Door Closer Principle
Source:来源: 发布时间: 2010-08-05 15:08 221 次浏览 大小: 16px 14px 12px | Author:business-100 | Published time: 2018-08-20 | 521 Views | Share:
　　Everyone knows the importance of door closers for our daily life, but there are many brands on the market. Recently, people often ask about the principle of small door closers and the price of door closers. Therefore, Xiaobian sorts out relevant information. Everyone will introduce you briefly.
　　Door closer principle


　　The working principle of the door closer is: when the door is opened, the door body drives the link to move, and the transmission gear rotates to drive the rack plunger to the right. The spring is compressed during the right shift of the plunger and the hydraulic oil in the right chamber is also pressurized. The one-way valve ball on the left side of the plunger is opened by the oil pressure, and the hydraulic oil in the right chamber flows through the one-way valve into the left chamber. When the door opening process is completed, since the spring is compressed during the opening process, the accumulated elastic potential energy is released, pushing the plunger to the left side, and driving the transmission gear and the door closer link to rotate, so that the door is closed.


　　During the release of the spring, since the hydraulic oil in the left chamber of the door closer is compressed, the check valve is closed, and the hydraulic oil can only flow out through the gap between the housing and the plunger, and passes through the small hole in the plunger and 2 The flow path with the throttle spool is returned to the right chamber. Therefore, the hydraulic oil forms a resistance to the release of the spring, that is, the damping effect is achieved by the throttling, and the speed at which the door is closed is controlled. The throttle valve on the valve body can be adjusted to control the variable closing speed of different stroke segments. Although the structure and size of the door closers produced by different manufacturers are different, the principle is the same.


　　Door closer price

　　Jianlang fire door closer B804 162 yuan
　　Pepsi's invisible door hidden door closer 188 yuan
　　Vexg/GMT series door closers 90 yuan
　　Xiaobian today shares the door closer principle and the price of the door closer. If you need it, you can use this article to briefly understand the relevant information, so that you can better choose the products you like.