CN203972210U - A kind of nozzle mounting seat - Google Patents
A kind of nozzle mounting seat Download PDFInfo
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- CN203972210U CN203972210U CN201420424188.8U CN201420424188U CN203972210U CN 203972210 U CN203972210 U CN 203972210U CN 201420424188 U CN201420424188 U CN 201420424188U CN 203972210 U CN203972210 U CN 203972210U
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- mounting seat
- main body
- valve core
- spring
- nozzle
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Abstract
The utility model discloses a kind of nozzle mounting seat, comprise the main body of up/down perforation and the moving valve core that is arranged on body interior, in described main body, be provided with seal boss, the sealing projection at described moving valve core middle part coordinate with seal boss body interior is divided into separate upper, lower chambers, at described main body internal upper part, being provided with spring mounting seat forms, on the valve rod of described top, be provided with spring, described sealing projection fits tightly with seal boss under the effect of spring, in described main body, bottom is provided with guide pad, the lower end of the bottom valve rod of described moving valve core is placed in the installation groove at guide pad center.The utility model can be installed to the former nozzle position of fine water mist fire-extinguishing system pipe network before pipe network pressure testing, need to be when pressure testing, after pressure testing or during mounting spray head, remove, it plays the effect that stops water or other firing-fighting mediums to flow out in the time of can and taking off shower nozzle in pressure testing, and after shower nozzle has been installed, also can guarantee the proper flow of water or other firing-fighting mediums.
Description
Technical field
The utility model belongs to fire-fighting equipment technical field, particularly a kind of multifunctional nozzle mount pad for high, medium and low voltage fine water mist fire-extinguishing system pipe network.
Background technology
At present, fine water mist fire-extinguishing system pipe network is after installation in position, all need to carry out the pressure testing of pipe network, during pressure testing, need to process special plug is installed on nozzle position, in large-scale fine water mist fire-extinguishing system pipe network, nozzle position quantity is more, so the plug that will process is also many, the workload of processing, installation plug is all larger; After pressure testing, need to take off plug mounting spray head again, the workload of taking off plug is also larger, simultaneously, although control firing-fighting medium flows to the valve of shower nozzle and closes, but because pipeline is longer, be trapped in ducted water or other firing-fighting mediums are many, can flow on floor or other places, the personnel that carry out shower nozzle installation are also easy to suffer the splash of water or other firing-fighting mediums.After the mounting spray head under fine water mist fire-extinguishing system pipe network normal operation, if carry out maintenance or the replacing of shower nozzle, need to close the water supply valve of whole region pipe network, when changing shower nozzle, the water being trapped in pipe network pipeline can flow out and cause water damage equally, and replacing personnel also can suffer splash.For fear of water damage and staff, suffer splash, just need to make water dry or water or other firing-fighting medium shutoff in pipe network, and after guaranteeing that again shower nozzle installs, water or other firing-fighting medium energy proper flow, operation very bothers.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of in the situation that can not affecting the normal work of fine water mist fire-extinguishing system, effectively guarantee when pipe network pressure testing, before mounting spray head, maintenance or while changing shower nozzle, the multifunctional nozzle mount pad that the firing-fighting medium in pipe network can not flow out.
The technical solution of the utility model is achieved in that a kind of nozzle mounting seat, it is characterized in that: comprise the main body of up/down perforation and the moving valve core that is arranged on body interior, in described main body, be provided with seal boss, the sealing projection at described moving valve core middle part coordinate with seal boss body interior is divided into separate upper, lower chambers, described upper chamber is connected with fire extinguishing pipe network, described lower chambers is connected with shower nozzle, at described main body internal upper part, being provided with spring mounting seat forms, the valve rod upper end, top of described moving valve core forms through spring mounting seat, on the valve rod of described top, between spring mounting seat composition and sealing projection upper surface, be provided with spring, described spring is in compressive state, described sealing projection fits tightly with seal boss under the effect of spring, in described main body, bottom is provided with guide pad, the lower end of the bottom valve rod of described moving valve core is placed in the installation groove at guide pad center.
Nozzle mounting seat described in the utility model, described in it, spring mounting seat forms and comprises the block that is fixedly installed on the back-up ring in main body and is arranged on back-up ring below, at described block center, be provided with central through hole, in valve rod upper end, the top centering through hole of described moving valve core.
Nozzle mounting seat described in the utility model, described in it, the upper surface of seal boss is tapered, and the lower surface of described sealing projection is the taper surface matching with seal boss upper surface shape.
Nozzle mounting seat described in the utility model, it is provided with sealing ring on described sealing projection, between sealing projection and seal boss.
Nozzle mounting seat described in the utility model, its bottom chamber in described main body is provided with the spigot surface that moves up and down for guide pad and for the guide seal cover of mounting spray head.
Nozzle mounting seat described in the utility model, it is provided with some through holes on described guide pad and block.
Nozzle mounting seat described in the utility model, described in it, main body is connected with fire extinguishing pipe network by internal thread or external screw thread.
The utility model can be installed to the former nozzle position of fine water mist fire-extinguishing system pipe network before pipe network pressure testing, in the process of pipe network pressure testing, can play the effect that replaces plug, and need to be when pressure testing, after pressure testing or during mounting spray head, remove, it plays the effect that stops water or other firing-fighting mediums to flow out in the time of can and taking off shower nozzle in pressure testing, and not taking off under the prerequisite of multifunctional nozzle mount pad, after being installed, shower nozzle also can guarantee the proper flow of water or other firing-fighting mediums.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the fine mist spray head structural representation that current fine water mist fire-extinguishing system generally adopts.
Fig. 3 is the structural representation after the utility model is connected with fine mist spray head.
Fig. 4 is the structural representation that the utility model adopts internal thread mode to be connected with fire extinguishing pipe network.
Mark in figure: 1 is main body, 2 is moving valve core, 2a is sealing projection, 2b is top valve rod, and 2c is bottom valve rod, and 3 is seal boss, 4aWei upper chamber, 4b is lower chambers, 5 is spring, 6 is guide pad, and 7 is back-up ring, and 8 is block, through hole centered by 9,10 is sealing ring, 11a is spigot surface, 11b is guide seal cover, and 12 is shower nozzle.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, shown in 2 and 3, a kind of nozzle mounting seat, comprise the main body 1 of up/down perforation and the moving valve core 2 that is arranged on main body 1 inside, in described main body 1, be provided with seal boss 3, it is separate upper that the sealing projection 2a at described moving valve core 2 middle parts coordinates with seal boss 3 main body 1 interior separation, lower chambers 4a, 4b, tapered of the upper surface of described seal boss 3, the lower surface of described sealing projection 2a is the taper surface matching with seal boss 3 upper surface shapes, on described sealing projection 2a, between sealing projection 2a and seal boss 3, be provided with sealing ring 10, the described 4a of upper chamber is connected with fire extinguishing pipe network, described lower chambers 4b is connected with shower nozzle 12.
Wherein, at described main body 1 internal upper part, being provided with spring mounting seat forms, described spring mounting seat forms and comprises the back-up ring 7 being fixedly installed in main body 1 and the block 8 that is arranged on back-up ring 7 belows, at described block 8 centers, be provided with central through hole 9, in valve rod 2b upper end, the top centering through hole 9 of described moving valve core 2, valve rod upper end, described top can be through the central through hole of block, on described top valve rod 2b, between spring mounting seat composition and sealing projection 2a upper surface, be provided with spring 5, described spring 5 is in compressive state, described sealing projection 2a fits tightly with seal boss 3 under the effect of spring 5, in the interior bottom of described main body 1, be provided with guide pad 6, the lower end of the bottom valve rod 2c of described moving valve core 2 is placed in the installation groove at guide pad 6 centers, on described guide pad 6 and block 8, be provided with some fan-shaped through holes that are, in the lower chambers 4b of described main body 1, be provided with the spigot surface 11a that moves up and down for guide pad 6 and for the guide seal cover 11b of mounting spray head 12.
In the present embodiment, on described guide pad, be provided with three and be fan-shaped through hole, for guaranteeing that the smooth and easy of firing-fighting medium passes through, and be unlikely to stop up shower nozzle entrance, on guide pad, also there is the groove that a lower valve boom end that can receive moving valve core adapts, guiding for guide pad and moving valve core is fixed, and can guide along media flow the movement of moving valve core in the other direction; Block and guide pad shape are similar, have three scallop holes, for guaranteeing that the smooth and easy of firing-fighting medium passes through, it should be noted that the middle hole associated with moving valve core of block is necessary for through hole, so that moving valve core is upwards normal mobile; Back-up ring is gauge orifice back-up ring.For stopping the movement of the parts such as block, play spacing effect.
The structural representation of nozzle mounting seat when Fig. 1 shows mounting spray head not, now this nozzle mounting seat is in sealed condition, firing-fighting medium by shutoff in upper chamber, in Fig. 1, the lower conical surface of moving valve core and the taper surface in main body are close to, spring between block and moving valve core in its pre-compressed state, spring force and firing-fighting medium gravity act on moving valve core simultaneously, rubber seal on moving valve core is close to main body inner conical face, play sealing function, make multifunctional nozzle mount pad in sealed condition, form upper and lower two chambers; In Fig. 3, show nozzle mounting seat shower nozzle state has afterwards been installed, upper chamber is communicated with lower chambers, and now nozzle mounting seat is in opening.As shown in Figure 3, shower nozzle end face promotes guide pad and moving valve core, the Compress Spring that makes progress, and two conical seal (contact) faces are separated, and upper and lower chamber becomes a path, and firing-fighting medium arrives shower nozzle from pipe network by this path, and realization is normally worked.
By Fig. 1, to Fig. 3 analysis, can be found out, the effect that moving valve core plays is taper surface and the guiding of spring and the guiding of guide pad in sealed body, can imagine, moving valve core also can be by other alterations of form in the situation that not changing function, also required requirement can be met, such as being shaped as the spherical situations such as taper surface sealing of utilizing between change two conical surfaces, also above requirement can be met.
In the present embodiment, described main body is connected with fire extinguishing pipe network by external screw thread.
As shown in Figure 4, described main body 1 also can be connected with fire extinguishing pipe network by internal thread, on its applicable pipe with small pipe diameter fine water mist fire-extinguishing system pipe network, be externally threaded situation, can meet like this installation requirement of different tube diameters pipe network straight tube, its operation principle is identical with externally threaded nozzle mounting seat.
Operation principle of the present utility model: before shower nozzle is installed, utilize spring force that the sealing projection taper surface of moving valve core in nozzle mounting seat and the taper surface of the interior seal boss of main body are close to, the pressure-acting of firing-fighting medium is in the sealing projection upper surface of moving valve core simultaneously, the rubber seal that utilization is embedded on moving valve core sealing projection plays sealing function, make to form in main body two independently chambers, upper chamber connects fine water mist fire-extinguishing system pipe network, lower chambers is used for connecting shower nozzle, this just can make before shower nozzle is installed, water or other firing-fighting mediums can not flowed out to beyond thought place by shutoff in upper chamber, now this nozzle mounting seat is in sealed condition.During mounting spray head, precession along with shower nozzle screw thread, can promote to be connected to the guide pad on moving valve core, and then promotion moving valve core, upper and lower chamber is communicated with, and water or other firing-fighting mediums flow under the influence of gravity into lower chambers, enter shower nozzle, guarantee that after shower nozzle is installed firing-fighting medium can proper flow, now the upper and lower chamber of this nozzle mounting seat is in connected state.The hermetic unit of shower nozzle and nozzle mounting seat is positioned at the sealing surface of main body lower end, utilize the O-ring seals on shower nozzle to reach sealing effectiveness, when this has also guaranteed that shower nozzle is not in place completely in mounting spray head process, water is unlikely to a large amount of spilling by screw thread, even if shower nozzle screw thread does not screw, do not affect normal sealing yet and use.The in the situation that of shower nozzle maintenance or replacing, also can serve the same role.When shower nozzle is removed, this nozzle mounting seat can return to sealed condition from connected state again under the pressure-acting of spring force, gravity and firing-fighting medium.In order to meet the requirement of different tube diameters fine water mist fire-extinguishing system pipe network, nozzle mounting seat of the present utility model has designed two kinds of connecting threads, and internal thread is connected with external screw thread.
Adopt effect of the present utility model to be: fine mist spray head is before being installed to nozzle mounting seat, and nozzle mounting seat is in sealed condition, and water or other firing-fighting mediums in upper chamber, are played the effect of plug by shutoff in pipe network pressure testing.After pipe network pressure testing, in not emptying pipe network, water or other firing-fighting mediums in the situation that, fine mist spray head can be directly installed, even if be full of water in pipe network, also only can when not contacting with nozzle mounting seat sealing surface, shower nozzle occur very small amount of leakage can not causing large area water damage.As shown in the Examples, after thin water smoke pipe network pressure testing, need not take off nozzle mounting seat, direct mounting spray head, after fine mist spray head is installed on nozzle mounting seat, upper and lower chamber connection, water or other firing-fighting medium proper flow.As previously mentioned; the use of multifunctional nozzle mount pad; reduced in work and processed special pipe network plug; after pressure testing, take off this course of work of plug, use manpower and material resources sparingly and the time, particularly when safeguarding installation; the replacing of indivedual shower nozzles need not be turned off the water source of whole pipe network; also residual water or other firing-fighting mediums in need not emptying pipe network can be changed shower nozzle at fine water mist fire-extinguishing system in non-stop-machine situation, guarantees the region beyond maintenance span to remain on guard mode always.
The foregoing is only the preferred embodiment of the utility model type; not novel in order to limit the utility model; all any modifications of doing within the novel spirit of the utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a nozzle mounting seat, it is characterized in that: comprise the main body (1) of up/down perforation and be arranged on the inner moving valve core (2) of main body (1), in described main body (1), be provided with seal boss (3), it is separate upper that the sealing projection (2a) at described moving valve core (2) middle part coordinates with seal boss (3) main body (1) interior separation, lower chambers (4a, 4b), described upper chamber (4a) is connected with fire extinguishing pipe network, described lower chambers (4b) is connected with shower nozzle (12), at described main body (1) internal upper part, being provided with spring mounting seat forms, top valve rod (2b) upper end of described moving valve core (2) forms through spring mounting seat, on described top valve rod (2b), between spring mounting seat composition and sealing projection (2a) upper surface, be provided with spring (5), described spring (5) is in compressive state, described sealing projection (2a) fits tightly with seal boss (3) under the effect of spring (5), in described main body (1), bottom is provided with guide pad (6), the lower end of the bottom valve rod (2c) of described moving valve core (2) is placed in the installation groove at guide pad (6) center.
2. nozzle mounting seat according to claim 1, it is characterized in that: described spring mounting seat forms and comprises the block (8) that is fixedly installed on the back-up ring (7) in main body (1) and is arranged on back-up ring (7) below, at described block (8) center, be provided with central through hole (9), in top valve rod (2b) the upper end centering through hole (9) of described moving valve core (2).
3. nozzle mounting seat according to claim 2, is characterized in that: tapered of the upper surface of described seal boss (3), the lower surface of described sealing projection (2a) is the taper surface matching with seal boss (3) upper surface shape.
4. nozzle mounting seat according to claim 3, is characterized in that: between, sealing projection (2a) upper at described sealing projection (2a) and seal boss (3), be provided with sealing ring (10).
5. nozzle mounting seat according to claim 1, is characterized in that: in the lower chambers (4b) of described main body (1), be provided with the spigot surface (11a) that moves up and down for guide pad (6) and for the guide seal cover (11b) of mounting spray head (12).
6. nozzle mounting seat according to claim 2, is characterized in that: on described guide pad (6) and block (8), be provided with some through holes.
7. according to the nozzle mounting seat described in any one in claim 1 to 6, it is characterized in that: described main body (1) is connected with fire extinguishing pipe network by internal thread or external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424188.8U CN203972210U (en) | 2014-07-30 | 2014-07-30 | A kind of nozzle mounting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420424188.8U CN203972210U (en) | 2014-07-30 | 2014-07-30 | A kind of nozzle mounting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203972210U true CN203972210U (en) | 2014-12-03 |
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ID=51969694
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420424188.8U Active CN203972210U (en) | 2014-07-30 | 2014-07-30 | A kind of nozzle mounting seat |
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| Country | Link |
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| CN (1) | CN203972210U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775815A (en) * | 2015-03-30 | 2015-07-15 | 湖南科技大学 | Spray nozzle mounting pedestal in drum shearer |
| CN107715350A (en) * | 2017-11-08 | 2018-02-23 | 诸暨市海王消防设备有限公司 | A kind of intelligent fire sprinkler tip merogenesis opens and closes valve arrangement |
| CN113546358A (en) * | 2021-07-29 | 2021-10-26 | 广东电网有限责任公司 | Hydraulic fire extinguisher |
-
2014
- 2014-07-30 CN CN201420424188.8U patent/CN203972210U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775815A (en) * | 2015-03-30 | 2015-07-15 | 湖南科技大学 | Spray nozzle mounting pedestal in drum shearer |
| CN107715350A (en) * | 2017-11-08 | 2018-02-23 | 诸暨市海王消防设备有限公司 | A kind of intelligent fire sprinkler tip merogenesis opens and closes valve arrangement |
| CN113546358A (en) * | 2021-07-29 | 2021-10-26 | 广东电网有限责任公司 | Hydraulic fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: VITALONG FIREFIGHTING SAFETY GROUP CO., LTD. Free format text: FORMER NAME: SICHUAN WEITELONG FIRE EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee after: Witter joint-stock company of dragon security against fire group Address before: 611731 Chengdu high tech West West Road, No. 99, attached to No. 9, No. Patentee before: Sichuan Weitelong Fire Fighting Equipment Co., Ltd. |