JP2603785B2 - Fake wood fence - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pseudo-wood fence that is installed in a park, a plaza, a promenade, a plant, and the like, and is composed of a plurality of columns and crossbars installed between the columns.

[0002]

2. Description of the Related Art Conventionally, artificial trees have been used for fences installed in parks, open spaces, promenades, plants, and the like in place of wood from the viewpoint of saving timber resources and improving durability. As a structure of this artificial wood, a pipe, a rod, a plate, etc. made of a rigid material such as a metal is used as a core material, and a thick outer layer made of a material such as concrete or synthetic resin is formed around the core material, and the outer layer of the outer layer is formed. The surface is generally subjected to artificial wood processing that resembles the grain and bark of a natural tree.

[0003] In the case of assembling a fence using such a pseudo-wood as a material, various developments have conventionally been made as a connection structure between the intermediate support and the left and right crossbars or the end support and the crossbar. For example, in Japanese Utility Model Laid-Open No. 2-1370, as shown in FIG. 7A, cut-out recesses b, b are provided on both upper sides of the intermediate support a, and the intermediate support a is penetrated between the cut-out recesses b, b. The end portions of the left and right crosspieces e, e having the tubular core material d are inserted into the cutout recesses b, b, and the connecting material f formed of a rod is inserted into the connecting material insertion hole c. c, and both ends of the connecting member f are inserted into the core member d of the crosspiece e, and a nut h is fixed to an opening g provided in a body circumferential surface near an end of the crosspiece e. The bolt i is screwed into the bolt h, and the connecting member f is pushed up at the tip of the bolt i, and the crosspiece e is fixed to the connecting member f, thereby fixing the intermediate column a and the left and right crosspieces e, e. The method is shown.

In Japanese Patent Application Laid-Open No. 1-278667, as shown in FIG. 7 (b), a connecting member j made of a tubular body is used, and a nut k is fixed to the inner wall surface of the tubular core member j. Also disclosed is a method of inserting a bolt i through an opening g provided in the end body peripheral surface of the crosspiece e and screwing and tightening the nut k to fix it.

[0005] Further, when assembling the end support and the crosspiece, a nut is previously inserted into the end of the tubular core material, not shown, inserted into the cutout recess of the end support, and the shaft center is set to the center. The bolt is inserted into the bolt insertion hole penetrating the end post from the opposite side of the end post, and the end post and the crossbar are tightened by screwing and tightening the bolt and nut. Is also described in the Japanese Utility Model Laid-Open No. 2-1370.

[0006]

However, in these prior arts, there is no particular problem because the connection of the left and right crosspieces by the connecting members in the axial direction has a substantially reliable connection structure. With regard to the connection with the struts or end struts, very little consideration is given to the fixing of the crossbars in the circumferential direction.

[0007] Therefore, if the pseudo-wood material such as a pillar or a crossbar is distorted or contracted or an unexpected external force is applied with the passage of time after construction, a displacement occurs at the joint, and as a result, the crossbar rotates around its axis. In the case of the end post, if the screw is rotated in one direction, the screw may come off and come off from the post. In particular, in the case of a pseudo-wood fence constructed in an amusement park or the like, it is extremely dangerous because a child may straddle or ride on the crossbar.

[0008] On the other hand, in the case of the above-mentioned prior art, it is necessary to provide an opening in an end body peripheral surface of a crosspiece or a connecting member, or to perform a pre-process of fixing a nut by welding. In order to assemble the end part of the work, if a short one is needed as the last rung, it will be necessary to cut the runge, drill holes, and repeat the welding work of the nuts, which is time-consuming. There were also problems.

The present invention solves the above-mentioned drawbacks of the prior art, and in the connection structure between the support and the crosspiece, particularly, the fixation of the crosspiece in the circumferential direction is ensured, and a slight distortion or displacement occurs with the passage of time. Another object of the present invention is to provide a safe pseudo-wood fence in which the crossbar does not rotate or come off from the support, and to provide a pseudo-wood fence that is easy to construct.

[0010]

Means for Solving the Problems The invention according to claim 1 is:
"A notch concave portion is provided on both sides of the column, a connecting member insertion hole penetrating the column is provided between the notch concave portions, and an end portion of the crosspiece having a tubular core is inserted into the notch concave portion, and the connecting member is A connecting material is inserted into the insertion hole, and by the connecting material,
In a wooden fence in which a crosspiece is fixed to a support, a washer with locking claws on both sides of a plate is interposed between the bottom surface of one notch recess and the end face of the crosspiece. A nut is fixed in the end core material of the above, and a connecting member made of a bolt is inserted from the connecting material insertion hole of the other cut-out recess, and screwed and tightened into the nut.
Is the gist.

According to a second aspect of the present invention, there is provided the present invention, wherein a notch recess is provided on one side of the support, and a connecting member insertion hole penetrating the support is provided between the bottom of the notch recess and the other side of the support. A pseudo-wood fence in which an end of a crosspiece having a tubular core material is inserted into the cutout recess, and a connection material is inserted from the other entrance of the connection material insertion hole, and the crosspiece is fixed to the column by the connection material. In between the bottom of the notch recess and the end face of the crosspiece, a washer with locking claws erected on both sides of the plate is interposed, a nut is fixed in the end core of the crosspiece, and bolts And a connecting member formed by screwing and tightening the nut into the nut.

That is, according to the first or second aspect of the present invention, locking claws are provided on both sides of the plate between the bottom surface of one of the notch recesses of the intermediate support or the cutout recess of the end support and the end surface of the crosspiece. An upright washer is to be interposed, and a nut is fixed in advance in the end core material of one of the crossbars, a bolt is used as a connecting member, and the bolt and nut are tightened to connect with one of the crossbars. At the time of tightening work with these bolts and nuts, use the tightening force to make the locking claws of this washer bite into the end face of the crossbar and the bottom of the cutout recess of the support, The main point is to ensure that the washer is fixed circumferentially by the washer.

The washer used in the first or second aspect of the present invention is formed of a plate, and the plate is provided with locking pawls on both sides thereof. It must have enough rigidity to penetrate the bottom of the notch recess of the column, and its material and forming method are as follows. Or cast iron molded using a mold, and cast molding using a ceramic having high hardness as a material.

The shape of the locking claw is not particularly limited as long as it has a sharp tip, but the angle of the upright with respect to the plate is preferably a right angle or an angle close thereto, and the angle is oblique. If the inclination is too high, it is difficult to bite into the bottom surface of the notch recess or the like unless the rigidity is very high.

The nut used in the first or second aspect of the present invention is preferably fixed to the tubular core material in advance of forming the outer layer when forming the crosspiece. As the fixing means, a known method such as spot welding or caulking is employed, although it depends on the shape of the nut. As the shape of the nut, as shown in the embodiment, a cap-shaped one in which a female screw is engraved on the inner peripheral surface of a thin-walled short cylindrical body and a lid-like body is formed on the outer peripheral surface of the short cylindrical body is used. It is preferable because the thin lid-like body can be easily fixed inside the core by caulking the core.

[0016]

According to the first and second aspects of the present invention, between the bottom surface of one of the notch recesses of the intermediate support or the notch recess of the end support and the end surface of the one crosspiece, both sides of the plate are locked. A washer in which a claw is erected is interposed, a nut is fixed in advance in the end core material of one of the crosspieces, and a bolt is used as a connecting material, and one crosspiece and a pillar are used by this connecting material, Since the structure is fixed by the tightening force of the bolts and nuts, the washer is tightened by the tightening force at the time of assembling. It has a structure that bites into.

Further, since the nut is fixed only in the end core material of one of the crossbars, when a short one is required for construction, the other side where the nut is not fixed is used. Can be cut to change the dimensions.

[0018]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the first aspect of the present invention, wherein (a) is a plan view thereof, and (b) is a partially cutaway front view thereof. FIG. 2A is a front view showing an example of the washer used in the above embodiment, and FIG. 2B is a side view for explaining a procedure for forming a locking claw of the washer shown in the above embodiment. is there. FIG. 3 is an enlarged sectional view of a main part of the above, that is, a part cut away in FIG. In the following description, one means the left direction of the drawing, and the other means the right direction.

In these figures, reference numerals 1 and 1 denote intermediate supports,
Reference numeral 2 denotes an end support, and reference numerals 3 and 3 denote rungs. As shown in FIG. 3, an outer layer 5 made of a synthetic resin is provided on a peripheral surface of a metal tubular core material 4, 4, and the outer surface is provided on the surface thereof. Is made of a round bar-shaped pseudo-wood material that has been subjected to pseudo-wood processing. 6, 6 are notch recesses provided symmetrically on the left and right of the upper part of the intermediate support 1 and excavated according to the shape of the crossbar.
The ends of the left and right crossbars 3 are inserted into 6. Also,
A connecting member insertion hole 7 is provided between the notch recesses 6. In this embodiment, not only the crossbar 3 but also the intermediate support 1
Since the tubular core member 4 is also used, the connecting member insertion hole 7 is used.
Are also provided through the core 4 of the intermediate support 1.

The connecting member insertion hole 7 has a connecting member 8 formed of a long bolt with a male screw engraved at the tip.
Is inserted from the other cutout recess 6. Reference numeral 9 denotes a cap-shaped nut previously fixed in the end core member 4 of one of the crosspieces 3, which is fixed to the core member 4 by caulking from the outside of the core member 4 as described above. Have been.

Reference numeral 10 denotes a metal disk-shaped washer interposed between the bottom surface of the notch recess 6 and the end surface of the cross bar 3. As shown in FIG. 2B, cuts 11, 11,... Are formed at regular intervals and at a constant angle with respect to the periphery of the washer 10. As shown in FIG. The hooks 13 are formed by alternately bending the lines perpendicular to each other (indicated by broken lines) as folds 12, 12... At right angles in opposite directions. As described above, when the locking claws 13 of the washer 10 are erected at an angle with respect to the circumferential direction centered on the axis of the crosspiece 3, the fixing strength in the circumferential direction of the crosspiece is more excellent. Is obtained.

Further, a connecting member insertion hole 14 is formed in the center of the washer 10. As shown in FIG. 3, the cross section of the connecting member 8 has a circular shape slightly smaller than the connecting member insertion hole 14 except for the male screw portion.

Reference numeral 16 denotes a head for rotating the connecting member 8 which corresponds to a head of a bolt, and has a hemispherical shape on one side, as if it were a cap nut, and is integrally formed in the middle of the connecting member 8. It is provided in. When the connecting member 8 is screwed into the nut 9 and tightened, the hemispherical curved surface portion rotates and slides through a washer at the entrance of the connecting member insertion hole 7 of the other cutout recess 6. , To reduce friction.

Reference numeral 17 denotes a cap-shaped support collar provided in the end core 4 of the other crosspiece 3 in advance, which is made of the same material as the nut 9 and is formed from the end of the core 4 to one end thereof. The fitted flange portion is fitted so as to abut.

A through-hole 18 is provided at the center of the support collar 17 and extends from the turning head 16 of the connecting member 8 when the other cross bar 3 is inserted into the other cut-out recess 6. The other end (the right side in the drawing) is inserted into the through hole 18 so as to lightly support the crosspiece 3 in the other cutout recess 6. The support collar 17 is not always necessary for the invention according to the first or second aspect. Further, the attachment to the tubular core member 4 can be performed at any time from the stage of manufacturing the crosspiece to immediately before the construction.

Using the above-described members, the crosspiece 3 is attached to the intermediate support 1.
In order to assemble the wooden fence according to claim 1, first,
As one of the crossbars, one having a nut 9 fixed to at least the end to be joined is used. In the case where an adjacent column on one side of the intermediate column 1 is an end column, a member corresponding to the column is required at the opposite end of the crosspiece as described later.

Next, the washer 10 is temporarily attached so that the center is aligned with the end face of the cross bar 3. The means for this temporary attachment is not particularly limited, but it is sufficient to hit the washer 10 with a mallet to slightly bite the locking claw 13 on the end face side.
Next, the intermediate support 1 is inserted into the existing excavation hole, and the upper end is still loose in this hole.
The end of the crosspiece 3 to which the washer 10 is temporarily attached is inserted therein.

Then, a connecting member 8 is inserted from an entrance of a connecting member insertion hole 7 opened in the other notch recess 6 of the intermediate support 1, and a tip of the connecting member 8 is screwed into a nut 9, and a rotating head of the connecting member is rotated. Even if 16 is locked via a washer, it is still slightly rotated and tightened. Subsequently, the intermediate support 1 is vertically aligned, and a foundation F is laid and fixed on the boring stone at the bottom in the excavation hole. In this manner, one end of one crosspiece 3 and one intermediate support 1 are assembled. Subsequently,
The other crosspiece 3 is inserted into the other cutout recess 6. At this time, a bearing collar 17 is attached to the end of the tubular core 4 to be joined, and the above-mentioned nut 9 is attached to the opposite side.
Use the one with. By doing so, the column 1 or 2 can be assembled further subsequently. Then, the extension of the other end of the connecting member 8 is inserted into the through-hole 18 of the support collar of the other cross bar 3 while being inserted, whereby the assembly of the end of the other cross bar 3 and the intermediate support 1 is completed. . Subsequently, the other end of the crosspiece 3 can be incorporated into the next intermediate support 1 in the same manner as described above.

Next, an embodiment of the artificial wood fence according to the second aspect will be described with reference to FIG. In FIGS. 4 to 6 described below, the same reference numerals are used for members having the same structure as the embodiment shown in FIGS. In the case of the same figure, an example of the end support 2 located at the end of the assembly of the artificial wood fence is shown.

In the drawing, reference numeral 19 denotes a connecting member, and the male screw portion at the tip is the same as that of the embodiment shown in FIG. It is a bolt with a hexagonal hole (not shown), which is located at the end in the same manner as described above. 21 is a counterbore hole formed in the center of the other side surface corresponding to the cutout concave portion 6 of the column.

The assembly of the end post 2 is performed by connecting the connecting members 19.
At the time of tightening, the connecting member 19 is inserted from the counterbore hole 21 through the washer, and the male screw of the connecting member 19 is connected to the nut through the connecting material insertion hole 22, the connecting material insertion hole 7, and the connecting material insertion hole 14. This is done by screwing into 9 and tightening.

In order to assemble the entirety of the artificial wood fence using the above-described embodiment of the artificial wood fence according to the first and second aspects of the present invention, an end post located at the starting end of the assembly of the artificial wood fence and the end post Requires assembly with a rung connected to

For this purpose, it is possible to divert the assembling structure of the end post located at the end of the assembling of the artificial wood fence shown in FIG. 6 and the cross bar connected thereto. However, washers for stopping rotation of the crossbar need not necessarily be provided at both ends of the crossbar, and as described below,
It is rather preferable to adopt an assembly structure as shown in FIGS.

FIG. 4 is a view showing an example of an assembling structure of an end post located at the starting end of the assembling of the artificial wood fence and a cross bar connected thereto, and FIG. 5 is a connecting member used for the artificial wood fence of FIG. FIG. 3 is a diagram showing only the part, in which (a) is a plan view thereof and (b) is a front view thereof.

In these figures, reference numeral 23 denotes a connecting member, and its head 24 has a locking piece 26 rotatable around the axis of a spring pin 25.
When inserting 3, the washer 27 and the nut 28 are temporarily inserted or screwed into the connecting member 23 in advance, and the locking piece 26 is set parallel to the axis of the connecting member 23 as shown in FIG. It is performed in the state of having done. When the locking piece 26 of the connecting member 23 enters the hollow portion of the tubular core 4, as shown in FIG. 4, the locking piece 26 is rotated by its own weight and automatically locked in a vertically oriented state. If the nut 28 is further tightened via the washer 27, the connecting member 23 is securely fixed to the end support 2.

Next, one end of the other cross bar 3 is inserted into the cutout recess 6 so that the connecting member 23 is inserted into the through hole 18 of the bearing collar 17 of the other cross bar 3 to complete the connection. . Although not shown, the other end core of the crosspiece 3 is provided with the nut 9 as described above (see FIG. 3).

[0037]

According to the first and second aspects of the present invention,
A washer is provided between the bottom surface of one of the notch recesses of the intermediate support or the cutout of the end support and the end surface of one of the crosspieces. A nut is fixed in the end core material in advance, and a bolt is used as a connecting material, so that one cross bar and a support are fixed by the tightening force of the bolt and nut by this connecting material. As a result, the washer is tightened by the tightening force at the time of assembly, and the locking claws on both the left and right sides are
Each has a structure in which it penetrates into the end face of the crossbar and the bottom face of the cutout recess of the column.

Therefore, the strut and the crosspiece are firmly fixed not only in the axial direction but also in the circumferential direction by the connecting material and the washer. It is possible to provide a safe wooden fence without rotating or detaching from the support.

Further, the cross bar has a structure in which the nut is fixed only in the end core material of one of the cross bars. Therefore, in the case of construction, for example, when a short one is required at the end of the assembly, the nut may be used. The other side, which is not fixed, can be cut to change the dimensions. In addition, even if the thing which has the bearing collar inserted in the tubular core of the crosspiece is used, as this bearing collar, the thing which can be removably inserted into the end of the tubular core of the crosspiece by post-processing is used. If you use
It is only necessary to cut the end side without the nut at the site and replace the bearing collar, the type of material is reduced, the construction is easy, and a pseudo wood fence that matches the dimensions of the site can be provided.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the invention described in claim 1;
Is a plan view thereof, and (b) is a partially cutaway front view thereof.

FIG. 2A is a front view showing an example of a washer used in the above embodiment, and FIG. 2B is a side view showing a procedure for forming a locking claw of the washer shown in FIG.

FIG. 3 is an enlarged sectional view of a main part of the above, that is, a part cut away in FIG.

FIG. 4 is an enlarged cross-sectional view of a main part showing an example of an assembling structure of an end post located at a starting end of assembling of a wooden fence and a crosspiece.

5A and 5B show a connecting member used for the artificial wood fence of FIG. 4, wherein FIG. 5A is a plan view thereof and FIG. 5B is a front view thereof.

FIG. 6 is an enlarged sectional view of only a main part showing an embodiment of the invention described in claim 2;

7A and 7B show an example of a conventional wooden fence, and FIG. 7A is an enlarged cross-sectional view of a main part showing one example thereof, and FIG. 7B is an enlarged cross-sectional view of the same main part showing another example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intermediate support | pillar 2 End support | pillar 3 Cross bar 4 Tubular core material 6 Notch recessed part 7 Connection material insertion hole 8,19,23 Connection material 9 Nut 10 Washer 13 Locking claw 14,22 Connection material insertion hole 16,20,24 Connection material Head 17 bearing color

Claims (2)

(57) [Claims] 1. A notch recess is provided on both sides of a pillar, a connecting member insertion hole penetrating the pillar is provided between the notches, and an end of a crosspiece having a tubular core is inserted into the notch recess. At the same time, a connecting member is inserted into the connecting member insertion hole, and the connecting member is used to fix the crosspiece to the column. In the pseudo-wood fence, a plate body is provided between the bottom surface of one cutout recess and the end face of the crosspiece. A washer having locking claws erected on both sides is interposed, a nut is fixed in the end core of one crosspiece, and a connecting member made of bolts is inserted from the connecting material insertion hole of the other cutout recess. A false wood fence characterized by being screwed and tightened into the nut. 2. An end of a rung having a tubular core, wherein a notch recess is provided on one side of the column, a connecting member insertion hole penetrating the column is provided between the bottom of the notch and the other side of the column. A part is inserted into the notch recess, and a connecting member is inserted from the other entrance of the connecting member insertion hole, and the connecting member is used to fix the crosspiece to the column. A washer having locking claws erected on both sides of the plate is interposed between the ends of the plate, a nut is fixed in the end core of the crosspiece, and a connecting member made of a bolt is screwed onto the nut. A wooden fence characterized by being tightened.