CN2673045Y

CN2673045Y - Hinge structure

Info

Publication number: CN2673045Y
Application number: CN 200320119054
Authority: CN
Inventors: 吴熴灿; 赵子豪
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2003-12-05
Filing date: 2003-12-05
Publication date: 2005-01-19
Anticipated expiration: 2013-12-05

Abstract

The utility model provides a hinge structure, which comprises an outer casing, a spring piece, a rotator, a bottom cover and a plurality of plug pins. The outer casing is a hollow cylinder, an opening is opened at one end of the outer casing, and the other end is a semi-enclosed end. A jack is formed at the semi-enclosed end. The hinge structure also comprises an elastic element contained in the outer casing, and is a closed cylinder, and the elastic material is bended to form the closed cylinder. The rotator is contained in the elastic element, and comprises a fixed end and a cylinder, the fixed end passes through the jack to extend out of the outer casing, and the side wall of the cylinder extends to form at least one contact part. The bottom cover is clamped at the open end of the outer casing.

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 electronic equipments such as (Personal Digital Assistant, personal digital assistants).

[background technology]

At present, the portable electronic equipment 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 rotatably 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 primary clustering, reaches certain folding function of lid and body.The hinge leaf device (please refer to Fig. 1) that is disclosed for No. 98109390.6 as Chinese patent application is the hinge arrangement of this type.This hinge leaf device comprises axle 10, spring 20, sliding cam 30, cam member 40 and snap ring 50.One end of axle 10 is established flange 102, and column fixture block 104 is established in flange 102 outsides, and this fixture block 104 cooperates with the portable electronic equipment body, and the cross section of main shaft 106 is non-circular, and the cross section of shaft end 108 is circular.Sliding cam 30 is a hollow circular cylinder, and the cross sectional shape of its centre bore 302 is consistent with main shaft 106 cross sectional shapes, and sliding cam 30 1 ends are cam surface 304.Cam member 40 is a hollow circular cylinder, in establish cylindric medium pore 402, its outer surface is established the groove 404 that cooperates with the portable electronic equipment lid, cam member 40 1 ends are established cam surface 406.Axle 10 passes spring 20, sliding cam 30 and cam member 40 in turn, snap ring 50 is arranged in an end of axle 10 again.Sliding cam 30 is sheathed on the main shaft 106, and cam member 40 is sheathed on the shaft end 108.The cam surface 304 of sliding cam 30 keeps in touch under the elastic force effect of spring 20 with the cam surface 406 of cam member 40.By this hinge leaf device, when portable electronic equipment is opened by closure state, open lid, lid drives cam member 40 slide relative cams 30 and rotates, to certain angle, stop the application of force, lid opens to special angle automatically under the cam surface 304,406 of cam member 40 and sliding cam 30 and spring 20 effects.

Adopt above-mentioned hinge arrangement, only need lid is opened certain angle, lid can be inverted to the precalculated position under hinge effect.When closed during with unlatching the start principle identical, it is comparatively convenient to use.But, when the portable electronic equipment lid and body is opened and when closed, there is greater impact power in body, and the relative body of lid is a stable state at closure state and complete opening state only, any angle betwixt is all unstable, it is needed arbitrarily angled promptly can not to make its lid and body can stay in the user, thereby this kind hinge arrangement obviously can not satisfy user's demand.

Therefore, provide a kind of simple in structure and can to make the relative body of lid open at any angle hinge arrangement real in necessary.

[summary of the invention]

It is a kind of simple in structure and can make the relative body of lid of portable electronic equipment open hinge arrangement at any angle that the purpose of this utility model is to provide.

In order to realize the purpose of this utility model, the utility model provides a kind of hinge arrangement, comprises shell body, is hollow cylinder, an end opening, and the other end is semiclosed, and semiclosed end forms a jack; Flexible member is placed in this shell body, is the driving fit cylinder that is formed by the elastomeric material bending; Rotor is placed in this flexible member, comprises stiff end and cylinder, and stiff end passes jack and is stuck in outside the shell body, extends at least one support division on this column side wall, and bottom, is arranged in the openend of shell body.

Compare existing hinge arrangement, the utility model hinge arrangement is simple in structure, and is easy to assembly, and can adapt to the specific function requirement of portable electronic equipments such as mobile phone, PDA, make its lid relatively body open arbitrarily angled.

[description of drawings]

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

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

Fig. 3 is the three-dimensional assembly diagram of the utility model hinge arrangement;

Fig. 4 is a kind of status architecture schematic diagram of rotor in spring leaf of the utility model hinge arrangement;

Fig. 5 is the another kind of status architecture schematic diagram of rotor in spring leaf of the utility model hinge arrangement.

[embodiment]

The utility model hinge arrangement is used for mobile phone, PDA portable electronic equipments such as (Personal DigitalAssistant, personal digital assistants).

Please refer to shown in Figure 2ly, the utility model hinge arrangement comprises shell body 1, rotor 2, spring leaf 3, bottom 4 and a plurality of latch 5.

Shell body 1 is the hollow square cylinder, an end opening, and the other end is semiclosed.Semiclosed end forms a circular socket holes 12, offers two jacks 14 respectively near on the two lateral walls of openend.

Rotor 2 comprises stiff end 22, cylinder 24 and boss 26, stiff end 22 is a cube cylinder, cylinder 24 is a cylindrical-shaped structure, and on its outer wall, extend two support divisions 242 respectively, this two support division 242 lays respectively at the diameter two-end-point place of cylinder 24 cross sections, and the length of support division 242 is less than the axial length of cylinder 24, thereby an end 244 is also left in the bottom of cylinder 24, boss 26 is cylinders, between stiff end 22 and cylinder 24, and its cross-sectional diameter is greater than cylinder 24 cross-sectional diameters.

Spring leaf 3 is the driving fit cylinders that formed by the better and more wear-resisting flaky material bending of elasticity such as metal, it is surrounded by square sidewall 32 and curved wall 34, the joint of square sidewall 32 and curved wall 34 forms a rounding off, the support division 242 of cylinder 24 can closely contact with this circle transition position, and the inwall of curved wall 34 can closely contact with cylinder 24, square sidewall 32 and curved wall 34 relative part one ends extend outward a stator 322, offer two jacks 324 on this stator 322.

Bottom 4 comprises base 42 and extends the holding part 44 that forms from this base 42, this holding part 44 is rectangular cylinders, inwardly be recessed into a circular groove 442 on its top surface, the diameter of this circular groove 442 equals the bottom surface diameter of the end 244 of rotor 2, offer two jacks 444 on the two lateral walls of holding part 44 respectively, offer groove 446 on one of them sidewall, in order to the stator 322 of putting spring sheet 3.

During assembling, stator 322 with spring leaf 3 inserts in the groove 446 of bottom 4 earlier, this moment the jack 324 on the stator 322 just in time with holding part 44 sidewalls on jack 444 align, cylinder 24 with rotor 2 inserts in the spring leaf 3 then, this moment, cylinder 24 was affixed on the inwall of curved wall 34, and its support division 242 just in time places the transition position of 34 of square sidewall 32 and curved walls, and end 244 is embedded in the circular groove 442, boss 26 is fastened in spring leaf 3 opening parts, again shell body 1 is placed in rotor 2, the stiff end 22 of rotor 2 outwards leans out from circular jack 12, jack 14 aligns with jack 324 and jack 444, at last, latch 5 is inserted from jack 14 respectively, and shell body 1 and spring leaf 3 and bottom 4 are fixed together.So, whole hinge arrangement forms a complete structure, reaches modularization, and the hinge stereogram of assembling back as shown in Figure 3.

The portable electronic equipment (figure does not show) that is suitable for the utility model hinge arrangement comprises lid and body.Lid cooperates with the shell body 1 of hinge arrangement, and the body stiff end 22 outer with being exposed to shell body 1 cooperates.Please refer to shown in Figure 4ly, when the relative body of lid was closed, the utility model hinge arrangement was in shown position.At this moment, cylinder 24 is affixed on the inwall of curved wall 34, and its support division 242 just in time places the transition position of 34 of square sidewall 32 and curved walls.At this moment, the utility model hinge arrangement is in metastable state.

Please refer to shown in Figure 5ly, in the relative body opening procedure with the portable electronic equipment lid, rotor 2 relative bodies do not rotate, and lid drives shell body 1, spring leaf 3 and bottom 4 and rotates relative to body.In the rotation process, elastic deformation takes place in the extruding that is subjected to the support division 242 of rotor 2 owing to spring leaf 3, because spring leaf 3 elastically-deformable reaction forces are bigger, so make the bigger frictional force of existence between spring leaf 3 and the support division 242, thus make the portable electronic equipment lid relatively body stay in arbitrarily angled less than 180 degree.

After turning over 180 degree, spring leaf 3 recovers initial configuration because of the extruding that is not subjected to support division 242, in rotation process, when the relative body of lid turns over 180 when spending, the support division 242 of spring leaf 3 slides into the transition position of 34 of square sidewall 32 and curved walls, reach metastable state (figure does not show) once more, thereby the relative body of lid also keeps relative stability the better position when this is normal talking.

Be appreciated that, the spring leaf 3 of the utility model hinge arrangement is not limited only to be surrounded by square sidewall 32 and curved wall 34, it can be the driving fit cylinder of Any shape, and corresponding to the driving fit cylinder of this shape, the number of support division 242 on rotor 2 cylinders 24 can corresponding be set, and rotor 2 can only comprise stiff end 22 and cylinder 24, and the diameter of section of cylinder 24 can be fastened in the housing 1 cylinder 24 and gets final product greater than the catercorner length of stiff end 22.

Claims

1. hinge arrangement, it is characterized in that: this hinge arrangement comprises shell body, flexible member, rotor and bottom, wherein shell body is a hollow cylinder, one end opening, the other end is semiclosed, semiclosed end forms a jack, flexible member is placed in this shell body, it is the driving fit cylinder that forms by the elastomeric material bending, rotor is placed in this flexible member, comprises stiff end and cylinder, and this stiff end passes described jack and is stuck in outside the shell body, extend at least one support division on this column side wall, bottom is arranged in the openend of shell body.

2. hinge arrangement as claimed in claim 1 is characterized in that: described shell body is square hollow cylinder, offers a plurality of jacks on its two relative sidewalls.

3. hinge arrangement as claimed in claim 2 is characterized in that: offer a plurality of jacks on the sidewall of described flexible member, and corresponding with the jack of offering on the described shell body two side.

4. hinge arrangement as claimed in claim 3 is characterized in that: offer a plurality of jacks on the two lateral walls of described bottom respectively, and corresponding with the jack of offering on the described shell body two side.

5. hinge arrangement as claimed in claim 4 is characterized in that: this hinge arrangement further comprises a plurality of latches, passes the jack on shell body, flexible member and the bottom successively.

6. hinge arrangement as claimed in claim 1 is characterized in that: the cylinder of described rotor is a solid cylinder, and stiff end is a square cylinder, and the diameter of section of cylinder is greater than the catercorner length of described stiff end.

7. hinge arrangement as claimed in claim 1 is characterized in that: described support division is along the axial length of the axially extended length of cylinder less than cylinder.

8. hinge arrangement as claimed in claim 1 is characterized in that: described rotor also comprises a boss, and this boss is a cylinder, and between stiff end and cylinder, and its cross-sectional diameter is greater than the cross-sectional diameter of described cylinder.

9. hinge arrangement as claimed in claim 1 is characterized in that: described bottom further comprises base and extends upward the holding part that forms from this base, offers groove on the sidewall of this base.

10. hinge arrangement as claimed in claim 9, it is characterized in that: described holding part is a square sidewall, inwardly be recessed into a circular groove on its top surface, the diameter of this circular groove equals the bottom surface diameter of rotor end, and a plurality of jacks on the described bottom are opened on the two lateral walls of described holding part.