CN202140417U

CN202140417U - Hinge structure capable of automatically and slowly opening or closing

Info

Publication number: CN202140417U
Application number: CN201120012909U
Authority: CN
Inventors: 苏丁鸿
Original assignee: KUNSHAN WANHE PRECISE INDUSTRY Co Ltd
Current assignee: KUNSHAN WANHE PRECISE INDUSTRY Co Ltd
Priority date: 2011-01-17
Filing date: 2011-01-17
Publication date: 2012-02-08
Anticipated expiration: 2021-01-17

Abstract

A hinge structure capable of automatically and slowly opening or closing includes an axle center, a sleeve, an elastic piece, a cam and a damper, wherein the axle center and the sleeve rotate mutually around each other, so as to form a rotation stroke; the elastic piece, the cam and the damper are arranged on the axle center; the cam consists of a first cam and a second cam, the first cam is linked with the axle center, and the second cam is fixedly connected onto the sleeve; the axle center has a first position and a second position in the rotation stroke; when the axle center is at the first position, the first cam is clamped at the second cam; when the axle center and the sleeve rotate around each other, the first cam is disengaged from clamping so as to turn into the second position; the axle center is driven through the elastic piece to automatically rotate; and the damper can provide a reverse buffering force when the axle center and the sleeve rotate around each other; as a result, the functions of automatically and slowly opening or closing and protecting parts are achieved.

Description

But the hinge structure that a kind of automatic slowly is opened or closed

Technical field

But the utility model relates to the hinge structure that a kind of automatic slowly is opened or closed, outstanding reference and a kind of hinge structure with damping structure.

Background technique

At present electronic equipment such as notebook computer, the mobile phone etc. of drawing-pushing type on the market mainly are to utilize hinge structure with the winding that is pivoted of the display device of electronic equipment and main frame body, during use; Display device is can operate after relative main frame body is raised; And when not using, display device also relatively the doubling of main frame body fold, through the setting of hinge; Significantly dwindle the volume of electronic equipment, to reach convenient for collecting and to carry.

Shown in the TaiWan, China patent No. 576078 disclosed patents; No. 576078 patent has stator unit and external cam, and stator unit and external cam can be rotated relatively, and the rotatable while is installed in the inside of stator unit and external cam can axially movable internal rotor; Externally between cam and the internal rotor; Have plural cam mechanism, cam mechanism is plural cam groove and cam projection, can spinning movement be transformed into axial action; Between stator unit and internal rotor, be provided with clutch unit, twist coil spring and collapse coil spring; Stator unit and external cam can be connected to conversation portion and answering section; Preset state is that conversation portion and answering section cover and close; The axial force of collapse coil spring produces confining force with respect to the rotational resistance of external cam, and manual unlocking should conversation portion and during answering section, and clutch unit is removed and fastened; The twist coil spring discharges elastic force rotates stator unit and rotor unit relatively, and conversation portion and answering section just can be opened automatically.

The above patent is for using the break of hinge structure; It has the function of automatic closure or openness; But just be enough to will have the electronic product unlatching of constant weight automatically or close because must possess suitable elastic force, thus the very strong spring of elastic force all used usually, however the electronic product part is more and more accurate now; Speed and power are all kept necessarily during hinge closure or openness that break drove, when opening, possibly cause electronic product to overturn because of the rotation power is excessive or drop; And when closing, possibly cause the electronic product collision to send the sound even cause damage parts because of the rotation power is excessive, above technological difficulties are problems of being badly in need of solution.

The model utility content

The purpose of the utility model is to solve above-mentioned hinge structure excessive velocities and shortcoming of causing part to damage easily when closure or openness rotation automatically.

For reaching above-mentioned purpose; But the hinge structure that the utility model provides a kind of automatic slowly to open or close; The sleeve that it mainly comprises the axle center and connects the axle center; Axle center and sleeve have first assembly part and second assembly part, and first assembly part and second assembly part be provided with plural assembly hole, and axle center and sleeve rely on first, second assembly part to be arranged on the electronic product of the folding that can pivot.

The axle center has one and connects the section of establishing; Sleeve has a through hole and connects the containing space that the section of establishing is planted with supplying, and the sleeve connection makes axle center sleeve generation rotating distance relatively at containing space; The section of establishing that connects in axle center is equipped with elastic component, first cam, second cam, damper and is connecing the buckling member of the section of establishing with said modules is spacing according to assembling sequence; Wherein, first cam is fixed on connecing on the section of establishing of axle center, and second cam and sleeve are provided with the be bonded with each other first fixing joining portion and second joining portion; Make first cam can receive the axle center interlock and relative second cam rotates; First cam and second cam are provided with corresponding first fastening part and second fastening part, and damper also is installed in connecing on the section of establishing of axle center, and are contained in the containing space of sleeve; Sleeve and damper are provided with relative first surface and second surface, are provided with damping oil between first surface and the second surface.

The axle center has the primary importance and the second place in rotating distance, when primary importance, the first fastening part clip is in second fastening part, and elastic component receives first cam to push the back compression; When the second place; The relative sleeve rotation in axle center; Make first fastening part break away from second fastening part, the axle center is promoted and the rotation of sliding automatically by elastic component, and the damping oil that sees through between first surface and the second surface produces a kind of reverse cushion effect; Make axle center and sleeve be able to automatic slowly ground rotation, and then hinge is reached slowly open automatically or close.

The utility model is through being provided with the relative rotational that damper and damping oil can lower axle center and sleeve, and reaches the effect of automatic slowly closure or openness, protection spare part.

Description of drawings

Shown in Figure 1 is the schematic appearance of the utility model;

Shown in Figure 2 is the decomposing schematic representation of the utility model;

Fig. 3-1～3-2 be depicted as the utility model the structural profile schematic representation;

Shown in Figure 4 is the structural profile schematic representation of the other direction of the utility model;

Shown in Figure 5 for having the structural profile schematic representation of the case study on implementation of two opposite planar on the damper surface of the utility model;

Shown in Figure 6 for having the structural profile schematic representation of the case study on implementation of groove on the utility model damper surface;

Fig. 7-1～7-3 is depicted as the illustrative view of the utility model;

Fig. 8-1～8-3 is depicted as the illustrative view that the utility model is applied in notebook computer.

Among the figure:

1, hinge structure; 10, axle center; 11, connect the section of establishing; 12, buckling groove; 13, first assembly part; 14, assembly hole; 20, sleeve; 21, containing space 22, second joining portion; 23, first surface; 24, second assembly part; 25, assembly hole; 26, through hole; 30, elastic component; 40, first cam; 41, first fastening part; 50, second cam; 51, first joining portion; 52, second fastening part; 53, glissile segment; 54, first fixture block; 60, damper; 61, second surface; 62, second fixture block; 63, groove; 70, buckling member; 80, damping oil; 90, notebook computer; 91, upper shell; 92, lower shell body;

Embodiment

Below in conjunction with accompanying drawing 1-8, specify the utility model.

Like Fig. 1 and shown in Figure 2; But the hinge structure 1 that the utility model is opened or closed for automatic slowly; The sleeve 20 that comprises axle center 10 and connection axle center 10; Axle center 10 has section of establishing of connecing 11 and buckling groove 12, and sleeve 20 has and supply to connect the containing space 21 that the section of establishing 11 plugs, and makes axle center 10 sleeve 20 generation rotating distances relatively.The section of establishing 11 that connects in axle center 10 is equipped with elastic component 30, first cam 40, second cam 50, damper 60 and is fastened on buckling groove 12 according to assembling sequence, and said modules is spacing at the buckling member that connects the section of establishing 11 70; What first cam 40 was fixed on axle center 10 connects the section of establishing 11; Second cam 50 is arranged at axle center 10 versatilely and has first joining portion 51; First joining portion 51 is fixed on sleeve 20 corresponding second joining portion 22; Make first cam 40 can receive axle center 10 interlocks and 50 rotations of relative second cam, first cam 40 and second cam 50 are provided with corresponding first fastening part 41 and second fastening part, 52, the second fastening parts 52 connect the glissile segment 53 of inclination; Damper 60 is fixed on connecing on the section of establishing 11 of axle center 10; And be contained in the containing space 21 of sleeve 20, second cam 50 and damper 60 are provided with the angle of swing that first fixture block 54 and second fixture block, 62, the first fixture blocks 54 and second fixture block 62 mutual clip in rotating distance is controlled axle center 10 and sleeve 20; Connect the section of establishing 11 surfaces and be provided with two non-relatively cylndrical surface; And first cam 40, damper 60 and buckling member 70 are provided with the non-circular hole of corresponding non-cylndrical surface; Therefore first cam 40, damper 60 and buckling member 70 will be by driven rotary in the lump when rotate in axle center 10, more than are the main framework of formation the utility model.

Ask for an interview Fig. 3-1 and Fig. 3-2; Sleeve 20 and damper 60 have aspectant first surface 23 and second surface 61; And in the containing space 21 of sleeve 20, scribble damping oil 80; When the axle center 10 of having installed elastic component 30, first cam 40, second cam 50, damper 60 and buckling member 70 plugged into containing space 21, the air in the containing space 21 can be discharged by through hole 26, and damping oil 80 will be distributed between the second surface 61 of first surface 23 and damper 60 of sleeve 20.

Please refer to Fig. 4, as can be seen from the figure, the second surface 61 of damper 60 is an arc surface, and damping oil 80 is between first surface 23 and second surface 61.The utility model also has another one is set up two planes on the second surface 61 of damper 60 case study on implementation; As shown in Figure 5; Second surface 61 has more two relative planes except having arc surface, two planes are connected on the arc surface; Being used for setting up two planes can increase the volume between sleeve 20 and the damper 60, is able to ccontaining more damping oil 80 and is used for increasing cushion effect.The utlity model has and add groove on another damper to increase the case study on implementation of cushion effect; See Fig. 6 for details; This case study on implementation is that with the difference of preceding case study on implementation damper 60 is provided with plural dentation groove 63 on second surface 61; The groove of setting up more than relying on 63 can increase the surperficial area of contact of damping oil 80 and damper 60, and then increases cushion effect.

The utility model is mainly used in the electronic product of rotatable closure or openness, like notebook computer 90.Ask for an interview Fig. 8-1; Notebook computer 90 has upper shell 91 and lower shell body 92; At upper shell 91 and lower shell body 92 pivot-connecting positions this hinge structure 1 is set, hinge structure 1 has first assembly part 13 and second assembly part 24 is connected with lower shell body 92 and upper shell 91 respectively, please be simultaneously with reference to Fig. 7-1; Axle center 10 has the primary importance and the second place in rotating distance; First fastening part, 41 clips of first cam 40 are on second fastening part 52 of second cam 50 when primary importance, and elastic component 30 receives first cam 40 to push and compress, and upper shell 91 is closed state with lower shell body 92 when hinge structure 1 is in primary importance.

Ask for an interview Fig. 7-2 and Fig. 8-2; When the user will open notebook computer 90; Apply a kind of power on upper shell 91, axle center 10 and sleeve 20 are rotated relatively, first fastening part 41 broke away from second fastening part 52 when upper shell 91 rotated to special angle; Change the second place into, first fastening part 41 slips into the glissile segment 53 that is connected in second fastening part 52.

Ask for an interview Fig. 7-3 and Fig. 8-3; Elastic component 30 promotes first cam 40; Make first cam 40 along glissile segment 53 rotational slides; The rotation of hinge structure 1 automatic slowly, drive upper shell 91 is opened with respect to the lower shell body automatic slowly, up to first fastening part 41 and glissile segment 53 mutual clips (shown in Fig. 7-3).Map 8-3; Stop after upper shell 91 is driven by this hinge structure 1 to be opened to angle, the angle of opening is by

first fixture block

54 and 62 controls of second fixture block, when the mutual clip of first fastening part 41 and glissile segment 53; First fixture block 54 and second fixture block, 62 just mutual clips; Also can't continue rotating distance even the user continues to force in axle center 10, and can only rotate towards the primary importance direction with opposite direction, and then the angle of swing of control axle center 10 and sleeve 20.

In sum; The utility model is by means of between axle center 10 and sleeve 20, damper 60 being set; And between the second surface 61 of the first surface 23 of sleeve 20 and damper 60, be provided with damping oil 80; Make the cushion effect of axle center 10 and sleeve 20 dampened oil 80 when relative rotation and lower speed, and reach the function that automatic slowly is opened or closed.

More than the disclosed specific embodiment that is merely this patent, but this patent is not to be confined to this, for a person skilled in the art, under the prerequisite that does not break away from the utility model principle, the change of making should be regarded as belonging to the protection domain of the utility model.

Claims

1. but the automatic slowly hinge structure opening or close is characterized in that this hinge comprises:

Axle center, axle center have one and connect the section of establishing, and are with an elastic component on the section of establishing connecing;

Sleeve has containing space and first surface, and containing space can supply to connect the section of establishing and plug, and the relative sleeve in axle center has a rotating distance;

First cam is fixed on and connects the section of establishing and go up and promoted by elastic component, and first cam has first fastening part;

Second cam is fixed on the sleeve, has second fastening part of first fastening part of corresponding first cam, and second fastening part connects a glissile segment;

Damper is arranged in the containing space and is fixed on and connects the section of establishing, and has the second surface that regards to first surface, and is provided with damping oil between first surface and the second surface;

Wherein, the axle center has the primary importance and the second place in rotating distance, when primary importance; The first fastening part clip is in second fastening part, and elastic component pushes by first cam, when the second place; First fastening part breaks away from second fastening part; Elastic component promotes first cam along the glissile segment rotational slide, and damping oil produces reverse cushion effect, makes axle center and sleeve be able to the rotation of automatic slowly ground.

2. but the hinge structure that automatic slowly as claimed in claim 1 is opened or closed, it is characterized in that: the second surface of damper has plural dentation groove.

3. but the hinge structure that automatic slowly as claimed in claim 1 is opened or closed is characterized in that; The second surface of damper is an arc surface.

But 4. the hinge structure that automatic slowly as claimed in claim 3 is opened or closed, wherein, the second surface of damper comprises two relative planes, and these two planes are connected with arc surface.

But 5. the hinge structure that automatic slowly as claimed in claim 1 is opened or closed, wherein, the axle center has a buckling groove, and buckling groove can supply the buckling member setting, and is connecing the section of establishing with elastic component, first cam, second cam and damper are spacing.

6. but the hinge structure that automatic slowly as claimed in claim 1 is opened or closed, wherein, second cam and sleeve are provided with the be bonded with each other first fixing joining portion and second joining portion.

But 7. the hinge structure that automatic slowly as claimed in claim 1 is opened or closed, wherein, sleeve is provided with a through hole, and through hole is communicated with at containing space.

8. but the hinge structure that automatic slowly as claimed in claim 1 is opened or closed, wherein, first fixture block and second fixture block that second cam and damper are provided with mutual clip in rotating distance are used for controlling angle of swing.

9. but the hinge structure that automatic slowly as claimed in claim 1 is opened or closed; Wherein, Axle center and sleeve have first assembly part and second assembly part; And first assembly part and second assembly part are provided with plural assembly hole, and axle center and sleeve rely on first, second assembly part to be arranged on the electronic product of the folding that can pivot.