CN201344222Y

CN201344222Y - Spring structure

Info

Publication number: CN201344222Y
Application number: CNU2008202071726U
Authority: CN
Inventors: 孙同波; 周虎; 刘欲隆; 樊秀兰; 陈大军
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2008-12-31
Filing date: 2008-12-31
Publication date: 2009-11-11
Anticipated expiration: 2018-12-31

Abstract

The utility model relates to a spring structure and a push-slide mechanism and a portable type electronic device therewith. The spring structure comprises a first end, a first screw part and a second screw part. The first end is formed by winding the first screw part around the center of the first screw part, so the diameter of the first screw part is reduced gradually. The second screw part is connected with the first screw part, and a second end is formed by winding the second screw part around the center of the second screw part and along the circumference of the first screw part, so the diameter of the second screw part is gradually increased. Thus, the service life of the spring structure is prolonged.

Description

A kind of spring structure

Technical field

The utility model relates to a kind of spring structure, and the sliding mechanism and the portable electric appts that use this spring structure.

Background technique

Portable electric appts is various in style at present, as mobile phone, MP3, MP4, PDA or the like, has brought huge convenience to people's life.These portable electric appts need have ease for operation, portability, function such as recreational, and its developing direction also has the trend of slimming concurrently.Be divided into three kinds of straight-plate-type, hinge-lid type and sliding cover types according to its physical arrangement.The straight-plate-type layout is simple, and is easy to operate, and mechanical structure is simply not fragile, but because keyboard and screen are arranged on same plane, if want to do screen more greatly then the long-pending also increase thereupon of its entire upper surface; The keyboard of hinge-lid type and sliding cover type is with in screen is arranged in different planes, and both are independent of each other at size.Wherein the turning shaft structure that hinge-lid type adopted makes its loam cake launch from the main body turnover, but rotating shaft directly has interference with the FPC that mainboard is connected in screen usually, and long-term the use can produce damaging influence to this FPC.Cover-slide-type handset staggers slide mass by sliding mechanism from main body, during operation screen and keyboard be presented in simultaneously the user in face of, have the advantage of clamshell phone and bar phone concurrently, when sliding, return the user and bring enjoyment, therefore become the new favorite in market.

The sliding mechanism of slide phone normally is made up of last slide mass and downslide kinetoplast, and spring structure is to be connected between slide mass and the downslide kinetoplast, is used to drive the mechanism of slide down kinetoplast relative movement.Some spring structure but is unfavorable for the slimming trend of portable electric appts at present.As shown in figure 12, this sliding mechanism comprises spring structure 60, goes up slide mass 64 and downslide kinetoplast 65, spring structure 60 is used to connect the slide down kinetoplast and makes the relative movement of slide down kinetoplast, wherein said spring structure 60 is a spiral spring, helical spring advantage is that the segmental arc of participation deformation is many, and is stressed even.But end that extends out of described spiral spring 62 is not on a plane with spring integral body, thereby form interference portion 61, this structure certainly will cause spring thickness to increase, thereby also increased the thickness of whole sliding mechanism, the trend lightening with portable electric appts runs in the opposite direction.

Also have some spring structures, as shown in figure 13, adopted the design of snake spring, whole spring is arranged in the plane, though do not increase the integral thickness of sliding mechanism, but its stress concentrates on several

segmental arcs

71,72,73, is causing fatigue and damage easily after the sliding repeatedly, and participates in the regional little of deformation, straightway is many, the segmental arc that participates in deformation is tired easily less, causes reducing working life.

The model utility content

The utility model is at existing spring structure and adopt the sliding mechanism of this spring structure and the feature that is unfavorable for slimming that portable electric appts exists and the problem of life-span deficiency.

The utility model provides a kind of spring structure, comprises,

First end, first spire, described first end twines to the center of first spire by first spire, and the diameter of the spire of winning is reduced gradually,

Second spire, described second spire is connected with first spire, and the circumference along first spire twines out around the center of second spire, makes the diameter of second spire increase gradually, and forms second end.

The utility model also provides the sliding that comprises above-mentioned spring structure mechanism, and described sliding mechanism also comprises upper sliding plate and lower slider plate, and described spring structure is used to connect upper sliding plate and lower slider plate and can drives upper sliding plate and the relative movement of lower slider plate.

The utility model also provides the portable electric appts that comprises above-mentioned spring structure, described portable electric appts also comprises slide mass and downslide kinetoplast, and described spring structure is used to connect slide mass and downslide kinetoplast and can drives slide mass and the relative movement of downslide kinetoplast.

According to spring structure that provides of the present utility model and the sliding mechanism and the portable electric appts that adopt this spring structure, the working life that helps realizing the lightening of sliding mechanism and portable electric appts and increased the spring structure that is adopted.

Description of drawings

Fig. 1 is the portable electric appts that comprises spring structure provided by the utility model;

Fig. 2 is the sliding mechanism that comprises spring structure provided by the utility model;

Fig. 3 is first kind of embodiment's of the utility model spring structure a plan view;

Fig. 4 is second kind of embodiment's of the utility model spring structure a plan view;

Fig. 5 is the third embodiment's of the utility model spring structure a plan view;

Fig. 6 is the 4th kind of embodiment's of the utility model spring structure a plan view;

Fig. 7 is the 5th kind of embodiment's of the utility model spring structure a plan view;

Fig. 8 is the perspective view of the utility model sliding a kind of embodiment's of mechanism closed state;

Fig. 9 is the perspective view of the utility model sliding a kind of embodiment's of mechanism intermediary movements state;

Figure 10 is the perspective view of the utility model sliding a kind of embodiment's of mechanism open mode;

Figure 11 is the another kind of embodiment's of the utility model sliding mechanism a perspective view

Figure 12 is a kind of perspective view of existing spring structure

Figure 13 is the perspective view of another kind of existing spring structure

Embodiment

Explain preferred implementation of the present utility model below with reference to the accompanying drawings.

As depicted in figs. 1 and 2, portable electric appts mainly is made up of last slide mass 2 and downslide kinetoplast 1 spring structure 3.Last slide mass 2 mainly is provided with screen function keyboard etc., downslide kinetoplast 1 mainly is provided with mainboard, input keyboard, wherein go up slide mass 2 and also have upper sliding plate 20 with last slide mass 2 stable bond, downslide kinetoplast 1 have with downslide kinetoplast 1 stable bond have a lower slider plate 10, spring structure 3 is connected in and slides up and down between the plate, and drive and slide up and down plate, thereby drive the relative movement of slide down kinetoplast.Described spring structure 3 with slide up and down plate and constitute sliding mechanism, described spring structure 3 constitutes the portable electric appts with sliding closure function with the slide down kinetoplast.

As shown in Figures 2 and 3, spring structure 3 comprises first end 34, first spire 31, and described first end 34 twines to the center 33 of first spire 31 by first spire 31, and the diameter of the spire of winning is reduced gradually.Described spring structure 3 also comprises second spire 32, described second spire 32 and first spire 31 are connected in the center 33 of first spire 31, and the center 33 ' around second spire 32 is located to twine out along the circumference of first spire 31, make the diameter of second spire 32 increase gradually, and form second end 35.Wherein first end 34 is gone up slide mass panel 20, the second ends 35 by rivet 11 connection lower slider plates 10 by rivet 21 connections.

Further, described first spire twines a circle at least, and described second spire twines a circle at least, in spring structure shown in Figure 3 first embodiment, first spire 31 has twined a circle, and second spire 32 has twined a circle, can change the number of turns of winding according to the actual needs.As shown in Figure 5, first spire 31 twines 3 circles around central point 33, and second spire 32 twines 3 circles around central point 33 '.

Further, described spring structure integral body is positioned at same plane, and whole spring structure thickness has only the thickness in spring thread footpath, has reduced the thickness of whole sliding mechanism effectively.

Further, in order to increase sliding mechanism distance of relative movement, as shown in Figure 4, be connected with between first link arm, 36, the second ends 35 and second spire 32 between described first end 34 and first spire 31 and be connected with second link arm 37.

Further, in order to make the suffered stress of spring structure even, described first link arm and second link arm have one of at least the segmental arc part.Among spring structure second embodiment as shown in Figure 4, first link arm 36 comprises straightway 361, segmental arc 362, the straightway 363 that connects successively, and in the time of this spring structure deformation, link arm also can be shared the stress of part, thereby increases the life-span of using.

Further, the spring integral body that is formed in one of the spring structure 3 shown in each spring structure embodiment of Fig. 3 to 7.

Further, spring structure 3 as shown in Figs. 5 to 7, and wherein the first spire center and the second spire center overlap substantially, and first spire and second spire have common center.Described first spire and second spiral can link together at common center 33 places, as shown in Figure 5 and Figure 6; Also can near common center 33, link together, as shown in Figure 7.Preferably as shown in Figure 5, described first spire and second spire link together at common center 33 places.

When Fig. 8 slided for the utility model forward, sliding mechanism was in the closed state perspective view.Among the figure, the two ends of spring 3 are separately fixed on the upper sliding plate 20, lower slider plate 10 of sliding mechanism by rivet 21,11.Spring structure 3 is in the mild compression state, guarantees that upper and lower slide plate keeps stable state of rest at initial position.Be in this state, need the external world to apply an active force, could realize sliding function to upper slide.

When Fig. 9 slided for the utility model forward, sliding mechanism slided to the plan view in stroke neutral position.In this position, the amount of deformation maximum of spring module.Behind upper sliding plate 20 these positions of process, because the active force of spring structure 3, upper sliding plate will continue to front slide, and realize sliding automatically.

When Figure 10 slided for the utility model forward, sliding mechanism slided to the plan view of full open position.Sliding mechanism remains static during this position, and spring structure 3 is in the mild compression state by being compressed to fully of neutral position, and this moment, upper and lower slide plate kept relative stability.

As shown in figure 11, be connected with two spring structures 3 between the

plate

20,10 sliding up and down, make it have sliding feel preferably by connecting symmetrically, and the stress that is subjected to when sharing sliding by two spring structures, the stability of entire mechanism has also improved when sliding.

Below only be embodiment of the present utility model and embodiment; be not used for limiting protection domain of the present utility model, the every modification and equivalent variations thereof of being carried out under the utility model design of belonging to all should be regarded as within protection domain of the present utility model.

Claims

1, a kind of spring structure is characterized in that comprising,

Second spire, described second spire is connected with first spire, forms second end by twining out around the center of second spire, along the circumference of first spire, makes the diameter of second spire increase gradually.

2, spring structure according to claim 1 is characterized in that described first spire twines a circle at least, and second spire twines a circle at least.

3, spring structure according to claim 1 is characterized in that described spring structure integral body is positioned at same plane.

4, spring structure according to claim 1, it is characterized in that described first end also comprises first link arm, described first link arm connects first spire and first end, and described second end also comprises second link arm, and described second link arm connects second spire and second end.

5, a kind of spring structure according to claim 4 is characterized in that described first link arm, second link arm have one of at least the segmental arc part.

6, spring structure according to claim 1 is characterized in that the spring integral body that described spring structure is formed in one.

7,, it is characterized in that described first spire and second spire have common center according to each described spring structure of claim 1.

8,, it is characterized in that described first spire is connected at the common center place with second spire according to each described spring structure of claim 7.

9, a kind of sliding mechanism is used for portable electric appts, it is characterized in that comprising,

Upper sliding plate and lower slider plate, and connect upper sliding plate and lower slider plate and the spring structure of slip driving force is provided, described spring structure is each described spring structure of claim 1 to 8.

10, a kind of portable electric appts is characterized in that comprising, last slide mass and downslide kinetoplast, and connect the spring structure of going up slide mass and downslide kinetoplast and the slip driving force being provided, described spring structure is each described spring structure of claim 1 to 8.