CN115337583A - Fire-fighting water spraying device - Google Patents
Fire-fighting water spraying device Download PDFInfo
- Publication number
- CN115337583A CN115337583A CN202210781745.0A CN202210781745A CN115337583A CN 115337583 A CN115337583 A CN 115337583A CN 202210781745 A CN202210781745 A CN 202210781745A CN 115337583 A CN115337583 A CN 115337583A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fire
- gear
- set forth
- fire fighting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a fire-fighting water spraying device, which comprises a main body part, a spraying head part and a spraying head part, wherein the main body part comprises a pipeline, and the spraying head part is arranged at the bottom of the pipeline; and the driving assembly comprises a power part arranged inside the pipeline (101), a rotating part arranged outside the pipeline, and a lifting part arranged outside the rotating part (202). The fire-fighting water spraying device can spray water and simultaneously realize multi-angle and multi-direction rotation to enlarge a fire extinguishing area by matching the main body part and the driving component, and is driven by water flow in a pipeline without an additional driving unit, so that the fire-fighting water spraying device is simple, practical and high in automation degree.
Description
Technical Field
The invention relates to the technical field of fire fighting devices, in particular to a fire fighting water spraying device.
Background
At present, common indoor fire sprinkler is the fire sprinkler head, and it is used for the fire sprinkler system, and when the conflagration breaing out, water spills through shower head splash box and puts out a fire, divide into flagging type watering shower nozzle, upright type watering shower nozzle, ordinary type watering shower nozzle, side wall type watering shower nozzle etc.. However, a common fire sprinkler head can only cover a fixed local area, a plurality of spray heads are required to be installed for covering the whole area, and the installation and maintenance cost is high. The fire-fighting water spraying device capable of rotating in multiple directions is designed, one spray head can cover a large area, water flow can be utilized to automatically rotate, and the fire-fighting water spraying device is simple to use.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: a fire-fighting water spray device comprises a main body part, a water spray head part and a water spray head part, wherein the main body part comprises a pipeline and the water spray head part is arranged at the bottom of the pipeline; and the driving assembly comprises a power part arranged in the pipeline, a rotating part arranged outside the pipeline and a lifting part arranged outside the rotating part.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the nozzle piece comprises a connector arranged at the bottom of the pipeline, the connector is fixedly connected with the pipeline port, and the outer surface of the connector is a part of a spherical surface.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the shower nozzle spare still including set up in the cover that catchments in the connector outside, and set up in catchment the apopore of cover bottom, catchment the open-top of cover and be circular, and its with connector sliding fit.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the power part including set up in the inside flow distribution box of pipeline, and set up in the reposition of redundant personnel hole at flow distribution box top, the flow distribution box with pipeline inner wall fixed connection.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the power part further comprises an impeller arranged inside the flow dividing box and a driving shaft fixedly connected with the impeller, and the driving shaft is rotatably connected with the pipeline wall of the pipeline.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the rotating piece comprises a first gear arranged at one end of the driving shaft, and the first gear is fixedly connected with the driving shaft.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the rotating member is still including set up in a fluted disc of a gear bottom, and set up in the adapter sleeve of a fluted disc bottom, the adapter sleeve with the pipeline rotates to be connected, a fluted disc with adapter sleeve fixed connection.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the lifting piece comprises a supporting rod fixedly connected with the connecting sleeve, and a sliding groove is further formed in the supporting rod.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: promote the piece still including set up in the No. two gears at bracing piece top, and set up in the No. two fluted discs at No. two gear tops, no. two gears with the bracing piece rotates to be connected, no. two fluted discs with pipeline fixed connection.
As a preferable aspect of the fire protection sprinkler device of the present invention, wherein: the lifting piece further comprises a connecting rod arranged on one side end face of the second gear, a sliding block arranged at the bottom of the connecting rod, a lifting rod arranged at the bottom of the connecting rod, and a connecting seat arranged at the top of the water collecting cover.
The invention has the beneficial effects that: the fire-fighting water spraying device can spray water and simultaneously realize multi-angle and multi-direction rotation to enlarge a fire extinguishing area by matching the main body part and the driving component, and is driven by water flow in a pipeline without an additional driving unit, so that the fire-fighting water spraying device is simple, practical and high in automation degree.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor. Wherein:
fig. 1 is an overall configuration diagram of a fire protection sprinkler system.
Fig. 2 is a partial sectional view of a fire sprinkler.
FIG. 3 is a view showing the construction of a driving member of the fire sprinkler.
Fig. 4 is an internal structure view of a driving member of the fire sprinkler.
FIG. 5 is a structural view of a head member of the fire sprinkler.
Fig. 6 is a partial view of a head member of a fire sprinkler.
Fig. 7 is a partial structure view of a lifting member of the fire fighting sprinkler.
In the figure: 100. a main body member; 101. a pipeline; 102. a nozzle member; 102a and a connector; 102b, a water collection cover; 102b-1 and a water outlet; 200. a drive assembly; 201. a power member; 201a, a shunt box; 201a-1, a shunting hole; 201b, an impeller; 201c, a drive shaft; 202. a rotating member; 202a, gear number one; 202b, a first fluted disc; 202c, connecting sleeves; 203. a lifting member; 203a, a support rod; 203a-1, a chute; 203b, a second gear; 203c, a second fluted disc; 203d, a connecting rod; 203e, a sliding block; 203f, a lifting rod; 203g and a connecting seat.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a fire sprinkler, which includes a main body 100 and a driving assembly 200, wherein the main body 100 performs water jet, and the driving assembly 200 enables a sprinkler head to rotate in multiple angles and directions.
Specifically, the main body member 100 comprises a pipeline 101 and a nozzle member 102 arranged at the bottom of the pipeline 101, the pipeline 101 is used for connecting a fire fighting pipeline to access water flow, and the nozzle member 102 enables the water flow to be sprayed in a large range.
Preferably, the driving assembly 200 comprises a power member 201 disposed inside the pipeline 101, a rotating member 202 disposed outside the pipeline 101, and a lifting member 203 disposed outside the rotating member 202, wherein the power member 201 is driven to rotate by the water flow in the pipeline 101 to provide a power source, and the rotating member 202 and the lifting member 203 move simultaneously, so that the nozzle member 102 can reciprocate up and down while rotating horizontally.
When the fire-fighting water flow pipeline is used, firstly, an electromagnetic valve is installed at the position of a joint at the top of the pipeline 101, is controlled to be on and off by a temperature sensor and is connected to the fire-fighting water flow pipeline. When a fire occurs, the temperature rises, the solenoid valve passage opens, and water flows into the pipe 101. At this time, the water flow impacts the power member 201, the power member 201 obtains rotational power, so as to drive the rotating member 202 to move, and the rotating member 202 drives the lifting member 203 to reciprocate up and down through the transmission mechanism. Therefore, when water flows through the nozzle part 102 to spray outwards, the nozzle part 102 can move in multiple angles and directions, thereby expanding the fire extinguishing range and realizing automation.
Example 2
Referring to fig. 2 to 6, a second embodiment of the present invention is based on the above embodiment.
Specifically, the nozzle member 102 further includes a water collection cover 102b disposed outside the connector 102a, and a water outlet hole 102b-1 disposed at the bottom of the water collection cover 102b, wherein a top opening of the water collection cover 102b is circular and is in sliding fit with the connector 102a, the connector 102a is disposed at a part of a sphere, and the top opening of the water collection cover 102b is attached to the outer side surface of the connector 102a, so that the water collection cover 102b can rotate around the outer side surface of the connector 102a in multiple directions and at multiple angles.
Preferably, the power component 201 includes a diversion box 201a disposed inside the pipeline 101, and a diversion hole 201a-1 disposed at the top of the diversion box 201a, the diversion box 201a is fixedly connected to the inner wall of the pipeline 101, when water flows into the pipeline 101, a part of the water flows may enter the diversion box 201a through the diversion hole 201a-1 and flow out from the bottom of the diversion box 201a, and the diversion box 201a is disposed to both drain water and prevent the water flow from flowing out.
Preferably, the power member 201 further includes an impeller 201b disposed inside the flow dividing box 201a, and a driving shaft 201c fixedly connected to the impeller 201b, wherein the driving shaft 201c is rotatably connected to the duct wall of the duct 101. The water flow entering the distribution box 201a will impact the blades of the impeller 201b to rotate the impeller 201b, and a certain sealing process is performed between the driving shaft 201c and the wall of the pipeline 101, which allows a certain leakage because the pipeline is used for fire extinguishing.
Preferably, the rotating member 202 includes a first gear 202a disposed at one end of the driving shaft 201c, the first gear 202a is fixedly connected to the driving shaft 201c, and the driving shaft 201c drives the first gear 202a to rotate.
Preferably, the rotating member 202 further includes a first toothed disc 202b disposed at the bottom of the first toothed disc 202a, and a connecting sleeve 202c disposed at the bottom of the first toothed disc 202b, the connecting sleeve 202c is rotatably connected to the pipe 101, the first toothed disc 202b is fixedly connected to the connecting sleeve 202c, and the rotation of the first toothed disc 202a drives the first toothed disc 202b to rotate around the pipe 101.
When the fire-fighting water flow pipeline is used, firstly, an electromagnetic valve is installed at the position of a joint at the top of the pipeline 101, the electromagnetic valve is controlled to be switched on and off by a temperature sensor, and the electromagnetic valve is connected to the fire-fighting water flow pipeline. When a fire occurs, the temperature rises, the solenoid valve passage opens, and water flows into the pipe 101. At this time, the water flow is divided by the flow dividing box 201a and guided to the inside of the flow dividing box 201a through the flow dividing holes 201a-1 on the flow dividing box 201a, and the water flow impacts the blades of the impeller 201b inside the flow dividing box, so that the impeller 201b rotates, and the rotational power is obtained. The driving shaft 201c fixedly connected to the impeller 201b drives the first gear 202a to rotate, so that the first toothed disc 202b and the connecting sleeve 202c rotate around the pipe 101. The lift member 203 connected to the connection sleeve 202c is reciprocated up and down by the transmission mechanism. Therefore, when water flows out through the connector 102a, the water collecting cover 102b can rotate around the outer side surface of the connector 102a in multiple directions at multiple angles and spray outwards through the water outlet hole 102b-1, the fire extinguishing range is expanded, and meanwhile automation is achieved.
Example 3
Referring to fig. 1 to 7, there is shown a third embodiment of the present invention, which is based on the first two embodiments.
Specifically, the lifting member 203 comprises a supporting rod 203a fixedly connected to the supporting rod 203a, the supporting rod 203a is further provided with a chute 203a-1, and the supporting rod 203a rotate around the pipeline 101 together.
Preferably, the lifting member 203 further includes a second gear 203b disposed on the top of the supporting rod 203a, and a second toothed disc 203c disposed on the top of the second gear 203b, the second gear 203b is rotatably connected to the supporting rod 203a, the second toothed disc 203c is fixedly connected to the pipe 101, and the second gear 203b also rotates along the second toothed disc 203 c.
Preferably, the lifting member 203 further includes a connecting rod 203d disposed on an end surface of one side of the second gear 203b, a slider 203e disposed at a bottom of the connecting rod 203d, a lifting rod 203f disposed at a bottom of the connecting rod 203d, and a connecting seat 203g disposed at a top of the water collection cover 102b, one end of the connecting rod 203d is mounted at a position near an outer edge of the end surface of one side of the second gear 203b by a pin, when the second gear 203b rotates, the slider 203e reciprocates up and down along the sliding groove 203a-1 to drive the lifting rod 203f and the connecting seat 203g to reciprocate up and down, so that the water collection cover 102b swings up and down.
When the fire-fighting water flow pipeline is used, firstly, an electromagnetic valve is installed at the position of a joint at the top of the pipeline 101, the electromagnetic valve is controlled to be switched on and off by a temperature sensor, and the electromagnetic valve is connected to the fire-fighting water flow pipeline. When a fire occurs, the temperature rises, the solenoid valve passage opens, and water flows into the pipe 101. At this time, the water flow is branched by the branch box 201a and guided to the inside of the branch box 201a through the branch holes 201a-1 on the branch box 201a, and the water flow impacts the blades of the impeller 201b inside thereof, so that the impeller 201b is rotated, and the rotational power is obtained. The driving shaft 201c fixedly connected to the impeller 201b drives the first gear 202a to rotate, so that the first toothed disc 202b and the connecting sleeve 202c rotate around the pipeline 101, the supporting rod 203a connected to the connecting sleeve 202c also rotates, and the second gear 203b also rotates along the second toothed disc 203 c. Because one end of the connecting rod 203d is arranged at the position close to the outer edge of the end face of one side of the second gear 203b through the pin shaft, when the second gear 203b rotates, the sliding block 203e can reciprocate up and down along the sliding groove 203a-1 to drive the lifting rod 203f and the connecting seat 203g to reciprocate up and down, so that the water collecting cover 102b swings up and down, when water flows out through the connector 102a, the water collecting cover 102b can rotate around the outer side face of the connector 102a in multiple directions at multiple angles and spray outwards through the water outlet hole 102b-1, the fire extinguishing range is expanded, and meanwhile, automation is realized.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a conflagration fire control water jet equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the main body piece (100) comprises a pipeline (101) and a spray head piece (102) arranged at the bottom of the pipeline (101); and
the driving assembly (200) comprises a power part (201) arranged inside the pipeline (101), a rotating part (202) arranged outside the pipeline (101), and a lifting part (203) arranged outside the rotating part (202).
2. A fire fighting sprinkler as set forth in claim 1, wherein: the nozzle piece (102) comprises a connector (102 a) arranged at the bottom of the pipeline (101), the connector (102 a) is fixedly connected with the port of the pipeline (101), and the outer surface of the connector is a part of a spherical surface.
3. A fire fighting sprinkler as set forth in claim 2, wherein: the spray head piece (102) further comprises a water collecting cover (102 b) arranged on the outer side of the connector (102 a) and a water outlet hole (102 b-1) arranged at the bottom of the water collecting cover (102 b), wherein the top opening of the water collecting cover (102 b) is circular and is in sliding fit with the connector (102 a).
4. A fire fighting sprinkler as set forth in claim 3, wherein: power spare (201) including set up in inside reposition of redundant personnel case (201 a) of pipeline (101), and set up in reposition of redundant personnel hole (201 a-1) at reposition of redundant personnel case (201 a) top, reposition of redundant personnel case (201 a) with pipeline (101) inner wall fixed connection.
5. A fire fighting sprinkler as set forth in claim 4, characterized in that: the power part (201) further comprises an impeller (201 b) arranged inside the flow dividing box (201 a) and a driving shaft (201 c) fixedly connected with the impeller (201 b), and the driving shaft (201 c) is rotatably connected with the pipeline wall of the pipeline (101).
6. A fire fighting sprinkler as set forth in claim 5, characterized in that: the rotating piece (202) comprises a first gear (202 a) arranged at one end of the driving shaft (201 c), and the first gear (202 a) is fixedly connected with the driving shaft (201 c).
7. A fire fighting sprinkler as set forth in claim 6, wherein: rotating member (202) still including set up in a fluted disc (202 b) of a gear (202 a) bottom, and set up in adapter sleeve (202 c) of a fluted disc (202 b) bottom, adapter sleeve (202 c) with pipeline (101) rotate to be connected, a fluted disc (202 b) with adapter sleeve (202 c) fixed connection.
8. A fire fighting sprinkler as set forth in claim 7, wherein: the lifting piece (203) comprises a supporting rod (203 a) fixedly connected with the connecting sleeve (202 c), and a sliding groove (203 a-1) is further formed in the supporting rod (203 a).
9. A fire fighting sprinkler as set forth in claim 8, wherein: the lifting piece (203) further comprises a second gear (203 b) arranged at the top of the supporting rod (203 a) and a second fluted disc (203 c) arranged at the top of the second gear (203 b), the second gear (203 b) is rotatably connected with the supporting rod (203 a), and the second fluted disc (203 c) is fixedly connected with the pipeline (101).
10. A fire fighting sprinkler as set forth in claim 9, wherein: the lifting piece (203) further comprises a connecting rod (203 d) arranged on one side end face of the second gear (203 b), a sliding block (203 e) arranged at the bottom of the connecting rod (203 d), a lifting rod (203 f) arranged at the bottom of the connecting rod (203 d), and a connecting seat (203 g) arranged at the top of the water collecting cover (102 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781745.0A CN115337583B (en) | 2022-07-04 | 2022-07-04 | Fire-fighting water spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210781745.0A CN115337583B (en) | 2022-07-04 | 2022-07-04 | Fire-fighting water spraying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115337583A true CN115337583A (en) | 2022-11-15 |
| CN115337583B CN115337583B (en) | 2023-07-25 |
Family
ID=83948196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210781745.0A Active CN115337583B (en) | 2022-07-04 | 2022-07-04 | Fire-fighting water spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115337583B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923013A (en) * | 1989-08-14 | 1990-05-08 | Gennaro Sergio K De | Fire sprinkler system and automatic shut-off valve therefor |
| CN203861904U (en) * | 2014-05-26 | 2014-10-08 | 华北电力大学（保定） | Entertainment equipment capable of simultaneously rotating and lifting in reciprocating mode |
| CN206896634U (en) * | 2017-06-16 | 2018-01-19 | 浙江东昂电子科技有限公司 | A kind of transformer station's fast fire-extinguishing apparatus |
| CN207152931U (en) * | 2017-09-05 | 2018-03-30 | 深圳市海星信力德智能系统工程有限公司 | A kind of building automatic fire alarm system |
| CN108553781A (en) * | 2018-01-29 | 2018-09-21 | 张苗苗 | A kind of fire-fighting robot |
| CN213994672U (en) * | 2020-10-19 | 2021-08-20 | 西安兴仪科技股份有限公司 | Fire control shower nozzle of adjustable scope that sprays |
| CN113877118A (en) * | 2021-10-25 | 2022-01-04 | 福建迎盛消防科技有限公司 | Multifunctional fire-fighting sprinkler head |
| CN216169564U (en) * | 2021-10-27 | 2022-04-05 | 南京中通消防科技有限公司 | Self-starting fire-fighting equipment for fire fighting in building |
| CN114307022A (en) * | 2021-12-29 | 2022-04-12 | 九江中船长安消防设备有限公司 | Magnetic navigation type compressed air foam fire extinguishing device suitable for high-risk complex places |
-
2022
- 2022-07-04 CN CN202210781745.0A patent/CN115337583B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4923013A (en) * | 1989-08-14 | 1990-05-08 | Gennaro Sergio K De | Fire sprinkler system and automatic shut-off valve therefor |
| CN203861904U (en) * | 2014-05-26 | 2014-10-08 | 华北电力大学（保定） | Entertainment equipment capable of simultaneously rotating and lifting in reciprocating mode |
| CN206896634U (en) * | 2017-06-16 | 2018-01-19 | 浙江东昂电子科技有限公司 | A kind of transformer station's fast fire-extinguishing apparatus |
| CN207152931U (en) * | 2017-09-05 | 2018-03-30 | 深圳市海星信力德智能系统工程有限公司 | A kind of building automatic fire alarm system |
| CN108553781A (en) * | 2018-01-29 | 2018-09-21 | 张苗苗 | A kind of fire-fighting robot |
| CN213994672U (en) * | 2020-10-19 | 2021-08-20 | 西安兴仪科技股份有限公司 | Fire control shower nozzle of adjustable scope that sprays |
| CN113877118A (en) * | 2021-10-25 | 2022-01-04 | 福建迎盛消防科技有限公司 | Multifunctional fire-fighting sprinkler head |
| CN216169564U (en) * | 2021-10-27 | 2022-04-05 | 南京中通消防科技有限公司 | Self-starting fire-fighting equipment for fire fighting in building |
| CN114307022A (en) * | 2021-12-29 | 2022-04-12 | 九江中船长安消防设备有限公司 | Magnetic navigation type compressed air foam fire extinguishing device suitable for high-risk complex places |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115337583B (en) | 2023-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2805823Y (en) | Rotating sieve type large-flow fire-extinguishing nozzle | |
| CN104729355B (en) | A kind of condenser fin automatic clearing apparatus and include the air-conditioner of this cleaning device | |
| CN115337583A (en) | Fire-fighting water spraying device | |
| CN209307689U (en) | Rotary drum washing machine and its spray system and outer bung | |
| CN213964932U (en) | Fire water monitor head self-driven stepless swing system | |
| US4579140A (en) | Air relief device for liquid flow pipe | |
| CN110860387A (en) | Afforestation is with shower nozzle that waters | |
| CN216452393U (en) | Greening roof in sponge city | |
| CN1701827A (en) | Rotary screen type big-flow fire extinguishing sprayer | |
| CN116784203A (en) | Agricultural irrigation device | |
| CN213252741U (en) | Fire-fighting rotary spray head | |
| CN212589408U (en) | Multi-angle sprinkling irrigation equipment is used in view gardens | |
| CN212709983U (en) | Plant protection unmanned aerial vehicle is with scalable shower nozzle | |
| CN104056739A (en) | High rod power-free rotary sprayer | |
| CN204093800U (en) | A kind of annular self-cleaning device | |
| CN209865109U (en) | Automatic fire extinguisher | |
| JP2012250182A (en) | Cleaning apparatus | |
| CN207839220U (en) | A kind of Water-saving spray device for garden landscape | |
| CN210787224U (en) | Cleaning mechanism of vertical double-barrel mixer | |
| CN220383857U (en) | Spray set is used in gardens | |
| CN211563371U (en) | Afforestation is with shower nozzle that waters | |
| CN216779228U (en) | Outdoor view rotation type level pressure shower nozzle for fountain | |
| CN104209302B (en) | A kind of annular self-cleaning device | |
| CN203956207U (en) | A kind of inside diameter slicer cutting oil recovery structure | |
| CN116920548B (en) | Spray dust removing device and dust removing method for building engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |