KR20170060748A

KR20170060748A - cover for manhole

Info

Publication number: KR20170060748A
Application number: KR1020150165279A
Authority: KR
Inventors: 이광현
Original assignee: 이광현
Priority date: 2015-11-25
Filing date: 2015-11-25
Publication date: 2017-06-02

Abstract

The present invention relates to a manhole cover for blocking offensive odors flowing out from a manhole and foreign matter flowing into a manhole,
A support frame in the shape of a rectangular frame;
A flange portion protruding outward along the periphery of the upper end portion of the body and being laid on the inner edge of the support frame; A cylinder having an open / close plate rotatably coupled to open or close a lower portion of the body; And
And a sieve net provided so as to be spaced apart from the lower side of the cylinder.
The manhole cover according to the present invention is installed such that the sieve mesh is spaced apart from the lower side of the cylinder so that even if a large amount of foreign matter is accumulated in the sieve cylinder, the manhole can be smoothly drained into the manhole, Can be easily removed.

Description

Cover for manhole}

The present invention relates to a manhole cover, and more particularly, to a manhole cover capable of blocking offensive odors flowing out from a manhole and foreign matter flowing into a manhole.

A manhole cover device is disclosed in Korean Patent Laid-Open Publication No. 10-2009-0014689 (published on Feb. 11, 2009, hereinafter referred to as "prior art").

The prior art

"A manhole cover device comprising a cylindrical body portion in which a stopping jaw is formed so as to catch the upper end of a manhole, an opening formed in a bottom portion of the cylindrical body, and an opening / closing device for closing the opening,

Wherein the opening / closing device comprises a first plate and a second plate provided on both sides so as to be rotatable about a rotation axis fixed to the cylindrical portion, wherein when the water is drained, Wherein the first plate is opened simultaneously with the second plate and the second plate is opened by the self weight after the first plate is opened by the counterflow pressure applied to the back surface of the first plate when the counterflow is flowing, And at least one flap stopper provided on the cylindrical portion to limit a rotation angle of the flap.

Drainage and backward flow capacity of the manhole cover device can be realized in the same manner, and odor and harmful insects can be prevented from habitat.

In the prior art, a net is provided at the upper part of the manhole cover device to prevent fallen leaves or foreign matter from entering the inside of the manhole,

There is a problem that drainage into the manhole can not be smoothly performed when a large amount of dead leaves and foreign matter accumulate on the net.

In addition, in the prior art, as the first plate of the opening and closing device is rotated to the inside of the tubular body when the opening portion is opened, there is a problem that foreign substances are caught between the first plate and the tubular body, .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

It is possible to provide a manhole cover which can block odors flowing out from the manhole and foreign matter flowing into the manhole so that the deterioration of the drainage performance due to the deposited foreign matter can be eliminated and the opening and closing operations of the opening can be smoothly performed .

According to an aspect of the present invention,

A support frame in the shape of a rectangular frame;

A flange portion protruding outward along the periphery of the upper end portion of the body and being laid on the inner edge of the support frame; A cylinder having an open / close plate rotatably coupled to open or close a lower portion of the body; And

And a sieve net provided to be spaced apart from the lower side of the cylinder.

Wherein the open / close plate is inclined so that its front end portion faces downward,

The cylinder

A hinge rotatably connecting a rear lower end of the body with a rear end of the open / close board; And

And a torsion spring having one end coupled to a rear lower end of the body and the other end coupled to a rear end of the open / close board to maintain the open / close board in a closed state.

The manhole cover according to the present invention is installed such that the sieve mesh is spaced apart from the lower side of the cylinder so that even if a large amount of foreign matter is accumulated in the sieve cylinder, the manhole can be smoothly drained into the manhole, There is an effect that it can be easily removed.

In addition, the manhole cover according to the present invention has a structure in which the open / close plate when the cylinder is opened rotates to the lower side of the cylinder as a whole, so that the open / close plate can always rotate smoothly.

1 is a sectional view showing a state of use of a manhole cover according to an embodiment of the present invention.
2 is an exploded perspective view of a manhole cover according to an embodiment of the present invention;
3 is a bottom view of a cylinder in a manhole cover according to an embodiment of the present invention.
FIG. 4 is a sectional view showing the use state of the manhole cover according to another embodiment of the present invention. FIG.
5 is an exploded perspective view of a manhole cover according to another embodiment of the present invention.
6 is a bottom view of a cylinder in a manhole cover according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3, the manhole cover according to the embodiment of the present invention comprises a support frame 100, a cylinder 200, a screen 300 and a support unit 400 .

The support frame 100 is formed of a plate-like plate member whose inside is opened up and down, and is installed at the upper end of the manhole 10.

The supporting frame 100 may have various shapes such as a rectangular frame shape or a circular frame shape depending on the shape of the manhole 10.

The support frame 100 is placed on the step 11 provided at the upper end of the manhole 10 and a known grating 500 can be placed on the upper surface of the support frame 100.

The cylinder 200 is inserted into the support frame 100,

A tubular body 210 which is opened up and down;

A flange portion 220 protruding outward along the periphery of the upper end portion of the body 210;

An opening / closing plate 230 rotatably coupled to a lower end of the body 210;

A stopper 260 for limiting the rotation angle of the opening and closing plate 230; And

And a handle 270 formed at the upper end of the inner surface of the body 210.

The body 210 is formed in a structure that its outer circumference is slightly smaller than the inner circumference of the support frame 100 and is inserted inside the support frame 100. The flange portion 220 is formed by the cylinder 200 supporting the support frame 100 So that it can be fixed to the inner edge of the support frame 100.

Also, as shown in the figure, the body 210 is formed with its lower surface inclined downward toward the front (left side in the figure), so that the opening and closing plate 230 is also inclined with its front end facing downward.

The opening and closing plate 230 is opened or closed by the lower part of the body 210 by the rotation operation.

3, the cylinder 200 is provided with a hinge 240 and a torsion spring 250 for coupling the body 210 and the opening and closing plate 230. As shown in FIG.

The hinge 240 rotatably connects the rear lower end of the body 210 and the rear end of the opening / closing plate 230.

One end of the torsion spring 250 is coupled to the rear lower end of the body 210 and the other end is coupled to the rear end of the opening and closing plate 230 so that the opening and closing plate 230 can be maintained in a closed state.

As a result, the opening / closing plate 230 is rotated by the load of water or foreign matter introduced into the body 210 to open the body 210. When water or foreign matter is discharged to the lower side of the body 210, The body 210 is restored by the elastic force of the elastic member 250 to close the body 210 again.

The stopper 260 is manufactured by bending a small plate material and is attached to the rear lower end of the body 210 so as to be adjacent to the center of rotation of the opening / closing plate 230, as shown in FIG. 1 and FIG. And a supporting portion 262 bent from the mounting portion 261 toward the lower side of the opening / closing plate 230.

The stopper 260 restricts the rotation angle of the opening / closing plate 230 by contacting the lower surface of the opening / closing plate 230 during the rotation operation of the opening / closing plate 230, The opening and closing plate 230 is prevented from colliding with the screen 300 and the impact and noise generated when the opening and closing plate 230 collides with the body 210 due to the return operation of the torsion spring 250 is reduced.

The handle 270 allows the user to easily grasp the cylinder 200 when inserting the cylinder 200 into the support frame 100 or lifting the cylinder 200 from the support frame 100.

The handle 270 may be formed in various shapes that the user can grasp and may be provided to face each other on two inner sides of the body 210.

The screen 300 is formed by entangling wires in a lattice shape and is spaced apart from the lower side of the cylinder 200 to remove foreign matter such as leaves from the water discharged from the cylinder 200.

1 and 2, the screen 300 is formed to have a wider area than the body 210 so as to stably receive water and foreign matter discharged from the cylinder 200.

As shown in FIG. 2, the screen 300 preferably includes a rectangular plate-like bottom portion 310 and a frame portion 320 protruding upward along the periphery of the bottom portion 310 However, according to this structure, since the sieve 300 has a shape similar to a tray, foreign matter can be prevented from falling into the manhole 10, and a large amount of foreign matter can be received.

The support unit 400 is for fixing the sieve 300,

Four vertical legs (410) mounted to extend downward at lower corner portions of the lower surface of the support frame (100); And

And a cross bar 420 formed at a lower end of each vertical bar 410 to receive the bar 300.

2, the crossbar 420 includes two front crossbars 420A that are bent so as to face each other at a lower end of two vertical crossbars 410 disposed in front of the two vertical crossbars 410, And two rear crossbars 420B bent to face each other at the lower end to support the front end and the rear end of the screen 300. [

As a result, the manhole cover of the present invention having the above structure is installed so that the screen 300 is spaced apart from the lower side of the cylindrical body 200, so that even if a large amount of foreign matter is accumulated in the screen 300, Or the space between the sieve 300 and the cylinder 200 can be smoothly drained into the manhole 10.

In addition, when a large amount of foreign matter is accumulated in the sieve 300, foreign substances accumulated in the sieve 300 can be easily removed after the cylinder 200 is lifted from the support frame 100 by holding the handle 270.

Hereinafter, manhole cover according to another embodiment of the present invention will be described with reference to FIGS. 4 to 6, and the same components as those of the embodiment shown in FIG. 1 to FIG. And the repetitive description of the same parts will be omitted.

As shown in FIGS. 4 to 6, the manhole cover according to another embodiment of the present invention has a structure in which the periphery of the screen 300 is slightly smaller than the inner periphery of the support frame 100.

The support unit 400 can be adjusted in accordance with the width of the sieve 300 so that the distance between the front barrel 420A and the rear barrel 420B can be adjusted according to the width of the sieve 300, And the rear barb 420B may be provided on the auxiliary barb 430 so that the barb 300 may be placed on the auxiliary barb 430.

As shown in FIGS. 4 and 5, the cylindrical body 200 is formed such that the front and rear ends of the lower surface of the body 210 are inclined downward toward the center, and the opening / So that the water and foreign matter can be discharged toward the center of the sieve 300.

According to this structure, the screen 300 has a smaller area than the inner space of the support frame 100, so that the screen 300 can be taken out of the manhole 10 together with the cylinder 200, Foreign matter can be easily removed.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The present invention is not limited thereto.

100: Support frame
200:
210: Body 220: Flange
230: opening and closing plate 240: hinge
250: Torsion spring 260: Stopper
270: Handle
300: Filter
310: bottom portion 320: rim portion
400: support unit
410: vertical pole 420: crossbar
500: Grating

Claims

A frame-shaped support frame 100;
A tubular body 210 inserted into the support frame 100 and vertically opened and protruded outward along the periphery of the upper end of the body 210 to be laid on the inner edge of the support frame 100 A cylindrical body 200 having a flange portion 220 to be opened and closed and a switching plate 230 rotatably coupled to a lower end of the body 210 to open or close a lower portion of the body 210; And
(300) spaced apart from the lower portion of the cylinder (200).

The method according to claim 1,
The opening / closing plate 230 is inclined with its front end directed downward,
The cylinder (200)
A hinge 240 rotatably connecting the rear lower end of the body 210 and the rear end of the opening / closing plate 230; And
A torsion spring 250 coupled to the rear lower end of the body 210 at one end and coupled to the rear end of the opening and closing plate 230 to maintain the open / close plate 230 in a closed state; The cover for a manhole.

The method according to claim 1,
The tubular body (200) further includes a stopper (260) for limiting a rotation angle of the opening / closing plate (230)
The stopper 260 includes a mounting portion 261 coupled to the rear lower end of the body 210 so as to be adjacent to the center of rotation of the opening and closing plate 230 and a lower portion of the opening and closing plate 230 And a support portion (262) formed to be bent toward the lower surface of the manhole cover.

The method according to claim 1,
Wherein the tubular body (200) further comprises a handle (270) formed on an upper end of an inner surface of the body (210).

The method according to claim 1,
Further comprising a support unit (400) for fixing the screen (300)
The support unit (400)
Four vertical legs (410) mounted to extend downward at corner portions of the lower surface of the support frame (100); And
And a cross bar (420) formed at a lower end of each vertical bar (410) to support the bar (300).

6. The method according to any one of claims 1 to 5,
The screen 300 includes
A plate-shaped bottom portion 310; And
And a frame part (320) protruding upward along the periphery of the bottom part (310).