CN201206590Y

CN201206590Y - Reed structure of turning gear

Info

Publication number: CN201206590Y
Application number: CNU2008201113219U
Authority: CN
Inventors: 张吉铺; 郭中极
Original assignee: First Dome Corp
Current assignee: First Dome Corp
Priority date: 2008-04-16
Filing date: 2008-04-16
Publication date: 2009-03-11
Anticipated expiration: 2018-04-16

Abstract

The utility model discloses a spring structure of a rotating axle device. A cam spring set is arranged in a connecting space arranged on a seat body, a plurality of slope sectors and a plurality of grooves are respectively arranged on the inner side wall of the axle hole of the cam spring set at intervals and in a staggered manner, a rotating axle is pivotally arranged in the axle hole of the cam spring set, arc-shaped axial surfaces are formed on both sides of the rotating axle and edges are formed between the axial surfaces, one side of the rotating axle is inserted in a fixing hole of a rotating arm, and the rotating arm is connected with a cover body. When a user lifts or covers the cover body to drive the rotating arm to rotate, the rotating axle connected with the rotating arm rotates in the axle hole, and when the arc-shaped axial surfaces of the rotating axle are propped against an inclined plane via the slope sectors, the thrust required to be applied to the cover body by the user can be saved due to the reduction of the component force of the inclined plane as well as the contact area, thereby achieving the purpose that the cover body is slightly opened and closed.

Description

The reed structure of turning gear

Technical field

The present invention relates to a kind of reed structure of turning gear, belong to the connection area of mechanical technique, belong to the technical field that adopts the rotating shaft form to connect board specifically.

Background technique

Be seen everywhere in the life now and adopt turning gear to reach the article of raising and cover function, as door, cover-lifting type mobile phone, mobile computer and electronic translator etc., and general common door, mobile computer all is equiped with at the end in addition with respect to turning gear again the bayonet unit that fastens locating function is provided, can close really with the screen cover of guaranteeing door or mobile computer, yet, install bayonet unit additional and not only increase integrally-built complexity, also increase manufacture cost, and owing to the problem of bayonet unit in the easy appearance abrasion in the long-term use of process back, so the countershaft device is done further improvement and improvement again.

See also shown in Figure 7, three-dimensional exploded view for the free locate mode hinge most preferred embodiment commonly used, its set rotating shaft A is equiped with the sleeve pipe B that plural pad B1 is formed, and sleeve pipe B is provided with thoroughly can be for the axis hole B2 of rotating shaft A pivot joint, and utilize friction arms B3 to be formed with shoulder B4 and neck portion B 5 in axis hole B2 upside, axis hole B2 downside then is provided with secondary hole B6 thoroughly, the sheathed respectively joint seat D that links the movable end C of default lid and can be fixed in default matrix in rotating shaft A both sides again, when the axis hole B2 of sleeve pipe B passes for rotating shaft A, the space that is not occupied by rotating shaft A among the sleeve pipe B then can become the oilhole of profit naturally of rotating shaft A, and when the lid of the movable end C that throws, formed pivoting friction degree can be reduced by the lubrication effect of lubricant oil between rotating shaft A and sleeve pipe B, with the loss of the face of reducing friction and then the working life of prolongation mechanism.

Yet above-mentioned free locate mode hinge still has many shortcomings to remain to be improved, as:

(1) when the user covers lid, lid is towards the matrix turn and stop on the matrix, though rotating shaft this moment A also and then stops operating, but if rotating shaft A still has moment rotational acceleration and make and still have rotation friction between rotating shaft A and the axis hole B2, the reaction force that axis hole B2 madial wall acts on the rotating shaft A can cause lid to flick from matrix, and lid can't be covered on the matrix in driving fit.

(2) when the pivoting friction between rotating shaft A and the axis hole B2 is big, the abrasion of throw effort and increase rotating shaft A and the axis hole B2 of movable end C, when and lid that movable end C connected little when its rotation friction closed downwards, if the weight of lid own is big and gravitate is fashionable towards substrate cover fast, then may produce the situation that lid or matrix damage.

Therefore, how to solve problem and the disappearance of commonly using free locate mode hinge, be the striving direction of the improvement that relevant manufacturer is studied of being engaged in the industry.

Summary of the invention

The invention provides a kind of reed structure of turning gear,, keep the entire purpose of closing well and preventing to flick of matrix from matrix surface to realize being available for users to gently open, gently closing matrix.

The technical solution adopted in the present invention is in order to achieve the above object:

A kind of reed structure of turning gear comprises that pedestal, axial region and turn arm form, wherein:

This pedestal one side is provided with thoroughly accepts the space, and pedestal extends towards two sides respectively and logically be provided with plural locating slot in accepting the space outer rim again, and plural locating slot is provided with towards the turning point of the vertical bending of two relative directions, and the last side in turning point is provided with extending portion again;

This axial region is provided with and is fixedly arranged on the set cam reed group of accepting in the space of pedestal, its outside then is provided with the plural positioning block that is positioned in the pedestal plural number locating slot, and plural positioning block is provided with and the corresponding kink in the set turning point of pedestal locating slot, and kink end side is extended with and the corresponding scratching part of the set extending portion of pedestal locating slot again, and be formed with axis hole in cam reed group inboard, and axis hole madial wall interleaved is provided with plural beveled region and plural groove, in the axis hole of cam reed group, be pivoted with the rotating shaft of axial region again, and rotating shaft is symmetry shape and two sides are formed with the arc axial plane that slides against the axis hole madial wall;

This turn arm one side is provided with thoroughly for the rotating shaft of axial region and inserts solid fixed hole.

The turning point of set adjacent two locating slots of this pedestal is bending in the opposite direction, and the kink of set adjacent two positioning blocks of cam reed group bends in the opposite direction.

This cam reed group is that plural cam reed is formed.

The madial wall of this axis hole is curved.

Intersect between the axial plane of this rotating shaft and be formed with plural seamed edge.

This rotating shaft is provided with the buckling part that protrudes from the pedestal outside in the side with respect to the turn arm, and buckling part then is arranged with and makes the spacing clasp that can not drop of rotating shaft.

Adopt technological scheme of the present invention:

Because what pedestal one side was set accepts the cam reed group that is provided with axial region in the space, it is that plural cam reed is formed, and the madial wall interleaved of the set axis hole of cam reed group is provided with plural beveled region and plural groove, and in the axis hole of cam reed group, be pivoted with rotating shaft, and rotating shaft is symmetry shape and two sides are formed with the arc axial plane, be formed with seamed edge between axial plane, rotating shaft one side then is solidly plugged in the fixed hole of turn arm, and the turn arm is connected with lid, when the user raises and cover lid, can affect the rotation of turn arm, the i.e. turn in axis hole of rotating shaft that be connected with the turn arm this moment, be held in the inclined-plane because of inclined-plane component by the arc axial plane of rotating shaft when the beveled region, the relation that area of contact reduces and groove is stepped down, saving the user opens, the required thrust that puts on lid when closing lid is gently opened and lid can be reached, light main purpose of closing.

When lid is covered on moment of matrix, the seamed edge of rotating shaft stops in the groove and does not contact with the wall of groove, and the wall that seamed edge just can not be subjected to groove imposes reaction force, and prevents that lid from flicking from matrix surface.

Description of drawings

Fig. 1 is the stereo appearance figure of preferred embodiment of the present invention.

Fig. 2 is the three-dimensional exploded view of preferred embodiment of the present invention.

Fig. 3 is the side cutaway view of preferred embodiment of the present invention.

The side cutaway view of Fig. 4 during for preferred embodiment Cover opening of the present invention.

Side cutaway view when Fig. 5 closes for preferred embodiment lid of the present invention.

Fig. 6 is the stereo appearance figure of another preferred embodiment of the present invention.

Fig. 7 is the three-dimensional exploded view of commonly using.

The primary component symbol description

1, pedestal

11, accept space 1111, turning point

111, locating slot 1112, extending portion

2, axial region

21, cam reed group 2131, kink

211, cam reed 2132, scratching part

212, axis hole 22, rotating shaft

2121, beveled region 221, seamed edge

2122, groove 222, buckling part

213, positioning block 23, clasp

3, turn arm

31, fixed hole

4, lid

5, matrix

A, rotating shaft

B, sleeve pipe B4, shoulder

B1, pad B5, neck

B2, axis hole B6, secondary hole

B3, friction arms

C, movable end

D, joint seat

Embodiment

For reaching above-mentioned purpose and effect, the technology used in the present invention means and structure thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present invention its feature and function are as follows.

See also Fig. 1, Fig. 2, shown in Figure 3, be stereo appearance figure, three-dimensional exploded view and the side cutaway view of preferred embodiment of the present invention, by knowing shown in the figure that the reed structure of finding out this turning gear comprises that pedestal 1, axial region 2 and turn arm 3 are formed; Wherein:

These pedestal 1 one sides are provided with thoroughly accepts space 11, and accepts space 11 outer rims and extend the logical plural locating slot 111 that is provided with, and it is provided with towards the turning point 1111 of the vertical bending of two relative directions, and turning point 1111 last sides are provided with extending portion 1112 again.

This axial region 2 is provided with the cam reed group 21 that plural cam reed is formed, its inboard is formed with the axis hole 212 of tool arc madial wall, and interleaved is provided with plural beveled region 2121 and plural groove 2122 on axis hole 212 madial walls, cam reed group 21 outsides then are provided with plural positioning block 213, and plural positioning block 213 is provided with and pedestal 1 locating slot 111 set turning points 1111 corresponding kinks 2131, and kink 2131 last sides are extended with and pedestal 1 locating slot 111 set extending portion 1112 corresponding scratching parts 2132 again, in the axis hole 212 of cam reed group 21, be pivoted with rotating shaft 22 again, it is to be symmetry shape and two sides are formed with the arc axial plane that can slide against axis hole 212 madial walls, and intersect between the axial plane of rotating shaft 22 and be formed with plural seamed edge 221, rotating shaft 22 1 sides are provided with buckling part 222 again, and axial region 2 is equiped with clasp 23 on buckling part 222.

These turn arm 3 one sides are provided with fixed hole 31 thoroughly.

Above-mentioned each member is when assembling, system is installed in accepting in the space 11 of pedestal 1 with cam reed group 21, the plural positioning block 213 of cam reed group 21 is positioned in the plural locating slot 111 of pedestal 1, continue clasp 23 is buckled on the buckling part 222 of axial region 2 set rotating shafts 22, and rotating shaft 22 is passed and is stretched out the axis hole 212 of cam reed group 21, to be solidly plugged in the fixed hole 31 of turn arm 3 from the rotating shaft 22 distolateral butt joints that axis hole 212 stretches out at last, promptly finish assembling operation of the present invention.

See also Fig. 4, Fig. 5, shown in Figure 6, side cutaway view when being preferred embodiment Cover opening of the present invention, side cutaway view when lid is closed and the stereo appearance figure of another preferred embodiment, find out by knowing shown in the figure, when covering lid 4, the user can affect 3 rotations of turn arm, the rotating shaft 22 that be connected with turn arm 3 this moment is promptly done counterclockwise turn in the axis hole 212 of cam reed group 21, when the lid 4 approaching intervals that are covered on matrix 5, one seamed edge 221 of rotating shaft 22 is to stop on the beveled region 2121 and produce to press down component, make lid 4 entire closing automatically, and when the arc axial plane of rotating shaft 22 is held in the relation of inclined-plane because of inclined-plane component during through beveled region 2121, the user can be saved and the thrust of lid 4 need be imposed on, and reach the purpose of light pass lid 4, and when lid 4 is covered on moment on matrix 5 surfaces, another seamed edge 221 of rotating shaft 22 be stop in the groove 2122 and not with groove 2

122 side wall surface contact, therefore seamed edge 221 side wall surface that just can not be subjected to groove 2122 imposes reaction force, and can prevent that lid 4 from flicking from matrix 5 surfaces, the user does not just need once more the application of force to cover lid 4 again, again when rotating shaft 22 in the axis hole 212 of cam reed group 21 during turn, by clasp 23 is held on the buckling part 222 of rotating shaft 22, can makes rotating shaft 22 be limited in the pedestal 1 set opening of accepting space 11, and can from accept space 11, not skid off and drop.

When lifting opening body 4, the user can affect 3 rotations of turn arm, and turn arm 3 drives rotating shaft 22 simultaneously and do clockwise turn in axis hole 212, make the seamed edge 221 of rotating shaft 22 set arc axial plane one ends leave groove 2122, and the arc axial plane cunning of rotating shaft 22 is through the arc madial wall of axis hole 212, support again and by beveled region 2121, reach the interval of 5 to 15 degree when the opening angle of lid 4, one seamed edge 221 of rotating shaft 22 is to stop on the beveled region 2121, and be held in the relation that the inclined-plane reduces because of area of contact when the beveled region 2121 by the arc axial plane of rotating shaft 22, the user can be saved and the thrust of lid 4 need be imposed on, and lid 4 is gently opened for the user, as the user lid 4 is opened into the interval of 135 degree again by 15 degree, another seamed edge 221 of rotating shaft 22 does not contact with the side wall surface of groove 2122, the side wall surface that seamed edge 221 just can not be subjected to groove 2122 imposes reaction force, make the interval of lid in 15 to 135 degree, can stop arbitrarily.

The reed structure of the turning gear of the invention described above when reality is used, for can having following advantage, as:

(1) when lifting, the user opens and can affect when covering lid 43 rotations of turn arm, the i.e. turn in the axis hole 212 of cam reed group 21 of rotating shaft 22 that link to each other with turn arm 3 this moment, when the lid 4 approaching intervals that cover, one seamed edge 221 of rotating shaft 22 is to stop on the beveled region 2121, generation presses down component, make lid 4 entire closing automatically, and another seamed edge 221 of rotating shaft 22 is to stop in the groove 2122 and do not contact with the side wall surface of groove 2122, the side wall surface that seamed edge 221 just can not be subjected to groove 2122 imposes reaction force, and has the effect that prevents lid 4 resiliences, and when the user opens, when closing lid, be held in the relation that the inclined-plane reduces because of inclined-plane component and area of contact when the beveled region 2121 by the arc axial plane of rotating shaft 22, lift and open and the required thrust that imposes on lid 4 when covering lid 4 to save the user, lid 4 is had to be available for users to gently open, light advantage of closing, and the tool matrix is not started effect.

(2) be covered on moment of matrix 5 when lid 4, another seamed edge 221 of axial region 2 set rotating shafts 22 is to stop in the groove 2122 of axis hole 212 and do not contact with the side wall surface of groove 2122, therefore seamed edge 221 side wall surface that just can not be subjected to groove 2122 imposes reaction force, and having the advantage that prevents lid 4 resiliences, the user does not just need once more the application of force to cover lid 4 again.

(3) when spending lid 4 by 15, the user is opened into 135 intervals of spending, another seamed edge 221 of rotating shaft 22 does not contact with the side wall surface of groove 2122, the side wall surface that seamed edge 221 just can not be subjected to groove 2122 imposes reaction force, when making the opening angle of lid 4 reach 15 to 135 degree interval, lid 4 can stop arbitrarily.

(4) when lid 4 after the user gently opens and gently closes, the arc axial plane of rotating shaft 22 promptly continues to slide and bestow axis hole 212 madial wall rotation frictions along the rotation of axis hole 212 madial walls, while axis hole 212 madial walls also countershaft 22 are bestowed reaction force, this reaction force can provide lid 4 opposing actions of gravity, and avoid lid 4 to cover fast towards matrix 5, have the advantage of controlling lid 4 open and close speed for the user.

(5) the present invention is provided with the plural locating slot 111 that relatively oppositely bends and extend towards two by accepting space 11 outer rims, avoid cam reed group 21 to be subjected to the rotation twisting force of inner rotating shaft 22 and accept space 11 certainly and skid off, but make cam reed group 21 when rotating shaft 22 is rotated still strong fix in plural locating slot 111.

The present invention is that the reed structure that is primarily aimed at turning gear is improved; its technological means is for affecting 3 rotations of turn arm when the user raises and cover lid 4; turn in the axis hole 212 is convenient in the rotating shaft 22 that link to each other with turn arm 3 this moment; when the lid 4 approaching intervals that are covered on matrix 5; one seamed edge 221 of rotating shaft 22 is to stop on the beveled region 2121 and produce to press down component; make lid 4 entire closing automatically; and when the arc axial plane of rotating shaft 22 is held in the relation of inclined-plane because of inclined-plane component during through beveled region 2121; the user can be saved and the thrust of lid 4 need be imposed on; and lid 4 is gently closed for the user; and be covered on the moment on matrix 5 surfaces when lid 4; another seamed edge 221 of rotating shaft 22 is to stop in groove 2122 and do not contact with the side wall surface of groove 2122; therefore seamed edge 221 side wall surface that just can not be subjected to groove 2122 imposes reaction force; prevent that lid 4 from flicking from matrix 5 surfaces; the user does not just need once more the application of force to cover lid 4 again; and the opening angle of working as lid 4 reaches the intervals of 5 to 15 degree; one seamed edge 221 of rotating shaft 22 is to stop on the beveled region 2121; and be held in the relation that the inclined-plane reduces because of area of contact when the beveled region 2121 by the arc axial plane of rotating shaft 22; the user can be saved and the thrust of lid 4 need be imposed on; and lid 4 is gently opened for the user; as the user lid 4 is opened into the interval of 135 degree again by 15 degree; another seamed edge 221 of rotating shaft 22 does not contact with the side wall surface of groove 2122; the wall that seamed edge 221 just can not be subjected to groove 2122 imposes reaction force; make lid in 15 to 135 degree interval; can stop to be main key protection point arbitrarily; only; the above only is preferred embodiment of the present invention; non-so promptly limit to claim of the present invention; so the simple and easy modification and the equivalent structure that use specification of the present invention and graphic content to do such as change; all should in like manner be contained in the claim of the present invention, close and give Chen Ming.

Claims

1, a kind of reed structure of turning gear comprises that pedestal, axial region and turn arm form, and it is characterized in that:

2, the reed structure of turning gear as claimed in claim 1 it is characterized in that the turning point of set adjacent two locating slots of this pedestal is bending in the opposite direction, and the kink of set adjacent two positioning blocks of cam reed group bends in the opposite direction.

3, the reed structure of turning gear as claimed in claim 1 is characterized in that this cam reed group is that plural cam reed is formed.

4, the reed structure of turning gear as claimed in claim 1 is characterized in that the madial wall of this axis hole is curved.

5, the reed structure of turning gear as claimed in claim 1 is characterized in that intersecting between the axial plane of this rotating shaft and is formed with plural seamed edge.

6, the reed structure of turning gear as claimed in claim 1 is characterized in that this rotating shaft is provided with the buckling part that protrudes from the pedestal outside in the side with respect to the turn arm, and buckling part then is arranged with and makes the spacing clasp that can not drop of rotating shaft.