CN207926326U - A kind of motor front end cover - Google Patents
A kind of motor front end cover Download PDFInfo
- Publication number
- CN207926326U CN207926326U CN201820117108.2U CN201820117108U CN207926326U CN 207926326 U CN207926326 U CN 207926326U CN 201820117108 U CN201820117108 U CN 201820117108U CN 207926326 U CN207926326 U CN 207926326U
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- China
- Prior art keywords
- end cap
- reinforcing rib
- cap ontology
- oil sealing
- annular
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of motor front end covers, it includes end cap ontology, oil sealing room is provided on the outside of end cap ontology, it is provided with bearing chamber on the inside of end cap ontology, the locular wall of oil sealing room is thinned, and the outside of end cap ontology is located at the peripheral annular recess of oil sealing room and extends to the outside seam allowance of end cap ontology and be formed with exterior annular caveli, periphery wall in exterior annular caveli around oil sealing room is provided with annular convex platform, even number set reinforcing rib group has been uniformly arranged in the circumferential direction in exterior annular caveli, reinforcing rib group is made of external reinforcing ribs and interior reinforcing rib, external reinforcing ribs and interior reinforcing rib are interspersed and are fixed on annular convex platform, form step structure；Advantage is that its rigidity and intensity are high, and mechanical dynamic is functional, can effectively reduce vibration and the noise of motor.
Description
Technical field
The utility model is related to a kind of motors, more particularly, to a kind of motor front end cover of flange join type.
Background technology
The stator and rotor, the drive end bearing bracket for being set to casing front end that motor includes casing, is set in casing.Currently, preceding
Most of end cap is the drive end bearing bracket of flange join type, and drive end bearing bracket is the critical component for fixing and supporting stator and rotor,
And play the role of being connected and fixed motor.When motor is horizontally installed to by drive end bearing bracket on engine base, it is desirable that drive end bearing bracket has
Enough rigidity and intensity, and require drive end bearing bracket that there is good mechanical dynamic performance, to reduce vibration and the noise of motor.
The drive end bearing bracket of current common flange join type generally includes end cap ontology, on the outer side center position of end cap ontology
Be provided with oil sealing room, the periphery wall upper edge of oil sealing room is circumferentially provided with the annular convex platform flushed with oil sealing room, end cap ontology it is outer
The periphery that side is located at annular convex platform is provided with reinforcing rib, and bearing chamber, bearing chamber are provided on the medial center position of end cap ontology
Used making material is identical as making material used by end cap ontology, is aluminum alloy materials.This drive end bearing bracket exists
Problems with：1) reinforcing rib that the outside of end cap ontology is located at the periphery setting of annular convex platform is only single layer structure, reinforcing rib it
Between lack the globality connected each other, the overall stiffness of drive end bearing bracket is improved limited, and stereoscopic sense is not strong, and aesthetics is owed
It is good；2) outside of end cap ontology is located at the periphery wall of oil sealing room and is equipped with annular convex platform, which not only increases
Making material, and the annular convex platform is unfavorable to mechanical dynamic performance；3) bearing chamber and end cap ontology have been all made of aluminium alloy
Material is made, since the coefficient of thermal expansion of aluminium is bigger, after motor bearings friction can be caused heated bearing chamber thermal deformation compared with
Greatly, to which the precision of motor can be influenced；4) with the seam allowance poor rigidity of engine base positioning, it is unfavorable for carrying for motor installation positioning accuracy
It is high.
Invention content
The technical problem to be solved by the utility model is to provide a kind of motor front end cover, rigidity and intensity are high, and machine
Tool dynamic property is good, can effectively reduce vibration and the noise of motor.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of motor front end cover, including end cap
Ontology is provided with oil sealing room on the outside of the end cap ontology, bearing chamber, feature is provided on the inside of the end cap ontology
It is：The locular wall of the oil sealing room is thinned, and the outside of the end cap ontology is located at the peripheral annular of the oil sealing room
The outside seam allowance that recess extends to the end cap ontology is formed with exterior annular caveli, in the exterior annular caveli
Periphery wall around the oil sealing room is provided with annular convex platform of the thickness less than the axial height of the oil sealing room, and described is outer
Even number set reinforcing rib group is uniformly arranged in the circumferential direction in side ring shape caveli, the reinforcing rib group is by external reinforcing ribs and interior reinforcement
Muscle forms, and the external reinforcing ribs and the interior reinforcing rib are interspersed and are fixed on the annular convex platform, form rank
Ladder configuration.
One end of the external reinforcing ribs is connect with the seam allowance, one end of the interior reinforcing rib and the outside
The cavity wall of ring-shaped depression chamber connects, the other end of the external reinforcing ribs in reinforcing rib group described in every group and it is described interior plus
The other end of strengthening tendons is connect with the periphery wall of the oil sealing room, and the other end of the external reinforcing ribs and it is described interior plus
The other end of strengthening tendons is overlapping to make the external reinforcing ribs and the triangle structure of interior reinforcing rib.Here, by outer reinforcement
One end of muscle is connect with seam allowance, and the rigidity of seam allowance can be improved, and can enhance the non-deformability of seam allowance, can effectively improve motor peace
Fill precision；Make external reinforcing ribs and the triangle structure of interior reinforcing rib, is conducive to mutual between external reinforcing ribs and interior reinforcing rib
Connection is conducive to the overall stiffness for improving drive end bearing bracket.
The outer end face of the external reinforcing ribs is arcwall face.The outer end face of external reinforcing ribs is designed as arcwall face, can be improved
The overall stiffness of drive end bearing bracket.
Multiple axial bolt mounting holes for fixing bearing baffle ring are circumferentially uniformly provided on the annular convex platform,
Each axial bolt mounting hole is located between the reinforcing rib group described in two adjacent groups.
The axial bolt mounting hole described in four, the axis described in four are circumferentially uniformly provided on the annular convex platform
To the center of screw mounting hole be connected constitute square while with the end cap ontology while it is parallel.Make four axial bolts
The center of mounting hole be connected the square constituted while with end cap ontology while it is parallel, the overall aesthetic degree of drive end bearing bracket can be improved.
Making material used by the end cap ontology is aluminium alloy, is inlaid on the annular locular wall of the bearing chamber
Circular-patch, making material used by the circular-patch are cast iron.Since end cap ontology is made of aluminium alloy, end
The light weight of lid ontology；Since the circular-patch being embedded on the annular locular wall of bearing chamber is made of cast iron, motor bearings
The thermal deformation that bearing chamber can largely be reduced after friction is heated, ensures that the precision of motor.
It is circumferentially distributed on the periphery wall of the circular-patch to be useful for improving the circular-patch insertion stability
Several axial straight grains.The setting of axial straight grain is not easily to fall off after making circular-patch be embedded in bearing chamber.
An engine base connecting hole and two casing connecting holes are each provided on four angles of the end cap ontology, it is described
The casing connecting hole described in two being arranged on each angle of end cap ontology is symmetrically distributed in the both sides of the engine base connecting hole.
Compared with prior art, the utility model has the advantage of：
1) every group of reinforcing rib group is made of external reinforcing ribs and interior reinforcing rib, that is, is provided with two layers of reinforcing rib, and two layers of reinforcement
Muscle is both secured on annular convex platform, therefore improves the globality connected each other between two layers of reinforcing rib, to improve front end
The overall stiffness of lid.
2) external reinforcing ribs and interior reinforcing rib are interspersed to form step structure, i.e., so that external reinforcing ribs and interior reinforcing rib it
Between there are differences in height, to improve the overall stiffness of drive end bearing bracket, and step structure increases the stereoscopic effect of reinforcing rib group,
Improve the overall aesthetic degree of drive end bearing bracket.
3) outside of end cap ontology is located at the peripheral annular recess of oil sealing room and extends to the outside seam allowance of end cap ontology and formed
One exterior annular caveli, saves making material.
4) so that the locular wall of oil sealing room is thinned to mitigate the quality at drive end bearing bracket center, while the intrinsic of drive end bearing bracket axial direction can be improved
Frequency, so as to effectively improve mechanical dynamic performance.
5) setting even number set reinforcing rib group is conducive to improve the overall stiffness of drive end bearing bracket, can generally be arranged 4~10 groups, specifically
8 groups of reinforcing rib groups can be set.
Description of the drawings
Fig. 1 is the dimensional structure diagram one of the motor front end cover of the utility model；
Fig. 2 is the dimensional structure diagram two of the motor front end cover of the utility model；
Fig. 3 is the lateral elevational view of the motor front end cover of the utility model；
Fig. 4 is the sectional view along A-A of Fig. 3.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
The utility model proposes a kind of motor front end cover, through die cast, as shown in the figure comprising shape be pros
End cap ontology 1 of the shape through rounded corner, an engine base connecting hole 11 is each provided on four angles of end cap ontology 1 and two casings connect
Hole 12 is connect, two casing connecting holes 12 being arranged on each angle of end cap ontology 1 are symmetrically distributed in the both sides of engine base connecting hole 11,
It is provided with oil sealing room 21 on the outer side center position of end cap ontology 1, bearing chamber is provided on the medial center position of end cap ontology 1
31, the locular wall of oil sealing room 21 is thinned, and the outside of end cap ontology 1 is located at the peripheral annular of oil sealing room 21 and is recessed and extends to end cap sheet
The outside seam allowance 22 of body 1 is formed with exterior annular caveli 23, and the interior periphery wall around oil sealing room 21 of exterior annular caveli 23 is set
It is equipped with annular convex platform 24 of the thickness less than the axial height of oil sealing room 21, has been uniformly arranged in the circumferential direction in exterior annular caveli 23
8 groups of reinforcing rib groups 25, reinforcing rib group 25 are made of external reinforcing ribs 251 and interior reinforcing rib 252, external reinforcing ribs 251 and interior reinforcing rib
252 are interspersed and are fixed on annular convex platform 24, form step structure.
In the present embodiment, one end of external reinforcing ribs 251 is connect with seam allowance 22, one end of interior reinforcing rib 252 and outer side ring
The cavity wall of shape caveli 23 connects, the other ends of the external reinforcing ribs 251 in every group of reinforcing rib group 25 and interior reinforcing rib 252 it is another
End connect with the periphery wall of oil sealing room 21, and the other end of the other end of external reinforcing ribs 251 and interior reinforcing rib 252 is overlapping makes outside
The outer end face of 252 triangle structure of reinforcing rib 251 and interior reinforcing rib, external reinforcing ribs 251 is arcwall face.Here, by additional
One end of strengthening tendons 251 is connect with seam allowance 22, and the rigidity of seam allowance 22 can be improved, and can enhance the non-deformability of seam allowance 22, Neng Gouyou
Effect improves motor installation accuracy；Make 252 triangle structure of external reinforcing ribs 251 and interior reinforcing rib, is conducive to external reinforcing ribs 251
Interconnection between interior reinforcing rib 252 is conducive to the overall stiffness for improving drive end bearing bracket；By the outer end face of external reinforcing ribs 251
It is designed as arcwall face, the overall stiffness of drive end bearing bracket can be improved.
In the present embodiment, four axial bolt mounting holes 26, each axis are circumferentially uniformly provided on annular convex platform 24
Between being located at two adjacent groups reinforcing rib group 25 to screw mounting hole 26, the centers of four axial bolt mounting holes 26, which is connected, to be constituted
Square while with end cap ontology 1 while it is parallel.Make the connected square constituted in the center of four axial bolt mounting holes 26
While with end cap ontology 1 while it is parallel, the overall aesthetic degree of drive end bearing bracket can be improved.
In the present embodiment, making material used by end cap ontology 1 is aluminium alloy, is inlayed on the annular locular wall of bearing chamber 31
Embedded with circular-patch 311, making material used by circular-patch 311 is cast iron, on the periphery wall of circular-patch 311 circumferentially
Several axial straight grain (not shown)s that stability is embedded in for improving circular-patch 311 are distributed with.Due to end cap ontology 1 by
Aluminium alloy is made, therefore the light weight of end cap ontology 1；Due to the circular-patch 311 being embedded on the annular locular wall of bearing chamber 31
Be made of cast iron, thus motor bearings friction it is heated after can largely reduce the thermal deformation of bearing chamber 31, so that it is guaranteed that
The precision of motor；The setting of axial straight grain is not easily to fall off after making circular-patch 311 be embedded in bearing chamber 31.
Claims (8)
1. a kind of motor front end cover, including end cap ontology, oil sealing room, the end cap are provided on the outside of the end cap ontology
Bearing chamber is provided on the inside of ontology, it is characterised in that：The locular wall of the oil sealing room is thinned, and the end cap ontology is outer
The peripheral annular recess that side is located at the oil sealing room extends to the outside seam allowance of the end cap ontology and is formed with exterior annular
Caveli, the interior periphery wall around the oil sealing room of the exterior annular caveli are provided with thickness and are less than the oil sealing room
Axial height annular convex platform, be uniformly arranged in the circumferential direction even number set reinforcing rib group, institute in the exterior annular caveli
The reinforcing rib group stated is made of external reinforcing ribs and interior reinforcing rib, the external reinforcing ribs and the interior reinforcing rib be interspersed and
It is fixed on the annular convex platform, forms step structure.
2. a kind of motor front end cover according to claim 1, it is characterised in that：One end of the external reinforcing ribs with it is described
Seam allowance connection, one end of the interior reinforcing rib connect with the cavity wall of the exterior annular caveli, adding described in every group
The other end of the other end of the external reinforcing ribs in strengthening tendons group and the interior reinforcing rib is outer with the oil sealing room
Peripheral wall connects, and the other end of the other end of the external reinforcing ribs and the interior reinforcing rib is overlapping makes the external reinforcing ribs
With the triangle structure of interior reinforcing rib.
3. a kind of motor front end cover according to claim 2, it is characterised in that：The outer end face of the external reinforcing ribs is arc
Shape face.
4. a kind of motor front end cover according to claim 1, it is characterised in that：On the annular convex platform circumferentially uniformly
Multiple axial bolt mounting holes for fixing bearing baffle ring are offered, each axial bolt mounting hole is located at adjacent two
Between the group reinforcing rib group.
5. a kind of motor front end cover according to claim 4, it is characterised in that：On the annular convex platform circumferentially uniformly
It opens up there are four the axial bolt mounting hole, the connected square constituted in center of the axial bolt mounting hole described in four
While with the end cap ontology while it is parallel.
6. a kind of motor front end cover according to claim 1, it is characterised in that：It is made used by the end cap ontology
Material is aluminium alloy, and circular-patch is inlaid on the annular locular wall of the bearing chamber, is made used by the circular-patch
It is cast iron to make material.
7. a kind of motor front end cover according to claim 6, it is characterised in that：The periphery wall upper edge of the circular-patch
Circumferentially distributed several axial straight grains for being useful for improving the circular-patch insertion stability.
8. a kind of motor front end cover according to claim 1, it is characterised in that：It is each on four angles of the end cap ontology
Setting is there are one engine base connecting hole and two casing connecting holes, described in be arranged on each angle of the end cap ontology two
Casing connecting hole is symmetrically distributed in the both sides of the engine base connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117108.2U CN207926326U (en) | 2018-01-24 | 2018-01-24 | A kind of motor front end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820117108.2U CN207926326U (en) | 2018-01-24 | 2018-01-24 | A kind of motor front end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926326U true CN207926326U (en) | 2018-09-28 |
Family
ID=63605053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820117108.2U Active CN207926326U (en) | 2018-01-24 | 2018-01-24 | A kind of motor front end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504783A (en) * | 2019-09-18 | 2019-11-26 | 江苏富丽华通用设备股份有限公司 | A kind of casing assembly and magneto of magneto |
-
2018
- 2018-01-24 CN CN201820117108.2U patent/CN207926326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504783A (en) * | 2019-09-18 | 2019-11-26 | 江苏富丽华通用设备股份有限公司 | A kind of casing assembly and magneto of magneto |
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