CN110947142B - Lever type radiation heat starting spray head - Google Patents
Lever type radiation heat starting spray head Download PDFInfo
- Publication number
- CN110947142B CN110947142B CN201911320759.7A CN201911320759A CN110947142B CN 110947142 B CN110947142 B CN 110947142B CN 201911320759 A CN201911320759 A CN 201911320759A CN 110947142 B CN110947142 B CN 110947142B
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- rod
- lever
- spray head
- radiant heat
- sealing seat
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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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 provides a lever type radiant heat starting spray head which comprises a body and a splash plate, wherein the body is tubular and is provided with external threads, the body is connected with the splash plate through a spray head frame, the two ends of the body are respectively provided with a water inlet end and a water outlet end, the water outlet end is provided with a sealing seat, an inclined pressure rod which is used for applying pressure to the sealing seat and is arranged in an inclined mode is arranged between the sealing seat and the splash plate, and a starting assembly which is linked with the inclined pressure rod is arranged on the spray head body. According to the nozzle, the temperature sensing element is arranged on the outermost side of the nozzle, so that the temperature sensing element can not absorb radiant heat in a blocking mode, the temperature sensing element can absorb convective heat and can also directly receive radiant heat emitted by a burning object, and the nozzle can be quickly started.
Description
Technical Field
The invention belongs to the technical field of fire-fighting equipment, and particularly relates to a lever type radiation heat starting spray head.
Background
Traditional closed sprinkler head relies on absorbing convection heat, makes the temperature sensing element heat up, and when reaching the uniform temperature, the temperature sensing element action, the shower nozzle starts the water spray and puts out a fire. However, because the temperature sensing element of the traditional closed sprinkler head is installed in the sprinkler head frame and is blocked by the splash plate, the temperature sensing element cannot receive the radiant heat emitted by a burning object and can only absorb the convection heat when smoke flows through the sprinkler head. When the nozzle is installed at a position far away from the top plate or not installed on a path along which smoke flows, the temperature sensing element of the nozzle cannot absorb heat, so that the nozzle cannot be started. Therefore, the design of a nozzle capable of absorbing convection heat and directly receiving radiant heat of a burning object is an urgent technical problem to be solved in the field.
Disclosure of Invention
In view of this, the present invention provides a lever type radiation heat-activated spray head to solve the technical problem that the conventional spray head cannot be normally activated.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a lever type radiant heat starting spray head comprises a body and a splash plate, wherein the body is tubular and is provided with external threads, the body is connected with the splash plate through a spray head frame, the two ends of the body are respectively provided with a water inlet end and a water outlet end, a sealing seat is installed at the water outlet end, an inclined pressing rod which is used for applying pressure to the sealing seat and is obliquely arranged is installed between the sealing seat and the splash plate, and a starting assembly which is linked with the inclined pressing rod is installed on the spray head body.
Furthermore, the starting assembly comprises a temperature sensing element, a lever, a first adjusting screw, a second adjusting screw, two outer pull rods and two fixing hooks;
the temperature sensing element comprises two metal sheets arranged on the outer side of the splash plate, the end parts of the metal sheets are mutually welded through fusible solder, and each metal sheet is provided with a through hole;
the two fixing hooks are symmetrically arranged on two sides of the body;
the top end of the outer pull rod is provided with a bent part, the bottom end of the outer pull rod is provided with a hooking part, the bent part penetrates through the through hole of the metal sheet, meanwhile, the metal sheet applies a pulling force to the outer pull rod towards the center direction, and the hooking part is hooked with the fixed hook;
the lever comprises an upper bending part and a straight rod part, the upper bending part is arranged at the top of the inclined pressing rod, threaded holes are formed in the outer pull rod and the splash plate, the first adjusting screw penetrates through the threaded hole in the splash plate and abuts against the upper bending part, and the second adjusting screw penetrates through the threaded hole in the outer pull rod and abuts against the straight rod part.
Furthermore, the starting assembly further comprises a supporting rod, one end of the supporting rod is fixedly connected with the outer pull rod, the other end of the supporting rod is abutted against the lower portion of the inclined pressing rod, and the supporting rod and the lever are respectively arranged on two sides of the inclined pressing rod.
Further, the fixed hook is L-shaped, and comprises a vertical part and a horizontal plate vertically connected with the vertical part, the vertical part is symmetrically arranged on two sides of the body, and the horizontal part extends to the center of the body.
Furthermore, the lower surface of the upper bending part of the lever is provided with a groove matched with the top of the inclined pressure rod, and the surface of the sealing cover is provided with a groove matched with the bottom of the inclined pressure rod.
Furthermore, the upper surface of the upper bending part of the lever is provided with a tapered hole matched with the bottom of the first adjusting screw, and the outer surface of the straight rod part of the lever is provided with a tapered hole matched with the bottom of the second adjusting screw.
Furthermore, the fixing hook and the pressing rod are both flat rod pieces.
Furthermore, the included angle between the bending part of the lever and the straight rod part is an obtuse angle.
Furthermore, the water splashing disc is disc-shaped, and tooth grooves are uniformly formed in the surface of the water splashing disc along the circumferential direction.
Further, the body, the sealing seat and the splash plate are coaxially arranged.
Compared with the prior art, the lever type radiation heat starting spray head has the following advantages:
according to the transverse pressure bar type radiant heat starting spray head, the temperature sensing element is arranged on the outermost side of the spray head, so that the temperature sensing element can absorb radiant heat without being blocked, the temperature sensing element can absorb convection heat and can also directly receive radiant heat emitted by a burning object, and the spray head can be quickly started.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of a lever type radiant heat activated spray head according to an embodiment of the present invention;
FIG. 2 is a side view of a lever type radiant heat activated spray head according to an embodiment of the present invention;
FIG. 3 is a top view of a lever type radiant heat activated spray head according to an embodiment of the present invention;
FIG. 4 is a perspective view of a lever type radiant heat activated spray head in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a lever according to an embodiment of the present invention.
Description of reference numerals:
1. a body; 2. a splash pan; 3. a sealing seat; 4. an outer pull rod; 41. a hooking part; 42. a bending section; 5. a strut; 61. a first adjusting screw; 62. a second adjusting screw; 7. a fusible sheet; 8. a lever; 81. an upper bending part; 82. a straight rod part; 9. an inclined pressure lever; 10. a fixed hook; 11. a sprayer frame.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-4, a lever 8-type radiant heat starting spray head comprises a body 1 and a splash pan 2, wherein the body 1 is tubular and provided with external threads for being connected with a water pipe, the splash pan 2 is disc-shaped, and tooth grooves are uniformly formed in the surface of the splash pan along the circumferential direction.
The body 1 is connected with the splash box 2 through the spray head frame 11, the two ends of the body 1 are respectively provided with a water inlet end and a water outlet end, the water outlet end is provided with a sealing seat 3, an inclined pressure rod 9 which is used for applying pressure to the sealing seat 3 and is obliquely arranged is arranged between the sealing seat 3 and the splash box 2, and the body 1 is provided with a starting assembly which is linked with the inclined pressure rod 9.
Specifically, the starting assembly comprises a temperature sensing element 7, a lever 8, a first adjusting screw 61, a second adjusting screw 62, a support rod 5, two outer pull rods 4 and two fixing hooks 10, and the structures and the connection relations of the components are as follows:
the temperature sensing element 7 comprises two metal sheets arranged on the outer side of the splash pan 2, the ends of the metal sheets are mutually welded by fusible solder (the solder is 74-degree alloy solder purchased from Shanghai chart New type welding materials Co., Ltd.), each metal sheet is provided with a through hole (not shown in the figure), and the metal sheets are preferably copper sheets.
The two fixing hooks 10 are symmetrically arranged on the left side and the right side of the body 1.
Each fixing hook 10 is correspondingly connected with one outer pull rod 4, a bent part 42 is arranged at the top end of each outer pull rod 4, a hooking part 41 is arranged at the bottom end of each outer pull rod 4, the bent part 42 penetrates through a through hole of a metal sheet, meanwhile, the metal sheet applies pulling force towards the central direction to the outer pull rod 4, and the hooking part 41 is hooked with the fixing hook 10; specifically, the fixing hook 10 is L-shaped, and includes a vertical portion and a horizontal plate vertically connected to the vertical portion, the vertical portion is symmetrically installed at both sides of the body 1, and the horizontal portion extends toward the center of the body 1. The hooking portion 41 is bent inward to be hooked with the L-shaped fixing hook 10.
Referring to fig. 5, the lever 8 includes an upper bending portion 81 and a straight rod portion 82, an included angle between the upper bending portion 81 and the straight rod portion 82 is an obtuse angle, the upper bending portion 81 is disposed at the top of the oblique pressing rod 9, threaded holes are disposed on the outer pull rod 4 and the water splashing tray 2, the first adjusting screw 61 passes through the threaded hole on the water splashing tray 2 to abut against the upper bending portion 81, and the second adjusting screw 62 passes through the threaded hole on the outer pull rod 4 to abut against the straight rod portion 82.
One end of the supporting rod 5 is fixedly connected with the outer pull rod 4, the other end of the supporting rod is abutted against the lower part of the inclined pressing rod 9, and the supporting rod 5 and the lever 8 are respectively arranged on the left side and the right side of the inclined pressing rod 9.
The lower surface of the upper bending part 81 of the lever 8 is provided with a groove (not shown in the figure) matched with the top of the inclined pressing rod 9, and the surface of the sealing cover is provided with a groove (not shown in the figure) matched with the bottom of the inclined pressing rod 9, so that the assembly of the spray head is facilitated, and the overall stability is ensured.
The second adjusting screw props against the lower end of the lever 8, and because the included angle between the upper bending part 81 and the straight rod part 82 is an obtuse angle, the groove at the upper end of the lever 8 generates horizontal thrust on the upper end of the inclined pressing rod 9, so that the inclined pressing rod 9 does not topple over and presses the sealing seat 3.
One end of the supporting rod 5 is fixed with the left outer pull rod 4, the other end of the supporting rod abuts against the lower portion of the inclined pressing rod 9, under the condition that the second adjusting screw generates acting force, the two outer pull rods 4 are not inclined, and meanwhile, the supporting rod 5 abuts against the lower portion of the inclined pressing rod 9 to further prevent the inclined pressing rod 9 from falling.
Preferably, in this embodiment, the upper surface of the upper bent portion 81 of the lever 8 is provided with a tapered hole (not shown in the figure) matching with the bottom of the first adjusting screw 61, and the outer surface of the straight rod portion 82 of the lever 8 is provided with a tapered hole (not shown in the figure) matching with the bottom of the second adjusting screw 62.
The fixing hook 10 in this embodiment is an L-shaped flat rod member, and the support rod 5, the outer pull rod 4, the diagonal compression rod 9 and the lever 8 are all flat rod members.
In the present embodiment, the body 1, the seal holder 3, and the splash plate 2 are preferably provided coaxially.
The working process of the invention is as follows:
when a fire disaster happens, the metal sheets arranged on the outermost side of the top of the spray head are heated under the action of radiant heat, when the temperature is raised to a certain temperature, the solder between the metal sheets is melted, the two metal sheets are separated, the upper parts of the 2 outer pull rods 4 are not restrained, the bent parts 42 of the 2 outer pull rods 4 move towards the direction far away from each other, the lower parts of the outer pull rods 4 are separated from the fixed hooks 10, and the outer pull rods 4 fall off from the spray head body 1. The second adjusting screw installed on the outer pull rod 4 is separated from the lever 8, after the lower portion of the lever 8 loses the restraining force, the horizontal thrust of the upper portion of the lever 8 to the upper end of the inclined pressing rod 9 disappears, the inclined pressing rod 9 topples over due to unbalanced stress, the upper portion of the sealing seat 3 loses pressure, and finally under the action of water pressure, the sealing seat 3 is jacked open, and water spraying and fire extinguishing are conducted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a lever radiation heat starts shower nozzle which characterized in that: the water splashing device comprises a body (1) and a water splashing disc (2), wherein the body (1) is tubular and is provided with an external thread, the body (1) is connected with the water splashing disc (2) through a spray head frame (11), the two ends of the body (1) are respectively provided with a water inlet end and a water outlet end, the water outlet end is provided with a sealing seat (3), an inclined pressing rod (9) which is used for applying pressure to the sealing seat (3) and is obliquely arranged is arranged between the sealing seat (3) and the water splashing disc (2), and a starting assembly which is linked with the inclined pressing rod (9) is arranged on the body (1);
the starting assembly comprises a temperature sensing element (7), a lever (8), a first adjusting screw (61), a second adjusting screw (62), two outer pull rods (4) and two fixing hooks (10);
the temperature sensing element (7) comprises two metal sheets arranged on the outer side of the splash plate (2), the end parts of the metal sheets are mutually welded through fusible solder, and each metal sheet is provided with a through hole;
the two fixing hooks (10) are symmetrically arranged on two sides of the spray head body (1);
a bent part (42) is arranged at the top end of the outer pull rod (4), a hooking part (41) is arranged at the bottom end of the outer pull rod, the bent part (42) penetrates through a through hole of a metal sheet, meanwhile, the metal sheet applies a pulling force to the outer pull rod (4) in the central direction, and the hooking part (41) is hooked with the fixing hook (10);
the lever (8) comprises an upper bending part (81) and a straight rod part (82), the upper bending part (81) is arranged at the top of the inclined compression rod (9), threaded holes are formed in the outer pull rod (4) and the splash water plate (2), the first adjusting screw (61) penetrates through the threaded hole in the splash water plate (2) to abut against the upper bending part (81), and the second adjusting screw (62) penetrates through the threaded hole in the outer pull rod (4) to abut against the straight rod part (82);
the starting assembly further comprises a supporting rod (5), one end of the supporting rod (5) is fixedly connected with the outer pull rod (4), the other end of the supporting rod is abutted against the lower portion of the inclined pressing rod (9), and the supporting rod (5) and the lever (8) are respectively arranged on two sides of the inclined pressing rod (9);
the fixing hook (10) is L-shaped and comprises a vertical part and a horizontal plate vertically connected with the vertical part, the vertical part is symmetrically arranged on two sides of the body (1), and the horizontal part extends to the center of the body (1).
2. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the lower surface of an upper bending part (81) of the lever (8) is provided with a groove matched with the top of the inclined pressure rod (9), and the surface of the sealing seat is provided with a groove matched with the bottom of the inclined pressure rod (9).
3. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the upper surface of the upper bending part (81) of the lever (8) is provided with a taper hole matched with the bottom of the first adjusting screw (61), and the outer surface of the straight rod part (82) of the lever (8) is provided with a taper hole matched with the bottom of the second adjusting screw (62).
4. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the fixing hook (10) and the pressure lever are both flat rod pieces.
5. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the included angle between the upper bending part (81) of the lever (8) and the straight rod part (82) is an obtuse angle.
6. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the water splashing disc (2) is disc-shaped, and tooth grooves are uniformly formed in the surface of the water splashing disc along the circumferential direction.
7. A lever type radiant heat activated spray head as claimed in claim 1 wherein: the body (1), the sealing seat (3) and the splash plate (2) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320759.7A CN110947142B (en) | 2019-12-19 | 2019-12-19 | Lever type radiation heat starting spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911320759.7A CN110947142B (en) | 2019-12-19 | 2019-12-19 | Lever type radiation heat starting spray head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110947142A CN110947142A (en) | 2020-04-03 |
| CN110947142B true CN110947142B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911320759.7A Active CN110947142B (en) | 2019-12-19 | 2019-12-19 | Lever type radiation heat starting spray head |
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| CN (1) | CN110947142B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753418Y (en) * | 2004-12-14 | 2006-01-25 | 四川消防机械总厂 | Concealed fusible alloy jet head |
| CN201008714Y (en) * | 2007-01-17 | 2008-01-23 | 上海金盾消防安全设备有限公司 | Sprinkling showerhead with temperature sensing element arranged outside |
| CN201524375U (en) * | 2009-11-14 | 2010-07-14 | 瑞安市长城消防器材有限公司 | Early-state spray head capable of preventing quick response |
| CN104096333A (en) * | 2014-06-10 | 2014-10-15 | 浙江恒安消防安全设备有限公司 | Early suppression fast response sprinkler |
| CN207356436U (en) * | 2017-09-26 | 2018-05-15 | 浙江瑞城消防设备有限公司 | Early stage suppresses rapid response sprinkler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016067509A (en) * | 2014-09-29 | 2016-05-09 | 能美防災株式会社 | Fire extinguishing head |
-
2019
- 2019-12-19 CN CN201911320759.7A patent/CN110947142B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753418Y (en) * | 2004-12-14 | 2006-01-25 | 四川消防机械总厂 | Concealed fusible alloy jet head |
| CN201008714Y (en) * | 2007-01-17 | 2008-01-23 | 上海金盾消防安全设备有限公司 | Sprinkling showerhead with temperature sensing element arranged outside |
| CN201524375U (en) * | 2009-11-14 | 2010-07-14 | 瑞安市长城消防器材有限公司 | Early-state spray head capable of preventing quick response |
| CN104096333A (en) * | 2014-06-10 | 2014-10-15 | 浙江恒安消防安全设备有限公司 | Early suppression fast response sprinkler |
| CN207356436U (en) * | 2017-09-26 | 2018-05-15 | 浙江瑞城消防设备有限公司 | Early stage suppresses rapid response sprinkler |
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| CN110947142A (en) | 2020-04-03 |
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