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在弹簧释放过程中,由于闭门器左腔的液压油受到压缩

网址:www.wayzwj.com时间:2024-03-12 14:33:49(部分内容来源于网络,不代表本站观点)

闭门器的工作原理是:当开门时,门体带动连杆动作,并使传动齿轮转动,驱动齿条柱塞向右方移动。在柱塞右移的过程中弹簧受到压缩,右腔中的液压油也受压。柱塞左侧的单向阀球体在油压的作用下开启,右腔内的液压油经单向阀流到左腔中。当开门过程完成后,由于弹簧在开启过程中受到压缩,所积蓄的弹性势能被释放,将柱塞往左侧推,带动传动齿轮和闭门器连杆转动,使门关闭。
The working principle of the door closer is that when the door is opened, the door body drives the connecting rod to move and causes the transmission gear to rotate, driving the rack plunger to move to the right. During the right movement of the plunger, the spring is compressed, and the hydraulic oil in the right chamber is also compressed. The one-way valve ball on the left side of the plunger opens under the action of oil pressure, and the hydraulic oil in the right chamber flows into the left chamber through the one-way valve. After the door opening process is completed, due to the compression of the spring during the opening process, the accumulated elastic potential energy is released, pushing the plunger to the left, driving the transmission gear and door closer connecting rod to rotate, and closing the door.
在弹簧释放过程中,由于闭门器左腔的液压油受到压缩,单向阀被关闭,液压油只能通过壳体与柱塞之间的缝隙流出,并经过柱塞上的小孔以及2条装有节流阀芯的流道回流到右腔。因此液压油对弹簧释放构成了阻力,即通过节流达到了缓冲的效果,使门关闭的速度得到了控制。阀体上的节流阀可以调节,可控制不同行程段的、可变化的闭门速度。尽管不同厂家生产的闭门器结构、尺寸有差异,但原理是相同的。
During the spring release process, due to the compression of the hydraulic oil in the left chamber of the door closer, the one-way valve is closed, and the hydraulic oil can only flow out through the gap between the housing and the plunger, and return to the right chamber through the small hole on the plunger and two flow channels equipped with throttle valve cores. Therefore, hydraulic oil creates resistance to the release of the spring, achieving a buffering effect through throttling, and controlling the speed of door closure. 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 door closers produced by different manufacturers may vary, the principle is the same.

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