CN2698026Y

CN2698026Y - Hinge structure

Info

Publication number: CN2698026Y
Application number: CN 200420044720
Authority: CN
Inventors: 左州全; 陈家骅
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2004-04-09
Filing date: 2004-04-09
Publication date: 2005-05-04
Anticipated expiration: 2014-04-09

Abstract

The utility model provides a hinge structure, which can be used in the electronic portable devices such as a cell phone, etc. The utility model comprises a button cover, a clamping element, a spindle, an ejector spring, a cam column, a sleeve barrel, an end axle and a torsion spring. The clamping element is a polygon cylinder, and a polygon clamping hole is opened on the clamping element. The spindle comprises a coaxial spindle body and a middle column, one end of the spindle body is provided with a bearing rib, and one end of the middle column is provided with a cam surface. The ejector spring is sheathed on the spindle body, one end of the ejector spring is abutted with the clamping element, and the other end is abutted with the middle column of the spindle. One end of the cam column is provided with a cam surface matched with the cam surface of the spindle, and the other end is provided with a stopping groove. One end of the sleeve barrel is provided with a clamping stopping block, and the outer part of the sleeve barrel is convexly provided with a ribbed plate. The torsion spring comprises two ends respectively matched with the sleeve barrel and the end axle.

Description

Hinge arrangement

[technical field]

The utility model is about a kind of hinge arrangement, especially about a kind of hinge arrangement that is used for mobile phone, PDA portable electron devices such as (Personal Digital Assistant, personal digital assistants).

[background technology]

At present, the portable electron device of being sold on the market as mobile phone, PDA etc., mostly is accordion structure, promptly comprises lid and body, adopts hinge that lid and body is rotatable hinged.

A kind of hinge arrangement that industry more often adopts is the stage clip cam-type, and promptly adopting cam and compression spring is main element, reaches certain folding function of lid and body.United States Patent (USP) the 6th, 085, the hinge (please refer to shown in Figure 8) that is disclosed for No. 387 is the hinge arrangement of this type.This hinge comprises housing 90, follower 92, cam post 94 and spring 96, and housing 90 1 ends are established perforate 902, and the other end is established the bent sheet 904 of extension, and two chutes 906 are set on its sidewall.The main body of follower 92 is a cylinder 922, and the one end is established projection 924, and the other end is established the projection 926 of two symmetries.Cam post 94 1 ends are established cam surface 942, and the other end is established the body 946 of polygon column, and sliding rib 948 is established in body 946 both sides.After the assembling, follower 92, cam post 94 and spring 96 all are contained in the housing 90, with bent sheet 904 bending of housing 90 so that said elements is fixed in the housing 90.The projection 924 of follower 92 is stretched out by the perforate 902 of housing 90, cooperates with the body of mobile phone.Cam post 94 can be slided in the chute 906 of housing 90 by sliding rib 948, and together rotates with housing 90, and the body of housing and mobile phone cooperates.The projection 926 of follower 92 keeps in touch with the cam surface 942 of cam post 94 under spring 96 effect all the time.Adopt above-mentioned hinge arrangement, only need lid is opened a smaller angle, lid can be inverted to the precalculated position under the mating reaction of the follower 92 of hinge and cam post 94.The start principle is identical when closed and during unlatching, and it is comparatively convenient to use.Right its shortcoming is, follower 92 and cam post 94 motion path when the opening and closing of mobile phone lid is identical, and direction is opposite, thereby bigger to the concentrated wear of element, influences the useful life of this hinge arrangement.In addition, because the projection 926 of follower 92 and the cam surface 942 of cam post 94 are symmetric design, two settling positions are 180 degree at interval, and be the person's of being used use, clamshell phone only opens 150 to 160 degree usually, so adopt above-mentioned hinge arrangement to need handset shell is made respective design,, limited the design space of handset shell to limit its opening angle.And this housing produces greater impact power when mobile phone is opened, and is easy to make housing to damage and the shortening mobile phone life-span.

[summary of the invention]

The purpose of this utility model is to provide a kind of long service life and by the hinge arrangement that himself limits the opening and closing angle.

The purpose of this utility model is achieved in that the utility model hinge arrangement comprises button cover, clamping piece, main shaft, pushing top spring, cam post, sleeve, end axle and torsion spring.Clamping piece is the polygon cylinder, has polygon clip hole on it.Main shaft comprises coaxial main shaft and center pillar, and main shaft one end is provided with fin, and center pillar one end is established cam surface.Pushing top spring is set on the main shaft, and an end supports clamping piece, and the other end supports the center pillar of main shaft.Cam post one end is established the cam surface that cooperates with the cam surface of main shaft, and the other end is established locking groove.Sleeve one end is established the stop block that cooperates with the cam post locking groove, and the sleeve outside is convexly equipped with floor.Torsion spring comprises two ends that cooperate with sleeve and end axle respectively.

Compared with prior art, advantage of the present utility model is: the element concentrated wear of the utility model hinge arrangement is less, thereby tool is than the long life, and its opening angle is limited by hinge arrangement self, do not need the housing of portable electron device is made matching design, thereby use the big design space of portable electronic device shell tool of this hinge arrangement.

[description of drawings]

Fig. 1 is the stereogram of the suitable mobile phone of the utility model hinge arrangement.

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

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

Fig. 4 is the assembly drawing of the utility model hinge arrangement.

Fig. 5 is the cutaway view of the utility model hinge arrangement.

Fig. 6 is the assembly drawing of the utility model hinge arrangement in opening process.

Fig. 7 is the assembly drawing of the utility model hinge arrangement in closing closed procedure

Fig. 8 is the three-dimensional exploded view of existing hinge arrangement.

[embodiment]

The utility model hinge arrangement is used for the folder-type portable electronic installation.

Please refer to shown in Figure 1, the portable electron device 01 that the utility model hinge arrangement is suitable for (being mobile phone in the present embodiment) comprises lid 012 and body 014, lid 012 is connected by hinge arrangement is rotating with body 014, and structures such as display screen and button (figure does not show) further are set on it.

Please refer to Fig. 2 and shown in Figure 3, the utility model hinge arrangement comprises button cover 1, clamping piece 2, pushing top spring 3, axle sleeve 32, main shaft 4, cam post 5, stage clip 59, sleeve 6, torsion spring 7, axle center spring 76 and end axle 8.

Button cover 1 is the hollow cylinder of an end opening, and the outer side surface of its openend extends outward three locating pieces 12, and this locating piece 12 is evenly distributed on the periphery of button cover 1.

Clamping piece 2 is the polygon cylinder, extend outward the oblate cylinder of three equally distributed fixture blocks 22 in the present embodiment for periphery, its middle part has axial clip hole 24, periphery along this clip hole 24 has three equally distributed axial draw-in grooves 26, clip hole 24 and the draw-in groove 26 common non-cylindrical holes that connect that form.The one side of clamping piece 2 further is provided with three equally distributed guide vane end stops 28 in the outside in clip hole 24, this guide vane end stop 28 extends axially along clamping piece 2.Clamping piece 2 is not established the one side of guide vane end stop 28 and the openend of button cover 1 bonds together, the locating piece 12 position correspondences of its fixture block 22 and button cover 1.

Pushing top spring 3 is the column spring, and one end ejection clamping piece 2 is provided with the one side of guide vane end stop 28, and is set in three guide vane end stop 28 outsides.Pushing top spring 3 is normal condition or default certain pressure.

Axle sleeve 32 is a hollow cylinder, and its outside is step-like, and in order to share torsion, connecting the lid 012 of mobile phone 01 and the cable of body 014 (figure does not show) can be by wherein passing.

Main shaft 4 is made up of main shaft 42, fin 44 and center pillar 46, main shaft 42 is a slender cylinder, the one end is provided with three equally distributed fins 44, the middle part is provided with the bigger center pillar of diameter 46, center pillar 46 is the plane towards an end of fin 44, the other end establishes 462, three protuberances of cam surface and three recesses (figure is mark not) alternately are evenly distributed on this cam surface 462.Fin 44 is in order to cooperate with the draw-in groove 26 of clamping piece 2, and projection 46 is not established an end of cam surface 462 and an end of pushing top spring 3 offsets.

Cam post 5 is roughly cylinder, has axis hole 52 along its axle center, and this axis hole 52 is a shoulder hole.Cam post 5 is provided with cam surface 54 at the less end of axis hole 52 diameters, three protuberances and three recesses (figure is mark) alternately are evenly distributed on this cam surface 54, the shape correspondence of the cam surface 462 of its shape and main shaft 4, have groove on the wall of the other end, be two locking grooves 56 and two screens grooves 58 in the present embodiment, locking groove 56 and screens groove 58 are adjacent.The two pairs of locking grooves 56 and screens groove 58 are symmetrically distributed with the center, axle center of cam post 5.

Stage clip 59 is the column spring, and the one end supports and be housed in the bigger part in axis hole 52 apertures of cam post 5.Stage clip 59 default certain pressures.

Sleeve 6 is roughly cylinder, establishes the shoulder hole 62 of perforation in it.Sleeve 6 extends axially out two stop blocks 64 that are symmetrically distributed at the bigger end in shoulder hole 62 apertures, and the other end extends axially out two jacking blocks 66 that are symmetrically distributed and offers spacing hole 68 between jacking block 66, the parallel axes of the axis of spacing hole 68 and shoulder hole 62.Stage clip 59 is contained in the bigger part in shoulder hole 62 apertures, and stop block 64 is in order to cooperate with the locking groove 56 and the screens groove 58 of cam post 5.Sleeve 6 outsides are convexly equipped with floor 69 vertically, in order to cooperate with the lid 012 of mobile phone 01.

Torsion spring 7 is the column spring, and its two ends bend vertically and are end 72, and wherein an end inserts in the spacing hole 68 of sleeve 6.Torsion spring 7 default certain torsion and certain pressures.

Axle center spring 76 is the column spring, and its external diameter is less, is contained in the less part of shoulder hole 62 diameters of sleeve 6, and one end ejection main shaft 4 is not established an end of fin 44.

End axle 8 is roughly cylinder, and the one end is offered the containing hole 82 of non-perforation, in order to ccontaining axle center spring 76.End face at this containing hole 82 is provided with alternatively distributed two recesses 84 and two projections 842, and projection 842 is connected with inclined-plane 844 with an adjacent recess 84.End axle 8 other ends are established card not-go-end 86, and end axle 8 outer rings are established stop ring 88, and card not-go-end 86 and stop ring 88 are in order to cooperate with the body 014 of mobile phone 01.Please refer to shown in Figure 7, near further being arranged with fastening groove 89 on the stop ring 88 of an end that card not-go-end 86 is not set, in order to an end 72 of clip torsion spring 7.

During assembling, an end of earlier main shaft 4 being established fin 44 passes pushing top spring 3, axle sleeve 32 and clamping piece 2 successively, and axle sleeve 32 is set in pushing top spring 3 outsides.The openend of button cover 1 and clamping piece 2 bond together.The other end with main shaft 4 passes cam post 5, stage clip 59 and sleeve 6 successively again, one end of axle center spring 76 is inserted the less end of diameter of the shoulder hole 62 of sleeve 6, the containing hole 82 of other end insertion end axle 8, the spacing hole 68 of sleeves 6, the fastening groove 89 of the other end 72 insertion end axles 8 are inserted in one end 72 of torsion spring 7.

The above-mentioned hinge arrangement that assembles is contained in the through hole (figure does not show) that runs through lid 012, groove in the floor 69 of sleeve 6 and lid 012 through hole (figure does not show) cooperates, sleeve 6 can together be rotated with lid 012, again with above-mentioned hinge arrangement compression, insert body 014 relevant position, discharge above-mentioned hinge arrangement, the card not-go-end 86 of end axle 8 is snapped in the non-through hole (figure does not show) of body 014 1 sides, because the effect of card not-go-end 86 and stop ring 88, end axle 8 relative bodies 014 are fixed.Button cover 1 and clamping piece 2 snap in the through hole of body 014 opposite side, the interior corresponding non-through draw-in groove that is provided with of this through hole, the locating piece 12 of button cover 1 and the fixture block 22 of clamping piece 2 are stuck in wherein, make button cover 1 can slide along this groove by relative body 014 with clamping piece 2, but can not rotate to it, can be by wherein deviating from yet.Button cover 1 is exposed to body 014 outside.

When mobile phone 01 is in state shown in Figure 1, when promptly the relative body of lid 012 014 was closed, the residing state of this hinge arrangement as shown in Figure 4 and Figure 5.Fin 44 holdings of main shaft 4 one ends are in the draw-in groove 26 of clamping piece 2, and the cam surface 462 of main shaft 4 and the cam surface 54 of cam post 5 are meshed.The stop block 64 of sleeve 6 is stuck in the locking groove 56 of cam post 5, and the jacking block 66 of sleeve 6 supports the projection 842 of end axle 8.This is a stable state.

In the time of need opening the lid 012 of mobile phone 01, grip the body 014 of mobile phone 01, push the button cover 1 that is exposed to body 014, button cover 1 and clamping piece 2 together move axially.Because the ejection effect of axle center spring 76, main shaft 4 can together not moved with button cover 1 and clamping piece 2, so deviate from the draw-in groove 26 of the fin 44 of main shaft 4 by clamping piece 2.Because the default certain torsion of torsion spring 7, and one end 72 is inserted in the fastening groove 89 of end axle 8, and relative fixed is rotated so its other end 72 drives sleeves 6, thereby further drives cam post 5, main shaft 4 and lid 012 rotation.At this moment, stop pressing button lid 1, pushing top spring 3 ejection clamping pieces 2 and button cover 1, the trend that its tool is resetted, when main shaft 4 relative closure state rotations 120 were spent, the fin 44 of main shaft 4 snapped in the draw-in groove 26 of clamping piece 2 once more, main shaft 4 stops operating, and cam post 5 also stops operating with it.At this moment, lid 012 relative body 014 opens 120 degree.In this process, the jacking block 66 of sleeve 6 844 moves on to recess 84 by the projection 842 of end axle 8 ends through the inclined-plane, and only by another projection 842 cards, because there is certain precompression in stage clip 59, its ejection cam post 5 and sleeve 6 make cam post 5 and sleeve 6 be separated from each other certain distance, stop block 64 is by deviating from the locking groove 56, sleeve 6 is subjected to the twisting force of torsion spring 7 further to rotate about 30 degree, and stop block 64 snaps in the screens groove 58, stops operating.This stable state of opening for lid 012 (please refer to shown in Figure 6), lid 012 relative body 014 are opened 150 degree.

With lid 012 relative body 014 by open mode when closed, to lid 012 relative body 014 application of force.Lid 012 drives the torsion reverse rotation that sleeve 6 overcomes torsion spring 7, and the stop block 64 of sleeve 6 is deviate from by the screens groove 58 of cam post 5, moves into locking groove 56, and stop block 64 drives cam post 5 rotations in the lump.Because the fin 44 of main shaft 4 still is stuck in the draw-in groove 26 of clamping piece 2, main shaft 4 can't rotate, the cam surface 54 of cam post 5 thereby and the cam surface 462 of main shaft 4 throw off by engagement, the protuberance of cam surface 54 is shifted out by the recess of cam surface 462 and moves to the protuberance of cam surface 462, cam post 5 moves axially simultaneously, treat that the protuberance of cam surface 54 crosses the protuberance of cam surface 462, stop lid 012 application of force, cam post 5 is subjected to the ejection of torsion spring 7 and sleeve 6, the protuberance of cam surface 54 promptly moves on to the adjacent recess of cam surface 462 automatically, at this moment cam post 5 turns over 120 degree, and lid 012 and sleeve 6 turn over about 150 degree.

Claims

1. hinge arrangement, it is characterized in that: this hinge arrangement comprises button cover, clamping piece, main shaft, pushing top spring, cam post, sleeve, end axle and torsion spring, described button cover is the cylinder of an end opening, described clamping piece is the polygon cylinder, have polygon clip hole on it, described main shaft comprises coaxial main shaft and center pillar, main shaft one end is provided with fin, center pillar one end is established cam surface, described pushing top spring is set on the main shaft, one end supports clamping piece, the other end supports the center pillar of main shaft, described cam post one end is established the cam surface that cooperates with the cam surface of main shaft, and the other end is established locking groove, and described cam post one end is established the cam surface that cooperates with the cam surface of main shaft, the other end is established locking groove, described sleeve one end is established the stop block that cooperates with the cam post locking groove, and the sleeve outside is convexly equipped with floor, and described torsion spring comprises two ends that cooperate with sleeve and end axle respectively.

2. hinge arrangement as claimed in claim 1 is characterized in that: the main shaft of described main shaft is an elongated cylinder, and center pillar is located at its middle part, and three protuberances and three recesses alternately are evenly distributed on the cam surface of center pillar.

3. hinge arrangement as claimed in claim 2, it is characterized in that: described cam post has stepped axis hole, its end of establishing locking groove further has the screens groove, screens groove and locking groove adjacency, and three protuberances and three recesses alternately are evenly distributed on the cam surface of cam post.

4. hinge arrangement as claimed in claim 3 is characterized in that: establish the shoulder hole of perforation in the described sleeve, an end of not establishing stop block is convexly equipped with jacking block and has spacing hole, and an end of torsion spring is contained in the spacing hole of sleeve.

5. hinge arrangement as claimed in claim 4 is characterized in that: described end axle one end is offered the containing hole of non-perforation, and alternatively distributed recess and projection are set, and the other end is established the card not-go-end, and outer ring is established stop ring, further is arranged with fastening groove on the stop ring.

6. hinge arrangement as claimed in claim 5 is characterized in that: the other end of described torsion spring is placed in the fastening groove of end axle, and the main shaft of described main shaft is contained in the shoulder hole of the axis hole of cam post and sleeve.

7. hinge arrangement as claimed in claim 6, it is characterized in that: described hinge arrangement further comprises a stage clip, and it is contained in the shoulder hole of sleeve, and an end supports the end that cam post is not established cam, the other end supports sleeve, and the main shaft of main shaft is set in the stage clip.

8. hinge arrangement as claimed in claim 7 is characterized in that: described hinge arrangement further comprises the axle center spring, and it is contained in the containing hole of end axle, and an end supports main shaft, and an end supports the end axle.

9. hinge arrangement as claimed in claim 8 is characterized in that: described clamping piece is the oblate cylinder that extends outward three equally distributed fixture blocks, and its one side further is provided with guide vane end stop in the outside in clip hole, and pushing top spring is set in the guide vane end stop outside.

10. hinge arrangement as claimed in claim 9 is characterized in that: described hinge arrangement further comprises an axle sleeve, is set in the pushing top spring outside.