JP2002268594A - Pole stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pole stand which is capable of stably supporting a pole. SOLUTION: An insertion hole 4 is formed at a stand by 1 and a tapered cylindrical part 6a and a straight cylindrical part 6b are formed at a pole supporting cylinder 6 inserted into the insertion hole 4 and plural slits 7 extending in an axial direction from the top end is formed. A nut member 14 screwed and engaged with external threads 9 formed on the outer periphery of the straight cylindrical part 6b is provided with a tapered surface 6 for thrusting of the tapered cylindrical part 6a. The pole P is inserted into the pole supporting cylinder 6 and the tapered cylindrical part 6a is thrust by the tapered surface 16 by tightening of the nut member 14 and the pole P is grasped by the inward deformation in the radial direction of an elastic piece 8 formed between the slits 7, by which the pole P is stabilized.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pole stand for supporting a pole, such as a flag pole for supporting a flag or a clothesline.

[0002]

2. Description of the Related Art As a pole stand for supporting a pole such as a flagpole, a metal pipe is buried in a stand body made of a concrete block, and a lower portion of the pole is inserted into the pipe to hold the pole in an upright state. Such a configuration is conventionally known.

[0003] Incidentally, the pole stand is a heavy object, so that it is difficult to carry the pole stand.

In order to solve such inconveniences, the stand body is made of a synthetic resin molded article having a hollow inside, and a water injection port opened and closed by a cap is provided on a peripheral wall of the hollow chamber, and water is injected from the water injection port into the hollow chamber. There has been proposed a pole stand which stabilizes the stand body and inserts a lower portion of the pole into an insertion hole provided in the stand body to hold the pole in an upright state.

In the above pole stand, since the weight can be reduced by draining water from the water inlet,
It has the feature that it is easy to carry.

[0006]

By the way, in a pole stand in which the stand body is made of a synthetic resin molded product, since the support for inserting the lower portion of the pole into the insertion hole is provided,
The stability of the pole is poor, and in particular, in the case of a pole having a small outer diameter, the pole is tilted, so that it is impossible to obtain a good supporting state of the appearance, and the pole cannot be used.

It is an object of the present invention to provide a pole stand which can stably support poles having different outer diameters.

[0008]

In order to solve the above-mentioned problems, according to the present invention, an insertion hole which penetrates up and down is formed at a central portion of a stand body, and is inserted into the insertion hole to prevent the stand from falling out. A tapered tube at the top of the pole support tube
A straight tube portion that is continuous with the large diameter end of the tapered tube portion,
A plurality of slits extending in the axial direction from the upper end are provided, an external thread is formed on the outer periphery of the straight cylindrical portion, and an inner thread of the nut member having a female screw screwed to the external thread is provided on the inner periphery of the nut member. Therefore, a configuration is provided in which a tapered surface is provided that presses the tapered cylindrical portion inward when the tapered tube moves in the axial direction due to the tightening.

According to the above construction, when the lower end of the pole is inserted into the pole support cylinder with the nut member loosened, and the nut member is tightened, the taper formed on the inner periphery of the nut member is formed. The surface presses the tapered tube part of the pole support tube inward, and the elastic piece formed between the slits elastically deforms inward in the radial direction and clamps the lower part of the outer periphery of the pole,
The pole can be supported very stably, and poles having different outer diameters can be supported reliably.

In the pole stand according to the present invention,
The stand body is a synthetic resin molded product having a hollow chamber,
If a water injection port opened and closed by a cap is formed in the upper part of the peripheral wall of the hollow chamber, the stand body can be stabilized by water injection into the hollow chamber. In addition, since the weight of the stand main body can be reduced by draining water, a stand main body that can be easily carried can be obtained. In this case, if a stand is provided on the stand body,
The ease of carrying can be further enhanced.

Here, as means for retaining the pole support cylinder, a plurality of radially arranged ribs extending in the axial direction are provided at the axially central portion of the inner periphery of the insertion hole, and the pole support cylinder has a radially arranged rib. A plurality of engaging pieces that are elastically deformed radially inward by contact with the ribs when the pole support cylinder is inserted into the ribs, and that return to the shape when passing through the position of the ribs and engage with the lower ends of the ribs; By adopting a configuration in which the mating piece is engaged with the lower end of the rib and a flange that engages with the upper end of the rib, it is possible to employ an insertion-based assembling method for assembling the pole support cylinder. The pole stand can be easily assembled.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 3, the stand body 1 has a square planar shape, and the upper surface is an inclined surface that is inclined with an upward slope toward the center. The stand body 1 is made of a synthetic resin molded product, has a hollow chamber 2 inside, and a water injection port 3 which is opened and closed by a cap is formed in an upper peripheral wall of the hollow chamber 2.

An insertion hole 4 penetrating vertically is provided at the center of the stand body 1. Upper and lower portions of the insertion hole 4 are tapered holes 4a and 4b, and a plurality of ribs 5 extending in the axial direction are formed in a radial arrangement on the inner periphery of the central hole 4c between the tapered holes 4a and 4b. I have.

A bottomed pole support cylinder 6 is inserted into the insertion hole 4. The pole support cylinder 6 is divided into two parts in the axial direction to enable molding of a synthetic resin. The upper portion of the pole support tube 6 is formed with a tapered tube portion 6a and a straight tube portion 6b that is continuous with the lower large-diameter end of the tapered tube portion 6a. The pole support tube 6 has a plurality of axial slits 7 extending from the upper end to the middle of the straight tube portion 6b.
Are formed at intervals in the circumferential direction, and the adjacent slits 7
An elastic piece 8 is provided between them.

A male screw 9 is provided on the outer periphery of the straight cylindrical portion 6b. The pole support cylinder 6 is formed with a flange 10 that can be engaged with the upper end of the radially arranged ribs 5 and a plurality of engagement pieces 11 that can be engaged with the lower end of the rib 5. The engagement piece 11 is elastically deformable inward in the radial direction of the pole support cylinder 6.

When the pole support cylinder 6 is inserted into the insertion hole 4, the engagement piece 11 is elastically deformed radially inward by contact with the rib 5, and becomes radially outward when passing the lower end of the rib 5. The shape is restored to the other side and the lower end of the rib 5 is engaged. In the engaged state, the flange 10 engages with the upper end of the rib 5.

The pole support tube 6 is provided with the bottom plate 1 with respect to the lower end.
2 is held in a tubular assembled state. The bottom plate 12 is fitted in a concave portion 13 provided at the lower end of the insertion hole 4. A nut member 14 is fitted on the upper part of the pole support cylinder 6.

As shown in FIG. 4, the nut member 14 has a female screw 15 on the inner periphery which is screw-engaged with the male screw 9 of the pole support cylinder 6. A tapered surface 16 which presses the tapered tube portion 6a of the pole support tube 6 when the nut member 14 is moved in the axial direction by tightening the nut member 14 is provided on the inner periphery.
Is provided.

As shown in FIG. 1, a stand 17 is provided on the stand body 1. The support 17 extends between opposing side surfaces of a concave portion 18 formed on a part of the outer periphery of the stand body 1.

The pole stand shown in the embodiment has the above-mentioned structure. When the pole P is supported, water is injected from the water inlet 3 into the hollow chamber 2 to stabilize the stand body 1.
After the lower end of the pole P is inserted into the pole support cylinder 6 from above the nut member 14, the nut member 14 is tightened.

When the nut member 14 is tightened, the tapered surface 16 provided on the inner periphery thereof presses the tapered cylindrical portion 6a of the pole support cylinder 6, and the elastic piece 8 formed between the slits 7 is pressed inward by the pressing. And the outer periphery of the lower end of the pole P is clamped.

As described above, when the nut member 14 is tightened, the plurality of elastic pieces 8 formed between the slits 7 clamp the pole P, so that the pole P can be supported very stably and the outer diameter can be reduced. Pole P with different size
But it can be supported stably.

When changing the installation position of the pole stand, the internal water is drained from the water inlet 3 and the pole stand 17 is carried. Since the weight of the stand body 1 can be reduced by draining the water in the hollow chamber 2, the stand body 1 can be easily carried.

[0024]

As described above, according to the present invention, the elastic piece formed between the slits at the upper part of the pole support cylinder is formed radially inward by tightening the nut member after the insertion of the pole into the pole support cylinder. Since the poles are elastically deformed and clamp the poles, the poles can be supported very stably, and poles having different outer diameters can be stably supported.

Further, the stand body is a molded article of synthetic resin having a hollow chamber, and a water inlet port opened and closed by a cap is formed on the upper peripheral wall of the hollow chamber. Stabilization can be achieved, and weight reduction can be achieved by draining water. Therefore, portability can be facilitated.

Further, a flange which can be engaged with an upper end of a rib formed on an inner periphery of the insertion hole on an outer periphery of the pole support tube, and which can be deformed in a radial direction of the pole support tube, is provided at a lower end of the rib. With the provision of the engageable engagement pieces, the pole support cylinder can be assembled by a plug-in mounting method, so that the pole stand can be extremely easily assembled.

[Brief description of the drawings]

FIG. 1 is a perspective view of a pole stand according to the present invention.

FIG. 2 is a vertical sectional front view of the pole stand shown in FIG. 1;

FIG. 3 is a vertical sectional side view of the pole stand shown in FIG. 1;

FIG. 4 is a sectional view showing a state before the nut member is screwed into the pole support cylinder.

FIG. 5 is a sectional view showing a screwed state of the nut member.

FIG. 6 is a perspective view showing a pole support cylinder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand main body 2 Hollow chamber 3 Water inlet 4 Insertion hole 5 Rib 6 Pole support cylinder 6a Tapered cylinder 6b Straight cylinder 7 Slit 8 Elastic piece 9 Male screw 10 Flange 11 Engagement piece 14 Nut member 15 Female screw 16 Tapered surface 17 Supplier

Claims (4)

[Claims] An insertion hole is formed at the center of the stand body so as to penetrate vertically, and a tapered tube portion is formed above a pole supporting tube inserted into the insertion hole and prevented from falling off, and the tapered tube portion is enlarged. A straight cylindrical portion continuous to the radial end, and a plurality of slits extending in the axial direction from the upper end are provided, a male screw is formed on the outer periphery of the straight cylindrical portion, and a female screw engaged with the male screw is provided at a lower portion of the inner peripheral portion. A pole stand provided with a tapered surface on an inner periphery of a nut member for pressing the tapered tube portion inward when the nut member is moved in an axial direction by tightening the nut member. 2. The pole stand according to claim 1, wherein the stand main body is formed of a synthetic resin molded article having a hollow chamber, and a water injection port opened and closed by a cap is formed on an upper peripheral wall of the hollow chamber. 3. A means for retaining the pole support cylinder includes a plurality of radially arranged ribs extending in the axial direction at an axially central portion of an inner periphery of the insertion hole, wherein the pole support cylinder has a radially arranged rib. A plurality of engaging pieces that are elastically deformed radially inward by contact with the ribs when the pole support cylinder is inserted into the ribs, and that return to the shape when passing through the position of the ribs and engage with the lower ends of the ribs; The pole stand according to claim 1 or 2, wherein the joint piece is provided with a flange that engages with the upper end of the rib while engaging with the lower end of the rib. 4. The pole stand according to claim 1, wherein a handle is provided on the stand body.