JP3096489U - Filter for preventing foreign matter from flowing into the downspout - Google Patents

Abstract

(57) [Summary] [Problem] To provide a filter for preventing foreign matter from flowing into a downspout that can easily drain rainwater without causing clogging. The filter for use has a substantially V-shape extending from the central portion P of the frame A toward the edge 2 of the frame A at the opening 1 of the frame A having an arbitrary shape, and the leading end is formed at the edge of the frame A. Aggregates a and a fixed to frame 2 and frame A
Are provided with a plurality of openings 3 surrounded by edges 2 of
Since the opening 3 in the outer layer where the rainwater is concentrated is the widest, clogging can be effectively prevented.

Description

[Detailed description of the invention] [0001] [Technical field to which the invention belongs] This invention relates to the structure of a filter for preventing foreign matter from flowing into a downspout. [0002] [Prior art] Normally, the gutter, as shown in FIG. 4, has a gutter 4 for receiving rainwater from the roof and a gutter 4 An upper door (collector) 5 for collecting rainwater, and an elbow 7 for connecting a drain port of the upper door 5 and a downspout 6 And a downspout 6 that allows rainwater from the upper door 5 to flow into drains and the like. I have. [0003] Conventionally, when foreign matter such as fallen leaves flows into the downspout 6 together with rainwater from the drain port of the upper door 5. In the inside, it is clogged by a joint such as an elbow, and rainwater cannot be drained through the downspout 6. Since a serious problem sometimes occurred, as shown in FIG. The filter B provided with the mesh-shaped opening 9 or the slit-shaped opening 10 is installed and dropped. In some cases, a means of capturing foreign matter such as tobacco leaves with a filter B has been adopted. However, this had the following problems. [0004] The rainwater flowing out from the drain of the upper door 5 flows in such a manner that the inner surface of the upper door 5 is licked. Therefore, there is a phenomenon that the concentration occurs in the outer layer portion of the filter B, but this phenomenon can be dealt with. As described above, since the area of the openings 9 and 10 in the outer layer portion of the filter B is not increased, Clogging may occur at the drain port of the filter B. The flow velocity decreases at the drain port of the filter B, and if the flow velocity is high, it passes through the downspout 6 Even small foreign substances that can be discharged are captured, and the opening of the filter B is closed. Go away. [0005] If the joint of the elbow etc. is clogged, the joint of the elbow etc. is fixed with a bond. Is very difficult to clear, and in the worst case, It will be necessary to redo the construction work of the downspout. [0006] [Problems to be solved by the invention] This invention was made to solve the problems described in the prior art. Prevents foreign matter from flowing into downspouts that can easily drain rainwater without clogging The purpose of this is to provide a filter for use. [0007] [Means for Solving the Problems] The filter for preventing foreign matter from flowing into the downspout of the present invention is provided at an opening of a frame of an arbitrary shape. The frame extends in a substantially V-shape from the center of the frame toward the edge of the frame, and the leading end is the frame. Aggregate fixed to the edge of the body and a plurality of openings surrounded by the edge of the frame It is characterized by the following. [0008] [Embodiment of the invention] An example of an embodiment of the present invention will be described with reference to the drawings. Filter to prevent foreign matter from flowing in, such as a circular or square As shown in FIG. 1, the frame A having an arbitrary shape such as a shape has an opening 1 that is entirely open. ing. [0009] In addition, the shape of the frame body A is adapted to the shape of the drain port of the upper door 5 and the shape of the downspout 6. Is appropriately selected. [0010] As shown in FIG. 2, the opening 1 of the frame A is positioned between the center P of the frame A and the edge of the frame A. Aggregates a, a, which spread in a substantially V-shape toward the end 2 and whose leading end is fixed to the edge 2 of the frame A. And a plurality of openings 3 surrounded by the edge 2 of the frame A. [0011] In addition, in order to install the opening 3 expanding in a substantially V shape in the opening 1 of the frame A, for example, Or a stainless steel plate of a predetermined shape such as a square, a galvanized iron plate, etc. As shown in FIG. 2, an opening 4 is formed from the core toward the edge in a substantially V-shape. Punching with a punching die or using an injection molding machine Injection molding a hard plastic such as polyethylene into a shape as shown in FIG. It can be manufactured by the following. [0012] As can be seen from FIG. 2, the filter of the present application has an opening from the center to the outer layer. 3 spreads in a substantially V-shape. The rainwater flowing to lick the inner surface of the upper door 5 As it flows out through three parts, the flow velocity does not decrease as in the past. Clogging can be prevented. [0013] In addition, relatively large and light foreign substances such as fallen leaves are formed by tapering the inner surface of the upper door 5. Due to the slope, near the drain, the flow direction is toward the center of the filter, 3 are trapped in the narrow central part and do not block the wide opening 3 in the outer layer. [0014] The filter of the present invention is usually attached to the drain port of the upper door 5 (shown by a dotted line in FIG. 4). In addition, as shown in FIG. 4, inside the pipe joined to the elbows 7, 7 Intermediate pipe fitted with the filter of the present application (indicated by a dotted line in FIG. 4) in the middle 8 may be removably interposed. [0015] [Effect of the invention] Since the present invention is configured as described above, it has the following effects. As the area of the opening increases toward the outer layer of the filter, the flow rate of rainwater Is hardly reduced, and clogging can be prevented. Relatively large and light foreign substances such as fallen leaves are trapped in the center where the opening is narrow, Since the outer layer having a wide opening is hardly closed, clogging can be prevented. By inserting an intermediate pipe with a filter attached to a joint such as an elbow As a result, it is possible to prevent foreign matter from clogging in the elbow portion. Since the structure is simple, mass production can be performed at low cost.

[Brief description of the drawings] FIG. 1 is a schematic perspective view showing one embodiment of a frame of the invention. FIG. 2 is a schematic perspective view showing an embodiment of the invention. FIG. 3 is a plan view showing an embodiment of a conventional filter. FIG. 4 is an explanatory view showing a use state of the device. [Explanation of symbols] 1 Frame opening 2 edge 3 opening 4 Gutter 5 Ueto 6 Downspout 7 Elbow 8 Intermediate pipe 9 Reticulated openings 10 Slit-shaped openings A frame P Center of frame B Filter a aggregate

Claims (1)

Claims: 1. A filter for preventing foreign matter such as fallen leaves from flowing into a downspout, and an opening (1) of a frame (A) having an arbitrary shape. The central part (P) of the frame (A)
And an aggregate (a, a), which extends in a substantially V-shape toward the edge (2) of the frame (A) from above and has a front end fixed to the edge (2) of the frame (A). A filter for preventing foreign matter from flowing into a downspout, comprising a plurality of openings (3) surrounded by edges (2) of a frame (A).