Electrically assisted bicycle middle motor hanger structure

Abstract

The utility model relates to a kind of electric power-assisted bicycle middle motor hanger structure, including hanger, the first hanging point, second hanging point and third hanging point for installing motor are equipped on the hanger, wherein the interval of first hanging point and second hanging point is designed as after motor installation, hanger interior forms wire harness connector placement space;Opening is made in the notch of the left side of hanger (the left side of vehicle advancing direction), the length of the notch is greater than 50mm, height is greater than 10mm, for making wire harness connector extend out of hanger;Cover, connect with hanger by first screw, for closing the notch.Solved that electric power-assisted bicycle middle motor hanger wiring space is narrow, and it is inconvenient to assemble and disassemble.

Description

Technical Field

[0001] This utility model relates to the field of electric-assisted bicycles, and in particular to a mid-mounted motor hanger structure for electric-assisted bicycles. Background Technology

[0002] Currently, the mid-drive motor hangers for electric-assist bicycles face significant technical bottlenecks in practical applications. Existing hanger designs generally have limited internal wiring space, a deficiency that directly leads to inconvenience during maintenance. When repairing or replacing the motor wiring harness, the limited space makes plugging and unplugging the connectors difficult, increasing maintenance complexity and potentially damaging the harness or connectors, impacting maintenance efficiency and motor reliability. Furthermore, the narrow wiring space makes component installation prone to interference; for example, the installation of hanger windows and other components may be affected by the limited space, further restricting the maintenance convenience and structural rationality of the mid-drive motor system. These problems have long existed in the design of mid-drive motor hangers for electric-assist bicycles, urgently requiring structural optimization to expand wiring space and improve ease of installation and disassembly. Utility Model Content

[0003] This application provides a central motor hanger structure for electric-assist bicycles, which solves the problem of narrow wiring space and inconvenient installation and disassembly in existing central motor hangers for electric-assist bicycles.

[0004] The technical solutions adopted in the embodiments of this application are as follows.

[0005] A mid-mounted motor hanger structure for an electric-assist bicycle includes a hanger with a first hanging point, a second hanging point, and a third hanging point for mounting the motor. The distance between the first and second hanging points is designed so that, after the motor is installed, the interior of the hanger forms a space for a wiring harness connector. A notch is provided on the left side of the hanger (left side in the direction of vehicle travel), the notch being longer than 50mm and higher than 10mm, for allowing the wiring harness connector to extend outside the hanger. A cover is connected to the hanger via a first screw to close the notch.

[0006] As a further improvement to the above technical solution:

[0007] The first, second, and third mounting points are fixedly connected to the motor by a second screw and nut.

[0008] The location of the notch is designed so as not to affect the installation of the hanger window and other components.

[0009] After the protective cover and the hanger are assembled, the notch forms a closed space and does not affect the overall appearance of the motor.

[0010] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0011] 1. By employing a rationally designed spacing between the first and second mounting points, a dedicated space for the wiring harness connector is created inside the hanger. Simultaneously, a notch greater than 50mm in length and 10mm in height is provided on the left side of the hanger, allowing the wiring harness connector to extend smoothly outside. Compared to existing hangers with narrow wiring spaces, this significantly improves the environment for installing and removing the wiring harness connector during maintenance, reduces the difficulty of insertion and removal, minimizes the risk of damage to the wiring harness and connector due to insufficient space, and significantly improves maintenance efficiency and motor reliability. The notch position is carefully designed to not interfere with the installation of the hanger window and other components, effectively solving the problem of interference during component installation caused by narrow wiring space in existing hangers. This ensures smooth and unobstructed installation of all components in the mid-drive motor system, improves the rationality and compatibility of the hanger structure design, and facilitates the overall assembly of the electric-assist bicycle. The protective cover is connected to the hanger via the first screw, sealing the notch to form a closed space. This protects the wiring harness connector from external dust and moisture while not affecting the overall appearance of the motor. It meets the protection requirements of practical use while also considering the aesthetics of the product design, enhancing the product's practicality and market competitiveness. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the central motor hanger for electric-assisted bicycles according to this utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the central motor hanger for electric-assisted bicycles according to this utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the central motor hanger for electric-assisted bicycles according to this utility model.

[0015] Figure 4 This is a schematic diagram of the structure of the central motor hanger for electric-assisted bicycles according to this utility model.

[0016] In the diagram: 1. Hanger; 2. Second screw; 3. Motor; 4. Notch; 5. Wiring harness connector; 6. First hanging point; 7. Second hanging point; 8. Third hanging point; 9. Nut; 10. Protective cover; 11. First screw; 12. Hanger window. Detailed Implementation

[0017] This application provides a central motor hanger structure for electric-assist bicycles, which solves the problem of narrow wiring space and inconvenient installation and disassembly in existing central motor hangers for electric-assist bicycles.

[0018] The technical solution in this application embodiment is to solve the above problems, and the overall idea is as follows:

[0019] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0020] A mid-mounted motor hanger structure for an electric-assist bicycle includes a hanger 1. The hanger 1 has a first mounting point 6, a second mounting point 7, and a third mounting point 8 for mounting a motor 3. The distance between the first mounting point 6 and the second mounting point 7 is designed so that after the motor 3 is installed, a space for a wire harness connector 5 is formed inside the hanger 1. A notch 4 is opened on the left side of the hanger 1 (left side in the direction of vehicle travel). The notch 4 has a length greater than 50mm and a height greater than 10mm to allow the wire harness connector 5 to extend out of the hanger 1. A cover 10 is connected to the hanger 1 by a first screw 11 to close the notch 4.

[0021] The first hanging point 6, the second hanging point 7, and the third hanging point 8 are fixedly connected to the motor 3 by the second screw 2 and the nut 9.

[0022] The location of the notch 4 is designed so as not to affect the installation of the hanger window 12 and other components.

[0023] After the protective cover 10 and the hanger 1 are assembled, the notch 4 forms a closed space and does not affect the overall appearance of the motor 3.

[0024] By employing a rationally designed spacing between the first hanging point 6 and the second hanging point 7, a dedicated space for the wiring harness connector 5 is created inside the hanger 1. Simultaneously, a notch 4, greater than 50mm in length and 10mm in height, is provided on the left side of the hanger 1, allowing the wiring harness connector 5 to extend smoothly outside the hanger 1. Compared to existing hangers with narrow wiring spaces, this significantly improves the environment for installing and removing the wiring harness connector 5 during maintenance, reduces the difficulty of insertion and removal, minimizes the risk of damage to the wiring harness and connector due to insufficient space, and significantly enhances maintenance efficiency and the reliability of the motor 3. The notch 4 is carefully designed to not interfere with the installation of the hanger 1 window and other components, effectively solving the problem of interference during component installation caused by the narrow wiring space in existing hangers 1. This ensures smooth and unobstructed installation of all components in the mid-drive motor 3 system, improves the rationality and compatibility of the hanger 1's structural design, and facilitates the overall assembly of the electric-assist bicycle. The protective cover 10 is connected to the hanger 1 by the first screw 11, and the closed notch 4 forms a closed space. While protecting the wire harness connector 5 from external dust and moisture, it does not affect the overall appearance of the motor 3. It not only meets the protection requirements in actual use, but also takes into account the aesthetics of the product's appearance design, thereby improving the product's practicality and market competitiveness.

[0025] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0026] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A mid-mounted motor hanger structure for an electric-assist bicycle, characterized in that, Includes a hanger (1), which has a first hanging point (6), a second hanging point (7) and a third hanging point (8) for installing a motor (3), wherein the distance between the first hanging point (6) and the second hanging point (7) is designed so that after the motor (3) is installed, a space for placing a wire harness connector (5) is formed inside the hanger (1); a notch (4) is opened on the left side of the hanger (1), the notch (4) is longer than 50mm and higher than 10mm, for allowing the wire harness connector (5) to extend out of the hanger (1); a cover (10) is connected to the hanger (1) by a first screw (11) for closing the notch (4).

2. The electric-assist bicycle mid-mounted motor hanger structure as described in claim 1, characterized in that, The first hanging point (6), the second hanging point (7) and the third hanging point (8) are fixedly connected to the motor (3) by the second screw (2) and the nut (9).

3. The electric-assist bicycle mid-mounted motor hanger structure as described in claim 1, characterized in that, The location of the notch (4) is designed so as not to affect the installation of the hanger window (12) and other components.

4. The electric-assist bicycle mid-mounted motor hanger structure as described in claim 1, characterized in that, After the protective cover (10) and the hanger (1) are assembled, the notch (4) forms a closed space and does not affect the overall appearance of the motor (3).

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