CN2597641Y

CN2597641Y - Disc spring hinge

Info

Publication number: CN2597641Y
Application number: CNU022938478U
Authority: CN
Inventors: 蔡权秉
Original assignee: QINGDAO PYUNGKANG ELECTRONICS CO Ltd
Current assignee: QINGDAO PYUNGKANG ELECTRONICS CO Ltd
Priority date: 2002-12-31
Filing date: 2002-12-31
Publication date: 2004-01-07
Anticipated expiration: 2012-12-31

Abstract

The utility model relates to a disc spring gemel which comprises a spacer gasket, a disc spring sheet and a control gasket assembled on the hinge shaft through a central hole. At least a side surface or two side surfaces among the side surfaces between the spacer gasket and the control gasket are provided with ditch traces for coating the lubricant. The lubricant is filled among the surfaces of the spacer gasket and the control gasket in the ditch traces, which evidently reduces the noise and abrasion caused by friction and ensures the space between the rotating components and the stable and flexible working performance. The disc spring gemel can freely open the cover of the monitor to a certain angle and maintain the angle when the disc spring gemel is arranged on the notebook computer. The utility model has the advantages of convenient operation, no noise and long service life.

Description

Disc spring hinge

(1) technical field

The utility model relates to the improvement of the hardware technology relevant with electronic industry, specifically is a kind of Disc spring hinge, and it belongs to the five metals equipment technical field.

(2) background technology

Along with the development of electronic industry technology, portable notebook computer, mobile phone, palm PC, videophone are from going out endless.These products generally all are made up of body and lid (LCDs), and cover combination is that closure or openness are rotated at the center with hinge (loose-leaf) on body.When using notebook computer, often be opened to lid behind the certain angle and keep this angle and use it, the hinge (loose-leaf) that be installed on the lid this moment should possess the locking function of keeping this angle.Usually such hinge is to realize keeping certain angle with the frictional force that increases between parts, and the device that gives this frictional force generally is a spring.A kind of disk spring pad hinge is arranged, and it is by Support bracket, rotating shaft and be assembled in the spacing washer in the rotating shaft, dish-shaped reed and control pad and form.This hinge have because of between the parts that constituted to rock behavior in service poor, be difficult to again between the spacing washer that is in contact with one another, dish-shaped reed and control gasket part, be coated with lubrication oil, and produce the bigger noise and the drawback of wearing and tearing by friction.

(3) technology contents

The purpose of this utility model be to overcome above-mentioned hinge drawback, a kind of novel Disc spring hinge is provided.This hinge is being guaranteed under the prerequisite of the demand of turning round, and to alleviate noise and wearing and tearing, improves flexible behavior in service quality.

Task of the present utility model is finished by following technical scheme, has developed a kind of Disc spring hinge, and it comprises that the centre bore by perforation is assembled in the spacing washer on the hinge, dish-shaped reed and control pad.In the side surface that above-mentioned spacing washer and control pad are in contact with one another, have at least a side surface or both side surface to be provided with and be coated with the groove mark that shop lubrication oil is used.

Described dish-shaped reed, its be assembled in concave surface on the hinge form at least by the calendering mode more than one, from the reinforcement elastic groove of its centre bore radial direction radiation towards periphery.

Described being coated with spread the groove mark that lubrication oil is used, its shape or undulate, or be radiation radius shape, or be circular concentric, or be by attacking a vital point that concentric circles is arranged.

The centre bore of described perforation, its shape or be circular, or be the string arc, or be quadrangle, or be hexagon.

Advantage of the present utility model is: owing in the side surface that above-mentioned spacing washer and control pad are in contact with one another, have at least a side surface or both side surface to be provided with and be coated with the groove mark that shop lubrication oil is used.When assembling during this hinge, earlier between the side surface that all spacing washers and control pad are in contact with one another and the inner packing lubrication oil of groove mark, assembled formation again.Can reduce noise and the wearing and tearing that cause because of friction significantly like this, space between the parts of guaranteeing to rotate mutually and the stable service behaviour nimbly and freely that is connected.Since dish-shaped reed be assembled in concave surface on the hinge be form at least by the calendering mode more than one, from the reinforcement elastic groove of its centre bore radial direction radiation towards periphery.The softness that this groove plays a part to improve, strengthen the elasticity of spring leaf form and increases reed makes reed have durability, thereby prolongs the application life of integral hinge.Again because the control pad that is provided with is being close to dish-shaped reed, therefore, dish reed and control pad not only play a supportive role to this hinge, and when fastening nut etc., can guarantee connection stability between parts because of reed, also play a part to prevent with whirling vibration producing the nut loosening phenomenon.Because the dish-shaped reed in this hinge is assembled on the hinge, it can apply spring force to compressed opposite direction, so should produce certain torque just can for rotation by the dish reed.This torque plays a part the lid (target object) of opening certain angle is kept its state of fixing.

(4) accompanying drawing and embodiment

Embodiment accompanying drawings of the present utility model is as follows;

The spacing washer side surface figure of this Disc spring hinge of Fig. 1.

The control pad side surface figure of this Disc spring hinge of Fig. 2.

The recessed side surface figure of the dish-shaped reed of this Disc spring hinge of Fig. 3.

The dish-shaped reed front section view of this Disc spring hinge of Fig. 4.

The embodiment assembling assumption diagram of this Disc spring hinge of Fig. 5.

The control pad center of deformation hole side surface figure of this Disc spring hinge of Fig. 6.

The recessed side surface figure in dish-shaped reed center of deformation hole of this Disc spring hinge of Fig. 7.

Referring to a kind of Disc spring hinge that Fig. 1-5 makes, it comprises that the centre bore 14,20,18 by perforation is assembled in spacing washer 13, the dish-shaped reed 17 on the hinge 130 and controls pad 19.In the side surface that above-mentioned spacing washer 13 and control pad 19 are in contact with one another, have at least a side surface or both side surface to be provided with and be coated with the groove mark 26,27 that shop lubrication oil is used.

Described dish-shaped reed 17, its be assembled in concave surface on the hinge 130 form at least by the calendering mode more than one, from the reinforcement elastic groove of its centre bore 18 radial direction radiation towards periphery.

Described being coated with spread the groove mark 26,27 that lubrication oil is used, its shape or undulate, or be radiation radius shape, or be circular concentric, or be by attacking a vital point that concentric circles is arranged.

The centre bore 14,20,18 of described perforation, its shape or be circular, or be the string arc, or be quadrangle, or be hexagon.

An embodiment package assembly of this Disc spring hinge as shown in Figure 5, it is by first Support bracket 110, second Support bracket 120, hinge 130 and be assembled at least more than one spacing washer 13 on this hinge 130, at least more than one dish-shaped reed 17, control pad 19 is formed with the nut 170 that is connected and fixed usefulness.Wherein between first Support bracket 110 and second Support bracket 120,2 spacing washers 13 are set, 2 spacing washers 13 are set between first Support bracket 110 and dish-shaped reed 17.In order to make between first Support bracket 110 and second Support bracket 120 running slick and sly, setting corrugated groove mark as shown in Figure 1 on the surface of the above generation friction of the one side at least of these spacing washers 13 is in order to filling lubrication oil.It is for resilient support being provided for first Support bracket 110 and second Support bracket 120 that dish-shaped reed 17 is set on the hinge 130 at first Support bracket, 110 rears.Promptly the dish-shaped reed 17 that is provided with on hinge 130 has the shape that central part outwards protrudes, and this convex surface contacts with the frame plate 112 of first Support bracket 110 by 2 spacing washers 13 and provides resilient support by 13 pairs second Support brackets 120 of other 2 spacing washers.Supported by this, second Support bracket 120 be not subjected under the external force situation, is close on first Support bracket 110 by elastic force, so second Support bracket 120 can be kept its previous status.The dish-shaped reed 17 that is provided with on hinge 130 is because its convex surface is outside, its concave surface be form at least by the calendering mode more than one, from the reinforcement elastic groove of its centre bore radial direction radiation towards periphery.As shown in Figure 5, form relatively, can suitably increase and decrease its quantity according to circumstances for adjusting torque by 17 one-tenth bi-concaves of 4 dish-shaped reeds.

When example structure is as shown in Figure 5 assembled, pass through the axis hole 112a of first Support bracket 110 and second Support bracket 120 earlier, 122a penetrates hinge 130, make first Support bracket 110 and second Support bracket 120 can keep relative motion, on hinge 130, penetrate spacing washer 13, dish-shaped reed 17, control pad 19 then, at last at the hinge 130 ends nut 170 of screwing on by the order among Fig. 5.When opening the display that is connected on second Support bracket 120 and maybe will adjust the open angle of display, second Support bracket 120 is against the rotation of the elastic force of dish-shaped reed 17, at this moment if remove external force, dish reed 17 will produce by spring force, and second Support bracket 120 is being kept on the state after being adjusted.

As Fig. 6, the centre bore 18,20 of the perforation of dish-shaped reed 17 shown in 7 and control pad 19 can be the string arc, after then the external surface of hinge 130 being whittled into centre bore 18,20 coupling with the string arc, and penetrate in this centre bore 18,20, promptly constitute this Disc spring hinge of distortion.When

first Support bracket

110 and 120 relative motions of second Support bracket, hinge 130 can be controlled at the swing of dish-shaped reed 17 and control pad 19 on the minimum degree, thereby releasing causes shorten the application life of dish-shaped reed because of dish-shaped reed 17 dislocation or the generation of hinge running wild effect.

Claims

1, a kind of Disc spring hinge, it comprises that the centre bore by perforation is assembled in the spacing washer on the hinge, dish-shaped reed and control pad, it is characterized in that: in the side surface that above-mentioned spacing washer and control pad are in contact with one another, have at least a side surface or both side surface to be provided with and be coated with the groove mark that shop lubrication oil is used.

2, according to the described Disc spring hinge of claim 1, it is characterized in that: described dish-shaped reed, its be assembled in concave surface on the hinge form at least by the calendering mode more than one, from the reinforcement elastic groove of its centre bore radial direction radiation towards periphery.

3, according to the described Disc spring hinge of claim 1, it is characterized in that: described being coated with spread the groove mark that lubrication oil is used, its shape or undulate, or be radiation radius shape, or be circular concentric, or be by attacking a vital point that concentric circles is arranged.

4, according to the described Disc spring hinge of claim 1, it is characterized in that: the centre bore of described perforation, its shape or be circular, or be the string arc, or be quadrangle, or be hexagon.