CN112302970B - Hydraulic control folding fire-fighting fan - Google Patents
Hydraulic control folding fire-fighting fan Download PDFInfo
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- CN112302970B CN112302970B CN202011202620.5A CN202011202620A CN112302970B CN 112302970 B CN112302970 B CN 112302970B CN 202011202620 A CN202011202620 A CN 202011202620A CN 112302970 B CN112302970 B CN 112302970B
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- hinged support
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
- F04D25/045—Units comprising pumps and their driving means the pump being fluid-driven the pump wheel carrying the fluid driving means, e.g. turbine blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a hydraulic control folding fire fighting fan which comprises a fan frame, a folding diversion water pipe and a folding hydraulic control fan, wherein the fan frame plays a role in bearing other devices and fixing the devices in the center of a roof, the folding diversion water pipe is a device for dispersing water to assist fire fighting and driving the fan to rotate, and the folding hydraulic control fan can be folded and rotate after being scoured by water flow to lead out harmful gas in a fire space. The fan of the fire-fighting fan replaces the common motor drive with water flow impact, the water flow spraying has the functions of fire extinguishing and dust falling, and the water pipe and the fan are foldable, so that the fan is convenient to disassemble and maintain and saves space.
Description
Technical Field
The invention relates to the field of fire fighting fans, in particular to a hydraulic control folding fire fighting fan.
Background
The existing fire-fighting fan is simple in structure and difficult to transport, current drive is adopted more, the mechanism can be damaged and cannot work because flame tends to the junction box when a fire disaster is serious, and the single fan draught effect is not ideal. For this technical problem, application No.: 201720148881 discloses a fire fighting fan convenient to move, which solves the technical problem of inconvenient movement of the existing fire fighting fan to a certain extent, but the device still adopts current drive, and is bulky and difficult to disassemble and maintain.
Disclosure of Invention
Aiming at the technical problems, the invention provides the hydraulic control folding fire fighting fan, the driving mode replaces the original current driving by the water flow driving, the whole body is easy to disassemble and fold, and the occupied space is small after folding for transportation. It includes fan frame, folding reposition of redundant personnel water pipe, folding liquid accuse fan, its characterized in that: the fan frame is a structure for fixing the device on a roof, is also an installation platform for a folding diversion water pipe and a folding hydraulic control fan, and comprises a fan shell, a fixed shaft and a hydraulic cylinder; the folding reposition of redundant personnel water pipe includes: a spherical hinged support; the folding hydraulically controlled fan includes: a sliding turntable and a sliding rod; the fixed shaft is fixedly arranged on the fan shell, the hydraulic cylinder is fixedly arranged on the fan shell, the sliding turntable is movably arranged on the fixed shaft, the sliding turntable is movably connected with a telescopic rod of the hydraulic cylinder, and the sliding rod is rotatably arranged on the spherical hinged support; folding reposition of redundant personnel water pipe still includes: an upper central fixed hinged support, a first connecting rod, a second connecting rod, an upper branch fixed hinged support, a branch pipeline, a branch sliding hinged support, a lower branch fixed hinged support, a third connecting rod, a fourth connecting rod, a main pipeline, a central sliding hinged support, a lower central fixed hinged support, a fifth connecting rod, a sixth connecting rod and a branch pipeline, wherein the upper central fixed hinged support is fixedly arranged on the main pipeline, the first connecting rod is rotatably arranged on the upper central fixed hinged support, the upper branch fixed hinged support is fixedly arranged on the branch pipeline, the second connecting rod is rotatably arranged on the upper branch fixed hinged support, the first connecting rod is rotatably connected with the second connecting rod, the branch sliding hinged support is slidably arranged on the branch pipeline, the lower branch fixed hinged support is fixedly arranged on the branch pipeline, one end of the third connecting rod is rotatably arranged on the branch sliding hinged support, the other end of the third connecting rod is rotatably arranged on the lower central fixed hinged support, one end of the fourth connecting rod is rotatably arranged on the lower branch fixed hinged support, the other end of the fourth connecting rod is rotatably arranged on a central sliding hinged support, the third connecting rod is mutually rotatably connected with the fourth connecting rod, the central sliding hinged support is slidably arranged on a main flow pipeline, a lower central fixed hinged support is slidably arranged on the main flow pipeline, two groups of upper central fixed hinged support, the first connecting rod, the second connecting rod, upper branch fixed hinged support, branch pipeline, branch sliding hinged support, lower branch fixed hinged support, the third connecting rod, the fourth connecting rod, the main flow pipeline, the central sliding hinged support and the lower central fixed hinged support are arranged in bilateral symmetry, one end of the fifth connecting rod is rotatably arranged on one group of branch sliding hinged support, the other end of the fifth connecting rod is rotatably arranged on the other group of lower branch fixed hinged support, one end of the sixth connecting rod is rotatably arranged on one group of lower branch fixed hinged support, the other end of the sixth connecting rod is rotatably arranged on the other group of branch sliding hinged support, and six branch pipes of the branch pipes are respectively fixedly arranged on two groups of pipeline branch pipes, On the main flow pipeline, a spherical hinged support is fixedly arranged on a central sliding hinged support; the folding hydraulically controlled fan further comprises: flabellum pivot, the flabellum, the connecting rod, input conical gear, transmission conical gear, output conical gear, the flabellum is dialled to water, the sliding cylinder, the flabellum pivot is rotated and is installed at the sliding turntable, the flabellum rotates and installs on the flabellum, two flabellums pass through connecting rod swing joint, input conical gear fixed mounting is on the flabellum, transmission conical gear rotates and installs in the flabellum pivot, output conical gear fixed mounting is on the flabellum is dialled to water, water is dialled the flabellum and is rotated and install in the flabellum pivot, transmission conical gear forms the gear fit with input conical gear, output conical gear forms the gear fit with transmission conical gear, the sliding cylinder rotates and installs on the sliding turntable, sliding rod slidable mounting is on the sliding cylinder.
Furthermore, a temperature control switch is fixedly connected to the hydraulic cylinder.
Furthermore, the spherical hinged support, the sliding cylinder and the sliding rod are arranged in two groups in bilateral symmetry relative to the sliding rod.
Furthermore, 6 groups of fan blade rotating shafts, fan blades, connecting rods, input conical gears, transmission conical gears, output conical gears and water stirring fan blades are arranged in the circumferential direction of the sliding turntable.
Furthermore, the water-stirring fan blades are connected with the lower central fixed hinged support through thin wires.
Furthermore, the sliding rod and the spherical hinged support are arranged in a rotating mode and are spherical in shape.
Compared with the prior art, the invention has the beneficial effects that:
(1) the folding diversion water pipe and the folding hydraulic control fan are of foldable structures, and are convenient to disassemble and transport.
(2) The fan blade rotates under the impact of the water flow flowing out of the water pipe, and simultaneously, the water flow sprayed out of the water pipe moves around in a dispersed manner. The use of wires is avoided, and the possibility of the mechanism working in severe environment is enhanced.
(3) According to the invention, the hydraulic cylinder is controlled by the temperature control switch, and the fire-fighting fan is automatically started to work when the environmental temperature changes in case of fire.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is a partial schematic view of the present invention.
Fig. 3 is a schematic view of the folding water distribution pipe of the present invention.
Fig. 4 is a partial schematic view of the folding water distribution pipe of the present invention.
Fig. 5 is a schematic view of a folding pilot-controlled fan according to the present invention.
Fig. 6 is a partial schematic view of a folding pilot-controlled fan according to the present invention.
The reference numbers: 1-a fan frame; 2-folding the diversion water pipe; 3-folding the hydraulic control fan; 101-a fan housing; 102-a stationary shaft; 103-hydraulic cylinder; 201-upper central fixed hinge base; 202-a first link; 203-a second link; 204-upper branch fixed hinged support; 205-tributary conduits; 206-branch sliding hinged support; 207-lower branch fixed hinge base; 208-a third link; 209-a fourth link; 210-a main flow conduit; 211-central sliding hinge support; 212-lower central fixed hinge base; 213-fifth link; 214-sixth link; 215-a shunt line; 216-spherical hinge base; 301-a sliding dial; 302-a blade shaft; 303-fan blades; 304-a connecting rod; 305-input bevel gear; 306-a drive bevel gear; 307-output bevel gear; 308-water stirring fan blades; 309-sliding cylinder; 310-sliding bar.
Detailed Description
The invention will be further described with reference to specific examples, which are provided herein for the purpose of illustration and description, but are not intended to be limiting.
Example (b): a hydraulic folding fire fighting fan as shown in figure 1, figure 2, figure 3, figure 4, figure 5 and figure 6. The fan frame 1 is a structure for fixing the device on a roof, and is also an installation platform for the folding water diversion pipe 2 and the folding hydraulic control fan 3, the fixed shaft 102 is fixedly installed on the fan shell 101, the hydraulic cylinder 103 is fixedly installed on the fan shell 101, the sliding turntable 301 is movably installed on the fixed shaft 102, the sliding turntable 301 is movably connected with a telescopic rod of the hydraulic cylinder 103, and the sliding rod 310 is rotatably installed on the spherical hinged support 216.
The specific structure of the folding water diversion pipe 2 is shown in fig. 3, wherein an upper central fixed hinge 201 is fixedly installed on a main flow pipe 210, a first connecting rod 202 is rotatably installed on the upper central fixed hinge 201, an upper branch fixed hinge 204 is fixedly installed on a branch flow pipe 205, a second connecting rod 203 is rotatably installed on the upper branch fixed hinge 204, the first connecting rod 202 is rotatably connected with the second connecting rod 203, a branch sliding hinge 206 is slidably installed on the branch flow pipe 205, a lower branch fixed hinge 207 is fixedly installed on the branch flow pipe 205, one end of a third connecting rod 208 is rotatably installed on the branch sliding hinge 206, the other end of the third connecting rod 208 is rotatably installed on a lower central fixed hinge 212, one end of a fourth connecting rod 209 is rotatably installed on the lower branch fixed hinge 207, the other end of the fourth connecting rod 209 is rotatably installed on the central sliding hinge 211, the third connecting rod 208 is rotatably connected with the fourth connecting rod 209, a central sliding hinge seat 211 is slidably mounted on a main flow pipeline 210, a lower central fixed hinge seat 212 is slidably mounted on the main flow pipeline 210, two groups of upper central fixed hinge seat 201, a first connecting rod 202, a second connecting rod 203, an upper branch fixed hinge seat 204, branch pipelines 205, branch sliding hinge seats 206, a lower branch fixed hinge seat 207, a third connecting rod 208, a fourth connecting rod 209, the main flow pipeline 210, the central sliding hinge seat 211 and the lower central fixed hinge seat 212 are arranged in bilateral symmetry, one end of a fifth connecting rod 213 is rotatably mounted on one group of branch sliding hinge seats 206, the other end of the fifth connecting rod 213 is rotatably mounted on the other group of lower branch fixed hinge seats 207, one end of a sixth connecting rod 214 is rotatably mounted on one group of lower branch fixed hinge seats 207, the other end of the sixth connecting rod 214 is rotatably mounted on the other group of branch sliding hinge seats 206, six branch pipelines 215 are respectively fixedly mounted on the two groups of pipelines 205, a branch pipeline is mounted on a branch pipeline, a branch pipe, a branch, On the main flow pipe 210, a spherical hinge 216 is fixedly mounted on the central sliding hinge 211.
The specific structure of the folding hydraulic control fan 3 is shown in fig. 5, wherein a fan blade rotating shaft 302 is rotatably installed on a sliding turntable 301, fan blades 303 are rotatably installed on the fan blades 303, the two fan blades 303 are movably connected through a connecting rod 304, an input conical gear 305 is fixedly installed on the fan blades 303, a transmission conical gear 306 is rotatably installed on the fan blade rotating shaft 302, an output conical gear 307 is fixedly installed on a water stirring fan blade 308, the water stirring fan blade 308 is rotatably installed on the fan blade rotating shaft 302, the transmission conical gear 306 forms gear fit with the input conical gear 305, the output conical gear 307 forms gear fit with the transmission conical gear 306, a sliding cylinder 309 is rotatably installed on the sliding turntable 301, and a sliding rod 310 is slidably installed on the sliding cylinder 309.
The working principle is as follows: when the device does not work, the folding diversion water pipe 2 and the folding hydraulic control fan 3 are both in a folding state; when a temperature control switch connected with the hydraulic cylinder 103 detects that the temperature rises, the hydraulic cylinder 103 is controlled to extend out, the sliding turntable 301 is pushed to slide outwards, the central sliding hinged support 211 slides downwards on the main flow pipeline 210 under the action of the sliding cylinder 309 and the sliding rod 310, the branch sliding hinged supports 206 are driven to slide downwards under the action of the third connecting rod 208 and the fourth connecting rod 209, the branch pipeline 205 and the main flow pipeline 210 gradually change towards the unfolding state, the left and right groups of main flow branch pipelines are driven to change towards the unfolding state under the combined action of the fifth connecting rod 213 and the sixth connecting rod 214, meanwhile, the branch pipeline 215 starts to input water flow, and the water flow moves towards six output ports. Sliding turntable 301 slides down, because water is dialled flabellum 308 and is received the restriction of fine rule, drive flabellum pivot 302 and rotate, it outwards expandes to drive flabellum 303, expansion process flabellum 303 interval grow, under the effect of connecting rod 304, flabellum 303 overturns certain angle, drive input conical gear 305 simultaneously and rotate, drive transmission conical gear 306 and rotate, drive output conical gear 307 and rotate, water is dialled flabellum 308 and is rotated certain angle thereupon, and the direction of rotation is opposite with flabellum 303 direction, rivers impact this moment and are dialled on the fan page face of flabellum 308 to water, whole folding liquid accuse fan 3 rotates under the impact of rivers again, flabellum 303 is owing to dialling flabellum 308 angle with water and opposite, the direction of rotation makes it be in the state of extraction air to outside this moment, accomplish air purification's work.
Claims (6)
1. The utility model provides a folding fire control fan of hydraulic control, includes fan frame (1), folding reposition of redundant personnel water pipe (2), folding hydraulic control fan (3), its characterized in that:
fan frame (1) for fixing the structure on roof with the device, also be folding reposition of redundant personnel water pipe (2), folding hydraulic control fan's (3) mounting platform simultaneously, include: the fan comprises a fan shell (101), a fixed shaft (102) and a hydraulic cylinder (103);
the folding diversion water pipe (2) comprises: a spherical hinge mount (216);
the folding hydraulic control fan (3) comprises: a slide dial (301) and a slide rod (310);
the fixed shaft (102) is fixedly arranged on the fan shell (101), the hydraulic cylinder (103) is fixedly arranged on the fan shell (101), the sliding turntable (301) is movably arranged on the fixed shaft (102), the sliding turntable (301) is movably connected with a telescopic rod of the hydraulic cylinder (103), and the sliding rod (310) is rotatably arranged on the spherical hinged support (216);
the folding diversion water pipe (2) further comprises: an upper central fixed hinged support (201), a first connecting rod (202), a second connecting rod (203), an upper branch fixed hinged support (204), a branch pipeline (205), a branch sliding hinged support (206), a lower branch fixed hinged support (207), a third connecting rod (208), a fourth connecting rod (209), a main flow pipeline (210), a central sliding hinged support (211), a lower central fixed hinged support (212), a fifth connecting rod (213), a sixth connecting rod (214) and a branch pipeline (215), wherein the upper central fixed hinged support (201) is fixedly arranged on the main flow pipeline (210), the first connecting rod (202) is rotatably arranged on the upper central fixed hinged support (201), the upper branch fixed hinged support (204) is fixedly arranged on the branch pipeline (205), the second connecting rod (203) is rotatably arranged on the upper branch fixed hinged support (204), the first connecting rod (202) is rotatably connected with the second connecting rod (203), and the branch sliding hinged support (206) is slidably arranged on the branch pipeline (205), a lower branch fixed hinged support (207) is fixedly arranged on a branch pipeline (205), one end of a third connecting rod (208) is rotatably arranged on a branch sliding hinged support (206), the other end of the third connecting rod (208) is rotatably arranged on a lower central fixed hinged support (212), one end of a fourth connecting rod (209) is rotatably arranged on the lower branch fixed hinged support (207), the other end of the fourth connecting rod (209) is rotatably arranged on a central sliding hinged support (211), the third connecting rod (208) and the fourth connecting rod (209) are mutually and rotatably connected, the central sliding hinged support (211) is slidably arranged on a main pipeline (210), the lower central fixed hinged support (212) is slidably arranged on the main pipeline (210), an upper central fixed hinged support (201), a first connecting rod (202), a second connecting rod (203), an upper branch fixed hinged support (204), a branch pipeline (205), a branch sliding hinged support (206), the lower branch fixed hinged support (207), The three-way pipe type pipeline comprises three connecting rods (208), four connecting rods (209), a main flow pipeline (210), a central sliding hinged support (211) and a lower central fixed hinged support (212), wherein the three connecting rods are arranged in two groups in a left-right symmetrical mode, one end of a fifth connecting rod (213) is rotatably installed on one group of branch sliding hinged supports (206), the other end of the fifth connecting rod (213) is rotatably installed on the other group of lower branch fixed hinged support (207), one end of a sixth connecting rod (214) is rotatably installed on one group of lower branch fixed hinged support (207), the other end of the sixth connecting rod (214) is rotatably installed on the other group of branch sliding hinged support (206), six branch pipes of a branch pipe (215) are respectively and fixedly installed on two groups of branch pipes (205) and main flow pipeline (210), and a spherical hinged support (216) is fixedly installed on the central sliding hinged support (211);
the folding hydraulic control fan (3) further comprises: the fan blade rotating shaft (302), fan blades (303), a connecting rod (304), an input conical gear (305), a transmission conical gear (306), an output conical gear (307), a water-stirring fan blade (308) and a sliding cylinder (309), wherein the fan blade rotating shaft (302) is rotatably arranged on the sliding turntable (301), the fan blades (303) are rotatably arranged on the fan blade rotating shaft (302), the two fan blades (303) are movably connected through the connecting rod (304), the input conical gear (305) is fixedly arranged on the fan blades (303), the transmission conical gear (306) is rotatably arranged on the fan blade rotating shaft (302), the output conical gear (307) is fixedly arranged on the water-stirring fan blade (308), the water-stirring fan blade (308) is rotatably arranged on the fan blade rotating shaft (302), the transmission conical gear (306) forms gear fit with the input conical gear (305), the output conical gear (307) forms gear fit with the transmission conical gear (306), the sliding cylinder (309) is rotatably arranged on the sliding turntable (301), and the sliding rod (310) is slidably arranged on the sliding cylinder (309).
2. The hydraulically controlled folding fire fighting fan of claim 1, characterized in that: and a temperature control switch is fixedly connected to the hydraulic cylinder (103).
3. The hydraulically controlled folding fire fighting fan of claim 1, characterized in that: the spherical hinged support (216), the sliding cylinder (309) and the sliding rod (310) are symmetrically arranged in two groups on the left and right of the sliding turntable (301).
4. The hydraulically controlled folding fire fighting fan of claim 1, characterized in that: the fan blade rotating shaft (302), the fan blades (303), the connecting rod (304), the input conical gear (305), the transmission conical gear (306), the output conical gear (307) and the water stirring fan blades (308) are arranged in 6 groups in the circumferential direction of the sliding turntable (301).
5. The hydraulically controlled folding fire fighting fan of claim 1, characterized in that: the water-stirring fan blades (308) are connected with the lower central fixed hinged support (212) through thin lines.
6. The hydraulically controlled folding fire fighting fan of claim 1, characterized in that: the sliding rod (310) and the spherical hinged support (216) are rotationally arranged and are spherical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202620.5A CN112302970B (en) | 2020-11-02 | 2020-11-02 | Hydraulic control folding fire-fighting fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202620.5A CN112302970B (en) | 2020-11-02 | 2020-11-02 | Hydraulic control folding fire-fighting fan |
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| Publication Number | Publication Date |
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| CN112302970A CN112302970A (en) | 2021-02-02 |
| CN112302970B true CN112302970B (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011202620.5A Active CN112302970B (en) | 2020-11-02 | 2020-11-02 | Hydraulic control folding fire-fighting fan |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278616B (en) * | 2021-12-30 | 2022-08-12 | 江苏科创电器有限公司 | Folding portable fan |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105578U (en) * | 1991-12-18 | 1992-05-27 | 廖国桢 | Water flow driving pump |
| JPH09195989A (en) * | 1996-01-17 | 1997-07-29 | Toyota Autom Loom Works Ltd | Blast fan |
| CN105465005A (en) * | 2016-01-14 | 2016-04-06 | 任曲波 | Hydraulic type self-power-generating smoke exhaust fan with lighting function |
| CN107939701A (en) * | 2016-06-30 | 2018-04-20 | 璋峰嘲 | Rolling type fluid drive apparatus |
| CN108488079A (en) * | 2018-02-28 | 2018-09-04 | 重庆酋创科技有限公司 | Device for controlling rotation speed of the fan |
| CN111734660A (en) * | 2020-07-10 | 2020-10-02 | 唐伟军 | Fire-fighting smoke exhaust fan |
-
2020
- 2020-11-02 CN CN202011202620.5A patent/CN112302970B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105578U (en) * | 1991-12-18 | 1992-05-27 | 廖国桢 | Water flow driving pump |
| JPH09195989A (en) * | 1996-01-17 | 1997-07-29 | Toyota Autom Loom Works Ltd | Blast fan |
| CN105465005A (en) * | 2016-01-14 | 2016-04-06 | 任曲波 | Hydraulic type self-power-generating smoke exhaust fan with lighting function |
| CN107939701A (en) * | 2016-06-30 | 2018-04-20 | 璋峰嘲 | Rolling type fluid drive apparatus |
| CN108488079A (en) * | 2018-02-28 | 2018-09-04 | 重庆酋创科技有限公司 | Device for controlling rotation speed of the fan |
| CN111734660A (en) * | 2020-07-10 | 2020-10-02 | 唐伟军 | Fire-fighting smoke exhaust fan |
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| Publication number | Publication date |
|---|---|
| CN112302970A (en) | 2021-02-02 |
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Effective date of registration: 20210721 Address after: 253000 in the hospital of Dezhou Lekang disinfection products Co., Ltd., west of East Second Road of Expressway and south of gongqingtuan Road, songguantun sub district office, economic and Technological Development Zone, De Zhou City, Shandong Province Applicant after: DEZHOU FOLLETT ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 678098 No.92 Xinghua Road, Longyang District, Baoshan City, Yunnan Province Applicant before: Zhang Shanqing |
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Address after: No. 4188-1, north of Dongfanghong Road, Yuanqiao Town, Economic and Technological Development Zone, Dezhou City, Shandong Province, 253000 Patentee after: DEZHOU FOLLETT ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 253000 in the hospital of Dezhou Lekang disinfection products Co., Ltd., west of East Second Road of Expressway and south of gongqingtuan Road, songguantun sub district office, economic and Technological Development Zone, De Zhou City, Shandong Province Patentee before: DEZHOU FOLLETT ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |