CN207246025U - A kind of centrifugal electric pump - Google Patents
A kind of centrifugal electric pump Download PDFInfo
- Publication number
- CN207246025U CN207246025U CN201721292781.1U CN201721292781U CN207246025U CN 207246025 U CN207246025 U CN 207246025U CN 201721292781 U CN201721292781 U CN 201721292781U CN 207246025 U CN207246025 U CN 207246025U
- Authority
- CN
- China
- Prior art keywords
- pump case
- impeller
- transmission shaft
- centrifugal electric
- wheel body
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of centrifugal electric pump, belongs to machinery manufacturing technology field.It solves the problems such as existing centrifugal electric pump is complicated, quality weight.This centrifugal electric pump, including pump case and the transmission shaft being arranged in pump case, pump case one end is provided with bearing block, bearing is installed in bearing block, the upper end offers the inlet and liquid outlet being connected with inside pump case, side level passage is provided between inlet and liquid outlet, several disk bodies are provided with the level passage of side, impeller is both provided with each disk body, impeller includes wheel body and the blade being distributed on wheel body outer circumferential surface, wheel body is provided with matching hole at center, and the side section of wheel body has connecting shaft, there is matching thread in connecting shaft, transmission shaft is penetrated close to the end face of inlet one end in adjacent impeller, and it is connected coordinates therewith, the rear end of pump case has the collar of outwardly convex.The utility model has the advantages that simple in structure, performance is stable and light-weight.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is related to a kind of pump, more particularly to a kind of centrifugal electric pump.
Background technology
A kind of pump that operating is driven by motor of centrifugal electric pump, it drives fluid by pumping the centrifugal force that inner impeller produces
Rotation complete the conveying of fluid, be mainly made of impeller and pump case, inlet and liquid outlet, pump work offered on pump case
Liquid is sucked from inlet, then passes through the CENTRIFUGAL ACCELERATING of pump housing inner impeller so that fluid obtains the kinetic energy of bigger from pump
Go out liquid and open outflow.
Centrifugal electric pump species is various, according to the demand to power, is divided into single stage centrifugal electric pump and multistage centrifugal electricity
Pump, the multistage centrifugal pump structure on existing market is relatively simple, its transmission shaft is disposed through in the pump housing, is set on transmission shaft
Multiple impellers are equipped with, motor drives multiple impellers by transmission shaft, since transmission shaft is longer, it is necessary to set multiple bearing blocks
To support, the shortcomings of centrifugal electric pump quality is overweight, production cost is high is caused.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided a kind of simple in structure, property
The centrifugal electric pump that can stablize.
The purpose of this utility model can be realized by following technical proposal：A kind of centrifugal electric pump, including pump case and
The transmission shaft being arranged in pump case, it is characterised in that described pump case one end is provided with bearing block, is provided with the bearing block
Support transmission shaft is outwards pierced by bearing for connecting motor, the upper end offer the inlet that is connected with inside pump case with
Liquid outlet, is provided with side level passage, being provided with several on the level passage of the side can between the inlet and liquid outlet
The disk body of combination, is each both provided with impeller on the disk body, the impeller includes wheel body and is distributed in wheel body periphery
Blade on face, matching hole is provided with the wheel body center, and the side section of wheel body has axial raised connecting shaft, described
Connecting shaft on have and with the matched matching thread of matching hole, the transmission shaft penetrate phase close to the end face of inlet one end
In adjacent impeller, and it is connected coordinates therewith, the rear end of the pump case has the collar of outwardly convex, and the collar is used
In disk body end impeller against.
The technique effect of this centrifugal electric pump is：One end of transmission shaft is connected with external motor, the other end and installation
It is connected in the impeller on disk body, the impeller side section docked with transmission shaft is provided with connecting shaft, and connecting shaft is through this disk body with setting
The matching hole for the impeller being placed on next disk body is fixedly connected with, and the impeller of caudal end is set up at collar by connecting shaft, centrifugation
When formula electric pump works, motor drives transmission shaft to rotate, and transmission shaft driving multi-stage impeller synchronously operates, due to the change of pressure,
Liquid is sucked from inlet, by the acceleration of first order impeller, liquid accelerates to flow to next stage impeller by side level passage, directly
To the impeller by caudal end, then discharged through liquid outlet.
In a kind of above-mentioned centrifugal electric pump, the pump case is provided with axle sleeve close to transmission shaft input terminal side, institute
The axle sleeve inner surface stated is bonded to each other with transmission shaft surface.The generation of transmission shaft circular runout is reduced, the generation of noise is reduced, carries
The work efficiency of high motor.
In a kind of above-mentioned centrifugal electric pump, the blade is circumferentially disposed on disk body in radiation, and each leaf
Piece has triangle seamed edge.Improve the ability of blade rotation time-division water.
In a kind of above-mentioned centrifugal electric pump, tapping hole, the tapping hole edge are offered in the card of the disk body
Distribution is rotated at disk body center.The mobility of lifting fluid, avoids fluid reverse impact, causes the damage to impeller, improves pump
Overall stability.
Compared with prior art, this centrifugal electric pump changes the connection structure of traditional transmission axis and impeller, multi-stage gear
Between by the connection axis connection of itself, avoid the necessity for setting up multiple bearing blocks, have simple in structure, performance stable and
The advantages of light-weight.
Brief description of the drawings
Fig. 1 is the overall structure sectional view of this centrifugal electric pump.
Fig. 2 is the structure diagram of impeller and disk body in this centrifugal electric pump.
In figure, 1, pump case；2nd, transmission shaft；3rd, bearing block；4th, bearing；5th, inlet；6th, liquid outlet；7th, side level passage；8、
Disk body；9th, impeller；10th, wheel body；11st, blade；12nd, matching hole；13rd, connecting shaft；14th, matching thread；15th, collar；16th, axis
Set；17th, tapping hole.
Embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, this centrifugal electric pump, including pump case 1 and the transmission shaft 2 that is arranged in pump case 1, pump case 1
One end is provided with bearing block 3, and the outside bearing 4 being pierced by for connecting motor of support transmission shaft 2 is provided with bearing block 3, its
Upper end offers the inlet 5 and liquid outlet 6 being connected with inside pump case 1, and side level is provided between inlet 5 and liquid outlet 6
Passage 7, side level passage 7 on be provided with several combined disk bodies 8, be both provided with impeller 9 on each disk body 8, impeller 9 includes
Wheel body 10 and the blade 11 being distributed on 10 outer circumferential surface of wheel body, are provided with matching hole 12 at 10 center of wheel body, and wheel body 10
Side section has axial raised connecting shaft 13, has matching thread 14 matched with matching hole 12, transmission shaft 2 in connecting shaft 13
The end face of 5 one end of close inlet penetrate in adjacent impeller 9, and be connected coordinate therewith, the rear end of pump case 1 has convex
Rise collar 15, collar 15 be used for 8 end of disk body impeller 9 against.
In order to reduce the bounce of 2 radial direction of transmission shaft, pump case 1 is provided with axle sleeve 16, axle sleeve close to 2 input terminal side of transmission shaft
16 inner surfaces are bonded to each other with 2 surface of transmission shaft.
In order to improve water separation ability when blade 11 rotates, blade 11 is circumferentially disposed on disk body 8 in radiation, and each
Blade 11 has triangle seamed edge.
In order to improve the overall stability of pump, tapping hole 17 is offered in the card of disk body 8, it is revolved along 8 center of disk body
Turn distribution.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although pump case 1, transmission shaft 2, bearing block 3, bearing 4, inlet 5, liquid outlet 6, side level is used more herein
Passage 7, disk body 8, impeller 9, wheel body 10, blade 11, matching hole 12, connecting shaft 13, matching thread 14, collar 15, axle sleeve 16,
The grade term of tapping hole 17, but it does not preclude the possibility of using other terms.The use of these items is only for more easily
Describe and explain the essence of the utility model；Being construed as any one of the additional limitations is all and the utility model spirit
Disagree.
Claims (4)
1. a kind of centrifugal electric pump, including pump case（1）And it is arranged at pump case（1）Interior transmission shaft (2), it is characterised in that institute
State pump case（1）One end is provided with bearing block (3), and outside be pierced by of support transmission shaft (2) is provided with the bearing block (3) and is used for
The bearing (4) of motor is connected, the upper end offers and pump case（1）The inlet (5) that inside is connected and liquid outlet (6), institute
Side level passage (7) is provided between the inlet (5) and liquid outlet (6) stated, several are provided with side level passage (7)
Combined disk body (8), is each both provided with impeller (9), the impeller (9) includes wheel body (10) on the disk body (8)
And the blade (11) on wheel body (10) outer circumferential surface is distributed in, matching hole (12) is provided with the wheel body (10) center, and
The side section of wheel body (10) has axial raised connecting shaft (13), has in the connecting shaft (13) and matches with matching hole (12)
The matching thread (14) of conjunction, the transmission shaft (2) are penetrated in adjacent impeller (9) close to the end face of inlet (5) one end, and
It is connected and coordinates therewith, the pump case（1）Rear end there is the collar (15) of outwardly convex, the collar (15) is used for
The impeller (9) of disk body (8) end against.
A kind of 2. centrifugal electric pump according to claim 1, it is characterised in that the pump case（1）Close to transmission shaft (2)
Input terminal side is provided with axle sleeve (16), and the axle sleeve (16) inner surface is bonded to each other with transmission shaft (2) surface.
3. a kind of centrifugal electric pump according to claim 1, it is characterised in that the blade (11) is circumferential in radiation
It is arranged on disk body (8), and each blade (11) has triangle seamed edge.
4. a kind of centrifugal electric pump according to claim 1, it is characterised in that offered in the card of the disk body (8)
Tapping hole (17), the tapping hole (17) are rotated along disk body (8) center and are distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292781.1U CN207246025U (en) | 2017-10-09 | 2017-10-09 | A kind of centrifugal electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292781.1U CN207246025U (en) | 2017-10-09 | 2017-10-09 | A kind of centrifugal electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246025U true CN207246025U (en) | 2018-04-17 |
Family
ID=61890591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721292781.1U Expired - Fee Related CN207246025U (en) | 2017-10-09 | 2017-10-09 | A kind of centrifugal electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207246025U (en) |
-
2017
- 2017-10-09 CN CN201721292781.1U patent/CN207246025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20201009 |