CN210607748U

CN210607748U - Wire-to-board connector

Info

Publication number: CN210607748U
Application number: CN201922109138.6U
Authority: CN
Inventors: 宋涛; 刘琨; 张国栋; 王开德; 张镇亮; 严航
Original assignee: Huawei Technologies Co Ltd; Dongguan Xuntao Electronic Co Ltd
Current assignee: Huawei Technologies Co Ltd; Dongguan Xuntao Electronic Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-05-22
Anticipated expiration: 2029-11-29

Abstract

The application discloses wire to board connector includes first apron, first installation component, second apron. The first mounting assembly is mounted on the first cover plate and comprises a plurality of terminal bases and a plurality of first embedding grooves, the terminal bases are arranged at the bottom of the first mounting assembly in parallel, each terminal base is provided with a group of terminal groups, so that the terminal groups are partially covered and can be respectively and independently isolated to form independent spaces, the second mounting assembly is mounted on the first mounting assembly and comprises a plurality of second embedding grooves, the second embedding grooves correspond to the first embedding grooves, each first embedding groove and each second embedding groove contain a wire harness together, the wire harness is electrically connected with the terminal groups at the corresponding positions, the second cover plate is mounted on the second mounting assembly, so that the first mounting assembly is mounted, the second mounting assembly is arranged between the first cover plate and the second cover plate, so that the optimized performance of the wire-to-board connector is achieved.

Description

Wire-to-board connector

Technical Field

The application relates to the technical field of high-speed connectors, in particular to a wire-to-board connector.

Background

Accordingly, electrical connectors are widely used in various electronic devices, and various forms of electrical connectors are required depending on application objects, frequencies, power, application environments, and the like, and thus, the forms and structures of the electrical connectors are varied. In the three industries of automobiles, communication equipment, and consumer electronics, the demands for components and parts increasingly require miniaturization, high speed, and interference resistance, including interference generated by high-speed transmission, such as common electromagnetic interference between a cable end and a system end, e.g., a PCB, and causes of electromagnetic interference between a wire and a ground.

Specifically, the wire-to-board connector mainly functions to connect a wire harness to a Printed Circuit Board (PCB) through a terminal, thereby achieving connection between circuits, and a conventional wire-to-board connector has a structure including a housing, a wire terminal, and an insulator, and the structure is not strong enough to be easily damaged in an operation process, so that how to electrically connect the wire-to-board connector to the PCB more efficiently and reliably is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a wire-to-board connector to solve the problems that the structural strength of the existing wire-to-board connector is insufficient, the signal transmission performance cannot be optimized and the like.

In order to solve the technical problem, the present application is implemented as follows:

a wire-to-board connector is provided, including a first cover plate, a first mounting assembly, a second mounting assembly, and a second cover plate. The first mounting assembly is mounted on the first cover plate and comprises a plurality of terminal bases and a plurality of first embedding grooves, the terminal bases are arranged at the bottom of the first mounting assembly in parallel, and each terminal base is provided with a group of terminal groups. The second mounting assembly is mounted on the first mounting assembly and comprises a plurality of second embedding grooves, the second embedding grooves correspond to the first embedding grooves in position, each first embedding groove and each second embedding groove contain a wiring harness together, and the wiring harness is electrically connected with a terminal group in the corresponding position; the second cover plate is arranged on the first mounting assembly, so that the first mounting assembly and the second mounting assembly are arranged between the first cover plate and the second cover plate.

In the embodiment of the application, the first mounting component and the second mounting component are made of insulating materials, the first mounting component is used for arranging a plurality of groups of terminal groups, the first mounting component and the second mounting component jointly accommodate a plurality of wiring harnesses, the wiring harnesses are connected to the plurality of groups of terminal groups through a welding mode to form electrical connection, after each wiring harness is connected with each group of terminal groups with corresponding electrical property, independent spaces can be formed in an isolated mode, and finally the first mounting component and the second mounting component are arranged between the first cover plate and the second cover plate, so that the structural strength can be improved, the interference of signals can be avoided, and the problems that the existing structure is easy to damage, the performance is poor and the like can be solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a perspective view of the present application;

FIG. 2 is an exploded perspective view of FIG. 1;

FIG. 3 is an exploded perspective view from another perspective of FIG. 1;

fig. 4 is a schematic view of the terminal base assembly terminal of the present application;

FIG. 5 is an enlarged partial view of a first mounting assembly of the present application;

fig. 6 is a schematic view of the connection of the terminal to the wire harness.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The application aims to solve the problems of insufficient structural strength and poor performance of the conventional wire-to-board connector, and therefore the comprehensive design improvement is performed on the structural strength, the assembly efficiency and the signal transmission performance of the wire-to-board connector. First, all components and combinations thereof of the present application will be described. Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a perspective view of the present application; FIG. 2 is an exploded perspective view of FIG. 1; fig. 3 is an exploded perspective view from another perspective of fig. 1. The wire-to-board connector includes a first cover plate 10, a first mounting assembly 12, a second mounting assembly 14, a second cover plate 16; the assembly sequence is that the first mounting component 12 is mounted on the first cover plate 10, the second mounting component 14 is mounted on the first mounting component 12, and the second cover plate 16 is mounted on the first mounting component 12, so that the first mounting component 12 and the second mounting component 14 are disposed between the first cover plate 10 and the second cover plate 16, which will be described in detail later.

The first cover plate 10 includes a plurality of symmetrical latches 102, a plurality of first fixing holes 104, a plurality of first positioning portions 106, and a plurality of spring plate sets 108. The plurality of first fixing holes 104 are located below each symmetrical tenon 102, each first positioning portion 106 is located between each symmetrical tenon 102 and each first fixing hole 104, an opening 105 is formed between two adjacent symmetrical tenons 102, each spring sheet group 108 is disposed in one opening 105, and preferably, the spring sheet group 108 is two elastic sheets with guiding angles.

The first mounting assembly 12 includes a plurality of terminal bases 18 and a plurality of first fitting grooves 20, the plurality of terminal bases 18 are disposed in parallel at the bottom of the first mounting assembly 12, and each terminal base 18 has a set of terminal sets 22 disposed therein. Preferably, the first mounting assembly 12 further includes a plurality of symmetrical engaging holes 202, a plurality of first fixing blocks 204, a plurality of first limiting holes 206, a plurality of through holes 207, a plurality of second fixing blocks 208, an engaging opening 209 and two engaging blocks 24; the symmetrical engaging holes 202 are disposed on two sides of the first engaging groove 20, the first fixing blocks 204 are disposed on one side of the first mounting component 12, the second fixing blocks 208 are disposed on the other side of the first mounting component 12, and the first fixing blocks 204 and the second fixing blocks 208 are disposed on corresponding positions of opposite surfaces. Each first limiting hole 206 is located between each through hole 207 and each first fixing block 204, the engaging opening 209 is located below the space between two adjacent symmetrical engaging holes 202, and the two engaging blocks 24 are disposed on two sides of the first mounting assembly 12.

The second mounting assembly 14 includes a plurality of second engaging grooves 26, the plurality of second engaging grooves 26 correspond to the positions of the plurality of first engaging grooves 20, each of the first engaging grooves 20 and each of the second engaging grooves 26 accommodate one wire harness 28, and the first engaging grooves 20 and the second engaging grooves 26 are designed to match the shape of the wire harness 28, so that the plurality of first engaging grooves 20 and the plurality of second engaging grooves 26 are matched, for example, the first engaging grooves 20 and the second engaging grooves 26 are semi-arc grooves, so that when the two first engaging grooves 20 and the second engaging grooves 26 are mounted, an engaging groove with a ring surface wall is formed, the engaging groove can cover a partial wire harness segment of the wire harness 28, the wire harness 28 is electrically connected to the terminal group 22 at the corresponding position, and the assembly method will be described in detail. Preferably, the second mounting assembly 14 further includes a plurality of second limiting portions 142, a plurality of first positioning grooves 144 and a plurality of second positioning grooves 146; each second limiting portion 142 is located below each second engaging groove 26, opposite side surfaces above each second limiting portion 142 are respectively provided with a first positioning groove 144 and a second positioning groove 146, and each first positioning groove 144 and each second engaging groove 26 for receiving an end surface of the wire harness 28 are arranged on the same side.

The second cover plate 16 further has a plurality of second positioning portions 162 and a plurality of second fixing holes 164, each second fixing hole 164 is correspondingly disposed below one second positioning portion 162, and two side edges of the second cover plate 16 further include engaging openings 30.

During assembly, the first mounting assembly 12 is mounted on the first cover plate 10, specifically, each of the symmetrical tenons 102 is correspondingly clamped into the symmetrical clamping holes 202 for fixing, so that the first mounting assembly 12 is mounted on the first cover plate 10; meanwhile, the first fixing holes 104 of the first cover plate 10 are located below each symmetrical tenon 102, and the first fixing blocks 204 of the first mounting assembly 12 are matched with the first fixing holes 104 in structure and position, and the first fixing blocks 204 are correspondingly clamped into the first fixing holes 104 for fixing; the plurality of elastic pieces 108 on the first cover plate 10 are used for being clamped into the engaging opening 209 of the first mounting assembly 12 and abutting against the inner edge of the engaging opening 209, so that the first cover plate 10 and the first mounting assembly 12 can be assembled more stably by a clamping and matching fixing manner. Then, the second mounting assembly 14 is mounted on the first mounting assembly 12, in detail, the plurality of second positioning portions 142 of the second mounting assembly 14 are correspondingly engaged with the plurality of first positioning holes 206 for fixing, and the plurality of first positioning portions 106 correspondingly pass through the plurality of through holes 207 on the first mounting assembly 12 to the plurality of first positioning grooves 144 on the second mounting assembly 14, so that the second mounting assembly 14 can be mounted on the first mounting assembly 12. When the second mounting component 14 is mounted on the first mounting component 12, each of the first engagement grooves 20 and each of the second engagement grooves 26 form an engagement groove having an annular wall, which covers a partial wire harness segment of the wire harness 28. Then, the second cover 16 is mounted on the second mounting assembly 14, and each of the second positioning portions 162 of the second cover 16 is correspondingly engaged with each of the second positioning grooves 146 for fixing, so that the assembly can be more stably and precisely positioned and assembled. It should be noted that, since the plurality of first limiting holes 206 of the first mounting assembly 12 are located above the plurality of first fixing blocks 204, after the plurality of second limiting portions 142 of the second mounting assembly 14 are correspondingly engaged with the plurality of first limiting holes 206 for fixing, the plurality of first fixing blocks 204 and the terminal base 18 are exposed, and therefore, when the second cover plate 16 is finally assembled, each of the second fixing blocks 208 of the first mounting assembly 12 is correspondingly engaged with each of the second fixing holes 164 of the second cover plate 16; in addition, the engaging openings 30 on the two sides of the second cover plate 16 are respectively engaged with the two engaging blocks 24 on the two sides of the first mounting assembly 12, so that each engaging block 24 is inserted into each engaging opening 30 for engaging and fixing, and the second mounting assembly 14 can be fixed between the first mounting assembly 12 and the second cover plate 16, thereby improving the stability. Finally, the two fixing methods of the first cover plate 10 and the second cover plate 16 may use a spot welding method, and the method is not limited to the fixing method, and any wire-to-board connector formed by combining the four first cover plate 10, the first mounting assembly 12, the second mounting assembly 14, and the second cover plate 16 in the present application is included in the protection of the present application.

It should be noted that the first mounting assembly 12 and the second mounting assembly 14 are made of insulating materials, and are used to arrange the plurality of wire harnesses 28 and the plurality of sets of terminal sets 22 at desired positions and intervals and ensure the insulating performance between the wire harnesses 28 and the plurality of sets of terminal sets 22 and the first cover plate 10 and the second cover plate 16, so that the first mounting assembly 12 and the second mounting assembly 14 are made of insulating materials with good insulating resistance and voltage resistance. The first and

second covers

10, 16 are designed in a lead angle fashion to ensure a reliable mechanical and electrical connection, thereby reducing mechanical stress on the individual wire harnesses 28 and the respective sets of terminal sets 22, and lead angle lead-ins and polarization prevent contact damage and provide a reliable connection. The material of the first cover plate 10 and the second cover plate 16 may be a metal material, such as iron, copper, or stainless steel.

Please refer to fig. 4, which is a schematic diagram of the terminal base assembly terminal of the present application, wherein the plurality of terminal bases 18 are conductive bases, and may be made of conductive plastic materials or metal materials, and the material of the conductive bases is not limited herein. Each terminal base 18 includes at least one first through hole 182 and two second through holes 183, in this embodiment, each terminal set 22 is a set of four terminals disposed below each first engaging groove 20, as shown in fig. 3, wherein two terminals, namely the terminal 22a and the terminal 22b, are inserted into the first through hole 182 of one terminal base 18, that is, the terminal head 222a of the terminal 22a and the terminal head 222b of the terminal 22b are inserted into the first through hole 182 and do not contact the body of the terminal base 18, so that there is no electrical connection problem. On the contrary, the other two terminals, namely the terminal 22c and the terminal 22d, are respectively inserted into the two second through holes 183 of the terminal base 18, the two second through holes 183 are located at two sides of the first through hole 182, and the terminal 22c and the terminal 22d are in contact with the terminal base 18 to form an electrical connection, that is, the terminal head 222c of the terminal 22c and the terminal head 222d of the terminal 22d are respectively inserted into the two second through holes 183. As shown in fig. 5, which is a partial enlarged view of the first mounting assembly of the present application, the first mounting assembly 12 is made of an insulating material, each set of the terminal sets 22 is disposed below each first engaging groove 20, and a partial area of each set of the terminal sets 22 including the terminal 22a, the terminal 22b, the terminal 22c, and the terminal 22d is disposed in the first limiting hole 206, in detail, the terminal 22a and the terminal 22b are disposed and fixed at a middle position of the first limiting hole 206, partial areas of the terminal 22c and the terminal 22d are disposed at two sides of the first limiting hole 206, partial areas of the terminal 22a, the terminal 22b, the terminal 22c, and the terminal 22d are covered and fixed below the first limiting hole 206 of the first mounting assembly 12, and outer sides of the terminal 22c and the terminal 22d are not covered and exposed by the first mounting assembly 12, the terminal 22c and the terminal 22d contact the first cover 10 through the uncovered exposed area, The second cover plate 16 is electrically conductive and grounded, the first cover plate 10 and the second cover plate 16 have press-pressed recesses corresponding to the outer sides of the

terminals

22c and 22d, and the ground terminals inside the

terminals

22c and 22d are grounded through the terminal base 18, that is, the terminals are grounded through the terminal base 18 and the first cover plate 10 and the second cover plate 16. Alternatively, the grounding ends inside the

terminals

22c and 22d are grounded without contacting the terminal base 18, but are grounded by a dielectric material.

As described above, fig. 6 is a schematic diagram of the connection between the terminal and the wire harness, and in the embodiment, the electrical connection between the terminal set 22 and the wire harness 28 is described. Each wire harness 28 is electrically connected to each set of terminal set 22 at the corresponding position, the wire harness 28 further includes two differential signal lines 282 and two ground lines 284, the

terminals

22a and 22b are correspondingly electrically connected to the two differential signal lines 282, for example, the two

terminals

22a and 22b are connected to the two differential signal lines 282 by welding, the

terminal heads

222a and 222b of the two

terminals

22a and 22b are used for transmitting differential signals, and the two

terminals

22a and 22b are not in contact with the terminal base 18, so that the signal short-circuit problem is not caused; the

terminals

22c and 22d are electrically connected to two ground wires 284, for example, the two

terminals

22c and 22d are connected to the two ground wires 284 by soldering, and the

terminal heads

222c and 222d of the two

terminals

22c and 22d are contacted to the terminal base 18 and can be conductively grounded through the terminal base 18.

To sum up, the wire to board connector of this application will solve the not enough and poor problem of transmission performance of structural strength that the component that current shell, line terminal, insulator are constituteed, see through this application will have insulating nature and have the first installation component of interval arrangement design and set up multiunit terminal group, the second installation component that has insulating nature and have interval arrangement design sets up a plurality of pencil, with each pencil and corresponding electric connection's multiunit terminal group, can keep apart separately and form independent space, make first installation component at last, the second installation component sets up between first apron and the second apron, thereby reach wire to board connector optimization performance.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A wire-to-board connector, comprising:

a first cover plate;

the first mounting assembly is mounted on the first cover plate and comprises a plurality of terminal bases and a plurality of first embedding grooves, the plurality of terminal bases are arranged at the bottom of the first mounting assembly in parallel, and each terminal base is provided with a group of terminal groups;

the second mounting assembly is mounted on the first mounting assembly and comprises a plurality of second embedding grooves, the second embedding grooves correspond to the first embedding grooves in position, each first embedding groove and each second embedding groove contain a wiring harness together, and the wiring harness is electrically connected with the terminal group in the corresponding position;

and the second cover plate is arranged on the first mounting assembly, so that the first mounting assembly and the second mounting assembly are arranged between the first cover plate and the second cover plate.

2. The wire-to-board connector according to claim 1, wherein a plurality of the first fitting grooves are matched with a plurality of the second fitting grooves, and the plurality of the second fitting grooves are formed with fitting grooves having an annular wall after being mounted in correspondence with the plurality of the first fitting grooves.

3. The wire-to-board connector according to claim 1, wherein the first cover plate further includes a plurality of symmetrical engaging tongues, the first mounting assembly further includes a plurality of symmetrical engaging holes, the symmetrical engaging holes are disposed on two sides of the first engaging groove, and the symmetrical engaging tongues are correspondingly engaged with the symmetrical engaging holes for fixation.

4. The wire-to-board connector according to claim 1, wherein the first cover plate further includes a plurality of first fixing holes, the first mounting assembly further includes a plurality of first fixing blocks, the plurality of first fixing blocks are disposed on a side surface of the first mounting assembly, and the plurality of first fixing blocks are correspondingly engaged with the plurality of first fixing holes for fixing.

5. The wire-to-board connector according to claim 4, wherein the first mounting assembly further includes a plurality of second fixing blocks and a plurality of limiting holes, the plurality of second fixing blocks are disposed on the other side surface of the first mounting assembly, and the plurality of second fixing blocks and the plurality of first fixing blocks are disposed at corresponding positions on the opposite surface, the second mounting assembly further includes a plurality of limiting portions, and the plurality of limiting portions are correspondingly engaged with the plurality of limiting holes for fixing.

6. The wire-to-board connector according to claim 5, wherein the first cover further includes a plurality of first positioning portions, the second cover further includes a plurality of second positioning portions and a plurality of second fixing holes, opposite sides of each of the positioning portions further include a first positioning groove and a second positioning groove, each of the first positioning portions is correspondingly disposed in the first positioning groove and is fixedly positioned, and each of the second positioning portions is correspondingly disposed in the second positioning groove and is fixedly positioned.

7. The wire-to-board connector according to claim 1, wherein the two sides of the second cover plate further include engaging openings, the two sides of the first mounting assembly further include engaging blocks, and the engaging blocks engage the engaging openings to fix the second cover plate to the first mounting assembly.

8. The wire-to-board connector of claim 1, wherein the first cover plate further comprises a plurality of spring pieces, and the spring pieces are used for being clamped into the embedding opening of the first mounting assembly and abutting against the inner edge of the embedding opening.

9. The wire-to-board connector according to claim 1, wherein the plurality of terminal bases are conductive bases, the number of terminals in each terminal group is four, the terminal base is provided with a through hole, two of the terminals are inserted into the through hole of one of the terminal bases and do not contact the terminal base, and the other two terminals are inserted into the through hole of the terminal base and contact the terminal base to form an electrical connection.

10. The wire-to-board connector according to claim 9, wherein the wire harness further includes two differential signal wires electrically connecting two of the terminals inserted in the through holes of one of the terminal bases and two ground wires electrically connecting the other two of the terminals inserted in the through holes of the terminal base.