Overall Structure of Office Chairs

The overall structure of office chairs typically consists of three main parts: basic structural components, functional components, and optional parts.

Basic Structural Components

• Seat Surface: Generally composed of three layers: wood, foam, and fabric. The wood affects the load-bearing capacity. Foam can be recycled or new, with new foam providing a better sitting experience. Fabrics include mesh and leather, with differences in breathability and comfort.
• Backrest: The material quality evaluation standards are similar to those of the seat. The hardness is slightly softer to fit the human body's curves. It is often combined with a steel frame or plastic frame and mesh. The mesh has good elasticity and breathability, providing comfortable support.
• Armrests: Their thickness affects durability and comfort. Thick armrests have strong load-bearing capacity and are less likely to deform, providing stable support for the arms.
• Chair Legs: The common type is the five-star base, which provides a stable support foundation for the chair, ensuring that the chair does not easily tip over during use.
• Connecting Components: The seat and backrest are connected by steel pipes or steel plates. High-quality designs use a steel-pipe-in-steel-pipe structure to enhance stability. The thickness of the steel plate is usually 6mm or 8mm. Steel plates with a width of less than 6cm must be 8mm thick; otherwise, they are prone to bending.

Functional Components

The functional components vary among different types of office chairs. Executive chairs feature a high-backrest structure and come standard with armrests, equipped with a seat cushion, backrest, five-star base, casters, and a pneumatic height adjustment system. Staff chairs have a low-backrest and no-armrest design, with core components including a seat cushion, backrest, five-star base, casters, and a pneumatic height adjustment system. The posture-correcting, flexible, and fitness-integrated office chair is designed from an ergonomic perspective, determining key parameters such as seat height, depth, and width based on anthropometric data. It incorporates intelligent sensing technology and mechatronics, with built-in sensors that continuously monitor the user's sitting posture changes. An intelligent algorithm analyzes the data and drives actuators such as electric push rods to automatically adjust the seat angle and backrest support. It also integrates fitness functions. High-end computer chairs usually come with multi-dimensional adjustment functions, including seat height, armrest angle, backrest tilt, lumbar pillow position, and headrest height.

Optional Parts

• Lumbar Pillow: Some chairs enhance lumbar support by incorporating a built-in lumbar pillow. Its necessity depends on the overall comfort design of the chair, providing additional support for the lower back and reducing lower back pressure.
• Headrest: Commonly found in high-end computer chairs, it provides neck support. Some products support height adjustment to accommodate users of different heights, allowing the neck to relax during rest.