Reduction gear box with multi-stage planetary gear train structure and electric toilet lid
A reduction gearbox and planetary gear train technology, applied in electric components, toilet seat or cover, belt/chain/gear, etc., can solve the problem of large gear size, incompressible reduction box volume, and affecting the overall aesthetics of the toilet, etc. problem, to achieve the effect of small size and compact structure
Pending Publication Date: 2021-03-26
唐亚平
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Problems solved by technology
In order to meet the large reduction ratio of the existing reduction gearbox, one uses a worm gear with a parallel gear, but it cannot be reversed.
One adopts all parallel gear sets. Due to the limitation of parallel gear structure, under the same output torque, the gear modulus is large, the gear volume is large, and there is unilateral force, which makes the volume of the reduction box incompressible, which makes the overall volume of the reduction gearbox Larger, affecting the overall aesthetics of the toilet
Method used
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[0025] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as Figures 1 to 4 As shown, a reduction gearbox with a multi-stage planetary gear train structure may include a housing 1, a motor 2, a multi-stage reduction gear set 3, an intermediate transmission gear 4, a multi-stage planetary gear set 5, a transmission shaft 6, a potentiometer 7 and Fixed seat 8 etc. The casing 1 is integrally formed, and is provided with a motor cavity 11, a parallel gear set cavity 13 and a planetary gear set cavity 12, wherein the motor cavity 11 and the planetary gear set cavity 12 are arranged in parallel, and the parallel gear set cavity 13 is orthogonal to the motor cavity 11 and the planetary gear set cavity 12 (specifically, the upper ends of the motor cavity 11 and the planetary gear set cavity 12 are arranged laterally). The inner wall of the planetary gear set cavity 12 is provided with gear teeth 121 ...
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The invention relates to a reduction gear box with a multi-stage planetary gear train structure and an electric toilet lid. The reduction gear box comprises a shell, and the shell is provided with a motor cavity, a parallel gear set cavity and a planetary gear set cavity. The motor cavity and the planetary gear set cavity are arranged in parallel, and the parallel gear set cavity is orthogonal tothe motor cavity and the planetary gear set cavity. Gear teeth are arranged on the inner wall of the planetary gear set cavity. A motor is mounted in the motor cavity. A multi-stage reduction gear setand an intermediate transmission gear are installed in the parallel gear set cavity, a driving gear of the multi-stage reduction gear set is fixed to the motor, and a final-stage driven gear of the multi-stage reduction gear set is engaged with the intermediate transmission gear. The multi-stage planetary gear set is coaxially and rotatably mounted in the planetary gear set cavity, and planetarygears of the multi-stage planetary gear set are meshed with the intermediate transmission gear and the gear teeth. And a transmission shaft penetrates through the intermediate transmission gear and the multi-stage planetary gear set, one end of the transmission shaft is fixedly connected to the final-stage planetary gear set, and the other end of the transmission shaft is connected with a potentiometer. The reduction gear box is compact in structure, small in size and suitable for the electric toilet lid.
Description
technical field [0001] The invention relates to the field of electric toilet lids, in particular to a reduction gear box with a multi-stage planetary gear train structure and an electric toilet lid. Background technique [0002] With the advancement of science and technology and the improvement of people's living standards, smart toilets are becoming more and more popular. The electric toilet seat is an important part of the smart toilet. The drive device of the existing electric toilet lid generally all adopts the structure of motor+reduction gear box, to realize the gentle opening and closing of the toilet lid. In order to meet the large reduction ratio of the existing reduction gearbox, one uses a worm gear with a parallel gear, but it cannot be reversed. One adopts all parallel gear sets. Due to the limitation of parallel gear structure, under the same output torque, the gear modulus is large, the gear volume is large, and there is unilateral force, which makes the vol...
Claims
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IPC IPC(8): F16H37/04F16H57/08F16H57/031F16H57/023F16H57/02H02K7/116A47K13/00A47K13/10A47K13/24
CPCA47K13/00A47K13/10A47K13/24F16H37/041F16H57/023F16H57/031F16H57/082F16H2037/048F16H2057/02034F16H2057/02039F16H2057/02086H02K7/116
Inventor 唐亚平
Owner 唐亚平