CN220301452U - Double-valve type fire hydrant - Google Patents
Double-valve type fire hydrant Download PDFInfo
- Publication number
- CN220301452U CN220301452U CN202321866735.3U CN202321866735U CN220301452U CN 220301452 U CN220301452 U CN 220301452U CN 202321866735 U CN202321866735 U CN 202321866735U CN 220301452 U CN220301452 U CN 220301452U
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- Prior art keywords
- valve
- fire hydrant
- adjusting cylinder
- screw thread
- fire
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 28
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 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
- 239000002699 waste material Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a double-valve type fire hydrant, which comprises a fire hydrant body, wherein a water outlet pipe is arranged at the upper part of the fire hydrant body, a first valve body structure for cutting off water flow is arranged in the fire hydrant body, a water inlet end of the fire hydrant body is connected with a buffer pipe fitting, a water inlet end of the buffer pipe fitting is connected with a second valve pipe, the second valve pipe is used for being connected with a fire pipe, a second valve body structure for cutting off water flow is arranged in the second valve pipe, and a driving structure for driving the second valve body structure to open or close is arranged in the fire hydrant body. When the fire hydrant is required to be opened, the driving structure is required to be downwards coupled with the second valve body structure, then the second valve body structure is opened, and the first valve body structure positioned in the fire hydrant body is opened to output fire fighting water. When the fire hydrant body is bumped, the fire hydrant body is displaced, and the buffer pipe fitting can deform to protect the integrity of the second valve pipe, so that water source of the fire fighting pipeline below is prevented from rushing out.
Description
Technical Field
The utility model relates to a double-valve type fire hydrant.
Background
Fire hydrants of the prior art are used to connect fire pipes in cities. When the fire hydrant is needed to be used, the valve is opened for use after the fire hydrant water outlet is connected with the fire hose. In daily life, as the number of automobiles increases, the automobiles are mistakenly bumped to cause the fire hydrant to be damaged, and a fire-fighting water source in a fire-fighting pipeline is flushed out. This situation not only prevents traffic from occurring, but also causes a great deal of water resource waste and monetary compensation problems. Therefore, there is a strong need for a dual valve hydrant that solves the problem of large amount of fire water gushes caused by the existing hydrant after being damaged.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a double-valve type fire hydrant.
According to this purpose design a double valve formula fire hydrant, including the fire hydrant body, the upper portion of fire hydrant body is equipped with the outlet pipe, this internal first valve body structure that is used for cutting off rivers that is equipped with of fire hydrant, the water inlet of fire hydrant body is connected with the buffering pipe fitting, the water inlet of buffering pipe fitting is connected with the second valve pipe, the second valve pipe is used for being connected with fire control pipeline, be equipped with the second valve body structure that is used for cutting off rivers in the second valve pipe, this internal driving structure that is used for driving the second valve body structure opens or closes that is equipped with of fire hydrant.
Preferably, the second valve body structure comprises a ring-shaped boss arranged in the buffer pipe fitting, a first valve plate attached to the upper end face of the ring-shaped boss is arranged above the ring-shaped boss, a thread adjusting column is arranged on the upper end face of the first valve plate, a mounting plate is arranged in the buffer pipe fitting, a threaded hole is formed in the mounting plate, and the thread adjusting column is in threaded connection with the threaded hole.
Preferably, the left and right sides of the mounting plate are respectively provided with a mounting boss, and the mounting bosses are fixedly mounted in the buffer pipe fitting by adopting fasteners.
Preferably, the first valve body structure comprises a second valve plate which is arranged in the fire hydrant body in a vertical moving mode, a threaded adjusting cylinder is arranged on the second valve plate, a threaded connecting cylinder is arranged on the fire hydrant body, the threaded adjusting cylinder is arranged inside the threaded connecting cylinder and is in threaded connection with the threaded connecting cylinder, the upper end of the threaded adjusting cylinder penetrates through the threaded connecting cylinder to extend to the upper portion of the fire hydrant body, and a first knob is arranged on the threaded adjusting cylinder.
Preferably, the second valve plate corresponds to the position of the lower end opening of the threaded adjusting cylinder, a through hole is formed in the position of the lower end opening of the threaded adjusting cylinder, the driving structure comprises a square driving rod arranged in the threaded adjusting cylinder, the lower end of the square driving rod downwards extends to the position in the second valve pipe, the upper end of the square driving rod penetrates through the threaded adjusting cylinder and upwards extends, a sealing sleeve is arranged on the outer wall of the square driving rod, the lower end of the sealing sleeve penetrates through the threaded adjusting cylinder and downwards extends, a sealing ring is sleeved on the outer wall of the sealing sleeve, the sealing ring is fixedly arranged on the inner wall of the threaded adjusting cylinder, a positioning sleeve is arranged on the sealing sleeve above the sealing ring, the outer wall of the positioning sleeve is tightly attached to the inner wall of the threaded adjusting cylinder, a reset spring is sleeved on the sealing sleeve between the positioning sleeve and the sealing ring, a limiting plate attached to the upper end face of the positioning sleeve is arranged on the square driving rod, a second knob is arranged at the upper end of the square driving rod, and a hole in plug-in coupling with the square driving rod is arranged on the threaded adjusting column.
Compared with the prior art, the fire hydrant has the advantages that the structure is simple and reasonable, the double-valve arrangement prevents a large amount of fire water from rushing out after the fire hydrant is crashed, the water inlet end of the fire hydrant body is connected with a buffer pipe fitting, the water inlet end of the buffer pipe fitting is connected with a second valve pipe, the second valve pipe is used for being connected with a fire pipe, a second valve body structure for cutting off water flow is arranged in the second valve pipe, and a driving structure for driving the second valve body structure to open or close is arranged in the fire hydrant body. When the fire hydrant is required to be opened, the driving structure is required to be downwards coupled with the second valve body structure, then the second valve body structure is opened, and the first valve body structure positioned in the fire hydrant body is opened to output fire fighting water. When the fire hydrant body is bumped, the fire hydrant body is displaced, and the buffer pipe fitting can deform to protect the integrity of the second valve pipe, so that water source of the fire fighting pipeline below is prevented from rushing out.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
FIG. 5 is a second schematic cross-sectional view of the present utility model;
fig. 6 is an enlarged view of fig. 5C according to the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-6, a dual valve type fire hydrant includes a fire hydrant body 10, a water outlet pipe 110 is provided at the upper portion of the fire hydrant body 10, a first valve body structure 50 for intercepting water flow is provided in the fire hydrant body 10, a buffer pipe 20 is connected to a water inlet end of the fire hydrant body 10, a second valve pipe 30 is connected to a water inlet end of the buffer pipe 20, the second valve pipe 30 is used for being connected to a fire pipe 40, a second valve body structure 300 for intercepting water flow is provided in the second valve pipe 30, and a driving structure 60 for driving the second valve body structure 300 to open or close is provided in the fire hydrant body 10.
When the fire hydrant is required to be opened, the driving structure is required to be downwards coupled with the second valve body structure, then the second valve body structure is opened, and the first valve body structure positioned in the fire hydrant body is opened to output fire fighting water. When the fire hydrant body is bumped, the fire hydrant body is displaced, and the buffer pipe fitting can deform to protect the integrity of the second valve pipe, so that water source of the fire fighting pipeline below is prevented from rushing out.
Referring to fig. 4 and 6, based on the above embodiment, preferably, the second valve body structure 300 includes a ring-shaped boss 310 disposed in the buffer tube 20, the second valve body structure 300 includes a first valve plate 301 disposed above the ring-shaped boss 310 and attached to an upper end surface of the ring-shaped boss 310, a screw adjusting column 303 is disposed on an upper end surface of the first valve plate 301, a mounting plate 305 is disposed in the buffer tube 20, a threaded hole 307 is disposed on the mounting plate 305, and the screw adjusting column 303 is in threaded connection with the threaded hole 307.
Further, a first sealing ring 302 is disposed on the lower end surface of the first valve plate 301, and a ring groove 311 matched with the first sealing ring 302 is disposed on the upper end surface of the ring-shaped boss 310.
The opening and closing of the second valve structure 300 is achieved by controlling the up and down position of the first valve plate 301 by rotating the screw adjusting post 303.
Referring to fig. 6, mounting bosses 306 are respectively disposed on the left and right sides of the mounting plate 305, and the mounting bosses 306 are fixedly mounted in the buffer tube 20 by fasteners 308.
The fasteners 308 are preferably existing bolts.
Referring to fig. 3, in accordance with the above embodiment, preferably, the first valve body structure 50 includes a second valve plate 510 disposed in the hydrant body 10 to move up and down, a screw adjusting cylinder 530 is disposed on the second valve plate 510, a screw connecting cylinder 130 is disposed on the hydrant body 10, the screw adjusting cylinder 530 is disposed inside the screw connecting cylinder 130 and is screw-connected thereto, an upper end of the screw adjusting cylinder 530 extends to above the hydrant body 10 through the screw connecting cylinder 130, and a first knob 540 is disposed on the screw adjusting cylinder 530.
Referring to fig. 3, preferably, a second sealing ring 520 attached to the hydrant body 10 is provided on the circumferential wall of the second valve plate 510.
The first knob 540 is turned to rotate the screw adjusting cylinder 530, which moves up or down relative to the screw connecting cylinder 130 when rotating, so as to drive the second valve 510 to move above the water outlet pipe 110, i.e. to open the water discharging state, and the second valve 510 moves below the water outlet pipe 110 to close the water discharging state.
Referring to fig. 3 and 4, based on the above embodiment, preferably, the inside of the screw adjusting cylinder 530 is hollow, and the upper and lower ends of the screw adjusting cylinder 530 are opened, a through hole 511 is provided at a position of the second valve plate 510 corresponding to the opening of the lower end of the screw adjusting cylinder 530, the driving structure 60 includes a square driving rod 650 provided in the screw adjusting cylinder 530, the lower end of the square driving rod 650 extends downward into the second valve tube 30, the upper end of the square driving rod 650 passes through the screw adjusting cylinder 530 and extends upward, a sealing sleeve 620 is provided on an outer wall of the square driving rod 650, the lower end of the sealing sleeve 620 passes through the screw adjusting cylinder 530 and extends downward, a sealing ring 630 is sleeved on an outer wall of the sealing sleeve 620, the sealing ring 630 is fixedly provided on an inner wall of the screw adjusting cylinder 530, a positioning sleeve 610 is provided on the sealing sleeve 620 above the sealing sleeve 610, an outer wall of the positioning sleeve 610 is tightly attached to the inner wall of the screw adjusting cylinder 530, a reset spring 640 is sleeved on the sealing sleeve 620 between the positioning sleeve 610 and the sealing sleeve 630, a square driving rod 650 is provided on an end face of the driving rod 650 and is provided with a square driving rod 650, and a square driving rod 650 is provided on the second end of the square driving rod 650 is provided with a square connecting rod 650.
When the second valve body structure 300 needs to be opened, the second knob 670 needs to be pressed down, so that the square driving rod 650 is inserted into the square hole 304 to form coupling transmission, and at the moment, the second knob 670 is rotated to drive the threaded adjusting column 303 to rotate so as to adjust the first valve plate 301 to move upwards, and then the water source in the second valve pipe 30 enters the buffer pipe fitting 20 and then enters the hydrant body 10. In the pressing process, the square driving rod 650 drives the positioning sleeve 610 to compress the reset spring 640 downwards through the limiting plate 660 so as to prepare for the following rebound reset.
The return spring 640 functions to separate the square driving rod 650 and the square hole 304 from each other when no external force is applied to the second knob 670, so as to ensure that the second valve body structure 300 is not affected when the hydrant body 10 is impacted by the external force.
What is not described in detail in this specification is prior art known to those skilled in the art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a double valve formula fire hydrant, includes fire hydrant body (10), the upper portion of fire hydrant body (10) is equipped with outlet pipe (110), be equipped with in fire hydrant body (10) and be used for cutting off first valve body structure (50), its characterized in that: the fire hydrant is characterized in that a water inlet end of the fire hydrant body (10) is connected with a buffer pipe fitting (20), the water inlet end of the buffer pipe fitting (20) is connected with a second valve pipe (30), the second valve pipe (30) is used for being connected with a fire fighting pipeline (40), a second valve body structure (300) for cutting off water flow is arranged in the second valve pipe (30), and a driving structure (60) for driving the second valve body structure (300) to open or close is arranged in the fire hydrant body (10).
2. A dual valve hydrant according to claim 1, characterized in that: the second valve body structure (300) is including setting up annular boss (310) in buffering pipe fitting (20), second valve body structure (300) include annular boss (310) top be equipped with first valve plate (301) that annular boss (310) up end is laminated mutually, be equipped with screw thread adjusting post (303) on the up end of first valve plate (301), be provided with mounting panel (305) in buffering pipe fitting (20), be equipped with screw hole (307) on mounting panel (305), screw thread adjusting post (303) with screw hole (307) threaded connection.
3. A dual valve hydrant according to claim 2, characterized in that: mounting bosses (306) are respectively arranged on the left side and the right side of the mounting plate (305), and the mounting bosses (306) are fixedly mounted in the buffer pipe fitting (20) through fasteners (308).
4. A dual valve hydrant according to claim 2, characterized in that: the first valve body structure (50) comprises a second valve plate (510) which is arranged in the fire hydrant body (10) in a vertical moving mode, a threaded adjusting cylinder (530) is arranged on the second valve plate (510), a threaded connecting cylinder (130) is arranged on the fire hydrant body (10), the threaded adjusting cylinder (530) is arranged inside the threaded connecting cylinder (130) and is in threaded connection with the threaded connecting cylinder, the upper end of the threaded adjusting cylinder (530) penetrates through the threaded connecting cylinder (130) to extend to the upper portion of the fire hydrant body (10), and a first knob (540) is arranged on the threaded adjusting cylinder (530).
5. The dual valve hydrant of claim 4, wherein: the screw thread adjusting cylinder (530) is hollow and is provided with openings at the upper end and the lower end, the second valve plate (510) is provided with a through hole (511) corresponding to the position of the opening at the lower end of the screw thread adjusting cylinder (530), the driving structure (60) comprises a square driving rod (650) arranged in the screw thread adjusting cylinder (530), the lower end of the square driving rod (650) downwards extends to the inside of the second valve tube (30), the upper end of the square driving rod passes through the screw thread adjusting cylinder (530) and upwards extends, a sealing sleeve (620) is arranged on the outer wall of the square driving rod (650), the lower end of the sealing sleeve (620) passes through the screw thread adjusting cylinder (530) and downwards extends, a sealing ring (630) is sleeved on the outer wall of the sealing sleeve (620), the sealing sleeve (620) above the sealing ring (630) is fixedly arranged on the inner wall of the screw thread adjusting cylinder (530), the outer wall of the positioning sleeve (610) is tightly attached to the inner wall of the second valve tube (30), a reset sleeve (610) is arranged between the positioning sleeve (610) and the driving rod (640) and the upper end face of the second valve tube (670), a reset sleeve (640) is arranged on the sealing sleeve (640), the screw thread adjusting column (303) is provided with a square hole (304) which is in plug-in coupling with the square driving rod (650).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321866735.3U CN220301452U (en) | 2023-07-14 | 2023-07-14 | Double-valve type fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321866735.3U CN220301452U (en) | 2023-07-14 | 2023-07-14 | Double-valve type fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220301452U true CN220301452U (en) | 2024-01-05 |
Family
ID=89352048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321866735.3U Active CN220301452U (en) | 2023-07-14 | 2023-07-14 | Double-valve type fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220301452U (en) |
-
2023
- 2023-07-14 CN CN202321866735.3U patent/CN220301452U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |