Auxiliary motor wheel assembly for bicycle

Abstract

The present invention relates to an auxiliary motor wheel assembly for a bicycle, wherein an electric bicycle throttle mounted on the handlebar of a standard bicycle made of a diamond frame structure is operated, and an auxiliary motor wheel mounted to be positioned at the rear end of the front wheel of the standard bicycle is driven by power from a battery mounted on the down tube located below the top tube of the standard bicycle. According to the present invention, an electric bicycle throttle, battery, and auxiliary motor wheel can be easily mounted on the diamond frame structure of a conventional bicycle without altering the structure of the conventional bicycle, thereby providing the advantage of improved usability that the conventional bicycle can be universally utilized as an electric bicycle regardless of the design of the conventional bicycle.

Description

Technology Field

[0001] The present invention relates to a bicycle, and more specifically to an auxiliary motor wheel assembly for a bicycle. Background Technology

[0002] Patent Document 1 discloses self-powered planetary orbital wheel assemblies.

[0003] The self-powered lateral track wheel assembly disclosed in Patent Document 1 allows a regular bicycle to be used as an electric bicycle by removing the front wheel of the bicycle, connecting the self-powered lateral track wheel to the bicycle frame, and then attaching the throttle of the wheel to the handlebar of the bicycle to operate the self-powered lateral track wheel.

[0004] However, as mentioned above, the self-powered lateral track wheel assembly disclosed in Patent Document 1, which replaces the front wheel of a standard bicycle with a self-powered lateral track wheel integrated with a motor, has the following problems.

[0005] First, removing the front wheel of a standard bicycle and replacing it with a self-powered rotating track wheel requires special tools, making the installation process complex and reducing user convenience.

[0006] Secondly, if it is not suitable for the design of a standard bicycle, the replacement of the aforementioned self-powered rotating track wheel may be impossible or additional parts may be required.

[0007] Thirdly, the method of replacing the front wheel of a standard bicycle has limited compatibility with existing standard bicycles because it may require modifying the basic structure of the bicycle. Prior art literature

[0008] (Patent Document 0001) US 2019-0039451 A1 The problem to be solved

[0009] The present invention aims to solve the aforementioned conventional problems, and the objective of the present invention is to provide an auxiliary motor wheel assembly for a bicycle that operates an electric bicycle throttle mounted on the handlebar of a standard bicycle made of a diamond frame structure and drives an auxiliary motor wheel mounted to be positioned at the rear end of the front wheel of the standard bicycle using power from a battery mounted on the down tube located below the top tube of the standard bicycle. means of solving the problem

[0010] To achieve the objectives of the present invention as described above, the auxiliary motor wheel assembly for a bicycle according to the present invention comprises: an electric bicycle throttle mounted on a handlebar fixed to the upper end of a head tube connected to the front end of a top tube of a diamond frame structure of a general bicycle; a battery mounted on a down tube located at the lower end of the top tube; and an auxiliary motor wheel mounted to be positioned at the rear end of the front wheel by means of a pair of forks connected to the lower end of the head tube to fix the front wheel, and a pair of fork connectors and a pair of down tube connectors respectively connected to the down tube. The above auxiliary motor wheel is characterized by being driven by the power of the battery when the electric bicycle throttle is operated.

[0011] In an auxiliary motor wheel assembly for a bicycle according to the present invention, the electric bicycle throttle is characterized by including a display unit that displays information on the remaining charge of the battery.

[0012] In an auxiliary motor wheel assembly for a bicycle according to the present invention, the electric bicycle throttle is characterized by outputting an alarm message indicating a low remaining charge of the battery or the need to charge the battery through a built-in speaker or buzzer.

[0013] In an auxiliary motor wheel assembly for a bicycle according to the present invention, the electric bicycle throttle is characterized by being composed of any one of a grip throttle that controls the speed of the auxiliary motor wheel by rotation, a lever throttle that controls the speed of the auxiliary motor wheel by pressing or pulling with a finger, or a button throttle that controls the speed of the auxiliary motor wheel by pressing a button.

[0014] An auxiliary motor wheel assembly for a bicycle according to the present invention is characterized in that the pair of fork connecting members include a shock absorber that absorbs shock during driving to improve ride comfort.

[0015] An auxiliary motor wheel assembly for a bicycle according to the present invention is characterized in that the pair of down tube connecting members include a shock absorber that absorbs shock during driving to improve ride comfort. Effects of the invention

[0016] According to the present invention, an electric bicycle throttle, battery, and auxiliary motor wheel can be easily mounted on the diamond frame structure of a conventional bicycle without altering the structure of the conventional bicycle, thereby providing the advantage of improved usability that the conventional bicycle can be universally utilized as an electric bicycle regardless of the design of the conventional bicycle. Brief explanation of the drawing

[0017] FIG. 1 is an example showing the usage state of an auxiliary motor wheel assembly for a bicycle according to the present invention. FIG. 2 is a schematic diagram illustrating the electrical connection state of an auxiliary motor wheel assembly for a bicycle shown in FIG. 1. Specific details for implementing the invention

[0018] Hereinafter, embodiments of the present invention will be described in more detail with reference to the attached drawings.

[0019] The auxiliary motor wheel assembly for a bicycle according to the present invention described below is not limited to the embodiments below, and its technical spirit extends to the scope in which any person with ordinary knowledge in the relevant technical field can modify and implement it without departing from the gist of the technology claimed in the claims.

[0020] Referring to FIGS. 1 and 2, the auxiliary motor wheel assembly (100) for a bicycle according to the present invention comprises an electric bicycle throttle (110), a battery (120), and an auxiliary motor wheel (130).

[0021] The above electric bicycle throttle (110) is mounted on a handle bar (230) fixed to the top of a head tube (220) connected to the front end of a top tube (210) of a diamond frame structure (200) of a regular bicycle.

[0022] It is preferable that the electric bicycle throttle (110) includes a display unit (111) that displays information on the remaining amount of the battery (120).

[0023] It is preferable that the electric bicycle throttle (110) outputs an alarm message indicating that the remaining charge of the battery (120) is low or that the battery (120) needs to be charged through a built-in speaker or buzzer.

[0024] The electric bicycle throttle (110) may be configured as a rotary grip throttle that controls the speed of the auxiliary motor wheel (130).

[0025] The electric bicycle throttle (110) may be configured as a lever throttle that controls the speed of the auxiliary motor wheel (130) by pressing or pulling with a finger.

[0026] The electric bicycle throttle (110) above may be configured as a button throttle that controls the speed of the auxiliary motor wheel (130) by pressing a button.

[0027] The battery (120) is mounted on a down tube (240) located at the bottom of the top tube (210).

[0028] It is preferable that the above battery (120) be a rechargeable battery.

[0029] The auxiliary motor wheel (130) is mounted to be positioned at the rear end of the front wheel (250) by means of a pair of forks (221) connected to the lower end of the head tube (120) to secure the front wheel (250), and a pair of fork connectors (131) and a pair of down tube connectors (132) respectively connected to the down tube (240).

[0030] The auxiliary motor wheel (130) is driven by the power of the battery (120) when the electric bicycle throttle (110) is operated.

[0031] It is preferable that the above pair of fork connecting rods (131) include a shock absorber that absorbs shocks while driving to improve ride comfort.

[0032] It is preferable that the above pair of down tube connectors (132) include a shock absorber that absorbs shocks while driving to improve ride comfort.

[0033] The auxiliary motor wheel assembly (100) for a bicycle according to the present invention, configured as described above, operates as follows.

[0034] The auxiliary motor wheel assembly (100) for a bicycle according to the present invention is preferably applied to a general bicycle having a diamond frame structure (200) as shown in FIG. 1.

[0035] The user mounts the electric bicycle throttle (110) on a handle bar (230) fixed to the top of a head tube (220) connected to the front end of a top tube (210) of the diamond frame structure (200) of the above-mentioned general bicycle.

[0036] Additionally, the user mounts the battery (120) to the down tube (240) located at the bottom of the top tube (210).

[0037] Additionally, the user mounts the auxiliary motor wheel (130) to be positioned at the rear end of the front wheel (250) using a pair of forks (221) connected to the bottom of the head tube (120) to secure the front wheel (250), and a pair of fork connectors (131) and a pair of down tube connectors (132) respectively connected to the down tube (240).

[0038] In an embodiment of the present invention, the auxiliary motor wheel (130) is mounted so as to be positioned at the rear end of the front wheel (250), and it is preferable that it be mounted at an appropriate position that does not interfere with the rotational operation of the bicycle pedal.

[0039] In addition, it is preferable that the electric bicycle throttle (110), battery (120), and auxiliary motor wheel (130) be mounted to remain electrically connected to each other by a power supply wire or a signal supply wire, as illustrated in FIG. 2.

[0040] As described above, when the electric bicycle throttle (110), battery (120), and auxiliary motor wheel (130) are all mounted on the diamond frame structure (200) of a standard bicycle, when the user operates the electric bicycle throttle (110) to control the speed of the auxiliary motor wheel (130), the auxiliary motor wheel (130) is driven by the power of the battery (120).

[0041] As described above, while a regular bicycle is utilized as an electric bicycle by the auxiliary motor wheel assembly (100) for a bicycle according to the present invention, the electric bicycle throttle (110) displays the remaining amount information of the battery (120) on the display unit (111) to inform the user.

[0042] If the remaining amount of the battery (120) is less than a predetermined threshold value, it is preferable for the electric bicycle throttle (110) to output an alarm message indicating that the remaining amount of the battery (120) is low or that the battery (120) needs to be charged through a built-in speaker or buzzer.

[0043] Meanwhile, the auxiliary motor wheel assembly (100) for a bicycle according to the present invention can be mounted on a regular bicycle as described above, and after utilizing the regular bicycle as an electric bicycle, it can be detached from the regular bicycle and stored.

[0044] As can be seen from the above, according to the present invention, the electric bicycle throttle (110), battery (120), and auxiliary motor wheel (130) can be easily mounted on the diamond frame structure (200) of the ordinary bicycle without changing the structure of the ordinary bicycle, thereby improving the convenience of use so that the ordinary bicycle can be universally utilized as an electric bicycle regardless of the design of the ordinary bicycle. Explanation of the symbols

[0045] 100: Bicycle auxiliary motor wheel assembly 110: Electric bicycle throttle 111: Display unit 120: Battery 130: Auxiliary motor wheel 131: Fork connector 132: Down tube connector 200: Diamond frame structure 210: Top tube 220: head tube 221: Fork 230: Handlebar 240: Down tube 250: Front wheel

Claims

Claim 1 An electric bicycle throttle (110) mounted on a handlebar (230) fixed to the top of a head tube (220) connected to the front end of a top tube (210) of a diamond frame structure (200) of a regular bicycle; and a battery (120) mounted on a down tube (240) located at the bottom of the top tube (210); An auxiliary motor wheel assembly for a bicycle, comprising: a pair of forks (221) connected to the lower end of the head tube (120) to fix the front wheel (250); a pair of fork connectors (131) and a pair of down tube connectors (132) respectively connected to the down tube (240) to position the auxiliary motor wheel (130) at the rear end of the front wheel (250); wherein the auxiliary motor wheel (130) is driven by the power of the battery (120) when the electric bicycle throttle (110) is operated. Claim 2 An auxiliary motor wheel assembly for a bicycle, characterized in that, in claim 1, the electric bicycle throttle (110) includes a display unit (111) that displays information on the remaining amount of the battery (120). Claim 3 An auxiliary motor wheel assembly for a bicycle, characterized in that, in claim 1, the electric bicycle throttle (110) outputs an alarm message indicating that the remaining charge of the battery (120) is low or that the battery (120) needs to be charged through a built-in speaker or buzzer. Claim 4 An auxiliary motor wheel assembly for a bicycle, characterized in that, in claim 1, the electric bicycle throttle (110) is configured as any one of a grip throttle that controls the speed of the auxiliary motor wheel (130) in a rotary manner, a lever throttle that controls the speed of the auxiliary motor wheel (130) by pressing or pulling with a finger, or a button throttle that controls the speed of the auxiliary motor wheel (130) by pressing a button. Claim 5 An auxiliary motor wheel assembly for a bicycle, characterized in that, in claim 1, the pair of fork connecting rods (131) include a shock absorber that absorbs shocks while driving to improve ride comfort. Claim 6 An auxiliary motor wheel assembly for a bicycle, characterized in that, in claim 1, the pair of down tube connectors (132) include a shock absorber that absorbs shocks while driving to improve ride comfort.

Images