CN212063774U

CN212063774U - Speed reducing motor assembly

Info

Publication number: CN212063774U
Application number: CN202020576535.4U
Authority: CN
Inventors: 冯汝生
Original assignee: Nantong Gemma Electric Co ltd
Current assignee: Nantong Gemma Electric Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a speed reducing motor assembly, which comprises a shell, wherein a rotor is arranged in the shell, a stator is arranged outside the rotor, the rotor is connected with a rotating shaft, one end of the rotating shaft is connected with a fan blade blowing outwards, and a filter screen is fixed on an end cover corresponding to the installation of the fan blade; an air inlet channel is formed in the shell, an air inlet communicated with the outside is formed at one end, close to the fan blades, of the air inlet channel, and an air outlet communicated with the inside of the shell is formed at the other end of the air inlet channel. The utility model discloses simple structure is practical convenient, sets the pivot of motor and speed reducer to same through inner structure, has guaranteed the coaxial setting of motor and speed reducer, and forms the negative pressure through outside exhaust and cool down to through the control gas flow direction, make gaseous abundant absorption motor after-heat flow out, improved the cooling efficiency of motor and through the convenient installation and the dismantlement of end cover of special construction.

Description

Speed reducing motor assembly

Technical Field

The utility model belongs to the field of machinery, especially, relate to a gear motor assembly.

Background

Because the rotational speed is too fast during the motor uses, connect the speed reducer to decelerate usually during the use, but this needs to be connected the motor with the commentaries on classics back of speed reducer, and the pivot junction is comparatively fragile, and easily leads to the disalignment phenomenon to appear owing to the installation inaccuracy. In addition, the fan that current motor needs to be connected etc. generally cools down, and the blade of being connected through with the pivot is with outside air compression input motor with its inside heat take away, but the compressed outside air need do work to the air, has improved the temperature of the air that gets into the motor, leads to heat dispersion not good and the energy consumption great. Finally, the end caps of the motor are usually mounted by screws, which is time consuming to install.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model discloses a gear motor assembly, the utility model discloses simple structure is practical convenient, sets the pivot of motor and speed reducer to same through inner structure, has guaranteed the coaxial setting of motor and speed reducer, and cools down through outside exhaust formation negative pressure to through the control gas flow direction, make gaseous abundant absorption motor after-heat flow out, improved the cooling efficiency of motor and through the convenient installation and the dismantlement of end cover of special construction.

In order to solve the above problems, the utility model adopts the following technical proposal:

a speed reduction motor assembly comprises a shell, wherein a rotor is arranged in the shell, a stator is arranged outside the rotor, the rotor is connected with a rotating shaft, one end of the rotating shaft is connected with a fan blade blowing outwards, and a filter screen is fixed on an end cover arranged corresponding to the fan blade; an air inlet channel is formed in the shell, an air inlet communicated with the outside is formed at one end, close to the fan blades, of the air inlet channel, and an air outlet communicated with the inside of the shell is formed at the other end of the air inlet channel;

a first gear is connected on the rotating shaft, a plurality of second gears are meshed outside the first gear, and an inner gear ring meshed with the second gears is formed in the shell in an inward protruding mode; the second gear passes through a gear carrier, one end of the gear carrier is connected with a first supporting plate connected with the rotating shaft in a shaft coupling mode, and the other end of the gear carrier is provided with an output shaft wrapping the rotating shaft and connected with the rotating shaft in a shaft coupling mode; the shell is provided with a mounting hole, and the periphery of the mounting hole is provided with a group of oppositely arranged grooves and a group of oppositely arranged through holes; the end cover is connected with an installation rod matched with the installation hole in a sliding mode, the installation rod is connected with two clamping rods matched with the through holes, clamping heads are formed at the end portions of the clamping rods, the outer ends of the installation rods are connected with baffle plates, and elastic pieces are sleeved on the installation rods;

the fan blades blow outwards to enable the inside of the shell to form negative pressure, air enters from the air inlet, the heat of the shell is absorbed firstly, and then the air enters the inside of the shell to absorb the heat in the shell and flows out from the filter screen of the end cover.

In a further improvement, the elastic member is a spring.

In a further improvement, the chuck is conical.

In a further improvement, the output shaft is connected with the gear carrier through a second support plate.

In a further improvement, the output shaft is connected with a flange plate, and a connecting hole is formed in the flange plate; the flange plate and the output shaft are coaxially welded and fixed or integrally formed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the radial cross-section structure of the present invention.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, it is to be understood that the terms "center," "vertical," "horizontal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Examples

As shown in fig. 1, the gear motor assembly includes a housing 1, a rotor 2 is installed in the housing 1, a stator 3 is installed outside the rotor 2, the rotor 2 is connected with a rotating shaft 4, one end of the rotating shaft 4 is connected with a fan blade 5 blowing outwards, and an end cover 6 installed corresponding to the fan blade 5 is fixed with a filter screen 7; an air inlet channel 8 is formed in the shell 1, an air inlet 9 communicated with the outside is formed at one end of the air inlet channel 8, which is close to the fan blade 5, and an air outlet 10 communicated with the inside of the shell 1 is formed at the other end of the air inlet channel 8;

a first gear 11 is connected on the rotating shaft 4, a plurality of second gears 13 are meshed outside the first gear 11, and an inner gear ring 14 meshed with the second gears 13 is formed in the shell 1 in an inward convex mode; the second gear 13 passes through a gear carrier 15, one end of the gear carrier 15 is connected with a first supporting plate 16 which is coupled with the rotating shaft 4, and the other end is provided with an output shaft 17 which wraps the rotating shaft 4 and is coupled with the rotating shaft 4; a mounting hole 19 is formed on the shell 1, and a group of oppositely arranged grooves 20 and a group of oppositely arranged through holes 21 are formed on the periphery of the mounting hole 19; the end cover 6 is connected with an installation rod 22 matched with the installation hole 19 in a sliding mode, the installation rod 22 is connected with two clamping rods 23 matched with the through holes 21, clamping heads 24 are formed at the end portions of the clamping rods 23, the outer end of the installation rod 22 is connected with a baffle plate 25, and an elastic piece 26 is sleeved on the installation rod 22;

the fan blades 5 blow outwards to enable negative pressure to be formed inside the shell 1, air enters from the air inlet 9, firstly absorbs heat of the shell 1, then enters the shell 1 to absorb heat in the shell and then flows out from the filter screen 7 of the end cover 6. The elastic member 26 is a spring. Chuck 24 is tapered. The output shaft 17 is connected to the carrier 15 through a second support plate 27. The output shaft 17 is connected with a flange plate 28, and a connecting hole 29 is formed on the flange plate 28; the flange plate 28 is fixed to the output shaft 17 by welding or formed integrally therewith.

The utility model discloses during the use, the rotor drives the pivot and rotates, and the pivot drives first gear 11, and then drives second gear 13 and rotatory along inner ring gear 14 to drive the rotatory speed reduction structure that forms of output shaft through the carrier 15, this structure is with motor and speed reducer body coupling, thereby the disalignment problem that appears when having prevented motor and speed reducer and being connected temporarily, and further through the ring flange of pre-installation dead axle, coaxial coupling's when having guaranteed it and being connected other devices precision. And when the end cover is installed, the clamping head 24 is inserted, the baffle plate 25 is pressed downwards, then the baffle plate 25 is rotated until the clamping head 24 is clamped into the groove 20, the installation is completed, when the end cover needs to be disassembled, the baffle plate 25 is pressed downwards, then the baffle plate clamping head 24 is rotated to correspond to the through hole 21, and the end cover can be disassembled by pulling out.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A speed reducing motor assembly comprises a shell (1), wherein a rotor (2) is installed in the shell (1), a stator (3) is installed outside the rotor (2), and the rotor (2) is connected with a rotating shaft (4), and is characterized in that one end of the rotating shaft (4) is connected with a fan blade (5) blowing outwards, and a filter screen (7) is fixed on an end cover (6) installed corresponding to the fan blade (5); an air inlet channel (8) is formed in the shell (1), one end of the air inlet channel (8) close to the fan blade (5) is provided with an air inlet (9) communicated with the outside, and the other end of the air inlet channel is provided with an air outlet (10) communicated with the inside of the shell (1);

a first gear (11) is connected on the rotating shaft (4), a plurality of second gears (13) are meshed outside the first gear (11), and an inner gear ring (14) meshed with the second gears (13) is formed in the shell (1) in an inward protruding mode; the second gear (13) penetrates through a gear carrier (15), one end of the gear carrier (15) is connected with a first supporting plate (16) which is connected with the rotating shaft (4) in a shaft coupling mode, and the other end of the gear carrier is provided with an output shaft (17) which wraps the rotating shaft (4) and is connected with the rotating shaft (4) in a shaft coupling mode; a mounting hole (19) is formed in the shell (1), and a group of oppositely arranged grooves (20) and a group of oppositely arranged through holes (21) are formed in the periphery of the mounting hole (19); end cover (6) sliding connection has installation pole (22) with mounting hole (19) complex, is connected with two kellies (23) with perforation (21) complex on installation pole (22), and kellies (23) tip takes shape has dop (24), and the cover is equipped with elastic component (26) on installation pole (22) outer end is connected with baffle (25) and installation pole (22).

2. The gearmotor assembly of claim 1, wherein the resilient member (26) is a spring.

3. The gearmotor assembly of claim 1, wherein the cartridge (24) is tapered.

4. The gearmotor assembly according to claim 1, wherein the output shaft (17) is connected to the gear carrier (15) by means of a second support plate (27).

5. The gear motor assembly according to claim 1, wherein the output shaft (17) is connected with a flange plate (28), and a connecting hole (29) is formed on the flange plate (28); the flange plate (28) and the output shaft (17) are coaxially welded and fixed or integrally formed.