CN205025914U - Slick and sly bending of crisscross connecting rod linkage type of multiple tooth axle mechanism that opens and shuts - Google Patents

Abstract

Be used for articulated slick and sly bending of crisscross connecting rod linkage type of multiple tooth axle mechanism that opens and shuts between display and the pedestal, include: be parallel to each other, interval, an order first pivot, a second pivot, a third pivot, a fourth pivot of arranging in proper order, two at least connecting rod single wheel are equipped with two pin joint shaft holes, and one end has teeth of a cogwheel, and the suit and has gear teeth's one end intermeshing on it on first pivot and second pivot, on third pivot and the fourth pivot respectively, an at least connecting rod double gear, it has diaxon hole and suit on second pivot and third pivot, and both ends all are equipped with gear teeth, two at least single wheel are equipped with a shaft hole on it, the suit is on first pivot and on the fourth pivot respectively, and each single wheel peripheral part branch is equipped with gear teeth and goes up the gear teeth intermeshing of abutting end side respectively with connecting rod double gear, at least two activity ear pages or leaves change with epaxial single wheel of first pivot and the synchronous linkage pendulum of the epaxial single wheel of fourth pivot respectively.

Description

The round and smooth bending open-and-close mechanism of a kind of multiple tooth shaft staggered connection-rod linkage type

Technical field

The utility model relates to a kind of support device of display device, especially connect respectively display device and (comprise the display device such as liquid crystal or LED, also plate display screen is comprised, hereinafter referred to as display device, lower same) and pedestal (battery and/or main frame etc. can be housed in pedestal), make the hinged open-and-close mechanism (certainly also comprising the hinged open-and-close mechanism of notebook computer) of both relative rotations.

Background technique

For ease of adjustment location display pitching rotation visual angle with viewing easy to use, the display device of tabular to be usually connected with pedestal by open-and-close mechanism and to carry out supporting and regulate pitching visual angle, such as common notebook computer (being not limited to this type of type) is exactly, and therefore to need open-and-close mechanism to carry out hinged for display device and pedestal.

Known, typical display device and pedestal can the open-and-close mechanism of relative rotation be single axle open-and-close mechanisms at present, and its working principle is as the open-and-close mechanism of common laptop computer displays and pedestal, it comprises a pivot, at least two folding also can install the two movable ear pages connecting display device and pedestal relatively respectively, two movable ear pages are articulated on this pivot jointly, pivot joint generally employing activity ear page side elastic fastening this axle coated produces relative rotation friction torque, or adopt two movable ear pages respectively apertured to be enclosed within pivot or directly riveted joint is first-class is connected mutually, one group of packing ring (containing resilient pad) and fastener assembly pivot be generally equipped with (as nut, non-circular hole plain cushion, corresponding section configuration of establishing screw thread and adaptation on pivot section), by resilient pad along pivot elastic compression two movable ear page to produce torsional friction resistance during relative rotation between two movable ear pages, sometimes in order to needs expert when indivedual special angle location feels and stablize and/or sometimes needs to limit rotation extreme angles within the scope of special angle, the angle being correspondingly provided with similar suitable concave, convex wheel construction toward contact on pivot " crosses point " and the limit spacing " gear point " (this is industry known features, therefore does not repeat).

Obvious two kinds of structure comparison, adopt clad type structure simply too much, but it does not separately install corresponding additional and generally does not possess " crossing point " and " gear point " function; Usually, for the corresponding attachment face of ear page to display device or pedestal that take in sail is because of the larger issuable damage of active force, go up generally to fill to overlap such open-and-close mechanism between the two at display device and pedestal more, with share equally, distribute take in sail ear page apply active force, avoid or reduce the distortion of junction plane.

But the open-and-close mechanism of this prior art, can not utilize more fully and more reasonably arrange in space in display device and pedestal or position and lay open/close device, particularly it cannot realize rounding off and the natural sense of open-and-close mechanism position deformation in overall appearance in complete machine folding rotation process, seem very stiff, stiff, folding activities outward appearance is caused to feel bad, when more cannot realize folding rotation in appearance gradually Bending Deformation round and smooth smoothness sense (, suppose that display device and pedestal are initially at same plane, along with the continuous rotation of movable ear page, the pivot open-and-close mechanism of prior art can not follow bending deflection in the mode of approximate constantly gradual change arc curvature, namely similar coiled rotation is formed), therefore directly the perception of people has been arrived in negative effect, and outward appearance is more and more followed the fashion to people and is more focused on the aesthetic now age, to become most important, even can determine the success or failure of a product, and the disadvantage of this prior art exactly.Although prior art also has a kind of open-and-close mechanism of the twin axle for reducing above-mentioned defect, it adopts two axles, with similar 8-shaped connecting sheet pivot joint diaxon, two movable ear pages are then distinguished on pivot joint diaxon, though above-mentioned defect condition is improved slightly, but overcome completely not yet, moreover, also there is new larger problem simultaneously, namely each pivot can not stringent synchronization, interlock, the bending rotation of one, make display device and pedestal when same folding angle, position is not unique, also namely both there will be the phenomenon of obviously dislocation arbitrarily mutually, the outward appearance of complete machine swinging motion and rotation feel and experience are had a strong impact on.

Summary of the invention

In order to overcome the above-mentioned all deficiencies of prior art, the utility model provides a kind of brand-new open-and-close mechanism, this open-and-close mechanism can space in display device and pedestal or position utilize more fully and more reasonably arrange lays open-and-close mechanism with the layout of other content of complete machine of stepping down, particularly can realize the deformation rounding off of open-and-close mechanism position in overall appearance of complete machine folding rotation process hub knob hinged place, during folding rotation, along with the continuous rotation of movable ear page, open-and-close mechanism position can with the arc-shaped bend distortion of approximate continuous gradual change arc curvature, form the sense of nature winding, thus now more and more following the fashion the age aesthetic with emphasis outward appearance more, achieve the hope of the round and smooth bending folding of tabular computer that people fail to realize for many years always.

The utility model solves the technological scheme that its technical problem adopts: the round and smooth bending open-and-close mechanism of a kind of multiple tooth shaft staggered connection-rod linkage type, hinged between display device and pedestal, it is characterized in that, comprising:

Be parallel to each other, interval, successively order arrangement one first pivot, one second pivot, one the 3rd pivot, one the 4th pivot;

At least two connecting rod individual gears, connecting rod individual gears described in each is equipped with two axis holes, described connecting rod individual gears outside has gear tooth along the one end in axis hole line of centers direction described in two, wherein described two axis holes of at least one described connecting rod individual gears to be set on described first pivot and described second pivot and it to have one end of described gear tooth be in contiguous described second pivot, at least one connecting rod individual gears two described in axis hole to be set on described 3rd pivot and described 4th pivot and it to have one end of described gear tooth be in contiguous described 3rd pivot and engage each other with the gear tooth in the described connecting rod individual gears be sleeved on described first pivot and described second pivot,

At least one connecting rod Double-gear, it has two axis holes and is sleeved on described second pivot and described 3rd pivot, and described connecting rod Double-gear is equipped with gear tooth along the two ends in axis hole line direction described in two; Described connecting rod individual gears can with the axis relative rotation of described connecting rod Double-gear around both same installation pivots;

At least two individual gears, which is provided with an axis hole, wherein at least one described individual gears is sleeved on described first pivot, at least one described individual gears is sleeved on described 4th pivot, and each described individual gears outer peripheral portion is provided with gear tooth and engages each other with the described gear tooth on the described connecting rod Double-gear of adjacent side respectively; The described connecting rod individual gears that each described individual gears can be arranged on same pivot with it is around the relative rotation of pivotal axis same described in this;

At least two movable ear pages, the described individual gears wherein at least one described movable ear page and the first pivot is jointly around described first pivotal axis synchronous interaction rotation; Described individual gears at least on movable ear page described in another and the 4th pivot is jointly around described 4th pivotal axis synchronous interaction rotation.

Further, at least one movable ear page in described at least two movable ear pages is directly connected as synchronous hunting with the described individual gears be sleeved on described first pivot; Described at least another movable ear page is directly connected as synchronous hunting with the described individual gears be sleeved on described 4th pivot.

Further, described at least one movable ear page is connected with described first pivot and makes described first pivot be connected as synchronous rotation part with the described individual gears on described first pivot simultaneously, finally to ensure that described movable ear page and the described individual gears on described first pivot are jointly around the axis synchronous interaction rotation of described first pivot; Correspondingly, described at least another movable ear page is connected with described 4th pivot and makes described 4th pivot be connected as synchronous rotation part with the described individual gears on described 4th pivot simultaneously, finally to ensure that another movable ear page described and the described individual gears on described 4th pivot are jointly around the axis synchronous interaction rotation of described 4th pivot.

Further, also comprise at least three duplex friction plates, described duplex friction plate is provided with two axis holes, each described duplex friction plate is set in described first pivot and described second pivot, described second pivot and described 3rd pivot, described 3rd pivot and described 4th pivot are on totally three pairs of pivots, be sleeved on described first pivot and described second pivot, described 3rd pivot and described 4th pivot two described in duplex friction plate, separately and described second pivot can be sleeved on, described duplex friction plate on described 3rd pivot is respectively around the relative rotation of axis of same installation pivot, to form axially rotation frictional resistance moment relatively.

Further, described connecting rod Double-gear and/or described connecting rod individual gears and/or described individual gears, adopt Steel Sheet be also formed by stacking or form for powder metallurgy is integrally formed.

Further, the distribution of mutually engageable gear tooth is provided with in the relative rotation angle that at least any pair intermeshing described gear tooth is only given between, in addition then without intermeshing described tooth distribution, spacing to the scope of relative rotation angle to realize, also namely form what is called " gear point ".

Further, described first pivot, described second pivot, described 3rd pivot, described 4th pivot also comprise one group of axial elasticity compressing unit separately respectively, and described axial elasticity compressing unit comprises again at least one elastic washer, at least one locking nut; Described first pivot, described second pivot, described 3rd pivot, described 4th pivot all have a head blocked part and an axle portion, and described axle portion latter end is also provided with outside thread, and described locking nut is fastened on described outside thread; In order to axially connect and elastic compression is arranged on each described pivot each, to produce rotation frictional resistance moment having between the axial contact surface of each of relative swinging motion.

Further, to being arranged on described first pivot, described second pivot, described 3rd pivot, each on described 4th pivot, all its axially has axial direct contact surface each other and has the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in, one face is provided with a pair boss protruding vertically, another face is then provided with correspondence, adaptive a pair pit caved in vertically, agree with so that both relative rotations produce axial displacement when described boss aligns with described pit, and motionless and feel is blocked in formation relatively, thus convenience adjustable visual angle within the scope of specified angle.

Further, to each that is arranged on described each pivot, all axis have axial direct contact surface each other and have the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in, one face is provided with a pair boss protruding vertically, another side is also provided with a pair corresponding adaptive boss protruding vertically, so that both only can rotation mutually in the relative rotation angular range of specifying, exceed, because boss rotation both described is to mutually touching and backstop, namely carry out spacing to both scopes of relative rotation angle, also what is called " gear point " is namely formed.

Further, also comprise at least two and adjust thick hole pad, described tune thick hole pad is provided with an axis hole, and described tune thick hole pad is socketed on described first pivot and described 4th pivot respectively; Described tune thick hole pad meets required total thickness by arranging different-thickness specification or multiple superposition, the axial clearance occurred after installing each on described each pivot is clogged, not crooked when making each axially mutually to be compressed, not cantilever, thus contact is good in produce stable frictional resistance moment.

The utility model is owing to have employed complete various open-and-close mechanism different from the past, namely the brand-new round and smooth open-and-close mechanism of multiple tooth shaft staggered connection-rod linkage type, its structure is arranged in multiple individual gears on multiple pivot and multiple connecting rod individual gears and connecting rod Double-gear (namely also simultaneously playing short connecting rod except the engagement of one or both ends) and the duplex friction plate across shaft staggered arrangement by across shaft staggered, by each conjunction each other enforceable gear precisely engage, mutually keep in check when making it rotation, constraint, each movable ear page, each band tooth connecting rod and each axle are each other by strictly synchronous as similar to Clock and Watch, linkage swinging turns on conjunction, make open-and-close mechanism entirety in the winding method continuous arc bending deflection folding rotation becoming arc curvature continuously gradually, can realize by different concave cam mechanism when needs special angle is located, be convenient to adjustable visual angle and feel angle, when needing to realize maximum folding angular range spacing, or can come spacing by two to cam in opposite directions by the specific distribution of gear tooth quantity, the suitable feel resisting moment of folding rotation is by acquisitions such as the single, double gear of each connecting rod of elastic compression unit axial compression, individual gears, duplex friction plates.Finally achieve the fashion type mechanism that people pursue always.

The beneficial effects of the utility model also have, this open-and-close mechanism can utilize more fully and more reasonably arrange in the space of display device and pedestal or position lays open/close device, freedom is brought to the setting of other part, particularly can realize the rounding off of complete machine folding rotation process hub knob open-and-close mechanism position deformation in overall appearance, during folding rotation, along with the continuous rotation of movable ear page, pivot joint open-and-close mechanism position can be out of shape with the arc-shaped bend of approximate continuous gradual change arc curvature and form the sense of nature winding, thus now more and more following the fashion the age aesthetic with emphasis outward appearance more, achieve the hope of the round and smooth bending folding of computer that people fail to realize for many years always.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is that axle of the present utility model surveys tectonic maps.

Fig. 2 is that axle of the present utility model surveys decomposition tectonic maps.

Fig. 3 is the partial enlarged drawing at A place in Fig. 2.

Fig. 4 is the axonometric drawing of the utility model a certain work rotation angle state.

Fig. 5 is many covers the utility model structural representation that as installed connects display device and pedestal.

Embodiment

See Fig. 1, Fig. 2, Fig. 4, the round and smooth bending open-and-close mechanism of a kind of multiple tooth shaft staggered connection-rod linkage type, hinged between display device 31 and pedestal 32, is characterized in that, comprising:

Be parallel to each other, interval (in this example, its interval is equal), successively order arrangement one first pivot 11,1 second pivot 12, the 3rd pivot 13, the 4th this example of pivot 14(in, be steel axle).

It is 4 at least two these examples of connecting rod individual gears 70(, the similar wasp waist shape of its profile, be steel), connecting rod individual gears 70 described in each is equipped with two axis holes, described connecting rod individual gears 70 outside has in this embodiment of gear tooth 40(along the one end in axis hole line of centers direction described in two, all parts including described gear tooth 40, and material is steel or powder metallurgy, lower same, repeat no more, in addition, because real work rotation angular range can not be very large, obvious described gear tooth 40 only need have the gear teeth just having in local engagement claimed range, need not make more complete gear, with simplified structure, reduce processing charges, also for this reason, the following content of this embodiment is all relates to all processing with reference to this of described gear tooth 40 content, lower same, repeat no more), wherein described two axis holes of at least one described connecting rod individual gears 70 are set with (notice that so-called suit one word is existing in the following to explain especially) on described first pivot 11 and described second pivot 12 it has one end of described gear tooth 40 be in contiguous (mainly in order to realize following engaging each other) described second pivot 12, at least one connecting rod individual gears 70 two described in axis hole to be set on described 3rd pivot 13 and described 4th pivot 14 and it to have one end of described gear tooth 40 be in contiguous described 3rd pivot 13 and engage each other with the gear tooth 40 in the described connecting rod individual gears 70 be sleeved on described first pivot 11 and described second pivot 12.

At least one (this example is 1) connecting rod Double-gear 80, it has two axis holes and is set with (noticing that so-called suit one word is existing in back to back following content to explain especially) on described second pivot 12 and described 3rd pivot 13, described connecting rod Double-gear 80 is equipped with gear tooth 40 along the two ends in axis hole line direction described in two; Described connecting rod individual gears 70 can around the axis of both same installation pivots, relative to rotation, (both described relative rotations be very important here with described connecting rod Double-gear 80, be the requirement of practical function, whether want pivotable to obey as one of both or both with the pivot 10 that it is set with and realize this relative rotation function; Therefore allly in the present embodiment relate to described suit one word, not representing necessarily can pivotable, and will determine pivotable or affixed according to actual needs, first what have relative rotation function if required should meet this functional requirement; For the sake of simplicity, described suit in present embodiment is generally all pivotable except specified otherwise, obviously emphasis is the described relative rotation of practical function here, as long as can meet relative rotation function, the concrete and pivot 10 of described suit is pivotables or affixedly can determines according to reality; Certainly relative rotation functional requirement is not had just only need to determine by concrete condition; Allly in this embodiment relate to suit and relative all herewith the explaining of rotation content, lower with, repeat no more).

At least two individual gears 90, which is provided with an axis hole, wherein at least one described individual gears 90 is sleeved on described first pivot 11, at least one described individual gears 90 is sleeved on described 4th pivot 14, and each described individual gears 90 outer peripheral portion is provided with gear tooth 40 and engages each other with the described gear tooth 40 on the described connecting rod Double-gear 80 of adjacent side respectively; The described connecting rod individual gears 70 that each described individual gears 90 can be arranged on same pivot with it is around the relative rotation of pivotal axis same described in this.

At least two movable these examples of ear page 30(are two movable ear pages 30, which is provided with and connect display device 31 or connect the mounting hole of pedestal 32), wherein at least one described movable ear page 30 and the described individual gears 90 on the first pivot 11 are jointly around described first pivot 11 axis synchronous interaction rotation; Described individual gears 90 at least on movable ear page 30 described in another and the 4th pivot 14 jointly around described 4th pivot 14 axis synchronous interaction rotation (obviously, which the connection display device 31 concrete of movable ear page 30 described in two, which connects pedestal 32 can unrestricted choice, corresponding described movable ear page 30 own form and on position of mounting hole quantity etc. all, corresponding adjustment, this is obvious, also very simple, for sake of convenience, what the utility model generally no longer specifically distinguished described movable ear page 30 connection is display device 31 or pedestal 32).

Further, at least one movable ear page 30 in described at least two movable ear pages 30 is directly connected with the described individual gears 90 be sleeved on described first pivot 11, and (this example is that powder smelting is integrally formed, certainly assembling also can be adopted to be connected or to weld to be connected, or the known technology such as one cold-heading extrusion moulding, therefore do not repeat, as long as be fixed into synchronous rotation) be synchronous hunting; Described at least another movable ear page 30 is directly connected with the described individual gears 90 be sleeved on described 4th pivot 14, and (this example is that powder smelting is integrally formed, certainly assembling also can be adopted to be connected or to weld to be connected, or the known technology such as one cold-heading extrusion moulding, therefore do not repeat, as long as be fixed into synchronous rotation) be synchronous hunting.

Further, described at least one movable ear page 30 is connected with described first pivot 11 (to be advised adopting and assembles clinching method and be connected, certainly the known methods such as welding also can be adopted to be connected) and make described first pivot 11 be connected with the described individual gears 90 on described first pivot 11 (being connected by section both adopting is that adaptive non-circular shaft is connected with hole structure simultaneously, this structure is convenient to processing and assembling, though the relative displacement between axial both not necessarily limiting, but synchronous interaction rotation both at least ensureing, certainly should notice that hole and axle are all adaptive non-circular section, such as kidney-shaped section etc., this belongs to known connecting means, ensure as long as final described movable ear page 30 can with described individual gears 90 synchronous interaction rotation, obviously other known linkage structure technology can also be adopted, such as adopt the known technologies such as the connection being directly welded to connect or adopting gear shaft integrally formed, similar be connected lower with, do not repeat, as long as synchronous rotation) be synchronous rotation part, finally to ensure that described movable ear page 30 and the described individual gears 90 on described first pivot 11 are jointly around the axis synchronous interaction rotation of described first pivot 11, correspondingly, described at least another movable ear page 30 is connected with described 4th pivot 14 (to be advised adopting and assembles riveted joint and be connected, certainly the known methods such as welding also can be adopted to be connected) and make described 4th pivot 14 and the described individual gears 90 on described 4th pivot 14 be connected (being connected described in content with this section) for synchronous rotation part simultaneously, (obvious with the axis synchronous interaction rotation of the described individual gears 90 on described 4th pivot 14 jointly around described 4th pivot 14 finally to ensure another movable ear page 30 described, only finally to ensure above described movable ear page 30 can with described individual gears 90 synchronous interaction rotation, this is only most important, obviously its concrete structure can adopt and more belong to known interconnection technique, method, suggestion adopt section be adaptive non-circular shaft, hole assembling type as well, relatively simple and convenient, be easy to assembling).

Further, also comprising quantity at least three these examples of duplex friction plate 60(is 3, and material is steel class or powder smelting, and profile is also kidney-shaped, general quantity increases, frictional force can corresponding increase), described duplex friction plate 60 is provided with two axis holes, each described duplex friction plate 60 is set with (the described suit meaning is with aforementioned) at described first pivot 11 and described second pivot 12, described second pivot 12 and described 3rd pivot 13, described 3rd pivot 13 is with on described 4th pivot 14 totally three pairs of pivots, be sleeved on described first pivot 11 and described second pivot 12, described 3rd pivot 13 and described 4th pivot 14 two described in duplex friction plate 60, separately and described second pivot 12 can be sleeved on, described duplex friction plate 60 on described 3rd pivot is respectively around the relative rotation of axis of same installation pivot, to be formed axially relatively, rotation frictional resistance moment is (obvious, in fact the part producing this frictional resistance moment of having ready conditions has a lot, as aforementioned all with as described in gear tooth 40 its phase mutual surface of contact of part between etc., as long as now its phase mutual axial compression and have relative rotation to produce frictional resistance moment).

Further, described connecting rod Double-gear 80 and/or (and/or meaning all select as required or select one) described connecting rod individual gears 70 and/or described individual gears 90, adopt Steel Sheet and be formed by stacking or form that (superimposed is because being convenient to use sheet metal drawing for powder metallurgy is integrally formed, and the total thickness also can be convenient to needed for adjustment is to meet gear teeth meshing intensity, certainly also can be powder metallurgy integrally formed, certainly also have direct machining shaping or upsetting extrusion etc.).

Further, at least any pair intermeshing described gear tooth 40(and all aforementioned mention have can selecting of intermeshing described gear tooth 40 in pairs) be provided with mutually engageable gear tooth 40 in only given between relative rotation angle and distribute, in addition then without intermeshing described tooth distribution, spacing to the scope of relative rotation angle to realize, also what is called " gear point " is namely formed (namely when display device 31 needs to realize maximum folding angular range spacing, can come spacing by the quantity of mutually engageable described gear tooth 40 and distribution, should note, engaging each other in rotation as having one to be engaged to last tooth in both, follow-uply anodontialy to distributed, even if now another also has unnecessary tooth number obviously not meet both above-mentioned mutually engageable requirements, therefore obviously also can not continue engagement rotation, therefore angular range spacing time should consider this situation, these unnecessary tooth numbers can be considered as not having the gear teeth to treat, this be with aforementioned mutually engageable require reconcilable).

Further, described first pivot 11, described second pivot 12, described 3rd pivot 13, described 4th pivot 14 also comprises one group of axial elasticity compressing unit 50 separately respectively, described axial elasticity compressing unit 50 comprises again at least one elastic washer 51, and (this example adopts the described elastic washer 51 of multiple bowl-type, the elastic washer 51 of each described bowl-type is compressed on a small quantity and is produced a small amount of compression displacement, during total like this compression, the compression stroke summation of accumulation elasticity axial displacement will strengthen, with reduce each by compression piece because frequent rotation is is relatively worn and torn, thickness affects ratio to this elastic compression stroke after reducing, these are known technology, do not repeat)), at least one locking nut 52(obviously also can adopt locking nut check), described first pivot 11, described second pivot 12, described 3rd pivot 13, described 4th pivot 14 all has a head blocked part 57 (need lock as axle there being locking nut 52, its section of described blocked part 57 is preferably non-circular, such as hexagon, to be convenient to instrument set when tightening locking nut 52, these are also known technology and do not repeat) and its section configuration of an axle portion 58(can according to actual needs for circular or non-circular, as kidney-shaped etc., one coordinates the pore cross section shape of its other part be set with jointly to determine both whether synchronous hunting above), described axle portion 58 latter end is also provided with outside thread 55, described locking nut 52 is fastened on described outside thread 55 and (is used for locking and compressing described elastic washer 51 and other each, generally also can comprise a round-meshed plain washer 54 in center is enclosed within pivot 10, for preventing other important parts surface failure, separately also can comprise the plain washer 53 with non-circular hole, locking for locking nut 52, certainly now described outside thread 55 sections of covers have the axial section in the length section of described non-circular hole plain washer 53 also to should be suitable non-circular with described non-circular hole, this example is kidney-shaped section, i.e. two side millings flat 56, these are known technology, do not repeat), in order to axially connection and elastic compression are arranged on each (attention on each described pivot 10, each the word occurred in this embodiment, refer to above-mentioned each described connecting rod Double-gear 80 and/or described connecting rod individual gears 70 and/or described individual gears 90 and/or described duplex friction plate 60, lower same, no longer repeat), to produce rotation frictional resistance moment having between the axial contact surface of each of relative swinging motion.

Please be simultaneously shown in Figure 3 especially, further, to being arranged on described first pivot 11, described second pivot 12, described 3rd pivot 13, each (the same indication of the meaning of each on described 4th pivot 14, as as described in connecting rod Double-gear 80 and/or as described in connecting rod individual gears 70 and/or as described in individual gears 90 and/or as described in duplex friction plate 60), all its axially has axial direct contact surface each other and has the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in (this example for the machining gears gear teeth conveniently, do not get the surface of contact respectively having rotation in described connecting rod Double-gear 80 and/or described connecting rod individual gears 70 and/or described individual gears 90 each other, but the surface of contact taken between the described later two described duplex friction plates 60 having a relative rotation, see below), one face is provided with a pair boss 25 protruding vertically, another face is then provided with correspondence, adaptive a pair pit 26 caved in vertically, agree with so that both relative rotations produce axial displacement when described boss 25 aligns with described pit 26, and motionless and feel is blocked in formation relatively, thus (this is common " crossing point " structure to facilitate adjustable visual angle within the scope of specified angle, for industry known technology, therefore do not repeat, suggestion preferably has described surface of contact to both and both are enforcement said structures of metallic sintered products, mainly can distributed load as its effect of the multiple described surface of contact of multiselect, suggestion only selects a surface of contact to do concaveconvex structure, relatively easy).

Please be simultaneously shown in Figure 3 especially, further, to each that is arranged on described each pivot (each the same indication of the meaning, as as described in connecting rod Double-gear 80 and/or as described in connecting rod individual gears 70 and/or as described in individual gears 90 and/or as described in duplex friction plate 60), all axis have axial direct contact surface each other and have the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in (this example for the machining gears gear teeth conveniently, do not get the surface of contact respectively having rotation in described connecting rod Double-gear 80 and/or described connecting rod individual gears 70 and/or described individual gears 90 each other, but take from two and have two faces of the surface of contact between the described duplex friction plate 60 of relative rotation to do protruding structure respectively), one face is provided with a pair boss 25 protruding vertically, another side is also provided with angular range shared by a pair corresponding adaptive each described boss 25 of boss 25(protruding vertically should require to determine by the spacing angular range needed for reality, notice that two boss 25 should be parallel to axis for relative rotation as far as possible to touching spacing mutual collision plane during the limit, in case exert oneself, during rotation, slippage was lost efficacy in the past, the concrete shape of each described boss 25 can make the appropriate adjustments as required, need not be just the same), so that both only can rotation mutually in the relative rotation angular range of specifying, exceed, because boss both described 25 rotation is to mutually touching and backstop, namely carry out spacing to both scopes of relative rotation angle, (this structure is also industry known technology, therefore does not repeat also namely to form what is called " gear point ", advise that the best part at both powder metallurgy implements this boss 25 structure, than being easier to, surface of contact effect described in multiselect is just all carried, and suggestion only selects two faces of a surface of contact wherein to do concaveconvex structure).

Further, also comprise at least two and adjust thick hole pad 20, described tune thick hole pad 20 is provided with an axis hole (this example is formed by stacking after adopting steel plate punched for the sake of simplicity, certainly can powder metallurgy formation), and described tune thick hole pad 20 is socketed on described first pivot 11 respectively with on described 4th pivot 14, described tune thick hole pad 20 meets required total thickness by arranging different-thickness specification or multiple superposition, clog for installing the rear axial clearance occurred to each on described each pivot 10, not crooked when making each axially mutually to be compressed, cantilever is not (obviously, this is because structure needs, each adopt with each other on four described pivots 10 be mostly staggered or claim intercross arrangement to be sleeved on described pivot 10, some pivots will inevitably there is axial local neutral gear, as now by force each of axial compression these parts will be made to be pressed crooked or cantilever position, in fact on the pivot 10 had each cannot compacting, frictional resistance moment required when normally can not produce relative rotation, as described in certain root, pivot does not have this axial clearance just as described in using, to adjust thick hole pad 20 certainly), thus contact is well to produce stable frictional resistance moment.(in addition, incidentally, if described tune thick hole pad 20 when the section of the shaft part at the cover place of institute of its axis hole and corresponding overlapped described pivot 10 is adaptive non-circular time, namely when both are synchronous rotation part, now as described in tune thick hole pad 20 have axial surface of contact with other each (each is looked like indication still as previously mentioned) and both have a relative rotation time, also the aforesaid selection about surface of contact can be participated in, aforesaid what is called " excessively point " and/or " gear point " structure can be set two faces on the surface of contact that this has relative rotation, may be simpler, but because of similar, therefore just do not repeated here).

See Fig. 5, the utility model reality is connected when applying between display device 31 with pedestal 32 generally at least overlaps as well with two, left and right is each a set of, suggestion employing four is overlapped, each two covers in left and right, to reduce because group number is few, it is easily stressed larger and concentrated and damage that display device 31 and pedestal 32 install described movable ear page 30 place, can share by establishing a few cover more, uniform suffered power, avoid display device 31 and pedestal 32 that the damage at described movable ear page 30 place is installed; Obviously, not necessarily need often to overlap when installing many covers and described duplex friction plate 60 is all installed, specifically can be as required, such as can produce required enough frictional force certainly also just without the need to separately installing described duplex friction plate 60 additional, with simplified structure by means of only what compress that each pivot 10 is set with each of described gear tooth 40; As for above-mentioned mention about " cross point " and the concavo-convex class formation of the limit spacing " gear point ", also not necessarily to often overlap inside and all need, spacing requirement can be met as long as satisfied, simply as well, can economize and then economize.

The utility model is due to complete various open-and-close mechanism different from the past, namely have employed the brand-new round and smooth open-and-close mechanism of multiple tooth shaft staggered connection-rod linkage type, its structure is arranged in multiple individual gears on multiple pivot and multiple two class connecting rod individual gears and connecting rod Double-gear (namely also simultaneously playing short connecting rod except the gears meshing effect of one or both ends) by across shaft staggered, by each conjunction each other, mandatory alternately, synchronously gear precisely engages, hold each other back each other when making it rotation, constraint, each movable ear page, each individual gears, each connecting rod list Double-gear and each axle are strictly pressed as similar to Clock and Watch synchronous each other, interlock rotation, make open-and-close mechanism entirety in the winding method continuous arc bending deflection folding rotation becoming arc curvature continuously gradually, can realizing by concave cam mechanism when needs special angle is located, be convenient to adjustable visual angle and feel angle, when needing to realize maximum folding angular range spacing, or can come spacing by two cam stops in opposite directions by the specific distribution of gear tooth quantity, and the relative rotation surface of contact that the suitable feel resisting moment of folding rotation is compressed between each link gear, individual gears, duplex friction plate etc. by elastic compression unit shaft obtains, finally achieve the fashion type open-and-close mechanism that people pursue for a long time always.

The beneficial effects of the utility model also have, this open-and-close mechanism can utilize more fully and more reasonable in the space of display device and pedestal or position, other device is laid in setting, particularly can realize the rounding off of complete machine folding rotation process hub knob open-and-close mechanism position deformation in overall appearance, during folding rotation, along with the continuous rotation of loose-leaf, pivot open-and-close mechanism position can be out of shape with the arc-shaped bend of approximate continuous gradual change arc curvature and form the sense of nature winding, thus now more and more following the fashion the age aesthetic with emphasis outward appearance more, achieve the hope of the round and smooth bending folding of computer that people fail to realize for many years always.

Claims (10)

1. the round and smooth bending open-and-close mechanism of multiple tooth shaft staggered connection-rod linkage type, hinged between display device and pedestal, is characterized in that, comprising:

Be parallel to each other, interval, successively order arrangement one first pivot, one second pivot, one the 3rd pivot, one the 4th pivot;

At least two connecting rod individual gears, connecting rod individual gears described in each is equipped with two axis holes, described connecting rod individual gears outside has gear tooth along the one end in axis hole line of centers direction described in two, wherein described two axis holes of at least one described connecting rod individual gears to be set on described first pivot and described second pivot and it to have one end of described gear tooth be in contiguous described second pivot, at least one connecting rod individual gears two described in axis hole to be set on described 3rd pivot and described 4th pivot and it to have one end of described gear tooth be in contiguous described 3rd pivot and engage each other with the gear tooth in the described connecting rod individual gears be sleeved on described first pivot and described second pivot,

At least one connecting rod Double-gear, it has two axis holes and is sleeved on described second pivot and described 3rd pivot, and described connecting rod Double-gear is equipped with gear tooth along the two ends in axis hole line direction described in two; Described connecting rod individual gears can with the axis relative rotation of described connecting rod Double-gear around both same installation pivots;

At least two individual gears, which is provided with an axis hole, wherein at least one described individual gears is sleeved on described first pivot, at least one described individual gears is sleeved on described 4th pivot, and each described individual gears outer peripheral portion is provided with gear tooth and engages each other with the described gear tooth on the described connecting rod Double-gear of adjacent side respectively; The described connecting rod individual gears that each described individual gears can be arranged on same pivot with it is around the relative rotation of pivotal axis same described in this;

At least two movable ear pages, the described individual gears wherein at least one described movable ear page and the first pivot is jointly around described first pivotal axis synchronous interaction rotation; Described individual gears at least on movable ear page described in another and the 4th pivot is jointly around described 4th pivotal axis synchronous interaction rotation.

2. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of one according to claim 1, is characterized in that: at least one movable ear page in described at least two movable ear pages is directly connected as synchronous hunting with the described individual gears be sleeved on described first pivot; Described at least another movable ear page is directly connected as synchronous hunting with the described individual gears be sleeved on described 4th pivot.

3. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of one according to claim 1, it is characterized in that: described at least one movable ear page is connected with described first pivot and makes described first pivot be connected as synchronous rotation part with the described individual gears on described first pivot simultaneously, finally to ensure that described movable ear page and the described individual gears on described first pivot are jointly around the axis synchronous interaction rotation of described first pivot; Correspondingly, described at least another movable ear page is connected with described 4th pivot and makes described 4th pivot be connected as synchronous rotation part with the described individual gears on described 4th pivot simultaneously, finally to ensure that another movable ear page described and the described individual gears on described 4th pivot are jointly around the axis synchronous interaction rotation of described 4th pivot.

4. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of one according to claim 1, it is characterized in that: also comprise at least three duplex friction plates, described duplex friction plate is provided with two axis holes, each described duplex friction plate is set in described first pivot and described second pivot, described second pivot and described 3rd pivot, described 3rd pivot and described 4th pivot are on totally three pairs of pivots, be sleeved on described first pivot and described second pivot, described 3rd pivot and described 4th pivot two described in duplex friction plate, separately and described second pivot can be sleeved on, described duplex friction plate on described 3rd pivot is respectively around the relative rotation of axis of same installation pivot, to form axially rotation frictional resistance moment relatively.

5. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of one according to claim 1, it is characterized in that: described connecting rod Double-gear and/or described connecting rod individual gears and/or described individual gears, adopt Steel Sheet be also formed by stacking or form for powder metallurgy is integrally formed.

6. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of one according to claim 1, it is characterized in that: in the relative rotation angle that at least any pair intermeshing described gear tooth is only given between, be provided with the distribution of mutually engageable gear tooth, in addition then without intermeshing described tooth distribution, spacing to the scope of relative rotation angle to realize, also namely form what is called " gear point ".

7. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of the one according to claim 1 or 4, it is characterized in that: described first pivot, described second pivot, described 3rd pivot, described 4th pivot also comprise one group of axial elasticity compressing unit separately respectively, and described axial elasticity compressing unit comprises again at least one elastic washer, at least one locking nut; Described first pivot, described second pivot, described 3rd pivot, described 4th pivot all have a head blocked part and an axle portion, and described axle portion latter end is also provided with outside thread, and described locking nut is fastened on described outside thread; In order to axially connect and elastic compression is arranged on each described pivot each, to produce rotation frictional resistance moment having between the axial contact surface of each of relative swinging motion.

8. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of the one according to claim 1 or 4, it is characterized in that: to being arranged on described first pivot, described second pivot, described 3rd pivot, each on described 4th pivot, all its axially has axial direct contact surface each other and has the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in, one face is provided with a pair boss protruding vertically, another face is then provided with correspondence, adaptive a pair pit caved in vertically, agree with so that both relative rotations produce axial displacement when described boss aligns with described pit, and motionless and feel is blocked in formation relatively, thus convenience adjustable visual angle within the scope of specified angle.

9. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of the one according to claim 1 or 4, it is characterized in that: to each that is arranged on described each pivot, all axis have axial direct contact surface each other and have the relative rotation of same pivotal axis around common suit between contact two faces, then at least get direct contact surface described in, one face is provided with a pair boss protruding vertically, another side is also provided with a pair corresponding adaptive boss protruding vertically, so that both only can rotation mutually in the relative rotation angular range of specifying, exceed, because boss rotation both described is to mutually touching and backstop, namely carry out spacing to both scopes of relative rotation angle, also what is called " gear point " is namely formed.

10. the round and smooth bending open-and-close mechanism of the multiple tooth shaft staggered connection-rod linkage type of the one according to claim 1 or 4, it is characterized in that: also comprise at least two and adjust thick hole pad, described tune thick hole pad is provided with an axis hole, and described tune thick hole pad is socketed on described first pivot and described 4th pivot respectively; Described tune thick hole pad meets required total thickness by arranging different-thickness specification or multiple superposition, the axial clearance occurred after installing each on described each pivot is clogged, not crooked when making each axially mutually to be compressed, not cantilever, thus contact is good in produce stable frictional resistance moment.