Electric luggage case and length adjusting method

Abstract

The invention discloses an electric luggage case and a length adjusting method.The electric luggage case comprises a support and a case body, a direction control mechanism is arranged at the front end of the support, a sliding groove is formed in the bottom of the case body, the support is arranged in the sliding groove, the support and the sliding groove are in front-and-back sliding fit, and walking driving wheels are arranged at the front end of the support; the direction control mechanism controls the walking driving wheels to run, two rear wheels are arranged at the rear end of the bottom of the box body, and a telescopic electric cylinder horizontally arranged in the front-back direction is arranged in the support and connected between the support and the box body. The box body is driven by the telescopic electric cylinder to slide forwards or backwards relative to the support. The invention has the characteristics of easy riding, higher safety and reliability and the like.

Description

Technical Field

[0001] The invention relates to a luggage case, and in particular to an electric luggage case and a length adjustment method. Background Art

[0002] Suitcases are common items for people to travel with. Traditional suitcases generally only have a box body, wheels and a pull rod. When in use, the pull rod needs to be dragged to make the wheels move on the ground. With the development of suitcase technology, in order to facilitate people's pushing, some suitcases with electric wheels have appeared on the market. Such suitcases can achieve the purpose of automatic walking by controlling the operation of the electric wheels. Some suitcases can also be used by users for riding. However, due to the small length and width of the top of the suitcase, it is not convenient for users to control the walking direction when riding, and it is even easy to roll over, posing a safety hazard. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an electric luggage case which is easy to ride and has higher safety and reliability, and a length adjustment method thereof, in view of the deficiencies of the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions.

[0005] An electric luggage case includes a support and a box body, wherein a direction control mechanism is provided at the front end of the support, a slide groove is formed at the bottom of the box body, the support is arranged in the slide groove and the two slide together forward and backward, a travel drive wheel is provided at the front end of the support, and the travel drive wheel is controlled by the direction control mechanism, two rear wheels are provided at the rear end of the bottom of the box body, a telescopic electric cylinder is provided in the support and is horizontally arranged along the front and rear directions, the telescopic electric cylinder is connected between the support and the box body, and the box body is driven to slide forward or backward relative to the support by the telescopic electric cylinder.

[0006] Preferably, the rear end base of the telescopic electric cylinder is connected to the box body, and the front end telescopic shaft of the telescopic electric cylinder is connected to the support.

[0007] Preferably, a vertical tube is provided at the front end of the support, a middle tube which can slide up and down is provided in the vertical tube, and the direction control mechanism is provided at the upper end of the middle tube.

[0008] Preferably, the vertical tube passes through the support and the two are rotatably matched, a front fork is provided at the lower end of the vertical tube, and the travel driving wheel is provided in the front fork.

[0009] Preferably, an elastic locking mechanism for limiting the lifting and lowering position of the middle tube is provided in the vertical tube.

[0010] Preferably, the direction control mechanism comprises a handle body, the handle body is fixed to the upper end of the middle tube, and both ends of the handle body are provided with flippable and foldable auxiliary handles.

[0011] Preferably, two buttons for controlling the rotation direction and rotation speed of the travel drive wheel are provided on the rear side of the handle body.

[0012] Preferably, a pull rod which can be extended up and down is provided at the rear end of the box.

[0013] Preferably, a controller for controlling the telescopic movement of the telescopic electric cylinder is provided on the box body.

[0014] A method for adjusting the length of an electric luggage case, the electric luggage case comprising a support and a case body, the front end of the support being provided with a direction control mechanism, the bottom of the case body being formed with a slide groove, the support being arranged in the slide groove and the two being slidably matched forward and backward, the front end of the support being provided with a travel drive wheel, and the travel drive wheel operation is controlled by the direction control mechanism, the bottom rear end of the case body being provided with two rear wheels, the support being provided with a telescopic electric cylinder horizontally arranged along the front and rear direction, the telescopic electric cylinder being connected between the support and the case body, the length adjustment method comprising: driving the case body to slide forward or backward to a target position relative to the support by controlling the telescopic movement of the telescopic electric cylinder; and driving the travel drive wheel operation by operating the direction control mechanism.

[0015] In the electric luggage case disclosed in the present invention, the support can play a role of bottom support, and the telescopic electric cylinder installed therein can be used to adjust the relative position between the support and the case body. When the user needs to push, the telescopic electric cylinder can be controlled to retract so that the support and the case body are brought closer to each other. When the user needs to ride, the telescopic electric cylinder can be controlled to extend so that the support and the case body are relatively separated, and at the same time, the distance between the direction control mechanism and the case body is extended. When the user rides on the case body, the limbs can be better stretched, which not only improves the riding comfort, but also is not easy to tip over, and has higher safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional diagram of the electric luggage case of the present invention; Figure 2 is an exploded view of the electric luggage case of the present invention; Figure 3 This is a three-dimensional diagram of the electric luggage case of the present invention after adjusting its length; Figure 4 This is a side view of the electric luggage case of the present invention after the length is adjusted. DETAILED DESCRIPTION

[0017] The present invention is described in more detail below with reference to the accompanying drawings and embodiments.

[0018] The invention discloses an electric luggage case, Figures 1 to 4 As shown, it includes a support 1 and a box body 2, a direction control mechanism 3 is provided at the front end of the support 1, a slide groove 4 is formed at the bottom of the box body 2, the support 1 is arranged in the slide groove 4 and the two slide together front and back, a travel driving wheel 5 is provided at the front end of the support 1, and the travel driving wheel 5 is controlled by the direction control mechanism 3 to operate, two rear wheels 6 are provided at the rear end of the bottom of the box body 2, a telescopic electric cylinder 7 is provided in the support 1 horizontally arranged along the front and rear directions, the telescopic electric cylinder 7 is connected between the support 1 and the box body 2, and the box body 2 is driven to slide forward or backward relative to the support 1 by the telescopic electric cylinder 7.

[0019] In the above structure, the support 1 can play a role of bottom support, and the telescopic electric cylinder 7 installed therein can be used to adjust the relative position between the support 1 and the box body 2. Figure 1 and Figure 3 As shown, when the user needs to push, the telescopic electric cylinder 7 can be controlled to retract so that the support 1 and the box 2 are brought closer to each other. When the user needs to ride, the telescopic electric cylinder 7 can be controlled to extend so that the support 1 and the box 2 are relatively far apart, and at the same time, the distance between the direction control mechanism 3 and the box 2 is extended. When the user rides on the box 2, the limbs can be better stretched, which not only improves the riding comfort, but also is not easy to roll over, and has higher safety and reliability.

[0020] As a preferred embodiment, the telescopic electric cylinder 7 is a driving mechanism that utilizes a motor and a torque conversion mechanism to drive the telescopic shaft to move forward and backward. In the present embodiment, the telescopic electric cylinder 7 is preferably a cylinder with a slightly smaller size and a suitable telescopic size. Such an electric cylinder has the advantages of being small, easy to install, and low in cost, and is suitable for use in the electric suitcase of the present invention.

[0021] Regarding the preferred connection mode of the telescopic electric cylinder 7, in this embodiment, the rear end base of the telescopic electric cylinder 7 is connected to the box body 2, and the front end telescopic shaft of the telescopic electric cylinder 7 is connected to the support 1. Specifically, the rear end base of the telescopic electric cylinder 7 can be connected to the box body 2 by a fixed connection or an articulated manner, and similarly, the front end telescopic shaft of the telescopic electric cylinder 7 can also be connected to the support 1 by a fixed connection or an articulated manner, but in this embodiment, the front and rear ends of the telescopic electric cylinder 7 preferably adopt an articulated transmission connection mode, and this articulated mode can avoid the front and rear ends of the telescopic electric cylinder 7 from getting stuck during the movement of the telescopic electric cylinder 7.

[0022] In order to facilitate the control of the walking direction, in this embodiment, a vertical tube 8 is provided at the front end of the support 1, a middle tube 9 that can slide up and down is provided inside the vertical tube 8, and the direction control mechanism 3 is provided at the upper end of the middle tube 9.

[0023] Furthermore, the vertical tube 8 passes through the support 1 and the two are rotatably matched, a front fork 10 is provided at the lower end of the vertical tube 8, and the travel driving wheel 5 is provided in the front fork 10.

[0024] In the above structure, based on the rotatable connection relationship of the vertical pipe 8, the user only needs to simply operate the direction control mechanism 3 to adjust the walking direction of the walking driving wheel 5, thereby realizing the steering function.

[0025] In this embodiment, an elastic locking mechanism is provided in the vertical tube 8 for limiting the lifting position of the middle tube 9. The elastic locking mechanism can be composed of a spring and a convex buckle, etc. Under the limiting action of the elastic locking mechanism, the middle tube 9 can be fixed in the position after lifting or lowering.

[0026] For the preferred structure of the direction control mechanism 3, please refer to Figure 1 The direction control mechanism 3 includes a handle body 30, which is fixed to the upper end of the middle tube 9. Both ends of the handle body 30 are provided with flippable and foldable auxiliary handles 31.

[0027] Furthermore, two buttons 32 for controlling the rotation direction and speed of the travel driving wheel 5 are provided on the rear side of the handle body 30. The rotation direction refers to the forward or backward direction of the travel driving wheel 5.

[0028] In the above structure, the auxiliary handles 31 on both sides of the handle body 30 can be flipped relative to the handle body 30, such as Figure 1 As shown, the auxiliary handles 31 on both sides can be flipped downward to form an inverted U-shaped structure with the handle body 30 for easy storage. In addition, the auxiliary handles 31 on both sides can be flipped outward to form a straight structure with the handle body 30, which can facilitate users to control the direction.

[0029] In order to facilitate pushing and pulling the suitcase, in this embodiment, a pull rod 11 that can be telescopically moved up and down is provided at the rear end of the box body 2. Furthermore, a controller for controlling the telescopic movement of the telescopic electric cylinder 7 is provided on the box body 2.

[0030] On this basis, the present invention also proposes a method for adjusting the length of an electric luggage case, combining Figures 1 to 4As shown, the electric luggage case includes a support 1 and a box body 2, a direction control mechanism 3 is provided at the front end of the support 1, a slide groove 4 is formed at the bottom of the box body 2, the support 1 is arranged in the slide groove 4 and the two slide together front and back, a travel driving wheel 5 is provided at the front end of the support 1, and the travel driving wheel 5 is controlled by the direction control mechanism 3 to operate, two rear wheels 6 are provided at the bottom rear end of the box body 2, a telescopic electric cylinder 7 is provided in the support 1 and is horizontally arranged along the front and rear direction, and the telescopic electric cylinder 7 is connected between the support 1 and the box body 2, and the length adjustment method includes: By controlling the telescopic electric cylinder 7 to telescope, the box 2 is driven to slide forward or backward relative to the support 1 to a target position; The direction control mechanism 3 is operated to drive the travel driving wheel 5 to rotate.

[0031] In the above-mentioned length adjustment method, the telescopic electric cylinder 7 can be controlled in telescopic length by a controller preset on the box body 2, and the travel driving wheel 5 can be controlled in rotation direction and speed by a button 32 provided on the rear side of the handle body 30.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. An electric luggage box, characterized in that: It includes a support and a box body, the front end of the support is provided with a direction control mechanism, the bottom of the box body is formed with a slide groove, the support is arranged in the slide groove and the two are slidably matched front and back, the front end of the support is provided with a travel driving wheel, and the operation of the travel driving wheel is controlled by the direction control mechanism, and two rear wheels are provided at the bottom rear end of the box body, and a telescopic electric cylinder is provided in the support horizontally arranged along the front and rear directions, the telescopic electric cylinder is connected between the support and the box body, and the box body is driven to slide forward or backward relative to the support by the telescopic electric cylinder.

2. The electric luggage case according to claim 1, characterized in that: The rear end base of the telescopic electric cylinder is connected to the box body, and the front end telescopic shaft of the telescopic electric cylinder is connected to the support.

3. The electric luggage case according to claim 1, characterized in that: A vertical tube is arranged at the front end of the support, a middle tube which can slide up and down is arranged in the vertical tube, and the direction control mechanism is arranged at the upper end of the middle tube.

4. The electric luggage case according to claim 3, characterized in that: The vertical tube passes through the support and the two are rotatably matched. A front fork is arranged at the lower end of the vertical tube, and the travel driving wheel is arranged in the front fork.

5. The electric luggage case according to claim 3, characterized in that: An elastic locking mechanism for limiting the lifting position of the middle tube is arranged in the vertical tube.

6. The electric luggage case according to claim 1, characterized in that: The direction control mechanism comprises a handle body, the handle body is fixed to the upper end of the middle tube, and both ends of the handle body are provided with flippable and foldable auxiliary handles.

7. The electric luggage case according to claim 6, characterized in that: Two buttons for controlling the rotation direction and rotation speed of the travel drive wheel are arranged on the rear side of the handle body.

8. The electric luggage case according to claim 1, characterized in that: The rear end of the box body is provided with a pull rod which can be telescopically moved up and down.

9. The electric luggage case according to claim 1, characterized in that: The box body is provided with a controller for controlling the telescopic movement of the telescopic electric cylinder.

10. A method for adjusting the length of an electric luggage case, characterized in that: The electric luggage case includes a support and a box body, the front end of the support is provided with a direction control mechanism, the bottom of the box body is formed with a slide groove, the support is arranged in the slide groove and the two slide together front and back, the front end of the support is provided with a travel drive wheel, and the travel drive wheel is controlled by the direction control mechanism, the bottom rear end of the box body is provided with two rear wheels, the support is provided with a telescopic electric cylinder horizontally arranged along the front and rear direction, the telescopic electric cylinder is connected between the support and the box body, and the length adjustment method includes: By controlling the telescopic electric cylinder to move telescopically, the box is driven to slide forward or backward relative to the support to a target position; The direction control mechanism is operated to drive the travel driving wheel to rotate.

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