KR20110005670A

KR20110005670A - Barrow for single wheel type having a barycenter control function of main frame

Info

Publication number: KR20110005670A
Application number: KR1020100138377A
Authority: KR
Inventors: 김순용
Original assignee: 김순용
Priority date: 2010-12-28
Filing date: 2010-12-28
Publication date: 2011-01-18

Abstract

PURPOSE: A single-wheel handcart having function of controlling the centroid of a body is provided to control the centroid of a body according to the weight of the loads of a basket. CONSTITUTION: A single-wheel handcart having function of controlling the centroid of a body comprises a main body(110), a single-wheel(120), support legs(130) and a basket. The main body comprises a supporting frame(113) in which a bracket(112) and a handle(111) are attached. The single-wheel is pivotally installed on the bracket of the supporting frame. The support leg is separated from the single-wheel.

Description

Barrow for single wheel type having a barycenter control function of main frame}

The present invention relates to a wheelbarrow, and more particularly, to improve the front and rear adjustment from the main body according to the weight of the package carried on the basket to the center axis position of the wheel installed in the wheelbarrow in particular in the uneven place It relates to a wheelbarrow with a center of gravity adjustment of the body for less lifting and carrying.

In general, carts are designed to transport people or objects by round wheels installed on shafts and rotational movements of shafts. In particular, wheelbarrows are narrow ridges for transporting harvests in farmhouses and fields. It is also commonly used in other fields such as construction sites to increase the utilization of transportation in narrow spaces.

Conventional wheelbarrow 100 is shown in Figure 1 attached to the main body 10 is provided with a handle 11 corresponding to each other on one side, and on the bracket 12 provided below the main body 10 Outer wheel 20 that is rotatably installed, two support legs 13 to be spaced apart from the body-side outer wheel to be placed on the ground, and the basket (B) is fixed to the upper body 10 to contain the package It is composed.

The wheeled wheelbarrow is seated on the ground, and the wheel and the support leg are in contact with the ground to maintain a stable state. The support leg is designed to be lower than the height of the wheel in consideration of the weight of the package in the basket. As shown in FIG. 2A, the package is loaded into the basket while the basket including the main body is inclined.

2b illustrates a state in which a worker grasps a handle of a cart with both hands and lifts it up, wherein only the supporting leg is spaced apart from the ground.

In the case of transport using a cart, a handle grasping the handle of the worker usually moves the cart as a walk of the worker from this time while the inclined angle of the basket is lowered toward the ground as shown in FIG. It becomes possible.

In the state of lifting the rear side of the cart as described above, the weight of the package loaded in the basket is weighted forward, and the distance (T) between the worker's grip on the central axis of the wheel and the handle is naturally far away. The worker who moves while supporting the cart is easily left and right pulled out even with a slight weight difference due to the characteristics of the wheel.

In cases where the package is heavy on a relatively basket, or when the package is loaded unevenly from the basket, the operator will have to grip the handle more tightly to bear the weight of the package. Or even the collapse of the cart caused damage to the package and damage to the basket portion of the cart, workers were injured.

The present invention has been invented to solve the conventional problems as described above, the object is to improve the front and rear adjustment from the main body according to the weight of the package carried on the basket to the center axis position of the wheel installed in the cart, in particular It is to provide a wheelbarrow with a center of gravity adjustment of the main body for carrying with less effort in uneven place.

According to the present invention to achieve the above object, a handle corresponding to the rear is provided, the front body is integrally provided with a support frame with a bracket attached to the lower portion, rotatably installed on the bracket provided on the support frame In a wheelbarrow, which is composed of a wheel which is spaced apart from the main wheel, the main body-side wheel is placed on the ground, and a basket fixed to the upper portion of the main body to contain the package,

The bracket is rotatably installed wheel support for positioning the outer wheel in the front and rear direction from the lower portion of the main body, the outer wheel is installed on the lower side of the wheel support to enable the cloud, and one side of the wheel support selectively A brake unit for braking is installed, and the handle of any one of the handles of the main body is characterized by consisting of a handle for controlling the rolling of the outer wheel by controlling the brake unit.

The wheel support according to the present invention is characterized in that the support jaw is projected to be inclined on both sides when the outer wheel is in close contact with the bottom of the support frame when positioning.

Both sides of the wheel support according to the present invention is formed with a locking projection for supporting the one end of the tension spring, respectively, a support piece is formed on the side of the support frame to walk the other end of the tension spring elasticity when positioning the front and rear wheels It is characterized in that it is provided.

The present invention can be rotated from the bracket of the main body to the central axis position of the wheel installed in the cart, the front and rear positions of the main body according to the rotation of the wheel support elastically installed by the tension spring and the control of the handle through the brake oil to the front and rear of the main body By adjusting the position, the accident occurs during transportation due to the easy balance while using less force in a narrow place where the worker is biased from side to side while moving, and the uneven ground can be easily moved due to the weight load of the package. It is effective to prevent as much as possible.

1 is a perspective view showing a typical wheelbarrow;
2a and 2c is a side view illustrating a handling state of a conventional wheelbarrow;
Figure 3 is a perspective view of the present invention wheeled cart,
Figure 4 is an enlarged perspective view showing a part of the main portion of the cart according to the present invention,
5 is a partial front view of a cart according to the present invention;
6a and 6d is a side view illustrating a handling state of the wheelbarrow according to the present invention;
Figure 7 is an enlarged view showing the unicycle state in Figure 6b,
FIG. 8 is an enlarged view illustrating a unicycle state in FIG. 6D.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 6D.

The present invention is provided with a handle 111 corresponding to the rear, the front body 110 is integrally provided with a support frame 113 with a bracket 112 attached to the lower portion, and the support frame 113 The outer wheel 120 is rotatably installed on the provided bracket 112, the two support legs 130 are installed so as to be placed on the ground spaced apart from the outer wheel 120 on the main body 110 side, the main body 110 of the In the outer wheel-type cart 100 is fixed to the upper portion consisting of a basket (B) for holding a package,

The bracket 112 is rotatably provided with a wheel support 140 for positioning the outer wheel 120 in the front and rear direction from the lower portion of the main body 110, the outer wheel 120 on the lower side of the wheel support 140. ) Is installed in a cloudable manner, a brake unit 150 for selectively braking the outer wheel 120 is installed on one side of the wheel support 140, any one of the handle 111 of the main body 110 The handle is configured of a handle L for controlling the brake of the outer wheel 120 by controlling the brake unit 150.

When the wheel support 140 is positioned on the outer wheel 120, the supporting jaw 141 is formed to be inclined on both sides so as to be in close contact with the bottom of the support frame 113.

Engaging protrusions 142 are formed on both sides of the wheel support 140 to support one end of the tension spring S, respectively, and a support piece 113a is formed on the side of the support frame 113 to extend the tension spring. Hang the other end of (S) so that the elasticity is provided when the front and rear positioning of the outer wheel (120).

The brake unit 150 is formed of a brake pad 152 which is installed to be movable back and forth from the output shaft of the actuator 151 and selectively closes and brakes on both sides of the outer wheel 120, and the actuator 151 is the handle. (L) and operation cable (C) are connected and installed.

In the drawing, reference numeral P denotes a pad which allows the support step to be closely attached to the bottom of the support frame.

Referring to the operation according to the use of the present invention the wheeled cart is configured as follows.

First, as shown in the wheelbarrow 100, the rear leg of the basket B including the main body 110 is lower than the height in which the support leg 130 is in contact with the ground. Will be loaded.

At this time, the outer wheel 120 is a wheel support 140 with respect to the support frame 113 is located in the front side of the main body 110, and the wheel 120 together with the support leg 130 each make a triangular point cart It is a stable support from the ground.

In addition, in each tension spring (S) installed on the side according to the angle of the wheel support 140, the front tension spring is kept in a stretched state, the rear tension spring (S) is attached to Figure 6a It maintains its elongated state more than the front tension spring as in.

Handle (L) provided in the handle in order to move in the state loaded with the package, that is, a relatively large amount of the package in the basket (B), the operator lifted the handle 111 of the cart 100 with both hands. By pressing it, the brake unit 150 is operated to control the cloud of the outer wheel 120 as shown in FIG. 5, where the operator pushes the body 110 forward.

By pushing the main body forward as described above, the bracket 112 side wheel support 140 is rotated so that the position of the outer wheel is changed from the front to the rear side, the support jaw 141 of the wheel support 140 is the support frame In close contact with the pad P provided at the bottom of the 113 to support a stable state, and the tension springs S associated therewith are respectively stretched and stretched oppositely, thereby maintaining the state of the outer wheel 120 in the state as shown in FIG. 7. Keep it. That is, the state where the outer wheel is located from the front to the rear position the center of gravity to be biased in the left and right direction in accordance with the weight of the package in the process of moving the cart 100, close to the self, easy to move easier to balance This becomes easy.

On the other hand, in order to put down the load carried as described above, once the main body 110 is pulled backward while the outer wheel is stopped using the handle (L), the position of the outer wheel can be located in the front, such a state When the cart 100 is put down, the rear of the cart becomes lower by the ground seating of the support leg 130, so that the cart can be stopped in a stable state.

6C, 6D, and 8 of the accompanying drawings illustrate a state in which empty carts or light packages are carried in the basket B, which is generally used without changing the position of the outer wheel 120 as described above. The cart can be moved in the same manner as using a cart.

100: cart 111: handle
112: bracket 113: support frame
120: unicycle 130: support leg
140: wheel support 141: support jaw
150: brake unit 151: actuator
152: brake pad B: basket
C: Operating cable L: Handle

Claims

A handle 111 corresponding to the rear side is provided, and a front body 110 having integrally provided a support frame 113 having a bracket 112 attached to the lower portion thereof, and a bracket 112 provided at the support frame 113. Outer wheel 120 rotatably installed on the main body, two support legs 130 installed to be spaced from the outer wheel 120 on the main body 110 side, and fixedly installed on the upper part of the main body 110. In the wheelbarrow (100) consisting of a basket (B) for holding a package,
The bracket 112 is rotatably provided with a wheel support 140 for positioning the outer wheel 120 in the front and rear direction from the lower portion of the main body 110, the outer wheel 120 on the lower side of the wheel support 140. ) Is installed in a cloudable manner, a brake unit 150 for selectively braking the outer wheel 120 is installed on one side of the wheel support 140, any one of the handle 111 of the main body 110 The handle is a wheelbarrow having a center of gravity adjustment function of the main body, characterized in that the handle (L) is provided to control the brake unit 150 to control the rolling of the outer wheel (120).

The method of claim 1,
The wheel support 140 has a center of gravity adjustment function of the main body, characterized in that the support jaw 141 is formed to be inclined to both sides when the positioning of the outer wheel 120 is in close contact with the bottom of the support frame 113. Having a wheelbarrow.

The method of claim 1,
Engaging protrusions 142 are formed on both sides of the wheel support 140 to support one end of the tension spring S, respectively, and a support piece 113a is formed on the side of the support frame 113 to extend the tension spring. Wheelbarrow with a center of gravity adjustment function of the main body, characterized in that the elasticity is given when the front and rear positioning of the outer wheel (120) by hanging the other end.