CN218408684U

CN218408684U - Pressure reducing valve for fire fighting system

Info

Publication number: CN218408684U
Application number: CN202222102233.5U
Authority: CN
Inventors: 项有钤
Original assignee: Zhejiang Longzhu Valve Technology Co ltd
Current assignee: Zhejiang Longzhu Valve Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-31
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a pressure reducing valve used for a fire fighting system, which relates to the technical field of pressure reducing valves, wherein one side of a valve body is provided with an inlet component, the other side of the valve body is provided with an outlet component, the center of the bottom of the valve body is provided with a sewage outlet, and the inside of the valve body is provided with an active carbon filter plate; the two assemblies can be connected according to pipelines with different sizes, the adaptability is strong, the flexibility is realized, and the tightness between the two assemblies and the pipelines is increased through the sealing arrangement, so that the water source is prevented from leaking; when the water source circulated in the valve body, the particle of iron that contains in the aquatic through the active carbon filter plate, aluminium, sand etc. filters, the impurity that the active carbon filter plate will filter is located the valve body, the water source after the filtration flows from export subassembly, the user can open the tube cap and discharge impurity, prevent that the granule from causing there is the pollutant in the valve body, whole life and the result of use of this structure improvement relief pressure valve, and the discharged water source can carry out the reutilization.

Description

Pressure reducing valve for fire fighting system

Technical Field

The utility model relates to a relief pressure valve technical field specifically is a relief pressure valve that fire extinguishing system used.

Background

Because the water may contain iron, aluminum, sand and other particles, when the pressure reducing valve used in the fire-fighting system is used, some particles may cause flow rate change in the valve body in long-time accumulation, and a blockage situation may occur in severe cases, and the contained particles cannot be discharged, so that the whole service life and the use effect are reduced; and when the pressure reducing valve is connected with a pipeline, the structure is single, novelty and flexibility are not provided, the pressure reducing valve can be connected with a pipeline of one size only and cannot be connected with pipelines of different sizes, and the applicability is poor, so that workers in the field provide the pressure reducing valve for the fire fighting system.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a pressure reducing valve used by a fire fighting system, which solves the problems that when the pressure reducing valve used by the fire fighting system is used, some particles possibly cause the flow speed change in the valve body in long-time accumulation, the blockage situation can occur in serious conditions, and the contained particles can not be discharged; and when the pressure reducing valve is connected with a pipeline, the pressure reducing valve can only be connected with the pipeline with one size and cannot be connected with the pipelines with different sizes.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a pressure reducing valve used for a fire fighting system comprises a valve body, wherein an inlet assembly is arranged on one side of the valve body, an outlet assembly is arranged on the other side of the valve body, a sewage discharge outlet is formed in the center of the bottom of the valve body, and an activated carbon filter plate is arranged inside the valve body;

the inlet assembly comprises a water inlet pipe connected to one side of the outside of the valve body, and a first connecting plate and a second connecting plate are arranged inside the water inlet pipe respectively.

As a further technical scheme of the utility model, the bottom threaded connection of drain has flexible hose, flexible hose's bottom is connected with the tube cap.

As a further technical scheme of the utility model, first connecting plate is big than the diameter of second connecting plate, the inner wall of inlet tube is provided with first screw thread, the inner wall of first connecting plate is provided with the second screw thread.

As a further technical scheme of the utility model, the inner wall of second connecting plate is provided with the third screw thread, a plurality of equidistant first logical grooves of group and the logical groove of second are seted up respectively to the inside of first connecting plate and second connecting plate.

As a further technical scheme of the utility model, the limbers has been seted up in the inside center department of inlet tube, limbers, first logical groove and second lead to the groove and be the intercommunication structure.

As a further technical scheme of the utility model, entry subassembly and export subassembly are the same subassembly of structure, the outside one end of first connecting plate and second connecting plate is provided with the same first sealed pad of shape and the sealed pad of second respectively.

Advantageous effects

The utility model provides a relief pressure valve that fire extinguishing system used. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a relief pressure valve that fire extinguishing system used, the user is connected the one end and the entry subassembly of inlet channel, outlet conduit is connected with the export subassembly, can be connected according to not unidimensional pipeline through setting up of two subassemblies, adaptability is strong, and has the flexibility, according to user's demand with pipe connection in suitable screw thread department, and through the tight type between sealed setting increase and the pipeline, prevent that the water source from spilling, this structure has novelty and flexibility, adaptability is strong.

2. The utility model provides a relief pressure valve that fire extinguishing system used, the water source is when the valve body circulates, iron that contains in with the aquatic through the active carbon filter plate, aluminium, the particle of sand etc. filters, the impurity of active carbon filter plate after will filtering is located the valve body, the water source after the filtration flows from export subassembly, the user can open the tube cap and discharge impurity, prevent that the granule from causing there being the pollutant in the valve body, the whole life and the result of use of this structure improvement relief pressure valve, and the discharged water source can carry out the reutilization.

Drawings

FIG. 1 is a schematic view of a pressure reducing valve for use in a fire protection system;

FIG. 2 is an internal view of a pressure reducing valve for use in a fire fighting system;

FIG. 3 is a schematic view of an outlet assembly of a pressure reducing valve used in a fire fighting system;

FIG. 4 is an exploded view of an outlet assembly of a pressure reducing valve used in a fire protection system.

In the figure: 1. a valve body; 2. an inlet assembly; 3. an outlet assembly; 4. a sewage draining port; 5. a flexible hose; 6. a tube cover; 7. an active carbon filter plate; 21. a water inlet pipe; 22. a first connecting plate; 23. a second connecting plate; 24. a water through hole; 25. a first thread; 26. a second thread; 27. a third thread; 28. a first through groove; 29. a second through groove; 210. a first gasket; 211. a second gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-2, the present invention provides a pressure reducing valve for a fire fighting system, comprising: a pressure reducing valve used for a fire fighting system comprises a valve body 1, wherein an inlet component 2 is arranged on one side of the valve body 1, an outlet component 3 is arranged on the other side of the valve body 1, a sewage outlet 4 is arranged at the center of the bottom of the valve body 1, a telescopic hose 5 is connected to the bottom of the sewage outlet 4 in a threaded manner, a pipe cover 6 is connected to the bottom of the telescopic hose 5, and an active carbon filter plate 7 is arranged inside the valve body 1; the inlet component 2 and the outlet component 3 have the same structure and can be connected with pipelines with different sizes, the telescopic hose 5 can be extended or shortened, the activated carbon filter plate 7 can filter impurities in water and discharge the impurities in the valve body 1 through the pipe cover 6;

referring to fig. 3-4, the inlet assembly 2 includes a water inlet pipe 21 connected to one side of the exterior of the valve body 1, a first connecting plate 22 and a second connecting plate 23 are respectively arranged inside the water inlet pipe 21, the first connecting plate 22 has a larger diameter than the second connecting plate 23, a first thread 25 is arranged on the inner wall of the water inlet pipe 21, a second thread 26 is arranged on the inner wall of the first connecting plate 22, a third thread 27 is arranged on the inner wall of the second connecting plate 23, a plurality of groups of equidistant first through grooves 28 and second through grooves 29 are respectively arranged inside the first connecting plate 22 and the second connecting plate 23, a water through hole 24 is arranged at the center of the interior of the water inlet pipe 21, the water through hole 24, the first through grooves 28 and the second through grooves 29 are of an intercommunicating structure, the inlet assembly 2 and the outlet assembly 3 are assemblies having the same structure, and a first sealing gasket 210 and a second sealing gasket 211 having the same shape are respectively arranged at one end of the exterior of the first connecting plate 22 and the second connecting plate 23; the first sealing gasket 210 and the second sealing gasket 211 increase the tightness between the water source and the pipeline, and prevent the water source from leaking, if the water source is connected at the first thread 25 with the maximum size, the water source flows into the connected pipeline from the water through hole 24 to the first through groove 28 and the second through groove 29 when the water source flows.

The utility model discloses a theory of operation: when the water supply device is used, a user connects one end of a water inlet pipeline with the inlet component 2, a water outlet pipeline with the outlet component 3, the two components can be connected according to pipelines with different sizes, the adaptability is strong, the flexibility is realized, if the size of the pipeline is small, the water supply device is connected to a third thread 27 arranged on the inner wall of the second connecting plate 23, if the size of the pipeline is large, the water supply device is connected to a first thread 25 arranged on the inner wall of the water inlet pipe 21, at the moment, water flows out from the water through hole 24 and simultaneously flows into the connected pipelines from the first through groove 28 and the second through groove 29 respectively, the pipelines with different sizes are connected to appropriate threads according to the requirements of the user, the tightness between the water supply device and the pipelines is increased through the first sealing gasket 210 and the second sealing gasket 211, the water supply device can be prevented from leaking, and the outlet component 3 can also be connected according to the pipelines with different sizes;

when the water source circulates in valve body 1, iron that contains in the aquatic through active carbon filter plate 7, aluminium, the particle of sand etc. filters, the impurity of active carbon filter plate 7 after will filtering is located valve body 1, the water source after the filtration flows from export subassembly 3 department, the user can open the granule discharge that tube cap 6 will be located valve body 1, prevent that the granule from causing there being the pollutant in valve body 1, improve whole life and result of use and expansion hose 5 and can lengthen or shorten, the flexibility has, the reuse can be carried out in the discharged water source.

Claims

1. The pressure reducing valve used for the fire fighting system is characterized by comprising a valve body (1), wherein one side of the valve body (1) is provided with an inlet component (2), the other side of the valve body (1) is provided with an outlet component (3), the center of the bottom of the valve body (1) is provided with a sewage outlet (4), and an active carbon filter plate (7) is arranged inside the valve body (1);

the inlet assembly (2) comprises a water inlet pipe (21) connected to one side of the outside of the valve body (1), and a first connecting plate (22) and a second connecting plate (23) are arranged inside the water inlet pipe (21) respectively.

2. A pressure reducing valve for a fire fighting system according to claim 1, characterized in that the bottom of the sewage draining exit (4) is connected with an extension hose (5) in a threaded manner, and the bottom of the extension hose (5) is connected with a pipe cover (6).

3. A pressure reducing valve for use in a fire fighting system according to claim 1, characterized in that the first connecting plate (22) has a larger diameter than the second connecting plate (23), that the inner wall of the water inlet pipe (21) is provided with a first thread (25) and that the inner wall of the first connecting plate (22) is provided with a second thread (26).

4. A pressure reducing valve used in a fire fighting system according to claim 1, characterized in that the inner wall of the second connecting plate (23) is provided with a third thread (27), and a plurality of sets of equidistant first and second through grooves (28, 29) are respectively opened in the first and second connecting plates (22, 23).

5. The pressure reducing valve used in a fire fighting system according to claim 4, wherein a water through hole (24) is formed in the center of the inside of the water inlet pipe (21), and the water through hole (24), the first through groove (28) and the second through groove (29) are communicated with each other.

6. A pressure reducing valve for a fire fighting system according to claim 1, characterized in that the inlet module (2) and the outlet module (3) are structurally identical modules, and the first connecting plate (22) and the second connecting plate (23) are provided at their outer ends with a first sealing gasket (210) and a second sealing gasket (211) respectively, which have the same shape.