KR20160089817A

KR20160089817A - Brake for handcart

Info

Publication number: KR20160089817A
Application number: KR1020150009519A
Authority: KR
Inventors: 김정일
Original assignee: 김정일
Priority date: 2015-01-20
Filing date: 2015-01-20
Publication date: 2016-07-28

Abstract

The present invention relates to a brake used by being simply attached to a handcart used to transport a small cargo in a daily life or industrial site. More specifically, the brake for a handcart is capable of braking a handcart when a worker handles a cargo alone by being conveniently attached to handcarts of various sizes. In order to form the brake, applied to a handcart of which handle is formed in the upper part in a fixing or folding structure, the present invention includes: a housing including an operating hole in the bottom; a clamp combined with the top of the housing to be clamped to a reinforcement member transversely installed on a support bar; a reinforcement support pipe fixed to the bottom of the housing to be parallel with the reinforcement member; a ground unit inserted into the reinforcement support pipe, and attached to the support bar; a brake pin protruding from the operating hole while being embedded in the housing; a vertical passage formed in the housing in an axial direction to guide a pressurizing pin combined with the top of the brake pin; upper and lower hanging grooves formed in the top and bottom of the vertical passage in a circumferential direction; and a recovery spring embedded in the housing, and elastically supporting the brake pin towards the upper hanging groove.

Description

Brake for handcart}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brake for a hand cart which is easily attached to a hand cart used for transporting a compact cargo in an industrial field or everyday life. More particularly, the present invention relates to a brake for a hand cart, So that the hand cart can be braked so that the hand cart does not move when the worker alone cargoes the cargo.

Hand carts used when transporting compact cargo in industrial fields or everyday life are being used.

However, in the case of a handcart which is generally used, there is no brake means, so that it is difficult to unload the cargo in the sloping area, and also when the cargo is unloaded in the flat land, There was also a problem.

As a means for solving the problem of the hand cart as described above, a locking device for a wheel of a wheel of a Korean Registered Utility Model No. Y01-0-0-0131332 (August 2, 2005) was proposed by a conventional technique with a brake have.

The locking mechanism includes a locking frame mounted parallel to the two wheels. The locking frame is fixed to the center of the locking frame elastically and rotatably by an elastic member. A first link rotatably connected to an end of the action link, a second link rotatably connected to an end of the first link, a second link rotatably installed in the locking frame, An adjusting bolt fastened to both ends of the brake rod and closely contacted with or spaced from a circumferential surface of a wheel of a wagon; a lock king pin protruding from a connecting portion between the working link and the first link; The lock pin is relatively rotatably provided on a support shaft provided on the movable link to guide the lock pin relative to the rotation of the action link And a locking elastic member provided on the support shaft for elastically supporting the lock king pin guide member in the longitudinal direction and the rotational direction of the support shaft and a rotating means for rotating the operation link, , The wheel of the wagon is fixed or non-fixed only by the operation of rotating the working link with the brake pedal and the brake knob, so that the locking operation can be conveniently realized.

However, in the prior art described above, there is a problem that the locking device for braking the wheels is installed in the lower part of the platform and the mobility is restricted by obstacles on the ground during the moving process.

KR 200391332 Y1 2005.08.02.

Accordingly, the present inventor has researched and developed the present invention in order to solve the problem that the hand cart is not moved due to lack of braking ability of the hand cart when unloading the cargo in the conventional hand cart. In the present invention, The present invention provides a brake for a hand cart which can be safely unloaded in a braking state so that the hand cart does not move when a worker carries a cargo by himself or herself. Thereby completing the present invention.

According to an aspect of the present invention, there is provided a hand brake for a hand cart, which is applied to a hand cart having a support base on which a handle is formed at a top thereof in a stationary or folding configuration with one side of a pedestal base to which a wheel is coupled downward. A housing having an operating hole formed in a lower side thereof; A clamp coupled to an upper end of the housing so as to be clamped to a reinforcing member provided laterally to the support; A reinforcing support pipe fixed to the lower end of the housing so as to be parallel to the reinforcing member; An abutting portion which is fitted into the reinforcing support pipe in a protruding manner and is brought into close contact with the support frame; A brake pin protruding and retracted into the operating hole while being housed in the housing; A vertical movement path formed in the housing in an axial direction to guide the pressing pin coupled to an upper end of the brake pin, and an upper locking groove and a lower locking groove formed in the upper and lower ends of the vertical movement path in a circumferential direction; And a restoring spring incorporated in the housing and elastically supporting the brake pin toward the upper retaining groove.

The reinforcing support pipe is provided with a compression spring to elastically support a slide pin formed integrally with the contact strip so that the contact strip can be pressed toward the support strip.

The reinforcing support pipe is formed with a screw hole in a direction perpendicular to the axis, and the setting bolt is engaged with the screw hole so that the slide pin integrally formed with the contact hole can be fixed in a state sandwiched by the reinforcing support pipe.

The brake for a hand cart provided in the present invention has the following effects.

It can be easily attached to and detached from a hand cart of various sizes used in the market, and there is no financial burden to purchase a hand cart separately.

It is easy to manufacture, and can be supplied at low cost.

Since the hand cart can be braked so as not to move when the cargo is unloaded, the hand cart can be kept in a braking state during the unloading process, and the worker can work safely, thereby reducing the risk of industrial accidents.

1 is a perspective view showing a preferred embodiment of a brake for a hand cart provided by the present invention;
2 is a front sectional view of a brake for a hand cart provided by the present invention
Fig. 3 is a side sectional view of the brake for a hand cart provided by the present invention
Fig. 4 is a cross-sectional view taken along the line B-B in Fig.
Fig. 5 is a cross-sectional view of another example showing the engagement state of the contact zone applied to the present invention
6 is a perspective view of a hand cart to which the present invention is applied.
FIG. 7 is a perspective view showing a state in which a support having a handle is folded in FIG.

Hereinafter, a preferred embodiment of a brake for a hand cart provided in the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a preferred embodiment of a brake for a hand cart provided in the present invention, and FIGS. 2 and 3 show a front sectional view and a side sectional view of a brake for a hand cart provided by the present invention And FIGS. 4 and 5 are cross-sectional views showing the coupled state of the contact strip applied to the present invention.

6, the brake 1 for a handcart according to the present invention is configured such that the upper end of the handle 131 is fixed to one side of the stacking plate 110 to which the wheel 120 is coupled as shown in FIG. 7, The hand cart 100 can be braked when the operator alone loads the hand cart 100 by moving the hand cart 100 with the support base 130 formed thereon.

The structure of the brake 1 for a hand cart to be provided in the present invention is such that the housing 2 in which the lower end is located on the upper portion of the antistatic plate in the installed state and the housing 2 is fixed to the handle 131 of the hand cart 100 A contact portion 5 to be assembled with the clamp 3 and the reinforcing support pipe 4 for fixing the formed support 130 to each other and the brake pin 6 and the restoring spring 7 to be housed in the housing 2 .

The housing 2 has a pipe structure in which the caps 21 and 22 are coupled to the upper and lower parts to seal the housing 2 and the lower cap 22 forms an operation hole 22a. A vertical movement path 23 is formed in the housing 2 in the axial direction and an upper engagement groove 24 and a lower engagement groove 25 are formed in the upper and lower ends of the vertical movement path 23, respectively. The vertical movement path 23 is a position where the hand cart 100 is exposed to the front in the assembled state of the brake 1 for a hand cart of the present invention, And the upper latching groove 24 and the lower latching groove 25 are formed at an angle of 90 degrees in the circumferential direction.

The clamp 3 is coupled to the upper end of the housing 2 and the reinforcing support pipe 4 is coupled to the lower end of the housing 2 so as to be positioned opposite to the vertical movement path 23 formed in the housing 2.

The clamp 3 is configured to be clamped by a reinforcement member 132 provided in the transverse direction on the support base 130 and may be provided with various constructions. In the present invention, a fixing member 31 fixed to the housing 2, A pivoting member 33 whose one end is fixed to the fixed member 31 by pivoting and a pivot member 33 which is pivotally connected to the fixed member 31 and which is inserted into a groove formed in the pivoting member 33 34 and a nut 35 fastened to the bolt member 34. The clamp 3 having the above-described structure is secured in a state of wrapping the support base 130 to provide the function of fixing the upper end of the housing 2.

The reinforcing supporting pipe 4 is coupled with a slide pin 51 integrally formed with a contact strip 5 which is in close contact with the support base 130 of the hand cart 100.

The combination of the reinforcing support pipe 4 and the slide pin 51 proposes two configurations in the present invention.

The compression spring 8 is built in the reinforcing support pipe 4 so as to support the slide pin 51 integrally formed with the abutting portion 5 and the fixing guide 9 are screwed together so that the slide pin 51 is engaged without releasing.

In order to fit the support table 130 of the hand cart 100 in this manner, the contact strips 5 are first pressed to push the slide pins 51 into the support pipe 4, When the pressing force is released in a state in which the contact strip 5 is located inside the contact strip 5, the contact strip 5 is brought into close contact with the support strip 130 by the expansion of the compression spring 8.

A slide pin 51 integrally formed with the contact strip 5 is coupled to the second reinforcement support pipe 4 and a screw hole 41 is formed in the tip end of the reinforcement support pipe 4 in the direction perpendicular to the axis, 41 to which the setting bolt 42 is attached. In this case, first, the setting bolt 42 is loosened so that the slide pin 51 can be moved to be coupled to the support base 130 of the hand cart 100, The setting bolts 42 are fastened in a state in which they are in close contact with each other, and the contact piece 5 is fixed.

The brake pin 6 installed in the housing 2 is formed with a spring bearing 61 at an upper end thereof to support the brake pin 6 upward via a restoring spring 7 between the lower stopper 22 And the brake pin 6 is provided with a vertical movement path 23 formed in the housing 2 so as to be projected out of the housing 2 through an operation hole 22a formed in the lower stopper 22, The pressing pin 62 is moved in the direction indicated by the arrow.

When the brake pin 6 is moved upward by the elastic force of the restoring spring 7, the brake pin 6 is drawn into the housing 2. Conversely, when the pressing pin 62 is pressed by the hand or foot, The return spring 6 is moved downward while pressing the restoring spring 7 to be drawn out of the housing 2 to function as a brake 1 for the hand cart. When the brake pin 6 is moved upwards, the brake pin 6 is drawn into the housing 2 located on the upper side of the stacking plate 110, so that the brake pin 6 can be used without obstacle It will be done.

The pressing pin 62 may be turned by 90 degrees and inserted into the upper latching groove 24 or the lower latching groove 25 in order to maintain the upward or downward state along the vertical path 23 as described above.

When the push pin 62 is inserted into the upper engagement groove 24, there is no contact with the body during the operation of the hand cart 100. Also, when the support base 130 is folded and stored, It is possible to solve the problem of being exposed. When the push pin 62 is inserted into the lower latching groove 25, the hand cart 100 can be kept in the braking state, so that the loading and unloading operation can be performed more safely when unloading the object.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of protection of the present invention should not be limited to the described embodiment, but should be determined by the equivalents as well as the claims that follow.

1: brake for hand cart 2: housing
21, 22: plug 22a:
23: vertical movement path 24: upper fastening groove
25: lower latching groove 3: clamp
31: fixing member 32: pin
33: pivoting member 34: bolt member
35: nut 4: reinforced supporting pipe
41: screw hole 42: setting bolt
5: contact area 51: slide pin
6: Brake pin 61: Spring bearing
62: pressing pin 7: restoring spring
8: Compression spring 9: Fixing guide
100: Hand cart 110: Stacking plate
120: Wheel 130: Support
131: handle 132: reinforcement member

Claims

A brake for a hand cart (1) is applied to a hand cart (100) in which a support base (130) having a handle (131) formed at an upper end thereof in a fixed or folded configuration is coupled to one side of a load board (110) );
A housing 2 having an operation hole 22a formed on the lower side thereof;
A clamp 3 coupled to the upper end of the housing 2 so as to be clamped to a reinforcement member 132 provided laterally in the support base 130;
A reinforcing support pipe (4) fixed to the lower end of the housing (2) so as to be in parallel with the reinforcing member (132);
A contact strip (5) fitted into the reinforcing support pipe (4) so as to be in close contact with the support base (130);
A brake pin (6) protruding and retracted into the operating hole (22a) while being housed in the housing (2);
The vertical movement path 23 and the vertical movement path 23 formed in the housing 2 in the axial direction so as to guide the pressing pin 62 coupled to the upper end of the brake pin 6 are provided in the upper and lower ends in the circumferential direction An upper latching groove 24 and a lower latching groove 25 formed;
And a restoring spring (7) built in the housing (2) and elastically supporting the brake pin (6) toward the upper retaining groove (24).

The method of claim 1,
The reinforcing support pipe 4 is provided with a compression spring 8 so as to elastically support the slide pin 51 formed integrally with the contact strip 5 so that the contact strip 5 can be pressed toward the support strip 100 Brakes for hand carts featured.

The method of claim 1,
A screw hole 41 is formed in the reinforcing support pipe 4 in a direction perpendicular to the axis and the setting bolt 42 is engaged with the screw hole 41 to reinforce the slide pin 51 formed integrally with the contact strip 5 So that it can be fixed in a state of being fitted to the support pipe (4).