CN201440487U - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which can be installed on an external circuit board and can be matched with a butting connector. The electric connector comprises an insulating body, a metal casing and a switch terminal, wherein the metal casing covers the insulating body; the switch terminal is installed on the insulating body; the metal casing and the switch terminal can perform the switch function by inserting and pulling a butting connector; the insulating body comprises a butting connector containing chamber which can be used for the butting connector to be inserted in; and the switch terminal is provided with a butting part which extends into the butting connector containing chamber and a connecting part which is butted with the metal casing. The switch terminal and the metal casing are switched off when the butting connector is not inserted; when being inserted, the butting connector butts with the butting part and drives the connecting part to be butted on the metal casing, thus the circuit in which the metal casing and the switch terminal are positioned is switched on, thereby performing the switch function.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector with a switch structure.

【technical background】

For prior art related to this patent application, please refer to U.S. Patent Application Publication No. 5,772,466 dated June 30, 1998, which discloses an electrical connector that can be mounted on an external circuit board and connected to a butt joint The electrical connector includes an insulating body, a metal shell covering the insulating body, and a detection terminal mounted on the insulating body. The metal shell is integrally formed with a metal shrapnel extending into the receiving cavity of the docking connector. The detection terminal There are mounting feet that can be installed on an external circuit board and a contact end that can be electrically connected to the metal shrapnel. When the docking connector is inserted, the metal shrapnel is pushed against the metal shrapnel so that the metal shrapnel contacts the detection terminal. In this way, the metal shrapnel is connected. The shrapnel and the line where the detection terminal is located achieve the purpose of detecting the butt connector.

In this way, the metal shrapnel and the metal shell are integrally formed, and its elastic performance is determined by the material of the metal shell. After a certain period of use, it is easy to deform, which will easily cause the metal shrapnel to fail to disconnect from the detection terminal when the docking connector is pulled out. Open contact, the performance is not stable enough, affecting the use effect.

【Content of utility model】

The technical problem to be solved by the utility model is to provide an electrical connector with a relatively stable switching function.

In order to solve the above technical problems, the utility model adopts the following technical scheme: an electrical connector, which can be installed on an external circuit board and can be matched with a docking connector. The electrical connector includes an insulating body and a metal covering the insulating body. The shell and the switch terminal installed on the insulating body, the metal shell and the switch terminal can realize the switching function by plugging and unplugging the docking connector. The abutting part of the receiving cavity of the docking connector and the connecting part that can be in contact with the metal shell. When the butt connector is not inserted, the switch terminal is disconnected from the metal shell. The connection part abuts against the metal shell.

Compared with the prior art, the electric connector of the present utility model has the following progress: in this case, when the butt connector is inserted, the switch terminal that is separated from the metal shell is pushed, so that the switch terminal abuts the metal shell, and the metal shell is connected. The line where the body and the switch terminal are located achieves the function of the switch, and there is no need to set a metal shrapnel to realize the switch function, and the metal shell is not easy to deform or degrade in performance. Realize the switching function stably.

【Description of drawings】

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

Fig. 2 is an exploded schematic view of the electrical connector shown in Fig. 1;

Fig. 3 is an exploded schematic diagram of another viewing angle of the electrical connector shown in Fig. 1;

Fig. 4 is a perspective view of a terminal module of the electrical connector shown in Fig. 1;

Fig. 5 is a perspective view of a switch terminal and an insulating body of the electrical connector shown in Fig. 1;

Fig. 6 is a perspective view of the insulating body of the electrical connector shown in Fig. 1;

Fig. 7 is a sectional view along line A-A in Fig. 1;

8 is a perspective view of a second embodiment of the utility model electrical connector;

Fig. 9 is an exploded schematic view of the electrical connector shown in Fig. 8;

Fig. 10 is a perspective view of the insulating body of the electrical connector shown in Fig. 8;

Fig. 11 is a sectional view along line B-B in Fig. 8 .

【Detailed ways】

Please refer to FIGS. 1-3, which discloses an electrical connector 100 according to the first embodiment of the present invention, which can be installed on an external circuit board 1 and can be matched with a mating connector 2. The electrical connector 100 includes an insulating body 3 , a metal shell 4 covering the insulating body 3 , and a terminal module 5 installed on the insulating body 3 .

Please refer to FIG. 27 , the insulating body 3 includes a front end face 30 that can be docked with the docking connector 2 , a rear end face 31 arranged relative to the front end face 30 , an upper side wall 32 extending from the upper and lower sides of the front end face 30 , and a bottom. A wall 33, and left and right side walls 34, 35 extending from the left and right sides of the front end face 30. The insulating housing 3 also includes a mating connector receiving chamber 36 extending from the front face 30 to the rear end face 31 , into which the mating connector 2 can be inserted, two USB ports 37 , and a terminal receiving portion 38 opposite to the front face 30 . A mating terminal receiving groove 380 is formed in a central area of the terminal receiving portion 38 . A mounting groove 350 is formed on the side intersecting the right side wall 35 of the terminal accommodating portion 38 , and two opposite interference grooves 3500 are formed on the upper and lower sides of the mounting groove 350 . The outer side of the right side wall 35 is provided with a slot 351 located at the front side of the installation slot 350 and at the same horizontal position as the installation slot 350 and an ejection slot 352 extending from the front side of the slot 351 to the front end surface 30. The slot 351 is located on the right side of the docking connector receiving cavity 36 . In this embodiment, the slot 351 does not penetrate the left and right sides of the right side wall 35 , of course the slot 351 may also penetrate the left and right sides of the right side wall 35 .

Please refer to FIG. 1 and FIG. 2 , the metal casing 4 includes a front casing 40 and a rear casing 41 . The front casing 40 includes a casing upper sidewall 400 covering the upper sidewall 32 of the insulating body 3 and a casing abutting wall 401 covering the front end surface 30 of the insulating body 3 . The rear housing 41 includes shell left and right side walls 410, 411 covering the left and right side walls 34, 35 of the insulating body 3, a shell rear wall 412 covering the rear end surface 31 of the insulating body 3, and several optional The mounting feet 413 are electrically connected with the external circuit board 1 .

2-7, the terminal module 5 includes a sub-circuit board 50 installed on the rear end surface 31 of the insulating body 3, and an RJ that is electrically connected to the sub-circuit board 50 and accommodated in the accommodating cavity 36 of the docking connector. The terminal 51 , the USB terminal 52 housed in the USB interface 37 provided separately from the sub-circuit board 50 , and the switch terminal 53 provided separately from the sub-circuit board 50 . The switch terminal 53 includes a mounting portion 530 with one end elongated and capable of being mounted on the external circuit board 1 , and an abutment portion 531 extending from the mounting portion 530 protruding toward the mating connector 2 and extending into the mating connector receiving cavity 36 And a connecting portion 532 protruding from the abutting portion 531 in a direction away from the mating connector 2 and capable of abutting against the right side wall 411 of the housing. One end of the mounting part 530 is mounted on the external circuit board 1. The mounting part 530 includes a mounting end 5300 that can be mounted on the external circuit board 1 and a holding part 5301 extending from the mounting end 5300 to connect the abutting part 531. The mounting end 5300 includes a The elongated mounting feet 5302 that can be mounted on the external circuit board 1 and the transition portion 5303 extending from the mounting feet 5302 to connect the holding portion 5301 . The holding portion 5301 is provided with a barb 5304 , the holding portion 5301 is installed in the mounting groove 350 , and the barb 5304 is accommodated in the interference groove 3500 on the mounting groove 350 and interferes with the interference groove 3500 to hold the switch terminal 53 . The abutting portion 531 is provided with an arc-shaped first contacting portion 5310 capable of abutting against the mating connector 2 . The connecting portion 532 is accommodated in the slot 351 , and includes an arc-shaped second contact portion 5320 capable of abutting against the metal housing 4 . In this embodiment, when the docking connector 2 is not inserted, the connecting portion 532 is not in contact with the right side wall 411 of the shell; when the docking connector 2 is inserted, the abutting portion 531 interferes with the side of the docking connector 2, A contact part 5310 moves to the outside of the electrical connector 100 under the push of the docking connector 2, and drives the second contact part 5320 of the connecting part 532 to move to the outside of the electrical connector 100 and abuts against the right side of the shell through the slot 351. On the side wall 411, the circuit where the switch terminal 53 is located is connected with the circuit where the metal case 4 is located, so as to realize the function of the switch.

In this embodiment, the abutting portion 531 and the connecting portion 532 are arranged on the right side of the electrical connector 100 , of course, the abutting portion 531 and the connecting portion 532 can also be transferred to the left side of the electrical connector 100 or the electrical connector 100 The abutment portion 531 and the connecting portion 532 are arranged on the left and right sides of the left and right sides, and the switch function can also be realized; of course, the switch terminal 53 can also be connected to the sub-circuit board 50 first, and then connected to the external circuit board 1 through the sub-circuit board 50. The function of the switch can be realized.

In this embodiment, the slot 351 has the function of providing a space between the connection part 532 and the metal shell 4. When the docking connector 2 is inserted, the connection part 532 can be realized by the space provided by the slot 321. Connect with the metal shell 4.

2 and 5, for the electrical connector 100, the switch terminal 53 is installed on the insulating body 3, the holding part 5301 is accommodated in the installation groove 350, and the barb 5304 is accommodated in the interference groove 3500 and interferes with the interference groove 3500. fit to hold the switch terminal 53. When the butt connector 2 is inserted, the abutting portion 531 is in interference fit with the butt connector 2, and the abutment portion 531 moves to the outside of the electrical connector 100 under the push of the butt connector 2, driving the connecting portion 532 toward the electrical connector 100. The outer side of the switch moves and abuts against the metal shell 4 through the slot 351, thereby connecting the line where the switch terminal 53 is located with the line where the metal shell 4 is, and realizing the function of the switch.

Please refer to FIGS. 8-11, which disclose an electrical connector 100' according to the second embodiment of the present invention, which can be installed on an external circuit board 1, and can be matched with a mating connector 2 for electrical connection. The device 100' includes an insulating body 3', a metal shell 4' covering the insulating body 3', and a terminal module 5' mounted on the insulating body 3'.

Please refer to Figures 8-11, the insulating body 3' includes a front face 30' that can be docked with the mating connector 2, and a rear end face 31' that is arranged relative to the front face 30' extends from the upper and lower sides of the front face 30'. The upper side wall 32', the bottom wall 33', and the left and right side walls 34', 35' extending from the left and right sides of the front face 30'. The insulating body 3' also includes a mating connector receiving chamber 36' extending from the front face 30' to the rear end face 31' for inserting the mating connector 2, two USB interfaces 37' and a terminal receiving portion opposite to the front face 30' 38'. A mating terminal receiving groove 380' is formed in a central area of the terminal receiving portion 38'. On the side of the terminal accommodating portion 38' that is close to the upper side wall 32', there is a mounting groove 320' through the front and back, and the left and right sides of the mounting groove 320' are provided with interference grooves 3200'. The outer side of the upper side wall 32' is provided with a slot 321' located on the upper side of the installation slot 320' and extending from the rear end surface 31' to the front end surface 30'.

Please refer to FIG. 8 and FIG. 9, the metal shell 4' includes a front shell 40' and a rear shell 41'. The front housing 40' includes a shell upper side wall 400' covering the upper side wall 32' of the insulating body 3' and a shell abutting wall 401' covering the front end surface 30' of the insulating body 3'. The rear housing 41' includes shell left and right side walls 410', 411' covering the left and right side walls 34', 35' of the insulating body 3', and covering the rear end surface 31' of the insulating body 3'. The housing rear wall 412 ′, and several mounting feet 413 ′ that can be electrically connected with the external circuit board 1 .

Please refer to FIG. 811, the terminal module 5' includes a sub-circuit board 50' installed on the rear end surface 31' of the insulating body 3', and the sub-circuit board 50' is electrically connected to the docking connector receiving cavity 36. The RJ terminal 51' in ', the USB terminal 52' housed in the USB interface 37' separated from the sub-circuit board 50', the switch terminal 53' installed on the upper side of the sub-circuit board 50' and the connection sub-circuit board 50' The transition part 54' with the external circuit board 1. The switch terminal 53' is connected to the circuit of the external circuit board 1 through the sub-circuit board 50' and the transfer part 54'. The abutment portion 531' extended and extended into the accommodating cavity 36' of the docking connector, and the abutting portion 531' protruding from the abutment portion 531' in a direction away from the docking connector 2 can abut against the upper side wall 400' of the shell. The connecting portion 532'. The mounting part 530' includes a mounting foot 5300' installed on the sub-circuit board 50' and a holding part 5301' extended from the mounting foot 5300' and installed in the mounting groove 320'. The holding part 5301' is provided with the mounting groove 320' The interference groove 3200' interferes with the barb 5302'. The abutting portion 531' is provided with a substantially horizontal straight portion 5310' extending from the mounting portion 530' and a guiding portion 5311' bent from the straight portion 5310' and extending upward. The connecting portion 532' extends from the guiding portion 5311' and is partially accommodated in the slot 321', which includes an arc-shaped second contact portion 5320' that can abut against the metal shell 4'. In this embodiment, when the docking connector 2 is not inserted, the connection part 532' is not in contact with the upper side wall 400' of the shell; when the docking connector 2 is gradually inserted, the abutting part 531' interferes with the docking connector 2 , the top surface of the mating connector 2 abuts against the straight portion 5310 ′ along the guiding portion 5311 ′, and the mating connector 2 pushes the abutting portion 531 ′ to move to the outside of the electrical connector 100 ′, and at the same time drives the connecting portion 532 'The second contact part 5320' moves to the outside of the electrical connector 100' and abuts against the upper side wall 400' of the shell through the slot 321', so that the circuit where the switch terminal 53' is located and the metal shell 4' are located The circuit is connected to realize the function of the switch.

In this embodiment, the slot 321' runs through the upper and lower sides of the upper side wall 32'. Of course, the slot 321' may not run through the upper and lower sides of the upper side wall 32'. The slot 351' has the function of providing a connection The function of the space between the part 532' and the metal shell 4', when the docking connector 2' is inserted, the connecting part 532' is connected to the metal shell 4' through the space movement provided by the slot 321'.

In this embodiment, the switch terminal 53' can also be directly connected to the external circuit board 1 without passing through the sub-circuit board 50', and the switch function can also be realized.

Please refer to FIGS. 8-11, for the electrical connector 100', the switch terminal 53' is installed on the sub-circuit board 50'. The installation part 530' is installed in the installation groove 320' to hold the switch terminal 53'. When the docking connector 2 is inserted, the abutting portion 531' interferes with the docking connector 2, and the abutting portion 531' moves to the outside of the electrical connector 100' under the push of the docking connector 2, driving the connecting portion 532' to The outer side of the electrical connector 100' moves and abuts against the metal shell 4' through the slot 321', thereby connecting the circuit where the switch terminal 53' is located with the circuit where the metal shell 4' is located, realizing the function of the switch.

Claims (10)

1. electric connector, it can be installed on the external circuit board, and can cooperate with butt connector, electric connector comprises insulating body, the metal shell of coated insulation body and be installed on the switch terminal of insulating body, metal shell and switch terminal can utilize the plug of butt connector to realize switching function, insulating body comprises can be for the butt connector host cavity of butt connector insertion, it is characterized in that: switch terminal be provided with the abutting part that extends into the butt connector host cavity and can with the connecting portion of metal shell butt, switch terminal and metal shell did not disconnect when butt connector inserted, butt connector pushes abutting part when inserting, and the drive connecting portion is connected on the metal shell.

2. electric connector as claimed in claim 1 is characterized in that: the outside of insulating body is provided with fluting, and connecting portion was connected on the metal shell by fluting when butt connector inserted.

3. electric connector as claimed in claim 2, it is characterized in that: insulating body comprises that the front end face that can dock with butt connector reaches from the extended sidewall in the left and right sides of front end face, described fluting is arranged on the described sidewall, and connecting portion to small part is contained in fluting.

4. electric connector as claimed in claim 2 is characterized in that: switch terminal is provided with the installation portion that can be installed on the external circuit board.

5. electric connector as claimed in claim 4 is characterized in that: abutting part connection portion and connecting portion.

6. electric connector as claimed in claim 4, it is characterized in that: insulating body comprises and can reach the terminal accommodating portion relative with front end face with the front end face of butt connector butt joint, terminal accommodating portion is provided with mounting groove, and described installation portion comprises that the installation end that can be installed on the external circuit board reaches from the extended holding parts that is installed on mounting groove of installation end.

7. electric connector as claimed in claim 2 is characterized in that: insulating body comprises that the front end face that can dock with butt connector reaches from the extended upper side wall of the upside of front end face, and described fluting is arranged at described upper side wall.

8. electric connector as claimed in claim 2 is characterized in that: electric connector comprises the sub-circuit board that is installed on insulating body, and switch terminal is provided with the installation portion that an end is installed on sub-circuit board.

9. electric connector as claimed in claim 8 is characterized in that: abutting part connection portion and connecting portion.

10. electric connector as claimed in claim 8 is characterized in that: insulating body comprises the terminal accommodating portion relative with front end face, and terminal accommodating portion is provided with mounting groove, and installation portion comprises the holding parts that is installed on mounting groove.

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