CN218605428U

CN218605428U - Climb laborsaving suitcase of stair

Info

Publication number: CN218605428U
Application number: CN202223189104.0U
Authority: CN
Inventors: 李昊凌
Original assignee: Shandong Normal University
Current assignee: Shandong Normal University
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-14
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a luggage case, in particular to a labor-saving luggage case for climbing stairs, which comprises a case body and bearing wheels arranged at the bottom of the case body; the damping box is characterized by also comprising a box body frame movably connected with the box body through a box body sliding groove, wherein more than four damping springs are arranged between the box body frame and a box body bottom plate on the left side of the box body; the middle lower part of the outer side of the box body frame is densely provided with a plurality of ball components, and each ball component comprises a ball sleeve and a ball which is sleeved in the ball sleeve and can rotate. The beneficial effects of this patent are, concrete simple structure, it is with low costs, easily processing, convenient to use usually.

Description

Climb laborsaving suitcase of stair

Technical Field

The utility model relates to a suitcase, concretely relates to climb laborsaving suitcase of stair.

Background

For people carrying heavy objects, the luggage case is very difficult to climb stairs, most of the conventional luggage cases can be convenient to go up and down stairs, and the conventional luggage cases are three rotating wheels or single large rotating wheel type luggage cases, so that the structure is complex, the cost is high, and the weight is large. The people can be very hard when climbing stair, still need bend usually and be stooped, and the people can be very tired, and is generally relatively poor to the universality of different ladders, easily causes great injury to originally province or inside fragile article of suitcase.

For example, chinese patent application No. CN201310415564.7 discloses a luggage case convenient for climbing stairs, wherein the right side of the bottom of the case is provided with three right rollers, the left side of the bottom of the case is provided with three left rollers, the bottom of the luggage case has six wheels, and each three wheels are equivalent to a combination and are in a shape of a Chinese character 'pin'. Every time a step is arranged, three wheels roll upwards in a wheel flow mode. However, the wheels of the luggage case are large, heavy and inconvenient to use in ordinary times.

For example chinese patent application No. CN201510274513.6 discloses a luggage case easy to drag and climb stairs, the lower end of the case body is provided with a universal wheel capable of rotating 360 degrees, the bottom of the case body and the lower part of the inner side surface thereof are provided with friction wheels in the column direction, the upper end of the retractable support is connected with a slider adjuster arranged above the inner side surface of the case body, and the lower end of the retractable support is connected with the lower end of the case body. By adding the pulley device, the luggage case can be directly dragged on the stairs. However, such a suitcase has a complex structure, high cost and heavy weight.

Disclosure of Invention

This patent provides a climb laborsaving suitcase of stair to solve current stair-climbing suitcase structure complicacy, with high costs, the technical problem of ordinary inconvenient use.

The patent is realized by the following measures:

in order to achieve the above object, the utility model adopts the following technical scheme:

the patent discloses a labor-saving luggage case capable of climbing stairs, which comprises a case body and bearing wheels arranged at the bottom of the case body; it is characterized in that: the box body frame is movably connected with the box body through a box body sliding groove, and more than four damping springs are arranged between the box body frame and a box body bottom plate on the left side of the box body; the middle lower part of the outer side of the box body frame is densely provided with a plurality of ball components, and each ball component comprises a ball sleeve and a ball which is sleeved in the ball sleeve and can rotate.

Foretell laborsaving suitcase of climbing stair, in order to more conveniently climb the building: the adjustable pull rod comprises two pull rods which are telescopically slid in the box body frame and a pull rod adjusting rod; the bottom of the pull rod is provided with a fixed pin, two sides of the pull rod are provided with two sliding grooves, and the bottom of each sliding groove is provided with a fixed pin jack; the pull rod adjusting rod is connected to the upper end of the pull rod through an adjusting rod rotating shaft.

Foretell laborsaving suitcase of climbing stair, in order to fix the pull rod: when the pull rod is positioned at the bottom of the sliding groove, the fixing pin is inserted into the fixing pin insertion hole.

Above-mentioned laborsaving suitcase of climbing stair, it is preferred: the rotating shaft of the adjusting rod is perpendicular to the pull rod.

The above-mentioned laborsaving suitcase of climbing stair, in order to fix the spring better: the box frame inboard is provided with spring spud pile 1 the left box bottom plate of box is provided with spring spud pile 2, damping spring connect spring spud pile 1 with between the spring spud pile 2.

The utility model provides a climb suitcase of stair laborsaving, the application method is: the people is when pulling the suitcase and climb stair, pulls out the pull rod, through adjusting the length and the angle that the suitcase was pulled in the pull rod adjustment, can be straight the body and upwards pull along stair, because the roll of the ball at the suitcase back, the suitcase can crawl on stair, can save very big physical power.

The suitcase of this patent is owing to be provided with damping device, and the box atress is even, can guarantee the safety of article in the case, and the pulling process is steady, saves manpower to a certain extent, conveniently carries valuables upstairs.

The suitcase of this patent only sets up the ball cover and overlaps at the box frame outside of suitcase and be in the ball of ball cover internal rotation's ball, simple structure, and processing is convenient, and is with low costs, does not increase the volume of suitcase, is suitable for usual use.

The beneficial effects of this patent are, concrete simple structure, it is with low costs, easily processing, ordinary convenient to use.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present invention.

Fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is an enlarged view of the sectional structure of the ball;

FIG. 4 is a schematic sectional view of the adjustable drawbar;

fig. 5 is a schematic view of a three-dimensional structure of the present invention.

In the figure, a pull rod adjusting rod 1, a pull rod 2, a box body 3, a bearing wheel 4, a damping spring 5, a spring fixing pile 6, a box body frame 7, a spring fixing pile 8, a box body bottom plate 9, a ball sleeve 10, a ball 11, a fixing pin 12, a fixing pin jack 13 and an adjusting rod rotating shaft 14 are arranged.

The specific implementation mode is as follows:

the following describes the present invention with reference to fig. 1-5.

Fig. 1 shows a schematic structural diagram of the present invention, which comprises a box body (3), a box body frame (7), an adjustable pull rod, a damping device, a ball assembly and a bearing wheel (4); as shown in figure 2, the box body (3) and the box body frame (7) are fixed together and movably connected through a box body sliding groove, and the distance between the box body and the box body frame can be adjusted through a damping spring. There is a cavity space between box (3) and box frame (7), is provided with four sets of damping device, is provided with spring fixing pile 1 (6) in the box frame inboard, is provided with spring fixing pile 2 (8) on box bottom plate (9) on the left of box (3), and damping spring fixes and plays the cushioning effect between spring fixing pile 1 (6) and spring fixing pile 2 (8), can protect our suitcase inside article can not damage when climbing stair.

As shown in figures 2 and 3, the ball sleeve (10) is densely distributed on the outer side of the case body frame (7) from the middle position to the bottom, the balls (11) roll in the ball sleeve, and the densely distributed balls (11) roll in contact with the stairs when climbing the stairs, so that the luggage can be pulled easily.

As shown in fig. 4-5, two adjustable pull rods which can be stretched and slid up and down are mounted on the box frame (7), and each adjustable pull rod comprises two pull rods (2), a pull rod adjusting rod (1) and a fixing pin (12); two sliding grooves are arranged on two sides of the pull rod (2), and a fixed pin jack (13) is arranged at the bottom of each sliding groove. The fixing pin (12) is fixed at the bottom of the pull rod (2). When the pull rod (2) is pulled to the bottom of the sliding groove, the fixing pin (12) is inserted into the fixing pin insertion hole (13). When the luggage case is pulled on a normal level road, the pull rod adjusting rod (1) can be fixed, so that people can conveniently pull the luggage case on the level road to walk.

As shown in fig. 5, an adjusting lever rotating shaft (14) is provided at the top of the pull rod, and the pull rod adjusting lever (1) is rotatably engaged with the adjusting lever rotating shaft (14) when being pulled to the top of the sliding groove. When climbing stairs, the pull rod adjusting rod (1) can rotate, so that a person can stand on the body when pulling the suitcase, and the person can be prevented from tired without stooping.

Claims

1. A labor-saving luggage case capable of climbing stairs comprises a case body (3) and bearing wheels (4) arranged at the bottom of the case body; the method is characterized in that: the damping device is characterized by also comprising a box body frame (7) movably connected with the box body (3) through a box body sliding groove, wherein more than four damping springs (5) are arranged between the box body frame (7) and a box body bottom plate (9) on the left side of the box body; the box body frame (7) outside middle and lower part gathers has a plurality of ball subassembly, the ball subassembly includes ball cover (10) and cover ball (11) that can rotate in ball cover (10).

2. The luggage case capable of climbing stairs with less labor according to claim 1, wherein: the adjustable pull rod is arranged in the box body frame (7) and comprises two pull rods (2) which stretch and slide in the box body frame (7) and a pull rod adjusting rod (1); the bottom of the pull rod is provided with a fixed pin (12), two sides of the pull rod (2) are provided with two sliding grooves, and the bottom of each sliding groove is provided with a fixed pin jack (13); the pull rod adjusting rod (1) is connected to the upper end of the pull rod (2) through an adjusting rod rotating shaft (14).

3. The luggage case capable of climbing stairs with less labor according to claim 1, wherein: when the pull rod (2) is positioned at the bottom of the sliding groove, the fixing pin (12) is inserted into the fixing pin insertion hole (13).

4. The luggage case capable of climbing stairs with less labor according to claim 1, wherein: the adjusting rod rotating shaft (14) is perpendicular to the pull rod (2).

5. The labor-saving luggage case for climbing stairs of claim 1, wherein: the box frame (7) inboard is provided with spring spud pile 1 (6) box (3) left box bottom plate (9) is provided with spring spud pile 2 (8), damping spring (5) connect spring spud pile 1 (6) with between the spring spud pile 2 (8).