CN208221681U - A kind of fire-fighting suction type proportion mixer adjustable pressure check valve - Google Patents
A kind of fire-fighting suction type proportion mixer adjustable pressure check valve Download PDFInfo
- Publication number
- CN208221681U CN208221681U CN201820733442.0U CN201820733442U CN208221681U CN 208221681 U CN208221681 U CN 208221681U CN 201820733442 U CN201820733442 U CN 201820733442U CN 208221681 U CN208221681 U CN 208221681U
- Authority
- CN
- China
- Prior art keywords
- screw thread
- valve
- valve chamber
- adjustable plate
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000005213 imbibition Methods 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a kind of fire-fighting suction type proportion mixer adjustable pressure check valves, including the interior valve body equipped with valve chamber, one-way sealing spool, screw thread adjustable plate and spring in valve chamber are set, the imbibition import that valve body front end is set and is connected to valve chamber, and the connector being detachably connected with valve rear end;The connector is axially provided through the imbibition outlet being connected to valve chamber, the valve chamber inner wall is provided with internal screw thread, the screw thread adjustable plate is provided with and the matched external screw thread of internal screw thread and connect with valve chamber inner thread, the screw thread adjustable plate is provided through the through-hole passed through convenient for gas, and the spring is between screw thread adjustable plate and one-way sealing spool and for pushing one-way sealing spool to block imbibition import.The precession depth of screw thread adjustable plate can be changed to adjust the conducting pressure of check valve in the utility model;The utility model structure is simple, and various pieces are all connected through a screw thread, convenient to disassembly.
Description
Technical field
The utility model relates to valve fields, and in particular to be a kind of fire-fighting suction type proportion mixer pressure-adjustable
Power check valve.
Background technique
Traditional liquid check valve generally comprises 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 is just flowed into valve body from valve port
Chamber, then flowed out via liquid outlet.Traditional non-return valve function is single, and conducting pressure can not be adjusted.
To sum up, a kind of check valve that pressure adjustable section is connected how is designed, is become as those skilled in the art's urgent need to resolve
One of the problem of.
Summary of the invention
In view of the above shortcomings of the prior art, the utility model provides a kind of fire-fighting suction type proportion mixer with can
Pressure check valve is adjusted, mainly has 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 fire-fighting suction type proportion mixer adjustable pressure check valve, including the interior valve body equipped with valve chamber, setting
One-way sealing spool, screw thread adjustable plate and spring in valve chamber, valve body front end is set and the imbibition that is connected to valve chamber into
Mouthful, and the connector being detachably connected with valve rear end;The connector is axially provided through the imbibition outlet being connected to valve chamber,
The valve chamber inner wall is provided with internal screw thread, the screw thread adjustable plate be provided with the matched external screw thread of internal screw thread and in valve chamber
Wall is threadedly coupled, and the screw thread adjustable plate is provided through the through-hole passed through convenient for gas, and the spring is located at screw thread adjustable plate
Between one-way sealing spool and for pushing one-way sealing spool to block imbibition import.
Further, the one-way sealing spool include seal head and with the integrally formed bar portion of seal head, the screw thread
Adjustable plate is provided with mounting hole, and the bar portion sequentially passes through spring and mounting hole setting, the spring be located at screw thread mounting plate with
Between seal head and seal head is pushed to block imbibition import.
Further, the seal head is provided with the first sealing ring for sealing in end face.
Further, the valve body front end is provided with external screw thread.
Further, described connector one end is provided with and the matched external screw thread of the internal screw thread of valve chamber and the end and valve body
It is threadedly coupled, the connector other end is provided with external screw thread, is provided between the connector and valve body close for the second of sealing
Seal.
Compared with prior art, the utility model has the following beneficial effects:
The bar shaped screw thread adjustable plate of the utility model is connect with valve chamber inner thread, and the precession that screw thread adjustable plate can be changed is deep
Degree carrys out the compression degree of adjustment spring, to play the role of adjusting the conducting pressure of check valve;One-way sealing spool is by sealing
Head and bar portion composition, bar portion are threaded through in spring and screw thread adjustable plate, can play guiding role well, can prevent spring from losing
Surely, also it can prevent seal head skew from causing sealing tight;The utility model structure is simple, and various pieces are all connected through a screw thread,
It is convenient to disassembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the screw thread adjustable plate structural schematic diagram of the utility model.
Wherein, the corresponding title of appended drawing reference are as follows:
1- valve chamber, 2- valve body, 3- screw thread adjustable plate, 4- spring, 5- imbibition import, 6- connector, 7- imbibition outlet, 8- are logical
Hole, 9- seal head, 10- bar portion, the first sealing ring of 11-, the second sealing ring of 12-.
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.
As shown in Figure 1, a kind of fire-fighting suction type proportion mixer adjustable pressure check valve, including it is interior equipped with valve chamber 1
Valve body 2, one-way sealing spool, screw thread adjustable plate 3 and spring 4 in valve chamber 1 be set, and setting is in 2 front end of valve body and and valve
The imbibition import 5 that chamber 1 is connected to, and the connector 6 being threadedly coupled with 2 rear end of valve body.
Wherein, 6 one end of connector is provided with connects with the matched external screw thread of the internal screw thread of valve chamber 1 and the end and 2 screw thread of valve body
It connects, 6 other end of connector is provided with external screw thread, is used for external equipment, second for sealing is provided between connector 6 and valve body 2
Sealing ring 12;One-way sealing spool include seal head 9 and with the integrally formed bar portion 10 of seal head 9, screw thread adjustable plate 3 is provided with
Mounting hole, mounting hole aperture are slightly larger than 10 diameter of bar portion, can play the role of being oriented to the axial direction that bar portion 10 is also convenient for bar portion 10
Mobile, bar portion 10 sequentially passes through spring 4 and mounting hole setting, and connector 6 axially penetrates through the imbibition outlet for being provided with and being connected to valve chamber 1
7,1 inner wall of valve chamber is provided with internal screw thread, screw thread adjustable plate 3 be provided with the matched external screw thread of internal screw thread and with 1 inner wall spiral shell of valve chamber
Line connection, screw thread adjustable plate 3 are provided through the through-hole 8 passed through convenient for gas, and valve chamber 1 is divided into and is inhaled by screw thread adjustable plate 3
The imbibition chamber and the water conservancy diversion chamber being connected to imbibition outlet 7, through-hole 8 that liquid import 5 is connected to are connected to imbibition chamber and water conservancy diversion chamber,
Diameter is greater than 5 internal diameter of imbibition import in imbibition chamber room, and is equipped with the necking section mistake from imbibition chamber to imbibition import 5 therebetween
It crosses, seal head 9 is tapered and taper and the matching of necking section taper, 9 diameter of seal head are greater than 10 diameter of bar portion, are formed therebetween
Cushion cap face, spring 4 is between screw thread mounting plate 3 and cushion cap face and seal head 9 is pushed to fill in the closure imbibition import 5 of necking section.
It is tight further to seal, the first sealing ring 11. is provided between seal head 9 and necking section
For convenient for connecting with external equipment, 2 front end of valve body is provided with external screw thread.
It is axially mounted perpendicular to suction type proportion mixer when the utility model is used, pass through external tool (nipper plier
Deng) change screw thread adjustable plate precession depth carry out the compression degree of adjustment spring, thus play adjust check valve conducting pressure
Effect.Wherein, screw thread adjustable plate is that the cylindrical surface of circular orifice is cut to two plane-parallel orifice plates, and structure is as schemed
Shown in 2.
Utility model works principle: after fire water flows into suction type proportion mixer, the water flow of high flow rate is being inhaled
Liquid outlet end forms lower pressure, (negative pressure is formed) under atmospheric pressure, by the foam solution negative suction formula in bubble chamber
After proportion mixer, fire water and foam solution are mixed in a certain ratio in suction type proportion mixer, from suction type ratio
The liquid outlet outflow of example mixing arrangement, passes through fire hose, ignition point is finally sprayed onto from spray gun, for putting out a 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 (5)
1. a kind of fire-fighting suction type proportion mixer adjustable pressure check valve, which is characterized in that be equipped with valve chamber (1) including interior
Valve body (2), one-way sealing spool, screw thread adjustable plate (3) and spring (4) in valve chamber be set, is arranged in valve body front end, simultaneously
The imbibition import (5) being connected to valve chamber, and the connector (6) being detachably connected with valve rear end;The connector, which axially penetrates through, to be set
Be equipped with the imbibition outlet (7) being connected to valve chamber, the valve chamber inner wall is provided with internal screw thread, the screw thread adjustable plate be provided with it is interior
The matched external screw thread of screw thread simultaneously connect with valve chamber inner thread, and the screw thread adjustable plate is provided through to be passed through convenient for gas
Through-hole (8), the spring are inhaled between screw thread adjustable plate and one-way sealing spool and for pushing one-way sealing spool to block
Liquid import.
2. according to a kind of fire-fighting suction type proportion mixer adjustable pressure check valve described in claim 1, which is characterized in that
The one-way sealing spool include seal head (9) and with the integrally formed bar portion of seal head (10), screw thread adjustable plate setting
Have a mounting hole, the bar portion sequentially passes through spring and mounting hole setting, the spring between screw thread mounting plate and seal head,
And seal head is pushed to block imbibition import.
3. according to a kind of fire-fighting suction type proportion mixer adjustable pressure check valve as claimed in claim 2, which is characterized in that
The seal head is provided with the first sealing ring (11) for sealing in end face.
4. according to a kind of described in any item fire-fighting suction type proportion mixer adjustable pressure check valves of claims 1 to 3,
It is characterized in that, the valve body front end is provided with external screw thread.
5. according to a kind of described in any item fire-fighting suction type proportion mixer adjustable pressure check valves of claims 1 to 3,
It is characterized in that, described connector one end is provided with the matched external screw thread of the internal screw thread of valve chamber and the end is connect with valve body screw thread, institute
It states the connector other end and is provided with external screw thread, the second sealing ring (12) for sealing is provided between the connector and valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820733442.0U CN208221681U (en) | 2018-05-17 | 2018-05-17 | A kind of fire-fighting suction type proportion mixer adjustable pressure check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820733442.0U CN208221681U (en) | 2018-05-17 | 2018-05-17 | A kind of fire-fighting suction type proportion mixer adjustable pressure check valve |
Publications (1)
Publication Number | Publication Date |
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CN208221681U true CN208221681U (en) | 2018-12-11 |
Family
ID=64508421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820733442.0U Expired - Fee Related CN208221681U (en) | 2018-05-17 | 2018-05-17 | A kind of fire-fighting suction type proportion mixer adjustable pressure check valve |
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CN (1) | CN208221681U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469749A (en) * | 2018-12-26 | 2019-03-15 | 无锡梯梯科技有限公司 | Check valve apparatus |
CN109915631A (en) * | 2019-02-25 | 2019-06-21 | 浙江工业大学 | A kind of novel button classification pressure-adjustable check valve |
CN110455356A (en) * | 2019-04-23 | 2019-11-15 | 湖南常德牌水表制造有限公司 | A kind of ultrasonic water meter with warning function |
CN111119417A (en) * | 2020-01-08 | 2020-05-08 | 临海伟星新型建材有限公司 | Pressure-adjustable rain water pipeline system and pressure regulating valve |
CN111425634A (en) * | 2020-03-26 | 2020-07-17 | 宁波市鄞州亚大汽车管件有限公司 | Gas one-way valve |
CN114378737A (en) * | 2021-12-09 | 2022-04-22 | 浙江坤博精工科技股份有限公司 | Clamp capable of sucking waste liquid |
-
2018
- 2018-05-17 CN CN201820733442.0U patent/CN208221681U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109469749A (en) * | 2018-12-26 | 2019-03-15 | 无锡梯梯科技有限公司 | Check valve apparatus |
CN109469749B (en) * | 2018-12-26 | 2024-04-05 | 无锡迪顺机械科技有限公司 | One-way valve device |
CN109915631A (en) * | 2019-02-25 | 2019-06-21 | 浙江工业大学 | A kind of novel button classification pressure-adjustable check valve |
CN110455356A (en) * | 2019-04-23 | 2019-11-15 | 湖南常德牌水表制造有限公司 | A kind of ultrasonic water meter with warning function |
CN111119417A (en) * | 2020-01-08 | 2020-05-08 | 临海伟星新型建材有限公司 | Pressure-adjustable rain water pipeline system and pressure regulating valve |
CN111425634A (en) * | 2020-03-26 | 2020-07-17 | 宁波市鄞州亚大汽车管件有限公司 | Gas one-way valve |
CN114378737A (en) * | 2021-12-09 | 2022-04-22 | 浙江坤博精工科技股份有限公司 | Clamp capable of sucking waste liquid |
CN114378737B (en) * | 2021-12-09 | 2024-04-30 | 浙江坤博精工科技股份有限公司 | Clamp capable of sucking waste liquid |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 |