KR20020062234A - A device for isolating the fumes and vermin emit through a ditch cover - Google Patents

Abstract

PURPOSE: A bad-odor and insect release-protection device is provided for installing on drainage including under manhole cover, flat and/or inclined driving roads by mounting the device inside the cover of drainage to block leakage of bad odor or insects out of the inner side. CONSTITUTION: The device comprises an impurity inputting protection component(70) at top sill; and a plurality of bad odor and insect blocking component(60) at lower end of the component(70); an opening/closing plate(64); an elastic component(66); an inclined wall(63) with top/bottom projections(61,62); a coupling device(67) to rotate the plate(64). The impurity protection component(70) is mounted alone or in combination with two or more between the blocking component(60) and the manhole cover. The device has also a fixture frame to secure the blocking component(60) inside the drainage. The elastic component(66) is preferably formed in a panel spring with a control bolt punctured at center portion of the spring to adjust the elastic force.

Description

A device for isolating the fumes and vermin emit through a ditch cover}

The present invention relates to a odor and pest discharge prevention of the sewer that can prevent the discharge of odor and pests from the sewer, in particular the opening and closing that can be sealed at the bottom by the foreign matter inflow prevention member and the elastic member to the top and the inside of the manhole of the sewer Odor and pest blocking member is provided with a plate is inserted into the odor and pests and various pathogens generated in the sewer can effectively prevent the odor and pest discharge prevention of the sewer can effectively prevent the escape of the sewer.

Currently, sewage pipes are installed in the basement of residential roads, common areas, factories, and apartment complexes, where sewage pipes are discharged at various intervals. It is prepared.

These sewers, which are connected to the sewer pipes, are usually in direct and indirect communication with underground sewer pipes, and the inlet of the sewer is formed on the upper surface of the sewer so that the flow of the road surface flows horizontally or lower than the ground. At the entrance of the sewer, a manhole cover is formed with a drainage hole of a certain size so that water flows from the road easily, and foreign substances such as stones and gravel do not flow into the sewer.

In the conventional sewer, the entrance is installed on the road where people pass, and besides the original function of draining the runoff of the road, odors and various pests generated from underground sewer pipes are discharged to pollute the living environment and to human beings. It caused side effects that caused various harms, causing the pleasant environment of residential areas, schools, factories and streets to become unclean. In particular, waterborne infectious diseases and various pathogens harmful to humans have been transmitted to humans by pests, and therefore, a need for an appropriate blocking method and device has emerged.

Due to such a necessity, as shown in FIG. 1, the odor prevention device of the sewer manhole (Domestic Utility Model Registration No. 20-0201974) and many conventional methods for preventing the outflow of odors and pests generated in the sewers are conventionally known. It was made.

In particular, the conventional "odor prevention device of the sewer manhole" shown in Figure 1 is a body portion 10 formed by folding the body 10 in the longitudinal direction of the rectangular drop hole 12, and the body portion 10 An axial support plate 20 transversely unilaterally at both ends of the bottom of the bottom, and the axial support plate 20 has an opening and closing portion (1) connected to the hinge hinge (33), the opening and closing portion (1) has a weight portion 31 Rotating piece 30 is configured to face the pair is configured to be installed under the existing manhole cover 100 was configured to prevent odors or pests generated in the sewer discharged through the sewer.

In particular, the opening and closing portion (1) is composed of a rotating piece portion 30 composed of a pair, the rotating piece portion 30 is such that the left and right long interlocking plug 32 is always directed upward by the principle of the lever The weight portion 31 is configured, the front end of the interlocking plug 32 on both sides faced in the '∨' type was configured to be blocked between the upper end of the sewer and the inside of the sewer.

However, due to the structure in which the interlocking stopper 32 is fixedly installed on the shaft support plate 20, as shown in FIG. 2, a certain space is generated between the shaft support plate 20 and the interlocking stopper 32, resulting in a bad smell and There was a disadvantage that the pests are not effectively prevented from leaking or exiting, and when the interlocking plug 32 consisting of a pair is not opened and closed at the same time, foreign substances introduced into the sewer are inserted between the tip portions of both interlocking plugs 32. If a foreign matter is inserted between the distal end of the interlocking plug 32 on both sides, it is not possible to perform the function of the interlocking plug 32 to prevent the discharge of odors and pests generated in the sewer. There was this.

In addition, the conventional odor prevention device of the sewer manhole has a problem that must be manufactured and installed separately for the odor prevention device for each manhole in view of the reality that all devices must be made differently to the size of the manhole, the objection There was a lot of inconvenience in maintenance and management. In addition, when the odor prevention device of the conventional sewer manhole is installed on an inclined road or road surface, the hinge 21 position of the pivoting piece 30 is completely closed by the left and right height differences. There was a problem with a structure that is difficult to completely block the odor and pests do not support.

The present invention was devised to solve the problems of the conventional odor prevention device of the sewer manhole, the present invention is convenient to manufacture and construction by making it possible to install in the manhole of the sewer made of various sizes, repair and Its purpose is to provide odor and pest discharge prevention in drains that are easy to maintain.

In particular, the present invention is made of an independent member provided with an opening and closing plate for each blocking member to control the discharge of odors and pests in the sewer, and control the elastic force in the rear of each opening and closing plate so that the blocking function of the opening and closing plate is smoothly made even in long-term use. The purpose of the present invention is to provide a odor and pest discharge prevention device of the sewer, which is provided with an elastic material provided with means to effectively prevent odors and pests from draining out of the sewers, thereby maintaining a pleasant living environment and preventing the transmission of harmful pathogens. There is this.

In addition, the present invention is to provide a odor and pest discharge prevention of the sewer can be reliably blocked the escape of odor and pests in the sewer even when installed on the slopes of roads or roads as well as flat roads and roads. There is another purpose.

1 and 2 is an embodiment of the odor prevention device of the sewer manhole conventionally drafted,

3 to 5 are exploded perspective views according to the first, second, third embodiment of the odor and pest discharge prevention device according to the present invention,

6 is a side view of a state in which the first embodiment of the odor and pest discharge prevention device according to the present invention is combined,

7 and 8 are different embodiments of the odor and pest blocking member applied to the embodiment of the present invention,

9 and 10 are a cross-sectional view of the installation and operation state of the sewage applied to one embodiment of the odor and pest discharge prevention of the sewer in accordance with the present invention.

※ Brief description of symbols for the main parts of the drawings

50: fixed frame 60: odor and pest blocking member

61, 62: upper and lower locking jaw 63: side wall

64: opening and closing plate 66: elastic member

65: elastic adjustment bolt 70: foreign material inflow prevention member

80: clearance blocking member 90: weight

In order to achieve the above object, the odor and pest discharge prevention of the sewer according to the present invention is installed inside the manhole cover of the sewer so that the odor generated in the sewer and the pests inhabiting the pathogen and the sewer can escape from the sewer. In the constructed sewer odor and pest discharge prevention device, the odor and pest discharge prevention device of the sewer has a side wall formed at a constant height on the slope so as to form a sealed inner space portion, protruded outwards from the upper end of the side wall in each center portion The upper locking jaw formed by the handle portion concave inwardly in the inner portion, the lower locking jaw protruding to each side wall spaced at a predetermined distance from the lower end of the handle portion, and made of a flat plate to seal the bottom opening of the side wall Rotatably engaged by fastening means at the outer rear of the side wall A plurality of odor and vermin blocking member made of a closing plate and an elastic member wherein the opening plate is coupled to the rear end of the side wall side wall with an outer surface of the closing plate so as to be closed elastically on the bottom surface of the; A fixed frame installed over the upper edge of the sewer so that a plurality of the odor and pest blocking members are continuously arranged vertically and horizontally to be installed inside the upper end of the sewer so as to block the odor from coming out of the sewer; And a foreign material inflow prevention member having a plurality of drainage holes formed so as to filter foreign matter passing through the falling hole of the manhole cover by being installed alone or double between the odor and pest blocking member and the manhole cover installed on the upper surface. Has

In particular, the side wall is formed so that one end of the bottom surface is longer than the other end is installed so that the opening and closing plate of the odor and pest blocking member coupled to the bottom surface of the side wall is inclined so that the flowing water and foreign substances dropped on the upper surface of the opening and closing plate spontaneously drains Allow it to fall inside.

And, when the elastic member is composed of a leaf spring, the leaf spring is coupled to the outer surface of one side wall through the central portion is coupled to the elastic adjustment bolt to adjust the elastic force of the leaf spring according to tightening and release, When the elastic member is composed of a cylindrical coil spring, the elastic member is configured such that its center part is fixedly fixed by the fastening means, and both ends are in close contact with the outer surface of the side wall and the upper surface of the rear end of the opening and closing plate so that the closing operation of the opening and closing plate is made. And, the rear end of the opening and closing plate has a feature that is characterized in that the weight adjustable weight is coupled.

In addition, the fixing frame is divided into several to be installed between the upper and lower engaging jaw in any one of the longitudinal or transverse direction of the odor and pest blocking member, the odor and adjacent to each other in the orthogonal direction in which the fixing frame is installed The gap blocking member of the elastic rubber material having a certain thickness is fitted between the upper and lower locking jaws between the pest blocking members, and is configured to completely block odors and pests from escaping from the drain.

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

Odor and pest discharge prevention of the drain according to the present invention is configured to be installed on the inner top of the sewer is usually installed on the back of the road or sidewalk or apartment complex, in particular, can be installed to the bottom of the manhole cover 100 of the conventional sewer It is configured to be.

Therefore, in the following description, the description of the manhole cover 100 will be omitted, and only the sewer odor and pest discharge prevention device, which is the main part of the present invention installed on the bottom of the manhole cover, will be described.

3 to 5 are separated perspective views configured for each embodiment of the odor and pest discharge prevention of the sewer in accordance with the present invention.

Example 1

In Example 1 shown in Figure 3 is installed on the inner top of the sewer in the foreign material inflow prevention member 70 made of a steel plate installed on the bottom of the manhole cover, and the foreign material inflow prevention member 70 is installed in the sewer pipe odor and pests It is composed of a odor and pest blocking member 60 to prevent the outflow to the outside of the sewer.

The foreign material inflow prevention member 70 is composed of a steel plate or a plastic synthetic resin having a predetermined thickness consisting of a plating or corrosion-resistant material on the surface, the surface of the hole for a certain size for the discharge of inflow water introduced into the sewers (73) Perforated plate 72 is formed through, the perforated plate 72 is formed with a plurality of screw fastening holes 75, the long hole 73 is to have a smaller size than the fall hole formed in the manhole cover of the manhole cover Wastewater or other debris that flows through the drainage can be filtered out to prevent it from entering the sewer.

In addition, the odor and pest blocking member 60 which is installed from the lower end of the foreign matter inflow prevention member 70 to the inner upper end of the sewer is a side wall 63 formed at a constant height on the slope so that the sealed inner space is formed, and the An upper locking jaw 61 having a handle 68 formed to protrude outwardly from the upper end of the side wall 63 and cut inwardly at each central portion, and a fastening hole 69 formed at each corner thereof, and concave. The lower locking jaw 62 protruding from each side wall 63 to be spaced apart from the lower end of the handle portion 68 formed to be cut so as to be formed of a flat plate to seal the bottom opening of the side wall 63 and The opening and closing plate 64 rotatably coupled by the fastening means 67 at the outer rear of the side wall 63 and the opening and closing plate 64 are elastically sealed at the bottom of the side wall 63. One side to make It made composed of an elastic member 66 provided between the rear end of the 63 outer surface and the opening and closing plate 64 of the.

In particular, the side wall 63 of the odor and pest blocking member 60 is formed so that one end of the lower end is longer than the other end so that the bottom surface of the side wall 63 is inclined, the opening and closing coupled to the lower end opening of the side wall 63 The plate 64 is inclined so that the inflow water flowing into the inner space of the side wall 63 can be naturally discharged from the upper surface of the opening and closing plate 64, and the side wall 63 and the opening and closing plate 64 are mutually coupled to each other. The fastening means 67 is formed on the rear outer side of one side wall 63 to prevent foreign substances introduced with the inflow water from being caught in the fastening means 67 when the opening and closing operation of the opening and closing plate 64 is made by the inflow of the inflow water. It is configured to enable a smooth operation of the opening and closing plate (64).

In addition, the elastic member 66 coupled to the rear end of the one side wall 63 and the rear end of the opening and closing plate 64 is formed in a leaf spring shape, the center of the elastic adjustment bolt that can adjust the elastic force of the leaf spring ( 65) are combined.

The plurality of odor and pest blocking members 60 configured as described above are installed at the same time as a pair, and configured to be installed in an appropriate number according to the size of the sewer, and the odor and pest blocking members 60 are formed of a flat plate. After placing each odor and pest blocking member 60 on the bottom of the perforated plate 72, the fastening hole 69 formed in the upper catching jaw 61 and the screw fastening hole 75 formed in the perforated plate 72 coincide with each other. If the screw is coupled to complete the assembly, the odor and pest blocking member 60 is coupled to the foreign matter inflow prevention member 70 is installed over the top of the sewer odor and pest blocking member 60 is the inside of the sewer It is installed at the top to block the inside and outside of the sewer, and the odor and pest blocking member 60 is also made of a metal or plastic synthetic resin resistant to corrosion, such as the foreign matter inflow prevention member 70 It is preferable to lose.

Example 2

4 is a foreign material inflow prevention member 70 installed between the manhole cover 40 and the odor and pest blocking member 60 in the configuration of the first embodiment instead of the perforated plate 72 of the plate material It is composed of a wire mesh 74 of the net structure, and is installed across the upper and lower locking jaws 61, 62 of the odor and pest blocking member 60 for the fixed installation of the odor and pest blocking member 60 It has a configuration consisting of a fixed frame 50.

The wire mesh 74 is to have a smaller size than the falling hole formed in the manhole cover to filter various foreign matter introduced between the falling hole of the manhole cover, the fixed frame 50 has a predetermined rigidity and width Consists of a plurality of divided steel plate material having a plurality of odor and pest blocking member is installed between the upper and lower locking jaw 61, 62 of the odor and pest blocking member 60 in the longitudinal or transverse direction. (60) is to be installed continuously before and after, left and right.

That is, the fixing frame 50 has a length that can be installed in the longitudinal or transverse direction on the top of the sewer manhole, the two fixed frames 50 divided in the longitudinal or transverse direction of the sewer has an appropriate width The odor and pest blocking members 60 are inserted one by one between the installed fixing frames 50 so that the fixing frames 50 are positioned between the upper and lower locking jaws 61 and 62 so that the odors and pests of one row are maintained. When the installation of the blocking member 60 is completed, it is fixed in the orthogonal direction of the fixed frame 50 that is provided between the upper and lower locking jaws 61 and 62 between the odor and pest blocking members 60 adjacent to each other. The gap blocking member 80 of the elastic rubber material having a thickness is fitted to each other so as to effectively prevent odors and pests from escaping between the odor and pest blocking members 60 continuously installed.

After installing the first odor and pest blocking member 60 in the first row is installed another fixed frame 50 so as to maintain a predetermined interval in the fixed frame 50 is installed and the gap between the odor and pest blocking member 60 in the second row Repeat the installation of the blocking members 80, and install the entire odor and pest blocking member 60 inside the sewer top, and then install the foreign matter blocking member 70 and the manhole cover on the upper surface in this order. Installation of the odor and pest discharge prevention of the sewer according to the second embodiment of the invention is completed.

The fixing frame 50 may be implemented in various shapes and structures as long as the odor and pest blocking member 60 can be mounted thereon.

Example 3

In the third embodiment shown in Figure 5 is characterized in that the fixed frame 50 is configured in each of the configuration of the second embodiment is formed in one constant frame.

That is, the fixing frame 50 in the present embodiment is provided with a plurality of fittings 52 so that a plurality of fixed at one time can be installed at a time to facilitate the installation of the odor and pest blocking member 60 in the precisely constructed sewers It is characterized by consisting of a fixed frame of a certain shape.

Each side of the fitting portion 52 is formed with an end 56 so that the upper and lower catching jaws 61 and 62 of the odor and pest blocking member 60 can be installed respectively, and both ends of the upper surface are sewers. Protruding piece (57) is formed so as to span the top of the, and the other fastening hole (54) is formed at both ends, so if the step between the fixed frame 50 and the manhole of the sewer is odor and pests Blocking member that can block the discharge has a configuration that can be installed separately.

Side view of the combined state according to one embodiment of the odor and pest discharge prevention of the sewer according to the present invention constituted as described above is shown in Figure 6, Figure 7 and Figure 8 applied to each embodiment of the present invention described above It is shown that the preferred embodiments of the odor and pest blocking member 60, which is configured separately according to the type of elastic member 66 for sealing the opening and closing plate 64 of the odor and pest blocking member 60. .

That is, the odor and pest blocking member 60 shown in FIG. 7 is an elastic member 66 for operating the opening and closing plate 64 is composed of a leaf spring, both ends of the leaf spring of the outer side surface of one side wall 63 And both ends are coupled to the rear end of the opening and closing plate 64 is configured to enable the sealing operation of the opening and closing plate 64 by the inherent elastic force of the leaf spring, the elastic force of the elastic member 66 made of the leaf spring In order to adjust the elastic adjustment bolt 65 is installed through the central portion of the leaf spring is coupled to one side wall 63 so that the elastic force of the elastic member 66 can be adjusted according to the tightening and release of the elastic adjustment bolt 65 It is configured to be.

In addition, the malodor and pest blocking member 60 shown in Figure 8 is an elastic member 66 for operating the opening and closing plate 64 is composed of a cylindrical coil spring, the weight 90 at the rear end of the opening and closing plate 64 ) Is coupled, the elastic member 66 of the cylindrical coil spring is fixed to the fastening means 67 for coupling the side wall 63 and the opening and closing plate 64, both ends of the elastic member 66 Closed to the rear of the 63 and the lower end of the opening and closing plate 64 is configured to be closed by the closing force of the inclined opening and closing plate 64 by the elastic force of the cylindrical coil spring wound, the weight 90 is cylindrical Even if the elastic member 66 of the coil spring is used for a long time, even if the elastic force is reduced, the closing and closing of the opening and closing plate 64 can be made surely, and if necessary, the disassembly coupling can add or subtract the weight of the weight 90. It is possible.

On the other hand, below will be described in detail the operation of the present invention with reference to Figures 9 and 10 with respect to the first embodiment of the odor and pest discharge prevention of the sewer according to the present invention having the above-described configuration.

Odor and pest discharge prevention of the sewage according to the present invention, as shown in the installation cross-sectional view shown in Figure 9, the foreign material inflow prevention member 70 is installed in the upper end of the sewer to the bottom of the manhole cover 100, foreign matter inflow prevention A plurality of odor and pest blocking member 60 is coupled to the lower end of the member 70, usually the opening and closing plate 64 of the odor and pest blocking member 60 by the elastic force of the elastic member 66 It adheres to the inclined bottom of the side wall 63 to close the bottom opening of the side wall 63 to prevent odors and pests generated inside the sewers from escaping to the outside through the sewers, and when the road surface flows into the sewers. And the opening and closing plate 64 is opened at a predetermined angle by the weight of the flow rate dropped on the opening and closing plate 64 of the pest blocking member 60 to discharge the inflow water 200 as shown in FIG. 10. After the discharge of the inflow water 200 is made, the opening and closing plate 64 is automatically closed by the elastic force of the elastic member 66 to block the inside of the sewer. It is impossible to escape to the outside of the pest blocking member 60, each odor and pest blocking member 60 is the upper catching jaw 61 is configured to be in close contact with the bottom surface of the foreign matter inflow prevention member 70 of the perforated plate Because it is made to completely block the inside and outside of the sewer.

In particular, the odor and pest discharge prevention of the sewage according to the present invention is to completely block between the inside and the outside of the sewer so that the odor of the sewer is leaked out or the pest escapes to the outside to effectively prevent the transfer of various pathogens harmful to humans It is characteristic of one thing.

That is, even when flowing water and various foreign matters are introduced into the odor and pest blocking member 60, various foreign matters located on the upper surface of the opening and closing plate 64 naturally fall into the sewer because the opening and closing plate 64 is inclined. And, since the fastening means 67 rotatably coupled the opening and closing plate 64 is installed on the outside of the side wall 63, there is no problem that foreign matter introduced with the inflow water is caught in the fastening means 67, This improves the closing rate that the opening and closing plate 64 is always closed to effectively prevent odors and pests from escaping.

In addition, because the odor and the pest blocking member 60 of the sewage and pest discharge prevention device according to the present invention is composed of a plurality of divided structure is installed, regardless of the size of the manhole made of different sizes In accordance with the number of odor and pest blocking member 60 can be installed in different, it can increase the ease of installation of the odor and pest discharge prevention of the sewer, individual defects and odor blocking if problems occur Since the member 60 may be removed or separated to be repaired or replaced, there is an advantage in terms of post management and maintenance after installation.

In addition, when the elastic member 66 for operating the opening and closing plate 64 is made of a plate spring type elastic adjustment bolt 65 is provided, when the elastic member 66 is made of a cylindrical coil spring type opening and closing plate 64 The weight 90 is provided at the rear end of the pump to control the elastic force of the opening and closing plate 64 according to the weather condition, the installation area, and the period of use, thereby effectively controlling the discharge of effluent and preventing the discharge of odor and pests, and the sewage flow back from the sewer. Can be prevented, even when installed on the slopes of roads and roads as well as flat roads or roads, the opening and closing plate 64 is closed by the elastic member 66 is always made odor and pest blocking member Sealing of 60 prevents odors and pests from escaping out of the sewer.

In addition, even when the odor and the pest blocking member 60 is formed to be divided into a plurality of fixed frame 50 is installed on the fixed frame 50, the front and rear or left and right of the odor and pest blocking member 60 Since the gap blocking member 80 of the rubber material is installed between the upper and lower locking jaws 61 and 62 therebetween, a pest or odor is prevented from leaking between the fixed frame 50 and the odor and pest blocking member 60. When the fixing frame 50 is integrally formed with a fixed frame, protruding pieces 57 may be formed at both sides of the upper end, and gap blocking members may be fixedly installed at the other ends thereof, so that the upper end and the fixing frame 50 of the sewer may be fixed. It is possible to prevent odors and pests to escape from between.

As described above, the odor and pest discharge prevention of the sewage according to the present invention is installed in the sewer at the bottom of the manhole cover of the sewer, and a plurality of odor and pest blocking member is installed to be divided into sewers of different sizes It is easy to install malodor and pest discharge prevention equipment because it can be installed by adjusting the number of installation of odor and pest blocking member.The smell and pest blocking member completely blocks the inside and outside of the sewer. It is effectively prevented from coming out of the door, and because the elastic member that maintains the closed state of the opening and closing plate is combined with an elastic adjustment bolt or weight added to adjust the elastic force, the closing of the opening and closing plate is suitable for the amount of water flowing into the road or the installation area. The strength and weakness of the state can be adjusted and used for a long time Even when the elastic force of the elastic member is reduced, the sealing operation of the opening and closing plate can be made smoothly, and it has a useful effect that can effectively prevent odors and pests from draining out of the sewer.

Claims (5)

In the sewer manhole cover inside of the sewage odor and pathogens and pests inhabiting the sewage is configured to block the escape of the sewage odor and pest discharge prevention device, Odor and pest discharge prevention of the sewer is formed in a constant height on the slope so as to form a closed inner space portion and the bottom surface is formed to be inclined downward from one end to the other end, protruded outwards from the upper end of the side wall at each central portion An upper locking jaw formed with a handle portion concave inwardly, a lower locking jaw protruding from each side wall at a predetermined distance from the bottom of the handle portion, and a flat plate material to seal the inclined bottom opening of the side wall; Opening and closing plate that is rotatably coupled by the fastening means at one end of the outer side of the side wall and one side wall so that the opening and closing plate is always kept closed at the bottom of the side wall and opened by the weight of the inflow water introduced into the side wall Elastic member is coupled to the outer surface of the rear and the rear end of the opening and closing plate Odor and pest blocking member is installed in a plurality of sets to be made; A fixed frame configured to be installed over the upper edge of the sewer so that the malodor and pest blocking members are vertically and horizontally arranged to be installed inside the upper end of the sewer; Odor and pest discharge prevention of the sewer, characterized in that consisting of; foreign matter inflow prevention member formed with a plurality of drain holes to filter the foreign matter passing through the manhole cover is installed alone or double on the upper surface of the odor and pest blocking member . The method of claim 1, The elastic member is composed of a leaf spring, the central portion of the leaf spring is installed through the elastic adjustment bolt characterized in that configured to adjust the elastic force of the leaf spring acting on the opening and closing plate according to tightening and release of the elastic adjustment bolt Odor and pest discharge prevention in sewers. The method of claim 1, The elastic member is composed of a cylindrical coil spring, odor and pest discharge prevention of the sewer, characterized in that the weight of the weight control is coupled to the rear end of the opening and closing plate. The method of claim 1, The fixed frame is divided into a plurality formed so as to be installed between the upper and lower engaging jaw in any one of the longitudinal or transverse direction of the odor and pest blocking member, the odor and pest blocking adjacent to each other in the orthogonal direction in which the fixed frame is installed. Odor and pest discharge prevention of the sewer, characterized in that the gap blocking member of the elastic rubber material having a certain thickness is inserted between the upper and lower locking jaws between the members. The method of claim 1, The fixing frame is provided with a plurality of grid-like fittings integrally installed so that a plurality of odor and pest blocking members are inserted at one time, and end portions are formed at each side of each fitting portion so that the locking jaws of the odor and pest blocking members can be seated. Odor and pest discharge prevention of the sewer, characterized in that consisting of a fixed frame of a constant shape.