CN110886346B - An outdoor anti-collision underground fire hydrant based on rotation limit - Google Patents

Abstract

The invention provides an outdoor anti-collision type underground fire hydrant based on rotation limit, which relates to the technical field of fire protection facilities. The outdoor anti-collision underground fire hydrant based on rotation limit includes a ground, a water receiving pipe is fixedly installed at the bottom of the ground, a horizontal plate is fixedly installed on the top of the water receiving pipe, and a sleeve is fixedly installed on the top of the horizontal plate A lift tube is slidably connected to the inside of the sleeve, and a disc is fixedly installed on the periphery of the lift tube. The outdoor anti-collision type underground fire hydrant based on the rotation limit can install the fire hydrant below the ground and protect the cover plate, avoid the collision between people and vehicles and the fire hydrant, and improve the safety of the fire hydrant. The normal use of the fire hydrant is ensured, the corrosion of the fire hydrant is slowed down, and the service life of the fire hydrant is improved, and the water outlet can move up and down, and can extend above the ground when water is drawn, which facilitates the connection between the hose and the water outlet.

Description

An outdoor anti-collision underground fire hydrant based on rotation limit

technical field

The invention relates to the technical field of fire protection facilities, in particular to an outdoor anti-collision type underground fire hydrant based on rotation limit.

Background technique

Outdoor fire hydrants are water supply facilities installed near buildings and on the underground fire water supply pipe network beside roads. They are mainly used by fire trucks and cleaning vehicles. It is convenient for taking water for fire fighting or urban cleaning. One of the important firefighting facilities for fires.

The existing outdoor fire hydrants are mostly column-shaped fire hydrants exposed above the ground. In order to remind pedestrians and vehicles, the surface is often painted with red or other brightly colored paints, but pedestrians or vehicles still often accidentally hit the fire hydrant. If the accident occurs, it is easy to cause damage to the fire hydrant, so that the fire hydrant cannot supply water normally, and the outdoor fire hydrant is prone to rust after being hit by wind and rain, making the water outlet of the fire hydrant difficult to open or unable to close tightly. The phenomenon.

In order to solve the above problems, the inventor provides an outdoor anti-collision type underground fire hydrant based on rotation limit, which can install the fire hydrant below the ground and protect the cover plate, so as to avoid the collision between people and vehicles and the fire hydrant. The collision improves the safety of the fire hydrant, ensures the normal use of the fire hydrant, slows down the corrosion of the fire hydrant, improves the service life of the fire hydrant, and the water outlet can move up and down, and can extend above the ground when water is drawn, which is convenient Connect the hose to the water outlet.

SUMMARY OF THE INVENTION

In order to achieve the above purpose, the present invention is achieved through the following technical solutions: an outdoor anti-collision type underground fire hydrant based on rotation limit, including ground, water receiving pipe, horizontal plate, sleeve, lifting pipe, disc, spring, sliding Slot, arc slot, limit rod, water outlet, turning handle, cover plate, handle, valve stem, connecting rod.

in:

The bottom of the ground is fixedly installed with a water receiving pipe, the top of the water receiving pipe is fixedly installed with a horizontal plate, the top of the horizontal plate is fixedly installed with a sleeve, and the inside of the sleeve is slidably connected with a lifting pipe, the lifting A disc is fixedly installed on the periphery of the tube, the bottom end of the disc is fixedly connected with a spring, the left and right sides of the inside of the sleeve are provided with chute, and the bottom end of the chute in the sleeve is provided with an arc groove , a limit rod is fixedly installed on the periphery of the disc, a water outlet is fixedly installed at the left and right ends of the top of the lifting pipe, a turning handle is fixedly installed at the front and rear ends of the top of the lifting pipe, and the top of the ground is rotatably connected There is a cover plate, a handle is fixedly installed on the top of the right side of the cover plate, a valve rod is rotatably connected to the front side of the bottom of the water receiving pipe, and a connecting rod is drivingly connected between the left end of the cover plate and the left end of the valve rod.

Preferably, the bottom end of the water receiving pipe is connected with the underground fire fighting water pipeline, so that the water flow in the fire fighting water supply pipe network can flow into the water receiving pipe.

Preferably, the bottom end of the lifting pipe extends to the inside of the water receiving pipe, and is attached to the inner wall of the water receiving pipe, and the initial position is located above the valve core in the valve stem, so that the water flow in the water receiving pipe can enter the lifting pipe At the same time, the lifting pipe can move up and down in the water receiving pipe.

Preferably, the sliding grooves are symmetrically distributed on the left and right sides of the inside of the sleeve, and are in the shape of a circular arc with a gradually decreasing width from top to bottom, and the bottom end is connected with the circular arc groove. After the groove moves upward, the lift pipe can be rotated to adjust the direction of the water outlet, and when the limit column moves downward, it will slowly reach the connection between the chute and the arc groove.

Preferably, there are two limit rods in total, and they are symmetrically distributed on the periphery of the disc. In the initial position, the limit rod is limited and slidably connected inside the arc groove, and when the limit rod is limited and slid Connected in the arc groove, the lifting pipe cannot move up and down, but when the limit rod is located at the connection between the arc groove and the chute, the lifting pipe can move upward.

Preferably, a sealing cover is threadedly connected to the opening of the water outlet, and an iron chain is fixedly connected between the sealing cover and the outer wall of the lift pipe, which can seal the water outlet and avoid loss of the sealing cover.

Preferably, the left end of the cover plate extends to the left side of its rotating shaft, and is rotatably connected to the left end of the valve stem through a connecting rod, so that the valve stem can be driven to rotate during the rotation of the cover plate.

The invention provides an outdoor anti-collision type underground fire hydrant based on rotation limit. Has the following beneficial effects:

1. The outdoor anti-collision underground fire hydrant based on the rotation limit, through the design of the fire hydrant located underground and the cover plate, enables people and vehicles to pass normally above the fire hydrant, saving the space occupied by the fire hydrant, and at the same time. It avoids the collision between people and vehicles and the fire hydrant, improves the safety of the fire hydrant, ensures the normal use of the fire hydrant, and also protects the fire hydrant, slows down the corrosion of the fire hydrant, and improves the use of the fire hydrant. life.

2. The outdoor anti-collision type underground fire hydrant based on rotation limit, through the design of the lifting pipe, and the mutual cooperation between the limit rods on both sides of the outer disk of the lifting pipe, the chute and the arc groove, the lifting pipe can be stably in the It is below the ground, and can be moved upward when in use, so that the water outlet is located above the ground, which facilitates the connection between the hose and the water outlet.

3. The outdoor anti-collision underground fire hydrant based on the rotation limit is connected by the connecting rod between the cover plate and the valve stem. When the cover plate is opened, the valve stem can open the water pipe and close the cover. When the plate is installed, the valve stem can be closed to the water pipe, and then the fire hydrant can be double-locked to avoid the loss of water flow at the water outlet due to the corrosion of the sealing cover.

4. The outdoor anti-collision underground fire hydrant based on rotation limit can adjust the direction of the water outlet according to the direction of water intake through the rotatable connection after the lifting pipe rises, which facilitates the connection between the water belt and the water outlet and avoids When the water is drawn, the bending of the connection between the hose and the water outlet.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation when the present invention is used;

Fig. 3 is an enlarged view of the structure of the sleeve and the lifting pipe of the present invention;

4 is a cross-sectional view of the side of the sleeve structure of the present invention;

FIG. 5 is a top view of the lift pipe structure of the present invention.

In the picture: 1. Ground; 2. Water pipe; 3. Horizontal plate; 4. Sleeve; 5. Lifting pipe; 6. Disc; 7. Spring; 8. Chute; 9. Arc groove; 10. Limit Position rod; 11, water outlet; 12, turning handle; 13, cover plate; 14, handle; 15, valve stem; 16, connecting rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

An example of the outdoor anti-collision underground fire hydrant based on rotation limit is as follows:

Please refer to Figure 1-5, an outdoor anti-collision type underground fire hydrant based on rotation limit, including ground 1, water pipe 2, horizontal plate 3, sleeve 4, lifting pipe 5, disc 6, spring 7, slide Slot 8 , arc slot 9 , limit rod 10 , water outlet 11 , turning handle 12 , cover plate 13 , handle 14 , valve stem 15 , connecting rod 16 .

in:

The bottom of the ground 1 is fixedly installed with a water receiving pipe 2, and the bottom end of the water receiving pipe 2 is connected with the underground fire water pipeline, so that the water flow in the fire water supply pipe network can flow into the water receiving pipe 2, and the top of the water receiving pipe 2 is fixedly installed with a The horizontal plate 3, the top of the horizontal plate 3 is fixedly installed with the sleeve 4, the inside of the sleeve 4 is slidably connected with the lifting pipe 5, the bottom end of the lifting pipe 5 extends to the inside of the water receiving pipe 2, and is mutually connected with the inner wall of the water receiving pipe 2. Attached, and the initial position is located above the valve core in the valve stem 15, so that the water flow in the water receiving pipe 2 can enter the lifting pipe 5, and the lifting pipe 5 can move up and down in the water receiving pipe 2. Through the design of the lifting pipe 5 , and the mutual cooperation of the limit rods 10 on both sides of the outer disc 6 of the lifting pipe 5 and the chute 8 and the arc groove 9, the lifting pipe 5 can be stably below the ground 1, and can be moved upward to make the water outlet 11 when in use. It is located above the ground 1, which facilitates the connection between the hose and the water outlet 11.

A disc 6 is fixedly installed on the periphery of the lifting tube 5, and a spring 7 is fixedly connected to the bottom end of the disc 6. The left and right sides of the sleeve 4 are provided with chute 8, and the chute 8 is symmetrically distributed on the left and right inside the sleeve 4. On both sides, the width is gradually reduced from top to bottom in an arc shape, and the bottom end is connected with the arc groove 9, so when the limit rod 10 moves upward in the chute 8, the lift pipe 5 can rotate. , to adjust the orientation of the water outlet 11, and when the limit rod 10 moves downward, it will slowly reach the connection between the chute 8 and the arc groove 9, and the bottom end of the chute 8 inside the sleeve 4 is provided with a The arc groove 9, the limit rod 10 is fixedly installed on the periphery of the disk 6, the number of limit rods 10 is two, and they are symmetrically distributed on the periphery of the disk 6. In the initial position, the limit rod 10 is limited and slidably connected to the position. Inside the arc groove 9, when the limit rod 10 is limited and slidably connected in the arc groove 9, the lift pipe 5 cannot move up and down, and when the limit rod 10 is located at the connection between the arc groove 9 and the chute 8 , the lifting pipe 5 can move upward, and the direction of the water outlet 11 can be adjusted according to the direction of water intake through the rotatable connection after the lifting pipe 5 rises, which facilitates the connection between the water belt and the water outlet 11, and avoids the possibility of water leakage during water intake. The belt is bent at the connection with the water outlet 11.

The water outlet 11 is fixedly installed at the left and right ends of the top of the lift pipe 5, a sealing cover is threadedly connected to the opening of the water outlet 11, and an iron chain is fixedly connected between the sealing cover and the outer wall of the lift pipe 5, so that the water outlet 11 can be adjusted. At the same time, it can also avoid the loss of the sealing cover. The front and rear ends of the top of the lift pipe 5 are fixedly installed with the turning handle 12, and the top of the ground 1 is rotatably connected with a cover plate 13. Connecting rods are used between the cover plate 13 and the valve stem 15. The transmission connection of 16 can make the valve stem 15 open the water pipe 2 when the cover plate 13 is opened, and when the cover plate 13 is closed, the valve stem 15 can close the water pipe 2, thereby double locking the fire hydrant. , to avoid the loss of water flow at the water outlet 11 due to the corrosion of the sealing cover.

The left end of the cover plate 13 extends to the left side of its rotating shaft, and is rotatably connected to the left end of the valve stem 15 through the connecting rod 16. Therefore, during the rotation of the cover plate 13, the valve stem 15 can be driven to rotate, and the cover plate A handle 14 is fixedly installed on the top of the right side of 13, a valve rod 15 is connected to the front side of the bottom of the water receiving pipe 2 in rotation, and a connecting rod 16 is driven and connected between the left end of the cover plate 13 and the left end of the valve rod 15. The design of the plate 13 enables people and vehicles to pass normally above the fire hydrant, saves the space occupied by the fire hydrant, and also avoids the collision between people and vehicles and the fire hydrant, improves the safety of the fire hydrant, and ensures the safety of the fire hydrant. The normal use of the fire hydrant can also protect the fire hydrant, slow down the corrosion of the fire hydrant, and improve the service life of the fire hydrant.

When in use, the cover plate 13 is turned upward by pulling the handle 14 upward. During the upward turning of the cover plate 13, the valve stem 15 can be made to use the connecting rod 16 that is drivingly connected between the left end of the cover plate 13 and the left end of the valve stem 15. Rotate, and then open the water receiving pipe 2, so that the water in the water delivery pipe can enter the water receiving pipe 2 and the lifting pipe 5, and then use the turning handle 12 to make the lifting pipe 5 rotate, so that the lifting pipe 5 drives the disc 6 to carry out the rotation. During the rotation of the disk 6, the limit rod 10 outside the disk 6 will rotate inside the arc groove 9, and when the limit rod 10 rotates to be aligned with the arc groove 9, the spring 7 Under the action of elastic potential energy, the lifting pipe 5 will move upward, so that the water outlet 11 at the top is located above the ground 1, and then the direction of the water outlet 11 is adjusted by rotating the lifting pipe 5, so that the water belt can be easily connected with the outlet. The water outlet 11 is connected, and after use, the water outlet 11 is closed after the hose is removed, and then the lifting tube 5 is pressed down to compress the spring 7 and move downward, and when the limit rod outside the disc 6 10 Move down in the chute 8 to the arc groove 9, and then rotate the lifting pipe 5 to limit the limit rod 10 in the arc groove 9, and then complete the fixing of the lifting pipe 5, and then close the cover plate 13. , and through the action of the connecting rod 16, the valve rod 15 closes the water receiving pipe 2 again.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. The utility model provides an outdoor anticollision type underground fire hydrant based on it is spacing to rotate, includes ground (1), its characterized in that: the water receiving pipe (2) is fixedly installed at the bottom of the ground (1), the transverse plate (3) is fixedly installed at the top end of the water receiving pipe (2), the sleeve (4) is fixedly installed at the top end of the transverse plate (3), the lifting pipe (5) is slidably connected to the inside of the sleeve (4), the disc (6) is fixedly installed at the periphery of the lifting pipe (5), the spring (7) is fixedly connected to the bottom end of the disc (6), the sliding grooves (8) are formed in the left side and the right side of the inside of the sleeve (4), the arc groove (9) is formed in the bottom end of the sliding groove (8) in the sleeve (4), the limiting rod (10) is fixedly installed at the periphery of the disc (6), the water outlets (11) are fixedly installed at the left end and the right end of the top of the lifting pipe (5), the rotating handle (12) is fixedly installed at the front end and the rear end, a handle (14) is fixedly installed at the top end of the right side of the cover plate (13), a valve rod (15) is rotatably connected to the front side of the bottom of the water receiving pipe (2), and a connecting rod (16) is in transmission connection between the left end of the cover plate (13) and the left end of the valve rod (15);

the bottom end of the lifting pipe (5) extends to the inside of the water receiving pipe (2), is attached to the inner wall of the water receiving pipe (2), and is positioned above the valve core in the valve rod (15) at an initial position;

the sliding grooves (8) are symmetrically distributed on the left side and the right side in the sleeve (4), are arc-shaped with gradually reduced width from top to bottom, and the bottom ends of the sliding grooves are communicated with the arc grooves (9);

the number of the limiting rods (10) is two, the limiting rods are symmetrically distributed on the periphery of the disc (6), and the limiting rods (10) are in limiting sliding connection inside the arc grooves (9) at the initial position.

2. The outdoor anti-collision underground fire hydrant based on the rotation limit as claimed in claim 1, characterized in that: the bottom end of the water receiving pipe (2) is communicated with an underground fire-fighting water delivery pipeline.

3. The outdoor anti-collision underground fire hydrant based on the rotation limit as claimed in claim 1, characterized in that: the opening part of the water outlet (11) is in threaded connection with a sealing cover, and an iron chain is fixedly connected between the sealing cover and the outer wall of the lifting pipe (5).

4. The outdoor anti-collision underground fire hydrant based on the rotation limit as claimed in claim 1, characterized in that: the left end of the cover plate (13) extends to the left side of the rotating shaft of the cover plate, and is rotatably connected with the left end of the valve rod (15) through a connecting rod (16).

Images