Electric draw-bar box

By setting four casters at the bottom of the electric trolley case, especially the electric casters on the rear, the problems of unstable movement and insufficient driving force are solved, and a more stable user experience and higher load-bearing capacity are achieved.

CN223275052UActive Publication Date: 2025-08-29JIAXING DAYUAN BAG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422667888.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-02
Publication Date
2025-08-29
Estimated Expiration
2034-11-02

AI Technical Summary

Technical Problem

Existing electric trolley boxes are prone to problems such as unstable and insufficient driving force during movement, especially when carrying people, where there is a risk of tilting or overturning.

Method used

Four casters are arranged at the bottom of the electric trolley case, the two on the front side are rolling casters and the two on the rear side are electric casters, which enhances balance and power and ensures the user's stability and load-bearing capacity when riding.

Benefits of technology

Provides better balance and power, reduces the risk of tilting or overturning, and improves user experience, especially for heavy loads.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223275052U_ABST
    Figure CN223275052U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric draw-bar box which comprises a box body, a front trundle mechanism is arranged at the bottom of the front side of the box body, the front trundle mechanism comprises a first fixing plate fixedly connected with the box body, the first fixing plate is fixedly connected with a first trundle frame, and the two ends of the first trundle frame penetrate through rolling trundles respectively and are fixedly connected with a foot bar support. The rolling trundle is rotationally connected with the first trundle frame; the foot lever bracket is rotationally connected with a foot lever through a rotating shaft; a rear trundle mechanism is arranged at the bottom of the rear side of the box body, the rear trundle mechanism comprises a second fixing plate fixedly connected with the box body, the second fixing plate is fixedly connected with a second trundle frame, and the two ends of the second trundle frame are rotationally connected with electric trundles respectively. According to the draw-bar box, the four trundles are arranged at the bottom of the box body, so that a user is more stable when riding on the draw-bar box, and the risk of inclination or turnover is reduced; meanwhile, the two trundles located on the rear side are electric trundles, more power can be provided, heavy users can be borne, and practicability is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to an electric trolley case. Background Art

[0002] In daily life, we use trolley cases to carry our belongings when traveling or on business trips. The old trolley cases are slow because they are dragged forward by a trolley, and they are time-consuming and labor-intensive to pull. When we travel with heavy luggage, we are physically and mentally exhausted, and we still have to pull the heavy case, which is very inconvenient. Some manufacturers have developed electric trolley cases that can carry people. When using them, the user can ride on top of the suitcase, and then use the power of the motor to drive the trolley case to move, which not only saves the user's physical strength, but also facilitates the user's rest.

[0003] The application number is CN202320209880.8, and the patent name is a manned electric trolley case, which includes a case body and a handle unit; the case body: the rear end of its lower surface is symmetrically provided with a support shaft, and the outer arc surface of the support shaft is rotatably connected to the wheel body through a bearing, the front end of the lower side wall of the case body is provided with a battery, the rear side of the upper end of the case body is slidably connected to the pull rod, and the lower side of the front end of the case body is rotatably connected to the support frame through a bearing, the lower end of the support frame is installed with a hub motor, and the upper end of the support frame is provided with a sliding tube, and the outer arc surface of the sliding tube is provided with evenly distributed jacks; the handle unit is arranged and connected to the inside of the sliding tube, and the jacks are all arranged in conjunction with the handle unit; wherein: it also includes a driver, the driver is arranged at the front end of the inside of the case body, and the input end of the driver is electrically connected to the output end of the battery. The height of the handle of this manned electric trolley case can be adjusted according to the needs of use, the adjustment is convenient, the use is convenient, and the comfort of the rider is improved.

[0004] Although the above patent can move the trolley case by driving it through a driver, the patent only has three casters, which may cause instability during movement; and the driver only controls the operation of the hub motor at the front end, and when the hub motor drives the case to move, it may easily cause insufficient driving force.

[0005] Based on the above situation, the utility model proposes an electric trolley case, which can effectively solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide an electric trolley case. The electric trolley case provided by this utility model has four casters at the bottom of the case, which can provide better balance, making it more stable for users to ride on top of the trolley case and reducing the risk of tilting or tipping. At the same time, the two casters at the rear are electric casters, which can provide more power and support heavier users, thereby increasing practicality.

[0007] The utility model is achieved through the following technical solutions:

[0008] The cam is secured to the bottom of the box body and has a cam portion for securing the cam portion to the side panel that is provided with the support means. The cam portion is secured to the bottom of the box body and is provided with a cam portion for securing the cam portion to the side panel that is provided with the support means.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, a bottom bag is provided at the inner bottom of the box, a wiring harness is provided inside the bottom bag, and a through hole is opened at the rear bottom of the box; the wiring harness passes through the through hole and is electrically connected to the electric caster.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, a mesh bag is provided on the inner side wall of the box door.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, the handle is embedded with a pull-out button.

[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, a groove body that is adapted to the shape of the handle is opened on the top of the box body.

[0013] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0014] The utility model provides an electric trolley case, which can provide better balance by arranging four casters at the bottom of the case, so that users can ride more steadily on the trolley case and reduce the risk of tilting or overturning; at the same time, the two casters located on the rear side are electric casters, which can provide more power and carry heavier users, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the structure of a bottomless bag;

[0018] Figure 4 for Figure 2 Schematic diagram of the structure from another angle. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific embodiments. However, it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting this patent. To better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the dimensions of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and are not to be construed as limiting this patent.

[0020] The trolley case is provided with an electric trolley body 1, and a door 2 is provided on both sides of the trolley body 1; the trolley body 1 and the door 2 are opened or closed by a zipper 3; a telescopic rod 4 is provided on one side of the top of the trolley body 1, and the top end of the telescopic rod 4 is fixedly connected to a handle 5; a front caster mechanism 6 is provided at the bottom of the front side of the trolley body 1, and the front caster mechanism 6 includes a first fixed plate 61 fixedly connected to the trolley body 1, the first fixed plate 61 is fixedly connected to a first caster frame 62, the two ends of the first caster frame 62 respectively pass through rolling casters 63 and are fixedly connected to a pedal bracket 64, and the rolling caster 63 is rotatably connected to the first caster frame 62; the pedal bracket 64 is rotatably connected to a pedal rod 66 through a rotating shaft 65; a rear caster mechanism 7 is provided at the bottom of the rear side of the trolley body 1, and the rear caster mechanism 7 includes a second fixed plate 71 fixedly connected to the trolley body 1, the second fixed plate 71 is fixedly connected to a second caster frame 72, and the two ends of the second caster frame 72 are rotatably connected to electric casters 73.

[0021] The present invention provides better balance by arranging four casters at the bottom of the box body 1, so that the user can ride more steadily on the trolley case and reduce the risk of tilting or tipping; at the same time, the two casters located on the rear side are electric casters 73, which can provide more power and carry heavier users, thereby increasing practicality.

[0022] Furthermore, in another embodiment, a bottom bag 8 is provided at the inner bottom of the box body 1, a wiring harness 9 is provided inside the bottom bag 8, and a through hole 10 is opened at the rear bottom of the box body 1; the wiring harness 9 passes through the through hole 10 and is electrically connected to the electric caster 73.

[0023] By providing the bottom bag 8 , the wiring harness 8 can be placed in the bottom bag 8 to prevent clothing from affecting the connection of the wiring harness 8 .

[0024] Furthermore, in another embodiment, a mesh bag 11 is provided on the inner side wall of the door 2 .

[0025] By providing the mesh bag 11, it is convenient for the user to place sundries and a power bank that provides power to the electric caster 73. By placing the power bank in the mesh bag 11, when the power bank is out of power, it is convenient to take it out of the mesh bag 11, which increases convenience.

[0026] Furthermore, in another embodiment, the handle 5 is embedded with a withdrawal button 12 .

[0027] By providing the extraction button 12, it is convenient to operate the telescopic rod and the handle, and the user can easily control the extension and retraction of the telescopic rod.

[0028] Furthermore, in another embodiment, a groove 13 matching the shape of the handle 5 is formed on the top of the box body 1 .

[0029] By providing the groove body 13 , when the telescopic rod 4 is retracted, the handle 5 can be completely embedded in the groove body, thereby improving the overall aesthetics.

[0030] According to the description and drawings of the present invention, those skilled in the art can easily manufacture or use the electric trolley case of the present invention, and can produce the positive effects described in the present invention.

[0031] Unless otherwise specified, in this utility model, if there are terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicating orientation or positional relationships, they are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationships in this utility model are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, they can understand the specific meanings of the above terms in conjunction with the accompanying drawings and according to specific circumstances.

[0032] Unless otherwise specified or limited, the terms "disposed," "connected," and "connected" in this utility model should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention falls within the scope of protection of the present invention.

Claims

1. An electric trolley case, characterized by: The utility model comprises a box body (1), wherein both sides of the box body (1) are respectively provided with box doors (2); the box body (1) and the box door (2) are opened or closed by a zipper (3); a telescopic rod (4) is provided on one side of the top of the box body (1), and the top end of the telescopic rod (4) is fixedly connected to a handle (5); a front caster mechanism (6) is provided at the bottom of the front side of the box body (1), and the front caster mechanism (6) comprises a first fixing plate (61) fixedly connected to the box body (1), the first fixing plate (61) is fixedly connected to a first caster frame (62), and the first caster frame (62) has two ends fixed to the first caster frame (62). The ends of the two wheels respectively pass through rolling casters (63) and are fixedly connected to the pedal bracket (64), and the rolling casters (63) are rotatably connected to the first caster bracket (62); the pedal bracket (64) is rotatably connected to the pedal rod (66) through a rotating shaft (65); a rear caster mechanism (7) is provided at the rear bottom of the box body (1), and the rear caster mechanism (7) includes a second fixed plate (71) fixedly connected to the box body (1), the second fixed plate (71) is fixedly connected to the second caster bracket (72), and the two ends of the second caster bracket (72) are rotatably connected to the electric casters (73).

2. The electric trolley case according to claim 1, characterized in that: A bottom bag (8) is provided at the inner bottom of the box (1), a wiring harness (9) is provided inside the bottom bag (8), and a through hole (10) is provided at the rear bottom of the box (1); the wiring harness (9) passes through the through hole (10) and is electrically connected to the electric caster (73).

3. The electric trolley case according to claim 1, characterized in that: The inner side wall of the box door (2) is provided with a mesh bag (11).

4. The electric trolley case according to claim 1, characterized in that: The handle (5) is embedded with a withdrawal button (12).

5. The electric trolley case according to claim 1, characterized in that: The top of the box body (1) is provided with a groove body (13) that matches the shape of the handle (5).

Citation Information

Patent Citations

  • Manned electric draw-bar box

    CN219845383U