CN109139540A - A kind of dismountable electric pump of impeller - Google Patents
A kind of dismountable electric pump of impeller Download PDFInfo
- Publication number
- CN109139540A CN109139540A CN201811105732.1A CN201811105732A CN109139540A CN 109139540 A CN109139540 A CN 109139540A CN 201811105732 A CN201811105732 A CN 201811105732A CN 109139540 A CN109139540 A CN 109139540A
- Authority
- CN
- China
- Prior art keywords
- impeller
- convex key
- keyway
- lantern ring
- electric pump
- 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.)
- Withdrawn
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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
- F04D13/0606—Canned motor 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
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of dismountable electric pumps of impeller, belong to electric pump technical field, including electric pump body, it is provided in the electric pump body by the intracorporal motor-driven transmission shaft of electric pump, the transmission shaft is arranged with impeller far from one end of motor, the impeller includes gland, the impeller lantern ring being set on transmission shaft and the blade being arranged on impeller lantern ring, be respectively equipped in the opposite sides of the inner surface of the impeller lantern ring axially through the first keyway, with the first keyway the first convex key disposed in parallel, the axial length of first convex key is less than the axial length of impeller lantern ring, and first convex key impeller lantern ring is set close to one end of motor.The present invention is realized by locking device and is fixedly connected with gland with transmission shaft, while can prevent from generating relative motion between transmission shaft and impeller lantern ring, so that firm effect is more preferable, can preferably transmit rotary action power, convenient disassembly.
Description
Technical field
The present invention relates to electric pump technical fields, are a kind of dismountable electric pumps of impeller specifically.
Background technique
Electric pump is the machinery for conveying liquid or being pressurized liquid.It transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc., and the impeller of electric pump is more crucial during conveying different liquids.The impeller of electric pump and the fixed form of shaft have more
Weight, one is being set in shaft by the way of being simply interference fitted, the impeller of this mode is being used for a long time and can generate
It becomes large-sized, generates loose phenomenon, when wheel rotation is easy to produce noise or causes to scratch to the inner sidewall of pump housing inner cavity；It is a kind of
It is in the way of welding, this mode dismantles inconvenience, is unfavorable for maintenance dismounting, inconvenient for use；There are also one is use one
A key, slot or screw thread are fixed, and this connection structure is relatively simple, and cannot transmit motor driven well in rotation
The imagination that will cause loosening is used for a long time in the active force generated when shaft.
The prior art: it is dismountable that a kind of impeller is disclosed in the Chinese patent document of Patent No. 201320194110.7
Auto pump, including the pump housing, the pump housing are equipped with pump housing inner cavity, intracavitary in the pump housing to be equipped with water seal arrangement, described
The isolation of pump housing inner cavity is in impeller cavity and belt pulley chamber by water seal arrangement, and the pump housing inner cavity, which is equipped with, runs through impeller cavity and belt pulley
The shaft of chamber, one end that the shaft is located at impeller cavity are equipped with impeller, and the pump housing is equipped with the stream being connected to impeller cavity
Body channel, the impeller include impeller lantern ring and the blade that is arranged on impeller lantern ring, are set on the impeller lantern ring inner sidewall
There is keyway, the impeller set ring set is located at one end of shaft, sets on the shaft and the lateral wall at impeller lantern ring cooperation
There are the convex key of embeddable keyway, one end pulley apparatus of the shaft far from impeller.The dismountable auto pump of its impeller
Impeller by the way of convex key and keyway with shaft installation cooperate, it is convenient for disassembly and assembly, at the same fixation it is stronger.
The water pump vane is to be connect by peripherally disposed convex key and keyway with shaft, is only capable of limitation impeller in axis
Upward movement, and its keyway is setting in inner surface, and there is no the spaces for convex key insertion, and installation is inconvenient, cannot be very
It is good that the active force that shaft generates is passed into impeller.
Summary of the invention
The purpose of the present invention is to provide a kind of dismountable electric pump of impeller, realize it is dismountable simultaneously can be preferable
The function being fixed has the effect of convenient disassembly, solid and reliable, preferable transmitting transmission shaft active force.
The present invention is achieved through the following technical solutions:
A kind of dismountable electric pump of impeller, including electric pump body are provided in the electric pump body intracorporal motor-driven by electric pump
Transmission shaft, the transmission shaft are arranged with impeller far from one end of motor, and the impeller includes gland, the leaf that is set on transmission shaft
Wheel lantern ring and the blade that is arranged on impeller lantern ring are respectively equipped with axial direction in the opposite sides of the inner surface of the impeller lantern ring
The axial length of first keyway of perforation and the first keyway the first convex key disposed in parallel, first convex key is less than impeller set
The axial length of ring, and impeller lantern ring is arranged in close to one end of motor in the first convex key；The transmission shaft is being provided with impeller
The opposite sides of one end periphery is respectively equipped with the second keyway compatible with the first convex key, compatible with the first keyway second
The axial length of convex key, second convex key is equal with the axial length of the first convex key；The axial length of second keyway with
The axial length of first keyway is equal；The axial length of second keyway is greater than the axial length of the first convex key；Described second
It is respectively constituted between the top of convex key and the upper end of the first keyway and between the upper end of the second keyway and the top of the first convex key
There is insertion groove；What the bottom both ends of the gland were respectively perpendicular is provided with insertion section, and two insertion sections are inserted into two respectively
In a insertion groove, and the first convex key and the second convex key are pushed against respectively；The gland is detachably connected by locking device with transmission shaft
It connects.
In order to preferably realize the present invention, further, the locking device includes caging bolt, washer, the transmission
The top section of axis is equipped with threaded hole, and the caging bolt sequentially passes through washer, gland and protrudes into threaded hole, the limit
Bolt is matched with gland, threaded hole screw thread respectively.
In order to preferably realize the present invention, further, the gland is equipped with along axial edge and to radially extending
Disassembly protrusion.
In order to preferably realize the present invention, further, the gland is integrally moulded with disassembly protrusion, two insertion sections
At.
In order to preferably realize the present invention, further, the diameter of the gland is equal to the outer diameter of impeller lantern ring.
In order to preferably realize the present invention, further, the length of the insertion section and the height of insertion groove are equal.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention by be arranged on the inside of impeller lantern ring the first convex key, the first keyway and be arranged on transmission shaft second
Convex key, the second keyway, the first keyway is mutually chimeric with the second convex key, and the first convex key is mutually chimeric with the second keyway, can preferably by
The active force of transmission shaft passes to impeller；It is inserted in the insertion groove of composition by two insertion sections of gland, and passes through locking
Gland is fixedly connected by device realization with transmission shaft, while can prevent from generating relative motion between transmission shaft and impeller lantern ring,
So that firm effect is more preferable, convenient disassembly.
(2) present invention is convenient to dismantle to gland by the way that disassembly protrusion is arranged on gland, simple and practical.
(3) present invention can protect end part of driving shaft, have by the way that the gland equal with impeller lantern ring outer diameter is arranged
Effect avoids end part of driving shaft and generates abrasion after long-term use, extends service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of invention；
Fig. 2 is the connection structure diagram of impeller lantern ring and transmission shaft of the invention；
Fig. 3 is the sectional view of transmission shaft of the invention；
Fig. 4 is the sectional view of impeller lantern ring of the invention；
Cross-sectional view of the structure when Fig. 5 is installation of the invention.
Wherein: 1- electric pump body；2- motor；3- impeller；4- impeller lantern ring；5- blade；6- gland；7- caging bolt；8- pad
Circle；9- disassembly protrusion；The insertion section 10-；The first convex key of 11-；The first keyway of 12-；The second keyway of 13-；The second convex key of 14-；15- is inserted
Enter slot；16- threaded hole；17 transmission shafts.
Specific embodiment
In conjunction with shown in attached drawing 1-5, a kind of dismountable electric pump of impeller, including electric pump body 1 is provided in the electric pump body 1
The transmission shaft 17 driven by the motor 2 in electric pump body 1, the transmission shaft 17 is arranged with impeller 3 far from one end of motor 2, described
Impeller 3 includes gland 6, the impeller lantern ring 4 being set on transmission shaft 17 and the blade 5 being arranged on impeller lantern ring 4, the leaf
Take turns be respectively equipped in the opposite sides of the inner surface of lantern ring 4 axially through the first keyway 12, be arranged in parallel with the first keyway 12
The first convex key 11, the axial length of first convex key 11 is less than the axial length of impeller lantern ring 4, and the first convex key 11 is arranged
In impeller lantern ring 4 close to one end of motor 2；The transmission shaft 17 is distinguished in the opposite sides for one end periphery for being provided with impeller
Equipped with second keyway 13 compatible with the first convex key 11, second convex key 14 compatible with the first keyway 12, described second is convex
The axial length of key 14 is equal with the axial length of the first convex key 11；The axial length of second keyway 13 and the first keyway 12
Axial length it is equal；The axial length of second keyway 13 is greater than the axial length of the first convex key 11；Second convex key
Distinguish between 14 top and the upper end of the first keyway 12 and between the upper end of the second keyway 13 and the top of the first convex key 11
Composition has insertion groove 15；What the bottom both ends of the gland 6 were respectively perpendicular is provided with insertion section 10, and two insertion sections 10 are divided
It is not inserted into two insertion grooves 15, and pushes against the first convex key 11 and the second convex key 14 respectively；The gland 6 passes through locking device
It is detachably connected with transmission shaft 17.
Implementation principle: the first convex key 11 of impeller lantern ring 4, the first keyway 12 respectively with the second keyway 13, the second convex key 14
It is mutually chimeric, axial direction rotation of the impeller lantern ring 4 relative to transmission shaft 17 can be preferably prevented in this way, and can preferably be transmitted
The rotating force that moving axis 17 exports, makes impeller entirety two sides stress reach the state to balance each other, and transmission effect is good；First
Convex key 11 is equal with the axial length of the second convex key 14, and the axial length of respectively less than the first keyway 12, the second keyway 13, when
When impeller lantern ring 4 is sleeved on transmission shaft 17, the second keyway 13 of transmission shaft 17 can right transverse movement to impeller lantern ring 4 into
Row limit, prevents right transverse movement of the impeller to transmission shaft 17；Meanwhile by the setting of the first convex key 11 and the second convex key 14,
Two insertion grooves 15 are respectively constituted with the upper end of the first keyway 12, the upper end of the second keyway 13, and two insertion sections 10 of gland 6
The top of the first convex key 11 and the second convex key 14 can be pushed against, and pass through locking device by two insertions of insertion groove 15 therefrom
Gland 6 is fixedly connected with transmission shaft 17, gland 6, impeller lantern ring 4, transmission shaft 17 are being fitted into the same of an entirety in this way
When, the left transverse movement of impeller lantern ring 4 can be prevented, so that whole enhancing connection when transmission shaft 17 rotates is firm
Property, and transmission effect is further improved, the opposite biography with existing singly-bound, the connection structure stability of single slot, active force
Passing property is improved, while being realized detachably by locking device.
When in use, the impeller lantern ring 4 of impeller is socketed on transmission shaft 17, and makes the first convex key 11 and second convex respectively
Key 14, the first keyway 12 are mutually chimeric with the second convex key 14, then two insertion sections 10 of gland 6 are respectively inserted into the two of composition
The first convex key 11, the second convex key 14 are pushed against in a insertion groove 15, is then connect gland 6 with transmission shaft 17 by locking device,
Structure is simple, practical, reasonable, easy to operate, manufacturing cost is lower.
Further, as the preferred of different embodiments, the locking device includes caging bolt 7, washer 8, the biography
The top section of moving axis 17 is equipped with threaded hole 16, and the caging bolt 7 sequentially passes through washer 8, gland 6 and protrudes into threaded hole 16
Interior, the caging bolt 7 is matched with gland 6,16 screw thread of threaded hole respectively.
Implementation principle；Using caging bolt 7, the locking device of washer 8, it can facilitate dismantled in this way, and fasten
Effect is good, and used extracting tool is also very common in life.
Further, as the preferred of different embodiments, the gland 6 is equipped with along axial edge and to radially extending
Disassembly protrusion 9.
Implementation principle: by setting disassembly protrusion 9, convenient in disassembly by commonly clamp etc. it is some can clamp tear open
Tool is unloaded to dismount gland 6, it is practical and convenient.
Further, as the preferred of different embodiments, the gland 6 is integrated with disassembly protrusion 9, two insertion sections 10
It is moulded into.
Implementation principle: the impeller lantern ring 4 that is integrally moulded into, insertion section 10, disassembly protrusion 9 make the stable structure of the entirety of gland 6
Mutually enhance.
Further, as the preferred of different embodiments, the diameter of the gland 6 is equal to the outer diameter of impeller lantern ring 4.
Implementation principle: the diameter of gland 6 is equal to the diameter of impeller lantern ring 4, so that gland 6 can when being installed together
Transmission shaft 17 is protected in the end for covering transmission shaft 17, effectively prevents 17 end of transmission shaft and generates after long-term use
Abrasion, extends service life.
Further, as the preferred of different embodiments, the length of the insertion section 10 is equal with the height of insertion groove 15.
Implementation principle: it can be improved a chimeric degree of gland 6 with impeller lantern ring 4, transmission shaft 17 in this way, further increase
Stability.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (6)
1. a kind of dismountable electric pump of impeller, including electric pump body (1), the electric pump body (1) is interior to be provided with by electric pump body (1)
The transmission shaft (17) of motor (2) driving, the transmission shaft (17) are arranged with impeller (3) far from the one end of motor (2), and feature exists
In: the impeller (3) includes gland (6), the impeller lantern ring (4) being set on transmission shaft (17) and is arranged in impeller lantern ring
(4) blade (5) on, be respectively equipped in the opposite sides of the inner surface of the impeller lantern ring (4) axially through the first keyway
(12), with the first keyway (12) first convex key (11) disposed in parallel, the axial length of first convex key (11) is less than impeller
The axial length of lantern ring (4), and the first convex key (11) setting is in one end of impeller lantern ring (4) close motor (2)；The transmission shaft
(17) compatible second keyway with the first convex key (11) is respectively equipped in the opposite sides for one end periphery for being provided with impeller
(13), with the first keyway (12) compatible second convex key (14), the axial length and the first convex key of second convex key (14)
(11) axial length is equal；The axial length of second keyway (13) is equal with the axial length of the first keyway (12)；Institute
The axial length for stating the second keyway (13) is greater than the axial length of the first convex key (11)；The top of second convex key (14) and the
It has been respectively constituted between the upper end of one keyway (12) and between the upper end of the second keyway (13) and the top of the first convex key (11)
Insertion groove (15)；What the bottom both ends of the gland (6) were respectively perpendicular is provided with insertion section (10), two insertion sections (10)
It is inserted into two insertion grooves (15) respectively, and pushes against the first convex key (11) and the second convex key (14) respectively；The gland (6) is logical
Locking device is crossed to be detachably connected with transmission shaft (17).
2. the dismountable electric pump of a kind of impeller according to claim 1, it is characterised in that: the locking device includes limit
The top section of bolt (7), washer (8), the transmission shaft (17) is equipped with threaded hole (16), and the caging bolt (7) is successively
Across washer (8), gland (6) and protrude into threaded hole (16), the caging bolt (7) respectively with gland (6), threaded hole (16)
Screw thread matches.
3. the dismountable electric pump of a kind of impeller according to claim 1, it is characterised in that: the gland (6) is equipped with edge
Axial edge and raised (9) to the disassembly that radially extends.
4. the dismountable electric pump of a kind of impeller according to claim 3, it is characterised in that: the gland (6) with disassembly
Raised (9), two insertion sections (10) are integrally moulded into.
5. the dismountable electric pump of a kind of impeller according to claim 4, it is characterised in that: the diameter etc. of the gland (6)
Outer diameter in impeller lantern ring (4).
6. the dismountable electric pump of a kind of impeller according to claim 1-5, it is characterised in that: the insertion section
(10) length is equal with the height of insertion groove (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105732.1A CN109139540A (en) | 2018-09-21 | 2018-09-21 | A kind of dismountable electric pump of impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105732.1A CN109139540A (en) | 2018-09-21 | 2018-09-21 | A kind of dismountable electric pump of impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139540A true CN109139540A (en) | 2019-01-04 |
Family
ID=64823144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811105732.1A Withdrawn CN109139540A (en) | 2018-09-21 | 2018-09-21 | A kind of dismountable electric pump of impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139540A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664477A (en) * | 2021-01-08 | 2021-04-16 | 江苏合球机械科技有限公司 | Impeller with variable blade width for water pump |
-
2018
- 2018-09-21 CN CN201811105732.1A patent/CN109139540A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664477A (en) * | 2021-01-08 | 2021-04-16 | 江苏合球机械科技有限公司 | Impeller with variable blade width for water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |
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| WW01 | Invention patent application withdrawn after publication |