Protective device for load-carrying electric bicycle

Abstract

The utility model discloses a protective device for a load-carrying electric bicycle, which belongs to the technical field of electric bicycles and comprises an electric bicycle frame, a bottom supporting plate is arranged at the bottom of one end of the electric bicycle frame, and a rectangular supporting carrier is arranged at the top of the bottom supporting plate. A plurality of longitudinal cross beams are arranged in the rectangular supporting carrier, second vertical supporting plates are arranged at the two ends of the top of the bottom supporting plate, and the tops of the second vertical supporting plates are fixedly connected with the rectangular supporting carrier. Through a series of design, the rotatable vertical protection rods are arranged in the rectangular supporting carrier, the two ends of the rectangular supporting carrier can be protected, cargoes are prevented from falling off in the transportation process, when the electric bicycle runs on a bumpy road section, the rotatable vertical protection rods can buffer vibration of the cargoes, and the cargoes are prevented from falling off. The stability of goods is improved, and safe transportation of goods is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric bicycles, and in particular relates to a protective device for a load-carrying electric bicycle. Background Art

[0002] Battery cars are also called "electric cars". They are pure electric vehicles powered by batteries (batteries) and driven by motors (DC, AC, series-excited, externally-excited). Battery cars are mainly used for sightseeing, patrolling, and transporting goods.

[0003] At present, electric bicycles are becoming more and more popular in short-distance travel in cities, and their function of carrying goods has also received widespread attention. However, when carrying goods, there are often problems such as the goods being unstable and easy to fall off, especially when encountering bumpy roads during driving, which is more likely to cause vibration and falling of the goods, posing certain safety hazards. For this reason, we design a protective device for load-bearing electric bicycles to provide another technical solution to the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a protective device for a load-carrying electric bicycle to solve the problems of the prior art in the use process mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for a load-carrying electric bicycle, comprising an electric bicycle frame, a bottom support plate is arranged at the bottom of one end of the electric bicycle frame, a rectangular support carrier is arranged on the top of the bottom support plate, a plurality of longitudinal cross beams are arranged inside the rectangular support carrier, second vertical support plates are arranged at both ends of the top of the bottom support plate, the top of the second vertical support plate is fixedly connected to the rectangular support carrier, first vertical support plates are arranged on both sides of the top of the bottom support plate, and the top of the first vertical support plate is fixedly connected to the rectangular support carrier;

[0006] A plurality of rotatable vertical protection rods are arranged on the outer side of the rectangular support carrier, and a rotation mechanism for controlling the rotation of the vertical protection rods is arranged between the bottom support plate and the rectangular support carrier.

[0007] Preferably, the rotating mechanism includes a circular rotating member, wherein one of the first vertical support plates is internally rotatably connected to the circular rotating member, a first transverse threaded rod is fixed to one end of the circular rotating member, a second transverse threaded rod is fixed to one end of the first transverse threaded rod, the first transverse threaded rod and the second transverse threaded rod have opposite thread rotation directions, and the outer sides of the first transverse threaded rod and the second transverse threaded rod are both threadedly connected to a transverse moving column.

[0008] Preferably, a transverse light rod is fixed between the two first vertical support plates, and the transverse light rod passes through the interior of the transverse moving column and is slidably connected to the transverse moving column.

[0009] Preferably, a partition is rotatably connected to the connection between the first transverse threaded rod and the second transverse threaded rod via a bearing, a bottom support column is fixed between the two second vertical support plates, and the top of the bottom support column is fixedly connected to the partition.

[0010] Preferably, the rotating mechanism also includes a buffer assembly, and the end of the transverse moving column close to the vertical protective rod is rotatably connected to the buffer assembly, and the end of the buffer assembly close to the circular rotating ring is rotatably connected to the bottom connecting column, and a circular rotating ring is fixed to the top of the bottom connecting column. The circular rotating ring is located on the outside of the rectangular supporting object carrier and is rotatably connected to the rectangular supporting object carrier through a bearing, and the top of the circular rotating ring is fixedly connected to the vertical protective rod.

[0011] Preferably, the buffer assembly includes a first connecting member, a second connecting member is provided at one end of the first connecting member, the first connecting member is rotatably connected to the lateral moving column through a pin, the second connecting member is close to one end of the bottom connecting column and is rotatably connected to the bottom connecting column through a pin, a hydraulic cylinder is provided between the first connecting member and the second connecting member, and a rigid spring is provided between the first connecting member and the second connecting member and on the outside of the hydraulic cylinder.

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

[0013] Through a series of designs, this solution has a rotatable vertical protective bar inside the rectangular supporting cargo rack, which can protect both ends of the rectangular supporting cargo rack to prevent the cargo from falling off during transportation. When the electric bicycle is traveling on a bumpy road, the rotatable vertical protective bar can buffer the vibration of the cargo, improve the stability of the cargo, and ensure the safe transportation of the cargo. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 It is a schematic diagram of the structure of the first vertical support plate and the second vertical support plate of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the vertical protection rod and the circular rotating ring of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the first transverse threaded rod and the second transverse threaded rod of the utility model;

[0018] Figure 5 It is a schematic structural diagram of the first connecting member and the second connecting member of the utility model.

[0019] In the figure: 1. electric bicycle frame; 2. rectangular support carrier; 3. longitudinal crossbeam; 4. bottom support plate; 5. first vertical support plate; 6. second vertical support plate; 7. vertical protective rod; 8. transverse moving column; 9. circular rotating ring; 10. bottom connecting column; 11. circular rotating member; 12. first transverse threaded rod; 13. second transverse threaded rod; 14. bottom support column; 15. transverse light rod; 16. first connecting member; 17. second connecting member; 18. hydraulic cylinder; 19. rigid spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-5 A protective device for a load-carrying electric bicycle comprises an electric bicycle frame 1, a bottom support plate 4 is arranged at the bottom of one end of the electric bicycle frame 1, a rectangular support carrier 2 is arranged on the top of the bottom support plate 4, a plurality of longitudinal beams 3 are arranged inside the rectangular support carrier 2, second vertical support plates 6 are arranged at both ends of the top of the bottom support plate 4, the top of the second vertical support plate 6 is fixedly connected to the rectangular support carrier 2, first vertical support plates 5 are arranged on both sides of the top of the bottom support plate 4, and the top of the first vertical support plate 5 is fixedly connected to the rectangular support carrier 2;

[0022] A plurality of rotatable vertical protection rods 7 are arranged on the outer side of the rectangular support carrier 2, and a rotation mechanism for controlling the rotation of the vertical protection rods 7 is arranged between the bottom support plate 4 and the rectangular support carrier 2;

[0023] The rotating mechanism includes a circular rotating member 11, wherein the circular rotating member 11 is rotatably connected to the inside of one of the first vertical supporting plates 5, a first transverse threaded rod 12 is fixed to one end of the circular rotating member 11, a second transverse threaded rod 13 is fixed to one end of the first transverse threaded rod 12, the thread rotation directions of the first transverse threaded rod 12 and the second transverse threaded rod 13 are opposite, the outer sides of the first transverse threaded rod 12 and the second transverse threaded rod 13 are both threadedly connected to the transverse moving column 8, and a transverse light rod 15 is also fixed between the two first vertical supporting plates 5, the transverse light rod 15 passes through the interior of the transverse moving column 8 and is slidably connected to the transverse moving column 8, the first transverse threaded rod 12 and the second transverse threaded rod 13 are rotated by the rotation of the circular rotating member 11, the rotation of the first transverse threaded rod 12 and the second transverse threaded rod 13 enables the two transverse moving columns 8 to slide on the outer side of the transverse light rod 15, thereby enabling the spacing between the two transverse moving columns 8 to be adjusted;

[0024] A partition is rotatably connected to the connection between the first transverse threaded rod 12 and the second transverse threaded rod 13 through a bearing, and a bottom support column 14 is fixed between the two second vertical support plates 6. The top of the bottom support column 14 is fixedly connected to the partition, so that the connection between the first transverse threaded rod 12 and the second transverse threaded rod 13 is more stable, preventing the connection between the first transverse threaded rod 12 and the second transverse threaded rod 13 from bending. The setting of the bottom support column 14 can support the partition;

[0025] The rotating mechanism also includes a buffer assembly, and one end of the transverse moving column 8 close to the vertical protective rod 7 is rotatably connected to the buffer assembly, and one end of the buffer assembly close to the circular rotating ring 9 is rotatably connected to the bottom connecting column 10, and a circular rotating ring 9 is fixed to the top of the bottom connecting column 10. The circular rotating ring 9 is located on the outside of the rectangular support carrier 2 and is rotatably connected to the rectangular support carrier 2 through a bearing, and the top of the circular rotating ring 9 is fixedly connected to the vertical protective rod 7. The movement of the two transverse moving columns 8 is provided through the setting of the buffer assembly, so that the circular rotating ring 9 can rotate on the outside of the rectangular support carrier 2, and then the vertical protective rod 7 can be rotated out of the interior of the rectangular support carrier 2, and the vertical protective rod 7 can prevent the goods on the top of the rectangular support carrier 2 from falling off;

[0026] The buffer assembly includes a first connecting member 16, a second connecting member 17 is provided at one end of the first connecting member 16, the first connecting member 16 is rotatably connected to the transverse moving column 8 through a pin shaft, the second connecting member 17 is close to one end of the bottom connecting column 10 and is rotatably connected to the bottom connecting column 10 through a pin shaft, a hydraulic cylinder 18 is provided between the first connecting member 16 and the second connecting member 17, and a rigid spring 19 is provided between the first connecting member 16 and the second connecting member 17 and on the outside of the hydraulic cylinder 18. Through the arrangement of the hydraulic cylinder 18 and the rigid spring 19, when the vertical protection bar 7 is hit, it can provide a buffering performance for the vertical protection bar 7, thereby improving the protective performance of the vertical protection bar 7 for cargo.

[0027] Working principle: The first transverse threaded rod 12 and the second transverse threaded rod 13 can rotate by rotating the circular rotating member 11, and the rotation of the first transverse threaded rod 12 and the second transverse threaded rod 13 enables the two transverse moving columns 8 to slide on the outside of the transverse light rod 15, thereby adjusting the distance between the two transverse moving columns 8;

[0028] The movement of the two transverse moving columns 8 is arranged through the buffer assembly, so that the circular rotating ring 9 can rotate outside the rectangular supporting rack 2, thereby enabling the vertical protection rod 7 to rotate out of the rectangular supporting rack 2, and the vertical protection rod 7 can prevent the goods on the top of the rectangular supporting rack 2 from falling off;

[0029] When the vertical protection bar 7 is hit, it can provide a buffering performance for the vertical protection bar 7, thereby improving the protection performance of the vertical protection bar 7 on the cargo.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for a load-carrying electric bicycle, characterized in that: The electric bicycle frame (1) comprises a bottom support plate (4) at the bottom of one end of the electric bicycle frame (1), a rectangular support carrier (2) is arranged on the top of the bottom support plate (4), a plurality of longitudinal beams (3) are arranged inside the rectangular support carrier (2), second vertical support plates (6) are arranged at both ends of the top of the bottom support plate (4), the top of the second vertical support plate (6) is fixedly connected to the rectangular support carrier (2), first vertical support plates (5) are arranged on both sides of the top of the bottom support plate (4), and the top of the first vertical support plate (5) is fixedly connected to the rectangular support carrier (2); A plurality of rotatable vertical protection rods (7) are arranged on the outer side of the rectangular support carrier (2), and a rotation mechanism for controlling the rotation of the vertical protection rods (7) is arranged between the bottom support plate (4) and the rectangular support carrier (2).

2. A protective device for a load-carrying electric bicycle according to claim 1, characterized in that: The rotating mechanism comprises a circular rotating member (11), wherein the interior of one of the first vertical support plates (5) is rotatably connected to the circular rotating member (11), a first transverse threaded rod (12) is fixed to one end of the circular rotating member (11), a second transverse threaded rod (13) is fixed to one end of the first transverse threaded rod (12), the thread rotation directions of the first transverse threaded rod (12) and the second transverse threaded rod (13) are opposite, and the outer sides of the first transverse threaded rod (12) and the second transverse threaded rod (13) are both threadedly connected to a transverse moving column (8).

3. A protective device for a load-carrying electric bicycle according to claim 2, characterized in that: A transverse light rod (15) is also fixed between the two first vertical support plates (5), and the transverse light rod (15) passes through the interior of the transverse moving column (8) and is slidably connected to the transverse moving column (8).

4. A protective device for a load-carrying electric bicycle according to claim 2, characterized in that: A partition is rotatably connected to the connection point between the first transverse threaded rod (12) and the second transverse threaded rod (13) via a bearing, and a bottom support column (14) is fixed between the two second vertical support plates (6), and the top of the bottom support column (14) is fixedly connected to the partition.

5. A protective device for a load-carrying electric bicycle according to claim 2, characterized in that: The rotating mechanism also includes a buffer component, wherein one end of the lateral moving column (8) close to the vertical protective rod (7) is rotatably connected to the buffer component, and one end of the buffer component close to the circular rotating ring (9) is rotatably connected to the bottom connecting column (10), and the top of the bottom connecting column (10) is fixed with a circular rotating ring (9), and the circular rotating ring (9) is located on the outside of the rectangular supporting carrier (2) and is rotatably connected to the rectangular supporting carrier (2) through a bearing, and the top of the circular rotating ring (9) is fixedly connected to the vertical protective rod (7).

6. A protective device for a load-carrying electric bicycle according to claim 5, characterized in that: The buffer assembly comprises a first connecting member (16), one end of which is provided with a second connecting member (17), the first connecting member (16) is rotatably connected to a transverse moving column (8) via a pin, the second connecting member (17) is close to one end of a bottom connecting column (10) and is rotatably connected to the bottom connecting column (10) via a pin, a hydraulic cylinder (18) is provided between the first connecting member (16) and the second connecting member (17), and a rigid spring (19) is provided between the first connecting member (16) and the second connecting member (17) and on the outside of the hydraulic cylinder (18).

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