An electrically powered luggage case

Abstract

The application relates to the technical field of suitcases, in particular to an electric suitcase, which comprises a box body, a steering rod telescopically arranged on the box body, a telescopic part used for controlling the telescoping of the steering rod relative to the box body, a containing groove arranged on the box body, the telescopic part and the steering rod being arranged in the containing groove, the telescopic part comprising a first folding plate rotatably arranged on the box body, a second folding plate rotatably arranged on the steering rod, and a push rod motor located between the first folding plate and the second folding plate, the first folding plate and the second folding plate being hingedly connected with each other, one end of the push rod motor being rotatably connected with the second folding plate, the other end of the push rod motor being rotatably connected with the box body, a limiting rod being rotatably arranged on the steering rod, and the end of the limiting rod being slidably arranged on the second folding plate.

Description

Technical Field

[0001] This application relates to the field of luggage technology, and in particular to an electric luggage. Background Technology

[0002] With the rapid development of technology, electric suitcases are gradually becoming a new favorite among travelers. Electric suitcases are traditional suitcases with built-in electric drive systems. They can be controlled by a handle or mobile phone to move forward, backward, and turn. When used in large places such as airports and train stations, they can greatly reduce the burden of pulling luggage, and are especially suitable for long-distance travel or carrying a lot of items.

[0003] Currently, the swivel levers of electric luggage all use a screw motor transmission mechanism for extension and retraction. This mechanism is not only heavy, but also requires a large amount of lubricating oil to ensure the stability of the screw, slider, and other transmission mechanisms. This makes the maintenance and cleaning of electric luggage extremely inconvenient. In addition, because airplanes have size requirements for passenger luggage, the external swivel lever increases the size of the luggage, while the internal screw motor transmission mechanism reduces the internal storage space, thus affecting the user experience.

[0004] To address the aforementioned technical problems, Chinese patent document CN118948023A discloses a folding frame, a suitcase, and a trolley, including a folding frame body. The folding frame body includes a back panel, a connecting beam, and a handrail. One end of the connecting beam is hinged to the side wall of the back panel, and the other end of the connecting beam is horizontally hinged to a wheel frame with electric rollers mounted on it. This patent's folding frame body has two states: folded and unfolded. The folding frame body can be used in conjunction with either the suitcase body or the trolley body. When the folding frame body is folded, the suitcase body or the trolley body can be used as a suitcase or a trolley, respectively. When the folding frame body is unfolded, it can be used as a scooter in conjunction with either the suitcase body or the trolley body. While the folding frame body of the aforementioned patent is embedded within the suitcase body, reducing the overall volume of the suitcase, the switching between the folded and unfolded states is difficult, requiring frequent manual operation and affecting efficiency.

[0005] Therefore, it is necessary to provide an electric suitcase that reduces the overall volume of the suitcase, increases the size of the internal storage cavity, improves the smoothness of the telescopic mechanism, reduces manual operation, realizes automated control, and ensures ease of use and stability. Utility Model Content

[0006] The purpose of this application is to provide an electric luggage box to solve the technical problems of large size, poor smoothness of use and low degree of automation of the steering rod telescopic mechanism of existing electric luggage boxes.

[0007] The technical solution adopted by this application to solve its technical problem is: an electric suitcase, including a suitcase body, a retractable steering rod disposed on the suitcase body, and a telescopic part for controlling the extension and retraction of the steering rod relative to the suitcase body. The suitcase body is provided with a receiving groove, and the telescopic part and the steering rod are disposed in the receiving groove. The telescopic part includes a first folding plate rotatably disposed on the suitcase body, a second folding plate rotatably disposed on the steering rod, and a push rod motor located between the first folding plate and the second folding plate. The first folding plate and the second folding plate are hinged to each other. One end of the push rod motor is rotatably connected to the second folding plate, and the other end of the push rod motor is rotatably connected to the suitcase body. A limiting rod is rotatably provided on the steering rod, and the end of the limiting rod is slidably disposed on the second folding plate.

[0008] Furthermore, the second folding plate is also provided with a pushing part, one end of the push rod motor is hinged to the pushing part, and the end of the push rod motor and the hinge of the pushing part are provided with a rotating shaft, and the push rod motor and the pushing part rotate around the axis of the rotating shaft.

[0009] Furthermore, a pin is provided at the hinge of the first folding plate and the second folding plate, and the first folding plate and the second folding plate rotate around the axis of the pin respectively.

[0010] Furthermore, the rotating shaft is plugged into the push-off part, the rotating shaft is located on the outer side of the pin, and the axis height of the rotating shaft is always lower than the axis height of the pin, and the axis of the rotating shaft and the axis of the pin are parallel to each other.

[0011] Furthermore, there are two push rod motors, both of which are hinged at the push-off part. One end of the rotating shaft passes through the end of one push rod motor, and the other end of the rotating shaft passes through the end of the other push rod motor.

[0012] Furthermore, the first folding plate has a first abutting surface on one end face near the pin, and the second folding plate has a second abutting surface on one end face near the pin. The first abutting surface and the second abutting surface can abut against each other, and the surfaces of the first abutting surface and the second abutting surface are irregular in shape and are adapted to each other.

[0013] Furthermore, the steering rod is provided with a first connecting part and a second connecting part, the first connecting part is located above the second connecting part, the end of the second folding plate is hinged to the first connecting part, and the limiting rod is rotatably disposed on the second connecting part.

[0014] Furthermore, the second folding plate is provided with a limiting groove, which penetrates the wall of the second folding plate. A sliding rod is slidably provided in the limiting groove, which passes through the limiting rod, and the end of the limiting rod can rotate around the axis of the sliding rod.

[0015] Furthermore, the limiting groove is arc-shaped, with one end of the limiting groove being an unfolding limiting part and the other end being a folding limiting part. The sliding rod is slidably disposed between the unfolding limiting part and the folding limiting part. In the retracted state, the sliding rod is located inside the folding limiting part, and in the riding state, the sliding rod is located inside the unfolding limiting part.

[0016] The beneficial effects of this application are as follows: The telescopic part of the electric suitcase is designed as a first folding plate and a second folding plate that can be folded together. The telescopic part is integrally embedded in the outside of the suitcase body, reducing the occupation of the internal storage cavity, limiting the size of the suitcase's outer contour, and improving the space utilization rate of the suitcase. This application allows direct operation of the push rod motor via a mobile app or switch, enabling rapid opening and closing of the first and second folding plates, greatly improving operational convenience and automation. A limiting rod is used to improve the stability of the hinge connection between the second folding plate and the steering rod in various states. This allows for automatic and stable extension and retraction of the steering rod under the push of the telescopic part when switching states of the electric suitcase, without manual intervention, achieving automated switching, improving switching efficiency, and ensuring operational stability. Attached Figure Description

[0017] Figure 1 This is a perspective view of the electric suitcase described in this application.

[0018] Figure 2 This is the front view of the electric suitcase of this application.

[0019] Figure 3 This is a perspective view of the electric suitcase of this application (case body omitted).

[0020] Figure 4 yes Figure 3 The left view.

[0021] Figure 5 This is a perspective view of the electric luggage box of this application (in riding mode).

[0022] Figure 6 yes Figure 5 A three-dimensional view (box body omitted).

[0023] Figure 7 yes Figure 5 The left view.

[0024] Figure 8 yes Figure 3 A magnified view of part A in the middle.

[0025] Figure 9 yes Figure 3 A magnified view of part B in the middle.

[0026] Figure 10 yes Figure 4 A magnified view of part C in the middle.

[0027] Figure 11 yes Figure 7 A magnified view of part E in the middle.

[0028] Figure 12 yes Figure 4 A magnified view of part D in the middle.

[0029] Figure 13 yes Figure 7 A magnified view of part F in the middle.

[0030] Figure 14 This is a perspective view of an electric luggage box in another embodiment.

[0031] The components in the attached diagram are labeled as follows: 10, housing; 11, receiving slot; 12, fixed housing; 13, battery; 121, first fixed shaft; 122, second fixed shaft; 20, telescopic part; 21, first folding plate; 22, second folding plate; 23, push rod motor; 231, fixed part; 232, sliding part; 24, pin; 25, pushing part; 26, rotating shaft; 27, first abutting surface; 28, second abutting surface; 29, limiting groove; 30, steering rod; 31, first connecting part; 32, second connecting part; 33, limiting rod; 34, sliding rod. Detailed Implementation

[0032] The present application will now be described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present application, and therefore only show the components relevant to the present application.

[0033] Please see Figure 1 , Figure 5 This application provides an electric suitcase, including a suitcase body 10, a steering rod 30 that can be extended and retracted on the suitcase body 10, and a telescopic part 20 for controlling the extension and retraction of the steering rod 30 relative to the suitcase body 10.

[0034] When in use, the electric luggage compartment is in the retracted state (see...). Figure 1 The telescopic part 20 is controlled by a switch or mobile app, causing the steering rod 30 to extend forward relative to the box body 10, thereby putting the electric luggage box into a riding state (see...). Figure 5 ).

[0035] Further, please see Figures 2-4 , Figure 6 , Figure 7The housing 10 is provided with a receiving groove 11. In the retracted state, the telescopic part 20 and the steering rod 30 are located in the receiving groove 11. The housing 10 is provided with a fixed housing 12 at the bottom of the receiving groove 11. One end of the telescopic part 20 is rotatably mounted on the housing 10, and the other end of the telescopic part 20 is rotatably mounted on the steering rod 30.

[0036] In this embodiment, the inner contour of the receiving groove 11 is adapted to the outer contour of the telescopic part 20 and the steering rod 30. When the electric suitcase is in the retracted state, the side of the steering rod 30 away from the suitcase body 10 is located inside the receiving groove 11, so that the steering rod 30 is embedded in the receiving groove 11 as a whole. In this way, the side of the suitcase body 10 has no protruding part when it is retracted. Thus, while ensuring the size of the internal storage cavity of the suitcase body 10, the size of the outer contour of the electric suitcase is limited to the greatest extent, so that the size specifications of the electric suitcase meet aviation regulations.

[0037] Furthermore, the telescopic part 20 includes a first folding plate 21 rotatably disposed on the fixed housing 12, a second folding plate 22 rotatably disposed on the steering rod 30, and a push rod motor 23 located between the first folding plate 21 and the second folding plate 22.

[0038] Specifically, the first folding plate 21 and the second folding plate 22 are hinged together as a single unit. A pin 24 is provided at the hinge point of the first folding plate 21 and the second folding plate 22. The first folding plate 21 and the second folding plate 22 rotate around the axis of the pin 24 respectively. A push rod motor 23 is disposed between the first folding plate 21 and the second folding plate 22 to control the relative rotation of the first folding plate 21 and the second folding plate 22 around the pin 24.

[0039] The push rod motor 23 includes a fixed part 231 and a sliding part 232. When the push rod motor 23 is working, the sliding part 232 is electrically extended and retracted relative to the fixed part 231. The fixed part 231 is rotatably connected to the fixed housing 12, and the sliding part 232 is rotatably connected to the second folding plate 22.

[0040] The second folding plate 22 is also provided with a pushing part 25. The sliding part 232 of the push rod motor 23 is hinged to the pushing part 25. A rotating shaft 26 is provided at the hinge of the sliding part 232 and the pushing part 25. The sliding part 232 and the pushing part 25 rotate around the axis of the rotating shaft 26.

[0041] When in use, the push rod motor 23 is started, the sliding part 232 pushes against the pushing part 25, thereby driving the second folding plate 22 to rotate around the pin 24. The ends of the first folding plate 21 and the second folding plate 22 away from the pin 24 move away from each other, and the steering rod 30 is pushed out from the box 10, so that the electric luggage box is in riding mode.

[0042] In this application, the telescopic part 20 is designed as a first folding plate 21 and a second folding plate 22 that can be folded together. The telescopic part 20 is located outside the box body 10 and is isolated from the storage cavity inside the box body 10 by the receiving groove 11, thereby reducing the occupation of the storage cavity inside the box body 10. The telescopic part 20 and the steering rod 30 are retractably arranged on the side of the box body 10 and are embedded in the receiving groove 11, thereby reducing the size of the outer contour of the box body 10 and improving the space utilization of the suitcase.

[0043] Compared to the commonly used electric push rods installed inside the housing 10 in existing technologies, this application greatly simplifies the structure of the telescopic part 20. The first folding plate 21 and the second folding plate 22 can be quickly opened and closed via the electrically controlled push rod motor 23. Furthermore, the push rod motor 23 can be directly controlled via a mobile app or a switch, greatly improving ease of operation and automation. All components of the telescopic part 20 are located on the outside of the housing 10, facilitating cleaning and maintenance.

[0044] In this embodiment, the telescopic part 20 is disposed on the wider side of the suitcase 10, and the two driven wheels on the suitcase 10 are also located on the wider side, thereby increasing the wheelbase between the two driven wheels and thus improving the stability of the suitcase. At the same time, the extended first folding plate 21 and second folding plate 22 facilitate user stepping and improve user comfort.

[0045] In other embodiments, please refer to Figure 14 The telescopic part 20 can also be installed on the narrower side of the housing 10. In this case, when the user straddles the housing 10, the wider side faces the user's legs, making the riding posture more comfortable. In the riding state, the wheelbase between the two driven wheels on the housing 10 and the drive wheel on the steering rod 30 is longer, improving handling performance.

[0046] Please see Figure 10 , Figure 11 The rotating shaft 26 is plugged into the push part 25. The rotating shaft 26 is located on the outer side of the pin 24, and the axis height of the rotating shaft 26 is always lower than the axis height of the pin 24. The axis of the rotating shaft 26 and the axis of the pin 24 are parallel to each other.

[0047] Please refer to it again. Figure 10 and Figure 11The axis of the pivot 26 and the axis of the pin 24 are spaced X apart in the horizontal direction, where X > 0; the axis of the pivot 26 and the axis of the pin 24 are spaced Y apart in the vertical direction, where Y > 0; the pivot 26 is located below the outer side of the pin 24, whether the electric luggage box is in the retracted or riding state, to ensure smooth operation. Specifically, when the electric luggage box changes from the retracted state to the riding state (see... Figure 10 When the sliding part 232 of the push rod motor 23 extends, since the distance X > 0, that is, there is a distance between the direction of the pushing force applied by the push rod motor 23 to the second folding plate 22 and the rotation axis of the second folding plate 22, the second folding plate 22 has a tendency to be pushed outward, thereby enabling the second folding plate 22 to rotate smoothly around the axis of the latch 24, preventing jamming or reverse rotation, and ensuring the stability of use; when the electric luggage box changes from riding state to retracted state (see Figure 11 When the sliding part 232 of the push rod motor 23 retracts, since the distance Y > 0, that is, there is a distance between the direction of the pulling force applied by the push rod motor 23 to the second folding plate 22 and the rotation axis of the second folding plate 22, the second folding plate 22 has a tendency to be pulled inward, thereby enabling the second folding plate 22 to rotate smoothly around the axis of the pin 24, preventing jamming or reversal, and ensuring the stability of use.

[0048] In this embodiment, two push rod motors 23 are provided, and both push rod motors 23 are hinged at the push-off part 25. One end of the rotating shaft 26 passes through the sliding part 232 of one push rod motor 23, and the other end of the rotating shaft 26 passes through the sliding part 232 of the other push rod motor 23. In this way, the same rotating shaft 26 is used as the reference for the rotation of the two push rod motors 23, ensuring the accuracy and synchronization of the rotation. Multiple push rod motors 23 improve the stability of the extension and retraction control of the steering rod 30.

[0049] In this embodiment, the pushing part 25 protrudes outward from the side of the second folding plate 22 to prevent interference between the circumferential side of the push rod motor 23 and the second folding plate 22. At the same time, the protruding length of the pushing part 25 is less than the thickness of the second folding plate 22, which restricts the position of the rotating shaft 26 on the pushing part 25 and further prevents the rotating shaft 26 from getting stuck with the pin 24.

[0050] In other embodiments, the pushing part 25 is recessed inward from the side of the second folding plate 22, which further reduces the volume of the telescopic part 20 while avoiding interference between the circumferential side of the push rod motor 23 and the second folding plate 22.

[0051] Please see Figure 9The fixed housing 12 is provided with a first fixed shaft 121 and a second fixed shaft 122. The first folding plate 21 is sleeved on the first fixed shaft 121 and rotates around the axis of the first fixed shaft 121. One end of the push rod motor 23 is sleeved on the second fixed shaft 122 and rotates around the axis of the second fixed shaft 122.

[0052] This application utilizes a single second fixed shaft 122 as the reference for the rotation of multiple push rod motors 23, ensuring the accuracy and synchronization of rotation. Simultaneously, both the first fixed shaft 121 and the second fixed shaft 122 are mounted on the fixed housing 12, ensuring stability in use and ease of installation.

[0053] Please see Figure 8 , Figure 11 The first folding plate 21 has a first abutting surface 27 on one end face near the pin 24, and the second folding plate 22 has a second abutting surface 28 on one end face near the pin 24. The first abutting surface 27 and the second abutting surface 28 can abut against each other. The surfaces of the first abutting surface 27 and the second abutting surface 28 are irregular in shape and are adapted to each other.

[0054] When in use, the first contact surface 27 and the second contact surface 28 abut against each other while riding. The irregular planes of the two surfaces increase the friction of contact and the load-bearing capacity of the upper surfaces of the first folding plate 21 and the second folding plate 22, making it easier for the user to step on the upper surfaces of the first folding plate 21 and the second folding plate 22 while riding.

[0055] Please see Figure 4 , Figure 7 , Figure 9 , Figure 12 , Figure 13 The steering rod 30 has a first connecting part 31 and a second connecting part 32 at its lower part. The first connecting part 31 is located above the second connecting part 32, and a limiting rod 33 is rotatably provided on the second connecting part 32.

[0056] The second folding plate 22 is hinged at one end to the first connecting part 31. The second folding plate 22 is provided with a limiting groove 29, which penetrates the wall of the second folding plate 22. A sliding rod 34 is slidably provided in the limiting groove 29. The sliding rod 34 passes through a limiting rod 33, and the end of the limiting rod 33 can rotate around the axis of the sliding rod 34.

[0057] In this embodiment, the limiting groove 29 extends through the wall of the second folding plate 22 along the length direction of the second folding plate 22, and an opening groove (not shown in the figure) is provided in the thickness direction of the second folding plate 22. The opening groove extends into the limiting groove 29, and the opening groove and the limiting groove 29 are arranged perpendicularly. Thus, the end of the limiting rod 33 is disposed in the opening groove and can be sleeved on the slide rod 34.

[0058] In other embodiments, the end of the limiting rod 33 is sleeved on the end of the slide rod 34, so that the end of the limiting rod 33 can rotate around the axis of the slide rod 34.

[0059] Furthermore, the limiting groove 29 is arc-shaped, with one end of the limiting groove 29 being an unfolding limiting part 291 and the other end being a folding limiting part 292. The sliding rod 34 slides within the limiting groove 29. When the electric luggage is in riding mode, the sliding rod 34 moves into the unfolding limiting part 291 and engages. When the electric luggage is in folded mode, the sliding rod 34 moves into the folding limiting part 292 and engages.

[0060] Based on the force conditions of the electric luggage box in different states, this application sets a limiting rod 33 to ensure the stability of the steering rod 30 during use. In the riding state, the slide rod 34 slides into the unfolding limiting part 291. At this time, the second folding plate 22 is pushed by the push rod motor 23, which applies a forward thrust to the first connecting part 31. Under the influence of its own weight, the steering rod 30 rotates around the axis of the first connecting part 31, and the limiting rod 33 rotates accordingly. As a result, the end of the limiting rod 33 located in the limiting groove 29 is tightly embedded in the unfolding limiting part 291. The limiting groove 29 restricts the up and down movement of the slide rod 34, so that the steering rod 30 cannot rotate freely around the first connecting part 31, thus ensuring stability during use.

[0061] In the folded state, the slide bar 34 is engaged with the folding limiting part 292. At this time, the second folding plate 22 is pulled by the push rod motor 23, which applies a backward pulling force to the first connecting part 31. The limiting rod 33 follows and applies a backward pulling force to the second connecting part 32. The limiting groove 29 restricts the left and right movement of the slide bar 34, thereby preventing the steering rod 30 from extending or retracting relative to the housing 10 and ensuring the stability of the stationary state.

[0062] This application utilizes the linkage structure formed between the limiting rod 33, the steering rod 30, and the second folding plate 22 to greatly improve the stability of the hinge connection between the second folding plate 22 and the steering rod 30 in various states. This allows the steering rod 30 to automatically and stably extend and retract under the push of the telescopic part 20 when switching the state of the electric luggage compartment without manual intervention, achieving automated switching, improving switching efficiency, and ensuring operational stability. Simultaneously, the sliding rod 34 passes through both the limiting rod 33 and the second folding plate 22, ensuring that both the limiting rod 33 and the second folding plate 22 rotate around the axis of the sliding rod 34, thereby improving rotational synchronization.

[0063] Please refer to it again. Figure 1A battery 13 is also provided on the side of the housing 10, located on the side of the housing 10 where the receiving slot 11 is provided. The push rod motor 23 is electrically connected to the battery 13. This improves the utilization rate of the internal storage space of the housing 10.

[0064] In this embodiment, the housing 10 is also equipped with a controller (not shown in the figure), which is electrically connected to the battery 13 and is also connected to a mobile phone signal to realize remote control of the push rod motor 23.

[0065] In this embodiment, the first folding plate 21 and the second folding plate 22 are made of aluminum alloy honeycomb panels to reduce weight and achieve lightweighting.

[0066] The specific operation method of this application is as follows: when the electric luggage is in a folded state, the push rod motor 23 is started, the sliding part 232 pushes against the push part 25, thereby driving the second folding plate 22 to rotate around the pin 24, the ends of the first folding plate 21 and the second folding plate 22 away from the pin 24 move away from each other, and the steering rod 30 is pushed out from the box body 10, so that the electric luggage is in a riding state.

[0067] This application designs the telescopic part 20 of the electric suitcase as a first folding plate 21 and a second folding plate 22 that can be folded together. The telescopic part 20 is integrally embedded in the exterior of the suitcase body 10, reducing the occupation of the internal storage cavity of the suitcase body 10, limiting the size of the outer contour of the suitcase body 10, and improving the space utilization rate of the suitcase. This application allows direct operation of the push rod motor 23 via a mobile APP or switch, enabling rapid opening and closing of the first folding plate 21 and the second folding plate 22, greatly improving operational convenience and automation. A limiting rod 33 is used to improve the stability of the hinge between the second folding plate 22 and the steering rod 30 in various states. This allows the steering rod 30 to automatically and stably extend and retract under the push of the telescopic part 20 when switching states of the electric suitcase, without manual intervention, achieving automated switching, improving switching efficiency, and ensuring operational stability.

[0068] It is understood that this application has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this application. Furthermore, based on the teachings of this application, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this application. Therefore, this application is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this application.

Claims

1. An electric suitcase, comprising a suitcase body, a retractable steering rod mounted on the suitcase body, and a telescopic part for controlling the extension and retraction of the steering rod relative to the suitcase body, characterized in that, The housing is provided with a receiving groove, and the telescopic part and the steering rod are disposed in the receiving groove. The telescopic part includes a first folding plate rotatably disposed on the housing, a second folding plate rotatably disposed on the steering rod, and a push rod motor located between the first folding plate and the second folding plate. The first folding plate and the second folding plate are hinged to each other. One end of the push rod motor is rotatably connected to the second folding plate, and the other end of the push rod motor is rotatably connected to the housing. A limiting rod is rotatably provided on the steering rod, and the end of the limiting rod is slidably disposed on the second folding plate.

2. The electric suitcase according to claim 1, characterized in that, The second folding plate is also provided with a pushing part, one end of the push rod motor is hinged to the pushing part, and the end of the push rod motor and the hinge of the pushing part are provided with a rotating shaft, and the push rod motor and the pushing part rotate around the axis of the rotating shaft.

3. The electric suitcase according to claim 2, characterized in that, A pin is provided at the hinge of the first folding plate and the second folding plate, and the first folding plate and the second folding plate rotate around the axis of the pin.

4. The electric suitcase according to claim 3, characterized in that, The rotating shaft is plugged into the push-off part. The rotating shaft is located on the outer side of the pin, and the axis height of the rotating shaft is always lower than the axis height of the pin. The axis of the rotating shaft and the axis of the pin are parallel to each other.

5. The electric suitcase according to claim 2, characterized in that, There are two push rod motors, both of which are hinged at the push-off part. One end of the rotating shaft passes through the end of one push rod motor, and the other end of the rotating shaft passes through the end of the other push rod motor.

6. The electric suitcase according to claim 3, characterized in that, The first folding plate has a first abutting surface on one end face near the pin, and the second folding plate has a second abutting surface on one end face near the pin. The first abutting surface and the second abutting surface can abut against each other. The surfaces of the first abutting surface and the second abutting surface are irregular in shape and are adapted to each other.

7. The electric suitcase according to claim 1, characterized in that, The steering rod is provided with a first connecting part and a second connecting part. The first connecting part is located above the second connecting part. The end of the second folding plate is hinged to the first connecting part. The limiting rod is rotatably disposed on the second connecting part.

8. The electric suitcase according to claim 7, characterized in that, The second folding plate is provided with a limiting groove, which penetrates the wall of the second folding plate. A sliding rod is slidably provided in the limiting groove, which passes through the limiting rod. The end of the limiting rod can rotate around the axis of the sliding rod.

9. The electric suitcase according to claim 8, characterized in that, The limiting groove is arc-shaped, with one end being an unfolding limiting part and the other end being a folding limiting part. The sliding rod is slidably disposed between the unfolding limiting part and the folding limiting part. In the retracted state, the sliding rod is located inside the folding limiting part, and in the riding state, the sliding rod is located inside the unfolding limiting part.

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