CN111129878A

CN111129878A - Electric connector

Info

Publication number: CN111129878A
Application number: CN202010028056.3A
Authority: CN
Inventors: 王从中; 张作兵
Original assignee: SHENZHEN GLGNET ELECTRONICS CO Ltd
Current assignee: SHENZHEN GLGNET ELECTRONICS CO Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-05-08

Abstract

The invention relates to the technical field of electronic products, and discloses an electric connector which comprises an insulating body, a conductive assembly module arranged in the insulating body, a filtering module, side plates arranged at two sides of the insulating body and an outer shell, wherein a flat plate extends backwards from the upper wall surface of the insulating body, the flat plate and the side plates assembled at two sides of the insulating body form an open accommodating space for accommodating the conductive assembly module, the conductive assembly module is internally provided with a middle shielding plate, the filtering module is respectively connected and arranged at two sides of the middle shielding plate, the front side of the middle shielding plate is fixedly connected with a front shielding plate, and the rear side of the middle shielding plate is connected to the outer shell to form a front-middle-rear inside-outside omnibearing shielding effect, thereby effectively eliminating peripheral signal interference and improving the quality transmission of telecommunication signals; the open accommodating space is formed, so that the conductive assembly module is convenient to assemble in the insulating body, and the assembly efficiency of the product is improved.

Description

Electric connector

Technical Field

The present invention relates to the field of electronic products, and more particularly, to an electrical connector for improving the transmission and assembly of telecommunication signals.

Background

The electrical connector is a connecting bridge which performs electrical connection and signal transmission between devices, assemblies and modules, and systems and is a necessary basic element for forming a complete system.

Please refer to the chinese patent No. CN203800242U, which discloses an electrical connector, wherein the electrical connector only has an external shielding shell to eliminate surrounding noise, and there is no shielding structure inside the electrical connector itself, so that the signal transmission quality is still affected in case of serious signal interference; in addition, the electric connector combines the upper terminal module, the lower terminal module, the first second circuit board, the pin terminal module and the light guide element module on the intermediate carrier to form a conductive module and then assembles the conductive module in the insulating body, because the original side wall surfaces on two sides of the insulating body limit the transverse width, the conductive module formed in addition has larger volume, the original side wall surfaces of the insulating body are required to be outwards propped open for convenient assembly in assembly, or the assembly is forcibly pushed into an installation cavity behind the insulating body, the electric connector needs special care in manual assembly, otherwise the insulating body is easy to damage, and the efficiency is low.

Therefore, in view of the above-mentioned disadvantages of the electrical connector, there is a need for an improved electrical connector.

Disclosure of Invention

In order to solve the technical problems, the invention provides an electric connector which has high-quality signal transmission and is more convenient and faster to assemble.

The technical scheme adopted by the invention is as follows: the utility model provides an electric connector, including insulator, install electrically conductive equipment module, filter module in insulator, install in curb plate and the shell body of insulator both sides, insulator upper wall backward extension has a flat board, and this flat board constitutes the open accommodating space of electrically conductive equipment module holding with the curb plate of equipment in insulator both sides, electrically conductive equipment module has middle shielding piece and preceding shielding piece, the shielding piece both sides in the middle of the filter module connection sets up respectively, preceding shielding piece is connected in middle shielding piece front side, and its this middle shielding piece rear side is connected on the shell body to the inside and outside all-round shielding structure in back in the front of forming.

Furthermore, in the above technical solution, the middle shielding plate has a thin carrier, a plurality of pins are protruded from the bottom edge of the carrier, the front shielding plate is connected to the edge of the front bottom end of the carrier, a positioning pin is extended upward from the rear side of the upper edge of the carrier, and a clamping piece perpendicular to the positioning pin is extended rearward from the upper edge of the rear side of the carrier.

Furthermore, in the above technical solution, the conductive assembly module further includes a first circuit board, a second circuit board, a first terminal module and a second terminal module mounted on the first circuit board, and a board terminal base, the second circuit board is assembled on the board terminal base, and the middle shielding plate is connected between the first circuit board and the second circuit board.

Furthermore, in the above technical solution, a clamping protrusion is protruded forward on the edge of the front bottom end of the carrier, and the clamping protrusion has a clamping groove connected with the front shielding sheet for fixing.

Further, in the above technical solution, the front shielding plate has a transverse shielding surface and a hook connected to a bottom edge of the shielding surface and engaged with the slot.

Furthermore, in the above technical solution, two sets of positioning holes for the first terminal module and the second terminal module are arranged in parallel at the front end of the first circuit board, and welding holes for welding the positioning pins are arranged at the tail of the first circuit board; the front end and the rear end of the second circuit board are provided with positioning holes fixed on the terminal block at the board end.

Furthermore, in the above technical solution, the board end terminal block has a lengthwise base body connected to the external circuit board, the surface of the base body is provided with a clamping column matched with the positioning hole of the second circuit board, a side wall extends upwards from the rear end side of the base body, and the outer wall surface of the side wall is provided with a protruding column fixed with the outer shell body.

Furthermore, in the above technical solution, the side walls of the left and right sides of the insulating body are provided with chutes for convenient installation of the side plates, the chutes are communicated with the front wall of the main body, and the ends of the chutes form buckles; the side plate is provided with a clamping tenon matched with the sliding groove, the head of the clamping tenon is provided with a barb buckled with the buckle, and the bottom surface of the side plate is inwards provided with a support table used for lapping the terminal block at the plate end.

Furthermore, in the above technical solution, the insulation body has a vertical main body, the flat plate extends backward from the upper wall surface of the main body, two rib plates are arranged on the bottom surface of the flat plate and connected to the rear wall surface of the main body, and an accommodating chamber is formed between the two rib plates.

Furthermore, in the above technical solution, the rear wall surface of the outer housing is provided with a welding through hole abutted to the middle shielding plate.

Compared with the prior art, the DVI adapter has the beneficial effects that:

the middle shielding piece and the front shielding piece are arranged in the conductive assembly module, the filtering modules are respectively connected with two sides of the middle shielding piece, the front side of the middle shielding piece is connected with the front shielding piece, and the rear end of the middle shielding piece is connected to the outer shell of the electric connector, so that the front, middle and rear all-directional shielding effect is formed, the interference of surrounding signals is effectively eliminated, and the quality transmission of telecommunication signals is improved; in addition, an open accommodating space is formed by the side plates and the insulating body, so that the conductive assembly module is convenient to assemble in the insulating body, time and labor are saved, and the assembly efficiency of the product is improved.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

FIG. 1 is an exploded perspective view of the present embodiment;

FIG. 2 is an exploded perspective view from another perspective of the present embodiment;

fig. 3 is an exploded perspective view of the conductive assembly module of the present embodiment;

FIG. 4 is a schematic diagram of the disassembled conductive assembly module of the present embodiment;

FIG. 5 is a perspective view of the conductive assembly module of FIG. 4 after assembly;

fig. 6 is a main body view of the present embodiment after assembly; and

fig. 7 is another perspective view of fig. 6 after assembly.

The reference numbers illustrate:

100 the number of electrical connectors to be connected,

1, an insulating body, 11, a vertical main body, 101, 102 accommodating grooves, 111 upper installing grooves, 121 lower installing grooves, 122 supporting plates, 123 grooves, 13 open grooves, 14 sliding grooves, 141 buckles, 15 flat plates, 151 ribbed plates, 152 accommodating chambers and 16 accommodating spaces;

2, a conductive assembly module, 21 a first terminal module, 22 a second terminal module, 221 a plastic block, 222 conductive terminals, 223 contact parts, 224 fixing parts, 225 welding pins, 226 positioning columns, 23 a first circuit board, 231 positioning holes, 232 patches, 234 welding holes, 24 a second circuit board, 241 positioning holes, 25 middle shielding sheets, 251 carriers, 252 pins, 253 positioning pins 254, 256 clamping protrusions of a card, 257 clamping grooves, 27 side shielding sheets, 271 shielding surfaces, 272 clamping hooks, 26 board end terminal bases, 261 longitudinal basal bodies, 262 clamping columns, 263 side walls and 264 protruding columns;

3, side plates, 31 tenons, 311 barbs, 321 double-row grooves and 322 pallets;

5. 6LED assembly;

7 filtering module, 71 cartridge;

8 outer shell, 811, 812 through-hole.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In the embodiments shown in the drawings, the directions such as up, down, left, right, front, and rear are used to explain the structure and movement of various components of the present invention not absolutely but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

In the present embodiment, as shown in fig. 1 to 7, an electrical connector 100 is provided, the electrical connector 100 is mounted on an external circuit board, and includes an insulating body 1, a conductive assembly module 2, a side plate 3, a plurality of LED assemblies, a filter module 7, and an outer housing 8. The conductive assembly module 2 includes a first terminal module 21, a second terminal module 22, a first circuit board 23, a second circuit board 25, a middle shielding plate 25 for connecting the two circuit boards, a side front shielding plate 27, and a board terminal base 26.

The insulation body 1 is formed by plastic injection molding, the insulation body 1 is provided with a vertical main body 11, the vertical main body 11 comprises a front wall surface, a rear wall surface, a left wall surface, a right wall surface, an upper wall surface and a lower wall surface, the front wall surface of the main body 11 is provided with

accommodating grooves

101 and 102 for inserting corresponding connectors, and the two

accommodating grooves

101 and 102 are symmetrically arranged; an upper mounting groove 111 and a lower mounting groove 121 for accommodating the LED

light guide posts

51 and 61 are respectively formed at the bottom edge and the upper edge of the front wall surface of the main body 11, the upper mounting groove 111 is communicated with the rear wall surface of the main body 11, a supporting plate 122 for supporting the light guide post 51 is arranged in the lower mounting groove 121, grooves 123 for guiding the pins 52 of the LED module 5 are formed at two sides of the supporting plate 122, an open groove 13 for the first terminal module 21 and the second terminal module 22 to penetrate is concavely formed on the front wall surface of the rear wall surface of the main body 11, and the open groove 13 is communicated with the

accommodating grooves

101 and 102; the sliding grooves 14 for conveniently mounting the side plates 3 are arranged on the left side wall surface and the right side wall surface of the main body 11, the front ends of the sliding grooves 14 are communicated with the front wall surface of the main body 11, and the tail ends of the sliding grooves 14 form buckles 141; a flat plate 15 extends backwards from the upper wall surface of the main body 11, two ribs 151 are arranged on the bottom surface of the flat plate 15 and connected with the rear wall surface of the main body 11, and a containing chamber 152 is formed between the two ribs 151.

The conductive assembly module 2 is formed by assembling a first terminal module 21, a second terminal module 22, a first circuit board 23, a second circuit board 25, a middle shielding sheet 25 and a side shielding sheet 27 for connecting the two circuit boards, and a board end terminal base 26 in a certain order to form a semi-finished product.

The first terminal module 21 and the second terminal module 22 have the same structure, and only the first terminal module 21 will be described for structural features. The first terminal module 21 has a plastic block 221 and a plurality of conductive terminals 222, the conductive terminals 222 have fixing portions 224 fixed in the plastic block 221, welding pins 225 extend from the tail portions of the fixing portions 224 to the outside of the plastic block 221, and contact portions 223 are bent outward and back to a roundabout and oblique direction at the front ends of the fixing portions 224; a pair of positioning posts 226 are disposed on the plastic block 221 and attached to the end surface of the first circuit board 23 in a staggered manner, and the staggered positioning posts 226 can be preferably provided on the first terminal module 21 and assembled on the first circuit board 23.

The first circuit board 23 is unfolded in a longitudinal manner, two sets of positioning holes 231 are arranged in parallel at the front end of the first circuit board 23 to provide the first terminal module 21 and the second terminal module 22 for installation and fixation, a patch 232 for welding the terminal module welding pins 225 is arranged behind the positioning holes 231, a welding hole 234 for welding the positioning pin 253 is arranged at the tail part of the first circuit board 23, and a plurality of electronic component assembling areas are arranged between the patch 232 and the welding hole 234.

The second circuit board 24 is simpler than the first circuit board 23, and has positioning holes 241 at the front and rear ends in the longitudinal direction of the circuit board.

The middle shielding plate 25 is connected between the first circuit board 23 and the second circuit board 24, the middle shielding plate 25 has a thin plate carrier 251, a plurality of pins 252 connected with the second circuit board 24 extend downwards from the bottom edge of the carrier 251, a positioning pin 253 is protruded from the upper edge of the carrier 251 at a position corresponding to the soldering hole 234, a clamping piece 254 perpendicular to the positioning pin 253 is backward arranged on the upper edge of the rear side of the carrier 251, a clamping protrusion 256 for fixing the front shielding plate 27 is protruded forwards from the bottom edge of the front side of the carrier 251, and the clamping protrusion 256 has a clamping slot 257 for fixing the front shielding plate 27; the front shield 27 has a transverse shielding surface 271 and hooks 272 connected to the bottom edge of the shielding surface 271 and engaged with the slots 257.

The board end terminal base 26 is connected to the bottom end of the conductive assembly module 2, the board end terminal base 26 has a longitudinal base 261 connected to an external circuit board, the base 261 has a plurality of through holes (not labeled) and a plurality of fastening posts 262 matched with the positioning holes 241 of the second circuit board 24 are disposed on the surface of the base 261, a side wall 263 extends upwards from the rear end side of the base 261, and a protruding post 264 fixed with the outer shell 8 is disposed on the outer wall surface of the side wall 263.

The side plate 3 has a left side plate structure and a right side plate structure, the left side plate structure and the right side plate structure are the same, the side plate 3 is assembled and fixed on two side wall surfaces of the vertical main body 11 of the insulating body 1, the left side plate 3, the right side plate 3 and the front flat plate 15 form an accommodating space 16 for accommodating the conductive assembly module 2, and the accommodating space 16 is an open structure so as to provide convenience for assembling the conductive module 2; the side plate 3 is provided with a tenon 31 matched with the sliding groove 14, the head of the tenon 31 is provided with a barb 311 buckled with the buckle 141, the outer side surface of the top surface of the side plate 3, which is connected with the pin 62 of the LED assembly 6, is provided with a double-row groove 321, and the double-row groove 321 is in an L shape; a supporting platform 322 for lapping the terminal block 26 at the board end of the conductive assembly transverse block 21 is inwardly protruded from the bottom surface of the side board 3, so as to facilitate the assembly of the conductive assembly transverse block 21 in the electrical connector 100.

The

LED components

5 and 6 are standard components, the

LED components

5 and 6 are respectively accommodated in the lower mounting groove 121 and the upper mounting groove 111, and the LED components 5 are directly installed by being LED from the front wall surface of the insulating body 1 and LED into the groove 123 by the pins 52; the LED module 6 is configured to mount the lead pins 62 on the side plate 3, and then insert the light guide post 61 into the upper mounting groove 111 from the rear wall surface of the insulating body 1.

The electrical connector 100 further comprises a set of filter modules 7, wherein the set of filter modules 7 are respectively installed at two sides of the middle shielding plate 25, and the filter modules 7 comprise a box body 71, a coil (not shown) and a filter (not shown) which are fixed in the box body 71; the electrical connector 100 can still realize signal transmission without assembling the filtering module 7, and is a low-end connector at this time; the filter module 7 is assembled on the electrical connector to realize a high-end quality signal transmission, so that the novel electrical connector 100 can select the low-end connector or the high-end connector according to actual needs.

The outer housing 8 is wrapped around the electrical connector 100, the outer housing 8 includes front, rear, left, right and upper walls, the lower wall is a hollow structure, the front wall of the outer housing 8 has openings (not shown) corresponding to the receiving

slots

101 and 102, the rear wall of the outer housing 8 is provided with a through hole 811 fixed to the stud 264 and a through hole 812 welded to the card 254; the middle shielding plate 25 is connected to the external circuit board to realize the telecommunication transmission, and the card 254 of the middle shielding plate 25 is connected to the through hole 812 of the outer housing 8, so that the outer housing 8 can also better play a role in shielding.

The electric connector 100 of the invention contains many part structures, but its assembly is not complicated, assemble the conductive assembly module 2 and finish the semifinished material mainly first, the said conductive assembly module 2 assembles can be seen in fig. 4, the first step, fix the first terminal module 21 and second terminal module 22 on the first circuit board 23 through the locating hole 231 location, its first terminal module 21 and second terminal module 22 are positioned on the upper and lower surface of the first circuit board 23 in opposite directions, and then weld the patch 232 of the first circuit board 23 and achieve the complete fixation through the welding foot 225 of the terminal module; secondly, fixing the second circuit board 24 on the board end terminal base 26, and fitting the front and rear end positioning holes 241 of the second circuit board with the fastening posts 262 of the board end terminal base 26; thirdly, inserting the positioning pins 253 of the middle shielding plate 25 on the welding holes 234 of the first circuit board 23 and fixing the same by welding, wherein a plurality of pins 252 extending from the bottom edge of the middle shielding plate 25 penetrate through the second circuit board 24 and the board terminal base 26, and the middle shielding plate 25 connects the first step and the second step together; fourthly, the side shield plates 27 are connected to the middle shield plate 25 by the hooks 272, and the conductive assembly module 2 is completed.

After the conductive assembly module 2 is assembled, the filter module 7 is selected and assembled according to actual selection, when the high end of the conductive assembly module 2 is assembled and connected, the filter module 7 is assembled and connected to two sides of the middle shielding sheet 25, the assembly structure is directly assembled on the insulating body 1, the LED assembly 6 is assembled on the side plate 3, the side plate 3 is slidably assembled and buckled on the buckle 141 through the sliding groove 14 at the rear end of the insulating body 1 through the tenon 31, and the support 322 of the side plate 3 is lapped on the lower surface of the plate end terminal seat 26 of the conductive assembly module 2, so that the conductive assembly module 2 can be fixed more stably; after the side plates 3 are assembled and fixed, the LED modules 5 are guided and assembled in the lower mounting grooves 121 from the front wall of the insulating body 1, but the LED modules 5 may not be controlled by the aforementioned sequence, or may be assembled in the first step, and then the outer housing 8 is wrapped around the aforementioned assembled product, thereby completing the assembly of the electrical connector 100.

According to the electric connector 100, the middle shielding sheet and the front shielding sheet are arranged in the conductive assembly module, the filtering modules are respectively connected with two sides of the middle shielding sheet, the front side of the middle shielding sheet is connected with the front shielding sheet, and the rear end of the middle shielding sheet is connected to the outer shell of the electric connector, so that a front-middle-rear-inner-outer all-directional shielding effect is formed, peripheral signal interference is effectively eliminated, and telecommunication signal quality transmission is improved; in addition, an open accommodating space is formed by the side plates and the insulating body, so that the conductive assembly module is convenient to assemble in the insulating body, time and labor are saved, and the assembly efficiency of the product is improved.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or recited in detail in a certain embodiment.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric connector, including insulator, install electrically conductive equipment module, filter module in insulator, install curb plate and the shell body in insulator both sides, insulator upper wall backward extension has a flat board, and this flat board constitutes the open accommodating space of electrically conductive equipment module holding with the curb plate of equipment in insulator both sides, its characterized in that: the conductive assembly module is provided with a middle shielding sheet and a front shielding sheet, the filtering module is respectively connected with the middle shielding sheet and the two sides of the middle shielding sheet, the front shielding sheet is connected with the front side of the middle shielding sheet, and the rear side of the middle shielding sheet is connected with the outer shell to form a front, middle and rear all-dimensional shielding structure.

2. The electrical connector of claim 1, wherein: the middle shielding sheet is provided with a sheet carrier, a plurality of connecting pins are extended and protruded downwards from the bottom edge of the carrier, the front shielding sheet is connected to the edge of the front bottom end of the carrier, a welding positioning pin is extended upwards from the rear side of the upper edge of the carrier, and a clamping sheet vertical to the positioning pin is extended backwards from the upper edge of the rear side of the carrier.

3. The electrical connector of claim 2, wherein: the conductive assembly module further comprises a first circuit board, a second circuit board, a first terminal module, a second terminal module and a board terminal base, wherein the first terminal module and the second terminal module are installed on the first circuit board, the second circuit board is assembled on the board terminal base, and the middle shielding piece is connected between the first circuit board and the second circuit board.

4. The electrical connector of claim 2, wherein: the edge of the front bottom end of the carrier is provided with a clamping protrusion in a forward extending mode, and the clamping protrusion is provided with a clamping groove connected with the front shielding sheet for fixing.

5. The electrical connector of claim 4, wherein: the front shielding sheet is provided with a transverse shielding surface and a clamping hook connected to the bottom edge of the shielding surface and clamped with the clamping groove.

6. The electrical connector of claim 3, wherein: the front end of the first circuit board is provided with two groups of positioning holes used for the first terminal module and the second terminal module in parallel, and the tail part of the first circuit board is provided with welding holes for welding positioning pins; the front end and the rear end of the second circuit board are provided with positioning holes fixed on the terminal block at the board end.

7. The electrical connector of claim 6, wherein: the board end terminal seat is provided with a lengthwise base body connected with an external circuit board, the surface of the base body is provided with clamping columns matched with the positioning holes of the second circuit board, the side surface of the rear end of the base body extends upwards to form a side wall, and the outer wall surface of the side wall is provided with protruding columns fixed with the shell body.

8. The electrical connector of claim 3, wherein: the side walls of the left and right sides of the insulating body are provided with chutes for convenient installation of the side plates, the chutes are communicated with the front wall of the main body, and the tail ends of the chutes form buckles; the side plate is provided with a clamping tenon matched with the sliding groove, the head of the clamping tenon is provided with a barb buckled with the buckle, and the bottom surface of the side plate is inwards provided with a support table used for lapping the terminal block at the plate end.

9. The electrical connector of claim 1, wherein: the insulating body is provided with a vertical main body, the flat plate extends backwards from the upper wall surface of the main body, two ribbed plates are arranged on the bottom surface of the flat plate and connected with the rear wall surface of the main body, and a containing chamber is formed between the two ribbed plates.

10. The electrical connector of any of claims 1 to 9, wherein: and the rear wall surface of the outer shell is provided with a welding through hole abutted to the middle shielding sheet.