Detailed structure description of commercial Auditorium chair manufacturers china

The commercial Auditorium chair manufacturers china are mostly composed of four parts: chair seat, chair back, arms and feet. Generally, the feet and handrails are integrated to form a firmly installed handrail frame. The composition structure is generally steel wood structure or steel plastic structure.

Stand of commercial Auditorium chair manufacturers china

There are two kinds of landing: single foot landing (single foot landing) and handrail standing foot landing (the standing foot is directly connected with the handrail frame).

The commercial Auditorium chair manufacturers china with one foot on the ground supports the center point of the chair. In addition to its beauty, it is also convenient to use the chair legs to connect with other facilities in the environment, such as vents, power interfaces, etc. Due to the relatively complex connection method of the one leg mechanism, the cost of the one leg mechanism is correspondingly increased.

The handrail foot landing mode is firm and reliable, which is convenient for fixing and installation. The handrail frame is combined with the foot, and the structure is simple.

The feet are the foundation of commercial Auditorium chair manufacturers china, which are generally fixed on the ground with anchor bolts.

Handrail

The armrest of commercial Auditorium chair manufacturers china is the basic support of the whole seat, and the main parts of the seat are connected with the armrest.

Structure of armrests in commercial Auditorium chair manufacturers china:

Metal frame: the frame of the armrests is basically the supporting connecting piece of the soft chairs in the entire auditorium. The commercial Auditorium chair manufacturers china are used in school auditorium, multimedia classroom and cinema. It is a kind of seat with backrest and some armrests.

Commercial Auditorium handrail: made of wood, plastic and other materials. Commercial Auditorium chair manufacturers china are used in school auditorium, multimedia classrooms and cinemas. It is a kind of seat with backrest and some armrests.

Writing board mechanism: The armrest of commercial Auditorium chair manufacturers china can be equipped with a writing board mechanism for meeting minutes.

Seat bag of commercial Auditorium chair manufacturers china

It is generally composed of fabric, sponge pad, inner frame, rotating mechanism and outer plate.

Fabric: linen, velveteen, automobile velvet and other fabrics are generally used; Some also use genuine leather and imitation leather as fabrics.

Sponge pad: It is made of PU (polyurethane (chemical formula: NH3) ester) foam with a density of 40-60Kg/M3.

Inner frame: according to different designs, curved wood plywood and plastic (structure: synthetic resin, plasticizer, stabilizer, pigment) plate are used for simple structures, and spring metal frame and plastic inner shell are used for advanced seats.

Outer board: It can be made of wood, plastic or other materials according to the design needs, mainly for decoration and connection with the recovery mechanism.

knapsack of commercial Auditorium chair manufacturers china

It is generally composed of fabric, sponge pad, inner lining board and outer board.

Fabric: linen, velveteen, automobile velvet and other fabrics are generally used; Some are made of genuine leather and imitation leather. The soft chairs in the auditorium are mostly composed of four parts: seat, back, arms and feet. Generally, the feet and handrails are integrated to form a firmly installed handrail frame. The composition structure is generally steel wood structure or steel plastic structure.

Sponge pad: made of PU (polyurethane) foam, with a density of 35~50Kg/M3.

Lining board: according to different designs, it can be of bent wood plywood and metal frame structure. When metal frame structure is used, it is called steel frame. Sometimes the steel frame is directly buried in the sponge.

Outer plate: It has the same function as the outer plate of the seat, and can also be made of wood, plastic (structure: synthetic resin, plasticizer, stabilizer, pigment) or other materials. It is mainly used to decorate ornaments and connect with handrails.

The size of commercial Auditorium chair also has a certain range. According to ergonomic design, the size is generally controlled at:

Seat height: the distance from the highest point of the seat surface to the ground, 400~420 for hard seats and 420~440 mm for soft seats;

Seat width: distance between two handrails; Generally more than 660mm;

Seat depth: the distance from the front edge of seat plate to the backrest; Generally 400~450mm;

Back height: the dimension from the seat plate surface to the highest point of the seat back;

Total height: the distance from the highest point of the seat back to the ground;

Handrail height: the distance from the highest point of the handrail to the ground;

Total depth: the distance from the forward most point of the seat to the rearmost point of the seat back, which generally affects the row spacing of the seat;

Including tablet depth: the maximum depth of the seat when the tablet is opened;

Seating angle: the angle between the seating surface and the horizontal plane, generally 2~5 °;

Back inclination: the angle between the back and the horizontal line, generally 100~106 °

Row spacing: the distance from the front to the middle of two rows of seats;

Seat distance: also called center distance, it refers to the distance between the left and right seats;

Radius of arc row: radius of curvature of arc (explanation: it is an elegant line) row;

In addition, a number of accessories are available, with the following features:

Wordpad

The writing board is an accessory designed for the seats used for meetings or lectures, which is convenient for taking notes and placing documents and books during meetings or classes. Generally, there are two types: exposed and concealed.

Cup holder

The cup holder can be divided into two types: armrest cup holder and external cup holder. The armrest cup holder is mainly used in cinemas and places where it is often necessary to use it. Most of the armrests are designed to be integrated with the armrests.

The external cup holder is mostly used in meetings, classes and other places, and can only be used when necessary. There are two types of external cup holders: front cup holder and rear cup holder.