KR101720003B1

KR101720003B1 - Apparatus for locking of truck inserted locking bar

Info

Publication number: KR101720003B1
Application number: KR1020150109675A
Authority: KR
Inventors: 이인숙
Original assignee: (주)상전정공
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2017-03-27
Also published as: KR20170016219A

Abstract

A locking device for a freight car in which a locking bar is inserted is disclosed. In the locking device for a freight vehicle having a door for opening and closing a loading box of the present invention and a locking bar coupled to the door for restricting the opening or closing of the door, The locking bar is not exposed to the outside, thereby preventing the rust from rusting, thereby improving the durability thereof and also eliminating the need to plate the welding site, thereby reducing the manufacturing cost.

Description

[0001] The present invention relates to a locking device for a vehicle,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a locking device for a freight car, in which a locking bar is inserted into a car, and more particularly to a locking device for a freight car, .

A rectangular box type container for transporting goods as a means of loading has been used in the top cars (specially equipped vehicles), and the loading boxes of the freight vehicles are made of wood, plywood, steel, aluminum, light alloy, fiber reinforced plastic And it is classified into general use, liquid use, automobile use, freezing use, and warming depending on the kind of the cargo handled, and external materials and internal materials are modified and manufactured.

Such a loading box is widely used because it can reduce the time and cost due to easy transportation of general merchandise and special cargo without outer packaging, and can minimize the accident during transportation such as damage to cargo or loss or theft.

Such a container is provided with a side door for unloading goods at the rear side, and a locking device for locking the door is installed at the boundary of both doors.

After the locking device is unlocked, the side door is completely opened and the unloading operation is performed. The side door can be fully opened by about 270 ° from the closed state.

Such a conventional door opening / closing device for a loading box is shown in Fig.

A door D is installed on both left and right sides of the loading box S with a plurality of hinge brackets 20 to open and close the loading box S of the freight vehicle; And an opening / closing device 10 installed to be opposed to the upper and lower ends of the door so as to open and close the door D, respectively.

However, in such a conventional locking device, the locking bar exposed to the outside rotates to separate the locking bar from the engaging member provided on the rim of the vehicle, thereby opening and closing the door. Thus, there is a problem that the feeling of beauty is lowered, .

Korean Patent Publication No. 2003-0000755 (2003.01.06)

In order to solve such a problem, it is an object of the present invention to provide a locking device for a freight car in which a locking bar is inserted into a door and a locking bar which is not exposed to the outside is inserted therein.

In order to solve the above-described problems, the locking device for a freight vehicle according to the present invention includes a door that opens and closes a loading box, and a locking bar that is coupled to the door and restricts opening or closing of the door, So as to be interposed between the outer side surfaces.

Further, the door may include a reinforcing member between the inner side surface and the outer side surface, and a locking barhole may be formed between the reinforcing members in the longitudinal direction of the door, and the locking bar may be configured to pivot in the locking barhole desirable.

Therefore, according to the freight vehicle locking device in which the locking bar of the present invention is inserted into the inside, the locking bar is not exposed to the outside, so that it is not rusted, thereby improving the durability and also it is not necessary to plate the welding site, It is effective.

1 is a view showing a conventional loading / unloading apparatus.
2 is a perspective view of a loading / unloading apparatus according to an embodiment of the present invention.
Fig. 3 is a view showing one embodiment of the loading / unloading apparatus of the present invention.
4 is a perspective view illustrating a locking bar of the loading / unloading apparatus of the present invention.
5 is an exploded perspective view for explaining a locking bar of the loading / unloading apparatus of the present invention.
6 is a view showing an example of use of a locking bar.

It is to be understood that the words or words used in the present specification and claims are not to be construed in a conventional or dictionary sense and that the inventor can properly define the concept of a term in order to describe its invention in the best possible way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.

The terms "first "," second ", and the like throughout the specification are intended to distinguish one component from another and should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that the term "and / or" throughout the specification includes all possible combinations from one or more related items. For example, the meaning of "first item, second item and / or third item" may be presented from two or more of the first, second or third items as well as the first, second or third item It means a combination of all the items that can be.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 2 is an exploded perspective view of a locking device of a freight vehicle locking device in which a locking bar is inserted into the loading device according to an embodiment of the present invention, and FIG. 3 is a cutaway view of the loading device opening and closing device of the present invention.

As shown in the drawings, the freight vehicle lock apparatus of the present invention includes a door 300 for opening and closing a load box, first and second holders 160 and 180 at upper and lower ends of the door frame 200, And the first and second opening means 110 and 170 are provided at the edge of the door adjacent to the door 160 and 180. The opening means is formed by the rotation of the locking bar 320 which is formed inside the door 300, The opening means is opened to constrain the opening and closing of the door.

The inner side surface 340 and the outer side surface 330 may be formed of two or more reinforcement members 360. The inner side surface 340 and the outer side surface 330 may have a predetermined thickness, And a locking bar hole 310 is formed between the reinforcing members 360 in the vertical direction of the door 300 and the locking bar 320 is configured to rotate within the locking bar hole 310.

In order to lock / unlock the opening means from each holder by the locking bars 320 installed in the door 300, the locking bar 320 has the second opening means 170 coupled to the upper end thereof, The first opening means 110 is pivotally coupled to the first opening means 110 and the first opening means 110 is locked / closed in the first holder 160 by the rotation of the handle 117 of the first opening means 110. [ And at the same time the second opening means 170 coupled to the other end of the locking bar 320 is operated to be locked / unlocked in the second holder 180 by the rotation of the locking bar 320.

The first opening means 110 and the second opening means 170 respectively include fixing holes 114 and 172 through which the locking bars 320 are inserted and fixed. 171).

Therefore, the freight vehicle lock apparatus of the present invention not only keeps the door closed by the locking bar 320 that is installed in the door 300, can open the door more easily, So that the durability is improved and the manufacturing cost can be reduced because there is no need to plate the welded portion.

The first holder 160 is screwed to the door frame 200 through the through holes 161a and 161b in the base 161 formed of a metal plate having a predetermined thickness in order to fix the first holder 160 to the lower edge of the door frame 200. [ .

A first latching protrusion 162a is formed at one end of the first support portion 162 extending from the base 161 to fix the first latching portion 115 of the first opening means 110, (163) for releasing the first opening means (110) from the first stopping protrusion (162a) by a pivotal rotation of the first opening means (110) at a position spaced a predetermined distance away from the first opening means (162).

The first support part 162 and the first rotation step 163 are concave and dented so that the engaging part 115 of the first opening means 110 is operated to be locked / unlocked by the rotation of the locking bar 320 .

A stopper brace 164 is provided at an end of the stopper 150 of the first opening means 110 which is spaced apart from the first rotation stopper 163 by a predetermined distance.

The second holder 180 is screwed to the door frame 200 through the through holes 181a and 181b in a base 181 composed of a metal plate having a predetermined thickness for fixing the upper edge of the door frame 200. [

A second stopping protrusion 182a is formed at one end of the second support portion 182 extending from the base 181 and to which the second stopping portion 173 of the second opening means 170 is fixed. (183) to be released by a pivotal rotation of the second opening means (170) from the second stopping jaw (182a) at a position spaced a predetermined distance from the first opening (182).

The second supporting portion 182 and the second rotating step 183 are concavely dented so that the engaging portion 173 of the second opening means 170 is locked / unlocked by the rotation of the handle 117 do.

The first opening means 110 is fixed to an edge portion of the door 300 adjacent to the first holder 160 and is installed in the door 300 so as to be operated to be locked / unlocked with the first holder 160 Is coupled to one end of the locking bar 320 and is pivotably mounted.

The first opening means 110 forms a first locking portion 115 extending toward the first holder 160 so that the first opening means 110 is engaged with the first holder 160 when the door 300 is closed, And a handle 117 extending from the locking bar 320 to the opposite side of the first latching part 115.

The first locking part 115 is engaged with the first locking part 162a of the first holder 160 when the door 300 is closed and the first locking part 115 is locked with the locking bar 320, The opening state of the door is maintained when the first locking protrusion 162a is released from the first locking protrusion 162a.

The second opening means 170 is fixed to the edge portion of the door 300 adjacent to the second holder 180 so as to be operated to be locked / unlocked with the second holder 180, Is coupled to the other end of the locking bar 320 and is pivotably mounted.

The second opening means 170 forms a second locking portion 173 extending toward the second holder 180 so as to be caught by the second holder 180 when the door 300 is closed.

When the door 300 is closed, the second opening means 170 of this structure is engaged with the second locking portion 173 of the second locking protrusion 182a of the second holder 180, When the locking portion 173 is pivoted by the rotation of the locking bar 320 and released from the second locking protrusion 182a, the opened state of the door is maintained

The first opening means 110 and the second opening means 170 respectively have fixing holes 114 and 172 into which the locking bars 320 are inserted and fixed, , 171, respectively.

In addition, the handle 117 is pivotably mounted relative to the locking bar 320.

Hereinafter, the operation of the locking device of the freight vehicle of the present invention and the operation and effect thereof will be described.

When the door 300 is to be opened in the locked state, the stopper 150 is rotated in the left-right direction and the stopper 150 is locked from the stopper bracket 164 by the left- The locking bar 320 is rotated so that the first engaging portion 115 of the first opening means 110 is engaged with the first engaging portion 115 of the first opening means 110, The second locking portion 173 of the second opening means 170 coupled to the other end of the locking bar 320 is released from the first locking protrusion 162a of the holder 160, The lock state is released from the second latching jaw 182a of the door 180 and the door is safely opened.

When the door 300 is to be closed, the locking bar 320 is rotated by turning the handle 117, so that the first locking part 115 of the first opening device 110 is locked by the locking part of the first holder 160 The second engaging portion 173 of the second opening means 170 coupled to the locking bar 320 is engaged with the second engaging jaw 182a of the second holder 180, So that the door is kept closed.

6, the locking bar 320 may be formed in the inside of the door so as not to be seen from the outside, so that the appearance of the door can be saved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

110: first opening means 117: handle
120: key box 150: stopper
160: first holder 170: second opening means
180: second holder 200: door frame
300: Door 320: Locking bar

Claims

A locking device for a freight vehicle having a door that opens and closes a loading box and a locking bar coupled to the door and restricting opening or closing of the door,
Wherein the locking bar is interposed between an inner side surface and an outer side surface which form the door,
Wherein the door includes a reinforcing member between the inner side surface and the outer side surface, and a locking barhole is formed between the reinforcing members in a longitudinal direction of the door, and the locking bar is configured to pivot in the locking bar hole,
First and second holders disposed above and below the door frame;
A first holder which is fixed to an edge portion of the door so as to be adjacent to the first holder and which is pivotably mounted on one end of the locking bar and which is pivotally attached to the first holder when the door is closed; First opening means for forming a first latching portion and having a handle extending opposite to the first latching portion; And
The second holder being fixed to the edge portion of the door so as to be adjacent to the second holder and being pivotably mounted on the other end of the locking bar, and being extended to the second holder side so as to be caught by the second holder when the door is closed And second opening means for forming a second latching portion,
Wherein the first holder is provided with a locking bar having a stopper brace provided with a stopper at an end where the stopper of the first opening means is locked and released.

delete