CN205986467U - Rotor balancing piece and motor, compressor that have it - Google Patents
Rotor balancing piece and motor, compressor that have it Download PDFInfo
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- CN205986467U CN205986467U CN201620909919.7U CN201620909919U CN205986467U CN 205986467 U CN205986467 U CN 205986467U CN 201620909919 U CN201620909919 U CN 201620909919U CN 205986467 U CN205986467 U CN 205986467U
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Abstract
The utility model discloses a rotor balancing piece, the rotor balancing piece is established on the rotor and is included: this somatic part, this somatic part have neighbouring rotor the internal surface, keep away from the surface of rotor and connect between internal surface and surface and lie in the upwind -side face and the leeward terminal surface at the both ends on the rotor balancing piece length direction, wherein, in surface, upwind -side face and the leeward terminal surface at least one is constructed the orientation and is kept away from the convex smooth curved surface of rotor balancing piece center directions. According to the utility model discloses a rotor balancing piece is through the appearance of optimizing the rotor balancing piece to reduce the resistance that facings the wind of rotor balancing piece effectively, makeed the oily rate of telling of compressor reduce, improved the overall efficiency of compressor.
Description
Technical field
This utility model is related to compressor apparatus technical field, especially relates to a kind of rotor balance and has its electricity
Machine, compressor.
Background technology
Rotary compressor in correlation technique, during work, rotor balance rotates with rotor and produces windage,
Windage is bigger, compressor tell that oil cut rate is higher, performance is poorer.Person skilled has carried out substantial amounts of research for this problem,
But all cannot find not only economic but also reliable solution.
Utility model content
This utility model is intended at least solve one of technical problem present in prior art.For this reason, this utility model exists
In proposing a kind of rotor balance, the frontal resistance of described rotor balance is little, and can be effectively reduced compressor tells oil cut rate,
Improve the efficiency of compressor.
This utility model also proposes a kind of motor with above-mentioned rotor balance.
This utility model also proposes a kind of compressor with above-mentioned motor.
According to the rotor balance of this utility model first aspect, described rotor balance is located at an axially side of rotor
On face and include:Body, described body has the inner surface of described axial direction one side end face of neighbouring described rotor, away from institute
State the outer surface of described axial direction one side end face of rotor and be connected between described inner surface and described outer surface and be located at institute
State the end face windward at two ends and the leeward end face on rotor balance length direction, wherein, described outer surface, described windward side
At least one of face and described leeward end face are configured to be directed away from the smooth of described rotor balance center position protrusion
Curved surface.
According to rotor balance of the present utility model, by optimizing the profile of rotor balance, thus significantly reducing
The frontal resistance of rotor balance, so that the oil cut rate of telling of compressor reduces, improves the overall efficiency of compressor, and, this solution
The certainly good economy performance of scheme, can popularization strong.
In certain embodiments, limit between described outer surface and described inner surface scanned along camber line by predetermined section and
Become scans portion.
In certain embodiments, described predetermined section is semicircle, and the described curved surface scanning portion is configured to described outer
Surface, the described plane surface scanning portion is configured to described inner surface.
In certain embodiments, described end face windward and/or described leeward end face are formed as 1/4 spherical surface or flat table
Face.
In certain embodiments, described outer surface, described end face windward and described leeward end face are configured to towards far
From described rotor balance center position protrude smooth surface and smoothly transit connected.
In certain embodiments, described rotor balance also includes:Base portion, described base portion is connected to described body
Described inner surface on and with described rotor directly contact.
In certain embodiments, described rotor balance has securing member and connect perforation.
In certain embodiments, the central position on the width of described outer surface is formed with along described outer surface
The mounting plane that length direction extends.
According to the motor of this utility model second aspect, including:Stator, rotor and according to this utility model first aspect
Rotor balance.
According to motor of the present utility model, by arranging the rotor balance of above-mentioned first aspect, thus improve motor
Overall performance.
According to the compressor of this utility model third aspect, including the motor according to this utility model second aspect.
According to compressor of the present utility model, by arranging the motor of above-mentioned second aspect, thus improve compressor
Overall performance.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Fig. 1 is the top view of rotor according to this utility model embodiment and rotor balance;
Fig. 2 is the profile along the line A-A shown in Fig. 1;
Fig. 3 is the axonometric chart of the rotor balance according to this utility model embodiment one;
Fig. 4 is the axonometric chart of the rotor balance according to this utility model embodiment two;
Fig. 5 is the axonometric chart of the rotor balance according to this utility model embodiment three;
Fig. 6 is the axonometric chart of the rotor balance according to this utility model example IV;
Fig. 7 is the axonometric chart of the rotor balance according to this utility model embodiment five;
Fig. 8 is the axonometric chart of the rotor balance according to this utility model embodiment six.
Reference:
Rotor 1;Through hole 11;
Rotor balance 2;
Body 21;Base portion 22;Predetermined section 210;
Inner surface 211;Outer surface 212;End face 213 windward;Leeward end face 214;Perforation 215;Mounting plane 216.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.For
Simplification disclosure of the present utility model, is hereinafter described to the part and setting of specific examples.Certainly, they only show
Example, and purpose does not lie in restriction this utility model.Additionally, this utility model can in different examples repeat reference numerals
And/or letter.This repeat to be for purposes of simplicity and clarity, itself do not indicate discussed various embodiment and/or set
Relation between putting.Additionally, the example of the various specific technique that provides of this utility model and material, but this area is common
Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.
Below, with reference to Fig. 1-8 description according to the rotor balance 2 of this utility model embodiment, motor and compressor.
Specifically, rotor balance 2 is used for the rotor 1 in motor, and motor is used for compressor.Compressor can include shell
Body, motor and compression mechanism, motor and compression mechanism are each provided in housing and are connected by bent axle, logical during motor work
Cross crankshaft-drive compressors structure and operation is compressed to cold-producing medium.Here it is possible to be understood by, compressor can be rotary pressure
Contracting machine, turbocompressor etc., the structure for the compression mechanism of the every kind of compressor and operation principle common skill for this area
It is all known for art personnel, be not detailed herein.
Further, motor includes rotor 1 and stator, and motor can be inner rotor type motor or external rotor electric machine, its
In, when motor is for inner rotor type motor, rotor 1 is rotatably arranged inside stator and drives bent axle rotation, when motor is outer
During rotor motor, rotor 1 is rotatably arranged at the outside of stator and drives bent axle rotation.Below, only with motor as internal rotor
Illustrate as a example formula motor, it is clear that being appreciated that motor is after those skilled in the art have read techniques below scheme
The technical scheme of external rotor electric machine.
In some embodiments of the present utility model, see figures.1.and.2, rotor 1 is formed generally as cylindrical, and turn
Can have along it axially through the through hole 11 for inserting bent axle on son 1, the axial both sides end face of rotor 1 can be distinguished
It is provided with a rotor balance 2, each rotor balance 2 all can be formed as along the circumferentially extending arc block of rotor 1 and close
The contour edge setting of rotor 1 axial end.
Below, with reference to Fig. 3-8, the rotor balance 2 according to this utility model embodiment is described.
As shown in Figure 3 and combine Fig. 2, rotor balance 2 includes:Body 21, body 21 has inner surface 211, outer
Surface 212, windward end face 213 and leeward end face 214, wherein, inner surface 211 is the side table of the adjacent rotor 1 of body 21
Face, outer surface 212 be body 21 away from a side surface of rotor 1, windward end face 213 and leeward end face 214 be body
Two end faces on 21 length directions, and be both connected between inner surface 211 and outer surface 212.
Here, it should be noted that in description herein, the length of rotor balance 2 refers to rotor balance 2 and exists
Length in rotor 1 circumference, the length direction of rotor balance 2 refers to the bearing of trend of the length of rotor balance 2 (for example
In Fig. 1 shown in the double arrow of L).The width of rotor balance 2 refers to rotor balance 2 width in rotor 1 radially, rotor
The width of balance weight 2 refers to the bearing of trend (in such as Fig. 1 shown in the double arrow of S) of the width of rotor balance 2.Rotor
The height of balance weight 2 refers to height in rotor 1 axial direction for the rotor balance 2, and the short transverse of rotor balance 2 refers to
The bearing of trend (in such as Fig. 2 shown in the double arrow of H) of the height of rotor balance 2.
Outer surface 212, windward at least one of end face 213 and leeward end face 214 are configured to be directed away from rotor and put down
The smooth surface that weighing apparatus block 2 center position protrudes.That is, outer surface 212 can be configured to be directed away from rotor balance 2
The smooth surface that heart direction is protruded, that is, outer surface 212 can be for being directed away from the smooth surface that rotor 1 direction bloats;Windward side
Face 213 can also be configured to be directed away from the smooth surface of rotor balance 2 center position protrusion, and that is, end face 213 is permissible windward
For being directed away from the smooth surface that leeward end face 214 direction bloats;Leeward end face 214 can also be configured to be directed away from rotor and put down
The smooth surface that weighing apparatus block 2 center position protrudes, that is, leeward end face 214 can be directed away from end face 213 direction windward and bloat
Smooth surface.
Here, it should be noted that windward end face 213 refer to:During rotor 1 rotor driven balance weight 2 rotates,
The end face being in one end of state windward on rotor balance 2 bearing of trend;Leeward end face 214 refers to:Rotor 1 drives and turns
During quantum balancing block 2 rotates, the end face of the one end being in leeward state on rotor balance 2 bearing of trend.
Thus, the rotor balance 2 according to this utility model embodiment, by by the outer surface 212 of body 21, windward
At least one of end face 213 and leeward end face 214 are configured to be directed away from the light of rotor balance 2 center position protrusion
Sliding curved surface, such that it is able to be effectively reduced the windage windward of rotor balance 2, reduces rotor balance 2 to flow perturbation, and then
Reduce the oil cut rate of telling of compressor, improve the overall performance of compressor.
In some embodiments of the present utility model, limit by predetermined section between outer surface 212 and inner surface 211
210 scan portion that is to say, that the both sides of the edge on outer surface 212 width and inner surface 211 are wide along what camber line scanned
Both sides of the edge on degree direction are corresponding to be connected, so that remainder in addition to the two ends on its length direction for the body 21 is equal
For scanning body, scan body refer to each section in their extension direction all with predetermined section 210 identical three-dimensional shape.By
This, the structure of rotor balance 2 is simpler, convenient processing, low production cost.
Preferably, as shown in figure 3, predetermined section 210 can be semicircle, now, the portion of scanning is in their extension direction
Each section is semicircle, and the curved surface scanning portion is configured to outer surface 212, and the plane surface scanning portion is configured to interior table
Face 211.Thus, it is possible to reduce the overall resistance of rotor balance 2 further, improve the overall performance of rotor balance 2.
In some preferred embodiments of the present utility model, end face 213 and/or leeward end face 214 are formed as 1/4 ball windward
Shape surface or plane surface.That is, end face 213, it is so structured that 1/4 spherical surface (as shown in figures 3 to 6), is met windward
Wind end face 213 can also be configured to plane surface (as shown in Figure 7 and Figure 8), and leeward end face 214 is so structured that 1/4 spherical watch
Face (as shown in Fig. 3-Fig. 5 and Fig. 7), leeward end face 214 can also be configured to plane surface (as shown in Figure 6 and Figure 8).By
This, the structure of rotor balance 2 is simpler, convenient processing, low production cost, and subject range is wider.
In some preferred embodiments of the present utility model, outer surface 212, windward end face 213 and leeward end face 214
It is configured to be directed away from the smooth surface of rotor balance 2 center position protrusion, and be configured to the outer surface 212 of smooth surface
It is smoothly connected with the end face windward 213 being configured to smooth surface, and be configured to the outer surface 212 of smooth surface and be configured to smooth
The leeward end face 214 of curved surface is smoothly connected.Thus, a side surface of the non-adjacent rotor 1 of rotor balance 2 is whole smooth
Surface, such that it is able to further reduce the resistance of rotor balance 2, improves the overall performance of compressor.
In some embodiments of the present utility model, reference picture 4- Fig. 7, rotor balance 2 can also include base portion 22,
Base portion 22 be connected on the inner surface 211 of body 21 and with rotor 1 directly contact.That is, body 21 passes through base
Portions 22 are connected with rotor 1.Thus, it is possible to base portion 22 is processed into shape (the such as arc flat board being easy to assemble with rotor 1
Shape), so in Design and Machining body 21, it is no need for considering the assembly problem of body 21 and rotor 1, thus reducing
The design of body 21 and difficulty of processing are it is ensured that body 21 can reduce the frontal resistance of rotor balance 2 entirety.In addition,
Whole height in rotor 1 axial direction for the rotor balance 2 can also be adjusted by designing base portion 22, to guarantee rotor balance
2 rational height meets actual design demand.Preferably, base portion 22 and body 21 are integrated machine-shaping part.
In some embodiments of the present utility model, reference picture 5- Fig. 7, rotor balance 2 has securing member connection and wears
Hole 215, for example, when rotor balance 2 is fixed on rotor 1 by rivet, perforation 215 can be riveted holes, thus convenient
Rotor balance 2 and the riveting of rotor 1.Thus, perforation 215 is connected by setting, can simply and effectively realize rotor balancing
Block 2 and the assembly connection of rotor 1.
Middle position in some embodiments of the present utility model, on the width of outer surface 212 of body 21
Place is formed with the mounting plane 216 of the length direction extension along outer surface 212.Thus, convenient be arranged on rotor balance 2 turns
On son 1, and when using securing member fixed rotor balance weight 2 with rotor 1, if securing member (such as rivet) is at least part of
End face is pressed on the connection reliability that can effectively improve securing member on mounting plane 216, improves rotor balance 2 and turns
The connection fixing of son 1.Here, it should be noted that the length direction phase of the length direction of body 21 and rotor balance 2
With, the width of body 21 is identical with the width of rotor balance 2, the short transverse of body 21 and rotor balancing
The short transverse of block 2 is identical.
Below, with reference to Fig. 3-8, the rotor balance 2 according to the multiple specific embodiment of this utility model is described.
Embodiment one
With reference to Fig. 3, rotor balance 2 only includes body 21, and body 21 is by inner surface 211, outer surface 212, meets
The closed body that wind end face 213, leeward end face 214 surround, wherein inner surface 211 are arc-plane, inner surface 211 and outer surface
Limit between 212 and portion is scanned along what camber line scanned by semi-circular cross-section 210, end face 213 and leeward end face 214 are equal windward
Be connected to the two ends bearing of trend in scan portion on for 1/4 sphere and glossily.
Embodiment two
As shown in figure 4, the present embodiment is roughly the same with the structure of embodiment one, wherein identical part adopts identical attached
Icon is remembered, the difference is that only:Rotor balance 2 in the present embodiment two also includes base portion 22, and base portion 22 is located at this
The bottom of body 21 and be arc flat board, and the surface configuration of base portion 22 is identical with inner surface 211 shape of body 21, and
The side wall of base portion 22 is smooth with the side wall of body 21 to be connected.
Embodiment three
As shown in figure 5, the present embodiment is roughly the same with the structure of embodiment two, wherein identical part adopts identical attached
Icon is remembered, the difference is that only:Two rivet holes 215 are had on the rotor balance 2 in the present embodiment three, to facilitate and to turn
Riveting between son 1.
Example IV
As shown in fig. 6, the present embodiment is roughly the same with the structure of embodiment three, wherein identical part adopts identical attached
Icon is remembered, the difference is that only:The tail end of rotor balance 2 is removed, leeward end face 214 is processed as plane.
Embodiment five
As shown in fig. 7, the present embodiment is roughly the same with the structure of embodiment three, wherein identical part adopts identical attached
Icon is remembered, the difference is that only:The head end of rotor balance 2 is removed, plane will be processed as by end face 213 windward.
Embodiment six
As shown in figure 8, the present embodiment is roughly the same with the structure of embodiment one, wherein identical part adopts identical attached
Icon is remembered, the difference is that only:The head end of rotor balance 2 and tail end are all removed, will end face 213 and leeward end windward
Face 214 is all processed as plane.
In sum, the rotor balance 2 according to the above-mentioned multiple embodiments of this utility model can be dome shape, specifically
For, can be smoothly connected and be formed by end to end two 1/4 spherical portion and the semi-annular shape portion of scanning, this utility model embodiment turn
Quantum balancing block 2 and surface for the conventional balanced block of planar structure compared with, windage windward can be effectively reduced, reduce to compressor
The disturbance of flow field, reduces the oil cut rate of telling of compressor, improves the overall efficiency of compressor, extend the life-span of compressor.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation of instruction such as " clockwise ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship are based on shown in the drawings
Orientation or position relationship, are for only for ease of description this utility model and simplify description, rather than the dress of instruction or hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be
It is joined directly together it is also possible to be indirectly connected to by intermediary, can be the mutual of the connection of two element internals or two elements
Interactively.For the ordinary skill in the art, can understand that above-mentioned term is new in this practicality as the case may be
Concrete meaning in type.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combines.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
Multiple changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (10)
1. a kind of rotor balance is it is characterised in that described rotor balance is located on an axially side end face of rotor and includes:
Body, described body has the inner surface of described axial direction one side end face of neighbouring described rotor, away from described rotor
The outer surface of described axial direction one side end face and be connected between described inner surface and described outer surface and be located at described rotor
The end face windward at the two ends on balance weight length direction and leeward end face, wherein, described outer surface, described end face windward and
At least one of described leeward end face is configured to be directed away from the smooth surface that described rotor balance center position protrudes.
2. rotor balance according to claim 1 is it is characterised in that limit between described outer surface and described inner surface
Go out and portion is scanned along what camber line scanned by predetermined section.
3. rotor balance according to claim 2, it is characterised in that described predetermined section is semicircle, described is scanned
The curved surface in portion is configured to described outer surface, and the described plane surface scanning portion is configured to described inner surface.
4. rotor balance according to claim 1 is it is characterised in that described end face windward and/or described leeward end face
Be formed as 1/4 spherical surface or plane surface.
5. rotor balance according to claim 1 is it is characterised in that described outer surface, described end face windward, Yi Jisuo
State leeward end face to be configured to be directed away from the smooth surface of described rotor balance center position protrusion and smoothly transit connected.
6. the rotor balance according to any one of claim 1-5 is it is characterised in that described rotor balance is also wrapped
Include:Base portion, described base portion be connected on the described inner surface of described body and with described rotor directly contact.
7. rotor balance according to claim 1 connects it is characterised in that having securing member in described rotor balance
Perforation.
8. rotor balance according to claim 1 is it is characterised in that central position on the width of described outer surface
The place of putting is formed with the mounting plane of the length direction extension along described outer surface.
9. a kind of motor is it is characterised in that include:Stator, rotor and the rotor according to any one of claim 1-8 are put down
Weighing apparatus block.
10. a kind of compressor is it is characterised in that include motor according to claim 9.
Priority Applications (1)
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CN201620909919.7U CN205986467U (en) | 2016-08-19 | 2016-08-19 | Rotor balancing piece and motor, compressor that have it |
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CN201620909919.7U CN205986467U (en) | 2016-08-19 | 2016-08-19 | Rotor balancing piece and motor, compressor that have it |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546910A (en) * | 2017-09-08 | 2018-01-05 | 宁波拓普智能刹车系统有限公司 | A kind of balance block structure of automotive electronics cooling water pump motor |
CN113037004A (en) * | 2021-04-30 | 2021-06-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Balance block structure, motor and compressor |
CN114301224A (en) * | 2021-12-28 | 2022-04-08 | 湖南汤普悦斯压缩机科技有限公司 | Water drop-shaped balance block, rotor and compressor |
-
2016
- 2016-08-19 CN CN201620909919.7U patent/CN205986467U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107546910A (en) * | 2017-09-08 | 2018-01-05 | 宁波拓普智能刹车系统有限公司 | A kind of balance block structure of automotive electronics cooling water pump motor |
CN113037004A (en) * | 2021-04-30 | 2021-06-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Balance block structure, motor and compressor |
CN113037004B (en) * | 2021-04-30 | 2022-05-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Balance block structure, motor and compressor |
CN114301224A (en) * | 2021-12-28 | 2022-04-08 | 湖南汤普悦斯压缩机科技有限公司 | Water drop-shaped balance block, rotor and compressor |
CN114301224B (en) * | 2021-12-28 | 2024-02-27 | 湖南汤普悦斯压缩机科技有限公司 | Drop-shaped balance block, rotor and compressor |
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