1. The utility model provides a street fire hydrant of leak protection water, its structure includes outlet pipe (4) and fire hydrant shell (3), its characterized in that: the right side of the water outlet pipe (4) is communicated with the left side of the fire hydrant casing (3), the bottom of the fire hydrant casing (3) is fixedly connected with a base (5), the top of the fire hydrant casing (3) is rotatably connected with a manual rotating wheel (1), and a nut (2) is arranged below the manual rotating wheel (1);

manual runner (1) bottom fixedly connected with valve (6), nut (2) bottom left and right sides is fixedly connected with metal strip (12) and arc metal strip (13) respectively, valve (6), metal strip (12) and arc metal strip (13) are all inside fire hydrant shell (3), the internally mounted that valve (6) are close to the bottom position has rectangle magnet (61), metal strip (12) bottom left side is provided with breakwater (7), and breakwater (7) one end fixed connection is on water pipe (4) top inner wall.

2. A water leak proof street fire hydrant according to claim 1, characterized in that: the water baffle (7) comprises a rotating block (71) and a return pipe (72), the water baffle (7) is rotatably connected with the inner wall above the water pipe (4) through the rotating block (71), a return spring (73) and an arc-shaped water baffle (74) are fixedly connected to the outer wall on the right side of the water baffle (7), the right end of the return spring (73) is fixedly connected with the middle position of the arc-shaped water baffle (74), a water inlet (75) is formed in the lower portion of the arc-shaped water baffle (74), and the water inlet (75) is communicated with the return pipe (72).

3. A water leak proof street fire hydrant according to claim 1, characterized in that: the bottom end of the arc-shaped metal strip (13) is provided with a chromium-plated iron plate (b2), the right side of the chromium-plated iron plate (b2) is provided with a powerful magnet (b1), and a roller (b3) is arranged below the chromium-plated iron plate (b 2).

4. A water leak proof street fire hydrant according to claim 1, characterized in that: outlet pipe (4) are including upper and lower inner wall, two layers of inner wall (43) of water pipe and dog (41), dog (41) and outlet pipe (4) top inner wall fixed connection, fixedly connected with toughness metal piece (42) on outlet pipe (4) below inner wall and compression spring (46), compression spring (46) other end fixedly connected with inflation soil pocket (45), inflation soil pocket (45) left end is provided with buckle device (a) right-hand member and is provided with rigidity roll type sheetmetal (44), buckle device (a) and rigidity roll type sheetmetal (44) all with two layers of inner wall (43) fixed connection of water pipe.

5. A water leak proof street fire hydrant according to claim 4, characterized in that: buckle device (a) includes buckle device inner chamber (a5) and arc buckle (a4), arc buckle (a4) left side intermediate position passes through spring (a3) and two layers of inner wall of water pipe (43) fixed connection, the equal fixedly connected with magnet piece is little (a2) in the upper and lower position of arc buckle (a4) left side surface, the upper and lower both sides that arc buckle (a4) one end was kept away from in spring (a3) all are provided with magnet piece big (a1), two the magnet piece is big (a1) all with two layers of inner wall of water pipe (43) fixed connection.

6. A water leak proof street fire hydrant according to claim 1, characterized in that: the left side of the ductile metal sheet (42) is tightly connected with the inner wall below the water outlet pipe (4) through leather, and the top side of the arc-shaped water retaining block (74) is tightly connected with the water retaining plate (7) through leather.

Background

The fire hydrant is one of the most important safety facilities for protecting enterprises from fire or reducing fire loss and ensuring the safety of staff life, state and enterprise property, and is an indispensable part in enterprise safety production. The fire hydrant can quickly provide a water source for a fire engine, and can be directly used for extinguishing fire when a fire disaster is in the protection radius range of the fire hydrant; however, the fire hydrant on the street is exposed to the sun by wind, and the chance of contact of people and current is large, so that the situation that a water valve is not closed tightly or broken is inevitable, water is wasted, and the street fire hydrant capable of preventing water leakage is provided.

Disclosure of Invention

The invention aims to provide a water leakage-proof street fire hydrant to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a street fire hydrant capable of preventing water leakage structurally comprises a water outlet pipe and a fire hydrant casing, wherein the right side of the water outlet pipe is communicated with the left side of the fire hydrant casing, the bottom of the fire hydrant casing is fixedly connected with a base, the top of the fire hydrant casing is rotatably connected with a manual rotating wheel, and a nut is arranged below the manual rotating wheel;

the bottom of the manual rotating wheel is fixedly connected with a valve, the left side and the right side of the bottom of the nut are respectively and fixedly connected with a metal strip and an arc-shaped metal strip, the valve, the metal strip and the arc-shaped metal strip are all arranged inside a fire hydrant shell, a rectangular magnet is arranged inside the position, close to the bottom end, of the valve, a water baffle is arranged on the left side of the bottom of the metal strip, and one end of the water baffle is fixedly connected to the inner wall above the water pipe; through the arrangement of the water baffle and the metal strip, when the water valve is broken and cannot be closed, a large amount of water can be prevented from rushing out in time, so that water sources are saved, and a device in the water outlet pipe can be triggered.

Preferably, the water baffle comprises a rotating block and a return pipe, the water baffle is rotatably connected with the inner wall above the water pipe through the rotating block, a return spring and an arc-shaped water baffle are fixedly connected to the outer wall of the right side of the water baffle, the right end of the return spring is fixedly connected with the middle position of the arc-shaped water baffle, a water inlet is formed in the lower portion of the arc-shaped water baffle, and the water inlet is communicated with the return pipe; through setting up arc breakwater, reset spring and back flow, play buffering and backward flow effect when can retardant rivers, can greatly reduced breakwater's wearing and tearing.

Preferably, a chromium plating iron plate is arranged at the bottom end of the arc-shaped metal strip, a powerful magnet is arranged on the right side of the chromium plating iron plate, and a roller is arranged below the chromium plating iron plate; by arranging the arc-shaped metal strip, the chromium-plated iron plate and the powerful magnet, the chromium-plated iron plate slides down to a lower pipeline while the water baffle plays a role in retarding, so that a double-blocking effect is realized, and the impact of water flow is reduced; the sliding of the chromium-plated iron plate can be better guided by arranging the idler wheels.

Preferably, the water outlet pipe comprises an upper inner wall, a lower inner wall, a water pipe second-layer inner wall and a stop block, the stop block is fixedly connected with the upper inner wall of the water outlet pipe, the lower inner wall of the water outlet pipe is fixedly connected with a ductile metal sheet and a compression spring, the other end of the compression spring is fixedly connected with an expansion soil bag, the left end of the expansion soil bag is provided with a buckle device, the right end of the expansion soil bag is provided with a rigid roll-type metal sheet, and the buckle device and the rigid roll-type metal sheet are both fixedly connected with the inner wall of the water pipe second-layer; can judge through setting up the toughness sheetmetal that the water valve has or not to close tightly, can in time pop out the native bag of inflation when judging that water does not close tightly through setting up native bag of inflation, buckle device and compression spring to close outlet pipe using water wisely, can restore to the preceding state after the native bag of inflation loses water and contracts through setting up rigidity roll type sheetmetal.

Preferably, the buckle device comprises an inner cavity of the buckle device and an arc-shaped buckle, the middle position of the left side of the arc-shaped buckle is fixedly connected with the inner wall of the water pipe II layer through a spring, the upper position and the lower position of the outer surface of the left side of the arc-shaped buckle are fixedly connected with a small magnet block, the upper side and the lower side of one end, away from the arc-shaped buckle, of the spring are respectively provided with a large magnet block, and the two large magnet blocks are fixedly connected with the inner wall of the water pipe II layer; after the expansive soil bag expands, the expansive soil bag is extruded into the arc-shaped buckle of the inner cavity of the buckle device, and the arc-shaped buckle can slowly pop out of the inner cavity of the buckle device under the interaction of the large magnet block, the small magnet block and the spring, so that the expansive soil bag can be smoothly separated from the locking of the buckle device.

Preferably, the left side of the ductile metal sheet is tightly connected with the inner wall below the water outlet pipe through leather, and the top side of the arc-shaped water retaining block is tightly connected with the water retaining plate through leather; through setting up the leather can effectually let rivers flow and not block in the gap, reduce the corruption to the device.

The invention provides a water leakage prevention street fire hydrant, which has the following beneficial effects:

(1) the water retaining plate and the metal strip are arranged, so that when the water valve is broken and cannot be closed, a large amount of water can be prevented from rushing out in time, water sources are saved, and devices in the water outlet pipe can be triggered; by arranging the arc-shaped metal strip, the chromium-plated iron plate and the powerful magnet, the chromium-plated iron plate slides down to a lower pipeline while the water baffle plays a role in retarding, so that a double-blocking effect is realized, and the impact of water flow is reduced; the sliding of the chromium-plated iron plate can be better guided by arranging the idler wheels.

(2) The arc-shaped water retaining block, the return spring and the return pipe are arranged, so that the buffer and return functions can be realized when water flow is retarded, and the abrasion of the water retaining plate can be greatly reduced; through setting up the leather can effectually let rivers flow and not block in the gap, reduce the corruption to the device.

(3) The water valve can be judged whether to be tightly closed or not by arranging the flexible metal sheet, the expansion soil bag can be popped out in time when the expansion soil bag, the buckling device and the compression spring are arranged to judge whether to be tightly closed or not, so that the water outlet pipe is tightly closed, the water is saved, and the rigid rolling metal sheet can be restored to the previous state after the expansion soil bag loses water and shrinks.

(4) After the expansion soil bag is expanded, the arc-shaped buckle is extruded into the inner cavity of the buckle device, and under the interaction of the large magnet block, the small magnet block and the spring, the arc-shaped buckle can be slowly ejected out of the inner cavity of the buckle device, so that the expansion soil bag can be smoothly separated from the locking of the buckle device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic view of the water baffle of the present invention;

FIG. 4 is a partial sectional view of the present invention;

FIG. 5 is a schematic view of the roller structure according to the present invention;

FIG. 6 is a schematic view of the structure of the water outlet pipe of the present invention;

fig. 7 is a schematic structural view of the fastening device of the present invention.

In the figure: 1 manual runner, 2 nuts, 3 fire hydrant casings, 4 water outlet pipes, 5 bases, 6 valves, 7 water baffles, 12 metal strips, 13 arc metal strips, 41 stoppers, 42 tough metal sheets, 43 two-layer inner walls of water pipes, 44 rigid coiled metal sheets, 45 expansive soil bags, 46 compression springs, 61 rectangular magnets, 71 rotating blocks, 72 return pipes, 73 return springs, 74 arc water baffles, 75 water inlets, a buckle devices, a1 magnet blocks with large size, a2 magnet blocks with small size, a3 springs, a4 arc buckles, a5 buckle device inner cavities, b1 powerful magnets, b2 chromium-plated iron plates and b3 rollers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the present invention provides a technical solution: a water leakage prevention street fire hydrant structurally comprises a water outlet pipe 4 and a fire hydrant casing 3, wherein the right side of the water outlet pipe 4 is communicated with the left side of the fire hydrant casing 3, the bottom of the fire hydrant casing 3 is fixedly connected with a base 5, the top of the fire hydrant casing 3 is rotatably connected with a manual rotating wheel 1, and a nut 2 is arranged below the manual rotating wheel 1; the bottom of the manual rotating wheel 1 is fixedly connected with a valve 6, the left side and the right side of the bottom of the nut 2 are respectively fixedly connected with a metal strip 12 and an arc-shaped metal strip 13, the valve 6, the metal strip 12 and the arc-shaped metal strip 13 are all arranged inside the fire hydrant casing 3, a rectangular magnet 61 is arranged inside the valve 6 close to the bottom end, a water baffle 7 is arranged on the left side of the bottom of the metal strip 12, and one end of the water baffle 7 is fixedly connected to the inner wall above the water pipe 4; the water baffle 7 and the metal strip 12 can block a large amount of water from rushing out in time when the water valve 6 is broken and can not be closed, so that water sources are saved, and devices in the water outlet pipe 4 can be triggered; the water baffle 7 comprises a rotating block 71 and a return pipe 72, the water baffle 7 is rotatably connected with the upper inner wall of the water pipe 4 through the rotating block 71, the outer wall of the right side of the water baffle 7 is fixedly connected with a return spring 73 and an arc-shaped water baffle 74, the right end of the return spring 73 is fixedly connected with the middle position of the arc-shaped water baffle 74, a water inlet 75 is arranged below the arc-shaped water baffle 74, the water inlet 75 is communicated with the return pipe 72, and the top side of the arc-shaped water baffle 74 is tightly connected with the water baffle 7 through leather; a chromium plating iron plate b2 is arranged at the bottom end of the arc-shaped metal strip 13, a powerful magnet b1 is arranged on the right side of the chromium plating iron plate b2, and a roller b3 is arranged below the chromium plating iron plate b 2; the arc-shaped metal strip 13, the chromium-plated iron plate b2 and the powerful magnet b1 play a role in blocking the water baffle 7, and meanwhile, the chromium-plated iron plate b2 slides to a lower pipeline, so that a double-blocking effect is achieved, and the impact of water flow is reduced; the roller b3 can better guide the chrome-plated iron plate b2 to slide down; the water outlet pipe 4 comprises an upper inner wall, a lower inner wall, a water pipe two-layer inner wall 43 and a stop block 41, the stop block 41 is fixedly connected with the upper inner wall of the water outlet pipe 4, the lower inner wall of the water outlet pipe 4 is fixedly connected with a tough metal sheet 42 and a compression spring 46, the other end of the compression spring 46 is fixedly connected with an expansion soil bag 45, the left end of the expansion soil bag 45 is provided with a fastening device a, the right end of the fastening device a is provided with a rigid roll type metal sheet 44, the fastening device a and the rigid roll type metal sheet 44 are both fixedly connected with the water pipe two-layer inner wall 43, and the left side of the tough metal sheet 42 is tightly connected with the lower inner wall of the water outlet pipe 4 through leather; the tough metal sheet 42 can judge whether the water valve 6 is tightly closed or not, the expansive soil bag 45 can be popped out in time by arranging the expansive soil bag 45, the buckling device a and the compression spring 46 when judging that the water is not tightly closed, so that the water outlet pipe 4 is tightly closed, water is saved, the rigid coiled metal sheet 44 can restore to the previous state after the expansive soil bag 45 loses water and shrinks, and leather can effectively enable water flow to flow out without being clamped in gaps, so that corrosion to the device is reduced; the buckle device a comprises a buckle device inner cavity a5 and an arc-shaped buckle a4, the middle position of the left side of the arc-shaped buckle a4 is fixedly connected with the inner wall 43 of the water pipe layer II through a spring a3, the upper and lower positions of the outer surface of the left side of the arc-shaped buckle a4 are fixedly connected with a magnet small a2, the upper and lower sides of one end, away from the arc-shaped buckle a4, of the spring a3 are respectively provided with a magnet large a1, and the two magnet large a1 are fixedly connected with the inner wall 43 of the water pipe layer II; after the expansive soil sac 45 is expanded, the arc-shaped buckle a4 is pressed into the buckle device inner cavity a5, and under the interaction of the magnet block a1, the magnet block a2 and the spring a3, the arc-shaped buckle a4 can be ejected out of the buckle device inner cavity a5 slowly, so that the expansive soil sac 45 can be smoothly separated from the locking of the buckle device a.

The working principle is as follows: under the impact of the huge water flow of the normal water discharge of the fire hydrant, the ductile metal sheet 42 can be bent to be close to the second-layer inner wall 43 of the water pipe, and the water flow can flow over the second-layer inner wall 43 of the water pipe; when the fire hydrant is not closed tightly, large impact force cannot be generated by the water flow, so that the ductile metal sheet 42 cannot be bent, the water flow enters the inner walls 43 and 4 of the two layers of the inner walls of the water inlet pipe, then the water bracts small holes below the expansion soil sack 45 to enter the expansion soil sack 45, the expansion soil sack 45 absorbs water to expand, the arc-shaped buckle a4 is extruded into the inner cavity a5 of the buckle device, under the interaction of the magnet block a1, the magnet block a2 and the spring a3, the arc-shaped buckle a4 can be ejected out of the inner cavity a5 of the buckle device slowly, so that the expansion soil sack 45 can be smoothly separated from the locking of the buckle device a, the expansion soil sack 45 is ejected out under the action of the compression spring 46, and the expanded expansion soil sack 45 is too large in volume to be clamped in the middle of the water outlet pipe 4 to prevent the water from flowing out continuously; when the water valve is broken, the water flow cannot be closed and the water cannot be flushed out continuously, at the moment, the nut 2 is rotated to drive the metal strip 12 and the arc-shaped metal strip 13 to move downwards, so that the water baffle 7 and the chromium-plated iron plate b2 are put down to block the water valve, the water flow can be effectively reduced, the water valve is not closed tightly, and the device in the water outlet pipe 4 is triggered.

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