CN113273839A

CN113273839A - Detachable freely-turning backrest folding chair

Info

Publication number: CN113273839A
Application number: CN202110472864.3A
Authority: CN
Inventors: 张开翥; 杨崇新; 吕亮; 史万宇; 宁艳玲; 牛变变; 祝巧玉; 王秀瑾
Original assignee: Anhui Hantang Leisure Products Co ltd
Current assignee: Anhui Hantang Leisure Products Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-08-20
Anticipated expiration: 2041-04-29
Also published as: CN113273839B

Abstract

The invention discloses a detachable folding chair with a freely-turning backrest, which belongs to the technical field of folding chairs and comprises a bottom plate, wherein a first support is arranged at the top of the bottom plate, a second support is arranged on one side of the first support, the first support and the second support are inserted into the top of the bottom plate through a plurality of grooves, a third support is arranged at the top of the first support, and a fourth support is arranged at the top of the second support. According to the invention, through the arrangement of the bottom plate, the groove, the first support and the second support, the disassembly can be conveniently carried out, when the support cloth is not used, the first support and the second support can be pulled out from the groove, so that the bottom plate can be separated, through the arrangement of the support cloth, the first connecting block, the second connecting block, the first track groove and the second track groove, the support cloth can be changed in any shape among the first support, the second support, the third support and the fourth support through the first connecting block and the second connecting block, and the use is convenient and flexible.

Description

Detachable freely-turning backrest folding chair

Technical Field

The invention relates to a folding chair, in particular to a detachable folding chair with a freely-turning backrest, belonging to the technical field of folding chairs.

Background

The folding chair is always popular with people due to the characteristic of convenient storage, and especially people always prefer foldable furniture articles in high-rise buildings with small living areas.

How to develop a detachable freely-turning backrest folding chair is a problem to be solved urgently at present.

Disclosure of Invention

The invention mainly aims to solve the defects of the prior art and provides a folding chair with a detachable freely-turnable backrest.

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

a detachable folding chair with a freely-turning backrest comprises a bottom plate, wherein a first support is arranged at the top of the bottom plate, a second support is arranged on one side of the first support, the first support and the second support are inserted into the top of the bottom plate through a plurality of grooves, a third support is arranged at the top of the first support, a fourth support is arranged at the top of the second support, the first support and the third support are rotatably connected through a first hinge, the second support and the fourth support are rotatably connected through a second hinge, second rail grooves are formed in the first support and the third support, first rail grooves are formed in the second support and the fourth support, a supporting cloth is arranged between the third support and the fourth support, a plurality of first connecting blocks are arranged on one side of the supporting cloth, the opposite side of supporting cloth is provided with a plurality of second connecting blocks, first connecting block slidable mounting in the inboard in second track groove, second connecting block slidable mounting in the inboard in first track groove, all seted up a plurality of pinholes on first support, second support, third support and the fourth support.

Preferably, the pin hole is used for being matched with a fixing nail to fix the positions of the first connecting block and the second connecting block.

Preferably, fixing pins for limiting the rotation of the third bracket and the fourth bracket are arranged between the first bracket and the third bracket and between the second bracket and the fourth bracket.

Preferably, two connecting rods are symmetrically arranged between the first bracket and the second bracket.

Preferably, a connecting seat is arranged below the supporting cloth, and a backrest is arranged on the inner side of the connecting seat.

Preferably, the backrest is rotatably installed on the inner side of the connecting seat through a screw and a screw hole, and a back cushion is arranged on the backrest.

Preferably, a plurality of the grooves are uniformly distributed on the bottom plate.

Preferably, the second track grooves of the first bracket and the third bracket are communicated with each other, and the first track grooves of the second bracket and the fourth bracket are communicated with each other.

Preferably, the bottom of the bottom plate is provided with a non-slip mat, a supporting plate is arranged inside the bottom plate, and one end of the supporting plate is provided with a baffle.

Preferably, the baffle is provided with a handle positioned outside the bottom plate.

The invention has the beneficial technical effects that: according to the detachable freely-turning backrest folding chair, the base plate, the groove, the first support and the second support are arranged, the detachable freely-turning backrest folding chair can be conveniently detached, the base plate can be separated by pulling the first support and the second support out of the groove when the detachable freely-turning backrest folding chair is not used, the support cloth can be changed in any shape among the first support, the second support, the third support and the fourth support through the first connecting block and the second connecting block through the arrangement of the support cloth, the first connecting block, the second connecting block, the first track groove and the second track groove, the detachable freely-turning backrest folding chair is convenient and flexible to use, and the positions of the first connecting block and the second connecting block can be fixed through the pin holes and the fixing nails.

Drawings

FIG. 1 is a front view of a preferred embodiment of a removable free-flipping back folding chair according to the invention;

FIG. 2 is a cross-sectional view of a preferred embodiment of the removable free-flipping back folding chair according to the present invention;

FIG. 3 is a schematic view of a first frame structure of a preferred embodiment of the folding chair with detachable freely reversible backrest according to the invention;

FIG. 4 is a schematic view of a support cloth structure of a preferred embodiment of the folding chair with detachable freely reversible backrest according to the present invention;

FIG. 5 is a schematic view of the bottom panel of a preferred embodiment of the folding chair with detachable freely reversible backrest according to the present invention;

fig. 6 is a schematic view of the backrest structure of a preferred embodiment of the folding chair with detachable freely-turnable backrest according to the present invention.

In the figure: 1-bottom plate, 2-first support, 3-second support, 4-connecting seat, 5-backrest, 6-third support, 7-supporting cloth, 8-fourth support, 9-first hinge, 10-connecting rod, 11-first connecting block, 12-second connecting block, 13-fixing pin, 14-first track groove, 15-pin hole, 16-fixing nail, 17-groove, 18-non-slip pad, 19-second hinge, 20-baffle, 21-handle, 22-supporting plate, 23-back cushion, 24-screw, 25-screw hole, 26-second track groove.

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 to 6, the detachable folding chair with freely-turnable backrest provided in this embodiment includes a base plate 1, a first bracket 2 is disposed on a top of the base plate 1, a second bracket 3 is disposed on one side of the first bracket 2, the first bracket 2 and the second bracket 3 are both inserted into a top of the base plate 1 through a plurality of grooves 17, a third bracket 6 is disposed on a top of the first bracket 2, a fourth bracket 8 is disposed on a top of the second bracket 3, the first bracket 2 and the third bracket 6 are rotatably connected through a first hinge 9, the second bracket 3 and the fourth bracket 8 are rotatably connected through a second hinge 19, a second rail groove 26 is disposed on each of the first bracket 2 and the third bracket 6, a first rail groove 14 is disposed on each of the second bracket 3 and the fourth bracket 8, a supporting cloth 7 is disposed between the third bracket 6 and the fourth bracket 8, a plurality of first connecting blocks 11 are disposed on one side of the supporting cloth 7, the opposite side of supporting cloth 7 is provided with a plurality of second connecting blocks 12, and first connecting block 11 slidable mounting is in the inboard of second track groove 26, and second connecting block 12 slidable mounting all has seted up a plurality of pinholes 15 in the inboard of first track groove 14 on first support 2, second support 3, third support 6 and the fourth support 8. Through bottom plate 1, recess 17, the setting of first support 2 and second support 3, can conveniently dismantle, extract first support 2 and second support 3 from recess 17 in can the bottom plate 1 separate when not using, through supporting cloth 7, first connecting block 11, second connecting block 12, the setting of first track groove 14 and second track groove 26, supporting cloth 7 can be through first connecting block 11 and second connecting block 12 at first support 2, second support 3, carry out the change of arbitrary shape between third support 6 and the fourth support 8, convenient nimble use, and can fix the position of first connecting block 11 and second connecting block 12 through pinhole 15 and staple 16.

In the present embodiment, as shown in fig. 1, 2, 3 and 4, the pin hole 15 is used for cooperating with a fixing nail 16 to fix the positions of the first connecting block 11 and the second connecting block 12, fixing pins 13 for limiting the rotation of the third bracket 6 and the fourth bracket 8 are respectively arranged between the first bracket 2 and the third bracket 6 and between the second bracket 3 and the fourth bracket 8, the second rail grooves 26 on the first bracket 2 and the third bracket 6 are communicated with each other, the first rail grooves 14 on the second bracket 3 and the fourth bracket 8 are communicated with each other, and two connecting rods 10 are symmetrically arranged between the first bracket 2 and the second bracket 3. Through the setting of pinhole 15 and staple 16, can conveniently fix the position of first connecting block 11 and second connecting block 12, through the setting of fixed pin 13, can prevent that third support 6 and fourth support 8 from carrying out the fifty percent discount in the direction of the first support 2 of case and second support 3 when using, through the setting of first track groove 14 and second track groove 26, can conveniently adjust the position of supporting cloth 7, through the setting of connecting rod 10, can support first support 2 and second support 3, make things convenient for first support 2 and second support 3 to carry out the exclusive use.

In this embodiment, as shown in fig. 2, 5 and 6, a connecting seat 4 is disposed below the supporting cloth 7, a backrest 5 is disposed on the inner side of the connecting seat 4, a back cushion 23 is disposed on the backrest 5, a plurality of grooves 17 are uniformly distributed on the bottom plate 1, a non-slip mat 18 is disposed at the bottom of the bottom plate 1, a supporting plate 22 is disposed inside the bottom plate 1, a baffle plate 20 is disposed at one end of the supporting plate 22, and a handle 21 located outside the bottom plate 1 is disposed on the baffle plate 20. Through the setting of connecting seat 4, back 5 and cushion 23, can conveniently become an independent chair with bottom plate 1 and back 5 and use, through the setting of cushion 23, can the person of facilitating the use more comfortable lean on back 5, through the setting of slipmat 18, can prevent that bottom plate 1 from sliding when using, through the setting of recess 17, can conveniently insert the inside of recess 17 with first support 2 and second support 3.

In this embodiment, as shown in fig. 1 to fig. 6, the operation process of the folding chair with detachable freely-turnable backrest provided by this embodiment is as follows:

step 1: when in use, the first bracket 2 and the second bracket 3 are inserted into the groove 17 on the bottom plate 1, then the first connecting block 11 and the second connecting block 12 are respectively placed between the second track groove 26 and the first track groove 14, then the shape of the supporting cloth 7 is adjusted according to the requirements of a user, and when in use, the supporting plate 22 is pulled out of the bottom plate 1 through the handle 21, so that the foot support can be provided for the user;

step 2: when the seats in the family are not enough, the first support 2 and the second support 3 can be pulled out of the groove 17, then the support plate 22 is pushed into the bottom plate 1, then the backrest 5 is rotated to enable the backrest 5 to be vertical to the bottom plate 1, then the position of the backrest 5 is fixed through the screw 24 and the screw hole 25, the bottom plate 1 and the backrest 5 can be a chair with the backrest, and in addition, the whole support cloth 7 is completely placed between the first support 2 and the second support 3 when the chair is used, so that the support cloth 7 is changed into an inverted U shape, and the lower waist exercise can be carried out by means of the support cloth 7;

and step 3: when the use is finished, the first support 2 and the second support 3 are taken out of the groove 17, then the fixing nails 16 are taken down, the supporting cloth 7 is detached from the first support 2 and the second support 3 along the second track groove 26 and the first track groove 14 through the first connecting blocks 11 and the second connecting blocks 12, the fixing pins 13 are pulled out, the third support 6 and the fourth support 8 are folded in half in the directions of the first support 2 and the second support 3 respectively, and then the storage is carried out.

In summary, in the present embodiment, according to the detachable folding chair with freely reversible backrest of the present embodiment, the positions of the first connecting block 11 and the second connecting block 12 can be conveniently fixed by the arrangement of the pin hole 15 and the fixing pin 16, the third bracket 6 and the fourth bracket 8 can be prevented from being folded in the direction of the first bracket 2 and the second bracket 3 when in use by the arrangement of the fixing pin 13, the position of the supporting cloth 7 can be conveniently adjusted by the arrangement of the first rail groove 14 and the second rail groove 26, the first bracket 2 and the second bracket 3 can be supported by the arrangement of the connecting rod 10, the first bracket 2 and the second bracket 3 can be conveniently used independently, the bottom plate 1 and the backrest 5 can be conveniently changed into an independent chair for use by the arrangement of the connecting seat 4, the backrest 5 and the backrest 23, and the backrest 23 can be conveniently arranged by the arrangement of the backrest 23, can the more comfortable back of facilitating the use 5 of leaning on, through the setting of slipmat 18, can prevent that bottom plate 1 from sliding when using, through the setting of recess 17, can conveniently insert the inside of recess 17 with first support 2 and second support 3.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims

1. The detachable folding chair with the freely-turning backrest is characterized by comprising a bottom plate (1), wherein a first support (2) is arranged at the top of the bottom plate (1), a second support (3) is arranged on one side of the first support (2), the first support (2) and the second support (3) are inserted into the top of the bottom plate (1) through a plurality of grooves (17), a third support (6) is arranged at the top of the first support (2), a fourth support (8) is arranged at the top of the second support (3), the first support (2) is rotatably connected with the third support (6) through a first hinge (9), the second support (3) is rotatably connected with the fourth support (8) through a second hinge (19), and second track grooves (26) are formed in the first support (2) and the third support (6), first track groove (14) have all been seted up on second support (3) with on fourth support (8), third support (6) with be provided with between fourth support (8) and support cloth (7), one side of supporting cloth (7) is provided with a plurality of first connecting blocks (11), the opposite side of supporting cloth (7) is provided with a plurality of second connecting blocks (12), first connecting block (11) slidable mounting in the inboard of second track groove (26), second connecting block (12) slidable mounting in the inboard of first track groove (14), all seted up a plurality of pinholes (15) on first support (2), second support (3), third support (6) and fourth support (8).

2. A collapsible free-tipping backrest folding chair as claimed in claim 1, characterised in that said pin holes (15) are adapted to cooperate with fixing nails (16) to fix the position of said first connecting block (11) and said second connecting block (12).

3. A collapsible free-flipping backrest folding chair as claimed in claim 1, characterized in that fixing pins (13) for limiting the rotation of the third bracket (6) and the fourth bracket (8) are arranged between the first bracket (2) and the third bracket (6) and between the second bracket (3) and the fourth bracket (8).

4. A folding chair with detachable freely-turnable backrest as claimed in claim 1, characterized in that two connecting rods (10) are symmetrically arranged between said first bracket (2) and said second bracket (3).

5. The folding chair with detachable freely-turning backrest as claimed in claim 1, characterized in that a connecting seat (4) is arranged below the supporting cloth (7), and a backrest (5) is arranged at the inner side of the connecting seat (4).

6. A detachable folding chair with freely turnable backrest as claimed in claim 5, characterized in that said backrest (5) is rotatably mounted inside said connecting seat (4) by means of screws (24) and screw holes (25), and said backrest (5) is provided with a back cushion (23).

7. A collapsible folding chair with freely turnable backrest as claimed in claim 1, characterized in that a number of said grooves (17) are evenly distributed on said base plate (1).

8. A collapsible free-reversible backrest folding chair in accordance with claim 1, characterized in that the first bracket (2) and the second track groove (26) of the third bracket (6) are in communication with each other, and the second bracket (3) and the first track groove (14) of the fourth bracket (8) are in communication with each other.

9. A detachable folding chair with freely turnable backrest as claimed in claim 1, characterized in that the bottom of the base plate (1) is provided with a non-slip mat (18), the inside of the base plate (1) is provided with a support plate (22), and one end of the support plate (22) is provided with a baffle plate (20).

10. The folding chair with detachable freely-turnable backrest as claimed in claim 9, characterized in that the flap (20) is provided with a handle (21) located outside the base plate (1).