Office Chair Wheel Classification

The classification of office chair wheels mainly falls into three categories: by function, steering type, and material, as detailed below:

Classification by Function

1. Standard Wheels: These are the most common type, with the core function of enabling flexible movement of the office chair. Their simple structure connects the wheel body to the support frame, allowing the chair to slide freely on flat surfaces, meeting the need for position adjustment in daily office work. They are widely used in most basic office chairs.
2. Brake Wheels: These have a locking function to prevent accidental chair movement. Depending on the operation method, they are further divided into:
   • Gravity Brake Wheels: These use the weight of the human body to trigger the locking mechanism. When a person sits on the chair, their weight activates the locking device inside the wheel, fixing the wheel in place. When the person stands up, the pressure disappears, and the wheel automatically unlocks, restoring mobility.
   • Hand-Pressed Locking Wheels: These control wheel locking through manual buttons or levers placed on the side or bottom of the chair. Users can press or toggle the button as needed to fix or unlock the wheels, making operation convenient.
   • Foot-Pedal Brake Wheels: These are equipped with a pedal device on the wheels. Pressing the pedal with the foot locks the wheels, and pressing it again unlocks them. This design frees the hands and is suitable for scenarios requiring frequent locking and unlocking.
   • Touch-Sensitive Induction Brakes: These use intelligent sensing technology to automatically adjust wheel resistance by sensing human contact. When a person sits down, the system detects the pressure and increases wheel resistance, limiting the sliding range. When the person stands up, the resistance decreases, and the chair regains flexible movement, providing a more user-friendly experience.

Classification by Steering Type

1. Universal Wheels: These connect the wheel body to the support frame through a spherical bearing, allowing flexible steering in response to pushing forces in any direction. This design enables the chair to move without adjusting its direction, making it suitable for office scenarios requiring frequent position adjustments, such as collaborative work areas.
2. Fixed-Direction Wheels: These have a fixed direction and can only rotate forward and backward in a single direction, offering poor flexibility. Since office scenarios usually require chairs to move flexibly, fixed-direction wheels are rarely used in office chairs.

Classification by Material

1. Hard Plastic Wheels (PP/PU Hard Wheels): These are black in color, hard in texture, and smooth on the surface but lack elasticity. These wheels are low-cost but may scratch the floor over long-term use, making them suitable for environments with low floor protection requirements.
2. Soft PU Wheels (Polyurethane-Wrapped Wheels): These have a soft polyurethane material wrapped around the outer layer, rolling smoothly and being less likely to scratch the floor, with good noise reduction. These wheels effectively reduce noise during movement and protect the floor, making them suitable for places with high office environment requirements.