CN216627709U

CN216627709U - Big gyro wheel suitcase

Info

Publication number: CN216627709U
Application number: CN202220069556.6U
Authority: CN
Inventors: 刘朝锋
Original assignee: Guangzhou Military Knife Travel Goods Co ltd
Current assignee: Guangzhou Military Knife Travel Goods Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-31
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a large-roller luggage case which comprises a case body and a pull rod, wherein the front side of the bottom of the case body is provided with a supporting leg, two sides of the case body are provided with a pair of linear rollers, the bottoms of the two sides of the case body are provided with roller grooves, and the linear rollers are rotatably arranged in the roller grooves; the linear roller comprises a hub and a solid tire sleeved outside the hub, and the outer diameter of the solid tire is 100-200 mm; the utility model adopts the roller with larger size to replace the traditional small wheel, has simple structure, stronger bearing capacity, labor saving in pushing and pulling and higher pushing speed; solid tyre adopts TPE rubber material, high elasticity, and is resistant jolting, for adapting unit provides buffering and protection, has prolonged the life of gyro wheel, compares with ordinary plastic gyro wheel, and the stroke is more silent, and experience feels better.

Description

Big gyro wheel suitcase

Technical Field

The utility model relates to the technical field of luggage cases or draw-bar cases, in particular to a luggage case with rollers.

Background

In real life, a luggage case and a draw-bar box with rollers have become one of the necessary tools for people to go out and travel. But because many vehicles impose strict limitations on the dimensions of the luggage case. Therefore, how to maximize the internal capacity of the luggage case in a limited space is a permanent design proposition. Some manufacturers choose to make the size of the wheels smaller to allow the luggage compartment to be freed. At the same time, this improvement brings new problems. The smaller the size of the roller is, the correspondingly precise size of the connecting parts such as the hub, the link rivet, the screw and the like is. On the one hand, the load bearing capacity deteriorates correspondingly, contrary to the design concept that the designer wants to pressurize and pressurize the luggage case. On the other hand, the existing roller wheels are integrally formed by hard plastic materials, are hard to touch the ground, are easy to bump when being dragged and rolled, and are poor in balance, and the more precise the hub and the connecting part are, the more easily the hub and the connecting part are damaged in bumping. And the size of the roller is reduced, the outer circumference is shortened, the pushing speed is slowed down, and inconvenience is brought to a user.

Disclosure of Invention

Aiming at the defects in the existing design, the utility model aims to provide the luggage case which has strong bearing capacity and high pushing speed and does not occupy too much space, and the technical scheme adopted by the utility model is as follows:

a large-roller luggage case comprises a case body and a pull rod, wherein a supporting leg is arranged on the front side of the bottom of the case body, a pair of linear rollers are arranged on two sides of the case body, roller grooves are formed in the bottoms of the two sides of the case body, and the linear rollers are rotatably arranged in the roller grooves; the linear roller comprises a hub and a solid tire sleeved outside the hub, and the outer diameter of the solid tire is 100-200 mm.

Further, the outer diameter of the solid tire is 125-185 mm.

The straight-line type roller is characterized by further comprising a U-shaped connecting frame and a connecting shaft, wherein a mounting hole is formed in the center of the straight-line type roller, the connecting shaft penetrates through the mounting hole, two ends of the connecting shaft are fixedly connected with the inner walls of the two sides of the U-shaped connecting frame, and the U-shaped connecting frame is fixedly mounted in the roller groove.

Furthermore, a connecting plate used for being connected and fixed to the box body is arranged on the U-shaped connecting frame.

Furthermore, the outer surface of the solid tyre is provided with an anti-skid groove.

Further, the solid tyre is made of TPE rubber.

Compared with the prior art, the utility model has the beneficial effects that:

1. the diameter of the roller is large, the bearing capacity is strong, the push-pull is labor-saving, and the pushing speed is high;

2. the roller tire adopts high elasticity, and is wear-resisting, durable TPE rubber material, and elasticity is powerful, when dealing with various highway sections of jolting, for fixing bolt or screw provide better buffering and protection, has prolonged the life of gyro wheel, compares with ordinary plastic gyro wheel, more silence.

3. The roller groove design, the roller laminating box body does not protrude outwards, and the whole body is attractive and large.

4. The design of the anti-skidding groove increases the grip force, avoids skidding and is safer in use.

Drawings

1. FIG. 1 is a side view of an embodiment of the present invention;

2. FIG. 2 is a rear view of an embodiment of the present invention;

3. FIG. 3 is an enlarged view of part A of the present embodiment;

4. FIG. 4 is a side view of the housing of an embodiment of the present invention;

5. FIG. 5 is a cross-sectional view of a roller according to an embodiment of the present invention;

6. FIG. 6 is a side view of a U-shaped connecting bracket according to an embodiment of the present invention;

7. fig. 7 is a perspective view of a U-shaped connecting frame according to an embodiment of the present invention.

Detailed Description

In order that the utility model may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1-7, a luggage case with large rollers according to a preferred embodiment of the present invention includes a case body 1, a pull rod 2, a pair of linear rollers 3, a U-shaped connecting frame 5 and a connecting shaft 6. The linear roller 3 is hereinafter referred to as a roller 3. Supporting legs 4 are arranged on the front side of the bottom of the box body 1, and roller grooves 11 are formed in the two sides of the rear portion of the box body. The linear roller 3 comprises a hub 32 and a solid tire 31 sleeved outside the hub 32, wherein the diameter of the outermost edge of the solid tire 31 is within 100 and 200mm, and preferably 125 and 185 mm.

The central part of the roller 3 is provided with a mounting hole 33, the connecting shaft 6 passes through the mounting hole 33, and two ends of the connecting shaft are fixedly connected with the inner walls of the two sides of the U-shaped connecting frame 5 in a clamping manner or fixed through bolts and screws. The connecting shaft 6 and the mounting hole 33 are in clearance fit. The rollers 3 are positioned in the two sides of the U shape of the U-shaped connecting frame 5 and can rotate around the connecting shaft 6. Preferably, in order to firmly connect the U-shaped connecting frame 5 and the rollers 3 with the box body 1, too much space is not occupied in the box body 1. The U-shaped connecting frame 5 together with the roller 3 is positioned in the roller groove 11, the side surface, the end surface or both of the U-shaped connecting frame extend to form a thin connecting plate 51 which is connected to the box body 1, and preferably, the box body 1 and the connecting plate 51 are fixed by screws. In order to make the whole luggage case square, beautiful and elegant, the width of the U-shaped connecting frame 5 should be equal to or slightly smaller than the depth of the roller groove 11, and in this embodiment, the width of the U-shaped connecting frame 5 is slightly smaller than the depth of the roller groove 11. After the installation is finished, the bottom ends of the rollers 3 slightly protrude out of the bottom of the box body 1, so that the bottom of the box body 1 is prevented from touching the bottom. The dimension of the body of the conventional luggage case above the ground is the sum of the outer diameter of the rollers and the height of the connecting pieces. The case of this embodiment can be lowered to just a small distance above the ground, which is a greater volume than conventional luggage cases.

In order to further improve the grip of the solid tire 31, an anti-slip groove 34 is formed on the outer surface of the solid tire 31.

Solid tyre 31 adopts high elasticity, wear-resisting durable TPE rubber, and it is strong to grab the land fertility, and the antidetonation is resistant falling, compares in ordinary stereoplasm universal wheel, and the stroke process is more silent.

Traditional draw formula suitcase to one side, whole size is the high summary of the connecting piece height of the height of box, the height of wheel and fixing the wheel in the bottom half. To increase the space of the luggage body, the height of the wheels and the connecting elements can only be reduced as much as possible. The suitcase of this embodiment, through on the one hand the wheel size diminishes, and its mounting also can be made relatively meticulous, and when faced the highway section of jolting, the precision part often easily damages, can't use for a long time. In addition, the wheels are small in size, the rotating frequency of the small wheels is greatly higher than that of the large wheels when facing the same stroke, the stroke speed is slower than that of the large wheels, and the experience feeling is poor when the wheel is used. Secondly, when climbing the step, the steamboat often can't exert the auxiliary action, and leads to the box and carry out rigid collision with the step. The height of the step is generally between 10 cm and 20cm, the diameter of the outermost edge of the solid tire 31 of the roller adopted in the embodiment is within 100-200mm, preferably 125-185mm, so that the collision between the box body and the step can be effectively avoided, and the step can be easily climbed.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A large-roller luggage case comprises a case body and a pull rod, wherein the front side of the bottom of the case body is provided with a supporting leg, and two sides of the bottom of the case body are provided with a pair of linear rollers; the linear roller comprises a hub and a solid tire sleeved outside the hub, and the outer diameter of the solid tire is 100-200 mm.

2. The large roller luggage case as claimed in claim 1, wherein the outer diameter of the solid tire is 125 mm and 185 mm.

3. The large-roller luggage case as claimed in any one of claims 1-2, further comprising a U-shaped connecting frame and a connecting shaft, wherein a mounting hole is formed in the center of the linear roller, the connecting shaft passes through the mounting hole, two ends of the connecting shaft are fixedly connected with the inner walls of two sides of the U-shaped connecting frame, and the U-shaped connecting frame is fixedly mounted in the roller groove.

4. The luggage case with large rollers as claimed in claim 3, wherein the U-shaped connecting frame is provided with a connecting plate for connecting and fixing to the luggage case body.

5. The luggage case with large rollers as claimed in claim 3, wherein the solid tyre has an anti-slip groove on its outer surface.

6. The luggage case as claimed in claim 3, wherein the solid tire is made of TPE rubber.