CN213849654U

CN213849654U - Folding support and folding swing chair comprising same

Info

Publication number: CN213849654U
Application number: CN202022016005.7U
Authority: CN
Inventors: 赵发喜
Original assignee: Shanghai Kunjie Hardware Tool Co Ltd
Current assignee: Shanghai Kunjie Hardware Tool Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-08-03
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a folding bracket and a folding swing chair, which comprises a linkage mechanism, a support structure and a connecting rod, wherein the support structure comprises at least two groups, one group of support structure comprises a main support rod, an auxiliary support structure and a sliding part respectively, and the auxiliary support structure is connected on the main support rod through the sliding part in a sliding way; the linkage mechanism comprises at least two linkage rods which are arranged in a crossed manner, and two end parts of each linkage rod are respectively hinged with the connecting piece and the sliding piece; at least one connecting rod, the connecting rod is connected in a foldable manner, and two end parts of the connecting rod are respectively hinged with the connecting piece; at least one main support bar is hinged to the connecting bar. The utility model discloses a folding support passes through main tributary vaulting pole, connecting rod to the fixed action of two connecting pieces to realized folding support's self-locking, for prior art, the utility model discloses need not use supplementary locking structure, consequently use simpler, convenient.

Description

Folding support and folding swing chair comprising same

Technical Field

The utility model relates to a folding support especially relates to a folding support, folding swing chair for hanging seat.

Background

The swing chair is a seat capable of rocking, generally comprises a sitting structure and a supporting structure, a user sits on the sitting structure and can rock the body, leisure and comfortable sitting experience is provided, and the swing chair is widely applied to outdoor leisure, outdoor camping and other scenes.

For ordinary seat, swing chair's health has bigger support area, and the structure is more complicated, and the volume is bigger, and the handling is inconvenient, for the transport, adopts beta structure usually, and the handling is folded into less volume, expandes during the use.

CN210249188U and WO2019237709a1 each disclose a folding swing chair, in which a locking pin structure is required to fix the support when the support is unfolded. Because folding swing chair is bilateral symmetry's structure usually, and the lockpin also sets up for the symmetry promptly, consequently need guarantee simultaneously when the support expandes that the lockpin of both sides locks simultaneously, can realize the fixed of support smoothly, consequently this kind of structure makes the expansion and the folding process of folding swing chair very inconvenient, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folding support and folding swing chair can solve the above-mentioned defect among the prior art.

The technical scheme of the utility model as follows:

a folding stand, comprising: at least two sets of support structures, a first set of support structures and a second set of support structures; wherein the first set of support structures comprises a first main support bar, a first auxiliary support structure and a first slide, the first auxiliary support structure being slidably connected to the first main support bar by the first slide; the second group of support structures comprises a second main support rod, a second auxiliary support structure and a second sliding piece, wherein the second auxiliary support structure is connected to the second main support rod in a sliding mode through the second sliding piece; the linkage mechanism comprises at least two linkage rods arranged in a crossed mode, a first linkage rod and a second linkage rod, one end portion of the first linkage rod is hinged with the first auxiliary supporting structure through a first connecting piece, the other end portion of the first linkage rod is hinged with the second sliding piece, one end portion of the second linkage rod is hinged with the second auxiliary supporting structure through a second connecting piece, and the other end portion of the second linkage rod is hinged with the first sliding piece; at least one connecting rod, wherein the connecting rod is connected in a foldable manner, and two end parts of the connecting rod are respectively hinged with the first connecting piece and the second connecting piece; at least one of the first main supporting rod and the second main supporting rod is hinged to the connecting rod, and in an unfolded state, the folding bracket realizes self-locking of the folding bracket through the retention effect of the main supporting rod and the connecting rod on the two connecting pieces.

The utility model discloses an expansion and the folding process of folding support are the linkage, only need operate two sliders, just can realize expansion and folding of folding support, for prior art, because do not need supplementary lockpin or bolt structure to realize the locking, consequently it is more convenient to use.

In one embodiment, the connecting bar comprises a first fold and a second fold, wherein the first main support bar is hinged to the first fold and the second main support bar is hinged to the second fold. Namely, two main tributary vaulting poles are articulated respectively and are fixed at the both ends of connecting rod, and the connecting rod plays the fixed action to two connecting pieces and realizes from the locking to, stable in structure.

In one embodiment, the connecting rod comprises a first fold and a second fold at both ends, the first fold being hinged to the first connector and the second fold being hinged to the second connector, wherein the first main support bar is hinged to the first fold and the second main support bar is hinged to the second connector or to the second linkage bar.

In one embodiment, the first folding portion and the second folding portion are hinged, and the connecting rod is further provided with a locking structure for locking the first folding portion and the second folding portion. The structure of the folding bracket is more stable in the unfolding state, and the folding bracket is more convenient to use. The locking structure can make the folding bracket unfolded and fixed even in uneven places.

Wherein, the locking structure can be connected with the connecting rod in a sliding way, or the locking structure is connected with the connecting rod in a rotating way. In particular, the locking structure can be a sleeve sleeved on the connecting rod or a locking structure hinged on the first section or the second section.

In one embodiment, each of the first auxiliary support structure and the second auxiliary support structure includes at least two auxiliary support bars and a stabilizer bar, in one set of auxiliary support structures, one end of each of the two auxiliary support bars is hinged to the first sliding member or the second sliding member, the other end of each of the two auxiliary support bars is hinged to a stabilizer bar, and the end of each of the two stabilizer bars is hinged to the first connecting member or the second connecting member.

The utility model also provides a folding support, include: at least two sets of support structures, a first set of support structures and a second set of support structures; wherein the first set of support structures comprises a first main support bar, a first auxiliary support structure and a first slide, the first auxiliary support structure being slidably connected to the first main support bar by the first slide; the second group of support structures comprises a second main support rod, a second auxiliary support structure and a second sliding piece, wherein the second auxiliary support structure is connected to the second main support rod in a sliding mode through the second sliding piece; the linkage mechanism comprises at least two linkage rods arranged in a crossed mode, a first linkage rod and a second linkage rod, one end portion of the first linkage rod is hinged with the first auxiliary supporting structure through a first connecting piece, the other end portion of the first linkage rod is hinged with the second sliding piece, one end portion of the second linkage rod is hinged with the second auxiliary supporting structure through a second connecting piece, and the other end portion of the second linkage rod is hinged with the first sliding piece; at least one connecting rod, two ends of the connecting rod are respectively connected with the first sliding piece and the second sliding piece; the end part of the first main supporting rod and the end part of the second main supporting rod are hinged and fixed respectively; when the foldable support is unfolded, the connecting rod is used for fixing the two sliding parts, so that the self-locking of the foldable support is realized.

Due to the retaining effect of the connecting rod on the two sliding parts, compared with the prior art, no auxiliary bolt or lock pin structure is needed for locking, and therefore, the use is more convenient.

In one embodiment, the first main support bar is hinged to the first link and the second main support bar is hinged to the second link.

In one embodiment, the first main support bar is hinged to the first linkage bar and the second main support bar is hinged to the second linkage bar.

In one embodiment, in the unfolded state, the connecting rod is a straight rod, or the connecting rod is bent towards the linkage mechanism to make room.

In one embodiment, the connecting rod is not foldable, the first sliding part and the second sliding part are respectively provided with a jack, and two ends of the connecting rod are respectively inserted into the jacks.

In one embodiment, the connecting rod comprises a first folding part and a second folding part which are positioned at two ends, the first folding part and the second folding part are arranged in a foldable mode, and the connecting rod is further provided with a locking structure used for locking the first folding part and the second folding part.

In one embodiment, the first fold is hinged to the first main support bar, and further comprises at least two auxiliary connecting bars, wherein two ends of one of the auxiliary connecting bars are hinged to the first fold and the first main support bar, respectively, and two ends of the other auxiliary connecting bar are hinged to the second fold and the second main support bar, respectively. Through setting up supplementary connecting rod, can realize the expansion of folding support and the linkage of folding in-process, further simplify the operation, it is more convenient to use.

A folding swing chair comprising a folding support as described in any one of the preceding claims.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the folding bracket of the utility model can be folded and stored, when not in use, the folding bracket can be folded and unfolded when in use, thereby reducing the space occupied by the folding bracket; additionally, the utility model discloses an articulated connection between auxiliary stay pole, stabilizer bar, main tributary vaulting pole, gangbar and the connecting rod is especially acted or is acted on to the maintenance of two sliders through the connecting rod to the maintenance of two connecting pieces through the connecting rod for can realize self-locking under the expansion state, and need not be with the help of supplementary locking structure, consequently, for current folding support, the utility model discloses a folding support uses more conveniently.

Second, the utility model discloses a locking structure realizes the locking effect to the connecting rod, even consequently in uneven position of topography, folding support still can normal use, stable in structure.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

Fig. 1 is a schematic view of the overall structure of a folding bracket according to embodiment 1 of the present invention;

fig. 2 is an exploded view of the folding bracket according to embodiment 1 of the present invention;

fig. 3 is another overall structural schematic diagram of the folding bracket according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of the folding bracket of embodiment 1 of the present invention in a folded state;

fig. 5 is a schematic view of a connecting rod setting locking structure according to embodiment 1 of the present invention;

fig. 6 is another schematic structural view of a connecting rod setting locking structure according to embodiment 1 of the present invention;

fig. 7 is a schematic structural view of the first and second sliding members according to embodiment 1 of the present invention;

fig. 8 is a schematic structural view of the first and second connecting members according to embodiment 1 of the present invention;

fig. 9 is a schematic structural view of a support portion according to embodiment 1 of the present invention;

fig. 10 is a schematic structural view of a folding bracket according to embodiment 2 of the present invention;

fig. 11 is another schematic structural view of the folding bracket according to embodiment 2 of the present invention;

fig. 12 is another schematic structural view of the folding bracket according to embodiment 2 of the present invention;

fig. 13 is a schematic structural view of a folding bracket according to embodiment 3 of the present invention;

fig. 14 is a schematic structural view of a folding bracket according to embodiment 4 of the present invention.

Reference numerals: a connecting rod 10; a first set of support structures 2-1; a second set of support structures 2-2; a first fold portion 11; a second fold portion 12; a locking structure 13; an auxiliary connecting rod 14; a first slider 4-1; a second slide 4-2; a support portion 5; a first connecting member 6-1; a second connecting member 6-2; a pin 7; a first auxiliary support structure 210; a second auxiliary support structure 220; a first main support lever 211; a second main support rod 221; an auxiliary support rod 22; a stabilizer bar 23; a link mechanism 30; a first linkage rod 31; a second linkage rod 32; a trepan 40; a first hinge 41; a second hinge 43; the third hinge portion 42; a fitting hole 51; a stabilizer bar mounting portion 52; an end face 60; the first connection portion 61; a second connecting portion 62; the third connecting portion 63; and a fourth connecting portion 64.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further described with reference to the following specific examples.

Example 1

The present embodiment provides a foldable support, which is a schematic structural diagram of the foldable support in the present embodiment, referring to fig. 1 to 9, wherein,

the folding bracket comprises: the device comprises at least two groups of supporting structures, a linkage mechanism 30 and at least one connecting rod 10, wherein the two groups of supporting structures comprise a first group of supporting structures 2-1 and a second group of supporting structures 2-2; wherein the first set of support structures 2-1 comprises a first main support bar 211, a first auxiliary support structure 210 and a first sliding member 4-1, the first auxiliary support structure 210 is slidably connected to the first main support bar 211 by the first sliding member 4-1; the second group of support structures 2-2 comprises a second main support rod 221, a second auxiliary support structure 220 and a second sliding member 4-2, wherein the second auxiliary support structure 220 is slidably connected to the second main support rod 221 through the second sliding member 4-2; the linkage mechanism 30 comprises at least two linkage rods arranged in a crossed mode, a first linkage rod 31 and a second linkage rod 32, one end portion of the first linkage rod 31 is hinged to the first auxiliary supporting structure 210 through a first connecting piece 6-1, the other end portion of the first linkage rod 31 is hinged to the second sliding piece 4-2, one end portion of the second linkage rod 32 is hinged to the second auxiliary supporting structure 220 through a second connecting piece 6-2, and the other end portion of the second linkage rod 32 is hinged to the first sliding piece 4-1;

at least one connecting rod 10, wherein the connecting rod 10 is connected in a foldable manner, and two ends of the connecting rod 10 are respectively hinged with the first connecting piece 6-1 and the second connecting piece 6-2; at least one of the first main supporting rod 211 and the second main supporting rod 221 is hinged to the connecting rod 10, and in the unfolded state, the foldable stent realizes self-locking of the foldable stent through the retention effect of the main supporting rod and the connecting rod 10 on the two connecting pieces.

The first main supporting rod 211 or the second main supporting rod 221 is hinged to the connecting rod 10, and in the unfolded state, the folding bracket realizes self-locking of the folding bracket through the retention effect of one main supporting rod and the connecting rod 10 on the first connecting piece 6-1 and the second connecting piece 6-2. When the sliding member 4 moves upward and drives the first auxiliary supporting structure 210 and the second auxiliary supporting structure 220 to move upward, the connecting rod 10 is folded relatively, so that the foldable support is folded to a folded state, see fig. 4 which is the folded state of this embodiment. The unfolding and folding processes of the folding support are linked, the folding and unfolding of the folding support can be realized only by operating the first sliding piece 4-1 and the second sliding piece 4-2, and compared with the prior art, the folding support is more convenient to use because an auxiliary locking pin or a pin structure is not needed for realizing locking.

In this embodiment, the folding bracket includes two sets of support structures, the connecting rod 10 includes a first folding portion 11 and a second folding portion 12, the first folding portion 11 is hinged to the first connecting member 6-1, and the second folding portion 12 is hinged to the second connecting member 6-2. The first main supporting rod 211 of the present embodiment is hinged to the first folding portion 11, and the second main supporting rod 221 is hinged to the second folding portion 12. Namely, the two main supporting rods are respectively hinged and fixed at two ends of the connecting rod 10, and the connecting rod 10 plays a role in fixing the two connecting pieces to realize self-locking. Moreover, the two main support rods support the connecting rod 10, so that a more stable fixing effect can be achieved.

In another alternative embodiment, the first main supporting rod 211 is hinged to the first folding part 11, the second main supporting rod 221 is hinged to the second connecting part 6-2, or the second main supporting rod 221 is hinged to the second linkage rod 32.

In this embodiment, the connecting rod 10 is composed of a first folding portion 11 and a second folding portion 12, and the first folding portion 11 is hinged to the second folding portion 12. The hinge may be connected by a hinge or by a pin. In the unfolded state, the connecting rod 10 can be more stable due to the downward acting force exerted by the main supporting rod 21, so that the fixing effect on the first connecting piece 6-1 and the second connecting piece 6-2 is realized. When the first sliding part 4-1 and the second sliding part 4-2 move upwards and exert a force towards the center, the connecting rod 10 is folded at the hinged position, and the folding bracket can be folded to the folding state.

In a preferred embodiment, the connecting rod 10 further comprises a locking structure 13 for locking the first fold 11 with the second fold 12. The locking structure 13 can make the folding bracket unfold and straighten and fix the connecting rod 10 even if it is placed on uneven ground.

Specifically, referring to fig. 5 and 6, in this embodiment, the locking structure 13 is slidably connected to the connecting rod 10, the locking structure 13 is a sleeve that is sleeved on the connecting rod 10, when the sleeve slides on the first folding portion 11 or the second folding portion 12, the sleeve can be folded and stored, when the folding bracket is unfolded, the sleeve slides on the hinge joint of the first folding portion 11 and the second folding portion 12, so that the fixing effect on the connecting rod 10 can be achieved, and the connecting rod 10 is prevented from being folded due to uneven ground and difficult to fix. Of course, in other embodiments, the locking structure 13 is pivotally connected to the connecting rod 10, such as pivotally connected to the first folding portion 11 or the second folding portion 12, and fixed at the second folding portion 12 and the first folding portion 11, so as to achieve the locking effect on the connecting rod 10.

In this embodiment, each of the first auxiliary support structure 210 and the second auxiliary support structure 220 includes at least two auxiliary support rods 22 and stabilizer bars 23, in one set of auxiliary support structures, one end of each of the two auxiliary support rods 22 is hinged to the first slider 4-1 or the second slider 4-2, the other end of each of the two auxiliary support rods 22 is hinged to a stabilizer bar 23, and the end of each of the two stabilizer bars 23 is hinged to the first connector 6-1 or the second connector 6-2.

The two auxiliary support bars 22 are symmetrically arranged at both sides of the first main support bar 211 or the second main support bar 221, and the two stabilizer bars 23 are symmetrically arranged, wherein the two stabilizer bars 23 should be connected at a predetermined position between the two auxiliary support bars 22, so that the structure of the folding bracket is more stable and reliable.

In this embodiment, the first connecting member 6-1 and the second connecting member 6-2 are hinged at two ends of the connecting rod 10, and the first main supporting rod 211 and the second main supporting rod 221 are hinged at a predetermined position near the center of the connecting rod 10. The main support rod, the connecting rod 10 and the linkage rod are arranged in pairs to form a predetermined angle, and the predetermined angle stabilizes the connecting piece at a target position. Therefore, the connecting pieces arranged at the two ends of the connecting rod 10 can enable the folding bracket to be more compact in a folding state, so that the occupied area of the bracket is reduced, and the folding bracket is convenient to store.

Referring to fig. 7, the first sliding member 4-1 and the second sliding member 4-2 are sliding sleeves, each sliding sleeve includes a sleeve hole 40, a first hinge portion 41, a second hinge portion 43, and a third hinge portion 42, the sleeve hole 40 is sleeved on the main supporting rod 21, and the first hinge portion 41, the second hinge portion 43, and the third hinge portion 42 are disposed in the circumferential direction of the sleeve hole 40. The two auxiliary support rods 22 are hinged to the first hinge portion 41 and the second hinge portion 43, and the third hinge portion 42 is hinged to the first linkage rod 31 and the second linkage rod 32.

Referring to fig. 8, the first connecting member 6-1 and the second connecting member 6-2 have the same structure, are symmetrically arranged, and have a flat end surface 60, and when the folding bracket is in the unfolded state, the folding bracket is supported by the flat end surface 60 and the ground. The end surface 60 is circumferentially provided with a first connecting portion 61, a second connecting portion 62, a third connecting portion 63 and a fourth connecting portion 64, wherein the first connecting portion 61 and the second connecting portion 62 are symmetrically arranged and hinged to the stabilizer bar 23, and the third connecting portion 63 and the fourth connecting portion 64 are symmetrically arranged and hinged to a linkage rod and the connecting rod 10.

Referring to fig. 9, the auxiliary support rod 22 is connected to the stabilizer bar 23 through a support portion 5, wherein the support portion 5 includes an assembly hole 51 and a stabilizer bar mounting portion 52, the auxiliary support rod 22 is fitted in the assembly hole 51, and the stabilizer bar 23 is hinged to the stabilizer bar mounting portion 52.

In this embodiment, the two linkage rods are rotatably connected at the intersection through a pin 7, so as to further fix the linkage rods.

In the embodiment, the two support structures are symmetrically arranged, in one auxiliary support structure, the two auxiliary support rods 22 are the same in size, the two stabilizer bars 23 are the same in size, the production process and the assembly process are simplified, the structural symmetry of the whole folding support in the unfolding state is ensured, the stress is more uniform, and the structure is more stable.

In this embodiment, the first main supporting rod 211, the second main supporting rod 221, the auxiliary supporting rod 22, the stabilizing rod 23, the connecting rod 10, and the linkage rod are straight rods, and are hinged through a connecting hole and a pin. Of course, other hinge arrangements may be used to achieve the same effect.

The first main support rod 211 and the second main support rod 221 of the present embodiment are used for supporting a load, such as a chair lift.

The folding bracket of the embodiment is used as follows:

when the first sliding part 4-1 and the second sliding part 4-2 move upwards and exert a force towards the center on the first main supporting rod 211 and the second main supporting rod 221, the folding bracket can be folded and stored; when the first sliding piece 4-1 and the second sliding piece 4-2 slide downwards and exert an outward force on the two main supporting rods, the folding bracket is unfolded and fixed.

Example 2

The present embodiment provides a folding bracket, referring to fig. 10-12, the structure of the folding bracket of the present embodiment is similar to that of embodiment 1, except that in the present embodiment, two ends of the connecting rod 10 are respectively connected to the first sliding member 4-1 and the second sliding member 4-2, wherein the ends of the first main supporting rod 211 and the second main supporting rod 221 are respectively fixed in an articulated manner, and in the unfolded state, the folding bracket connecting rod 10 retains the two sliding members, thereby achieving the self-locking of the folding bracket.

The connecting rod 10 of the present embodiment is used to fix the first slider 4-1 and the second slider 4-2. In the unfolded state, due to the retention effect of the connecting rod 10 on the two sliding parts, compared with the prior art, no auxiliary latch or lock pin structure is needed for locking, and therefore, the use is more convenient.

Referring to fig. 10, in the present embodiment, the end of the first main support rod 211 is hinged to the first connecting member 6-1, and the end of the second main support rod 221 is hinged to the second connecting member 6-2, so that the manufacturing process and the assembling process are simpler.

In another embodiment, the end of the first main supporting rod 211 can also be hinged to the first linkage rod 31, and the end of the second main supporting rod 221 is hinged to the second linkage rod 32, which can also achieve the effects of this embodiment, as shown in fig. 11 and 12.

In this embodiment, when the foldable support is in the unfolded state, the connecting rod 10 is a straight rod, see fig. 11.

Specifically, the inner sides of the first sliding member 4-1 and the second sliding member 4-2 are respectively provided with a jack (not shown in the figure), the connecting rod 10 is not foldable, and two ends of the connecting rod 10 are respectively inserted into the jacks. At this time, the connecting rod 10 cannot be folded, and thus the connecting rod 10 can achieve the relative fixation of the two sliders. When the first sliding part 4-1 and the second sliding part 4-2 move downwards to a distance slightly larger than the length of the connecting rod 10, the connecting rod 10 is installed or disassembled, and the unfolding and folding of the folding bracket can be realized.

In another preferred embodiment, see fig. 12, the connecting rod 10 is a bent rod, the connecting rod 10 being bent on the side facing the linkage to make more room for easy installation of the chair lift.

The folding bracket of the embodiment has the following use process:

the first sliding part 4-1 and the second sliding part 4-2 move downwards, the connecting rod 10 is removed, the first sliding part 4-1 and the second sliding part 4-2 move upwards, and the folding bracket can be folded and stored; the first sliding piece 4-1 and the second sliding piece 4-2 slide downwards and are provided with the connecting rod 10, and the folding bracket is unfolded and fixed.

Example 3

The present embodiment provides a folding bracket, which is an improvement on the basis of embodiment 2, and referring to fig. 13, wherein the connecting rod 10 includes a first folding portion 11 and a second folding portion 12 located at two ends, the first folding portion 11 and the second folding portion 12 are arranged in a foldable manner, and the connecting rod 10 is further provided with a locking structure 13 for locking the first folding portion 11 and the second folding portion 12.

Specifically, locking structure 13 and connecting rod 10 sliding connection, locking structure 13 are a set and establish sleeve pipe on connecting rod 10, when the sleeve pipe slides in first folded portion 11 or second folded portion 12, can fold and accomodate, when folding support expandes, slide the sleeve pipe in the articulated department of first folded portion 11 with second folded portion 12, just can realize the fixed action to connecting rod 10, prevent to make connecting rod 10 folded and be difficult to realize fixedly because uneven ground. Of course, in other embodiments, the locking structure 13 is pivotally connected to the connecting rod 10, such as pivotally connected to the first folding portion 11 or the second folding portion 12, and fixed at the second folding portion 12 and the first folding portion 11, so as to achieve the locking effect on the connecting rod 10.

Example 4

This embodiment provides a folding bracket modified from embodiment 3, see fig. 14, in which the first folding portion 11 and the second folding portion 12 are respectively provided with an auxiliary connecting rod 14, two ends of one of the auxiliary connecting rods 14 are respectively hinged to the first folding portion 11 and the first main supporting rod 211, and two ends of the other auxiliary connecting rod 14 are respectively hinged to the second folding portion 12 and the second main supporting rod 221. Through setting up supplementary connecting rod 14, can realize the expansion of folding support and the linkage of folding in-process, further simplify the operation, it is more convenient to use.

Example 5

This embodiment provides a folding swing chair comprising the folding stand of any one of embodiments 1-4, wherein the upper ends of the first main support bar 211 and the second main support bar 221 are detachably connected to a chair lift.

The above disclosure is only illustrative of the preferred embodiments of the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. It should be understood that these examples are only for illustrating the present invention, and are not intended to limit the scope of the present invention. In practical applications, the improvement and adjustment made by those skilled in the art according to the present invention still belong to the protection scope of the present invention.

Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A folding stand, comprising:

at least two sets of support structures, a first set of support structures and a second set of support structures; wherein the first set of support structures comprises a first main support bar, a first auxiliary support structure and a first slide, the first auxiliary support structure being slidably connected to the first main support bar by the first slide; the second group of support structures comprises a second main support rod, a second auxiliary support structure and a second sliding piece, wherein the second auxiliary support structure is connected to the second main support rod in a sliding mode through the second sliding piece;

the linkage mechanism comprises at least two linkage rods arranged in a crossed mode, a first linkage rod and a second linkage rod, one end portion of the first linkage rod is hinged with the first auxiliary supporting structure through a first connecting piece, the other end portion of the first linkage rod is hinged with the second sliding piece, one end portion of the second linkage rod is hinged with the second auxiliary supporting structure through a second connecting piece, and the other end portion of the second linkage rod is hinged with the first sliding piece;

at least one connecting rod, wherein the connecting rod is connected in a foldable manner, and two end parts of the connecting rod are respectively hinged with the first connecting piece and the second connecting piece; wherein the content of the first and second substances,

at least one of the first main supporting rod and the second main supporting rod is hinged to the connecting rod, and in an unfolded state, the folding bracket realizes self-locking of the folding bracket through the retention effect of the main supporting rod and the connecting rod on the two connecting pieces.

2. The folding bracket of claim 1 wherein said connecting bar includes a first fold and a second fold, wherein said first main support bar is hinged to said first fold and said second main support bar is hinged to said second fold.

3. The folding bracket of claim 1, wherein said connecting rod includes a first fold at each end and a second fold, said first fold being hingedly connected to said first connector and said second fold being hingedly connected to said second connector, wherein said first main support bar is hingedly connected to said first fold and said second main support bar is hingedly connected to said second connector or to said second linkage bar.

4. The folding stand of claim 2 or 3 in which the first fold is hinged to the second fold, the connecting bar further being provided with a locking formation for locking the first fold to the second fold.

5. The folding bracket of claim 4 wherein said locking structure is slidably disposed on said connecting bar or said locking structure is pivotally connected to said connecting bar.

6. The folding stand of claim 1 wherein the first and second auxiliary support structures each include at least two auxiliary support bars and a stabilizer bar, wherein in a set of auxiliary support structures, one end of each of the two auxiliary support bars is hinged to the first or second slider, the other end of each of the two auxiliary support bars is hinged to a stabilizer bar, and the ends of the two stabilizer bars are hinged to the first or second connector, respectively.

7. A folding stand, comprising:

at least one connecting rod, two ends of the connecting rod are respectively connected with the first sliding piece and the second sliding piece; wherein the content of the first and second substances,

the end part of the first main supporting rod and the end part of the second main supporting rod are hinged and fixed respectively; when the foldable support is unfolded, the connecting rod is used for fixing the two sliding parts, so that the self-locking of the foldable support is realized.

8. The folding stand of claim 7 wherein said first main support strut is hingedly connected to said first connector and said second main support strut is hingedly connected to said second connector.

9. The folding stand of claim 7 wherein said first main support bar is hinged to said first linkage bar and said second main support bar is hinged to said second linkage bar.

10. The folding stand of claim 7, 8 or 9 in which the connecting bar is a straight bar or the connecting bar is bent towards the linkage to make room in the unfolded state.

11. The folding bracket of claim 7, 8 or 9, wherein the connecting rod is not foldable, the first sliding member and the second sliding member are respectively provided with a jack, and two ends of the connecting rod are respectively inserted into the jacks.

12. The folding stand of claim 7, 8 or 9, wherein the connecting bar includes a first fold and a second fold at both ends, the first fold and the second fold being foldably arranged, and the connecting bar further includes a locking structure for locking the first fold and the second fold.

13. The folding stand of claim 12 wherein said first fold is hingedly connected to said first main support strut, and further comprising at least two secondary connecting links, one of said secondary connecting links having ends hingedly connected to said first fold and to said first main support strut, respectively, and the other of said secondary connecting links having ends hingedly connected to said second fold and to said second main support strut, respectively.

14. The folding stand of claim 7 wherein the first and second auxiliary support structures each include at least two auxiliary support bars and a stabilizer bar, wherein in a set of auxiliary support structures, one end of each of the two auxiliary support bars is hinged to the first or second slider, the other end of each of the two auxiliary support bars is hinged to a stabilizer bar, and the ends of the two stabilizer bars are hinged to the first or second connector, respectively.

15. A folding swing chair comprising a folding support as claimed in any one of claims 1 to 14.