Roller shutter buffer device
A rolling shutter buffer device and installation sleeve technology, applied in door/window protection devices, windows/doors, building components, etc., can solve problems such as poor reliability and complex structure, and achieve the effects of easy installation and fixation, and simple connection and connection.
Active Publication Date: 2015-01-28
浙江福士达集团有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a rolling shutter buffer device with simple structure and good reliability in order to overcome the disadvantages of complex structure and poor reliability in the current roller shutter buffer device
Method used
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[0018] The present invention will be further described below in conjunction with the accompanying drawings.
[0019] as attached figure 1 , attached figure 2 Shown: a rolling shutter buffer device, including a central shaft 1, a fixed head 2 that is sleeved outside the central shaft 1 and fixedly connected to the front end of the central shaft 1, a mounting sleeve 3, a rotor 4, a spring 5, and a spring stopper 6 and the stop pin 11 passing through the rear end of the central shaft 1 and blocking the spring stopper 6; the rear end surface of the mounting sleeve 3 has two annular grooves 31 coaxial with the central shaft 1, and the front end surface of the rotor 4 has two The annular groove 31 is opposite to the inserted ring 41; the gap between the annular groove 31 and the ring 41 is filled with damping grease 12; the rear end surface of the rotor 4 has a spring hole 42, and the front end of the spring 5 has an insertion spring The extension section 51 of the hole 42; the s...
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The invention relates to the field of roller shutters and aims at providing a roller shutter buffer device. The roller shutter buffer device comprises a central shaft, a fixed head, a mounting sleeve, a rotor, a spring, a spring check block and a stop pin. The fixed head, the mounting sleeve, the rotor, the spring and the spring check block are sleeved outside the central shaft in sequence and fixedly connected with the front end of the central shaft. The stop pin penetrates through the rear end of the central shaft and blocks the spring check block. A plurality of annular grooves which are coaxial with the central shaft are arranged in the rear end face of the mounting sleeve. A plurality of quoits which are oppositely arranged in the annular grooves in an inserted mode are arranged in the front end face of the rotor. Gaps between the annular grooves and the quoits are filled with damping grease. A spring hole is arranged in the rear end face of the rotor. An extension section which is inserted into the spring hole is arranged at the front end of the spring. The spring check block comprises a locating section and a damping section connected with the rear end of the locating section. The locating section is inserted into the spring, and the outer diameter of the locating section is in transition fit with the inner diameter of the spring. The roller shutter buffer device is simple in structure and good in reliability.
Description
technical field [0001] The invention relates to the field of rolling blinds, in particular to a rolling blind cushioning device. Background technique [0002] The utility model of Chinese patent notification number CN2648030Y discloses a buffer device for a roller blind, which is arranged in the reel of the roller blind. The buffer device includes: a housing; a clutch mechanism, which is located in the housing and can Switching between an engaged position and a disengaged position; a driving shaft, which is installed in the casing, can have a linkage relationship with the clutch mechanism; one end of the driving shaft extends out of the casing, and is fixedly connected to a rotating disk, The rotating disk can be linked by the reel to drive the drive shaft to rotate and drive the clutch mechanism to operate. When the reel rotates forward to hang down the curtain, the clutch mechanism changes from the engagement position to its disengagement position, and there is no damping...
Claims
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IPC IPC(8): E06B9/56
Inventor 王有水严利明
Owner 浙江福士达集团有限公司