CN201277249Y

CN201277249Y - Pivotal device

Info

Publication number: CN201277249Y
Application number: CNU200820134203XU
Authority: CN
Inventors: 杨宗镇; 简柏元
Original assignee: EJOYTECH Inc
Current assignee: EJOYTECH Inc
Priority date: 2008-09-08
Filing date: 2008-09-08
Publication date: 2009-07-22
Anticipated expiration: 2018-09-08

Abstract

The utility model discloses a pivot device, which comprises a rotor plate, a positioning mechanism, an elastic component, a support ring and a pivot shaft, wherein the rotary plate is projected with an extendible arm, the positioning mechanism is arranged on one side of the extendible arm, which comprises a dead plate and a spacing ring which is corresponding to the dead plate, wherein the spacing ring can do multiple-segment type rotation clamping and position relative to the dead plate, an elastic component is elastically clamped between the extendible arm and the spacing ring, the support ring is sleeved and fixed outside the spacing ring and the elastic component, the pivot shaft penetrates through the positioning mechanism and the elastic component in turn, and is fixedly connected with the extendible arm, the support ring can provide enough anchorage force, the pivot shaft can be prevented from warping or deforming, thereby improving the production yield rate of the pivot device.

Description

Pivot device

Technical field

The utility model relates to a kind of pivot device, relates in particular to a kind of pivot device that comprises a support ring.

Background technique

The separated type electronic equipment of loam cake and body is luxuriant at present to be agitation owing to have, so the pivot device structure has been widely used on the various electronic product, wherein, one of existing pivot device production method is to utilize the technology of riveted joint to make pivot device.

Existing pivot device generally includes a fixed plate, a rotor plate, an elastic component and a pivot, wherein, this rotor plate is arranged at a side of this fixed plate, and elastic component is pulled between fixed plate and rotor plate by folder, pivot then passes rotor plate, elastic component and fixed plate in regular turn and rivets mutually with fixed plate so that rotor plate can be relatively this fixed plate rotation and multi-section type fix the location.

Yet, the existing pivot device structure of this kind still has following problem points on making: the existing pivot device that utilizes riveting process to make, its production method is earlier with rotor plate, elastic component and fixed plate location, again pivot is utilized oil pressure or other mode to be pressed into, make pivot pass above-mentioned three assemblies, the end face with pivot flattens so that pivot and the riveted joint of this fixed plate again; Yet in the process that pivot is pressed into,, produce phenomenon crooked or distortion in the pivot process of press in, reduce the product yield making because the elastic component outside there is no any assembly and supports; In addition, the position of this pivot device rotation will coating lubricating oil to reduce friction because elastic component exposes, lubricant oil will be revealed easily, cause rotor plate and fixed plate stuck at last.

Summary of the invention

A purpose of the present utility model is to provide a kind of pivot device, can provide enough support forces by support ring, can avoid the crooked or distortion of pivot, and improves the production yield of this pivot device.

To achieve the above object, the utility model is to provide a kind of pivot device, comprise a rotor plate, one location mechanism, one elastic component, one support ring and a pivot, wherein, this rotor plate has protruded out an adjutage, this positioning means is arranged at a side of this adjutage, this positioning means comprises a fixed plate and to a limited ring that should fixed plate, this limited ring this fixed plate is relatively made multi-section type revotating card fixed position, this elastic component is pulled between this adjutage and this limited ring by elastic clip, sheathed this limited ring and this elastic component outside be fixed in of this support ring, this pivot passes this positioning means and this elastic component in regular turn, and is fixed in this adjutage.

Another purpose of the utility model is to provide a kind of pivot device, can prevent that by support ring the lubricant oil of filling in pivot device from leaking outside, and can avoid pivot device to produce stuck phenomenon, prolongs the working life of this pivot device.

Beneficial functional of the present utility model is, the pivot device that the utility model provides can provide enough support forces by support ring, can avoid the crooked or distortion of pivot, improves the production yield of pivot device, and can prevent that the lubricant oil of filling in pivot device from leaking outside.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is a stereo appearance figure of the present utility model;

Fig. 3 is the sectional view of Fig. 2 along the 3-3 hatching;

Fig. 4 is the sectional view of Fig. 3 along the 4-4 hatching;

Fig. 5 is applied to the stereo appearance figure of cover-lifting type electronic device for the utility model;

Fig. 6 makes cardon for Fig. 3 along analysing and observe of 4-4 hatching;

Fig. 7 makes cardon for the solid that the utility model is applied to cover-lifting type electronic device;

Fig. 8 is another embodiment's of the utility model a three-dimensional exploded view.

Wherein, reference character

1 pivot device

10 rotor plates

11 adjutages

111 positioning holes, 112 first spacing planes

20 positioning meanss

21 fixed plates

211 grooves, 212 receiving holes

22 limited rings

221 projections, 222 fixed holes

223 perforation, 224 second spacing planes

23 balls

30 elastic components

31 shell fragments

40 pivots

41 drive the plane

50 support rings

60 electronic equipments

61 loam cakes, 62 bodies

Embodiment

Relevant detailed description of the present utility model and technology contents, conjunction with figs. is described as follows, however appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

See also Fig. 1 to Fig. 3, be respectively three-dimensional exploded view of the present utility model, stereo appearance figure and Fig. 2 along 3-3 hatching sectional view, the utility model provides a kind of pivot device 1, comprises a rotor plate 10, a location mechanism 20, an elastic component 30, a pivot 40 and a support ring 50, wherein:

Rotor plate 10 has protruded out an adjutage 11; Positioning means 20 is arranged at a side of adjutage 11, and positioning means 20 comprises a limited ring 22 of a fixed plate 21 and corresponding fixed plate 21, and limited ring 22 this fixed plate 21 is relatively made multi-section type revotating card fixed position; In the present embodiment, fixed plate 21 forms a plurality of grooves 211, limited ring 22 forms a projection 221 that optionally fixes the location with these grooves 211, but present embodiment fixed plate 21 relative limit rings 22 are made the rotation positioning of 180 degree, but does not exceed with this kenel.

Elastic component 30 is pulled between adjutage 11 and limited ring 22 by elastic clip; In the present embodiment, elastic component 30 comprises the shell fragment 31 of a plurality of mutual butts, and the end face of these shell fragments 31 is skewed, so that can produce support force during the mutual butt of these shell fragments 31, and the effect of shell fragment 31 is to make limited ring 22 to press fixed plate 21.

When the user pulls fixed plate 21, projection 221 leave groove 211 and with fixed plate 21 butts, limited ring 22 is drawn close to the direction of elastic component 30, shell fragment 31 then pressurized supports; When fixed plate 21 rotated to needed angle, groove 211 was chimeric once more with 221 of projections, and limited ring 22 is then drawn close to the direction of

fixed plate

21, and 31 on shell fragment discharges elastic force and continues limited ring 22 is pressed fixed plate 21.

50 sheathed limited ring 22 and elastic component 30 outsides be fixed in of support ring; 40 on pivot passes positioning means 20 and elastic component 30 in regular turn, and is fixed in adjutage 11; In the present embodiment, pivot 40 and rotor plate 10 riveted joints.

Further specify, adjutage 11 offers a positioning hole 111, and limited ring 22 is formed with a perforation 223, and the shape of the positioning hole 111 and the corresponding pivot 40 of 223 shape of boring a hole is so that rotor plate 10, pivot 40 and limited ring 22 mutual interlocks; And positioning hole 111 is formed with one first spacing plane 112, and perforation 223 is formed with one second spacing plane 224, and pivot 40 forms 112, the

second spacing planes

224,41, the first spacing planes, a driving plane and fixes with driving plane 41 mutual clips.

After pivot 40 passed positioning hole 111, one end then was driven plain and rivets mutually with adjutage 11; And when pivot 40 passed the process of said modules, support ring 50 was arranged at limited ring 22 and elastic component 30 outsides with the power of providing support, and made pivot 40 when riveted joint, can not produce phenomenon crooked or distortion, improved the product yield.

In addition, comparatively smooth and easy when pivot device 1 is rotated, can fill in lubricant oil (figure does not show) usually in pivot device 1 inside, and support ring 50 also has the function that prevents that lubricant oil from leaking, can prevent that lubricant oil from leaking and cause pivot device 1 to produce stuck phenomenon; Can effectively prolong the working life of pivot device 1.

Please refer to Fig. 4 to Fig. 7, be respectively the sectional view of Fig. 3 along the 4-4 hatching, the utility model is applied to the stereo appearance figure of cover-lifting type electronic device, Fig. 3 makes the solid that cardon and the utility model be applied to cover-lifting type electronic device along analysing and observe of 4-4 hatching and makes cardon, pivot device 1 can be applicable to have the portable electronic equipment 60 of a loam cake 61 and a body 62, in the present embodiment, loam cake 61 is connected with rotor plate 10, and body 62 is connected with fixed plate 21, make loam cake 61 rotation positioning of body 62 works 180 degree relatively, but do not exceed with this kenel, this pivot device 1 also can be made into and can carry out multi-section type (more than two sections) and fasten bit architecture.

Please refer to Fig. 8, three-dimensional exploded view for another embodiment of the utility model, in the present embodiment, positioning means 20 also comprises a plurality of balls 23 that are arranged between fixed plate 21 and the limited ring 22, fixed plate 21 offers a plurality of receiving holes 212, the receiving hole 212 of present embodiment and the number of ball 23 are two, but make limited ring 22 relative fixed plates 21 make the two-part rotation positioning, but do not exceed with this kenel.

Ball 23 is placed in these receiving holes 212, and limited ring 22 offers a fixed hole 222 of corresponding these balls 23; And fixed hole 222 optionally supplies the ccontaining location of one of these balls 23; This kind structure also can reach the function of fixed plate 21 and limited ring 22 mutual rotation positioning; The end face of the shell fragment 31 in the present embodiment is wavy.

And the support ring 50 in the present embodiment also can reach and prevents the crooked or distortion of pivot 40 and prevent the effect that lubricant oil leaks.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

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

One rotor plate has protruded out an adjutage;

One location mechanism is arranged at a side of this adjutage, and this positioning means comprises a fixed plate and to a limited ring that should fixed plate, this limited ring this fixed plate is relatively made multi-section type revotating card fixed position;

One elastic component, elastic clip are pulled between this adjutage and this limited ring;

One support ring, sheathed this limited ring and this elastic component outside be fixed in; And

One pivot passes this positioning means and this elastic component in regular turn, and is fixed in this adjutage.

2. according to the described pivot device of claim 1, it is characterized in that this fixed plate forms a plurality of grooves, this limited ring forms a projection that fixes the location with these grooves.

3. according to the described pivot device of claim 1, it is characterized in that this elastic component comprises a plurality of shell fragments of mutual butt.

4. according to the described pivot device of claim 3, it is characterized in that the end face of these shell fragments is skewed.

5. according to the described pivot device of claim 3, it is characterized in that the end face of these shell fragments is wavy.

6. according to the described pivot device of claim 1, it is characterized in that this positioning means also comprises a plurality of balls, this fixed plate offers a plurality of receiving holes that are installed with for these balls, and this limited ring offers the fixed hole for one of these balls ccontaining location.

7. according to the described pivot device of claim 1, it is characterized in that this adjutage offers a positioning hole, this limited ring is formed with a perforation, this positioning hole and shape that should perforation are to shape that should pivot, so that this rotor plate, this pivot and the mutual interlock of this limited ring.

8. according to the described pivot device of claim 7, it is characterized in that this positioning hole is formed with one first spacing plane, this perforation is formed with one second spacing plane, this pivot forms one and drives the plane, and this first spacing plane, this second spacing plane and this mutual clip in driving plane are fixed.

9. according to the described pivot device of claim 1, it is characterized in that this pivot is riveted in this positioning hole.