KR200485301Y1 - Multipurpose cart - Google Patents

Abstract

The present disclosure relates to a multipurpose hand cart capable of increasing the retractability and capable of loading a heavy load with structural modifications of auxiliary wheels.
According to an embodiment of the present disclosure, a multipurpose cart includes a first loading portion formed to have a portion of a plate shape bent upwardly, a second loading portion coupled to extend in parallel with a portion of the first loading portion, And a driving support portion that is coupled to the rear portion of the second loading portion so as to be rotatable and extends along the ground to be coupled with the first wheels and the other end to extend upwardly to be able to slide along the second loading portion .

Description

Multipurpose cart {MULTIPURPOSE CART}

The present disclosure relates to a multipurpose hand cart which can be utilized for various purposes through a structural modification of a subsidiary wheel.

Unless otherwise indicated herein, the description set forth in this identification section is not prior art to the claims of this application and is not to be construed as prior art as described in this identification section.

In recent years, as the use of plastic bags has been limited, there has been an increasing demand for lightweight hand carts that carry goods or loads from large-sized marts and industries, and barrels having good retractability capable of being deformed into various structures are being sold.

However, in order to transport a load having a relatively heavy weight, the strength and the overall volume must be relatively high, so that the storage capacity can be reduced and the utilization rate is lowered compared with the increasing volume and weight.

In order to solve such a problem, Korean Utility Model Registration No. 20-0411721 discloses a cargo transportation cart equipped with a mobile frame moving up and down, and Korean Utility Model Registration No. 20-0356175 discloses a small car The present invention is directed to an improved cart.

 However, the prior art discloses an invention for improving the retractability and convenience, but does not disclose an invention that can stably support a heavy load and can be used for various purposes.

The present invention provides a multipurpose hand cart which can be loaded with a heavy load with increased storage capacity by changing the structure of the auxiliary wheels.

Further, it is obvious that the present invention is not limited to the above-described technical problems, and another technical problem may be derived from the following description.

According to an embodiment of the disclosed subject matter, a part of the plate shape includes a first stacking part formed to be bent upward, a second stacking part coupled to extend in parallel with a part of the first stacking part, And a driving support portion coupled to the rear portion of the portion so as to be rotatable and extending along the ground to be coupled with the first wheels and the other end extending upward to be slidable along the second loading portion.

Also, when the other end of the driving support part moves upward, the driving support part and the second mounting part may be in close contact with each other, and if the other end moves downward, a space may be formed to pass between the driving support part and the second mounting part.

According to an embodiment of the present disclosure, a multipurpose hand truck can stably support a load through a plurality of nodes formed at a rear lower end and auxiliary wheels coupled to be rotatable between nodes.

Further, the plurality of nodes are formed to be in close contact with the loading part, thereby increasing the retractability, and the handle of the multipurpose handrail can be rotated toward the ground to be utilized for vehicle transportation. In addition, by using an Omni wheel used for the front- It is possible to easily change the direction.

In addition, the auxiliary wheels are relatively larger than the wheels positioned at the front, so that when the multipurpose hand cart is used for the vehicle, when the position of the auxiliary wheel and the front wheel are in close contact with the ground, It has the advantage of carrying heavy loads.

It can also have other effects besides listed effects such as stable loading, storage and increased convenience.

1 is a perspective view of a multipurpose cart according to an embodiment of the disclosure disclosed herein.
Figures 2 and 3 are side views illustrating the driving of the multipurpose hand cart of Figure 1;
Figure 4 is a side view of a multipurpose cart according to another embodiment of the present disclosure;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a configuration, operation, and effects of a multipurpose hand cart according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings. For reference, in the following drawings, each component is omitted or schematically shown for convenience and clarity, and the size of each component does not reflect the actual size, and the same reference numerals denote the same components throughout the specification. And reference numerals for the same components in individual drawings are omitted.

1 shows a perspective view of a multipurpose cart according to an embodiment of the disclosure disclosed herein.

1, the multipurpose hand bag 100 includes a first loading unit 200, a second loading unit 400, a driving support unit 600, a first guide unit 700, a second guide unit 740 And a fixing part 800.

The first stacking unit 200 is formed in the form of a plate having a plurality of triangular holes formed at its lower part, and a part of the first stacking unit 200 is formed to be bent upward to support a heavy load.

The second loading part 400 is coupled to extend upward in parallel with a part of the first loading part 200 and is formed with a plurality of rectangular holes passing from front to back, So that the load is stably supported to the load.

The first guide part 700 is formed in the shape of a plate and is coupled to one side of the second loading part 400. The first guide part 700 has circular holes 720 formed to be spaced apart from each other by a predetermined distance, The connection holes 730 are formed so as to penetrate through the side surfaces so as to connect the holes with each other with a thickness relatively lower than the diameter of each of the holes 720.

The second guide part 740 is formed in the shape of a plate and is coupled to the other side of the second loading part 400. The second guide part 740 includes circular holes 760 formed through the side surface and spaced apart from each other by a predetermined distance, The connection holes 770 are formed through the side surfaces to connect the holes to each other with a thickness relatively lower than the diameter of each of the holes 760 of the first electrode 760.

One end of the driving support portion 600 is coupled to the second loading portion 400 so as to be rotatable. The other end of the driving support portion 600 is horizontally aligned with the ground at one end and extends rearwardly.

The other end of the drive support portion 600 is coupled to the first guide portion 700 and the second guide portion 740 so as to be rotatable and is rotatable along the side surfaces of the first guide portion 700 and the second guide portion 740 Sliding movement is possible.

Specifically, the first loading part 200 includes a lower frame 210 and a lower hole 220.

The lower frame 210 is formed in a plate shape, the front edges are curved, and lower holes 220 are formed in a triangular shape passing through the lower frame 210.

A portion located at the rear of the lower frame 210 is vertically bent and formed to extend toward the upper portion and is engaged with one end of the second loading portion 400.

The second loading part 400 includes a first loading frame 410, a second loading frame 420, a first horizontal frame 430, a second horizontal frame 440, a vertical frame 450 and a handle 460, .

The first loading frame 410 is disposed on one side of the second loading unit 400 and has one end coupled to one side of a portion of the first loading unit 200 and one side of the driving support 600, And is engaged with one end of the handle 460 at an oblique angle.

The second stacking frame 420 is disposed on the other side of the second stacking part 400. One end of the second stacking frame 420 is coupled to the other side of the first stacking part 200 and the other side of the drive support part 600, And is engaged with the other end of the handle 460.

The handle 460 has one end coupled to the other end of the first stacking frame 410 and bent or curved in a rearwardly projecting shape and extending toward the other end of the second stacking frame 420, (420).

The first transverse frame 430 is formed to intersect between the first stacking frame 410 and the second stacking frame 420. One end of the first transverse frame 430 is coupled to the first stacking frame 410, (420).

The first transverse frame 430 is disposed between the first stacking frame 410 and the second stacking frame 420 so that the first stacking frame 410 and the second stacking frame 420 are bent or broken by the load ≪ / RTI >

The second transverse frame 440 is disposed at the top of the space formed between the first stacking frame 410 and the second stacking frame 420 so as to be spaced apart from the first transverse frame 430, And the other end thereof is engaged with the second stacking frame 420. [0050]

The second transverse frame 440 is disposed at the upper end of the second loading unit 400 to prevent the other ends of the first loading frame 410 and the second loading frame 420 from being deformed or damaged, It has the advantage of supporting long and high loads.

The vertical frame 450 has one end coupled to the first loading portion 200 and the other end extending along the second loading portion 400 across the first horizontal frame 430 and the second horizontal frame 440).

Accordingly, the vertical frame 450 may be configured such that a relatively heavy weight load contacting the first horizontal frame 430 and the second horizontal frame 440 may cause the first horizontal frame 430 and the second horizontal frame 440 to bend Or breakage of the battery.

The first guide unit 700 includes a first guide plate 710, a hole 720 and a connection hole 730. The second guide unit 740 includes a second guide plate 750, a hole 760, And a connection hole 770.

The first guide plate 710 is coupled to the side of the first stacking frame 410 in a plate form and disposed so as not to protrude forward of the first stacking frame 410 to prevent contact with the load.

The holes 720 are formed in a circular shape and are spaced apart from each other by a predetermined distance so that the plurality of holes 720 are parallel to the first stacking frame 410.

The connection holes 730 are formed to connect the plurality of holes 720 and the thickness is arranged to be smaller than the diameter of the holes 720.

The second guide plate 750 is coupled to the side of the second stacking frame 420 in a plate form and is disposed so as not to protrude forward of the second stacking frame 420 to prevent contact with the load.

The holes 760 are formed in a circular shape and are spaced apart from each other by a predetermined distance so that the plurality of holes 760 are parallel to the second stacking frame 420.

The connection holes 770 are formed so as to connect between the plurality of holes 760, and the thickness is arranged to be formed to be smaller than the diameter of the holes 760.

The driving support portion 600 includes a first supporting frame 610, a second supporting frame 620, a first wheel 630, a second wheel 640, a first supporting frame 650, a second supporting frame 660 And a first wheel 670.

The first support frame 610 is formed in a frame shape and has one end rotatable through one end of the first stacking frame 410 and the bolt 611, the support plate 612, and the nut 613 And the second wheel 640 is rotatably coupled to the one side surface.

The first support frame 610 extends parallel to the ground and the other end of the first support frame 610 is coupled to one end of the second support frame 620 so that the first support frame 610 is rotatable. Is rotatably coupled.

The other end of the second support frame 620 is connected to the other end of the first support frame 610 so as to be rotatable. The other end of the second support frame 620 is fixed to the hole 720, do.

The fixing part 800 is disposed on the other side of the second loading part 400 so that the other end of the second guide part 740 and the second supporting frame 660 can be rotated on the side of the second loading frame 410 .

The fixing part 800 formed on one side of the multipurpose hand bag 100 is coupled to the other end of the second supporting frame 620 and the hole 720. When the fixing bolt 810 of the fixing part 800 is pulled, One end of the fixing bolt 810 that is in close contact with the inner surface of the first guide plate 710 formed in the first guide plate 720 and the hole 720 is exposed toward the side and a thread having a relatively small diameter is exposed.

Since the thread can move along the connection hole 730 when the fixing bolt 810 is gripped and moved upward along the connection hole 730, the other end of the second support frame 620 coupled to the fixing portion 800 As shown in Fig.

When the fixing bolt 810 is released, the fixing bolt 810 moves toward the upper hole 720 by the elastic restoring force of the spring 820 and is brought into close contact with the inner surface of the first guide plate 710, The support frame 620 stops and is fixed in the sliding movement.

The other end of the second support frame 620 is slidably moved while moving through the hole 720 and the connection hole 730 through the fixing portion 800. The first support frame 610 is slidably supported by the second support frame 610, A space 601 is formed between the first loading unit 200 and the second loading unit 400 or the first loading frame 410 is closely contacted with the first loading unit 200 according to the movement of the first loading frame 620.

For example, when the fixing portion 800 is fixed to the hole 720 formed at the lower portion and the space 601 is formed between the first loading portion 200 and the second loading portion 400, 630 and the second wheel 640 are in close contact with the ground, and the second loading part 400 is formed to extend obliquely toward the top.

On the other hand, when the fixing part 800 is fixed to the hole 720 formed in the upper part and the first supporting frame 610 and the second supporting frame 620 are formed in close contact with the second mounting part 400, The wheels 630 move upward according to the movement of the second support frame 620 so as to be disposed on the side of the first stacking frame 410.

In this case, the first support frame 650, the second support frame 660, the first wheel 670, and the second wheel 680 are connected to the first support frame 610, the second support frame 620, The first wheel 630 and the second wheel 640 are symmetrically formed with the same structure and the second support frame 660 and the second guide portion 740 are connected to each other, The first guide part 700 and the second guide part 620. Therefore, the detailed description of the structure and operation will be omitted.

A rotating shaft connecting the first wheel 630 and the first wheel 670 is formed between the first wheel 630 and the first wheel 670 and a rotating shaft connecting the first wheel 630 and the first wheel 670 is formed between the first wheel 630 and the first wheel 670, A rotation shaft connecting the second wheel 640 and the second wheel 680 is formed.

The first wheel 630 is formed to have a relatively larger outer diameter than the second wheel 670 and the second wheels 640 and 680 are formed by using Omni wheels used as robot wheels. 640, and 680 are in contact with the ground.

Figures 2 and 3 show side views showing the driving of the multipurpose hand cart of Figure 1.

2 and 3, the multipurpose hand bag 100 is arranged such that the second loading part 400 extends obliquely upward, and the other end of the second supporting frame 620 is connected to the fixed part 800 through the fixing part 800 And is formed to be fixedly coupled to the hole 720 formed at the lower end.

The first wheel 630 and the second wheel 640 are formed to be in close contact with the ground. The first wheel 630 is formed to have a diameter larger than that of the second wheel 640, and the second wheel 640, Is preferably formed in the form of an omni wheel commonly used in a robot and is preferably used for the second wheel 640 whose direction is changed frequently.

Accordingly, the relatively large first wheel 630 is disposed at the rear lower portion to effectively distribute the load of the load transmitted to the second support frame 620 and the first support frame 610, and stably supports the load do.

The second support frame 620 and the first support frame 610 can be fixed by fixing the fixing portion 800 to the upper hole 720 by pulling the fixing portion 800 toward the side and fixing the fixing portion 800 along the connection hole 730. [ And are disposed so as to be in close contact with the first stacking frame 410.

The first wheel 630 is moved upward to be disposed on the side of the first stacking frame 410 and the lower frame 210 is moved along the first direction toward the ground when the knob 460 is moved toward the ground. And the first wheel 630 and the second wheel 640 are in close contact with the ground.

In this case, the user can place the load on the second loading unit 400, pull the handle 460 to carry the load, and connect the vehicle or the bicycle to the handle 460 to move the multipurpose hand- It can be used as a handcart.

Therefore, when the multipurpose handheld 100 moves the fixing portion 800 stepwise upwardly along the holes 720 disposed in the first guide portion 700, the handle 460 gradually moves in the first direction So that it can be adjusted to the height suitable for the user.

When the first wheel 630 and the first wheel 670 are disposed on the side of the first loading frame 410 due to the movement of the fixing part 800, the volume occupied by the multipurpose hand bag 100 is reduced, It is possible to easily store the cart 100 and save space.

When the weight of the load is relatively low, the first wheel 630 and the first wheel 670 are detached and the first and second support frames 610 and 610 are moved upward, 620 are disposed in close contact with the first stacking frame 410, the overall weight of the first and second wheels 630, 670 is reduced by the removal of the first wheels 630, 670, thereby increasing convenience.

The fixing unit 800 is fixed to the hole 720 disposed at the upper portion of the first guide unit 700 and the handle 460 is moved in the first direction so that the first wheels 630 and 670 and the second When the wheels 640 and 680 are brought into close contact with the ground simultaneously, the vehicle can be used as a hand truck for connecting the vehicle to the handle 460 and utilizing the second loading part 400 as a lower supporting part.

Figure 4 shows a side view of a multipurpose cart according to another embodiment of the disclosure herein.

The multipurpose hand bag 120 according to the present embodiment is substantially the same as the multipurpose hand bag 100 of FIG. 1 except for the handle 461, the joint part 900 and the seat 910, And redundant explanations are omitted.

4, the multipurpose hand bag 120 further includes a handle 461, a joint part 900, a cradle 910, and a seat 920. As shown in Fig.

The handle 461 is formed to connect the other end disposed on the upper portion of the first stacking frame 410 and the other end disposed on the upper portion of the second stacking frame 420, And is rotatable through a joint part 900 formed to connect the other end of the stacking frame 420. [

Accordingly, the handle 461 is rotatable toward the lower frame 210 about the joint part 900. When the handle 461 rotates toward the ground again and rotates to the original position and is arranged to be horizontal with the second loading part 400, (910) is prevented from rotating toward the ground by interrupting the rotation of the knob (461).

A fixing device for restricting the rotation of the joint part 900 is separately attached to the knob 461 so as to keep the knob 461 rotated so as to be horizontal with the lower frame 210, .

The handle 461 is connected to the other end of the first stacking frame 410 and the other end of the second stacking frame 420 respectively and has a relatively small And a length of the handle 461 extending upward from the joint part 900 can be extended when the handle 461 is pulled.

On the other hand, the handle 461 can be lowered to shorten the length of the handle 461 extending upward from the joint part 900, and one end passing through the handle 461 for maintaining the length of the handle 461 The handle 461 can be extended or contracted by inserting a rod-shaped metal rod bent in a circular shape and extending at the other end.

The sheet 920 is connected to one end of the first stacking frame 410 so as to be rotatable and the other end is formed to extend along the first stacking frame 410 by a predetermined distance toward the handle 461, The user can sit on the seat 920 and rest.

The seat 920 is disposed so as to be horizontal with respect to the lower frame 210 when the end of the seat 920 rotates about its axis and is seated when the second frame 400 is raised upright Can be utilized.

In this case, a separate fixing member for fixing the rotated state of the sheet 920 may be used.

Accordingly, the user can change the position and height of the handle 461 to use the multipurpose hand bag 120 according to the convenience of the user, and the position of the seat 920 can be changed to increase convenience.

In addition, the handle 461 can be rotated to easily connect the connecting portion of the vehicle connected to the handle 461, so that the handheld 120 can be used for various purposes, and the first wheel 630 and the second wheel 630, It is possible to carry the load stably through the opening 640.

While the present invention has been described in connection with what is presently considered to be preferred embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that various equivalents and modifications may be substituted for those at the time of the present application. Therefore, it should be understood that the embodiments described above are intended to be illustrative and non-restrictive in all aspects, and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, And all changes or modifications that come within the spirit and scope of the appended claims are intended to be embraced within their scope.

100, 120: Multipurpose cart 200: First loading section
400: second loading part 600:
700: first guide part 740: second guide part
800: Goh government 900: Joint part

Claims (9)

A part of the plate shape has a first stacking part formed to be bent upward;
A second loading unit coupled to extend in parallel with a portion of the first loading unit and having a handle formed thereon;
A driving support portion having one end coupled to the rear of the second mounting portion so as to be rotatable and the other end extending upward to be slidably coupled with the second mounting portion and having a plurality of wheels coupled to both sides;
Guide holes formed on the both sides of the second stacking part, wherein the connection holes are formed so as to connect the holes with each other with a thickness relatively smaller than the diameter of the holes; And
A portion of the driving support portion which is formed to have a relatively small diameter when it is pulled toward the side is formed to be able to move along the connection hole and is closely fixed to the inner side surface of the guide portion surrounding the hole through the other end of the driving support portion, Including,
Wherein the first and second wheels are disposed on both sides of one end of the driving support portion and the first and second wheels are disposed on both sides of the first and second mounting portions when the other end moves upward or downward, And second wheels having a relatively small outer diameter are formed.
The apparatus according to claim 1,
Wherein the driving support portion and the second mounting portion are in close contact with each other when the other end moves upward and a space is formed between the driving support portion and the second mounting portion when the other end moves downward.
delete delete The method according to claim 1,
Wherein the first and second wheels are brought into contact with the ground and the handle is connected to the vehicle by pulling the handle backward and downward while the first wheel is disposed on both sides of the second loading portion, .
delete delete The apparatus according to claim 1,
Further comprising a joint portion formed at an upper end of the guide portion such that a portion of an upper end of the second loading portion rotates toward the first loading portion.
The method according to claim 1,
Wherein the handle is extended or contracted along the side surface.

Images