KR101814053B1 - Stacking pallet - Google Patents

Abstract

The present invention relates to a stacking pallet, and more specifically relates to a stacking pallet which connects adjacent frames via assembly of a connection bracket to secure durability, has a frame main body that can be easily assembled and disassembled, and has a connection structure capable of composing a various shape of frame main body. The stacking pallet according to the present invention is the stacking pallet provided with the frame main body assembled by connecting the frame, in which the frame has a square cross section surface, and a connection portion in which the adjacent gathered frames are connected via coupling of the connection bracket.

Description

Loading pallet {STACKING PALLET}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pallet for pallets, and more particularly, to a pallet for pallets which can easily assemble and disassemble a frame body while securing durability by connecting a neighboring frame to an assembly of a connecting bracket, The present invention relates to a pallet for loading.

Generally, a pallet is used for efficiently transporting cargo such as a part or a product, and a frame is connected to form a loading space of the cargo, and an additional structure is connected to the frame body in a rectangular parallelepiped shape.

For example, in order to efficiently utilize the internal space of the frame body frame connected with the frame, a structure for dividing several layers or a structure such as a side protector for preventing the separation of the cargo during transportation is used.

Such a pallet should have a structure capable of maintaining the strength to support the weight of the cargo reaching several tons and at the same time tending to its own weight. In recent years, a pallet having a frame body formed of a lightweight steel frame or an aluminum frame has been widely used.

However, in order to connect the iron frame or the aluminum frame to each other, generally welding or riveting is used. This is a problem in that when the assembling work is troublesome and a damaged part is generated, the entire pallet needs to be replaced.

Korean Patent No. 10-1214792 discloses a pallet for cargo loading. However, the pallet disclosed in this publication does not have various connection forms such as' -shaped ',' T-shaped ',' The design of the structure is restricted.

Korean Registered Patent No. 10-1214792 (December 17, 2012): Prefabricated pallet for cargo loading

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pallet for pallets, and more particularly, to a pallet for pallets which can easily assemble and disassemble a frame body while securing durability by connecting a neighboring frame to an assembly of a connecting bracket, The present invention relates to a pallet for loading.

According to another aspect of the present invention, there is provided a pallet for a pallet comprising a frame body assembled with frames connected to each other, the frame having a rectangular cross section, And a connection part connected to the connection part.

In addition, the loading pallet according to the present invention is characterized in that, in the connecting portion, a pair of T-type connecting brackets are provided on one side of the first frame and the T- And a T-shaped connecting portion for connecting the first frame and the second frame to each other, the T-shaped connecting bracket including a first frame and a second frame, A first frame which is punched on one surface of the first frame and a second frame which is bent at a right angle at one side end edge of the first throttle and is opposite to one side surface of the first frame located on the side where the ends of the second frame are gathered A second thimble portion padded on one surface of the second frame at a portion where the first frame and the second frame are gathered, A second side prong portion bent at right angles at both side edges of the second throttle and padded to cover both side surfaces of the second frame, and a bolt inserted between the first throttle and the second throttle, And a pair of T-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered, and a coupling nut is fastened to the coupling bolt inserted in the bolt hole, The first frame is tightened by the first throttle and the first side throttle while the pair of T-type connection brackets are coupled to each other, and the second frame is tightened by the second throttle and the second side throttle .

Further, in the pallet for loading according to the present invention, a seating portion recessed outside the coupling portion and protruding from the inside of the coupling portion is formed around the bolt hole, and the head and the coupling nut of the coupling bolt are seated on the seating portion .

In addition, the loading pallet according to the present invention is characterized in that the second side fastening portion extends to the fastening portion and has a distal end abutting one side surface of the first frame.

In addition, the loading pallet according to the present invention is characterized in that the reinforcing beads are formed to extend long between the first throttle portion and the fastening portion of the T-type connecting bracket.

In addition, the loading pallet according to the present invention is characterized in that a corner where the edges of the second side surface throttle portion and the second throttle portion of the T-type connection bracket are gathered, or a corner where the edges of the second side surface throttle portion and the fastening portion are gathered And a notch for preventing stress concentration is formed.

In addition, the loading pallet according to the present invention is characterized in that the first side surface of the T-shaped connecting bracket is provided with a mating protrusion and an engaging recess, and the first frame and the second frame are overlapped with each other One pair of T-type connection brackets is designed so that one of the T-type connection brackets is inserted into the engaging recess of another T-type connection bracket and the other one of the T-type connection brackets And the first side fastening portions are interlocked with each other by inserting the projecting portions.

The loading pallet according to the present invention is characterized in that the interlocking protrusions and the occlusion recesses which are engaged with each other are formed with horizontally formed horizontal interlocking portions which are engaged with each other so as not to be attracted to each other when a force is applied in the direction in which the first fastening portions are extended .

In the loading pallet according to the present invention, the interference avoiding recessed portion for allowing the distal end of the occlusal protrusion to pass without interfering with the occlusal protrusion is inserted into the inner side portion of the occlusal recess facing the occlusal projection .

Further, in the loading pallet according to the present invention, the second side fastening portion extends through the bolt hole of the fastening portion in the direction of the first throttle, and a supporting portion protruding downward from the extended portion is formed, A pair of T-type connection brackets are overlapped to each other so that a pair of T-type connection brackets are coupled to each other by fastening a coupling nut to a coupling bolt inserted in the bolt hole, And a pair of T-shaped connection brackets, which are opposed to each other by the engagement of the coupling nut, abut against the support portions of the other T-shaped connection brackets, and are positioned on the opposite sides of the support portions, And the second frame is tightened by the second tightening part while the second tightening part is rotated in the tightening direction.

On the other hand, the end of the first frame and the end of the second frame are positioned close to each other, and the outer L-type connection bracket is opposed to the L-shaped gathered portion from the outside, and the inner L- And an L-shaped connecting portion which surrounds the first frame and the second frame to form a L-shaped connection between the first frame and the second frame, wherein the outer L- A pair of first throats padded on the outer surface of the first throat, a second throat bent and connected to each other at right angles, and a second throat positioned between the first throat and the second throat, A bolt hole formed integrally with the bolt hole to which the bolt is inserted and formed integrally with the bolt hole, and a fastening portion bent at right angles at both side edges of each of the first fastening portions to wrap both side surfaces of the first frame and the second frame, Wherein the inner L-type connection bracket includes a pair of tightening portions padded on inner sides of the first frame and the second frame, a bent portion bent at right angles, A fastening portion which is located between the bent portions and is integrally connected to the fastening portions and formed with bolt holes into which the fastening bolts are inserted and a fastening portion which is bent at right angles at both side edges of the fastening portions, Wherein the outer L-type connection bracket and the inner L-type connection bracket are overlapped with each other so as to be inserted into the bolt hole at a portion where the first frame and the second frame are gathered, And the outer L-type connection bracket and the inner L-type connection bracket are coupled to each other so that the first frame and the second frame are engaged with each other, And is tightened by the first throttle and side throttle portions of the outermost L-shaped connection bracket and the throttle portion and the side throttle portion of the inner L-type connection bracket.

Further, in the loading pallet according to the present invention, the outer L-type connecting bracket and the inner L-type connecting bracket each have a seating portion formed around the bolt hole and recessed from the outer side of the coupling portion and protruding from the inner side of the coupling portion And the head of the coupling bolt and the coupling nut are seated on the seating portion.

In the loading pallet according to the present invention, the third frame is inserted into the through hole formed by the second throttle of the outer L-type connecting bracket and the bent portion of the inner L-type connecting bracket, Wherein the second frame of the outer L-type connection bracket is attached to each of the outer sides of the third frame, and the inner edge of the third frame is connected to the inner L- And the third L-shaped connecting bracket is connected to the second L-shaped connecting bracket so that the second L-shaped connecting bracket is in contact with the second L-shaped connecting bracket, And is tightened by the bending portion edge of the tightening portion and the inner L-type connection bracket.

In addition, the loading pallet according to the present invention is characterized in that the reinforcing beads are formed to be long between the second throttle portion and the fastening portion of the outer L-type connecting bracket.

Further, in the loading pallet according to the present invention, the lateral tightening portions of the outer L-shaped connecting bracket and the inner L-shaped connecting bracket extend to the fastening portion.

Further, in the loading pallet according to the present invention, the outer L-type connecting bracket and the inner L-type connecting bracket may be formed such that the edges of the side surface fastening portions and the fastening portions are gathered or the edges of the side fastening portions and the fastening portions And a notch for preventing stress concentration is formed at a corner to be gathered.

In addition, the loading pallet according to the present invention is characterized in that the side fastening portion of the inner L-type connecting bracket has a tightly protruding portion formed at its distal end to be in contact with the inner surface of the third frame.

In addition, in the loading pallet according to the present invention, the outer L-type connecting bracket and the inner L-type connecting bracket each have a side fastening portion extending through the bolt hole of the fastening portion and a downwardly protruding portion And the outer L-type connection bracket and the inner L-type connection bracket are overlapped with each other at a portion where the first frame and the second frame are gathered, and the coupling nut inserted into the bolt hole is fastened to each other by fastening a coupling nut And the support portion of the outer L-type connection bracket opposed to each other by the engagement of the coupling bolt and the coupling nut abuts against the support portion of the inner L-type connection bracket so that the outer side The first throttle of the L-shaped connecting bracket and the tightening portions of the inner L-shaped connecting bracket are rotated in the direction of tightening each other, Is tightened by the first throttle of the outer L-type connection bracket and the throttle portion of the inner L-type connection bracket.

On the other hand, in the loading pallet according to the present invention, the ends of the second frame are positioned closely to the ends of the first frame, and a pair of I-type connection brackets are arranged on the I- And an I-type connecting bracket for connecting the first frame and the second frame to each other, the I-type connecting bracket including a first frame and a second frame, A second throttle positioned at the center, a second throttle positioned at the center, and a second throttle positioned between the first throttle and the second throttle, the first throttle and the second throttle integrally And a side fastening portion which is bent at right angles at both side edges of each of the first tightening portions and is padded to cover both side surfaces of the first frame and the second frame, And, And a pair of I-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered to fasten the coupling nut to the coupling bolt inserted into the bolt hole, so that the I- And the first frame and the second frame are each fastened by the first thimble and the side throttle portion of the I-type connection bracket.

In the loading pallet according to the present invention, the I-type connecting bracket may have a seating portion formed around the bolt hole, the seating portion being recessed on the outer side of the coupling portion and protruding from the inner side of the coupling portion, The head and the engaging nut are seated.

Also, the loading pallet according to the present invention is characterized in that the third frame is inserted into the through hole formed by the second throttle of the pair of I-shaped connecting brackets facing each other, and the third frame is inserted at right angles to the first frame and the second frame And a second fastening portion of the I-type connection bracket is padded to the third frame to fasten the fastening nut to the fastening bolt inserted into the bolt hole, so that a pair of the I-shaped fastening brackets are coupled to each other, And the frame is fastened by the second throttle of the I-type connection bracket.

In addition, the loading pallet according to the present invention is characterized in that a reinforcing bead is formed to extend long between the second throttle portion and the fastening portion of the I-type connecting bracket.

In addition, in the loading pallet according to the present invention, the side fastening portions of each of the I-type connecting brackets extend to the fastening portion.

In addition, the loading pallet according to the present invention is characterized in that the I-type connecting bracket has stresses at the corners where the edges of each of the side tightening portions and the first tightening portion are gathered or the corner where the side edges of the side tightening portions and the fastening portions are gathered And a notch for preventing concentration is formed.

Further, in the loading pallet according to the present invention, each of the side fastening portions of the I-type connecting brackets extends to the fastening portion so that the ends of the side fastening portions thereof abut against the side surfaces of the third frame to support the side surfaces thereof .

Further, in the loading pallet according to the present invention, the I-type connecting brackets each have a support portion extending downward through the bolt hole of the fastening portion and extending downward from the extending portion of each of the side fastening portions, And a pair of I-shaped connection brackets are overlapped with each other at a portion where the frame and the second frame are gathered to be coupled to each other by fastening a coupling nut to a coupling bolt inserted in the bolt hole, The connecting portions of the pair of I-shaped connecting brackets are brought into contact with each other so that the first fastening portions of the I-shaped connecting brackets located on the opposite sides of the supporting portions abutting on the bolt holes are rotated in the direction of tightening each other, And the first frame and the second frame are clamped by the first throttle of the I-type connection bracket.

On the other hand, the loading pallet according to the present invention is characterized in that the first frame and the second frame are arranged in an I-shape in the connecting portion, and the third frame is arranged in an L-shape with the first frame and the second frame, And an LI connection portion to which a distal end of the frame, a distal end of the second frame, and a distal end of the third frame are connected to each other, wherein the LI connection portion includes a first inner frame and a second frame, The first L-shaped connecting bracket and the second L-shaped connecting bracket engage with each other at the inner side of the L-shaped gathered portion to wrap the gathered portion of the first frame and the third frame to tighten the ends of the first frame and the third frame, The third frame is held at the inside of the L-shaped gathered portion to wrap the gathered portion of the second frame and the third frame, and the ends of the second frame and the third frame are tightened, and one I- The first frame and the second frame are held in contact with each other at the outside of the I-shaped gathered portion to wrap the gathered portion of the first frame and the second frame to tighten the ends of the first frame and the second frame, The bracket includes a pair of tightening portions padded on the inner side surfaces of the first frame and the third frame or the inner side surfaces of the first frame and the third frame, respectively, a bent portion bent at right angles, A fastening portion which is located between the bent portions and integrally connected to the fastening portions and has a bolt hole into which the fastening bolts are inserted; and a fastening portion which is bent at right angles at both side edges of the fastening portions, And the I-type connection bracket includes a first side frame and a second side frame, the first frame and the second frame being provided on both sides of the first frame and the second frame, A pair of first throttles located at both lateral ends padding on the outer surface, a second throttle positioned in the middle, and a second throttle positioned between the first throttle and the second throttle, A bolt hole formed integrally with the second thimble and inserted into the bolt hole to be inserted into the bolt hole, and a fastening part bent at right angles at both side edges of each of the first throttle parts to enclose both side surfaces of the first frame and the second frame, Wherein one inner L-type connection bracket is provided at a portion where the first frame, the second frame and the third frame are gathered, And the other inner L-shaped connecting bracket is in contact with the inside of the L-shaped gathered portion of the second frame and the third frame, and one I-type connecting bracket is arranged in the I- U A pair of inner L-type connecting brackets, which are opposed to each other with the third frame interposed therebetween, are coupled to each other, and the bolts inserted into the bolt holes are engaged with each other, An L-shaped connecting bracket and an I-shaped connecting bracket, which are opposed to each other with the first frame interposed therebetween, are coupled to the bolts, and a coupling nut is fastened to the coupling bolts inserted into the bolt holes, The other ends of the first frame, the second frame, and the third frame are connected to the throttling portion and the lateral throttle portion of the inner L-type connecting bracket, And is tightened by the first thimble and the lateral throttle of the I-type connection bracket.

In addition, in the loading pallet according to the present invention, the fourth frame is inserted into the through hole formed by the bent portion of the inner L-type connecting bracket and the second throttle of the I-shaped connecting bracket, Shaped connecting bracket, and the fourth frame is connected to the frame and the third frame at right angles, the inner edge of the fourth frame is in contact with the edge of the bent portion of the inner L- A pair of inner L-type connection brackets and one I-type connection bracket are coupled to each other so that the fourth frame is connected to the bent edge of the inner L-type connection bracket And is tightened by the second throttle of the I-type connection bracket.

Further, in the loading pallet according to the present invention, in the inner L-type connecting bracket, a side fastening portion extends beyond the bolt hole of the fastening portion and a supporting portion protruding downward is formed at the extended portion, Each of the brackets is provided with a support portion protruding downward from an extended portion of each of the side fastening portions extending through the bolt hole of the fastening portion, and a pair of a pair of the first frame, the second frame, Type connecting bracket and an I-type connecting bracket are coupled to each other to engage the engaging bolts inserted into the bolt holes to engage with each other, and a pair of inner L- Type connecting bracket, the supporting portion of the inner L-type connecting bracket being in contact with the bolt hole, And the third frame is tightened by the tightening portions of the pair of inner L-type connection brackets while being rotated in the direction of tightening, and the supporting portion of the inner L-type connection bracket opposed to each other by the engagement of the coupling bolt and the coupling nut, And the first tightening portions of the I-shaped connection bracket are rotated in a direction in which the first tightening portions of the inner L-type connection bracket are positioned on the opposite sides of the support portions that come into contact with the bolt holes with respect to the bolt holes The first frame and the second frame are clamped by the tightening portion of the inner L-shaped connecting bracket and the first tightening portion of the I-shaped connecting bracket.

On the other hand, in the pallet for loading according to the present invention, the connecting portions are respectively coupled to both ends of the caster connection bracket on the first and second frames arranged in parallel to the lower portion of the frame body, Wherein the caster connection bracket is formed to have a coupling portion located at both ends and a mounting portion located between the coupling portions and integrally connected to the coupling portion on both sides, The bracket is characterized in that the mounting portion is located in a gap between the first and second frames so that each of the engaging portions is coupled to the upper surface of each of the first and second frames and is mounted to the mounting portion of the caster connection bracket do.

In addition, the loading pallet according to the present invention is characterized in that, at both side edges of the mounting portion, the edge is bent downward to form a latching portion, and the caster connection bracket causes the latching portion to enter the gap between the first and second frames And both end portions of the engaging portion are brought into close contact with the inner surfaces of the first and second frames.

The pallet according to the present invention is characterized in that the connection part includes a rotation connection part that rotatably connects the frame or the frame assembly to the support frame on the support frame, 1 and the second rotation connection bracket, a hinge shaft of a hinge region, which is inserted and fixed at the end of the frame or at the end of the frame constituting the frame assembly, is inserted into the hinge hole of the frame, The first rotation connection bracket includes a tightening portion that is poured on one surface of the support frame and a side surface portion that is bent at a right angle at one end edge of the tightening portion, And a projection extending from the tightening portion on the opposite side of the side tightening portion And a hinge portion extending from the coupling portion and having a hinge hole into which the hinge shaft of the hinge portion is inserted, wherein the second rotation connection bracket includes a bolt hole formed in the support frame, A first side surface tightening portion which is folded at right angles at one end edge of the tightening portion and padded around one side surface of the support frame, And a fastening part formed with a bolt hole through which the fastening bolt is inserted at right angles to the second side fastening part. The fastening part includes a first side fastening part bent at right angles to the other end edge, And the first and second rotation connection brackets are superimposed on each other so that the fastening portions are opposed to each other, And the first and second rotation connection brackets are coupled to each other so that the support frame supports the throttle portion and the side throttle portion of the first rotation connection bracket, the throttle portion of the second rotation connection bracket, And is tightened by the two side tightening portions.

Meanwhile, in the loading pallet according to the present invention, the reinforcing frame is connected to the connection portion in a diagonal direction between the first frame and the second frame at a portion where the first frame and the second frame are connected in an L- And an inclined connection portion for connecting the end portion and the first frame and the second frame constant position in an inclined manner, wherein the inclined connection portion is provided at a predetermined position of each of the first frame and the second frame, And a pair of second tilting connection brackets coupled to ends of the reinforcing frame are hingedly connected to a pair of first tilting connection brackets, A first prime mover attached to a side surface of the first frame or the second frame at a predetermined position, and a rear end edge of the first prime mover bent; Wherein the first inclined connection bracket is configured to have a second throttle portion padded on the rear surface of the first frame or the second frame and a fastening portion extending from a front end of the first throttle portion and formed with a bolt hole, A fastening portion extending from one end of the fastening portion to form a bolt hole and a fastening portion extending from the fastening portion and having a bolt hole formed therein, The first and second tightening portions of the first inclined connection brackets are padded on both sides and rear sides of the first frame or the second frame, and the first inclined connection brackets are fastened to the first and second inclined connection brackets, Wherein the first inclined connection bracket is positioned at a predetermined position of the first frame or the second frame so as to face the first inclined connection bracket and the second inclined connection bracket, And the second inclined connection bracket is attached to the end of the reinforcing frame so that the fastening portions of the second inclined connection brackets are padded on both side surfaces of the reinforcing frame and the engaging portions of the second inclined connection brackets are gathered together. And a pair of second inclined connection brackets are coupled to the second inclined connection brackets so as to connect the first inclined connection brackets to the second inclined connection brackets. The tightening section tightens the end of the reinforcing frame and inserts the gathered joint portions of the second inclined connection brackets into the clearance between the fastening portions of the first inclined connection brackets facing each other, And a coupling bolt inserted into a bolt hole of a coupling portion of the second inclined connection bracket to fasten the coupling nut, It characterized in that the bracket and the second tilting bracket to be connected to the hinge connection.

According to the above-described structure, the pallet for loading according to the present invention can be easily assembled and disassembled while securing the durability by connecting the neighboring frame to the assembly of the connecting bracket, The present invention relates to a pallet for loading.

1 is a perspective view showing a pallet for loading according to an embodiment of the present invention;
2A is a perspective view illustrating a T-shaped connection portion of a pallet for loading according to an embodiment of the present invention.
FIG. 2B is an exploded perspective view showing the T-shaped connecting portion of the pallet for pallet according to the embodiment of the present invention in detail.
FIG. 2C is a perspective view showing the T-type connecting bracket used in the T-shaped connecting portion of the pallet for loading according to the embodiment of the present invention in detail.
Figure 2d is a side view showing the T-shaped connection of the pallet for loading according to one embodiment of the present invention
FIG. 2E is a front view showing a coupled state of the T-shaped connecting portion of the pallet for loading according to an embodiment of the present invention; FIG.
FIG. 2f is a perspective view showing in detail another application example of the T-type connection bracket used in the T-shaped connection portion of the pallet for loading according to the embodiment of the present invention.
Figs. 2G and 2H are a side view and a front view showing the structure and operation of the T-type connection bracket shown in Fig. 2F
3A is a perspective view showing the L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention in detail,
3B is an exploded perspective view illustrating the L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention.
FIG. 3C is a perspective view illustrating the outer L-type connection bracket used for the L-shaped connection portion of the pallet for loading according to an embodiment of the present invention.
FIG. 3D is a perspective view showing in detail an inner L-type connection bracket used in an L-shaped connection portion of a pallet for loading according to an embodiment of the present invention.
3E is a side view showing an L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention
FIG. 3F is a side view showing a state of engagement of the L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention
FIGS. 3G and 3H are a perspective view and an exploded perspective view showing another application example of the L-shaped connecting portion of the pallet for loading according to the embodiment of the present invention;
FIGS. 3I and 3J are perspective views showing another application example of the outer L-type connection bracket and the inner L-type connection bracket used in the L-shaped connection portion of the pallet for loading according to the embodiment of the present invention.
3K is a side view showing the structure and operation of the outer L-type connection bracket and the inner L-type connection bracket shown in Figs. 3I and 3J
4A is a perspective view showing the I-shaped connecting portion of the pallet for loading according to the embodiment of the present invention in detail,
4B is an exploded perspective view showing the I-shaped connecting portion of the pallet for loading according to an embodiment of the present invention in detail.
FIG. 4C is a perspective view showing the I-type connection bracket used in the I-shaped connection portion of the pallet for loading according to the embodiment of the present invention in detail.
4D is a side view showing the I-shaped connecting portion of the pallet for loading according to the embodiment of the present invention
FIG. 4E is a perspective view showing in detail the I-type connection bracket used in another application example of the I-shaped connection portion of the pallet for loading according to the embodiment of the present invention.
Fig. 4F is a side view showing the structure and operation of the I-type connection bracket shown in Fig. 4E
FIG. 5A is a perspective view showing the LI-type connecting portion of the pallet for loading according to an embodiment of the present invention in detail.
FIG. 5B is an exploded perspective view illustrating the LI-type connecting portion of the pallet for loading according to an embodiment of the present invention.
FIG. 5C is a side view showing the structure and operation of the L-shaped and I-shaped connection brackets used in another application example of the LI-shaped connection portion of the pallet for loading according to the embodiment of the present invention
6A is a perspective view illustrating a caster connection portion of a pallet for pallet according to an embodiment of the present invention.
6B is an exploded perspective view showing the caster connection portion of the pallet for pallet according to the embodiment of the present invention in detail.
FIG. 6C is a perspective view illustrating the caster connection bracket used in the caster connection portion of the pallet for loading according to the embodiment of the present invention in detail.
6D is a side view showing a caster connection portion of the pallet for loading according to an embodiment of the present invention
FIG. 7A is a perspective view showing in detail a loading pallet according to another embodiment of the present invention. FIG.
7B is a perspective view showing a state in which the frame assembly is rotated by the rotation connection portion in the loading pallet according to another embodiment of the present invention.
FIG. 7C is a perspective view showing a rotation connection portion in the pallet for loading according to another embodiment of the present invention. FIG.
FIG. 7D is an exploded perspective view showing a rotating connection portion in the pallet for loading according to another embodiment of the present invention. FIG.
7E is a perspective view showing a first rotation connection bracket constituting a rotation connection portion in a pallet for loading according to another embodiment of the present invention;
7f is a perspective view showing a second rotation connection bracket constituting a rotation connection portion in the pallet for loading according to another embodiment of the present invention.
FIG. 7G is a perspective view showing a hinge region constituting a rotating connection portion in the pallet for loading according to another embodiment of the present invention; FIG.
7H is a side view showing a rotation connection portion in the loading pallet according to another embodiment of the present invention
8A is a perspective view showing in detail the oblique connecting portion in the loading pallet according to another embodiment of the present invention.
8B is an exploded perspective view showing in detail the oblique connecting portion in the loading pallet according to another embodiment of the present invention.
8C is a perspective view showing in detail a first inclined connection bracket constituting an inclined connection portion in a pallet for loading according to another embodiment of the present invention.
8D is a perspective view showing in detail a first inclined connection bracket constituting an inclined connection portion in a pallet for loading according to another embodiment of the present invention.
8E is a side view showing the inclined connection portion in detail in the loading pallet according to another embodiment of the present invention

Hereinafter, a loading pallet according to the present invention will be described in detail with reference to the embodiments shown in the drawings.

1 is a perspective view showing a pallet for loading according to an embodiment of the present invention. Referring to FIG. 1, a pallet for loading according to an embodiment of the present invention includes a frame body 1 having a rectangular parallelepiped shape to which a frame F is connected. In the frame body 1, a side panel (not shown) is coupled to prevent or prevent the fall of the load, or a wheel such as a caster is attached to the lower part for convenience of movement.

The frame body 1 shown in Fig. 1 is assembled by connecting a plurality of frames F. Fig. J2, J2, J2, J3, J4, Jc in which a cross section of the frame F is rectangular and a portion of the rectangular frame F which is adjacent to the frame F is connected by a connection bracket, . The frame F has a rectangular cross-section and can be made of a metal material such as steel or aluminum but also a resin material having sufficient rigidity. The figure shows an example of a square frame steel frame with a hollow lightweight structure Respectively. A T-shaped connecting portion J1 connecting the frame F with a T-shaped connecting portion and an L-shaped connecting portion J connected to the frame F in an L-shape are formed on the connecting portions J1, J2, J2 ', J3, J4, J, J2 '), an I-shaped connecting portion J3 in which the frame F is connected in an' I 'shape, a composite LI type connecting portion J4 in which the frame F is vertically connected in a plurality of directions and a caster connecting portion Jc ).

Hereinafter, the connection portions J1, J2, J2 ', J3, J4 and Jc will be described in more detail.

The frame body 1 of the pallet according to the embodiment of the present invention has a T-shaped connection portion J1 in which the frame F is connected in a T shape.

FIG. 2A is a perspective view illustrating a T-shaped connecting portion of a pallet for loading according to an embodiment of the present invention, FIG. 2B is an exploded perspective view illustrating a T-shaped connecting portion of the pallet for pallet according to an embodiment of the present invention, FIG. 2C is a perspective view illustrating a T-type connection bracket used in a T-shaped connection portion of a pallet for carrying according to an embodiment of the present invention in detail, FIG. 2D is a perspective view of a T-shaped connection pallet according to an embodiment of the present invention, FIG. 2E is a front view showing a state where the T-shaped connecting portion of the pallet for pallet according to the embodiment of the present invention is engaged. FIG.

2A to 2E, the T-shaped connecting portion J1 is formed such that the ends of the second frames J1-f2 are positioned close to one side of the first frame J1-f1, The first frame J1-f1 and the second frame J1-f2 are wrapped around the first frame J1-f1 and the second frame J1- (J1-f2) are connected to each other.

The T-shaped connection bracket T may be formed of various materials in a bracket configuration for coupling the T-shaped portion of the second frame J1-f2 to the first frame J1-f1 as described above. However, it is preferable that the steel plate is formed by press working to secure sufficient rigidity. The first throttle T 1, the second throttle T 2, the first side throttle T 3, the second side throttle T 4 and the fastening portion T 5 are respectively connected to the T-type connection brackets T .

The first throttle T1 is poured on one surface of the first frame J1-f1 at a portion where the first frame J1-f1 and the second frame J1-f2 are gathered, (J1-f1) in the vertical direction.

The first side prong portion T3 is a portion for tightening the first frame J1-f1 in the lateral direction. The first lateral throttle portion T3 is bent at a right angle at one side end edge of the first throttle T1 so that the first frame J1, which is positioned on the side where the ends of the second frame J1- -f1, the other side of the first frame J1-f1 is tightened.

The first lateral throttle portion T3 of the T-shaped connection bracket T is formed with a mating protrusion T31 and an engaging recess T32 which are engaged with each other. Referring to FIG. 1, a pair of T-type connection brackets T, which are overlapped with each other at a portion where the first frame J1-f1 and the second frame J1-f2 are opposed to each other, The engaging protrusion T31 of the other T-type connecting bracket is inserted into the engaging recess T32 of one T-type connecting bracket and the engaging recess T31 of the other T- So that the first side throttle portions T3 are interlocked with each other. Fig. 2E shows the occlusion relationship of the occlusal projection T31 and the occlusion cervical portion T32 in detail.

The second throttle T2 is a portion for tightening the distal end of the second frame J1-f2 in the vertical direction. Referring to the drawing, the second throttle T2 is poured on one surface of the second frame J1-f2 at a portion where the first frame J1-f1 and the second frame J1-f2 are gathered The distal ends of the second frames J1-f2 are vertically tightened.

The second side prong portion T4 is a portion for tightening the distal end portion of the second frame J1-f2 in the lateral direction. Referring to the drawing, the second side prong portion T4 is bent at right angles at both side edges of the second throttle T2 and is padded to cover both sides of the second frame J1-f2, The ends of the frames J1-f2 are tightened in both directions. The second side rectilinear section T4 extends to the coupling section T5 so that the end T41 of the second side rectilinear section T4 contacts one side surface of the first frame J1- In the lateral direction.

The coupling portion T5 is formed by coupling the T-shaped connection brackets T, which are paired with each other at a portion where the first frame J1-f1 and the second frame J1-f2 are gathered, Is a portion where the coupling bolt B and the coupling nut N are fastened to fasten the first frame J1-f1 and the second frame J1-f2. Referring to the drawing, the fastening part T5 is positioned between the first throttle T1 and the second throttle T2 and connects the first throttle T1 and the second throttle T2. . The fastening part T5 is formed with a bolt hole T52 into which the coupling bolt B is inserted. A seating portion T51 is formed around the bolt hole T52 and protruded from the inside of the coupling portion T5 at the outer side of the coupling portion T5, The head of the coupling bolt B and the coupling nut N are seated.

A reinforcing bead for reinforcing the connection portion between the first throttle T1 and the coupling portion T5 by tightening the coupling bolt B and the coupling nut N, (T6) is formed to extend over the first throttle (T1) and the fastening portion (T5) of the T-type connection bracket (T).

On the other hand, a notch T7 for preventing stress concentration is formed at the corner where the edges of the second side throttle portion T3 of the T-type connection bracket T are gathered. In the figure, a notch T7 is formed at a corner where the second lateral side throttle T3 extends to the coupling T5 so that the edges of the second side throttle T3 and the coupling T5 are gathered Which is an embodiment. However, when the second side throttle portion T3 is positioned within the second throttle T2 (not shown), the notch T7 is positioned between the second side throttle portion T3, And is formed at the corner where the edges of the pregnant T2 are gathered.

 The T-shaped connection bracket T formed as described above is formed such that a pair of the first frame J1-f1 and the second frame J1-f2 are overlapped with each other at a portion where the first frame J1-f1 and the second frame J1- And the coupling nut (N) is fastened to the coupling bolt (B). The first frame J1-f1 is tightened by the first throttle T1 and the first side throttle T3 while the pair of T-type connection brackets T are coupled as described above, The frames J1-f2 are tightened by the second throttle T2 and the second side throttle T4 so that the first frame J1-f1 and the second frame J1- They are connected to each other as they meet each other.

On the other hand, the T-type connection bracket for connecting the frame in the T-shaped connection part J1, in which the frames are connected in the T-shape, may have the shape shown in FIGS. 2F to 2H. 2f is a perspective view showing in detail a further application example of a T-type connection bracket used in a T-shaped connection portion of a pallet for loading according to an embodiment of the present invention. Figs. 2g and 2h are cross- Side view and front view showing the structure and operation of another application example of the bracket.

The T-type connection bracket T 'shown in FIGS. 2F to 2H is similar to the T-type connection bracket T shown in FIGS. 2A to 2G. In other words, the T-type connection bracket T 'shown in FIGS. 2F to 2H has the first throttle T1', the second throttle T2 ', and the second throttle T2' as in the T- , A first side prong portion T3 ', a second side prong portion T4', and a fastening portion T5 '. Therefore, the main features of the T-type connection bracket T 'shown in FIGS. 2F to 2H will be described below.

The T-shaped connection bracket T 'shown in FIGS. 2f to 2h is configured such that the support portion T42' is supported on the second side prong portion T4 '. Referring to FIG. 2F, the T-shaped connection bracket T 'shown in FIGS. 2F to 2H has a second side fastening portion T4' which passes through the bolt hole T52 'of the fastening portion T5' And a support portion T42 extending in the direction of the first throttle T1 'and protruding downward from the second side surface T4' so as to be positioned between the bolt hole T52 'and the first throttle T1' '). Accordingly, a pair of T-type connection brackets T 'are overlapped with each other at a portion where the first frame J1-f1 and the second frame J1-f2 are gathered to be inserted into the bolt hole T52' And a pair of T-shaped connecting brackets T 'are coupled to each other by fastening a coupling nut to the coupling bolts B. The pair of T-shaped coupling brackets T' Shaped support bracket T42 'is brought into contact with the support portion T42' of the other T-shaped connection bracket so that the support portion T42 'on the opposite side of the support portion T42' that comes into contact with the bolt hole T52 ' The second frame J1-f2 is more strongly tightened by the second throttle T2 'while the second throttle T2' positioned is rotated in the direction F1 to be tightened. At this time, the position P2 at which the support portion T42 'abuts is a supporting point of the lever, and as a result, strong tightening force is generated in the second throttle T2', which is distant from the position P1 where the coupling bolt B is fastened, .

The T-shaped connection bracket T 'shown in FIGS. 2F to 2H is engaged with the interlocking protrusions T31' and T31 'which are engaged with each other even when a force is applied in the direction F2 in which the first throttle T1' And the engaging recessed portion T32 'are formed so as not to be attracted to each other. A horizontally aligned horizontal occlusion portion T34 'is formed on the occlusal projection T31' and the abutment portion T32 'which are engaged with each other. The horizontal interlocking portion T34 'is perpendicular to the force applied in the direction F2 in which the first throttle T1' is extended, so that there is no slippage.

The end of the mating protrusion T31 'is caught in the T-shaped connection bracket T' shown in FIGS. 2F to 2H in the process of the engagement of the mating protrusion T31 'with the occlusion recess T32' An interference avoiding recessed portion T33 'for passing without interference is formed concavely in the inner portion of the occlusal recessed portion T32' facing the occlusal projection T31 '.

In addition, the frame body 1 of the pallet according to the embodiment of the present invention has L-shaped connecting portions J2 and J2 'each of which connects the frame F in an L shape. In the L-shaped connecting portion indicated by J2 in the drawing, the third frame J2-f3 is inserted and joined at the ends thereof, and the L-shaped connecting portion indicated by J2 'is connected with the third frame J2- FIG. Therefore, in the following description, the L-shaped connecting portion J2 according to the example in which the third frame J2-f3 is inserted only at the end is preferentially described and the third frame J2-f3 is completely inserted and coupled The L-shaped connecting portion J2 'will be described only as a difference.

3A to 3F illustrate an L-shaped connecting portion J2 according to an example in which the third frame J2-f3 is inserted only at the ends thereof. 3A is a perspective view illustrating an L-shaped connecting portion of a pallet for loading according to an embodiment of the present invention, and FIG. 3B is a perspective view illustrating an L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention FIG. 3C is a perspective view illustrating in detail an outer L-type connection bracket used in the L-shaped connection portion of the pallet for loading according to an embodiment of the present invention. FIG. 3D is a perspective view FIG. 3E is a side view showing an L-shaped connecting portion of a pallet for loading according to an embodiment of the present invention, and FIG. 3F is a side view of the inner L-type connecting bracket used in the L-shaped connecting portion of the pallet. FIG. 8 is a side view showing a state of engagement of an L-shaped connecting portion of a pallet for loading according to an embodiment.

3A and 3B, the L-shaped connecting portion J2 is formed such that the end of the first frame J2-f1 and the end of the second frame J2-f2 are positioned close to each other, And the inner L-shaped connection bracket Li is inwardly engaged with the outer L-shaped connection bracket Lo on the outer side so that the first frame J2-f1 and the second frame J2- And the first frame J2-f1 and the second frame J2-f2 are connected to each other in an L-shape. The L-shaped connecting portion J2 is formed such that a third frame J2-f3 is vertically erected at a portion where the second frame J2-f2 is connected to the first frame J2-f1 in an L- .

The second L-shaped connecting bracket Lo and the inner L-shaped connecting bracket Li are arranged so that the second frame J2-f2 is arranged in an L-shape in the first frame J2-f1, The frame J2-f3 may be vertically formed and its end may be formed of various materials in a bracket configuration for joining the end portion of the second frame J2-f2 to the gathered portion of the first frame J2-f1, It is preferable that the steel sheet is formed by press working to secure rigidity.

The outer L-type connection bracket Lo is configured to connect the first, second and third frames J2-f1, J2-f2 and J2-f3 together with the inner L-type connection bracket Li, Each of which has a shape bent in an L shape and includes a pair of first throttling Lo1, a pair of second throttling Lo2, a pair of fastening portions Lo3, and a side trimming portion Lo4 Respectively.

The pair of first twist Lo1 is formed at a symmetrical position at the end portion of the L-shaped outer connection bracket Lo, and the first frame J2-f1 and the second frame J2- In the direction from the outside to the inside. Referring to the drawing, each of the first throttle Lo1 is padded on the outer side of each of the first frame J2-f1 and the second frame J2-f2, and the first frame J2-f1 and the second frame J2- And the ends of the second frame J2-f2 are tightened from the outside to the inside.

The pair of second twist Lo2 is a portion for tightening the ends of the third frame J2-f3. The pair of second tweezers Lo2 are bent at right angles to each other so as to be connected in an L shape, and the distal end side of the third frame J2-f3 is fastened.

The pair of fastening portions Lo3 are positioned between the first throttle Lo1 and the second throttle Lo2 to be engaged with the coupling bolt B and the coupling nut N, And is integrally connected to them while connecting the first throttling Lo1 and the second throttling Lo2. Each of the fastening portions Lo3 is formed with a bolt hole Lo31 into which the coupling bolt B is inserted.

On the other hand, the reinforcement bead Lo5 is formed to be long between the second tightening Lo2 and the fastening portion Lo3 of the outer L-type connection bracket Lo to reinforce the rigidity of the outer L-type connection bracket Lo .

The lateral rectilinear section Lo4 is disposed between the first frame J2-f1 and the second frame J2-f2 in the lateral direction on both sides of the first frame J2-f1 and the second frame J2- As shown in FIG. Referring to the drawing, the side trimming section Lo4 is bent at right angles at both side edges of each of the first throttle Lo1, so that both side surfaces of the first frame J2-f1 and the second frame J2- And fits the side surfaces of the first frame J2-f1 and the second frame J2-f2.

On the other hand, a notch Lo6 for preventing the concentration of stress is formed at the corner where the edge of the lateral tightening portion Lo4 of the outer L-type connection bracket Lo is gathered. In the figure, the side trimming section Lo4 extends to the fastening section Lo3 so that the edge of the side trimming section Lo4 is gathered with the edge of the fastening section Lo3 to form a corner, As shown in Fig.

The inner L-type connection bracket Li is configured to connect the first, second and third frames J2-f1, J2-f2 and J2-f3 together with the outer L-type connection bracket Lo, Each of them has a generally L-shaped shape and is formed to have a pair of thrust parts Li1, a pair of fastening parts Li2, a side thrust part Li3, and a bend part Li4.

The pair of throttle portions Li1 are connected to the first frame J2-f1 and the second frame J2-f1 whose outer sides are tightened by the first throttle Lo1 of the outer L- f2). The throttle portion Li1 is padded on the inner side of each of the first frame J2-f1 and the second frame J2-f2 so that the first frame J2-f1 and the second frame J2- f2 in the outward direction from the inner side.

The fastening portion Li2 is a portion to be fastened to the coupling bolt B and the coupling nut N and is positioned between the fastening portion Li1 and the bending portion Li4, (Li4) are connected to each other. A bolt hole Li22 into which the coupling bolt B is inserted is formed in the coupling part Li2.

The lateral throttle portion Li3 is disposed between the first frame J2-f1 and the second frame J2-f2 in the lateral direction on both sides of the first frame J2-f1 and the second frame J2- As shown in Fig. Referring to the drawing, the lateral thrust section Li3 is bent at right angles at both side edges of each of the thrust sections Li1 to enclose both side surfaces of the first frame J2-f1 and the second frame J2-f2 So that the side surfaces of the first frame J2-f1 and the second frame J2-f2 are pinched. The figure shows a structure in which the lateral throttle portion Li3 extends to the fastening portion Li2 and a tight contact portion Li31 protrudes from the end of the fastening portion Li3. The close contact portion Li31 is configured to closely contact the inner surface of the third frame J2-f3 to support the third frame J2-f3.

The bent portion Li4 is bent at a right angle to connect the pair of coupling portions Li2 in an L-shape. The bent portion Li4 supports the inner edge of the third frame J2-f3 and supports the third frame J2-f3 together with the second throttle Lo2 of the outer L- Lt; / RTI > In particular, since the bending portion Li4 receives a force to be deformed in the process of being coupled with the outer L-shaped connection bracket Lo by fastening the coupling bolt B and the coupling nut N, It is preferable that beads are formed to intersect with each other. In the drawing, an example in which the bead is continuous with the seating portion Li31 of the fastening portion Li2 is shown.

The outer L-shaped connecting bracket Lo and the inner L-shaped connecting bracket Li formed as described above are assembled such that the first frame J2-f1 and the second frame J2-f2 meet in an L shape The first frame J2-f1, the second frame J2-f2, and the third frame J2-f2 are coupled to each other at the positions where the ends are gathered together by vertically erecting the third frame J2- J2-f3). Referring to the drawing, the outer L-shaped connection bracket Lo is abutted on the outside of the corner where the first frame J2-f1 and the second frame J2-f2 are L-shaped, Type connecting bracket L0 and the inner L-shaped connecting bracket L0 in a state in which the inner L-type connecting bracket Li is in contact with the inner side of the corner formed by the L-shaped second frame J2-f1 and the second frame J2- And the inner L-type connecting bracket (Lo) and the inner L-type connecting bracket (Li) are fastened together by fastening the engaging nut (N) to the fastening bolt (B) inserted into the bolt holes (Lo32, Li22) Respectively. That is, the outer L-shaped connecting bracket Lo and the inner L-shaped connecting bracket Li are formed at the ends where the first frame J2-f1 and the second frame J2-f2 meet in an L- And the coupling nut N is fastened to the coupling bolts B inserted into the bolt holes Lo32 and Li22 so that the outer L connection bracket Lo and the inner L connection bracket Li overlap each other The ends of the first frame J2-f1 and the second frame J2-f2 are coupled to the first throttle Lo1 and the side throttle Lo4 of the outer L-type connection bracket Lo, And is tightened by the tightening portion Li1 and the side-surface tightening portion Li3 of the inner L-type connecting bracket Li.

The first frame J2-f1 and the second frame J2-f2 are connected in an L-shape by the coupling of the outer L-type connection bracket Lo and the inner L-type connection bracket Li, The third frame J2-f3, which is vertically erected with respect to the first frame J2-f1 and the second frame J2-f2, is connected. Referring to FIG. 1, the second throttle Lo2 of the outer L-type connection bracket Lo and the second L-shaped connection bracket Lo of the inner L- The third frame J2-f3 is inserted into the through hole formed by the bent portion Li4 of the connection bracket Li so that the third frame J2- And is coupled at right angles to the frame J2-f2. Referring to the drawing, the outer sides of the third frame J2-f3 are connected to the second loop Lo2 of the outer L-type connecting bracket Lo, and the third frame J2- The inner edge of the inner L-shaped connection bracket Li is brought into contact with the edge of the bent portion Li4 of the inner L-type connection bracket Li and the coupling nut N is fastened to the coupling bolt B inserted into the bolt holes Lo32 and Li22, The third frame J2-f3 is connected to the second throttle Lo2 of the outer L-type connecting bracket Lo and the second throttle Lo2 of the outer L- And is tightened by the corners of the bent portion (Li4) of the inner L-shaped connection bracket (Li).

As described above, the third frame J2-f3 is formed by the corners of the second throttle Lo2 of the outer L-type connection bracket Lo and the bent portion Li4 of the inner L-type connection bracket Li The present invention provides a structure for supporting the inner side of the third frame J2-f3 on the inner L-type connection bracket Li so that the coupling of the third frame J2-f3 is firmly performed. Is provided. Referring to the drawing, a side lug portion Li3 of the inner L-type connection bracket Li protrudes from a proximal end portion Li31 at its end and abuts on the inner surface of the third frame J2-f3, And the tight contact portion Li31 tightens the inner surface of the third frame J2-f3. Accordingly, the third frame J2-f3 is formed with the second throttle Lo2 of the outer L-type connection bracket Lo and the bend portion Li4 of the inner L-type connection bracket Li, And is tightly tightened by the portion Li31.

On the other hand, when the tight contact portion Li31 is brought into contact with the inner surface at the end of the third frame J2-f3, the end of the third frame J2-f3 may be separated from the close contact portion Li31. In order to overcome such a possibility, it is preferable that the contact portion Li31 is formed to be inclined inwardly at a portion connected to the side tightening portion Li3. 3F is a sectional view of the third frame J2-f3 at the position where the end of the tight contact portion Li31 is spaced apart from the end of the third frame J2-f3 by an interval t, In the present embodiment.

The fastening portions Lo3 and Li2 of the outer L-type connecting bracket Lo and the inner L-type connecting bracket Li are respectively fastened to the fastening portions Lo3 and Li2 around the bolt holes Lo32 and Li22, The seating portions Lo31 and Li21 protrude so as to protrude from the inside of the fastening portions Lo3 and Li2. The seating portions Lo31 and Li21 are seated with a coupling bolt B head and a coupling nut N for coupling the outer L-type connection bracket Lo and the inner L-type connection bracket Li.

3G and 3H are a perspective view and an exploded perspective view showing another connection application example of the L-shaped connecting portion of the pallet for loading according to an embodiment of the present invention. As described above, according to the present invention, an example in which only the end of the third frame J2-f3 is inserted and coupled to the L-shaped connecting portions J2 and J2 'and an example in which the third frame J2- And the L-shaped connecting portion J2 according to an example in which the third frame J2-f3 is inserted and joined at the ends thereof has been described with reference to the embodiment shown in Figs. 3A to 3F. The embodiment shown in Figs. 3G and 3H relates to the L-shaped connecting portion J2 'according to the example in which the third frame J2-f3 is completely inserted and joined, and the insertion of the third frame J2- 3A to 3F, except for the difference in the coupling position according to the degree of coupling between the L-type connecting portion J2 and the third frame J2-f3.

On the other hand, the outer and inner L-type connection brackets for connecting the frames in the L-shaped connection portions J2 and J2 'in which the frames are connected in L-shape may have the shapes shown in FIGS. 3I to 3K. 3i and 3j show another application example of the outer L-shaped connecting bracket Lo 'and the inner L-shaped connecting bracket Li' used in the L-shaped connecting portion of the pallet for carrying according to the embodiment of the present invention And FIG. 3k is a side view showing the structure and operation of another application example of the outer L-shaped connection bracket Lo 'and the inner L-shaped connection bracket Li' shown in FIGS. 3i and 3j.

The outer and inner L-shaped connection brackets Lo 'and Li' shown in FIGS. 3i to 3k are similar to the outer and inner L-shaped connection brackets Lo and Li shown in FIGS. 3A to 3F. That is, the outer L-type connecting bracket Lo 'shown in FIGS. 3I to 3K includes a pair of first throttling portions Lo1', a pair of second throttling portions Lo2 ', a pair of fastening portions The inner L-type connection bracket Li 'shown in FIGS. 3I to 3K is formed to have a pair of thrust portions Li1', a pair of fastening portions L0 ' (Li2 '), a lateral tightening portion (Li3'), a bent portion (Li4 ') and a close contact portion (Li31'). Therefore, the main features of the outer and inner L-type connection brackets (Lo ', Li') shown in FIGS. 3I to 3K will be described below.

The outer and inner L-shaped connection brackets Lo 'and Li' shown in FIGS. 3I to 3K are formed so that the support portions Lo42 'and Li32' are supported on the respective side-side tightening portions Lo4 'and Li3' . The outer L-shaped connecting bracket Lo 'and the inner L-shaped connecting bracket Li' have respective side fastening portions Lo4 'and Li3' connected to the respective fastening portions Lo3 'and Li2'Lt; / RTI > The outer L-shaped connection bracket Lo 'has a support portion Lo41' protruding downward between the bolt hole and the second tightening portion Lo2 ', extending from the bolt hole through the side tightening portion Lo4' And the inner L-shaped connection bracket Li 'also has a support portion Li31 protruding downward between the bolt hole and the bent portion Li4''). The outer L-shaped connecting bracket Lo 'and the inner L-shaped connecting bracket Li' formed as described above are connected to the first frame J2-f1, the second frame J2-f2 and the third frame J2-f3 And an outer L-type connecting bracket (20) which is coupled to the coupling bolt (B) inserted in the bolt hole and which is coupled to the coupling bolt (B) The support portions Lo42 'of the inner L-shaped connection bracket Li' abut against the support portions Li32 'of the inner L-shaped connection bracket Li', and the support portions Lo42 'and Li32' The first throttle Lo1 'of the outer L-shaped connection bracket Lo' and the throttle portion Li1 'of the inner L-shaped connection bracket Li' are rotated in the direction F in which the first throttle Lo1 ' The first frame J2-f1 and the second frame J2-f2 are connected to the first throttle Lo1 'of the outer L-type connection bracket Lo' and the inner L-type connection bracket Li ' In the throttling portion Li1 ' It becomes strongly tightened. At this time, a position P2 at which the support portions Lo42 'and Li32' abut on each other becomes a supporting point of the lever, resulting in a first throttle Lo1 'and a second throttle Lo1' Strong tightening force is generated in the tightening portion Li1 '.

In addition, the frame body 1 of the pallet according to the embodiment of the present invention has an I-shaped connecting portion J3 in which the frame F is connected in an 'I' shape.

That is, the ends of the second frame J3-f2 are positioned closely to the ends of the first frame J3-f1, and a pair of I-type connection brackets I are arranged on the I- An I-shaped connecting portion J3 in which the first frame J3-f1 and the second frame J3-f2 are connected to each other while covering a portion where the first frame J3-f1 and the second frame J3- . The I-shaped connection part J3 is arranged such that the third frame J3-f3 is arranged orthogonal to the first frame J3-f1 and the second frame J3-f2, ) And the second frame (J3-f2). Therefore, an I-type connecting portion J3 in which the first frame J3-f1, the second frame J3-f2 and the third frame J3-f3 are concurrently connected will be described with reference to the drawings.

FIG. 4A is a perspective view showing the I-shaped connecting portion of the pallet according to the embodiment of the present invention in detail, FIG. 4B is an exploded perspective view showing the I-shaped connecting portion of the pallet according to the embodiment of the present invention in detail, FIG. 4C is a perspective view showing in detail an I-type connecting bracket used for an I-shaped connecting portion of a pallet for carrying according to an embodiment of the present invention, FIG. 4D is a perspective view showing an I- Fig.

The I-shaped connection brackets I are arranged such that a second frame J2-f2 is arranged in an I-shape in the first frame J2-f1 and the first frame J2-f1 and the second frame J2- And the third frame J2-f3 at the end of the second frame J2-f2 is joined to the first frame J2-f1 and the second frame J2-f2, But it is preferable that the steel sheet is formed by press working to secure sufficient rigidity.

The I-shaped connection brackets I are configured to connect the first, second, and third frames J2-f1, J2-f2, and J2-f3, each having an I- A pair of first fastening portions I1, a second fastening portion I2, a pair of fastening portions I3, and a side fastening portion I4.

The pair of first throttle I1 is attached to the outer side of each of the first frame J3-f1 and the second frame J3-f2 so that the I-type connecting bracket I As shown in Fig.

The second throttle I2 is positioned at the center of the I-type connecting bracket I so as to be padded on the outer surface of the third frame J3-f3 to fasten its outer surface. When a pair of I-shaped connection brackets I opposed to each other is superposed, a through hole is formed by the second throttle I2, a third frame J3-f3 is inserted into the through hole, And cross at right angles with the first frame J3-f1 and the second frame J3-f2. The second throttle I2 of the I-type connecting bracket I is poured into the third frame J3-f3 to fasten the engaging nut N to the engaging bolt B inserted into the bolt hole I32 And the third frame J3-f3 is tightened by the second throttle I2 of the I-type connection bracket I while a pair of the I-type connection brackets I are coupled to each other.

The fastening portion I3 is positioned between the first throttle I1 and the second throttle I2 to be engaged with the coupling bolt B and the coupling nut N, Is integrally connected to the first throttle (I1) and the second throttle (I2). A bolt hole I32 into which the coupling bolt B is inserted is formed in the coupling part I3. Around the bolt hole 32 is formed a seating portion I31 that is recessed outside the coupling portion I3 and convexly protruded from the inside of the coupling portion I3, The head of the bolt B and the engaging nut N are seated.

The lateral throttle portion I4 is configured to surround both side surfaces of the first frame J3-f1 and the second frame J3-f2 so as to clamp the side surfaces thereof, And is bent at right angles at both side edges of each first throttle I1. Particularly, the lateral tightening portion I4 of each of the I-shaped connection brackets I may extend to the fastening portion I3. As described above, it is preferable that the side end portion I4 extending to the fastening portion is configured so that its end I41 is abutted against the side surface of the third frame J3-f3 to support the side surface thereof.

The reinforcing beads I5 for reinforcing the I-type connection bracket I are formed to extend over the second throttle I2 and the fastening portion I3 of the I-type connection bracket I.

The corner where the edges of the lateral throttle section I4 and the first throttle I1 are gathered or the edges of the side throttle section I4 and the engaging section I3 are gathered, The notch I6 is formed so that the side tightening section I4 extends to the tightening section I3 so that the notch I6 is formed at the edge of the side tightening section I4 and the fastening section I3 An embodiment formed at the corner is shown.

The I-shaped connecting bracket I formed as described above is superimposed on a portion where the first frame J3-f1 and the second frame J3-f2 are gathered so as to face each other. In this state, the bolt holes I32 The first and second frames J3-f1 and J3-f2 are coupled to each other by coupling the coupling nut N to the coupling bolt B inserted into the first frame J3-f1, Is tightened by the first throttle (I1) and the side throttle (I4) of the I-type connection bracket (I).

When a pair of I-type connection brackets I are overlapped with each other so as to face each other, a through hole is formed by the second throttle I2, and a third frame J3-f3 is formed in the through- Is inserted at right angles to the first frame (J3-f1) and the second frame (J3-f2). In this state, the coupling nut (N) is fastened to the coupling bolt (B) inserted into the bolt hole (I32) to couple the pair of I-type coupling brackets (I) Type connecting bracket I is tightened by the second throttle 12 of the I-type connecting bracket I.

Meanwhile, the I-type connection bracket for connecting the frame in the I-shaped connection part J3 in which the frame is connected in an I-shape may have the shape shown in FIGS. 4E and 4F. FIG. 4E is a perspective view showing in detail a different application example of the I-shaped connection bracket I 'used in the I-shaped connection portion of the pallet according to the embodiment of the present invention, FIG. 4F is a perspective view showing the I- And is a side view showing the structure and operation of another application example of the connection bracket I '.

The I-shaped connection bracket I 'shown in FIGS. 4E and 4F is similar to the I-shaped connection bracket I shown in FIGS. 4A to 4D. That is, the I-shaped connection bracket I 'shown in FIGS. 4E and 4F has an I-shape as a whole and includes a pair of first throttle I1', a second throttle I2 ' The fastening portion I3 'and the end portion I41' are formed to have side surface constriction portions I4 'for supporting the side surfaces of the third frame J3-f3. Therefore, the main features of the I-type connection bracket I 'shown in FIGS. 4E and 4F will be described below.

The I-shaped connection bracket I 'shown in FIGS. 4E and 4F is configured such that the supporting portion I42' is a supporting point of the lever at the side tightening portion I4 '. Referring to the drawings, the I-shaped connection bracket I 'shown in FIGS. 4E and 4F is formed such that the lateral tightening portion I4' extends beyond the bolt hole of the fastening portion I3 ' A supporting portion I42 'protruding downward is formed. The I-shaped connection bracket I 'formed as described above is assembled such that a pair of the first frame J3-f1 and the second frame J3-f2 are overlapped with each other at a portion where the first frame J3-f1 and the second frame J3- (B) by fastening a coupling nut. The support portions I42 'of the pair of I-shaped connection brackets I' opposed to each other by the engagement of the engagement bolts B and the engagement nuts come into contact with each other, And the first throttle I1 'of the I-type connection bracket I' positioned on the opposite side of the first frame J3-f1 and the second frame I2 ' (J3-f2) is strongly tightened by the first throttle I1 'of the I-type connection bracket I'. At this time, the position P2 at which the support portion I42 'abuts is a supporting point of the lever, and as a result, strong tightening force is applied to the first throttle I1', which is distant from the position P2 at which the bolt B is fastened, .

In addition, the frame body 1 of the pallet according to an embodiment of the present invention has an L-I-type connecting portion J4 in which the frame F is connected in an L-shaped character and an I-character.

That is, the first frame J4-f1 and the second frame J4-f2 are arranged in an I-shape in the connection portion, and the third frame J4-f3 is arranged in the first frame J4-f1 and the second frame J4- The end of the first frame J4-f1, the end of the second frame J4-f2 and the end of the third frame J4-f3 are arranged close to each other so as to be arranged in an L shape with each of the frames J4- And an LI connection part J4 to which a part is connected.

FIG. 5A is a perspective view illustrating an LI-type connecting portion of the loading pallet according to an exemplary embodiment of the present invention, and FIG. 5B is an exploded perspective view illustrating an LI-type connecting portion of the loading pallet according to an exemplary embodiment of the present invention .

Referring to the drawing, the LI connection unit J4 is configured such that a portion where the first frame J4-f1, the second frame J4-f2, and the third frame J4-f3 are collected is connected to a pair of inner L- (Li) and one I-type connection bracket (I). The LI connection J4 is formed such that one inner L-type connection bracket Li is in contact with the inside of the L-shaped portion of the first frame J4-f1 and the third frame J4-f3, The first frame J4-f1 and the third frame J4-f2 are wrapped around the gathered portion of the frame J4-f1 and the third frame J4-f3 to tighten the ends of the third frame J4- The second frame J4-f2 and the third frame J4-f3 are brought into contact with each other inside the L-shaped portion of the second frame J4-f2 and the third frame J4- f1 and the second frame J4-f2 and the third frame J4-f3 are tightened while one I-type connection bracket I is engaged with the first frame J4-f1, The first frame J4-f1 and the second frame J4-f2 are surrounded by the second frame J4-f2 outside the I-shaped gathered portion to cover the collected portion of the first frame J4-f1 and the second frame J4- ) And the end of the second frame (J4-f2).

The pair of inner L-type connection brackets Li used in the LI-type connection portion J4 are configured to have the structure and operation of the inner L-type connection bracket Li used in the L-shaped connection portion J2 shown in FIGS. 3A to 3K Are the same. The I-type connecting bracket I used in the LI-type connecting portion J4 has the same structure and operation as the I-type connecting bracket I used in the I-type connecting portion J3 shown in Figs. 4A to 4F . Accordingly, in the LI type connecting portion J4, the structure of each of the pair of the inner L-type connecting bracket Li and the I-type connecting bracket I and the structure of the first frame J4-f1, J4-f2 and the third frame J4-f3 are connected and connected to each other will not be described in detail.

The LI connection unit J4 includes a fourth frame J4-f4 that is orthogonal to the first frame J4-f1, the second frame J4-f2 and the third frame J4-f3, ) Are connected to each other. 4, the fourth frame J4-f4 is inserted into the through hole formed by the bent portion of the inner L-shaped connecting bracket Li and the second throttle of the I-shaped connecting bracket I, The first frame J4-f1, the second frame J4-f2, and the third frame J4-f3. At this time, the inner edge of the fourth frame J4-f4 is brought into contact with the edge of the bent portion of the inner L-type connection bracket Li, and the fourth frame J4- A second fastening portion is padded to fasten a coupling nut to the bolt inserted into the bolt hole to couple a pair of inner L-shaped connecting brackets Li and one I-shaped connecting bracket I to each other, J4-f4 are tightened by the bend edge of the inner L-type connection bracket Li and the second throttle of the I-type connection bracket I.

FIG. 5C is a side view showing the structure and operation of the L-type and I-type connection brackets Li and I used in another application example of the LI-type connection portion of the loading pallet according to the embodiment of the present invention, This is because the support portion Li32 'provided on the lateral tightening portion of the inner L-shaped connection bracket Li' and the support portion I42 'provided on the side tightening portion of the I-shaped connection bracket I' Gt; embodiment. ≪ / RTI > 5C, the inner L-shaped connection bracket Li 'extends laterally through the bolt hole of the fastening portion, and a support portion Li32' protruding downward from the extended portion is formed, The I-shaped connection bracket extends along the bolt holes of the fastening portions of each side fastening portion (I '), and a support portion I42' protruding downward from the extended portion is formed.

With the above-described structure, the support portions Li32 'of the pair of inner L-shaped connection brackets Li', which are opposed to each other by the engagement of the engagement bolts and the engagement nuts, are brought into contact with each other, The third frame J4-f3 is rotated in the direction F1 in which the fastening portions of the inner L-type connection bracket Li 'located on the opposite side of the supporting portion are rotated in the direction in which the fastening portions of the inner L-type connection bracket Li''). The supporting portion Li32 'of the inner L-type connecting bracket Li' and the supporting portion I42 'of the I-type connecting bracket I are opposed to each other by the engagement of the coupling bolt and the coupling nut, The connecting portions of the inner L-shaped connecting bracket Li 'positioned on the opposite side of the supporting portions Li32' and I32 'and the first tightening portions of the I-shaped connecting bracket I' The first frame J4-f1 and the second frame J4-f2 are rotated in the direction F2 so that the throat of the inner L-type connecting bracket Li 'and the portion of the I- It is strongly tightened by the first trimester.

Meanwhile, the frame body 1 of the pallet for loading according to the embodiment of the present invention is mounted on the lower part with a caster C so as to facilitate transportation. The frame body 1 of the pallet according to the present invention is provided with a caster connection portion Jc for easily mounting the caster C and for firmly mounting the caster C. [

FIG. 6A is a perspective view showing a detail of a caster connection part of a pallet for loading according to an embodiment of the present invention, FIG. 6B is an exploded perspective view showing a caster connection part of the pallet for pallet according to an embodiment of the present invention in detail, 6C is a perspective view illustrating a caster connection bracket used in a caster connection portion of the pallet for loading according to an embodiment of the present invention in detail, FIG. 6D is a side view showing a caster connection portion of the pallet for pallet according to an embodiment of the present invention to be.

Referring to the drawings, a connecting portion of a frame body 1 is provided with first and second frames C-f1 and C-f2, which are arranged in parallel at a lower portion of the frame body 1, And a caster connecting portion C to which a caster C is attached to a lower portion of the caster connecting bracket Cb. The figure shows an embodiment in which a pair of caster connection brackets Cb are disposed adjacent to the caster connection portion C and a caster C is attached to a lower portion of the pair of connection brackets Cb.

Referring to FIG. 1, the caster connection bracket Cb includes a coupling portion Cb1 located at both ends thereof, and a mounting portion Cb1 positioned between the coupling portion Cb1 and integrally connected to the coupling portion Cb1 Cb2). The mounting portion Cb2 is formed with a bolt hole Cb21 for insertion of a coupling bolt B to be connected to the caster C. [ The edges of the mounting portions Cb2 are bent downward to form latch portions Cb3.

The caster connection bracket Cb formed as described above is positioned such that the mounting portion Cb2 is positioned in a gap between the first and second frames C-f1 and C-f2, 1 and the second frames C-f1 and C-f2, respectively. The engagement portion Cb3 is positioned between the first and second frames C-f1 and C-f2 so that the caster connection bracket Cb is firmly fixed between the first and second frames C-f1 and C- -f2). That is, the caster connection bracket Cb is inserted into the gap between the first and second frames C-f1 and C-f2 so that both end portions of the engaging portion Cb3 are engaged with the first and second frames C- The first and second frames C-f1 and C-f2 are brought into close contact with the inner surfaces of the first and second frames C-f1 and C-f2 so that the caster connection bracket Cb is firmly coupled do.

The caster connection bracket Cb connected to the first and second frames C-f1 and C-f2 over the first and second frames C-f1 and C- (C) is mounted. The bolts of the bolts of the mounting portion Cb2 and bolts of the bolts of the caster C are screwed to each other in a state where the caster C is positioned below the mounting portion Cb2 of the caster connection bracket Cb, The caster C is fixed to the mounting portion Cb2 by inserting it into a bolt hole (not shown in the figure) and fastening the engaging nut N to the engaging bolt B thereof.

Meanwhile, the pallet for loading according to the present invention may be configured such that a frame or a frame assembly is rotatably connected to the support frame.

7A to 7G illustrate another embodiment of the present invention in which a frame assembly F formed by connecting a frame F or a plurality of frames by a rotation connection JR is rotatably connected to a support frame JR- And shows the frame body 2 of the pallet for loading according to the present invention. FIG. 7A is a perspective view showing a pallet for loading according to another embodiment of the present invention in detail, FIG. 7B is a view showing a state in which a frame assembly is rotated by a rotation connection portion in a pallet for loading according to another embodiment of the present invention FIG. 7C is a perspective view showing a rotating connection part in the pallet for pallet according to another embodiment of the present invention, FIG. 7D is a perspective view showing a rotation connection part in the pallet for pallet according to another embodiment of the present invention, FIG. 7E is a perspective view showing a first rotating connection bracket constituting a rotating connection part in the loading pallet according to another embodiment of the present invention, FIG. 7F is a perspective view showing the rotation of the pallet for loading according to another embodiment of the present invention FIG. 7G is a perspective view showing a second rotary connection bracket constituting a connection portion, FIG. 7G is a perspective view showing a rotary connection portion in a loading pallet according to another embodiment of the present invention Is a perspective view of the hinge of the earth, Fig. 7h is a side view showing the rotational connection in the pallet for loading in accordance with another embodiment of the present invention.

7A to 7G, in a frame body 2 of a pallet for loading according to another embodiment of the present invention, a frame F or a frame assembly is connected to a support frame JR- and a rotation connection part JR which rotatably connects the first and second support parts to each other. In the figure, a frame assembly in which a frame F is connected in a substantially rectangular shape by a T-type connection bracket T is rotatably connected to the support frame JR-fp.

Referring to the drawings, the rotary connection part JR includes a hinge hole formed in first and second rotation connection brackets Ra and Rb coupled to the support frame JR-fp, Or the hinge axis JR-C2 of the hinge section JR-C inserted and fixed at the end of the frame constituting the frame assembly is inserted so that the frame F or the frame assembly is attached to the support frame JR- Respectively.

And is connected to the support frame JR-fp together with the first rotation connection bracket Ra so that the hinge region JR-C is hinge-connected. Referring to FIG. 1, the first rotation connection bracket Ra includes a throttling portion Ra1 padded on one side of the support frame JR-fp, and a first rotation connection bracket Ra1 bending at a right angle at one end edge of the throttling portion Ra1 A side trimming portion Ra2 which is provided to cover one side of the support frame JR-fp and a bolt portion B extending from the throttle portion Ra1 on the opposite side of the side trimming portion Ra2, A hinge portion Ra4 having a hole Ra31 formed therein and a hinge portion Ra4 extending from the coupling portion Ra3 and formed with a hinge hole into which the hinge axis JR- Respectively. Both side edges of the fastening portion Ra3 and the hinge portion Ra4 are bent at right angles to form the side skirt Ra5 to increase the rigidity of the first rotary connection bracket Ra and to increase the rigidity of the hinge axis JR- C2 so that the hinge nuts HN are not exposed.

The second rotary connection bracket Rb includes a throttle portion Rb1 that is padded on the other surface of the support frame JR-fp, a second rotation connection bracket Rb1 that is bent at a right angle from one end edge of the throttle portion Rb1, a first side rectilinear section Rb2 which is formed on the opposite side of the first side rectilinear section Rb1 and which is folded at right angles to the other end edge of the rectilinear section Rb1 on the opposite side of the first side rectilinear section Rb2, A second side fastening portion Rb3 covering the other side surface of the first side fastening portion JR-fp and a fastening portion having a bolt hole bent at a right angle from the second side fastening portion Rb3 to insert the fastening bolt B Rb4).

The first and second rotary connection brackets Ra and Rb formed as described above are inserted into the bolts B inserted into the bolt holes Ra31 by overlapping the thrust portions Ra1 and Rb1, N and the first and second rotary connection brackets Ra and Rb are coupled to each other so that the support frame JR-fp is coupled to the throttling portion Ra1 of the first rotary connection bracket Ra, Is tightened by the ram Ra2, the throttle portion Rb1 of the second rotary connection bracket Rb, and the first and second side throttle portions Rb2 and Rb3.

The hinge section JR-C has a bushing section JR-C at the end of one frame F of the frame assembly formed by connecting a plurality of frames F by a T-shaped connection bracket T, C1) is inserted and fixed to the end of the frame (F). The frame assembly to which the hinge section JR-C is fixed includes a hinge axis JR-C2 of the hinge section JR-C to a first rotation connection bracket Ra coupled to the support frame JR- The frame assembly is rotated relative to the support frame JR-fp by fastening the hinge nut to the hinge axis JR-C2 so that the hinge axis JR-C2 is not detached from the hinge hole. Possibly to the support frame JR-fp.

The figure shows an embodiment in which the other side of a frame assembly rotatably connected to the support frame JR-fp by the rotation connection part JR is hooked on the stopper S so as not to fall.

Meanwhile, the loading pallet according to the present invention can be configured to reinforce the L-shaped corner portions connected in a diagonal direction by connecting the reinforcing frames in the L-shaped connected portions of the adjacent frames.

8A to 8E illustrate another embodiment of the present invention having a structure in which a reinforcing frame Fh is inclined diagonally between a first frame F1 and a second frame F2 connected in an L- 1 shows a frame body 3 of a pallet for loading according to an embodiment. 8A is a perspective view showing a detail of an inclined connection part in a pallet for loading according to another embodiment of the present invention, FIG. 8B is a perspective view showing a detail of the inclined connection part in the pallet for pallet according to another embodiment of the present invention in detail 8C is a perspective view showing in detail a first inclined connection bracket constituting an inclined connection part in a pallet for loading according to another embodiment of the present invention, And FIG. 8E is a side view illustrating the inclined connection portion of the pallet according to another embodiment of the present invention in detail. As shown in FIG.

8A to 8E, a reinforcing frame Fh is formed at a portion of the frame body 3 where the first frame F1 and the second frame F2 are connected in an L-shape, A slope connecting the end of the reinforcing frame Fh and a predetermined position of the first frame F1 and the second frame F2 in an oblique direction so as to be connected diagonally between the first frame F1 and the second frame F2, And a connecting portion Jh.

Referring to FIG. 1, the inclined connection portion Jh is coupled to the first frame F1 and the second frame F2 at a predetermined position of the first frame F1 and the second frame F2, respectively And a pair of second inclined connection brackets Hb coupled to the ends of the reinforcing frame Fh are hingedly connected to the first inclined connection brackets Ha of the pair. The first inclined connecting bracket Ha and the second inclined connecting bracket Hb are hinged to each other so that the reinforcing frame Fh is inclined at a predetermined angle with respect to the first frame F1 and the second frame F2 So as to be slantingly connected.

The first inclined connecting bracket Ha is coupled to the first frame F1 or the second frame F2 so that the first inclined connecting bracket Ha and the second inclined connecting bracket Hb are fixed to the first frame F1 and the reinforcing frame Fh ) Or the second frame (F2) and the reinforcing frame (Fh). Referring to the drawing, the first inclined connection bracket Ha is disposed at a predetermined position of the first frame F1 or the second frame F2 on the side of the first frame Ha or the second frame Hb And a second throttle Ha3 which is bent on the rear edge of the first throttle Ha1 and padded on the rear surface of the first frame F1 or the second frame F2, And a fastening portion Ha2 extending from the front end of the first throttle Ha1 and formed with a bolt hole.

The second inclined connection brackets Hb coupled to the ends of the reinforcing frame Fh and hinged to the first inclined connection brackets Ha may be attached to the side surfaces of the opposite ends of the reinforcing frame Fh, A coupling portion Hb2 extending from one end of the throttle portion Hb1 and formed with a bolt hole and a coupling portion Hb3 extending from the coupling portion Hb2 and having a bolt hole .

Each of the first and second inclined connection brackets Ha and Hb formed as described above is coupled to the first frame F1 and the second frame F2 and the reinforcing frame Fh as follows. The pair of first inclined connection brackets Ha are opposed to each other and the first throttle Ha1 and the second throttle Ha3 of the first inclined connection bracket Ha are connected to the first frame F1 Or the second frame F2 and the fastening portions Ha2 of the first inclined connection brackets Ha are spaced apart from each other to face the first frame F1 or the second frame F2, The first inclined connection bracket Ha is positioned at each predetermined position of the first inclined connection bracket Ha. The pair of second inclined connection brackets Hb are opposed to each other and the throttling portions Hb1 of the second inclined connection brackets Hb are padded on both sides of the reinforcing frame Fh, The engaging portions Hb3 of the two inclined connecting brackets Hb are engaged with the second inclined connecting brackets Hb in a state in which the second inclined connecting brackets Hb are positioned at the ends of the reinforcing frame Fh, Is inserted into the bolt hole formed in the coupling part Hb2 of the connection bracket Hb and the coupling nut N is fastened to the coupling bolt B so that the pair of second slant connection brackets Hb are coupled to each other, And the tightening portion Hb1 of the two-slant connection bracket Hb tightens the end of the reinforcing frame Fh. The first inclined connection bracket Hb and the second inclined connection bracket Hb are inserted into the gap between the fastening portions Ha2 of the first inclined connection brackets Ha facing each other, The coupling bolt B is inserted into the bolt hole of the coupling part Ha2 of the first inclined connection part Ha1 and the coupling part Hb3 of the second inclined connection bracket Hb to fasten the coupling nut N, The connection bracket Ha and the second inclined connection bracket Hb are hingedly connected.

The pallet for loading described above and shown in the drawings is only one embodiment for carrying out the present invention and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the following claims, and the embodiments improved and changed without departing from the gist of the present invention are obvious to those having ordinary skill in the art to which the present invention belongs It will be understood that the invention is not limited thereto.

F frame
1 frame body First embodiment
J1 T type connection
J1-f1, J1-f2 The first and second frames
T, T 'T connection bracket
T1, T1 'First trimester
T2, T2 'Second trimester
T3, T3 '
T31, T31 '
T32, T32 'occlusion
T33 'interference avoidance
T34 'Horizontal occlusion
T4, T4 '
T41 end
T42 '
T5, T5 '
T51 seat part
T52 bolt hole
T6 Reinforced Bead
T7 notch
B coupling bolt
N coupling nut
J2 L type connection
J2-f1, J2-f2, J2-f3 The first, second and third frames
Lo, Lo 'Outside L-type connection bracket
Lo1, Lo1 'First trimester
Lo2, Lo2 'Second trimester
Lo3, Lo3 '
Lo31 seat portion
Lo32 Bolt hole
Lo4, Lo4 '
Lo42 '
Lo5 reinforcement bead
Lo6 notch
Li, Li 'Inner L-shaped connection bracket
Li1, Li1 '
Li2, Li2 '
Li21 <
Li22 bolt hole
Li3, Li3 '
Li31, Li31 '
Li32 '
Li4 bent portion
B coupling bolt
N coupling nut
J3 I type connection
J3-f1, J3-f2, J3-f3 The first, second and third frames
I, I 'I type connection bracket
I1, I1 'First trimester
I2, I2 'Second trimester
I3, I3 '
I31 seat portion
I32 bolt hole
I4, I4 '
I41 and I411 'ends
I42 '
T33 'interference avoidance
I5 reinforcement beads
I6 notch
B coupling bolt
N coupling nut
J4 LI type connection
J4-f1, J4-f2, J4-f3, J4-f4 The first, second, third and fourth frames
Li, Li 'Inner L-shaped connection bracket
I, I 'I type connection bracket
Jc caster connection
C-f1, C-f2 First and second frames
Cb Casters connection bracket
Cb1 binding portion
Cb2 mounting portion
Cb21 bolt hole
Cb3
C castor
B coupling bolt
N coupling nut
2 frame body Second embodiment
JR rotary connection
JR-fp support frame
Ra 1st connection bracket
Ra1 trimester
Ra2 side adjustment
Ra3 fastening portion
Ra4 Hinge
Ra5 side skirt
Rb Second rotation connection bracket
Rb1 trimester
Rb2 First side adjustment
Rb3 second side adjustment portion
Rb4 fastening portion
JR-C Hin Area
JR-C1 bushing section
JR-C2 Hinge Shaft
B coupling bolt
N coupling nut
NC Hinge Nut
3 frame body Third embodiment
Jh Slope connection
F1, F2, Fh first and second frames, reinforcing frame
Ha 1st inclined connection bracket
Ha1 Article 1 pregnancy
Ha2 fastening portion
Ha3 manufacturing pregnancy
Hb 2nd inclined connection bracket
Hb1 trimester
Hb2 fastening portion
Hb3 binding portion

Claims (34)

A pallet for a pallet having a frame body assembled by connecting frames,
The frame has a square cross-section,
The frame, which is adjacent to the frame, has a connection portion connected to the connection bracket,
The end of the second frame is positioned close to one side of the first frame, and a pair of T-shaped connection brackets are pushed on the T-shaped gathered portions on both sides of the first frame to surround the first frame and the second frame. And a T-shaped connection portion in which one frame and the second frame are connected to each other,
Each of the T-type connection brackets includes a first throttle portion padded on one surface of the first frame at a portion where the first frame and the second frame are gathered, and a second throttle portion bent at one side end edge of the first throttle portion at a right angle A first lateral throttle portion which is padded to cover the other side of the first frame located on the side opposite to the one side of the first frame, which is located on the side where the ends of the second frame are gathered; A second thimble portion which is padded at one side of the second frame and which is folded at right angles at both side edges of the second throttle portion and is padded to cover both side surfaces of the second frame; And a fastening portion having a bolt hole for receiving the fastening bolt inserted therein,
A pair of T-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered, and a coupling nut is fastened to the coupling bolt inserted into the bolt hole, The first frame is tightened by the first throttle and the first side throttle and the second frame is tightened by the second throttle and the second side throttle,
And a notch for preventing stress concentration is formed at a corner where the edges of the second side surface throttle portion and the second throttle of the T-type connection bracket are gathered, or a corner where the edge of the second side surface throttle portion and the fastening portion are gathered. Loading pallet. delete The method of claim 1, wherein
Wherein a bolt hole is formed at the outer periphery of the bolt hole and a convexly protruding seating portion is formed at an inner side of the bolt hole so that the head of the bolt and the coupling nut are seated in the seating portion. The method according to claim 1,
Wherein the second side fastening portion extends to the fastening portion and has a distal end abutting one side surface of the first frame. The method of claim 1, wherein
Wherein a reinforcing bead is formed to be long between the first thimble portion of the T-shaped connection bracket and the fastening portion. delete The method according to claim 1,
The first side surface of the T-shaped connection bracket is provided with a mating protrusion and an engagement recess,
The pair of T-type connection brackets, which are overlapped with each other at the portion where the first frame and the second frame are opposed to each other, are formed such that the engaging projections of one T-type connection bracket are inserted into the engaging recesses of the other T- Type connecting brackets are inserted into the engaging concave portions of the T-shaped connecting brackets of the first and second T-type connecting brackets so that the first side-fastening portions are interlocked with each other. 8. The method of claim 7,
Wherein the horizontal engagement portion formed horizontally is engaged with the engaging projections and the engaging recesses which are engaged with each other so as not to be attracted to each other when a force is applied in the direction in which the first fastening portion is extended. 8. The method of claim 7,
Wherein the interference avoiding recessed portion for allowing the distal end of the occlusal protrusion to pass without interfering with the occlusal protrusion is inserted in the inner portion of the occlusal recess facing the occlusal protrusion in the process of being inserted into the occlusion recess. The method of claim 1, wherein
The second side fastening portion extends through the bolt hole of the fastening portion in the direction of the first throttle, and a supporting portion protruding downward from the extended portion is formed,
A pair of T-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered, and a pair of T-type connection brackets are coupled to each other by fastening a coupling nut to a coupling bolt inserted into the bolt hole And the support portion of one of the pair of T-type connection brackets opposed to each other by the engagement of the coupling bolt and the coupling nut abuts against the support portion of the other T-type connection bracket, And the second frame is tightened by the second throttle while the second throttle being positioned is rotated in the direction of tightening. A pallet for a pallet having a frame body assembled by connecting frames,
The frame has a square cross-section,
The frame, which is adjacent to the frame, has a connection portion connected to the connection bracket,
In the connecting portion, the distal end of the first frame and the distal end of the second frame are located close to each other, and the outer L-shaped connecting bracket is abutted on the L-shaped gathered portion from the outside, and the inner L- And an L-shaped connecting portion which surrounds the frame and a portion where the second frame is gathered to connect the first frame and the second frame in an L-shape,
The outer L-type connection bracket includes a pair of first throttles padded on the outer sides of the first frame and the second frame, a second throat bent and connected to each other at right angles, A fastening portion formed between the first and second fasteners and integrally connected to the first and second fasteners to form a bolt hole into which the fastening bolt is inserted; And a side fastening portion padded to cover both sides of the first frame and the second frame,
The inner L-type connection bracket includes a pair of tightening portions padded on inner sides of the first frame and the second frame, a bent portion bent at right angles, A fastening portion formed integrally with the female portion and the bent portion and formed with a bolt hole into which the fastening bolt is inserted, and a fastening portion bent at right angles at both side edges of each of the fastening portions so as to surround both side surfaces of the first frame and the second frame, And a fastening portion,
The outer L-type connection bracket and the inner L-type connection bracket are superposed to each other at a portion where the first frame and the second frame are gathered to fasten the coupling nut to the coupling bolt inserted in the bolt hole, And the inner L-shaped connection bracket are coupled to each other, the first frame and the second frame are connected to the first and second side surfaces of the outer L-type connection bracket and the side surface of the inner L- Tightened by,
The outer L-type connection bracket and the inner L-type connection bracket are each provided with a notch for preventing stress concentration at the corner where edges of the side surface tightening portion and the tightening portion are gathered or the edge of the side tightening portion and the fastening portion are gathered Wherein the pallet is formed of a metal. The method of claim 11, wherein
Each of the outer L-type connection bracket and the inner L-type connection bracket is provided with a seating portion formed around the bolt hole at the outer side of the coupling portion and protruding from the inner side of the coupling portion so as to protrude convexly, And the engaging nut is seated. 12. The method of claim 11,
The third frame is inserted into the through hole formed by the second throttle of the outer L-type connection bracket and the bent portion of the inner L-type connection bracket, and is inserted into the first frame and the second frame so as to cross at right angles,
Each of the outer side surfaces of the third frame is attached with a second tightening portion of the outer L-type connecting bracket, the inner edge of the third frame is brought into contact with the bent edge of the inner L-type connecting bracket, And the outer L-type connection bracket and the inner L-type connection bracket are coupled to each other so that the third frame is connected to the second throttle of the outer L-type connection bracket and the inner L-type connection bracket And is tightened by the edge of the bent portion. 12. The method of claim 11,
Wherein a reinforcing bead is formed to be long between the second throttle of the outer L-type connection bracket and the fastening portion. 12. The method of claim 11,
And the side tightening portions of the outer L-type connection bracket and the inner L-type connection bracket extend to the fastening portion. delete 14. The method of claim 13,
Wherein the side fastening portion of the inner L-type connection bracket has a tightly protruding portion formed at an end thereof to protrude so as to abut the inner surface of the third frame. 18. The method of claim 17,
And the tight fitting portion is formed to be bent in an inward direction at a portion connected to the side tightening portion. 12. The method of claim 11,
The outer L-shaped connection bracket and the inner L-shaped connection bracket each have a support portion extending downward through the bolt hole of the fastening portion and extending downward from the extended portion,
The outer L-type connection bracket and the inner L-type connection bracket are overlapped with each other at a portion where the first frame and the second frame are gathered to be coupled to each other by fastening a coupling nut to the coupling bolt inserted into the bolt hole, The support portions of the outer L-type connection brackets opposed to each other by the engagement of the coupling nut are in contact with the support portions of the inner L-type connection brackets, and the outer L-type connection brackets And the first frame and the second frame are engaged with the first thimble of the outer L-type connection bracket and the first L-shaped connection bracket of the inner L-type connection bracket And is tightened by a tightening part. A pallet for a pallet having a frame body assembled by connecting frames,
The frame has a square cross-section,
The frame, which is adjacent to the frame, has a connection portion connected to the connection bracket,
The end of the second frame is positioned at the end of the first frame and the I-shaped connection bracket is held on the I-shaped gathered portion at the end of the first frame to cover the first frame and the second frame, And an I-type connecting portion in which the frame and the second frame are connected to each other,
The I-type connecting bracket includes a pair of first throttle portions disposed at both side ends of the first frame and the second frame so as to be padded on the outer side surfaces thereof, a second throttle portion positioned at the center, A fastening portion which is located between the abdomen and the second throttle and integrally connected to the first throttle and the second throttle to form a bolt hole into which the fastening bolt is inserted; And a side fastening portion folded to be padded to cover both side surfaces of the first frame and the second frame,
And a pair of I-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered to fasten the coupling nut to the coupling bolt inserted into the bolt hole, so that the I- Each of the one frame and the second frame is tightened by the first thimble and the side throttle portion of the I-type connection bracket,
And a third frame inserted into the through hole formed by the second throttle of the pair of I-shaped connection brackets facing each other, so as to intersect at right angles with the first frame and the second frame,
And a second fastening portion of the I-type connection bracket is padded on the third frame to fasten the coupling nut to the fastening bolt inserted in the bolt hole, so that the pair of I-type connection brackets are coupled to each other, And is tightened by the second throttle of the connecting bracket. The method of claim 20, wherein
The I-type connection bracket has a seating portion formed around the bolt hole and recessed from the outer side of the coupling portion and protruding from the inner side of the coupling portion, and the head and the coupling nut of the coupling bolt are seated on the seating portion. Loading pallet. delete 21. The method of claim 20,
And a reinforcing bead is formed to extend long between the second throttle of the I-type connection bracket and the fastening portion. 21. The method of claim 20,
Wherein the side fastening portions of each of the I-shaped connection brackets extend to the fastening portion. 25. The method of claim 20 or 24,
Wherein the I-shaped connection bracket is formed with a notch for preventing stress concentration at a corner where edges of each of the side tightening portions and the first tightening portion are gathered or a corner where edges of the side tightening portion and the fastening portion are gathered Loading pallet. 21. The method of claim 20,
Wherein the side fastening portions of each of the I-shaped connection brackets extend to the fastening portion so that the ends of the side fastening portions thereof abut on the side surfaces of the third frame to support the side surfaces thereof. 21. The method of claim 20,
The I-shaped connection brackets each have a side support portion extending through the bolt hole of the coupling portion and a downwardly protruding support portion formed at the extended portion,
A pair of I-type connection brackets are overlapped with each other at a portion where the first frame and the second frame are gathered, and are coupled to each other by fastening a coupling nut to a coupling bolt inserted in the bolt hole, Shaped connecting brackets opposed to each other with respect to the bolt holes so that the first fastening portions of the I-shaped connecting brackets located on the opposite side of the supporting portions that are in contact with each other with respect to the bolt holes are tightened together And the first frame and the second frame are tightened by the first throttle of the I-type connection bracket while being rotated. A pallet for a pallet having a frame body assembled by connecting frames,
The frame has a square cross-section,
The frame, which is adjacent to the frame, has a connection portion connected to the connection bracket,
Wherein the first frame and the second frame are arranged in an I-shape and the third frame is arranged in an L-shape with the first frame and the second frame, respectively, so that the ends of the first frame, the ends of the second frame, And an LI connection portion to which a close-coupled portion of the three frames is connected,
The LI connection part is configured such that one inner L-type connection bracket is held in the L-shaped portion of the first frame and the third frame, and the first frame and the third frame are wrapped around the first frame and the third frame, And the other inner L-shaped connection bracket is held at the inside of the L-shaped gathered portion of the second frame and the third frame to wrap the gathered portion of the second frame and the third frame, And one I-type connection bracket is engaged with the outer side of the I-shaped portion of the first frame and the second frame to form a portion where the first frame and the second frame are gathered Tightening the ends of the first frame and the second frame,
The inner L-type connection bracket includes a pair of tightening portions padded on the inner side surfaces of the first frame and the third frame or the inner side surfaces of the first frame and the third frame, respectively, A fastening portion which is located between the tightening portion and the bent portion and is integrally connected to the fastening portion and the bent portion and has a bolt hole into which the fastening bolt is inserted; And a side fastening portion padded on both side surfaces of the frame and the third frame or both side surfaces of the second frame and the third frame,
The I-type connecting bracket includes a pair of first throttle portions disposed at both side ends of the first frame and the second frame so as to be padded on the outer side surfaces thereof, a second throttle portion positioned at the center, A fastening portion which is located between the abdomen and the second throttle and integrally connected to the first throttle and the second throttle to form a bolt hole into which the fastening bolt is inserted; And a side fastening portion folded to be padded to cover both side surfaces of the first frame and the second frame,
One inner L-type connecting bracket is abutted at the inner side of the L-shaped portion of the first frame and the third frame at the portion where the first frame, the second frame and the third frame are gathered, and the other inner L- The connecting brackets are in contact with each other inside the L-shaped gathered portions of the second frame and the third frame, and one I-type connecting bracket is abutted on the outside of the I-shaped gathered portions of the first frame and the second frame, A pair of inner L-type connecting brackets opposed to each other with the third frame interposed therebetween are coupled to the coupling bolts inserted into the bolt holes and the coupling nuts are fastened to the coupling bolts inserted into the bolt holes, One L-shaped connecting bracket and an I-shaped connecting bracket opposed to each other with the first frame interposed therebetween, and a coupling nut inserted into the bolt hole, The other ends of the first frame, the second frame, and the third frame are connected to the tightening portion and the side tightening portion of the inner L-type connection bracket, And the second bracket is tightened by the first thimble and the side throttle portion of the I-type connection bracket. 29. The method of claim 28,
The fourth frame is inserted into the through hole formed by the bending portion of the inner L-type connection bracket and the second throttle portion of the I-type connection bracket so as to intersect at right angles with the first frame, the second frame, However,
The inner edge of the fourth frame is brought into contact with the edge of the bent portion of the inner L-shaped connection bracket and the second fastening portion of the I-shaped connection bracket is pushed into the fourth frame to fasten the coupling bolt to the coupling bolt inserted into the bolt hole And a pair of inner L-type connection brackets and one I-type connection bracket are coupled to each other so that the fourth frame is tightened by the bent edges of the inner L-type connection brackets and the second constrictions of the I- Wherein the pallet is a pallet. 29. The method of claim 28,
The inner L-type connection bracket has a side fastening portion extending through the bolt hole of the fastening portion, a support portion projecting downward from the extended portion is formed,
The I-shaped connection brackets each have a side support portion extending through the bolt hole of the coupling portion and a downwardly protruding support portion formed at the extended portion,
A pair of inner L-type connecting brackets and one I-type connecting bracket are superimposed at the portion where the first frame, the second frame and the third frame are gathered to fasten the coupling nut to the coupling bolt inserted in the bolt hole, However,
The support portions of the pair of inner L-shaped connection brackets which are opposed to each other by the engagement of the coupling bolt and the coupling nut are brought into contact with each other so that the inner L-type connection bracket positioned on the opposite side of the bolt- The third frame is tightened by the tightening portions of the pair of inner L-type connection brackets while the tightening portions are rotated in the direction of tightening each other,
The support portions of the inner L-shaped connection bracket and the support portions of the I-shaped connection bracket opposed to each other by the engagement of the coupling bolt and the coupling nut are brought into contact with each other so that the inner L Shaped connecting bracket and the first fastening portion of the I-shaped connecting bracket are rotated in a direction in which the first fastening portions are tightened together, so that the first frame and the second frame are engaged with the fastening portions of the inner L- Wherein the pallet is tightened by a bolt. The method according to claim 1,
And a caster connection portion to which the caster connection bracket is coupled at both ends of the caster connection bracket to the first and second frames arranged in parallel at the lower portion of the frame body and to which the caster is attached,
Wherein the caster connection bracket is formed to have a coupling portion located at both end portions thereof and a mounting portion located between the coupling portions and integrally connected to the coupling portions on both sides,
Wherein the caster connection bracket is disposed such that the mounting portion is located in a gap between the first and second frames so that each of the coupling portions is coupled to an upper surface of each of the first and second frames,
And is mounted to a mounting portion of the caster connection bracket. 32. The method of claim 31,
The edge of the mounting portion is bent downward at both side edges thereof to form a latching portion,
Wherein the caster connection bracket has the engaging portion entering a gap between the first frame and the second frame so that both ends of the engaging portion are brought into close contact with the inner surfaces of the first and second frames. delete delete

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