CN2656703Y

CN2656703Y - Hange structure

Info

Publication number: CN2656703Y
Application number: CNU2003201179849U
Authority: CN
Inventors: 陈瑞豪
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2003-11-08
Filing date: 2003-11-08
Publication date: 2004-11-17
Anticipated expiration: 2013-11-08

Abstract

A hinge structure used for connection of a body and a cover of a foldaway electronic apparatus includes an inner shell, a key-stroke, a pressure spring, a sleeve, a slipper block, a torsional spring, a damping layer, an outer shell, a holding piece and a positioning pin. The sleeve includes a convex platform, the center of which is provided with a ladder shaped portiforium, and an accommodation part, the periphery of which is provided with an axial faucet. One end of the slipper block is provided with a rectangular jacking block. One end of the torsional spring is fixed to the holding piece, while the other end inserts into the faucet. The damping layer is between the inner shell and the outer shell. The key-stroke can push the slipper block in the sleeve out of the portiforium at the opening of the cover, and the torque force of the torsional spring can drive the slipper block, the holding piece, and the outer shell to rotate together.

Description

Hinge structure

[technical field]

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

[background technique]

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 needs to connect body and lid by hinge structure, can be for guaranteeing lid easily relative to rotating at body and can being kept at an angle, and hinge structure is made up of the assembly that several cooperatively interact usually.For the volume that reduces portable electron device be convenient to assembling, people wish to connect the hinge structure of body and lid can miniaturization and modularization.

Usually, hinge can be divided into three kinds of element type, torsional spring type and pressure spring types on mechanical realization and the motion principle, and wherein, the element type hinge structure is to utilize gear engagement or hold post to engage with holding hole to reach lid folding function; The torsional spring type hinge structure is to cooperate with the U-shaped spring so that the U-shaped spring opens or discharge stored energy or utilize linear the reversing of torsion spring of cylinder to reach lid folding function by camshaft; The pressure spring type hinge structure is to utilize cam low ebb and projection alternately to cooperate to compress or to discharge linear stage clip to reach the lid closure function with holding piece.

A kind of existing hinge structure, as U. S. Patent the 5th, 628, No. 089 disclose, see also Fig. 1, this hinge structure 100 tools one housing 1, a spring 2, a cam 3, a follower 4 and a cap 5, this housing 1 one ends sealing, the other end opening, spring 2, cam 3, follower 4 are put in turn in housing 1, and cap 5 covers opening.These housing 1 internal surface 10 tools two guide groove 10a, its appearance mask two grooves 12, have hole 120 on the groove 12, these cam 3 appearance masks two tracks 30, it cooperates with the guide groove 10a of housing 1 can endwisely slip cam 3 in housing 1, these cam 3 one end tool cam faces 32, this follower 4 tools one body 40, one step 41, one head 42 and a flat board 43, its head 42 and electronics interlocking, dull and stereotyped 43 cooperate with camming surface 32, and cap 5 tools two arms 50 inwardly stamp out a projection 500 respectively on the arm 50, itself and the hole 120 of housing 1 buckle mutually are with spring 2, cam 3 and follower 4 fix in housing 1.When the mobile phone lid was opened, the flat board 43 of follower 4 slided on the camming surface 32 of cam 3, and actuating cam 3 is in axial sliding in two guide groove 10a of housing 1 by two tracks 30 simultaneously, thus pressure spring 2.When lid during to several angle, dull and stereotyped 43 walk around the spine of camming surface 32, and spring 2 discharges potential energy makes dull and stereotyped 43 to slide to the trench of camming surface 32 automatically, opens to steady state automatically thereby drive lid.

This hinge structure is assembled into one all component, realized modularization, be convenient to assembling, when realizing that the relative body of lid collapsible and flip phone opens several angle, still need lid to be opened automatically after body turns an angle by external force, drive or other can only the one-handed operation condition under, very inconvenience; In addition, the impulse force to body when lid is opened in long-term the use will make casing and lid be worn, and shorten the life-span of hinge structure.

Therefore, provide a kind of assembling firm, can open the mobile phone lid, and the hinge structure to the impulse force of body is real in necessary can reduce the inter deterioration of hinge structure and lid and open the time by single key stroke.

[summary of the invention]

The purpose of this utility model is to provide a kind of assembling firm, and can open the hinge structure of mobile phone lid by single key stroke.

Another purpose of the present utility model is to provide a kind of assembling firm, can open the mobile phone lid by single key stroke, and can reduce the inter deterioration of hinge structure and lid and open the time to the hinge structure of the impulse force of body.

The utility model hinge structure comprises inner housing, button, stage clip, sleeve, slide block, torsion spring, damping layer, frame, retaining piece and locating stud.Inner housing is fixed on the body of mobile phone, and frame is connected with lid by locating stud.This sleeve comprises a boss and a holding part, and boss is provided with a perforate, and the holding part periphery offers an axial socket; This slide block one end tool one rectangle jacking block, this torsion spring one end is installed on the retaining piece, and the other end stretches in the socket, and damping layer is between inner housing and frame.When lid is closed, the slide block that pressing keys will be built in the sleeve is released perforate, the torsion of stage clip drives slide block, retaining piece and frame and rotates together, and torsion spring drives frame and rotates when arriving certain position, reaches steady state because of being subjected to the casing interference that the relative body of lid is opened.

Compared with prior art, the utility model hinge structure can make lid complete opening under the elastic torsion effect by pressing keys, and need not the manual unlocking by the user, and is easy to operate; Be provided with damping layer between frame and inner housing, in the time of can reducing the inter deterioration of hinge structure and lid and open to the impulse force of body.

[description of drawings]

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

Fig. 2 is the three-dimensional exploded view of the utility model hinge structure;

Fig. 3 is the three-dimensional exploded view of another angle of the utility model hinge structure;

Fig. 4 is the sectional view of the utility model hinge structure in assembly process;

Fig. 5 is the erection drawing of the utility model hinge structure;

Fig. 6 is the sectional view that the utility model hinge structure is in the lid open mode;

Fig. 7 is the sectional view that the utility model hinge structure is in the lid closed condition.

[embodiment]

Please refer to Fig. 2 and Fig. 3, the utility model hinge structure 1 comprises inner housing 10, button 11, stage clip 12, sleeve 13, slide block 14, torsion spring 19, damping layer 15, frame 16, retaining piece 17 and locating stud 18.

Inner housing 10 is made up of two coaxial clyinders, comprises flange 100 and main body 102.Flange 100 is installed in the mobile phone body, and its center is provided with a square mounting hole 100a, and mounting hole 100a is a through hole, is used for card and ends button 11.Main body 102 inboards are a cylinder type host cavity 102a, and host cavity 102a holds button 11, stage clip 12 and sleeve 13 successively.

Button 11 is a stepped cylinder, and it comprises press part 110, round platform 112, step 114 and ejector pin 116 successively.Press part 110 is a cube cylinder, and its end surface shape is identical with the shape of the mounting hole 100a of inner housing 10.

Stage clip 12 is the column spring, and the one end is set in the step 114 and the ejector pin 116 of button 11 and is against round platform 112, and the other end is set on the sleeve 13.

Sleeve 13 is made up of two coaxial clyinders, it comprises a boss 130 and a holding part 132, the center of boss 130 is provided with a square opening, this perforate is a shoulder hole, the first perforate 130a and the second perforate 130b by concentric setting form, and the first perforate 130a radius is greater than the second perforate 130b radius, wherein the shape of the first perforate 130a is identical with the end surface shape of the step 114 of button 11, the shape of the second perforate 130b is identical with the end surface shape of the jacking block 116 of button 11, and the ejector pin 116 of button 11 can be in axial sliding in this perforate 130b.Be provided with inner chamber 132a in the holding part 132, the outer side surface of holding part 132 offers an axial socket 132b, the sealing of socket 132b one end, it runs through the wall of holding part 132 at holding part 132 opening ends, the other end does not run through this wall, and the external diameter of holding part 132 is less than main body 102 internal diameters of inner housing 10.

Slide block 14 is combined by two stepped cylindrical bodies, and the one end is a protruding jacking block 140, and the end face of this jacking block 140 is rectangular, and its width is identical with the second perforate 130b of boss 130; The other end is a cylindrical body, and its inboard offers a square hole 142.The ejector pin 116 of button 11 offsets with the jacking block 140 of slide block 14, can promote this slide block 14 and be in axial sliding in the inner chamber 132a of sleeve 13.

Damping layer 15 sticks together jelly or damping oil for not solidifiable, be arranged between inner housing 10 and the frame 16, its role is to increase the frictional force of inner housing 10 and frame 16 relative movement, the rotational velocity of the relative body of mobile phone lid is produced certain effect that slows down.

Frame 16 is an open column shape body, and it is connected with the lid of mobile phone.Frame 16 is provided with two positioning holes 160, two draw-in grooves 162 and two fins 164, is connected with the mobile phone lid by this fin 164, and positioning hole 160 symmetries are located on the sidewall of frame 16, and draw-in groove 162 is opened on the end face of frame 16.The internal diameter of frame 16 is a bit larger tham the external diameter of inner housing 10.

Retaining piece 17 is the hollow cylinder of end sealing, and it comprises two positioning arm 170, an axle center post 172 and two spacing holes 174.Two positioning arm, 170 positions symmetries is also radially extended by the closed end of retaining piece 17, and it can be held in the draw-in groove 162 of frame 16.The end surface shape of axle center post 172 is consistent with the shape of the square hole 142 of slide block 14, and it is located in the cylinder intracavity of retaining piece 17 and is stretched out vertically by the closed end of retaining piece 17.Two spacing holes, 174 symmetries are located at the wall of retaining piece 17, when retaining piece 17 is assemblied on the frame 16, this locating stud 18 is a cylinder, can pass the positioning hole 160 of frame 16 and the spacing hole 174 of retaining piece 17 in proper order, thereby retaining piece 17 is fixed on the frame 16.In addition, locating stud 18 also can be substituted by other fastener, as pin.

Torsion spring 19 is the column spring, and its two ends are bent into first hook portion 190 and second hook portion 192.First hook portion 190 is square, be housed in the cylinder cavity of retaining piece 17 and be set in axle center post 172 peripheries, its first hook portion, 190 clips are on retaining piece 17, and second hook portion 192 is chimeric to be held among the socket 132b of sleeve 13, and can axially slide in this socket 132b.

As shown in Figure 4, when being solid-state, should at first damping layer 15 be inserted in the inner chamber of frame 16, make it be close to the inwall of frame 16 as damping layer 15.Then, button 11 and stage clip 12 are inserted among the host cavity 102a of inner housing 10 in regular turn, button portion 110 is stretched out from the mounting hole 100a of flange 100, stage clip 12 1 ends are set on the step 114 and ejector pin 116 of button 11, and support at round platform 112.Then, reversing torsion spring 19 earlier makes it put aside certain potential energy, its first hook portion, 190 clips are on the axle center of retaining piece 17 post 172, again slide block 14, torsion spring 19 and retaining piece 17 orders are housed in the inner chamber 132a of sleeve 13, and second hook portion 192 is inserted among the socket 132b of sleeves 13, will accommodate afterwards to the sleeve 13 of one and insert in the inner housing 10.At this moment, stage clip 12 the other ends are set in boss 130 peripheries of sleeve 13, and supporting the end face of holding part 132, the ejector pin 116 of button 11 stretches into the jacking block 140 that promotes slide block 14 among the second perforate 130b of boss 130, makes slide block 14 to be in axial sliding in the inner chamber 132a of sleeve 13.At last, locating stud 18 is passed the positioning hole 160 of frame 16 and the spacing hole 174 of retaining piece 17 successively, frame 16 and retaining piece 17 are combined into one, thereby hinge structure 1 is assembled into one.

As the damping thing is liquid, during assembling, after then should earlier button 11, stage clip 12, sleeve 13 and slide block 14 being inserted inner housing 10 in regular turn, again damping oil is coated in inner housing 10 outer walls, again frame 16 is set on the inner housing 10 at last, and pass the positioning hole 160 of frame 16 and the spacing hole 174 of retaining piece 17, thereby hinge structure 1 is assembled into one by locating stud 18 order.

Please refer to Fig. 5 and Fig. 7, when the mobile phone lid is in closed condition, the ejector pin 116 of button 11 offsets with the jacking block 140 of slide block 14, and this jacking block 140 is stuck among the second perforate 130b of sleeve 13, and second hook portion 192 of torsion spring 19 stretches among the socket 132b of sleeve 13.

In conjunction with shown in Figure 6, when opening the lid of mobile phone, the user only needs in the press part 110 to apply certain axial force and make button 11 axial motions, the round platform 112 of button 11 promptly pushes stage clip 12, and the jacking block 140 of the slide block 14 second perforate 130b from boss 130 released, step 114 is against the handing-over plane of the first perforate 130a and the second perforate 130b simultaneously.Unclamp press part 110, button 11 is promoted by stage clip 12 restoring forces promptly and automatically returns to initial position.Simultaneously, slide block 14 promotes to push torsion spring 19, and the axle center post 172 that the torsion spring 19 of savings torsion drives retaining pieces 17 rotates, and retaining piece 17 drive slide blocks 14 and frame 16 rotate together simultaneously, thereby makes the relative body upset of lid of mobile phone.Because the jacking block 140 of slide block 14 is rectangular, then this moment, it can not snap among the second perforate 130b of boss 130 again.Because

inner housing

10 and 16 of framies are built-in with damping layer 15, when lid is opened, the surface friction drag that damping layer 15 produces rotates certain effect that slows down of playing to lid, make the relative body of lid slowly open, reduced hinge structure 1 inter deterioration and and lid when opening to the impulse force of body.When the relative body of lid was opened to less than 180 ℃ several angle, promptly torsion spring 19 drove framies 16 and rotates when arriving certain positions, reaches steady state because of being subjected to the casing interference that the relative body of lid is opened.

When closing the lid of mobile phone, push the twisting force of lid opposing torsion spring 19 towards the lid closing direction in sense of rotation, driving slide block 14 rotates with retaining piece 17 and frame 16, when slide block 14 rotations reach the mobile phone closed position, the jacking block 140 of slide block 14 is owing to the thrust existence of torsion spring 19 can snap among the second perforate 130b of sleeve 13 again, slide block 14 promptly stops operating, and inner housing 10 recovers steady state, i.e. lid closed state again with frame 16 the two position relation.

Claims

1. hinge structure, be used to connect the body and the lid of folding-type electronic device, lid can be rotated relative to body, it is characterized in that, it comprises: a frame, one inner housing, a sleeve, a torsion spring, one slide block, one fastener and a button, this frame are a hollow cylinder, and it cooperates with the lid of electronic equipment; Described inner housing is built in the frame, and one end opening, the other end are the flange of tool one mounting hole, and flange cooperates with the body of electronic equipment; Described sleeve is built in the inner housing, and the one end is the boss of tool one perforate, and the other end is a column holding part; Described torsion spring places inner housing, has two free ends, and the one end is retained on the sleeve; Described slide block one end is a jacking block, and the other end is the cylindrical body of a tool one perforate; Described fastener is fastened in the perforate of slide block, and is retained on the other end of frame and torsion spring; Described button is placed in the flange mounting hole of inner housing, and it can compress the jacking block of this slide block.

2. hinge structure as claimed in claim 1 is characterized in that: this hinge structure further comprises a damping layer, and this damping layer is located between inner housing and the frame.

3. hinge structure as claimed in claim 1 is characterized in that: this fastener further comprises a retaining piece and a locating stud, and this retaining piece comprises two positioning arm, an axle center post and two spacing holes.

4. hinge structure as claimed in claim 1 is characterized in that: this hinge structure further comprises a stage clip, and it is set in the boss periphery of sleeve.

5. hinge structure as claimed in claim 3, it is characterized in that: this frame comprises a draw-in groove and two positioning holes, draw-in groove is located at an end face of frame, the positioning arm of retaining piece is held in this draw-in groove, this positioning hole symmetry is opened in the two side of frame, and locating stud passes the positioning hole of frame by order and the spacing hole of retaining piece is combined into one both.

6. hinge structure as claimed in claim 3 is characterized in that: this torsion spring one end is an axial hook portion, and the other end is a square hook portion.

7. as 6 described hinge structures of claim the, it is characterized in that: the square hook portion of this torsion spring is set on the axle center post of retaining piece.

8. as 6 described hinge structures of claim the, it is characterized in that: this holding part periphery offers a socket, and the axial hook portion of this torsion spring stretches in the socket, and slides in this socket.

9. hinge structure as claimed in claim 1 is characterized in that: this perforate is a shoulder hole, and it comprises first perforate and second perforate, first perforate and second perforate be concentric be provided with and the radius of first perforate greater than the radius of second perforate.

10. as 9 described hinge structures of claim the, it is characterized in that: this button is a single order ladder Cylindrical object, comprises press part, round platform, step and ejector pin, and the press part end face is square, and is identical with the shape of the mounting hole of inner housing flange.