CN201365264Y - Pivot device for mobile phone with exposed spring - Google Patents

Abstract

The utility model relates to a pivot device for a mobile phone with an exposed spring; a rotating shaft goes through a cam, a concave wheel, the spring and an end cap to enter the pivot device with the function of automatic locking; the cam is arranged outside an outer shell and rotates; the concave wheel is arranged in the outer shell and slides; and part of the spring is exposed outside the outer shell, so that the spring with larger elasticity coefficient can be selected. Thereby, the size of the whole pivot device can be reduced, and the assembly is easier.

Description

The mobile phone pivot device that spring exposes

Technical field

The utility model refers to the mobile phone pivot device that a kind of spring exposes especially about a kind of handset structure.

Background technology

In the shell type mobile phone, constituted with the loam cake that a body and with button has a screen, connect to reach with pivot device therebetween and open and closed action.In order to make loam cake unlatching and closed convenient, one recessed the wheel and cam structure can be set in pivot device, make loam cake will go to maximum opening angle automatically being opened to a certain angle, perhaps be closed to this angle will auto-closing, be commonly referred to as automatic blocking (autolock) function.

Because mobile phone is portable communication product, have the consolidation requirement, make that the space of its installing pivot device is limited, how to provide can reduced volume, have the pivot device of enough rotary torsions again, is the trend of development at present.

In relevant preceding case, the novel patent announcement of Chinese T W number 572575 " pivot devices that mobile phone is used " are arranged, the pivot device that it is used about a kind of mobile phone.In the embodiment of above-mentioned patent document, collapsible mobile phone comprises body 10 and loam cake 20, establish several protuberances 12 on the body, the ccontaining axle sleeve 30 that fixedly has groove 31 and side opening 32 in one protuberance, inside grooves is assembled spring 40 in regular turn, traversing 50 and rotating part 60, relative side opening place establishes rotating shaft 62 and protruding axle 63 on the rotating part, protruding axle is overhanging and combine with the loam cake side and to fix by the side opening place, on traversing and rotating part, form respectively and have a pair of male and fomale(M﹠F) 53,54 connection end face 52, the convex surface and the concave surface that form on mat rotating part and traversing 's the relative connection end face cooperatively interact down, can reach the closure or the purpose of opening of the relative body of control loam cake, so with under the simple space structure kenel, can reach and reduce cost and purpose that failure rate is low.

Again, the novel patent announcement of the Chinese T W number number M287031 preceding case that " is applied to the pivot device of portable apparatus " is arranged, it provides a kind of pivot device that is applied to portable apparatus, includes an axle sleeve 10, a spring 20, a sliding part 30 and a rotating shaft 40; Be formed with a tank 11 on this axle sleeve one end, be formed with number button pawl 12 on the edge of opening of this tank; This spring is arranged in this tank; This sliding part is arranged in the tank, leans with spring, is formed with half location division 41 on this sliding part one end; This rotating shaft is arranged on the axle sleeve and can rotates relative to axle sleeve, and an end is formed with a cap portion 44, in cap portion, be formed with and stretch in the tank and half location division that combines with sliding part half location division, in rotating shaft, be formed with one for detaining the cannelure 45 that pawl stretches into, by the design of button pawl and cannelure, can make rotating shaft not only relatively axle sleeve rotate but also unlikely coming off, in addition, extra fixture is saved in this design, so the pivot device structure can be simplified and cost can reduce.

Moreover, in the preceding case of the novel patent announcement M294821 of Chinese T W " pivot device " with multistage positioning function, it is a kind of pivot device with multistage positioning function, wherein comprise a hollow shaft housing 10, one axostylus axostyle 20 is arranged in wherein, one spacer group 30 is arranged in the axle sleeve and is sheathed on the axostylus axostyle, first spacer 31 of spacer group interfixes with axle sleeve, second and third spacer 32 of spacer group, 33 interfix and are located at the first spacer both sides respectively with axostylus axostyle, the first spacer both sides are respectively equipped with ball 316,319, second and third spacer is respectively equipped with relative location indentations 323,333, the base of axle sleeve and electronic installation interfixes, the loam cake of the 3rd spacer and electronic installation interfixes, when loam cake opens and closes with respect to base, loam cake drives second and third spacer and rotates with respect to first spacer, so the ball that makes the spacer of winning respectively with the location indentations tabling of second and third spacer, the locating effect when providing loam cake closed and when opening use with respect to base.

Yet, in above-listed preceding case, though all can reach the function of automatic blocking, because its structural design is to provide the spring of elastic force to be arranged within the shell fully, feasible for what assemble, with the essential less spring of coefficient of elasticity of selecting of restraining spring, so, as identical torsion will be provided, the essential spring of length that utilizes will cause the length of whole pivot device to increase; Simultaneously, these structural designs are to be unfavorable for the operation of assembling, and relative cost improves.

In addition, these a little known pivot devices in case assembling is finished, then can't be adjusted the torsion of pivot device that spring provides, and can only be applicable to that its property adjusted is not good with money or similar mobile phone, also remain to be improved.

Summary of the invention

The utility model purpose is, the mobile phone pivot device that provides a kind of spring to expose by spring is partly exposed to outside the shell, makes spring can select coefficient of elasticity the greater for use, dwindling the volume of whole pivot device, and makes assembling more or less freely.

According to above-mentioned purpose, the mobile phone pivot device that a kind of spring exposes is connected between mobile phone body and loam cake; It is characterized in that, comprising:

One shell is fixedly connected on this mobile phone body, and it has two hollow cylinders that form tangent plane relatively, and an end is the open end, and the other end has sealing surface, and is provided with a circular port on this sealing surface;

One rotating shaft comprises an expansion section and an axial region, this expansion section be positioned at this axial region one end and diameter bigger, and this axial region relatively is formed with the threaded portion on the other end of this expansion section;

One cam, be located at outside the sealing surface of this shell, have the scalariform hole of passing for this expansion section and this axial region, and be formed with a pair of double wedge, and be formed with the non-circular connecting portion that is connected with this mobile phone loam cake and can together rotates at opposite side relative to this double wedge at end face;

One recessed the wheel has one and is combined in inner segment and in this shell and passes outer section of this sealing surface, and the center also has an axis hole that passes for this axial region; Should be formed with a pair of depression that cooperates by the outer section end face adjacent with the double wedge of this cam; And this inner segment has two tangent planes that match with the tangent plane of this shell, and whole recessed the wheel slidably and not remains in this shell rotationally;

One spring is combined on this axial region, and an end offsets with this recessed inner segment end face of taking turns, and the double wedge of this cam keeps contacting with this recessed depression of taking turns, and partly exposes to outside this shell from this open end; And

One end cap is locked on the threaded portion of this axial region, and offsets with this spring other end.

By said structure, make spring can select coefficient of elasticity the greater for use, thereby dwindled the volume of whole pivot device, and make assembling more or less freely.

Below, design feature of the present utility model and operation effect will be described in detail according to the embodiment shown in the drawing.

Description of drawings

Fig. 1 represents that the utility model is assembled in the schematic diagram of mobile phone,

Fig. 2 represents exploded view of the present utility model,

Fig. 2 A represents recessed another angle diagrammatic sketch of taking turns of the present utility model,

Fig. 3 represents constitutional diagram of the present utility model,

Fig. 4 represents phantom of the present utility model,

Fig. 5 represents cross section view of the present utility model,

Fig. 6 represents action diagram of the present utility model.

Embodiment

See also Fig. 1, mobile phone that spring provided by the utility model exposes is with pivot device 1, is to be connected in 22 of the body 21 of mobile phone 2 and loam cakes, so that body 21 and loam cake 22 to be provided automatic blocking (autolock) function arranged.

See also Fig. 2 to Fig. 4, the mobile phone that spring of the present utility model exposes mainly is made of a shell 11, a rotating shaft 12, a cam 13, one recessed six elements such as 14, one spring 15 and an end cap 16 of taking turns with pivot device.

Shell 11 of the present utility model is fixedly connected on mobile phone body 21, and it is a hollow cylinder, and having two relative formation tangent plane 111, one ends is open end 112, and the other end has sealing surface 113, and is provided with a circular port 114 on this sealing surface.

Rotating shaft 12 comprises an expansion section 121 and an axial region 122, expansion section 121 be positioned at axial region 122 1 ends and diameter bigger, and form threaded portion 123 on the other end of axial region 122 relative expansion sections 121.

Cam 13 is located at outside the sealing surface 113 of shell 11, has the scalariform hole 131 that supplies expansion section 121 and axial region 122 to pass, and form a pair of double wedge 132 at end face, and form non-circular connecting portion 133 at the relative opposite side of double wedge 132, and this connecting portion 133 is connected with mobile phone loam cake 22 and together rotation.

Recessedly take turns 14 and have one and be combined in inner segments 141 and in the shell 11 and pass outer section 142 of sealing surface 113, the center also has an axis hole 143 that provides axial region 122 to pass; The a pair of depression 144 that should outer section 142 adjacent with the double wedge 132 of cam 13 end face formation cooperates (can referring to Fig. 2 A); And inner segment 141 has two tangent planes 145 that match with the tangent plane 111 of shell 11, makes wholely recessedly to take turns 14 and remain in and slide in the shell 11 and do not rotate.

Spring 15 is combined on the axial region 122, can have bigger coefficient of elasticity, and for example line footpath is thicker, and the one end offsets with recessed 14 inner segment 141 end faces of taking turns, and makes double wedge 132 maintenances of cam 13 contact with recessed 14 the depression 144 of taking turns, to reach the function of automatic blocking; And spring 15 partly expose to from open end 112 shell 11 outside, can be referring to shown in Figure 3.

End cap 16 is locked on the threaded portion 123 of axial region 122, and offsets with spring 15 other ends.

The utility model is in when assembling, as long as earlier the axial region 122 of rotating shaft 12 put in regular turn cam 13, shell 11, recessedly taken turns 14, behind the spring 15, lock on the threaded portion 123 with end cap 16 again, can finish assembling; Because spring 15 partly exposes to outside the shell 11, when assembling, do not need to bestow pressure compression in shell as known technology, this is very easy and assembly operation fast, far beyond the known configurations time and labour saving.

In the utility model structure, the elasticity that is provided via spring 15, and the double wedge 132 that can keep cam 13 takes turns 14 depression 144 interferences and contacts with recessed, as shown in Figure 5.But when the loam cake 22 of mobile phone 2 rotates,, can drive cam 13 and together rotate (shown in arrow G among the figure 1), make double wedge 132 break away from recessed 14 the depression 144 of taking turns, recessedly take turns 14 at mobile (shown in arrow G among the figure 2) pressuring spring 15 in the shell 11 and cause referring to Fig. 6; After loam cake 22 was unlocked a certain angle of arrival, double wedge 132 can slip in the depression 144, is opened into maximum angle automatically to reach.

Otherwise, as will covering loam cake 22 when the body 21, go to this a certain angle with the time near make position at loam cake 22, because the elastic force of spring 15 can make cam 13 rotate to double wedge 132 automatically and slip in the depression 144, reach the automatic blocking function.

Noticeable, shell 11 is outer to rotate the utility model because cam 13 is arranged on, and that spring 15 partly exposes to shell 11 is outer and not exclusively be coated in the shell 11, so can select the bigger spring of coefficient of elasticity for use, line footpath the greater for example can not cause the difficulty of assembling.And, make the length of whole pivot device when design, also can dwindle relatively, in order to the requirement of mobile phone reduced volume consolidationization because the coefficient of elasticity of spring 15 can be big than known configurations.

In addition, the utility model is because end cap 16 is sealed with the threaded portion 123 of axial region 122 1 ends of rotating shaft 12, except the assembling that makes whole pivot device is very easy, also can adjust the stressed of spring 15, uses to adapt to different mobile phones.

Claims (1)

1. the mobile phone pivot device that spring exposes is connected between mobile phone body and loam cake; It is characterized in that, comprising:

One shell is fixedly connected on this mobile phone body, and it has two hollow cylinders that form tangent plane relatively, and an end is the open end, and the other end has sealing surface, and is provided with a circular port on this sealing surface;

One rotating shaft comprises an expansion section and an axial region, this expansion section be positioned at this axial region one end and diameter bigger, and this axial region relatively is formed with the threaded portion on the other end of this expansion section;

One cam, be located at outside the sealing surface of this shell, have the scalariform hole of passing for this expansion section and this axial region, and be formed with a pair of double wedge, and be formed with the non-circular connecting portion that is connected with this mobile phone loam cake and can together rotates at opposite side relative to this double wedge at end face;

One recessed the wheel has one and is combined in inner segment and in this shell and passes outer section of this sealing surface, and the center also has an axis hole that passes for this axial region; Should be formed with a pair of depression that cooperates by the outer section end face adjacent with the double wedge of this cam; And this inner segment has two tangent planes that match with the tangent plane of this shell, and whole recessed the wheel slidably and not remains in this shell rotationally;

One spring is combined on this axial region, and an end offsets with this recessed inner segment end face of taking turns, and the double wedge of this cam keeps contacting with this recessed depression of taking turns, and partly exposes to outside this shell from this open end; And

One end cap is locked on the threaded portion of this axial region, and offsets with this spring other end.

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