CN201779129U

CN201779129U - Two-axis linkage hub

Info

Publication number: CN201779129U
Application number: CN2010202040000U
Authority: CN
Inventors: 李国川; 许有村
Original assignee: Jarllytec Co Ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2010-05-24
Filing date: 2010-05-24
Publication date: 2011-03-30
Anticipated expiration: 2020-05-24

Abstract

The utility model relates to a biax interlock formula pivot ware, it establishes first support, torque unit, second support, gear train and third support according to the preface cover on two mandrels, assembles torque unit earlier, assembles the gear train again, can not compel tightly when making the torsion of adjustment torque unit to influence the gear train, can avoid the gear train to form unexpected friction surface rather than the support in close contact with friction of both sides, and produce unnecessary frictional force. In addition, the second support and the third support of the pin joint gear set are fixed with the first support, the three supports are mutually fixed, and the first support and the second support are respectively fixed with the bent fixing piece and the rotating shaft cover, so that the rigidity and the stability of the whole structure can be enhanced.

Description

Twin shaft linkage type pivot device

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.

Second support 5 and the 3rd support 6 respectively are sheathed on the terminal of axle 2 with two

pivot holes

50,60 and are respectively fixed on this first support 1.This torsion unit 4 is located between this first support 1 and second support 5, and is provided with gear train 7 between second support 5 and the 3rd support 6.

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.

Gear train 7 comprises two master gears 71 that are sheathed on two axles 2, and intermeshing two idle pulleys 72.Two master gears 71 are sheathed on two axles 2 with the trepanning 710 identical with axostylus axostyle 20 section configurations, come to rotate with axle 2, and these idle pulleys 72 are arranged in the

axis hole

53,62 of second support 5 and the 3rd support 6 separately with the axle 720 at two ends.Two idle pulleys 72 are meshed with two master gears 71 respectively.These master gears 71 are in line transversely arranged with idle pulley 72.

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

1. A two-axis linkage hinge, characterized in that it comprises:

The first bracket is provided with two pivot holes;

Two mandrels, one end of which is fixed to the connector, and the other end is passed through the pivot hole of the first bracket, and each of these mandrels is provided with a torsion unit;

The second bracket and the third bracket are respectively sleeved on the ends of the mandrels with two pivot holes and respectively fixed to the first bracket, and the torsion unit is arranged between the second bracket and the first bracket;

The gear set is arranged between the second bracket and the third bracket. The gear set includes two main gears sleeved on the spindles and two idler gears meshing with each other. These idler gears are respectively connected to the main gears. engage.

2. The biaxial linkage hinge according to claim 1, characterized in that, the bottom of the second bracket bends a fixed piece with a fixing hole to fix it with the first bracket, and the upper end bends another fixed piece to connect with the first bracket. The upper cover or lower cover of the shaft cover is fixed.

3 . The double-axis linkage hinge as claimed in claim 1 , wherein a fixing piece provided with a fixing hole is bent at the bottom of the third bracket and fixed to the first bracket. 4 .

4. The double-axis interlocking hinge according to claim 1, wherein the bending and fixing piece of the first bracket is fixed to the upper cover or the lower cover of the hinge cover.

5. The biaxial linkage hinge according to claim 1, wherein two shaft holes are provided between the two pivot holes of the second bracket, and two shaft holes are provided between the two pivot holes of the third bracket. There are two shaft holes, and these idler wheels are passed through these shaft holes with the shafts at their two ends.

6. The dual-axis linkage hinge according to claim 1, wherein the spindles are passed through the first bracket by a non-circular shaft, and the main gears have the same cross-sectional shape as the shaft The sleeve holes are sleeved on these mandrels to rotate together with these mandrels.

7. The biaxial linkage hinge according to claim 6, wherein the torsion unit includes a first locking member, a second locking member, an elastic component and a pressing component; The column is embedded in the insertion hole of the first bracket, and the second locking member is sleeved on the shaft by a sleeve hole whose shape can be fitted to the shaft so as to rotate together with the spindle.

8. The biaxial linkage hinge according to claim 7, characterized in that, one side of the first locking part is provided with a positioning concave-convex part, and one side of the second locking part is also provided with a positioning concave-convex part, which can be rotated The positioning concave-convex part of the first locking part is mutually fitted and positioned; the positioning concave-convex part of the first locking part is two positioning grooves set at 180 degrees relative to each other, while the positioning concave-convex part of the second locking part is set at 180 degrees relative to each other Two positioning projections, and the two positioning projections are set in the inner and outer rings.

9 . The biaxial linkage hinge according to claim 7 , wherein a threaded section is provided at a middle section of the shaft, and the pressing component is a nut screwed on the threaded section. 10 .

10. The double-shaft linkage hinge as claimed in claim 1, wherein the main gears and the idler gears are laterally arranged in a straight line. the