CN116834813A - a vehicle - Google Patents

Abstract

The invention relates to a carrier, comprising: a first support structure comprising at least two first supports; the association structure is respectively connected with the at least two first supporting pieces so that each first supporting piece can rotate relative to the association structure; the second supporting structures are respectively connected with the at least two first supporting pieces in a rotating way; the connecting structure is respectively connected with the second supporting structure and the first supporting structure in a rotating way; in the unfolding state of the carrier, the first supporting structure extends along a first direction, the second supporting structure extends along a second direction different from the first direction, an opening is formed between the connecting structure and the first supporting structure, and a carried person can enter the carrier or get off the carrier through the opening without the assistance of other people, so that the burden of the caretaker is reduced.

Description

a vehicle

Technical field

The invention relates to the field of carrier devices, and in particular to a carrier.

Background technique

Currently, there are vehicles on the market that are driven by pushing and pulling, such as carts and trailers. The vehicles are usually equipped with a load-bearing frame. A load-bearing space is formed in the load-bearing frame, and the person being carried can sit or lie down in the load-bearing space.

In order to facilitate daily storage and portability, load-bearing frames are usually designed as foldable structures. In the existing technology, these load-bearing frames are usually a closed structure in the circumferential direction, and the person being carried needs the assistance of other people or objects to enter. into the carrying space, which causes inconvenience in daily use and also puts a burden on caregivers.

Contents of the invention

The object of the present invention is to provide a carrier to solve one or more problems of the prior art.

In order to achieve the above object, the technical solution adopted by the present invention is:

A vehicle, which has a folded state and an unfolded state, and includes:

a first support structure including at least two first support members;

An associated structure, which is connected to the at least two first support members respectively, so that each first support member can rotate relative to the associated structure;

a second support structure, which is rotationally connected to the at least two first support members respectively;

A connecting structure, which is rotationally connected to the second support structure and the first support structure respectively;

In the unfolded state of the carrier, the first support structure extends along a first direction, the second support structure extends along a second direction different from the first direction, and a connection structure is formed between the first support structure and the first support structure. An opening; when the carrier is in a folded state, each of the first support members and the second support structure are folded along the first direction.

In some embodiments, the connecting structure includes two connecting members, the second supporting structure includes two second supporting members, each connecting member and each second supporting member are respectively provided on both sides of the associated structure, and The connecting piece, the second supporting piece and the first supporting piece on each side respectively form a seating area to form two opposite seating areas.

Further, when the carrier is in the unfolded state, the connecting structure, the first support structure and the second support structure define a first surface of the carrier, the opening is located on the first surface, and the opening is located on the two sides. between seating areas.

Further, each connecting piece includes a first connecting part and a second connecting part that are rotatably connected to each other. The first connecting part is also rotatably connected to the second support structure, and the second connecting part is also rotatably connected to the first support structure. connect.

In some embodiments, the carrier further includes a third support structure. The third support structure and the connection structure are respectively provided on the upper and lower sides of the first support structure. The third support structure has a first extension member and a third support structure. Two extension pieces, the first extension piece and the second extension piece respectively extend from the first support structure in a direction away from the first support structure, and are connected to each other at the extension ends so as to be on the lower side of the first support structure. Create a stepping area.

Further, the first extension piece and the second extension piece are respectively rotatably connected to the first support structure, and the extended ends of the first extension piece and the second extension piece are rotatably connected to each other around the first pivot center line X1, The first pivot center line X1 is perpendicular to the first direction.

Further, the line connecting the projection points of the first pivot center line X1 and the axis center line of the associated structure in the same vertical plane is perpendicular to the first direction.

Further, the connecting structure and the first extension piece are jointly connected to the first support structure to rotate around the second pivot center line X2, and the connecting structure and the second extension piece are jointly rotated around the third pivot center line X3. connected to the first support structure.

In some embodiments, the first extension piece and the second extension piece are respectively integrally provided with at least a portion of the connection structure.

In some embodiments, the first extension part and the second extension part are respectively independent of the connection structure, and the carrier further includes a first locking structure, the first locking structure is respectively connected with the connection structure and the first extension part. Or the second extension piece is coupled so that the connecting structure and the first extension piece or the second extension piece can be locked with each other.

In some embodiments, in the deployed state, the position of the axis of the associated structure is lower than the position of the second pivot center line X2 and the third pivot center line X3.

In some embodiments, a first space is formed between the two seat areas, and the first space is connected to the opening and the stepping area respectively.

In some embodiments, each first support member has a first end and a second end, the first end is connected to the associated structure, and the second end is connected to the second support structure;

When the carrier enters the folded state from the unfolded state, the first ends of the two adjacent first support members rotate relative to each other and drive the second end portions to linkage, so that the first ends of the two adjacent first support members are linked together. The two ends are close to each other.

In some embodiments, a pivot structure is provided between the first support structure and the second support structure, and the pivot structure is rotationally connected to at least one of the first support structure and the second support structure, When the carrier enters the folded state from the unfolded state, the second end of the first support member is away from the second support structure, so that there is a gap between the second end of the first support member and the second support structure. Create a gap.

In some embodiments, the vehicle further includes a wheel assembly, the wheel assembly having a plurality of groups spaced apart along the first direction, the wheel assembly being provided at the second end of the first support member, or, the wheel assembly The wheel assembly is located at the lower part of the second support structure.

In some embodiments, the carrier further includes a second locking structure coupled to at least one of the associated structure and the first support structure, and when the carrier is in the deployed state, the second locking structure is coupled to at least one of the associated structure and the first support structure. The locking structure locks the two adjacent first support members so that the two adjacent first support members cannot rotate.

In some embodiments, an included angle θ is formed between the first support structure and the second support structure. When the carrier enters the folded state from the unfolded state, the included angle θ changes from large to small.

Further, the included angle θ satisfies 0︒≤θ<180︒.

Further, the carrier further includes a third locking structure, which is provided between the first support structure and the second support structure. When the carrier is in the unfolded state, the third locking structure locks the included angle θ, so that The first support structure and the second support structure cannot rotate with each other.

In some embodiments, the carrier further includes a holding portion, which is rotatably connected to the second support structure. When the carrier enters the folded state from the unfolded state, the holding portion can be relative to the third support structure. The second support structure flips clockwise or counterclockwise.

Another technical solution adopted by the present invention is: a carrier, which includes:

A first support structure including at least two first support members, each of the first support members having a first end and a second end respectively;

An associated structure, the associated structure is connected to the first end respectively, so that each first support member can rotate relatively;

a second support structure that is rotationally connected to the second end;

A connecting structure, which is rotationally connected to the second support structure and the first support structure respectively;

The associated structure can be located in the first position or the second position. When the associated structure is located in the first position, each of the first supporting members is deployed along the first direction, and the second supporting structure is away from the axis of the associated structure, And the connecting structure and the first support structure form an opening; when the associated structure is in the second position, the first ends of the first support members are close to each other and close together, and the second support structure moves toward the associated structure. The axes of the structures move closer together.

In some embodiments, the connecting structure includes two connecting members, the second supporting structure includes two second supporting members, the first supporting structure includes two first supporting members, each connecting member and each first supporting member. The support member and each second support member are respectively provided on both sides of the associated structure, and the connecting member, the second support member and the first support member on each side respectively form a seating area to form two oppositely arranged seats. Seating area.

In some embodiments, the carrier further includes a third support structure. The third support structure and the connection structure are respectively provided on the upper and lower sides of the first support structure. The third support structure has a first extension member and a third support structure. Two extension pieces, the first extension piece and the second extension piece respectively extend from the first support structure in a direction away from the first support structure, and are connected to each other at the extension ends so as to be on the lower side of the first support structure. Create a stepping area.

Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: In the carrier provided by the present invention, an opening is formed between the connecting structure and the first support structure, and the person being carried can enter the carrier through the opening. It can also be easily dismounted from the vehicle without the help of others, which reduces the burden on the caregiver.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of a carrier in an unfolded state according to an embodiment of the present invention;

Figure 2 is an exploded schematic diagram of the structure of the vehicle in Figure 1;

Figure 3 is a schematic diagram of the overall structure of the associated structure in the vehicle of Figure 1;

Figure 4 is a structural decomposition diagram of the association structure of Figure 3;

Figure 5 is a schematic side structural view of Figure 1;

Figure 6 is a schematic diagram of the three-dimensional structure of the carrier in Figure 1 during the process of entering the folded state from the unfolded state;

Figure 7 is a schematic side structural view of Figure 6;

Figure 8 is a second schematic diagram of the three-dimensional structure of the carrier in Figure 1 during the process of entering the folded state from the unfolded state;

Figure 9 is a schematic side structural view of Figure 8;

Figure 10 is a schematic three-dimensional structural diagram of the carrier in Figure 1 in a folded state;

Figure 11 is a schematic side view of the structure of Figure 10;

Figure 12 is a schematic side structural view of the vehicle in Figure 5 after adding side walls;

in:

1. First support member; 11. First support rod; 1a, first end; 1b, second end; 11a, pin hole;

2. Second support member; 21. Second support rod; 22. Upper cross bar; 23. Lower cross bar; 24. Connector; 24a, pin hole;

3. Associated structure; 31. First connecting seat; 32. Second connecting seat; 33. Locking member; 34. Elastic member; 35. Unlocking member;

4. The first connecting part; 41. The first connecting rod; 41a, the first rod section; 41b, the second rod section;

5. Second connecting part; 51. Second connecting rod; 52. Second cross bar;

6. The first extension piece; 61. The first extension rod;

7. The second extension piece; 71. The second extension rod;

8. Grip; 81. Push rod; 82. Grip rod;

9. Wheel assembly;

100. Side circumference; 101. Zipper.

Detailed ways

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

Referring to a carrier shown in Figures 1 to 11, the carrier has a folded state and an unfolded state. The carrier includes:

A first support structure, which includes at least two first support members 1;

The associated structure 3 is connected to the above-mentioned at least two first support members 1 respectively, so that each first support member 1 can rotate relative to the associated structure 3;

a second support structure, which is rotatably connected to at least two first support members 1 respectively;

A connection structure, which is rotationally connected to the first support structure and the second support structure respectively;

When the carrier is in an unfolded state, the first support structure extends along a first direction, the second support structure extends along a second direction different from the first direction, and an opening H is formed between the connecting structure and the first support structure ( As shown in the opening H formed by the dotted line in Figure 5), the person being carried can enter the carrier or get off the carrier through the opening H; when the carrier is in the folded state, each first support member 1 and the second The support structure is gathered in the first direction.

Referring to FIGS. 1 to 11 , in this embodiment, the second support structure includes two second support members 2 , and the connection structure includes two connectors. Each connector and the second support member 2 are separately provided in the associated structure 3 on both sides, and the connectors on each side, the second support member 2 and the first support member 1 respectively form a seat area to form two opposite seat areas. The two seat areas are arranged oppositely to facilitate the people being carried to communicate with each other. communicate. In the carriers disclosed in patent documents such as US4834415A, US20230057769A1, DE102021208364A1, CN104802884A, and CN202911778U, although there are two seats, the above-mentioned carriers have no opening H, making it inconvenient for the people being carried to get on and off the vehicle.

In this embodiment, each connecting piece includes a first connecting part 4 and a second connecting part 5 that are rotationally connected to each other. The first connecting part 4 is also rotationally connected to the second support structure. The second connecting part 5 is also connected to the second supporting structure. The first support structure is rotationally connected. The position of the first connection part 4 and the second connection part 5 that are rotationally connected can be closer to the upper part of the seat area than the lower part of the seat area, so as to facilitate rapid folding of the carrier.

When the carrier is in an unfolded state, as shown in Figures 1 and 5, the connecting structure, the first support structure and the second support structure define a first surface of the carrier, which is also the outer surface of the carrier. surface. The opening H is located on the first surface and is located between the two seating areas. The person being carried can enter the carrier through the opening H and easily reach the seating area or get off the carrier through the opening H.

Referring to the accompanying drawings, the carrier of this embodiment also includes a third support structure. The third support structure and the above-mentioned connection structure are respectively provided on the upper and lower sides of the first support structure. The third support structure has a first extension. The first extension part 6 and the second extension part 7 respectively extend from the first support structure in a direction away from the first support structure, and are connected to each other at the extension ends to form a connection between the first support structure and the first support structure. The underside of the structure forms treading area B. A first space A is formed between the two seat areas, and the first space A is connected to the opening H and the stepping area B respectively. The arrangement of the first extension part 6 and the second extension part 7 is more conducive to stabilizing the quadrilateral shape formed by the first support part 1, the second support part 2, the first connection part 4 and the second connection part 5, so that The structure of the vehicle is more stable in the unfolded state.

In this embodiment, the first extension member 6 and the second extension member 7 are respectively rotatably connected to the first support structure, and the ends of the first extension member 6 and the second extension member 7 rotate relative to each other around the first pivot center line X1 connection, the first pivot center line A support structure collapses.

The line connecting the two projection points of the first pivot center line X1 and the axis center line X0 of the associated structure 3 in the same vertical plane is perpendicular to the above-mentioned first direction. When the carrier enters the folded state from the unfolded state In this state, the first extension member 6 is retracted with one first support member 1 , and the second extension member 7 is retracted with another second support member 1 .

Referring to Figures 1 and 5, the connecting structure and the first extension member 6 are jointly connected to the first support structure to rotate around the second pivot center line X2, and the connecting structure and the second extension member 7 are jointly connected to the third pivot point. The rotation center line X3 is rotationally connected to the first support structure. When the carrier is in the unfolded state, the axis center line Gather.

In this embodiment, the first extension member 6 and the second extension member 7 are respectively integrally provided with at least a part of the connection structure. Here, the first extending piece 6 is integrally provided with the second connecting portion 5 of one connecting piece, and the second extending piece 7 is integrally provided with the second connecting portion 5 of another connecting piece.

In other embodiments, the first extension part 6 and the second extension part 7 are respectively independent of the connecting structure, and the carrier also includes a first locking structure, which is connected to the connecting structure and the first extension part 6 respectively. Or the second extension part 7 is coupled so that the connecting structure and the first extension part 6 or the second extension part 7 can be locked with each other. In other embodiments, the first extension piece 6 and the second extension piece 7 can also be detachably connected to the first support structure, thereby forming a stepping area B below the first support structure. Here, the first locking structure can be a common and universal locking structure, and its specific structure is not the focus of the present invention and will not be described again here.

Referring to Figures 1 to 11, each first support member 1 has a first end 1a and a second end 1b. The first end 1a is connected to the associated structure 3, and the second end 1b is connected to the second support structure. , when the carrier enters the folded state from the unfolded state, the first ends 1a of the two adjacent first support members 1 rotate relative to each other, and drive the second end portions 1b to link up so that the two adjacent first support members 1 The second end portions 1b are close to each other.

A pivot structure is provided between the first support structure and the second support structure. The pivot structure is rotationally connected to one of the first support structure and the second support structure. When the carrier enters the folded state from the unfolded state When , the second end 1 b of the first support member 1 is away from the second support structure, so that a gap is formed between the second end 1 b of the first support member 1 and the second support structure. In one embodiment, as shown in FIGS. 1 and 2 , the pivot structure includes a pin (not shown in the figures), a connector 24 fixed on the second support member 2 , and a pin 24 on the connector 24 . The pin hole 24a and the pin hole 11a provided on the second end 1b, the pin passes through the above-mentioned pin hole 24a and the pin hole 11a to pivotally connect the connector 24 with the second end 1b. This pivot structure can effectively prevent the second end 1b and the second support member 2 from interfering with each other when the first support member 1 rotates relative to the second support member 2.

The carrier also includes a wheel assembly 9, which has a plurality of groups spaced apart along the first direction. The wheel assembly 9 is provided at the second end 1b of the first support member 1, or as in this embodiment, is provided at The lower part of the second support structure, specifically, the lower parts of the two second support members 2 are each provided with a plurality of wheel assemblies 9 .

The carrier further includes a second locking structure coupled to at least one of the associated structure and the first support structure, so that when the carrier is in an unfolded state, the second locking structure locks two adjacent first The support member 1 makes the two adjacent first support members 1 unable to rotate.

An included angle θ is formed between the first support structure and the second support structure. The included angle θ satisfies 0︒≤θ＜180︒. When the carrier enters the folded state from the unfolded state, the included angle θ changes from large to small. , the carrier also includes a third locking structure, which is provided between the first support structure and the second support structure. When the carrier is in the unfolded state, the third locking structure locks the included angle θ, so that the third locking structure One support structure and the second support structure cannot rotate with each other.

The carrier also includes a gripping portion 8, which is rotatably connected to the second support structure. When the carrier enters the folded state from the unfolded state, the gripping portion 8 can be flipped clockwise relative to the second support structure or Flip counterclockwise to collapse relative to the secondary support structure.

The following takes the vehicle of the embodiment shown in Figures 1 to 11 as an example. When the vehicle is in an unfolded state and the user holds the above-mentioned holding portion 8 to push or pull the vehicle to drive the vehicle to move, use Refer to the directions observed by the observer to define the front, rear, left, right and up and down directions to further explain the detailed structure of each part of the vehicle in this embodiment:

Referring to Figures 1 and 5, when the carrier is in an unfolded state, the extension direction of the first support structure is along the front-to-back direction, that is, the above-mentioned front-to-back direction is the first direction; the first support structure includes two first support structures. Support member 1. Each first support member 1 includes two first struts 11 extending in the front-to-back direction and spaced apart in the left-right direction. The two first struts 11 located on the same side in the left-right direction pass between them. An associated structure 3 is connected, and a second locking structure is internally coupled to the associated structure 3 .

Referring to Figures 3 and 4, the associated structure 3 includes a first connecting seat 31 and a second connecting seat 32. The first connecting seat 31 is fixed on one end of a first support rod 11; the second connecting seat 32 is fixed on At one end of the other first strut 11, the first connecting seat 31 and the second connecting seat 32 are rotationally connected around a rotation center line extending in the left and right direction. The above-mentioned rotation center line between the two constitutes the axis of the associated structure 3. Heart line X0.

The second locking structure inside the associated structure 3 includes a locking piece 33, an elastic piece 34 and an unlocking piece 35. The locking piece 33 is a toothed piece with a plurality of locking teeth on the outer periphery. The first connecting seat 31 and the The two connecting seats 32 are both provided with tooth groove structures. The locking member 33 is located in the cavity formed between the first connecting seat 31 and the second connecting seat 32 and can slide in the axial direction. The elastic member 34 is provided in the cavity. Between the second connection base 32 and the locking member 33 and used to provide the force required for the locking member 33 to move toward the first connection base 31 , the elastic member 34 is specifically a spring. The unlocking piece 35 is slidably disposed on the first connection base 31 along the axial direction. When the locking teeth on the locking member 33 cooperate with the tooth groove structures on the first connecting seat 31 and the second connecting seat 32 at the same time, the two first struts 11 can be locked by the associated structure 3 and cannot rotate relative to each other; when driven When the unlocking member 35 slides to cause the locking member 33 to disengage from the tooth groove structure on the first connection base 31, the two first struts 11 can rotate relative to each other.

Referring to Figures 1 and 5, when the carrier of this embodiment is in an unfolded state, the second support structure includes two second support members 2, and the first support structure is located between the two second support members 2 in the front and rear direction. , the second support member 2 extends along the up and down direction, and includes two second poles 21 extending along the up and down direction and spaced apart along the left and right directions. Optionally, the second support member 2 also includes an upper crossbar 22 fixed between the upper parts of the two second struts 21 , and a crossbar 22 disposed between the two second struts 21 and below the upper crossbar 22 . The lower crossbar 23 and the upper crossbar 22 can be integrally arranged with the two second struts 21 to form a U-shaped bar with the opening facing downwards. The lower part of each second strut 21 is provided with a connector 24, which connector The extension direction of 24 is perpendicular to the length extension direction of the second strut 21 , and the connecting head 24 is pivotally connected to the first strut 11 on the same side of the first support member 1 . A set of wheel assemblies 9 are provided at the lower part of each second pole 21 .

In this embodiment, in any connector of the connection structure, the first connecting part 4 includes two first connecting rods 41 spaced apart along the left and right directions, and the second connecting part 5 includes two first connecting rods 41 spaced apart along the left and right directions. The second connecting rod 51 and the second cross bar 52 are fixed between the two second connecting rods 51 . The first extension member 6 includes two first extension rods 61 spaced apart along the left and right directions, and the second extension member 7 includes two second extension rods 71 spaced apart along the left and right directions, wherein the left and right sides of the carrier , the first extension rod 61 is integrally provided with the second connecting rod 51 on the same side of one second connecting part 5 , and the second extending rod 71 is integrally provided with the second connecting rod 51 on the same side of the other second connecting part 5 ; The extension ends of the first extension rod 61 and the second extension rod 71 on the same side are rotationally connected around the first pivot center line X1. The second connecting rod 51 and the adjacent first support member 1 form an internal angle β located in the opening H. The angle of the internal angle β is not limited to the angle shown in FIG. 5 , and its angle value can be greater than 90° or less than 90°. °, the shape of the opening H is not limited to the trapezoid shown in Figure 5, and can also be formed in other shapes according to the size of the internal angle β.

Referring to the accompanying drawings, in this embodiment, when the carrier is in an unfolded state, the first connecting portion 4 and the second connecting portion 5 on both sides, as well as the first extending member 6 and the second extending member 7 are located along the left and right directions. between the two first struts 11 and between the two second struts 21 . Among them, the second connecting portion 5 in one connecting piece is connected to the first extension piece 6 in a rotational manner around the second pivot center line X2. Here, the second pivot center line X2 is connected to the second horizontal axis. The axis lines of the rods 52 extend collinearly; the second connecting portion 5 in the other connecting piece is connected to the second extension piece 7 at a position where they are connected rotationally around the third pivot center line X3. Here, the third The pivot center line X3 also extends in line with the axis center line of the second cross bar 52 in the second connecting portion 5 on this side.

On the left and right sides of the carrier, one end of the first strut 11 is rotatably connected to the second strut 21 around the fourth pivot center line X4, and one end of the first connecting rod 41 is rotatably connected around the fifth pivot center line X5. The other end of the first connecting rod 41 is rotatably connected to the second support rod 21 on the same side around the sixth pivot center line X6 and the one end of the second connecting rod 51 on the same side is around the sixth pivot center line X6 Rotatingly connected, the above-mentioned fourth pivot center line X4, fifth pivot center line X5 and sixth pivot center line X6 are with the first pivot center line X1, second pivot center line X2 and third pivot center line The line X3 and the axis line X0 of the associated structure 3 are both parallel to each other. The sixth pivot center line X6 may be located to the left, right or both of the second pivot center line X2 on the same vertical line.

The first connecting rod 41 of the first connecting part 4 has a first rod section 41a and a second rod section 41b that are connected along the length direction. When the carrier is in the unfolded state, the first rod section 41a is parallel to the first direction, and the second rod section 41b is parallel to the first direction. The rod section 41b is inclined in the up and down direction, and extends in the same length direction as the second connecting rod 51 on the same side; at least part of the first extension rod 61 and the second extension rod 71 is curved in an arc.

The grip part 8 includes two push rods 81 spaced apart along the left and right direction, and a grip rod 82 fixed between one ends of the two push rods 81. Here, the two push rods 81 and the grip rod 82 are integrally arranged to form a U-shaped rod, the other ends of the two push rods 81 are rotationally connected to the upper end of the second support rod 21 on the same side. Here, a fourth locking structure (not shown in the figure) is also provided at the rotational connection between the push rod 81 and the second support rod 21 for locking between the gripping portion 8 and the second support member 2 .

The carrier of this embodiment is in the unfolded state, as shown in Figures 1 and 5, the associated structure 3 is in the first position, and the two second support members 2 of the second support structure are away from the axis X0 of the associated structure 3, And an opening H is formed between the connecting structure and the first supporting structure. At the same time, two seating areas are formed on both sides of the associated structure 3, which are respectively formed by the first connecting part 4, the second connecting part 5, the first supporting part 1 and the second supporting part 2 of the connecting part, and the two The seat areas are opposite, and a first space A is formed between the two seat areas. The opening H on the carrier is connected to the first space A; the first extension piece 6 and the second extension piece 7 cooperate with each other and are supported on the first support. A stepping area B is formed below the structure, and the first space A is located above the stepping area B and the two are connected to each other. The person being carried can enter the first space A through the opening H, sit and stand on the seat area, and place both feet on the stepping area B.

Figure 12 is a schematic diagram after adding a side wall 100 to the carrier of Figure 5. The side wall 100 is provided with a zipper 101, and the side wall 100 can be opened from the opening H through the zipper 101, so that it can be carried Personnel enters the seating area in the vehicle from this location. In other embodiments, burrs, connecting buckles or other connecting structures can also be used to replace the zipper 101 . The side panels 100 may be made of flexible or elastic materials, so that the presence of the side panels 100 will not affect the folding of the carrier. When the carrier is folded, the side panels 100 can be detached in whole or in part, or the zipper 101 can be opened. The side panel 100 may not be provided at the opening H, or a detachable door or an openable door may be provided at the opening H. The detachable door may be made of hard material or flexible material, and the openable door may be made of soft material. , closed or opened with zippers 101, burrs, connecting buckles or other connecting structures. The door can be provided with one or two leaves, and the zipper 101, burrs, connecting buckles or other connecting structures can be provided on the side or in the middle of the door.

When the carrier needs to be folded, as shown in Figures 6 to 9, after the second locking structure inside the associated structure 3 is unlocked, the associated structure 3 is driven to move upward, and the two first supports 1 are related to each other. The associated structure 3 rotates and gradually gathers in the front and rear direction. On both sides of the associated structure 3, the first connecting part 4, the second connecting part 5 and the first supporting member 1 and the second supporting member 2 interact with each other. The first extension part 6 and the second extension part 7 rotate mutually and gradually gather together along the first direction. And the holding part 8 is rotated relative to the second support member 2 so that it is gathered on one side of the second support member 2 .

Referring to Figures 10 and 11, when the carrier is in a folded state, the associated structure 3 is in a second position, which is higher than the above-mentioned first position, and the first support members 1 of the first support structure are The end portions 1a are close to each other and gathered together, the second support structure is moved closer to the axis X0 of the associated structure 3, the connecting member is gathered between the first support member 1 and the second support member 2 along the first direction, and the carrier appears as a whole Very compact and flat condition.

To sum up, the carrier provided by this embodiment has fewer structural components and a simple overall structure. When unfolded, it can provide two seating areas. The person being carried can easily enter the carrier through the opening H and reach the seating area. And in the seating area, the feet of the person being carried can be placed on the stepping area B, which is more comfortable when sitting and standing; at the same time, the person being carried can also easily get off the vehicle through the opening H. This vehicle is suitable for carrying the elderly, adults and children, especially the elderly and children. It does not require the assistance of others when loading and unloading the vehicle, reducing the burden on caregivers. In addition, due to the design of the opening, the carrier can be folded easily and quickly. In addition, the overall structure of the vehicle is relatively simple, which also results in lower production costs.

In some other embodiments, in the first support structure, the number of first support members 1 can also be set to more than two, such as three or more, with two adjacent first support members 1 passing between them. The associated structure 3 is connected. When the carrier enters the folded state from the unfolded state, the two adjacent first support members 1 rotate with respect to the associated structure 3 and fold in the first direction. The two adjacent first support members 1 The rotation mode can be clockwise or counterclockwise.

The above embodiments are only for illustrating the technical concepts and characteristics of the present invention. Their purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly. They cannot limit the scope of protection of the present invention. All equivalent changes or modifications made based on the spirit and essence of the present invention should be included in the protection scope of the present invention.

Claims (23)

1. A carrier, characterized in that the carrier has a folded state and an unfolded state, and the carrier includes: a first support structure including at least two first support members; An associated structure, which is connected to the at least two first support members respectively, so that each first support member can rotate relative to the associated structure; a second support structure, which is rotationally connected to the at least two first support members respectively; A connecting structure, which is rotationally connected to the second support structure and the first support structure respectively; In the unfolded state of the carrier, the first support structure extends along a first direction, the second support structure extends along a second direction different from the first direction, and a connection structure is formed between the first support structure and the first support structure. An opening; when the carrier is in a folded state, each of the first support members and the second support structure are folded along the first direction. 2. The carrier according to claim 1, wherein the connecting structure includes two connecting members, the second supporting structure includes two second supporting members, and each connecting member and each second supporting member are respectively The connection member, the second support member and the first support member on each side respectively form a seating area to form two opposite seating areas. 3. The carrier according to claim 2, wherein when the carrier is in an unfolded state, the connecting structure, the first support structure and the second support structure define a first surface of the carrier, and the The opening is located on the first surface, and the opening is located between the two seating areas. 4. The carrier according to claim 2, wherein each connecting member includes a first connecting part and a second connecting part that are rotationally connected to each other, and the first connecting part is also rotationally connected to the second support structure, The second connection part is also rotationally connected with the first support structure. 5. The carrier according to claim 2, characterized in that the carrier further includes a third support structure, the third support structure and the connection structure are respectively provided on the upper and lower sides of the first support structure, and the third support structure The three-support structure has a first extension piece and a second extension piece. The first extension piece and the second extension piece respectively extend from the first support structure in a direction away from the first support structure and are connected to each other at the extension ends. A stepping area is formed on the lower side of the first support structure. 6. The carrier according to claim 5, wherein the first extension member and the second extension member are respectively rotatably connected to the first support structure, and the extensions of the first extension member and the second extension member The ends are rotatably connected to each other around a first pivot center line X1, which is perpendicular to the first direction. 7. The carrier according to claim 6, wherein a line connecting the projection points of the first pivot center line X1 and the axis line of the associated structure in the same vertical plane is perpendicular to the first direction. 8. The carrier according to claim 5, wherein the connecting structure and the first extension member are jointly connected to the first supporting structure in a rotation about the second pivot center line X2, and the connecting structure and the third The two extension members are jointly connected to the first support structure to rotate around the third pivot center line X3. 9. The carrier according to claim 8, wherein the first extension part and the second extension part are respectively integrally provided with at least a part of the connection structure. 10. The carrier according to claim 8, wherein the first extension member and the second extension member are respectively independent of the connection structure, the carrier further includes a first locking structure, and the first locking structure is respectively The connection structure and the first extension piece or the second extension piece are coupled, so that the connection structure and the first extension piece or the second extension piece can be locked with each other. 11. The carrier according to claim 8, wherein in the unfolded state, the position of the axis of the associated structure is lower than the position of the second pivot center line X2 and the third pivot center line X3. Location. 12. The carrier according to claim 5, wherein a first space is formed between the two seat areas, and the first space is connected to the opening and the stepping area respectively. 13. The carrier according to claim 1, wherein each first support member has a first end and a second end, the first end is connected to the associated structure, and the second end is connected to the associated structure. the second support structure connection; When the carrier enters the folded state from the unfolded state, the first ends of the two adjacent first support members rotate relative to each other and drive the second end portions to linkage, so that the first ends of the two adjacent first support members are linked together. The two ends are close to each other. 14. The carrier according to claim 13, wherein a pivot structure is provided between the first support structure and the second support structure, and the pivot structure, the first support structure and the second support structure At least one of the structures is rotationally connected. When the carrier enters the folded state from the unfolded state, the second end of the first support member is away from the second support structure, so that the second end of the first support member is A gap is formed between the end and the second support structure. 15. The carrier according to claim 13, characterized in that: the carrier further includes a wheel assembly, the wheel assembly has a plurality of groups spaced apart along the first direction, the wheel assembly is provided on the first support member The second end, or the wheel assembly is provided at the lower part of the second support structure. 16. The carrier of claim 1, further comprising a second locking structure coupled to at least one of the associated structure and the first support structure, when the second locking structure is coupled to at least one of the associated structure and the first support structure. When the carrier is in the unfolded state, the second locking structure locks the two adjacent first support members so that the two adjacent first support members cannot rotate. 17. The carrier according to claim 1, wherein the first support structure and the second support structure form an included angle θ, and when the carrier enters the folded state from the unfolded state, the included angle θ changes from large to small. 18. The carrier according to claim 17, wherein the included angle θ satisfies 0︒≤θ<180︒. 19. The carrier according to claim 17, wherein the carrier further includes a third locking structure disposed between the first support structure and the second support structure, when the carrier is in the unfolded state When the third locking structure locks the angle θ, the first support structure and the second support structure cannot rotate with each other. 20. The carrier according to any one of claims 1 to 19, characterized in that the carrier further includes a gripping portion, the gripping portion is rotatably connected to the second support structure, and when the carrier changes from the unfolded state When entering the folded state, the holding portion can be flipped clockwise or counterclockwise relative to the second support structure. 21. A vehicle, characterized in that the vehicle includes: A first support structure including at least two first support members, each of the first support members having a first end and a second end respectively; An associated structure, the associated structure is connected to the first end respectively, so that each first support member can rotate relatively; a second support structure that is rotationally connected to the second end; A connecting structure, which is rotationally connected to the second support structure and the first support structure respectively; The associated structure can be located in the first position or the second position. When the associated structure is located in the first position, each of the first supporting members is deployed along the first direction, and the second supporting structure is away from the axis of the associated structure, And the connecting structure and the first support structure form an opening; when the associated structure is in the second position, the first ends of the first support members are close to each other and close together, and the second support structure moves toward the associated structure. The axes of the structures move closer together. 22. The carrier according to claim 21, wherein the connecting structure includes two connecting members, the second supporting structure includes two second supporting members, and the first supporting structure includes two first supporting members. , each connecting piece, each first supporting piece and each second supporting piece are respectively provided on both sides of the associated structure, and the connecting piece and the second supporting piece on each side are formed with the first supporting piece respectively. One seating area to form two opposite seating areas. 23. The carrier according to claim 21, wherein the carrier further includes a third support structure, the third support structure and the connection structure are respectively provided on the upper and lower sides of the first support structure, and the third support structure The three-support structure has a first extension piece and a second extension piece. The first extension piece and the second extension piece respectively extend from the first support structure in a direction away from the first support structure and are connected to each other at the extension ends. A stepping area is formed on the lower side of the first support structure.