CN203718318U

CN203718318U - Support structure

Info

Publication number: CN203718318U
Application number: CN201420002663.2U
Authority: CN
Inventors: 赖南海; 郑港瀚
Original assignee: Jarllytec Co Ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2014-01-02
Filing date: 2014-01-02
Publication date: 2014-07-16
Anticipated expiration: 2024-01-02

Abstract

The utility model provides a supporting structure, which comprises a base with a pivoting part, a connecting element, a first pivot device, a connecting rod and a second pivot device, wherein the connecting element is respectively provided with an upper pivoting part and a lower pivoting part, the first pivot device and the second pivot device respectively comprise a first pivot, a second pivot, a first rotating interference part and a second rotating interference part, the first rotating interference part and the second rotating interference part, the upper pivoting part and the lower pivoting part of the connecting element and the pivoting part of the base are respectively pivoted through the first pivot and the second pivot, the upper rod end and the lower rod end of the connecting rod are respectively pivoted on the first rotating interference part and the pivoting part of the base, the second pivot device also comprises a fixed interference part and a second elastic part which are mutually interacted and sleeved on the second pivot, the second rotating interference part positioned on the lower pivoting part is contacted with the fixed interference part, the connecting element is lifted to a vertical lying posture from the flat posture relative to the base, and the second rotating interference part rotates and is mutually rubbed and pushed to a closed state with the fixed interference part, creating a torsional force variation.

Description

Supporting structure

Technical field

The utility model relates to a kind of supporting structure that is applicable to liquid crystal disply device, particularly a kind of have quadratic crank mechanism and can folding to reduce the supporting structure taking up room.

Background technique

Due to the generally use of liquid crystal disply device now, the supporting structure adopting also heals and becomes complete and diversified in function aspects, as the elevation angle of liquid crystal disply device is adjusted, left rotation and right rotation, or Height Adjustment and locking.Conventional support structure conventionally has a support arm and comes connecting fluid crystal device and pedestal, between support arm and liquid crystal disply device, be provided with one or more upper rotating shafts to form pivot joint, rotatable forward leaning angle and the layback angle of adjusting liquid crystal disply device, separately between support arm and pedestal, also can be provided with one or more lower rotary shafts, form too pivot joint, the rotatable height and position of adjusting liquid crystal disply device, and provide support power by torsion spring, so form and stand attitude for use; And aspect storage and packaging, owing to being equiped with quadratic crank mechanism and the upper and lower rotating shaft of pivot joint respectively in support arm, therefore by folding conventional support structure, make the support arm erecting be rotated into level by described lower rotary shaft, and make liquid crystal disply device also be rotated into level by described upper rotating shaft, so form and fold attitude when standing attitude, can make overall volume reduce shared space.

Model utility content

But, the torsion spring sheathed due to the lower rotary shaft of conventional support structure has elastic reaction, while causing the support arm lifting liquid crystal disply device erecting to extreme higher position, support force is not enough to resist completely gravity effect, to such an extent as to there is the situation that liquid crystal disply device declines slightly, make the attitude of standing that conventional support structure presents can depart from preset height position, therefore, how to make liquid crystal disply device be raised to extreme higher position and form the technical problem of orientating the solution of the utility model wish as.

Given this, in order to solve the problems of the technologies described above, main purpose of the present utility model is to provide a kind of supporting structure with positioning function, by the rotation interference piece being fitted to each other and fixing interference piece being arranged to the lower pivot place of the quadratic crank mechanism of supporting structure, while making supporting structure lifting liquid crystal disply device to peak, can form the attitude of halting, thus allow quadratic crank mechanism have enough support forces with opposing liquid crystal disply device the gravity aloft time.

To achieve these goals, the utility model provides a kind of supporting structure, and it comprises: base, has pin-joint part, connecting element, its upper and lower end portion is respectively equipped with He Xia pin-joint part, pin-joint part, the first pivot device, includes the first pivot and is sheathed on first of the first pivot and rotate interference piece, and by the first pivot shaft to the upper pin-joint part that wears connecting element to form pivot joint and to produce torsion, connecting rod, on it, rod end is articulated in the first rotation interference piece with synchronous start, and the lower rod end of connecting rod is articulated in the pin-joint part of base, and second pivot device, include the second pivot and be sheathed on second of the second pivot and rotate interference piece, fixing interference piece, the second spring element, the second rotation interference piece and fixing interference piece are in contact with one another, and by the second pivot shaft to wear the lower pin-joint part of connecting element and the pin-joint part of base with form pivot joint, make the second rotation interference piece be positioned the lower pin-joint part of connecting element, also allow fixing interference piece sheathed and be connected in the second pivot with the second spring element interaction, connecting element is started to halting attitude by the attitude that lies low with respect to base, and interlock second rotates interference piece rotation and is urged to closed state with fixing interference piece by friction each other, formation torsion changes.

Therefore, the utility model is by base, connecting element, connecting rod, the first pivot device and the second pivot device, make integrated support structure have enough support forces with opposing liquid crystal disply device the gravity aloft time, and by pushing in pairs and mutually or two closed interference pieces, make the integrated support structure location of standing, with the situation that prevents from occurring declining in the time halting; Be provided with positioning part by the connection plate body at connecting element again, then the supplemental support sheet enforcement of arranging in pairs or groups, make to have elastic support effect, contribute to prevent rod deformation and guarantee interlock effect; Moreover, also can further at the head lamp brush guard pivot place of quadratic crank mechanism, the rotation interference piece and the frictional interference part that are fitted to each other be set, to promote locating effect and to increase supporting effect.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the utility model supporting structure.

Fig. 2 is the partial exploded view of pin-joint part and the first pivot device on the one of Fig. 1.

Fig. 3 is the lower pin-joint part of Fig. 1 and the partial exploded view of the second pivot device.

Fig. 4 is the connecting element of Fig. 1 is the attitude that lies low schematic perspective view with respect to base.

Fig. 5 is the schematic diagram at another visual angle of Fig. 4.

Fig. 6 is the sectional schematic diagram of A to the A line segment in Fig. 4.

Fig. 7 is the sectional schematic diagram of B to the B line segment in Fig. 4.

Fig. 8 is that the connecting element of Fig. 1 first rotates the enforcement schematic diagram that interference piece and frictional interference part push mutually while halting, is in this case convenient to identification and is represented by dotted lines frictional interference sheet.

Fig. 9 is that the connecting element of Fig. 1 second rotates interference piece and fixing interference piece closed enforcement schematic diagram mutually while halting, is in this case convenient to identification and is represented by dotted lines fixing interference piece.

Figure 10 is the connecting element of Fig. 4 while lying low, and each protuberance slippage of the first rotation interference piece is in the enforcement schematic diagram of each long recess of frictional interference part, is in this case convenient to identification and is represented by dotted lines frictional interference sheet.

Figure 11 is the connecting element of Fig. 4 while lying low, and the second rotation interference piece and the enforcement schematic diagram that fixing interference piece pushes mutually is in this case convenient to identify and is represented by dotted lines fixing interference piece.

Figure 12 is another visual angle figure that the second rotation interference piece of Figure 11 separates with fixing interference piece.

Figure 13 is the decomposing schematic representation of the utility model supporting structure.

Figure 14 is that the connecting element of the utility model supporting structure is installed the schematic diagram that supplemental support sheet is implemented with support link.

Embodiment

As shown in Fig. 1 to Figure 14, the present embodiment relates to a kind of supporting structure, and it comprises base 10, connecting element 20, connecting rod 30, the first pivot device 40 and the second pivot device 50.Base 10 has pin-joint part 11.The upper and lower end portion of connecting element 20 is respectively equipped with 21He Xia pin-joint part, pin-joint part 22.As shown in Figure 2, the first pivot device 40 includes the first pivot 41 and is sheathed on the first rotation interference piece 42 of the first pivot 41, and the upper pin-joint part 21 that the first pivot 41 is axially worn to connecting element 20 is to form pivot joint and to produce torsion.As shown in Figures 2 and 3, on it, rod end 31 is articulated in the first rotation interference piece 42 with synchronous start to connecting rod 30, and the lower rod end 32 of connecting rod 30 is articulated in the pin-joint part 11 of base 10.The second pivot device 50 as shown in Figure 3, include the second pivot 51 and be sheathed on second of the second pivot 51 and rotate interference piece 52, fixing interference piece 53, the second spring element 54, the second rotation interference piece 52 and fixing interference piece 53 are in contact with one another, and the second pivot 51 is axially worn to the lower pin-joint part 22 of connecting element 20 and the pin-joint part 11 of base 10 to form pivot joint, and make the second rotation interference piece 52 be positioned the lower pin-joint part 22 of connecting element 20, also allow fixing interference piece 53 sheathed and be connected in the second pivot 51 with the second spring element 54 interactions, connecting element 20 is started to the attitude of halting (referring to Fig. 1) by the attitude that lies low (referring to Fig. 4 and Fig. 5) with respect to base 10, and interlock second rotates that interference piece 52 rotates and with fixing interference piece 53 by the pushing (referring to Figure 11) that rubs each other to closed state (referring to Fig. 9), formation torsion changes.

In the above-described embodiments, the first pivot device 40 is as shown in Figure 2 for being symmetrical arranged in pairs, and connected connecting rod 30, the upper pin-joint part 21 of connection part 20 is also to arrange in pairs, and the lower pin-joint part 22 of connection part 20 and the pin-joint part 11 of base are paired quantity (can referring to Fig. 3), but for convenience of description, get one of them first pivot device 40 for example elaboration, the first pivot 41 is also further arranged with frictional interference sheet 44 and axially passes the axis hole of frictional interference sheet 44, thereby make frictional interference sheet 44 be positioned pin-joint part 21 and contact the first rotation interference piece 42 (also can select to make the first rotation interference piece 42 to contact the upper pin-joint part 21 of connecting element 20), first rotates interference piece 42 can be according to the friction torsion effect of actual demand, selection is adopted with pad and is made the first pivot 41 implement (example the first rotation interference piece 42 as shown in figure 13 does not arrange protuberance) through the axis hole of pad, or as shown in Figure 2, select to be respectively equipped with protuberance 421 by (axially) the surface of contact periphery at the first rotation interference piece 42, and be respectively equipped with long recess 441 at relative two peripheries of frictional interference sheet 44, each long recess 441 lays respectively at the relative both sides of this surface of contact and in same circular path, make each protuberance 421 slippages in each long recess 441 and allow the first rotation interference piece 42 closures in frictional interference sheet 44 (referring to Figure 10), or make each protuberance 421 press on (axially) surface of contact of frictional interference sheet 44 and allow the first rotation interference piece 42 push frictional interference sheet 44 (referring to Fig. 8), to form friction torsion.Described each protuberance 421 presses on (axially) surface of contact position of frictional interference sheet 44, be the step 442 forming between each long recess 441, each step 442 has short slope to help each protuberance 421 to skid off or slip into each long recess 441, and each protuberance 421 can also compress and slippage in each step 442.

Again as shown in Figure 2, the first pivot 41 is also arranged with the first spring element 43, the first spring element 43 includes multiple torsion springs 431 and multiple shell fragment 432, each torsion spring 431 one end of the first spring element 43 are positioned the top of connecting element 20, each torsion spring 431 the other ends of the first spring element 43 are positioned the stop tab 45 (can be shown in Figure 6) that the first pivot 41 wears, and make can produce revolution effect after the first pivot device 40 rotations.Again for relative two axial side that make upper pin-joint part 21 produce respectively friction torsion, as shown in Figure 6, except being set in upper pin-joint part 21 1 sides, frictional interference sheet 44 and first rotates interference piece 42, also allow each shell fragment 432 of the first spring element 43 be sheathed on the first pivot 41 positions between pin-joint part 21 opposite sides and urgent 46, be beneficial to that (for example nut) forms frictional force assisted action by adjusting urgent 46.

Again as shown in Figure 3, lower pin-joint part 22 at connecting element 20 is provided with accommodating structure 221, rotate interference piece 52 with accommodating second, also be provided with radially short slot 222 at the wall of accommodating structure 221, and be also provided with radially extension block 521 at the second rotation interference piece 52 peripheries, radially extension block 521 imports radially in short slot 222 so that the second rotation interference piece 52 is positioned in accommodating structure 221, thereby synchronize start with connecting element 20, and the axial surface of contact at the second rotation interference piece 52 and fixing interference piece 53 forms the male and fomale(M&F) 522 cooperatively interacting, 531 (shown in Fig. 3 and Figure 12, the second male and fomale(M&F) 522 that rotates interference piece 52 is respectively equipped with projection, between each projection, form groove, and the male and fomale(M&F) 531 of corresponding fixing interference piece 53 is respectively equipped with for the chimeric corresponding projection of each groove, between each corresponding projection, form respective slot chimeric for each projection of the second rotation interference piece 52), therefore when connecting element 20 is while lying low attitude with respect to base 10, each projection of the second rotation interference piece 52 as shown in figure 11, can be overlapped in the each corresponding projection of fixing interference piece 53, the second rotation interference piece 52 is pushed against each other with fixing interference piece 53, continue starting in the process of connecting element 20, second rotates interference piece 52 makes each projection slippage form friction each other in each corresponding projection along with rotation, until each projection of the second rotation interference piece 52 as shown in Figure 9, slip in the each corresponding projection of fixing interference piece 53, make the second rotation interference piece 52 and fixing interference piece 53 closed each other, to allow connecting element 20 be with respect to base 10 attitude of halting, the supporting effect that forms, make connecting element 20 there is enough support forces with opposing gravity effect, thereby connecting element 20 is erected in the position of peak and form the situation that location declines with prevention generation.

Described accommodating structure 221 can adopt groove (as shown in the lower pin-joint part 22 as right-hand in Fig. 7) to implement; also can adopt through hole to implement; (can contrast the lower pin-joint part 22 of Fig. 7 left) as shown in Figure 3; accommodating structure 221 and short slot 222 axially run through respectively lower pin-joint part 22; make further accommodating fixing interference piece 53 of accommodating structure 221; thereby form protection effect, avoid affecting and between the second rotation interference piece 52 and fixing interference piece 53, be pushed against each other and closed effect.

Again as shown in Figure 3, the second spring element 54 comprises multiple torsion springs 541 and multiple shell fragment 542, and each torsion spring 541 one end of the second spring element 54 are positioned the bottom of connecting element 20, make the second pivot device 50 also after rotation, can produce revolution effect, have more supporting effect and make the display unit (accompanying drawing is not shown) that connecting element 20 and pivot brackets 60 connect form the attitude of standing.Each torsion spring 541 the other ends of the second spring element 54 are positioned on base 10, at least two shell fragments 542 of the second spring element 54 are in abutting connection with fixing interference piece 53 to help axial interaction, and then form the second friction torsion rotating between interference piece 52 and fixing interference piece 53, and be provided with ring 543 between fixing interference piece 53 and described at least two shell fragments 542, thereby there is effect of anti-different sound, ring 543 is sheathed on the second pivot 51 and is positioned the annular groove 532 of fixing interference piece 53, and annular groove 532 lays respectively at male and fomale(M&F) 531 relative two axial vane surfaces of fixing interference piece 53.Other shell fragment 542 (referring to right-hand 22 places, lower pin-joint part of Fig. 7) of the second spring element 54 is sheathed on the second pivot 51 positions between lower pin-joint part 22 opposite sides and urgent 56 (as nut), (referring to Fig. 1) when solid detained by C shape cramp 55 in the one end that makes the second pivot 51, and the other end of the second pivot 51 forms frictional force assisted action by adjusting urgent 56.

In addition, in the present embodiment, between the upper and lower pin-joint part 21,22 of connecting element 20, be to be formed in one and sweeping connection plate body 23, the curved shape position that wherein connects plate body 23 is nearly lower pin-joint part 22, position, thereby there is structural strength and form containing space in a side that connects plate body 23, appearance member (for example base shell) for accommodating base 10 arranges, and being beneficial to connecting element 20 can be the attitude that lies low on base 10.And; between the upper and lower rod end 31,32 of connecting rod 30, there is the corresponding curved shape body of rod 33 that connects plate body 23 shapes; and at the multiple grooves 231 of side plate face spread configuration that connect plate body 23; each groove 231 is respectively to extend to lower pin-joint part 22 by upper pin-joint part 21 along this plate face that connects plate body 23; with the curved shape body of rod 33 of accommodating connecting rod 30; thereby form protection effect, and the curved shape body of rod 33 activities that supply connecting rod 30.In addition, other all right accommodating electrical wiring of groove 231, the whole storage of provide (shenglvehao)with foreign exchange is used.

In addition, at the supplemental support sheet 25 that connects the side plate face of plate body 23 and be provided with positioning part 232 and be arranged at positioning part 232, therefore allow positioning part 232 be communicated with groove 231 and make supplemental support sheet 25 contact support link 30.As shown in figure 14, positioning part 232 is location shallow slot, be arranged at connection plate body 23 positions between two grooves 231, make the relative dual-side of positioning part 232 be communicated with respectively groove 231, and make the relative dual-side of supplemental support sheet 25 can touch respectively the curved shape body of rod 33 of the connecting rod in each groove 231, thereby form elastic support effect, contribute to prevent that connecting rod 30 is out of shape and guarantees interlock effect.For have aesthetic and because of connecting element 20 itself be to be appearance member, can connect again cover plate 24 in the front side of connecting element 20 as shown in figure 14, with the curved shape body of rod 33 of the front side structure of hidden connection plate body 23 and the upper pin-joint part 21 of connecting element, connecting rod 30 and connecting rod.

In addition, as shown in Figure 2, the supporting structure of the present embodiment further includes pivot brackets 60, pivot brackets 60 comprises integrated pin-joint part 61 and joint 62, and the pin-joint part 61 that the first pivot 41 is axially worn and is sticked in pivot brackets 60 is to form synchronous rotation, for example, and joint 62 can connect display unit (liquid crystal disply device, not shown) again.Wherein, be articulated in the first pivot 41 of pin-joint part 21 on connecting element 20 and be also arranged with banking stop 47, and make the first pivot 41 axially through the axis hole of banking stop 47, also make banking stop 47 drive pivot brackets 60.Again as shown in Figure 3, be articulated in the second pivot 41 of 20 times pin-joint parts 22 of connecting element, axially wear the axis hole of base pin-joint part 11, thereby visual in Fig. 2 and Fig. 3, around each axis hole, be respectively equipped with pin-jointed structure 471, 111, to allow the upper of connecting rod 30, lower rod end 31, 32 are articulated in respectively the pin-jointed structure 471 of banking stop 47 and the pin-jointed structure 111 of base 10 pin-joint parts 11, on connecting rod 30, rod end 31 is to be articulated in the pin-jointed structure 471 (referring to Fig. 2) being connected between banking stop 47 and the first rotation interference piece 42, base 10 pin-joint parts 11 be by spaced two radially sheet collocation pin-jointed structure 111 formed (referring to Fig. 3), the lower rod end 32 that makes connecting rod 30 is to be articulated in two radially connected pin-jointed structures 111 between sheet, thereby in the time that connecting element 20 is halted, make pin-jointed structure 111 (being the lower rod end 32 of the connecting rod 30) position of base 10 pin-joint parts 11 higher than base 10 axis holes (being also the axis hole higher than lower pin-joint part 32), and the pin-jointed structure 471 of banking stop 47 (being the upper rod end 31 of connecting rod 30) is also higher than the axis hole of upper pin-joint part 31, make connecting rod 30 side by side form and shift to install with connecting element 20, and be sheathed on respectively first by banking stop and base pin-joint part, the second pivot, make connecting rod, banking stop, base pin-joint part and connecting element pivot joint form staggered quadratic crank mechanism.

Above-mentioned each pin-jointed structure 111,471 can adopt axial hitching post, or is formed in one in the axial projection of sheet or banking stop radially, and each pin-jointed structure 471,111 is different to the distance of each axis hole, forms and is staggered and unequal-sided quadratic crank mechanism.First pivot 41 bodies of rod in Fig. 2 are non-circular shape, the pin-joint part 61 of pivot brackets 60 and the axis hole of stop tab 45 are the non-circular shaft hole of corresponding the first pivot 41 body of rod shapes, to form clamping effect, after limited 47 of pivot brackets 60 driven, stop tab 45 and the first pivot 41 can synchronous rotaries.Second pivot 51 bodies of rod in Fig. 3 are also non-circular shape, base pin-joint part 11 and fixing interference piece 53 are the non-circular shaft hole of corresponding the second pivot 51 body of rod shapes, also form clamping effect, the second pivot 51 is not rotated with link driving element 20, thereby started to the process of the attitude of halting by the attitude that lies low at connecting element 20, connecting rod 30 draws banking stop 47 and rotates, and then (making banking stop 47 by butt tenon 472) drives pivot brackets 60 synchronous rotaries, make pivot brackets 60 be turn to the front side (referring to Fig. 1) of connecting element 20 by the rear side (referring to Fig. 4) of connecting element 20, and make display unit (not shown) also change setting attitude into by the attitude that lies low.

Though the utility model has disclosed preferably specific embodiment for achieving the above object; but it is not in order to limit the structure characteristics of the present embodiment; those skilled in the art are to be understood that; under the technical spirit of the present embodiment, any apparent variation or amendment are all possible and all fall into the protection domain of the present embodiment claim.

Description of reference numerals

10 base 11 pin-joint parts

111 pin-jointed structures

Pin-joint part on 20 connecting element 21

22 times pin-joint part 221 accommodating structures

222 short slots 23 connect plate body

231 groove 232 positioning parts

24 cover plate 25 supplemental support sheets

Rod end on 30 connecting rods 31

32 times rod end 33 curved shape bodies of rod

40 first hinge gas 41 first pivots

42 first rotate interference piece 421 protuberances

43 first spring element 431 torsion springs

432 shell fragment 44 frictional interference sheets

441 long recess 442 steps

45 urgent of stop tab 46

47 bounding means 471 pin-jointed structures

472 butt tenons

50 second pivot device 51 second pivots

52 second rotate interference piece 521 extension blocks

The fixing interference piece of 522 male and fomale(M&F) 53

531 male and fomale(M&F) 532 annular grooves

54 second spring element 541 torsion springs

542 shell fragment 543 rings

55 urgent of fasteners 56

60 pivot brackets 61 pin-joint parts

62 joints

Claims

1. A support structure, characterized in that it comprises:

The base has a pivot joint;

A connecting element, the upper and lower ends of which are respectively provided with an upper pivot joint and a lower pivot joint;

The first hinge includes a first pivot and a first rotation interference member sheathed on the first pivot, and the first pivot axially passes through the upper pivot portion of the connecting element to form a pivot and generate torsion;

a connecting rod, the upper rod end of the connecting rod is pivotally connected to the first rotating interference member for synchronous action, and the lower rod end of the connecting rod is pivotally connected to the pivot joint of the base; and

The second hinge includes a second pivot and a second rotating interference piece sleeved on the second pivot, a fixed interference piece and a second elastic member, the second rotating interference piece and the fixed interference piece are in contact with each other, and the second The pivot shaft axially passes through the lower pivotal portion of the connecting element and the pivotal portion of the base to form a pivotal connection, so that the second rotating interference member is positioned on the lower pivotal portion of the connecting element, and the fixed interference member covers It is set and clamped on the second pivot to interact with the second elastic member, so that the connecting element is lifted from the lying position to the standing position relative to the base, and the second rotating interference member is rotated in conjunction with the fixed interference member. Friction pushes each other to a closed state to form a torque change.

2. The support structure according to claim 1, wherein the first pivot shaft is further sleeved with a friction interference plate, the friction interference plate is positioned on the upper pivot joint and contacts the first rotation interference member, and at the second Protrusions are respectively provided on the periphery of the contact surface of a rotating interference piece, and long recesses are respectively provided on the opposite two peripheries of the friction interference piece, and steps with short slope surfaces are formed between the long recesses, so that the protrusions slide on the The first rotation interference piece is closed to the friction interference sheet in each long concave portion, or each protrusion is pressed against each step of the friction interference sheet so that the first rotation interference piece pushes the friction interference sheet.

3. The support structure according to claim 1, wherein the first pivot shaft is also sleeved with a first elastic member, the first elastic member includes a plurality of torsion springs and a plurality of elastic pieces, and each torsion member of the first elastic member One end of the spring is positioned on the top of the connecting element, and the other end of each torsion spring of the first elastic member is positioned on the stop piece through which the first pivot passes. The first pivot point between the pressing members.

4. The supporting structure according to claim 1, characterized in that, an accommodation structure is provided at the lower pivot joint of the connecting element to accommodate the second rotating interference member, and a diameter is also provided on the wall surface of the accommodation structure. There is also a radially extending block on the periphery of the second rotating interference member, and the radially extending block is introduced into the radially recessing groove to position the second rotating interference member in the accommodating structure, so as to be compatible with the The connecting elements act synchronously, and form concavo-convex surfaces that cooperate with each other on the axial contact surfaces of the second rotating interference piece and the fixed interference piece.

5 . The supporting structure according to claim 4 , wherein the accommodating structure and the notch respectively axially pass through the lower pivot joint, so that the accommodating structure can further accommodate the fixed interference member. 6 .

6. The support structure according to claim 1, wherein the second elastic member comprises a plurality of torsion springs and a plurality of elastic sheets, one end of each torsion spring of the second elastic member is positioned at the bottom of the connecting element, and the second elastic force The other end of each torsion spring of the second elastic member is positioned on the base, at least two elastic pieces of the second elastic member are adjacent to the fixed interference piece to help axial interaction, and there is a set between the fixed interference piece and the at least two elastic pieces. ring.

7. The support structure according to claim 1, characterized in that, between the upper and lower pivot joints of the connecting element is an integrally formed and curved connecting plate body, and between the upper and lower pivot joints of the connecting rod There is a curved rod body corresponding to the shape of the connecting plate body between the rod ends, and a plurality of grooves are arranged on one side of the connecting plate body, and each groove is respectively from the upper pivot joint along the plate of the connecting plate body. The surface extends to the lower pivot joint to accommodate the curved rod body of the connecting rod.

8. The supporting structure according to claim 1, characterized in that, a positioning portion and an auxiliary support piece arranged on the positioning portion are provided on one side of the connecting plate body, and the positioning portion communicates with the groove to make the auxiliary support The plate contacts and supports the connecting rod.

9. The supporting structure according to claim 1, further comprising a pivoting bracket, the pivoting bracket includes an integrally formed pivoting part and a connecting part, and the first pivot shaft axially penetrates and engages in the The pivot joint of the pivot bracket is formed to rotate synchronously, the first pivot is also sleeved with a limiting piece, and the first pivot axially passes through the shaft hole of the limiting piece, and the limiting piece drives the pivot The second pivot shaft is the shaft hole passing through the pivot joint part of the base in the axial direction, and a pivot joint structure is respectively arranged around each shaft hole, so that the upper and lower rod ends of the connecting rod are respectively pivotally connected to the limit shaft. The pivotal joint structure of the position piece and the pivotal joint structure of the pivotal joint part of the base.

10. The support structure according to claim 9, wherein the pivotal structure of the base pivotal portion is higher than the shaft hole of the base, and the pivotal structure of the limiting piece is higher than that of the upper pivotal portion. shaft hole, and then respectively sleeved on the first and second pivot shafts through the limiting piece and the pivot joint of the base, so that the connecting rod, the limiting piece, the pivot joint of the base and the connecting element are pivotally connected to form a staggered four Linkage.