CN209462115U - Rotor punching, rotor core, rotor, motor and household electrical appliance - Google Patents
Rotor punching, rotor core, rotor, motor and household electrical appliance Download PDFInfo
- Publication number
- CN209462115U CN209462115U CN201920564786.8U CN201920564786U CN209462115U CN 209462115 U CN209462115 U CN 209462115U CN 201920564786 U CN201920564786 U CN 201920564786U CN 209462115 U CN209462115 U CN 209462115U
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- rotor
- rotor punching
- magnetic
- magnetic slot
- slot
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Abstract
The utility model provides a kind of rotor punching, rotor core, rotor, motor and the household electrical appliance with this kind of motor, rotor punching has the multiple magnetic slots being circumferentially arranged along the rotor punching, the inner wall of magnetic slot is recessed backwards to magnetic slot and forms injection port, and injection port runs through rotor punching along the thickness direction of rotor punching.Injection port is used for filling adhesive, after rotor punching overlapping, multiple injection ports are along axial connection at the first filling slot, adhesive is then flowed and is filled between the axial ends of rotor core along the first filling slot, it is sufficiently bonded between magnet steel and rotor punching, magnet steel play is reduced, noise is reduced, improves stability when motor operation.
Description
Technical field
The utility model relates to field of motor manufacturing, and in particular to a kind of rotor punching, rotor core, rotor, electricity
Machine and household electrical appliance with the motor.
Background technique
In a kind of existing high-speed permanent magnet motor, rotor includes rotor core and more magnetic being inserted into rotor core
Steel, rotor core are successively formed by stacking along axial direction by multi-disc rotor punching, are provided in rotor punching and match with magnet steel outer profile
Magnetic slot.When carrying out the installation between magnet steel and rotor core, first by magnet steel inserting into magnetic slot, mesh is reached to magnet steel
After cursor position, the filling adhesive at the gap of magnet steel extended between both ends end face and the end face and rotor core.
Existing this kind of rotor the problem is that, due to only viscous in axial ends between magnet steel and rotor core
It closes, bond area between the two is small, and magnet steel is easy to happen play when motor operation, influences the stability of motor and generates noise.
Summary of the invention
The first of the utility model is designed to provide a kind of rotor punching for improving stability.
The second of the utility model is designed to provide a kind of rotor core for improving stability.
The third of the utility model is designed to provide a kind of rotor for improving stability.
The 4th of the utility model is designed to provide a kind of motor for improving stability.
The 5th of the utility model is designed to provide a kind of household electrical appliance that performance improves.
The rotor punching of the offer of the first mesh of the utility model has the multiple magnet steel being circumferentially arranged along the rotor punching
The inner wall of slot, magnetic slot is recessed backwards to magnetic slot and forms injection port, and injection port runs through along the thickness direction of rotor punching to be turned
Sub- punching.
By above scheme as it can be seen that injection port is for injecting adhesive, after rotor punching overlapping, multiple injection ports are along axial
It is connected into the first filling slot, adhesive is then flowed and is filled between the axial ends of rotor core along the first filling slot, magnet steel
It is sufficiently bonded between rotor punching, reduces magnet steel play, reduce noise, improve stability when motor operation.
Further embodiment is that rotor punching has at least two magnetic slot groups, and each magnetic slot group includes at least two
Magnetic slot；In each magnetic slot group, runner, thickness of the runner along rotor punching are provided between two magnetic slots of arbitrary neighborhood
Rotor punching is run through in direction；In magnetic slot group, the inner wall of at least one magnetic slot forms injection port.
Therefore setting is used for filling adhesive runner between two adjacent magnetic slots, after rotor punching overlapping,
Multiple runners along axial connection at the second filling slot, adhesive then along flow passage and be filled in rotor core axial ends it
Between, between magnet steel and rotor punching, sufficiently bonding, reduces magnet steel play, reduces noise, improve between two adjacent magnet steel
Stability when motor operation.
Further embodiment is that the interconnecting piece of magnetic slot is connected with the extended end portion of runner, and the first width of interconnecting piece is big
In the second width of extended end portion.
Therefore this setting effectively can carry out position restriction to the magnet steel being located in the magnetic slot of runner two sides two, subtract
Few magnet steel play.
Further embodiment is that stage portion is formed between interconnecting piece and extended end portion.
Therefore this setting keeps the processing of runner simpler, improves production efficiency.
Further embodiment is to successively decrease variation from the first width between interconnecting piece and extended end portion as the second width.
Therefore this setting reduces stress concentration point between runner and magnetic slot, enhances the intensity of rotor punching.
Further embodiment is that runner is along linear extension between two adjacent magnetic slots.
Therefore linearly extended runner reduces the loss to rotor punching, increases the self-strength of rotor punching.
Further embodiment is that runner is extended along camber line between two adjacent magnetic slots.
Therefore the runner that camber line extends can increase the mobility for improving adhesive and increase bond area.
Further embodiment is that runner extends at the spacing minimum between two adjacent magnetic slots.
Therefore this setting further increases the self-strength of rotor punching and reduces difficulty of processing.
Further embodiment is that magnetic slot group includes at least three magnetic slots being connected；In magnetic slot group, injection port position
At first magnetic slot in the order of connection and the magnetic slot other than the last one magnetic slot.
Therefore injection port is arranged at the magnetic slot at middle part, after adhesive injection to injection port, adhesive simultaneously to
Other magnetic slot diverging flows of two sides improve adhesion efficiency.
Further embodiment is, in magnetic slot group, the quantity of magnetic slot is three；In magnetic slot group, injection port, which is located at, to be connected
It connects at second magnetic slot in sequence.
Therefore this is provided in connection with the optimum way obtained after adhesive flow velocity and magnetic slot group quantity, it can be into one
Step improves adhesion efficiency.
Further embodiment is that injection port is recessed on the inner wall of magnetic slot in arc-shaped.
Therefore the arc-shaped mobility that can improve adhesive of injection port profile, thus improvement effect.
Further embodiment is, magnetic slot is extended in a first direction in elongated, and in a first direction, injection port is located at magnet steel
The extension middle part of slot and/or extended end portion.
Therefore if the magnetic slot connected in magnetic slot group is odd number, injection port is arranged in the middle part of the extension of magnetic slot
It more reaches two terminads of flowing simultaneously using adhesive, if the magnetic slot connected in magnetic slot group is even numbers, is arranged in magnetic slot
Extended end portion more utilize adhesive and meanwhile reach flowing two terminads.
Further embodiment is that the inner wall of magnetic slot is recessed backwards to magnetic slot and forms charging port, and charging port is along rotor
The thickness direction of punching runs through rotor punching, forms abutment plane in charging port.
Therefore after rotor punching overlapping leads to charging port in the adhesive stream after rotor core, injected from injection port
And become with large volume of filling part, filling part and abutment plane cooperation can be further improved between magnet steel and rotor core
Cooperation intensity.
Further embodiment is that two charging ports are respectively formed in the opposite sides of magnetic slot, is located at same magnetic slot
The direction of the abutment plane of two charging ports is opposite in opposite sides.
Therefore position of the magnet steel in magnetic slot can be further fixed towards two opposite abutment planes, it improves
Adhesive strength.
Further embodiment is the circumferential direction for being oriented rotor punching of abutment plane.
Therefore the circumferential active force being subject to after rotor rotation is larger, this side up, raising adhesive strength can be into one
Step improves the stability of motor.
The rotor core of the offer of the second mesh of the utility model includes along the multi-disc rotor punching axially overlapped, rotor punching
Using above-mentioned rotor punching, multiple injection ports form the first filling slot along the axial connection of rotor core.
The rotor that the utility model third purpose provides, including rotor core and the magnetic being plugged in rotor core
Steel, rotor core use above-mentioned rotor core, and magnet steel is plugged in magnetic slot, and adhesive is filled in the first filling slot.
The motor of the offer of the 4th mesh of the utility model includes motor stator and rotor, and rotor is using above-mentioned
Rotor.
The household electrical appliance of the offer of the 5th mesh of the utility model include electric appliance casing and the motor that is fixed in electric appliance casing,
Motor uses above-mentioned motor.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model rotor punching first embodiment.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the enlarged drawing in Fig. 2 at B.
Fig. 4 is the enlarged drawing in Fig. 2 at C.
Fig. 5 is the partial schematic diagram of the utility model rotor core first embodiment.
Fig. 6 is the structure chart of the utility model rotor punching second embodiment.
Fig. 7 is the enlarged drawing in Fig. 6 at D.
Fig. 8 is the partial schematic diagram of the utility model rotor punching 3rd embodiment.
Fig. 9 is the partial schematic diagram of the utility model rotor punching fourth embodiment.
Specific embodiment
Rotor punching first embodiment
It is the structural plan figure of the utility model rotor punching first embodiment referring to Fig. 1, Fig. 1.The utility model request
The household electrical appliance of protection are the household electrical appliance that motor is fixed in its electric appliance casing, such as air-conditioning, washing machine and smoke exhaust ventilator.Electricity
Machine includes motor stator and rotor, and rotor includes rotor core and be inserted into the magnetic slot of rotor core more
Magnet steel.Wherein rotor core along its multi-disc rotor punching 1 axially successively overlapped by forming.Have on rotor punching 1 along its week
To four magnetic slot groups 2 being uniformly arranged, each magnetic slot group 2 includes three connected magnetic slots 20.
It is the enlarged drawing in Fig. 1 at A in conjunction with Fig. 2 and Fig. 3, Fig. 2, Fig. 3 is the enlarged drawing in Fig. 2 at B.In rotor punching 1
Axial view on, magnetic slot 20 along linear extension on the periphery of rotor punching 1, and in magnetic slot group 2, previous magnetic slot
Length direction second end of the 20 length direction first end towards the latter magnetic slot 20, and the length of two adjacent magnetic slots 20
The circular contour of rotor punching 1 is adapted between degree direction with certain drift angle.
In magnetic slot group 2, it is connected between two adjacent magnetic slots 20 by runner 22.Runner 22 is along rotor punching 1
Thickness direction runs through rotor punching 1, and runner 22 is along linear extension, and runner 22 connects the length direction the of previous magnetic slot 20
Between one end and the length direction second end of the latter magnetic slot 20.The part that magnetic slot 20 is connect with runner 22, i.e. magnetic slot
The part of close 22 entrance of runner is interconnecting piece 202 in 20, and the part of close magnetic slot 20 is extended end portion in runner 22
221。
The interconnecting piece 202 of magnetic slot 20 has perpendicular to 22 extending direction of runner and perpendicular to 1 thickness direction of rotor punching
The first width w1, the extended end portion 221 of runner 22 has perpendicular to its extending direction and perpendicular to 1 thickness direction of rotor punching
The second width w2, due between the first width w1 to the second width w2 staged reduce, in interconnecting piece 202 and elongated end
Stage portion 203 is formd between portion 221, stage portion 203, which has towards magnetic slot 20, keeps out face 204, and magnet steel is placed into magnet steel
After slot 20, magnet steel can be carried out to keep out limit by keeping out face 204.
Referring to fig. 2, in magnetic slot group 2, on connection order, the medial surface 201 of second magnetic slot 20 is backwards to magnet steel
20 indent of slot and form an injection port 21, injection port 21 along rotor punching 1 thickness direction run through rotor punching 1.Injection port
21 are recessed on the inner wall 201 of magnetic slot 20 in arc-shaped, and on the length direction of the magnetic slot 20, injection port 21 is located at magnetic
In the middle part of the extension of steel tank 20, in three magnetic slots 20 that injection port 21 is used to for adhesive injection being connected, due to from injection port
The adhesive of 21 injections will be flowed toward opposite both direction, on the extension line that multiple magnetic slots 20 are connected in magnetic slot group 2,
If the injection port 21 more can guarantee the charging efficiency of adhesive closer to the middle position of the extension line.In other embodiments
In, the section of injection port 21 can be square, triangle or other geometries.
It is the enlarged drawing in Fig. 2 at C in conjunction with Fig. 2 and Fig. 4, Fig. 4.In magnetic slot group 2, on connection order, first magnetic
Charging port 23 and charging port 24 are provided on steel tank 20 and third magnetic slot 20.By taking first magnetic slot 20 as an example, the magnetic
On the inner wall 201 of steel tank 20, charging port 23 and charging port are respectively arranged in the two sides of the 20 length extending direction of magnetic slot
24, charging port 23 and charging port 24 are from the recess of magnetic slot 20 formation, and the recess direction of charging port 23 backwards of inner wall 201
It is contrary with the recess of charging port 24；Abutment plane 231 is formed in charging port 23, forms abutment plane 241 in charging port 24,
Abutment plane 231 is oriented circumferential first direction, and abutment plane 241 is oriented the circumferential direction opposite with axial first direction the
Two directions.
In addition, on connection order, charging port 23 and charging port on first magnetic slot 20 and third magnetic slot 20
24 are arranged on one end far from second magnetic slot 20, and the circumferential active force being subject to after rotor rotation is larger, and adhesive is filled out
The obturator formed after charging port 23 and charging port 24 is charged to abut with abutment plane 231 and abutment plane 241 to improve and match
Intensity is closed, magnetic slot group 2 as a whole, which extends adhesive strength between both ends and magnet steel in its length, to be enhanced, and can be improved and be turned
The integral strength of son.
It is the partial schematic diagram of the utility model rotor core first embodiment referring to Fig. 5, Fig. 5.1 overlapping group of rotor punching
After rotor core, multiple injection ports 21 become the first filling slot along the axial connection of rotor core, and multiple runners 22 are along rotor
The axial connection of iron core becomes the second filling slot, and multiple charging ports 23 become third filling slot along the axial connection of rotor core,
Multiple charging ports 24 become the 4th filling slot along the axial connection of rotor core.With magnetic slot group 2 one of on rotor punching 1
For, after each magnetic slot 20 inserts a magnet steel 3, formed between the inner wall 201 of magnet steel 3 and magnetic slot 20 around magnetic
Gap outside steel 3, adhesive enter the first filling slot from the injection of injection port 21 on second magnetic slot 20, subsequent adhesive
From the first filling slot through above-mentioned gap to the length direction both ends diverging flow of magnetic slot 20, then formed by runner 22 the
Two filling slots are flow in first magnetic slot 20 and third magnetic slot 20, subsequently enter third filling slot and the 4th filling
Slot, until the gap and above-mentioned first filling slot, the second filling slot, third between magnet steel 3 and the inner wall 201 of magnetic slot 20 are filled out
It fills slot and the 4th filling slot fills up or due to air pressure and until can not being perfused.The inner wall 201 of magnet steel 3 and magnetic slot 20 it
Between abundant bonding, reduce magnet steel play, reduce noise, improve motor operation when stability.
Rotor punching second embodiment
It is the structural plan figure of the utility model rotor punching second embodiment referring to Fig. 6 and Fig. 7, Fig. 6, Fig. 7 is in Fig. 6
Enlarged drawing at D.In the present embodiment, three groups of magnetic slot groups 5 are provided on rotor punching 4, and there are four every group of tools of magnetic slot group 5
Magnetic slot 50 interconnected.By taking a magnetic slot group 5 as an example, in the order of connection, injection port 51 is arranged in second magnet steel
The end of length extending direction on slot 50, and injection port 51 is close to third magnetic slot 50.Due to magnetic slot 50 in magnetic slot group 5
Quantity be even numbers, for improve adhesive from injection port 51 injection after to opposite two to perfusion complete sync rates, injection port 51
It should be arranged in closer at the center on the extension line of magnetic slot group 5, i.e., closer to second magnetic slot 50 and third
At runner 52 between magnetic slot 50.
Preferably, in the present embodiment or in the other embodiments in magnetic slot group with more magnetic slots, even
It connects sequentially, other magnetic slots other than first magnetic slot and the last one magnetic slot, for the inner wall for improving these magnetic slots
One or more charging ports being recessed can be arranged in the inner wall of these magnetic slots in bondability between face and magnet steel.Such as this
In embodiment, filling slot 53 is equipped in third magnetic slot 50.
Rotor punching 3rd embodiment
It is the partial schematic diagram of the utility model rotor punching 3rd embodiment referring to Fig. 8, Fig. 8.In the present embodiment, from magnetic
The interconnecting piece 602 of steel tank 60 to runner 62 extended end portion 622 between, change width from the first width w1 linear decline be second
Width w2, i.e. interconnecting piece 602 are gradually reduced to width between extended end portion 622.
Rotor punching fourth embodiment
It is the partial schematic diagram of the utility model rotor punching fourth embodiment referring to Fig. 9, Fig. 9.In the present embodiment, runner
72 are not connected between the length extended end portion of two neighboring magnetic slot 70, but are connected to two magnetic slots 70 along camber line
Between the side wall surface of width direction.
In other embodiments, no matter how to arrange between two adjacent magnetic slots, runner is connected to phase along straight line
At spacing minimum between two adjacent magnetic slots, to guarantee the flow velocity and fluency of adhesive.In addition, it should be noted that
In the present specification in cited multiple embodiments and other embodiments, since multiple magnetic slots are logical in each magnetic slot group
It crosses runner to be connected, if magnetic slot all on rotor punching forms unique magnetic slot group by runner connection, turn actually
Sub- punching has been fully segmented as two unitary parts.Therefore the setting quantity of rotor punching upper magnetic steel slot group should be two or
It is more than two.
Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality
With novel, for those skilled in the art, the utility model can have various change and change.It is all in the utility model
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model
Within enclosing.
Claims (19)
1. rotor punching has the multiple magnetic slots being circumferentially arranged along the rotor punching, it is characterised in that:
The inner wall of the magnetic slot is recessed backwards to the magnetic slot and forms injection port, and the injection port is along the rotor punching
Thickness direction run through the rotor punching.
2. rotor punching according to claim 1, it is characterised in that:
The rotor punching has at least two magnetic slot groups, and each magnetic slot group includes at least two magnetic slots；
In each magnetic slot group, runner is provided between two magnetic slots of arbitrary neighborhood, the runner is described in
The thickness direction of rotor punching runs through the rotor punching；
In the magnetic slot group, the inner wall of at least one magnetic slot forms the injection port.
3. rotor punching according to claim 2, it is characterised in that:
The interconnecting piece of the magnetic slot is connected with the extended end portion of the runner, and the first width of the interconnecting piece is greater than described prolong
Stretch the second width of end.
4. rotor punching according to claim 3, it is characterised in that:
Stage portion is formed between the interconnecting piece and the extended end portion.
5. rotor punching according to claim 3, it is characterised in that:
Successively decrease variation from first width between the interconnecting piece and the extended end portion as second width.
6. rotor punching according to claim 2, it is characterised in that:
The runner is along linear extension between two adjacent magnetic slots.
7. rotor punching according to claim 2, it is characterised in that:
The runner is extended along camber line between two adjacent magnetic slots.
8. rotor punching according to claim 2, it is characterised in that:
The runner extends at the spacing minimum between two adjacent magnetic slots.
9. rotor punching according to claim 2, it is characterised in that:
The magnetic slot group includes at least three magnetic slots being connected；
In the magnetic slot group, the injection port is located at first magnetic slot and the last one described magnet steel in the order of connection
At the magnetic slot other than slot.
10. rotor punching according to claim 9, it is characterised in that:
In the magnetic slot group, the quantity of the magnetic slot is three；
In the magnetic slot group, the injection port is located at second magnetic slot in the order of connection.
11. the rotor punching according to any of claims 1 to 10, it is characterised in that:
The injection port is recessed on the inner wall of the magnetic slot in arc-shaped.
12. the rotor punching according to any of claims 1 to 10, it is characterised in that:
The magnetic slot is extended in a first direction in elongated, and in said first direction, the injection port is located at the magnetic slot
Extension in the middle part of and/or extended end portion.
13. the rotor punching according to any of claims 1 to 10, it is characterised in that:
The inner wall of the magnetic slot is recessed backwards to the magnetic slot and forms charging port, and the charging port is along the rotor punching
Thickness direction run through the rotor punching, abutment plane is formed in the charging port.
14. rotor punching according to claim 13, it is characterised in that:
Two charging ports are respectively formed in the opposite sides of the magnetic slot, are located at the same magnetic slot opposite sides
The direction of the abutment plane of upper two charging ports is opposite.
15. rotor punching according to claim 13, it is characterised in that:
The circumferential direction for being oriented the rotor punching of the abutment plane.
16. rotor core, including along the multi-disc rotor punching axially overlapped, it is characterised in that:
The rotor punching uses the described in any item rotor punchings of the claims 1 to 15, and multiple injection ports are along institute
The axial connection of rotor core is stated into the first filling slot.
17. rotor, including rotor core and the magnet steel being plugged in the rotor core, it is characterised in that:
The rotor core is plugged in the magnetic slot using rotor core described in the claims 16, the magnet steel,
And adhesive is filled in first filling slot.
18. motor, including motor stator and rotor, it is characterised in that:
The rotor is using rotor described in the claims 17.
19. household electrical appliance, including electric appliance casing and the motor being fixed in electric appliance casing, it is characterised in that:
The motor is using motor described in the claims 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564786.8U CN209462115U (en) | 2019-04-22 | 2019-04-22 | Rotor punching, rotor core, rotor, motor and household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920564786.8U CN209462115U (en) | 2019-04-22 | 2019-04-22 | Rotor punching, rotor core, rotor, motor and household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462115U true CN209462115U (en) | 2019-10-01 |
Family
ID=68048137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920564786.8U Active CN209462115U (en) | 2019-04-22 | 2019-04-22 | Rotor punching, rotor core, rotor, motor and household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489183A (en) * | 2021-07-01 | 2021-10-08 | 河南通宇新源动力有限公司 | Permanent magnet motor rotor punching sheet with self-inclined poles and permanent magnet motor |
-
2019
- 2019-04-22 CN CN201920564786.8U patent/CN209462115U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489183A (en) * | 2021-07-01 | 2021-10-08 | 河南通宇新源动力有限公司 | Permanent magnet motor rotor punching sheet with self-inclined poles and permanent magnet motor |
| CN113489183B (en) * | 2021-07-01 | 2023-08-29 | 河南通宇新源动力有限公司 | Self-inclined pole permanent magnet motor rotor punching sheet and permanent magnet motor |
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