CN209129877U - A kind of straight drive electric pump - Google Patents
A kind of straight drive electric pump Download PDFInfo
- Publication number
- CN209129877U CN209129877U CN201821721621.9U CN201821721621U CN209129877U CN 209129877 U CN209129877 U CN 209129877U CN 201821721621 U CN201821721621 U CN 201821721621U CN 209129877 U CN209129877 U CN 209129877U
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- China
- Prior art keywords
- electric pump
- wall
- pump spindle
- axis
- check valve
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Abstract
The utility model provides a kind of straight drive electric pump, stator press-loading is in casing inner wall, rotor coaxial is installed on electric pump spindle, electric pump spindle is hollow shaft, intermediate empty axis is coaxially installed in electric pump spindle, installation is equipped with spiral helicine outer leafs between intermediate sky axis outer wall and electric pump inner wall, interior outer leafs are oppositely oriented by spiral helicine intra vane in intermediate sky axis；The output end of intermediate sky axis is equipped with check valve, and the output end of intermediate sky axis and electric pump spindle is equipped with lip ring, and a circle check valve is equipped on lip ring.When electric pump spindle rotates in the forward direction, lubricating oil is pushed to oil outlet by check valve by intra vane work, check valve ends at this time, when electric pump spindle reversely rotates, lubricating oil is pushed to electric pump outlet by check valve by outer leafs work, check valve ends at this time, and electric pump spindle positive and negative rotation can export the lubricating oil in case, the not fuel-displaced problem of the work for avoiding other motor pumps from being likely to occur by phase sequence wiring error.
Description
Technical field
The utility model relates to pump field, and in particular to a kind of straight drive electric pump.
Background technique
Delivery pump currently on the market mainly has gear pump, vane pump, centrifugal pump, plunger pump, vacuum pump etc..These pumps,
Generally as independent pumping system, by by motor, shaft coupling, pump this three big component and form, or have other power sources, connection
Axis device, pump group at.Since the component of composition is more, make that its structure is complex, size is bigger than normal, manufacturing cost is higher, maintenance
Difficulty and expense are all relatively high.
Summary of the invention
In order to overcome the shortcomings in the prior art, the purpose of this utility model is to provide a kind of motor with pump integral type it is straight
Drive electric pump.
The technical solution that the utility model is taken are as follows:
It is straight to drive electric pump, including casing and it is mounted on the forward and backward end cap at casing both ends, casing inner wall is equipped with stator and turns
Son, for stator press-loading in casing inner wall, rotor coaxial is installed on electric pump spindle, and the both ends of the electric pump spindle are supported on forward and backward through bearing
End cap, the electric pump spindle are hollow shaft, which is characterized in that intermediate empty axis, installation in intermediate sky axis are coaxially installed in electric pump spindle
By spiral helicine intra vane, spiral helicine outer leafs, interior outer leafs rotation direction phase are installed between intermediate sky axis outer wall and electric pump inner wall
Instead；The output end of intermediate sky axis is equipped with check valve, and the output end of intermediate sky axis and electric pump spindle is equipped with lip ring, annular
One circle check valve is installed on sealing element.
Further, it is coaxially installed with mandrel in intermediate empty axis, intra vane is installed on outside mandrel by the mode being interference fitted
Between wall and intermediate empty axis inner wall.
Further, outer leafs are installed between intermediate empty axis outer wall and electric pump spindle inner wall by the mode being interference fitted.
Still further, the input terminal of electric pump spindle stretches out drive end bearing bracket, the output end of electric pump spindle is located in rear end cap, rear end cap
On open rear oil outlet.
After taking above technical scheme, the utility model has the following beneficial effects: the technical program has structure simple, save
Shaft coupling, the function of conveying is directly embedded into electric pump spindle, in use, the present apparatus, which is directly installed to medium, takes out mouth, is connect
Realize the conveying function of the media such as each class I liquid I or gas in energization source.Using double-deck blade combination individual event valve, realize in electricity
It can convey, be avoided because wiring error can not equipment fault caused by oil transportation when sub- positive and negative rotation.
Detailed description of the invention
Fig. 1 is external scheme of installation；
Fig. 2 is interpolation type scheme of installation；
Fig. 3 is the structural schematic diagram of electric pump spindle.
Specific embodiment
Specific embodiment of the present utility model is further described below in conjunction with attached drawing:
As shown, directly driving electric pump, including casing 1, the both ends of casing 1 are equipped with forward and backward end cap 2,3.1 inner wall of casing peace
Equipped with stator 4 and rotor 5, stator 4 includes stator core and stator coil, and stator press-loading is fixed in 1 inner wall of casing and with screw,
Rotor 5 is coaxially installed on electric pump spindle 6, and the both ends of electric pump spindle 6 are supported on forward and backward end cap 2,3, electric pump spindle 6 and front and back ends through bearing
7 leakproof of oil sealing is installed, the input terminal of electric pump spindle 6 stretches out drive end bearing bracket 2, and the output end of electric pump spindle is located at rear end cap 3 between lid 2,3
It is interior, oil outlet 8 is provided on rear end cap 3.The terminal box 9 of joining power is installed, terminal box 9 is to stator 4 on the rear end cap 3 of electric pump
Power supply.The end face outside of drive end bearing bracket 2 can be designed as flange face, electric pump can be mounted in equipment by the flange face, it should
Mode is external installation, such as Fig. 1.Flange face can also be set on the inner face on rear end cap 3, and electric pump leading portion, which is inserted into, to be set
In standby, rear cover end flange face is fixedly connected with equipment, and which is interpolation type installation, such as Fig. 2.
Electric pump spindle 6 is hollow shaft, and intermediate empty axis 10 is co-axially mounted in electric pump spindle 6, forms intermediate empty 10 inner cavity of axis and electricity
Clip cavity the two flow channels that pump shaft 6 and intermediate empty axis 10 are formed are separately installed with helical blade in the two flow channels,
Respectively intra vane 11 and outer leafs 12, are coaxially installed with mandrel 13 in intermediate sky axis 10, intra vane 11 by interference fit or
The modes such as be integrally formed to be installed between 13 outer wall of mandrel and intermediate empty 10 inner wall of axis, outer leafs 12 by the mode that is interference fitted or
The modes such as integrated molding are installed between intermediate empty 10 outer wall of axis and 6 inner wall of electric pump spindle.Inside and outside blade is oppositely oriented, inside and outside blade
Cross sectional shape is unlimited；It can be rectangle, trapezoidal, triangle, zigzag or other shapes.
The tail end of intermediate sky axis 10 is output end, and tail end is equipped with check valve 14, prevents oil return；Intermediate sky axis 10 and electric pump
The tail end of axis 6 is equipped with lip ring 15, which can be separated to form sealing for two overcurrent cavitys, simultaneously
Play the role of the intermediate empty axis of support and electric pump spindle, a circle check valve 16 is installed on lip ring 15.
This straight working principle for driving electric pump are as follows: when for gear-box oil pumping, electric pump is installed on by gear by flange face
Bottom portion oil pumping mouth, terminal box 9 power on, and stator 4 must be electric, generates magnetic field, and rotor 5 generates electric current simultaneously under electromagnetic field effect
Cutting magnetic line generates turning moment, and driving rotor 5 rotates, and rotor 5 drives electric pump spindle 6 to rotate.The present embodiment electric pump spindle is same
Axis bilayer double rotational directions blade, when electric pump spindle rotates in the forward direction, lubricating oil is pushed to out by the work of intra vane 11 by check valve 14
Hydraulic fluid port 8, check valve 16 ends at this time, and when electric pump spindle reversely rotates, the work of outer leafs 12 pushes lubricating oil by check valve 16
It is exported to electric pump, check valve 14 ends at this time, and 6 positive and negative rotation of electric pump spindle can export the lubricating oil in case, avoids other motors
Oil pump is because of the not fuel-displaced problem of work that phase sequence wiring error is likely to occur.
As the further improvement of the technical program, can by the design of the rotation direction of the flow direction and blade of check valve,
The positive and negative rotation for cooperating motor, realizes two-way oil transportation, the occasion applied to bidirectional output.
Claims (4)
1. directly driving electric pump, including casing and it is mounted on the forward and backward end cap at casing both ends, casing inner wall is equipped with stator and turns
Son, for stator press-loading in casing inner wall, rotor coaxial is installed on electric pump spindle, and the both ends of the electric pump spindle are supported on forward and backward through bearing
End cap, the electric pump spindle are hollow shaft, which is characterized in that intermediate empty axis, installation in intermediate sky axis are coaxially installed in electric pump spindle
By spiral helicine intra vane, spiral helicine outer leafs, interior outer leafs rotation direction phase are installed between intermediate sky axis outer wall and electric pump inner wall
Instead；The output end of intermediate sky axis is equipped with check valve, and the output end of intermediate sky axis and electric pump spindle is equipped with lip ring, annular
One circle check valve is installed on sealing element.
2. straight drive electric pump according to claim 1, which is characterized in that be coaxially installed with mandrel, intra vane in intermediate sky axis
It is installed between mandrel outer wall and intermediate empty axis inner wall by the mode being interference fitted.
3. straight drive electric pump according to claim 1, which is characterized in that outer leafs are installed on centre by the mode being interference fitted
Between empty axis outer wall and electric pump spindle inner wall.
4. straight drive electric pump according to claim 1, which is characterized in that the input terminal of electric pump spindle stretches out drive end bearing bracket, electric pump spindle
Output end be located in rear end cap, rear oil outlet is opened on rear end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821721621.9U CN209129877U (en) | 2018-10-23 | 2018-10-23 | A kind of straight drive electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821721621.9U CN209129877U (en) | 2018-10-23 | 2018-10-23 | A kind of straight drive electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129877U true CN209129877U (en) | 2019-07-19 |
Family
ID=67232464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821721621.9U Active CN209129877U (en) | 2018-10-23 | 2018-10-23 | A kind of straight drive electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876818A (en) * | 2022-06-08 | 2022-08-09 | 朱维富 | Spiral impeller for water pump |
-
2018
- 2018-10-23 CN CN201821721621.9U patent/CN209129877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876818A (en) * | 2022-06-08 | 2022-08-09 | 朱维富 | Spiral impeller for water pump |
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