Fire-fighting spray header

Abstract

The utility model discloses a fire-fighting sprinkler head, including spraying chamber, spraying diffusion mechanism, quick clamping mechanism and clamping auxiliary mechanism, spraying diffusion mechanism includes liquid supply pipe, spraying ring, diffusion fan, driver and fixed rod, quick clamping mechanism includes clamping pipe, clamping inner pipe, clamping groove, lock frame, swivel mount, double-layer adding plate and clamped plate, and the clamping auxiliary mechanism includes clamping pipe, clamping inner pipe, clamping groove, lock frame, swivel mount, double-layer adding plate and clamped plate. Liquid conveyed by a liquid supply pipe can be evenly distributed through the spraying diffusion mechanism, wide-range liquid spraying is achieved through a spraying assembly and a diffusion fan, the rapid clamping mechanism is designed through a reasonable clamping structure, rapid connection and disassembly between a pipeline and the assembly are achieved, the installation and maintenance efficiency of the device is greatly improved, and the practicability is high. And the clamping auxiliary mechanism further improves the stability and safety in the clamping process through the design of adding a rotating block, a tightening block, a spring and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spray head technical field, more specifically, it relates to a fire-fighting spray head. BACKGROUND

[0002] The fire-fighting spray head in prior art usually sprays water flow directly to the fire source through fixed nozzle, but due to the single design of nozzle, the fixed spraying angle, the water flow diffusion capacity is limited, and it cannot form a larger range of coverage, this spraying method may be able to cope with in the early stage of fire or small range fire extinguishing, but in the case of large fire or the need to cover a larger area, the water flow coverage range of the spray head is obviously insufficient, it is difficult to quickly put out the fire, and it is easy to cause the spread of fire, this limitation may prolong the fire extinguishing time, increase the economic loss and safety hazard caused by fire.

[0003] When installing the traditional fire-fighting spray head, the liquid supply pipe usually needs to be connected with the external water supply equipment, but the connection method in prior art often relies on threaded connection or other complex mechanical fixing method, the installer needs to complete multiple steps such as butt joint, locking, sealing inspection, etc. in turn, the whole connection process is time-consuming and laborious, it cannot meet the demand of rapid deployment of equipment when fire occurs, the threaded connection or mechanical fixation is easy to appear loose or sealing failure under high pressure water supply environment, thereby causing water supply leakage and affecting the normal work of the spray head. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the problems existing in prior art, the utility model provides a fire-fighting spray head to solve the technical problems mentioned in the background art, such as the small diffusion range of water flow, the inability to extinguish fire in a large range, and the complex connection of liquid supply pipe and external water supply equipment.

[0006] (II) Technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: A fire-fighting spray head, including spray cavity, spray diffusion mechanism, quick joint mechanism and joint auxiliary mechanism, the spray diffusion mechanism includes liquid supply pipe, spray ring, diffusion fan, drive machine and fixed link, spray ring installs inside one end of spray cavity, one end of liquid supply pipe reaches through inside spray cavity and is connected with spray ring cooperation, fixed link installs at both sides of drive machine, one end of fixed link is fixedly installed on the inner wall of spray cavity, diffusion fan installs at the output end of drive machine, diffusion fan installs at the side of spray ring, the quick joint mechanism includes joint pipe, joint inner tube, clamping groove, lock frame, rotating frame, double layer adds board and is clamped board, joint inner tube can extend into the inside of joint pipe, the outer wall of joint inner tube is provided with clamping groove, lock frame is horizontally slidably installed on the side wall of joint pipe, rotating frame is limitingly rotatably installed on the outer wall of joint pipe, the one end of lock frame is installed with clamped board, double layer clamping plate is installed on rotating frame, and clamped board is slidably installed in double layer clamping plate, and the double layer clamping plate of rotation makes lock frame horizontally extend away from clamping groove.

[0008] The utility model further sets up, the joint auxiliary mechanism includes rotating block, outer fixed plate, tightening block and tightening spring, rotating block installs at the top end and bottom end of rotating frame, two groups of outer fixed plates are fixedly installed on the outer wall of joint pipe, and two groups of outer fixed plates are installed at the top end and bottom end of rotating frame respectively, a plurality of sets of tightening blocks are installed on the outer fixed plate and are provided with centripetal sliding cooperation, and the inner wall of tightening block and the outer wall of rotating block are provided with clamping contact, so that rotating frame stably rotates on the outer wall of joint pipe.

[0009] The utility model further sets up, one end of joint pipe is equipped with connecting plate, and the other end surface of connecting plate is connected with one end of liquid supply pipe cooperation, and connecting plate is used for stably connecting joint pipe and liquid supply pipe, and ensures the continuity and sealability of liquid flow.

[0010] The utility model further sets up, spray ring is equipped with spray subassembly on installation, and spray subassembly is provided with a plurality of groups, and spray ring can evenly distribute liquid transported by liquid supply pipe, and a plurality of groups of spray subassembly are combined, so as to realize wider range liquid spraying and improve fire extinguishing effect.

[0011] The utility model further sets up, installing rod is installed on the side surface of liquid supply pipe, and the other end of installing rod is connected with the inner wall of spray cavity cooperation, and installing rod fixes liquid supply pipe in spray cavity, and enhances the stability of overall structure.

[0012] The utility model further sets up, the outer fixed plate is equipped with centripetal rail on one end surface, and tightening block is installed on centripetal rail and is provided with centripetal sliding cooperation, and centripetal rail provides sliding path for tightening block, guarantees centripetal sliding precision, and further enhances the stability of joint auxiliary mechanism.

[0013] The utility model further sets up, one end of the clamping inner tube is equipped with the outer connecting plate, and is connected with the water supply equipment of outside through the outer connecting plate, is connected with the water supply equipment of outside through the outer connecting plate, makes the device can adapt to a variety of water supply system.

[0014] The utility model further sets up, the both sides of the spray cavity are equipped with the handle, and the handle is convenient for the carrying and installation of equipment, improved the operation convenience.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a fire-fighting spray head, has the following beneficial effects:

[0017] The utility model sets up the spray diffusion mechanism, the spray diffusion mechanism can evenly distribute the liquid transported by the liquid supply pipe, and realizes the liquid spraying of wide range through the spray assembly and diffusion fan, further improves the coverage area and effect of fire extinguishing, simultaneously, the stable structure design can guarantee the reliability in the process of spraying, improves the fire extinguishing efficiency.

[0018] The utility model sets up the quick clamping mechanism, and the quick clamping mechanism realizes the quick connection and disassembly between the pipeline and the component through reasonable clamping structure design, greatly improves the installation and maintenance efficiency of the device, simultaneously, the clamping mechanism ensures the stability and sealing property of connection, prevents liquid leakage, guarantees the normal operation of fire extinguishing device.

[0019] The utility model sets up the clamping auxiliary mechanism, and the clamping auxiliary mechanism further improves the stability and safety in the process of clamping through the design of increasing rotating block, tightening block and spring, and its sliding and clamping function makes the connection more firm, and can adapt to the requirement of different external water supply equipment, enhances the applicability and versatility of the device. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic drawing of the device in the utility model in unused state;

[0021] Figure 2 It is the structure schematic drawing of the inside of the spray cavity in the utility model;

[0022] Figure 3 It is the structure schematic drawing of the water supply device of outside and the connecting mode of the device in the utility model;

[0023] Figure 4 It is the structure schematic drawing of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model;

[0024] Figure 5 It is the structure schematic drawing of the inside of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model.

[0025] Fig. 1, spray chamber; 2, liquid supply pipe; 3, spray ring; 4, diffusion fan; 5, drive machine; 6, fixed rod; 7, clamping pipe; 8, clamping inner pipe; 9, clamping groove; 10, lock frame; 11, rotating frame; 12, double-layered plate; 13, clamped plate; 14, rotating block; 15, outer fixed plate; 16, tightening block; 17, tightening spring; 18, connecting plate; 19, spray assembly; 20, mounting rod; 21, centripetal rail; 22, external connecting plate; 23, handle. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0029] Please refer to Figures 1-5 A fire-fighting spray head, comprising a spray chamber 1, a spray diffusion mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the spray diffusion mechanism comprises a liquid supply pipe 2, a spray ring 3, a diffusion fan 4, a drive machine 5 and a fixed rod 6, the spray ring 3 is installed at one end inside the spray chamber 1, one end of the liquid supply pipe 2 extends through the inside of the spray chamber 1 and is connected with the spray ring 3 in cooperation, the fixed rod 6 is installed on both sides of the drive machine 5, one end of the fixed rod 6 is fixedly installed on the inner wall of the spray chamber 1, the diffusion fan 4 is installed at the output end of the drive machine 5, the diffusion fan 4 is installed on the side of the spray ring 3, the quick clamping mechanism comprises a clamping pipe 7, a clamping inner pipe 8, a clamping groove 9, a lock frame 10, a rotating frame 11, a double-layered plate 12 and a clamped plate 13, the clamping inner pipe 8 can extend into the inside of the clamping pipe 7, the clamping groove 9 is arranged on the outer wall of the clamping inner pipe 8, the lock frame 10 is transversely and slidingly installed on the side wall of the clamping pipe 7, the rotating frame 11 is limitingly and rotatably installed on the outer wall of the clamping pipe 7, the clamped plate 13 is installed at one end of the lock frame 10, the double-layered plate is installed on the rotating frame 11, and the clamped plate 13 is slidingly installed in the double-layered plate, and the rotating double-layered plate makes the lock frame 10 transversely extend away from the clamping groove 9.

[0030] In this embodiment, water flows into the liquid supply pipe 2 through the water supply device, one end of the liquid supply pipe 2 extends into the spray chamber 1 and is connected with the spray ring 3 to guide water into the spray chamber 1, the spray ring 3 is located in the spray chamber 1 and has a spray channel inside for water distribution, after water flows into the spray ring 3 from the liquid supply pipe 2, the spray ring 3 uniformly guides the water flow to the spray assembly 19, the spray assembly 19 is installed on the spray ring 3 and is provided with multiple groups of spray heads, the water flow is further dispersed through the spray assembly 19 to form a uniform spraying effect, the diffusion fan 4 is installed on the output end of the drive machine 5 and is located on the side of the spray ring 3, after the drive machine 5 is started, the diffusion fan 4 rotates at high speed to further diffuse and disperse the water flow sprayed from the spray assembly 19, so that the spraying range is wider and more uniform, one end of the clamping inner pipe 8 is connected with the external water supply device through the external connecting plate 22, and the other end can be inserted into the inside of the clamping pipe 7, the clamping pipe 7 is provided with the clamping groove 9 on the outer wall for clamping with the clamping inner pipe 8, the rotating frame 11 is limitingly installed on the outer wall of the clamping pipe 7, the double-layer clamping plate on the rotating frame 11 is used to adjust the locking frame 10, when the rotating frame 11 rotates, the double-layer clamping plate drives the clamping plate 13 to move, so that the locking frame 10 moves transversely, under the action of the clamping plate 13, the locking frame 10 slides transversely into the clamping groove 9 and is fixed with the outer wall of the clamping inner pipe 8, one end of the clamping pipe 7 is connected with the liquid supply pipe 2 through the connecting plate 18 to ensure smooth water flow transmission to the spray head.

[0031] The clamping auxiliary mechanism includes the rotating block 14, the outer fixed plate 15, the tightening block 16 and the tightening spring 17, the rotating block 14 is installed on the top end and the bottom end of the rotating frame 11, two groups of the outer fixed plate 15 are fixedly installed on the outer wall of the clamping pipe 7, and the two groups of the outer fixed plate 15 are respectively installed on the top end and the bottom end of the rotating frame 11, multiple groups of the tightening block 16 are installed on the outer fixed plate 15 and are arranged to slide centripetally, and the tightening spring 17 is installed between adjacent tightening blocks 16, the inner wall of the tightening block 16 is arranged in clamping contact with the outer wall of the rotating block 14, so that the rotating frame 11 stably rotates on the outer wall of the clamping pipe 7.

[0032] In this embodiment, the rotating block 14 is installed on the top end and the bottom end of the rotating frame 11, when the rotating frame 11 rotates, the rotating block 14 moves, multiple groups of the tightening block 16 are installed on the outer fixed plate 15 on the outer wall of the clamping pipe 7 and slide through the centripetal rail 21, the inner wall of the tightening block 16 cooperates with the outer wall of the rotating block 14 to form a stable clamping effect through centripetal sliding, the tightening spring 17 is installed between adjacent tightening blocks 16 to provide centripetal elastic force, so that the tightening block 16 always maintains clamping contact with the rotating block 14 to ensure stable rotation of the rotating frame 11 on the outer wall of the clamping pipe 7.

[0033] Please refer to Figures 1-5As a supplementary embodiment of the spray diffusion mechanism, the quick clamping mechanism and the clamping auxiliary mechanism: one end of the clamping pipe 7 is provided with a connecting plate 18, and the other end surface of the connecting plate 18 is matched and connected with one end of the liquid supply pipe 2. The spray ring 3 is provided with a spray assembly 19, and the spray assembly 19 is provided with multiple groups. The side surface of the liquid supply pipe 2 is provided with a mounting rod 20, and the other end of the mounting rod 20 is matched and connected with the bottom end of the spray cavity 1. One end surface of the outer fixed plate 15 is provided with a centripetal rail 21, and the tightening block 16 is matched and arranged on the centripetal rail 21 to slide centripetally. One end of the clamping inner pipe 8 is provided with an external connecting plate 22, and the external connecting plate 22 is matched and connected with the external water supply equipment. Both sides of the spray cavity 1 are provided with a handle 23.

[0034] More specifically, the external water supply equipment supplies water to the liquid supply pipe 2 through the external connecting plate 22. The water flows through the liquid supply pipe 2 to the spray ring 3. The liquid supply pipe 2 is stably connected with the bottom mounting rod 20 of the spray cavity 1 through the connecting plate 18, ensuring stable water supply. After the water flow enters the spray ring 3, it is dispersed and sprayed through the multiple groups of nozzles of the spray assembly 19. At the same time, the driving machine 5 starts to drive the diffusion fan 4 to rotate, further diffusing the water flow and improving the spraying range and uniformity. The clamping auxiliary mechanism ensures the firmness of the quick clamping mechanism and prevents the spray head from loosening during operation. The sliding design of the centripetal rail 21 on the outer fixed plate 15 and the tightening block 16 provides continuous and stable locking force, ensuring the safety and reliability of the device under the action of high-pressure water flow. The spray cavity 1 is provided with a handle 23 on both sides, which is convenient for the operator to carry and install the device.

[0035] In summary, when the spray diffusion mechanism needs to be operated, the water flow is diffused and uniformly sprayed to cover a larger area. The water flows into the liquid supply pipe 2 through the water supply equipment. One end of the liquid supply pipe 2 extends into the spray cavity 1 and is matched and connected with the spray ring 3 to guide the water into the spray cavity 1. The spray ring 3 is located in one end of the spray cavity 1 and has a spray channel inside for water distribution. After the water flows into the spray ring 3 from the liquid supply pipe 2, the spray ring 3 uniformly guides the water flow to the spray assembly 19. The spray assembly 19 is installed on the spray ring 3 and is provided with multiple groups of nozzles. The water flow is further dispersed by the spray assembly 19 to form a uniform spraying effect. The diffusion fan 4 is installed on the output end of the driving machine 5 and is located on the side of the spray ring 3. After the driving machine 5 is started, the diffusion fan 4 rotates at high speed to further diffuse and disperse the water flow sprayed from the spray assembly 19, making the spraying range wider and more uniform.

[0036] When the operation of the quick clamping mechanism is required, the quick installation and fixing of the fire sprinkler head are realized, one end of the clamping inner pipe 8 is connected with the external water supply equipment through the external connecting plate 22, the other end can be inserted into the inside of the clamping pipe 7, the clamping pipe 7 is provided with a clamping groove 9 on the outer wall, which is used for clamping with the clamping inner pipe 8, the rotating frame 11 is limitingly installed on the outer wall of the clamping pipe 7, the double-layer clamping plate on the rotating frame 11 is used for adjusting the locking frame 10, when the rotating frame 11 rotates, the double-layer clamping plate drives the clamping plate 13 to move, so that the locking frame 10 moves transversely, under the action of the clamping plate 13, the locking frame 10 slides transversely into the clamping groove 9, and the outer wall of the clamping inner pipe 8 is fixed, one end of the clamping pipe 7 is connected with the liquid supply pipe 2 through the connecting plate 18, so as to ensure that the water flow is smoothly transmitted to the sprinkler head.

[0037] When the operation of the clamping auxiliary mechanism is required, the rotating block 14 is installed at the top end and the bottom end of the rotating frame 11, when the rotating frame 11 rotates, the rotating block 14 moves, a plurality of groups of tightening blocks 16 are installed on the outer fixed plate 15 on the outer wall of the clamping pipe 7 and slide through the centripetal rail 21, the inner wall of the tightening block 16 cooperates with the outer wall of the rotating block 14, and a stable clamping effect is formed through the centripetal sliding, the tightening spring 17 is installed between adjacent tightening blocks 16, provides centripetal elastic force, so that the tightening block 16 always maintains clamping contact with the rotating block 14, and the stable rotation of the rotating frame 11 on the outer wall of the clamping pipe 7 is ensured.

[0038] The external water supply equipment supplies water to the liquid supply pipe 2 through the external connecting plate 22, the water flow is delivered to the sprinkling ring 3 through the liquid supply pipe 2, the liquid supply pipe 2 is stably connected with the bottom installation rod 20 of the sprinkling cavity 1 through the connecting plate 18, so as to ensure the stability of water supply, after the water flow enters the sprinkling ring 3, the water flow is dispersed and sprayed through a plurality of groups of nozzles of the sprinkling assembly 19, at the same time, the driving machine 5 is started to drive the diffusion fan 4 to rotate, so as to further diffuse the water flow, improve the spraying range and uniformity, the clamping auxiliary mechanism ensures the firmness of the quick clamping mechanism, prevents the sprinkler head from loosening during the operation process, the sliding design of the centripetal rail 21 on the outer fixed plate 15 and the tightening block 16 provides continuous and stable locking force, so as to ensure that the device is safe and reliable under the action of high-pressure water flow, handles 23 are installed on the two sides of the sprinkling cavity 1, so as to facilitate the operator to carry and install the device.

[0039] In all the schemes mentioned above, the connection between two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, in the above, when the fixed connection is mentioned, the welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in many ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fire sprinkler head comprising a sprinkler chamber (1), a sprinkler diffuser mechanism, a quick coupling mechanism and a coupling aid mechanism, characterized in that: The spraying diffusion mechanism comprises a liquid supply pipe (2), a spraying ring (3), a diffusion fan (4), a driving machine (5) and a fixing rod (6), the spraying ring (3) is installed at the inner end of the spraying cavity (1), one end of the liquid supply pipe (2) extends through the inside of the spraying cavity (1) and is connected with the spraying ring (3), the fixing rod (6) is installed on the two sides of the driving machine (5), one end of the fixing rod (6) is fixedly installed on the inner wall of the spraying cavity (1), and the diffusion fan (4) is installed on the output end of the driving machine (5).

2. A fire sprinkler head according to claim 1, wherein: The quick clamping mechanism comprises a clamping pipe (7), a clamping inner pipe (8), a clamping groove (9), a locking frame (10), a rotating frame (11), a double-layer clamping plate (12) and a clamped plate (13), the clamping inner pipe (8) can extend into the inside of the clamping pipe (7), the clamping groove (9) is arranged on the outer wall of the clamping inner pipe (8), the locking frame (10) is transversely and slidingly installed on the side wall of the clamping pipe (7), the rotating frame (11) is limitingly and rotatably installed on the outer wall of the clamping pipe (7), the clamped plate (13) is installed on the locking frame (10), and the double-layer clamping plate is installed on the rotating frame (11).

3. A fire sprinkler head according to claim 1, wherein: The clamping auxiliary mechanism comprises a rotating block (14), an outer fixing plate (15), a tightening block (16) and a tightening spring (17), the rotating block (14) is installed at the top end and the bottom end of the rotating frame (11), two groups of outer fixing plates (15) are fixedly installed on the outer wall of the clamping pipe (7), and the two groups of outer fixing plates (15) are installed at the top end and the bottom end of the rotating frame (11) respectively, a plurality of groups of tightening blocks (16) are installed on the outer fixing plate (15) and are arranged in a centripetal sliding mode, and the tightening spring (17) is installed between adjacent tightening blocks (16).

4. A fire sprinkler head according to claim 1, wherein: One end of the clamping pipe (7) is provided with a connecting plate (18), and the other end surface of the connecting plate (18) is connected with one end of the liquid supply pipe (2).

5. A fire sprinkler head according to claim 1, wherein: The spraying ring (3) is provided with a plurality of spraying assemblies (19).

6. A fire sprinkler head according to claim 2, wherein: The side surface of the liquid supply pipe (2) is provided with a mounting rod (20), and the other end of the mounting rod (20) is connected with the bottom end of the spraying cavity (1).

7. A fire sprinkler head according to claim 1, wherein: One end surface of the outer fixing plate (15) is provided with a centripetal rail (21), and the tightening block (16) is installed on the centripetal rail (21) and arranged in a centripetal sliding mode.

8. A fire sprinkler according to claim 1 wherein: One end of the clamping inner pipe (8) is provided with an external connecting plate (22), and the external connecting plate (22) is connected with the external water supply equipment. Two sides of the spraying cavity (1) are provided with handles (23).

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