KR20150131585A

KR20150131585A - a folding cart

Info

Publication number: KR20150131585A
Application number: KR1020140058452A
Authority: KR
Inventors: 이규상
Original assignee: 이규상
Priority date: 2014-05-15
Filing date: 2014-05-15
Publication date: 2015-11-25

Abstract

The present invention relates to a foldable cart. According to the present invention, the foldable cart comprises: a central member (100) equipped with a knob (140) on a top and moves with a wheel (120); a supporting member (200) bonded in parallel with the central member (100) wherein an end of which is a hinge (110) coupled to a bottom of the central member (100), and rotates centering on the hinge (110) on a rotation; supporting bars (300, 300a) located in a pair of left and right at both sides of a lower part of the central member (100) wherein the top of which are respective hinges (310, 310a) coupled to a side of the central member (100) to be spread on both sides; interlocking bars (400, 400a) located on a pair wherein the ends of which are respectively hinge (410, 410a) coupled to an other end of the supporting member (200) and the other end respectively connected to the bottom of the supporting bars (300, 300a); and stumbling bars (500, 500a) located on a pair wherein an end of which is respectively hinge (510, 510a) connected to the lower end of the central member (100), and the other end hooked to be slid on a side of the supporting bars (300, 300a) to control a spreading of the supporting bars (300, 300a). The present invention has an advantage of being able to be folded, thus reducing a volume of a structure of the cart and used while moving with a wheel by unfolding the cart when transporting an article.

Description

A folding cart

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cart for transporting goods or carrying goods by shopping, and more particularly to a cart which can be folded so as to have a small volume, The present invention relates to a foldable cart which enables a user to use the foldable cart while using the foldable cart.

Generally, a cart is divided into a shopping cart, a cargo transportation cart, and a golf bag transportation cart.

Shopping carts are made of metal materials that allow customers to carry various items when they shop at large stores such as department stores.

This is a kind of small cart with a wheel at the bottom and a large store such as a department store. When a consumer needs it, it is borrowed so that the consumer carries the goods of the store to his / her own car, It is convenient to provide shopping in a way that it is placed in the initial position.

In the cart for cargo transportation, a plate material having a smooth surface can be moved through a wheel, and a moving object is placed on the upper surface of the plate material in the form of a handle on one side and then transported. In addition, when a plurality of bars are assembled and folded together, they are expanded and used. When storing, a plurality of bars are folded and stored.

The golf bag transfer cart is configured to include a wheel and a golf bag fixing structure to move a golf bag, which is a specific type of article, and is configured to be convenient when storing and transporting a golf bag.

The cart for cargo transportation among the carts can be easily applied to the transportation of goods. However, since the weight and area of the carts are large during storage, they are difficult to move and difficult to keep due to the size of the cart.

In order to solve the above-mentioned problem, a cart is designed to be foldable so that the cart can be easily transported and stored. In other words, the folding cart is foldable so that the cart can be easily stored in a folded state, A cart is disclosed in Korean Patent No. 10-1329768 by the present applicant.

A pair of vertical members, each of which can be opened at the lower side with respect to the upper hinge in the cart, and each having a wheel at the lower end; A center member to which upper hinges of the vertical member are respectively coupled to upper sides; A pair of support members that are slidably coupled to the center member, one end of which is rotatably coupled to the slider and the other end of which is rotatably coupled to a lower-side corresponding surface of the vertical member so as to be horizontally held and folded; A reinforcing member having one end hinged to one side of the lower end of the center member so as to be rotatable in one direction; And a pair of supporting members, one end of which is hinged to each lower end of the vertical member so as to be rotatable unidirectionally.

However, in the case of the above-described structure, when the slider which forms the supporting member with respect to the center member is slid up and down like an umbrella during the expansion operation in the folded state, the folding and unfolding of the slider is not easy.

Korean Patent No. 10-1329768 Publication date Nov. 19, 2013

Accordingly, the present invention has been made to solve the above problems

SUMMARY OF THE INVENTION [0006]

first; So that the folding cart can be easily folded and deployed.

second; In a folded state, while maintaining a parallel state, and in a deployed state, a stable triangular configuration with a base.

third; So that the volume can be minimized in the collapsed state of the folding cart.

According to an aspect of the present invention,

In a foldable cart,

A supporting member which is hinged to one side end of the lower end of the center member to be folded in parallel with respect to the center member and which is rotated about the hinge when rotated, And a pair of left and right support bars placed on both lower sides of the center member and hinged to one end of the center member and deployed on both sides of the center member, And one end of each of which is hingedly connected to the other end of the supporting member at a rear position of the hinge with respect to the center member and the other end of the supporting bar is hinge- A support bar connected to an intermediate portion of the support bar to fold and deploy the support bar when the support member is rotated about the hinge; It can comprise folding bars for.

Here, the center member is coupled with a plurality of split bars so that the vertical length thereof is adjusted, and at least one moving split bar is accommodated in the lower fixed split bar so as to be developed in multiple stages; And the movement dividing bar passes through the lower end of the fixed dividing bar to selectively control the rotation of the receiving member.

In addition, it is preferable that auxiliary wheels for rolling the ground are provided at the connecting ends of the supporting bars and the interlocking bars.

Further, it is preferable that a reinforcing bar is provided, the reinforcing bars being located at a pair of left and right sides of the center member, the lower ends of which respectively reinforce the connecting portions of the supporting bars and the connecting bars; Wherein each of the reinforcing bars is formed of first and second reinforcing bars which are respectively expandable and contractible in the form of a double pipe, the upper ends of the first reinforcing bars are hinged to the center member, and the lower ends of the second reinforcing bars It may be preferable that the hinge is connected to the end of the support bar and the connecting bar.

Further, a pair of auxiliary support bars may be provided on both sides of the support member, one end of the auxiliary support bar may be hinged to one side of the support member, and the other end of the auxiliary support bar may be integrally coupled To be folded and unfolded with respect to the receiving member.

In addition, a ring for hanging the rope can be formed on the center member, the receiving member, and the interlocking bar.

The present invention is advantageous in that the cart can be easily deployed and folded through the rotation of the supporting member relative to the center member to facilitate the user's use.

Further, since the volume is greatly reduced in the folded state, there is an effect that storage is facilitated.

Further, in the foldable cart, there is an advantage that the article can be transported with a relatively large weight as the support member supports the article.

Brief Description of the Drawings Fig. 1 is a developed perspective view of a folding cart according to the present invention,
Fig. 2 is a front use state diagram of Fig. 1,
Fig. 3 is a side use state diagram of Fig. 2,
Fig. 4 is a perspective view showing a pulled-out state of the handle in Figs. 1 to 3,
Fig. 5 is a folded state perspective view showing an example in which the pulling force of the folding bar for controlling the support bar is folded through the rotation of the receiving member in Figs. 1 to 3,
Fig. 6 is a perspective view showing a state in which the support bar and the link bar are folded by the pulling force of the folding bar for control of the support bar according to the rotation of the support member in the partial operation of Fig. 5,
Fig. 7 is a perspective view of the folding cart in a folded state according to Fig. 6,
FIG. 8 is a diagram showing a state in which the supporting member is held in a fixed state with respect to the center member in the folding cart according to the present invention, and FIG.
9 is a perspective view showing a state in which an auxiliary support bar is installed as another example according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may obscure the subject matter of the present invention. do.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a foldable cart which forms a receiving space for moving objects during deployment and is stored and carried when folded.

1 to 7, a hinge 110 is coupled to one side of a lower end of the center member 100 to move the article in a deployed state, A supporting bar 300 and a supporting bar 300 which support the supporting member 200 and are respectively formed as a pair and an interlock bar 400 and a support bar 300, (500a) for controlling the support bar (500) by controlling the rotation angle of the support member (300a) to guide the support member (200) to maintain and collapse the support member (200) with respect to the center member (100).

The center member 100 may be made of metal or synthetic resin. At least one wheel 120 may be provided at the lower end of the center member 100 and a handle 140 may be provided at the upper end of the center member 100.

Here, the center member 100 is formed so that a plurality of split bars 101, 102, and 103 are coupled to each other and the length thereof can be adjusted up and down.

That is, the moving split bar 102 is slid into the lower fixed bar 101, another moving split bar 103 is inserted into the moving split bar 102, do. The fixed dividing bar 101 and the movable dividing bar 102, the movable dividing bar 102 and the other moving dividing bar 103 are selectively locked by the engaging means 160 to be in a deployed state The mutual departure can be prevented.

The engaging means 160 is formed of a hole 161 formed in the fixed split bar 101 and an elastic ball 162 formed in the movable split bar 102 and resiliently fitted in the hole 161 .

The movable partitioning bar 102 received in the fixed partitioning bar 101 is fixed to the fixed partitioning bar 101 through the engaging means in a state in which the lower end of the fixed partitioning bar 101 passes through a predetermined length, I.e., the expansion or contraction of the main body 200 is controlled so that the folding is maintained.

The support member 200 may be made of metal or synthetic resin and has a hinge 110 at one end connected to one end of the lower end of the center member 100 so that when the hinge 110 rotates about the hinge 110, 100 and is rotated in an orthogonal state about the hinge 110 in a deploying operation.

The support bars 300 and 300a are positioned on both sides of the lower side of the center member 100 and the upper ends thereof are coupled to the center member 100 by hinges 310 and 310a, .

The interlocking bars 400 and 400a are disposed in pairs and each have one end coupled to the other end of the supporting member 200 and the other end connected to the lower end of the supporting bar 300, Respectively.

The connecting brackets 320 and 320a are provided at the connecting portions of the supporting bars 300 and 300a and the connecting bars 400 and 400a to connect the supporting bars 300 and 300a 300 are connected to the coupling bars 400 and 400a and the auxiliary wheels 340 and 340a are provided to the coupling brackets 320 and 320a.

The support bar control folding bars 500a and 500b are positioned on both sides of the center member 100 so that one end of the folding bar 500a is located at the other end of the support member 200, The hinge 210 is connected to the rear side of the hinge 110 with respect to the hinge 110 and the other end is connected to the intermediate side of the supporting bar 300 or 300a to rotate the hinge member 200 about the hinge 110 The support bars 300 and 300a are folded and developed.

When the support member 200 is rotated with respect to the center member 100, a pair of support bar control 500a 500a hinged to the end of the support member 200 is pulled The supporting bars 300 and 300a are pulled together and the supporting bars 300 and 300a are collapsed together with the interlocking bars 400 and 400a on both sides of the center member 100. [

The interlocking bars 400 and 400a and the folding bars 500 and 500a for controlling the support bars 500a and 500b are formed at the lower end of the center member 100 so as to stably maintain a triangular structure around the supporting member 200 The reinforcing bars 600 and 600a can be installed.

The reinforcing bars 600 and 600a are composed of first and second reinforcing bars 610 and 620 which are slidably coupled to each other to be able to expand and contract in a double pipe shape.

That is, the upper ends of the first reinforcing bars 610 are hinged to the center member 100, and the lower ends of the second reinforcing bars 620 are connected to the supporting bars 300, 400 (400a).

A hook 800 can be formed on the second reinforcing bar 620, the receiving member 200, and the interlocking bars 400 and 400a.

The use state of the foldable cart according to the present invention constructed as described above will be described below.

As shown in FIG. 7, first, when using the folding device in the folded state, the engaging means 160 located at the center member 100 is released, and then the movable dividing bar 102 is pulled out from the fixed dividing bar 101. Thus, the support member 200 is rotatable about the hinge 110 with respect to the center member 100.

At this time, the user holds the center member 100 with one hand and rotates the receiving member 200 with the other hand. The support member 200 is rotated about the hinge 110 and simultaneously the support bar 300 and the support bar 300 are moved upward while the support bar control 500a and 500a are moved upward, And the interlocking bars 400 and 400a connected to the interlocking bars 300 and 300a are opened. Then, when the support bar control folding bar 500 (500a) is fully deployed, the deployment state of the folding cart is completed as shown in FIG. When the engaging means 160 is released and the handle 140 is pulled, the movable dividing bars 102 and 103 included in the center member 100 are sequentially deployed to maintain the unfolded state. Then, the article to be transported may be placed on the upper surface of the receiving member 200. Then, the supporting member 200 and the interlocking bars 400 and 400a, which are deployed on both sides, support the article, and the article can be transported through the loop 800 with a string or the like.

When the foldable cart is to be folded after use, the supporting member 200 is rotated in the initial state by holding the center member 100 as shown in FIG. 5 and 6, the support bars 300 and 300a are folded toward both sides of the center member 100 by the folding bars 500 and 500a for controlling the support bars. At this time, (400a) are simultaneously folded and folded in parallel with the center member (100) together with the receiving member (200).

At the same time, the movable dividing bars 102 and 103 constituting the central member 100 are inserted into the fixed dividing bar 101. The end of the movable dividing bar 102 is positioned with a certain length passing through the lower end of the fixed dividing bar 101 to support the end of the receiving member 200 to keep the supporting member 200 in a folded state (See Fig. 8)

9 shows another embodiment according to the present invention in which a pair of auxiliary support bars 700 and 700a are provided on both sides of the support member 200. As shown in FIG.

That is, one end of each of the auxiliary support bars 700 and 700a is connected to one side of the support member 200, and the other ends of the auxiliary support bars 700 and 700a are connected to the hinge 710, The supporting member 400 is slidably coupled to the sliders 420 and 420a integrally coupled to the interlocking bars 400 and 400a so that the supporting member 400 is folded and unfolded together with the interlocking bars 400 and 400a do.

The sliders 420 and 420a are slidably inserted into the auxiliary support bars 700 and 700a in a pipe shape.

This is for supporting the article, and it is possible to stably support the article together with the supporting member 200 and the interlocking bars 400 and 400a.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, the invention is not limited thereto.

100: center member
101: stationary split bar 102, 103: move split bar
110: Hinge 120: Wheel
140: handle 160: engaging means
200: Support member
210: Hinge
300, 300a: support bar
310, 310a: Hinges 320, 320a: Connection bracket
340,340a: Auxiliary wheels
400, 400a: Interlocking bar
410, 410a: Hinge
500, 500a: Folding bar for control of the support bar
510, 510a: Hinge
600,600a: Reinforcing bar
610: first reinforcement bar 620: second reinforcement bar
700,700a: Auxiliary bar
800: Ring

Claims

In a foldable cart,
A center member 100 having a handle 140 at an upper end thereof and moving through the lower wheel 120,
A supporting member 200 coupled to one side of a lower end of the center member 100 by a hinge 110 and folded in parallel with the center member 100 and rotated about the hinge 110 when rotated,
A pair of support bars 300a and 300a which are positioned on both sides of the lower side of the center member 100 and whose upper ends are coupled to hinges 310 and 310a at one side of the center member 100, Wow,
And one end of each of which is connected to the other end of the supporting member 200 and the other end of which is connected to the lower end of the supporting bar 300 and 300a, ) 400a,
And a hinge 210 is connected to the rear side of the hinge 110 with respect to the center member 100 at the other end of the support member 200 and the other end is connected to the support bar 300, And a folding bar 500a (500a) for controlling the support bar 300, which is connected to an intermediate portion of the support bar 300 to fold and extend the support bar 300 (300a) when the support member 200 rotates about the hinge 110 Wherein the folding cart is formed by folding the folding cart.

The method according to claim 1,
The center member 100 is coupled with a plurality of split bars so that the vertical length thereof is adjusted, and at least one moving split bar 102 is accommodated in the lower fixed split bar 101 so as to be developed in multiple stages;
And the movement dividing bar (102) passes through the lower end of the fixed dividing bar (101) to selectively control the rotation of the receiving member (200).

The method according to claim 1,
Wherein the auxiliary wheels are installed at the connection ends of the supporting bars and the connecting bars. 3. The folding cart according to claim 1,

The method according to claim 1,
A pair of right and left reinforcing bars 600a and 600a which are located at the left and right sides of the center member 100 and each have a lower end to reinforce the connecting portions of the supporting bars 300 and 300a and the interlocking bars 400 and 400a, );
The reinforcing bar (600) (600a)
And a first reinforcing bar 610 and a second reinforcing bar 620. The first reinforcing bar 610 and the second reinforcing bar 610 are hinged to the center member 100, And the lower ends of the first and second reinforcing bars 620 are hinged to the ends of the supporting bars 300 and 300a and the connecting bars 400 and 400a, respectively.

The method according to claim 1,
A pair of auxiliary receiving bars 700 and 700a are provided on both sides of the receiving member 200 and one end of each of the auxiliary receiving bars 700 and 700a is connected to one side of the receiving member 200 by a hinge And the other ends of the auxiliary support bars 700 and 700a are slidably coupled to sliders 420 and 420a integrally coupled to the link bars 400 and 400a, Is folded and developed with respect to the receiving member (200) together with the interlocking bar (400) (400a).