CN219438911U

CN219438911U - Folding chair

Info

Publication number: CN219438911U
Application number: CN202223596073.0U
Authority: CN
Inventors: 王吉本
Original assignee: Zhongshan Jiale Rehabilitation Medical Equipment Co ltd
Current assignee: Zhongshan Jiale Rehabilitation Medical Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-08-01
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a folding chair, which comprises a bottom supporting frame, wherein the bottom supporting frame comprises a front leg frame, a rear leg is rotatably connected on the front leg frame around a first axis A, a seat assembly is arranged between the front leg frame and the rear leg, the seat assembly comprises a seat plate, the rear end of the seat plate is rotatably connected on the rear leg around a second axis B, the front end of the seat plate is connected on the front leg frame when the seat assembly is in an unfolding state, the seat assembly further comprises a linkage part which is rotatably connected between the front leg frame and the seat plate and can move along when the seat plate is folded and enables the front leg frame and the rear leg to be close to each other, the front end of the linkage part is rotatably connected on the front leg frame around a third axis C, the rear end of the linkage part is rotatably connected on the seat plate around a fourth axis D, and a backrest assembly is also connected on the bottom supporting frame or the seat assembly. The utility model aims to overcome the defects of the prior art and provide the folding chair which is convenient to fold and has small volume after being folded.

Description

Folding chair

[ field of technology ]

The utility model relates to a folding chair.

[ background Art ]

The bath chair is a chair which enables a user to sit for bathing, the user group is mainly old people with relatively large ages or weak patients, most of the existing bath chairs are fixedly placed after being spliced and installed, and the chair cannot be folded and stored, so that the chair occupies a large space of a bath room or a toilet and is not convenient to store.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the folding chair which is convenient to fold and has small volume after being folded.

The utility model is realized by the following technical scheme:

the utility model provides a folding chair, can move to folding state from the expansion state, including the bottom sprag frame 1 that can expand or fold, bottom sprag frame 1 include preceding leg frame 11, preceding leg frame 11 on be connected with back leg 12 around first axis A rotation, preceding leg frame 11 and back leg 12 between be equipped with the seat subassembly 2 that follows bottom sprag frame 1 and expand or fold when bottom sprag frame 1 expands or fold, seat subassembly 2 include the rear end around second axis B rotation connect the seat board 21 on back leg 12, and when seat subassembly 2 is in the expansion state the front end of seat board 21 connect on preceding leg frame 11, seat subassembly 2 still include and rotate and connect and link piece 22 that is connected between preceding leg frame 11 and seat board 21 and can follow the removal and make preceding leg frame 11 and back leg 12 draw close to each other when seat board 21 fold, piece 22 front end rotate around third axis C and connect on preceding leg frame 11, piece 22 rear end rotate around fourth axis D and connect on seat subassembly 1 or seat back rest assembly 3.

The front leg frame 11 is provided with a transverse rod 111 which is transversely arranged, the front end of the seat plate 21 is detachably connected to the transverse rod 111 when the seat assembly 2 is in a unfolded state, the linkage piece 22 is a linkage rod, and the front side of the linkage piece 22 is rotatably connected to the transverse rod 111.

The front side of the linkage piece 22 is provided with a containing groove 221 capable of containing the cross rod 111, the linkage piece 22 is provided with a deformable clamping mouth 222 positioned at the containing groove 221, and the clamping mouth 222 is provided with a clamping mouth 223 which can be communicated with the containing groove 221 and can be used for the cross rod 111 to pass through when the clamping mouth 222 deforms and expands or can prevent the cross rod 111 from separating when the clamping mouth 222 deforms and contracts.

The seat plate 21 is provided with a clamping groove 211 which can be used for clamping the cross bar 111 when the seat assembly 2 is in the unfolded state.

The underside of the seat plate 21 is also provided with a yielding groove 212 which can yield for the linkage 22.

The seat plate 21 is also provided with a non-slip mat 4.

The bottoms of the front leg frame 11 and the rear leg 12 are respectively provided with a sucker 6, and a plurality of concentric annular grooves 61 which are arranged at intervals are arranged on the sucker 6.

The backrest component 3 is connected to the bottom support frame 1 in a telescopic way, and an adjusting structure 5 capable of adjusting the front position and the rear position of the backrest component 3 and the bottom support frame 1 is further arranged between the backrest component and the bottom support frame 1.

The backrest assembly 3 comprises a backrest plate 31 and a connecting rod 32 connected to the backrest plate 31, the connecting rod 32 is slidably connected to the front leg frame 11, the adjusting structure 5 comprises a locking position 51 arranged on the front leg frame 11, a first elastic sheet 52 is arranged in the connecting rod 32, and a first elastic bean 521 which can be clamped in or separated from the locking position 51 is arranged on the first elastic sheet 52.

The front leg frame 11 includes the front leg seat 112 that doubles as the handrail, front leg seat 112 lower extreme be connected with front leg pole 113, horizontal pole 111 transversely connect on front leg pole 113, rear leg 12 rotate and connect on front leg seat 112, front leg pole 113 on be connected with the front bracing piece 114 that can slide rather than it, front bracing piece 114 and front leg pole 113 between be equipped with the first high adjusting part 115 that can slide rather than the relative front leg pole 113 height position of adjusting front bracing piece 114, first high adjusting part 115 including locating a plurality of first high adjusting part 1151 on the front bracing piece 114, front leg pole 113 in be equipped with second shell fragment 1152, second shell fragment 1152 on be equipped with the second bullet beans 1153 that can block into or break away from first high adjusting part 1151, rear leg 12 include rear leg pole 121, rear leg pole 121 on be connected with the back bracing piece 122 that can slide rather than it, rear leg 122 can slide rather than being equipped with the second back bracing piece 122, second leg 122 can be equipped with the second and adjust the position that can be equipped with the second and adjust more than the second top of the second spring fragment 1152, the back leg 122 can be equipped with the second and can be adjusted to the position of the second and can be adjusted to the third top of the back leg 122 and the second position of the back leg 122 is equipped with the second spring fragment 122.

Compared with the prior art, the utility model has the following advantages: when needing folding to place, lift up the seat board front end earlier, the seat board rear end just rotates around second axis B with the rear leg relatively this moment, just drive the rear end of linkage when the seat board front end upwards moves and upwards move and rotate around the relative seat board of fourth axis D, the front end of linkage rotates around the relative preceding leg frame of third axis C simultaneously, preceding leg frame and rear leg just are pulled and folding each other this moment, whole folding process is very smooth and easy, only need upwards promote the seat board front end rotate can, folding easy operation, the volume after folding is littleer moreover, be convenient for accomodate and place, it can to expand when the old man needs to bathe, it is more convenient to use.

[ description of the drawings ]

FIG. 1 is one of the perspective views of the folding chair of the present utility model;

FIG. 2 is a second perspective view of the folding chair of the present utility model;

FIG. 3 is a side view of the folding chair of the present utility model;

FIG. 4 is a perspective view of the folding chair of the present utility model with the back assembly folded;

FIG. 5 is a side view of the folding chair of the present utility model with the back assembly folded;

FIG. 6 is a state diagram of the folding chair of the present utility model during folding;

FIG. 7 is a perspective view of the folding chair of the present utility model during folding;

FIG. 8 is a cross-sectional view of an adjustment mechanism in the folding chair of the present utility model;

FIG. 9 is an enlarged view of area E of FIG. 8;

FIG. 10 is a cross-sectional view of a first height adjustment assembly in the folding chair of the present utility model;

FIG. 11 is a cross-sectional view of a second height adjustment assembly in the folding chair of the present utility model;

FIG. 12 is a perspective view of the folding chair of the present utility model as it is extended;

FIG. 13 is a side view of the folding chair of the present utility model as it is extended;

FIG. 14 is a perspective view of the suction cup of the folding chair of the present utility model;

figure 15 is an exploded view of the linkage and crossbar of the folding chair of the present utility model.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 15, the present utility model provides a folding chair capable of moving from an unfolded state to a folded state, characterized in that: the foldable bottom support frame 1 comprises a bottom support frame 1 which can be unfolded or folded, the bottom support frame 1 comprises a front leg frame 11, a rear leg 12 is rotatably connected on the front leg frame 11 around a first axis A, a seat assembly 2 which is unfolded or folded along with the bottom support frame 1 when the bottom support frame 1 is unfolded or folded is arranged between the front leg frame 11 and the rear leg 12, the seat assembly 2 comprises a seat plate 21 which is rotatably connected on the rear leg 12 around a second axis B at the rear end, the front end of the seat plate 21 is connected on the front leg frame 11 when the seat assembly 2 is in an unfolded state, the seat assembly 2 also comprises a linkage 22 which is rotatably connected between the front leg frame 11 and the seat plate 21 and can move along with the front leg frame 11 and the rear leg 12 when the seat plate 21 is folded, the front end of the linkage 22 is rotatably connected on the front leg frame 11 around a third axis C, the rear end of the linkage 22 is rotatably connected on the seat plate 21 around a fourth axis D, and the bottom support frame 1 or the seat assembly 2 is connected with a backrest 3.

When the folding and placing are needed, the front end of the seat plate 21 is lifted firstly, the rear end of the seat plate 21 rotates around the second axis B relative to the rear leg 12, the rear end of the linkage 22 is driven to move upwards and rotate around the fourth axis D relative to the seat plate 21 when the front end of the seat plate 21 moves upwards, meanwhile, the front end of the linkage 22 rotates around the third axis C relative to the front leg frame 11, the front leg frame 11 and the rear leg 12 are pulled to be close to each other and folded, the whole folding process is smooth, only the front end of the seat plate 21 is pushed upwards to rotate, the folding operation is simple, the folded volume is smaller, the folding and placing are convenient, the folding and placing are achieved when the old needs to be bathed, and the folding and placing are convenient to use.

The front leg frame 11 is provided with a transverse rod 111 which is transversely arranged, the front end of the seat plate 21 is detachably connected to the transverse rod 111 when the seat assembly 2 is in a unfolded state, the linkage piece 22 is a linkage rod, and the front side of the linkage piece 22 is rotatably connected to the transverse rod 111. The front end of the seat plate 21 rests against the cross bar 111 when the seat assembly 2 is in the unfolded state, and the support is more stable and safer.

As shown in fig. 15, the front side of the linkage 22 is provided with a receiving groove 221 capable of receiving the cross rod 111, the linkage 22 is provided with a deformable clamping mouth 222 located at the receiving groove 221, and the clamping mouth 222 is provided with a clamping mouth 223 capable of communicating with the receiving groove 221 and allowing the cross rod 111 to pass through when the clamping mouth 222 deforms and expands or preventing the cross rod 111 from separating when the clamping mouth 222 deforms and contracts. The linkage 22 is detachably connected to the cross bar 111 for easy installation, and the clamping mouth 222 is deformable for easy and quick installation.

As shown in fig. 7, the seat plate 21 is provided with a locking groove 211 into which the cross bar 111 can be locked when the seat assembly 2 is in the unfolded state. The clamping groove 211 not only can position the cross bar 111, but also can enable the seat plate 21 to be connected with the cross bar 111 more firmly.

As shown in fig. 7, the underside of the seat plate 21 is further provided with a yielding groove 212 capable of yielding to the linkage 22. The yielding groove 212 enables the linkage 22 to be positioned in the seat plate 21 when being unfolded, so that the volume of the folding chair is smaller, the distance between the linkage 22 and the seat plate 21 is smaller, and the folding is smoother.

As shown in fig. 1, the seat plate 21 is further provided with a non-slip mat 4. The anti-slip pad 4 can prevent the old from slipping during bathing.

As shown in fig. 14, suction cups 6 are arranged at the bottoms of the front leg frame 11 and the rear leg 12, and a plurality of concentric annular grooves 61 are arranged on the suction cups 6 at intervals. The suction cup 6 can enable the front leg frame 11 and the rear leg 12 to be grabbed on the floor, so that the folding chair is prevented from sliding, and meanwhile, the suction cup 6 can be grabbed more firmly due to the plurality of annular grooves 61 which are concentric and are arranged at intervals.

As shown in fig. 5, 6, 8 and 9, the backrest assembly 3 is telescopically connected to the bottom support frame 1, and an adjusting structure 5 capable of adjusting the front and rear positions of the backrest assembly 3 and the bottom support frame 1 is further provided between the backrest assembly 3 and the bottom support frame 1. The adjusting structure 5 is used for adjusting the distance between the backrest assembly 3 and the bottom supporting frame 1 so as to cope with the aged with different body types, and the aged can lie on the backrest assembly 3 at the same time, so that the backrest is more comfortable.

As shown in fig. 5, 6, 8 and 9, the backrest assembly 3 includes a backrest plate 31 and a connecting rod 32 connected to the backrest plate 31, the connecting rod 32 is slidably connected to the front leg frame 11, the adjusting structure 5 includes a locking position 51 provided on the front leg frame 11, a first elastic sheet 52 is provided on the connecting rod 32, and a first elastic bean 521 capable of being locked in or unlocked from the locking position 51 is provided on the first elastic sheet 52. The back board 31 is also provided with a back cushion 33, so that the elderly can feel more comfortable when lying on the back board.

When the backrest assembly 3 needs to be adjusted, the first elastic beans 521 on the first elastic piece 52 are pressed down, the first elastic beans 521 are separated from the locking position 51, the backrest assembly 3 can slide forwards relative to the front leg frame 11 to be folded, and the folding volume is smaller when the whole folding chair is folded. When the backrest assembly 3 is adjusted to the maximum gear, the first elastic bean 521 is continuously pressed down, and then the backrest assembly 3 is pulled back, at this time, the whole backrest assembly 3 can be detached from the front leg frame 11, and the backrest assembly is convenient for a manufacturer to pack.

As shown in fig. 10, 12 and 13, the front leg frame 11 includes a front leg seat 112 serving as an armrest, a front leg rod 113 is connected to the lower end of the front leg seat 112, the cross rod 111 is transversely connected to the front leg rod 113, the rear leg 12 is rotatably connected to the front leg seat 112, the front leg rod 113 is connected to a front support rod 114 capable of sliding relative to the front leg rod, a first height adjusting assembly 115 capable of sliding relative to the front support rod 114 and adjusting the height position of the front support rod 114 relative to the front leg rod 113 is provided between the front support rod 114 and the front leg rod 113, the first height adjusting assembly 115 includes a plurality of first height adjusting positions 1151 provided on the front support rod 114, a second elastic sheet 1152 is provided in the front leg rod 113, and the second elastic sheet 1152 is provided with a second elastic bean 1153 capable of being clamped into or separated from the first height adjusting positions 1151. The front leg seat 112 can be used as a handrail, and the old can put the hands on the handrail when bathing, so that the use is more convenient. And also

When the height of the front supporting rod 114 relative to the front leg rod 113 needs to be adjusted, the second elastic beans 1153 are pressed down, the second elastic beans 1153 are separated from the first height adjusting position 1151, the front supporting rod 114 can be pulled downwards or slid upwards at the moment, when the height is adjusted to be in place, the second elastic beans 1153 are clamped into the corresponding first height adjusting positions 1151, the front supporting rod 114 and the front leg rod 113 are locked again, and the height position of the front supporting rod 114 relative to the front leg rod 113 can be adjusted, so that the height of the front supporting rod 114 is suitable for old people with different heights.

As shown in fig. 11, 12 and 13, the rear leg 12 includes a rear leg rod 121, the rear leg rod 121 is connected with a rear support rod 122 capable of sliding relative to the rear leg rod 121, a second height adjusting assembly 123 capable of adjusting the height position of the rear support rod 122 relative to the rear leg rod 121 is arranged between the rear support rod 122 and the rear leg rod 121, the second height adjusting assembly 123 includes a plurality of second adjusting positions 1231 arranged on the rear support rod 122, a third elastic piece 1232 is arranged in the rear leg rod 121, and a third elastic bean 1233 capable of being clamped into or separated from the second adjusting positions 1231 is arranged on the third elastic piece 1232.

When the height of the rear supporting rod 122 relative to the rear leg rod 121 needs to be adjusted, the third elastic bean 1233 is pressed down, the third elastic bean 1233 is separated from the second adjusting position 1231, the rear supporting rod 122 can be pulled downwards or slid upwards at the moment, when the height is adjusted to be in place, the third elastic bean 1233 is clamped into the corresponding second adjusting position 1231, the rear supporting rod 122 and the rear leg rod 121 are locked again, and the height position of the supporting rod 122 relative to the rear leg rod 121 can be adjusted, so that the height of the rear supporting rod 122 is suitable for old people with different heights.

Claims

1. A folding chair capable of moving from an unfolded state to a folded state, characterized in that: comprises a bottom supporting frame (1) which can be unfolded or folded, the bottom supporting frame (1) comprises a front leg frame (11), a rear leg (12) is rotatably connected on the front leg frame (11) around a first axis (A), a seat assembly (2) which can follow the bottom supporting frame (1) to be unfolded or folded when the bottom supporting frame (1) is unfolded or folded is arranged between the front leg frame (11) and the rear leg (12), the seat assembly (2) comprises a seat plate (21) with the rear end rotatably connected on the rear leg (12) around a second axis (B), the front end of the seat plate (21) is connected on the front leg frame (11) when the seat assembly (2) is in an unfolded state, the seat assembly (2) also comprises a linkage (22) which is rotatably connected between the front leg frame (11) and the seat plate (21) and can move along with the seat plate (21) when the seat plate (21) is folded, the linkage (22) can move along the front leg frame (11) and the rear leg (12) along with each other, the front end of the linkage (22) is rotatably connected on the front leg (21) around the fourth axis (21) around the first axis (D), the bottom support frame (1) or the seat component (2) is also connected with a backrest component (3).

2. The folding chair as in claim 1, wherein: the front leg frame (11) on be equipped with horizontal pole (111) that transversely set up, and the front end detachably of seat board (21) is connected on horizontal pole (111) when seat subassembly (2) are in the state of expanding, link (22) be the gangbar, link (22) front side rotate connect on horizontal pole (111).

3. The folding chair as in claim 2, wherein: the front side of the linkage piece (22) is provided with a containing groove (221) capable of containing the cross rod (111), the linkage piece (22) is provided with a clamping mouth (222) capable of deforming at the containing groove (221), and the clamping mouth (222) is provided with a clamping mouth (223) capable of communicating with the containing groove (221) and preventing the cross rod (111) from separating when the clamping mouth (222) deforms and expands or the cross rod (111) deforms and contracts.

4. The folding chair as in claim 2, wherein: the seat plate (21) is provided with a clamping groove (211) which can be used for clamping the cross rod (111) when the seat assembly (2) is in a unfolding state.

5. The folding chair as claimed in claim 2 or 3 or 4, wherein: the lower side of the seat plate (21) is also provided with a yielding groove (212) which can yield for the linkage piece (22).

6. The folding chair as in claim 1, wherein: the seat plate (21) is also provided with an anti-slip pad (4).

7. The folding chair as in claim 1, wherein: the bottoms of the front leg frame (11) and the rear leg frame (12) are respectively provided with a sucker (6), and a plurality of concentric annular grooves (61) which are arranged at intervals are arranged on the sucker (6).

8. The folding chair as in claim 1, wherein: the backrest component (3) is connected to the bottom support frame (1) in a telescopic way, and an adjusting structure (5) capable of adjusting the front position and the rear position of the backrest component (3) and the bottom support frame (1) is further arranged between the backrest component and the bottom support frame.

9. The folding chair as in claim 8, wherein: the backrest assembly (3) comprises a backrest plate (31) and a connecting rod (32) connected to the backrest plate (31), the connecting rod (32) is slidably connected to the front leg frame (11), the adjusting structure (5) comprises a locking position (51) arranged on the front leg frame (11), a first elastic sheet (52) is arranged in the connecting rod (32), and a first elastic bean (521) capable of being clamped in or separated from the locking position (51) is arranged on the first elastic sheet (52).

10. The folding chair as in claim 2, wherein: the front leg frame (11) comprises a front leg seat (112) which is also used as an armrest, the lower end of the front leg seat (112) is connected with a front leg rod (113), the cross rod (111) is transversely connected to the front leg rod (113), the rear leg (12) is rotationally connected to the front leg seat (112), the front leg rod (113) is connected with a front supporting rod (114) which can slide relatively to the front leg rod (113), a first height adjusting component (115) which can slide relatively to the front supporting rod (114) to adjust the height position of the front leg rod (113), the first height adjusting component (115) comprises a plurality of first height adjusting positions (1151) which are arranged on the front supporting rod (114), a second elastic piece (1152) is arranged in the front leg rod (113), a second elastic piece (1152) which can be clamped into or separated from the front leg rod (114) is connected to the front leg rod, a second leg (1153) which can slide relatively to the rear leg rod (121) is arranged between the rear leg rod (121) and the rear leg (121), the rear leg (121) can be connected to the rear leg rod (121), the second height adjusting assembly (123) comprises a plurality of second adjusting positions (1231) arranged on the rear supporting rod (122), a third elastic piece (1232) is arranged in the rear leg rod (121), and a third elastic bean (1233) capable of being clamped into or separated from the second adjusting positions (1231) is arranged on the third elastic piece (1232).