Fire sprinkler with adjustable water spraying pressure

Abstract

The utility model discloses a fire sprinkler with adjustable water spraying pressure. The fire sprinkler comprises a sprinkler outer main body, the position, close to the front portion, of the inner wall of the nozzle outer body is fixedly connected with the outer side of the fixing plate, and a pressure adjusting mechanism is arranged in the nozzle outer body. The pressure adjusting mechanism comprises a base, the base is arranged at the rear position of the fixing plate, and the front end of the base is fixedly connected with the rear end of the fixing plate; by means of the design of the pressure adjusting mechanism, the function of adjusting the water spraying pressure is achieved, and the problems that an existing fire sprinkler is not provided with an assembly for controlling the water flow pressure, when the water pressure is small and a fire breaks out, due to the fact that the water pressure is low, the water spraying pressure is still low, and the water spraying pressure is too high are solved. Therefore, the problem of potential safety hazards caused by poor fire extinguishing effect is solved, and the potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fire sprinklers, in particular to a fire sprinkler with adjustable water spray pressure. Background Art

[0002] A fire sprinkler is a water spraying device that starts automatically within a predetermined temperature range under the action of heat or is started by a control device according to a fire signal, and sprays water according to the designed spraying shape and flow rate.

[0003] An existing fire sprinkler with adjustable water spray pressure can be specifically referred to the fire sprinkler with application number: CN202122934915.8, which includes: a shell, the shell includes: a top cover, a water pipe, a base and a connecting frame, the upper surface of the top cover is provided with a water inlet pipe connected to the water pipe, the lower surface of the base is provided with a water outlet connected to the water pipe, and the diameter of the water outlet is smaller than the inner diameter of the water pipe; a water cup, the water cup is divided into an upper cup body and a lower cup body, and small holes are evenly arranged around the lower cup body; a locking device, the locking device is fixedly mounted on the lower surface of the base to confine the water cup in the water pipe; and a thermal element, the thermal element is fixed to the opening and closing of the locking device. The fire sprinkler provided by the utility model, when not in operation, uses the thermal element to lock the locking device, so that the water in the water pipe does not flow out. When the temperature rises, the thermal element explodes due to the heat, the locking device opens, and the water cup falls from the water pipe, starting to spray water to extinguish the fire. Avoid damage to heat-sensitive components during welding;

[0004] The above-mentioned fire sprinkler is not provided with a component for adjusting the water flow pressure. When the water pressure is low and a fire breaks out, the water pressure cannot be increased due to the low water pressure, resulting in poor fire extinguishing effect and a safety hazard. Therefore, a fire sprinkler with adjustable water spray pressure is proposed to address the above problem. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies of the existing technology and provide a fire sprinkler with adjustable water spray pressure to achieve the goals of high sensitivity and better information collection.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a fire sprinkler with adjustable water spray pressure, comprising a sprinkler outer body; an inner wall of the sprinkler outer body is fixedly connected to the outer side of a fixing plate near the front position, and a pressure regulating mechanism is provided inside the sprinkler outer body;

[0007] The pressure adjusting mechanism comprises a base, the base is arranged at a rear position of the fixed plate, and the front end of the base is fixedly connected with the rear end of the fixed plate, a rotating disc is arranged at the rear position of the base, a plurality of first fixing rods are sleeved inside the rotating disc, and the rotating disc is rotationally connected with the first fixing rods, the front end of the first fixing rod is fixedly connected with the rear end of one side of the transmission block, and the rear end of the first fixing rod is fixedly connected with the front end of the first limiting block.

[0008] Preferably, the other side of the transmission block is sleeved outside the second fixing rod, and the transmission block is rotationally connected with the second fixing rod, the front end of the second fixing rod is fixedly connected with the rear end of one side of the first water baffle, and the rear end of the second fixing rod is fixedly connected with the front end of the second limiting block.

[0009] Preferably, the other side of the first water baffle is sleeved outside the third fixing rod, and the first water baffle is rotationally connected with the third fixing rod, the front end of the third fixing rod is fixedly connected with the rear end of the base, and the rear end of the third fixing rod is fixedly connected with the front end of the third limiting block.

[0010] Preferably, the outer side of the rotating disc is fixedly connected with the inner wall of the gear disc, the rotating groove is arranged at the position close to the gear disc in the inner wall of the outer main body of the spray head, the gear disc is rotationally connected with the rotating groove, and the recess is arranged on one side of the outer main body of the spray head, and the rotating groove and the recess are in communication.

[0011] Preferably, the front end and the rear end of the outer side of the rotating disc are also provided with the second water baffle, and the inner wall of the rotating disc is fixedly connected with the second water baffle.

[0012] Preferably, the right side of the outer side of the outer main body of the spray head is fixedly connected with the left side of the fixed block, the front end of the fixed block is fixedly connected with the rear end of the motor, the front end of the gear is fixedly connected with the rear end of the gear, the outer side of the front end of the gear is sleeved with the shielding plate, and the gear is rotationally connected with the shielding plate, the left side of the shielding plate is fixedly connected with the right side of the outer main body of the spray head, and the outer side of the gear is engagedly connected with the gear disc through the second water baffle.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The pressure adjusting mechanism has the functions of adjusting the water spraying pressure, solving the problem that the existing fire nozzle does not have a component for controlling the water flow pressure, reducing the safety hazards when the water pressure is low and a fire breaks out, and improving the fire extinguishing effect.

[0015] 2. The utility model realizes the function of shielding the position below the gear through the structural design of the shielding plate, which solves the problem that the gear is directly exposed to the outside. If foreign objects are entangled on the gear from the lower position, it is very easy to cause the gear to rotate obstructed and unable to work normally, thereby improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 A in the middle is an enlarged schematic diagram of the structure;

[0019] Figure 4 For the utility model Figure 1 The enlarged schematic diagram at B in the middle is a schematic diagram of the structure;

[0020] Figure 5 For the utility model Figure 2 The structural diagram of the enlarged schematic diagram at C in the middle;

[0021] Figure 6 For the utility model Figure 2 The structural diagram of the enlarged schematic diagram at D in the middle;

[0022] Figure 7 For the utility model Figure 2 Schematic diagram of the structure of the enlarged schematic diagram at E in the middle.

[0023] In the figure: 1. nozzle outer body; 10. fixing plate; 11. base; 12. rotating disk; 13. first fixing rod; 14. transmission block; 15. first limit block; 16. second fixing rod; 17. water baffle; 18. second limit block; 19. third fixing rod; 20. third limit block; 21. gear plate; 22. rotating groove; 23. water baffle; 24. groove; 25. fixing block; 26. motor; 27. gear; 28. shielding plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 7As shown, a fire sprinkler with adjustable water spray pressure includes a sprinkler outer body 1; the inner wall of the sprinkler outer body 1 is welded to the outer side of the fixing plate 10 near the front position, and a pressure regulating mechanism is provided inside the sprinkler outer body 1;

[0026] The pressure regulating mechanism includes a base 11, which is arranged at the rear position of the fixed plate 10, and the front end of the base 11 is welded to the rear end of the fixed plate 10. The middle position of the fixed plate 10 is designed as a circular hole. A rotating disk 12 is provided at the rear position of the base 11. A plurality of first fixing rods 13 are sleeved inside the rotating disk 12, and the rotating disk 12 is rotatably connected to the first fixing rod 13. The front end of the first fixing rod 13 is welded to the rear end of one side of the transmission block 14, and the rear end of the first fixing rod 13 is welded to the front end of the first limit block 15. The first fixing rod 13 is designed as a circular rod.

[0027] During operation, the rotating disk 12 rotates clockwise, driving the transmission block 14 to move at the same time. When the rotating disk 12 rotates and drives the transmission block 14 to move at the same time, the inside of the rotating disk 12 rotates along the surface of the first fixed rod 13, and the first limit block 15 at the rear end of the first fixed rod 13 can play a limiting role.

[0028] Furthermore, the other side of the transmission block 14 is sleeved on the outside of the second fixing rod 16, and the transmission block 14 is rotatably connected to the second fixing rod 16. The front end of the second fixing rod 16 is welded to the rear end of one side of the first water baffle 17, and the rear end of the second fixing rod 16 is welded to the front end of the second limit block 18. The second fixing rod 16 is designed as a round rod.

[0029] During operation, the transmission block 14 opens outward, and when the transmission block 14 rotates, it will rotate along the outside of the second fixed rod 16 at the rear end of the first water baffle 17, while driving the first water baffle 17 to open and rotate outward, and the second limit block 18 at the rear end of the second fixed rod 16 plays a limiting role.

[0030] Furthermore, the other side of the first water baffle 17 is sleeved on the outside of the third fixing rod 19, and the first water baffle 17 is rotatably connected to the third fixing rod 19. The front end of the third fixing rod 19 is welded to the rear end of the base 11, and the rear end of the third fixing rod 19 is welded to the front end of the third limit block 20. The third fixing rod 19 is designed as a round rod.

[0031] During operation, the first water baffle 17 rotates and will rotate along the outside of the third fixed rod 19 at the rear end of the base 11, and the second limit block 18 at the rear end of the third fixed rod 19 plays a limiting role until the first water baffle 17 is fully opened, and the water pressure will decrease.

[0032] Furthermore, the outer side of the rotating disk 12 is welded to the inner wall of the toothed disk 21, and a rotating groove 22 is opened on the inner wall of the outer body 1 of the nozzle near the toothed disk 21. The toothed disk 21 is rotatably connected to the rotating groove 22. A groove 24 is opened on one side of the outer body 1 of the nozzle, and the rotating groove 22 is connected to the inside of the groove 24. The rotating groove 22 is circular in design.

[0033] During operation, the gear disc 21 rotates along the inside of the rotating groove 22 , driving the rotating disc 12 to rotate, and the second water baffle 23 rotates in contact with the inner wall of the outer body 1 of the nozzle, and the second water baffle 23 can prevent water from flowing into the rotating groove 22 .

[0034] Furthermore, the front and rear ends of the outer side of the rotating disk 12 are also provided with a second water baffle 23, and the outer side of the rotating disk 12 is welded to the inner wall of the second water baffle 23, and the outer side of the second water baffle 23 is in contact with the inner wall of the outer body 1 of the nozzle;

[0035] During operation, the second water baffle 23 rotates in contact with the inner wall of the nozzle outer body 1 , and the second water baffle 23 can prevent water from flowing into the rotating groove 22 .

[0036] Furthermore, the right side of the outer side of the nozzle outer body 1 is welded to the left side of the fixing block 25, the front end of the fixing block 25 is welded to the rear end of the motor 26, the front end of the motor 26 is welded to the rear end of the gear 27, and the outer side of the front end of the gear 27 is sleeved with a baffle 28, and the gear 27 is rotatably connected to the baffle 28, and the left side of the baffle 28 is welded to the right side of the nozzle outer body 1, the baffle 28 is circular in design, the outer side of the gear 27 passes through the second water baffle 23 and is meshed with the toothed disc 21, and when the gear 27 rotates, the gear 27 drives the toothed disc 21 to rotate clockwise;

[0037] During operation, the motor 26 at the front end of the fixed block 25 is started to drive the gear 27 to rotate counterclockwise, and the shielding plate 28 at the front end of the gear 27 can effectively prevent debris from being entangled to the outside of the gear 27 from below, thereby playing a protective role.

[0038] Working principle: When it is necessary to control and adjust the water pressure, the motor 26 at the front end of the fixed block 25 is started first, driving the gear 27 to rotate counterclockwise, and the baffle 28 at the front end of the gear 27 can effectively prevent debris from being entangled from the bottom to the outside of the gear 27, playing a protective role, and when the gear 27 rotates, the gear 27 drives the toothed disc 21 to rotate clockwise, and when the toothed disc 21 rotates, it will rotate along the inside of the rotating groove 22, and at the same time drive the rotating disc 12 to rotate, and the second water baffle 23 rotates in accordance with the inner wall of the outer body 1 of the nozzle, the second water baffle 23 can prevent water from flowing into the rotating groove 22, and when the rotating disc 12 rotates clockwise, it drives the transmission block 14 to move at the same time, and the rotation of the rotating disc 12 drives the transmission block 14 to move at the same time. When rotating, the inside of the rotating disc 12 rotates along the surface of the first fixed rod 13, and the first fixed rod When the first water baffle 17 is fully opened, the water pressure will be reduced. If the water pressure needs to be increased, the motor 26 can be rotated clockwise for controlling and regulating the water pressure. The above is the working process of the entire device, and the contents not described in detail in this manual all belong to the prior art known to professionals in this field.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire sprinkler with adjustable water spray pressure, comprising a sprinkler outer body (1); characterized in that: The inner wall of the nozzle outer body (1) is fixedly connected to the outer side of the fixing plate (10) near the front position, and a pressure regulating mechanism is provided inside the nozzle outer body (1); The pressure regulating mechanism includes a base (11), the base (11) is arranged at a rear position of the fixed plate (10), and the front end of the base (11) is fixedly connected to the rear end of the fixed plate (10), a rotating disk (12) is arranged at the rear position of the base (11), a plurality of first fixing rods (13) are sleeved inside the rotating disk (12), and the rotating disk (12) is rotatably connected to the first fixing rod (13), the front end of the first fixing rod (13) is fixedly connected to the rear end of one side of the transmission block (14), and the rear end of the first fixing rod (13) is fixedly connected to the front end of the first limit block (15).

2. A fire sprinkler with adjustable water spray pressure according to claim 1, characterized in that: The other side of the transmission block (14) is sleeved on the outside of the second fixing rod (16), and the transmission block (14) is rotatably connected to the second fixing rod (16). The front end of the second fixing rod (16) is fixedly connected to the rear end of one side of the first water baffle (17), and the rear end of the second fixing rod (16) is fixedly connected to the front end of the second limit block (18).

3. A fire sprinkler with adjustable water spray pressure according to claim 2, characterized in that: The other side of the first water baffle (17) is sleeved on the outside of the third fixing rod (19), and the first water baffle (17) is rotatably connected to the third fixing rod (19), the front end of the third fixing rod (19) is fixedly connected to the rear end of the base (11), and the rear end of the third fixing rod (19) is fixedly connected to the front end of the third limit block (20).

4. A fire sprinkler with adjustable water spray pressure according to claim 3, characterized in that: The outer side of the rotating disk (12) is fixedly connected to the inner wall of the toothed disk (21); a rotating groove (22) is provided on the inner wall of the nozzle outer body (1) near the toothed disk (21); the toothed disk (21) and the rotating groove (22) are rotatably connected; a groove (24) is provided on one side of the nozzle outer body (1); and the rotating groove (22) and the interior of the groove (24) are interconnected.

5. A fire sprinkler with adjustable water spray pressure according to claim 4, characterized in that: Second water baffles (23) are also provided at the front and rear ends of the outer side of the rotating disk (12), and the outer side of the rotating disk (12) is fixedly connected to the inner wall of the second water baffle (23), and the outer side of the second water baffle (23) is in contact with the inner wall of the outer body (1) of the nozzle.

6. A fire sprinkler with adjustable water spray pressure according to claim 5, characterized in that: The right side of the outer side of the nozzle outer body (1) is fixedly connected to the left side of the fixed block (25), the front end of the fixed block (25) is fixedly connected to the rear end of the motor (26), the front end of the motor (26) is fixedly connected to the rear end of the gear (27), the outer side of the front end of the gear (27) is sleeved with a baffle (28), and the gear (27) is rotatably connected to the baffle (28), the left side of the baffle (28) is fixedly connected to the right side of the nozzle outer body (1), and the outer side of the gear (27) passes through the second water baffle (23) and is meshed with the toothed disc (21).

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