CN210218695U

CN210218695U - Fire hydrant plugging device

Info

Publication number: CN210218695U
Application number: CN201920709384.2U
Authority: CN
Inventors: Xuegu Wang; 王学谷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-31
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to a fire hydrant plugging device, which comprises a housin, the depression bar, the water locking disc, the water sealing disc, float chamber and reset spring, reset spring bottom fixed mounting is in the casing, the upper end supports with the chamber of floating and is connected, the water sealing disc sets up in the top of floating the chamber, water locking disc fixed mounting is inside and is located the top of water sealing disc at the casing, it is sealed between water locking disc and the casing, the water sealing disc can follow the direction of height motion inside the casing and can support the press fit with the water locking disc and form the water route shutoff, the depression bar lower extreme is connected with the water sealing disc and can beat the water route shutoff that forms between water locking disc and the water locking disc through the push-down motion. The utility model discloses can effectively avoid damaging or changing the problem of leaking that leads to because of the fire hydrant, easy and simple to handle during the use, the operation is reliable.

Description

Fire hydrant plugging device

Technical Field

The utility model belongs to the technical field of the fire hydrant, especially, relate to a fire hydrant plugging device.

Background

The existing fire hydrant adopts a mode of forcibly pressing down the plug by external force to stop the leakage of water flow in the fire hydrant, and structural components of the traditional external force pressing down the plug are generally positioned outside the fire hydrant and in a shell. When using in public place, current this kind of fire hydrant often can lead to pushing down block structure of fire hydrant to suffer destruction because of accident such as collision, causes the fire hydrant water column to rush out, has both wasted the water resource, still can cause other accidents such as water break, outage, flooding, traffic jam simultaneously. Moreover, the water leakage problem is inevitably faced when the water hydrant is replaced.

Disclosure of Invention

The utility model aims to solve the technical problem that a fire hydrant plugging device is provided, the problem of leaking that leads to because of fire hydrant damages or changes is effectively avoided.

The utility model provides a technical scheme that its technical problem adopted provides a fire hydrant plugging device, including casing, depression bar, lock water tray, water sealing tray, floating chamber and reset spring, reset spring bottom fixed mounting is in the casing, the upper end supports with floating chamber and is connected, the water sealing tray sets up in the top of floating chamber, lock water tray fixed mounting is in the inside top that just is located the water sealing tray of casing, it is sealed between water sealing tray and the casing, the water sealing tray can follow the direction of height motion and can support the press fit with the lock water tray and form the water route shutoff inside the casing, the depression bar lower extreme is connected with the water sealing tray and can beat the water route shutoff that forms between water sealing tray and the water sealing tray through the push down motion.

The spring mounting bracket with the water flow channel is fixedly mounted inside the shell, and the bottom of the return spring is fixedly mounted on the spring mounting bracket.

The floating chamber is provided with a guide assembly structure along the height direction between the floating chamber and the inner wall of the shell, and the floating chamber can be movably arranged on the inner wall of the shell along the height direction through the guide assembly structure.

The buoyancy chamber is hollow column structure, a plurality of guide ways have been seted up along circumference interval to the buoyancy chamber, shells inner wall corresponds the guide way and is equipped with a plurality of protruding guide strips, shells inner wall's protruding guide strip nestification respectively in the guide way of buoyancy chamber circumference.

The top of the pressure lever is driven to press down by a screw pair mechanism.

The top of casing is connected with the fire hydrant, the screw pair mechanism sets up in the fire hydrant.

The mounting position that the inner wall of casing corresponds the water locking dish opens there is the sealing washer draw-in groove, be equipped with the sealing washer in the sealing washer draw-in groove and seal the assembly between water locking dish and the casing.

The water sealing disc is integrally disc-shaped, the central section of the water sealing disc is in a shape like a Chinese character 'tu', a groove is formed in the upper portion of the water sealing disc along the circumferential direction, a water sealing ring is arranged in the groove, and the water sealing ring can be abutted against the water locking disc to seal the water path to form a seal.

The water locking disc is provided with a water flow channel, a guide hole is formed in the water locking disc along the direction of the central shaft, and the pressing rod penetrates through the guide hole.

And the upper end and the lower end of the shell are respectively provided with a connecting flange.

Advantageous effects

The utility model discloses in, the water route of sealing to casing inside carries out the shutoff under the buoyancy effect of buoyancy effect and the support tension effect of spring of room under the water locking dish under the normality, and the fire hydrant is installed the utility model discloses a thereby the top promotes through operation down pressure feed depression bar and seals the water route of opening of water disk downstream during the water consumption, easy operation, the operation is reliable. Through the utility model discloses can realize the separation of leaking stoppage structure and fire hydrant to can effectively avoid damaging or changing the problem of leaking that produces because of the fire hydrant.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic sectional structure of the housing.

Fig. 3 is a schematic sectional view of the buoyancy chamber.

Fig. 4 is a bottom view of the floating chamber.

Fig. 5 is a schematic sectional structure view of the water locking plate.

Fig. 6 is a schematic bottom view of the water locking plate.

Fig. 7 is a schematic diagram of a half-section structure of the water sealing plate.

Fig. 8 is a schematic sectional view of the water-sealing gasket.

Fig. 9 is a bottom view of the spring mounting bracket.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The fire hydrant leakage stoppage device shown in fig. 1 comprises a shell 1, a pressure rod 2, a water locking disc 3, a water sealing disc 4, a floating chamber 5 and a return spring 6.

The structure of the shell 1 is shown in fig. 2, and the upper end and the lower end of the shell are respectively provided with a connecting flange 1-3. The shell 1 is made of cast steel, has high strength, is not easy to be damaged along with the breakage of the fire hydrant connected with the upper part, and is beneficial to protecting the internal water sealing part.

A spring mounting bracket 7 with a water flow passage is fixedly mounted inside the casing 1 near the bottom, the spring mounting bracket 7 is integrally disc-shaped, and as shown in fig. 9, the bottom of the return spring 6 is fixedly mounted on the spring mounting bracket 7.

The upper end of the return spring 6 is in supporting connection with the floating chamber 5. As shown in fig. 3 and 4, the buoyancy chamber 5 is a hollow column structure, four guide grooves 5-1 are uniformly arranged at intervals along the circumferential direction of the buoyancy chamber 5, and four raised guide strips 1-1 are uniformly arranged at intervals on the inner wall of the shell 1 corresponding to the guide grooves 5-1. The floating chamber 5 is arranged in the shell 1, and the raised guide strips 1-1 on the inner wall of the shell 1 are respectively nested in the guide grooves 5-1 on the circumference of the floating chamber 5 to play a role in guiding lifting and limiting rotation, so that the floating chamber 5 can move up and down along the height direction of the shell 1.

The water sealing plate 4 is arranged on the top of the floating chamber 5. As shown in fig. 7, the water seal tray 4 is disk-shaped as a whole, and has a central cross section in a shape of a "convex". The upper part of the water sealing disc 4 is circumferentially provided with a groove 4-1, a water sealing ring 9 is arranged in the groove 4-1, and the water sealing ring 9 can be abutted against the water locking disc 3 to seal and block the water path. The cross-sectional structure of the water sealing seal ring 9 is as shown in fig. 8, an inward bulge is formed on the inner ring of the water sealing seal ring 9, and the water sealing seal ring can be matched with the groove 4-1 of the water sealing disc 4 and sleeved on the upper part of the water sealing disc 4.

The water locking disc 3 is fixedly arranged in the shell 1 and is positioned above the water sealing disc 4. The inner wall of the shell 1 is provided with a sealing ring clamping groove 1-2 corresponding to the installation position of the water locking disc 3, a sealing ring 8 is arranged in the sealing ring clamping groove 1-2, and the water locking disc 3 and the shell 1 are sealed through the sealing ring 8. As shown in fig. 5 and 6, the water locking plate 3 is integrally disc-shaped and provided with a water flow passage, and the water locking plate 3 is provided with a guide hole 3-1 along the central axis direction. When water seal disc 4 along the inside direction of height motion of casing 1 to sealing water sealing ring 9 and lock water disc 3 and support to press sealed, can carry out the shutoff to the inside water route of casing 1, avoid rivers upward running water.

The pressing rod 2 is arranged above the water sealing disc 4, threads are arranged at the lower end of the pressing rod 2, a blind hole with internal threads is formed in the center of the water sealing disc 4, and the lower end of the pressing rod 2 is connected with the water sealing disc 4 through a threaded structure. The pressure lever 2 penetrates through a guide hole 3-1 in the middle of the water locking disc 3, and the upper end of the pressure lever is provided with a pressure head for increasing the contact area.

When the fire hydrant plugging device is used, the fire hydrant plugging device is connected with a fire hydrant through the top connecting flange 1-3. The fire hydrant is provided with a screw pair mechanism, such as a screw rod, the screw pair mechanism is in transmission fit with the top of the pressure rod 2, the pressure rod 2 is pressed and conveyed downwards by operating the screw pair mechanism, so that the water sealing disc 4 is pushed to move downwards, a water channel formed between the water sealing disc 4 and the water locking disc 3 is plugged, and water supply to the fire hydrant is realized.

In the fire hydrant leakage blocking device, the water locking disc 3 and the water sealing disc 4 automatically form matching sealing under the buoyancy action of the buoyancy chamber 5 and the supporting tension action of the return spring 6 to block the water channel inside the shell 1, so that the separation of a leakage blocking structure and a fire hydrant is realized, and the water leakage problem caused by the damage or replacement of the fire hydrant can be effectively avoided. The fire hydrant is arranged above the shell 1, and when water is used, the water sealing disc 4 is pushed to move downwards by operating the screw pair mechanism to press the pressure rod 2 downwards so as to open the water channel, so that the operation is simple and the operation is reliable.

Claims

1. The utility model provides a fire hydrant plugging device which characterized in that: including casing (1), depression bar (2), lock water tray (3), water sealing disc (4), float chamber (5) and reset spring (6), reset spring (6) bottom fixed mounting is in casing (1), the upper end with float chamber (5) support and be connected, water sealing disc (4) set up in the top of floating chamber (5), water sealing disc (3) fixed mounting just is located the top of water sealing disc (4) in casing (1) inside, it is sealed between water sealing disc (3) and casing (1), water sealing disc (4) can be followed the direction of height motion and can support the press fit with water sealing disc (3) and form the water route shutoff in casing (1) inside, depression bar (2) lower extreme and water sealing disc (4) are connected and can beat the water route shutoff that forms between water sealing disc (4) and the water sealing disc (3) through the push-down motion.

2. The hydrant plugging device according to claim 1, wherein: a spring mounting bracket (7) with a water flow channel is fixedly mounted inside the shell (1), and the bottom of the return spring (6) is fixedly mounted on the spring mounting bracket (7).

3. The hydrant plugging device according to claim 1, wherein: the floating chamber is characterized in that a guide assembly structure is arranged between the floating chamber (5) and the inner wall of the shell (1) along the height direction, and the floating chamber (5) can be movably arranged on the inner wall of the shell (1) along the height direction through the guide assembly structure.

4. A hydrant plugging device according to claim 1 or 3, wherein: float room (5) and be hollow column structure, float room (5) and seted up a plurality of guide way (5-1) along circumference interval, casing (1) inner wall corresponds guide way (5-1) and is equipped with a plurality of protruding gib block (1-1), the protruding gib block (1-1) of casing (1) inner wall are nested respectively in the guide way (5-1) of floating room (5) circumference.

5. The hydrant plugging device according to claim 1, wherein: the top of the pressure lever (2) is driven to press down by a screw pair mechanism.

6. A hydrant plugging device according to claim 5, wherein: the top of casing (1) is connected with the fire hydrant, the screw pair mechanism sets up in the fire hydrant.

7. The hydrant plugging device according to claim 1, wherein: the mounting position of the inner wall of the shell (1) corresponding to the water locking disc (3) is provided with a sealing ring clamping groove (1-2), and a sealing ring (8) is arranged in the sealing ring clamping groove (1-2) to seal the assembly between the water locking disc (3) and the shell (1).

8. The hydrant plugging device according to claim 1, wherein: the water sealing disc (4) is integrally disc-shaped, the central section of the water sealing disc is in a shape like a Chinese character 'tu', a groove (4-1) is formed in the upper portion of the water sealing disc (4) along the circumferential direction, a water sealing ring (9) is arranged in the groove (4-1), and the water sealing ring (9) can be abutted against the water locking disc (3) to seal the water path to form a seal.

9. The hydrant plugging device according to claim 1, wherein: the water locking disc (3) is provided with a water flow channel, the water locking disc (3) is provided with a guide hole (3-1) along the direction of a central shaft, and the pressing rod (2) penetrates through the guide hole (3-1).

10. The hydrant plugging device according to claim 1, wherein: and the upper end and the lower end of the shell (1) are respectively provided with a connecting flange (1-3).