Gear box motor

Abstract

The utility model discloses a gear box motor, which comprises a motor and a gear box connected with a motor shaft, the gear box comprises a box body and a box cover matched with the box body, a reduction gear set is installed in the box body through a plurality of gear shaft cores, the motor shaft penetrates into the box body and is provided with a gear III in an interference fit mode, and the gear III is provided with a gear III. The third gear is meshed with a reduction gear set in the box body, an output shaft and a first gear in interference fit with the output shaft are further installed on the box body, the first gear is meshed with the reduction gear set, the output shaft penetrates through the gear box and extends out of the gear box, and a first shaft sleeve and a second shaft sleeve are in interference fit with the positions, used for installing the output shaft, of the box body and the box cover respectively. The output shaft is fixed to the second shaft sleeve in an interference fit mode, and a first ball bearing is further installed in the box body. The reduction gear set is arranged between the gear box cover and the gear box body, the speed of the motor is changed through the reduction gear set, the motor has the advantages of being convenient to install and small in size, and the problem that in the prior art, a large-size reduction device is generally adopted in the motor application process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a gear box motor. Background Art

[0002] In the prior art, motors generally use larger reduction gears in practical applications. Large reduction gears are inconvenient to install due to their large size, and may even be impossible to install in a limited space. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a method to solve the above-mentioned problems.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A gearbox motor comprises a motor and a gearbox connected to a motor shaft, the gearbox comprising a housing and a housing cover matched with the housing, a reduction gear set is installed in the housing via a plurality of gear shaft cores, the motor shaft penetrates into the housing and is equipped with a gear three by interference fit, the gear three meshes with the reduction gear set in the housing, an output shaft and a gear one interference fit on the output shaft are also installed on the housing, the gear one meshes with the reduction gear set, the output shaft passes through the gearbox and extends outside the gearbox, the positions for installing the output shaft on the housing and the housing cover are respectively interference fit with a sleeve one and a sleeve two, the output shaft is fixed on the sleeve two by interference fit, and a ball bearing one is also installed in the housing.

[0006] In the above-mentioned utility model, further, the reduction gear set includes a first double gear, a second double gear and gear two, the gear three is meshed with gear two, gear two is meshed with the pinion on the second double gear, the large gear on the second double gear is meshed with the large gear on the first double gear, and gear one is meshed with the pinion on the first double gear.

[0007] In the above utility model, further, the box body and the box cover are fixedly connected by fixing screws.

[0008] In the above utility model, further, the motor is fixed to the surface of the box cover by fixing screw 2.

[0009] In the above utility model, further, the motor includes a motor end cover and a rotor, a stator core, a neodymium iron boron magnet, and ball bearings 2 and 3 that are interference fit on the rotor, the neodymium iron boron magnet is glued and fixed to the rotor, the driving end of the rotor extends through the motor end cover and the box cover to the inside of the box, and the driving end of the rotor is connected to gear 3 by interference fit.

[0010] In the above utility model, further, the motor end cover includes an upper end cover and a lower end cover, the upper end cover and the lower end cover are fixedly connected by three fixing screws, the stator core is placed on the lower end cover, and the stator core, the upper end cover, the lower end cover and the rotor are locked together by the three fixing screws, and the ball bearings two and three are respectively fixed in the lower end cover and the upper end cover by interference fit, and the lower end cover is fixed to the surface of the box cover by the two fixing screws.

[0011] In the above utility model, further, a washer 1 and a washer 2 are provided in the motor, and the washer 1 and the washer 2 are respectively fixed inside the upper end cover and the lower end cover of the motor by means of clearance fit.

[0012] The beneficial effects of the utility model are:

[0013] Compared with the prior art, the implementation method of the utility model adopts a method of arranging a motor on the cover of the gear box, and arranging a reduction gear set between the gear box cover and the gear box body; the motor changes speed through the reduction gear set, which has the advantages of easy installation and small size, and solves the technical problem that in the prior art, motors generally use large reduction devices in applications, and large reduction devices are inconvenient to install due to their large size, and may even be impossible to install in a limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall combination of the utility model;

[0015] Figure 2 It is an exploded view of the utility model.

[0016] In the figure, 100-gearbox, 200-motor, 1-output shaft, 2-sleeve one, 3-fixing screw one, 4-box, 5-shaft core, 6-gear one, 7-first double gear, 8-gear two, 9-second double gear, 10-gear three, 11-box cover, 12-sleeve two, 13-fixing screw two, 14-lower end cover, 15-ball bearing one, 16-washer two, 17-ball bearing two, 18-stator core, 19-rotor, 20-NdFeB magnet, 21-fixing screw three, 22-ball bearing three, 23-washer one, 24-upper end cover. DETAILED DESCRIPTION

[0017] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0018] Please see attached Figure 1 As shown in Appendix 2, a gearbox motor includes a motor 200 and a gearbox 100 connected to the motor shaft, wherein the gearbox 100 is used for deceleration, the motor 200 drives the gearbox 100 to decelerate the output, and the output shaft 1 on the gearbox 100 is connected to other devices for outputting rotational torque;

[0019] The gearbox 100 includes a box body 4 and a box cover 11 matched with the box body 4. The box body 4 and the box cover 11 are fixedly connected by fixing screws 3 to form a housing of the gearbox 100. A reduction gear set is installed in the box body 4 through multiple gear shaft cores 5. A reduction gear set is arranged between the gearbox 100 cover and the gearbox 100 body, which has the advantages of convenient installation and small size, and solves the problem that the motor 200 in the prior art generally adopts a large reduction device in application;

[0020] The gear shaft core 5 is fixed on the box body 4 by means of interference fit;

[0021] The motor 200 is fixed to the surface of the box cover 11 by fixing screws 2 13, and the motor shaft penetrates into the box body 4 and is installed with a gear 3 10 by interference fit. The gear 3 10 is meshed with the reduction gear set in the box body 4. The motor shaft drives the electric gear 3 10 to rotate, and the gear 3 10 drives the reduction gear set to rotate, thereby realizing the deceleration function. The box body 4 is also equipped with an output shaft 1 and a gear 1 6 that is interference fit on the output shaft 1. The gear 1 6 is also installed in the box body 4. The gear 1 6 is meshed with the reduction gear set. The reduction gear set then drives the gear 1 6 and the output shaft 1 to rotate. The output shaft 1 passes through the gear box 100 and extends to the outside of the gear box 100, and is connected to other equipment;

[0022] The positions for installing the output shaft 1 on the box body 4 and the box cover 11 are respectively interference-fitted with a sleeve 1 2 and a sleeve 2 12, and the output shaft 1 is fixed on the sleeve 2 12 by means of interference fit. The sleeve 1 2 and the sleeve 2 12 are used to fix the output shaft 1 to prevent directional deviation due to vibration. A ball bearing 15 is also installed in the box body 4, and the ball bearing 15 is used to support the output shaft 1 to rotate on the gear box 100.

[0023] Specifically, the reduction gear set includes a first double gear 7, a second double gear 9 and a gear 2 8, the gear 3 10 is meshed with the gear 2 8, the gear 2 8 is meshed with the small gear on the second double gear 9, the large gear on the second double gear 9 is meshed with the large gear on the first double gear 7, and the gear 1 6 is meshed with the small gear on the first double gear 7, that is, the motor shaft drives the gear 2 8 to rotate through the gear 3 10, the gear 2 8 drives the second double gear 9 to rotate, the second double gear 9 drives the first double gear 7, and the first double gear 7 drives the gear 1 6 and the output shaft 1 to rotate, thereby forming a gear reduction mechanism.

[0024] The motor 200 includes an end cover of the motor 200 and a rotor 19, a stator core 18, a neodymium iron boron magnet 20, and a second ball bearing 17 and a third ball bearing 22 which are interference-fitted on the rotor 19. The neodymium iron boron magnet 20 is glued and fixed on the rotor 19. The neodymium iron boron magnet 20 is used to generate a magnetic field and perform an excitation effect under the action of the stator core 18.

[0025] The motor 200 end cover includes an upper end cover 24 and a lower end cover 14, and the upper end cover 24 and the lower end cover 14 are fixedly connected by fixing screws 3 21, and the upper end cover 24 and the lower end cover 14 are fixedly connected to form a housing of the motor 200;

[0026] The driving end of the rotor 19 extends to the interior of the box body 4 through the end cover of the motor 200 and the box cover 11, and the driving end of the rotor 19 is connected to the gear three 10 by interference fit, thereby driving the reduction gear set to operate.

[0027] The stator core 18 is placed in the lower end cover 14, and the stator core 18, the upper end cover 24, the lower end cover 14 and the rotor 19 are locked together by the fixing screws 3 21, and the ball bearings 2 17 and 3 22 are respectively fixed in the lower end cover 14 and the upper end cover 24 by interference fit, and the lower end cover 14 is fixed to the surface of the box cover 11 by the fixing screws 2 13, so that the entire motor 200 is fixed.

[0028] The motor 200 is also provided with a washer 23 and a washer 16, which are respectively fixed to the upper end cover 24 and the lower end cover 14 of the motor 200 by means of clearance fit. The washer 23 and the washer 16 are used to prevent the ball bearing 2 17 and the ball bearing 3 22 from loosening, thereby extending the service life of the motor bearings.

[0029] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left", "right", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0030] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A gearbox motor, characterized in that: The invention comprises a motor (200) and a gear box (100) connected to the shaft of the motor (200), the gear box (100) comprising a box body (4) and a box cover (11) matched with the box body (4), a reduction gear set is installed in the box body (4) via a plurality of gear shaft cores (5), the shaft of the motor (200) penetrates into the box body (4) and is equipped with a gear three (10) by means of interference fit, the gear three (10) meshes with the reduction gear set in the box body (4), and a transmission gear is also installed on the box body (4). An output shaft (1) and a gear one (6) which is interference-fitted on the output shaft (1), the gear one (6) being meshed with a reduction gear set, the output shaft (1) passing through the gear box (100) extending outside the gear box (100), the positions on the box body (4) and the box cover (11) for mounting the output shaft (1) are respectively interference-fitted with a shaft sleeve one (2) and a shaft sleeve two (12), the output shaft (1) is fixed on the shaft sleeve two (12) by means of interference fit, and a ball bearing one (15) is also installed in the box body (4).

2. A gearbox motor according to claim 1, characterized in that: The reduction gear set comprises a first double gear (7), a second double gear (9) and a second gear (8), wherein the third gear (10) is meshed with the second gear (8), the second gear (8) is meshed with the small gear on the second double gear (9), the large gear on the second double gear (9) is meshed with the large gear on the first double gear (7), and the first gear (6) is meshed with the small gear on the first double gear (7).

3. A gearbox motor according to claim 2, characterized in that: The box body (4) and the box cover (11) are fixedly connected by fixing screws (3).

4. The gearbox motor according to claim 3, characterized in that: The motor (200) is fixed to the surface of the box cover (11) by means of fixing screws 2 (13).

5. The gearbox motor according to claim 4, characterized in that: The motor (200) comprises a motor (200) end cover and a rotor (19) arranged in the motor (200) end cover, a stator core (18), a neodymium iron boron magnet (20), and a second ball bearing (17) and a third ball bearing (22) which are interference-fitted on the rotor (19), wherein the neodymium iron boron magnet (20) is glued and fixed on the rotor (19), and a driving end of the rotor (19) passes through the motor (200) end cover and the box cover (11) and extends to the inside of the box body (4), and the driving end of the rotor (19) is connected to the third gear (10) by means of interference fit.

6. The gearbox motor according to claim 5, characterized in that: The motor (200) end cover comprises an upper end cover (24) and a lower end cover (14), the upper end cover (24) and the lower end cover (14) are fixedly connected by fixing screws (21), the stator core (18) is placed on the lower end cover (14), the stator core (18), the upper end cover (24), the lower end cover (14) and the rotor (19) are locked together by fixing screws (21), and the second ball bearing (17) and the third ball bearing (22) are respectively fixed in the lower end cover (14) and the upper end cover (24) by interference fit, and the lower end cover (14) is fixed to the surface of the box cover (11) by fixing screws (13).

7. The gearbox motor according to claim 6, characterized in that: The motor (200) is also provided with a first washer (23) and a second washer (16), and the first washer (23) and the second washer (16) are respectively fixed inside the upper end cover (24) and the lower end cover (14) of the motor (200) by means of clearance fit.

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