JP3657352B2 - Synthetic resin fake wooden fence - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a synthetic resin pseudo-wood fence composed of columns, crosses, and the like whose main material is synthetic resin and whose surface is formed in a bark shape or a drawn log shape.
[0002]
[Prior art]
The so-called pseudo-tree fence, which is manufactured using synthetic resin as the main material and is assembled and installed, such as a bark or squeezed log surface, is widely used from the viewpoint of its corrosion resistance and saving natural wood resources. Although it is used, as one of the problems of this synthetic resin pseudo-wood fence, there is a problem that it is difficult to adjust the arrangement angle of the cross. In other words, in the case of a material that can be easily processed, such as wood, the crosspiece can be attached to the support column at a desired angle in either the top, bottom, left, or right direction by processing the material. It is easy to install a fence according to the inclination and bending state. However, in the case of a material made of synthetic resin, it must be assembled using a concave portion or a convex portion that has been formed by molding in advance, so the crosspiece can be freely set according to the state of the installation place (for example, a slope or a curved place). There was a problem that it was difficult to mount with tilting.
[0003]
Japanese Patent Laid-Open No. 6-336807 proposes a method that can adjust the arrangement direction of the crossbar with respect to the column using a bendable coupling nut, but this proposed method is complicated in the work on the installation site. There are drawbacks that are difficult to put into practical use.
[0004]
Furthermore, in the synthetic resin pseudo-tree fence, there was a risk that the crossbar would rotate accidentally after installation. That is, generally, the crosspiece of a synthetic resin pseudo-wood fence has a circular end inserted into a recess on the side of the column, and a connecting bolt arranged in a steel cylinder inside the column of the crosspiece is inserted into the column. Since the child is straddled and connected to the column, if the child straddles the cross and a strong rotational stress is applied to the cross, there is a risk that the cross will rotate and the child will fall.
[0005]
For this reason, several methods are considered to prevent the rotation of the cross. For example, Japanese Utility Model Laid-Open No. 4-34365 describes a method in which a nail fixed to a concave portion of a support column is inserted into the end surface of a horizontal bar, and Japanese Utility Model No. 4-9809 is inclined to a concave side of a support column and an end surface of a horizontal tree. JP-A-6-117150 describes a method in which a washer with a locking claw is interposed between the end face of the cross and the recess of the column to make it difficult to insert both. Has been. However, all of these methods have a drawback that they are accompanied by troublesomeness in assembly work at the installation site.
[0006]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide a synthetic resin pseudo-wood fence that can adjust the arrangement angle of a crosspiece during construction, that is easy to manufacture, and that can be installed and installed efficiently.
[0007]
[Means for Solving the Problems]
In the present invention, as a means for connecting the support column and the crosspiece, a method of engaging a pin of a connecting tool attached to the post side and a notch portion of an engagement connecting portion provided on the crosspiece side is used (Claim 1). .
[0008]
Further, as means for preventing the accidental rotation of the crosspiece, a method of engaging radial irregularities formed on both the end face of the crosspiece and the receiving recess on the support column side is used (Claim 2).
[0009]
That is, the invention of claim 1 is a pseudo-wood fence having a post and a cross of a synthetic resin pseudo-wood, and a bolt-like connection provided with a pin for locking the end of the cross in the head in the cross-insertion recess of the post. An engagement connecting portion having a notch for engaging with the pin is provided at one end of the cross, and the end of the cross is connected to the notch in the cross end insertion space. It has a configuration that is connected to the column by removably locking to the pin,
[0010]
According to a second aspect of the present invention, in the pseudo-wood fence of the first aspect, a radial unevenness is formed on the other end portion of the crosspiece, and a nut that is screwed with the tail portion of the bolt-shaped connector is fixed. A radial unevenness that engages with the unevenness of the end face of the crosspiece is formed on the bottom face of the crosspiece insertion recess of the support column that accommodates the end part, and the end part of the crosspiece tightens the nut and the bolt-shaped connector. In addition, the radial concavo-convex portions on the support column side and the crossboard side are connected by abutting engagement.
[0011]
Embodiment
In the pseudo-tree fence of the present invention, the bolt-shaped connecting tool attached to the column side has, for example, a shape as shown in FIG. That is, it is characterized in that a pin as shown in FIGS. This pin is provided with a large-diameter spacer as shown in the figure in the vicinity of the head of the connector and protruding from the radial direction of the spacer. The spacer may be made of metal, but it is preferable that the spacer is made of a synthetic resin from the viewpoint of rust prevention and elasticity at the time of tightening.
[0012]
As shown in FIG. 1, the coupling tool has a spacer abutting against the bottom surface of the crosspiece receiving recess (the recess 5a in the case of the support column 1) formed on the side surface of the support column, the trunk portion penetrates the support column, and the tail portion of the support column. Projecting into the concave recess (recess 6 in the case of the support column 1) or the crosspiece receiving recess (recess 5b in the case of the support column 2) on the other side surface, and screwed with the tightening nut or the cap nut at the other end of the crosspiece, Tightly fixed to the column. At this time, the direction of the pin may be an appropriate direction. However, when the rung is attached to be inclined in the vertical or horizontal direction, the pin is oriented in the horizontal direction or the vertical direction.
[0013]
On the other hand, of the two ends of the crosspiece, a connecting portion having a notch that engages with the pin is formed at the end connected to the head side of the connector. For example, at the end of the steel pipe, a connecting portion having a notch portion shaped so that the crosspiece can be brought into an engaged state by rotating the crosspiece after receiving the pin of the connecting tool. The Usually, since a core pipe such as a steel pipe penetrating the crosspiece in the longitudinal direction is embedded in the shaft center portion of the crosspiece, the above-mentioned cutout portion may be provided at the end of the core pipe, but the connection portion may be used. As described above, a short shaft pipe (for example, the one shown in FIG. 5) having a notch formed thereon may be covered and fixed to the end of the core pipe. According to this method, a waterproof cap made of a synthetic resin that is in close contact with the core pipe is fitted on the inner peripheral side of the core pipe, thereby preventing the occurrence of rust inside the core pipe.
[0014]
When connecting the rung to the support, put the end of the rung into the rung receiving recess of the support and insert the pin of the connector attached to the support into the notch of the connection. Rotate the rung so that is inserted into the back of the notch. Due to the engagement between the pin and the notch by such a one-touch operation, one end of the cross bar is connected to the column.
[0015]
At this time, the rung becomes swingable with the pins 10a and 10b as the axis, so when the pin of the connector is positioned in a substantially vertical direction, the rung is placed in the same direction with respect to the column. In the case where the pin is positioned substantially in the horizontal direction, the crosspiece can be arranged in a state inclined with respect to the axial direction of the support column.
[0016]
Next, in the pseudo-wood fence according to claim 2 of the present invention, the crosspiece is centered on a core pipe as shown in FIG. 7, for example, on the end face of the other end of the crosspiece (the end on the side not having the engagement connecting portion). A large number of radial projections and depressions extending radially toward the outer periphery are formed. As described above, this end portion is accommodated in the crosspiece receiving recess of the support column, and the tail of the bolt-shaped connector attached to the support column side is screwed and tightened to the nut fixed to the end portion. Although it is connected to the crosspiece on the other side of the support column, the bottom surface of the receiving part on the support post side that receives this end portion also has radial unevenness corresponding to the radial unevenness of the end surface of the crosspiece as shown in FIG. The end surface and the bottom surface of the concave portion are brought into contact with each other so that the concaves and convexes on both sides are engaged. As a result, the rung can avoid accidental rotation after installation.
[0017]
【Example】
1 to 4 show an embodiment of the present invention.
[0018]
In the pseudo-tree fence shown in FIG. 1, a crosspiece 3 is stretched between two struts 1 and 2. The column 1 is a column that is set up at the end position of the series of fences, and the column 2 is a column that is set up at an intermediate position of the series of fences. Both struts 1 and 2 are formed by forming and covering a polyethylene resin layer 3a around a core pipe 4 made of steel pipe. The column 1 has a cross receiving recess 5 on one side and a tightening recess 6 on the other side. The support column 2 is formed with crosspiece end receiving recesses 5a and 5b on both sides thereof. Further, in both the columns 1 and 2, a connector insertion pipe 7 is fixedly provided across the core pipe 4 between the concave portions on both sides.
[0019]
A bolt-shaped connector 8 is inserted into the connector insertion pipe 7. The bolt-shaped connecting tool 8 has the shape shown in FIG. 2 and has a head portion 8a and a tail portion 8c. A large-diameter synthetic resin spacer 9 is fixed in contact with the head portion 8a. The engagement pins 10a and 10b protrude in the radial direction. The tail portion of the bolt-shaped connector 8 is screwed and tightened with a nut 10 in the recess 6 in the column 1, and the column 2 is screwed and tightened with a nut fixed to one end of the crosspiece 3. . In the illustrated embodiment, the connector 8 is fastened with the pins 10a, 10b facing upwards or downwards, each facing the vertical direction.
[0020]
The crosspiece 3 is also formed by coating a polyethylene resin layer 3a around the core pipe 12 and has recesses 13a and 13b formed at both ends. A cylindrical engagement connecting portion 14 projects into the end 13a on the support column 1 side. The engagement connecting portion 14a is fitted and fixed to the outer periphery of the core pipe 12, and has the shape shown in FIG. 5 or FIG. 6, that is, one that engages with the pins 10a and 10b of the connector 8 on one end side. Notches 15a and 15b are formed.
[0021]
In FIG. 5, the cutout portion 15 includes a portion c extending in the axial direction from the end edge of the engagement connecting portion 14, a portion d extending along the circumference of the cross section substantially perpendicular to the axis from the end of c, Furthermore, it consists of a portion e extending from the terminal end of d toward the edge direction, and in the case of FIG. 6, it is formed as a shape extending obliquely from the edge.
[0022]
The notches 15a and 15b of the engagement connecting portion 14 engage with the pins 10a and 10b of the connecting portion 8 on the support column side, respectively, and as a result, as shown in FIGS. Is locked to the column 1. As long as the other end 3c side of the crosspiece 3 is not connected to the column 3, the crosspiece 3 can be rotated about the pins 10a and 10b, so that the crosspiece is inclined with respect to the column as shown in FIG. It can be locked with. In FIG. 3, the rung is arranged in a state bent in the horizontal direction with respect to the support column. However, when the connector 8 is attached to the support column so that the pins 10a and 10b protrude in the horizontal direction, the rung is used as the support column. On the other hand, it can be locked in a state inclined in the vertical direction.
[0023]
The other end 3c of the crosspiece 3 is fitted into the concave portion 5b on one side of the support column 2. A cap nut 16 is fixed on the end 3c side of the core pipe 12, and is screwed with the tail 8 of the bolt-shaped connector 8. The end surface 3d of the end 3c contacts the bottom 5c of the recess 5b.
[0024]
On the end surface 3d of the end portion 3c of the cross, as shown in FIG. 7, a large number of projections and depressions 3e extending radially from the shaft center to the outer periphery are formed, while the bottom surface 5c of the recess 5b of the support column 2 is formed. In addition, as shown in FIG. 8, a large number of irregularities 5d extending radially from the center portion of the bottom surface 5c are formed. The end face 3d of the crosspiece and the bottom face 5c of the recess 5b abut against each other in a state where the unevenness 3e and the unevenness 5d are engaged with each other, thereby preventing the crosspiece from rotating after the fence is installed.
[0025]
A cup-like insertion cap 17 made of synthetic resin is attached to the end of the core pipe 12 of the crosspiece 3 on the side where the engagement connecting portion 14 is fixed. Since the cap nut 16 and the insertion cap 17 are attached to both ends of the core pipe 12, the intrusion of water into the core pipe is prevented, and the generation of rust and corrosion can be prevented.
[0026]
【The invention's effect】
The effects of the present invention are as follows.
(1) Since one end of the crosspiece is connected to the support by engaging the pin of the connector attached to the support and the notch of the connector provided on the crosspiece, the connection of the one end of the cross is efficient with one touch. And the arrangement angle of the cross relative to the column can be adjusted. (Effect of the invention of claim 1)
(2) Radial unevenness is formed on the end face of the other end of the cross, and this is brought into contact with the radial unevenness formed on the support column side, so that it is possible to prevent accidental rotation of the cross by simple means. can do. (Effect of the invention of claim 2)
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a connecting portion of a support post and a crosspiece in an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a connection state between a column and one end of a cross.
FIG. 3 is a cross-sectional view showing a state in which a cross is tilted and continuous.
FIG. 4 is a side view of a bolt-shaped connector.
FIG. 5 is a perspective view of a connecting portion at the end of a cross.
FIG. 6 is a perspective view of another example of the connecting portion at the end of the crossbar.
FIG. 7 is a perspective view of the other end of the crosspiece.
8 is a perspective view of a column on the side that accommodates the cross bar of FIG. 6. FIG.
[Explanation of symbols]
1, 2... Column 1 a, 2 a... Synthetic resin layer 3 of the column 3. Cross 3 a... Synthetic resin layer 3 b, 3 c. ... Recessed portion 5c for fitting the end of the crosspiece ... Bottom surface 5d of the recessed portion ... Radial unevenness 6 ... Recessed portion 7 for tightening the nut ... Insertion pipe 8 ... Bolt-like connector 8a ... Head 8b of the connector ... Tail 9 of the connector ... Spacer 10a, 10b ... Pin 11 ... Nut 12 ... Cross core pipe 13 ... Connection recess 14 ... Engagement connection parts 15a, 15b ... Notch parts 15c, 15d, 15e ... Notch part 16 ... Cap nut 17 ... Insertion cap

Claims (2)

A synthetic resin pseudo-tree support and a rung are provided, and in the rung insertion recess of the support, a spacer that contacts the bottom surface of the rung fit recess and a pin for locking the rung extending in the radial direction of the spacer are provided on the head. Provided with a bolt-shaped connector, and at the axial center portion of one end of the cross, a cylindrical engagement connecting portion provided with a long hole-like notch for engaging with the pin is provided , The pin is in contact with and tightened to the bottom surface of the cross fitting recess so that the pin is in a desired direction position, and the end of the cross is detachably locked to the pin in the notch portion of the engagement connecting portion . Synthetic resin fake wooden fence connected to the support. On the other end of the cross, a radial unevenness is formed on the end face, and a nut that is screwed to the tail of the bolt-like connector is fixed, and the bottom of the cross fit recess of the support that accommodates the end Is formed with a radial unevenness that engages with the unevenness of the end face of the crosspiece, and the end of the crosspiece is fastened with the nut and the bolt-like connector, and the radial unevenness on the support column side and the crosspiece side The synthetic resin pseudo-wood fence according to claim 1, which is connected to the support column by being in close contact.

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