JP2001207762A - Cap structure of caster receiving metal fitting in extensible/contractible gate door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cap structure of a caster receiving metal fitting in an extensible/contractible gate door capable of easily covering and hiding the receiving metal fitting of casters. SOLUTION: In this extensible/contractible gate door 1 where a an opening part between a suspension side column 2 and a door stop column 3 is opened and closed by a freely extensible/contractible gate door, the gate door 1 is constituted by being connected by plural links 7 by pantographically assembling stiles respectively formed in a frame body shape and plural vertical sash bars 6, and is expandably and contractibly moved by the casters 12, a receiving metal fitting 16 having a fixing part 16a fixed to a side surface by screw fastening, an overhang part 16b overhanging to the side from the fixing part 16a and a cylindrical female screw part 16c arranged on the tip of the overhang part 16b, is installed in a side surface lower part of the stiles or the sash bars. A shaft 15 of the casters 12 is thread-mounted on the female screw part 16c. A synthetic resin cap 18 is put on the receiving metal fitting 16 from above. A projection 23 pressed in the female screw part 16c is formed in an inside upper part of this cap 18.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telescopic gate which is provided between a hanging column and a door stop column and which can be opened and closed by expansion and contraction. The cap structure.

[0002]

2. Description of the Related Art In this type of telescopic gate, an opening between the gate columns is opened and closed by expansion and contraction. However, since the weight of the gate itself cannot be supported only by the hanging column, a caster is attached to a lower portion of the gate. It is configured to extend and contract while traveling on casters. A shaft is arranged on the caster in addition to the rotating shaft of the wheel, and the shaft is screwed and fixed to a receiving bracket provided on a frame or a crosspiece of a gate.

[0003]

However, in such a mounting structure, it is necessary to paint the receiving bracket in appearance. Instead of painting, a method of attaching a cap to the receiving fitting to cover and hide the receiving fitting is conceivable, but in that case, fixing the cap with screws or the like is troublesome.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned disadvantages and to provide a cap structure of a caster receiving fitting in a telescopic gate capable of easily covering a caster receiving fitting.

[0005]

In order to solve the above-mentioned problems, a cap structure of a caster receiving bracket in a telescopic gate according to the present invention comprises a telescopic gate disposed between a suspension column and a door stop column. The opening between the hanging pillar and the door stop pillar is opened and closed by expansion and contraction, and the above-mentioned gates are assembled in a pantograph shape with the frame at both ends formed in a frame shape and a plurality of vertical bars arranged therebetween. In a telescopic gate that is configured to be connected by a plurality of links, and that expands and contracts by a caster, a lower portion of the side surface of the frame or the crosspiece has a fixing portion fixed to the side surface by screws, and a projecting portion that projects laterally from the fixing portion. And a receiving member having a cylindrical female screw portion provided at the tip of the overhang portion, and the shaft of the caster is screwed to the female screw portion, and the receiving metal member is combined with the receiving metal member. Covered with fat caps from above,
A protrusion which is press-fitted into the female screw portion is formed on an upper inside of the cap.

[0006]

FIG. 1 shows a telescopic gate according to the present invention, wherein a telescopic gate 1 is disposed between a suspension column 2 and a door stop column 3, and a telescopic gate is provided as shown in FIG. Main pillar 2 and door stop pillar 3
The gate 1 is opened and closed by opening and closing the gate 1, and the hanging frame 4 provided at one end of the gate 1 is connected to the hanging pillar 2.
It is connected so that it can be opened and closed by turning around (rotating in the horizontal direction).

In the gate 1, a plurality of vertical bars 6 are arranged between the hanging frame 4 and the door stop frame 5 at both ends, and these frames and the vertical bars 6 are formed in an elongated frame shape. A plurality of links 7 arranged in a pantograph shape are arranged in the opening, and the intersections of the links 7 having different directions are connected by a rotating shaft 8, and the rotating shafts 8 correspond to the upper and lower rows every other row. As shown in FIG. 3, both ends of the suspension frame 4, the door stop frame 5, and the vertical rail 6
Is slidably engaged with a guide groove 9 formed along the longitudinal direction of the guide. However, the center rotating shaft 8a is fixed to the hanging frame 4, the door stop frame 5, and the vertical rail 6, and is configured not to slide. Thereby, the gate 1 expands and contracts while the rotating shaft 8 except the fixed shaft 8a slides vertically along the hanging frame 4, the door stop frame 5, and the guide groove 9 of the vertical bar 6.

The door stop frame 5 is provided with a lock 11a interlocking with the handle 10, and the door stop post 3 is provided with the lock 11a.
There is provided a rod-shaped lock receiver 11b for locking to a.

Next, the door stop frame 5 of the gate 1 and the intermediate vertical rail 6
A pair of left and right casters 12 is attached to the lower part of
The gate 1 is configured to extend and contract while being supported by the casters 12.

That is, the caster 12 is provided with a shaft 15 for supporting the rotating shaft of the wheel 13 at an eccentric position, and the shaft 15 is provided with a male screw.

On the other hand, as shown in FIG. 4 and FIG. 5, a receiving bracket 16 of a caster 12 is fixed to the lower part of the side surface of the door stop frame 5 and the vertical bar 6. Bracket 16
Are a fixing portion 16a screwed and fixed to the side surface, a projecting portion 16b projecting laterally from the fixing portion 16a, and a cylindrical female screw portion 16 provided at the tip of the projecting portion 16b.
c. The female screw portion 16c is set to have a dimension longer than the length of the shaft 15. In addition,
A slide groove 17 is formed between both side ends of the fixing portion 16 a of the receiving bracket 16 and the side surfaces of the door stop frame 5 and the vertical rail 6. Then, the shaft 15 of the caster 12 is screwed to the female screw portion 16c of the receiving bracket 16, and the height is adjusted according to the degree of screwing.

The receiving bracket 16 cuts a long extruded material such as aluminum having a cross section shown in the drawing into a predetermined length, and the two receiving brackets 16 are vertically symmetrical by being turned upside down. What is necessary is just to fix to the frame 5 and the vertical bar 6.

A cap 18 made of synthetic resin is attached to the receiving bracket 16. As shown in FIGS. 6 and 7, the cap 18 is formed in a box shape whose lower side and one side are open, and a side plate 19 having a substantially U-shaped cross section, an upper plate 25,
And a protruding piece 20 arranged at a right angle inward from one of the opposed side plates 19. Further, the space between the curved portion 21 of the side plate 19 and the projecting piece 20 is formed to such an extent that the cylindrical female screw portion 16c of the receiving bracket 16 is inserted, and the end of the projecting piece 20 and the other side plate 19 are formed. Is formed slightly larger than the thickness of the overhang portion 16b of the receiving bracket 16. One end of the side plate 19 is formed so that one is longer than the other and is shifted from the other, and small-width protruding edges 22 are formed on both sides of the opening 24 between the ends.
The protruding edge 22 is set to a size that can be engaged with the slide groove 17 of the receiving bracket 16. Further, a cross-shaped projection 23 is formed on the back side of the upper plate 25 corresponding to the portion where the female screw portion 16c of the receiving fitting 16 is inserted, so as to project downward. The protrusion 23 is large enough to be pressed into the female screw portion 16c, and has a slightly smaller tip.

In the above configuration, when the cap 18 is attached to the receiving member 16, as shown in FIG. 4, the opening below the receiving member 16 is put on the receiving member 16, and the curved portion 21 of the side plate 19 and the projecting piece are formed. The cylindrical female screw portion 16c is slid downward in correspondence with the space between the cylindrical female screw portion 16 and the cylindrical female screw portion 16c. At this time, as shown in FIG.
2 slide groove 17 on both sides of fixing portion 16a of receiving bracket 16
At the same time, the cap 18 is slid from above so that the projecting portion 16b of the receiving member 16 is sandwiched between the inner protruding piece 20 of the cap 18 and the side plate 19. When the end of the cap is approached, the projection 23 inside the cap 18 and the female screw portion 16c of the receiving bracket 16 are engaged.
6c may be press-fitted. The shaft 15 of the caster 12
Even if the screw is deeply screwed into the female screw portion 16c, the protrusion 23 can be inserted into the female screw portion 16c because the upper portion still has a dimensional margin.

According to the above-described cap structure of the caster 12 receiving fitting 16, the cap 18 slides from above the receiving fitting 16, and the projection 23 receives the female screw portion 16 of the receiving fitting 16.
Since it can be fixed only by press-fitting it into c, the mounting work is simple.

Further, the caster 12 is
Since the receiving bracket 16 can be covered and hidden, there is no need to paint the receiving bracket 16.

Further, since the receiving bracket 16 has a structure obtained by cutting a long extruded material, it can be symmetrically attached to the left and right of the door stop frame 5 or the vertical bar 6, and can be manufactured at low cost. Can be.

[0018]

According to the first aspect of the present invention, the caster shaft is screwed onto the female screw portion of the receiving fitting, and the receiving fitting is covered with the synthetic resin cap 1 from above.
Since a projection that is press-fitted into the female screw portion is formed on the inner upper portion of the cap, when attaching the cap to the receiving fitting, the cap may be strongly pressed to press-fit the projection into the female screw portion. As described above, since the projection can be fixed only by press-fitting the female screw portion of the metal fitting, the mounting operation is simple.

According to the second aspect of the present invention, a slide groove is formed between the side surface of the frame or the crosspiece and both side ends of the fixing portion to engage with the side edge of the opening formed in the cap. Therefore, the lower opening portion of the cap is placed on the metal fitting, and both side edges of the opening on the side of the cap are engaged with the sliding grooves on both sides of the fixing portion of the metal fitting to slide the cap from above. . Since the protruding edge of the cap engages the slide groove, the mounting strength of the cap is greater.

[Brief description of the drawings]

FIG. 1 is a perspective view of a telescopic gate 1;

FIG. 2 is an explanatory view of an open / closed state of a gate.

FIG. 3 is a cross-sectional view of a frame and a vertical rail.

FIG. 4 is a perspective view of a caster portion.

FIG. 5 is a cross-sectional view showing a state in which a cap is attached.

FIG. 6 is a perspective view of a cap.

FIG. 7 is a front view of the cap.

[Explanation of symbols]

 12 Caster 15 Shaft 16a Fixed part 16b Overhang part 16c Female screw part 18 Cap 23 Projection

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Hiroki Yoshihisa 1-11-1 Osaki, Shinagawa-ku, Tokyo Nippon Light Stock Company F-term (reference) 2E038 AA00 CA05 CB00 DC01 DE04 DK05

Claims (2)

[Claims] 1. A telescopic gate is disposed between a hanging pillar and a door stop pillar, and an opening between the hanging pillar and the door stop pillar is opened and closed by expansion and contraction. Frames at both ends formed in a body shape and a plurality of vertical rails arranged between them are connected by a plurality of links assembled in a pantograph shape, and in a telescopic gate door which expands and contracts by casters, at the lower side of the side of the frame or the rail A receiving metal fitting having a fixed portion screwed and fixed to the side surface, a projecting portion projecting sideways from the fixing portion, and a cylindrical female screw portion provided at the tip of the projecting portion is attached, The caster shaft was screwed into the female screw portion, and a synthetic resin cap was placed over the receiving metal fitting from above, and a projection to be pressed into the female screw portion was formed on the upper inside of the cap. Especially The caster bracket cap structure at the telescopic gate to be featured. 2. A telescopic gate according to claim 1, wherein a slide groove is formed between a side surface of the frame or the crosspiece and both side ends of the fixing portion so as to engage with a side edge of an opening formed in the cap. Caster bracket cap structure.