CN109026742A - A kind of metal magnetic pump with sealing structure - Google Patents
A kind of metal magnetic pump with sealing structure Download PDFInfo
- Publication number
- CN109026742A CN109026742A CN201810786052.4A CN201810786052A CN109026742A CN 109026742 A CN109026742 A CN 109026742A CN 201810786052 A CN201810786052 A CN 201810786052A CN 109026742 A CN109026742 A CN 109026742A
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- CN
- China
- Prior art keywords
- separation sleeve
- pump
- magnet
- motor
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of metal magnetic pump with sealing structure, including motor, the pump housing, outer magnet, separation sleeve, inner magnet, resilient cushion and non-slip mat, the motor is connected by motor shaft with outer magnet, the outer magnet is sleeved on separation sleeve, the separation sleeve is sleeved on inner magnet, the inner magnet is far from outer magnet one end and output axis connection, the output shaft is connected far from inner magnet one end through sealing gland and with impeller, the sealing gland and separation sleeve, which are combined, is sealed inner magnet, the separation sleeve includes cylinder set and connecting flange, the separation sleeve is connected by connecting flange with seal cover board.Compared with prior art; the beneficial effects of the invention are as follows supporting legs, and vibration damper plate to be driven to move downward; vibration damper plate drives the first magnetic pole to reduce the spacing between the second magnetic pole; to make repulsive force increase; effectively reduce the decrease speed of vibration damper plate; to realize the effect of damping, magnetic drive pump is effectively protected.
Description
Technical field
The present invention relates to metal magnetic pump technical fields, and in particular to a kind of metal magnetic pump with sealing structure.
Background technique
Magnetic drive pump (also referred to as magnetic force driving pump) is mainly by several portions such as pump head, magnetic driver (magnetic cylinder), motor, pedestals
Divide part composition.Magnetic drive pump magnetic driver is made of outer magnet rotor, interior magnet rotor and non-magnetic separation sleeve.When motor is logical
When crossing shaft coupling drive outer magnet rotor rotation, magnetic field energy penetrates the air gap and namagnetic substance separation sleeve, drive and blade phase
Interior magnet rotor even makees synchronous rotary, realizes the contactless synchronous transmitting of power, converts the movable sealing structure of easy leakage to
The static seal structure of zero leakage.Since pump shaft, interior magnet rotor are completely enclosed by shell, separation sleeve, thus thoroughly solve " run,
Emit, drip, leak " problem.
Metal magnetic pump No leakage due to it uses static seal substitution dynamic sealing, has traditional machine envelope pump unrivaled complete
Sealing characteristics, be widely used in petroleum, plating, printing and dyeing, pharmacy, etc. chemical industry place, as convey it is inflammable, explosive, hypertoxic, high-risk
The key equipment of medium, precious liquid, according to magnetic coupling transmission principle: the separation sleeve to seal is the pass of No leakage pressure-bearing
Key factor, while the efficient operation for ensuring to pump again；Traditional separation sleeve sealing structure is single, and when use is easy to produce whirlpool,
Magnetic loss is big.Separation sleeve is a critical seal component in pump configuration, is a main parts size for influencing pump service life,
It is also current most weak one of problem in current metal magnetic pump product；In addition, larger amplitude can occur when in use for magnetic drive pump
The shake of degree, how to improve damping effect is also one technical problem urgently to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of metal magnetic pumps with sealing structure, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of metal magnetic pump with sealing structure, including motor, the pump housing, outer magnet, separation sleeve, inner magnet, damping
Pad and non-slip mat, the motor are connected by motor shaft with outer magnet, and the outer magnet is sleeved on separation sleeve, the separation sleeve
It is sleeved on inner magnet, the inner magnet is far from outer magnet one end and output axis connection, and the output shaft is far from inner magnet one end
It connects through sealing gland and with impeller, the sealing gland and separation sleeve, which are combined, is sealed inner magnet, the separation sleeve
Including cylinder set and connecting flange, the separation sleeve is connected by connecting flange with seal cover board, and the cylinder set and connecting flange are solid
Fixed connection, the cylinder are put on equipped with step, and the cylinder, which is covered, is provided with fillet far from connecting flange side, and the connecting flange includes
First plate and the second plate are provided with the first seal groove on first plate, the second seal groove and are provided on second plate
Three seal grooves, the motor and pump housing one end, which are fixedly linked and combine with separation sleeve, is sealed outer magnet, the pump housing
End is provided with pump head, and the impeller is arranged inside pump head, and the pump housing and motor lower end are equipped with multiple supporting legs, described
Supporting leg lower end is connected by damping device with resilient cushion, and the damping device includes the groove being provided on resilient cushion, recessed
Vibration damper plate is provided in slot, supporting leg bottom end is fixedly connected with vibration damper plate, is uniformly fixedly connected on the downside of the vibration damper plate several
A first magnetic pole, bottom is evenly arranged with several the second magnetic poles in groove, and passes through bullet between the first magnetic pole and the second magnetic pole
Spring is connected, and the polarity of first magnetic pole is identical as the polarity of the second magnetic pole；Non-slip mat is fixed on the downside of the resilient cushion.
As a preferred technical solution of the present invention, the sealing gland is set as bearing block.
As a preferred technical solution of the present invention, first seal groove, the second seal groove and third seal groove are equal
Equipped with multiple and be symmetric.
As a preferred technical solution of the present invention, the pump head is axially provided with inlet far from motor side, and
Strainer is equipped with inside the inlet.
As a preferred technical solution of the present invention, liquid outlet is vertically installed at the top of the pump head.
Compared with prior art, the beneficial effects of the present invention are: this kind has the metal magnetic pump of multiple-sealed separation sleeve,
Put on by the cylinder of separation sleeve equipped with step, cooperate with fillet, prevent from forming whirlpool at cylinder set, reduce magnetic loss, by every
From put on be equipped with the first seal groove, the second seal groove and third seal groove, realize it is multiple-sealed so that the sealing effect of equipment
It is more superior reliable, it by the solid particle in strainer filtering medium, avoids blocking at impeller, leads to operational difficulties, lead to
The lower end for crossing supporting leg is fixed on inside resilient cushion, is conducive to alleviate the vibration generated in the pump housing and motor operation course, be improved
The stability of equipment prevents the movement in equipment running process, further increases and set by being fixed with non-slip mat on the downside of resilient cushion
Standby stability；Supporting leg drives vibration damper plate to move downward, between vibration damper plate drives the first magnetic pole to reduce between the second magnetic pole
Away from so that repulsive force be made to increase, the decrease speed of vibration damper plate being effectively reduced, so that the effect of damping is realized, to magnetic drive pump
It is effectively protected.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of separation sleeve of the present invention；
Fig. 3 is the structural schematic diagram of damping device of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-Fig. 3, in the embodiment of the present invention, a kind of metal magnetic pump with sealing structure, including motor 1,
The pump housing 2, outer magnet 4, separation sleeve 5, inner magnet 6, resilient cushion 15 and non-slip mat 16, motor 1 pass through 1 axis 3 of motor and 4 phase of outer magnet
Even, outer magnet 4 is sleeved on separation sleeve 5, and separation sleeve 5 is sleeved on inner magnet 6, and inner magnet 6 is far from 4 one end of outer magnet and output
Axis 9 connects, and output shaft 9 is connected far from 6 one end of inner magnet through sealing gland 10 and with impeller 8, sealing gland 10 and separation sleeve 5
Combine and inner magnet 6 is sealed, improve leakproofness, separation sleeve 5 includes that cylinder set 17 and connecting flange 21, separation sleeve 5 pass through company
Acting flange 21 is connected with seal cover board, convenient and efficient installation, and cylinder set 17 is fixedly connected with connecting flange 21, and cylinder set 17 is equipped with platform
Rank 19 cooperates with fillet 20, prevents from going out to form whirlpool in cylinder set 17, reduces magnetic loss, cylinder set 17 is far from 21 side of connecting flange
It is provided with fillet 20, connecting flange 21 includes the first plate 18 and the second plate 25, it is provided with the first seal groove 22 on the first plate 18, the
It is provided with the second seal groove 23 and third seal groove 24 on two plates 25, multiple-sealed groove is arranged so that sealing effect is more superior,
Motor 1 and 2 one end of the pump housing, which are fixedly linked and combine with separation sleeve 5, is sealed outer magnet 4, and the end of the pump housing 2 is provided with pump
First 12, impeller 8 is arranged inside pump head 12, and the pump housing 2 and 1 lower end of motor are equipped with multiple supporting legs 14,2 He of the pump housing easy to support
Motor 1,
14 lower end of supporting leg is connected by damping device 26 with resilient cushion 15, and the damping device 26 includes opening up
Groove 261 on resilient cushion 15, is provided with vibration damper plate 262 in groove 261,14 bottom end of supporting leg and vibration damper plate 262 is fixed connects
It connects, 262 downside of vibration damper plate is uniformly fixedly connected with several the first magnetic poles 263, if bottom is evenly arranged in groove 261
Dry the second magnetic pole 264, and be connected between the first magnetic pole 263 and the second magnetic pole 264 by spring 265, first magnetic pole
263 polarity is identical as the polarity of the second magnetic pole 264, when magnetic drive pump at work, supporting leg 14 will receive downward active force,
Supporting leg 14 drives vibration damper plate 262 to move downward, and vibration damper plate 262 drives the first magnetic pole 263 to reduce between the second magnetic pole 264
Spacing effectively reduces the decrease speed of vibration damper plate 262 so that repulsive force be made to increase, so that the effect of damping is realized, to magnetic
Power pump is effectively protected.
Non-slip mat (16) are fixed on the downside of the resilient cushion (15), are conducive to produce in the alleviation pump housing 2 and 1 operation process of motor
Raw vibration improves the stability of equipment,
Sealing gland 10 is set as bearing block, facilitates the fixation of bearing, and the first seal groove 22, the second seal groove 23 and third are close
Sealing groove 24 is equipped with multiple and is symmetric, and pump head 12 is axially provided with inlet 11, and inlet 11 far from 1 side of motor
Inside is equipped with strainer 13, and strainer 13 avoids blocking at impeller 8 for the solid particle in filter medium, causes operating tired
Difficulty is vertically installed with liquid outlet 7 at the top of pump head 12, is convenient for output liquid medium.
Concrete principle: in use, separation sleeve 5 is connected by connecting flange 21 with seal cover board, convenient and efficient installation passes through
Cylinder set 17 is equipped with step 19, prevents whirlpool, reduces magnetic loss, passes through the first seal groove 22, the second seal groove 23 and the
Three seal grooves 24 are realized multiple-sealed, so that the sealing effect of equipment is more superior, pass through the solid in 13 filter medium of strainer
Particle avoids blocking at impeller 8, leads to operational difficulties, is fixed on inside resilient cushion 15, had by the lower end of supporting leg 14
Conducive to the vibration generated in the pump housing 2 and 1 operation process of motor is alleviated, the stability of equipment is improved, by solid on the downside of resilient cushion 15
Surely there is non-slip mat 16, prevent the movement in equipment running process, further increase the stability of equipment.
This kind has the metal magnetic pump of multiple-sealed separation sleeve, is put on by the cylinder of separation sleeve equipped with step, with fillet
Cooperation, prevent from forming whirlpool at cylinder set, reduce magnetic loss, by separation sleeve be equipped with the first seal groove, the second seal groove and
Third seal groove, realize it is multiple-sealed so that the sealing effect of equipment is more superior reliable, by strainer filtering medium
Solid particle avoids blocking at impeller, leads to operational difficulties, is fixed on inside resilient cushion, had by the lower end of supporting leg
Conducive to the vibration generated in the pump housing and motor operation course is alleviated, the stability of equipment is improved, by being fixed on the downside of resilient cushion
Non-slip mat prevents the movement in equipment running process, further increases the stability of equipment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of metal magnetic pump with sealing structure, including it is motor (1), the pump housing (2), outer magnet (4), separation sleeve (5), interior
Magnet (6), resilient cushion (15) and non-slip mat (16), which is characterized in that the motor (1) passes through motor shaft (3) and outer magnet (4)
It is connected, the outer magnet (4) is sleeved on separation sleeve (5), and the separation sleeve (5) is sleeved on inner magnet (6), the inner magnet
(6) it is connected far from outer magnet (4) one end and output shaft (9), the output shaft (9) is far from inner magnet (6) one end through sealing pressure
It covers (10) and is connected with impeller (8), the sealing gland (10) and separation sleeve (5), which are combined, is sealed inner magnet (6), described
Separation sleeve (5) includes cylinder set (17) and connecting flange (21), and the separation sleeve (5) is connected by connecting flange (21) and seal cover board
It connects, the cylinder set (17) is fixedly connected with connecting flange (21), and the cylinder set (17) is equipped with step (19), the cylinder set (17)
It is provided with fillet (20) far from connecting flange (21) side, the connecting flange (21) includes the first plate (18) and the second plate
(25), it is provided with the first seal groove (22) on first plate (18), is provided with the second seal groove on second plate (25)
(23) it is fixedly linked with third seal groove (24), the motor (1) and the pump housing (2) one end and combines external magnetic with separation sleeve (5)
Body (4) is sealed, and the end of the pump housing (2) is provided with pump head (12), and impeller (8) setting is internal in pump head (12),
The pump housing (2) and motor (1) lower end are equipped with multiple supporting legs (14), and supporting leg (14) lower end passes through damping device
(26) it is connected with resilient cushion (15), the damping device (26) includes the groove (261) being provided on resilient cushion (15), groove
(261) it is provided with vibration damper plate (262) in, supporting leg (14) bottom end is fixedly connected with vibration damper plate (262), the vibration damper plate (262)
Downside is uniformly fixedly connected with several the first magnetic poles (263), and groove (261) interior bottom is evenly arranged with several the second magnetic poles
(264), and between the first magnetic pole (263) and the second magnetic pole (264) it is connected by spring (265), first magnetic pole (263)
Polarity it is identical as the polarity of the second magnetic pole (264)；Non-slip mat (16) are fixed on the downside of the resilient cushion (15).
2. a kind of metal magnetic pump with sealing structure according to claim 1, which is characterized in that the sealing gland
(10) it is set as bearing block.
3. a kind of metal magnetic pump with sealing structure according to claim 1, which is characterized in that first sealing
Slot (22), the second seal groove (23) and third seal groove (24) are equipped with multiple and are symmetric.
4. a kind of metal magnetic pump with sealing structure according to claim 1, which is characterized in that the pump head (12)
It is axially provided with inlet (11) far from motor (1) side, and is equipped with strainer (13) inside the inlet (11).
5. a kind of metal magnetic pump with sealing structure according to claim 1, which is characterized in that the pump head (12)
Top is vertically installed with liquid outlet (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786052.4A CN109026742A (en) | 2018-07-17 | 2018-07-17 | A kind of metal magnetic pump with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786052.4A CN109026742A (en) | 2018-07-17 | 2018-07-17 | A kind of metal magnetic pump with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026742A true CN109026742A (en) | 2018-12-18 |
Family
ID=64643028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810786052.4A Pending CN109026742A (en) | 2018-07-17 | 2018-07-17 | A kind of metal magnetic pump with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026742A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273840A (en) * | 2019-06-12 | 2019-09-24 | 嘉兴明灼新能源科技有限公司 | A kind of magnetic coupling electronic water pump |
| CN110912339A (en) * | 2019-11-28 | 2020-03-24 | 浙江汇迅骏机电技术有限公司 | Water-cooling servo motor |
| CN111022347A (en) * | 2019-11-11 | 2020-04-17 | 邓明星 | High-temperature fan with multiple cooling mechanisms |
| CN112228410A (en) * | 2020-10-20 | 2021-01-15 | 安徽银龙泵阀股份有限公司 | Magnetic pump capable of effectively avoiding noise reduction and liquid leakage |
| CN112983832A (en) * | 2021-04-12 | 2021-06-18 | 安徽南方化工泵业有限公司 | High-pressure magnetic pump with self-cooling function |
| CN114909297A (en) * | 2022-04-18 | 2022-08-16 | 安徽南方化工泵业有限公司 | High-flow fluoroplastic magnetic pump |
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| JP2013124705A (en) * | 2011-12-14 | 2013-06-24 | Nippon Hoso Kyokai <Nhk> | Vibration isolation device |
| CN205841231U (en) * | 2016-06-30 | 2016-12-28 | 昆山国宝过滤机有限公司 | From filter type magnetic drive pump |
| CN205882418U (en) * | 2016-07-20 | 2017-01-11 | 东莞市惠信电控设备有限公司 | Electric power cabinet with put out a fire and shock -absorbing function |
| CN206246931U (en) * | 2016-12-12 | 2017-06-13 | 甘肃畜牧工程职业技术学院 | A kind of plant equipment shock-absorbing foot pad |
| CN107170553A (en) * | 2017-07-13 | 2017-09-15 | 深圳市昱意科技有限公司 | A kind of transformer mounting structure with function of seismic resistance |
| CN107882743A (en) * | 2017-11-03 | 2018-04-06 | 安徽南方化工泵业有限公司 | A kind of metal magnetic pump with multiple-sealed separation sleeve |
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| JP2013124705A (en) * | 2011-12-14 | 2013-06-24 | Nippon Hoso Kyokai <Nhk> | Vibration isolation device |
| CN205841231U (en) * | 2016-06-30 | 2016-12-28 | 昆山国宝过滤机有限公司 | From filter type magnetic drive pump |
| CN205882418U (en) * | 2016-07-20 | 2017-01-11 | 东莞市惠信电控设备有限公司 | Electric power cabinet with put out a fire and shock -absorbing function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273840A (en) * | 2019-06-12 | 2019-09-24 | 嘉兴明灼新能源科技有限公司 | A kind of magnetic coupling electronic water pump |
| CN111022347A (en) * | 2019-11-11 | 2020-04-17 | 邓明星 | High-temperature fan with multiple cooling mechanisms |
| CN110912339A (en) * | 2019-11-28 | 2020-03-24 | 浙江汇迅骏机电技术有限公司 | Water-cooling servo motor |
| CN112228410A (en) * | 2020-10-20 | 2021-01-15 | 安徽银龙泵阀股份有限公司 | Magnetic pump capable of effectively avoiding noise reduction and liquid leakage |
| CN112983832A (en) * | 2021-04-12 | 2021-06-18 | 安徽南方化工泵业有限公司 | High-pressure magnetic pump with self-cooling function |
| CN114909297A (en) * | 2022-04-18 | 2022-08-16 | 安徽南方化工泵业有限公司 | High-flow fluoroplastic magnetic pump |
| CN114909297B (en) * | 2022-04-18 | 2024-04-23 | 安徽南方化工泵业有限公司 | High-flow fluoroplastic magnetic pump |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |