KR100831317B1 - Guard frame for pallet - Google Patents

Abstract

A support frame for a pallet is provided to perform a strong support function though a door located on one side of four frames is opened, and to be folded even in the state of being mounted on the base part. A support frame for a pallet includes: four bent plumb blocks(20,22,24,26) having respective brackets(28) integrally formed on a lower part to be fit to four edges of the base part(4); four frames(8,10,12,14) having respective folding shafts(8s,10s,12s,14s) shaft-connected between the bent plumb blocks using a fixing shaft connected to the bent plumb blocks and a shaft pipe connected to the four frames; a door(40) installed by a hinge(42) on an upper opening part formed on at least one side frame of the four frames; and reinforcing protrusion parts(44) positioned on both sides of the door, and having a locking piece(46) locked to a neighboring side frame.

Description

Support frame for pallet {GUARD FRAME FOR PALLET}

1 is a perspective view of a pallet for loading according to an embodiment of the present invention,

2 is a front view of a loading pallet according to an embodiment of the present invention;

3 is an exploded view of the loading pallet of FIG.

4 is a door open state diagram,

5 is an enlarged exploded perspective view of the front, rear, left and right side frames of the four-side frame is foldably coupled to the lower bending axis base;

6 is a sectional plan view of the main part of FIG. 5;

7 is an enlarged perspective view illustrating a structure in which the front and rear side frames of the four sides frame are fastened and fixed to the upper locking piece;

8 is a side cross-sectional view of the main part of FIG. 7;

9 is a side cross-sectional view of the main part of FIGS. 5 and 7;

10 is a perspective view of a part of the locking piece;

11 is an exemplary perspective view of stacking pallets using the support frame for pallets of the present invention;

12 is a perspective view of a pallet supporting frame folded on a base of a loading pallet;

Fig. 13 is a perspective view of a state in which multilayered support frames for pallets folded with the base part are stacked at one time;

14 is a perspective view of a state in which a plurality of pallet supporting frames are laminated on a base portion;

15 is an exploded perspective view of the door locks provided on both sides of the upper part of the door;

<Explanation of symbols for the main parts of the drawings>

(2)-Pallet for loading (4)-Base part

(6)-Pallet support frame (8) (10) (12) (14)-Front, rear, left and right side frames

(8s) (10s) (12s) (14s)-Folding Shaft (20) (22) (24) (26)-Bending Shaft

(28)-Fitting Bracket (29)-Bending Extension

(30)-fixed shaft (32)-rotating tube

(38)-Handrail (39)-Inward Stand

(40)-Door (42)-Hinge

(44)-Reinforcement protrusion side (46)-Locking piece

(48)-Door lock (50a) (50b)-Laminated sheet

(52)-Body flat part (54)-Fastening protrusions

(56)-Fitting wing piece (60)-Tightening groove

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading pallet, and more particularly, to an improvement of a pallet supporting frame which is mounted on a base of a loading pallet.

In general, the loading pallet is configured to be easily transported using a forklift after loading the goods, and is divided into a wooden pallet, plywood pallet, steel pallet, HDF (High Density Fiber Board) pallet, etc. according to the material of construction.

Among these pallets for loading, there is a pallet consisting only of a base portion on which the article is mounted and placed. The pallet has a generally rectangular shape, and its standard has already been determined.

In order to ensure the safety of the goods loaded on the pallet consisting only of the base portion, a support frame for pallets having four sides of the frame is mounted on the base portion. As the patent applicant of the Republic of Korea Patent No. 10-430121 "Palette support frame" there is.

The above-mentioned patented support frame for pallets is fully opened and unloaded through the openings of the front frame during loading and unloading of bulky and heavy goods, or fixed to assemble the support frame in the state of loading the goods on the pallet. Function as a support frame, and if necessary, the support frame can be separated and the loaded goods can be unloaded when getting off. Or there is an advantage to be able to get off.

The above conventional pallet support frame has its own advantages as mentioned above, but when the front frame is completely opened, it is difficult to sufficiently serve as a solid support frame only by the frames of the remaining three sides of the frame. In addition, it was possible to separate and separate the pallet support frame from the base portion on which the article was loaded, but there was an inconvenience in that the pallet support frame could not be folded when it was mounted on the base portion. In addition, although the support pieces are formed at each corner of the upper part to stack the pallets, there is a risk that the stacked pallets can easily be separated and fall down.

Therefore, an object of the present invention is to provide a support frame for a pallet to maintain the support frame is a solid support state even if the door is located on one side of the four sides frame.

It is another object of the present invention to provide a support frame for pallets that enables folding of four-sided frames while being mounted on an article-loading base portion, and enables stacking of other folded pallets on the folded four-sided frames.

In accordance with the above object, the present invention, in the pallet for supporting the pallet mounted on the upper portion of the base in a loading pallet including a base for loading the article, four bent shafts 20, 22 ( The fitting brackets 28 fitted to the four corners of the base part 4 are fixedly formed at the lower part of the base, and the front, rear, right, and right side frames 8, 10, 12, 14 constitute a four-way frame. The folding shafts 8s, 10s, 12s, and 14s are configured to be axially coupled to the opposing surfaces of the four bending shaft units 20, 22, 24, and 26, and the folding shafts 8s are Each of the front and rear left and right side frames (8) and (10) (10s) (12s) and (14s) are fixed shaft rods (30) fixed to the bending shaft units (20) (22) (24) and (26). 12) is formed in the fitting configuration of the rotating shaft tube 32 connected to (14), the upper opening groove formed on at least one side frame of the four-way frame to connect the door 40 by the hinge 42 to be inserted and installed 40 located on both sides It is characterized in that the locking piece 46 is installed on the reinforcement protrusion side portion 44 extending from the side frame and configured to be locked to the neighboring side frame.

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

1 is a perspective view of a loading pallet 2 in which a support frame 6 for pallets according to an embodiment of the present invention is mounted on a base portion 4 for loading goods, and FIG. 2 shows an embodiment of the present invention. It is a front view of the loading pallet according to FIG. 3, and FIG. 3 is an exploded view of the loading pallet 2 of FIG. 4 is a door open state diagram.

As shown in FIG. 1, the loading pallet 2 applied to the embodiment of the present invention has a base part 4 for loading an article, and a support frame for pallets that is detachably installed on the base part 4. It consists of (6).

Pallet support frame 6 is composed of four sides frame consisting of front, rear, left and right side frames (8), 10, 12, 14, and each of the front, rear, right and left side frames (8), (10), (12) and (14) Four folding shafts 8s, 10s, 12s, and 14s located at the lower side are configured to be axially coupled to the opposite surfaces of the four bending shaft portions 20, 22, 24, and 26 so that the four front, rear, left, and right sides Frames 8, 10, 12 and 14 are nested inwardly in turn as in the example shown in FIG. 12 and are stackable.

Front, rear, left and right side frames (8), (10), (12) and (14) have upper supports and lower folding shafts (8s), (10s), (12s) and (14s) formed between two vertical supports. Or the cross-shaped reinforcement is configured to form, each side frame is configured to form a grid-shaped wire mesh as a whole.

Four bending shaft parts 20, 22, 24 which are axially coupled with the lower folding shafts 8s, 10s, 12s and 14s of the front, rear, left and right side frames 8, 10, 12 and 14. Each lower portion of the (26) is integrally formed with the fitting brackets 28, and on one side of each of the fitting brackets (28) by forming a bent extension piece 29 of the base portion 4 as shown in Figs. Allow the upper corners to fit on the fitting brackets (28). At this time, the bending extension piece 29 serves to reinforce the grip of the base portion 4 more firmly and to be a solid support.

In the embodiment of the present invention, the folding shafts 8s of the front, rear, left, and right side frames 8, 10, 12, and 14 between opposing surfaces of the four bending shaft units 20, 22, 24, and 26. In forming the 10s, 12s, and 14s by axial coupling, each of the folding shafts 8s, 10s, 12s, and 14s has a fixed shaft rod 30 and a rotating shaft tube 32 as shown in Figs. It is configured so that the fixed shaft rod 30 is fitted to the rotary shaft tube 32, and both ends of the fixed shaft rod 30 are protruded on both sides of the rotary shaft tube 32.

5 is an enlarged exploded perspective view in which the front, rear, right, and right side frames 8, 10, 12, and 14 of the four-side frame are axially coupled to the lower bending shaft portions 20, 22, 24, and 26, respectively. 6 is a sectional plan view of the main portion of FIG. 5.

5, 6, and 9 together, both ends of the fixed shaft rod 30 is coupled to the coupling holes 36 formed on the opposing surfaces of the four bending shaft units 20, 22, 24, and 26, respectively. Inserted through and fixed by welding, the position of each engaging hole 36 and the corresponding folding shaft (8s) (10s) (12s) (14s) is the front and rear left and right side frames (8) (10) (12) (14) It is formed to be stepped up on the opposite surface of the bending shaft portion 20, 22, 24, 26 corresponding to the side so as to be folded in turn. That is, as can be seen through the drawings of Figs. 2 and 4, based on the coupling hole 36 and the folding shaft (8s) between the opposite surface of the bent shaft portion 20, 28 formed on both sides of the front frame (8). As a result, the bending shaft units 24 and 26 formed on both sides of the rear side frame 10, the coupling hole 36 and the folding shaft 10s between the opposing surfaces, and the bending shaft units formed on both sides of the left side frame 12 ( (26) (26) Coupling hole 36 between the opposing surfaces and the folding shaft 12s, Coupling hole 36 between the opposing surfaces and the folding shaft 36 and the folding shaft (26) formed on both sides of the right side frame 14 14s) is formed step by step high.

Therefore, the front, rear, left and right side frames 8, 10, 12 and 14 can be folded inwards in order by the axial rotation of the rotating shaft tube 32 constituting the folding shafts 8s, 10s, 12s and 14s. Done.

Referring to FIG. 5 again, each of the bending shaft portions 20, 22, 24, and 26 extends a bending handrail 38 for preventing separation or flow of the stacked pallets when the other pallets are stacked. Weld installation. Then, the inward support piece 39 is welded to the inner surfaces of the bending shaft units 20, 22, 24, and 26 so that a part of the laminated pallet does not fall out.

Meanwhile, in the embodiment of the present invention, the upper opening groove is formed in at least one side frame of the four-sided frame so that the door 40 is connected by the hinge 42 to be inserted. In the accompanying drawings of the present invention, as shown in Figure 1 shows an example of forming the upper opening groove in the front and rear side frame (8) 10 of the four sides of the frame.

7 is an enlarged perspective view illustrating a structure in which the front and rear side frames 8 and 10 of the four-side frame are fastened and fixed to the upper locking piece 46, and FIG. 8 is a sectional side view of the main part of FIG.

Referring to FIGS. 7 and 8 and FIGS. 1 to 4, the upper opening grooves of the front and rear side frames 8 and 10 are connected to the hinges 42 fixed to the central horizontal reinforcement bars of the side frames. ) Is installed. The door 40 is preferably opened downward as shown in Figure 4, the door lock 48 is provided at both upper ends.

As shown in FIG. 15, the door lock 48 provided at both upper ends of the door 40 has a handle 78 at the through hole 72 of the “b” shaped bending side wall of both sides of the lock body 70. It is configured to be horizontally movable by inserting the lock rod 80 having. Locking rod 80 is fitted to the coupling hole formed in the vertical support of the reinforcement protrusion side 44 through the through hole of the door 40 as shown in Figure 7 when locking.

Locking mechanism body 70, which is a component of door lock 48, is cut in the lower center and bent to form a locking piece (74) having inward projections 76 on both sides thereof integrally formed in locking locking body (70). To be configured. Referring to FIG. 15, when the door lock lock is locked, the rear right bar of the handle 78 of the lock rod 80 is locked to the rear right locking piece 74 of the lock body 70, and the door lock is unlocked. On the handle 78, the rear left bar of the locking rod 80 is fixed to the rear left locking piece 74 of the locking mechanism main body (70). The inward projections 76 of the locking pieces 74 on the rear left and right sides are formed by embossing, so that the left and right bars of the handle 78 are locked when they are caught by the locking pieces 74, thereby supporting the pallet 6. Even when folding each frame of the handle 78 to prevent it from being dislocated.

The door 40 is opened when the loading and unloading work to load or remove the load in the pallet to facilitate the operator unloading work. When the worker finishes the unloading operation, the door 40 is locked by using the door lock 48 installed in the door 40.

It should be noted that according to an embodiment of the present invention, the door 40 is not configured to occupy the entirety of the front and rear side frames 8 and 10 or the entire upper half. That is, in the exemplary embodiment of the present invention, the reinforcement protrusion side parts 44 extending from the front and rear side frames 8 and 10 are formed at both sides of the door 40.

Both side reinforcement protrusion side portions 44 of the front and rear side frames 8 and 10 are formed of square reinforcement bars and face the vertical supports of the left and right side frames 12 and 14 which are neighboring side frames. In addition, the upper surface of the reinforcement protrusion side portion 44 is configured such that the locking piece 46 is installed so that both side reinforcement protrusion side portions 44 of the front and rear side frames 8 and 10 are adjacent to the left and right side frame 12 and 14. The fastening of the lock allows the frame to be firmly fixed in all directions.

Part perspective views of the locking piece 46 are shown in FIGS. 10A and 10B.

As shown in FIG. 10, the locking piece 46 hinged to the upper surface of the reinforcement protrusion side portion 44 has a fastening protrusion 54 formed at the bottom end of the body flat portion 52, and has a central portion of the body flat portion 52. The outer side is configured to be formed to be extended bending catching piece (50a) is extended. And on the rear part with the hinge axis of the locking piece 46, the fitting blade piece 56 of both sides forms the downward bending extension to the main body plane part 52. As shown in FIG.

The locking piece 46 of the structure as described above is rotated when the hinge is fastened as shown in Figure 7, the fastening protrusions in the fastening groove 60 formed on the upper vertical support bar of the adjacent left and right side frames 12, 14 24a) is fitted, and the fitting blade pieces 56 on both sides firmly support the upper horizontal bar of the reinforcement protrusion side part 44 by custom insertion, but in particular, the outer wing piece is extended to the side of the adjacent vertical support bar. give.

Therefore, the front and rear side frames 8 and 10 in which the door 40 is installed as described above, the reinforcement protrusion side portion 44 which is firmly locked to the left and right side frames 12 and 14 adjacent to both sides of the door 40. And the lock piece 46 is provided so that even if the door 40 is opened, the four-way frame made of front, rear, left, and right side frames 8, 10, 12, 14 can still maintain a firm fixed state. .

In the embodiment of the present invention in forming a stacking piece to stack another pallet on the pallet support frame (6), the body plane of the locking piece 46 provided on the front and rear side frames (8) 10 The pair of stacking pieces 50b are formed near the edges of the adjacent left and right side frames 12 and 14 as well as the stacking piece 50a extending upwardly bent in the portion 52. The edge catching piece 50 is configured.

In the embodiment of the present invention, by installing a pair of laminating edge catching pieces 50 on the four corners of the pallet support frame 6, the pallet support frame 6 in the state where the pallet support frame 6 is upright. The base part 4 of another pallet can be installed as shown in FIG. That is, another loading pallet 2 can be laminated | stacked on the pallet support frame 6 of the loading pallet 2 in the state which loaded articles, such as agricultural products.

11 is an exemplary perspective view of stacking another pallet by using the support frame 6 for pallets according to the present invention, wherein the lower edges of the base part 4 of the stacked upper pallet 2 support the pallet for the lower layer. It is caught by the lamination edge catching piece 50 of (6), and is laminated safely.

Pallet support frame 6 of the present invention can be folded as shown in Figure 12 during storage can minimize the volume.

12 is a perspective view in which the pallet support frame 6 is folded on the base portion 4 of the loading pallet 2, and is shown in front, rear, left, and right side frames 8, 10, 12, 14 of the four-side frame. Fold inwards one by one in turn.

Even when the pallet support frame 6 according to the embodiment of the present invention is folded, the pallets may be stacked in a state in which the base part 4 is mounted or detached as shown in FIGS. 13 and 14.

In Fig. 13, on the pallet supporting frame 6 folded on the base 4 of the bottom, the other loading pallets 2 on which the base 4 is mounted and the pallet supporting frame 6 are folded are multi-layered. It is stacked. And in Fig. 14, on the pallet supporting frame 6 folded on the base portion 4 of the bottom, only a plurality of other pallet supporting frames 6 without the base portion 4 are laminated.

The lower four corner portions of the stacked base portion 4 in FIG. 13 are inwardly supported pieces welded to the inner surfaces of the bending shaft portions 20, 22, 24, and 26 of the pallet support frame 6 of the lower pallet. 39), the stacked pallets do not flow or fall into the interior.

In addition, the fitting brackets 28 of the bending shaft units 20, 22, 24, and 26 constituting the lower part of the stacked pallet supporting frame 6 in FIG. 14 have a lower pallet supporting frame 6. Four bent shafts 20, 22, 24, 26 of the bent rails are welded on the outer upper portion of the installation 38, so that the laminated pallet support frame 6 is prevented from being separated out Of course, even flow can be prevented.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be determined by the equivalent of claims and claims.

As described above, the present invention has the advantage that the support frame for the pallet maintains a solid support even when the door is installed on the side frame of the four-sided frame, allowing the folding of the four-sided frame to be mounted on the base portion loaded with the article. It is also advantageous to stack other folded pallets on the folded four-sided frame.

Claims (4)

In the pallet for supporting the pallet mounted on the upper portion of the base in a loading pallet comprising a base for loading the article, The front, rear, left, and right sides of the four bending shaft portions 20, 22, 24, and 26 are integrally fixed to the fitting brackets 28 to be fitted to the four corners of the base portion 4. The folding shafts 8s, 10s, 12s, 14s of the frames 8, 10, 12, 14 have four bending shaft sections 20, 22, 24, and 26 facing each other. Each of the folding shafts 8s, 10s, 12s, and 14s is configured to be axially coupled to the fixed shaft rods 30 fixed to the bending shaft portions 20, 22, 24, and 26, respectively. The door 40 is hinged by forming a fitting configuration of the rotary shaft tube 32 connected to the front, rear, left, and right side frames 8, 10, 12, and 14, and forming an upper opening groove in at least one side frame of the four sides of the frame. (42) to be inserted and installed and installed on both sides of the door 40, the locking piece 46 is installed on the reinforcement protrusion side portion 44 extending from the side frame is configured to lock fastening to the neighboring side frame. Support frame for pallets characterized in that. According to claim 1, wherein the four bending shaft portion 20, 22, 24, 26 is provided with a bending handrail 38 for preventing the shaking and separation of the stacked pallets, (20) (22) (24) The support frame for pallet, characterized in that the inward support piece (39) is installed on the inner surface. 3. A pair of stacking fastening pieces 50a extending upwardly bent to the main body plane portion 52 of the locking piece 46 and a pair of stacking fastening pieces 50b near the edges of neighboring side frames. Pallet support frame, characterized in that the laminated corner engaging piece (50). According to claim 1 or claim 2, The upper end of the door 40, the locking rod body 70, the locking rod 80 having a handle 78 is inserted into the through hole 72 of the side wall of both sides of the lock to enable horizontal movement One door lock 48 is installed, but the locking mechanism body 70 is bent after cutting the center of the lower portion of the locking piece 74 to lock the one side of the vertical bar of the handle 78 on both sides of the locking sphere body A support frame for pallets, characterized in that configured to be integrally formed with (70).

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