CN110118184B - Full-dry submersible electric pump with cooperative sealing system - Google Patents
Full-dry submersible electric pump with cooperative sealing system Download PDFInfo
- Publication number
- CN110118184B CN110118184B CN201910533473.0A CN201910533473A CN110118184B CN 110118184 B CN110118184 B CN 110118184B CN 201910533473 A CN201910533473 A CN 201910533473A CN 110118184 B CN110118184 B CN 110118184B
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- shell
- side wall
- fixedly connected
- gear
- supporting rod
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Classifications
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Abstract
The invention belongs to the field of submerged electric pumps, and particularly relates to a full-dry submerged electric pump with a cooperative sealing system, which aims at the problems that the conventional full-dry submerged electric pump is inconvenient to disassemble and overhaul and is inconvenient to dissipate heat of the electric pump main body. The electric pump main body is convenient to overhaul, and can uniformly dissipate heat.
Description
Technical Field
The invention relates to the technical field of submersible electric pumps, in particular to a full-dry submersible electric pump with a cooperative sealing system.
Background
The submersible electric pump is a water pump with a pump body impeller and a motor for driving the impeller submerged in water to work, and has two types of operation surfaces, namely a deep well and an operation surface. The submersible electric pump for the deep well supplies power to the motor through a cable extending into the well, a transmission long shaft is omitted, and therefore the submersible electric pump is compact in structure, light in weight and convenient to install, use and transfer, tends to replace a long shaft deep well pump in a power supply area, but is not suitable for a water well with large sand content and a power supply-free area, and motors for the submersible electric pump are of a dry type (the motors are all sealed), a semi-dry type (a stator of the motor is sealed, a rotor runs in water), an oil-filled type (the interior of the motor is filled with oil to prevent water from invading a winding) and a wet type (the interior of the motor is filled with water, and the stator and the. The former 3 kinds need sealing and have higher requirements on manufacturing and installation precision, so the agricultural deep well submersible electric pump usually adopts a wet motor, the stator winding of the motor adopts a waterproof insulated wire or synthetic resin is poured at the end part and in the groove of the stator winding, the influence of water entering the motor is not great, the sealing structure can be greatly simplified, and only sand prevention is required;
the electric pump main body of the existing full-dry type submersible electric pump is inconvenient to disassemble and overhaul and is inconvenient to radiate the heat of the electric pump main body, so that the full-dry type submersible electric pump with the cooperative sealing system is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a full-dry submersible electric pump with a cooperative sealing system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the full-dry type submersible electric pump with the cooperative sealing system comprises a shell, wherein the shell is of a hollow structure, and the upper end of the shell is provided with a mounting hole communicated with the outside, the upper end of the shell is provided with a waterproof cover matched with the mounting hole, the waterproof cover is connected with two ends of the shell through a connecting mechanism, the lower side wall of the waterproof cover is provided with a gas exchange mechanism, the shell is internally provided with an electric pump main body, and both sides of the electric pump main body are provided with vertically arranged fixed plates, the opposite ends of the two fixed plates are connected with the inner wall of the shell through two symmetrically arranged first springs, a telescopic adjusting mechanism is arranged between the two first springs, the two fixed plates are provided with mounting grooves with opposite openings, and all be equipped with first heat dissipation mechanism in two mounting grooves, be equipped with reciprocating motion adjustment mechanism on the diapire of casing, and reciprocating motion adjustment mechanism's upper end is equipped with second heat dissipation mechanism.
Preferably, coupling mechanism includes the inserted bar that the level set up, the inserted bar runs through the lateral wall setting of casing, the both sides of waterproof cover all are equipped with the jack that matches the setting with the inserted bar, the both sides of casing all are equipped with the first slip locking piece that matches the setting with the inserted bar.
Preferably, the gas exchange mechanism comprises an installation box, the installation box is fixedly connected with the lower side wall of the waterproof cover, a scavenging pump is fixedly connected to the bottom wall of the installation box, a first air pipe is fixedly connected to the output end of the scavenging pump, the first air pipe sequentially penetrates through the installation box and the side wall of the waterproof cover, a second air pipe is fixedly connected to the input end of the scavenging pump, the second air pipe penetrates through the side wall of the installation box and is communicated with the inside of the shell, and waterproof sealing treatment is performed on the first air pipe.
Preferably, the first heat dissipation mechanism includes a first refrigerator, the first refrigerator is fixedly connected to the side wall of the fixing plate, a first flow dividing plate is arranged in the mounting groove, the first flow dividing plate is of a hollow structure, an air outlet with an opening facing the electric pump main body is formed in the first flow dividing plate, a first dust screen is fixedly connected to the inner wall of the air outlet, and an output end of the first refrigerator penetrates through the side wall of the fixing plate and is communicated with the inside of the first flow dividing plate.
Preferably, flexible adjustment mechanism includes first branch and the second branch that the level set up, first branch is hollow structure, and second branch inserts and establish in first branch, fixedly connected with slide on the second branch, and the slide is connected with the diapire of first branch through a plurality of second springs, the first branch internal rotation is connected with the bull stick, the lateral wall setting of first branch and casing is run through in proper order to the one end of bull stick, and the first gear of the other end fixedly connected with of bull stick, the lateral wall of second branch is equipped with the first tooth's socket that sets up with first gear engagement, be equipped with the second slip locking piece that matches the setting with the bull stick on the lateral wall of first branch.
Preferably, reciprocating adjusting mechanism includes the slider that the level set up, be equipped with the bar opening on the slider, and the bar opening runs through the slider setting, fixedly connected with driving motor on the inner wall of casing, and driving motor's output fixedly connected with second gear, the second gear is located the bar opening, and bar open-ended upper and lower both sides inner wall all is equipped with the second tooth's socket that sets up with the meshing of second gear, the second gear is the semi-gear.
Preferably, the second heat dissipation mechanism includes a second shunting plate arranged horizontally, the second shunting plate is connected with the side wall of the slider through two connecting rods symmetrically arranged, the second shunting plate is of a hollow structure, the side wall of the upper side of the second shunting plate is provided with a plurality of shunting holes, a second dust screen horizontally arranged is fixedly connected in each shunting hole, a second refrigerator is fixedly connected to the side wall of the slider, and the output end of the second refrigerator penetrates through the side wall of the second shunting plate and is communicated with the inside of the second shunting plate.
The invention has the following beneficial effects:
1. the insertion rod is inserted into the insertion hole to ensure the stability of the connection state of the shell and the waterproof cover, the first sliding locking block can lock the insertion rod to ensure the stability of the working state of the insertion rod, and the scavenging pump is matched with the second air pipe through the first air pipe to exchange air in the shell;
2. the rotating rod is rotated to drive the first gear to rotate, so that the second supporting rod is driven to move, the fixing plates are pushed to move, the two fixing plates are matched, the electric pump main body is fixed, the rotating rod can be locked by the second sliding locking block, and the stability of the working state of the fixing plates is guaranteed;
3. the first refrigerator carries cold air to the first splitter plate after refrigerating, dispels the heat to the charge pump main part via the air outlet air-out of air outlet, and driving motor drives the second gear rotation, because the second gear is half gear, the second gear rotation can drive the slider reciprocating motion in the casing, and the second refrigerator refrigerates and carries cold air to the second splitter plate, and cold air dispels the heat via a plurality of diffluent holes, carries out the even heat dissipation of secondary to the charge pump main part.
Drawings
FIG. 1 is a schematic diagram of a fully dry submersible pump with a cooperative sealing system according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the structure at C in FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 1 at D;
fig. 6 is a schematic structural diagram at E in fig. 1.
In the figure: the device comprises a shell 1, a waterproof cover 2, an electric pump main body 3, a fixing plate 4, a mounting groove 5, an inserting rod 6, a mounting box 7, a scavenging pump 8, a first air pipe 9, a second air pipe 10, a first refrigerator 11, a first splitter plate 12, a first support rod 13, a second support rod 14, a sliding plate 15, a rotating rod 16, a first gear 17, a first sliding locking block 18, a sliding block 19, a strip-shaped opening 20, a driving motor 21, a second gear 22, a second splitter plate 23, a splitter hole 24, a first dustproof net 25, a second refrigerator 26, a second dustproof net 27, a second sliding locking block 28 and a connecting rod 29.
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. 1-6, a full dry submersible electric pump with a cooperative sealing system comprises a housing 1, the housing 1 is a hollow structure, the upper end of the housing 1 is provided with a mounting hole communicated with the outside, the upper end of the housing 1 is provided with a waterproof cover 2 matched with the mounting hole, the waterproof cover 2 is connected with two ends of the housing 1 through a connecting mechanism, the lower side wall of the waterproof cover 2 is provided with a gas exchange mechanism, the connecting mechanism comprises a horizontally arranged inserted rod 6, the inserted rod 6 penetrates through the side wall of the housing 1, two sides of the waterproof cover 2 are provided with insertion holes matched with the inserted rod 6, two sides of the housing 1 are provided with first sliding locking blocks 18 matched with the inserted rod 6, the gas exchange mechanism comprises an installation box 7, the installation box 7 is fixedly connected with the lower side wall of the waterproof cover 2, the bottom wall of the installation box 7 is fixedly connected with a ventilation pump 8, the output end of the ventilation pump 8 is fixedly connected with a first air pipe 9, the first air pipe 9 penetrates through the side walls of the installation box 7 and the waterproof cover 2 in sequence, the input end of the scavenging pump 8 is fixedly connected with a second air pipe 10, the second air pipe 10 penetrates through the side wall of the installation box 7 and is communicated with the inside of the shell 1, waterproof sealing treatment is carried out on the first air pipe 9, the inserted link 6 is inserted into the jack and can ensure the stability of the connection state of the shell 1 and the waterproof cover 2, the inserted link 6 can be locked by the first sliding locking block 18, the stability of the working state of the inserted link 6 is ensured, and the scavenging pump 8 is matched with the second air pipe 10 through the first air pipe 9 to exchange gas in the shell 1;
an electric pump main body 3 is arranged in a shell 1, two sides of the electric pump main body 3 are respectively provided with a fixing plate 4 which is vertically arranged, the back ends of the two fixing plates 4 are connected with the inner wall of the shell 1 through two first springs which are symmetrically arranged, a telescopic adjusting mechanism is arranged between the two first springs and comprises a first support rod 13 and a second support rod 14 which are horizontally arranged, the first support rod 13 is of a hollow structure, the second support rod 14 is inserted in the first support rod 13, a sliding plate 15 is fixedly connected onto the second support rod 14, the sliding plate 15 is connected with the bottom wall of the first support rod 13 through a plurality of second springs, a rotating rod 16 is rotatably connected into the first support rod 13, one end of the rotating rod 16 sequentially penetrates through the first support rod 13 and the side wall of the shell 1, the other end of the rotating rod 16 is fixedly connected with a first gear 17, the side wall of the second support rod 14 is provided with a first tooth groove which is meshed with the first, a second sliding locking block 28 matched with the rotating rod 16 is arranged on the side wall of the first supporting rod 13, the rotating rod 16 is rotated to drive the first gear 17 to rotate, so that the second supporting rod 14 is driven to move, the fixing plates 4 are pushed to move, the two fixing plates 4 are matched to fix the electric pump main body 3, and the second sliding locking block 28 can lock the rotating rod 16 to ensure the stability of the working state of the fixing plates 4;
two fixing plates 4 are respectively provided with a mounting groove 5 with opposite openings, and two mounting grooves 5 are respectively internally provided with a first heat dissipation mechanism, the first heat dissipation mechanism comprises a first refrigerator 11, the first refrigerator 11 is fixedly connected with the side wall of the fixing plate 4, the mounting groove 5 is internally provided with a first flow distribution plate 12, the first flow distribution plate 12 is of a hollow structure, the first flow distribution plate 12 is provided with an air outlet with an opening facing to the electric pump main body 3, the inner wall of the air outlet is fixedly connected with a first dust screen 25, the output end of the first refrigerator 11 penetrates through the side wall of the fixing plate 4 and is communicated with the inside of the first flow distribution plate 12, the first refrigerator 11 carries out refrigeration and then conveys cold air into the first flow distribution plate 12, the cold air carries out heat dissipation on the electric pump main body 3 through the air outlet, the bottom wall of the shell 1 is provided with a reciprocating adjustment mechanism, the upper end of the, the slider 19 is provided with a strip-shaped opening 20, the strip-shaped opening 20 is arranged to penetrate through the slider 19, the inner wall of the housing 1 is fixedly connected with a driving motor 21, the output end of the driving motor 21 is fixedly connected with a second gear 22, the second gear 22 is positioned in the strip-shaped opening 20, the inner walls of the upper side and the lower side of the strip-shaped opening 20 are respectively provided with a second tooth groove meshed with the second gear 22, the second gear 22 is a half gear, the second heat dissipation mechanism comprises a horizontally arranged second splitter plate 23, the second splitter plate 23 is connected with the side wall of the slider 19 through two symmetrically arranged connecting rods 29, the second splitter plate 23 is of a hollow structure, the upper side wall of the second splitter plate 23 is provided with a plurality of splitter holes 24, a horizontally arranged second dust screen 27 is fixedly connected in each splitter hole 24, a second refrigerator 26 is fixedly connected to the side wall of the slider 19, and the output end of the second refrigerator 26 penetrates through the side wall of the second splitter plate 23 and is communicated, the driving motor 21 drives the second gear 22 to rotate, because the second gear 22 is a half gear, the second gear 22 rotates to drive the slider 19 to reciprocate in the housing 1, the second refrigerator 26 performs refrigeration to convey cold air to the second splitter plate 23, the cold air is dissipated heat through the plurality of splitter holes 24, and secondary uniform heat dissipation is performed on the electric pump main body 3.
In the invention, the inserted link 6 is inserted into the jack to ensure the stable connection state of the shell 1 and the waterproof cover 2, the first sliding locking block 18 locks the inserted link 6 to ensure the stable working state of the inserted link 6, the scavenging pump 8 is matched with the second air pipe 10 through the first air pipe 9 to exchange air inside the shell 1, the rotating rod 16 is rotated to drive the first gear 17 to rotate, thereby driving the second support rod 14 to move, thereby pushing the fixing plates 4 to move, so that the two fixing plates 4 are matched to fix the electric pump main body 3, the second sliding locking block 28 locks the rotating rod 16 to ensure the stable working state of the fixing plates 4, after the first refrigerator 11 is refrigerated, cold air is conveyed into the first splitter plate 12, the heat dissipation is carried out on the electric pump main body 3 through the air outlet, the driving motor 21 drives the second gear 22 to rotate, because the second gear 22 is a half gear, the second gear 22 rotates to drive the sliding block 19 to reciprocate in the shell 1, the second refrigerator 26 performs refrigeration to deliver cold air to the second splitter plate 23, and the cold air is dissipated heat through the plurality of splitter holes 24 to perform secondary uniform heat dissipation on the electric pump main body 3.
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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The full-dry submersible electric pump with the cooperative sealing system comprises a shell (1) and is characterized in that the shell (1) is of a hollow structure, a mounting hole communicated with the outside is formed in the upper end of the shell (1), a waterproof cover (2) matched with the mounting hole is arranged at the upper end of the shell (1), the waterproof cover (2) is connected with two ends of the shell (1) through a connecting mechanism, a gas exchange mechanism is arranged on the side wall of the lower side of the waterproof cover (2), an electric pump main body (3) is arranged in the shell (1), fixing plates (4) are vertically arranged on two sides of the electric pump main body (3), one ends, opposite to each other, of the two fixing plates (4) are connected with the inner wall of the shell (1) through two first springs which are symmetrically arranged, a telescopic adjusting mechanism is arranged between the two first springs, mounting grooves (5) with opposite openings are formed in the two fixing plates (4), and the two mounting grooves (5) are internally provided with a first heat dissipation mechanism, the bottom wall of the shell (1) is provided with a reciprocating adjustment mechanism, the upper end of the reciprocating adjustment mechanism is provided with a second heat dissipation mechanism, the connecting mechanism comprises an inserted rod (6) which is horizontally arranged, the inserted rod (6) penetrates through the side wall of the shell (1), the two sides of the waterproof cover (2) are provided with jacks which are matched with the inserted rod (6), the two sides of the shell (1) are provided with first sliding locking blocks (18) which are matched with the inserted rod (6), the gas exchange mechanism comprises a mounting box (7), the mounting box (7) is fixedly connected with the side wall of the lower side of the waterproof cover (2), the bottom wall of the mounting box (7) is fixedly connected with a scavenging pump (8), the output end of the scavenging pump (8) is fixedly connected with a first gas pipe (9), and the first gas pipe (9) sequentially penetrates through the mounting box (7) and the side wall of the waterproof cover (2), the input end of the scavenging pump (8) is fixedly connected with a second air pipe (10), the second air pipe (10) penetrates through the side wall of the installation box (7) and is communicated with the inside of the shell (1), the first air pipe (9) is subjected to waterproof sealing treatment, the first heat dissipation mechanism comprises a first refrigerator (11), the first refrigerator (11) is fixedly connected with the side wall of the fixed plate (4), a first flow distribution plate (12) is arranged in the installation groove (5), the first flow distribution plate (12) is of a hollow structure, an air outlet with an opening facing the electric pump main body (3) is arranged on the first flow distribution plate (12), a first dust screen (25) is fixedly connected to the inner wall of the air outlet, the output end of the first refrigerator (11) penetrates through the side wall of the fixed plate (4) and is communicated with the inside of the first flow distribution plate (12), the telescopic adjusting mechanism comprises a first supporting rod (13) and a second supporting rod (14) which are horizontally arranged, the reciprocating adjusting mechanism comprises a horizontally arranged sliding block (19), wherein the first supporting rod (13) is of a hollow structure, the second supporting rod (14) is inserted into the first supporting rod (13), a sliding plate (15) is fixedly connected onto the second supporting rod (14), the sliding plate (15) is connected with the bottom wall of the first supporting rod (13) through a plurality of second springs, a rotating rod (16) is connected into the first supporting rod (13) in a rotating mode, one end of the rotating rod (16) penetrates through the side walls of the first supporting rod (13) and the shell (1) in sequence, a first gear (17) is fixedly connected onto the other end of the rotating rod (16), a first tooth groove which is meshed with the first gear (17) is formed in the side wall of the second supporting rod (14), a second sliding locking block (28) which is matched with the rotating rod (16) is arranged on the side wall of the first supporting rod (13), the reciprocating adjusting mechanism comprises a horizontally arranged sliding block (19), and a strip-shaped opening (20) is, the strip-shaped opening (20) penetrates through the sliding block (19) to be arranged, the inner wall of the shell (1) is fixedly connected with a driving motor (21), the output end of the driving motor (21) is fixedly connected with a second gear (22), the second gear (22) is positioned in the strip-shaped opening (20), the inner walls of the upper side and the lower side of the strip-shaped opening (20) are respectively provided with a second tooth groove which is meshed with the second gear (22), the second gear (22) is a half gear, the second heat dissipation mechanism comprises a horizontally arranged second splitter plate (23), the second splitter plate (23) is connected with the side wall of the sliding block (19) through two symmetrically arranged connecting rods (29), the second splitter plate (23) is of a hollow structure, the side wall of the upper side of the second splitter plate (23) is provided with a plurality of splitter holes (24), and a horizontally arranged second dustproof net (27) is fixedly connected in each splitter hole (24), the side wall of the sliding block (19) is fixedly connected with a second refrigerator (26), and the output end of the second refrigerator (26) penetrates through the side wall of the second splitter plate (23) and is communicated with the inside of the second splitter plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533473.0A CN110118184B (en) | 2019-06-19 | 2019-06-19 | Full-dry submersible electric pump with cooperative sealing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533473.0A CN110118184B (en) | 2019-06-19 | 2019-06-19 | Full-dry submersible electric pump with cooperative sealing system |
Publications (2)
| Publication Number | Publication Date |
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| CN110118184A CN110118184A (en) | 2019-08-13 |
| CN110118184B true CN110118184B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910533473.0A Active CN110118184B (en) | 2019-06-19 | 2019-06-19 | Full-dry submersible electric pump with cooperative sealing system |
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| CN (1) | CN110118184B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637341A (en) * | 2020-05-26 | 2020-09-08 | 南京林业大学 | Intelligent function control device suitable for old people and home |
| CN111924340A (en) * | 2020-09-09 | 2020-11-13 | 江永雄 | Efficient miniature electronic sterilizing fresh-keeping deodorizing device |
| CN112339220A (en) * | 2020-09-24 | 2021-02-09 | 重庆优创电子科技有限公司 | Cooling protection device for mold temperature controller |
| WO2022086980A1 (en) | 2020-10-19 | 2022-04-28 | Milwaukee Electric Tool Corporation | Stick pump assembly |
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| CN1012202B (en) * | 1988-02-06 | 1991-03-27 | 陆逢升 | Full dry submerged pump with synergistic selaing system |
| CN1045845A (en) * | 1989-03-23 | 1990-10-03 | 易福堂 | Full-drying type Submerged Motor Pumps with segmentation waterproofing system |
| CN101410626A (en) * | 2006-03-24 | 2009-04-15 | 西门子公司 | Compressor unit and use of a cooling medium |
| CN204357722U (en) * | 2014-11-28 | 2015-05-27 | 晋州市水泵厂 | A kind of high pressure tightness explosion-proof type submersible pump |
| CN205605448U (en) * | 2016-03-23 | 2016-09-28 | 天津瑞华鑫科技发展有限公司 | Novel energy -efficient immersible pump |
| CN208025434U (en) * | 2018-03-21 | 2018-10-30 | 新昌县思创设计咨询有限公司 | A kind of LED reflectors based on mathematical model optimizing |
| CN108379727A (en) * | 2018-04-14 | 2018-08-10 | 孝感鑫财智能科技有限公司 | A kind of handheld-type intelligent beauty instrument |
| CN108956035A (en) * | 2018-07-17 | 2018-12-07 | 赵笑妍 | A kind of device for suppressing leak test for shell |
| CN208816351U (en) * | 2018-08-07 | 2019-05-03 | 江苏亚龙水力设备有限公司 | Novel submersible mixed-flow pump |
| CN208656585U (en) * | 2018-08-21 | 2019-03-26 | 连云港锐宝电机有限公司 | A kind of dust protected micro-machine of good heat dissipation effect |
| CN109494933A (en) * | 2018-11-10 | 2019-03-19 | 彭青珍 | A kind of generator that radiating efficiency is high |
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Effective date of registration: 20201116 Address after: 221600 Jiangsu city of Xuzhou province Peixian Industrial Park Yangtun Applicant after: Xuzhou Jingyi Pump Co., Ltd Address before: 221600 Jiangsu city of Xuzhou province Peixian Industrial Park Yangtun Applicant before: Xuzhou Yatai Motor Co.,Ltd. |
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