CN210007512U - Lid integrated structure and motor behind motor - Google Patents

Abstract

The utility model provides a behind motor lid integrated configuration and motor, relate to motor technical field the motor behind lid integrated configuration includes plate body and terminal box, the plate body has the internal surface that is used for being connected with motor housing and the surface that sets up relatively with the internal surface, the terminal box is connected in the surface, the terminal box is provided with the line hole in the projection region on the external surface, the plate body is provided with the mounting groove that is used for installing the encoder, the diapire of mounting groove is provided with the through-hole, the lateral wall of mounting groove is provided with the second through-hole, the through-hole, the second through-hole, the line hole is used for the motor three-phase line in the motor housing to pass in order to stretch into in the terminal box in order.

Description

Lid integrated structure and motor behind motor

Technical Field

The utility model relates to the technical field of motors, particularly, relate to lid integrated configuration and motor behind kinds of motors.

Background

With the increasing consumption of petroleum resources and the gradual increase of urban atmospheric pollution, countries in the world adopt corresponding policies to encourage the development of new energy electric vehicles to replace traditional fuel vehicles. The new energy electric vehicle is driven by a motor to provide power. An encoder and a junction box are arranged outside the motor, and a cable in the motor is electrically connected with the motor controller through the junction box. The motor walks the line in a jumble, and the assembly is loaded down with trivial details, and occupation space is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing lid integrated structure and motor behind kinds of motors, it walks the line neatly, and convenient assembly reduces occupation space.

The embodiment of the utility model is realized like this:

A motor rear cover integrated structure comprises a plate body and a junction box, wherein the plate body is provided with an inner surface used for being connected with a motor shell and an outer surface arranged opposite to the inner surface, the junction box is connected to the outer surface, a wire hole is formed in a projection area of the outer surface of the junction box, the plate body is provided with a mounting groove used for mounting an encoder, a through hole is formed in the bottom wall of the mounting groove, a second through hole is formed in the side wall of the mounting groove, and a through hole, the second through hole and the wire hole are used for enabling a motor three-phase wire in the motor shell.

, the junction box near the outer wall of the mounting groove forms the opening edge of the mounting groove.

, the junction box comprises a bottom plate and a side plate which are connected with each other, the bottom plate is connected with the plate body, and the part of the bottom plate, which is overlapped with the outer surface, is provided with a line hole.

, the junction box includes a wire holder connected to the bottom plate, the wire holder being surrounded by a side plate, the side plate being provided with a third through hole for passing a cable of the motor controller to extend into the junction box to connect with the wire holder.

, the opening of the mounting groove is circular, and the part of the side plate near the opening extends along the circumference of the opening.

, the wire holder includes a terminal, a second terminal and a third terminal connected to the bottom plate, the terminal, the second terminal and the third terminal are arranged at intervals along the circumference of the opening.

, the projection of the binding post, the second binding post and the third binding post on the board falls into the wire hole.

, a sealing groove and a second sealing groove which extend along the circumferential direction of the opening are formed in the mounting groove, sealing glue is arranged in the sealing groove, and a sealing ring is embedded in the second sealing groove.

, the seal groove is disposed around the second seal groove.

kinds of motors, it includes motor housing and above-mentioned motor back lid integrated configuration, and motor back lid integrated configuration installs in motor housing.

The utility model discloses beneficial effect includes:

the motor rear cover integrated structure comprises a plate body and a junction box, wherein the plate body is provided with an inner surface used for being connected with a motor shell and an outer surface arranged opposite to the inner surface, the junction box is connected to the outer surface, a wire hole is formed in a projection area of the junction box on the outer surface, the plate body is provided with a mounting groove used for mounting an encoder, the bottom wall of the mounting groove is provided with a through hole, the side wall of the mounting groove is provided with a second through hole, and a through hole, the second through hole and the wire hole are used for enabling a motor three-phase wire in the motor shell to sequentially penetrate through so as to extend into the junction box.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of an integrated structure of a rear cover of a motor according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a board body and a junction box at a th view in an th embodiment of the present invention;

fig. 3 is a second perspective view of the board body and the junction box according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third view angle of the board body and the junction box according to an embodiment of the present invention;

FIG. 5 is a schematic view of an embodiment of the present invention illustrating the assembly of the wire holder and the junction box from a view point ;

fig. 6 is a second perspective view of the wire holder and the terminal box of an embodiment of the present invention.

The icon comprises a 100-motor rear cover integrated structure, a 110-plate body, a 112-mounting groove, a 113- th mounting hole, a 114- th through hole, a 115-encoder cover plate, a 116-second through hole, a 117-annular stop table, a 118-elastic pad, a 119-second mounting hole, a 120-reinforcing rib, a 121- th sealing groove, a 122-sealing ring, a 123-second sealing groove, a 125-third mounting hole, a 130-junction box, a 132-line hole, a 133-bottom plate, a 134-wire holder, a 135-side plate, a 136-box cover, a 137-third through hole, a 139-waterproof cable connector, a 140-fourth mounting hole, a 141- th wiring post, a 142-fixing block, a 143-second wiring post, a 144-bulge, a 145-third wiring post and a 150-encoder.

Detailed Description

To further clarify the objects, features and advantages of embodiments of the present invention, a more complete description of embodiments of the present invention is now provided by reference to the drawings which form a part hereof, and it is to be understood that there is described herein a partial embodiment of rather than a complete embodiment thereof.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once a item is defined in figures, it need not be further defined and explained by in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for the purpose of describing the present invention only for convenience of description and simplification of the description, and are not intended to indicate or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention, but rather, the terms "", "second", "third", etc. are used for layer-specific description only and are not intended to indicate or imply relative importance.

In the description of the present invention, it should also be noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" shall be construed , for example, they may be fixedly connected, detachably connected, or physically connected, directly connected, indirectly connected through an intermediate medium, and communicating between two elements.

th embodiment

Referring to fig. 1, 2 and 3, the present embodiment provides motor rear cover integrated structures 100, which includes a plate body 110 and a terminal box 130, where the plate body 110 has an inner surface for connecting with a motor housing and an outer surface disposed opposite to the inner surface, the terminal box 130 is connected to the outer surface, a wire hole 132 is disposed in a projection area of the terminal box 130 on the outer surface, the plate body 110 is provided with a mounting groove 112 for mounting an encoder 150, a bottom wall of the mounting groove 112 is provided with a second through hole , a side wall of the mounting groove 112 is provided with a second through hole 116, a th through hole 114, a second through hole 116, and a wire hole 132 for allowing a motor three-phase wire in the motor housing to sequentially pass.

In this embodiment, the opening of the mounting groove 112 is circular, the mounting groove 112 is a substantially cylindrical recess, the encoder 150 is mounted in the mounting groove 112, the encoder 150 is fixed in the mounting groove 112 through the th mounting hole 113 at the bottom of the mounting groove 112 by using a screw, an elastic pad and a flat pad are arranged on the screw for buffering and stable connection, the bottom wall of the mounting groove 112 is provided with a th through hole 114, the side wall of the mounting groove 112 is provided with a second through hole 116, the th through hole 114 and the second through hole 116 are used for the three-phase wire of the power supply motor and the signal wire of the encoder 150 to sequentially pass through, in order to reduce the external wiring distance, the second through hole 116 is arranged at the side wall of the mounting groove 112 near the side of the junction box 130, and in order to.

An -th sealing groove 121 and a second sealing groove 123 extending along the circumferential direction of the opening are arranged in the mounting groove 112, sealing glue is arranged in the -th sealing groove 121, and a sealing ring is embedded in the second sealing groove 123.

Specifically, the motor rear cover integrated structure 100 includes an encoder cover plate 115, an annular stop table 117 is disposed in the mounting groove 112, the encoder cover plate 115 is connected to the annular stop table 117 to encapsulate the encoder 150 in the mounting groove 112, the annular stop table 117 protrudes inward along a radial direction of the mounting groove 112, a plurality of second mounting holes 119 are disposed on the annular stop table 117, screws are disposed on the encoder cover plate 115 and are connected to the second mounting holes 119, so that the encoder cover plate 115 is fixed to the plate body 110 to encapsulate the encoder 150 in the mounting groove 112, elastic pads and flat pads are disposed on the screws to buffer and stably connect, in order to increase the water resistance of the structure, the annular stop table 117 is provided with a sealing groove 121 and a second sealing groove 123 extending along a circumferential direction of the mounting groove 112, both the sealing groove 121 and the second sealing groove 123 are annular grooves, a sealant is disposed in the , a sealing ring 122 is embedded in the second sealing groove 123, the sealing groove is disposed at the periphery of the second sealing groove 123, so that a double sealing between the encoder cover plate 115 and the plate 110 is formed, thereby effectively improving the water resistance of the embodiment, the sealing groove is also provided, and the sealing groove 121, and the sealing groove 123 is also can be provided with multiple sealing grooves 121 or.

Referring to fig. 1 and 4, in order to facilitate the installation of the motor rear cover integrated structure 100 on the motor housing, a plurality of third installation holes 125 are formed in the edge of the plate body 110, the third installation holes 125 are arranged at intervals in the circumferential direction of the plate body 110, a cylindrical pipe is arranged on the side of the installation groove 112 away from the encoder cover plate 115, the cylindrical pipe is communicated with the through hole 114, the cylindrical pipe is used for matching with parts inside the motor, and a plurality of reinforcing ribs 120 are arranged on the side of the plate body 110 away from the opening of the installation groove 112 to improve the structural stability.

In order to make the motor rear cover integrated structure 100 as compact as possible and reduce the occupied space, the junction box 130 is adjacent to the opening of the mounting groove 112, and the junction box 130 forms a partial edge of the opening of the mounting groove 112 near the outer wall of the mounting groove 112.

Terminal box 130 includes bottom plate 133 and side plate 135 connected to each other, bottom plate 133 is connected to plate body 110, the portion of bottom plate 133 coinciding with the outer surface is provided with wire hole 132. the portion of side plate 135 near the opening extends along the circumference of the opening, so that the side side of side plate 135 close to the opening of mounting groove 112 is recessed toward the direction away from the center of mounting groove 112, forming an arc extending along the edge of the opening of mounting groove 112, so that terminal box 130 and mounting groove 112 can be as close as possible in the radial direction of mounting groove 112, thereby reducing the volume of motor rear cover integrated structure 100. terminal box 130 includes wire holder 134 connected to bottom plate 133, wire holder 134 is surrounded by side plate 135. in normal use, motor three-phase wire is inserted into mounting groove 112 through hole 114 of , then is extracted from mounting groove 112 through second through hole 116 of the side wall of mounting groove 112, while the signal wire of encoder 150 is also passed out from second through hole 116 with motor three-phase wire , finally, signal wire of motor three-phase wire and encoder 150 is inserted into motor 130 through hole 137 to control motor control cable 134, thereby providing a third through hole 135, and a third through cable connector 130, and a third through hole 135, thereby providing a signal connector 135 for controlling motor controller, and a third through cable connector 135, and a third cable connector 135, thereby providing a third connector for controlling motor controller, a stable connection terminal, wherein third connector 130 is provided for controlling motor controller, a third connector, a fourth connector, a third connector is provided for controlling motor controller, a fourth connector, a motor controller, a third connector is provided for controlling a motor controller, wherein each of motor controller.

It should be noted that, in the present embodiment, in order to improve the compactness of the structure and ensure a sufficient area of the string hole 132, the string hole 132 is adjacent to the arc-shaped portion of the side plate 135 and occupies almost the entire overlapping area of the bottom plate 133 and the plate body 110, so that the string hole 132 has a substantially fan shape, and in addition, the bottom plate 133, the side plate 135 and the plate body 110 are integrally formed, so that the portion of the plate body 110 located in the surrounding area of the side plate 135 has a hollow shape, i.e., the string hole 132.

Referring to fig. 5 and 6, the wire holder 134 includes posts 141, 143 and 145 connected to the bottom plate 133. to reduce space waste and to make reasonable use of space, the posts 141, 143 and 145 are circumferentially spaced along the opening, when the motor rear cover integrated structure 100 is mounted in the motor housing for normal use, the three phase wires of the motor and the cables of the motor controller are correspondingly connected to the posts 141, 143 and 145, thereby achieving electrical connection between the motor controller and the motor.

In order to reasonably utilize space and reduce wiring distance in , the projection of the th binding post 141, the second binding post 143 and the third binding post 145 on the board body 110 falls into the wire hole 132. specifically, the wire holder 134 comprises a fixing block 142, the fixing block 142 is fixedly connected to the bottom plate 133 through screws so as to fix the wire holder 134 in the junction box 130. three bulges 144 are arranged at the side of the fixing block 142 close to the mounting groove 112 at intervals, and the th binding post 141, the second binding post 143 and the third binding post 145 are respectively fixed to the three bulges 144. the bulges 144 are arranged to suspend the th binding post 141, the second binding post 143 and the third binding post 145 in the corresponding area of the wire hole 132, and the projection of the binding posts falls into the wire hole 132 at the moment, so that the distance of three phase lines of the motor is reduced.

The junction box 130 also includes a box cover 136 connected to the side plate 135. The cover 136 is detachably coupled to the side plate 135. The side plate 135 is provided with a plurality of fourth mounting holes 140, and the cover 136 is provided with a corresponding number of screws through which the fourth mounting holes 140 are coupled, thereby coupling the cover 136 with the side plate 135. The screw is provided with an elastic pad and a flat pad in a penetrating way so as to buffer and stably connect. In order to enhance the sealing performance between the box cover 136 and the side plate 135, a sealing ring 122 is also arranged between the box cover 136 and the side plate 135.

The working principle and the working process of the motor rear cover integrated structure 100 are as follows:

the motor rear cover integrated structure 100 is mounted on the motor housing through the plate body 110 and the third mounting hole 125 arranged on the bottom plate 133 of the junction box 130. three phase lines of the motor sequentially pass through the terminal 141, the second terminal 143 and the third terminal 145 connected in the junction box 130 from the through hole 114, the second through hole 116 and the wire hole 132. the signal line of the encoder 150 passes through the second through hole 116 and the wire hole 132 to connect the junction box 130. the cable wire of the motor controller is connected with the terminal 141, the second terminal 143 and the third terminal 145 through the waterproof cable joint 139, and the signal line of the encoder 150 is connected with the signal line of the motor controller through the cable joint at the fourth through hole, thereby realizing the electrical connection between the motor and the motor controller.

Therefore, the whole wiring is only arranged in the space occupied by the motor rear cover integrated structure 100, after the encoder cover plate 115 and the box cover 136 of the junction box 130 are installed, no obvious wiring exists outside the motor, the wiring is neat, the wire hole 132 is formed in the projection area of the junction box 130 on the outer surface, the part, close to the opening, of the side plate 135 extends along the circumferential direction of the opening, the wiring post 141, the second wiring post 143 and the third wiring post 145 are arranged at intervals along the circumferential direction of the opening, and the projections of the three terminals fall into the wire hole 132, so that the structure of the motor rear cover integrated structure 100 is very compact, the wiring distance is short, the occupied space is reduced, in addition, the plate body 110, the junction box 130 and the encoder 150 can be integrated into the body by the motor rear cover integrated structure 100, the assembly is convenient, the sealing rings 122 are arranged between the encoder cover plate 115 and the plate body 110 and between the.

The motor rear cover integrated structure 100 is provided with the th through hole 114, the second through hole 116 and the wire hole 132, so that a three-phase wire of a motor in a motor shell can penetrate through the plate body 110 and extend into the junction box 130, the wire is completely arranged in the space occupied by the motor rear cover integrated structure 100, and the wire is tidy.

Second embodiment

The present embodiment provides motors, which includes a motor housing and the motor rear cover integrated structure 100 provided in embodiment , wherein the motor rear cover integrated structure 100 is installed on the motor housing.

The motor is tidy in routing and convenient to assemble by integrating the board body 110, the junction box 130 and the encoder 150 in the body, and meanwhile, the occupied space of the motor is reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The motor rear cover integrated structure is characterized by comprising a plate body and a junction box, wherein the plate body is provided with an inner surface used for being connected with a motor shell and an outer surface arranged opposite to the inner surface, the junction box is connected to the outer surface, a wire hole is formed in a projection area of the junction box on the outer surface, the plate body is provided with a mounting groove used for mounting an encoder, a th through hole is formed in the bottom wall of the mounting groove, a second through hole is formed in the side wall of the mounting groove, and a th through hole, the second through hole and the wire hole are used for allowing a motor three-phase line in the motor shell to sequentially penetrate through so as to extend into the junction box.
2. 2. The motor rear cover integrated structure of claim 1, wherein the junction box forms a partial edge of an opening of the mounting groove near an outer wall of the mounting groove.
3. 3. The motor rear cover integrated structure according to claim 1, wherein the terminal box includes a bottom plate and a side plate connected to each other, the bottom plate is connected to the plate body, and the line hole is provided at a portion of the bottom plate coinciding with the outer surface.
4. 4. The motor rear cover integrated structure of claim 3, wherein the junction box includes a wire holder connected to the bottom plate, the wire holder being surrounded by the side plate, the side plate being provided with a third through hole for passing a cable of a motor controller to protrude into the junction box to be connected with the wire holder.
5. 5. The motor rear cover integrated structure according to claim 4, wherein the opening of the mounting groove is circular, and a portion of the side plate adjacent to the opening extends in a circumferential direction of the opening.
6. 6. The motor rear cover integrated structure of claim 5, wherein the wire holder comprises th wire terminals, a second wire terminal and a third wire terminal connected to the bottom plate, the th wire terminal, the second wire terminal and the third wire terminal are arranged at intervals along the circumferential direction of the opening.
7. 7. The motor rear cover integrated structure of claim 6, wherein the terminal, the second terminal and the third terminal are projected on the plate body to fall into the wire hole.
8. 8. The rear cover integrated structure of the motor as claimed in claim 6, wherein an -th sealing groove and a second sealing groove are formed in the mounting groove and extend along the circumferential direction of the opening, a sealant is arranged in the -th sealing groove, and a sealing ring is embedded in the second sealing groove.
9. 9. The motor rear cover integrated structure of claim 8, wherein the seal groove is disposed at a periphery of the second seal groove.
10. 10, an electric machine comprising an electric machine housing and the electric machine back cover integrated structure of any of claims 1-9, wherein the electric machine back cover integrated structure is mounted to the electric machine housing.

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