CN216822420U

CN216822420U - Folding chair with parallelogram supporting structure

Info

Publication number: CN216822420U
Application number: CN202122614236.2U
Authority: CN
Inventors: 应永宁; 张武标
Original assignee: Zhejiang Xinya Leisure Products Co ltd
Current assignee: Zhejiang Xinya Leisure Products Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-06-28
Anticipated expiration: 2031-10-28

Abstract

The utility model provides a parallelogram bearing structure's folding chair belongs to folding chair technical field. It has solved the inconvenient problem of current folding chair accomodate and expansion form. The folding chair comprises two groups of side frame parts which are symmetrically arranged and mesh cloth which is arranged between the two groups of side frame parts and is used for a human body to sit or lean against, a folding structure is further arranged between the two groups of side frame parts, the folding structure comprises symmetrical rods which are positioned on the symmetrical surfaces of the two groups of side frame parts and two groups of supporting rod assemblies which are symmetrically arranged on two sides of the symmetrical surfaces, each supporting rod assembly comprises a first connecting rod and a second connecting rod, one end of each first connecting rod and one end of each second connecting rod are respectively arranged in a rotating mode relative to the end parts of two ends of the corresponding symmetrical rods, and the other ends of the first connecting rods and the other ends of the second connecting rods are respectively arranged on the side frame parts which are arranged on the same side of the first connecting rods and the second connecting rods in a rotating mode. Compared with the prior art, the folding and unfolding processes of the folding chair cut into the folding chair very conveniently through the folding structure, the operation process is simple and clear, the overall strength of the unfolded chair is high, and the comfort is good.

Description

Folding chair with parallelogram supporting structure

Technical Field

The utility model belongs to the technical field of folding chair, a parallelogram bearing structure's folding chair is related to.

Background

The folding chair is a light chair with the functions of storage and stacking, and the chair can be conveniently moved after being stored, and can save the occupied space, so that the folding chair is deeply loved by people and is a common article in daily household life.

In the conventional technology, the folding form of the folding chair is not good, mainly embodied in that people do not know where to apply force in the folding process, the folding chair has certain carelessness, the folding chair is gradually folded completely through the practical operation process, a large amount of effort is easily consumed in the process, and the effect of the folding process is poor due to inaccurate force application points.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding chair with a parallelogram supporting structure aiming at the problem that the existing folding chair is inconvenient in storage and unfolding.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a parallelogram bearing structure's folding chair, includes that the mesh that two sets of side bearer parts that the symmetry set up and setting are used for the human body to sit or sit between two sets of side bearer parts, its characterized in that: a folding structure is further arranged between the two side frame parts, the folding structure comprises symmetrical rods positioned on the symmetrical surfaces of the two side frame parts and two sets of support rod assemblies symmetrically arranged on two sides of the symmetrical surfaces, each support rod assembly comprises a first connecting rod and a second connecting rod, one ends of the first connecting rod and the second connecting rod are respectively rotatably arranged relative to the end parts of two ends of the corresponding symmetrical rods, the other ends of the first connecting rod and the second connecting rod are respectively rotatably arranged on the side frame parts on the same side of the corresponding connecting rods, and four rotating connection points formed between the corresponding support rod assemblies, the corresponding symmetrical rods and the side frame parts on the same side of the corresponding support rod assemblies are positioned on four end points of a parallelogram.

In foretell parallelogram bearing structure's folding chair, the both ends tip of symmetry pole fixed respectively be equipped with handle piece and support piece, offer on the handle piece and be used for the people hand to hold the mouth of holding of application of force, first connecting rod symmetry in two sets of branch subassemblies is rotated and is set up the both sides at the handle piece, second connecting rod symmetry in two sets of branch subassemblies is rotated and is set up the both sides at the support piece, at least one in handle piece and the support piece is provided with limit structure, this limit structure can produce limit position effect to the maximum rotation range of first connecting rod or/and second connecting rod.

In the folding chair with the parallelogram support structure, the limiting structure comprises a limiting clamping block fixedly arranged on the grip block or/and the support block, and the first connecting rod or/and the second connecting rod can be blocked by the limiting clamping block to limit movement when rotating to the maximum amplitude.

In the folding chair with the parallelogram support structure, the side frame parts comprise the seat support rods, and two sides of the mesh cloth are fixedly arranged between the seat support rods of the two groups of side frame parts.

In the folding chair with the parallelogram supporting structure, the side frame parts comprise the sitting support rods and the leaning support rods, the sitting support rods and the end parts of the leaning support rods are rotatably connected through the connecting pieces and form included angles, and two sides of the mesh cloth are fixedly arranged between the sitting support rods of the two side frame parts and the leaning support rods.

In the folding chair with the parallelogram support structure, the side frame part further comprises a first support leg rod and a second support leg rod, the middle of the first support leg rod is rotatably arranged on the seat support leg, the upper end parts of the first support leg rod and the second support leg rod are rotatably connected, the first support leg rod is further provided with a limiting blocking body, the second support leg rod is provided with a limiting pressing body, and the limiting pressing body can press the limiting blocking body to realize the fixation of the second support leg rod relative to the first support leg rod.

In the folding chair with the parallelogram supporting structure, the armrest is also rotatably arranged on the support rod and is also rotatably connected with the top end of the first support rod

In the folding chair with the parallelogram supporting structure, the bottom of the armrest is provided with a slot, the upper end parts of the first and second leg rods are positioned in the slot, the first leg rod is rotatably connected to two sides of the slot of the armrest, and the bottom surface of the slot of the armrest forms the limit stop body.

In the folding chair with the parallelogram support structure, the side frame parts further comprise inclined support rods, one ends of the inclined support rods are rotatably connected to the seat support rods, the other ends of the inclined support rods are rotatably connected to the first support rods belonging to the other side frame part, and the inclined support rods in the two side frame parts are in cross rotating connection.

In the folding chair with the parallelogram supporting structure, the part of the mesh fabric for the human body to lean against is provided with a soft back cushion.

Compared with the prior art, the folding and unfolding processes of the folding chair cut into the folding chair very conveniently through the folding structure, the operation process is simple and clear, the overall strength of the unfolded chair is high, and the comfort is good.

Drawings

FIG. 1 is a front side view of the folding chair;

FIG. 2 is a schematic view of the chair from a back side;

FIG. 3 is a bottom perspective view of the sideframe section;

in the figure, 1, a mesh cloth; 2. a symmetric rod; 3. a first link; 4. a second link; 5. a grip block; 6. a support block; 7. holding the mouth; 8. a limiting clamping block; 9. a seat stand bar; 10. by a support rod; 11. a first leg bar; 12. a second leg bar; 13. a limiting blocking body; 14. a limiting pressing body; 15. a handrail; 16. grooving; 17. a diagonal bracing strut; 18. a soft back cushion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the folding chair with the parallelogram support structure comprises two groups of side frame parts which are symmetrically arranged and mesh cloth 1 which is arranged between the two groups of side frame parts and is used for sitting or leaning on a human body, wherein a folding structure is also arranged between the two side frame parts, the folding structure comprises symmetrical rods 2 positioned on the symmetrical surfaces of two groups of side frame parts and two groups of support rod components symmetrically arranged on two sides of the symmetrical surfaces, wherein each support rod component comprises a first connecting rod 3 and a second connecting rod 4, one end of each of the first connecting rod 3 and the second connecting rod 4 is rotatably arranged relative to the end parts of two ends of the corresponding symmetrical rod 2, the other ends of the first connecting rod 3 and the second connecting rod 4 are rotatably arranged on the side frame parts on the same side of the corresponding connecting rods, and four rotating connection points formed between the corresponding symmetrical rods 2 and the side frame parts on the same side of the corresponding support rod components are positioned on four end points of a parallelogram.

As shown in fig. 2, the end parts of the two ends of the symmetric rod 2 are respectively fixedly provided with a handle block 5 and a support block 6, the handle block 5 is provided with a holding port 7 for a human hand to hold and apply force, the first connecting rods 3 of the two sets of support rod assemblies are symmetrically and rotatably arranged on the two sides of the handle block 5, the second connecting rods 4 of the two sets of support rod assemblies are symmetrically and rotatably arranged on the two sides of the support block 6, at least one of the handle block 5 and the support block 6 is provided with a limit structure, and the limit structure can generate a limit effect on the maximum rotation amplitude of the first connecting rods 3 or/and the second connecting rods 4.

As shown in fig. 2, the limiting structure includes a limiting fixture block 8 fixedly disposed on the grip block 5 or/and the bracket block 6, and the first link 3 or/and the second link 4 will be blocked by the limiting fixture block 8 to limit the movement when rotating to the maximum extent.

The folding structure plays a key role in the design, changes the traditional folding form, and folds the side frame part in a bilateral symmetry mode, wherein: a classical parallelogram mechanism in mechanics is formed among the first connecting rod 3, the second connecting rod 4, the side frame part and the symmetrical rod 2 which are positioned on the same side, the mechanism can help to cross an uncertain position of movement and can increase maximum starting traction force, so that people can save more labor in the operation process, the folding and unfolding process is clear after the movement with certainty, force is applied to a specific position mainly, and compared with the traditional conventional mode, people do not know where to apply external force, the folding and unfolding mechanism is simple in operation and clear in purpose, and does not need to blindly find a plurality of cut-in points to finish folding.

Moreover, since the side frame portions are bilaterally symmetrical, two sets of "parallelogram structures" are formed, which is very convenient if the position of the force application is set on the symmetrical rod 2, which is a unified part in the two sets of structures.

In the folding process, as shown in fig. 2 (in the figure, both the handle block 5 and the support block 6 have the limiting fixture block 8), a user puts his hand deep into the holding opening 7 and holds the handle block 5, and then lifts the handle block 5 upwards, because the first connecting rod 3 and the second connecting rod 4 move back to the direction of the limiting fixture block 8, they will be folded, and if it is most ideal, the first connecting rod 3 and the second connecting rod 4 will be collinear with the symmetrical rod 2 after being completely folded.

The unfolding process is the reverse process of the folding process, only the grip block 5 needs to be pressed downwards, and the final fully unfolded state is obtained after the first connecting rod 3, the second connecting rod 4 and the limiting clamping block 8 are blocked.

The design form to this folding chair also can be diversified:

one is designed as a seat only, in which case the side frame parts comprise seating frame bars 9, and both sides of the mesh cloth 1 are fixedly arranged between the seating frame bars 9 of the two side frame parts.

The other type is designed by adopting a chair form, the side frame parts comprise a sitting support rod 9 and a leaning support rod 10 under the condition, one end parts of the sitting support rod 9 and the leaning support rod 10 are connected in a rotating mode through connecting pieces, an included angle is formed between the sitting support rod 9 and the leaning support rod 10, and two sides of the mesh cloth 1 are fixedly arranged between the sitting support rod 9 and the leaning support rod 10 of the two side frame parts.

The design in the form of a chair is shown and the folding structure is arranged between two sets of rest bars 10 (it is of course possible to arrange the folding structure between the seat bars 9, but for reasons of rationality of use it is also optimal to arrange the folding structure between the rest bars 10, so that both the ease of operation for the person and the overall strength of the chair are better).

The side frame part also comprises a first support rod 11 and a second support rod 12, the middle of the first support rod 11 is rotatably arranged on the seat support rod 9, the upper end parts of the first support rod 11 and the second support rod 12 are rotatably connected, the first support rod 11 is also provided with a limiting blocking body 13, the second support rod 12 is provided with a limiting pressing body 14, and the limiting pressing body 14 can press the limiting blocking body 13 to realize the fixation of the second support rod 12 relative to the first support rod 11.

A handrail 15 is rotatably provided on the support rod 10, and the handrail 15 is rotatably provided on the upper end portion of the first leg rod 11.

Here, the armrest 15 is also pivotally provided at the upper end of the first leg bar 11, and the seat support bar 9, the reclining support bar 10, the armrest 15, and the first leg bar 11 form a "double crank mechanism" in mechanics.

As shown in fig. 3, the bottom of the handrail 15 is provided with a slot 16, the upper end portions of the first leg bar 11 and the second leg bar 12 are located in the slot 16, the first leg bar 11 is rotatably connected to both sides of the slot 16 of the handrail 15, and the bottom surface of the slot 16 of the handrail 15 forms the limit stop 13.

The side frame parts also comprise inclined bracket rods 17, one end of each inclined bracket rod 17 is rotatably connected to the seat bracket rod 9, the other end of each inclined bracket rod 17 is rotatably connected to the first bracket rod 11 belonging to the other side frame part, and the inclined bracket rods in the two side frame parts are in cross rotating connection.

The part of the mesh cloth 1 used for human body to lean against is provided with a soft back cushion 18.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a parallelogram bearing structure's folding chair, includes that two sets of side bearer parts that the symmetry set up and setting are used for the human body to sit or screen cloth (1) of sitting and leaning on between two sets of side bearer parts, its characterized in that: a folding structure is further arranged between the two side frame portions and comprises symmetrical rods (2) located on the symmetrical surfaces of the two side frame portions and two sets of support rod assemblies symmetrically arranged on two sides of the symmetrical surfaces, each support rod assembly comprises a first connecting rod (3) and a second connecting rod (4), one ends of the first connecting rods (3) and one ends of the second connecting rods (4) are respectively rotatably arranged relative to the end portions of two ends of the corresponding symmetrical rods (2), the other ends of the first connecting rods (3) and the second connecting rods (4) are respectively rotatably arranged on the side frame portions on the same side of the corresponding connecting rods, and four rotating connection points formed between the corresponding support rod assemblies, the corresponding symmetrical rods (2) and the side frame portions on the same side of the corresponding support rod assemblies are located on four end points of a parallelogram.

2. A parallelogram support structure deckchair as in claim 1, wherein: the two ends of the symmetrical rod (2) are respectively and fixedly provided with a handle block (5) and a support block (6), the handle block (5) is provided with a holding port (7) for holding a hand to apply force, the first connecting rods (3) in the two groups of support rod assemblies are symmetrically and rotatably arranged on two sides of the handle block (5), the second connecting rods (4) in the two groups of support rod assemblies are symmetrically and rotatably arranged on two sides of the support block (6), at least one of the handle block (5) and the support block (6) is provided with a limiting structure, and the limiting structure can generate a limiting effect on the maximum rotation amplitude of the first connecting rods (3) or/and the second connecting rods (4).

3. A parallelogram support structure deckchair as in claim 2, wherein: the limiting structure comprises a limiting clamping block (8) fixedly arranged on the handle block (5) or/and the support block (6), and the first connecting rod (3) or/and the second connecting rod (4) can be blocked by the limiting clamping block (8) to limit movement when rotating to the maximum amplitude.

4. A parallelogram support structure deckchair as in claim 1, wherein: the side frame parts comprise seat support rods (9), and two sides of the mesh cloth (1) are fixedly arranged between the seat support rods (9) of the two side frame parts.

5. A parallelogram support structure deckchair as in claim 1, wherein: the side frame part include sit cradling piece (9) and lean on cradling piece (10), sit cradling piece (9) and lean on the one end tip of cradling piece (10) to rotate through the connecting piece and connect and form the contained angle between the two, the both sides of screen cloth (1) are fixed to be set up and are sat cradling piece (9) of two sets of side frame parts and lean on between cradling piece (10).

6. A parallelogram support structure deckchair as in claim 5, wherein: the side frame part also comprises a first support rod (11) and a second support rod (12), the middle of the first support rod (11) is rotatably arranged on the seat support rod (9), the upper end part of the first support rod (11) is rotatably connected with the upper end part of the second support rod (12), a limiting blocking body (13) is further arranged on the first support rod (11), a limiting pressing body (14) is arranged on the second support rod (12), and the limiting pressing body (14) can press the limiting blocking body (13) to realize the fixation of the second support rod (12) relative to the first support rod (11).

7. The folding chair of parallelogram support structure of claim 6, wherein: the armrest is characterized in that a handrail (15) is further rotatably arranged on the support rod (10), and the handrail (15) is further rotatably arranged on the upper end portion of the first support rod (11).

8. The folding chair of parallelogram support structure of claim 7, wherein: the bottom of the handrail (15) is provided with a slot (16), the upper end parts of the first support leg rod (11) and the second support leg rod (12) are positioned in the slot (16), the first support leg rod (11) is rotatably connected with two sides of the slot (16) of the handrail (15), and the bottom surface of the slot (16) of the handrail (15) forms the limit stop body (13).

9. The folding chair of parallelogram support structure of claim 6, wherein: the side frame parts further comprise inclined support rods (17), one ends of the inclined support rods (17) are rotatably connected to the seat support rods (9), the other ends of the inclined support rods (17) are rotatably connected to first support rods (11) belonging to the other side frame part, and the inclined support rods (17) in the two side frame parts are in cross rotating connection.

10. A folding chair with a parallelogram support structure as in any of claims 1-3, wherein: the part of the mesh cloth (1) used for human body to lean on is provided with a soft back cushion (18).