CN208226697U - Rotor and motor, compressor - Google Patents
Rotor and motor, compressor Download PDFInfo
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- CN208226697U CN208226697U CN201820959180.XU CN201820959180U CN208226697U CN 208226697 U CN208226697 U CN 208226697U CN 201820959180 U CN201820959180 U CN 201820959180U CN 208226697 U CN208226697 U CN 208226697U
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- rotor
- auxiliary section
- centre bore
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Abstract
The utility model discloses a kind of rotor and motors, compressor, rotor includes: the first auxiliary section, first auxiliary section is stacked by multiple the first rotor iron cores, each the first rotor iron core is formed as annular, and the inner space of multiple the first rotor iron cores stacks the first centre bore to form the first auxiliary section；Second auxiliary section, second auxiliary section is stacked by multiple second rotor cores, each second rotor core is formed as annular, the inner space of multiple second rotor cores stacks the second centre bore to form the second auxiliary section, the internal diameter of second centre bore is greater than the internal diameter of the first centre bore, first auxiliary section and the second auxiliary section are welded to connect, and at least two second rotor cores are welded to connect.Rotor according to the present utility model can optimize the installation space of rotor, and then can reduce the amplitude of fluctuation of crankshaft and rotor when motor operates, and also advantageously improve the rigidity of rotor to guarantee dimensional accuracy of the rotor in carrying or general assembly.
Description
Technical field
The utility model relates to Compressor Technology fields, and in particular to a kind of rotor and motor, compressor.
Background technique
It in the related technology, is the working performance for improving compressor, the height of the motor of compressor incrementally increases, the axis of crankshaft
Diameter gradually reduces, and therefore, in the running, the amplitude that crankshaft and rotor are swung together will increase compressor, on the one hand due to
The amplitude of fluctuation of rotor increases, and can make to generate to wipe between stator and rotor to touch, and then the reliability of motor is caused to reduce；Another party
Face can be such that the abrasion of crankshaft and compression assembly increases, and then lead to the reliability of compressor since the amplitude of fluctuation of crankshaft increases
It reduces.In addition, rotor core in the related technology is fixed by rivet, rigidity is poor, rotor easily occurs in carrying or general assembly
Size and precision are overproof.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of rotor out, the rotor can optimize the installation space of rotor, the amplitude of fluctuation of crankshaft and rotor when can reduce motor operating
Degree, and the rigidity of rotor is also advantageously improved to guarantee dimensional accuracy of the rotor in carrying or general assembly.
The utility model also proposed a kind of motor with above-mentioned rotor.
The utility model also proposed a kind of compressor with above-mentioned motor.
According to the rotor of the utility model embodiment, comprising: the first auxiliary section, first auxiliary section is by multiple first turns
Sub- iron core stacks, and each the first rotor iron core is formed as annular, the inner space of multiple the first rotor iron cores
Stack the first centre bore for forming first auxiliary section；Second auxiliary section, second auxiliary section is by multiple second rotor iron
Core stacks, and each second rotor core is formed as annular, and the inner space of multiple second rotor cores stacks
The second centre bore of second auxiliary section is formed, the internal diameter of second centre bore is greater than the internal diameter of first centre bore,
First auxiliary section and second auxiliary section are welded to connect, and at least two second rotor cores are welded to connect.
According to the rotor of the utility model embodiment, by being greater than the internal diameter of the second centre bore in the first centre bore
Diameter, and make the first auxiliary section and the second auxiliary section welded connecting and at least two second rotor cores welded connecting, thus, it is possible to
The amplitude of fluctuation of crankshaft and rotor when optimizing the installation space of rotor to reduce motor operating, and then be not only advantageous to prevent rotor
Occur to wipe between stator to touch, and be conducive to reduce the abrasion between crankshaft and compression assembly, turns in addition, also advantageously improving
The rigidity of son is to guarantee dimensional accuracy of the rotor in carrying or general assembly.
In some embodiments of the utility model, the sum of the length of first auxiliary section and second auxiliary section is
L1, the length of second auxiliary section are L2, wherein 0.1L1≤L2≤0.5L1.
In some embodiments of the utility model, the sum of the length of first auxiliary section and second auxiliary section is
L1, the length of second auxiliary section are L2, and the length of the weld part on second auxiliary section is L3, wherein 0.5L2≤L3
≤L1。
In some embodiments of the utility model, quantity N≤4 of second rotor core of welded connecting.
In some embodiments of the utility model, the extending direction of the weld part on second auxiliary section with described turn
The axial direction of son is parallel.
In some embodiments of the utility model, the extending direction of the weld part on second auxiliary section with described turn
There is angle between the axial direction of son.
According to the motor of the utility model embodiment, comprising: stator；Rotor, the rotor be above-mentioned rotor, described turn
It is sub to cooperate with the stator.
It is beneficial to prevent between rotor and stator according to the motor of the utility model embodiment by the way that above-mentioned rotor is arranged
Occur to wipe the reliability touched, and then be conducive to improve motor work.
According to the compressor of the utility model embodiment, including above-mentioned motor.
It can be optimized in compressor chamber body according to the compressor of the utility model embodiment by the way that above-mentioned motor is arranged
Installation space, reduce compressor inner part between abrasion, be conducive to improve compressor operating reliability.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view according to the rotor of the utility model embodiment.
Appended drawing reference:
Rotor 100；First auxiliary section 1；First centre bore 1a；Second auxiliary section 2；Second centre bore 2a；Weld part 3；The
One balance weight 4；Second balance weight 5.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " length ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "outside", " axial direction " be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, define " first ",
The feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
Unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Below with reference to Fig. 1 description according to the rotor 100 of the utility model embodiment, rotor 100 and stator (not shown go out)
Cooperation is to convert electrical energy into mechanical energy, and 100 housing of rotor is rotated on crankshaft (not shown go out) periphery wall with band dynamic crankshaft, axis
(not shown go out) housing is held on the periphery wall of crankshaft and is located at the lower end of rotor 100, bearing includes collar (not shown go out)
With flange portion (not shown go out).
As shown in Figure 1, may include the first auxiliary section 1 and the second cooperation according to the rotor 100 of the utility model embodiment
Portion 2.
Specifically, the first auxiliary section 1 is stacked by multiple the first rotor iron cores, each the first rotor iron core is formed as
Annular, the inner space of multiple the first rotor iron cores stack the first centre bore 1a to form the first auxiliary section 1.For example, crankshaft is worn
It crosses the first centre bore 1a and is interference fitted with rotor 100, rotor 100 can be rotated by the first centre bore 1a band dynamic crankshaft.
Second auxiliary section 2 is stacked by multiple second rotor cores, and each second rotor core is formed as annular, multiple
The inner space of second rotor core stacks the second centre bore 2a to form the second auxiliary section 2, and the internal diameter of the second centre bore 2a is big
In the internal diameter of the first centre bore 1a, at least part of collar can be extend into the second centre bore 2a as a result, so as to reduce
The amplitude of fluctuation of rotor 100 and crankshaft when the mounting height of rotor 100 is to reduce motor operating, and then it is not only advantageous to anti-rotation stop
Occur to wipe between son 100 and stator to touch, and is conducive to reduce the abrasion between crankshaft and compression assembly.
First auxiliary section 1 and the second auxiliary section 2 are welded to connect, for example, the first auxiliary section 1 and the second auxiliary section 2 can pass through
Laser welding connection, thus can be improved the rigidity connected between the first auxiliary section 1 and the second auxiliary section 2.
Specifically, at least two second rotor cores are welded to connect.In other words, two or more second rotor iron
Core is welded to connect.For example, weld part 3 can be arranged on the periphery wall of the second auxiliary section 2 so that at least two second rotor iron
Core is welded to connect, or weld part 3 can also be arranged on the hole wall of the second centre bore 2a of the second auxiliary section 2 so that at least two
A second rotor core is welded to connect, and the rigidity and guarantee rotor 100 that the second auxiliary section 2 can be improved as a result, are in carrying or always
Dimensional accuracy when dress.
According to the rotor 100 of the utility model embodiment, by making the internal diameter of the second centre bore 2a be greater than the first centre bore
The internal diameter of 1a, and make the first auxiliary section 1 and the second auxiliary section 2 welded connecting and at least two second rotor cores welded connecting,
Thus, it is possible to optimize the installation space of rotor 100 to reduce the amplitude of fluctuation of crankshaft and rotor 100 when motor operates, and then not
But it is beneficial to prevent between rotor 100 and stator to occur to wipe and touch, and be conducive to reduce the abrasion between crankshaft and compression assembly,
In addition, also advantageously improving the rigidity of rotor 100 to guarantee dimensional accuracy of the rotor 100 in carrying or general assembly.
In some embodiments of the utility model, the sum of length of the first auxiliary section 1 and the second auxiliary section 2 is L1, the
The length of two auxiliary sections 2 is L2, wherein 0.1L1≤L2≤0.5L1.In other words, the first centre bore 1a and the second centre bore 2a
The sum of length is L1, and the length of the second centre bore 2a is L2, wherein 0.1L1≤L2≤0.5L1.It on the one hand can guarantee axis as a result,
At least part of neck can be extend into the second centre bore 2a, so as to reduce the mounting height of rotor 100 to reduce motor
The amplitude of fluctuation of rotor 100 and crankshaft when operating, and then be not only advantageous to prevent to wipe between rotor 100 and stator to touch, and
And be conducive to reduce the abrasion between crankshaft and compression assembly；On the other hand it can guarantee that the first centre bore 1a and crankshaft have enough
Length of fit, to guarantee the normal mounting of rotor 100 and crankshaft.
In some embodiments of the utility model, the sum of length of the first auxiliary section 1 and the second auxiliary section 2 is L1, the
The length of two auxiliary sections 2 is L2, and the length of the weld part 3 on the second auxiliary section 2 is L3, wherein 0.5L2≤L3≤L1.For example,
As shown in Figure 1, weld part 3 is located on the hole wall of the second centre bore 2a and length is L3.Thereby it is ensured that be welded to connect second
The quantity of rotor core, and then the rigidity of the second auxiliary section 2 can be improved and guarantee size of the rotor 100 in carrying or general assembly
Precision.
In some embodiments of the utility model, quantity N≤4 of the second rotor core of welded connecting.It can subtract as a result,
The quantity for the second rotor core being welded to connect less, molding easy to process.
In some embodiments of the utility model, the extending direction and rotor 100 of the weld part 3 on the second auxiliary section 2
Axial direction it is parallel.In other words, as shown in Figure 1, weld part 3 along the second centre bore 2a length direction extend and with second in
The axial direction of heart hole 2a is parallel.Thus it can shorten welding distance, molding easy to process.
In some embodiments of the utility model, the extending direction and rotor 100 of the weld part 3 on the second auxiliary section 2
Axial direction between have angle.In other words, the extending direction and the second centre bore 2a of the weld part 3 on the second auxiliary section 2
Axial direction between have angle.Thus, it is possible to increase welding distance is conducive to the structural strength for improving the second auxiliary section 2.
In some embodiments of the utility model, the first balance weight 4 and the second balance weight 5 are additionally provided on rotor 100, the
One balance weight 4 is arranged on the upper surface of rotor 100, and the second balance weight 5 is arranged on the lower end surface of rotor 100, the first balance
Block 4 and the second balance weight 5 are symmetrical and be exposed at the upper and lower ends of rotor 100, are thus conducive to improve what rotor 100 operated
Balance.
It is described in detail below with reference to specific structure of the Fig. 1 to the rotor 100 of the utility model one embodiment.Certainly
It is understood that described below be intended for explaining the utility model, and it cannot function as a kind of limitation to the utility model.
As shown in Figure 1, according to the rotor 100 of the utility model embodiment, including the first auxiliary section 1 and the second auxiliary section 2.
Specifically, the first auxiliary section 1 is stacked by multiple the first rotor iron cores, each the first rotor iron core is formed as
Annular, the inner space of multiple the first rotor iron cores stack the first centre bore 1a to form the first auxiliary section 1.Crankshaft may pass through
One centre bore 1a is simultaneously interference fitted with rotor 100, and rotor 100 can be rotated by the first centre bore 1a band dynamic crankshaft.
As shown in Figure 1, the second auxiliary section 2 is stacked by multiple second rotor cores, at least two second rotor cores
It is welded to connect, each second rotor core is formed as annular, and the inner space of multiple second rotor cores, which stacks, to be formed second and match
The internal diameter of second the centre bore 2a, the second centre bore 2a in conjunction portion 2 is greater than the internal diameter of the first centre bore 1a.Specifically, the first cooperation
Portion 1 is connected with the second auxiliary section 2 by laser welding.
As shown in Figure 1, the sum of length of the first auxiliary section 1 and the second auxiliary section 2 is L1, the length of the second auxiliary section 2 is
It is L3 that the hole wall of L2, the second centre bore 2a of the second auxiliary section 2, which are equipped with a weld part 3 and the length of weld part 3, wherein
0.1L1≤L2≤0.5L1、0.5L2≤L3≤L1。
As shown in Figure 1, the extending direction of the weld part 3 on the second auxiliary section 2 is parallel with the axial direction of rotor 100.
As shown in Figure 1, being additionally provided with the first balance weight 4 and the second balance weight 5 on rotor 100, the setting of the first balance weight 4 is turning
On the upper surface of son 100, the second balance weight 5 is arranged on the lower end surface of rotor 100, and the first balance weight 4 and the second balance weight 5 are right
Claim distribution and is exposed at the upper and lower ends of rotor 100.
At least part of the collar of bearing can be extend into the second centre bore 2a as a result, so as to reduce rotor 100
Mounting height to reduce motor operating when rotor 100 and crankshaft amplitude of fluctuation, and then be not only advantageous to prevent rotor 100 with
Occur to wipe between stator to touch, and is conducive to reduce the abrasion between crankshaft and compression assembly.
According to the motor of the utility model embodiment, the rotor 100 including stator and the utility model above-described embodiment turns
Son 100 cooperates with stator converts electrical energy into mechanical energy to realize.
According to the motor of the utility model embodiment, by the way that the rotor 100 of the utility model above-described embodiment is arranged, favorably
In prevent between rotor 100 and stator occur wipe touch, and then be conducive to improve motor work reliability.
According to the compressor of the utility model embodiment, the motor including the utility model above-described embodiment.
It, can be with by the way that the motor of the utility model above-described embodiment is arranged according to the compressor of the utility model embodiment
Optimize the installation space in compressor chamber body, reduce the abrasion between compressor inner part, is conducive to improve compressor operating
Reliability.
Other compositions such as compression mechanism and bearing according to the compressor of the utility model embodiment etc. and operation pair
For those of ordinary skill in the art be all it is known, be not detailed herein.
In the description of this specification, the description of reference term " some embodiments " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.At this
In specification, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, description is specific
Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (8)
1. a kind of rotor characterized by comprising
First auxiliary section, first auxiliary section are stacked by multiple the first rotor iron cores, each the first rotor iron core
Be formed as annular, the inner space of multiple the first rotor iron cores stacks the first centre bore to form first auxiliary section；
Second auxiliary section, second auxiliary section are stacked by multiple second rotor cores, each second rotor core
Being formed as annular, the inner space of multiple second rotor cores stacks the second centre bore to form second auxiliary section,
The internal diameter of second centre bore is greater than the internal diameter of first centre bore, first auxiliary section and second auxiliary section weldering
It connects in succession, at least two second rotor cores are welded to connect.
2. rotor according to claim 1, which is characterized in that the length of first auxiliary section and second auxiliary section
The sum of be L1, the length of second auxiliary section is L2, wherein 0.1L1≤L2≤0.5L1.
3. rotor according to claim 1, which is characterized in that the length of first auxiliary section and second auxiliary section
The sum of be L1, the length of second auxiliary section is L2, and the length of the weld part on second auxiliary section is L3, wherein
0.5L2≤L3≤L1。
4. rotor according to claim 1, which is characterized in that the quantity N of second rotor core of welded connecting≤
4。
5. rotor according to claim 1, which is characterized in that the extending direction of the weld part on second auxiliary section with
The axial direction of the rotor is parallel.
6. rotor according to claim 1, which is characterized in that the extending direction of the weld part on second auxiliary section with
There is angle between the axial direction of the rotor.
7. a kind of motor characterized by comprising
Stator；
Rotor, the rotor are according to rotor of any of claims 1-6, and the rotor and the stator cooperate.
8. a kind of compressor, which is characterized in that including motor according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959180.XU CN208226697U (en) | 2018-06-20 | 2018-06-20 | Rotor and motor, compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959180.XU CN208226697U (en) | 2018-06-20 | 2018-06-20 | Rotor and motor, compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226697U true CN208226697U (en) | 2018-12-11 |
Family
ID=64505186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820959180.XU Active CN208226697U (en) | 2018-06-20 | 2018-06-20 | Rotor and motor, compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208226697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551217A (en) * | 2018-06-20 | 2018-09-18 | 广东美芝制冷设备有限公司 | Rotor and motor, compressor |
-
2018
- 2018-06-20 CN CN201820959180.XU patent/CN208226697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551217A (en) * | 2018-06-20 | 2018-09-18 | 广东美芝制冷设备有限公司 | Rotor and motor, compressor |
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