JPH0120476Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a telescoping gate in which wheels such as casters are attached to a telescoping door body.

[Prior art] Conventionally, the wheels supporting the middle part of a telescoping door body are attached to the lower end of a vertical ram that does not move up and down, but the wheels that support the middle part of a telescoping door body are attached to the lower end of a diagonal ram that is rotatably connected. Telescoping gates with wheels attached to them have not been previously available.

[Problem that the invention attempts to solve]

Therefore, for example, a telescopic gate is constructed by rotatably connecting the front and rear diagonal beams and does not have a vertical beam, or even if it is equipped with a vertical beam, it may only be for decorative purposes or if it is not equipped with wheels. For telescoping gates, etc., which are located in inappropriate positions for installation, even if various previously known wheel mounting structures are applied as is, the diagonal beam will rotate as it expands and contracts. I had a problem with not being able to install it.

[Means for solving problems]

A plurality of front and rear diagonal beams each having a bent end at least on the lower side are rotatably connected at at least one intersection thereof, and
In order to solve the above-mentioned problems in a telescoping gate, the upper and lower ends of which are opposed to each other are rotatably connected, a telescoping door body is provided, and wheels are attached to this telescoping door body. As a means of the present invention, the wheel holder to which the wheel is attached is formed with a link engagement part and a fitting part separated above or below this, and the fitting part of the wheel holder is formed by: The wheel holder is rotatably fitted to arbitrary lower bent ends of the front and rear diagonal rails that are rotatably connected to face each other, and the wheel holder is installed across these lower bent ends; In addition, one end of two links of the steady rest mechanism consisting of four links provided in a substantially rhombic shape are respectively fixed to the lower bent end to which the wheel holder is attached, and each of these two links is One end of two other links is rotatably connected to the other end, and the other ends of the other two links are vertically movably engaged with the link engaging portion of the wheel holder. It is something.

[Effect]

When the telescoping door body of this telescoping gate is extended or contracted, the lower bent ends of the diagonal beams are rotated in opposite directions. However, since the wheel holder is rotatably fitted to these bent ends, the bent ends are allowed to rotate in opposite directions, allowing the telescopic door body to expand and contract. Does not interfere with operation. At the same time, the four links of the steady rest mechanism are linked by the rotation of the bent end, and the ends of two of the links are aligned along the link engagement part of the wheel holder. Move up and down. In this case, one rotatably connected upper and lower link and the other upper and lower link are rotated in opposite directions, so that the wheel holder receives forces in opposite directions from both sides thereof. Therefore, although the wheel holder can freely rotate relative to the bent end, the wheel holder itself cannot freely rotate around the bent end.
The wheel holder to which the wheels are attached will not fall, as this is prevented by the steady rest mechanism made up of the above-mentioned links.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

1 in the figure is one gatepost whose lower part is buried in the ground. A plurality of rotation support members 2 are fixed to this gate post 1, and a fixed column 3 is rotatably supported through these support members 2. In addition, 4 in FIG. 1 is a stopper attached to the fixed column 3 to prevent it from coming off from the rotation support member 2. Door support parts 5 and 6 are provided at the upper and lower parts of this fixed column 3, respectively.
is attached, and the telescopic door body 7 is connected via these.
is supported. Therefore, the extendable door body 7 can be rotated about the gate post 1 together with the fixed support 3.

The extendable door body 7 includes a plurality of front diagonal beams 8, a plurality of rear diagonal beams 9, and diagonal beams 8, 9 in front and behind these.
The upper end portion and the lower end portion are connected to an end pivoting means 10 rotatably connected to each other, and at least one intersection of the front and rear diagonal beams 8, 9.
9, and a central pivot means 11 which rotatably connects the central portions of the two.

The diagonal beam 8 located on the front side has upper and lower bent ends 8a and 8b, and at least these ends 8
A molded article having a substantially U-shape in which a and 8b are pipe-shaped (this also includes a form in which the part connecting the ends 8a and 8b is bent), and is made of a metal pipe, resin, etc. It becomes more. Note that this embodiment shows a case where the tube is made of a metal round pipe. These front diagonal beams 8 are provided at regular intervals with bent ends 8a and 8b facing rearward and tilted parallel to each other.

The rear diagonal beam 9 also has upper and lower bent ends 9a, 9b, and at least these ends 9a, 9b are pipe-shaped, approximately U-shaped molded bodies, and are made of metal pipes or Made of resin, etc. Note that this embodiment shows a case where it is made of a metal round pipe and has the same dimensions as the diagonal beam 8 described above. These rear diagonal beams 9 are provided at regular intervals with their bent ends 9a and 9b directed toward the front and opposite to the front diagonal beams 8 so as to be parallel to each other.

The end pivoting means 10 rotatably connects the opposing upper bent ends 8a and 9a and the lower bent ends 8b and 9b of the front and rear diagonal beams 8 and 9, respectively. In this embodiment, this means 10 has one bent end, for example, as illustrated in FIG.
A resin connecting member 14 with a reinforcing core rod 13 is fixed to 8a and 8b using fixing devices 12 such as rivets and screws, and a connecting member 16 is fixed to the other bent ends 9a and 9b using fixing devices 15. Part 1
The retaining head 14a of the connecting member 14 is inserted into the connecting hole 16a of No. 6, and this head 14
A neck portion 14b connected to the connecting hole 16a is rotatably slidably contacted with the connecting hole 16a.

The central pivoting means 11 is formed by disposing the diagonal beams 8 and 9 so as to be inclined in opposite directions to each other, so that the points where the diagonal beams 8 and 9 intersect when viewed from the front or rear (in this embodiment, the length of each diagonal beam is (It is exactly 1/2 part.) is connected rotatably. In this embodiment, as illustrated in FIG.
pass through the shaft 17, sandwich outer decorative members 18 made of resin at both ends of the shaft 17, and tighten the screws 19.
In addition, a spacer through which the connecting shaft 17 passes between the diagonal beams 8 and 9 (that is, a spacer consisting of a sleeve 20 made of a metal round pipe and an inner decorative member 21 made of resin fitted to both ends of the sleeve 20). It is formed by sandwiching the.

At least one wheel 22, such as a caster or a door wheel that cannot be turned, is attached to the middle position of the width of the extendable door body 7 having the above structure along the extension direction in the following manner.

In other words, 23 in FIGS. 5 to 7 is a wheel holder made of casting such as die casting, which is formed by having a link engaging portion 24 and a fitting portion 25 at a position spaced upward from the link engaging portion 24, for example. has been done. Note that in this embodiment, the link engaging portion 24 is connected to the wheel holder 23.
The fitting part 25 is formed of a long hole provided in the downward convex part of the wheel holder 23, and the fitting part 25 is formed of a hole, and the fitting part 25 is formed of a pair of facing upwards of the wheel holder 23. They are formed on each convex portion.
The wheel holder 23 is mounted across arbitrary lower bent ends 8b and 9b which are rotatably connected to each other and are rotatably fitted into the fitting holes 25, respectively. ing. This fitting allows the lower bent ends 8b and 9b to rotate in opposite directions, allowing the extendable door body 7 to extend and contract. A holding shaft 26 made of an iron pipe or the like is fixed to the wheel holding body 23 so as to pass through it in the front-rear direction, and a wheel 22 made of, for example, a caster is fixed to this shaft 26. In this embodiment, the wheels 22 are fixed to both ends of the holding shaft 26, but only one wheel 22 may be fixed, and the wheel holding body 23 and the holding shaft 26 may be fixed to each other.
It may be formed integrally with.

Further, the upper portions of the upper links 27 and 28 are individually screwed, caulked, or fixed to the lower bent ends 8b and 9b to which the wheel holder 23 is attached between or outside the fitting portions 25 and 25, respectively. It is fixed by welding, etc. These links 27,2
8 have the same length and are fixed facing in opposite directions. The upper part of a lower link 30 is rotatably connected to the lower part of one upper link 27 via a pivot 29, and the link 30 is also connected to the lower part of the other upper link 28 via a pivot 31. Lower link 3 of the same length as
The upper parts of 2 are rotatably connected. these 4
The three links 27, 28, 30, 32 are arranged in a substantially diamond shape and constitute a steady rest mechanism that prevents rotation of the wheel holder 23, and the lower portions of the lower links 30, 32 are as described above. It is engaged with the link engaging portion 24 so as to be vertically movable. This engagement is achieved by providing an engagement shaft 34 that extends through the lower portions of the lower links 30, 32 and the link engagement portion 24. The links 27, 28, 30, and 32 are all made of metal; for example, in this embodiment, they are made by cutting an extruded aluminum alloy material along a direction perpendicular to the extrusion direction. be.
Each of the pivots 29, 31, and 34 is made of metal, and 35 in FIGS. 5 and 7 is a washer made of resin.

This steady rest mechanism prevents free rotation of the wheel holder 23 about the lower bent ends 8b, 9b, thereby making it possible to stabilize the holder 23 without falling. In other words, when the telescopic door body 7 is extended, as the upper links 27 and 28 rotate upward, the lower links 30 and 32 try to move their lower parts away from each other and engage the link engaging portion 24. The wheel holder 23 is restrained by the engagement of the holder 24 and is pulled up by sliding on the holder 24. At this time, the wheel holder 23 is pulled up via the lower links 30 and 32 as shown by arrows A and B in FIG. It is fixed by opposing opposing forces. In addition, the telescopic door body 7
When retracting, as the upper links 27 and 28 rotate downward, the lower links 30 and 32
While attempting to move the lower portions toward each other, they are restrained by engagement with the link engaging portion 24,
Since this engaging portion 24 is slid and pushed down,
At this time, the wheel holder 23 is fixed by receiving opposing and opposing forces via the lower links 30 and 32, as shown by arrows C and D in FIG.

Further, a bent end 8a of the front diagonal arm 8 located at one end of the extendable door body 7 is movably supported along a guide 5a extending in the vertical direction of the support member 5, and also at the one end. The bent end 9b of the rear diagonal beam 9 located at the support member 6
It is rotatably supported. The telescopic door body 7 is supported in this manner.

Further, a movable column 36 is attached to the other end of the telescopic door body 7, and an end wheel 37 such as a caster is attached to the lower end of this column 36. Movable strut 3
Support members 38 and 39 are attached to the upper and lower parts of 6, respectively. The support member 38 is the same as the support member 5 described above, and the bent end 9a of the rear diagonal beam 9 located at the end of the telescoping door body 7 opposite to the gate post 1 is movably attached to the guide 38a. is supported by The other support member 39 is also the same as the support member 6, and includes a front diagonal beam 8 located at the end of the extendable door body 7 opposite to the gate post 1.
The bent end portions 8b of are rotatably connected. Furthermore, a grip 40 is attached to the movable column 36 to be gripped when pushing or pulling it.
A latch 41 or a latch holder (not shown) is attached. In addition, although not shown, in the case of a single-opening telescoping gate, a latch holder or the other gatepost to which a latch is attached is provided.
Furthermore, in the case of a double-opening telescoping gate, it goes without saying that the other side is provided with a gate post and a telescoping door body supported by the gate post.

Although the above-mentioned embodiment is configured as described above, in the present invention, the fixed support may be omitted and the extendable door body may be directly supported on the gate post. Then, the front and rear diagonal beams at one end on the gatepost side are approximately 1/2 in length, and their tips are connected by a pivoting means, and this pivoting section is connected to the gatepost, fixed support, etc. In addition, in the above embodiment, the diagonal beam was formed into a substantially U-shape, but instead, a diagonal beam having a substantially L-shape with a bent end only at the lower end may be used. In this case, the upper opposing ends are connected via a pivot passing through them, as in the conventional case. Moreover, the link engaging portion of the wheel holder may be formed by a shaft, and a long hole extending in the vertical direction may be provided in the lower part of the lower link, and these may be slidably engaged. Further, contrary to the above embodiment, the upper link may rotate downward when the telescoping door body is extended, and the upper link may rotate upward when the telescoping door body is retracted. Further, in the present invention, the fitting part may be provided above and apart from the link engaging part, and in this case, the steady rest mechanism is of course provided upward, contrary to the above embodiment.
Furthermore, the present invention can be applied to a telescopic gate in which the intermediate portions of the front and rear diagonal beams intersect at multiple points.

In addition, when implementing the present invention, unless it is contrary to the gist of the invention, specific structures such as diagonal beams, bent ends, wheels, wheel holders, link engaging parts, fitting parts, each link, etc. Of course, the shape, position, material, etc. are not limited to the one embodiment described above, and can be configured and implemented in various ways.

[Effect of idea]

According to the present invention, which has the configuration described in the above-mentioned utility model registration claims, the front and rear diagonal beams have a lower bent end, and these bent ends are rotatably connected. In a telescoping gate, a wheel can be attached to the lower part of the telescoping gate without interfering with the telescoping action of the telescoping door body, and stable telescoping action can be realized, and the wheels can be securely fixed.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a sectional view of the end pivoting means, FIG. 3 is a sectional view of the central pivoting means, and FIG. 4 is a partial view. FIG. 5 is a front view of the wheel mounting portion, FIG. 6 is a sectional view taken along the line - in FIG. 5, and FIG. 7 is an exploded perspective view of the wheel mounting structure. 7... Telescopic gate, 8... Diagonal beam on the front side, 8b...
...Bent end, 9... Rear diagonal beam, 9b... Bent end, 22... Wheel, 23... Wheel holder, 24
...Link engaging part, 25... Fitting part, 27,2
8, 30, 32... link, 34... engagement shaft.

Claims (1)

[Claims for Utility Model Registration] A plurality of front and rear diagonal beams each having a bent end at least on the lower side are rotatably connected at at least one intersection thereof, and
In a telescoping gate, the upper and lower ends of which are opposed to each other are rotatably connected to each other, and a telescoping door body is provided, and a wheel is attached to the telescoping door body. , is formed with a link engaging part and a fitting part separated above or below this, and the fitting part of the wheel holder is rotatably connected to face each other on the front and rear diagonal beams. The wheel holder is rotatably fitted to any lower bent ends of the lower bent ends, and the wheel holder is attached across these lower bent ends, and the runout is made up of four links provided in a substantially rhombus shape. One ends of two links of the stop mechanism are respectively fixed to the lower bent ends to which the wheel holder is attached, and one ends of the other two links are respectively fixed to the other ends of these two links. A telescoping gate characterized in that the other two links are rotatably connected and the other end portions of these other two links are vertically movably engaged with the link engaging portion of the wheel holder.