CN114146346B - Fluxible alloy flush type spray head - Google Patents
Fluxible alloy flush type spray head Download PDFInfo
- Publication number
- CN114146346B CN114146346B CN202111526013.9A CN202111526013A CN114146346B CN 114146346 B CN114146346 B CN 114146346B CN 202111526013 A CN202111526013 A CN 202111526013A CN 114146346 B CN114146346 B CN 114146346B
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- sheet
- temperature sensing
- plug
- supporting
- stabilizing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/12—Releasing means, e.g. electrically released heat-sensitive with fusible links
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fusible alloy flush type spray head, which comprises a body, a plug, a temperature sensing trigger assembly and an atomization assembly, wherein the temperature sensing trigger assembly comprises a nut ring, a pressing plate, a supporting sheet, a stabilizing sheet and a temperature sensing sheet, the nut ring is screwed in a cavity, the inner wall of the nut ring is provided with a taper hole section, the upper end of the pressing plate is used for ejecting the plug to a channel outlet, the supporting sheet is provided with a plurality of conical holes which are uniformly distributed in the taper hole section, the outer side and the inner side of the upper end of the supporting sheet are respectively correspondingly contacted and matched with the taper hole section and the pressing plate, the stabilizing sheet is provided with a plurality of sheets which are connected to the upper end surface of the temperature sensing sheet through a fusible alloy layer, the lower end of the supporting sheet is correspondingly clamped on the stabilizing sheet, the temperature sensing sheet is used as a temperature sensing element and is directly used for decoration, the appearance is attractive, and the trigger sensitivity of the spray head is ensured; through the through hole of seting up at the temperature sensing piece for when adjusting screw to the tight dynamics in top of end cap, make things convenient for the instrument to stretch into, improved operation maintainability.
Description
Technical Field
The invention relates to the technical field of fire-fighting nozzles, in particular to a fusible alloy flush type nozzle.
Background
The fire-fighting nozzle is used for a fire-fighting spraying system, and when a fire disaster occurs, the fire extinguishing medium is sprayed out to collide the water splashing disc and then atomized and sprayed out for fire extinguishing.
The splash plate of the existing fire control spray head is a fixed structure exposed outside the spray head, due to the requirement of fire control specifications, the installation interval and the quantity of indoor fire control spray heads in a certain area are specified, the fire control spray head of the structure is installed on an indoor roof, the splash plate and the glass bubble structure are obviously visible, the adaptability to house decoration styles is poor, the attractiveness and the integrity are poor, therefore, some concealed spray heads are developed, but temperature sensing elements of the spray heads are wrapped by outer covers such as dust covers or decoration covers, the influence on the trigger sensitivity can be caused to different degrees, and fire control hidden dangers exist.
Disclosure of Invention
The invention aims to provide a fusible alloy flush type spray head which is compact in structure, a temperature sensing piece is used as a temperature sensing element and is directly used for decoration, the appearance is attractive, the trigger sensitivity of the spray head is ensured, and the problems in the prior art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a fusible alloy flush type spray head comprises a body 1, a plug 5, a temperature sensing trigger component and an atomization component, wherein a first connecting part 3 is arranged at the upper end of the body 1, a flange part 4 is arranged at the lower end of the body 1, a cavity 401 is formed by axially extending a solid body at the periphery of the flange part 4, a channel 2 is arranged in the body 1 in a penetrating manner, a sealing gasket 6 is sleeved on the plug 5 and used for sealing an outlet of the channel 2, the temperature sensing trigger component is arranged below the plug 5 and used for enabling the plug 5 to be separated from the outlet of the channel 2 when a fire disaster happens, the atomization component is movably arranged in the cavity 401, a splash disc 7 of the atomization component extends out of the cavity 401 to atomize a fire extinguishing medium sprayed from the channel 2 when the fire disaster happens, the temperature sensing trigger assembly comprises a nut ring 9, a pressing plate 10, a supporting piece 11, a stabilizing piece 12 and a temperature sensing piece 13, wherein the nut ring 9 is installed in the cavity 401 in a threaded manner, a taper hole section 901 is formed in the inner wall of the nut ring 9, the upper end of the pressing plate 10 is used for enabling the plug 5 to be pushed towards the outlet of the channel 2, the supporting piece 11 is provided with a plurality of uniform distribution pieces which are arranged in the taper hole section 901, the outer side and the inner side of the upper end of the supporting piece 11 are respectively in contact fit with the taper hole section 901 and the pressing plate 10 correspondingly, the stabilizing piece 12 is provided with a plurality of pieces and is connected to the upper end face of the temperature sensing piece 13 through a fusible alloy layer 14, and the lower end of each supporting piece 11 is correspondingly clamped on one stabilizing piece 12.
Further, a plurality of grooves 1002 for accommodating the supporting pieces 11 are uniformly formed in the pressing plate 10, a second abutting portion 1103 in contact fit with the bottoms of the grooves 1002 and the outer edges of the bottoms of the grooves is formed in the inner side of the upper ends of the supporting pieces 11, a first abutting portion 1102 matched with the taper hole sections 901 is arranged at the upper ends of the outer sides of the supporting pieces 11, and a clamping interface 1101 is formed at the lower end of the outer side of the supporting pieces 11.
Further, each of the stabilizing sheets 12 includes a second connecting portion 1201 and a clamping portion 1202, the clamping portion 1202 is provided with a clamping window 1203, the lower end of the support sheet 11 penetrates through the clamping window 1203, and the clamping port 1101 is clamped with the clamping portion 1202; the second connecting part 1201 is connected to the upper end face of the temperature sensing piece 13 through the fusible alloy layer 14.
Further, a threaded hole 1001 is coaxially formed in the pressing plate 10 and the plug 5, a screw 15 is screwed in the threaded hole 1001, the upper end of the screw 15 abuts against the plug 5, and a through hole 1301 is formed in the temperature sensing piece 13 and matched with the screw 15.
Further, a ring platform 501 is arranged on the plug 5, the sealing gasket 6 is located at the upper end of the ring platform 501, the splash plate 7 is sleeved on the plug 5 and located below the ring platform 501, guide rods 8 are symmetrically arranged on the splash plate 7, and the guide rods 8 penetrate through the flange part 4 in a sliding manner.
Further, the stabilizing piece 12 is made of stainless steel, and the temperature sensing piece 13 is made of red copper.
The invention has the beneficial effects that: the fusible alloy flush type spray head provided by the invention adopts a patch type structure, and a plurality of stabilizing sheets are connected to the upper end surface of the temperature sensing sheet through the fusible alloy layer, so that the spray head has the advantages of compact structure and small volume, has high strength and good stability in an on-duty state, and ensures that the supporting sheet is kept in a stable state, thereby ensuring the stable plugging of a channel by a plug and a sealing gasket, and effectively ensuring the reliability of the spray head; the lower end face of the temperature sensing piece directly faces to the protection area, when a fire disaster happens, heat on the fire scene is directly and quickly conducted to the fusible alloy layer, the fusible alloy layer is melted, the stabilizing piece is separated from the temperature sensing piece, then the supporting piece is unstable, the fire extinguishing medium in the fire fighting pipeline pushes the plug and the sealing pad away from the outlet of the channel, the splash disc is pushed out of the cavity under the action of the fire extinguishing medium, at the moment, the fire extinguishing medium sprayed out of the channel impacts the splash disc and is atomized and sprinkled to the protection area for fire extinguishing operation, the temperature sensing piece is used as a temperature sensing element and is also directly used for decoration, the appearance is attractive, and the sensitivity of triggering of the spray head is ensured; through the through hole of seting up at the temperature sensing piece for when adjusting screw to the tight dynamics in top of end cap, make things convenient for the instrument to stretch into, improved operation maintainability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a partially enlarged view of fig. 1 at B.
FIG. 4 is a schematic view of the connection structure of the stabilizing sheet and the temperature-sensing sheet of the present invention.
FIG. 5 is a schematic view showing a connection structure of the stabilizing sheet and the temperature-sensitive sheet of the present invention (with one stabilizing sheet removed).
Fig. 6 is a perspective view of the platen structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a fusible alloy flush type nozzle comprises a body 1, a plug 5, a temperature sensing trigger assembly and an atomization assembly, wherein the upper end of the body 1 is provided with a first connecting part 3, the lower end of the body 1 is provided with a flange part 4, a cavity 401 is formed by the solid body of the periphery of the flange part 4 in an axial extension manner, a channel 2 is arranged in the body 1 in a penetrating manner, a sealing gasket 6 is sleeved on the plug 5 for sealing an outlet of the channel 2, the temperature sensing trigger assembly is arranged below the plug 5 and used for enabling the plug 5 to be separated from the outlet of the channel 2 when a fire disaster happens, the atomization assembly is movably arranged in the cavity 401, a water splashing disc 7 of the atomization assembly extends out of the cavity 401 to atomize a fire extinguishing medium sprayed from the channel 2 when the fire disaster happens, temperature sensing trigger assembly includes nut circle 9, clamp plate 10, backing sheet 11, stabilizing piece 12 and temperature sensing piece 13, nut circle 9 screw thread closes soon and installs in cavity 401, nut circle 9 inner wall is equipped with taper hole section 901, clamp plate 10 upper end is used for pushing up end cap 5 to 2 exports of passageway, backing sheet 11 has a plurality of equipartition to set up in taper hole section 901, the outside and the inboard of backing sheet 11 upper end correspond respectively with taper hole section 901 and the contact cooperation of clamp plate 10, stabilizing piece 12 has a plurality of pieces and all connects at 13 up end of temperature sensing piece through fusible alloy layer 14, 11 lower extremes of every backing sheet correspond the joint on a slice stabilizing piece 12.
Preferably, a plurality of grooves 1002 for accommodating the supporting pieces 11 are uniformly formed in the pressing plate 10, a second abutting portion 1103 in contact fit with the bottoms of the grooves 1002 and the outer edges of the bottoms is formed in the inner side of the upper ends of the supporting pieces 11, a first abutting portion 1102 matched with the taper hole sections 901 is formed in the upper ends of the outer sides of the supporting pieces 11, and a clamping interface 1101 is formed in the lower ends of the outer sides of the supporting pieces 11.
Preferably, each stabilizing sheet 12 comprises a second connecting part 1201 and a clamping part 1202, the clamping part 1202 is provided with a clamping window 1203, the lower end of the support sheet 11 penetrates through the clamping window 1203, and the clamping port 1101 is clamped with the clamping part 1202; the second connecting part 1201 is connected to the upper end face of the temperature sensing piece 13 through the fusible alloy layer 14.
Preferably, a threaded hole 1001 is formed in the pressure plate 10 coaxially with the plug 5, a screw 15 is screwed in the threaded hole 1001, the upper end of the screw 15 abuts against the plug 5, and a through hole 1301 is formed in the temperature sensing piece 13 and matched with the screw 15.
Through the arrangement, after the sprayer is assembled, the clamping interface 1101 is clamped with the clamping portion 1202, the first abutting portion 1102 abuts against the taper hole section 901, the second abutting portion 1103 is in contact fit with the bottom of the groove 1002 and the outer edge of the bottom, the upper end of the screw 15 abuts against the plug 5, the pretightening force of the screw 15 on the plug 5 is adjusted to be a set value, in this way, under the common acting force of the taper hole section 901, the bottom of the groove 1002 and the outer edge of the bottom, the lower end of the supporting sheet 11 generates an outward turning force, at the moment, the stabilizing sheet 12 and the temperature sensing sheet 13 are connected into a whole, the clamping interface 1101 and the clamping portion 1202 generate the same reacting force for balancing, so that the whole structure becomes a rigid stabilizing structure, the plug 5 can be stably pushed towards the outlet of the channel 2, the sealing gasket 6 can stably plug the outlet of the channel 2, meanwhile, once the fusible alloy layer 14 is melted, the connection of the stabilizing sheet 12 and the temperature sensing sheet 13 is broken, under the combined action of the pretightening force and the pressure of the fire extinguishing agent in the fire fighting pipeline, the stabilizing sheet 12 is separated from the supporting sheet 13, the supporting sheet 11 instantly drops, and the sprayer is triggered.
Preferably, the plug 5 is provided with a ring platform 501, the sealing gasket 6 is located at the upper end of the ring platform 501, the splash pan 7 is sleeved on the plug 5 and located below the ring platform 501, the splash pan 7 is symmetrically provided with guide rods 8, and the guide rods 8 are slidably arranged through the flange portion 4.
Preferably, the stabilizing sheet 12 is made of stainless steel, the temperature sensing sheet 13 is made of red copper, the red copper has excellent heat conducting performance, heat in the environment can be quickly conducted into the fusible alloy layer 14, temperature sensing sensitivity is improved, mechanical strength of the stainless steel is high, stable contact strength of the clamping position of the stabilizing sheet 12 and the supporting sheet 11 is guaranteed, and accordingly overall stability of the sprayer is guaranteed.
The fusible alloy flush type spray head provided by the invention adopts a patch type structure, and a plurality of stabilizing pieces 12 are connected to the upper end surface of a temperature sensing piece 13 through a fusible alloy layer 14, so that the spray head has the advantages of compact structure and small volume, has high strength and good stability in a duty state, and enables a supporting piece 11 to keep a stable state, thereby ensuring the stable plugging of a plug 5 and a sealing gasket 6 to a channel 2 and effectively ensuring the reliability of the spray head; the lower end face of the temperature sensing piece 13 directly faces to a protection area, when a fire disaster happens, heat on the fire scene is directly and quickly conducted to the fusible alloy layer 14, the fusible alloy layer 14 is melted, the stabilizing piece 12 is separated from the temperature sensing piece 13, the supporting piece 11 is unstable, the fire extinguishing medium in the fire fighting pipeline pushes the plug 5 and the sealing pad 6 away from the outlet of the channel 2, the splash disc 7 is pushed out of the cavity 401 under the action of the fire extinguishing medium, at the moment, the fire extinguishing medium sprayed out of the channel 2 impacts the splash disc 7 and is atomized and sprayed to the protection area to carry out fire extinguishing operation, the temperature sensing piece 13 is used as a temperature sensing element and is also directly used for decoration, the appearance is attractive, and the trigger sensitivity of the spray head is ensured; through the through hole 1301 of seting up at temperature sensing piece 13 for during adjusting screw 15 is to the tight dynamics in top of end cap 5, make things convenient for the instrument to stretch into, improved operation maintainability.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a flush formula shower nozzle of fusible alloy, includes body (1), end cap (5), temperature sensing trigger subassembly, atomization component, body (1) upper end is equipped with connecting portion (3), body (1) lower extreme is equipped with flange portion (4), flange portion (4) periphery entity axial extension constitutes there is cavity (401), it is equipped with passageway (2) to link up in body (1), the cover is equipped with sealed pad (6) and is used for the shutoff on end cap (5) passageway (2) export, temperature sensing trigger subassembly set up in end cap (5) below is used for making when the conflagration takes place end cap (5) break away from passageway (2) export, atomization component activity is located in cavity (401), when the conflagration takes place atomization component's splash box (7) stretch out cavity (401) will be followed passageway (2) spun fire extinguishing medium atomizing, its characterized in that: the temperature sensing trigger assembly comprises a nut ring (9), a pressing plate (10), a supporting sheet (11), a stabilizing sheet (12) and a temperature sensing sheet (13), wherein the nut ring (9) is screwed in the cavity (401), a taper hole section (901) is arranged on the inner wall of the nut ring (9), the upper end of the pressing plate (10) is used for enabling the plug (5) to be pushed to the outlet of the channel (2), the supporting sheet (11) is uniformly distributed in the taper hole section (901), the outer side and the inner side of the upper end of the supporting sheet (11) are correspondingly matched with the taper hole section (901) and the pressing plate (10) in a contact mode respectively, the stabilizing sheet (12) is provided with a plurality of sheets and is connected to the upper end face of the temperature sensing sheet (13) through an easily-fusible alloy layer (14), the lower end of each supporting sheet (11) is correspondingly clamped on one stabilizing sheet (12), the stabilizing sheet (12) is made of stainless steel, and the temperature sensing sheet (13) is made of red copper;
a plurality of grooves (1002) for accommodating the supporting pieces (11) are uniformly formed in the pressing plate (10), second abutting parts (1103) which are in contact fit with the bottoms of the grooves (1002) and the outer edges of the bottoms of the supporting pieces (11) are formed in the inner sides of the upper ends of the supporting pieces (11), first abutting parts (1102) which are matched with the taper hole sections (901) are formed in the upper ends of the outer sides of the supporting pieces (11), and clamping ports (1101) are formed in the lower ends of the outer sides of the supporting pieces (11);
each stabilizing sheet (12) comprises a connecting part II (1201) and a clamping part (1202), the clamping part (1202) is provided with a clamping window (1203), the lower end of the supporting sheet (11) penetrates through the clamping window (1203), and the clamping port (1101) is clamped with the clamping part (1202); the second connecting part (1201) is connected to the upper end face of the temperature sensing sheet (13) through the fusible alloy layer (14).
2. The eutectic alloy flush head of claim 1, wherein: the pressure plate (10) is coaxially provided with a threaded hole (1001) with the plug (5), a screw (15) is screwed in the threaded hole (1001), the upper end of the screw (15) is abutted against the plug (5), and a through hole (1301) is formed in the temperature sensing piece (13) in a manner of being matched with the screw (15).
3. The eutectic alloy flush head of claim 1, wherein: the water splashing device is characterized in that a ring platform (501) is arranged on the plug (5), the sealing gasket (6) is located at the upper end of the ring platform (501), the water splashing disc (7) is sleeved on the plug (5) and located below the ring platform (501), guide rods (8) are symmetrically arranged on the water splashing disc (7), and the rods (8) penetrate through the flange part (4) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526013.9A CN114146346B (en) | 2021-12-14 | 2021-12-14 | Fluxible alloy flush type spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111526013.9A CN114146346B (en) | 2021-12-14 | 2021-12-14 | Fluxible alloy flush type spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114146346A CN114146346A (en) | 2022-03-08 |
| CN114146346B true CN114146346B (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111526013.9A Active CN114146346B (en) | 2021-12-14 | 2021-12-14 | Fluxible alloy flush type spray head |
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| Country | Link |
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| CN (1) | CN114146346B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115607886B (en) * | 2022-10-14 | 2024-05-03 | 福建闽山消防有限公司 | Flush type fire-fighting sprinkler |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2468520Y (en) * | 2000-07-19 | 2002-01-02 | 刘在能 | Antomatic fire fighting valve |
| TWM272543U (en) * | 2005-02-04 | 2005-08-11 | Cheng-Hsiung Shih | Press board structure for fire-fighting sprinkler |
| JP5977492B2 (en) * | 2011-08-04 | 2016-08-24 | 千住スプリンクラー株式会社 | Sprinkler head cover |
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2021
- 2021-12-14 CN CN202111526013.9A patent/CN114146346B/en active Active
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| Publication number | Publication date |
|---|---|
| CN114146346A (en) | 2022-03-08 |
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