CN115040815B

CN115040815B - Closed suspension type sprinkler head with falling end

Info

Publication number: CN115040815B
Application number: CN202210609894.9A
Authority: CN
Inventors: 陈维新; 朱紹萍; 陈衍坤; 陈姝妍; 陈春香; 陈伟明
Original assignee: Fujian Shuanglong Fire Technology Co ltd
Current assignee: Fujian Shuanglong Fire Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-30
Anticipated expiration: 2042-05-31
Also published as: CN115040815A

Abstract

A suspended sprinkler nozzle with a closed dropping end structurally comprises a yoke arm seat, wherein an external thread connecting end is arranged at the top of the yoke arm seat, a yoke arm frame is arranged at the edge of the bottom surface of the yoke arm seat, when a fire disaster occurs, high temperature is in contact with the closed dropping end, the closed dropping end conducts heat, the heat is transmitted to an fusible piece, the fusible piece is heated and melted, the limitation on a limiting steel ball is removed, a first spring removes elastic force limitation, rebounds to drive the limiting steel ball to retract into a containing groove, the limiting seat is disconnected from the yoke arm seat and is connected with the yoke arm seat, meanwhile, a second spring removes limitation, rebounds to drive a sliding limiting block to move downwards, the sliding limiting block drives a flow guide pipe to move downwards, a water outlet hole is exposed, the sealing block removes the flow guide pipe, water entering the external thread connecting end enters the flow guide pipe and is sprayed out from a water outlet hole to be in contact with a splashing disc, the splashing water is dispersed and the closed dropping end at the moment is in a suspended state, and the effect on the escape difficulty work of people can be avoided.

Description

Closed suspension type sprinkler head with falling end

Technical Field

The invention discloses a suspended sprinkler with a closed drop end, and belongs to the field of sprinklers.

Background

When the existing fire-fighting sprinkler head encounters a fire disaster, the glass tube is broken or the closed dropping end falls down, so that the person who runs out of the fire disaster site is disturbed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a suspended sprinkler with a closed drop end, so as to solve the problem that when the existing fire-fighting sprinkler encounters a fire, a glass tube is broken or the closed drop end falls, so that the glass tube interferes with people who run out of a fire scene.

In order to realize the purpose, the invention is realized by the following technical scheme: a suspended sprinkler nozzle with a closed dropping end structurally comprises a yoke arm seat, wherein an external thread connecting end is arranged at the top of the yoke arm seat, a yoke arm frame is arranged at the edge of the bottom surface of the yoke arm seat, a water splashing disc is arranged at the lower end of the yoke arm frame, the closed dropping end is embedded in the center of the bottom surface of the yoke arm seat, a limiting seat is arranged on the outer wall of the top of the closed dropping end, two outer side walls of the limiting seat are respectively provided with a containing groove, a limiting steel ball is movably arranged on the containing groove, one side of the limiting steel ball facing the closed dropping end is provided with an fusible piece, the other end of the fusible piece penetrates through the containing groove to be connected with the outer wall of the closed dropping end, a first spring is arranged between the limiting steel ball and the inner wall of the containing groove, spacing steel ball is kept away from and is accomodate a tip and inlay in yoke armlet seat, be equipped with the draw-in groove with spacing steel ball looks block in the yoke armlet seat, spacing top surface is equipped with the honeycomb duct, be equipped with in the external thread connection top and carry out confined closing block to honeycomb duct upper end notch, be equipped with the link between closing block and the external thread connection inner wall, be equipped with the slip spacing groove in the external thread connection bottom, honeycomb duct middle part outer wall is equipped with the slip stopper of sliding fit-in slip spacing groove, be equipped with the second spring between slip stopper and the slip spacing tank bottom surface, honeycomb duct bottom interval is equipped with a plurality of water outlet.

Further, the first spring and the second spring are both in a stretching state.

Furthermore, the closed dropping end is made of a heat conducting material.

Furthermore, when the sliding limiting block moves to the bottom surface of the sliding limiting groove, the water outlet hole is exposed in the air.

Furthermore, the middle part of the bottom surface of the yoke arm seat is also provided with a notch corresponding to the limiting seat.

The invention has the beneficial effects that: when a fire disaster occurs, high temperature is in contact with the closed dropping end, the closed dropping end conducts heat, heat is transferred to the fusible piece, the fusible piece is heated and melted, the limitation on the limiting steel balls is removed, the first spring removes the elastic force limitation and rebounds to drive the limiting steel balls to retract into the accommodating grooves, the limiting seat is disconnected from the yoke arm seat to be limited and connected, meanwhile, the second spring removes the limitation and rebounds to drive the sliding limiting block to move downwards, the sliding limiting block drives the flow guide pipe to move downwards, the water outflow hole is exposed, the sealing block removes the sealing of the flow guide pipe, water entering the external thread connecting end enters the flow guide pipe, finally the water outflow hole is sprayed out to be in contact with the splash disc, the splash water is scattered to extinguish the fire, the closed dropping end at the moment is in a suspension state and cannot drop to the ground to influence the escape difficulty work of people.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an inverted three-dimensional structure of a suspended sprinkler head with a closed drop-off end according to the present invention;

FIG. 2 is a schematic view showing a connection section of the yoke arm base and the male screw connection end;

fig. 3 is an enlarged sectional view of a in fig. 2.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1, 2 and 3, the present invention provides a suspension type sprinkler head with a sealed drop-off end, which comprises: the structure of the device comprises a yoke arm seat 1, the top of the yoke arm seat 1 is provided with an external thread connecting end 2, the edge of the bottom surface of the yoke arm seat 1 is provided with a yoke arm frame 3, the lower end of the yoke arm support 3 is provided with a splash pan 4, the center of the bottom surface of the yoke arm support 1 is embedded with a closed dropping end 5, the outer wall of the top of the closed dropping end 5 is provided with a limiting seat 6, the outer walls of the two sides of the limiting seat 6 are provided with a containing groove 7, a limiting steel ball 8 is movably arranged on the containing groove 7, an easily-melting piece 9 is arranged on one side of the limiting steel ball 8 facing the closed dropping end 5, the other end of the fusible component 9 penetrates through the accommodating groove 7 to be connected with the outer wall of the closed dropping end 5, a first spring 10 is arranged between the limiting steel ball 8 and the inner wall of the accommodating groove 7, one end part of the limiting steel ball 8 far away from the containing groove 7 is embedded in the yoke arm seat 1, a clamping groove 11 clamped with the limiting steel ball 8 is arranged in the yoke arm seat 1, a flow guide pipe 12 is arranged on the top surface of the limiting seat 6, a sealing block 13 for sealing the notch at the upper end of the flow guide pipe 12 is arranged in the top of the external thread connecting end 2, a connecting frame 14 is arranged between the sealing block 13 and the inner wall of the external thread connecting end 2, a sliding limiting groove 15 is arranged in the bottom of the external thread connecting end 2, the outer wall of the middle part of the draft tube 12 is provided with a sliding limit block 16 which is matched with the sliding limit groove 15 in a sliding way, a second spring 17 is arranged between the sliding limiting block 16 and the bottom surface of the sliding limiting groove 15, a plurality of water outflow holes 18 are arranged at the bottom of the draft tube 12 at intervals, the first spring 10 and the second spring 17 are both in a stretching state, the closed dropping end 5 is made of a heat conducting material, when the sliding limiting block 16 moves to the bottom surface of the sliding limiting groove 15, the water outlet hole 18 is exposed in the air, and the middle part of the bottom surface of the yoke arm seat 1 is also provided with a notch corresponding to the limiting seat 6.

For example, when a fire occurs, high temperature contacts the closed dropping end 5, the closed dropping end 5 conducts heat, heat is transferred to the fusible piece 9, the fusible piece 9 is heated and melted to remove the restriction on the limit steel balls 8, the first spring 10 removes the elastic restriction to rebound to drive the limit steel balls 8 to retract into the accommodating groove 7, the limit seat 6 is disconnected from the yoke arm seat 1, the second spring 17 removes the restriction to rebound to drive the sliding limit block 16 to move downwards, the sliding limit block 16 drives the guide pipe 12 to move downwards, the water outflow hole 18 is exposed, the sealing block 13 removes the sealing on the guide pipe 12, water entering the external thread connecting end 2 flows into the guide pipe 12 and is finally sprayed out from the water outflow hole 18 to contact with the splash water plate 4 to disperse the splash water to extinguish the fire, and the closed dropping end 5 at the moment is in a suspension state and cannot fall to the ground to cause influence on the escape of people.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a seal floated sprinkler head of end that drops which characterized in that: the structure of the device comprises a yoke arm seat (1), an external thread connecting end (2) is arranged at the top of the yoke arm seat (1), a yoke arm frame (3) is arranged at the edge of the bottom surface of the yoke arm seat (1), a splash disc (4) is arranged at the lower end of the yoke arm frame (3), a closed dropping end (5) is embedded in the center of the bottom surface of the yoke arm seat (1), a limiting seat (6) is arranged on the outer wall of the top of the closed dropping end (5), accommodating grooves (7) are formed in the outer walls of the two sides of the limiting seat (6), limiting steel balls (8) are movably arranged on the accommodating grooves (7), an easily-melting piece (9) is arranged on one side of the limiting steel balls (8) facing the closed dropping end (5), the other end of the easily-melting piece (9) penetrates through the accommodating grooves (7) to be connected with the outer wall of the closed dropping end (5), a first spring (10) is arranged between the limiting steel balls (8) and the inner wall of the accommodating grooves (7), a limiting steel ball clamping groove (8) is embedded in the yoke arm seat (1), a limiting block (12) is arranged in the top surface of the guide pipe seat (6) and is arranged on the top surface of the limiting steel ball guide pipe (12), be equipped with link (14) between closed piece (13) and external thread connection end (2) inner wall, be equipped with slip spacing groove (15) in external thread connection end (2) bottom, honeycomb duct (12) middle part outer wall is equipped with slip stopper (16) of sliding spacing groove (15) of joining in with sliding, be equipped with second spring (17) between slip stopper (16) and slip spacing groove (15) bottom surface, honeycomb duct (12) bottom interval is equipped with a plurality of water outflow hole (18).

2. The suspended sprinkler head with the closed drop end according to claim 1, wherein: the first spring (10) and the second spring (17) are both in a stretched state.

3. The suspended sprinkler head with the closed drop end according to claim 1, wherein: the closed dropping end (5) is made of heat conducting materials.

4. The suspended sprinkler head with the closed drop end according to claim 1, wherein: when the sliding limiting block (16) moves to the bottom surface of the sliding limiting groove (15), the water outlet hole (18) is exposed in the air.

5. A closed drop end suspension sprinkler head according to claim 1, wherein: the middle part of the bottom surface of the yoke arm seat (1) is also provided with a notch corresponding to the limiting seat (6).