CN216416553U - Chair suitable for old people - Google Patents

Abstract

The utility model discloses an old-fit chair, which comprises a chair frame, a seat board, a chair back and an additional board, wherein the seat board is arranged on the top surface of the chair frame, one end of the seat board is a connecting end connected with the chair back, the other end of the seat board is a free end, and the additional board detachably connected with the chair frame is arranged above the free end; the top surface of the seat board is gradually inclined downwards from the additional board to the direction of the chair back, one side surface of the chair back is a leaning surface, and the leaning surface is a curved surface which is matched with the waist and back curve of a human body. The additional plate is additionally arranged on the old-adapted chair, can be used for placing articles nearby aiming at the long-term sitting condition of the old user, is also convenient to take, and improves the use convenience of the old user. Meanwhile, the additional plate is detachably connected, so that whether the additional plate is installed or not can be selected according to a specific use scene, and the practicability is improved. In addition, in the process of getting up and sitting down, the additional plate can be temporarily detached, so that the interference to normal use is avoided, and the device is flexible and convenient.

Description

Chair suitable for old people

Technical Field

The utility model belongs to the technical field of suitable old furniture, concretely relates to suitable old chair.

Background

The furniture suitable for old people is furniture which is subjected to adaptive improvement aiming at old people on the basis of the existing furniture, is more fit for the physiological characteristics, the physical conditions and the use requirements of the old people in structure and function, and improves the safety and the comfort of the daily life of the old people.

The chair is the furniture of daily life commonly used, and suitable old chair also takes place with the year, and the improvement of adaptability has been carried out on the basis of common chair to current suitable old chair mostly, if the chair height reduces a little, and cushion length equals thigh length or chair both sides set up half handrail, makes things convenient for the old man to sit the back and rises up with the help of half handrail laterally.

However, the existing old-adapted chair has simple structure and single function, and the old user can bring inconvenience when using the chair for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a suitable old chair has solved current suitable old chair simple structure's problem.

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

an old-fit chair comprises a chair frame, a seat board, a chair back and an additional plate, wherein the seat board is arranged on the top surface of the chair frame, one end of the seat board is a connecting end connected with the chair back, the other end of the seat board is a free end, and the additional plate detachably connected with the chair frame is arranged above the free end;

the top surface of the seat board is gradually inclined downwards from the additional board to the direction of the chair back, one side surface of the chair back is a leaning surface, and the leaning surface is a curved surface which is adaptive to the waist-back curve of a human body.

In one possible design, the chair frame comprises a frame body, a plurality of supporting rods and two handrails, wherein the chair plate is placed on the frame body, the supporting rods are connected with the frame body and distributed along the periphery of the frame body, and a notch which is matched with the free end of the chair plate is reserved between the supporting rods; the supporting rods at two sides of the seat board extend to the upper part of the frame body and are respectively connected with a handrail, and the additional board is detachably connected with the two handrails.

In one possible design, the frame body is square, and four support rods are arranged and are respectively positioned at four corners of the frame body; correspondingly, two supporting rods are respectively arranged at two sides of the seat board, and at least one of the two supporting rods extends upwards and is connected with the handrail.

In one possible design, the support bar is divided into a front leg near the free end of the seat plate and a rear leg near the back of the seat;

the free end of the seat board is hinged with the frame body or the front leg, and the connecting end of the seat board can rotate by taking the free end as the center;

the lower extreme of the back of the chair is equipped with first sliding construction and connects the framework through first sliding construction, and the middle part of the back of the chair is equipped with second sliding construction and connects the back leg through second sliding construction, and the back of the chair accessible first sliding construction and second sliding construction slide from top to bottom to the bedplate is lifted or put down.

In one possible design, the first sliding structure comprises a first sliding groove on the frame body, a first sliding shaft on the side edge of the chair back and a first elastic piece connected with the first sliding shaft, wherein two sides of the chair back are respectively provided with the first sliding shaft; the first elastic member is stretched or contracted in accordance with the reciprocal sliding of the first sliding shaft.

In one possible design, the second sliding structure comprises a second sliding groove positioned at the side edge of the chair back, a second sliding shaft positioned on the rear leg and a second elastic piece connected with the second sliding shaft, wherein the two sides of the chair back are respectively provided with the second sliding groove; the second elastic member is stretched or contracted with the reciprocating sliding of the second sliding shaft.

In one possible design, the handrail comprises a hollow outer cylinder and an inner rod penetrating through the outer cylinder, wherein one end of the outer cylinder is abutted against the rear leg, the other end of the outer cylinder is detachably connected to the additional plate, and the inner rod is connected with a third elastic piece and can slide along the outer cylinder in a reciprocating manner;

the additional plate comprises a plate body and a connecting cylinder positioned below the plate body, and the connecting cylinder can be inserted into the outer cylinder and pushes the inner rod to slide;

correspondingly, the second sliding shaft comprises a shaft seat positioned on the rear leg and a shaft body fixed on the shaft seat, the shaft body is inserted in the second sliding groove, the shaft seat is connected with a torsion spring and can rotate, and the shaft body is elliptic;

the inner rod slides under the pushing of the connecting cylinder and enables the shaft seat to rotate, so that the large-diameter part of the shaft body is abutted against the second sliding groove, and the chair back is locked.

In a possible design, the lower end of the chair back is provided with a first clamping groove adapted to the seat board, and the lower end of the second sliding groove is provided with a second clamping groove adapted to the large diameter of the shaft body.

Has the advantages that:

the additional plate has been add to this suitable old chair, and the additional plate can be used to placing object article, to the condition of sitting for a long time in old user, can placing object article nearby, also conveniently takes, has improved the convenience that old user used. Meanwhile, the additional plate is detachably connected, so that whether the additional plate is installed or not can be selected according to a specific use scene, and the practicability is improved. In addition, in the process of getting up and sitting down, the additional plate can be temporarily detached, so that the interference to normal use is avoided, and the device is flexible and convenient.

Drawings

Fig. 1 is a side view of a suitable chair for old people.

Fig. 2 is a schematic structural view of an old-fashioned chair.

Fig. 3 is a side sectional structural view of an old-fit chair.

Fig. 4 is a partially enlarged structural view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the second sliding shaft.

In the figure:

1. a chair frame; 11. a frame body; 12. a support bar; 121. a front leg; 122. a rear leg; 13. a handrail; 131. an outer cylinder; 132. an inner rod; 133. a supporting seat; 2. a seat plate; 3. a chair back; 4. an additional plate; 41. a plate body; 42. a connecting cylinder; 51. a first sliding groove; 52. a first sliding shaft; 61. a second sliding groove; 62. a second sliding shaft; 621. a shaft seat; 622. a shaft body.

Detailed Description

Example (b):

as shown in fig. 1-5, an adaptive chair comprises a chair frame 1, a seat plate 2, a chair back 3 and an additional plate 4, wherein the seat plate 2 is arranged on the top surface of the chair frame 1, one end of the seat plate 2 is a connecting end connected with the chair back 3, the other end of the seat plate 2 is a free end, and the additional plate 4 detachably connected with the chair frame 1 is arranged above the free end; the top surface of the seat board 2 is gradually inclined downwards from the additional board 4 to the direction of the chair back 3, one side surface of the chair back 3 is a leaning surface, and the leaning surface is a curved surface which is adapted to the waist and back curve of a human body.

This suitable old chair improves the structure on the basis of current suitable old chair, has add additional plate 4 promptly, and additional plate 4 can be used to placing object article, to the condition of sitting for a long time in old user, can be nearby placing object article, also conveniently takes, has improved the convenience that old user used. Meanwhile, the additional plate 4 is detachably connected, so that whether the additional plate is installed or not can be selected according to a specific use scene, and the practicability is improved. In addition, in the process of getting up and sitting down, the additional plate 4 can be temporarily detached, so that the interference of normal use is avoided, and the device is flexible and convenient.

The chair frame 1, the seat plate 2 and the chair back 3 form a stable sitting structure, wherein the chair frame 1 forms a stable frame, the seat plate 2 is used for sitting, and the chair back 3 is used for leaning. Wherein, the top surface of the seat board 2 is gradually inclined downwards from the additional board 4 to the direction of the chair back 3, when sitting down, the position of the thigh of the user near the knee is lifted, the feet of the user are just laid on the ground, and the ankle joint and the knee are in a rest state. Meanwhile, the user leans back to the chair back 3, and the leaning surface on the chair back 3 is adapted to the curve of the human body, so that the body is in a relaxed but not tense state, the muscles of the back are relaxed, and the aging of the intervertebral disc is reduced. Therefore, the comfort of the old user is improved and the health of the old user is ensured in the long-time use process.

It is easy to understand that the seat plate 2, the chair back 3 and the additional plate 4 can be constructed into any suitable shape, which is suitable for the requirement of the user, flexible and convenient, and increases the market competitiveness.

In this embodiment, the chair frame 1 includes a frame 11, a plurality of support rods 12 and two armrests 13, wherein the armrests 13 are located on two sides of the user, that is, the position of the armrests 13 is relatively fixed, the specific height thereof can be flexibly set, and optionally, different specifications can be set according to the height of the armrests 13 for selection.

The frame 11 and the support rod 12 are relatively flexible, that is, the shape, size, thickness, material and other parameters can be selected and combined at will, generally, a plurality of products can be designed for selection, and also can be customized according to the requirements of users.

Naturally, there are also specific requirements on the structure, wherein the seat plate 2 is placed on the frame 11, the support rods 12 are connected to the frame 11 and distributed along the periphery of the frame 11, and a gap adapted to the free end of the seat plate 2 is reserved between the support rods 12; the support rods 12 at both sides of the seat board 2 extend to the upper part of the frame 11 and are connected with a handrail 13 respectively, and the additional board 4 is detachably connected with the two handrails 13.

I.e., the width of the gap, i.e., the distance between two adjacent support rods 12, is at least slightly larger than the waist width of the user, so as to facilitate the seating of the user. For the connection of the support bars 12 with the arm rests 13, at least one support bar 12 extends upwards on each side of the seat plate 2.

In one possible implementation, the structure of the chair frame 1 includes, but is not limited to, the following illustrative examples: the frame body 11 is square, and four support rods 12 are arranged and are respectively positioned at four corners of the frame body 11; correspondingly, two support rods 12 are respectively arranged at two sides of the seat board 2, and at least one of the two support rods 12 extends upwards and is connected with the handrail 13.

With the aging, the natural aging of organs and tissues of the body, the gradual decline of organ functions, the degeneration of skeletal muscles, joints and bones in different degrees, in particular the degeneration of skeletal muscles, the reduction of the volume and the number of muscle fibers leads to the reduction of muscle volume and the reduction of muscle strength, and small rising movements are also a great challenge for the elderly.

In this respect, the chair is improved, and specifically, the support rod 12 is divided into a front leg 121 near the free end of the seat plate 2 and a rear leg 122 near the chair back 3; the free end of the seat board 2 is hinged with the frame body 11 or the front leg 121, and the connecting end of the seat board 2 can rotate by taking the free end as the center; the lower extreme of back of the chair 3 is equipped with first sliding construction and connects framework 11 through first sliding construction, and the middle part of the back of the chair 3 is equipped with the second sliding construction and connects back leg 122 through the second sliding construction, and the back of the chair 3 accessible slides from top to bottom through first sliding construction and second sliding construction to the bedplate 2 is put down in the lifting.

That is, the seat plate 2 can be rotated and rotated about the free end, so that the buttocks of the user can be raised, that is, the user can be forced to rise. The acting force for rotating the seat plate 2 comes from the chair back 3, the chair back 3 can slide through the arrangement of the first sliding structure and the second sliding structure, and then the seat plate 2 is lifted, namely the acting force comes from at least one of the first sliding structure and the second sliding structure and is transmitted to the seat plate 2 through the chair back 3.

When the user sits down, the user rotates the seat plate 2 toward the frame 11 by his own weight and lays it on the frame 11. When getting up, the user props up the health through handrail 13 on the one hand, and on the other hand bedplate 2 also can provide ascending effort, for current suitable old chair, this suitable old chair has increased the effort that comes from bedplate 2, has reduced the degree of difficulty of getting up, and the help user gets up, has improved the convenience of using.

Meanwhile, for the sake of convenience of distinction, the support rods 12 are named as a front leg 121 and a rear leg 122, respectively, according to their positions. It will be readily appreciated that in order to better lift the seat plate 2 from the back 3, the lower end of the back 3 is also partially below the seat plate 2 when the seat plate 2 is rotated to lie flat on the frame 11.

The following explains the rising process with reference to the specific structures of the first sliding structure and the second sliding structure:

in a possible implementation manner, the first sliding structure includes a first sliding groove 51 located on the frame 11, a first sliding shaft 52 located at a side of the seat back 3, and a first elastic member connected to the first sliding shaft 52, wherein two sides of the seat back 3 are respectively provided with a first sliding shaft 52, correspondingly, two sides of the inner periphery of the frame 11 are respectively provided with a first sliding groove 51, the first sliding shaft 52 is slidably disposed in the first sliding groove 51, and the first sliding shafts 52 and the first sliding grooves 51 are disposed in a one-to-one correspondence manner; the first elastic member is stretched or contracted with the reciprocal sliding of the first sliding shaft 52.

In a possible implementation manner, the second sliding structure includes a second sliding groove 61 located at a side of the seat back 3, a second sliding shaft 62 located on the rear leg 122, and a second elastic member connected to the second sliding shaft 62, wherein two sides of the seat back 3 are respectively provided with a second sliding groove 61, correspondingly, two sides of the seat back 3 are respectively provided with a rear leg 122, the inner side of the rear leg 122 is provided with a second sliding shaft 62, the second sliding shaft 62 is slidably disposed in the second sliding groove 61, and the second sliding shafts 62 and the second sliding grooves 61 are disposed in a one-to-one correspondence manner; the second elastic member is stretched or contracted with the reciprocating sliding of the second sliding shaft 62.

Structurally, the first sliding structure and the second sliding structure are formed in the same mode, namely the first sliding structure and the second sliding structure comprise a groove body, a sliding shaft and an elastic piece, the three parts are arranged at different positions, and the functions of the three parts are also the same.

Then, when sitting down, the user's buttocks contacts and presses the seat plate 2, the seat plate 2 rotates in the direction of the frame 11 with the free end as the center, and the free end of the seat plate 2 abuts against the seat back 3 to push the seat back 3 to slide obliquely upward. If the part of the chair back 3 below the chair plate 2 is too much, the chair back 3 can be pressed by the chair plate 2, and the chair back 3 can be pulled by hand in advance, so that the chair back 3 is ensured to be in a vertical direction after sitting down.

When the seat back 3 slides obliquely upward, the first sliding shaft 52 slides along the first sliding groove 51 in a first direction, which is parallel to the direction from the front leg 121 to the rear leg 122, i.e., the lower end of the seat back 3 slides toward the rear leg 122; meanwhile, the second slide shaft 62 slides along the second slide groove 61 in a second direction, which is a substantially vertically upward direction, that is, a middle portion of the seatback 3 slides upward. The two sliding combinations enable the chair back 3 to move to a vertical direction approximately and form an included angle with the vertical direction, and the specific oblique angle can be flexibly adjusted. Further, both the first elastic member and the second elastic member are compressed.

When the user gets up, the user holds the armrests 13 with both hands and supports the body, the buttocks of the user are gradually lifted, the acting force applied to the seat plate 2 disappears, the first elastic piece and the second elastic piece recover to the original shape, the elastic force acts on the chair back 3 and enables the chair back 3 to slide obliquely downwards, the lower end of the chair back 3 gradually jacks up the seat plate 2, and the seat plate 2 rotates by taking the free end as the center and is far away from the frame body 11.

When the seat back 3 slides obliquely downward, both the first sliding shaft 52 and the second sliding shaft 62 slide, but slide in the opposite directions when the sliding direction slides obliquely upward relative to the seat back 3, which is not described herein again.

Alternatively, the first elastic member is disposed at a suitable position of the first sliding groove 51, and the second elastic member is disposed at a suitable position of the second sliding groove 61, which is not limited by the present invention.

Optionally, the first elastic member includes, but is not limited to, a spring and the second elastic member includes, but is not limited to, a spring.

Can choose the spring of different elastic modulus according to actual conditions for use, but the locking of bedplate 2 only relies on the weight in the use when sitting down, simultaneously, also is the security when in order to improve the use, and this suitable old chair has still set up locking structure, specifically as follows:

the armrest 13 comprises a hollow outer cylinder 131 and an inner rod 132 penetrating through the outer cylinder 131, wherein one end of the outer cylinder 131 is abutted to the rear leg 122, the other end of the outer cylinder 131 is detachably connected to the additional plate 4, and the inner rod 132 is connected with a third elastic member and can slide back and forth along the outer cylinder 131; the additional plate 4 comprises a plate body 41 and a connecting cylinder 42 positioned below the plate body 41, and the connecting cylinder 42 can be inserted into the outer cylinder 131 and pushes the inner rod 132 to slide; correspondingly, the second sliding shaft 62 includes a shaft seat 621 located on the rear leg 122 and a shaft body 622 fixed on the shaft seat 621, the shaft body 622 is inserted into the second sliding groove 61, the shaft seat 621 is connected with a torsion spring and can rotate, and the shaft body 622 is configured to be oval; the inner lever 132 slides under the pushing of the connecting cylinder 42 and rotates the shaft seat 621, so that the large diameter portion of the shaft body 622 abuts against the second sliding groove 61 to lock the seat back 3.

When the locking device is locked, after a user sits down, the user holds the additional plate 4 with hands and inserts the additional plate 4 into the outer cylinder 131, the connecting cylinder 42 penetrates through the outer cylinder 131 and pushes the inner rod 132 to slide, the inner rod 132 slides along the outer cylinder 131 towards the rear leg 122 and pushes the shaft seat 621 to rotate, and the shaft body 622 connected to the shaft seat 621 also rotates along with the inner rod 132. Simultaneously, both the third elastic member and the torsion spring are deformed.

The major diameter joint of axis body 622 has increased the frictional force between second sliding tray 61 and the second slip axle 62 promptly to second sliding tray 61, utilizes this frictional force as locking force to lock back of the chair 3, and then offsets the elastic force from first elastic component and second elastic component, plays the effect that improves safe in utilization.

Otherwise, the additional plate 4 is pushed outward, the inner rod 132 slides in the direction away from the rear leg 122 under the action of the elastic force of the third elastic member, the inner rod 132 is away from the shaft seat 621, the shaft seat 621 rotates under the action of the torsion spring, the large diameter of the shaft body 622 is away from the side wall of the second sliding groove 61, and the friction force for locking disappears.

Optionally, when the diameter difference between the outer cylinder 131 and the inner rod 132 is large, at least two support seats 133 are arranged in the outer cylinder 131, and the inner rod 132 is arranged on the support seats 133 in a penetrating manner.

In a possible implementation manner, the lower end of the chair back 3 is provided with a first clamping groove adapted to the seat plate 2. I.e. to ensure that the lower end portion of the backrest 3 is always located below the seat plate 2.

In a possible implementation manner, the lower end of the second sliding groove 61 is provided with a second clamping groove adapted to the large diameter of the shaft body 622. Therefore, the friction during locking is changed into blocking, and the locking effect is improved.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An adaptive chair is characterized by comprising a chair frame (1), a seat board (2), a chair back (3) and an additional plate (4), wherein the seat board (2) is arranged on the top surface of the chair frame (1), one end of the seat board (2) is a connecting end connected with the chair back (3), the other end of the seat board (2) is a free end, and the additional plate (4) detachably connected with the chair frame (1) is arranged above the free end;

the top surface of the seat board (2) is gradually inclined downwards from the additional board (4) to the direction of the chair back (3), one side surface of the chair back (3) is a leaning surface, and the leaning surface is a curved surface adaptive to the waist and back curves of a human body.

2. The chairman as claimed in claim 1, wherein the seat frame (1) comprises a frame (11), a plurality of support rods (12) and two armrests (13), wherein the seat plate (2) is placed on the frame (11), the support rods (12) are connected with the frame (11) and distributed along the periphery of the frame (11), and a gap adapted to the free end of the seat plate (2) is reserved between the support rods (12); the supporting rods (12) positioned at two sides of the seat board (2) extend to the upper part of the frame body (11) and are respectively connected with a handrail (13), and the additional board (4) is detachably connected with the two handrails (13).

3. The chairman as claimed in claim 2, wherein the frame (11) is square, and the support rods (12) are four and are respectively positioned at four corners of the frame (11); correspondingly, two supporting rods (12) are respectively arranged on two sides of the seat board (2), and at least one of the two supporting rods (12) extends upwards and is connected with the handrail (13).

4. The fitted chair according to any of claims 2-3, wherein the support bar (12) is divided into a front leg (121) near the free end of the seat plate (2) and a rear leg (122) near the back (3);

the free end of the seat board (2) is hinged with the frame body (11) or the front leg (121), and the connecting end of the seat board (2) can rotate by taking the free end as the center;

the lower extreme of back of the chair (3) is equipped with first sliding construction and connects framework (11) through first sliding construction, and the middle part of back of the chair (3) is equipped with second sliding construction and connects back leg (122) through second sliding construction, and back of the chair (3) accessible first sliding construction and second sliding construction slide from top to bottom to the bedplate (2) is put down or lifting.

5. The chaise longue according to claim 4, wherein the first sliding structure comprises a first sliding groove (51) on the frame body (11), a first sliding shaft (52) on the side of the seat back (3) and a first elastic member connected with the first sliding shaft (52), wherein the two sides of the seat back (3) are respectively provided with the first sliding shaft (52), correspondingly, the two sides of the inner periphery of the frame body (11) are respectively provided with the first sliding groove (51), the first sliding shaft (52) is slidably arranged in the first sliding groove (51), and the first sliding shaft (52) and the first sliding groove (51) are arranged in a one-to-one correspondence manner; the first elastic member is stretched or contracted in accordance with the reciprocal sliding of the first sliding shaft (52).

6. The chaise longue according to claim 4, wherein the second sliding structure comprises a second sliding groove (61) at the side of the chair back (3), a second sliding shaft (62) at the rear leg (122) and a second elastic member connected with the second sliding shaft (62), wherein the two sides of the chair back (3) are respectively provided with the second sliding groove (61), correspondingly, the two sides of the chair back (3) are respectively provided with the rear leg (122), the inner side of the rear leg (122) is provided with the second sliding shaft (62), the second sliding shaft (62) is slidably arranged in the second sliding groove (61), and the second sliding shaft (62) and the second sliding groove (61) are arranged in a one-to-one correspondence; the second elastic member is stretched or contracted in accordance with the reciprocating sliding of the second sliding shaft (62).

7. The suitable chair as claimed in claim 6, wherein the armrest (13) comprises a hollow outer cylinder (131) and an inner rod (132) penetrating into the outer cylinder (131), wherein one end of the outer cylinder (131) abuts against the rear leg (122), the other end of the outer cylinder (131) is detachably connected to the additional plate (4), and the inner rod (132) is connected with a third elastic member and can slide along the outer cylinder (131) in a reciprocating manner;

the additional plate (4) comprises a plate body (41) and a connecting cylinder (42) positioned below the plate body (41), and the connecting cylinder (42) can be inserted into the outer cylinder (131) and pushes the inner rod (132) to slide;

correspondingly, the second sliding shaft (62) comprises a shaft seat (621) positioned on the rear leg (122) and a shaft body (622) fixed on the shaft seat (621), the shaft body (622) is inserted in the second sliding groove (61), the shaft seat (621) is connected with a torsion spring and can rotate, and the shaft body (622) is in an oval shape;

the inner rod (132) slides under the pushing of the connecting cylinder (42) and enables the shaft seat (621) to rotate, so that the large-diameter part of the shaft body (622) is abutted against the second sliding groove (61) to lock the chair back (3).

8. The chair as claimed in claim 7, wherein the lower end of the chair back (3) is provided with a first engaging groove adapted to the seat plate (2), and the lower end of the second sliding groove (61) is provided with a second engaging groove adapted to the major diameter of the shaft body (622).

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