CN118121887A - Flow-speed-adjustable fire hydrant and flow speed adjusting method thereof - Google Patents
Flow-speed-adjustable fire hydrant and flow speed adjusting method thereof Download PDFInfo
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- CN118121887A CN118121887A CN202410534797.7A CN202410534797A CN118121887A CN 118121887 A CN118121887 A CN 118121887A CN 202410534797 A CN202410534797 A CN 202410534797A CN 118121887 A CN118121887 A CN 118121887A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The invention relates to an adjustable flow rate fire hydrant and a flow rate adjusting method thereof, which belong to the technical field of fire fighting equipment and comprise a hydrant body device, a plurality of water outlet cover plates and a water outlet control system, wherein the water outlet control system comprises a closed valve plate, a flow rate control plate, a pressure relieving device and a flow rate selection rod group, the flow rate selection rod group comprises a flow rate selection control rod and a control plate control rod, the flow rate control plate is arranged at the bottom of the control plate control rod, the flow rate selection control rod and the control plate control rod are mutually axially slid and circumferentially fixed, the pressure relieving device is arranged at the juncture position of the flow rate selection control rod and the control plate control rod, the pressure relieving device is in transmission connection with each water outlet cover plate so as to change the distance between the flow rate selection control rod and the control plate control rod, the closed valve plate and the flow rate control plate are different in rotation angle, and the overlapping area are different, a sealing step is arranged on the hydrant body device, and the closed valve plate slides along the hydrant body device so as to press the sealing step, and the water outlet is convenient and fast.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a flow-rate-adjustable fire hydrant and a flow rate adjusting method thereof.
Background
The fire hydrant, formally called fire hydrant, is a fixed fire-fighting equipment and has the main functions of controlling combustible materials, isolating combustion-supporting materials and eliminating ignition sources. The indoor fire hydrant and the outdoor fire hydrant are separated. The fire hydrant is mainly used for a fire engine to take water from a municipal water supply pipe network or an outdoor fire water supply pipe network to extinguish fire, and can be directly connected with a water hose and a water gun to extinguish fire. Therefore, the indoor and outdoor hydrant system is also one of important fire fighting facilities for extinguishing fire. When the existing fire hydrant needs to be opened, a plurality of circles of flanges are required to be rotated, water is inconvenient to discharge, and the flanges cannot be rotated necessarily due to slight rust existing in the mechanism.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the flow-rate-adjustable fire hydrant and the flow-rate adjusting method thereof, and water is discharged conveniently and rapidly.
The technical scheme adopted by the invention is as follows:
The utility model provides an adjustable velocity of flow fire hydrant, includes the key body device, a plurality of play water apron and play water control system, play water control system includes sealing valve plate, velocity of flow control board, pressure relief device and velocity of flow select lever group, each play water apron is installed on the key body device, velocity of flow select lever group includes velocity of flow select control lever and control board control lever, the velocity of flow control board is installed in control board control lever bottom, axial slip and circumference are fixed each other between velocity of flow select control lever and the control board control lever, pressure relief device installs at velocity of flow select control lever and control board control lever juncture, pressure relief device is connected and then changes the distance between velocity of flow select control lever and the control board control lever with each play water apron transmission, sealing valve plate and velocity of flow control board can rotate along circumference and the coincidence area is different when rotation angle is different, be equipped with sealed step on the key body device, sealing valve plate slides along the key body device and presses sealed step.
Preferably, each water outlet cover plate is arranged on the bolt body device through a screw thread pair.
Preferably, the bolt device comprises an upper bolt body, a connecting seat and a base which are communicated in sequence, and the sealing step is arranged on the connecting seat.
Preferably, the pressure release device comprises a plurality of pressure control rods, a plurality of pressure control blocks and a control block guide cylinder, each pressure control block slides along the control guide cylinder, the periphery of each pressure control block is thinner, each pressure control rod slides along the control block guide cylinder and stretches into the control block guide cylinder, each pressure control rod is embedded between two corresponding pressure control blocks, the flow rate selection control rod presses the uppermost pressure control block, the lowermost pressure control block presses the top of the control plate control rod, and each pressure control rod presses the corresponding water outlet cover plate.
Preferably, the flow rate selection control rod and the control plate control rod are in transmission connection through a spline.
Preferably, the valve plate sliding block is arranged on the closed valve plate, the valve plate sliding groove is arranged on the bolt body device, and the valve plate sliding block slides along the valve plate sliding groove.
Preferably, the plug device further comprises a drain valve.
The flow rate adjusting method comprises the following steps:
s1: opening the water outlet cover plate, and enabling the pressure relief device to act so as to shorten the distance between the flow rate selection control rod and the control rod of the control plate and gradually reduce the pressure between the closed valve plate and the sealing step;
S2: the flow rate selection control rod is rotated to adjust and control the superposition area between the closed valve plate and the flow rate control plate, so that the flow rate is changed.
The beneficial effects of the invention are as follows:
The invention relates to a water outlet control system, which comprises a closed valve plate, a flow rate control plate, a pressure relieving device and a flow rate selecting rod group, wherein the water outlet flow rate is regulated by rotating the mutual angle between the closed valve plate and the flow rate control plate, each water outlet cover plate is arranged on a bolt body device, the flow rate selecting rod group comprises a flow rate selecting control rod and a control plate control rod, the flow rate control plate is arranged at the bottom of the control plate control rod, the flow rate selecting control rod and the control plate control rod mutually slide along the axial direction to be circumferentially fixed, the pressure relieving device is arranged at the juncture of the flow rate selecting control rod and the control plate control rod, the pressure relieving device is in transmission connection with each water outlet cover plate to further change the distance between the flow rate selecting control rod and the control plate control rod, the closed valve plate and the flow rate control plate can rotate along the circumferential direction, the overlapping area is different, the flow rate is controlled by rotating the flow rate selecting control rod, the sealing step is arranged on the bolt body device, the closed valve plate slides along the bolt body device to further press the sealing step, after one water outlet cover plate is removed, the pressure relieving device acts to further reduce the distance between the flow rate selecting control rod and the control plate and the control rod, the closed valve plate is gradually reduced to the pressure between the sealing step and the sealing step, and the closed valve plate is convenient to change the overlapping area between the sealing step and the closed valve plate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the pressure relief device.
FIG. 3 is a schematic diagram of the relationship between the closure valve plate and the flow rate control plate.
Reference numerals illustrate:
1. A plug body device; 11. an upper bolt body; 12. a connecting seat; 13. a base;
2. A water outlet cover plate;
3. a water outlet control system; 31. closing the valve plate; 311. a valve plate slide block; 312. sealing the rubber pad; 32. a flow rate control board; 321. a water passing hole; 33. a pressure release device; 34. a flow rate selection lever group; 341. a flow rate selection control lever; 342. a control board control lever; 331. a pressure control lever; 332. a pressure control block; 333. a control block guide cylinder;
4. and (3) a drainage valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, this embodiment provides an adjustable flow rate hydrant, including a hydrant body device 1, a plurality of water outlet cover plates 2 and a water outlet control system 3, the water outlet control system 3 includes a closed valve plate 31, a flow rate control plate 32, a pressure relieving device 33 and a flow rate selecting rod set 34, the invention adjusts the water outlet flow rate by rotating the mutual angle between the closed valve plate 31 and the flow rate control plate 32, each water outlet cover plate 2 is installed on the hydrant body device 1, the flow rate selecting rod set 34 includes a flow rate selecting control rod 341 and a control plate control rod 342, the flow rate control plate 32 is installed at the bottom of the control plate control rod 342, the flow rate selecting control rod 341 and the control plate control rod 342 slide along the axial direction to fix the circumference, the pressure relieving device 33 is installed at the junction position of the flow rate selecting control rod 341 and the control plate 342, the pressure relieving device 33 is connected with each water outlet cover plate 2 in a transmission way to change the distance between the flow rate selecting control rod 341 and the control plate 342, the closed valve plate 31 and the flow rate control plate 32 can rotate along the circumferential direction and the rotation angle is not coincident with the same area, the step body device 1 is controlled by rotating the flow rate selecting control rod 341, the step body device 341 is provided with the step body device 341 to control plate 342, the step device 1 is then the step device is arranged to slide along the sealing valve plate 31 and the sealing plate 31 is opened, the pressure is reduced, the pressure between the closed valve plate 31 and the pressure plate 31 is reduced, and the pressure between the sealing plate 31 and the sealing plate 31 is opened.
Specifically, each water outlet cover plate 2 is mounted on the bolt body device 1 through a screw pair, so that the water outlet cover plates 2 are connected with the bolt body device 1 more firmly.
Specifically, the bolt body device 1 comprises an upper bolt body 11, a connecting seat 12 and a base 13 which are sequentially communicated, a sealing step is arranged on the connecting seat 12, and a pressure relieving device 33 which is convenient to install is arranged in a segmented mode.
Specifically, the pressure releasing device 33 includes a plurality of pressure control rods 331, a plurality of pressure control blocks 332 and a control block guide cylinder 333, each pressure control block 332 slides along the control guide cylinder, the periphery of each pressure control block 332 is thinner, each pressure control rod 331 slides along the control block guide cylinder 333 and extends into the control block guide cylinder 333, each pressure control rod 331 slides along the axial direction of the control block guide cylinder 333, and further, the change of the interval between the flow rate selection control rod 341 and the control plate control rod 342 is adapted, in order to prevent the pressure control rod 331 from dropping, the length of the pressure control rod 331 is larger than the interval between the water outlet cover plate 2 and the surface of the control block guide cylinder 333 when the water outlet cover plate 2 is mounted with the plug device 1, and anti-dropping ropes (not shown in the figure) are arranged between the pressure control rod 331 and the outer side walls of the control block guide cylinder 333, each pressure control rod 331 is embedded between the corresponding two pressure control rods 332, the flow rate selection control rod 341 presses the uppermost pressure control block 332, the lowermost pressure control block 332 presses the top of the control plate control rod 342, each pressure control rod 331 presses the corresponding water outlet cover plate 2, after the water outlet cover plate 2 is removed, the pressure control rods 331 are drawn out from between the corresponding two pressure control blocks 332, and the distance between the flow rate selection control rods 341 and the control plate control rods 342 becomes smaller, so that the pressure between the sealing valve plate 31 and the sealing step is gradually reduced, then the flow rate selection control rod 341 is rotated, the overlapping area between the sealing valve plate 31 and the flow rate control plate 32 is changed, and the flow rate is conveniently controlled, because the pressure is gradually reduced to approach zero, the pressure control is convenient and quick, the resistance of the rotation of the flow rate selection control rod 341 is greatly reduced, in particular, a plurality of water passing holes 321 are respectively arranged on the sealing valve plate 31 and the flow rate control plate 32, and the water passing holes 321 on the closing valve plate 31 and the flow rate control plate 32 may be completely overlapped when the closing valve plate 31 and the flow rate control plate 32 are rotated with each other.
Specifically, the flow rate selection lever 341 and the control plate lever 342 are connected by spline transmission, so that transmission can be performed when the distance between the flow rate selection lever 341 and the control plate lever 342 is changed.
Specifically, the valve plate slide block 311 is disposed on the sealing valve plate 31, the valve plate slide groove is disposed on the plug device 1, the valve plate slide block 311 slides along the valve plate slide groove, so that the valve plate slide block 311 cannot rotate, the overlapping area between the sealing valve plate 31 and the flow velocity control plate 32 can be changed when the pressure control rod 331 rotates, when the sealing valve plate 31 and the water passing holes 321 on the flow velocity control plate 32 are completely overlapped, the flow velocity is maximum, the flow velocity gradually decreases along with the increasing flow velocity of the rotating angle, each pressure control rod 331 can also play a role of limiting the rotating angle of the flow velocity selection control rod 341 to a certain extent, the rotating angle of the flow velocity selection control rod 341 is avoided, the flow velocity negligence is caused, the sealing rubber gasket 312 is disposed at the bottom of the sealing valve plate 31, the pressure between the sealing rubber gasket 312 gradually decreases and the sealing step in the process of the rising of the control plate control rod 342 due to the elasticity of the sealing rubber gasket 312, the control of the water flow is not passed through, and the control of the water flow is dependent on the rotation of the control plate control rod 342.
Specifically, the plug body device 1 further comprises a drain valve 4, so that water in the plug body device 1 can be conveniently discharged after fire extinguishment is finished, the plug body device 1 is prevented from being frozen and cracked, and the drain valve 4 is a commercially available drain valve 4 and is not described herein.
The flow rate adjusting method comprises the following steps:
S1: opening the water outlet cover plate 2, the pressure relief device 33 acts to shorten the interval between the flow rate selection lever 341 and the control plate lever 342, so that the pressure between the closing valve plate 31 and the sealing step gradually decreases;
s2: the flow rate selection control lever 341 is rotated to adjust and control the overlapping area between the closing valve plate 31 and the flow rate control plate 32, thereby changing the flow rate.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an adjustable velocity of flow fire hydrant, its characterized in that includes bolt body device, a plurality of play water apron and play water control system, play water control system includes sealed valve plate, velocity of flow control board, pressure relief device and velocity of flow selection pole group, each play water apron is installed on the bolt body device, velocity of flow selection pole group includes velocity of flow selection control pole and control board control pole, the velocity of flow control board is installed in control board control pole bottom, flow selection control pole and control board control pole are mutually along axial slip and circumference fixed, pressure relief device installs in velocity of flow selection control pole and control board control pole juncture, pressure relief device and each play water apron transmission connection and then change velocity of flow selection control pole and control board control pole distance between, sealed valve plate and velocity of flow control board can be followed circumference rotation and the overlapping area is different when rotation angle is different, be equipped with the seal step on the bolt body device, seal valve plate slides along the bolt body device and then pushes down the seal step, pressure relief device includes a plurality of pressure control poles, a plurality of pressure control blocks and control block guide drums, each pressure control block slides along control guide cylinder, each pressure control block is thinner along the control pole the circumference, each pressure control block pushes down corresponding to the pressure control board down the top of control board, each control board is pushed down by the pressure guide bar.
2. A flow rate adjustable fire hydrant according to claim 1 in which each said water outlet cover is mounted to the hydrant body means by a screw thread pair.
3. The adjustable flow rate hydrant according to claim 1, wherein the hydrant body means comprises an upper hydrant body, a connection seat and a base which are sequentially communicated, and the sealing step is provided on the connection seat.
4. The adjustable flow rate hydrant according to claim 1, wherein the flow rate selection lever and the control plate lever are in splined drive connection.
5. The adjustable flow rate hydrant according to claim 1, wherein the closed valve plate is provided with a valve plate slide block, the hydrant body is provided with a valve plate slide groove, and the valve plate slide block slides along the valve plate slide groove.
6. An adjustable flow rate hydrant according to claim 1 in which the hydrant body means comprises a drain valve.
7. A method for adjusting flow rate using the adjustable flow rate hydrant according to claim 1, comprising the steps of:
s1: opening the water outlet cover plate, and enabling the pressure relief device to act so as to shorten the distance between the flow rate selection control rod and the control rod of the control plate and gradually reduce the pressure between the closed valve plate and the sealing step;
S2: the flow rate selection control rod is rotated to adjust and control the superposition area between the closed valve plate and the flow rate control plate, so that the flow rate is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410534797.7A CN118121887B (en) | 2024-04-30 | Flow-speed-adjustable fire hydrant and flow speed adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410534797.7A CN118121887B (en) | 2024-04-30 | Flow-speed-adjustable fire hydrant and flow speed adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118121887A true CN118121887A (en) | 2024-06-04 |
| CN118121887B CN118121887B (en) | 2024-07-12 |
Family
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007000438A (en) * | 2005-06-24 | 2007-01-11 | Yokoi Seisakusho:Kk | Rotating elbow of constant flow rate |
| CN102138034A (en) * | 2008-08-29 | 2011-07-27 | 李根相 | Iris-shaped variable valve |
| CN103055461A (en) * | 2013-01-15 | 2013-04-24 | 潍坊裕川机械有限公司 | Low-torque linkage double-open fire hydrant |
| CN109568863A (en) * | 2018-12-03 | 2019-04-05 | 新疆全天候消防科技有限公司 | A kind of fire hydrant automatically controlled according to external environment |
| CN210186310U (en) * | 2019-05-08 | 2020-03-27 | 安耐特消防装备有限公司 | Intelligent fire hydrant capable of accurately calculating flow |
| CN215609003U (en) * | 2021-03-03 | 2022-01-25 | 济俊消防科技有限公司 | Indoor fire hydrant that bolt body rotation type can save oneself |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007000438A (en) * | 2005-06-24 | 2007-01-11 | Yokoi Seisakusho:Kk | Rotating elbow of constant flow rate |
| CN102138034A (en) * | 2008-08-29 | 2011-07-27 | 李根相 | Iris-shaped variable valve |
| CN103055461A (en) * | 2013-01-15 | 2013-04-24 | 潍坊裕川机械有限公司 | Low-torque linkage double-open fire hydrant |
| CN109568863A (en) * | 2018-12-03 | 2019-04-05 | 新疆全天候消防科技有限公司 | A kind of fire hydrant automatically controlled according to external environment |
| CN210186310U (en) * | 2019-05-08 | 2020-03-27 | 安耐特消防装备有限公司 | Intelligent fire hydrant capable of accurately calculating flow |
| CN215609003U (en) * | 2021-03-03 | 2022-01-25 | 济俊消防科技有限公司 | Indoor fire hydrant that bolt body rotation type can save oneself |
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