CN201531520U

CN201531520U - Pivot device

Info

Publication number: CN201531520U
Application number: CN200920168608XU
Authority: CN
Inventors: 许家豪; 林本坤
Original assignee: Shin Zu Shing Co Ltd
Current assignee: Shin Zu Shing Co Ltd
Priority date: 2009-07-27
Filing date: 2009-07-27
Publication date: 2010-07-21
Anticipated expiration: 2019-07-27

Abstract

The utility model discloses a pivot device, which can be arranged on a display device for supporting the display device for viewing by users. In a preferable embodiment, the pivot device is provided with a sleeve for wrapping important elements of the pivot device, so as to prevent foreign objects from influencing the operation of the pivot device. In addition, the pivot device is provided with a first supporting part and a second supporting part which are used for supporting a pivot of the pivot device, so that the pivot device can perform favorable and stable pivoting even if applied on large-sized electronic devices.

Description

Pivot device

Technical field

The utility model is a kind of pivot device, refers in particular to a kind of pivot device that is installed in a display unit, looks for user's sight in order to support this display unit.

Background technique

Common cover-lifting type electronic device, for example mobile computer, mobile phone etc., generally between loam cake and base, be provided with pivot device, with so that loam cake be able to open and close with respect to base pivots, the pivot device of prior art includes pivot and a plurality of pads, pivot runs through each pad and with respect to rotating between each pad, by the friction between pivot and pad, provides the friction that makes the loam cake stagnation be positioned required visual angle to stagnate power.

Yet after through long-time the use, existing pivot device has following shortcoming:

1), be arranged on the pivot each pad may long term exposure outside, and easily have impurity to be stuck on the pad, or between the pad, influence the normal operation of pivot device.

2), when pivot device is applied in relatively large electronic equipment, for example pivot device is used separately when a screen display device, because this screen display device may make pivot device can't produce good stable and pivot too in heavy; When rotating, screen is as easy as rolling off a log to be rocked.

Therefore, the pivot device of prior art still has its defective in the use.

The model utility content

Because the shortcoming of aforesaid prior art, the pivot device of the utility model improvement prior art, therefore:

A purpose of the present utility model is to provide a kind of pivot device, and it coats important pivot element, is stuck on this pivot device to avoid external substance.

The utility model purpose again is to provide a kind of pivot device, and it still can be applicable on the bigger electronic equipment, and good, stable pivot effect still can be provided.

For reaching above-mentioned model utility purpose, the technological means that the utility model adopted comprises:

One pivot;

One rotation bolster interfixes with this pivot, and this rotation bolster can interfix with a display unit;

One supports bolster, is a sleeve, rotatably is sheathed on this pivot, and this support bolster can be placed on the desktop, to support this display unit;

One first supporting element is fixed in an end of this sleeve, and is articulated on this pivot, and this supporting element has one first positioning part;

One cam is not located on this pivot pivotly and is contained in this sleeve, and this cam is to having one second positioning part in first positioning part;

One elastic component is contained in this sleeve, and is sheathed on this pivot; And

One urgent, be located on this pivot, with urgent said elements.

The preferably, this pivot device also comprises one second supporting element, with two ends of stable this pivot of support, even make this pivot device be applied in large-scale electronic equipment; When pivoted, this pivot device still can provide good, stable pivot effect.

Another advantage of the present utility model is, supports bolster and is provided with a sleeve, and elements such as this cam, elastic component and urgent all are located in this sleeve, thus can protect these elements, and foreign matter can not interfered the running of this pivot device.

Description of drawings

Fig. 1 is the utility model first embodiment's a stereo appearance figure;

Fig. 2 is the utility model first embodiment's an element enlargement decomposition;

Fig. 3 is another visual angle element enlargement decomposition of the utility model first embodiment;

Fig. 4 A is the utility model first embodiment's a pivot location schematic representation;

Fig. 4 B is the utility model first embodiment's a pivot rotation schematic representation;

Fig. 5 is located at the schematic representation of an electronic equipment for pivot device of the present utility model.

[primary component symbol description]

Pivot device (1)

Pivot (10)

Bizet (11)

Joint (12)

Slide part (13)

The non-circular body of rod (14)

Rotation bolster (20)

Perforation (21)

Support bolster (30)

Sleeve (31)

Draw-in groove (32)

First supporting element (40)

A plurality of fixture blocks (41)

Pivoted hole (42)

First positioning part (43)

Second supporting element (46)

Annulus (47)

Cam (50)

Non-circular hole (51)

Card prominent (52)

Second positioning part (53)

Elastic component (60)

Urgent (70)

Bloop (80)

Non-circular hole (81)

Short slot (82)

Electronic equipment (9)

Desktop (91)

Screen (92)

Embodiment

Below cooperate preferred embodiment graphic and of the present utility model, further setting forth the utility model is to reach the technological means that predetermined model utility purpose is taked.

See also Fig. 1 to shown in Figure 5, pivot device 1 of the present utility model mainly is a screen 92 that is used to support a display unit 9, makes screen 92 do stable pivot with respect to a desktop 91.This pivot device 1 consists predominantly of a pivot 10, a rotation bolster 20, and supports bolster 30, one first supporting element 40, one second supporting element 46, a cam 50, an elastic component 60 and one urgent 70.

Pivot 10 has a bizet 11, and these bizet 12 1 ends extend a junction 12, and bizet 12 the other ends extend a slide part 13 and a non-circular body of rod 14.

This rotation bolster 20 interfixes with this joint 12, and this rotation bolster 20 is provided with a plurality of perforation 21, will rotate on the screen 92 that bolster 20 is fixed in display unit 9 to utilize a screw or fellow.

This support bolster 30 can be placed on the desktop 91, with a screen 92 of stable support electronic equipment 9, makes screen 92 do pivot with respect to desktop 91.This support bolster 30 is preferably and is a U type, and U type two ends are respectively equipped with a sleeve 31.Support the pivot device structure unanimity of bolster 30 2 ends, so only cooperate Fig. 2 to elaborate with a side at this.It rotatably is sheathed on this sleeve 31 on this pivot 10.Sleeve 31 1 ends are provided with a plurality of draw-in grooves 32.

This first supporting element 40 is provided with a plurality of fixture blocks 41 of more than 31 draw-in groove 32 of a plurality of corresponding sleeves, and these a plurality of fixture blocks 41 snap in these a plurality of draw-in grooves 32, so that this first supporting element 40 is fixed in an end of this sleeve 31.

These first supporting element, 40 centers are provided with a pivoted hole 42, this first supporting element 40 can be articulated by this body of rod 14 wear.The aperture of these first supporting element, 40 pivoted holes 42 is slightly larger than the diameter of the body of rod 14 maximums, and this body of rod 14 can be supported by this first supporting element 40, and produces minimum friction each other.In addition, this first supporting element 40 also is provided with one first positioning part 43.This first positioning part 43 can be a recess or protuberance.

This cam 50 has a non-circular hole 51 that cooperates the body of rod 14, makes cam 50 not be located on this pivot 10 pivotly and be contained in this sleeve 31.One side of this cam 50 is provided with relative card prominent 52; And can be a recess or protuberance to should first positioning part 43 having 53, the second positioning parts 53, one second positioning part on the another side of cam 50.This second positioning part 53 optionally is positioned (shown in Fig. 4 A and Fig. 4 B) on this first positioning part 43.And, make this pivot device produce needed torsion when rotated by this first positioning part 43 and second positioning part 53 are set.Ripe in those skilled in the art scholar according to actual required torsion, can change the slope variation of groove or protuberance easily.Or very cause evolution, shape, size between these bulge/recess and be all and ripely can finish easily in those skilled in the art scholar.

One bloop 80 has a non-circular hole 81 that cooperates the body of rod 14 to form, and is not located at pivotly on this body of rod 14 for this bloop 80, and interfixes with this cam 50.This bloop 80 is provided with the short slot 82 corresponding to this card prominent 52, and bloop 80 can firmly be fixed on this cam 50.

And in the process of making this pivot device, cam 50 is generally taked the metallic dust ejection formation, and (the product advantage of metallic dust ejection formation is the hardness height for Metal Injection Molding, mode MIM), so abrasion performance, but shortcoming is that precision is wayward.Therefore, the non-circular hole 51 of cam 50 may be when being shaped, and the aperture is excessive or too small.If the aperture is too small, then can't be worn by this body of rod 14, then this cam 50 is a defective products, must abandon.So increased manufacture cost.If the aperture is excessive, then produce excessive gap with the body of rod 14, then pivot device is in rotating process, and non-circular hole 51 and this body of rod 14 of cam 50 constantly collide, and produce different sound.

For addressing this problem, this bloop 80 is to use and is stamped to form, so the non-circular hole 81 of bloop 80 has higher precision, and can with these body of rod 14 firm cooperating.Firmly be fixed on the cam 50 by bloop 80 again,, also can not collide mutually, and use the generation of eliminating different sound with the body of rod 14 even the aperture of cam 50 is excessive.

In the utility model, also be provided with one second supporting element 46, but its fixed card is held on the other end of sleeve 31.These second supporting element, 46 centers have a pivoted hole, wear for pivot 10.This second supporting element 46 is articulated on the slide part 13 of this pivot 10, and against this bizet 11.This second supporting element 46 has an annulus 47.The other end of these annulus 47 1 sides and this sleeve 31 offsets, and opposite side and this bizet 11 offset.This second supporting element 46 not only is articulated in slide part 13, also supports this slide part 13 in the lump, makes whole pivot 10 when rotated, is supported by this first supporting element 40 and second supporting element, 46 front and back, and good rotation is arranged.

This elastic component 60 is contained in this sleeve 31, and is sheathed on this pivot 10, oppressing this cam 50 constantly towards this first supporting element 40, and produces needed torsion by this.

This urgent 70 can be a nut, then is located on these pivot 10 ends, with urgent said elements.

Please cooperate and consult shown in Figure 5ly, pivot device of the present utility model can be applicable to an electronic equipment 9, for example on the screen 92.Wherein rotate bolster 20 and interfix, support bolster 30 and can be placed on a desktop 91 to support this screen with screen 92.

When screen 92 rotated with respect to desktop 91, screen 92 driven rotary bolsters 20, pivot 10 and cam 50 rotated with respect to supporting bolster 30.In rotating process, first supporting element 40 and second supporting element 46 are separately fixed at two ends of sleeve 31, front and back two ends with supporting pivot 10, make the pivot 10 can be at this two supporting element (40,46) pivot smoothly between, when therefore even this pivot device is applied in relatively large screen, still can provide good stable to rotate, screen can not rocked.In addition, second positioning part 53 of cam 50 optionally forms friction and location with first positioning part 43 of first supporting element 40, and to reach needed torsion, screen 92 can firmly be located with a predetermined angle with respect to this desktop 91.

The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, have in the technical field under any and know the knowledgeable usually, in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. a pivot device is characterized in that, comprising:

One pivot;

One rotation bolster interfixes with this pivot;

One supports bolster, is provided with at least one sleeve, rotatably is sheathed on this pivot;

One urgent, be located on this pivot, with urgent said elements.

2. pivot device according to claim 1 is characterized in that, this pivot has a body of rod, a bizet and a slide part.

3. pivot device according to claim 2 is characterized in that, this pivot device more comprises one second supporting element, and this second supporting element is articulated on this pivot and against this bizet.

4. pivot device according to claim 3 is characterized in that, this second supporting element is articulated on this slide part, to support this pivot.

5. pivot device according to claim 1 is characterized in that, first positioning part of this first supporting element is a recess.

6. pivot device according to claim 5 is characterized in that, a side of this cam is located in second positioning part of this cam, and this second positioning part is at least one protuberance, and to a wherein recess that should first positioning part.

7. pivot device according to claim 1 is characterized in that this pivot device more comprises a bloop, interfixes with this cam.

8. pivot device according to claim 1 is characterized in that, this support bolster is the U type, and these support bolster two ends are respectively equipped with a sleeve, and each sleeve is provided with components identical.