CN214743691U - Water control valve for foam concentrate injection system and foam pipeline thereof - Google Patents
Water control valve for foam concentrate injection system and foam pipeline thereof Download PDFInfo
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- CN214743691U CN214743691U CN202120182406.1U CN202120182406U CN214743691U CN 214743691 U CN214743691 U CN 214743691U CN 202120182406 U CN202120182406 U CN 202120182406U CN 214743691 U CN214743691 U CN 214743691U
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Abstract
The utility model relates to the technical field of foam injection systems, in particular to a water control valve for foam concentrate injection systems and a foam pipeline thereof, which comprises a valve body, wherein a partition plate and a valve rod are arranged in the valve body, the partition plate divides the interior of the valve body into a first cavity and a second cavity, the valve rod is connected with the partition plate in a sliding way, an elastic diaphragm is arranged on the valve rod, the elastic diaphragm, the inner wall of the valve body and the partition plate enclose to form a first cavity, a water inlet is arranged on the first cavity, and the water inlet is used for introducing pressure water into the first cavity; a foam liquid inlet and a foam liquid outlet are formed in the second cavity; a valve core is arranged on the part of the valve rod, which is positioned in the second cavity, the valve core is used for abutting against the foam concentrate outlet, and the elastic diaphragm drives the valve core to move along the axis direction of the valve rod through the valve rod after being stressed, so that the foam concentrate inlet is communicated with or cut off from the foam concentrate outlet; the valve rod is sleeved with a spring, one end of the spring is abutted to the partition plate, and the other end of the spring is abutted to the valve core. The water control valve can be opened by starting the water pump, so that control wiring is reduced, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to a foam injection system technical field, especially foam liquid is water accuse valve and foam pipeline for injection system.
Background
In modern large-scale foam fire engineering, the supply of foam mixed liquid of fire-fighting teams has higher requirements, and the foam liquid is injected into the system in a foam injection pump mode, so that the foam injection pump is widely applied to large and medium-scale foam fire-fighting systems in petrochemical industry, ports and docks, oil depots, airports, offshore platforms and the like.
In the foam liquid conveying pipeline, the foam liquid is conveyed by power supplied by a water pump, a valve is arranged on the pipeline to control the on-off of the liquid, an electric control valve or a manual valve is generally adopted in the existing valve, the electric control valve is simple and convenient to operate but needs complex wiring work, control failure is easy to occur, the valve cannot be opened or closed, the manual valve is complex to operate, and manual operation is inconvenient to perform in certain environments with narrow spaces.
Therefore, a technical scheme is needed at present to solve the technical problems that the operation is complicated and the valve is easy to lose efficacy due to the fact that the foam concentrate is controlled to be on or off by an electric control valve or a manual valve in a foam concentrate conveying pipeline.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the technical problems that the operation is complicated and the valve is easy to lose efficacy because the foam liquid is controlled to be switched on and off by an electric control valve or a manual valve in a foam liquid conveying pipeline in the prior art, the water control valve for the foam liquid injection system and the foam pipeline thereof are provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the water control valve for the foam concentrate injection system comprises a valve body, a partition plate and a valve rod are arranged in the valve body, the partition plate divides the interior of the valve body into a first cavity and a second cavity, the valve rod is connected with the partition plate in a sliding manner,
an elastic diaphragm is arranged on the valve rod, the elastic diaphragm, the inner wall of the valve body and the partition plate enclose to form the first cavity, a water inlet is formed in the first cavity, and the water inlet is used for introducing pressure water into the first cavity;
a foam liquid inlet and a foam liquid outlet are formed in the second cavity;
a valve core is arranged on the part of the valve rod, which is positioned in the second cavity, the valve core is used for abutting against the foam concentrate outlet, and the elastic diaphragm drives the valve core to move along the axis direction of the valve rod through the valve rod after being stressed, so that the foam concentrate inlet is communicated with or cut off from the foam concentrate outlet;
the valve rod is sleeved with a spring, one end of the spring is abutted to the partition plate, and the other end of the spring is abutted to the valve core.
The utility model discloses a water control valve for foam concentrate injection system, when water control valve is in the closed condition, case and foam concentrate export butt, when need open water control valve, only need start the water pump in the pipeline, water enters into first cavity through the water inlet after the water pump pressurization, pressure water exerts pressure to the elastic diaphragm, the elastic diaphragm warp and drives the valve rod upward movement, thereby make the valve rod drive case upward movement, and then make case and foam concentrate export separation, foam concentrate import and foam concentrate export intercommunication, after the flowing back is accomplished, the water pump is closed, the spring promotes the valve core butt on the foam concentrate export, realize closing of water control valve, the break-make of the water control valve of this application is decided according to water pressure, it can only need start the water pump to open water control valve, water pump side provides the transmission power to the fire extinguishing system, can open water control valve simultaneously and carry out the foam concentrate transport, the control circuit does not need to be independently added to control and operate the water control valve, and the manual operation of the water control valve by workers is also not needed, so that the operation is simple and convenient, and the control circuit arrangement for foam concentrate conveying is simplified.
As the utility model discloses a preferred scheme, be equipped with on the baffle with the through-hole of valve rod adaptation, the valve rod passes through the through-hole with baffle sliding connection. Set up the through-hole on the baffle, the valve rod is worn to establish in the through-hole, has realized the sliding connection of valve rod and baffle.
As the preferred scheme of the utility model, be equipped with spacing draw-in groove in the foam liquid export, spacing draw-in groove with case looks adaptation. The valve core can be abutted against the limiting clamping groove in the descending process through the limiting clamping groove, and the valve core is sealed for a foam liquid outlet.
As the utility model discloses an optimal scheme, be equipped with ring groove on the case outer wall, ring groove is last to have set the elastic seal circle. The sealing performance between the valve core and the foam concentrate outlet is better, and the foam concentrate is prevented from leaking through the water control valve during the idle period.
As the preferred scheme of the utility model, the valve body upper end is equipped with the end cover, be equipped with the air vent on the end cover. The elastic diaphragm, the valve rod and other parts can be protected by the end cover, and the service life of the water control valve is prolonged.
And the foam pipeline comprises a water delivery pipe and the water control valve for the foam concentrate injection system, wherein the water delivery pipe is provided with a pressure tapping pipe and a water pump, and the pressure tapping pipe is communicated with the water inlet.
The utility model discloses the foam pipeline, start water pump, during the pressurized pressure water enters into first cavity, elastic diaphragm produced and warp, drives valve rod upward movement to make the valve rod drive the case and break away from the export of foam liquid, the import of foam liquid and the export of foam liquid are through second cavity intercommunication, realize the transport of foam liquid.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses an break-make of water accuse valve is decided according to water pressure, it only needs to start the water pump to open the water accuse valve can, the water pump provides transport power to fire extinguishing systems in one hand, can open the water accuse valve simultaneously, does not need to increase control scheme alone and controls the operation to the water accuse valve, also does not need the staff to carry out manual operation to the water accuse valve, not only easy and simple to handle, has still simplified the control scheme that the foam liquid was carried and has arranged.
Drawings
FIG. 1 is a schematic structural view of a water control valve for a foam concentrate injection system according to the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic structural diagram of the foam pipeline of the present invention;
the labels in the figure are: 1-valve body, 11-first cavity, 111-water inlet, 12-second cavity, 121-foam liquid inlet, 122-foam liquid outlet, 1221-limiting clamping groove, 2-partition plate, 3-valve rod, 4-elastic diaphragm, 5-valve core, 51-annular clamping groove, 6-spring, 7-elastic sealing ring, 8-end cover, 81-air inlet, 9-water pipe, 91-pressure sampling pipe and 10-water pump.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, the water control valve for the foam concentrate injection system comprises a valve body 1, a partition plate 2 and a valve rod 3 are arranged in the valve body 1, the partition plate 2 divides the interior of the valve body 3 into a first cavity 11 and a second cavity 12, the valve rod 3 is slidably connected with the partition plate 2,
an elastic diaphragm 4 is arranged on the valve rod 3, the elastic diaphragm 4, the inner wall of the valve body 1 and the partition plate 2 enclose to form the first cavity 11, a water inlet 111 is arranged on the first cavity 11, and the water inlet 111 is used for introducing pressure water into the first cavity 11;
a foam liquid inlet 121 and a foam liquid outlet 122 are formed in the second cavity 12;
a valve core 5 is arranged on the part of the valve rod 3 in the second cavity 12, the valve core 5 is used for abutting against the foam concentrate outlet 122, and the elastic diaphragm 4 is stressed and then drives the valve core 5 to move along the axial direction of the valve rod 3 through the valve rod 3, so that the foam concentrate inlet 121 and the foam concentrate outlet 122 are communicated or cut off;
the valve rod 3 is sleeved with a spring 6, one end of the spring 6 is abutted to the partition plate 2, and the other end of the spring is abutted to the valve core 5.
Specifically, a through hole matched with the valve rod 3 is formed in the partition plate 2, the valve rod 3 is connected with the partition plate 2 in a sliding mode through the through hole, the through hole is formed in the partition plate 2, and the valve rod 3 is arranged in the through hole in a penetrating mode, so that the sliding connection between the valve rod 3 and the partition plate 2 is achieved; the foam liquid outlet 122 is provided with a limiting clamping groove 1221, the limiting clamping groove 1221 is matched with the valve core 5, and the valve core 5 can be abutted against the limiting clamping groove 1221 in the descending process through the limiting clamping groove 1221, so that the foam liquid outlet 122 is sealed by the valve core 5.
Furthermore, an annular clamping groove 51 is formed in the outer wall of the valve core 5, and an elastic sealing ring 7 is arranged on the annular clamping groove 51 in a matched mode, so that the sealing performance between the valve core 5 and the foam concentrate outlet 122 is better, and the foam concentrate is prevented from leaking through the water control valve during the idle period.
Further, 1 upper end of valve body is equipped with end cover 8, be equipped with air vent 81 on the end cover 8, can protect parts such as elastic diaphragm 4, valve rod 3 through setting up at end cover 8, improve the life of water accuse valve.
When the water control valve is in a closed state, the valve core 5 is abutted against the foam liquid outlet 122, when the water control valve needs to be opened, only the water pump in the conveying pipeline needs to be started, water enters the first cavity 11 through the water inlet after being pressurized by the water pump, pressure is applied to the elastic diaphragm 4 by the pressure water, the elastic diaphragm 4 deforms to drive the valve rod 3 to move upwards, so that the valve rod 3 drives the valve core 5 to move upwards, the valve core 5 is separated from the foam liquid outlet 122, the foam liquid inlet 121 is communicated with the foam liquid outlet 122, after liquid drainage is completed, the water pump is closed, the spring 6 pushes the valve core 5 to abut against the foam liquid outlet 122 to realize closing of the water control valve, the water control valve is determined according to water pressure, the water pump only needs to be started to open and close the water control valve, the water pump provides conveying power for a fire extinguishing system on one hand, meanwhile, the water control valve can be opened without independently increasing a control line to control the water control valve, and the water control valve does not need to be manually operated by workers, so that the operation is simple and convenient, and the control circuit arrangement for foam liquid conveying is simplified.
Example 2
As shown in fig. 1 and fig. 3, the utility model also provides a foam pipeline, including raceway 9 and the foam concentrate injection system water control valve as in embodiment 1, be equipped with pressure pipe 91 and water pump 10 on raceway 9, pressure pipe 91 with water inlet 111 communicates.
Foam pipeline: and starting the water pump 10, allowing pressurized pressure water to enter the first cavity 11, deforming the elastic diaphragm 4 to drive the valve rod 3 to move upwards, so that the valve rod 3 drives the valve core 5 to be separated from the foam concentrate outlet 122, and the foam concentrate inlet 121 and the foam concentrate outlet 122 are communicated through the second cavity 12 to realize foam concentrate conveying.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The water control valve for the foam concentrate injection system is characterized by comprising a valve body (1), a partition plate (2) and a valve rod (3) are arranged in the valve body (1), the partition plate (2) divides the interior of the valve body (1) into a first cavity (11) and a second cavity (12), the valve rod (3) is connected with the partition plate (2) in a sliding manner,
an elastic diaphragm (4) is arranged on the valve rod (3), the elastic diaphragm (4), the inner wall of the valve body (1) and the partition plate (2) are enclosed to form the first cavity (11), a water inlet (111) is formed in the first cavity (11), and the water inlet (111) is used for introducing pressure water into the first cavity (11);
a foam liquid inlet (121) and a foam liquid outlet (122) are formed in the second cavity (12);
a valve core (5) is arranged on the part, located in the second cavity (12), of the valve rod (3), the valve core (5) is used for being abutted against the foam liquid outlet (122), and the elastic diaphragm (4) is stressed and then drives the valve core (5) to move along the axis direction of the valve rod (3) through the valve rod (3) so as to enable the foam liquid inlet (121) and the foam liquid outlet (122) to be communicated or cut off;
the valve rod (3) is sleeved with a spring (6), one end of the spring (6) is abutted to the partition plate (2), and the other end of the spring (6) is abutted to the valve core (5).
2. The water control valve for foam concentrate injection system according to claim 1, wherein the partition plate (2) is provided with a through hole adapted to the valve rod (3), and the valve rod (3) is slidably connected with the partition plate (2) through the through hole.
3. The water control valve for the foam concentrate injection system according to claim 1, wherein a limiting clamping groove (1221) is formed in the foam concentrate outlet (122), and the limiting clamping groove (1221) is matched with the valve core (5).
4. The water control valve for the foam concentrate injection system according to claim 3, wherein an annular clamping groove (51) is formed in the outer wall of the valve core (5), and an elastic sealing ring (7) is arranged on the annular clamping groove (51).
5. The water control valve for foam concentrate injection system according to any one of claims 1-4, wherein an end cap (8) is arranged at the upper end of the valve body (1), and a vent hole (81) is arranged on the end cap (8).
6. The foam pipeline is characterized by comprising a water conveying pipe (9) and a water control valve for the foam concentrate injection system according to any one of claims 1 to 5, wherein a pressure tapping pipe (91) and a water pump (10) are arranged on the water conveying pipe (9), and the pressure tapping pipe (91) is communicated with the water inlet (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120182406.1U CN214743691U (en) | 2021-01-22 | 2021-01-22 | Water control valve for foam concentrate injection system and foam pipeline thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120182406.1U CN214743691U (en) | 2021-01-22 | 2021-01-22 | Water control valve for foam concentrate injection system and foam pipeline thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743691U true CN214743691U (en) | 2021-11-16 |
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ID=78640789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120182406.1U Active CN214743691U (en) | 2021-01-22 | 2021-01-22 | Water control valve for foam concentrate injection system and foam pipeline thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743691U (en) |
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2021
- 2021-01-22 CN CN202120182406.1U patent/CN214743691U/en active Active
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