CN103982424A - Pumping device with layered structural sealing strips and central shaft with electroplating coating - Google Patents
Pumping device with layered structural sealing strips and central shaft with electroplating coating Download PDFInfo
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- CN103982424A CN103982424A CN201410215562.8A CN201410215562A CN103982424A CN 103982424 A CN103982424 A CN 103982424A CN 201410215562 A CN201410215562 A CN 201410215562A CN 103982424 A CN103982424 A CN 103982424A
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- water
- central shaft
- outlet
- rotation
- solenoid valve
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- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 title claims abstract description 13
- 238000005086 pumping Methods 0.000 title abstract 5
- 238000009713 electroplating Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 239000012535 impurity Substances 0.000 claims description 20
- 238000009940 knitting Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000004070 electrodeposition Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002739 metals Chemical group 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Abstract
A pumping device with layered structural sealing strips and a central shaft with electroplating coating comprises a power device (7), a pumping device body (8), a water outlet pipe (9), a water inlet pipe (10) and a water filtering device (20); the power device (7) is used for providing power for the pumping device body (8); the pumping device body (8) can generate pressured water flows and discharge the pressured water flows through the water outlet pipe (9); the water inlet pipe (10) is used for drawing water from a water source.
Description
Technical field
The present invention relates to a kind of water plug, relate more particularly to a kind of water plug that can automatically remove floccule.
Background technique
Water plug be agricultural, greenery patches safeguard and industry in the widely used one equipment that draws water.Due to the running environment difference of water plug, water quality difference, therefore, in order to prevent that water plug from normally being moved by the impurity effect in water, often has filtration drawing water of water plug with the end of intake pipe.
But, due to the powerful suction that water plug forms in the time moving, easy of a large amount of impurity absorption in the environs of intake pipe end; And the impurity of some floccule just rests on the filter structure place of intake pipe end; In the course of time, these cotton-shaped impurity are more long-pending thicker, and can exert an influence to the water inlet performance of intake pipe, and affect the water-outlet quantity of water plug simultaneously, and then waste power, impact is used; More seriously, can cause the power mechanism of water plug to occur overload and cause equipment Risk.
The clear general dependence of the cotton-shaped impurity of feed-water end filtrating equipment of more existing water plugs is manually carried out.Often water quality is had to requirement because existing water plug draws water, and applied water plug also can shift out and clean termly from the water source that draws water under the more occasion of impurity, thereby this problem still can be born.But, in some cases, the maintenance of for example urban lawn, water plug need to draw current from some alternate sources, these alternate sources are for example the even undressed surface runoff water of rainwater, middle water reclaiming, and these water plug equipment do not have the condition of regularly carrying out manual maintenance, therefore, the removing for impurity under this situation just has active demand with the normal operation that ensures water plug.
Summary of the invention
The object of this invention is to provide a kind of water plug system that can automatically remove the cotton-shaped impurity screening in water plug suction side, it need to provide independent power source, and automatically according to specific needs cotton-shaped impurity is removed, or prevent adhering to of cotton-shaped impurity.
The technical solution used in the present invention is as follows:
A kind of have hierarchy Stamping Steel Ribbon and a water plug with electroplated coating central shaft, comprise power plant, water plug body, outlet pipe, intake pipe and feeding water filtering device, wherein, described power plant are used to water plug body that power is provided, described water plug body can produce pressurised stream and send by outlet pipe, and described intake pipe is for drawing current from water source.
Described water plug also comprises pressure return water pipe, the first end of described pressure return water pipe is communicated with outlet pipe fluid, described pressure return water pipe starts to extend around described power plant and water plug body and enters in described intake pipe from described first end, and continues to extend to the second end in described intake pipe.
Described feeding water filtering device comprises rotatable parts, fixed component and solenoid valve, wherein, fixed component comprises cylindrical drum portion and fixing frame portion, the upper end portion sealing of cylindrical drum portion, underpart opening, the inside portion of fixing frame portion is fixedly connected with the periphery of the upper end portion of cylindrical drum portion, and the lateral part of fixing frame portion is fixedly connected with the second end of intake pipe, and thus, fixed component is fixed to intake pipe.
Rotatable parts comprise central shaft, bottom lock disk, radially extend joint and part is stirred in rotation, the upper end of central shaft is tightly connected rotationally by the upper end portion of conical bearing and described cylindrical drum portion, and the upper end of central shaft is also provided with locking nut, described locking nut can press described conical bearing by the upwards tractive locking of described central shaft; The lower end of described central shaft is fixedly connected with the center of bottom lock disk, the excircle position of the upper surface of described bottom lock disk is sealed and contacts rotationally with the underpart of cylindrical drum portion by Stamping Steel Ribbon, thus, described bottom lock disk and described cylindrical drum portion can surround and form the chamber with sealing; The periphery of the outer circumference portion of described bottom lock disk is fixedly connected with the inner side of radially extending joint, the lower end that part is stirred with rotation in described outside of radially extending joint is fixedly connected with, the upper end that part is stirred in described rotation is connected by thrust-bearing with intake pipe, and the outside that described rotation is stirred the peripheral of part and radially extended joint can avoid the cotton-shaped impurity in water to adhere in rotation; Described rotation is stirred part, is radially extended and in joint and fixing frame portion, be provided with the passage that supplies water and flow through; Described Stamping Steel Ribbon is toroidal, and be divided into two-layerly up and down, and upper strata Stamping Steel Ribbon is for having flexible material, and lower floor's Stamping Steel Ribbon surface has smooth electrodeposition of metals, thus, between upper strata Stamping Steel Ribbon and the toroidal surface of lower floor's Stamping Steel Ribbon, form the slidingsurface with sealing and lubricity; The surface area that described central shaft contacts with stator blade is provided with lubricity electroplated coating, the medial extremity that described stator blade engages with described central shaft is provided with has flexible knitting layer, between described coating and knitting layer for can there is in relative rotation coordinating of sealing.
Described central shaft is fixedly installed two rotation blades relative on diameter along its axial direction, and the inside of described cylindrical drum portion is fixedly installed two stator blades relative on diameter on its longitudinal direction, central shaft is arranged between described two stator blades and is tightly connected rotationally with it, thus, the inner space of described cylindrical drum portion is divided into four sealing sectors by two stator blades and two rotation blades.
The second end of pressure return water pipe is communicated with the first entrance of solenoid valve, the second entrance of solenoid valve be arranged on being connected draining connecting tube in the lower end of intake pipe, the first outlet of solenoid valve is connected with the first export pipeline, the first export pipeline is divided into the first outlet branch road A and the first outlet branch road B, the first outlet branch road A and the first outlet branch road B respectively with in described four sealing sectors on diameter relative two sectors be communicated with; The second outlet of solenoid valve is connected with the second export pipeline, the second export pipeline is divided into the second outlet branch road A and the second outlet branch road B, the second outlet branch road A and the second outlet branch road B respectively with in described four sealing sectors on diameter relative two other sector be communicated with; Solenoid valve comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve can controllably periodically be changed under described two working staties; In the time that needs prevent that cotton-shaped impurity from adhering to, electromagnetic valve work, when in the first working state, the water of supercharging is fed to two sectors relative on diameter by pressure return water pipe, and two other sector relative on diameter was communicated with draining connecting tube, thereby two rotation blades are rotated with first direction; In the time that solenoid valve is transformed into the second working state, two sectors relative on diameter were communicated with draining connecting tube, the water of supercharging is fed to described two other sector relative on diameter by pressure return water pipe, thereby two rotation blades are rotated with second direction; Thus, central shaft can drive described rotation to stir part and radially extend periodically reciprocating rotation of joint, thereby prevents that cotton-shaped impurity is attached on feeding water filtering device.
By above-mentioned technological scheme, the hydraulic pressure producing when having utilized water plug operation, without Power Component is provided in addition, has saved equipment cost and maintenance cost.Meanwhile, owing to having used solenoid valve to carry out periodicity commutation, can effectively realize oscillatory type to-and-fro motion, effectively cotton-shaped impurity is prevented and removed, its control simultaneously flexibly, can directly be closed it under the situation without using, and can not affect the normal operation of Whole Equipment.Because draining connecting tube is arranged in intake pipe, can utilize the water plug suction in operation time, and the water of discharging can siphon away simultaneously simultaneously by water plug, thereby realize the circulation of current, the waste of minimizing ability.The connecting pipeline of four sectors is arranged on to the position near stator blade, can at utmost guarantees the activity space of rotation blade, can, for the motion of rotation blade provides a kind of physics spacing, guarantee equipment reliability of operation simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram of the general structure of water plug system of the present invention;
Fig. 2 is longitudinal schematic diagram of the general structure of the intake pipe terminal filter of water plug system of the present invention.
Fig. 3 is the end view of the intake pipe terminal filter of water plug system of the present invention, and it shows the power running principle of filtrating equipment.
Fig. 4 is the schematic diagram of the hierarchy of Stamping Steel Ribbon.
Fig. 5 is the schematic diagram that the electroplated coating of central shaft distributes.
Embodiment
Below in conjunction with accompanying drawing 1-5, the present invention is described in detail.
A kind of have hierarchy Stamping Steel Ribbon and a water plug with electroplated coating central shaft, comprise power plant 7, water plug body 8, outlet pipe 9, intake pipe 10 and feeding water filtering device 20, wherein, described power plant 7 are used to water plug body 8 that power is provided, described water plug body 8 can produce pressurised stream and send by outlet pipe 9, and described intake pipe 10 is for drawing current from water source.
Described water plug also comprises pressure return water pipe 4, the first end of described pressure return water pipe 4 is communicated with outlet pipe 9 fluids, described pressure return water pipe 4 starts to extend around described power plant 7 and water plug body 8 and enters in described intake pipe 10 from described first end, and continues to extend to the second end 40 described intake pipe 10 is interior.
Described feeding water filtering device 20 comprises rotatable parts 2, fixed component 1 and solenoid valve 6, wherein, fixed component 1 comprises cylindrical drum portion 102 and fixing frame portion 101, the upper end portion sealing of cylindrical drum portion 102, underpart opening, the inside portion of fixing frame portion 101 is fixedly connected with the periphery of the upper end portion of cylindrical drum portion 102, and the lateral part of fixing frame portion 101 is fixedly connected with the second end of intake pipe 10, and thus, fixed component 1 is fixed to intake pipe 10.
Rotatable parts 2 comprise central shaft 21, bottom lock disk 24, radially extend joint 25 and rotation stirs part 23, the upper end of central shaft 21 is tightly connected rotationally by conical bearing 121 and the upper end portion of described cylindrical drum portion 102, and the upper end of central shaft 21 is also provided with locking nut 122, described locking nut 122 can press described conical bearing 121 by the upwards tractive locking of described central shaft 21; The lower end of described central shaft 21 is fixedly connected with bottom lock disk 24 center, the excircle position of the upper surface of described bottom lock disk 24 is sealed and contacts rotationally with the underpart of cylindrical drum portion 102 by Stamping Steel Ribbon 120, thus, described bottom lock disk 24 can surround and form the chamber with sealing with described cylindrical drum portion 102; The periphery of the outer circumference portion of described bottom lock disk 24 is fixedly connected with the inner side of radially extending joint 25, the lower end that part 23 is stirred with rotation in described outside of radially extending joint 25 is fixedly connected with, the upper end that part 23 is stirred in described rotation is connected by thrust-bearing with intake pipe 10, and the outside that described rotation is stirred the peripheral of part 23 and radially extended joint 25 can avoid the cotton-shaped impurity in water to adhere in rotating; Described rotation is stirred part 23, is radially extended and in joint 25 and fixing frame portion 101, be provided with the passage that supplies water and flow through; Described Stamping Steel Ribbon 120 is toroidal, and be divided into two-layer up and down, and upper strata Stamping Steel Ribbon is for having flexible material, lower floor's Stamping Steel Ribbon surface has smooth electrodeposition of metals, thus, between upper strata Stamping Steel Ribbon and the toroidal surface of lower floor's Stamping Steel Ribbon, form the slidingsurface with sealing and lubricity; The surface area that described central shaft 21 contacts with stator blade 26 is provided with lubricity electroplated coating 221, the medial extremity that described stator blade engages with described central shaft 21 is provided with has flexible knitting layer 261, between described coating 221 and knitting layer 261 for can there is in relative rotation coordinating of sealing.
Described central shaft 21 is fixedly installed two rotation blades 22 relative on diameter along its axial direction, and the inside of described cylindrical drum portion 102 is fixedly installed two stator blades 26 relative on diameter on its longitudinal direction, central shaft 21 is arranged between described two stator blades 26 and is tightly connected rotationally with it, thus, the inner space of described cylindrical drum portion 102 is divided into four sealing sectors by two stator blades 26 and two rotation blades 22.
The second end 40 of pressure return water pipe 4 is communicated with the first entrance of solenoid valve 6, the second entrance of solenoid valve 6 be arranged on being connected draining connecting tube 5 in the lower end of intake pipe 10, the first outlet of solenoid valve 6 is connected with the first export pipeline 41, the first export pipeline 41 is divided into the first outlet branch road A43 and the first outlet branch road B42, the first outlet branch road A43 and the first outlet branch road B42 respectively with in described four sealing sectors on diameter relative two sectors be communicated with; The second outlet of solenoid valve 6 is connected with the second export pipeline 51, the second export pipeline 51 is divided into the second outlet branch road A53 and the second outlet branch road B52, the second outlet branch road A53 and the second outlet branch road B52 respectively with in described four sealing sectors on diameter relative two other sector be communicated with; Solenoid valve 6 comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve 6 can controllably periodically be changed under described two working staties; In the time that needs prevent that cotton-shaped impurity from adhering to, solenoid valve 6 is worked, when in the first working state, the water of supercharging is fed to two sectors relative on diameter by pressure return water pipe 4, and two other sector relative on diameter was communicated with draining connecting tube 5, thereby two rotation blades 22 are rotated with first direction; In the time that solenoid valve 6 is transformed into the second working state, two sectors relative on diameter were communicated with draining connecting tube 5, the water of supercharging is fed to described two other sector relative on diameter by pressure return water pipe 4, thereby two rotation blades 22 are rotated with second direction; Thus, central shaft 21 can drive described rotation to stir part 23 and radially extend periodically reciprocating rotation of joint 25, thereby prevents that cotton-shaped impurity is attached on feeding water filtering device 20.
Claims (1)
1. one kind has hierarchy Stamping Steel Ribbon and the water plug with electroplated coating central shaft, comprise power plant (7), water plug body (8), outlet pipe (9), intake pipe (10) and feeding water filtering device (20), wherein, described power plant (7) are used to water plug body (8) that power is provided, described water plug body (8) can produce pressurised stream and send by outlet pipe (9), described intake pipe (10), for drawing current from water source, is characterized in that
Described water plug also comprises pressure return water pipe (4), the first end of described pressure return water pipe (4) is communicated with outlet pipe (9) fluid, described pressure return water pipe (4) starts to extend around described power plant (7) and water plug body (8) and enters in described intake pipe (10) from described first end, and in described intake pipe (10), continues to extend to the second end (40);
Described feeding water filtering device (20) comprises rotatable parts (2), fixed component (1) and solenoid valve (6), wherein, fixed component (1) comprises cylindrical drum portion (102) and fixing frame portion (101), the upper end portion sealing of cylindrical drum portion (102), underpart opening, the inside portion of fixing frame portion (101) is fixedly connected with the periphery of the upper end portion of cylindrical drum portion (102), and the lateral part of fixing frame portion (101) is fixedly connected with the second end of intake pipe (10), thus, fixed component (1) is fixed to intake pipe (10);
Rotatable parts (2) comprise central shaft (21), bottom lock disk (24), radially extend joint (25) and rotation stirs part (23), the upper end of central shaft (21) is tightly connected rotationally by conical bearing (121) and the upper end portion of described cylindrical drum portion (102), and the upper end of central shaft (21) is also provided with locking nut (122), described locking nut (122) can press described conical bearing (121) by upwards tractive locking of described central shaft (21); The lower end of described central shaft (21) is fixedly connected with the center of bottom lock disk (24), the excircle position of the upper surface of described bottom lock disk (24) is sealed and contacts rotationally with the underpart of cylindrical drum portion (102) by Stamping Steel Ribbon (120), thus, described bottom lock disk (24) can surround and form the chamber with sealing with described cylindrical drum portion (102); The periphery of the outer circumference portion of described bottom lock disk (24) is fixedly connected with the inner side of radially extending joint (25), the lower end that part (23) is stirred with rotation in described outside of radially extending joint (25) is fixedly connected with, the upper end that part (23) is stirred in described rotation is connected by thrust-bearing with intake pipe (10), and the outside that described rotation is stirred the peripheral of part (23) and radially extended joint (25) can avoid the cotton-shaped impurity in water to adhere in rotation; Described rotation is stirred part (23), is radially extended and in joint (25) and fixing frame portion (101), be provided with the passage that supplies water and flow through; Described Stamping Steel Ribbon (120) is toroidal, and be divided into two-layer up and down, and upper strata Stamping Steel Ribbon is for having flexible material, lower floor's Stamping Steel Ribbon surface has smooth electrodeposition of metals, thus, between upper strata Stamping Steel Ribbon and the toroidal surface of lower floor's Stamping Steel Ribbon, form the slidingsurface with sealing and lubricity; The surface area that described central shaft (21) contacts with stator blade (26) is provided with lubricity electroplated coating (221), the medial extremity that described stator blade engages with described central shaft (21) is provided with has flexible knitting layer (261), between described coating (221) and knitting layer (261) for can there is in relative rotation coordinating of sealing;
Described central shaft (21) is fixedly installed two rotation blades (22) relative on diameter along its axial direction, and the inside of described cylindrical drum portion (102) is fixedly installed two stator blades (26) relative on diameter on its longitudinal direction, central shaft (21) is arranged between described two stator blades (26) and with it and is tightly connected rotationally, thus, the inner space of described cylindrical drum portion (102) is divided into four sealing sectors by two stator blades (26) and two rotation blades (22)
Second end (40) of pressure return water pipe (4) is communicated with the first entrance of solenoid valve (6), the second entrance of solenoid valve (6) be arranged on being connected draining connecting tube (5) in the lower end of intake pipe (10), the first outlet of solenoid valve (6) is connected with the first export pipeline (41), the first export pipeline (41) is divided into the first outlet branch road A(43) and the first outlet branch road B(42), the first outlet branch road A(43) and the first outlet branch road B(42) respectively with relative two sectors connections on diameter in described four sealing sectors; The second outlet of solenoid valve (6) is connected with the second export pipeline (51), the second export pipeline (51) is divided into the second outlet branch road A(53) and the second outlet branch road B(52), the second outlet branch road A(53) and the second outlet branch road B(52) respectively with relative two other sector connection on diameter in described four sealing sectors; Solenoid valve (6) comprises two working staties, and under the first working state, the first entrance is communicated with the first outlet, and the second entrance is communicated with the second outlet; Under the second working state, the first entrance is communicated with the second outlet, and the second entrance is communicated with the first outlet; Solenoid valve (6) can controllably periodically be changed under described two working staties; In the time that needs prevent that cotton-shaped impurity from adhering to, solenoid valve (6) work, when in the first working state, the water of supercharging is fed to two sectors relative on diameter by pressure return water pipe (4), and two other sector relative on diameter was communicated with draining connecting tube (5), thereby two rotation blades (22) are rotated with first direction; In the time that solenoid valve (6) is transformed into the second working state, two sectors relative on diameter were communicated with draining connecting tube (5), the water of supercharging is fed to described two other sector relative on diameter by pressure return water pipe (4), thereby two rotation blades (22) are rotated with second direction; Thus, central shaft (21) can drive described rotation to stir part (23) and radially extend periodically reciprocating rotation of joint (25), thereby prevents that cotton-shaped impurity is attached on feeding water filtering device (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215562.8A CN103982424B (en) | 2014-05-21 | 2014-05-21 | There is the water plug of hierarchy Stamping Steel Ribbon and band electroplated coating central shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215562.8A CN103982424B (en) | 2014-05-21 | 2014-05-21 | There is the water plug of hierarchy Stamping Steel Ribbon and band electroplated coating central shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982424A true CN103982424A (en) | 2014-08-13 |
| CN103982424B CN103982424B (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215562.8A Active CN103982424B (en) | 2014-05-21 | 2014-05-21 | There is the water plug of hierarchy Stamping Steel Ribbon and band electroplated coating central shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103982424B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221409A (en) * | 2015-11-06 | 2016-01-06 | 何丹 | A kind of water pump bailing pipe device for pumping station |
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|---|---|---|---|---|
| CA2181088A1 (en) * | 1996-07-12 | 1998-01-13 | Denis Darveau | Pressure and various liquid multi recirculation pump |
| US6953524B2 (en) * | 2000-08-29 | 2005-10-11 | Hydro International Plc | Screen assembly for combined sewer overflow weir |
| CN201013583Y (en) * | 2007-03-01 | 2008-01-30 | 中国石油天然气股份有限公司 | Water injection blower pump outlet filter |
| CN201180634Y (en) * | 2007-12-11 | 2009-01-14 | 郭应辉 | Filter |
| JP2012241706A (en) * | 2011-05-19 | 2012-12-10 | Shuji Kasuga | Compressed air power generator |
-
2014
- 2014-05-21 CN CN201410215562.8A patent/CN103982424B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2181088A1 (en) * | 1996-07-12 | 1998-01-13 | Denis Darveau | Pressure and various liquid multi recirculation pump |
| US6953524B2 (en) * | 2000-08-29 | 2005-10-11 | Hydro International Plc | Screen assembly for combined sewer overflow weir |
| CN201013583Y (en) * | 2007-03-01 | 2008-01-30 | 中国石油天然气股份有限公司 | Water injection blower pump outlet filter |
| CN201180634Y (en) * | 2007-12-11 | 2009-01-14 | 郭应辉 | Filter |
| JP2012241706A (en) * | 2011-05-19 | 2012-12-10 | Shuji Kasuga | Compressed air power generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221409A (en) * | 2015-11-06 | 2016-01-06 | 何丹 | A kind of water pump bailing pipe device for pumping station |
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| Publication number | Publication date |
|---|---|
| CN103982424B (en) | 2015-12-02 |
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Inventor after: Tang Huanv Inventor before: Fu Yonggang |
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Effective date of registration: 20151026 Address after: 311800 Zhejiang city of Shaoxing province Zhuji city Jiyang Street Genta Road No. 24-3 (room 108) Applicant after: Tang Huanv Address before: 311824 Zhejiang city of Shaoxing province Zhuji city town in Pu Jie College Road No. 2 Applicant before: Fu Yonggang |
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Effective date of registration: 20151231 Address after: 300220 No. 9, Nu River Road, Tianjin, Hexi District Patentee after: TIANJIN ZHONGHUAN TONGJIE ELECTRIC APPLIANCE Co.,Ltd. Address before: 311800 Zhejiang city of Shaoxing province Zhuji city Jiyang Street Genta Road No. 24-3 (room 108) Patentee before: Tang Huanv |
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