JP4505478B2 - Pest control equipment - Google Patents

Description

  The present invention relates to a pest control device used to prevent the generation of pests inside a rainwater basin provided in the middle of a drainage channel such as a drainage channel and a drainage pipe.

  In the middle of the drainage ditch or drainage pipe provided in the urban area for drainage of rainwater and domestic water, foreign matter such as gravel and sand contained in the drainage is precipitated for the purpose of preventing the flow of the drainage. The rainwater tanks to be deposited are installed at appropriate intervals.

  This rainwater basin is configured with the drainage groove or a part of the drainage pipe widened and deepened so as to reduce the speed of drainage and promote the precipitation of foreign matters. Such rainwater traps contain stagnant water even when there is no flow in the drain or drainpipe, and this stagnant water is the source of sanitary or unpleasant pests represented by mosquitoes and spiders. It has become.

This kind of pest control is important for improving the sanitary environment in urban areas. In general, concentrated spraying of insecticides at the source is an effective measure. However, when targeting pests that originate from rainwater reeds, there is a risk that the insecticide sprayed in the rainwater reeds may be lost along with the running water in the drains or drainage pipes, making it difficult to obtain a sufficient control effect. is there. Furthermore, in recent years, the use of chemical substances outdoors tends to be regulated to reduce the environmental burden, and there is a pest control tool aimed at controlling pests that occur in rainwater traps without using pesticides. It has been proposed (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2004-285652

  The pest control device disclosed in Patent Document 1 includes a net that can be adjusted in size at the lower part of a frame that is suspended and supported at the periphery of the opening of the rainwater tank. It is configured to cover the upper portion to prevent the invasion of pests, and to prevent the eggs from laying on the surface of the stagnant water and emergence on the surface of the water.

  This pest control tool can achieve the purpose of controlling pests originating from rainwater traps without using an insecticide, but the net body is free from soil, sand, soil, etc. entering from the opening of the rainwater trap. When it is deposited on the top, it is opened downward to let it flow down, and when the water surface of the rain gutter rises, it has a complicated structure that is opened upward by the pressure of the accumulated water, and is expensive. Therefore, it is difficult to apply widely to many rainwater ponds scattered throughout the city. In addition, there is also a problem that daily maintenance work for monitoring the quality of the opening / closing operation of the mesh body and performing necessary repairs requires a great deal of labor.

  Furthermore, this pest control device is intended for a rainwater basin provided in the middle of a drain pipe configured as a closed culvert, and is configured such that the net body is located away from the surface of the accumulated water, and is configured as an open culvert. When applied to a rainwater basin provided in the middle of a drainage ditch, there is a problem in that pests cannot be prevented from entering from the upper opening of the drainage ditch and no control effect is obtained.

  The present invention has been made in view of such circumstances, and can be manufactured at a low cost with a simple configuration, and can be widely applied to all rainwater catches regardless of the form of the drainage channel. It aims at providing the insect pest control tool which can implement | achieve control of this effectively.

The pest control device according to the first aspect of the present invention is used to prevent the pest eggs from being spawned on the surface of stagnant water in a rainwater basin provided in the middle of the drainage channel and to prevent the emergence of pests on the water surface. In the pest control tool, the floating surface has a floating plate that floats on the surface of the staying water with a gap between the peripheral wall of the rainwater basket, and a hollow portion that is formed in a bag shape. It is provided so that it may protrude outside, and it is provided with the elastic contact piece which elastically contacts the surrounding wall of the said rainwater well over the perimeter.

In the present invention, floated floating plate onto the water surface of the accumulated water to stay in rainwater squares, provided Suyo out tension from a peripheral edge of the floating plate outwardly, said elastic contact piece having a bag-shaped hollow portion The surface of the rainwater tank is elastically contacted, and the water surface is covered with the floating plate and the elastic contact piece so that the pests entering the rainwater tank do not come close to the water surface of the accumulated water, and egg laying and emergence are performed. To prevent. The hollow portion of the elastic contact piece acts so as to favorably maintain the elastic contact state with the peripheral wall of the rainwater basket with its own deformation.

  The pest control device according to the second invention is characterized in that the floating plate is made of a foamed resin that is biodegradable and does not contain chlorine.

  Also, in the pest control device according to the third invention, the elastic contact piece is provided by bonding and fixing a non-woven sheet that is biodegradable and does not contain chlorine to the peripheral portion of the floating plate. And

  In these inventions, the floating plate and the elastic contact piece are made of a biodegradable resin material, reduce the environmental load at the outflow destination when accidentally spilled from a rainwater tank, and are made of a resin material that does not contain chlorine. In the case of damage, incineration is possible after the end of the service life. The elastic contact piece as a non-woven fabric enables the initial inflow water from the drain pipe or drain groove to be received.

In pest control device according to the present invention, floated floating plate on the water surface of the accumulated water to stay in rainwater squares, and out tension outward from the periphery of該浮-out plate, the elastic contact piece having a bag-shaped hollow portion Since it is configured to cover the water surface by elastic contact with the peripheral wall of the rainwater basin, it is possible to prevent pests from entering the rainwater basin and prevent access to the water surface of the accumulated water. And the emergence of water on the surface of the water can be prevented, and a good pest control effect can be obtained , and the hollow portion of the elastic contact piece is deformed according to the shape of the peripheral wall of the rainwater tank, It is possible to apply regardless of the form of the drainage channel, and has a simple configuration including a floating plate and a resilient contact piece, and can be manufactured at low cost. Widely applied to a large number of rainwater wells existing in the city, it effectively realizes pest control in urban areas Such bets are made possible, the present invention provides excellent effects.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof. FIG. 1 is an external perspective view of a pest control device according to the present invention. As shown in the figure, a pest control device according to the present invention includes a floating plate 1 having a flat plate shape, and an elastic contact piece 2 provided so as to project outward from the periphery of the floating plate 1. As shown in the drawing, the middle of the drainage groove 3 is widened and put into a deep rain basin 4 provided deep, and is suspended on the surface of the accumulated water 40 (see FIG. 2) in the rain basin 4 as will be described later. used.

  The floating plate 1 is formed by cutting a molded plate made of foamed resin into a rectangle having a vertical and horizontal dimension that is appropriately smaller than the opening cross-section of the rain gutter 4. The floating plate 1 can be configured using a plate material made of an appropriate material as long as it can float on the surface of the accumulated water 40 inside the rainwater tank 4, but has sufficient buoyancy and has various sizes. It is desirable to use a foamed resin plate material that can be cut into a shape corresponding to the rainwater tank 4 having a shape.

  In addition, the resin used as the material of the floating plate 1 is preferably a resin that does not contain chlorine, such as styrene resin, so that it can be incinerated after the lapse of a predetermined service life. In order to reduce the environmental load when it flows out, it is desirable to use a biodegradable resin such as polylactic acid resin.

  The illustrated elastic contact piece 2 has a non-woven sheet stuck to the peripheral edge of the floating plate 1 so as to be continuous over the entire periphery, and as described above, the appropriate width extends outward from each peripheral edge. It is provided. A ring-shaped handle 11 is attached to the central portion of one surface of the floating plate 1 via a pull string 10. The handle 11 is used for hooking an appropriate jig or finger and lifting the floating plate 1. The material of the elastic contact piece 2, the pull string 10, and the handle 11 as described above is desirably a resin material that does not contain chlorine and has biodegradability, like the floating plate 1.

  The pest control device configured as described above is used by being placed in the rainwater basin 4 as indicated by an arrow in FIG. 1 with the one surface of the floating plate 1 to which the handle 11 is attached facing up. FIG. 2 is an explanatory view showing a use state of the pest control device according to the present invention, and shows a state in which no drainage flows in the drainage groove 3 provided in the middle of the rainwater tank 4. In this case, the pest control tool thrown into the rainwater basket 4 is held in a floating state by the action of buoyancy applied to the floating plate 1 on the surface of the retained water 40 staying inside the rainwater tank 4 as shown in the figure.

  As described above, the floating plate 1 has vertical and horizontal dimensions smaller than that of the rainwater tank 4 and floats in a state where an appropriate gap is maintained between the peripheral edge of the floating board 1 and the peripheral wall 41 of the rainwater tank 4. The elastic contact piece 2 provided so as to project outward on the peripheral edge of the plate 1 contacts the peripheral wall 41 of the rainwater tank 4. Reference numeral 42 in FIG. 2 denotes a grid-like lid plate (grating) placed so as to close the opening of the rain gutter 4.

  FIG. 3 is an enlarged view of a contact portion of the elastic contact piece 2. As shown in this figure, the elastic contact piece 2 is a bag-like shape formed on the bending side by bending a non-woven sheet and bonding and fixing the other side to the peripheral edges of both surfaces of the floating plate 1 over an appropriate width. The cavity 20 is provided so as to protrude from the peripheral edge of the floating plate 1. Such an elastic contact piece 2 can be configured to maintain the shape of the cavity 20 by using a nonwoven fabric made of an elastic resin material, and floats on the surface of the staying water 40 as shown in FIG. When the body 1 is floated, it is elastically contacted with the peripheral wall 41 of the rain gutter 4 with the deformation of the hollow portion 20, and a stable contact state can be maintained.

  The elastic contact piece 2 is provided on the entire circumference of the floating plate 1, and the elastic contact shown in FIG. 3 occurs over the entire circumference of the peripheral wall 41 of the rain gutter 4. And the elastic contact piece 2 are densely covered. Therefore, even if pests such as mosquitoes and moths can enter the rainwater basin 4, they cannot approach the water surface of the accumulated water 40 covered by the floating plate 1 and the elastic contact piece 2. Egg laying can be effectively prevented. Moreover, even if it can be laid, the insect pest that emerged on the surface of the stagnant water 40 cannot pass through the elastic contact portion of the elastic contact piece 2 and escape to the outside. It is possible to effectively control pests.

  As described above, the pest control device according to the present invention includes the floating plate 1 floating on the water surface and the elastic contact piece 2 projecting from the periphery of the floating plate 1 on the surface of the accumulated water 40 inside the rain gutter 4. By covering, it does not prevent the entry of the pests into the rainwater basket 4 but prevents the pests from approaching the surface of the accumulated water 40. Therefore, as shown in the figure, even when applied to a rainwater basin 4 that is provided in the middle of the drainage groove 3 configured as an open ridge, and allows the entry of pests from the upper opening of the drainage groove 3, As described above, egg laying on the water surface of the stagnant water 40 and emergence on the water surface can be prevented, and a sufficient control effect can be obtained.

  FIG. 4 is an explanatory view showing a use state of the pest control device according to the present invention, and shows a state in which a drainage flow is generated in the drainage groove 3 provided in the middle of the rainwater tank 4. In this case, the surface of the accumulated water 40 inside the rainwater basin 4 flows from one side and rises or falls according to the amount of drainage flowing out to the other side, but the pest control tool located inside the rainwater basin 4 floats. The buoyancy applied to the plate 1 moves up and down following the rising and lowering of the water surface of the accumulated water 40, and the elastic contact piece 2 provided on the peripheral edge of the floating plate 1 is also in the elastic contact state with the peripheral wall 41 of the rainwater tank 4 And the state in which the water surface of the accumulated water 40 is covered is maintained. As the floating plate 1 moves up and down, friction is generated between the elastic contact piece 2 and the peripheral wall 41, but this friction is small and the vertical movement of the floating plate 1 is not hindered.

  As shown in FIG. 1, the rain gutter 4 is provided with the drainage groove 3 widened, and the width of the floating plate 1 is sufficiently larger than the width of the drainage groove 3, so that the pest control tool is shown in FIG. It is held without flowing out of the rain gutter 4 by the action of the flow. Further, even when the water flows accidentally due to the generation of a large amount of flowing water, as described above, the floating plate 1 and the elastic contact piece 2 are made of a resin material having biodegradability, and therefore are biodegraded and disappeared at the outflow destination. There is no possibility of affecting the surrounding environment, and the environmental load can be reduced.

  In addition, the floating plate 1 and the elastic contact piece 2 are made of a resin material that does not contain chlorine, and can be incinerated without generating harmful substances such as dioxin after damage due to various causes after the service life has elapsed. . The handle 11 attached to one surface of the floating plate 1 is used to pull out the old floating plate 1 that needs to be disposed from the upper opening of the rainwater tank 4 and introduce a new floating plate 1 into the rainwater tank 4. . This handle 11 includes a pull string 10 for connection with the floating plate 1 and is made of a resin material that does not contain chlorine and has biodegradability, and reduces the environmental load when it flows out from the rain gutter 4; Disposal by incineration is possible.

  The pest control device according to the present invention has a simple configuration in which a non-woven elastic contact piece 2 is attached to the peripheral edge of a foamed resin floating plate 1 and can be manufactured at low cost. It can be widely applied to 枡 4.

It is an external appearance perspective view of the pest control tool which concerns on this invention. It is explanatory drawing which shows the use condition of the pest control tool which concerns on this invention. It is an enlarged view of the contact part of an elastic contact piece. It is explanatory drawing which shows the use condition of the pest control tool which concerns on this invention .

Explanation of symbols

1 Floating plate 2 Elastic contact piece 4 Rain water tank
20 Cavity

Claims (3)

In the insect pest control tool used to lay pest eggs on the surface of stagnant water in rainwater traps provided in the middle of the drainage channel, and to prevent the emergence of insects on the water surface,
A floating plate floating on the surface of the accumulated water with a gap between the peripheral wall of the rainwater tank,
A hollow portion formed in a bag shape, provided so as to project outward on a peripheral edge of the floating plate, and provided with an elastic contact piece that elastically contacts the peripheral wall of the rainwater tank over the entire circumference. Pest control device.   The pest control device according to claim 1, wherein the floating plate is made of a foamed resin that is biodegradable and does not contain chlorine.   The pest control device according to claim 1 or 2, wherein the elastic contact piece is biodegradable and is provided by bonding and fixing a non-woven sheet made of non-chlorine to the peripheral edge of the floating plate.

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