CN214436033U - Sealing gasket assembly for spray head - Google Patents
Sealing gasket assembly for spray head Download PDFInfo
- Publication number
- CN214436033U CN214436033U CN202120190459.8U CN202120190459U CN214436033U CN 214436033 U CN214436033 U CN 214436033U CN 202120190459 U CN202120190459 U CN 202120190459U CN 214436033 U CN214436033 U CN 214436033U
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- China
- Prior art keywords
- ball seat
- gasket assembly
- showerhead
- shower nozzle
- sealing gasket
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
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Abstract
The utility model relates to a fire-fighting equipment technical field, especially a sealed subassembly that fills up of shower nozzle includes the ball seat, the ball seat meets with the play water port joint of shower nozzle support body, just the ball seat meets with the glass bulb portion, be equipped with the sealing pad subassembly in the cavity of ball seat, sealed subassembly includes circuitous portion, circuitous portion orientation the cavity internal bending of ball seat, and expose sealed the pad in the automatic fire extinguishing nozzle has been solved to the outer fringe of ball seat, uses the back for a long time, influences the problem of shower nozzle automatic control's sensitivity.
Description
Technical Field
The utility model relates to a fire-fighting apparatus technical field, especially a shower nozzle sealing gasket subassembly.
Background
At present, two automatic fire extinguishing spray heads are used for fire fighting, one is to seal a nozzle by using low-melting-point alloy, and when the alloy is melted, a fire extinguishing agent is automatically sprayed out; the other is to seal the nozzle by using a glass bubble filled with liquid, when the temperature rises, the liquid in the glass bubble is gasified and expanded, the glass bubble is burst, and the fire extinguishing agent is automatically sprayed out to realize fire extinguishing; the two modes adopt the sealing gasket to seal the nozzle.
The conventional automatic fire extinguishing nozzle consists of a valve body and a driving part, wherein the driving part consists of a sealing gasket, a memory alloy element and a jackscrew; the valve body is of a fork-shaped structure with a bayonet inside, and the sealing gasket is positioned on the bayonet of the valve body; the memory alloy is positioned in the valve body, and two ends of the memory alloy are limited by the sealing pad assembly and the jackscrew respectively; the sealing gasket comprises a copper support, and a sealing rubber ring is arranged between the copper support and the channel.
Above-mentioned sealed pad in the automatic fire extinguishing nozzle, the copper support blocks that water in the pipeline flows to the shower nozzle direction, is in simultaneously the copper support with be equipped with the sealing rubber circle between the passageway, increase the copper support with leakproofness between the passageway, rivers can not by the copper support with gap between the passageway flows. However, since the gap between the copper support and the channel needs to be reduced, the memory alloy element needs to have a larger supporting force for the copper support, the requirement on the hardness of the memory alloy is high, and the memory alloy also needs to meet a lower melting point, so that the requirement on material selection of the memory alloy is high; meanwhile, after the rubber ring is used for a long time, the rubber ring is easy to be bonded with the inner channel of the spray head and the support, and the sensitivity of automatic control of the spray head is influenced.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the sealed pad in the automatic fire extinguishing nozzle, after long-time use, the rubber circle easily with the shower nozzle inner passage with the support takes place to bond, influences the problem of shower nozzle automatic control's sensitivity, provides a shower nozzle sealing pad subassembly.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a sealed subassembly that fills up of shower nozzle, includes the ball seat, the ball seat meets with the delivery port joint of shower nozzle support body, just the ball seat meets with the glass ball tip, be equipped with the sealing pad subassembly in the cavity of ball seat, the sealed subassembly that fills up includes circuitous portion, circuitous portion orientation bend in the cavity of ball seat, and can with delivery port forms the butt and seals.
The utility model discloses a sealing gasket subassembly, when the shower nozzle is sealed, fix sealing gasket subassembly and ball seat at the play water port of shower nozzle support body, the ball seat is connected with glass ball play water end, sealing gasket subassembly sets up in the cavity of ball seat, circuitous portion pastes with shower nozzle internal passage and pastes and becomes a part of shower nozzle internal passage, when shower nozzle internal passage fills with fire extinguishing agent, fire extinguishing agent fills in inside sealing gasket, namely fire extinguishing agent fills in the play water port of shower nozzle support body and the concave surface part that circuitous portion formed, fire extinguishing agent forms the pressure opposite to the flow direction when the fire extinguishing agent work in circuitous portion department, tightly press circuitous portion on the play water port of shower nozzle support body, even under less assembly force effect, the sealed effect of filling up can also be fine, make circuitous portion can not take place the bonding with shower nozzle internal passage and support, and sealing gasket subassembly does not need temperature-sensing element to have great holding power to it, the problem of sealed pad in the automatic fire extinguishing nozzle, after long-time the use, influence shower nozzle automatic control's sensitivity is solved.
Preferably, the sealing gasket assembly further comprises a connecting portion, a groove is formed in the connecting portion, a through hole is formed in the position, corresponding to the groove, of the ball seat, and the end portion of the glass ball penetrates through the through hole to be clamped with the groove. Make sealing gasket subassembly and ball seat laminating inseparabler, the associativity is better, and more conventional direct butt ball seat of support when the glass ball breaks, the ball seat can drop together with sealed gasket subassembly under the effect of fire extinguishing agent pressure, more is favorable to avoiding rubber circle and shower nozzle inner passage to take place to bond, increases shower nozzle automatic control's sensitivity.
Preferably, the bypass portion is an outer edge of the connecting portion, and the connecting portion and the bypass portion are integrally formed. When the connecting part falls off under the pressure action of the fire extinguishing agent, the connecting part and the circuitous part can integrally fall off, so that the problem that the inner channel of the nozzle is easily bonded by independently arranging the rubber ring is solved.
Preferably, the roundabout part is a circular ring-shaped sheet structure. The round sheet structure forms the appearance of a conventional sealing gasket, and the sealing effect is achieved.
Preferably, the ball seat is of a conical structure, and the through hole is formed in the middle of the ball seat.
Preferably, the ball seat is a stainless steel structural member.
Preferably, the gasket assembly is a plastic gasket assembly. Compared with the metal ball seat in the prior art, the polytetrafluoroethylene ball seat is not easy to corrode and has low manufacturing cost; the polytetrafluoroethylene is utilized to prepare the sealing gasket assembly, the sealing gasket assembly can not be bonded with the spray head even after long-time use, after the temperature sensing supporting element is damaged, the sealing gasket assembly and the ball seat are separated from each other from a sealing position, the response time of the spray head is rapid, and the service time of the sealing gasket is long.
Preferably, the diameter phi of the ball seat is 29mm to 31.5 mm.
Preferably, the height H of the connecting part is 13.5mm to 14 mm.
Preferably, the thickness S of the bypass portion is 1mm to 1.5 mm.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a sealing gasket assembly, when the shower nozzle is sealed, fix sealing gasket assembly and ball seat at the play water port of shower nozzle support body, the ball seat meets with glass ball play water end, sealing gasket assembly sets up in the cavity of ball seat, circuitous portion pastes with shower nozzle inner passage and pastes and becomes a part of shower nozzle inner passage, when shower nozzle inner passage fills with fire extinguishing agent, fire extinguishing agent fills in inside sealing gasket, namely fire extinguishing agent fills in the play water port of shower nozzle support body and the concave surface part that circuitous portion formed, fire extinguishing agent is in circuitous portion, form the pressure opposite to the flow direction when working of fire extinguishing agent, tightly press circuitous portion on the play water port of shower nozzle support body, even under the effect of less assembly force, the sealed effect of filling up can also be fine, make circuitous portion can not take place the bonding with shower nozzle inner passage and circuitous support, and sealing gasket assembly does not need the temperature sensing component to have great holding power to it, the problem of sealed pad in the automatic fire extinguishing nozzle, after long-time the use, influence shower nozzle automatic control's sensitivity is solved.
Other beneficial effects of this application are:
1. the tip of glass ball passes through the through-hole and the recess looks joint, makes sealing gasket subassembly and ball seat laminating inseparabler, and the associativity is better, and more conventional direct butt ball seat of support when the glass ball breaks, under the effect of fire extinguishing agent pressure, the ball seat can drop together with sealing gasket subassembly, more is favorable to avoiding rubber circle and shower nozzle inner passage to take place to bond, increases shower nozzle automatic control's sensitivity.
2. The connecting part and the circuitous part are integrally formed, and the connecting part can integrally fall together with the circuitous part when falling under the pressure action of the fire extinguishing agent, so that the problem that the inner channel of the spray head is easily bonded by independently arranging the rubber ring is solved.
3. The roundabout part is the annular sheet structure, and the appearance of conventional sealed pad is formed to circular sheet structure, reaches sealed effect.
4. Compared with the metal ball seat in the prior art, the polytetrafluoroethylene ball seat is not easy to corrode and has low manufacturing cost; the polytetrafluoroethylene is utilized to prepare the sealing gasket assembly, the sealing gasket assembly can not be bonded with the spray head even after long-time use, after the temperature sensing supporting element is damaged, the sealing gasket assembly and the ball seat are separated from each other from a sealing position, the response time of the spray head is rapid, and the service time of the sealing gasket is long.
Drawings
Fig. 1 is a schematic structural view of a nozzle gasket assembly of the present invention;
fig. 2 is a schematic structural view of the present invention installed with an airflow pipeline and a drain pipe.
In the drawings, reference numerals
1-ball seat, 1 a-through hole, 2-nozzle frame body, 3-glass ball, 4-sealing pad assembly, 4 a-circuitous part, 4 b-connecting part and 4b 1-groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Referring to fig. 1 and 2, the present embodiment of a nozzle gasket assembly according to the present invention is a gasket assembly, when a nozzle is sealed, a gasket assembly 4 and a ball seat 1 are fixed at a water outlet port of a nozzle frame body 1a, the ball seat 1 is connected to a water outlet end of a glass ball 3, the gasket assembly 4 is disposed in a concave cavity of the ball seat 1, a detour portion 4a is attached to and forms a part of an internal passage of the nozzle, when the internal passage of the nozzle is filled with a fire extinguishing agent, the fire extinguishing agent fills the inside of the gasket assembly 4, that is, the fire extinguishing agent fills the concave portion formed by the water outlet port of the nozzle frame body 2 and the detour portion 4a, the fire extinguishing agent forms a pressure opposite to a flow direction of the fire extinguishing agent during operation at the detour portion 4a, the detour portion 4a is tightly pressed against the water outlet port of the nozzle frame body 1a, even under a small assembly force, the sealing effect of the gasket assembly 4 is good, the circuitous part 4a can not be bonded with the inner channel of the spray head and the support, and the sealing gasket component 4 does not need a temperature sensing element to have larger supporting force, thereby solving the problem that the sealing gasket in the automatic fire extinguishing spray head influences the sensitivity of automatic control of the spray head after long-time use.
Through-hole 1a and recess 4b1 looks joint are passed to the tip of glass ball 3, it is inseparabler to make sealed pad subassembly 4 and the laminating of ball seat 1, the associativity is better, more conventional glass ball 3 direct butt ball seat 1, when glass ball 3 breaks, under the effect of fire extinguishing agent pressure, ball seat 1 can drop together with sealed pad subassembly 4, more be favorable to avoiding rubber circle and shower nozzle inner passage to take place to bond, increase shower nozzle automatic control's sensitivity, connecting portion 4b and circuitous portion 4a integrated into one piece, connecting portion 4b is when the effect of fire extinguishing agent pressure drops down, can drop together with circuitous portion 4a is integrative, thereby solve the problem that sets up the easy bonding shower nozzle inner passage of rubber circle alone.
The roundabout part 4a is of a circular sheet structure, the circular sheet structure forms the appearance of a conventional sealing gasket to achieve the sealing effect, the sealing gasket component 4 is a plastic sealing gasket component, and compared with a metal ball seat 1 in the prior art, the polytetrafluoroethylene ball seat is not easy to corrode and is low in manufacturing cost; utilize polytetrafluoroethylene to make sealed subassembly 4 that fills up, long-time the use also can not take place to bond with the shower nozzle, and the temperature sensing support element destroys the back, and sealed subassembly 4 that fills up breaks away from with ball seat 1 by sealed position, and shower nozzle response time is rapid, and sealed the pad live time of filling up.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a shower nozzle sealing gasket subassembly, includes ball seat (1), the play water port joint of ball seat (1) and shower nozzle frame (2), just ball seat (1) meets its characterized in that with glass ball (3) tip: the sealing pad assembly (4) is arranged in the cavity of the ball seat (1), the sealing pad assembly (4) comprises a circuitous part (4a), and the circuitous part (4a) bends towards the cavity of the ball seat (1) and can be abutted and sealed with the water outlet.
2. The showerhead gasket assembly of claim 1, wherein: sealing pad subassembly (4) still include connecting portion (4b), be equipped with recess (4b1) on connecting portion (4b), be equipped with through-hole (1a) on ball seat (1) and the corresponding position of recess (4b1), the tip of glass ball (3) passes through-hole (1a) and recess (4b1) looks joint.
3. The showerhead gasket assembly of claim 2, wherein: the bypass portion (4a) is an outer edge of the connecting portion (4b), and the connecting portion (4b) and the bypass portion (4a) are integrally formed.
4. The showerhead gasket assembly of claim 3, wherein: the circuitous part (4a) is of a circular ring sheet structure.
5. The showerhead gasket assembly of claim 4, wherein: the ball seat (1) is of a conical structure, and the through hole (1a) is formed in the middle of the ball seat (1).
6. The showerhead gasket assembly of claim 1, wherein: the ball seat (1) is a stainless steel structural member.
7. The showerhead gasket assembly of claim 1, wherein: the sealing gasket assembly (4) is a plastic sealing gasket assembly.
8. The showerhead gasket assembly of claim 1, wherein: the diameter phi of the ball seat (1) is 29 mm-31.5 mm.
9. The showerhead gasket assembly of claim 2, wherein: the height H of the connecting part (4b) is 13.5 mm-14 mm.
10. The showerhead gasket assembly of claim 1, wherein: the thickness S of the bypass part (4a) is 1mm to 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190459.8U CN214436033U (en) | 2021-01-22 | 2021-01-22 | Sealing gasket assembly for spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190459.8U CN214436033U (en) | 2021-01-22 | 2021-01-22 | Sealing gasket assembly for spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214436033U true CN214436033U (en) | 2021-10-22 |
Family
ID=78140560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120190459.8U Active CN214436033U (en) | 2021-01-22 | 2021-01-22 | Sealing gasket assembly for spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214436033U (en) |
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2021
- 2021-01-22 CN CN202120190459.8U patent/CN214436033U/en active Active
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