CN208871102U - A kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical - Google Patents
A kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical Download PDFInfo
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- CN208871102U CN208871102U CN201821401041.1U CN201821401041U CN208871102U CN 208871102 U CN208871102 U CN 208871102U CN 201821401041 U CN201821401041 U CN 201821401041U CN 208871102 U CN208871102 U CN 208871102U
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Abstract
The utility model discloses a kind of self-priming unidirectional proportioners of fire-fighting foams extinguishing chemical, the first valve body of the first valve chamber is provided with including axially penetrating through, fluidic cartridge in first valve chamber is set, it is removably attachable to the end of first valve body one end and the axial inlet union for being provided with first through hole, and the check valve connecting with the first valve body；First valve chamber includes the diffusion hole being sequentially communicated, intercommunicating pore and negative pressure chamber and the negative pressure chamber is located at close to inlet union side and is connected to first through hole, the fluidic cartridge is mounted in negative pressure chamber and exports backwards to inlet union, first valve outer wall be vertically installed with connection negative pressure chamber the first mounting hole, the check valve by the first mounting hole it is vertical with the first valve body connect and with negative pressure chamber inside be connected to.The utility model has structure simple, and handling ease is low in cost, while having the characteristics that pressure adjustable is connected.
Description
Technical field
The utility model relates to proportioner fields, and in particular to be that a kind of self-priming fire-fighting foams extinguishing chemical is unidirectional
Proportioner.
Background technique
Foam fire-fighting is applied to petroleum, chemical field in China earliest, is developed so far, and also obtains in civilian other field
Broad development generates the bubble jet that mixer finally passes through connecting tube for the mixing in proportion between fire water and foam solution
Rifle or foam water generator spray, for stamping out a fire.With the development of foam fire extinguishing technique, proportioner is as fire extinguishing system
The key position of system, sealing performance and the reliability for opening mixing ratio are directly related to the security reliability of whole system, and
Existing mixer design structure is complicated, at high cost, needs often to overhaul, and maintenance cost is high.
Traditional check valve generally comprises the second valve body, spool and spring, after liquid is flowed into from the inlet of check valve, gram
The active force that spring acts on spool is taken, spool is opened, to open valve port, liquid just flows into the second valve body from valve port
Inner cavity, then flowed out via liquid outlet.Traditional non-return valve function is single, and conducting pressure can not be adjusted.
Summary of the invention
In view of the above shortcomings of the prior art, the utility model provides a kind of self-priming fire-fighting foams extinguishing chemical and unidirectionally compares
Example mixer, has structure simple, and handling ease is low in cost, while having the characteristics that pressure adjustable is connected.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical is provided with the of the first valve chamber including axially penetrating through
The fluidic cartridge in the first valve chamber is arranged in one valve body, is removably attachable to the end of first valve body one end and is axially provided with
The inlet union of first through hole, and the check valve being connect with the first valve body；First valve chamber includes the diffusion being sequentially communicated
Hole, intercommunicating pore and negative pressure chamber and the negative pressure chamber are located at close inlet union side and are connected to first through hole, the fluidic cartridge
It is mounted in negative pressure chamber and exports backwards to inlet union, first valve outer wall is vertically installed with the first of connection negative pressure chamber
Mounting hole, the check valve by the first mounting hole it is vertical with the first valve body connect and with negative pressure chamber inside be connected to.
Further, the fluidic cartridge, which axially penetrates through, is provided with shrinkage cavity and shrinkage cavity connection first through hole and negative pressure chamber,
The fluidic cartridge is provided with step in input end, and the negative pressure chamber is provided with and matched, step close to inlet union side
Rank hole, the fluidic cartridge carve conjunction connection by step and stepped hole and are provided with the first sealing ring at conjunction carving.
Further, the inlet union connect with the first valve body screw thread and junction is provided with the second sealing ring, institute
It states inlet union and is being provided with the external screw thread for connecting fire water pipeline backwards to first valve body one end.
Further, the check valve includes interior the second valve body for being equipped with the second valve chamber, is arranged in the second valve chamber
One-way sealing spool, screw thread adjustable plate and spring, the imbibition import that the second valve body front end is set and is connected to the second valve chamber,
And the connector being detachably connected with the second valve rear end；The connector is axially provided through the imbibition being connected to the second valve chamber
Outlet and the imbibition are exported to be connected to negative pressure chamber, and the second valve chamber inner wall is provided with internal screw thread, and the screw thread adjustable plate is set
It is equipped with the matched external screw thread of internal screw thread and is connect with the second valve chamber inner thread, the screw thread adjustable plate is provided through just
In the second through-hole that foam passes through, the spring is between screw thread adjustable plate and one-way sealing spool and unidirectional for pushing
Sealed valve core blocks imbibition import, and the connector matches with the first mounting hole and is used to connect check valve is vertical with the first valve body
It connects.
Further, the one-way sealing spool include seal head and with the integrally formed bar portion of seal head, the spiral shell
Line adjustable plate is provided with the second mounting hole, and the bar portion sequentially passes through spring and the setting of the second mounting hole, and the spring is located at spiral shell
Between line mounting plate and seal head and seal head is pushed to block imbibition import.
Further, the seal head is provided with the third sealing ring for sealing in end face.
Further, second valve body front end is provided with external screw thread.
Further, described connector one end be provided with the matched external screw thread of the internal screw thread of the second valve chamber and the end with
The connection of second valve body screw thread, the connector other end is provided with external screw thread and the end is threadedly coupled with the first mounting hole, described to connect
The 4th sealing ring for sealing is provided between head and the second valve body.
Compared with prior art, the utility model has the following beneficial effects:
The utility model structure designs simple, reasonable, handling ease, and manufacturing cost is lower than existing proportioner, close
The problem of sealing reliable design, ensure that the utility model can be used for a long time, recycle, repairing there is no replacement and often, has
Effect improves practicability, reduces maintenance and use cost.The bar shaped screw thread adjustable plate of the check valve of the utility model simultaneously
It is connect with the second valve chamber inner thread, the precession depth of changeable screw thread adjustable plate carrys out the compression degree of adjustment spring, to rise
To the effect for the conducting pressure for adjusting check valve；One-way sealing spool is made of seal head and bar portion, bar portion be threaded through spring and
In screw thread adjustable plate, guiding role can be played well, can prevent spring unstability, also can prevent seal head skew from causing to seal
Portion is tight.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the one-way valve structures schematic diagram of the utility model.
Fig. 3 is the screw thread adjustable plate structural schematic diagram of the utility model.
Wherein, the corresponding title of appended drawing reference are as follows:
The first valve chamber of 1-, the first valve body of 2-, 3- fluidic cartridge, 4- first through hole, 5- inlet union, 6- check valve, 7- diffusion
Hole, 8- intercommunicating pore, 9- negative pressure chamber, 10- shrinkage cavity, 11- step, the first sealing ring of 12-, the second sealing ring of 13-, the second valve of 601-
Chamber, the second valve body of 602-, 603- screw thread adjustable plate, 604- spring, 605- imbibition import, 606- connector, 607- imbibition outlet,
The second through-hole of 608-, 609- seal head, 610- bar portion, 611- third sealing ring, the 4th sealing ring of 612-.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, the embodiments of the present invention
Include but are not limited to following embodiment.
Embodiment:
As shown in Figure 1, a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical, including axially penetrate through and be provided with
First valve body 2 of one valve chamber 1, is arranged in the fluidic cartridge 3 in the first valve chamber 1, is removably attachable to the end of 2 one end of the first valve body
Portion and the axial inlet union 5 for being provided with first through hole 4, and the check valve 6 being connect with the first valve body 2；First valve chamber 1 packet
It includes the diffusion hole 7 being sequentially communicated, intercommunicating pore 8 and negative pressure chamber 9 and negative pressure chamber 9 is located at close to 5 side of inlet union and leads to first
Hole 4 is connected to, and fluidic cartridge 3 is mounted in negative pressure chamber 9 and outlet is backwards to inlet union 5, and 2 outer wall vertical of the first valve body is provided with company
First mounting hole of logical negative pressure chamber 9, check valve 6 by the first mounting hole it is vertical with the first valve body 2 connect and in negative pressure chamber 9
Portion's connection.
Wherein, fluidic cartridge 3, which axially penetrates through, is provided with shrinkage cavity 10 and shrinkage cavity 10 and is connected to first through hole 4 and negative pressure chamber 9, shrinkage cavity
10 import internal diameters are greater than exit inside diameter, and 3 size of fluidic cartridge is less than between negative pressure chamber 9 and fluidic cartridge 3 and negative pressure chamber 9 there are gap,
Fluidic cartridge 3 is provided with step 11 in input end, and negative pressure chamber 9 is provided with and 11 matched, step close to 5 side of inlet union
Rank hole, fluidic cartridge 3 carve conjunction connection by step 11 and stepped hole and are provided with the first sealing ring 12, inlet union 5 at conjunction carving
The step 11 of fluidic cartridge 3 is fixed with stepped hole.
It to be easy to disassemble, seals simultaneously, inlet union 5 is threadedly coupled with the first valve body 2 and junction is provided with second
Sealing ring 13, inlet union 5 are being provided with the external screw thread for connecting fire water pipeline backwards to 2 one end of the first valve body.
As shown in Fig. 2, check valve 6 includes interior the second valve body 602 for being equipped with the second valve chamber 601, it is arranged in the second valve chamber 601
Interior one-way sealing spool, screw thread adjustable plate 603 and spring 604, setting connect in 602 front end of the second valve body and with the second valve chamber 1
Logical imbibition import 5, and the connector 606 being threadedly coupled with 2 rear end of the second valve body.Wherein, 606 one end of connector is provided with and the
The matched external screw thread of internal screw thread of the two valve chambers 601 and end is threadedly coupled with the second valve body 602, connector 606 and the second valve body
The 4th sealing ring 612 for sealing is provided between 602；One-way sealing spool include seal head 609 and with seal head 609 1
Body formed bar portion 610, screw thread adjustable plate 603 are provided with the second mounting hole, and the second mounting hole aperture is straight slightly larger than bar portion 610
Diameter can play the role of being oriented to the axial movement that bar portion 610 is also convenient for bar portion 610, and bar portion 610 sequentially passes through 604 He of spring
The setting of second mounting hole, connector 606, which axially penetrates through, is provided with the imbibition outlet 607 being connected to the second valve chamber 601 and imbibition outlet
607 are connected to negative pressure chamber 9, and 601 inner wall of the second valve chamber is provided with internal screw thread, and screw thread adjustable plate 603 is provided with to be matched with internal screw thread
External screw thread and connect with 601 inner thread of the second valve chamber, screw thread adjustable plate 603 is provided through passed through convenient for gas
Second valve chamber 601 is divided into the imbibition chamber being connected to imbibition import 605 and and imbibition by two through-holes 608, screw thread adjustable plate 603
The water conservancy diversion chamber of 607 connection of outlet, the second through-hole 608 are connected to imbibition chamber and water conservancy diversion chamber, and diameter is greater than imbibition in imbibition chamber room
605 internal diameter of import, and it is equipped with the necking section transition from imbibition chamber to imbibition import 605 therebetween, seal head 609 is in cone
Shape and taper and the matching of necking section taper, 609 diameter of seal head are greater than 610 diameter of bar portion, form cushion cap face, spring therebetween
604 between screw thread mounting plate 603 and cushion cap face and push seal head 609 fill in necking section block imbibition import 605.For
Further sealing is tight, and third sealing ring 611 is provided between seal head 609 and necking section.606 other end of connector is provided with outer
The screw thread and end is threadedly coupled with the first mounting hole is connect check valve 6 is vertical with the first valve body 2.
For convenient for connecting with external equipment, 602 front end of the second valve body is provided with external screw thread.
The check valve of the utility model is in use, change the precession depth of screw thread adjustable plate by external tool (nipper plier etc.)
Degree carrys out the compression degree of adjustment spring, to play the role of adjusting the conducting pressure of check valve.Wherein, screw thread adjustable plate be by
The cylindrical surface of circular orifice cuts two plane-parallel orifice plates, and structure is as shown in Figure 3.
Utility model works principle:
In use, the inlet union of the utility model is connect with fire water pipeline, check valve front end and normal pressure foam solution
The siphon pipe of case or foam solution normal pressure tank is connected, when unlatching fire-fighting pressure water to rated operating pressure and minimum requires flow,
Fire-fighting pressure water enters shrinkage cavity through first through hole, by fluidic cartridge, when generation jet stream sprays to intercommunicating pore, generates in negative pressure chamber negative
Pressure, negative pressure inhale opening one-way sealed valve core, and fire foam enters inside check valve through imbibition import, export to imbibition and flow into negative pressure
Room forms foam mixing liquid by intercommunicating pore and fire-fighting pressure water and sprays into fire_fighting pipe network through diffusion hole, is transported to through fire protection pipeline
Foam lance or foam producer put out a fire to comburant fire.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model
Protection scope, all body design thought in the utility model and that mentally makes have no the change of essential meaning or polishing,
The technical issues of it is solved is still consistent with the utility model, should all be included in the protection scope of the utility model it
It is interior.
Claims (8)
1. a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical, which is characterized in that be provided with including axially penetrating through
The first valve body (2) of one valve chamber (1) is arranged in the fluidic cartridge (3) in the first valve chamber, is removably attachable to first valve body one end
End and it is axial be provided with the inlet union (5) of first through hole (4), and the check valve (6) being connect with the first valve body；Institute
State the first valve chamber include the diffusion hole (7) being sequentially communicated, intercommunicating pore (8) and negative pressure chamber (9) and the negative pressure chamber be located at close into
Mouthful connector side simultaneously be connected to first through hole, and the fluidic cartridge is mounted in negative pressure chamber and exports inlet union backwards, and described the
One valve outer wall is vertically installed with the first mounting hole of connection negative pressure chamber, and the check valve passes through the first mounting hole and the first valve body
Vertical connection and be connected to inside negative pressure chamber.
2. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical described in claim 1, which is characterized in that described
Fluidic cartridge, which axially penetrates through, is provided with shrinkage cavity (10) and shrinkage cavity connection first through hole and negative pressure chamber, and the fluidic cartridge is in import
End be provided with step (11), the negative pressure chamber close to inlet union side be provided with the matched stepped hole of step, it is described to penetrate
Stream core carves conjunction connection by step and stepped hole and is provided with the first sealing ring (12) at conjunction carving.
3. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical described in claim 1, which is characterized in that described
Inlet union connect with the first valve body screw thread and junction is provided with the second sealing ring (13), and the inlet union is backwards
First valve body one end is provided with the external screw thread for connecting fire water pipeline.
4. according to a kind of described in any item self-priming unidirectional proportioners of fire-fighting foams extinguishing chemical of claims 1 to 3, feature
It is, the check valve includes interior the second valve body (602) for being equipped with the second valve chamber (601), is arranged in unidirectional in the second valve chamber
Sealed valve core, screw thread adjustable plate (603) and spring (604), the imbibition that the second valve body front end is set and is connected to the second valve chamber
Import (605), and the connector (606) being detachably connected with the second valve rear end；The connector is axially provided through and the
The imbibition outlet (607) and imbibition outlet of two valve chambers connection are connected to negative pressure chamber, and the second valve chamber inner wall is provided with interior
Screw thread, the screw thread adjustable plate are provided with the matched external screw thread of internal screw thread and connect with the second valve chamber inner thread, the spiral shell
Line adjustable plate is provided through the second through-hole (608) passed through convenient for foam, and the spring is located at screw thread adjustable plate and one-way sealing
Between envelope spool and for pushing one-way sealing spool to block imbibition import, the connector is matched and is used for the first mounting hole
It connect check valve is vertical with the first valve body.
5. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical as claimed in claim 4, which is characterized in that described
One-way sealing spool include seal head (609) and with the integrally formed bar portion of seal head (610), the screw thread adjustable plate is provided with
Second mounting hole, the bar portion sequentially pass through spring and the setting of the second mounting hole, and the spring is located at screw thread mounting plate and sealing
Between head and seal head is pushed to block imbibition import.
6. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical described in claim 5, which is characterized in that described
Seal head is provided with the third sealing ring (611) for sealing in end face.
7. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical as claimed in claim 6, which is characterized in that described
Second valve body front end is provided with external screw thread.
8. according to a kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical as claimed in claim 7, which is characterized in that described
Connector one end is provided with the matched external screw thread of the internal screw thread of the second valve chamber and the end is connect with the second valve body screw thread, described to connect
The head other end is provided with external screw thread and the end is threadedly coupled with the first mounting hole, is provided between the connector and the second valve body
The 4th sealing ring (612) for sealing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401041.1U CN208871102U (en) | 2018-08-29 | 2018-08-29 | A kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401041.1U CN208871102U (en) | 2018-08-29 | 2018-08-29 | A kind of self-priming unidirectional proportioner of fire-fighting foams extinguishing chemical |
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| CN208871102U true CN208871102U (en) | 2019-05-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195789A (en) * | 2019-07-12 | 2019-09-03 | 上海瑞泰消防设备制造有限公司 | A kind of ratio mixing valve |
| CN111589033A (en) * | 2020-05-31 | 2020-08-28 | 诸暨市海王消防设备有限公司 | Plug, plug processing method and fire-fighting nozzle |
| CN113102487A (en) * | 2021-04-08 | 2021-07-13 | 河南省明创环境科技有限公司 | Self-suction injection device and in-situ integrated self-suction injection system thereof |
| WO2023056994A1 (en) * | 2021-10-06 | 2023-04-13 | Jetex Innovation S.R.O. | Handheld fire extinguishing equipment for the formation of a two-phase bubble-structured stream and the method of extinguishing |
| WO2023144109A1 (en) * | 2022-01-26 | 2023-08-03 | Firedos Gmbh | Closing element for a valve |
-
2018
- 2018-08-29 CN CN201821401041.1U patent/CN208871102U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195789A (en) * | 2019-07-12 | 2019-09-03 | 上海瑞泰消防设备制造有限公司 | A kind of ratio mixing valve |
| CN111589033A (en) * | 2020-05-31 | 2020-08-28 | 诸暨市海王消防设备有限公司 | Plug, plug processing method and fire-fighting nozzle |
| CN113102487A (en) * | 2021-04-08 | 2021-07-13 | 河南省明创环境科技有限公司 | Self-suction injection device and in-situ integrated self-suction injection system thereof |
| CN113102487B (en) * | 2021-04-08 | 2022-04-12 | 河南省明创环境科技有限公司 | Self-suction injection device and in-situ integrated self-suction injection system thereof |
| WO2023056994A1 (en) * | 2021-10-06 | 2023-04-13 | Jetex Innovation S.R.O. | Handheld fire extinguishing equipment for the formation of a two-phase bubble-structured stream and the method of extinguishing |
| WO2023144109A1 (en) * | 2022-01-26 | 2023-08-03 | Firedos Gmbh | Closing element for a valve |
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