JPH02209513A - Gate device - Google Patents

Abstract

PURPOSE:To prevent foreign matters from easily depositing and remove them forcedly at the time of closing the gate by forming contact surfaces of the lower part of gate and a door stop in the form of a slope or a curved surface, and fitting the gate at its lower part with a watertight seal capable of bending along the slope or curved surface of the door stop. CONSTITUTION:The contact surface of the lower part of gate 2 and a door stop 3 are formed in a slope or a curved surface, and the gate 2 is fitted at its lower part with a watertight seal 6 capable of bending along the slope or curved surface of the door stopper 3. Foreign matters coming up while flowing in a water path 1 shall thus flow automatically along the slope or curved surface of the contact surfaces. Mud, etc., which does not flow by its own weight is removed with bending of the watertight seal 6 along the slope or curved surface of the door stopper when the gate 2 sinks. Thereby a highly reliable gate device can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a gate device, and more particularly to a gate device suitable for use as a gate of a gate pump and in which foreign matter is unlikely to accumulate.

[Conventional technology]

The gate shape of the conventional gate device is such that the contact surface between the door body and the door stop is parallel to the direction of water flow.

FIG. 4 is a longitudinal sectional view of a conventional gate device.

In FIG. 4, 1 is a waterway, 2' is a door that moves up and down by a driving means, and 3' is a door stop that comes into contact when the door 2' is lowered. 4 is a spindle, 5 is a hoisting mechanism, these spindle 4, hoisting machine [5 is door body 2'
6' is a watertight seal.

In the conventional gate device, as shown in FIG. 4, the contact surface between the door body 2' and the door stop 3' has a planar shape parallel to the direction of water flow shown by the arrow.

In this structure, foreign matter flowing through the waterway accumulates on the contact surface, and it is necessary to remove the foreign matter when fully closing the door body.

[Problem to be solved by the invention]

In the above-mentioned conventional technology, foreign objects such as stones, open cans, mud, etc. flowing in the water stream accumulate on the contact surface between the door body and the doorstop (bottom of the water channel), making it impossible to fully close the door body. There was a problem that the water could not be shut off.

Further, the watertight seal 6' shown in FIG. 4 had no bent portion and did not have the function of removing mud from the contact portion.

The present invention has been made in order to solve the above-mentioned problems in the conventional technology, and has a shape that makes it difficult for foreign matter to accumulate on the contact surface between the door body and the door stop, and even if foreign matter accumulates, it is forced to close when the door body closes. The purpose of the present invention is to provide a highly reliable gate device that can eliminate foreign substances.

[Means to solve the problem]

In order to achieve the above object, the configuration of the first invention related to the gate device of the present invention is such that a gate body that is movable up and down by a driving means and a doorstop that is to be contacted when the door body is lowered are connected to a water channel. In the gate device, a slope portion is formed on the lower part of the door body and the inner contact surface of the door stop, and a watertight seal that can be bent along the slope of the door stop is attached to the lower part of the door body. It is something.

Further, the configuration of the second invention related to the gate device of the present invention is as follows:
Narogoo 1-A device in which a door body that moves up and down by a driving means and a door stop to be contacted when the door body is lowered are provided in a waterway, and the lower part of the door body and the inner contact surface of the door stop are provided in the waterway. A watertight seal formed in a curved shape and bendable along the curved surface of the door stop is attached to the lower part of the door body.

[Effect]

The function of the above technical means is as follows: It is.

By making the surface contact surfaces of the door body and door stop sloped or curved, foreign objects with a clear shape (
(stones, open cans, etc.) automatically flow away along the slope or curved surface of the contact surface.

No deposits on contact surfaces.

Furthermore, mud that does not flow under its own weight is removed by a watertight seal attached to the lower part of the door body that bends along the slope or curved surface of the door stop as the door body descends.

〔Example〕

Embodiments of the present invention will be described below with reference to FIGS. 1 to 3.

FIG. 1 is a vertical cross-sectional view of a gate device according to a complementary example of the present invention, and FIG. 2 is a vertical cross-sectional view of a gate device according to another embodiment of the present invention. In each figure, the same reference numerals as those in FIG. 4 are the same parts as those in the prior art, so the explanation thereof will be omitted.

Figure 1 is an embodiment showing the most basic principle of the present invention.6 In Figure 1, J is a waterway cut out by civil engineering to install a gate, and 2 is a waterway that can be moved up and down by a driving means. The door body 3 is a door stop that should be contacted when the door body 2 is lowered.

In the door stop 3 shown in FIG. 1, the contact surface that comes into contact with the lower part of the door body 2 forms an inclined surface in the direction of water flow of the waterway. and,
A slope 2a having the same slope as the slope is formed in a part of the lower part of the door body 2 which should come into contact with the slope of the door stop 3. That is, the three slopes per door, in which slopes are formed on the lower part of the door body 2 and the inner contact surface of the door stop 3, are slopes that connect the bottom surfaces of the water channels on the upstream and downstream sides of the gate.

The gate device shown in FIG. 1 provides the following effects.

Water mixed with foreign matter flows in the direction of water flow, and when passing through the slope of the door stop 3, foreign objects such as stones and open cans flow down the slope due to their own weight and do not accumulate on the contact surface, so the door body 2 is lowered. Then it comes into contact with door stop 3 and the door can be fully closed.

Next, a first embodiment of the gate device of the present invention will be described with reference to FIG. In FIG. 2, parts with the same reference numerals as in FIG. 1 are equivalent parts, so their explanation will be omitted.

In FIG. 2, reference numeral 6 denotes a watertight seal attached to the lower slope 2a of the door body 2, and this watertight seal 6 has bendable flexibility.

The gate device not shown in FIG. 2 provides the following effects.

When water mixed with foreign matter flows through water channel 1 in the direction of flow shown by the arrow and passes through the slopes 3 per household, foreign objects such as stones and cans will not accumulate on the contact surfaces as they flow down the slopes due to their own weight. . Further, when the door body 2 moves downward, the watertight seal 6 attached to the lower part of the door body 2 first comes into contact with the door stop 3. When further moved, the water damage seal 6 bends along the slope of the door stop 3 while removing mud and the like adhering to the contact surface, and comes into close contact with the door stop 3.

The door body 2 can be completely closed.

Furthermore, due to the water level difference that occurs across the door body 2, the door body 2 comes to be in even better contact with the door stop 3.

According to this embodiment, it is difficult for foreign matter to accumulate on the contact surface between the door body and the door stop, and it is removed, and the door body can be fully opened reliably, so that leakage from the gate can be minimized, and the gate Improved reliability.

Next, a second invention related to the gate device of the present invention will be explained with reference to FIG.

FIG. 3 is a longitudinal sectional view of a gate device according to still another embodiment of the present invention. In the figure. Components with the same reference numerals as those in FIG. 4 are the same parts as in the prior art, so their explanation will be omitted.

In FIG. 3, 2A is a door that moves downward by a driving means, and 3A is a door stop that comes into contact when the door 2A is lowered.

In the door stop 3A shown in FIG. 3, the contact surface that comes into contact with the lower part of the door body 2A is formed in a curved semi-cylindrical surface. Then, the door body 2Δ that should be in contact with the semi-cylindrical surface of the door stop 3A
A concave curved contact surface is formed at the lower end.

The gate device shown in FIG. 3 provides ninth-order effects.

Water mixed with foreign matter flows through the waterway J in the direction of flowing water shown by the arrow, and when passing through the semi-cylindrical surface of the door stop 3A, it flows away along the smooth curved surface and does not accumulate on the contact surface. The door body 2A descends and contacts the door gate 3A, allowing the door to be fully closed.

Although not shown in Fig. 3, if a bendable watertight seal is installed at the bottom of the door body 2A, it will bend while removing mud etc. that adheres to the contact surface, and the door will come into close contact with the door stop 3A. Fully close body 2A.

Improve gate reliability.

〔Effect of the invention〕

As described above, according to the present invention, the contact surface between the door body and the door stop has a shape that makes it difficult for foreign matter to accumulate, and even if foreign matter accumulates, the foreign matter can be forcibly removed when the door body closes. A highly reliable gate device can be provided.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional view of a gate device according to an embodiment of the present invention, FIG. 2 is a longitudinal cross-sectional view of a gate device according to another embodiment of the present invention, and FIG. 3 is a longitudinal cross-sectional view of a gate device according to another embodiment of the present invention. FIG. 4, a vertical cross-sectional view according to another embodiment, is a vertical cross-sectional view of a conventional gate device. 1...Waterway, 2,2A...Door body, 3,3A...Door stop, Akira) Figure 4--Shishu hunting process

Claims (1)

[Claims] 1. In a gate device provided in a waterway with a door that moves up and down by a driving means and a door stop that comes into contact with the door when the door is lowered, the lower part of the door and a gate device, characterized in that slope portions are formed on both contact surfaces of the door stop, and a watertight seal that can be bent along the slope of the door stop is attached to the lower part of the door body. 2. In a gate device which is provided in a waterway with a door that moves up and down by a driving means and a doorstop that comes into contact with the door when the door is lowered, both the lower part of the door and the doorstop are in contact with each other. A gate device characterized in that a watertight seal having a curved surface and bendable along the curved surface of the door stop is attached to the lower part of the door body.