Square door closer introduction

The square door closer is a core component of the door control system. Through hydraulic/pneumatic buffering technology, it allows the door to close automatically and smoothly after opening. It has the functions of protecting the door body and optimizing the passage experience. It is widely used in shopping malls, office buildings, residences and other scenarios.

1. Working Principle

The door closer consists of core components such as support guides, transmission gears, return springs, one-way valves, rack plungers, etc.

• When the door is opened: the door body drives the connecting rod, the transmission gear rotates and drives the plunger to move right, the spring is compressed, the hydraulic oil is pressurized, and the one-way valve opens to allow the oil to flow from the right chamber to the left chamber;

• When closing the door: the spring releases its elastic potential energy, pushing the plunger to the left, driving the gear and connecting rod to rotate, and the door is automatically closed;

• Buffering effect: Hydraulic oil throttling creates resistance, controls the door closing speed, and prevents the door from violently impacting.

2. Product Advantages

1. Multifunctional design, adaptable to all scenarios

• Buffering and speed adjustment: Hydraulic oil throttling achieves buffering, and the speed regulating valve can steplessly adjust the closing speed, meeting the needs of places with large flow of people and slow closing speed such as hospitals and schools;

• Adjustable closing force: Adapts to different door weights (such as coastal cities, vehicles and ships, and other scenes affected by wind) to ensure stable closing resistance;

• Damping reset/super-damping closing: The vertical door closer supports temporary suspension of damping reset and safe and fast super-damping closing to cope with special scenarios such as emergency escape.

2. Quality and durability

• ‌Material and craftsmanship‌: Made of high-quality aluminum alloy, 304 stainless steel and other materials, durable;

• Structural design: Gears, springs and other core components are precisely manufactured to ensure long-term stable operation;

3. Installation and Maintenance

• Easy installation: Exposed/concealed installation is suitable for different door types and easy to operate;

• Easy maintenance: Compact structure, durable components and low daily maintenance costs.

3. Market and Application

Square door closers are sold worldwide and are widely used in commercial, residential, and public buildings.

• Shopping malls: Automatic door closing ensures traffic safety and reduces door wear;

• Office buildings: Optimize access control systems and improve intelligent management levels;

• Residential: Home sliding doors, room doors and other scenarios, achieving "door-closing freedom".

4. Cost-effectiveness

As a professional manufacturer, we adhere to the principle of "quality first, affordable price":

• Quality: Strictly controlled from material to craftsmanship, the durability far exceeds that of similar products;

• Price: Through large-scale production and optimized supply chain, high-quality door closers can reach global users at a more affordable price.

Square door closers are centered around "intelligence, safety, and durability" and are an indispensable "invisible guardian" in modern door control systems, providing efficient solutions for the door control needs of all types of buildings.

Kora

+86 13376564944 (WeChat/WA)

kora16888@gmail.com