CN2434419Y - Improved rolling device of electric rolling door - Google Patents

Abstract

An improved rolling device for electric rolling door is composed of motor speed reducer, main body assembly and rotary disk, and features that the motor is engaged with the ring gear fixed to main body assembly via planetary gear set and the rotary disk is driven by the engaging of gear and gear in rotary disk.

Description

Improved Electric Rolling Door Rolling Device

The utility model relates to an improved electric rolling door rolling device.

General electric rolling door motors usually adopt an external form. Because the motor protrudes outside the rolling box, it is not only unsightly, but also difficult to install during decoration. Usually, the external motor is driven by a chain to indirectly roll the rolling door. Among them, when the chain is driven, the chain may break and break, which increases the danger during use; moreover, with the indirect drive mode of the motor, a deceleration device is needed to slow down the speed to achieve the required torque to roll the rolling door. .

The traditional scrolling structure in the form of an external motor has problems such as slow lifting speed and poor appearance during use.

Aiming at the shortcomings of the existing technology, the main purpose of this utility model is to provide an improved electric rolling door rolling device. By using the planetary gear set and the ring gear fixed on the main body assembly, the motor rotates and is decelerated in multiple stages. , and through the meshing of the output gear and the internal gear of the turntable, the turntable can be driven to rotate, so as to directly lift and lower the rolling door, without the problem of chain breakage due to driving.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: an improved electric rolling door rolling device, which is mainly composed of a motor reducer, a body assembly and a turntable; its feature is that the motor reducer is located on The outer side of the body component is composed of a motor, a ring gear and a planetary gear set. The motor is fixedly connected to the ring gear. The ring gear is locked on the body component. A planetary gear set is arranged inside the ring gear. The planetary gear set has a A planetary carrier and a second planetary carrier, on which a plurality of fulcrum pivoted planetary gears are arranged, and the planetary gears mesh with the inner ring teeth of the ring gear, and a sun gear is arranged in the middle of the inner side of the first planetary carrier , the sun gear is placed among the plurality of planetary gears on the second planetary carrier, and the motor spindle gear protruding inside the motor is protrudingly arranged in the planetary gears of the first planetary carrier; the body assembly is a U-shaped body. There is a central hole in the center, and a bearing seat for positioning bearings is provided at the lower part of the body. The output shaft of the planetary gear set protrudes from the bearing seat, and an output gear is fixed at the rear end of the output shaft. The body assembly has an equivalent position inside the body A plurality of guide wheels are arranged near the outer periphery; the turntable is arranged outside the periphery of the body assembly, and its inner ring has an inner gear and a guide rail, wherein the guide rail meshes with the output gear, and the guide rail accommodates a plurality of guide wheels.

Through an improved electric rolling door rolling device of the utility model, the shortcomings of the prior art are overcome, and the above-mentioned purpose of creation is achieved; the utility model has the characteristics of direct drive and safety.

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Fig. 1 is the three-dimensional exterior view of the utility model;

Fig. 2 is a three-dimensional exploded view of the utility model;

Figure 3 is a cross-sectional view viewed according to the cutting line in Figure 3-3 and the direction indicated by the arrow;

Fig. 4 is a perspective view of an embodiment of the utility model applied to a roll box.

As shown in Figures 1 to 3, the improved electric rolling door rolling device of the present invention includes a motor reducer 1, a body assembly 2 and a turntable 3, wherein the motor reducer 1 is arranged on the outside of the body assembly 2, and it is driven by a motor 11. The ring gear 12 and the planetary gear set 13 are composed. The inner side of the motor 11 has a plurality of buckle ears 112, which can be docked with the buckle ears 122 on the outer side of the ring gear 12 and locked with the screws 4. The motor of the motor 11 The mandrel gear 111 protrudes inside the ring gear 12, the ring gear 12 corresponds to the screw hole 2121 around the bearing seat 212 on the body 21 of the body component 2 with the buckle ear 122 on the rear side, and the ring gear 12 is fixed to the body with screws 4 On the assembly 2, the ring gear 12 is provided with a pivotable inner ring tooth 121, which can mesh with the planetary gear set 13, and the planetary gear set 13 can be divided into a first planetary carrier 131, a second The planetary carrier 132 and the planetary gear 133 are provided with multiple support shafts 1311, 1321 on the outer side of the first planetary carrier 131 and the second planetary carrier 132 for the planetary gear 133 to be pivotally mounted on, and on the inner side of the first planetary carrier 131. There is a sun gear 1312 in the middle, which can be placed among a plurality of planetary gears 133 on the second planetary carrier 132 to drive the second planetary carrier 132 to rotate, and the planetary gears 133 will also contact the inner ring teeth 121 of the ring gear 12 Mesh to rotate with each other.

The body 21 of the body assembly 2 is U-shaped, and there is a central hole 211 in the center of the U-shaped body 21 for setting a central axis, and a fixing plate 25 is used to lock the central axis of the body assembly 2, located below the central hole 211 A bearing seat 212 is provided, and a bearing 23 can be accommodated on the inside and outside of the bearing seat 212, and the output shaft 1322 of the second planet carrier 132 can be positioned through the shaft connection. After the output shaft 1322 positions the two bearings 23, Its end passes through and is fixed with an output gear 24 by screws 4 , and the planetary gear set 13 is driven by the rotation of the motor 11 to rotate the output gear 24 .

In addition, a plurality of guide wheels 22 are arranged at equivalent positions inside the body assembly 2. The guide wheels 22 are fixed to the body assembly 2 with pins 221 so that the guide wheels 22 can rotate freely. The turntable 3 formed by two semicircles is locked with screws 4 after the positioning pins 32 and the positioning holes 33 are assembled within each of the semicircle turntables 3, and the assembled turntable 3 is internally provided with an internal gear 31 and a guide rail 34, wherein The guide rail 34 can accommodate a plurality of guide wheels 22. In addition to accommodating the guide wheels 22, the guide wheels 22 can be used to assist the rotation of the turntable 3. The internal gear 31 will mesh with the output gear 24, and the output gear 24 will The rotation of the rotating disk drives the rotating disk 3 to make the rolling door move.

Furthermore, when the power is off, the output gear 24 can be actuated via the linkage mechanism to push the output gear 24 away from the internal gear 31 of the turntable 3, so that the two are separated, which is convenient for manual operation. The rolling door leaf can be lifted by manpower to control the rolling. The door rolls up.

Please refer to Figure 4, the utility model directly sets the support pipe 6 at the middle position inside the coil box 5, so that it can achieve noise reduction during operation; moreover, it can also achieve the effect of not affecting the appearance of the indoor house decoration construction. .

In summary, the above are preferred embodiments of the present utility model, and are not intended to limit the implementation of the present utility model; other equivalent changes or modifications made by those who are familiar with the art according to the characteristic category of the present utility model still belong to the utility model The protection scope of the patent application.

Claims (1)

1. An improved electric rolling door rolling device, which is mainly composed of a motor reducer, a body assembly and a turntable; its features are: The motor reducer is located on the outside of the body assembly, which is composed of a motor, a ring gear and a planetary gear set. The motor and the ring gear are fixedly connected. The ring gear is locked on the body assembly, and a planetary gear set is arranged inside the ring gear. The planetary gear set has a first planetary carrier and a second planetary carrier, and a plurality of fulcrum pivoted planetary gears are arranged on the two planetary carriers. There is a sun gear in the middle, the sun gear is placed among the planetary gears on the second planetary carrier, and the motor spindle gear protruding inside the motor is protruding from the planetary gears of the first planetary carrier; the body assembly is a The U-shaped body has a central hole in the center, and a bearing seat for positioning bearings is provided at the lower part of the body. The planetary gear set protrudes from the output shaft in the bearing seat, and an output gear is fixedly connected to the rear end of the output shaft. The body of the body assembly There are multiple guide wheels near the outer peripheral edge at the same position on the inner side; the turntable is set outside the peripheral edge of the body assembly, and its inner ring has an internal gear and a guide rail, wherein the guide rail meshes with the output gear, and the guide rail accommodates multiple guide wheels .

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