CN104165181A

CN104165181A - Bidirectionally-openable connection device

Info

Publication number: CN104165181A
Application number: CN201310353950.8A
Authority: CN
Inventors: 许有村; 叶荫民
Original assignee: Jarllytec Co Ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2013-05-17
Filing date: 2013-08-14
Publication date: 2014-11-26
Anticipated expiration: 2033-08-14
Also published as: CN104165181B; CN104165180A; CN104165180B

Abstract

The invention provides a bidirectionally-openable connection device. The bidirectionally-openable connection device comprises a support, a corresponding support closed at the support and two connection rods. The two connection rods are parallel with each other and are respectively parallel with the support and the corresponding support. Two ends of each one of the connection rods are respectively in a pivot connection relationship with the support and the corresponding support so that the corresponding support can be opened towards one end of the support or be opened towards one opposite end of the support and thus bidirectional opening motion is formed.

Description

Connection set that can two-way folding

Technical field

The present invention relates to a kind of connection set that can two-way folding, relate in particular to a kind of be applicable to install have display device electronic product can two-way folding connection set, make this display device can form the two-way effect of opening; Described display device is to be screen or touch control screen.

Background technique

General electronic products by screen and body (for example: keyboard is mainly, photographing apparatus, expansion seat) institute forms, and along with scientific and technological progress, electronic product (for example: digital camera, notebook computer, mobile phone ... Deng) volume size also to some extent reduction, and the screen of electronic product also changes touch control screen gradually into, so that on usage operation, can make screen (or touch control screen) form flip horizontal action with respect to body, it is even vertical rotary action, realize mechanism or the device of above-mentioned flip horizontal action, can adopt a kind of " double-axis hinge " No. M441303rd, TaiWan, China patent gazette (can consult " slimming double-axis hinge "), it is mainly by two support bodys that link sheet forms parallel to each other, parallel the first rotating shaft and the second rotating shaft that is arranged in two link sheets forms, described first, the second rotating shaft is arranged askew when closed 0 spends, make mutually closed screen and body form the effect of slimming, in addition, realization has mechanism or the device of above-mentioned flip horizontal and vertical rotary action concurrently, can adopt a kind of " Double-shaft rotary pivot device " No. M368727th, TaiWan, China patent gazette (can consult " pivot device of Rotatable displacement "), it is mainly the support that has side plate by, three rotating shafts, two fixing frames and a fixed plate form, these three rotating shafts are respectively two the first rotating shafts that are horizontally placed on rack side plate, and the second rotating shaft that is vertically installed in support, two fixing frames arrange respectively the axle head of two the first rotating shafts, this fixed plate is arranged at the axle head of the second rotating shaft, and this pivot device arranges two projections in movable cam, stationary cam setting has the first guiding block and second guiding block of guiding curved surface, when screen rotates unlatching, its support drives the axle of first rotating shaft of being fixed on support, and the movable cam that is sheathed on axle is with turning, projection moves and makes movable cam along guiding curved surface, axle, support displacement, make screen gradually toward outer displacement simultaneously, distance between elongation and body (being host shell), so that can flashing body fuselage, successfully opens by screen, and and can be very close to each other between screen.

Summary of the invention

The double-axis hinge that No. M441303rd, above-mentioned patent gazette, the Double-shaft rotary pivot device of No. M368727, all because of itself, arrange in pairs or groups and have support body (two connecting sheets), support or fixing frame, make integral thickness (or height) can take installing space, when being installed on screen (or touch control screen), body, need to there be enough dimensional space (for example: the accommodating degree of depth) for pivot device, insert, the effect that therefore makes screen (or touch control screen) or body reach slimming limits to some extent; On the other hand, tradition screen is only unidirectional flip horizontal, can not overturn for two-way horizontal, to such an extent as to when the screen of design digital camera, easily be subject to function key setting position or body fuselage appearance impact and limited, therefore above-mentioned two shortcomings are the problem points that wish of the present invention solves.

Therefore, in order to address the above problem, object of the present invention, be to provide a kind of connection set that can two-way folding, by screen and the body of two mutually involutory supports difference connecting electronic products, two connecting rods parallel to each other of arranging in pairs or groups make the whole slimming effect that forms of connection set when closure, when opening, make screen can form along with two connecting rods the effect of opening of relative both direction, and then allow screen sequentially open to property and closure.

Another object of the present invention is to provide a kind of can two-way folding and have the connection set that torsion changes function concurrently, by two supports mutually involutory and the pivot-connecting position between two connecting rods, set up pivot device, except still allow integral body there is the effect of slimming and allow each connecting rod respectively along with this correspondence support toward different direction sequentially open to property and closure, also make two-way opening and closing movement all there is torsion and change.

Another object of the present invention is to provide a kind of can two-way folding and have the connection set of rotary buckle function concurrently, by setting up buckle structure between two supports mutually involutory, with when this correspondence support carries out two-way opening and closing movement with respect to this support, except the effect such as possess that whole slimming, each connecting rod stablize that this correspondence support sequentially opens to property and closed, also with the effect of rotatable buckle, to promote the stability of rotary movement, prevent the situation that this correspondence support gets loose in umklapp process.

To achieve these goals, the invention provides a kind of connection set of two-way folding, the technological scheme of its realization comprises: support; Corresponding support, its closure is in this support; And two connecting rods, be set parallel to each other, each connecting rod is parallel this support and this correspondence support respectively, and the two ends of each connecting rod are articulated in respectively this support and this correspondence support, make this correspondence support toward an extreme direction of this support, open or to open toward the opposite end direction of this support, form two-way opening and closing movement.

Equally to achieve these goals, the invention provides a kind of connection set of two-way folding, the technological scheme of its realization comprises: support, and its opposite end is respectively equipped with the 3rd pin-joint part and the 4th pin-joint part; Corresponding support, its closure is in this support, and the opposite end of this correspondence support is respectively equipped with the first pin-joint part and the second pin-joint part; And two connecting rods, be set parallel to each other, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod take respectively second and third pin-joint part as axis of rotation, an extreme direction of past this support opens, or makes this correspondence support and another connecting rod take respectively first, fourth pin-joint part as axis of rotation, opposite end direction toward this support is opened, and forms two-way opening and closing movement.

Also to achieve these goals, the invention provides a kind of connection set of two-way folding, the technological scheme of its realization comprises: support, and its body is interval with the 3rd pin-joint part and the 4th pin-joint part; Corresponding support, it is articulated in this support and closure mutually, and the body of this correspondence support is interval with the first pin-joint part and the second pin-joint part; And two connecting rods, be set parallel to each other between the support and corresponding support of mutual closure, wherein, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod take respectively second and third pin-joint part as axis of rotation, an extreme direction toward this support opens, or make this correspondence support and another connecting rod take respectively first, fourth pin-joint part as axis of rotation, opposite end direction toward this support is opened, and forms two-way opening and closing movement.

Also to achieve these goals, the invention provides a kind of connection set of two-way folding, the technological scheme of its realization comprises: support, and it is interval with the 3rd pin-joint part and the 4th pin-joint part, corresponding support, it is articulated in this support and closure mutually, and this correspondence spacer support frame is provided with the first pin-joint part and the second pin-joint part, two pivot devices, are set parallel to each other in the relative both sides of this support or this correspondence support, make each pivot device lay respectively at the 3rd pin-joint part and the 4th pin-joint part, or make each pivot device lay respectively at the first pin-joint part and the second pin-joint part, and two connecting rods, be set parallel to each other in the relative both sides of support and the corresponding support of mutual closure, wherein, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod respectively with second, three pin-joint parts are axis of rotation, an extreme direction toward this support opens and produces the first torsion variation, or make this correspondence support and another connecting rod respectively with first, four pin-joint parts are axis of rotation, toward the opposite end direction of this support, opening and produce the second torsion changes, thereby making two-way opening and closing movement all have torsion changes.

In addition, in order to reach above-mentioned purpose, the invention provides a kind of connection set of two-way folding, the technological scheme of its realization comprises: support, corresponding support, it is articulated in this support and closure mutually, buckle structure, it includes fastener and the corresponding fastener mutually setting, this fastener is located at the side of this support, and this correspondence fastener is located at the side of this correspondence support, can clutch and is rotatably snapped in the opposite end of this correspondence fastener in one end of this fastener, can clutch and be rotatably snapped in one end of this correspondence fastener in the opposite end of this fastener, and two connecting rods, be set parallel to each other in the relative both sides of support and the corresponding support of mutual closure, wherein, the two ends of a connecting rod are one end of this support of pivot joint and the opposite end of this correspondence support respectively, the two ends of another connecting rod are the opposite end of this support of pivot joint and one end of this correspondence support respectively, this correspondence support and connecting rod are opened toward an extreme direction of this support, and one end of this fastener is rotatably snapped in the opposite end of this correspondence fastener, or this correspondence support and another connecting rod are opened toward the opposite end direction of this support, and the opposite end of this fastener is rotatably snapped in one end of this correspondence fastener, form two-way opening and closing movement.

In sum, the invention provides a kind of connection set that can two-way folding, it comprises support, the Combination Design of corresponding support and two connecting rods, by screen and the body of two mutually involutory supports difference connecting electronic products, two connecting rods parallel to each other of arranging in pairs or groups, make to have the effect of bidirectional opening, when closure, make the whole slimming effect that forms of connection set, when opening, make screen can form along with two connecting rods the effect of opening of relative both direction, and then allow screen sequentially open to property and closure, while being applied to the photographing apparatuss such as digital camera, can be according to height, low camera site is adjusted screen and is opened toward correspondence direction, person easy to use watches, and when closure, can make whole form slimming and design to reduce volume, allow integral thickness not be subject to the support body impacts such as support and can be equal to the thickness of pivot device, and then easily hide and be arranged at screen or organism sidewall, not only attractive in appearance but also easy to use.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of connection set when closure that can two-way folding of the present invention.

Fig. 2 is the action schematic diagram that the corresponding support of Fig. 1 opens toward a direction.

Fig. 3 is that the corresponding support of Fig. 2 opens to being the action schematic diagram of 180 degree with support.

Fig. 4 is the action schematic diagram that the corresponding support of Fig. 1 opens toward other direction.

Fig. 5 is that the connection set of Fig. 3 is set up the three-dimensional exploded view of pivot in pivot-connecting positions such as each connecting rod and first, second, third and fourth bending plate.

Fig. 6 be the corresponding support of Fig. 5 after setting up pivot, the enforcement illustration arranging with respect to support translation.

Fig. 7 be the support of Fig. 5 after setting up pivot, the enforcement illustration arranging with respect to corresponding support translation.

Fig. 8 is the action schematic diagram that opens toward opposite end direction of the corresponding support of the present invention's the first example (be adopt the corresponding support of Fig. 3 arrange in pairs or groups the embodiment of other support) in figure.

Fig. 9 is the action schematic diagram (third and fourth pin-joint part is the embodiment that rack body is located at interval) that the corresponding support of the first example opens toward an extreme direction.

Figure 10 is the action schematic diagram that the corresponding support of the present invention's the second example opens toward opposite end direction.

Figure 11 is the exploded view of Fig. 9.

Figure 12 is each pivot device of the second example embodiment's of comprising pivot, at least one cam and at least one elastic element schematic perspective view.

Figure 13 is the schematic perspective view that each pivot device of the second example comprises pivot and clad structure enforcement.

Figure 14 is the schematic perspective view that the 3rd example has additional the embodiment of a buckle structure.

Figure 14 A is the decomposing schematic representation of the buckle structure of Figure 14.(in figure, the state of bayonet arrangement is while being applied to the closed support of corresponding support)

Figure 15 is the action schematic diagram that the corresponding support of the present invention's the 3rd example opens toward an extreme direction.

Figure 16 is the action schematic diagram that the corresponding support of the present invention's the 3rd example opens toward opposite end direction.

Figure 17 is the schematic perspective view of simplified embodiment of the buckle structure of the present invention's the 3rd example.

Embodiment

Refer to shown in Fig. 1 to Fig. 7, the present invention is a kind of connection set that can two-way folding, and it comprises the Combination Design of support 10, corresponding support 20 and two connecting rods 30,40; These correspondence support 20 closures are in this support 10, be set parallel to each other, each connecting rod 30,40 is parallel this support 10 and this correspondence support 20 respectively, and the two ends of each connecting rod 30,40 are articulated in respectively this support 10 and this correspondence support 20, make this correspondence support 20 open or to open toward the opposite end direction D2 of this support 10 toward an extreme direction D1 of this support 10, form two-way opening and closing movement; So that by mutual two involutory supports two connecting rods parallel to each other of arranging in pairs or groups, when closure, make the whole slimming effect that forms of connection set, when opening, make corresponding support or support can form along with two connecting rods the effect of opening of relative both direction, so allow corresponding support or support sequentially property with respect to support or corresponding support open, closure.

In foregoing, one end of closed corresponding support 20 is corresponding to the opposite end of this support 10 each other, and the opposite end of closed corresponding support 20, corresponding to one end of this support 10, makes the also alignment mutually of two connecting rods 30,40 being set parallel to each other each other, in order to make this support 10 and this correspondence support 20 can be respectively and corresponding connecting rod 30, 40 opening and closing movements together, one end of this connecting rod 30 is articulated in one end of this correspondence support 20, the other end of this connecting rod 30 or opposite end are articulated in one end of this support 10, and one end of another connecting rod 40 is articulated in the opposite end of this correspondence support 20, the other end of another connecting rod 40 or opposite end are articulated in the opposite end of this support 10, when implementing, this support 10, corresponding support 20 and two connecting rods 30, 40 pivot-connecting position, can be arranged at the apparent surface between this support 10 and corresponding support 20, or be arranged at the relative both sides of this support 10 and corresponding support 20, as shown in Figures 2 and 3, the relative dual-side of this support 10 is respectively equipped with the first bending plate 11 and the second bending plate 12, the relative dual-side of this correspondence support 20 is respectively equipped with the 3rd bending plate 21 and the 4th bending plate 22, when closure, the 3rd bending plate 21 or the 4th bending plate 22 prop up this support 10, and the first bending plate 11 or the second bending plate 12 prop up this correspondence support 20, make these correspondence support 20 closures in this support 10 and can mutually support to produce each other clearance G, but during actual enforcement, also can make the 3rd, four bending plate 21, 22 prop up respectively first, two bending plate 11, 12, can produce clearance G too, for circuit for example: general electric wire, flexible flat cable etc. by or be hidden in herein, when unitary closed, make the overall appearance can more attractive in appearance and tool texture.

And when reality is implemented, this support 10 has identical or different situation with the size of this corresponding support 20, in order to allow support 10 and the corresponding support 20 of different size can be mutually corresponding closed, or in order to allow support 10 and the corresponding support 20 of the same size closure of can interlocking, also can consult Fig. 6 as shown in Figure 5, shown in 7, each connecting rod 30, 40 respectively in this first bending plate 11, this second bending plate 12, the pivot-connecting position of the 3rd bending plate 21 and the 4th bending plate 22, be equipped with pivot 50a, 50b, 50c, 50d, these four pivot 50a, 50b, 50c, 50d is coaxial between two, and two pivot 50b coaxially to each other, parallel two other the pivot 50a coaxially to each other of 50c, 50d, translation setting to axial between the support 10 that makes identical or different size and corresponding support 20, with the closure or corresponding closed of interlocking.

Consult shown in Fig. 1 to Fig. 4, connection set of the present invention is respectively equipped with the 3rd pin-joint part P3 and the 4th pin-joint part P4 at the opposite end of this support 10 again, these correspondence support 20 closures are in this support 10, and the opposite end of this correspondence support 20 is respectively equipped with the first pin-joint part P1 and the second pin-joint part P2, two connecting rods 30, 40 are set parallel to each other, the two ends of one of them connecting rod 30 are articulated in respectively the first pin-joint part P1 and the 3rd pin-joint part P3, and the two ends of another connecting rod 40 are articulated in respectively the second pin-joint part P2 and the 4th pin-joint part P4, make this correspondence support 20 and a connecting rod 30 respectively with second, three pin-joint part P2, P3 is axis of rotation, an extreme direction D1 toward this support 10 opens, or make this correspondence support 20 and another connecting rod 40 respectively with first, four pin-joint part P1, P4 is axis of rotation, opposite end direction D2 toward this support 10 opens, form two-way opening and closing movement, can also reduce integral thickness and the area of closed support 10 and corresponding support 20, with the effect that reaches slimming and do not take up space, and two connecting rods 30, 40 can coordinate an action of opening direction separately, to suppress this correspondence support 20, depart from support 10 and stablize rotary movement, so this correspondence support 20 opens toward an extreme direction D1, must be after closed support 10, can open toward opposite end direction D2, vice versa.

In foregoing, these correspondence support 20 closures are when this support 10, two connecting rods 30 that are set parallel to each other, the 40th, mutually align, but first, two pin-joint part P1, P2 is non-alignment setting, for example be crisscross arranged in the opposite end of this correspondence support 20, the 3rd, four pin-joint part P3, P4 is non-alignment setting, for example be crisscross arranged in the opposite end of this support 10, therefore, these correspondence support 20 opposite ends can be regarded as, first of lower two ends, two pin-joint part P1, P2 and this support 10 opposite ends can be regarded as, the 3rd of lower two ends, four pin-joint part P3, the position of P4, when implementing, all can be arranged at corner place, consult again Fig. 1, shown in 3, this first pin-joint part P1 is respectively to be extended by relative two corner places of this correspondence support 20 with this second pin-joint part P2, the 3rd pin-joint part P3 is respectively to be extended by relative two corner places of this support 10 with the 4th pin-joint part P4, and connecting rod 30 parallel to each other and another connecting rod 40 difference parallel this correspondence support 20 and this support 10, this first pin-joint part P1 and this second pin-joint part P2 align respectively at the two ends of this connecting rod 30, and the 3rd pin-joint part P3 and the 4th pin-joint part P4 align respectively at the two ends of this another connecting rod 40, make second and third pin-joint part P2, P3 be positioned at a shaft axis A1, make first, fourth pin-joint part P1, P4 be positioned at another shaft axis A2.

Because the relative dual-side of this support 10 is respectively equipped with the first bending plate 11 and the second bending plate 12, when implementing, the 3rd pin-joint part P3 can extend by the extreme direction D1 from this first bending plate 11 toward this support 10, the 4th pin-joint part P4 can extend by the opposite end direction D2 from this second bending plate 12 toward this support 10, also make the 3rd, four pin-joint part P3, P4 is a relative two corner place at this support 10 respectively, the relative dual-side of this correspondence support 20 is respectively equipped with the 3rd bending plate 21 and the 4th bending plate 22, this first pin-joint part P1 can extend by the extreme direction D1 from the 3rd bending plate 21 toward this correspondence support 20, this second pin-joint part P2 can extend by the opposite end direction D2 from the 4th bending plate 22 toward this correspondence support 20, also make this first, two pin-joint part P1, P2 is a relative two corner place at this correspondence support 20 respectively, make equally these correspondence support 20 closures in this support 10 and can mutually support to produce each other clearance G, for link tester, cross or be hidden in herein, when unitary closed, make the overall appearance can more attractive in appearance and tool texture.

The present invention is at first, second, third and fourth pin-joint part P1, P2, P3, P4 place, can pivot be optionally set according to actual conditions, as shown in Figure 6, between a connecting rod 30 and this first pin-joint part P1, be also respectively equipped with pivot 50a, 50b between another connecting rod 40 and this second pin-joint part P2, between each pivot 50a, 50b, be parallel to each other, make this correspondence support 20 with respect to these support 10 axial translation settings, with the closure of interlocking, can consult Fig. 1 or corresponding closed; Or as shown in Figure 7, between connecting rod 30 and the 3rd pin-joint part P3, be also respectively equipped with pivot 50c, 50d between another connecting rod 40 and the 4th pin-joint part P4, between each pivot 50c, 50d, be parallel to each other, make this support 10 with respect to these correspondence support 20 axial translation settings, with the closure of interlocking, can consult Fig. 1 or corresponding closed; The closed situation of above-mentioned correspondence, implements when large-sized support 10 for being applicable to undersized corresponding support 20 closures.

In embodiments of the present invention, the structure of each pivot 50a, 50b, 50c, 50d includes axle part 51 and the fixed block 52 being mutually coupling, the two ends of this axle part 51 are respectively 511He axis part, blocked part 512, these fixed block 52 corresponding shaft are connected to this axis part 512, with for convenience detach, assemble and replace each pivot 50a, 50b, 50c, 50d, make the present invention there is adjustment effect, to increase the convenience in use.

Moreover, the present invention is for example installed on electronic product: digital camera, notebook computer, the body of mobile phone etc., in screen or touch control screen, can not take up space, can also reduce the gap between closed body and screen or touch control screen, and then can allow screen coil insertion device surface, for example, during containing groove figure the present invention being inserted at body surface does not show, make support 10 with first, support portions between two bending plate, as the arrow indication position junctor body of label in Fig. 2 10, this correspondence support 20 is with the 3rd, corresponding support portions between four bending plate, as the arrow indication position of label in Fig. 2 20 connects screen or the touch control screen back side, like this, user only starts screen or touch control screen, can allow the screen of this electronic product there is the action effect of two-way folding, above-mentioned support also can connect screen, and make corresponding support connect body, the action effect too with two-way folding.

In the first example of connection set that can two-way folding in the invention described above, by by each connecting rod 30, four pin-joint part P1～P4 of 40 difference pivot joint supports 10 and corresponding support 20, this correspondence support 20 is being opened when initial, only can be by one of them connecting rod 30, 40 along with action, a connecting rod 30 is along with this correspondence support 20 opens toward an extreme direction D1, another connecting rod 40 is against this support 10, and when another connecting rod 40 opens toward opposite end direction D2 along with this correspondence support 20, be that this connecting rod 30 is against this support 10, with what stablize this correspondence support 20, initially open action.

To each other can be mutually closed in order to increase the diversity of this support 10 and this correspondence support 20 and to make, four pin-joint part P1～P4 of the present invention are also optionally located at the opposite end of this support 10 and this correspondence support 20, corner and homonymy two ends etc. are located relatively, as shown in Figure 8, first, the second pin-joint part P1, P2 is located at respectively the relative corner place of this correspondence support 20, the 3rd, the 4th pin-joint part P3, P4 is located at respectively the opposite end of this support 10, the opposite end ora terminalis by this rack body 101 extend horizontally away respectively, vertically be formed into again to and spaced pivot joint ear, make pivot joint ear and the first pin-joint part P1 in difference pivot joint the 3rd pin-joint part P3 left side, two ends of a connecting rod 30, the pivot joint ear on another connecting rod 40 pivot joints the 4th P4 right side, pin-joint part and the second pin-joint part P2.

Secondly, the setting position of these four pin-joint part P1～P4 is except above-mentioned Fig. 1 to Fig. 8 discloses, the body 101 of also can interval being located at this correspondence support 20 and/or this support 10, 201 (being directly or indirectly arranged at intervals at the support body surface of corresponding support 20 and/or support 10), difference characteristic is as shown in Figure 9: between the two ends of this support 10, have body 101, this body 101 is interval with the 3rd pin-joint part P3 and the 4th pin-joint part P4, the 3rd, the 4th pin-joint part P3, P4 is respectively the Liang Dui pivot joint ear that is arranged at intervals at this rack body 101 (surperficial at the support body of this support 10), Ge Dui pivot joint ear includes Liang Ge pivot joint ear with in pairs and be set in distance, and first, the second pin-joint part P1, the opposite end that P2 is located at respectively this correspondence support 20 also space set in this correspondence rack body, all also there is paired and spaced pivot joint ear, make the two ends difference pivot joint first pin-joint part P1 left side of a connecting rod 30 and the pivot joint ear in the 3rd pin-joint part P3 left side, the difference pivot joint second P2 right side, pin-joint part, two ends of another connecting rod 40 and the pivot joint ear on the 4th P4 right side, pin-joint part, to allow two connecting rods 30 of arranging in pairs or groups, 40, be set parallel to each other in 20, the support 10 of mutual closure and corresponding support, the two-way opening and closing movement of same formation.

Moreover, the setting of these four pin-joint part P1～P4 also has as shown in figure 10, first, the second pin-joint part P1, P2 is located at respectively the relative corner place of this correspondence support 20, the 3rd pin-joint part P3 is located at the corner place, one end of this support 10, the 4th pin-joint part P4 is located at the opposite end ora terminalis of this support 10 and is staggered with the 3rd pin-joint part P3, by the opposite end ora terminalis of this rack body 101, extend horizontally away and vertically form again the 4th pin-joint part P4, this is first years old, the 3rd pin-joint part P1, P3 is respectively by one end of this correspondence support 20 and one end of a side place and this support 10 and a side place, all toward an extreme direction D1, extend and form, this second pin-joint part P2 is by opposite end and the opposite side place of this correspondence support 20, toward opposite end direction D2, extend and form, or as Figure 12, shown in 13, first, the second pin-joint part P1, P2 is located at respectively the opposite two ends of this correspondence support 20, also there is paired and spaced pivot joint ear, make opposite two ends (i.e. the pivot joint ear in the first pin-joint part P1 left side and the second pin-joint part P2 left side) each connecting rod 30 of difference pivot joint of these correspondence support 20 1 sides, 40, and two figure differences are the 3rd of Figure 12, the 4th pin-joint part P3, P4 is located at respectively the relative corner place of this support 10, the 3rd of Figure 13, the 4th pin-joint part P3, P4 is located at respectively the opposite end ora terminalis place of this support 10 and is staggered.

In Fig. 9, the relative dual-side of this support 10 is respectively equipped with the first bending plate 11 and the second bending plate 12, the relative dual-side of this correspondence support 20 is respectively equipped with the 3rd bending plate 21 and the 4th bending plate 22, make these correspondence support 20 closures in this support 10 and can mutually support to produce each other gap, and each connecting rod 30,40 is parallel to respectively the first, the 3rd bending plate 11,21 and the second, the 4th bending plate 12,22; First, second bending plate 11,12 in figure makes on the body 101 of part lamellar body 111,121 perpendicular to this support 10 through repeatedly bending respectively, contribute on different this support 10 of corresponding support 20 pivot joints of size, and the part lamellar body 112,122 that makes first, second bending plate 11,12 can coincide in this rack body 101, for fixing, use.For example for screwed lock, be fixed in body or can elasticity adjustment, for example elasticity adjustment coincides tight shape with the spacing between change support and corresponding support, first, second bending plate 11,12 that is so different from above-mentioned Fig. 1～8 is respectively once bending and perpendicular to the dual-side of this support 10, for the 3rd, the 4th bending plate 21,22 of this correspondence support 20, also can adopt identical technological means to realize; And in Fig. 9, each connecting rod 30,40 respectively with the pivot-connecting position of this first bending plate 11, this second bending plate 12, the 3rd bending plate 21 and the 4th bending plate 22, be equipped with pivot 50a, 50b, 50c, 50d, these four pivot 50a, 50b, 50c, 50d are coaxial between two, and parallel two other pivot 50a, the 50d coaxially to each other of two pivot 50b, 50c coaxially to each other, with easy assembly and disassembly.

Between the opposite end of this support 10 and between the opposite end of this correspondence support 20 all with plate as body 101, 201, each connecting rod 30, between 40 two ends, be provided with recess 31, 41, for example annular recess or be provided with groove in middle shaft both sides, forms the narrow pattern of the wider and middle shaft of each rod end, and each connecting rod 30, 40 recess 31, 41 can corresponding each body 101, 201, can consult Fig. 1, 9, at this support 10 and this correspondence support 20, form respectively at least two breach 102 in addition, 202, each breach 102, 202 can distinguish accommodating each connecting rod 30, 40 rod end, so when two supports are mutually closed, each body 101, 201 is can be together chimeric and be positioned in one of them recess 31 or 41, or chimeric and be positioned each recess 31 respectively, in 41, each rod end can lean on respectively in each breach 102, 202 places, make each connecting rod 30, 40 fit respectively against this support 10 and this correspondence support 20, and allow the support 10 of mutual closure and corresponding support 20 be parellel, reach the effect of whole thin type.

Referring again to shown in Figure 10 to Figure 13, for the present invention can two-way folding the second example of connection set, it includes support 10, corresponding support 20, two pivot devices 50,50' and two connecting rods 30,40, this support 10 is interval with the 3rd pin-joint part P3 and the 4th pin-joint part P4, this correspondence support 20 is articulated in this support 10 and can be mutually closed, and this correspondence support 20 is interval with the first pin-joint part P1 and the second pin-joint part P2, these two pivot devices 50,50' is parallel to each other and be axially set in the relative both sides of this support 10 or this correspondence support 20, these two connecting rods 30, 40 are set parallel to each other in the relative both sides of support 10 with the corresponding support 20 of mutual closure, wherein, the two ends of a connecting rod 30 are articulated in respectively the first pin-joint part P1 and the 3rd pin-joint part P3, and the two ends of another connecting rod 40 are articulated in respectively the second pin-joint part P2 and the 4th pin-joint part P4, make this correspondence support 20 and a connecting rod 30 respectively with second, three pin-joint part P2, P3 is axis of rotation, an extreme direction D1 toward this support 10 opens and produces the first torsion variation, or make this correspondence support 20 and another connecting rod 40 respectively with first, four pin-joint part P1, P4 is axis of rotation, opposite end direction D2 toward this support 10 opens and produces the second torsion variation, thereby making two-way opening and closing movement all have torsion changes.

And the relative dual-side at this support 10 is respectively equipped with the first bending plate 11 and the second bending plate 12, the relative dual-side of this correspondence support 20 is respectively equipped with the 3rd bending plate 21 and the 4th bending plate 22, make these correspondence support 20 closures in this support 10 and can mutually support to produce each other gap, and each connecting rod 30,40 is parallel to respectively the first, the 3rd bending plate 11,21 and the second, the 4th bending plate 12,22; And each pivot device 50,50' are located at respectively the pivot-connecting position of each connecting rod 30,40 and this first bending plate 11 and this second bending plate 12 or the pivot-connecting position of each connecting rod 30,40 and the 3rd bending plate 21 and the 4th bending plate 22.

In the second example, the difference characteristic that is different from the first example shown in above-mentioned Fig. 1 to Fig. 9 is: set up two pivot devices 50, 50', and make each pivot device 50, 50' lays respectively at the 3rd pin-joint part P3 and the 4th pin-joint part P4, consult Figure 10, or make each pivot device 50, 50' lays respectively at the first pin-joint part P1 and the second pin-joint part P2, consult Figure 12, all can make each pivot device 50, 50' lays respectively at two shaft axis A1, on A2, and make integral body set up pivot device 50, after 50', also there is the effect of slimming, and with respect to this, support 10 is two-way while opening when this correspondence support 20, can also there is laborsaving automatically springing open, arbitrary or the composite efficacy such as automatic blocking or easy opening and heavy closing, below will further illustrate.

As shown in Figure 10,11, each pivot device 50,50' include pivot 50c, 50d and are sheathed on the torsion spring 501 of pivot 50c, 50d, in the drawings, pivot 50c, the 50d of each torsion spring 501 for presetting elastic force and being sheathed on respectively the 3rd, the 4th pin-joint part P3, P4, one end of each torsion spring 501 is positioned respectively the positioning hole of the 3rd, the 4th pin-joint part P3, P4, the other end of each torsion spring 501 is positioned respectively positioning hole and the positioning groove of each connecting rod 30,40 rod ends, so that closed support 10 and corresponding support 20 has automatically rebounding open effect mutually; Otherwise, be after opening, to form the closed effect of automatically rebounding.

As shown in figure 12, each pivot device 50, 50' also can change into and include pivot 50a, 50b and be sheathed on pivot 50a, at least one cam 502 and at least one elastic element 503 of 50b, in the drawings, this at least one cam 502 includes movable cam and the stationary cam of mutual pushing, the surface of contact of this movable cam and this stationary cam is male and fomale(M&F), this at least one elastic element 503 includes a plurality of elasticity video discs that mutually stack, therefore when this correspondence support 20 rotation, this movable cam mutually pushes and struts with respect to this stationary cam rotation meeting, thereby push those elasticity video discs of adjacency and produce elastic force, when close to each other to rotate with respect to this stationary cam at this movable cam, form the effect of automatic blocking.

As shown in figure 13, each pivot device 50, 50' also can change into and include pivot 50a, 50b and be sheathed on pivot 50a, the clad structure 504 of 50b, each clad structure 504 is for having the coated cylinder of axially open 5041, and each clad structure 504 is incorporated into this support 10 or this correspondence support 20, in the drawings, serve as reasons opposite end and the staggered ora terminalis place of this support 10 of each clad structure 504 extends outward respectively wrapping plate, each wrapping plate is respectively along each pivot 50a, 50b week side is coated, and make 101 of each sheet edge and this rack bodies produce spacing, formation has the coated cylinder of axially open 5041, this correspondence support 20 is opened or when closed with respect to this support 10, there is rotation and open torsion gently and the heavy effect of rotary closing torsion.

Refer to shown in Figure 14 to Figure 17, for the present invention can two-way folding the 3rd example of connection set, the same characteristic features of itself and the first example is: support 10, corresponding support 20, it is articulated in this support 10 and closure mutually, and two connecting rods 30, 40, be set parallel to each other in the relative both sides of support 10 with the corresponding support 20 of mutual closure, wherein, the two ends of a connecting rod 30 are one end of this support 10 of pivot joint and the opposite end of this correspondence support 20 respectively, the two ends of another connecting rod 40 are the opposite end of this support 10 of pivot joint and one end of this correspondence support 20 respectively, making this correspondence support 20 and connecting rod 30 take respectively one end of this support 10 is axis of rotation, an extreme direction D1 toward this support 10 opens, or making this correspondence support 20 and another connecting rod 40 take respectively the opposite end of this support 10 is axis of rotation, opposite end direction D2 toward this support 10 opens, form two-way opening and closing movement.

The difference characteristic of the 3rd example and the first example is: have additional buckle structure 60, it includes fastener 61 and the corresponding fastener 62 mutually setting, this fastener 61 is located at the side of this support 10, and this correspondence fastener 62 is located at the side of this correspondence support 20, can clutch and is rotatably snapped in the opposite end of this correspondence fastener 62 in one end of this fastener 61, can clutch and be rotatably snapped in one end of this correspondence fastener 62 in the opposite end of this fastener 61; With when this correspondence support 20 opens toward an extreme direction D1, one end of this fastener 61 is rotatably snapped in the opposite end of this correspondence fastener 62; And when this correspondence support 20 opens toward opposite end direction D2, the opposite end of this fastener 61 is rotatably snapped in one end of this correspondence fastener 62.

In the 3rd example, relative dual-side at this support 10 is respectively equipped with the first bending plate 11 and the second bending plate 12 equally, the relative dual-side of this correspondence support 20 is respectively equipped with the 3rd bending plate 21 and the 4th bending plate 22, make these correspondence support 20 closures in this support 10 and can mutually support to produce each other gap, and each connecting rod 30, 40 are parallel to respectively first, the 3rd bending plate 11, 21 and second, the 4th bending plate 12, 22, and this buckle structure 60 can be located at first, the 3rd bending plate 11, 21 or second, the 4th bending plate 12, 22, make two supports shift to install and can implement, the means that realize are at each connecting rod 30, 40 respectively with this first bending plate 11, this second bending plate 12, the pivot-connecting position of the 3rd bending plate 21 and the 4th bending plate 22, is equipped with pivot 50a, 50b, 50c, 50d, these four pivot 50a, 50b, 50c, 50d is coaxial between two, and two pivot 50b coaxially to each other, parallel two other the pivot 50a coaxially to each other of 50c, 50d.

The reduced form of the 3rd example is at the two ends of this fastener 61, to be respectively equipped with axial protuberance 611,612, and the two ends of this correspondence fastener 62 are respectively equipped with radial groove 621,622, each radial groove 621,622 is corresponding each axial protuberance 612,611 can clutch and be rotatably snapped in each axial protuberance 611,612 respectively, refer to shown in Figure 17, variation for Figure 11, difference is in by first, the second pin-joint part P1, P2 is located at respectively the opposite end of these correspondence support 20 1 sides, make the two ends of another connecting rod 40 be articulated in respectively pivot joint ear and the second pin-joint part P2 in the 4th pin-joint part P4 left side, make above-mentioned each axial protuberance 611, 612 opposite ends that can be pivot and be arranged at respectively these support 10 opposite sides (are each axial protuberance 611, 612 are articulated in respectively the pivot joint ear on the 3rd P3 right side, pin-joint part and the 4th P4 right side, pin-joint part), and above-mentioned each radial groove 621, 622 opposite ends (i.e. the opposite end of the 4th bending plate 22) that can be arranged at respectively these correspondence support 20 opposite sides, with when this correspondence support 20 carries out two-way opening and closing movement with respect to this support 10, except stablizing the rotary movement of this correspondence support 20, also with the effect of rotatable buckle.

Shown in Figure 14～16, the two ends of this fastener 61 are also respectively equipped with guide groove 613,614, and each axial protuberance 611,612 is located at respectively in each guide groove 613,614, and the two ends of this correspondence fastener 62 and be respectively equipped with corresponding shaft to protuberance 623,624 corresponding to each axial protuberance 611,612 places, each radial groove 621,622 is located at respectively each corresponding shaft to protuberance 623,624, make each corresponding shaft can import respectively each guide groove 613,614 to protuberance 623,624, thereby make each axial protuberance 611,612 can import respectively each radial groove 621,622, allowing this correspondence fastener 62 take one end or the opposite end of this fastener 61 is axis of rotation, form rotatably buckle state, can stablize equally the rotary movement of this correspondence support 20, therefore when two supports are mutually closed, the corresponding shaft of axial protuberance 611 fastener corresponding to this 62 opposite ends of these fastener 61 one end is to protuberance 623, can be positioned at same shaft axis A1 with second, third pin-joint part P2, P3, the corresponding shaft of axial protuberance 612 fastener corresponding to this 62 one end of these fastener 61 opposite ends, to protuberance 624, can be positioned at another shaft axis A2 with the first, the 4th pin-joint part P1, P4, when this correspondence support 20 can be consulted Figure 15 when an extreme direction D1 opens, the guide groove 614 that the corresponding shaft of these correspondence fastener 62 opposite ends departs from these fastener 61 opposite ends to protuberance 624, guide groove 613 from these fastener 61 one end to protuberance 623 clasp that the corresponding shaft of these correspondence fastener 62 one end imports this axial protuberance 611 rotations, and when opening, can consult opposite end direction D2 Figure 16 when this correspondence support 20, the guide groove 613 that the corresponding shaft of these correspondence fastener 62 one end departs from these fastener 61 one end to protuberance 623, guide groove 614 from these fastener 61 opposite ends to protuberance 624 clasp that the corresponding shaft of these correspondence fastener 62 opposite ends imports this axial protuberance 612 rotations.

Between the two ends of this fastener 61 and between the two ends of this correspondence fastener 62, be further respectively equipped with positioning groove 615,625, this rack body 101 or this correspondence rack body 201 can be positioned each positioning groove 615,625, so that whole buckle structure 60 while being installed on the support 10 of mutual closure and the side of corresponding support 20, can not affect the whole effect that forms slimming.

Though the present invention has disclosed preferably specific embodiment for achieving the above object; and it is not intended to limiting the invention; any those skilled in the art are to be understood that; under technical spirit of the present invention; any apparent variation or modification are all possible, and all fall in the protection domain of the claims in the present invention.

Description of reference numerals

The present invention

10 support 101,201 bodies

11 first bending plate 102,202 breach

12 second bending plate 111,112 part lamellar bodies

20 corresponding support 121,122 part lamellar bodies

21 the 3rd bending plate

22 the 4th bending plate

30 connecting rod 31 recesses

40 connecting rod 41 recesses

50a, 50b pivot 50,50' pivot device

50c, 50d pivot 501 torsion springs

51 axle part 502 cams

511 blocked part 503 elastic elements

512 axis part 504 clad structures

52 fixed block 5041 axially opens

A1, A2 shaft axis 60 buckle structures

D1 mono-extreme direction 61 fasteners

The axial protuberance of D2 opposite end direction 611,612

G gap 613,614 guide grooves

P1 the first corresponding fastener in pin-joint part 62

P2 the second pin-joint part 621,622 radial grooves

P3 the 3rd pin-joint part 623,624 corresponding shaft are to protuberance

P4 the 4th pin-joint part 615,625 positioning grooves

Claims

1. a connection set that can two-way folding, it comprises:

Support, its opposite end is respectively equipped with the 3rd pin-joint part and the 4th pin-joint part;

Corresponding support, its closure is in this support, and the opposite end of this correspondence support is respectively equipped with the first pin-joint part and the second pin-joint part; And

Two connecting rods, be set parallel to each other, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod take respectively second and third pin-joint part as axis of rotation, an extreme direction of past this support opens, or makes this correspondence support and another connecting rod take respectively first, fourth pin-joint part as axis of rotation, opposite end direction toward this support is opened, and forms two-way opening and closing movement.

2. connection set that can two-way folding according to claim 1, wherein, this first pin-joint part is respectively to be extended by relative two corner places of this correspondence support with this second pin-joint part, and the 3rd pin-joint part is respectively to be extended by relative two corner places of this support with the 4th pin-joint part; And connecting rod parallel to each other and another connecting rod parallel this correspondence support of difference and this support, the two ends of this connecting rod align respectively this first pin-joint part and this second pin-joint part, and the two ends of this another connecting rod align respectively the 3rd pin-joint part and the 4th pin-joint part, make second and third pin-joint part be positioned at a shaft axis, make first, fourth pin-joint part be positioned at another shaft axis.

3. connection set that can two-way folding according to claim 1, wherein, the relative dual-side of this support is respectively equipped with the first bending plate and the second bending plate, the relative dual-side of this correspondence support is respectively equipped with the 3rd bending plate and the 4th bending plate, makes this correspondence support closure in this support and can mutually support to produce each other gap.

4. connection set that can two-way folding according to claim 1, wherein, between a connecting rod and this first pin-joint part, be also respectively equipped with pivot between another connecting rod and this second pin-joint part, between each pivot, be parallel to each other, make this correspondence support can be with respect to this support axial translation setting, with the closure or corresponding closed of interlocking.

5. connection set that can two-way folding according to claim 1, wherein, between connecting rod and the 3rd pin-joint part, be also respectively equipped with pivot between another connecting rod and the 4th pin-joint part, between each pivot, be parallel to each other, make this support can be with respect to this correspondence support axial translation setting, with the closure or corresponding closed of interlocking.

According to described in claim 4 or 5 can two-way folding connection set, wherein, the structure of each pivot includes axle part and the fixed block being mutually coupling, the two ends of this axle part are respectively blocked part and axis part, this fixed block corresponding shaft is connected to this axis part.

7. a connection set that can two-way folding, it comprises:

Support, its body is interval with the 3rd pin-joint part and the 4th pin-joint part;

Corresponding support, it is articulated in this support and closure mutually, and the body of this correspondence support is interval with the first pin-joint part and the second pin-joint part; And

Two connecting rods, be set parallel to each other between the support and corresponding support of mutual closure, wherein, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod take respectively second and third pin-joint part as axis of rotation, an extreme direction toward this support opens, or make this correspondence support and another connecting rod take respectively first, fourth pin-joint part as axis of rotation, opposite end direction toward this support is opened, and forms two-way opening and closing movement.

8. connection set that can two-way folding according to claim 7, wherein, the relative dual-side of this support is respectively equipped with the first bending plate and the second bending plate, the relative dual-side of this correspondence support is respectively equipped with the 3rd bending plate and the 4th bending plate, make this correspondence support closure in this support and can mutually support to produce each other gap, and each connecting rod is parallel to respectively the first, the 3rd bending plate and the second, the 4th bending plate.

9. a connection set that can two-way folding, it comprises:

Support, it is interval with the 3rd pin-joint part and the 4th pin-joint part;

Corresponding support, it is articulated in this support and closure mutually, and this correspondence spacer support frame is provided with the first pin-joint part and the second pin-joint part;

Two pivot devices, are set parallel to each other in the relative both sides of this support or this correspondence support, make each pivot device lay respectively at the 3rd pin-joint part and the 4th pin-joint part, or make each pivot device lay respectively at the first pin-joint part and the second pin-joint part; And

Two connecting rods, be set parallel to each other in the relative both sides of support and the corresponding support of mutual closure, wherein, the two ends of a connecting rod are articulated in respectively the first pin-joint part and the 3rd pin-joint part, and the two ends of another connecting rod are articulated in respectively the second pin-joint part and the 4th pin-joint part, make this correspondence support and a connecting rod respectively with second, three pin-joint parts are axis of rotation, an extreme direction toward this support opens and produces the first torsion variation, or make this correspondence support and another connecting rod respectively with first, four pin-joint parts are axis of rotation, toward the opposite end direction of this support, opening and produce the second torsion changes, thereby making two-way opening and closing movement all have torsion changes.

10. connection set that can two-way folding according to claim 9, wherein, the relative dual-side of this support is respectively equipped with the first bending plate and the second bending plate, the relative dual-side of this correspondence support is respectively equipped with the 3rd bending plate and the 4th bending plate, make this correspondence support closure in this support and can mutually support to produce each other gap, and each connecting rod is parallel to respectively the first, the 3rd bending plate and the second, the 4th bending plate; Each pivot device is located at respectively each connecting rod and this first bending plate and the pivot-connecting position of this second bending plate or the pivot-connecting position of each connecting rod and the 3rd bending plate and the 4th bending plate.

11. connection sets that can two-way folding according to claim 10, wherein, each pivot device includes pivot and is sheathed on the torsion spring of pivot, and each torsion spring is for presetting elastic force and its one end is positioned respectively each pin-joint part, and the other end of each torsion spring is positioned respectively each connecting rod rod end.

12. connection sets that can two-way folding according to claim 10, wherein, each pivot device includes pivot and is sheathed at least one cam and at least one elastic element of pivot, this at least one cam includes movable cam and the stationary cam of mutual pushing, the surface of contact of this movable cam and this stationary cam is male and fomale(M&F), and this at least one elastic element includes a plurality of elasticity video discs that mutually stack.

13. connection sets that can two-way folding according to claim 10, wherein, each pivot device includes pivot and is sheathed on the clad structure of pivot, and each clad structure is the coated cylinder with axially open, and each clad structure is incorporated into this support or this correspondence support.

14. 1 kinds can two-way folding connection set, it comprises:

Support;

Corresponding support, it is articulated in this support and closure mutually;

Buckle structure, it includes fastener and the corresponding fastener mutually setting, this fastener is located at the side of this support, and this correspondence fastener is located at the side of this correspondence support, can clutch and is rotatably snapped in the opposite end of this correspondence fastener in one end of this fastener, can clutch and be rotatably snapped in one end of this correspondence fastener in the opposite end of this fastener; And

Two connecting rods, be set parallel to each other in the relative both sides of support and the corresponding support of mutual closure, wherein, the two ends of a connecting rod are one end of this support of pivot joint and the opposite end of this correspondence support respectively, the two ends of another connecting rod are the opposite end of this support of pivot joint and one end of this correspondence support respectively, this correspondence support and connecting rod are opened toward an extreme direction of this support, and one end of this fastener is rotatably snapped in the opposite end of this correspondence fastener, or this correspondence support and another connecting rod are opened toward the opposite end direction of this support, and the opposite end of this fastener is rotatably snapped in one end of this correspondence fastener, form two-way opening and closing movement.

15. connection sets that can two-way folding according to claim 14, wherein, the relative dual-side of this support is respectively equipped with the first bending plate and the second bending plate, the relative dual-side of this correspondence support is respectively equipped with the 3rd bending plate and the 4th bending plate, make this correspondence support closure in this support and can mutually support to produce each other gap, and each connecting rod is parallel to respectively the first, the 3rd bending plate and the second, the 4th bending plate.

Described in 16. according to Claim 8 or 15 can two-way folding connection set, wherein, each connecting rod respectively with the pivot-connecting position of this first bending plate, this second bending plate, the 3rd bending plate and the 4th bending plate, be equipped with pivot, this four pivot is coaxial between two, and parallel two other pivot coaxially to each other of two pivots coaxially to each other.

17. connection sets that can two-way folding according to claim 14, wherein, the two ends of this fastener are respectively equipped with axial protuberance, and the two ends of this correspondence fastener are respectively equipped with radial groove, each radial groove is corresponding each axial protuberance can clutch and be rotatably snapped in each axial protuberance respectively.

18. connection sets that can two-way folding according to claim 17, wherein, the two ends of this fastener are also respectively equipped with guide groove, and each axial protuberance is located at respectively in each guide groove; And the two ends of this correspondence fastener and be respectively equipped with corresponding shaft to protuberance corresponding to each axial protuberance place, each radial groove is located at respectively each corresponding shaft to protuberance, make each corresponding shaft can import respectively each guide groove to protuberance, thereby make each axial protuberance can import respectively each radial groove, allowing this correspondence fastener take one end or the opposite end of this fastener is axis of rotation, forms rotatably buckle state.

19. connection sets that can two-way folding according to claim 18, wherein, are further respectively equipped with positioning groove between the two ends of this fastener and between the two ends of this correspondence fastener, this rack body or this correspondence rack body can be positioned each positioning groove.

20. according to described in claim 2,8,10 or 15 can two-way folding connection set, wherein, between the opposite end of this support and between the opposite end of this correspondence support all with plate as body, between the two ends of each connecting rod, be provided with recess, make the wider and middle shaft of each rod end narrow, and each this cognition is chimeric and be positioned in each recess respectively, each connecting rod is fitted respectively against this support and this correspondence support.