Electric running luggage case

Abstract

The utility model discloses an electric driving luggage case which comprises a case body, a steering mechanism, an assembly part, a stretching assembly and an electric push rod, and the case body comprises a top wall for riding, a front wall and rear wheels arranged at the bottom of the case body; the steering mechanism is used for controlling front-wheel steering; the stretching assembly comprises a first stretching rod and a second stretching rod, the middle of the first stretching rod is hinged to the middle of the second stretching rod, the first end of the first stretching rod is hinged to the assembly part, a first roller is arranged at the second end of the first stretching rod, a first guide rail is vertically arranged on the front wall of the box body, and the first end of the second stretching rod is hinged to the front wall of the box body. A second roller is arranged at the second end of the second extension rod; a second guide rail is vertically arranged on the assembly part; the electric push rod is used for driving the first roller to roll along the first guide rail, so that the stretching assembly is unfolded or folded to drive the steering mechanism to move towards or away from the suitcase body so as to switch the state of the suitcase, a user can use the suitcase conveniently, and the riding experience feeling is good.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage boxes, in particular to an electric traveling luggage box. Background Art

[0002] With the advancement of science and technology, luggage features are becoming increasingly sophisticated to meet people's travel needs. Among them, electric luggage improves upon traditional luggage by making it rideable, reducing the burden of carrying luggage. Electric luggage not only offers the storage functions of ordinary luggage but also features a rideable function. Powered by electricity, it saves users energy and offers a new travel experience.

[0003] However, during the research process of this application, the inventor found that the existing riding-type luggage cases usually only have front and rear wheels installed on both sides of the bottom of the case, and the front wheel is driven by a hub motor to rotate and the rear wheel follows the rotation to realize the electric automatic driving of the luggage case on the road. Due to the limitation of the bottom space of the luggage case, this design method results in a relatively close distance between the front wheel and the rear wheel, and most of the existing riding-type luggage cases cannot adjust the distance between the front wheel and the rear wheel, so that the user cannot stretch his limbs when sitting on the case, and the taller the user, the more inconvenient it is to ride, which greatly affects the controllability of the electric luggage case during riding. In particular, it is relatively bulky when turning and is prone to rollover, which greatly affects the user's riding experience and riding pleasure. Utility Model Content

[0004] The purpose of the utility model is to provide an electric traveling luggage box, aiming to solve at least one of the technical problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present utility model provides an electric traveling luggage box, comprising:

[0006] A box body, the box body comprising a top wall for sitting, a front wall and rear wheels arranged at the bottom of the box body, and the box body has a space for accommodating clothes;

[0007] A steering mechanism, wherein a front wheel is provided at a lower portion of the steering mechanism via a front fork, and the steering mechanism is used to control the steering of the front wheel;

[0008] An assembly part, the assembly part being sleeved on the steering mechanism;

[0009] An extension assembly, the extension assembly comprising a first extension rod and a second extension rod, the middle portion of the first extension rod being hinged to the middle portion of the second extension rod, the first end of the first extension rod being hinged to the assembly part, the second end of the first extension rod being provided with a first shaft rod, the first shaft rod being provided with a first roller, a first guide rail being vertically provided on the front wall of the box, the first roller being rotatably provided on the first guide rail, the first end of the second extension rod being hinged to the front wall of the box, the second end of the second extension rod being provided with a second shaft rod, the second roller being provided on the second shaft rod, the assembly part being vertically provided with a second guide rail, the second roller being rotatably provided on the second guide rail;

[0010] An electric push rod is drivingly connected to the second end of the first extending rod or the second end of the second extending rod to drive the first roller to roll along the first guide rail or drive the second roller to roll along the second guide rail, so that the extending assembly is expanded or closed, thereby driving the steering mechanism to move toward or away from the box.

[0011] In some embodiments, the central axis of the first shaft is perpendicular to the length direction of the first stretching rod, and the central axis of the second shaft is perpendicular to the length direction of the second stretching rod.

[0012] In some embodiments, the first rollers are arranged in pairs, the two first rollers are respectively located on both sides of the second end of the first stretching rod, the number of the first guide rails is two, and the two first rollers are arranged on the two first guide rails in a one-to-one correspondence;

[0013] The second rollers are arranged in pairs, and the two second rollers are respectively located on both sides of the second end of the second extension rod. There are two second guide rails, and the two second rollers are arranged on the two second guide rails in a one-to-one correspondence.

[0014] In some embodiments, a first accommodating cavity is vertically defined on the front wall of the box, the first guide rail is accommodated in the first accommodating cavity, a second accommodating cavity is defined on a side of the assembly part close to the box, the second guide rail is accommodated in the second accommodating cavity, and the electric push rod is installed in the first accommodating cavity or the second accommodating cavity;

[0015] Wherein, when the extending assembly is in a closed state, the extending assembly is accommodated between the first accommodating cavity and the second accommodating cavity.

[0016] In some embodiments, first guide rails are provided on opposite sides of the first accommodating cavity, the number of the first rollers is two, and the two first rollers are respectively provided on the two first guide rails; second guide rails are provided on opposite sides of the second accommodating cavity, the number of the second rollers is two, and the two second rollers are respectively provided on the two second guide rails.

[0017] In some embodiments, the second guide rail is a second guide groove, and the upper portion of the second guide groove is open, and the upper portion of the second accommodating cavity is covered with a cover plate, so that the second roller can be rotatably accommodated in the second guide groove by removing the cover plate.

[0018] In some embodiments, the first guide rail is a first guide groove, the upper portion of the first guide groove is opened so that the first roller can be rotatably accommodated in the first guide groove through the opening, and the opposite side walls of the two first guide grooves are both through-set.

[0019] In some embodiments, a first annular groove is provided on the outer circumference of the first roller, first strip-shaped protrusions are provided on opposite side walls of the first guide groove, two first strip-shaped protrusions are embedded in the first annular groove, and the first roller is located between the two first strip-shaped protrusions.

[0020] In some embodiments, a second annular groove is provided on the outer circumference of the second roller, and second strip-shaped protrusions are provided on the opposite side walls of the second guide groove. The two second strip-shaped protrusions are embedded in the second annular groove, and the second roller is located between the two second strip-shaped protrusions.

[0021] In some embodiments, the first stretching rod and the second stretching rod are arranged crosswise, and the second stretching rods are arranged in pairs, and the middle portion of the first stretching rod is rotatably connected between the two second stretching rods; or

[0022] The first stretching rod and the second stretching rod are arranged crosswise, and the first stretching rods are arranged in pairs. The middle part of the second stretching rod is rotatably connected between the two first stretching rods.

[0023] It can be seen from the above technical solution that with the electric traveling suitcase of the present invention, when the user needs to ride, the user can sit on the top wall of the suitcase, and drive the first roller to roll along the first guide rail through the electric push rod, so that the extension component is expanded, thereby driving the steering mechanism to move in the direction away from the suitcase, so as to switch to the expanded state, thereby moving the steering mechanism and the front wheel away from the suitcase to increase the sitting space, making it convenient for the user to stretch his limbs when riding, so that the user can obtain a more comfortable riding posture, which is beneficial for the user to control the steering when riding, thereby enhancing the user's riding experience and riding fun; when the user does not need to ride, the electric push rod drives the first roller to roll along the first guide rail, so that the extension component is closed, thereby driving the steering mechanism to move in the direction close to the suitcase, so as to switch to the closed state, and then the steering mechanism and the front wheel are folded close to the suitcase, so as to reduce the space occupied by the entire suitcase, facilitate storage, carrying and transportation, and be easy to use.

[0024] In order to make the technical concept and other purposes, advantages, features and functions of the present invention more clearly understood, preferred embodiments will be specifically cited in the following specific implementation manner and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 1 is a schematic structural diagram of an electric traveling luggage box in a closed state provided by an embodiment of the present application;

[0027] Figure 2 1 is a schematic structural diagram of an electric traveling luggage box in an unfolded state provided by an embodiment of the present application;

[0028] Figure 3 2. This is a schematic structural diagram of an electric traveling luggage box in an unfolded state from another perspective provided by an embodiment of the present application;

[0029] Figure 4 This is a partial structural diagram of an electric traveling luggage box in an unfolded state provided by an embodiment of the present application;

[0030] Figure 5 This is a partial structural schematic diagram of an electric traveling luggage box in an unfolded state from another perspective provided by an embodiment of the present application;

[0031] Figure 6 This is a partial structural exploded view of an electric traveling luggage box provided in an embodiment of the present application;

[0032] Figure 7 This is a partial structural exploded view from another perspective of an electric traveling luggage case provided by an embodiment of the present application;

[0033] Figure 8 This is a structural diagram of the combination of the extension component and the electric push rod provided in an embodiment of the present application.

[0034] The above drawings include the following reference numerals:

[0035] 100, box body; 110, top wall; 120, front wall; 121, first accommodating cavity; 130, rear wheel; 140, mounting seat;

[0036] 200, steering mechanism; 210, front wheel; 220, assembly part; 221, second accommodating chamber; 222, cover plate;

[0037] 300, extension assembly; 310, first extension rod; 320, second extension rod; 330, first guide rail; 331, first strip protrusion; 340, first roller; 341, first annular groove; 342, first shaft; 350, second guide rail; 351, second strip protrusion; 360, second roller; 361, second annular groove; 362, second shaft; 370, electric push rod. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solutions of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.

[0039] Please also refer to Figures 1 to 8The present embodiment provides an electric traveling suitcase, comprising a case 100, a steering mechanism 200, an assembly 220, an extension assembly 300, and an electric push rod 370. The case 100 comprises a top wall 110 for riding, a front wall 120, and a rear wheel 130 arranged at the bottom of the case 100, and the case 100 has a space for accommodating clothes; a front wheel 210 is provided at the lower part of the steering mechanism 200 through a front fork, and the steering mechanism 200 is used to control the steering of the front wheel 210; the assembly 220 is sleeved on the steering mechanism 200; the extension assembly 300 comprises a first extension rod 310 and a second extension rod 320, the middle part of the first extension rod 310 is hinged to the middle part of the second extension rod 320, the first end of the first extension rod 310 is hinged to the assembly 220, the second end of the first extension rod 310 is provided with a first shaft rod 342, and the first shaft rod 342 is provided with a first roller 340, a first guide rail 330 is vertically provided on the front wall 120 of the box 100, and the first roller 340 is rotatably provided on the first guide rail 330, the first end of the second extension rod 320 is hinged to the front wall 120 of the box 100, and the second end of the second extension rod 320 is provided with a second shaft rod 362, and the second roller 360 is provided on the second shaft rod 362, and the assembly part 220 is vertically provided with a second guide rail 350, and the second roller 360 is rotatably provided on the second guide rail 350; the electric push rod 370 is drivingly connected to the second end of the first extension rod 310 or the second end of the second extension rod 320 to drive the first roller 340 to roll along the first guide rail 330 or drive the second roller 360 to roll along the second guide rail 350, so that the extension component 300 is expanded or closed, thereby driving the steering mechanism 200 to move toward or away from the box 100.

[0040] It can be seen that in the electric traveling luggage case of this embodiment, when the user needs to ride, the user can sit on the top wall 110 of the box body 100, and the electric push rod 370 drives the first roller 340 to roll along the first guide rail 330, so that the extension component 300 is unfolded, thereby driving the steering mechanism 200 to move away from the box body 100, so as to switch to the unfolded state, thereby moving the steering mechanism 200 and the front wheel 210 away from the box body 100 to increase the sitting space, so that the user can stretch out his limbs when riding, so that the user can get a more comfortable ride. The riding posture is conducive to the user's steering control while riding, thereby enhancing the user's riding experience and riding pleasure. When the user does not need to ride, the electric push rod 370 drives the first roller 340 to roll along the first guide rail 330, so that the extension component 300 is closed, thereby driving the steering mechanism 200 to move toward the direction close to the box body 100 to switch to the closed state, and then the steering mechanism 200 and the front wheel 210 are folded close to the box body 100 to reduce the space occupied by the entire suitcase, making it easier to store, carry and transport, and convenient to use.

[0041] Specifically, if Figure 1 As shown, the steering mechanism 200 moves toward the direction close to the box body 100 to switch the extension assembly 300 to the closed state. After closing, the volume is small and basically does not take up too much space, which is convenient for storage and transportation. Figure 2 As shown, the steering mechanism 200 moves in a direction away from the box body 100, thereby switching the extension assembly 300 to the expanded state, thereby facilitating riding.

[0042] Among them, the front wheel 210 adopts a hub motor wheel, and the controller controls the rotation of the hub motor front wheel 210, and the rear wheel 130 follows the rotation of the front wheel 210. The user sits on the top wall 110 of the box body 100 and holds the handle above the steering mechanism 200 with both hands or one hand to control the steering of the front wheel 210 by turning the steering mechanism 200, thereby realizing riding the suitcase on the road.

[0043] In this embodiment, the central axis of the first shaft 342 is perpendicular to the length direction of the first extension rod 310 , and the central axis of the second shaft 362 is perpendicular to the length direction of the second extension rod 320 .

[0044] Specifically, the first rollers 340 are arranged in pairs, and the two first rollers 340 are respectively located on both sides of the second end of the first extension rod 310. There are two first guide rails 330, and the two first rollers 340 are arranged on the two first guide rails 330 in a one-to-one correspondence; the second rollers 360 are arranged in pairs, and the two second rollers 360 are respectively located on both sides of the second end of the second extension rod 320. There are two second guide rails 350, and the two second rollers 360 are arranged on the two second guide rails 350 in a one-to-one correspondence. This arrangement can not only ensure that the first rollers 340 roll smoothly along the first guide rails 330, but also ensure the stability and reliability of the structural assembly.

[0045] Furthermore, a first accommodating cavity 121 is vertically opened on the front wall 120 of the box body 100, and the first guide rail 330 is accommodated in the first accommodating cavity 121. A second accommodating cavity 221 is opened on the side of the assembly part 220 close to the box body 100, and the second guide rail 350 is accommodated in the second accommodating cavity 221; wherein, when the extension component 300 is in a closed state, the extension component 300 is accommodated between the first accommodating cavity 121 and the second accommodating cavity 221, the first end of the first extension rod 310 is hinged to the second accommodating cavity 221 through a hinge shaft, and the first end of the second extension rod 320 is hinged to the first accommodating cavity 121 through a hinge shaft, and the electric push rod 370 is installed in the first accommodating cavity 121 or the second accommodating cavity 221. With this arrangement, part of the installation structure of the extension component 300 is hidden in the first accommodating cavity 121 or the second accommodating cavity 221 respectively, and the structural design is compact without affecting the external appearance of the suitcase.

[0046] Among them, the front wall 120 of the box body 100 is provided with a through opening, and a mounting seat 140 is installed at the through opening. The cross-sectional shape of the mounting seat 140 is roughly C-shaped, and the first accommodating cavity 121 is arranged on the mounting seat 140. The mounting seat 140 is fixed to the front wall 120 of the box body 100 by screws. Such an arrangement has a simple structure, low processing difficulty and production cost, and is easy to assemble.

[0047] In this embodiment, first guide rails 330 are provided on opposite sides of the first accommodating cavity 121, and there are two first rollers 340, which are respectively provided on the two first guide rails 330. Second guide rails 350 are provided on opposite sides of the second accommodating cavity 221, and there are two second rollers 360, which are respectively provided on the two second guide rails 350. In this way, the stability and safety of the structure are further improved.

[0048] Specifically, the second guide rail 350 is a second guide groove, and the upper part of the second guide groove is open. The upper part of the second accommodating cavity 221 is covered with a cover plate 222, so that the second roller 360 can be rotatably accommodated in the second guide groove by removing the cover plate 222, wherein the cover plate 222 is fixed to the top of the assembly part 220 by screws, the assembly part 220 is a sleeve structure, and the assembly part 220 is sleeved on the steering mechanism 200, and the upper part of the steering mechanism 200 passes through the assembly part 220 and is provided with a handle for hand holding.

[0049] Furthermore, the first guide rail 330 is a first guide groove, the upper portion of which is opened so that the first roller 340 can be rotatably accommodated in the first guide groove through the opening, and the opposite side walls of the two first guide grooves are both through-set.

[0050] In this embodiment, a first annular groove 341 is provided on the outer peripheral surface of the first roller 340, and first strip-shaped protrusions 331 are provided on the opposite side walls of the first guide groove. The two first strip-shaped protrusions 331 are embedded in the first annular groove 341, and the first roller 340 is located between the two first strip-shaped protrusions 331. In this way, the first strip-shaped protrusions 331 cooperate with the first annular groove 341 to enable the first roller 340 to roll stably vertically in the first guide groove, and the structural design is compact, stable and reliable.

[0051] The first strip-shaped protrusion 331 is a first cylindrical soft rubber strip, and first strip-shaped grooves are formed on opposite side walls of the first guide groove, and the first cylindrical soft rubber strip is embedded in the first strip-shaped grooves.

[0052] In some embodiments, a second annular groove 361 is provided on the outer peripheral surface of the second roller 360, and second strip protrusions 351 are provided on the opposite side walls of the second guide groove. The two second strip protrusions 351 are embedded in the second annular groove 361, and the second roller 360 is located between the two second strip protrusions 351. In this way, the second strip protrusion 351 cooperates with the second annular groove 361 to enable the second roller 360 to roll stably vertically in the second guide groove, and the structural design is compact, stable and reliable.

[0053] The second strip-shaped protrusion 351 is a second cylindrical soft rubber strip, and the two opposite side walls of the second guide groove are each provided with a second strip-shaped groove, and the second cylindrical soft rubber strip is embedded in the second strip-shaped groove.

[0054] In this embodiment, the first stretching rod 310 and the second stretching rod 320 are arranged crosswise, and the second stretching rods 320 are arranged in pairs. There is only one first stretching rod 310, and the middle part of the first stretching rod 310 is rotatably connected between the two second stretching rods 320. This arrangement makes the structure of the stretching assembly 300 more stable, less prone to shaking, safe and reliable, and provides a better riding experience.

[0055] In other embodiments, the first stretching rod 310 and the second stretching rod 320 are cross-arranged, and the first stretching rod 310 is arranged in pairs, the number of the second stretching rod 320 is one, and the middle part of the second stretching rod 320 is rotatably connected between the two first stretching rods 310.

[0056] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0057] When the user wants to ride the electric traveling luggage case of the present invention, the user can sit on the top wall 110 of the case 100, and the electric push rod 370 drives the first roller 340 to roll along the first guide rail 330, so that the extension assembly 300 is unfolded, thereby driving the steering mechanism 200 to move away from the case 100, so as to switch to the unfolded state, thereby moving the steering mechanism 200 and the front wheel 210 away from the case 100 to increase the sitting space, so that the user can stretch out his limbs when riding, so that the user can have a more comfortable ride. When the user does not need to ride, the electric push rod 370 drives the first roller 340 to roll along the first guide rail 330, so that the extension component 300 is closed, thereby driving the steering mechanism 200 to move toward the direction close to the box body 100, so as to switch to the closed state, and then the steering mechanism 200 and the front wheel 210 are folded close to the box body 100, so as to reduce the space occupied by the entire suitcase, facilitate storage, carrying and transportation, and be easy to use.

[0058] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0059] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0060] In the description of this application, the terms "center", "up", "down", "front", "back", "left", "right", "lateral", "vertical", "vertical", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application 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 operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0061] It should be noted that, in the description of this application, unless otherwise clearly specified and limited, the terms "set, connect, connect, install" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, a conflicting connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0062] In addition, it should be noted that, in the description of the present invention, the terms "first" and "second" are only used for the purpose of clarifying or simplifying the description, and cannot be understood as indicating or implying relative importance or quantity.

[0063] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. An electric traveling luggage box, characterized in that: include: A box body, the box body comprising a top wall for sitting, a front wall and rear wheels arranged at the bottom of the box body, and the box body has a space for accommodating clothes; A steering mechanism, wherein a front wheel is provided at a lower portion of the steering mechanism via a front fork, and the steering mechanism is used to control the steering of the front wheel; An assembly part, the assembly part being sleeved on the steering mechanism; An extension assembly, the extension assembly comprising a first extension rod and a second extension rod, the middle portion of the first extension rod being hinged to the middle portion of the second extension rod, the first end of the first extension rod being hinged to the assembly part, the second end of the first extension rod being provided with a first shaft rod, the first shaft rod being provided with a first roller, a first guide rail being vertically provided on the front wall of the box, the first roller being rotatably provided on the first guide rail, the first end of the second extension rod being hinged to the front wall of the box, the second end of the second extension rod being provided with a second shaft rod, the second roller being provided on the second shaft rod, the assembly part being vertically provided with a second guide rail, the second roller being rotatably provided on the second guide rail; An electric push rod is drivingly connected to the second end of the first extending rod or the second end of the second extending rod to drive the first roller to roll along the first guide rail or drive the second roller to roll along the second guide rail, so that the extending assembly is expanded or closed, thereby driving the steering mechanism to move toward or away from the box.

2. The electric traveling luggage box according to claim 1, characterized in that: The central axis of the first shaft is perpendicular to the length direction of the first stretching rod, and the central axis of the second shaft is perpendicular to the length direction of the second stretching rod.

3. The electric traveling luggage box according to claim 2, characterized in that: The first rollers are arranged in pairs, and the two first rollers are respectively located on both sides of the second end of the first stretching rod. There are two first guide rails, and the two first rollers are arranged on the two first guide rails in a one-to-one correspondence; The second rollers are arranged in pairs, and the two second rollers are respectively located on both sides of the second end of the second extension rod. There are two second guide rails, and the two second rollers are arranged on the two second guide rails in a one-to-one correspondence.

4. The electric traveling luggage box according to any one of claims 1 to 3, characterized in that: A first accommodating cavity is vertically defined on the front wall of the box, the first guide rail is accommodated in the first accommodating cavity, a second accommodating cavity is defined on a side of the assembly part close to the box, the second guide rail is accommodated in the second accommodating cavity, and the electric push rod is installed in the first accommodating cavity or the second accommodating cavity; Wherein, when the extending assembly is in a closed state, the extending assembly is accommodated between the first accommodating cavity and the second accommodating cavity.

5. The electric traveling luggage box according to claim 4, characterized in that: First guide rails are provided on opposite sides of the first accommodating cavity, there are two first rollers, and the two first rollers are respectively provided on the two first guide rails; second guide rails are provided on opposite sides of the second accommodating cavity, there are two second rollers, and the two second rollers are respectively provided on the two second guide rails.

6. The electric traveling luggage box according to claim 5, characterized in that: The second guide rail is a second guide groove, and the upper portion of the second guide groove is open. The upper portion of the second accommodating cavity is covered with a cover plate, so that the second roller can be rotatably accommodated in the second guide groove by removing the cover plate.

7. The electric traveling luggage box according to claim 5, characterized in that: The first guide rail is a first guide groove, the upper portion of the first guide groove is opened so that the first roller can be rotatably accommodated in the first guide groove through the opening, and the two opposite side walls of the first guide grooves are both through-set.

8. The electric traveling luggage box according to claim 7, characterized in that: A first annular groove is formed on the outer circumference of the first roller, and first strip-shaped protrusions are provided on opposite side walls of the first guide groove. The two first strip-shaped protrusions are embedded in the first annular groove, and the first roller is located between the two first strip-shaped protrusions.

9. The electric traveling luggage box according to claim 6, characterized in that: A second annular groove is formed on the outer circumference of the second roller, and second strip-shaped protrusions are provided on opposite side walls of the second guide groove. The two second strip-shaped protrusions are embedded in the second annular groove, and the second roller is located between the two second strip-shaped protrusions.

10. The electric traveling luggage box according to any one of claims 1 to 3, characterized in that: The first stretching rod and the second stretching rod are arranged crosswise, and the second stretching rods are arranged in pairs, and the middle portion of the first stretching rod is rotatably connected between the two second stretching rods; or The first stretching rod and the second stretching rod are arranged crosswise, and the first stretching rods are arranged in pairs. The middle part of the second stretching rod is rotatably connected between the two first stretching rods.

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