1. A track water valve, includes valve body (47), be equipped with main spool (49) in valve body (47), its characterized in that: a pilot valve mechanism (50) is arranged in the main valve core (49), the pilot valve mechanism (50) comprises a pilot valve (53), a pilot base (54) and a pilot spring (55), a water flow channel (58) is arranged in the valve body (47), a water taking channel (57) is arranged in the middle of an upper valve cover (56) of the valve body (47), the pilot valve (53) is arranged in the main valve core (49), the main valve core (49) comprises a main valve connecting seat (59) and a main valve guide seat (60), the upper end of the main valve connecting seat (59) is in sealing and abutting contact with the lower end of the upper valve cover (56), a pilot channel (61) is arranged in the main valve connecting seat (59), the lower end of the main valve connecting seat (59) is fixedly connected with the upper end of the main valve guide seat (60), a water inlet hole (62) is arranged on the outer wall of the upper end of the main valve guide seat (60), and the pilot base (54) is arranged at the lower end of the main valve guide seat (60), a guide channel (63) is arranged in the main valve guide seat (60), the guide channel (63), the pilot channel (61) and the water taking channel (57) are communicated, the guide channel (63) is communicated with the water flow channel (58) through a water inlet hole (62), the diameter of the guide channel (63) is larger than that of the pilot channel (61), the upper end of the pilot valve (53) extends out of the main valve connecting seat (59) and is arranged in the water taking channel (57), the middle part of the pilot valve (53) is in sealed sliding connection with the pilot channel (61), the lower end of the pilot valve (53) extends into the guide channel (63) and is in sliding connection with the guide channel (63), the outer diameter of the upper end of the pilot valve (53) is smaller than that of the middle part of the pilot valve (53), a pilot spring (55) is arranged at the lower end of the pilot valve (53), the upper end of the pilot spring (55) is abutted against the lower end face of the pilot valve (53), and the lower end is abutted against the pilot base (54), the pilot base (54) is fixedly connected with the main valve guide base (60), after the pilot valve (53) is pressed, the pilot valve (53) extrudes the pilot spring (55) and moves downwards, and water in the water flow channel (58) enters the guide channel (63) and the pilot channel (61) through the water inlet hole (62) and flows out through the water taking channel (57).

2. The orbiting water valve as claimed in claim 1, wherein: the valve body (47) is internally provided with a simultaneous pressure valve opening mechanism (48).

3. The orbiting water valve as claimed in claim 2, wherein: the constant-pressure valve opening mechanism (48) comprises a main valve fixing sleeve (51) and a main spring (52), a main valve fixing sleeve (51) is arranged on the outer wall of a main valve guide seat (60), the main valve guide seat (60) is in sliding connection with the main valve fixing sleeve (51), the main spring (52) is sleeved on the outer walls of the main valve guide seat (60) and the main valve fixing sleeve (51), the lower end of the main valve fixing sleeve (51) is fixedly connected with a lower valve cover (64) of a valve body (47), the upper end of the main spring (52) abuts against the lower end face of a main valve connecting seat (59), the lower end of the main spring abuts against the upper end face of the lower valve cover (64), the main valve connecting seat (59) presses the main valve connecting seat (59) to extrude the main spring (52) and move downwards, the main valve connecting seat (59) is separated from the upper valve cover (56), and.

Background

The fire refers to combustion that is out of control in time or space, and among various disasters, the fire is one of the main disasters that most generally threaten public safety and social development; many occasions and trades all have conflagration hidden danger, carry the fire extinguisher to fire prevention mode of fire prevention and adopt the manual work to get into the scene of fire control and carry out artifical fire control operation, such fire prevention mode exists danger greatly, has caused very big threat to fire fighter personal safety, artifical fire prevention operation inefficiency simultaneously, slow speed, the flexibility is poor, along with scientific development, some automatic fire control equipment appear, but the water source that fire engine or fire control equipment among the prior art sent usually comes from the fire-fighting storage tank, the water capacity is limited, through the retrieval, chinese patent CN1695751B discloses a track water intaking fire extinguishing water cannon car, it mainly comprises water delivery track and the water cannon car that comprises actuating system, butt joint water intaking system, a steering system, a control system, communication system, its main characteristic is: the water delivery track is internally provided with water pipes, the water pipes are provided with one-way valve plate water valves at intervals, the lower plane of the track is provided with a water valve outlet, the two sides of each water pipe are provided with tracks in parallel, the upper parts of the tracks are provided with conducting bars and positioning pieces, the side surfaces of the tracks are provided with butt plates on which guide pieces are arranged, the tracks on the two sides are internally provided with water cannon vehicle wheels, and a stepping motor on the frame is provided with a driving gear and is linked with wheel gears fixed on an axle through a meshed transmission gear; the guide tube is equipped with at the middle part of the water cannon car frame, the violently commentaries on classics pipe is equipped with to the guide tube lower part, the butt joint pipe is equipped with on upper portion, the design of butt joint pipe inner circle has reciprocal oil blanket groove, its pipe plane has valve piece ejector pin and sealed pad, there are two rows of teeth in the side, and with two positive and reverse turbine gear pole meshing, the turbine tooth meshing of turbine gear pole opposite side is on the worm that has positive and reverse screw thread, the worm rotates two positive and reverse turbine gear pole rotations of drive during the butt joint, it drives to rise the butt joint pipe and pushes away the water valve and accomplish the butt joint, the vehicle is by the positioning switch perception spacer position on the frame, water valve intake butt joint position promptly, the not enough of water valve in the above-mentioned patent is: firstly, the water valve in the above-mentioned patent is once only opened in the top, water pressure is big, the operation is hard, the valve rod damages easily, use cost is high, secondly current water valve is because the valve opening pressure is big, can not have water in the track before the water valve is opened, after having water in the track, the water valve can't be opened, this also leads to if need more fire-fighting equipment to put out a fire, water valve in the track that has water can not be used for docking fire-fighting equipment, can only lay new track again, install new water pipe and water valve, this greatly reduced the efficiency of fire control fire extinguishing.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides the track water valve which is simple in structure, small in valve opening pressure, capable of opening the water valve in times, capable of achieving water taking at the same pressure, time-saving, labor-saving, low in cost and high in fire extinguishing efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a track water valve, includes the valve body, be equipped with main valve core in the valve body, its characterized in that: the main valve core is internally provided with a pilot valve mechanism, the pilot valve mechanism comprises a pilot valve, a pilot base and a pilot spring, a water flow channel is arranged in the valve body, a water taking channel is arranged in the middle of an upper valve cover of the valve body, the main valve core is internally provided with the pilot valve and comprises a main valve connecting seat and a main valve guide seat, the upper end of the main valve connecting seat is in sealed abutting contact with the lower end of the upper valve cover, the main valve connecting seat is internally provided with the pilot channel, the lower end of the main valve connecting seat is fixedly connected with the upper end of the main valve guide seat, the outer wall of the upper end of the main valve guide seat is provided with water inlet holes at intervals, the lower end of the main valve guide seat is provided with the pilot base, the main valve guide seat is internally provided with a guide channel, the pilot channel and the water taking channel are communicated, the guide channel is communicated with the water flow channel through the water inlet holes, and the diameter of the guide channel is larger than that of the pilot channel, the upper end of the pilot valve extends out of the main valve connecting seat and is arranged in the water taking channel, the middle part of the pilot valve is in sealed sliding connection with the pilot channel, the lower end of the pilot valve extends into the guide channel and is in sliding connection with the guide channel, the outer diameter of the upper end of the pilot valve is smaller than the outer diameter of the middle part of the pilot valve, the lower end of the pilot valve is provided with a pilot spring, the upper end of the pilot spring is abutted against the lower end face of the pilot valve, the lower end of the pilot spring is abutted against the pilot base, the pilot base is fixedly connected with the main valve guide seat, after the pilot valve is pressed, the pilot valve extrudes the pilot spring and moves downwards, water in the water flow channel enters the guide channel and the pilot channel through the water inlet hole and flows out through the water taking channel, so that when the water source is used, the track water valve is abutted against the fire-fighting equipment, the pilot valve is extruded first, so that the water source enters the guide channel through the water inlet hole and then flows into the fire-fighting equipment through the water taking channel, and the pilot valve has a small cross section, the pressure required by downward extrusion of the pilot valve is small, the operation is convenient, and the time and the labor are saved.

The valve body is internally provided with the same-pressure valve opening mechanism, so that the main valve core can be quickly opened through the same-pressure valve opening mechanism, and the water taking efficiency is improved.

The invention relates to a constant-pressure valve opening mechanism, which comprises a main valve fixing sleeve and a main spring, wherein the main valve fixing sleeve is arranged on the outer wall of a main valve guide seat, the main valve guide seat is connected with the main valve fixing sleeve in a sliding manner, the main spring is sleeved on the outer walls of the main valve guide seat and the main valve fixing sleeve, the lower end of the main valve fixing sleeve is fixedly connected with a lower valve cover of a valve body, the upper end of the main spring is abutted against the lower end surface of the main valve connecting seat, the lower end of the main spring is abutted against the upper end surface of the lower valve cover, the main valve connecting seat extrudes the main spring and moves downwards after being pressed, the main valve connecting seat is separated from the upper valve cover, and a water flow channel is communicated with a water taking channel, so that when the pilot valve is opened firstly, the water flow pressure in a track water valve is consistent with the water pressure in fire fighting equipment, the main valve core can be opened very easily, water can be taken at the same pressure, time and labor are saved, and the service life of the main valve core is long.

By adopting the structure, the invention has the advantages of simple structure, small valve opening pressure, capability of opening the water valve by times, realization of water taking at the same pressure, time and labor saving, low cost, high fire extinguishing efficiency and the like.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a cross-sectional view of fig. 1 of the present invention.

Fig. 3 is an enlarged view of the invention at a in fig. 2.

FIG. 4 is a schematic diagram of the present invention with the pilot valve depressed.

Fig. 5 is a schematic view showing a state where the main spool is opened in the present invention.

Reference numerals: the valve body 47, the isobaric opening valve mechanism 48, the main valve core 49, the pilot valve mechanism 50, the main valve fixing sleeve 51, the main spring 52, the pilot valve 53, the pilot base 54, the pilot spring 55, the upper valve cover 56, the water taking channel 57, the water flow channel 58, the main valve connecting seat 59, the main valve guiding seat 60, the pilot channel 61, the water inlet hole 62, the guiding channel 63 and the lower valve cover 64.

Detailed Description

The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.

A track water valve, includes valve body 47, be equipped with main spool 49 in the valve body 47, its characterized in that: the main valve core 49 is internally provided with a pilot valve mechanism 50, the pilot valve mechanism 50 comprises a pilot valve 53, a pilot base 54 and a pilot spring 55, the valve body 47 is internally provided with a water flow channel 58, the middle of an upper valve cover 56 of the valve body 47 is provided with a water taking channel 57, the main valve core 49 is internally provided with the pilot valve 53, the main valve core 49 comprises a main valve connecting seat 59 and a main valve guide seat 60, the upper end of the main valve connecting seat 59 is in sealing and abutting contact with the lower end of the upper valve cover 56, the main valve connecting seat 59 is internally provided with a pilot channel 61, the lower end of the main valve connecting seat 59 is fixedly connected with the upper end of the main valve guide seat 60, the outer wall of the upper end of the main valve guide seat 60 is provided with a water inlet hole 62 at intervals, the lower end of the main valve guide seat 60 is provided with the pilot base 54, the main valve guide seat 60 is internally provided with a guide channel 63, and the three channels of the guide channel 63, the pilot channel 61 and the water taking channel 57 are communicated, the guide channel 63 is communicated with the water flow channel 58 through the water inlet hole 62, the diameter of the guide channel 63 is larger than that of the pilot channel 61, the upper end of the pilot valve 53 extends out of the main valve connecting seat 59 and is arranged in the water taking channel 57, the middle part of the pilot valve 53 is connected with the pilot channel 61 in a sealing and sliding way, the lower end of the pilot valve 53 extends into the guide channel 63 and is connected with the guide channel 63 in a sliding way, the outer diameter of the upper end of the pilot valve 53 is smaller than that of the middle part of the pilot valve 53, the pilot spring 55 is arranged at the lower end of the pilot valve 53, the upper end of the pilot spring 55 is abutted against the lower end surface of the pilot valve 53, the lower end of the pilot spring is abutted against the pilot base 54, the pilot base 54 is fixedly connected with the main valve guide seat 60, after the pilot valve 53 is pressed, the pilot valve 53 extrudes the pilot spring 55 and moves downwards, and the water in the water flow channel 58 enters the guide channel 63 and the pilot channel 61 through the water taking channel 57, when doing benefit to the use, the track water valve docks with fire-fighting equipment, extrudes the pilot valve earlier for the water source gets into in guide channel, the pilot channel flows into fire-fighting equipment through the water intaking passageway again through the inlet opening, and the pilot valve cross-section is little, and it is little to extrude the required pressure of pilot valve downwards, convenient operation, labour saving and time saving.

The valve body 47 is provided with a valve opening mechanism 48 under the same pressure, so that the main valve core can be quickly opened through the valve opening mechanism under the same pressure, and the water taking efficiency is improved.

The isobaric opening valve mechanism 48 of the invention comprises a main valve fixing sleeve 51 and a main spring 52, the outer wall of the main valve guide seat 60 is provided with the main valve fixing sleeve 51, the main valve guide seat 60 is connected with the main valve fixing sleeve 51 in a sliding way, the outer walls of the main valve guide seat 60 and the main valve fixing sleeve 51 are sleeved with the main spring 52, the lower end of the main valve fixing sleeve 51 is fixedly connected with a lower valve cover 64 of a valve body 47, the main spring 52 is in a compressed state, the upper end of the main spring 52 is abutted against the lower end surface of a main valve connecting seat 59, the lower end is abutted against the upper end surface of the lower valve cover 64, after the main valve connecting seat 59 is pressed, the main valve connecting seat 59 extrudes the main spring 52 and moves downwards, the main valve connecting seat 59 is separated from the upper valve cover 56, the water flow passage 58 is communicated with a pilot valve 57, when the water flow pressure in the orbit water valve is consistent with the water pressure in the fire fighting equipment after being opened firstly, the main valve core can be opened easily, the water is taken under the same pressure, the time and the labor are saved, and the service life of the main valve core is long.

As shown in attached figures 1-5, before use, the track water valve of the invention is fixed on a track, one side of the track water valve is provided with a water inlet, the other side is provided with a water outlet, the track water valve transversely forms a water flow channel, when in use, after the track water valve is butted with fire fighting equipment, a pressing mechanism on the fire fighting equipment downwards extrudes a pilot valve, the pilot valve downwards moves to extrude a pilot spring, the seal between the pilot valve and a main valve connecting seat is lost, water in the water flow channel enters a guide channel and the pilot channel through a water inlet and then flows into the fire fighting equipment through a water taking channel, the fire fighting equipment is provided with a sensor for detecting the position of the pressing mechanism, when the pressing mechanism approaches the main valve connecting seat, the pressing mechanism stops descending, when the water pressure in the fire fighting equipment is consistent with the water pressure in the track water valve, the pressing mechanism, the main valve connecting seat is separated from the upper valve cover, water in the water flow channel directly flows into the water taking channel and then enters the fire fighting equipment, the fire fighting equipment carries out fire fighting operation, after the fire fighting equipment is used, the pressing mechanism is recovered by the fire fighting equipment, the main valve connecting seat rises under the resilience action of the main spring, and the pilot valve rises under the resilience action of the pilot spring, so that the track water valve is restored to the original state; the pilot valve is opened by arranging the first-opening valve mechanism, the cross section of the pilot valve is small, the pressure required for downwards extruding the pilot valve is small, the pilot valve can be conveniently opened regardless of whether water exists in the track, after the water pressure in the fire fighting equipment is consistent with the water pressure in the track water valve, the main valve core of the same-pressure opening valve mechanism is opened, the track water valve is fully opened, the water flow speed is high, the second-opening valve mechanism is arranged, the pressure for opening the valve for the first time is greatly reduced, in addition, when a fire disaster is suddenly serious, a plurality of fire fighting equipment can be dispatched to directly butt joint other track water valves on the existing track, the pilot valve is opened firstly after butt joint, the main valve core is opened after equal pressure, the operation is very quick and convenient, and.

By adopting the structure, the invention has the advantages of simple structure, small valve opening pressure, capability of opening the water valve by times, realization of water taking at the same pressure, time and labor saving, low cost, high fire extinguishing efficiency and the like.