Luggage case with liftable power wheels

Abstract

The utility model provides a luggage case with a liftable power wheel, the luggage case comprises a case body, the power wheel, a plurality of driven wheels and a plurality of elastic parts, the case body is used for accommodating luggage; the power wheel is arranged at the bottom of the box body and can rotate to drive the box body to move; the driven wheels are all arranged at the bottom of the box body, and the power wheel is located between every two adjacent driven wheels; the elastic pieces are connected between the driven wheels and the box body, and the elastic pieces are elastically compressed so that the bottoms of the driven wheels and the bottoms of the power wheels can be located at the same height. And when the luggage of the user is more, the box body can move on the ground under the driving of the power wheels, so that the burden of the user is reduced compared with the situation that the user pulls the luggage, and the travel of the user is facilitated.

Description

Technical Field

[0001] The present application relates to the field of luggage cases, and in particular to a luggage case with power wheels that can be raised and lowered. Background Art

[0002] In the related art, the bottom of the suitcase has four universal wheels, and the suitcase is moved by pulling the suitcase to roll the universal wheels. However, when there are many pieces of luggage, the heavier suitcase causes a heavier burden on the user. Utility Model Content

[0003] In view of this, it is necessary to provide a luggage case with power wheels that can be raised and lowered and can automatically drive the case to move to reduce the burden on the user.

[0004] In one embodiment of the present application, a suitcase is provided, comprising a case body, a powered wheel, a plurality of driven wheels and a plurality of elastic members, wherein the case body is used to accommodate luggage; the powered wheel is disposed at the bottom of the case body, and the powered wheel can rotate to drive the case body to move; a plurality of driven wheels are disposed at the bottom of the case body, and the powered wheel is located between two adjacent driven wheels; an elastic member is connected between each driven wheel and the case body, and the elastic compression of the elastic member causes the bottom of the driven wheel and the bottom of the powered wheel to be at the same height.

[0005] In the above suitcase, after the luggage of the user is accommodated in the case, the weight of the case causes the elastic member to be elastically compressed, the power wheel and the driven wheel both contact the ground, the power wheel rotates to drive the case to move, and the driven wheel supports the case and rolls on the ground with the movement of the case. Therefore, when the user has a lot of luggage, the case can move on the ground driven by the power wheel, which reduces the burden of the user compared to the user pulling the suitcase, and facilitates the user's travel.

[0006] In some embodiments, there are four driven wheels, which are distributed in a rectangular shape at the bottom of the box, and each driven wheel is connected to a corner of the box.

[0007] In some embodiments, the power wheel is located at the center of the box in the width direction of the box.

[0008] In some embodiments, in the length direction of the box, the power wheel is close to two of the driven wheels.

[0009] In some embodiments, the elastic member is a spring, the driven wheel is connected to a guide rod, the elastic member is sleeved on the guide rod, and the guide rod is slidably connected to the box to guide the elastic member to move along the height direction of the box.

[0010] In some embodiments, a limit block is provided on the guide rod, and the limit block is used to abut against the bottom of the box body when the elastic member is elastically compressed.

[0011] In some embodiments, the stopper is ring-shaped.

[0012] In some embodiments, the powered wheel is a motor wheel.

[0013] In some embodiments, the driven wheel is a universal wheel.

[0014] In some embodiments, the suitcase further includes an armrest, which is connected to a side of the suitcase body close to the power wheel and passes through the top of the suitcase body in the height direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the structure of a suitcase in one embodiment of the present application.

[0016] Figure 2 for Figure 1 Front view of the medium luggage compartment.

[0017] Figure 3 for Figure 1 Side view of the medium luggage compartment.

[0018] Figure 4 for Figure 3 A partial schematic diagram of the middle luggage compartment.

[0019] Main component symbols

[0020] 100. Suitcase;

[0021] 10. Box body; 11-magnetic attraction member; 20. power wheel; 30. driven wheel; 31. guide rod; 311. limit block;

[0022] 40. elastic member; 50. armrest; 60. footrest;

[0023] X, width direction; Y, length direction; Z, height direction. DETAILED DESCRIPTION

[0024] The technical solution of the present application will be described below in conjunction with the drawings in the implementation modes of the present application. Obviously, the described implementation modes are only part of the implementation modes of the present application, rather than all the implementation modes.

[0025] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0026] In addition, the term "perpendicular" is used to describe an ideal state between two components. In actual production or use, the two components may be approximately perpendicular to each other. The two components described as "perpendicular" may not be absolutely straight lines or planes, but may be roughly straight lines or planes. From a macroscopic point of view, the components can be considered "straight lines" or "planes" if the overall extension direction is a straight line or a plane.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0028] The bottom of the suitcase has four universal wheels, and the universal wheels are rolled by pulling the suitcase to drive the suitcase to move. However, when there are many luggages, the heavier suitcase causes a heavier burden to the user.

[0029] In view of this, it is necessary to provide a powered wheel liftable suitcase that can automatically drive the case to move to reduce the burden on users. The suitcase includes a case, a powered wheel, a plurality of driven wheels, and a plurality of elastic members. The case is used to accommodate luggage; the powered wheel is arranged at the bottom of the case, and the powered wheel can rotate to drive the case to move; a plurality of driven wheels are arranged at the bottom of the case, and the powered wheel is located between two adjacent driven wheels; an elastic member is connected between each driven wheel and the case, and the elastic member is elastically compressed so that the bottom of the driven wheel and the bottom of the powered wheel are at the same height.

[0030] In the above suitcase, after the luggage of the user is accommodated in the case, the weight of the case causes the elastic member to be elastically compressed, the power wheel and the driven wheel both contact the ground, the power wheel rotates to drive the case to move, and the driven wheel supports the case and rolls on the ground with the movement of the case. Therefore, when the user has a lot of luggage, the case can move on the ground driven by the power wheel, which reduces the burden of the user compared to the user pulling the suitcase, and facilitates the user's travel.

[0031] Some embodiments of the present application are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] See also Figures 1 to 3In some embodiments, the luggage case 100 includes a case 10, a power wheel 20, a plurality of driven wheels 30, and a plurality of elastic members 40. The case 10 is used to accommodate luggage. The power wheel 20 is disposed at the bottom of the case 10, and the power wheel 20 can rotate to drive the case 10 to move. The plurality of driven wheels 30 are disposed at the bottom of the case 10, and the power wheel 20 is located between two adjacent driven wheels 30 to support the case 10 and roll with the movement of the case 10. An elastic member 40 is connected between each driven wheel 30 and the case 10, and the elastic member 40 is elastically compressed so that the bottom of the driven wheel 30 is at the same height as the bottom of the power wheel 20. When the case 10 accommodates luggage, the weight of the case 10 causes the elastic member 40 to be elastically compressed, and the driven wheel 30 and the power wheel 20 both contact the ground, the power wheel 20 rotates to drive the case 10 to move, and the driven wheel 30 supports the case 10 and rolls on the ground with the movement of the case 10.

[0033] Therefore, when the user has a lot of luggage, the box body 10 can be moved on the ground driven by the power wheels 20, which reduces the burden on the user compared to the user pulling the suitcase 100 and facilitates the user's travel.

[0034] Through the elastic deformation of the elastic member 40, the power wheel 20 can rise or fall relative to the driven wheel 30, so as to achieve the rise or fall of the power wheel 30 relative to the ground.

[0035] See also Figure 4 In some embodiments, the elastic member 40 is a spring. The driven wheel 30 is connected to a guide rod 31 , the elastic member 40 is sleeved on the guide rod 31 , and the guide rod 31 is slidably connected to the box body 10 to guide the elastic member 40 to move along the height direction of the box body 10 .

[0036] The guide rod 31 limits the moving direction of the elastic member 40 to a height direction parallel to the box body 10. The guide rod 31 guides the movement of the elastic member 40 to prevent the elastic member 40 from shaking during the elastic expansion and contraction process, so that the elastic member 40 and the box body 10 remain stable during the elastic expansion and contraction process, preventing the box body 10 from shaking, thereby improving the stability of the suitcase 100.

[0037] In some embodiments, when there is no luggage in the box 10 or the weight of the box and the luggage does not exceed a preset range, the elastic member 40 is in a normal state, the four driven wheels 30 are in contact with the ground, the power wheel 20 is not in contact with the ground, and the box 10 moves by rolling on the ground with the four driven wheels 30. When the weight of the box 10 and the luggage exceeds a preset range, the elastic member 40 is elastically compressed, the power wheel 20 is in contact with the ground, the power wheel 20 rotates to drive the box 10 to move, and the driven wheel 30 supports the box 10 and rolls on the ground with the movement of the box 10.

[0038] As an illustrative example, the preset range is within 25KG.

[0039] In some embodiments, a stopper 311 is provided on the guide rod 31. The stopper 311 is used to abut the bottom of the box body 10 when the elastic member 40 is elastically compressed. At this time, the bottom of the driven wheel 30 and the bottom of the power wheel 20 are at the same height, and the power wheel 20 contacts the ground.

[0040] The limit block 311 is provided to limit the elastic compression range of the elastic member 40 , thereby preventing the elastic member 40 from being damaged and fatigued due to excessive compression of the elastic member 40 .

[0041] In some embodiments, the stopper 311 is annular and can expand along the outer circumference of the guide rod 31 to better match the shape of the columnar guide rod 31. The stopper 311 can stably abut against the upper end of the elastic member 40.

[0042] See also Figure 2 and Figure 3 In the illustrated embodiment, the height direction is a direction parallel to the Z axis.

[0043] In some embodiments, the power wheel 20 is a motor wheel that can rotate to drive the box 10 to move.

[0044] See also Figure 3 In the illustrated embodiment, the power wheel 20 rotates in a direction parallel to the Y-axis.

[0045] See also Figures 1 to 4 In some embodiments, the driven wheel 30 is a universal wheel. The universal wheel can support the box 10 and roll on the ground as the box 10 moves, so that the box 10 can move stably on the ground.

[0046] In some embodiments, an energy storage component is disposed in the box 10, and the energy storage component can provide a power source for the power wheel 20. As an illustrative example, the energy storage component is a battery.

[0047] See also Figures 1 to 3 In some embodiments, the suitcase 100 further includes an armrest 50. The armrest 50 passes through the top of the case 10 in the height direction, making it convenient for the user to pull the suitcase 100 and control the moving direction of the suitcase 100. When in use, the user holds the armrest 50, the power wheel 20 drives the case 10 to move, and the driven wheel 30 supports the case 10 and rolls on the ground as the case 10 moves. The armrest 50 is connected to a side of the case 10 close to the power wheel 20, so that the armrest 50 and the power wheel 20 are located in the front when the suitcase 100 moves, so that the user can control the moving direction of the suitcase 100.

[0048] In some embodiments, the top of the box 10 can also carry a user, and the armrest 50 passes between the legs of the user, so that the suitcase 100 drives the user to move, saving the user's physical strength. It is understandable that when the user takes the child out, putting the child on the top of the box 10 greatly reduces the burden on the user.

[0049] See also Figure 2 and Figure 3 In some embodiments, the armrest 50 can drive the power wheel 20 to rotate in a direction parallel to the Z-axis, thereby changing the orientation of the power wheel 20 and changing the moving direction of the suitcase 100.

[0050] In some embodiments, the armrest 50 is coaxially connected to the power wheel 20 to drive the power wheel 20 to rotate in a direction parallel to the Z axis.

[0051] In some embodiments, the armrest 50 is connected to the power wheel 20 via a connecting structure, so that the rotation of the armrest 50 drives the direction of the power wheel 20 to change.

[0052] In some embodiments, the luggage case 100 further includes two pedals. The two pedals are disposed on opposite sides of the width direction of the case 10. The pedals are used to place the user's feet when the user sits on the case 10, so as to improve the user's experience.

[0053] See also Figure 3 In the illustrated embodiment, the width direction of the box body 10 is parallel to the Y axis.

[0054] See also Figures 1 to 3 In some embodiments, the pedal is rotatably connected to the box 10. A magnetic member 11 is provided on the box 10. The magnetic member 11 is used to absorb the pedal when the pedal rotates toward the box 10 to retract the pedal.

[0055] In some embodiments, the pedal is made of magnetic material, the magnetic element 11 is a magnet, and the magnetic element 11 magnetically absorbs the pedal.

[0056] In some embodiments, there are four driven wheels 30. The four driven wheels 30 are distributed in a rectangular shape at the bottom of the box body 10. Each driven wheel 30 is connected to the corner of the box body 10.

[0057] The four driven wheels 30 can stably support the box body 10 to prevent the box body 10 from tilting.

[0058] In some embodiments, the power wheel 20 is located at the center of the case 10 in the width direction of the case 10 to improve the stability of the case 10 and make the suitcase 100 more stable during movement.

[0059] In some embodiments, in the length direction of the case 10, the power wheel 20 is close to two of the driven wheels 30. It can be understood that the power wheel 20 is close to the two driven wheels 30 located in the front when the suitcase 100 moves, so that the power wheel 20 drives the case 10 to move, and the power wheel 20 and the other two power wheels 20 form a triangular structure to improve the stability of the suitcase 100.

[0060] See also Figure 2 and Figure 3 In the illustrated embodiment, the length direction of the box 10 is parallel to the X-axis, wherein the X-axis is perpendicular to the Y-axis, and the X-axis and the Y-axis are perpendicular to the Z-axis.

[0061] In addition, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application and are not intended to be limiting of the present application. As long as they are within the spirit and scope of the present application, appropriate changes and modifications to the above embodiments are within the scope of the present application.

Claims

1. A luggage case with powered wheels that can be raised and lowered, characterized in that: include: A box body for accommodating luggage; A power wheel is arranged at the bottom of the box body, and the power wheel can rotate to drive the box body to move; A plurality of driven wheels are arranged at the bottom of the box, and the power wheel is located between two adjacent driven wheels; A plurality of elastic members are provided, each of which is connected between the driven wheel and the box body, and the elastic members are elastically compressed so that the bottom of the driven wheel and the bottom of the power wheel are at the same height.

2. The luggage case according to claim 1, characterized in that: There are four driven wheels, which are distributed in a rectangular shape at the bottom of the box, and each driven wheel is connected to a corner of the box.

3. The luggage case according to claim 2, characterized in that: In the width direction of the box body, the power wheel is located at the center of the box body.

4. The luggage case according to claim 2, characterized in that: In the length direction of the box body, the power wheel is close to two of the driven wheels.

5. The luggage case according to any one of claims 1 to 4, characterized in that: The elastic member is a spring, the driven wheel is connected with a guide rod, the elastic member is sleeved on the guide rod, and the guide rod is slidably connected to the box body to guide the elastic member to move along the height direction of the box body.

6. The luggage case according to claim 5, characterized in that: A limit block is provided on the guide rod, and the limit block is used to abut against the bottom of the box body when the elastic member is elastically compressed.

7. The luggage case according to claim 6, characterized in that: The limiting block is ring-shaped.

8. The luggage case according to claim 6, characterized in that: The power wheel is a motor wheel.

9. The luggage case according to claim 6, characterized in that: The driven wheel is a universal wheel.

10. The luggage case according to claim 5, characterized in that: The luggage case also includes an armrest, which is connected to a side of the case body close to the power wheel and passes through the top of the case body in a height direction.

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