Structure composition
The seat is mainly composed of iron armrest, plastic cup holder, backrest, seat cushion and connecting turning mechanism.
performance and characteristics
►►The back shell, seat shell and backing frame are all molded by modified PP engineering polypropylene, with elegant appearance, stable structure, corrosion resistance, aging resistance, easy cleaning and other characteristics. The seat number can be installed in front of the seat shell, and the seat number is available in aluminum and luminous.
►►The soft core of the chair seat is made of high resilience cold foamed polyurethane and steel structure skeleton, with "S" shaped spring built in, the foam density is 45kg/m3. The soft core of the chair back is made of high quality high resilience sponge sheet, and the seat feels comfortable.
►►The seat back can be made into two types: fixed and movable. The fixed backrest connection structure is 2mm thick high-strength steel plate stamping and forming, which is durable and not deformed; the movable mechanism spring of the movable backrest is a 3mm thick spring plate, and the limit structure It is also stamped and formed with 2mm thick high-strength steel plate, and the life of the spring plate can reach 200000 times.
►►The fixed backrest tilt is provided with two adjustable gears; the movable backrest tilt is provided with three adjustable gears.
►►The overturning mode of the seat cushion adopts a gravity rebound device, the counterweight body and the seat frame are welded into one body, and there is no risk of falling off, and the seat cushion returns to its position accurately, smoothly and with minimal noise.
►►The seat armrest is equipped with a cup holder. The cup holder is molded with high-strength ABS engineering plastic. The outer diameter of the cup holder is 110mm. The upper cover and bottom plate of the cup holder are covered with cloth. The cup holder feels soft and comfortable and can be turned up. The middle armrest is equipped with a middle side panel and is covered with cloth, which is beautiful and generous. The anchor fixing bolts are hidden, and the plastic anchor cap is sealed after fixing to reduce dust accumulation, facilitate cleaning, and be stable and beautiful.
►►The iron handrail is made of 1.7mm thick steel pipe by oxygen welding, the rising head is 7mm thick steel plate stamping and forming, the lower anchor is stamping and forming by 2mm thick steel plate mold, and the anchor fixing hole hole distance is 242mm.
►►All metal surfaces of the seat are subject to sandblasting and rust removal, followed by electrostatic powder spray coating for rust prevention.
►►The automatic rebound shaft frame of the seat is a high-strength nylon injection molded part.
►►Seat fabric a variety of colors, varieties for customers to choose and do flame retardant treatment, its combustion performance can reach B1 level flame retardant standard.
►►All connecting fasteners (bolts, nuts, self-tapping nails, rivets, etc.) are made of national standard parts, and the surface is galvanized or blackened for rust prevention.
Technical parameters
|
Chair height |
780mm±1 |
Center distance of row chair |
56-58cm |
|
seat height |
445mm±1 |
Minimum Length |
990mm±1 |
|
Armrest height |
600mm±1 |
foam density |
45kg/m3 |
|
Maximum length |
1110mm±1 |
Maximum Seat Load |
150kg |
|
Seat depth |
46-47cm |
|
|
|
back width |
45-49cm±1 |
Number of seat flips |
200000 times |
wireframe diagram

Note: ① The unit of the appearance size shown in the figure is mm, and the individual data of the actual product may have an error of about ± 10mm.
② In the figure, the fixed backrest is large, and the difference between the front and back of the top of the backrest is about 60mm; the movable backrest is medium, and the difference between the top of the two adjacent backrests is about 40mm.
Millennium A
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