CN219204263U - Speed reducing motor - Google Patents

Abstract

The utility model provides a speed reduction motor, and belongs to the technical field of motors. It has solved the poor problem of current motor radiating effect. The gear motor comprises a rotor assembly and a motor housing, wherein an installation cavity is formed in the motor housing, the rotor assembly is installed in the installation cavity, an annular cavity is formed in the entity of the motor housing, a partition part which divides the annular cavity into a liquid inlet cavity and a liquid outlet cavity is arranged in the annular cavity along the circumferential direction of the annular cavity, a liquid passing notch which is communicated with the liquid inlet cavity and the liquid outlet cavity is formed in the bottom of the partition part, a liquid inlet hole which is communicated with the liquid inlet cavity is formed in the top of the motor housing, and a liquid outlet hole which is communicated with the liquid outlet cavity is formed in the top of the motor housing. Therefore, the cooling liquid can form a circulation, the cooling liquid can better take away heat on the motor shell, the motor shell is sufficiently cooled, and the heat dissipation effect is quite good.

Description

Speed reducing motor

Technical Field

The utility model belongs to the technical field of motors, and relates to a speed reducing motor.

Background

The servo motor is used as a micro-special motor of an executive component in the automatic control device, is also called an executive motor, and has the function of converting an electric signal into the angular displacement or the angular velocity of a rotating shaft, and the rotor is stationary before the signal arrives; immediately after the signal comes, the rotor rotates; when the signal disappears, the rotor can stop rotating immediately. It is named because of its "servo" capability.

When the motor works, a large amount of heat can be generated by a large amount of current in the motor, and the rotor can also generate a large amount of heat in the high-speed running process.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a gear motor. The motor solves the technical problem that the existing motor is poor in heat dissipation effect.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a gear motor, includes rotor subassembly and motor casing, have the installation cavity in the motor casing, rotor subassembly installs at the installation cavity, its characterized in that, motor casing's entity is inside to have annular cavity, be provided with the interval portion that divide into inlet chamber and flowing back chamber with annular cavity along its circumference in the annular cavity, the bottom of interval portion has the liquid breach that crosses with inlet chamber and flowing back chamber intercommunication, be provided with the feed liquor hole with the inlet chamber intercommunication on motor casing's the top, be provided with the flowing back hole with the flowing back chamber intercommunication on motor casing's the top.

This application improves gear motor's motor housing, sets up annular cavity on motor housing, and annular cavity can pour into the coolant liquid into, dispels the heat to motor housing, improves the radiating effect.

This application is provided with the interval portion in the annular chamber, the interval portion can divide into two with annular chamber along its length direction, divide into feed liquor chamber and flowing back chamber, be provided with the feed liquor hole with feed liquor chamber intercommunication on motor housing top, be provided with the flowing back hole with flowing back chamber intercommunication on motor housing's top, be provided with the liquid breach at the lower extreme of interval portion moreover, the design is from the feed liquor hole entering can from last to down flow to the bottom of feed liquor chamber and then from the liquid chamber of crossing of bottom entering into the liquid chamber of clapping and is filled up slowly, the flowing back intracavity of follow the top again is discharged, can let the coolant liquid form a circulation like this, let the coolant liquid can be better take away the heat on the motor housing, fully cool down to motor housing, the radiating effect is very good.

In the above gear motor, the motor housing includes a housing body, an end cover and a tail cover, the housing body is annular, and the annular chamber is located on the housing body and circumferentially distributed along the housing body.

In the above-described gear motor, the annular chamber has a length that is close to the length of the case body.

The annular cavity is close to the length of the shell body, so that the heat dissipation area is large, and the heat dissipation effect is further improved.

In the gear motor, a plurality of rib plates with uniform intervals are arranged at the lower end of the shell body, and a bottom plate is fixed at the bottom of each rib plate.

The rib plate and the bottom plate can conduct heat, so that the gear motor can be conveniently fixed with the outside, and a certain heat dissipation effect can be achieved.

In the gear motor, the bottom plate is vertically provided with a plurality of bolts, and the bolts are sleeved with the shock pads.

The speed reducing motor can be fixed with the outside through bolts, and can be subjected to buffering and damping through the damping pad after being fixed.

The utility model has the beneficial effects that: when the cooling liquid enters from the liquid inlet hole and can flow to the bottom of the liquid inlet cavity from top to bottom and then enters from the liquid passing cavity of the bottom into the liquid beating cavity, the liquid discharging cavity is filled up slowly, and then is discharged from the liquid discharging hole at the top, so that the cooling liquid can form a circulation, the cooling liquid can better take away the heat on the motor shell, the motor shell is cooled fully, and the heat dissipation effect is very good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a sectional view of the case body at the drain hole of the present utility model in a radial direction thereof.

In the figure, 1, a rotor assembly; 2. a motor housing; 21. a housing body; 22. an end cap; 23. a tail cover; 24. a mounting cavity; 25. an annular chamber; 251. a liquid inlet cavity; 252. a liquid discharge cavity; 26. a spacer; 261. a liquid passing notch; 27. a liquid inlet hole; 28. a liquid discharge hole; 3. rib plates; 4. a bottom plate; 5. a bolt; 6. and a shock pad.

Detailed Description

The gear motor comprises a rotor assembly 1 and a motor housing 2, wherein a mounting cavity 24 is formed in the motor housing 2, the rotor assembly 1 is mounted in the mounting cavity 24, an annular cavity 25 is formed in the entity of the motor housing 2, a partition part 26 for dividing the annular cavity 25 into a liquid inlet cavity 251 and a liquid outlet cavity 252 is arranged in the annular cavity 25 along the circumferential direction of the annular cavity, a liquid passing notch 261 for communicating the liquid inlet cavity 251 with the liquid outlet cavity 252 is formed in the bottom of the partition part 26, a liquid inlet hole 27 communicated with the liquid inlet cavity 251 is formed in the top of the motor housing 2, and a liquid outlet hole 28 communicated with the liquid outlet cavity 252 is formed in the top of the motor housing 2. This application improves gear motor's motor housing 2, sets up annular cavity 25 on motor housing 2, and annular cavity 25 internal energy is poured into the coolant liquid, dispels the heat to motor housing 2, improves the radiating effect. This application is provided with spacer portion 26 in annular cavity 25, spacer portion 26 can divide into two with annular cavity 25 along its length direction, divide into feed liquor cavity 251 and flowing back chamber 252, be provided with on motor housing 2 top with feed liquor cavity 251 intercommunication's feed liquor hole 27, be provided with on motor housing 2's top with the flowing back hole 28 of flowing back chamber 252 intercommunication, be provided with the liquid breach 261 at spacer portion 26's lower extreme moreover, the design is from the feed liquor hole 27 entering can be by the top to the bottom of flowing down to feed liquor cavity 251 again from the bottom cross the liquid chamber entering into the liquid chamber of clapping the liquid intracavity slowly and fill up the flowing back chamber 252, discharge from the flowing back hole 28 at top again, can let the coolant liquid form a circulation like this, let the coolant liquid can be better take away the heat on the motor housing 2, fully cool down to motor housing 2, the radiating effect is very good.

The motor housing 2 includes a housing body 21, an end cover 22 and a tail cover 23, the housing body 21 is annular, and annular chambers 25 are located on the housing body 21 and distributed along the circumference of the housing body 21. The annular chamber 25 has a length close to the length of the housing body 21. The annular chamber 25 is close to the length of the case body 21, so that the heat dissipation area is large, and the heat dissipation effect is further improved. The lower extreme of shell body 21 sets up a plurality of even floor 3 of interval, and the bottom of floor 3 is fixed with bottom plate 4. The rib plate 3 and the bottom plate 4 can conduct heat, so that the gear motor can be conveniently fixed with the outside, and a certain heat dissipation effect can be achieved. A plurality of bolts 5 are vertically arranged on the bottom plate 4, and shock pads 6 are sleeved on the bolts 5. The speed reducing motor can be fixed with the outside through the bolts 5, and after the speed reducing motor is fixed, the speed reducing motor can be buffered and damped through the damping cushion 6.

In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, while the basic principles, main features, and advantages of the present utility model are shown and described above, and it should be understood by those skilled in the art.

Claims (5)

1. The utility model provides a gear motor, includes rotor subassembly (1) and motor casing (2), have installation cavity (24) in motor casing (2), rotor subassembly (1) are installed in installation cavity (24), its characterized in that, the entity inside of motor casing (2) has annular cavity (25), be provided with in annular cavity (25) along its circumference with annular cavity (25) divide into liquid inlet cavity (251) and drain cavity (252) spacer portion (26), the bottom of spacer portion (26) has through liquid breach (261) with liquid inlet cavity (251) and drain cavity (252) intercommunication, be provided with on the top of motor casing (2) with liquid inlet hole (27) of liquid inlet cavity (251) intercommunication, be provided with on the top of motor casing (2) with drain hole (28) of drain cavity (252) intercommunication.

2. A gear motor according to claim 1, wherein the motor housing (2) comprises a housing body (21), an end cap (22) and a tail cap (23), the housing body (21) is annular, and the annular chambers (25) are located on the housing body (21) and distributed circumferentially along the housing body (21).

3. A gear motor according to claim 2, characterized in that the length of the annular chamber (25) is close to the length of the housing body (21).

4. A gear motor according to claim 2 or 3, characterized in that the lower end of the housing body (21) is provided with a plurality of ribs (3) spaced uniformly, and the bottom of the ribs (3) is fixed with a bottom plate (4).

5. A gear motor according to claim 4, wherein a plurality of bolts (5) are vertically arranged on the bottom plate (4), and the bolts (5) are sleeved with shock-absorbing pads (6).

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