TWM625671U - Rj45 connector - Google Patents

Abstract

An RJ45 connector, comprising an insulating body, a terminal module disposed on the aforementioned insulating body, a circuit board electrically connected with the aforementioned terminal module, and a casing covering the aforementioned insulating body, the aforementioned terminal module comprising a plurality of conductive terminals, the aforementioned The conductive terminal includes a first mounting portion connected to the circuit board, and the first mounting portion is configured as a fish-eye-shaped mounting portion. In the present invention, the fish-eye-shaped mounting portion is electrically connected with the aforementioned circuit board in a way without solder joints, which can avoid the use of flux, and can be simply removed and replaced. The assembly is convenient and removable.

Description

RJ45 connector

The invention relates to an RJ45 connector, which belongs to the field of connectors.

This creation claims the priority of the Chinese patent application whose application date is May 25, 2021 and the application number is: 202121138945.1, the entire contents of which are incorporated into this creation by reference.

With the rapid development of information technology, the application of electronics and information products has become more and more extensive, and the progress of computer systems and related peripheral industries has become more and more rapid. The required information can be obtained quickly, and a variety of information services can also be obtained. The development of the computer network provides a more convenient and comfortable living environment for human beings.

The RJ45 electrical connector is an important docking device for network connection. Because the RJ45 process part cannot avoid the welding process, such as the welding between the conductive terminal and the circuit board, the welding process is more complicated, and simultaneous welding requires a lot of welding equipment. , such as wave soldering machines, Surface Mount Technology (SMT) machines, and drawing soldering machines, which require a lot of equipment investment, and the soldering process is an irreversible process. Desoldering is a very complicated process, requiring high temperature melting and then plugging.

The purpose of this creation is to provide an RJ45 electrical connector with simple manufacturing process and low cost.

In order to achieve the aforementioned purpose, this creation adopts the following technical solutions: an RJ45 connector, comprising an insulating body, a terminal module arranged on the aforementioned insulating body, a circuit board electrically connected with the aforementioned terminal module, and a shell covering the aforementioned insulating body , the aforementioned terminal module includes a plurality of A conductive terminal, the conductive terminal includes a first mounting portion connected to the circuit board, and the first mounting portion is a fish-eye-shaped mounting portion fixed in the through hole of the circuit board.

In one embodiment, the fish-eye-shaped mounting portion includes a base portion, a pin portion extending out of the circuit board, and a mounting portion connected between the base portion and the pin portion, and the mounting portion includes two arc-shaped elastic pieces.

In one embodiment, the mounting portion of the conductive terminal is installed in the through hole.

In one embodiment, the arcs of the two elastic members are disposed opposite to each other, and the maximum cross-sectional width of the assembly portion is larger than the diameter of the through hole.

In one embodiment, the fish-eye-shaped mounting portion further includes a fish-eye hole, and the fish-eye hole extends from between the two elastic members into the pin portion.

In one embodiment, the aforementioned RJ45 connector further includes a filter module, the aforementioned filter module includes a first output terminal and a second output terminal, the aforementioned first output terminal includes a second mounting portion, and the aforementioned second output terminal includes a third output terminal. The mounting portion, the second mounting portion and the third mounting portion are connected to the circuit board.

In one embodiment, the structures of the second mounting portion and the third mounting portion are the same as those of the first mounting portion.

In one embodiment, the terminal module further includes a base, the conductive terminals are disposed in the base, and the conductive terminals further include a fixing portion disposed in the base, and a first connection extending from one end of the fixing portion. The first mounting portion is formed by extending from the other end of the fixing portion.

In one embodiment, the insulating body includes a body portion, a plug space formed by a rearward depression from the front end of the body portion, a accommodating space formed by a frontward depression from the rear surface of the insulating body, and a connection between the plug space and the accommodating space. The accommodation space of the space, the aforesaid docking part is accommodated in the aforesaid insertion space after passing through the aforesaid accommodation space, and the aforesaid filter module is accommodated in the aforesaid accommodation space.

In one embodiment, the filter module further includes a housing for accommodating the first output terminal and the second output terminal, and the housing is provided with an assembly slot for accommodating the base and The buckle grooves are located on both sides of the assembly groove, and the base of the terminal module has a buckle protrusion that is buckled with the buckle groove.

Compared with the prior art, the beneficial effect of the present invention is that the conductive terminals of the electrical connector of the present invention are electrically connected to the circuit board through the fish-eye-shaped mounting portion in a way without solder joints, which can avoid the need for help. The use of flux can be simply removed and replaced, and the assembly is convenient and removable. At the same time, it avoids a lot of equipment, material and labor input, which can greatly reduce the manufacturing cost.

1: Insulation body

100: Electrical connector

11: Main body

12: Plug space

13: accommodating space

14: Containment space

141: Mounting slot

142: Connection slot

2: Terminal module

21: Pedestal

211: First Pedestal

212: Second Pedestal

2123: Snap bump

22: Conductive terminal

223: The first connection part

224: Butt

225: First installation part

3: Filter module

31: Shell

312: Assembly slot

313: Buckle slot

32: The first magnetic ring

33: The second magnetic ring

34: The first output terminal

342: Second installation part

35: The second output terminal

352: The third installation part

4: circuit board

41: Through hole

5: Shell

51: accommodating cavity

61: Base

62: pin part

63: Assembly Department

631: Elastic

64: Fish eye hole

FIG. 1 is a perspective view of the electrical connector of the present invention.

FIG. 2 is a partial perspective exploded view of the electrical connector of the present invention.

FIG. 3 is a further exploded perspective view of the one shown in FIG. 2 .

FIG. 4 is a perspective view of the terminal module and filter module of the electrical connector of the present invention.

FIG. 5 is a partially exploded perspective view of the electrical connector of the present invention from another perspective.

FIG. 6 is a perspective view of the insulating body of the electrical connector of the present invention.

FIG. 7 is a perspective view of the fish-eye-shaped mounting portion of the electrical connector of the present invention.

In order to make the purpose, technical solutions and advantages of the present creation more clear, the present creation will be further described in detail below with reference to the drawings and embodiments. In the following description, words such as "connection", "installation" and "fixation" can be directly connected, installed and fixed, or indirectly connected, installed and fixed unless otherwise specified. material intervention. The terms "first" and "second" may be used herein to describe various elements, but these elements are not limited by these terms, which are only used to distinguish the described items and do not have any order or technical meaning.

1 to 3, an electrical connector 100 includes an insulating body 1, a terminal module 2 and a filter module 3 disposed on the aforementioned insulating body 1, and electrically connected to the aforementioned terminal module 2 and the aforementioned filter module The circuit board 4 between the groups 3 and the insulating body 1, The casing 5 of the aforementioned terminal module 2 and the aforementioned filter module 3 .

As shown in FIG. 2 and FIG. 6 , the aforementioned insulating body 1 includes a body portion 11 , a plugging space 12 recessed from the front end of the aforementioned body portion 11 to the rear for inserting butt plugs (not shown), and the aforementioned insulating body 12 . The rear surface of 1 is recessed forward to form an accommodating space 13 and an accommodating space 14 that communicates with the foregoing insertion space 12 and the foregoing accommodating space 13 .

Referring to FIG. 4 , the aforementioned terminal module 2 includes a base 21 and a plurality of conductive terminals 22 disposed on the aforementioned base 21 .

The aforementioned filter module 3 includes a housing 31 , a plurality of first magnetic rings 32 and second magnetic rings 33 disposed in the aforementioned housing 31 , a first output terminal 34 electrically connected to the aforementioned first magnetic ring 32 , and a first output terminal 34 electrically connected to the aforementioned first magnetic ring 32 . The second output terminal 35 of the second magnetic ring 33 is electrically connected.

The aforementioned conductive terminals 22 , the aforementioned first output terminals 34 , and the aforementioned second output terminals 35 are electrically connected to the aforementioned circuit board 4 in a solderless manner.

Specifically, the aforementioned conductive terminal 22 includes a fixing portion (not shown) disposed in the aforementioned base 21 , a first connecting portion 223 extending from one end of the fixing portion, and extending from the aforementioned first connecting portion 223 into the aforementioned insertion space The docking part 224 in 12, the first mounting part 225 extending from the other end of the fixing part. The first output terminal 34 includes a second connecting portion (not shown) connected to the first magnetic ring 32 and a second mounting portion 342 extending from the second connecting portion and electrically connected to the circuit board 4 . The second output terminal 35 includes a third connecting portion (not shown) connected to the second magnetic ring 33 and a third mounting portion 352 extending from the third connecting portion and electrically connected to the circuit board 4 .

Referring to FIGS. 3 to 5 , the circuit board 4 has a plurality of through holes 41 through which the conductive terminals 22 , the first output terminals 34 and the second output terminals 35 pass, the first mounting portion 225 , the first The second mounting portion 342 and the third mounting portion 352 pass through the through hole 41 and abut against the inner surface of the through hole 41 , so as to be electrically connected to the circuit board 4 without solder joints, and the fixing is stable.

4 to 7 , specifically, the first mounting portion 225 , the second mounting portion 342 and the third mounting portion 352 have the same structure and are all fish-eye-shaped mounting portions. The fish-eye-shaped mounting portion includes a base portion 61, a pin portion 62 extending out of the aforementioned circuit board 4, and a connecting portion. The fitting portion 63 is connected between the aforementioned base portion 61 and the aforementioned pin portion 62 . The aforementioned assembling portion 63 is installed in the aforementioned through hole 41, and includes two aforementioned elastic members 631 opposite to each other and in the shape of an arc. The base portion 61 is connected, and the other end is connected with the aforementioned pin portion 62 .

The width of each cross-section of the aforementioned elastic member 631 is the same, and the maximum cross-sectional width of the aforementioned pin portion 62 is smaller than the minimum cross-sectional width of the aforementioned fitting portion 63 and the aforementioned diameter of the aforementioned through hole 41 of the aforementioned circuit board 4 . After the first mounting portion 225 is connected to the circuit board 4 , the mounting portion 63 is located in the through hole 41 of the circuit board 4 , and the maximum cross-sectional width of the mounting portion 63 is larger than the through hole 41 of the circuit board 4 . The diameter is so that the aforementioned mounting portion 63 can be stably mounted in the aforementioned through hole 41 of the aforementioned circuit board 4 . Specifically, when the aforementioned conductive terminal 22 , the aforementioned first output terminal 34 and the aforementioned second output terminal 35 are connected to the aforementioned circuit board 4 , the aforementioned mounting portion 63 is squeezed and elastically shrinks, so that the aforementioned mounting portion of the fish-eye-shaped mounting portion is compressed. 63 is smoothly inserted into the through hole 41 of the circuit board 4, so as to realize the electrical connection between the conductive terminal 22, the first output terminal 34 and the second output terminal 35 and the circuit board.

The fish-eye-shaped mounting portion further includes a fish-eye hole 64 . The aforementioned fish-eye hole 64 extends from between the two aforementioned elastic members 631 into the aforementioned pin portion 62 , so that the aforementioned mounting portion 63 is in contact with the aforementioned through hole 41 of the aforementioned circuit board 4 . At the same time, the fisheye hole 64 is partially located in the through hole 41 , so that stress concentration and rigid interference can be avoided to damage the through hole 41 and cause the pin portion 62 to break.

Referring to FIGS. 4 to 6 , in the embodiment disclosed in the present invention, the base 21 includes a first base 211 and a second base 212 vertically arranged relative to the first base 211 . The first fixing portion in the first base 211 and the second fixing portion embedded in the second base 212, the first connecting portion 223 extends from the first fixing portion, and the first mounting portion 225 extends from the first fixing portion. The aforementioned second fixing portion extends.

The receiving space 14 includes a mounting groove 141 for mounting the first base 211 and a plurality of connecting grooves 142 for passing the abutting portions 224 of the conductive terminals 22 . The first base 211 of the terminal module 2 is accommodated in the accommodating space 14 The aforementioned mounting slot 141, the aforementioned second base 212 is accommodated in the aforementioned accommodating space 13, the aforementioned docking portion 224 passes through the aforementioned connecting slot 142 and then is accommodated in the aforementioned inserting space 12; the aforementioned filter module 3 is accommodated in the aforementioned accommodating space in space 13.

The housing 31 of the filter module 3 is further provided with an assembly slot 312 and a buckle slot 313 located on both sides of the assembly slot 312. The second base 212 of the terminal module 2 has a buckle protrusion 2123. The second base 212 is installed in the aforementioned assembling slot 312 , and the aforementioned snap-on protrusions 2123 are engaged with the aforementioned snap-fit slot 313 , so that the aforementioned terminal module 2 and the aforementioned filter module 3 are assembled together.

Referring to the drawings, the aforementioned casing 5 is a metal shell, which has an accommodating cavity 51 for accommodating the aforementioned insulating body 1 .

In the embodiment disclosed in the present invention, the conductive terminal 22 and the base 21 can be integrally formed by insert molding. In other embodiments, the conductive terminal 22 and the base 21 can be separately formed. and then assembled together.

In the embodiments disclosed in the present invention, the electrical connector 100 is the RJ45 electrical connector 100 and includes the filter module 3 . In other embodiments, the electrical connector 100 may not include the filter module 3 . In addition, The aforementioned electrical connector 100 may be of other types of connections.

The assembly process of the aforementioned electrical connector 100 in the present invention is as follows: first, the aforementioned terminal module 2 and the aforementioned filter module 3 are assembled together; next, the two are installed into the aforementioned insulating body 1 from the back to the front; The aforementioned casing 5 is sleeved on the periphery of the aforementioned insulating body 1 .

The conductive terminals 22 , the first output terminals 34 and the second output terminals 35 of the electrical connector 100 of the present invention are electrically connected to the circuit board 4 through the fish-eye-shaped mounting portion in a solderless manner, namely The use of flux can be avoided, and it can be simply removed and replaced. It is easy to assemble and has detachability. At the same time, it avoids a lot of equipment, materials and labor input, which can greatly reduce the manufacturing cost.

The above embodiments are only used to illustrate the creation rather than limit the technical solutions described in the creation. The understanding of this specification should be based on those skilled in the art. For example, the directional description of "front", "rear", "left", "right", "up", "down", etc., although the present invention has been described in detail with reference to the foregoing embodiments, but, It should be understood by those of ordinary skill in the art that those skilled in the art can still modify or equivalently replace this creation, and all technical solutions and improvements that do not depart from the spirit and scope of this creation shall be included in the application for this creation within the scope of the patent.

61: Base

62: pin part

63: Assembly Department

631: Elastic

64: Fish eye hole

Claims (10)

An RJ45 connector comprising: insulating body; a terminal module arranged on the aforementioned insulating body; a circuit board electrically connected to the aforementioned terminal module; and The casing covering the insulating body, wherein the terminal module includes a plurality of conductive terminals, the conductive terminals include a first mounting portion connected with the circuit board, and the first mounting portion is fixed in the through hole on the circuit board. Fisheye-shaped mounting part. The RJ45 connector according to claim 1, wherein: the fish-eye-shaped mounting portion comprises a base portion, a pin portion extending out of the circuit board, and a fitting portion connected between the base portion and the pin portion, the fitting portion comprising two An arc-shaped elastic piece. The RJ45 connector according to claim 2, wherein: the fitting portion of the conductive terminal is installed in the through hole. The RJ45 connector according to claim 3, wherein: the arcs of the two elastic members are arranged opposite to each other, and the maximum cross-sectional width of the fitting portion is larger than the diameter of the through hole. The RJ45 connector according to claim 4, wherein: the fish-eye-shaped mounting portion further comprises a fish-eye hole, and the fish-eye hole extends from between the two elastic members into the pin portion. The RJ45 connector according to any one of claims 1-5, further comprising a filter module, the filter module includes a first output terminal and a second output terminal, the first output terminal includes a second mounting portion, the aforementioned The second output terminal includes a third mounting portion, and the second mounting portion and the third mounting portion are connected to the circuit board. The RJ45 connector according to claim 6, wherein the structures of the second mounting portion and the third mounting portion are the same as the first mounting portion. The RJ45 connector according to claim 7, wherein: the terminal module further comprises a base, the conductive terminals are arranged in the base, and the conductive terminals further comprise The fixing portion in the base, the first connecting portion extending from one end of the fixing portion, and the docking portion extending from the first connecting portion, and the first mounting portion is formed by extending from the other end of the fixing portion. The RJ45 connector as claimed in claim 8, wherein: the insulating body comprises a body part, a plug space formed by a rearward depression from the front end of the body part, a receiving space formed by a forward depression from the rear surface of the insulating body, and a communication In the accommodating space between the plug-in space and the accommodating space, the abutting portion passes through the accommodating space and is accommodated in the plug-in space, and the filter module is accommodated in the accommodating space. The RJ45 connector according to claim 9, wherein: the filter module further comprises a casing for accommodating the first output terminal and the second output terminal, the casing is provided with an assembly slot for accommodating the base and a The buckle grooves on both sides of the assembly groove, the base of the terminal module has a buckle protrusion that is buckled with the buckle groove.

Images