Angle type fire valve

Abstract

The utility model relates to the technical field of fire-fighting valves, and provides an angle type fire-fighting valve which comprises a valve body, a ball core installed in the valve body, a handle rotatably connected to the valve body and an end cover connected to the valve body, the valve body is provided with a first water inlet and a first water outlet, the ball core comprises a second water outlet and at least one second water inlet, and the valve body is provided with a first water outlet and a second water outlet. The first water outlet is communicated with the second water outlet, a first sealing ring is installed at the first water inlet and abuts against the ball core, the handle and the ball core rotate along a first axis, and the first water inlet and the second water inlet are communicated and closed through rotation of the ball core. The fire valve can be easily and quickly opened by rotating the ball core through the handle, is flexible and convenient to operate, has strong loading capacity, is convenient to quickly use in emergency, strives for time for fire-fighting operation, reduces the loss caused by fire disasters, and solves the technical problems that the existing fire valve is inconvenient to use and is slow in opening speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire valve technical field especially relates to a corner type fire valve. BACKGROUND

[0002] Fire valve is the important component in fire water supply system, its main function is control fire water flow, ensure when the fire occurs can provide water source quickly, effectively, usually by valve body, valve core, sealing ring, operating mechanism etc. Component is composed, has simple structure, convenient operation, good sealing property etc. Characteristic, when the fire occurs, the fireman can pass through operating fire valve, opens or closes fire pipeline quickly, controls water flow direction and flow, realizes the purpose of extinguishing fire. The existing fire valve usually needs to rotate hand wheel many circles to open, is more laborsaving, and the opening speed is slow, which is very unfavorable for the fire fighting operation of seconds, and affects the rapid progress of rescue action. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides a corner type fire valve. Its solve the technical problem of inconvenient use and slow opening speed of the existing fire valve.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A corner type fire valve, including valve body, ball core installed in the valve body, handle rotatably connected to the valve body, end cover connected to the valve body, first water inlet and first water outlet are provided on the valve body, the ball core includes second water outlet and at least one second water inlet, the first water outlet is communicated with the second water outlet, the first sealing ring is installed at the first water inlet, the first sealing ring abuts against the ball core, the handle and the ball core rotate along the first axis, the communication and sealing of the first water inlet and the second water inlet are realized by rotating the ball core.

[0006] Further:

[0007] The handle includes a valve rod and a lever, the valve rod and the lever are fixedly connected by a locking piece, one end of the valve rod is provided in the valve body and clamped in the ball core.

[0008] The lever is in L-shaped structure, the locking piece is a screw, the valve rod is provided with a threaded groove, the locking piece passes through the lever and is screw-connected in the threaded groove.

[0009] At least one ring groove is arranged on the valve rod, and an O-shaped ring is arranged in each ring groove.

[0010] A first annular protrusion is arranged on the outer wall of the valve rod, a first step is arranged in the valve body, the first annular protrusion abuts against the first step, and a gasket is arranged between the first annular protrusion and the first step.

[0011] The water flow directions of the first water inlet and the first water outlet are perpendicular to each other.

[0012] The inner ring of the first sealing ring gradually decreases towards the ball core, and the cross section of the first sealing ring is in a right-angled trapezoidal structure.

[0013] The valve body is provided with a buffer groove at the top of the ball core, and the buffer groove is provided with a second sealing ring.

[0014] The number of the second water inlets is at least two, one of which is connected to the first water inlet, and the other is connected to the buffer groove.

[0015] The outer surface of the end cover is provided with a second annular protrusion, the valve body is provided with a second step, the second annular protrusion abuts against the second step, and a third sealing ring is arranged between the second annular protrusion and the second step.

[0016] By adopting the foregoing technical scheme, the utility model has the advantages of:

[0017] The handle is rotated to connect the first water inlet to the second water inlet, and the water flows out from the first water outlet and the second water outlet connected to each other, so that the water flow can be easily and quickly opened and closed without rotating multiple turns, the operation is flexible and convenient, the pressure bearing capacity is high, the service life is long, the valve can be quickly used in emergency, the opening speed is greatly improved compared with ordinary fire valves, time is saved for fire fighting, the loss caused by fire is reduced, the structure is simple, easy to implement, and the production cost is low; the first sealing ring can effectively prevent water leakage and ensure the normal operation of the fire fighting system, and the valve can be adapted to various fire fighting scenes, such as indoor fire fighting and outdoor fire fighting, and has good reliability and flexibility; further, the valve rod and the lever are convenient for the installation and disassembly of the whole fire valve; further, the first step can prevent the handle from falling off the valve body, the gasket and the third sealing ring can improve the sealing performance of the valve, and the position of the valve rod and the position of the end cover cannot leak water; further, the water outlet mode adopts a 90-degree mode, which can be vertically connected with a fire hose, so that the position of the hose cannot be bent, and the service life of the hose is improved; further, the inner ring of the first sealing ring gradually decreases, which can be attached to the ball core at all times, and the ball core can be attached to the inner ring of the first sealing ring when rotating, so that water leakage is prevented, the sealing effect is good, and the ball core can be smoothly rotated; further, the valve rod position is arranged with multiple O-rings to ensure the sealing performance of the valve rod position; further, the buffer groove can effectively absorb and relieve the impact force of the water flow, so that the ball core is prevented from being damaged or deformed due to the impact, the stability and safety are ensured, and the frequency of maintenance and replacement is reduced; further, the two second water inlets can be opened by rotating the handle forward and backward, and the valve is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of the utility model;

[0019] Figure 2 is a disassembled schematic diagram of the utility model;

[0020] Figure 3 is a sectional view of the utility model;

[0021] Figure 4 is a structural schematic diagram of the valve rod;

[0022] Figure 5 is an elevation view of the utility model;

[0023] Figure 6 is a side view of the utility model;

[0024] Figure 7 is a top view of the utility model.

[0025] In the drawing: 1, valve body; 2, ball core; 3, handle; 4, end cover; 11, first water inlet; 12, first water outlet; 13, buffer groove; 5, first sealing ring; 31, valve rod; 32, lever; 33, locking member; 34, annular groove; 35, O-ring; 36, first annular protrusion; 37, gasket; 41, second annular protrusion; 6, second sealing ring; 7, third sealing ring. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings and specific embodiments.

[0027] Reference Figures 1 to 7The utility model provides a kind of angle type fire valve, including valve body 1, ball core 2 being installed in valve body 1, handle 3 being rotatably connected in valve body 1, end cover 4 being connected in valve body 1, first water inlet 11 and first water outlet 12 are equipped on the valve body 1, the ball core 2 includes second water outlet and second water inlet, the first water outlet 12 is communicated with second water outlet, first sealing ring 5 is installed at first water inlet 11, first sealing ring 5 is abutted on ball core 2, handle 3 and the ball core 2 are rotated along first axis, and the communication and sealing of first water inlet 11 and second water inlet are realized by the rotation of ball core 2.The water flow direction of first water inlet 11 and first water outlet 12 is perpendicular to each other.The inner ring of first sealing ring 5 gradually decreases towards the direction close to ball core 2, and the section of first sealing ring 5 is right trapezoidal structure.The buffer groove 13 is equipped in the valve body 1, the buffer groove 13 is located at the top of ball core 2, and the second sealing ring 6 is equipped on the buffer groove 13.The outer surface of end cover 4 is equipped with second annular protrusion 41, the second step is equipped in the valve body 1, the second annular protrusion 41 is abutted on second step, and the third sealing ring 7 is equipped between second annular protrusion 41 and second step.

[0028] Handle 3 includes valve rod 31 and push rod 32, and valve rod 31 and push rod 32 are fixedly connected by locking member 33, one end of valve rod 31 is provided in valve body 1 and clamped in ball core 2. Push rod 32 is L-shaped structure, locking member 33 is screw, screw groove is provided on valve rod 31, locking member 33 passes through push rod 32 and is threadedly connected in screw groove. Three ring grooves 34 are provided on valve rod 31, and O-ring 35 is arranged in each ring groove 34. First annular protrusion 36 is arranged on the outer wall of valve rod 31, first step is arranged in valve body 1, first annular protrusion 36 is abutted on first step, and gasket 37 is arranged between first annular protrusion 36 and first step.

[0029] Anti-skid lines or anti-skid sleeves can be arranged on the above handle 3, and the arrangement is specific to the situation.

[0030] The number of ring grooves 34 and O-rings can be one, two, three or more, and the arrangement is specific to the situation.

[0031] Ball core 2 can also be a three-way structure, that is, it has one second water outlet and two second water inlets, one of which is communicated with first water inlet 11, and the other is communicated with buffer groove 13. In this structure, the rotation of push rod 32 forward or backward can make first water inlet 11 communicated with second water inlet, which is convenient to use, and the arrangement is specific to the situation.

[0032] First sealing ring 5 and second sealing ring 6 have the same structure, and second sealing ring 6 can also not be arranged, and the arrangement is specific to the situation.

[0033] The gasket 37 can also not be provided, and is provided according to the situation.

[0034] The second annular protrusion 41 and the third sealing ring 7 can also not be provided, and are provided according to the situation.

[0035] The push rod 32 can also be of an annular structure, and is provided according to the situation.

[0036] The working mode of the utility model is as follows:

[0037] In use, the fire hose is threadedly connected at the first water outlet 12, the push rod 32 is rotated, the valve rod 31 drives the ball core 2 to rotate, the first water inlet 11 and the second water inlet are mutually communicated, water flow can enter the fire hose from the first water outlet 12 and the second water outlet, water flow can be quickly opened, after use, the push rod 32 is rotated to close the water flow, multiple leakage prevention is realized through the first sealing ring 5, the second sealing ring 6, the third sealing ring 7, the gasket 37 and the O-shaped ring 35, excellent sealing effect is achieved, the structure is simple and novel, and operation is convenient and fast.

[0038] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined by the appended claims, and all changes are within the protection scope of the utility model.

Claims

1. An angle fire valve, characterized in that: The valve body, the ball core installed in the valve body, the handle rotatably connected to the valve body, the end cover connected to the valve body, the first water inlet and the first water outlet are arranged on the valve body, the second water outlet and at least one second water inlet are arranged on the ball core, the first water outlet is communicated with the second water outlet, the first sealing ring is arranged at the first water inlet and abuts against the ball core, the handle and the ball core rotate along the first axis, and the communication and sealing of the first water inlet and the second water inlet are realized by rotating the ball core.

2. A fire valve according to claim 1, wherein: The handle comprises a valve rod and a lever, the valve rod and the lever are fixedly connected through a locking piece, one end of the valve rod is arranged in the valve body and clamped in the ball core.

3. A fire valve according to claim 2 wherein: The lever is in L-shaped structure, the locking piece is a screw, the valve rod is provided with a threaded groove, and the locking piece is screwed into the threaded groove through the lever.

4. A fire valve according to claim 2, wherein: The valve rod is provided with at least one ring groove, and an O-shaped ring is arranged in each ring groove.

5. A fire valve according to claim 2 wherein: The outer wall of the valve rod is provided with a first annular protrusion, the valve body is provided with a first step, the first annular protrusion abuts against the first step, and a gasket is arranged between the first annular protrusion and the first step.

6. A fire valve according to claim 1 wherein: The water flow directions of the first water inlet and the first water outlet are perpendicular to each other.

7. A fire valve according to claim 1 wherein: The inner ring of the first sealing ring gradually decreases towards the ball core, and the cross section of the first sealing ring is in right trapezoidal structure.

8. A fire valve according to claim 1 wherein: The valve body is provided with a buffer groove, the buffer groove is located at the top of the ball core, and the buffer groove is provided with a second sealing ring.

9. A fire valve according to claim 8 wherein: The number of the second water inlets is at least two, one of the second water inlets is communicated with the first water inlet, and the other second water inlet is communicated with the buffer groove.

10. A fire valve according to claim 1, wherein: The outer surface of the end cover is provided with a second annular protrusion, the valve body is provided with a second step, the second annular protrusion abuts against the second step, and a third sealing ring is arranged between the second annular protrusion and the second step.

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