CN201779129U - Double-shaft linked pivot device - Google Patents
Double-shaft linked pivot device Download PDFInfo
- Publication number
- CN201779129U CN201779129U CN2010202040000U CN201020204000U CN201779129U CN 201779129 U CN201779129 U CN 201779129U CN 2010202040000 U CN2010202040000 U CN 2010202040000U CN 201020204000 U CN201020204000 U CN 201020204000U CN 201779129 U CN201779129 U CN 201779129U
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- CN
- China
- Prior art keywords
- support
- blocking element
- fixed
- pivot device
- twin shaft
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- Expired - Lifetime
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model relates to a double-shaft linked pivot device. A first bracket, torsion units, a second bracket, a gear set and a third bracket are sleeved on two mandrels in sequence. Firstly, the torsion units are assembled, then the gear set is assembled, so as not to influence the gear set due to packing in adjusting tension of the torsion unit, which can avoid the unexpected friction surface due to the tight contact and friction among the gear set and the brackets on the two sides and further produce redundant frictional force. Besides, the second bracket and the third bracket pivoted with the gear set are fixed with the first bracket; the first bracket, the second bracket and the third bracket are fixed mutually; and fixed plates that are bent on the first bracket and the second bracket respectively are fixed with rotating shaft covers, so as to enhance the rigidity and the stability of the integral structure.
Description
Technical field
The utility model relates to pivot device, but refers to have the pivot device of twin shaft and twin shaft interlock especially, is applicable to cover-lifting type electronic device.
Background technique
General e-book only has single display screen, and the double-screen electronic writing materials have two screens that can amount to relatively and open, during use just as both hands open the book.Since e-book have usually touch control screen can touch control operation and the double-screen electronic book wish and can be opened to and shakeout 180 degree as opening book, therefore need reach by the pivot device of two rotating shafts and open 180 two screens when spending and can not coincide mutually at the pivot device place, even it is oppositely superimposed to be opened into 360 degree, to make things convenient for touch control operation.Because it is identical that the torsion of two rotating shafts is difficult to control, the rotating shaft meeting elder generation start that torsion is little during closure or openness, therefore very not smooth and easy on manipulating, and the opening angle both sides can be inconsistent.
For two screens can be rotated simultaneously, known pivot device such as TaiWan, China are announced M326330 number utility model patent " rotary type pivot device synchronously ", promptly make two rotating shafts start synchronously by gear.Yet the assembling sequence of this pivot device structure is after loading onto gear train earlier, assembles second portion again, assembles locating piece, elastic washer and fixed block again to produce torsion.Owing to need after having assembled to produce the appropriate torsion value by adjusting fixed block packing elastic washer, locating piece and second portion, therefore, also packing simultaneously is to gear, the both sides of gear must closely contact and form unexpected rubbing surface with first portion, second portion, and produce unnecessary frictional force.And if its surface of contact flatness is not good, use afterwards easy to wear for a long time and problem that cause torsion to fail.In addition,, do not interfix between the two because its first portion and second portion are sheet structure, and not and the lid of the rotating shaft between panel and the main frame fix, therefore, its overall structure rigidity a little less than.
Summary of the invention
Main purpose of the present utility model provides a kind of twin shaft linkage type pivot device, by assembling the torsion unit earlier, again in the terminal Assembling gear group of axle, when making the torsion of adjusting the torsion unit, can packing not have influence on gear train, can avoid the tight contact friction of support of gear train and its both sides to form unexpected rubbing surface, and produce unnecessary frictional force.Also can avoid the surface of contact of gear and support not good for the permanent problem of using the back to cause the torsion decline because of wearing and tearing because of flatness.
Another purpose of the present utility model provides a kind of twin shaft linkage type pivot device, and its second support and the 3rd support that articulates gear train is all fixed with first support, interfixes between three supports, therefore can strengthen structural rigidity.And first support and second support bend the upper and lower covers of fixed plate and rotating shaft lid respectively and fix, and also increase integrally-built intensity and stability.
For achieving the above object, the technological means that the utility model twin shaft linkage type pivot device is taked comprises: first support is provided with two pivot holes; Two axles, the one end is fixed on link, and the other end is arranged in the pivot hole of this first support, and these axles respectively are arranged with the torsion unit; Second support and the 3rd support, each is located at the terminal of these axles and is individually fixed in this first support with two pivot borehole jacks, and this torsion unit is located between this second support and this first support; Gear train is located between this second support and the 3rd support, and this gear train comprises two master gears and intermeshing two idle pulleys that are sheathed on these axles, and these two idle pulleys also are meshed with these master gears respectively.
According to an embodiment, second frame bottom bending fixed plate and the first support interlocking are fixed, and the upper end bends another fixed plate and uses the loam cake or the lower cover that cover with rotating shaft to fix.The 3rd frame bottom bending fixed plate and the first support interlocking are fixed.First support also bends fixed plate and the loam cake or the lower cover of rotating shaft lid are fixed.
For further understanding feature of the present utility model, technological means and the concrete function of being realized, purpose, now enumerate specific embodiment and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is an assembling stereogram of the present utility model.
Fig. 2 is a parts explosion of the present utility model.
Fig. 3 is a side-looking floor map of the present utility model.
Fig. 4 is the schematic representation that the utility model is applied to the double-screen electronic book.
Fig. 5 is the enlarged diagram of the utility model first blocking element and second blocking element.
Fig. 6 is the schematic representation of the utility model at 0 degree closed state.
Fig. 7 is that the utility model is at the action schematic representation that is opened into 180 degree.
The reference character Schedule
1, first support 10, pivot hole
11, fixed hole 12, fixed hole
13, fixed plate 14, embedding hole
2, axle 20, axostylus axostyle
3, link 4, torsion unit
41, first blocking element 410, projection
411, location jog 42, second blocking element
421, location jog 422, trepanning
43, elastic component 430, shell fragment
44, packing assembly 45, pad
5, second support 50, pivot hole
51,52, fixed plate 510, fixed hole
53, axis hole 6, the 3rd support
60, pivot hole 61, fixed plate
610, fixed hole 62, axis hole
7, gear train 71, master gear
710, trepanning 72, idle pulley
720, axle A, screen
B, rotating shaft lid
Embodiment
Seeing also Fig. 1 to Fig. 4, is respectively assembling stereogram of the present utility model, parts explosion, side-looking floor map and application schematic representation.The utility model relates to a kind of twin shaft linkage type pivot device, comprises first support 1, and it is provided with two pivot holes 10, and a plurality of fixed hole 11,12, and the one end also is bent to form the fixed plate 13 that is provided with fixed hole, in order to combine fixing with loam cake or the lower cover of rotating shaft lid B.Two axles 2 respectively are arranged in two pivot holes 10 of first support 1 with non-circular axostylus axostyle 20.Two link 3 each build-ins are in an end of two axles 2, and link 3 is in order to be fixed in the screen A of double-screen electronic book, and 3 of another links are fixed in another screen A '.Perhaps, link 3 is fixed in the screen of electronic product, and another link 3 is fixed in the base body of electronic product.
Respectively be arranged with torsion unit 4 on the non-circular axostylus axostyle 20 of two axles 2, torsion unit 4 comprises chimeric first blocking element 41 and second blocking element 42, elastic component 43 and packing assembly 44 mutually.The one side of first blocking element 41 is with the embedding hole 14 of projection 410 build-ins in first support 1, and another side is provided with location jog 411.The one side of second blocking element 42 also is provided with location jog 421, the location jog 411 mutual chimeric location of rotatable and first blocking element 41, as shown in Figure 5.The location jog 411 of first blocking element 41 is two positioning grooves that relative 180 degree are provided with, and the location jog 421 of second blocking element 42 is two locating bumps that relative 180 degree are provided with, and two locating bumps are the Internal and external cycle setting.First blocking element 41 is sheathed on this axostylus axostyle 20 with circular trepanning 412, and second blocking element 42 is sheathed on this axostylus axostyle 20 with the trepanning 422 that shape can be embedded in non-circular axostylus axostyle 20, to rotate with axle 2.Elastic component 43 can be a plurality of shell fragments 430, and packing assembly 44 can be nut, and 44 of elastic component 43 and packing assemblies are provided with pad 45.The middle section of non-circular axostylus axostyle 20 is provided with thread section, makes nut can be screwed together in this thread section with these locking assemblies of interlocking and elastic component, and adjusts the torsion of pivot device.
The fixed plate 51 that second support, 5 bottoms bendings is provided with fixed hole 510 and the fixed hole 11 of first support 1 interlocking are mutually fixed, and the upper end bends another fixed plate 52 usefulness and fixes with loam cake or lower cover that B is covered in rotating shaft.The fixed plate 61 that the 3rd support 6 bottoms bendings is provided with fixed hole 610 and the fixed hole 12 of first support 1 interlocking are mutually fixed.This second support 5 is provided with two axis holes 53 in addition in the middle of two pivot holes 50, and the 3rd support also is provided with two axis holes 62 in the middle of two pivot holes 60.
By said structure, see also Fig. 6, it is the view of the utility model when electronic product is closed.When electronic products such as unlocking electronic book, wherein its central shaft 2 of link 3 interlocks rotates, axle 2 drives master gear 71 and rotates, idle pulley 72 backward rotation with master gear 71 engagements, and another idle pulley that is meshed 72 is given in transmission and master gear 71 rotates in the same way, another idle pulley 72 another master gears 71 of transmission simultaneously rotate two master gear 71 synchronous backwards, and drive another axle 2, link 3 backward rotation.As shown in Figure 7, it is the action schematic representation that is opened to 180 degree, therefore, when the double-screen electronic book opens and closes, two screen A, A ' meeting interlocks, closure or openness can make operation more smooth and easy synchronously.
And the utility model is at closed 0 degree and when opening 360 degree to the state that oppositely coincides, and second blocking element 42 rotates with axle 2, and its location jog 421 can rotate the location jog 411 that embeds first blocking element 41 and reach the effect of location automatic blocking.
The utility model is adjusted torsion by the degree of adjusting packing assembly 44 packing elastic components 43, first blocking element 41, second blocking element, 42 to first supports 1 after assembling is finished.Because 5 on first support 1 and second support is located in torsion unit 4, gear train 7 is arranged between second support 5 and the 3rd support 6 of axle 2 ends, the order of assembling is to assemble torsion unit 4 earlier, the Assembling gear group 7 again, therefore, can not have influence on gear train 7 when adjusting packing assembly 44, gear train 7 both sides and second support 5 and the 3rd support 6 can be because of the unnecessary frictional force of packing close proximity friction-produced.Thereby, can not make the long-time back of using cause the torsion decline because of the flatness problem of gear train 7 both sides and second support 5 and the 3rd support 6 surface of contact because of wearing and tearing yet.
Moreover, because all being fixed between 1, three support of first support, second support 5 and the 3rd support 6 interfix, its structural rigidity is stronger.And it is distinctly fixing that first support 1 and second support 5 bend the upper and lower covers of fixed plate 13,52 and rotating shaft lid B respectively, also increased integrally-built intensity and stability.
Though the utility model has disclosed concrete preferred embodiment for achieving the above object, but these embodiments want to limit structure characteristics of the present utility model, any those of ordinary skill of related domain should be known, under technical spirit of the present utility model, any variation of expecting easily or revise all be possible and all the application's claim contain.
Claims (10)
1. a twin shaft linkage type pivot device is characterized in that, comprising:
First support is provided with two pivot holes;
Two axles, the one end is fixed in link, and the other end is arranged in the pivot hole of this first support, and these axles respectively are arranged with a torsion unit;
Second support and the 3rd support, each is located at the terminal of these axles and is individually fixed in this first support with two pivot borehole jacks, and this torsion unit is located between this second support and this first support;
Gear train is located between this second support and the 3rd support, and this gear train comprises two master gears and intermeshing two idle pulleys that are sheathed on these axles, and these idle pulleys are meshed with these master gears respectively.
2. twin shaft linkage type pivot device as claimed in claim 1 is characterized in that, fixed plate and this first support that this second frame bottom bending is provided with fixed hole are fixed, and the upper end bends the loam cake or the lower cover of another fixed plate and rotating shaft lid and fixes.
3. twin shaft linkage type pivot device as claimed in claim 1 is characterized in that, the bending of the 3rd frame bottom is provided with fixed plate and this first support of fixed hole and fixes.
4. twin shaft linkage type pivot device as claimed in claim 1 is characterized in that, the loam cake or the lower cover of this first support bending fixed plate and rotating shaft lid are fixed.
5. twin shaft linkage type pivot device as claimed in claim 1 is characterized in that, is provided with two axis holes between the two pivot holes of this second support, is provided with two axis holes between two pivot holes of the 3rd support, and these idle pulleys are arranged in these axis holes with the axle at its two ends.
6. twin shaft linkage type pivot device as claimed in claim 1, it is characterized in that, these axles are arranged in this first support with non-circular axostylus axostyle, and these master gears are sheathed on these axles with the trepanning identical with this axostylus axostyle section configuration and rotate with these axles.
7. twin shaft linkage type pivot device as claimed in claim 6 is characterized in that this torsion unit pack contains first blocking element, second blocking element, elastic component and packing assembly; This first blocking element is with the embedding hole of projection build-in in this first support, rotates with this axle thereby the trepanning that this second blocking element can be embedded in this axostylus axostyle with shape is sheathed on this axostylus axostyle.
8. twin shaft linkage type pivot device as claimed in claim 7, it is characterized in that, the one side of this first blocking element is provided with the location jog, and the one side of this second blocking element also is provided with the location jog, turns the mutual chimeric location of location jog with this first blocking element; The location jog of this first blocking element is two positioning grooves that relative 180 degree are provided with, and the location jog of this second blocking element is two locating bumps that relative 180 degree are provided with, and this two locating bump is the Internal and external cycle setting.
9. twin shaft linkage type pivot device as claimed in claim 7 is characterized in that the middle section of this axostylus axostyle is provided with thread section, and this packing assembly is the nut that is screwed together in this thread section.
10. twin shaft linkage type pivot device as claimed in claim 1 is characterized in that these master gears and idle pulley are in line transversely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202040000U CN201779129U (en) | 2010-05-24 | 2010-05-24 | Double-shaft linked pivot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202040000U CN201779129U (en) | 2010-05-24 | 2010-05-24 | Double-shaft linked pivot device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779129U true CN201779129U (en) | 2011-03-30 |
Family
ID=43792341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202040000U Expired - Lifetime CN201779129U (en) | 2010-05-24 | 2010-05-24 | Double-shaft linked pivot device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201779129U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307094A (en) * | 2012-03-09 | 2013-09-18 | 兆利科技工业股份有限公司 | Locking type double-shaft pivot device |
| CN103322030A (en) * | 2012-03-23 | 2013-09-25 | 兆利科技工业股份有限公司 | Rotary stopping dual-shaft hinge device |
| CN103455101A (en) * | 2012-05-30 | 2013-12-18 | 加藤电机（香港）有限公司 | Biaxial hinge |
| CN103727123A (en) * | 2014-01-07 | 2014-04-16 | 杭州安费诺飞凤通信部品有限公司 | Novel double-shaft hinge mechanism used for portable electronic product and portable electronic product |
| CN104006068A (en) * | 2014-06-12 | 2014-08-27 | 宁波镇明转轴有限公司 | Electric baking pan hinge crankshaft capable of rotating by 180 degrees |
| CN104235170A (en) * | 2013-06-14 | 2014-12-24 | 联想(北京)有限公司 | Rotary shaft and electronic equipment having rotary shaft |
| CN104613146B (en) * | 2013-11-05 | 2017-04-26 | 兆利科技工业股份有限公司 | Dual-wheel linkage mechanism and rotating shaft device with dual-wheel linkage mechanism |
-
2010
- 2010-05-24 CN CN2010202040000U patent/CN201779129U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307094A (en) * | 2012-03-09 | 2013-09-18 | 兆利科技工业股份有限公司 | Locking type double-shaft pivot device |
| CN103307094B (en) * | 2012-03-09 | 2015-06-24 | 兆利科技工业股份有限公司 | Locking type double-shaft pivot device |
| CN103322030A (en) * | 2012-03-23 | 2013-09-25 | 兆利科技工业股份有限公司 | Rotary stopping dual-shaft hinge device |
| CN103322030B (en) * | 2012-03-23 | 2015-06-10 | 兆利科技工业股份有限公司 | Rotary stopping dual-shaft hinge device |
| CN103455101A (en) * | 2012-05-30 | 2013-12-18 | 加藤电机（香港）有限公司 | Biaxial hinge |
| CN103455101B (en) * | 2012-05-30 | 2018-01-19 | 加藤电机（香港）有限公司 | biaxial hinge |
| CN104235170A (en) * | 2013-06-14 | 2014-12-24 | 联想(北京)有限公司 | Rotary shaft and electronic equipment having rotary shaft |
| CN104235170B (en) * | 2013-06-14 | 2017-06-27 | 联想(北京)有限公司 | A kind of rotating shaft and the electronic equipment with the rotating shaft |
| CN104613146B (en) * | 2013-11-05 | 2017-04-26 | 兆利科技工业股份有限公司 | Dual-wheel linkage mechanism and rotating shaft device with dual-wheel linkage mechanism |
| CN103727123A (en) * | 2014-01-07 | 2014-04-16 | 杭州安费诺飞凤通信部品有限公司 | Novel double-shaft hinge mechanism used for portable electronic product and portable electronic product |
| CN103727123B (en) * | 2014-01-07 | 2015-11-18 | 杭州安费诺飞凤通信部品有限公司 | Apply to a kind of novel biaxial linkage and the portable type electronic product of portable type electronic product |
| CN104006068A (en) * | 2014-06-12 | 2014-08-27 | 宁波镇明转轴有限公司 | Electric baking pan hinge crankshaft capable of rotating by 180 degrees |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |