CN212480070U - Speed reducer with heat dissipation function - Google Patents

Abstract

The utility model relates to a speed reducer technical field especially relates to a speed reducer with heat dissipation function, including frame, motor casing and fan housing, motor casing install on the frame, the motor casing rear end be equipped with the motor rear end cap, the motor rear end cap be located the fan housing, have the fan housing screw on the fan housing, the fan housing both sides set up on the motor rear end cap through the fan housing screw, have drive mechanism and output shaft in the motor casing, output shaft one end set up on the drive mechanism in the motor casing; the fan cover in have fan main part and blade, the blade set up in fan main part, fan main part sets up on drive mechanism. The pivot and the rotor shaft of fan are same pivot, and when the output shaft was when rotating, the output shaft pass through transmission framework transmission fan and move, can dispel the heat to the speed reducer in the course of the work, convenient to use, the practicality is strong.

Description

Speed reducer with heat dissipation function

Technical Field

The utility model relates to a speed reducer technical field especially relates to a speed reducer with heat dissipation function.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission, gear and worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.

The speed reducer can produce a large amount of waste heat when the working process, leads to speed reducer work efficiency to reduce easily, and life shortens, and other spare parts in the speed reducer damage because of generating heat easily, to this problem, the utility model provides a speed reducer with heat dissipation function.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a speed reducer with heat dissipation function.

The utility model adopts the technical proposal that: a speed reducer with a heat dissipation function comprises a base, a motor shell and a fan housing, wherein the motor shell is installed on the base, a motor rear end cover is arranged at the rear end of the motor shell, the inner diameter of the front end of the fan housing is larger than the outer diameters of the motor rear end cover and the motor shell, the motor rear end cover is positioned in the fan housing, fan housing screws are arranged on the fan housing, two sides of the fan housing are arranged on the motor rear end cover through the fan housing screws, a transmission mechanism and an output shaft are arranged in the motor shell, one end of the output shaft is arranged on the transmission mechanism in the motor shell, and the other end of; the fan cover is internally provided with a fan main body and blades, the blades are connected and arranged on the fan main body through threads, and the fan main body is arranged on the transmission mechanism; the motor back cover open and to have first logical groove, install the admission cylinder on the first logical groove, the direction of admitting air of admission cylinder parallels with motor casing, and the inner chamber of electric casing passes through admission cylinder and fan housing intercommunication, the pivot and the rotor shaft of fan are same pivot, when the output shaft is rotating, the output shaft move through transmission framework transmission fan, can dispel the heat to the speed reducer in the course of the work, convenient to use, the practicality is strong.

Preferably, the rear end of the fan cover and the front end of the motor shell are provided with a plurality of air inlet holes in a penetrating manner, the number of the air inlet cylinders is at least two, and the air inlet holes and the air inlet cylinders are the same in number and are in one-to-one correspondence in position; the air inlet cylinder have inlet channel, air inlet and gas outlet, inlet channel is located first logical groove, air inlet and gas outlet respectively towards fan housing direction and motor casing direction, this design is through setting up the fan, and fan during operation wind gets into to the motor casing by the air inlet cylinder respectively, the inlet port on rethread fan housing and the motor casing link up mutually to stably realize carrying out simultaneous cooling ventilation to motor casing inside and outside, further effectively improve radiating efficiency and effect, thereby improve the job stabilization nature of speed reducer.

Preferably, the motor housing is provided with a first mounting hole for mounting the output shaft in a matched manner, an oil seal is arranged between the output shaft and the first mounting hole, a first deep groove ball bearing and a shaft sleeve are arranged in the motor housing, and the output shaft is fixed in the motor housing through the first deep groove ball bearing and the shaft sleeve; the transmission mechanism comprises a first transmission piece and a second transmission piece, an output gear is mounted on the output shaft, and the output gear drives the first transmission piece.

Preferably, the first transmission member transmits the second transmission member, the first transmission member includes a first gear shaft, a second deep groove ball bearing and a first gear, the first gear shaft is arranged in the motor housing through the second deep groove ball bearing and is located below the first deep groove ball bearing, the first gear is arranged on the first gear shaft, a first helical gear is arranged on the first gear shaft, and the output gear is meshed with the first helical gear.

Preferably, the second transmission part comprises a rotor, a rotor shaft and a third deep groove ball bearing, the front section and the rear section of the rotor shaft are arranged in the motor shell through the third deep groove ball bearing, and the middle section is fixedly installed through the rotor.

Preferably, one end of the rotor shaft is provided with a second helical gear, the second helical gear is meshed with the first gear, and the other end of the rotor shaft extends out of the motor shell and is connected with the fan main body and located in the fan cover.

Preferably, an annular groove is formed in the side wall of the rotor shaft, a 0-shaped ring is arranged in the annular groove, and the peripheral surface of the 0-shaped ring is abutted to the motor shell.

To sum up, the utility model discloses beneficial effect does:

1. two sides of the fan cover are arranged on the rear end cover of the motor through fan cover screws, a transmission mechanism and an output shaft are arranged in the motor shell, one end of the output shaft is arranged on the transmission mechanism in the motor shell, and the other end of the output shaft extends out of the motor shell; the fan cover is internally provided with a fan main body and blades, the blades are connected and arranged on the fan main body through threads, and the fan main body is arranged on the transmission mechanism; the transmission mechanism comprises a first transmission piece and a second transmission piece, the output shaft transmits the first transmission piece, the first transmission piece transmits the second transmission piece, and the second transmission piece further enables the fan to rotate, so that the speed reducer is cooled.

2. The motor rear cover is provided with a first through groove, the first through groove is provided with an air inlet cylinder, the air inlet direction of the air inlet cylinder is parallel to the motor shell, the rear end of the fan housing and the front end of the motor shell are provided with a plurality of air inlet holes in a penetrating manner, the number of the air inlet cylinders is at least two, and the air inlet holes and the air inlet cylinders are the same and are in one-to-one correspondence with each other in position; the air inlet cylinder have inlet channel, air inlet and gas outlet, inlet channel is located first logical groove, air inlet and gas outlet respectively towards fan housing direction and motor casing direction, this design is through setting up the fan, and fan during operation wind gets into to the motor casing by the air inlet cylinder respectively, the inlet port on rethread fan housing and the motor casing link up mutually to stably realize carrying out simultaneous cooling ventilation to motor casing inside and outside, further effectively improve radiating efficiency and effect, thereby improve the job stabilization nature of speed reducer.

3. The first transmission piece comprises a first gear shaft, a second deep groove ball bearing and a first gear, the first gear shaft is arranged in the motor shell through the second deep groove ball bearing and is positioned below the first deep groove ball bearing, the first gear is arranged on the first gear shaft, a first helical gear is arranged on the first gear shaft, and the output gear is meshed with the first helical gear; the second driving medium sets up in the motor housing through third deep groove ball bearing including rotor, rotor shaft and third deep groove ball bearing, rotor shaft anterior segment and back end, and the middle section passes through rotor fixed mounting, rotor shaft one end be provided with the second helical gear, second helical gear and first gear engagement, the output shaft rotate the first helical gear of further transmission first gear epaxial, thereby the first helical gear of transmission rotates, the epaxial second helical gear of first gear drive rotor of first transmission shaft, thereby the second helical gear rotates and further makes the rotor shaft rotate, the fan can move.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that other drawings are obtained from the drawings.

FIG. 1 is a general schematic view of the present invention;

fig. 2 is a schematic structural view of the transmission mechanism of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

The labels in the figure are: the fan comprises a base 1, a motor shell 2, afan cover 3, a motorrear end cover 4, a fan cover screw 5, anoutput shaft 6, a fan main body 7,blades 8, a first through groove 9, anair inlet cylinder 10, anair inlet 11, anair inlet channel 12, anair inlet 13, anair outlet 14, afirst mounting hole 15, anoil seal 16, a first deep groove ball bearing 17, ashaft sleeve 18, anoutput gear 19, afirst gear shaft 20, a second deepgroove ball shaft 21, afirst gear 22, a firsthelical gear 23, arotor 24, arotor shaft 25, a third deep groove ball bearing 26, a secondhelical gear 27, anannular groove 28 and a 0-shaped ring 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 3, fig. 3 is an enlarged view of a position a in fig. 1, a position a is a schematic structural view of anair inlet cylinder 10, and a speed reducer with a heat dissipation function includes a base 1, a motor housing 2 and afan housing 3, the motor housing 2 is mounted on the base 1, a motorrear end cover 4 is disposed at a rear end of the motor housing 2, inner diameters of front ends of thefan housing 3 are both larger than outer diameters of the motorrear end cover 4 and the motor housing 2, the motorrear end cover 4 is located in thefan housing 3, a fan housing screw 5 is disposed on thefan housing 3, and two sides of thefan housing 3 are disposed on the motorrear end cover 4 through the fan; the motor shell 2 is internally provided with a transmission mechanism and anoutput shaft 6, the motor shell 2 is provided with afirst mounting hole 15 for mounting theoutput shaft 6 in a matching manner, anoil seal 16 is arranged between theoutput shaft 6 and thefirst mounting hole 15, the motor shell 2 is internally provided with a first deep groove ball bearing 17 and ashaft sleeve 18, one end of theoutput shaft 6 is fixed in the motor shell 2 through the first deep groove ball bearing 17 and theshaft sleeve 18, and the other end of the output shaft extends out of the motor shell 2;

the speed reducer can produce a large amount of waste heat when the course of operation, leads to speed reducer work efficiency to reduce easily, and life shortens, and other spare parts in the speed reducer damage because of generating heat easily, to this problem, the utility model discloses preferred embodiment is,fan housing 3 in have fan main part 7 andblade 8,blade 8 set up on fan main part 7 through threaded connection, fan main part 7 sets up on drive mechanism, whenoutput shaft 6 is when rotating,output shaft 6 move through transmission framework transmission fan, can dispel the heat to the speed reducer in the course of operation.

In order to make the transmission mechanism more stable, the preferred embodiment of the present invention is that the transmission mechanism includes a first transmission member and a second transmission member, theoutput shaft 6 is provided with anoutput gear 19, the first transmission member includes afirst gear shaft 20, a second deep groove ball bearing 21 and afirst gear 22, thefirst gear shaft 20 is arranged in the motor housing 2 through the second deep groove ball bearing 21 and is located below the first deep groove ball bearing 17, the first gear is arranged on thefirst gear shaft 20, thefirst gear shaft 20 is provided with a firsthelical gear 23, and theoutput gear 19 is meshed with the firsthelical gear 23;

the second transmission part comprises arotor 24, arotor shaft 25 and a third deep groove ball bearing 26, the front section and the rear section of therotor shaft 25 are arranged in the motor shell 2 through the third deep groove ball bearing 26, the middle section of the rotor shaft is fixedly installed through therotor 24, anannular groove 28 is formed in the side wall of therotor shaft 25, a 0-shaped ring 29 is arranged in theannular groove 28, and the outer peripheral surface of the 0-shaped ring 29 is abutted to the motor shell 2; one end of therotor shaft 25 is provided with asecond bevel gear 27, thesecond bevel gear 27 is meshed with thefirst gear 22, and the other end of therotor shaft 25 extends out of the motor casing to be connected with the fan main body 7 and is positioned in thefan cover 3; the rotation of theoutput shaft 6 further drives thefirst bevel gear 23 on thefirst gear shaft 20, thefirst bevel gear 23 rotates to drive thefirst gear shaft 20 to rotate, thefirst gear 22 of the first transmission shaft drives thesecond bevel gear 27 on therotor shaft 25, thesecond bevel gear 27 rotates to further drive therotor shaft 25 to rotate, and the fan operates.

In order to further improve the heat dissipation efficiency, the preferred embodiment of the present invention is that, the motor rear cover is provided with a first through groove 9, anair inlet cylinder 10 is installed on the first through groove 9, theair inlet cylinder 10 is provided with anair inlet channel 12, anair inlet 13 and anair outlet 14, theair inlet channel 12 is located on the first through groove 9, theair inlet 13 and theair outlet 14 respectively face the direction of the fan housing and the direction of the motor housing 2, the air inlet direction of theair inlet cylinder 10 is parallel to the motor housing 2, the inner cavity of the electric housing is communicated with thefan housing 3 through theair inlet cylinder 10, and the rotating shaft of the fan and therotor shaft 25 are the same rotating shaft; the rear end offan housing 3 and motor casing 2 front end run through to open and have a plurality ofinlet port 11,inlet cylinder 10 have two at least, andinlet port 11 and inletcylinder 10 the same and position one-to-one, fan during operation wind enters into motor casing 2 byinlet cylinder 10 respectively in, rethreadfan housing 3 link up withinlet port 11 on the motor casing 2 mutually to stable realization carries out simultaneous cooling and ventilation to motor casing 2 inside and outside.

The working mode is as follows: the rotation of theoutput shaft 6 further drives thefirst bevel gear 23 on thefirst gear shaft 20, thefirst bevel gear 23 rotates to drive thefirst gear shaft 20 to rotate, thefirst gear 22 of the first transmission shaft drives thesecond bevel gear 27 on therotor shaft 25, thesecond bevel gear 27 rotates to further drive therotor shaft 25 to rotate, and the fan operates; the fan is at the rotation in-process, and wind enters into to motor casing 2 in byair inlet cylinder 10 respectively, and rethread fan housing 3 link up with each other withinlet port 11 on the motor casing 2 to the stable realization carries out heat dissipation ventilation simultaneously to motor casing 2 inside and outside.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims (7)

1. The utility model provides a speed reducer with heat dissipation function, including frame, motor casing and fan housing, motor casing install on the frame, the motor casing rear end is provided with motor rear end cap, the front end internal diameter of fan housing all is greater than motor rear end cap and motor casing's external diameter, motor rear end cap be located the fan housing, the fan housing screw has on the fan housing, the fan housing both sides set up its characterized in that on the motor rear end cap through the fan housing screw: a transmission mechanism and an output shaft are arranged in the motor shell, one end of the output shaft is arranged on the transmission mechanism in the motor shell, and the other end of the output shaft extends out of the motor shell; the fan cover is internally provided with a fan main body and blades, the blades are connected and arranged on the fan main body through threads, and the fan main body is arranged on the transmission mechanism; the motor rear end cover is provided with a first through groove, an air inlet cylinder is arranged on the first through groove, the air inlet direction of the air inlet cylinder is parallel to the motor shell, and the inner cavity of the electric shell is communicated with the fan cover through the air inlet cylinder.

2. A speed reducer with a heat dissipation function according to claim 1, characterized in that: the rear end of the fan cover and the front end of the motor shell are provided with a plurality of air inlet holes in a penetrating way, the number of the air inlet cylinders is at least two, and the air inlet holes and the air inlet cylinders are the same in number and are in one-to-one correspondence in position; the air inlet cylinder is provided with an air inlet channel, an air inlet and an air outlet, the air inlet channel is located on the first through groove, and the air inlet and the air outlet face the direction of the fan cover and the direction of the motor shell respectively.

3. A speed reducer with a heat dissipation function according to claim 1, characterized in that: the motor shell is provided with a first mounting hole for mounting the output shaft in a matched manner, an oil seal is arranged between the output shaft and the first mounting hole, a first deep groove ball bearing and a shaft sleeve are arranged in the motor shell, and the output shaft is fixed in the motor shell through the first deep groove ball bearing and the shaft sleeve; the transmission mechanism comprises a first transmission piece and a second transmission piece, an output gear is mounted on the output shaft, and the output gear drives the first transmission piece.

4. A speed reducer with a heat dissipation function according to claim 3, wherein: the first transmission piece transmits the second transmission piece, the first transmission piece comprises a first gear shaft, a second deep groove ball bearing and a first gear, the first gear shaft is arranged in the motor shell through the second deep groove ball bearing and is located below the first deep groove ball bearing, the first gear is arranged on the first gear shaft, a first helical gear is arranged on the first gear shaft, and the output gear is meshed with the first helical gear.

5. A speed reducer with a heat dissipation function according to claim 4, wherein: the second transmission part comprises a rotor, a rotor shaft and a third deep groove ball bearing, the front section and the rear section of the rotor shaft are arranged in the motor shell through the third deep groove ball bearing, and the middle section is fixedly installed through the rotor.

6. A speed reducer with a heat dissipation function according to claim 5, wherein: and one end of the rotor shaft is provided with a second helical gear, the second helical gear is meshed with the first gear, and the other end of the rotor shaft extends out of the motor shell and is connected with the fan main body and positioned in the fan cover.

7. A speed reducer with a heat dissipation function according to claim 6, wherein: the side wall of the rotor shaft is provided with an annular groove, a 0-shaped ring is arranged in the annular groove, and the peripheral surface of the 0-shaped ring is abutted to the motor shell.

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