CN215871126U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
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- CN215871126U CN215871126U CN202120633982.3U CN202120633982U CN215871126U CN 215871126 U CN215871126 U CN 215871126U CN 202120633982 U CN202120633982 U CN 202120633982U CN 215871126 U CN215871126 U CN 215871126U
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- fastening
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- permanent magnet
- magnet synchronous
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Abstract
The utility model relates to the technical field of motors, in particular to a permanent magnet synchronous motor which comprises a machine body, an end cover and a motor output cable, wherein a stator winding is arranged in the machine body, a flat copper outgoing line is arranged at the end part of the stator winding, the end cover is arranged on the machine body, and the permanent magnet synchronous motor also comprises a wire holder, a first wiring terminal, a second wiring terminal, a fastening nut and a fastening connecting screw; the wiring seat is arranged on the end cover, the first wiring terminal is connected with the motor output cable, the second wiring terminal is connected with the flat copper outgoing line, a first through hole is formed in the first wiring terminal, and a second through hole is formed in the second wiring terminal; the fastening nut is arranged in the wire holder, and the fastening connecting screw sequentially penetrates through the second through hole and the first through hole to be connected with the fastening nut, so that the second connecting terminal and the first connecting terminal are connected together.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a permanent magnet synchronous motor.
Background
More and more adoption flat copper wire structure of PMSM's stator winding, stator winding's lead-out wire is flat copper wire, and the three-phase output line of motor generally all adopts insulated cable, motor on the present market often adopts on the rear end of motor covers, add a terminal box, arrange a connection terminal by plastics materials processing such as phenolic aldehyde in the terminal box, inside is buried copper's lug again underground, it is fixed to utilize the copper to connect between the flat copper wire that motor stator draws and the motor output cable, its fixed knot constructs complicacy, occupation space is more, the cost is higher, and then PMSM's manufacturing cost has been increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a permanent magnet synchronous motor with lower manufacturing cost.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the permanent magnet synchronous motor comprises a machine body, an end cover and a motor output cable, wherein a stator winding is arranged in the machine body, a flat copper outgoing line is arranged at the end part of the stator winding, the end cover is arranged on the machine body, and the permanent magnet synchronous motor also comprises a wire holder, a first wiring terminal, a second wiring terminal, a fastening nut and a fastening connecting screw;
the wiring seat is arranged on the end cover, the first wiring terminal is connected with the motor output cable, the second wiring terminal is connected with the flat copper outgoing line, a first through hole is formed in the first wiring terminal, and a second through hole is formed in the second wiring terminal;
the fastening nut is arranged in the wire holder, and the fastening connecting screw sequentially penetrates through the second through hole and the first through hole to be connected with the fastening nut, so that the second wiring terminal and the first wiring terminal are connected together.
Further, the wire holder is made of plastic and is formed by injection molding.
Furthermore, a limiting fastening piece is arranged on the wire holder, a fastening nut is arranged between the limiting fastening piece and the bottom of the wire holder in a matched mode, a third through hole is formed in the limiting fastening piece, and a fastening connection screw penetrates through the third through hole in a matched mode.
Further, the fastening nut is a square nut.
Furthermore, an elastic gasket and a fastening gasket are arranged on the fastening connection screw, and the elastic gasket and the fastening gasket are sequentially arranged between the head of the fastening connection screw and the second wiring terminal.
Further, the wire holder is provided on the end cap by a bolt.
The utility model has the beneficial effects that: the connection structure between the flat copper outgoing line and the motor output cable comprises a wire holder, a first wiring terminal, a second wiring terminal, a fastening nut and a fastening connection screw; the wiring seat sets up on the end cover, and first binding post is connected with motor output cable, and second binding post is connected with the band copper lead-out wire, is provided with first through-hole on the first binding post, and second binding post is provided with the second through-hole, and fastening nut sets up in the wiring seat, and fastening connection screw passes second through-hole, first through-hole in proper order and is connected with fastening nut to link together second binding post, first binding post. The connecting structure occupies less space, has a simple structure and low manufacturing cost, and further reduces the manufacturing cost of the permanent magnet synchronous motor.
Furthermore, the wire holder is arranged on the end cover through the bolt, so that the bolt connection effect is good, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
parts, positions and numbers in the drawings: spacing mounting plate 1, end cover 2, motor output cable 3, wire holder 4, first binding post 5, second binding post 6, fastening nut 7, fastening connection screw 8, flat copper lead-out wire 9.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 and 2, the permanent magnet synchronous motor of the utility model comprises a machine body, an end cover 2 and a motor output cable 3, wherein a stator winding is arranged in the machine body, a flat copper outgoing line 9 is arranged at the end part of the stator winding, the end cover 2 is arranged on the machine body, and the permanent magnet synchronous motor also comprises a wire holder 4, a first wiring terminal 5, a second wiring terminal 6, a fastening nut 7 and a fastening connecting screw 8;
the wiring seat 4 is arranged on the end cover 2, the first wiring terminal 5 is connected with the motor output cable 3, the second wiring terminal 6 is connected with the flat copper outgoing line 9, a first through hole is formed in the first wiring terminal 5, and a second through hole is formed in the second wiring terminal 6;
the fastening nut 7 is arranged in the wire holder 4, and the fastening connecting screw 8 passes through the second through hole and the first through hole in sequence to be connected with the fastening nut 7, so that the second wiring terminal 6 and the first wiring terminal 5 are connected together.
The connection structure between the flat copper outgoing line 9 and the motor output cable 3 comprises the wire holder 4, the first wiring terminal 5, the second wiring terminal 6, the fastening nut 7 and the fastening connecting screw 8, wherein the flat copper outgoing line 9 and the motor output cable 3 are connected together directly through the connection and matching of the fastening connecting screw 8 and the fastening nut 7.
Specifically, in order to reduce the manufacturing cost of the wire holder 4, the material of the wire holder 4 is plastic, and the wire holder is formed by injection molding. Because the wire holder 4 is formed through injection moulding, the fastening nut 7 is injected into the wire holder 4, so that the fastening nut 7 is made of a plurality of injection moulding materials, is inconvenient to clean and influences the use of the fastening nut 7. As shown in fig. 2, the wire holder 4 of the utility model is provided with a limiting fastening plate 1, a fastening nut 7 is arranged between the limiting fastening plate 1 and the bottom of the wire holder 4 in a matching manner, namely, a nut placing cavity is arranged between the limiting fastening plate 1 and the bottom and the side part of the wire holder 4, the fastening nut 7 is arranged in the nut placing cavity in a matching manner, the limiting fastening plate 1 is provided with a third through hole, and a fastening connecting screw 8 is arranged to penetrate through the third through hole in a matching manner. The placing mode of the fastening nut 7 is simple in structure and convenient to use. In order to improve the tightness of the fastening nut 7 and reduce the possibility of rotation thereof during use, the fastening nut 7 is preferably a square nut.
In order to connect the second wiring terminal 6 and the first wiring terminal 5 together, the connection firmness of the second wiring terminal and the first wiring terminal is improved, an elastic gasket and a fastening gasket are arranged on the fastening connection screw 8, and the elastic gasket and the fastening gasket are sequentially arranged between the head of the fastening connection screw 8 and the second wiring terminal 6.
In order to facilitate the setting of the wire holder 4 on the end cover 2, the wire holder 4 is arranged on the end cover 2 through a bolt, the bolt connection effect is good, and the operation is convenient.
Claims (6)
1. Permanent magnet synchronous machine, including organism, end cover (2), motor output cable (3), be provided with stator winding in the organism, stator winding's tip is provided with flat copper lead-out wire (9), and end cover (2) set up on the organism, its characterized in that: the wire connecting device also comprises a wire holder (4), a first wire connecting terminal (5), a second wire connecting terminal (6), a fastening nut (7) and a fastening connecting screw (8);
the wiring seat (4) is arranged on the end cover (2), the first wiring terminal (5) is connected with the motor output cable (3), the second wiring terminal (6) is connected with the flat copper outgoing line (9), a first through hole is formed in the first wiring terminal (5), and a second through hole is formed in the second wiring terminal (6);
the fastening nut (7) is arranged in the wire holder (4), and the fastening connecting screw (8) sequentially penetrates through the second through hole and the first through hole to be connected with the fastening nut (7), so that the second wiring terminal (6) and the first wiring terminal (5) are connected together.
2. The permanent magnet synchronous motor according to claim 1, characterized in that: the wire holder (4) is made of plastic and is formed by injection molding.
3. The permanent magnet synchronous motor according to claim 2, characterized in that: be provided with spacing mounting plate (1) on connection terminal (4), fastening nut (7) match to set up between spacing mounting plate (1) and connection terminal (4) bottom, are provided with the third through-hole on spacing mounting plate (1), and fastening connection screw (8) match and pass the third through-hole setting.
4. The permanent magnet synchronous motor according to claim 3, characterized in that: the fastening nut (7) is a square nut.
5. The permanent magnet synchronous motor according to any one of claims 1 to 4, characterized in that: an elastic gasket and a fastening gasket are arranged on the fastening connection screw (8), and the elastic gasket and the fastening gasket are sequentially arranged between the head of the fastening connection screw (8) and the second wiring terminal (6).
6. The permanent magnet synchronous motor according to claim 1, characterized in that: the wire holder (4) is arranged on the end cover (2) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633982.3U CN215871126U (en) | 2021-03-29 | 2021-03-29 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633982.3U CN215871126U (en) | 2021-03-29 | 2021-03-29 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215871126U true CN215871126U (en) | 2022-02-18 |
Family
ID=80318493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120633982.3U Active CN215871126U (en) | 2021-03-29 | 2021-03-29 | Permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215871126U (en) |
-
2021
- 2021-03-29 CN CN202120633982.3U patent/CN215871126U/en active Active
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