CN211431815U

CN211431815U - Folding chair

Info

Publication number: CN211431815U
Application number: CN201922411915.2U
Authority: CN
Inventors: 吴松发
Original assignee: Zhejiang Ouya Bamboo & Wood Co ltd
Current assignee: Zhejiang Ouya Bamboo & Wood Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-08
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a folding chair, which aims at overcoming the problems of insecure and weak use of the folding chair in the prior art, and comprises a first support frame, wherein the first support frame is respectively articulated with a second support frame and a seat board, the seat board is also connected on the second support frame in a sliding way, the second support frame comprises a stop lever, when the first support frame, the second support frame and the seat board are mutually unfolded, the first support frame, the second support frame and the seat board form a triangular support structure, the first support frame comprises a first support rod, a connecting sheet is fixed on the first support rod, the second support frame comprises a second support rod, the connecting sheet is articulated on the second support rod, a first placing groove is arranged on the first support rod, a second placing groove is arranged on the second support rod, the connecting sheet is respectively inserted in the first placing groove and the second placing groove, when the first support frame, the second support frame and the seat board are mutually unfolded, the connecting sheet is arranged in the placing groove matched with the first placing groove and the second placing groove.

Description

Folding chair

Technical Field

The utility model belongs to articles for daily use, in particular to a folding chair.

Background

The folding chair is a portable chair with a folding function, is convenient to move and saves space. The folding chair is widely applied in daily life and generally divided into two types of wooden or iron art.

The grant number "CN 209547517U" discloses a folding chair, which comprises a seat board, a backrest board, two front legs and two rear legs, wherein the two front legs are symmetrically arranged at the left and right sides of the seat board, the side edges of the seat board are rotatably connected or rotatably and slidably connected with the middle parts of the front legs, the front legs and the rear legs at the same side of the seat board form a herringbone opening and closing support, the joint extends backwards to form an extension part, the top of the rear legs is rotatably connected with the rear end part of the extension part, and the front legs and the rear legs are folded or unfolded through the extension part.

However, the prior art is not perfect, the extension part can be generally made of iron hinges, when the side surface of the folding chair is impacted, the extension part is easy to deform and even break, and the folding chair rotates during folding or unfolding and has setback and high noise, so that the problems of unreasonable structural design and intolerance exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and problems in the prior art, the utility model provides a folding chair with reasonable structural design and durability.

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

a folding chair comprises a first support frame, wherein a second support frame and a seat plate are hinged to the first support frame respectively, the seat plate is further connected to the second support frame in a sliding mode, the first support frame, the second support frame and the seat plate can be folded together or unfolded mutually, the second support frame comprises a stop lever, the stop lever is located on the moving path of the seat plate, when the first support frame, the second support frame and the seat plate are unfolded mutually, the seat plate abuts against the stop lever, the first support frame, the second support frame and the seat plate form a triangular supporting structure, the first support frame comprises a first support rod, a connecting sheet is fixedly arranged on the first support rod, the second support frame comprises a second support rod, the connecting sheet is hinged to the second support rod, a first placing groove is formed in the first support rod, a second placing groove is formed in the second support rod, the connecting sheet is inserted into the first placing groove and the second placing groove respectively, and when the first support frame is used, The second supporting frame and the seat board are mutually unfolded, the first placing groove and the second placing groove are matched to form a placing groove, and the connecting sheet is arranged in the placing groove.

Preferably, the first supporting rod is provided with a first plane, the first placement groove is formed in the first plane, the second supporting rod is provided with a second plane, and the second placement groove is formed in the second plane. When the first support frame, the second support frame and the seat board are mutually unfolded, the second plane is attached to the first plane.

Preferably, the first support rods are a pair, the seat plate is hinged between the pair of first support rods, the second support rods are a pair, the seat plate is connected between the first support rods in a sliding mode, and the stop lever is fixedly arranged between the pair of second support rods.

Preferably, the first support bar and the second support bar are in the same plane.

Preferably, the seat plate is fixedly provided with a sliding block, the second supporting rod is provided with a sliding groove, and the sliding block is arranged in the sliding groove in a sliding manner.

Preferably, the first support frame comprises a backup plate, the backup plate is fixedly arranged on the first support rod, and a hand-holding hole is formed in the backup plate.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

(1) when first support frame, second support frame and bedplate expand each other, first resettlement groove and the cooperation of second resettlement groove form the resettlement groove, the connection piece sets up in the resettlement groove, compare in prior art, the connection piece only can produce the shearing deformation and avoid producing bending deformation between first bracing piece and second bracing piece, and it is bigger to produce the required power of shearing deformation, folding chair shock resistance is stronger, therefore this folding chair has structural design reasonable and durable's advantage.

(2) The connecting sheet is hidden in the placing groove, the safety problems such as hand clamping and the like are avoided by the built-in structural design, and the attractiveness of the whole structure is improved.

(3) The second plane laminating is on first plane, and first bracing piece and second bracing piece play spacing effect each other, and first bracing piece, second bracing piece and connection piece also constitute triangular support structure, and two triangular support structure have further improved the structural stability when folding chair expandes.

Drawings

Fig. 1 is a schematic structural view of the present invention in an expanded state;

fig. 2 is a schematic structural view of the present invention in a folded state;

fig. 3 is one of the schematic views of the explosion structure of the present invention;

fig. 4 is a second schematic diagram of the explosion structure of the present invention;

in the figure: 1-a first support frame, 2-a second support frame, 3-a seat board, 4-a connecting sheet, 11-a first support rod, 12-a backup plate, 13-a first cross rod, 21-a second support rod, 22-a stop rod, 23-a second cross rod, 31-a slide block, 111-a first placing groove, 112-a first plane, 121-a hand holding hole, 211-a second placing groove, 212-a second plane and 213-a sliding groove.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a folding chair, including first support frame 1, it has second support frame 2 and bedplate 3 to articulate respectively on first support frame 1, bedplate 3 is still sliding connection on second support frame 2, first support frame 1, second support frame 2 and bedplate 3 can fold together or expand each other, work as first support frame 1, second support frame 2 and bedplate 3 expand each other, first support frame 1, second support frame 2 and bedplate 3 constitute triangular support structure, fall to the ground and place this folding chair, can directly sit the people on bedplate 3, folding chair can stand on subaerial steadily. And when the first support frame 1, the second support frame 2 and the seat plate 3 are folded together, the whole occupied space of the folding chair is reduced, and the folding chair is convenient to store and store.

The second support frame 2 comprises a stop lever 22, the stop lever 22 is located on the moving path of the seat plate 3, and the stop lever 22 is used for limiting the sliding stroke of the seat plate 3 on the second support frame 2.

When first support frame 1, second support frame 2 and bedplate 3 expand each other, bedplate 3 butt on pin 22, first support frame 1, second support frame 2 and bedplate 3 constitute triangular support structure, and triangular support structure possesses the stable characteristic of triangle-shaped, has firm, firm and withstand voltage advantage.

First support frame 1 includes first bracing piece 11, and fixed being provided with connection piece 4 on the first bracing piece 11, second support frame 2 includes second bracing piece 21, and pin 22 is fixed to be set up on second bracing piece 21, specifically, when first support frame 1, second support frame 2 and bedplate 3 expand each other, first bracing piece 11, second bracing piece 21 and bedplate 3 constitute triangular support structure, and connection piece 4 articulates on second bracing piece 21.

First settling groove 111 has been seted up on first bracing piece 11, second settling groove 211 has been seted up on the second bracing piece 21, and connection piece 4 is inserted respectively and is established in first settling groove 111 and second settling groove 211, and connection piece 4 avoids connection piece 4 to shake and produce the noise in first bracing piece 11 or second bracing piece 21 upside respectively with first settling groove 111 and second settling groove 211 looks adaptation.

When the first support frame 1, the second support frame 2 and the seat plate 3 are mutually unfolded, the first placing groove 111 and the second placing groove 211 are matched to form a placing groove, and the connecting sheet 4 is arranged in the placing groove.

Compared with the prior art, the connecting piece 4 can only generate shearing deformation between the first supporting rod 11 and the second supporting rod 21 to avoid generating bending deformation, the force required by the shearing deformation is larger, and the shock resistance of the folding chair is stronger, so that the folding chair has the advantages of reasonable structural design and durability.

In addition, the connecting sheet 4 is hidden in the placing groove, and the built-in structural design avoids safety problems such as hand clamping and the like and improves the attractiveness of the whole structure.

First bracing piece 11 has first plane 112, second bracing piece 21 has second plane 212, first arrangement groove 111 is seted up on first plane 112, second arrangement groove 211 is seted up on second plane 212, when first support frame 1, second support frame 2 and bedplate 3 expand each other, second plane 212 laminating is on first plane 112, thereby realize that first arrangement groove 111 and second arrangement groove 211 cooperate together, and first bracing piece 11 and second bracing piece 21 play spacing effect each other, first bracing piece 11, second bracing piece 21 and connection piece 4 also constitute triangular support structure, two triangular support structure have further improved the structural stability when folding chair expandes.

First bracing piece 11 is a pair of, and bedplate 3 articulates between a pair of first bracing piece 11, and second bracing piece 21 also is a pair of, and bedplate 3 sliding connection is between a pair of second bracing piece 21, and when using this folding chair, the lower extreme of a pair of first bracing piece 11 and the lower extreme of a pair of second bracing piece 21 respectively with ground direct contact, further improved folding chair and fallen to the ground stability of supporting.

The first support rod 11 and the second support rod 21 are in the same plane, and the compactness of the structure is further improved.

Fixed slider 31 that is provided with on bedplate 3, slider 31 are two, and slider 31 one-to-one has seted up spout 213 on the second bracing piece 21 to second bracing piece 21, and slider 31 slides and sets up in spout 213 to realize bedplate 3 sliding connection on second bracing piece 21, and spout 213 has still injectd the slip stroke of bedplate 3.

The first support frame 1 comprises a backup plate 12, the backup plate 12 is fixedly arranged on the first support rods 11, the backup plate 12 and the seat plate 3 are sequentially arranged on the first support rods 11 from top to bottom, the backup plate 12 is specifically fixedly arranged between the two first support rods 11, and a user can lean against the backup plate 12 when sitting on the seat plate 3, so that the riding comfort is further improved.

The backup plate 12 is provided with a hand-holding hole 121, so that when the folding chair is carried, a user can hold the hand-holding hole 121, and the user can apply force to the folding chair conveniently.

The first support frame 1 further comprises a first cross rod 13, the first cross rod 13 is fixedly arranged between the two first support rods 11, the first cross rod 13, the backup plate 12 and the two first support rods 11 form a frame structure, and the structural stability of the first support frame 1 is improved.

The second support frame 2 further comprises a second cross rod 23, the second cross rod 23 is fixedly arranged between the two second support rods 21, the second cross rod 23, the stop rod 22 and the two second support rods 21 form a frame structure, and the structural stability of the second support frame 2 is improved.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A folding chair comprises a first support frame (1), wherein a second support frame (2) and a seat board (3) are respectively hinged on the first support frame (1), the seat board (3) is further connected on the second support frame (2) in a sliding manner, the first support frame (1), the second support frame (2) and the seat board (3) can be folded together or unfolded mutually, the second support frame (2) comprises a stop lever (22), the stop lever (22) is positioned on the moving path of the seat board (3), when the first support frame (1), the second support frame (2) and the seat board (3) are unfolded mutually, the seat board (3) is abutted against the stop lever (22), the first support frame (1), the second support frame (2) and the seat board (3) form a triangular support structure, and the folding chair is characterized in that the first support frame (1) comprises a first support lever (11), a connecting sheet (4) is fixedly arranged on the first support lever (11), second support frame (2) include second bracing piece (21), connection piece (4) articulate on second bracing piece (21), first arrangement groove (111) have been seted up on first bracing piece (11), second arrangement groove (211) have been seted up on second bracing piece (21), connection piece (4) are inserted respectively and are established in first arrangement groove (111) and second arrangement groove (211), work as first support frame (1), second support frame (2) and bedplate (3) expand each other, first arrangement groove (111) and second arrangement groove (211) cooperation form the arrangement groove, connection piece (4) set up in the arrangement groove.

2. A folding chair as claimed in claim 1, characterised in that said first supporting bar (11) has a first plane (112), in that said first housing groove (111) opens out in said first plane (112), in that said second supporting bar (21) has a second plane (212), in that said second housing groove (211) opens out in said second plane (212), in that said second plane (212) rests against said first plane (112) when said first supporting frame (1), said second supporting frame (2) and said seat (3) are mutually unfolded.

3. A folding chair as claimed in claim 1 or 2, characterised in that said first support bars (11) are of a pair, the seat plate (3) is hinged between the pair of first support bars (11), the second support bars (21) are of a pair, the seat plate (3) is slidably connected between the first and second support bars (21), and the stop bar (22) is fixedly arranged between the pair of second support bars (21).

4. A folding chair in accordance with claim 3, characterized in that the first support bar (11) and the second support bar (21) are in the same plane.

5. The folding chair as claimed in claim 1, wherein the seat plate (3) is fixedly provided with a sliding block (31), the second support bar (21) is provided with a sliding groove (213), and the sliding block (31) is slidably arranged in the sliding groove (213).

6. The folding chair as claimed in claim 1, wherein the first support frame (1) comprises a support plate (12), the support plate (12) is fixedly arranged on the first support rod (11), and the support plate (12) is provided with a hand-holding hole (121).