Electric power-assisted bicycle frame assembling and positioning device

Abstract

The utility model relates to the technical field of electric power-assisted bicycle assembly, and discloses an electric power-assisted bicycle frame assembly positioning device which comprises a base, a fixed rod, a movable rod, a fixed structure and a rotary clamping structure, the fixed rod and the movable rod are fixedly and slidably connected to the upper portion of the base respectively, and an electric push rod for driving the movable rod is connected into the base. The upper end of the fixed rod is rotationally connected with a supporting groove, a first spring is connected between the supporting groove and the fixed rod, the fixed structure is rotationally connected to one side of the fixed rod and the upper end of the movable rod, and the rotary clamping structure is rotationally arranged on the movable rod. The frame fixing device has the advantages that the frame fixing device can be adjusted to adapt to various frames, the supporting and positioning effects are good, and the frames can be fixed at various angles to reduce installation hindrance.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power-assisted bicycle assembly, in particular to an electric power-assisted bicycle frame assembly positioning device. Background Art

[0002] When assembling an electric power-assisted bicycle, it is usually necessary to use a frame assembly positioning device to prop up the frame to ensure that the frame is correctly positioned and fixed during the assembly process, and to install related parts on the frame to finally complete the production of the bicycle.

[0003] The existing electric power-assisted bicycle frame assembly and positioning devices are mostly composed of two groups of support rods and a support frame. The support frame is fixed at the upper end of the support rod, and supports and fixes the front fork and the rear seat of the frame respectively to facilitate positioning. Since the shapes of different electric power-assisted bicycle frames are different, the position and angle of the support frame are difficult to match with the frame, which not only leads to unstable support and affects the positioning accuracy, but also may cause wear to the frame. In addition, in the actual assembly process, when installing at some special angles, it is necessary to rotate one end of the frame or the installed part to one side to reduce obstacles, but the existing electric power-assisted bicycle frame assembly and positioning device cannot fix the frame at a specific angle, which affects the smooth installation. Utility Model Content

[0004] In order to solve the above-mentioned problems, the utility model proposes an electric power-assisted bicycle frame assembly and positioning device which can be adjusted to adapt to various frames, has good supporting and positioning effects, and can fix the frame at various angles to reduce installation obstacles.

[0005] In order to solve the above technical problems, the technical solution proposed by the utility model is as follows: an assembly and positioning device for an electric power-assisted bicycle frame, comprising a base, a fixed rod, a mobile rod, a fixed structure, and a rotating clamping structure, wherein the fixed rod and the mobile rod are respectively fixedly and slidably connected and arranged above the base, an electric push rod for driving the mobile rod is connected inside the base, a support groove is rotatably connected to the upper end of the fixed rod, a spring is connected between the support groove and the fixed rod, the fixed structure is rotatably connected to one side of the fixed rod and the upper end of the mobile rod, the fixed structure comprises a connecting plate and a fixed plate, the fixed plates are provided with two and are arranged opposite to each other, and the two fixed plates are respectively fixed and slidably connected and arranged above the base, an electric push rod for driving the mobile rod is connected inside the base, a support groove is rotatably connected to the upper end of the fixed rod, a spring is connected between the support groove and the fixed rod, the fixed structure is rotatably connected to one side of the fixed rod and the upper end of the mobile rod, The cam is fixed to one side of the moving rod and the fixing plate is fixed to the moving rod by bolts passing through the fixing plate. The fixing plate is fixed to one side of the moving rod and the fixing plate is fixed to the moving rod by bolts passing through the fixing plate. The fixing plate is fixed to one side of the moving rod and the fixing plate is fixed to the other side of the moving rod. The fixing plate is fixed to one side of the moving rod and the fixing plate is fixed to the moving rod by bolts passing through the fixing plate. The fixing plate is fixed to one side of the moving rod and the fixing plate is fixed to the moving rod by bolts passing through the fixing plate.

[0006] Furthermore, a slide bar is connected to the lower part of the moving rod, and a slide groove matching the slide bar is provided in the base.

[0007] Furthermore, a T-shaped slide bar is connected to the end of the fixing plate that is slidably connected to the connecting plate, and a limiting groove matching the T-shaped slide bar is provided on the connecting plate.

[0008] Furthermore, the fixing plate and the clamping plate are both arc-shaped plates, and anti-skid rubber pads are connected to the inside of the support groove and the inner sides of the fixing plate and the clamping plate. The anti-skid rubber pads in the support groove extend to the outer side wall of the support groove.

[0009] Furthermore, the positioning structure includes a rotating groove and a positioning rod, the rotating groove is rotatably connected to the side wall of the moving rod, one end of the positioning rod is slidably set in the rotating groove and is connected to the inner wall of the rotating groove through spring three, and a plurality of sockets matching the positioning rod are provided on the side wall of the rotating drum, and the other end of the positioning rod is inserted into the socket.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] It is adjustable to adapt to a variety of frames, and has good support and positioning effects: the moving rod that can be controlled by an electric push rod and the fixed structure that is rotated on the fixed rod and the moving rod can be conveniently adjusted to the position and angle of the fixed structure, which is suitable for frames of different shapes and sizes, thereby achieving effective support, facilitating accurate positioning, and facilitating smooth assembly. The support groove can also be adjusted in angle according to the specific shape of the bracket under the action of a spring, which can further increase the support stability.

[0012] The frame can be fixed at various angles to reduce installation obstacles: the rotating clamping structure can drive the front end of the frame to rotate and can be fixed by the positioning structure, which is convenient for adjusting the frame angle and fixing it according to assembly needs to reduce assembly obstacles. It is flexible and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a side view of the support groove part of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the fixed structural part of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the rotary clamping structure of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the positioning structural part of the utility model.

[0018] As shown in the figure: 1. Base; 2. Fixed rod; 3. Moving rod; 4. Electric push rod; 5. Support groove; 6. Spring 1; 7. Connecting plate; 8. Fixed plate; 9. Fixed block; 10. Bolt; 11. Rotating drum; 12. Connecting pipe; 13. Clamping plate; 14. Partition; 15. Sliding rod; 16. Spring 2; 17. Anti-slip rubber pad; 18. Rotating groove; 19. Positioning rod; 20. Spring 3; 21. Socket. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] Combined with Figure 1 A frame assembly and positioning device for an electric power-assisted bicycle comprises a base 1, a fixed rod 2, a movable rod 3, a fixed structure, and a rotating clamping structure. The fixed rod 2 and the movable rod 3 are respectively fixedly and slidably connected above the base 1. An electric push rod 4 for driving the movable rod 3 is connected inside the base 1. A slide bar is connected below the movable rod 3. A slide groove matching the slide bar is provided inside the base 1. The slide bar cooperates with the slide groove to ensure stable movement of the movable rod 3.

[0021] Combined with Figure 1 , Attachment Figure 3 The upper end of the fixed rod 2 is rotatably connected with a support groove 5, and a spring 6 is connected between the support groove 5 and the fixed rod 2. The fixed structure is rotatably connected to one side of the fixed rod 2 and the upper end of the movable rod 3. The fixed structure includes a connecting plate 7 and a fixed plate 8. The fixed plates 8 are provided with two and are arranged relatively. The two fixed plates 8 are respectively fixed and slidably arranged on one side of the connecting plate 7. The fixed plate 8 is connected with a fixing block 9 at one end away from the connecting plate 7. The two fixing plates 8 are connected and fixed by bolts 10 that penetrate the fixing block 9. The end of the fixed plate 8 slidably connected to the connecting plate 7 is connected with a T-shaped slide bar, and a limiting groove matching the T-shaped slide bar is provided on the connecting plate 7. The T-shaped slide bar cooperates with the limiting groove to ensure that the fixed plate 8 moves smoothly, thereby ensuring that it stably fixes the frame.

[0022] Combined with Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 The rotating clamping structure is rotatably arranged on the moving rod 3, and the rotating clamping structure includes a rotating drum 11, a connecting tube 12, a clamping plate 13 and a positioning structure. The rotating drum 11 is rotatably connected to the moving rod 3, and the connecting tube 12 is connected to one side of the rotating drum 11. A partition 14 is connected to the middle of the connecting tube 12. The number of the clamping plates 13 is two and they are arranged opposite to each other. A sliding rod 15 is integrally formed at one end of the clamping plate 13, and the end of the sliding rod 15 is slidably arranged in the connecting tube 12 and connected to the partition 14 through a spring 16. The fixing plate 8 and the clamping plate 13 are both arc-shaped plates, and anti-skid rubber pads 17 are connected in the support groove 5, the fixing plate 8 and the inner side of the clamping plate 13. The anti-skid rubber pads 17 can protect the frame and prevent wear, and can also increase the friction between the frame and the device, thereby increasing the stability of the frame. The anti-skid rubber pads 17 in the support groove 5 extend to the outer side wall of the support groove 5, which can effectively prevent the corners of the support groove 5 from scratching the frame.

[0023] Combined with Figure 1 , Attachment Figure 5 The rotating drum 11 is fixed by connecting a positioning structure provided on one side of the moving rod 3. The positioning structure includes a rotating groove 18 and a positioning rod 19. The rotating groove 18 is rotatably connected to the side wall of the moving rod 3. One end of the positioning rod 19 is slidably provided in the rotating groove 18 and is connected to the inner wall of the rotating groove 18 through a spring 20. A plurality of insertion holes 21 matching the positioning rod 19 are provided on the side wall of the rotating drum 11. The other end of the positioning rod 19 is inserted into the insertion hole 21. The rotating drum 11 can be loosened and fixed by rotating the rotating groove 18 and pulling the positioning rod 19. The operation is simple and convenient.

[0024] The specific implementation mode of the utility model is as follows: the device is placed in a suitable position and connected to an external power supply, the moving rod 3 is controlled to move to a suitable position by the electric push rod 4, so that the distance between the two fixed structures is adapted to the frame, the angle of the fixing plate 8 is rotated to make it parallel to the frame, the two fixing plates 8 are controlled to be located on both sides of the frame rod, the fixing plate 8 is moved to make it contact with the frame rod and connected and fixed by bolts 10, the two sets of fixing structures can realize the fixation of the frame rod, and at the same time, the angle of the support groove 5 is adjusted to make it located below the frame rod and parallel to the frame rod to realize To support the frame rod, rotate the rotating drum 11, pull the clamping plate 13 and make the two clamping plates 13 located on both sides of the frame front fork. The clamping plate 13 contacts the frame front fork and clamps it under the action of the spring 2 16. Rotate the rotating drum 11 until the clamping plate 13 drives the frame front fork to rotate to a suitable angle, pull the positioning rod 19 and rotate it until its end is aligned with the socket 21, loosen the positioning rod 19, and the spring 3 20 drives the end of the positioning rod 19 to insert into the socket 21, thereby fixing the rotating drum 11, and then fixing the frame front fork, and then assembly can be carried out.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. An assembly and positioning device for an electric power-assisted bicycle frame, comprising a base (1), a fixed rod (2), a movable rod (3), a fixed structure, and a rotating clamping structure, wherein: The fixed rod (2) and the movable rod (3) are respectively fixedly and slidably connected and arranged above the base (1); an electric push rod (4) for driving the movable rod (3) is connected inside the base (1); a support groove (5) is rotatably connected to the upper end of the fixed rod (2); a spring (6) is connected between the support groove (5) and the fixed rod (2); the fixed structure is rotatably connected to one side of the fixed rod (2) and the upper end of the movable rod (3); the fixed structure comprises a connecting plate (7) and a fixed plate (8); two fixed plates (8) are provided and arranged oppositely; the two fixed plates (8) are respectively fixedly and slidably arranged on one side of the connecting plate (7); one end of the fixed plate (8) away from the connecting plate (7) is connected to a fixed block (9); the two fixed plates (8) are connected by penetrating the fixed block ( 9) is connected and fixed by a bolt (10), the rotating clamping structure is rotatably arranged on the moving rod (3), the rotating clamping structure comprises a rotating cylinder (11), a connecting pipe (12), a clamping plate (13) and a positioning structure, the rotating cylinder (11) is rotatably connected and arranged on the moving rod (3), the connecting pipe (12) is connected and arranged on one side of the rotating cylinder (11), a partition (14) is connected and arranged in the middle of the connecting pipe (12), the number of the clamping plates (13) is two and they are arranged oppositely, one end of the clamping plate (13) is integrally formed with a sliding rod (15), the end of the sliding rod (15) is slidably arranged in the connecting pipe (12) and is connected to the partition (14) through a spring 2 (16), and the rotating cylinder (11) is fixed by connecting to the positioning structure arranged on one side of the moving rod (3).

2. The electric power-assisted bicycle frame assembly positioning device according to claim 1, characterized in that: A slide bar is connected to the lower part of the moving rod (3), and a slide groove matching the slide bar is provided in the base (1).

3. The electric power-assisted bicycle frame assembly positioning device according to claim 1, characterized in that: A T-shaped slide bar is connected to the end of the fixed plate (8) which is slidably connected to the connecting plate (7), and a limiting groove matching the T-shaped slide bar is provided on the connecting plate (7).

4. The electric power-assisted bicycle frame assembly positioning device according to claim 1, characterized in that: The fixing plate (8) and the clamping plate (13) are both arc-shaped plates, and anti-skid rubber pads (17) are connected to the inside of the support groove (5) and the inner sides of the fixing plate (8) and the clamping plate (13), and the anti-skid rubber pads (17) in the support groove (5) extend to the outer side wall of the support groove (5).

5. The electric power-assisted bicycle frame assembly positioning device according to claim 1, characterized in that: The positioning structure comprises a rotating groove (18) and a positioning rod (19); the rotating groove (18) is rotatably connected to the side wall of the moving rod (3); one end of the positioning rod (19) is slidably arranged in the rotating groove (18) and is connected to the inner wall of the rotating groove (18) through a spring three (20); a plurality of insertion holes (21) matching the positioning rod (19) are arranged on the side wall of the rotating drum (11); the other end of the positioning rod (19) is inserted into the insertion hole (21).

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