CN211117750U

CN211117750U - Valve with fire hydrant function

Info

Publication number: CN211117750U
Application number: CN201922264924.3U
Authority: CN
Inventors: 窦佳乐
Original assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Current assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-28
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a valve with fire hydrant function, including the valve body, the inside fixed mounting of valve body is a pair of "]" and sets up the baffle relatively, and the shaping has a plurality of discharge orifices on the baffle, and the lower extreme shaping of baffle has a plurality of through-holes, forms the overflow chamber between baffle and the valve body inside, forms the intake antrum between the baffle, installs the pressure divider pipe in the intake antrum, and the pressure divider pipe communicates with each other with the valve cock, and the lateral wall shaping of pressure divider pipe has the pressure divider hole with discharge orifices looks adaptation, pressure divider hole with the discharge orifices staggered arrangement, the upper end fixed mounting of pressure divider pipe has the pull rod; the beneficial effects are that: the pressure dividing holes and the water flowing holes of the pressure dividing pipe are arranged in a staggered mode, water does not flow into the overflow cavity, and the water pressure is high; when less water pressure is needed, the pressure dividing pipe is pulled up to enable the pressure dividing hole to be communicated with the water flowing hole, and part of water flows into the overflow cavity, so that the water pressure entering the pressure dividing pipe is reduced, and the water pressure can be controlled.

Description

Valve with fire hydrant function

Technical Field

The utility model belongs to the technical field of the valve and specifically relates to a valve with fire hydrant function is related to.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and is applied to many fields, wherein the valve has an extremely important function for a fire hydrant and is used for controlling the conveying of water so as to achieve the effects of controlling combustible substances and eliminating an ignition source.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A valve with the function of a fire hydrant comprises a valve body, wherein a valve nozzle which horizontally protrudes towards one side is formed at the upper end of the valve body, a water outlet is formed at the front end of the valve nozzle, the water outlet is provided with a ball valve, the inside of the valve body is fixedly provided with a pair of baffles which are shaped like a Chinese character 'ji' and are oppositely arranged, a plurality of water flowing holes are formed on the baffles, a plurality of through holes are formed at the lower end of the clapboard, an overflow cavity is formed between the clapboard and the inside of the valve body, a water inlet cavity is formed between the clapboards, a pressure-dividing pipe is arranged in the water inlet cavity and is in sliding connection with the clapboards, the pressure dividing pipe is communicated with the valve nozzle, a water inlet is formed at the lower end of the pressure dividing pipe, pressure dividing holes matched with the water flow holes are formed in the side wall of the pressure dividing pipe, the pressure dividing holes and the water flow holes are arranged in a staggered mode, the upper end of the pressure dividing pipe is fixedly provided with a pull rod, and the pull rod penetrates through the upper end of the valve body and is connected with the valve body in a sliding mode.

Preferably, a groove is formed in the side end of the partition plate, a guide pillar which is vertically arranged is fixedly installed in the groove, a sliding block which is matched with the groove is fixedly installed at the side end of the pressure dividing pipe, the sliding block is embedded in the groove and is nested on the guide pillar, and the pressure dividing pipe is in sliding connection with the partition plate through the mutual matching of the sliding block, the groove and the guide pillar.

Preferably, the ball valve comprises a spherical valve core, the spherical valve core is tightly matched and connected with the inside of the valve nozzle, a water hole penetrates through the spherical valve core, a valve rod is fixedly connected to the upper end of the spherical valve core, the valve rod penetrates through the upper end of the valve body to be rotatably connected with the valve body, and a valve handle is fixedly connected to the upper side of the valve rod.

Preferably, the water flowing hole is an inclined hole inclined downwards by 45 degrees towards the overflow cavity.

Preferably, a handle is fixedly mounted at the upper end of the pull rod.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure is simply controlled by the mutual matching of the pressure dividing pipes and the partition plates, when high water pressure is needed, water directly flows out from the water inlet and the water outlet through the pressure dividing pipes, at the moment, the pressure dividing holes of the pressure dividing pipes and the water flowing holes are arranged in a staggered mode, the water does not flow into the overflow cavity, and the water pressure is high; when less water pressure is needed, the pressure dividing pipe is pulled up to enable the pressure dividing hole to be communicated with the water flowing hole, and part of water flows into the overflow cavity, so that the water flow entering the pressure dividing pipe is reduced, the water pressure flowing out of the water outlet is reduced, the water pressure can be controlled through the valve body according to needs, and the use is convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

In the figure: 1. the valve comprises a valve body, 2, a valve nozzle, 3, a water outlet, 4, a ball valve, 5, a spherical valve core, 6, a water hole, 7, a valve rod, 8, a valve handle, 9, a partition plate, 10, a water flowing hole, 11, a through hole, 12, an overflow cavity, 13, a water inlet cavity, 14, a pressure dividing pipe, 15, a groove, 16, a guide pillar, 17, a sliding block, 18, a water inlet, 19, a pressure dividing hole, 20, a pull rod, 21 and a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a valve with a fire hydrant function includes a valve body 1, a valve nozzle 2 horizontally protruding toward one side is formed at the upper end of the valve body 1, a water outlet 3 is formed at the front end of the valve nozzle 2, a ball valve 4 is installed at the position of the water outlet 3, the ball valve 4 includes a spherical valve core 5, the spherical valve core 5 is tightly fitted and connected with the inside of the valve nozzle 2, a water hole 6 is penetrated through the spherical valve core 5, a valve rod 7 is fixedly connected to the upper end of the spherical valve core 5, the valve rod 7 passes through the upper end of the valve body 1 and is rotatably connected with the valve body 1, a valve handle 8 is fixedly connected above the valve rod 7, and the valve rod 7 is rotated to align the water hole 6 to the water outlet 3, so as;

a pair of baffle plates 9 which are shaped like a ']' are fixedly arranged in the valve body 1 and are oppositely arranged, a plurality of water flowing holes 10 are formed on the baffle plates 9, a plurality of through holes 11 are formed at the lower end of the baffle plates 9, an overflow cavity 12 is formed between the baffle plates 9 and the interior of the valve body 1, a water inlet cavity 13 is formed between the baffle plates 9, a pressure dividing pipe 14 is arranged in the water inlet cavity 13, the pressure dividing pipe 14 and the baffle plates 9 are connected in a sliding manner, a groove 15 is formed at the side end of the baffle plates 9, a guide post 16 which is vertically arranged is fixedly arranged in the groove 15, a slide block 17 which is matched with the groove 15 is fixedly arranged at the side end of the pressure dividing pipe 14, the slide block 17 is embedded in the groove 15 and is nested on the guide post 16, the pressure dividing pipe 14 is connected with the baffle plates 9 in a sliding manner through the mutual matching of the slide block 17, the groove, a pressure dividing hole 19 matched with the water flowing hole 10 is formed in the side wall of the pressure dividing pipe 14, the pressure dividing hole 19 and the water flowing hole 10 are arranged in a staggered mode, the water flowing hole 10 is an inclined hole inclined downwards by 45 degrees towards the direction of the overflow cavity 12, so that the overflow of water in the pressure dividing pipe 14 is accelerated, the pressure dividing speed is accelerated, a pull rod 20 is fixedly installed at the upper end of the pressure dividing pipe 14, a handle 21 is fixedly installed at the upper end of the pull rod 20, and the pull rod 20 penetrates through the upper end of the valve body 1 and is connected with the valve body 1 in a sliding mode;

the utility model discloses a theory of operation is: the lower end of a valve body 1 is arranged on a pipeline, a water inlet pipe of the pipeline is aligned to a water inlet 18 of a pressure dividing pipe 14, a water outlet pipe of the pipeline is aligned to a through hole 11, a fire-fighting lance for a fire hydrant is arranged at a valve nozzle 2 of the valve body 1, a water outlet 3 is communicated with the interior of the fire-fighting lance, water passes through the pressure dividing pipe 14 to reach the rear end of a ball valve 4 at the moment, a valve rod 7 is rotated through a valve handle 8, the valve rod 7 drives a spherical valve core 5 to rotate, the water hole 6 enables the interior of the valve body 1 to be connected with the water outlet 3, the water can smoothly reach the fire-fighting lance and supply water for the fire-fighting lance, at the moment, as a pressure dividing hole 19 of the pressure dividing pipe 14 and a water flowing hole 10; when less water pressure is needed, the pull rod 20 is pulled upwards, the slide block 17 slides in the groove 15 along the guide post 16, relative movement is generated between the pressure dividing pipe 14 and the partition plate 9 until the pressure dividing hole 19 of the pressure dividing pipe 14 is level and communicated with the water flowing hole 10 of the partition plate 9, water in the pressure dividing pipe 14 flows into the overflow cavity 12, and flows back into the water outlet pipe through the through hole 11 at the lower end of the partition plate 9, at the moment, the water entering the pressure dividing pipe 14 is divided into the overflow cavity 11 to play a role of reducing the water pressure, finally the water pressure is smaller when the water reaches the water outlet 3, and at the same time, due to the pressure of the water, the pressure-dividing pipe 14 cannot move downwards freely under the action of gravity after moving upwards, and when larger pressure is needed, only need press pull rod 20, make the slider 17 of pressure divider pipe 14 move down to the lower extreme of recess 15 can, convenient to use is swift, can be according to actual need control water pressure size, and the flexibility is great.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A valve with a fire hydrant function comprises a valve body and is characterized in that a valve nozzle protruding horizontally towards one side is formed at the upper end of the valve body, a water outlet is formed at the front end of the valve nozzle, a ball valve is installed at the water outlet, a pair of baffles which are in a shape of' are arranged in the valve body and are oppositely arranged are fixedly installed in the valve body, a plurality of water flow holes are formed in the baffles, a plurality of through holes are formed at the lower end of the baffles, an overflow cavity is formed between the baffles and the interior of the valve body, a water inlet cavity is formed between the baffles, a pressure distributing pipe is installed in the water inlet cavity and is in sliding connection with the baffles, the pressure distributing pipe is communicated with the valve nozzle, a water inlet is formed at the lower end of the pressure distributing pipe, pressure distributing holes matched with the water flow holes are formed in the side wall of the pressure distributing pipe, the pressure distributing holes and the water, the pull rod penetrates through the upper end of the valve body and is connected with the valve body in a sliding mode.

2. A valve with a fire hydrant function according to claim 1, wherein a groove is formed at the side end of the partition plate, a guide pillar which is vertically arranged is fixedly installed in the groove, a sliding block which is matched with the groove is fixedly installed at the side end of the pressure dividing pipe, the sliding block is embedded in the groove and is nested on the guide pillar, and the pressure dividing pipe is slidably connected with the partition plate through the mutual matching of the sliding block, the groove and the guide pillar.

3. The valve with the function of the fire hydrant according to claim 1, wherein the ball valve comprises a spherical valve core, the spherical valve core is tightly matched and connected with the inside of the valve nozzle, a water hole is arranged through the spherical valve core, a valve rod is fixedly connected to the upper end of the spherical valve core, the valve rod penetrates through the upper end of the valve body to be rotatably connected with the valve body, and a valve handle is fixedly connected to the upper side of the valve rod.

4. A fire hydrant function according to claim 1, wherein the water discharge hole is an inclined hole inclined downward by 45 ° toward the overflow chamber.

5. A fire hydrant function according to claim 1, wherein a handle is fixedly installed at an upper end of the pull rod.