Electric luggage case

Abstract

The utility model relates to the technical field of electric luggage cases. The electric luggage case comprises a case body assembly, the case body assembly comprises a case body and an electric telescopic mechanism, the electric telescopic mechanism comprises a telescopic push plate, a telescopic guide box, a motor assembly and a lead screw driving mechanism, the telescopic push plate comprises a flat plate section and a wheel cover section, and the flat plate section of the telescopic push plate is inserted into a guide inner cavity of the telescopic guide box; the telescopic guide box is installed at the bottom of the box body, the motor assembly drives the flat plate section to extend out of the box body through the lead screw driving mechanism, the wheel cover section is in a C shape and covers the rear side of the front wheel, the upper end of the wheel cover section is rotatably connected with the front handlebar assembly, and the lower end of the wheel cover section is located at the front end of the flat plate section. The electric telescopic mechanism has the advantages that the electric telescopic mechanism is flat in overall structure and small in occupied height space, meanwhile, the position of the electric telescopic mechanism in the box body can be lowered through the wheel cover section on the front portion of the telescopic push plate, the electric telescopic mechanism can be attached to the bottom of the box body to be installed, and the available space in the box body is effectively enlarged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric suitcase technical field. BACKGROUND

[0002] In the prior art, the electric suitcase includes a front handlebar assembly and a box assembly, the bottom of the front handlebar assembly has a front wheel, the front handlebar assembly is rotatably installed at the front of the box assembly for steering of the front wheel, the box assembly includes a box, a rear wheel at the bottom of the box and an electric telescopic mechanism inside the box, the electric telescopic mechanism includes a sleeve, a telescopic rod and an electric push rod, the sleeve is fixed inside the box, the telescopic rod is installed in the sleeve and can slide relative to the sleeve to extend out of the box, the front handlebar assembly is rotatably installed at the front end of the telescopic rod, the motor end of the electric push rod is fixed with the box, and the telescopic end of the electric push rod is inserted into the telescopic rod for driving the telescopic rod to extend and retract.

[0003] The prior art has the following technical problems:

[0004] 1. The electric telescopic mechanism is suspended below the box, and the space below the electric telescopic mechanism cannot be utilized, resulting in small available space in the box.

[0005] 2. The sleeve has a short length, and has poor guiding effect on the telescopic rod, resulting in the defect of shaking of the telescopic rod after extension. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problems that the prior art electric telescopic mechanism occupies large space in the box, resulting in small available space in the box.

[0007] The utility model adopts the technical scheme that an electric suitcase includes a front handlebar assembly and a box assembly, the bottom of the front handlebar assembly has a front wheel, the front handlebar assembly is rotatably installed at the front of the box assembly for steering of the front wheel, the box assembly includes a box and an electric telescopic mechanism, the electric telescopic mechanism includes a telescopic push plate, a telescopic guide box, a motor assembly and a screw rod driving mechanism, the telescopic push plate includes a flat plate section and a wheel cover section, the flat plate section of the telescopic push plate is inserted into the guide inner cavity of the telescopic guide box, the telescopic guide box is installed at the bottom of the box, the motor assembly drives the flat plate section of the telescopic push plate to extend out of the box through the screw rod driving mechanism, the wheel cover section is C-shaped, the wheel cover section covers the rear side of the front wheel, the upper end of the wheel cover section is rotatably connected with the front handlebar assembly, and the lower end of the wheel cover section is located at the front end of the flat plate section of the telescopic push plate.

[0008] In some embodiments, optionally, the telescopic guide box is divided into an upper cover and a base arranged in upper and lower positions, the base is installed at the bottom of the box body, the upper cover covers the base, the motor assembly is installed at the rear end of the base, limit switches are installed at the front and rear ends of the base respectively, the bottom of the flat plate section of the telescopic push plate has a pressing part for pressing the limit switch, the screw rod driving mechanism comprises a screw rod and a nut sleeved on the screw rod, the rear end of the screw rod is installed on the output end of the motor assembly, the nut is installed at the rear end of the telescopic push plate, the bottom of the telescopic push plate has a recess for accommodating the screw rod, and the screw rod extends into the telescopic push plate through the recess.

[0009] In some embodiments, optionally, the lower part of the telescopic push plate is a reinforcing rib structure.

[0010] In some embodiments, optionally, the front part of the box body has an opening, a front baffle is installed on the opening, the front baffle is concave towards the inside of the box body, when the electric telescopic mechanism is in the retracted state, the rear part of the wheel cover section and the front wheel is embedded in the concave space of the front baffle, the front baffle has an opening, the opening of the front baffle is aligned with the front opening of the inner cavity of the telescopic guide box and is spliced together, and the flat plate section of the telescopic push plate extends out of the box body through the opening of the front baffle.

[0011] In some embodiments, optionally, the wheel cover section of the telescopic push plate has a foot pedal on both sides.

[0012] In some embodiments, optionally, the foot pedal is a foldable foot pedal.

[0013] The electric telescopic structure is flat in overall structure, occupies a small height space, and at the same time, the position of the electric telescopic mechanism in the box body can be lowered through the wheel cover section at the front of the telescopic push plate, so that the electric telescopic mechanism can be installed close to the bottom of the box body, thereby effectively increasing the available space in the box body; meanwhile, the telescopic guide of the electric telescopic mechanism is reliable and has little shaking; in addition, the foot pedal is reasonably arranged, the user's foot on the foot pedal will not interfere with the steering of the front handle assembly, and because the foot pedal will not swing with the steering of the front wheel, the user's foot on the foot pedal is more comfortable. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further described below in combination with the drawings and embodiments;

[0015] Figure 1 It is a structure schematic view of the electric luggage case in the storage state of the utility model;

[0016] Figure 2 It is a structure schematic view of the electric luggage case in the riding state of the utility model;

[0017] Figure 3 It is a structure schematic view of the inner cavity of the box body of the electric luggage case of the utility model;

[0018] Figure 4 It is the perspective view structure schematic diagram of the electric telescopic mechanism of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the front baffle of the utility model;

[0020] Figure 6 It is the structure schematic diagram of the motor assembly and the limit switch being installed on the base through the mounting bracket of the utility model;

[0021] Figure 7 It is the overhead view structure schematic diagram of the electric telescopic mechanism of the utility model;

[0022] Figure 8 It is the B-B sectional view of Figure 7 ;

[0023] Figure 9 It is the C-C sectional view of Figure 7 .

[0024] In the drawing, 1. front handle assembly, 2. front wheel, 3. box body, 4. telescopic push plate, 4-1. flat plate section, 4-2. wheel cover section, 5. telescopic guide box, 5-1. base, 5-2. upper cover, 6. motor assembly, 7. mounting bracket, 8. limit switch, 9. pressing part, 10. screw rod, 11. nut, 12. front baffle, 12-1. front baffle opening, 13. foot pedal, 14. rear wheel. DETAILED DESCRIPTION

[0025] As shown in Figures 1-9 , an electric luggage case includes a front handle assembly 1 and a box body assembly, the bottom of the front handle assembly 1 has a front wheel 2, the front handle assembly 1 is rotatably installed in front of the box body assembly for steering of the front wheel 2, the box body assembly includes a box body 3 and an electric telescopic mechanism, the electric telescopic mechanism includes a telescopic push plate 4, a telescopic guide box 5, a motor assembly 6 and a screw rod driving mechanism, the telescopic push plate 4 includes a flat plate section 4-1 and a wheel cover section 4-2, the flat plate section 4-1 of the telescopic push plate 4 is inserted and installed in a guide inner cavity of the telescopic guide box 5, the telescopic guide box 5 is installed at the bottom of the box body 3, the motor assembly 6 drives the flat plate section 4-1 of the telescopic push plate 4 to extend out of the box body 3 through the screw rod driving mechanism, the wheel cover section 4-2 is C-shaped, the wheel cover section 4-2 covers the rear side of the front wheel 2, the upper end of the wheel cover section 4-2 is rotatably connected with the front handle assembly 1, and the lower end of the wheel cover section 4-2 is located at the front end of the flat plate section 4-1 of the telescopic push plate 4.

[0026] The bottom of the box body 3 has two rear wheels 14.

[0027] The telescopic guide box 5 is divided into an upper cover 5-2 and a base 5-1 arranged in an upper and lower manner, the base 5-1 is installed at the bottom of the box body 3, and the upper cover 5-2 covers the base 5-1, as shown inFigure 6 As shown, the motor assembly 6 is installed at the rear end of the base 5-1 through the mounting bracket 7, the front and rear ends of the base 5-1 are respectively installed with the limit switches 8 through the mounting bracket 7, the bottom of the telescopic push plate 4 has a recess for the limit switch 8, the bottom of the flat plate segment 4-1 of the telescopic push plate 4 has a pressing part 9 for pressing the limit switch 8, the screw rod driving mechanism includes a screw rod 10 and a nut 11 sleeved on the screw rod 10, the rear end of the screw rod 10 is installed on the output end of the motor assembly 6, the nut 11 is installed at the rear end of the telescopic push plate 4, the bottom of the telescopic push plate 4 has a recess for the screw rod 10, and the screw rod 10 extends into the telescopic push plate 4 through the recess.

[0028] The lower part of the telescopic push plate 4 is a reinforcing rib structure. The reinforcing rib structure can save materials and reduce weight while ensuring the strength of the telescopic push plate 4, and the recess structure of the reinforcing rib structure can also serve as a recess for the limit switch 8 and the screw rod 10.

[0029] The front part of the box body 3 has a box opening, and the front baffle 12 is installed on the box opening. The front baffle 12 is concave inwardly into the box body 3. When the electric telescopic mechanism is in the retracted state, the rear part of the wheel cover segment 4-2 and the front wheel 2 is embedded in the concave space of the front baffle 12. The front baffle 12 has a front baffle opening 12-1. The front baffle opening 12-1 on the front baffle 12 is aligned with the front opening of the inner cavity of the telescopic guide box 5 and is spliced together. The flat plate segment 4-1 of the telescopic push plate 4 extends out of the box body 3 through the front baffle opening 12-1.

[0030] The wheel cover segment 4-2 of the telescopic push plate 4 has foot pedals 13 on both sides.

[0031] The foot pedal 13 is a foldable foot pedal.

[0032] When the user needs to ride the electric luggage case, the motor assembly is controlled to rotate forward, the motor assembly 6 drives the telescopic push plate 4 to extend out through the screw rod driving mechanism, when the pressing part 9 on the telescopic push plate 4 presses the limit switch 8 at the front end, the motor assembly stops rotating, the telescopic push plate 4 extends to the position, the front handlebar assembly 1 is away from the box body 3, the user sits on the box body 3, and the feet are stepped on the foot pedals 13. When the electric luggage case needs to be stored, the motor assembly is controlled to rotate reversely, the motor assembly 6 drives the telescopic push plate 4 to retract through the screw rod driving mechanism, when the pressing part 9 on the telescopic push plate 4 presses the limit switch 8 at the rear end, the motor assembly stops rotating, the telescopic push plate 4 retracts to the position, and the front handlebar assembly 1 is attached to the box body 3, thereby completing the storage.

Claims

1. An electrically powered luggage case comprising a front handle assembly (1) having a front wheel (2) at its bottom and a case assembly, the front handle assembly (1) being rotatably mounted in front of the case assembly for steering of the front wheel (2), characterized in that: The box assembly comprises a box (3) and an electric telescopic mechanism, the electric telescopic mechanism comprises a telescopic push plate (4), a telescopic guide box (5), a motor assembly (6) and a screw rod driving mechanism, the telescopic push plate (4) comprises a flat plate section (4-1) and a wheel cover section (4-2), the flat plate section (4-1) of the telescopic push plate (4) is inserted into the guide inner cavity of the telescopic guide box (5), the telescopic guide box (5) is installed at the bottom of the box (3), the motor assembly (6) drives the flat plate section (4-1) of the telescopic push plate (4) to extend out of the box (3) through the screw rod driving mechanism, the wheel cover section (4-2) is C-shaped, the wheel cover section (4-2) covers the rear side of the front wheel (2), the upper end of the wheel cover section (4-2) is rotatably connected with the front handle assembly (1), and the lower end of the wheel cover section (4-2) is located at the front end of the flat plate section (4-1) of the telescopic push plate (4).

2. The motorized luggage case of claim 1, wherein: The telescopic guide box (5) is divided into an upper cover (5-2) and a base (5-1) arranged in an upper-lower mode, the base (5-1) is installed at the bottom of the box (3), the upper cover (5-2) covers the base (5-1), the motor assembly (6) is installed at the rear end of the base (5-1), the front and rear ends of the base (5-1) are respectively provided with limit switches (8), the bottom of the flat plate section (4-1) of the telescopic push plate (4) is provided with a pressing part (9) for pressing the limit switch (8), the screw rod driving mechanism comprises a screw rod (10) and a nut (11) sleeved on the screw rod (10), the rear end of the screw rod (10) is installed on the output end of the motor assembly (6), the nut (11) is installed at the rear end of the telescopic push plate (4), the bottom of the telescopic push plate (4) is provided with a recess for accommodating the screw rod (10), and the screw rod (10) extends into the telescopic push plate (4) through the recess.

3. The motorized luggage case of claim 1, wherein: The lower part of the telescopic push plate (4) is in a reinforcing rib structure.

4. The motorized luggage case of claim 1, wherein: The front part of the box (3) is provided with a box opening, the box opening is provided with a front baffle (12), the front baffle (12) is concave to the inside of the box (3), when the electric telescopic mechanism is in a retracted state, the wheel cover section (4-2) and the rear part of the front wheel (2) are embedded in the concave space of the front baffle (12), the front baffle (12) is provided with a front baffle opening (12-1), the front baffle opening (12-1) of the front baffle (12) is aligned with the front opening of the inner cavity of the telescopic guide box (5) and is combined together, and the flat plate section (4-1) of the telescopic push plate (4) extends out of the box (3) through the front baffle opening (12-1).

5. The motorized luggage case of claim 1, wherein: The wheel cover section (4-2) of the telescopic push plate (4) is provided with foot pedals (13) on both sides.

6. The motorized luggage case of claim 5, wherein: The foot pedal (13) is a foldable foot pedal.

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