CN2273435Y

CN2273435Y - Pivotal device

Info

Publication number: CN2273435Y
Application number: CN 96243404
Authority: CN
Inventors: 吕胜男
Original assignee: XINRIXING SPRING MACHINERY IND
Current assignee: XINRIXING SPRING MACHINERY IND
Priority date: 1996-10-25
Filing date: 1996-10-25
Publication date: 1998-01-28
Anticipated expiration: 2006-10-25

Abstract

The utility model relates to a pivot device. Both-end fixed seats are connected with a middle pivot seat in series, and a lacing spring is respectively sheathed between both ends of the pivot seat and the two fixed seats; the spiral directions of the two lacing springs are opposite and the lacing force is different, by which, a lighter force needed by the pivot device when rotating toward one direction and a heavier force needed by the pivot device when rotating toward the other direction can be provided.

Description

Pivot device

The utility model relates to a kind of pivot device, it is a kind of body of notebook computer and pivot device between the display of being used in, it uses structural cooperation, makes display this pivot device when raising that less damping force only is provided, and bigger damping force then is provided when closure.

Because the volume of notebook computer own is small and exquisite and easy to carry, so become the instrument that all trades and professions are widely used, basically notebook computer is the design of adopting pivot between body and display, when not in use can it is closed together with reduction volume and be convenient for carrying or collect, when using, then can display be raised again by pivot device therebetween, because user individual's custom or the light of field of employment relation, often need display is opened different angles, and after being flared to special angle, display promptly must keep its opening angle by pivot device, and can not allow display in use change opening angle arbitrarily, so make the structure of pivot device be different from general common hinge arrangement because of rocking on the gravity or the vehicles.

Relevant manufacturer is in order to provide the pivot device that is applicable to notebook computer, be to develop multiple different design, the design people also once goes out the pivot device of multiple different types at this type of mechanical development, and how obtained the granting a patent certainly of Taiwan Patent Office (such as: No. the 79205466th, 81201482,81201486,81201626, Taiwan patent); Yet can recognize in the research process of this type of pivot device initial design is at how the suitable stagnation effect of display can be provided to do, so providing of friction force is provided in the patent of getting permission in early days mostly;

In advanced design, considered the adjustment problem of pivot device elasticity, because the display device structure difference that on different notebook computers, is disposed, so its weight is difference to some extent also, this promptly makes relevant manufacturer to develop required pivot device at specific notebook computer, this promptly makes production cost to reduce, in the rapid variation in market, also can't hold business opportunity, in order to overcome this problem, the design people develops the multiple pivot device of adjusting elasticity (such as No. the 0 nine eight five two six, the novel patent in Taiwan), but still can not satisfy various demands.

Existing multiple pivot device structure all only can provide standardized damping force in utilization, the size of this power is to be conceived to display raised when arbitrarily angled, all be enough to support this display and can not change angle arbitrarily, but the convenience in order to take the user into account and to raise and fold, so mostly the damping force that pivot device provided is done effort towards being enough to keep display in the minimum value of opening unspecified angle in design, though this kind design is correct on theory, but find that in actual use it still has some potential shortcomings, for example: the damping force of some pivot device is less, make notebook computer very light when raising, but normal not cardiac because of the user when closure, allow user's the application of force add the weight of display and make display pound on body that it very easily causes damage; The damping force of some pivot device is bigger again, its when closure, be enough to contend with user's the application of force and weight of display itself, and can allow display being closed on the body slowly, never having display pounds to the problem of body and produces, but this type of pivot device need allow the user overcome the damping force of pivot device and the weight of display when display is raised, that is its must allow the user double effort can opening display, obviously its design is not ideal enough, and still has in addition improved necessity.

Fundamental purpose of the present utility model is: a kind of pivot device is provided, it is between body that applies to notebook computer and display the time, can when closure, then provide bigger damping force so that display this pivot device when raising only provides less damping force.

A purpose more of the present utility model is: a kind of pivot device is provided, and it cooperates simple member, can provide the rotation of two directions different damping strength, and the user can be provided more excellent practicality effect.

The technical solution of the utility model is to provide a kind of pivot device, it is respectively equipped with a holder in two ends, the outside at two holders is provided with stator, and be provided with fixed orifice in stator, it is characterized in that: pivot device is the holder by two ends, the pivot block and two of central authorities is tightened spring and is constituted, inboard in two holders is provided with the section of tightening, the two ends of pivot block also are provided with the section of tightening accordingly, pivot block is serially connected between the holder at two ends, and sheathedly respectively between pivot block two ends section of tightening and the two holder sections of tightening be assembled with one and tighten spring, the opposite and power of tightening of these two hand of spiral of tightening spring varies in size;

The utility model compared with the prior art advantage and good effect is very obvious.By above technical scheme as can be known, the utility model is with suitable respective outer side edges, can allow pivot device that less damping force is being provided when a direction is rotated, and when rotating, other direction provides bigger damping force, in the time of so between display that is assembled to notebook computer and body, just can allow display when raising, can open easily, and when closure, can provide enough damping forces, display can not pounded on body, and can guarantee the normal use of notebook computer, can allow the user more comfortable when utilization.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is the element decomposing schematic representation of the utility model pivot device one preferred embodiment.

Fig. 2 is the combination cross-sectional schematic of embodiment among Fig. 1 of the utility model pivot device.

Fig. 3 is the element decomposing schematic representation of another preferred embodiment of the utility model pivot device.

Fig. 4 is the element decomposing schematic representation of the another preferred embodiment of the utility model pivot device.

See also shown in Figure 1, it is the element decomposing schematic representation of the utility model pivot device one preferred embodiment, can see the utility model pivot device among the figure is to be tightened spring 30 and constituted by two holders 10, a pivot block 20 and two, wherein holder 10 outsides are stator 12, which is provided with the fixed orifice 122 that combines with display or body, then be provided with one section columned section of tightening 14 in the inboard, be provided with serial connection hole 142 in two holders, 10 sections of tightening, 14 ends of this embodiment; It is one cylindric that the external form of pivot block 20 is basically, also be the section of tightening 24 in its cylindrical surface, be provided with a ring space ring 22 in the section of tightening 24 central authorities simultaneously, pivot block 20 two ends in this embodiment are respectively equipped with the serial connection post 242 that matches with the serial connection hole 142 of holder 10, then are assembled with one respectively again between pivot block 20 and two holders 10 and tighten spring 30.

Cooperate Fig. 2 (the combination diagrammatic cross-section of embodiment among the utility model Fig. 1) to see it, can see the configuration state of pivot device structure of the present utility model, the holder 10 that is positioned at two ends is connected in series with the serial connection post 242 of the pivot block 20 of central authorities mutually by its serial connection hole 142, and sheathedly respectively between the section of tightening 14 of the section of tightening 24 at pivot block 20 two ends and two holders 10 be assembled with one and tighten spring 30, opposite and the power of tightening of these two hand of spiral of tightening spring 30 varies in size, can provide pivot device of the present utility model when a direction is rotated, only needing lighter strength by this, when other direction rotates, then need heavier power.

Further operating conditions of the present utility model is explained again, since the utility model between pivot block 20 and two holders 10 sheathed assembling two to tighten spring 30 hands of spiral opposite, and owing to tighten spring 30 are damping forces that 20 of holder 10 and pivot block are provided by the power of tightening, so when two holders, 10 application of forces are done the relative rotation of a direction (to be that example explains clockwise), can be owing to the friction force effect of tightening 20 of spring 30 and holder 10 and pivot block, make that the spring 30 of tightening of pivot block 20 1 sides (is that example explains with the left side shown in scheming) is tightened, and the spring 30 of tightening of opposite side (right side shown in the figure) is loosened, this promptly makes left hand fixed

seat

10 and 20 quilts of pivot block tighten spring 30 and tightens and can not be pivoted relative to each other, and only have right hand fixed

seat

10 and 20 of pivot block to be pivoted relative to each other, that is this moment tightening spring 30 performance it being tightened strength damping action is provided of right side only arranged, 30 on the spring of tightening that the left side is tightened forces holder 10 and pivot block 20 to be stationary state;

Again when when two holders, 10 application of forces being made it do anticlockwise and rotate relatively, can make that then the spring 30 of tightening in aforementioned left side of being tightened is loosened, and the aforementioned spring 30 of tightening by the right side of pine is tightened, this moment is promptly by the damping force that spring 30 provides 20 of holder 10 and pivot block of tightening in left side, the tightening spring 30 and then can force the holder 10 and the pivot block 20 of this side to be stationary state because of being the state of tightening of right side;

Rely on structural arrangements of the present utility model, can make pivot device when doing the relatively rotating of different directions, by pivot block 20 not the spring 30 of tightening of homonymy damping force is provided, because the spring 30 of tightening of the utility model pivot block 20 both sides is tightened the strength difference, therefore can when relatively rotating as different directions, pivot device provide different damping forces; For tighten spring 30 different tighten strength, then can realize by multiple mode, in the drawings person shown in the embodiment of Jie Luing be adopt same size tighten spring 30, but the number of turns difference of both sides, so the different power of tightening can be provided, it also can adopt not, and the spring 30 of tightening in collinear footpath provides the different strength of tightening, or adopt the spring base material in same line footpath, be sheathed between holder 10 and the pivot block 20 but be wound into the different spring 30 of tightening of diameter, it all can finish desired effect.

Next see it by Fig. 3, it is the decomposing schematic representation of another preferred embodiment element of the utility model pivot device, it and the preferred embodiment shown in Fig. 1,2 are compared, the basic structure configuration of the two is identical, just be made as serial connection post 144 in the section of tightening 14 ends of its holder 10, and be provided with corresponding serial connection hole 244 at pivot block 20 two ends, so also can allow two holders 10 and pivot block 20 serial connection mutually easily, and can cooperate and tighten spring 30 and finish identical effect.

In addition shown in Fig. 4, it is the decomposing schematic representation of the another preferred embodiment element of the utility model pivot device, be still shown in the figure on the series connection structure of 20 of holder 10 and pivot block and change, the section of tightening 14 ends of a holder 10 are provided with and Fig. 1 therein, identical serial connection hole 142 in the preferred embodiment shown in 2, but then be provided with the long serial connection axle 146 of a length in the section of tightening 14 ends of another holder 10, simultaneously be provided with an axial serial connection perforation 246 in pivot block 20 central authorities, so can be when two holders 10 be connected in series mutually with pivot block 20, use the serial connection axle 146 of a holder 10 to pass in the serial connection hole 142 that penetrates another holder 10 behind the serial connection perforation 246 of pivot block 20 and finish serial connection, cooperate simultaneously and tighten spring 30 effect identical with previous embodiment is provided.

Claims

1. pivot device, it is respectively equipped with a holder in two ends, the outside at two holders is provided with stator, and be provided with fixed orifice in stator, it is characterized in that: pivot device is the holder by two ends, the pivot block and two of central authorities is tightened spring and is constituted, inboard in two holders is provided with the section of tightening, the two ends of pivot block also are provided with the section of tightening accordingly, pivot block is serially connected between the holder at two ends, and sheathedly respectively between pivot block two ends section of tightening and the two holder sections of tightening be assembled with one and tighten spring, the opposite and power of tightening of these two hand of spiral of tightening spring varies in size;

2. pivot device according to claim 1 is characterized in that: wherein the two holder section of tightening ends are provided with the serial connection hole, and the pivot block two ends are respectively equipped with the serial connection post that matches with holder serial connection hole.

3. pivot device according to claim 1 is characterized in that: wherein the two holder section of tightening ends are provided with the serial connection post, and the pivot block two ends are respectively equipped with the serial connection hole of matching with holder serial connection post.

4. pivot device according to claim 1 is characterized in that: wherein the holder section of a tightening end is provided with the serial connection hole, and another holder section of tightening end then is provided with a serial connection axle, and pivot block central authorities are provided with one for being connected in series the axial serial connection perforation that axle passes.

5. according to claim 1,2,3 or 4 described pivot devices, it is characterized in that: wherein the section of tightening central authorities are provided with a ring space ring.

6. pivot device according to claim 1 is characterized in that: wherein two tighten the spring that spring can be same size, but two tighten the number of turns difference of spring.

7. pivot device according to claim 1 is characterized in that: wherein two tighten spring and can be the not spring in collinear footpath.

8. pivot device according to claim 1 is characterized in that: wherein two tighten the spring base material that spring can be same line footpath, but its be wound into two tighten the spring diameter difference.