CN210611592U

CN210611592U - Multifunctional folding chair

Info

Publication number: CN210611592U
Application number: CN201921408101.7U
Authority: CN
Inventors: 旷海鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-26
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a multifunctional folding chair, its characterized in that: the device comprises three groups of support frames which are sequentially connected through joint components and provided with support planes, and also comprises a roller component; the supporting frame at least comprises two connecting rods which are positioned on two sides and are parallel to each other; the joint assembly comprises a first hinge piece and a second hinge piece which are hinged with each other, and further comprises a locking assembly which can limit the first hinge piece and the second hinge piece at a plurality of different included angle positions; the roller assembly is arranged at the position below one of the joint assemblies, and the top end of the roller assembly is fixed with the end part of one of the adjacent support frames. Each support frame can form seat or hand trailer through buckling, still can fold the folding chair completely and accomodate, and the function is abundant, and each form only needs can realize through buckling and locking its joint subassembly, structure and easy operation.

Description

Multifunctional folding chair

Technical Field

The utility model relates to a multifunctional folding chair.

Background

In order to be convenient for carrying, taking in and being applicable to different use scenes, folding chairs of various structures appear in the market, but the existing folding chair has the following problems that the function is single if the structure is simple, and the structure is generally complex when the use function is slightly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding chair with simple structure and rich functions.

In order to achieve the above object, the utility model adopts the following technical scheme:

a multifunctional folding chair comprises three groups of support frames which are sequentially connected through joint components and provided with support planes, and also comprises roller components; the supporting frame at least comprises two connecting rods which are positioned on two sides and are parallel to each other; the joint assembly comprises a first hinge piece and a second hinge piece which are hinged with each other, and further comprises a locking assembly which can limit the first hinge piece and the second hinge piece at a plurality of different included angle positions; the roller assembly is arranged at the position below one of the joint assemblies, and the top end of the roller assembly is fixed with the end part of one of the adjacent support frames.

Furthermore, a group of the supporting frames which are close to the roller assemblies and are positioned at the outer ends are also connected with a fourth group of the supporting frames through the joint assemblies; two sets of be located both ends support frame below still articulates through spacing knot has the vaulting pole, spacing knot can make the vaulting pole with the connecting rod is injectd in a fixed contained angle position.

Furthermore, the lower part of the support frame adjacent to the fourth group of support frames is also hinged with the support rod through the limit buckle.

Furthermore, the limit buckle comprises a fixing part fixed on the top end of the support rod and a U-shaped groove arranged on the top end of the fixing part, and the corresponding connecting rod is hinged in the U-shaped groove.

Furthermore, the limit buckle comprises a fixing piece fixed on the corresponding side surface of the connecting rod, an arc-shaped clamping groove is formed in the fixing piece, and at least two stop clamping positions are arranged on the arc-shaped clamping groove; the top end of the support rod is hinged to the connecting rod, and a guide pin in sliding fit with the arc-shaped clamping groove is further arranged on the support rod.

Furthermore, the first hinge piece and the second hinge piece both comprise a connecting handle and a rotating sheet, and the second hinge piece and the first hinge piece are arranged in parallel through a pin shaft penetrating through the center of the rotating sheet; the locking assembly comprises a linkage sheet arranged in parallel with the second articulated element, the linkage sheet is provided with an arc-shaped chute in sliding fit with the pin shaft, the linkage sheet is further provided with a limiting column parallel to the pin shaft, the periphery of a rotating sheet of the second articulated element is provided with a plurality of limiting grooves capable of being clamped with the limiting column, the linkage sheet further comprises a rotating shaft parallel to the pin shaft and penetrating through the first articulated element and the linkage sheet, a rotating handle is further fixed on the rotating shaft, and the linkage sheet and the rotating handle rotate synchronously around the rotating shaft.

Furthermore, the second hinged parts comprise two groups which are parallel, and the linkage plates are clamped between the rotating plates of the two groups of second hinged parts.

Furthermore, a torsion spring is arranged on the rotating shaft in a penetrating manner and used for forcing the limiting column of the rotating sheet to reset towards the limiting groove.

Furthermore, the wheel assembly further comprises a handrail, and a slot for inserting and fixing the handrail is further formed in the roller assembly.

Furthermore, a plurality of reinforcing rods are arranged between the connecting rods positioned on the two sides.

The beneficial effects are that: folding and locking a group of the supporting frames which are close to the roller assemblies and located at the end part upwards at a certain angle around the joint assemblies, and folding and locking a group of the supporting frames located at the other end part downwards at a certain angle around the joint assemblies to form a seat or a hand trailer; and the two groups of support frames positioned at the two ends are continuously bent around the corresponding joint components until the support frames are tightly attached to the support frame positioned in the middle, so that the folding chair can be completely folded and stored. The folding chair can be stored and also can be used as a seat or a hand trailer, has rich functions, can be realized in each form only by bending and positioning the joint component, and has simple structure and operation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of a seat structure according to an embodiment;

FIG. 2 is a schematic structural diagram of a trailer in the embodiment;

FIG. 3 is a schematic view illustrating a folded and stored state in the embodiment;

FIG. 4 is a schematic structural diagram of a beach reclining chair in the embodiment;

FIG. 5 is a schematic structural diagram of the beach chair in the embodiment;

FIG. 6 is a schematic view of the folding bed in the embodiment;

FIG. 7 is a schematic view of a first embodiment of a stop buckle;

FIG. 8 is a schematic view of a second embodiment of the position-limiting buckle;

fig. 9 is a schematic structural view of a joint assembly in an embodiment.

Wherein: 1. a support frame; 11. a connecting rod; 12. a reinforcing bar; 101. a first support frame; 102. a second support frame; 103. a third support frame; 104. a fourth support frame; 2. a joint assembly; 21. a first hinge member; 210. a connecting handle; 211. a rotating sheet; 22. a second hinge member; 220. a connecting handle; 221. a rotating sheet; 23. a locking assembly; 231. a linkage sheet; 2311. an arc-shaped chute; 2312. a limiting column; 232. a limiting groove; 233. a rotating shaft; 234. A handle is rotated; 235. a torsion spring; 24. a pin shaft; 201. a first joint assembly; 202. a second joint assembly; 203. a third joint component; 3. a roller assembly; 31. a roller; 32. mounting a rod; 4. a limit buckle; 41. a fixed part; 42. a U-shaped groove; 4', a limit buckle; 43. a fixing sheet; 431. an arc-shaped clamping groove; 432. stopping the clamping position; 44. a guide pin; 5. a stay bar; 51. a first stay bar; 52. a second stay bar; 53. a third stay bar; 6. a handrail; 61. and (4) a slot.

Detailed Description

The invention is further explained below with reference to the drawings:

referring to fig. 1 to 9, a multifunctional folding chair comprises three groups of support frames 1 with support planes connected in sequence by joint assemblies 2, a first support frame 101, a first joint assembly 201, a second support frame 102, a second joint assembly 202 and a third support frame 103 in sequence, and further comprises a roller assembly 3; the support frame 1 at least comprises two connecting rods 11 which are positioned at two sides and are parallel to each other; the joint component 2 comprises a first hinge part 21 and a second hinge part 22 which are hinged with each other, the first hinge part 21 and the second hinge part 22 are respectively fixedly connected with the end part of the support frame 1 on the corresponding side, and the joint component also comprises a locking component 23 which can enable the first hinge part 21 and the second hinge part 22 to be limited at a plurality of different included angle positions; in this embodiment, the roller assembly 3 is disposed below the second joint assembly 202, and includes a roller 31 and a mounting rod 32 hinged to an axis of the roller 31, a top end of the mounting rod 32 is fixed to an end of the third support frame 103, and the size of the included angle and the specific distance from the ground are not further described by adjusting an included angle between the mounting rod 32 and the third support frame 103, a distance from the ground of the second joint assembly 202 can be adjusted by adjusting a diameter of the roller 31 and/or a length of the mounting rod 32, and the balance of the folding chair can be ensured.

As shown in fig. 1 and fig. 2, the third supporting frame 103 is folded upwards around the second joint assembly 202 by a certain angle, for example, the included angle between the third supporting frame 103 and the second supporting frame 102 is 120 °, and the locking assembly 23 locks the second joint assembly 202, and the first supporting frame 101 is folded downwards around the first joint assembly 201 by a certain angle, for example, the included angle between the first supporting frame 101 and the second supporting frame 102 is 100 °, and the locking assembly 23 locks the first joint assembly 201, at this time, the first supporting frame 101 and the roller assembly 3 constitute the legs of a folding chair or the supporting legs of a trailer, and the second supporting frame 102 becomes the seat board of the folding chair or the supporting board of the trailer, and the third supporting frame 103 serves as the back of the folding chair or the supporting bar of the trailer, of course, serves as the supporting bar, in order to increase the length of the supporting rod, a fourth supporting frame 104 can be added on the third supporting frame 103; when the roller assembly is arranged below the first joint assembly, the third support frame and the first support frame are folded reversely, so that the same function can be realized. As shown in fig. 3, the first and third supporting

members

101 and 103 at both ends are bent around the corresponding first and second

joint assemblies

201 and 202 until they are closely attached to the second supporting member 102, so that the folding chair can be completely folded and stored. The folding chair can be stored and also can be used as a seat or a hand trailer, has rich functions, can be realized in each form only by bending and positioning the joint component 2, and has simple structure and operation.

In one embodiment, as shown in fig. 4, the third support frame 103 is further connected to a fourth support frame 104 through a third joint component 203; the lower part of the first supporting frame 101 is hinged with a first supporting rod 51 through a limit buckle 4, the lower part of the fourth supporting frame 104 is hinged with a second supporting rod 52 through a limit buckle 4, and the limit buckle 4 can limit the supporting rod 5 and the connecting rod 11 of the supporting frame 1 at a fixed included angle position. After the first supporting rod 51 is folded and attached to the first supporting frame 101 in the counterclockwise direction, the first supporting frame 101 and the first supporting rod 51 are integrally rotated around the first joint assembly 201 in the counterclockwise direction and folded and attached to the second supporting frame 102, and the second supporting frame 102 is rotated around the second joint assembly 202 in the clockwise direction by a certain angle, for example, an included angle between the second supporting frame 102 and the third supporting frame 103 is 140 ° or 100 °, the second supporting frame 102 is used as a backrest, the third supporting frame 103 and the fourth supporting frame 104 form a supporting plane, and the second supporting rod 52 and the roller assembly 3 form a supporting leg, so that the beach lounge chair can be folded. Furthermore, a third stay bar 53 is hinged below the third support frame 103 through the limit buckle 4. When used as a beach recliner, the third strut 53 may provide support for the middle of the recliner; the second stay bar 52 rotates clockwise around the position-limiting buckle 4 and is folded and attached to the fourth support frame 104, and then the fourth support frame 104 rotates clockwise around the third joint component 203 to be attached to the third support frame 103, at this time, the third stay bar 53 and the roller component 3 form a support leg, so that the beach chair can be folded, as shown in fig. 5. In addition, the support frames 1 are unfolded and laid completely, and the support rods 5 are unfolded, so that the folding bed can be formed, as shown in fig. 6.

In an embodiment, referring to fig. 7, in an embodiment of the position-limiting buckle 4, the position-limiting buckle 4 includes a fixing portion 41 fixed to the top end of the stay bar 5, and a U-shaped groove 42 formed in the top end of the fixing portion 41, and the corresponding connecting rod 11 is hinged in the U-shaped groove 42. The limit buckle 4 can be used to limit the maximum spreading angle of the stay 5 and the support frame 1, and the first stay 51 and the second stay 52 can be hinged to the support frame 1 by using the structure of the limit buckle 4.

In one embodiment, referring to fig. 8, the position-limiting buckle 4' includes a fixing plate 43 fixed to a corresponding side surface of the connecting rod 11, the fixing plate 43 has an arc-shaped slot 431, and the arc-shaped slot 431 is provided with at least two stop detents 432 respectively corresponding to two positions, namely a maximum unfolding angle and a complete folding position; the top end of the support rod 5 is hinged to the connecting rod 11, and the guide pin 44 in sliding fit with the arc-shaped clamping groove 431 is further arranged on the support rod 5. Usually, the third supporting rod 53 is hinged with the supporting frame 1 by adopting the structure of the limit button 4'.

In one embodiment, referring to fig. 9, each of the first hinge member 21 and the second hinge member 22 includes a connecting handle (210, 220) and a rotating piece (211, 221), the connecting handle (210, 220) is used for being fixedly connected with the end of the corresponding support frame 1, and the second hinge member 22 and the first hinge member 21 are installed in parallel by a pin 24 penetrating through the center of the rotating piece (211, 221); the locking assembly 23 includes a linking plate 231 disposed in parallel with the second hinge member 22, the linking plate 231 has an arc-shaped sliding slot 2311 slidably engaged with the pin 24, the linking plate 231 is further provided with a limiting post 2312 parallel to the pin 24, a plurality of limiting grooves 232 capable of being engaged with the limiting post 2312 are disposed on the periphery of the rotating plate 221 of the second hinge member 22, the locking assembly further includes a rotating shaft 233 parallel to the pin 24 and penetrating through the first hinge member 21 and the linking plate 231, the rotating shaft 233 is further fixed with a rotating handle 234, and the linking plate 231 and the rotating handle 234 rotate synchronously around the rotating shaft 233, for example, the rotating handle 234 and the linking plate 231 can be fixed with the rotating shaft 233, so that the three rotate synchronously. When the rotating handle 234 is rotated, the linking plate 231 is driven to rotate, meanwhile, the pin 24 can limit the rotation amplitude of the linking plate 231 through the arc-shaped sliding groove 2311, so that the limiting column 2312 is separated from the limiting groove 232, the included angle between the first hinging piece 21 and the second hinging piece 22 of the joint component 2 can be changed, and when the linking plate 231 rotates reversely, the limiting column 2312 can be clamped into the corresponding limiting groove 232, so that the included angle of the joint component 2 is locked. Further, the second hinge members 22 include two groups of parallel coupling plates 231, and the coupling plates 231 are sandwiched between the two groups of rotating plates 221 of the second hinge members 22. The linkage sheet 231 is clamped between the two groups of rotating sheets 221, so that deviation cannot occur, and the structure of the joint component 2 is firmer; certainly, the first hinge parts 21 also include two groups of parallel first hinge parts 21, the two groups of parallel first hinge parts 21 can be clamped at the outer side of the second hinge part 22, and can also be located at the same side, further, the rotating shaft 233 is further provided with a torsion spring 235 for forcing the limiting post 2312 of the linking plate 231 to return to the direction of the limiting groove 232, the torsion spring 235 can enable the limiting post 2312 to always have a driving force to the direction of the limiting groove 232, so that the rotating handle 234 can be prevented from returning to the position in time after the angle is adjusted, and the locking component 23 can be locked more firmly, and is prevented from being loosened. Of course, the locking component 23 may also be a through hole disposed on the first hinge member 21 and the second hinge member 22 at different angles around the pin 24, and a locking pin capable of being inserted into the through hole. (not shown)

According to one embodiment, the wheel assembly further comprises a handrail 6, and a slot 61 for inserting and fixing the handrail 6 is further arranged on the roller assembly 3. When the folding chair, the beach lounge chair or the beach chair is formed, the armrest 6 can be arranged, and when the chair faces to different directions, the direction of the armrest 6 inserted in the slot 61 can be adjusted.

Further, a plurality of reinforcing rods 12 are disposed between the connecting rods 11 at two sides, and the reinforcing rods 12 may have various forms, such as transverse reinforcing rods 12 disposed at the ends of the first supporting frame 101 and the fourth supporting frame 104, or reinforcing rods 12 connected between two sides of each joint assembly 2, or reinforcing rods disposed between the connecting rods 11 in a crossing manner.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A multifunctional folding chair is characterized in that: the device comprises three groups of support frames which are sequentially connected through joint components and provided with support planes, and also comprises a roller component; the supporting frame at least comprises two connecting rods which are positioned on two sides and are parallel to each other; the joint assembly comprises a first hinge piece and a second hinge piece which are hinged with each other, and further comprises a locking assembly which can limit the first hinge piece and the second hinge piece at a plurality of different included angle positions; the roller assembly is arranged at the position below one of the joint assemblies, and the top end of the roller assembly is fixed with the end part of one of the adjacent support frames.

2. The multifunctional folding chair of claim 1, wherein: the group of support frames which are close to the roller assemblies and are positioned at the outer ends are also connected with a fourth group of support frames through the joint assemblies; two sets of be located both ends support frame below still articulates through spacing knot has the vaulting pole, spacing knot can make the vaulting pole with the connecting rod is injectd in a fixed contained angle position.

3. A multi-functional folding chair as claimed in claim 2, wherein: and the lower part of the support frame adjacent to the fourth group of support frames is also hinged with the support rod through the limit buckle.

4. A multi-functional folding chair as claimed in claim 2, wherein: the limiting buckle comprises a fixing part fixed to the top end of the supporting rod and a U-shaped groove formed in the top end of the fixing part, and the corresponding connecting rod is hinged to the inside of the U-shaped groove.

5. A multi-functional folding chair as claimed in claim 2, wherein: the limiting buckle comprises a fixing piece fixed on the corresponding side surface of the connecting rod, an arc-shaped clamping groove is formed in the fixing piece, and at least two stop clamping positions are arranged on the arc-shaped clamping groove; the top end of the support rod is hinged to the connecting rod, and a guide pin in sliding fit with the arc-shaped clamping groove is further arranged on the support rod.

6. The multifunctional folding chair of claim 1, wherein: the first hinge piece and the second hinge piece comprise connecting handles and rotating pieces, and the second hinge piece and the first hinge piece are arranged in parallel through a pin shaft penetrating through the centers of the rotating pieces; the locking assembly comprises a linkage sheet arranged in parallel with the second articulated element, the linkage sheet is provided with an arc-shaped chute in sliding fit with the pin shaft, the linkage sheet is further provided with a limiting column parallel to the pin shaft, the periphery of a rotating sheet of the second articulated element is provided with a plurality of limiting grooves capable of being clamped with the limiting column, the linkage sheet further comprises a rotating shaft parallel to the pin shaft and penetrating through the first articulated element and the linkage sheet, a rotating handle is further fixed on the rotating shaft, and the linkage sheet and the rotating handle rotate synchronously around the rotating shaft.

7. The multifunctional folding chair of claim 6, wherein: the second hinged parts comprise two groups which are parallel, and the linkage plates are clamped between the rotating plates of the two groups of second hinged parts.

8. The multifunctional folding chair of claim 6, wherein: and a torsion spring for forcing the limiting column of the rotating sheet to reset towards the limiting groove is arranged on the rotating shaft in a penetrating manner.

9. The multifunctional folding chair of claim 1, wherein: still include the handrail, still be equipped with on the wheel components and peg graft fixedly the slot of handrail.

10. The multifunctional folding chair of claim 1, wherein: and a plurality of reinforcing rods are also arranged between the connecting rods positioned at the two sides.