CN208311577U - A kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle - Google Patents
A kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle Download PDFInfo
- Publication number
- CN208311577U CN208311577U CN201820739431.3U CN201820739431U CN208311577U CN 208311577 U CN208311577 U CN 208311577U CN 201820739431 U CN201820739431 U CN 201820739431U CN 208311577 U CN208311577 U CN 208311577U
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- valve
- pressure
- valve chamber
- hole
- spool
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- 230000000994 depressogenic effect Effects 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000011105 stabilization Methods 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 230000006837 decompression Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims 21
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of dedicated pressure-reducing constant pressure valves of fire-fighting rated pressure gas container bottle, it is characterized in that, valve body including being respectively arranged with the first valve chamber and the second valve chamber at both ends, it is separately positioned on voltage-regulation voltage-stabilization spool and one-way sealing spool in the first valve chamber and in the second valve chamber, the gland that is detachably connected of end of first valve chamber one end is set with valve body, and the inlet seal lid that the end that second valve chamber one end is arranged with valve body is detachably connected；The valve body is provided with depressed gas tap hole and the depressed gas tap hole, depressed gas room, the second valve chamber, air through hole are sequentially communicated to form voltage-regulation voltage-stabilization spool described in air ventilation passage for pushing one-way sealing spool to open the second valve chamber and adjusting aperture according to the second valve cavity pressure, and the gland is provided with the operation through-hole convenient for pushing voltage-regulation voltage-stabilization spool.The utility model structure is simple, at low cost, prevents from accidentally touching using plug cover after pressure regulation calibration, high reliablity.
Description
Technical field
The utility model relates to pressure reducing valve fields, and in particular to be that a kind of fire-fighting rated pressure gas container bottle is dedicated subtract
Press constant pressure valve.
Background technique
Pressure reducing valve is the outlet pressure that inlet pressure is reduced to a certain needs by adjusting, and by the energy of medium itself
Amount, makes outlet pressure automatically keep stable valve.From the viewpoint of hydrodynamics, pressure reducing valve is that a local resistance can become
The restricting element of change changes the kinetic energy of flow velocity and fluid, causes the different pressure losses that is, by change orifice size, from
And achieve the purpose that decompression.Then by the adjusting of control and regulating system, the fluctuation of downstream pressure is made to balance each other with spring force,
Keep constant downstream pressure in certain error range, and structure is complicated for existing relief valves designs, at high cost, pressure regulation essence
It spends lower with reliability.
To sum up, it is simple how to design a kind of structure, the pressure reducing valve of regulation precision and high reliablity becomes as art technology
One of the problem of personnel's urgent need to resolve.
Summary of the invention
In view of the above shortcomings of the prior art, it is dedicated to provide a kind of fire-fighting rated pressure gas container bottle for the utility model
Pressure-reducing constant pressure valve, structure is simple, at low cost, prevents from accidentally touching using plug cover after pressure regulation calibration, high reliablity.
To achieve the above object, the technical solution adopted in the utility model is as follows:
The dedicated pressure-reducing constant pressure valve of a kind of fire-fighting rated pressure gas container bottle, which is characterized in that be included in both ends and set respectively
Be equipped with the valve body of the first valve chamber and the second valve chamber, the voltage-regulation voltage-stabilization spool that is separately positioned in the first valve chamber and in the second valve chamber and
One-way sealing spool, the gland that the end that first valve chamber one end is arranged with valve body is detachably connected, and it is arranged second with valve body
The inlet seal lid that the end of valve chamber one end is detachably connected；The inlet seal lid is provided with the air inlet being connected to the second valve chamber
First valve chamber is divided into the installation cavity close to valve end and the decompression far from valve end by through-hole, the voltage-regulation voltage-stabilization spool
Gas compartment, the valve body be provided with depressed gas tap hole and the depressed gas tap hole, depressed gas room, the second valve chamber,
Air through hole is sequentially communicated to form air ventilation passage, and the one-way sealing spool is used for the second valve chamber of automatic plugging, the tune
Pressure stabilizing valve core is described for pushing one-way sealing spool to open the second valve chamber and adjusting aperture according to the second valve cavity pressure
Gland is provided with the operation through-hole convenient for pushing voltage-regulation voltage-stabilization spool.
Further, the voltage-regulation voltage-stabilization spool includes being arranged in the first valve chamber and the first valve chamber being divided into installation
The sealed pressure pad of chamber and depressed gas room is located at the metal gasket that installation cavity side is bonded setting, one end and metal with sealed pressure pad
The first compressed spring for padding clamping, the regulator bolts with the clamping of the first compressed spring other end, passes through metal gasket and sealed pressure pad
Bolt be arranged and tight, and the nut gone forward side by side on bolt and for compressing metal gasket and sealed pressure pad is set；The installation
Cavity wall is provided with seal joint and sealed pressure pad is fixed by the seal joint, and the operation through-hole is provided with interior spiral shell
Line, the regulator bolts are provided with the matched external screw thread of internal screw thread and connect with operation through hole whorl, and the regulator bolts exist
First compressed spring one end end is provided with regulator bolts slot, described and tight bolt is held out against under the effect of the first compressed spring
One-way sealing spool simultaneously can push one-way sealing spool to open the second valve chamber.
Further, the regulator bolts include the metal pressure for being provided with externally threaded threaded rod and connecting with threaded rod
Plate, threaded rod side is provided with first boss to the metal platen and other side setting is fluted, the first compression bullet
Spring is connected in first boss, described threaded rod one end by screw thread with operation through hole whorl connect and the other end be connected to it is recessed
In slot, described regulator bolts slot is arranged in threaded rod far from metal platen one end.
Further, the one-way sealing spool include be located at the second valve chamber in thimble body, both ends respectively with thimble body
With the second compressed spring of inlet seal lid clamping；Second compressed spring pushes thimble body to block the second valve chamber and described
Thimble body is held out against and tight bolt far from second compressed spring one end.
Further, second valve chamber be divided into high pressure gas chamber close to valve end be connected to heavy pressure gas chamber
The decompression deflector hole of room and depressed gas room；The thimble body include be threaded through decompression deflector hole in and with decompression deflector hole it
Between there are the mandril of gas passage gaps, be solidified as a whole with mandril one end and structure and be located at the indoor seal head of heavy pressure gas chamber；
The seal head is being provided with second boss backwards to mandril side, and the seal head is provided with sealing ring in mandril side, described
Second compressed spring is connected in second boss and pushes seal head plugging gap, described and tight bolt and mandril far from sealing
First end is mutually held out against.
Further, the inlet seal lid is threadedly coupled with valve end, and the inlet seal lid is provided with air inlet
Connector, the inlet suction port are provided with external screw thread, and the air through hole runs through inlet suction port.
Further, the gland is connect with valve body screw thread.
Further, the operation through-hole is provided with plug cover.
Further, the depressed gas tap hole is being provided with internal thread interface close to valve body surface.
Compared with prior art, the utility model has the following beneficial effects:
The utility model changes gap between seal head and mandril and decompression deflector hole by adjusting the regulator bolts amount of feeding
Aperture, to change the pressure of depressed gas tap hole output gas extinguishing chemical；Pass through the first compressed spring and the second pressure again
The effect of contracting spring, can be by the height of a variety of pressure so that the outlet pressure of depressed gas tap hole remains stable in a certain range
Pressure gas extinguishing agent is decompressed to required rated pressure；After pressure regulation calibration, as long as input pressure is within the allowable range, the gas of output
Pressure is steady state value, and no setting is required, and pressure table display can realize accurate pressure control, save the cost.The utility model compared to
The prior art, structure is simple, easy for installation, prevents from accidentally touching using plug cover after pressure regulation calibration, high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the stand-by state schematic diagram of the utility model.
Wherein, the corresponding title of appended drawing reference are as follows:
1- valve body, 2- gland, 3- inlet seal lid, 4- air through hole, 5- installation cavity, 6- depressed gas room, 7- depressurize gas
Body tap hole, 8- sealed pressure pad, 9- metal gasket, the first compressed spring of 10-, 11- and tight bolt, 12- nut, 13- sealing pressure
Ring, 14- regulator bolts slot, 15- threaded rod, 16- metal platen, the second compressed spring of 17-, 18- high pressure gas chamber, 19- subtract
Press deflector hole, 20- mandril, 21- seal head, 22- sealing ring, 2- plug cover.
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 dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle, is included in both ends and is respectively set
Have the valve body 1 of the first valve chamber and the second valve chamber, the voltage-regulation voltage-stabilization spool that is separately positioned in the first valve chamber and in the second valve chamber and
One-way sealing spool, the gland 2 being connect with the end thread that first valve chamber one end is arranged in valve body 1, and it is arranged second with valve body 1
The inlet seal lid 3 of the end thread connection of valve chamber one end；Specially 1 both ends of valve body are provided with external screw thread, and gland 2 and air inlet are close
Capping 3 is both provided with internal screw thread, and valve body both ends are threadedly coupled with gland 2 and inlet seal lid 3 respectively, to guarantee sealing performance pressure
Lid 2 and inlet seal lid 3 are being provided with O-ring seal with 1 junction of valve body, and inlet seal lid 3 is provided with and the second valve chamber
First valve chamber is divided into the installation cavity close to 1 end of valve body by the air through hole 4 of connection, the sealed pressure pad 8 of voltage-regulation voltage-stabilization spool
5 and the depressed gas room 6 far from 1 end of valve body, valve body 1 be provided with depressed gas tap hole 7 and depressed gas tap hole 7, subtract
Pressure gas compartment 6, the second valve chamber, air through hole 4 are sequentially communicated to form air ventilation passage, and gland 2 is provided with to push pressure regulation
The operation through-hole of stabilizing valve core.
Wherein, voltage-regulation voltage-stabilization spool includes being arranged in the first valve chamber and the first valve chamber being divided into installation cavity 5 and is subtracted
The sealed pressure pad 8 for pressing gas compartment 6 is located at the metal gasket 9 that 5 side of installation cavity is bonded setting, one end and metal gasket with sealed pressure pad 8
First compressed spring 10 of 9 clampings, the regulator bolts with the clamping of 10 other end of the first compressed spring, passes through metal gasket 9 and sealing
Bolt 11 that pressure pad 8 is arranged and tight, and the spiral shell gone forward side by side on bolt 11 and for compressing metal gasket 9 and sealed pressure pad 8 is set
Mother 12；5 inner wall of installation cavity is provided with seal joint 13, and 5 aperture of installation cavity is greater than 6 aperture of depressed gas room, has therebetween
Step, sealed pressure pad 8 have certain deformability, and the table top at 8 both ends of sealed pressure pad and step is fixed by seal joint 13,
Operation through-hole is provided with internal screw thread, and regulator bolts include the gold for being provided with externally threaded threaded rod 15 and connecting with threaded rod 15
Belong to pressing plate 16, metal platen 16 is provided with first boss backwards to 15 side of threaded rod, and fluted, threaded rod 15 1 is arranged in the other side
End connect the other end with operation through hole whorl and is clamped into groove.Metal gasket 9 is being equipped with recess towards 10 side of the first compressed spring
Portion, 10 one end of the first compressed spring are connected to the other end in first boss and are connected in the recessed portion of metal gasket 9, and regulator bolts are logical
Threaded rod 15 is crossed to connect with operation through hole whorl.Threaded rod 15 is being provided with pressure regulation spiral shell backwards to 10 one end end of the first compressed spring
Croze 14, and tight bolt 11 includes the Full threaded rod across metal gasket 9 and sealed pressure pad 8, and is located in depressed gas room 6
End, end is fixedly connected with Full threaded rod, and nut 12 is threadedly coupled with Full threaded rod.
One-way sealing spool includes being located at thimble body in the second valve chamber, and both ends are blocked with thimble body and inlet seal lid 3 respectively
The second compressed spring 17 connect, inlet seal lid 3 are equipped with third boss, and the second compressed spring 17 is connected on third boss.The
Two valve chambers be divided into close to 1 end of valve body high pressure gas chamber 18 and be connected to subtracting for high pressure gas chamber 18 and depressed gas room 6
Press deflector hole 19；It depressurizes 19 size of deflector hole and is less than high pressure gas chamber 18 and depressed gas room 6, gas is from high pressure gas chamber
18 enter back into depressed gas room 6 by decompression deflector hole 19, and thimble body includes being threaded through in decompression deflector hole 19 and leading with decompression
There are the mandril 20 of gas passage gaps between discharge orifice 19, it is solidified as a whole with 20 one end of mandril and structure and is located at heavy pressure gas chamber
Seal head 21 in room 18；Mandril 20 passes through decompression deflector hole 19 and is through to depressed gas room 6 and the end with simultaneously tight bolt 11
It holds out against, seal head 21 is being provided with second boss backwards to 20 side of mandril, and seal head 21 is provided with sealing ring in 20 side of mandril
22, the second compressed spring 17 is connected in second boss and pushes 21 plugging gap of seal head, specially decompression deflector hole 19 with
There is protrusion between high pressure gas chamber 18, seal head 21 compresses protrusion under the effect of the second compressed spring 17, and by close
The sealing of seal 22, thus plugging gap.Regulator bolts precession is rotated by external tool card people's regulator bolts slot 14, can be pushed away
Dynamic first compressed spring 10 compression pushes and tight bolt 11, to push mandril 20, and then mandril 20 pushes seal head 21 to open
Gap.
For convenient for external pipeline, inlet seal lid 3 is provided with inlet suction port, inlet suction port is provided with external screw thread, and air inlet is logical
Inlet suction port is run through in hole 4, and inlet suction port is connected by external screw thread and the outlet of high pressure gas foamite container.Depressed gas tap hole
7 are being provided with internal thread interface close to 1 surface of valve body, convenient for connecting with exterior line.
To prevent maloperation, operation through-hole is provided with plug cover 23, and plug cover 23 is rubber plug lid.
The utility model is using preceding needing to calibrate, and depressed gas is exported to exterior line when calibration, and exterior line needs to be arranged
One pressure gauge, to monitor the variation of output gas pressure value in calibration process.Adjust the pressure on regulator bolts to exterior line
Power table shows required rated pressure value, stops adjusting at once, and filling in plug cover prevents regulator bolts by malfunction, completes calibration,
Reach stand-by state, stand-by state schematic diagram is detailed in Fig. 2.
When the utility model is used, regulator bolts are controlled by regulator bolts slot to feed by screw thread, pushes metal platen
The first compressed spring is compressed, the first compressed spring pushes the sealed pressure pad fine motion to the right together of metal gasket and its connection, and tight
Bolt opens seal head by mandril, and depressed gas room, decompression deflector hole, high pressure gas chamber form access, high pressure gas at this time
Micro gap on the right side of the sealed head of body extinguishing chemical and decompression deflector hole between protrusion flows into decompression deflector hole, and then enters decompression
Gas compartment, depressed gas tap hole pass through depressed gas outflux connection output to exterior line.It is fluctuated in admission pressure
When, it is acted on by the first compressed spring and the second compressed spring, the pressure for the gas that depressed gas tap hole can be made to flow out is one
Determine to maintain to stablize in range.
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 (9)
1. a kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle, which is characterized in that be included in both ends and be respectively set
There is the valve body (1) of the first valve chamber and the second valve chamber, is separately positioned on the voltage-regulation voltage-stabilization spool in the first valve chamber and in the second valve chamber
The gland (2) being detachably connected with one-way sealing spool, the end that first valve chamber one end is arranged with valve body, and be arranged with valve body
The inlet seal lid (3) that the end of second valve chamber one end is detachably connected；The inlet seal lid is provided with to be connected with the second valve chamber
First valve chamber is divided into close to the installation cavity (5) of valve end and separate by logical air through hole (4), the voltage-regulation voltage-stabilization spool
The depressed gas room (6) of valve end, the valve body be provided with depressed gas tap hole (7) and the depressed gas tap hole,
Depressed gas room, the second valve chamber, air through hole are sequentially communicated to form air ventilation passage, and the one-way sealing spool is for automatic
The second valve chamber is blocked, the voltage-regulation voltage-stabilization spool is for pushing one-way sealing spool to open the second valve chamber and according to the second valve chamber
Interior pressure adjusts aperture, and the gland is provided with the operation through-hole convenient for pushing voltage-regulation voltage-stabilization spool.
2. a kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle according to claim 1, which is characterized in that
The voltage-regulation voltage-stabilization spool includes being arranged in the first valve chamber and the first valve chamber being divided into the close of installation cavity and depressed gas room
It seals pressure pad (8), is located at the metal gasket (9) that installation cavity side is bonded setting, one end and the first of metal gasket clamping with sealed pressure pad
Compressed spring (10), the regulator bolts with the clamping of the first compressed spring other end, it is being arranged across metal gasket and sealed pressure pad and
Tight bolt (11), and the nut (12) gone forward side by side on bolt and for compressing metal gasket and sealed pressure pad is set；The installation
Cavity wall is provided with seal joint (13) and sealed pressure pad is fixed by the seal joint, and the operation through-hole is provided with
Internal screw thread, the regulator bolts are provided with the matched external screw thread of internal screw thread and connect with operation through hole whorl, the pressure regulation spiral shell
Bolt is provided with regulator bolts slot (14) backwards to first compressed spring one end end, and described and tight bolt is made in the first compressed spring
One-way sealing spool is held out against under and one-way sealing spool can be pushed to open the second valve chamber.
3. a kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle according to claim 2, which is characterized in that
The regulator bolts include the metal platen (16) for being provided with externally threaded threaded rod (15) and connecting with threaded rod, the metal
Threaded rod side is provided with first boss with pressing plate and other side setting is fluted, and first compressed spring is connected to the
On one boss, described threaded rod one end is connect by screw thread with operation through hole whorl and the other end is connected in groove, described tune
Bolt slot is pressed to be arranged in threaded rod far from metal platen one end.
4. a kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle according to claim 2, which is characterized in that
The one-way sealing spool includes being located at thimble body in the second valve chamber, both ends be clamped respectively with thimble body and inlet seal lid the
Two compressed springs (17)；Second compressed spring pushes thimble body the second valve chamber of closure and the thimble body is far from second
Compressed spring one end is held out against and tight bolt.
5. a kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle according to claim 4, which is characterized in that
Second valve chamber is divided into close to the high pressure gas chamber (18) and connection high pressure gas chamber of valve end and depressed gas room
Decompression deflector hole (19)；Decompression deflector hole is interior and there are gases between decompression deflector hole including being threaded through for the thimble body
The mandril (20) of passage gaps, with mandril one end be solidified as a whole structure and be located at the indoor seal head of heavy pressure gas chamber (21)；Institute
It states seal head and mandril side is being provided with second boss, the seal head is provided with sealing ring (22), institute in mandril side
It states the second compressed spring and is connected in second boss and pushes seal head plugging gap, described and tight bolt and mandril are far from close
End socket one end is mutually held out against.
6. the dedicated pressure-reducing constant pressure valve of described in any item a kind of fire-fighting rated pressure gas container bottles according to claim 1~5,
Be characterized in that, the inlet seal lid is threadedly coupled with valve end, and the inlet seal lid is provided with inlet suction port, it is described into
Gas connector is provided with external screw thread, and the air through hole runs through inlet suction port.
7. the dedicated pressure-reducing constant pressure valve of described in any item a kind of fire-fighting rated pressure gas container bottles according to claim 1~5,
It is characterized in that, the gland is connect with valve body screw thread.
8. the dedicated pressure-reducing constant pressure valve of described in any item a kind of fire-fighting rated pressure gas container bottles according to claim 1~5,
It is characterized in that, the operation through-hole is provided with plug cover (23).
9. the dedicated pressure-reducing constant pressure valve of described in any item a kind of fire-fighting rated pressure gas container bottles according to claim 1~5,
It is characterized in that, the depressed gas tap hole is being provided with internal thread interface close to valve body surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820739431.3U CN208311577U (en) | 2018-05-17 | 2018-05-17 | A kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820739431.3U CN208311577U (en) | 2018-05-17 | 2018-05-17 | A kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311577U true CN208311577U (en) | 2019-01-01 |
Family
ID=64711713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820739431.3U Expired - Fee Related CN208311577U (en) | 2018-05-17 | 2018-05-17 | A kind of dedicated pressure-reducing constant pressure valve of fire-fighting rated pressure gas container bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691611A (en) * | 2021-01-14 | 2021-04-23 | 新乡工神锅炉有限公司 | Organic fertilizer production process based on spray explosion tank |
-
2018
- 2018-05-17 CN CN201820739431.3U patent/CN208311577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691611A (en) * | 2021-01-14 | 2021-04-23 | 新乡工神锅炉有限公司 | Organic fertilizer production process based on spray explosion tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |