CN210114221U

CN210114221U - Foldable chair

Info

Publication number: CN210114221U
Application number: CN201920797195.5U
Authority: CN
Inventors: 吴云根
Original assignee: Zhejiang Five Star Furniture Co Ltd
Current assignee: Zhejiang Five Star Furniture Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-28
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a foldable chair, including rectangle seat panel and back board, both sides homogeneous body shaping has the rectangular plate around the left side wall of rectangle seat panel, the top homogeneous body shaping of rectangular plate has the swash plate, the back board is installed between two swash plates in front and back through the rotation of first round pin, the left end of bar is through second round pin and back board swing joint, the right-hand member bottom of bar has the arc pole through third round pin movable mounting, both sides homogeneous body shaping has the rectangular block around the bottom of rectangle seat panel, pass through fifth round pin swing joint between arc pole and the rectangular block, both sides homogeneous body shaping has the round bar around the bottom of back board, the top of rectangular plate is all movable mounting has the fourth round pin, the arc wall has all been seted up to the one end that is close to the back board of fourth round pin; the folding backrest is simple to operate, convenient to fold the backrest plate, convenient to limit the backrest plate and convenient to use.

Description

Foldable chair

Technical Field

The utility model relates to a chair technical field specifically is a collapsible chair.

Background

The chair can be divided into fixed type, rotary type, folding type, combined type, suspension type, inflatable type and the like according to different structures; the chair can be divided into a backrest chair, an armchair, a spiral chair, a leg-crossing chair and the like according to the shapes. The chair surface is generally square, and is provided with a backrest and an arch-shaped head. The shape of the backrest chair is characterized in that the backrest has no armrest, and the backrest does not protrude. The back rest of such chairs come in different forms, and are known as "one-piece" chairs. The other is called a lamp hanging chair, and the cross beam of the lamp hanging chair is provided with two columns which are slightly tilted upwards just like a lamp post of a flip lamp, so the name is obtained.

The chair plays an important role in our daily work, but the back board of the traditional chair is difficult to fold, and has certain defects, so the improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable chair to solve the problem that the back board of the traditional chair proposed in the above-mentioned background art is difficult to fold.

In order to achieve the above object, the utility model provides a following technical scheme: a foldable chair comprises a rectangular seat panel and a back board, wherein rollers are arranged at the bottom of the rectangular seat panel in a rolling manner through a mounting bracket, rectangular boards are arranged on the front side wall and the back side wall of the rectangular seat panel in a front-back manner, inclined boards are arranged on the top of the rectangular boards in a top manner, the back board is rotatably arranged between the front inclined boards and the back inclined boards through a first round pin, grab bars are arranged on the front side and the back side of the upper portion of the rectangular seat panel, the left end of each grab bar is movably connected with the back board through a second round pin, an arc-shaped bar is movably arranged at the bottom of the right end of each grab bar through a third round pin, rectangular blocks are arranged on the front side wall and the back side wall of the bottom of the rectangular seat panel in a front-back manner, the arc-shaped bars are movably connected with the rectangular blocks through fifth round pins, round bars are movably arranged on the front side and the back side wall of, arc-shaped grooves are formed in one end, close to the backrest plate, of the fourth round pin.

Preferably, the outer wall of the fourth round pin is welded with a bearing, the outer wall of the bearing is welded with an annular plate, and the annular plate is fixedly connected with the rectangular plate through a threaded rod.

Preferably, rectangular notches are formed in the outer ends of the threaded rods.

Preferably, the outer wall of the fourth round pin is welded with a rectangular shifting block, and the rectangular shifting block is parallel to the arc-shaped groove.

Preferably, the limiting round rods are welded on the outer walls of the rectangular plates on the left side and the upper side of the annular plate.

Preferably, a sponge layer is arranged at the top of the rectangular seat panel, and a gauze is sewn outside the sponge layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the folding backrest is simple to operate, the folding backrest is convenient, the limitation on the backrest is convenient, and the use is convenient;

2. when the backrest plate armrest rod is used, the round rod is clamped inside the arc-shaped groove, and the arc-shaped groove is vertical to the horizontal plane, so that the backrest plate armrest rod and the arc-shaped rod are limited for people to sit;

3. when the folding chair needs to be folded, the fourth round pin is twisted anticlockwise, the arc-shaped groove is parallel to the horizontal plane, the limit of the round rod is relieved by the arc-shaped groove, the backrest plate is pressed clockwise, the backrest plate rotates around the first round pin, the backrest plate is pressed on the rectangular seat panel, the folding of the backrest plate is completed, and when the folding chair needs to be used, the folding chair can be operated reversely according to the above.

Drawings

FIG. 1 is a front view of the chair of the present invention in use;

FIG. 2 is a front view of the chair of the present invention;

fig. 3 is a schematic structural view of a fourth round pin of the present invention;

fig. 4 is an enlarged view of a portion a of the chair in a folded front view.

In the figure: the novel backrest comprises a rectangular seat panel 1, a mounting bracket 2, rollers 3, a rectangular plate 4, an inclined plate 5, a first round pin 51, a backrest plate 6, a second round pin 61, a grab bar 7, a third round pin 71, an arc-shaped rod 8, a rectangular block 6, a fifth round pin 91, a round rod 10, a fourth round pin 11, an arc-shaped groove 12, a bearing 13, a ring plate 14, a threaded rod 15, a rectangular notch 16, a rectangular shifting block 17, a limiting round rod 18, a sponge layer 19 and a gauze 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a foldable chair comprises a rectangular seat panel 1 and a backrest plate 6, wherein rollers 3 are arranged at the bottom of the rectangular seat panel 1 in a rolling manner through a mounting bracket 2, rectangular plates 4 are respectively integrally formed at the front side and the rear side of the left side wall of the rectangular seat panel 1, inclined plates 5 are respectively integrally formed at the tops of the rectangular plates 4, the backrest plate 6 is rotatably arranged between the front inclined plate 5 and the rear inclined plate 5 through a first round pin 51, grab bars 7 are respectively arranged at the front side and the rear side of the upper side of the rectangular seat panel 1, the left end of each grab bar 7 is movably connected with the backrest plate 6 through a second round pin 61, an arc-shaped bar 8 is movably arranged at the bottom of the right end of each grab bar 7 through a third round pin 71, rectangular blocks 9 are respectively formed at the front side and the rear side of the bottom of the rectangular seat panel 1, a fifth round pin 91 is movably connected between each arc-shaped bar 8 and each rectangular block 9, round bars 10 are respectively integrally formed at the front side, the top of the rectangular plate 4 is movably provided with a fourth round pin 11, and one end of the fourth round pin 11 close to the backrest plate 6 is provided with an arc-shaped groove 12.

Specifically, bearing 13 has all been welded to the outer wall of fourth round pin 11, annular plate 14 has all been welded to the outer wall of bearing 13, annular plate 14 pass through threaded rod 15 with 4 fixed connection of rectangular plate make things convenient for the dismouting of fourth round pin 11 through dismouting threaded rod 15.

Specifically, rectangular notches 16 are formed in the outer ends of the threaded rods 15, and due to the rectangular notches 16, the threaded rods 15 can be conveniently detached through flat screwdrivers.

Specifically, the outer wall of the fourth round pin 11 is welded with a rectangular shifting block 17, the rectangular shifting block 17 is parallel to the arc-shaped groove 12, and the fourth round pin 11 is conveniently twisted through the rectangular shifting block 17.

Specifically, be located the left side and the top of annular plate 14 the outer wall of rectangular plate 4 all welds and has spacing round bar 18, when rectangular plate 4 was taken at left spacing round bar 18, is parallel with arc wall 12 horizontal plane, and arc wall 12 removes the spacing to round bar 10, and when rectangular plate 4 supported the spacing round bar 18 of upside, it was perpendicular with arc wall 12 horizontal plane, the completion was to the spacing of back 6 bar 7 and arc 8.

Specifically, the top of rectangle seat panel 1 is equipped with sponge layer 19, gauze 20 has been sewed up to the outside on sponge layer 19, has improved the comfort level when people take through sponge layer 19.

The structure principle is as follows: when in use, as shown in fig. 1, the round bar 10 is clamped inside the arc-shaped groove 12, and the arc-shaped groove 12 is vertical to the horizontal plane, so that the position limitation of the grab rail 7 and the arc-shaped bar 8 of the backrest plate 6 is completed for people to sit;

as shown in fig. 2, when folding is required, the fourth round pin 11 is twisted counterclockwise to make the arc-shaped groove 12 parallel to the horizontal plane, at this time, the arc-shaped groove 12 releases the limit to the round rod 10, and then the back board 6 is pressed clockwise, at this time, the back board 6 rotates around the first round pin 51, the back board 6 is pressed on the rectangular seat panel 1, folding of the back board 6 is completed, and when using is required, the operation is performed according to the reverse operation.

Therefore, the folding backrest is simple to operate, the backrest plate 6 can be conveniently folded, and meanwhile, the backrest plate 6 is convenient to limit and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable chair, includes rectangle seat panel (1) and back board (6), gyro wheel (3), its characterized in that are installed through installing support (2) roll in the bottom of rectangle seat panel (1): the equal integrated into one piece in both sides has rectangular plate (4) around the left side wall of rectangle seat panel (1), the equal integrated into one piece in top of rectangular plate (4) has swash plate (5), back board (6) are rotated through first round pin (51) and are installed between two swash plate (5) in front and back, both sides all are equipped with grab bar (7) around the top of rectangle seat panel (1), the left end of grab bar (7) is through second round pin (61) and back board (6) swing joint, the right-hand member bottom of grab bar (7) has arc pole (8) through third round pin (71) movable mounting, both sides are all had around the bottom of rectangle seat panel (1)

Integrated into one piece has rectangular block (9), through fifth round pin (91) swing joint between arc pole (8) and rectangular block (9), both sides homogeneous body shaping has round bar (10) around the bottom of back board (6), the equal movable mounting in top of rectangular plate (4) has fourth round pin (11), being close to of fourth round pin (11) arc wall (12) have all been seted up to the one end of back board (6).

2. A foldable chair according to claim 1, wherein: the outer wall of fourth round pin (11) all welds bearing (13), the outer wall of bearing (13) all welds annular plate (14), annular plate (14) pass through threaded rod (15) with rectangular plate (4) fixed connection.

3. A foldable chair according to claim 2, wherein: rectangular notches (16) are formed in the outer end of the threaded rod (15).

4. A foldable chair according to claim 2, wherein: the outer wall of the fourth round pin (11) is welded with a rectangular shifting block (17), and the rectangular shifting block (17) is parallel to the arc-shaped groove (12).

5. A foldable chair according to claim 2, wherein: and limiting round rods (18) are welded on the outer walls of the rectangular plates (4) on the left side and the upper side of the annular plate (14).

6. A foldable chair according to claim 1, wherein: the top of the rectangular seat panel (1) is provided with a sponge layer (19), and a gauze (20) is sewed outside the sponge layer (19).