CN222929467U

CN222929467U - Office chair capable of adjusting multiple sitting postures

Info

Publication number: CN222929467U
Application number: CN202421516690.1U
Authority: CN
Inventors: 张朱军
Original assignee: Saidong Anji Furniture Co ltd
Current assignee: Saidong Anji Furniture Co ltd
Priority date: 2024-06-29
Filing date: 2024-06-29
Publication date: 2025-06-03
Anticipated expiration: 2034-06-29

Abstract

The utility model discloses an office chair with multiple adjustable sitting positions, wherein the seat cushion is arranged on a chassis, the upper end of a lifting gas rod is connected to the chassis, the footrest is connected to a rotating seat, the rotating seat is sleeved with the lifting gas rod, the supporting foot is connected to the lower end of the lifting gas rod, the backrest body is connected to a keel, the keel is connected to the chassis, and the lifting and lowering movement of the backrest body can be controlled by a lifting button. The footrest can be adjusted relative to the rotating seat by sliding a sliding groove as a track to adjust the distance between the footrest and the seat cushion by rotating the adjusting hand wheel to a tightening state, and the position relationship between the footrest and the seat cushion is fixed, and the footrest is connected to a supporting leg. The utility model realizes that the distance between the footrest and the seat cushion can be adjusted by sliding the footrest relative to the rotating seat with a sliding groove as a track and fixing it by rotating the adjusting hand wheel, so that when the footrest is close to the seat cushion, the user can also effectively support the calf when kneeling, thereby solving the problem that the existing chair cannot provide effective support for the calf when the user kneels.

Description

Office chair capable of adjusting multiple sitting postures

Technical Field

The utility model relates to the field of seats, in particular to an office chair capable of adjusting multiple sitting postures.

Background

The existing office chair has various forms because of various sitting postures, wherein one chair is to be provided with a foot rest in front of the lower part of a cushion for satisfying the sitting postures of squatting and leg coiling of a user, for example, patent document CN218355230U discloses an office chair with adjustable height and suitable for various sitting postures, the foot rest can rotate by 360 degrees through the foot rest installed on the outer wall of an air rod, different sitting postures can be satisfied, for example, the foot rest is rotated to the front part of a seat board, leg coiling and sitting can be performed at the moment, leg coiling and stacking are normally performed on the foot rest on the seat board, squatting and sitting can be performed, the direct sole is attached to the foot rest and the hip is contacted with the seat board, and the use requirement of different sitting postures is satisfied. But the distance between the foot pad and the seat board of the proposal is not adjustable, which is inconvenient for users with different heights to adjust the chair state suitable for themselves. At the same time kneeling is also a popular sitting posture, but the footpad of the office chair solution provided by this solution does not provide effective support for the lower legs while the user is kneeling.

Disclosure of utility model

The utility model discloses an office chair with adjustable sitting postures, wherein a seat cushion is arranged on a chassis, the upper end of a lifting air rod is connected with the chassis, a foot rest is connected with a rotating seat, the rotating seat is sleeved with the lifting air rod, a supporting leg is connected with the lower end of the lifting air rod, a backrest main body is connected with a keel, the keel is connected with the chassis, and the backrest main body can control lifting movement through a lifting button. The rotary adjusting hand wheel is rotated to a relaxed state, the footrest can slide and adjust the distance between the footrest and the seat cushion by taking the first sliding groove as a track relative to the rotary seat, the rotary adjusting hand wheel is rotated to a tight state, the footrest is fixed in position relation with the seat cushion, and the footrest is connected with the supporting legs. According to the technical scheme that the distance between the foot rest and the seat cushion can be adjusted by sliding the foot rest relative to the rotating seat by taking the first sliding groove as a track and fixing the foot rest and the seat cushion by rotating the adjusting hand wheel, the distance between the foot rest and the seat cushion can be adjusted, so that a user kneels when the foot rest is close to the seat cushion, the lower leg can be effectively supported, and the problem that the conventional seat cannot effectively support the lower leg when the user kneels is solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

An office chair capable of adjusting multiple sitting postures comprises a seat cushion, a chassis, a lifting air rod, a foot rest pad, supporting feet and a backrest main body, wherein the seat cushion is arranged on the chassis, the upper end of the lifting air rod is connected with the chassis, the foot rest pad is sleeved with the lifting air rod, the supporting feet are connected with the lower end of the lifting air rod, the backrest main body is connected with the chassis, the foot rest pad is connected with a rotating seat, a screw rod hole and a screw hole are formed in the foot rest pad, a sliding groove I and a sliding groove II are formed in the rotating seat, a limit post is arranged in the sliding groove II, the foot rest pad and the rotating seat sequentially penetrate through a rubber gasket and the limit post and are connected with the screw hole II through a screw II in a threaded manner, the screw rod hole is in threaded manner with an adjusting screw rod of an adjusting hand wheel, the adjusting screw rod penetrates through the rubber gasket and the sliding groove I before being in threaded manner with the screw rod hole, the foot rest pad in a relaxed state can slide and adjust the distance between the foot rest pad and the seat cushion by taking the sliding groove I as a track, the rotating adjusting hand wheel to a rotating state to be fixed in position relation with the seat cushion, and the foot rest pad is connected with supporting legs.

Further set up, the back main part is connected with the chassis through fossil fragments, and back main part and fossil fragments can be relative lift activity, and this lift activity is through lift button control.

The lifting button is arranged in a button groove of the backrest main body, a limiting groove and a lifting boss are arranged in the keel, and the lifting button is provided with the limiting boss and the lifting groove.

Further set up, be provided with compression spring between lifting button and the button groove, lifting button passes behind the fossil fragments and is fixed with the back main part through screw one, is provided with the gasket between screw one and the back main part, and screw one outside is provided with the cap.

Further, when the lifting button is pressed down to enable the lifting groove to enter the cross section range of the keel, the lifting groove can penetrate through the lifting boss to enable the backrest main body and the keel to relatively lift and move, and when the lifting button is released to enable the compression spring to apply pressure to the lifting button until the limiting boss enters the cross section range of the keel, the limiting boss is limited in the limiting groove which is stopped at the moment, so that the position relation between the backrest main body and the keel is kept relatively fixed.

Further set up, the lower extreme and the truckle of stabilizer blade are connected, and the lower extreme and the truckle of supporting leg are connected.

Further, the rotating seat can rotate by taking the lifting air rod as an axis.

According to the technical scheme that the distance between the foot rest and the seat cushion can be adjusted by sliding the foot rest relative to the rotating seat by taking the first sliding groove as a track and fixing the foot rest and the seat cushion by rotating the adjusting hand wheel, the distance between the foot rest and the seat cushion can be adjusted, so that a user kneels when the foot rest is close to the seat cushion, the lower leg can be effectively supported, and the problem that the conventional seat cannot effectively support the lower leg when the user kneels is solved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic illustration of the backrest and footrest adjustment of the present utility model;

FIG. 3 is a schematic view of the mounting of the footrest and swivel base of the present utility model;

figure 4 is an exploded view of a back rest keel of the utility model;

fig. 5 is an enlarged view of area a of fig. 4;

FIG. 6 is a perspective view of a button of the present utility model;

In the figure, a seat cushion 1, a chassis 2, a lifting air rod 3, an adjusting hand wheel 4, an adjusting screw 401, a screw hole 402, a foot rest 5, a rotating seat 51, a first sliding groove 6, a second sliding groove 7, a limiting post 8, a rubber gasket 9, a second screw hole 10, a second screw 101, a support leg 11, a keel 12, a limiting groove 13, a lifting boss 14, a backrest main body 15, a button groove 16, a lifting button 17, a limiting boss 18, a lifting groove 19, a compression spring 20, a gasket 21, a first screw 22, a cap 23, a supporting leg 24 and a caster 25.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

According to the content of the claims and the description, the specific embodiments are as follows:

The office chair with multiple sitting postures comprises a seat cushion 1, a chassis 2, a lifting air rod 3, a foot rest 5, support legs 11 and a backrest main body 15, wherein the seat cushion 1 is arranged on the chassis 2, the upper end of the lifting air rod 3 is connected with the chassis 2, the foot rest 5 is sleeved with the lifting air rod 3, the support legs 11 are connected with the lower end of the lifting air rod 3, the backrest main body 15 is connected with the chassis 2, the foot rest 5 is connected with a rotating seat 51, screw holes 402 and screw holes 10 are formed in the foot rest 5, a sliding groove I6 and a sliding groove II 7 are formed in the rotating seat 51, a limit post 8 is arranged in the sliding groove II 7, the foot rest 5 and the rotating seat 51 are connected with the screw holes 10 in a screwed manner after sequentially penetrating through a rubber gasket 9 and the limit post 8, the screw II 101 enables the foot rest 5 and the rotating seat 51 not to be separated from each other, and the limit post 8 enables the rubber gasket 9 not to form pressure on the rotating seat 51 so that the movement of the foot rest 5 and the rotating seat 51 is influenced;

The screw hole 402 is in threaded connection with the adjusting screw 401 of the adjusting hand wheel 4, the adjusting screw 401 passes through the rubber gasket 9 and the first sliding groove 6 before being in threaded connection with the screw hole 402, the adjusting hand wheel 4 is rotated to a loosening state, the footrest 5 can slide relative to the rotating seat 51 by taking the first sliding groove 6 as a track to adjust the distance between the footrest 5 and the seat cushion 1, the adjusting hand wheel 4 is rotated to a tightening state, the footrest 5 and the seat cushion 1 are fixed in position relation, and the footrest 5 is connected with the supporting legs 24. According to the utility model, the distance between the foot rest 5 and the seat cushion 1 can be adjusted by sliding the foot rest 5 relative to the rotating seat 51 by taking the sliding groove I6 as a track and fixing the foot rest 5 and the seat cushion 1 by rotating the adjusting hand wheel 4 (as shown in fig. 2), so that a user kneels when the foot rest 5 is close to the seat cushion 1 and can effectively support the lower leg, and the problem that the existing seat cannot provide effective support for the lower leg when the user kneels is solved, and the seat state suitable for the user with different heights can be conveniently adjusted.

This scheme can satisfy different position of sitting demands, for example:

1. Leg coiling and sitting, namely rotating a foot rest 5 to the front of a seat cushion 1, coiling and sitting at the moment, coiling the legs on a foot pad 4, and sitting the buttocks on the seat cushion 1 normally;

2. Squatting, namely directly attaching the sole to the upper end surface of the foot rest 5, and normally sitting the buttocks on the seat cushion 1;

3. The foot rest 5 is rotated to the back of the seat cushion 1, at the moment, the person faces the backrest main body 15, the buttocks are seated on the seat cushion 1, the forechest is attached to the backrest main body 15, the arms can be supported at the top of the backrest main body 15, and the feet are placed on the foot rest 5, so that riding is realized.

4. Kneeling, namely rotating the footrest 5 to the front of the seat cushion 1, adjusting the footrest 5 to be close to the seat cushion 1, lifting the chassis 2 to enable the vertical distance between the chassis 2 and the upper end surface of the footrest 5 to be increased to accommodate the lower legs of a user, kneeling the lower legs of the user on the footrest 5, and sitting the buttocks on the seat cushion 1 normally.

5. The standard sitting posture is that the foot rest 5 is rotated to the rear of the seat cushion 1, the buttocks are normally seated on the seat cushion 1, and the legs are normally drooping.

Preferably, the backrest body 15 is connected to the chassis 2 via the keel 12, and the backrest body 15 and the keel 12 are capable of relative lifting movement, which is controlled by a lifting button 17.

Preferably, the lifting button 17 is arranged in the button groove 16 of the backrest main body 15, the keel 12 is internally provided with a limiting groove 13 and a lifting boss 14, and the lifting button 17 is provided with a limiting boss 18 and a lifting groove 19.

Preferably, a compression spring 20 is arranged between the lifting button 17 and the button groove 16, the lifting button 17 passes through the keel 12 and is fixed with the backrest main body 15 through a first screw 22, a gasket 21 is arranged between the first screw 22 and the backrest main body 15, and a cap 23 is arranged outside the first screw 22.

Preferably, when the lifting button 17 is pressed to enable the lifting groove 19 to enter the cross section range of the keel 12, the lifting groove 19 can penetrate through the lifting boss 14 to enable the backrest main body 15 and the keel 12 to relatively lift and move, and when the lifting button 17 is released to enable the compression spring 20 to press the lifting button 17 until the limit boss 18 enters the cross section range of the keel 12, the limit boss 18 is limited in the limit groove 13 which stays at the moment, so that the position relationship between the backrest main body 15 and the keel 12 is kept relatively fixed.

The switching of the locked active state of the positional relationship of the backrest main body 15 and the keel 12 is achieved by the switching of the locked and unlocked state of the lifting button 17 and the keel 12, thereby achieving the height adjustment of the backrest main body 15 (as shown in fig. 2).

Preferably, the lower ends of the legs 11 are connected to casters 25, and the lower ends of the support legs 24 are connected to casters 25. Casters 25 are used to facilitate movement.

Preferably, the rotary seat 51 is rotatable about the lift lever 3. The footrest 5 is rotated to the rear of the seat cushion 1 when the footrest 5 is not used, so that the user can sit down normally.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. An office chair capable of adjusting multiple sitting postures comprises a seat cushion (1), a chassis (2), a lifting air rod (3), a foot rest pad (5), support legs (11) and a backrest main body (15), wherein the seat cushion (1) is arranged on the chassis (2), the upper end of the lifting air rod (3) is connected with the chassis (2), the foot rest pad (5) is sleeved with the lifting air rod (3), the support legs (11) are connected with the lower end of the lifting air rod (3), the backrest main body (15) is connected with the chassis (2), the office chair is characterized in that the foot rest pad (5) is connected with a rotating seat (51), screw rod holes (402) and screw holes (10) are formed in the foot rest pad (5), a sliding groove I (6) and a sliding groove II (7) are formed in the rotating seat (51), a limit post (8) is arranged in the sliding groove II (7), the foot rest pad (5) and the rotating seat (51) sequentially penetrate through a rubber gasket (9) and the limit post (8) to be connected with screw holes (10) in a screwed mode, the screw rod holes (402) are connected with an adjusting screw rod (4) in sequence, the screw rod holes (401) are connected with the adjusting screw rod (401) in advance, the adjusting screw rod (401) penetrates through the first screw rod (401), the adjusting hand wheel (4) is rotated to a relaxed state, the footrest (5) can slide and adjust the distance between the footrest (5) and the seat cushion (1) by taking the first sliding groove (6) as a track relative to the rotating seat (51), the adjusting hand wheel (4) is rotated to a tight state, the footrest (5) is fixed in position relation with the seat cushion (1), and the footrest (5) is connected with the supporting legs (24).

2. An adjustable multi-sitting office chair according to claim 1 wherein the back body (15) is connected to the chassis (2) by a keel (12), the back body (15) and keel (12) being movable relative to one another in a lifting motion controlled by a lifting button (17).

3. An adjustable multi-sitting office chair according to claim 2, wherein the lifting button (17) is arranged in a button groove (16) of the backrest main body (15), the keel (12) is internally provided with a limit groove (13) and a lifting boss (14), and the lifting button (17) is provided with a limit boss (18) and a lifting groove (19).

4. An adjustable multi-sitting office chair according to claim 3, wherein a compression spring (20) is arranged between the lifting button (17) and the button groove (16), the lifting button (17) passes through the keel (12) and is fixed with the backrest main body (15) through a first screw (22), a gasket (21) is arranged between the first screw (22) and the backrest main body (15), and a cap (23) is arranged outside the first screw (22).

5. An adjustable multi-sitting office chair according to claim 4 wherein when the lifting button (17) is pressed to enable the lifting groove (19) to enter the cross-sectional range of the keel (12), the lifting groove (19) can penetrate through the lifting boss (14) to enable the backrest main body (15) and the keel (12) to relatively lift and move, and when the lifting button (17) is released to enable the compression spring (20) to apply pressure to the lifting button (17) until the limit boss (18) enters the cross-sectional range of the keel (12), the limit boss (18) is limited in the limit groove (13) which stays at the moment to enable the position relation between the backrest main body (15) and the keel (12) to be relatively fixed.

6. An adjustable multi-sitting office chair according to claim 1, wherein the lower ends of the legs (11) are connected to casters (25) and the lower ends of the support legs (24) are connected to casters (25).

7. An adjustable multi-seated office chair according to claim 1, wherein the swivel base (51) is rotatable about the lifting air bar (3).