Electric luggage case

By using the combination of driving gears and racks in the electric trunk, the electric telescopic rod is realized, which solves the problems of high production costs and complex assembly processes of existing electric trunks, achieving lower cost and simpler assembly processes, and improving user comfort.

CN119699751APending Publication Date: 2025-03-28CHANGZHOU AIRWHEEL SMART SKY CO LTD
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Patent Information

Application Number
CN202311256775.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing electric trunks have high production costs and complex assembly processes, so they need to design an electric trunk with lower cost and simpler assembly.

Method used

The combination of the driving gear and rack is used to drive the rack to move horizontally through forward and reverse rotation, and the electric expansion and contraction of the telescopic rod is achieved, simplifying the assembly process and reducing production costs.

Benefits of technology

It greatly reduces production costs, has less noise, is quieter during work, and the assembly process has been greatly simplified, improving user comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electric luggage case, and belongs to the field of luggage cases, the electric luggage case comprises a case body, a battery, a controller, a slide rail arranged in the case body, a telescopic rod mounted on the slide rail and capable of sliding along the slide rail to extend out of the case body, and a driver used for driving the telescopic rod to slide, and the bottom of the telescopic rod is provided with a rack; a driving gear matched with the rack is arranged at the output end of the driver, and the driver drives the rack to transversely move through forward rotation and reverse rotation and drives the telescopic rod to stretch out and draw back. Electric stretching and retracting of the telescopic rod are achieved through cooperation of the driving gear and the rack, the production cost is greatly reduced, meanwhile, noise generated by the driving gear and the rack is smaller, the telescopic rod is more quiet during working, and in addition, the assembly technology is greatly simplified.
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Description

Technical Field

[0001] The present application relates to the field of luggage cases, and in particular to an electric luggage case. Background Art

[0002] The electric luggage is improved on the basis of the traditional luggage so that it can be ridden to reduce the burden of carrying the luggage, such as the electric luggage disclosed in Chinese patent application number CN202120992641.5. However, the inventor found in the research process of this application that the production cost of the existing electric luggage is relatively high. For example, the cost of the electric push rod used to drive the handle to extend and retract is hundreds of yuan, and the assembly process is relatively complicated. Therefore, it is necessary to design an electric luggage. Summary of the invention

[0003] The present application provides an electric suitcase to solve the problems raised in the background technology.

[0004] An electric suitcase comprises a case, a battery, a controller, a slide rail arranged inside the case, a telescopic rod installed on the slide rail and capable of sliding along the slide rail and protruding out of the case, and a driver for driving the telescopic rod to slide, wherein a rack is provided at the bottom of the telescopic rod, and a driving gear matched with the rack is provided at the output end of the driver, and the driver drives the rack to move laterally through forward and reverse rotation, and drives the telescopic rod to extend and retract.

[0005] Preferably, the front end of the telescopic rod is connected to a front handle rod and a front wheel, the front part of the box body is provided with an opening, a front baffle is installed at the opening, the upper part of the front baffle is provided with a socket for the telescopic rod to pass through, and the lower part of the front baffle is provided with a groove, the groove is adapted to the front wheel, and when the telescopic rod is in a retracted state, the front wheel is located in the groove.

[0006] Preferably, the slide rail and the driver are both mounted and fixed on a side of the front baffle close to the interior of the box.

[0007] Preferably, the rack is detachably mounted on the bottom of the telescopic rod.

[0008] Preferably, a dovetail slider is provided at the bottom of the telescopic rod, a dovetail groove adapted to the dovetail slider is provided on the back of the rack, and the rack is installed and fixed by inserting the dovetail slider into the dovetail groove.

[0009] Preferably, the box body is provided with a guide column arranged along the front-rear direction of the box body, the telescopic rod is provided with a guide groove matched with the guide column, the telescopic rod is sleeved on the guide column through the guide groove, and can slide along the guide column.

[0010] Preferably, the front handlebar includes a fixed rod and a lifting rod, the front wheel is installed at the bottom of the fixed rod, the lower part of the fixed rod is rotatably connected to the front end of the telescopic rod, the lifting rod is slidably installed on the upper part of the fixed rod and can slide up and down along the fixed rod and be positioned and fixed, and when the lifting rod rotates, it drives the fixed rod and the front wheel to rotate to achieve steering.

[0011] Preferably, a battery slot is provided at the rear of the box body, and the battery is detachably installed in the battery slot.

[0012] It can be seen from the above technical solution that the electric suitcase provided by the present application utilizes the cooperation of the driving gear and the rack to realize the electric extension and retraction of the telescopic rod, which greatly reduces the production cost. At the same time, the driving gear and the rack generate less noise and are quieter when working. In addition, the assembly process has also been greatly simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A side view of the electric luggage case provided for this application;

[0014] Figure 2 A rear perspective view of the electric luggage case provided for this application;

[0015] Figure 3 A front perspective view of the electric luggage case provided for this application;

[0016] Figure 4 A schematic diagram of the internal structure of the electric luggage case provided for this application;

[0017] Figure 5 A perspective view of the outer side of the front baffle in the electric luggage box provided in this application;

[0018] Figure 6 A three-dimensional view of the inner side of the front baffle in the electric luggage box provided for this application;

[0019] Figure 7 A schematic diagram of the position of the shaft hole in the electric luggage box provided in this application;

[0020] Figure 8 A schematic diagram of the installation of the driver, the driving gear and the front baffle in the electric luggage box provided in this application;

[0021] Fig. 9 A schematic diagram of the installation of the telescopic rod and the rack in the electric luggage case provided in this application;

[0022] Fig.10 A side view of a telescopic rod in the electric luggage case provided for the present application;

[0023] Fig.11 A side view of a rack in an electric luggage case provided for this application;

[0024] Fig.12 A schematic diagram of the installation of the telescopic rod, rack, front baffle, driver and driving gear in the electric luggage case provided in the present application;

[0025] Fig.13 A schematic diagram of the installation of the guide column and the box body in the electric luggage box provided in this application;

[0026] Fig.14 A schematic diagram of the installation of the guide column and the telescopic rod in the electric luggage box provided in this application;

[0027] Fig.15 This is a schematic diagram of the electric suitcase provided in this application with the front handle bar extended.

[0028] Wherein: 10-box, 101-slide rail, 102-telescopic rod, 103-driver, 104-front handle bar, 105-front wheel, 106-rack, 107-driving gear, 108-opening, 109-front baffle, 110-jack, 111-groove, 112-mounting seat, 113-gear groove, 114-axis hole, 115-dovetail slider, 116-dovetail groove, 117-guide column, 118-guide groove, 119-base, 120-rear wheel, 121-battery slot, 122-control component, 123-speed control handle, 124-brake handle, 125-fixing rod, 126-lifting rod, 127-pedal, 128-rear handle bar, 129-power switch, 130-control switch, 20-battery, 30-controller. DETAILED DESCRIPTION

[0029] The specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, but the scope of protection of the present invention is not limited. The directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used to simplify the textual description to distinguish similar objects, and cannot be understood as a sequence relationship between specific orders.

[0030] See also Figures 1 to 4 , Fig.12The present application provides an electric suitcase, comprising a case 10, a battery 20, a controller 30, a slide rail 101 arranged inside the case, a telescopic rod 102 installed on the slide rail 101 and capable of sliding along the slide rail 101 and protruding out of the case 10, and a driver 103 for driving the telescopic rod 102 to slide; a front handle bar 104 and a front wheel 105 are connected to the front end of the telescopic rod 102, and the front wheel 105 is driven to rotate by rotating the front handle bar 104, thereby achieving steering; a rack 106 is provided at the bottom of the telescopic rod 102, and a driving gear 107 matched with the rack 106 is provided at the output end of the driver 103, and the driver 103 drives the rack 106 to move laterally by forward and reverse rotation, and drives the telescopic rod 102 to extend and retract. Through the above design, the present application utilizes the cooperation of the driving gear 107 and the rack 106 to realize the electric extension and retraction of the telescopic rod 102. At present, the cost price of the electric push rod on the market is hundreds of yuan, while the cost price of the driving gear and the rack is only about ten yuan, which greatly reduces the production cost. At the same time, the noise generated by the driving gear and the rack is smaller, and it is quieter when working, which greatly improves the user's comfort. In addition, the production and assembly process has also been greatly simplified.

[0031] See also Figure 3 and Fig.13 The front of the box body 10 is provided with an opening 108, and a front baffle 109 is installed at the opening 108. The upper part of the front baffle 109 is provided with a socket 110 for the telescopic rod 102 to pass through, and the lower part of the front baffle 109 is provided with a groove 111, which is adapted to the front wheel 105. When the telescopic rod 102 is in a retracted state, the front wheel 105 is located in the groove 111. Through the above design, the front baffle 109 can effectively resist the splashing sewage and mud generated when the front wheel 105 rolls, and the design of the groove 111 can facilitate the storage of the front wheel 105, reduce the space occupied by the entire electric luggage case, and improve the overall aesthetics of the electric luggage case.

[0032] See also Figures 5 to 8 Furthermore, the slide rail 101 and the driver 103 are both installed and fixed on a side of the front baffle 109 close to the inside of the box body 10. The slide rail 101 is fixedly installed on the front baffle 109, or is integrally formed with the front baffle 109. The front baffle 109 is provided with a mounting seat 112 for mounting the driver 103, and a gear groove 113 for accommodating the driving gear 107. The mounting seat 112 and the gear groove 113 are connected through an axial hole 114. The driver 102 is installed and fixed in the mounting seat 112, and its output shaft passes through the axial hole 114 to be connected with the driving gear 107.

[0033] See also Figures 9 to 11The rack 106 is detachably mounted on the bottom of the telescopic rod 102; a dovetail slider 115 is provided at the bottom of the telescopic rod 102, and a dovetail groove 116 adapted to the dovetail slider 115 is provided on the back of the rack 106, and the rack 106 is inserted into the dovetail groove 116 through the dovetail slider 115 to achieve installation and fixation. Through the above design, the cooperation of the dovetail groove 116 and the dovetail slider 115 can make the rack 106 detachable and easy to assemble and disassemble, and can greatly improve the tightness of the connection between the rack 106 and the telescopic rod 102, ensure the synchronization of the movement of the rack 106 and the telescopic rod 102, and can drive the telescopic rod 102 to extend and retract more accurately, effectively and smoothly.

[0034] See also Fig.13 and Fig.14 A guide column 117 is provided inside the box body 10 along the front-rear direction of the box body 10. The guide column 117 is installed and fixed to the rear side of the box body 10 through a base 119. The telescopic rod 102 is provided with a guide groove 118 adapted to the guide column 117. The telescopic rod 102 is sleeved on the guide column 117 through the guide groove 118 and can slide along the guide column 117. By providing the guide column 117, on the one hand, a guide can be provided for the telescopic movement direction of the telescopic rod 102 to prevent the movement angle from being offset. On the other hand, better support can be provided for the telescopic rod 102, thereby improving the compression resistance and stability of the telescopic rod 102.

[0035] See also Figure 2 Two rear wheels 120 are provided at the rear side of the bottom of the box body 10, and a battery slot 121 is provided at the rear of the box body 10. The battery 20 can be detachably installed in the battery slot 121. Through this design, when the battery is exhausted or damaged, the user can remove, replace and install the battery at any time, which greatly improves the convenience of user use; the front wheel 105 and / or the two rear wheels 120 use hub motor wheels to drive the electric suitcase to move; the front handle bar 104 is provided with a control component 122 for controlling the hub motor wheel to move forward or backward, and the control component 122, the hub motor wheel, the driver 103 and the battery 20 are all connected to the controller 30.

[0036] See also Figure 2 The control component 122 includes a speed control knob 123 and a brake knob 124. Both the speed control knob 123 and the brake knob 124 can rotate in a circular direction. Both the speed control knob 123 and the brake knob 124 are provided with a force-applying member that can be pressed or toggled by a thumb. The speed control knob 123 and the brake knob 124 are connected to the controller 30 through a wire. When the user operates the control component 122, the speed control knob 123 or the brake knob 124 can be rotated in a circular direction by pressing the force-applying member with the corresponding thumb to realize the speed control and electronic braking of the electric luggage case. The speed regulator of the speed control knob 123 is a potentiometer or a Hall sensor.

[0037] Through the above design, the user can sit on the upper part of the box body 10, the driver 103 pushes the telescopic rod 102, the front handle rod 104 and the front wheel 105 to extend outward, and the user operates the control component 122, the control component 122 converts the user's operation instructions into electrical signals and transmits them to the controller 30, and the controller 30 controls the wheel hub motor to rotate to start riding; when not riding, the driver 103 pulls the telescopic rod 102, the front handle rod 104 and the front wheel 105 back to achieve storage, which greatly improves the convenience of carrying the suitcase when traveling.

[0038] Preferably, the front baffle 109 is made of plastic material, which reduces the overall weight of the electric luggage while ensuring the overall structural strength of the electric luggage, so that it is more convenient to carry. In addition, the electric luggage provided by the present application can also reduce the overall size of the electric luggage without changing the overall structure, and reduce the weight to meet the boarding requirements.

[0039] See also Figure 3 The front handlebar 104 includes a fixed rod 125 and a lifting rod 126. The front wheel 105 is installed at the bottom of the fixed rod 125. The lower part of the fixed rod 125 is rotatably connected to the front end of the telescopic rod 102. The lifting rod 126 is slidably installed on the upper part of the fixed rod 125 and can slide up and down along the fixed rod 125 and be positioned and fixed. When the lifting rod 126 rotates, it drives the fixed rod 125 and the front wheel 105 to rotate to achieve steering. The lifting rod 126 can be lifted up and down along the fixed rod 125 and positioned and fixed in a way that can be a lock. The user can loosen and tighten the lifting rod 126 by pulling the folding handle; it can also be a buckle. The user can press the lifting button to drive the buckle out of the limit hole, and the lifting rod 126 can be lifted and slid. When the buckle is embedded in the limit hole, the lifting rod 126 is positioned and fixed. This application does not specifically limit the way in which the lifting rod 126 is lifted up and down and positioned and fixed. Through the above design, the user can adjust the height of the lifting rod 126 to achieve the best riding posture, thereby improving the user's experience.

[0040] See also Figure 2 , pedals 127 are provided on both sides of the front wheel 105, which can provide foot support for the user when riding, so as to improve the riding comfort of the user; a rear handle bar 128 is provided at the rear of the box body 10, and the user can choose between riding the suitcase and pushing and pulling the suitcase. When the user does not want to ride, the rear handle bar 128 can be pulled out to push and pull the suitcase; a power switch 129 and a control switch 130 for controlling the extension and retraction of the telescopic rod are provided on the side of the box body 10, and the power switch 129 and the control switch 130 are both connected to the controller 30. Through the above design, the power switch 129 and the control switch 130 can realize the automatic control of the electric suitcase, greatly improving the user experience.

[0041] See also Figure 1 and Fig.15 The use process of the electric suitcase provided by the present application is as follows: when the user chooses to ride the electric suitcase, the power switch 129 is turned on, and the control switch 130 is operated to control the driver 103 to rotate, thereby driving the telescopic rod 102, the front handle rod 104 and the front wheel 105 to extend outward. At this time, the user can freely adjust the extension length of the telescopic rod 102. After the telescopic rod 102 is extended, the user sits on the upper part of the box body 10 and places both feet on the pedals 127. The electric suitcase can be moved forward or backward by manually operating the control component 122, and the steering of the electric suitcase can be achieved by rotating the front handle rod 104; when the user chooses to push or pull the electric suitcase, the control switch 130 is operated to control the driver 103 to rotate in the opposite direction, and pull the telescopic rod 102, the front handle rod 104 and the front wheel 105 to retract inward. At this time, the front wheel 105 is stored in the groove 111, and then the power switch 129 is turned off, and the rear handle rod 128 is pulled out, and the electric suitcase can be pushed or pulled.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Therefore, although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present invention can still be modified or replaced by equivalents. All technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An electric luggage box, characterized in that: The utility model comprises a box body, a battery, a controller, a slide rail arranged inside the box body, a telescopic rod installed on the slide rail and capable of sliding along the slide rail and protruding out of the box body, and a driver for driving the telescopic rod to slide. A rack is arranged at the bottom of the telescopic rod, and a driving gear matched with the rack is arranged at the output end of the driver. The driver drives the rack to move laterally through forward and reverse rotation, and drives the telescopic rod to extend and retract.

2. The electric luggage case according to claim 1, characterized in that: The front end of the telescopic rod is connected to a front handle bar and a front wheel, the front part of the box body is provided with an opening, a front baffle is installed at the opening, an insertion hole for the telescopic rod to pass through is provided at the upper part of the front baffle, a groove is provided at the lower part of the front baffle, the groove is adapted to the front wheel, and when the telescopic rod is in a retracted state, the front wheel is located in the groove.

3. The electric luggage case according to claim 2, characterized in that: The slide rail and the driver are both installed and fixed on one side of the front baffle plate close to the inside of the box body.

4. The electric luggage case according to claim 1, characterized in that: The rack is detachably mounted on the bottom of the telescopic rod.

5. The electric luggage case according to claim 4, characterized in that: A dovetail slider is provided at the bottom of the telescopic rod, a dovetail groove matched with the dovetail slider is provided on the back of the rack, and the rack is installed and fixed by inserting the dovetail slider into the dovetail groove.

6. The electric luggage case according to claim 1, characterized in that: The box body is provided with a guide column arranged along the front-rear direction of the box body, the telescopic rod is provided with a guide groove matched with the guide column, the telescopic rod is sleeved on the guide column through the guide groove, and can slide along the guide column.

7. The electric luggage case according to claim 2, characterized in that: The front handlebar includes a fixed rod and a lifting rod, the front wheel is installed at the bottom of the fixed rod, the lower part of the fixed rod is rotatably connected to the front end of the telescopic rod, the lifting rod is slidably installed on the upper part of the fixed rod and can slide up and down along the fixed rod and be positioned and fixed, and when the lifting rod rotates, it drives the fixed rod and the front wheel to rotate to achieve steering.

8. The electric luggage case according to claim 1, characterized in that: A battery slot is provided at the rear of the box body, and the battery is detachably installed in the battery slot.

Citation Information

Patent Citations

  • Electric luggage case

    CN214776331U