CN218949218U

CN218949218U - Driving device of electric cart

Info

Publication number: CN218949218U
Application number: CN202221623583.XU
Authority: CN
Inventors: 张奇
Original assignee: Hebei Tianyu Machinery Manufacturing Co ltd
Current assignee: Hebei Tianyu Machinery Manufacturing Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-05-02
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses an electric cart driving device, which comprises a motor, wherein the motor is arranged on one side of a mounting frame, a central shaft penetrating through the mounting frame is arranged on the mounting frame, a sleeve is sleeved outside the central shaft and is in rotary connection with the central shaft, a driving wheel is fixedly arranged outside the sleeve, a large gear is sleeved outside one end, close to the motor, of the sleeve, and the large gear is meshed with a small gear arranged on an output shaft of the motor; the top of mounting bracket is provided with the installation piece, and the middle part of installation piece is provided with the mounting hole that runs through, and electric trolley's hydraulic lifting device passes through the mounting hole to be connected with the installation piece, is provided with spacing hydraulic lifting device's spacing plane on the mounting hole, is provided with locking hydraulic lifting device's locking element on the installation piece. The electric cart driving device with the structure can solve the problems of complex structure and high production cost of the existing driving structure.

Description

Driving device of electric cart

Technical Field

The utility model relates to the technical field of electric carts, in particular to a driving device of an electric cart.

Background

The electric cart is a transport means for pulling goods or people by taking a storage battery as power and driven by a motor, the rear wheel of the electric cart is a driving wheel, and a driving device for driving the driving wheel to rotate is arranged on the rear wheel. The utility model patent (CN 212447078U) discloses a driving wheel driving structure of an electric carrier, which comprises a motor and a speed reducer, wherein the motor and the speed reducer are positioned at two sides of a driving wheel, an input shaft is positioned at the center of the driving wheel, the input shaft is meshed with a rotating shaft through a gear, the rotating shaft is meshed with an output shaft, an output shaft is sleeved outside the input shaft and is in rotary connection with the input shaft, and the driving wheel is fixedly arranged on the output shaft; the mounting seat comprises two sub-boards fixedly connected through screws, and the sub-boards are formed by casting aluminum alloy. Although the driving structure can solve the problem of small diameter of the driving wheel, the driving structure has larger volume, complex structure and higher production cost. The production of the daughter board by a casting process also increases cost.

Disclosure of Invention

The utility model aims to provide an electric cart driving device which solves the problems of complex structure and high production cost of the existing driving structure.

In order to achieve the above purpose, the utility model provides an electric cart driving device, which comprises a motor, wherein the motor is arranged on one side of a mounting frame, a central shaft penetrating through the mounting frame is arranged on the mounting frame, a sleeve is sleeved outside the central shaft and is rotationally connected with the central shaft, a driving wheel is fixedly arranged outside the sleeve, a large gear is sleeved outside one end of the sleeve, which is close to the motor, and the large gear is meshed with a small gear arranged on an output shaft of the motor; the top of mounting bracket is provided with the installation piece, and the middle part of installation piece is provided with the mounting hole that runs through, and electric trolley's hydraulic lifting device passes through the mounting hole to be connected with the installation piece, is provided with spacing hydraulic lifting device's spacing plane on the mounting hole, is provided with locking hydraulic lifting device's locking element on the installation piece.

Preferably, the mounting frame is provided with a through hole for allowing the central shaft to pass through, the end head of the central shaft is provided with external threads, and the central shaft is fixedly connected with the mounting frame through a gasket and a nut.

Preferably, bearings are arranged at two ends of the sleeve, and the sleeve is rotationally connected with the central shaft through the bearings.

Preferably, the driving wheel and the large gear are fixedly connected with the sleeve through a spline or a key block, and one end of the sleeve is provided with a clamp spring with a positioning function on the driving wheel.

Preferably, grooves are formed in two sides of the driving wheel, and the large gear and the small gear are located in the grooves; the outside of drive wheel is provided with the inoxidizing coating.

Preferably, the mounting frame comprises a left side plate and a right side plate which are oppositely arranged, the front ends of the left side plate and the right side plate are provided with front side plates, the front side plates are positioned below the mounting blocks, the top ends of the left side plate and the right side plate are connected through a top plate, and the top plate is positioned on one side of the mounting blocks; the left side plate and the right side plate are fixedly connected with the front side plate, the top plate and the mounting block by welding.

Preferably, a mud guard inclined outwards is arranged below the front side plate, and the mud guard is positioned outside the driving wheel.

Preferably, the locking element is a jackscrew, a limiting hole is formed in the front side surface of the mounting block, the limiting hole is a threaded hole, and the jackscrew is inserted into the limiting hole and penetrates through the mounting block to extend into the mounting hole; threaded holes are formed in the left side plate and the right side plate, and jackscrews penetrate through the threaded holes and extend into the mounting holes.

According to the electric cart driving device, the motor is meshed with the large gear on the sleeve through the small gear, so that the driving wheel is driven to rotate, the structure is simple, the size of the driving device is reduced, and the cost is reduced. The large gear and the small gear are positioned in the grooves on two sides of the driving wheel, and the driving wheel has a protective effect on the large gear and the small gear. The mounting frame is formed by welding the left side plate, the right side plate, the front side plate and the top plate, and has the advantages of simple structure, low material cost and low manufacturing cost. The limiting plane and jackscrew that set up on the installation piece have improved the spacing effect between installation piece and the hydraulic lifting device, have improved the control effect of handle through hydraulic lifting device to the drive wheel.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic diagram of a driving device of an electric cart according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a central shaft of an embodiment of a driving device of an electric cart according to the present utility model;

fig. 3 is a schematic top view of an embodiment of a driving device for a cart according to the present utility model.

Reference numerals

1. A left side plate; 2. a right side plate; 3. a mounting block; 4. a front side plate; 5. a mud guard; 6. a motor; 7. a central shaft; 8. a sleeve; 9. a driving wheel; 10. a large gear; 11. a gasket; 12. a nut; 13. a protective layer; 14. a limiting hole; 15. a jackscrew; 16. a top plate; 17. a mounting hole; 18. and a limit plane.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

The utility model provides an electric cart drive arrangement, includes motor 6, and motor 6 passes through the fix with screw setting in one side of mounting bracket. The mounting bracket is including relative left side board 1 and the right side board 2 that set up, and the front end of left side board 1 and right side board 2 is provided with preceding curb plate 4, and the top of left side board 1 and right side board 2 is connected through roof 16, and preceding curb plate 4, roof 16, left side board 1 and right side board 2 are dull and stereotyped structure, and preceding curb plate 4 and roof 16 are in the same place through welded fastening with left side board 1 and right side board 2. The mounting frame is assembled together in a flat plate welding mode, so that the material and manufacturing cost of the mounting frame are reduced. The motor 6 is fixedly mounted on the right side plate 2 through screws, and a through hole for the output shaft of the motor 6 to pass through is formed in the right side plate 2.

A central shaft 7 is arranged between the left side plate 1 and the right side plate 2 of the mounting frame, and through holes for the central shaft 7 to pass through are arranged on the left side plate 1 and the right side plate 2. One end of the central shaft 7 is provided with a limiting shaft head, the other end of the central shaft 7 is provided with external threads, and the central shaft 7 is fixedly connected with the mounting frame through a gasket 11 and a nut 12.

The outside cover of center pin 7 is equipped with sleeve 8, and sleeve 8's both ends are provided with the bearing, and sleeve 8 passes through the bearing and rotates with center pin 7 to be connected. The outside of sleeve 8 is fixed and is provided with drive wheel 9, and sleeve 8 is close to the outside cover of one end of motor 6 and is equipped with gear wheel 10, and drive wheel 9 and gear wheel 10 pass through spline or key piece and sleeve 8 fixed connection. One end of the sleeve 8 is provided with a snap spring having a positioning effect on the driving wheel 9. The large gear 10 is meshed with a small gear arranged on the output shaft of the motor 6. The large gear 10 and the small gear are both helical gears. The motor 6 drives the pinion to rotate, the pinion is meshed with the large gear 10, and the large gear 10 drives the sleeve 8 to rotate, so that the driving wheel 9 is driven to rotate, and power is provided for the walking of the electric trolley.

Grooves are formed in two sides of the driving wheel 9, the large gear 10 and the small gear are located in the grooves, and the grooves have a protective effect on the large gear 10 and the small gear. The outside of the driving wheel 9 is provided with a rubber protective layer 13.

A mud guard 5 inclined outward is provided below the front side plate 4, and the mud guard 5 is located outside the driving wheel 9. The mud guard 5 and the front side plate 4 are integrated, and the mud guard 5 not only has the function of mud guard, but also has the function of protection for the driving wheel 9.

The top of mounting bracket is provided with installation piece 3, and installation piece 3 and left side board 1 and right side board 2 welded fastening connect. The front side plate 4 is located below the mounting block 3, and the top plate 16 is located on one side of the mounting block 3. The middle part of the installation block 3 is provided with a through installation hole 17, and a hydraulic lifting device of the electric trolley is connected with the installation block 3 through the installation hole 17. The handlebar of the electric cart is arranged on the hydraulic lifting device, the bottom end of the hydraulic lifting device is connected with the mounting frame in the existing connection mode, namely, the nut 12 and the bayonet lock are adopted to be in up-and-down limiting connection with the mounting block 3.

Be provided with spacing hydraulic lifting device's spacing plane 18 on the mounting hole 17, spacing plane 18 is provided with two relatively, and two spacing planes 18 and the plane looks adaptation on the hydraulic lifting device have better spacing effect to the hydraulic lifting device for the hydraulic lifting device passes through the synchronous rotation of installation piece 3 drive wheel 9, improves the control effect of handlebar to drive wheel 9.

The mounting block 3 is provided with a locking element for locking the hydraulic lifting device. The locking element is jackscrew 15, is provided with spacing hole 14 on the leading flank of installation piece 3, and spacing hole 14 is the screw hole, and jackscrew 15 inserts spacing hole 14 and runs through installation piece 3 and stretch into in the mounting hole 17 to the top is tight on hydraulic lifting device, improves the spacing effect to hydraulic lifting device. Screw holes are formed in the left side plate 1 and the right side plate 2, jackscrews 15 penetrate through the screw holes and penetrate through the mounting blocks 3 to extend into the mounting holes 17, and the hydraulic lifting device is further locked and limited from a limiting plane 18.

Therefore, the electric cart driving device adopting the structure can solve the problems of complex structure and high production cost of the existing driving structure.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. An electric cart driving device, characterized in that: the motor is arranged on one side of the mounting frame, a central shaft penetrating through the mounting frame is arranged on the mounting frame, a sleeve is sleeved outside the central shaft and is rotationally connected with the central shaft, a driving wheel is fixedly arranged outside the sleeve, a large gear is sleeved outside one end, close to the motor, of the sleeve, and the large gear is meshed with a small gear arranged on an output shaft of the motor; the top of mounting bracket is provided with the installation piece, and the middle part of installation piece is provided with the mounting hole that runs through, and electric trolley's hydraulic lifting device passes through the mounting hole to be connected with the installation piece, is provided with spacing hydraulic lifting device's spacing plane on the mounting hole, is provided with locking hydraulic lifting device's locking element on the installation piece.

2. The electric cart driving device according to claim 1, wherein: the mounting frame is provided with a through hole through which the central shaft passes, the end head of the central shaft is provided with external threads, and the central shaft is fixedly connected with the mounting frame through a gasket and a nut.

3. The electric cart driving device according to claim 1, wherein: bearings are arranged at two ends of the sleeve, and the sleeve is rotationally connected with the central shaft through the bearings.

4. The electric cart driving device according to claim 1, wherein: the driving wheel and the large gear are fixedly connected with the sleeve through a spline or a key block, and a clamp spring with a positioning function on the driving wheel is arranged at one end of the sleeve.

5. The electric cart driving device according to claim 1, wherein: grooves are formed in two sides of the driving wheel, and the large gear and the small gear are located in the grooves; the outside of drive wheel is provided with the inoxidizing coating.

6. The electric cart driving device according to claim 1, wherein: the mounting frame comprises a left side plate and a right side plate which are oppositely arranged, front ends of the left side plate and the right side plate are provided with front side plates, the front side plates are positioned below the mounting blocks, the top ends of the left side plate and the right side plate are connected through a top plate, and the top plate is positioned on one side of the mounting blocks; the left side plate and the right side plate are fixedly connected with the front side plate, the top plate and the mounting block by welding.

7. The electric cart driving device according to claim 6, wherein: the outside that is provided with the fender of outside slope is located to the below of preceding curb plate.

8. The electric cart driving device according to claim 6, wherein: the locking element is a jackscrew, a limiting hole is formed in the front side face of the mounting block, the limiting hole is a threaded hole, and the jackscrew is inserted into the limiting hole and penetrates through the mounting block to extend into the mounting hole; threaded holes are formed in the left side plate and the right side plate, and jackscrews penetrate through the threaded holes and extend into the mounting holes.