Electric draw-bar box

Abstract

The utility model discloses an electric draw-bar box which comprises a front box body, a rear box body, a draw bar, moving wheels, a front baffle plate, a key and an electric lifting driving device which is used for driving the front baffle plate to move up and down and can fix the front baffle plate at the upper end position of the front box body, the electric lifting driving device is installed in the front box body, a sliding hole is formed in the front face of the front box body, the lifting portion of the electric lifting driving device penetrates through the sliding hole to be connected with the front baffle, and when the electric lifting driving device drives the front baffle to move upwards in place, the upper end of the front baffle is higher than the top face of the front box body. And the keys are mounted on the front baffle, the front box body or the rear box body and are electrically connected with the electric lifting driving device. The draw-bar box can realize the lifting of the front baffle plate, can provide a sitting function for children, can also conveniently place articles above the draw-bar box, is convenient and quick to operate, can relieve travel fatigue, saves time and labor, and is high in practicability.

Description

Technical Field

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

[0002] As people travel more and more frequently, trolley cases have become popular as a type of case used to carry personal belongings when traveling. For some items that are frequently used during travel, in order to facilitate taking and placing, they are often put in a handbag or held directly in the hand. Placing the handbag or items on the top of the suitcase can allow them to move with the suitcase, which is more labor-saving. However, the trolley case generally shakes and bumps during the pulling process, causing the handbag or items placed on the top surface to easily fall off, making it very inconvenient to use. In addition, common trolley cases often do not have the function of children riding. When children sit on top of traditional trolley cases, it is difficult for children to maintain their balance and they may fall backwards, posing a safety hazard.

[0003] For example, patent publication number CN204682826U discloses a luggage box with a child seat, including wheels, a box body, a pull rod, and a seat mounted on the box body, wherein the seat includes a seat portion, a first baffle portion, a second baffle portion, and a backrest portion respectively connected to the seat portion, wherein the seat portion is placed on the box body, the first baffle portion and the second baffle portion are opposite surfaces, the backrest portion is fixed on the pull rod, and the backrest portion is provided with a safety belt. The patent provides a foldable seat structure with a simple structure. When a child sits on the seat, the seat does not have a protective structure on the front, nor does it have a structure that enables the child to grasp and maintain balance. During the movement of the box body, the child may slide down from the gap between the seat and the safety belt, posing a risk of sliding. In addition, when items are placed on the seat, small items are prone to falling because there is no enclosure structure on the front. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide an electric trolley case which is easy to use, can realize the lifting and lowering of the front baffle, provides a riding function for children and facilitates the placement of items on the top of the trolley case.

[0005] To achieve the above-mentioned purpose, the utility model provides an electric trolley case, comprising a front box body, a rear box body, a drawbar and moving wheels, the front box body being rotatably connected to the rear box body, a accommodating cavity being formed between the front box body and the rear box body, the drawbar being telescopically arranged at the back of the rear box body, the moving wheels being respectively arranged at the four corners of the bottom of the front box body and the rear box body, and also comprising a front baffle, a button and an electric lifting drive device for driving the front baffle to move up and down and being able to fix the front baffle to the upper end position of the front box body, the front baffle sliding cover being arranged at the front side of the front box body, the electric lifting drive device being installed inside the front box body, a sliding hole being connected to the interior and arranged longitudinally being opened on the front side of the front box body, the lifting part of the electric lifting drive device being connected to the front baffle through the sliding hole, and when the electric lifting drive device drives the front baffle to move upward into place, the height of the upper end part of the front baffle is higher than the top surface of the front box body, the button being installed on the front baffle, the front box body or the rear box body, and the button being electrically connected to the electric lifting drive device.

[0006] Preferably, the electric lifting drive device includes a lifting drive motor, a screw and a nut seat, the lifting drive motor is fixed upward on the inner bottom surface of the front box body, the screw is longitudinally arranged inside the front box body and is located on the side close to the sliding hole, one end of the screw is transmission-connected to the output shaft of the lifting drive motor, the other end of the screw is rotatably connected to the inner top surface of the front box body, the nut seat is connected to the screw by threaded engagement, and a nut connecting part is provided on the nut seat that passes through the sliding hole and is connected to the front baffle, the button is electrically connected to the lifting drive motor through the control circuit board, and the lifting drive motor can drive the screw to rotate, thereby driving the nut seat and the front baffle to move up and down.

[0007] Preferably, the cross-sectional shape of the front baffle is set to be a U-shape, and the upper end portion of the front baffle extending out of the top surface of the front box body can form a semi-enclosed structure on the front side of the front box body.

[0008] Preferably, two guide rails are longitudinally and parallelly installed on the outer walls on both sides of the front box body, and a sliding groove is formed between the two guide rails. Sliding bosses are respectively formed on the lower part of the inner walls on both sides of the front baffle, and the two sliding bosses are respectively inserted into their corresponding sliding grooves and in sliding contact with the inner walls of their corresponding guide rails.

[0009] Preferably, the button is installed on the front side of the front baffle through a button sleeve and connected to the nut connecting part of the nut seat. The button sleeve is configured as a structure with openings at both ends and a hollow interior. The button sleeve includes a button sleeve and a limiting ring portion. The limiting ring portion is arranged around the outer wall of the head end of the button sleeve. The tail end of the button sleeve passes through the front baffle and is connected to the nut connecting part. The inner side wall of the limiting ring portion abuts against the front side of the front baffle. The button is located inside the tube body of the button sleeve, and the head end of the button is located on the side close to the limiting ring portion.

[0010] Preferably, the shape of the limiting ring portion is set to be a flower shape, a ring shape, a triangle or a polygon.

[0011] Preferably, it also includes a power supply device for supplying power to the electric lifting drive device, and the power supply device is installed in the front box body or the rear box body.

[0012] Preferably, the power supply device is configured as a mobile power supply or a battery pack.

[0013] Preferably, the front top edge of the front baffle protrudes upward and is arranged in an arc shape.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model has a simple structure and reasonable design. The front baffle can be driven by an electric lifting drive device to move upward relative to the front box body, so that the upper end of the front baffle is higher than the top surface of the front box body. When children sit on the suitcase, the front baffle can be used as a backrest and can also achieve front and rear limit together with the pull rod to prevent children from falling from above the suitcase, thereby ensuring the safety of children. In addition, users can also place carry-on items on top of the suitcase and block them with the front baffle. The utility model is easy and quick to operate, can reduce travel fatigue, save time and effort, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of an electric trolley case provided by an embodiment of the utility model;

[0018] Figure 2 It is an exploded schematic diagram of an electric trolley case provided by an embodiment of the utility model;

[0019] Figure 3 It is a partially exploded schematic diagram of an electric trolley case provided by an embodiment of the utility model;

[0020] Figure 4 It is an exploded and enlarged schematic diagram of an electric trolley case provided by an embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the working of an electric trolley case provided by the embodiment of the utility model. Figure 1 ;

[0022] Figure 6 This is a schematic diagram of the working of an electric trolley case provided by the embodiment of the utility model. Figure 2 . DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Please refer to Figure 1 An embodiment of the utility model provides an electric trolley case, including a front box body 1, a rear box body 2, a pull rod 3, a moving wheel 4, a front baffle 5, a button 6, and an electric lifting drive device 7 for driving the front baffle 5 to move up and down and fixing the front baffle 5 at the upper end position of the front box body 1. The various components of this embodiment are described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1 As shown, the front box body 1 can be rotatably connected to the rear box body 2, and a accommodating cavity 10 is formed between the front box body 1 and the rear box body 2. The pull rod 3 is telescopically arranged on the back of the rear box body 2, and the moving wheels 4 are respectively arranged at the four corners of the bottom of the front box body 1 and the rear box body 2.

[0026] Among them, the front box body 1 can be connected to the rear box body 2 by rotation and locking through a connecting piece to realize opening or locking of the box. The connecting piece can be set to any matching zipper and zipper combination lock on the market, or any box frame and corresponding lock buckle. This embodiment does not limit the rotation connection structure between the front box body 1 and the rear box body 2.

[0027] like Figure 2As shown, the front baffle 5 can be slidably covered on the front side of the front box body 1, the electric lifting drive device 7 is installed inside the front box body 1, and a sliding hole 11 connected to the interior and arranged longitudinally is opened on the front side of the front box body 1. The lifting part of the electric lifting drive device 7 is connected to the front baffle 5 through the sliding hole 11. When the electric lifting drive device 7 drives the front baffle 5 to move upward into place, the height of the upper end of the front baffle 5 is higher than the top surface of the front box body 1. The button 6 is installed on the front baffle 5, the front box body 1 or the rear box body 2, and the button 6 is electrically connected to the electric lifting drive device 7.

[0028] In a specific implementation, the cross-sectional shape of the front baffle 5 can be set to be a U-shaped shape, and the upper end portion of the front baffle 5 extending out of the top surface of the front box body 1 can form a semi-enclosed structure on the front side of the front box body 1 .

[0029] Preferably, the front top edge of the front baffle 5 protrudes upward and is arranged in an arc shape.

[0030] like Figure 3 As shown, the electric lifting drive device 7 may include a lifting drive motor 71, a screw 72 and a nut seat 73. The lifting drive motor 71 is fixedly arranged upward on the inner bottom surface of the front box body 1, and the screw 72 is longitudinally arranged inside the front box body 1 and is located on the side close to the sliding hole 11. One end of the screw 72 is drivingly connected to the output shaft of the lifting drive motor 71, and the other end of the screw 72 is rotatably connected to the inner top surface of the front box body 1. The nut seat 73 is connected to the screw 72 by threaded engagement. A nut connecting portion 731 is provided on the nut seat 73, which passes through the sliding hole 11 and is connected to the front baffle 5. The button 6 is electrically connected to the lifting drive motor 71 through the control circuit board 122. The lifting drive motor 71 can drive the screw 72 to rotate, thereby driving the nut seat 73 and the front baffle 5 to move up and down.

[0031] like Figure 4 As shown, two guide rails 8 can be installed longitudinally and parallely on the outer walls of both sides of the front box body 1, and a sliding groove 81 is formed between the two guide rails 8. The lower part of the inner walls on both sides of the front baffle 5 is respectively formed with sliding bosses 51. The two sliding bosses 51 are respectively inserted into their respective corresponding sliding grooves 81 and slide in contact with the inner walls of their respective corresponding guide rails 8.

[0032] The guide rail 8 provides a guiding function, so that the front baffle 5 can remain stable under the drive of the lifting drive device 7 .

[0033] In this embodiment, the button 6 is installed on the front side of the front baffle 5 through the button sleeve 9 and is connected to the nut connecting part 731 of the nut seat 73. The button sleeve 9 is set to a structure with two ends open and a hollow interior. The button sleeve 9 includes a button sleeve 91 and a limiting ring part 92. The limiting ring part 92 is arranged around the outer wall of the head end of the button sleeve 91. The tail end of the button sleeve 91 passes through the front baffle 5 and is connected with the nut connecting part 731. The inner side wall of the limiting ring part 92 abuts against the front side of the front baffle 5. The button 6 is located inside the tube body of the button sleeve 91, and the head end of the button 6 is located on the side close to the limiting ring part 92.

[0034] In order to improve the aesthetics of the suitcase, the shape of the limiting ring 92 is set to be a flower shape, a ring shape, a triangle or a polygon or an irregular shape. The limiting ring 92 has a three-dimensional sense and a good decorative effect. This embodiment does not limit the shape of the limiting ring 92.

[0035] Furthermore, a power supply device 121 for supplying power to the electric lifting drive device 7 may be further included, and the power supply device 121 is installed in the front box body 1 or the rear box body 2 .

[0036] In order to conveniently supply power to the lifting drive device 7 , the power supply device 121 can be configured as a mobile power source or a battery pack.

[0037] When people travel, children can sit on the body of the trolley case and use the front baffle 5 as a backrest. By pulling out the tie rod 3, the child's legs are located on both sides of the tie rod 3. The child can hold the body of the tie rod 3 to maintain balance during the movement of the trolley case, thereby preventing the child from falling from the top of the trolley case and ensuring the child's riding safety. In addition, carry-on handbags and items can be placed on the body of the trolley case and limited by the front baffle 5 to prevent the items from falling or shifting during the movement of the trolley case.

[0038] The working principle of this embodiment is as follows:

[0039] like Figure 5 and Figure 6 As shown, when the front baffle needs to be used, first press the button to power the lifting drive motor through the power supply component, and the lifting drive motor drives the screw to rotate. While the screw rotates, it drives the nut seat to move upward along the sliding hole, thereby driving the front baffle to move upward. Under the control of the control circuit board, the front baffle stops when it moves upward to the preset position through the electric lifting drive device, thereby realizing the extended positioning of the front baffle;

[0040] When the front baffle is not needed, press the button again, and the electric lifting drive device will drive the front baffle to move down to the initial position, so that the front baffle can be retracted and returned to its original position without affecting the normal use of the suitcase, which is convenient and quick.

[0041] To sum up, the utility model can drive the front baffle to move upward relative to the front box body through the electric lifting drive device, so that the upper end of the front baffle is higher than the top surface of the front box body. When children sit on the seat, the front baffle can be used as a backrest, and can also achieve front and rear limit together with the pull rod, thereby preventing children from falling from the top of the pull rod case, thereby ensuring the safety of children sitting. In addition, users can also place carry-on items on the top of the pull rod case and block them through the front baffle. The utility model is easy and quick to operate, can reduce travel fatigue, save time and effort, and is highly practical.

[0042] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An electric trolley case, comprising a front case (1), a rear case (2), a trolley (3) and moving wheels (4), wherein the front case (1) is rotatably connected to the rear case (2), a receiving cavity (10) is formed between the front case (1) and the rear case (2), the trolley (3) is telescopically arranged on the back of the rear case (2), and the moving wheels (4) are respectively arranged at four corners of the bottom of the front case (1) and the rear case (2), characterized in that: It further includes a front baffle (5), a button (6), and an electric lifting drive device (7) for driving the front baffle (5) to move up and down and capable of fixing the front baffle (5) at the upper end position of the front box body (1). The front baffle (5) is slidably sleeved on the front of the front box body (1). The electric lifting drive device (7) is installed inside the front box body (1). A longitudinally arranged sliding hole (11) communicating with the inside is formed on the front of the front box body (1). The lifting part of the electric lifting drive device (7) passes through the sliding hole (11) and is connected to the front baffle (5). When the electric lifting drive device (7) drives the front baffle (5) to move up to the in-place position, the height of the upper end part of the front baffle (5) is higher than the top surface of the front box body (1). The button (6) is installed on the front baffle (5), the front box body (1), or the rear box body (2), and the button (6) is electrically connected to the electric lifting drive device (7).

2. The electric trolley case according to claim 1, characterized in that: The electric lifting drive device (7) includes a lifting drive motor (71), a screw rod (72), and a nut seat (73). The lifting drive motor (71) is fixedly arranged upward on the inner bottom surface of the front box body (1). The screw rod (72) is longitudinally arranged inside the front box body (1) and is located on one side close to the sliding hole (11). One end of the screw rod (72) is in transmission connection with the output shaft of the lifting drive motor (71). The other end of the screw rod (72) is rotatably connected to the inner top surface of the front box body (1). The nut seat (73) is threadedly engaged with the screw rod (72). A nut connecting part (731) passing through the sliding hole (11) and connected to the front baffle (5) is provided on the nut seat (73). The button (6) is electrically connected to the lifting drive motor (71) through a control circuit board (122). The lifting drive motor (71) can drive the screw rod (72) to rotate, thereby driving the nut seat (73) and the front baffle (5) to move up and down.

3. The electric trolley case according to claim 1, characterized in that: The cross-sectional shape of the front baffle (5) is set in a U shape, and the upper end part of the front baffle (5) extending out of the top surface of the front box body (1) can form a semi-surrounding structure on the front of the front box body (1).

4. The electric trolley case according to claim 3, characterized in that: Two guide rails (8) are longitudinally and parallelly installed on the outer walls on both sides of the front box body (1), and sliding grooves (81) are formed between the two guide rails (8). Sliding convex columns (51) are respectively formed on the lower parts of the inner walls on both sides of the front baffle (5), and the two sliding convex columns (51) are respectively inserted into the respective corresponding sliding grooves (81) and are in sliding contact with the inner walls of the respective corresponding guide rails (8).

5. The electric trolley case according to claim 2, characterized in that: The button (6) is installed on the front side of the front baffle (5) through the button sleeve (9) and connected to the nut connecting portion (731) of the nut seat (73). The button sleeve (9) is set as a structure with two ends open and a hollow interior. The button sleeve (9) comprises a button sleeve (91) and a limiting ring portion (92). The limiting ring portion (92) is arranged around the outer wall of the head end of the button sleeve (91). The tail end of the button sleeve (91) passes through the front baffle (5) and is connected to the nut connecting portion (731). The inner side wall of the limiting ring portion (92) abuts against the front side of the front baffle (5). The button (6) is located inside the tube body of the button sleeve (91), and the head end of the button (6) is located on the side close to the limiting ring portion (92).

6. The electric trolley case according to claim 5, characterized in that: The shape of the limiting ring portion (92) is set to be a flower shape, a ring shape, a triangle or a polygon.

7. The electric trolley case according to claim 1, characterized in that: It also includes a power supply device (121) for supplying power to the electric lifting drive device (7), wherein the power supply device (121) is installed in the front box body (1) or the rear box body (2).

8. The electric trolley case according to claim 7, characterized in that: The power supply device (121) is configured as a mobile power source or a battery pack.

9. The electric trolley case according to claim 3, characterized in that: The front top edge of the front baffle (5) protrudes upward and is arranged in an arc shape.

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