CN202468351U - Stainless steel stamping submersible pump - Google Patents
Stainless steel stamping submersible pump Download PDFInfo
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- CN202468351U CN202468351U CN2012200498899U CN201220049889U CN202468351U CN 202468351 U CN202468351 U CN 202468351U CN 2012200498899 U CN2012200498899 U CN 2012200498899U CN 201220049889 U CN201220049889 U CN 201220049889U CN 202468351 U CN202468351 U CN 202468351U
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Abstract
The utility model relates to the technical field of a submersible electric pump and specifically relates to a stainless steel stamping submersible pump. The stainless steel stamping submersible pump comprises a base, a thrust bearing component, a thrust plate, a lower guide bearing component, a rotor component, a stator component, a shell, an upper guide bearing component, a water inlet joint, a flow-guiding shell, a flat lacing bar, an impeller, a pump shaft, a wire-protecting plate and an extrusion shell. The stainless steel stamping submersible pump is characterized in that the base, the water inlet joint, the flow-guiding shell and the impeller are respectively molded by adopting a stainless steel stamping and welding technology. Compared with the prior art, the stainless steel stamping submersible pump has the advantages that the weight of each stainless steel stamping piece is 0.2-0.3 times of that of the original casting piece; the weight is greatly reduced; 5000 stamping pieces can be produced per day; only 500 casting pieces can be produced per day; the production efficiency is obviously increased; in the electricity consumption aspect, only 5% of the electric energy of the casting piece is required; and the stainless steel stamping submersible pump has the advantages of novel structure, light product weight, low material consumption, less electric consumption, high production efficiency, high abrasion resistance, low production cost, low pump height, compact assembling, long service life, beautiful appearance, and the like.
Description
Technical field
The utility model relates to the Submerged Motor Pumps technical field, specifically a kind of stainless steel punching press submersible pump.
Background technique
At present, existing Submerged Motor Pumps by base, thrust bearing component, thrust disc, lower guide bearing assembly, rotor assembly, stator module, casing, top guide bearing assembly, sand control ring, water inlet joint, blower inlet casing, flat lacing wire, connect shell, impeller, pump shaft, protect the line plate and extrude shell and form, thrust bearing component comprises thrust shaft block and thrust bearing; The lower guide bearing assembly comprises lower leading axle bearing and guide bearing, and the top guide bearing assembly comprises upper leading axle bearing and guide bearing, is provided with stator module and rotor assembly in the casing; Motor shaft upper end in the stator module is fixedly connected with pump shaft through coupling, socket-connects through top guide bearing assembly and sand control ring, axle sleeve on the motor shaft of rotor assembly upper end, and the motor shaft of lower end is connected with thrust disc through the lower guide bearing assembly; The thrust disc below is provided with base; Base is inconsistent through tapped hole and thrust disc that bolt, nut pass center, and reaching the effect of support, and the end face of bolt is sphere; The base lower end is fixedly connected with the pressure regulation membrane cover; Be provided with pressure regulator membrane between base and the pressure regulation membrane cover, support through tension spring between last pressure regulator membrane and the pressure regulation membrane cover, regulate the effect of pump internal pressure when being beneficial to submersible pump and diving beneath the water certain depth; Be equipped with blower inlet casing and impeller on the pump shaft; Be fixedly connected through flat lacing wire between blower inlet casing and the blower inlet casing, the blower inlet casing upper end is fixedly connected with impeller through connecting shell, and the lower end is saved through intaking and is fixedly connected with the top guide bearing assembly; The impeller upper end is fixedly connected with the extrusion shell; Wherein base, water inlet joint and blower inlet casing adopt the cast iron materials casting usually, and deficiency is: in working process, because foundry goods need be changed fire, cast and sand removal process treating; Change fire in the casting process and pollute big, many, the complex procedures of sand removal dust; And owing to adopt casting, modular construction is complicated, product is heavy, high material consumption, electricity consumption is many, the recruitment expense high, manufacturing efficiency is low, and one is the carrying inconvenience; The 2nd, because impeller adopts plastic impeller and brass impeller usually, in the using process, wear-resisting property is poor, and working life is short; The brass impeller is higher than stainless steel punching press impeller price, has increased the cost of production of water pump; The 3rd, owing to be mould casting mostly, the water pump whole height is high, and part is many, causes assembling complicated.
Summary of the invention
The purpose of the utility model is the deficiency that solves above-mentioned existing technology, a kind of novel structure is provided, technology is simple, product weight is light, materials consumption is low, electricity consumption is few, the recruitment expense is low, manufacturing efficiency is high, convenient in carrying, wear-resisting property is high, cost of production is low, pump housing height is low, assembling is compact, the stainless steel punching press submersible pump of long service life.
The utility model solves the technological scheme that its technical problem adopted:
A kind of stainless steel punching press submersible pump; Comprise base, thrust bearing component, thrust disc, lower guide bearing assembly, rotor assembly, stator module, casing, top guide bearing assembly, water inlet joint, blower inlet casing, flat lacing wire, impeller, pump shaft, protect the line plate and extrude shell; It is characterized in that base, water inlet joint, blower inlet casing and impeller adopt stainless steel punching press, welding procedure moulding respectively; Alleviated weight of the present invention greatly; Compact structure, saved material, convenient in carrying, high, the long service life of wear-resisting property, wherein:
Base be coaming plate by base plate and base plate periphery through the punching press once-through, inwardly is provided with circular protrusions in the middle of the base plate, convex center is provided with spherical salient point; Base plate is provided with mounting hole and dewatering orifice, is welded with the plug that discharges water on the dewatering orifice, has save bolt, nut part; Reduced procedure
Water inlet joint is that the base plate by cylindrical shell and cylindrical shell lower end is welded to each other and forms, and the centre of base plate is provided with boss, and base plate is provided with attachment hole; The boss center is provided with the mounting hole of pump shaft, cylindrical shell be large-diameter cylinder body by the minor diameter cylindrical shell on top, transition cylindrical shell and bottom through being stamped to form, the transitional cylinder body side surface is provided with cable interface and stiffening rib; Stiffening rib is used to articulate flat lacing wire, to improve the strength and stiffness of water inlet joint, simple in structure, good reliability; The large-diameter cylinder body side is provided with positioning hole, compares with casting water inlet joint of the prior art, has alleviated weight greatly; Save material, reduced cost
Blower inlet casing is made up of water conservancy diversion shell, inner sealing lid, sealing gland, bonnet, guide vane, silicon carbide anti-friction bearing and fluctuate hermetical ring, and the inside bending in water conservancy diversion shell bottom surface also is the bending that makes progress after gradient is shunk, and upwards forms small-bore cylinder more vertically; The inner sealing lid periphery is horn-like barrel, and barrel top is beneficial to water conservancy diversion to outer lug; Make flow of fluid more smooth, hydraulic performance is high, and the barrel bottom surface is tapering and shrinks inwardly bending of back downwards gradually; Be that gradient is inwardly shunk and the upper-end surface, back that stretches vertically radially is shrunk to a circular hole to the center more again, the bottom surface of inner sealing lid and water conservancy diversion shell bottom surface are matched, bonnet is that the setting sleeve by end cap and end cap center forms through the corrosion resistant plate stretching; Sealing gland is drawn into cylindric through corrosion resistant plate, be provided with a through hole in the middle of the last end face, outwards bends after lower ends downward stretches to form again; Water conservancy diversion shell bottom surface is inner to be fixedly connected with the inner sealing lid bottom surface, and the outer end is fixedly connected with bonnet through guide vane, is provided with the silicon carbide anti-friction bearing in the setting sleeve of bonnet; To reach wear-resisting effect, sealing gland is enclosed within on the inner sealing lid, is provided with fluctuate hermetical ring in the gap on the sealing gland between end face and the inner sealing lid upper-end surface; The floating seal ring material is a teflon; The corresponding fluctuate hermetical ring punching press in sealing gland upper-end surface has interior salient point, and fluctuate hermetical ring is inconsistent through salient point and sealing gland, is beneficial to increase the friction of fluctuate hermetical ring; Reach the effect of installing and locating
Impeller is to be taken over a business through vanes fixed to be welded by the butterfly on the tubaeform chassis of bottom and top; In the middle of taking over a business, butterfly is provided with pod apertures; Make stainless steel impeller obviously be superior to plastic impeller and brass impeller aspect wear-resisting property, manufacture cost and working life
Be provided with stator module and rotor assembly in the said casing, the motor shaft of rotor assembly upper end passes the top guide bearing assembly and is connected with coupling with the middle mounting hole of water inlet joint, and the motor shaft of lower end is connected with thrust disc through the lower guide bearing assembly; The water inlet joint passes attachment hole through connecting bolt and is fixedly connected with the top guide bearing assembly, and the thrust disc below is provided with base, and base is inconsistent through the spherical salient point and the thrust shaft block in the thrust bearing component at center; Save bolt, nut part, reduced the procedure of workpiece, inwardly be provided with circular protrusions in the middle of the base plate; Regulate the effect of pump internal pressure balance when helping submersible pump and diving beneath the water certain depth; The pump shaft warp beam sleeve is equipped with a plurality of blower inlet casings and impeller, and last suit extrudes shell, and the nut check on pump shaft; The pump shaft lower end is passed into, and the water joint is fixedly connected with motor shaft through coupling; Be arranged with the stainless steel water strainer on the pump shaft in the water inlet joint, get in the pump housing to prevent sand or large particulate matter, the chassis of wheel bottom is connected with the water conservancy diversion body seal through fluctuate hermetical ring; Concentricity problem when having solved the installation of stainless steel impeller and blower inlet casing; Made things convenient for installation, the location between the good sealing effect, blower inlet casing and blower inlet casing is fixedly connected with the extrusion shell through flat lacing wire upper end; The lower end is fixedly connected with the stiffening rib that water inlet saves the side through strengthening pad, to reach the effect that assembling is compact, installation reliability is high.
The utility model compared with prior art has novel structure, advantages such as technology is simple, product weight is light, materials consumption is low, electricity consumption is few, the recruitment expense is low, manufacturing efficiency is high, convenient in carrying, wear-resisting property high, cost of production is low, pump housing height is low, assembling compactness, long service life.
Description of drawings
Fig. 1 is the prior art constructions schematic representation.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is the structural representation of base in the existing technology.
Fig. 4 is the structural representation of base in the utility model.
Fig. 5 is the structural representation of water inlet joint in the existing technology.
Fig. 6 is the structural representation of water inlet joint in the utility model.
Fig. 7 is the structural representation of impeller in the existing technology.
Fig. 8 is the structural representation of impeller in the utility model.
Fig. 9 is the structural representation of blower inlet casing in the existing technology.
Figure 10 is the structural representation of blower inlet casing in the utility model.
Reference character: base 1; Thrust bearing component 2; Thrust disc 3; Lower guide bearing assembly 4; Rotor assembly 5; Stator module 6; Casing 7; Top guide bearing assembly 8; Water inlet joint 10; Pump shaft 12; Flat lacing wire 13; Protect line plate 14; Blower inlet casing 15; Impeller 16; Extrude shell 17; Base plate 18; Coaming plate 19; Protruding 20; Spherical salient point 21; Mounting hole 22; Dewatering orifice 23; Plug 24 discharges water; Cylindrical shell 25; Base plate 26; Boss 27; Attachment hole 28; Mounting hole 29; Minor diameter cylindrical shell 30; Transition cylindrical shell 31; Large-diameter cylinder body 32; Cable interface 33;
Stiffening rib 34, Positioning hole 35, water conservancy diversion shell 36, inner sealing lid 37, sealing gland 38, bonnet 39, guide vane 40, silicon carbide anti-friction bearing 41, fluctuate hermetical ring 42, salient point 43, chassis 44, take over a business 45, blade 46.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Shown in accompanying drawing; A kind of stainless steel punching press submersible pump; Comprise base 1, thrust bearing component 2, thrust disc 3, lower guide bearing assembly 4, rotor assembly 5, stator module 6, casing 7, top guide bearing assembly 8, water inlet joint 10, blower inlet casing 15, flat lacing wire 13, impeller 16, pump shaft 12, protect line plate 14 and extrude shell 17; The structure of thrust bearing component 2, thrust disc 3, lower guide bearing assembly 4, rotor assembly 5, stator module 6, casing 7, top guide bearing assembly 8 is identical with existing technology with annexation, and this does not give unnecessary details, and it is characterized in that base 1, water inlet joint 10, blower inlet casing 15 and impeller 16 adopt stainless steel punching press, welding procedure moulding respectively; Alleviated weight of the present invention greatly; Compact structure, saved material, convenient in carrying, high, the long service life of wear-resisting property, wherein:
Said base 1 is that coaming plate 19 by base plate 18 and base plate 18 peripheries is through the punching press once-through; Inwardly be provided with circular protrusions 20 in the middle of the base plate 18, protruding 20 centers are provided with spherical salient point 21, and base plate 18 is provided with mounting hole 22 and dewatering orifice 23; Be welded with the plug 24 that discharges water on the dewatering orifice 23; Save bolt, nut part, reduced procedure
Said water inlet joint 10 is that the base plate 26 by cylindrical shell 25 and cylindrical shell 25 lower ends is welded to each other and forms, and the centre of base plate 26 is provided with boss 27, and base plate 26 is provided with attachment hole 28; Boss 27 centers are provided with the mounting hole 29 of pump shaft, cylindrical shell 25 be by the large-diameter cylinder body 32 of the minor diameter cylindrical shell 30 on top, transition cylindrical shell 31 and bottom through being stamped to form, transition cylindrical shell 31 sides are provided with cable interface 33 and stiffening rib 34; Stiffening rib is used to articulate flat lacing wire 13, to improve the strength and stiffness of water inlet joint 10, simple in structure, good reliability; Large-diameter cylinder body 32 sides are provided with positioning hole 35; Compare with casting water inlet joint of the prior art, alleviated weight greatly, saved material; Reduced cost
Said blower inlet casing 15 is made up of water conservancy diversion shell 36, inner sealing lid 37, sealing gland 38, bonnet 39, guide vane 40, silicon carbide anti-friction bearing 41 and fluctuate hermetical ring 42, and the inside bending in water conservancy diversion shell 36 bottom surfaces also is the bending that makes progress after gradient is shunk, and upwards forms small-bore cylinder more vertically; Inner sealing lid 37 peripheries are horn-like barrel, and barrel top is beneficial to water conservancy diversion to outer lug; Make flow of fluid more smooth, hydraulic performance is high, and resistance is little; The barrel bottom surface is tapering inwardly bending of contraction back gradually downwards, is the inside upper-end surface, back that also stretches vertically of shrinking of gradient again and radially is shrunk to a circular hole to the center again, and the bottom surface of inner sealing lid 37 and water conservancy diversion shell 36 bottom surfaces are matched; Bonnet 39 is to be stretched through corrosion resistant plate by the setting sleeve at end cap and end cap center to form, and sealing gland 38 is drawn into cylindric through corrosion resistant plate, and last end face centre is provided with a through hole; Outside again bending formed after lower ends downward stretched, and water conservancy diversion shell 36 bottom surfaces are inner to be fixedly connected with inner sealing lid 37 bottom surfaces, and the outer end is fixedly connected with bonnet 39 through guide vane 40; Be provided with silicon carbide anti-friction bearing 41 in the setting sleeve of bonnet 39; To reach wear-resisting effect, sealing gland 38 is enclosed within on the inner sealing lid 37, is provided with fluctuate hermetical ring 42 in the gap on the sealing gland 38 between end face and inner sealing lid 37 upper-end surfaces; Fluctuate hermetical ring 42 materials are teflon; Corresponding fluctuate hermetical ring 42 punching presses in sealing gland 38 upper-end surfaces have interior salient point 43, and fluctuate hermetical ring 42 is inconsistent through salient point 43 and sealing gland 38, is beneficial to increase the friction of fluctuate hermetical ring 42; Reach installing and locating, effect that sealing is high
Said impeller 16 is to take over a business 45 by the butterfly on tubaeform chassis of bottom 44 and top fixedly to be welded through blade 46; In the middle of taking over a business, butterfly is provided with pod apertures; Make stainless steel impeller obviously be superior to plastic impeller and brass impeller aspect wear-resisting property, manufacture cost and working life
Be provided with stator module 6 and rotor assembly 5 in the said casing 7, the motor shaft of rotor assembly 5 upper ends passes top guide bearing assembly 8 and is connected with coupling 9 with water inlet joint 10 middle mounting holes 29, and the motor shaft of lower end is connected with thrust disc 3 through lower guide bearing assembly 4; Water inlet joint 10 passes attachment hole 28 through connecting bolt and is fixedly connected with top guide bearing assembly 8, and thrust disc 3 lower ends are connected with thrust bearing component, and the thrust bearing component below is provided with base; Base is inconsistent through the spherical salient point and the thrust shaft block in the thrust bearing component at center, has save bolt, nut part, has reduced cost; Also reduced simultaneously the procedure of workpiece; Inwardly is provided with circular protrusions in the middle of the base plate, regulates the pressure balance of thrust bearing and thrust disc when helping submersible pump and diving beneath the water certain depth, pump shaft 12 warp beam sleeves are equipped with a plurality of blower inlet casings 15 and impeller 16; Last suit extrudes shell 17; And through the nut check of pump shaft 12 upper ends, pump shaft 12 lower ends are passed into water joint 10 and are fixedly connected with motor shaft through coupling 9, and water inlet saves on the 10 interior pump shafts 12 and is arranged with stainless steel water strainer 11; To prevent that sand or large particulate matter from getting in the pump housing; The chassis 44 of impeller 16 bottoms is tightly connected through fluctuate hermetical ring 42 and water conservancy diversion shell 36, has solved the concentricity problem when stainless steel impeller 16 is installed with blower inlet casing 15, has made things convenient for installation; Good sealing effect; Being connected through flat lacing wire 13 upper ends between blower inlet casing 15 and the blower inlet casing 15 is fixedly connected with extruding shell, and the lower end is fixedly connected with the stiffening rib 34 of water inlet joint side through strengthening pad 31, to reach compactness, the effect that installation reliability is high of assembling.
In the utility model when work, can be put into invention under water, and the circular protrusions 20 through base 1 and spherical salient point 21 upwards jack-up thrust bearing component come balanced seal chamber external and internal pressure; Make mechanical seal remain sealing state, water can not enter the motor the inside, guarantees the normal operation of motor; Prolong the working life of water pump, simultaneously, save bolt, nut part; Simplify installation procedure, reduced procedure, and; Because when assembling, the fluctuate hermetical ring 42 in the blower inlet casing 11 adopts polytetrafluoroethylmaterial material, sealing is high; Fluctuate hermetical ring 42 is inconsistent with the sealing gland 38 in the blower inlet casing 15 through salient point 43, is beneficial to increase the friction of fluctuate hermetical ring 42, makes impeller 16 when fluctuate hermetical ring 42 is installed with blower inlet casing 15; Guaranteed the concentricity of impeller 16 and blower inlet casing 15, reached that installing and locating is fast, sealing is high, the effect of long service life.
The utility model compared with prior art; The weight of every stainless steel stamping part is 0.2-0.3 times of former foundry goods, alleviated weight greatly, and stamping part can be produced 5000 every day; And every day only produced 500 by foundry goods; Manufacturing efficiency has obtained significant raising, aspect electricity consumption, only needs 5% of cast member; Advantages such as therefore, the present invention has novel structure, technology is simple, product weight is light, materials consumption is low, electricity consumption is few, the recruitment expense is low, manufacturing efficiency is high, convenient in carrying, wear-resisting property high, cost of production is low, pump housing height is low, assembling compactness, long service life, outward appearance are beautiful.
Claims (1)
1. stainless steel punching press submersible pump; Comprise base, thrust bearing component, thrust disc, lower guide bearing assembly, rotor assembly, stator module, casing, top guide bearing assembly, water inlet joint, blower inlet casing, flat lacing wire, impeller, pump shaft, protect the line plate and extrude shell; It is characterized in that base, water inlet joint, blower inlet casing and impeller adopt stainless steel punching press, welding procedure moulding respectively, wherein:
Base be coaming plate by base plate and base plate periphery through the punching press once-through, inwardly is provided with circular protrusions in the middle of the base plate, convex center is provided with spherical salient point, base plate is provided with mounting hole and dewatering orifice, is welded with the plug that discharges water on the dewatering orifice,
Water inlet joint is that the base plate by cylindrical shell and cylindrical shell lower end is welded to each other and forms, and the centre of base plate is provided with boss, and base plate is provided with attachment hole; The boss center is provided with the mounting hole of pump shaft; Cylindrical shell be large-diameter cylinder body by the minor diameter cylindrical shell on top, transition cylindrical shell and bottom through being stamped to form, the transitional cylinder body side surface is provided with cable interface and stiffening rib, stiffening rib is used to articulate flat lacing wire; The large-diameter cylinder body side is provided with positioning hole
Blower inlet casing is made up of water conservancy diversion shell, inner sealing lid, sealing gland, bonnet, guide vane, silicon carbide anti-friction bearing and fluctuate hermetical ring, and the inside bending in water conservancy diversion shell bottom surface also is the bending that makes progress after gradient is shunk, and upwards forms small-bore cylinder more vertically; The inner sealing lid periphery is horn-like barrel, and barrel top is to outer lug, and the barrel bottom surface is tapering and shrinks inwardly bending of back downwards gradually; Be that gradient is inwardly shunk and the upper-end surface, back that stretches vertically radially is shrunk to a circular hole to the center more again, the bottom surface of inner sealing lid and water conservancy diversion shell bottom surface are matched, bonnet is that the setting sleeve by end cap and end cap center forms through the corrosion resistant plate stretching; Sealing gland is drawn into cylindric through corrosion resistant plate; Be provided with a through hole in the middle of the last end face, outside again bending formed after lower ends downward stretched, and water conservancy diversion shell bottom surface is inner to be fixedly connected with the inner sealing lid bottom surface; The outer end is fixedly connected with bonnet through guide vane; Be provided with the silicon carbide anti-friction bearing in the setting sleeve of bonnet, sealing gland is enclosed within on the inner sealing lid, is provided with fluctuate hermetical ring in the gap on the sealing gland between end face and the inner sealing lid upper-end surface; The floating seal ring material is a teflon; The corresponding fluctuate hermetical ring punching press in sealing gland upper-end surface has interior salient point, and fluctuate hermetical ring is inconsistent through salient point and sealing gland
Impeller is to be taken over a business through vanes fixed to be welded by the butterfly on the tubaeform chassis of bottom and top, is provided with pod apertures in the middle of butterfly is taken over a business,
Be provided with stator module and rotor assembly in the casing, the motor shaft of rotor assembly upper end passes the top guide bearing assembly and is connected with coupling with the middle mounting hole of water inlet joint, and the motor shaft of lower end is connected with thrust disc through the lower guide bearing assembly; The water inlet joint passes attachment hole through connecting bolt and is fixedly connected with the top guide bearing assembly; The thrust disc below is provided with base, and base is inconsistent through the spherical salient point and the thrust shaft block in the thrust bearing component at center, inwardly is provided with circular protrusions in the middle of the base plate; The pump shaft warp beam sleeve is equipped with a plurality of blower inlet casings and impeller; Last suit extrusion shell, and the nut check on pump shaft, pump shaft lower end pass into, and the water joint is fixedly connected with motor shaft through coupling; Be arranged with the stainless steel water strainer on the pump shaft in the water inlet joint; The chassis of wheel bottom is connected with the water conservancy diversion body seal through fluctuate hermetical ring, and the location between blower inlet casing and the blower inlet casing is fixedly connected with extruding shell through flat lacing wire upper end, and the lower end is fixedly connected with the stiffening rib that saves the side of intaking through strengthening pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200498899U CN202468351U (en) | 2012-02-16 | 2012-02-16 | Stainless steel stamping submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200498899U CN202468351U (en) | 2012-02-16 | 2012-02-16 | Stainless steel stamping submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468351U true CN202468351U (en) | 2012-10-03 |
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ID=46916512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200498899U Withdrawn - After Issue CN202468351U (en) | 2012-02-16 | 2012-02-16 | Stainless steel stamping submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536844A (en) * | 2012-02-16 | 2012-07-04 | 山东名流实业集团有限公司 | Stainless steel stamped submersible pump |
-
2012
- 2012-02-16 CN CN2012200498899U patent/CN202468351U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536844A (en) * | 2012-02-16 | 2012-07-04 | 山东名流实业集团有限公司 | Stainless steel stamped submersible pump |
| CN102536844B (en) * | 2012-02-16 | 2013-09-25 | 山东名流实业集团有限公司 | Stainless steel stamped submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20130925 |
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| RGAV | Abandon patent right to avoid regrant |