CN2656578Y

CN2656578Y - Hange joint mechanism

Info

Publication number: CN2656578Y
Application number: CNU032742916U
Authority: CN
Inventors: 罗兴皇; 涂应良; 陈家骅
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2003-09-02
Filing date: 2003-09-02
Publication date: 2004-11-17
Anticipated expiration: 2013-09-02

Abstract

An articulation apparatus comprises a shell, a torsion spring, a follower, a sleeve, a spreader spring and a button. The shell is a half closed cylinder with one end sealed and the other end open; the follower comprises a first knock pin and a cam which is provided inside the shell and engages with a jut on the inner wall of the shell; a saddle and a card slot are arranged on the cam. Two coaxial through holes are arranged on the sleeve to hold the spreader spring and the first knock pin respectively. When the shell is closed, the jut is stopped at the position of the card slot and when the shell is opened completely, the jut is at the position of the saddle.

Description

Linkwork

[technical field]

The utility model relates to and a kind of linkwork, refers in particular to a kind of linkwork that is used for folding-type electronic device.

[background technology]

Flourish along with the wireless telecommunications and the information processing technology, portable electron devices such as mobile phone, PDA competitively emerge in large numbers, and wherein collapsible and flip phone is subjected to user's favor day by day.

Collapsible and flip phone need be connected body and renovate by linkwork, can rotate the angle that also can be maintained fixed with respect to body easily for guaranteeing to renovate, and linkwork is made up of a plurality of assemblies that cooperatively interact usually.Assemble with being convenient to for the volume that reduces portable electron device, people wish to connect body can miniaturization and modularization with the linkwork of renovating.

Usually, hinge can be divided into three kinds of element type, torsion spring type and compressed spring types on mechanical realization and the motion principle, and wherein, the element type linkwork is to utilize gears engaged or hold post to engage with holding hole to reach lid folding function; The torsion spring type linkwork is to cooperate with the U-shaped spring to make the U-shaped spring open or discharge storage power or to utilize linear the reversing of torsion spring of cylinder to reach lid folding function by camshaft; The compressed spring type linkwork be utilize cam low ebb and projection to cooperate and by compression press spring to reach the lid closure function.

A kind of existing compressed spring type linkwork is as United States Patent (USP) the 5th, 628, No. 089 disclose, as shown in Figure 1, this linkwork comprises a housing 303, a spring 405, a cam 404, a follower 403 and a cap 305, this housing 303 1 ends sealing, other end opening.Spring 405, cam 404, follower 403 place in the housing 303 in turn, and cap 305 covers opening.These housing 303 inner surfaces 465 tools two guide rails 437, its appearance mask two grooves 423 have hole 435 on the groove 423, these cam 404 external surfaces 467 have two tracks 417, it cooperates with guide rail 437 can endwisely slip cam 404 in body 303, these cam 404 1 end tool irregular surfaces 419.This follower 403 has a body 443, a step 445, a head 413 and a flat board 415.Its head 413 is and body (figure does not show) interlocking of electronic installation that dull and stereotyped 415 then cooperate with cam 404.These cap 305 tools two arms 409 inwardly stamp out a projection 411 respectively on the arm, itself and the hole 435 of housing 303 buckle mutually are to be packaged in spring 405, cam 404 and follower 403 in the housing 303.

This linkwork all is assembled into one all component, realizes modularization, and only the structure of the head 413 of follower 403 is complicated, and 305 projections 411 with two arms 409 of this cap are buckled on the hole 435 of housing 303, and buckle power is not strong, gets loose easily; And still need operator's bimanualness when opening lid.

Therefore, provide a kind of simple in structure, assembling firmly and by one-handed performance can be opened the linkwork of mobile phone lid in fact for necessary.

[summary of the invention]

It is a kind of simple in structure that the purpose of this utility model is to provide, and assembles firmly and can open by one-handed performance the linkwork of mobile phone lid.

A kind of linkwork of the utility model, be used to connect the lid and the body of Collapsible mobile telephone, it comprises a housing, a torsion spring, a follower and a button, housing one end opening, and in be provided with a projection, torsion spring is built in the housing, and an end is immobilizated in the housing, a follower part is placed in the housing, another part passes the opening of housing one end, and its part that is placed in the housing is connected with the torsion spring other end, and this part is provided with a catch mechanism, can hold above-mentioned projection, button can compress this follower.

Compared with prior art, the utility model linkwork can make lid complete opening under the elastic torsion effect by pressing keys, and need not manually to open by the people, and is easy to operate; In addition, follower is simple column, and the trench of cam is the curved surface that links up, and the meshing connection of each inter-module is firm and simple in structure, has realized modularization, makes that this linkwork is more stable.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of existing linkwork;

Fig. 2 is that the utility model linkwork is disposed at the stereogram that Collapsible mobile telephone is in closed condition;

Fig. 3 is that the utility model linkwork is disposed at the stereogram that Collapsible mobile telephone is in open mode;

Fig. 4 is the three-dimensional exploded view of the utility model linkwork;

Fig. 5 is the three-dimensional exploded view of another angle of the utility model linkwork;

Fig. 6 is the assembling stereogram of the utility model linkwork;

Fig. 7 is the sectional view of Fig. 6 along the VII-VII direction;

Fig. 8 (A) is the partial sectional view that is in the lid closed condition of the utility model linkwork;

Fig. 8 (B) is the stereogram that is in the lid open mode of the utility model linkwork.

[specific embodiment]

Please refer to Fig. 1 and Fig. 2, one Collapsible mobile telephone 100 is made up of a body 1, a lid 2 and a linkwork 3 three parts, Fig. 2 is in closed condition for this mobile phone 100, Fig. 3 is in the state of opening for this mobile phone 100, and the utility model linkwork 3 can be rotationally connected body 1 and lid 2.

Please refer to Fig. 4 and Fig. 5, the utility model linkwork 3 comprises a housing 30, a torsion spring 31, a follower 32, sleeve 33, a stage clip 34 and a button 35.

This housing 30 is semiclosed cylindric, the sealing of one end, and the other end is the flange 301 of tool one opening 300, this housing 30 places axle sleeve 20, and rotates in the lump with lid 2.The medium position of this housing 30 offers a host cavity 302, these host cavity 302 inside walls form a projection 303 along the longitudinal direction near opening 300 1 ends, the blind end of housing 30 extends longitudinally out first clamping device 304, and this first clamping device 304 is made up of two relative fixture blocks.When packing torsion spring 31 into housing 30, a free end of torsion spring 31 can be fixed by first clamping device 304.

Follower 32 comprises a cylindricality first ejector pin 320, a cam 321 and one second clamping device 322, cam 321 is provided with a trench 321a and a draw-in groove 321b, trench 321a is a level and smooth curved surface that links up, projection 303 can be slided on trench 321a or be arranged among the draw-in groove 321b, second clamping device 322 also is made up of two relative fixture blocks, is positioned at the lower end of cam 321.

Sleeve 33 comprises a platform 330, one first through hole 331, one second through hole 335, two first slide rails 332, one second slide rail 333 and a groove 334.Offer one first through hole 331 on the one end platform 330 of sleeve 33, the inboard of its other end groove 334 offers one second through hole 335, first through hole 331 can ccontaining stage clip 34, first ejector pin 320 that can ccontaining follower 32 in second through hole 335, first through hole 331 communicates and coaxial setting with second through hole 335, and these stage clip 34 1 ends are butted on the step 336 (as shown in Figure 7) that the two through hole joint forms; In addition, the two relative side of sleeve 33 is provided with first slide rail 332, and the another side of sleeve 33 is provided with second slide rail 333.But the flange 301 of groove 334 cases 30,301 non-secure fit of groove 334 and flange can relatively rotate flange 301 in groove 334.

These button 35 1 sides have a cylindricality press section 350, and opposite side has cylindrical second ejector pin 351, two the first slip bayonet locks 352 and one second slip bayonet locks 353.Wherein second ejector pin 351 is protruding along the end face center of button 35, and its end is butted on first ejector pin 320 of follower 32; Two first slip bayonet locks 352 by button 35 edges towards axially stretching out, its be provided with one can ccontaining sleeve 33 the fluting (figure does not show) of

platform

330, and 330 also non-secure fit of this first slip bayonet lock 352 and platform, the card pin 352 of winning can court be endwisely slipped on first slide rail 332 of sleeve 33, be subjected to platform 330 blocks when sliding, so can not drop to the outside because of the first slip bayonet lock 352; The second slip bayonet lock 353 is rectangular plate shape things, between button 35 peripheries two first slip bayonet locks 352, its can be on second slide rail 333 of sleeve 33 towards endwisely slipping, and cooperate with two first slip bayonet locks 352 and to play the stressed effect of equalization stable.

Torsion spring 31 and stage clip 34 are to be made of metal, shape in the shape of a spiral, and wherein the external diameter of torsion spring 31 is less than or equal to host cavity 302 internal diameters of housing 30, makes when torsion spring 31 places host cavity 302 interior rotatable and be in axial sliding; The external diameter of stage clip 34 also is less than or equal to first through hole, 331 internal diameters of sleeve 33, and greater than the external diameter of second ejector pin 351, makes stage clip 34 can be sheathed on second ejector pin, 351 peripheries and be built in first through hole 331 and do axially-movable.Torsion spring 31 tool certain-lengths are to keep proper axial pressure to follower 32.

Please refer to Fig. 6 and Fig. 7, during assembling, earlier sleeve 33 is socketed on the flange 301 of housing 30, the external surface of flange 301 is butted on groove 334 inside walls of sleeve 33 at this moment.Then follower 32 is packed in the housing 30, make first ejector pin 320 of follower 32 pass the opening 300 of flange 301 and stretch out, and part puts in second through hole 335 of sleeve 33.Projection 303 is contained among the draw-in groove 321b of cam 321.At last, torsion spring 31 is contained in the host cavity 302 of housing 30, the one end fixes and is butted on the blind end of housing 30 by first clamping device 304, another free end then is connected on the follower 32 by second clamping device 322 of follower 32, make torsion spring 31 reverse certain angle during assembling, even its savings torsion.Rear compression spring 34 be sheathed on second ejector pin, 351 peripheries of button 35, and stretch in the lump in first through hole 331 of sleeve 33, make second ejector pin, 351 ends be butted on first ejector pin 320 of follower 32, simultaneously the first slip bayonet lock 352 and the second slip bayonet lock 353 snap in first slide rail 332 and second slide rail 333 respectively and in it towards axially relative slip, because of outside the block that is subjected to platform 330 can not drop to.At last housing 30 is placed in the axle sleeve 20 of lid 2 of mobile phone 100, sleeve 33 and button 35 are placed in the positioning chamber 10 of body 1 and make button portion 350 stretch out body 1 outside and be beneficial to operation.

In conjunction with reference to Fig. 8 (A), when opening the lid 2 of mobile phone, the operator uses light finger light press press section 350, button 35 promptly pushes stage clip 34, the first slip bayonet lock 352 is done respectively at relative sleeve 33 in first slide rail 332 and second slide rail 333 with the second slip bayonet lock 353 and is endwisely slipped simultaneously, second ejector pin 351 of button 35 compresses first ejector pin 320 and promotes follower 32 relative sleeves 33 and move axially and certain displacement takes place, this moment, cam 321 axially made projection 303 skid off from draw-in groove 321b to front slide in host cavity 302, torsion spring 31 savings have certain torsion drive shell 30 relative followers 32 to twist, thereby make lid 2 relative body 1 upsets of mobile phone 100, projection 303 goes up in the trench 321a of cam 321 and slides simultaneously, when projection 303 slides to the lowest part of trench 321a, projection 303 is held in the extreme lower position of trench 321a, housing 30 is stopped operating, and lid 2 relative bodies 1 opened and reached maximum angle this moment.Unclamp press section 350, button 35 is promoted by stage clip 34 restoring forces promptly and automatically returns to initial position.

In conjunction with reference to Fig. 8 (B), when closing the lid 2 of mobile phone, push lid 2 opposing torsion springs 31 in the twisting force of direction of rotation towards lid 2 closing directions, make projection 303 slide along the trench 321a of cam 321, slide to the draw-in groove 321b position of cam 321 when the spine (figure do not show) that projection 303 is walked around cam 321, housing 30 is stopped operating, and housing 30 recovers stable state, promptly closed lid 2 again with sleeve 33 both position relations.

Lid 2 opens and closes in the closed procedure, and housing 30 mainly is subjected to torsion spring 31 to make lid 2 towards the twisting force that opens or closing direction rotates, and follower 32 is put on the promotion of button 35 and moves axially.

The periphery of the button 35 of the utility model linkwork 3 can only be provided with a pair of first slip bayonet lock 352, and the second slip bayonet lock 353 that defaults.The groove 334 of sleeve 33 is replaceable to be a clamping device, and the flange 301 of housing 30 is fixing and reserve a fixed gap housing 30 can be rotated relative to sleeve 33.Stage clip 34 is located between first ejector pin 320 of second ejector pin 351 of button 35 and follower 32, also can produce certain restoring force and promote button 35 and automatically return to initial position.

Claims

1. linkwork, be used to connect the lid and the body of Collapsible mobile telephone, it comprises a housing, one torsion spring and a follower, it is characterized in that, described housing one end opening, and in be provided with a projection, described torsion spring is built in the housing, and an end is immobilizated in the housing, a described follower part is placed in the housing, and another part passes the opening of housing one end, and its part that is placed in the housing is connected with the torsion spring other end, and this part is provided with a catch mechanism, can hold above-mentioned projection, described linkage further comprises a button, and this button can compress this follower.

2. linkwork as claimed in claim 1 is characterized in that: described catch mechanism comprises a draw-in groove.

3. linkwork as claimed in claim 2 is characterized in that: described catch mechanism further comprises a trench, and this trench is a level and smooth curved surface that links up.

4. linkwork as claimed in claim 1 is characterized in that: described housing further also comprises one first clamping device, torsion spring one end can be fixed in the housing by this first clamping device.

5. linkwork as claimed in claim 4 is characterized in that: described follower further comprises one second clamping device and one first ejector pin, the torsion spring other end can be fixed on the follower by this second clamping device.

6. linkwork as claimed in claim 1 is characterized in that: described linkwork further comprises a stage clip, and this stage clip is between button and follower.

7. linkwork as claimed in claim 1, it is characterized in that: described linkwork further comprises a sleeve, this sleeve further comprises a platform, a groove, at least one slide rail and the two coaxial through holes that communicate, and realizes being rotationally connected of housing and sleeve by groove.

8. linkwork as claimed in claim 7, it is characterized in that: described button comprises a press section, one second ejector pin and at least one slip bayonet lock, second ejector pin stretches out from opposite side center, press section, and the slip bayonet lock is located at the button periphery, can slide in above-mentioned slide rail.

9. linkwork as claimed in claim 1 is characterized in that: the further stage clip of described linkwork, this compression spring sleeve are located at the second ejector pin periphery of button.

10. linkwork as claimed in claim 7 is characterized in that: the two through hole of described sleeve can be distinguished first ejector pin and the described stage clip of ccontaining follower.