CN218105334U - Folding chair - Google Patents

Abstract

The utility model discloses a folding chair, which comprises at least two groups of backrest tubes, armrest tubes, seat tubes, front foot tubes and armrest supporting tubes, wherein a foldable back cross tube is arranged between the two backrest tubes, and a foldable front cross tube is arranged between the two front foot tubes and the two seat tubes; the rear end of the armrest tube is fixedly connected with the rear end of the seat tube and can slide towards the bottom relative to the extending direction of the backrest tube; the front foot tube and the handrail supporting tube are both in sliding hinge joint with the seat tube; the rear end of the front foot tube is hinged with the backrest tube in a sliding manner and can slide towards the top relative to the extending direction of the backrest tube; the top end of the handrail supporting tube is hinged with the front end of the handrail tube, and the bottom end of the handrail supporting tube is hinged with the front foot tube in a sliding mode. The utility model provides a folding chair, when drawing in, seat pipe and handrail pipe can slide towards the bottom of back pipe simultaneously, reduce the height of handrail pipe and seat pipe after drawing in, and then reduce holistic packing volume, reduce the freight cost.

Description

Folding chair

Technical Field

The utility model relates to a seat equipment field especially relates to a folding chair.

Background

In daily life, the use frequency of the chair is very high, and the folding chair is often used outdoors or in some scenes where the chair is inconvenient to place.

Among the prior art, the folding chair includes the back pipe, handrail pipe and seat pipe, the seat pipe is as supporting the main part, a majority weight for bearing the user, the seat pipe is all installed on the back pipe with the handrail pipe, and all can rotate between seat pipe and the back pipe and between handrail pipe and the back pipe, when the folding chair is folded up to needs, the rear portion upset that is mostly the seat pipe, handrail pipe fixed point is motionless, only rotate, because handrail pipe rotates the back with the back pipe laminating, can lead to the height-increasing, and then it is great to lead to current folding chair to draw in the back packing volume in, inconvenient transportation and accomodating.

Therefore, how to reduce the packaging volume of the folding chair is a technical problem to be solved by the technicians in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding chair, this folding chair can effectual improvement draw in the volume after in, convenient transportation.

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

a folding chair comprises at least two groups of backrest tubes, armrest tubes, seat tubes, front foot tubes and armrest supporting tubes, wherein a foldable rear cross tube is arranged between the two backrest tubes, and a foldable front cross tube is arranged between the two front foot tubes and the two seat tubes; the rear end of the armrest tube is fixedly connected with the rear end of the seat tube and can slide towards the bottom relative to the extending direction of the backrest tube; the front foot pipe and the handrail supporting pipe are both in sliding hinge joint with the seat pipe; the rear end of the front foot tube is hinged with the backrest tube in a sliding mode and can slide towards the top relative to the extending direction of the backrest tube; the top end of the armrest supporting tube is hinged with the front end of the armrest tube, and the bottom end of the armrest supporting tube is hinged with the front foot tube in a sliding mode.

Preferably, the backrest pipe is provided with a backrest limiting part, and the armrest pipe and/or the front foot pipe can be clamped with the backrest limiting part when being unfolded.

Preferably, the handrail tube is provided with a handrail limiting part, the front foot tube is provided with a front foot limiting part, and two ends of the handrail supporting tube can be respectively clamped with the handrail limiting part and the front foot limiting part when being unfolded.

Preferably, the handrail support device further comprises a first connecting piece arranged on the handrail tube, a sliding groove is arranged in the first connecting piece, the extending direction of the sliding groove is consistent with the extending direction of the handrail tube, the top end of the handrail support tube is hinged to the first connecting piece and can slide along the sliding groove, and one side, close to the backrest tube, of the sliding groove forms the handrail limiting part.

Preferably, the backrest device further comprises a second connecting piece sleeved on the backrest tube, and the second connecting piece can slide relative to the backrest tube; the rear end of the front foot tube and the top end of the rear cross tube are hinged with the second connecting piece and can move along with the second connecting piece.

Preferably, the backrest comprises a backrest tube, and is characterized by further comprising a buckle, wherein the buckle is at least arranged on the second connecting piece of one group of backrest tubes, and can be clamped with the second connecting piece of the other group of backrest tubes when being folded.

Preferably, the rear end of the armrest tube is slidably hinged to the backrest tube through a third connecting piece, the rear end of the seat tube is slidably hinged to the backrest tube through a fourth connecting piece, and a fixing piece is fixedly arranged between the third connecting piece and the fourth connecting piece.

Preferably, a flexible supporting part is connected between the adjacent seat tubes, and foot pads are hinged to the bottoms of the backrest tubes and the bottoms of the front foot tubes.

Preferably, the backrest tube comprises a backrest tube body and a plug piece, and the plug piece is detachably mounted at the top of the backrest tube body.

Preferably, the top of the backrest tube body is connected with the plug-in piece through a spring pin and a clamping hole in a matched mode.

The utility model provides a folding chair, which comprises at least two groups of backrest tubes, armrest tubes, seat tubes, front foot tubes and armrest supporting tubes, wherein a foldable back cross tube is arranged between the two backrest tubes, and a foldable front cross tube is arranged between the two front foot tubes and the two seat tubes; the rear end of the armrest tube is fixedly connected with the rear end of the seat tube and can slide towards the bottom relative to the extending direction of the backrest tube; the front foot pipe and the handrail supporting pipe are both in sliding hinge joint with the seat pipe; the rear end of the front foot tube is hinged with the backrest tube in a sliding mode and can slide towards the top relative to the extending direction of the backrest tube; the top end of the handrail supporting tube is hinged with the front end of the handrail tube, and the bottom end of the handrail supporting tube is hinged with the front foot tube in a sliding mode. The utility model provides a folding chair, when drawing in, the seat pipe with but the handrail pipe moves towards simultaneously the bottom of back pipe slides, reduces the handrail pipe with the height after drawing in is managed to the seat, and then reduces holistic packing volume, reduces the freight cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a specific embodiment of a folding chair provided by the present invention;

FIG. 2 is a side view of the folding chair of FIG. 1;

FIG. 3 is a schematic view of the folding chair of FIG. 1 in the moving direction during the folding process;

FIG. 4 is a schematic view of the folding chair of FIG. 1 during a folding process;

FIG. 5 is a schematic view of the folding chair of FIG. 1 shown in a folded configuration;

FIG. 6 is a schematic view of the folding chair of FIG. 1 shown in a closed configuration with the plug members separated;

wherein: a backrest tube-1; a plug-in part-11; a backrest tube body-12; a second connector-13; a backrest limiting part-14; a fixture-15; a handrail tube-2; a first connecting member-21; a handrail supporting tube-3; a seat tube-4; front foot tube-5; a front foot limiting part-51; a front cross pipe-6; a rear cross pipe-7; a buckle-8; a foot pad-9.

Detailed Description

The core of the utility model is to provide a folding chair, which is small after being folded, convenient for transportation and effectively reduces the cost of transportation cost.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 6, fig. 1 is a schematic structural view of a specific embodiment of a folding chair provided by the present invention; FIG. 2 is a side view of the folding chair of FIG. 1; FIG. 3 is a schematic view of the folding chair of FIG. 1 in the moving direction during the folding process; FIG. 4 is a schematic view of the folding chair of FIG. 1 during the folding process; FIG. 5 is a schematic view of the folding chair of FIG. 1 shown in a folded configuration; fig. 6 is a schematic structural view of the folding chair shown in fig. 1 when the plug-pull member is separated after being folded.

In this embodiment, the folding chair includes at least two sets of a back rest tube 1, an armrest tube 2, a seat tube 4, a front leg tube 5, and an armrest support tube 3.

Two groups of backrest tubes 1, armrest tubes 2, seat tubes 4, front foot tubes 5 and armrest supporting tubes 3 are respectively positioned on the left side and the right side, a foldable rear cross tube 7 is arranged between the two backrest tubes 1, and a foldable front cross tube 6 is arranged between the two front foot tubes 5 and the two seat tubes 4, namely, a single group of backrest tubes 1, armrest tubes 2, seat tubes 4, front foot tubes 5 and armrest supporting tubes 3 form a single-side structure of the folding chair, and then the left structure and the right structure are connected and fixed through the front cross tube 6 and the rear cross tube 7.

Further, the rear end of the handrail tube 2 is fixedly connected with the rear end of the seat tube 4 and can slide towards the bottom relative to the extending direction of the backrest tube 1, namely the rear end of the handrail tube 2 and the rear end of the seat tube 4 can slide towards the bottom of the backrest tube 1; the front foot tube 5 and the handrail supporting tube 3 are both hinged with the seat tube 4 in a sliding manner, that is, the front foot tube 5 and the handrail supporting tube 3 can both slide relative to the seat tube 4, for example, a plastic sleeve can be used for sliding connection, and meanwhile, the front foot tube 5 and the handrail supporting tube 3 are both hinged with a sleeve sleeved on the seat tube 4, so that the front foot tube 5 and the handrail supporting tube 3 are hinged with the seat tube 4 in a sliding manner.

Furthermore, the rear end of the front foot tube 5 is slidably hinged to the backrest tube 1 and can slide towards the top relative to the extending direction of the backrest tube 1, that is, the front foot tube 5 can slide relative to the backrest tube 1, for example, a plastic sleeve can be used for sliding connection, and meanwhile, the front foot tube 5 is hinged to a sleeve sleeved on the backrest tube 1, so that the rear end of the front foot tube 5 is slidably hinged to the backrest tube 1; the top end of the handrail supporting tube 3 is hinged with the front end of the handrail tube 2, and similarly, the handrail supporting tube 3 can slide relative to the handrail tube 2, for example, a plastic sleeve can be adopted for sliding connection, and meanwhile, the handrail supporting tube 3 is hinged with a sleeve sleeved on the handrail tube 2, so that the sliding hinge connection between the top end of the handrail supporting tube 3 and the front end of the handrail tube 2 is realized; when this folding chair expandes, behind the effort that flexible support piece between two seat pipes 4 received, exert on preceding foot pipe 5 through seat pipe 4, the one end effect of preceding foot pipe 5 is subaerial, and the other end effect is on back pipe 1, and the back pipe 1, preceding foot pipe 5 and seat pipe interact between 4, have constituted stable structure, can play the effect of stable support, simple structure, convenient operation, the cost of manufacture is low.

The utility model provides a folding chair, when drawing in, seat pipe 4 and handrail pipe 2 can slide towards the bottom of back pipe 1 simultaneously, reduce the height of handrail pipe 2 and seat pipe 4 after drawing in, and then reduce holistic package volume, reduce the freight cost.

In some embodiments, the armrest tube 2 is provided with an armrest limiting portion, the bottom end of the armrest support tube 3 is slidably hinged to the front foot tube 5, the front foot tube 5 is provided with a front foot limiting portion 51, and two ends of the armrest support tube 3 can be respectively clamped with the armrest limiting portion and the front foot limiting portion 51 when being unfolded. Specifically, the front leg limiting part 51 is located at the bottom of the connection between the front leg tube 5 and the armrest support tube 3, and it should be noted that the front end referred to herein refers to the end far away from the backrest tube 1, and the rear end refers to the end close to the backrest tube 1.

In some embodiments, the backrest pipe 1 is provided with a backrest limiting part 14, and the armrest pipe 2 and/or the front foot pipe 5 can be clamped with the backrest limiting part 14 when being unfolded; specifically, the number of the backrest limiting parts 14 may be two, and the two backrest limiting parts are respectively located at the upper part of the joint between the backrest tube 1 and the armrest tube 2 and the lower part of the joint between the backrest tube 1 and the front foot tube 5, preferably, the backrest limiting part 14 may be only arranged at the upper part of the joint between the backrest tube 1 and the armrest tube 2, and may prevent the armrest tube 2 from moving upwards continuously when being unfolded, so as to perform a limiting function, as shown in fig. 2. Of course, a backrest limiting part 14 can be added at the lower part of the joint of the backrest tube 1 and the front foot tube 5, and the front foot tube 5 can be clamped with the corresponding backrest limiting part 14 when being unfolded, so that the limit position of the rear end of the front foot tube 5 when being unfolded is ensured, and the limit is realized. Both the backrest restraint portion 14 and the forefoot restraint portion 51 may be bosses.

In some embodiments, the seat further comprises a first connecting member 21 mounted on the handle tube 2, a sliding slot is provided in the first connecting member 21, the extending direction of the sliding slot is the same as the extending direction of the handle tube 2, the top end of the handle support tube 3 is hinged to the first connecting member 21 and can slide along the sliding slot, and one side of the sliding slot, which is close to the backrest tube 1, forms a handle limiting part, that is, the handle limiting part is located on the first connecting member 21. Specifically, the side of the chute close to the backrest tube 1 forms a handrail limiting part, meanwhile, the side of the chute far from the backrest tube 1 also forms a limit, when the handrail supporting tube 3 is folded, the top end of the handrail supporting tube 3 moves to the side of the chute far from the backrest tube 1 and stops, and when the handrail supporting tube 3 is unfolded, the top end of the chute moves to the side of the chute close to the backrest tube 1 and stops.

In some embodiments, the backrest device further comprises a second connecting member 13 sleeved on the backrest tube 1, wherein the second connecting member 13 can slide relative to the backrest tube 1; the rear end of the front foot tube 5 and the top end of the rear cross tube 7 are hinged with the second connecting piece 13 and can move along with the second connecting piece 13. Specifically, the second connecting piece 13 is sleeved on the backrest tube 1, two hinge points are arranged on the side surface of the second connecting piece 13, one hinge point is hinged with the rear end of the front leg tube 5, and the other hinge point is hinged with the top end of the rear cross tube 7.

In some embodiments, the back cross tubes 7 comprise a first back cross tube 7 and a second back cross tube 7 arranged in a cross, the middle part of the first back cross tube 7 is hinged with the middle part of the second back cross tube 7, the top part of the first back cross tube 7 and the top part of the second back cross tube 7 are respectively hinged with the second connecting pieces 13 on the backrest tubes 1 on different sides, and the bottom part of the first back cross tube 7 and the bottom part of the second back cross tube 7 are respectively hinged with the bottom parts of the backrest tubes 1 on different sides.

In some embodiments, the front cross pipe 6 comprises a first front cross pipe 6 and a second front cross pipe 6 which are arranged in a cross manner, the middle part of the first front cross pipe 6 is hinged with the middle part of the second front cross pipe 6, the top part of the first front cross pipe 6 and the top part of the second front cross pipe 6 are respectively hinged with the front ends of the seat pipes 4 on different sides, and the bottom part of the first front cross pipe 6 and the bottom part of the second front cross pipe 6 are respectively hinged with the bottom parts of the front foot pipes 5 on different sides.

In some embodiments, the first connector 21 and/or the second connector 13 are plastic connectors, which are low cost and easy to install.

In some embodiments, as shown in fig. 1 and 4, a buckle 8 is further included, the buckle 8 is mounted on at least the second connector 13 of one group of backrest tubes 1, and the buckle 8 can be clamped with the second connector 13 of another group of backrest tubes 1 when being folded. Specifically, be equipped with the draw-in groove on the buckle 8, can set up the bayonet lock on another group second connecting piece 13, when this folding chair draws in, the accessible rotates buckle 8 for draw-in groove and bayonet lock joint, thereby realize drawing in spacing after, convenient transportation and accomodate.

In some embodiments, the rear end of the armrest tube 2 is slidably hinged to the backrest tube 1 through a third connecting member, the rear end of the seat tube 4 is slidably hinged to the backrest tube 1 through a fourth connecting member, and a fixing member 15 is fixedly arranged between the third connecting member and the fourth connecting member. Specifically, the fixing member 15 is a sheet metal connecting rod or a plastic connecting rod. Preferably, the third connecting piece and/or the fourth connecting piece are/is made of plastic; the fixing member 15 may be a sheet metal fixing member or a plastic fixing member, and the fixing member 15 is preferably a connecting rod, and is firmly connected. Specifically, the third connecting piece and the fourth connecting piece are sleeved on the backrest pipe 1, the rear end of the armrest pipe 2 is hinged to the third connecting piece, and the rear end of the seat pipe 4 is hinged to the fourth connecting piece. According to the arrangement, the rear end of the handrail tube 2 and the rear end of the seat tube 4 are fixed through the fixing piece 15, so that the handrail tube 2 and the seat tube 4 can move relative to the backrest tube 1 at the same time, and when the folding chair is folded, the handrail tube 2 and the seat tube 4 slide towards the bottom of the backrest tube 1 at the same time, so that the heights of the handrail tube 2 and the seat tube 4 after being folded are reduced, and the whole packaging volume is further reduced.

In some embodiments, a flexible support is connected between adjacent seat tubes 4. In particular, the flexible supporting member can be made of a bendable material such as canvas and a connecting rope.

In some embodiments, the foot pads 9 are hinged to the bottom of the back tube 1 and the bottom of the front leg tube 5. Preferably, the bottom surface of callus on the sole 9 is the plane, and the setting of callus on the sole 9 can conveniently make level, improves the environment adaptability, all can use like environment such as slope.

In some embodiments, the back tube 1 includes a back tube body 12 and a plug 11, and the plug 11 is detachably mounted on the top of the back tube body 12. Preferably, the top of the backrest tube body 12 is connected with the plug piece 11 through the elastic pin and the clamping hole in a matched mode, so that the backrest tube is convenient to assemble and disassemble, the plug piece 11 on the top of the backrest tube 1 can be taken down when the folding chair is transported, and the packaging volume is reduced; of course, the plug member 11 may not be removed when the user is in the folded state after use.

In a specific embodiment, the back tube 1 is provided with the plug member 11 which is taken down during packaging and transportation, so that the packaging volume is reduced, and the plug member is plugged when being used by a client and is not required to be plugged after being folded when not being packaged; the second connecting piece 13 is connected with the front leg tube 5 and the back cross tube 7 and slides on the backrest tube 1 when being folded; the handrail tube 2 and the seat tube 4 are fixed by a metal plate fixing piece or a plastic fixing piece, and slide downwards when being folded, so that the heights of the handrail tube 2 and the seat tube 4 are reduced after being folded; the first connecting piece 21 at the lower part of the handrail tube 2 is provided with a sliding chute, and the top of the handrail supporting tube 3 slides in the sliding chute when being folded; when the folding chair is folded, the bottom of the armrest supporting tube 3 slides on the front foot tube 5, as shown by arrows in fig. 3, which is the moving direction of each structure when the folding chair is folded; the front foot tube 5 is provided with a front foot limiting part 51 to prevent the handrail supporting tube 3 from sliding downwards when sitting down, thereby playing an effective role in supporting.

According to the folding chair, when the chair is folded, the seat tube 4 and the armrest tube 2 slide downwards at the same time, and meanwhile, the top backrest tube 1 is provided with the plug-pull piece 11, so that the packaging volume during transportation is reduced, and the transportation cost is reduced; the limit is effectively realized through the arrangement of the limit parts, and the firmness in the unfolding use process is ensured; through the setting of buckle 8, place folding chair and scatter, guarantee the stability when drawing in.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above has described the folding chair provided by the utility model in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A folding chair is characterized by comprising at least two groups of backrest tubes (1), armrest tubes (2), seat tubes (4), front foot tubes (5) and armrest supporting tubes (3), wherein a foldable rear cross tube (7) is arranged between the two backrest tubes (1), and a foldable front cross tube (6) is arranged between the two front foot tubes (5) and the two seat tubes (4); the rear end of the armrest tube (2) is fixedly connected with the rear end of the seat tube (4) and can slide towards the bottom relative to the extending direction of the backrest tube (1); the front foot tube (5) and the armrest supporting tube (3) are both hinged with the seat tube (4) in a sliding manner; the rear end of the front foot tube (5) is hinged with the backrest tube (1) in a sliding mode and can slide towards the top relative to the extending direction of the backrest tube (1); the top end of the handrail supporting tube (3) is hinged with the front end of the handrail tube (2), and the bottom end of the handrail supporting tube is hinged with the front foot tube (5) in a sliding mode.

2. The folding chair according to claim 1, characterized in that a backrest limiting part (14) is arranged on the backrest tube (1), and the armrest tube (2) and/or the front foot tube (5) can be clamped with the backrest limiting part (14) when being unfolded.

3. The folding chair according to claim 1, characterized in that the armrest tube (2) is provided with an armrest limiting part, the front leg tube (5) is provided with a front leg limiting part (51), and two ends of the armrest support tube (3) can be respectively clamped with the armrest limiting part and the front leg limiting part (51) when being unfolded.

4. The folding chair according to claim 3, further comprising a first connecting piece (21) mounted on the armrest tube (2), wherein a sliding groove is formed in the first connecting piece (21), the extending direction of the sliding groove is consistent with the extending direction of the armrest tube (2), the top end of the armrest support tube (3) is hinged to the first connecting piece (21) and can slide along the sliding groove, and one side of the sliding groove, which is close to the backrest tube (1), forms the armrest limiting part.

5. The folding chair according to claim 1, characterized in that it further comprises a second connecting member (13) fitted over said backrest tube (1), said second connecting member (13) being slidable with respect to said backrest tube (1); the rear end of the front foot tube (5) and the top end of the rear cross tube (7) are hinged with the second connecting piece (13) and can move along with the second connecting piece (13).

6. The folding chair according to claim 5, characterized in that it further comprises a catch (8), said catch (8) being mounted on at least the second connecting piece (13) of one set of said backrest tubes (1), and said catch (8) being adapted to snap-fit with the second connecting piece (13) of the other set of said backrest tubes (1) when folded.

7. The folding chair according to claim 1, characterized in that the rear end of the armrest tube (2) is slidably hinged to the backrest tube (1) by a third connecting member, the rear end of the seat tube (4) is slidably hinged to the backrest tube (1) by a fourth connecting member, and a fixing member (15) is fixedly arranged between the third connecting member and the fourth connecting member.

8. The folding chair according to claim 1, characterized in that a flexible support is connected between adjacent seat tubes (4), and the bottom of the backrest tube (1) and the bottom of the front foot tube (5) are each articulated with a foot pad (9).

9. The folding chair according to any of claims 1 to 8, characterized in that the backrest tube (1) comprises a backrest tube body (12) and a plug (11), the plug (11) being detachably mounted on top of the backrest tube body (12).

10. The folding chair as claimed in claim 9, characterized in that the top of the backrest tube body (12) is connected with the plug member (11) by means of a spring pin and a snap hole.

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