CN221045362U - Water spraying equipment for fire extinguishment - Google Patents
Water spraying equipment for fire extinguishment Download PDFInfo
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- CN221045362U CN221045362U CN202322785819.0U CN202322785819U CN221045362U CN 221045362 U CN221045362 U CN 221045362U CN 202322785819 U CN202322785819 U CN 202322785819U CN 221045362 U CN221045362 U CN 221045362U
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- water
- push rod
- electric push
- water spraying
- fire
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000005507 spraying Methods 0.000 title claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model provides a water spraying device for fire extinguishment, which belongs to the technical field of fire-fighting equipment and comprises: the fire extinguishing system comprises a movable base, a supporting frame, a rotating mechanism, a first tooth, a reciprocating control assembly, a fixed table, a fire extinguishing system and a monitoring assembly; the support frame is arranged on the movable base; the rotating mechanism comprises an annular groove, a turntable and a pulley, the annular groove is arranged on the top surface of the supporting frame, the pulley is connected with the bottom of the turntable, and the pulley is embedded in the annular groove; the first teeth are arranged on the outer wall of the rotary table; the reciprocating control assembly comprises a vertical frame, a first electric push rod, a connecting mechanism and a rack, wherein the vertical frame is arranged on the movable base, the first electric push rod is fixed on the vertical frame, and the telescopic end of the first electric push rod is connected with the connecting mechanism; the device realizes the purpose of automatically monitoring the ignition point and extinguishing fire by controlling the water spraying assembly to swing reciprocally and combining the water spraying assembly with the monitoring assembly, and realizes the auxiliary effect of not needing to be left by people beside the equipment, thereby saving manpower.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment, and particularly relates to water-spraying equipment for fire-fighting.
Background
In the patent application of 202321108665.5, a but manual automatic control's fire control sprays facility is proposed, through water valve control rivers state to control select manual, automatic two kinds of spray mode, water economy has better fire extinguishing effect, removes the wheel and is convenient for remove the facility, improves fire extinguishing efficiency.
However, by adopting the technical scheme, only one ignition point at one position can be extinguished, when the fire area is large, the direction of fire extinguishment is manually adjusted, and no matter in an automatic mode or a manual mode, people still need to keep aside to assist.
Disclosure of utility model
Based on the technical problems, the utility model provides the water spraying equipment for fire extinguishment, which realizes the purposes of automatically monitoring the ignition point and extinguishing the fire by controlling the water spraying component to swing back and forth and combining the water spraying component with the monitoring component, and realizes the auxiliary effect of not needing to be left by people beside the equipment, thereby saving manpower.
The specific technical scheme is as follows:
A fire fighting sprinkler, comprising: the fire extinguishing system comprises a movable base, a supporting frame, a rotating mechanism, a first tooth, a reciprocating control assembly, a fixed table, a fire extinguishing system and a monitoring assembly; the support frame is arranged on the movable base; the rotating mechanism comprises an annular groove, a turntable and a pulley, the annular groove is arranged on the top surface of the supporting frame, the pulley is connected with the bottom of the turntable, and the pulley is embedded in the annular groove; the first teeth are arranged on the outer wall of the rotary table; the reciprocating control assembly comprises a vertical frame, a first electric push rod, a connecting mechanism and a rack, wherein the vertical frame is arranged on the movable base, the first electric push rod is fixed on the vertical frame, the telescopic end of the first electric push rod is connected with the connecting mechanism, one end of the rack is connected with the connecting mechanism, the other end of the rack is provided with a second tooth, and the second tooth is meshed with the first tooth; the fixed table is arranged at the top of the turntable; the fire extinguishing system comprises a water supply mechanism and a water spraying assembly, the water supply mechanism is respectively arranged at the movable base and the fixed table, the water spraying assembly is arranged at the top of the water supply mechanism, and the water spraying assembly is rotationally connected with the water supply mechanism; the monitoring assembly comprises a first controller, a second controller, a mounting disc, a mounting clamp and a camera, wherein the mounting disc is arranged at the water spraying assembly, the mounting clamp is an elastic clamp, the mounting clamp is arranged at the mounting disc, the camera is fixed on the mounting clamp, the first controller is respectively connected with the camera and the first electric push rod, and the second controller is respectively connected with the camera and the water supply mechanism.
In addition, the water spraying equipment for fire extinguishment in the technical scheme provided by the utility model can also have the following additional technical characteristics:
In the above technical solution, the connection mechanism includes: the connecting block and the connecting seat; the connecting block is connected with the telescopic end of the first electric push rod; the connecting seat comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are vertically connected, the inner walls of the first connecting plate and the second connecting plate are respectively attached to the top surface and the side surface of the supporting frame, the rack is arranged on the first connecting plate, and the connecting block is connected with the second connecting plate.
In the above technical scheme, the water supply mechanism includes: a water supply tank and a pressurized water tank; the water supply tank is arranged on the movable base; the booster water tank sets up on the fixed station, is equipped with the booster pump in the booster water tank, and the input and the supply tank of booster pump are linked together, and the output and the water spray subassembly of booster pump are linked together, and the booster pump links to each other with the second controller.
In the above technical scheme, the water spray assembly includes: the spray head comprises a connecting cylinder, a water spraying cylinder, an extension cylinder, a spray head and a connecting pipe; the connecting cylinder is rotationally connected with the top of the booster water tank; one end of the water spraying cylinder is communicated with the connecting cylinder, and the mounting plate is arranged on the outer side of the water spraying cylinder; one end of the lengthening cylinder is communicated with the other end of the water spraying cylinder; the spray head is communicated with the other end of the lengthened cylinder; one end of the connecting pipe is communicated with the connecting cylinder, and the other end of the connecting pipe is communicated with the output end of the booster pump.
In the above technical solution, further includes: a second electric push rod and a third controller; one end of the second electric push rod is rotationally connected with the fixed table, and the telescopic end of the second electric push rod is communicated with the water spraying cylinder; and the third controller is respectively connected with the second electric push rod and the camera.
In the above technical solution, further includes: a guide groove and a guide block; the guide groove is arranged at the top of the support frame; the guide block is connected with the bottom of the fixed table and is embedded into the guide groove.
In the above technical solution, further includes: the through hole and the water inlet pipe; the through hole sequentially penetrates through the fixed table, the rotary table and the supporting frame; one end of the water inlet pipe is communicated with the water tank, and the other end of the water inlet pipe sequentially penetrates through the through holes of the supporting frame, the rotary table and the fixed table and the pressurizing water tank and is communicated with the input end of the pressurizing pump.
Compared with the prior art, the water spraying equipment for fire extinguishment has the beneficial effects that:
1. The reciprocating control assembly controls the rotating mechanism to rotate reciprocally, so that the water spraying assembly swings reciprocally to adjust the fire extinguishing direction, water is injected into the water spraying assembly through the water supply mechanism and sprayed out, and the aim of extinguishing fire at a plurality of ignition points on a fire scene is fulfilled.
2. In the process that the reciprocating control assembly controls the water spraying assembly to swing reciprocally, the camera monitors the fire condition of a fire scene, when the camera monitors the fire point, signals are transmitted to the first controller and the second controller, the first controller controls the reciprocating control assembly to stop, so that the fire extinguishing direction of the water spraying assembly is determined, the second controller controls the water supply assembly to operate, water is sprayed out through the water spraying assembly, the purposes of automatically monitoring the fire point and extinguishing the fire are achieved, and further the effect of saving water is achieved; furthermore, the purpose of assisting the device without leaving a person aside is achieved, and therefore manpower is saved.
Drawings
FIG. 1 is a front view of a fire fighting sprinkler according to the present utility model;
FIG. 2 is a side view of a fire fighting sprinkler according to the present utility model;
FIG. 3 is a schematic view of the annular groove of the present utility model;
wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
The device comprises a base, a support frame, a ring groove, a rotary table, a pulley, a first tooth, a vertical frame, a first electric push rod, a rack, a fixed table, a mounting plate, a mounting clamp, a camera, a connecting block, a first connecting plate, a second connecting plate, a water supply tank, a pressurized water tank, a connecting cylinder, a water spraying cylinder, a lengthening cylinder, a spray head, a connecting pipe, a guide groove, a guide block and a water inlet pipe.
Detailed Description
The utility model will be further described with reference to specific embodiments and figures 1-3, but the utility model is not limited to these embodiments.
A water spray apparatus for fire extinguishment, as shown in fig. 1-3, comprising: the fire extinguishing system comprises a movable base 10, a supporting frame 11, a rotating mechanism, a first tooth 15, a reciprocating control assembly, a fixed table 19, a fire extinguishing system and a monitoring assembly; the support frame 11 is arranged on the mobile base 10; the rotating mechanism comprises an annular groove 12, a turntable 13 and a pulley 14, wherein the annular groove 12 is arranged on the top surface of the supporting frame 11, the pulley 14 is connected with the bottom of the turntable 13, and the pulley 14 is embedded in the annular groove 12; the first teeth 15 are arranged on the outer wall of the turntable 13; the reciprocating control assembly comprises a vertical frame 16, a first electric push rod 17, a connecting mechanism and a rack 18, wherein the vertical frame 16 is arranged on the movable base 10, the first electric push rod 17 is fixed on the vertical frame 16, the telescopic end of the first electric push rod 17 is connected with the connecting mechanism, one end of the rack 18 is connected with the connecting mechanism, the other end of the rack 18 is provided with a second tooth, and the second tooth is meshed with the first tooth 15; the fixed table 19 is provided on the top of the turntable 13; the fire extinguishing system comprises a water supply mechanism and a water spraying assembly, wherein the water supply mechanism is respectively arranged at the movable base 10 and the fixed table 19, the water spraying assembly is arranged at the top of the water supply mechanism, and the water spraying assembly is rotationally connected with the water supply mechanism; the monitoring assembly comprises a first controller, a second controller, a mounting plate 20, a mounting clamp 21 and a camera 22, wherein the mounting plate 20 is arranged at the water spraying assembly, the mounting clamp 21 is an elastic clamp, the mounting clamp 21 is arranged at the mounting plate 20, the camera 22 is fixed on the mounting clamp 21, the first controller is respectively connected with the camera 22 and the first electric push rod 17, and the second controller is respectively connected with the camera 22 and the water supply mechanism.
The first electric push rod 17 stretches and contracts to drive the rack 18 to reciprocate, so that the second teeth of the rack 18 are meshed with the first teeth 15 for transmission, the rotary table 13 is controlled to reciprocate, the fire extinguishing direction of the water spraying assembly is adjusted, water is injected into the water spraying assembly through the water supply mechanism and sprayed out, and the aim of extinguishing a plurality of fire points on a fire scene is fulfilled; in the process of controlling the water spraying assembly to swing reciprocally, the camera 22 monitors the fire condition of the fire scene, when the camera 22 monitors the fire point, signals are transmitted to the first controller and the second controller, the first controller controls the first electric push rod 17 to stop operating, so that the fire extinguishing direction of the water spraying assembly is determined, the second controller controls the water supplying assembly to operate, water is sprayed out through the water spraying assembly, the purposes of automatically monitoring the fire point and extinguishing the fire are achieved, and further the effect of saving water is achieved; furthermore, the purpose of assisting the device without leaving a person aside is achieved, and therefore manpower is saved.
Specifically, when the first electric push rod 17 controls the turntable 13 to reciprocally rotate, the pulley 14 slides in the annular groove 12, thereby playing a role of guiding the turntable 13 to stably rotate.
Specifically, the first controller and the second controller are all of the types of conventional controllers.
Specifically, the mounting clip 21 is an elastic clip, so that the camera 22 is conveniently mounted at the mounting plate 20, and is also convenient to detach.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the connection mechanism includes: a connection block 23 and a connection seat; the connecting block 23 is connected with the telescopic end of the first electric push rod 17; the connecting seat comprises a first connecting plate 24 and a second connecting plate 25, the first connecting plate 24 and the second connecting plate 25 are vertically connected, the inner walls of the first connecting plate 24 and the second connecting plate 25 are respectively attached to the top surface and the side surface of the supporting frame 11, the rack 18 is arranged on the first connecting plate 24, and the connecting block 23 is connected with the second connecting plate 25.
The first electric push rod 17 stretches and contracts to drive the connecting block 23 and the connecting seat to move, so that the second teeth and the first teeth 15 are meshed and driven through the reciprocating movement of the rack 18, and the reciprocating rotation of the turntable 13 is controlled; and the first connecting plate 24 and the second connecting plate 25 are respectively attached to the top surface and the side surface of the supporting frame 11, so that the first connecting plate 24 and the second connecting plate 25 are supported and limited, and the phenomenon of unstable deviation in the moving process is avoided.
Specifically, the first connection plate 24 and the second connection plate 25 are of a unitary structure.
In an embodiment of the present utility model, as shown in fig. 1 to 3, the water supply mechanism includes: a water supply tank 26 and a pressurized water tank 27; the water supply tank 26 is provided on the moving base 10; the booster water tank 27 sets up on fixed station 19, is equipped with the booster pump in the booster water tank 27, and the input of booster pump is linked together with supply tank 26, and the output of booster pump is linked together with the water spray subassembly, and the booster pump links to each other with the second controller.
When the camera 22 detects the ignition point, a signal is transmitted to the second controller, so that the booster pump is operated to pump out water in the water supply tank 26, and the water is pressurized by the booster pump and then sprayed out through the water spraying assembly, thereby realizing the effect of improving the range of the water by increasing the pressure of the water.
In an embodiment of the present utility model, as shown in fig. 1 to 3, a water spray assembly includes: a connecting tube 28, a water spraying tube 29, an elongated tube 30, a spray head 31 and a connecting tube 32; the connecting cylinder 28 is rotationally connected with the top of the pressurized water tank 27; one end of the water spraying cylinder 29 is communicated with the connecting cylinder 28, and the mounting plate 20 is arranged on the outer side of the water spraying cylinder 29; one end of the lengthening cylinder 30 is communicated with the other end of the water spraying cylinder 29; the spray head 31 is communicated with the other end of the lengthened cylinder 30; one end of the connection pipe 32 is communicated with the connection cylinder 28, and the other end of the connection pipe 32 is communicated with an output end of the booster pump.
The booster pump injects water into the connecting pipe 32, injects into the connecting cylinder 28 through the connecting pipe 32, and makes water pass through the water spraying cylinder 29, the extension cylinder 30 and the spray head 31 in turn and spouts, utilizes the water spraying cylinder 29 and the spray head 31 to limit the position of water spraying, and further lengthens the range of water spraying through the extension cylinder 30, thereby guaranteeing the effect of hydroenergy spraying to the position of firing point.
In an embodiment of the present utility model, as shown in fig. 1 to 3, further comprising: a second electric push rod 33 and a third controller; one end of the second electric push rod 33 is rotatably connected with the fixed table 19, and the telescopic end of the second electric push rod 33 is communicated with the water spraying cylinder 29; the third controller is connected to the second electric putter 33 and the camera 22, respectively.
The angle of the water spraying cylinder 29 is adjusted by stretching the second electric push rod 33, so that the effect of adjusting the angle of water spraying is achieved, after the camera 22 monitors the position of the ignition point, a signal is transmitted to the third controller, the second electric push rod 33 is enabled to adjust the angle of the water spraying cylinder 29, after the camera 22 monitors that the position reaches a preset position, the second electric push rod 33 is controlled to stop operating after the range of water reaches the position of the ignition point, and therefore the range of fire extinguishment is enlarged, accurate fire extinguishment is guaranteed, and the effect of water consumption is saved.
In an embodiment of the present utility model, as shown in fig. 1 to 3, further comprising: a guide groove 34 and a guide block 35; the guide groove 34 is arranged at the top of the supporting frame 11; the guide block 35 is connected to the bottom of the fixed stage 19, and the guide block 35 is embedded in the guide groove 34.
When the first electric push rod 17 stretches out and draws back, and the control revolving stage 13 reciprocates, fixed station 19 also rotates along with revolving stage 13, and the one end of fixed station 19 has a certain distance with support frame 11, increases the positional relationship between fixed station 19 and the support frame 11 through guide block 35 to guide block 35 through guide slot 34, thereby realize when fixed station 19 rotates, guide block 35 slides along guide slot 34 in, and then plays auxiliary stay's effect to fixed station 19, guarantees that fixed station 19 rotates steadily.
In an embodiment of the present utility model, as shown in fig. 1 to 3, further comprising: a through hole and a water inlet pipe 36; the through holes sequentially penetrate through the fixed table 19, the rotary table 13 and the supporting frame 11; one end of the water inlet pipe 36 is communicated with the water tank, and the other end of the water inlet pipe 36 sequentially passes through the through holes of the support frame 11, the turntable 13 and the fixed table 19 and the booster water tank 27 and is communicated with the input end of the booster pump.
The water inlet pipe 36 is provided with a abdicating function through the through hole, so that the phenomenon that the smooth rotation of the fixed table 19 and the rotary table 13 is influenced due to the interference of the water inlet pipe 36 with the fixed table 19, the rotary table 13 and the supporting frame 11 is avoided.
The implementation process comprises the following steps: the first electric push rod 17 stretches to drive the rack 18 to reciprocate, so that the second teeth of the rack 18 are meshed with the first teeth 15 for transmission, the rotary table 13 is controlled to reciprocate, the fire extinguishing direction of the water spraying assembly is adjusted, water is injected into the water spraying assembly through the water supply mechanism and sprayed out, and the aim of extinguishing a plurality of fire points on a fire scene is fulfilled; in the process of controlling the water spraying assembly to swing reciprocally, the camera 22 monitors the fire condition of the fire scene, when the camera 22 monitors the fire point, signals are transmitted to the first controller and the second controller, the first controller controls the first electric push rod 17 to stop operating, so that the fire extinguishing direction of the water spraying assembly is determined, the second controller controls the water supplying assembly to operate, water is sprayed out through the water spraying assembly, the purposes of automatically monitoring the fire point and extinguishing the fire are achieved, and further the effect of saving water is achieved; furthermore, the purpose of assisting the device without leaving a person aside is achieved, and therefore manpower is saved.
In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. A fire fighting sprinkler, comprising:
a movable base;
The support frame is arranged on the movable base;
The rotating mechanism comprises an annular groove, a turntable and a pulley, wherein the annular groove is arranged on the top surface of the supporting frame, the pulley is connected with the bottom of the turntable, and the pulley is embedded into the annular groove;
The first teeth are arranged on the outer wall of the rotary table;
The reciprocating control assembly comprises a vertical frame, a first electric push rod, a connecting mechanism and a rack, wherein the vertical frame is arranged on the movable base, the first electric push rod is fixed on the vertical frame, the telescopic end of the first electric push rod is connected with the connecting mechanism, one end of the rack is connected with the connecting mechanism, a second tooth is arranged at the other end of the rack, and the second tooth is meshed with the first tooth;
the fixed table is arranged at the top of the turntable;
The fire extinguishing system comprises a water supply mechanism and a water spraying assembly, wherein the water supply mechanism is respectively arranged at the movable base and the fixed table, the water spraying assembly is arranged at the top of the water supply mechanism, and the water spraying assembly is rotationally connected with the water supply mechanism;
The monitoring assembly comprises a first controller, a second controller, a mounting disc, a mounting clamp and a camera, wherein the mounting disc is arranged at the water spraying assembly, the mounting clamp is an elastic clamp, the mounting clamp is arranged at the mounting disc, the camera is fixed on the mounting clamp, the first controller is respectively connected with the camera and the first electric push rod, and the second controller is respectively connected with the camera and the water supply mechanism.
2. A fire fighting water jet apparatus according to claim 1, wherein said connection means comprises:
The connecting block is connected with the telescopic end of the first electric push rod;
The connecting seat comprises a first connecting plate and a second connecting plate, wherein the first connecting plate is vertically connected with the second connecting plate, the inner walls of the first connecting plate and the second connecting plate are respectively attached to the top surface and the side surface of the supporting frame, and the rack is arranged on the first connecting plate and connected with the second connecting plate.
3. A fire fighting water jet apparatus according to claim 2, wherein said water supply means comprises:
a water supply tank provided on the moving base;
The water supply device comprises a water supply tank, a water spray assembly, a water pump, a fixed table, a booster water tank, a second controller and a booster water tank.
4. A fire fighting water jet apparatus as in claim 3 wherein said water jet assembly comprises:
the connecting cylinder is rotationally connected with the top of the pressurized water tank;
The water spraying cylinder is communicated with the connecting cylinder at one end, and the mounting disc is arranged at the outer side of the water spraying cylinder;
One end of the lengthened cylinder is communicated with the other end of the water spraying cylinder;
The spray head is communicated with the other end of the lengthened cylinder;
And one end of the connecting pipe is communicated with the connecting cylinder, and the other end of the connecting pipe is communicated with the output end of the booster pump.
5. The fire fighting water jet apparatus as set forth in claim 4, further comprising:
one end of the second electric push rod is rotationally connected with the fixed table, and the telescopic end of the second electric push rod is communicated with the water spraying cylinder;
And the third controller is respectively connected with the second electric push rod and the camera.
6. A fire fighting sprinkler according to claim 5, further comprising:
The guide groove is arranged at the top of the support frame;
The guide block is connected with the bottom of the fixed table and embedded into the guide groove.
7. The fire fighting water jet apparatus as set forth in claim 6, further comprising:
The through holes sequentially penetrate through the fixed table, the rotary table and the supporting frame;
The water inlet pipe, the one end of inlet pipe with the water tank is linked together, the other end of inlet pipe passes in proper order the support frame the revolving stage with the through-hole of fixed station and the pressure boost water tank, and with the input of booster pump is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785819.0U CN221045362U (en) | 2023-10-18 | 2023-10-18 | Water spraying equipment for fire extinguishment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322785819.0U CN221045362U (en) | 2023-10-18 | 2023-10-18 | Water spraying equipment for fire extinguishment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221045362U true CN221045362U (en) | 2024-05-31 |
Family
ID=91224984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322785819.0U Active CN221045362U (en) | 2023-10-18 | 2023-10-18 | Water spraying equipment for fire extinguishment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221045362U (en) |
-
2023
- 2023-10-18 CN CN202322785819.0U patent/CN221045362U/en active Active
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