CN113027823A - Easily-disassembled and split-assembled vortex type air pump - Google Patents
Easily-disassembled and split-assembled vortex type air pump Download PDFInfo
- Publication number
- CN113027823A CN113027823A CN202110258427.1A CN202110258427A CN113027823A CN 113027823 A CN113027823 A CN 113027823A CN 202110258427 A CN202110258427 A CN 202110258427A CN 113027823 A CN113027823 A CN 113027823A
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- Prior art keywords
- air pump
- cover
- shell
- mounting
- bottom plate
- 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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- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an easily-disassembled and split-assembled vortex type air pump, which comprises: the power part is provided with a shell and is connected with an impeller; air inlet and outlet arranged at two sides of the power component; a front seal assembly hingedly connected to the power unit for sealing the impeller, the front seal assembly comprising: the protective cover is provided with a lock column locked with the boss; a rear cover; and a fixed mounting assembly. When the locking device is installed, the front cover and the shell are locked, the protective cover is rotated to enable the auxiliary clamping column on the locking column to be locked with the locking hole, the front cover and the protective cover are locked under the action of the limiting column, the inserting tongue and the inserting groove at the rear cover are clamped with each other, and the shell is fixed. The fixed slot on the mounting base plate is matched with the fixed station, so that the mounting base plate is locked with the bottom of the shell, and the air pump can be conveniently detached due to the fact that the front cover, the rear cover and the bottom of the shell are arranged in a detachable mode, and therefore detachment convenience is improved.
Description
Technical Field
The invention relates to the technical field of air pumps, in particular to an easily-disassembled and split-assembled vortex type air pump.
Background
The impeller of the vortex air pump consists of a plurality of blades, and is similar to the impeller of a large gas turbine. The air in the middle of the impeller blades is subjected to centrifugal forces and moves towards the edge of the impeller where it enters the annular cavity of the pump body and is recirculated in the same manner from the beginning of the blades. The circulating air flow generated by the rotation of the impeller leaves the air pump with extremely high energy for use.
The existing fan is arranged in an integrated mode, when a fault occurs, the fan needs to be disassembled for a long time, and the efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the invention provides an easily-detachable and separable assembled vortex type air pump which has the advantage of convenience in detachment.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an easily detachable and separable assembled scroll air pump, comprising:
the power part is provided with a shell and is connected with an impeller;
air inlets and air outlets arranged at two sides of the power component;
a forward seal assembly hingedly connected to the power component for sealing the impeller, the forward seal assembly comprising: the protective cover is rotationally connected with the front cover, a boss is arranged on the inner wall side of the front cover, and a lock column locked with the boss is arranged on the protective cover;
a rear cover disposed opposite the front seal assembly for sealing a rear end of the power component; and the number of the first and second groups,
the activity sets up the fixed mounting subassembly of casing bottom, the fixed mounting subassembly includes: the device comprises an installation bottom plate, a fixing groove positioned on the installation bottom plate, a fixing platform matched with the fixing groove and a driving device.
When the technical scheme is realized, the front cover is locked with the shell, the protective cover is rotated to lock the auxiliary clamping column on the locking column with the locking hole, and the front cover is locked with the protective cover under the action of the limiting column, so that the front cover is fixed; furthermore, the inserting tongue at the rear cover is mutually clamped with the inserting groove, and the rear cover is fixed with the shell through the threaded hole; finally, the fixing groove on the mounting bottom plate is matched with the fixing table, so that the mounting bottom plate is locked with the bottom of the shell, and one side of the shell can be fixed by the movable fastening table; the driving device enables the mounting bottom plate to further clamp and fix two sides of the shell, so that the mounting and fixing of the whole air pump are realized; when the air pump is detached, the air pump can be detached conveniently and fast due to the fact that the front cover, the rear cover and the bottom of the shell are arranged in a detachable mode, and therefore detachment convenience is improved.
As a preferable scheme of the invention, the rear side of the front cover is hinged with the power part, and a locking assembly is arranged on one side far away from the hinged side of the front cover; the locking assembly comprises: the clamping device comprises a clamping column and a clamping groove clamped with the clamping column, wherein the clamping column is arranged on the front cover, and an auxiliary block is arranged on one side of the clamping column; the clamping groove is formed in the power component.
According to the technical scheme, the clamping column is clamped in the clamping groove, and the front cover and the power part are locked and fixed.
As a preferable scheme of the invention, the boss is provided with a hollow part, and one side of the hollow part is provided with a locking hole; the lock post is provided with an auxiliary clamping post clamped with the locking hole; and the protective cover is provided with a limiting column for preventing the auxiliary clamping column from moving.
According to the technical scheme, the limiting column is used for fixing the auxiliary clamping column, so that the protective cover is better locked and fixed.
As a preferable scheme of the present invention, an elastic member for automatically pushing out the auxiliary locking post is disposed in the locking hole, and one end of the elastic member is fixedly mounted in the locking hole.
According to the technical scheme, the elastic piece is used for separating the auxiliary clamping column from the locking hole, so that the disassembly convenience is improved.
As a preferable aspect of the present invention, a locking assembly is provided on the rear cover, the locking assembly including: the plug tongue and the slot matched with the plug tongue; the tongue is arranged on the inner wall side of the rear cover, and the slot is arranged at the rear end of the power component.
According to the technical scheme, the insertion tongue is matched with the insertion groove, and the rear cover is fixedly locked with the power part.
As a preferable scheme of the invention, the rear cover is further provided with a threaded hole for riveting, and the threaded hole is arranged opposite to the locking component.
According to the technical scheme, the threaded hole is used for riveting and fixing the rear cover.
As a preferable aspect of the present invention, the mounting baseplate includes: the mounting structure comprises a first mounting bottom plate and a second mounting bottom plate movably connected with the first mounting bottom plate, wherein a movable fastening platform is arranged on one side of the first mounting bottom plate and one side of the second mounting bottom; the fixing groove is formed in the first mounting bottom plate, and the fixing table is located at the bottom of the shell; the driving device is arranged on one side of the second mounting base plate.
According to the technical scheme, the mounting base plate and the shell are mutually locked by the movable fastening platform, so that the shell is fixed.
In conclusion, the invention has the following beneficial effects:
an easily detachable and separable assembled scroll air pump, comprising: the power part is provided with a shell and is connected with an impeller; air inlets and air outlets arranged at two sides of the power component; a forward seal assembly hingedly connected to the power component for sealing the impeller, the forward seal assembly comprising: the protective cover is rotationally connected with the front cover, a boss is arranged on the inner wall side of the front cover, and a lock column locked with the boss is arranged on the protective cover; a rear cover disposed opposite the front seal assembly for sealing a rear end of the power component; and the fixed mounting assembly is movably arranged at the bottom of the shell.
When the lock is installed, the front cover is locked with the shell, the protective cover is rotated to enable the auxiliary clamping column on the lock column to be locked with the locking hole, and the front cover and the protective cover are locked under the action of the limiting column, so that the front cover is fixed; furthermore, the inserting tongue at the rear cover is mutually clamped with the inserting groove, and the rear cover is fixed with the shell through the threaded hole; finally, the fixing groove on the first mounting bottom plate is matched with the fixing table, so that the mounting bottom plate can be locked with the bottom of the shell, and the movable fastening table is driven to move downwards through the screw, so that one side of the shell can be fixed by the movable fastening table; under the action of the driving device, the second mounting bottom plate moves towards the first mounting bottom plate, so that two sides of the shell are clamped and fixed, and the mounting and fixing of the whole air pump are realized; when the air pump is detached, the air pump can be detached conveniently and fast due to the fact that the front cover, the rear cover and the bottom of the shell are arranged in a detachable mode, and therefore detachment convenience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic structural diagram of the front cover of the present invention.
Fig. 3 is a schematic structural diagram of the rear cover of the present invention.
Fig. 4 is a schematic structural view of the bottom of the housing of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a power component; 2. a housing; 3. an impeller; 4. an air inlet and an air outlet; 5. a front cover; 6. a protective cover; 7. a boss; 8. a lock cylinder; 9. a rear cover; 10. fixing grooves; 11. a fixed table; 12. a drive device; 13. clamping the column; 14. a card slot; 15. a locking hole; 16. an auxiliary clamping column; 17. a limiting column; 18. an elastic member; 19. inserting a tongue; 20. a slot; 21. a threaded hole; 22. a first mounting baseplate; 23. a second mounting baseplate; 24. a movable fastening table.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
An easily detachable and separable assembled scroll air pump, as shown in fig. 1 to 4, includes: the power component 1 is provided with a shell 2, and the power component 1 is connected with an impeller 3; air inlet and outlet 4 arranged at two sides of the power component 1; a front seal assembly hinged to the power unit 1 for sealing the impeller 3, the front seal assembly comprising: the protective cover comprises a front cover 5 and a protective cover 6 rotationally connected with the front cover 5, wherein a boss 7 is arranged on the inner wall side of the front cover 5, and a lock column 8 locked with the boss 7 is arranged on the protective cover 6; a rear cover 9 arranged opposite to the front seal assembly for sealing the rear end of the power unit 1; and, the fixed mounting assembly includes: the mounting device comprises a mounting bottom plate, a fixing groove 10 positioned on the mounting bottom plate, a fixing platform 11 matched with the fixing groove 10, and a driving device 12.
Specifically, the rear side of the front cover 5 is hinged with the power part 1, and a locking assembly is arranged on one side far away from the hinged side of the front cover 5; the locking assembly comprises: the clamping device comprises a clamping column 13 and a clamping groove 14 clamped with the clamping column 13, wherein the clamping column 13 is arranged on the front cover 5, and an auxiliary block is arranged on one side of the clamping column 13; the card slot 14 opens on the power unit 1. Through the connection of the hinged side of the rear side of the front cover 5, the clamping column 13 and the clamping groove 14 are fixed, and therefore the front cover 5 and the power component 1 are fixedly installed.
The boss 7 is provided with a hollow part, and one side of the hollow part is provided with a locking hole 15; the lock column 8 is provided with an auxiliary clamping column 16 which is clamped with the locking hole 15; the protective cover 6 is provided with a limiting column 17 for preventing the auxiliary clamping column 16 from moving. Through the effect of spacing post 17, it is fixed mutually with protecgulum 5 and visor 6, provide convenient for the dismantlement of protecgulum 5 department.
An elastic member 18 for automatically pushing out the auxiliary clamping column 1613 is arranged in the locking hole 15, and one end of the elastic member 18 is fixedly arranged in the locking hole 15. When the limiting column 17 is withdrawn, the auxiliary clamping column 16 can be automatically withdrawn from the locking hole 15 under the action of the elastic piece 18, and convenience in the disassembling process is improved.
Further, be equipped with locking Assembly on the back lid 9, locking Assembly includes: the inserting tongue 19 and the inserting groove 20 matched with the inserting tongue 19; a tongue 19 is provided on the inner wall side of the rear cover 9, and a slot 20 is provided at the rear end of the power unit 1. The one side of the rear cover 9 is fixed with the rear side of the housing 2 by the locking of the insertion tongue 19 and the insertion groove 20.
The rear cover 9 is also provided with a threaded hole 21 for riveting, and the threaded hole 21 is opposite to the locking component. The rear cover 9 is locked and fixed with the shell 2 through screws.
The mounting baseplate includes: the mounting structure comprises a first mounting bottom plate 22 and a second mounting bottom plate 23 movably connected with the first mounting bottom plate 22, wherein a movable fastening table 24 is arranged on one side of the first mounting bottom plate 22 and one side of the second mounting bottom plate; the fixing groove 10 is arranged on the first mounting bottom plate 22, and the fixing platform 11 is positioned at the bottom of the shell 2; the driving device 12 is disposed at one side of the second mounting baseplate 23. The movable fastening platforms 24 are respectively arranged on the first installation bottom plate 22 and the second installation bottom plate 23 in a sliding mode, the installation bottom plates are fixed with the bottom of the shell 2 through screws, and after the first installation bottom plate 22 is fixed, the second installation bottom plate 23 is fixed under the action of the driving device 12; the arc department of 2 bottoms on casing avoids the vibrations that the air pump produced at the in-process of operation through damping device to improve the efficiency of air pump operation.
When the device is installed, the front cover 5 is locked with the shell 2, the protective cover 6 is rotated to lock the auxiliary clamping column 1613 on the locking column 8 with the locking hole 15, and the front cover 5 is locked with the protective cover 6 under the action of the limiting column 17, so that the front cover 5 is fixed; furthermore, the inserting tongue 19 at the rear cover 9 is mutually clamped with the inserting groove 20, and the rear cover 9 is fixed with the shell 2 through the threaded hole 21; finally, the fixing groove 10 on the first mounting base plate 22 is matched with the fixing platform 11, so that the mounting base plate can be locked with the bottom of the shell 2, and the movable fastening platform 24 is driven to move downwards through a screw, so that the movable fastening platform 24 can fix one side of the shell 2; under the action of the driving device 12, the second mounting base plate 23 moves towards the first mounting base plate 22, so that the two sides of the shell 2 are clamped and fixed, and the mounting and fixing of the whole air pump are realized; when the disassembly is carried out, the air pump can be conveniently disassembled due to the fact that the front cover 5, the rear cover 9 and the bottom of the shell 2 are arranged in a split mode, and therefore the disassembly convenience is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides an easy components of a whole that can function independently assembled vortex formula air pump which characterized in that includes:
the power part is provided with a shell and is connected with an impeller;
air inlets and air outlets arranged at two sides of the power component;
a forward seal assembly hingedly connected to the power component for sealing the impeller, the forward seal assembly comprising: the protective cover is rotationally connected with the front cover, a boss is arranged on the inner wall side of the front cover, and a lock column locked with the boss is arranged on the protective cover;
a rear cover disposed opposite the front seal assembly for sealing a rear end of the power component; and the number of the first and second groups,
the activity sets up the fixed mounting subassembly of casing bottom, the fixed mounting subassembly includes: the device comprises an installation bottom plate, a fixing groove positioned on the installation bottom plate, a fixing platform matched with the fixing groove and a driving device.
2. The vortex type air pump easy to disassemble and assemble in a split manner as claimed in claim 1, wherein the rear side of the front cover is hinged to the power part, and a locking assembly is arranged on one side away from the hinged side of the front cover; the locking assembly comprises: the clamping device comprises a clamping column and a clamping groove clamped with the clamping column, wherein the clamping column is arranged on the front cover, and an auxiliary block is arranged on one side of the clamping column; the clamping groove is formed in the power component.
3. The vortex type air pump easy to disassemble and assemble as claimed in claim 1, wherein the boss is provided with a hollow portion, and one side of the hollow portion is provided with a locking hole; the lock post is provided with an auxiliary clamping post clamped with the locking hole; and the protective cover is provided with a limiting column for preventing the auxiliary clamping column from moving.
4. The vortex type air pump easy to disassemble and assemble as claimed in claim 1 or 3, wherein an elastic member for automatically pushing out the auxiliary clamping column is arranged in the locking hole, and one end of the elastic member is fixedly installed in the locking hole.
5. The vortex type air pump easy to disassemble and assemble as claimed in claim 1, wherein a locking assembly is provided on the rear cover, the locking assembly comprising: the plug tongue and the slot matched with the plug tongue; the tongue is arranged on the inner wall side of the rear cover, and the slot is arranged at the rear end of the power component.
6. The vortex type air pump easy to disassemble and assemble in a split mode as claimed in claim 1 or 5, wherein the rear cover is further provided with a threaded hole for riveting, and the threaded hole is arranged opposite to the locking component.
7. The easy-to-disassemble and assemble scroll type air pump of claim 1, wherein the mounting base plate comprises: the mounting structure comprises a first mounting bottom plate and a second mounting bottom plate movably connected with the first mounting bottom plate, wherein a movable fastening platform is arranged on one side of the first mounting bottom plate and one side of the second mounting bottom; the fixing groove is formed in the first mounting bottom plate, and the fixing table is located at the bottom of the shell; the driving device is arranged on one side of the second mounting base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258427.1A CN113027823A (en) | 2021-03-10 | 2021-03-10 | Easily-disassembled and split-assembled vortex type air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110258427.1A CN113027823A (en) | 2021-03-10 | 2021-03-10 | Easily-disassembled and split-assembled vortex type air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113027823A true CN113027823A (en) | 2021-06-25 |
Family
ID=76468872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110258427.1A Pending CN113027823A (en) | 2021-03-10 | 2021-03-10 | Easily-disassembled and split-assembled vortex type air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113027823A (en) |
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| EP1930601A2 (en) * | 2006-12-06 | 2008-06-11 | LN 2 S.R.L. a socio unico | Fan casing for use in extractor hoods |
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| CN207879675U (en) * | 2017-12-18 | 2018-09-18 | 吴欢 | A kind of pump housing of vortex pump |
| CN208489334U (en) * | 2018-06-16 | 2019-02-12 | 湖北中医药高等专科学校 | A kind of batteries of electric automobile radiator fan fixing structure |
| CN208904322U (en) * | 2018-09-26 | 2019-05-24 | 宁波市凯瑞梅特汽配工业有限公司 | A kind of attachment device that installation is firm |
| CN110513306A (en) * | 2019-08-02 | 2019-11-29 | 烟台菱辰能源有限公司 | A kind of hydrogen circulating pump with ice-breaking function |
| US20200018315A1 (en) * | 2017-03-03 | 2020-01-16 | Varisco S.r.l. | Centrifugal pump and method of adjusting the distance of the wear plate from the impeller of a centrifugal pump |
| CN210371271U (en) * | 2019-08-12 | 2020-04-21 | 浙江亚士霸电机有限公司 | One-way air supply non-return type vortex fan |
| CN210919462U (en) * | 2019-10-29 | 2020-07-03 | 石家庄石一泵业有限公司 | Anti-blocking type slurry pump |
| CN211550049U (en) * | 2020-01-17 | 2020-09-22 | 浙江威邦机电科技有限公司 | Electric air pump |
| CN111765107A (en) * | 2020-06-24 | 2020-10-13 | 河南驼人贝斯特医疗器械有限公司 | Novel air supply device |
-
2021
- 2021-03-10 CN CN202110258427.1A patent/CN113027823A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1601113A (en) * | 2003-09-26 | 2005-03-30 | M·米勒电气有限责任公司 | Side channel compressor |
| EP1930601A2 (en) * | 2006-12-06 | 2008-06-11 | LN 2 S.R.L. a socio unico | Fan casing for use in extractor hoods |
| US20200018315A1 (en) * | 2017-03-03 | 2020-01-16 | Varisco S.r.l. | Centrifugal pump and method of adjusting the distance of the wear plate from the impeller of a centrifugal pump |
| CN206636797U (en) * | 2017-04-06 | 2017-11-14 | 天津天泵机械制造有限公司 | A kind of shock-absorbing fixing device of centrifugal pump |
| CN207879675U (en) * | 2017-12-18 | 2018-09-18 | 吴欢 | A kind of pump housing of vortex pump |
| CN208489334U (en) * | 2018-06-16 | 2019-02-12 | 湖北中医药高等专科学校 | A kind of batteries of electric automobile radiator fan fixing structure |
| CN208904322U (en) * | 2018-09-26 | 2019-05-24 | 宁波市凯瑞梅特汽配工业有限公司 | A kind of attachment device that installation is firm |
| CN110513306A (en) * | 2019-08-02 | 2019-11-29 | 烟台菱辰能源有限公司 | A kind of hydrogen circulating pump with ice-breaking function |
| CN210371271U (en) * | 2019-08-12 | 2020-04-21 | 浙江亚士霸电机有限公司 | One-way air supply non-return type vortex fan |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |