CN211880273U - Household series excited motor - Google Patents
Household series excited motor Download PDFInfo
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- CN211880273U CN211880273U CN202020963067.6U CN202020963067U CN211880273U CN 211880273 U CN211880273 U CN 211880273U CN 202020963067 U CN202020963067 U CN 202020963067U CN 211880273 U CN211880273 U CN 211880273U
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- end cover
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Abstract
The utility model discloses a domestic series excited machine relates to the motor, and it is poor to aim at solving to have the axiality between end cover and the stator core, and makes the rotor rotate unsmooth problem, and its technical scheme main points are: including stator core, stator core's both ends can be dismantled and be connected with front end housing and rear end cap, are equipped with the fillet that sets up along stator core axial direction on stator core's the periphery wall, and the both ends of front end housing and rear end cap are equipped with the location portion of pasting in the fillet both sides. The utility model discloses a fillet and location portion, extrusion subassembly and arc convex part's setting realize the joint between front end housing, rear end cap and the stator core, and improve centre bore and holding ring and stator core's axiality, and then make and have good axiality between rotor and the stator core, make the even effect of rotating field that coil winding produced on the rotor, improve series excited machine pivoted stability.
Description
Technical Field
The utility model relates to a motor, more specifically say, it relates to a domestic series excited machine.
Background
The motor is an essential important component in the household appliance, and particularly, when the household appliance works, the motor generates a rotating magnetic field by utilizing an electrified coil (a stator comprises a stator core and a stator winding) and acts on a rotor to form magnetoelectric power rotating torque so as to drive the household appliance to work.
As shown in fig. 1, a conventional series motor includes a stator core 1 wound with a coil winding 18, wherein a rotor 19 is rotatably connected to the stator core 1, two ends of the rotor are rotatably connected to two ends of the stator core 1 through end caps, and the rotor is rotated by a rotating magnetic field generated by the energized coil winding 18 and acting on the rotor.
When assembling the series excited machine, when connecting end cover and stator core through the screw, there is the deviation easily in rotor and stator core's axle center, influences rotor pivoted stability.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a domestic series excited machine, through fillet and location portion, extrusion subassembly and arc convex part's setting, realize the joint between front end housing, rear end cap and the stator core, and improve centre bore and holding ring and stator core's axiality, and then make and have good axiality between rotor and the stator core, the even effect in rotating magnetic field that makes coil winding produce improves series excited machine pivoted stability on the rotor.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a domestic series excited machine, includes stator core, stator core's both ends can be dismantled and be connected with front end housing and rear end cap, be equipped with the fillet that sets up along stator core axial direction on stator core's the periphery wall, the both ends of front end housing and rear end cap are equipped with the location portion of pasting in the fillet both sides, all be equipped with the extrusion subassembly that is located the stator core on the both ends of front end housing and rear end cap, be equipped with the centre gripping space that is used for centre gripping stator core between extrusion subassembly and the location portion, the extrusion subassembly provides centre gripping stator core's effort all the time.
Through adopting above-mentioned technical scheme, the both ends of front end housing and rear end cap set up location portion, and set up the fillet on stator core's the periphery wall, can fix a position the both sides of fillet through location portion subsides to being connected between front end housing and rear end cap and the stator core, improve the axiality between rotor and the stator core of rotating the connection between front end housing and rear end cap, and then improve rotor pivoted stability, and form the centre gripping space through being located between extrusion subassembly and the location portion in the stator core, and when being connected with stator core at front end housing and rear end cap through the extrusion subassembly, carry out the centre gripping to stator core, be convenient for people's equipment operation.
The utility model discloses further set up to: set up two sets of arc walls that are used for holding coil winding on the stator core internal perisporium, be equipped with on stator core's the internal perisporium and be located two sets of arc convex part between the arc wall, the extrusion subassembly is including left folder and the right folder that is located two sets of arc walls respectively, left side folder and right folder paste in the surface of arc convex part.
Through adopting above-mentioned technical scheme, arc convex part between two sets of arc walls, and left splint and right splint are located two sets of arc walls respectively, paste in the both sides of arc convex part promptly, realize increasing the area of contact between extrusion subassembly and the stator core, improve the clamping-force of extrusion subassembly cooperation location portion to stator core, and then improve the joint strength of stator core and front end housing and rear end housing, improve the stability of series excited machine during operation, have performance such as low noise.
The utility model discloses further set up to: the left clamping piece and the right clamping piece are arc-shaped and have elastic recovery characteristics and are used for providing clamping force for clamping the stator core.
Through adopting above-mentioned technical scheme, because left splint and right splint are the arc, not only increase the area of left splint and right splint and stator core contact to make left splint and right splint have good stress bearing capacity, improve the life of front end housing and rear end cap, and then improve the life of series excited machine.
The utility model discloses further set up to: the stator core is characterized in that a plurality of caulking grooves located on two sides of the insertion strip are formed in the peripheral wall of the stator core, and one side, facing the stator core, of the positioning portion is provided with an insertion block embedded in the caulking groove.
Through adopting above-mentioned technical scheme, through the setting of caulking groove and abaculus, when location portion inlays in the fillet both sides, make the abaculus can imbed into the caulking groove in, restriction front end housing and rear end cap and stator core axial separation, and then improve the joint strength between front end housing and rear end cap and the stator core, improve the wholeness of series excited machine, have good life.
The utility model discloses further set up to: the stator core is provided with a first positioning hole and a second positioning hole which are coaxially arranged, the stator core is provided with a through hole communicated with the first positioning hole and the second positioning hole, and a fixing bolt penetrating through the first positioning hole and the second positioning hole for connecting the front end cover and the rear end cover is arranged in the through hole.
Through adopting above-mentioned technical scheme, run through locating hole one, through-hole and locating hole two through fixing bolt and realize being connected of front end housing and rear end cap, and then play axial direction's centre gripping to stator core to through locating hole one and the coaxial setting of locating hole two, and then improve the rotation and connect the axiality of rotor and stator core on front end housing and rear end, and then improve rotor pivoted stability.
The utility model discloses further set up to: and the stator core is provided with a heat dissipation groove communicated with the through hole, and the groove width of the heat dissipation groove is smaller than the diameter of the through hole.
Through adopting above-mentioned technical scheme, set up the radiating groove and can accelerate the temperature around the fixing bolt, improve the radiating efficiency to the radiating groove width is less than logical groove, can restrict fixing bolt's displacement, improves the joint strength between front end housing, rear end cap and the stator core.
The utility model discloses further set up to: the front end cover is provided with a center hole for accommodating the rotor to pass through, and one side of the rear end cover facing the front end cover is fixedly connected with a positioning ring which is coaxial with the center hole and the stator core.
Through adopting above-mentioned technical scheme, because the setting of centre bore and holding ring for when the rotor rotates to be connected in the stator iron core, under guaranteeing that locating hole one and locating hole two are coaxial, keep the axiality of centre bore and stator iron core, and then improve the precision of rotor installation, the even effect that receives coil winding's magnetic field, thereby high-efficient steady work.
To sum up, the utility model discloses following beneficial effect has:
the both ends of front end housing and rear end cap set up location portion, and set up the fillet on stator core's the periphery wall, can fix a position the both sides of fillet through location portion subsides to being connected between front end housing and rear end cap and the stator core, improve the rotation and be connected the axiality between rotor and the stator core between front end housing and rear end cap, and then improve rotor pivoted stability, and form the centre gripping space through being located between extrusion subassembly and the location portion in the stator core, and when being connected with stator core at front end housing and rear end cap through the extrusion subassembly, carry out the centre gripping to stator core, the people's equipment operation of being convenient for.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is an enlarged view of a portion B in fig. 3.
In the figure: 1. a stator core; 2. a front end cover; 3. a rear end cap; 4. a fillet; 5. a positioning part; 6. an arc-shaped slot; 7. an arc-shaped convex part; 8. a left clamp; 9. a right clamp; 10. caulking grooves; 11. a first positioning hole; 12. a second positioning hole; 13. a through hole; 14. fixing the bolt; 15. a heat sink; 16. a central bore; 17. a positioning ring; 18. a coil winding; 19. and a rotor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
A household series-excited motor, as shown in figure 2, comprises a stator core 1, two ends of the stator core 1 are detachably connected with a front end cover 2 and a rear end cover 3, the front end cover 2 is provided with a central hole 16 for accommodating a rotor 19 to pass through, one side of the rear end cover 3 facing the front end cover 2 is fixedly connected with a positioning ring 17 which is coaxial with the central hole 16, one end of the rotor 19 penetrates through the central hole 16, the other end of the rotor 19 is rotatably connected with the rear end cover 3 through the positioning ring 17, the peripheral wall of the stator core 1 is provided with two insertion strips 4 which are symmetrically arranged along the axial direction of the stator core 1, two ends of the front end cover 2 and the rear end cover 3 are provided with positioning parts 5, the positioning parts 5 form grooves by grinding, the positioning parts 5 are attached to the insertion strips 4 to realize the clamping positioning of the front end cover 2, the rear end cover 3 and the stator core 1, two ends of the front end cover 2 and the, be formed with the centre gripping space that is used for centre gripping stator core 1 between extrusion subassembly and the location portion 5, the extrusion subassembly provides the effort of centre gripping stator core 1 all the time, and in this embodiment, stator core 1 is formed at the die-casting by the silicon steel sheet that a plurality of 0.5mm are thick to fillet 4 and stator core 1 are the integrated into one piece structure, and front end housing 2 and rear end housing 3 are cast by the aluminum alloy.
As shown in fig. 3 and 5, two sets of arc-shaped slots 6 for accommodating coil windings 18 are formed on the inner peripheral wall of the stator core 1, an arc-shaped convex portion 7 located between the two sets of arc-shaped slots 6 is formed on the inner peripheral wall of the stator core 1, the extrusion assembly includes a left clamping piece 8 and a right clamping piece 9 respectively located in the two sets of arc-shaped slots 6, the left clamping piece 8 and the right clamping piece 9 are arc-shaped, the arc-shaped convex surfaces of the left clamping piece 8 and the right clamping piece 9 are attached to the arc-shaped surface of the arc-shaped convex portion 7, one ends of the left clamping piece 8 and the right clamping piece 9 facing the arc-shaped convex portion 7 are separated from the front end cover 2 or the rear end cover 3, so that the left clamping piece 8 and the right clamping piece 9 have elastic recovery characteristics, and in a natural state, the distance between the left clamping piece 8 and the right clamping piece 9 is smaller than the width at the small end of the arc-shaped convex portion 7, and, and a plurality of caulking grooves 10 positioned at two sides of the fillet 4 are arranged on the peripheral wall of the stator core 1, and the side of the positioning part 5 facing the stator core 1 is adhered with an insert block embedded in the caulking groove 10.
As shown in fig. 3 and 4, a first positioning hole 11 and a second positioning hole 12 which are coaxially arranged are respectively formed at two ends of the front end cover 2 and the rear end cover 3, a through hole 13 communicated with the first positioning hole 11 and the second positioning hole 12 and a heat dissipation groove 15 communicated with the through hole 13 are formed in the stator core 1, a threaded section is formed on the inner peripheral wall of the first positioning hole 11 and the second positioning hole 12, a fixing bolt 14 which penetrates through the first positioning hole 11 and the second positioning hole 12 and is used for connecting the front end cover 2 and the rear end cover 3 is rotatably connected to the through hole 13, the heat dissipation groove 15 is in a shape of a long groove and is located on two sides of the through hole 13, and the width of the heat dissipation groove.
The working process is as follows: when assembling the series excited machine, firstly, the rear end cover 3 is mutually close along the axial direction of the stator core 1, the positioning parts 5 at the two ends of the rear end cover 3 are embedded at the two sides of the embedded strip 4, the rear end cover 3 and the stator core 1 are positioned, the mounting precision of the rear end cover 3 and the stator core 1 is improved, because the two ends of the rear end cover 3 are connected with the left clamping piece 8 and the right clamping piece 9 which are positioned inside the stator core 1, when the rear end cover 3 is mutually clamped with the stator core 1, the arc-shaped left clamping piece 8 and the arc-shaped right clamping piece 9 are elastically deformed under the extrusion action of the arc-shaped convex part 7, when the rear end cover 3 is clamped with the stator core 1, the positioning parts 5 positioned on the peripheral wall of the stator core 1 are matched to clamp the stator core 1, because the left clamping piece 8 and the right clamping piece 9 are respectively positioned in the two groups of arc-shaped grooves 6, the limiting function can be performed on, and the arc surfaces of the left clamping piece 8 and the right clamping piece 9 are attached to and extrude the arc surface of the arc convex part 7, so that the coaxiality between the rear end cover 3 and the stator core 1 can be improved, the positioning ring 17 and the stator core 1 are coaxially arranged, then one end of the rotor 19 penetrates through the central hole 16 of the front end cover 2, the other end of the rotor 19 penetrates through the stator core 1 to the positioning ring 17, the rotor 19 is rotatably connected with the positioning ring 17, the two ends of the front end cover 2 are also clamped with the stator core 1, the connecting strength of the front end cover 2 and the rear end cover 3 and the stator core 1 in the axial direction is improved through the arrangement of the embedded block and the embedded groove 10, a pre-fixing effect is achieved when the series excitation motor is assembled, the assembling operation of people is convenient, and in the assembling process, the coaxiality between the front end cover 2, the rear end cover 3 and the stator core 1 is improved, when the front end cover 2 and the rear, because the fillet 4 and the setting of location portion 5, the setting of extrusion subassembly and arc convex part 7, enable locating hole one 11, locating hole two 12 and through-hole 13 are coaxial, be convenient for people pass locating hole one 11, through-hole 13 and locating hole two 12 in proper order, make front end housing 2 and rear end housing 3 carry out the centre gripping to stator core 1, improve stator core 1 and front end housing 2 and rear end housing 3's joint strength, and make centre bore 16, holding ring 17 and stator core 1 coaxial setting, and then improve the axiality between rotor 19 and the stator core 1, make when coil winding 18 circular telegram, the even effect of rotating magnetic field that produces is on rotor 19, make rotor 19 keep steady rotation, improve series excited machine pivoted stability, and reduce the noise when series excited machine operates.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A domestic series excited machine which characterized in that: including stator core (1), the both ends of stator core (1) can be dismantled and be connected with front end housing (2) and rear end cap (3), be equipped with fillet (4) that set up along stator core (1) axial direction on the periphery wall of stator core (1), the both ends of front end housing (2) and rear end cap (3) are equipped with location portion (5) of pasting in fillet (4) both sides, all be equipped with the extrusion subassembly that is located stator core (1) on the both ends of front end housing (2) and rear end cap (3), be equipped with the centre gripping space that is used for centre gripping stator core (1) between extrusion subassembly and location portion (5), the extrusion subassembly provides the effort of centre gripping stator core (1) all the time.
2. A domestic series motor according to claim 1, wherein: set up two sets of arc wall (6) that are used for holding coil winding (18) on stator core (1) internal perisporium, be equipped with on the internal perisporium of stator core (1) and be located two sets of arc convex part (7) between arc wall (6), the extrusion subassembly is including left folder (8) and right folder (9) that are located two sets of arc wall (6) respectively, left side folder (8) and right folder (9) paste in the surface of arc convex part (7).
3. A domestic series motor according to claim 2, wherein: the left clamping piece (8) and the right clamping piece (9) are arc-shaped, and the left clamping piece (8) and the right clamping piece (9) have elastic recovery characteristics and are used for providing clamping force for clamping the stator core (1).
4. A domestic series motor according to claim 1, wherein: the stator core structure is characterized in that a plurality of caulking grooves (10) located on two sides of the insertion strip (4) are formed in the peripheral wall of the stator core (1), and one side, facing the stator core (1), of the positioning portion (5) is provided with an insertion block embedded in the caulking groove (10).
5. A domestic series motor according to claim 4, wherein: the stator core is characterized in that a first positioning hole (11) and a second positioning hole (12) which are coaxially arranged are formed in the two ends of the front end cover (2) and the rear end cover (3) respectively, a through hole (13) communicated with the first positioning hole (11) and the second positioning hole (12) is formed in the stator core (1), and a fixing bolt (14) penetrating through the first positioning hole (11) and the second positioning hole (12) and used for connecting the front end cover (2) and the rear end cover (3) is arranged in the through hole (13).
6. A domestic series motor according to claim 5, wherein: and the stator core (1) is provided with a heat dissipation groove (15) communicated with the through hole (13), and the width of the heat dissipation groove (15) is smaller than the diameter of the through hole (13).
7. A domestic series motor according to claim 5, wherein: the motor rotor is characterized in that a center hole (16) for accommodating a rotor (19) to penetrate through is formed in the front end cover (2), and a positioning ring (17) which is coaxial with the center hole (16) and the stator core (1) is fixedly connected to one side, facing the front end cover (2), of the rear end cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963067.6U CN211880273U (en) | 2020-05-29 | 2020-05-29 | Household series excited motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963067.6U CN211880273U (en) | 2020-05-29 | 2020-05-29 | Household series excited motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211880273U true CN211880273U (en) | 2020-11-06 |
Family
ID=73234826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020963067.6U Active CN211880273U (en) | 2020-05-29 | 2020-05-29 | Household series excited motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211880273U (en) |
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2020
- 2020-05-29 CN CN202020963067.6U patent/CN211880273U/en active Active
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