CN210041491U - Brushless motor end plate structure - Google Patents
Brushless motor end plate structure Download PDFInfo
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- CN210041491U CN210041491U CN201921350094.XU CN201921350094U CN210041491U CN 210041491 U CN210041491 U CN 210041491U CN 201921350094 U CN201921350094 U CN 201921350094U CN 210041491 U CN210041491 U CN 210041491U
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Abstract
The utility model discloses a brushless motor end plate structure, which comprises a conductive terminal group made of metal materials and an insulator, wherein the conductive terminal group comprises a first terminal connecting sheet and a second terminal connecting sheet, the terminal connecting sheets all comprise a conductive connecting part and a terminal connecting part, the terminal connecting part is in a circular structure, the conductive connecting part is arranged on the terminal connecting part, and the conductive connecting part and the terminal connecting part form a circular structure of an integrated structure; the first terminal connecting pieces and the second terminal connecting pieces are distributed in a stacking and staggered mode in the circumferential direction, the first terminal connecting pieces are arranged at the center of the conductive terminal group, and the second terminal connecting pieces are arranged on the upper side and the lower side of the first terminal connecting pieces. The utility model discloses brushless motor end plate structure is the brushless motor end plate structure in six grooves of quadrupole, can effectively shorten the axial distance of brushless motor end plate, reduces the overall structure thickness of conductive terminal group, reduces the degree of difficulty of assembly and location simultaneously, reaches the convenient, swift effect of equipment.
Description
Technical Field
The utility model relates to a brushless motor technical field, concretely relates to brushless motor end plate structure.
Background
In the prior art, a connection structure and a connection method of a motor stator winding are disclosed, and the patent numbers are as follows: 201710279343. X. The motor stator winding connecting structure comprises a motor stator and a connector; the connector comprises a conductive terminal group and an insulator, the conductive terminal group comprises 3 terminal connecting sheets, the 3 terminal connecting sheets are distributed in a staggered mode in the circumferential direction, the conductive terminal group is fixed through the insulator, different terminal connecting sheets are mutually insulated through the insulator, and a motor rotation mounting hole is formed in the middle of the connector, so that a motor rotor can partially or integrally extend out of the motor rotation mounting hole.
The conductive terminal group structure disclosed by the above is formed by 3 terminal connecting sheets, and the 3 terminal connecting sheets are staggered and overlapped in the circumferential direction. The terminal connecting pieces are combined in a superposition mode, so that the following defects exist: 1. the overall thickness of the conductive terminal group is increased; 2. the motor stator winding connecting structure is increased along with the increase of the integral thickness of the conductive terminal group; 3. because 3 terminal connection pieces are circumferentially staggered and superposed, the difficulty of assembly and positioning is indirectly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brushless motor end plate structure, this kind of brushless motor end plate structure is the brushless motor end plate structure in six grooves of quadrupole, can effectively shorten the axial distance of brushless motor end plate, reduces the overall structure thickness of conductive terminal group, reduces the degree of difficulty of assembly and location simultaneously, reaches equipment convenience, swift effect.
In order to achieve the above object, the utility model adopts the following technical scheme:
a brushless motor end plate structure comprises a conductive terminal group made of metal materials and an insulator arranged on the outer side of the conductive terminal group, wherein the conductive terminal group comprises a first terminal connecting piece and a second terminal connecting piece which are of an integrally formed structure, the terminal connecting pieces respectively comprise a conductive connecting part and a terminal connecting part connected between the conductive connecting part and the conductive connecting part, the terminal connecting part is of a circular structure, the conductive connecting part is arranged on the terminal connecting part, and the conductive connecting part and the terminal connecting part form a circular structure of an integral structure; the first terminal connecting pieces and the second terminal connecting pieces are distributed in a stacking and staggered manner in the circumferential direction, the first terminal connecting pieces are arranged at the center of the conductive terminal group, and the second terminal connecting pieces are arranged on the upper side and the lower side of the first terminal connecting pieces;
the first terminal connecting piece is provided with three conductive connecting parts which are respectively arranged at two ends and the middle part of the terminal connecting part and extend outwards along the length direction of the terminal connecting part;
the second terminal connecting piece is provided with two conductive connecting parts which are respectively arranged at two ends of the terminal connecting part and extend outwards along the length direction of the terminal connecting part; all be provided with electrically conductive connecting hole on the electrically conductive connecting portion, still be provided with on one of them electrically conductive connecting portion and weld the dress hole, it sets up in the inboard of electrically conductive connecting hole to weld the dress hole.
As a further improvement, the conductive terminal group is composed of a first terminal connecting piece and two conductive terminals of the second, the first terminal connecting piece is disposed at the center of the conductive terminal group, and the two conductive terminals of the second are disposed respectively at the upper and lower sides of the first terminal connecting piece.
As a further improvement of the present invention, the conductive connecting portion and the terminal connecting portion on the first terminal connecting piece are disposed on the same horizontal plane.
As a further improvement, the conductive connection portion and the terminal connection portion on the second terminal connection piece are disposed on different horizontal planes, and the conductive connection portion extends outward along the horizontal direction after extending outward along the vertical direction by a certain distance.
As a further improvement of the present invention, the insulator is disposed outside the conductive terminal set and wraps the conductive terminal set into a whole, and a through hole is disposed at the center of the insulator.
The assembling method of the brushless motor end plate structure comprises the following steps:
(1) the method comprises the following steps that a conductive terminal group made of a metal material is arranged, the conductive terminal group comprises a plurality of terminal connecting pieces of an integrally formed structure, each terminal connecting piece comprises a conductive connecting part and a terminal connecting part connected between the conductive connecting part and the corresponding conductive connecting part, each terminal connecting part is of a circular structure, the conductive connecting parts are arranged on the terminal connecting parts, and the conductive connecting parts and the terminal connecting parts form the circular structure of the integrated structure;
(2) arranging a first terminal connecting sheet, wherein three conductive connecting parts are arranged on the first terminal connecting sheet, are respectively arranged at two ends and in the middle of the terminal connecting part and extend outwards along the length direction of the terminal connecting part;
(3) arranging a second terminal connecting sheet, wherein two conductive connecting parts are arranged on the second terminal connecting sheet, and the conductive connecting parts are respectively arranged at two ends of the terminal connecting part and extend outwards along the length direction of the terminal connecting part;
(4) assembling the conductive terminal group, wherein a plurality of terminal connecting sheets are distributed in a staggered manner in the circumferential direction in a stacking manner and comprise a first terminal connecting sheet arranged at the central position and second terminal connecting sheets arranged on the upper side and the lower side of the first terminal connecting sheet;
(5) and integrally injection-molding the assembled conductive terminal group to form an insulator outside the conductive terminal group, and wrapping the assembled conductive terminal group into a whole by the insulator to complete the assembly of the brushless motor end plate structure.
As a further improvement of the present invention, step (2) further comprises the steps of:
(2.1) arranging a first terminal connecting sheet; the conductive connecting parts arranged in the middle of the terminal connecting parts are also provided with welding holes, and the conductive connecting parts arranged at the two ends of the terminal connecting parts are provided with conductive connecting holes.
As a further improvement of the present invention, step (3) further comprises the following steps:
(3.1) arranging a second terminal connecting sheet; all be provided with electrically conductive connecting hole on the electrically conductive connecting portion, still be provided with on one of them electrically conductive connecting portion and weld the dress hole, it sets up in the inboard of electrically conductive connecting hole to weld the dress hole.
The utility model has the advantages that:
the utility model discloses brushless motor end plate structure, brushless motor end plate structure for six grooves of quadrupole, including the conductive terminal group that metal material made and set up the insulator in the conductive terminal group outside, conductive terminal group includes the first terminal connection piece and the second terminal connection piece of integrated into one piece structure, first terminal connection piece sets up in the central point department of conductive terminal group, two second conductive terminal groups set up respectively in the upper and lower both sides of first terminal connection piece, the terminal connection piece all includes conductive connection portion and connects the terminal connecting portion between conductive connection portion and conductive connection portion, terminal connecting portion are the ring structure, conductive connection portion sets up on the terminal connecting portion, conductive connection portion and terminal connecting portion constitute the ring structure of an organic whole structure; the first terminal connecting pieces and the second terminal connecting pieces are distributed in a stacking and staggered mode in the circumferential direction, the first terminal connecting pieces are arranged at the center of the conductive terminal group, and the second terminal connecting pieces are arranged on the upper side and the lower side of the first terminal connecting pieces. The axial distance of the brushless motor end plate can be effectively shortened, the overall structure thickness of the conductive terminal group is reduced, meanwhile, the assembling and positioning difficulty is reduced, and the effect of convenience and quickness in assembling is achieved.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an end plate structure of a brushless motor according to the present invention;
fig. 2 is a perspective view of the end plate structure of the brushless motor of the present invention;
fig. 3 is a schematic structural view of a first terminal connecting sheet in the end plate structure of the brushless motor of the present invention;
fig. 4 is a schematic structural view of a second terminal connecting sheet in the end plate structure of the brushless motor of the present invention;
fig. 5 is a top view of the end plate structure of the brushless motor of the present invention;
fig. 6 is a bottom view of the end plate structure of the brushless motor of the present invention;
FIG. 7 is a wiring diagram of a stator winding of a three-phase motor, which is a triangular winding;
fig. 8 is a schematic diagram of stator winding of the end plate structure of the brushless motor according to the present invention;
in the figure: 1. a first terminal connection pad; 2. a second terminal connecting sheet; 3. an insulator; 4. a conductive connection portion; 41. a conductive connection hole; 42. and welding the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the accompanying drawings, the end plate structure of the brushless motor provided by the embodiment comprises a conductive terminal group made of a metal material and an insulator 3 arranged outside the conductive terminal group, wherein the conductive terminal group comprises a first terminal connecting sheet 1 and a second terminal connecting sheet 2 which are integrally formed, each terminal connecting sheet comprises a conductive connecting portion 4 and a terminal connecting portion connected between the conductive connecting portion 4 and the conductive connecting portion 4, each terminal connecting portion is of a circular structure, the conductive connecting portions 4 are arranged on the terminal connecting portions, and the conductive connecting portions 4 and the terminal connecting portions form a circular structure of an integrated structure; the first terminal connecting piece 1 and the second terminal connecting piece 2 are distributed in a stacking and staggered manner in the circumferential direction, the first terminal connecting piece 1 is arranged at the central position of the conductive terminal group, and the second terminal connecting piece 2 is arranged at the upper side and the lower side of the first terminal connecting piece 1;
the first terminal connecting sheet 1 is provided with three conductive connecting parts 4, the conductive connecting parts 4 are respectively arranged at two ends and the middle part of the terminal connecting part and extend outwards along the length direction of the terminal connecting part, the conductive connecting part 4 arranged at the middle part of the terminal connecting part is also provided with a welding hole 42, and the conductive connecting parts 4 arranged at two ends of the terminal connecting part are both provided with conductive connecting holes 41;
the second terminal connecting sheet 2 is provided with two conductive connecting parts 4, and the conductive connecting parts 4 are respectively arranged at two ends of the terminal connecting parts and extend outwards along the length direction of the terminal connecting parts; the conductive connecting parts 4 are all provided with conductive connecting holes 41, one conductive connecting part 4 is also provided with a welding hole 42, and the welding hole 42 is arranged on the inner side of the conductive connecting hole 41.
In the end plate structure of the brushless motor in this embodiment, the conductive terminal group is composed of a first terminal connecting piece 1 and two second conductive terminals, the first terminal connecting piece 1 is disposed at a central position of the conductive terminal group, and the two second conductive terminal groups are disposed on upper and lower sides of the first terminal connecting piece 1 respectively.
In the end plate structure of the brushless motor in this embodiment, the conductive connection portion 4 on the first terminal connection piece 1 and the terminal connection portion are disposed on the same horizontal plane.
In the end plate structure of the brushless motor in this embodiment, the conductive connection portion 4 and the terminal connection portion on the second terminal connection piece 2 are disposed on different horizontal planes, and the conductive connection portion 4 extends outward along the horizontal direction after extending outward along the vertical direction for a certain distance.
In the end plate structure of the brushless motor in this embodiment, the insulator 3 is disposed outside the conductive terminal group and wraps the conductive terminal group into a whole, and a through hole is disposed at the center of the insulator 3.
The assembling method of the brushless motor end plate structure comprises the following steps:
(1) the method comprises the following steps that a conductive terminal group made of a metal material is arranged, the conductive terminal group comprises a plurality of terminal connecting pieces of an integrated structure, each terminal connecting piece comprises a conductive connecting part 4 and a terminal connecting part connected between the conductive connecting part 4 and the conductive connecting part 4, each terminal connecting part is of a circular structure, the conductive connecting parts 4 are arranged on the terminal connecting parts, and the conductive connecting parts 4 and the terminal connecting parts form the circular structure of the integrated structure;
(2) arranging a first terminal connecting sheet 1, wherein three conductive connecting parts 4 are arranged on the first terminal connecting sheet 1, and the conductive connecting parts 4 are respectively arranged at two ends and the middle part of the terminal connecting part and extend outwards along the length direction of the terminal connecting part;
(3) arranging a second terminal connecting sheet 2, wherein two conductive connecting parts 4 are arranged on the second terminal connecting sheet 2, and the conductive connecting parts 4 are respectively arranged at two ends of the terminal connecting parts and extend outwards along the length direction of the terminal connecting parts;
(4) assembling the conductive terminal group, wherein a plurality of terminal connecting sheets are distributed in a staggered manner in the circumferential direction in a stacking manner and comprise a first terminal connecting sheet 1 arranged at the central position and second terminal connecting sheets 2 arranged at the upper side and the lower side of the first terminal connecting sheet 1;
(5) and integrally injection-molding the assembled conductive terminal group to form an insulator 3 outside the conductive terminal group, and wrapping the assembled conductive terminal group into a whole by the insulator 3 to complete the assembly of the brushless motor end plate structure.
In the brushless motor end plate assembling method in this embodiment, the step (2) further includes the following steps:
(2.1) arranging a first terminal connecting sheet 1; the conductive connecting portion 4 disposed at the middle of the terminal connecting portion is further provided with a soldering hole 42, and the conductive connecting portions 4 disposed at both ends of the terminal connecting portion are provided with conductive connecting holes 41.
In the brushless motor end plate assembling method in this embodiment, the step (3) further includes the following steps:
(3.1) providing a second terminal connecting sheet 2; the conductive connecting parts 4 are all provided with conductive connecting holes 41, one conductive connecting part 4 is also provided with a welding hole 42, and the welding hole 42 is arranged on the inner side of the conductive connecting hole 41.
The design of the end plate structure of the brushless motor in the embodiment is mainly as follows:
the brushless motor end plate structure in the embodiment is a four-pole six-slot brushless motor end plate structure, and comprises a conductive terminal group made of a metal material and an insulator arranged outside the conductive terminal group, wherein the conductive terminal group comprises a first terminal connecting sheet and a second terminal connecting sheet which are integrally formed, the first terminal connecting sheet is arranged at the central position of the conductive terminal group, the two second conductive terminal groups are respectively arranged at the upper side and the lower side of the first terminal connecting sheet, the terminal connecting sheets respectively comprise a conductive connecting part and a terminal connecting part connected between the conductive connecting part and the conductive connecting part, the terminal connecting part is of a circular structure, the conductive connecting part is arranged on the terminal connecting part, and the conductive connecting part and the terminal connecting part form a circular structure of an integral structure; the first terminal connecting pieces and the second terminal connecting pieces are distributed in a stacking and staggered mode in the circumferential direction, the first terminal connecting pieces are arranged at the center of the conductive terminal group, and the second terminal connecting pieces are arranged on the upper side and the lower side of the first terminal connecting pieces. The axial distance of the brushless motor end plate can be effectively shortened, the overall structure thickness of the conductive terminal group is reduced, meanwhile, the assembling and positioning difficulty is reduced, and the effect of convenience and quickness in assembling is achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (5)
1. A brushless motor end plate structure is characterized by comprising a conductive terminal group made of a metal material and an insulator arranged on the outer side of the conductive terminal group, wherein the conductive terminal group comprises a first terminal connecting sheet and a second terminal connecting sheet which are integrally formed, each terminal connecting sheet comprises a conductive connecting part and a terminal connecting part connected between the conductive connecting part and the conductive connecting part, each terminal connecting part is of a circular structure, the conductive connecting parts are arranged on the terminal connecting parts, and the conductive connecting parts and the terminal connecting parts form a circular structure of an integrated structure; the first terminal connecting pieces and the second terminal connecting pieces are distributed in a stacking and staggered manner in the circumferential direction, the first terminal connecting pieces are arranged at the center of the conductive terminal group, and the second terminal connecting pieces are arranged on the upper side and the lower side of the first terminal connecting pieces;
the first terminal connecting piece is provided with three conductive connecting parts which are respectively arranged at two ends and the middle part of the terminal connecting part and extend outwards along the length direction of the terminal connecting part;
the second terminal connecting piece is provided with two conductive connecting parts, the conductive connecting parts are respectively arranged at two ends of the terminal connecting parts and extend outwards along the length direction of the terminal connecting parts, the conductive connecting parts are all provided with conductive connecting holes, one conductive connecting part is also provided with a welding hole, and the welding hole is arranged on the inner side of the conductive connecting hole.
2. The end plate structure of a brushless motor of claim 1, wherein the conductive terminal group is composed of a first terminal connecting piece provided at a central position of the conductive terminal group and two second conductive terminals provided respectively at upper and lower sides of the first terminal connecting piece.
3. The end plate structure of a brushless motor of claim 1, wherein the conductive connection portion on the first terminal connecting piece and the terminal connection portion are disposed on the same horizontal plane.
4. The end plate structure of a brushless motor of claim 1, wherein the conductive connection portion on the second terminal connecting piece and the terminal connection portion are disposed on different horizontal planes, and the conductive connection portion extends outward in a horizontal direction after extending outward in a vertical direction by a distance.
5. The end plate structure of a brushless motor of claim 1, wherein the insulator is disposed outside and integrally surrounds the conductive terminal group, and a through hole is provided at a center of the insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350094.XU CN210041491U (en) | 2019-08-20 | 2019-08-20 | Brushless motor end plate structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350094.XU CN210041491U (en) | 2019-08-20 | 2019-08-20 | Brushless motor end plate structure |
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| CN210041491U true CN210041491U (en) | 2020-02-07 |
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| CN201921350094.XU Active CN210041491U (en) | 2019-08-20 | 2019-08-20 | Brushless motor end plate structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381546A (en) * | 2021-06-29 | 2021-09-10 | 珠海格力电器股份有限公司 | Stator wiring assembly, stator assembly and motor |
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2019
- 2019-08-20 CN CN201921350094.XU patent/CN210041491U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381546A (en) * | 2021-06-29 | 2021-09-10 | 珠海格力电器股份有限公司 | Stator wiring assembly, stator assembly and motor |
| CN113381546B (en) * | 2021-06-29 | 2024-05-03 | 珠海格力电器股份有限公司 | Stator wiring assembly, stator assembly and motor |
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