Non-shielding module for preventing crosstalk interference

Abstract

The utility model discloses an anti-crosstalk interference non-shielding module, which comprises a module body and a gold needle module arranged in the module body, the gold needle module comprises an insulating seat, two isolation sheets, four first terminals and four second terminals, the two isolation sheets, the four first terminals and the four second terminals are arranged on the insulating seat, and the first terminals and the second terminals are arranged at intervals. Each of the first terminal and the second terminal comprises a contact end and a connection end, the contact end of the first terminal is flush with the contact end of the second terminal, the connection end of the first terminal is located above the connection end of the second terminal, and a spacer is located above the connection end of the first terminal and is located above the connection end of the second terminal. The other isolation sheet is positioned between the connecting end of the first terminal and the connecting end of the second terminal; and the spacer is a metal sheet. According to the scheme, on the basis of not changing the two-row arrangement of the terminals of the conventional RJ45 connector, the problem of crosstalk interference in the module is effectively reduced by arranging the two isolation sheets in the module.

Description

Technical Field

[0001] The utility model relates to the field of network modules, in particular to an unshielded module for preventing crosstalk interference. Background Art

[0002] At present, in order to reduce costs, most of the unshielded tool-free modules on the market do not have the ability to prevent crosstalk interference. Therefore, the electromagnetic coupling between lines will cause the propagation of signals and noise, resulting in problems such as signal quality degradation, data errors, and limited system performance.

[0003] The patent application with the publication number CN202474291U discloses an electrical connector socket, which is provided with a separator. The separator is a bent metal cover body. The separator is arranged inside the insulating seat to prevent crosstalk interference by means of distance separation, isolate noise interference by means of shielding effect, and release noise through the grounding pins 211 / 221. However, in this application, the existing form of two-column arrangement of RJ45 connection terminals at the board end is changed, and both the housing and the insulating seat of the module need to be changed, resulting in relatively high factory costs. Summary of the Utility Model

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide an unshielded module for preventing crosstalk interference, which effectively solves the problem of crosstalk interference inside the module without changing the two-column arrangement of the existing RJ45 connector terminals.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An unshielded module for preventing crosstalk interference includes a module body and a gold pin module installed in the module body. The gold pin module includes an insulating seat, two separators, 4 first terminals, and 4 second terminals installed on the insulating seat. The first terminals and the second terminals are arranged at intervals. Both the first terminals and the second terminals include a contact end and a connection end. The contact ends of the first terminals are flush with the contact ends of the second terminals. The connection ends of the first terminals are located above the connection ends of the second terminals. One separator is located above the connection ends of the first terminals, and the other separator is located between the connection ends of the first terminals and the second terminals; the separator is a metal sheet. By providing a metal separator, the 36-wire pair and the 45-wire pair are isolated, effectively reducing the problem of crosstalk interference inside the module.

[0007] Preferably, two mounting grooves, four first through holes and four second through holes are formed in the insulating base. Among them, the four first through holes are arranged in parallel, the four second through holes are arranged in parallel, the four first through holes are located above the second through holes, the four first terminals are respectively inserted into the four first through holes, and the four second terminals are respectively inserted into the four second through holes; one of the two mounting grooves is formed above the two first through holes in the middle position; the other mounting groove is located between the first through holes and the second through holes, and this mounting groove is formed above the second through hole in the middle position; two separator sheets are respectively arranged in the two mounting grooves.

[0008] Preferably, a mounting opening for mounting the gold pin module is provided at the rear end of the module body, and a slot is respectively provided on the left and right inner side walls of the mounting opening; a plug strip is respectively convexly provided on the left and right sides of the insulating base, and the plug strip of the insulating base on the gold pin module is inserted into the slot of the mounting opening.

[0009] Preferably, a first guiding inclined surface is provided at the rear end of the plug strip on the insulating base, and a second guiding inclined surface is provided at the rear end of the slot of the mounting opening.

[0010] Preferably, a PCB board is further included, the PCB board is installed in the module body, and the connecting ends of the first terminals and the connecting ends of the second terminals are both connected to the PCB board.

[0011] Preferably, a wire clamping base installed at the rear end of the module body is further included, a plurality of cutter grooves are formed at the rear end of the wire clamping base, a cutter for piercing the connecting wire is arranged in the cutter groove, and the front end of the cutter is connected to the PCB board.

[0012] Preferably, two buckles are respectively provided on the left and right side walls of the wire clamping base, two card holes corresponding to the buckles are respectively formed on the left and right side walls of the module body, and the buckles of the wire clamping base are snapped into the corresponding card holes of the module body to fix the wire clamping base at the rear end of the module body.

[0013] Preferably, a jack for plugging a crystal head is formed at the front end of the module body, and the gold pin module is arranged in the module body and can expose the jack.

[0014] Preferably, both the module body 1 and the wire clamping base 4 are made of plastic.

[0015] The utility model adopts the above technical solution and has the following beneficial effects: Without changing the two-row arrangement of the terminals of the existing RJ45 connector, the utility model effectively reduces the crosstalk interference problem in the module by arranging two isolation sheets in the module, avoids problems such as signal quality degradation, data errors, and limited system performance caused by crosstalk, increases the service life of the module, improves production efficiency, saves time and effort, reduces factory costs, and thus enhances productivity. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the utility model;

[0017] Figure 2 is a schematic structural diagram of the utility model after removing the label;

[0018] Figure 3 is a schematic structural diagram of the gold pin module installed on the module body;

[0019] Figure 4 is one of the schematic structural diagrams of the module body;

[0020] Figure 5 is the other schematic structural diagram of the module body;

[0021] Figure 6 is a schematic structural diagram of the gold pin module;

[0022] Figure 7 is one of the schematic structural diagrams of the insulating seat;

[0023] Figure 8 is the other schematic structural diagram of the insulating seat;

[0024] Figure 9 is an exploded view of the utility model.

[0025] Reference Signs:

[0026] 1, module body; 11, insertion interface; 12, installation opening; 121, slot; 1211, second guiding inclined surface; 13, clamping hole; 2, gold pin module; 21, insulating seat; 211, installation groove; 212, first through hole; 213, second through hole; 214, insertion strip; 2141, first guiding inclined surface; 22, isolation sheet; 23, first terminal; 24, second terminal; 3, PCB board; 4, wire clamping seat; 41, buckle; 42, cutter slot; 5, cutter; 6, label. Detailed Embodiment

[0027] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

[0029] In the present utility model, unless otherwise clearly specified and defined, terms such as "mounted", "connected", "coupled", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and defined, the fact that the first feature is "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the fact that the first feature is "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The fact that the first feature is "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0031] For the convenience of description, in the present utility model, the direction in which the user inserts the RJ45 connector is defined as the rear, and vice versa as the front.

[0032] As Figures 1 to 9A non-shielded module for preventing crosstalk interference, comprising: a module body 1 and a gold pin module 2 installed in the module body 1. The gold pin module 2 includes an insulating base 21, two isolation sheets 22, four first terminals 23 and four second terminals 24 installed on the insulating base 21. The first terminals 23 and the second terminals 24 are arranged at intervals. Both the first terminals 23 and the second terminals 24 include a contact end for contacting with a crystal head and a connection end for connecting with a PCB board 3. The contact ends of the first terminals 23 and the second terminals 24 are flush. The connection end of the first terminal 23 is located above the connection end of the second terminal 24. One isolation sheet 22 is located above the connection end of the first terminal 23, and the other isolation sheet 22 is located between the connection end of the first terminal 23 and the connection end of the second terminal 24. The isolation sheet 22 is a metal sheet.

[0033] In the present utility model, on the basis of not changing the two-row arrangement of the existing RJ45 connector terminals, by arranging two metal isolation sheets in the module, one isolation sheet is arranged above the connection end of the first terminal 23, and the other isolation sheet is arranged between the connection end of the first terminal 23 and the connection end of the second terminal 24, effectively reducing the crosstalk interference problem in the module, increasing the service life of the module, and also being able to improve the existing module, reducing the factory cost.

[0034] As Figures 6 to 9 As shown, two installation grooves 211, four first through holes 212 and four second through holes 213 are formed on the insulating base 21. Among them, the four first through holes 212 are arranged in parallel, the four second through holes 213 are arranged in parallel, the four first through holes 212 are located above the second through holes 213, and the four first terminals 23 are inserted into the four first through holes 212 one by one, and the four second terminals 24 are inserted into the four second through holes 213 one by one. One of the two installation grooves 211 is formed above the two first through holes 212 in the middle position; the other installation groove 211 is located between the first through holes 212 and the second through holes 213, and this installation groove 211 is formed above the second through hole 213 in the middle position; the two isolation sheets 22 are respectively arranged in the two installation grooves 211, that is, one isolation sheet 22 is arranged above the connection ends of the two first terminals 23 in the middle position, and the other isolation sheet 22 is arranged above the two second terminals 24 in the middle position. These two isolation sheets 22 actually isolate the 36 wire pairs and the 45 wire pairs respectively. Through actual detection, arranging the isolation sheets 22 at these two positions can effectively reduce the crosstalk interference problem in the module.

[0035] As Figures 3 to 7As shown, a mounting opening 12 for mounting the gold needle module 2 is provided at the rear end of the module body 1. A slot 121 is provided on each of the left and right inner side walls of the mounting opening 12. A plug 214 protrudes from each of the left and right sides of the insulating base 21. The plug 214 of the insulating base 21 on the gold needle module 2 is inserted into the slot 121 of the mounting opening 12. In this way, the mounting position of the gold needle module 2 in the module body 1 is defined.

[0036] To increase the smoothness when the gold needle module 2 is mounted on the module body 1 and guide the insertion direction of the gold needle module 2, as Figure 8 shown, a first guiding inclined surface 2141 is provided at the rear end of the plug 214 on the insulating base 21, and a second guiding inclined surface 1211 is provided at the rear end of the slot 121 of the mounting opening 12.

[0037] As Figure 9 shown, the module of the present utility model further includes a PCB board 3. The PCB board 3 is mounted in the module body 1. The connection ends of the first terminal 23 and the second terminal 24 are both connected to the PCB board 3.

[0038] As Figure 9 shown, it further includes a wire clamping seat 4 mounted at the rear end of the module body 1. A plurality of knife slots 42 are provided at the rear end of the wire clamping seat 4. A knife 5 for piercing the connecting wire is provided in the knife slot 42. The front end of the knife 5 is connected to the PCB board 3. In the present utility model, both the wire clamping seat 4 and the module body 1 are made of plastic.

[0039] As Figure 2 、 Figure 4 and Figure 9 shown, two buckles 41 are respectively provided on the left and right side walls of the wire clamping seat 4. Two card holes 13 corresponding to the buckles 41 are respectively provided on the left and right side walls of the module body 1. The buckle 41 of the wire clamping seat 4 is snapped into the corresponding card hole 13 of the module body 1 to fix the wire clamping seat 4 at the rear end of the module body 1. The matching structure of the wire clamping seat 4 and the module body 1 is simple and convenient for disassembly and assembly. In the present utility model, it further includes a label 6. The two ends of the label 6 are respectively pasted at the matching part of the module body 1 and the wire clamping seat 4 and cover the buckle 41 and the card hole 13.

[0040] In the present utility model, a jack 11 for plugging in a crystal head is provided at the front end of the module body 1. The gold needle module 2 is arranged in the module body 1 and can expose the jack 11.

[0041] All features described in the specification, the appended claims and the drawings, whether individually or in any combination thereof, are important features of the present utility model.

[0042] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, variations, delete some features, add features or re-combine features within the scope of the present invention without departing from the principles and purposes of the present invention. Any simple modification, equivalent change and modification made to the above embodiments based on the innovative principles of the present invention still fall within the scope of the technical solutions of the present invention.

Claims

1. A non-shielded module for preventing crosstalk interference, comprising: A module body (1) and a gold needle module (2) installed in the module body (1), characterized in that the gold needle module (2) comprises an insulating seat (21) and two isolation sheets (22) installed on the insulating seat (21), four first terminals (23) and four second terminals (24), the first terminals (23) and the second terminals (24) are arranged at intervals, the first terminals (23) and the second terminals (24) both comprise a contact end and a connection end, the contact end of the first terminal (23) and the contact end of the second terminal (24) are flush, the connection end of the first terminal (23) is located above the connection end of the second terminal (24), one isolation sheet (22) is located above the connection end of the first terminal (23), and another isolation sheet (22) is located between the connection end of the first terminal (23) and the connection end of the second terminal (24); the isolation sheet (22) is a metal sheet.

2. The non-shielded module for preventing crosstalk interference according to claim 1, characterized in that: The insulating seat (21) is provided with two mounting grooves (211), four first through holes (212) and four second through holes (213), wherein the four first through holes (212) are arranged in parallel, the four second through holes (213) are arranged in parallel, the four first through holes (212) are located above the second through holes (213), the four first terminals (23) are inserted into the four first through holes (212) one by one, and the four second terminals (24) are inserted into the four second through holes (213) one by one; one of the two mounting grooves (211) is provided above the two first through holes (212) located in the middle; the other mounting groove (211) is located between the first through hole (212) and the second through hole (213), and the mounting groove (211) is provided above the second through hole (213) located in the middle; and the two isolation sheets (22) are respectively provided in the two mounting grooves (211).

3. The non-shielded module for preventing crosstalk interference according to claim 1, characterized in that: The rear end of the module body (1) is provided with an installation opening (12) for installing the gold pin module (2), and a slot (121) is respectively provided on the left and right inner side walls of the installation opening (12); an insertion strip (214) is respectively provided protrudingly on the left and right sides of the insulating seat (21), and the insertion strip (214) of the insulating seat (21) on the gold pin module (2) is inserted into the slot (121) of the installation opening (12).

4. The non-shielded module for preventing crosstalk interference according to claim 3, characterized in that: A first guiding inclined surface (2141) is provided at the rear end of the inserting strip (214) on the insulating seat (21), and a second guiding inclined surface (1211) is provided at the rear end of the slot (121) of the installation opening (12).

5. The non-shielded module for preventing crosstalk interference according to claim 1, characterized in that: It also includes a PCB board (3), the PCB board (3) being installed in the module body (1), and the connecting end of the first terminal (23) and the connecting end of the second terminal (24) are both connected to the PCB board (3).

6. The non-shielded module for preventing crosstalk interference according to claim 5, characterized in that: It also comprises a wire clamping seat (4) mounted on the rear end of the module body (1), a plurality of clamping knife slots (42) being provided at the rear end of the wire clamping seat (4), a clamping knife (5) for piercing the connecting wire being provided in the clamping knife slot (42), and a front end of the clamping knife (5) being connected to the PCB board (3).

7. The non-shielded module for preventing crosstalk interference according to claim 6, characterized in that: Two buckles (41) are respectively provided on the left and right side walls of the cable holder (4); two buckles (41) are respectively provided on the left and right side walls of the module body (1); the buckles (41) of the cable holder (4) are snapped into the corresponding buckles (13) of the module body (1), thereby fixing the cable holder (4) to the rear end of the module body (1).

8. The non-shielded module for preventing crosstalk interference according to claim 1, characterized in that: The front end of the module body (1) is provided with a plug interface (11) for plugging in a crystal plug, and the gold pin module (2) is arranged in the module body (1) and is capable of exposing the plug interface (11).

9. The non-shielded module for preventing crosstalk interference according to claim 1, characterized in that: The module body (1) and the wire holder (4) are both made of plastic.

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