KR101670603B1

KR101670603B1 - Carrier bag auxiliary wheel

Info

Publication number: KR101670603B1
Application number: KR1020150109284A
Authority: KR
Inventors: 이상훈
Original assignee: 이상훈
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2016-10-28

Abstract

The present invention relates to a secondary wheel for a carrier bag, and more particularly, it relates to a secondary wheel for a carrier bag, which is installed on one side of a travel bag to prevent the bag from being damaged when a staircase or a step is moved and prevents dust and foreign matter from entering the bag when not used. The present invention relates to a new type of auxiliary wheel for a carrier bag which can protect a wheel and can easily move the bag in a cart form using a secondary wheel in the case of a large capacity bag.

Description

Carrier bag auxiliary wheel}

Generally, a bag is a device made to be easy to carry around by putting things in. It is very various according to a portable type, a shape, a size, and a structure. When the bag is classified according to a portable type, A backpack carrying a cargo, and a carrier carrying a wheel on the road surface (a travel bag).

Among the above-mentioned bags, carriers have a wide storage space and wheels, which makes it easy to move during traveling and is very useful when storing objects.

On the other hand, in the conventional bag, a lot of wheels with wheels equipped with wheels for student bags and briefcases are being released in order to improve convenience when moving and to prevent excessive power consumption.

However, in the conventional wheeled bag having the above-described structure, when the wheels are brought into contact with the road surface and the obstacle is present on the road surface such as a step, a threshold, a road boundary jaw, etc., the wheels can not roll well. Therefore, Inconvenience occurs.

In addition, when the road surface is moved in a non-flat state or when the bag is heavy, the weight of the bag is concentrated on the wheels, so that the rotation axis of the wheel easily breaks due to the weight of the bag.

The applicant of the present invention, in an effort to solve the above-mentioned problems, has disclosed a patent registration 10-1454724 (registered on October 20, 2014)

1. A wheel device for a carrier mounted on a rear surface of a carrier,

The wheel device includes:

A housing 10 assembled along the longitudinal direction of both sides of the rear surface of the carrier 1 and having an opening groove 11 formed at an upper portion thereof in an oblique direction;

A wheel 30 provided in the opening groove 11 of the housing 10 and rotatably circumscribed by the rotary shaft 31 of the wheel cover 21 having the same opening direction as the opening direction of the opening groove 11, ;

One end of which is fixed to the wheel cover 21 of the wheel 30 and the other end is fixed to the inclined wall 11a which defines the opening groove 11,

An elastic means (20) for taking an inclined posture from the ground when the carrier (1) stands up; And a plurality of auxiliary wheels (40) formed on an upper portion of the housing (10) and rotatably circumscribed by a plurality of rotating shafts (41) provided in the housing (10)

The elastic means 20 includes a bolt 23 for fastening the central portion of the inclined wall 11a of the opening groove 11 and the central portion of the wheel cover 21 to each other; The bolt 23 is circumscribed and is interposed between the inclined wall 11a and the wheel cover 21 so that one end thereof is in contact with the upper face of the central portion of the wheel cover 21 and the other end is in contact with the bottom face of the inclined wall 11a The carrier (1) is moved in a tilted position to change its posture from a slant posture to a vertical posture when the carrier (1) moves in an inclined posture, thereby providing a buffering action to the wheel (30).

However, the carrier wheel device as described above is characterized in that stairs or steps can be easily climbed during use. However, in a normal use environment, foreign matter enters the inside of a wheel exposed to the outside or rainwater flows into the wheel, .

In addition, since the wheel unit is formed integrally with the carrier, the manufacturing cost of the entire carrier bag is increased, and as a result, the production cost of the bag is increased.

Therefore, it can be installed separately in the carrier bag which is used and sold in the past, so that the cost increase of the carrier bag is prevented, and it is possible to improve the usability by selectively installing the auxiliary wheel according to the usage form of the consumer, It is necessary to provide a sub-carrier of the carrier which can prevent the sub-carrier.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a carrier bag which can be easily installed in a carrier bag used in the past, And it is an object of the present invention to provide a new type of auxiliary wheel for a carrier bag which can prevent damage to a carrier bag or breakage of a wheel.

It is another object of the present invention to provide a new type of auxiliary wheel for a carrier bag which can provide an auxiliary modified movement mode for easily moving various loads.

In order to achieve this object,

According to one embodiment of the auxiliary wheel for a carrier bag of the present invention,

A guide groove 15 formed on the outer side of the body 12 and having a hooking protrusion 16 at the upper and lower portions at one side thereof, (10) comprising a pair of wheel frames (13) in which a plurality of wheels (14) form a natural cloud;

A plurality of rollers 27 formed on both sides of the guide groove 15 of the auxiliary wheel 10 are assembled in such a manner that the rollers 27 can be moved in a rolling manner and the knob grooves 22 and the hinge 24 are rotatably connected And a cover (20) made of a finishing plate (23) whose rotation is controlled by a spring (28).

A gas shock absorber 30 having a lower portion fixed to the body 12 and an engagement groove 32 formed at an end of the upper piston 31 is formed and the engagement groove 32 is inserted into the cover 20, And a connection plate (26) having a groove (25) so that the upper and lower ends of the cover (20) can be additionally controlled.

And an extension groove 151 for extending the upper portion of the guide groove 15 formed in the wheel frame 13 and allowing the roller 27 inserted in the guide groove 15 to be released to the outside .

As described above, the auxiliary wheel for the carrier bag according to the present invention can be easily installed in the carrier bag by separately purchasing the auxiliary wheels, thereby providing various auxiliary functions while minimizing the cost.

That is, it is possible to prevent the bag from being damaged by the auxiliary wheel attached to the side of the carrier bag when the stairs or the steps are moved,

In addition, when the auxiliary wheel is not used, the cover is used to prevent exposure of the auxiliary wheel, thereby preventing foreign matter such as dust from entering into the wheel, so that the auxiliary wheel can be kept clean and free from contamination.

In addition, since the carrier bag can be moved in the form of a cart by providing the auxiliary wheels in the form of a rail on one side of the carrier bag, various loads can be easily moved at a time using the carrier bag.

1 is an exploded perspective view of the auxiliary wheel for a carrier bag according to the present invention;
2 is a front view showing a movement of a cover among auxiliary wheels for a carrier bag according to the present invention;
Fig. 3 is a perspective view of a carrier bag according to the present invention,
4 is a cross-sectional view of the auxiliary wheel for a carrier bag according to the present invention,
5 is a cross-sectional view of the state in which the cover of the auxiliary wheel for the carrier bag according to the present invention is opened and the auxiliary wheels are exposed
6 is a perspective view of the auxiliary wheel of the carrier bag according to the present invention,
7 is a side view showing a state in which the auxiliary wheels for the carrier bag according to the present invention are installed in the carrier bag and moved in the form of a cart.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

2 is a front view showing a movement of a cover among auxiliary wheels for a carrier bag according to the present invention, and FIG. 3 is a front view of the auxiliary wheel for a carrier bag according to the present invention, FIG. 4 is a cross-sectional view of the auxiliary wheel for a carrier bag according to the present invention in a closed state by a cover, FIG. 5 is a perspective view of the auxiliary wheel for a carrier bag according to the present invention, Sectional view of the state in which the auxiliary wheels are exposed.

As shown in the drawing, the auxiliary wheel 100 for a carrier bag according to the present invention includes a pair of auxiliary wheels 10 in the form of a rail attached to one side of the carrier bag 1, And a cover 20 assembled in a movable form.

The auxiliary wheels 10 are provided on both sides of a substantially "day" shaped body 12 having a plurality of assembling holes 11 formed on both sides thereof, and a plurality of wheels 14 are naturally formed in a pair of wheel frames 13 .

A guide groove 15 is formed on the outer side of the wheel frame 13 to cover both sides of the cover 20 so that the guide groove 15 is vertically moved. ) Are integrally formed.

A lower portion of the gas shock absorber 30 in which an engagement groove 32 is formed in the upper piston 31 is integrally formed with the body 10 at a lower portion of the body 10.

The cover 20 is rotatably connected to the housing 21 and the hinge 24 through a handle groove 22 and a finishing plate 23 at the upper portion of the housing 21 in which the one side is opened.

A coupling plate 26 is formed at an inner center portion of the housing 21 and has an engaging groove 25 formed in the engaging groove 32 of the piston 31 and a plurality of rollers 27 are formed at both side edges .

The finishing plate 23 connected to the housing 21 by the hinge 24 is held in a folded state by the spring 28 so that the auxiliary wheel 10 and the cover 20 are engaged with each other, 23 are in close contact with the wheel frame 13.

In the figure, reference numeral 40 denotes a rotation shaft formed in the housing 21, and a roller 27 is connected to the rotation shaft 40 to naturally rotate.

The center of the roller 27 forms a groove 271 so that the guide groove 15 of the auxiliary wheel 10 is inserted.

Hereinafter, the operation of the auxiliary wheel for the carrier bag according to the present invention will be described with reference to FIGS. 3 to 5. FIG.

3 shows a state in which the auxiliary wheels for the carrier bag according to the present invention are assembled to one side of the carrier bag.

As shown in the drawings, the auxiliary wheel of the present invention is installed on one side of a carrier bag which is used in the prior art, so that the bag is moved using the handle of the carrier or the cart is moved using the auxiliary wheel, So that efficient movement is possible.

FIG. 4 is a perspective view showing a state in which the auxiliary wheel for the carrier bag according to the present invention is not used. As shown in FIG. 4, the auxiliary wheel is not exposed to the outside by the cover, and contaminants such as foreign matter, dust, .

That is, the upper part of the auxiliary wheel 10 attached to the carrier bag is sealed by the housing 21 of the cover 20 to prevent the inflow of contaminants such as dust from the upper part. In the lower part, The auxiliary wheel 10 is kept in a state of being closely adhered to the outer surface of the wheel frame 13 due to the elasticity of the auxiliary wheel 28 so that contaminants introduced from the outside can be prevented from flowing into the auxiliary wheel.

At this time, in the cover 20, the rollers 27 formed at the lower end in the state where the rollers 27 on both sides are fitted in the guide grooves 15 of the wheel frame 13 are inserted into the guide grooves 15, The cover 20 is prevented from naturally opening or shaking during movement of the carrier by placing the cover 16 over the cover 20 as the user presses it.

5, when the user moves a space such as a step or a step, which is difficult to move the carrier, the roller 27 is lifted by lifting the handle groove 22 of the cover 20, (16) to move upwards to expose the auxiliary wheels (10) so that the steps or steps can be moved without damaging the carrier by using the auxiliary wheels.

At this time, the upper portion of the cover 20 is moved upward by the roller 27 formed at the uppermost portion of the guide groove 15 by the force of the user lifting up the engaging jaw 16 to move the cover 20 So that the cover 20 is prevented from falling down naturally during the movement of the stairs.

When the cover 20 is moved upward, the lower finishing plate 23 is rotated by the elasticity of the spring 28 and moved upward while being in close contact with the auxiliary wheels 10, Thereby preventing stable movement of the vehicle.

The lifting or lowering of the cover 20 as described above is performed by a user's operation of pulling or pressing the fingers on the handle groove 22 and by the gas shock absorber 30 formed on the body 12 The movement of the cover 20 is additionally controlled.

The engaging groove 25 formed in the connecting plate 26 of the housing 21 is inserted into the engaging groove 32 formed in the upper piston 31 with the lower portion fixed to the body 12, (20) is controlled to move upward or downward.

6 to 7 show another embodiment of the auxiliary wheel for the carrier bag according to the present invention.

In this embodiment, the cover 20 is detached from the auxiliary wheel 10 and the entire auxiliary wheel 10 is exposed to the outside, so that the carrier bag can be moved in the form of a cart, .

As shown in FIG. 6, guide grooves 15 formed on both sides of the wheel frame 13 are extended upward to form extension grooves 151 on the upper portion of the wheel frame 13, The roller 27 of the moving cover 20 can be released to the outside of the guide groove 15 through the extending groove 151 and the cover 20 can be partially rotated by the auxiliary wheel 10, the handle 20 is pulled by pulling the grip groove 22 of the cover 20 to separate the engaging groove 26 of the connecting plate 25 from the engaging groove 32 of the gas shock absorber 30, 20 can be pulled upward to completely separate the cover 20 from the auxiliary wheels 10. [

As shown in FIG. 7, the cover 20 is completely separated from the auxiliary wheel 10 as described above, so that the carrier bag can be formed in the form of a cart, other luggage can be stacked on the upper part of the bag and moved at once.

The present invention has been described with reference to the embodiments shown in the attached drawings, but it will be understood that various modifications and other embodiments are possible for those skilled in the art.

10: Auxiliary wheel 11: Assembly
12: body 13: wheel frame
14: Wheel 15: Guide groove
16: jaw 20: cover
21: housing 22: handle groove
23: Finishing plate 24: Hinges
25: coupling groove 26: coupling plate
27: roller 28: spring
30: gas shock absorber 31: piston
32: Retaining groove 40:

Claims

A guide groove 15 formed on the outer side of the body 12 and having a hooking protrusion 16 at the upper and lower portions at one side thereof, (10) comprising a pair of wheel frames (13) in which a plurality of wheels (14) form a natural cloud;
A plurality of rollers 27 formed on both sides of the guide groove 15 of the auxiliary wheel 10 are assembled in such a manner that the rollers 27 can be moved in a rolling manner and are rotatably connected to each other by a handle groove 22 and a hinge 24 And a cover (20) made of a finishing plate (23) whose rotation is controlled by a spring (28)
A gas shock absorber 30 having a lower portion fixed to the body 12 and an engagement groove 32 formed at an end of the upper piston 31 and a coupling portion And a connecting plate (26) having a groove (25), so that the up and down movement of the cover (20) can be controlled additionally.

delete

The method according to claim 1,
And an extension groove 151 extending upward from the guide groove 15 formed in the wheel frame 13 and allowing the roller 27 inserted in the guide groove 15 to be released to the outside. Auxiliary wheels for carrier bags.