CN220938888U - Automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance - Google Patents
Automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance Download PDFInfo
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- CN220938888U CN220938888U CN202321806008.8U CN202321806008U CN220938888U CN 220938888 U CN220938888 U CN 220938888U CN 202321806008 U CN202321806008 U CN 202321806008U CN 220938888 U CN220938888 U CN 220938888U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000005286 illumination Methods 0.000 title claims abstract description 35
- 238000004146 energy storage Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 244000309464 bull Species 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 7
- 239000007921 spray Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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Abstract
The utility model discloses an automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance, which relates to the technical field of fire-fighting equipment and comprises a main body, wherein a cooling mechanism is arranged at the upper end of the main body, and an illumination mechanism is arranged at one side of the cooling mechanism. The automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance can have the function of cooling devices under the combined action of the connecting base, the fixing ring, the mandrel, the box body, the ventilation opening, the box cover and the cooling fan, can have the function of illuminating a fire place under the combined action of the supporting frame, the fastening knob, the rotating block, the illuminating lamp, the connecting block, the connecting seat and the adjusting piece, and can have the function of fixing a main body under the combined action of the vertical rotating seat, the rotating sleeve, the elastic piece, the rotating rod and the control hand rod.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to an automatic illumination temperature-adjusting energy-storage type pulse water jet fire-fighting lance.
Background
The fire-fighting lance is a water jetting tool for extinguishing fire, and is connected with a water hose to jet densely-filled water flow, so that the fire-fighting lance has the advantages of long range, large water quantity and the like, and can be divided into: a direct current water gun, a spray water gun, a multipurpose water gun and the like, wherein the common water gun is a direct current water gun and a spray water gun. The water gun is a main device for firefighters in fire extinguishment, and can convert high-pressure water flow in a water band into high-speed jet flow of the water gun and spray the jet flow onto objects in a fire scene so as to achieve the aim of extinguishment;
At present, the jet flow of the fire-fighting lance is often divided into two types, namely dense jet flow and disperse jet flow, and the water lance capable of spraying the dense jet flow, such as a direct-current water lance and a water lance with a rack, and the water lance capable of spraying the disperse jet flow, such as a spray water lance, a flowering water lance and the like. It is the squirt that makes water through squirt not only can reach the purpose of putting out a fire rapidly to become different forms with water action, but also can be used for putting out a fire that some can not be put out with water.
The following problems exist in the prior art:
1. The existing automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance does not have the function of cooling the lance body and the fire fighter after fire disaster is extinguished in the use process, so that the workload is increased, and the physical health of the fire fighter is affected;
2. when the existing automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance is used, during the use process, when fire is extinguished at night or in dark space in daytime, or the visibility of a fire scene is low due to smoke filling and the like, a firefighter cannot accurately identify objects in front of the fire-fighting lance;
3. The existing automatic illumination temperature-adjusting energy-storage type pulse water jet fire-fighting lance has the defects that in the using process, due to the fact that the impact force of the ejected water flow is large, certain reaction force exists during ejection, if the control of a user is unstable, the water gun is easily deviated and cannot be aligned, and the practicability of the device is affected.
Disclosure of utility model
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides an automatic illumination energy storage formula pulse water jet fire-fighting lance that adjusts temperature, includes the main part, the upper end of main part is provided with cooling mechanism, one side of cooling mechanism is provided with lighting mechanism, one side of main part is provided with the toper water tube head, one side of toper water tube head is provided with the toper nozzle, one side of main part is provided with adjustment mechanism, the lower extreme of main part is provided with the handle, one side of main part is provided with the connecting piece, one side of connecting piece is provided with the body; the cooling mechanism comprises a connecting base, the lower end of the connecting base is fixedly connected with the upper end of the main body, a fixing ring is arranged at the upper end of the connecting base, a mandrel is arranged at the upper end of the fixing ring, a box body is arranged at the upper end of the mandrel, a ventilation port is arranged on one side of the box body, a box cover is arranged at the upper end of the box body, and a cooling fan is arranged in the inner cavity of the box body; the lighting mechanism comprises a supporting frame, the lower extreme of supporting frame and the upper end fixed connection of main part, the upper end of supporting frame is provided with fastening knob, fastening knob's upper end is provided with the turning block, the upper end of turning block is provided with the light, the lower extreme of light is provided with the connecting block, the lower extreme of connecting block is provided with the connecting seat, the lower extreme of connecting seat is provided with the regulating part.
The technical scheme of the utility model is further improved as follows: the upper end of the connecting base is fixedly connected with the lower end of the fixing ring, the upper end of the fixing ring is fixedly connected with the lower end of the mandrel, and the upper end of the mandrel is fixedly connected with the lower end of the box body.
The technical scheme of the utility model is further improved as follows: one side of the box body is fixedly connected with one side of the ventilation opening, the upper end of the box body is fixedly connected with the lower end of the box cover, and one side of the inner wall of the box body is fixedly connected with one side of the cooling fan.
The technical scheme of the utility model is further improved as follows: the upper end of the support frame is fixedly connected with the lower end of the fastening knob, the upper end of the fastening knob is fixedly connected with the lower end of the rotating block, and the upper end of the rotating block is fixedly connected with the lower end of the illuminating lamp.
The technical scheme of the utility model is further improved as follows: the lower extreme of light and the upper end fixed connection of connecting block, the lower extreme of connecting block and the upper end fixed connection of connecting seat, the lower extreme of connecting seat and the upper end swing joint of regulating part.
The technical scheme of the utility model is further improved as follows: the adjusting mechanism comprises a vertical rotating seat, the upper end of the vertical rotating seat is fixedly connected with the lower end of the main body, a rotating sleeve is arranged at the lower end of the vertical rotating seat, an elastic piece is arranged on the inner wall of the rotating sleeve, a rotating rod is arranged on the inner wall of the elastic piece, and a control hand rod is arranged on one side of the rotating rod.
The technical scheme of the utility model is further improved as follows: the lower extreme of perpendicular swivel mount is rotated with the upper end of changeing the cover and is connected, the inner wall of changeing the cover is connected with the surface fixed of elastic piece, the inner wall of elastic piece and the surface fixed connection of bull stick, one side of bull stick and one side fixed connection of control hand lever.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
The utility model provides an automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance, which can enable the automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance to have the function of cooling a device under the combined action of a connecting base, a fixed ring, a mandrel, a box body, a ventilation port, a box cover and a cooling fan.
The utility model provides an automatic illumination temperature-adjusting energy-storage type pulse water jet fire-fighting lance, which can enable the automatic illumination temperature-adjusting energy-storage type pulse water jet fire-fighting lance to have the function of illuminating a fire place under the combined action of a supporting frame, a fastening knob, a rotating block, an illuminating lamp, a connecting block, a connecting seat and an adjusting piece.
The utility model provides an automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance, which can ensure that the automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance has the function of fixing a main body under the combined action of a vertical swivel, a swivel, an elastic sheet, a rotating rod and a control hand lever.
Drawings
FIG. 1 is a schematic diagram of an automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance;
FIG. 2 is a schematic diagram of a cooling mechanism according to the present utility model;
FIG. 3 is a schematic view of the lighting mechanism of the present utility model;
Fig. 4 is a schematic structural view of the adjusting mechanism of the present utility model.
In the figure: 1. a main body; 2. a cooling mechanism; 3. an illumination mechanism; 4. a conical water pipe head; 5. a conical nozzle; 6. an adjusting mechanism; 7. a grip; 8. a connecting piece; 9. a tube body; 21. the base is connected; 22. a fixing ring; 23. a mandrel; 24. a case; 25. a ventilation port; 26. a case cover; 27. a cooling fan; 31. a support frame; 32. fastening a knob; 33. a rotating block; 34. a lighting lamp; 35. a connecting block; 36. a connecting seat; 37. an adjusting member; 61. a vertical swivel mount; 62. a rotating sleeve; 63. an elastic sheet; 64. a rotating rod; 65. and controlling the hand lever.
Description of the embodiments
The utility model is further illustrated by the following examples:
examples
As shown in fig. 1-4, the utility model provides an automatic illumination temperature-regulating energy-accumulating pulse water jet fire-fighting lance, which comprises a main body 1, wherein a cooling mechanism 2 is arranged at the upper end of the main body 1, an illumination mechanism 3 is arranged on one side of the cooling mechanism 2, a conical water pipe head 4 is arranged on one side of the main body 1, a conical nozzle 5 is arranged on one side of the conical water pipe head 4, an adjusting mechanism 6 is arranged on one side of the main body 1, a grip 7 is arranged at the lower end of the main body 1, a connecting piece 8 is arranged on one side of the main body 1, and a pipe body 9 is arranged on one side of the connecting piece 8.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the cooling mechanism 2 comprises a connecting base 21, the lower end of the connecting base 21 is fixedly connected with the upper end of the main body 1, a fixed ring 22 is arranged at the upper end of the connecting base 21, a mandrel 23 is arranged at the upper end of the fixed ring 22, a box 24 is arranged at the upper end of the mandrel 23, a ventilation opening 25 is arranged at one side of the box 24, a box cover 26 is arranged at the upper end of the box 24, a cooling fan 27 is arranged in an inner cavity of the box 24, the upper end of the connecting base 21 is fixedly connected with the lower end of the fixed ring 22, the upper end of the fixed ring 22 is fixedly connected with the lower end of the mandrel 23, the upper end of the mandrel 23 is fixedly connected with the lower end of the box 24, one side of the box 24 is fixedly connected with one side of the ventilation opening 25, the upper end of the box 24 is fixedly connected with the lower end of the box cover 26, and one side of the cooling fan 27 is fixedly connected with one side of the inner wall of the box 24.
In this embodiment, can make this automatic illumination energy storage formula pulse water jet fire-fighting lance that adjusts temperature possess the function of cooling to the device, this change is through the upper end of connection base 21 fixed mounting and main part 1, the upper end of connection base 21 is equipped with solid fixed ring 22, gu the upper end of fixed ring 22 rotates through dabber 23, dabber 23 connects box 24, ventilation port 25 has been seted up to one side of box 24, box cover 26 is installed through the bolt to the upper end of box 24, one side fixed connection of inner chamber side and cooling fan 27 of box 24, through start cooling fan 27, after the use, the fire fighter can make it begin to rotate through opening cooling fan 27, thereby the wind that cooling fan 27 blew out from ventilation port 25, help the fire fighter in time to the health cooling, the work of fire fighter personnel has brought convenience.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the lighting mechanism 3 comprises a supporting frame 31, the lower end of the supporting frame 31 is fixedly connected with the upper end of the main body 1, a fastening knob 32 is arranged at the upper end of the supporting frame 31, a rotating block 33 is arranged at the upper end of the fastening knob 32, an illuminating lamp 34 is arranged at the upper end of the rotating block 33, a connecting block 35 is arranged at the lower end of the illuminating lamp 34, a connecting seat 36 is arranged at the lower end of the connecting block 35, an adjusting piece 37 is arranged at the lower end of the connecting seat 36, the upper end of the supporting frame 31 is fixedly connected with the lower end of the fastening knob 32, the upper end of the fastening knob 32 is fixedly connected with the lower end of the rotating block 33, the lower end of the illuminating lamp 34 is fixedly connected with the upper end of the connecting block 35, the lower end of the connecting block 35 is fixedly connected with the upper end of the connecting seat 36, and the lower end of the connecting seat 36 is movably connected with the upper end of the adjusting piece 37.
In this embodiment, can make this automatic illumination energy storage formula pulse water jet fire gun that adjusts temperature possess the function of illumination to the department of fire, this change is through support frame 31 fixed mounting and the upper end of main part 1, the upper end of support frame 31 is equipped with rotating block 33, when using, through fire fighter regulation regulating part 37, thereby regulating part 37 drives connecting seat 36 and takes place the angle swing, thereby connecting seat 36 drives connecting block 35 and swings certain angle, then connecting block 35 drives light 34 and swings certain angle, it is fixed with it through fastening knob 32, thereby reached the effect of adjusting the irradiation angle of light 34, the help fire fighter of being convenient for carries out accurate discernment to the object in the place ahead environment, put out the rescue work for the scene of fire and brought convenience.
Examples
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the adjusting mechanism 6 comprises a vertical rotating seat 61, the upper end of the vertical rotating seat 61 is fixedly connected with the lower end of the main body 1, a rotating sleeve 62 is arranged at the lower end of the vertical rotating seat 61, an elastic piece 63 is arranged on the inner wall of the rotating sleeve 62, a rotating rod 64 is arranged on the inner wall of the elastic piece 63, a control hand rod 65 is arranged on one side of the rotating rod 64, the lower end of the vertical rotating seat 61 is rotatably connected with the upper end of the rotating sleeve 62, the inner wall of the rotating sleeve 62 is fixedly connected with the outer surface of the elastic piece 63, the inner wall of the elastic piece 63 is fixedly connected with the outer surface of the rotating rod 64, and one side of the rotating rod 64 is fixedly connected with one side of the control hand rod 65.
In this embodiment, can make this automatic illumination energy storage formula pulse water jet fire-fighting lance that adjusts temperature possess the function of fixing the main part, this change has offered perpendicular swivel mount 61 through the lower extreme of main part 1, control hand lever 65 has been installed to the rotation on the perpendicular swivel mount 61, the bull stick 64 has been installed to the inside of perpendicular swivel mount 61, the cover 62 has been seted up to one end of control hand lever 65, the inner wall of cover 62 is equipped with elastic slice 63, when using the fire-fighting lance to put out a fire, can hold control hand lever 65, stability through control hand lever 65 control squirt, control hand lever 65 and perpendicular swivel mount 61 rotate through cover 62 and bull stick 64 and set up, in order to improve the stability of control hand lever 65, the teeth of a cogwheel have been seted up on the bull stick 64, elastic slice 63 and cogwheel meshing are connected, the cover is equipped with the antiskid cover on the control hand lever 65, prevent that control hand lever 65 from taking off the hand, conveniently aim at the fire source, the practicality of this squirt is improved, and fire extinguishing efficiency is improved.
The working principle of the automatic illumination temperature-adjusting energy-storage type pulse water jet fire-fighting lance is specifically described below.
As shown in fig. 1-4, when the automatic-lighting temperature-regulating energy-storage type pulse water jet fire-fighting lance is used, the automatic-lighting temperature-regulating energy-storage type pulse water jet fire-fighting lance can be provided with a function of cooling a device through a cooling mechanism 2, the automatic-lighting temperature-regulating energy-storage type pulse water jet fire-fighting lance is fixedly arranged at the upper end of a main body 1 through a connecting base 21, a fixed ring 22 is arranged at the upper end of the connecting base 21, the upper end of the fixed ring 22 rotates through a mandrel 23, the mandrel 23 is connected with a box body 24, a ventilation port 25 is arranged at one side of the box body 24, a box cover 26 is arranged at the upper end of the box body 24 through a bolt, one side of an inner cavity of the box body 24 is fixedly connected with one side of a cooling fan 27, after the use is finished, a fire fighter can start to rotate through opening the cooling fan 27, so that wind blown out by the cooling fan 27 blows out from the ventilation port 25, the automatic illumination temperature-adjusting energy-storage type pulse water jet fire gun is convenient for helping fire fighters to timely cool bodies, brings convenience to work of the fire fighter personnel, then can have the function of illuminating a fire place through the illumination mechanism 3, is convenient for helping fire fighters to accurately identify objects in the front environment by the aid of the support frame 31 fixedly arranged at the upper end of the main body 1, is provided with the rotating block 33 at the upper end of the support frame 31, and brings convenience to fire scene rescue work by adjusting the adjusting piece 37 through the fire fighter adjusting piece 37, so that the adjusting piece 37 drives the connecting seat 36 to swing at an angle, the connecting seat 36 drives the connecting block 35 to swing at an angle, the connecting block 35 drives the illuminating lamp 34 to swing at an angle, and the illuminating lamp 34 is fixed through the fastening knob 32, the automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance can be enabled to have the function of fixing a main body through the adjusting mechanism 6, the vertical rotary seat 61 is arranged at the lower end of the main body 1, the control hand rod 65 is rotatably arranged on the vertical rotary seat 61, the rotary rod 64 is arranged in the vertical rotary seat 61, the rotary sleeve 62 is arranged at one end of the control hand rod 65, the elastic piece 63 is arranged on the inner wall of the rotary sleeve 62, when the fire-fighting lance is used for extinguishing fire, the control hand rod 65 can be held, the stability of the fire lance is controlled through the control hand rod 65, the control hand rod 65 and the vertical rotary seat 61 are rotatably arranged through the rotary sleeve 62 and the rotary rod 64, gear teeth are arranged on the rotary rod 64, the elastic piece 63 is meshed and connected with the gear teeth, the anti-slip sleeve is arranged on the control hand rod 65, the control hand rod 65 is prevented from slipping, a fire source is conveniently aligned, the practicability of the fire-fighting lance is improved, and the fire-extinguishing efficiency is improved.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides an automatic illumination energy storage formula pulse water jet fire-fighting lance that adjusts temperature, includes main part (1), its characterized in that: the novel water heater comprises a main body (1), wherein a cooling mechanism (2) is arranged at the upper end of the main body (1), an illuminating mechanism (3) is arranged on one side of the cooling mechanism (2), a conical water pipe head (4) is arranged on one side of the main body (1), a conical nozzle (5) is arranged on one side of the conical water pipe head (4), an adjusting mechanism (6) is arranged on one side of the main body (1), a grip (7) is arranged at the lower end of the main body (1), a connecting piece (8) is arranged on one side of the main body (1), and a pipe body (9) is arranged on one side of the connecting piece (8);
The cooling mechanism (2) comprises a connecting base (21), the lower end of the connecting base (21) is fixedly connected with the upper end of the main body (1), a fixing ring (22) is arranged at the upper end of the connecting base (21), a mandrel (23) is arranged at the upper end of the fixing ring (22), a box body (24) is arranged at the upper end of the mandrel (23), a ventilation port (25) is arranged at one side of the box body (24), a box cover (26) is arranged at the upper end of the box body (24), and a cooling fan (27) is arranged in an inner cavity of the box body (24);
The lighting mechanism (3) comprises a supporting frame (31), the lower extreme of supporting frame (31) is fixedly connected with the upper end of main part (1), the upper end of supporting frame (31) is provided with fastening knob (32), the upper end of fastening knob (32) is provided with rotating block (33), the upper end of rotating block (33) is provided with light (34), the lower extreme of light (34) is provided with connecting block (35), the lower extreme of connecting block (35) is provided with connecting seat (36), the lower extreme of connecting seat (36) is provided with regulating part (37).
2. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 1 is characterized in that: the upper end of the connecting base (21) is fixedly connected with the lower end of the fixing ring (22), the upper end of the fixing ring (22) is fixedly connected with the lower end of the mandrel (23), and the upper end of the mandrel (23) is fixedly connected with the lower end of the box body (24).
3. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 2 is characterized in that: one side of the box body (24) is fixedly connected with one side of the ventilation opening (25), the upper end of the box body (24) is fixedly connected with the lower end of the box cover (26), and one side of the inner wall of the box body (24) is fixedly connected with one side of the cooling fan (27).
4. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 1 is characterized in that: the upper end of the supporting frame (31) is fixedly connected with the lower end of the fastening knob (32), the upper end of the fastening knob (32) is fixedly connected with the lower end of the rotating block (33), and the upper end of the rotating block (33) is fixedly connected with the lower end of the illuminating lamp (34).
5. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 4 wherein: the lower extreme of light (34) is fixed connection with the upper end of connecting block (35), the lower extreme of connecting block (35) is fixed connection with the upper end of connecting seat (36), the lower extreme of connecting seat (36) and the upper end swing joint of regulating part (37).
6. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 1 is characterized in that: the adjusting mechanism (6) comprises a vertical rotating seat (61), the upper end of the vertical rotating seat (61) is fixedly connected with the lower end of the main body (1), a rotating sleeve (62) is arranged at the lower end of the vertical rotating seat (61), an elastic sheet (63) is arranged on the inner wall of the rotating sleeve (62), a rotating rod (64) is arranged on the inner wall of the elastic sheet (63), and a control hand rod (65) is arranged on one side of the rotating rod (64).
7. The automatic illumination and temperature regulation energy storage type pulse water jet fire-fighting lance of claim 6 wherein: the lower extreme of perpendicular swivel mount (61) rotates with the upper end of changeing cover (62) and is connected, the inner wall of changeing cover (62) is connected with the surface fixed of elastic piece (63), the inner wall of elastic piece (63) is connected with the surface fixed of bull stick (64), one side of bull stick (64) is connected with one side fixed of control hand lever (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806008.8U CN220938888U (en) | 2023-07-11 | 2023-07-11 | Automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321806008.8U CN220938888U (en) | 2023-07-11 | 2023-07-11 | Automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220938888U true CN220938888U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321806008.8U Active CN220938888U (en) | 2023-07-11 | 2023-07-11 | Automatic illumination temperature-regulating energy-storage type pulse water jet fire-fighting lance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220938888U (en) |
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2023
- 2023-07-11 CN CN202321806008.8U patent/CN220938888U/en active Active
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