CN204767107U - Fire extinguishing device capable of adjusting foaming ratio - Google Patents

Abstract

The utility model discloses a fire extinguishing device capable of adjusting foaming multiplying power, which comprises a body, a nozzle seat connected with the body and a guiding unit, wherein, nontoxic medicament is arranged in the body, the guiding unit is provided with an inlet, an outlet and an inner wall, and the inner wall is provided with a damping piece. Therefore, when the nontoxic medicament passes through the inlet and enters the guide unit, the nontoxic medicament can collide and rotate, and the foaming ratio, the mixing efficiency and the fire extinguishing efficiency of the nontoxic medicament are further improved.

Description

Fire extinguishing device with adjustable foam ratio

technical field

The utility model relates to a fire extinguishing nozzle device, in particular to a fire extinguishing device with an adjustable foaming ratio capable of adjusting the foaming ratio to produce the best fire extinguishing performance.

Background technique

According to, in order to be able to extinguish the fire source in the shortest time, common fire-fighting equipment such as fire extinguishers and self-extinguishing systems installed in general buildings, etc., will be equipped with a sprinkler at the front end of the pipeline, so that the fire-fighting equipment can spray fire-extinguishing agents. , the fire extinguishing agent can be sprayed through the nozzle, and the spraying range and distance can be increased to achieve the effect of accelerating fire extinguishing and reducing loss of life and property.

However, most of the existing nozzles are provided with one or more micro-holes at the front end to make the fire extinguishing agent appear in the form of water mist when passing through the nozzle, but the water mist nozzle using this method cannot control the foaming of the fire extinguishing agent. The magnification and mixing efficiency are not ideal in terms of fire extinguishing efficiency. Therefore, it is necessary to provide a fire extinguishing device that can spray water mist and the amount of water spray can be controlled to improve the fire extinguishing efficiency.

Utility model content

The main purpose of this utility model is to provide a fire extinguishing device with adjustable foaming rate, which has a damper, so that the non-toxic agent will rotate when passing through, thereby increasing the foaming rate, mixing efficiency and fire extinguishing efficiency, etc.

In order to achieve the above purpose, the utility model provides a fire extinguishing device with adjustable foaming ratio, which includes:

A body, inside which is provided with a medicine room, and the pressure in the medicine room is higher than the outside world and contains a non-toxic medicine;

A guide unit, which is connected with the main body, a flow channel is pierced inside the guide unit, an inlet and an outlet are formed at both ends of the flow channel in the guide unit, and a gap is formed between the inlet and the outlet At least one inner wall, and the inlet of the guiding unit communicates with the medicament chamber of the body, the outlet of the guiding unit communicates with the outside, and the inner wall is provided with a damping element.

Further, wherein, the guiding unit includes a connecting pipe and a spray head seat screwed to the connecting pipe, the connecting pipe and the spray head seat are pierced with the flow channel, one end of the connecting pipe is formed with the inlet, the The other end of the connecting pipe is screwed to the nozzle seat, the connecting pipe has the inner wall, the damping element is arranged on the inner wall of the connecting pipe, and the outlet is formed at the free end of the nozzle seat.

Further, wherein, the connecting pipe further includes a siphon tube and a drug delivery tube connected to the siphon tube, one end of the siphon tube has the inlet communicating with the drug chamber of the body, and the free end of the drug delivery tube is provided with the outlet , and the inner wall of the siphon at the inlet position is provided with the damper.

Further, wherein, the guiding unit includes a connecting pipe, a nozzle seat screwed to the connecting pipe, and a set of foaming parts connected to the nozzle seat, the connecting pipe, the nozzle seat and the inside of the foaming part The flow channel is penetrated and provided, the inlet is formed at one end of the connecting pipe, the other end of the connecting pipe is screwed to the nozzle holder, a first assembly is provided on the outer periphery of the free end of the nozzle holder, and the foaming member is opposite to the first assembly. A connecting part is provided with a second connecting part, so that the foaming part is assembled to the nozzle seat, and the foaming part is formed with the outlet, the foaming part has the inner wall, and the inner wall of the foaming part is provided There is this damper.

The utility model also provides a fire extinguishing device with adjustable foaming rate, which includes:

A body, which is provided with a medicine chamber, and the pressure in the medicine chamber is higher than the outside world and accommodates a non-toxic medicine. At the same time, the body is further connected with a connecting pipe communicating with the medicine chamber;

A nozzle seat, the two axial ends of the nozzle seat define a first end face and a second end face respectively, the first end face of the nozzle seat is concavely provided with a first containing groove, and a first inner ring surface is formed and a bottom surface, the first inner ring surface is assembled with the connecting pipe, and the nozzle seat is provided with a nozzle hole through the bottom surface, and the nozzle seat is recessed with a second container groove on the second end surface and formed a a second inner ring surface, the second container groove communicates with the first container container through the nozzle hole, and the nozzle seat is further provided with at least one damping member on the second inner ring surface;

a water guide, which is arranged in the first container, and the water guide has a base and a protruding ring protruding from one side surface of the base, the diameter of the protruding ring is smaller than the diameter of the base, The seat body is provided with a plurality of perforations axially spaced outside the protruding ring. At the same time, the free end of the protruding ring surrounds the spray hole, and a vortex corresponding to the spray hole is defined between the inner ring surfaces of the protruding ring. chamber, and the protruding ring is provided with a plurality of flow passages communicating with the vortex chamber at intervals.

Further, wherein, the nozzle seat is provided with a first internal thread on the first inner ring surface, and the outer surface of the connecting pipe is provided with a set of connecting threads, which are assembled and fixed with the nozzle seat.

Further, wherein, the nozzle seat is provided with a second internal thread on the first inner ring surface, and the outer peripheral edge of the seat is correspondingly provided with an external thread, which is fixed in the first container by screwing, and the second The length of the second internal thread is longer than the external thread.

Furthermore, a groove is further recessed on the bottom surface of the nozzle seat, and the free end of the protruding ring is arranged toward the direction of the nozzle hole.

Further, wherein, the body is further connected with an air supply unit.

Further, wherein, the damping element is one of a spiral or several protrusions.

The utility model provides a fire extinguishing device with adjustable foaming ratio. When the non-toxic agent in the drug chamber enters the flow channel along the inlet of the guide unit, when the non-toxic agent passes through the damping member , the non-toxic agent will be further rotated, and the non-toxic agent will collide with the air greatly, thereby increasing the foaming ratio and mixing efficiency of the non-toxic agent, and finally the non-toxic agent is sprayed out of the guide unit When it is exported, it can extinguish the fire source in a large area, quickly and efficiently.

Description of drawings

Fig. 1 is a perspective view of the first preferred embodiment of the utility model.

Fig. 2 is an exploded view of the water spray seat and the water guide member of the first preferred embodiment of the present invention.

Fig. 3 is a combined axial sectional view of the water spray seat and the water guiding member of the first preferred embodiment of the present invention.

Fig. 4 is a combined radial cross-sectional view of the water spray seat and the water guide in the first preferred embodiment of the present invention.

Fig. 5 is a side view of the water guide in the first preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of the use of the first preferred embodiment of the utility model.

Fig. 7 is a combined axial sectional view of the water spray seat and the water guide member of the second preferred embodiment of the present invention.

Fig. 8 is a system diagram of a third preferred embodiment of the present invention.

Fig. 9 is a perspective view of a fourth preferred embodiment of the present invention.

In the figure, 100 is a fire extinguishing device with adjustable foam ratio

10 body

11 Pharmacy room 12 Non-toxic potion

13 Connecting pipe 14 Assembly threads

15 pressure handle switch

20 nozzle seat

21 First end face 22 Second end face

23 first containing groove 231 first inner ring surface

232 bottom surface 233 first internal thread

234 second internal thread 24 grooves

25 spray holes 26 second tank

261 second inner ring surface 27 damping parts

271 square convex ring 272 triangular convex ring

30 water guide

31 seat body 311 external thread

312 perforated 32 convex ring

33 vortex chamber 34 flow channel

341 side wall 342 bottom wall

a Angle 35 through hole

40 fire detector

50 air supply unit

60 guide units

61 runner 62 inlet

63 exit 64 inner wall

641 inner wall 642 inner wall

65 damping parts 651 damping parts

652 damper 66 connecting pipe

67 nozzle seat 671 first assembly

68 foaming parts 681 second assembly

200 flammables.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

Please refer to Fig. 1 and Fig. 2, which are the perspective view of the first preferred embodiment of the present invention and the exploded view of the water spray seat and the water guide. It discloses a fire extinguishing device 100 with adjustable foaming ratio. The fire extinguishing device 100 with adjustable foam ratio includes:

A body 10, which is provided with a drug chamber 11, and the pressure in the drug chamber 11 is higher than the outside world and accommodates a non-toxic drug 12. At the same time, the body 10 is further connected with a connecting pipe communicating with the drug chamber 11 13. The outer surface of the free end of the connecting pipe 13 is provided with a set of connecting threads 14. In the first embodiment of the present utility model, the body 10 is a hand-held fire extinguishing cylinder and has a pressure handle switch 15, and the body 10 The inside is pre-filled with high-pressure gas, so that the pressure inside the main body 10 will be higher than the outside world, and the non-toxic medicament 12 in the medicament chamber 11 can be output when the user presses the handle switch 15 .

A nozzle seat 20, please refer to Fig. 3 and shown in Fig. 4, it is the combined axial and radial sectional view of the first preferred embodiment of the utility model water nozzle seat and water guide, the nozzle seat 20 and the connecting pipe 13 phase assembly, the nozzle base 20 is defined along its two axial ends with a first end surface 21 and a second end surface 22 respectively, the nozzle base 20 is recessed with a first container 23 on the first end surface 21, and A first inner ring surface 231 and a bottom surface 232 are formed, and the nozzle seat 20 is further provided with a first internal thread 233 and a second internal thread 234 on the first inner ring surface 231, and the nozzle seat 20 passes through the first inner thread The internal thread 233 is screwed and fixed with the assembly thread 14 of the body 10, and the nozzle holder 20 is provided with a groove 24 on the bottom surface 232, and at the same time, the nozzle holder 20 is provided with a spray hole 25 on the bottom surface 232. , and the nozzle hole 25 tapers from the first end surface 21 to the second end surface 22 to form a tapered shape, and the nozzle seat 20 is concavely provided with a second cavity 26 on the second end surface 22 and forms a first Two inner ring surfaces 261, the second storage tank 26 communicates with the first storage tank 23 through the nozzle hole 25, and the nozzle seat 20 is further provided with at least one damping member 27 on the second inner ring surface 261, In the embodiment of the present invention, the damping element 27 is a helix.

A water guide 30 is arranged in the first container 23. Please refer to FIG. 5, the water guide 30 has a base 31 and a protruding ring 32 protruding from one side surface of the base 31. , the diameter of the protruding ring 32 is smaller than the diameter of the seat body 31, and the outer periphery of the seat body 31 is provided with an external thread 311 corresponding to the second internal thread 234 of the water spray seat 20, and the water guide 30 can be connected with the shower head The seat 20 is assembled together, the length of the second internal thread 22 is greater than the length of the external thread 311, and the seat body 31 is provided with a plurality of through-holes 312 axially spaced outside the protruding ring 32, and the protruding The free end of the ring 32 is arranged towards the direction of the nozzle hole 25, and a vortex chamber 33 corresponding to the nozzle hole 25 is defined between the inner ring surfaces of the protruding ring 32, and a plurality of nozzles corresponding to the nozzle hole 25 are perforated on the protruding ring 32 at intervals. The vortex chamber 33 communicates with the flow channels 34, and the flow channels 34 are arranged along the tangential direction of the inner ring surface of the convex ring 32, and the inlets of the flow channels 34 are not opposite to each other. In this embodiment, the flow channels 34 is formed by recessing the free end of the protruding ring 32 toward the seat body 31, and each flow channel 34 is formed with two side walls 341 and a bottom wall 342 between the side walls 341, and the bottom wall 342 Keep an included angle a with the radial direction of the protruding ring 32 and be oblique, and as shown in FIG. , In addition, a through hole 35 communicating with the vortex chamber 33 is pierced in the base body 31 at a position corresponding to the center of the protruding ring 32 .

In order to further understand the structural features of the utility model, the use of technical means and the expected effects, the utility model is described in a manner, and it is believed that the utility model can have a deeper and more specific understanding, as follows:

Please also refer to FIG. 6, which is a schematic view of the first preferred embodiment of the utility model. When a fire occurs, the user only needs to align the nozzle holder 20 with the fire source and press the handle switch 15. , the non-toxic medicament 12 in the medicament chamber 11 will enter the first container 23 of the nozzle holder 20 along the connecting pipe 13, and pass through the through hole 312 and the through hole 35 of the water guide 30 in sequence, And enter in this vortex chamber 33 by these flow passages 34, at this moment, because this flow passage 34 is arranged along the tangential direction of the inner ring surface of this protruding ring 32, so when this nontoxic medicament 12 enters this vortex chamber 33, the The non-toxic agent 12 will advance along the inner wall of the vortex chamber 33 to form a vortex, so that the non-toxic agent 12 will be thrown into the second container 26 due to centrifugal force when passing through the nozzle hole 25 Afterwards, the non-toxic medicament 12 will be mixed with air in the second container 26 to produce foaming, and at the same time, when the non-toxic medicament 12 passes through the thread design of the damping member 27, the non-toxic medicament 12 will further make the non-toxic medicament 12 rotates, so that the non-toxic agent 12 collides with the air greatly, thereby increasing the foaming ratio and mixing efficiency of the non-toxic agent 12, and finally the non-toxic agent 12 will be sprayed out of the second container 26, and It can extinguish fire sources in a large area, quickly and efficiently.

It is worth mentioning that the utility model uses the second container 26 as a foaming space for the non-toxic medicament 12 to mix with air, and the non-toxic medicament 12 will interact with the non-toxic medicament 12 when passing through the second container 26 When the damper 27 produces the technical characteristics of collision and rotation, the foaming ratio and mixing efficiency of the non-toxic agent 12 can be increased, and the non-toxic agent 12 can extinguish the fire source with high efficiency.

It is worth mentioning that the second internal thread 234 of the present invention is longer than the external thread 311, so that the water guide 30 can be adjusted to the position of the second internal thread 234 of the nozzle holder 20 through the external thread 311 , so that the water guide 30 has different assembly positions, and the fire extinguishing device 100 with adjustable foaming ratio has different sizes of foaming spaces, so as to adjust the foaming ratio and mixing efficiency of the non-toxic agent 12, for Various non-toxic agents are used to adjust the foaming space, foaming ratio and fire extinguishing efficiency.

Please also refer to Figure 7, which is a combined axial sectional view of the second preferred embodiment of the utility model, the water spray seat and the water guide, the second preferred embodiment of the utility model and the first preferred implementation of the utility model The difference is that the damping member 27 includes a plurality of square protruding rings 271 and a plurality of triangular protruding rings 272, through which the non-toxic agent 12 passes through the second container At 26 o'clock, these square protruding rings 271 and these triangular protruding rings 272 will be collided and then rotated to increase the strength and efficiency of mixing the non-toxic medicament 12 with air, and increase the foaming ratio and mixing efficiency of the non-toxic medicament 12 , so that the non-toxic agent 12 can extinguish the fire source with high efficiency. In particular, the damping member 27 of the present utility model is not limited to the thread, square protruding ring and triangular protruding ring disclosed in the first and second preferred embodiments. , the damping member 27 of the present invention will collide with the non-toxic agent 12, thereby increasing the foaming ratio, mixing efficiency and fire extinguishing efficiency.

Please refer to Fig. 8 at the same time, which is a schematic structural view of the third preferred embodiment of the present invention. The difference between the fire extinguishing device 100 with adjustable foaming ratio and the aforementioned preferred embodiment is that the main body 10 is a A fixed fire extinguishing water tank is connected with a fire detector 40 and an air supply unit 50, such as an air compressor or a gas cylinder, etc., and the body 10 can pass through the connecting pipe 13, and the nozzle seats 20 are arranged on an easy Above the combustibles 200, so that when a fire occurs in the combustibles 200 and is detected by the fire detector 40, the air supply unit 50 will start to send high-pressure air into the main body 10, forcing The non-toxic medicament 12 in the body 10 is transported to the nozzle holders 20 through the connecting pipes 13, and further forms fine water mist through the nozzle holders 20 to extinguish the fire, achieving the same effect as the above-mentioned preferred embodiment. Effect.

Please refer to Fig. 9 at the same time, which is a perspective view of the fourth preferred embodiment of the present utility model. The fire extinguishing device 100 of the bubble rate is further provided with a guide unit 60, the guide unit 60 is connected with the body 10, and the inside of the guide unit 60 is provided with a through flow channel 61, so that the guide unit 60 is placed in the flow channel An inlet 62 and an outlet 63 are respectively formed at both ends of 61, and at least one inner wall 64 is formed between the inlet 62 and the outlet 63, the inlet 62 of the guiding unit 60 communicates with the medicine chamber 11 of the main body 10, The outlet 63 of the guide unit 60 communicates with the outside world, and the inner wall 64 of the guide unit 20 is provided with a damping member 65. In the fourth embodiment of the present utility model, the guide unit 20 includes a connecting pipe 66, a screw The shower head seat 67 connected to the connecting pipe 66 and a set of foaming parts 68 connected to the shower head seat 67, the connecting pipe 66, the shower head seat 67 and the foaming part 68 are pierced with the flow channel 61. The inlet 62 is formed at one end of the connecting pipe 66, and the other end of the connecting pipe 66 is screwed to the nozzle seat 67, and the outer periphery of the free end of the nozzle seat 67 is provided with a first assembly part 671, and the first assembly part 671 is an external thread , the foam member 68 is provided with a second assembly member 681 relative to the first assembly member 671, the second assembly member 681 is an internal thread, the foam member 68 is formed with the outlet 63, wherein the connection The tube 66 has an inner wall 641, the inner wall 641 is provided with a damping member 651, the damping member 651 is a spiral, the foam member 68 has an inner wall 642, the inner wall 642 is provided with a damping member 652, the damping member 652 is a spiral .

In this way, when a fire occurs, the user only needs to align the nozzle seat 67 with the fire source and press the handle switch 15, and the non-toxic medicine 12 in the medicine chamber 11 will flow along the guide unit 60. The inlet 62 enters the flow channel 61, and passes through the connecting pipe 66, the nozzle seat 67 and the foaming member 68 in sequence, and finally the non-toxic agent 12 will spray out the outlet 63 of the guiding unit 60, wherein When the non-toxic medicine 12 passes through the thread design of the damping members 651, 652, the non-toxic medicine 12 will be further rotated, and the non-toxic medicine 12 will collide with the air greatly, thereby increasing the amount of the non-toxic medicine 12. With excellent foaming ratio and mixing efficiency, it can extinguish fire sources in a large area, quickly and efficiently.

It is worth mentioning that the utility model is not limited to the damping elements 651 and 652 provided on the connecting pipe 66 and the foaming element 68, and the damping element 65 can be installed on the inner wall 64 of the flow channel 61 , and then the expansion ratio and mixing efficiency of the non-toxic agent 12 .

It is worth mentioning that the connecting pipe 66 further includes a siphon tube and a drug delivery tube connected to the siphon tube. One end of the siphon tube has the inlet 62 communicating with the drug chamber 11 of the body 10, and the inlet 62 is a drug suction port. , and the free end of the medicament delivery tube is provided with the outlet 63, and the inner wall of the siphon at the inlet position is provided with a spiral damper, the guiding unit 60 can inhale the medicament through the siphon, thereby improving the non-toxic The expansion ratio and mixing efficiency of the medicine 12.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. The equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. an extinguishing device for adjustable expansion ratio, is characterized in that, it includes:

One body, its inside is provided with a medicament chamber, and pressure in this medicament chamber is higher than extraneous and be equipped with a non-toxic medicament;

One guide unit, it is connected with this body, this guide unit inside is equipped with a runner, this guide unit is formed with an entrance and an outlet in these runner two ends, and at least one inwall is formed between this entrance and this outlet, and this entrance of this guide unit communicates with this medicament chamber of this body, this outlet external world of this guide unit communicates, and this inwall is provided with a damping piece.

2. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 1, it is characterized in that, wherein, this guide unit includes a tube connector and and to be spirally connected the nozzle boss of this tube connector, and the inside of this tube connector and this nozzle boss is equipped with this runner, and this tube connector one end is formed with this entrance, this tube connector other end is spirally connected this nozzle boss, this tube connector has this inwall, and this inwall of this tube connector is provided with this damping piece, and the free end of this nozzle boss is then formed with this outlet.

3. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 2, it is characterized in that, wherein, this tube connector more includes a siphon pipe and and connects this siphonal drug delivery pipe, this siphon pipe one end has this entrance communicated with this medicament chamber of this body, and the free end of this drug delivery pipe is provided with this outlet, and the inwall of this siphon pipe in this entry position place is provided with this damping piece.

4. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 1, it is characterized in that, wherein, this guide unit includes a tube connector, one nozzle boss and being spirally connected this tube connector is connected to the foaming piece of this nozzle boss, this tube connector, the inside of this nozzle boss and this foaming piece is run through and is provided with this runner, this tube connector one end is formed with this entrance, the other end of this tube connector is spirally connected this nozzle boss, the periphery of this nozzle boss free end is provided with one first connecting piece, this foaming piece relatively this first connecting piece is provided with one second connecting piece, this foaming piece is made to be connected to this nozzle boss, and this foaming piece is formed with this outlet, this foaming piece has this inwall, this inwall of this foaming piece is provided with this damping piece.

5. an extinguishing device for adjustable expansion ratio, is characterized in that, it includes:

One body, is provided with a medicament chamber in it, and pressure in this medicament chamber is higher than extraneous and be equipped with a non-toxic medicament, and meanwhile, this body is more connected with the tube connector communicated with this medicament chamber;

One nozzle boss, this nozzle boss defines one first end face and one second end face respectively along the two ends of its axis, this nozzle boss is arranged with one first tank in this first end face, and be formed with one first inner ring surface and a bottom surface, this first inner ring surface and this tube connector are connected with group, and this nozzle boss has provided a spray orifice in this bottom surface, and this nozzle boss is arranged with one second tank in this second end face and is formed with one second inner ring surface, this second tank is communicated with this first tank by this spray orifice, and this nozzle boss is more provided with at least one damping piece on this second inner ring surface;

One water part, be arranged in this first tank, and this water part has a pedestal and is extended a bulge loop of projection by this pedestal one side surface, the diameter of this bulge loop is less than the diameter of this pedestal, and this pedestal axially spaced-apart outside this bulge loop has provided most perforation, meanwhile, the free end of this bulge loop has surrounded this spray orifice, and between the inner ring surface of this bulge loop, defining a volute chamber of this spray orifice corresponding, on this bulge loop, interval is equipped with most the runners communicated with this volute chamber.

6. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 5, it is characterized in that, wherein, this nozzle boss is provided with one first internal thread in this first inner ring surface, and this tube connector outer surface is provided with one group connects screw thread, and be connected with group fixing with this nozzle boss.

7. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 5, it is characterized in that, wherein, this nozzle boss is provided with one second internal thread in this first inner ring surface, this pedestal outer peripheral edge then correspondence is provided with an external screw thread, the mode utilizing spiral shell to establish is fixed in this first tank, and the length of this second internal thread is greater than this external screw thread.

8. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 5, it is characterized in that, wherein, this nozzle boss is arranged with a groove further in this bottom surface, and the free end of this bulge loop is arranged towards the direction of this spray orifice.

9. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 5, it is characterized in that, wherein, this body is further connected with an air supply unit.

10. according to the extinguishing device of a kind of adjustable expansion ratio according to claim 5, it is characterized in that, wherein, this damping piece is the wherein one of a spiral or several projection.