TWI583071B - Electrical connector and engagment and disconnection methods thereof - Google Patents

Description

Electrical connector and method for fixing and fixing same

The present invention relates to an electrical connector, and more particularly to a wire-to-board electrical connector that can be vertically fixed or unsecured by an elastic device, and a method of combining and separating the same.

With the advent of the technological age, a wide variety of electronic products are constantly evolving. While the requirements of related devices are required to be improved, the requirements for the stability of electronic components are relatively increased to accommodate higher electrical performance and increasingly complex environments, and the connectors are mainly used as connections and signal transmission between electronic products. An important medium.

Wire-to-board connectors have been widely used in various types of mobile communication devices and various types of personal terminal devices to realize signal or power connection and transmission between functional devices and motherboards within such devices. The conventional wire-to-board connector assembly generally includes a plug connector and a socket connector, and the direction in which the wire-to-board connector combination plug connector is inserted can be divided into horizontal insertion and vertical insertion. Wherein, the horizontal insertion mode means that the plug connector is inserted into the socket connector in a direction parallel to the substrate, and the vertical insertion mode means that the socket connector is inserted into the socket connector from top to bottom in a direction perpendicular to the substrate. The vertical insertion method saves the space for insertion, but because of the height limitation, the insertion depth is short, making the quality of the connection less stable. The current vertical plug-in-to-board connector usually has a buckle on the plastic connector body of the socket connector and the plug connector to increase the holding force of the plug connector itself to prevent the plug connector from being detached, but the card The buckle provides limited holding power and the plug connector is accelerated by gravity (eg It may still be detached when it falls to the ground, and the signal or power supply contacts are not connected.

Therefore, how to strengthen the structure of the plug connector and the socket connector to prevent the inadvertent force (such as falling off the ground) is not easy to separate and avoid damage, which is still a problem to be solved.

It is an object of the present invention to provide an electrical connector in which the elastic means can be vertically coupled or fixed.

It is still another object of the present invention to provide an electrical connector that is easy to handle when the plug connector and the receptacle connector are combined and separated.

Another object of the present invention is to provide a method of combining and fixing an electrical connector.

An electrical connector that meets the above objectives includes: a plug connector that is coupled to a cable and has a first insulative housing and at least one first fastening portion, wherein the first insulative housing has a front end surface, a rear end surface extending from the cable and the two side walls to provide the first fastening portion; and a socket connector disposed on the circuit board and having a second insulating body, a plurality of conductive terminals, and at least a second And a second side of the main wall portion The accommodating space of the plug connector is disposed on the two side arm portions to correspond to the first fastening portion in the accommodating space, and the elastic arm is also disposed in the accommodating space When the plug connector is vertically inserted into the socket connector, the front end surface of the plug connector may press the elastic arm to be elastically deformed toward the main wall portion, and then return to the plug connector by the restoring force of the elastic arm. End face, making the first buckle The second portion of the buckle latch portion close When the plug connector is loosened from the socket connector, the front end surface of the plug connector may also press the elastic arm to be elastically deformed toward the main wall portion to gradually disengage the first fastening portion. The fastening of the second fastening portion.

Another type of electrical connector that achieves the above-mentioned purpose is that a cable connector is vertically fastened in an accommodating space, and the accommodating space is connected to at least a main wall portion of the main body of the electrical connector The opposite side arm portion of the wall portion is configured, wherein the main wall portion can receive a plurality of conductive terminals, and the opposite side arm portion can be provided with a fastening portion that buckles the cable connector, and includes a resilient arm in the receiving space When the cable connector is fastened, the elastic arm is first elastically deformed to be fastened, and then the restoring force of the elastic arm is used to make the cable connector tightly fastened; and when the cable is loosened When the connector is connected, the elastic arm is also elastically deformed first to release the buckle.

The elastic arm is disposed on the main wall portion, and the elastic arm is integrally formed on the main wall portion.

The elastic arm is disposed on the main wall portion, and the elastic arm is assembled on the main wall portion in a combined manner.

The elastic arm is a metal piece.

The lower end of the front end surface of the plug connector has an oblique angle, and the upper end of the elastic arm of the socket connector has a guiding portion.

A method for bonding and fixing an electrical connector that achieves the above object, comprising the steps of: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion, Defining an accommodating space, the main wall portion can accommodate a plurality of conductive terminals, and the opposite side arm portion can be provided with a plurality of grooves and a plurality of fastening portions, and an elastic device is disposed in the accommodating space; providing a cable connection , having a plurality of fastening portions and a plurality of grooves, respectively Corresponding to the plurality of grooves and the fastening portions of the electrical connector; the cable connector is coupled to the electrical connector in a vertical manner, and the front end surface of the cable connector is pressed against the elastic device, and is generated a restoring force; the restoring force generated by the elastic device is pushed back to the front end surface of the cable connector during the bonding process; and the plurality of fastening portions and the plurality of grooves of the cable connector are The plurality of grooves of the electrical connector and the plurality of fastening portions are closely fastened.

A method for unfastening an electrical connector that achieves the above object includes the steps of: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion Defining an accommodating space, the main wall portion can accommodate a plurality of conductive terminals, and the opposite side arm portion can be provided with a plurality of grooves and a plurality of fastening portions, and an elastic device is disposed in the accommodating space; providing a cable connection The device has a plurality of fastening portions and a plurality of recesses, which are respectively fastened to the plurality of recesses and the plurality of fastening portions of the electrical connector; a thrust is applied to the cable connector to make the cable connector One of the front end faces presses the elastic device, and the elastic device is elastically deformed toward the main wall portion at the same time, and at the same time, the fastening portions of the cable connector are correspondingly connected with the fastening portions of the electrical connector. Loosing; and, the cable connector is separated from the electrical connector in a substantially vertical direction.

100, 100’‧‧‧ electrical connectors

1‧‧‧ plug connector

2‧‧‧Socket connector

3‧‧‧ cable

10‧‧‧First Insulation Body

11‧‧‧First fastening

12‧‧‧ front end

13‧‧‧ rear end face

14‧‧‧ side wall

15‧‧‧First groove

16‧‧‧ oblique angle

17‧‧‧ Third fastening

18‧‧‧ third groove

20‧‧‧Second insulation body

21‧‧‧Multiple conductive terminals

22‧‧‧Second Fastener

23, 23’‧‧‧ resilient arm

24‧‧‧Main wall

25‧‧‧ lateral arm

26‧‧‧ accommodating space

27‧‧‧second groove

28‧‧‧ Guidance Department

29‧‧‧fourth fastening

30‧‧‧fourth groove

S101~S105‧‧‧Steps

S201~S204‧‧‧Steps

The first figure shows an exploded perspective view of the electrical connector of the present invention.

The second figure shows a combined perspective view of the electrical connector of the present invention.

3A to 3D are diagrams showing the operation of the electrical connector of the present invention in the first diagram along the line A-A when combined and fixed.

4A to 4C are views showing the operation of the first embodiment of the electrical connector of the present invention taken along the line A-A when the electrical connector is unfastened.

The fifth drawing shows an exploded perspective view of another embodiment of the electrical connector assembly of the present invention.

Fig. 6 is a flow chart showing the method of bonding and fixing the electrical connector of the present invention.

Fig. 7 is a flow chart showing the method of releasing the electrical connector of the present invention.

While the invention has been described with reference to the preferred embodiments of the present invention, it is understood that those skilled in the art can modify the invention described herein while achieving the effect of the invention. Therefore, it is to be understood that the foregoing description is a broad disclosure of those skilled in the art and is not intended to limit the invention.

Referring to the first figure, an exploded perspective view of the electrical connector of the present invention is shown. The electrical connector 100 of the present invention comprises: a plug connector 1 , which is connected to a cable 3 and has a first insulative housing 10 and at least one first fastening portion 11 , wherein the first insulative housing 10 has a front end a rear surface 13 extending from the cable 3 and the two side walls 14 to provide the first fastening portion 11; and a socket connector 2 disposed on a circuit board (not shown) and having a a second insulative housing 20, a plurality of conductive terminals 21, at least one second fastening portion 22, and at least one resilient arm 23, wherein the second insulative housing 20 is provided with a main wall portion 24 and each side of the main wall portion 24 The extending side arm portion 25 defines a receiving space 26 for receiving the plug connector 1 , and the second fastening portion 22 is disposed on the two side arm portions 25 . The first fastening portion 11 is disposed in the accommodating space 26 , and the elastic arm 23 is disposed in the accommodating space 26 and disposed on the main wall portion 24 .

Please refer to the first figure. In this embodiment, the first fastening part 11 is An L-shaped hook has a horizontal portion, and the first side of the first insulative housing 10 is further provided with a first recess 15 . The horizontal portion of the first fastening portion 11 protrudes from the first recess 15 . The second fastening portion 22 has an inverted L-shaped hook and has a horizontal portion, and the second insulating body 20 further has a second recess 27 on the two sides of the second insulating body 20, and the second fastening portion 22 The horizontal portion protrudes from the second recess 27; the lower end of the front end surface 12 of the plug connector 1 has an oblique angle 16, and the upper end of the elastic arm 23 of the receptacle connector 2 has a guiding portion 28 ( Please refer to the third figure and the fourth figure), and in the embodiment, the elastic arm 23 of the socket connector 2 is integrally formed on the main wall portion 24.

In the present embodiment, the plug connector 1 of the electrical connector 100 of the present invention is a cable connector, and the plug connector 1 further has a third fastening portion 17 and a third recess 18, the third The fastening portion 17 is also disposed on the two sides of the first insulative housing 10 and also has an L-shaped hook and has a horizontal portion. The horizontal portion of the third fastening portion 17 protrudes from the third recess 18 . Similarly, the socket connector 2 is also provided with a fourth fastening portion 29 and a fourth recess 30. The fourth fastening portion 29 is also disposed on the two side arms of the second insulative housing 20, and An L-shaped hook is also formed and has a horizontal portion. The horizontal portion of the fourth fastening portion 29 protrudes from the fourth recess 30.

Referring to the second figure, a combination perspective view of the electrical connector of the present invention is shown. When the plug connector 1 is to be docked with the receptacle connector 2, the plug connector 1 is placed in the socket connector in a vertical placement manner. The first fastening portion 11 is disposed in the second recess 27, and the second fastening portion 22 is disposed in the first recess 15 . Similarly, the second fastening portion 22 is disposed in the first recess 15 . The third fastening portion 17 is disposed in the fourth recess 30, and the fourth fastening portion 29 is disposed in the third recess 18, and the front end portion 12 of the plug connector 1 can press the elastic portion The arm 23 causes the elastic arm 23 to be compressed by a thrust to generate a restoring force, and the returning force is used to push back the front end surface 12 of the plug connector 1 so that the first fastening portion 11 and the second fastening portion 22 are close. Fastened, and the third fastening portion 17 and the fourth fastening portion 29 The plug connector 1 is also securely coupled to the receptacle connector 2 in a secure manner.

Please refer to FIGS. 3A to 3D for the operation diagram of the first embodiment of the electrical connector of the present invention along the line A-A when combined and fixed. When the plug connector 1 of the electrical connector 100 of the present invention is to be electrically connected to the receptacle connector 2, the plug connector 1 is first placed above the receptacle connector 2, and the first fastening portion 11 is Aligning the second recess 27, the second fastening portion 22 is aligned with the first recess 15 , the third fastening portion 17 is aligned with the fourth recess 30 , and the fourth fastening portion 29 is aligned with the third recess 18, as shown in FIG. 3A, and then the bevel 16 of the front end face 12 of the plug connector 1 is abutted against the guide by the guiding portion 28 of the receptacle connector 2. The plug connector 1 is placed in the accommodating space 26 of the plug connector 2 as shown in FIG. 3B. At this time, the front end face 12 of the plug connector 1 is placed in a vertical position. Pressing the elastic arm 23 to be elastically deformed toward the main wall portion 24, the first fastening portion 11 is placed in the second recess 27, and the second fastening portion 22 is placed in the first recess 15 Similarly, the third fastening portion 17 is disposed in the fourth recess 30, and the fourth fastening portion 29 is disposed in the third recess 18, and the elastic arm 23 is subjected to a thrust compression. Produce a resilience, such as As shown in FIG. 3C, the front end portion 12 of the plug connector 1 is pushed back by the restoring force, so that the first fastening portion 11 and the second fastening portion 22 are closely fastened, and the third fastening portion is fastened. The portion 17 is also fastened to the fourth fastening portion 29 so that the plug connector 1 is firmly connected to the socket connector 2 as shown in FIG. 3D.

Referring to FIGS. 4A to 4C, FIG. 1 is a schematic view showing the operation of the electrical connector of the first embodiment of the present invention taken along the line A-A when the electrical connector is unfastened. When the socket connector 2 of the electrical connector 100 of the present invention releases the plug connector 1, first thrust is applied to push the plug connector 1 forward, as shown in FIG. 4A, the plug connector 1 is made The front end surface 12 can also be pressed to elastically deform the elastic arm 23 toward the main wall portion 24, and the front end surface 12 of the plug connector 1 can also be pressed to make the bullet. The elastic arm 23 is elastically deformed toward the main wall portion 24, and the L-shaped hooks of the first fastening portion 11 and the third fastening portion 17 are correspondingly separated from the second fastening portion 22 and the fourth portion. The inverted L-shaped hook presented by the fastening portion 29, as shown in FIG. 4B, finally the plug connector 1 is vertically separated from the accommodating space 26 of the socket connector 2, so that the plug is connected. The device 1 is separated from the socket connector 2 as shown in Fig. 4C.

Referring to the fifth drawing, there is shown an exploded perspective view of another embodiment of the electrical connector of the present invention. The structure of the electrical connector 100' of the present embodiment is substantially the same as that of the electrical connector 100' of the embodiment of the first embodiment, except that the elastic arm of the embodiment is assembled to the main body of the socket connector. The elastic arm of the embodiment is separable from the main wall of the socket connector body. In the embodiment, the elastic arm is a metal piece to increase the strength of the structure.

Please refer to the sixth figure, which is a schematic flow chart showing the method for bonding and fixing the electrical connector of the present invention. The method for bonding and fixing the electrical connector of the present invention comprises the steps of: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion to define a capacitance The space is provided, the main wall portion can accommodate a plurality of conductive terminals, and the opposite side arm portion can be provided with a plurality of grooves and a plurality of fastening portions, and an elastic device is disposed in the accommodating space (S101); providing a cable connection The device has a plurality of fastening portions and a plurality of recesses respectively corresponding to the plurality of recesses and the plurality of fastening portions of the electrical connector (S102); the cable connector is coupled to the electrical connector in a vertical manner, and A front end surface of the cable connector presses the elastic device to generate a restoring force (S103); and the restoring force generated by the elastic device is pushed back to the front end surface of the cable connector during the bonding process ( S104); and, the plurality of fastening portions and the plurality of grooves of the cable connector are fastened to the plurality of grooves and the fastening portions of the electrical connector (S105).

Please refer to the seventh figure, which shows the flow of the unfixing method of the electrical connector of the present invention. Schematic diagram. The method for unfastening the electrical connector of the present invention comprises the steps of: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion to define a capacitance a plurality of conductive terminals are disposed in the main wall portion, and the opposite side arm portion is provided with a plurality of grooves and a plurality of fastening portions, and a resilient device is disposed in the accommodating space (S201); providing a cable connection The device has a plurality of fastening portions and a plurality of recesses, which are respectively fastened to the plurality of recesses and the plurality of fastening portions of the electrical connector (S202); a thrust is applied to the cable connector to make the cable The front end surface of one of the cable connectors presses the elastic device, and the elastic device is elastically deformed toward the main wall portion at the same time, and at the same time, the plurality of fastening portions of the cable connector are correspondingly buckled with the electrical connector The connector is gradually released (S203); and the cable connector is separated from the electrical connector in a substantially vertical direction (S204).

The electrical connector of the present invention pushes the elastic arms 23, 23' of the socket connector 2 by the plug connector 1, so that the elastic arms 23, 23' are subjected to a thrust compression to generate an elastic restoring force, and by the The elastic restoring force pushes back the front end surface 12 of the plug connector 1 to the first fastening portion 11 and the third fastening portion 17 of the plug connector 1 corresponding to the second fastening portion 22 and the fourth connector socket 2 The fastening portion 29 is fastened, so that the plug connector 1 is firmly connected to the socket connector 2, and is not easily separated when the electrical connector 100, 100' is tested for dropping; The plugs 100, 100' are easy to operate when the plug connector 1 and the receptacle connector 2 are combined and separated, and the plug connector 1 and the receptacle connector 2 are fixed without additional fixing structures, thereby reducing manufacturing costs.

11‧‧‧First fastening

12‧‧‧ front end

13‧‧‧ rear end face

15‧‧‧First groove

16‧‧‧ oblique angle

17‧‧‧ Third fastening

18‧‧‧ third groove

22‧‧‧Second Fastener

23‧‧‧Flexible arm

27‧‧‧second groove

28‧‧‧ Guidance Department

29‧‧‧fourth fastening

30‧‧‧fourth groove

Claims (9)

An electrical connector includes: a plug connector that is coupled to a cable and has a first insulative housing and at least one first fastening portion, wherein the first insulative housing has a front end surface and a rear end surface to extend The cable and the two side walls are disposed to provide the first fastening portion; and a socket connector is disposed on the circuit board and has a second insulating body, a plurality of conductive terminals, and at least a second fastening portion At least one elastic arm, wherein the second insulating body is provided with a main wall portion and side arms extending from both sides of the main wall portion, the main wall portion and the two side arms defining a plug connector The accommodating space is disposed on the two side arms to correspond to the first fastening portion in the accommodating space, and the elastic arm is also disposed in the accommodating space; When the connector is vertically inserted into the socket connector, the front end surface of the plug connector can be pressed to elastically deform the elastic arm toward the main wall portion, and then the front end surface of the plug connector is pushed back by the restoring force of the elastic arm, so that the connector First fastening portion and the second buckle When the plug connector is loosened from the socket connector, the front end surface of the plug connector may also press the elastic arm to be elastically deformed toward the main wall portion to make the first fastening portion Gradually detached from the fastening of the second fastening portion. The electrical connector of claim 1, wherein the lower end of the front end of the plug connector has an oblique angle, and the upper end of the resilient arm of the receptacle connector has a guiding portion. An electrical connector for vertically fastening a cable connector in an accommodating space, the accommodating space being at least a main wall portion of the body of the electrical connector and two opposite sides of the main wall portion The arm portion is configured to receive a plurality of conductive terminals, and the opposite side arm portion is configured to buckle the fastening portion of the cable connector, and includes a resilient arm in the accommodating space. In the cable connector, the elastic arm is first elastically deformed to be fastened, and then the restoring force of the elastic arm is used to make the cable connector tightly fastened; and when the cable connector is loosened, elasticity The arm will also be elastically deformed first to release the buckle. The electrical connector of claim 1 or 3, wherein the resilient arm is disposed on the main wall portion. The electrical connector of claim 4, wherein the elastic arm is integrally formed on the main wall portion. The electrical connector of claim 4, wherein the elastic arms are assembled on the main wall portion in a combined manner. The electrical connector of claim 6, wherein the resilient arm is a metal piece. A method for bonding and fixing an electrical connector includes: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion to define an accommodating space The main wall portion can accommodate a plurality of conductive terminals, and the opposite side arm portion can be provided with a plurality of grooves and a plurality of fastening portions, and a resilient device is disposed in the accommodating space; a cable connector is provided, The fastening portion and the plurality of recesses respectively correspond to the plurality of recesses and the plurality of fastening portions of the electrical connector; the cable connector is coupled to the electrical connector in a vertical manner, and one of the cable connectors is The front end surface presses the elastic device and generates a restoring force; the restoring force generated by the elastic device is pushed back to the front end surface of the cable connector during the bonding process; and the buckle of the cable connector is buckled The joint and the plurality of grooves are closely engaged with the plurality of grooves and the fastening portions of the electrical connector. A method for unfastening an electrical connector includes: providing an electrical connector, wherein the body of the electrical connector has a main wall portion and two opposite side arms that are individually coupled to the main wall portion to define an accommodation space The main wall portion can accommodate a plurality of conductive terminals, and the opposite side arm portion can be provided with a plurality of grooves and a plurality of fastening portions, and a resilient device is disposed in the accommodating space; a cable connector is provided, and a plurality of buckles are provided The connecting portion and the plurality of recesses are respectively fastened to the plurality of recesses and the plurality of fastening portions of the electrical connector; applying a thrust to the cable connector to force the front end surface of the cable connector Pressing the elastic device and elastically deforming the elastic device toward the main wall portion, and at the same time, the fastening portions of the cable connector are correspondingly loosened from the fastening portions of the electrical connector; The cable connector is separated from the electrical connector in a substantially vertical direction.