CN2886172Y

CN2886172Y - Pivot device structure

Info

Publication number: CN2886172Y
Application number: CN 200620002306
Authority: CN
Inventors: 丁冈明; 黄武祥
Original assignee: GUANGHE TECHNOLOGY Co Ltd
Current assignee: GUANGHE TECHNOLOGY Co Ltd
Priority date: 2006-01-26
Filing date: 2006-01-26
Publication date: 2007-04-04
Anticipated expiration: 2016-01-26

Abstract

A hub button device structure, comprising a socket axle and a cup joint canister, is arranged between a main unit and a cover body both positioned on an electronic installation. The socket axle is equipped with a fixed part and a immersion part which comprises a rod body connected with the fixed part and a sphere outwards extended and expanded from the rod body, the radial outer rim diameter of the sphere is larger than that of the rod body, and an opening dissecting groove is provided on the axle direction of the sphere and the rod body. But the cup joint canister is equipped with the fixed part and a canister body, a contain hole is formed in the inner part of the canister body and is used for insertion and connection of the immersion part of the socket axle, and the elastic clip of the sphere body is pulled among the inner walls of the contain hole. For that, the abrasive machining process of the hub button device can be omitted, thereby greatly reducing the manufacture cost, besides the oil quantity permeating into the contact area is increased, for enhancing the lubrication effect and prolonging the life time.

Description

The pivot structure

Technical field

The utility model provides a kind of pivot structure, the especially a kind of main frame of electronic equipment and pivot between the lid of being installed in.

Background technique

Progress along with Information technology and computer industry; electronic equipment with the lid of screen and main frame is quite a lot of; a feast for the eyes such as digital camera, liquid crystal display, mobile computer or hand held CD-ROM drive etc.; this type of electronic equipment is for making in operation and using convenient; regular meeting is provided with pivot between its lid and main frame, so that this lid can rotate with respect to main frame.Yet, along with everyone difference of use habit, provide make rotate between lid and main frame light along and lubricated sufficient pivot structure, for being engaged in the important topic that the stakeholder studied of this industry.

Known pivot structure, as shown in Figure 1, this pivot 1a mainly comprises peg graft axle 10a and socket tube 20a, wherein this grafting axle 10a has fixing part 11a and circular shaft 12a, and is being axially arranged with opening profile groove 13a.And this socket tube 20a has fixing part 21a and cylindrical shell 22a, is formed with receiving hole 23a in the inside center of this cylindrical shell 22a, and this receiving hole 23a inserts for the circular shaft 12a of the axle 10a that pegs graft and connects, and circular shaft 12a elastic clip is pulled between the inwall of receiving hole 23a.

Yet, above-mentioned known pivot structure, cooperating between axle 10a and the socket tube 20a is precision-fit owing to peg graft, therefore, in working process, must carry out abrasive machining, and after circular shaft 12a was carried out abrasive machining, its burr were formed on the upper and lower two side places of profile groove 13a to circular shaft 12a and receiving hole 23a, need once more these burr to be imposed the processing of secondary operations, thereby increase the processing cost in the processing procedure.In addition, when rotating, be face between this circular shaft 12a and receiving hole 23a and contact kenel, the initial rotary torsion of its rotation is big, can rotate and make the user cost bigger active force, and oil mass is difficult for infiltrating between the surface of contact of circular shaft 12a and receiving hole 23a, thereby causes using effort, insufficient lubrication and reduce its working life.

So, the design people puts in view of the above problems and is engaged in the sector experience for many years, and at the problem points that can improve, concentrates on studies and cooperates actual utilization, in line with excelsior spirit, propose a kind of reasonable in design and effectively improve the pivot structure of the problems referred to above point.

The model utility content

Main purpose of the present utility model, be to provide a kind of pivot structure, be installed between the main frame and lid of electronic equipment, comprise peg graft axle and socket tube, wherein this grafting axle has fixing part and protrudes out the portion of inserting of formation from fixing part one end, this portion of inserting comprises the body of rod that is connected in fixing part and from the stretch out spheroid of expansion of the body of rod, and the radially outer edge diameter of this spheroid is greater than the radially outer edge diameter of the body of rod, and is axially arranged with the opening profile groove at the spheroid and the body of rod.And this socket tube has fixing part and from the outward extending cylindrical shell of fixing part one end, is formed with receiving hole in the inside center of this cylindrical shell, and this receiving hole inserts for the portion of inserting of the axle of pegging graft and connects, and the spheroid elastic clip is pulled between the inwall of receiving hole.

The utility model can omit the abrasive machining processing procedure of pivot, thereby significantly cuts down finished cost; And can increase oil mass and infiltrate between the surface of contact of spheroid and receiving hole, to promote lubrication effect and to prolong its working life.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known pivot;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is do not pack into the as yet schematic representation of socket tube of the axle of pegging graft of the present utility model;

Fig. 4 is packed into the schematic representation of socket tube of the axle of pegging graft of the present utility model;

Fig. 5 is the sectional view along Fig. 4 center line 5-5;

Fig. 6 is the combination schematic representation that the utility model is applied to digital camera;

Fig. 7 is the combination schematic representation that the utility model is applied to mobile computer;

Fig. 8 is another embodiment's assembled sectional view of the present utility model.

The represented parts of reference character are as follows:

Pivot 1a

Axle 10a fixing part 11a pegs graft

Circular shaft

12a profile groove 13a

Socket tube

20a fixing part 21a

Cylindrical shell

22a receiving hole 23a

Pivot 1

Grafting axle 10 fixing parts 11

Locking hole 111 is inserted portion 12

The body of rod 121 spheroids 122

End face 123 is gone into oily fillet 124

Grab 125 profile grooves 13

Cylinder 14

Socket tube 20

Fixing part 21 locking holes 211

Cylindrical shell 22 receiving holes 23

Groove 24

Electronic equipment 4

Main frame 41 lids 42

Embodiment

Relevant feature of the present utility model and technology contents see also following detailed description and accompanying drawing, yet accompanying drawing only provides reference and explanation, is not to be used for the utility model is limited.

Consult shown in 2 figure, the utility model provides a kind of pivot structure, and pivot 1 mainly comprises peg graft axle 10, socket tube 20, wherein:

The axle 10 of pegging graft has fixing part 11 and protrudes out the portion of inserting 12 of formation from fixing part 11 1 ends, insert portion 12 and comprise the body of rod 121 that is connected in fixing part 11 and the spheroid 122 that stretches out and expand from the body of rod 121, the radially outer edge diameter of spheroid 122 is greater than the radially outer edge diameter of the body of rod 121, and is axially arranged with opening profile groove 13 at spheroid 122 and the body of rod 121.In addition, be provided with cylinder 14, to increase the socket stability of pegging graft between axle 10 and the socket tube 20 in the connecting part of the fixing part 11 and the body of rod 121.In addition, spheroid 122 is provided with two mutual parallel end faces 123 in the direction perpendicular to profile groove 13, to reduce the area of contact between spheroid 122 and the socket tube 20 and to be easy to spheroid 122 is inserted socket tube 20 windings.Moreover, respectively be provided with into oily fillet 124 in the connecting part of spheroid 122 with end face 123, being beneficial to lubricant oil can enter and sufficient lubrication from here.

Socket tube 20 has fixing part 21 and from the outward extending cylindrical shell 22 of fixing part 21 1 ends, is formed with receiving hole 23 in the inside center of cylindrical shell 22.Receiving hole 23 inner edge diameters equal in fact the to peg graft external profile diameter of cylinder 14 of axle 10, and its portion of inserting 12 for the axle 10 of pegging graft inserts and connects, and spheroid 122 elastic clip are pulled between the inwall of receiving hole 23.

Consult Fig. 3, Fig. 4 and shown in Figure 5, it is respectively the axle of pegging graft of the present utility model packed into the schematic representation of socket tube and along the sectional view of Fig. 4 center line 5-5 of the schematic representation of socket tube, the axle of pegging graft of not packing into as yet.During combination, the portion of inserting 12 of the axle 10 of pegging graft is forced to push in the receiving hole 23 of socket tube 20, inwall week disc by receiving hole 23 presses the outer edge surface of spheroid 122, and makes profile groove 13 front ends of the axle 10 of pegging graft produce inside resiliently deformable, so that spheroid 122 is pulled in receiving hole 23 by elastic clip.Contact kenels because contacting between the internal face of spheroid 122 and receiving hole 23 is two discontinuous lines, so the external profile diameter of spheroid 122 only processes in the turning mode and get final product, can significantly omit the abrasive machining of known technology; And by the setting of going into oily fillet 124, in rotation process, can oil mass be sent between the surface of contact of spheroid 122 and receiving hole 23 easily, thereby the lubrication effect of increase pivot 1, and prolong its working life.

See also Figure 6 and Figure 7, it is respectively the combination schematic representation that the utility model is applied to digital camera and mobile computer, and pivot 1 of the present utility model can be installed on digital camera, mobile computer, liquid crystal display, hand held CD-ROM drive or other the various electronic equipments.Electronic equipment 4 has main frame 41 and lid 42, screw can be penetrated the peg graft locking hole 111 of axle 10 and the locking hole 211 of socket tube 20 respectively, locks respectively on the main frame 41 and lid 42 of electronic equipment 4 again.When lid 42 is upwards started, the axle 10 of pegging graft rotates with respect to socket tube 20, because its area of contact to each other is little, so only need apply less initiation power, can gently lid 42 be started, and engage the location mutually by the fastening part (figure does not show) of 42 of main frame 41 and lids along ground.

See also shown in 8 figure, be another embodiment's of the utility model assembled sectional view.Wherein the body of rod 121 at the axle 10 of pegging graft is provided with grab 125 near on fixing part 11 1 sides, and the inwall of the receiving hole 23 of socket tube 20 then is provided with groove 24 near opening end.Groove 24, is obtained good butt joint effect, thereby can be prevented the break-off in the rotation process so that peg graft axle 10 when being connected in socket tube 20 corresponding to aforesaid grab 125 location fastenings, and can promote the smoothness when pivoting.

In sum, the utility model can omit the abrasive machining processing procedure of pivot, thereby significantly cut down finished cost by the pivot structure is improved; And can increase oil mass and infiltrate between the surface of contact of spheroid and receiving hole, to promote lubrication effect and to prolong its working life.

Yet, the above only is a preferred possible embodiments of the present utility model, be not so promptly limit to claim of the present utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are carried out changes, or directly or indirectly be used in other relevant technical field, all in like manner all be contained in the scope that the utility model contains.

Claims

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

The grafting axle, have fixing part and reach the portion of inserting that protrudes out formation from fixing part one end, the described portion of inserting comprises the body of rod that is connected in fixing part and the spheroid that stretches out and expand from the body of rod, the radially outer edge diameter of described spheroid is greater than the radially outer edge diameter of the body of rod, and is axially arranged with the opening profile groove at the spheroid and the body of rod; And

Socket tube has fixing part and from the outward extending cylindrical shell of fixing part one end, is formed with receiving hole in the inside of described cylindrical shell, and described receiving hole connects for the portion's of inserting insertion of the axle of pegging graft, and the spheroid elastic clip is pulled between the inwall of receiving hole.

2. pivot structure as claimed in claim 1 is characterized in that, described grafting axle is provided with cylinder in the connecting part of the fixing part and the body of rod, and the external profile diameter of described cylinder equals the receiving hole inner edge diameter of socket tube in fact.

3. pivot structure as claimed in claim 1 is characterized in that, described spheroid of pegging graft axle is provided with two mutual parallel end faces in the direction perpendicular to profile groove.

4. pivot structure as claimed in claim 3 is characterized in that the connecting part of described spheroid and end face respectively is provided with into oily fillet.

5. pivot structure as claimed in claim 1 is characterized in that, the described body of rod one side of pegging graft axle is provided with grab, and the receiving hole inwall of described socket tube is provided with groove, and described groove fastens corresponding to the grab location.