CN109372793A - A kind of electric pump with blade wheel structure easy to disassemble - Google Patents
A kind of electric pump with blade wheel structure easy to disassemble Download PDFInfo
- Publication number
- CN109372793A CN109372793A CN201811351868.0A CN201811351868A CN109372793A CN 109372793 A CN109372793 A CN 109372793A CN 201811351868 A CN201811351868 A CN 201811351868A CN 109372793 A CN109372793 A CN 109372793A
- Authority
- CN
- China
- Prior art keywords
- impeller
- transmission shaft
- electric pump
- cover
- section
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- 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
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
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 electric pumps with blade wheel structure easy to disassemble, belong to electric pump technical field, including electric pump body, it is provided in the electric pump body by transmission shaft motor-driven in electric pump body, the transmission shaft is arranged with impeller far from one end of motor, the impeller includes inserting lid, impeller lantern ring, the blade being arranged on impeller lantern ring, and the inside of the impeller lantern ring is along the circumferential direction equipped with to central axis at least one L shape convex key outstanding；The transmission shaft is equipped with the L shape keyway with numbers such as L shape convex keys on one end circumferencial direction for be provided with impeller；The slotting lid includes cover compatible with transmission shaft end surface and along cover circumferencial direction and the insertion section that is integrally moulded into cover, and the impeller lantern ring is inserted lid and is successively fastened on transmission shaft in succession by L shape convex key, L shape keyway.The present invention can easily dismantle impeller, install, and stable structure is reliable, can be good at the active force of transmission shaft passing to impeller, effectively prevent the waste of active force.
Description
Technical field
The present invention relates to electric pump technical fields, are a kind of electric pumps with blade wheel structure easy to disassemble 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 key
Slot or screw thread are fixed, and this connection structure is relatively simple, and cannot transmit motor-driven rotatable shaft well in rotation
When the active force that generates, the imagination that will cause loosening is used for a long time.
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 electric pumps with blade wheel structure easy to disassemble, realize dismountable function,
Have the effect of easy to disassemble, solid and reliable, energy transmitting forces well.
The present invention is achieved through the following technical solutions:
A kind of electric pump with blade wheel structure easy to disassemble, including electric pump body are provided in the electric pump body by electric in electric pump body
The transmission shaft of machine driving, the transmission shaft are arranged with impeller far from one end of motor, and the impeller includes inserting lid, being set in transmission
Impeller lantern ring on axis, the blade being arranged on impeller lantern ring, the inside of the impeller lantern ring is along the circumferential direction equipped with to center
Axis at least one L shape convex key outstanding, the L shape convex key are vertical with first straight line section and vertical with first straight line section first
Section；The transmission shaft is equipped with the L shape keyway with numbers such as L shape convex keys, the L shape key on one end circumferencial direction for be provided with impeller
Slot has second straight line section and the second vertical section, and the circumferential width of the first straight line section is second straight line section circumferencial direction
The 1/2 of width, the circumferential width of first vertical section are the 1/2 of the second vertical section circumferential width, described first
The circumferential width of vertical section is equal with the circumferential width of second straight line section；It is described it is slotting lid include and transmission shaft end surface phase
The cover of adaptation and along cover circumferencial direction and the insertion section that is integrally moulded into cover, the number such as the insertion section and L shape keyway is set
It sets, the circumferential width of the insertion section is equal with the first straight line section circumferential width of L shape convex key, and the cover passes through
Fixation member is fixedly connected with transmission shaft；The insertion section, first straight line section, second straight line section axial length be equal；Institute
State impeller lantern ring, slotting lid is successively fastened on transmission shaft in succession by L shape convex key, L shape keyway.
In order to preferably realize the present invention, further, the insertion section is equipped with and L shape keyway mistake close to one end of cover
It is full of the interference fit section of cooperation.
In order to preferably realize the present invention, further, it is additionally provided on the cover circumferencial direction in block-like several convex
Rise or protrusion annular in shape.
In order to preferably realize the present invention, further, the secure component includes fastening bolt and is set in fastening spiral shell
Washer on bolt, the cover are equipped with the tapped through hole to match with fastening bolt, transmission shaft one end corresponding with cover
End face is equipped with threaded hole corresponding with tapped through hole.
In order to preferably realize the present invention, further, transmission shaft one end corresponding with cover is equipped with and axially extends
Extension, be equipped with the covering part to match with extension on the inside of the cover.
In order to preferably realize the present invention, further, the insertion section is equipped with 3.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention by setting the L shape convex key on the inside of blade lantern ring, be arranged on transmission shaft L shape keyway, insert lid and
Blade lantern ring is set on transmission shaft and is embedded into L shape keyway by L shape convex key by fixation member, while inserting slotting lid
Enter portion to be inserted between L shape keyway and L shape convex key, then fastened by fixation member and insert lid to prevent mutual loosening, leads to
It crosses and cooperates with inlay card layer by layer to avoid impeller in the movement of axial direction, radial direction and circumferencial direction, reach solid and reliable effect
Fruit, while the active force of transmission shaft generation can be preferably transmitted, it is easy for removal and installation；It simultaneously can be to transmission by inserting lid
Axis is protected, and is prolonged its service life.
(2) the cooperation section really up to the mark of the invention by being arranged in insertion section, while insertion section is inserted into L shape keyway,
The tautness of impeller and transmission shaft can be further increased, then is fixed by fixation member, is achieved the effect that solid and reliable.
(3) present invention is in block-like protrusion or protrusion annular in shape by what is be arranged in cover circumferencial direction, convenient for passing through
The common extracting tool such as pliers is dismantled, more convenient.
Detailed description of the invention
Fig. 1 is electric pump body structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of impeller and transmission shaft of the invention；
Fig. 3 is the sectional view of impeller lantern ring of the invention；
The sectional view of the position Fig. 4 transmission shaft of the invention.
Wherein: 1- motor；2- transmission shaft；21-L shape keyway；22- extension；23- threaded hole；The second vertical component effect of 24-；25-
Second straight line section；3- impeller；4- impeller lantern ring；41-L shape convex key；42- first straight line section；The first vertical section of 43-；5- blade；6-
Fixation member；61- fastening bolt；62- washer；7- inserts lid；71- protrusion；72- cover；73- interference fit section；The insertion section 74-；
75- tapped through hole；76- covering part.
Specific embodiment
In conjunction with shown in attached drawing 1-4, a kind of electric pump with blade wheel structure easy to disassemble, including electric pump body, the electric pump body
It is inside provided with the transmission shaft 2 driven by motor 1 in electric pump body, the transmission shaft 2 is arranged with impeller 3 far from one end of motor 1,
It is characterized in that, the impeller 3 includes inserting lid 7, the impeller lantern ring 4 being set on transmission shaft 2, the leaf being arranged on impeller lantern ring 4
Piece 5, the inside of the impeller lantern ring 4 are along the circumferential direction equipped with to central axis at least one L shape convex key 41 outstanding, the L shape
Convex key 41 has first straight line section 42 and first vertical section 43 vertical with first straight line section 42；The transmission shaft 2 is being provided with
One end circumferencial direction of impeller is equipped with the L shape keyway 21 that numbers are waited with L shape convex key 41, and the L shape keyway 21 has second straight line
Section 25 and the second vertical section 24, the circumferential width of the first straight line section 42 are 25 circumferential width of second straight line section
1/2, the circumferential width of first vertical section 43 is the 1/2 of 24 circumferential width of the second vertical section, and described first hangs down
The circumferential width of straight section 43 is equal with the circumferential width of second straight line section 25；The slotting lid 7 includes and 2 end of transmission shaft
The compatible cover 72 in face and along 72 circumferencial direction of cover and the insertion section 74 that is integrally moulded into cover 72, the insertion section 74 with
The equal numbers setting of L shape keyway 21, the circumferential width of the insertion section 74 and 42 circumferencial direction of first straight line section of L shape convex key 41
Width is equal, and the cover 72 is fixedly connected by fixation member 6 with transmission shaft 2；The insertion section 72, first straight line section 42,
The axial length of second straight line section 25 is equal；The impeller lantern ring 4, slotting lid 72 pass through L shape convex key 41, L shape keyway 21 successively
It is fastened on transmission shaft 2 in succession.
The impeller lantern ring 4 of impeller is passed through into the L shape convex key 41 on the inside of it in L shape keyway 21 on transmission shaft 2, due to L
Shape convex key 41 has first straight line section 42 and the first vertical section 43, and L shape keyway 21 has second straight line section 25 and the second vertical section
24, and the circumferential width of first straight line section 42 is the 1/2 of 25 circumferential width of second straight line section, and described first is vertical
The circumferential width of section 43 is the 1/2 of 24 circumferential width of the second vertical section, the circumferencial direction of first vertical section 43
Width is equal with the circumferential width of second straight line section 25, the insertion section 72, first straight line section 42, second straight line section 25
Axial length is equal, therefore the first vertical section 43 of L shape convex key 41 can be inserted into along the second straight line section 25 of L shape keyway 21
The bottom of two vertical sections 24, by the first vertical section 43 for making L shape convex key 41 along 24 direction wheel rotor lantern ring 4 of the second vertical section
It is embedded into the second vertical section 24, there are the spaces being inserted into for the insertion section 74 for inserting lid 7 in second straight line section 25 at this time, by slotting lid
7 by insertion section 74 be inserted into second straight line section 25 there are insertion space in, then by fixation member 6 and by slotting lid 7 and transmission
The end of axis 2 is fixed, and the solid and reliable connection structure an of inlay card layer by layer is achieved；Pass through L shape convex key 41, L shape keyway
21 and slotting lid 7, impeller can be placed in the movement of axial direction, circumferencial direction and radial direction, and can be good at driving in motor 1
The active force that the rotation of transmission shaft 2 generates passes to impeller, effectively reduces the waste in active force transmittance process, while realizing can
Disassembly, easy-to-dismount effect can protect transmission shaft 2 by inserting lid 7, prolong the service life.
Further, as the preferred of different embodiments, the insertion section 74 is equipped with and L shape keyway close to one end of cover
The interference fit section 73 of 21 interference fits.
By the interference fit section 73 of setting, when being inserted into the insertion section 74 of slotting lid 7 close to interference fit section 73,
Then further slotting lid 7 is inserted into L shape keyway 21, realizes the card of the second straight line section 25 of insertion section 74 and L shape keyway 21
Tightly, the fastening of insertion section 74 and L shape keyway 21 and L shape convex key 41 can be further improved, stability is improved.
Further, it as the preferred of different embodiments, is additionally provided on the cover circumferencial direction in block-like several convex
Play 71 or protrusion 71 annular in shape.
By being arranged in block-like several raised 71 or protrusion 71 annular in shape, convenient for dismantling work with more typical pliers etc.
Tool is dismantled.
Further, as the preferred of different embodiments, the secure component includes fastening bolt 61 and is set in fastening
Washer 62 on bolt 61, the cover are equipped with the tapped through hole 75 to match with fastening bolt 61, the transmission shaft 2 and cover
Corresponding one end end face is equipped with threaded hole 23 corresponding with tapped through hole 75.
By fastening bolt 61 and this more common, the more typical fastening means of washer 62, it can be convenient and slotting lid 7 is carried out
Fixed and disassembly, also reduces use cost while realizing higher stability.
Further, as the preferred of different embodiments, described one end corresponding with cover of transmission shaft 2 is equipped with and axially extends
Extension 22, be equipped with the covering part 76 to match with extension 22 on the inside of the cover.
Transmission shaft 2 can be subjected to further protection by setting extension 22 and covering part 76 by slotting lid 7, avoided in length
The service life of effective limited extension transmission shaft 2 is capable of in the abrasion that transmission shaft 2 generates when phase uses.
Further, as the preferred of different embodiments, the insertion section 74 is equipped with 3.
3 insertion sections 74 were not only beautiful but also reasonable in topology layout, by also having ensured topology requirement.
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 electric pump with blade wheel structure easy to disassemble, including electric pump body, it is provided in the electric pump body by electric pump body
The transmission shaft (2) of motor (1) driving, the transmission shaft (2) are arranged with impeller (3) far from the one end of motor (1), and feature exists
In the impeller (3) includes inserting lid (7), the impeller lantern ring (4) being set on transmission shaft (2), being arranged on impeller lantern ring (4)
Blade (5), the inside of the impeller lantern ring (4) is along the circumferential direction equipped with to central axis at least one L shape convex key outstanding
(41), the L shape convex key (41) has first straight line section (42) and first vertical section (43) vertical with first straight line section (42)；
The transmission shaft (2) is equipped with the L shape keyway (21) with numbers such as L shape convex keys (41) on one end circumferencial direction for be provided with impeller,
The L shape keyway (21) has second straight line section (25) and the second vertical section (24), the circumference side of the first straight line section (42)
To 1/2 that width is second straight line section (25) circumferential width, the circumferential width of first vertical section (43) is the
The 1/2 of two vertical sections (24) circumferential width, the circumferential width and second straight line section of first vertical section (43)
(25) circumferential width is equal；The slotting lid (7) includes cover (72) compatible with transmission shaft (2) end face and along cover
(72) circumferencial direction and the insertion section (74) being integrally moulded into cover (72), the number such as the insertion section (74) and L shape keyway (21)
Setting, first straight line section (42) circumferential width phase of the circumferential width and L shape convex key (41) of the insertion section (74)
It is fixedly connected with transmission shaft (2) Deng, the cover (72) by fixation member (6)；The insertion section (72), first straight line section
(42), the axial length of second straight line section (25) is equal；The impeller lantern ring (4), slotting lid (72) pass through L shape convex key (41), L
Shape keyway (21) is successively fastened in succession on transmission shaft (2).
2. a kind of electric pump with blade wheel structure easy to disassemble according to claim 1, which is characterized in that the insertion section
(74) one end close to cover (72) is equipped with the interference fit section (73) being interference fitted with L shape keyway (21).
3. a kind of electric pump with blade wheel structure easy to disassemble according to claim 1, which is characterized in that the cover
(72) it is additionally provided on circumferencial direction in block-like several raised (71) or protrusion annular in shape (71).
4. a kind of electric pump with blade wheel structure easy to disassemble according to any one of claim 1-3, which is characterized in that
The secure component includes fastening bolt (61) and the washer (62) being set on fastening bolt (61), is set on the cover (72)
There is the tapped through hole (75) to match with fastening bolt (61), the transmission shaft (2) one end corresponding with cover (72) is set on end face
There is threaded hole (23) corresponding with tapped through hole (75).
5. a kind of electric pump with blade wheel structure easy to disassemble according to any one of claim 1-3, which is characterized in that
Described transmission shaft (2) one end corresponding with cover (72) is equipped with the extension (22) axially extended, sets on the inside of the cover (72)
There is the covering part (76) to match with extension (22).
6. a kind of electric pump with blade wheel structure easy to disassemble according to any one of claim 1-3, which is characterized in that
The insertion section (74) is equipped with 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351868.0A CN109372793A (en) | 2018-11-14 | 2018-11-14 | A kind of electric pump with blade wheel structure easy to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811351868.0A CN109372793A (en) | 2018-11-14 | 2018-11-14 | A kind of electric pump with blade wheel structure easy to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372793A true CN109372793A (en) | 2019-02-22 |
Family
ID=65384723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811351868.0A Pending CN109372793A (en) | 2018-11-14 | 2018-11-14 | A kind of electric pump with blade wheel structure easy to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294353A (en) * | 2020-02-24 | 2021-08-24 | 青岛海尔空调器有限总公司 | Cross flow fan and air conditioner |
-
2018
- 2018-11-14 CN CN201811351868.0A patent/CN109372793A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294353A (en) * | 2020-02-24 | 2021-08-24 | 青岛海尔空调器有限总公司 | Cross flow fan and air conditioner |
| CN113294353B (en) * | 2020-02-24 | 2022-09-02 | 青岛海尔空调器有限总公司 | Cross flow fan and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190222 |
|
| WD01 | Invention patent application deemed withdrawn after publication |