CN112401766A - Automatic watering lorry for clean workshop - Google Patents
Automatic watering lorry for clean workshop Download PDFInfo
- Publication number
- CN112401766A CN112401766A CN202011189532.6A CN202011189532A CN112401766A CN 112401766 A CN112401766 A CN 112401766A CN 202011189532 A CN202011189532 A CN 202011189532A CN 112401766 A CN112401766 A CN 112401766A
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- Prior art keywords
- water
- water tank
- fixedly connected
- outlet pipe
- send
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- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000009434 installation Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 10
- 238000005507 spraying Methods 0.000 description 6
- 239000002585 base Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/26—Floor-scrubbing machines, hand-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4072—Arrangement of castors or wheels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4077—Skirts or splash guards
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Landscapes
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses an automatic sprinkler for a clean workshop, which comprises a water tank, a water delivery device and a water pushing handle, wherein the water delivery device is fixedly arranged on the outer side of the water tank and consists of a water stop valve, a water outlet pipe, a connecting nut and water outlet holes, the upper end of the water delivery device is fixedly connected with the water stop valve, the connecting nut is fixedly arranged on one side of the water delivery device, the connecting nut is fixedly connected to the outer side of the water tank and passes through the water outlet holes which are uniformly formed in the bottom of the water outlet hole, the water delivery device can deliver water after the valve of the trolley is opened, then 7 water outlet holes which are uniformly distributed in the bottom of the water outlet pipe can be uniformly distributed for sprinkling, the uniform degree of sprinkling is greatly improved in the using process, the water outlet quantity can be controlled by the valve, and a U-shaped support frame fixedly connected with the outside can generate an impact phenomenon in the sprinkling process, can protect inside outlet pipe through U type support frame, it is comparatively convenient during the application.
Description
Technical Field
The invention relates to the technical field of watering trolleys, in particular to an automatic watering cart for a clean workshop.
Background
The manufacture of solar cells requires seven major processes of texturing, diffusion, etching, coating, screen printing and sintering tests. Meanwhile, each process requires high workshop cleanliness, so large-area dust fall and workshop floor cleaning are required. The original manpower is used for mopping or bucket-lifting water sprinkling, which wastes time and labor and has low working efficiency. Therefore, it is desirable to develop an automatic watering device that can clean large areas of a floor of a workshop efficiently and at low cost.
Automatic watering lorry in workshop on present market most all possess some simple watering functions, the delivery port that is most when using is single can not carry out even watering on a large scale, the inhomogeneous phenomenon of watering can appear at the in-process of watering, the phenomenon of striking can appear when using for a long time, it can not protect the water tank, along with the continuous increase of live time simultaneously, the phenomenon of acid-base corrosion can appear in the inside of water tank, thereby cause the injury to reduce the life-span that the water tank used to the inside of water tank, it is comparatively troublesome to use the market, inconvenient use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automatic sprinkler for a clean workshop, which solves the problems that most automatic sprinklers for workshops on the existing market have simple sprinkling functions, most water outlets are single and cannot sprinkle water uniformly in a large range in use, the phenomenon of uneven sprinkling can occur in the sprinkling process, the phenomenon of impact can occur in long-time use, the water tank cannot be protected, and meanwhile, the phenomenon of acid-base corrosion can occur in the water tank along with the continuous increase of the use time, the service life of the water tank is shortened due to the fact that the interior of the water tank is injured, the use market is troublesome, and the automatic sprinkler is inconvenient to use.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: automatic watering lorry in clean workshop, including the water tank, send water installation and water to push away the handle, the fixed water installation that sends that is equipped with in the outside of water tank, send the water installation to constitute by stagnant water valve, outlet pipe, coupling nut and apopore respectively, send the upper end fixed connection stagnant water valve of water installation, send one side of water installation to fix and be equipped with coupling nut, coupling nut fixed connection is in the outside of water tank, send the top fixed connection outlet pipe of water installation, the apopore is seted up to the bottom of outlet pipe, the apopore is the evenly distributed form.
Preferably, the upper end of the water tank is fixedly connected with the portable handle, the outer portion of the water tank is fixedly provided with the anti-collision frame in a welding mode, and the upper end of one side of the anti-collision frame is fixedly connected with the thin hand-push handle in a welding mode.
Preferably, the outside of anticollision frame is through welded mode fixed connection U type support frame, U type support frame is the symmetric distribution form, the outside one side fixed connection horizontal bracing piece of U type support frame, horizontal bracing piece is the symmetric distribution form.
Preferably, the bottom of the anti-collision frame is fixedly provided with a bottom plate, the bottom plate is in an evenly distributed form, and the periphery inside the bottom plate is respectively provided with a fixing screw.
Preferably, the inner part of the bottom plate is fixedly connected with a rotating shaft, the outer part of the rotating shaft is fixedly connected with steering rollers, and the steering rollers are in an evenly distributed form.
(III) advantageous effects
The invention provides an automatic sprinkler for a clean workshop. The method has the following beneficial effects:
(1) the automatic sprinkler for the clean workshop is characterized in that the water tank can be connected through the water outlets evenly formed in the bottoms of the water outlets by the connecting nuts, the water delivery device can deliver water after the valve of the trolley is opened, and then 7 water outlets evenly distributed in the bottom of the water outlet pipe can spray water, so that the uniformity of water spraying is greatly improved in the using process, the water outlet amount of the automatic sprinkler can be controlled by the valve, the U-shaped support frame fixedly connected with the outside can generate a collision phenomenon in the water spraying process, the water outlet pipe in the automatic sprinkler can be protected by the U-shaped support frame, the water outlet pipe is prevented from being damaged when the automatic sprinkler is used for a long time and collided, the convenience in use is greatly improved, and the automatic sprinkler is simple to operate, high in practicability and convenient to use;
(2) this automatic watering lorry of clean workshop, through the bottom all fixed gyro wheel that turns to that is equipped with all around, can carry out 360 degrees position rotations by the gyro wheel that turns to of bottom, can turn to in a flexible way when promoting, very convenient during the use, the external fixation of the in-process water tank that promotes has installed stainless steel anticollision frame additional can prevent to collide the phenomenon of damaging at the in-process that the watering promotes, can protect the water tank of inside along with the time of using constantly increases, great promotion the life-span that the water tank used, the material of its water tank preparation has increased the material that uses and has prevented acid-base corrosion, can be acid and alkali-resistant when using, very convenient during the use, great improvement the flexibility when using.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural view of the bottom of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is an enlarged structural diagram A of FIG. 2 according to the present invention.
In the figure, a hand-push handle-1, an anti-collision frame-2, a hand-push handle-3, a water tank-4, a water outlet pipe-5, a water stop valve-6, a U-shaped support frame-7, a rotating shaft-8, a steering roller-9, a fixing screw-10, a water outlet-11, a water feeding device-12, a transverse support rod-13, a connecting nut-14 and a bottom plate-15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: an automatic sprinkler for a clean workshop comprises a water tank 4, a water delivery device 12 and a water push handle, wherein the water delivery device 12 is fixedly arranged on the outer side of the water tank 4, the water delivery device 12 is respectively composed of a water stop valve 6, a water outlet pipe 5, a connecting nut 14 and a water outlet hole 11, the upper end of the water delivery device 12 is fixedly connected with a water stop valve 6, one side of the water delivery device 12 is fixedly provided with a connecting nut 14, the connecting nut 14 is fixedly connected with the outer side of the water tank 4, the top end of the water supply device 12 is fixedly connected with the water outlet pipe 5, the bottom of the water outlet pipe 5 is provided with water outlet holes 11, the water outlet holes 11 are distributed evenly, after the valve of the trolley is opened, the water feeding device 12 can feed water, and then 7 water outlet holes 11 at the bottom of the water outlet pipe 5 can uniformly distribute the water for sprinkling, the water spraying uniformity is greatly improved in the using process, and the use is very convenient.
The portable handle of upper end fixed connection 3 of water tank 4, the outside of water tank 4 is equipped with anticollision frame 2 through the fixed crashproof frame 2 that is equipped with of welded mode, the thin hand push handle 1 of welded mode fixed connection is passed through to the upper end of 2 one sides of anticollision frame, opens water tank 4 through portable handle 3 and can conveniently adds water to the inside of water tank 4, and stainless steel anticollision barrier has all been installed additional to the outside of this water tank 4, prevents the phenomenon of collision damage to appear in the in-process that uses to its life-span has been increaseed when using.
The outside of anticollision frame 2 is through welded mode fixed connection U type support frame 7, U type support frame 7 is the symmetric distribution form, the horizontal bracing piece 13 of one side fixed connection of U type support frame 7 outside, horizontal bracing piece 13 is the symmetric distribution form, and the U type support frame 7 of adoption can touch the striking at the in-process that promotes the watering, and usable U type support frame 7 protects inside outlet pipe 5, and is very convenient during the use.
The fixed bottom plate 15 that is equipped with in bottom of anticollision frame 2, bottom plate 15 is the evenly distributed form, bottom plate 15 is inside is equipped with set screw 10 respectively all around, fixes it through the set screw 10 that bottom plate 15 distributes all around for can not go out the phenomenon that drops when using, great promotion fixed purpose.
The inside fixed connection rotation axis 8 of bottom plate 15, the outside fixed connection of rotation axis 8 turns to gyro wheel 9, it is the evenly distributed form to turn to gyro wheel 9, and the usable turning to gyro wheel 9 that distributes all around turns to in a flexible way when promoting, can carry out 360 degrees rotations, can the person of facilitating the use can conveniently promote it when using, and the application is stronger.
The working principle is as follows: when the automatic water spraying vehicle in the workshop is used, firstly, the water adding position is pushed by using the push handle 1 to add water into the water tank 4, then the handle 3 can be held by hand to add water into the water tank 4, after the water is fully added, the push handle 1 can be pushed to push the water tank to the position needing to be sprayed, then the connecting nut 14 is used for fixedly connecting the water feeding device 12 with the water tank 4, then the water stop valve 6 can be opened, the water in the water tank 4 can be transferred to the water outlet pipe 5 through the water feeding device 12, the water is sprayed by uniformly distributing 7 water outlet holes 11 uniformly distributed at the bottom of the water outlet pipe 5, the uniform degree of water spraying is greatly improved in the using process, the water outlet quantity can be controlled by a valve, then, the position rotation of 360 degrees can be carried out through the steering roller 9 at the bottom of the anti-collision frame 2, the automatic water spraying vehicle can flexibly steer in the pushing process, and is very convenient to use, the convenient degree during watering has been promoted to a very big degree, and the application is stronger.
The invention relates to a hand-push handle 1, an anti-collision frame 2, a hand-hold handle 3, a water tank 4, a water outlet pipe 5, a water stop valve 6, a U-shaped support frame 7, a rotating shaft 8, a steering roller 9, a fixing screw 10, a water outlet hole 11, a water delivery device 12, a transverse support rod 13, a connecting nut 14 and a bottom plate 15, which are all parts known by general standard parts or technical personnel in the field, and the structure and the principle of the parts are known by technical manuals or conventional experimental methods, and the invention solves the problems that most automatic water sprinklers in workshops on the market have simple water sprinkling functions, most water outlets are single and cannot sprinkle water uniformly in a large range when in use, the phenomenon of uneven sprinkling can occur, the phenomenon of collision can occur when in use for a long time, and the water tank 4 cannot be protected, meanwhile, as the use time is continuously increased, the phenomenon of acid-base corrosion can occur in the water tank 4, the interior of the water tank 4 is damaged, the service life of the water tank 4 is shortened, the application market is troublesome, and the use is inconvenient; through the bottom all around all fixed gyro wheel 9 that is equipped with, can carry out 360 degrees position rotations by the gyro wheel 9 that turns to of bottom, can turn to in a flexible way when promoting, very convenient during the use, the external fixation of the in-process water tank 4 that promotes has installed stainless steel anticollision frame 2 additional can prevent that the phenomenon of collision damage can appear in the in-process that the watering promotes.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Clean workshop automatic watering lorry, its characterized in that: including water tank (4), send water installation (12) and water to push away the handle, the fixed water installation (12) that send that is equipped with in the outside of water tank (4), send water installation (12) to constitute by stagnant water valve (6), outlet pipe (5), coupling nut (14) and apopore (11) respectively, send upper end fixed connection stagnant water valve (6) of water installation (12), send one side of water installation (12) to fix and be equipped with coupling nut (14), coupling nut (14) fixed connection is in the outside of water tank (4), send top fixed connection outlet pipe (5) of water installation (12), apopore (11) are seted up to the bottom of outlet pipe (5), apopore (11) are the average distribution form.
2. The clean shop automatic sprinkler according to claim 1, wherein: the portable handle (3) of upper end fixed connection of water tank (4), the outside of water tank (4) is through fixed anticollision frame (2) that is equipped with of welded mode, the upper end of anticollision frame (2) one side is through fixed connection hand push handle (1) of welded mode.
3. The clean shop automatic sprinkler according to claim 2, wherein: the outer side of the anti-collision frame (2) is fixedly connected with a U-shaped support frame (7) in a welded mode, the U-shaped support frame (7) is in a symmetrical distribution mode, one side of the outer portion of the U-shaped support frame (7) is fixedly connected with a transverse support rod (13), and the transverse support rod (13) is in a symmetrical distribution mode.
4. The clean shop automatic sprinkler according to claim 1, wherein: the bottom of anticollision frame (2) is fixed and is equipped with bottom plate (15), bottom plate (15) are the evenly distributed form, bottom plate (15) inside is equipped with set screw (10) all around respectively. The inner part of the bottom plate (15) is fixedly connected with a rotating shaft (8), the outer part of the rotating shaft (8) is fixedly connected with steering rollers (9), and the steering rollers (9) are in an evenly distributed form.
5. The clean shop automatic sprinkler according to claim 4, wherein: the inner part of the bottom plate (15) is fixedly connected with a rotating shaft (8), the outer part of the rotating shaft (8) is fixedly connected with steering rollers (9), and the steering rollers (9) are in an evenly distributed form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189532.6A CN112401766A (en) | 2020-10-30 | 2020-10-30 | Automatic watering lorry for clean workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189532.6A CN112401766A (en) | 2020-10-30 | 2020-10-30 | Automatic watering lorry for clean workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112401766A true CN112401766A (en) | 2021-02-26 |
Family
ID=74828234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011189532.6A Pending CN112401766A (en) | 2020-10-30 | 2020-10-30 | Automatic watering lorry for clean workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112401766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114569014A (en) * | 2022-03-11 | 2022-06-03 | 吴咏梅 | Indoor dust removal sprinkler of green building construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204676479U (en) * | 2015-04-29 | 2015-09-30 | 中国建筑第八工程局有限公司 | Hand push sprinkling truck |
| CN206376223U (en) * | 2016-11-10 | 2017-08-04 | 中建五局土木工程有限公司 | Sprinkling truck |
| CN107938578A (en) * | 2017-10-28 | 2018-04-20 | 谢跃连 | A kind of intelligence road construction device |
| CN111576314A (en) * | 2020-06-16 | 2020-08-25 | 广西建工集团第二安装建设有限公司 | Dust collecting equipment is used in road engineering construction |
| CN214231222U (en) * | 2020-10-30 | 2021-09-21 | 江苏润阳悦达光伏科技有限公司 | Automatic watering lorry for clean workshop |
-
2020
- 2020-10-30 CN CN202011189532.6A patent/CN112401766A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204676479U (en) * | 2015-04-29 | 2015-09-30 | 中国建筑第八工程局有限公司 | Hand push sprinkling truck |
| CN206376223U (en) * | 2016-11-10 | 2017-08-04 | 中建五局土木工程有限公司 | Sprinkling truck |
| CN107938578A (en) * | 2017-10-28 | 2018-04-20 | 谢跃连 | A kind of intelligence road construction device |
| CN111576314A (en) * | 2020-06-16 | 2020-08-25 | 广西建工集团第二安装建设有限公司 | Dust collecting equipment is used in road engineering construction |
| CN214231222U (en) * | 2020-10-30 | 2021-09-21 | 江苏润阳悦达光伏科技有限公司 | Automatic watering lorry for clean workshop |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114569014A (en) * | 2022-03-11 | 2022-06-03 | 吴咏梅 | Indoor dust removal sprinkler of green building construction |
| CN114569014B (en) * | 2022-03-11 | 2023-08-18 | 河北建工集团有限责任公司 | Indoor dust removal sprinkler of green construction |
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