JPH07243291A - Cover structure for movable center pillar fixing rod receiving hole - Google Patents

Abstract

PURPOSE:To prevent influence of rubber and the like infiltrating from a receiving hole on a turning base end side by turnably providing a cover body, and opening/closing the receiving hole by means of a stepped part on a turning tip side. CONSTITUTION:A movable center pillar 1 is movably hung by a hanger rail 2 via a hanging metal fitting 4 and in a lower part thereof a center pillar fixing rod 6 to be fitted into a receiving hole 5 at a specified position of a floor surface is elevalobly provided. Between both side surfaces 12b of a bracket of which an upper surface is attached to a rear surface of a base plate 10, two shafts 13 are parallelly pivoted, and a coil spring 15 is wound around to energize a cover body 14 in the upward turning direction. At the time of moving the center pillar, a main body 14a of the cover body 14 is brought into contact with a rear surface of a base plate 10, a stepped part 14c is fitted to the receiving hole 5 from below, and the stepped part 14c is energized and elastically held so as to have its upper face flush with an upper face of the base plate 10 to close the receiving hole 5. In accordance with turning of the cover body 14, the stepped part 14c is fitted to the receiving hole 5 from obliquely below.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a lid for a receiving hole of a center rod fixing rod which is provided at a lower part of a movable center column so as to be retractable.

[0002]

2. Description of the Related Art When the frontage of an opening is wide, the shutters and the like are of a multiple mounting type, and a movable center pillar is provided. It is fixed at a predetermined position, and the middle pillar is fixed by fitting a middle pillar fixing rod provided at the lower part of the middle pillar into a locking hole provided on the floor. When opening the opening, move the middle pillar to the wall side so as not to obstruct the opening, but if you leave the locking hole as it is, mud etc. will be clogged in the locking hole and the fixing rod will be inserted when fixing the middle pillar. There is a problem such as an obstacle to the. Therefore, conventionally, a lid is provided in the locking hole. 1A and 1B are side views showing a structure of a lid of a conventional locking hole, wherein FIG. 1A shows a state where a center pole is moved, and FIG. 1B shows a time when a center pole is fixed. In the locking hole a, a lid d having a diameter larger than the opening c formed in the base plate b and smaller than the diameter of the locking hole a is elastically held from below by a compression spring e. When the cover is opened, the lid d opens
The opening c is closed from below by contacting the lower surface of the toe b. However, in this structure, since the lid d is directly supported by the compression spring e, when the compression spring e rusts or the locking hole a is clogged with dust, the fitting of the fixing rod d is hindered. There was a fear. Further, the opening c of the base plate b is closed by the lid d coming into contact with the lower surface of the base plate b, which is aesthetically unfavorable. There was a problem that dust was collected on the lid d.

[0003]

SUMMARY OF THE INVENTION The present invention was devised to eliminate the above-mentioned problems, and the lid does not become stuck due to rust, clogging of dust, etc., and functions as a lid for a long period of time. It is an object of the present invention to provide a structure of a lid of a locking hole that can maintain the above. Another object of the present invention is to provide a structure of a lid of a locking hole which is excellent in terms of design and in which dust is not collected on the lid.

[0004]

In order to solve the above-mentioned problems, the technical means adopted by the present invention is a rotating tip end side below a receiving hole of a center pole fixing rod provided in a lower part of a movable center pole so as to be able to move up and down. A lid body having a step portion that fits into the receiving hole from below is rotatably provided, and the lid body is urged and supported while the step portion of the lid body is fitted in the receiving hole. It is what
Further, preferably, a recess is provided on the floor surface at the position where the center pillar is fixed,
A base plate having a receiving hole for the center pole fixing rod is placed on the recess, and a step portion is formed on the rear surface of the base plate so as to fit into the receiving hole from below on the turning front end side. The lid body is rotatably provided, and the lid body is urged and supported while the step portion of the lid body is fitted in the receiving hole.

[0005]

Since the present invention has the above-mentioned structure, the lid body is rotated according to the elevation of the center pole fixing rod provided below the center pole so as to open and close the receiving hole. ing.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an illustrated embodiment. FIG. 2 is a schematic front view of the movable center pillar,
A suspension metal fitting 4 having a plurality of rollers 3 for rolling a hanger rail 2 installed above the opening is fixed to the upper part of the movable center pillar 1, and the movable center pillar 1 is It is movably suspended from the hanger rail 2 via a suspension metal fitting 4. Middle pillar 1
In the lower part of the column, a center pole fixing rod 6 that fits into a receiving hole 5 provided at a predetermined position on the floor is provided so as to be vertically movable. In the illustrated example, the fixing rods 6 are provided at the left and right ends of the middle pillar 1 in the width direction, but one may be provided for the narrow middle pillar. However, it is preferable to provide two of them from the viewpoint of the stability of fixing the center pillar. Guide rails 7 are formed on both sides of the center pillar 1, and guide one end of a shutter panel 8. The central pillar 1 is housed on the wall side so as not to obstruct the opening when the opening is opened.

As shown in FIGS. 3 to 5, a concave portion is formed at a fixed position of the center pillar of the floor surface, and the concave portion has an upper surface 9a and a cutout portion 9b.
The box body 9 having the above-mentioned structure is fitted therein, and the rectangular base plate 10 having the receiving hole 5 for the fixing rod 6 is fixed to the upper surface 9a of the box body 9 so as to be flush with the floor surface. The receiving hole 5 is formed at the lower position of the fixed rod of the base plate 10 and has a diameter larger than that of the fixed rod 6 so that the fixed rod 6 can be inserted therethrough. The lower part of the receiving hole 5 is the upper surface 9 of the box body.
Since it corresponds to the notch 9b of a, the upper surface 9a of the box does not hinder the vertical movement of the fixed rod 6. A drain pipe 11 is extended downward on the bottom surface 9c of the box body so that water that has entered the box body 9 can escape.

At the center of the back surface of the base plate 10, a bracket 12 having a U-shaped cross section is formed from an upper surface 12a and both side surfaces 12b so that both side surfaces 12b are parallel to the moving direction of the center pillar 1. Then, the upper surface 12a is
It is attached to the back of the grate 10. Two shafts 13 are mounted in parallel between the both side surfaces 12b of the bracket 12, and a lid 14 is attached to the shaft 13 so as to be rotatable around the shaft 13. A torsion coil spring 15 is wound around the shaft 13, and biases the lid body 14 in the upward rotation direction. In the figure, reference numeral 16
Indicates a plain washer, and 17 indicates a split pin.

The lid 14 has a tongue-shaped main body 14a and a mounting piece 14 for mounting on a shaft which is formed so as to be opposed to the rotation base end side of the main body.
b, and a stepped portion 14c which is circular in a plan view and which projects from the upper surface of the body on the distal end side. The diameter of the step portion 14c is the base plate 1
The diameter of the receiving hole 5 is slightly smaller than that of the receiving hole 5, and the projecting dimension of the stepped portion 14c is substantially the same as the thickness of the base plate 10. As described above, since the lid body 14 is biased upward, the lid body 14 is moved when the center pillar is moved.
The main body 14a contacts the back surface of the base plate 10,
The step portion 14c is fitted into the receiving hole 5 from below, and the step portion 1
The upper surface of 4c is biased and elastically supported so that the upper surface of the base plate 10 is flush with the upper surface of the base plate 10 to close the receiving hole 5. Also, step 1
4c and the receiving hole 5 have a slight clearance, the lid 1
With the rotation of 4, the stepped portion 14c can be fitted into the receiving hole 5 from diagonally below.

6 to 8 show another embodiment of the cover structure of the receiving hole of the movable center pillar fixing rod, and common members are designated by the same reference numerals as those in the above-mentioned embodiments.
This one shows that one spring and one shaft are used even though it has two lids 14, and the torsion coil is formed by superposing the attachment pieces 14b on the shaft of the two lids 14 with each other. The spring 15 is attached to the shaft 13 around which the spring 15 is wound.

In the lid structure of the receiving hole of the movable center column fixing rod constructed as described above, when the opening is opened, the lid body 14 is biased with the stepped portion 14c fitted in the receiving hole 5 from below. It is held by the upper surface of the stepped portion 14c and the base spray.
The upper surface of the gland 10 is flush, and the design is excellent. When the opening is closed, the hanger roller 3 is rolled onto the hanger rail 2 by driving an electric motor (not shown), so that the center pillar 1
When the fixed rod 6 is moved down to a predetermined position and the fixed rod 6 is lowered, the fixed rod 6 applies a vertical force to the stepped portion 14c provided on the rotating front end side of the lid body 14, so that the fixed rod 6 is rotatably held. The lid 14 rotates downward about the shaft 13, and the fixing rod 6 descends in the hollow portion of the box body 9 to fix the middle pillar 1. When the fixed rod 6 is raised before the movement of the center pillar 1, the lid body 14 biased upward is rotated upward following the rise of the fixed rod 6, and the tip of the fixed rod 6 is received. When exiting from the hole 5, the stepped portion 14c of the lid body receives the receiving hole 5
To fit. In this way, the lid 14 is attached to the base plate 1
Since the shaft 13 is pivoted around the shaft 13 which is mounted close to the back surface of 0, it is assumed that dust from the receiving hole 5
The rotation fulcrum is not affected by the intrusion of water or the like. Further, since the receiving hole 5 is closed by rotating the lid body 14, the movement locus of the lid body becomes more constant as compared with the conventional spring which is held from below by a spring as shown in FIG. The receiving hole 5 in the lid 14
It is possible to provide the step portion 14c that fits in the.

In this embodiment, the two lids 14 are integrally attached to the back surface of the base plate 10 via the bracket 12 and the shaft 13 around which the torsion coil spring 15 is wound, so that Notch 9b for inserting the lid or the like on the upper surface 9a in the recess formed on the floor surface at the fixed position.
It can be constructed by a simple means in which the box body 9 having the above-mentioned structure is built in, and the base plate 10 having the lid body or the like is fixed to the upper surface 9a of the box body. Needless to say, the present invention should not be construed as being limited to the embodiments, and the means for rotating the lid body 14 and the means for urging the lid body 14 may be other means. . In the embodiment, the box 9 is provided in the recess provided on the floor, and the base plate 10 having the receiving hole 5 is provided on the box 9.
In short, there is the receiving hole 5 at the lower position of the center pole fixing rod 6,
In addition, a space may be provided below the receiving hole 5 so that the fixed rod 6 can be lowered and the lid 14 can be rotated.

[0013]

According to the invention of the present application, a lid is formed below the receiving hole of the center column fixing rod provided in the lower part of the movable central column so as to be able to move up and down, and a step portion which is fitted to the receiving hole from below is formed on the pivoting tip side. The body is rotatably mounted, and the lid body is urged and supported while the stepped portion of the lid body is fitted into the receiving hole, or the recessed portion is provided on the floor surface where the center column is fixed and the center column is fixed. A base plate on which a rod receiving hole is formed is placed on the recess, and a back plate is provided with a step portion on the rear surface of the base plate, which is fitted to the receiving hole from below on the rotating front end side. Since the lid is rotatably provided and the lid is biased and supported while the stepped portion of the lid is fitted in the receiving hole, the following special effects are obtained. (1) Since the lid is rotatably provided and the receiving hole is closed by the stepped portion on the rotating front end side, the rotating base end side is unlikely to be affected by dust or the like that has entered through the receiving hole. It is more durable than the conventional one as shown in, and can maintain the function as a lid for a long period of time. (2) Since the stepped portion of the lid body is fitted into the receiving hole from below, it is superior in design as compared with the conventional one, and dust is not accumulated in the receiving hole.

[Brief description of drawings]

FIG. 1 is a side view showing the structure of a conventional locking hole lid,
(A) shows the case where the center pillar is moved, and (b) shows the case where the center pillar is fixed.

FIG. 2 is a schematic front view of a movable center pillar.

FIG. 3 is a plan view of a floor surface at a fixed position of a center pillar.

FIG. 4 is a side view of the inside of the floor at the fixed position of the center pillar as viewed from the front.

FIG. 5 is a side view of the inside of the floor at a fixed position of the center pillar as viewed from the side.

FIG. 6 is a plan view of a floor surface at a fixed position of a center pillar showing another embodiment of a spring and a shaft.

FIG. 7 is a side view of the inside of a floor at a fixed position of a center pillar showing another embodiment of a spring and a shaft as seen from the front.

FIG. 8 is a side view of another embodiment of the spring and the shaft, as viewed from the side, inside the floor surface at the fixed position of the center pillar.

[Explanation of symbols]

 1 Movable Middle Pillar 5 Receiving Hole 6 Middle Pillar Fixing Rod 10 Base Plate 14 Lid 14c Step

Claims (2)

[Claims] 1. A lid body, in which a step portion is formed below the receiving hole of an intermediate column fixing rod provided in a lower part of a movable central column so as to be able to move up and down, and a step portion which fits into the receiving hole from below is rotated. Freely set up,
A lid structure for a receiving hole of a movable center pole fixing rod, characterized in that the lid body is biased and supported while the step portion of the lid body is fitted in the receiving hole. 2. A base plate having a recess formed in the floor surface at the position where the center pillar is fixed, and a base plate having a receiving hole for the center pillar fixing rod is mounted on the recess, and a back surface of the base plate is provided with a rotation. A lid body having a stepped portion that fits into the receiving hole from below is rotatably provided on the moving tip side, and the lid body is urged and held while the stepped portion of the lid body is fitted in the receiving hole. A lid structure for a receiving hole of a movable center pole fixing rod, which is characterized in that