CN217927044U

CN217927044U - Plastic boss deformation trip type cover turning device reduction box

Info

Publication number: CN217927044U
Application number: CN202222215756.0U
Authority: CN
Inventors: 陈金胜; 郭俊
Original assignee: Dongguan Xinrui Precision Parts Co ltd; Meizhou City Meixian District Qingda Industry Co ltd; Guangdong Qingda Technology Co ltd
Current assignee: Dongguan Xinrui Precision Parts Co ltd; Meizhou City Meixian District Qingda Industry Co ltd; Guangdong Qingda Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2022-11-29
Anticipated expiration: 2032-08-23

Abstract

The utility model provides a plastic boss warp trip formula flip ware reducing gear box, including the gear box, be equipped with input gear, at least two-stage planetary gear assembly and the output shaft that connects gradually in the gear box, the gear box inner wall corresponds every grade planetary gear assembly is equipped with interior ring gear, every grade planetary gear assembly includes planet carrier, planet wheel and centre wheel, at least one the planet carrier is the slot type planet carrier, the one side of slot type planet carrier is equipped with circular recess, the inner wall of circular recess is equipped with a plurality of can upwards be at elastic deformation's boss, the nested driving disc that has in the circular recess, the driving disc periphery be equipped with a plurality of with boss assorted concave part, the driving disc center is equipped with the centre wheel. The utility model provides a plastic boss warp thread-off formula flip ware reducing gear box can avoid motor and gear damage when meeting the being connected of automatic cutout output shaft and motor when hindering.

Description

Plastic boss deformation trip type cover turning device reduction box

Technical Field

The utility model relates to a reducing gear box technical field, concretely relates to plastic boss warp thread formula flip ware reducing gear box.

Background

The reduction gearbox is also called as a speed reducer or a speed reducer, works according to the principle that a prime motor is connected with the reduction gearbox, and the reduction gearbox is connected with a working machine, and is power transmission equipment. The reduction gearbox can be classified into a worm and gear reduction gearbox, a worm gear reduction gearbox, a planetary reduction gearbox and the like according to the structure, and is mainly divided into a single stage, a two-stage and a multi-stage according to the transmission stage number.

The planetary reducer structure mainly comprises an inner gear ring tightly combined on the gear box shell, a sun gear driven by external power is arranged in the center of the ring gear, a planetary gear set composed of three gears and equally assembled on a tray is arranged between the two sun gears, and the planetary gears float in the period of being supported by an output shaft, the inner gear ring and the sun gear; when the power on the input side drives the sun gear, the planetary reducer can drive the planetary gear to rotate and revolve along the track of the inner gear ring along the center, and the rotation of the planetary gear drives the output shaft connected with the tray to output power.

The planetary reducer has the advantages of small volume, light weight, high bearing capacity, long service life, stable operation, low noise and the like, and is widely applied to the cover turning device of the intelligent closestool at present. However, in the actual use process, when the toilet lid is blocked by the external object, the situation that the gear is locked and the motor continuously outputs occurs because the reduction gearbox of the cover turnover device is not provided with the blocking protection structure, and then the motor is burnt or the gear is broken.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of existence among the prior art, the utility model provides a plastic boss warp thread-off formula flip ware reducing gear box can avoid motor and gear damage when meeting the being connected of automatic cutout output shaft and motor when hindering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a plastic boss warp trip formula flip ware reducing gear box, includes the gear box, be equipped with input gear, at least two-stage planetary gear assembly and the output shaft that connects gradually in the gear box, the gear box inner wall corresponds every grade planetary gear assembly is equipped with interior ring gear, every grade planetary gear assembly includes planet carrier, planet wheel and centre wheel, at least one the planet carrier is the slot type planet carrier, the one side of slot type planet carrier is equipped with circular recess, the inner wall of circular recess is equipped with a plurality of can be in the boss of upwards elastic deformation, nested driving disc in the circular recess, the driving disc periphery be equipped with a plurality of with boss assorted concave part, the driving disc center is equipped with the centre wheel.

Furthermore, the input gear is meshed with a planetary gear of the first-stage planetary gear assembly, a central gear of the preceding-stage planetary gear assembly is meshed with a planetary gear of the subsequent-stage planetary gear assembly, and the output shaft is fixedly connected with a central gear of the last-stage planetary gear assembly.

Furthermore, the input gear is fixedly connected with an output shaft of the motor.

Further, a motor cover is arranged outside the motor.

Furthermore, the planetary gear assembly is provided with two stages, and the groove type planet carrier is arranged at the first stage of the planetary gear assembly.

Furthermore, the bosses are three and evenly distributed.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

the utility model discloses a plastic boss warp thread-off formula flip ware reducing gear box is equipped with the slot type planet carrier, and the elastic force through the boss carries out the transmission with the concave part phase-match of driving plate, and when the output shaft received the resistance that surpasss boss elastic force, the boss can outwards produce deformation and take place the phenomenon of skidding in the driving plate periphery, makes the motor of being connected with the reducing gear box take place the idle running to can protect the gear in motor and the reducing gear box.

Drawings

Fig. 1 is a cross-sectional view of the plastic boss deformation trip type cover turning device reduction box of the utility model.

Fig. 2 is a structural diagram of the groove type planet carrier of the present invention.

Fig. 3 is an exploded view of the groove-type planet carrier of the present invention.

Wherein: 1. a motor; 2. a motor cover; 3. a gear case; 31. an inner gear ring; 4. an input gear; 5. a planetary gear assembly; 51. a planet carrier; 511. a circular groove; 512. a boss; 52. a planet wheel; 53. a center wheel; 54. a drive plate; 541. a recess; 6. and an output shaft.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms without departing from the spirit or essential characteristics thereof, and it should be understood that the invention is not limited to the specific embodiments disclosed below.

Example 1

As shown in fig. 1-2, a plastic boss deformation trip type cover turning device reduction box comprises a motor 1, a motor cover 2 sleeved outside the motor 1 and a gear box 3. An input gear 4, a two-stage planetary gear assembly 5 and an output shaft 6 are sequentially connected in the gear box 3 from left to right, and the end part of the output shaft 6 extends into the gear box 3. It should be noted that the number of stages of the planetary gear assembly 5 can be set according to actual requirements, and also can be three or more, and similar changes are all within the protection scope of the present invention.

An output shaft of the motor 1 extends into the gear box 3 and is fixedly connected with the input gear 4. The inner wall of the gearbox 3 is provided with an inner ring gear 31 corresponding to each stage of the planetary gear assembly 5, and each stage of the planetary gear assembly 5 comprises a planet carrier 51, a planet wheel 52 and a central wheel 53. The planetary gears 52 are circularly arranged on one surface of the planetary carrier 51, and the center gear 53 is arranged at the center of the other surface of the planetary carrier 51.

The planet carrier of the first-stage planetary gear assembly 5 is a groove-type planet carrier. One side of the groove type planet carrier for mounting the central wheel is provided with a circular groove 511, and the inner wall of the circular groove 511 is provided with three bosses 512 which can elastically deform in the radial direction. The circular groove 512 is internally nested with the transmission disc 54, the periphery of the transmission disc 54 is provided with a plurality of concave parts 541 matched with the bosses 512, and the central wheel 53 is arranged at the center of the transmission disc 54.

The input gear 4 is meshed with a planetary gear of the first-stage planetary gear assembly 5, a central wheel of the first-stage planetary gear assembly 5 is meshed with a planetary gear of the second-stage planetary gear assembly 5, and the output shaft 6 is fixedly connected with the central wheel of the second-stage planetary gear assembly 5.

The utility model discloses a plastic boss warp trip formula flip ware reducing gear box, its theory of operation as follows:

in a normal state, the motor 1 drives the planet gear 52 of the first-stage planetary gear assembly to rotate, the planet gear 52 automatically and simultaneously moves circularly along the inner gear ring 31, so that the first-stage speed reduction is performed, the groove type planet carrier is driven to rotate, the boss 512 is meshed with the recess 541, the transmission disc 54 is driven to rotate, the transmission disc 54 drives the second-stage planetary gear assembly 52 to perform the second-group speed reduction, and finally the power is transmitted to the output shaft 6; when the external resistance that output shaft 6 met is greater than the elastic force of boss 512, boss 512 outwards takes place deformation to can not effectively interlock the driving disk, make slot type planet carrier do the idle running for driving disk 54, thereby effectively protected motor and gear.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a plastic boss warp trip formula flip ware reducing gear box which characterized in that: including the gear box, be equipped with input gear, at least two-stage planetary gear assembly and the output shaft that connects gradually in the gear box, the gear box inner wall corresponds every level planetary gear assembly is equipped with interior ring gear, every level planetary gear assembly includes planet carrier, planet wheel and centre wheel, at least one the planet carrier is the slot type planet carrier, the one side of slot type planet carrier is equipped with circular recess, the inner wall of circular recess is equipped with a plurality of can be in the boss that upwards elastically deformed, the nested driving disc that has in the circular recess, the driving disc periphery be equipped with a plurality of with boss assorted concave part, the driving disc center is equipped with the centre wheel.

2. The plastic boss deformation trip type cover turning device reduction box according to claim 1, which is characterized in that: the input gear is meshed with the planet gear of the first-stage planetary gear assembly, the central gear of the preceding-stage planetary gear assembly is meshed with the planet gear of the rear-stage planetary gear assembly, and the output shaft is fixedly connected with the central gear of the last-stage planetary gear assembly.

3. The plastic boss deformation trip type cover turning device reduction box according to claim 2, which is characterized in that: the input gear is fixedly connected with an output shaft of the motor.

4. The plastic boss deformation trip type cover turning device reduction gearbox of claim 3, is characterized in that: and a motor cover is arranged outside the motor.

5. The plastic boss deformation trip type cover turning device reduction gearbox of claim 4, is characterized in that: the planetary gear assembly is provided with two stages, and the first stage is located to the slot type planet carrier planetary gear assembly.

6. The plastic boss deformation trip type cover turning device reduction box according to claim 5, characterized in that: the bosses are three in number and are uniformly distributed.