Double leaf damper

Abstract

The invention relates to a double-vane damper. The double-vane damper comprises a barrel, a spindle, a sealing cover and the like, wherein a containing section of the spindle, a shoulder of the spindle and the inner wall of the barrel form a cavity by encircling, two shaft ribs are arranged on the outer surface of the containing section, double door leaves are sheathed on the shaft ribs, a door leaf single hole is formed in a first door leaf, a door leaf double hole is formed in a second door leaf, a shaft rib double hole is formed in the shaft ribs, a gap is reserved respectively between the first door leaf and the shaft ribs, between the first door leaf and the second door leaf and between the shaft ribs and the second door leaf, the door leaf single hole in the first door leaf and the shaft rib double hole are staggered, and the door leaf double hole in the second door leaf is over against the shaft rib double hole; one oxhorn-shaped slot is formed in each of two sealing cavities of the bottom end face of the barrel and the inner end face of the shoulder of the spindle. The double-vane damper has the beneficial technical effects that labour is saved when a door cover mounted with the double-vane damper is opened, the door cover mounted with the double-vane damper can be opened rapidly and can fall smoothly at constant speed, no impact sound is produced, the functions of slowly falling and buffering are achieved, and service life of the double-vane damper is greatly prolonged.

Description

technical field [0001] The invention relates to a double-leaf damper, which can be widely used as a cushioning and slow-falling damper when furniture, sanitary ware, and various door covers are opened and closed. Background technique [0002] In the application fields of dampers and buffers, such as furniture, sanitary ware, and sanitary ware, doors or lids that need to be opened up and down, such as toilet lids, etc., generally use a direct hinge connection between the shaft and the sleeve. When it is put down, due to the gravity of the door cover, it will make a loud impact sound or cause shattering; the existing technology has a spring buffer, but after a long period of use, it cannot be used due to the loss of elastic force, or the service life is caused by corrosion. Short; at present, this field has been developing a damper to buffer the opening and closing of the door cover, and the principle of hydraulic pressure is applied to realize the buffering function when the ...

AI Technical Summary

Problems solved by technology

[0002] In the application fields of dampers and buffers, such as furniture, sanitary ware, and sanitary ware, doors or lids that need to be opened up and down, such as toilet lids, etc., generally use a direct hinge connection between the shaft and the sleeve. When it is put down, due to the gravity of the door cover, it will make a loud impact sound or cause shattering; the existing technology has a spring buffer, but after a long period of use, it cannot be used due to the loss of elastic force, or the service life is caused by corrosion. Short; at present, this field has been developing a damper to buffer the opening and closing of the door cover, and the principle of hydraulic pressure is applied to realize the buffering function when the door cover is opened and closed. However, the design of this type of damper at home and abroad is not ideal. The drop rate is too fast or too slow, or the use time is not long and the life is short

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