Quick-response automatic water spraying device

Abstract

The utility model discloses a quick response automatic water spraying device, which belongs to the technical field of fire fighting equipment, and comprises a spray head frame, a water sprinkling disc, a thermosensitive glass tube and a plug, the lower surface of the plug is connected with a first positioning ring, the inner wall of the first positioning ring is in contact with a protective cover, the bottom end of the protective cover is in contact with a second positioning ring, and the second positioning ring is in contact with the water sprinkling disc. A spring is arranged at the joint of the lower surface of the second positioning ring, the outer surface of the arc-shaped plate spring makes contact with the outer surface of the protective cover, and through cooperation of the protective cover, the spring, the arc-shaped plate spring, the first positioning ring and the second positioning ring, the stability of the top end of the protective cover is kept through the first positioning ring; when no fire occurs, the protective cover is limited in the first positioning ring and the second positioning ring, the stability of the protective cover is kept, the protective cover forms protection outside the thermosensitive glass tube, the protective cover blocks external impact so that the internal thermosensitive glass tube cannot be damaged, and the safety of the thermosensitive glass tube is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a quick-response automatic water spraying device. Background Art

[0002] A quick-response automatic sprinkler system is a system that can quickly start spraying water to extinguish a fire in the early stages of the fire. This type of system usually includes fire sprinklers, which have a low response time index and can sense a fire and start spraying water in a short period of time. Fire sprinklers are key components in automatic sprinkler systems. They can automatically start when a fire occurs and control or extinguish the fire by spraying water.

[0003] The principle of automatic activation of fire sprinklers is mainly based on temperature sensing. A fragile thermosensitive glass tube is provided inside the fire sprinkler. When a fire occurs, the air temperature around the fire source rises. At the same time, the high temperature causes the thermosensitive glass tube inside the sprinkler to expand due to the heat and finally break. After the thermosensitive glass tube breaks, it loses its support for the sealing plug, thereby releasing the seal on the fire sprinkler. Water sprays out from the inside of the fire sprinkler to spray water on the fire source for fire extinguishing operations. However, the thermosensitive glass tube is relatively fragile. Once it is accidentally touched during use, the thermosensitive glass tube may be broken, causing the water inside the fire sprinkler to spray out, causing property damage at the place of use. In order to solve this technical problem, the utility model proposes a quick-response automatic water sprinkler device. Utility Model Content

[0004] The main purpose of the utility model is to provide a fast-response automatic sprinkler device, which can effectively solve the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A quick-response automatic water sprinkler device includes a sprinkler frame, a sprinkler tray, a thermosensitive glass tube and a plug. A through hole is opened on the inner side of the sprinkler frame, the inner wall of the through hole contacts the outer surface of the plug, the lower surface of the plug contacts the top of the thermosensitive glass tube, the bottom end of the thermosensitive glass tube contacts the inner bottom wall of the sprinkler frame, the lower surface of the plug is connected to a first positioning ring, the inner wall of the first positioning ring contacts a protective cover, the bottom end of the protective cover contacts a second positioning ring, a spring is provided at the junction of the lower surface of the second positioning ring, the other end of the spring contacts the inner bottom wall of the sprinkler frame, the outer surface of the sprinkler frame is connected to an arc-shaped leaf spring, the outer surface of the arc-shaped leaf spring contacts the outer surface of the protective cover.

[0007] Preferably, the inner wall of the nozzle frame is connected to a blocking cover, and the heat-sensitive glass tube is located inside the blocking cover.

[0008] Preferably, a plurality of connection holes are opened on the inner side of the protective cover, and the plurality of connection holes are arranged in a circular array.

[0009] Preferably, the bottom end of the nozzle frame is connected to the upper surface of the sprinkler plate, and the top end of the nozzle frame is connected to a threaded seat, and the threaded seat is communicated with the inside of the through hole.

[0010] Preferably, a guide rod is connected to the lower surface of the second positioning ring, and the guide rod is located inside the spring.

[0011] Preferably, the outer surface of the guide rod is slidably connected to the inner side of the nozzle frame, one end of the guide rod located outside the nozzle frame is connected to a limiting block, and the outer surface of the limiting block is connected to the lower surface of the nozzle frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In the utility model, the protective cover, the spring, the arc-shaped leaf spring, the first positioning ring and the second positioning ring cooperate with each other, and the elastic driving force provided by the spring pushes the second positioning ring to keep in close contact with the protective cover, and the stability of the top of the protective cover is maintained by the first positioning ring. When there is no fire, the protective cover is confined to the inside of the first and second positioning rings, and the stability of the protective cover is maintained, so that the protective cover forms protection on the outside of the heat-sensitive glass tube, and the protective cover blocks external impact so that the heat-sensitive glass tube inside is not damaged, thereby improving the safety of the heat-sensitive glass tube.

[0014] In the utility model, the guide rod, the spring and the limit block cooperate with each other, the limit block limits the moving distance of the guide rod, and the guide rod limits the moving distance of the second positioning ring, thereby preventing the elastic pushing force of the spring from being too large, causing the protective cover to be unable to break away from the contact with the first positioning ring, and improving the probability of the protective cover breaking away from the first positioning ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a fast-response automatic sprinkler device of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a heat-sensitive glass tube in a fast-response automatic water sprinkler device of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of a sprinkler frame in a fast-response automatic sprinkler device of the present invention;

[0018] Figure 4 This is a schematic diagram of the overall three-dimensional structure of a plug in a fast-response automatic sprinkler device of the utility model;

[0019] Figure 5The utility model is a schematic diagram of the overall three-dimensional structure of a guide rod in a fast-response automatic water sprinkler device.

[0020] In the figure: 1. sprinkler frame; 2. sprinkler plate; 3. thermosensitive glass tube; 4. plug; 5. through hole; 6. first positioning ring; 7. second positioning ring; 8. spring; 9. arc leaf spring; 10. blocking cover; 11. connecting hole; 12. threaded seat; 13. guide rod; 14. limit block; 15. protective cover. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-5 As shown, a fast-response automatic water sprinkler device includes a nozzle frame 1, a watering tray 2, a heat-sensitive glass tube 3 and a plug 4. A through hole 5 is opened on the inner side of the nozzle frame 1, and the required components are carried and supported by the nozzle frame 1. The inner wall of the through hole 5 contacts the outer surface of the plug 4, and the through hole 5 is blocked by the plug 4. The lower surface of the plug 4 contacts the top of the heat-sensitive glass tube 3, and the bottom end of the heat-sensitive glass tube 3 contacts the inner bottom wall of the nozzle frame 1. The plug 4 is blocked by the heat-sensitive glass tube 3. The plug 4 is supported so as to keep in close contact with the through hole 5, thereby preventing the fire water from flowing out from the inside of the through hole 5. The liquid filled inside the thermosensitive glass tube 3 is different according to the different places of use, and is mostly liquid substances such as kerosene, ether and alcohol. After high temperature is generated outside, the liquid inside the thermosensitive glass tube 3 is heated to expand the liquid inside. After the liquid expands, the thermosensitive glass tube 3 is broken, so that the thermosensitive glass tube 3 loses its support for the plug 4. After losing its support, the plug 4 is separated from the through hole 5, and water is sprayed out from the inside of the through hole 5.

[0023] The lower surface of the plug 4 is connected to the first positioning ring 6, the inner wall of the first positioning ring 6 is in contact with the protective cover 15, the bottom end of the protective cover 15 is in contact with the second positioning ring 7, and the lower surface of the second positioning ring 7 is connected with a spring 8, and the other end of the spring 8 is in contact with the inner bottom wall of the nozzle frame 1. The protective cover 15 is supported by the first positioning ring 6 and the second positioning ring 7 to increase the stability of the protective cover 15. The first protective cover 15 and the second protective cover 15 have grooves inside. By placing the two ends of the protective cover 15 into the grooves to form a barrier, the protective cover 15 will not be separated from the first positioning ring 6 and the second positioning ring 7 when it is collided. The protective cover 15 blocks external impacts so that the internal thermal glass tube 3 is not damaged.

[0024] The outer surface of the nozzle frame 1 is connected to an arc-shaped leaf spring 9, and the outer surface of the arc-shaped leaf spring 9 is in contact with the outer surface of the protective cover 15. After the thermosensitive glass tube 3 loses its support for the plug 4, the pressure of the fire water pushes the plug 4 to move out of contact with the through hole 5. When the plug 4 moves, the protective cover 15 is pushed to move at the same time. The protective cover 15 pushes the second positioning ring 7 to move, and at the same time, the second positioning ring 7 squeezes the spring 8. After the plug 4 is out of contact with the through hole 5, the protective cover 15 is popped out by the elastic thrust of the arc-shaped leaf spring 9.

[0025] The inner wall of the nozzle frame 1 is connected to a blocking cover 10 , and the thermosensitive glass tube 3 is located inside the blocking cover 10 . The blocking cover 10 blocks the space between the protective cover 15 and the nozzle frame 1 , further protecting the thermosensitive glass tube 3 .

[0026] The inner side of the protective cover 15 is provided with a plurality of connecting holes 11 in a circular array, so that external heat can quickly enter the protective cover 15 through the connecting holes 11, so that the heat-sensitive glass tube 3 can quickly be exposed to the heat.

[0027] The bottom end of the sprinkler frame 1 is connected to the upper surface of the sprinkler plate 2. The top of the sprinkler frame 1 is connected to a threaded seat 12, and the threaded seat 12 is communicated with the inside of the through hole 5. After the plug 4 is out of contact with the through hole 5, the fire water is sprayed out from the inside of the through hole 5, and the columnar water flow sprayed out of the through hole 5 is converted into a surface water flow through the sprinkler plate 2, thereby increasing the spraying area. The sprinkler frame 1 is connected to the fire water pipe through the threaded seat 12.

[0028] The lower surface of the second positioning ring 7 is connected to a guide rod 13, and the guide rod 13 is located inside the spring 8. The spring 8 has an elastic supporting function. The guide rod 13 increases the stability of the spring 8 during elastic contraction. At the same time, the guide rod 13 provides support and guidance for the second positioning ring 7 to increase the stability of the second positioning ring 7. The outer surface of the guide rod 13 is slidably connected to the inner side of the nozzle frame 1. The end of the guide rod 13 located outside the nozzle frame 1 is connected to the limiting block 14. The outer surface of the limiting block 14 is connected to the lower surface of the nozzle frame 1. The moving distance of the guide rod 13 is limited by the limiting block 14. The guide rod 13 limits the moving distance of the second positioning ring 7 to prevent the elastic pushing force of the spring 8 from being too large, causing the protective cover 15 to be unable to detach from the contact with the first positioning ring 6.

[0029] It should be noted that in actual use of the device, first, when an unexpected fire occurs externally, the liquid inside the thermosensitive glass tube 3 expands due to the high temperature, and the expanded liquid breaks the thermosensitive glass tube 3. After the thermosensitive glass tube 3 is broken, the bottom end of the plug 4 loses support, and the plug 4 cannot withstand the pressure of the fire water and is separated from the contact with the through hole 5. After being pushed by the fire water, the plug 4 pushes the protective cover 15 to move its position. After the protective cover 15 moves its position, it pushes the second positioning ring 7 to move its position. At the same time, the second positioning ring 7 squeezes the spring 8. After the plug 4 is completely separated from the through hole 5, the arc leaf spring 9 pushes the protective cover 15 to separate from the contact with the second positioning ring 7, and the protective cover 15 is ejected out of the outside of the sprinkler frame 1 by the arc leaf spring 9.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A quick-response automatic water sprinkler device, comprising a sprinkler frame (1), a watering tray (2), a heat-sensitive glass tube (3) and a plug (4), characterized in that: A through hole (5) is provided on the inner side of the nozzle frame (1), the inner wall of the through hole (5) contacts the outer surface of the plug (4), the lower surface of the plug (4) contacts the top of the thermosensitive glass tube (3), the bottom end of the thermosensitive glass tube (3) contacts the inner bottom wall of the nozzle frame (1), the lower surface of the plug (4) is connected to a first positioning ring (6), the inner wall of the first positioning ring (6) contacts a protective cover (15), the bottom end of the protective cover (15) contacts a second positioning ring (7), a spring (8) is provided at the joint of the lower surface of the second positioning ring (7), the other end of the spring (8) contacts the inner bottom wall of the nozzle frame (1), the outer surface of the nozzle frame (1) is connected to an arc leaf spring (9), the outer surface of the arc leaf spring (9) contacts the outer surface of the protective cover (15).

2. A quick-response automatic sprinkler device according to claim 1, characterized in that: The inner wall of the nozzle frame (1) is connected to a blocking cover (10), and the heat-sensitive glass tube (3) is located inside the blocking cover (10).

3. The quick-response automatic sprinkler device according to claim 1, characterized in that: A plurality of connection holes (11) are provided on the inner side of the protective cover (15), and the plurality of connection holes (11) are arranged in a circular array.

4. The quick-response automatic sprinkler device according to claim 1, characterized in that: The bottom end of the nozzle frame (1) is connected to the upper surface of the watering plate (2), and the top end of the nozzle frame (1) is connected to a threaded seat (12), and the threaded seat (12) is communicated with the inside of the through hole (5).

5. The quick-response automatic sprinkler device according to claim 1, characterized in that: The lower surface of the second positioning ring (7) is connected to a guide rod (13), and the guide rod (13) is located inside the spring (8).

6. The quick-response automatic sprinkler device according to claim 5, characterized in that: The outer surface of the guide rod (13) is slidably connected to the inner side of the nozzle frame (1), and one end of the guide rod (13) located outside the nozzle frame (1) is connected to a limiting block (14), and the outer surface of the limiting block (14) is connected to the lower surface of the nozzle frame (1).

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