CN215681034U

CN215681034U - Electric connector

Info

Publication number: CN215681034U
Application number: CN202121686479.0U
Authority: CN
Inventors: 张彬; 万佳美
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-28
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an electrical connector, which belongs to the technical field of connectors. The electrical connector includes a shielding shell, an insulating shell arranged in the shielding shell, and a terminal module set in the insulating shell. The terminal module includes a mould shell, a first terminal group, a second terminal group and a circuit board. The mold shell and the first terminal group are integrally formed by injection molding, the two ends of the first terminal group respectively protrude from the first side surface and the second side surface of the mold shell, and the mold shell is connected to the insulating housing; One end of the two side surfaces is located in the middle of the second side surface; the second terminal group is connected to the mold case and is located on one side of the mold case, and one end of the second terminal group protrudes from the first side surface; the circuit board is arranged on the first side surface, and It is respectively connected with one end of the first terminal group and one end of the second terminal group protruding from the first side surface. The utility model can improve the installation precision of the terminal and improve the safety of use.

Description

Electric connector

Technical Field

The utility model relates to the technical field of connectors, in particular to an electric connector.

Background

The RJ45 connector is a common interface device in network equipment, and is used to connect network cables and network equipment. The mould shell of the terminal module of the existing RJ45 connector generally adopts bakelite materials, the terminal is fixed on the mould shell in a plugging mode, the position precision of the terminal installation is low, and the connector can be short-circuited in the using process, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric connector which can improve the mounting precision of a terminal and improve the use safety.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an electrical connector comprising a shielding shell, an insulative housing disposed within the shielding shell, and a terminal module disposed within the insulative housing, the terminal module comprising:

the insulating housing comprises a mold shell and a first terminal set, wherein the mold shell and the first terminal set are integrally formed through injection molding, two ends of the first terminal set respectively protrude out of a first side face and a second side face of the mold shell, and the mold shell is connected in the insulating housing; one end of the first terminal group protruding out of the second side surface is positioned in the middle of the second side surface;

the second terminal group is connected to the formwork and located on one side of the formwork, and one end of the second terminal group protrudes out of the first side face; and

and the circuit board is arranged on the first side surface and is respectively connected with one end of the first terminal group and one end of the second terminal group, which protrude out of the first side surface.

Optionally, the first terminal group includes a plurality of first terminals a and a plurality of first terminals b, the plurality of first terminals a and the plurality of first terminals b are arranged in a staggered manner, one end of the first side surface of the plurality of first terminals a and one end of the first side surface of the plurality of first terminals b are arranged in a row, one end of the second side surface of the plurality of first terminals a and one end of the second side surface of the plurality of first terminals b are arranged in two rows at intervals.

Optionally, each of the first terminals a and each of the first terminals b are disposed in a Z-shape.

Optionally, the second terminal set includes a plurality of second terminals arranged and a plastic part, the plastic part and the plurality of second terminals are integrally formed by injection molding, and the plastic part is connected to the mold shell.

Optionally, the plastic part includes a first plastic body and a second plastic body, the first plastic body and the second plastic body are disposed on the second terminal at an interval, and the second plastic body is connected to the mold shell.

Optionally, one side of the formwork is provided with two mounting seats at intervals in a protruding manner, two opposite side faces of the mounting seats are respectively provided with a first sliding groove, two opposite side faces of the second plastic body are respectively provided with a first protrusion, and each first protrusion is clamped in one first sliding groove.

Optionally, the second plastic body and the mounting seat are provided with limiting structures, and the limiting structures can limit the position of the first protrusion relative to the first sliding groove.

Optionally, the second terminal is including the contact segment, linkage segment and the welding segment that connect gradually, the welding segment connect in the circuit board, the linkage segment with the welding segment is L shape setting, the contact segment with the linkage segment is kept away from form the contained angle between the one end of welding segment and is a, and wherein, 0 is < a < 90 °.

Optionally, two opposite inner walls of the insulating housing are respectively provided with a second sliding groove, two opposite side surfaces of the formwork are respectively provided with a second protrusion, and each second protrusion is clamped in one second sliding groove.

Optionally, the terminal module further includes a third terminal set, the third terminal set includes a plurality of third terminals, one end of each of the plurality of third terminal sets is disposed in the mold casing, and the other end of each of the plurality of third terminal sets is connected to the circuit board.

The utility model has the beneficial effects that:

according to the utility model, the formwork and the first terminal set are integrally formed by injection molding, and the first terminal set is relatively inserted into the mounting hole on the formwork, so that the mounting precision of the first terminal set can be improved, and the assembling procedures are reduced; one end of the first terminal group is connected to the circuit board, one end of the first terminal group, which protrudes out of the second side surface, is used for being connected to network equipment, and one end of the first terminal group, which is positioned on the second side surface, is arranged in the middle of the second side surface, so that one end of the first terminal group, which protrudes out of the second side surface, is far away from the shielding shell, short circuit between the first terminal group and the shielding shell can be avoided, and potential safety hazards of the electric connector in the using process are reduced.

Drawings

Fig. 1 is a perspective view of a first perspective of an electrical connector provided in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of an electrical connector provided in accordance with an embodiment of the present invention;

fig. 3 is a perspective view of a terminal module according to an embodiment of the present invention;

fig. 4 is an exploded view of a terminal module according to an embodiment of the present invention;

fig. 5 is a perspective view of an electrical connector according to an embodiment of the present invention from a second perspective;

FIG. 6 is an exploded view of a formwork, a first terminal set and a third terminal set according to an embodiment of the present invention.

In the figure:

1. a shielding housing;

2. an insulating housing; 21. a second chute;

3. a terminal module; 31. a formwork; 311. a first side surface; 312. a second side surface; 313. a mounting seat; 3131. a first chute; 3132. a second step surface; 314. a second protrusion; 32. a first terminal set; 321. a first terminal a; 321', a first terminal b; 3211. a first stage; 3212. a second stage; 3213. a third stage; 33. a second terminal group; 331. a second terminal; 3311. a contact section; 3312. a connecting section; 3313. welding a section; 332. a plastic part; 3321. a first plastic body; 3322. a second plastic body; 33221. a first protrusion; 33222. a first step surface; 34. a circuit board; 35. a third terminal group; 351. and a third terminal.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

The present embodiment provides an electrical connector, as shown in fig. 1, 2, 3 and 5, which includes a shield shell 1, an insulating housing 2 disposed inside the shield shell 1, and a terminal module 3 disposed inside the insulating housing 2. The terminal module 3 includes a mold 31, a first terminal set 32, a second terminal set 33 and a circuit board 34. The mold shell 31 and the first terminal set 32 are integrally formed by injection molding, two ends of the first terminal set 32 respectively protrude from the first side 311 and the second side 312 of the mold shell 31, and the mold shell 31 is connected in the insulating housing 2. One end of the second terminal set 33 protruding from the second side surface 312 is located in the middle of the second side surface 312. The second terminal set 33 is connected to the mold casing 31 and located at one side of the mold casing 31, and one end of the second terminal set 33 protrudes out of the first side 311. The circuit board 34 is disposed on the first side 311, and is connected to one end of the first terminal set 32 and one end of the second terminal set 33 protruding from the first side 311.

In this embodiment, the mold shell 31 is integrally formed on the first terminal set 32 by injection molding, and the first terminal set 32 is relatively inserted into the mounting hole of the mold shell 31, so that the mounting accuracy of the first terminal set 32 can be improved, and the assembling process is reduced. One end of the first terminal set 32 is connected to the circuit board 34, one end of the first terminal set 32 protruding from the second side surface 312 is used for connecting to a network device, and one end of the first terminal set 32 located on the second side surface 312 is arranged in the middle of the second side surface 312, so that one end of the first terminal set 32 protruding from the second side surface 312 is far away from the shielding shell 1, thereby avoiding a short circuit between the first terminal set 32 and the shielding shell 1, and reducing the potential safety hazard of the electrical connector in the use process.

In detail, the distance from one end of the first terminal set 32 located on the second side 312 to the edge of the second side 312 can be set by one skilled in the art according to the area of the second side 312 and the number and distribution of the terminals of the first terminal set 32, and is not limited herein.

As shown in fig. 3, 4, and 6, the first terminal group 32 includes a plurality of first terminals a321 and a plurality of first terminals b321 ', the plurality of first terminals a321 and the plurality of first terminals b 321' are arranged in a staggered manner, the ends of the plurality of first terminals a321 and the plurality of first terminals b321 'located on the first side 311 are arranged in a row, the ends of the plurality of first terminals a321 located on the second side 312 and the ends of the plurality of first terminals b 321' located on the second side 312 are arranged in two rows at intervals, so that the solder points of the first terminal group 32 and the network device can be discrete, thereby the heat generating points during soldering are not concentrated, the damage to the network device during soldering is reduced, and the connection stability of the electrical connector and the network device in this embodiment can be improved.

Further, as shown in fig. 6, each first terminal a321 and each first terminal b 321' are arranged in a Z-shape. In detail, the first terminal a321 and the first terminal b 321' each include a first segment 3211, a second segment 3212, and a third segment 3213, which are sequentially connected, the first segment 3211 is connected to the circuit board 34, and the third segment 3213 is used for connecting to a network device. In detail, the lengths of the second segments 3212 of the first terminals a321 and the first terminals b321 'are different, so that the ends of the first terminals a321 and the first terminals b 321' at the second side 312 can be arranged in two rows at intervals. In some alternative embodiments, the angle between the first segment 3211 and the second segment 3212 is 90 degrees, and the first segment 3211 and the second segment 3212 are in a circular arc transition, the angle between the second segment 3212 and the third segment 3213 is 90 degrees, and the first segment 3211 and the second segment 3212 are in a circular arc transition.

In order to facilitate the connection between the second terminal set 33 and the mold 31, as shown in fig. 2 to fig. 4, the second terminal set 33 includes a plurality of second terminals 331 arranged in an array and a plastic part 332, the plastic part 332 and the plurality of second terminals 331 are integrally formed by injection molding, and the plastic part 332 is connected to the mold 31. It can be understood that the second terminals 331 and the plastic part 332 are integrally formed by injection molding, and the plurality of second terminals 331 can be simultaneously connected to the mold shell 31 through the plastic part 332 without connecting each second terminal 331, thereby reducing the number of manufacturing processes and improving the installation efficiency of the second terminals 331.

Further, the plastic part 332 includes a first plastic body 3321 and a second plastic body 3322, and the first plastic body 3321 and the second plastic body 3322 are disposed on the second terminal 331 at an interval, so that the connection stability of the second terminal 331 is improved. The second plastic body 3322 is connected to the mold 31, so as to fix the second terminal 331.

In order to facilitate the connection between the second plastic body 3322 and the mold shell 31, as shown in fig. 3, 4 and 6, two mounting seats 313 are protruded from one side of the mold shell 31 at intervals, two opposite side surfaces of the two mounting seats 313 are respectively provided with a first sliding groove 3131, two opposite side surfaces of the second plastic body 3322 are respectively provided with a first protrusion 33221, and each first protrusion 33221 is respectively clamped in one first sliding groove 3131. Of course, in other embodiments, the first protrusion 33221 may be disposed on the mounting seat 313, and the first sliding groove 3131 may be disposed on the second plastic body 3322, which is not limited herein.

In order to facilitate the second plastic body 3322 to be quickly mounted in place, the second plastic body 3322 and the mounting seat 313 are provided with a limiting structure, and the limiting structure can limit the position of the first protrusion 33221 relative to the first sliding groove 3131. In some alternative embodiments, the limiting structure includes a first step surface 33222 disposed on the second plastic body 3322 and a second step surface 3132 disposed on the mounting seat 313, and when the second plastic body 3322 is connected to the mounting seat 313, the first step surface 33222 can abut against the second step surface 3132, so that the limiting of the second plastic body 3322 can be achieved.

As shown in fig. 3 and 4, the second terminal 331 includes a contact section 3311, a connection section 3312, and a soldering section 3313 connected in sequence, the soldering section 3313 is connected to the circuit board 34, the connection section 3312 and the soldering section 3313 are disposed in an L shape, and an angle a is formed between the contact section 3311 and an end of the connection section 3312 away from the soldering section 3313, wherein 0 ° < a < 90 °, and preferably 30 ° < a < 60 ° in the present embodiment, which can facilitate connection of the contact portion and the terminal of the connector to be mated with the connector in the present embodiment. In detail, the first plastic body 3321 and the second plastic body 3322 are respectively disposed at both sides of the connecting section 3312 and the welding section 3313, which can facilitate bending of the connecting section 3312 and the welding section 3313.

As shown in fig. 2 and fig. 3, two opposite inner walls of the insulating housing 2 are respectively provided with a second sliding groove 21, two opposite side surfaces of the mold shell 31 are respectively provided with a second protrusion 314, each second protrusion 314 is clamped in one second sliding groove 21, and through the cooperation of the second sliding groove 21 and the second protrusion 314, the insulating housing 2 and the mold shell 31 can be conveniently connected, and the connection stability of the terminal module 3 is improved. Of course, in other embodiments, the second protrusion 314 may be disposed on the inner wall of the insulating housing 2, and the second sliding groove 21 may be disposed on the mold shell 31, which is not limited herein.

As shown in fig. 3, 4 and 6, the terminal module 3 in this embodiment further includes a third terminal set 35, the third terminal set 35 includes a plurality of third terminals 351, one end of each of the plurality of third terminals 351 is respectively disposed in the mold shell 31, and the other end is respectively connected to the circuit board 34.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. An electrical connector comprising a shielding casing (1), an insulating casing (2) arranged in the shielding casing (1) and a terminal module (3) arranged in the insulating casing (2) ), is characterized in that, described terminal module (3) comprises:

A mold shell (31) and a first terminal group (32), the mold shell (31) and the first terminal group (32) are integrally formed by injection molding, and both ends of the first terminal group (32) are respectively convex Out of the first side (311) and the second side (312) of the mold shell (31), the mold shell (31) is connected in the insulating housing (2); the first terminal group ( 32) one end protruding from the second side surface (312) is located in the middle of the second side surface (312);

A second terminal group (33) is connected to the mold case (31) and is located on one side of the mold case (31), and one end of the second terminal group (33) protrudes from the first side surface (311); and

A circuit board (34) is provided on the first side surface (311), and is connected with one end of the first terminal group (32) protruding from the first side surface (311) and the second terminal group ( 33) are respectively connected at one end.

2. The electrical connector according to claim 1, wherein the first terminal group (32) comprises a plurality of first terminals a (321) and a plurality of first terminals b (321'), and a plurality of the first terminals (321') A terminal a (321) and a plurality of the first terminals b (321') are arranged in a staggered arrangement, and a plurality of the first terminals a (321) and a plurality of the first terminals b (321') are located on the first side surface One end of (311) is arranged in a row, a number of the first terminals a (321) are located at one end of the second side (312) and a number of the first terminals b (321') are located on the second side (321'). 312) are arranged in two rows at intervals.

3. The electrical connector according to claim 2, wherein each of the first terminals a (321) and each of the first terminals b (321') are arranged in a Z shape.

4. The electrical connector according to claim 1, wherein the second terminal group (33) comprises a plurality of second terminals (331) and plastic parts (332) arranged in an array, and the plastic parts (332) ) and a plurality of the second terminals (331) are integrally formed by injection molding, and the plastic parts (332) are connected to the mold shell (31).

5. The electrical connector according to claim 4, wherein the plastic part (332) comprises a first plastic body (3321) and a second plastic body (3322), the first plastic body (3321) The second plastic body (3322) is spaced apart from the second terminal (331), and the second plastic body (3322) is connected to the mold shell (31).

6 . The electrical connector according to claim 5 , wherein two mounting seats ( 313 ) are protruded from one side of the mold shell ( 31 ) at intervals, and the two mounting seats ( 313 ) are opposite to each other. 7 . First chute (3131) is respectively opened on the two sides of the second plastic body (3322), first protrusions (33221) are respectively provided on the two opposite sides of the second plastic body (3322), each of the first protrusions (33221). 33221) is snapped into one of the first chute (3131).

7. The electrical connector according to claim 6, wherein a limiting structure is provided on the second plastic body (3322) and the mounting seat (313), and the limiting structure can limit the second plastic body (3322) and the mounting seat (313). The position of a protrusion (33221) relative to the first chute (3131).

8. The electrical connector according to claim 4, wherein the second terminal (331) comprises a contact segment (3311), a connection segment (3312) and a welding segment (3313) connected in sequence, and the welding The segment (3313) is connected to the circuit board (34), the connection segment (3312) and the soldering segment (3313) are arranged in an L shape, the contact segment (3311) and the connection segment (3312) An included angle a is formed between the ends away from the welding segment (3313), wherein 0°<a<90°.

9 . The electrical connector according to claim 1 , wherein two opposite inner walls of the insulating shell ( 2 ) are respectively provided with second sliding grooves ( 21 ), and the mold shells ( 31 ) are opposite to each other. 10 . Two side surfaces are respectively provided with second protrusions (314), and each of the second protrusions (314) is clamped in one of the second sliding grooves (21).

10. The electrical connector according to any one of claims 1-9, wherein the terminal module (3) further comprises a third terminal group (35), the third terminal group (35) A plurality of third terminals (351) are included, one end of the plurality of the third terminal groups (35) is respectively disposed in the mold case (31), and the other end is respectively connected to the circuit board (34).