KR102102475B1 - Assembly type door structure for truck load box - Google Patents

Abstract

The present invention relates to a prefabricated door piece for a truck load box which aims to provide effects of increasing manufacturing efficiency as a door piece main body takes a prefabricated structure and reducing costs since only the parts on a damaged part can be replaced when damage occurs. To this end, according to the present invention, in a door piece main body (10) rotatably connected to and installed on a left side surface, a right side surface, or a rear surface of the truck load box to be opened/closed by making a prefabricated structure of an upper door piece (11), a lower door piece (12), and a lower cap (13), the prefabricated door piece for a truck load box comprises: a first insertion groove (11′) formed on a lower side of the upper door piece (11) to allow an upper end part of the lower door piece (12) to be inserted thereinto, wherein a first hanging bump (11a) is installed to protrude from an inner wall surface of the first insertion groove (11′); a first hanging protruding unit (12b) configured on an upper end part of the lower door piece (12) to be hung on the first hanging bump (11a) and a second insertion groove (12′) formed on a lower end part to allow an upper end part of the lower cap (13) to be inserted thereinto; a second hanging bump (12a) installed to protrude from an inner wall surface of the second insertion groove (12′); a second hanging protruding unit (13b) configured on an upper end part of the lower cap (13) to be hung on the second hanging bump (12a); and hinge members (13a) arranged on a lower side at regular intervals.

Description

ASSEMBLY TYPE DOOR STRUCTURE FOR TRUCK LOAD BOX}

The present invention relates to a door for a truck loading box, and more particularly, to a door for a truck loading box so that the door installed in the rear loading box of the truck is made of a prefabricated structure.

In general, the loading box of a truck that hates cargo is a vehicle designed primarily for loading and transporting cargo. In general, a freight vehicle is divided into a cabin for loading a driver and a loading box for loading cargo.

The loading box is as shown in Figure 1 of the accompanying drawings, the cargo loading box extending from the rear end of the cabin to the rear consists of two side doors and one rear door rotatably installed on the side and rear ends, each of these doors Combined with each other while standing upright, they form a cargo hold and form a loading space for loading the load into the cargo hold.

The loading box is loaded with cargo of various shapes and the loaded cargo is tied with a fixed rope to prevent flow and departure from the loading box. To this end, a fixed rope is provided on the side of each door to bundle the loaded cargo in various directions. A plurality of hooks that can be hooked are welded by maintaining a certain distance with the door.

However, the above-described conventional freighter loader hook is to load cargo of various shapes and to fasten it with a rope so that the cargo does not flow.

As described above, a plurality of fixing rings are welded integrally with the loading box at regular intervals on the left, right, and rear doors of the cargo loading box, so that the rope is tightly or widely attached to the shape of the cargo to securely fix it after loading the cargo. The position to be fixed can be changed, respectively. In the related art, there is a problem in that it is impossible to adjust the position of the loading ring.

In addition, since the conventional stacker door has an integral structure, it is difficult to manufacture due to its own weight, and there is a problem in that the entire door needs to be replaced when a partial break occurs.

Republic of Korea Utility Registration No. 450694 (Registration on October 18, 2010) Republic of Korea Patent Registration No.1599199 (Registration on February 24, 2016)

The present invention has been proposed to improve the problems in the prior art described above, and has an object to improve the productivity by changing the door of the loading box to a prefabricated structure, and to replace only the corresponding part in case of damage.

In addition, by forming a sliding groove on the door, it is an object to enable the position of the loading ring can be changed.

The present invention for achieving the above object, in the door body is installed to be connected to the opening and closing of the left and right sides of the truck loading box to form an assembly structure of the upper door and the lower section and the lower cap, in the lower portion of the upper door A first insertion groove is formed so that the upper end of the lower part pair is inserted, and a first locking jaw is provided on the inner wall surface of the first insertion groove; The upper end of the lower part pair is configured with a first locking protrusion to be caught by the first locking jaw, and a second insertion groove is formed at the lower end to allow the upper end of the lower cap to be inserted, and the inner wall surface of the second insertion groove is formed. The second locking jaw is provided with a protrusion; The upper end of the lower cap is characterized in that the second engaging projection is configured to be hung on the second locking jaw, and the hinge member is provided at regular intervals at the bottom.

In addition, a first insertion protrusion is provided at a lower end of the upper door, a first insertion groove is formed at an upper portion of a lower segment pair corresponding to the first insertion protrusion, and a second insertion protrusion is provided at a lower end of the lower segment pair. , A second insertion groove is formed on an upper portion of the lower cap corresponding to the second insertion protrusion, and side finishing brackets are fastened on both sides to keep the upper and lower section pairs and the lower cap engaged. .

In addition, a sliding groove is formed on one side of the upper door, and the sliding groove is provided with a loading ring or ratchet fastener to enable variable movement of the position in the horizontal direction.

The door for the truck loading box of the present invention exhibits an effect of reducing the cost by improving the manufacturing efficiency by forming the prefabricated structure of the door body and replacing only parts in the corresponding area when damage occurs.

In addition, since the positions of the loading ring and ratchet fastener can be slidably varied in the horizontal direction, there is an advantage that the cargo loading operation can be made more efficiently and stably.

1 is a schematic view of a typical truck loading box.
Figure 2 is a side view of a truck loading box according to an embodiment of the present invention.
Figure 3 is a side view of the truck loading box of the present invention.
4 is a cross-sectional view taken along line AA of FIG. 3.
5 is a cross-sectional view taken along line BB of FIG. 3.
Figure 6 is a cross-sectional view of the loading compartment door in the present invention.
Figure 7 is a state diagram when loading the goods on the door of the loading box in the present invention.
8 is a partial cross-sectional structure diagram of a door according to another embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be interpreted as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art.

Accordingly, the shape of the components expressed in the drawings may be exaggerated to emphasize a more clear description. It should be noted that the same configuration in each drawing may be indicated by the same reference numeral. In addition, detailed descriptions of functions and configurations of well-known technologies that are determined to unnecessarily obscure the subject matter of the present invention may be omitted.

First, look at the configuration of the door for the truck loading box according to an embodiment of the present invention through 2 to 6 as follows.

In the present embodiment, the door body for the loading box 10 is formed to assemble the upper door 11, the lower section door 12, and the lower cap 13, and is connected to the left, right, or rear sides of the truck loading box to be able to rotate and open. Installation takes place.

At this time, a first inserting groove 11 'is formed in the lower portion of the upper door 11 so that the upper end of the lower portion 12 is inserted, and the first inserting groove 11' has a first inner wall surface. The locking jaw 11a is provided with a protrusion.

In addition, a first catching protrusion 12b is configured to be caught on the first catching jaw 11a at the upper end of the lower section pair 12, and a second end so that the upper end of the lower cap 13 can be inserted at the lower end. The insertion groove 12 'is formed, and a second locking jaw 12a is protruded on the inner wall surface of the second insertion groove 12'.

In addition, the upper end of the lower cap 13, the second locking projection (13b) is configured to be hung on the second locking jaw (12a) and the hinge member (13a) is provided at regular intervals in the lower portion.

Meanwhile, a first insertion protrusion 11d is provided at a lower end of the upper door 11, and a first insertion groove 12c is formed at an upper portion of the lower division pair 12 corresponding to the first insertion protrusion 11d. And, the lower end of the pair 12 is provided with a second insertion protrusion (12d), a second insertion groove (13c) is formed on the upper portion of the lower cap 13 corresponding to the second insertion protrusion (12d) In order to maintain the combined state of the upper and lower division pairs 11 and 12 and the lower cap 13, side closing brackets 14 are fastened to the sides on both sides.

And, the sliding door 15 is formed on one side of the upper door 11, the sliding groove 15 is provided with a loading ring 20 or ratchet fastener 30 to enable variable movement of the position in the horizontal direction. , On one side of the loading ring 20 and ratchet fastener 30, it can be seen that the movable plates 25 and 35 in the form of a square plate for preventing departure from the sliding groove 15 are configured.

In addition, a hook locking jaw 16 is formed on the upper door 11 so that a hook (not shown) for fixing the mounting band for loading can be hung.

In the drawings, reference numeral 17 denotes a fitting hole in which a latch for locking the rear door is rotatably coupled at one end, and 31 denotes a ratchet pin for limiting one-way rotation of the ratchet fastener 30.

The effect of the assembly and installation of the door of the present invention constituting such a configuration will be described.

Since the door body 10 of the present invention has a prefabricated structure, the assembly is made between the upper door 11, the lower section 12, and the lower cap 13, which are manufactured to a certain length in the manufacturing process, afterwards. As the pieces are fastened by the side finishing brackets 14 at both side parts, one integral structure is formed.

In particular, in the assembly process, the first locking jaw 11a, the second locking jaw 12a, the first locking protrusion 12b, the second locking protrusion 13b, the first insertion protrusion 11d, and the second insertion protrusion (12d), the first insertion groove (12c), the second insertion groove (13c) by the mutually formed by the configuration of each other by being fastened to be able to maintain a more stable assembly state.

The door body 10 assembled and manufactured as described above is installed on the left and right side doors of the loading box of the truck. The hinge body 13a integrally provided on the lower cap 13 enables the opening and closing of the loading box body. Connection installation is done.

At this time, it can be seen that the loading ring 20 and the ratchet fastener 30 in the sliding groove 15 of the upper door 11 form a state in which the sliding position is variable.

When the goods are loaded in the truck loading box in this installation state, in order to prevent the flow of the load, the installation of the fixing rope (P) and the fixing band (S) is performed as shown in FIG. 20) and ratchet fasteners 30 will be used.

That is, at this time, the fixing rope (P) and the fixing band (S) is caught or fixed to the loading ring (20) or ratchet fastener (30), depending on the load situation, the loading ring (20) and ratchet fastening While moving the sphere 30 along the sliding groove 15, it is possible to support the fixing rope P and the fixing band S at an optimal position.

Along with this, a hook for fixing one end of the fixing band is hung on the hook locking jaw 16.

Therefore, the present invention exhibits the effect that the cargo loading operation can be made more efficiently and stably because the positions of the loading ring and ratchet fastener on which the rope for fixing the load is wound can be slidably changed.

On the other hand, the door body 10 in the present invention, because the upper door 11 and the lower section 12 and the lower closing cap 13 form a detachable assembly structure that can be attached or detached, only the corresponding part is replaced when the door is partially damaged. Since it becomes possible, it represents the advantage of reducing the maintenance cost of the truck.

Figure 8 shows a configuration according to another embodiment of the present invention, the upper end of the lower section pair 12 is configured with an elastic spring (12e) for elastically supporting both sides of the first engaging projection (12b), the lower cap (13) Inside, a buffering function and a reinforcing filler (13e) for reinforcing strength are provided, and the reinforcing filler (13e) is 20 to 40% by weight of urethane as an elastic material, 10 to 30% by weight of nano silver as a sterilizing material, and bentonite as a reinforcing material. 10 to 30% by weight, titanium oxide 10 to 20% by weight, propylene glycol 1 to 10% by weight, allyl sulfide 1 to 10% by weight, fennel oil 1 to 10% by weight to form a mixed composition, the lower cap (13) Fine pores (13f) are formed to secure the breathability of the reinforcing filler (13e), the inner wall surface of the lower cap (13) is composed of a reinforcement wire mesh (13g) for durability reinforcement.

When such a configuration is achieved, the first and second locking protrusions 12b are elastically supported by the elastic action of the elastic spring 12e, so that the locking state with the first locking jaw 11a can be more stably maintained. The lower cap 13 is also able to increase the bonding force with the lower section pair 12 due to the action of the reinforcing filler 13e.

In particular, the lower cap (13) is added to the reinforcing filler (13e) because functional materials such as propylene glycol for preventing solidification of urethane, allyl sulfide for preventing oxidation, and fennel oil for preventing pest access are added in addition to the elastic material and reinforcing material. ) Quality can be improved.

In addition, the durability of the lower cap 13 is increased due to the reinforcement filling material 13e and the reinforcement wire mesh 13g, thereby exhibiting the advantage of preventing deformation or breakage due to the upper load.

And although a specific embodiment of the present invention has been described and illustrated above, it is obvious that the stack door structure of the present invention can be implemented by various modifications by those skilled in the art.

For example, in the above embodiment, although the shape of the sliding groove formed on the outer surface of the upper door is described and illustrated, the sliding groove may be formed on the lower section pair or deleted from the configuration.

Therefore, such modified embodiments should not be individually understood from the technical spirit or scope of the present invention, and such modified embodiments should be included in the appended claims of the present invention.

10: door body 11: upper door
11 ': 1st insertion groove 12: Lower section
12 ': 2nd insertion groove 13: Lower closing cap
13a: hinge member 14: side finish bracket
15: sliding groove 16: hook locking jaw
20: loading ring 30: ratchet fastener
P: Fixed rope S: Fixed band

Claims (5)

In the upper door (11) and the lower section pair (12) and the lower body (13), the door body (10) is installed to be connected to the left and right sides of the truck loading box to be able to open and close in rotation.
A first insertion groove 11 'is formed in the lower portion of the upper door 11 so that the upper end of the lower portion pair 12 can be inserted, and the first locking jaw is formed on the inner wall surface of the first insertion groove 11'. 11a is provided with a protrusion;
A first insertion protrusion 12b is configured to be hung on the first locking jaw 11a at the upper end of the lower section pair 12, and a second insertion groove so that the upper end of the lower cap 13 is inserted at the lower end. (12 ') is formed, the inner wall surface of the second insertion groove (12') is provided with a second locking jaw (12a) protruding;
The upper end of the lower cap 13 is configured with a second locking protrusion 13b to be hung on the second locking jaw 12a, and a lower hinge member 13a is provided at regular intervals,
A first insertion protrusion (11d) is provided at the lower end of the upper door (11), and a first insertion groove (12c) is formed at an upper portion of the lower section pair (12) corresponding to the first insertion protrusion (11d), A second insertion protrusion 12d is provided at a lower end of the lower pair 12, and a second insertion groove 13c is formed at an upper portion of the lower cap 13 corresponding to the second insertion protrusion 12d, In order to maintain the coupling of the upper and lower divisions 11 and 12 and the lower cap 13, side finishing brackets 14 are fastened on both sides,
An elastic spring (12e) for elastically supporting the first hanging projections (12b) on both sides is formed at the upper end of the lower section pair (12), and a reinforcement filling material (13e) for reinforcing the cushioning function and strength inside the lower cap (13) ) Is provided, the reinforcing filler 13e forms a mixed composition of urethane, nano silver, bentonite, titanium oxide, propylene glycol, allyl sulfide, fennel oil, and the lower cap 13 secures breathability of the reinforcing filler 13e. For the micro-pore (13f) is formed, the lower cap 13, the inner wall surface of the reinforced wire mesh for reinforcement durability (13g), characterized in that the prefabricated door for truck loading.
delete The method according to claim 1,
A sliding groove 15 is formed on one side of the upper door 11, and the sliding groove 15 is provided with a loading ring 20 or ratchet fastener 30 to enable variable movement of the position in the horizontal direction. Prefab door for truck loading box. The method according to claim 3,
One side of the loading ring (20) and ratchet fastener (30) for truck loading box, characterized in that the movable plate (25,35) in the form of a square plate for preventing departure from the sliding groove (15) is provided integrally Prefab door.

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