Intelligent electric luggage case

Abstract

The utility model discloses an intelligent electric luggage case, which belongs to the field of luggage cases and comprises a case body, a telescopic rod slidably mounted on the case body, a handle rod and a front wheel mounted at the front end of the telescopic rod, a rear wheel mounted at the bottom of the case body through a rear wheel seat, and a double-output-shaft motor, output shafts at two ends of the double-output-shaft motor are connected with lead screws; the telescopic rod and the rear wheel seat are in threaded connection with lead screws at the two ends of the double-output-shaft motor respectively. According to the intelligent electric luggage case, the double-output-shaft motor is arranged in the case body, front-back synchronous electric stretching and retracting of the telescopic rod and the rear wheel seat are achieved in a threaded connection mode, compared with an existing electric luggage case, the distance between the front wheel and the rear wheel is further increased, and the controllability of the electric luggage case is improved.

Description

Technical Field

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

[0002] The electric luggage case is improved on the basis of the traditional luggage case so that it can be ridden to reduce the burden of carrying the luggage case. However, the inventor found in the research process of this application that the rear wheels of the existing electric luggage case are fixed and only the front wheels can be extended forward and backward, but due to the short extension stroke of the front wheels, the wheelbase between the front and rear wheels cannot be fully extended, and thus the maneuverability of the electric luggage case is not effectively improved. Utility Model Content

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

[0004] An intelligent electric suitcase comprises a case body, a telescopic rod slidably mounted on the case body, a handlebar and a front wheel mounted on the front end of the telescopic rod, a rear wheel mounted on the bottom of the case body via a rear wheel seat, and a double-axle motor, wherein the output shafts at both ends of the double-axle motor are connected with lead screws, and the telescopic rod and the rear wheel seat are respectively threadedly connected to the lead screws at both ends of the double-axle motor.

[0005] Furthermore, the output shaft of the dual-output shaft motor toward the front side of the box body is connected to a first screw, and the first screw extends toward the front side of the box body, and the output shaft of the dual-output shaft motor toward the rear side of the box body is connected to a second screw, and the second screw extends toward the rear side of the box body, the telescopic rod is threadedly connected to the first screw through a rotating connecting piece, and the rear wheel seat is threadedly connected to the second screw through a rotating connecting piece.

[0006] Furthermore, the output shaft of the double-shaft motor toward the front side of the box body is connected to a first lead screw, the first lead screw is located on one side of the double-shaft motor and extends toward the rear side of the box body, the output shaft of the double-shaft motor toward the rear side of the box body is connected to a second lead screw, the second lead screw is located on the other side of the double-shaft motor and extends toward the front side of the box body, the telescopic rod is threadedly connected to the second lead screw through a rotating connecting piece, and the rear wheel seat is threadedly connected to the first lead screw through a rotating connecting piece.

[0007] Furthermore, the output shafts at both ends of the dual-output shaft motor are connected to a first gear, and the ends of the first screw and the second screw are provided with a second gear adapted to the first gear, and the dual-output shaft motor is rotationally connected to the first screw and the second screw by meshing the first gear with the second gear.

[0008] Furthermore, a screw seat is provided inside the box body, one end of the screw is connected to the double-output shaft motor, and the other end is installed on the screw seat.

[0009] Furthermore, the handle bar comprises a fixed bar and a lifting bar, and the lifting bar is slidably mounted on the upper portion of the fixed bar and can slide along the length direction of the fixed bar.

[0010] Furthermore, a battery and a battery slot are provided at the rear of the box, and the battery is detachably installed in the battery slot.

[0011] It can be seen from the above technical solution that the smart electric suitcase provided by the present application realizes the front and rear synchronous electric extension and retraction of the telescopic rod and the rear wheel seat by arranging a dual-axle motor inside the suitcase body, and uses a threaded connection method. Compared with the existing electric suitcases, the front and rear wheelbase is further increased, and the maneuverability of the electric suitcase is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A front perspective view of the smart electric luggage provided for this application;

[0013] Figure 2 A rear perspective view of the smart electric luggage provided for this application;

[0014] Figure 3 A schematic diagram of the interior of the smart electric luggage provided in this application;

[0015] Figure 4 A schematic diagram of a first embodiment of connecting a dual-axle motor with a telescopic rod and a rear wheel seat in the smart electric luggage case provided by the present application;

[0016] Figure 5 A three-dimensional diagram of the telescopic rod in the first embodiment in which the double-axle motor is connected to the telescopic rod and the rear wheel seat;

[0017] Figure 6 A three-dimensional diagram of the rear wheel seat in the first embodiment in which the double-axle motor is connected to the telescopic rod and the rear wheel seat;

[0018] Figure 7 A schematic diagram of a double-axle motor in a first embodiment in which the double-axle motor is connected to a telescopic rod and a rear wheel seat;

[0019] Figure 8 A schematic diagram of a second embodiment of the connection between a double-axle motor, a telescopic rod, and a rear wheel seat in the smart electric luggage case provided in the present application;

[0020] Fig. 9 A schematic diagram of the connection between the double-axle motor and the telescopic rod in the second embodiment in which the double-axle motor is connected to the telescopic rod and the rear wheel seat;

[0021] Fig.10 A schematic diagram of the connection between the double-axle motor and the rear wheel seat in the second embodiment in which the double-axle motor is connected to the telescopic rod and the rear wheel seat;

[0022] Fig.11 A three-dimensional diagram of the box body of the smart electric suitcase provided in this application;

[0023] Fig.12 A three-dimensional view of the front baffle of the smart electric suitcase provided in this application.

[0024] Wherein: 10-box, 101-telescopic rod, 102-handle rod, 103-front wheel, 104-rear wheel seat, 105-rear wheel, 106-double-output shaft motor, 107-first screw, 108-rotating connecting piece, 109-second screw, 110-first gear, 111-second gear, 112-screw seat, 113-fixing rod, 114-lifting rod, 115-handle, 116-control component, 117-speed control handle, 118-brake handle, 119-controller, 120-opening, 121-front baffle, 122-jack, 123-slide rail, 124-groove, 125-battery, 126-battery slot, 127-pedal, 128-rear pull rod. DETAILED DESCRIPTION

[0025] The specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings, but are not intended to limit the scope of protection of the present invention. The terms "front", "rear", "left", "right", "upper", "lower", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only intended to facilitate the description of the present invention and simplify the description, rather than indicating or implying 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 chronological relationship between specific orders.

[0026] See also Figure 1 and Figure 4 A smart electric suitcase includes a box body 10, a telescopic rod 101 slidably mounted on the box body 10, a handle bar 102 and a front wheel 103 mounted on the front end of the telescopic rod 101, a rear wheel 105 mounted on the bottom of the box body 10 through a rear wheel seat 104, and a double-axle motor 106 installed in the box body 10. The front wheel 103 adopts a hub motor wheel, and the output shafts at both ends of the double-axle motor 106 are connected with a lead screw. The telescopic rod 101 and the rear wheel seat 104 are respectively threadedly connected to the lead screws at both ends of the double-axle motor 106. When the output shafts at both ends of the double-axle motor 106 drive the lead screw to rotate, the telescopic rod 101 and the rear wheel seat 104 threadedly connected to the lead screw will move forward and backward relative to the lead screw, thereby realizing the front and rear electric telescopic movement of the front wheel 103 and the rear wheel 105.

[0027] The present application provides the following two implementations of threaded connection between the double-axle motor 106 and the telescopic rod 101 and the rear wheel seat 104:

[0028] See also Figures 4 to 7 , the first embodiment: the output shaft of the double-output shaft motor 106 toward the front side of the box body 10 is connected with a first screw 107, the first screw 107 extends toward the front side of the box body 10, the outer circumference of the first screw 107 is provided with an external thread, the telescopic rod 101 is installed with a rotating connecting piece 108, the end of the rotating connecting piece 108 is provided with an internal thread adapted to the external thread, and the first screw 107 is threadedly connected to the telescopic rod 101 by inserting the internal thread of the rotating connecting piece 108; the output shaft of the double-output shaft motor 106 toward the rear side of the box body 10 is connected with a second screw 109, the second screw 109 extends toward the rear side of the box body 10, the outer circumference of the second screw 109 is provided with an external thread, the rear wheel seat 104 is installed with a rotating connecting piece 108, the end of the rotating connecting piece 108 is provided with an internal thread adapted to the external thread, and the second screw 109 is threadedly connected to the rear wheel seat 104 by inserting the internal thread of the rotating connecting piece 108.

[0029] See also Figures 8 to 10 , the second embodiment: the output shaft of the double-output shaft motor 106 toward the front side of the box body 10 is connected to the first screw 107, the first screw 107 is located on one side of the double-output shaft motor 106 and extends toward the rear side of the box body 10, the outer periphery of the first screw 107 is provided with an external thread, the rear wheel seat 104 is installed with a rotating connecting member 108, the end of the rotating connecting member 108 is provided with an internal thread adapted to the external thread, and the first screw 107 is inserted into the internal thread of the rotating connecting member 108 to achieve the screw connection with the rear wheel seat 104 The output shaft of the double-shaft motor 106 toward the rear side of the box body 10 is connected with a second lead screw 109, which is located at the other side of the double-shaft motor 106 and extends toward the front side of the box body 10. The outer periphery of the second lead screw 109 is provided with an external thread, and the telescopic rod 101 is installed with a rotating connector 108, and the end of the rotating connector 108 is provided with an internal thread that matches the external thread. The second lead screw 109 is threadedly connected with the telescopic rod 101 by inserting the internal thread of the rotating connector 108. Specifically, the output shafts at both ends of the double-shaft motor 106 are connected with a first gear 110, and the ends of the first lead screw 107 and the second lead screw 109 are provided with a second gear 111 that matches the first gear 110. The double-shaft motor 106 is rotatably connected with the first lead screw 107 and the second lead screw 109 through the meshing of the first gear 110 and the second gear 111.

[0030] The difference between the first embodiment and the second embodiment is that the installation positions of the first lead screw 107 and the second lead screw 109 are different. In the first embodiment, the first lead screw 107 and the second lead screw 109 are installed at the two output ends of the double-output shaft motor 106. In the second embodiment, the first lead screw 107 and the second lead screw 109 are located on both sides of the double-output shaft motor 106 and are connected to the output ends of the double-output shaft motor 106 through the cooperation of the first gear 110 and the second gear 111. Compared with the first embodiment, the second embodiment increases the length of the first lead screw 107 and the second lead screw 109, thereby increasing the travel length of the telescopic rod 101 and the rear wheel seat 104.

[0031] See also Figures 1 to 4 A screw seat 112 is provided inside the box body 10. One end of the screw is connected to the double-shaft motor 106, and the other end is installed on the screw seat 112 to realize the overall installation of the screw. The handle bar 102 includes a fixed rod 113 and a lifting rod 114. The lifting rod 114 is slidably installed on the upper part of the fixed rod 113 and can slide along the length direction of the fixed rod 113. A handle 115 is provided on the upper part of the lifting rod 114. The handle 115 is provided with a control component 116 for controlling the wheel of the hub motor to move forward or backward. The control component 116 includes a speed control handle 117 and a brake handle 118. The speed control handle 117 and the brake handle 118 can both rotate in a circumferential direction. The speed control handle 117 and the brake handle 118 are both provided with a force-applying member that allows the thumb to press or move. A controller 119 is installed inside the box, and the speed control knob 117 and the brake knob 118 are both connected to the controller 119. When the user operates the control component 116, the speed control knob 117 or the brake knob 118 is driven to rotate circumferentially by pressing the corresponding force applying member with the thumb, so as to realize the speed control and electronic brake of the electric suitcase. The speed regulator of the speed control knob 117 is a potentiometer or a Hall sensor.

[0032] See also Fig.11 and Fig.12 The front of the box body 10 is provided with an opening 120, and a front baffle 121 is installed at the opening 120. The upper part of the front baffle 121 is provided with a socket 122 for the telescopic rod 101 to pass through, and a slide rail 123 providing a sliding guide for the telescopic rod 101. The lower part of the front baffle 121 is provided with a groove 124, and the groove 124 is adapted to the front wheel 103. When the telescopic rod 101 is in a retracted state, the front wheel 103 is located in the groove 124. The slide rail 123 is arranged at the socket 122 and is integrally formed with the front baffle 121. When the telescopic rod 101 passes through the socket 122, it is inserted into the slide rail 123 at the same time.

[0033] See also Figure 2A battery 125 and a battery slot 126 are provided at the rear of the box 10, and the battery 125 is detachably installed in the battery slot 126. Pedals 127 are provided on both sides of the front wheel 103, which can provide foot support for the user when riding to improve the riding comfort of the user; a rear pull rod 128 is provided at the rear of the box 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 pull rod 128 is pulled out to push and pull the suitcase.

[0034] 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, those skilled in the art should understand 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 intelligent electric luggage box, characterized in that: The invention comprises a box body, a telescopic rod slidably mounted on the box body, a handle bar and a front wheel mounted on the front end of the telescopic rod, a rear wheel mounted on the bottom of the box body through a rear wheel seat, and a double-axle motor, wherein the output shafts at both ends of the double-axle motor are connected with lead screws, and the telescopic rod and the rear wheel seat are respectively threadedly connected with the lead screws at both ends of the double-axle motor.

2. The intelligent electric luggage case according to claim 1, characterized in that: The output shaft of the double-output shaft motor toward the front side of the box body is connected to a first screw, and the first screw extends toward the front side of the box body. The output shaft of the double-output shaft motor toward the rear side of the box body is connected to a second screw, and the second screw extends toward the rear side of the box body. The telescopic rod is threadedly connected to the first screw through a rotating connecting piece, and the rear wheel seat is threadedly connected to the second screw through a rotating connecting piece.

3. The intelligent electric luggage case according to claim 1, characterized in that: The output shaft of the double-output shaft motor toward the front side of the box body is connected to a first lead screw, the first lead screw is located on one side of the double-output shaft motor and extends toward the rear side of the box body, the output shaft of the double-output shaft motor toward the rear side of the box body is connected to a second lead screw, the second lead screw is located on the other side of the double-output shaft motor and extends toward the front side of the box body, the telescopic rod is threadedly connected to the second lead screw through a rotating connecting piece, and the rear wheel seat is threadedly connected to the first lead screw through a rotating connecting piece.

4. The intelligent electric luggage case according to claim 3, characterized in that: The output shafts at both ends of the double-output shaft motor are connected to the first gear, and the ends of the first screw and the second screw are provided with second gears adapted to the first gear. The double-output shaft motor is rotationally connected with the first screw and the second screw by meshing the first gear with the second gear.

5. The smart electric luggage according to any one of claims 1 to 4, characterized in that: A screw seat is arranged inside the box body, one end of the screw is connected to the double-output shaft motor, and the other end is installed on the screw seat.

6. The intelligent electric luggage case according to claim 1, characterized in that: The handle bar comprises a fixed bar and a lifting bar, wherein the lifting bar is slidably mounted on the upper part of the fixed bar and can slide along the length direction of the fixed bar.

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

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