JP3171484U - Net upholstery - Google Patents

Abstract

A net tensioner capable of easily stretching a net while preventing sagging. A fixture 1 attached to a pile P and a support bar 3 attached to the fixture 1 are provided. The fixture 1 has a pile insertion portion 5 through which the pile P is passed, and a rod-like connection portion 7, and a rectangular plate-like locking piece 15 is rotatably held at the distal end portion of the connection portion 7. ing. Three through holes 23 are formed at both ends 21 and 21 of the support bar 3 at regular intervals in the axial direction. The support rod 3 is provided with two hooks 25, and each hook 25 has both an upward hook portion 25a and a downward hook portion 25b. The support bar 3 is attached to the fixture 1 through the connection hole 7 through the through-hole 23, and the upper and lower ends of the net are hooked on the hook 25 of the support bar 3. [Selection] Figure 2

Description

  The present invention relates to a netting tool used when a net is stretched.

  In construction sites and the like, sites and buildings are sometimes surrounded by nets so that animals such as third parties and cats do not enter.

  However, conventionally, the corners of the net were only attached to a pile or pipe with a string, so the net was slackened and the appearance was not good. Moreover, in order to prevent sagging, attaching the upper and lower ends of the net with a string has been performed, but in this case, it took time to attach.

  The present invention has been made in view of the above circumstances, and a main object thereof is to provide a net tensioner that can easily stretch a net while preventing sagging.

  The present invention has been made to solve the above-mentioned problems, and the device according to claim 1 hangs a fixture that is detachably attached to a pile and pile fixtures that are spaced apart from each other. And a support rod provided so as to be handed over, and the support rod is provided with a hook portion for a net.

  The device according to claim 2, wherein the fixture includes a pile insertion portion that is fitted and fixed to a pile, and a rod-like connection portion that protrudes radially outward from the pile insertion portion, The support rod is formed with a plurality of through holes at both ends, and one of the through holes is passed through the connecting portion to prevent the support rod from being pulled out. The netting tool according to claim 1, further comprising a hook portion.

  Furthermore, the invention according to claim 3 is characterized in that the support rod is provided with a plurality of hooks having hook portions on both the upper and lower sides. It is.

  According to the net tension tool of the present invention, it is possible to easily stretch the net while preventing sagging.

It is a figure which shows one Example of the net tension tool of this invention, and is a front view which shows the state attached to the pile. FIG. 2 is a partially enlarged perspective view of FIG. 1. It is a front view which shows the state by which the fixture of the net tension tool of FIG. 1 was attached to the pile. FIG. 4 is a partially enlarged perspective view of FIG. 3. It is a perspective view which shows the state which is going to attach the support bar of the net tension tool of FIG. 1 to a fixture. It is a front view which shows the support bar of the net tension tool of FIG. It is a cross-sectional view of the fixture of the net tension tool of FIG. It is a figure which shows the state by which the net | network was stretched from the state of FIG. It is a perspective view which shows the state which connected the support rod. It is a figure which shows the state which connected the support rod and stretched the net.

  Hereinafter, embodiments of the net tension device of the present invention will be specifically described with reference to the drawings.

1 and 2 are views showing an embodiment of the net tensioner of the present invention, FIG. 1 is a front view showing a state attached to a pile, and FIG. 2 is a partially enlarged perspective view of FIG. It is.
Moreover, FIG. 3 is a front view which shows the state in which the fixture was attached to the pile, and FIG. 4 is a partially expanded perspective view of FIG. FIG. 5 is a perspective view showing a state in which the support rod is about to be attached to the fixture. FIG. 6 is a front view showing the support rod, and FIG. 7 is a cross-sectional view of the fixture.
Further, FIG. 8 is a diagram showing a state where a net is stretched from the state of FIG.

  The net tension tool of a present Example equips the principal part with the fixture 1 attached to the pile P, and the support bar 3 attached to this fixture 1. FIG.

  The fixture 1 has a pile insertion part 5 through which the pile P is passed, and a connection part 7 provided in the pile insertion part 5. The pile insertion part 5 is a substantially C-shaped tubular body in plan view. Specifically, the pile insertion portion 5 is formed in a substantially C shape in a plan view in which a part of a peripheral wall of a cylindrical body that opens in the vertical direction is cut out in the axial direction, and the opening end portions are adjacent and separated from each other. It is possible to bend and deform as much as possible.

  Moreover, the pile insertion part 5 is extended outward from the opening both ends, and the rectangular plate-shaped fastening pieces 9 and 11 are formed, respectively. Of the pair of tightening pieces 9, 11, one tightening piece 9 has a round hole 9 a penetrating in the thickness direction. The other tightening piece 11 is formed with a screw hole 11a coaxially with the round hole 9a of the one tightening piece 9.

  In this embodiment, the bolts 13 are passed through the round holes 9a of the one fastening piece 9 and screwed into the screw holes 11a of the other fastening piece 11, so that the fastening pieces 9 and 11 come close to each other, and consequently The pile insertion part 5 is slightly reduced in diameter.

A rod-like connection portion 7 is provided so as to protrude radially outward from the side wall of the pile insertion portion 5.
In the present embodiment, the connecting portion 7 has a round bar shape, and is provided at a position shifted 90 degrees in the circumferential direction from the opening 5 a of the pile insertion portion 5. In the connecting portion 7, a groove 7a that opens to the tip side is formed in the center portion of the tip portion along the vertical direction. A rectangular plate-like locking piece 15 is rotatably held in the vertical groove 7a.

Specifically, the locking piece 15 has an elongated hole 15a formed in the middle thereof, and a shaft 17 is provided in the elongated hole 15a along the left-right direction so as to be rotatable in the groove 7a of the connecting portion 7. Retained.
As shown in FIGS. 2 and 4, the shaft 17 is disposed at the upper end of the elongated hole 15 a of the locking piece 15 in a state where the locking piece 15 is disposed along the longitudinal direction of the locking piece 15.
In the state shown in FIGS. 2 and 4, the lower end portion 15 b of the locking piece 15 is formed with an inclined portion that is inclined upward as it goes rearward.
Then, by temporarily lifting and rotating the locking piece 15 from the state shown in FIG. 4, the locking piece 15 can be arranged so that its longitudinal direction is along the axial direction of the connecting portion 7 as shown in FIG. 5. . In the state of FIG. 5, the inclined portion 15 b of the locking piece 15 abuts against the edge of the groove 7 a of the connecting portion 7, so that counterclockwise rotation from the state of FIG. 5 is restricted.
The connection portion 7 and the locking piece 15 constitute a so-called gravity lock.

  The support bar 3 has a cylindrical shape, and both end portions 21 and 21 thereof are crushed and formed flat. In addition, a plurality of through holes 23 are formed in both end portions 21 and 21 of the support rod 3, and in the illustrated example, the three through holes 23 are formed at equal intervals in the axial direction.

  Further, the support bar 3 is provided with a plurality of hooks 25. In the illustrated example, two hooks 25 are provided apart in the axial direction. The hook 25 is substantially C-shaped with an opening to the front. Specifically, the hook 25 has a shape that extends outward in the vertical direction as it goes forward, and then extends inward in the vertical direction as it goes further forward, so that the lower end of the net is hooked upward. Both the hook portion 25a and the downward hook portion 25b on which the upper end portion of the net is hooked are provided.

  When the net N is installed using the net tension tool of this embodiment having such a configuration, a plurality of piles P are driven into the ground, and the fixture 1 is attached to each pile P. Specifically, the pile insertion portion 5 is fitted into the pile P, and the bolt 13 is screwed to fix the fixture 1 to the pile P. Moreover, in a present Example, the two fixtures 1 are provided in one pile P spaced apart up and down. At this time, the interval between the fixtures 1 and 1 is adjusted to the height of the net N.

  Next, the support bar 3 is attached to the fixture 1 so as to bridge the fixtures 1, 1 provided on the adjacent piles P, P. Specifically, as shown in FIG. 5, the connecting portion 7 of the fixture 1 is inserted into the through hole 23 of the support bar 3 with the locking piece 15 disposed along the axial direction of the connecting portion 7. That's fine. Then, by disposing the locking piece 15 so that the longitudinal direction thereof is along the vertical direction, the support bar 3 is prevented from coming off. In this manner, the upper and lower end sides of the net N may be hooked and stretched on the hooks 25 of the two support bars 3 and 3 that are spaced apart from each other in the vertical direction. Specifically, the upper end side of the net N is hooked to the hooking portion 25b below the hook 25 of the upper support bar 3, while the lower end side of the net N is hooked to the upper side of the hook 25 of the lower support bar 3. What is necessary is just to hook on the part 25a. As described above, in this embodiment, the upper and lower ends of the net N are hooked on the hooks 25a and 25b of the hook 25, so that sagging can be prevented. In addition, when the string is provided in the four corners of the net | network N, what is necessary is just to stick to the pile P and the support bar 3. FIG.

FIG. 9 is a perspective view showing a state where the support bars are connected, and FIG. 10 is a view showing a state where the support bars are connected and a net is stretched.
When connecting the support rods 3 along the axial direction, as shown in FIG. 9, the piles P are sequentially attached to the connection portion 7 of one fixture 1 through the through holes 23 of the adjacent support rods 3 and 3. The support bar 3 is attached so as to be bridged. Then, the net N may be hooked on the hook 25 of each support bar 3.

In the present embodiment, a plurality of through holes 23 for attachment to the fixture 1 are formed at each end of the support rod 3 so that the attachment position of the support rod 3 with respect to the fixture 1 can be adjusted. It is said.
Moreover, the fixture 1 can be installed according to the magnitude | size of a net | network by being provided in the pile P so that attachment or detachment is possible. Furthermore, the hook 25 of the support bar 3 can be used without worrying about the upper and lower sides when attached to the fixture 1 due to the vertically symmetrical shape.
Further, in this embodiment, since the connecting portion 7 of the fixture 1 and the fastening pieces 9 and 11 are formed at positions shifted by 90 degrees in the circumferential direction, the connecting portion is connected to the site or building side to be surrounded by the net. By arranging 7 facing toward each other, it is not necessary to arrange a portion that protrudes to the side that becomes the passage of the pedestrian (the opposite side of the connecting portion 7), and the pedestrian is not caught and is safe.

The netting tool of the present invention is not limited to the configuration of the above embodiment, and can be changed as appropriate.
In the above embodiment, two hooks are provided on the support rod, but one or three or more hooks may be provided.
Further, the shape of the hook can be changed as appropriate. Furthermore, although the three through holes 23 are provided at each end of the support rod, the number may be one or two, or four or more. Furthermore, the net tensioner of the present invention can also be used when a sheet is stretched.

DESCRIPTION OF SYMBOLS 1 Mounting tool 3 Support rod 5 Pile insertion part 7 Connection part 15 Locking piece 25 Hook 25a Hook part 25b Hook part

Claims (3)

A fixture that is detachably attached to the pile;
A support bar provided to bridge the pile fixtures arranged apart from each other,
The support bar is provided with a hook portion for a net. The fixture includes a pile insertion part that is fitted and fixed to a pile, and a rod-like connection part that protrudes radially outward from the pile insertion part,
The support rod has a plurality of through-holes formed at both ends, and the through-hole is passed through the connection portion to prevent it from coming off,
The netting tool according to claim 1, wherein the support bar is provided with an upward hook portion and a downward hook portion. The net tension tool according to claim 1 or 2, wherein the support bar is provided with a plurality of hooks having hook portions on both the upper and lower sides.

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