CN216092019U - Air source matching device of dry fire-fighting water-spraying fire-extinguishing system - Google Patents

Abstract

The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to an air source matching device of a dry fire-fighting water-spraying fire-extinguishing system. The air inlet device comprises an air inlet channel, wherein a first three-way joint is arranged on the air inlet channel and is respectively connected with one end of an inflation channel and one end of a pressure adjusting channel; the other ends of the inflation channel and the pressure adjusting channel are connected with the air outlet channel through a second tee joint. The utility model has simple structure, easy operation, few parts and strong interchangeability, can directly and clearly display the pressure of the pipeline and eliminate the potential safety hazard.

Description

Air source matching device of dry fire-fighting water-spraying fire-extinguishing system

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to an air source matching device of a dry fire-fighting water-spraying fire-extinguishing system.

Background

Dry sprinkler systems have been developed based on wet systems and are widely used in order to meet the cold and special situations where automatic fire suppression systems are installed. Its main line, there is not water when induction control pipeline and shower nozzle internal flatness, only be full of compressed air, in case take place the fire alarm, the breakage of closed shower nozzle is opened, induction control pipeline or main line exhaust first, fire control liquid control valve opens in the system when discharging certain pressure, fire control liquid passes through shower nozzle blowout control intensity of a fire, so call as dry-type system or dry pipe system, dry-type system generally uses compressed air to open and close the control source for the valve, the structure is complicated, difficult operation, unable direct, clear demonstration pipeline atmospheric pressure, there is the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model provides an air source matching device of a dry fire-fighting sprinkler system, which has the advantages of simple structure, easy operation, few parts, strong interchangeability and capability of directly and clearly displaying the air pressure of a pipeline.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an air source matching device of a dry fire-fighting water-spraying fire-extinguishing system,

the air inlet passage is provided with a first three-way joint which is respectively connected with one end of an inflation passage and one end of a pressure adjusting passage; the other ends of the inflation channel and the pressure adjusting channel are connected with the air outlet channel through a second tee joint.

Further, the air inlet channel comprises a filter and a vertical check valve which are connected in sequence.

Further, the vertical check valve is connected with the first three-way joint.

Furthermore, the two ends of the vertical check valve are respectively connected with the filter and the first three-way joint through the external thread joints.

Furthermore, the interlude of quick inflation passageway is equipped with the second control valve, and the control valve both ends are passed through steel pipe joint and are connected with first three way connection, second three way connection respectively.

Furthermore, two ends of the pressure adjusting channel are connected with the first three-way joint and the second three-way joint through the inner and outer wire elbows.

Furthermore, an inner and outer thread loose joint is arranged between the inner and outer thread elbows and the tee joint.

Furthermore, a first control valve is arranged in the middle of the pressure adjusting channel.

Furthermore, two ends of the first control valve are respectively connected with the pressure gauge and the flow restrictor through external wire joints.

Further, the inner and outer wire elbows are connected with the pressure gauge sequentially through the reducer union and the outer wire union; the first control valve is connected with the flow restrictor through the external thread joint and the reducer union at one time.

The beneficial effects of one or more technical schemes are as follows:

the utility model relates to an air source matching device with a pressure adjusting function, which comprises: the pressure gauge has the advantages of simple structure, easy operation, few parts, strong interchangeability, capability of directly and clearly displaying the pressure of the pipeline, and elimination of potential safety hazards.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is an exploded view of the air supply kit of the dry fire sprinkler system.

In the figure, 1, filter; 2. a vertical check valve; 3. a first three-way joint; 4. a second three-way joint; 5. a pressure gauge; 6. a first control valve; 7. a current limiter; 8. a second control valve; 9. a steel pipe joint; 10. an external thread joint; 11. an inner and outer wire elbow; 12. the inner and outer threads are movably connected; 13. a reducer union; 14. a pressure regulating button.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by way of the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present specification, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For the purpose of facilitating an understanding of the present invention, the present invention will be further explained by way of specific embodiments with reference to the accompanying drawings, which are not intended to limit the present invention.

It should be understood by those skilled in the art that the drawings are merely schematic representations of embodiments and that the elements shown in the drawings are not necessarily required to practice the utility model.

Referring to fig. 1, the direction of the arrow is the air inlet direction of the present invention, as shown by the arrow in the figure, the present invention discloses an air source matching device of a dry fire-fighting water-spraying fire-extinguishing system, which can visually display the pressure state and the rapid air charging device, the device includes: the air inlet channel is respectively connected with one end of the quick inflation channel and one end of the pressure adjusting channel through a first three-way joint 3; the other ends of the quick inflation channel and the pressure adjusting channel are connected with the air outlet channel through a second three-way joint 4; the quick inflation channel comprises a pressure gauge 5, a first control valve 6 and a current limiter 7 which are connected in sequence; the pressure regulating channel comprises a steel pipe joint 9 connected with a second control valve 8.

The inlet of the inlet channel is connected with the filter 1, and the pressure gas is firstly filtered by the filter 1, so that the pressure gas is clean. The filter is connected with a first three-way joint 3 through a vertical check valve 2, two ends of the vertical check valve 2 are respectively connected with the filter 1 and the first three-way joint 3 through an external thread joint 10, and pressure gas has two channels, namely a quick inflation channel and a pressure adjusting channel, through a first three-way joint 4; a second control valve 8 is arranged at the middle section of the quick inflation channel, and two ends of the second control valve 8 are respectively connected with the first three-way joint 3 and the second three-way joint 4 through steel pipe joints 9; and when the second control valve 8 is opened, the pressure gas can be quickly injected into the dry fire-fighting main pipeline or the induction control pipeline, and when the air pressure in the pipeline is about to reach a preset value, the second control valve 8 is closed.

Two ends of the pressure adjusting channel are connected with a first three-way joint and a second three-way joint through 90-degree inner and outer wire elbows 11, an inner and outer wire loose joint 12 is arranged between the 90-degree inner and outer wire elbows 11 and the three-way joints, a first control valve 6 is arranged in the middle of the pressure adjusting channel, and two ends of the first control valve 6 are respectively connected with a pressure gauge 5 and a current limiter 7 through outer wire joints 10; when the air pressure injected into the dry fire-fighting main pipeline or the induction control pipeline is about to reach a preset value, the second control valve is closed, the first control valve 6 in the pressure adjusting channel is opened, the pressure air is injected into the dry fire-fighting main pipeline or the induction control pipeline through the pressure adjusting button 14 and the current limiter 7, and the pressure adjusting button 14 can be adjusted through the numerical value of the pressure gauge 5 to adjust the pressure of the pressure air in the dry fire-fighting main pipeline or the induction control pipeline.

Furthermore, the 90-degree inner and outer wire elbows 11 and the pressure gauge 5 are connected with the outer wire joint 10 through the reducer union 13 in sequence; the first control valve 6 and the flow restrictor 7 are connected through an external thread joint 10 and a reducer union 13 in sequence.

In addition, the specific size of the external thread joint can be adaptively adjusted according to the specific pipeline size, and the specific size is not limited.

The working principle of the utility model is as follows: and double air inlet channels are adopted behind the air charging source, one group of air inlet channels are quick air charging channels, and the air charging pressure of the channels is equal to the air source pressure, so that the air can be quickly charged. A set of passageway is the pressure regulation passageway, and when the atmospheric pressure was close to predetermineeing atmospheric pressure in the pipeline soon, this passageway of accessible carries out accurate control, ensures that pressure reaches the setting value, and this passageway function can carry out pressure regulation to air supply output atmospheric pressure in addition, and air supply pressure often exceeds and predetermines pressure, just so can reduce air supply pressure to required atmospheric pressure through this passageway, guarantees pipeline safety.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. An air source matching device of a dry fire-fighting water-spraying fire-extinguishing system is characterized by comprising an air inlet channel, wherein a first three-way joint is arranged on the air inlet channel and is respectively connected with one end of an inflation channel and one end of a pressure adjusting channel; the other ends of the inflation channel and the pressure adjusting channel are connected with the air outlet channel through a second tee joint.

2. The air supply kit for a dry fire sprinkler system as recited in claim 1, wherein the air inlet channel comprises a filter and a vertical check valve connected in series.

3. A dry fire sprinkler system air supply kit as defined in claim 2, wherein said vertical check valve is connected to said first tee fitting.

4. The air supply kit for a dry fire sprinkler system as recited in claim 3, wherein the vertical check valve is connected at both ends thereof to the filter and the first tee fitting through external screw fittings, respectively.

5. An air supply complete set of a dry fire-fighting sprinkler system as set forth in claim 1, wherein a second control valve is provided in the middle of the air charging passage, and both ends of the control valve are connected to the first three-way joint and the second three-way joint through pipes, respectively.

6. An air supply kit for a dry fire sprinkler system as defined in claim 1, wherein the pressure regulating passage is connected at each end to the first tee fitting and the second tee fitting by inner and outer wire elbows.

7. An air supply complete set of a dry fire-fighting sprinkler system as set forth in claim 6, wherein an internal and external thread loose joint is provided between said internal and external thread elbows and the tee.

8. An air supply kit for a dry fire sprinkler system as defined in claim 1, wherein the pressure regulating passage has a first control valve disposed therein.

9. An air supply complete set of a dry fire sprinkler system as set forth in claim 8, wherein both ends of the first control valve are connected to the pressure gauge and the flow restrictor respectively through external wire joints.

10. The air supply complete set of a dry fire-fighting sprinkler system as defined in claim 7, wherein the inner and outer wire elbows are connected to the pressure gauge sequentially through a reducer union and an outer wire union; the first control valve is connected with the flow restrictor through the external thread joint and the reducer union at one time.

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