KR101880023B1 - Hand-Carrier - Google Patents

Abstract

The present invention relates to a hand carrier comprising: a travelling bag; a floor forming material installed on the inner floor of the travelling bag, and keeping the floor of the bag curved in forward and backward progression directions; a back plate combined vertically with a side of the floor forming material to keep the shape by supporting the rear side of the travelling bag; a grip part combined with the rear side of the back plate and the floor forming material in the rear of the travelling bag while having a bag cover placed therebetween; and castors combined with each corner of the floor of the floor forming material on the floor of the bag while having the bag cover therebetween. According to the present invention, the hand carrier is easily installed in a travelling bag to transform the bag into a carrier, which is able to be moved by being pulled or pushed, and the hand carrier is able to be continuously reused by changing the travelling bag, and thus, various expressions are able to be economically made. Thanks to the castors installed in the four corners of the floor of the carrier, the carrier is able to be easily moved by being pulled or pushed. Since the floor forming material is manufactured to keep the floor of the carrier curved in forward and backward progression directions, the center of a support shaft of the castors is located in the curved part, and thus, even when the carrier faces an obstacle such as stairs, the carrier is able to smoothly go forward without being broken or interrupted.

Description

Hand-Carrier [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hand carrier, and more particularly, to a hand carrier which can be easily installed in a travel bag, and can be converted into a carrier type by dragging or pushing the travel bag.

In recent years, the travel bag has been in the form of a carrier having a combination of a wheel and a handle for easy movement.

In the prior art in which a carrier and a student bag are combined, a "student bag with a hand carrier arranged forward" of Registration Practice No. 20-0308823 has been proposed.

The above-described prior art has a bag body which can be opened and closed to receive necessary items, a suspender which is provided at the rear of the bag body to enable the bag to be attached to the shoulder, and an upper part of the bag body which is used to carry the bag A hand carrier provided at a front portion of the bag body for dragging the bag; And a wheel mounted on the hand carrier or the front portion of the bag body.

The above-mentioned prior art has a feature that a suspenders and a handle are provided to carry or carry on a shoulder, and a wheel and a hand carrier are provided, so that when a bag is heavy, the hand carrier can be dragged and carried. It is possible to introduce a variety of design elements to the rear side of the bag, which not only doubles the beauty, but also eliminates inconveniences such as a shoulder or back exhaustion or a gentle distance to the hand carrier frame when carrying, The cushion can be inserted into the inside of the suspender and the backrest to improve the fit.

However, when the student bag is dragged and used in the form of a carrier, the above-mentioned prior art has a problem that the obstacle at the bottom and the bag body easily collide with each other or are scratched.

Further, a caster is formed only in one direction and can proceed in one direction. When the carrier is upright, there is a problem that the bottom of the bag touches the ground and is contaminated.

Korean Patent Application No. 10 ?? 2008 ?? 0058691

The object of the present invention is to provide a hand carrier which can be easily installed in a travel bag to convert the travel bag into a carrier type that can be dragged or pushed to move.

Another object of the present invention is to provide a hand carrier which can be used for various purposes by economically changing the travel bag by continuously reusing the carrier and by providing the casters at the four corners of the carrier floor so that the carrier can be easily moved by pushing or pulling. .

Another object of the present invention is to provide a method of manufacturing a bottom molding material for manufacturing a bottom molding material so as to maintain a curved surface portion of a bag bottom shape of a carrier in a forward and backward traveling direction and positioning the center of a supporting shaft of the caster on the curved surface portion, Even when an obstacle of the carrier is encountered, the carrier floor can be smoothly moved without being damaged by colliding with the obstacle or obstructing the movement.

It is a further object of the present invention to provide a cushion base which has a curved corner of the bottom molding and an edge fixing lid which is wrapped around the edge of the luggage, Carrier.

According to an aspect of the present invention, A bottom molding material installed on an inner bottom of the traveling bag for maintaining a shape of a bottom of the bag to maintain a curved portion with respect to a forward and backward traveling direction; A back plate vertically coupled to one surface of the bottom molding so as to support and shape the rear surface of the luggage bag; A grip portion which is engaged with a rear surface of the bottom molding material and the back plate with the bag shell at the back of the travel bag; And a caster, which is respectively coupled to the four corners of the bottom surface of the bottom molding with the bag shell at the bottom of the luggage bag.

The bottom molding material has a square bottom surface when viewed in a plan view and forms front, back, left, and right side surfaces contacting with the edge of the bottom surface, and a pair of opposite ends of the bottom surface facing each other A curved curved surface portion can be formed.

At this time, the caster coupling portions are formed at the four corners of the bottom surface, and each of the caster coupling portions may be located at the curved portion.

In addition, the caster coupling portion may form a plurality of fastening holes that can be screwed.

In addition, lattice-shaped reinforcing ribs may be formed on the front, back, left, and right sides of the bottom surface.

At this time, the end face of the reinforcing rib may be formed as a strip-shaped groove having the same thickness as the end face of the bottom molding.

The caster includes a wheel and a wheel shaft, a support shaft supporting the wheel and the wheel shaft such that the wheel and the wheel shaft are rotatable about a vertical axis by a predetermined radius, and the support shaft is rotatably coupled to the caster base A curved edge of the bottom molding material and a corners of the traveling bag are coupled to an end of the caster base to form a corner fixing cover and the center of the support shaft of the caster is positioned on the curved surface portion.

At this time, the edge fixing lid forms a curved first plate facing the curved portion of the bottom molding, and forms a second plate extending vertically at one side end of the first plate to surround the side edge of the bottom molding can do.

In addition, a plurality of pressing projections may be formed on the surface of the first plate so as to contact and fix the outer surface of the travel bag with a minimum area.

The present invention as described above has an effect that it can be easily installed in a travel bag so that the travel bag can be converted into a carrier type that can be dragged or pushed and moved.

Further, since the carrier can be reused continuously by changing the travel bag, the present invention has the effect of enabling various kinds of production to be economically produced.

Further, according to the present invention, by providing a caster at the four corners of the carrier bottom, the carrier can be easily moved by pushing or pulling.

In the present invention, the bottom molding material is manufactured so as to maintain the curved surface portion of the bag bottom shape of the carrier in the forward and backward traveling directions, and the center of the supporting shaft of the caster is positioned on the curved surface portion, Even when an obstacle is encountered, the carrier bottom can be damaged by colliding with an obstacle, or the carrier bottom can smoothly move without hindering movement.

The present invention also has the effect of protecting the bottom edge of the carrier where collision or scratches frequently occur by forming the corner fixing lid for wrapping and coupling the curved corner of the bottom molding and the edge of the luggage bag at the end of the caster base .

1 is an assembled sectional view showing a configuration of a hand carrier according to the present invention;
2 is a perspective view showing an assembly structure of a bottom molding material and a caster according to the present invention.
Figs. 3A and 3B illustrate examples of pressing protrusions 155c formed on a fixed cover of a caster according to the present invention. Fig.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a sectional view showing the construction of a hand carrier according to the present invention, and FIG. 2 is a perspective view showing an assembly structure of a bottom molding material and a caster according to the present invention.

1, the present invention comprises a traveling bag 110, a bottom molding 120, a back plate 130, a handle 140, and a caster 150.

1 is a general travel bag made of a material such as a fabric which is not provided with a separate frame for holding a hard case or a shape, And can be formed by dividing the space and the pockets.

The traveling bag 110 is a commercially available product that can be used separately from the floor molding 120 and the casters 150. The traveling bag 110 may be formed as a separate handle for the user to carry or may be attached to a suspenders The same means can be formed incidentally.

The travel bag 110 has a large storage space for accommodating various items necessary for traveling, and can be conveniently used by being dragged or pushed like a hand carrier when traveling.

To this end, the user can construct a hand carrier by assembling the bottom molding member 120 and the caster 150 as shown in FIG. 2 to the travel bag 110.

The constitution of the bottom molding member 120 will be described with reference to Figs.

The bottom molding material 120 as shown in the drawing is installed on the inner bottom of the traveling bag 110 and has a configuration in which the shape of the bottom of the bag is kept to be curved in the forward and backward traveling direction.

The bottom molding material 120 forms a square bottom surface 121 when viewed from the top and forms front, rear, left and right side surfaces 122a, 122b, 122c, and 122d contacting the edge of the bottom surface 121 And a pair of opposite ends of the bottom surface 121 facing each other form curved surface portions 123 which are curved.

For example, the bottom molding 120 may be in the shape of a rectangular basket with both sides of the bottom rounded greatly.

1 and 2, the surface to which the handle 140 is coupled is referred to as a rear surface 122b, and the rear surface 122a, 122b, 122c, A surface opposed to the front surface 122b is referred to as a front surface 122a and a left surface is referred to as a left surface 122c and a right surface is referred to as a right surface 122d with reference to the front surface 122a.

The bottom molding material 120 may be manufactured by inserting a synthetic resin material into a metal mold. The bottom molding material 120 may be made as thin as possible to reduce its weight, And the right side surfaces 122a, 122b, 122c, and 122d may have lattice-like reinforcing ribs 126 formed thereon.

At this time, the reinforcing ribs 126 may be reinforced by applying a certain thickness to the inner or outer surface of the bottom molding 120, or may have a cross section of the reinforcing ribs 126 having the same thickness as that of the bottom molding It may be formed in a curved uneven shape.

As shown in FIG. 2, the reinforcing ribs 126 may be formed as strip-shaped grooves extending in the longitudinal direction and the transverse direction of the bottom molding member 120 to form lattice-like grooves.

The caster coupling portions 124 are formed at the four corners of the bottom surface 121 of the bottom molding material 120 so that the respective caster coupling portions 124 are formed on the bottom molding material 120, And may be located in the middle of the curved surface portion 123. [

In this case, the caster coupling part 124 may form a plurality of screw holes 125, and in order to reinforce the screw coupling force and the strength, as shown in FIGS. 1 and 2, Or may be formed in a protruding structure.

In the drawing, four coupling holes 125 are formed at each corner, but the present invention is not limited thereto, and various modified coupling structures may be used.

Referring to FIGS. 1 and 2, the specific gravity of the curved portion 123 of the bottom molding according to the present invention is characterized by a large curvature at a ratio of 1/4 of the entire width.

The present invention can provide a structure that minimizes the obstacle to movement due to collision with the carrier floor due to collision with an obstacle even when an obstacle such as a staircase is encountered in the forward and backward direction of the carrier.

The present invention is to form the caster coupling portion 124 on the curved surface portion 123 which has a larger curvature ratio than the entire width of the caster coupling portion 124. By using the structural characteristics of the curved portion 123 and the caster coupling portion 124, The present invention of assembling the carrier 150 has an advantage different from the conventional carrier structure.

For example, when comparing the state in which the carrier is erected, the present invention is advantageous in that since the engagement position of the casters is coupled to the curved surface portion 123, which is higher than the carrier bottom surface (bottom surface of the luggage bag) Effect.

Also, when the carrier is advanced, the position of the caster 150 is protruded near the bottom surface of the luggage bag, thereby minimizing the resistance to obstacles and making stable progress.

1, the casters 150 are respectively coupled to the four corners of the bottom surface of the bottom molding member 120 with the bag shell at the bottom of the luggage bag 110. As shown in FIG.

The caster 150 includes a wheel 151 and a wheel shaft 152 and a support shaft 153 for supporting the wheel 151 and the wheel axle 152 such that the wheel 151 and the wheel axle 152 can rotate about a vertical axis about a vertical axis, The caster base 154 is formed at the end of the caster base 154 and the edge of the curved surface 123 of the bottom molding 120 And a corner fastening cover 155 for coupling the corner of the caster 150 to the curved surface portion 123. The support shaft 153 of the caster 150 is coupled to the curved surface portion 123 so that the center of the support shaft 153 of the caster 150 is positioned.

The corner fixing lid 155 forms a first plate 155a having a curved surface facing the curved surface 123 of the bottom molding 120, A second plate 155b may be formed to extend along the edge of the bottom molding 120 and to cover the edge of the bottom molding 120. [

The present invention is characterized in that the edge of the caster base 154 is formed with a corner fixing lid 155 which engages the curved corner of the bottom molding and the edge of the luggage bag at the end of the caster base 154, . ≪ / RTI >

3A and 3B are views showing an embodiment of a pressing protrusion 155c formed on a fixed lid of a caster according to the present invention.

As shown in the drawing, a plurality of pressing protrusions 155c may be formed on the surface of the first plate 155a to contact and fix the outer surface of the travel bag 110 with a minimum area.

The pressing projection 155c serves to prevent the sliding movement of the travel bag 110 and to prevent the sliding movement of the travel bag 110 from being damaged by frequent friction and movement.

When the bottom molding member 120 and the caster 150 are installed as described above, the back plate 130 and the handle 140 are coupled to the bottom molding member 120.

First, a back plate 130 is vertically coupled to one surface of the bottom molding 120 to support the rear surface of the travel bag 110 and maintain its shape.

The back plate 130 supports the handle 140 and maintains the vertical shape of the travel bag 110. The back plate 130 is a plate made of a synthetic resin material, (Not shown).

At this time, the lower end of the back plate 130 may be bolted and screwed together with the lower end of the handle 140.

1 shows an example in which a bolt member passing through a back plate 130 from the inside of the travel bag 110 passes through the handle 140 outside the travel bag 110 and is coupled using a nut member.

Of course, the present invention is not limited to the coupling means bolt and nut member, but may be various embodiments using screw members or other methods.

The rear surface of the bottom molding member 120 and the back plate 130 and the handle 140 are coupled to each other with the back of the bag at the back of the bag.

As shown in FIG. 1, the handle 140 may be provided with a handle adjustment structure that is adjustable in height according to a user's body condition.

As described above, the present invention can be easily installed in a travel bag so that the travel bag can be converted into a carrier type that can be dragged or pushed and moved, and the carrier can be reused continuously by changing the travel bag. Respectively.

Further, according to the present invention, by providing a caster on the four corners of the carrier bottom, the carrier can be easily moved by pushing or pulling, and a bottom molding material is manufactured so as to maintain the curved surface portion of the bag bottom shape of the carrier in the forward and backward traveling directions, The center of the support shaft of the caster is positioned at the center of the carrier so that even when an obstacle such as a staircase is encountered in the forward and backward direction of the carrier, the bottom of the carrier can be hit by an obstacle and can be smoothly moved without being damaged or moving.

As described above, the present invention is not limited to the above-described specific preferred embodiments, and any person skilled in the art can make various modifications without departing from the gist of the present invention. It is to be understood that such changes and modifications are intended to fall within the scope of the appended claims.

110: Travel bag 120: Floor molding material
121: bottom surface
122a, 122b, 122c, 122d: front, rear, left, and right sides
123: curved surface portion 124:
125: fastening hole 126: reinforcing rib
130: back plate 140: handle portion
150: Caster 151: Wheel
152: wheel shaft 153: support shaft
154: castor base 155: fixed cover
155a: first plate 155b: second plate
155c: the pressing projection 155c;

Claims (10)

A luggage bag 110; A bottom molding material 120 installed on the inner bottom of the traveling bag 110 to maintain the shape of the bottom of the bag so as to maintain a curved portion with respect to the back and forth traveling direction; A back plate (130) vertically coupled to one surface of the bottom molding (120) to support the rear surface of the traveling bag (110) and maintain its shape; A handle 140 coupled to a rear surface of the bottom molding 120 and the back plate 130 with the back of the bag at the back of the luggage 110; And a caster 150 coupled to an edge of the bottom surface of the bottom molding 120, respectively, with the bag outer covering at the bottom of the luggage 110,
The bottom molding material 120 forms a square bottom surface 121 when viewed from the top and forms front, rear, left and right side surfaces 122a, 122b, 122c, and 122d contacting the edge of the bottom surface 121 And a pair of opposite ends of the bottom surface 121 facing each other form a curved surface portion 123,
The caster 150 includes a wheel 151 and a wheel shaft 152 and a support shaft 153 for supporting the wheel 151 and the wheel axle 152 such that the wheel 151 and the wheel axle 152 can rotate about a vertical axis about a vertical axis, The caster base 154 is formed at the end of the caster base 154 and the edge of the curved surface 123 of the bottom molding 120 And a corner fixing cover 155 for coupling the corner of the caster 150 to the curved surface portion 123. The support shaft 153 of the caster 150 is coupled to the curved surface portion 123,
The corner fixing lid 155 forms a curved first plate 155a facing the curved surface portion 123 of the bottom molding member 120 and forms a curved surface in a vertical direction at one side end of the first plate 155a A second plate 155b is formed to extend around the edge of the bottom molding 120,
Wherein a plurality of pressing protrusions (155c) are formed on the surface of the first plate (155a) for contacting and fixing the outer surface of the travel bag (110) with a minimum area.
delete The method according to claim 1,
And a section of the curved surface section (123) is formed at 1/4 or more of the entire width.
The method of claim 3,
Wherein a caster coupling part (124) is formed at the four corners of the bottom surface (121), and each of the caster coupling parts (124) is located at a curved part (123).
5. The method of claim 4,
Wherein the caster coupling part (124) forms a plurality of screw holes (125).
5. The method of claim 4,
Wherein the lid-like reinforcing ribs (126) are formed on the bottom surface (121) and the front, back, left and right sides (122a, 122b, 122c, 122d).
The method according to claim 6,
Wherein a cross section of the reinforcing rib (126) is formed into a strip-shaped groove having a thickness equal to an end surface of the bottom molding.
delete delete delete

Images