CN202052246U - Leak stopper for firefighting sprayer - Google Patents
Leak stopper for firefighting sprayer Download PDFInfo
- Publication number
- CN202052246U CN202052246U CN2011201573515U CN201120157351U CN202052246U CN 202052246 U CN202052246 U CN 202052246U CN 2011201573515 U CN2011201573515 U CN 2011201573515U CN 201120157351 U CN201120157351 U CN 201120157351U CN 202052246 U CN202052246 U CN 202052246U
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- sprayer
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- support sheet
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Abstract
The utility model belongs to the technical field of firefighting, and particularly relates to a leak stopper for a firefighting sprayer. The leak stopper comprises a butterfly nut, a semispherical seal part, a U-shaped clip, a screw, a flat plate and a wedge block, wherein the U-shaped clip consists of an L-shaped upper supporting sheet and an L-shaped lower supporting sheet. The wedge block is pushed into the U-shaped clip consisting of the L-shaped upper supporting sheet and the L-shaped lower supporting sheet by screwing on the butterfly nut, so that the U-shaped clip is stretched outwards, the hemispherical seal part adhered on the upper portion of the L-shaped upper supporting sheet is plugged to a water spray nozzle of the sprayer, and the wedge block is pushed into the U-shaped clip constantly along with screwing off of the butterfly nut until leakage of the water spray nozzle of the sprayer is stopped. The leak stopper for the firefighting sprayer is simple and convenient to manufacture, small in size, attractive in appearance and simple in operation, is high-efficient and practical, and can be operated by one person only when the firefighting sprayer ejects accidently, namely can stop water of the sprayer quickly within a short time.
Description
Technical field
The utility model belongs to the fire prevention field, is specifically related to a kind of fire-fighting spraying head leak stopping device.
Background technology
According to the regulation of country's " Code for fire protection design of buildings ", the use that the industry and the fire-fighting systems of civil buildings are all a large amount of the fire-fighting spraying head.The glass marble of spray head or fusible link when shower nozzle is heated, because the working solution in the glass marble has an effect, burst spheroid or owing to the fusing of fusible link, come off and open water jet, fire water sprays along water jet, plays the effect of fire extinguishing.
Spray head is in closed condition at ordinary times, but because unexpected factor and accident (as artificial destruction, accidental impact, closely heat source near, low temperature bursting by freezing, product quality problem etc.), all might cause the unexpected eruption of fire-fighting spraying head.In case this class accident takes place, conventional processing method is: the notice fire protection control room, the fire-fighting spraying water pump is shut down; close the water inlet total valve of this fire-fighting system, open emptying valve simultaneously, with the whole emptyings of water in this fire-fighting system pipeline; after the accident spray head for the treatment of stops water spray, change spray head.This process needs dozens of minutes at least, during the fire water that sprayed of accident spray head, not only to causing direct and indirect loss in the building, simultaneously,, also be great potential safety hazard because whole spraying system of fire fighting all is in halted state.
Especially large tracts of land is used the place of spraying system of fire fighting, as warehouse, office building, public place of entertainment, airport, station etc., spraying system of fire fighting should prevent unplanned situation out of service as far as possible, so, in case meet accident, must leak stopping in the shortest time, maybe with the fire water of ejection, water pipe temporarily drains into sewerage.
Summary of the invention
The purpose of this utility model is to provide a kind of fire-fighting spraying head leak stopping device that can rapidly the spray head water spray of accident eruption be blocked at short notice.
The fire-fighting spraying head leak stopping device of the utility model design is by with the lower part: butterfly nut 1, hemisphere seal 2(rubber or PTFE), L shaped go up support sheet 3, the L shaped sheet 4 of support down, screw rod 5, dull and stereotyped 6 and wedge 7 form.
A kind of fire-fighting spraying head leak stopping device of the present utility model, its butterfly nut 1 is commercial standard cap, for preventing to become flexible, should add flat shim and spring shim during connection.Butterfly nut 1 is connected with screw rod 5 couplings.
Fire-fighting spraying head leak stopping device of the present utility model, its hemisphere seal 2 by the orbicule of diameter 14-16mm, is divided into two and makes, and fixing (using the AB glue bond) supports on the sheet 3 on L shaped.
Fire-fighting spraying head leak stopping device of the present utility model, it is L shaped goes up support sheet 3, the L shaped sheet 4 of support is down formed by the corrosion resistant plate bending, and size is according to the model difference of spray head, specific design and decide respectively, the while welds together according to shown in Figure 1.Be that the L shaped outside of going up support sheet 3 end wing is fixing with the inboard welding in end of the L shaped sheet of support down 4 end wing, the L shaped flank of going up support sheet 3 is at regular intervals with the L shaped flank that supports sheet 4 down, forms U-shaped and presss from both sides shape.Corrosion resistant plate thickness is 1.5-2.5mm.
Fire-fighting spraying head leak stopping device of the present utility model, an end of its screw rod 5 and the small end face of wedge 7 are connected and fixed; Screw rod 5 is processed by stainless steel or ordinary carbon steel with wedge 7, can be the workpiece of one, welds together after also can processing respectively again.
Fire-fighting spraying head leak stopping device of the present utility model, its flat board 6 is that the corrosion resistant plate of 2-3.5mm is made by thickness, size is according to the model difference of spray head, specific design and deciding respectively, simultaneously according to Fig. 1 with shown in Figure 3ly weld together with wedge 7, promptly flat board 6 is weldingly fixed on the prism of wedge 7.Generally speaking, dull and stereotyped 6 length is consistent with the length of a prism of wedge 7, and dull and stereotyped 6 width is greater than the thickness of a prism of wedge 7.
Fire-fighting spraying head leak stopping device of the present utility model, its function is by tightening butterfly nut 1, make wedge 7 to going up propelling in the U-shaped folder that support sheet 3 and the L shaped sheet 4 of support down form by L shaped, cause the U-shaped folder outwards to strut, and be bonded in L shaped hemisphere rubber (or PTFE) seal 2 of going up the support sheet 3 flanks outside, and just in time get lodged in the water jet 8 of spray head, tighten butterfly nut 1 along with what do not stop, the propelling that wedge 7 does not stop in U-shaped folder is till the water jet 8 of spray head is water-tight.See shown in Figure 6.
Fire-fighting spraying head leak stopping device of the present utility model when fire-fighting spraying hair business external eruption, only needs one man operation, can in very short time, rapidly the spray head water spray be blocked, and simple to operate, highly effective.
A kind of fire-fighting spraying head leak stopping device of the present utility model, its making is simple and convenient, and profile is small and exquisite, and is safe and reliable.
Description of drawings
Fig. 1 is the front view of a kind of fire-fighting spraying head of the utility model leak stopping device.
Fig. 2 is that the A of a kind of fire-fighting spraying head of the utility model leak stopping device is to side view.
Fig. 3 is that the B of a kind of fire-fighting spraying head of the utility model leak stopping device is to side view.
Fig. 4 is that the showerhead configuration C that is suitable for of a kind of fire-fighting spraying head of the utility model leak stopping device is to front view.
Fig. 5 is the showerhead configuration side view that a kind of fire-fighting spraying head of the utility model leak stopping device is suitable for.
Fig. 6 is the working state schematic representation of a kind of fire-fighting spraying head of the utility model leak stopping device.
Number in the figure: 1 is butterfly nut, and 2 is the hemisphere seal, and 3 is the L shaped support sheet of going up, and 4 is L shaped support sheet down, and 5 is screw rod, and 6 is dull and stereotyped, and 7 is wedge, and 8 is water jet, and 9 is the spray head support, and 10 is splash box, and 11 is glass marble, and 12 is adjusting screw(rod).
The specific embodiment
Following examples are used to illustrate the utility model.
Shown in Fig. 1, the fire-fighting spraying head leak stopping device of present embodiment is a butterfly nut by 1, and 2 is hemisphere rubber (or PTFE) seal, and 3 is L shaped upward support sheet, and 4 is the L shaped sheet of support down, and 5 is screw rod, and 6 is that flat board and 7 is the wedge composition.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, its butterfly nut 1 is commercial standard cap, for preventing to become flexible, should add flat shim and spring shim during connection.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, its hemisphere rubber (or PTFE) seal 2, by diameter 14-16mm orbicule, be divided into two and make, and support on the sheet 3 on L shaped with the AB glue bond, particular location is determined according to the model of spray head.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, it is L shaped goes up support sheet 3, the L shaped sheet 4 of support is down formed by the corrosion resistant plate bending of thick 2mm, length is 28-32mm, width as shown in Figure 3, the top is 16-20mm, bottom is 9-11mm.Its lap welds together with argon arc welding, lap as shown in Figure 3, high 4-6mm, wide 16-20mm.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, its screw rod 5 is processed by stainless steel or ordinary carbon steel with wedge 7, it can be the workpiece of one, weld together after also can processing respectively, screw rod is the standard thread of diameter M6-8, length 30-40mm again.The length of wedge 7 is 25-35mm, the high 8-10mm of minor face, and the long high 15-17mm in limit, B is high 15-17mm, wide 9-11mm to size as shown in Figure 3.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, its flat board 6 is made by the corrosion resistant plate of thick 3mm, and length is 25-35mm, and width is illustrated in figure 3 as 16-20mm, welds together with wedge 7.
As Fig. 4, shown in Figure 5, a kind of fire-fighting spraying head leak stopping device of present embodiment, its showerhead configuration that is suitable for is made up of water jet 8, spray head support 9, splash box 10, glass marble 11 and adjusting screw(rod) 12.Spray head is commercial product.
As shown in Figure 6, the fire-fighting spraying head leak stopping device of present embodiment, it is during from the preparation state, pass through tightening nuts, make wedge 7 to going up propelling in the U-shaped folder that support sheet 3 and the L shaped sheet 4 of support down form by L shaped, cause the U-shaped folder to strut up and down, and be bonded in L shaped hemisphere rubber (or PTFE) seal 2 of going up support sheet 3 tops, just in time get lodged in the water jet 8 of spray head, tighten butterfly nut 1 along with what do not stop, the propelling that wedge 7 does not stop in U-shaped folder, the U-shaped folder also struts up and down, till the water jet 8 of spray head is water-tight.
As shown in Figure 1, the fire-fighting spraying head leak stopping device of present embodiment, the assembly that its screw rod 5, flat board 6 and wedge 7 are made, by supportting the circular hole on the sheet 4 down, be connected with butterfly nut, make the L shaped U-shaped folder of going up support sheet 3 and the L shaped sheet of support down 4 compositions, when being in minimal openings, remain on the preparation state.Outside the business of fire-fighting spraying hair, glass marble 11 fragmentations, when fire water is erupted from water jet 8, only need one man operation, an end of the utility model wedge 7 of preparation state will be remained on, insert the bottom of spray head water jet 8 rapidly, because L shaped support sheet 3 and the L shaped positioning action of the lap of support sheet 4 down of going up, make the center of hemisphere rubber (or PTFE) seal 2 just in time aim at the center of water jet 8, along with tightening butterfly nut fast, flat board 6 and wedge 7 also advance fast, make L shaped upward support sheet 3 and the L shaped sheet 4 of support down also strut fast up and down, the support force of formation supports the slit between hemisphere rubber (or PTFE) seal 2 and the water jet 8 more little, water jet 8 until spray head seals fully, water-tight till.Because the leak stopping operation can be finished in a short period of time, has avoided the unplanned out of service of whole spraying system of fire fighting, has reduced the direct and consequential damage to causing in the building.
The fire-fighting spraying head leak stopping device of present embodiment for spraying system of fire fighting better implement scheduled overhaul, provides certain guarantee, needn't be for changing one, two spray head whole spraying system of fire fighting out of service.
A kind of fire-fighting spraying head of the utility model leak stopping device is not limited to the foregoing description.
Claims (2)
1. a fire-fighting spraying head leak stopping device is characterized in that being made up of butterfly nut (1), hemisphere seal (2), L shaped support sheet (3), the L shaped sheet (4) of support down, screw rod (5), flat board (6) and the wedge (7) gone up; Wherein, butterfly nut (1) is commercial standard cap, and butterfly nut (1) is connected with screw rod (5) coupling; The diameter of hemisphere seal (2) is diameter 14-16mm, is fixed on L shaped going up on the support sheet (3); L shaped upward support sheet (3) and L shaped support sheet (4) are down formed by the corrosion resistant plate bending respectively, the inboard, end of the outside of L shaped upward support sheet (3) end wing and the L shaped sheet (4) of the support down end wing is welded fixing, the flank of the flank of L shaped upward support sheet (3) and L shaped support sheet (4) down is at regular intervals, forms U-shaped folder shape; The small end face of one end of screw rod (5) and wedge (7) is connected and fixed; Dull and stereotyped (6) are weldingly fixed on the prism of wedge (7).
2. fire-fighting spraying head leak stopping device according to claim 1 is characterized in that, the length of dull and stereotyped (6) is consistent with the length of a prism of wedge (7), and the width of dull and stereotyped (6) is greater than the thickness of a prism of wedge (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201573515U CN202052246U (en) | 2011-05-17 | 2011-05-17 | Leak stopper for firefighting sprayer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011201573515U CN202052246U (en) | 2011-05-17 | 2011-05-17 | Leak stopper for firefighting sprayer |
Publications (1)
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CN202052246U true CN202052246U (en) | 2011-11-30 |
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Application Number | Title | Priority Date | Filing Date |
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CN2011201573515U Expired - Lifetime CN202052246U (en) | 2011-05-17 | 2011-05-17 | Leak stopper for firefighting sprayer |
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CN (1) | CN202052246U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102247675A (en) * | 2011-05-17 | 2011-11-23 | 上海国际机场股份有限公司消防急救保障部 | Fire-fighting spray header leaking stopper |
-
2011
- 2011-05-17 CN CN2011201573515U patent/CN202052246U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102247675A (en) * | 2011-05-17 | 2011-11-23 | 上海国际机场股份有限公司消防急救保障部 | Fire-fighting spray header leaking stopper |
CN102247675B (en) * | 2011-05-17 | 2012-09-05 | 上海国际机场股份有限公司消防急救保障部 | Fire-fighting spray header leaking stopper |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20111130 Effective date of abandoning: 20120905 |