JP2010048022A - Pile adopting booster mechanism with fall-out prevention system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fall-out prevention pile adopting a booster mechanism wherein the pile is driven into the ground by a hammer to allow projecting pins to project radially in the ground so that a tent may be pitched and a net, a fence or a standing signboard may be fixed outdoors. <P>SOLUTION: The fall-out prevention pile adopting the booster mechanism is a pile body 1 comprising a head 2 including a flange 3, a leg 4 formed into a conical body, and a cylindrical trunk 5 connecting the head 2 and the leg 4 in an integrating manner. A protecting cover (not shown in the figure) is placed on an upper part of the pile body 1, hit by a hammer, and removed after the pile body is completely driven into the ground. Then, a driven-motion conical body 12 is moved down by a pushing rod 20, so that the projecting pins 17 are radially protruded into the ground in the direction of the outside of the pile body 1 by an inclined face of a conical leg 14 of the operating conical body 12 by the booster mechanism of the principle of wedge. Thus, the pile body 1 is firmly fixed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a pile for application to a boosting mechanism with a slip-off prevention that is used for fixing a tent, a net, a fence, a standing signboard, etc. outdoors.

Traditionally, tent stakes used as tent accessories are driven into the soil, and one end of the rope is linked to stably fix the tent's struts. In addition, a hook having one end of a rope connected in the vicinity of the head is provided, and a tip is sharpened in a conical shape (see Patent Document 1).
However, this tent pile has a drawback that the pile is easy to come off because the round bar portion is linear.

As another example of a pile that is difficult to be removed, a mechanical anchor for fixing a civil engineering / building structure to the ground or bedrock is known (see Patent Document 2).
In this known technique, in order to fix a supported body such as a retaining wall to the ground with an anchor, the anchor is drilled into the ground by boring, or the anchor is driven or press-fitted with a hammer or the like. The foot part has a function as a bit and is inserted into the ground while boring with the anchor itself while rotating the main body. When inserting the anchor, the driving cover is attached to the screw part and the rod Insert while preventing movement, then remove the driving cover and drive the upper end of the rod, the cylinder part and cone part fixed to the rod will descend so as to spread the movable claw, so it is on the lower side The movable claw rotates around the pin and protrudes from the opening and bites into the ground. During this time, the anchor does not move in the axial direction, and the movable claw having a sharp end is the ground. It is intended to protrude as cut.
Japanese Utility Model Publication No. 04-2863 JP 49-122106 A

  The present invention is used for outdoor installation of tents, nets, fences, standing signs, etc., applied to a booster mechanism with a slip-off prevention mechanism, in which a pile is pushed into the ground with a hammer and the pins are projected radially. The purpose is to provide a pile of.

  According to the present invention, the pile body is applied to the pile mechanism with a pull-out prevention mechanism.The pile body has a flange portion at the head, and a large diameter cylindrical portion with the foot portion expanding outward, and gradually extends from the large diameter cylindrical portion toward the distal direction. Formed into a sharp cone with a small diameter, and includes a cylindrical body part that integrally connects the head and the foot part, and the body part has a large diameter that expands outward in the middle of the cylindrical body A retainer step portion having a cylindrical portion and a conical portion that gradually decreases in diameter toward the distal end from the large-diameter cylindrical portion is formed. Further, in the axial direction of the body portion, the foot portion extends from the head portion. A hollow portion having a predetermined depth is formed concentrically to reach the large-diameter cylindrical portion, and the large-diameter cylindrical portion of the trunk portion and the large-diameter cylindrical portion of the foot portion are vertically connected to the hollow portion from the outer peripheral surface. A plurality of fitting holes are formed at equal intervals in the circumferential direction, a projecting pin that fits into the pin fitting hole is provided, and the protrusion The take-out pin is formed to have a size that comes into contact with the small-diameter cylindrical body portion of the operating cone from the outer peripheral surface of the large-diameter cylindrical portion of the body portion and the large-diameter cylindrical portion of the foot portion. The body comprises an outer diameter cylindrical body part fitted into the cavity part, a conical foot part connected to the cylindrical body part, and a small diameter cylindrical body part connected to the conical foot part. Are inserted into the hollow portion in series.

The pile of the present invention with an anti-separation booster mechanism is driven by hammering the pile into the ground and projecting the pin radially into the soil, so that the tent is constructed, the signboard is installed, the fence is made of a fence and a fence In installation, etc., piles for fixing them can be driven to deal with wind and other external forces.
The pile of the present invention with an anti-separation booster mechanism is driven into the ground with a hammer to project the pin radially into the ground, so it is driven into the ground to set up a tent, install a sign, It is stronger than conventional piles and can be prevented from coming off easily.

  The pile of application of the boosting mechanism with slip prevention according to the present invention is such that the protruding pin of application of the boosting mechanism protrudes radially from the inside of the pile main body, and the pile main body is firmly fixed in the ground. It can also be used as a pile for fixing blindfolds such as blindfolds, or a parquet for protecting trees in the garden and a rope for hanging snow, and can be used to fix all other outdoor installations that are conventionally required. it can.

One embodiment of a pile applied to a booster mechanism with slip prevention according to the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, the pile of the present invention applied to a booster mechanism with a slip prevention has a flange 3 on a head 2, a foot 4 is formed into a cone, and the head 2 and the foot 4 is a pile main body 1 provided with a cylindrical body portion 5 that integrally couples 4.
The flange portion 3 becomes a striking surface when the pile main body 1 is driven into the soil, and the pile main body 1 that has been driven is locked by the flange portion 3 coming into contact with the ground surface and serves as a stopper.
The foot portion 4 is a large-diameter cylindrical portion 6 that is expanded outward from the cylindrical body of the body portion 5 and a sharp cone 7 that gradually decreases in diameter from the large-diameter cylindrical portion 6 toward the distal end. The work of driving the pile body 1 into the soil is facilitated.

The body portion 5 integrally connects the head portion 2 and the foot portion 4 and extends from the large diameter cylindrical portion 8 to the distal end direction gradually from the large diameter cylindrical portion 8 and the large diameter cylindrical portion 8 that expands outward in the middle of the cylindrical body. Thus, a retaining step portion 10 having a conical portion 9 having a small diameter is formed.
A hollow portion 11 having a predetermined depth is formed concentrically from the head portion 2 to the foot portion 4 in the axial direction of the body portion 5, and the hollow portion 11 is formed separately. A plurality of operating cones 12 are fitted and inserted.
As shown in FIGS. 5 (a) and 5 (b), the operating cone 12 includes an outer diameter cylindrical body 13 fitted in the cavity 11 and a conical foot 14 continuous to the cylindrical body 13. And a small-diameter cylindrical body portion 15 connected to the conical foot portion 14. 5 (b), the operating cone 12 inserted into the lowermost portion is provided with a fitting stopper 22 at the tip of the cylindrical body 15 to prevent the operating cone 12 from being broken. If it can be considered that, it is not necessary to provide this fitting stopper 22.
As shown in FIG. 4, the large-diameter cylindrical portion 8 of the body portion 5 and the large-diameter cylindrical portion 6 of the foot portion 4 are provided with pin fitting holes 16 that communicate vertically from the outer peripheral surface to the hollow portion 11. A plurality of pieces are formed at equal intervals, for example, four pieces at an angle of 90 ° divided into four in FIG. The pin fitting holes 16 are preferably provided so as to be shifted by 45 ° so as not to overlap at the upper and lower positions.

The protruding pin 17 that fits into the pin fitting hole 16 is formed from the outer peripheral surface of the large-diameter cylindrical portion 8 of the trunk portion 5 and the large-diameter cylindrical portion 6 of the foot portion 4, and the small-diameter cylindrical barrel portion of the operating cone 12. It is preferable that both ends of the protruding pin 17 are formed in an arc shape so that the protruding pin 17 contacts the conical foot portion 14 of the operating cone 12 and can slide smoothly.
As shown in FIG. 2, a concentric central shaft 18 is vertically installed in the hollow portion 11 of the pile body 1, and as shown in FIG. A through hole 19 into which the central shaft rod 18 can be fitted and inserted is formed also in the central axis, and this through hole 19 also serves as an air hole at the center of the operating cone 12 in the axial direction.
That is, when the operating cone 12 is inserted into the cavity portion 11, the through hole 19 of the operating cone 12 is inserted into the central shaft rod 18, and the air pressed by the movement of the operating cone 12 passes through the through-hole 19. It is discharged to the outside through the hole 19.
According to the present invention, the pile body 1 includes a large-diameter cylindrical portion 6 having a flange body 3 in a head 2 and a foot portion 4 expanding outward, and the large-diameter cylindrical portion 6. It is formed in a sharp cone 7 that gradually decreases in diameter toward the distal end, and includes a cylindrical body 5 that integrally connects the head 2 and the foot 4, and the body 5 is cylindrical. In the middle of the body, a large-diameter cylindrical portion 8 that expands outward, and a retaining step portion 10 that forms a conical portion 9 that gradually decreases in diameter toward the distal end from the large-diameter cylindrical portion 8 are formed, and the body portion 5, a hollow portion 11 having a predetermined length is formed concentrically from the head portion 2 to the foot portion 4, and the large-diameter cylindrical portion 8 of the trunk portion 5 and the large diameter of the foot portion 4 are formed. A plurality of pin fitting holes 16 are formed in the cylindrical portion 6 at regular intervals so as to communicate vertically from the outer peripheral surface to the cavity portion 11. The projecting pin 17 is fitted to the outer peripheral surface of the large-diameter cylindrical portion 8 of the body portion 5 and the large-diameter cylindrical portion 7 of the foot portion 4, and the small-diameter cylindrical body portion of the operating cone 12 is provided. 15 is formed to have a length up to contact with 15.
The operating cone 12 formed separately is a cylindrical body portion 13 having an outer diameter fitted into the cavity portion 11, a conical foot portion 14 connected to the cylindrical body portion 13, and the conical foot portion 14. A small-diameter cylindrical body portion 15 is connected to each other, and a plurality of the operating cones 12 are fitted and inserted into the hollow portion 11 of the pile body 1 in series.

Next, the operation of the pile applied to the booster mechanism with slip prevention according to the present invention will be described below with reference to the accompanying drawings.
First, as a preparation before driving the pile main body 1 into the ground, it is necessary to hold the moving cone 12 and the protruding pin 17 in place.
For the preparatory work, two round holes (not shown) penetrating the pile body 1 are opened in advance, a positioning rod (not shown) is passed through the hole, and the operation cone 12 is dropped, as shown in FIG. At the position, the lower surface of the cylindrical body portion 15 of the operating cone 12 hits a positioning rod (not shown) and stops.
Next, the projecting pin 17 is inserted into the pin fitting hole 16 formed in the outer peripheral wall of the pile body 1, and the end surface inside the projecting pin 17 hits the cylindrical body portion 15 to determine the position of the projecting pin 17. The protruding pins 17 are arranged radially outward from the cylindrical body 15 as shown in FIG.
And after winding an adhesive tape (not shown) around the pile main body 1 so that the protrusion pin 17 may not fall off, the positioning rod (not shown) is removed. Since the operation cone 12 of the next stage is repeatedly inserted below, the pile body 1 is ready for driving.

When the preparation for driving is completed, a protective lid (not shown) is placed on the top of the pile body 1, the pile body 1 is driven with a hammer, and the pile body 1 is completely driven into the soil and temporarily fixed.
When the temporary fixing is completed, as shown in FIG. 2, the operation cone 12 that can slide the cavity 11 of the pile body 1 is driven with a hammer using a push rod 20 that is a fixing auxiliary tool. As shown in FIG. 4, the projecting pins 17 are projected radially into the outer ground of the pile body 1 by the constricted surface of the conical foot portion 14 by a wedge-type boosting mechanism, and the pile body 1 is brought into the ground. Let it stick.
The push rod 20 is formed with an insertion hole 21 in the center of which the central shaft rod 18 is fitted.
Depending on the type and size of the place where the pile body 1 is driven into the ground, there is a single stage of the operating cone 12 and a multistage type of two or more operating cones 12. There is.
When the pile main body 1 is fixed to the ground, the rope of the tent is fixed to the pile main body 1 as shown in FIG.

In the pile of the present invention applied with a booster with a slip prevention mechanism, the operating cone 12 is loosely fitted into the cavity 11 of the pile body 1, and a cylindrical cylindrical body 15 is formed at the lower end of the conical surface of the operating cone 12. The projecting pin 17 is provided so as to be in contact with the lower end of the conical surface, and the operating cone 12 is driven downward by the push rod 20 so that the projecting pin 17 is radiated from the pin fitting hole 16 opened in the pile body 1. The pile main body 1 is firmly fixed in the soil to make it difficult to come out.
When all the projecting pins 17 completely project outside the soil of the pile body 1, the operation cone 12 hits the bottom of the cavity 11 and completes driving.
In this driving operation, a protective lid (not shown) is placed on the top of the pile body 1, and a protective lid (not shown) is hit with a hammer, and after entering the ground completely, the protective lid (not shown) The operation cone 12 is driven by the push rod 20 and the operation cone 12 is lowered. The projecting pin 17 is protruded by the inclined surface of the conical foot portion 14 of the operation cone 12 to the outer side of the pile body 1 in the radial direction by a boosting mechanism based on the principle of wedge. The pile body 1 is firmly fixed.

The pile of application of the booster mechanism with slip prevention according to the present invention is such that the protrusion pins 17 of application of the booster mechanism protrude radially from the inside of the pile body 1, and the pile body 1 is firmly fixed in the ground. It is used for fixing installations, nets, fences, standing signs, etc., but it is used for fixing toilet blinds in neighbors, blinds for blindfolds such as bathroom windows, or for timbers and snow hanging ropes for protecting trees in the garden. It can also be used as a fixed pile, and is used for fixing all outdoor installations that are conventionally required.
Therefore, as a means for making it difficult for the pile main body 1 provided for fixing what has been installed and installed outdoors to protrude, a plurality of pins 17 that are radially protruded from the center of the hollow pile main body 1 are arranged. The fitting holes 16 are opened at equal intervals in the large diameter cylindrical portion 8 of the pile body 1.
An operation cone 12 that smoothly falls directly below the hollow portion 11 of the pile body 1 is provided, the inner tip of the protruding pin 17 is applied to the inclined surface of the conical foot portion 14 of the operation cone 12, and the push rod 20 is driven by a hammer. The cone 12 is lowered.
The outer tip of the projecting pin 17 protrudes into the ground in contact with the outer surface of the pile body 1 with a force many times the driving force, that is, a powerful force generated by the boosting mechanism of the wedge action.
At this time, the pile main body 1 is held in the ground by the inner tip of the protruding pin 17 remaining in the outer peripheral wall of the large-diameter cylindrical portion 8, and becomes a pile that is difficult to come off.

It is sectional drawing before driving in the pile of a booster mechanism with a prevention of omission of the present invention. It is sectional drawing after driving in the pile of a booster mechanism with a prevention of omission of the present invention. It is a top view before driving in the pile of a booster mechanism with a slip prevention according to the present invention. It is a top view after driving in the pile of a booster mechanism with a slip prevention according to the present invention. It is sectional drawing of an operation | movement cone. It is an external view of a tent using a pile applied to a booster mechanism with a slip prevention according to the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Pile main body 2 Head 3 Flange part 4 Foot part 5 Body part 6 Large-diameter cylindrical part 7 Sharp cone 8 Large-diameter cylindrical part 9 Cone part 10 Retaining step part 11 Cavity part 12 Operating cone 13 Cylindrical trunk part 14 Cone Foot part 15 Cylindrical body part 16 Pin fitting hole 17 Extrusion pin 18 Center shaft bar 19 Through hole 20 Push bar 21 Insertion hole 22 Fitting stopper

Claims (1)

  The pile body has a flange portion at the head, and a large diameter cylindrical portion whose foot portion is expanded outward, and a sharp cone that gradually decreases in diameter from the large diameter cylindrical portion toward the distal end. And a body portion of a cylindrical body for integrally connecting the foot portion and the body portion, a large-diameter cylindrical portion that is expanded outward in the middle of the cylindrical body, and gradually from the large-diameter cylindrical portion toward the distal end. A retaining step portion having a conical portion having a smaller diameter toward the bottom is formed, and a cavity having a predetermined depth is formed concentrically from the head portion to the large-diameter cylindrical portion of the foot portion in the axial direction of the body portion. A plurality of pin fitting holes that communicate vertically from the outer peripheral surface to the cavity portion are formed at equal intervals in the circumferential direction in the large-diameter cylindrical portion of the body portion and the large-diameter cylindrical portion of the foot portion. A protrusion pin that fits into the pin fitting hole, and the protrusion pin is a large-diameter cylindrical portion of the body portion and The outer diameter of the operating cone formed in a size that comes into contact with the small-diameter cylindrical body of the operating cone from the outer peripheral surface of the large-diameter cylindrical section is fitted into the cavity. A cylindrical body portion, a conical foot portion connected to the cylindrical body portion, and a small-diameter cylindrical body portion connected to the conical foot portion, and a plurality of the operating cones are fitted and inserted into the cavity portion in series. A pile applied with a booster mechanism with slip-off prevention.

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