CN215820311U

CN215820311U - Novel folding chair

Info

Publication number: CN215820311U
Application number: CN202021482255.3U
Authority: CN
Inventors: 黄林
Original assignee: Anji Tianhao Steel And Plastic Products Co ltd
Current assignee: Anji Tianhao Steel And Plastic Products Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2022-02-15
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a novel folding chair which comprises a seat plate, wherein four chair legs are fixedly arranged at the bottom of the seat plate, the four chair legs are arranged in a pairwise symmetry manner, a backrest plate is hinged to one side of the seat plate and is arranged obliquely, a first fixing seat is fixedly arranged at one side of the backrest plate, a first threaded hole is formed in the top of the first fixing seat, a first lead screw is arranged in the first threaded hole in a threaded manner, two ends of the first lead screw extend out of the first threaded hole, a positioning plate positioned below the backrest plate is fixedly arranged at one side of the seat plate, and a through hole is formed in the top of the positioning plate. The folding chair has the advantages of reasonable design, good practicability, convenience for folding the backrest plate and the leg supporting plate, reduction in occupied space, reasonable use space, convenience for unfolding the backrest plate and the leg supporting plate for use, capability of supporting the back and two legs of people, capability of enabling people to rest on the chair plate in a half lying mode, and good comfort.

Description

Novel folding chair

Technical Field

The utility model relates to the technical field of chairs, in particular to a novel folding chair.

Background

Nowadays, the types of chairs are various, and can be divided into solid wood chairs, glass chairs, iron art chairs, plastic chairs, cloth art chairs, leather art chairs, foaming chairs and the like according to the materials, and can be divided into office chairs, dining chairs, bar chairs, leisure chairs, deck chairs, special chairs, children chairs and the like according to the use.

However, in the prior art, most of existing chairs cannot be folded when in use, and when not in use, the backrest plate and the seat plate cannot be folded together, so that the occupied area of the chair is large, especially in a state that the space area is small, the space cannot be reasonably utilized, and leg support plates which can be folded are not arranged on most of the chairs to support and support legs of people, so that people do not have comfort when sitting on the chairs for rest.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel folding chair, which solves the problems that most of the existing chairs can not be folded, a backrest plate and a seat plate can not be folded together, so that the occupied area of the chair is large, the space can not be reasonably utilized, and the legs of people can not be supported and supported by the aid of leg supporting plates which can be folded, so that people can not have comfort when sitting on the chair for rest.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a novel folding chair comprises a seat plate, wherein four chair legs are fixedly installed at the bottom of the seat plate, the four chair legs are symmetrically arranged in pairs, a backrest plate is hinged to one side of the seat plate, the backrest plate is arranged in an inclined manner, a first fixing seat is fixedly installed at one side of the backrest plate, a first threaded hole is formed in the top of the first fixing seat, a first lead screw is installed in the first threaded hole in an internal thread manner, two ends of the first lead screw extend out of the first threaded hole, a positioning plate located below the backrest plate is fixedly installed at one side of the seat plate, a through hole is formed in the top of the positioning plate, a through hole is formed in the bottom end of the first lead screw, a leg supporting plate is hinged to one side of the seat plate away from the backrest plate, the leg supporting plate is arranged in an inclined manner, a second fixing seat is fixedly installed at one side of the leg supporting plate close to the chair legs, a second threaded hole is formed in the top of the second fixing seat plate, and a second lead screw is installed in the second threaded hole, outside the both ends of second lead screw all extended to the second screw hole, the constant head tank has been seted up to the bottom of seat board, the constant head tank sets up for the slope, the top of second lead screw extends to in the constant head tank, the bottom fixed mounting of seat board has accomodate groove and fixed slot, accomodate the groove and be located between fixed slot and the constant head tank, the fixed slot is kept away from and is accomodate the spout on one side inner wall in groove, slidable mounting has the kelly in the spout, the one end of kelly extends to in the fixed slot, the one end fixed mounting that the kelly is located the spout has the spring, the one end that the kelly was kept away from to the spring and one side inner wall fixed connection of spout.

Preferably, a connecting hole is formed in the inner wall of the bottom of the sliding groove, a push rod is fixedly mounted at the bottom of the clamping rod, and the bottom end of the push rod penetrates through the connecting hole.

Preferably, a pedal is fixedly installed at one end, far away from the seat plate, of the leg supporting plate, and the pedal is obliquely arranged.

Preferably, a clamping groove is formed in one side, far away from the leg supporting plate, of the pedal plate, and the clamping groove is matched with the clamping rod.

Preferably, a limiting groove is formed in the inner wall of the top of the sliding groove, a limiting rod is fixedly mounted at the top of the clamping rod, and the limiting rod is slidably mounted in the limiting groove.

Preferably, a first handle is fixedly mounted at the top end of the first screw rod, and a second handle is fixedly mounted at the bottom end of the second screw rod.

(III) advantageous effects

The utility model provides a novel folding chair. The method has the following beneficial effects:

(1) this novel folding chair through setting up the back board, and when people sat on the seat board, utilizes the back board to support people's back for people can half lie on the seat board, through setting up the leg layer board, can support the support to people's shank, through setting up the running-board, is convenient for support people's both feet, makes people half lie have good travelling comfort when having a rest on the seat board.

(2) The novel folding chair can rotate the backrest plate to the upper part of the seat plate by rotating the first handle anticlockwise to drive the first screw rod to be screwed out of the through hole (shown in figure 5), rotate the second handle anticlockwise to drive the second screw rod to be screwed out of the positioning groove, rotate the leg supporting plate to the lower part of the seat plate, drive the clamping rod to move towards the outside of the sliding groove by pushing the push rod, the spring is compressed and deformed to generate elastic force, then rotate the leg supporting plate to be contacted with the bottom of the seat plate, enable the second fixing seat and the second screw rod to be accommodated in the accommodating groove, one side of the pedal plate to be accommodated in the fixing groove, release the push rod, enable the clamping rod to be clamped into the clamping groove under the elastic force of the spring, and fold and fix the leg supporting plate and the pedal plate at the bottom of the seat plate by utilizing the clamping fit of the clamping rod and the clamping groove (shown in figure 5), thereby conveniently folding back board and leg layer board, reduce space area occupied, the rational utilization space.

(3) This novel folding chair, through rotating the back board slope to suitable position, clockwise rotation first handle, make first handle drive in the first lead screw in through-hole, accomplished promptly and fixed the position of back board, through promoting the push rod, make the push rod drive outside the kelly roll-off draw-in groove, alright rotation leg layer board slope to suitable position, clockwise rotation second handle, make the second handle drive in the second lead screw in constant head tank, accomplished the position to the leg layer board promptly and fixed, the simple operation, be convenient for expand back board and leg layer board, make things convenient for people to use.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of portion C of FIG. 1;

fig. 5 is a cross-sectional structural view of the folded back board and leg rest.

In the figure: 1. a seat plate; 2. a chair leg; 3. a back board; 4. a first fixed seat; 5. a first threaded hole; 6. A first lead screw; 7. positioning a plate; 8. a through hole; 9. a leg rest; 10. a second fixed seat; 11. a second threaded hole; 12. a second lead screw; 13. positioning a groove; 14. a receiving groove; 15. fixing grooves; 16. a chute; 17. A clamping rod; 18. a spring; 19. connecting holes; 20. a push rod; 21. a foot pedal; 22. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a novel folding chair comprises a seat plate 1, four chair legs 2 are fixedly installed at the bottom of the seat plate 1, the four chair legs 2 are symmetrically arranged in pairs, a backrest plate 3 is hinged to one side of the seat plate 1, the backrest plate 3 is arranged in an inclined manner, a first fixing seat 4 is fixedly installed at one side of the backrest plate 3, a first threaded hole 5 is formed in the top of the first fixing seat 4, a first lead screw 6 is installed in the first threaded hole 5 through internal threads, both ends of the first lead screw 6 extend out of the first threaded hole 5, a positioning plate 7 positioned below the backrest plate 3 is fixedly installed at one side of the seat plate 1, a through hole 8 is formed in the top of the positioning plate 7, a leg supporting plate 9 is hinged to one side of the seat plate 1, which is far away from the backrest plate 3, the leg supporting plate 9 is arranged in an inclined manner, a second fixing seat 10 is fixedly installed at one side of the leg supporting plate 9, which is close to the chair legs 2, second screw hole 11 has been seted up at the top of second fixing base 10, second lead screw 12 is installed to second screw hole 11 internal thread, outside second screw hole 11 all extends to second screw hole 12 at the both ends of second lead screw 12, constant head tank 13 has been seted up to the bottom of seat board 1, constant head tank 13 sets up for the slope, the top of second lead screw 12 extends to in the constant head tank 13, the bottom fixed mounting of seat board 1 has groove 14 and fixed slot 15 of accomodating, it is located between fixed slot 15 and the constant head tank 13 to accomodate groove 14, fixed slot 15 is kept away from and is seted up spout 16 on one side inner wall of accomodating groove 14, slidable mounting has kelly 17 in the spout 16, the one end of kelly 17 extends to in the fixed slot 15, the one end fixed mounting that kelly 17 is located spout 16 has spring 18, one side inner wall fixed connection of kelly 17 and spout 16 is kept away from to spring 18.

Connecting hole 19 has been seted up on the bottom inner wall of spout 16, the bottom fixed mounting of kelly 17 has push rod 20, connecting hole 19 is run through to the bottom of push rod 20, the one end fixed mounting that seat board 1 was kept away from to leg layer board 9 has running-board 21, running-board 21 sets up for the slope, draw-in groove 22 has been seted up to one side that leg layer board 9 was kept away from to running-board 21, draw-in groove 22 and kelly 17 looks adaptation, the spacing groove has been seted up on the top inner wall of spout 16, the top fixed mounting of kelly 17 has the gag lever post, gag lever post slidable mounting is at the spacing inslot, the top fixed mounting of first lead screw 6 has first handle, the bottom fixed mounting of second lead screw 12 has the second handle.

When the chair is used, the seat board 1 can be stably supported on the ground by arranging the four chair legs 2, the backrest board 3 is arranged, when people sit on the seat board 1, the backrest board 3 is utilized to support the back of people, so that people can lie on the seat board 1 in half, the leg supporting board 9 is arranged, the legs of people can be supported and supported when people lie on the seat board 1 in half, the pedal 21 is arranged to facilitate people to collect two feet on the pedal 21 to facilitate the support of the two feet, so that people have good comfort when resting on the seat board 1 in half, when the backrest board 3 needs to be folded, the first handle is rotated anticlockwise to drive the first screw rod 6 to be screwed out of the through hole 8, namely the fixation of the seat board 3 is released, the backrest board 3 can be rotated to the position above the seat board 1 (shown in figure 5), when the leg supporting plate 9 needs to be folded and folded, the second handle is rotated anticlockwise to drive the second screw rod 12 to be screwed out of the positioning groove 13, namely, the leg supporting plate 9 is released from being fixed, the leg supporting plate 9 is rotated to the lower part of the seat plate 1, the push rod 20 is pushed to drive the clamping rod 17 to move towards the direction outside the sliding groove 16, the spring 18 is compressed and deformed to generate elastic force, the clamping rod 17 drives the limiting rod to slide in the limiting groove, then the leg supporting plate 9 is rotated to be contacted with the bottom of the seat plate 1, the second fixing seat 10 and the second screw rod 12 are accommodated in the accommodating groove 14, one side of the pedal 21 is accommodated in the fixing groove 15, then the push rod 20 is loosened, the clamping rod 17 is clamped in the clamping groove 22 under the elastic force of the spring 18, and the clamping cooperation of the clamping rod 17 and the clamping groove 22 is utilized, namely, the leg supporting plate 9 and the pedal 21 are folded and fixed at the bottom of the seat plate 1 (shown in figure 5), thereby facilitating the folding of the backrest plate 3 and the leg supporting plate 9, reducing the occupied space, reasonably utilizing the space, the first handle is rotated clockwise by rotating the back board 3 to incline to a proper position, so that the first handle drives the first screw rod 6 to be screwed into the through hole 8, the position of the back board 3 is fixed, the push rod 20 is pushed to drive the clamping rod 17 to slide out of the clamping groove 22, namely, the fixing of the leg supporting plate 9 is released, the leg supporting plate 9 is rotated to incline to a proper position, the second handle is rotated clockwise, so that the second handle drives the second screw rod 12 to be screwed into the positioning groove 13, the position of the leg supporting plate 9 is fixed, the operation is convenient, the back board 3 and the leg supporting plate 9 are convenient to unfold, the use by people is convenient, and those not described in detail in this specification are well within the skill of those in the art.

To sum up, the novel folding chair has the advantages that by arranging the backrest plate 3, when people sit on the seat plate 1, the backrest plate 3 is utilized to support the back of people, so that people can lie on the seat plate 1 in half, by arranging the leg support plate 9, the legs of people can be supported, by arranging the pedal 21, the feet of people can be supported conveniently, so that people can have good comfort when lying on the seat plate 1 for rest, by rotating the first handle anticlockwise, the first handle drives the first screw rod 6 to rotate out of the through hole 8, the backrest plate 3 can be rotated to the upper part of the seat plate 1 (shown in figure 5), by rotating the second handle anticlockwise, the second handle drives the second screw rod 12 to rotate out of the positioning groove 13, the leg support plate 9 can be rotated to the lower part of the seat plate 1, by pushing the push rod 20, the push rod 20 drives the clamping rod 17 to move towards the direction out of the sliding groove 16, the spring 18 is compressed and deformed to generate elastic force, then the leg support plate 9 is rotated to be in contact with the bottom of the seat plate 1, the second fixed seat 10 and the second screw rod 12 are accommodated in the accommodating groove 14, one side of the pedal 21 is accommodated in the fixed groove 15, the push rod 20 is loosened, under the elastic force action of the spring 18, the clamping rod 17 is clamped into the clamping groove 22, the leg support plate 9 and the pedal 21 are folded and fixed at the bottom of the seat plate 1 (shown in figure 5) by utilizing the clamping fit of the clamping rod 17 and the clamping groove 22, so that the folding of the leg support plate 9 and the pedal 21 is conveniently carried out, the folding of the backrest plate 3 and the leg support plate 9 is reduced, the space occupation area is reasonably utilized, the first handle is rotated clockwise by rotating the backrest plate 3 to a proper position, the first handle drives the first screw rod 6 to be screwed into the through hole 8, namely, the fixing of the position of the backrest plate 3 is completed, and the push rod 20 is pushed, the back board 3 and the leg supporting board 9 can be conveniently unfolded for use, the chair is reasonable in design and good in practicability, the back board 3 and the leg supporting board 9 can be conveniently folded, the occupied space is reduced, the space is reasonably used, the back board 3 and the leg supporting board 9 can be conveniently unfolded for use, the back and the legs of people can be supported, people can rest on the chair board 1 when lying half, and the chair is comfortable.

Claims

1. A novel folding chair comprises a seat board (1), and is characterized in that: the chair is characterized in that four chair legs (2) are fixedly mounted at the bottom of the seat plate (1), the four chair legs (2) are arranged in a pairwise symmetry manner, a backrest plate (3) is hinged to one side of the seat plate (1), the backrest plate (3) is arranged in an inclined manner, a first fixing seat (4) is fixedly mounted at one side of the backrest plate (3), a first threaded hole (5) is formed in the top of the first fixing seat (4), a first lead screw (6) is mounted in the first threaded hole (5) in an internal thread manner, two ends of the first lead screw (6) extend out of the first threaded hole (5), a positioning plate (7) positioned below the backrest plate (3) is fixedly mounted at one side of the seat plate (1), a through hole (8) is formed in the top of the positioning plate (7), the bottom end of the first lead screw (6) penetrates through the through hole (8), and a supporting plate (9) is hinged to one side of the seat plate (1) far away from the backrest plate (3), the leg supporting plate (9) is arranged in an inclined manner, a second fixing seat (10) is fixedly arranged on one side, close to the chair legs (2), of the leg supporting plate (9), a second threaded hole (11) is formed in the top of the second fixing seat (10), a second lead screw (12) is installed in the second threaded hole (11) in an internal thread mode, two ends of the second lead screw (12) extend out of the second threaded hole (11), a positioning groove (13) is formed in the bottom of the seat plate (1), the positioning groove (13) is arranged in an inclined manner, the top end of the second lead screw (12) extends into the positioning groove (13), a containing groove (14) and a fixing groove (15) are fixedly installed at the bottom of the seat plate (1), the containing groove (14) is located between the fixing groove (15) and the positioning groove (13), a sliding groove (16) is formed in the inner wall of one side, far away from the containing groove (14), a clamping rod (17) is installed in the sliding groove (16), one end of the clamping rod (17) extends into the fixing groove (15), one end of the clamping rod (17) located in the sliding groove (16) is fixedly provided with a spring (18), and one end, far away from the clamping rod (17), of the spring (18) is fixedly connected with the inner wall of one side of the sliding groove (16).

2. The new folding chair as claimed in claim 1, wherein: connecting holes (19) are formed in the inner wall of the bottom of the sliding groove (16), a push rod (20) is fixedly mounted at the bottom of the clamping rod (17), and the bottom end of the push rod (20) penetrates through the connecting holes (19).

3. The new folding chair as claimed in claim 1, wherein: one end, far away from the seat plate (1), of the leg supporting plate (9) is fixedly provided with a pedal (21), and the pedal (21) is obliquely arranged.

4. A new folding chair as claimed in claim 3, characterised in that: one side of the pedal plate (21) far away from the leg supporting plate (9) is provided with a clamping groove (22), and the clamping groove (22) is matched with the clamping rod (17).

5. The new folding chair as claimed in claim 1, wherein: a limiting groove is formed in the inner wall of the top of the sliding groove (16), a limiting rod is fixedly mounted at the top of the clamping rod (17), and the limiting rod is slidably mounted in the limiting groove.

6. The new folding chair as claimed in claim 1, wherein: the top end of the first screw rod (6) is fixedly provided with a first handle, and the bottom end of the second screw rod (12) is fixedly provided with a second handle.