Fire hydrant pressure detector

Abstract

The utility model relates to the technical field of fire fighting equipment, and discloses a fire hydrant pressure detector which comprises a digital display pressure gauge, a threaded pipe is fixedly arranged at the bottom of the digital display pressure gauge, two pressing rods are fixedly arranged on the inner wall of the bottom end of the threaded pipe, and the threaded pipe is in threaded connection with a detection cylinder. A filtering assembly for filtering a water body is arranged in the detection cylinder, a flow guide sleeve communicated with the threaded pipe is fixedly arranged on the inner wall of the top end of the detection cylinder, and a water stopping assembly for preventing the water body from flowing out through the detection cylinder is arranged in the flow guide sleeve; the digital display pressure gauge is connected with the detection cylinder through the threaded pipe, the digital display pressure gauge and the detection cylinder are convenient to mount and dismount, after the digital display pressure gauge is mounted, pressure can be applied to the water stop assembly through the pressing rod, communication between the flow guide sleeve and the interior of the digital display pressure gauge can be guaranteed, after the digital display pressure gauge is dismounted, fire-fighting water can be prevented from flowing out through the detection cylinder, and the sealing performance of the detection cylinder can be kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely is a fire hydrant pressure detector. BACKGROUND

[0002] ‌The fire hydrant is a kind of fixed fire-fighting facilities, main function is control combustible, insulate combustion-supporting material, eliminate ignition source, to prevent the spread and expansion of fire, divide into indoor fire hydrant and outdoor fire hydrant two big categories, indoor fire hydrant is usually installed inside building, is used with fire hose and water gun and other equipment, is used for extinguishing initial fire, and outdoor fire hydrant is installed outside building, is mainly used for the water from municipal water supply network to implement fire extinguishing by fire engine, the availability of fire extinguishing water source can be determined by detecting fire hydrant pressure, including the water supply capacity of fire hydrant or fire pump‌.

[0003] The application number "202322623101.1" disclosed "a kind of fire hydrant water pressure detection device", "including the joint I;The other end of joint I is threadedly connected with joint II;The end face of the one end of joint I connected with the outlet of fire hydrant is fixed and symmetrically connected with 2n reinforcing rods, the other end of reinforcing rod is fixedly connected with clamping ring structure, clamping ring structure is threadedly connected with 2n fastening bolts, 2n fastening bolts are symmetrically arranged with the center of clamping ring structure as the symmetric center, the free end of fastening bolt is fixedly connected with arc clamping piece through bearing, arc clamping piece is used to clamp and fix the outlet of fire hydrant;The other end of joint II is fixedly connected with test tube, test tube is fixedly connected with pressure gauge for measuring the water pressure in fire hydrant.This application can test the outlet static pressure and dynamic pressure of fire hydrant, and during the test process, filter screen can effectively filter the water flowing out of the outlet of fire hydrant.

[0004] But the above-mentioned mode still has the following defects: the water pressure of fire hydrant can be monitored by pressure gauge, but it is inconvenient to disassemble, after disassembling pressure gauge, fire water will flow out through the installation port of pressure gauge, it is difficult to ensure the sealing property of installation port, filter screen can effectively filter the water flowing out of the outlet of fire hydrant, can reduce the problem of inaccurate test caused by water inclusion adhering on pressure gauge, but it is inconvenient to clean filter material. Utility model content

[0005] In view of the deficiencies of prior art, the utility model provides a kind of fire hydrant pressure detector, with the advantages of convenient installation and disassembly, after disassembling pressure gauge, fire water will not flow out, solve the problems raised in the above background art.

[0006] The utility model provides following technical scheme: a fire hydrant pressure detector, including digital pressure gauge, the bottom of digital pressure gauge is equipped with the threaded pipe, the inner wall of threaded pipe bottom is equipped with two pressure rod, the threaded pipe is connected with detection cylinder, the inside of detection cylinder is equipped with the filter component of filtering water body, the inner wall of detection cylinder top is equipped with the flow guide sleeve of threaded pipe intercommunication, the inside of flow guide sleeve is equipped with the water stop component of preventing water body and flowing out of detection cylinder, the bottom of detection cylinder is equipped with the blowdown valve, one side of detection cylinder is equipped with the flange, one side of flange is connected with the gasket of clamping.

[0007] As a preferred technical scheme of the utility model, the filter component comprises a mounting ring, the mounting ring is fixedly connected with the inner wall of the detection cylinder, a support ring is fixedly connected with one side of the mounting ring through a screw, a filter cup is fixedly arranged on one side of the support ring, and the filter cup is connected with the mounting ring.

[0008] As a preferred technical scheme of the utility model, a through hole is arranged on the surface of the support ring and connected with the screw, a threaded hole is arranged on one side of the mounting ring and connected with the screw, a groove is arranged on one side of the mounting ring, and a sealing ring is clamped and connected in the groove.

[0009] As a preferred technical scheme of the utility model, a wrench position is fixedly arranged on the surface of the threaded pipe, a threaded connector is fixedly arranged on one side of the top end of the detection cylinder, and the threaded pipe is threadedly connected with the threaded connector.

[0010] As a preferred technical scheme of the utility model, the water stop component comprises a guide column, the guide column is slidingly connected with the middle part of the bottom end of the flow guide sleeve, a spring is arranged on the surface of the guide column, a baffle is fixedly arranged on the bottom end of the guide column, a piston is fixedly arranged on the top end of the guide column, and the piston is slidingly connected with the inside of the flow guide sleeve.

[0011] As a preferred technical scheme of the utility model, the spring is located between the flow guide sleeve and the piston, a first water stop ring is clamped and connected with the top of the piston, and a second water stop ring is clamped and connected with the top end of the piston.

[0012] As a preferred technical scheme of the utility model, a plurality of flow-through openings are arranged on the surface of the flow guide sleeve, a flow-through ring is fixedly arranged on the inner wall of the top of the flow guide sleeve, and the piston is coaxial with the flow-through ring.

[0013] As a preferred technical scheme of the utility model, a blowdown opening is arranged on the bottom of the detection cylinder, a blowdown pipe is welded on the bottom of the blowdown opening, and the blowdown valve is fixedly connected with the output end of the blowdown pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1, through the threaded pipe digital pressure gauge and detection cylinder is connected, convenient for its installation and disassembly, through the flange is convenient for the detection cylinder is fixed on the fire hydrant, digital pressure gauge through the installation, can be through the pressure rod on the water stop assembly pressure, can guarantee the flow sleeve and digital pressure gauge inside the communication, digital pressure gauge can detect water pressure, by unscrewing the threaded pipe is convenient for disassembly digital pressure gauge, water stop assembly can block the flow sleeve, digital pressure gauge through the disassembly, can prevent the fire water through the detection cylinder outflow, can keep the sealing of the detection cylinder.

[0016] 2, through the inside of the detection cylinder is provided with filter assembly can filter impurities, and increases the filter area, not easy to block, can prevent impurities to digital pressure gauge, at the same time convenient for the installation and disassembly of filter assembly, through the regular opening of the blowdown valve, fire water under the action of water pressure can filter out the impurities, convenient for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is the structure diagram of the utility model;

[0018] Fig. 2 is the structure diagram of the inside of the detection cylinder of the utility model;

[0019] Fig. 3 is the explosion structure diagram of the filter assembly of the utility model;

[0020] Fig. 4 is the structure diagram of the flow sleeve of the utility model;

[0021] Fig. 5 is the structure diagram of the water stop assembly of the utility model.

[0022] In the drawing: 1, digital pressure gauge;2, threaded joint;3, threaded pipe;4, wrench position;5, pressure rod;6, detection cylinder;7, filter assembly;701, installation ring;702, screw;703, support ring;704, filter cup;705, threaded hole;706, groove;707, sealing ring;8, flow sleeve;9, water stop assembly;901, guide column;902, spring;903, piston;904, water stop ring one;905, water stop ring two;906, baffle;10, flow through the mouth;11, flow through the ring;12, flange;13, sealing pad;14, blowdown pipe;15, blowdown valve. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figs. 1-5 , the fire hydrant pressure detector, including digital pressure gauge 1, the bottom of digital pressure gauge 1 is fixedly provided with threaded pipe 3, digital pressure gauge 1 is connected with detection cylinder 6 through threaded pipe 3, which facilitates its installation and disassembly, the inner wall of the bottom end of threaded pipe 3 is fixedly provided with two pressure rods 5, threaded pipe 3 is threadedly connected with detection cylinder 6, the inside of detection cylinder 6 is provided with filter assembly 7 for filtering water, the inner wall of the top end of detection cylinder 6 is fixedly provided with flow guide sleeve 8 communicated with threaded pipe 3, the inside of flow guide sleeve 8 is provided with water stop assembly 9 for preventing water from flowing out through detection cylinder 6, after installation, digital pressure gauge 1 can press water stop assembly 9 through pressure rod 5, which can ensure the communication between flow guide sleeve 8 and the inside of digital pressure gauge 1, digital pressure gauge 1 can detect water pressure, after disassembly, water stop assembly 9 can block flow guide sleeve 8, which can prevent fire water from flowing out through detection cylinder 6, the bottom end of detection cylinder 6 is fixedly provided with blowdown valve 15, one side of detection cylinder 6 is fixedly provided with flange 12, one side of flange 12 is clamped and connected with sealing gasket 13;

[0025] In the embodiment, preferably, the filter assembly 7 comprises a mounting ring 701, the mounting ring 701 is fixedly connected with the inner wall of the detection cylinder 6, one side of the mounting ring 701 is fixedly connected with a support ring 703 through a screw 702, one side of the support ring 703 is fixedly provided with a filter cup 704, the filter cup 704 is connected with the mounting ring 701, the surface of the support ring 703 is provided with a through hole connected with the screw 702, one side of the mounting ring 701 is provided with a threaded hole 705, the screw 702 is connected with the threaded hole 705, the screw 702 can be arranged through the through hole, the screw 702 cooperates with the threaded hole 705 to enable the support ring 703 to be installed and dismounted, the filter cup 704 can filter impurities in water, one side of the mounting ring 701 is provided with a groove 706, the inside of the groove 706 is clamped and connected with a sealing ring 707, the sealing ring 707 is limited through the groove 706, and the sealing ring 707 can seal between the support ring 703 and the mounting ring 701;

[0026] In the embodiment, preferably, the water stop assembly 9 comprises a guide column 901, the guide column 901 is in sliding connection with the middle part of the bottom end of the flow guide sleeve 8, the surface of the guide column 901 is sleeved with a spring 902, the bottom end of the guide column 901 is fixedly provided with a baffle 906, the top end of the guide column 901 is fixedly provided with a piston 903, the piston 903 is in sliding connection with the inside of the flow guide sleeve 8, the spring 902 is located between the flow guide sleeve 8 and the piston 903, the top of the piston 903 is clamped and connected with a water stop ring one 904, the top end of the piston 903 is clamped and connected with a water stop ring two 905, the surface of the flow guide sleeve 8 is provided with a plurality of flow-through openings 10, the inner wall of the top of the flow guide sleeve 8 is fixedly provided with a flow-through ring 11, the piston 903 is coaxial with the flow-through ring 11, in the process of installing the digital pressure gauge 1, the pressure rod 5 can press the piston 903, the piston 903 can compress the spring 902, so that the communication between the flow guide sleeve 8 and the inside of the digital pressure gauge 1 can be ensured, the digital pressure gauge 1 can detect the water pressure, after the digital pressure gauge 1 is disassembled, the spring 902 can push the piston 903 to reset, so that the piston 903 can be attached to the flow-through ring 11 inside the flow guide sleeve 8, under the action of the spring 902 and the water pressure, the water stop ring one 904 and the water stop ring two 905 can ensure the sealing between the piston 903 and the flow-through ring 11, so that the water body can be prevented from flowing out of the detection cylinder 6;

[0027] In the embodiment, preferably, the surface of the threaded pipe 3 is fixedly provided with a wrench position 4, one side of the top end of the detection cylinder 6 is fixedly provided with a threaded connector 2, the threaded pipe 3 is in threaded connection with the threaded connector 2, the threaded pipe 3 can be connected with the threaded connector 2 by rotating the threaded pipe 3 through the wrench position 4;

[0028] In the embodiment, preferably, the bottom of the detection cylinder 6 is provided with a blowdown opening, the bottom of the blowdown opening is welded with a blowdown pipe 14, a blowdown valve 15 is fixedly connected with the output end of the blowdown pipe 14, the impurities can be guided into the blowdown valve 15 through the blowdown pipe 14 and the blowdown opening.

[0029] In use, the staff first connects the digital pressure gauge 1 with the detection cylinder 6 by rotating the threaded pipe 3 through the wrench position 4 of the threaded pipe 3, in the process of installing the digital pressure gauge 1, the pressure rod 5 can press the piston 903 of the water stop assembly 9, the piston 903 can compress the spring 902 and separate from the flow-through ring 11, so that the communication between the flow guide sleeve 8 and the inside of the digital pressure gauge 1 can be ensured, then the screw 702 is arranged through the through hole of the supporting ring 703, the screw 702 can fix the supporting ring 703 in cooperation with the threaded hole 705, the filter cup 704 can be installed, then the detection cylinder 6 is fixed on the fire hydrant through the flange 12, the sealing gasket 13 can seal the connection part, the digital pressure gauge 1 can detect the water pressure inside the fire hydrant;

[0030] During the detection process, the filter cup 704 can filter the impurities in the water, and the filtering area is increased, so that the filter cup 704 is not easy to be blocked, and the impurities can be prevented from reaching the digital pressure gauge 1. The worker regularly opens the blowdown valve 15, and the filtered impurities can be discharged through the blowdown pipe 14 under the action of water pressure, so that the impurities can be quickly cleaned.

[0031] When the digital pressure gauge 1 needs to be disassembled, repaired and replaced, the worker can disassemble the digital pressure gauge 1 by rotating the threaded pipe 3 at the wrench position 4. After the digital pressure gauge 1 is disassembled, the spring 902 can push the piston 903 to reset, so that the piston 903 can be attached to the flow ring 11 inside the flow guide sleeve 8. Under the action of the spring 902 and the water pressure, the water stop ring one 904 and the water stop ring two 905 can ensure the sealing between the piston 903 and the flow ring 11, so that the water can be prevented from flowing out of the detection cylinder 6.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydrant pressure detector comprising a digital pressure gauge (1) characterised in that: The bottom of the digital pressure gauge (1) is fixedly provided with a threaded pipe (3), the inner wall of the bottom end of the threaded pipe (3) is fixedly provided with two pressure rods (5), the threaded pipe (3) is threadedly connected with a detection cylinder (6), the inside of the detection cylinder (6) is provided with a filtering assembly (7) for filtering water, the inner wall of the top end of the detection cylinder (6) is fixedly provided with a flow guide sleeve (8) in communication with the threaded pipe (3), the inside of the flow guide sleeve (8) is provided with a water stopping assembly (9) for preventing water from flowing out of the detection cylinder (6), the bottom end of the detection cylinder (6) is fixedly provided with a blowdown valve (15), one side of the detection cylinder (6) is fixedly provided with a flange (12), one side of the flange (12) is clamped and connected with a sealing gasket (13).

2. The hydrant pressure detector of claim 1, wherein: The filtering assembly (7) comprises a mounting ring (701), the mounting ring (701) is fixedly connected with the inner wall of the detection cylinder (6), one side of the mounting ring (701) is fixedly connected with a supporting ring (703) through a screw (702), one side of the supporting ring (703) is fixedly provided with a filter cup (704), and the filter cup (704) is insertedly connected with the mounting ring (701).

3. The hydrant pressure detector of claim 2, wherein: The surface of the supporting ring (703) is provided with a through hole in insertion connection with the screw (702), one side of the mounting ring (701) is provided with a threaded hole (705), the screw (702) is connected with the threaded hole (705), one side of the mounting ring (701) is provided with a groove (706), and the inside of the groove (706) is clamped and connected with a sealing ring (707).

4. The hydrant pressure detector of claim 1, wherein: The surface of the threaded pipe (3) is fixedly provided with a wrench position (4), one side of the top end of the detection cylinder (6) is fixedly provided with a threaded joint (2), and the threaded pipe (3) is threadedly connected with the threaded joint (2).

5. The hydrant pressure detector of claim 1, wherein: The water stopping assembly (9) comprises a guide column (901), the guide column (901) is slidingly connected with the middle portion of the bottom end of the flow guide sleeve (8), the surface of the guide column (901) is sleeved with a spring (902), the bottom end of the guide column (901) is fixedly provided with a baffle (906), the top end of the guide column (901) is fixedly provided with a piston (903), and the piston (903) is slidingly connected with the inside of the flow guide sleeve (8).

6. The hydrant pressure detector of claim 5, wherein: The spring (902) is located between the flow guide sleeve (8) and the piston (903), the top of the piston (903) is clamped and connected with a first water stopping ring (904), and the top end of the piston (903) is clamped and connected with a second water stopping ring (905).

7. The hydrant pressure detector of claim 5, wherein: The surface of the flow guide sleeve (8) is provided with a plurality of flow-through openings (10), the inner wall of the top portion of the flow guide sleeve (8) is fixedly provided with a flow-through ring (11), and the piston (903) is coaxial with the flow-through ring (11).

8. The hydrant pressure detector of claim 1, wherein: The bottom of the detection cylinder (6) is provided with a blowdown opening, the bottom of the blowdown opening is welded with a blowdown pipe (14), and the blowdown valve (15) is fixedly connected with the output end of the blowdown pipe (14).

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