CN214205195U

CN214205195U - Three-phase alternating current motor for efficient sealing small-sized pure electric automobile

Info

Publication number: CN214205195U
Application number: CN202023342526.8U
Authority: CN
Inventors: 鲍方
Original assignee: CHANGZHOU WUQI AUTO ELECTRIC CO LTD
Current assignee: CHANGZHOU WUQI AUTO ELECTRIC CO LTD
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-14
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a three-phase AC motor for a high-efficiency sealed small-sized pure electric vehicle, which comprises a casing, wherein a wiring box on the casing is provided with a wiring harness hole, a joint is clamped on the wiring harness hole and comprises a clamping part and a nut which are connected by screw threads, and the wiring harness is locked by locking the nut; the inner wall and the outer wall of the clamping portion are both provided with convex rings. The bulge loop on the inner wall is used for the interference to connect the pencil, and the bulge loop on the outer wall is used for the interference to connect the pencil hole, reaches the high-efficient sealed purpose of terminal box to make the difficult terminal box that gets into of dust, and then make electric automobile can be in the more environment normal use of dust.

Description

Three-phase alternating current motor for efficient sealing small-sized pure electric automobile

Technical Field

The utility model relates to the technical field of motors, specifically a three-phase alternating current motor for high-efficient sealed small-size pure electric automobile.

Background

A three-phase AC motor is a device for converting electric energy into mechanical energy, and is mainly composed of a stator, a rotor and an air gap between the stator and the rotor. The three-phase alternating current asynchronous motor has the advantages of simple structure, reliable operation, low price, strong overload capacity, convenient use, installation and maintenance and the like, and is widely applied to various fields.

The motor shell is provided with a junction box, and the electric wire penetrates through a wire harness hole of the junction box. When the electric automobile runs in the environment of more dust and uses, the dust gets into the terminal box easily to influence the motor and normally use, influence electric automobile's normal use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the technical problem that the traditional three-phase alternating current motor junction box is poor in sealing performance is solved.

The utility model provides a three-phase AC motor for a high-efficiency sealed small-sized pure electric vehicle, which comprises a casing, wherein a wiring box on the casing is provided with a wiring harness hole, a joint is clamped on the wiring harness hole and comprises a clamping part and a nut which are connected by screw threads, and the wiring harness is locked by locking the nut;

the inner wall and the outer wall of the clamping portion are both provided with convex rings.

The bulge loop on the inner wall is used for the interference to connect the pencil, and the bulge loop on the outer wall is used for the interference to connect the pencil hole, reaches the high-efficient sealed purpose of terminal box to make the difficult terminal box that gets into of dust, and then make electric automobile can be in the more environment normal use of dust.

Further, air cavities are arranged inside the convex rings. The air cavity is used for improving the deformation capacity of the convex ring and further improving the sealing effect.

Furthermore, the outer wall of the convex ring is provided with a wear-resistant layer. The wearing layer is a rubber wearing layer, which not only can not affect the sealing performance of the convex ring, but also can lead the convex ring not to be worn easily.

Further, joint portion is including guide part, installation department and the connecting portion that integrated into one piece connects in proper order, the installation department with pencil jogged joint, the guide part with the connecting portion joint in pencil hole both sides, the bulge loop is located the installation department. The guide part is used for facilitating installation of the clamping part, and the guide part and the connecting part act together to enable the installation of the clamping part to be firmer.

Furthermore, the guide part is conical and is provided with a plurality of uniformly distributed notches. The conical design of the guide part guides the clamping part during installation; the breach is convenient for the guide part deformation, the joint portion installation of being convenient for.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view with a partial cross-section of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a schematic view of the structure of the joint;

FIG. 6 is a front view of the joint;

in the figure: 1. a housing; 2. a harness hole; 3. a joint; 4. a clamping part; 5. a nut; 31. a convex ring; 32. an air cavity; 33. a wear layer; 41. a guide portion; 42. an installation part; 43. a connecting portion; 44. and (4) a notch.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the utility model relates to a high-efficient sealed small-size three-phase alternating current motor for pure electric automobile, including casing 1, the terminal box on the casing 1 is equipped with wire harness hole 2, as shown in fig. 6, the joint has joint 3 on the wire harness hole 2, connects 3 joint portion 4 and nut 5 including threaded connection, through locking nut 5 locking pencil.

As shown in fig. 2 and 3, the clamping portion 4 includes a guiding portion 41, a mounting portion 42 and a connecting portion 43 which are integrally formed and connected in sequence, the mounting portion 42 is connected with the wire harness hole 2, and the guiding portion 41 and the connecting portion 43 are clamped at two sides of the wire harness hole 2. The guide portion 41 is used for facilitating installation of the clamping portion 4, and the guide portion 41 and the connecting portion 43 act together to enable the clamping portion 4 to be installed more firmly. As shown in fig. 5, the guide portion 41 is tapered and provided with a plurality of evenly-distributed notches 44. The tapered design of the guide portion 41 guides the engagement portion 4 when it is mounted; the notches 44 facilitate deformation of the guide portion 41 and installation of the snap-in portion 4.

The inner wall and the outer wall of the mounting portion 42 are provided with a convex ring 31. As shown in fig. 4, air chambers 32 are provided inside the collars 31. The air cavity 32 is used for improving the deformation capability of the convex ring 31 and further improving the sealing effect. The outer wall of the convex ring 31 is also provided with a rubber wear-resistant layer 33, and the rubber wear-resistant layer 33 does not affect the sealing performance of the convex ring 31 and enables the convex ring 31 not to be worn easily.

The bulge loop 31 on the inner wall is used for the interference to connect the pencil, and the bulge loop 31 on the outer wall is used for interference to connect pencil hole 2, reaches the high-efficient sealed purpose of terminal box to make the difficult terminal box that gets into of dust, and then make electric automobile can be in the more environment normal use of dust.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a three-phase alternating current motor for small-size pure electric automobile of high-efficient sealed, includes casing (1), terminal box on casing (1) is equipped with wire harness hole (2), its characterized in that: the wire harness hole (2) is clamped with a connector (3), the connector (3) comprises a clamping part (4) and a nut (5) which are in threaded connection, and a wire harness is locked by locking the nut (5);

the inner wall and the outer wall of the clamping part (4) are both provided with convex rings (31).

2. The three-phase ac motor for a high-efficiency sealed small-sized electric vehicle according to claim 1, wherein: air cavities (32) are arranged in the convex rings (31).

3. A three-phase ac motor for a high-efficiency sealed small-sized all-electric vehicle according to claim 1 or 2, wherein: the outer wall of the convex ring (31) is provided with a wear-resistant layer (33).

4. The three-phase ac motor for a high-efficiency sealed small-sized electric vehicle according to claim 1, wherein: joint portion (4) are including guide part (41), installation department (42) and connecting portion (43) that integrated into one piece connects in proper order, installation department (42) with pencil hole (2) are connected, guide part (41) with connecting portion (43) joint in pencil hole (2) both sides, bulge loop (31) are located installation department (42).

5. The three-phase ac motor for the high-efficiency sealed small-sized electric vehicle as claimed in claim 4, wherein: the guide part (41) is conical and is provided with a plurality of uniformly distributed notches (44).