JP7489274B2 - Assembled gate - Google Patents

Description

The present invention relates to a prefabricated gate, and in particular to a prefabricated gate that reduces the welding of components.

Conventionally, a prefabricated gate includes a gate having a metal frame and a net fence, and posts to which the gate is attached so that it can be opened and closed. Various types of prefabricated gates are known, for example, the prefabricated gate described in Patent Document 1.

With this type of prefabricated gate, the gate body can be used in either the front, back, or up and down direction, and a pull-out support bracket or drop bracket can be attached to the required side, so it can be used regardless of the opening direction or how it is opened. This allows for mass production, reducing costs, and the posts and gate body can be assembled in a factory before being shipped.

Japanese Utility Model Application Publication No. 60-68196

However, conventional prefabricated gates are manufactured by cutting the ends of metal horizontal and vertical frames at an angle, welding the cut sections together to form the frame, and then welding the brace mounting sections at an angle to attach the braces. This requires a lot of work and dimensional precision, making them difficult to manufacture.

The present invention was developed in consideration of the above problems, and aims to provide a prefabricated gate that can be assembled more easily.

The prefabricated gate of the present invention comprises a frame body consisting of a pair of horizontal frames and a pair of vertical frames, corner members attached to the four corners of the frame body, a central plate connecting the vertical frames to each other, and brace members arranged diagonally on the frame body and connecting the corner members to each other, wherein the corner members have a base extending parallel to the front of the frame body, a pair of frame mounting portions erected from the base and extending approximately parallel to the horizontal frames and vertical frames, and a brace mounting portion extending approximately parallel to the base from an end of one of the frame mounting portions in the erecting direction, the frame mounting portions have screw portions for fastening the horizontal frames or the vertical frames with fastening members, the end of the frame mounting portion in the erecting direction is formed at an open end, and the brace mounting portion is formed discontinuously from the other frame mounting portion .

In addition, in the assembled gate of the present invention, it is preferable that the screw-attaching portion has a burring portion that is burred into the frame mounting portion.

In addition, in the prefabricated gate of the present invention, it is preferable that the base of the corner member is formed in the shape of an approximately right-angled isosceles triangle, and the frame mounting portions are each erected from the short sides of the approximately right-angled isosceles triangle.

In addition, in the assembled gate of the present invention, it is preferable that the fastening members are screwed from the inside to the outside of the frame body.

In addition, in the prefabricated gate of the present invention, it is preferable that the brace mounting portion is formed in a position adjacent to the pair of frame mounting portions.

In addition, in the prefabricated gate of the present invention, it is preferable that the brace mounting portion extends from one end of the frame mounting portion.

The above summary of the invention does not list all of the necessary features of the present invention, and subcombinations of these features may also constitute inventions.

In the prefabricated gate of the present invention, the corner members attached to the four corners of the frame have a base extending parallel to the front of the frame, a pair of frame mounting parts standing from the base and extending approximately parallel to the horizontal and vertical frames, and a brace mounting part extending approximately parallel to the base from at least one of the frame mounting parts, and the frame mounting parts have screw parts that fasten the horizontal or vertical frames with fastening members, so that the horizontal frames, vertical frames and brace members can each be assembled with fastening means such as bolts. This makes it possible to easily assemble the prefabricated gate.

FIG. 2 is a front view of the prefabricated gate according to the embodiment of the present invention. FIG. 2 is a front view of a gate constituting a prefabricated gate according to an embodiment of the present invention. FIG. 3 is an enlarged view of part A in FIG. 2 . FIG. 2 is a perspective view showing a corner member of the prefabricated gate according to the embodiment of the present invention. FIG. 4 is an exploded view of a corner member of the prefabricated gate according to an embodiment of the present invention.

Below, preferred embodiments for carrying out the present invention will be described with reference to the drawings. Note that the following embodiments do not limit the inventions according to the claims, and not all of the combinations of features described in the embodiments are necessarily essential to the solution of the invention.

Figure 1 is a front view of a prefabricated gate according to an embodiment of the present invention, Figure 2 is a front view of a gate constituting a prefabricated gate according to an embodiment of the present invention, Figure 3 is an enlarged view of part A in Figure 2, Figure 4 is a perspective view showing a corner member of the prefabricated gate according to this embodiment of the present invention, and Figure 5 is an exploded view of the corner member of the prefabricated gate according to an embodiment of the present invention.

As shown in FIG. 1, the prefabricated gate 10 according to this embodiment has posts 11 fixed to a foundation 1 cast into the ground G, which are arranged at a predetermined interval, and a pair of gates 20 attached between the posts 11 so as to be able to be opened and closed freely.

The gate 20 is attached so that it can be opened and closed freely via hinges 13 attached along the axial direction of the support pillars 11, and is supported by a suspension brace 12 that spans from above the support pillars 11. The suspension brace 12 is attached to the support pillars 11 via the hinges 13 so that it can swing in response to the opening and closing of the gate 20, so it does not interfere with the opening and closing of the gate 20.

The gate 20 is also fitted with a drop bar 14 that can be inserted into a hole 15 formed in the ground G and can be moved vertically. By inserting the drop bar 14 into the hole 15, the gate 20 can be prevented from opening or closing and the gate 20 can be fixed in a closed state.

The pair of gates 20 also includes a latch 24 attached to one of the gates 20 (the left gate 20 in FIG. 1) so that it can move horizontally. By inserting the latch 24 into the latch support portion 25 of the other gate, the pair of gates 20 can be prevented from opening and closing relative to each other, and the gates 20 can be fixed in a closed state.

As shown in FIG. 2, the gate 20 has a frame body consisting of a pair of horizontal frames 21, 21 and a pair of vertical frames 22, 22, each made of an angle material with an L-shaped cross section, corner members 30 attached to the four corners of the frame body so as to connect the adjacent horizontal frames 21 and vertical frames 22, a center plate 23 arranged approximately parallel to the ground so as to connect the vertical frames 22, 22, and a brace member 28 arranged on a diagonal line of the frame body and connecting the corner members 30. The brace member 28 is preferably made of a rod material or the like, and ensures the rigidity of the gate 20. In addition, a net 27 is attached to the front of the frame body. For the net 27, a metal wire mesh or the like is preferably used in consideration of wind resistance and durability, but a flat plate such as a punched metal formed with a plurality of predetermined through holes may also be attached.

The upper horizontal frame 21 is formed with a suspension brace mounting section 26 for mounting the suspension brace 12, which is attached to the support column 11 so that it can swing freely. The suspension brace mounting section 26 is attached to the horizontal frame 21 using various integration methods such as welding or fastening.

The central plate 23 is a flat metal member made of steel plate or the like, and is connected to a pair of vertical frames 22, 22. The vertical frames 22 and the central plate 23 are preferably connected by conventional fastening means such as bolts and nuts. The central plate 23 also has a bar 24 that is attached so as to be movable in the horizontal direction, and a bar support part 25 that supports the bar 24. The bar 24 is attached to one of the pair of left and right gates 20, and the other gate 20 is formed with only the bar support part 25, so that the bar 24 that has moved to protrude from one gate 20 can be supported by the bar support part 25 of the other gate 20.

Of the pair of vertical frames 22, 22, the vertical frame 22 on the support 11 side is fitted with a hinge 13 that allows the gate 20 to be attached to the support 11 so that it can be opened and closed freely, and the vertical frame 22 on the gate 20 side is fitted with a drop bar 14 that can be moved freely in the vertical direction.

Next, the corner member 30 of the prefabricated gate 10 according to this embodiment will be described with reference to Figures 3 to 5. As shown in Figure 3, the corner member 30 of the prefabricated gate 10 according to this embodiment is a member that can connect adjacent horizontal frames 21 and vertical frames 22 to each other and to which a brace member 28 can be attached, and is a member formed in the shape of a roughly right-angled isosceles triangle.

As shown in FIG. 4, the corner member 30 of the prefabricated gate 10 according to this embodiment is formed in the shape of a roughly right-angled isosceles triangle and includes a base 31 extending parallel to the front of the frame body, a pair of frame mounting parts 32 erected from the edge of the base 31 and extending approximately parallel to the horizontal frame 21 and vertical frame 22, and a brace mounting part 33 extending from one of the frame mounting parts 32 approximately parallel to the base 31.

The frame attachment portion 32 is preferably formed by bending or pressing the edge of the short side of the base portion 31, and has a screw-attaching portion 34. The screw-attaching portion 34 is a through hole with a threaded groove formed on the inner wall surface so that a bolt 35 serving as a fastening member can be screwed in. The threaded groove is preferably formed by, for example, burring.

The brace mounting portion 33 is formed with a brace mounting hole 40 for mounting the brace member 28. The brace mounting portion 33 is preferably formed in a position adjacent to the pair of frame mounting portions 32 (near the apex of the right angle of the right-angled isosceles triangle).

The corner members 30 of the assembled gate 10 according to this embodiment are fastened to the vertical frame 22 or horizontal frame 21 by bolts 35 at the screw-fastening portions 34 formed on the frame mounting portions 32, so that the frame can be assembled by fastening the bolts. This eliminates the need for assembly work by welding, which requires dimensional accuracy as was previously required, and allows the gate 20 to be manufactured easily.

When assembling the corner member 30 and the vertical frame 22, it is preferable to insert the bolt 35 from the inside to the outside through the bolt insertion hole 22a formed in the vertical frame 22 and screw it into the screwed portion 34 of the frame mounting portion 32. In this way, by forming the screwed portion 34 in the frame mounting portion 32 and fastening the bolt 35 from the inside of the vertical frame 22, it is possible to prevent the bolt from protruding outside the vertical frame 22 and prevent interference between the support 11 and the bolt 35. The vertical frame 22 and the horizontal frame 21 have bolt insertion holes 22a formed at positions corresponding to the screwed portions 34, and net mounting holes 22b formed at positions corresponding to the net mounting portions 38.

The corner members 30 and the horizontal frame 21 can be assembled by fitting the bolts 35 from the inside to the outside of the frame, as with the vertical frame 22, or the bolts 35 can be inserted into the threaded portions 34 from the outside of the corner members 30 and the horizontal frame 21 can be fastened with nuts. By fastening the horizontal frame 21 from the outside of the corner members 30 with the bolts 35 and nuts, the horizontal frame 21 faces upward, and the heads of the bolts 35 can prevent rainwater from entering the threaded portions 34, which can cause rust.

As shown in FIG. 4, the base 31 is formed with a net attachment portion 38, and the net 27 can be easily attached to the frame by fastening the net 27 to the base 31 with a mounting bracket (not shown).

In the assembled gate 10 according to the present embodiment described above, the corner members 30 are formed in the shape of an approximately right-angled isosceles triangle, and the vertical frame 22 or horizontal frame 21 and the brace member 28 can be attached to the frame attachment portion 32 corresponding to either the vertical frame 22 or the horizontal frame 21 by fastening means. This means that the same corner members 30 can be used for all four corners of the frame body, which reduces the welding work and number of parts required for corners that require dimensional accuracy, and reduces assembly labor.

In the above embodiment, the screw-attaching portion 34 is formed by performing burring on the frame mounting portion 32. However, for example, a nut may be welded to the inside of the frame mounting portion 32, and the bolt insertion hole 22a of the vertical frame 22 may be formed with a larger diameter than the nut, and the corner member 30 may be attached to the vertical frame 22 or horizontal frame 21 by a bolt 35. It is clear from the claims that such modified or improved forms are also included in the technical scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Foundation, 10 Prefabricated gate, 11 Support, 12 Suspension brace, 13 Hinge, 14 Drop bar, 15 Hole, 20 Gate, 21 Horizontal frame, 22 Vertical frame, 23 Center plate, 24 Hook, 25 Hook support portion, 26 Suspension brace mounting portion, 27 Net, 28 Brace member, Corner member, 31 Base, 32 Frame mounting portion, 33 Brace mounting portion, 34 Screw portion, 35 Fastening member, 38 Net mounting portion, 40 Brace mounting hole, G Ground.

Claims (6)

A frame body consisting of a pair of horizontal frames and a pair of vertical frames;
Corner members attached to the four corners of the frame body;
A center plate that connects the vertical frames together;
A prefabricated gate door including a brace member arranged diagonally on the frame body and connecting the corner members to each other,
The corner member has a base extending parallel to the front surface of the frame body, a pair of frame mounting portions erected from the base and extending substantially parallel to the horizontal frame and the vertical frame, and a brace mounting portion extending substantially parallel to the base from a tip of one of the frame mounting portions in the erecting direction ,
The frame mounting portion has a screw portion for fastening the horizontal frame or the vertical frame with a fastening member , and a leading end of the frame mounting portion in the vertical direction is formed as an open end,
A prefabricated gate characterized in that the brace mounting portion is formed discontinuously from the other frame mounting portion . In the prefabricated gate according to claim 1,
This is an assembly type gate, characterized in that the screw-attaching portion has a burring portion that has been burred into the frame mounting portion. In the prefabricated gate according to claim 1 or 2,
This is an assembled gate characterized in that the corner member has a base formed in the shape of an approximately right-angled isosceles triangle, and the frame mounting portions are each erected from the short sides of the approximately right-angled isosceles triangle. In the prefabricated gate according to any one of claims 1 to 3,
A prefabricated gate, characterized in that the fastening members are screwed from the inside to the outside of the frame body. In the prefabricated gate according to any one of claims 1 to 4,
A prefabricated gate, characterized in that the brace mounting portion is formed in a position adjacent to the pair of frame mounting portions. In the prefabricated gate according to any one of claims 1 to 5,
A prefabricated gate, characterized in that the brace mounting portion extends from one end of the frame mounting portion.

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