CN201088314Y - An office chair for preventing lumbar spine injury - Google Patents

Abstract

The utility model discloses a new type of office chair capable of preventing lumbar spine damage. On the basis of the existing traditional office chair, according to the size of the human body and the characteristics of the sitting posture in the office, the armrest is transformed to include armrests and elbow rests. part form. The armrests and elbow rests of the armrests of the seat of the utility model respectively provide support for the armpit and elbow of the human body. Compared with the office chair with traditional armrests, the utility model design can increase the manufacturing cost and reduce the office work efficiency. Under certain conditions, it can more effectively reduce lumbar pressure and muscle strain, make workers more comfortable, and help office workers maintain spine integrity.

Description

An office chair for preventing lumbar spine injury

technical field

The utility model relates to a seat, in particular to an office seat for preventing lumbar vertebra damage. The seat is mainly designed with armrests for office workers, and can effectively reduce lumbar vertebra pressure and muscle strain.

Background technique

At present, there are more and more office workers in our country. Office work generally includes typing, surfing the Internet, and consulting documents. Due to the consideration of office work characteristics and cost reduction, the backrest and seat surface of most existing office chairs cannot be too large and wide; the angle between the backrest and the seat surface is generally about 105 degrees; and the armrest The shape design of the furniture is also often very random, and the height cannot be adjusted. This design results in the workers' waist bones and muscles being easily fatigued, deformed and even damaged during long hours of office work. According to the applicant's data retrieval, existing materials including books, magazines and patent retrievals have not found relevant documents similar to the seat involved in the utility model, and there is no corresponding application precedent in practice.

Contents of the invention

The purpose of this utility model is to provide an office chair for preventing lumbar spine injury. The armrest used in the office chair includes two parts, armrest and elbow rest, which respectively support the armpit and elbow of the human body, so that office workers can At work, it can more effectively reduce the pressure on the lumbar spine and muscle strain, make it more comfortable, and help it maintain the integrity of the spine.

In order to achieve the above tasks, the utility model takes the following technical solutions:

An office chair for preventing lumbar spine injury, including the existing seat and its back, is characterized in that a pair of guide rails are arranged on both sides of the seat and its back, and a series of pin holes are arranged on the guide rails; There is a pair of arm rests, and a pair of elbow rests on the rails, which sit under the arm rests.

Another feature of the utility model is that the section of the guide rail is square.

The arm rest is saddle-shaped and can be disassembled. The material of this arm support is selected plastics, rubber or soft material to make.

The angle between the elbow rest and the front of the seat and its backrest is 20 degrees.

The office chair for preventing lumbar spine injury of the utility model has the following advantages:

1) The armrests are adjustable in height and easy to disassemble, which can meet the needs of people of different heights and physical conditions; the structural design is simple and practical, and the cost is low.

2) The armrests and elbow rests respectively support the armpits and elbows of the human body. Their design conforms to ergonomics, which can effectively reduce waist fatigue and increase the comfort and stability of the sitting posture.

3) The seat design is based on the original common office chairs, which is very easy to realize.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Detailed ways

Referring to accompanying drawing 1, the utility model office chair that prevents lumbar spine injury comprises existing seat main body 1 and arc-shaped backrest 2, is provided with a pair of guide rails 3 on both sides of backrest 2, and this guide rail 3 is provided with a series of The axial pin holes 3-1 of different heights, in order to facilitate the installation of the armrest 4, the cross section of the guide rail 3 is square; the armrest 4 is installed on the guide rail 3 through the axial pin hole 3-1 and the screw 4-1, and the Also fixedly installed with a pair of elbow rest 5, this elbow rest 5 is positioned at the below of armpit rest 4.

The shape and design of the seat main body 1 and the curved backrest 2 can refer to any existing type.

The armrest 4 can be adjusted in height on the guide rail 3, and is fixed through the axial pin hole 3-1 and the screw 4-1 on the guide rail 3; The curve of the armpit of the human body is close to the armpit of the human body, and the thickness is about 15mm. In order to increase the comfort of the support, the armrest 4 uses plastic, rubber, sponge, leather pad and other enveloping surfaces;

According to the position of the armrest 4, the length of the upper arm of the human body and the natural state of the arm, a pair of elbow rests 5 are fixedly installed on the guide rails 3 on both sides of the backrest 2. The included angle of 20 degrees is in line with the natural state of the human body where the elbow is placed.

The seat for preventing lumbar spine injury of the present utility model has a pair of armrests 5 installed on both sides of the backrest 2 of the seat. The height can be adjusted on the guide rail 3, which can meet the needs of people with different physiological parameters. When the human body is in a sitting position, the armpit and elbow of the human body are supported separately, which is beneficial to keep the waist posture straight and comfortable; in order to increase the comfort of the armpit support, use plastic, rubber, sponge, leather pad or soft material bag The surface of the axillary support.

Claims (7)

1. A kind of office chair that prevents lumbar spine injury, comprises existing seat main body (1) and backrest (2) thereof, is characterized in that, is provided with a pair of guide rails (3) on both sides of its backrest (2), The guide rail (3) is provided with a series of axial pin holes (3-1); a pair of armrests (4) are installed on the pin holes (3-1), and a pair of elbow rests (5) are also arranged on the guide rail (3). The elbow rest (5) is located below the armpit rest (4). 2. The office chair for preventing lumbar spine injury according to claim 1, characterized in that, the section of the guide rail (3) is square. 3. The office chair for preventing lumbar spine injury according to claim 1, characterized in that, the arm support (4) is in the shape of a saddle. 4. The office chair for preventing lumbar spine injury according to claim 1 or 3, characterized in that, the material of the arm support (4) is made of plastic, rubber or soft material. 5. The office chair for preventing lumbar spine injury according to claim 1, characterized in that, the angle between the elbow rest (5) and the front of the seat body (1) and its backrest (2) is 20 degrees. 6. The office chair for preventing lumbar spine injury according to claim 1, characterized in that, the armrest (4) can be disassembled, and the height can be adjusted on the guide rail (3). 7. The office chair for preventing lumbar spine injury according to claim 1 or 3 or 5 or 6, characterized in that the thickness of the arm support (4) is 15 mm.