WO2016003045A1

WO2016003045A1 - Grating having function for blocking sewage and odor

Info

Publication number: WO2016003045A1
Application number: PCT/KR2015/002352
Authority: WO
Inventors: 김춘식
Original assignee: 주식회사 새온누리그린테크
Priority date: 2014-07-02
Filing date: 2015-03-11
Publication date: 2016-01-07
Also published as: KR200475383Y1

Abstract

The present invention relates to a grating having a function for blocking sewage and odor and, more specifically, to a grating having a function for blocking sewage and odor, in which an opening and closing plate is provided at the grating, provided at the upper part of a sewer and having a sewage inflow hole formed therein, so as to open or close the sewage inflow hole such that the grating maintains, at normal times, a state in which the sewage inflow hole is closed by the opening and closing plate, prevents sewage from flowing into the sewer, and simultaneously blocks odor generated from the inside of the sewer, and opens the sewage inflow hole by the weight of the sewage so as to allow the sewage to be smoothly drained when the sewage flows into the sewage inflow hole as if it is raining.

Description

Grating with dirt and odor blocking

The present invention relates to a grating having a function of blocking dirt and odors, and more particularly, is installed at an upper part of a sewer, and is provided with an opening and closing plate so that the sewage inlet can be opened or closed in a grating having a sewage inlet formed therein. While the sewage inlet is closed by the opening and closing plate, it prevents the inflow of dirt into the sewage and blocks the odor generated from the inside of the sewage.If the sewage flows into the sewage inlet as in rainy weather, The present invention relates to a grating having a dirt and odor blocking function to smoothly drain water while the sewage inlet is opened.

In general, drainage is installed in the basement along the edge of the road so that sewage such as rainwater on the road can be smoothly flowed into the river, and drains are provided at intervals for inflowing sewage into the drainage to the upper side of the drainage. Rainy weather does not accumulate on roads in rainy weather and is smoothly discharged.

Most sewers installed on the road as described above are provided with a sewer cover made by grating or welding steel cast or cast into a grid shape to prevent pedestrians from falling into the sewer, and a plurality of sewer inlets formed on the sewer cover. Through the sewage to smoothly flow into the drain.

By the way, the conventional gutter or the sewer cover made of concrete is generally manufactured in an open structure so that the inside of the sewer can be seen through the sewer inlet of the sewer cover, and a relatively large garbage or dirt by the sewer cover Filtered but small-sized cigarette butts and rubbish are easily introduced into the sewer through the sewer inlet and accumulate under the sewer.

In this way, if various sewage flows repeatedly and the sediment accumulation amount in the sewer increases, the drainage path connected to the sewer is blocked, and when the inflow of sewage rapidly increases, such as a heavy rain, the sewage flows back to the outside. The phenomenon may occur.

In addition, through the open sewage inlet, the odor generated from the inside of the sewage spreads to the atmosphere as it is, and various harmful insects that can cause infectious diseases such as flies and mosquitoes that live in the sewers are leaked to the outside and damage to people. Occurs.

On the other hand, depending on the place to reduce the damage caused by odors or harmful insects by covering a rubber plate or jangpan on the sewer cover, but there is a problem that the rainwater damage to the road to prevent rainwater from entering the sewer when a lot of rain.

In order to prevent the inflow of dirt among the various problems described above, in order to filter cigarette butts or small-sized garbage at the bottom of the drain cover, a wire mesh structure may be additionally installed.

However, in the conventional method of installing the sieve, since the sieve is installed at the bottom of the sewer cover, the place where the contaminants accumulate is located far from the ground surface, so that the hand is inserted between the narrow spaces of the sewer inlet formed in the sewer cover. Dirt cannot be collected simply. In this case, by using the forceps that can be inserted between the narrow space of the sewage inlet, the wastes are collected one by one, or by using a method of collecting the sewage cover and collecting the wastes, there is a problem that takes a lot of time and labor.

In addition, as the above-mentioned waste can not be easily collected as it is left unattended for a long time, the accumulated dirt is decayed, odor is generated, and the appearance of dirt is easily observed can cause damage to the urban aesthetics.

The conventional method of installing the strainer is still a method that can be prevented by the odor and harmful insects occurring inside the sewer is not open to the inside and outside of the sewer, so improvement is required.

Meanwhile, as a related art related to the sewer cover, Utility Model Registration No. 20-0361514 (Registration Date: 2004.08.31.), Patent Registration No. 10-0734610 (Registration Date: June 26, 2007), and registered patent Publication No. 10-1208359 (Registration Date: 2012.11.29.) And the like has been proposed, but the prior art only solves some of the many problems described above.

In addition, the above-mentioned prior arts require an additional device with a complicated structure that prevents odor and prevents inflow of dirt, in addition to the existing sewer cover (steel grating, concrete cover, etc.), and thus, complicated manufacturing process due to the manufacture of the device, and a large additional cost. There is a problem that occurs.

In addition, since the additional devices of the prior art are also installed in the bottom of the existing sewer cover, there is a lot of difficulty in removing dirt accumulated under the sewer cover as described above.

The present invention has been made to solve the problems of the prior art as described above, the object of the present invention is installed on the top of the sewer and is provided with an opening and closing plate to open or close the sewage inlet in the grating formed with the sewer inlet. In general, while keeping the sewer inlet closed by the opening and closing plate, it prevents the inflow of dirt into the sewer and prevents bad smells generated from the inside of the sewer, as well as the harmful insects inhabiting the sewer. When the sewage inlet is introduced into the sewage inlet, such as during rainy weather, the sewage inlet is opened by the weight of the sewage, thereby providing a grate having a dirt and odor blocking function for smooth drainage.

In addition, another object of the present invention is that the opening and closing plate is made of a simple structure is easy to manufacture the opening and closing plate, it is possible to manufacture the opening and closing plate at a low cost, only the existing opening and closing plate in a simple process without replacing the existing grating installed It can be installed and used at the same time, and when the switchboard is damaged or abnormal, it is necessary to replace only the damaged switchboard among the plurality of switchboards, thereby providing a grating having a dirt and odor blocking function which can reduce the maintenance cost of the grating. Is in.

In addition, another object of the present invention is to provide an opening and closing plate in the upper part of the grating inside the dirt to be accumulated on the grating can easily collect the dirt has the effect of improving the urban environment and at the same time the sewage pipe inside the sewer is blocked. It is to provide a grating having a dirt and odor blocking function which can be prevented.

In order to achieve the object as described above, the grating having a dirt and odor blocking function according to the present invention, in the grating to cover the sewer installed so that the sewage is discharged to the edge of the road side, the outer frame formed in a shape that can be seated on the top of the sewer and; A plurality of bearing bars installed inside the outer frame at regular intervals so that sewage inlets are formed in spaces spaced apart from each other; A plate member having a shape corresponding to the shape of the sewage inlet, the opening and closing plate sealing the sewage inlet; The opening and closing plate is rotated and one end is fixedly coupled to the bottom surface of the opening and closing plate to open and close the sewage inlet, the other end is supported on the inner surface of the outer frame or the bearing bar, the spring spring elastically supporting the opening and closing plate ; Including, but the opening and closing plate is configured to include a fitting coupler provided on the bottom surface so that one end of the leaf spring is fitted and fixed, the fitting coupler, the main fitting coupler formed on the other side in the width direction of the opening and closing plate, And an auxiliary fitting coupler formed in the widthwise center portion of the opening and closing plate, wherein the leaf spring has one end fitted to the fitting coupler and fixedly coupled thereto, and the other end is welded to the inner surface of the outer frame or the bearing bar. When the sewage inlet flows into the sewage inlet, the opening and closing plate is rotated downward by the weight of the introduced sewage, the sewage inlet is opened, and when there is no inflow of sewage into the sewage inlet, the opening and closing plate is the plate. It is rotated upward by the elastic force of the spring, characterized in that the sewage inlet is closed.

In addition, the grating having a dirt and odor blocking function according to the present invention, a plurality of spaced apart at regular intervals in a direction crossing the bearing bar in the inner side of the outer frame, is located on the top of the opening and closing plate to the leaf spring Crossbars that engage with the opening and closing plate so that the maximum rotation distance to the upper side of the opening and closing plate is limited when the opening and closing plate is rotated upward; It further comprises.

In addition, the grating having a dirt and odor blocking function according to the present invention, the opening and closing plate, a hinge groove formed on one side of the width direction at each end of the longitudinal direction, and one end is fixed to the hinge groove and the other end is outward It further comprises a hinge pin protruding to the outer frame, the other end of the hinge pin is inserted into the upper portion is formed a plurality of connection holes are hinged, the leaf spring, the central portion in the longitudinal direction is bent It is formed in a 'b' shape, the width direction is curved to have a cross-sectional shape convex outward, the fitting coupling is characterized in that provided in the central portion in the longitudinal direction of the bottom surface of the opening and closing plate.

In addition, the grating having a dirt and odor blocking function according to the present invention, the opening and closing plate is made of a synthetic resin material to prevent rust, can adopt a variety of colors, can be used in advertising by inserting letters or pictures It is characterized by being.

The grating having a dirt and odor blocking function according to the present invention by the configuration as described above, when the opening and closing plate provided in the grating is configured to open or close the sewage inlet, when there is no inflow of sewage into the sewage inlet as usual. When the sewage inlet is kept closed, the wastewater is prevented from being introduced into the sewer and the odor generated inside the sewage is prevented from being discharged to the outside of the sewer. As the switchboard is rotated downward by the weight of the sewage inlet, the sewage inlet is opened to facilitate drainage.In case of heavy rainfall, the stream overflows due to the closure of the sewage inlet by the switchboard. Has the effect of preventing.

In addition, the grating having a dirt and odor blocking function according to the present invention, to reduce the discomfort of pedestrians by making the bottom of the sewer not visible, and to prevent harmful insects such as flies and mosquitoes to flow out of the sewer, creating a pleasant urban environment There is.

In addition, the grating having a dirt and odor blocking function according to the present invention, the structure of the opening and closing plate is simple and easy to manufacture, the opening and closing plate is made of a flexible elastic material is easy to install in the grating, it can be produced at a low cost It is much more economical in terms of cost and time than manufacturing an additional device with a complicated structure as in the prior art, and it is possible to obtain a high cost-effective effect because only a switching plate can be installed and used in a simple process in the existing grating structure. have.

In addition, the grating having a dirt and odor blocking function according to the present invention, since the dirt is accumulated in the upper end of the grating as the opening and closing plate is provided on the upper end of the grating, the cleaner can easily collect the dirt so that the drainage path inside the sewer is blocked. There is an advantage that can be prevented.

In addition, the grating having a dirt and odor blocking function according to the present invention, when the opening or closing plate is damaged or abnormalities can be replaced only the opening and closing plate is damaged without replacing the entire grating has the advantage of low maintenance costs There is this.

In addition, the grating having a dirt and odor blocking function according to the present invention, the material of the opening and closing plate is made of a synthetic resin material not only to prevent rust, but also to improve the appearance of the city by adopting a variety of colors of the opening and closing plate There is an advantage to get.

1 is a perspective view of a grating having a dirt and odor blocking function according to an embodiment of the present invention

Figure 2 is an exploded perspective view of the grating having dirt and odor blocking function according to an embodiment of the present invention

Figure 3 is a perspective view of the main part of the grating having a dirt and odor blocking function according to an embodiment of the present invention

Figure 4 is a state diagram when there is no sewage inflow to the grating having a dirt and odor blocking function according to an embodiment of the present invention

5 is a state diagram when there is sewage inflow to the grating having a dirt and odor blocking function according to an embodiment of the present invention

Figure 6 is an exploded perspective view of the grating having a dirt and odor blocking function according to another embodiment of the present invention

Figure 7 is an enlarged view of the main part of the grating having a dirt and odor blocking function according to another embodiment of the present invention

1, 2 grating

10, 10 'outer frame

11 connecting hole

12 First seating groove

13 Inner side of outer frame

20 bearing bar

21 sewage inlet

22 2nd seat home

23 Inner side of bearing bar

30, 30 'opening and closing board

31 hinge groove

32 hinge pins

33 Fitting Splice

40, 40 'leaf spring

50 crossbars

S sewage

W welding

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail grating (hereinafter referred to as "grating") having a dirt and odor blocking function according to the present invention.

1 is a perspective view of a grating according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the grating according to an embodiment of the present invention, Figure 3 is a perspective view of the main part of the grating according to an embodiment of the present invention, 4 is a state diagram when there is no sewage inflow in the grating according to an embodiment of the present invention, Figure 5 is a state diagram when there is a sewage inflow in the grating according to an embodiment of the present invention.

1 to 5, the grating 1 according to an embodiment of the present invention covers the upper part of the sewer installed to discharge the sewage at the edge of the roadside, the outer frame 10, the bearing bar 20, The opening and closing plate 30, the leaf spring 40, and comprises a crossbar (50).

The grating 1 according to an embodiment of the present invention is the outer frame 10 formed in a shape that can be seated on the sewer top, and a plurality of the inner space of the outer frame 10 is installed at a predetermined interval apart from each other The bearing bar 20 to form the sewage inlet 21 is spaced apart from each other to form an outer frame of the grating 1.

On the other hand, the grating having a dirt and odor blocking function according to the present invention can be carried out in the grating having a variety of appearances, such as square, round, trapezoid and rhombus, in one embodiment of the present invention having a rectangular shape of the appearance among the various The grating 1 has been described with reference to the drawings.

In addition, in one embodiment of the present invention, the shape of the sewage inlet 21 is a rectangular shape in the drawings, but is not limited thereto, and may be formed in various forms according to the shape of the grating 1.

The outer frame 10 is formed with a plurality of rectangular inlet sewage inlet 21 is formed by the bearing bar 20 in one embodiment according to the present invention.

In addition, the outer frame 10 is formed with a connection hole 11 and the first seating groove 12, respectively, to couple the opening and closing plate 30 and the crossbar 50.

The connecting hole 11 has a plurality of hinge pins 32 to be described later are inserted into the inner side of the outer frame (1) to be hinged.

That is, the connection hole 11 is installed to face each other on the upper side of both sides in the longitudinal direction of the outer frame 10, as shown in Figure 2, the sewage inlet 21 on each side of the outer frame 10 It is formed in the same number as the number of the sewage inlet 21 at intervals corresponding to the width of).

The hinge pin 32 is inserted into and supported by the connection hole 11 formed as described above, and the opening and closing plate 30 is hingedly connected to the outer frame 10 to be rotatable.

On the other hand, the connection hole 11 is preferably formed of a diameter larger than the diameter of the hinge pin 32 so that the hinge pin 32 can be rotated smoothly in the inserted support state.

As shown in FIG. 2, the first seating grooves 12 are formed in a plurality at regular intervals to form a pair so as to face each other at the upper ends of the outer frame 10 in the width direction.

The crossbar 50 is seated and fixed to the first seating groove 12 formed as described above.

The bearing bar 20 is provided with a plurality of the inner side of the outer frame 10 serves as a support for preventing the outer deformation of the outer frame 10 and at the same time to form a plurality of the sewage inlet (21).

In addition, the bearing bar 20 has a second seating groove 22 to which the crossbar 50 is seated and fixed.

The sewage inlet 21 is formed by installing the bearing bar 20 on the outer frame 10, and its size and number may vary depending on the number of the bearing bars 20 installed.

As shown in FIG. 2, the second seating grooves 22 are formed at the same positions and intervals so as to be aligned with the first seating grooves 12 on the upper ends of the bearing bars 20.

The opening and closing plate 30 is a plate member having a shape corresponding to the shape of the sewage inlet 21, and is configured to seal the sewage inlet 21.

2 and 5, in one embodiment according to the present invention, the opening and closing plate 30 is hinged to an inner upper portion of the outer frame 10 at one side in a width direction at each end in a longitudinal direction thereof. The other side of the width direction is rotated up and down and configured to open and close the sewage inlet 21.

The opening and closing plate 30 is configured to include a hinge groove 31 and a hinge pin 32 to be installed in the outer frame 10.

As shown in FIG. 2, the hinge groove 31 is formed to have a constant depth and diameter inward on one side of the width direction at each end of the opening and closing plate 30 in the longitudinal direction.

On the other hand, the opening and closing plate 30 is the position where the hinge groove 31 is formed in the opening and closing plate 30, as in one embodiment according to the present invention shown in Figure 2, that is, of the opening and closing plate 30 The bottom portion of one side in the width direction may be formed thicker than the overall thickness of the opening and closing plate 30 so that the opening and closing plate 30 is not damaged even when the hinge groove 31 is formed.

The hinge pin 32 has a diameter corresponding to the diameter of the hinge groove 31 so that the hinge pin 32 is inserted into the hinge groove 31 and fixed firmly, and one end is inserted into the hinge groove 31 and fixed to the other end. Is provided with a predetermined length protruding in the outward direction.

On the other hand, the other end protruding in the outward direction of the hinge pin 32 is fitted into the connecting hole 11 formed in the outer frame 10 is mounted on the outer frame 10 is mounted on the outer frame (10). .

The shape of the hinge pin 32 is preferably formed in a cylindrical shape so as to be rotatable in the state inserted into the connection hole 11, the hinge pin 32 supports the opening and closing plate 30 and At the same time serves as a rotating shaft for rotating the opening and closing plate 30 up and down.

As described above, and as shown in FIG. 2, the opening and closing plate 30 according to the present invention has a configuration in which the hinge is connected to the connection hole 11 formed in the outer frame 10, the outer frame 10. It is inserted into each of the sewage inlet 21 so as to be located on the inner upper side of the).

When the opening and closing plate 30 is installed in the upper portion of the outer frame 10 as described above, when the grating 1 according to the present invention is installed in the sewer, dirt is accumulated on the upper part of the grating 1 so that the cleaner Soil can be easily collected.

On the other hand, the opening and closing plate 30 according to the present invention is made of a synthetic resin material to prevent rust, and can adopt a variety of colors of the opening and closing plate 30, the letter on the opening and closing plate 30 It is configured to insert images such as pictures and pictures, and can be used for advertisements, and can improve the urban aesthetics.

The opening and closing plate 30 is configured to further include a fitting coupler 33 so that one end of the leaf spring 40 is fitted and fixed to the bottom surface.

The fitting coupler 33 is provided on the bottom surface in the width direction of the opening and closing plate 30 as shown in FIG.

In one embodiment of the present invention, as shown in FIG. 3, the main fitting coupler 331 and the width of the opening and closing plate 30 formed on the other side in the width direction of the opening and closing plate 33 It was configured by separating the auxiliary fitting coupler 332 formed in the central portion in the direction.

Although not shown in the drawing, rather than the configuration of the main fitting coupler 331 and the auxiliary fitting coupler 332 as described above, the fitting coupler 33 in the other side in the width direction of the opening and closing plate 30 It can be provided in one configuration by designing long to be formed up to the center.

The leaf spring 40 is the opening and closing plate 30 is rotated and one end is fixedly coupled to the bottom of the opening and closing plate 30 to open and close the sewage inlet 21, the other end is the outer frame 10 or It is supported on the inner surface of the bearing bar 20 and is configured to elastically support the opening and closing plate 30.

In one embodiment according to the present invention, the leaf spring 40 supports the opening and closing plate 30 elastically so that the opening and closing plate 30 is rotated upward by the hinge pin 32, the center portion is bent Is formed in the shape of one end is fixedly coupled to the bottom of the opening and closing plate 30, the other end is supported on the inner surface of the outer frame 10 or the bearing bar (20).

That is, the leaf spring 40 is one end is fixedly coupled to the fitting coupling hole 33 formed on the bottom of the opening and closing plate 30, the other end is the outer frame 10 or the bearing bar 20 Is supported on the inner side of the. In this case, the other end of the leaf spring 40 may be supported by a method such as welding (W) as in the other embodiment of the present invention shown in FIG. 7.

On the other hand, the leaf spring 40 is configured to have a curved cross-section convex outward as shown in Figures 2 and 3 is configured to increase the elastic restoring force of the leaf spring (40).

In addition, the leaf spring 40 may be provided in the central portion of the longitudinal direction of the opening and closing plate 30 as in one embodiment of the present invention shown in Figures 2 and 3, although not shown in the figure, the opening and closing A plurality of end portions in the longitudinal direction of the plate 30 or the longitudinal direction of the opening and closing plate 30 may be provided.

At this time, the position and the number of the fitting coupler 33 is also determined according to the position and the number of the leaf springs 40 provided in the opening and closing plate 30.

The crossbars 50 have a length corresponding to the widthwise length of the outer frame 10, and a plurality of crossbars 50 are spaced apart at regular intervals in a direction crossing the bearing bar 20 inside the outer frame 10. do.

In addition, the crossbar 50 is positioned above the opening and closing plate 30, and the first seating groove 12 and the first formed on the upper end of the outer frame 10 and the bearing bar 20, respectively 2 is seated on the seating groove 22 is installed to be fixed.

The crossbar 50 installed as described above functions to reinforce the structure of the grating 1.

In addition, the crossbar 50 is the opening and closing plate 30 so that the maximum rotation distance to the upper side of the opening and closing plate 30 is limited when the opening and closing plate 30 is rotated upward by the leaf spring (40). And jamming.

As shown in FIG. 2, in one embodiment of the present invention, the crossbar 50 is composed of a pretzel-shaped bar that is twisted several times in one direction.

The grating 1 according to the embodiment of the present invention configured as described above is coupled to the bottom surface of the opening and closing plate 30 by the plate spring 40 and configured to rotate and support the opening and closing plate 30. In the prior art of rotating the opening and closing plate by using the torsion spring of the foreign matter is caught in the torsion spring has the advantage that can solve the problem of poor operation of the opening and closing plate.

In the above, the grating 1 according to an embodiment of the present invention has been described. Hereinafter, the grating 2 according to another embodiment of the present invention will be described.

6 is an exploded perspective view of a grating according to another embodiment of the present invention, and FIG. 7 is an enlarged view of a main part of the grating according to another embodiment of the present invention.

6 and 7, grating according to another embodiment of the present invention (2) is the outer frame 10 ', bearing bar 20, opening and closing plate 30', leaf spring 40 ', crossbar It consists of 50.

Since the bearing bar 20 and the cross bar 50 are the same as in one embodiment according to the present invention, only the outer frame 10 ', the opening and closing plate 30' and the leaf spring 40 'will be described below. Except for overlapping technical features and configurations in the same manner as the outer frame 10, opening and closing plate 30 and the leaf spring 40 according to an embodiment of the present invention, only the technical features and configurations that differ in detail Let's explain.

As shown in FIG. 6, the outer frame 10 ′ is not formed with only the connection hole 11 into which the hinge pin 32 is inserted in the outer frame 10 according to an embodiment of the present invention. , The configuration is the same as the configuration of the outer frame 10 according to an embodiment of the present invention.

The opening and closing plate 30 ′ is made of a plate member having a shape corresponding to the shape of the sewage inlet 21, and is configured to seal the sewage inlet 21, and is inserted into each of the sewage inlets 21. .

As shown in FIG. 6, the opening and closing plate 30 ′ is a component for installing the opening and closing plate 30 in the outer frame 10 in the opening and closing plate 30 according to an embodiment of the present invention. The hinge groove 31 and the hinge pin 32 are not provided, and are fixed to the outer frame 10 'by the leaf spring 40'.

The opening and closing plate 30 ′ is a configuration of the remaining portion except for the difference between the opening and closing plate 30 according to an embodiment of the present invention described above and the opening and closing plate 30 according to an embodiment of the present invention. same.

The leaf spring 40 'is pivotally coupled to the opening and closing plate 30' and one end is fixedly coupled to the bottom surface of the opening and closing plate 30 'so as to open and close the sewage inlet 21, and the other end is the outer frame ( 10 ') or an inner surface of the bearing bar 20 and elastically supporting the opening and closing plate 30'.

The leaf spring 40 ′ according to another embodiment of the present invention is fixedly coupled to one end fitting portion 33 formed at the bottom of the opening and closing plate 30 ′ as shown in FIGS. 6 and 7. The other end is fixedly coupled to the

inner frame

13 or 23 of the outer frame 10 or the bearing bar 20 by welding (W) or an iron adhesive (not shown).

The grating 2 according to another embodiment of the present invention is formed by the coupling structure of one end and the other end of the leaf spring 40 'as described above of the outer frame 10 according to an embodiment of the present invention. The opening and closing plate 30 'can be installed in the outer frame 10' without the connection hole 11, the hinge groove 31 and the hinge pin 32 of the opening and closing plate 30. .

The grating 2 according to another embodiment of the present invention configured as described above has the opening and closing plate 30 having one end of the leaf spring 40 ′ fixedly coupled thereto when the sewage S enters the sewage inlet 21. The other side of the width direction of ') is rotated downward, and the sewage inlet 21 is opened to discharge the sewage (S).

The

gratings

1 and 2 according to the embodiment of the present invention and the other embodiments configured as described above have the opening and closing plates 30 and 30 'provided inside the outer frame 10 and 10'. When the sewage inlet 21 is introduced into the sewage inlet 21, the opening and

closing plates

30 and 30 ′ are rotated downward by the weight of the introduced sewage to open the sewage inlet 21 and the sewage inlet 21. When there is no inflow of sewage (S) to the opening and closing plate 30, 30 'is rotated upward by the elastic force of the leaf spring (40, 40') and keep the sewage inlet 21 closed Let's do it.

That is, the grating (1, 2) having a dirt and odor blocking function according to the present invention by the configuration as described above is the grating (1, 2) according to the weight of the sewage (S), such as rainwater or sewage flowing into the sewer The opening and closing plate (30, 30 ') provided in the can be opened or closed, the sewage inlet 21 is closed by the opening and closing plate (30, 30') in the usual times without the inflow of sewage (S). The state is maintained to prevent the inflow of dirt, to prevent odors generated inside the sewers from being discharged to the outside of the sewers, and to make the bottom of the sewers invisible, reducing the discomfort of pedestrians, and preventing harmful insects from leaking to the outside. It will have many advantages, such as preventing some backflow of sewage during heavy rains.

The grating having the dirt and odor blocking function described above and shown in the drawings is merely an embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is determined only by the matters described in the following Utility Model Registration Claims, and the embodiments of the present invention which have been improved and changed without departing from the gist of the present invention are obvious to those skilled in the art. As long as it is one will belong to the protection scope of the present invention.

The present invention is an industrially useful invention that normally closes the sewage inlet to block the inflow and odor of dirt, and to open the sewage inlet by the weight of the sewage in rainy weather to smooth drainage.

Claims

In the grating to cover the sewer installed so that the sewage is discharged to the edge of the road,

An outer frame formed in a shape that can be seated on an upper portion of the sewer;

A plurality of bearing bars installed inside the outer frame at regular intervals so that sewage inlets are formed in spaces spaced apart from each other;

A plate member having a shape corresponding to the shape of the sewage inlet, the opening and closing plate sealing the sewage inlet;

The opening and closing plate is rotated and one end is fixedly coupled to the bottom surface of the opening and closing plate to open and close the sewage inlet, the other end is supported on the inner surface of the outer frame or the bearing bar, the spring spring elastically supporting the opening and closing plate ; Including,

The opening and closing plate is configured to include a fitting coupling provided on the bottom surface so that one end of the leaf spring is fitted and fixed,

The fitting coupler is configured to include a main fitting coupler formed on the other side in the width direction of the opening and closing plate, and an auxiliary fitting coupler formed at the center portion in the width direction of the opening and closing plate,

The leaf spring, one end is fixedly coupled to the fitting coupler, the other end is fixed and welded to the inner surface of the outer frame or the bearing bar,

When the sewage inlet flows into the sewage inlet, the opening and closing plate is rotated downward by the weight of the sewage introduced and the sewage inlet is opened. A grating having a dirt and odor blocking function, characterized in that it rotates upward and the sewage inlet is closed.
The method of claim 1,

A plurality of spaced apart at regular intervals in the direction intersecting the bearing bar on the inner side of the outer frame, located on top of the opening and closing plate when the opening and closing plate is rotated upward by the leaf spring to the upper side of the opening and closing plate Crossbars that engage with the opening and closing plate to limit the maximum rotation distance; Grating having dirt and odor blocking function, characterized in that it further comprises.
The method according to claim 1 or 2,

The opening and closing plate is configured to further include a hinge groove formed on one side of the width direction at each end in the longitudinal direction, and a hinge pin one end is fixed to the hinge groove and the other end protrudes in the outward direction,

The outer frame, the other end of the hinge pin is inserted into the inner upper portion is formed with a plurality of connection holes hinged,

The leaf spring, the central portion in the longitudinal direction is bent to form a 'b' shape, the width direction is curved to have a cross-sectional shape convex outward,

The fitting coupling is a grating having a dirt and odor blocking function, characterized in that provided in the central portion in the longitudinal direction of the bottom surface of the opening and closing plate.
The method of claim 1,

The opening and closing plate is made of a synthetic resin material to prevent rust, and can adopt a variety of colors, grating having a dirt and odor blocking function, characterized in that can be used in advertising by inserting letters or pictures.