An RJ45 jack connector
By introducing a filtering module and a built-in circuit board into the RJ45 socket connector and using a spring grounding plate to form an anti-electromagnetic interference structure, the electromagnetic interference problem of the traditional RJ45 socket connector during high-speed network signal transmission is solved, and stable high-speed signal transmission is achieved.
Patent Information
- Application Number
- CN202010028441.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-01-10
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2040-01-10
AI Technical Summary
Traditional RJ45 socket connectors have electromagnetic interference problems when transmitting high-speed network signals, and adding specialized electromagnetic anti-interference structures will increase cost and complexity.
A filter module and a built-in circuit board are introduced into the RJ45 socket connector, and an anti-electromagnetic interference structure is formed by the spring clip and the built-in circuit board grounding plate, simplifying the design to reduce electromagnetic interference.
This effectively reduces electromagnetic interference without increasing costs, ensures the stability of high-speed network signal transmission, and avoids affecting the performance of adjacent socket connectors.
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Figure CN111129877B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electronic products, in particular to provide a kind of RJ45 socket connector, the RJ45 socket connector is high-speed transmission network socket connector. BACKGROUND
[0002] Network connector, such as RJ45 connector, is the important interface of computer network data transmission, has been widely used in local area network and ADSL broadband network user's network equipment and network cable connection.
[0003] In terms of transmission speed of Ethernet domain, from the initial 10Mbps, now has developed to transmission speed 100Mbps, 1Gbps, 10Gbps or higher, when RJ45 socket connector and related equipment are connected, to realize high-speed network signal transmission, the electromagnetic interference in the traditional RJ45 socket connector is quite large, the existing single RJ45 socket connector mostly adopts shell and external circuit board connection to shield external electromagnetic interference, and there is no relevant anti-electromagnetic interference structure in the RJ45 socket connector itself, which will interfere with the performance of adjacent socket connector;If a special electromagnetic anti-interference structure is arranged in the RJ45 socket connector, the structure of the RJ45 socket connector itself is increased, and the cost is also increased, which has defects.
[0004] Therefore, in view of the above-mentioned defects of RJ45 connector, it is necessary to propose an improved RJ45 connector. SUMMARY
[0005] The present application aims to overcome the shortcomings of the prior art, and provides a kind of RJ45 socket connector.
[0006] In order to solve the above technical problems, the present application adopts the following technical scheme:
[0007] A kind of RJ45 socket connector, including insulating body, terminal module assembled in insulating body, filter module connected after terminal module, respectively connected to the built-in circuit board on the upper and lower ends of filter module and the shell of insulating body, the front surface of the insulating body is provided with accommodating cavity, and the rear surface of the insulating body is provided with a receiving cavity body through the lower surface, wherein the upper surface of the insulating body is provided with a window close to the rear surface, the window is located above the built-in circuit board connected to the upper end of the filter module, the shell has a surface matched with the upper surface of the insulating body, and an opening overlapping the window is formed on the surface relative to the position of the window, and the edge of the opening extends to the window and has a spring plate abutting on the built-in circuit board.
[0008] Further, in the above technical scheme, the spring plate is extended from the edge of the opening relative to the rear surface of the insulating body.
[0009] Further, in the above technical solution, the built-in circuit board comprises a first built-in circuit board and a second built-in circuit board, the first built-in circuit board is connected to the upper end of the filter module, the second built-in circuit board is connected to the lower end of the filter module, and the spring sheet abuts on the first built-in circuit board.
[0010] Further, in the above technical solution, the first built-in circuit board is provided with a patch, and the window is located directly above the patch; the spring sheet is provided with a grounding sheet abutting on the patch.
[0011] Further, in the above technical solution, the opening and the window have the same size structure.
[0012] Further, in the above technical solution, the upper surface of the insulating body is provided with a recess on each side of the two sides, and an insertion slot is provided on the recess downward to the lower surface.
[0013] Further, in the above technical solution, the accommodation cavity is in communication with the accommodation cavity, and a clamping groove for fixing the filter module is provided on the inner wall surface of the accommodation cavity and extends through the rear surface and the side surface.
[0014] Further, in the above technical solution, the filter module comprises a carrier, the carrier is provided with a protruding block corresponding to the clamping groove buckle, and a clamping block for fixing the second built-in circuit board is protrudingly provided on the bottom end of the side wall surface of the protruding block, and the second built-in circuit board has an opening slot matched with the clamping block.
[0015] Further, in the above technical solution, the filter module further comprises a plurality of adapter terminals arranged on the carrier, the adapter terminals have a holding part fixed in the carrier, a first pin extended from one end of the holding part and connected to the first built-in circuit board, and a second pin extended from the other end of the holding part and connected to the second built-in circuit board.
[0016] Further, in the above technical solution, the terminal module comprises a first fixing seat, a second fixing seat, and a plurality of conductive terminals fixed on the first and second fixing seats; the first fixing seat is fixed on the middle holding part of the conductive terminal, and the second fixing seat is fixed on the tail part of the conductive terminal.
[0017] After adopting the above technical solution, the present application has the following beneficial effects compared with the prior art: the grounding sheet directly abutting on the first built-in circuit board is provided on the shell, forming an anti-electromagnetic interference structure, without the need for a special electromagnetic interference suppression device for shielding, the structure is simple, the same anti-electromagnetic interference effect is achieved, the EMI caused by one socket does not interfere with the performance of the adjacent socket connector, and high-speed transmission signals of the network domain are realized. BRIEF DESCRIPTION OF DRAWINGS
[0018] The above features, technical characteristics, advantages and implementation manners will be further described in a clear and understandable manner in combination with the preferred embodiments and the accompanying drawings.
[0019] Figure 1 is a perspective exploded view of the present application;
[0020] Figure 2 is a partially exploded and assembled schematic view of the present application;
[0021] Figure 3 is Figure 2 is a perspective view after assembly;
[0022] Figure 4 is Figure 3 is a front view from another angle;
[0023] Figure 5 is Figure 4 is a plan view; and
[0024] Figure 6 is Figure 5 is a sectional view along A-A.
[0025] Explanation of reference signs:
[0026] 100 RJ45 socket connector, 1 insulating body, 111 front surface, 112 rear surface, 113 upper surface, 114 lower surface, 115 side surface, 11 accommodating cavity, 12 receiving cavity, 122 clamping groove, 13 recessed platform, 131 insertion slot, 14 window; 2 terminal module, 21 first fixing seat, 22 second fixing seat, 23 conductive terminal; 3 filter module, 31 carrier, 311 protruding block, 312 clamping block, 32 adapter terminal, 321 first pin, 322 second pin, 321 first pin, 322 second pin; 4 first built-in circuit board, 41 patch, 5 second built-in circuit board, 51 open slot; 6 LED assembly, 61 light emitting body, 62 soldering pin, 62 soldering pin; 7 outer shell, 711 surface, 71 opening, 72 spring sheet, 721 grounding sheet. DETAILED DESCRIPTION
[0027] In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular sequences of acts, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known methods, devices, and circuits are omitted so as not to obscure the description of the present application with unnecessary detail.
[0028] It should be understood that the term "includes" when used in this specification and the appended claims indicates the presence of the described features, integers, steps, operations, elements, and / or components but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.
[0029] For the purpose of clarity, only those components related to the application are shown in each drawing figure and are not necessarily drawn to scale. In addition, for the purpose of clarity, in some of the figures, only one of each identical or similar components is shown and conceptual descriptions of some components will be set forth in the text. In this context, "one" means "only one or more than one".
[0030] It should also be further understood that the term "and / or" as used in the application and the appended claims means any one or more of the associated listed items as well as all possible combinations of the items and includes the possibilities of the combinations.
[0031] In the embodiments shown in the drawings, the indications of direction, such as up, down, left, right, front, and back, are used to explain the structure and movement of the various components of the application are not absolute but relative. These indications are appropriate when the components are in the position shown in the drawings. If the position of the components changes, the indications of direction also change accordingly.
[0032] In addition, in the description of the application, the terms "first", "second", and the like are used only to distinguish descriptions and cannot be understood as indicating or implying relative importance.
[0033] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, specific implementations of the application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.
[0034] In this embodiment, please refer to Figure 1 The RJ45 socket electrical connector 100 shown in the figure is used to install on an external circuit board for supplying an RJ45 plug connector for connection to achieve LAN signal transmission. The RJ45 socket electrical connector 100 includes an insulating body 1, a terminal module 2 containing the insulating body 1, a filter module 3 connected to the rear end of the terminal module 2, an internal circuit board (a first circuit board 4 and a second circuit board 5) installed on the filter module 3, an LED assembly 6 installed on the insulating body 1, and a housing 7 wrapped around the periphery of the insulating body 1.
[0035] Please refer to the drawingsFigure 2 、 3 As shown in the drawings, in particular, the insulating body 1 is formed by plastic injection molding, and the insulating body 1 includes a front surface 111, a rear surface 112, an upper surface 113, a lower surface 114, and two side surfaces 115 connecting the front and rear surfaces and the upper and lower surfaces. The front surface 111 is provided with a receiving cavity 11 for inserting an RJ45 plug, and a recessed platform 13 is provided on each of the two sides of the upper surface 113 and extends through the side surface 115, and a slot 131 is provided on the recessed platform 13 and extends downward to the lower surface 114, and the recessed platform 13 and the slot 131 are used to provide installation and fixation of the LED assembly 6. A receiving cavity 12 for installing and fixing the filter module 3 is recessed on the rear surface 112 of the insulating body 1 and communicates with the lower surface 114, and the receiving cavity 12 communicates with the receiving cavity 11 provided on the front surface 111, and a clamping groove 122 for fixing the filter module 3 is provided on the inner wall of the receiving cavity 12 and extends through the rear surface 112 and the side surface 115. A window 14 is provided on the upper surface 113 close to the rear surface 112, and the window 14 is located directly above the patch 41 of the first built-in circuit board 4.
[0036] The terminal module 2 includes a first fixing seat 21, a second fixing seat 22, and a plurality of conductive terminals 23 fixed on the first and second fixing seats. The first fixing seat 21 is fixed on the middle holding part of the conductive terminal 23, and the second fixing seat 22 is fixed on the tail part of the conductive terminal 23.
[0037] The filter module 3 is installed in the receiving cavity 12 of the insulating body 1, and the filter module 3 includes a carrier 31, which has a rectangular structure. The carrier 31 is provided with a protruding block 311 corresponding to the clamping groove 122, and the protruding block 311 cooperates with the clamping groove 122 to fix the filter module 3 in the receiving cavity 12. A clamping block 312 for fixing the second built-in circuit board 5 is protrudingly provided on the bottom end of the side wall of the carrier 31. The carrier 31 is provided with a plurality of adapter terminals 32 arranged thereon. The adapter terminal 32 has a holding part (not shown) fixed in the carrier 31, a first pin 321 extending from one end of the holding part and connected to the first built-in circuit board 4, and a second pin 322 extending from the other end of the holding part and protrudingly connected to the second built-in circuit board 5. In addition, the carrier 31 is also provided with a magnetic coil structure.
[0038] The first built-in circuit board 4 and the second built-in circuit board 5 are respectively connected to the filter module 3. The first built-in circuit board 4 is connected and fixed to the upper end of the filter module 3 by the first pin 321, and the patch 41 of the first built-in circuit board 4 is provided on the first built-in circuit board 4 corresponding to the position of the window 14 of the insulating body 1, and the patch 41 is located directly below the window 14. The second built-in circuit board 5 is connected and fixed to the bottom end of the filter module 3 by the second pin 322, and the second built-in circuit board 5 has an opening slot 51 matched with the clamping block 312.
[0039] The LED assembly 6 includes a light emitting body 61 and a soldering foot 62 extending from the light emitting body 61 . The light emitting body 61 is fitted on the recess 13 of the insulating body 1 , and the soldering foot 62 passes through the slot 131 to connect to the external circuit board.
[0040] See Figures 4 to 6 As shown, the outer shell 7 is enclosed within the insulating body 1 and has a surface 711 that mates with the upper surface 113 of the insulating body 1. The surface 711 defines an opening 71 that overlaps with the window 14, relative to the window 14. In this preferred embodiment, the window 14 and the opening 71 are preferably of equal size. A spring 72 is folded from the edge of the opening 71, extending into the window 14. In the present invention, the spring 72 extends from the edge of the opening 71 relative to the rear surface of the insulating body. The spring 72 extends forward and is provided with a grounding plate 721 that abuts the first internal circuit board 4. The grounding plate 721 abuts the patch 41, providing electromagnetic interference protection within the connector. Because the outer shell 7 needs to be connected to an external circuit board, the entire RJ45 receptacle connector is protected from electromagnetic interference both internally and externally, reducing the risk of EMI from one receptacle interfering with the performance of adjacent receptacles.
[0041] Please see again Figure 3 As shown, the terminal module 2 is connected and fixed on the filter module 3 and then assembled directly on the insulating body 1. The terminal module 2 enters the accommodating cavity 11 through the accommodating cavity 12. The filter module 3 is fixed in the accommodating cavity 12 by the protrusion 311 provided by the carrier 31 and the card slot 122. The installation of the present invention is relatively simple, and those skilled in the art can refer to it. Figure 3 It can be realized, and no detailed description is given here.
[0042] In summary, the present invention forms anti-electromagnetic interference by providing a grounding plate 721 on the outer shell 7 that directly abuts the first built-in circuit board 4, thereby reducing the EMI caused by one socket from interfering with the performance of adjacent socket connectors and achieving high-speed signal transmission in the network.
[0043] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.
[0044] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several improvements and modifications without departing from the principles of the present invention, and such improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. An RJ45 receptacle connector, comprising an insulating body, a terminal module assembled within the insulating body, a filter module connected to the terminal module, an internal circuit board connected to the filter module, and an outer shell encased in the insulating body, wherein the insulating body has a receiving cavity formed on the front surface thereof and a receiving cavity formed on the rear surface thereof extending through the lower surface thereof, characterized in that: The upper surface of the insulating body is provided with a window near the rear surface, the built-in circuit board is located below the window, the outer shell has a surface matching the upper surface of the insulating body, and an opening overlapping the window is formed in the surface relative to the position of the window, and the edge of the opening extends into the window and is provided with a spring plate abutting against the built-in circuit board, wherein the built-in circuit board includes a first built-in circuit board and a second built-in circuit board, the first built-in circuit board is connected to the upper end of the filter module, the second built-in circuit board is connected to the lower end of the filter module, and the spring plate abuts against the first built-in circuit board; the first built-in circuit board is provided with a patch, the window is located directly above the patch, and the spring plate is provided with a grounding sheet abutting against the patch, and the grounding sheet forms an electromagnetic interference resistance in the connector thereof.
2. The RJ45 jack connector of claim 1, wherein: The spring plate is extended and folded out from the edge of the opening relative to the rear surface of the insulating body.
3. The RJ45 jack connector of claim 1, wherein: The opening and the window have the same size structure.
4. The RJ45 jack connector of claim 1, wherein: The upper surface of the insulating body is provided with a recess on both sides and a through side surface, and a slot is provided in the recess downwardly.
5. The RJ45 socket connector according to claim 1, wherein: The accommodation cavity is in communication with the accommodation cavity, and a clamping groove for fixing the filter module is provided in the inner wall of the accommodation cavity and extends through the rear surface and the side surface.
6. The RJ45 jack connector of claim 1, wherein: The filter module includes a carrier, and the carrier is provided with a protruding block corresponding to the clamping groove, a clamping block for fixing the second built-in circuit board is provided at the bottom end of the side wall of the protruding block, and the second built-in circuit board has an opening slot matching the clamping block.
7. The RJ45 jack connector of claim 1, wherein: The filter module further includes a plurality of adapter terminals arranged on the carrier, and the adapter terminals have a holding part fixed in the carrier, a first pin connected to the first built-in circuit board from one end of the holding part, and a second pin connected to the second built-in circuit board from the other end of the holding part.
8. The RJ45 jack connector of claim 1, wherein: The terminal module includes a first fixing seat, a second fixing seat, and a plurality of conductive terminals fixed on the first and second fixing seats; the first fixing seat is fixed on the middle holding part of the conductive terminal, and the second fixing seat is fixed on the tail part of the conductive terminal.
Citation Information
Patent Citations
RJ45 socket connector
CN211605558U
Electric connector
CN2665986Y