Blind motor stroke control mechanism
A technology of stroke adjustment and venetian blinds, which is applied in the direction of building components, building structures, door/window protection devices, etc., can solve the problems of inconvenient adjustment of the stroke and the inability to adjust at any time, and achieve the effect of convenient operation and labor saving
Inactive Publication Date: 2010-12-29
华如祥
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Problems solved by technology
In summary, the adjustment mechanism cannot be adjusted at any time, and it is inconvenient to adjust the stroke
Method used
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[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] As shown in Figures 1 to 6, it is a preferred embodiment of the present invention, a venetian blind motor travel adjustment mechanism, including a switch box 1, which is divided into left and right inner chambers A and B by a partition 2, wherein An upstroke adjustment structure is installed in the left inner cavity A, a downstroke adjustment part is installed in the right inner cavity B, an output shaft 5 connected with the motor and connected with the first driving gear 3 and the second driving gear 4, which passes through Inside switch box 1.
[0023] As shown in Figure 3, the upper stroke adjustment structure includes: the first stroke gear 6, the second stroke gear 7, the first stroke wheel 8, and the second stroke gear 9 installed on the coaxial line, and the first stroke gear 6 The number of teeth is different from the second st...
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A motor stroke adjusting mechanism for a Venetian blind includes a first stroke gear, a second stroke gear, a first stroke wheel and a second stroke wheel, which are installed coaxially. A first gap, a second gap as well as a first step and a second step are formed on the peripheral surfaces of the first stroke wheel and the second stroke wheel. The second stroke wheel is in transition fit with asecond inserting shaft, the end of the first inserting shaft is sleeved with a first shaft sleeve, the inner hole of first shaft sleeve is combined with the end periphery of the first inserting shaftthrough a rib groove structure, the inner hole of the first stroke wheel is in transition fit with the first shaft sleeve, and the first inserting shaft is rotationally sleeved on the first installing shaft; the upper inner end of a first shifting fork is matched with a first switch, and a first projection is formed on the outer end of the first shifting fork; a first slider is arranged on a bracket, the inner end surface of the bracket is matched with the first shifting fork, and a first locating pin and a second locating pin are arranged at the lower end of the first slider. The adjusting mechanism can make adjustment during the running process and has advantage of easy stroke adjustment.
Description
technical field [0001] The invention relates to a stroke adjustment device, in particular to a motor stroke adjustment mechanism for a venetian blind. Background technique [0002] Electric venetian blinds need to adjust the maximum down distance and maximum up distance of the venetian blinds to suit different needs. [0003] There is a Chinese utility model patent "Motor Stroke Adjustment Mechanism for Venetian Blinds" with patent No. ZL200720108971.3 (Notice No. CN201038905Y), which discloses such a motor stroke adjustment mechanism for venetian blinds, which consists of an output shaft connected to a gear and a motor. Installed on the switch box and the gear box, the switch box and the gear box are also equipped with a button device composed of a button, a spring, and a button seat to cooperate with the travel wheel bracket, and the switch connected to the switch box is matched with the fork and the travel wheel bracket. The adjustment device installed on the travel whee...
Claims
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IPC IPC(8): E06B9/322
Inventor 华如祥方丽珍
Owner 华如祥