CN114515081A

CN114515081A - Gear-shifting folding chair

Info

Publication number: CN114515081A
Application number: CN202210254239.6A
Authority: CN
Inventors: 杨崇新; 吕亮; 张开翥; 杨磊
Original assignee: Anhui Hantang Leisure Products Co ltd
Current assignee: Anhui Hantang Leisure Products Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-05-20

Abstract

The invention discloses a gear-shifting folding chair, which belongs to the technical field of folding chairs and comprises armrests, a seat frame and a backrest adjusting device, wherein the backrest adjusting device is arranged on two sides of the folding chair and comprises a first connecting pipe, a handle sleeve, a handle pipe fitting, a plastic component, a plastic hinged seat, a lower back pipe and a second connecting piece, and one end of the handle sleeve is movably connected with the bottom end of the lower back pipe. Compared with the traditional gear shifting mode, the device has the advantages that the gear shifting mode is more cost-saving through the mode of shifting the two handle pipe fittings, the traditional switching mode needs a user to stand up when the gears are switched, the gear shifting is troublesome, the gear shifting is simple through the device, the device does not have a pause phenomenon in the gear shifting and folding processes, and the pause phenomenon and the time and labor waste phenomena in the folding and gear shifting processes can be effectively avoided.

Description

Gear-shifting folding chair

Technical Field

The invention relates to a folding chair, in particular to a gear-shifting folding chair, belonging to the technical field of folding chairs.

Background

Outdoor exercises are more and more pursued by people, the requirements on outdoor exercise products are higher and higher, and folding chairs are needed for outdoor exercises. While ensuring the comfort and firmness of the chair, the chair is also required to have more additional functions.

The invention provides a folding chair which can be folded and has a gear shifting function for a user, the chair has good structural rigidity, can lie and sit, has small size after being folded, is convenient to carry, has wide product application, can be used outdoors for leisure, can also be used indoors, and is suitable for places such as gardens, rooms, balconies and the like.

Disclosure of Invention

The invention mainly aims to solve the problems that gear shifting is troublesome and people need to stand, and provides a gear shifting folding chair.

The purpose of the invention can be achieved by adopting the following technical scheme:

the gear-shifting folding chair comprises armrests, a seat frame and backrest adjusting devices, wherein the backrest adjusting devices are arranged on two sides of the folding chair, each backrest adjusting device comprises a first connecting pipe, a handle sleeve, a handle pipe fitting, a plastic component, a plastic hinged seat, a lower back pipe and a second connecting piece, and one end of the handle sleeve is movably connected with the bottom end of the lower back pipe.

Still further, the seat frame includes a seat tube and a cross tube.

Furthermore, the armrest comprises an armrest tube, a rear foot tube, a plastic hinged support, a foot pad, a second connecting tube for connecting the seat frame and the armrest, a first connecting piece for connecting the backrest adjusting mechanism, an upper back tube, a first plastic piece, a third connecting tube, a second plastic piece and a supporting tube.

Furthermore, a supporting tube is arranged between the two upper back tubes, and a first plastic part is arranged in the middle of the supporting tube.

Furthermore, a third connecting pipe is connected between the two first plastic parts.

Furthermore, the lower back pipe is connected with the upper back pipe through a second connecting piece, and the lower back pipe is connected with the seat frame through a plastic hinged support.

Furthermore, the first plastic part, the third connecting pipe, the second plastic part and the supporting pipe are supporting structures of a backrest.

Furthermore, the other end of the handle sleeve is movably connected with the rear foot tube through a first connecting piece, and the handle pipe fitting is sleeved on the handle sleeve.

The invention has the beneficial technical effects that: according to the gear shifting folding chair, the inclination direction of the lower back pipe is indirectly changed by changing the direction of the first connecting pipe, so that the sitting posture of a human body is changed, compared with the traditional gear shifting mode, the device is more cost-saving by a mode of shifting gears by two handle pipe fittings, and when the gears are switched, the traditional switching mode needs a user to stand up, the gear shifting is troublesome, and the user does not need to stand up through the device and only needs to slightly lift or press the handle sleeve by hands; when the user lies down, the user gently lifts and pulls the handle gloves upwards by hands, the human body can lie down under the action of self weight, the device does not have the blocking phenomenon in the gear shifting and folding processes, and the phenomena of blocking and stopping and time and labor waste in the gear shifting and folding processes can be effectively avoided.

Drawings

FIG. 1 is a schematic view of a half-reclining structure of a preferred embodiment of a shift folding chair according to the present invention;

FIG. 2 is a schematic view of a sitting configuration of a preferred embodiment of the shift chair according to the present invention;

fig. 3 is a schematic view of a folding structure of a preferred embodiment of the shift folding chair according to the present invention.

In the figure: 1. a plastic component; 2. a handle tube member; 3. a handle sleeve; 4. a seat tube; 5. a cross tube; 6. a foot pad; 7. a handrail tube; 8. a first connecting member; 9. a first connecting pipe; 10. a second connecting pipe; 11. a rear foot tube; 12. plastic hinged supports; 13. a lower back tube; 14. a second connecting member; 15. an upper back tube; 16. a first plastic part; 17. a third connecting pipe; 18. a second plastic part; 19. and (5) supporting the tube.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the shift-adjustable folding chair provided in this embodiment includes armrests, a seat frame, and a backrest adjusting device, the backrest adjusting device is disposed on two sides of the folding chair, the backrest adjusting device includes a first connecting tube 9, a handle cover 3, a handle tube 2, a plastic component 1, a plastic hinge seat 12, a lower back tube 13, and a second connecting member 14, one end of the handle cover 3 is movably connected to a bottom end of the lower back tube 13, the other end of the handle cover 3 is movably connected to a rear foot tube 11 through a first connecting member 8, the handle tube 2 is sleeved on the handle cover 3, so as to be convenient for a user to grasp, wherein the second connecting member 14 is irrelevant to the adjustment of the angle of the backrest of the chair, but only to reduce the folded size of the chair, the armrests include an armrest tube 7, a rear foot tube 11, a plastic hinge seat 12, a foot pad 6, a second connecting tube 10 connecting the seat frame and the armrest frame, and the first connecting member 8, a second connecting member, a second connecting the backrest adjusting mechanism, The chair comprises an upper back tube 15, a first plastic part 16, a third connecting tube 17, a second plastic part 18 and a supporting tube 19, wherein a seat frame comprises a seat tube 4 and a cross tube 5, the first plastic part 16, the third connecting tube 17, the second plastic part 18 and the supporting tube 19 are supporting structures of a backrest, and the supporting structures are used for ensuring that the backrest fabric of the chair is in a tight state when in use; when the chair is folded, the first plastic parts 16 are lifted upwards, the supporting pipes 19 are folded, the supporting pipes 19 are arranged between the two upper back pipes 15, the first plastic parts 16 are arranged in the middle of the supporting pipes 19, the third connecting pipe 17 is connected between the two first plastic parts 16, the lower back pipe 13 is connected with the upper back pipes 15 through the second connecting piece 14, and the lower back pipe 13 is connected with the seat frame through the plastic hinged seat 12.

In the embodiment, as shown in fig. 1, the handle sleeve 3 is pulled, the handle sleeve 3 automatically props against the handrail tube 7 under the gravity of the human body, at this time, the included angle of the back of the chair is in the state shown in fig. 1, the human body is very comfortable when sitting on the chair, and the whole human body can be relaxed by half lying angle.

In this embodiment, as shown in fig. 2, when the handle sleeve 3 is pressed in the state of fig. 1, the handle sleeve 3 and the handle tube member 2 are substantially aligned with the first connecting tube 9 under the self-weight of the human body, and the angle between the back and the seat of the chair is reduced, so that the chair returns to the sitting position.

In the present embodiment, as shown in fig. 1 to fig. 3, the operation process of the gear shifting folding chair provided by the present embodiment is as follows:

step 1: the included angle between the backrest and the seat tube 4 is changed by lifting or pressing the handle tube 2, the handle tube 2 is pressed, and at the moment, when the first connecting tube 9 is in a horizontal state, the included angle between the lower back tube 13 of the chair and the seat tube 4 is smaller, and the chair is in an upright state;

and 2, step: the handle pipe fitting 2 is lifted, at this time, the first connecting pipe 9 is in an upright state, the included angle between the chair lower back pipe 13 and the seat pipe 4 is enlarged, and the chair is in a half lying state.

In summary, in the present embodiment, according to the shift folding chair of the present embodiment, the inclination direction of the lower back tube 13 is indirectly changed by changing the direction of the first connecting tube 9, so as to change the sitting posture of the human body, compared with the conventional shift mode, the present device is more cost-effective by shifting the two handle tube members 2, and when the shift is switched, the conventional switching mode requires the user to stand up, which is troublesome to shift, and the user does not need to stand up through the present device, and only needs to slightly lift or press the handle sleeve 3 with a hand; when the user lies down, the user gently lifts the handle gloves 3 upwards by hands, the user can lie down under the action of the dead weight, the device is free of blocking phenomenon in the shifting and folding processes, and the phenomena of blocking and stopping, time waste and labor waste in the folding and shifting processes can be effectively avoided.

The above description is only a further embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its idea within the scope of the present invention.

Claims

1. The gear-shifting folding chair is characterized by comprising armrests, a seat frame and a backrest adjusting device, wherein the backrest adjusting device is arranged on two sides of the folding chair, the backrest adjusting device comprises a first connecting pipe (9), a handle sleeve (3), a handle pipe fitting (2), a plastic component (1), a plastic hinged seat (12), a lower back pipe (13) and a second connecting piece (14), and one end of the handle sleeve (3) is movably connected with the bottom end of the lower back pipe (13).

2. The gear shifting folding chair according to claim 1, characterized in that the seat frame comprises a seat tube (4) and a cross tube (5).

3. The folding chair of claim 1, wherein the armrest comprises an armrest tube (7), a back foot tube (11), a plastic hinge seat (12), a foot pad (6), a second connecting tube (10) connecting the seat frame and the armrest, a first connecting piece (8) connecting the backrest adjusting mechanism, an upper back tube (15), a first plastic piece (16), a third connecting tube (17), a second plastic piece (18) and a supporting tube (19).

4. The folding chair for gear shifting according to claim 3, characterized in that a support tube (19) is arranged between the two upper back tubes (15), and a first plastic part (16) is arranged in the middle of the support tube (19).

5. The folding chair of claim 4, characterised in that a third connecting pipe (17) is connected between the two first plastic parts (16).

6. The gearshift folding chair according to claim 3, characterized in that the lower back tube (13) is connected to the upper back tube (15) by a second connector (14), and the lower back tube (13) is connected to the seat frame by a plastic hinge (12).

7. The gearshift folding chair according to claim 3, characterized in that the first plastic part (16), the third connecting pipe (17), the second plastic part (18) and the support pipe (19) are support structures of a backrest.

8. The gear-shifting folding chair according to claim 3, characterized in that the other end of the handle sleeve (3) is movably connected with the rear foot tube (11) through a first connecting piece (8), and the handle pipe fitting (2) is sleeved on the handle sleeve (3).