Fire hydrant detection device and fire hydrant assembly

By designing a fire hydrant detection device with sealing ring and snap-on structure, the existing fire hydrant pressure detection methods have solved the problems of poor sealing and waste of water resources, and achieved more accurate detection data and more efficient water resources utilization.

CN222752486UActive Publication Date: 2025-04-15THREE GORGES JINSHAJIANG CHUANYUN HYDROPOWER DEV CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421417747.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-04-15
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing fire hydrant pressure detection methods have problems such as poor sealing and waste of water resources, resulting in poor accuracy of detection data.

Method used

A fire hydrant detection device is designed, using components such as connecting pipes, detection pipes, pressure gauges, sealing rings and snaps. Through the coordination between the snaps and the slots and the sealing structure of the sealing ring, the sealing between the connecting pipes and the water outlet is improved, and the water storage tank and water supply pipe are designed to avoid waste of water resources.

Benefits of technology

The sealing and firmness between the connecting pipe and the water outlet is improved, the accuracy of the detection data is ensured, and the waste of water resources is avoided through the design of the water storage tank.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222752486U_ABST
    Figure CN222752486U_ABST
Patent Text Reader

Abstract

The utility model discloses a fire hydrant detection device and a fire hydrant assembly, and relates to the technical field of fire hydrants. The fire hydrant detection device comprises a connecting pipe and a detection pipe with two closed ends, a pressure gauge is arranged on the detection pipe, one end of the connecting pipe is communicated with the detection pipe, and the inner surface of the other end of the connecting pipe is in sealed connection with a first sealing ring extending outwards. At least two buckles are evenly distributed at the end, away from the connecting pipe, of the first sealing ring in the circumferential direction of the first sealing ring, the outer surface of the other end of the connecting pipe is in threaded sealing connection with a third sealing ring extending outwards, and internal threads are arranged on the inner surface of the third sealing ring. The fire hydrant detection device provided by the embodiment of the utility model is used for being mounted at the water outlet of the fire hydrant to detect the pressure of the fire hydrant, so that the accuracy of detection data is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of fire hydrants, and in particular to a fire hydrant detection device and a fire hydrant assembly. Background Art

[0002] Fire hydrants are an important part of urban infrastructure and a key facility to ensure urban fire safety. Fire hydrants need to be pressure tested regularly to ensure that they can be used normally.

[0003] At present, it is common to connect a pressure detection tube to the water outlet of a fire hydrant and to set a pressure gauge on the pressure detection tube to perform pressure detection on the fire hydrant.

[0004] However, this detection method has the following disadvantages: 1. The pressure detection tube is butt-jointed with the water outlet of the fire hydrant and connected with a clamp, which has poor sealing performance and can easily cause the water in the fire hydrant to overflow at the connection, thereby resulting in poor accuracy of the detection data; 2. After the pressure test is completed, the water in the pressure detection tube is directly discharged, resulting in a waste of water resources. Utility Model Content

[0005] The purpose of the present application is to provide a fire hydrant detection device and a fire hydrant assembly to solve the problem of poor accuracy of detection data.

[0006] The technical solution adopted by this application to solve its technical problem is:

[0007] In a first aspect, a fire hydrant detection device is provided, comprising a connecting pipe and a detection tube with both ends closed, wherein a pressure gauge is provided on the detection tube, one end of the connecting pipe is connected to the detection tube, and the inner surface of the other end of the connecting pipe is sealedly connected with a first sealing ring extending outward, and the first sealing ring is provided with at least two buckles evenly distributed along its circumference at one end away from the connecting pipe, and the outer surface of the other end of the connecting pipe is threadedly sealed with a third sealing ring extending outward, and the inner surface of the third sealing ring is provided with an internal thread.

[0008] Furthermore, the inner surface of the first sealing ring at one end away from the connecting pipe is sealedly connected to a second sealing ring extending outward, and the outer surface of the second sealing ring is connected to the buckle.

[0009] Furthermore, the buckle includes a connecting portion connected to the second sealing ring and a buckle portion connected to the connecting portion.

[0010] Furthermore, both ends of the detection tube are closed by connecting plates.

[0011] Furthermore, the buckles include four.

[0012] Furthermore, a data collector is provided on the detection tube, and the data collector is connected to the pressure gauge.

[0013] Furthermore, it also includes a water storage tank arranged below the detection tube, the top of the water storage tank is connected to the bottom of the detection tube through a water pipe, and the water pipe is provided with a first valve.

[0014] Furthermore, the water storage tank is connected to the detection tube via a support frame.

[0015] In a second aspect, a fire hydrant assembly is provided, comprising the fire hydrant detection device and a fire hydrant provided in the first aspect, wherein a water outlet is arranged on the fire hydrant; an outer surface of the water outlet is provided with an external thread for sealingly connecting with the internal thread of the third sealing ring, and an inner surface of the water outlet is used for sealingly cooperating with the outer surface of the first sealing ring; an inner surface of the water outlet is provided with a slide groove extending along its axial direction and used for sliding cooperation with the buckle, and an inner end of the slide groove is connected with a groove extending along the circumference of the water outlet and used for snap-fitting cooperation with the buckle.

[0016] Furthermore, the fire hydrant is provided with at least two water outlets, and the water outlets are connected with sealing covers.

[0017] Beneficial effects of this application:

[0018] The fire hydrant detection device provided in the embodiment of the present application is used to be installed at the water outlet of a fire hydrant to perform pressure detection on the fire hydrant; when the connecting pipe of the fire hydrant detection device is connected to the water outlet of the fire hydrant, the cooperation of the buckle and the slot can prevent the connecting pipe and the water outlet from axial displacement, and the outer surface of the first sealing ring is sealed with the inner surface of the water outlet to achieve a primary seal, and the third sealing ring can be used to connect the connecting pipe and the water outlet together to achieve a secondary seal, thereby improving the firmness and sealing of the connection between the connecting pipe and the water outlet, preventing water in the fire hydrant from overflowing at the connecting position between the connecting pipe and the water outlet, and ensuring the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 is a structural schematic diagram of a fire hydrant detection device provided in an embodiment of the present application;

[0021] Figure 2It is a structural schematic diagram of the connection between the connecting tube and the detection tube;

[0022] Figure 3 It is a schematic diagram of the structure of a fire hydrant;

[0023] Figure 4 yes Figure 3 A magnified view of part A in FIG.

[0024] Figure 5 It is a schematic diagram of the structure of a fire hydrant assembly provided in an embodiment of the present application.

[0025] Reference numerals:

[0026] 10-connecting pipe;

[0027] 11- detection tube;

[0028] 12-pressure gauge;

[0029] 13- first sealing ring;

[0030] 14- Buckle;

[0031] 141-connecting part;

[0032] 142- buckle portion;

[0033] 15- third sealing ring;

[0034] 16- second sealing ring;

[0035] 17-connection plate;

[0036] 18-Data collector;

[0037] 19- Water storage tank;

[0038] 20- water pipe;

[0039] 21- first valve;

[0040] 22-support frame;

[0041] 30-Fire hydrant;

[0042] 31-water outlet;

[0043] 32-chute;

[0044] 33-card slot;

[0045] 34-Sealing cover. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0047] It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0048] In the description of the embodiments of the present application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or is the orientation or positional relationship in which the product of the application is usually placed when in use, or is the orientation or positional relationship commonly understood by those skilled in the art. The terms "disposed", "opened", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, and an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements.

[0049] See also Figure 5 A fire hydrant assembly provided in an embodiment of the present application includes a fire hydrant detection device and a fire hydrant 30 , wherein the fire hydrant detection device is used to be installed at a water outlet 31 of the fire hydrant 30 to perform pressure detection on the fire hydrant 30 .

[0050] See also Figure 1 , Figure 2 The fire hydrant detection device provided in the embodiment of the present application comprises a connecting pipe 10 and a detection pipe 11 with both ends closed, a pressure gauge 12 is arranged on the detection pipe 11, one end of the connecting pipe 10 is connected with the detection pipe 11, the inner surface of the other end of the connecting pipe 10 is sealed with a first sealing ring 13 extending outward, the first sealing ring 13 is far away from the end of the connecting pipe 10 and is evenly arranged with at least two buckles 14 along its circumference, and the outer surface of the other end of the connecting pipe 10 is threadedly sealed with a third sealing ring 15 extending outward. Among them, the outer surface of the other end of the connecting pipe 10 is provided with an external thread, and the inner surface of the third sealing ring 15 is provided with an internal thread.

[0051] See also Figure 3 , Figure 4 The fire hydrant 30 provided in the embodiment of the present application includes a water outlet 31; the outer surface of the water outlet 31 is provided with an outer thread for sealing connection with the inner thread of the third sealing ring 15, and the inner surface of the water outlet 31 is used to seal with the outer surface of the first sealing ring 13; the inner surface of the water outlet 31 is provided with a slide groove 32 extending along its axial direction and used for sliding with the buckle 14, and the inner end of the slide groove 32 is connected with a card groove 33 extending along the circumference of the water outlet 31 and used for card engagement with the buckle 14. Exemplarily, at least two water outlets 31 are provided on the fire hydrant 30, and a sealing cover 34 is connected to the water outlet 31.

[0052] When the fire hydrant 30 is subjected to pressure testing, the testing process is as follows:

[0053] First, remove the sealing cover 34 on one of the water outlets 31, align the buckle 14 on the connecting pipe 10 with the slide groove 32 in the water outlet 31, insert the first sealing ring 13 on the connecting pipe 10 inward into the water outlet 31, and the buckle 14 slides in the slide groove 32. When the buckle 14 slides to the end of the slide groove 32, rotate the connecting pipe 10, the connecting pipe 10 drives the buckle 14 to rotate, and the buckle 14 is engaged in the clamping groove 33, so as to realize the primary connection between the connecting pipe 10 and the water outlet 31; secondly, rotate the third sealing ring 15, move the third sealing ring 15 toward the water outlet 31, and seal it with the thread of the water outlet 31, so as to realize the secondary connection between the connecting pipe 10 and the water outlet 31; thirdly, open the water valve on the fire hydrant 30, so that the water in the fire hydrant 30 enters the detection tube 11 through the connecting pipe 10, and the pressure in the detection tube 11 can be obtained through the pressure gauge 12. When the pressure detection is completed, the water valve on the fire hydrant 30 is closed, the fire hydrant detection device is removed, and the sealing cover 34 is installed on the water outlet 31.

[0054] The fire hydrant detection device provided in the embodiment of the present application is used to be installed at the water outlet 31 of the fire hydrant 30 to perform pressure detection on the fire hydrant 30; when the connecting pipe 10 of the fire hydrant detection device is connected to the water outlet 31 of the fire hydrant 30, the buckle 14 cooperates with the slot 33 to prevent the connecting pipe 10 and the water outlet 31 from axial displacement, and the outer surface of the first sealing ring 13 is sealed with the inner surface of the water outlet 31 to achieve a primary seal, and the third sealing ring 15 can be used to connect the connecting pipe 10 and the water outlet 31 together and achieve a secondary seal, thereby improving the firmness and sealing of the connection between the connecting pipe 10 and the water outlet 31, preventing water in the fire hydrant from overflowing at the connection position between the connecting pipe 10 and the water outlet 31, and thus ensuring the accuracy of the detection data.

[0055] In some embodiments, see Figure 1 , Figure 2 The inner surface of the first sealing ring 13 at one end away from the connecting pipe 10 is sealedly connected with a second sealing ring 16 extending outward, and the outer surface of the second sealing ring 16 is connected to the buckle 14. Exemplarily, the buckle 14 includes four buckles evenly distributed around the circumference, each buckle 14 includes a connecting portion 141 connected to the second sealing ring 16 and a buckle portion 142 connected to the connecting portion 141, and the buckle portion 142 is used to engage with the slot 33. By providing the second sealing ring 16, the four buckles 14 are connected together to avoid deformation of the buckles 14, thereby improving the strength and rigidity of the buckles 14, thereby improving the firmness and reliability of the engagement between the buckle 14 and the slot 33.

[0056] In some embodiments, see Figure 1 , Figure 2 , both ends of the detection tube 11 are closed by connecting plates 17. The connecting plates 17 can be connected to the detection tube 11 by welding or a detachable structure. Exemplarily, the connecting plates 17 are sealed and connected to the ends of the detection tube 11 by a threaded structure. One end of the connecting tube 10 is fixedly connected to one of the connecting plates 17, and a connecting hole for connecting the connecting tube 10 with the detection tube 11 is provided on the connecting plate 17.

[0057] In some embodiments, see Figure 1 The detection tube 11 is provided with a data collector 18, which is connected to the pressure gauge 12. The data collector 18 is provided to collect the pressure data detected by the pressure gauge 12, and upload the collected data to the background system for unified management.

[0058] In some embodiments, see Figure 1 , and also includes a water tank 19 arranged below the detection tube 11. The top of the water tank 19 is connected to the bottom of the detection tube 11 through a water pipe 20, and a first valve 21 is arranged on the water pipe 20. After the pressure detection is completed, the first valve 21 can be opened to allow the water in the detection tube 11 to flow through the water pipe 20 to the water tank 19 for storage, thereby avoiding wasting water resources. Among them, a drain port is arranged at the bottom of the water tank 19, and a valve or a drain cover is connected to the drain port. When the water in the water tank 19 needs to be drained, the water in the water tank 19 can be drained through the drain port by simply opening the valve or the drain cover, which is convenient for use.

[0059] The fire hydrant detection device provided in the embodiment of the present application, by providing a water tank 19, can discharge the water in the detection tube 11 into the water tank 19 for temporary storage after the pressure detection is completed, thereby avoiding the waste of water resources caused by directly discharging the water in the detection tube 11.

[0060] The water pipe 20 is not only used to transport the water in the detection tube 11 to the water tank 19, but also serves as a connector to connect the water tank 19 to the detection tube 11. In order to improve the reliability of the connection between the water tank 19 and the detection tube 11 and prevent the water tank 19 from falling, in some embodiments, the water tank 19 is connected to the detection tube 11 through a support frame 22.

[0061] The above is only a preferred embodiment of the present application and does not constitute any form of limitation to the present application. Based on the technical essence of the present application and within the spirit and principles of the present application, any simple modification, equivalent replacement and improvement of the above embodiments shall still fall within the protection scope of the technical solution of the present application.

Claims

1. A fire hydrant detection device, characterized in that: The invention comprises a connecting tube (10) and a detection tube (11) with both ends closed, wherein a pressure gauge (12) is arranged on the detection tube (11), one end of the connecting tube (10) is connected to the detection tube (11), the inner surface of the other end of the connecting tube (10) is sealedly connected to a first sealing ring (13) extending outwards, the first sealing ring (13) is provided with at least two buckles (14) evenly distributed along the circumference of the end away from the connecting tube (10), the outer surface of the other end of the connecting tube (10) is threadedly sealed to a third sealing ring (15) extending outwards, and the inner surface of the third sealing ring (15) is provided with an internal thread.

2. The fire hydrant detection device according to claim 1, characterized in that: The inner surface of the first sealing ring (13) at one end away from the connecting pipe (10) is sealedly connected to a second sealing ring (16) extending outward, and the outer surface of the second sealing ring (16) is connected to the buckle (14).

3. The fire hydrant detection device according to claim 2, characterized in that: The buckle (14) comprises a connecting portion (141) connected to the second sealing ring (16) and a buckle portion (142) connected to the connecting portion (141).

4. The fire hydrant detection device according to claim 1, characterized in that: Both ends of the detection tube (11) are closed by connecting plates (17).

5. The fire hydrant detection device according to claim 1, characterized in that: The buckles (14) include four.

6. The fire hydrant detection device according to claim 1, characterized in that: The detection tube (11) is provided with a data collector (18), and the data collector (18) is connected to the pressure gauge (12).

7. The fire hydrant detection device according to claim 1, characterized in that: It also includes a water storage tank (19) arranged below the detection tube (11), the top of the water storage tank (19) is connected to the bottom of the detection tube (11) through a water delivery pipe (20), and a first valve (21) is arranged on the water delivery pipe (20).

8. The fire hydrant detection device according to claim 7, characterized in that: The water storage tank (19) is connected to the detection tube (11) via a support frame (22).

9. A fire hydrant assembly, characterized in that: A fire hydrant detection device and a fire hydrant (30) according to any one of claims 1 to 8, wherein the fire hydrant (30) is provided with a water outlet (31); The outer surface of the water outlet (31) is provided with an external thread for sealingly connecting with the internal thread of the third sealing ring (15), and the inner surface of the water outlet (31) is used for sealingly cooperating with the outer surface of the first sealing ring (13); The inner surface of the water outlet (31) is provided with a slide groove (32) extending along its axial direction and used for sliding cooperation with the buckle (14); the inner end of the slide groove (32) is connected to a clamping groove (33) extending along the circumference of the water outlet (31) and used for clamping cooperation with the buckle (14).

10. The fire hydrant assembly according to claim 9, characterized in that: The fire hydrant (30) is provided with at least two water outlets (31), and the water outlets (31) are connected with sealing covers (34).