CN217642934U

CN217642934U - Electric device

Info

Publication number: CN217642934U
Application number: CN202220885936.7U
Authority: CN
Inventors: 李炜
Original assignee: TAISHAN JIANGKOU ELECTRIC APPLIANCE MANUFACTORY Ltd
Current assignee: TAISHAN JIANGKOU ELECTRIC APPLIANCE MANUFACTORY Ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-10-21
Anticipated expiration: 2032-04-15

Abstract

The utility model provides an electric device, include: the rotor assembly is rotatably connected with the machine shell, and one end of the rotor assembly extends out of the machine shell. The electric drive assembly comprises a stator core and a plurality of armature windings, wherein the armature windings are arranged on the stator core and provided with leading-out ends; the terminal assembly comprises a terminal support and a plurality of terminals, a plurality of wire grooves and the terminals are arranged on one side, away from the stator core, of the terminal support, the leading-out ends sequentially penetrate through the terminal support, stretch into the wire grooves, extend along the wire grooves and are electrically connected with the corresponding terminals. The utility model discloses an electric drive winding of electric actuator draws forth the end and can connect the electricity with the terminal after the wire casing guide of terminal support, has reduced conducting material's such as red copper material consumption, has reduced manufacturing cost.

Description

Electric device

Technical Field

The utility model relates to a power device technical field, concretely relates to electric actuator.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The stator assembly is utilized to generate a rotating magnetic field and act on the rotor assembly to form magnetoelectric dynamic rotating torque. The stator assembly comprises a stator core and an armature winding, the electric drive winding is formed by connecting a certain number of armature coils according to a certain rule, is arranged on the stator core and is provided with a leading-out end and a public end, and the leading-out end is connected with an electric connection terminal.

The end of drawing forth of the armature winding of current motor and connect electrical terminal between adopt red copper ring shape piece to connect mostly, press into required shape with red copper earlier, will draw forth the end butt-joint on red copper for the end of drawing forth of each electricity drive winding collects, then is connected with electrical terminal electricity again, and a large amount of red copper can be consumed to this kind of mode, and has increased manufacturing procedure, leads to manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide an electric actuator.

An embodiment of the utility model provides an electric device, include: the rotor assembly is rotatably connected with the machine shell, and one end of the rotor assembly extends out of the machine shell.

The electric drive assembly comprises a stator core and a plurality of armature windings, wherein the stator core is arranged around the rotor assembly, the armature windings are arranged on the stator core and evenly distributed around the rotor assembly, and the armature windings are provided with leading-out ends; the terminal assembly comprises a terminal support and a plurality of terminals, the terminal support is arranged at one end of the stator core, the terminal support is arranged around the rotor assembly, one side, away from the stator core, of the terminal support is provided with a plurality of wire grooves and the terminals, the wire grooves are sequentially arranged in the direction close to the rotor assembly, the wire grooves extend in the direction surrounding the rotor assembly, the terminals and the wire grooves are arranged in a one-to-one correspondence manner, and the leading-out ends sequentially penetrate through the terminal support, stretch into the wire grooves, extend along the wire grooves and are electrically connected with the corresponding terminals.

Compared with the prior art, the utility model discloses an end of drawing forth of electric drive winding of electric actuator can connect the electricity with the terminal after the wire casing guide of terminal support, has reduced conducting material's such as red copper material consumption, has reduced manufacturing cost.

In some optional embodiments, a wire connecting groove is formed on the terminal, the wire connecting groove is communicated with the wire guiding groove, and the leading end extends into the wire connecting groove and is electrically connected with the terminal.

In some alternative embodiments, the terminal includes a base body portion provided on the terminal holder and having at least one side provided with the wire connection portion, and a plurality of wire connection portions surrounding the wire connection groove.

In some optional embodiments, a plurality of limiting parts are arranged at the opening of the wire guide groove, and the limiting parts are sequentially arranged along the extending direction of the wire guide groove.

In some alternative embodiments, the position-limiting part is a position-limiting buckle with elasticity.

In some optional embodiments, a plurality of wire arrangement grooves are formed in the terminal bracket, the wire arrangement grooves are communicated with the wire grooves in a one-to-one correspondence manner, the terminal is arranged at an opening of the wire arrangement groove, and the leading-out end extends along the wire groove, enters the wire arrangement groove, then extends out of the opening of the wire arrangement groove, and is electrically connected with the terminal.

In some optional embodiments, the terminal bracket is provided with a catching groove, the terminal is provided with a mounting plate, the mounting plate is provided with a buckle, and the buckle is clamped into the catching groove.

In some optional embodiments, the terminal support is provided with a connecting piece, the connecting piece is arranged around the rotor assembly, and the connecting piece is positioned on one side of the terminal support away from the stator core and is uniformly arranged around the rotor assembly;

the electric drive winding is also provided with a common end, and the common end penetrates through the terminal bracket and then is electrically connected with the connecting sheet.

In some optional embodiments, the terminal bracket is provided with a mounting groove and a plurality of through grooves, the mounting groove is arranged around the rotor assembly, and the plurality of through grooves are arranged around the rotor assembly in uniform arrangement and are communicated with the mounting groove;

the connecting piece is arranged in the mounting groove, a plurality of connecting portions are arranged on the connecting piece, the connecting portions extend out from the mounting groove to one side, away from the stator core, of the terminal support, and the public ends penetrate through the through grooves in a one-to-one correspondence mode and then are connected with the connecting portions.

In some optional embodiments, the casing is provided with a mounting opening and an end cover, the end cover closes the mounting opening, the end cover is provided with a terminal sheath, the terminal sheath penetrates through the end cover and extends into the interior of the casing, and the terminal sheath is provided with a through channel;

the stator core and the terminal support are sequentially arranged in the direction close to the mounting opening, and the terminal penetrates through the through passage and then extends out of the shell.

In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an electric device according to an embodiment of the present invention;

fig. 2 is an exploded view of an electric device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an electric drive assembly and terminal assembly in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of one side of an electric drive assembly and terminal assembly in accordance with one embodiment of the present invention;

fig. 5 is a schematic structural view of a terminal according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a terminal holder according to an embodiment of the present invention;

fig. 7 is an exploded view of a terminal assembly in accordance with an embodiment of the present invention.

Description of reference numerals:

10. a housing; 11. an installation port; 12. an end cap; 13. a terminal sheath; 20. a rotor assembly; 30. an electric drive assembly; 31. a stator core; 32. an armature winding; 33. leading out the terminal; 34. a common terminal; 40. a terminal assembly; 41. a terminal holder; 411. a wire guide groove; 412. a limiting part; 413. arranging a wire slot; 414. buckling grooves; 415. mounting grooves; 416. a through groove; 42. a terminal; 421. a wiring slot; 422. a base portion; 423. a wiring portion; 424. mounting a plate; 425. buckling; 43. connecting sheets; 431. a connecting portion.

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. In the description of the present invention, "a number" means 2 or more than 2 unless otherwise specified. In the description of the present invention, "a plurality" means 1 or more than 1 unless otherwise specified.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an electric device according to an embodiment of the present invention, and fig. 2 is an exploded view of an electric device according to an embodiment of the present invention, the electric device includes: the motor comprises a machine shell 10, and a rotor assembly 20, an electric driving assembly 30 and a terminal assembly 40 which are arranged in the machine shell 10, wherein the rotor assembly 20 is rotatably connected with the machine shell 10, and one end of the rotor assembly 20 extends out of the machine shell 10.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of an electric drive assembly and a terminal assembly according to an embodiment of the present invention, fig. 4 is a schematic structural diagram of one side of the electric drive assembly and the terminal assembly according to an embodiment of the present invention, the electric drive assembly 30 includes a stator core 31 and a plurality of armature windings 32, the stator core 31 is disposed around the rotor assembly 20, the plurality of armature windings 32 are disposed on the stator core 31 and are uniformly disposed around the rotor assembly 20, and the armature windings 32 have an outlet end 33; the terminal assembly 40 includes a terminal bracket 41 and a plurality of terminals 42, the terminal bracket 41 is disposed at one end of the stator core 31, the terminal bracket 41 is disposed around the rotor assembly 20, one side of the terminal bracket 41 facing away from the stator core 31 is provided with a plurality of wire slots 411 and the terminals 42, the plurality of wire slots 411 are sequentially arranged in a direction close to the rotor assembly 20, the wire slots 411 extend in a direction surrounding the rotor assembly 20, the terminals 42 are disposed in one-to-one correspondence with the wire slots 411, the leading ends 33 sequentially penetrate through the terminal bracket 41, extend into the wire slots 411, extend along the wire slots 411, and are electrically connected with the corresponding terminals 42. The leading-out ends 33 of the electric driving windings are distributed at different positions, the leading-out ends 33 penetrate through the terminal bracket 41, are converged at the terminal 42 after passing through the wire groove 411 and are connected with the terminal 42, the winding of the leading-out ends 33 is avoided, and the consumption of conductive materials is reduced. In order to improve the insulation of the terminals 33 between the different wire slots 411, the terminal holder 41 is preferably made of an insulating material, such as plastic. In the present embodiment, a through hole is provided in the wire guide slot 411, the through hole communicates with a side of the terminal holder 41 close to the stator core 31, and the lead-out terminal 33 passes through the through hole and enters the wire guide slot 411.

In the present embodiment, a permanent magnet brushless electric device is taken as an example for explanation, the terminal holder 41 is provided with 3 terminals 42 and 3 wire slots 411, the electric drive assembly 30 includes 12 armature windings 32, the electric drive assembly 30 adopts three-phase star connection, the same terminal 42 is electrically connected with the leading-out terminals 33 of the 4 armature windings 32, and the electrical connection manner between the leading-out terminals 33 of the armature windings 32 and the terminals 42 in various types of electric devices is well known by those skilled in the art, and therefore, the detailed description thereof is omitted here.

Referring to fig. 5, which is a schematic structural diagram of a terminal according to an embodiment of the present invention, in order to facilitate connection between the terminal 42 and the leading-out terminal 33, in some optional embodiments, a wiring groove 421 is disposed on the terminal 42, the wiring groove 421 is communicated with the wire guiding groove 411, the leading-out terminal 33 extends into the wiring groove 421 to be electrically connected to the wiring portion 423, and the wiring groove 421 surrounds the leading-out terminal 33, so as to improve connection stability. In the present embodiment, the lead 33 and the wire connecting groove 421 are fixedly connected by butt welding.

In order to facilitate the formation of the wire connection groove 421, in some alternative embodiments, the terminal 42 includes a base body portion 422 and a plurality of wire connection portions 423, the base body portion 422 is provided on the terminal holder 41, at least one side thereof is provided with the wire connection portions 423, and the wire connection portions 423 surround the wire connection groove 421. In the present embodiment, the wiring portions 423 are provided on both sides of the base body 422, the wiring groove 421 is a through groove 416, the terminals 33 pass through the wiring groove 421, and portions of the terminals 33 located in the wiring groove 421 are electrically connected to the wiring portions 423.

Referring to fig. 6, which is a schematic structural diagram of a terminal bracket according to an embodiment of the present invention, in order to prevent the terminal 33 from being separated from the wire guide slot 411, in some optional embodiments, a plurality of limiting portions 412 are disposed at an opening of the wire guide slot 411, the limiting portions 412 are sequentially arranged along an extending direction of the wire guide slot 411, and the limiting portions 412 limit the terminal 33 from being separated from the opening of the wire guide slot 411, so as to prevent the terminal 33 from being electrically connected with the terminals 33 of other wire guide slots 411 after being separated from the wire guide slot 411, thereby preventing a failure.

In order to facilitate production and assembly, in some alternative embodiments, the limiting portion 412 is a limiting buckle having elasticity, and when the terminal 33 enters the wire guide slot 411 from the opening of the wire guide slot 411, the elasticity of the limiting buckle can be used, the limiting buckle moves away from the opening of the wire guide slot 411 so as to avoid the terminal 33, and after the terminal 33 is installed, the elastic buckle is reset. Of course, the structure of the limiting portion 412 is not limited thereto, and those skilled in the art can also select other suitable structures according to the teachings of the present invention, for example, the limiting portion 412 adopts a fixture block, and the fixture block is clamped at the opening of the wire guiding slot 411.

In order to improve the stability of the terminal 33, in some alternative embodiments, a plurality of wire shaping grooves 413 are provided on the terminal support 41, the wire shaping grooves 413 are in one-to-one correspondence with the wire guiding grooves 411, the terminal 42 is provided at an opening of the wire shaping groove 413, and the terminal 33 extends along the wire guiding groove 411, enters the wire shaping groove 413, then extends out of the opening of the wire shaping groove 413, and is electrically connected to the terminal 42. In the present embodiment, the wire aligning groove 413 is located at the edge of the terminal holder 41, and a side opening is formed at the side surface of the terminal holder 41, so that the production and the processing are facilitated.

In order to facilitate the assembly and maintenance of the terminal 42, in some alternative embodiments, the terminal bracket 41 is provided with a catching groove 414, the terminal 42 is provided with a mounting plate 424, the mounting plate 424 is provided with a catch 425, and the catch 425 is caught in the catching groove 414, so as to achieve the detachable connection between the terminal 42 and the terminal bracket 41. Of course, the manner of mounting the terminal 42 and the terminal bracket 41 is not limited thereto, and those skilled in the art can select other suitable structures according to the teachings of the present invention, for example, a slot is provided on the terminal bracket 41, the end of the terminal 42 is snapped into the slot, or the terminal 42 is fixed on the terminal bracket 41 by a screw connection.

Referring to fig. 7, which is an exploded view of a terminal assembly according to an embodiment of the present invention, in order to facilitate the connection of the common ends 34 of the respective electric drive windings, in some alternative embodiments, a connecting piece 43 is disposed on the terminal bracket 41, the connecting piece 43 is disposed around the rotor assembly 20, and the connecting piece 43 is disposed on a side of the terminal bracket 41 away from the stator core 31 and is uniformly disposed around the rotor assembly 20; the electric drive winding also has a common terminal 34, and the common terminal 34 is electrically connected with the connecting sheet 43 after passing through the terminal bracket 41.

In order to facilitate production and assembly, in some alternative embodiments, the terminal bracket 41 is provided with a mounting groove 415 and a plurality of through grooves 416, the mounting groove 415 is disposed around the rotor assembly 20, and the plurality of through grooves 416 are disposed around the rotor assembly 20 in uniform arrangement and are communicated with the mounting groove 415; the connecting sheet 43 is disposed in the mounting groove 415, the connecting sheet 43 is provided with a plurality of connecting portions 431, the connecting portions 431 extend from the mounting groove 415 to a side of the terminal support 41 away from the stator core 31, and the common ends 34 are connected with the connecting portions 431 after passing through the through grooves 416 in a one-to-one correspondence manner. After the common end 34 passes through the through slot 416 of the terminal bracket 41, the operation of welding the common end 34 and the connecting portion 431 is performed on the side of the terminal bracket 41 away from the stator core 31, so that the production and the processing can be facilitated, and the stator core 31 is prevented from interfering with the operation of processing equipment. Further, the conductor slots 411 and the stopper portions 412 are provided on the side away from the stator core 31, which also has the effect of preventing the stator core 31 from interfering with the production process.

In order to facilitate the fixation of the terminal 42 and improve the stability of the terminal 42, in some alternative embodiments, the housing 10 is provided with a mounting opening 11 and an end cover 12, the end cover 12 closes the mounting opening 11, the end cover 12 is provided with a terminal sheath 13, the terminal sheath 13 extends into the interior of the housing 10 through the end cover 12, and the terminal sheath 13 is provided with a through channel; the stator core 31 and the terminal bracket 41 are sequentially arranged in a direction close to the mounting opening 11, the terminal 42 extends out of the casing 10 after passing through the through passage, and the part of the terminal 42 extending out of the casing 10 is convenient for power connection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electrically powered device, comprising: the motor comprises a machine shell, a rotor assembly, an electric driving assembly and a terminal assembly, wherein the rotor assembly, the electric driving assembly and the terminal assembly are arranged in the machine shell and are rotationally connected with the machine shell;

the electric drive assembly comprises a stator core and a plurality of armature windings, wherein the stator core is arranged around the rotor assembly, the armature windings are arranged on the stator core and evenly distributed around the rotor assembly, and the armature windings are provided with leading-out ends;

the terminal subassembly includes terminal support and a plurality of terminal, the terminal support sets up stator core's one end, the terminal support centers on the rotor subassembly arranges, one side that the terminal support deviates from stator core is provided with a plurality of wire grooves and a plurality of terminal, a plurality of wire grooves are arranged according to the preface along the direction that is close to the rotor subassembly, the wire groove extends along the direction of encircleing the rotor subassembly, the terminal with the wire groove one-to-one arranges, draw forth the end according to the preface and pass the terminal support, stretch into the wire groove, follow the wire groove extends, with correspond the terminal electricity is connected.

2. An electrically powered device according to claim 1 wherein: the terminal is provided with a wiring groove, the wiring groove is communicated with the wire groove, and the leading-out end extends into the wiring groove and is electrically connected with the terminal.

3. An electrically powered device according to claim 2 wherein: the terminal includes a base body portion provided on the terminal holder, and a plurality of wire connection portions provided on at least one side thereof, the wire connection portions surrounding the wire connection grooves.

4. An electrically powered device as claimed in claim 1, wherein: the opening of the wire guide groove is provided with a plurality of limiting parts, and the limiting parts are sequentially arranged along the extending direction of the wire guide groove.

5. An electrically powered device according to claim 4 wherein: the limiting part is an elastic limiting buckle.

6. An electrically powered device according to any one of claims 1 to 5 wherein: the terminal support is provided with a plurality of whole wire grooves, the whole wire grooves are communicated with the wire grooves in a one-to-one correspondence mode, the terminals are arranged at openings of the whole wire grooves, the leading-out ends extend along the wire grooves, then enter the whole wire grooves, then extend out of the openings of the whole wire grooves and are electrically connected with the terminals.

7. An electrically powered device according to any one of claims 1 to 5 wherein: the terminal comprises a terminal support and is characterized in that a catching groove is formed in the terminal support, a mounting plate is arranged on the terminal, a buckle is arranged on the mounting plate, and the buckle is clamped into the catching groove.

8. An electrically powered device as claimed in any one of claims 1 to 5 wherein: the terminal bracket is provided with connecting pieces which are arranged around the rotor assembly, and the connecting pieces are positioned on one side of the terminal bracket, which is far away from the stator core, and are uniformly arranged around the rotor assembly;

9. An electrically powered device according to claim 8 wherein: the terminal bracket is provided with a mounting groove and a plurality of through grooves, the mounting groove is arranged around the rotor assembly, and the through grooves are uniformly arranged around the rotor assembly and communicated with the mounting groove;

the connecting piece is arranged in the mounting groove, a plurality of connecting portions are arranged on the connecting piece, the connecting portions extend out of one side, away from the stator core, of the terminal support from the mounting groove, and the public ends penetrate through the through grooves in a one-to-one correspondence mode and then are connected with the connecting portions.

10. An electrically powered device according to any one of claims 1 to 5 wherein: the shell is provided with an installation opening and an end cover, the end cover closes the installation opening, the end cover is provided with a terminal sheath, the terminal sheath penetrates through the end cover and extends into the shell, and the terminal sheath is provided with a through channel;