CN209967498U - Nozzle actuated by heat sensitive element - Google Patents
Nozzle actuated by heat sensitive element Download PDFInfo
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- CN209967498U CN209967498U CN201920701222.4U CN201920701222U CN209967498U CN 209967498 U CN209967498 U CN 209967498U CN 201920701222 U CN201920701222 U CN 201920701222U CN 209967498 U CN209967498 U CN 209967498U
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- steel ball
- frame
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- fusible alloy
- spray head
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Abstract
The utility model discloses a shower nozzle of heat-sensitive element action, including the frame, its characterized in that: the top and the bottom of the frame are respectively provided with a pre-tightening screw and a sealing seat, a lever assembly is arranged between the pre-tightening screw and the sealing seat and comprises a support, a balance frame, a steel ball, a gasket and a fusible alloy, the support and the balance frame are mutually abutted through the steel ball, the fusible alloy is embedded in the bottom of the support and is pressed by the steel ball, and the bottom end of the balance frame is abutted and clamped with the steel ball; the top of the frame on the pre-tightening screw is fixedly connected with a water splashing disc through a bolt; the utility model discloses an at the internal installation lever subassembly of frame, be heated when the fusible alloy and melt, the steel ball loses the holding power and sink and lead to losing the gimbal that offsets with the steel ball and lose and upwards pop out and cause heat-sensitive component action shower nozzle water spray work by pressure, this kind of heat-sensitive component action simple structure is reasonable, structural strength is stable, the safety in utilization performance is high and can not the mistake spout or spray in advance.
Description
Technical Field
The utility model relates to a shower nozzle specifically is a shower nozzle of heat-sensitive element action.
Background
Along with the continuous perfect of construction field fire control facility, the fire control shower nozzle uses more and more extensively, and this patent involves the fire control shower nozzle and includes: sprinkler heads, Early Suppression Fast Response (ESFR) heads, area-enlarging sprinkler heads, household heads, closed water mist heads, closed water curtain heads, fire-control type heads for special applications, and sprinkler heads for non-warehouse high-headroom locations. The fire-fighting nozzle is used as a terminal product on the automatic water-spraying fire-extinguishing system, plays a key role in the automatic water-spraying fire-extinguishing system and is directly related to the fire-extinguishing effect of the automatic water-spraying fire-extinguishing system. When a fire occurs, the environmental temperature in the area is rapidly raised, and when a certain action temperature is reached, the glass balls of the heat sensitive elements arranged on the spray head expand and break, and the spray head is started to sprinkle water to extinguish fire; or the fusible alloy is melted, so that the element structure loses balance, and the spray head is started to spray water to extinguish fire.
The nozzles are opened by the action of the heat sensitive element, so that the water spraying and fire extinguishing of the nozzles are realized. The fusible alloy element is one of the heat sensitive action elements and forms a different heat sensitive action structure with other elements. The existing fusible alloy heat sensitive element action structure generally adopts a welding structure type. The action of the welding type structure heat sensitive element is commonly used, but the action of the welding type structure heat sensitive element has the problem of uneven structural strength after welding due to the problems of welding process, personnel and technology and the like; in addition, the pre-tightening force for installing the spray head also influences the strength of the welding element, the welding strength of the heat sensitive element with the welding type structure can be influenced to a certain degree to be reduced along with the rise of the environmental temperature when the heat sensitive element acts, and meanwhile, the working pressure during use can also act on the heat sensitive element through the lever principle, so that the action temperature of the spray head is influenced, the spray head is mistakenly sprayed or sprayed in advance, and the economic loss is brought. The utility model discloses a set up to the action of the heat-sensitive element of a type structure that packs, put into the fusible alloy in the mounting hole as packing, do not have the influence that receives factors such as welding process, personnel's technique, and reduce heat-sensitive element's intensity, the fusible alloy is as packing when assembly and use, is the pulling force of pressure and non-welding type that acts on the fusible alloy, and its intensity is not influenced to the technical problem who has avoided the shower nozzle mistake to spout and spray in advance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the shower nozzle of the heat-sensitive element action of foretell welding type structure and easily take place the mistake and spout and spray the technical problem who sprays in advance to a shower nozzle that a simple structure is reasonable, compressive strength is stable, the safety in utilization performance is high and can not spout or spray in advance a heat-sensitive element action can not the mistake.
The utility model provides a technical scheme that above-mentioned problem adopted does: a spray head for action of a heat sensitive element comprises a frame, wherein a pre-tightening screw and a sealing seat are respectively arranged at the top and the bottom of the frame, a lever assembly is arranged between the pre-tightening screw and the sealing seat and comprises a support, a balance frame, a steel ball, a gasket and a fusible alloy, the support and the balance frame are abutted against each other through the steel ball, the fusible alloy is embedded at the bottom of the support and is pressed by the steel ball through the gasket, and the bottom end of the balance frame is abutted against and clamped with the steel ball; the top of the frame on the pre-tightening screw is fixedly connected with a water splashing disc through a bolt; the utility model discloses an at the internal installation lever subassembly of frame, melt when the fusible alloy is heated rated temperature, and gasket and the steel ball that compress tightly on it lose the holding power and sink and lead to offsetting the card with the steel ball the bottom of gimbal loses and is pressed upwards to pop out, simultaneously with the seal receptacle and the gimbal top that the support supported respectively mutually with pretightening screw lose the strong point and make shower nozzle action spout water spray striking splash plate spray, this kind of heat-sensitive component action simple structure is reasonable, structural strength is stable, the safety in utilization can high and can not the mistake spout or spray in advance.
Preferably, the bottom of the bracket is provided with a bracket hole, and the bracket hole is internally provided with a fusible alloy, a gasket and a steel ball respectively; the fusible alloy and the gasket can be accurately filled in the support hole, and the steel ball is installed, so that the situation that the fusible alloy slips and is mistakenly sprayed is prevented.
Preferably, the longitudinal directions of the bracket and the balancing stand are eccentrically arranged with each other; the balancing stand is a bow-shaped bending structure, the top end of the balancing stand is abutted against the pre-tightening screw, and the bottom end of the balancing stand is clamped with the steel ball arranged in the support hole to keep balance.
Preferably, the upper end and the lower end of the bracket are provided with arc inclined plane type cone end structures for positioning.
Preferably, the bottom end of the balancing stand is provided with an arc-shaped groove, and the arc-shaped groove and the steel ball are matched with each other in a spherical manner.
Preferably, the upper and lower contact surfaces at the top of the balancing stand are respectively provided with a positioning end A and a positioning groove B, and the positioning end A and the positioning groove B have guiding and positioning functions.
Preferably, the bottom of the frame is provided with a water spray opening, the sealing seat is embedded in the water spray opening, and a sealing gasket is arranged between the bottom of the sealing seat and the water spray opening for sealing.
Preferably, the sealing seat and the water spray opening are matched with each other, and a positioning groove C is formed in the top of the sealing seat.
Compared with the prior art, the beneficial effects of the utility model are that: the heat sensitive element action structure adopts fusible alloy as filler to be filled in the support hole, the balancing stand is blocked by the steel ball and forms an eccentric lever structure with the support, the filler type heat sensitive element action structure is simplified, the assembly efficiency of a product is improved, the production cost is saved, the stability and the safety performance are good when the heat sensitive element action structure is used, and the phenomena of mistaken spraying and early spraying can be completely avoided.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
FIG. 4 is an enlarged view of the line A of FIG. 3;
FIG. 5 is an enlarged view of FIG. 3 taken along line B;
FIG. 6 is a cross-sectional view of the lever assembly of the present invention;
FIG. 7 is an enlarged view of the line A of FIG. 6;
shown in the figure: 1. the water spraying device comprises a frame, 11 water spraying ports, 2 lever assemblies, 21 supports, 211 support holes, 22 balance frames, 221 positioning ends A, 222 positioning grooves B, 223 arc-shaped grooves, 23 steel balls, 24 fusible alloy, 25 gaskets, 3 pretightening screws, 4 splash plates, 5 bolts, 6 sealing seats, 61 positioning grooves C and 7 sealing gaskets.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The embodiment is as follows: a spray head of a heat sensitive element action structure is shown in figure 1 and comprises a frame (1), wherein the top and the bottom of the frame (1) are respectively provided with a pre-tightening screw (3) and a sealing seat (6), and a lever assembly (2) is arranged between the pre-tightening screw (3) and the sealing seat (6); as shown in fig. 2, 3 and 6, the lever assembly (2) comprises a support (21), a balance frame (22), steel balls (23), a gasket (25) and a fusible alloy (24), as shown in fig. 4, a support hole (211) is formed in the bottom of the support (21), the fusible alloy (24), the gasket (25) and the steel balls (23) are respectively embedded in the support hole (211), the gasket (25) is placed on the fusible alloy (24) and is pressed by the steel balls (23), the support hole (211) is used for accurately filling the fusible alloy (24) and the gasket (25) and installing the steel balls (23) and preventing the fusible alloy (24) from sliding and being mistakenly sprayed, the support (21) and the balance frame (22) are mutually abutted through the steel balls (23), and the support (21) and the balance frame (22) are longitudinally and eccentrically arranged; the balance frame (22) is of an arch-shaped bending structure, the top end of the balance frame (22) is abutted against the pre-tightening screw (3), and the bottom end of the balance frame (22) is clamped with a steel ball (23) arranged in the support hole (211) to keep balance; the top of the frame (1) on the pre-tightening screw (3) is fixedly connected with a water splashing disc (4) through a bolt (5), the upper end and the lower end of a support (21) are provided with arc inclined plane type cone ends for positioning, as shown in figures 3 and 5, the bottom end of a balancing stand (22) is provided with an arc groove (223), the arc groove (223) and a steel ball (23) are in spherical joint with each other, as shown in figure 7, the upper contact surface and the lower contact surface of the top of the balancing stand (22) are respectively provided with a positioning groove end (221) and a positioning groove B (222), the positioning end A (221) and the positioning groove B (222) have the function of guiding and positioning, the bottom of the frame (1) is provided with a water spraying opening (11), a sealing gasket (7) is installed between the bottom of a sealing seat (6) and the frame (1) for sealing, the sealing seat (6) is installed in the water spraying opening (11) of the water spraying frame (1), the top of the sealing seat (6) is provided with a positioning groove C (61).
The utility model discloses a theory of operation is: the spray head fusible alloy is used as a filler, is embedded in a support hole together with a gasket and a steel ball, and is arranged in an eccentric structure through a lever assembly arranged in a frame, the lever assembly comprises a support and a balance frame, so that the balance frame is clamped by the steel ball arranged in the support hole to form a heat sensitive element action structure, the welding of the fusible alloy is omitted, the installation of a product is facilitated, and the heat sensitive element action structure is not influenced by the strength of a heat sensitive element any more due to the adoption of a fusible alloy filler mode; the safety and the reliability of the spray head are ensured; the specific working flow is that when the nozzle is installed on the closed automatic water spraying fire extinguishing system, the temperature of the area rises rapidly due to the fire, the fusible alloy of the heat sensitive element is melted and is extruded by the transmission pressure on the balancing stand on the steel ball gasket, the fusible alloy melting liquid flows out, the steel ball is separated from the balancing stand, so that the balancing stand and the bracket are out of balance, the sealing seat is flushed by water pressure, and the water is sprayed for fire extinguishing through the impact of the water splashing disc.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. A thermal-sensitive-element-actuated sprinkler comprising a frame (1), characterized in that: the top and the bottom of the frame (1) are respectively provided with a pre-tightening screw (3) and a sealing seat (6), a lever assembly (2) is arranged between the pre-tightening screw (3) and the sealing seat (6), the lever assembly (2) comprises a support (21), a balance frame (22), a steel ball and a fusible alloy (24), the support (21) and the balance frame (22) are mutually abutted through the steel ball (23), the bottom of a hole of the support (21) is embedded with the fusible alloy (24), a gasket (25) is arranged on the fusible alloy (24), the gasket (25) is pressed by the steel ball (23), and the bottom end of the balance frame (22) is abutted and clamped with the steel ball (23); the top of the frame (1) on the pre-tightening screw (3) is fixedly connected with a water splashing disc (4) through a bolt (5).
2. A thermally responsive member actuated spray head as claimed in claim 1, wherein: the bottom of support (21) is equipped with support hole (211), install fusible alloy (24), gasket (25) and steel ball (23) respectively in support hole (211).
3. A thermally responsive member actuated spray head as claimed in claim 2, wherein: the longitudinal directions of the bracket (21) and the balancing stand (22) are eccentrically arranged with each other; the balance frame (22) is of an arch-shaped bending structure, the top end of the balance frame (22) is abutted against the pre-tightening screw (3), and the bottom end of the balance frame (22) is clamped with a steel ball (23) installed in the support hole (211).
4. A thermally responsive member actuated spray head as claimed in claim 3, wherein: the upper end and the lower end of the bracket (21) are provided with arc inclined plane type cone end structures.
5. The thermal sensor-actuated spray head of claim 4, wherein: the bottom of balancing stand (22) is equipped with arc wall (223), arc wall (223) with steel ball (23) sphere laminating each other.
6. A thermally responsive element actuated spray head as claimed in claim 5, wherein: the upper and lower contact surfaces of the top of the balancing stand (22) are respectively provided with a positioning end A (221) and a positioning groove B (222).
7. The thermal sensor-actuated spray head of claim 6, wherein: the bottom of frame (1) is equipped with water jet (11), seal receptacle (6) inlays the dress in water jet (11), and installs sealed pad (7) between the bottom of seal receptacle (6) and water jet (11) and be used for sealed.
8. A thermally responsive member actuated spray head as claimed in claim 7, wherein: the sealing seat (6) and the water spraying opening (11) are mutually matched, and a positioning groove C (61) is formed in the top of the sealing seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701222.4U CN209967498U (en) | 2019-05-15 | 2019-05-15 | Nozzle actuated by heat sensitive element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920701222.4U CN209967498U (en) | 2019-05-15 | 2019-05-15 | Nozzle actuated by heat sensitive element |
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| Publication Number | Publication Date |
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| CN209967498U true CN209967498U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920701222.4U Active CN209967498U (en) | 2019-05-15 | 2019-05-15 | Nozzle actuated by heat sensitive element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013639A (en) * | 2019-05-15 | 2019-07-16 | 宁波市北仑吉龙消防设备有限公司 | A kind of spray head of heat-sensitive element movement |
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2019
- 2019-05-15 CN CN201920701222.4U patent/CN209967498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013639A (en) * | 2019-05-15 | 2019-07-16 | 宁波市北仑吉龙消防设备有限公司 | A kind of spray head of heat-sensitive element movement |
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