CN219001832U

CN219001832U - Concealed dry sprinkler head

Info

Publication number: CN219001832U
Application number: CN202223365558.9U
Authority: CN
Inventors: 朱美娥
Original assignee: Jiangsu Meite Safety Technology Co ltd
Current assignee: Jiangsu Meite Safety Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-12
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to the technical field of safety fire-fighting equipment, in particular to a concealed dry sprinkler, wherein a first easily-fused alloy block is fixed on the upper surface of the top end of a sprinkler pipe body, a limiting block is fixed at the bottom end of the sprinkler pipe body, a sprinkler outer cover is fixed at the bottom of the limiting block, a concealed cover plate is arranged on the outer side of the sprinkler outer cover, a frame fixed at the bottom of the limiting block is arranged in the sprinkler outer cover, and a water splashing disc is fixed above the frame. The concealed cover plate is arranged outside the outer cover of the spray head, so that the whole spray head is concealed in the ceiling, only the temperature sensing cover plate is exposed and is leveled with the ceiling, the spray head is attractive and does not occupy a large space, the concealed cover plate can also carry out daily protection on the spray head, damages caused by throwing objects are avoided, when the indoor temperature rises sharply, the fusible alloy is melted, the temperature sensing cover plate is separated, and the spray head can spray water to extinguish fire.

Description

Concealed dry sprinkler head

Technical Field

The utility model relates to the technical field of safety fire-fighting equipment, in particular to a concealed dry sprinkler head.

Background

The existing fire extinguishing nozzle suitable for colder areas is generally directly connected with a water pipe, the exposed nozzle part is used for measuring the external temperature through a glass ball, a glass column or a temperature sensor, and the nozzle of the glass ball or the glass column is used for achieving a sealing effect through the cooperation of the glass ball or the glass column and other parts on one hand, and on the other hand, when the external temperature is too high, the glass ball or the glass column bursts, and the fire extinguishing nozzle connected with the water pipe is used for extinguishing fire by spraying water. However, most of the spray heads using glass balls or glass columns contain water in the spray heads, if the spray heads contain water in colder areas, the spray heads can freeze due to the water in the spray heads, and when a fire disaster occurs, even if the glass balls or the glass columns burst, water cannot be sprayed out timely, so that the fire disaster is spread rapidly, and more serious property loss and casualties are caused.

Chinese patent discloses a dry sprinkler (grant bulletin No. CN 203829528U), the inside of the dry sprinkler is hollow, normal use is not affected even at low temperature, when fire disaster occurs, fire can be timely sprayed and extinguished, fire control is effectively controlled, loss caused by the fire disaster is reduced as much as possible, and more precious time is striven for personnel escape. However, the shower nozzle is protruded out of the ceiling, so that the appearance is relatively affected, and the shower nozzle is easy to damage due to no protection measures in daily life.

Disclosure of Invention

The utility model aims to provide a concealed dry sprinkler head to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concealed dry-type watering shower nozzle, includes the shower nozzle body, the top upper surface of shower nozzle body is fixed with first easy alloy piece, the bottom mounting of shower nozzle body has the stopper, the bottom of stopper is fixed with the shower nozzle dustcoat, concealed apron is installed in the outside of shower nozzle dustcoat, the inside of shower nozzle dustcoat is provided with the frame that is fixed in the stopper bottom, the top of frame is fixed with the splash box, the bottom of splash box is fixed with the temperature sensing glass ball, the bottom of temperature sensing glass ball inserts and is connected with the sealed ball seat that is fixed in the stopper inside, the upper surface of sealed ball seat is provided with the sealed inner tube that is fixed in the shower nozzle body inside, the upper surface of sealed inner tube is fixed with the sealing washer, the upper surface of sealing washer links to each other with the inside top layer of shower nozzle body is fixed.

As a further aspect of the present utility model: the hidden cover plate comprises a temperature sensing cover plate outer cover fixed on the outer side of the spray head outer cover, four second easily-fused alloy blocks are fixed on the outer side of the bottom of the temperature sensing cover plate outer cover at equal intervals, and the temperature sensing cover plates are jointly fixed at the bottoms of the second easily-fused alloy blocks.

As a further aspect of the present utility model: the top outer layer of the nozzle pipe body is provided with external threads matched with the water outlet pipe.

As a further aspect of the present utility model: ear seats are symmetrically arranged on two sides of the limiting block, and positioning holes are formed in the ear seats.

As a further aspect of the present utility model: the inside of the sealed inner tube is a vacuum cavity.

As a further aspect of the present utility model: the outer side of the spray head outer cover and the inner side of the temperature sensing cover plate outer cover are provided with screw thread pairs.

Compared with the prior art, the utility model has the beneficial effects that: the concealed cover plate is arranged outside the outer cover of the spray head, so that the whole spray head is concealed in the ceiling, only the temperature sensing cover plate is exposed and is leveled with the ceiling, the spray head is attractive and does not occupy a large space, the concealed cover plate can also carry out daily protection on the spray head, damages caused by throwing objects are avoided, when the indoor temperature rises sharply, the fusible alloy is melted, the temperature sensing cover plate is separated, and the spray head can spray water to extinguish fire.

Drawings

FIG. 1 is a schematic illustration of a concealed dry sprinkler head;

FIG. 2 is a schematic view of the bottom of a stopper in a concealed dry sprinkler;

FIG. 3 is a schematic illustration of a concealed cover plate in a concealed dry sprinkler head;

FIG. 4 is a schematic view of the structure of the interior of the head housing of a concealed dry sprinkler head;

fig. 5 is a schematic view of the inside of a concealed dry sprinkler head.

In the figure: 1. a nozzle tube body; 2. a first fusible alloy mass; 3. positioning holes; 4. an ear seat; 5. a temperature sensing cover plate outer cover; 6. a temperature sensing cover plate; 7. a limiting block; 8. a splash box; 9. a spray head housing; 10. a second fusible alloy mass; 11. sealing the inner tube; 12. a temperature-sensing glass ball; 13. sealing the ball seat; 14. a frame; 15. a seal ring; 16. concealed cover plate.

Detailed Description

Referring to fig. 1-5, in an embodiment of the present utility model, a concealed dry sprinkler includes a sprinkler body 1, a first fusible alloy block 2 is fixed on an upper surface of a top end of the sprinkler body 1, an external thread adapted to a water outlet pipe is provided on an outer layer of a top end of the sprinkler body 1, the external thread of the top end of the sprinkler body 1 is fixed to the water outlet pipe, a stopper 7 is fixed to a bottom end of the sprinkler body 1, lugs 4 are symmetrically provided on two sides of the stopper 7, positioning holes 3 are provided in the lugs 4, the stopper 7 is fixed through the positioning holes 3 in the lugs 4, a sprinkler outer cover 9 is fixed to a bottom of the stopper 7, a concealed cover 16 is mounted on an outer side of the sprinkler outer cover 9, the concealed cover 16 includes a temperature sensing cover outer cover 5 fixed to an outer side of the sprinkler outer cover 9, screw pairs are provided on an outer side of the sprinkler outer cover 9 and an inner side of the temperature sensing cover outer cover 5, the splash box 8 and the frame 14 are hidden by fixing the temperature sensing cover plate outer cover 5 and the spray head outer cover 9, four second easily fused alloy blocks 10 are fixed at equal intervals on the outer side of the bottom of the temperature sensing cover plate outer cover 5, the second easily fused alloy blocks 10 are fused along with the temperature rise, the temperature sensing cover plate 6 is jointly fixed on the bottom of the second easily fused alloy blocks 10, so that the temperature sensing cover plate 6 falls off, the frame 14 fixed on the bottom of the limiting block 7 is arranged in the spray head outer cover 9, the splash box 8 is fixed above the frame 14, the temperature sensing glass ball 12 is fixed on the bottom of the splash box 8, the temperature sensing glass ball 12 is burst under the influence of temperature, the bottom of the temperature sensing glass ball 12 is inserted and connected with a sealing ball seat 13 fixed in the limiting block 7, then the sealing ball seat 13 falls off, the upper surface of the sealing ball seat 13 is provided with a sealing inner tube 11 fixed in the spray head tube 1, the water forms vaporific spraying through the splash plate 8 through the sealed inner pipe 11, the inside of the sealed inner pipe 11 is a vacuum cavity, the vacuum environment inside the sealed inner pipe 11 is destroyed, the sealing ring 15 is fixed on the upper surface of the sealed inner pipe 11, the sealing ring 15 falls off along with the vacuum environment, and the upper surface of the sealing ring 15 is fixedly connected with the inner top layer of the nozzle pipe body 1.

The working principle of the utility model is as follows: during installation, the water splashing disk 8 and the frame 14 are hidden by fixing the outer threads at the top end of the nozzle pipe body 1 with the water outlet pipe and fixing the water splashing disk with the positioning holes 3 in the ear seat 4 and fixing the water splashing disk with the nozzle outer cover 9 by fixing the temperature sensing cover plate outer cover 5 with the nozzle outer cover 9, and only the temperature sensing cover plate 6 is exposed out of the ceiling after the installation is finished.

When a fire disaster occurs, the second easily-fused alloy block 10 is melted along with the temperature rise, so that the temperature-sensitive cover plate 6 falls off, the temperature-sensitive glass ball 12 bursts under the influence of temperature, then the sealing ball seat 13 falls off, the vacuum environment inside the sealing inner tube 11 is destroyed, the sealing ring 15 falls off along with the falling, finally the first easily-fused alloy block 2 is melted under the influence of temperature, and water is sprayed in a mist form through the sealing inner tube 11 and the water splashing disc 8.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a concealed dry-type watering shower nozzle, includes shower nozzle body (1), its characterized in that, the top upper surface of shower nozzle body (1) is fixed with first easy alloy piece (2), the bottom mounting of shower nozzle body (1) is fixed with stopper (7), the bottom of stopper (7) is fixed with shower nozzle dustcoat (9), concealed apron (16) are installed in the outside of shower nozzle dustcoat (9), the inside of shower nozzle dustcoat (9) is provided with frame (14) that are fixed with stopper (7) bottom, the top of frame (14) is fixed with splash box (8), the bottom of splash box (8) is fixed with temperature sensing glass ball (12), the bottom of temperature sensing glass ball (12) is inserted and is connected with sealing ball seat (13) that are fixed in stopper (7) inside, the upper surface of sealing ball seat (13) is provided with sealing inner tube (11) that are fixed in shower nozzle body (1), the upper surface mounting of sealing inner tube (11) has sealing washer (15), the upper surface of sealing washer (15) links to each other with the inside top layer of shower nozzle body (1).

2. The concealed dry sprinkler head according to claim 1, wherein the concealed cover plate (16) comprises a temperature sensing cover plate outer cover (5) fixed on the outer side of the sprinkler head outer cover (9), four second easily-fused alloy blocks (10) are fixed on the outer side of the bottom of the temperature sensing cover plate outer cover (5) at equal intervals, and temperature sensing cover plates (6) are jointly fixed on the bottoms of the second easily-fused alloy blocks (10).

3. The concealed dry sprinkler head according to claim 1, wherein the outer layer of the top end of the sprinkler head tube body (1) is provided with external threads adapted to the water outlet tube.

4. The concealed dry sprinkler head according to claim 1, wherein ear seats (4) are symmetrically arranged on two sides of the limiting block (7), and positioning holes (3) are formed in the ear seats (4).

5. A concealed dry sprinkler head according to claim 2, characterized in that the inside of the sealed inner tube (11) is a vacuum chamber.

6. The concealed dry sprinkler head according to claim 2, wherein the outside of the sprinkler head cover (9) and the inside of the temperature sensing cover plate cover (5) are provided with screw pairs.