CN215225251U

CN215225251U - Travel draw-bar box

Info

Publication number: CN215225251U
Application number: CN202120171047.XU
Authority: CN
Inventors: 黄克雷
Original assignee: Ruian Hongli Luggage Co ltd
Current assignee: Ruian Hongli Luggage Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-21
Anticipated expiration: 2031-01-21

Abstract

A travel draw-bar box comprises a box body and a drawing rod, wherein side pulleys are installed at the rear side of the box body close to the bottom end, a main pulley is installed at the bottom end of the box body, the sliding direction of the side pulleys is perpendicular to that of the main pulley, a cavity is formed in the box body, a box-drawing handle is installed at the right side and the top end of the box body, two drawing grooves are formed in the rear end of the box body, the drawing rod is installed in each drawing groove, the top ends of the drawing rods are connected through a handle, a zipper is arranged at the side end of the box body, an interlayer is arranged in the inner wall of the front end of the cavity, an air bag is arranged in the interlayer, an inflating device is installed at the bottom end of the cavity and connected with the air bag, a sensor is installed at the rear end of a reaction bag and electrically connected with the sensor, a mechanical electrical switch is installed on the inner wall of the cavity, the sensor is electrically connected with the mechanical electrical switch, and the production cost of the device is greatly reduced, the sliding device has the advantages of firm structure, flexible sliding, strong reliability and high cost performance.

Description

Travel draw-bar box

Technical Field

The utility model relates to a suitcase technical field specifically is a travel draw-bar box.

Background

The draw-bar box is a necessary loading tool for daily travel, can greatly improve the comfort level of travel, and is a luggage case with a draw bar and rollers. Because of its convenient use, it is widely used for traveling and going out, and because the box is provided with a pull rod, the pull rod box has a single-tube pull rod and a double-tube pull rod, the tube of the pull rod has a square tube and a round tube, the suitcase can be dragged by hand or in normal times, the wheels of the suitcase used by people are basically positioned at the bottom of the suitcase, modern people also design a novel draw-bar box, the box is designed into a cylindrical shape, wheels are wholly wrapped outside the box, the roller design enables the draw-bar box to be better suitable for different terrains, for example, the draw-bar box can easily go up and down stairs by directly pulling the box, the draw-bar box mainly takes cloth boxes, ABS hard boxes, leather boxes, PC and the like as main materials in 2012, the usability of the universal wheel draw-bar box can be divided into three categories, namely a directional wheel, a universal wheel and the latest detachable universal wheel draw-bar box.

For example, the patent with the publication number of "CN 201320359139.6" and the patent name of "traveling draw-bar box" comprises a draw-bar box body and a draw bar, wherein a hand brake device is arranged on the draw bar, a brake caster is arranged at the lower part of the draw-bar box, a pull wire of the hand brake device is led to a brake operating lever of the brake caster through the draw bar, a pressure sensor is arranged on the caster, an output signal of the pressure sensor is connected to a signal processing unit, an output of the signal processing unit is connected to a display alarm device, and a power supply is respectively connected with the pressure sensor, the signal processing unit and the display alarm device.

When the device is used, the function is single, the device is not provided with any protection device, is easy to damage, has high maintenance price and is not suitable for the public.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a travel draw-bar box of many pulleys.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a travel draw-bar box comprises a box body and a drawing rod, wherein side pulleys are installed at the rear side of the box body close to the bottom end, a main pulley is installed at the bottom end of the box body, the sliding direction of the side pulleys is perpendicular to that of the main pulley, a cavity is formed in the box body, a waterproof protective pad is installed at the bottom end of the cavity and the lower part of the center of four walls, box-drawing handles are installed at the right side and the top end of the box body, two drawing grooves are formed in the rear end of the box body, the drawing rod is installed in the drawing grooves, the top end of the drawing rod is connected with a handle, a zipper is arranged at the side end of the box body, supporting legs are installed at the right side of the box body, an interlayer is arranged in the inner wall of the front end of the cavity, an airbag is arranged in the interlayer, a clamping plate is arranged at the front end of the interlayer, the clamping plate and the box body are of a separable structure, an inflation device is installed at the bottom end of the cavity, the inflation device is connected with the airbag, a sensor is installed at the rear end of a reaction bag, the air charging device is electrically connected with the sensor, the mechanical electrical switch is installed on the inner wall of the cavity, and the sensor is electrically connected with the mechanical electrical switch.

In order to facilitate the free steering of the box body, the utility model discloses improve to have, and the main pulley is the universal wheel.

In order to conveniently absorb the moisture in the box body, the utility model discloses the improvement has, and cavity right wall center leans on to set up and removes the damp box, remove the interior installation of damp box and remove the damp bag.

In order to prevent the main pulley from obstructing the movement of the side slipping wheel when sliding, the utility model discloses the improvement has, and the plane of sliding of main pulley is higher than the plane of sliding of side slipping wheel.

For the convenience hide pull pole, the utility model discloses improve to have, the box top is provided with the notch by the back, the pull pole inlays and locates in the notch, the notch front side is by last installation magnet.

In order to protect the pull rod not to be damaged better, the utility model discloses the improvement has, and notch bottom rear side sets up that flip is articulated with it, flip other end installation magnet is connected with another magnet magnetism.

For better utilization each pulley, the utility model discloses the improvement has, and the main pulley symmetry sets up four, and the side pulley symmetry on the box bottom surface sets up two.

In order to better protect the safety in the luggage case, the utility model discloses the improvement has, and the side of box is located the zip fastener lower extreme and sets up the trick lock.

(III) advantageous effects

Compared with the prior art, the utility model provides a travel draw-bar box possesses following beneficial effect:

this travel draw-bar box, through the cooperation of main pulley and side pulley for the device has significantly reduced the user when using and has carried the strength of carrying, through the cooperation of zip fastener and trick lock, makes this suitcase strengthen security and protectiveness greatly, the device greatly reduced manufacturing cost, have sound construction, slide nimble, the good reliability, advantage that the price/performance ratio is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a rear view of the structure of the present invention.

In the figure: 1. a box body; 2. a side pulley; 3. a main pulley; 4. a cavity; 5. a waterproof pad; 6. pulling the box handle; 7. drawing the groove; 8. a pull rod; 9. a handle; 10. a moisture removal box; 11. removing moisture in a bag; 12. a recess; 13. a cover is turned; 14. a coded lock; 15. supporting legs; 16. an air bag; 17. an interlayer; 18. clamping a plate; 19. an inflator; 20. a sensor; 21. a mechano-electrical switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a travel draw-bar box comprises a box body 1 and a drawing rod 8, wherein a side pulley 2 is arranged at the rear side of the box body 1 near the bottom end, a main pulley 3 is arranged at the bottom end of the box body 1, the sliding direction of the side pulley 2 is vertical to that of the main pulley 3, a cavity 4 is arranged in the box body 1, a waterproof protective pad 5 is arranged at the bottom end of the cavity 4 and the lower part of the center of the four walls, a drawing handle 6 is arranged at the right side and the top end of the box body 1, two drawing grooves 7 are arranged at the rear end of the box body 1, the drawing rod 8 is arranged in the drawing grooves 7, the top end of the drawing rod 8 is connected with a handle 9, a zipper is arranged at the side end of the box body 1, a supporting leg 15 is arranged at the right side of the box body 1, an interlayer 17 is arranged in the inner wall of the front end of the cavity 4, a safety airbag 16 is arranged in the interlayer 17, a clamping plate 18 is arranged at the front end of the interlayer 17, and the clamping plate 18 and is of the separable structure from the box body 1, an inflation device 19 is installed at the bottom end of the cavity 4, the inflation device 19 is connected with the safety airbag 16, a sensor 20 is installed at the rear end of the reaction package, the inflation device 19 is electrically connected with the sensor 20, a mechanical electrical switch 21 is installed on the inner wall of the cavity 4, and the sensor 20 is electrically connected with the mechanical electrical switch 21.

The main pulley 3 is a universal wheel, which is convenient for the free steering of the box body 1.

The center of the right wall of the cavity 4 is provided with a dehumidifying box 10, and a dehumidifying bag (11) 11 is arranged in the dehumidifying box 10, so that moisture in the box body 1 can be absorbed conveniently.

The sliding plane of the main pulley 3 is higher than that of the side pulley 2, so that the side pulley 2 is prevented from blocking the movement of the main pulley when the main pulley slides.

The top end of the box body 1 is provided with a notch 12 close to the rear, the drawing rod 8 is embedded in the notch 12, and the front side of the notch 12 is provided with a magnet so as to conveniently hide the drawing rod 8.

A flip cover 13 is arranged at the rear side of the bottom end of the notch 12 and hinged with the notch, and a magnet is arranged at the other end of the flip cover 13 and is magnetically connected with another magnet, so that the pull rod is better protected from being damaged.

Four main pulleys 3 are symmetrically arranged, and two side pulleys 2 on the bottom surface of the box body 1 are symmetrically arranged, so that each pulley is better utilized.

The side of the suitcase body 1 is arranged at the lower end of the zipper and is provided with the coded lock 14, so that the safety in the suitcase is better protected.

In conclusion, when the travel draw-bar box is used and slides straightly, the pull-out rod 8 drives the main pulley 3 at the bottom end of the box body 1 to slide, and the side pulley 2 is suspended. If the case body 1 slides obliquely, the side pulleys 2 are pushed after landing, and the main pulley 3 slides in an auxiliary manner, so that the problem that the universal wheels are stuck due to too flexible universal wheels is solved, when the luggage case is opened, a password is input into the password lock 14, the zipper is opened, clothes are put into the luggage case, moisture in the clothes can be absorbed by the moisture removal bag 11 in the moisture removal box 10 on the right side of the luggage case, the waterproof protection pad 5 at the lower end of the case body 1 ensures the safe passing of the case body 1 in a section with water, when the case body 1 receives severe impact, the mechanical electric switch 21 breaks the electric contact, the mechanical electric switch 21 is used for informing the sensor 20 that the impact is generated, the sensor 20 receives a signal from an accelerometer arranged in a microchip, sodium azide (NaN 3) and potassium nitrate (KNO 3) in the inflating device 19 react to generate nitrogen, heat flow formed by the nitrogen can enable the safety airbag 16 to expand rapidly and push the clamping board 18 open, for ejecting the airbag 16 out of the packaging line

Luggage, thereby protecting the contents of the luggage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a travel draw-bar box, includes box (1) and pull rod (8), its characterized in that: the rear side of the box body (1) is close to a bottom mounting side pulley (2), a main pulley (3) is mounted at the bottom of the box body (1), the sliding direction of the side pulley (2) is perpendicular to the sliding direction of the main pulley (3), a cavity (4) is arranged in the box body (1), a waterproof protective pad (5) is mounted at the bottom end of the cavity (4) and the lower part of the center of the four walls, a pull box handle (6) is mounted at the right side and the top end of the box body (1), two pull grooves (7) are arranged at the rear end of the box body (1), a pull rod (8) is mounted in each pull groove (7), the top end of each pull rod (8) is connected with a handle (9), a zipper is arranged at the side end of the box body (1), a supporting leg (15) is mounted at the right side of the box body (1), an interlayer (17) is arranged in the inner wall of the front end of the cavity (4), and an airbag (16) is arranged in the interlayer (17), the safety airbag is characterized in that a clamping plate (18) is arranged at the front end of the interlayer (17), the clamping plate (18) and the box body (1) are of a separable structure, an inflating device (19) is installed at the bottom end of the cavity (4), the inflating device (19) is connected with the safety airbag (16), a sensor (20) is installed at the rear end of the box body, the inflating device (19) is electrically connected with the sensor (20), a mechanical electrical switch (21) is installed on the inner wall of the cavity (4), and the sensor (20) is electrically connected with the mechanical electrical switch (21).

2. The travel draw-bar box of claim 1, wherein: the main pulley (3) is a universal wheel.

3. The travel draw-bar box of claim 1, wherein: the center of the right wall of the cavity (4) is provided with a dehumidifying box (10), and a dehumidifying bag (11) is arranged in the dehumidifying box (10).

4. The travel draw-bar box of claim 1, wherein: the sliding plane of the main pulley (3) is higher than that of the side pulley (2).

5. The travel draw-bar box of claim 1, wherein: a notch (12) is formed in the top end of the box body (1) close to the rear, the drawing rod (8) is embedded in the notch (12), and a magnet is installed on the front side of the notch (12).

6. The travel draw-bar box of claim 5, wherein: a flip cover (13) is arranged on the rear side of the bottom end of the notch (12) and hinged with the notch, and a magnet is installed at the other end of the flip cover (13) and is magnetically connected with another magnet.

7. The travel draw-bar box of claim 1, wherein: four main pulleys (3) are symmetrically arranged, and two side pulleys (2) on the bottom surface of the box body (1) are symmetrically arranged.

8. The travel draw-bar box of claim 1, wherein: the side surface of the box body (1) is positioned at the lower end of the zipper and is provided with a coded lock (14).