CN109043936B

CN109043936B - Composite chair

Info

Publication number: CN109043936B
Application number: CN201810758981.4A
Authority: CN
Inventors: 纪博凯; 胡光忠; 赵云; 屈督清; 袁柳; 邓聪
Original assignee: Sichuan University of Science and Engineering
Current assignee: Sichuan University of Science and Engineering
Priority date: 2018-07-11
Filing date: 2018-07-11
Publication date: 2022-04-15
Anticipated expiration: 2038-07-11
Also published as: CN109043936A

Abstract

The invention discloses a composite chair, which comprises a body supporting part and a chair supporting assembly, wherein the body supporting part comprises a chair back, a chair seat and a leg chair which are sequentially connected, and the three parts can rotate around the connection points of the chair back, the chair seat and the leg chair; the seat supporting assembly comprises a base supporting piece and a leg supporting piece, wherein the leg supporting piece comprises a leg front supporting piece and a leg rear supporting piece; base support piece is including the support piece before the base that connects gradually, a pedestal, support piece behind the base, support piece before the base, a pedestal, support piece is the arc structure behind the base, the base is connected support piece before the shank, between the support piece behind the shank, support piece's the other end is connected on the shank seat before the base, the support piece other end passes through the connecting rod and connects behind the shank on the support piece, the both ends of base can be support piece before the shank respectively, support piece is rotatory 180 behind the shank, can realize the seat, the rocking chair, change at will between the bed.

Description

Composite chair

Technical Field

The invention relates to the field of home furnishing and office work, in particular to a chair.

Background

With the development of society, the urban area is gradually increased, and simultaneously, the population is also rapidly expanded, so that the urban traffic which is not easy originally becomes more overwhelming. The traffic ensures that the noon break time in the city is relatively close to the office workers who have noon break, and a large amount of time is consumed on the road; and office workers far away from home are basically unrealistic to go home for noon break, so that many office workers cannot go home for noon break at all. However, many people have a habit of noon break, and particularly in summer, noon break can ensure that the office workers have enough energy to complete work, so most office workers can only lie on a desk in an office or lean against a chair to sleep. The sleeping posture is not red when the head is pressed by the head or the legs, the feet and the arms are numb after the user sleeps, and the health is not facilitated after the user sleeps for a long time in the sleeping posture. Therefore, the best is the sleeping position of noon break according to the habit of people, but the bed is basically not equipped due to the limited space of the office. This problem is best solved if there is a composite seat that can be flexibly changed between a seat and a bed.

The common seat can not meet the increasing requirements of people, the requirement on the comfort degree of the seat is higher and higher, the contact surface of the base of the common seat and the ground is fixed, people can only sit on the seat in a fixed posture basically, and diseases such as vertebra, lumbar vertebra and the like can be caused if the same posture is kept for a long time. The rocking chair can swing on the ground due to the arc-shaped structure of the base, people sitting on the rocking chair can also swing slowly along with the rocking chair, and people can relax on the rocking chair at leisure time, so that the relaxing mode not only can make people feel happy, but also can reduce blood pressure, and can relax breath and even exercise the balance of the body. However, under the existing living conditions, particularly the living conditions of a front-line city, the room space is not too large, and people cannot be provided with a rocking chair which is not commonly used while the necessary seat is arranged. In view of the situation that the rocking chair is abandoned due to the space problem, it is necessary to design a chair which can meet the requirements of the seat of people, can be changed into the rocking chair when needed and can avoid the waste in a larger space.

In order to save space, the existing folding bed and folding chair are generally available on the market, the rocking chair is generally not foldable and is a product with a single function, the body supporting part of the folding bed is generally made of flexible materials such as canvas and the like, the body supporting part can be laid flat or semi-leaned, but the rocking chair or the chair is not provided, and a product integrating the functions of the rocking chair and the chair is not available at present. The functional characteristics of the traditional seat, rocking chair and bed are separated and integrated into the same product, so that the design is very necessary, the space can be saved, and the requirements of people under different conditions can be met.

Disclosure of Invention

The invention aims to provide a composite seat which can be changed among a seat, a rocking chair and a bed at will and save space.

The technical scheme adopted by the invention is as follows: the combined type chair comprises a body supporting part and a chair supporting assembly, wherein the body supporting part comprises a chair back, a chair seat and a leg chair which are sequentially connected, and the three parts can rotate around the connection points of the chair back, the chair seat and the leg chair;

the chair support assembly is used for supporting a chair back, a chair seat and a leg chair and comprises a base support piece and a leg support piece, wherein the leg support piece comprises a leg front support piece and a leg rear support piece, and a connection point of the chair seat and the chair back and a connection point of the chair seat and the leg chair are respectively connected with the leg rear support piece and the leg front support piece;

the base support piece is including the support piece before the base that connects gradually, a pedestal, support piece behind the base, support piece before the base, a pedestal, support piece is the arc structure behind the base, the base is connected support piece before the shank, between the support piece behind the shank, support piece's the other end is connected on the shank seat before the base, the support piece other end passes through the connecting rod and connects behind the shank on the support piece, the both ends of base can be support piece before the shank respectively, support piece is rotatory 180 behind the shank, realize the base at the seat, the conversion between the rocking chair.

Furthermore, cotton pads are arranged on the chair back, the chair seat and the leg chair, and are used for shaping the human body, so that the comfort level of the chair is enhanced.

Furthermore, a foldable chair back supporting piece is connected to one side of the chair back opposite to the cotton pad, so that the chair back can be conveniently supported when the chair back is used as a bed.

Furthermore, the front supporting piece of the base can stretch out and draw back, so that the inclination angle of the leg seat can be adjusted conveniently according to users with different heights.

Furthermore, the side of the seat opposite to the front supporting piece of the leg part is provided with a guardrail, so that the user is prevented from falling off when using the seat.

Further, a neck bolster is arranged on the cotton pad of the chair back, and the neck bolster can support the neck of a user, so that the comfort of the user is improved.

Furthermore, the length of the back supporting piece of the leg part is adjustable, so that the inclination angle of the chair seat can be conveniently adjusted.

Furthermore, the angle of the chair back is adjustable, and the requirements of different users can be met.

The invention has the beneficial effects that:

(1) the composite chair of the invention only needs to add some convertible connecting pieces among the chair back, the chair seat and the leg chair, so that the composite chair can be freely converted among the chair, the rocking chair and the bed, and is simple and convenient to use.

(2) The composite seat can be changed at will, so that the composite seat can meet the space requirements of different places and meet different requirements of people on the seat.

Drawings

Fig. 1 is a schematic structural view of the seat of the present invention.

Fig. 2 is a schematic structural diagram of a rocking chair form of the invention.

FIG. 3 is a schematic view of the form and structure of the simple bed of the present invention.

FIG. 4 is a schematic view of the structure of the spindle of the present invention.

Figure 5 is a schematic illustration of the leg seat attachment of the present invention.

Labeled as: 1-backrest, 2-seat, 3-leg seat, 4-leg front support, 5-leg rear support, 6-base front support, 7-base, 8-base rear support, 9-cotton pad, 10-backrest support, 11-guardrail, 12-neck bolster, 13-locking ring, 14-button, 15-seat inner gear, 16-connecting gear, 17-backrest inner gear, 18-push rod, 19-spring, 20-connecting rod, 21-force transfer rod, 22-spring pin, 23-spring pin, 24-locking ring, 25-locking ring, 26-locking ring, 27-rotating shaft and 28-hinge.

Detailed Description

The invention is further illustrated with reference to the following figures and examples.

As shown in fig. 1 to 5, the composite seat of the present invention comprises a body supporting component and a seat supporting assembly, wherein the body supporting component comprises a backrest 1, a seat 2 and a leg seat 3 which are connected in sequence, and the three are rotatable around their connection points, specifically, the backrest 1, the seat 2 and the leg seat 3 are all provided with a human body shaping cotton pad 9 on a supporting plate structure, the backrest 1 and the seat 2 are connected through a rotating shaft 27, so as to realize the angle adjustment of the backrest 1, the leg seat 3 and the seat 2 are connected through a hinge 28, so as to realize the folding and unfolding of the leg seat 3, and the front supporting member 6 of the base is provided with a locking ring 13 for locking the front supporting member 6 of the base when the leg seat 3 is folded or unfolded. In the seat state, the leg seat 3 is folded under the seat 2 and locked to the seat 2 by the locking ring 13. When unfolding is required, the locking ring 13 is opened, and the leg seat 3 is rotated downward to a required position. Thereby realizing the random conversion of the body supporting parts among the bed, the rocking chair and the seat, and simultaneously meeting the requirements of different users on the angle of the chair back 1 and the angle of the leg seat 3. The neck pillow 12 is arranged on the chair back 1 near the top, and the total length of the chair back 1 is designed according to the requirement of most human body lengths because the human body occupies one third to one half of the total length of the human body from the buttocks to the head. The position of the neck pillow 12 on the chair back 1 can be properly adjusted to meet the requirements of different people. All be provided with cotton pad 9 on back of the chair 1, seat support 2, shank seat 3, this cotton pad 9 is the moulding cotton pad of human body, strengthens the comfort level of seat.

Seat supporting component is used for supporting back of the chair 1, seat support 2, shank seat 3, including base 7 support piece, shank support piece includes support 4 before the shank, support 5 behind the shank is connected at pivot 27 both ends between seat support 2 and the back of the chair 1, support 4 before the shank is connected at pivot 27 both ends between seat support 2 and the shank seat 3, make support 4 before the shank, support 5 angularly adjustable behind the shank, support 4 before the shank is properly adjusted as required when being convenient for convert seat or bed to the rocking chair, support 5's angle behind the shank. In order to adjust the length of the rear leg supporting pieces 5, the rear leg supporting pieces 5 are telescopic, the spring pins 22 on the rear leg supporting pieces are located in telescopic holes at different positions to adjust the length of the rear leg supporting pieces, when the rear leg supporting pieces need to be detached, the rear leg supporting pieces are detached only by pressing the spring pins 22, the operation is simple and convenient, the chair back 1 is provided with the chair back supporting piece 10, the chair back supporting piece 10 can be folded towards the chair back, and the chair back supporting piece 10 is provided with the locking ring 25 for locking when the chair back supporting piece 10 is folded or unfolded.

Support 6 before the base 7 support piece includes the base that connects gradually, base 7, support 8 behind the base, support 6 before the base, base 7, support 8 is the arc structure behind the base, support 4 before the base 7 is connected before the shank, support 5 behind the shank between, support 6 before the base's the other end is connected on shank seat 3, support 8 is connected after the base on support 5 through connecting rod 20 behind the shank at the other end, support 8 can be folding behind the base between support 5 behind the shank, support 4 before the base 7's both ends can be respectively before the shank, support 5 is rotatory 180 behind the shank, be provided with locking ring 24 behind the base on support 8, it dies to be used for support 8 is folding behind the base or when expanding. When the seat and the bed are in the state, the front base support piece 6, the base 7 and the rear base support piece 8 are separated, the arc of the base 7 is arranged towards the seat 2, when the rocking chair is in the state, the front base support piece 6, the base 7 and the rear base support piece 8 are connected, the base 7 is rotated downwards by 180 degrees, and then the

locking rings

26 and 13 are used for locking the base 7, so that the arc faces to one side away from the seat 2. The front base support 6 is telescopic, and the length of the front base support is adjusted by adopting the same adjusting mode as that of the rear leg support 5 and by enabling the spring pins 23 to be located in telescopic holes at different positions.

In order to conveniently adjust the angle of the chair back 1 at will, a rotating shaft 27 between the chair seat 2 and the chair back 1 adopts a structure as shown in fig. 4, and comprises a connecting gear 16, a chair seat internal gear 15 and a chair back internal gear 17 which are meshed with the connecting gear 16, the chair seat internal gear 15 and the chair back internal gear 17 are respectively connected with the chair seat 2 and the chair back 1, a spring 19 is arranged between the axial direction of the connecting gear 16 and the chair seat 2 and the chair back 1, a limit connecting rod 20 which is flush with the rotating shaft 27 is coaxially arranged in the rotating shaft 27, two ends of the limit connecting rod 20 are connected with a button 14, a push rod 18 is arranged on the limit connecting rod 20, the push rod 18 is arranged at a position between the chair back internal gear 17 and the connecting gear 16, the height of the push rod 18 does not exceed the external teeth of the connecting gear 24, an N-shaped force transfer rod 21 is arranged at the middle position of the connecting rod 20, when the angle of the chair back 1 needs to be adjusted, the push button 14 is only needed, the limit connecting rod 20 moves towards the middle under the thrust action of the button 14, the push rod 18 on the limit connecting rod 20 is driven to push the connecting gear 16 to move forwards, so that the internal gear 17 of the chair back is separated from the connecting gear 16, at the moment, the chair back 1 is rotated to a proper position, and therefore the aim of adjusting the angle of the chair back 1 is achieved, after the angle of the chair back 1 is adjusted, the button 14 is loosened, the connecting gear 16 returns to the original position under the counter-acting force of the compression spring 19 to be meshed with the internal gear 17 of the chair back, and the chair back 1 is locked.

When the chair is in a state, the body supporting part, the base 7 supporting piece and the leg supporting piece are in a state shown in fig. 1, the base front supporting piece 6, the base 7 and the base rear supporting piece 8 are separated, the base front supporting piece 6 is folded and fixed to the chair seat 2 along with the leg chair 3, the base rear supporting piece 8 is folded and fixed to the leg rear supporting piece 5, and the arc of the base 7 faces the chair seat 2. Compared with the traditional seat, the angle of the chair back 1 is adjustable, the length of the leg rear support 5 is adjustable, if the length of the leg rear support 5 needs to be adjusted, the spring pin 22 on the leg rear support is pressed down, then the spring pin 22 slides downwards along the leg rear support 5, when the leg rear support 5 reaches a reserved hole, the spring pin 22 automatically pops up to lock the leg rear support 5, and if the required position is not reached, the operation is repeated until the proper position is reached; if the angle of the chair back 1 needs to be adjusted, the user only needs to press the button 14 to separate the internal gear 17 of the chair back from the connecting gear 16 and then rotate the chair back 1 to the required angle, and the use of the two functions can enable the user to be in a comfortable state when using the chair, so that the fatigue of the user during work and work can be relieved to a certain extent.

In the rocking chair state, the body support member, the base 7 support member and the leg support member are in a state shown in fig. 2, the base front support member 6, the base 7 and the base rear support member 8 are connected, and the arc shape of the base 7 faces the side away from the seat 2. When the chair is converted into the rocking chair, firstly, the locking ring 13 on the front supporting piece 6 of the base is loosened, the leg chair 3 and the front supporting piece 6 of the base are rotated downwards to the required positions, the front supporting piece 6 of the base is rotated, meanwhile, the spring pin 23 is pressed down to adjust the length of the front supporting piece 6 of the base to the proper position, then the front supporting piece 6 of the base is connected with the base 7, the locking ring 13 is fixed on the base 7, the base 7 and the front supporting piece 6 of the base are fixed relatively, and at the moment, a certain angle is formed between the leg chair 3 and the front supporting piece 6 of the base. Secondly, the rear base support piece 8 and the connecting rods on the rear base support piece are rotated downwards to required positions, the connecting rods are fixed on the preformed holes on the rear leg support pieces 5, then the base 7 is rotated by 180 degrees and is fixed by the locking ring 26, so that the front base support piece 6, the base 7 and the rear base support piece 8 are positioned on the same arc line, and the conversion from the seat to the support piece of the rocking chair base 7 is realized. If necessary, the length of the leg rear support 5 can be adjusted to make the base front support 6, the base 7 and the base rear support 8 on the same arc. When the angle of the chair back 1 needs to be adjusted, the angle of the chair back 1 is adjusted to the required position in the method, so that the conversion between the chair and the rocking chair can be realized. The angles of the chair back 1 and the leg chair 3 are adjusted to the optimum comfort level according to the height and the physique of the user.

When the simple bed is in a state, the body supporting part, the base 7 supporting piece and the leg supporting piece are in a state shown in fig. 3, the front supporting piece 6 of the base, the base 7 and the rear supporting piece 8 of the base are separated, the leg seat 3, the seat 2 and the chair back 1 are positioned on the same horizontal plane, the front supporting piece 6 of the base, the base 7, the rear supporting piece 8 of the base and the chair back supporting piece 10 are all contacted with the ground, and the leg seat 3, the seat 2 and the chair back 1 are respectively supported. Only the process of converting the seat state into the cot will be described, and the process of converting the rocking chair into the cot is substantially equivalent to this process. Specifically, when the seat state is converted into the simple bed, the locking ring 13 on the front base supporting piece 6 is loosened, the leg seat 3 and the front base supporting piece 6 are rotated downwards, the leg seat 3 is rotated to be flush with the seat 2, the front base supporting piece 6 is stretched to the longest state and is locked by the spring pin 22, and then the leg seat 3 and the front base supporting piece 6 are fixed by the locking ring 13 on the front base supporting piece 6, so that the legs of the simple bed are unfolded. At the other end, the button 14 on the rotating shaft 27 between the chair back 1 and the chair seat 2 is pressed to rotate the chair back 1 to be flush with the chair seat 2, then the locking ring 25 on the chair back supporting piece 10 is unlocked and rotated downwards until the rest of the chair back 1 is vertical, and the locking ring 13 locks the chair back supporting piece 10 and the chair back 1, thereby completing the conversion from the chair to the simple bed.

Claims

1. Compound type seat, its characterized in that: comprising a body support member, a seat support assembly, wherein,

the body supporting part comprises a chair back (1), a chair seat (2) and a leg chair (3) which are connected in sequence, and the three can rotate around the connection points;

the seat supporting assembly is used for supporting a chair back (1), a chair seat (2) and a leg seat (3) and comprises a base (7) supporting piece and a leg supporting piece, wherein the leg supporting piece comprises a leg front supporting piece (4) and a leg rear supporting piece (5), and a connecting point of the chair seat (2) and the chair back (1) and a connecting point of the chair seat (2) and the leg seat (3) are respectively connected with the leg rear supporting piece (5) and the leg front supporting piece (4);

the base (7) support piece comprises a front base support piece (6), a base (7) and a rear base support piece (8) which are sequentially connected, the front base support piece (6), the base (7) and the rear base support piece (8) are of arc structures, the base (7) is connected between the front leg support piece (4) and the rear leg support piece (5), the other end of the front base support piece (6) is connected to the leg seat (3), the other end of the rear base support piece (8) is connected to the rear leg support piece (5) through a connecting rod, and two ends of the base (7) can respectively rotate for 180 degrees on the front leg support piece (4) and the rear leg support piece (5);

the angle of the chair back (1) is adjustable, a rotating shaft (27) is arranged between the chair seat (2) and the chair back (1), the rotating shaft (27) adopts the following structure and comprises a connecting gear (16), a chair seat internal gear (15) and a chair back internal gear (17) which are meshed with the connecting gear (16), the chair seat internal gear (15) and the chair back internal gear (17) are respectively connected with the chair seat (2) and the chair back (1), a spring (19) is arranged between the axial direction of the connecting gear (16) and the chair seat (2) and the chair back (1), a limiting connecting rod (20) which is flush with the rotating shaft (27) is coaxially arranged in the rotating shaft (27), two ends of the limiting connecting rod (20) are connected with a button (14), a push rod (18) is arranged on the limiting connecting rod (20), the push rod (18) is arranged at a position between the chair back internal gear (17) and the connecting gear (16), and the height of the push rod (18) does not exceed the external teeth of the connecting gear (16), an N-shaped force transfer rod (21) is arranged in the middle of the limiting connecting rod (20).

2. The composite seat of claim 1, wherein: cotton pads (9) are arranged on the chair back (1), the chair seat (2) and the leg chair (3), and the cotton pads (9) are human body shaping cotton pads.

3. The composite seat of claim 2, wherein: one side of the chair back (1) opposite to the cotton pad (9) is connected with a foldable chair back supporting piece (10).

4. The composite seat of claim 1, wherein: the front supporting piece (6) of the base can stretch out and draw back.

5. The composite seat of claim 1, wherein: a guardrail (11) is arranged on one side of the chair seat (2) opposite to the leg front supporting piece (4).

6. The composite seat of claim 1, wherein: a neck pillow (12) is arranged on the chair back (1).

7. The composite seat of claim 1, wherein: the length of the leg rear supporting piece (5) is adjustable.