Dry-type drooping fire sprinkler

Abstract

The utility model discloses a dry type drooping fire sprinkler which comprises an installation head, and an inner cavity of the installation head is movably connected with a sprinkler body. By arranging the mounting head, the spray head body, the spray head disc, the water outlet, the sealing plug, the glass ball, the connecting frame, the cylindrical seat, the pedestal, the connecting rod and the splash disc, after the clamping frame is moved towards the opposite side, the spray head body is inserted into the inner cavity of the mounting head, the clamping frame is loosened, and the clamping block on one side of the clamping frame is inserted into the inner cavity of the clamping groove under the action of the spring; the glass ball body is filled with an organic solution with a high thermal expansion coefficient, at normal temperature, a shell of the ball body can bear a certain supporting force, the sealing performance of the spray head is guaranteed, and when a fire occurs, the organic solution expands due to temperature rise until the glass body is broken; the sealing plug is separated from the inner cavity of the water outlet under the impact of water pressure, and water in the pipeline is sprayed out through the water outlet to extinguish fire.

Description

Technical Field

[0001] The utility model relates to the technical field of fire sprinkler heads, in particular to a dry drooping fire sprinkler head. Background Art

[0002] Fire sprinkler heads are used in fire sprinkler systems. When a fire occurs, fire water is evenly sprayed through the fire sprinkler heads to control the fire in a certain area. A glass ball is installed inside the fire sprinkler head. The glass ball is filled with an organic solution with a high thermal expansion coefficient. At room temperature, the outer shell of the ball can withstand a certain supporting force to ensure the sealing performance of the sprinkler head. When a fire occurs, the organic solution expands as the temperature rises until the glass body breaks, and the ball seat and seal are washed away by the water flow after losing support, thus starting to spray water to extinguish the fire;

[0003] For example, the disclosed utility model provides a "drooping fire sprinkler head", and its announcement number is: CN205994927U. The patent includes a frame, a sealing seat, a glass ball and a splash plate, and is characterized in that: it also includes a columnar member and a chain, the frame includes a main body, two connecting parts and a locking part, and a threaded through hole is provided at the position corresponding to the water outlet of the locking part. The glass ball can sense the heat source faster, speed up the start-up speed of the fire sprinkler head, and extinguish the fire more timely, and the sealing seat will not fall onto the splash plate;

[0004] However, this patent adopts a threaded connection method for installation, which requires multiple rotations during disassembly. The disassembly process is not simple enough. When the number of fire sprinklers is large, the labor cost will increase. Therefore, the purpose of the utility model is to improve the practicality of the fire sprinklers by providing a convenient installation structure. Utility Model Content

[0005] The purpose of the utility model is to provide a dry drooping fire sprinkler, which has the advantage of convenient disassembly and assembly, and solves the problem that the existing drooping fire sprinkler is installed by threaded connection, needs multiple rotations during disassembly, and the disassembly process is not simple enough. When the number of fire sprinklers is large, the labor cost will be increased.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry drooping fire sprinkler, comprising a mounting head, the inner cavity of the mounting head is movably connected to a sprinkler body, the bottom of the sprinkler body is fixedly connected to a sprinkler disc, a water outlet is provided at the bottom of the sprinkler disc, a sealing plug is movably connected to the inner cavity of the water outlet, a glass ball is arranged at the bottom of the sealing plug, both sides of the bottom of the sprinkler disc are fixedly connected to a connecting frame, the bottom of the connecting frame is fixedly connected to a cylindrical seat, the top of the cylindrical seat is fixedly connected to a cushion seat, the top of the cushion seat Contact with the bottom of the glass ball, the bottom of the cylindrical seat is fixedly connected with a connecting rod, the bottom of the connecting rod is provided with a splash plate, the bottoms of both sides of the mounting head are fixedly connected with fixed blocks, the opposite side of the fixed block is provided with a slot, the inner cavity of the slot is movably connected with a block, one side of the block is fixedly connected with a bracket, both sides of the top of the nozzle disk are fixedly connected with a limiting plate, the top of the limiting plate is provided with a limiting groove, one side of the inner cavity of the limiting groove is fixedly connected with a spring, and one end of the spring is fixedly connected to the bottom of one side of the bracket.

[0007] Preferably, a handle is fixedly connected to the opposite side of the card frame, and the surface of the handle is provided with anti-slip grooves.

[0008] Preferably, a plug hole is provided on the front side of the card block, a through hole is provided on the front side of the fixed block, and a latch is movably connected to the inner cavity of the plug hole.

[0009] Preferably, the top of the limiting plate is fixedly connected to a limiting frame, and the surface of the limiting frame is movably connected to the inner cavity of the card frame.

[0010] Preferably, one side opposite to the connecting frame is fixedly connected with a reinforcing rod, and one end of the reinforcing rod away from the connecting frame is fixedly connected with a rubber ferrule, and the inner cavity of the rubber ferrule is in contact with the surface of the glass ball.

[0011] Preferably, a fastening head is threadedly connected to the bottom of the connecting rod, and the top of the fastening head contacts the bottom of the deflector plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with a mounting head, a nozzle body, a nozzle plate, a water outlet, a sealing plug, a glass ball, a connecting frame, a cylindrical seat, a cushion seat, a connecting rod and a splash plate. After the bracket is moved to the opposite side, the nozzle body is inserted into the inner cavity of the mounting head, the bracket is released, and the card block on one side of the bracket is inserted into the inner cavity of the card slot under the action of a spring, and then the pin is inserted into the through hole on the front side of the fixing block and the jack on the front side of the card block. The glass ball is filled with an organic solution with a high thermal expansion coefficient. At room temperature, the outer shell of the ball can withstand a certain supporting force to ensure the sealing performance of the nozzle. When a fire occurs, the temperature of the organic solution rises and expands until the glass body is broken, and the sealing plug is separated from the inner cavity of the water outlet under the impact of water pressure, and the water in the pipeline is sprayed out through the water outlet to extinguish the fire.

[0014] 2. The utility model provides a handle to facilitate the fire sprinkler installer to hold and pull it by hand, and the handle drives the bracket to move. By providing a socket and a through hole and inserting a pin into the inner cavity of the two, the card block can be stably restricted in the inner cavity of the card slot. By providing a limit frame for limiting the bracket, the stability of the bracket during movement can be improved. By providing a reinforcement rod and a rubber sleeve, the rubber sleeve is clamped on both sides of the surface of the glass ball, which can play a certain protective role, so that the fire sprinkler will not be damaged by external force during transfer or transportation. By providing a fastening head, the fastening head is screwed on the bottom of the connecting rod, so as to support and limit the bottom of the splash plate, and the fastening head can be easily unscrewed to disassemble the splash plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 A local enlarged schematic diagram of point A in the middle.

[0018] In the figure: 1. mounting head; 2. nozzle body; 3. nozzle plate; 4. water outlet; 5. sealing plug; 6. glass ball; 7. connecting frame; 8. cylindrical seat; 9. cushion seat; 10. connecting rod; 11. splash plate; 12. fixing block; 13. slot; 14. clamping block; 15. clamping frame; 16. limit plate; 17. limit slot; 18. spring; 19. limit frame; 20. reinforcement rod; 21. rubber sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0021] See also Figure 1-3 A dry drooping fire sprinkler comprises a mounting head 1, the inner cavity of the mounting head 1 is movably connected with a sprinkler body 2, the bottom of the sprinkler body 2 is fixedly connected with a sprinkler disc 3, a water outlet 4 is provided at the bottom of the sprinkler disc 3, a sealing plug 5 is movably connected to the inner cavity of the water outlet 4, a glass ball 6 is arranged at the bottom of the sealing plug 5, both sides of the bottom of the sprinkler disc 3 are fixedly connected with a connecting frame 7, the bottom of the connecting frame 7 is fixedly connected with a cylindrical seat 8, the top of the cylindrical seat 8 is fixedly connected with a cushion seat 9, the top of the cushion seat 9 contacts the bottom of the glass ball 6, and the bottom of the cylindrical seat 8 is fixedly A connecting rod 10 is connected, and a splash plate 11 is provided at the bottom of the connecting rod 10. Fixed blocks 12 are fixedly connected to the bottoms of both sides of the mounting head 1. A slot 13 is provided on the opposite side of the fixed block 12. A block 14 is movably connected to the inner cavity of the slot 13. A bracket 15 is fixedly connected to one side of the bracket 14. Limiting plates 16 are fixedly connected to both sides of the top of the nozzle disc 3. A limiting groove 17 is provided on the top of the limiting plate 16. A spring 18 is fixedly connected to one side of the inner cavity of the limiting groove 17. One end of the spring 18 is fixedly connected to the bottom of one side of the bracket 15.

[0022] A pull handle is fixedly connected to the opposite side of the card frame 15, and the surface of the pull handle is provided with anti-slip grooves.

[0023] Through the above technical solution, by providing a pull handle, it is convenient for the fire sprinkler installer to hold and pull it by hand, and the pull handle drives the bracket 15 to move.

[0024] The front of the clamping block 14 is provided with an insertion hole, the front of the fixing block 12 is provided with a through hole, and the inner cavity of the insertion hole is movably connected with a latch.

[0025] Through the above technical solution, by providing the insertion hole and the through hole and inserting the pin into the inner cavity of the two, the card block 14 can be stably restricted in the inner cavity of the card slot 13.

[0026] The top of the limiting plate 16 is fixedly connected to the limiting frame 19 , and the surface of the limiting frame 19 is movably connected to the inner cavity of the card frame 15 .

[0027] Through the above technical solution, by providing the limiting frame 19 to limit the card frame 15, the stability of the card frame 15 during movement can be improved.

[0028] The opposite sides of the connecting frame 7 are fixedly connected with reinforcement rods 20 , and the end of the reinforcement rod 20 away from the connecting frame 7 is fixedly connected with a rubber sleeve 21 , and the inner cavity of the rubber sleeve 21 contacts the surface of the glass ball 6 .

[0029] Through the above technical solution, by setting the reinforcement rod 20 and the rubber sleeve 21, the rubber sleeve 21 is clamped on both sides of the surface of the glass ball 6, which can play a certain protective role, so that the fire sprinkler will not be damaged by external force during the transfer or transportation process.

[0030] A fastening head is threadedly connected to the bottom of the connecting rod 10 , and the top of the fastening head contacts the bottom of the deflector plate 11 .

[0031] Through the above technical solution, by providing a fastening head, the fastening head is screwed on the bottom of the connecting rod 10, so that the bottom of the splash plate 11 can be supported and limited, and the fastening head can be easily unscrewed to disassemble the splash plate 11.

[0032] When in use, move the fire sprinkler to the bottom of the mounting head 1, move the bracket 15 to the opposite side, insert the sprinkler body 2 into the inner cavity of the mounting head 1, loosen the bracket 15, and the block 14 on one side of the bracket 15 is inserted into the inner cavity of the slot 13 under the action of the spring 18, and then insert the pin into the through hole on the front side of the fixing block 12 and the jack on the front side of the block 14. The glass ball 6 is filled with an organic solution with a high thermal expansion coefficient. At room temperature, the outer shell of the ball can withstand a certain supporting force to ensure the sealing performance of the sprinkler. When a fire occurs, the temperature of the organic solution rises and expands until the glass ball 6 breaks. The sealing plug 5 is separated from the inner cavity of the water outlet 4 under the impact of water pressure, and the water in the pipeline is sprayed onto the splash plate 11 through the water outlet 4, and splashes out in a fan shape to extinguish the fire.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry drooping fire sprinkler, comprising a mounting head (1), characterized in that: The inner cavity of the mounting head (1) is movably connected to a nozzle body (2), the bottom of the nozzle body (2) is fixedly connected to a nozzle disc (3), the bottom of the nozzle disc (3) is provided with a water outlet (4), the inner cavity of the water outlet (4) is movably connected to a sealing plug (5), the bottom of the sealing plug (5) is provided with a glass ball (6), both sides of the bottom of the nozzle disc (3) are fixedly connected to a connecting frame (7), the bottom of the connecting frame (7) is fixedly connected to a cylindrical seat (8), the top of the cylindrical seat (8) is fixedly connected to a cushion seat (9), the top of the cushion seat (9) is in contact with the bottom of the glass ball (6), and the bottom of the cylindrical seat (8) is fixedly connected to a connecting rod (10 ), a splash plate (11) is provided at the bottom of the connecting rod (10), the bottoms of both sides of the mounting head (1) are fixedly connected to fixed blocks (12), the opposite sides of the fixed blocks (12) are provided with a slot (13), the inner cavity of the slot (13) is movably connected to a block (14), one side of the block (14) is fixedly connected to a bracket (15), both sides of the top of the nozzle plate (3) are fixedly connected to a limiting plate (16), the top of the limiting plate (16) is provided with a limiting slot (17), one side of the inner cavity of the limiting slot (17) is fixedly connected to a spring (18), one end of the spring (18) is fixedly connected to the bottom of one side of the bracket (15).

2. A dry drooping fire sprinkler according to claim 1, characterized in that: A pull handle is fixedly connected to the opposite side of the card frame (15), and the surface of the pull handle is provided with anti-slip grooves.

3. A dry drooping fire sprinkler according to claim 1, characterized in that: The front face of the clamping block (14) is provided with an insertion hole, the front face of the fixing block (12) is provided with a through hole, and the inner cavity of the insertion hole is movably connected with a latch.

4. A dry drooping fire sprinkler according to claim 1, characterized in that: The top of the limiting plate (16) is fixedly connected to the limiting frame (19), and the surface of the limiting frame (19) is movably connected to the inner cavity of the card frame (15).

5. A dry drooping fire sprinkler according to claim 1, characterized in that: The opposite side of the connecting frame (7) is fixedly connected to a reinforcing rod (20), and the end of the reinforcing rod (20) away from the connecting frame (7) is fixedly connected to a rubber ferrule (21), and the inner cavity of the rubber ferrule (21) is in contact with the surface of the glass ball (6).

6. A dry drooping fire sprinkler according to claim 1, characterized in that: The bottom of the connecting rod (10) is threadedly connected with a fastening head, and the top of the fastening head contacts the bottom of the deflector plate (11).

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