CN204992860U - Novel motor end cover - Google Patents
Novel motor end cover Download PDFInfo
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- CN204992860U CN204992860U CN201520574682.7U CN201520574682U CN204992860U CN 204992860 U CN204992860 U CN 204992860U CN 201520574682 U CN201520574682 U CN 201520574682U CN 204992860 U CN204992860 U CN 204992860U
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- layer body
- circular cylinder
- hollow circular
- annular
- motor end
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Abstract
The utility model provides a novel motor end cover, including main part, bearing frame and support frame, the main part includes cavity columniform lateral wall and annular top cap, the support frame includes first subassembly and second subassembly, a plurality of through -holes have been seted up on the top cap, first subassembly and second subassembly pass through a plurality of through -holes castings or mould plastics integrated into one piece and respectively with the upper surface of top cap is connected with fixed surface down, and this kind of novel motor end cover separates to become the outer body and the inlayer body with the bearing frame, and the bearing frame of disconnect -type improves the axiality of bearing room and main part through the finish turning to the inlayer body, more is favorable to guaranteeing the realization of high axiality for past integrated into one piece's after drawing finishing many times bearing frame, the support frame is the casting or the integrated into one piece that moulds plastics in addition, has reduced this kind of novel motor end cover's manufacturing process, has not only improved production efficiency, has further compressed manufacturing cost moreover, improves market competition.
Description
Technical field
The utility model relates to technical field of motors, particularly relates to a kind of Novel motor end cap.
Background technology
Be applied in the micro-machine of the housed devices such as air-conditioner outdoor unit, indoor set, air purifier, high-power ventilating fan, air curtain, very important performance index are the axialities between the stator of motor and rotor, because be generally stator is fixed on the inner ring of electric motor end cap main body, rotor is fixed on motor shaft, the two ends of motor shaft are connected with electric motor end cap by the bearing being fixed on bearing pedestal, so this index depends primarily on the axiality between the bearing chamber inner ring of electric motor end cap center and main body inner ring, in the prior art, electric motor end cap utilizes diel to produce through ten multiple working procedures such as blanking punching, stretching, pressing, shapings sheet material, main body and the bearing pedestal of electric motor end cap are one-body molded, be subject to the restriction of mask error and mismachining tolerance, the main body inner ring of electric motor end cap out and the axiality of bearing chamber inner ring are at about 0.1mm, and, mould finishing is utilized to form in order to the precision improving bearing chamber needs to rely on after multi-drawing, owing to being subject to each to abnormity of sheet material, the impact of flow harden and stress, the thickness of local sheet material can be inconsistent, cause the circularity level of the main body inner ring of electric motor end cap at about 0.15mm, the poor motor Oscillation Amplitude in running that makes of axiality is large, frequency is high, produce larger noise, the main body inner ring circularity level of electric motor end cap is lower, and the air gap between stators and rotators can be made larger, therefore electric efficiency is affected, these two kinds of defects that existing electric motor end cap exists, have a strong impact on the Performance and quality level of motor, also counteracts that its utilization in the industries such as air-conditioning.
Utility model content
The technical problems to be solved in the utility model is: for electric motor end cap of the prior art due to through multi-drawing, cause for the main body inner ring of electric motor end cap and the axiality of bearing chamber inner ring is not high and the circularity of main body inner ring is not high problem, the utility model provides a kind of Novel motor end cap and solves the problems referred to above.
It is a kind of Novel motor end cap that the utility model solves the technical scheme that its technical problem adopts, comprise main body, bearing pedestal and bracing frame, described main body comprises the sidewall of hollow cylindrical and the top cover of annular, support frame as described above comprises the first assembly and the second assembly, described top cover offers multiple through hole, described first assembly and the second assembly are by described multiple through hole casting or injection moulding integrated molding and be fixedly connected with lower surface with the upper surface of described top cover respectively, described bearing pedestal comprises the outer layer body of hollow cylindrical and the internal layer body of hollow cylindrical, described sidewall, top cover and outer layer body one drawing and forming, the lower end of described sidewall is uncovered, upper end annulus is connected with the outer ring of described top cover, the upper end annulus of described outer layer body is connected with the inner ring of described top cover, described outer layer body is coaxial with described sidewall, the outer wall of described internal layer body is fixedly connected with the inwall of described outer layer body.
As preferably, described first assembly comprises the first hollow circular cylinder, the second hollow circular cylinder and the first connecting portion, the upper surface that described first connecting portion is fixed on described top cover is connected as a single entity with described first hollow circular cylinder, described first hollow circular cylinder is positioned at the top of described bearing pedestal and its outer wall and described internal layer body are coaxially arranged, and the outer wall of described second hollow circular cylinder and the inwall of described first hollow circular cylinder are connected as a single entity and its inwall forms the axis hole coaxial with described internal layer body.
As preferably, described second assembly comprises the second connecting portion, the 3rd hollow circular cylinder and annular edge sealing, described second connecting portion is fixedly connected with the lower surface of described top cover and is connected as a single entity by described multiple through hole and described first connecting portion, described 3rd hollow circular cylinder to be set on described outer layer body and the outer wall close-fitting of its inwall and described outer layer body, and described annular edge sealing is fixedly connected with the described lower surface of internal layer body and the lower surface of outer layer body.
As preferably, the outer wall of described first hollow circular cylinder is provided with at least one positioning convex.
As preferably, described positioning convex is the raised line that length direction is parallel to the axis of described first hollow circular cylinder, and the quantity of described raised line is several and is circumferentially evenly arranged on the outer wall of described first hollow circular cylinder.
As preferably, the inwall of described first hollow circular cylinder is circumferentially provided with many first reinforcements.
As preferably, be also provided with three the second reinforcements between the inwall of described first hollow circular cylinder and the outer wall of described second hollow circular cylinder, described three the second reinforcements are uniformly distributed around the axis of described second hollow circular cylinder.
As preferably, described top cover comprises the Part I of annular and the Part II of annular, the Part I of described annular and the Part II of annular are all perpendicular to the axis of described sidewall, the outer ring of the Part I of described annular and the upper end annulus of described sidewall are connected as a single entity, the inner ring of the outer ring of the Part II of described annular and the Part I of described annular be connected as a single entity and the height of the Part II of annular a little less than the height of described Part I, the inner ring of the Part II of described annular and the upper end annulus of described outer layer body are connected as a single entity, described main body is also provided with the flange that axial cross section is L shape, described flange comprises circular bottom part and hollow cylindrical sidepiece, the outer ring of described circular bottom part and the lower end annulus of described hollow cylindrical sidepiece are connected as a single entity, the inner ring of described circular bottom part and the lower end annulus of described sidewall are connected as a single entity, described hollow cylindrical sidepiece is coaxial with described sidewall.
As preferably, the material of described internal layer body is aluminium, engineering plastics or BMC, and the material of support frame as described above is high-temperature resistance plastice, BMC or aluminium, and the radial thickness of described internal layer body is 0.5 ~ 10mm.
The beneficial effects of the utility model are, bearing pedestal is separated into outer layer body and internal layer body by this Novel motor end cap, the bearing pedestal of separate type, by improving the axiality of bearing chamber and main body to the finish turning of internal layer body, is more conducive to relative to past integrated bearing pedestal after multi-drawing finishing the realization ensureing high-axiality, in addition, the each to abnormity of sheet material is reduced due to the minimizing of drawing numbers, the impact of flow harden and stress, the circularity of the main body inner ring of Novel motor end cap is improved, axiality and circularity two indexs all on lifting basis to a certain extent, make motor Oscillation Amplitude in running, frequency and noise all receive suppression, and the air gap between stators and rotators reduces, improve electric efficiency, for the application of motor in every profession and trade with this end cap, there is positive effect, bracing frame is also had to be casting or injection moulding integrated molding, reduce the manufacturing process of this Novel motor end cap, not only increase production efficiency, and have compressed production cost further, improve the market competitiveness.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the optimum embodiment of Novel motor end cap of the present utility model.
Fig. 2 be Fig. 1 A ?A cutaway view.
In figure 1, main body, 2, bracing frame, 3, outer layer body, 4, internal layer body, 5, flange, 101, sidewall, 102, through hole, 103, annular Part I, 104, annular Part II, 201, the first hollow circular cylinder, the 202, second hollow circular cylinder, the 203, first connecting portion, 204, the second connecting portion, the 205, the 3rd hollow circular cylinder, 206, annular edge sealing, 207, the first reinforcement, the 208, second reinforcement, 209, positioning convex.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.On the contrary, embodiment of the present utility model comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
As shown in Fig. 1 ~ 2, the utility model provides a kind of Novel motor end cap, comprise main body 1, bearing pedestal and bracing frame 2, main body 1 comprises the sidewall 101 of hollow cylindrical and the top cover of annular, bracing frame 2 comprises the first assembly and the second assembly, top cover offers multiple through hole 102, first assembly and the second assembly are fixed with the upper surface of top cover and lower surface and shaping by multiple through hole 102 integrally casting respectively, the material of bracing frame 2 is high-temperature resistance plastice, BMC or aluminium, bearing pedestal comprises the outer layer body 3 of hollow cylindrical and the internal layer body 4 of hollow cylindrical, sidewall 101, top cover and outer layer body 3 one drawing and forming, then internal layer body 4 is compressed in described outer layer body 3, the outer wall of internal layer body 4 is fixedly connected with the inwall of outer layer body 3, the lower end of sidewall 101 is uncovered, upper end annulus is connected with the outer ring of top cover, the upper end annulus of outer layer body 3 is connected with the inner ring of top cover, the height of the upper end of outer layer body 3 is slightly less than the upper end level of sidewall 101 and outer layer body 3 is coaxial with sidewall 101, owing to bearing pedestal to be separated into internal layer body 4 and outer layer body 3 two parts, therefore without the need to being adjusted the axiality between bearing chamber and sidewall 101 by stretching finishing repeatedly, decontrol this restriction, by further increasing the axiality between it and sidewall 101 to the finish turning of internal layer body 4, and sheet material is each to abnormity, the influence degree of flow harden and stress reduces greatly, the uniformity coefficient of the local thickness of sidewall 101 improves, therefore the circularity of sidewall 101 inner ring can more be ensured, the raising of circularity can improve the intensity of sidewall 101 accordingly, when turning, the clamping of fixture oppose side wall 101 not easily causes it to be out of shape, more be conducive to the axiality guaranteeing sidewall 101 and internal layer body 4, in addition on the intensity basis not affecting Novel motor end cap, the thickness of sheet material can be reduced, save materials.
First assembly comprises the first hollow circular cylinder 201, second hollow circular cylinder 202 and the first connecting portion 203, the upper surface that first connecting portion 203 is fixed on top cover is connected as a single entity with the first hollow circular cylinder 201, first hollow circular cylinder 201 is positioned at the top of bearing pedestal and its outer wall and internal layer body 4 are coaxially arranged, the outer wall of the second hollow circular cylinder 202 and inwall of the first hollow circular cylinder 201 is connected as a single entity and its inwall forms the axis hole coaxial with internal layer body 4, when installation has the motor of this Novel motor end cap, first hollow circular cylinder 201 is sat and is held on support, first hollow circular cylinder 201 provides the strong point of mounted motor, and be trapped in sidewall 101 in bearing pedestal, distance between the bearings at both ends structure that bearing pedestal protruded outside is more in the past shortened to some extent, thus reduce further motor noise and vibration, improve the rigidity of motor shaft, the outer wall of the first hollow circular cylinder 201 is provided with several positioning convex 209, positioning convex 209 is parallel to the raised line of the axis of the first hollow circular cylinder 201 for length direction, several raised lines are uniformly distributed circumferentially on the outer wall of the first hollow circular cylinder 201, raised line plays the effect of anti-skidding location, thus can increase the stability between the first hollow circular cylinder 201 and support, second assembly comprises the second connecting portion 204, 3rd hollow circular cylinder 205 and annular edge sealing 206, second connecting portion 204 is fixedly connected with the lower surface of top cover and is connected as a single entity by multiple through hole 102 and the first connecting portion 203, 3rd hollow circular cylinder 205 to be set on outer layer body 3 and the outer wall close-fitting of its inwall and outer layer body 3, annular edge sealing 206 is fixedly connected with the lower surface of internal layer body 4 and the lower surface of outer layer body 3, because internal layer body 4 and outer layer body 3 suppress to fix, therefore still there is very trickle space between internal layer body 4 and outer layer body 3, motor is when running up, this trickle space can make motor produce vibration, and annular edge sealing 206 can infiltrate in above-mentioned trickle space when casting, thus stopped the vibration that therefore produces, reduce noise, stabilize the performance of motor.
In order to improve the structural strength of bracing frame 2, the inwall of the first hollow circular cylinder 201 is circumferentially provided with many first reinforcements 207, also be provided with three the second reinforcements, 208, three the second reinforcements 208 between the inwall of the first hollow circular cylinder 201 and the outer wall of the second hollow circular cylinder 202 to be uniformly distributed around the axis of the second hollow circular cylinder 202.
Top cover comprises the Part I 103 of annular and the Part II 104 of annular, the Part I 103 of annular and the Part II 104 of annular are all perpendicular to the axis of sidewall 101, the outer ring of Part I 103 and the upper end annulus of sidewall 101 of annular are connected as a single entity, outer ring and the inner ring of Part I 103 of annular of the Part II 104 of annular be connected as a single entity and the height of the Part II 104 of annular a little less than the height 103 of Part I, the height of Part II 104 also can a little more than the height of Part I 103, object improves the structural strength of top cover, the inner ring of Part II 104 and the upper end annulus of outer layer body 3 of annular are connected as a single entity, sidewall 101 lower end also has the flange 5 that axial cross section is L shape, flange 5 comprises circular bottom part and hollow cylindrical sidepiece, the outer ring of circular bottom part and the lower end annulus of hollow cylindrical sidepiece are connected as a single entity, the inner ring of circular bottom part and the lower end annulus of sidewall 101 are connected as a single entity, hollow cylindrical sidepiece is coaxial with sidewall 101, and flange 5 is integrated with sidewall 101 in stretching, complete motor should comprise two electric motor end caps be connected, and according to different mounting means, the flange 5 of two electric motor end caps can be dug in the opposite direction, also can dig in the same direction, the existence of flange 5 greatly enhances the intensity of sidewall 101, and further ensuring the electric motor end cap when turning internal layer body 4 can not be out of shape, the material of internal layer body 4 is aluminium, engineering plastics or BMC, aluminium, engineering plastics and BMC have some strength can ensure the material that motor runs well, and be easy to cut, convenient processing, can also adopt in addition and have some strength and other metal or the nonmetallic materials that can be used for turning, if adopt the nonmetallic materials of such as engineering plastics or BMC, effectively shaft voltage can be reduced for motor, improve the useful life of bearing, and effectively can reduce the impact of supply harmonic on motor, reduce the noise of motor, can because of resonance that bad coupling produces between isolation coupling motor and miscellaneous equipment, the radial thickness of internal layer body 4 is different according to the size of different motor and model, is 0.5 ~ 10mm for thickness the micro-machine being generally applied in the housed devices such as air-conditioner outdoor unit, indoor set, air purifier, high-power ventilating fan, air curtain.
This Novel motor end cap proves through overtesting, compare with electric motor end cap of the prior art, within the axiality of sidewall 101 inner ring and bearing chamber inner ring can be reduced to 0.03mm from 0.1mm, within the circularity of sidewall 101 inner ring can be reduced to 0.05mm from 0.15mm, within air gap between stator and rotor is reduced to 0.2mm from 0.25mm, electric efficiency improves about 3 ~ 5%, other side, sheet metal thickness for processing reduces by more than 20%, and material cost reduces greatly.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of described term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (9)
1. a Novel motor end cap, comprise main body, bearing pedestal and bracing frame, it is characterized in that: described main body comprises the sidewall of hollow cylindrical and the top cover of annular, support frame as described above comprises the first assembly and the second assembly, described top cover offers multiple through hole, described first assembly and the second assembly are by described multiple through hole casting or injection moulding integrated molding and be fixedly connected with lower surface with the upper surface of described top cover respectively, described bearing pedestal comprises the outer layer body of hollow cylindrical and the internal layer body of hollow cylindrical, described sidewall, top cover and outer layer body one drawing and forming, the lower end of described sidewall is uncovered, upper end annulus is connected with the outer ring of described top cover, the upper end annulus of described outer layer body is connected with the inner ring of described top cover, described outer layer body is coaxial with described sidewall, the outer wall of described internal layer body is fixedly connected with the inwall of described outer layer body.
2. Novel motor end cap as claimed in claim 1, it is characterized in that: described first assembly comprises the first hollow circular cylinder, the second hollow circular cylinder and the first connecting portion, the upper surface that described first connecting portion is fixed on described top cover is connected as a single entity with described first hollow circular cylinder, described first hollow circular cylinder is positioned at the top of described bearing pedestal and its outer wall and described internal layer body are coaxially arranged, and the outer wall of described second hollow circular cylinder and the inwall of described first hollow circular cylinder are connected as a single entity and its inwall forms the axis hole coaxial with described internal layer body.
3. Novel motor end cap as claimed in claim 2, it is characterized in that: described second assembly comprises the second connecting portion, the 3rd hollow circular cylinder and annular edge sealing, described second connecting portion is fixedly connected with the lower surface of described top cover and is connected as a single entity by described multiple through hole and described first connecting portion, described 3rd hollow circular cylinder to be set on described outer layer body and the outer wall close-fitting of its inwall and described outer layer body, and described annular edge sealing is fixedly connected with the described lower surface of internal layer body and the lower surface of outer layer body.
4. Novel motor end cap as claimed in claim 3, is characterized in that: the outer wall of described first hollow circular cylinder is provided with at least one positioning convex.
5. Novel motor end cap as claimed in claim 4, it is characterized in that: described positioning convex is the raised line that length direction is parallel to the axis of described first hollow circular cylinder, the quantity of described raised line is several and is circumferentially evenly arranged on the outer wall of described first hollow circular cylinder.
6. Novel motor end cap as claimed in claim 5, is characterized in that: the inwall of described first hollow circular cylinder is circumferentially provided with many first reinforcements.
7. Novel motor end cap as claimed in claim 6, it is characterized in that: be also provided with three the second reinforcements between the inwall of described first hollow circular cylinder and the outer wall of described second hollow circular cylinder, described three the second reinforcements are uniformly distributed around the axis of described second hollow circular cylinder.
8. Novel motor end cap as claimed in claim 7, it is characterized in that: described top cover comprises the Part I of annular and the Part II of annular, the Part I of described annular and the Part II of annular are all perpendicular to the axis of described sidewall, the outer ring of the Part I of described annular and the upper end annulus of described sidewall are connected as a single entity, the inner ring of the outer ring of the Part II of described annular and the Part I of described annular be connected as a single entity and the height of the Part II of annular a little less than the height of described Part I, the inner ring of the Part II of described annular and the upper end annulus of described outer layer body are connected as a single entity, described main body is also provided with the flange that axial cross section is L shape, described flange comprises circular bottom part and hollow cylindrical sidepiece, the outer ring of described circular bottom part and the lower end annulus of described hollow cylindrical sidepiece are connected as a single entity, the inner ring of described circular bottom part and the lower end annulus of described sidewall are connected as a single entity, described hollow cylindrical sidepiece is coaxial with described sidewall.
9. the Novel motor end cap as described in any one of claim 1 ~ 8, it is characterized in that: the material of described internal layer body is aluminium, engineering plastics or BMC, the material of support frame as described above is high-temperature resistance plastice, BMC or aluminium, and the radial thickness of described internal layer body is 0.5 ~ 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574682.7U CN204992860U (en) | 2015-08-03 | 2015-08-03 | Novel motor end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574682.7U CN204992860U (en) | 2015-08-03 | 2015-08-03 | Novel motor end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992860U true CN204992860U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574682.7U Expired - Fee Related CN204992860U (en) | 2015-08-03 | 2015-08-03 | Novel motor end cover |
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| CN (1) | CN204992860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765271A (en) * | 2021-08-24 | 2021-12-07 | 深圳拓邦股份有限公司 | Stator seat, stator assembly, motor and processing method of stator seat |
-
2015
- 2015-08-03 CN CN201520574682.7U patent/CN204992860U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113765271A (en) * | 2021-08-24 | 2021-12-07 | 深圳拓邦股份有限公司 | Stator seat, stator assembly, motor and processing method of stator seat |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160812 Address after: 213162 standard workshop A1, industrial square, science and Technology Industrial Park, Hutang Town, Wujin District, Jiangsu, Changzhou Patentee after: CHANGZHOU LEKVA ELECTRONICS CO., LTD. Address before: 213161 industrial square workshop, Hutang science and Technology Industrial Park, Hutang Town, Wujin District, Changzhou, Jiangsu Patentee before: Changzhou power speed electrically Science and Technology Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180622 Address after: 213161 the standard workshop of Hutang science and Technology Industrial Park Industrial Park, Hutang Town, Wujin District, Changzhou, Jiangsu Patentee after: Changzhou power speed electrically Science and Technology Ltd. Address before: 213162 Jiangsu Hutang city Changzhou Wujin science and Technology Industrial Park industrial workshop standard workshop A1 Patentee before: CHANGZHOU LEKVA ELECTRONICS CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190803 |