CN108183572B - Assembling structure of shell and end cover and motor - Google Patents
Assembling structure of shell and end cover and motor Download PDFInfo
- Publication number
- CN108183572B CN108183572B CN201810059063.2A CN201810059063A CN108183572B CN 108183572 B CN108183572 B CN 108183572B CN 201810059063 A CN201810059063 A CN 201810059063A CN 108183572 B CN108183572 B CN 108183572B
- Authority
- CN
- China
- Prior art keywords
- end cover
- shell
- ring
- screw
- mounting hole
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides an assembling structure of a shell and an end cover and a motor. The assembling structure of the shell and the end cover comprises a shell (1) and the end cover (2), wherein the shell (1) and the end cover (2) are positioned through a first positioning piece (3) arranged along the radial direction of the shell (1). According to the assembling structure of the shell and the end cover, the influence of the assembling structure on the stator winding can be avoided, and the stability of the product quality is improved.
Description
Technical Field
The invention belongs to the technical field of motor equipment, and particularly relates to an assembly structure of a shell and an end cover and a motor.
Background
Generally, coil pipe type motors fasten a casing and front and rear end covers by adopting the cooperation of long screws, nuts and elastic pads, the screws need to penetrate through the front and rear end covers and the casing during operation, screw hole positions of the front and rear end covers need to be adjusted repeatedly, the screws are easy to skew and uncontrollable in the process, and the operation results in low motor assembly efficiency and large labor intensity of staff.
The penetrating structure has strict control requirement on the outer diameter of the stator winding, potential pressure hazards are easy to exist, and the quality of the product is unstable.
The stator punching sheet with the structure needs to be provided with screws to avoid the yielding, and the cost of the stamping die is high.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide an assembling structure of a shell and an end cover and a motor, which can avoid the influence of the assembling structure on a stator winding and improve the stability of the product quality.
In order to solve the above-mentioned problems, the present invention provides an assembly structure of a casing and an end cover, which includes a casing and an end cover, wherein the casing and the end cover are positioned by a first positioning member disposed along a radial direction of the casing.
Preferably, a circumferential positioning is formed between the end face of the casing facing the end cover and the end cover, and the first positioning piece is used for axially positioning the casing and the end cover.
Preferably, the end cover comprises a convex ring sleeved in the casing, and the first positioning piece is arranged corresponding to the convex ring.
Preferably, a clamping groove is formed in the end face of the shell, a positioning boss is arranged at the edge of the end cover, which is located on the periphery of the convex ring, and the positioning boss is clamped into the clamping groove.
Preferably, the side wall of the casing is provided with a mounting hole, the outer peripheral wall of the convex ring is provided with a positioning hole corresponding to the mounting hole, the first positioning piece is a screw, and the screw is fixedly connected in the positioning hole after passing through the mounting hole.
Preferably, the side wall of the casing is provided with a mounting hole, the peripheral wall of the convex ring is provided with an annular groove corresponding to the mounting hole, the first positioning piece is a screw, and the screw is clamped into the annular groove after passing through the mounting hole.
Preferably, a sealing ring is arranged between the screw and the mounting hole.
Preferably, the sealing ring comprises a retainer ring sleeved on the inner peripheral wall of the mounting hole and a baffle ring arranged at one end of the retainer ring and extending outwards along the radial direction of the retainer ring, the retainer ring is positioned between the screw rod of the screw and the mounting hole, and the baffle ring is positioned between the head of the screw and the side wall of the casing.
Preferably, a mounting groove is formed in the connecting position of the retainer ring and the baffle ring, and a lock washer is arranged in the mounting groove.
Preferably, the retainer ring is in the shape of a frustum with a decreasing cross-sectional area in a direction away from the retainer ring.
According to another aspect of the present invention, there is provided an electric motor including the above-described assembly structure of the casing and the end cover.
The invention provides an assembling structure of a shell and an end cover, which comprises the shell and the end cover, wherein the shell and the end cover are positioned by a first positioning piece arranged along the radial direction of the shell. Because fix a position through the first setting element that sets up along the radial direction of casing between casing and the end cover, consequently can pass the thickness of casing through the first setting element that length is less, realize the cooperation of casing and end cover, need not to run through inside the casing along axial direction, consequently the stator punching need not the spending screw and keeps away the stamping die that gives up, reduce processing cost, also can effectively avoid long screw to the setting of stator winding to cause the influence, can reduce the management and control requirement to stator winding external diameter, reduce withstand voltage hidden danger, improve product quality's stability and reliability.
Drawings
Fig. 1 is a structural view of a motor according to an embodiment of the present invention;
FIG. 2 is a cross-sectional structural view at B-B of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A of FIG. 2;
fig. 4 is a schematic perspective view of an end cover of an electric motor according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a casing of a motor according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a seal ring of an electric motor according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of an end cover of an electric motor according to another embodiment of the present invention.
The reference numerals are expressed as:
1. a housing; 2. an end cap; 3. a first positioning member; 4. a clamping groove; 5. positioning the boss; 6. a convex ring; 7. a mounting hole; 8. positioning holes; 9. a lock washer; 10. a retainer ring; 11. a baffle ring; 12. an annular groove; 13. and a mounting groove.
Detailed Description
Referring to fig. 1 to 7 in combination, according to an embodiment of the present invention, an assembling structure of a casing and an end cover includes a casing 1 and an end cover 2, and the casing 1 and the end cover 2 are positioned by a first positioning member 3 disposed in a radial direction of the casing 1.
Because fix a position through the first setting element 3 that sets up along the radial direction of casing 1 between casing 1 and the end cover 2, consequently can pass the thickness of casing 1 through the less first setting element 3 of length, realize the cooperation of casing 1 and end cover 2, need not to run through inside the casing 1 along axial direction, consequently the stator punching need not the spending screw and keeps away the stamping die that gives way, reduce processing cost, also can effectively avoid long screw to the setting of stator winding to cause the influence, can reduce the management and control requirement to stator winding external diameter, reduce withstand voltage hidden danger, improve product quality's stability and reliability.
The end face of the shell 1 facing the end cover 2 and the end cover 2 form circumferential positioning, and the first positioning piece 3 forms axial positioning for the shell 1 and the end cover 2. When carrying out the location installation of casing 1 and end cover 2, can be at first through circumferential location structure to the mounted position of casing 1 and end cover 2 advance the location to the axial positioning of casing 1 and end cover 2 is carried out to the convenience, and the location is simpler convenient more, and the installation effectiveness is higher. After the first positioning piece 3 is installed, the circumferential positioning structure and the first positioning piece 3 can simultaneously fix the casing 1 and the end cover 2 in the circumferential direction and the axial direction, so that the relative position relationship between the casing 1 and the end cover 2 is ensured.
In this embodiment, the end cover 2 includes a collar 6 sleeved in the casing 1, and the first positioning member 3 is disposed corresponding to the collar 6. The casing 1 is a straight cylinder structure, is sleeved outside the convex ring 6, and the inner peripheral wall of the casing 1 is attached to the outer peripheral wall of the convex ring 6, so that the coaxiality of the casing and the end cover and the sealing effect of the motor can be effectively ensured. The outer peripheral side of the collar 6 has an annular edge, and the end face of the casing 1 abuts against and is sealed to the end face of the annular edge. Preferably, the outer diameter of the end cap 2 is slightly larger than the outer diameter of the housing 1.
The end face of the shell 1 is provided with a clamping groove 4, the edge of the end cover 2, which is positioned on the periphery of the convex ring 6, is provided with a positioning boss 5, and the positioning boss 5 is clamped into the clamping groove 4. When the shell 1 is fixedly matched with the end cover 2, the positioning boss 5 is clamped into the clamping groove 4, so that relative rotation between the shell 1 and the end cover 2 is effectively prevented. In addition, through the location cooperation of location boss 5 and draw-in groove 4, also can form the location to the installation of first setting element 3, conveniently realize the installation fixed of first setting element 3.
The clamping groove 4 can penetrate through the side wall of the shell 1 along the radial direction, the cross section of the clamping groove 4 can be square, triangular or arc-shaped, the shape of the positioning boss 5 is matched with the shape of the clamping groove 4, and the clamping groove 4 with the structure is simpler and more convenient to process. The casing 1 may be formed by winding a prefabricated plate body, and the clamping groove 4 may be formed on the prefabricated plate body before the prefabricated plate body is wound, or may be formed after the winding is completed.
The clamping groove 4 can also be a groove arranged at the middle part of the end face of the shell 1, the shape of the groove can be cylindrical, conical, hemispherical, cubic and the like, and the positioning boss 5 is arranged corresponding to the clamping groove 4 and is clamped into the clamping groove 4. When the structure is installed, the radial positioning cooperation can be formed between the shell 1 and the end cover 2 through the cooperation of the positioning boss 5 and the clamping groove 4, so that the cooperation effect of the two is further improved.
The lateral wall of casing 1 is provided with mounting hole 7, and the periphery wall of bulge loop 6 is provided with locating hole 8 corresponding to mounting hole 7, and first setting element 3 is the screw, and the screw passes behind mounting hole 7, fixed connection in locating hole 8. In this embodiment, the screw passes behind the mounting hole 7 and the spiro union between locating hole 8 to can form circumference and axial positioning simultaneously between casing 1 and the end cover 2 through the screw, effectively prevent that casing 1 and end cover 2 from taking place relative motion, improve the fixed cooperation effect of both.
In another embodiment, the side wall of the casing 1 is provided with a mounting hole 7, the peripheral wall of the convex ring 6 is provided with an annular groove 12 corresponding to the mounting hole 7, and the first positioning piece 3 is a screw, and the screw is clamped into the annular groove 12 after passing through the mounting hole 7. Wherein the outer diameter of the screw corresponds to the width of the annular groove 12, so that the axial positioning effect between the casing 1 and the end cover 2 can be ensured. Because the periphery of the convex ring 6 is provided with the annular groove 12, and the screw is matched with the annular groove 12, the processing precision of the annular groove 12 can be reduced, the installation matching between the shell 1 and the end cover 2 is easier to realize, and the fault tolerance performance is better. The number of the mounting holes 7 is a plurality, the mounting holes 7 can be uniformly distributed on the outer peripheral wall of the casing 1 along the circumferential direction, and the number and the positions of the positioning holes 8 are matched with those of the mounting holes 7.
Preferably, a sealing ring is arranged between the screw and the mounting hole 7, so that a sealing effect can be formed by the cooperation of the sealing ring with the screw and the casing 1 and the end cover 2.
The sealing ring comprises a retainer ring 10 sleeved on the inner peripheral wall of the mounting hole 7 and a baffle ring 11 arranged at one end of the retainer ring 10 and extending outwards along the radial direction of the retainer ring 10, the retainer ring 10 is positioned between the screw rod of the screw and the mounting hole 7, and the baffle ring 11 is positioned between the head of the screw and the side wall of the casing 1. The baffle ring 11 of sealing washer is arc structure towards one side of casing 1, and one side of keeping away from casing 1 is planar structure to make the internal surface of baffle ring 11 can seal the laminating with the perisporium of casing 1, the surface of baffle ring 11 can laminate mutually with the head internal surface of screw, guarantees the sealed cooperation effect between screw and the casing 1. After the screw passes through the check ring 10, the screw is in threaded connection with the positioning hole 8, and the outer peripheral wall of the screw is in sealing fit with the inner peripheral wall of the mounting hole 7 through the check ring 10, so that the sealing effect between the shell 1 and the end cover 2 is better.
The connection position of the retainer ring 10 and the baffle ring 11 is provided with a mounting groove 13, and the mounting groove 13 is internally provided with a lock washer 9. The lock washer 9 is, for example, a flat washer, can be engaged with a screw in the axial direction, and can improve the locking effect of the screw, and ensure the stability and reliability of the connection structure between the casing 1 and the end cover 2.
The check ring 10 is in a frustum shape with the cross-sectional area decreasing along the direction away from the baffle ring 11, and a certain draft angle is formed on the peripheral wall of the check ring 10, so that the outer diameter of the check ring 10, which is close to the root of the baffle ring 11, is large, the outer diameter of the end part, which is away from the baffle ring 11, is small, the check ring is convenient to demolding after molding, and a good guiding and mounting effect can be achieved when the sealing ring is installed in the mounting hole 7. The outer wall of the retainer ring 10 of the sealing ring is attached to the inner wall of the mounting hole 8, and the inner wall of the retainer ring 10 is attached to the outer wall of the screw, so that the waterproof sealing effect between the shell 1 and the end cover 2 can be further improved. The seal ring is, for example, a rubber gasket.
According to the embodiment of the invention, the motor comprises the assembling structure of the shell and the end cover.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (3)
1. The assembling structure of the shell and the end cover is characterized by comprising the shell (1) and the end cover (2), wherein the shell (1) and the end cover (2) are positioned by a first positioning piece (3) arranged along the radial direction of the shell (1); the end cover (2) comprises a convex ring (6) sleeved in the shell (1), and the first positioning piece (3) is arranged corresponding to the convex ring (6);
the end face of the shell (1) facing the end cover (2) and the end cover (2) form circumferential positioning, and the first positioning piece (3) forms axial positioning for the shell (1) and the end cover (2);
a clamping groove (4) is formed in the end face of the shell (1), a positioning boss (5) is arranged at the edge of the end cover (2) located on the periphery of the convex ring (6), and the positioning boss (5) is clamped into the clamping groove (4);
the side wall of the shell (1) is provided with a mounting hole (7), the outer peripheral wall of the convex ring (6) is provided with a positioning hole (8) corresponding to the mounting hole (7), the first positioning piece (3) is a screw, and the screw is fixedly connected in the positioning hole (8) after penetrating through the mounting hole (7);
a sealing ring is arranged between the screw and the mounting hole (7); the sealing ring comprises a retainer ring (10) sleeved on the inner peripheral wall of the mounting hole (7) and a baffle ring (11) arranged at one end of the retainer ring (10) and extending outwards along the radial direction of the retainer ring (10), the retainer ring (10) is positioned between the screw rod of the screw and the mounting hole (7), and the baffle ring (11) is positioned between the head of the screw and the side wall of the casing (1);
a mounting groove (13) is formed in the connection position of the retainer ring (10) and the baffle ring (11), and a locking washer (9) is arranged in the mounting groove (13);
the retainer ring (10) is in a frustum shape with the cross-sectional area decreasing along the direction away from the baffle ring (11).
2. The assembly structure of the shell and the end cover according to claim 1, wherein a mounting hole (7) is formed in a side wall of the shell (1), an annular groove (12) is formed in an outer peripheral wall of the convex ring (6) corresponding to the mounting hole (7), and the first positioning piece (3) is a screw, and the screw is clamped into the annular groove (12) after passing through the mounting hole (7).
3. An electric motor comprising the assembled structure of the casing and the end cover according to any one of claims 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059063.2A CN108183572B (en) | 2018-01-22 | 2018-01-22 | Assembling structure of shell and end cover and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059063.2A CN108183572B (en) | 2018-01-22 | 2018-01-22 | Assembling structure of shell and end cover and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183572A CN108183572A (en) | 2018-06-19 |
| CN108183572B true CN108183572B (en) | 2024-02-06 |
Family
ID=62551134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059063.2A Active CN108183572B (en) | 2018-01-22 | 2018-01-22 | Assembling structure of shell and end cover and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183572B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5093504U (en) * | 1973-12-28 | 1975-08-06 | ||
| CN205319832U (en) * | 2016-01-22 | 2016-06-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Locking plastic envelope motor that takes off of end cover |
| CN105703498A (en) * | 2016-04-22 | 2016-06-22 | 三门峡速达交通节能科技股份有限公司 | Stator oil-immersed circulating cooling structure of built-in disc type motor |
| CN205356006U (en) * | 2015-12-22 | 2016-06-29 | 广东威灵电机制造有限公司 | A casing, end cover and shell subassembly and motor for motor |
| CN106374667A (en) * | 2016-10-27 | 2017-02-01 | 常州津兆机电科技有限公司 | Micromotor shell of automobile |
| CN206617576U (en) * | 2017-03-27 | 2017-11-07 | 常山正丽机电有限公司 | A kind of rotary shaft supporting sealing device of generator housing |
| CN208571775U (en) * | 2018-01-22 | 2019-03-01 | 珠海凯邦电机制造有限公司 | The assembling structure and motor of casing and end cap |
-
2018
- 2018-01-22 CN CN201810059063.2A patent/CN108183572B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5093504U (en) * | 1973-12-28 | 1975-08-06 | ||
| CN205356006U (en) * | 2015-12-22 | 2016-06-29 | 广东威灵电机制造有限公司 | A casing, end cover and shell subassembly and motor for motor |
| CN205319832U (en) * | 2016-01-22 | 2016-06-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Locking plastic envelope motor that takes off of end cover |
| CN105703498A (en) * | 2016-04-22 | 2016-06-22 | 三门峡速达交通节能科技股份有限公司 | Stator oil-immersed circulating cooling structure of built-in disc type motor |
| CN106374667A (en) * | 2016-10-27 | 2017-02-01 | 常州津兆机电科技有限公司 | Micromotor shell of automobile |
| CN206617576U (en) * | 2017-03-27 | 2017-11-07 | 常山正丽机电有限公司 | A kind of rotary shaft supporting sealing device of generator housing |
| CN208571775U (en) * | 2018-01-22 | 2019-03-01 | 珠海凯邦电机制造有限公司 | The assembling structure and motor of casing and end cap |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108183572A (en) | 2018-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9385572B2 (en) | DC brushless motor with external rotor | |
| JP6251699B2 (en) | Blower | |
| JP6296872B2 (en) | Rotor and liquid pump | |
| CN201118318Y (en) | An electromotor acceptance shell | |
| CN108183572B (en) | Assembling structure of shell and end cover and motor | |
| CN107404174B (en) | Motor shell and motor | |
| CN212726676U (en) | Electric machine | |
| CN208924080U (en) | A kind of motor | |
| CN111245141A (en) | Drive motor and power output device | |
| JP2018068000A (en) | Bearing retention structure and motor | |
| JP2018159335A5 (en) | ||
| CN219018577U (en) | Motor with a motor housing | |
| CN105782209A (en) | Connecting piece for assembling of stator assembly | |
| CN204271794U (en) | Waterproof machine and there is the fan of this waterproof machine | |
| US3870438A (en) | Pump | |
| CN217055639U (en) | Fan and electrical equipment | |
| CN220636261U (en) | Extrusion oil cylinder structure and aluminum casting die | |
| CN208461600U (en) | Motor and new-energy automobile with the motor | |
| CN217976831U (en) | Steering oil cylinder and automobile steering device | |
| CN220457189U (en) | Rotor assembly and outer rotor motor | |
| CN220421538U (en) | Matching structure of motor end cover and shell | |
| CN210599464U (en) | Assembly structure of motor and pump and motor and pump suitable for assembly structure | |
| CN220060228U (en) | Center shaft assembly structure of aerator | |
| CN209823534U (en) | Motor and electric product | |
| CN212343488U (en) | Rear flange fast-assembling structure of permanent magnet synchronous servo motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |