JPH0660662U - Connected water pipe - Google Patents

Abstract

(57) [Abstract] [Purpose] A stand-type connecting water pipe installed around the building and used for fire fighting activities, regardless of where the pump vehicle is stopped, etc. In addition, it is possible to easily connect and prevent congestion of the connecting hose. [Structure] A pipe-shaped support column 1 connected to a pipe such as a sprinkler facility or a fire hydrant facility is connected and fixed with a head pipe 2 having a water supply port 6 at an upper or lower position or a head pipe 2 having a water supply port at a left or right position. In the water pipe, a part of the head pipe 2 or the entire head pipe 2 is configured to be rotatable with respect to the support column 1 so that the direction of the water supply port 6 can be changed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a stand-type connected water pipe installed in a standing state on the ground surface near a building and connected to pipes of sprinkler equipment, fire hydrant equipment, etc. and used for fire fighting activities.

[0002]

[Prior art]

 In general, around the building where sprinkler equipment, fire hydrant equipment, etc. are installed, stand-type connected water pipes used by the fire brigade for fire fighting activities are installed. Conventionally, as this type of stand-type connected water supply pipe, the one shown in FIG. 7 and the one shown in FIG. 8 are known. That is, the former connected water pipe is erected on the ground surface near the building and is connected and fixed to the pipe-shaped column 20 connected to the pipes of sprinkler equipment, fire hydrant equipment, etc. It is composed of a head pipe 22 having a water supply port 21 formed at a position, a check valve (not shown) provided in each water supply port 21 and the like. In addition, the latter connecting water pipe is erected on the ground surface near the building, and is connected to the pipe-shaped support column 20 connected to the pipes of sprinkler equipment, fire hydrant equipment, etc. It is composed of a head pipe 22 having a water supply port 21 formed therein and a check valve (not shown) provided in each water supply port 21. Then, each of the connected water pipes is connected to the water supply port of the pump of the pump car through a connecting hose during fire fighting, and the water sent from the pump of the pump car is sent to the sprinkler and the fire hydrant in the building. It is made possible.

[0003]

[Problems to be solved by the device]

 However, in each of the conventional connected water pipes, the direction of the water supply port 21 is fixed, so when the pump vehicle is stopped near enough, the connecting hose may be partially or entirely enlarged. There is a problem that it is difficult to connect the hose because it needs to be bent. In particular, since the connecting hose mounted on the pump vehicle uses a shape-retaining hose having a sufficient hardness, the above problem is further aggravated. In addition, in the connection water pipe having the water supply port 21 at the top and bottom, when connecting the connection hose to each water supply port 21, the hose will overlap vertically regardless of the stop position of the pump vehicle. There is a problem that it is difficult to connect. Further, when a plurality of connected water supply pipes are installed side by side, it is necessary to secure a sufficient installation interval so that the connecting hose does not become congested. However, when the number of pump vehicles increases or when the number of pump vehicles stops nearby, the connection hose may be congested and smooth fire extinguishing work can be performed even if the connection water pipes are installed at sufficient intervals. There is a problem of not saying. In particular, in a connected water supply pipe in which the water supply port 21 faces in the left-right direction, the connecting hose easily becomes congested, which is a serious problem.

The present invention was devised to solve the above problems, and its purpose is to easily and easily connect to a pump vehicle through a connecting hose regardless of the stop position of the pump vehicle. It is to provide a stand-type connecting water pipe that can be connected and can prevent the congestion of the connection hose.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the connection water pipe according to claim 1 of the present invention is connected to and fixed to the upper end of the pipe-shaped support pillar installed upright on the ground surface in the vicinity of the building. In a stand-type connected water supply pipe having a head pipe with a water supply port formed in each of the water supply ports and a check valve provided at each water supply port, the head pipe is connected to the upper head pipe between the upper and lower water supply ports. And a lower head tube, and a rotary connection mechanism that can pivotally connect the upper head tube to the lower head tube is provided between the upper head tube and the lower head tube. Further, the connecting water pipe according to claim 2 is a pipe-shaped column that is installed upright on the ground surface near the building, and a head pipe that is connected and fixed to the upper end of the column and has a water port formed in the vertical position. In a stand-type connected water supply pipe equipped with a check valve provided at each water supply port, between the head pipe and the support, a rotation connection mechanism capable of pivotally connecting the head pipe to the support is provided. Further, the head pipe is divided into an upper head pipe and a lower head pipe between the upper and lower water supply ports, and the upper head pipe and the lower head pipe are provided between the upper head pipe and the lower head pipe. A rotary connection mechanism that can be pivotally connected to is installed. Furthermore, the connecting water pipe according to claim 3 is a head in which a pipe-shaped support column installed upright on the ground surface near the building and a fixed connection to the upper end of the support column, and a water supply port formed in the vertical position. In a stand-type connected water supply pipe comprising a pipe and a check valve provided at each water supply port, a rotation connection mechanism capable of pivotally connecting the head pipe to the support between the head pipe and the support. Is installed. In addition, the connection water supply pipe according to claim 4 is a head pipe having a pipe-shaped support installed in an upright state on the ground surface near the building and a water supply port connected to and fixed to the upper end of the support, at the left and right positions. And a check valve provided at each water supply port, in a stand-type coupled water pipe, a rotary connection mechanism is provided between the head pipe and the column so that the head pipe can be pivotally connected to the column. It was set up.

[0006]

[Action]

 During fire extinguishing activities, the pump vehicle will be stopped near the connecting water pipe, and each water outlet of the pump of the pump vehicle and the water outlet formed on the head pipe of the connecting water pipe will be connected via a connecting hose. At this time, change the direction of the head tube to any direction so that the hose can be easily connected. Then, after connecting the pump vehicle and the connecting water pipe with the connecting hose, when the pump is operated, the water sent from the water outlet of the pump vehicle goes through the connecting hose and the connecting water pipe to the sprinkler and fire hydrant in the building. Water is sent.

In the connected water supply pipe of the present invention, a part of the head pipe having the water supply port or the entire head pipe can be swung freely with respect to the support column, so that when connecting to a pump vehicle, for example, a pump Even if the vehicle stops near the connecting water pipe, the bending of the connecting hose can be reduced by turning the head pipe and changing the direction of the water inlet. As a result, the hose can be easily connected to the connecting water pipe. In addition, in the case of a head pipe that has upper and lower water supply ports and is divided vertically between the water supply ports, by rotating part of the head pipe to change the direction of the water supply port, the hose does not overlap vertically. Can be connected. As a result, the connection of the hose can be easily performed even with the connected water supply pipe having the water supply ports at the top and bottom. Furthermore, even if a plurality of connected water supply pipes are installed side by side, it is possible to prevent the hose from converging by changing the direction of the head pipe. As a result, a smooth fire extinguishing work can be performed.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 3 show a stand-type connecting water pipe according to a first embodiment of the present invention, which is installed around a building where sprinkler equipment, fire hydrant equipment, etc. are installed, It is composed of a column 1, a head tube 2, a check valve 3, a rotary connection mechanism 4, and the like.

The pillar 1 is formed of a metal pipe like a conventionally known one, is erected on the ground surface near the building, and is connected and fixed to a pipe such as a sprinkler facility or a fire hydrant facility. . Further, screw portions 1a for connection are formed at the upper and lower ends of the column 1. Reference numeral 5 is a decorative plate attached to the lower end of the column 1.

The head tube 2 is formed in a pipe shape whose upper end is closed by a metal material, has water supply ports 6 at the upper and lower positions of the peripheral wall, and is vertically divided between the water supply ports 6. ing. In this embodiment, the head tube 2 has a pipe-shaped upper head tube 2A whose upper end is closed and a water supply port 6 is formed in a peripheral wall, and a rotary connection mechanism 4 described later at the lower end of the upper head tube 2A. It is composed of a pipe-shaped lower head pipe 2B which is rotatably connected and has a water supply port 6 formed on a peripheral wall portion thereof. The lower head pipe 2B is attached to the column 1 by being screwed and fixed to the upper end of the column 1. ing.

The check valve 3 is provided at each of the water supply ports 6 of the upper head pipe 2A and the lower head pipe 2B, and prevents leakage of water filled in the support column 1 and the head pipe 2. Is. In the present embodiment, the check valve 3 is screwed and fixed to the water supply port 6 and has an annular valve seat 7 having a valve seat surface 7a, a guide shaft 8 connected to the valve seat 7, and a guide shaft 8 A disc-shaped valve body 9 slidably inserted in and supported by the valve seat surface 7a, and a spring 10 for urging the valve body 9 to contact the valve seat surface 7a. There is. Further, an O-ring 11 for sealing is interposed between each valve seat 7 and the upper head tube 2A and the lower head tube 2B.

In the present embodiment, although not shown, a coupling for connecting a connection hose mounted on a pump vehicle is provided in the vicinity of each water supply port 6 of the upper head pipe 2A and the lower head pipe 2B. A metal fitting (plug-in type or screw type) is attached, and the coupling fitting is covered with a cap.

The rotary connection mechanism 4 connects the upper head tube 2A to the lower head tube 2B so as to be rotatable in a sealed state. In the present embodiment, the rotary connection mechanism 4 is screwed and fixed to the upper end portion of the lower head tube 2B, has a collar portion 12a in the middle portion of the peripheral wall, and is inserted into the lower end portion of the upper head tube 2A. The rotary cylinder 13 that is rotatably fitted onto the support cylinder 12 and is screwed and fixed to the upper head tube 2A, and the thrust provided between the flange portion 12a of the support cylinder 12 and the upper end surface of the rotary cylinder 13. It comprises a bearing 14 and an O-ring 15 which is fitted to the support cylinder 12 and seals between the support cylinder 12 and the upper head tube 2A. Therefore, the upper head tube 2A is rotatably connected to the lower head tube 2B in a sealed state by screwing and fixing the lower end portion thereof to the rotary cylinder 13. Reference numeral 16 is an O-ring for sealing which is interposed between the support cylinder 12 and the lower head tube 2B.

When the fire is extinguished, the pump vehicle is stopped near the connecting water pipe, and each water inlet of the pump of the pump automobile and each water outlet 6 of the upper head pipe 2A and the lower head pipe 2B of the connecting water pipe 6 are connected. Are connected to each other with a connection hose (not shown) mounted on the pump vehicle. When connecting the connecting hose to the water supply port 6 of the upper head tube 2A, the orientation of the upper head tube 2A is changed so that the hose can be easily connected. The upper head pipe 2A is lifted upward with respect to the lower head pipe 2B by the pressure of the water filling the connection water pipe, but it is interposed between the support cylinder 12 and the rotary cylinder 13. The thrust bear ring 14 makes a smooth and smooth turn. Then, after connecting the pump car and the connecting water pipe with the connecting hose, when the pump is operated, the water sent out from the water supply port of the pump of the pump car passes through the connecting hose and the connecting water pipe, Water is sent to the fire hydrant.

Since the upper head pipe 2A of the connection water pipe is rotatable with respect to the lower head pipe 2B, even when the pump vehicle is stopped near the connection water pipe when connecting to the pump vehicle. By changing the direction of the upper head tube 2A, the connection hose can be connected without being greatly bent. As a result, the hose can be easily connected. Also, by changing the direction of the upper head tube 2A, the hoses connected to the water supply ports 6 of the upper head tube 2A and the lower head tube 2B do not overlap with each other in the vertical direction, and it becomes easier to connect the hoses. . Further, even if a plurality of connected water supply pipes are installed side by side, it is possible to prevent the hose from converging by changing the direction of the upper head pipe 2A. As a result, a smooth fire extinguishing work can be performed.

FIG. 4 shows a stand-type connecting water pipe according to a second embodiment of the present invention. The connecting water pipe is between the upper head pipe 2A and the lower head pipe 2B, and the lower head pipe 2B and the support 1 A rotary connection mechanism 4 is respectively provided between the upper head tube 2A and the lower head tube 2B so that the upper head tube 2A and the lower head tube 2B can be independently rotated. In this case, since the upper head pipe 2A and the lower head pipe 2B can be respectively oriented in arbitrary directions, the hose can be connected more easily and the hose can be connected more easily than in the first embodiment. It becomes more difficult to be congested.

FIG. 5 shows a stand-type connecting water pipe according to a third embodiment of the present invention. The connecting water pipe comprises a head pipe 2 in which an upper head pipe 2A and a lower head pipe 2B are integrally formed. , Is connected to the upper end of the column 1 via a rotary connection mechanism 4 so as to be freely rotatable. This connecting water pipe can also achieve the same effects as those of the first embodiment.

FIG. 6 shows a stand-type connected water supply pipe according to a fourth embodiment of the present invention. The connected water supply pipe has water supply ports 6 formed at the left and right positions of the peripheral wall of the head pipe 2, respectively. 2 is rotatably connected to the upper end of the column 1 via a rotary connection mechanism 4. This connecting water pipe can also achieve the same effects as those of the first embodiment.

In the above embodiment, the rotary connection mechanism 4 is composed of the support cylinder 12, the rotary cylinder 13, the thrust bearing 14, etc., but the structure of the rotary connection mechanism 4 is limited to that of the above embodiment. If the upper head tube 2A and the lower head tube 2B or the head tube 2 can be rotatably connected in a sealed state to the lower head tube 2B and the column 1, respectively, the configuration is arbitrary. is there.

Further, the structure of the check valve 3 provided in the water supply port 6 is not limited to that of the above embodiment, and the check valve 3 having another structure may be provided in the water supply port 6. .

[0021]

[Effect of device]

 As described above, in the connecting water pipe according to any one of claims 1 to 4 of the present invention, a part of the head pipe or the whole head pipe can be swung freely with respect to the support column. Even if the pump car stops near the connecting water pipe, by changing the direction of the head pipe, the connection hose can be connected without being greatly bent. As a result, the hose can be connected more easily and easily than the conventional connected water pipe. Of course, even if multiple connected water pipes are installed side by side, it is possible to prevent the hose from congesting by changing the direction of the head pipe. As a result, the fire can be extinguished smoothly. Further, in the connected water supply pipe according to claim 1, the head pipe having water supply ports at upper and lower positions is divided into upper and lower parts between the water supply ports, and the upper head pipe is rotatably connected to the lower head pipe. By changing the direction of the pipes, it is possible to prevent the hoses connected to each water outlet from overlapping vertically. As a result, it becomes easier to connect the hose. Further, in the connected water supply pipe according to claim 2, a head pipe having water supply ports at upper and lower positions is vertically divided between the water supply ports, and the upper head pipe is pivotally connected to the lower head pipe and the lower head pipe is connected. Since it is pivotally connected to the column, the upper head pipe and the lower head pipe can be oriented in arbitrary directions. As a result, the connection of the hose can be made simpler and easier, and the hose becomes less prone to congestion.

[Brief description of drawings]

FIG. 1 is a side view of a stand type connecting water pipe according to a first embodiment of the present invention.

FIG. 2 is also an enlarged vertical cross-sectional view of the main part of the connected water supply pipe.

FIG. 3 is an enlarged vertical cross-sectional view showing a main part of a connected water supply pipe and showing a state in which an upper head pipe is swung with respect to a lower head pipe.

FIG. 4 is an enlarged vertical cross-sectional view of a main part of a stand type connection water pipe according to a second embodiment of the present invention.

FIG. 5 is an enlarged vertical cross-sectional view of a main part of a stand type connection water pipe according to a third embodiment of the present invention.

FIG. 6 is an enlarged vertical cross-sectional view of a main part of a stand-type connecting water pipe according to a fourth embodiment of the present invention.

FIG. 7 is a perspective view of a conventional connected water supply pipe in which a water supply port is formed in a vertical position.

FIG. 8 is a perspective view of a conventional connected water supply pipe having water supply ports formed at left and right positions.

[Explanation of symbols]

1 is a pillar, 2 is a head pipe, 2A is an upper head pipe, 2B is a lower head pipe, 3 is a check valve, 4 is a rotary connection mechanism, and 6 is a water supply port.

Claims (4)

[Scope of utility model registration request] 1. A pipe-shaped support pillar, which is installed upright on a ground surface near a building and connected to a pipe such as a sprinkler equipment or a fire hydrant equipment, and is fixedly connected to an upper end portion of the support pillar,
In a stand-type connected water pipe having a head pipe having a water supply port formed at an upper and lower position and a check valve provided at each water supply port, the head pipe is an upper head pipe between the upper and lower water supply ports. A connecting water pipe which is divided into a lower head pipe and a rotary connection mechanism for connecting the upper head pipe to the lower head pipe so as to be pivotable between the upper head pipe and the lower head pipe. 2. A pipe-shaped support pillar that is installed upright on the ground surface near the building and is connected to piping such as sprinkler equipment and fire hydrant equipment, and is fixedly connected to the upper end of the support pillar,
In a stand-type connected water supply pipe having a head pipe having a water supply port formed in an upper and lower position and a check valve provided at each water supply port, the head pipe is used as a support between the head pipe and the support. A rotary connection mechanism is provided which can be pivotally connected, and the head pipe is divided into an upper head pipe and a lower head pipe between the upper and lower water supply ports, and the upper head pipe and the lower head pipe are connected to each other. A connecting water pipe, wherein a rotary connection mechanism capable of swingably connecting the upper head pipe to the lower head pipe is provided in the. 3. A pipe-shaped support pillar, which is installed upright on the ground surface near the building and is connected to piping such as sprinkler equipment and fire hydrant equipment, and is fixedly connected to the upper end of the support pillar,
In a stand-type connected water pipe consisting of a head pipe having a water supply port formed in the upper and lower positions and a check valve provided at each water supply port, the head pipe is swung to the column between the head pipe and the column. A connected water pipe having a rotary connection mechanism that can be freely connected. 4. A pipe-shaped support pillar, which is installed upright on the ground surface near the building and is connected to piping such as sprinkler equipment and fire hydrant equipment, and is fixedly connected to the upper end of the support pillar,
In a stand-type connected water pipe consisting of a head pipe with water supply ports formed at the left and right positions and a check valve provided at each water supply port, the head pipe is swung to the column between the head pipe and the column. A connected water pipe having a rotary connection mechanism that can be freely connected.