CN205681214U - Gear electric motor for pump - Google Patents
Gear electric motor for pump Download PDFInfo
- Publication number
- CN205681214U CN205681214U CN201620566256.3U CN201620566256U CN205681214U CN 205681214 U CN205681214 U CN 205681214U CN 201620566256 U CN201620566256 U CN 201620566256U CN 205681214 U CN205681214 U CN 205681214U
- Authority
- CN
- China
- Prior art keywords
- electric motor
- bearing bracket
- motor housing
- drive end
- 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.)
- Expired - Fee Related
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- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model provides a kind of gear electric motor for pump, including motor housing and the drive end bearing bracket and the rear end cap that are arranged at motor housing two ends, also include stator module and rotor case, stator module is arranged on the inwall of motor housing, stator module has the first centre bore, and rotor case is arranged in the first centre bore, and one end of rotor case is sealably mounted on drive end bearing bracket, rotor case surrounds annular seal space with drive end bearing bracket, motor housing and rear end cap, and stator module is arranged in annular seal space.Gear electric motor for pump also includes rotor assembly, and rotor assembly is arranged in rotor case.Gear electric motor for pump is fixed with gear pump after being connected, rotor case is internal to be connected with the inside of gear pump, rotor assembly is immersed in liquid, therefore the noise of generation when motor runs is substantially reduced, the heat that motor work simultaneously produces can be taken away by liquid circulation, is capable of preferable radiating effect.
Description
Technical field
The utility model relates to technical field of motors, especially relates to a kind of gear electric motor for pump.
Background technology
Gear pump is one of main device in various hydraulic system, be by motor output changes mechanical energy be hydraulic pressure
The conversion equipment of energy.Existing gear pump is connected by shaft coupling or spline etc. with motor, uses this attachment structure, not only
Structure is complicated and the axiality and the perpendicularity that are difficult to ensure that motor and gear pump, easily causes mechanical oscillation, and noise is big, and negative
Connecting shaft can be damaged when carrying bigger, cause transmission failure even to damage gear pump itself.Further, since independent motor volume
Relatively big, add the annexes such as shaft coupling, whole gear pump is just quite big with the combined volume of motor and weight；In addition with gear pump even
The motor connecing typically all contains the fan of cooling, and therefore noise is also very big；Simultaneously because gear pump has outrigger shaft, therefore deposit
Hidden danger at external leakage.
Content of the invention
Main purpose of the present utility model is to provide that a kind of axiality is high, operates steadily, noise is little and the gear of rapid heat dissipation
Electric motor for pump.
For achieving the above object, the utility model provides a kind of gear electric motor for pump, including motor housing and be arranged at electricity
The drive end bearing bracket at machine shell two ends and rear end cap, also include stator module and rotor case, and stator module is arranged at the interior of motor housing
On wall, stator module has the first centre bore, and rotor case is arranged in the first centre bore, and one end of rotor case is sealably mounted at
On drive end bearing bracket, rotor case surrounds annular seal space with drive end bearing bracket, motor housing and rear end cap, and stator module is arranged in annular seal space.Tooth
Wheel electric motor for pump also includes rotor assembly, and rotor assembly is arranged in rotor case.
From such scheme, gear electric motor for pump is fixed with gear pump after being connected, and rotor case inside is interior with gear pump
Portion is connected, and rotor assembly is immersed in liquid, therefore substantially reduces the noise of generation when motor runs, motor work simultaneously
The heat making to produce can be taken away by liquid circulation, is capable of preferable radiating effect.
One preferred scheme is, gear electric motor for pump also includes central shaft and at least two bearing, central shaft and rotor
Assembly connects, and central shaft is bearing on drive end bearing bracket by multiple bearings, and multiple bearings are bonded to each other or interval is arranged.
As can be seen here, the output shaft of motor and the rotating shaft of gear pump is same axle, i.e. central shaft, and central shaft is inserted directly into electricity
In machine, eliminate shaft coupling, be effectively guaranteed the axiality of motor and gear pump, meanwhile, not only save installing space, and
Decrease drive path, improve transmission efficiency.In addition, multiple bearings are arranged on for supporting central shaft on drive end bearing bracket, can have
Effect ensures the axiality between multiple bearing, makes motor operate steadily.
Further preferred scheme is, central shaft is provided with stage portion, and stage portion is towards footpath from the circumference of central shaft
To the projection extending, in the axial direction of central shaft, stage portion extends to the position adjacent with bearing from one end of rotor assembly
Place.
As can be seen here, when installing rotor assembly, the stage portion on central shaft can realize the positioning to rotor assembly.
Further preferred scheme is, rotor assembly has the second centre bore installing central shaft, and the second centre bore includes
Manhole and polygonal through hole, manhole is adjacent with polygonal through hole, and polygonal through hole is in the one end near drive end bearing bracket
Arrange；On central shaft identical with the shape of polygonal through hole with the shape at polygonal through hole cooperation.
Scheme still more preferably is, the cross section of polygonal through hole is regular hexagon.
As can be seen here, on rotor assembly, polygonal hole matches with central shaft, it is achieved rotor assembly drives central axis.
It is socketed on center shaft in addition, rotor assembly is easy in the setting that polygon matches, it is achieved the positioning to rotor assembly.
One preferred scheme is to be arranged with flanged plate on motor housing, and flanged plate is arranged near drive end bearing bracket, on flanged plate
Offer plural installing hole.
As can be seen here, on motor, the effect of mounting flange plate is to be fixedly mounted on motor by gear pump, it is achieved motor with
Gear pump is wholely set, and such drive end bearing bracket and central shaft are arranged at the inside of gear pump, there is not outrigger shaft, it is to avoid liquid is outside
Leakage.
Further preferred scheme is, the periphery of motor housing is provided with stopper section, and stopper section is for from motor housing
Outer surface cave inward diametrically after formed step, flanged plate is adjacent with stopper section.
As can be seen here, the setting of stopper section can realize the positioning relative to gear pump for the motor.
One preferred scheme is, motor housing and drive end bearing bracket are formed with receiving chamber, are arranged on to sealing ring interference fit
Accommodate in chamber.
As can be seen here, it is arranged on to sealing ring interference fit in the receiving chamber that motor housing and drive end bearing bracket are formed, it is to avoid liquid
Body flows into rotor case from the gap location between motor housing and drive end bearing bracket and jointly surrounds close with drive end bearing bracket, motor housing and rear end cap
In envelope chamber, and damage is caused to the stator module being arranged in annular seal space and circuit board etc..
One preferred scheme is to offer the first screwed hole on motor housing, with the first screwed hole on drive end bearing bracket
Relative position offers the second screwed hole, and at least one screw inserts the first screwed hole and drive end bearing bracket is fixed by the second screwed hole
It is arranged on motor housing.
As can be seen here, use screw to link together drive end bearing bracket with motor housing, make secure and reliable connection.
Brief description
Fig. 1 is after the utility model gear electric motor for pump embodiment hides motor housing, rear end cap, circuit board and rotor case
Stereogram；
Fig. 2 is the STRUCTURE DECOMPOSITION figure after the utility model gear electric motor for pump embodiment hides central shaft and rotor case；
Fig. 3 is the sectional view of the utility model gear electric motor for pump embodiment；
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model gear electric motor for pump embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Seeing Fig. 1 and Fig. 2, the gear electric motor for pump of the present embodiment is the motor that model is BL6020A07-55, is installed on
Gear pump 100(Fig. 3 shows) on, work under liquid environment.Gear electric motor for pump includes motor housing 1 and is arranged at motor housing
The drive end bearing bracket 2 at 1 two ends and rear end cap 3, motor housing 1 offers screwed hole 12(Fig. 3 and shows), with screwed hole on drive end bearing bracket 2
The relative position of 12 offers screwed hole 24, and at least one screw inserts screwed hole 12 and drive end bearing bracket 2 is fixed by screwed hole 24
It is arranged on motor housing 1.
Seeing Fig. 2 and Fig. 3, gear electric motor for pump also includes stator module 4 and rotor case 5, and stator module 4 is arranged at motor
On the inwall of shell 1, stator module 4 has centre bore 41, and rotor case 5 is arranged in centre bore 41, and one end of rotor case 5 is close
Feud is arranged on drive end bearing bracket 2, and rotor case 5 uses the not material every magnetic to make, such as stainless steel, rotor case 5 and drive end bearing bracket the 2nd, electricity
Machine shell 1 and rear end cap 3 surround annular seal space, and stator module 4 is arranged in annular seal space.Gear electric motor for pump also includes rotor assembly
6, rotor assembly 6 is arranged in rotor case 5.
Seeing Fig. 3, motor housing 1 and drive end bearing bracket 2 are formed with receiving chamber, are arranged on to sealing ring 23 interference fit receiving chamber
In, it is to avoid liquid from the gap location between motor housing 1 and drive end bearing bracket 2 flow into rotor case 5 and drive end bearing bracket the 2nd, motor housing 1 and after
End cap 3 surrounds in annular seal space jointly, and causes damage to the stator module 4 being arranged in annular seal space and circuit board 9 etc..
Gear electric motor for pump also includes central shaft 7 and two bearings the 21st, 22, and central shaft 7 is connected with rotor assembly 6, center
The 21st, axle 7 22 is bearing on drive end bearing bracket 2 by two bearings, and the 21st, two bearings 22 can bonded to each other or interval be arranged.Motor
Output shaft and the rotating shaft of gear pump 100 be same axle, i.e. central shaft 7, central shaft 7 is inserted directly in motor, eliminates shaft coupling
Device, is effectively guaranteed the axiality of motor and gear pump 100, meanwhile, not only saves installing space, and decrease transmission road
Footpath, improves transmission efficiency.In addition, the 21st, two bearings 22 are all arranged on for supporting central shaft 7 on drive end bearing bracket 2, can effectively protect
Demonstrate,prove two bearing the 21st, axialities between 22, make motor operate steadily.
Being provided with stage portion 71 on central shaft 7, stage portion 71 is towards the projection radially extending from the circumference of central shaft 7,
In the axial direction of central shaft 7, stage portion 71 extends to the position adjacent with bearing 22 from one end of rotor assembly 6, with reality
The now positioning to rotor assembly 6.
Seeing Fig. 3 and Fig. 4, being provided with rotor assembly 6 in rotor case 5, rotor assembly 6 has the center installing central shaft 7
Hole 61, centre bore 61 includes manhole 611 and polygonal through hole 612, and manhole 611 is adjacent with polygonal through hole 612,
Polygonal through hole 612 is being arranged near one end of drive end bearing bracket 2.Coordinate with polygonal through hole 612 on central shaft 7 shape at place with many
The shape of limit shape through hole 612 is identical.Preferably, in the present embodiment, the cross section of polygonal through hole is regular hexagon.Rotor assembly 6
Upper polygonal hole 612 matches with the polygon of central shaft 7 corresponding position, it is achieved rotor assembly 6 drives central shaft 7 to rotate.
It is socketed on central shaft 7 in addition, rotor assembly 6 is easy in the setting that polygon matches, it is achieved rotor assembly 6 is relative to central shaft
The positioning of 7.
Being arranged with flanged plate 8 on motor housing 1, flanged plate 8 is arranged near drive end bearing bracket 2, flanged plate 8 offers two with
On installing hole 81.Flanged plate 8 can be fixedly mounted on gear pump 100 on motor, it is achieved motor integrally sets with gear pump 100
Put, not only compact conformation, and the volume and weight of motor and gear pump combination can be greatly reduced, in addition, be wholely set
In structure, drive end bearing bracket 2 and central shaft 7 are arranged at the inside of gear pump 100, there is not outrigger shaft, it is to avoid liquid leaks out.Electricity
Being provided with stopper section 11 on the periphery of machine shell 1, stopper section 11 is for caving inward diametrically from the outer surface of motor housing 1
The step of rear formation, flanged plate 8 is adjacent with stopper section 11, to realize the positioning relative to gear pump 100 for the motor.
Therefore, gear electric motor for pump is fixed with gear pump 100 after being connected, and rotor case 5 inside is interior with gear pump 100
Portion is connected, and rotor assembly 6 is immersed in liquid, therefore, it is possible to substantially reduce the noise of generation when motor runs, simultaneously
The heat that motor work produces can be taken away by liquid circulation, is capable of good radiating effect.
Finally it is emphasized that the utility model is not limited to above-mentioned embodiment, logical such as central shaft and stator module
The change of shape of cross section at the mated position of hole, the change of number of bearings, the change such as change of screw number also should include
In the utility model scope of the claims.
Claims (9)
1. gear electric motor for pump, including motor housing and the drive end bearing bracket and the rear end cap that are arranged at described motor housing two ends；
It is characterized in that:
Described gear electric motor for pump also includes
Stator module, described stator module is arranged on the inwall of described motor housing, and described stator module has the first center
Hole；
Rotor case, described rotor case is arranged in described first centre bore, and one end of described rotor case is sealably mounted at described
On drive end bearing bracket, described rotor case surrounds annular seal space, described stator pack with described drive end bearing bracket, described motor housing and described rear end cap
Part is arranged in described annular seal space；
Rotor assembly, described rotor assembly is arranged in described rotor case.
2. gear electric motor for pump according to claim 1, it is characterised in that:
Described gear electric motor for pump also includes central shaft and at least two bearing, and described central shaft is connected with described rotor assembly,
Described central shaft is bearing on described drive end bearing bracket by multiple described bearings, and multiple described bearings are bonded to each other or interval is arranged.
3. gear electric motor for pump according to claim 2, it is characterised in that:
Be provided with stage portion on described central shaft, described stage portion for from the circumference of central shaft towards the projection radially extending,
In the axial direction of described central shaft, described stage portion extends to the position adjacent with described bearing from one end of described rotor assembly
Place.
4. gear electric motor for pump according to claim 2, it is characterised in that:
Described rotor assembly has the second centre bore installing described central shaft, and described second centre bore includes manhole and many
Limit shape through hole, described manhole is adjacent with described polygonal through hole, and described polygonal through hole is near described drive end bearing bracket
One end is arranged；
On described central shaft identical with the shape of described polygonal through hole with the shape at described polygonal through hole cooperation.
5. gear electric motor for pump according to claim 4, it is characterised in that:
The cross section of described polygonal through hole is regular hexagon.
6. the gear electric motor for pump according to any one of claim 1 to 5, it is characterised in that:
Being arranged with flanged plate on described motor housing, described flanged plate is arranged near described drive end bearing bracket, and described flanged plate is offered
There is plural installing hole.
7. gear electric motor for pump according to claim 6, it is characterised in that:
Being provided with stopper section on the periphery of described motor housing, described stopper section is in footpath from the outer surface of described motor housing
The step being formed after upwards caving inward, described flanged plate is adjacent with described stopper section.
8. the gear electric motor for pump according to any one of claim 1 to 5, it is characterised in that:
Described motor housing and described drive end bearing bracket are formed with receiving chamber, are arranged on to sealing ring interference fit in described receiving chamber.
9. the gear electric motor for pump according to any one of claim 1 to 5, it is characterised in that:
The first screwed hole is offered, the relative position with described first screwed hole on described drive end bearing bracket on described motor housing
Offering the second screwed hole, at least one screw inserts described first screwed hole and described second screwed hole, and described drive end bearing bracket is solid
Dingan County is contained on described motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566256.3U CN205681214U (en) | 2016-06-13 | 2016-06-13 | Gear electric motor for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620566256.3U CN205681214U (en) | 2016-06-13 | 2016-06-13 | Gear electric motor for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205681214U true CN205681214U (en) | 2016-11-09 |
Family
ID=57432451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620566256.3U Expired - Fee Related CN205681214U (en) | 2016-06-13 | 2016-06-13 | Gear electric motor for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205681214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998118A (en) * | 2017-04-20 | 2017-08-01 | 苏州酷旺电机驱动技术有限公司 | Integral in-vehicle hydraulic booster pump controller |
-
2016
- 2016-06-13 CN CN201620566256.3U patent/CN205681214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998118A (en) * | 2017-04-20 | 2017-08-01 | 苏州酷旺电机驱动技术有限公司 | Integral in-vehicle hydraulic booster pump controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161109 Termination date: 20210613 |