KR940001348B1 - Door locking device - Google Patents

Abstract

No summary.

Description

Door latching / unlocking device for truck loading box

1 is a perspective view of a state in which the first example is installed in the loading box of the cargo carrier of the present invention.

2 is an enlarged perspective view of part A of FIG. 1;

3 is an enlarged side view of the portion A of FIG.

4 and 5 are cross-sectional views taken along lines I-I and II-II of FIG.

6 is a cross-sectional view of the unlocked state of the present invention.

Fig. 7 is an enlarged side view of the door in a state of being well-groomed.

8 is a cross-sectional view taken along line III-III of FIG.

9 is an enlarged side view of a second embodiment of the main part of the present invention.

10 is a sectional view taken along line IV-IV of FIG.

11 is a cross-sectional view illustrating the operation of the second embodiment.

12 is an enlarged side view of a third embodiment of the present invention.

FIG. 13 is a cross-sectional view taken along the line VV of FIG. 12. FIG.

14 is a cross-sectional view illustrating its operation.

* Explanation of symbols for main parts of the drawings

1: loading box 2: prop

3 ₁ , 3 ₂ : Curved Galley 4: Support Plate

5: hinge 6: door

7 ₁ , 7 ₂ , 18 ₁ , 18 ₂ : long hole 8: hanging plate

9: protruding edge 9 ': upper part between operations

10: rotating pivot 11,20: part attached so that rotation is possible

12: fitting frame 16: connecting projection

15,25,26: Tanval spring 17: Induction cylinder

17 ': guide protrusion 19: between operation

19 ': Upper part 19 ": protruding part

21: connecting plate 22: open place

23: upper frame edge 24: support body

28: stop walking 27: the top of the bullet spring (26)

According to the present invention, the door plate of the cargo carrier is hooked and unrolled at the upper and lower two hooks. Relates to a device.

The hooks on the door of the cargo tray of the cargo carrier are installed in the upper and lower two stages separately in the props to be fixed in the loading box, and the hooks on the upper and lower ends are to be hooked and loosened separately.

Therefore, in the conventional hooking and unwinding device, the upper and lower hooks each have two steps of operation, which is complicated in operation, and is not only very inefficient, but also has an uncertainty in the position of the hook hole and the hook.

On the contrary, the present invention is an improvement of the conventional technology, and the present invention will be described below with reference to the drawings.

[First Embodiment]

In Figures 1 to 6 each of the upper and lower sides of each of the upper outer surfaces of several "c" shaped elongated strip-shaped props (2) fastened at fixed intervals on both sides of the cargo box (1) of the freight carriage (1). Three bent barks (3 ₁ ) and (3 ₂ ) are installed to protrude through the elongated strip-shaped support plate (4), and load the lower edges between the struts (2). 5) is equipped with a door (6) attached to the upper and lower two long holes (7 ₁ ) (7 ₂ ) protruding by inserting the above-described bent bark into each edge of the door (6) The substrate edge of the pivotal arm 10 is installed on the protruding edge 9 which is installed to be connected to the connecting plate 21 of the belt-shaped attaching arm and protrudes outward from the lower edge of the above-described attaching plate 8. Attachable to rotate (1 1) and the lower end of the fitting frame 12 bent in a long frame shape to the lower edge of the pivoting arm 10 is pivotally attached (13) and the top edge of the fitting frame 12 is rotated (14). Induced by the coupling projection 16 elastically penetrated by the elastic spring spring 15 and elastically attached to the induction cylinder 17 protruding from the above-described mounting plate 8, and also described above at the upper and lower ends. It is attached 20 so that the lower edge of the operating pipe 19 which installed the elongate hole 18 ₁ and 18 ₂ which hangs the curved ribs 3 ₁ and 3 ₂ can rotate.

The above-mentioned actuating pipe 19 forms a strip of thin elongated strip as shown in FIG. 3 or has a rod-side shape as shown in FIGS.

According to the first embodiment, as shown in FIGS. 2 to 5, the upper and lower holes of the mounting plate attached to the door are inserted into the bent claws, which are installed to protrude into the support pillar, to support the door. Fasten the upper and lower holes of the operation between the ribs and pull down the pivoting bar as shown in the perspective view of FIG. 2 to fix the bent hooks to the opening of the operation of the long holes.

In this case, the operation interval is guided by being inserted into the induction cylinder, so that the engaged position is maintained in a normal position without staggering from side to side.

In addition, since the connecting projection is elastically penetrated by the elastic spring and elastically attached to the top edge of the fitting frame, the above-mentioned bent bark and the long hole that is fastened to the hook and the state of fastening are tightly tightened.

If the door is opened, as shown by the chain line in Fig. 6, the engaging frame attached to the lower edge of the pivoting shaft is pulled up by the support shaft as the support shaft. The length of the operation is pulled up accordingly, and the long hole opening installed in this is opened from the above-mentioned bent colander and the door is tilted and opened.

In this case, the lower edge of the operation is tightened elastically and firmly by the connecting projection elastically installed on the fitting frame.

Second Embodiment

In FIGS. 9 to 11, the upper and lower sides of each of the "c" shaped long band-shaped props 2, which are firmly installed and firmly installed at both sides of the loading box 1 of the freight carrier 1, respectively, are vertically Two curved hooks (3 ₁ ) and (3 ₂ ) are installed so as to protrude on the back of a long strip-shaped support plate (4) so that the lower edge is placed between the struts (2) and (2). The doors 6 and 6 attached by the hinges 5 and 5 are installed so as to freely open and close to the pedestals, and the above-mentioned bent barks are inserted into each of the doors 6 and 6 to protrude. The upper and lower two long holes 7 ₁ and 7 _{2 are} provided to connect the connecting strips 21 and 21 with a long strip-shaped fastening plate 8. Bottom plate of the swinging arm 10 on the protruding edge 9 which protrudes outward from the lower edge of the edge 8 The lower edge of the retaining frame 12, which is bent in the form of a long frame, is attached to the lower edge of the pivoting arm 10, and the lower edge of the pivot is rotated (13). An induction cylinder 17 protruding from the connecting projection 16 elastically attached to the top edge 14 of the frame 12 by the carbon spring 15 and protruding from the above-described mounting plate 8. The lower edge of the operating section 19, which is guided to the upper and lower end edges and has a long hole opening 18 ₁ , 18 ₂ , which hangs the above-mentioned bent ribs 3 ₁ , 3 ₂ , It is attached 20 so that it can rotate.

The above structure is substantially the same as in the above-described first embodiment, but in the second embodiment, the above-described operation is performed on the upper frame edge 23 of the open part 22 installed on the upper portion of the above-mentioned operation 19. The lower end of the upper end portion 19 'of 19) penetrates between the pedestal 24 and the inner surface of the upper frame edge 23 fixed to the portion 19 " protruding into the frame of the open speed. It is pressed by the spring 25.

According to this second embodiment, the upper and lower long holes of the fastening plate attached to the doors are inserted into the bent ribs installed to protrude into the support pillar to support the doors, and the upper and lower long holes between the operations are open to the bent ribs. The hooks are pulled down as shown in the cross-sectional view of FIG. 10, and the bent hooks are firmly fixed to the open holes in the operation.

In that case, the inter-operation is guided in the guide cylinder, so that the engaged position can be maintained without staggering.

In addition, since the connecting protrusion is elastically penetrated by the elastic spring and elastically attached to the top edge of the fitting frame, the fastening of the long hole where the above-mentioned hook and hook are fastened is firmly tightened.

In addition, when the door is opened, as shown in the dashed line of FIG. 11, the engaging frame attached to the lower shaft of the pivoting shaft is pulled up by pulling the pivoting shaft as the intermediate support shaft. The operating rod is pulled up and the long hole installed in it opens out from the bent ribs described above and tilts the door.

In this case, the bottom end of the operation is elastically and firmly tightened by a connecting protrusion elastically installed in the fitting frame, but in the second embodiment, the upper end of the operation 19 is described above. The lower end of the upper portion 19 'of the above-described operating section 19 penetrates the upper frame edge 23 of the set opening 22, and the portion 19 "protrudes into the opened frame. As it is suppressed by the ball spring 25 mounted between the fixed base 24 and the inner surface of the upper frame rim 23, as shown in FIG. Engagement with the curved bark of the upper part of the prop is elastic, and even if there is a gap between the opening of the long hole of the upper part and the bent bark of the upper part, it is adjusted flexibly. That will be useful to work very effectively.

Third Embodiment

In Figures 12 to 14, the upper and lower sides of each of the upper and lower sides of a plurality of "c" shaped long band-shaped props (2), which are fixedly fixed upright at both sides of the loading box (1) of the freight carrier (1), respectively The two curved hooks (3 ₁ ) and (3 ₂ ) are installed so as to protrude on the support plate (4) in the form of an elongated strip, so that the bottom edge is placed between the support (2) and (2). The door plates 6 and 6 attached to the hinges 5 and 5 are provided so that the doors can be opened and closed freely, and the above-mentioned bent barks are fitted on both edges of the door plates 6 and 6. When the elongated strip-shaped fastening plate 8 installed with two long holes 7 ₁ and 7 ₂ protruded up and down is connected to the connecting plate 21 and 21, the above-mentioned hanging plate (8) The bottom edge of the rotating arm (10) is rotated on the protruding edge (9), which protrudes outward from the bottom edge. The lower end of the fitting frame 12 bent in the form of a long frame to the lower edge of the pivoting arm 10 is pivotally attached 13 so that it can be pivoted (13), and the fitting frame 12 The upper side of the guide protrusion (17 ') protruding from the connecting projection (16) and the above-described mounting plate (8) which is elastically attached so as to penetrate elastically to the top edge 14 of the It is guided by the long ribs 18 ₁ to which the bent hooks 3 ₁ are hooked, and also in the operation section 19 in which the long holes 18 ₂ are hooked to hook the bent hooks 3 ₂ to the bottom. The lower edge is attached so that it can rotate.

In this third embodiment, the upper end 27 of the carbon spring 26 wound around the upper side of the operation section 19 is stopped by the operation section 19 while the lower end of the attachment plate 18 is described above. As shown in Fig. 14, the upper and lower openings of the upper and lower openings of the mounting plate of the door are opened and the upper and lower openings of the upper and lower openings are opened, as shown in FIG. Since the above-mentioned up and down curved hooks of the props are made elastically, a long hole in the upper and lower sides is elastically hooked up and down without interlacing with the curved hooks of the upper and lower sides.

As described above, the present invention is to hang and loosen the upper and lower hooks on the upper and lower hooks with the door plate of the cargo tray of the cargo carrier, and at the same time, the hooks on the upper hooks can be hung and released very smoothly. It has an effect.

Claims (4)

On each of the upper outer surface of several long strip-shaped props which are fixed and installed at appropriate distances on both sides of the load carrier of the freight carrier, two bent up and down ribs are installed so as to rely on the elongated strip-shaped support plates. The top and bottom two doors are provided with hinges attached to the cargo racks with hinges so that they can be opened and closed freely between the props.The two tops and bottoms are inserted through each of the edges of the doors through the above-mentioned bent claws. The lower end of the pivot can be rotated on the protruding edge that is installed to connect the long band-shaped mounting plate installed in the elongated hole of the hook and protrudes on the outer surface of the lower edge of the above-mentioned mounting plate. It is attached so that it can be attached to a long frame It is attached to the lower end of the bent frame to be rotated, and is connected to the connecting projection which is elastically attached to penetrate the top of the frame, and the induction cylinder installed to protrude from the above-mentioned fastening plate. A door lock / unlock device for a freighter loading box, characterized in that the lower edge of the operation is installed to allow the lower edge of the operation between the upper and the lower edges to be attached to the long hole for attaching the above-mentioned curved bark. 2. The apparatus according to claim 1, wherein the above-mentioned operating intervals are configured in the shape of a plate or rod in the form of an elongated strip. On each upper outer surface of several elongated strip-shaped props, which are fixed by placing the cargo tray of the cargo truck at the proper intervals on both sides, two bent hooks are placed on the upper and lower sides, respectively, protruding by the elongated strip-shaped support plate. Two doors, the upper and lower sides of which are provided with a hinged plate attached to the cargo racks with hinges so that they can be opened and closed between the supports, and the above-mentioned bent barks are inserted into each edge of the plate. A long strip-shaped hanging plate attached to the hole is installed. The bottom edge of the rotating arm can be attached to the protruding edge that protrudes on the outer surface of the lower plate. Bent into a long frame It is attached to the lower end of the fitting frame so that it can be rotated, and is attached to the connecting projection which is elastically attached to penetrate the upper edge of the fitting frame, and the guide cylinder protruding from the above-mentioned holding plate. The upper part of the above-mentioned operation is attached to the upper frame edge of the cut-out part installed in the upper part of the above-mentioned operation as it is attached so that the lower edge between the operation which installed the long hole which hangs the above-mentioned curved bark can be rotated. And a support body fixed to a portion protruding into the open frame, and the upper part is pressed down by a bullet spring mounted between the inner surface of the edge. Relying on the outer surface of each upper part of several long band-shaped struts fixed uprightly at both sides of the cargo stacking base of the cargo carrier and two curved ribs up and down, respectively, are supported by a thin long band-shaped support plate. It is installed so as to protrude, and a door plate is provided with hinges attached to the cargo loading pedestals freely by hinges between the props, and the upper and lower sides of the doors are fitted with the above-mentioned bent hooks. It is possible to connect the long strip-shaped hanging plate installed at the bottom of the two long holes, and the bottom edge of the pivot can rotate on the protruding edge which protrudes from the outer edge of the above-mentioned hanging plate. In the shape of a long frame on the lower part of the pivot The lower end of the broken fitting frame is attached so that it can be rotated, and the hooked hook on the upper side is attached to the connecting protrusion which is penetrated to the top edge of the fitting frame and is elastically attached to the above-mentioned guide plate. The long hole to be attached is guided into the open part, and the long hole to attach the hooked bent to the lower part is attached to the lower edge of the installed operation so as to be driven around the upper part of the operation described above. A top lock / unlock device of a freighter loading compartment, wherein the upper end of the Jintan Foot Spring is stopped between operations, and at the same time, the lower end is stopped by a stop mat installed protruding from the upper outer surface of the above-described mounting plate.

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