CN113749452A

CN113749452A - Multifunctional chair

Info

Publication number: CN113749452A
Application number: CN202010492573.6A
Authority: CN
Inventors: 樊敏达; 李智超
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-12-07

Abstract

The invention discloses a multifunctional chair, which comprises a bracket, wherein the bracket is provided with a seat board, a left handrail and a right handrail, the left handrail is provided with a left connecting piece, the left connecting piece comprises a fixed rod, a positioning block, a limiting shaft and a connecting rod, the fixed rod is fixedly arranged on the left handrail, the positioning block and the limiting shaft are fixedly arranged on the left handrail, the top surface of the positioning block is provided with a positioning groove, the connecting rod is provided with a limiting groove, the limiting shaft is inserted into the limiting groove, the right handrail is provided with a right connecting piece, a backup plate is arranged between the left connecting piece and the right connecting piece, the left side of the backup plate is fixedly connected on the connecting rod, the invention has simple structure, the shape can be freely changed, the chair can be used as a chair, the ladder can be used as a ladder, the convenience and the flexibility are realized, and the functions are more diversified.

Description

Multifunctional chair

Technical Field

The invention relates to furniture, in particular to a multifunctional chair.

Background

The chair is as a furniture that uses in the daily family life, and its structure, function are comparatively single, get at the eminence at daily life people and get article or change the bulb, can stand sometimes and use as the ladder on the chair, but traditional chair height is limited, can not reach required height, and people can stack other article again in the chair in order to improve whole height, have the potential safety hazard during the use, the incident appears easily.

Disclosure of Invention

The present invention is directed to a multifunctional chair, which solves one or more of the problems of the prior art and provides at least one of the advantages of the multifunctional chair.

The solution of the invention for solving the technical problem is as follows:

a multifunctional chair comprises a support, wherein a seat board, a left handrail and a right handrail are arranged on the support, the left handrail is positioned on the left side of the seat board, the right handrail is positioned on the right side of the seat board, a left connecting piece is arranged on the left handrail, the left connecting piece comprises a fixed rod, a positioning block, a limiting shaft and a connecting rod, the fixed rod is fixedly arranged on the left handrail, the positioning block and the limiting shaft are fixedly arranged on the left handrail, the top surface of the positioning block is provided with a positioning groove, the limiting shaft is positioned above the positioning groove, the limiting shaft extends along the left and right directions, a limiting groove is arranged on the connecting rod, the limiting shaft is inserted into the limiting groove, the connecting rod rotates around the limiting shaft, a right connecting piece is arranged on the right handrail, and a backup plate is arranged between the left connecting piece and the right connecting piece, the left side fixed connection of backup plate in on the connecting rod, right side connecting piece with left side connecting piece is bilateral symmetry structure, when the connecting rod is located the stroke top, the bottom of connecting rod inserts in the constant head tank, when the connecting rod is located the stroke end, the connecting rod breaks away from the constant head tank, a side of connecting rod with the top surface of left side handrail offsets.

The technical scheme at least has the following beneficial effects: the left connecting piece and the right connecting piece have the same using mode because of the bilateral symmetry structure, when the connecting rod is at the stroke initial end, the bottom end of the connecting rod is inserted into the positioning groove, so that the connecting rod can not rotate around the limiting shaft, the back plate can not turn over, at the moment, the chair is in a normal using state, a person can sit on the seat plate and lean against the back plate, when the person needs to stand on the chair, the connecting rod can be lifted upwards to be separated from the positioning groove, so that the connecting rod can rotate around the limiting shaft, when the connecting rod is at the stroke end, the side surface of the connecting rod is abutted against the top surface of the left armrest, the connecting rod can be supported by using the left armrest, at the moment, the back plate can be used as a stress surface to form a stable stress structure, and the person can directly step on the back plate to stand higher to reach the required height, therefore, the multifunctional chair is simple in structure, can be freely changed in shape, can be used as a chair and a ladder, and is very convenient and flexible, and the functions are more diversified.

As a further improvement of the above technical scheme, the left connecting piece further comprises an anti-falling block, the anti-falling block is fixedly connected to the left end face of the limiting shaft, and the outer diameter of the anti-falling block is larger than the width of the limiting shaft. The anticreep piece can make the connecting rod can not break away from out the spacing axle, and overall structure is more stable.

As a further improvement of the technical scheme, the bottom end surface of the connecting rod is an arc surface. The edges and corners of the bottom end of the connecting rod are prevented from colliding with the positioning grooves when the connecting rod is inserted into the positioning grooves, and the movement is smoother.

As a further improvement of the technical scheme, the bottom surface shape of the positioning groove is matched with the bottom end surface shape of the connecting rod. The constant head tank can be injectd the position of connecting rod better, avoids the connecting rod to rock after inserting the constant head tank.

As a further improvement of the above technical solution, the top surfaces of the left armrest and the right armrest are both provided with protective pads. When using as the chair, the people can put the hand on the protection pad, and is more comfortable when using, when using as the ladder, the protection pad can avoid connecting rod and left handrail direct collision, makes connecting rod or left handrail cause the damage.

As a further improvement of the technical scheme, the seat board is detachably connected with the bracket. The seat board or the bracket can be conveniently disassembled and maintained.

As a further improvement of the technical scheme, the seat board is provided with a hanging buckle. Can be used for hanging clothes, bags and other objects on the hanging buckle, and is very convenient.

As a further improvement of the technical scheme, the hanging buckle is detachably connected with the seat board. The hanging buckle can be freely disassembled and assembled, and the use is more flexible.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an overall left side view of the connecting rod of the present invention at the beginning of its travel;

fig. 2 is an overall left side view of the connecting rod of the present invention at the end of its travel.

In the drawings: 100-bracket, 200-seat board, 300-left handrail, 410-fixed rod, 420-positioning block, 430-connecting rod, 431-limiting groove and 500-backup plate.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 and 2, a multifunctional chair includes a bracket 100, the bracket 100 is provided with a seat plate 200, a left armrest 300 and a right armrest, the left armrest 300 is located at the left side of the seat plate 200, the right armrest is located at the right side of the seat plate 200, the left armrest 300 is provided with a left connecting member, the left connecting member includes a fixing rod 410, a positioning block 420, a limiting shaft and a connecting rod 430, the fixing rod 410 is fixedly disposed on the left armrest 300, the positioning block 420 and the limiting shaft are fixedly disposed on the left armrest 300, the top surface of the positioning block 420 is provided with a positioning groove, the limiting shaft is located above the positioning groove, the limiting shaft extends along the left-right direction, the connecting rod 430 is provided with a limiting groove 431, the limiting shaft is inserted into the limiting groove 431, the connecting rod 430 rotates around the limiting shaft, and the right armrest is provided with a right connecting member, the left side connecting piece with be provided with backup plate 500 between the right side connecting piece, the left side fixed connection of backup plate 500 in on the connecting rod 430, the right side connecting piece with the left side connecting piece is bilateral symmetry structure, when the connecting rod 430 is located the stroke top, the bottom of connecting rod 430 inserts in the constant head tank, when the connecting rod 430 is located the stroke end, the connecting rod 430 breaks away from the constant head tank, a side of connecting rod 430 with the top surface of left handrail 300 offsets.

As can be seen from the above, the present invention has two usage forms, because the left connecting member and the right connecting member are in a bilateral symmetry structure, the left connecting member and the right connecting member have the same usage mode, when the connecting rod 430 is located at the beginning of the stroke, the bottom end of the connecting rod 430 is inserted into the positioning groove, so that the connecting rod 430 cannot rotate around the limiting shaft, the backup plate 500 cannot turn over, the chair is in a normal usage state at this time, a person can sit on the seat plate 200 and lean on the backup plate 500, when the person needs to stand on the chair, the connecting rod 430 can be lifted up to be separated from the positioning groove, so that the connecting rod 430 can rotate around the limiting shaft, when the connecting rod 430 is located at the end of the stroke, the side surface of the connecting rod 430 abuts against the top surface of the left armrest 300, the connecting rod 430 can be supported by the left armrest 300, at this time, the backup plate 500 can be used as a stress surface, a stable stress structure is formed, and the person can directly step on the backup plate 500, the multifunctional chair has the advantages that the height of the chair is higher, so that the height is required, the structure is simple, the shape can be freely changed, the chair can be used as a chair and a ladder, the chair is very convenient and flexible, and the functions are more diversified.

In some embodiments, the left connecting member further includes an anti-falling block, the anti-falling block is fixedly connected to the left end surface of the limiting shaft, and the outer diameter of the anti-falling block is greater than the width of the limiting shaft. The anti-falling block can prevent the connecting rod 430 from being separated from the limiting shaft, and the whole structure is more stable.

In some embodiments, the bottom end surface of the connecting rod 430 is a circular arc surface. When the connecting rod 430 is inserted into the positioning groove, the collision between the corner at the bottom end of the connecting rod 430 and the positioning groove is avoided, and the movement is smoother.

In some embodiments, the bottom surface of the positioning groove and the bottom end surface of the connecting rod 430 are mutually matched in shape. The positioning groove can better limit the position of the connecting rod 430, and the connecting rod 430 is prevented from shaking after being inserted into the positioning groove.

In some embodiments, the top surface of the left armrest 300 and the top surface of the right armrest are both provided with protective pads. When the chair is used as a chair, a person can put hands on the protective pad, the chair is more comfortable to use, and when the chair is used as a ladder, the protective pad can prevent the connecting rod 430 from directly colliding with the left handrail 300, so that the connecting rod 430 or the left handrail 300 is damaged.

In some embodiments, the seat plate 200 is detachably connected to the bracket 100. The seat plate 200 or the bracket 100 can be conveniently disassembled and maintained.

In some embodiments, the seat plate 200 is provided with a hanging buckle. Can be used for hanging clothes, bags and other objects on the hanging buckle, and is very convenient.

In some embodiments, the hanging buckle is detachably connected with the seat board 200. The hanging buckle can be freely disassembled and assembled, and the use is more flexible.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. A multifunctional chair is characterized in that: comprises a bracket (100), a seat board (200), a left handrail (300) and a right handrail are arranged on the bracket (100), the left handrail (300) is positioned at the left side of the seat board (200), the right handrail is positioned at the right side of the seat board (200), a left connecting piece is arranged on the left handrail (300), the left connecting piece comprises a fixing rod (410), a positioning block (420), a limiting shaft and a connecting rod (430), the fixing rod (410) is fixedly arranged on the left handrail (300), the positioning block (420) and the limiting shaft are fixedly arranged on the left handrail (300), a positioning groove is arranged on the top surface of the positioning block (420), the limiting shaft is positioned above the positioning groove, the limiting shaft extends along the left and right direction, a limiting groove (431) is arranged on the connecting rod (430), and the limiting shaft is inserted into the limiting groove (431), connecting rod (430) wind spacing axle rotates, be provided with right connecting piece on the handrail of the right side, left side connecting piece with be provided with backup plate (500) between the connecting piece of the right side, the left side fixed connection of backup plate (500) in on connecting rod (430), right side connecting piece with left side connecting piece is bilateral symmetry structure, when connecting rod (430) are located the stroke top, insert the bottom of connecting rod (430) in the constant head tank, when connecting rod (430) are located the stroke end, connecting rod (430) break away from the constant head tank, a side of connecting rod (430) with the top surface of left side handrail (300) offsets.

2. A multifunctional chair as claimed in claim 1, wherein: the left connecting piece further comprises an anti-falling block, the anti-falling block is fixedly connected to the left end face of the limiting shaft, and the outer diameter of the anti-falling block is larger than the width of the limiting shaft.

3. A multifunctional chair as claimed in claim 1, wherein: the bottom end surface of the connecting rod (430) is an arc surface.

4. A multifunctional chair as claimed in claim 3, wherein: the bottom surface shape of the positioning groove is matched with the bottom end surface shape of the connecting rod (430).

5. A multifunctional chair as claimed in claim 1, wherein: the top surface of the left handrail (300) and the top surface of the right handrail are both provided with protective pads.

6. A multifunctional chair as claimed in claim 1, wherein: the seat board (200) is detachably connected with the bracket (100).

7. A multifunctional chair as claimed in claim 1, wherein: the seat board (200) is provided with a hanging buckle.

8. The multifunctional chair according to claim 7, wherein: the hanging buckle is detachably connected with the seat board (200).