JP4604876B2 - Cast iron - Google Patents

Description

  The present invention relates to a cast ironing material used as a structural material such as a fence or a functional pole, and more particularly to a cast ironing material suitable for making a fence in DIY.

  As a conventional fence, there is one in which parts such as a column and a cross are formed of an aluminum casting or an extruded shape member. Such a fence is sold as a set of all parts, and the shape and arrangement of the crosspieces cannot be changed by the customer, and a large number of screw insertion holes are used to install the members on the columns for construction. It was not something that consumers could do by themselves because it had to be opened.

In Patent Document 1, in a cast pillar, a pillar is divided into a front member and a back member, and both members are assembled so that a mounting groove with a narrow entrance and a wide back is formed around the pillar. Is described. When a part is attached to the mounting groove of such a pillar, it takes more time to attach the part to the screw insertion hole formed in the pillar, and the number of parts is increased. In addition, as a method of forming a screw insertion hole in a cast column, a method of forming it later using a machine tool such as a drilling machine or a drill, and a method of forming a core by casting a core and finishing the screw insertion hole by deburring There is a method, but in any case, it takes a lot of time and labor to form a large number of screw insertion holes, and the cost increases.
JP-A-9-256546

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a cast ironing material suitable for making a fence or the like at a DIY carpenter at a low cost.

  In order to achieve the above object, a cast iron material according to the first aspect of the present invention includes a port component and a starboard component, and the port component includes a front beam, a rear beam, and both A plurality of openings are formed in the vertical direction with a plurality of installation bars installed between the crosses, and a notch-shaped empty portion is formed on the right side of each of the front and rear bridges and the installation bars for each opening. A cast member formed, and the starboard component is formed by forming a plurality of openings in the vertical direction with a plurality of mounting bars installed between the front and rear bars, and the both side bars. This is a cast-made member with a notch-shaped hollow formed on the left side of each of the front pier, rear pier, and installation pier, and the right side of the port component and the left side of the starboard component are joined In addition, a screw insertion hole is formed by a combination of each notch-shaped empty part of the port side component and each notch-shaped empty part of the starboard component. And butterflies.

  In addition to the structure of the invention described in claim 1, the cast iron material according to the invention described in claim 2 is characterized in that a plurality of screw insertion holes are formed in the longitudinal direction of each cross forming the opening.

  The cast iron material according to the invention of claim 3 is characterized in that, in addition to the structure of the invention of claim 1, the port component and starboard component are members of the same shape.

  According to a first aspect of the present invention, there is provided a cast iron material comprising a plurality of openings in the vertical direction formed by a front pier, a rear pier, and a plurality of erection bars installed between both berths. Since the screw insertion holes are formed in each crosspiece around the opening, a commercially available wood, etc. is placed in the opening in any vertical, horizontal, and slant free way. And can be used very conveniently as a support column when making a fence etc. Further, the cast iron material of the present invention is formed by joining the port component and the starboard component material, and is formed on the left side surface of the starboard component material and the notch-shaped empty portion formed on the right side surface of the port component material. Since the screw insertion hole is formed by combining with the cut-out hollow portion, it is not necessary to form the screw insertion hole with a drill or the like, and it is not necessary to use a core when casting, so it is provided at low cost it can.

  Further, in the cast iron material according to the second aspect of the present invention, since a plurality of screw insertion holes are formed in the longitudinal direction of each cross forming the opening, the degree of freedom of the arrangement of the members in the opening is increased. It will become more convenient.

  Further, in the cast iron material according to the third aspect of the invention, since the port component and the starboard component are members of the same shape, both the port component and the starboard component can be manufactured with one mold. Therefore, the manufacturing cost can be further reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1-5 has shown one Embodiment of the cast iron-making material 1 of this invention. As shown in FIG. 5 (b), this cast iron material 1 is provided with a front eaves frame 4 and a rear eaves frame 5 in parallel, and a plurality of them are provided with a certain interval in the vertical direction between both eaves frames 4 and 5. A plurality of openings 7 are formed in the up-down direction by laying the erection bar 6. In the lower part of the cast ironing material 1, the front eaves bar 4 and the rear eaves bar 5 protrude downward to form an underground buried portion 22.

As shown in FIG. 4, the cast iron-making material 1 is formed by combining two aluminum casting-made members, that is, a left side component 2 and a right side component 3. The port-side component 2 forms a plurality of openings 7a in the vertical direction by the front pier 4a, the rear pier 5a, and a plurality of installation bars 6a provided between the two ridges, and for each opening 7a. A notch-shaped empty portion 8a is formed on the right side of each of the front pier 4a, the rear pier 5a, and the installation bar 6a. The starboard component 3 also has a plurality of openings 7b in the vertical direction by the front beam 4b, the rear beam 5b, and a plurality of installation beams 6b installed between both beam beams, as with the port component 2. At the same time, a notch-shaped empty portion 8b is formed on the left side of each of the front pier 4b, the rear pier 5b, and the installation bar 6b for each opening 7b. The openings 7a and 7b of the port side component 2 and the starboard component 3 are squares each having a vertical and horizontal dimension of 90 mm. Moreover, the notch-shaped empty portions 8a and 8b have a waveform shape in which both end portions and the center portion in the longitudinal direction of the crosspiece are widened in an arc shape. The notched cavities 8a and 8b are not formed by cutting the crosspieces by machining after casting, but are formed at the same time as casting by forming protrusions corresponding to the notched cavities in the mold. It is.
The starboard component 2 and starboard component 3 are members of the same shape molded with the same mold, and the starboard component 2 becomes the starboard component 3 when the port component 2 is rotated by 180 ° around the vertical axis. It is.

  The cast iron material 1 joins the right side surface of the port side component 2 and the left side surface of the right side component material 3, and has several corner portions (locations indicated by arrows a in FIG. 5) of the openings 7 a and 7 b. ) Are integrated by spot welding. By joining the port component 2 and the starboard component 3 in this manner, the notch-shaped empty portion 8a formed on the right side surface of the port component 2 and the cut formed on the left side surface of the starboard component 3 are obtained. As shown in FIGS. 1A and 1B, screw insertion holes 9 are formed in the front beam 4, the rear beam 5 and the installation beam 6 around each opening 7, as shown in FIGS. Each is formed. Three screw insertion holes 9 are formed in each of the crosspieces 4, 5, 6 in a dispersed manner in the longitudinal direction of the crosspieces. As shown in FIG. 2, a groove 10 is formed in the longitudinal direction of the front side of the front crosspiece 4 and the rear side of the rear crosspiece 5 along the center in the crosswise direction of the crosspiece. As shown in FIG. 3, grooves 11 are also formed on the upper and lower surfaces along the center of the width direction of the crosspieces in the longitudinal direction of the crosspieces. The heads of the screws inserted through the screw insertion holes 9 are formed in these grooves. 10 and 11.

  This cast ironing material 1 is sold at a home center or the like as a material for making a fence or the like in Sunday carpentry. FIG. 6 shows an embodiment of a fence 16 using this cast ironing material 1. This fence 16 embeds the underground embedding portion 22 in the foundation concrete 12 embedded in the ground, and stands up and fixes the two cast ironing materials 1, 1 at intervals, so that the left and right casting ironing materials 1, 1 A plurality of horizontal rails 13 are installed in the opening 7. The horizontal rail 13 is made by cutting 2 × 4 wood (cross-sectional dimension 38 × 89 mm) marketed at a home center or the like into a predetermined length, and both ends of the horizontal rail 13 are as shown in FIG. It is placed in the opening 7 of the cast iron material 1 so as to be vertically oriented in cross section, and fixed with screws 14 inserted from above into the screw insertion holes 9 of the installation bar 6. The crosspiece 13 may be made of other sizes of commercially available wood such as 1 × 4 wood (cross-sectional dimension 19 × 89 mm) or 4 × 4 wood (cross-sectional dimension 89 × 89 mm). Further, the horizontal rail 13 can be painted and colored in a favorite color, and can be replaced when it becomes old or damaged.

  FIG. 8 shows another embodiment of the fence 16. Here, both ends of a horizontal beam 13 made of 2 × 4 wood are arranged in the opening 7 in a cross-sectional direction, and the front beam 4 and the rear beam are arranged. The horizontal beam 13 is fixed by a screw 14 inserted into the screw insertion hole 9 of the beam 5. The horizontal rails 13 are alternately arranged in the horizontal direction and in the case where the horizontal rails 13 are installed in a stepwise manner in the openings 7 having different heights in the left and right cast ironing materials 1. is there. It is also possible to attach the horizontal beam 13 obliquely by disposing both ends of the horizontal beam 13 in the opening 7 having the same height and changing only the screw insertion hole 9 to be used up and down.

  FIG. 9 is also an embodiment of the fence 16 and shows an example in which the fence 16 is constructed in a bent state when viewed from above. The four cast ironing materials 1 are installed at the position where the fence is bent while changing the direction of the side surface, and the horizontal rail 13 is located at the opening 7 of the two casting ironing materials 1 adjacent to each other. It is placed in a vertical cross section and fixed with screws 14 from above, and the longitudinal direction of the crosspiece 13 is inclined obliquely with respect to the side surface of the cast iron material 1. Further, the horizontal rail 13 is arranged with a gap 15 corresponding to one opening 7 in the vertical direction, and the gap 15 and the horizontal rail 13 are alternately positioned in the horizontal direction.

  As described above, the casting casting material 1 has a plurality of openings 7 in the up-down direction, and is provided on each of the front beam 4, the rear beam 5, and the installation beam 6 around each opening 7. A screw insertion hole 9 is formed in advance, and commercially available wood having various cross-sectional shapes is appropriately selected as the cross rail 13, and is arranged in a freely vertical, horizontal, and diagonal manner in the opening, and can be easily set with the screw 14. Since it can be fixed, the use of the cast casting material 1 makes it easy for a DIY carpenter to make a fence with a favorite design. In addition, you can install a fence at low cost by purchasing cast iron and wood from a home center and making your own fence.

  FIG. 10 shows another example of use of the main casting 1 and shows a functional pole 17 installed in front of a house entrance. The function pole 17 is configured to fix the two cast iron materials 1 and 1 upright from the ground with a space in the left-right direction, and between the left and right cast iron materials 1 and 1, a lighting device 18 and a sign plate 19 A post 20 is attached. The lighting device 18, the sign plate 19, and the post 20 are inserted by a screw 14 inserted into a screw insertion hole 9 of the front bar 4 by inserting a mounting piece 21 protruding in a lateral direction into the opening 7 of the casting bar material. Each attachment piece 21 is fixedly attached.

  The present invention is not limited to the embodiment described above, and the shape, material, and the like of the cast iron material may be appropriately changed. The use of the cast iron material of the present invention is not limited to fences and functional poles, and may be used for any purpose. For example, a shelf is made by laying a plate at the opening of two cast iron materials. You can also.

(A) is the front view which expands and shows the upper part of a casting-made metal material, (b) is the same top view, (c) is the same side view. It is AA sectional drawing in FIG. It is BB sectional drawing in FIG. It is a disassembled perspective view of a casting iron material. (A) is a front view of a cast iron material, (b) is the side view. It is a front view of the fence which uses the cast ironing material of this invention. It is a side view which expands and shows the upper part of the fence shown in FIG. It is a perspective view which shows the other example of the fence using the cast ironing material of this invention. It is a perspective view which shows the other example of the fence using the cast ironing material of this invention. It is a front view of the functional pole using the cast iron material of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cast iron material 2 Left side component material 3 Right side component material 4, 4a, 4b Front side beam 5, 5a, 5b Rear side beam 6, 6a, 6b Construction beam 7, 7a, 7b Opening part 8a, 8b Notch Empty space 9 Screw insertion hole

Claims (3)

  A port component and a starboard component are provided, and the port component forms a plurality of openings in the vertical direction by a front pier, a rear pier, and a plurality of installation piers installed between the two piers. And a cast member in which a notch-shaped hollow portion is formed on the right side of each of the front pier, the rear pier and the installation pier for each opening, and the starboard components are the front pier and the rear pier. And a plurality of installation bars installed between the two side bars, and a plurality of openings are formed in the vertical direction, and the left side surface of each of the front side, rear side, and installation bars is notched for each opening. It is a cast member formed with an empty portion, and the right side surface of the port component and the left side surface of the starboard component are joined, and each notched empty portion and starboard component of the port component A cast iron material characterized in that a screw insertion hole is formed by a combination with each of the notch-shaped empty portions.   2. The cast ironing material according to claim 1, wherein a plurality of screw insertion holes are formed in a longitudinal direction of each bar forming the opening. 3. A cast iron-making material according to claim 1 or 2, wherein the left-hand material and the starboard material are members of the same shape.

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