CN219047864U

CN219047864U - Chair convenient for sitting up

Info

Publication number: CN219047864U
Application number: CN202320251287.XU
Authority: CN
Inventors: 苏建民; 苏兆瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-05-23
Anticipated expiration: 2033-02-20

Abstract

The utility model belongs to the technical field of seats, and discloses a seat convenient to sit up. The main technical characteristics are as follows: the chair comprises a chair surface, a chair back, front chair legs, rear chair legs and armrests, wherein a transverse orange is arranged between the front chair legs and the rear chair legs, the chair surface comprises a front chair surface positioned in front and a rear chair surface positioned behind the front chair surface, and the joint of the front chair surface and the rear chair surface is movably connected through a hinge; the seat fixing piece and the seat leg fixing piece are provided with connecting pieces, a transverse connecting rod is arranged below the front seat behind the seat fixing piece, pneumatic cylinders are arranged on transverse orange on two sides, an output ejector rod of each pneumatic cylinder is movably connected with the transverse connecting rod, an opening and closing locking mechanism is arranged on the transverse orange, and the transverse orange is connected with the second pull rod through the opening and closing locking mechanism. When a user sitting on the seat stands up, the buttocks are not separated from the joint of the front seat surface and the rear seat surface all the time, the user is not easy to slide and incline, and the user does not need to move the buttocks back and forth when sitting on the seat from a standing state, so that the use is more comfortable and convenient.

Description

Chair convenient for sitting up

Technical Field

The utility model belongs to the technical field of seats, and particularly relates to a seat convenient to sit up.

Background

The seat that uses at present includes seat, back of the chair, preceding chair leg, back chair leg and handrail be provided with the horizontal orange between preceding chair leg and the back chair leg, for the old person of physical weakness or the patient of waist belly disease, when sitting to the seat from the seat on standing or from standing, because the reason of waist belly disease, under the state that the shank can not stand straight, the user can not accomplish sitting down or standing up smoothly and move, easily cause to fall down because of the body slope. In order to assist a user to stand or sit down, the front end of the chair surface is movably connected with chair legs, a pneumatic cylinder is arranged below the chair surface, a push rod of the pneumatic cylinder is positioned below the chair surface, when the user needs to sit up, the push rod of the pneumatic cylinder extends out, the back direction of the chair surface is turned forward, the body of the user slowly rises along with buttocks, legs are gradually in a standing state, when the user needs to sit down, the buttocks of the user are attached to the front end of the inclined chair surface, the chair surface is slowly extruded downwards and backwards, the pneumatic cylinder is retracted under pressure, and the chair surface is slowly restored to a horizontal state. The above seat has the following drawbacks: firstly, in the standing process of a user, the back of the chair surface is gradually lifted forwards and upwards, the whole chair surface is in an inclined state, the user easily falls down from the chair surface, and the safety performance is poor; secondly, when sitting down from a standing state, the buttocks of the user are often closer to the rear of the seat surface, and in the process of moving backwards and downwards in the rear direction of the seat surface, the buttocks of the user are too close to the rear of the seat surface, so that the seat surface is affected to fall down, and the buttocks need to be moved forwards of the seat surface again; thirdly, the seat is wholly inclined, when sitting down, the user sticks to the inclined seat, the user is difficult to back-press the pneumatic cylinder, the back of the seat is pushed by hands or the auxiliary completion of nursing staff is needed, and the use is inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a seat which has good safety performance and is comfortable to use and convenient to sit up.

In order to solve the problems, the utility model adopts the technical scheme that the seat convenient for sitting up comprises: including seat, back of the chair, preceding chair leg, back chair leg and handrail be provided with horizontal orange, its characterized in that between preceding chair leg and the back chair leg: the chair surface comprises a front chair surface positioned in front and a rear chair surface positioned behind the front chair surface, and the joint of the front chair surface and the rear chair surface is movably connected through a hinge; a seat fixing piece is arranged below the front surface close to the front seat, a seat leg fixing piece is arranged on the front seat leg, connecting pieces are arranged on the seat fixing piece and the seat leg fixing piece, two ends of each connecting piece are movably connected with the seat fixing piece and the seat leg fixing piece through pin shafts, a transverse connecting rod is arranged below the front seat behind the seat fixing piece, pneumatic cylinders are arranged on transverse orange on two sides, an output ejector rod of each pneumatic cylinder is movably connected with the transverse connecting rod, and a base of each pneumatic cylinder is movably connected with the transverse orange; a first pull rod is movably connected to the middle part of the rear chair surface in the front-rear direction, a second pull rod is movably connected to the chair leg fixing piece, and the first pull rod and the second pull rod are movably connected through a pin shaft; the transverse orange is provided with a limiting piece, the transverse orange is provided with an opening and closing locking mechanism, and the transverse orange is connected with the second pull rod through the opening and closing locking mechanism.

The additional technical characteristics are as follows:

the rear end of the armrest is movably connected with the chair back through a pin shaft, a vertical rod is movably connected below the front end of the armrest, and the lower end of the vertical rod is movably connected with the two ends of the transverse connecting rod;

the opening and closing locking mechanism comprises a lock body and a lock tongue, and a deflector rod connected with the lock tongue is arranged on the lock body;

the front chair surface and the back chair surface are provided with a stool hole.

Compared with the prior art, the seat convenient to sit up has the following advantages: firstly, the chair comprises a chair surface, a chair back, front chair legs, rear chair legs and armrests, wherein a transverse orange is arranged between the front chair legs and the rear chair legs, the chair surface comprises a front chair surface positioned in front and a rear chair surface positioned behind the front chair surface, and the joint of the front chair surface and the rear chair surface is movably connected through a hinge; a seat fixing piece is arranged below the front surface close to the front seat, a seat leg fixing piece is arranged on the front seat leg, connecting pieces are arranged on the seat fixing piece and the seat leg fixing piece, two ends of each connecting piece are movably connected with the seat fixing piece and the seat leg fixing piece through pin shafts, a transverse connecting rod is arranged below the front seat behind the seat fixing piece, pneumatic cylinders are arranged on transverse orange on two sides, an output ejector rod of each pneumatic cylinder is movably connected with the transverse connecting rod, and a base of each pneumatic cylinder is movably connected with the transverse orange; a first pull rod is movably connected to the middle part of the rear chair surface in the front-rear direction, a second pull rod is movably connected to the chair leg fixing piece, and the first pull rod and the second pull rod are movably connected through a pin shaft; the limiting piece is arranged on the transverse orange, the opening and closing locking mechanism is arranged on the transverse orange, the transverse orange and the second pull rod are connected through the opening and closing locking mechanism, when a user sitting on the seat intends to lift, the opening and closing locking mechanism is firstly opened, the output ejector rod of the pneumatic cylinder pushes the transverse connecting rod below the front seat surface, the front end of the front seat surface is movably connected with the front seat leg through the connecting piece, the rear end of the front seat surface moves forwards and upwards, the front end of the rear seat surface and the rear end of the front seat surface move forwards and upwards together, meanwhile, the first pull rod and the second pull rod drive the rear seat surface, the rear seat surface is basically in a horizontal state or the front end is slightly inclined downwards, so that a user slowly stands, buttocks are not separated from the joint of the front seat surface and the rear seat surface all the time, the user is not easy to slide and incline, the use is safer, the buttocks of the user are positioned between the front seat surface and the rear seat surface when sitting on the seat from the standing state, the rear seat surface is basically in the horizontal state, the pneumatic cylinder can be conveniently pressed down by depending on the weight of the user, in addition, the buttocks are just positioned in the middle of the seat surface in the sitting process, the buttocks do not need to be moved forwards and backwards, and the use is more comfortable and convenient; secondly, as the rear end of the armrest is movably connected with the chair back through a pin shaft, a vertical rod is movably connected below the front end of the armrest, the lower end of the vertical rod is movably connected with the two ends of the transverse connecting rod, and the front end of the armrest is lifted along with the body of a user when the chair surface and the body of the user are lifted, so that the hand of the user always grabs the armrest, and the user is prevented from falling down due to insufficient waist and abdomen strength; because the upper body can be gradually lifted while the user stands, if the armrest is not moved, the hands of the user are separated from the armrest, and the hands cannot exert force when the body tilts or falls down; thirdly, because the opening and closing locking mechanism comprises a lock body and a lock tongue, a deflector rod connected with the lock tongue is arranged on the lock body, when a user sits on the seat, the lock tongue pops up, the opening and closing locking mechanism is in a locking state, at the moment, even if the user lifts the buttocks from the seat, the seat surface can not jack up, and only when the user intends to stand, the opening and closing locking mechanism is started, the lock tongue is retracted, the output ejector rod of the pneumatic cylinder is pushed forward, the seat surface is lifted, and the use is safer and more convenient; fourth, because the toilet holes are arranged on the front seat and the rear seat, the toilet seat can be used as a toilet seat, and the application range is wider.

Drawings

FIG. 1 is a schematic view of the present utility model with a seating surface raised for easy seating;

FIG. 2 is a schematic view of the structure of a seat surface for easy sitting down;

fig. 3 is a schematic view of the structure of the chair with a hole for the toilet.

Description of the embodiments

The construction and principles of use of the easy-to-sit chair of the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 and 2, the seat convenient for sitting comprises a seat surface 1, a seat back 2, front seat legs 3, rear seat legs 4 and armrests 5, wherein a transverse orange 6 is arranged between the front seat legs 3 and the rear seat legs 4, the seat surface 1 comprises a front seat surface 7 positioned in front and a rear seat surface 8 positioned behind the front seat surface 7, and the joint of the front seat surface 7 and the rear seat surface 8 is movably connected through a hinge 9; the chair comprises a chair seat 7, a chair seat fixing plate 10, chair leg fixing plates 11, a connecting piece 12, a chair seat fixing plate 10 and chair leg fixing plates 11, a transverse connecting rod 14, a pneumatic cylinder 15, a push rod 16 and a transverse orange 6, wherein the chair seat fixing plate 10 is arranged below the front face close to the front chair seat 7, the chair leg fixing plates 11 are arranged on the front chair leg 3, the connecting piece 12 is movably connected with the chair seat fixing plate 10 and the chair leg fixing plates 11 through a pin shaft 13 at two ends, the transverse connecting rod 14 is arranged below the front chair seat 3 behind the chair seat fixing plate 10, the pneumatic cylinder 15 is arranged on the transverse orange 6 at two sides, and an output push rod 16 of the pneumatic cylinder 15 is movably connected with the transverse orange 6. Of course, the output ejector rod 16 of the pneumatic cylinder 15 may be movably connected with the transverse connecting rod 14, and the base of the pneumatic cylinder 15 may be movably connected with the transverse orange 6.

A first pull rod 17 is movably connected to the middle part of the back and forth direction near the lower part of the back seat 8, a second pull rod 18 is movably connected to the leg fixing piece 11, and the first pull rod 17 and the second pull rod 18 are movably connected through a pin shaft. The transverse orange 6 is provided with a limiting piece 19, the transverse orange 6 is provided with an opening and closing locking mechanism 20, and the transverse orange 6 is connected with the second pull rod 18 through the opening and closing locking mechanism 20.

When a user sitting on the seat intends to rise, the opening and closing locking mechanism 20 is firstly opened, the output ejector rod 16 of the pneumatic cylinder 15 is pushed forward by the transverse connecting rod 14 below the front seat surface 7, the front end of the front seat surface 7 is movably connected with the front seat legs 3 through the connecting piece 12, the rear end of the front seat surface 7 moves forwards and upwards, the front end of the rear seat surface 8 and the rear end of the front seat surface move forwards and upwards together, meanwhile, the first pull rod 17 and the second pull rod 18 drive the rear seat surface 8, so that the rear seat surface 8 is basically in a horizontal state or the front end is slightly inclined downwards, thus, the user slowly stands, the buttocks are not separated from the joint of the front seat surface 7 and the rear seat surface 8, the buttocks are not easy to slide and incline, the use is safer, the buttocks of the user are positioned between the front seat surface 7 and the rear seat surface 8 when sitting on the seat from the standing state, the buttocks are basically in the horizontal state, the pneumatic cylinder 15 can be conveniently pressed down by the user, and the buttocks are not required to move just in the sitting down process, and the middle part is not required to be more convenient to move the buttocks.

The back end of the armrest 5 is movably connected with the chair back 2 through a pin shaft, a vertical rod 21 is movably connected below the front end of the armrest 5, the lower end of the vertical rod 21 is movably connected with two ends of the transverse connecting rod 14, and the front end of the armrest 5 is lifted along with the body of a user when the chair surface and the body of the user are lifted, so that the hand of the user always grabs the armrest, and the user is prevented from falling down due to insufficient waist and abdomen force; because the upper body can be gradually lifted while the user stands, if the armrest is not moved, the hands of the user are separated from the armrest, and the hands cannot exert force when the body tilts or falls down.

The opening and closing locking mechanism 20 comprises a lock body 201 and a lock tongue 202, a deflector rod 203 connected with the lock tongue 202 is arranged on the lock body 201, when a user sits on the seat, the lock tongue pops up, the opening and closing locking mechanism is in a locking state, at the moment, even if the user lifts buttocks from the seat, the seat surface can not jack up, when the user only intends to stand, the opening and closing locking mechanism is started, the lock tongue is retracted, the output ejector rod of the pneumatic cylinder is pushed forward, the seat surface is lifted, and the use is safer and more convenient.

As shown in fig. 3, the front seat 7 and the rear seat 8 are provided with the toilet holes 22, which can be used as a toilet seat and has a wider application range.

The scope of the present utility model is not limited to the above embodiments only, and it is within the scope of the present utility model as long as the structure is the same as or similar to the seat structure of the present utility model for easy sitting.

Claims

1. Seat convenient to play and sit, including seat, back of the chair, preceding chair leg, back chair leg and handrail be provided with horizontal orange, its characterized in that between preceding chair leg and the back chair leg: the chair surface comprises a front chair surface positioned in front and a rear chair surface positioned behind the front chair surface, and the joint of the front chair surface and the rear chair surface is movably connected through a hinge;

a seat fixing piece is arranged below the front surface close to the front seat, a seat leg fixing piece is arranged on the front seat leg, connecting pieces are arranged on the seat fixing piece and the seat leg fixing piece, two ends of each connecting piece are movably connected with the seat fixing piece and the seat leg fixing piece through pin shafts, a transverse connecting rod is arranged below the front seat behind the seat fixing piece, pneumatic cylinders are arranged on transverse orange on two sides, an output ejector rod of each pneumatic cylinder is movably connected with the transverse connecting rod, and a base of each pneumatic cylinder is movably connected with the transverse orange;

a first pull rod is movably connected to the middle part of the rear chair surface in the front-rear direction, a second pull rod is movably connected to the chair leg fixing piece, and the first pull rod and the second pull rod are movably connected through a pin shaft;

the transverse orange is provided with a limiting piece, the transverse orange is provided with an opening and closing locking mechanism, and the transverse orange is connected with the second pull rod through the opening and closing locking mechanism.

2. The easy-to-sit chair of claim 1, wherein: the back end of the armrest is movably connected with the chair back through a pin shaft, a vertical rod is movably connected under the front end of the armrest, and the lower end of the vertical rod is movably connected with the two ends of the transverse connecting rod.

3. The easy-to-sit chair of claim 1, wherein: the opening and closing locking mechanism comprises a lock body and a lock tongue, and a deflector rod connected with the lock tongue is arranged on the lock body.

4. The easy-to-sit chair of claim 1, wherein: the front chair surface and the back chair surface are provided with a stool hole.