KR200306819Y1 - Chair use operation - Google Patents

Abstract

The present invention relates to a backrest chair for work, and a conventional general swivel chair is used as a majority of office chairs in which the backrest and the seat plate are integrally rotated at the same time, and the fixed chair is fixed to the floor by a glide installed on the leg. As the seat and backrest are integrated in the frame, it is a non-rotating configuration, and it is used as a school chair, dining chair, and work chair of an assembly plant.

When the swivel chair is used in a restaurant, for example, the chair is rotated and anxious about meals, and when the user rotates while sitting, the backrest causes inconvenience to the next person. There was an improvement in the office chair that generates noise on the floor when the chair was moved and moved.

In order to solve the above problems, the chair leg 110 and the footrest 120 having a glide fixed to the floor is installed, and the chair holder 100 is provided with a gas cylinder 130 therein And, the upper body of the chair support body to the backrest so that only the backrest is rotated separately, and the elevating and separately on the upper end of the spindle 140 of the gas cylinder installed in the chair supporter By providing a backrest chair for work composed of a lift / swivel seat 300 that is installed in a rotational motion, the height of the lift / swivel seat can be adjusted to the worker's body by the operator's sitting position, and the seat rotates to make It improves work efficiency by lowering worker's fatigue by adjusting the working direction and height to the worker working in a sitting position, and sitting on a chair by allowing the backrest and the seat to rotate separately. Stand by gigabyte convenient and workplaces of course, also provide a useful working back chair for dining room chairs and chairs for schools.

Description

Backrest Chair {Chair use operation}

The present invention relates to a backrest chair for work, and a chair member and a foot rest fixed to the floor and a gas cylinder is installed, the tubular member for fixing the backrest to be rotated separately to the top exterior of the chair holder; By providing a work-back chair composed of a lift / swivel seat that is lifted and rotated separately on the upper end of the spindle of the gas cylinder installed in the chair support body, the height of the lift / turn seat is adjusted by the operator's sitting position. It can fit to the worker's body and rotate the seat and adjust the working direction and height in the posture of sitting for a long time, which makes the work easier and lowers the fatigue of work, improving the work efficiency, and allowing the backrest and the seat to be rotated separately. It is convenient to sit on and stand up, making it useful not only as a chair in the workplace but also as a dining chair and a school chair. Use it for working the back seat to provide can.

In the conventional workshop, such as assembly plants, the backrest chairs are generally used as a backrest chair that is fixed to the floor without a caster installed.

These, back chairs are impossible to rotate the seat, and when the chair is rotated in a sitting position, when dragging the back chair or moving the back chair is attracted to the floor, the sound is attracted to the floor, noise pollution and There was also a problem that gave inconvenience to the next person.

In recent years, as an example of a swivel chair without a wheel on the chair leg, an insertion hole 3 is formed in the center of the upper plate 2 of the plastic chair main body 1 without a back, and an insertion tube inserted into the upper plate is inserted. As the plastic swivel chair (registered utility model No. 20-2002-0275560) where only the seat is rotated by installing the seat plate 9 having the lower side formed therein (6), a swivel chair without a backrest has been disclosed, but it is inconvenient to sit for a long time. . In addition, as a backrest, a magnet is mounted on a rotating disk cushion (magnetic float) of a synthetic resin, and a rotating disk plastic swivel chair and a rotating disk system are provided with a magnetic field in which the rotating disk cushion and the backrest are integrated (Public Patent Publication No. 10-1990). -0002741) is also disclosed, and the chair having a backrest-integrated pallet, which is comfortable and comfortable for the seated person, is deformed by installing the seat 5 on the upper part of the chair support 1 so as to be rotatable. Also disclosed is a chair provided with a pallet (Patent Publication No. 10-1998-0008108), and also has an annular portion protruding upward in the center of the seat plate 22, and a through hole 26 in the center thereof. ), An annular groove 34 is formed in the center of the support plate 32, a rectangular hole 36 is formed in the center thereof, and a thrust bearing (B) between the annular portion 24 and the annular groove 34. 38) and the coupling bolt 40 is inserted into the through hole 26. Fastening the air coupling nut 46 to the touch is started and so on rotator (registered utility model No. 20-0243554 No.) of the chair that the back and the pedestal plate is rotated to transfer. When the seat plate rotates, the backrest rotates with it, which is the same as a general swivel chair.

In addition, the seat plate is rotated eccentrically to the waist movement chair that is automatically a waist movement, the cam plate 6 is fixed to the end of the motor shaft (5) of the reduction motor (4) fixed to the pedestal (1) In addition, the cam plate 6 is attached to the motor shaft 5 at the position eccentric to the seat plate 7 to the shaft (8) to the waist movement is automatically back movement in the state seated on the seat plate 7 is rotated The chair (utility model registration No. 20-0156862) is started, and the angle of inclination of the seat plate 20 of the chair is configured to be changed every hour in a 360-degree direction by the reduction motor 12 to sit comfortably on the seat plate 20. The waist movement chair (Utility Model Registration No. 20-0261673), which enables the low-powered patients and the elderly to be able to exercise the waist efficiently by automatically allowing the waist movement, is also used. In the waist exercise chair (1), the rotation of the motor (4) The belt pulleys 6 and 8 and the belt 9 are used to transmit power to the seat 11, and the pin 2a is seated on the coupling shaft hole 10 formed eccentrically on the belt pulley 8. (11) is coupled to the seat plate 11 by the drive of the motor 4 is controlled in the forward and reverse direction and the rotational speed, the control panel 14 is installed on the armrest is embedded on the armrest 13, if necessary A waist exercise chair (Utility Model Registration No. 20-0267771) which can be used by opening the cover 17 is disclosed.

Such a conventional seat chair is also configured to form a rotating hole in the seat frame having a leg without wheels, and to combine the rotary seat with the shaft to be rotated in a sitting position on the rotary seat, but such a seat rotary chair In the case of rotating the seat plate, the backrest also rotates together, so that there is a problem encountered with each other.

In addition, even in the case of a general fixed chair composed of a backrest and a seat plate, there is a problem that a lot of noise is generated when the chair is pulled up or pulled up when sitting or standing in a chair, especially when a person or a child is low. When eating in a restaurant or home kitchen, the general fixed chair is inconvenient, such as eating on a kneeling position due to low sitting height.

In addition, in a classroom (classroom) that uses a lot of general fixed chairs, there is a problem that noise pollution occurs when the chair is pushed and pulled up when sitting or standing up.

In particular, even when using a swivel chair in which the seat plate and the backrest which are widely used in the children's study room are rotated in one seat, the swivel chair often falls down due to severe play in the swivel chair, causing safety accidents such as anchors.

The present invention, in order to solve the problems of the conventional swivel chair and the fixed chair as described above, in the backrest chair fixed to the floor, the chair back and the chair back and lifting / installed separately using the tubular member and the gas cylinder on the chair support Rotating seat is rotated separately as needed, and it is easy to adjust the height of lifting / turning seat according to the body for workers who work in a sitting position (work), so that the work efficiency is improved and the backrest and seat are rotated separately. It is to provide a working back chair that is convenient to sit on a chair and stand up.

In order to achieve the object of the present invention, a chair leg and a footrest having a glide fixed to the floor are installed, and a chair holder in which a gas cylinder is installed therein, and only the backrest is rotated separately on the top exterior of the chair holder. It consists of a tubular member that secures the backrest, and an elevating / rotating seat that is installed so as to be lifted and rotated separately on the upper end of the spindle of the gas cylinder installed in the chair support body. The height of the seat can be adjusted to fit the body of the worker, and the seat can be rotated to adjust the working direction and height to the worker who is working in a long position, reducing the fatigue of the worker, improving the work efficiency, and the backrest and the seat are separate. It is easy to sit on the chair and stand up, so that it can be rotated to And a work back chair that can be usefully used as a school chair.

Hereinafter, the characteristic configuration of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a work back chair for implementing the present invention

Figure 2 is a cross-sectional view of the working backrest chair implementing the present invention

Explanation of symbols on the main parts of the drawing

100; Chair support 110; Chair leg

111; Daribos 112; Glide

120; footrest 130; gas cylinder

131; spindle 140; adjustment handle

150; back 200; tubular member

210; back connector 300; lifting and pivoting seats

310; Connector

The subject innovation is the chair leg 110 and the footrest 120 having a glide 112 is fixed to the floor is installed, and the chair main body 100 is installed inside the gas cylinder 130, and the chair As the upper body of the main body 140, only the backrest 140 is rotated separately so that the body member 200 for fixing the backrest 140 and the upper and lower spindles of the gas cylinder installed in the chair main body are separately lifted and rotated. It is composed of the lifting / rotating seat 300 to be installed is in the backrest chair for work that can rotate the backrest and the lifting / rotating seat 300 separately in a sitting position whenever necessary.

1 is a perspective view of a working backrest chair implementing the present invention, vertically by the leg boss 111 of the chair leg 110 is installed glide 112 for fixing the backrest chair to the floor vertically 100 Is installed, the chair support 100 is installed footrest 120 and the adjusting handle 140.

And, on the upper end of the chair support body is provided with a lifting / swivel seat 300 and the backrest 150 to form a backrest chair,

At this time, the gas cylinder 130 for raising and lowering the lifting / turning seat 300 of the backrest chair is installed in the chair support body 100 to adjust the height of the lifting / turning seat with the adjustment handle 140 when necessary. There is a working backrest chair that can rotate the backrest 150 and the lifting / turning seat 300 separately in each sitting position.

2 is an exemplary cross-sectional view of a backrest chair embodying the present invention, and is fixed to the floor by the glide 112 of the chair leg 110 as described in the front view, and the chair support 100 is a chair leg ( Coupled to the leg boss 111 of 110 is installed upright.

Such a spindle 131 of the gas cylinder 130 installed in the chair support body 100.

Lifting / rotating seat 300 is coupled to the upper end of the lifting / rotating seat is installed to hold up.

At this time, the elevating / pivoting seat 300 is installed to be supported on the upper end of the chair support body 100 as described above to form the coupling sphere 310 integrally therein the spindle of the gas cylinder 130 ( 131) by using the coupling sphere and combine the lifting / pivoting seat 300 is configured to adjust the height by adjusting the rise and fall separately from the backrest.

Thus, when attempting to raise the lifting / tilting seat 300, which is installed to be able to adjust the rise and fall separately from the backrest, the control handle 140 is installed in the lower portion of the lifting / tilting seat to operate in the solid line shown in FIG. Adjust the height from the position of the elevating / pivoting seat 300 to the position of the elevating / pivoting seat 300 shown in the virtual line.

On the contrary, when trying to lower the lifting / turning seat 300, the solid line at the position of the lifting / turning seat 300 shown as a virtual line in FIG. 2 by operating the adjusting handle 140 installed at the lower part of the lifting / turning seat 300. Used to adjust to lower the position of the lifting / pivoting seat 300 shown.

As such, when adjusting the height of the elevating / rotating seat 300, the linkage operation relationship of the gas cylinder 130 and the adjusting handle 140 is the same as the height adjusting device of the conventional gas cylinder, and the description of the operation is omitted.

In addition, the tubular member 200 is installed on the upper outer side of the chair support body 100, and the tubular member 200 is fixed to the backrest connector 210 integrally formed with the backrest to install the backrest 150. The backrest 150 is configured to be rotatable by the tubular member separately from the elevation / swivel seat 300.

As described above, the present invention by installing the gas cylinder 130 and the height adjustment handle 140 to artificially manipulate the elevating / pivoting seat 300 on the chair support body 100 as needed to sit on the backrest chair as needed By adjusting the height of the lifting / turning seat 300 by artificial force, it can sit comfortably according to the seating posture, improving the work efficiency, and by rotating the lifting / turning seat 300 artificially, the workability is convenient. It is possible to improve the weight of the body and to perform a simple waist exercise with a sitting posture, so as to relieve fatigue from long work.

In addition, the distraction and noise caused by using a conventional fixed chair is also eliminated.

And, even when sitting or sitting in the chair does not cause inconvenience to the side seats and the previous seat and the back is rotated at the same time to solve the problem of discomfort to the next person, and also a little physique children when eating / lifting / By adjusting the height of the seat, you can have a stable meal in a comfortable position.

In addition, the backrest chair for work in this paper can improve productivity and economic effects by improving convenience and efficiency of workers and reducing fatigue of workers.

The present invention is a chair legs and footrests fixed to the floor installed in the chair, lifting and rotating operation separately by the gas cylinder and the tubular member for installing the backrest to be rotated separately on the upper part of the chair holder on which the gas cylinder is installed It is composed of lifting / turning seats, which can be used to rotate the backrest and lifting / turning seats individually or adjust the height of the seat in the sitting position whenever necessary, improving productivity by improving convenience and efficiency of workers and reducing fatigue of workers. It is in a profitable design that will have an economic effect.

Claims (3)

Chair holder 110 having a glide fixed to the floor and the footrest 120 and the circular adjustment handle 140 is installed and the gas cylinder 130 is installed therein, the chair support member 100, And the tubular member 200 to connect to the backrest connector 210 so that only the backrest 150 is rotated separately to the top appearance of the chair main body, Lifting / rotating seat 300 to be installed to be elevated and rotated separately on the upper end of the spindle 140 of the gas cylinder installed in the chair support body, The backrest chair for work, characterized in that consisting of a circular adjustment handle 140 is installed on the lower portion of the elevating / pivoting seat. The chair according to claim 1, characterized by the structure of the tubular member (200) for fixing the backrest connector (210) integrated with the backrest (150) to be rotated separately to the chair support (100). According to claim 1, The upper end of the spindle 131 of the gas cylinder 130 installed in the chair support body 100, and the connector integrally formed on the elevating / pivoting seat 300 is rotated separately from the backrest ( A backrest chair for work, characterized in that the fastening to 310).