JP2007198063A - Dropping bar receiving tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure capable of preventing even accumulation of dust-dirt to a lower part from a bottom part of an inner cylinder, without risk of damaging with a simple structure, in a dropping bar receiving tool capable of attaching-detaching the inner cylinder to an outer cylinder. <P>SOLUTION: This dropping bar receiving tool is composed of the outer cylinder 10 fixed to the ground and the inner cylinder 11 fitted in this outer cylinder 10. The inner cylinder 10 is detachably fitted to the outer cylinder 11 by threaded engagement. A groove 15 capable of rotating the inner cylinder 11 by using a coin 16, is arranged in a top part of the inner cylinder 11. Due to being a structure for threadedly engaging the inner cylinder 11 with the outer cylinder 10, the inner cylinder 11 does not float from the outer cylinder 10, and the dust-dirt does not accumulate in a lower part of the inner cylinder 11. A tool is not required, and the inner cylinder 11 can be easily attached and detached by the coin 16. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a receptacle for receiving a dropping bar for fixing a gate, a fence, or the like in a closed state.

  In the gate, a drop bar is attached to the lower part of the end of the gate to be opened and closed, and a drop bar is attached to the ground made of concrete or the like for installing the gate, and a receiving tool for dropping the drop bar and fixing the gate is provided. Conventionally, this receiver has been fixedly embedded in the ground such as concrete. However, dust such as earth and sand accumulates in the receiver, so that the dropping bar does not fully fit into the receiving tool, and fixing of the gate door with the dropping bar becomes insufficient or impossible.

  In order to solve such a problem, in Patent Document 1, the receiver is divided into an outer cylinder and an inner cylinder, the outer cylinder is fixed to the ground, the inner cylinder is detachably fitted to the outer cylinder, A receiving tool has been proposed in which a handle (gripping tool) for pulling up the inner cylinder is attached to the top so as to be raised and lowered.

Japanese Utility Model Publication No. 4-59269

  The conventional receiver has a handle attached to the top of the inner cylinder so that it can be raised and lowered, but the dropping bar has a diameter of about 1 cm, and the handle attached to the inner cylinder is also made small in accordance with this. In addition, since the structure is complicated and the small handle is disposed at a gate installation part through which a person or an object passes, there is a possibility that the foot or the object may be damaged by a collision.

  Also, the inner cylinder is simply fitted to the outer cylinder, and the inner cylinder can move up and down with respect to the outer cylinder, and the inner cylinder rises due to, for example, the inflow of dust-containing water after long-term use. When this happens, there is a problem that dust tends to accumulate at the bottom of the bottom of the inner cylinder.

  In view of the above-described circumstances, the present invention is a drop bar holder that allows the inner cylinder to be attached to and detached from the outer cylinder, and the structure is simple and there is no risk of damage, and dust is accumulated below the bottom of the inner cylinder. It is an object to provide a structure that can prevent the above.

The holder for the drop bar according to claim 1 comprises an outer cylinder fixed to the ground and an inner cylinder fitted into the outer cylinder.
The inner cylinder is detachably fitted to the outer cylinder by screwing,
The top of the inner cylinder is provided with a groove that allows the inner cylinder to be rotated using a coin.

The drop bar receiver of claim 2 is the drop bar receiver of claim 1,
A screw part is formed on one of the inner cylinder and the outer cylinder, and a protrusion that fits into a groove of the screw part is formed on the other.

The drop bar receiver of claim 3 is the drop bar receiver of claim 2,
A groove at the end of the screw part into which the protrusion fits is formed horizontally in the innermost position of the inner cylinder.

The drop bar holder according to claim 4 is the drop bar holder according to any one of claims 1 to 3.
The inner cylinder has a ridge at the top.

  According to the first aspect of the invention, since the inner cylinder can be removed from the outer cylinder, it is possible to remove the dust in the inner cylinder by removing the inner cylinder and inverting it. Since the cylinder is detachably fixed to the outer cylinder with a screwed structure, the inner cylinder does not lift up with respect to the outer cylinder, and dust is generated between the bottom of the inner cylinder and the portion below it. Accumulation is prevented and the fixing action of the dropping bar can be secured over a long period of time.

  In addition, a groove is provided on the top of the inner cylinder so that the inner cylinder can be rotated by a coin, so the structure for rotation is simple, there is no risk of damage, and the inner cylinder can be attached and detached without the need for tools. can do.

  According to the invention of claim 2, since the screw portion is formed on one of the inner tube and the outer tube and the projection that fits into the groove of the screw portion is formed on the other, the screw portion is formed on both the inner tube and the outer tube. Compared with the case where it is provided, it is not necessary to increase the dimensional accuracy of the screw portion, and the manufacture becomes easy.

  According to the invention of claim 3, since the groove of the end (upper or lower) of the screw part into which the protrusion fits in the lowermost position of the inner cylinder is formed horizontally, when the dropping bar is raised, A force for raising the inner cylinder due to friction with the inner cylinder does not generate a component force for rotating the inner cylinder, so that the inner cylinder can be prevented from rising.

  According to the invention of claim 4, since the flange is provided on the upper portion of the inner cylinder, the strength of the inner cylinder increases, and when the inner cylinder rises with respect to the outer cylinder, the flange becomes a handle, and the inner cylinder can be easily attached and detached. It becomes.

  FIG. 1 is an example of a gate to which a dropping bar holder according to the present invention is applied. Reference numeral 1 is a column that stands on the ground 2 such as concrete, 3 is a gate that is attached to the left and right columns 1 so as to be openable and closable around a pivoting portion 4, and 5 is attached to the lower part of the tip of one gate 3 so that it can be raised and lowered A dropping bar 6 is a receptacle for fitting the dropping bar 5 and fixing the gate 3. In addition to the double door type shown in this example, the gate includes a telescopic type, a sliding door type, a folding type, and the like. In any case, a gate door fixing structure using a drop bar 5 and a receiving tool 6 is adopted.

  FIG. 2 is a side view showing an embodiment of the receiver 6 according to the present invention together with the dropping bar 5. As shown in FIG. 2, the mounting bracket 7 of the drop bar 5 is attached to the vertical rod 3 a at the tip of the gate 3 with a screw 9. The mounting bracket 7 has mounting holes 7c and 7d for the drop bar 5 in the upper and lower horizontal portions 7a and 7b, respectively, and a part of the lower mounting hole 7d is cut open so that the handle 5a of the drop bar 5 can pass through. A groove 7e is formed. When the gate 3 is dropped and not fixed by the stick 5, the handle 5 a of the drop stick 5 is placed on the horizontal portion 7 b below the mounting bracket 7, and the handle 5 a is dropped when dropping the drop bar 5 onto the support 6. Turn the handle 5a down through the groove 7e.

  As shown in FIG. 2 and FIG. 3 (A), the support 6 includes an outer cylinder 10 embedded and fixed in the ground 2 and an inner cylinder 11 that is detachably fitted to the outer cylinder 10. As shown in FIG. 4, the outer cylinder 10 has a cylindrical shape, and is provided with a protrusion 12 protruding inward by press molding on the inner surface. In addition, this protrusion 12 can be provided also by welding or attachment of another member.

  As shown in FIG. 5, the inner cylinder 11 has a screw portion 13 formed of a groove that fits into the protrusion 12 of the outer cylinder 10. In the present embodiment, a horizontal portion 13 a is provided above the screw portion 13. There is a flange 14 at the top of the inner cylinder 11, and grooves 15 are provided at two locations opposite to the flange 14. The groove 15 is for fitting the coin 16 and turning the inner cylinder 11. As shown in FIGS. 5A and 5B, the inner peripheral portion of the flange 14 forms a tapered portion 14a for facilitating the insertion of the dropping bar 5, and the groove 15 also has an insertion depth of the coin 16. In order to ensure, the inclined part 15a is provided.

  As shown in FIGS. 3 (A) and 3 (B), the receiving device 6 is configured such that the groove of the screw portion 13 of the inner cylinder 11 is formed on the outer cylinder 10 by turning the coin 16 into the groove 15 of the inner cylinder 11. The inner cylinder 11 moves up and down with respect to the outer cylinder 10 while fitting into the protrusion 12 and sliding. For this reason, the inner cylinder 11 can be fixed to or removed from the outer cylinder 10.

  The receiver 6 according to the present embodiment rotates the inner cylinder 11 to remove the inner cylinder 11 from the outer cylinder 10, turns the inner cylinder 11 upside down, and vibrates as necessary. Dust can be removed. Therefore, the fixing action of the dropping rod 5 is not impaired by the dust accumulated in the inner cylinder 11.

  In addition, since the inner cylinder 11 is detachably fixed to the outer cylinder 10 with a screwed structure, the inner cylinder 11 does not lift up with respect to the outer cylinder 10 and is formed in a lower portion of the inner cylinder 11. Accumulation of dust is prevented, and the fixing action of the dropping bar can be secured over a long period of time.

  Further, since the groove 15 is provided at the top of the inner cylinder 11 and the inner cylinder 11 can be rotated by the coin 16, the structure for rotation is simple, there is no risk of breakage, and no tools are required. The inner cylinder 11 can be attached and detached. In addition, it is possible to turn a screwdriver in the groove 15.

  When carrying out the present invention, a threaded portion may be formed on both the inner cylinder 11 and the outer cylinder 10 to be screwed together. However, since the screw part 13 is formed in the inner cylinder 11 and the projection 12 that fits into the groove of the screw part 13 is formed in the outer cylinder 10 as in the present embodiment, the dimensional accuracy of the screw part 13 is increased. There is no need, and manufacture becomes easy.

  Unlike the present embodiment, the outer cylinder 11 may be provided with a female screw and the inner cylinder 11 may be provided with a protrusion. However, if the structure in which the protrusion 12 is formed on the outer cylinder 10 as in the present embodiment, the protrusion 12 can be easily formed by press molding as compared with the case where the protrusion is provided on the inner cylinder 11 side. There is. Further, when the screw portion 13 is formed in the inner cylinder 11 as in the present embodiment, it can be easily molded from plastic, and the outer cylinder 10 can be easily manufactured from metal. However, in the present invention, the outer cylinder 10 and the inner cylinder 11 are not limited to these materials.

  Further, in the present embodiment, since the end portion (upper portion in the present embodiment) of the screw portion 13 into which the protrusion 12 is fitted in the inner cylinder 11 at the lowest position is formed horizontally, when the dropping rod 5 is raised The force for raising the inner cylinder 11 due to the friction between the drop bar 5 and the inner cylinder 11 does not generate a component force for rotating the inner cylinder 11, and the inner cylinder 11 can be prevented from rising.

  In the present embodiment, since the flange 14 is provided on the upper portion of the inner cylinder 11, the strength of the inner cylinder 11 increases, and if the inner cylinder 11 rises with respect to the outer cylinder 10, the flange 14 becomes a handle, The inner cylinder 11 can be easily attached and detached.

It is a front view which shows an example of the gate door which applies the receiving tool of the dropping stick of this invention. It is a side view which shows one Embodiment of the receiving tool of the dropping bar by this invention with a dropping bar. (A) is a perspective view which shows one Embodiment of the holder of the dropping stick by this invention, (B) is a perspective view which shows the rotation by the coin of the inner cylinder. (A) is the perspective view of the outer cylinder of this Embodiment, (B), (C) is the EE and FF sectional drawing of (A), respectively. (A) is the perspective view of the inner cylinder of this Embodiment, (B) is the longitudinal cross-sectional view, (C) is a side view which shows the screw part of the lower part.

Explanation of symbols

1: strut, 2: ground, 3: gate, 4: pivoting part, 5: dropping bar, 6: support, 7: mounting bracket, 9: screw, 10: outer cylinder, 11: inner cylinder, 12: protrusion , 13: screw part, 13a: horizontal part, 14: collar, 15: groove, 16: coin

Claims (4)

It consists of an outer cylinder that is fixed to the ground and an inner cylinder that fits into this outer cylinder.
The inner cylinder is detachably fitted to the outer cylinder by screwing,
A dropping bar holder, wherein a groove is provided on the top of the inner cylinder so that the inner cylinder can be rotated using a coin. The drop bar support according to claim 1,
A drop bar receiver, wherein a threaded portion is formed on one of the inner tube and the outer tube, and a protrusion is formed on the other of the grooved portion of the threaded portion. The drop bar support according to claim 2,
An end of the screw part into which the projection fits in the lowermost position of the inner cylinder is formed horizontally. In the receiving device of the drop stick in any one of Claim 1 to 3,
A drop bar holder, wherein the inner cylinder has a flange on its top.

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