KR100456935B1 - Opening and shutting assembly structure of truck cargo box - Google Patents

Abstract

The present invention relates to a truck loading box switchgear structure in which a catch hook assembly is installed inside a side gate in a vehicle longitudinal direction so as not to be exposed to the outside. In a conventional truck loading box switchgear structure, a front guard frame of a truck stacker front ( 20) Catch hook 22 having a bent portion at one side and an intermediate hole 24 at one side thereof is installed on the upper side of the front guard frame 20 at both front and rear space portions of the side gate front frame 80 which is in contact with both sides. Orthogonal to the catch hook 22 and the first fastening hole 84 and the second square hole 82 is formed on the side in front of the front side of the front frame 80, the first fastening hole 84 and the second square The protective jig 90 having the second fastening hole 94 and the third square hole 92 is in close contact with the hole 82, and the inside of the side front frame 80 has a flat cross-sectional shape in the shape of '┏'. Formed and a second hinge inside the upper surface A rotating bracket 66 having a 52 and a second fastening nut 64 fastened to the fixing bolt 100 are attached, and the first square hole 68 and the first square hole 68 are attached to the middle portion of the front side. The first and second fastener nuts 62 are attached to the upper and lower portions of the catch support plate 60. The protective fixture 90 and the catch support plate 60 are simultaneously fixed to the side gate front frame 80 with the weld nuts. The first and second hinge holes 42 are formed at both ends of the second and third square holes 68, 82, and 92, and a ring-shaped bent portion is formed at one end thereof, and a rotating pin 34 is inserted at an outer side of the other end thereof. Inserting the fitting member 30, the slot hole 54 of the elliptical side is formed on both sides, the hinged to the second hinge hole 52 formed symmetrically on both sides of the rotary bracket 66 and one end and a spring in the space 40 and the first spring sheet 36 having a '┨' shape and the second spring sheet having a '┨' shape having an insertion hole into which the rotation pin 34 is inserted into the outer surface ( 38 is connected to the handle 50 is installed and the fitting member 30, the catch cover 70 is coupled to the outer surface of the handle 50 structure.

Description

Opening and shutting assembly structure of truck cargo box}

The present invention relates to a catch hook assembly structure that is installed to open and close the side gate of the loading compartment when loading and unloading of cargo in a freight truck, and more specifically, the truck loading compartment opening and closing configured in the side gate so that the catch hook assembly is not exposed to the outside Device structure.

In general, a truck is provided with a loading box for carrying cargo, and the loading box is formed by sidewalls that facilitate the stability of cargo loading and loading and unloading of the cargo, and the sidewalls form a side forming an outer side of the loading box. And a rear gate provided at the rear of the gate and the side gate to form the rear of the loading box.

The side gate and the rear gate are hinged to the outside of the floor that forms the bottom of the storage box so as to be openable and closed, and the side gate and the rear gate are provided with a locking device to maintain the closed state, and the side gate is mounted on the vehicle body. After being fixed, it is kept closed by the catch hook assembly.

The catch hook assembly is configured to be fixed to the front guard that abuts the side gate and the rear gate and the side plate and the front plate of the loading compartment.

1 is a side view showing a catch hook assembly of a conventional truck loading box, FIG. 2 is a front view showing a catch hook assembly of a truck loading box, and FIG. 3 is a cross-sectional view of part A-A of FIG.

As shown in the figure, forming both sides of the front of the loading box, One side of the front guard frame (4) having a flat cross-sectional shape of the 'shape' is formed with a through hole (2) for inserting the 'b' shaped catch hook (1) and the side when opening and closing the side gate Catch bumpers 3 made of rubber are inserted to alleviate the impact generated.

The catch hook 1 fixed to the side of the front guard frame 4 is inserted in the through hole 2 so that the locking groove 5 is exposed to the outside.

Under the catch hook 1 is provided a base plate 6 which is fastened and fixed with a plurality of screws.

A first hinge hole 7 is formed at one end of the base plate 6.

In addition, the handle 8 is connected to the first hinge hole 7 by a hinged joint to be able to rotate up and down.

A second hinge hole 9 having a flat cross section in the form of 'a' is formed at one middle portion of the handle 8.

The fitting member 12 is connected to the second hinge hole 9 by a hinge joint so that one end thereof contacts the hook gate 11 fixed to the side of the side gate front frame 10 to fix the side gate.

The catch hook assembly of the conventional truck loading box having the above configuration has a problem that the appearance of the vehicle is not good because the catch hook assembly is exposed to the outside.

An object of the present invention devised to solve the problems described above is to disassemble the catch hook handle and open the side gate without exposing it to the outside by installing the catch hook assembly embedded in the side gate.

In order to achieve the object as described above, the catch hook is fixed so that the position is limited to the outer side of the front guard contacting the stacker plate and the side gate, the fitting member tightly coupled to the catch hook, and the fitting member to the catch hook And a handle installed to rotate left and right inside the side gate frame, the hinge hole connecting the fitting member and the handle to be rotatable, and installed between the hinge hole and the handle when the handle is operated. A catch hook assembly including a spring installed elastically in the direction in which the fitting member engages with the catch hook is installed in the longitudinal direction inside the side gate front frame to provide a truck loading box switchgear structure configured in an advantageous structure.

1 is a left side view of a catch hook assembly of a conventional truck loader.

2 is a front view showing the catch hook assembly of the truck loader.

3 is a cross-sectional view of the A-A portion of FIG.

Figure 4a is a plan view of the catch hook assembly installed in the truck loading box opener structure according to an embodiment of the present invention.

4B is a front view.

4C is a left side view.

Figure 5 is a block diagram showing a configuration of a truck loading box opening and closing apparatus according to an embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

1: catch hook 2: through hole

3: catch bumper 4: front guard frame

5: Hanging groove 6: Base plate

7: first hinge hole 8: handle

9: second hinge hole 10: side gate front frame

11: hook gate 12: fitting member

20: front guard frame 22: catch hook

24: middle hole 26: catch bumper

30: fitting member 32: fitting groove

34: rotating pin 36: first spring seat

38: second spring sheet 40: spring

42: first hinge hole 50: the handle

52: second hinge hole 54: slot hole

60: catch support plate 62: first fastening nut

64: second fastening nut 66: rotating bracket

68: first square hole 70: catch cover

80: side gate front frame 82: second square hole

84: first fastening hole 90: protective jig

92: third square hole 94: second fastening hole

96: weld nut 100: fixing bolt

According to the present invention, in the conventional truck loading box opening and closing device structure, a bent portion and an intermediate hole (inside) are formed at one side in both front space portions of the side gate front frame 80 which abuts both sides of the truck front front guard frame 20. The catch hook 22 having the 24 formed thereon is installed on the upper side of the front guard frame 20 and is orthogonal to the catch hook 22 and the first fastening hole 84 is formed on the side of the front front side of the side front frame 80. A protective jig 90 having a second fastening hole 94 and a third rectangular hole 92 in the first fastening hole 84 and the second square hole 82 is formed by forming a second square hole 82. In close contact with the inside of the side front frame 80 is formed in the shape of a flat cross-section '┏' shape and fastening with a rotating bracket 66 and a fixing bolt 100 having a second hinge hole 52 inside the upper surface. The second fastening nut 64 is attached, and the first square hole 68 and the first square hole 68 are disposed in the middle of the front side. And catch the catch support plate 60 to which the first fastening nut 62 is attached, thereby simultaneously fixing the protective fixture 90 and the catch support plate 60 to the side gate front frame 80 with weld nuts. 2, 3 square holes 68, 82, 92 is formed with a ring-shaped bent portion at one end, the first hinge hole 42 is inserted at both ends to insert the rotary pin 34 on the outer surface of the other end Inserting the member 30, the slot hole 54 of the elliptical side is formed on both sides, the hinged to the second hinge hole 52 formed symmetrically on both sides of the rotary bracket 66 and one side and the spring ( 40) and the handle 50 in which the first spring sheet 36 having a 'shape' shape and the second spring sheet 38 having a 'shape' shape, in which an insertion hole into which the rotary pin 34 is inserted, are formed. And the fitting member 30 are connected to each other, and the catch cover 70 is coupled to the outer surface of the handle 50. It is installed in the front both space portions of the side gate front frame 80 which abuts both sides of the truck front front guard frame 20, and is accommodated inside the front inner rear of the side gate front frame 80. When the side gate is not opened using the switchgear, the front end is shaped into a rectangular cross section and bolts or clips (not shown) are formed on the outer surface of the handle 50 as shown in FIG. The catch cover 70 fixed by using the cover the outer surface to seal and at this time to secure a predetermined space above and below the catch cover 70 in order to grab the handle 50, of course, if necessary Since the width of the upper and lower may be different, it is not particularly shown. The front guard frame 20 fixed to limit movement of the side gate is It is formed on both sides of the containing plate. On one side of the front guard frame 20, a catch hook 22 having a flat section of the '┓' shape is attached in the vehicle longitudinal direction and the bent portion of the catch hook 22 An intermediate hole 24 into which one end side of the fitting member 30 is inserted is formed.

The other side of the front guard frame 20 is inserted and fixed to the catch bumper 26 to absorb the shock when opening and closing the side gate.

The shape of the fitting member 30 into which the ring-shaped bent portion formed at one end is inserted into the middle hole 24 is formed by a first hinge hole 42 into which the rotary pin 34 is inserted into the outer surface of the other end. It is hinged with 50.

The fitting member 30 translates left and right as the handle 50 is rotated.

The configuration of the handle 50 hinged by the fitting member 30 and the rotation pin 34 in an elliptical slot hole 54 formed in both sides symmetrically in the middle portion is rotatable bracket 66 and rotatable at one end. Second hinge hole 52 to be hinged is formed on both sides.

In the spaced space of the fitting member 30, the spring 40 is installed to receive elasticity in the direction in which the fitting member 30 engages with the catch hook 22 and the first 'shape' shape being an elastic support means. A second spring sheet 38 having a '시트' shape in which the rotating pin 34 is inserted into the spring sheet 36 and the outer portion is installed.

The configuration of the catch support plate 60 in which the shape of the flat cross section is formed in a '┏' shape so that the outside of the upper surface is directly attached to the side gate is made by passing through one end of the bent portion of the fitting member 30 in the middle of the bent surface. A square hole 68 is formed, and both ends are attached with a first fastening nut 62 fastened to the weld nut 96.

The upper surface of the catch support plate 60 is attached to the rotating bracket 66 is fastened to the handle 50 and the hinge joint by the second hinge hole 52, the fixing bolt 100 inside the bent portion formed at one end ) And a second fastening nut 64 is fastened.

The construction of the side gate front frame 80 having a flat cross-sectional shape of a 'c' shape to fix the catch support plate 60 and the protective jig 90 having the catch hook assembly attached to the side gate is welded on one side. A first fastening hole 84 into which the nut 96 is inserted and a second square hole 82 for penetrating the fitting member 30 are formed.

The protective jig 90 having a front end in a rectangular shape has a third square hole 92 through which the fitting member 30 penetrates in the middle of one side thereof, and is directly connected to the side gate front frame 80 at both ends. The second fastening hole 94 into which the weld nut 96 may be inserted to prevent the friction is formed and fixed to the outside of the bent surface of the catch support plate 60.

And, as shown in Figure 5 which is a block diagram showing the configuration of the truck loading box opening and closing device according to an embodiment of the present invention, when explaining the operation of disassembly of the opening and closing device of the truck loading box, the handle 50 once the rotating bracket 66 Rotating in the A direction centering on the second hinge hole (52) formed on the side interlocked with the fitting member 30 is hinged to the first hinge hole (42) formed in the middle portion of the handle (50) ) Also moves in the a direction with respect to the first hinge hole 42, at which time, the spring 40, which was compressed inside the handle 50, is released to be expanded again, and the fitting member 30 ) Can be disassembled from the catch hook 22 and the side gate can be disassembled from the front guard frame 20.

On the contrary, when the side gate is fixed in operation, when the handle 50 is rotated in the B direction, the fitting member 30 is also moved in the b direction in conjunction with this, and the handle 50 is rotated in the A direction so that the ring One end of the fitting member 30 is inserted into the middle hole 24 of the catch hook 22, and the handle 50 is rotated to the end in the B direction until the first spring seat 36 is the spring 40. When the handle 50 is fixed by the compression and the handle 50 is fixed, the state in which the fitting member 30 and the catch hook 22 are engaged with each other is firmly maintained by the compression elasticity of the spring 40 and the side Secure the gate.

In addition, when the elasticity of the spring 40 is overcome when the handle 50 is locked, the catch hook assembly can be locked, and the handle 50 can be operated very smoothly by the elastic force of the spring 40.

The effect of the present invention having the configuration as described above is installed because the catch hook assembly is built in the side gate is not exposed to the outside, while pulling the catch hook handle and at the same time open the side gate is improved convenience.

Claims (3)

In a conventional truck loading box opening and closing device structure, a bent portion on one side and an intermediate hole 24 on an inner side of the front gate frame 80 which are in contact with both sides of the front loading frame 20 of the truck loading box. The formed catch hook 22 is installed on the upper side of the front guard frame 20 and is orthogonal to the catch hook 22 and the first fastening hole 84 and the second square on the side of the front side of the front front frame 80. A hole 82 is formed to closely contact the protective jig 90 having the second fastening hole 94 and the third square hole 92 to the first fastening hole 84 and the second square hole 82. The inside of the front frame 80 is formed in the shape of a flat cross-section '┏' and the upper side inside the second side fastening by the fixing bracket 100 and the rotating bracket 66 having a second hinge hole 52 A fastening nut 64 is attached, and a first square hole 68 and a first square hole 68 are disposed above and below the front side middle portion. The catch support plate 60 to which the fastening nut 62 is attached is brought into close contact to fix the protective fixture 90 and the catch support plate 60 to the side gate front frame 80 at the same time with the weld nut. The fitting member 30 having the first hinge hole 42 having both ends thereof formed with a ring-shaped bent portion at one end of the hole 68, 82, 92 and a rotating pin 34 is inserted at an outer side of the other end. Inserted, but the slot hole 54 of the elliptical side is formed on both sides and the rotation bracket 66 and one side is hinged to the second hinge hole 52 formed symmetrically on both sides and the spring 40 and ' The fitting member 50 and the fitting member in which the first spring sheet 36 having a 'shaped' shape and the second spring sheet 38 having a 'shaped' shape having an insertion hole for inserting the rotary pin 34 into the outer surface are formed. While connecting the 30, the truck loading box opening and closing, characterized in that the catch cover 70 is coupled to the outer surface of the handle 50 Structure. delete delete