CN220400931U - Electrical appliance connector - Google Patents

Abstract

The utility model provides an electrical connector, which comprises a port, a metal terminal arranged on the port, and a circuit board, wherein the circuit board is fixed on a fixing piece, the fixing piece comprises a first supporting part, a second supporting part protruding out of the first supporting part is arranged in the middle of the first supporting part, the metal terminal comprises a first metal terminal and a second metal terminal, the circuit board comprises a first circuit board and a second circuit board, the first metal terminal penetrates through the first supporting part to be connected with the first circuit board, and the second metal terminal penetrates through the second supporting part to be connected with the second circuit board. The utility model has the advantages of simple and reliable structure, low production cost and high assembly efficiency, can realize that the same connector is connected with two PCBs simultaneously, and simultaneously reduces the interference of high and low voltage signals.

Description

Electrical appliance connector

Technical Field

The utility model belongs to the technical field of electrical equipment, and particularly relates to an electrical connector.

Background

Along with the continuous updating iteration of the electric automobile technology, new energy automobiles are gradually commercially available in markets, and the electric automobiles are the dominant force armies of the new energy automobiles. Batteries, motor controllers, OBCs and PDUs (power distribution function boxes) are key components of electric vehicles, and are also new high-voltage components. The important devices are connected with each other through connectors.

The application modes of the connector are generally divided into two types:

one is that the connector is fixed to the housing of the device by screws, the cable is connected to the connector by crimping to the metal terminals at the tail of the connector, the cable tail is connected with the PCB by the OT terminals or the low-voltage signal connector; alternatively, the connector is screwed to the housing and the metal terminals on the tail of the connector are soldered to the PCB.

Firstly, through cable connection, the cable is required to be crimped to a metal terminal and then connected with a connector, and then the cable is connected with a low-voltage signal and a PCB through an OT terminal, so that the process is complicated, manual operation is required, and the machine automation cannot be realized;

the second mode can solve the defects of the first mode and realize automation, but the current type is realized by welding on the same PCB, the function is single, and the application function of the multilayer circuit board is not realized.

Disclosure of Invention

The utility model mainly aims to provide an electric appliance connector which is convenient for connecting a plurality of layers of circuit boards.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an electrical connector, includes the port, sets up metal terminal on the port, still includes the circuit board, the circuit board is fixed on the mounting, the mounting includes first supporting part, first supporting part middle part is provided with the protrusion first supporting part's second supporting part, metal terminal includes first metal terminal and second metal terminal, the circuit board includes first circuit board and second circuit board, first metal terminal passes first supporting part connects first circuit board, second metal terminal passes second supporting part connects the second circuit board.

In some embodiments, the second support portion supports the second circuit board after passing through the first circuit board.

In some embodiments, the first metal terminal is two on either side of the second metal terminal.

In some embodiments, the device further comprises a metal shielding layer arranged in the port, the metal shielding layer is a cylinder, the inner wall of the cylinder is provided with inwards-warped barbs, and the port is internally provided with clamping grooves for clamping the barbs.

In some embodiments, a fixing bracket is fixed at the inner end of the port, and the clamping groove is arranged on the fixing bracket.

In some embodiments, the end of the cylinder is provided with an elastic chuck which bends outwards, and the fixing support is provided with a bayonet into which the elastic chuck is clamped.

In certain embodiments, the device further comprises a fixed end plate detachably connected to the port end, and a sealing ring is arranged between the fixed end plate and the port end.

In some embodiments, the end of the port is provided with a fool-proof column, and the fixed end plate is provided with an insertion hole corresponding to the fool-proof column.

In some embodiments, the metal terminals have a bend toward one side such that the face of the circuit board is oriented perpendicular to the port orientation.

In certain embodiments, the port comprises a plastic housing, the plastic housing and the metal terminals being injection molded together by injection molding.

Compared with the prior art, the electrical connector has the following advantages:

the tail of the metal terminal is connected with the PCB in a welding mode, and the OT terminal and the low-voltage connector are not required to be connected with the PCB in a pressing mode through the tail of the wire harness in a traditional mode. The OT terminal, the screw and the low-voltage signal connector are reduced, and meanwhile, related assembly steps are also reduced, so that the efficiency is greatly improved, and the cost is reduced; the welding mode is stable and consistent higher than the mode of screw fixation and connector connection, and the stability of the connector is improved. The connector has the advantages of simple and reliable structure, low production cost and high assembly efficiency, can realize that the same connector is connected with two PCBs simultaneously, and simultaneously reduces the interference of high-low voltage signals.

Drawings

In the drawings, like reference numerals may describe similar components in different views in order to facilitate an understanding of the principles thereof and which are not necessarily drawn to scale. The drawings illustrate generally, by way of example and not limitation, embodiments discussed herein.

Fig. 1 is a schematic view of the connector after assembly.

Fig. 2 is an exploded schematic view of the connector.

Fig. 3 is a schematic view of a stationary bracket.

Fig. 4 is a schematic view of a metallic shielding layer.

In the figure, 1, port; 2. a first metal terminal; 3. a second metal terminal; 4. a first support portion; 401. a second supporting part; 5. a first circuit board; 6. a second circuit board; 7. a cylinder; 701. a barb; 702. an elastic chuck; 8. a fixed bracket; 801. a clamping groove; 802. a bayonet; 804. bolt holes; 803. fool-proof column; 9. a bolt; 10. fixing the end plate; 11. and (3) a sealing ring.

Detailed Description

The following are specific examples of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these examples, and the following embodiments do not limit the utility models according to the claims. Furthermore, all combinations of features described in the embodiments are not necessarily essential to the inventive solution.

It will be appreciated by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are descriptive of the drawings to aid the reader in understanding, and do not represent (e.g., positional, azimuthal, use, etc.) limitations on the scope of the utility model defined by the appended claims. Additionally, some ambiguous terms (e.g., substantially, certain, generally, etc.) may refer to slight imprecision or slight deviation of conditions, amounts, values, or dimensions, etc., some of which are within manufacturing tolerances or tolerances.

Examples

As shown in fig. 1, 2, 3 and 4, an electrical connector comprises a port 1 for connecting with other electrical components, and a metal terminal for conducting electricity, wherein the metal terminal comprises a first metal terminal 2 and a second metal terminal 3, one of which is a power metal terminal, and the other of which is a signal metal terminal, and the metal terminal is arranged on the port 1.

Still include the circuit board, the circuit board is fixed on the mounting, the mounting includes first supporting part 4, first supporting part 4 middle part is provided with the protrusion first supporting part 4's second supporting part 401, the circuit board includes first circuit board 5 and second circuit board 6, and first metal terminal 2 passes first supporting part 4 connects first circuit board 5, and second metal terminal 3 passes second supporting part 401 connects second circuit board 6. The first support portion 4 is a rectangular plate body, and the second support portion 401 is a bar-shaped body.

The port 1 is a plastic housing, and the plastic housing and the metal terminal are injection-molded together in an injection molding mode.

The second supporting portion 401 passes through the first circuit board 5 and then supports the second circuit board 6, that is, a hole through which the second supporting portion 401 passes is provided in the first circuit board 5.

The number of the first metal terminals 2 is two at two sides of the second metal terminals 3, specifically, two groups are arranged at each side, and two groups are arranged at each side. The metal terminals have a bending towards one side, so that the surface of the circuit board faces towards the direction perpendicular to the direction of the port 1, and the first metal terminals 2 and the second metal terminals 3 in this embodiment are both bent twice.

The port 1 is internally provided with a metal shielding layer, the metal shielding layer is a cylinder 7, the inner wall of the cylinder 7 is provided with an inwards-warped barb 701, the port 1 is internally provided with a clamping groove 801 for clamping the barb 701, and when the cylinder 7 is inserted into the port 1, the barb 701 is clamped into the clamping groove 801 to realize fixation. A plate-shaped fixing bracket 8 is fixed at the inner end part of the port 1, and the clamping groove 801 is arranged on the fixing bracket 8.

The two side edges of the end part of the cylinder 7 are provided with two elastic chucks 702 which are bent outwards, the edges of the fixed support 8 are provided with bayonets 802 into which the elastic chucks 702 are clamped, and the bayonets 802 on each side are also two.

Still include fixed end plate 10, fixed end plate 10 with port 1 tip is dismantled and is connected, fixed end plate 10 with fixed bolster 8 four corners is provided with the bolt hole 804 of bolt 9, realizes through bolt 9 fixed end plate 10's is fixed, fixed end plate 10 with be provided with sealing ring 11 between the port 1 tip to improve the leakproofness.

The end of the port 1 is provided with a fool-proof column 803, the fixed end plate 10 is provided with an insertion hole corresponding to the fool-proof column 803, the fool-proof column 803 is a column asymmetrically arranged at the end of the port 1, and the fixed end plate 10 and the end of the port 1 are prevented from being assembled in reverse fashion.

Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and the drawings may be any order as long as the order is not particularly limited, and the output of the preceding process is not used in the following process. The use of similar ordinal terms (e.g., "first," "then," "second," "again," "then," etc.) for convenience of description does not necessarily imply that they are necessarily performed in such order.

It will be appreciated by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are descriptive of the drawings to aid the reader in understanding, and do not denote (e.g., position, orientation, use, etc.) limitation of the scope of the utility model defined by the appended claims, only for convenience of description and simplicity of description, and unless otherwise indicated, these orientation terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, the orientation terms "inside, outside" referring to the inside and outside of the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Additionally, some ambiguous terms (e.g., substantially, certain, generally, etc.) may refer to slight imprecision or slight deviation of conditions, amounts, values, or dimensions, etc., some of which are within manufacturing tolerances or tolerances. It should be noted that, the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, so they should not be construed as limiting the scope of the present application.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. An electrical connector, including a port (1) and a metal terminal provided on the port (1), characterized in that it also includes a circuit board, the circuit board is fixed on a fixing member, and the fixing member It includes a first support part (4), a second support part (401) protruding from the first support part (4) is provided in the middle of the first support part (4), and the metal terminal includes a first metal terminal (2) and a second metal terminal (3), the circuit board includes a first circuit board (5) and a second circuit board (6), the first metal terminal (2) passes through the first support part (4) Connect the first circuit board (5), and the second metal terminal (3) passes through the second support part (401) and connects to the second circuit board (6). 2. The electrical connector according to claim 1, wherein the second support portion (401) passes through the first circuit board (5) and then supports the second circuit board (6). 3. The electrical connector according to claim 1, characterized in that the first metal terminals (2) are two located on both sides of the second metal terminal (3). 4. The electrical connector according to claim 1, further comprising a metal shielding layer disposed in the port (1), the metal shielding layer being a cylinder (7), the cylinder (7) The inner wall is provided with inwardly warped barbs (701), and the port (1) is provided with a slot (801) for locking the barbs (701). 5. The electrical connector according to claim 4, characterized in that a fixing bracket (8) is fixed at the inner end of the port (1), and the slot (801) is provided on the fixing bracket (8) superior. 6. The electrical connector according to claim 5, characterized in that the end of the barrel (7) is provided with an outwardly bent elastic clamp (702), and the fixing bracket (8) is provided with a certain The elastic chuck (702) is inserted into the bayonet (802). 7. The electrical connector according to claim 1, further comprising a fixed end plate (10), the fixed end plate (10) being detachably connected to the end of the port (1), the fixed end plate (10) being detachably connected to the end of the port (1). A sealing ring (11) is provided between the end plate (10) and the end of the port (1). 8. The electrical connector according to claim 7, characterized in that the end of the port (1) is provided with an anti-fool post (803), and the fixed end plate (10) is provided with an anti-fool post (803). The corresponding insertion hole of the column (803). 9. The electrical connector according to claim 1, wherein the metal terminal has a bend toward one side, so that the surface of the circuit board is perpendicular to the direction of the port (1). 10. The electrical connector according to claim 1, wherein the port (1) includes a plastic shell, and the plastic shell and the metal terminal are injection molded together.