CN109301953B - Double-stator disc type motor end cover connecting structure and double-stator disc type motor - Google Patents
Double-stator disc type motor end cover connecting structure and double-stator disc type motor Download PDFInfo
- Publication number
- CN109301953B CN109301953B CN201811335556.0A CN201811335556A CN109301953B CN 109301953 B CN109301953 B CN 109301953B CN 201811335556 A CN201811335556 A CN 201811335556A CN 109301953 B CN109301953 B CN 109301953B
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- plate
- bottom plate
- end cover
- cooling channel
- cover
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Links
- 238000001816 cooling Methods 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a double-stator disc type motor end cover connecting structure and a double-stator disc type motor. According to the technical scheme provided by the invention, the connecting piece is arranged on the stator core, and the connecting piece is connected with the stator core, the end cover and the cover plate by penetrating the end cover and the cover plate through the fastening piece, so that the stator core, the end cover and the cover plate are connected, and compared with the existing installation mode, the structure is simpler, and the assembly is also more convenient.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a double-stator disc type motor end cover connecting structure and a double-stator disc type motor.
Background
The double-stator disc motor comprises an end cover, wherein a stator assembly is arranged on the inner side of the end cover, a cover plate is arranged on the outer side of the end cover, the existing end cover is usually fixed with a stator core of the stator assembly through a set key and a bolt, the end cover and the cover plate are fixed through the bolt independently, and the installation mode among the end cover, the stator assembly and the cover plate is complex in structure and inconvenient to assemble.
Disclosure of Invention
The invention mainly aims to provide a double-stator disc type motor end cover connecting structure and a double-stator disc type motor, and aims to solve the problems that the existing installation mode among an end cover, a stator assembly and a cover plate of the double-stator disc type motor is complex in structure and inconvenient to assemble.
In order to achieve the above object, the present invention provides a connection structure of end covers of a double-stator disc type motor, comprising:
the end cover comprises a bottom plate and an annular side plate which extends outwards from the periphery of the bottom plate;
the stator iron core is arranged in the annular side plate, and one end of the stator iron core, which faces the bottom plate, is provided with a connecting piece;
the cover plate is provided with one end of the bottom plate far away from the stator core; the method comprises the steps of,
the fastener penetrates through the end cover and the cover plate to be connected with the connecting piece so as to connect the stator core, the end cover and the cover plate.
Preferably, the connecting piece is a threaded sleeve, and the fastening piece is a bolt.
Preferably, the connecting piece and the fastening piece are correspondingly provided with a plurality of connecting pieces and fastening pieces along the circumferential direction of the bottom plate.
Preferably, the cooling device further comprises a cooling channel system, wherein the cooling channel system comprises a cooling channel arranged on the bottom plate, a circulation groove is formed in one end of the bottom plate, which faces the cover plate, and the cover plate covers the notch of the circulation groove to form the cooling channel.
Preferably, the cooling channel system further comprises an axial connecting channel provided on the annular side plate.
Preferably, the bottom plate and the cover plate are correspondingly provided with a rotating shaft hole for a rotating shaft of the motor to pass through, an inner ring sealing ring is arranged between the bottom plate and the cover plate and close to the rotating shaft hole, and an outer ring sealing ring is arranged between the bottom plate and the cover plate and close to the periphery of the bottom plate and the cover plate; and/or
An axial sealing ring is sleeved between the bottom plate and the cover plate and outside the fastening piece.
Preferably, the bottom plate is divided into two semicircular plate areas, the cooling channels comprise two cooling channel sections respectively distributed in the two semicircular plate areas, each cooling channel section is bent back and forth along the circumferential direction of the corresponding semicircular plate area, one ends, close to the center of the bottom plate, of the two cooling channel sections are communicated, and the other ends of the two cooling channel sections are adjacently arranged.
Preferably, the bottom plate is provided with a mounting column corresponding to the fastener, the mounting column is provided with a through hole for the fastener to pass through, the circulation groove is provided with a separation wall positioned between two groove sections which are adjacently arranged in the circulation groove, and the separation wall extends towards the interiors of the two groove sections which are adjacently arranged respectively so as to form the mounting column.
The invention also provides a double-stator disc type motor, which comprises a double-stator disc type motor end cover connecting structure, wherein the double-stator disc type motor end cover connecting structure comprises:
the end cover comprises a bottom plate and an annular side plate which extends outwards from the periphery of the bottom plate;
the stator iron core is arranged in the annular side plate, and one end of the stator iron core, which faces the bottom plate, is provided with a connecting piece;
the cover plate is provided with one end of the bottom plate far away from the stator core; the method comprises the steps of,
the fastener penetrates through the end cover and the cover plate to be connected with the connecting piece so as to connect the stator core, the end cover and the cover plate.
According to the technical scheme provided by the invention, the connecting piece is arranged on the stator core, and the fastening piece penetrates through the end cover and the cover plate to be connected with the connecting piece so as to connect the stator core, the end cover and the cover plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an embodiment of an end cover connection structure of a dual stator disc motor according to the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Double-stator disc type motor end cover connection structure | 3 | Cover plate |
| 1 | End cap | 4 | Cooling channel |
| 11 | Bottom plate | 41 | Flow channel |
| 12 | Annular side plate | 42 | Cooling channel section |
| 2 | Stator core | 43 | Mounting column |
| 21 | Connecting piece |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a double-stator disc type motor, which comprises a double-stator disc type motor end cover connecting structure, and fig. 1 is an embodiment of the double-stator disc type motor end cover connecting structure.
Referring to fig. 1, the end cover connection structure 100 of the dual-stator disc motor includes an end cover 1, a stator core 2, a cover plate 3, and a fastener (not shown in the drawings), wherein the end cover 1 includes a bottom plate 11 and an annular side plate 12 extending from the periphery of the bottom plate 11, the stator core 2 is installed in the annular side plate 12, a connecting piece 21 is disposed at one end of the stator core 2 facing the bottom plate 11, the cover plate 3 is disposed at one end of the bottom plate 11 far away from the stator core 2, and the fastener passes through the end cover 1 and the cover plate 3 to connect with the connecting piece 21 so as to connect the stator core 2, the end cover 1, and the cover plate 3.
In the technical scheme provided by the invention, the connecting piece 21 is arranged on the stator core 2, and the fastening piece penetrates through the end cover 1 and the cover plate 3 to be connected with the connecting piece so as to connect the stator core 2, the end cover 1 and the cover plate 3 (one or more groups of the connecting piece 21 and the fastening piece can be arranged in a one-to-one correspondence manner, specifically, referring to fig. 1, in the embodiment, a plurality of the connecting piece 21 and the fastening piece are correspondingly arranged along the circumferential direction of the bottom plate 11, so that the connection among the stator core 2, the end cover 1 and the cover plate 3 is firm), and compared with the existing installation mode, the structure is simpler, and the assembly is also convenient.
The stator core 2, the end cover 1 and the cover plate 3 are connected through the fastener and the connecting piece 21, specifically, in the embodiment, the connecting piece 21 is a threaded sleeve, the fastener is a bolt, the threaded sleeve is pre-buried through the stator core 2, and because the key between the existing stator core and the end cover is omitted, a key groove is not required to be arranged on the stator core, and the axial thickness of the stator core 2 can be fully utilized to pre-buried the nut, so that sufficient thread depth is ensured.
Referring to fig. 1, in this embodiment, the end cover connection structure 100 of the dual-stator disc motor further includes a cooling channel system, the cooling channel system includes a cooling channel 4 disposed on the bottom plate 11, a circulation groove 41 is formed at one end of the bottom plate 11 facing the cover plate 3, the cover plate 3 covers the notch of the circulation groove 41 to form the cooling channel 4, and the cooling channel 4 is disposed on the bottom plate 11, so that heat generated during operation of the dual-stator disc motor is advantageously dissipated from the end cover 1 (of course, the cooling channel system may further include an axial connection channel disposed on the annular side plate 12, and through the arrangement of the axial connection channel, an effect of dissipating heat through the end cover 1 may be improved). Moreover, the fastening piece only passes through the bottom plate 11, and the space occupying the cooling channel 4 is smaller than the head of the fastening piece, so that the problem that the head of the fastening piece occupies a larger space occupying the cooling channel 4, so that the formed water channel is locally reduced, and the pressure loss is caused, thereby the flow resistance of the whole water channel is larger, the external circulating water pump is not easy to select, and the problem of easy blockage is avoided.
Specifically, referring to fig. 1, in this embodiment, the bottom plate 11 is divided into two semicircular plate areas, the cooling channels 4 include two cooling channel sections 42 respectively distributed in the two semicircular plate areas, each cooling channel section 42 is curved back and forth along the circumferential direction of the corresponding semicircular plate area, one ends of the two cooling channel sections 42 near the center of the bottom plate 11 are communicated, and the other ends of the two cooling channel sections 42 are arranged adjacently, so that a special surrounding mode is adopted, branches and intersections do not exist at the inlet and outlet of the cooling channels 4, the flow resistance is low, centralized arrangement of water inlet and outlet is facilitated, and in addition, the surrounding mode enables the cooling channels 4 to occupy a larger area on the bottom plate 11, so that heat exchange is more sufficient.
Further, referring to fig. 1, in the present embodiment, the base plate 11 is provided with a mounting post 43 corresponding to the fastening member, the mounting post 43 is provided with a through hole through which the fastening member passes, the circulation groove 41 has a partition wall located between two groove sections of the circulation groove 41 that are adjacently disposed, the partition wall extends toward the interiors of the two groove sections that are adjacently disposed, respectively, to form the mounting post 43, a sealing structure is advantageously disposed between the fastening member and the base plate 11 by the provision of the mounting post 43, and because the mounting post 43 is formed by the partition wall extending toward the interiors of the two groove sections that are adjacently disposed, respectively, the flow resistance of the mounting post 43 to the groove sections that are on one side is low.
The apron 3 lid closes the bottom plate 11 forms cooling channel 4, in order to guarantee cooling channel 4's leakproofness, in this embodiment, bottom plate 11 with apron 3 corresponds and is equipped with the pivot hole that supplies the motor pivot to pass, bottom plate 11 with the apron 3 between and be close to the position in pivot hole is equipped with the inner ring sealing circle, bottom plate 11 with the apron 3 between and be close to the position of the periphery of both is equipped with the outer ring sealing circle, like this bottom plate 11 with seal effect between the apron 3 is relatively better.
Also, in the present embodiment, an axial seal ring is provided between the base plate 11 and the cover plate 3 and outside the fastener, and by the provision of the axial seal ring, sealing at the fastener can be achieved, and because the fastener only passes through the base plate 11, the sealing space required for the shaft of the fastener is relatively small with respect to the head of the fastener.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. A double stator disc motor end cover connection structure, comprising:
the end cover comprises a bottom plate and an annular side plate which extends outwards from the periphery of the bottom plate;
the stator iron core is arranged in the annular side plate, and one end of the stator iron core, which faces the bottom plate, is provided with a connecting piece;
the cover plate is provided with one end of the bottom plate far away from the stator core; the method comprises the steps of,
the fastening piece penetrates through the end cover and the cover plate to be connected with the connecting piece so as to connect the stator core, the end cover and the cover plate, the connecting piece is a threaded sleeve, and the fastening piece is a bolt;
the double-stator disc type motor end cover connecting structure further comprises a cooling channel system, wherein the cooling channel system comprises a cooling channel arranged on the bottom plate, a circulation groove is formed in one end of the bottom plate, which faces to the cover plate, and the cover plate covers the notch of the circulation groove to form the cooling channel;
the bottom plate is divided into two semicircular plate areas, the cooling channel comprises two cooling channel sections which are respectively distributed in the two semicircular plate areas, each cooling channel section is bent back and forth along the circumferential direction of the corresponding semicircular plate area, one ends of the two cooling channel sections, which are close to the center of the bottom plate, are communicated, and the other ends of the two cooling channel sections are adjacently arranged;
the bottom plate is provided with mounting columns corresponding to the fasteners, the mounting columns are provided with through holes for the fasteners to pass through, the circulation groove is provided with separation walls positioned between two groove sections which are adjacently arranged in the circulation groove, the separation walls respectively extend towards the interiors of the two groove sections which are adjacently arranged to form the mounting columns, and each mounting column is staggered in the circumferential direction of the end cover;
an axial sealing ring is sleeved between the bottom plate and the cover plate and outside the fastening piece.
2. The double stator disc motor end cover connection structure according to claim 1, wherein a plurality of the connection members and the fastening members are provided correspondingly in the circumferential direction of the base plate.
3. The dual stator disc motor end cover connection of claim 1, wherein the cooling channel system further comprises an axial connection channel provided on the annular side plate.
4. The structure according to claim 1, wherein the bottom plate and the cover plate are provided with corresponding shaft holes for the motor shaft to pass through, an inner ring seal ring is provided between the bottom plate and the cover plate and near the shaft holes, and an outer ring seal ring is provided between the bottom plate and the cover plate and near the peripheral edges of the bottom plate and the cover plate.
5. A double-stator disc type motor comprising the double-stator disc type motor end cover connecting structure as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335556.0A CN109301953B (en) | 2018-11-09 | 2018-11-09 | Double-stator disc type motor end cover connecting structure and double-stator disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335556.0A CN109301953B (en) | 2018-11-09 | 2018-11-09 | Double-stator disc type motor end cover connecting structure and double-stator disc type motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109301953A CN109301953A (en) | 2019-02-01 |
| CN109301953B true CN109301953B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811335556.0A Active CN109301953B (en) | 2018-11-09 | 2018-11-09 | Double-stator disc type motor end cover connecting structure and double-stator disc type motor |
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| Country | Link |
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| CN (1) | CN109301953B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001385A (en) * | 2012-11-19 | 2013-03-27 | 腾达电动科技镇江有限公司 | Cooling end cover for disc type motor |
| CN105610269A (en) * | 2016-01-13 | 2016-05-25 | 邹忠月 | Integrated cooling built-in disc motor |
| CN107579620A (en) * | 2017-10-10 | 2018-01-12 | 武汉索特南洋电机有限公司 | Disc type electric machine dual-end cover cooling structure and disc type electric machine |
| CN107591944A (en) * | 2017-10-10 | 2018-01-16 | 武汉索特南洋电机有限公司 | Disc type electric machine radiator structure and disc type electric machine |
| CN207098828U (en) * | 2017-07-13 | 2018-03-13 | 比亚迪股份有限公司 | The cooling water channel and motor of a kind of motor |
| CN207504659U (en) * | 2017-12-11 | 2018-06-15 | 北京金风科创风电设备有限公司 | Ultrahigh speed permanent magnet disc motor |
| CN108448822A (en) * | 2018-05-15 | 2018-08-24 | 华中科技大学 | A kind of disk type electric machine stator water-cooling structure and motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8080909B2 (en) * | 2009-05-19 | 2011-12-20 | Ford Global Technologies, Llc | Cooling system and method for an electric motor |
-
2018
- 2018-11-09 CN CN201811335556.0A patent/CN109301953B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001385A (en) * | 2012-11-19 | 2013-03-27 | 腾达电动科技镇江有限公司 | Cooling end cover for disc type motor |
| CN105610269A (en) * | 2016-01-13 | 2016-05-25 | 邹忠月 | Integrated cooling built-in disc motor |
| CN207098828U (en) * | 2017-07-13 | 2018-03-13 | 比亚迪股份有限公司 | The cooling water channel and motor of a kind of motor |
| CN107579620A (en) * | 2017-10-10 | 2018-01-12 | 武汉索特南洋电机有限公司 | Disc type electric machine dual-end cover cooling structure and disc type electric machine |
| CN107591944A (en) * | 2017-10-10 | 2018-01-16 | 武汉索特南洋电机有限公司 | Disc type electric machine radiator structure and disc type electric machine |
| CN207504659U (en) * | 2017-12-11 | 2018-06-15 | 北京金风科创风电设备有限公司 | Ultrahigh speed permanent magnet disc motor |
| CN108448822A (en) * | 2018-05-15 | 2018-08-24 | 华中科技大学 | A kind of disk type electric machine stator water-cooling structure and motor |
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| Publication number | Publication date |
|---|---|
| CN109301953A (en) | 2019-02-01 |
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Effective date of registration: 20240115 Address after: 214100 Yanxing Road 55-2, Yanqiao Supporting Area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Yikun Power Technology (Wuxi) Co.,Ltd. Address before: 200000 Floor 9, No. 3255, Zhou Jia Zui Road, Yangpu District, Shanghai. Patentee before: YIKUN POWER TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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