TWI585326B - Adjustable pressure of the fire faucet - Google Patents

Description

Adjustable pressure hydrant

The invention relates to a fire hydrant, in particular to a fire hydrant structural improvement capable of presetting a fire liquid flow.

A general large building or factory will be equipped with a fire water tank or a fire foam tank, so that the fire water tank or fire foam tank is connected to the fire line, and a fire hydrant is combined at the end of the fire line. When a fire accidentally occurs, the personnel can quickly connect the fire hose to the fire hydrant, and then when the fire hydrant is turned on, the fire protection liquid (water or foam liquid) in the fire pipeline can be passed through the fire hydrant and fire protection. The tube is ejected.

Today's fire hydrant usually comprises a body, a rotating shaft disposed on the body, a valve coupled to one end of the rotating shaft and located in the body, and a hand wheel coupled to the other end of the rotating shaft, and an inlet end of the body is connected to the fire The pipeline is opened by rotating the hand wheel during use, so that the fire-fighting liquid flows directly from the outlet end of the body into the fire hose. However, the current law requires that the pressure generated by each pump used for fire protection exceeds the design pressure of the water pipes, fire hydrants and hoses. Pressure reducing valves should be installed. The installation and adjustment should prevent any part of the main fire protection system. Over high pressure. Therefore, if a pressure regulating structure can be provided in the fire hydrant, it is not necessary to separately provide a pressure reducing valve, and the pressure of the fire fighting liquid can be appropriately controlled to prevent the high pressure from causing the fire fighting system. damage.

The object of the present invention is to provide a fire faucet capable of adjusting pressure, so that the fire hydrant has the function of regulating the pressure, and the structure for adjusting the pressure can be easily operated, and the fire protection system is protected.

In order to achieve the above object, the fire faucet of the present invention can be adjusted. The preferred technical solution includes: a body having a liquid inlet and a liquid outlet, and a liquid inlet and a liquid outlet. Between the valve, a shaft that drives the valve to open and close, and a rotating element that is coupled to the shaft. And a flow regulator having a joint or a joint integrally formed at the liquid outlet, a fixed or integrally formed brake piece at the end of the joint, and a rotatably disposed and abutting the fixed brake The movable brake pad has one or more fixed brake holes, and the movable brake blade has more than one movable brake hole, and the movable brake pad rotates to make the movable brake hole corresponding to or offset from the fixed brake hole.

In the above-mentioned adjustable pressure fire hydrant, the movable shutter is disposed in the joint and abuts against the inner surface of the fixed brake.

In the above-mentioned adjustable pressure fire hydrant, the liquid outlet is provided with a first threaded portion, and the first end of the joint is provided with a second threaded portion screwed to the first threaded portion.

In the above-mentioned adjustable pressure fire hydrant, the second end of the connecting tube is provided with a third threaded portion, and the fixed shutter is provided with a fourth threaded portion screwed to the third threaded portion.

In the above-mentioned adjustable pressure fire hydrant, the movable brake piece has There is an actuating aperture for rotating the movable shutter.

In the above-mentioned adjustable pressure fire hydrant, the fixed brake piece has a through hole communicating with the actuating hole.

In the above-mentioned adjustable pressure fire hydrant, the flow regulator further includes a buckle, and the buckle is sleeved outside the nozzle.

In the above-mentioned adjustable pressure fire hydrant, the flow regulator further comprises a pressure regulating valve piece and an elastic element, wherein the pressure regulating valve piece is movably disposed in the connecting tube, and the elastic element is disposed in the connecting tube, the elasticity One end of the component abuts against the regulator valve.

The above-mentioned adjustable pressure fire hydrant further includes a pressure gauge coupled to the body and connected to a circulation passage in the body.

The fire faucet capable of regulating pressure can be pre-adjusted according to the pressure limit of the fire protection system installed therein, and the movable shutter is manually rotated, so that the movable gate of the movable shutter corresponds to or is staggered with the fixed gate. In this way, the flow and pressure of the fire-fighting liquid flowing through the gate hole are restricted, thereby achieving the functions of simple operation and protection of the fire protection system.

1‧‧‧ Ontology

11‧‧‧ inlet port

12‧‧‧liquid outlet

121‧‧‧First threaded part

13‧‧‧Circulation channel

14‧‧‧ Valve

15‧‧‧ shaft

16‧‧‧Rotating components

2‧‧‧Flow Regulator

21‧‧‧ take over

211‧‧‧Second thread

212‧‧‧ Third thread

22‧‧‧Fixed brake pads

221‧‧‧Fixed gate hole

222‧‧‧through hole

223‧‧‧Four thread

23‧‧‧Active shutters

231‧‧‧ Activity gate hole

232‧‧‧ actuation hole

24‧‧‧Regulator valve

25‧‧‧Flexible components

26‧‧‧ buckle

3‧‧‧ pressure gauge

1 is a perspective view of a preferred embodiment of a fire hydrant of the present invention.

2 is an exploded perspective view of a preferred embodiment of the fire hydrant of the present invention.

Figure 3 is a cross-sectional view showing a preferred embodiment of the fire hydrant of the present invention.

4 is a schematic view showing the corresponding state of the movable gate hole and the fixed gate hole of the present invention.

Fig. 5 is a schematic view showing the action of the rotation of the movable shutter of the present invention.

FIG. 6 is a schematic view showing the staggered state of the movable gate hole and the fixed gate hole according to the present invention.

The structural features and other functions and purposes of the present invention are described in detail with reference to the accompanying drawings. As shown in FIG. 1 and FIG. 2, the preferred embodiment of the adjustable pressure fire hydrant of the present invention includes a body 1 And a flow regulator 2, wherein: as shown in FIG. 2 and FIG. 3, the body 1 is a forged or cast copper valve body having a liquid inlet 11 at one end of the body 1 and a a liquid outlet 12 on one side of the body 1 , a flow passage 13 connecting the liquid inlet 11 and the liquid outlet 12 in the body 1 , and being disposed between the liquid inlet 11 and the liquid outlet 12 The valve 14 in the circulation passage 13 is rotatably disposed in the body 1 and coupled to the valve 14 for opening and closing the shaft 15 of the valve 14, and a rotating member 16 coupled to the end of the shaft 15; As shown in FIG. 2 and FIG. 3, the flow regulator 2 has a connector 21 integrally or integrally formed at the liquid outlet 12, a fixed shutter 22 integrally or integrally formed at the end of the connector 21, and a a movable shutter 23 rotatably disposed adjacent to one side of the fixed shutter 22; the fixed shutter 22 is provided with a The above fixed gate 221 has a total of six fixed gate holes 221 as shown in the figure, and the movable shutter 23 has more than one movable shutter hole 231, and the movable shutter 23 can be manually rotated, so that the movable shutter hole 231 corresponds to the fixed gate 221 (as shown in FIG. 4) or staggered (as shown in FIGS. 5 and 6), thereby adjusting the flow rate of the fire-fighting liquid passing through the fixed gate 221 .

As shown in FIG. 2 and FIG. 3, the movable shutter 23 is specifically The actuating hole 232 is preferably disposed in the connecting portion 21 and adjacent to the inner surface of the fixed shutter 22. The movable shutter 23 is provided with an actuating hole 232 for rotating the movable shutter 23, and the actuating hole 232 is preferably disposed. The hexagonal hole or other polygonal hole is a hole, and the center of the fixed shutter 22 can be provided with a through hole 222 communicating with the actuating hole 232, so that the actuating hole 232 has the function of twisting the movable shutter 23. In addition, it can also cooperate with the through hole 222 to form a hole for the first-class fire-fighting liquid.

The connecting tube 21 can be combined or integrally formed at the end of the liquid outlet 12, as shown in FIG. 2 and FIG. 3, and the combined embodiment can be provided with a first threaded portion 121 at the liquid outlet 12, as shown in the figure. The first threaded portion 121 can be an internal thread; and the first end of the connecting tube 21 is provided with a second threaded portion 211 screwed to the first threaded portion 121. The second threaded portion 211 can be internally threaded as shown. Furthermore, the fixed brake piece 22 can be combined or integrally formed at the end of the connecting tube 21, as shown in FIG. 2 and FIG. 3, and the combined embodiment can be provided with a third threaded portion at the second end of the connecting tube 21. 212. The third threaded portion 212 is internally threaded as shown in the drawing; and a fourth threaded portion 223 screwed to the third threaded portion 212 is disposed around the fixed shutter 22, the fourth thread is shown in the figure. The portion 223 is externally threaded. It should be noted that the above-mentioned thread combination technique is only one of the preferred embodiments of the present invention, and is not limited to the above, and the connection 21 can be combined at the end of the liquid outlet 12, and the fixed shutter 22 is combined in the nozzle. 21, all of which are included in the combined technology of the present invention.

The above-mentioned flow regulator 2 is an embodiment for manually adjusting the flow rate and pressure. The present invention can also implement an automatic voltage stabilization structure in the flow regulator 2, as shown in FIG. 2 and FIG. 21 is provided with a pressure regulating valve piece 24 and an elastic element 25, and the pressure regulating valve piece 24 is axially movable The elastic member 25 is disposed in the connector 21 such that one end of the elastic member 25 abuts against the pressure regulating valve piece 24 and the other end thereof is disposed. Relying on the movable shutter 23, whereby when the fire-fighting liquid flows out from the liquid outlet 12, the pressure thereof can push the pressure regulating valve piece 24. When the pressure is too large or the water pump is unstable, the pressure regulating valve piece can be utilized. 24 generates a reaction force with the elastic member 25, and thus can control the voltage regulation of the fire-fighting liquid.

The connecting pipe 21 of the flow regulator 2 of the present invention can be connected to a fire hose, and in order to provide a quick connection of the fire hose, as shown in FIG. 2 and FIG. 3, a buckle 26 can be sleeved outside the connecting pipe 21 so that The fire hose is fast snapped. Moreover, the present invention can be implemented with a pressure gauge 3, which can be an electronic pressure gauge or a mechanical pressure gauge (such as a Bourdon tube pressure gauge, etc.), which is coupled to the body 1 side, and The flow passage 13 connected to the body 1 is connected to measure the pressure of the fire fighting liquid.

In summary, the fire faucet that can adjust the pressure of the invention has practicality and creativity, and the application of the technical means is novel and undoubted, and the efficacy and design purpose are in line with the fact that it has been reasonably improved. To this end, the invention patent application was filed according to law, but the bureau was requested to give a detailed examination, and the patent was granted as a prayer.

1‧‧‧ Ontology

11‧‧‧ inlet port

12‧‧‧liquid outlet

121‧‧‧First threaded part

13‧‧‧Circulation channel

14‧‧‧ Valve

15‧‧‧ shaft

16‧‧‧Rotating components

2‧‧‧Flow Regulator

21‧‧‧ take over

212‧‧‧ Third thread

22‧‧‧Fixed brake pads

221‧‧‧Fixed gate hole

222‧‧‧through hole

223‧‧‧Four thread

23‧‧‧Active shutters

231‧‧‧ Activity gate hole

232‧‧‧ actuation hole

24‧‧‧Regulator valve

25‧‧‧Flexible components

26‧‧‧ buckle

3‧‧‧ pressure gauge

Claims (5)

The utility model relates to a fire faucet capable of regulating pressure, comprising: a body having a liquid inlet and a liquid outlet connected to each other, a valve disposed between the liquid inlet and the liquid outlet, and driving the valve to open and a closed rotating shaft, and a rotating element coupled to the rotating shaft; and a flow regulator having a joint formed integrally or integrally formed at the liquid outlet, a fixed or integrated fixed brake piece at the end of the connecting end, And a movable shutter rotatably disposed adjacent to the fixed shutter, the movable shutter is disposed in the joint and abutting against an inner surface of the fixed brake; the fixed brake has more than one fixed a shutter hole, the movable shutter has more than one movable shutter hole, and the movable shutter rotates to make the movable gate corresponding to or offset with the fixed gate; the movable shutter has a center for rotating the movable shutter An actuating hole having a through hole communicating with the actuating hole in the center; and a voltage regulating valve piece and an elastic element, wherein the voltage regulating valve piece is movably disposed in the connecting tube, the elastic element is disposed at The elastic element in the nozzle Abuts against one end of the regulator valve, the other end bears against the movable brake lining. The hydrant with adjustable pressure according to claim 1, wherein the liquid outlet is provided with a first threaded portion, and the first end of the nozzle is provided with a second threaded portion screwed to the first threaded portion. The hydrant with adjustable pressure according to claim 1, wherein the second end of the nozzle is provided with a third threaded portion, and the fixed brake piece is provided with a screw The fourth threaded portion of the third threaded portion. The hydrant with adjustable pressure as claimed in claim 1, wherein the flow regulator further comprises a buckle, and the buckle is sleeved outside the nozzle. The hydrant with adjustable pressure as claimed in claim 1, further comprising a pressure gauge coupled to the body and connected to a circulation passage in the body.