KR20240035112A - Rear wheel bracket for electric twowheeled vehicle - Google Patents

Abstract

The present invention relates to a rear wheel bracket for an electric two-wheeled vehicle. The rear wheel bracket for an electric two-wheeled vehicle is mounted on an electric two-wheeled vehicle manufactured using a conventional frame for a specific two-wheeled vehicle, wherein the right bracket is installed at the front start end. A first right body frame having a right fastener coupled to a sphere and inclined downwardly toward the rear, the first right body frame extending parallel to the ground toward the rear from a rear end of the first right body frame and having the first right body frame at the rear end. a bracket right frame including a second right body frame having a right plate on which the rear wheel structure is installed; A first left body frame having a left fastener coupled to the left bracket installation tool at the front starting end and inclined downward toward the rear, and parallel to the ground toward the rear at the rear end of the first left body frame. A bracket left frame including a second left body frame extending and having a left plate at a rear side end on which the rear wheel structure is installed, and provided in a symmetrical form with the bracket right frame; and a bracket connection frame connecting the bracket right frame and the bracket left frame.

Description

Rear wheel bracket for electric two-wheeled vehicle {REAR WHEEL BRACKET FOR ELECTRIC TWOWHEELED VEHICLE}

The present invention relates to a rear wheel bracket for an electric two-wheeled vehicle, and more specifically, when manufacturing an electric two-wheeled vehicle using a conventional two-wheeled vehicle frame, securing a battery storage space where the battery can be easily taken in and out. This relates to a rear wheel bracket for an electric two-wheeled vehicle that improves seat cushioning by assisting the suspension at the same time.

Recently, electric two-wheeled vehicles that operate on an electric drive system excluding internal combustion engines have been attracting attention as an eco-friendly means of transportation.

In manufacturing such an electric two-wheeled vehicle, a frame for a conventional two-wheeled vehicle may be used.

Figures 1 and 2 are images taken of a frame for a conventional two-wheeled vehicle.

Referring to Figures 1 and 2, the conventional frame for a two-wheeled vehicle is inclined upward toward the rear and has a right bracket installation hole 111 (conventionally functioning as an engine installation hole for engine installation) on the front lower side. A rear frame 110, which is inclined upwardly toward the rear symmetrically to the right rear frame 110 and has a left bracket installation hole 121 (conventionally functioning as an engine installation hole for engine installation) on the front lower side. A connection frame 130 connecting the left rear frame 120, the right rear frame 110, and the rear upper end of the left rear frame 120, and the right rear frame 110 and the left rear frame A first reinforcing tube 140 interconnecting the front lower portion of 120, and a second reinforcing tube 150 interconnecting the middle portion of the right rear frame 110 and the left rear frame 120. It includes a rear frame 100 on which a seat structure including a seat, a mud guard, a suspension, and a rear wheel structure including a rear wheel are installed. At this time, the rear frame 100 has starting ends of the right rear frame 110 and the left rear frame 120 installed on both sides of the rear of the center under frame 200 (frame for installing a footrest) (e.g. It is connected by welding.

In this case, in the case of a conventional rear wheel bracket (not shown) for a two-wheeled vehicle, it was installed in a 'ㅡ'-shaped structure toward the rear on both rear sides of the center underframe 200, and the same structure is used for an electric two-wheeled vehicle. When used to manufacture, there is a problem in that the battery cannot be easily stored in the rear space of the center underframe 200.

Additionally, in the case of a conventional rear wheel bracket (not shown) for a two-wheeled vehicle, there is a problem in that it does not provide a structure that improves cushioning by assisting the suspension.

Republic of Korea Patent Publication No. 10-2016-0064783 (published on June 8, 2016) Republic of Korea Patent Publication No. 10-1839824 (registered on March 13, 2018)

In solving the above-described problems, the purpose of the present invention is to provide a rear wheel bracket for an electric two-wheeled vehicle that secures a battery storage space for easy insertion and extraction of batteries when manufacturing an electric two-wheeled vehicle by suggesting a unique frame structure. It is in

In addition, the purpose of the present invention is to provide a rear wheel bracket for an electric two-wheeled vehicle that improves seat cushioning by assisting suspension by suggesting a unique frame structure.

The problems to be solved by the present invention are not limited to those mentioned above, and other problems to be solved that are not mentioned can be clearly understood by a person skilled in the art to which the present invention belongs from the following description. There will be.

A rear wheel bracket for an electric two-wheeled vehicle according to an embodiment of the present invention includes a right rear frame that is inclined upwardly toward the rear and has a right bracket installation port on the lower front side, and a right rear frame that is inclined upwardly toward the rear symmetrically with the right rear frame. a left rear frame provided with a left bracket installation port on the front lower side, a connection frame connecting upper rear ends of the right rear frame and the left rear frame to each other, and a front lower end of the right rear frame and the left rear frame a first reinforcing tube interconnecting the portions, and a second reinforcing tube interconnecting a middle portion of the right rear frame and the left rear frame, a seat structure including a seat, a mud guard, a suspension, and a rear wheel. In the rear wheel bracket for an electric two-wheeled vehicle mounted on an electric two-wheeled vehicle including a rear frame on which a rear wheel structure is installed, the rear wheel bracket for an electric two-wheeled vehicle is provided with a right fastener coupled to the right bracket installation hole at the front starting end and is directed toward the rear. A first right body frame provided to be inclined downward, and a second right plate extending parallel to the ground from the rear end of the first right body frame toward the rear and having the rear wheel structure installed at the rear end. Bracket right frame including right body frame; A first left body frame having a left fastener coupled to the left bracket installation tool at the front start end and inclined downward toward the rear, and parallel to the ground toward the rear at the rear end of the first left body frame. A bracket left frame including a second left body frame extending and having a left plate at a rear side end on which the rear wheel structure is installed, and provided in a symmetrical form with the bracket right frame; and a bracket connection frame connecting the bracket right frame and the bracket left frame.

In this case, the first right body frame is formed to extend from the right fastener to a predetermined length inclined downwardly toward the front and back in the forward and backward direction and has a straight bar shape, and the second right body frame is the first right body frame. A first body that extends from the rear end of the body and is first bent inward to a predetermined length and has the shape of a straight bar, and is secondarily bent at the rear end of the first body to a predetermined length toward the rear in the forward and backward forward direction. It is configured to include a second body that is formed and has a straight bar shape, wherein the first left body frame is formed to extend from the left fastener in an anteroposterior positive direction downwardly toward the rear for a predetermined length and has a straight bar shape, The second left body frame includes a first body that extends from the rear end of the first left body frame and is first bent inward to a predetermined length and has a straight bar shape, and a rear end of the first body. It may be configured to include a second body that is secondarily bent to have a predetermined length in the forward/backward forward direction toward the rear, and has a straight bar shape.

At this time, the bracket connection frame may have a straight bar shape that interconnects the inner surfaces of lower portions of the first right body frame and the first left body frame in left and right directions.

Meanwhile, the first right body frame is a first body extending from the right fastener and having a straight bar shape with a predetermined length toward the rear in the forward and backward positive directions, and extending from the rear end of the first body to the inside. A second body that is bent to a predetermined length and has the shape of a straight bar, and a third body that is secondarily bent at the rear end of the second body to be inclined downward in the forward and backward directions to a predetermined length and has the shape of a straight bar. It is configured to include a body, and the second right body frame is formed to extend a predetermined length from a rear side end of the first right body frame toward the rear in the front-rear positive direction and has a straight bar shape, and the first left body frame is a first body that extends from the left fastener and is formed to a predetermined length toward the rear in the front-rear positive direction and has a straight bar shape, and is formed to a predetermined length by first bending inward at the rear end of the first body; It includes a second body in the shape of a straight bar and a third body in the shape of a straight bar, which is secondarily bent at a rear end of the second body to form a predetermined length inclined downwardly toward the rear in the front and rear forward direction, The second left body frame may extend a predetermined length from the rear end of the first left body frame toward the rear in the forward/backward direction and may have a straight bar shape.

At this time, the bracket connection frame may have a straight bar shape that interconnects the inner surface of the upper portion of the third body of the first right body frame and the third body of the first left body frame in the left and right directions. .

Meanwhile, the first right body frame is a first body that extends from the right fastener and is formed to have a predetermined length inclined downwardly toward the rear in the front and rear positive direction and has a straight bar shape, and is formed on the inner side at the rear end of the first body. a second body that is first bent to form a predetermined length inclined downwardly toward the rear at the same angle as the first body and has a straight bar shape, and is secondarily bent at the rear end of the second body to form the second body and It is configured to include a third body that is inclined downwardly toward the rear at the same angle and has a predetermined length and has a straight bar shape, wherein the second right body frame is rearward in the forward and backward direction at the rear end of the first right body frame. The first left body frame extends from the left fastener to a predetermined length and slopes downward toward the rear in the forward/backward direction, and has a straight bar shape. A body, a second body that is first bent inward at the rear end of the first body to have a predetermined length inclined downwardly at the same angle as that of the first body and has a straight bar shape, and the rear of the second body It is configured to include a third body that is secondarily bent at a side end, is formed to have a predetermined length inclined downwardly toward the rear at the same angle as the second body, and has a straight bar shape, wherein the second left body frame includes the first body. It is formed to extend a predetermined length from the rear end of the left body frame toward the rear in the forward and backward directions and may have the shape of a straight bar.

At this time, the bracket connection frame may have a straight bar shape that interconnects the inner surface of the lower portion of the third body of the first right body frame and the third body of the first left body frame in the left and right directions. .

Meanwhile, the right plate and the left plate may be individually provided with a mud guard installation hole for installing the mud guard, a suspension installation hole for installing the suspension, and a rear wheel installation hole for installing the rear wheel. You can.

The rear wheel bracket for an electric two-wheeled vehicle according to an embodiment of the present invention may further include at least one wire management bracket installed on a lower portion of the right frame of the bracket or the left frame of the bracket.

Meanwhile, the downward inclination angle of the first right body frame and the first left body frame is preferably the same as the downward inclination angle of the suspension when installed on the rear frame.

As described above, the rear wheel bracket for an electric two-wheeled vehicle according to the present invention presents a unique frame structure to secure a battery storage space where the battery can be easily taken in and out when manufacturing an electric two-wheeled vehicle.

In addition, the rear wheel bracket for an electric two-wheeled vehicle according to the present invention provides a unique frame structure to assist suspension and improve seat cushioning.

The effects of the present invention are not limited to those mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

Figures 1 and 2 are images taken of a frame for a conventional two-wheeled vehicle.
Figure 3 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to a first embodiment of the present invention.
Figure 4 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to a second embodiment of the present invention.
Figure 5 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to a third embodiment of the present invention.
Figure 6 is an image taken of a state in which the rear wheel bracket for an electric two-wheeled vehicle according to the second embodiment of the present invention is installed.
Figure 7 is an image taken of a state in which the rear wheel bracket for an electric two-wheeled vehicle according to the third embodiment of the present invention is installed.

In the present invention, the accompanying drawings may be shown in exaggerated expressions for differentiation and clarity from the prior art and for convenience in understanding the technology. In addition, the terms described below are terms defined in consideration of the functions in the present invention, and may vary depending on the intention or custom of the user or operator, so definitions of these terms should be made based on the technical content throughout the present specification. will be. Meanwhile, the examples are merely illustrative of the components presented in the claims of the present invention and do not limit the scope of the present invention, and the scope of the rights should be interpreted based on the technical idea throughout the specification of the present invention. .

Throughout the specification, when a certain configuration is said to “include” a certain configuration, this means that other configurations may be further included rather than excluding other configurations, unless specifically stated to the contrary.

In addition, when a configuration is said to be “connected,” “connected,” or “coupled” to another configuration, this does not only mean “directly connected,” “directly connected,” or “directly coupled,” but also means “that.” This means that there may be cases of 'connection with another configuration in the middle', 'connection with another configuration in the middle', or 'combined with another configuration in the middle'. On the other hand, when a configuration is said to be “directly connected,” “directly connected,” or “directly coupled” to another configuration, it should be understood that no other configuration exists in between.

Additionally, when directional terms such as “front”, “back”, “top”, “bottom”, “left”, “right”, “one end”, “other end”, “both ends”, etc. are used, this refers to the disclosed drawings. They are used illustratively in relation to the orientation and should not be construed as limiting, and when terms such as “first” and “second” are used, these are terms for distinguishing each configuration and should not be construed as restrictive. . In addition, the terms parallel, symmetrical, forward and backward (meaning directionality without deviation left and right or up and down), left and right direction (meaning directionality without deviation front and back or up and down), and same angle mean that a third party has changed the angle within a certain range. It is used as a term that encompasses cases that are perceived as roughly parallel, symmetrical, front-to-back, front-to-back, and at the same angle.

In order to more clearly explain the characteristics of the embodiments of the present invention, detailed descriptions will be omitted regarding matters widely known to those skilled in the art to which the following embodiments belong. In addition, detailed description of parts in the drawings that are not related to the description of the embodiment will be omitted.

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

Figures 1 and 2 are images taken of a frame for a conventional two-wheeled vehicle, Figure 3 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to the first embodiment of the present invention, and Figure 4 is a second embodiment of the present invention. 2 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to an embodiment, Figure 5 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to a third embodiment of the present invention, and Figure 6 is a schematic perspective view of a rear wheel bracket for an electric two-wheeled vehicle according to a third embodiment of the present invention. 2 is an image taken of the state in which the rear wheel bracket for an electric two-wheeled vehicle is mounted according to the third embodiment of the present invention, and FIG. 7 is an image taken of the state in which the rear wheel bracket for an electric two-wheeled vehicle according to the third embodiment of the present invention is mounted. .

Hereinafter, with reference to FIGS. 1 to 7, rear wheel brackets 1000, 2000, and 3000 for electric two-wheeled vehicles according to embodiments of the present invention will be described.

First, the rear wheel brackets 1000, 2000, and 3000 for an electric two-wheeled vehicle according to an embodiment of the present invention are mounted on an electric two-wheeled vehicle manufactured using a conventional frame for a specific two-wheeled vehicle. That is, the rear wheel brackets 1000, 2000, and 3000 for an electric two-wheeled vehicle according to an embodiment of the present invention are mounted on an electric two-wheeled vehicle including a specific rear frame 100.

As described above, the rear frame 100 is inclined upward toward the rear and has a right bracket installation hole 111 (conventionally functioning as an engine installation hole for engine installation) on the front lower side. ) and a left rear frame (which conventionally functions as an engine installation hole for engine installation) which is inclined upwardly toward the rear symmetrically to the right rear frame 110 and has a left bracket installation hole 121 on the front lower side (conventionally functioning as an engine installation hole for engine installation) 120), a connection frame 130 connecting the rear upper ends of the right rear frame 110 and the left rear frame 120, and a connection frame 130 of the right rear frame 110 and the left rear frame 120. It includes a first reinforcing tube 140 interconnecting the front lower portion, and a second reinforcing tube 150 interconnecting the middle portion of the right rear frame 110 and the left rear frame 120, and the seat A seat structure 310 including 311, a mud guard 321 (may include a leg 321a for installation), a suspension 322, and a rear wheel 323 (due to the nature of an electric two-wheeled vehicle, a motor It is a configuration in which a rear wheel structure 320 including a wheel is installed. At this time, the rear frame 100 is located on both sides of the rear of the center under frame 200 (frame for installing a footrest) at the right rear. The frame 110 and the starting end of the left rear frame 120 are connected by installation (eg, welding connection).

The rear wheel bracket (1000, 2000, 3000) for an electric two-wheeled vehicle according to an embodiment of the present invention includes a bracket right frame (1100, 2100, 3100), a bracket left frame (1200, 2200, 3200), and a bracket connection frame (1300, 2300, 3300).

In this case, the rear wheel brackets (1000, 2000, 3000) for electric two-wheeled vehicles according to an embodiment of the present invention may be configured to further include wire management brackets (1400, 2400, 3400).

The bracket right frame (1100, 2100, 3100) has a right fastener (1111, 2111, 3111) coupled to the right bracket installation port 111 at the front starting end, and has a first right side inclined downward toward the rear. Body frames 1110, 2110, 3110, and the rear wheel structure 320 extending parallel to the ground toward the rear from the rear end of the first right body frame 1110, 2110, 3110, and the rear wheel structure 320 at the rear end. It is configured to include a second right body frame (1120, 2120, 3120) having right plates (1121, 2121, 3121) installed.

In this case, because the first right body frame (1110, 2110, 3110) is coupled to the right fastener (1111, 2111, 3111), the rear wheel bracket (1000, 1000) for an electric two-wheeled vehicle according to an embodiment of the present invention. 2000, 3000), unlike the conventional rear wheel bracket that is disposed in a '-' shaped structure toward the rear on both rear sides of the center under frame 200, has a battery installed on the upper rear side of the center under frame 200. (340) can be easily stored and installed (see FIGS. 6 and 7).

At this time, the right bracket installation hole 111 may have a 'ㄷ' shaped cross section, and the right fasteners (1111, 2111, 3111) are inserted into the right bracket installation hole 111 and then rivets and bolts. , can be fixed using screws, etc.

Meanwhile, the downward inclination angle of the first right body frame 1110, 2110, and 3110 is preferably the same as the downward inclination angle of the suspension 340 when installed on the rear frame 110. Through this structure, it was clearly confirmed experimentally that the rear wheel brackets 1000, 2000, and 3000 for electric two-wheeled vehicles according to an embodiment of the present invention assist the suspension 340 and improve seat cushioning.

Meanwhile, the right plate (1121, 2121, 3121) has mud guard installation holes (1121a, 2121a, 3121a) for installing the mud guard 321, suspension installation holes (1121b) for installing the suspension 322, 2121b, 3121b) and rear wheel installation holes 1121c, 2121c, 3121c for installing the rear wheel 323.

In this case, the mud guard 321 can be installed with the leg 321a in the mud guard installation holes 1121a, 2121a, 3121a using rivets, bolts, screws, etc., and the suspension 322 can be installed through suspension installation. It can be installed in the holes (1121b, 2121b, 3121b) using rivets, bolts, screws, etc.

In addition, the rear wheel installation holes (1121c, 2121c, 3121c) may have an opening and recessed shape at the lower or rear side of the right plate (1121, 2121, 3121), and the rear wheel 323 has its axis connected to the rear. It can be installed using a nut, etc. after inserting it into the wheel installation hole (1121c, 2121c, 3121c). As a more specific example, the right plate (1121, 2121, 3121) may further include rear wheel installation reinforcement holes (1121d, 2121d, 3121d) on the upper side of the rear wheel installation holes (1121c, 2121c, 3121c). , when applying a square-shaped reinforcement plate, attach the right plate (1121, 2121, 3121) to the upper hole of the reinforcement plate and the rear wheel installation reinforcement hole (1121d, 2121d, 3121d) using rivets, bolts, screws, etc. and fixing the reinforcement plate, the rear wheel 323 can be installed by inserting its axle into the lower hole of the reinforcement plate and the rear wheel installation hole (1121c, 2121c, 3121c) using a nut, etc.

The bracket left frame (1200, 2200, 3200) has a left fastener (1211, 2211, 3211) coupled to the left bracket installation port 121 at the front starting end, and has a first left side inclined downward toward the rear. Body frames (1210, 2210, 3210), and a rear wheel structure (320) extending parallel to the ground toward the rear from the rear end of the first left body frame (1210, 2210, 3210) and the rear wheel structure (320) at the rear end. It is configured to include a second left body frame (1210, 2210, 3210) having left plates (1221, 2221, 3221) installed.

In this case, since the first left body frame (1210, 2210, 3210) is coupled to the left fastener (1211, 2211, 3211), the rear wheel bracket (1000, 1000) for an electric two-wheeled vehicle according to an embodiment of the present invention. 2000, 3000), unlike the conventional rear wheel bracket that is disposed in a '-' shaped structure toward the rear on both rear sides of the center under frame 200, has a battery installed on the upper rear side of the center under frame 200. (340) can be easily stored and installed (see Figures 6 and 7).

At this time, the left bracket installation port 121 may have a 'ㄷ' shaped cross section, and the left fasteners (1211, 2211, 3211) are inserted into the left bracket installation port 121 and then rivets and bolts. , can be fixed using screws, etc.

Meanwhile, the downward inclination angle of the first left body frame 1210, 2210, and 3210 is preferably the same as the downward inclination angle of the suspension 340 when installed on the rear frame 110. Through this structure, it was clearly confirmed experimentally that the rear wheel brackets 1000, 2000, and 3000 for electric two-wheeled vehicles according to an embodiment of the present invention assist the suspension 340 and improve seat cushioning.

Meanwhile, the left plate (1221, 2221, 3221) has mud guard installation holes (1221a, 2221a, 3221a) for installing the mud guard 321, and suspension installation holes (1221b, 2221b) for installing the suspension 322. , 3221b) and rear wheel installation holes 1221c, 2221c, and 3221c for installing the rear wheel 323.

In this case, the mud guard 321 can be installed with the leg 321a in the mud guard installation holes 1221a, 2221a, 3221a using rivets, bolts, screws, etc., and the suspension 322 can be installed through suspension installation. It can be installed in the holes (1221b, 2221b, 3221b) using rivets, bolts, screws, etc.

In addition, the rear wheel installation holes (1221c, 2221c, 3221c) may have an opening and recessed shape at the lower or rear side of the left plate (1221, 2221, 3221), and the rear wheel 323 has its axis at the rear. It can be installed using a nut, etc. after inserting it into the wheel installation hole (1221c, 2221c, 3221c). As a more specific example, the left plate (1221, 2221, 3221) may further include rear wheel installation reinforcement holes (1221d, 2221d, 3221d) on the upper side of the rear wheel installation holes (1221c, 2221c, 3221c). , when applying a square-shaped reinforcement plate, attach the right plate (1121, 2121, 3121) to the upper hole of the reinforcement plate and the rear wheel installation reinforcement hole (1221d, 2221d, 3221d) using rivets, bolts, screws, etc. and fixing the reinforcement plate, the rear wheel 323 can be installed using a nut, etc. after inserting its axle into the lower hole of the reinforcement plate and the rear wheel installation hole (1221c, 2221c, 3221c).

The bracket left frame (1200, 2200, 3200) is provided in a symmetrical form with the bracket right frame (1100, 2100, 3100).

The bracket connection frames (1300, 2300, 3300) are configured to interconnect the bracket right frame (1100, 2100, 3100) and the bracket left frame (1200, 2200, 3200).

Each frame is preferably made of metal, and can be connected to each other by welding.

The wire management brackets (1400, 2400, 3400) are configured to be installed at least one lower part of the bracket right frame (1100, 2100, 3100) or the bracket left frame (1200, 2200, 3200). The wire management brackets 1400, 2400, 3400 may have a 'ㄷ' shaped cross section, and due to the nature of the electric two-wheeled vehicle being driven based on a battery, control unit, and motor, the rear wheel structure 320 (as described above) As shown, the wire 330 connected to the rear wheel 332 may be a motor wheel) can be inserted and fixed using rivets, bolts, screws, etc. (see FIG. 7).

Hereinafter, the rear wheel bracket 1000 for an electric two-wheeled vehicle according to the first embodiment of the present invention, the rear wheel bracket 2000 for an electric two-wheeled vehicle according to the second embodiment, and the rear wheel bracket 2000 for an electric two-wheeled vehicle according to the third embodiment of the present invention. The difference in shape of the rear wheel bracket (3000) will be explained. Detailed description of the common features described above will be omitted.

This morphological difference is that the distance between the right fastener (1111, 2111, 3111) and the left fastener (1211, 2211, 3211) is the difference between the right plate (1121, 2121, 3121) and the left plate (1221, 2221, 3221) It occurs because it is greater than the distance between them.

Example 1

In particular, the morphological features of the rear wheel bracket 1000 for an electric two-wheeled vehicle according to the first embodiment of the present invention will be described with reference to FIG. 3.

The first right body frame 1110 extends from the right fastener 1111 to a predetermined length slanted downward toward the rear in the forward and backward positive directions and has a straight bar shape.

The second right body frame 1120 is a first body 1120a that extends from the rear end of the first right body frame 1110 and is first bent inward to have a predetermined length and has a straight bar shape. and a second body 1120b that is secondarily bent at the rear end of the first body 1120a to form a predetermined length toward the rear in the front-to-back forward direction and has a straight bar shape.

The first left body frame 1210 extends from the left fastener 1211 to a predetermined length slanted downward toward the rear in the forward and backward positive directions and has a straight bar shape.

The second left body frame 1220 is a first body 1220a that extends from the rear end of the first left body frame 1210 and is first bent inward to have a predetermined length and has a straight bar shape. And it may be configured to include a second body 1220b that is secondarily bent at the rear end of the first body 1220a to form a predetermined length toward the rear in the front-to-back forward direction and has a straight bar shape.

At this time, the bracket connection frame 1300 may have a straight bar shape that interconnects the inner surfaces of the lower portions of the first right body frame 1110 and the first left body frame 1220 in the left and right directions.

As described above, the downward inclination angle of the first right body frame 1110 and the first left body frame 1210 is preferably the same as the downward inclination angle of the suspension 340.

Second Embodiment

In particular, the morphological features of the rear wheel bracket 2000 for an electric two-wheeled vehicle according to the second embodiment of the present invention will be described with reference to FIGS. 4 and 6.

The first right body frame 2110 includes a first body 2110a that extends from the right fastener 2111 and has a predetermined length in the forward and backward positive directions toward the rear and has a straight bar shape, the first body (2110a) The second body 2110b is first bent inward at the rear end of the second body 2110a to form a predetermined length and has a straight bar shape, and is secondarily bent at the rear end of the second body 2110b to move backwards in the forward and backward directions. It is formed to have a predetermined length inclined downwardly and includes a third body 2110c having a straight bar shape.

The second right body frame 2120 extends a predetermined length from the rear end of the first right body frame 2110 toward the rear in the forward-backward direction and has a straight bar shape.

The first left body frame 2210 includes a first body 2210a that extends from the left fastener 2211, is formed to a predetermined length in the front-to-rear forward direction toward the rear, and has a straight bar shape, the first body (2210a) A second body 2210b is formed to a predetermined length and has a straight bar shape by first bending inward at the rear end of 2210a), and is secondarily bent at the rear end of the second body 2210b to move backwards in the forward and backward directions. It is formed to have a predetermined length inclined downwardly and includes a third body 2210c having a straight bar shape.

The second left body frame 2220 extends a predetermined length from the rear end of the first left body frame 2210 toward the rear in the forward-backward direction and has a straight bar shape.

At this time, the bracket connection frame 2400 is located within the upper portion of the third body 2110c of the first right body frame 2110 and the third body 2210c of the first left body frame 2210. It may have a straight bar shape that connects the sides in the left and right directions.

As described above, the downward inclination angle of the third body 2110c of the first right body frame 2110 and the third body 2210c of the first left body frame 2210 is the suspension 340. It is preferable that it is equal to the downward slope angle of .

Third Example

In particular, the morphological features of the rear wheel bracket 3000 for an electric two-wheeled vehicle according to the third embodiment of the present invention will be described with reference to FIGS. 5 and 7.

Meanwhile, the first right body frame 3110 includes a first body 3110a that extends from the right fastener 3111 and is formed to have a predetermined length inclined downwardly toward the rear in the forward and backward positive directions and has a straight bar shape, A second body (3110b) that is first bent inward at the rear end of the first body (3110a) to form a predetermined length inclined downwardly at the same angle as the first body (3110a) and has a straight bar shape, and It includes a third body (3110c) that is secondarily bent at the rear end of the second body (3110b) to form a predetermined length inclined downwardly toward the rear at the same angle as the second body (3110b) and has a straight bar shape. It is composed by:

The second right body frame 3120 extends a predetermined length from the rear end of the first right body frame 3110 backwards and forwards toward the rear and has a straight bar shape.

The first left body frame 3210 includes a first body 3210a that extends from the left fastener 3211 and has a predetermined length inclined downwardly toward the rear in the forward and backward positive directions and has a straight bar shape, the first body 3210a A second body (3210b) that is first bent inward at the rear end of the body (3210a) to form a predetermined length inclined downwardly at the same angle as the first body (3210a) and has a straight bar shape, and the second body (3210b) 2. It includes a third body 3210c that is secondarily bent at the rear end of the body 3210b, is formed to have a predetermined length inclined downwardly toward the rear at the same angle as the second body 3210b, and has a straight bar shape. do.

The second left body frame 3220 extends a predetermined length from the rear end of the first left body frame 3210 toward the rear in the forward-backward direction and has a straight bar shape.

At this time, the bracket connection frame 3400 is located within the lower portion of the third body 3110c of the first right body frame 3110 and the third body 3210c of the first left body frame 3210. It may have the form of a straight bar connecting the sides in the left and right directions.

As described above, the downward inclination angle of the first right body frame 3110 and the first left body frame 3210 is preferably the same as the downward inclination angle of the suspension 340.

As described above, the rear wheel bracket for an electric two-wheeled vehicle according to the present invention presents a unique frame structure to secure a battery storage space for easily inserting and retracting the battery when manufacturing an electric two-wheeled vehicle, and assists the suspension. Improves seat cushioning.

As described above, the present invention has been described with reference to the embodiments shown in the drawings, but this is merely illustrative, and various modifications and equivalent other embodiments are possible based on common knowledge in the field to which the technology pertains. You must understand. Therefore, the true technical protection scope of the present invention is based on the claims described below and should be determined based on the specific details of the invention described above.

The present invention relates to a rear wheel bracket for an electric two-wheeled vehicle, and can be used in industrial fields related to electric two-wheeled vehicles.

100: rear frame
110: Right rear frame
111: Right bracket installation hole
120: Left rear frame
121: Left bracket installation hole
130: connection frame
140: first reinforcement tube
150: second reinforcement tube
200: Center underframe
310: Sheet structure
311: sheet
320: Rear wheel structure
321: mud guard
321a: leg
322: Suspension
323: rear wheel
330: wire
340: battery
1000, 2000, 3000: Rear wheel bracket for electric two-wheeled vehicle
1100, 2100, 3100: Bracket right frame
1110, 2110, 3110: First right body frame
2110a, 3110a: first body
2110b, 3110b: second body
2110c, 3110c: third body
1111, 2111, 3111: Right fastener
1120, 2120, 3120: Second right body frame
1120a: first body
1120b: second body
1121, 2121, 3121: Right plate
1121a, 2121a, 3121a: Mud guard installation hole
1121b, 2121b, 3121b: Suspension installation hole
1121c, 2121c, 3121c: Rear wheel installation hole
1121d, 2121d, 3121d: Rear wheel installation reinforcement hole
1200, 2200, 3200: Bracket left frame
1210, 2210, 3210: 1st left body frame
2210a, 3210a: first body
2210b, 3210b: second body
2210c, 3210c: third body
1211, 2211, 3211: Left fastener
1220, 2220, 3220: Second left body frame
1220a: first body
1220b: second body
1221, 2221, 3221: Left plate
1221a, 2221a, 3221a: Mud guard installation hole
1221b, 2221b, 3221b: Suspension installation hole
1221c, 2221c, 3221c: Rear wheel installation hole
1221d, 2221d, 3221d: Rear wheel installation reinforcement hole
1300, 2300, 3300: Bracket connection frame
1400, 2400, 3400: Wire management bracket

Claims (10)

A right rear frame that is inclined upward toward the rear and has a right bracket installation hole on the front lower side, and a left rear frame that is symmetrical to the right rear frame and is inclined upward toward the rear and has a left bracket installation hole on the front lower side; , a connection frame interconnecting the rear upper end of the right rear frame and the left rear frame, a first reinforcement tube interconnecting the front lower end of the right rear frame and the left rear frame, and the right rear frame An electric two-wheeled vehicle comprising a second reinforcement tube interconnecting the middle portion of the left rear frame, and a rear frame on which a seat structure including a seat and a rear wheel structure including a mudguard, suspension, and rear wheel are installed. In the rear wheel bracket for an electric two-wheeled vehicle mounted on,
A first right body frame having a right fastener coupled to the right bracket installation tool at the front start end and inclined downward toward the rear, and parallel to the ground toward the rear at the rear end of the first right body frame. a bracket right frame including a second right body frame extending and having a right plate on which the rear wheel structure is installed at a rear end;
A first left body frame having a left fastener coupled to the left bracket installation tool at the front start end and inclined downward toward the rear, and parallel to the ground toward the rear at the rear end of the first left body frame. A bracket left frame including a second left body frame extending and having a left plate at a rear side end on which the rear wheel structure is installed, and provided in a symmetrical form with the bracket right frame; and
A bracket connection frame connecting the bracket right frame and the bracket left frame to each other;
A rear wheel bracket for an electric two-wheeled vehicle, comprising:
According to paragraph 1,
The first right body frame extends from the right fastener to a predetermined length slanted downward toward the front and back in the positive direction and has a straight bar shape,
The second right body frame includes a first body that extends from the rear end of the first right body frame, is first bent inward to a predetermined length, and has a straight bar shape, and a rear end of the first body. It is configured to include a second body that is secondarily bent to form a predetermined length toward the rear in the forward-backward forward direction and has a straight bar shape,
The first left body frame extends from the left fastener to a predetermined length slanted downward in the forward and backward forward directions toward the rear and has a straight bar shape,
The second left body frame includes a first body that extends from the rear end of the first left body frame, is first bent inward to a predetermined length, and has a straight bar shape, and a rear end of the first body. A rear wheel bracket for an electric two-wheeled vehicle, characterized in that it includes a second body that is secondarily bent to form a predetermined length toward the rear in the front-to-rear forward direction and has a straight bar shape.
According to paragraph 2,
The bracket connection frame is a rear wheel bracket for an electric two-wheeled vehicle, characterized in that it has a straight bar shape that interconnects the inner surface of the lower portion of the first right body frame and the first left body frame in left and right directions.
According to paragraph 1,
The first right body frame is a first body that extends from the right fastener and has a predetermined length toward the rear in the front-back positive direction and has a straight bar shape, and is first bent inward from the rear end of the first body. a second body that is formed to a predetermined length and has the shape of a straight bar, and a third body that is formed to a predetermined length and has the shape of a straight bar by being secondarily bent at a rear end of the second body and slanting downward toward the rear in the front and rear forward direction. It consists of:
The second right body frame is formed to extend a predetermined length from a rear end of the first right body frame toward the rear in the forward and backward forward directions and has a straight bar shape,
The first left body frame is a first body that extends from the left fastener and has a predetermined length toward the rear in the front-rear positive direction and has a straight bar shape, and is first bent inward from the rear end of the first body. a second body that is formed to a predetermined length and has the shape of a straight bar, and a third body that is formed to a predetermined length and has the shape of a straight bar by being secondarily bent at a rear end of the second body and slanting downward toward the rear in the front and rear forward direction. It consists of:
The second left body frame is formed to extend a predetermined length from the rear end of the first left body frame toward the rear in the front-rear positive direction and has a straight bar shape. A rear wheel bracket for an electric two-wheeled vehicle.
According to paragraph 4,
The bracket connection frame is characterized in that it has a straight bar shape that interconnects the inner surface of the upper part of the third body of the first right body frame and the third body of the first left body frame in the left and right directions. Rear wheel bracket for electric two-wheeled vehicles.
According to paragraph 1,
The first right body frame is a first body that extends from the right fastener and is formed to have a predetermined length inclined downwardly toward the rear in the front-rear positive direction and has a straight bar shape, and extends from the rear end of the first body to the inside. a second body that is bent to a predetermined length and inclined downwardly toward the rear at the same angle as the first body and has a straight bar shape; and a second body that is bent at the rear end of the second body at the same angle as the second body. It is configured to include a third body that is inclined downward toward the rear of the furnace and has a predetermined length and has a straight bar shape,
The second right body frame is formed to extend a predetermined length from a rear end of the first right body frame toward the rear in the forward and backward forward directions and has a straight bar shape,
The first left body frame is a first body that extends from the left fastener and is formed to have a predetermined length inclined downwardly toward the rear in the front-rear positive direction and has a straight bar shape, and extends from the rear end of the first body to the inside. a second body that is bent to a predetermined length and inclined downwardly toward the rear at the same angle as the first body and has a straight bar shape; and a second body that is bent at the rear end of the second body at the same angle as the second body. It is configured to include a third body that is inclined downward toward the rear of the furnace and has a predetermined length and has a straight bar shape,
The second left body frame is formed to extend a predetermined length from the rear end of the first left body frame toward the rear in the front-rear positive direction and has a straight bar shape. A rear wheel bracket for an electric two-wheeled vehicle.
According to clause 6,
The bracket connection frame is characterized in that it has a straight bar shape that interconnects the third body of the first right body frame and the inner surface of the lower portion of the third body of the first left body frame in the left and right directions. Rear wheel bracket for electric two-wheeled vehicles.
According to paragraph 1,
The right plate and the left plate are individually provided with a mud guard installation hole for installing the mud guard, a suspension installation hole for installing the suspension, and a rear wheel installation hole for installing the rear wheel. Rear wheel bracket for electric two-wheeled vehicles.
According to paragraph 1,
At least one wire management bracket installed on the lower part of the right frame of the bracket or the left frame of the bracket;
A rear wheel bracket for an electric two-wheeled vehicle, further comprising:
According to paragraph 1,
A rear wheel bracket for an electric two-wheeled vehicle, characterized in that the downward inclination angle of the first right body frame and the first left body frame is the same as the downward inclination angle of the suspension when installed on the rear frame.