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Hand crank transmission device

A transmission device and hand crank technology, applied in the direction of transmission device, gear transmission device, belt/chain/gear, etc., can solve the problems of unreliable self-locking, low transmission efficiency, slow rotation speed, etc., and achieve reliable self-locking and fast rotation speed. , The effect of high transmission efficiency

Inactive Publication Date: 2008-10-22
HUNAN SHINILION ENERGY SAVING SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The following problems exist in the existing manual transmission device. First, there is no device to control the rotation stroke. If the user does not pay attention, the door and window will exceed the upper limit and cause damage; Slow, it takes a long time to open the doors and windows; the third is that it cannot be reliably self-locked, and the door and window body sometimes suddenly falls during the opening process of the doors and windows

Method used

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  • Hand crank transmission device
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Embodiment Construction

[0022] Such as figure 1 , as shown in Fig. 2, the hand transmission device of the present invention comprises a hand crank 1, a rotating shaft 9, a housing 2 and a worm wheel 3, a worm 4 and a worm seat 5 installed in the housing 2, and the two ends of the worm 4 are provided with The worm seat 5, the worm gear 3 is connected with the worm gear 4 teeth transmission, the hand handle 1 is arranged in the square hole set at the end of the worm screw 4, the worm gear 3 is provided with an output shaft 31, the rotating shaft 9 is connected with the output shaft 31, and the worm gear 3 is provided with There is a stroke counting pin 6, and the stroke counting wheel 7 connected with the stroke counting pin 6 is arranged next to the worm wheel 3. The stroke counting wheel 7 is provided with a limit tooth 71. Tightening device 8 links to each other, and elastic compression device 8 can not only stabilize travel counting wheel 7, make it can rotate when being stirred by travel counting ...

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Abstract

The invention discloses a hand driving equipment, which is provided with simple and compact structure, journey controlling, time and labor saving, smooth driving and convenient installation, comprising handle, rotating shaft, shell, worm wheel and worm in the shell, and worm base. Worm base is set on two ends of the worm and worm is connected with worm wheel in driving. Handle is connected with the end of worm and output shaft is set on the worm wheel. The rotating shaft is connected with the output shaft. Journey countering pin is set on the worm wheel and journey countering wheel connected with journey countering pin in driving is set at the side of the worm wheel. Journey countering wheel, on which limiting tooth is set, is connected with elastic compact device.

Description

technical field [0001] The invention mainly relates to the fields of rolling shutter doors and windows, sunshade systems, curtains and projection screens, in particular to a manual transmission device for opening and closing rolling shutter doors and windows, sunshade systems, curtains or projection screens. Background technique [0002] The following problems exist in the existing manual transmission device. First, there is no device to control the rotation stroke. If the user does not pay attention, the door and window will exceed the upper limit and cause damage; Slow, it will take a long time to open the door and window; the 3rd, it cannot be reliable self-locking, and the door and window body will suddenly fall sometimes during the opening process of the door and window. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide a hand-operated transmission device with si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H1/16F16H35/00F16H57/04
Inventor 陈为军
Owner HUNAN SHINILION ENERGY SAVING SCI & TECH