Driving wheel structure of electric carrier

Abstract

The utility model relates to the technical field of electric trucks, and discloses an electric truck driving wheel structure which comprises a mounting frame, a first through hole is formed in the left side of the mounting frame, a second through hole is formed in the right side of the mounting frame, and a hollow plate is fixedly connected to the inner wall of the second through hole. The inner wall of the hollow plate and the inner wall of the first through hole are fixedly connected with driving mechanisms. Lubricating grease in the grease storage box can be automatically discharged through the grease outlet hole and drips onto the gear ring through thrust of the spring to the rubber block, and meanwhile, the lubricating grease can be adhered to the surfaces of the gear ring, the first gear and the second gear through transmission among the gear ring, the first gear and the second gear, so that the lubricating grease is prevented from falling off. And through cooperation of a hollow plate, a fourth through hole, a grease storage box, a U-shaped plate, a spring, a rubber block and a U-shaped handle, the driving wheel structure has the function of automatically lubricating a gear ring, a first gear and a second gear in the driving wheel structure.

Description

Technical Field

[0001] The utility model relates to the technical field of electric transport vehicles, in particular to a driving wheel structure of an electric transport vehicle. Background Art

[0002] Electric transport trucks have the characteristics of small turning radius and easy operation. With the continuous expansion of the application field of electric transport trucks, electric transport trucks have been adopted by most users as medium and long-distance material transfer equipment. They are widely used in logistics warehousing, workshops, freight yards, shops, supermarkets and other places.

[0003] At present, most of the driving wheel structures of electric transport vehicles on the market use internal transmission gears to enable the driving motor to drive the driving wheel to rotate. For example, Chinese patent publication No. CN210970678U discloses an electric transport vehicle driving wheel assembly. However, when lubricating the transmission gears in the driving wheel structure, the user needs to disassemble the driving wheel structure before applying grease on the surface of the transmission gear, which makes it more troublesome for the user to lubricate the transmission gears in the driving wheel structure. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. For example, at present, most of the driving wheel structures of electric transport vehicles on the market use internal transmission gears to enable the driving motor to drive the driving wheel to rotate. However, when lubricating the transmission gears in the driving wheel structure, the user needs to disassemble the driving wheel structure before applying grease to the surface of the transmission gear, which makes it more troublesome for the user to lubricate the transmission gears in the driving wheel structure. Therefore, a driving wheel structure of an electric transport vehicle is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A driving wheel structure of an electric transport vehicle comprises a mounting frame, a first through hole is provided on the left side of the mounting frame, a second through hole is provided on the right side of the mounting frame, a hollow plate is fixedly connected to the inner wall of the second through hole, a driving mechanism is fixedly connected to the inner wall of the hollow plate and the inner wall of the first through hole, a third through hole is provided inside the hollow plate, a first transmission bracket is fixedly connected to the inner wall of the third through hole, a second transmission bracket is fixedly connected to the inner wall of the second through hole, the driving mechanism and the second transmission bracket are meshed with the first transmission bracket, a fourth through hole is provided inside the hollow plate, a fat storage box is fixedly connected to the inner wall of the fourth through hole, a U-shaped plate is fixedly connected to the upper and lower sides of the fat storage box, a spring is fixedly connected to the inner wall of the U-shaped plate, a rubber block is bonded to the left side of the spring, the surface of the rubber block contacts the inner wall of the fat storage box, a U-shaped handle is bonded to the right side of the rubber block, a brake is fixedly connected to the right side of the hollow plate, the inner wall of the brake contacts the surface of the first transmission bracket, and a driving wheel body is fixedly connected to the left side of the second transmission bracket.

[0007] Preferably, the driving mechanism includes a driving motor, the right side of the driving motor is fixedly connected to the left side of the mounting frame, the output end of the driving motor is fixedly connected to a first rotating shaft, the surface of the first rotating shaft, the inner wall of the first through hole and the inner wall of the hollow plate are all fixedly connected to a first bearing, the surface of the first rotating shaft is fixedly connected to a first gear, and the first gear is meshed with the first transmission bracket.

[0008] Preferably, the first transmission bracket includes a second rotating shaft, the surface of the second rotating shaft and the inner wall of the third through hole are fixedly connected with a second bearing, the surface of the second rotating shaft is fixedly connected with a second gear, the first gear and the second transmission bracket are both meshed with the second gear, and the surface of the second rotating shaft contacts the inner wall of the brake.

[0009] Preferably, the second transmission bracket includes a gear ring, the surface of the gear ring and the inner wall of the second through hole are fixedly connected to the third bearing, the left side of the gear ring and the right side of the driving wheel body are fixedly connected to connecting plates, and the gear ring is meshed with the second gear.

[0010] Preferably, the fat storage box includes a hollow cylinder, the surface of the hollow cylinder is fixedly connected to the inner wall of the fourth through hole, a baffle is fixedly connected to the left side of the hollow cylinder, a fat outlet groove is provided on the right side of the baffle, the inner wall of the hollow cylinder contacts the surface of the rubber block, the upper and lower sides of the hollow cylinder are fixedly connected to the inner wall of the U-shaped plate, the upper surface of the hollow cylinder is fixedly connected to a fat inlet pipe, and the inner wall of the fat inlet pipe is threadedly connected to a sealing plug.

[0011] Preferably, a battery box is fixedly connected to the bottom of the hollow cylinder, a rechargeable battery is arranged inside the battery box, an indicator light is fixedly connected to the right side of the battery box, a waterproof switch is fixedly connected to the right side of the baffle, and the battery box and the indicator light are electrically connected to the waterproof switch.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model uses the thrust of the spring on the rubber block to automatically discharge the grease in the grease storage box through the grease outlet hole and drip onto the gear ring. At the same time, through the transmission between the gear ring, the first gear and the second gear, the surfaces of the gear ring, the first gear and the second gear are all adhered with grease. Furthermore, through the coordination of the hollow plate, the fourth through hole, the grease storage box, the U-shaped plate, the spring, the rubber block and the U-shaped handle, the drive wheel structure has the function of automatically lubricating the gear ring, the first gear and the second gear, thereby making the drive wheel structure more convenient to use.

[0014] (2) The utility model is provided with a battery box, a rechargeable battery, an indicator light and a waterproof switch. When the rubber block presses the waterproof switch, the indicator light can be turned on through the waterproof switch. At this time, the lit indicator light reminds the user that there is too little grease in the grease storage box, so that the user can add grease to the grease storage box in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 It is a right side view of the mounting frame in the utility model;

[0018] Figure 4 It is a right side view of the hollow plate of the utility model;

[0019] Figure 5 It is a front view of the driving mechanism in the utility model;

[0020] Figure 6 It is a front view of the first transmission bracket in the utility model;

[0021] Figure 7 It is a right side view of the second transmission bracket in the utility model;

[0022] Figure 8 It is a right side view of the fat storage box in the utility model;

[0023] Fig. 9 for Figure 8 Sectional view at the middle BB;

[0024] Fig.10 It is a top view of the rubber block in the utility model.

[0025] In the figure: 1. mounting frame; 2. first through hole; 3. second through hole; 4. hollow plate; 5. driving mechanism; 51. driving motor; 52. first rotating shaft; 53. first bearing; 54. first gear; 6. third through hole; 7. first transmission bracket; 71. second rotating shaft; 72. second bearing; 73. second gear; 8. second transmission bracket; 81. gear ring; 82. third bearing; 83. connecting plate; 9. fourth through hole; 10. fat storage box; 101. hollow cylinder; 102. baffle; 103. fat outlet groove; 104. fat inlet pipe; 105. sealing plug; 11. U-shaped plate; 12. spring; 13. rubber block; 14. U-shaped handle; 15. brake; 16. driving wheel body; 17. battery box; 18. rechargeable battery; 19. indicator light; 20. waterproof switch. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, 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 should not be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] Reference Figure 1-10A driving wheel structure of an electric transport vehicle comprises a mounting frame 1, a first through hole 2 is opened on the left side of the mounting frame 1, a second through hole 3 is opened on the right side of the mounting frame 1, a hollow plate 4 is fixedly connected to the inner wall of the second through hole 3, a driving mechanism 5 is fixedly connected to the inner wall of the hollow plate 4 and the inner wall of the first through hole 2, a third through hole 6 is opened inside the hollow plate 4, a first transmission bracket 7 is fixedly connected to the inner wall of the third through hole 6, a second transmission bracket 8 is fixedly connected to the inner wall of the second through hole 3, the driving mechanism 5 and the second transmission bracket 8 are meshed with the first transmission bracket 7, a fourth through hole 9 is opened inside the hollow plate 4, and a fourth through hole 9 is opened inside the hollow plate 4. A fat storage box 10 is fixedly connected to the inner wall of the four-through hole 9, and a U-shaped plate 11 is fixedly connected to the upper and lower sides of the fat storage box 10. A spring 12 is fixedly connected to the inner wall of the U-shaped plate 11. A rubber block 13 is bonded to the left side of the spring 12, and the surface of the rubber block 13 contacts the inner wall of the fat storage box 10. A U-shaped handle 14 is bonded to the right side of the rubber block 13. The U-shaped handle 14 makes it more convenient for the user to move the rubber block 13. A brake 15 is fixedly connected to the right side of the hollow plate 4, and the inner wall of the brake 15 contacts the surface of the first transmission bracket 7. A driving wheel body 16 is fixedly connected to the left side of the second transmission bracket 8.

[0030] The driving mechanism 5 includes a driving motor 51, the right side of the driving motor 51 is fixedly connected to the left side of the mounting frame 1, the output end of the driving motor 51 is fixedly connected to the first rotating shaft 52, the surface of the first rotating shaft 52, the inner wall of the first through hole 2 and the inner wall of the hollow plate 4 are all fixedly connected to the first bearing 53, the surface of the first rotating shaft 52 is fixedly connected to the first gear 54, the first gear 54 is driven to rotate by the driving motor 51, and the first gear 54 is meshed with the first transmission bracket 7.

[0031] The first transmission bracket 7 includes a second rotating shaft 71, and the surface of the second rotating shaft 71 and the inner wall of the third through hole 6 are fixedly connected with a second bearing 72, and the surface of the second rotating shaft 71 is fixedly connected with a second gear 73, and the first gear 54 and the second transmission bracket 8 are meshed with the second gear 73. The surface of the second rotating shaft 71 contacts the inner wall of the brake 15, and the second rotating shaft 71 is braked by the brake 15. Through the cooperation of the first gear 54 and the second gear 73, the driving motor 51 can drive the second rotating shaft 71 to rotate.

[0032] The second transmission bracket 8 includes a gear ring 81, and the surface of the gear ring 81 and the inner wall of the second through hole 3 are fixedly connected with a third bearing 82, and the left side of the gear ring 81 and the right side of the driving wheel body 16 are fixedly connected with a connecting plate 83, and the gear ring 81 is meshed with the second gear 73. Through the cooperation of the first gear 54, the second gear 73 and the gear ring 81, the driving motor 51 can drive the driving wheel body 16 on the connecting plate 83 to rotate.

[0033] The grease storage box 10 includes a hollow cylinder 101, the surface of which is fixedly connected to the inner wall of the fourth through hole 9, a baffle 102 is fixedly connected to the left side of the hollow cylinder 101, a grease outlet groove 103 is provided on the right side of the baffle 102, the inner wall of the hollow cylinder 101 contacts the surface of the rubber block 13, the upper and lower sides of the hollow cylinder 101 are fixedly connected to the inner wall of the U-shaped plate 11, the upper surface of the hollow cylinder 101 is fixedly connected to a grease inlet pipe 104, the inner wall of the grease inlet pipe 104 is threadedly connected with a sealing plug 105, the switch of the grease inlet pipe 104 is controlled by the sealing plug 105, when the sealing plug 105 is separated from the grease inlet pipe 104, grease can enter the hollow cylinder 101 through the grease inlet pipe 104, and at the same time, through the thrust of the spring 12 on the rubber block 13, the grease in the grease storage box 10 can be discharged through the grease outlet hole and drip onto the gear ring 81.

[0034] Embodiment 2:

[0035] Reference Figure 1-9 A battery box 17 is fixedly connected to the bottom of the hollow cylinder 101, and a rechargeable battery 18 is arranged inside the battery box 17. An indicator light 19 is fixedly connected to the right side of the battery box 17, and a waterproof switch 20 is fixedly connected to the right side of the baffle 102. The battery box 17 and the indicator light 19 are both electrically connected to the waterproof switch 20. When the rubber block 13 presses the waterproof switch 20, the indicator light 19 can be turned on through the waterproof switch 20. At this time, the lit indicator light 19 reminds the user that there is too little grease in the grease storage box 10, so that the user can add grease to the grease storage box 10 in time.

[0036] In the utility model, when the user uses the driving wheel structure, the mounting frame 1 is first installed on the electric transport cart, and the first gear 54 can be rotated by the driving motor 51, and the driving wheel body 16 can be rotated by the cooperation of the first gear 54, the second gear 73 and the gear ring 81. At this time, the electric transport cart is moved by the rotating driving wheel body 16. When it is necessary to lubricate the first gear 54, the second gear 73 and the gear ring 81, grease is first poured into the hollow cylinder 101 through the grease inlet pipe 104, and then, through the thrust of the spring 12 on the rubber block 13, the grease in the grease storage box 10 can be discharged through the grease outlet hole and drip onto the gear ring 81. At this time, through the transmission between the gear ring 81, the first gear 54 and the second gear 73, the surfaces of the gear ring 81, the first gear 54 and the second gear 73 can be adhered with grease, and then the connection between the gear ring 81, the first gear 54 and the second gear 73 is lubricated by the grease.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A driving wheel structure of an electric transport vehicle, comprising a mounting frame (1), characterized in that: A first through hole (2) is provided on the left side of the mounting frame (1), a second through hole (3) is provided on the right side of the mounting frame (1), a hollow plate (4) is fixedly connected to the inner wall of the second through hole (3), a driving mechanism (5) is fixedly connected to the inner wall of the hollow plate (4) and the inner wall of the first through hole (2), a third through hole (6) is provided inside the hollow plate (4), a first transmission bracket (7) is fixedly connected to the inner wall of the third through hole (6), a second transmission bracket (8) is fixedly connected to the inner wall of the second through hole (3), the driving mechanism (5) and the second transmission bracket (8) are both meshed with the first transmission bracket (7), and a fourth through hole (6) is provided inside the hollow plate (4). 9), a fat storage box (10) is fixedly connected to the inner wall of the fourth through hole (9), a U-shaped plate (11) is fixedly connected to the upper and lower sides of the fat storage box (10), a spring (12) is fixedly connected to the inner wall of the U-shaped plate (11), a rubber block (13) is bonded to the left side of the spring (12), the surface of the rubber block (13) is in contact with the inner wall of the fat storage box (10), a U-shaped handle (14) is bonded to the right side of the rubber block (13), a brake (15) is fixedly connected to the right side of the hollow plate (4), the inner wall of the brake (15) is in contact with the surface of the first transmission bracket (7), and a driving wheel body (16) is fixedly connected to the left side of the second transmission bracket (8).

2. The driving wheel structure of an electric transport vehicle according to claim 1, characterized in that: The driving mechanism (5) comprises a driving motor (51), the right side of the driving motor (51) is fixedly connected to the left side of the mounting frame (1), the output end of the driving motor (51) is fixedly connected to a first rotating shaft (52), the surface of the first rotating shaft (52), the inner wall of the first through hole (2) and the inner wall of the hollow plate (4) are all fixedly connected to a first bearing (53), the surface of the first rotating shaft (52) is fixedly connected to a first gear (54), and the first gear (54) is meshed with a first transmission bracket (7).

3. The driving wheel structure of an electric transport vehicle according to claim 2, characterized in that: The first transmission bracket (7) comprises a second rotating shaft (71), the surface of the second rotating shaft (71) and the inner wall of the third through hole (6) are both fixedly connected with a second bearing (72), the surface of the second rotating shaft (71) is fixedly connected with a second gear (73), the first gear (54) and the second transmission bracket (8) are both meshed with the second gear (73), and the surface of the second rotating shaft (71) is in contact with the inner wall of the brake (15).

4. The driving wheel structure of an electric transport vehicle according to claim 3, characterized in that: The second transmission bracket (8) comprises a gear ring (81), a surface of the gear ring (81) and an inner wall of the second through hole (3) are fixedly connected to a third bearing (82), a left side of the gear ring (81) and a right side of the driving wheel body (16) are fixedly connected to a connecting plate (83), and the gear ring (81) is meshed with the second gear (73).

5. The driving wheel structure of an electric transport vehicle according to claim 1, characterized in that: The fat storage box (10) comprises a hollow cylinder (101), the surface of the hollow cylinder (101) is fixedly connected to the inner wall of the fourth through hole (9), a baffle (102) is fixedly connected to the left side of the hollow cylinder (101), a fat outlet groove (103) is provided on the right side of the baffle (102), the inner wall of the hollow cylinder (101) contacts the surface of the rubber block (13), the upper and lower sides of the hollow cylinder (101) are fixedly connected to the inner wall of the U-shaped plate (11), the upper surface of the hollow cylinder (101) is fixedly connected to a fat inlet pipe (104), and the inner wall of the fat inlet pipe (104) is threadedly connected to a sealing plug (105).

6. The driving wheel structure of an electric transport vehicle according to claim 5, characterized in that: A battery box (17) is fixedly connected to the bottom of the hollow cylinder (101), a rechargeable battery (18) is arranged inside the battery box (17), an indicator light (19) is fixedly connected to the right side of the battery box (17), a waterproof switch (20) is fixedly connected to the right side of the baffle (102), and the battery box (17) and the indicator light (19) are both electrically connected to the waterproof switch (20).

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