KR102158423B1 - Cart structure for goods transport - Google Patents

Abstract

It relates to an article transport cart that automatically matches the movement direction of the kickboard member and the movement direction of the main body of the article transport cart in the process of transporting the article, wherein the main body for loading the article, the main body is moved and rotatable above the main body Combined handle portion, a wheel member coupled to the lower portion of the main body for movement of the main body, a kickboard member coupled to the lower portion of the main body and rotatably coupled toward the upper portion of the main body, and coupling between the main body and the kickboard member Thus, by providing a configuration including a position restoration member for holding the main body and the kickboard member in the same direction, it is possible to continuously transfer the article without changing the direction of the kickboard member.

Description

Cart for transporting goods {CART STRUCTURE FOR GOODS TRANSPORT}

The present invention relates to a cart for transporting articles to which a kickboard member is coupled, and more particularly, to a cart for transporting articles that automatically matches a moving direction of a kickboard member and a moving direction of a main body of the article transporting cart during an article transporting process.

In general, a hand cart used to transport various objects, tools, parts, etc. (hereinafter referred to as "goods") is provided with a body (carrying tray) having a predetermined flat area so that the goods can be placed or loaded. , A plurality of fixed casters and rotary casters are installed before and after the bottom surface of the main body, and a folding handle and a braking means (braking pedal) are installed at the rear of the main body. Therefore, when the user pushes the handle of the hand cart, the casters at the front and rear are rotated in the pushing direction and move to a predetermined position, so that the article can be conveniently transported without requiring a large force.

In recent years, courier transportation has become common, and in an environment where distribution warehouses become large, there is a growing need to not only use carts within a certain section, but also to load and move carts in transport vehicles, or to load and store in large quantities in warehouse facilities.

Such a cart refers to a small handcart made to carry goods, and consists of a loading plate for loading goods, front and rear wheels mounted under the loading plate, and a handle supported by the loading plate and extending upward, An object is loaded on the cart's loading plate and is transported by pushing or pulling through the handle. On the other hand, the front wheel can rotate 360°, so it plays a role of steering.

An example of such a technique is disclosed in Documents 1 to 3 below.

For example, the following Patent Document 1 includes a carrier portion capable of receiving an object, a wheel portion rotatably coupled to the carrier portion, and a boarding portion rotatably coupled to the carrier portion, and the carrier portion can rotate the boarding portion A standing part for supporting the standing part, a supporting part rotatably coupled to the standing part to support an object, and a supporting part provided in the supporting part to support the supporting part away from the floor, and the boarding part is rotatable to the carrier part Disclosed is a shopping cart comprising a folded portion coupled to each other, a footrest portion coupled to the folded portion, and a boarding wheel rotatably coupled to the footrest portion to support the footrest portion spaced from the floor.

In addition, in Patent Document 2 below, the main body of a predetermined plane area, the floor formed on the upper surface of the main body, a plurality of fixed casters and rotary casters installed on both sides of the bottom surface of the main body, a foldable handle installed on the main body, and supporting the lower end of the handle It includes a pair of left and right supports, and when the user raises the handle vertically, the lower part of the handle is supported by the roller installed on the support and is automatically erected. Conversely, when the foot pedal is stepped on the foot pedal, the roller moves upward and the handle It is disclosed for a hand cart in which the handle is automatically folded by removing the supporting force of the lower end of it.

On the other hand, in Patent Document 3 below, a loading plate formed to be loaded, a front wheel and a rear wheel each provided in a pair rotatably mounted on the lower side of the loading plate, and supported on the upper side of the loading plate are folded forward. A handle equipped with a clamping part to maintain an upright position as possible and a buffer part installed on both diagonals of the front side of the loading plate to perform a buffering and steering role when the loading plate collides with an obstacle, and the rear wheel Disclosed is a braking device for a portable cart including a braking unit for controlling braking.

Republic of Korea Patent Publication No. 2016-0011822 (published on February 2, 2016) Republic of Korea Patent Publication No. 10-1722756 (registered on March 28, 2017) Republic of Korea Patent Publication No. 10-1712316 (registered on February 24, 2017)

The technology disclosed in Patent Document 1 as described above has the advantage of improving the moving speed of the shopping cart by providing a boarding unit and making it convenient to change directions, but when the weight of the article is large and a large amount of articles are transported, the carrier unit moves If the direction and the direction of movement of the boarding portion deviate, there is a problem that it becomes difficult to transport the article in the desired direction.

In addition, Patent Documents 2 and 3 are filed and registered by the present inventor, and Patent Document 2 discloses a hand cart that can easily and conveniently fold the handle by using a foot pedal, and Patent Document 3 discloses a handle portion It is disclosed for a portable cart braking device in which the braking of the cart is simply and easily performed by the user's foot by providing a foot brake pedal operated in a one-touch type on the upper and rear side of the placed loading plate. Technology to improve speed was not considered.

An object of the present invention has been made to solve the above-described problems, and is to provide a cart for transporting articles having a large weight and capable of moving a large amount of articles at high speed.

Another object of the present invention is to provide a cart for transporting articles capable of automatically matching the moving direction of the kickboard member and the moving direction of the main body of the article transporting cart during the transporting process.

Another object of the present invention is to provide a cart for transporting articles capable of easily carrying a main body of a kickboard member and a cart for transporting articles.

In order to achieve the above object, the cart for transporting articles according to the present invention includes a main body for mounting an article, a handle unit that moves the main body and is rotatably coupled from the upper portion of the main body, and is coupled to the lower portion of the main body for movement of the main body. A wheel member coupled to the lower portion of the main body and rotatably coupled toward the upper portion of the main body, and a position restoration member coupled between the main body and the kickboard member to maintain the main body and the kickboard member in the same direction. Characterized in that.

In addition, in the article transport cart according to the present invention, a rotation shaft supporting rotation of the kickboard member and a hinge member rotatably coupled to the rotation shaft are provided at a lower portion of the body, and a first connection shaft is provided on the kickboard. The hinge member is provided with a second connection shaft, and the position restoration member is provided between the first connection shaft and the second connection shaft.

In addition, in the article transport cart according to the present invention, the position restoration member is a torsion spring or a torsion bar.

In addition, in the article transport cart according to the present invention, a "Y"-shaped groove is provided on the first connection shaft, and a center core member corresponding to the "Y"-shaped groove is provided on the second connection shaft. To do.

In addition, in the cart for transporting goods according to the present invention, a connection plate connecting the left frame and the right frame is provided on the handle part, the kickboard member is made of steel, and the connection plate includes a magnet member for fixing the kickboard member. It is characterized by being provided.

In addition, in the article transport cart according to the present invention, the first connection shaft and the second connection shaft are detachably coupled to the position restoration member.

In addition, in the article transport cart according to the present invention, a board wheel is mounted on the kickboard member, and the board wheel is rotatably operated by electric power (electricity).

As described above, according to the article transport cart according to the present invention, by providing a position restoration member that is coupled between the main body and the kickboard member to hold the main body and the kickboard member in the same direction, transport using the user's feet There is an effect that it is possible to continuously transfer the article without changing the direction of the kickboard member for the purpose.

In addition, according to the article transport cart according to the present invention, since the position restoration member automatically matches the movement direction of the main body and the kickboard member, the effect that the article can be transported at high speed and easily can be achieved.

In addition, according to the article transport cart according to the present invention, since the kickboard member is adhered by the magnetism of the magnet member provided on the connection plate, the effect that the kickboard member can be more safely stored and transported is also obtained.

1 is a perspective view of a cart for carrying articles according to the present invention,
Figure 2 is a side view of the article transport cart shown in Figure 1,
3 is an exploded perspective view for explaining the structure of a position restoration member applied to the cart for transporting goods according to the first embodiment of the present invention;
Figure 4 is a state diagram of a coupling of the position restoration member shown in Figure 3;
5 is a diagram illustrating the operation of the position restoration member shown in FIG. 3;
6 is an exploded perspective view for explaining another structure of a position restoration member applied to a cart for transporting goods according to a second embodiment of the present invention;
7 is a diagram illustrating the operation of the position restoration member shown in FIG. 6;
8 is an exploded perspective view for explaining another structure of a position restoration member applied to a cart for transporting goods according to a third embodiment of the present invention;
9 is a view showing a state of use of the main body and the kickboard member in the cart for transporting goods according to the present invention.

The above and other objects and new features of the present invention will become more apparent from the description of the present specification and the accompanying drawings.

In the description of the embodiments according to the present invention, the same components in the drawings are indicated by the same reference numerals as much as possible, and detailed descriptions of related known configurations or functions are omitted so as not to obscure the gist of the present invention, and also in the accompanying drawings. The expressed matters are schematic drawings in order to easily describe the embodiments of the present invention and may be different from the actual implementation form.

Hereinafter, an embodiment of a cart for transporting articles according to the present invention will be described with reference to the drawings.

[First embodiment]

1 is a perspective view of an article transport cart according to the present invention, Figure 2 is a side view of the article transport cart shown in Figure 1, Figure 3 is a position restoration member applied to the article transport cart according to the first embodiment of the present invention It is an exploded perspective view for explaining the structure of, and Figure 4 is a combined state diagram of the position restoration member shown in FIG.

As shown in Figs. 1 and 2, the cart for transporting articles according to the present invention includes a main body 100 for mounting an article and a kickboard member coupled to a lower portion of the main body 100 and rotatably coupled toward the upper portion of the main body. Includes 200. A handle part 300 is provided on one side of the main body 100 to move the main body 100 and rotatably coupled to the upper part of the main body 100.

The main body 100 may be made of a metal material such as plastic or iron, and is preferably made of high-strength plastic to reduce its own weight and prevent damage.

A wheel member 110 is coupled to a lower portion of the main body 100 to move the main body 100. As shown in FIG. 1, the wheel member 110 includes a pair of front wheels 111 and a pair of rear wheels 112 rotatably mounted in the main body 100. In addition, a pair of front wheels 111 and a pair of rear wheels 112 may be mounted to be movable in the left and right directions, respectively.

In addition, on the rear side of the upper surface of the main body 100, the rotation of the hand folding pedal 120 and the wheel member 110 capable of folding the handle part 300 toward the upper surface of the main body as shown in FIG. A brake pedal 130 is provided to stop it. The hand folding pedal 120 may apply the structure of a hand cart disclosed in Patent Document 2 (Korean Patent Publication No. 10-1722756) filed and registered by the present inventor. In addition, the brake pedal 130 may also apply the structure of a brake device for a portable cart disclosed in Patent Document 3 (Korean Patent Publication No. 10-1712316) filed and registered by the present inventor.

The kickboard member 200 may be made of a metal material such as plastic or iron, and is preferably made of steel because it is operated by mounting the user's foot.

As shown in FIGS. 1 and 2, the kickboard member 200 includes a mounting portion 210 for mounting a user's foot and a board wheel 220 provided under the mounting portion 210. In addition, a hinge member 230 is provided under the main body 100 so that the kickboard member 200 is rotatable. Accordingly, the kickboard member 200 is maintained to be rotatable toward the handle part 300 by the hinge member 230.

As shown in FIG. 2, the hinge member 230 is a support part 231 coupled to a central portion of the lower part of the main body 100 in a pair, and a rotation inserted between the support part 231. It includes a coaxial 232, a hinge member 233 that is inserted into the rotation shaft 232 and rotatable. The hinge member 233 has a hollow shape, and is fitted to the rotating shaft 232 when manufacturing the cart for transporting articles according to the present invention.

In the cart for transporting articles according to the present invention, the rotation shaft 232 may be rotatably maintained between the pair of support portions 231. Alternatively, the rotation shaft 232 may be fixed between the pair of support portions 231 and the hinge member 233 may be provided to be rotatable around the outer circumference of the rotation shaft 232.

As shown in FIG. 1, the handle part 300 includes a pair of rotation limiting parts 310 installed on the upper surface of the main body 100, and a left frame 320 provided at one side of the rotation limiting part 310. The frame of the "U" shape including the right frame 330 and the connecting frame 340 connected to the left frame 320 and the right frame 330 provided on the other side of the rotation limiting part 310, the left frame ( It includes a connecting plate 350 coupled between the 320 and the right frame 330.

The frame may be formed of, for example, a cylindrical pipe made of iron, and the connecting plate 350 may be provided in the shape of a plate of iron.

In addition, a magnet member 360 for fixing the kickboard member 200 is provided at an approximately central portion of the connection plate 350.

Between the main body 100 and the kickboard member 200, as shown in Figs. 1 and 2, the position of automatically matching the moving direction of the kickboard member 200 and the moving direction of the main body 100 of the article transport cart A restoration member 400 is provided.

That is, the position restoration member 400 changes direction even if the user temporarily moves the main body 100 and the kickboard member 200 in a direction shifted from each other in order to change the direction of the main body 100 in the process of transferring the goods, The main body 100 and the kickboard member 200 are maintained in the same direction.

The position restoration member 400 according to the first embodiment of the present invention includes a first connection shaft 211 provided upward from the mounting portion 210 of the kickboard member 200, as shown in FIGS. 3 and 4, It includes a second connection shaft 234 provided at a central portion of the hinge member 233 facing the first connection shaft 211, and a central core material 410 provided extending from the second connection shaft 234. .

In addition, as shown in FIG. 4, the first connection shaft 211 may be provided integrally with the hinge member 233, and the second connection shaft 234 may also be provided integrated with the hinge member 233. have.

As shown in FIG. 4, the first connection shaft 211 is provided with a groove 420 having an approximately “Y” shape, and a central core material 410 is inserted and held in the groove 420. That is, the groove 420 is provided in a tapered shape from the upper circumferential portion of the first connection shaft 211 toward the central portion, and has a structure in which a concave portion is provided from the central portion of the tapered shape toward the lower portion. In addition, the lower portion of the second connection shaft 234 has an inclined surface from the lower circumferential portion toward the central portion corresponding to the tapered shape, and a central core member 410 to be inserted into the concave portion protruding from the central portion of the inclined surface It is prepared.

As shown in FIG. 4, when the central core material 420 is fitted into the groove 420, the movement direction of the kickboard member 200 and the movement direction of the main body 100 of the article transport cart are in the same direction (fixed position). Represents.

On the other hand, the first connection shaft 211, the second connection shaft 234, and the central core 410 is the movement direction of the kickboard member 200 and the movement direction of the main body 100 of the cart Since the first connection shaft 211, the second connection shaft 234, and the center core 410 are twisted in the groove 420, the first connection shaft 211, the second connection shaft 234, and In order to prevent damage to the central core material 410, it is preferable to provide a material having rigidity, for example, steel or stainless steel.

Next, a function of automatically matching the movement direction of the kickboard member 200 and the movement direction of the main body 100 of the article transport cart in the article transport cart according to the first embodiment of the present invention will be described with reference to FIG. 5. .

5 is a diagram illustrating an operation of the position restoration member shown in FIG. 3.

When the user changes the moving direction of the main body 100 by manipulating the handle unit 300 while transporting a large amount of articles with a large weight of the article mounted on the main body 100, in a state as shown in FIG. 1 , The moving direction of the main body 100 and the kickboard member 200 is shifted.

That is, in the state as shown in FIG. 4, if the movement direction of the main body 100 and the kickboard member 200 is misaligned, the kickboard in a state in which the central core material 410 is inserted into the recess as shown in FIG. According to the tapered shape formed on the first connection shaft 211 provided on the member 200, the inclined surface of the second connection shaft 234 provided at the central portion of the hinge member 233 temporarily rises in the moving direction.

Subsequently, the inclined surface of the second connection shaft 234 provided at the central portion of the hinge member 233 is formed on the first connection shaft 211 provided on the kickboard member 200 according to the gravity of the article mounted on the main body 100. The kickboard member 200 is moved so that the moving direction of the kickboard member 200 coincides with the moving direction of the main body 100 in order to maintain the state as shown in FIG. 4 by descending along the tapered shape.

As described above, by providing the position restoration member 400 according to the first embodiment of the present invention, even when the user changes the direction of the main body 100 in the process of transferring the goods, the kickboard member 200 is automatically It follows the moving direction of the main body 100.

Therefore, even if the user changes the transport direction of the main body 100 by using the handle part 300, the main body 100 and the kickboard member 200 are kept in the same direction, so the kickboard member for transport using the user's feet It is possible to realize continuous transfer of goods without the process of changing direction of 200.

[Second Embodiment]

Next, another structure of a position restoration member as a second embodiment according to the present invention will be described with reference to FIGS. 6 and 7.

Further, in the following description, the structure of the main body 100, the kickboard member 200, and the handle part 300 is the same as the structure shown in the first embodiment, and thus only the structure of the position restoration member will be described.

FIG. 6 is an exploded perspective view illustrating a structure of a position restoration member applied to a cart for transporting goods according to a second embodiment of the present invention, and FIG. 7 is an operation diagram of the position restoration member shown in FIG. 6.

Unlike the structure of the first embodiment, the first connection shaft 211 and the second connection shaft 234 applied to the second embodiment have a flat cylindrical shape, as shown in FIG. 6.

In the second embodiment, a torsion bar 430 is applied as the position restoration member.

The torsion bar 430 applied to the present invention accumulates energy when it is twisted and has greater energy that can be stored (absorbed) compared to the coil spring when the same weight is applied from the body 100, and can be further lightened. Further, as shown in Fig. 6, the pipe shape is thin and straight, so space efficiency is high, and a solid steel bar is used, but a hollow steel pipe can also be applied.

That is, the lower side of the torsion bar 430 is coupled to the upper portion of the first connection shaft 211, and the upper side of the torsion bar 430 is coupled to the lower portion of the second connection shaft 234 to provide a main body as shown in FIG. Even if a misalignment occurs between (100) and the kickboard member (200), the original direction is restored by the restoring force of the torsion bar (430).

The first connection shaft 211 and the second connection shaft 234 and the torsion bar 430 are coupled to each other by providing an insertion groove in the torsion bar 430 as shown in FIG. 6, and Each end portion of the 211 and the second connection shaft 234 may be force-fitted. However, the present invention is not limited thereto, and each end of the first connection shaft 211 and the second connection shaft 234 and the inside or outside of the torsion bar 430 are each formed with a thread to be coupled by screwing. have. Alternatively, each end of the first connection shaft 211 and the second connection shaft 234 and the inside or outside of the torsion bar 430 may be coupled to each other by a fastening structure of a bolt and a nut.

According to this second embodiment, even if the user changes the transport direction of the main body 100 using the handle part 300, the main body 100 and the kickboard member 200 are in the same direction by the function of the torsion bar 430. Since it is maintained, it is possible to continuously transfer the article at high speed without changing the direction of the kickboard member 200 for transfer using the user's foot.

[Third embodiment]

Next, another structure of the position restoration member as a first embodiment according to the present invention will be described with reference to FIG. 8.

Further, in the following description, the structure of the main body 100, the kickboard member 200, and the handle part 300 is the same as the structure shown in the first embodiment, and thus only the structure of the position restoration member will be described.

8 is an exploded perspective view for explaining another structure of a position restoration member applied to a cart for transporting goods according to a third embodiment of the present invention.

Unlike the structure of the first embodiment, the first connection shaft 211 and the second connection shaft 234 applied to the third embodiment have a flat cylindrical shape as illustrated in FIG. 8.

In the third embodiment, a torsion spring 440 is applied as the position restoration member.

The torsion spring 440 applied to the present invention uses a spring that restores its original position by using the torsion of the spring.

The lower side of the torsion spring 440 is coupled to the upper portion of the first connection shaft 211, and the upper side of the torsion bar 430 is coupled to the lower portion of the second connection shaft 234 to provide the main body 100 and the kickboard member 200. Even if the direction deviation with) occurs, the original direction is restored by the restoring force of the torsion spring 440.

The first connection shaft 211 and the second connection shaft 234 and the torsion spring 440 are coupled, for example, the first connection shaft 211 and the second connection shaft 234 inside the torsion spring 440. Each end of) can be executed in a force-fitting manner. However, the present invention is not limited thereto, and a thread may be formed on the outside of each end of the first connection shaft 211 and the second connection shaft 234 so that the spring may be coupled by screwing. Alternatively, a groove may be provided at each end of the first connection shaft 211 and the second connection shaft 234, and the grooves may be coupled to each other in a structure in which a lead portion of the torsion spring 440 is fastened.

According to this third embodiment, even if the user changes the transport direction of the main body 100 using the handle part 300, the main body 100 and the kickboard member 200 are in the same direction by the function of the torsion spring 440. Since it is maintained, it is possible to continuously transfer the article at high speed without changing the direction of the kickboard member 200 for transfer using the user's foot.

Storage and transport of the article transport cart configured as in the first to third embodiments described above will be described with reference to FIG. 9.

9 is a view showing the state of use of the main body and the kickboard member in the cart for transporting goods according to the present invention.

The article transport cart according to the present invention is used for transporting goods in the state shown in Fig. 9(a), and when the goods transport cart is transported or stored without loading the goods, Figs. 9(b) and (c) After the step of ), the kickboard member 200 and the handle part 300 can be transported or stored in a folded state on the upper part of the main body 100.

That is, since the kickboard member 200 is maintained to be rotatable toward the handle part 300 by the hinge member 230, the user lifts the wheel 220 for the board toward the handle part 300 and the kickboard member (200) to contact the connection plate (350). When the kickboard member 200 is made of steel, the kickboard member 200 is adhered to the magnet member 360 provided on the connection plate 350 as shown in FIG. 9B.

Then, by operating the hand folding pedal 120 like a conventional cart, it is maintained in a state as shown in FIG. 9C. Therefore, in the article transport cart according to the present invention, the kickboard member 200 can be more safely stored and transported compared to the conventional technology.

Meanwhile, in the first to third embodiments, the first connection shaft 211 and the second connection shaft 234 have been described as a structure in which the first connection shaft 211 and the second connection shaft 234 are coupled to and integrated with the position restoration member, but are not limited thereto, and the position restoration member ( 400) when the first connection shaft 211 or the second connection shaft 234 is detachably coupled and transported or stored as shown in FIG. 9, the main body 100 and the kickboard member 200 are separated and transported Or you can keep it.

Although the invention made by the present inventor has been described in detail according to the above embodiment, the invention is not limited to the above embodiment, and can be changed in various ways without departing from the gist of the invention.

That is, in the first to third embodiments, the kickboard member 200 has been described as being operated by the user's foot, but the present invention is not limited thereto, and the board wheel 220 is driven by electric power (electric power). A structure that enables rotation is also applicable.

To this end, a battery for power supply, a motor operated by this battery, a chain connecting the rotation axis of the motor and the rotation axis of the board wheel 220 is provided under the mounting part 210 of the kickboard member 200, and the board wheel By rotating 220 by electric force, the article on the main body 100 can be transported more easily.

By using the article transport cart according to the present invention, it is possible to realize the continuous transport of the article without the process of changing the direction of the kickboard member.

100: main body
200: Kickboard absence
300: handle part
400: position restoration member

Claims (7)

The main body to mount the article,
A handle part that moves the main body and is rotatably coupled to the upper part of the main body,
A wheel member coupled to a lower portion of the main body for movement of the main body,
A kickboard member coupled to the lower portion of the body and rotatably coupled toward the upper portion of the body,
It is coupled between the body and the kickboard member and includes a position restoration member for maintaining the body and the kickboard member in the same direction,
A rotation shaft supporting rotation of the kickboard member and a hinge member rotatably coupled to the rotation shaft are provided at a lower portion of the main body,
The kickboard member is provided with a first connection shaft toward the upper portion, the hinge member is provided with a second connection shaft,
The position restoration member is provided between the first connection shaft and the second connection shaft,
The first connection shaft is provided with a "Y"-shaped groove,
Carts for transporting articles, characterized in that a central core member corresponding to the "Y"-shaped groove is provided on the second connection shaft. delete delete delete In claim 1,
The handle part is provided with a connection plate connecting the left frame and the right frame,
The kickboard member is made of steel,
An article transport cart, characterized in that the connecting plate is provided with a magnet member for fixing the kickboard member. In claim 1,
The first connection shaft and the second connection shaft are detachably coupled to the position restoration member. In claim 1,
The kickboard member is equipped with a wheel for a board,
The board wheel is a cart for transporting articles, characterized in that the rotation is possible by electric power (electric).

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