostylus axostyle that all pivots, described interference piece fixed cover is located at described axostylus axostyle and is resisted against described revolving part, described fastening piece is fixed in the end of described axostylus axostyle, it is characterized in that: described interference piece is provided with some friction parts towards the end face of described revolving part, each friction part comprises a rubbing surface, first lateral margin of described rubbing surface is provided with the interface of the level and smooth inclination that is connected mutually, second lateral margin of described rubbing surface is provided with a precipitous scraping face, and described scraping face links to each other with the interface of adjacent friction part.
2. pivot device as claimed in claim 1 is characterized in that: described interference piece is provided with a mounting hole that is two " D " shapes, and described axostylus axostyle has the sectional shape of two " D " shapes, and described interference piece is located at described axostylus axostyle by described mounting hole fixed cover.
3. pivot device as claimed in claim 2, it is characterized in that: described interference piece is ratchet shape towards the end face of described revolving part, described friction part is around described mounting hole, and extend from the mediad fringe radiation, described revolving part comprises that a rotating sleeve is located at the pivot connecting plate of described axostylus axostyle, and described pivot connecting plate is resisted against described rubbing surface.
4. pivot device as claimed in claim 3 is characterized in that: described pivot connecting plate is provided with a pivoting hole, passes to described spindle rotation described pivoting hole.
5. pivot device as claimed in claim 1 is characterized in that: described revolving part comprises that a rotating sleeve is located at the pivot connecting plate of described axostylus axostyle, and a side of described pivot connecting plate is resisted against described rubbing surface.
6. pivot device as claimed in claim 5, it is characterized in that: described pivot connecting plate is provided with a pivoting hole, pass through for described spindle rotation, described axostylus axostyle fixed cover is provided with one first friction plate, and described first friction plate is folded between another opposite flank and described shell fragment group of described pivot connecting plate.
7. pivot device as claimed in claim 6 is characterized in that: described axostylus axostyle fixed cover is provided with one second friction plate, and described second friction plate is folded between described fastening piece and the described shell fragment group.
8. interference piece, its middle part is provided with the mounting hole of a pair of " D " shape, it is characterized in that: the end face of described interference piece is ratchet shape, which is provided with some around described mounting hole and from the friction part of mediad fringe radiation, each friction part comprises a rubbing surface, first lateral margin of described rubbing surface is and the interface of the level and smooth inclination that is connected mutually of described rubbing surface, and second lateral margin of described rubbing surface is precipitous scraping face, and described scraping face links to each other with the interface of adjacent friction part.
9. interference piece, the middle part is provided with a mounting hole, it is characterized in that: the end face of described interference piece is ratchet shape, which is provided with some around described mounting hole and from the rubbing surface of mediad fringe radiation, first lateral margin of each rubbing surface is provided with one and is the interface of first angle with described rubbing surface, second lateral margin of each rubbing surface is provided with one and is the scraping face of second angle with described rubbing surface, and described first angle is greater than described second angle.
10. interference piece as claimed in claim 9 is characterized in that: described first angle is the obtuse angle, and described second angle is right angle or acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202023787U CN201925330U (en) | 2010-05-25 | 2010-05-25 | Pivot device and interfering part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202023787U CN201925330U (en) | 2010-05-25 | 2010-05-25 | Pivot device and interfering part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201925330U true CN201925330U (en) | 2011-08-10 |
Family
ID=44429180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202023787U Expired - Fee Related CN201925330U (en) | 2010-05-25 | 2010-05-25 | Pivot device and interfering part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201925330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI573010B (en) * | 2016-03-25 | 2017-03-01 | Biaxial hinge | |
| CN113124042A (en) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | Hinge device and folding terminal |
| US11903169B2 (en) | 2021-11-09 | 2024-02-13 | Asustek Computer Inc. | Portable electronic device |
-
2010
- 2010-05-25 CN CN2010202023787U patent/CN201925330U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI573010B (en) * | 2016-03-25 | 2017-03-01 | Biaxial hinge | |
| CN113124042A (en) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | Hinge device and folding terminal |
| CN113124042B (en) * | 2019-12-31 | 2023-03-24 | 华为技术有限公司 | Hinge device and folding terminal |
| US11903169B2 (en) | 2021-11-09 | 2024-02-13 | Asustek Computer Inc. | Portable electronic device |
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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: 20110810 Termination date: 20120525 |