Electric steering device and intelligent electric suitcase
By designing an electric drive device in the steering device of the electric suitcase, the electric sliding of the second pipe body is achieved, and the problem of manual lifting and lowering of the existing electric suitcase steering device is solved, and the convenience of use is improved.
Patent Information
- Application Number
- CN202421707337.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The steering device of the existing electric suitcase adopts manual lifting, which causes users to need to frequently operate manually during use, which is inconvenient to use.
An electric steering device is designed, including a first pipe body and a second pipe body. An electric driving device is provided inside the first pipe body. The electric driving device is connected to the second pipe body to realize the electric sliding of the second pipe body with respect to the first pipe body, and thus realize the electric lifting of the steering device.
The electric lifting and lowering are achieved through the electric drive device, which improves the convenience of use and reduces the user's operating frequency.
Smart Images

Figure CN222751594U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of luggage cases, and in particular to an electric steering device and an intelligent electric travel case. Background Art
[0002] Suitcases, also known as luggage or trolley cases, are boxes that are used to carry items when traveling, such as clothes and daily necessities needed for travel. Electric suitcases are improved on the basis of traditional suitcases, making them rideable to reduce the burden of carrying the suitcases. However, the inventors found in the research process of this application that the steering device of the existing electric suitcases adopts a manual lifting method, which causes users to frequently perform manual lifting operations when using them, which is very inconvenient. Utility Model Content
[0003] The present application provides an electric steering device and an intelligent electric suitcase to solve the problems raised in the background technology.
[0004] An electric steering device comprises a first tube body, a second tube body arranged in the first tube body and slidable relative to the first tube body, an electric drive device is arranged inside the first tube body, the electric drive device is connected to the second tube body and drives the second tube body to slide relative to the first tube body.
[0005] Preferably, the electric drive device is a first electric telescopic push rod.
[0006] Preferably, the bottom of the first tube body is connected to a wheel via a wheel fork, a vertical tube is provided on the upper part of the wheel fork, the vertical tube is inserted into the first tube body and fixedly connected to the first tube body, one end of the first electric telescopic push rod extends into the vertical tube and is connected to the wheel fork, and the other end is connected to the second tube body.
[0007] Preferably, a first cavity and a second cavity are provided inside the second tube body, a third cavity adapted to the first cavity and a fourth cavity adapted to the second cavity are provided inside the first tube body, and the electric drive device is arranged in the third cavity and extends into the first cavity to be connected to the second tube body.
[0008] Preferably, a steering handle and an operation control unit installed on the steering handle are provided on the upper portion of the second tube body, and an external signal line of the operation control unit is arranged in the second cavity and the fourth cavity.
[0009] A smart electric travel case comprises a sit-on case body and the electric steering device described above.
[0010] Preferably, the box includes a controller, a slide rail fixed inside the box, a telescopic rod installed on the slide rail and able to slide along the slide rail and protrude out of the box, the telescopic rod is rotatably connected to the first tube body, the telescopic rod is a hollow tubular structure and is connected to the first tube body.
[0011] Preferably, a second electric telescopic push rod is provided inside the box body, one end of the second electric telescopic push rod is fixed to the box body, and the other end is connected to the telescopic rod, and the telescopic rod is electrically telescopically extended under the drive of the second electric telescopic push rod.
[0012] Preferably, a battery and a battery slot are provided at the rear of the box, and the battery is detachably installed in the battery slot.
[0013] It can be seen from the above technical solution that the electric steering device and the smart electric suitcase provided by the present application are provided with an electric drive device inside the second tube body, and electric lifting is achieved by using the electric drive device, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A front view of the electric power steering device provided for this application;
[0015] Figure 2 A perspective view of the electric steering device provided for this application;
[0016] Figure 3 A three-dimensional diagram of a wheel fork and a seat tube in the electric steering device provided in the present application;
[0017] Figure 4 A schematic diagram of the connection between the first electric telescopic push rod and the wheel in the electric steering device provided in the present application;
[0018] Figure 5 for Figure 4 A partial enlarged view of the middle A;
[0019] Figure 6 A three-dimensional diagram of an L-shaped connector in the electric steering device provided in the present application;
[0020] Figure 7 A three-dimensional diagram of a first tube body in the electric steering device provided in the present application;
[0021] Figure 8 A three-dimensional diagram of a second tube body in the electric steering device provided in the present application;
[0022] Fig. 9 A schematic diagram of the connection between the first electric telescopic push rod and the second tube body in the electric steering device provided in the present application;
[0023] Fig.10A schematic diagram of the smart electric travel case provided in this application in riding state;
[0024] Fig.11 A rear perspective view of the smart electric travel case provided for this application;
[0025] Fig.12 A schematic diagram of the internal structure of the smart electric travel case provided for this application;
[0026] Fig.13 A front perspective view of the front baffle of the smart electric travel case provided in the present application;
[0027] Fig.14 A rear perspective view of the front baffle of the smart electric travel case provided in the present application;
[0028] Fig.15 A schematic diagram of the opening of the smart electric travel case provided in this application;
[0029] Fig.16 This is a schematic diagram of the smart electric suitcase provided in this application in a non-riding state.
[0030] Wherein: 10-first tube body, 101-tensioning groove, 102-third cavity, 103-fourth cavity, 20-second tube body, 201-first electric telescopic push rod, 202-first cavity, 203-second cavity, 204-steering handle, 205-operation control unit, 206-speed control handle, 207-brake handle, 30-wheel fork, 301-wheel, 302-riser, 303-L-shaped connector, 304-wire outlet, 40-box, 401-rear wheel, 402-controller, 403-slide rail, 404-telescopic rod, 405-second electric telescopic push rod, 406-opening, 407-front baffle, 408-jack, 409-groove, 410-battery, 411-battery slot, 412-rear pull rod, 413-power switch, 414-control switch. DETAILED DESCRIPTION
[0031] 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.
[0032] See also Figure 1 The present application provides an electric steering device, including a first tube body 10, and a second tube body 20 arranged in the first tube body 10 and slidable relative to the first tube body 10. The first tube body 10 and the second tube body 20 are both hollow tubular structures. An electric driving device is provided inside the first tube body 10. The electric driving device is connected to the second tube body 20 and drives the second tube body 20 to slide relative to the first tube body 10, thereby realizing the electric lifting of the steering device.
[0033] See also Figures 2 to 6 The electric driving device is a first electric telescopic push rod 201. Furthermore, the first electric telescopic push rod 201 adopts a pen-type electric telescopic push rod. Since the pen-type electric telescopic push rod has a slender structural feature, it is more suitable for installation inside the first tube body 10. The bottom of the first tube body 10 is connected to a wheel 301 through a wheel fork 30. The wheel 301 adopts a hub motor wheel for providing a mobile power source. The lower part of the wheel fork 30 is connected to the wheel axles on the left and right sides of the wheel 301. The upper part of the wheel fork 30 is provided with a standpipe 302. The standpipe 302 is a hollow tubular structure and is connected to the upper surface of the wheel fork 30. The standpipe 302 is inserted into the first tube body 10 from bottom to top and is fixedly connected to the first tube body 10. Specifically, a tensioning groove 101 is provided on the side of the bottom of the first tube body 10. When the standpipe 302 is inserted into the first tube body 10, the tensioning groove 101 is clamped by bolts to achieve fixed connection between the standpipe 302 and the first tube body 10; one end of the first electric telescopic push rod 201 extends into the standpipe 302 and is fixedly connected to the wheel fork 30, and the other end extends into the first electric telescopic push rod 201. The interior of the second tube body 20 is fixedly connected to the second tube body 20. Specifically, an L-shaped connector 303 is provided between the end of the first electric telescopic push rod 201 close to the vertical pipe 302 and the wheel fork 30. The number of the L-shaped connectors 303 is 2. The long side of the L-shaped connector 303 extends into the interior of the vertical pipe 302 and is fixedly connected to the end of the first electric telescopic push rod 201. The fixed connection method is a bolt connection, and it can also be other connection methods. The short side of the L-shaped connector 303 extends out of the vertical pipe 302 and is fixedly connected to the wheel fork 30. The fixed connection method is also a bolt connection, of course, it can also be other connection methods; the end of the first electric telescopic push rod 201 close to the second tube body 20 extends into the interior of the second tube body 20 and is fixedly connected to the side wall of the second tube body 20 by bolts.
[0034] See also Figures 7 to 9A first cavity 202 and a second cavity 203 are provided inside the second tube body 20, a third cavity 102 adapted to the first cavity 202 and a fourth cavity 103 adapted to the second cavity 203 are provided inside the first tube body 10, the first cavity 202 is inserted into the third cavity 102, the second cavity 203 is inserted into the fourth cavity 103, the electric drive device is arranged in the third cavity 102, and the electric drive device extends into the first cavity 202 of the second tube body 20 and is fixedly connected to the second tube body 20. A steering handle 204 and an operation control unit 205 installed on the steering handle 204 are provided on the upper part of the second tube body 20. The operation control unit 205 is used to control the wheel of the hub motor to move forward or backward. The operation control unit 205 includes a speed control handle 206 and a brake handle 207. The speed control handle 206 and the brake handle 207 can both rotate in a circumferential direction. The speed control handle 206 and the brake handle 207 are both provided with a force-applying member that can be pressed or turned by the thumb. The operation control unit 205 is connected to an external signal line, and the external signal line is arranged in the second cavity 203 and the fourth cavity 103, and is separated from the electric drive device to prevent entanglement. A wire outlet hole 304 is provided on the side wall of the vertical pipe 302, and the wire outlet hole 304 is connected with the second cavity 203 and the fourth cavity 103, so as to facilitate the outlet connection of the external signal line.
[0035] See also Figures 10 to 15 The present application also provides a smart electric travel case, including a saddleable case 40 and the above-mentioned electric steering device. Specifically, a rear wheel 401 is provided at the rear side of the bottom of the case 10, and the wheel 301 in the electric steering device is a power wheel. The rear wheel 401 is driven by the power wheel to realize the forward and backward movement of the electric travel case. A controller 402, a slide rail 403 fixed to the inside of the case 40, and a telescopic rod 404 installed on the slide rail 403 and can slide along the slide rail 403 and protrude out of the case 40 are provided inside the case 40. The telescopic rod 404 is rotatably connected to the first tube body 10. The telescopic rod 404 is a hollow tubular structure and is connected to the vertical tube 302 and the inside of the first tube body 10. The external signal line extends into the telescopic rod 404 from the outlet hole 304, and enters the inside of the case 40 to connect with the controller 402.
[0036] A second electric telescopic push rod 405 is provided inside the box body 40, one end of the second electric telescopic push rod 405 is fixed to the box body 40, and the other end is connected to the telescopic rod 404. The telescopic rod 404 is electrically telescopically extended in the front and rear directions under the drive of the second electric telescopic push rod 405; an opening 406 is provided at the front of the box body 40, and a front baffle 407 is installed at the opening 406. A socket 408 for the telescopic rod 404 to pass through is provided at the upper part of the front baffle 407, and a groove 409 is provided at the lower part of the front baffle 407. The groove 409 is adapted to the wheel 301. When the telescopic rod 404 is in a retracted state, the wheel 301 is located in the groove 409; the slide rail 403 is arranged at the socket 408 and is integrally formed with the front baffle 407.
[0037] See also Fig.10 , Fig.11 and Fig.16 A battery 410 and a battery slot 411 are provided at the rear of the box body 40, and the battery 410 is detachably installed in the battery slot 411; a rear pull rod 412, a power switch 413 and a control switch 414 are also provided at the rear of the box body 40, and the rear pull rod 412 is used for the user to manually push and pull the suitcase in the non-riding state, the power switch 413 and the control switch 414 are both connected to the controller 402, the power switch 413 is used to control the opening and closing of the total power supply of the suitcase, and the control switch 414 is used to control the first electric telescopic push rod 201 and the second electric telescopic push rod 405. When switching to the riding state, the user manipulates the control switch 414, and the second electric telescopic push rod 405 drives the telescopic rod 404 to extend outward, and at the same time, the first electric telescopic push rod 201 drives the second tube 20 to extend upward; when switching to the non-riding state, the user manipulates the control switch 414 again, and the second electric telescopic push rod 405 drives the telescopic rod 404 to retract inward, and at the same time, the first electric telescopic push rod 201 drives the second tube 20 to retract downward.
[0038] 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 electric power steering device, characterized in that: The invention comprises a first tube body and a second tube body which is arranged in the first tube body and can slide relative to the first tube body. An electric driving device is arranged inside the first tube body, and the electric driving device is connected to the second tube body and drives the second tube body to slide relative to the first tube body.
2. The electric power steering device according to claim 1, characterized in that: The electric drive device is a first electric telescopic push rod.
3. The electric power steering device according to claim 2, characterized in that: The bottom of the first tube body is connected to a wheel via a wheel fork, the upper part of the wheel fork is provided with a vertical tube, the vertical tube is inserted into the first tube body and fixedly connected to the first tube body, one end of the first electric telescopic push rod extends into the vertical tube and is connected to the wheel fork, and the other end is connected to the second tube body.
4. The electric power steering device according to claim 1, characterized in that: The second tube body is provided with a first cavity and a second cavity, the first tube body is provided with a third cavity adapted to the first cavity and a fourth cavity adapted to the second cavity, the electric drive device is arranged in the third cavity, extends into the first cavity and is connected to the second tube body.
5. The electric power steering device according to claim 4, characterized in that: A steering handle and an operation control unit installed on the steering handle are provided on the upper portion of the second tube body, and an external signal line of the operation control unit is arranged in the second cavity and the fourth cavity.
6. A smart electric suitcase, characterized in that: It comprises a box body capable of being ridden on and an electric steering device as claimed in any one of claims 1 to 5.
7. The intelligent electric suitcase according to claim 6, characterized in that: The box body includes a controller, a slide rail fixed inside the box body, and a telescopic rod installed on the slide rail and capable of sliding along the slide rail and protruding out of the box body. The telescopic rod is rotatably connected to the first tube body, and the telescopic rod is a hollow tubular structure and is connected to the first tube body.
8. The intelligent electric suitcase according to claim 7, characterized in that: A second electric telescopic push rod is provided inside the box body, one end of the second electric telescopic push rod is fixed to the box body, and the other end is connected to the telescopic rod. The telescopic rod is electrically telescopically extended under the drive of the second electric telescopic push rod.
9. The intelligent electric suitcase according to claim 6, 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.
Citation Information
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