CN2461590Y - Discharge valve for automatic discharging residual foam or fire extinguisheng agent from hydrant, turret or sprayer head - Google Patents
Discharge valve for automatic discharging residual foam or fire extinguisheng agent from hydrant, turret or sprayer head Download PDFInfo
- Publication number
- CN2461590Y CN2461590Y CN 00254890 CN00254890U CN2461590Y CN 2461590 Y CN2461590 Y CN 2461590Y CN 00254890 CN00254890 CN 00254890 CN 00254890 U CN00254890 U CN 00254890U CN 2461590 Y CN2461590 Y CN 2461590Y
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- CN
- China
- Prior art keywords
- aperture
- drain valve
- shower nozzle
- fire hydrant
- gun turret
- 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 - Lifetime
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Nozzles (AREA)
Abstract
The utility model relates to a drain valve used for automatically eliminating remanent extinguishing agent (liquid) or foam in a hydrant, or a turret/spray head. A threaded hole which is communicated with a water inlet is arranged on the lower part of a base body of the spray head, or the turret or the hydrant, a drain valve is screwed on the threaded hole, and the drain valve comprises a hollow pipe element and a screw cap, wherein, the inside of the hollow pipe element is provided with a stainless steel ball which can movably roll in the hollow pipe element; the screw cap is screwed at one end of the hollow pipe element, and a small through hole is arranged in the screw cap. The diameter of the stainless steel ball is more than the diameter of the small through hole in order to block the small through hole.
Description
The utility model relates to a kind of drain valve with remaining foam in automatic eliminating fire hydrant, gun turret or the shower nozzle or extinguishing chemical (liquid), particularly at No. the 87205279th, patent case " have automatic eliminating monitor tower/or shower nozzle in the drain valve structure of remaining foam or extinguishing chemical (liquid) " improvement again.
No. the 87205279th, patent case " drain valve structure " with the interior remaining foam of automatic eliminating monitor tower or shower nozzle or extinguishing chemical (liquid), as shown in Figure 1, it establishes a screw 3 that communicates with water inlet 2 at the base body b below of monitor tower or shower nozzle (or fire hydrant) appropriate location, and in this screw, establish a body 40, compression spring 41, the drain valve 4 that an O type ring 42 and a filler block 43 are formed, default external screw thread 402 by body 40 is screwed together in the screw 3, make it replacing compression spring 41, pass in screw 3 by compression spring 41 compressing filler blocks 43 again, therefore, when monitor tower or shower nozzle are in the use (the water inlet switch of monitor tower or shower nozzle is in the breakdown state), the hydraulic pressure that is produced in it, passing filler block 43 outside (promptly to the osculum direction) moves, make the O type ring 42 that is placed on the second heavy flange 431 form the packing state, and the first heavy flange 430 stretches into and blocks osculum 401 in the osculum 401, reach the purpose of dual sealing, as shown in Figure 2, otherwise, when the water inlet switch of monitor tower or shower nozzle is in closed condition, hydraulic pressure in monitor tower or the shower nozzle disappears immediately, when the time comes, filler block 43 is past interior (being the water inlet direction) automatic shift by the restitution of compression spring 41, making originally, compacted O type ring 42 is releasing orientation immediately, the first heavy flange 430 of blocking osculum 401 also breaks away from osculum 401, make osculum 401 be in opening, extinguishing chemical (liquid) remaining in monitor tower or the shower nozzle can be discharged by osculum 401, as shown in Figure 3, reach extinguishing chemical (liquid) purpose that to get rid of remnants in monitor tower or the shower nozzle automatically.
No. the 87205279th, patent case " have automatic eliminating monitor tower/or shower nozzle in the drain valve structure of remaining foam or extinguishing chemical (liquid) ", because of special space kenel and practical effect with initiative, make it that a kind of drain valve structure of getting rid of fully automatically remaining foam in monitor tower or the shower nozzle or extinguishing chemical can be provided in fire-fighting circle, thereby be awarded patent right, be that publication number is 147446, the application will further be improved on this basis, improves the structure of this drain valve more.
The purpose of this utility model is to provide the drain valve of remaining foam in a kind of automatic eliminating monitor tower, fire hydrant or the shower nozzle or extinguishing chemical, and it improves its structure on above-mentioned patent basis, make its assembly few, simple in structure and make easily, cost is low.
The purpose of this utility model is to realize like this, promptly provide a kind of automatic eliminating fire hydrant, gun turret/or shower nozzle in the drain valve of surplus extinguishing chemical (liquid) or foam, it is provided with a screw that communicates with water inlet below fire hydrant or gun turret or showerhead base body, spiral shell is established a drain valve on described screw, described drain valve comprises a hollow pipe fitting, is installed with one in it and can rolls the stainless shot that moves therein; Reach the nut that is spirally connected with described hollow pipe fitting one end, have an aperture that runs through in the described nut, the diameter of described stainless shot is greater than described aperture, in order to block described aperture.
When fire hydrant or gun turret or shower nozzle are in running order, interior extinguishing chemical (liquid) of fire hydrant or gun turret or shower nozzle or the hydraulic pressure that fire foam produced, force described stainless shot to roll to the aperture place of nut and be positioned at the position of blocking described aperture, described extinguishing chemical (liquid) or fire foam all concentrate on the exit of fire hydrant or gun turret or shower nozzle; When fire hydrant or gun turret or shower nozzle are in unused state, hydraulic pressure in fire hydrant or gun turret or the shower nozzle disappears, stainless shot moves on to original position because of its gravity rolls automatically, the water hole of described nut is in opening, is used for remaining extinguishing chemical (liquid) or foam are discharged fire hydrant or gun turret or shower nozzle automatically by described water hole.
Just, when fire hydrant or gun turret or shower nozzle when using, the hydraulic pressure that extinguishing chemical (liquid) or fire foam produce in fire hydrant or gun turret or the shower nozzle, force stainless shot to roll and block this aperture to the aperture place of nut, reach the purpose of sealing, make extinguishing chemical (liquid) or fire foam all concentrate on the exit of fire hydrant or gun turret or shower nozzle, to improve hydraulic pressure fire extinguishing effect, and be in when not using when fire hydrant or gun turret or shower nozzle, because of the hydraulic pressure in fire hydrant or gun turret or the shower nozzle disappears, stainless shot is rolled automatically because of the gravity relation move to original position, thereby make the water hole of nut be in opening, remaining extinguishing chemical (liquid) or foam can be discharged outside fire hydrant or gun turret or shower nozzle automatically by this water hole.
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail, wherein:
Fig. 1 is the three-dimensional exploded view of existing No. 87205279 " the drain valve structure with the interior remaining foam of automatic eliminating monitor tower or shower nozzle or extinguishing chemical (liquid) ";
The view of Fig. 2 when being subjected to hydraulic pressure on the gun turret of existing No. 87205279 " drain valve structure " or the showerhead base body with remaining foam in automatic eliminating monitor tower or the shower nozzle or extinguishing chemical (liquid);
Fig. 3 is the view during no hydraulic pressure on the gun turret of existing No. 87205279 " the drain valve structure with remaining foam in automatic eliminating monitor tower or the shower nozzle or extinguishing chemical (liquid) " or the showerhead base body;
Fig. 4 is a three-dimensional exploded view of the present utility model;
View when Fig. 5 is subjected to hydraulic pressure for the utility model is arranged on fire hydrant or gun turret or the showerhead base body;
View when Fig. 6 is arranged on fire hydrant or gun turret or the showerhead base body no hydraulic pressure for the utility model.
See also Fig. 4-shown in Figure 6, it is three-dimensional exploded view of the present utility model and effect action schematic diagram.By diagram as can be known, drain valve 4 structures that the utility model is primarily aimed at No. 87205279 " the drain valve structure with the interior remaining foam of automatic eliminating monitor tower or shower nozzle or extinguishing chemical (liquid) " make improvements again, it is by respectively offering the external screw thread 440 of a suitable length on end, a hollow pipe fitting 44 front and back, wherein an end external screw thread 440 is for the usefulness that is bolted on the upward default screw 3 of fire hydrant or gun turret or showerhead base body b, the other end is offered hollow hole for large aperture 441 and prolonged suitable length, large aperture 441 is a taper hole 442 with the convergence hole of hollow hole, be installed with the footpath stainless shot 45 suitable always in the large aperture 441 with it, establish one by external screw thread 440 spiral shells of large aperture 441 ends and have the nut 46 that runs through aperture, promptly this nut 46 removes the external diameter that has with external screw thread 440, outside the internal thread (screw) 460 that pitch equates, also has the small-bore of running through 461 simultaneously, this small-bore 461 also is a taper hole 462 with the convergence hole of screw 460, effect by this taper hole 462, make when fire hydrant or gun turret or shower nozzle are in the use (when the water inlet switch of fire hydrant or gun turret or shower nozzle is in opening), the hydraulic pressure (promptly being caused) that is produced in it by extinguishing chemical or extinguishing fluid, passing stainless shot 45 rolls to taper hole 462, block at last in these taper hole 462 places, reach the purpose of sealing, as shown in Figure 5, extinguishing chemical (liquid) can all be concentrated on directly increases hydraulic pressure on fire hydrant or gun turret or the shower nozzle, improve the injection intensity or the height of syringe nozzle, otherwise, when the water inlet switch of fire hydrant or gun turret or shower nozzle is in closed condition, hydraulic pressure in fire hydrant or gun turret or the shower nozzle disappears immediately, when the time comes, steel ball 45 promptly rolls automatically by the ramp effect of gravity and taper hole 462 and moves to 441 places, large aperture, make the taper hole 462 that originally is plugged be in opening, thereby extinguishing chemical (liquid) remaining in fire hydrant or gun turret or the shower nozzle can be discharged outside fire hydrant or gun turret or shower nozzle via this taper hole 462, as shown in Figure 6, reach extinguishing chemical (liquid) purpose that to get rid of remnants in fire hydrant or gun turret or the shower nozzle automatically.
The advantage of the utility model device is, by the drain valve structure that is installed with a steel ball in the hollow pipe fitting and the nut that is spirally connected is formed, not only have effects such as can getting rid of extinguishing chemical (liquid) remaining in fire hydrant or gun turret or the shower nozzle or fire foam automatically, and because of its manufacturing cost that can reduce greatly simple in structure; Owing to control the small-bore that fire hydrant or gun turret or shower nozzle are in use closed nut fully automatically with the rolling of stainless shot, extinguishing chemical (liquid) or fire foam can all be concentrated on fire hydrant or gun turret or the shower nozzle, in order to direct increase hydraulic pressure, improve the injection intensity or the height of syringe nozzle, and control fire hydrant or gun turret or shower nozzle are opened nut fully when not using small-bore automatically, extinguishing chemical (liquid) remaining in fire hydrant or gun turret or the shower nozzle or foam can be discharged by this small-bore fully, therefore it is really clean that it gets rid of remaining extinguishing chemical (liquid) or fire foam effect automatically, also do not have compression spring day puzzlements such as elastic fatigue long afterwards simultaneously.
In sum, the utility model provide a kind of have automatic eliminating fire hydrant gun turret/or shower nozzle in the drain valve of remaining foam or extinguishing chemical (liquid), mainly be to establish on fire hydrant or gun turret or the showerhead base body screw that communicates with water inlet, and in this screw, establish a drain valve, this drain valve structure is provided with an externally threaded hollow pipe fitting and a stainless shot and is had the nut that runs through aperture by a front and back end to be formed, wherein stainless shot is arranged in the large aperture of hollow pipe fitting, nut is screwed together in the end, large aperture of hollow pipe fitting, make stainless shot be set at unlikely rolling out outside the hole in the large aperture fully, whether be subjected to the extinguishing chemical contention effect in fire hydrant or gun turret or the shower nozzle to roll the aperture that runs through that moves and block nut by stainless shot, can get rid of remaining extinguishing chemical or fire foam in fire hydrant or gun turret or the shower nozzle automatically and reach.
Claims (2)
1. get rid of the drain valve that remains extinguishing chemical or foam in fire hydrant, gun turret or the shower nozzle automatically for one kind, it is provided with a screw that communicates with water inlet below fire hydrant or gun turret or showerhead base body, spiral shell is established a drain valve on described screw, it is characterized in that, described drain valve comprises a hollow pipe fitting, is installed with one in it and can rolls the stainless shot that moves therein; Reach the nut that is spirally connected with described hollow pipe fitting one end, have an aperture that runs through in the described nut, the diameter of described stainless shot is greater than described aperture, in order to block described aperture.
2. the drain valve of surplus extinguishing chemical or foam in automatic eliminating fire hydrant as claimed in claim 1, gun turret or the shower nozzle, it is characterized in that, described hollow pipe fitting front and back end offers external screw thread, the usefulness that one end external screw thread is spirally connected for described screw, other end external thread bolt connection one has the nut that runs through aperture, and described end has hollow hole, it is for the large aperture and prolong a length, described large aperture is connected the small-bore part and forms taper hole, stainless shot is arranged in the large aperture, and the screw of nut also is taper hole with the interface that runs through aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254890 CN2461590Y (en) | 2000-09-11 | 2000-09-11 | Discharge valve for automatic discharging residual foam or fire extinguisheng agent from hydrant, turret or sprayer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00254890 CN2461590Y (en) | 2000-09-11 | 2000-09-11 | Discharge valve for automatic discharging residual foam or fire extinguisheng agent from hydrant, turret or sprayer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2461590Y true CN2461590Y (en) | 2001-11-28 |
Family
ID=33612039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00254890 Expired - Lifetime CN2461590Y (en) | 2000-09-11 | 2000-09-11 | Discharge valve for automatic discharging residual foam or fire extinguisheng agent from hydrant, turret or sprayer head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2461590Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178364A (en) * | 2016-08-24 | 2016-12-07 | 上海乌迪电子科技有限公司 | A kind of drainage arrangement, fire-fighting system and using method |
-
2000
- 2000-09-11 CN CN 00254890 patent/CN2461590Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106178364A (en) * | 2016-08-24 | 2016-12-07 | 上海乌迪电子科技有限公司 | A kind of drainage arrangement, fire-fighting system and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100911 Granted publication date: 20011128 |