CN218246405U

CN218246405U - Adjustable chair

Info

Publication number: CN218246405U
Application number: CN202222018557.0U
Authority: CN
Inventors: 韦顺玉
Original assignee: Guangning Yingpin Zhizao Furniture Co ltd
Current assignee: Guangning Yingpin Zhizao Furniture Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-10
Anticipated expiration: 2032-08-02

Abstract

The utility model belongs to the technical field of seat regulation, concretely relates to adjustable chair, which comprises a seat plate, a backrest plate, a handrail and seat feet, wherein a rectangular cavity is arranged in the seat plate, a lock disc is arranged in the rectangular cavity, the lock disc is fixed with a first connecting rod, the first connecting rod is fixedly connected with the backrest plate, a positioning rod is fixed in the rectangular cavity, a lock block is arranged on the positioning rod in a sliding manner, a spring is connected between the lock block and the rectangular cavity, a placing groove is arranged on the lock block, a lifting block is hinged in the placing groove, the backrest plate is fixed with a second connecting rod, and an adjusting handle is fixed on the second connecting rod; people can remove the locking of the backboard by pulling the lifting block, and the turnover angle of the backboard can be adjusted according to the requirements of different people, so that the best relaxing effect can be achieved when people have a rest.

Description

Adjustable chair

Technical Field

The utility model belongs to the technical field of the seat is adjusted, concretely relates to chair with adjustable.

Background

Most chairs present appear formula structure as an organic whole, when people have a rest on the chair, because be the reason of sitting, so can't relax completely, and long-time sedentary, still can cause the injury to the human body, cause a series of health diseases, we provide an adjustable chair to this, both can sit the rest as the chair, can be according to people's wish again, adjust the inclination of the back of chair at will, become the deck chair, let people can lie and have a rest on the deck chair, fully alleviate fatigue on people's health, reach the best effect of relaxing with this.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aims to provide an adjustable chair which is used for solving the problems in the background technology.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

an adjustable chair comprises a seat plate, wherein the rear end of the seat plate is arranged in a rectangular opening shape, a backrest plate is arranged in the rectangular opening of the seat plate, two handrails are fixed at the upper end of the seat plate, four seat feet are fixed around the lower end of the seat plate, a locking assembly and an adjusting assembly are arranged in the seat plate, a supporting assembly is arranged at the lower end of the seat plate, the locking assembly comprises a locking disc and a locking block, a rectangular cavity is arranged in the right side of the seat plate, a sliding groove communicated with the rectangular cavity is arranged on the right side of the seat plate, the locking disc is rotatably arranged in the rectangular cavity, a first connecting rod is fixed in the middle of the left end of the locking disc and penetrates through the seat plate to be fixedly connected with the lower side of the backrest plate, and therefore when the backrest plate is turned backwards, the first connecting rod and the locking disc can be driven to rotate clockwise, a positioning rod is fixed on the inner wall of the front end of the rectangular cavity, the rear end of the positioning rod is close to the lock disc, the lock block is sleeved at the rear end of the positioning rod in a sliding manner, a spring is connected between the front end of the lock block and the inner wall of the rectangular cavity, the lock block and the lock disc are mutually matched, due to the connection of the spring, the lock block cannot slide backwards but can slide forwards, the rear end of the lock block and the lock disc are mutually matched, a placing groove is formed in the right side of the lock block, a lifting block is hinged in the placing groove, in an initial state, the lifting block is placed in the placing groove, the lifting block is prevented from being damaged by people, the adjusting assembly comprises an adjusting handle, a second connecting rod is fixed on the lower side of the left end of the backrest plate, the second connecting rod penetrates through the left end of the seat plate, and the adjusting handle is fixedly connected with the left end of the second connecting rod, therefore, when people adjust the angle of the back board, the angle can be manually adjusted according to the needs of the people.

The right end of the lifting block is provided with a semicircular groove communicated with the placing groove, and the left end of the lifting block is provided with a supporting block.

The supporting component comprises a rectangular sliding frame, two sliding rod sleeves are fixed at the lower end of the seat plate, the left end and the right end of the rectangular sliding frame are respectively sleeved in the sliding rod sleeves in a sliding mode, and a supporting plate is fixed to the lower side of the rear end of the rectangular sliding frame.

And a handle is fixed at the rear end of the rectangular sliding frame.

The utility model discloses a back board, including back board, installation quarter butt, the both ends upside all is fixed with the installation quarter butt about the back board all articulated on the installation quarter butt have the installation piece, two be equipped with the installation stock between the installation piece, sliding sleeve is equipped with the back board on the installation stock.

And rubber pads are arranged at the lower ends of the four seat legs.

In this embodiment, people can remove the locking to the back board through pulling forward and carry the piece, the back board just can overturn backward like this, according to different people's demand, adjust back board rotation angle, then loosen and carry the piece, because the elasticity of spring, can promote to carry and draw the piece and remove to the rear end, with this lock to the back board of adjusting, the piece is drawn to carrying of resilience can also take in the seat inboard inside moreover, prevent that people from when the chair, destroy and carry and draw the piece, people just can lie down the rest like this, make the health reach the best effect of relaxing.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the figures.

Fig. 1 is a schematic structural view of an adjustable chair according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional view of an adjustable chair according to the present invention;

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

fig. 4 is a schematic structural view of an adjustable chair according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a second embodiment and a third embodiment of an adjustable chair according to the present invention;

fig. 6 is a schematic view of the adjustable chair structure after adjustment.

The main component symbols are as follows:

the chair comprises a seat plate 100, a backrest plate 101, armrests 102, seat feet 103, a lock disc 104, a lock block 105, a rectangular cavity 106, a first connecting rod 107, a positioning rod 108, a spring 109, a placement groove 110, a lifting block 111, an adjusting handle 112, a second connecting rod 113, a rectangular sliding frame 200, a sliding rod sleeve 201, a support plate 202, a handle 300, a short mounting rod 301, a long mounting rod 302, a long mounting rod 303, a headrest plate 304 and a rubber pad 305.

Detailed Description

In order to make the technical solution of the present invention better understood, the following description is provided for the purpose of illustrating the present invention with reference to the accompanying drawings and embodiments.

Example one

As shown in fig. 1-4, an adjustable chair includes a seat plate 100, a back plate 101 is installed in a rectangular opening of the seat plate 100, two armrests 102 are fixed to an upper end of the seat plate 100, four seat legs 103 are fixed to the periphery of a lower end of the seat plate 100, a locking assembly and an adjusting assembly are arranged in the seat plate 100, a supporting assembly is arranged at a lower end of the seat plate 100, the locking assembly includes a locking disc 104 and a locking block 105, a rectangular cavity 106 is arranged in a right side of the seat plate 100, a sliding groove communicated with the rectangular cavity 106 is arranged on a right side of the seat plate 100, the locking disc 104 is rotatably arranged in the rectangular cavity 106, a first connecting rod 107 is fixed to a middle portion of a left end of the locking disc 104, the first connecting rod 107 penetrates through the seat plate 100 and is fixedly connected to a lower side of the back plate 101, a positioning rod 108 is fixed to an inner wall of a front end of the rectangular cavity 106, a rear end of the locking block 108 is close to the locking disc 104, the locking block 105 is slidably sleeved to a rear end of the positioning rod 108, a spring 109 is connected between the front end of the rectangular cavity 106, the locking block 105 and a right side of the locking disc 105, a positioning rod 110 is provided with a positioning groove, a handle 113, and a positioning rod 113 is hinged to a left end of the adjusting assembly, and a handle 113 is arranged on the left end of the second connecting rod 113, and a handle plate 100, and a handle 113 is hinged to the handle plate 100.

The right end of the lifting block 111 is provided with a semicircular groove communicated with the placing groove 110, and the left end of the lifting block 111 is provided with a supporting block.

In this embodiment, the left side of the interior of the seat plate 100 is provided with an adjusting assembly, and the right side is provided with a locking assembly, which are mutually matched, so as to achieve the purpose of optionally adjusting the angle of the backrest plate 101; because the rear end of the seat plate 100 is arranged in a rectangular opening shape, the backrest plate 101 is arranged in the rectangular opening, when the backrest plate 101 is turned over towards the rear end, the joint of the seat plate 100 and the backrest plate 101 is smooth, so that the situation that people feel uncomfortable when lying down for rest and the rest quality is influenced is prevented, and because the lock block 105 is provided with the placing groove 110, and the inside of the placing groove 110 is hinged with the lifting block 111, the lifting block 111 can be turned into the placing groove 110 when not adjusting or after adjusting is finished, so that the damage to the lifting block 111 caused by carelessness when people pass is prevented;

when a person sits on the chair and needs to adjust the backboard 101: a user holds the adjusting handle 112 with the right hand, and pulls the backrest plate to the right with the left hand extending into the semicircular groove of the lifting block 111, the lifting block 111 is hinged with the placing groove 110, so that the lifting block 111 rotates to the right at the hinged position until the lifting block 111 is perpendicular to the locking block 105, the lifting block 111 is pushed forward, the rectangular cavity 106 is internally fixed with the positioning rod 108, the locking block 105 is sleeved on the positioning rod 108 in a sliding manner, the spring 109 is connected between the locking block 105 and the rectangular cavity 106, the spring 109 is stressed to generate compression deformation, the lifting block 111 drives the locking block 105 to slide forward, the locking block 105 is released from locking the locking disc 104, the backrest plate 101 can be turned over, then the user applies pressure to the backrest plate 101 to turn the backrest plate 101 backward, the backrest plate 101 is slowly turned over by means of the adjusting handle 112, when the backrest plate 101 is turned over to a proper position, the left hand is released from the lifting block 111, the compressed spring 109 can restore, the locking block 105 is pushed to be inserted into the locking disc 104, and the backrest plate 101 cannot be turned over, so that the backrest plate 101 cannot be adjusted;

in this embodiment, people can remove the locking to the back board through pulling the lifting block, adjust back board rotation angle according to different people's demand, reach the best effect of relaxing when letting people have a rest.

Example two

On the basis of the first embodiment, the supporting component is further described, as shown in fig. 4-5, the supporting component includes a rectangular sliding frame 200, two sliding rod sleeves 201 are fixed at the lower end of the seat plate 100, the left and right ends of the rectangular sliding frame 200 are respectively slidably sleeved in the two sliding rod sleeves 201, and a supporting plate 202 is fixed at the lower side of the rear end of the rectangular sliding frame 200.

In this embodiment, the left and right ends of the rectangular sliding frame 200 are respectively slidably sleeved in the two sliding rod sleeves 201, and the supporting plate 202 is fixed on the lower side of the rear end of the rectangular sliding frame 200, so that after people adjust the backboard 101, the rectangular sliding frame 200 is pulled backwards, the front and rear ends of the rectangular sliding frame 200 limit the sliding rod sleeves 201 from sliding out, until the rectangular sliding frame 200 cannot slide, the supporting plate 202 can support the rear of the chair regardless of the overturn angle of the backboard 101, and the chair is prevented from being overturned backwards to hurt the human body when people lie down.

EXAMPLE III

On the basis of the second embodiment, functional components are further explained, as shown in fig. 5-6, a handle 300 is fixed at the rear end of the rectangular sliding frame 200; mounting short rods 301 are fixed on the upper sides of the left end and the right end of the backboard 101, mounting blocks 302 are hinged to the two mounting short rods 301, a long mounting rod 303 is arranged between the two mounting blocks 302, and a headrest plate 304 is slidably sleeved on the long mounting rod 303; rubber pads 305 are mounted at the lower ends of the four seat legs 103.

In this embodiment, a person can pull the handle 300 by hand to slide the rectangular sliding frame 200 backward and quickly out, and can pull the handle 300 to push forward to slide the rectangular sliding frame 200 into the lower end of the seat plate 100; when people need to have a rest, the back rest plate 304 can be turned over to the front end of the back rest plate 101, so that the neck is prevented from being suspended and uncomfortable when people have a rest; rubber pad 305 of seat foot 103 lower extreme equal installation when people sit down, can not produce the noise, influences other people and has had a rest, has also increased the frictional force between rubber pad 305 and the ground simultaneously, prevents that the chair from skidding, causes the injury to the human body.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a chair with adjustable, includes the seat board, the seat board rear end sets up to the rectangle opening form, install the back board in the rectangle opening of seat board, the seat board upper end is fixed with two handrails, the seat board lower extreme is fixed with four seat feet, its characterized in that all around: a locking assembly and an adjusting assembly are arranged in the seat plate, and a supporting assembly is arranged at the lower end of the seat plate;

the locking assembly comprises a locking disc and a locking block, a rectangular cavity is arranged in the right side of the seat plate, a sliding chute communicated with the rectangular cavity is arranged on the right side of the seat plate, the locking disc is rotatably arranged in the rectangular cavity, a first connecting rod is fixed in the middle of the left end of the locking disc, penetrates through the seat plate and is fixedly connected with the lower side of the backrest plate, a positioning rod is fixed on the inner wall of the front end of the rectangular cavity, the rear end of the positioning rod is close to the locking disc, the locking block is sleeved at the rear end of the positioning rod in a sliding manner, a spring is connected between the front end of the locking block and the inner wall of the rectangular cavity, the locking block and the locking disc are mutually matched, a placement groove is formed in the right side of the locking block, and a lifting block is hinged in the placement groove;

the adjusting part comprises an adjusting handle, a second connecting rod is fixed on the lower side of the left end of the backrest plate, the second connecting rod penetrates through the left end of the seat plate, and the adjusting handle is fixedly connected with the left end of the second connecting rod.

2. An adjustable chair according to claim 1, wherein: the right end of the lifting block is provided with a semicircular groove communicated with the placing groove, and the left end of the lifting block is provided with a supporting block.

3. An adjustable chair according to claim 2, wherein: the supporting component comprises a rectangular sliding frame, two sliding rod sleeves are fixed at the lower end of the seat plate, the left end and the right end of the rectangular sliding frame are respectively sleeved in the sliding rod sleeves in a sliding mode, and a supporting plate is fixed to the lower side of the rear end of the rectangular sliding frame.

4. An adjustable chair according to claim 3, wherein: and a handle is fixed at the rear end of the rectangular sliding frame.

5. An adjustable chair according to claim 4, wherein: the utility model discloses a back board, including back board, installation quarter butt, the both ends upside all is fixed with the installation quarter butt about the back board all articulated on the installation quarter butt have the installation piece, two be equipped with the installation stock between the installation piece, sliding sleeve is equipped with the back board on the installation stock.

6. An adjustable chair according to claim 5, wherein: and rubber pads are arranged at the lower ends of the four seat legs.