CN218498954U

CN218498954U - Speed reducing motor

Info

Publication number: CN218498954U
Application number: CN202222624969.9U
Authority: CN
Inventors: 王忠三
Original assignee: Ningbo Jialin Precision Electromechanical Co ltd
Current assignee: Ningbo Jialin Precision Electromechanical Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-17
Anticipated expiration: 2032-10-08

Abstract

The utility model relates to a gear motor field especially relates to gear motor, including the motor, install the tooth ring cover through motor flange joint on the motor, the top installation of tooth ring cover is fixed with the upper end cover, install three sets of planetary gear structure in the tooth ring cover, the bottom two sets of planetary gear structure include the reduction planet carrier, install three reduction planet wheel through three needle hub connection on the reduction planet carrier, a planetary gear structure of top includes top layer planet carrier, install three top layer planet wheel through three needle hub connection on the top layer planet carrier; an output shaft is vertically installed at the top of the top-layer planet carrier, and the output shaft rotates to penetrate out of the upper end cover. The utility model discloses in, the motor decelerates through three planetary reduction gears of group for the output shaft can slow down the output, and supreme transmission in proper order is followed down to three planetary reduction gears of group, carries out stable, orderly tooth transmission speed reduction, makes the motor can stabilize, orderly speed reduction, improves the speed reduction stability and the efficiency of motor, lets (window) curtain even running.

Description

Speed reducing motor

Technical Field

The utility model relates to a gear motor technical field especially relates to gear motor.

Background

The speed reducing motor is widely applied to the steel industry, the mechanical industry and the like, and the miniature speed reducing motor popular in the 21 st century has the advantages of simplifying design and saving space. Especially, the existing electric curtain is widely used, and the small efficient speed reducing motor has a larger market application prospect.

Some speed reducing motors on the existing electric curtain only carry out power transmission by contacting a driving main shaft gear with a unilateral gear during speed reduction, and the unilateral gear is contacted only, so that the speed reducing efficiency is low, and the unilateral gear has high fatigue strength and poor stability after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a speed reducing motor.

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

the speed reduction motor comprises a motor, a gear ring sleeve is connected and mounted on the motor through a motor flange, an upper end cover is fixedly mounted at the top end of the gear ring sleeve, and a speed reduction mechanism is mounted in the gear ring sleeve;

the speed reducing mechanism comprises three groups of planetary gear structures, the bottom two groups of planetary gear structures comprise a speed reducing planet carrier, three speed reducing planet gears are installed on the speed reducing planet carrier through three needle shafts, one planetary gear structure at the top comprises a top planet carrier, the top planet carrier is provided with three top planet gears through three needle shafts, sun gears are arranged between the speed reducing planet gears and the inner sides of the top planet gears in a meshed mode, gear rings are arranged on the inner sides of gear sleeves, and the outer sides of the speed reducing planet gears and the top planet gears are meshed with the gear rings;

an output shaft is vertically installed at the top of the top layer planet carrier, and the output shaft penetrates through the upper end cover in a rotating mode.

The driving shaft of the motor is inserted with a sun gear fixed on a bottom planetary gear structure, a bottom gasket is padded on a motor flange, and the driving shaft and the sun gear on the driving shaft penetrate through a through hole in the middle of the gasket.

The preferable structure here is that the central parts of the top end faces of the two speed reduction planetary carriers are respectively provided with a sun gear, the speed reduction planetary carrier is further padded with a connecting gasket, and the sun gear on the speed reduction planetary carrier passes through a through hole in the middle of the connecting gasket.

The preferable structure here is that the middle part of upper end cover is provided with the through-hole, passes through the bearing in the through-hole and is connected with the output shaft rotation, and the through-hole department installs the for the hole retaining ring, installs the for the axle retaining ring on the output shaft.

The preferable structure here is that three needle shafts are evenly distributed and rotatably mounted on the reduction planet carrier and the top planet carrier, and the needle shafts vertically extend downwards.

The utility model has the advantages that:

the utility model discloses in, the motor decelerates through three planetary reduction gears of group, and every group all decelerates through the planet wheel of three sides for the output shaft can slow down the output, and three planetary reduction gears of group follow supreme transmission in proper order down, stabilize, orderly tooth transmission slows down, makes the motor can stabilize, orderly slow down, improves the speed reduction stability and the efficiency of motor, lets (window) curtain even running.

Drawings

Fig. 1 is a schematic structural diagram of the speed reduction motor provided by the present invention.

In the figure: the device comprises a motor flange 1, a motor 2, a three-level gear ring 3, a sun gear 4, a front end cover 5, an output shaft 6, a reduction planet gear 7, a reduction planet carrier 8, a connecting gasket 9, a bottom gasket 10, a needle shaft 11, a top planet carrier 12, a top planet gear 13, a circlip for a hole 14 and a circlip for a shaft 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the speed reduction motor comprises a motor 2, a gear ring sleeve 3 is connected and installed on the motor 2 through a motor flange 1, an upper end cover 5 is installed and fixed at the top end of the gear ring sleeve 3, and a speed reduction mechanism is installed in the gear ring sleeve 3;

the speed reducing mechanism comprises three groups of planetary gear structures, the bottom two groups of planetary gear structures comprise a speed reducing planet carrier 8, the speed reducing planet carrier 8 is provided with three speed reducing planet gears 7 through three needle shafts 11, the top planetary gear structure comprises a top planet carrier 12, the top planet carrier 12 is provided with three top planet gears 13 through three needle shafts 11, sun gears 4 are arranged between the inner sides of the speed reducing planet gears 7 and the top planet gears 13 in a meshed mode, the inner side of the gear ring sleeve 3 is provided with a gear ring, and the outer sides of the speed reducing planet gears 7 and the top planet gears 13 are meshed with the gear ring;

wherein, evenly distributed on speed reduction planet carrier 8 and the top layer planet carrier 12 rotates and installs three needle axle 11, and needle axle 11 vertical downwardly extending.

An output shaft 6 is vertically installed at the top of the top-layer planet carrier 12, and the output shaft 6 penetrates through the upper end cover 5 in a rotating mode; the middle part of the upper end cover 5 is provided with a through hole, the through hole is rotatably connected with the output shaft 6 through a bearing, a sealing retainer ring 14 for holes is arranged at the through hole, and a sealing retainer ring 15 for a shaft is arranged on the output shaft 6.

Moreover, a driving shaft of the motor 2 is inserted and fixed with a sun gear 4 on a bottom planetary gear structure, a bottom gasket 10 is padded on the motor flange 1, and the driving shaft and the sun gear 4 on the driving shaft both penetrate through a through hole in the middle of the gasket 10; sun gear 4 is all installed at the middle part of two reduction planet carrier 8 top end faces, and still fills up on the reduction planet carrier 8 and is equipped with connecting pad 9, and sun gear 4 on the reduction planet carrier 8 passes the through-hole in connecting pad 9 middle part.

In this embodiment, motor 2 during operation, the drive shaft drives the sun gear 4 rotation of bottom, near the transmission of the sun gear 4 of bottom three speed reduction planet wheel 7, speed reduction planet wheel 7 is at the ring gear internal rotation of ring gear cover 3, thereby it rotates to drive speed reduction planet carrier 8, the speed reduction planet carrier 8 of bottom drives medial three speed reduction planet wheel 7 through sun gear 4 above the after rotating and rotates, medial three speed reduction planet wheel 7 drives medial speed reduction planet carrier 8 and rotates after rotating, medial speed reduction planet carrier 8 drives top layer planet wheel 13 and rotates through sun gear 4 above the after rotating, top layer planet wheel 13 drives top layer planet carrier 12 and rotates after rotating, top layer planet carrier 12 drives output shaft 6 and rotates, motor 2 is through a series of planet wheels, the planet carrier slows down, make output shaft 6 can carry out the speed reduction output.

Wherein, motor 2 is through three planetary reduction gears of group, and three planetary reduction gears of group are from supreme transmission in proper order down, carry out stable, orderly tooth transmission speed reduction for motor 2 can be stabilized, orderly speed reduction, improve motor 2's speed reduction stability and efficiency.

The utility model discloses in, motor 2 decelerates through three planetary reduction gears of group, and the group all decelerates through the planet wheel of three sides for output shaft 6 can carry out the output that slows down, and three planetary reduction gears of group follow supreme transmission in proper order down, carry out stable, orderly tooth transmission speed reduction, make motor 2 can stabilize, orderly speed reduction, improve motor 2's speed reduction stability and efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The speed reducing motor comprises a motor (2) and is characterized in that the motor (2) is connected with and provided with a gear ring sleeve (3) through a motor flange (1), the top end of the gear ring sleeve (3) is fixedly provided with an upper end cover (5), and a speed reducing mechanism is arranged in the gear ring sleeve (3);

the speed reducing mechanism comprises three groups of planetary gear structures, the bottom two groups of planetary gear structures comprise a speed reducing planet carrier (8), the speed reducing planet carrier (8) is connected with and provided with three speed reducing planet gears (7) through three needle shafts (11), the top planetary gear structure comprises a top planet carrier (12), the top planet carrier (12) is connected with and provided with three top planet gears (13) through three needle shafts (11), sun gears (4) are arranged between the speed reducing planet gears (7) and the inner sides of the top planet gears (13) in a meshed mode, a gear ring is arranged on the inner side of the gear ring sleeve (3), and the outer sides of the speed reducing planet gears (7) and the top planet gears (13) are meshed with the gear ring;

an output shaft (6) is vertically installed at the top of the top layer planet carrier (12), and the output shaft (6) rotates to penetrate through the upper end cover (5).

2. The geared motor according to claim 1, characterized in that the drive shaft of the motor (2) is fitted with a sun gear (4) fixed to a bottom planetary gear structure, and the motor flange (1) is padded with a bottom pad (10), and the drive shaft and the sun gear (4) on the drive shaft are both passed through a through hole in the middle of the pad (10).

3. The gear motor according to claim 1, characterized in that the sun gear (4) is mounted in the middle of the top end faces of the two reduction planet carriers (8), a connecting gasket (9) is further padded on each reduction planet carrier (8), and the sun gear (4) on each reduction planet carrier (8) penetrates through a through hole in the middle of the connecting gasket (9).

4. The gear motor according to claim 1, characterized in that a through hole is formed in the middle of the upper end cover (5), the through hole is rotatably connected with the output shaft (6) through a bearing, a sealing retainer ring (14) for a hole is installed at the through hole, and a sealing retainer ring (15) for a shaft is installed on the output shaft (6).

5. The gear motor according to claim 1, characterized in that three needle shafts (11) are uniformly distributed and rotatably mounted on the gear carrier (8) and the top layer carrier (12), and the needle shafts (11) extend vertically and downwards.