CN210866651U - Connecting structure of connector for motor controller - Google Patents

Abstract

The utility model discloses a connection structure of connector for machine controller, including casing and a set of connector, the sealing washer and the locking collar on the electric wire are located including the cover to the connector, the one end of casing is provided with a set of connector, the end of electric wire has connecting terminal, connecting terminal passes the connector set firmly in the inside of casing, the locking collar with connector looks lock, and will including the sealing washer locking, make its with connector tight fit. The utility model discloses simple structure is exquisite, and the structure of locking ring and connector looks lock makes the connector dismouting more convenient and fast, and this kind of structure occupation space is littleer for it is littleer to connect the required connection area of the connector of the same quantity, makes machine controller's structure compacter, and the volume is littleer.

Description

Connecting structure of connector for motor controller

Technical Field

The utility model relates to an electric automobile accessory technical field specifically relates to a connection structure of connector for machine controller.

Background

An electric vehicle generally uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the output of energy and change the speed and torque of the vehicle. The motor controller is an indispensable constituent element of the electric vehicle.

The motor controller is used for controlling the starting, running, advancing and retreating, speed and stopping of the motor of the electric vehicle, is a core component of the electric vehicle, and has very high requirements on the performance of related circuit elements, such as a connector. Firstly, the integration level is required to be improved so as to reduce the volume and the weight and meet the requirement of high integration of a circuit; secondly, the connection is required to be safe and reliable, and various external interference factors can be effectively resisted; and thirdly, the maintenance after the initial installation and the later maintenance are simple and easy to use. At present, a plurality of connectors have the problems of large volume, heavy weight, high cost, insecure butt joint of a plug and a socket and the like. The design of the connection structure of the motor controller is unreasonable, and the problem of overlarge volume exists when a plurality of connectors are connected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art existence, provide a connection structure of connector for machine controller.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a connection structure of connector for machine controller, includes casing and a set of connector, the sealing washer and the locking ring on the electric wire are located including the cover to the connector, the one end of casing is provided with a set of connector, the end of electric wire has connecting terminal, connecting terminal passes the connector and set firmly in the inside of casing, the locking ring with connector looks lock, and will including the sealing washer locking, make it with connector tight fit.

Preferably, a shielding ring is further arranged on the wire and between the connecting terminal and the sealing ring, and the shielding ring sequentially comprises a shielding outer sleeve ring, a shielding layer and a shielding inner sleeve ring from outside to inside.

Preferably, the locking ring has two symmetrical settings and has elastic jack catchs, the jack catch has the draw-in groove, be provided with on the connector two with draw-in groove assorted lug, the draw-in groove with lug looks lock.

Preferably, the sealing ring is provided with at least two stages of sealing grooves.

Preferably, the connecting ports are arranged in a staggered manner in a wave shape.

Preferably, the connection terminal is flat, a through hole for installing a bolt is formed in the center of the connection terminal, and the connection terminal is fixed in the housing through the bolt.

Preferably, the upper surface of casing has the window, the window is located directly over the bolt, detachably is provided with the closing cap on the window, in order to seal the window.

The beneficial effects of the utility model are mainly embodied in that:

1. simple structure is exquisite, and the structure of locking ring and connector looks lock makes the connector dismouting more convenient and fast, and this kind of structure occupation space is littleer for it is littleer to connect the required connection area of the connector of the same quantity, makes machine controller's structure compacter, and the volume is littleer.

2. The multistage sealing ring is tightly matched with the connecting port through the locking ring, so that the shell of the motor controller has good sealing performance, and the good air pressure can be ensured to meet the waterproof requirement of IP 67.

3. The connectors are arranged in a staggered way in a wavy way, so that the surface area of the shell of the motor controller can be further saved, and the volume of the motor controller is reduced.

4. The connector has a shielding ring, and the shielding ring seals the shielding layer inside through shielding outer lantern ring and shielding inner lantern ring for the shielding ring has good shielding function.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: schematic diagram of an embodiment of the present invention;

FIG. 2: schematic diagram of an embodiment of the present invention;

FIG. 3: the embodiment of the utility model provides a schematic diagram of connector;

FIG. 4: the embodiment of the utility model provides a schematic diagram of shield ring;

FIG. 5: the embodiment of the utility model provides an in the cross-sectional view of shield ring.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 5, the utility model discloses a connection structure of connector for motor controller, including casing 1 and a set of connector 2, connector 2 is including the sealing washer 21 and the locking ring 22 that the cover was located on electric wire 4, the one end of casing 1 is provided with a set of connector 11, the end of electric wire 4 has connecting terminal 3, connecting terminal 3 passes connector 11 and set firmly in the inside of casing 1, locking ring 22 with connector 11 looks lock, and will including sealing washer 21 locks, make it with connector 11 tight fit.

As shown in fig. 1 to 3, the locking ring 22 has two elastic jaws 221, which are symmetrically arranged, and two sides of the jaws 221 are provided with notches, so that the jaws 221 can deform to some extent and restore to their original shapes under the action of their own elasticity. The locking ring 22 is preferably plastic in the preferred embodiment, but other suitable materials may be used in other embodiments. The claw 221 is provided with a clamping groove 222, the connecting port 11 is provided with two protrusions 111 matched with the clamping groove 222, and the clamping groove 222 is buckled with the protrusions 111, so that the locking ring 22 is tightly matched with the outer wall of the connecting port 11. The structure that the locking ring 22 is buckled with the connecting port 11 enables the connector 2 to be assembled and disassembled more conveniently and quickly, and the structure occupies smaller space, so that the connecting area required for connecting the same number of connectors 2 is smaller, the structure of the motor controller is more compact, and the volume is smaller.

In order to further save space, the connection ports 11 are arranged in a staggered manner in a wave-like manner. Such an arrangement requires a smaller width than a generally in-line arrangement, which makes the connection port 11 more compact and thus saves the surface area of the housing of the motor controller.

As shown in fig. 3, the seal ring 21 has at least two seal grooves for enhancing the sealing performance of the seal ring 21. The sealing ring 21 enables the shell 1 to have good sealing performance and high protection level, and can ensure that the good air pressure in the shell 1 can also meet the waterproof requirement of IP 67.

In the preferred embodiment, the connection terminal 3 is made of copper, is disposed outside the core wire of the electric wire, and is pressed flat for fixation. The connecting terminal 3 has a through hole 31 for mounting a bolt 6, and the connecting terminal 3 is fixed to the inside of the housing 1 by the bolt 6.

In order to fix the bolt 6 conveniently, the upper surface of the shell 1 is provided with a window 12, and the window 12 is positioned right above the bolt 6. So that an operator or a robot can install or remove the bolt 6 through the window 12.

As shown in fig. 1, a plurality of mounting holes 13 are formed around the window 12, a step is formed on the edge of the window 12, a cover (not shown) is detachably disposed on the window 12 and is matched with the window, the cover is disposed on the window 12 and is screwed into the mounting holes 13 through screws (not shown) to seal the window 12.

As shown in fig. 3 to fig. 5, in the preferred embodiment, a shielding ring 25 is further disposed on the electric wire 4 between the connection terminal 3 and the sealing ring 21, and the shielding ring 25 includes, in order from outside to inside, a shielding outer collar 51, a shielding layer 52 and a shielding inner collar 53. In order to comply with safety regulations, the outer end face of the shielding outer collar 51 is spaced from the center of the through hole 31. In other embodiments, the connector 2 may not have the shield ring 25.

As shown in fig. 1, the housing 1 is further provided with letter marks to facilitate the operator to distinguish the purpose of the wires connected in each connector 2. In the preferred embodiment, 5 wire terminals are connected to the outside of the housing 1 and are marked with "U", "+", "V", "and" W ", respectively.

The working principle of the utility model is as follows:

first, the connection terminal 3 is inserted through the connection port 11 at the end, and the connection terminal 3 is fixed inside the housing 1 by using the bolt 6. Then, the seal ring 21 is inserted into the connection port 11, and the lock ring 22 is engaged with the connection port 11. Finally, the window 12 is sealed with a cover.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (7)

1. A connection structure of a connector for a motor controller is characterized in that: including casing (1) and a set of connector (2), sealing washer (21) and locking ring (22) on electric wire (4) are located including the cover in connector (2), the one end of casing (1) is provided with a set of connector (11), the end of electric wire (4) has connecting terminal (3), connecting terminal (3) are passed connector (11) and set firmly in the inside of casing (1), locking ring (22) with connector (11) looks lock, and will including sealing washer (21) locking, make it with connector (11) tight fit.

2. The connecting structure of a connector for a motor controller according to claim 1, wherein: on electric wire (4), connecting terminal (3) with still be provided with shielding ring (25) between sealing washer (21), shielding ring (25) from outer to interior lantern ring (51), shielding layer (52) and shielding interior lantern ring (53) of including in proper order.

3. The connecting structure of a connector for a motor controller according to claim 1, wherein: the locking ring (22) is provided with two symmetrical elastic clamping jaws (221), clamping grooves (222) are formed in the clamping jaws (221), two protruding blocks (111) matched with the clamping grooves (222) are arranged on the connecting port (11), and the clamping grooves (222) are buckled with the protruding blocks (111).

4. The connecting structure of a connector for a motor controller according to claim 1, wherein: the sealing ring (21) is provided with at least two stages of sealing grooves.

5. The connecting structure of a connector for a motor controller according to claim 1, wherein: the connecting ports (11) are arranged in a staggered manner in a wavy manner.

6. The connecting structure of a connector for a motor controller according to claim 1, wherein: the connecting terminal (3) is flat, a through hole (31) for installing a bolt (6) is formed in the center of the connecting terminal, and the connecting terminal (3) is fixed in the shell (1) through the bolt (6).

7. The connecting structure of a connector for a motor controller according to claim 6, wherein: the upper surface of casing (1) has window (12), window (12) are located directly over bolt (6), detachably is provided with the closing cap on window (12), in order to seal window (12).

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