JP3072185U - Sprinkling pipe block for snow removal - Google Patents

Abstract

(57) [Summary] [Problem] A branch pipe (3) provided with a watering nozzle (4) at the tip.
Is sprinkled in the radial direction from the pipe wall, and is branched in the same direction at a predetermined interval in the pipe axis direction.
Around the area, so that the snow-absorbing sprinkling pipe blocks hardened with concrete can be easily joined together. In the above-mentioned sprinkling pipe block for snow removal,
A pipe joint (5) is provided at one end of the watering pipe (2) in a joined state, and the other end of the watering pipe (2) is protruded from one end of the block body (1). A water sprinkling pipe (2) having the other end of the pipe joint (5) opened at one end and projecting toward one end of the block body (1).
By simply inserting the end of the pipe into the socket of the pipe joint (5) opened to the other end of the other block body (1), the sprinkling pipe blocks for snow removal can be joined together.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention is used for laying snow spraying ducts by block method, for example, at the center or end of general roads and residential roads in the coastal area of the Sea of Japan, which is a snowy area, or in other parking lots. It is related to a watering pipe block.

[0002]

[Prior art]

 Conventionally, a sprinkling pipe block for snow removal has each end of the sprinkling pipe projecting from both ends of the block main body, and one end of the sprinkling pipe protruding from one end of the block main body and protruding from one end of another block main body. One end of the watering pipe was joined using a pipe joint provided separately.

[0003]

[Problems to be solved by the invention]

 As described above, in the conventional water sprinkling pipe block for snow removal, it is necessary to join each end of the two sprinkling pipes to be joined with the pipe joints to the pipe joints, respectively. At the same time, a gap longer than the entire length of the pipe joint is created between the block bodies, and it is necessary to refill the pavement concrete and restore the pavement at the joint between the block bodies in the same way as around the block bodies. There was a problem.

Accordingly, it is a main object of the present invention to provide a water sprinkling pipe block for snow removal that can easily join the water sprinkling pipes of each block main body with almost no gap between the block main bodies.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, a water spray pipe block for snow removal according to claim 1 of the present invention has a branch pipe provided with a water spray nozzle at a tip thereof, which is radially branched from a pipe wall and is provided at a predetermined interval in a pipe axial direction. A sprinkling pipe block for snow removal, which is fixed with concrete around the one sprinkling pipe branched in the direction, is provided with a pipe joint at one end of the sprinkling pipe in a joined state, and the other end of the sprinkling pipe is provided at one end of the block body. An end portion is protruded, and the other socket of the pipe joint is opened at the other end of the block main body.

[0006] In the sprinkling pipe block for snow removal according to claim 2, in the sprinkling pipe block for snow removal according to claim 1, the pipe joint comprises a socket-type joint body and two rubber packings. A projection is formed on the inner surface of the intermediate portion of the joint body to form the bottom surface of both of the receiving portions, and a receiving portion from the other end of the joint body to the protrusion from the receiving portion from one end of the joint body to the projection. In addition to forming a large-diameter part, a packing groove for fitting rubber packing is formed in the middle part of the small-diameter receiving part and the middle part of the large-diameter receiving part, and one end of the water sprinkling pipe in the same block main body is formed. While being inserted into the small-diameter port and joined and held by the rubber packing of the small-diameter port, one end of a watering pipe projecting toward one end of the other block body is inserted into the large-diameter port, and The large-diameter port is joined and held by rubber packing, and the large-diameter port is connected to the port. At the gap between one end of the sprinkler pipe and the other end of the sprinkler pipe, one end of the sprinkler pipe that joins one end to the larger-diameter port is bent freely. It is a feature.

[0007]

[Action]

 In the sprinkling pipe block for snow removal according to claim 1, since the pipe joint is previously inserted into one end of the sprinkling pipe together with the sprinkling pipe in the block main body, the sprinkling pipes of each block body are joined together. It is only necessary to insert the end of the sprinkler pipe protruding from one end of the block main body into the socket of the pipe joint opened to the other end of the other block main body. The pipes can be easily joined together, and the sprinkling pipes of each block main body are joined in one block main body. It is now possible to join each other, and the work of filling the concrete between the blocks and filling the pavement and restoring the pavement can be performed more easily than before.As a result, the construction period of the block method can be shortened, etc. It is get things Ri.

[0008] In the sprinkler pipe block for snow removal according to claim 2, the joint between the joint body of the pipe joint and the sprinkler pipe can be performed only by inserting the end of the sprinkler pipe into each of the sockets of the joint body. Unlike the mechanical type pipe joints, tightening work with bolts and nuts is not required, and the connection of the watering pipes of each block body can be more easily performed. The flexible pipe joint structure can be used for roads and other installation environments. A watering conduit having flexibility and elasticity can be obtained properly and easily.

[0009]

[Embodiment of the invention]

 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a water sprinkling pipe block for snow removal according to the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1 to 7, the block has a columnar shape with a substantially octagonal cross section and is made of a reinforced concrete fixed-length block main body (1), and a pipe carbon provided at the core of the block main body (1). A single watering pipe (2) such as a steel pipe, and in the block body (1), radially branching from the pipe wall of the watering pipe (2) via a saddle joint (not shown), and a watering pipe. In the block body (1), the lower end is connected to the tip of each of the branch pipes (3) in the block body (1). A plurality of watering nozzles (4) for projecting the central part of the upper surface of the main body (1) upward substantially by the asphalt pavement thickness and integrally forming the head (1a) to expose the upper surface of the watering hole surface flush with the upper surface; In the block body (1), connected to one end of the watering pipe (2) The water sprinkling pipe (2) has one end protruding a predetermined length from one end of the block body (1), and one end of the block body (1) is connected to the male end. On the other hand, the other end of the pipe joint (5) is opened at the other end of the block body (1), and the other end of the block body (1) is formed as a female end.

As shown in FIG. 1 and FIGS. 8 to 12, the pipe joint (5) includes a socket body (6) made of cast iron and two ring-shaped rubber packings (7a) (7b). The joint body (6) is provided with a projection (10) that forms the bottom surfaces (8a) and (9a) of both receiving portions (8) and (9) on the inner surface of the intermediate portion, and one end of the joint body (6). And a sprinkling pipe between the spout (2) inserted into the spout (8) and the inner diameter of one receiving portion (8) from the bottom to the bottom surface (8a) of one side of the projection (10). (2) is formed so as to have a clearance enough to be inserted and removed, and the other receiving portion (9) from the other end of the joint body (6) to the bottom surface (9) of the other side surface of the projection (10). The sprinkling pipe (2) has a predetermined limit bending angle (10 ° to 10 °) between the inner diameter and the sprinkling pipe (2) inserted into the receiving portion (9). About 5 °) and dimensioned to have a gap (L) which can be bent up to form the inner diameter of the other of the receiving portion than the inner diameter of the one of the receiving portions (8) (9) in diameter. In addition, the middle portion of the small diameter receiving portion (8) is bulged outward to form a packing groove (11) into which one rubber packing (7a) is fitted, while the middle portion of the large diameter receiving portion (9) is formed. A pair of inner and outer groove side walls (12) are formed on the inner surface so as to protrude at predetermined intervals in the pipe axial direction, and are provided between the inner and outer groove side walls (12) on the inner surface of the intermediate portion of the large-diameter receiving portion (9). A packing groove (13) into which the other rubber packing (7b) is fitted is formed. Then, the end opposite to the end of the sprinkler pipe (2) projecting from the male end of the block body (1) is inserted into the small-diameter socket (8), thereby forming the small-diameter socket (8). A rubber packing (7a) is tightly attached to the inner surface and the outer surface of the sprinkler pipe (2) to prevent it from leaking and leaking, to hold it together, and to hold it, and to project to the male end of the other block body (1). The rubber packing (7b) is brought into close contact with the inner surface of the large-diameter receiving portion (9) and the outer surface of the sprinkling pipe (2) by inserting the portion into the large-diameter receiving portion (9). A sprinkling pipe (1) that joins and holds and connects one end of the small-diameter port (8) with a gap (L) between the large-diameter port (9) and one end of the water-supply pipe (2) inserted into the section. 2) One end is joined to the large-diameter port (9). The sprinkler pipe (2) is flexibly joined to the flexible pipe joint structure. There. A sprinkling pipe is formed on the inner surface of the large-diameter receiving portion (9) outside the packing groove (13) to form a tapered surface (14) that spreads outward, and one end of the water-draining pipe is joined to the large-diameter receiving portion (9). The bending of (2) is allowed up to the limit bending angle.

[0011] The rubber packings (7a) and (7b) are taped on the inner peripheral surfaces of the rubber packings (7a) and (7b) so that the inner diameter gradually decreases in the direction of insertion of the sprinkler pipe (2). A surface (15) is formed, and a V-shaped notch groove (16) is formed from a middle portion of the thick side end surface of the rubber packings (7a) (7b) to a widthwise middle portion of the rubber packings (7a) (7b). The rubber packings (7a) and (7b) are provided with folds (17) on the inner periphery thereof, and the rubber packings (7a) and (7b) are provided with a plurality of projections (18) having a semicircular cross section on the outer peripheral surface thereof. It is provided in parallel, and furthermore, a projection (19) having a semicircular cross section is provided on the outer peripheral surface of the fold portion (17), and approximately half of the outer sides of the rubber packings (7a) (7b) are connected to the respective receiving portions ( 8) Fit into the packing grooves (11) and (13) of (9), and (7a) A free state in which the folds (17) of approximately half of the inside of (7b) project obliquely toward the insertion direction of the water sprinkling pipe (2) into the inside of each of the mouthpieces (8) and (9). Then, the rubber packings (7a) and (7b) are mounted in the packing grooves (11) and (13) of the respective receiving portions (8) and (9) of the joint body (6), and the respective receiving portions of the joint body (6) are mounted. (8) The entire rubber packing (7a) (7b) is elastically (compressed) deformed by the watering pipe (2) inserted into (9) into the packing grooves (11) and (13). 7a) The outer peripheral surfaces of (7b) are brought into close contact with the groove bottom surfaces of the packing grooves (11) and (13), and both end surfaces of the rubber packings (7a) and (7b) are grooved in the packing grooves (11) and (13). The inner surface of the folds (17) of the rubber packings (7a) and (7b) is attached to the watering pipe ( ), And a plurality of projections (18) are provided on the outer peripheral surface of the rubber packings (7a) and (7b), so that the rubber packing (7a) is provided on the bottom of the packing grooves (11) and (13). (7b) Sprinkling of the sprinkling pipe is achieved by alternately providing strong and weak in the adhesion force of the outer peripheral surface and by providing a projection (19) on the outer peripheral surface of the fold (17) of the rubber packing (7a) (7b). (2) The rubber packing (7a) and (7b) have strong and weak adhesion to the inner peripheral surface, and the rubber packing (7a) (7b) has a fold (17) on the inner peripheral portion. The rubber packings (7a) and (7b) can improve the adhesion of the inner surfaces of the rubber packings (7a) and (7b) to the outer peripheral surface of the watering pipe (2) without increasing the insertion resistance of the watering pipe (2). The ability to prevent and prevent leakage (joint holding performance) It is configured to above.

[0012] Two sprinkling pipes (2) are joined using the above-mentioned pipe joint (5), a stopper is attached to the other end of each sprinkling pipe (2), and the sprinkling pipe (2) is put on a test stand. Fix the other end of. After that, water was put into the watering pipe (2), air was released, a pump was connected, and a pressure resistance / bending test was performed on the pipe joint (5) that maintained pressurization for 3 minutes. The nominal diameters were 50A, 65A, 80A, and 125A. 0.1 (MPa), 0. At 3 (MPa), 0.5 (MPa), and 1.0 (MPa), there was no leakage without any abnormality. 9.5 ° with 50A pipe joint, 10.0 ° with 65A pipe joint, 80A with 80A 10.5 ° was obtained with the pipe joint of No. 1500, and the critical bending angle of 15.0 ° was obtained with the pipe joint of 125 A.

The sprinkling pipe block for snow removal described above is manufactured in a factory. First, a branch pipe (3) is attached to a sprinkling pipe (2), while a plurality of main reinforcing bars (20a) which are straight iron bars are attached. And a plurality of distributing bars (20b) in which an iron bar is bent in a circular shape and both ends are welded to each other, to assemble a cylindrical reinforcing bar (20). Then, the rebar (20) is placed in a dedicated formwork that can be used repeatedly, and a sprinkler pipe (2) with a branch pipe (3) attached to the center of the rebar (20) is inserted and arranged. Attach a watering nozzle (4) to the tip of each branch pipe (3) that stands upward from (2) and protrudes above the reinforcing bar (20), and assembles a formwork. Thereafter, concrete is poured into the formwork to sufficiently cure and the block body (1) is molded, whereby the above-described water spray pipe block for snow removal can be manufactured.

[0014] When the water sprinkling pipeline is laid on the existing road by the block method using the water sprinkling pipe block for snow removal as described above, first, as shown in FIG. The asphalt pavement (21) with a predetermined width is cut, demolished, excavated, leveled, and treated with soil, and finished into a square pipe groove (22). The bottom of the pipe groove (22) at the block joint is cut off. After rolling, the reinforced concrete pedestal block (23) is installed at a predetermined distance below the predetermined planned height, and the top end surface of the pedestal block (23) is horizontally and vertically (tube axis) oriented using a level. After adjusting to the vertical gradient of the road, the bottom of the pipe groove (22) between the pedestal blocks (23) is compacted. Next, as shown in FIG. 14, the block main bodies (1) are sequentially installed in the center of the pipe groove (22), and are opened at the female end of one block main body (1) of the adjacent block main body (1). One end of a sprinkling pipe (2) projecting from the male end of the other block body (1) is inserted into the socket of the pipe joint (5), and the sprinkling pipe (2) in the adjacent block body (1) is inserted. 2) The two blocks are joined on the pedestal block (23), that is, the adjacent block bodies (1) are joined on the pedestal block (23) (see FIGS. 1, 8, and 9). After the sprinkling pipes are formed, the filling concrete (24) is driven into the pipe grooves (22), and the joint between the side and bottom surfaces of each block body (1) and each block body (1) is formed. Fill small gaps with filling concrete (24), and asphalt pavement thickness below the road surface Finish the crest of Matsume concrete (24) to. Next, as shown in FIG. 15, after the surface hardening of the filling concrete (24) starts, it rises around the top of the filling concrete (24) and around the top of the filling concrete (24). After applying asphalt primer (25) to both side surfaces of the pipe groove (22) and both side surfaces of the head (1a) of each block body (1) projecting upward from the top end of the filling concrete (24), Fill the asphalt (26) onto the interposed concrete (24), roll it, and finish the top of the asphalt (26) flush with the surface of the surrounding asphalt pavement (21). The asphalt pavement (21) before excavation is restored with the upper surface of the head (1a) being exposed flush with the surface of the asphalt pavement (21), and the process is completed.

According to the above-mentioned block method, a water sprinkling pipe is piped underground at the center or end of the road along the pipe planning line (Y), and the water sprinkling hole surface of the water sprinkling nozzle (4) is asphalt. On the surface of the pavement (21), it is exposed at approximately equal intervals along the sprinkling pipes that are piped underground, and sprinkles groundwater and river water sent through the sprinkling pipes from the sprinkling nozzles (4) onto the road surface. Thus, a snow melting (snow melting) facility for melting snow on the road surface can be obtained. When the water spray pipe block for snow removal is to be constructed at the same time as the pavement work, as shown in Fig. 16, when the crushed stone roadbed (27) is finished or in the middle, the crushed stone roadbed (27) is inverted in cross section. After excavating a shallow trapezoidal installation groove (28) and sequentially performing the installation and joining of the block body (1) from the installation of the pedestal block (23), the rooting concrete (29) is driven into the installation groove (28). The main body of each block (1) will be established and the pavement work after the crushed stone roadbed construction will be continued. Finally, it will be finished in the same condition as when the water spray pipe block for snow removal is laid on the existing road. 13 to 16, the left side shows a cross section of an intermediate portion of the block main body (1), and the right side shows a cross section of a joint portion between the block main bodies (1) with respect to the piping planning line (Y).

As described above, the water spray pipe block for snow removal according to the present embodiment branches the branch pipe (3) provided with the water spray nozzle (4) at the tip in the radial direction from the pipe wall and places the branch pipe (3) in the pipe axial direction. A pipe joint (5) is joined to one end of the water sprinkling pipe (2) in a snow water sprinkling pipe block made of concrete around the one water sprinkling pipe (2) that branches in the same direction at regular intervals. And the other end of the watering pipe (2) is protruded from one end of the block body (1), and the remaining socket of the pipe joint (5) is inserted into the other end of the block body (1). Since the pipe joint (5) is previously inserted into one end of the water sprinkling pipe (2) together with the water sprinkling pipe (2) in the block main body (1), watering of each block main body (1) is performed. The pipes (2) are joined together at one end of the block body (1). It is only necessary to insert the end of the watering pipe (2) projecting to the side into the socket of the pipe joint (5) opened to the other end of the other block body (1). The sprinkling pipes (2) of the block body (1) can be easily joined together, and the sprinkling pipes (2) of each block body (1) can be joined together in one block body (1). Therefore, the watering pipes (2) of each block body (1) can be joined to each other with almost no gap between the block bodies (1), and the concrete between the block sections (1) can be filled. The filling and pavement restoration work of (24) can be performed more easily than before. As a result, the construction period of the block method can be shortened.

The pipe joint (5) comprises a socket-shaped joint body (6) and two rubber packings (7a) (7b), and both receiving portions are provided on the inner surface of the intermediate portion of the joint body (6). (8) Protrusions (10) forming the bottom surfaces (8a) and (9a) of (9) are provided, and a fitting body (8) is formed from a receiving portion (8) from one end of the joint body (6) to the protrusion (10). The receiving portion (9) from the other end of (6) to the protrusion (10) is formed to have a large diameter, and the intermediate portion between the small-diameter receiving portion (8) and the large-diameter receiving portion (9). And packing grooves (11) and (13) for fitting rubber packings (7a) and (7b) into the parts, and one end of the watering pipe (2) in the same block body (1) is connected to a small-diameter port ( 8) and hold it by the rubber packing (7a) of the small-diameter port (8), while projecting it to one end of the other block body (1). One end of the sprinkling pipe (2) is inserted into the large-diameter port (9), and is joined and held by the rubber packing (7b) of the large-diameter port (9). ) And one end of the water sprinkling pipe (2) inserted into the part (9), and the large-diameter spouting pipe (2) having one end joined to the small-diameter receiving port (8). The sprinkling pipe (2) having one end joined to the mouth (9) is flexibly joined. The joint between the joint body (6) of the pipe joint (5) and the sprinkling pipe (2) is connected to the joint. This can be done simply by inserting the end of the watering pipe (2) into each of the sockets (8) and (9) of the main body (6), eliminating the need for tightening work with bolts and nuts as with mechanical type pipe joints. In addition, the watering pipes (2) of each block body (1) can be more easily joined together, and the flexible pipe joint structure can be used in roads and other installation environments. Gender, stretchability properly sprinkling pipe with, and, in which can be easily obtained.

[0018]

[Effect of the invention]

 As is clear from the above embodiment, the snow-sprinkling pipe block according to the first aspect of the present invention has a branch pipe (3) provided with a sprinkling nozzle (4) at a tip thereof, which is branched radially from the pipe wall. A single water sprinkling pipe (2) that branches in the same direction at a predetermined interval in the pipe axis direction is provided with a pipe joint (5) at one end of the water sprinkling pipe (2) in a snow sprinkling pipe block fixed with concrete. Are provided in a joined state, and the other end of the watering pipe (2) is protruded from one end of the block body (1), and the other end of the pipe joint (5) is protruded from the other end of the block body (1). It is characterized in that the receiving port is opened, and a pipe joint (5) is previously inserted into one end of the water sprinkling pipe (2) in the block body (1) in a joined state. So, joining of the watering pipes (2) of each block body (1) Then, simply insert the end of the watering pipe (2) projecting from one end of the block body (1) into the socket of the pipe joint (5) opened on the other end of the other block body (1). The sprinkling pipes (2) of each block body (1) can be easily joined together as compared with the conventional case, and the sprinkling pipes (2) of each block body (1) can be joined together with one block. Since it is performed in the main body (1), the watering pipes (2) of each block main body (1) can be connected to each other with almost no gap between each block main body (1). The filling of the filling concrete (24) and the pavement restoration work can be performed more easily than before. As a result, the construction period of the block method can be shortened.

[0019] In the water spray pipe block for snow removal according to claim 2, the pipe joint (5) is a socket-type joint body (6) and two rubber packings. (7a) and (7b), and a projection (10) for forming the bottom surfaces (8a) and (9a) of both receiving portions (8) and (9) is provided on the inner surface of the intermediate portion of the joint body (6). From the receiving part (8) from one end of the hand main body (6) to the projection (10), the receiving part (9) from the other end of the joint body (6) to the projection (10) is formed with a large diameter. In addition, packing grooves (11) and (13) for fitting rubber packings (7a) and (7b) are formed in an intermediate portion of the small-diameter receiving portion (8) and an intermediate portion of the large-diameter receiving portion (9), One end of the watering pipe (2) in the same block body (1) is inserted into the small-diameter port (8), and the small-diameter port (8) is inserted. 8) While being joined and held by the rubber packing (7a), one end of the water sprinkling pipe (2) projecting from one end of the other block body (1) is inserted into the large-diameter socket (9). A gap (L) between the large-diameter port (9) and one end of a water sprinkling pipe (2) inserted and held in the large-diameter port (9) with a rubber packing (7b). The sprinkler pipe (2) having one end joined to the large-diameter port (9) is flexibly joined to the sprinkler pipe (2) having one end joined to the small-diameter port (8). The joint between the joint body (6) of the pipe joint (5) and the sprinkling pipe (2) is connected to the sprinkling pipe (2) at each of the receiving portions (8) and (9) of the joint body (6). Since it can be performed simply by inserting the end of the block, there is no need for tightening work with bolts and nuts as in the case of mechanical type pipe joints. The sprinkling pipes (2) of (1) can be more easily joined together, and the flexible sprinkling pipes having flexibility and elasticity corresponding to the installation environment such as roads can be properly and flexibly connected. It can be easily obtained.

[Brief description of the drawings]

FIG. 1 is an enlarged side cross-sectional view of a joint before joining a sprinkling pipe block for snow removal.

FIG. 2 is a plan view of the whole water spray pipe block for snow removal.

FIG. 3 is a side sectional view of the whole water spray pipe block for snow removal.

Fig. 4 Reinforcement diagram of the whole water spray pipe block for snow removal

FIG. 5 is a cross-sectional view of the middle part of a water spray pipe block for snow removal.

FIG. 6 is an end view of the female side of a water sprinkling pipe block for snow removal.

FIG. 7 is a male side end view of a water spray pipe block for snow removal.

FIG. 8 is a partial sectional side view of a sprinkling pipe block for snow removal after joining.

FIG. 9 is an enlarged cross-sectional side view of a joint after joining a sprinkling pipe block for snow removal.

FIG. 10 is a side sectional view of a joint body.

FIG. 11 is a side sectional view of a rubber packing.

FIG. 12 is a side sectional view of a pipe joint.

FIG. 13 is an explanatory view of a first operation when laying a water sprinkling pipe block for snow removal on an existing road.

14 is an explanatory diagram of a second operation in FIG.

FIG. 15 is an explanatory diagram of a third operation in FIG. 13;

FIG. 16 is an explanatory diagram of work in the case where a water sprinkling pipe block for snow removal is simultaneously constructed with pavement work.

[Explanation of symbols]

 (1) Block body (2) Sprinkler pipe (3) Branch pipe (4) Sprinkler nozzle (5) Pipe joint (6) Joint body (7a) Rubber packing (7b) Rubber packing (8) Small-diameter port (9) Large-diameter port (8a) Small-diameter port bottom (9a) Large-diameter port bottom (10) Projection (11) Packing groove (13) Packing groove (17) Fold (18) Projection (19) Projection

Claims (2)

[Utility model registration claims] 1. A branch pipe provided with a watering nozzle at the tip is branched from a pipe wall in a radial direction, and one watering pipe, which is branched in the same direction at a predetermined interval in a pipe axis direction, is solidified with concrete. In the water sprinkling pipe block for snow removal,
A pipe joint is provided in one end of the water sprinkling pipe in a joined state, the other end of the water sprinkling pipe is protruded at one end of the block main body, and the remaining receptacle of the pipe joint is opened at the other end of the block main body. A water spray pipe block for snow removal. 2. A pipe joint comprising: a socket-type joint body;
And a rubber packing, and a projection that forms the bottom surface of both receiving portions is provided on the inner surface of the intermediate portion of the joint body.From the receiving portion from one end of the joint body to the projection, the other end of the joint body is A spout pipe in the same block main body is formed with a large-diameter reception port up to the projection, and a packing groove for fitting rubber packing in the middle of the small-diameter reception port and the middle of the large-diameter reception port. Is inserted into the small-diameter port, and the small-diameter port is joined and held by the rubber packing, while one end of the watering pipe projecting toward one end of the other block body is inserted into the large-diameter port. And a sprinkling pipe joined and held by the rubber packing of the large-diameter receiving portion, and one end of the sprinkling pipe joined to the small-diameter receiving portion in a gap between the large-diameter receiving portion and one end of the sprinkling pipe inserted into the portion. To bend the sprinkling pipe that joins one end to the large-diameter port Motomeko 1 snow melting watering pipe block described.