JP2743052B2 - Fire extinguishing, water intake body and method of manufacturing the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand-type feed / water outlet main body to be installed outdoors for connection to a fire extinguishing water discharge pipe, and to a method of manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, a stand-type main body for water supply and water sampling, which is installed outdoors to be connected to a water discharge pipe for fire extinguishing, is connected to a spherical head having a single port or a double port, and screwed thereto. ,
And, at the lower end, a cylindrical column integrally having a mounting portion to be screwed into a water supply port provided on the installation surface, and at least the head of these components is exclusively used due to its complicated shape. It is manufactured by casting from bronze, brass or gunmetal material, and after casting, it is commercialized by polishing the surface and applying chrome plating.

[0003]

However, the conventional transmission,
According to the water sampling port body, at least the head is made of bronze, brass, or gunmetal that can be cast, and the surface is chrome-plated, so it is weak in discoloration resistance and corrosion resistance, and particularly severe in air pollution. In urban areas, discoloration and corrosion occur in a few months, not only remarkably impairing the beauty of the city, but also connecting the head and the post and the metal fittings to be attached to the single or double mouth, respectively. In addition, there has been an inconvenience that the threading and screw connection work for the component parts are troublesome.

[0004]

Accordingly, in the present application, each component is made of a highly corrosion-resistant weldable stainless steel or a material having the same effect, and preferably, the head, the support, and the mouth metal are welded. It is connected by. Ie fire fighting,
The water sampling port main body is a fire extinguishing feed and water sampling port main body formed by connecting a head made of stainless steel or the same material with a support having a mounting portion directly or indirectly provided by a mounting member at a lower end thereof. The head body is formed by welding a cylindrical middle frame to a lower end opening surface of a bowl-shaped cap, and at least one side surface of the head body has a circular hole and a peripheral edge of the circular article. An annular flange protruding outward is provided, and a mouth fitting is connected to an opening end surface of the flange.

As a method of manufacturing a fire extinguishing feed and water sampling port main body, stainless steel or a stainless steel or a similar material is attached to the opening end surface of a cup-shaped cap obtained by drawing a punched plate made of the same material. By welding the upper end opening surface of the cylindrical middle frame made of the effective material to form the head, a hole is drilled in at least one portion of the side surface, and by burring the hole, An annular flange piece protruding outward along the periphery of the circular hole is integrally provided, and then a mouth fitting is connected to the opening end face of the flange piece. When the upper end opening surface of the cylindrical column made of the same material is connected, and when the mounting portion is formed separately, a mounting member is connected to the lower end opening of the column. . In the single-mouth type, a single mouth is provided on the side of the head, and in the double-mouth type, the mouth is located at two places at the top and bottom of the side of the head or at two places at the left and right of 120 ° angle. Provided.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a main body of a single-port type water supply and water sampling apparatus according to an embodiment of the present invention; FIG. A head 3 formed by welding an upper end opening surface of a cylindrical intermediate frame 2 to a lower end opening surface, a long column 4 welded to the lower end opening surface, and a long post 4 welded to the lower end opening portion. A mounting member 5 screwed to a water supply port provided on the installation surface, and a circular hole 6 and an annular shape projecting outward along a peripheral edge of the circular hole 6 on a side surface of the head body 3. A flange 8 for connecting a water discharge pipe is welded to an end surface of the flange, and the cap 1, the middle claim 2, the support 4, the mounting member 5, and the flange are provided. 8 is made of weldable stainless steel having high corrosion resistance.

More specifically, as shown in FIG. 4A, the cap 1 is formed by punching a disc-shaped punched plate into a cup-like shape and forming a cylindrical middle frame 2 on its lower end opening surface.
4B, the upper end surface is integrally joined by welding P to form a head body 3 whose upper surface is curved in an arc shape and is opened at the lower end as shown in FIG. 4B. Then, as shown in FIG.
As shown in FIG. 4D, a flange portion 7 is formed on the circular hole 6 so as to project outward by burring, and another flange portion 7 is formed on the end face of the flange portion 7 as shown in FIG. 4D. The mouth fitting 8 formed on the body is joined by welding P. In this way, after welding the upper end opening surface of the long column 4 formed in a cylindrical shape to the lower end opening surface of the head 3 having a single mouth, the lower portion is narrowed to the inner surface of the lower end of the column 4. Formed into a diameter,
The upper part of the mounting member 5 consisting of a short pipe with a screw 9 on its outer periphery is fitted, and the fitting part is fixed by welding P. Also, at the position below the flange 7, the mouth metal fitting 6 is provided.
A mounting screw portion 11 for supporting a chain provided on a lid piece 10 for closing the cover is attached.

FIGS. 5 and 6 show an upper and lower dual-port type feeding / water sampling port main body. The difference from the single-port type feeding / water sampling port main body is that the length of the middle frame 2 is extended. A vertically elongated head 13 is formed, and a circular hole 6 and a flange 7 formed by burring are provided at upper and lower positions on the side surfaces, respectively, and a mouth metal 8 is joined to an end face of each flange 7 by welding P. And
The point is that mounting screw portions 11 are provided corresponding to the respective circular holes 6, and the other configurations are the same.

FIGS. 7 and 8 show a main body of a two-port type feeding / water sampling port, which is different from the main body of a single port type feeding / water sampling port in that the radius of curvature of the cap 1 is increased and The head 14 is formed by bending the upper portion 2a of the middle frame 2 into a bowl shape in accordance with the lower end opening surface and joining them by welding P. At two locations, a circular hole 6 and a flange 7 formed by burring are provided, and a mouth fitting 8 is joined to the end face of each flange 7 by welding P.
The mounting screw portion 11 is provided at an intermediate position of the above, and other configurations are the same. In the above, welding marks are removed from the welded portion P by surface polishing.

In each of the above embodiments, the heads 3 and 13
Although the case where the outer diameters of the support 4 and the support 4 are equal is shown, as in the conventional configuration, when the support 9 is directly provided by applying the screw 9 to the lower end of the support and provided directly on the installation surface, A small-diameter column 16 is used to fit the diameter of the water supply port, and the lower portions of the heads 3 and 13 are configured to have a small diameter in accordance with the outer diameter of the column. That is, FIG. 9 shows a single-port type water supply / water sampling port main body.
FIG. 1 shows a case where the lower portion 3a of the head 3 joined to the support 14 is formed to have a small diameter so as to be equal to the outer diameter of the support 16.
0 is the upper and lower two-port type feed and sampling port body,
4 shows a case in which the lower part 13a of the head 13 to be joined to the support body 4 is formed to have a small diameter so as to be equal to the outer diameter of the support column 16. Such a configuration is not shown, but is not shown. It is also applied to the water intake body.

In the above-described embodiment, the most preferred embodiment has been described in which the heads 3, 13, 14 and the columns 4, 16 and the mounting member 5 and the mouth metal 8 are welded, respectively. It is a matter of course that the components may be connected to each other by screwing in the same manner as in the related art. In this case, a product having excellent corrosion resistance can be provided.

[0012]

As described above, according to the present invention, since it is manufactured from a weldable metal material having high corrosion resistance, its aesthetic appearance can be maintained for a long period of time, and it is extremely economical. In addition, it is easy to manufacture regardless of whether it is a single port type or a double port type.
According to the configuration of the ninth aspect, there is an advantage that screwing and screw connection work can be omitted.

[Brief description of the drawings]

FIG. 1 is an overall front view partially omitted.

FIG. 2 is a longitudinal side view of the whole, partially omitted.

FIG. 3 is a top view across the head

FIG. 4A is a longitudinal sectional view of a cap.

FIG. 4B is a longitudinal sectional view showing a state where the middle frame is welded to the cap.

FIG. 4C is a longitudinal sectional view showing a state in which a circular hole is opened.

FIG. 4D is a longitudinal sectional view showing a state where a flange is provided.

FIG. 4E is a longitudinal sectional view showing a state in which a mouth fitting is welded.

FIG. 5 is a front view of an upper and lower two-port type partly omitted.

FIG. 6 is a longitudinal sectional view of the same.

FIG. 7 is a longitudinal side view of a left-right dual-port type partially omitted.

FIG. 8 is a cross-sectional top view thereof.

FIG. 9 is a front view showing another embodiment in the case of a single-port type partially omitted.

FIG. 10 is a front view showing another embodiment in the case of an upper and lower two-port type partly omitted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cap 2 Medium frame 3,13,14 Head 416 Support 5 Mounting member 6 Circular hole 7 Flange 8 Mouth fitting 9 Screw 15 Mounting part P Welding part

Claims (9)

(57) [Claims] 1. A fire extinguishing feed and water intake main body comprising a head body made of stainless steel or the same material and connected to a support having a lower end directly provided with a mounting portion or indirectly provided by a mounting member. The head body is formed by welding a cylindrical inner frame to the lower end opening surface of the cup-shaped cap, and at least one side of the head body has a circular hole and an outwardly extending edge along the periphery of the circular hole. And a mouthpiece is connected to an opening end face of the flange piece. 2. A circular hole is provided at each of two upper and lower sides of the head.
2. A fire extinguishing system according to claim 1, further comprising: an annular flange protruding outward along a periphery of the circular hole; and a mouth fitting connected to an opening end surface of each of the flanges. Minakuchi body. 3. A circular hole is provided at each of two substantially 120 ° angles on the side surface of the head, and annular flange pieces protruding outward along the periphery of the circular hole are provided. 2. The fire extinguishing feed and water sampling main body according to claim 1, wherein a mouth fitting is connected to each of the open end faces of the fire extinguisher. 4. The method according to claim 1, wherein the lower end opening of the head is welded to the upper end opening of the column, the mounting member is connected to the lower end opening of the column, and the mouth fitting is connected to the opening end of the flange piece. Term 1,
The fire extinguishing feed and water outlet body described in 2 or 3. 5. A lower end opening surface of a cup-shaped cap obtained by drawing a punched plate made of stainless steel or the same material,
The head body is formed by welding the upper end opening surface of a cylindrical middle frame made of stainless steel or the same material as the head body, and a circular hole is formed in at least one portion of the side surface, and the circular hole is burred. By processing, an annular flange piece protruding outward along the periphery of the circular hole is provided integrally, and then a mouth fitting is connected to the opening end face of the flange piece, and further, the lower end opening face of the head body A method of manufacturing a fire extinguishing feed and water intake body, wherein an upper end opening surface of a cylindrical support made of stainless steel or the same material is connected to a lower end opening of the support. 6. A lower end opening surface of a cup-shaped cap obtained by drawing a punched plate of stainless steel or the same material,
The head body is formed by welding the upper end opening surface of a cylindrical middle frame made of stainless steel or the same material as the head body, and a circular hole is formed in at least one portion of the side surface, and the circular hole is burred. By processing, an annular flange piece protruding outward along the periphery of the circular hole is provided integrally, and then a mouth fitting is connected to the opening end face of the flange piece, and further, the lower end opening face of the head body A fire extinguishing feed and water intake body, characterized in that an upper end opening surface of a cylindrical column, which is made of stainless steel or the same material as the above and has an attachment part integrally at the lower end, is connected. 7. A circular hole is formed in each of two upper and lower portions of a side surface of the head, and the circular holes are formed by burring to form annular flange pieces projecting outward along the periphery of the circular hole. 7. The method for producing a fire extinguishing feed and water intake main body according to claim 5, wherein a mouth fitting is connected to the opening end surface of each flange piece, respectively. 8. A circular hole is formed at each of two right and left sides of a side surface of the head at an angle of approximately 120 °, and the circular hole is projected outward along a peripheral edge of the circular hole by burring. 7. The method for manufacturing a fire extinguishing feed and water sampling port body according to claim 5, wherein annular flange pieces are provided integrally with each other, and then mouth fittings are respectively connected to the opening end faces of the respective flange pieces. 9. The method according to claim 1, wherein the lower end opening of the head body is connected to the upper end opening of the column, the mounting member is connected to the lower end opening of the column, and the mouth fitting is connected to the opening end of the flange piece. 5,
7. The method for producing a fire extinguishing feed and water sampling port main body according to 7 or 8.