CN210227477U

CN210227477U - Rotary folding chair

Info

Publication number: CN210227477U
Application number: CN201721792238.8U
Authority: CN
Inventors: Xiaoyan Chen; 陈小燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2020-04-03
Anticipated expiration: 2027-12-20

Abstract

The utility model discloses a rotatory folding chair, including base and seatpad, the lower extreme surface movable mounting of base has the universal wheel, and the upper end fixed mounting of base has the cylinder, upper end surface one side of cylinder is provided with the lift control valve, and the upper end surface opposite side fixed mounting of cylinder has elevating system, the lower surface of seatpad and elevating system's upper end fixed surface are connected, and the rear end fixed surface of seatpad installs the back. A rotatory folding chair, be equipped with folding handrail, No. two folding handrails and consolidate the waist and lean on, effectually avoided because the chair handrail blocks the condition that can't put into the desk the inside with the chair, can reduce the occupation space of chair simultaneously, realized the comfortable laminating of personnel with the chair, the effectual aching pain who alleviates the lumbar vertebrae feels, has played certain guard action to personnel's health, brings better use prospect.

Description

Rotary folding chair

Technical Field

The utility model relates to a house equipment field, in particular to rotatory folding chair.

Background

The chair is a tool frequently used in daily life of people, can provide a narrow space for people to have a rest, can relieve feet and legs of people, is full of varieties of linens in the market along with rapid development of science and technology, has more and more functions, not only meets the requirement of people on the rest, but also tends to be humanized in structural design; the existing sofa has certain drawbacks when being used, the chair can occupy a certain space when being used in an office, personnel can habitually push the chair below a desk after leaving work, but if the height of the chair and the height of the desk are not proper, the armrest of the chair can be clamped, the personnel can not push the chair into the desk, a group on duty can sit on the chair for a long time, the waist of the group on duty can be always in a stress state, a long-term backrest can not provide supporting force for the waist of the personnel, the lumbar vertebra of the personnel is tired, the lumbar disc protrusion can be caused for a long time, certain influence is brought to the health of the personnel, and therefore, the rotary folding chair is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a rotatory folding chair can effectively solve the problem among the background art.

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

a rotary folding chair comprises a base and a seat cushion, wherein universal wheels are movably mounted on the outer surface of the lower end of the base, a cylinder is fixedly mounted at the upper end of the base, a lifting control valve is arranged on one side of the outer surface of the upper end of the cylinder, a lifting mechanism is fixedly mounted on the other side of the outer surface of the upper end of the cylinder, the lower surface of the seat cushion is fixedly connected with the outer surface of the upper end of the lifting mechanism, a backrest is fixedly mounted on the outer surface of the rear end of the seat cushion, a breathable grid is fixedly mounted at the middle position of the outer surface of the backrest, a first folding armrest is arranged on the outer surface of one side of the backrest, a second folding armrest is arranged on the outer surface of the other side of the backrest, a reinforcing waist rest is fixedly mounted on the outer surface of the rear end of the backrest, heat dissipation holes are, and the first folding handrail and the second folding handrail are movably connected with the backrest through connecting pins.

Preferably, the number of the universal wheels is four, the universal wheels are respectively arranged at the lower end of the base in parallel, and the outer surfaces of the universal wheels are provided with brake pieces.

Preferably, the lifting control valve is pulled upwards to control the ascending of the chair and pulled downwards to control the descending of the chair, and the number of the heat dissipation holes is a plurality of groups.

Preferably, the rotation angle of the first folding armrest and the second folding armrest can rotate to ninety degrees at most, and the interior of the seat cushion is filled with an inflatable sponge.

Preferably, the inside of cylinder is provided with piston and sealing washer, the upper end surface of folding handrail and No. two folding handrails all is provided with the cavernosum.

Compared with the prior art, the utility model discloses following beneficial effect has: this rotatory folding chair, a folding handrail and No. two folding handrails through setting up, can be rotatory to parallel with the chair back with the handrail, personnel can easily push the chair the desk the inside after finishing using, the effectual condition of can't putting into the desk the inside because the chair handrail blocks, can reduce the occupation space of chair simultaneously, the reinforcement waist that leans on through setting up leans on, its pliability can provide a holding power for personnel's waist, personnel and the comfortable laminating of chair have been realized, the effectual aching pain who alleviates the lumbar vertebrae feels, certain guard action has been played to personnel's health, whole rotatory folding chair simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a rotary folding chair of the present invention.

Fig. 2 is a partial view of the rotary folding chair of the present invention.

Fig. 3 is a partial enlarged view of a position a in fig. 2 of the swivel folding chair of the present invention.

Fig. 4 is an enlarged view of the position B in fig. 2 of the swivel folding chair of the present invention.

In the figure: 1. a universal wheel; 2. a base; 3. a cylinder; 4. a lifting mechanism; 5. a seat cushion; 6. a first folding handrail; 7. a backrest; 8. a second folding armrest; 9. heat dissipation holes; 10. a lift control valve; 11. a connecting pin; 12. reinforcing the waist support; 13. and (4) ventilating grids.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a rotary folding chair comprises a base 2 and a seat cushion 5, wherein universal wheels 1 are movably mounted on the outer surface of the lower end of the base 2, a cylinder 3 is fixedly mounted on the upper end of the base 2, a lifting control valve 10 is arranged on one side of the outer surface of the upper end of the cylinder 3, a lifting mechanism 4 is fixedly mounted on the other side of the outer surface of the upper end of the cylinder 3, the lower surface of the seat cushion 5 is fixedly connected with the outer surface of the upper end of the lifting mechanism 4, a backrest 7 is fixedly mounted on the outer surface of the rear end of the seat cushion 5, a breathable grid 13 is fixedly mounted in the middle position of the outer surface of the backrest 7, a first folding armrest 6 is arranged on the outer surface of one side of the backrest 7, a second folding armrest 8 is arranged on the outer surface of the other side of the backrest 7, a reinforced waist rest, one end of each of the first folding armrest 6 and the second folding armrest 8 is provided with a connecting pin 11, and each of the first folding armrest 6 and the second folding armrest 8 is movably connected with the backrest 7 through the connecting pin 11.

The universal wheels 1 are arranged in four groups and are respectively arranged at the lower end of the base 2 in parallel, and the outer surfaces of the universal wheels 1 are provided with brake pieces; the lifting control valve 10 is pulled upwards to control the ascending of the chair and pulled downwards to control the descending of the chair, and the number of the heat dissipation holes 9 is a plurality of groups; the rotation angles of the first folding handrail 6 and the second folding handrail 8 can be rotated to ninety degrees at most, and the seat cushion 5 is filled with inflatable sponge; the inside of cylinder 3 is provided with piston and sealing washer, and the upper end surface of folding handrail 6 and No. two folding handrails 8 all is provided with the cavernosum.

It should be noted that, the utility model relates to a rotary folding chair, when in use, firstly, a person can adjust the height of the chair to a proper position by pulling the lifting control valve 10 downwards or upwards according to the height of the person, when adjusting the height, the lifting control valve 10 is pulled upwards to make the chair rise, otherwise, the chair is controlled to fall, wherein the lifting mechanism 4 controls the cylinder 3 to do piston motion so as to realize the height lifting of the chair, the cushion 5 of the chair is filled with inflatable sponge, the comfort of the chair is effectively increased, meanwhile, the chair can also realize the rotation of three hundred sixty degrees under the action of the cylinder 13, the person can conveniently communicate with the colleagues at the side without leaving the seat, four groups of universal wheels 1 are arranged in parallel at the lower end of the base 2, the person can conveniently move the whole chair, through the design of a folding armrest 6 and a folding armrest 8, can be rotatory to parallel with the chair back with the handrail, the personnel can easily push the desk the inside with the chair after finishing using, the effectual condition of putting into the desk the inside because the chair handrail blocks can't with the chair, can reduce the occupation space of chair simultaneously, through the reinforcement waist of setting 12, its pliability can be for personnel's waist provides a holding power by force, the comfortable laminating of personnel with the chair has been realized, the effectual aching sensation that has alleviated the lumbar vertebrae, certain guard action has been played to personnel's health, surface at back 7 is provided with ventilative net 13, when summer weather is hot, can be rapidly with the heat transfer of personnel's back giving off, and is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A rotary folding chair, comprising a base (2) and a seat cushion (5), characterized in that: the outer surface of the lower end of the base (2) is movably provided with a universal wheel (1), the upper end of the base (2) is fixedly provided with a cylinder (3), one side of the outer surface of the upper end of the cylinder (3) is provided with a lifting control valve (10), the other side of the outer surface of the upper end of the cylinder (3) is fixedly provided with a lifting mechanism (4), the lower surface of the seat cushion (5) is fixedly connected with the outer surface of the upper end of the lifting mechanism (4), the outer surface of the rear end of the seat cushion (5) is fixedly provided with a backrest (7), the middle position of the outer surface of the backrest (7) is fixedly provided with a breathable grid (13), the outer surface of one side of the backrest (7) is provided with a first folding handrail (6), the outer surface of the other side of the backrest (7) is provided with a second folding handrail (8), the outer surface, and the outer fixed surface of the front end of the backrest (7) is provided with a heat dissipation hole (9), one ends of the first folding handrail (6) and the second folding handrail (8) are respectively provided with a connecting pin (11), and the first folding handrail (6) and the second folding handrail (8) are respectively movably connected with the backrest (7) through the connecting pins (11).

2. A swivel-folding chair as claimed in claim 1, wherein: the number of the universal wheels (1) is four, the universal wheels are respectively arranged at the lower end of the base (2) in parallel, and the outer surfaces of the universal wheels (1) are provided with brake pads.

3. A swivel-folding chair as claimed in claim 1, wherein: the lifting control valve (10) is pulled upwards to control the ascending of the chair and pulled downwards to control the descending of the chair, and the number of the heat dissipation holes (9) is a plurality of groups.

4. A swivel-folding chair as claimed in claim 1, wherein: the rotation angle of the first folding handrail (6) and the second folding handrail (8) can be rotated to ninety degrees at most, and the seat cushion (5) is filled with inflatable sponge.

5. A swivel-folding chair as claimed in claim 1, wherein: the inside of cylinder (3) is provided with piston and sealing washer, the upper end surface of folding handrail (6) and No. two folding handrail (8) all is provided with the cavernosum.