CN214963906U

CN214963906U - Adjustable kneeling and lying dual-purpose seat

Info

Publication number: CN214963906U
Application number: CN202121306739.7U
Authority: CN
Inventors: 陈渼珊; 吕九芳; 苏越
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-03
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of a kneeling seat, in particular to an adjustable kneeling and reclining seat, comprising a support frame, a fixed frame, a cushion, a linkage assembly, an adjustment assembly and a fine adjustment assembly. The top of the support frame is provided with a The mounting plate, the fixing frame is arranged on the supporting frame, the seat cushion is arranged on the top of the mounting plate, the linkage assembly is arranged between the supporting frame and the fixing frame, the adjusting assembly is arranged on one side of the fixing frame, and the fine-tuning assembly is arranged on the side of the fixing frame. On one side of the linkage assembly, the utility model can adjust the angle of the cushion and the leg support plate under the action of the adjustment assembly and the linkage assembly, and the seat can be adjusted to be suitable for the prone state, which is convenient for the user to rest and take a lunch break. , Under the action of the fine-tuning component, the angle of the leg support plate can be adjusted, so that the seat is suitable for the user to sit on knees, so as to reduce the pressure on the user's waist.

Description

Adjustable kneeling and lying dual-purpose seat

Technical Field

The utility model relates to a formula seat technical field kneels and sits, specifically is an adjustable dual-purpose seat of lying on one's knees.

Background

With the development of society, more and more people need to sit for a long time to work, however, long-term sitting can cause a series of problems due to improper spine caused by poor sitting posture, which causes great damage to spine, and easily causes humpback, myopia, poor blood circulation and even lumbar disc herniation.

In the prior art, the following problems exist:

(1) most of the prior kneeling chairs are fixed in angle, the angle cannot be adjusted, and a user cannot find a comfortable sitting posture.

(2) Most kneeling chair users need noon break, however, the existing kneeling chairs can not provide prone positions, and the users can not use one chair to realize two use scenes of work and rest.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable dual-purpose seat of lying on knees to solve the problem that provides among the above-mentioned background art.

The technical scheme of the utility model is that: an adjustable kneeling and lying dual-purpose seat, comprising:

the top of the support frame is provided with a mounting plate;

the fixing frame is arranged above the supporting frame;

the cushion is arranged at the top of the mounting plate;

the linkage assembly is arranged between the support frame and the fixed frame;

the adjusting assembly is arranged on one side of the fixing frame;

the fine adjustment component is arranged on one side of the linkage component;

wherein, the linkage subassembly is including cushion, leg bracket, two sets of drive plates, two sets of catch plates and two sets of connecting plates, the cushion sets up in one side of mount, the one end of cushion is passed through with the one end of cushion the connecting plate is articulated, two lateral walls of cushion with the both sides of mount are articulated through two sets of drive plates respectively, the top of leg bracket with the end of mount is articulated, and is two sets of the catch plate sets up the both sides at the cushion respectively, the cushion is through two sets of the both sides of catch plate and leg bracket are articulated.

Preferably, two sets of spacing grooves have been seted up at the top of mounting panel, the bottom of cushion is provided with two sets of and two sets of spacing groove sliding fit's sliding block.

Preferably, the adjusting part is including mounting box, fixed rack, slip rack, gear, dwang and carousel, the vertical one side that sets up at the carriage top of mounting box, the vertical bottom that sets up the mounting box inner wall of fixed rack, the top cover of slip rack is established in one side of mount, and slip rack and mount sliding fit on the horizontal direction, the bottom of slip rack extends to the inside of mounting box, and slip rack and mounting box sliding fit on the vertical direction.

Preferably, the dwang sets up on the lateral wall of mounting box, just the dwang with the mounting box rotates to be connected, the gear cover is established on the dwang, and the rack that slides all meshes with the gear with fixed rack, the carousel sets up one side of cushion is kept away from to the dwang.

Preferably, the adjusting part is still including hexagon nut and fixed block, the one side that the carousel was kept away from to the dwang is established to the hexagon nut cover, the fixed block sets up on the lateral wall of mounting box, seted up on the fixed block with hexagon nut joint complex hexagonal groove.

Preferably, the fine setting subassembly is including axis of rotation, dead lever, two sets of leg layer boards and two sets of spacing parts, the axis of rotation sets up on the leg bracket, and is two sets of leg layer board interval sets up in the axis of rotation, and is two sets of the leg layer board all rotates with the axis of rotation to be connected, the dead lever sets up the top of axis of rotation, dead lever and leg bracket fixed connection, the bottom of two sets of leg layer boards all seted up with dead lever joint complex draw-in groove, every group spacing part all sets up on the lateral wall of a set of leg layer board.

Preferably, every group spacing part all includes swivel becket, poker rod, spring, fixed column and multiunit fixture block, the swivel becket sets up on the lateral wall of leg layer board, the multiunit the fixture block evenly sets up the one side of keeping away from the leg layer board at the swivel becket along the circumferencial direction of swivel becket, the fixed column sets up on the lateral wall of leg layer board, and the end of fixed column with the middle part of poker rod is articulated, the spring sets up the one side that is close to the fixed column at the leg layer board, the terminal of spring and the terminal fixed connection of poker rod, the poker rod keep away from the one end of spring with the fixture block joint cooperation.

Preferably, two groups of soft hand supports are arranged at the top of the fixing frame at intervals.

The utility model discloses an improvement provides an adjustable dual-purpose seat of lying on knees here, compares with prior art, has following improvement and advantage:

one is as follows: the utility model can adjust the angle of the back cushion and the leg supporting plate under the action of the adjusting component and the linkage component, and can adjust the chair to be suitable for the prone position, so that the user can have a rest for noon break, concretely, the user rotates the turntable which drives the gear on the rotating rod to rotate, because the sliding rack and the fixed rack are both meshed with the gear, and the fixed gear is fixedly arranged at the bottom of the inner wall of the mounting box, when the gear rotates, the sliding rack can move along the vertical direction, because the sliding rack is in sliding fit with the fixing rack in the horizontal direction, the distance between the fixing rack and the supporting frame can be changed, when the distance between the fixing rack and the supporting frame is reduced, the cushion can move towards the leg supporting plate under the action of the driving plate, along with the movement of the cushion, the pushing plate can push the leg bracket along with the pushing plate, so that the angle of the whole chair becomes larger, the person of being convenient for lies prostrate the rest, when adjusting to suitable angle, the user promotes the carousel inwards for hexagon nut and hexagonal groove joint, gear stall, thereby fixed with the angle of seat.

The second step is as follows: the utility model discloses under the effect of fine setting subassembly, can adjust the angle of leg layer board for this seat is fit for the user and kneels and sits, in order to alleviate the pressure that user's waist received, and is concrete, and the user presses the poker rod, later adjusts the leg layer board to the horizontality, loosens the poker rod afterwards, upwards rotates the suitable position with the leg layer board, and the poker rod is under the effect of spring, with the cooperation of the fixture block joint on the swivel becket, carries out one-way spacing with the angle of leg layer board, supports user's shank.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic cross-sectional view of the three-dimensional structure of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a partial sectional view of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is an enlarged view at C in fig. 4.

Description of reference numerals: 1. a support frame; 2. a cushion; 3. an adjustment assembly; 4. a fixed mount; 5. a linkage assembly; 6. a limiting component; 7. a fine tuning component; 8. mounting a plate; 11. back cushion; 12. a drive plate; 13. a connecting plate; 14. a push plate; 15. a leg bracket; 16. a sliding rack; 17. fixing a rack; 18. a gear; 19. rotating the rod; 20. a turntable; 21. mounting a box; 22. a soft hand support; 23. a leg rest; 24. a rotating shaft; 25. a hexagonal nut; 26. a fixed block; 27. a hexagonal groove; 28. a rotating ring; 29. a clamping block; 30. fixing a column; 31. a spring; 32. a poke rod; 33. a limiting groove; 34. and a slider.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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 utility model discloses an improvement provides an adjustable dual-purpose seat of lying on one's knees here, the technical scheme of the utility model is:

the first embodiment is as follows:

as shown in fig. 1-6, an adjustable kneeling and lying dual-purpose seat comprises:

the device comprises a support frame 1, wherein a mounting plate 8 is arranged at the top of the support frame 1;

the fixing frame 4 is arranged above the supporting frame 1;

the cushion 2 is arranged on the top of the mounting plate 8;

the linkage assembly 5 is arranged between the support frame 1 and the fixed frame 4;

the adjusting component 3 is arranged on one side of the fixing frame 4;

the fine adjustment component 7 is arranged on one side of the linkage component 5;

the linkage assembly 5 comprises a back cushion 11, a leg bracket 15, two groups of driving plates 12, two groups of pushing plates 14 and two groups of connecting plates 13, wherein the back cushion 11 is arranged on one side of a fixed frame 4, one end of the back cushion 11 is hinged with one end of a seat cushion 2 through the connecting plates 13, two side walls of the seat cushion 2 are respectively hinged with two sides of the fixed frame 4 through the two groups of driving plates 12, the top of the leg bracket 15 is hinged with the tail end of the fixed frame 4, the two groups of pushing plates 14 are respectively arranged on two sides of the seat cushion 2, and the seat cushion 2 is hinged with two sides of the leg bracket 15 through the two groups of pushing plates 14; when the fixed frame 4 is under the effect of the adjusting component, and when the distance between the fixed frame 4 and the supporting frame 1 is reduced, the cushion 2 will move towards the leg supporting plate 23 under the effect of the driving plate 12, and along with the movement of the cushion 2, the pushing plate 14 will push the leg bracket 15, so that the whole angle of the seat becomes larger.

Specifically, two sets of limiting grooves 33 are formed in the top of the mounting plate 8, and two sets of sliding blocks 34 in sliding fit with the two sets of limiting grooves 33 are arranged at the bottom of the seat cushion 2; the cushion 2 is in sliding fit with the two sets of limiting grooves 33 through the two sets of sliding blocks 34, and the movement of the cushion 2 is limited.

Specifically, the adjusting assembly 3 comprises a mounting box 21, a fixed rack 17, a sliding rack 16, a gear 18, a rotating rod 19 and a turntable 20, wherein the mounting box 21 is vertically arranged on one side of the top of the support frame 1, the fixed rack 17 is vertically arranged on the bottom of the inner wall of the mounting box 21, the top of the sliding rack 16 is sleeved on one side of the fixed frame 4, the sliding rack 16 is in sliding fit with the fixed frame 4 in the horizontal direction, the bottom of the sliding rack 16 extends into the mounting box 21, and the sliding rack 16 is in sliding fit with the mounting box 21 in the vertical direction; the gear 18 is used to drive the sliding rack 16.

Specifically, the rotating rod 19 is arranged on the side wall of the mounting box 21, the rotating rod 19 is rotatably connected with the mounting box 21, the gear 18 is sleeved on the rotating rod 19, the sliding rack 16 and the fixed rack 17 are both meshed with the gear 18, and the turntable 20 is arranged on one side of the rotating rod 19, which is far away from the cushion 2; the user rotates carousel 20, carousel 20 drives the gear 18 rotation on the dwang 19, because sliding rack 16 all meshes with gear 18 with fixed rack 17, and fixed rack 18 fixed mounting is in the bottom of mounting box 21 inner wall, when gear 18 rotates, sliding rack 16 can move along vertical direction, because sliding rack 16 and mount 4 are sliding fit on the horizontal direction, mount 4 can change with the interval of support frame 1, when mount 4 reduces with the interval of support frame 1, cushion 2 can move to the direction of leg layer board 23 under the effect of drive plate, along with the motion of cushion 2, push plate 14 also can promote leg bracket 15 thereupon, make the holistic angle grow of this seat, the person of facilitating the use lies prostrate has a rest.

Specifically, the adjusting assembly 3 further comprises a hexagon nut 25 and a fixing block 26, the hexagon nut 25 is sleeved on one side of the rotating rod 19, which is far away from the rotating disc 20, the fixing block 26 is arranged on the side wall of the mounting box 21, and a hexagon groove 27 which is in clamping fit with the hexagon nut 25 is formed in the fixing block 26; when the chair is adjusted to a proper angle, the user pushes the rotary disc 20 inwards, so that the hexagonal nut 25 is clamped with the hexagonal groove 27, the gear 18 stops rotating, and the angle of the chair is fixed.

Specifically, the fine adjustment assembly 7 comprises a rotating shaft 24, a fixing rod 35, two sets of leg supporting plates 23 and two sets of limiting parts 6, wherein the rotating shaft 24 is arranged on the leg bracket 15, the two sets of leg supporting plates 23 are arranged on the rotating shaft 24 at intervals, the two sets of leg supporting plates 23 are both rotatably connected with the rotating shaft 24, the fixing rod 35 is arranged above the rotating shaft 24, the fixing rod 35 is fixedly connected with the leg bracket 15, clamping grooves 36 which are in clamping fit with the fixing rod 35 are formed in the bottoms of the two sets of leg supporting plates 23, and each set of limiting parts 6 is arranged on the side wall of one set of leg supporting plates 23; the user supports the user's legs by rotating the angle of the leg rest 23.

Specifically, each group of limiting components 6 comprises a rotating ring 28, a poking rod 32, a spring 31, a fixing column 30 and a plurality of groups of fixture blocks 29, wherein the rotating ring 28 is arranged on the side wall of the leg support plate 23, the plurality of groups of fixture blocks 29 are uniformly arranged on one side of the rotating ring 28 far away from the leg support plate 23 along the circumferential direction of the rotating ring 28, the fixing column 30 is arranged on the side wall of the leg support plate 23, the tail end of the fixing column 30 is hinged with the middle part of the poking rod 32, the spring 31 is arranged on one side of the leg support plate 23 close to the fixing column 30, the tail end of the spring 31 is fixedly connected with the tail end of the poking rod 32, and one end of the poking rod 32 far away from the spring 31 is in clamping fit with the fixture blocks 29; the user presses the poker rod 32, later adjusts leg layer board 23 to the horizontality, later loosens the poker rod 32, upwards rotates leg layer board 23 to the suitable position, poker rod 32 under the effect of spring 31, with the cooperation of fixture block 29 joint on the rotating ring 28, carries out one-way spacing with leg layer board 23's angle, supports user's shank.

Specifically, two groups of soft hand supports 22 are arranged at the top of the fixing frame 4 at intervals; the soft hand rest 22 is used for supporting the elbow of the user.

The working principle is as follows: the user rotates the rotary table 20, the rotary table 20 drives the gear 18 on the rotating rod 19 to rotate, because the sliding rack 16 and the fixed rack 17 are both meshed with the gear 18, and the fixed gear 18 is fixedly installed at the bottom of the inner wall of the installation box 21, when the gear 18 rotates, the sliding rack 16 can move along the vertical direction, because the sliding rack 16 is in sliding fit with the fixed frame 4 in the horizontal direction, the distance between the fixed frame 4 and the support frame 1 can be changed, when the distance between the fixed frame 4 and the support frame 1 is reduced, the cushion 2 can move towards the leg supporting plate 23 under the action of the driving plate 12, along with the movement of the cushion 2, the pushing plate 14 can push the leg bracket 15 accordingly, so that the integral angle of the chair becomes larger, the user can take a rest in the prone position, when the proper angle is adjusted, the user pushes the rotary table 20 inwards, so that the hexagon nut 25 is clamped with the hexagon groove 27, the gear 18 stops rotating, thereby fixing the angle of the seat.

The user presses the poker rod 32, later adjusts leg layer board 23 to the horizontality, later loosens the poker rod 32, upwards rotates leg layer board 23 to the suitable position, poker rod 32 under the effect of spring 31, with the cooperation of fixture block 29 joint on the rotating ring 28, carries out one-way spacing with leg layer board 23's angle, supports user's shank.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. an adjustable kneeling dual-purpose seat, is characterized in that, comprises:

a support frame (1), a mounting plate (8) is provided on the top of the support frame (1);

a fixing frame (4), the fixing frame (4) is arranged above the support frame (1);

a seat cushion (2), the seat cushion (2) is arranged on the top of the mounting plate (8);

a linkage assembly (5), the linkage assembly (5) is arranged between the support frame (1) and the fixing frame (4);

an adjusting assembly (3), the adjusting assembly (3) is arranged on one side of the fixing frame (4);

a fine adjustment assembly (7), the fine adjustment assembly (7) is arranged on one side of the linkage assembly (5);

Wherein, the linkage assembly (5) includes a back cushion (11), a leg bracket (15), two groups of drive plates (12), two groups of push plates (14) and two groups of connection plates (13). The back cushion (11) ) is arranged on one side of the fixing frame (4), one end of the back cushion (11) is hinged with one end of the seat cushion (2) through the connecting plate (13), and the two cut side walls of the seat cushion (2) are connected to the The two sides of the fixing frame (4) are hinged by two sets of driving plates (12) respectively, the top of the leg bracket (15) is hinged with the end of the fixing frame (4), and the two sets of the pushing plates (14) are hinged. ) are respectively arranged on both sides of the seat cushion (2), and the seat cushion (2) is hinged with both sides of the leg bracket (15) through the two sets of the pushing plates (14).

2. An adjustable kneeling-reclining seat according to claim 1, characterized in that: the top of the mounting plate (8) is provided with two sets of limiting grooves (33), and the seat cushion (2) There are two sets of sliding blocks (34) slidingly matched with the two sets of limit grooves (33) at the bottom of the device.

3. An adjustable kneeling-reclining seat according to claim 1, characterized in that: the adjustment assembly (3) comprises a mounting box (21), a fixed rack (17), a sliding rack ( 16), gear (18), rotating rod (19) and turntable (20), the installation box (21) is vertically arranged on one side of the top of the support frame (1), and the fixed rack (17) is vertical The bottom of the inner wall of the installation box (21) is arranged, the top of the sliding rack (16) is sleeved on one side of the fixing frame (4), and the sliding rack (16) and the fixing frame (4) slide in the horizontal direction In cooperation, the bottom of the sliding rack (16) extends to the inside of the installation box (21), and the sliding rack (16) is slidingly matched with the installation box (21) in the vertical direction.

4 . The adjustable kneeling-reclining seat according to claim 3 , wherein the rotating rod ( 19 ) is arranged on the side wall of the installation box ( 21 ), and the rotating rod ( 19 ) is arranged on the side wall of the installation box ( 21 ). ) is rotatably connected to the installation box (21), the gear (18) is sleeved on the rotating rod (19), the sliding rack (16) and the fixed rack (17) are meshed with the gear (18), so The turntable (20) is arranged on the side of the rotation rod (19) away from the seat cushion (2).

5. An adjustable kneeling-reclining seat according to claim 4, characterized in that: the adjustment assembly (3) further comprises a hexagonal nut (25) and a fixing block (26), the hexagonal nut (26) (25) is sleeved on the side of the rotating rod (19) away from the turntable (20). The fixing block (26) is arranged on the side wall of the installation box (21). The hexagonal nut (25) snaps into the matching hexagonal groove (27).

6 . The adjustable kneeling-reclining seat according to claim 5 , wherein the fine adjustment assembly ( 7 ) comprises a rotating shaft ( 24 ), a fixing rod ( 35 ), and two sets of leg support plates. 7 . (23) and two sets of limiting components (6), the rotating shafts (24) are arranged on the leg brackets (15), and the two sets of the leg brackets (23) are arranged on the rotating shafts (24) at intervals, The two sets of the leg support plates (23) are rotatably connected with the rotating shaft (24), the fixing rod (35) is arranged above the rotating shaft (24), and the fixing rod (35) is connected to the leg bracket (15). ) is fixedly connected, the bottoms of the two sets of leg support plates (23) are provided with card slots (36) that are snap-fitted with the fixing rods (35), and each set of said limiting components (6) is arranged on a set of leg rests on the side wall of the plate (23).

7. An adjustable kneeling-reclining seat according to claim 6, characterized in that: each set of said limiting components (6) comprises a rotating ring (28), a toggle lever (32), A spring (31), a fixing column (30) and multiple sets of clamping blocks (29), the rotating ring (28) is arranged on the side wall of the leg support plate (23), and the multiple sets of the clamping blocks (29) are arranged along the The circumferential direction of the rotating ring (28) is evenly arranged on the side of the rotating ring (28) away from the leg rest plate (23), the fixing column (30) is arranged on the side wall of the leg rest plate (23), and the fixing column The end of (30) is hinged with the middle part of the toggle lever (32). The end is fixedly connected with the end of the toggle lever (32), and the end of the toggle lever (32) away from the spring (31) is snap-fitted with the clamping block (29).

8 . The adjustable kneeling-reclining seat according to claim 7 , wherein two sets of soft hand rests ( 22 ) are arranged at intervals on the top of the fixing frame ( 4 ). 9 .