Low-longitudinal-beam two-wheel electric vehicle with draw-bar box

Abstract

The utility model discloses a low-longitudinal-beam two-wheel electric vehicle with a draw-bar box. The low-longitudinal-beam two-wheel electric vehicle comprises the draw-bar box and a vehicle body structure. The draw-bar box comprises a box body, a box cover and universal wheels; wherein the box cover is of an offset opening and closing structure; the universal wheels are arranged at the box bottom; the bicycle body structure comprises an electric driving wheel, a driven wheel, a handlebar structure, a low longitudinal beam, a saddle structure and a battery box; the battery box is connected above the low longitudinal beam through a buckle; the side end of the draw-bar box is in screw connection with the battery box body; the saddle structure comprises a saddle and a stand column structure used for being connected with the saddle. Wherein the upright post structure penetrates through the draw-bar box body. The electric vehicle structure can be compactly attached to the outside of the draw-bar box through folding of the handlebar, stretching and retracting of the handlebar structure, use of the folding pedals and stretching and retracting of the saddle, the occupied size is reduced, and carrying is convenient; the electric vehicle can be pushed and pulled to walk, can be ridden instead of walking, is time-saving and labor-saving, and can carry objects to do more things.

Description

Technical Field

[0001] The utility model relates to the technical field of two-wheeled electric vehicles and trolley cases, in particular to a low longitudinal beam two-wheeled electric vehicle with a trolley case. Background Art

[0002] Both suitcases and electric vehicles provide convenient storage and transportation for people's lives. Since people need to drag suitcases over long distances, walking is laborious, so a technology combining suitcases and electric vehicles came into being.

[0003] In the prior art, utility model patent CN202022627294.4 discloses a new type of foldable electric scooter that can be loaded into a trolley case. This patent solves the problem of folding an electric scooter into a trolley case for easy carrying. However, at this time, the trolley case loses or partially loses the storage function for other items, and the practicality of storage in the case is reduced.

[0004] In order to satisfy the functions of riding and transporting goods at the same time, an electric vehicle is designed that is easy to carry with people and vehicles, can be pushed and pulled for walking, can be ridden for transportation to save time and effort, and can also carry goods and do more things. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model provides a low longitudinal beam two-wheeled electric vehicle with a trolley case, comprising a trolley case and a vehicle body structure;

[0006] The trolley case includes a case body, a case cover and universal wheels; wherein the case cover is an offset opening and closing structure; and the universal wheels are arranged at the bottom of the case;

[0007] The vehicle body structure includes an electric driving wheel, a driven wheel, a handlebar structure, a low longitudinal beam, a seat structure and a battery box; the battery box is connected to the top of the low longitudinal beam by a buckle;

[0008] The side end of the trolley case is screwed to the battery box body;

[0009] The vehicle seat structure includes a saddle and a column structure for connecting the saddle; wherein the column structure penetrates the trolley case body;

[0010] Preferably, a front fork sleeve is welded to the front end of the low longitudinal beam, and a horizontal rear fork is welded to the rear end; wherein, a front fork stem is sleeved in the front fork sleeve, and an extended portion of the front fork stem is sleeved in the handlebar stem sleeve and fixed by a through nail; the handlebar stem sleeve is a bent tubular structure, the bottom of which is coaxial with the front fork stem and the top of which is a vertical structure; the handlebar structure is inserted in the handlebar stem sleeve, can be moved up and down to adjust the height and is fixed by a first spring pin; the horizontal rear fork is connected to the electric drive wheel; the bottom end of the front fork stem is a fork structure and is connected to the driven wheel.

[0011] Preferably, an angle steel structure is welded between the low longitudinal beam and the front fork sleeve, and folding foot pedals are provided at both ends of the angle steel; the folding foot pedals are put down when riding, and are folded up when not riding, so as to increase riding comfort.

[0012] Preferably, the handlebar structure includes a handlebar crossbar, handles are hinged at both ends of the handlebar crossbar, and sliding sleeves are sleeved at the hinges; the sliding sleeves can slide on the handlebar crossbar and the handles; the handlebars can be folded up for easy carrying, pushing and pulling.

[0013] Preferably, the column structure includes a riser and a sleeve; wherein, one end of the riser is connected to the saddle via a U-shaped buckle, and the other end is inserted into the sleeve and positioned by a second spring pin; the sleeve is welded to the horizontal rear fork; and the saddle height can be adjusted automatically to increase riding comfort.

[0014] Preferably, a compartment door is provided on the side of the battery box, and the bottom of the battery box is connected to the low longitudinal beam with U-shaped screws; the compartment door is convenient for maintenance and replacement of batteries.

[0015] Preferably, the universal wheel base is a flat bottom corner structure, and the base is screwed to the bottom of the suitcase; the flat bottom corner structure has strong bearing capacity and long service life.

[0016] The utility model can compactly fit the electric vehicle structure outside the trolley case through the folding of the handlebar, the extension and retraction of the handlebar structure, the use of the folding pedals and the extension and retraction of the saddle, thereby reducing the occupied volume and making it convenient to carry.

[0017] The utility model retains the storage function of the trolley case and organically integrates the passenger-carrying function of the electric vehicle, thereby realizing applicability in different occasions and realizing an electric vehicle that can be pushed and pulled for walking, and can also be ridden for traveling to save time and labor, and can also carry goods and do more things. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in riding state;

[0019] Figure 2 It is a partially cutaway three-dimensional schematic diagram of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the storage push-pull state of the utility model after folding.

[0021] In the figure: 1-trolley case; 11-case body; 12-case cover; 13-universal wheel; 2-body structure; 21-electric drive wheel; 22-driven wheel; 23-handlebar structure; 231-handlebar crossbar; 232-handlebar; 233-sliding sleeve; 24-low longitudinal beam; 241-front fork sleeve; 242-horizontal rear fork; 243-front fork riser; 244-first spring pin; 245-handlebar riser sleeve; 25-seat structure; 251-saddle; 252-rise tube; 253-sleeve; 254-second spring pin; 26-battery box; 261-cabin door; 4-folding pedal. DETAILED DESCRIPTION

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0023] See also Figure 1-Figure 2 A low longitudinal beam two-wheeled electric vehicle with a trolley case, comprising a trolley case 1 and a body structure 2; the trolley case 1 comprises a 26-inch case body 11, a case cover 12 and a universal wheel 13; wherein the case cover 12 is an offset opening and closing structure; the universal wheel 13 is placed at the bottom of the case; the body structure 2 comprises a 5-inch electric driving wheel 21, a 5-inch driven wheel 22, a handlebar structure 23, a low longitudinal beam 24 with a wheelbase of 60 cm, a seat structure 25 and a battery box 26; the battery box 26 is connected to the top of the low longitudinal beam 24 by a buckle; the side end of the trolley case 1 is screwed to the body of the battery box 26;

[0024] The seat structure 25 includes a saddle 251 and a column structure for connecting the saddle 251; wherein the column structure penetrates the box body 11 of the trolley case 1;

[0025] A front fork sleeve 241 is welded to the front end of the low longitudinal beam 24, and a horizontal rear fork 242 is welded to the rear end; wherein, a front fork stem 243 is sleeved in the front fork sleeve 241, and an extended portion of the front fork stem 243 is sleeved in a handlebar stem sleeve 245 and fixed by a through nail; the handlebar stem sleeve 245 is a bent tubular structure, the bottom of which is coaxial with the front fork stem 243 and the top of which is a vertical structure; the handlebar structure 23 is inserted in the handlebar stem sleeve 245, can be moved up and down to adjust the height and is fixed by a first spring pin 244; the horizontal rear fork 242 is connected to the electric drive wheel 21; the bottom end of the front fork stem 243 is a fork structure and is connected to the driven wheel 22.

[0026] The handlebar stem sleeve 245 is designed as a bent structure including a vertical portion and a bent portion. The vertical portion allows the stem in the handlebar structure 23 to drop vertically and be parallel to the suitcase, and fits tightly with the suitcase after folding; the bent portion allows the front fork stem 243 to be not perpendicular to the ground, which can increase the stability of two-wheel riding.

[0027] An angle steel structure is welded between the low longitudinal beam 24 and the front fork sleeve 241, and folding footrests 4 are arranged at both ends of the angle steel; the folding footrests 4 are put down when riding, and are folded up when not riding, so as to increase riding comfort.

[0028] The handlebar structure 23 includes a handlebar crossbar 231, and handles 232 are hinged at both ends of the handlebar crossbar 231, and a sliding sleeve 233 is sleeved at the hinge; the sliding sleeve 233 can slide on the handlebar crossbar 231 and the handle 232; the handlebar is folded up for easy carrying, pushing and pulling.

[0029] The column structure includes a stand pipe 252 and a sleeve 253; wherein, one end of the stand pipe 252 is connected to the saddle 251 through a U-shaped buckle, and the other end is inserted into the sleeve 253 and positioned by a second spring pin 254; the sleeve 253 is welded to the horizontal rear fork 242; the saddle height can be adjusted automatically to increase riding comfort.

[0030] A door 261 is provided on the side of the battery box 26, and the bottom of the battery box 26 is connected to the low longitudinal beam 24 by U-shaped screws; the door is convenient for maintenance and replacement of batteries.

[0031] The base of the universal wheel 13 is a flat bottom corner structure, and its base is connected to the bottom of the trolley case 1 with screws; the four flat bottom corner structures have strong bearing capacity for the case body, are wear-resistant, and have a long service life.

[0032] See also Figure 3 When used for storage, the handlebar structure 23 can be lowered to the lowest position, the handlebar 232 can be folded up, the foldable pedals 4 can be folded up, and the saddle can be retracted to the surface of the box body; at this time, it can only be used as a trolley case, which can be used for storage, can be pushed and pulled, and is suitable for short distances or going up and down stairs;

[0033] See also Figure 1 When riding is required, the handlebar structure 23 is adjusted to the desired position, the folding pedal 4 is unfolded, the height of the saddle 251 is adjusted, the electric control is started, and riding is started.

[0034] In summary: the utility model has strong practicality. On the premise of ensuring the storage function, it can be used for long-distance road riding and can also be pushed and pulled after being folded.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low longitudinal beam two-wheeled electric vehicle with a trolley case, comprising a trolley case (1) and a vehicle body structure (2), characterized in that: The trolley case (1) comprises a case body (11), a case cover (12) and universal wheels (13); wherein the case cover (12) is an offset opening and closing structure; and the universal wheels (13) are arranged at the bottom of the case; The vehicle body structure (2) comprises an electric drive wheel (21), a driven wheel (22), a handlebar structure (23), a low longitudinal beam (24), a seat structure (25) and a battery box (26); the battery box (26) is connected to the top of the low longitudinal beam (24) via a buckle; The side end of the trolley case (1) is screw-connected to the body of the battery box (26); The vehicle seat structure (25) comprises a saddle (251) and a column structure for connecting the saddle (251); wherein the column structure passes through the box body (11) of the trolley case (1).

2. A low longitudinal beam two-wheeled electric vehicle with a trolley case as claimed in claim 1, characterized in that: The front end of the low longitudinal beam (24) is welded with a front fork sleeve (241), and the rear end is welded with a horizontal rear fork (242); wherein a front fork riser (243) is sleeved inside the front fork sleeve (241), and an extended portion of the front fork riser (243) is sleeved inside a handlebar riser sleeve (245) and fixed by a through nail; the handlebar riser sleeve (245) is a bent tubular structure, the bottom of which is coaxial with the front fork riser (243), and the top of which is a vertical structure; the handlebar structure (23) is inserted into the handlebar riser sleeve (245), can be moved up and down to adjust the height, and is fixed by a first spring pin (244); the horizontal rear fork (242) is connected to the electric drive wheel (21); the bottom end of the front fork riser (243) is a fork structure and is connected to the driven wheel (22).

3. A two-wheeled electric vehicle with a low longitudinal beam and a trolley case as claimed in claim 2, characterized in that: An angle steel structure is welded between the low longitudinal beam (24) and the front fork sleeve (241), and folding pedals (4) are provided at both ends of the angle steel.

4. A low longitudinal beam two-wheeled electric vehicle with a trolley case as claimed in claim 2, characterized in that: The handlebar structure (23) comprises a handlebar crossbar (231), with handles (232) hinged at both ends of the handlebar crossbar (231), and a sliding sleeve (233) sleeved at the hinged position; the sliding sleeve (233) can slide on the handlebar crossbar (231) and the handle (232).

5. A low longitudinal beam two-wheeled electric vehicle with a trolley case as claimed in claim 2, characterized in that: The column structure comprises a stand pipe (252) and a sleeve (253); wherein one end of the stand pipe (252) is connected to the saddle (251) via a U-shaped buckle, and the other end is inserted into the sleeve (253) and positioned by a second spring pin (254); and the sleeve (253) is welded to the horizontal rear fork (242).

6. A two-wheeled electric vehicle with a low longitudinal beam and a trolley case as claimed in any one of claims 1 to 5, characterized in that: A compartment door (261) is provided on the side of the battery box (26), and the bottom of the battery box (26) is connected to the low longitudinal beam (24) by means of U-shaped clamping screws.

7. A low longitudinal beam two-wheeled electric vehicle with a trolley case as claimed in any one of claims 1 to 5, characterized in that: The base of the universal wheel (13) is a flat bottom corner structure, which is screw-connected to the bottom of the trolley case (1).

Images