CN216664320U - Pressure-resistant water supply and drainage device for building engineering - Google Patents
Pressure-resistant water supply and drainage device for building engineering Download PDFInfo
- Publication number
- CN216664320U CN216664320U CN202122802113.1U CN202122802113U CN216664320U CN 216664320 U CN216664320 U CN 216664320U CN 202122802113 U CN202122802113 U CN 202122802113U CN 216664320 U CN216664320 U CN 216664320U
- Authority
- CN
- China
- Prior art keywords
- installation
- plate
- building engineering
- drainage device
- water supply
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000009434 installation Methods 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 claims description 12
- 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
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of building engineering, in particular to a pressure-resistant water supply and drainage device for building engineering, which comprises a mounting shell, wherein a fixed mounting plate is fixedly mounted in the mounting shell, a double-shaft motor is fixedly mounted in the middle of the bottom end in the mounting shell, the left output end and the right output end of the double-shaft motor are fixedly connected with a driving shaft, a first conical gear is fixedly sleeved at the other end of the driving shaft, a second conical gear is meshed at the upper end of the first conical gear, the two second conical gears are respectively and fixedly sleeved on two screw rods, the upper ends of the two screw rods penetrate through the fixed mounting plate, extend to the upper part of the fixed mounting plate and are respectively and rotatably mounted at the lower ends of the two fixed plates.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a pressure-resistant water supply and drainage device for constructional engineering.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities. The existing water supply and drainage device for the building engineering is inconvenient to move, and when the device is not used, a water supply and drainage end is exposed outside, so that the service life of the device is low, and further, the pressure-resistant water supply and drainage device for the building engineering is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pressure-resistant water supply and drainage device for building engineering, which solves the problems in the background technology.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a pressure-resistant water supply and drainage device for building engineering comprises an installation shell, wherein a fixed mounting plate is fixedly mounted in the installation shell, a double-shaft motor is fixedly mounted in the middle position of the bottom end in the installation shell, a driving shaft is fixedly connected to both the left output end and the right output end of the double-shaft motor, a first bevel gear is fixedly sleeved at the other end of the driving shaft, a second bevel gear is meshed at the upper end of the first bevel gear, the two second bevel gears are respectively and fixedly sleeved on two lead screws, the upper ends of the two lead screws penetrate through the fixed mounting plate and extend to the upper part of the fixed mounting plate and are respectively and rotatably mounted at the lower ends of two fixed plates, the two fixed plates are symmetrically and fixedly mounted on the left end face and the right end face in the installation shell, rectangular mounting blocks are mounted on the two lead screws in a threaded manner, ejector rods are fixedly mounted at the ends, which are close to each other, of the rectangular mounting blocks are respectively, the upper ends of the two ejector rods are fixedly arranged on the lower end face of the supporting plate, the booster pump is fixedly arranged in the middle of the upper end of the supporting plate, the water pump is fixedly arranged at the upper end of the fixed mounting plate, the water inlet end of the water pump is fixedly communicated with a water inlet pipe, the other end of the water inlet pipe penetrates through the mounting shell and extends to the left side of the mounting shell, the water inlet pipe is positioned at the front side of the screw rod, the rectangular mounting block and the ejector rods, the water outlet end of the water pump is fixedly communicated with a connecting hose, the other end of the connecting hose penetrates through the supporting plate and is fixedly communicated with the water inlet end of the booster pump, the water outlet end of the booster pump is fixedly communicated with a water outlet pipe, the upper end of the water outlet pipe is fixedly connected with the inner wall of the water outlet pipe, the water outlet pipe is fixedly communicated with the water outlet pipe, the upper end of the supporting plate is fixedly provided with two supporting rods, and the two supporting rods are symmetrically arranged at the left side and the right side of the booster pump, two equal fixed mounting in bracing piece upper end is on the terminal surface under the installation roof, installation roof and installation shell inner wall slip laminating, outlet conduit runs through in the installation roof to with installation roof fixed connection, installation shell lower extreme fixed mounting has the base, the embedded fixed mounting of base bottom front end has the battery, the articulated protection apron of installing of installation shell left end.
Preferably, two the rectangle installation piece is kept away from one end each other and is all slided with installation shell inner wall and laminate.
Preferably, the fixed plate and the fixed mounting plate are rotatably connected with the screw rod through bearings.
Preferably, a sealing rubber ring is arranged at the joint of the drain pipe and the water outlet pipeline.
Preferably, the connecting hose top is through first fixed clamp and backup pad lower extreme fixed connection, the connecting hose bottom is through the fixed clamp of second and fixed mounting board upper end fixed connection.
Preferably, four universal wheels are fixedly mounted at the lower end of the base, four of the universal wheels are distributed at the lower end of the base in a rectangular array mode, and the four universal wheels are all braking universal wheels.
Preferably, the front end of the installation shell is provided with a rectangular maintenance opening, the rectangular maintenance opening is hinged with a sealing door plate, and the sealing door plate is far away from the hinged end and is detachably and fixedly connected with the installation shell through a padlock.
Preferably, the double-shaft motor, the water pump and the booster pump are all electrically connected with the storage battery.
The utility model has the beneficial effects that: the automatic water supply and drainage function can be realized by arranging the booster pump, the connecting hose, the water pump, the water inlet pipe, the water outlet head and the like; the double-shaft motor, the first conical gear, the second conical gear, the screw rod, the rectangular mounting block, the fixing plate, the supporting plate, the mounting top plate and the like are arranged, so that the used water outlet pipeline and the used water outlet head can be conveniently sealed and protected against dust, and the service life of the water outlet pipeline and the water outlet head is further prolonged; the rectangular maintenance port, the sealing door plate and the padlock are arranged, so that the interior of the installation shell can be maintained conveniently; the universal wheels are arranged and can be braked, so that the movable trolley is convenient to move and is convenient to stably place after moving. The utility model has the advantages of high automation degree, good protection effect, convenient storage, convenient maintenance, convenient movement and high practicability.
Drawings
Fig. 1 is a front view of a pressure-resistant water supply and drainage device for construction engineering according to the present invention.
Fig. 2 is a sectional view of a front view of a pressure-resistant water supply and drainage device for construction engineering according to the present invention.
Fig. 3 is a rear view of a pressure-resistant water supply and drainage device for construction engineering according to the present invention.
Fig. 4 is a partial sectional view of a top view of a base in a pressure-resistant water supply and drainage device for construction engineering.
Reference numbers in the figures: the device comprises a mounting top plate 1, a mounting shell 2, a booster pump 3, a supporting plate 4, a first fixing clamp 5, a second fixing clamp 6, a storage battery 7, a connecting hose 8, a driving shaft 9, a double-shaft motor 10, a water pump 11, a base 12, a first conical gear 13, a universal wheel 14, a second conical gear 15, a water inlet pipe 16, a screw rod 17, a rectangular mounting block 18, a fixing plate 19, a push rod 20, a supporting rod 21, a water outlet pipe 22, a water outlet pipe 23, a water outlet head 24, a sealing door plate 25, a protective cover plate 26, a padlock 27 and a fixing mounting plate 28.
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.
Referring to fig. 1-4, a pressure-resistant water supply and drainage device for building engineering comprises a mounting housing 2, a fixed mounting plate 28 is fixedly mounted inside the mounting housing 2, a double-shaft motor 10 is fixedly mounted at the middle position of the bottom end inside the mounting housing 2, a driving shaft 9 is fixedly connected to both the left and right output ends of the double-shaft motor 10, a first bevel gear 13 is fixedly sleeved at the other end of the driving shaft 9, a second bevel gear 15 is meshed at the upper end of the first bevel gear 13, the two second bevel gears 15 are respectively and fixedly sleeved on two lead screws 17, the upper ends of the two lead screws 17 penetrate through the fixed mounting plate 28 and extend to the upper side of the fixed mounting plate 28 and are respectively and rotatably mounted at the lower ends of two fixing plates 19, the two fixing plates 19 are symmetrically and fixedly mounted on the left and right end surfaces inside the mounting housing 2, rectangular mounting blocks 18 are mounted on the two lead screws 17 by screw threads, and ejector rods 20 are fixedly mounted at the ends of the two rectangular mounting blocks 18 close to each other, the upper ends of the two ejector rods 20 are fixedly arranged on the lower end surface of the supporting plate 4, the middle position of the upper end of the supporting plate 4 is fixedly provided with a booster pump 3, the upper end of the fixed mounting plate 28 is fixedly provided with a water pump 11, the water inlet end of the water pump 11 is fixedly communicated with a water inlet pipe 16, the other end of the water inlet pipe 16 penetrates through the mounting shell 2 and extends to the left side of the mounting shell 2, the water inlet pipe 16 is positioned at the front side of the screw rod 17, the rectangular mounting block 18 and the ejector rod 20, the water outlet end of the water pump 11 is fixedly communicated with a connecting hose 8, the other end of the connecting hose 8 penetrates through the supporting plate 4 and is fixedly communicated with the water inlet end of the booster pump 3, the water outlet end of the booster pump 3 is fixedly communicated with a drain pipe 22, the upper end of the drain pipe 22 is fixedly connected with the inner wall of a water outlet pipeline 23, the drain pipe 22 is fixedly communicated with the water outlet pipeline 23, the upper end of the supporting plate 4 is fixedly provided with two supporting rods 21, and the two supporting rods 21 are symmetrically arranged at the left and right sides of the booster pump 3, the upper ends of the two support rods 21 are fixedly mounted on the lower end face of the mounting top plate 1, the mounting top plate 1 is in sliding fit with the inner wall of the mounting shell 2, the water outlet pipeline 23 penetrates through the mounting top plate 1 and is fixedly connected with the mounting top plate 1, the lower end of the mounting shell 2 is fixedly provided with the base 12, the front end of the bottom of the base 12 is fixedly provided with the storage battery 7 in an embedded mode, and the left end of the mounting shell 2 is hinged to the protection cover plate 26.
In this embodiment, two rectangle installation pieces 18 keep away from one end each other and all slide with installation shell 2 inner wall and laminate, through above-mentioned design, can prevent that rectangle installation piece 18 from taking place to rotate when reciprocating, and then influence the regulation effect.
The fixing plate 19 and the fixing mounting plate 28 are rotatably connected to the lead screw 17 through bearings, and the stability of mounting the lead screw 17 can be improved by the above design.
The joint of the drain pipe 22 and the water outlet pipe 23 is provided with a sealing rubber ring, and through the design, the sealing performance of the connection of the drain pipe 22 and the water outlet pipe 23 can be improved.
8 tops of coupling hose are through first fixed clamp 5 and 4 lower extreme fixed connection of backup pad, and 8 bottoms of coupling hose are through the fixed clamp 6 of second and fixed mounting plate 28 upper end fixed connection, through above-mentioned design, can be convenient for stabilize fixedly to 8 both ends of coupling hose, and then improve the stability to 8 installations of coupling hose.
Four universal wheels 14 are fixedly mounted at the lower end of the base 12, the four universal wheels 14 are distributed at the lower end of the base 12 in a rectangular array, and the four universal wheels 14 are all braking universal wheels.
The rectangle maintenance mouth has been seted up to installation shell 2 front end, and the articulated sealing door panel 25 of installing of rectangle maintenance mouth department, sealing door panel 25 keep away from the hinged end and pass through padlock 27 and the detachable fixed connection of installation shell 2, through above-mentioned design, can be convenient for maintain installation shell 2 inside.
The double-shaft motor 10, the water pump 11 and the booster pump 3 are electrically connected with the storage battery 7.
The working principle is as follows: by starting the water pump 11, the water pump 11 can guide water into the booster pump 3 through the water inlet pipe 16 and the connecting hose 8 in sequence, and the booster pump 3 is started, the booster pump 3 can boost the water, the boosted water enters the water outlet pipe 23 through the water outlet pipe 22, the water in the water outlet pipe 23 is guided out through the water outlet head 24, after the use is completed, the double-shaft motor 10 can be started, the double-shaft motor 10 works to drive the driving shaft 9 to rotate, the rotating driving shaft 9 can drive the first bevel gear 13 to rotate, the rotating first bevel gear 13 drives the second bevel gear 15 to rotate, and further drives the screw rod 17 to rotate, the rotating screw rod 17 drives the rectangular mounting block 18 to move downwards, and further drives the ejector rod 20 to move downwards, and further drives the support plate 4 to move downwards, the downwards moved support plate 4 drives the water outlet pipe 23 to move downwards through the support rod 21, and the water outlet pipe 23 enters the mounting shell 2, and then can take in the outlet pipe 23 and protect, rotate the protective cover plate 26 finally, make the protective cover plate 26 seal the upper end of installing the roof 1, the staff's accessible opens the padlock 27, then opens the sealed door plant 25, through the rectangle maintenance mouth, carries out maintenance treatment to installing the inside of shell 2. The automatic water supply and drainage function can be realized by arranging the booster pump 3, the connecting hose 8, the water pump 11, the water inlet pipe 16, the water outlet head 24 and the like; by arranging the double-shaft motor 10, the first conical gear 13, the second conical gear 15, the screw rod 17, the rectangular mounting block 18, the fixing plate 19, the supporting plate 4, the mounting top plate 1 and the like, the used water outlet pipeline 23 and the used water outlet head 24 can be conveniently sealed and protected against dust, and the service life of the utility model is further prolonged; the rectangular maintenance opening, the sealing door plate 25 and the padlock 27 are arranged, so that the maintenance of the interior of the installation shell 2 can be facilitated; by arranging the universal wheels 14, and the universal wheels 14 are brakable universal wheels, the utility model can be moved conveniently, and the moved invention can be placed stably. The utility model has the advantages of high automation degree, good protection effect, convenient storage, convenient maintenance, convenient movement and high practicability.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The pressure-resistant water supply and drainage device for the building engineering comprises an installation shell (2) and is characterized in that a fixed installation plate (28) is fixedly installed inside the installation shell (2), a double-shaft motor (10) is fixedly installed in the middle of the bottom end inside the installation shell (2), a driving shaft (9) is fixedly connected with the left output end and the right output end of the double-shaft motor (10), a first bevel gear (13) is fixedly sleeved at the other end of the driving shaft (9), a second bevel gear (15) is meshed at the upper end of the first bevel gear (13), the two second bevel gears (15) are respectively fixedly sleeved on two screw rods (17), the upper ends of the two screw rods (17) penetrate through the fixed installation plate (28) and extend to the upper part of the fixed installation plate (28) and are respectively rotatably installed at the lower ends of two fixed plates (19), the two fixed plates (19) are symmetrically and fixedly installed on the left end face and the right end face inside the installation shell (2), two screw thread installation has rectangle installation piece (18), two on lead screw (17) rectangle installation piece (18) is close to the equal fixed mounting of one end each other and has ejector pin (20), two equal fixed mounting in ejector pin (20) upper end is on backup pad (4) lower end face, backup pad (4) upper end middle part fixed mounting has booster pump (3), fixed mounting board (28) upper end fixed mounting has water pump (11), water pump (11) water inlet end fixed intercommunication has inlet tube (16), the inlet tube (16) other end runs through in installation shell (2) to extend to installation shell (2) left side, inlet tube (16) are located lead screw (17), rectangle installation piece (18) and ejector pin (20) front side, the fixed intercommunication of water pump (11) water outlet end has coupling hose (8), coupling hose (8) other end runs through in backup pad (4), and is fixedly communicated with the water inlet end of the booster pump (3), the water outlet end of the booster pump (3) is fixedly communicated with a drain pipe (22), the upper end of the drain pipe (22) is fixedly connected with the inner wall of a water outlet pipeline (23), the drain pipe (22) is fixedly communicated with the water outlet pipeline (23), two support rods (21) are fixedly installed at the upper end of the support plate (4) and are symmetrically arranged at the left side and the right side of the booster pump (3), the upper ends of the support rods (21) are fixedly installed on the lower end surface of an installation top plate (1), the installation top plate (1) is in sliding fit with the inner wall of an installation shell (2), the water outlet pipeline (23) penetrates through the installation top plate (1) and is fixedly connected with the installation top plate (1), a base (12) is fixedly installed at the lower end of the installation shell (2), and a storage battery (7) is fixedly installed at the front end of the bottom of the base (12), and the left end of the mounting shell (2) is hinged with a protective cover plate (26).
2. The pressure-resistant water supply and drainage device for building engineering of claim 1, characterized in that one ends of the two rectangular mounting blocks (18) far away from each other are in sliding fit with the inner wall of the mounting shell (2).
3. The pressure-resistant water supply and drainage device for building engineering of claim 1, characterized in that the fixing plate (19) and the fixing mounting plate (28) are rotatably connected with the screw rod (17) through bearings.
4. The pressure-resistant water supply and drainage device for building engineering according to claim 1, characterized in that a sealing rubber ring is arranged at the joint of the drainage pipe (22) and the water outlet pipeline (23).
5. The pressure-resistant water supply and drainage device for building engineering as claimed in claim 1, characterized in that the top of the connecting hose (8) is fixedly connected with the lower end of the support plate (4) through a first fixing clamp (5), and the bottom of the connecting hose (8) is fixedly connected with the upper end of the fixing mounting plate (28) through a second fixing clamp (6).
6. The pressure-resistant water supply and drainage device for building engineering according to claim 1, wherein four universal wheels (14) are fixedly mounted at the lower end of the base (12), the four universal wheels (14) are distributed at the lower end of the base (12) in a rectangular array, and the four universal wheels (14) are all braking universal wheels.
7. The pressure-resistant water supply and drainage device for building engineering according to claim 1, wherein a rectangular maintenance opening is formed in the front end of the installation shell (2), a sealing door plate (25) is hinged to the rectangular maintenance opening, and the sealing door plate (25) is detachably and fixedly connected with the installation shell (2) far away from the hinged end through a padlock (27).
8. The pressure-resistant water supply and drainage device for building engineering as claimed in claim 1, wherein the double-shaft motor (10), the water pump (11) and the booster pump (3) are all electrically connected with the storage battery (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122802113.1U CN216664320U (en) | 2021-11-16 | 2021-11-16 | Pressure-resistant water supply and drainage device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122802113.1U CN216664320U (en) | 2021-11-16 | 2021-11-16 | Pressure-resistant water supply and drainage device for building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216664320U true CN216664320U (en) | 2022-06-03 |
Family
ID=81785344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122802113.1U Expired - Fee Related CN216664320U (en) | 2021-11-16 | 2021-11-16 | Pressure-resistant water supply and drainage device for building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216664320U (en) |
-
2021
- 2021-11-16 CN CN202122802113.1U patent/CN216664320U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216664320U (en) | Pressure-resistant water supply and drainage device for building engineering | |
| CN212849248U (en) | Maintenance device for wind power slip ring | |
| CN213121076U (en) | Metal hose pressure testing device | |
| CN216584974U (en) | Novel portable umbilical cord stem cell extraction device | |
| CN212942070U (en) | Water greening spraying device for construction site | |
| CN215492648U (en) | Water quality sampling device for garden ecological management | |
| CN218961648U (en) | Fire control is with multi-functional sprinkler with adjustable | |
| CN111483495B (en) | City rail semaphore fixing device | |
| CN213483042U (en) | Anti-theft device for heat meter | |
| CN213475422U (en) | Medical oxygen generator | |
| CN209134340U (en) | A kind of solar energy photovoltaic panel | |
| CN211228779U (en) | Automatic drainage device of worker's well from electrified source | |
| CN208106831U (en) | A kind of mine vertical pump shell body | |
| CN216199051U (en) | Emergency drainage pump with self-provided power supply | |
| CN219333629U (en) | Dust fall equipment of construction is built in room | |
| CN212929565U (en) | Cooling liquid filling device for wind turbine | |
| CN219327140U (en) | Fire hydrant capable of adjusting water pressure | |
| CN217811344U (en) | A irrigate and use pump station for high-lift | |
| CN216740579U (en) | High-rise wall waterproof paint spraying device for building engineering | |
| CN204959869U (en) | Anti -collision underground fire hydrant | |
| CN218151355U (en) | Control inductor and water pump | |
| CN212484743U (en) | Building model device with self-cleaning function | |
| CN209752457U (en) | dust device for building engineering | |
| CN217358865U (en) | A spare part detection device for fire engine production | |
| CN213819265U (en) | Remote control device of central pivot type sprinkling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |