JPS5833357B2 - telescopic gate - Google Patents

Description

[Detailed Description of the Invention] The present invention maintains the width between the two wheels of a two-wheeled vehicle equipped on the gate at a constant value so that the width between the two wheels of the two-wheeled vehicle installed on the gate does not become wide or narrow even when the telescoping gate expands and contracts by opening and closing, thereby smoothing the operation on the track. At the same time, we aim to automatically remove dust and dirt that adhere to the axles and the bearings of the sliding pipes that slide on the axles, thereby smoothing out the operation of the wheels on the tracks and the opening and closing of the gates. The purpose is to

The details will be explained below with reference to the drawings.
It is pivotally connected to the upper and lower two stages of the
The rear end and the rear row vertical rods 1a and 1d are connected to the front end and the front row vertical rod 1c.
, 1b are respectively pivotally connected to form a retractable link, and a plurality of vertical rods 1 at appropriate positions, and the front and rear vertical rods of the continuous rods pivotally connected to these are lengthened to an appropriate length, and the lower ends of each are extended to the lowest stage. The lower end of the protruding piece 1' of the vertical rod 1 is connected to the center of an axle 4 of a required length equipped with wheels 3 on both sides, and both sides of the axle 4 are connected. Short rods 7/ and 8/ are installed in the front and rear sliding tubes 11 and 11' which are slidably supported on the shaft, and the upper and lower pipes are attached to these, respectively. , 7.8, 8, and the front sliding tube 1
The upper and lower pipes 8, 8 of 1, and the protruding pieces 1a' of the two rear vertical rods 1a, 1d that oppose these.

Two front horizontal rods 6 whose tips are rotatably attached to 1d',
The proximal ends of 6' are connected to the upper and lower pipes 7.7 of the rear sliding pipe 11', and the tips are freely rotatable to the protrusions 1c' and 1b' of the two front vertical rods 1c and 1b that are opposed to this. Connect the proximal ends of the rear horizontal rods 5, 5' of the same length as the front horizontal rod that is loosely attached to each sliding pipe 1.
1 and 11', the insides of both ends of the shaft bearing portions are cut 9 into a tapered shape, and the bottom surface is notched 10.

In the present invention, the telescoping gate is configured as a telescoping link as described above, so the load of the telescoping gate is applied to the wheels 3 on both sides of the axle 4 via the axle 4 connected to the lower end of the vertical rod 10. By arranging an appropriate number according to the length of the telescoping gate, the telescoping gate can be supported and operated.

Therefore, the axle 4 is installed by installing front and rear sliding pipes 11 at both ends thereof.
, 11' are supported on the shaft, and short rods 7' and 8' are implanted therein.

Rotatably fit the upper and lower pipes 7, 7, 8, and 8 into the upper and lower pipes 8', respectively. , 7.8, 8 and the lower protrusions of the vertical rods in the front and rear rows 1 a/, 1 b', 1 c/, 1 d'
The axle 4 is connected via the front and rear horizontal rods 5.5' and 6.6', making it extremely sturdy, and the axle 4 is supported by the front and rear horizontal rods 5.5' and 6.6'. Because I'm there, I'm stable and don't get upset.

In addition, vertical rods 1a in the front and rear rows open and close when the telescopic gate expands and contracts.
, 1d.

1c and 1b move the front and rear sliding pipes 11 and 11' forward and backward from both ends of the axle 4 through the front and rear horizontal rods 5, 5', 6, and 61, respectively, to adjust the distance between the two wheels installed on the axle 4. Since it is held constant and does not widen or narrow, the movement of both wheels on the track and the expansion and contraction of the gate can be made smooth.

In addition, the shaft bearing portions of the sliding tubes 11, 11' are tapered outward at both ends thereof, and the bottom surface is cut out with a notch 1.
0, even if dirt adheres to the bearing part of the sliding tube, it is automatically removed and falls from the notch 10 by the left and right movement of the sliding tube 11°11'.

Therefore, the axle 4 and the bearing part of the sliding pipe are always kept clean and the sliding pipe 1
1, 11' slide smoothly, so the gate can be opened and closed smoothly.

In addition, since the front and rear horizontal rods 5.5' and 6.6' are formed to have the same length and intersect with each other, the configuration is made as small as possible, and the axle 4 is reinforced and stabilized, so that the gate This invention is useful in that it allows for smooth and good telescoping action.

[Brief explanation of the drawing]

Figure 1 is a front view of a part of the main part of the gate, and Figure 2 is a plan view of Figure 1. FIG. 3 is a perspective view of the main part, and FIG. 4 is a perspective view of the operating body with a portion cut out to display the inside. 1... Vertical rod, la, Ib, lc, 1a - longitudinal rod of front and rear rows, 2, 21... Continuous rod, 3... Wheel, 4... Axle, 5.5'... Rear Horizontal rod, 6, 6'... Front horizontal rod, 7, 8... Pipe 7/, By... Short bar, 9.
...Tapered part, 10...Notch, 11.11'...Sliding tube, 1', 1 a/, 1b', 'lc'1d'
...Protrusion.

Claims (1)

[Claims] 1. The intersection parts of the required number of upper and lower connecting rods that intersect in an X-shape in plan view are pivotally attached to the upper and lower two stages of the vertical rod, and the rear ends of the connecting rods are connected to the rear row vertical rods, and the front ends and the front row rods are connected to each other. A plurality of vertical rods are pivotally connected to each other to form a telescopic link, and a plurality of vertical rods at appropriate positions and the longitudinal rods in the front and rear rows of the continuous rods pivotally connected to the vertical rods are connected to appropriate lengths.
The lower ends of each protrude from the pivot joint of the lowermost vertical link,
The lower end of the protruding piece of the vertical rod is connected to the center of an axle of the required length equipped with wheels on both sides, and short rods are planted in the front and rear sliding tubes that are slidably supported on both sides of the axle. Then, upper and lower pipes are fitted into these, respectively, and two front horizontal rods are rotatably attached at their tips to protrusions of two rear vertical rods facing the upper and lower pipes of the front sliding tube. of the rear horizontal rod of the same length as the front horizontal rod, whose base ends are connected to the upper and lower pipes of the rear sliding pipe, and the tips are rotatably attached to the protrusions of the two front vertical rods facing the upper and lower pipes of the rear sliding pipe. A telescopic gate whose base ends are connected, the inside of both ends of the shaft bearing part of each sliding tube is cut out in a tapered shape, and the bottom surface is notched.