TWI431864B - The electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that can be electrically connected to a flexible transmission unit.

Press, an electrical connector is a connection that electrically connects wires, boards, and other circuit components. Therefore, it is widely used in various electronic products around our lives, such as notebook computers, mobile phones, and personal digital assistants (PDAs).

A typical electrical connector is soldered to a circuit board, and its connection terminal is in contact with the contact end of the circuit board through the circuit layout to form an electrical connection. However, in some applications, the electrical connector is fixed as another Circuit components, such as the use of fixed flexible cables. Therefore, the electrical connector is interposed between the flexible cable and the printed circuit board, and is used as an electrical signal.

The electrical connector generally used for fixing a flexible cable has a structure mainly comprising an insulating body, a plurality of conductive terminals and an upper cover. The upper cover can be rotated and moved relative to the insulating body to open and close. When the upper cover is opened, the upper cover can be opened. The flexible cable is inserted into the insulative housing. When the upper cover is closed, the flexible cable can be electrically connected to the conductive terminal and fixed in the insulating body.

However, such an electrical connector that uses the upper cover to press the flexible cable to electrically connect the conductive terminal, and the upper cover is pivoted to the conductive terminal, sometimes the electrical contact between the flexible cable and the conductive terminal is still generated. Bad and unreliable problems, so it is easy to lead to customer complaints.

The structure of the conventional electrical connector is not reliable for the electrical connection between the flexible cable and the conductive terminal, and the electrical connector is prone to the problem of complaint.

The present invention provides an electrical connector, including an insulative housing, a plurality of conductive terminals, two latching members, and a metal housing. The insulative housing has an accommodating space and a plurality of terminal slots, and each of the two sides of the insulating body is provided with a The groove and the groove are connected to the accommodating space, and the plurality of conductive terminals are installed in the terminal slots. The two latching members are respectively disposed in the recesses, and each of the latching members is provided with a contact portion, a pivoting portion and a blocking portion, and the pivoting portion is used as an axis of the rotation of the latching member and is in contact with Between the portion and the abutting portion, the contact portion is provided with a retaining portion extending into the accommodating space. The metal housing is mounted on the insulative housing, wherein the metal housing is provided with an elastic operating portion, a pressing portion and a resilient portion. The pressing portion extends from one side of the elastic operating portion into the insulating body and is opposite to the contact portion. The rebound portion covers the opening of the groove. When the elastic operating portion is pressed, the pressing portion is pressed against the contact portion, and the stopping portion is rotationally moved from a locking position to an unlocking position with the pivoting portion as an axis, and the blocking portion abuts against the rebound portion When the elastic operating portion is loosened, the pressing portion is away from the contact portion, and the resilient portion provides an elastic reaction force on the blocking portion, so that the stopping portion is rotated from the unlocking position to the locking position with the pivoting portion as the axis .

The electrical connector provided by the present invention is provided with a latching member on the insulating body, and the purpose of fixing the flexible transmission unit on the insulating body is achieved by controlling the up and down rotational movement of the latching member, and in the metal shell The body is further provided with a plurality of grounding elastic pieces, and a gap formed between the grounding elastic pieces and the plurality of conductive terminals can be used for holding the flexible transmission unit, so that not only the stable electrical connection relationship between the flexible transmission unit and the conductive terminal can be achieved, but also The effect of the grounding elastic piece overlapping the metal layer on the flexible transmission unit can also be achieved, and then the grounding part of the metal casing is grounded to achieve the purpose of preventing external electromagnetic wave interference, so that the conventional electrical connector can be easily solved. The reliability of the electrical connection between the generated flexible cable and the conductive terminal is not good, and the resulting electrical connector is prone to customer complaints.

Referring to the preferred embodiments shown in the first to the ninth embodiments, the present invention provides an electrical connector 1 that can be coupled to a flexible transmission unit 6. The electrical connector 1 mainly includes an insulative housing 2 and two latching members 3. The plurality of conductive terminals 4 and the metal case 5.

The insulative housing 2 has a receiving space 20 and a plurality of terminal slots 26, and a recess 28 is formed on each side of the insulative housing. The recess 28 communicates with the receiving space 20. A channel 22 communicating with the groove 28 is defined by a downwardly extending side of the upper surface of the insulating body 2, and a plurality of holes 24 communicating with the accommodating space 20 are further disposed on the upper surface of the insulating body 2.

The two latching members 3 are respectively disposed in the recesses 28, and each of the latching members 3 is provided with a contact portion 31, a pivoting portion 32 and a blocking portion 33. The pivoting portion 32 is used as the latching member 3. The axis of rotation is located between the contact portion 31 and the abutment portion 33. The contact portion 31 is provided with a stop portion 310 extending into the accommodating space 20. The pivoting portion 32 is disposed in the recessed portion 28 , and the contact portion 31 is located in the recessed portion 28 and adjacent to the accommodating space 20 . The recessing portion 310 is disposed on the contact portion 31 and extends into the accommodating space 20 . 33 is located within the recess 28 and adjacent to the resilient portion 53.

The plurality of conductive terminals 4 are mounted in the terminal slots 26 of the insulative housing 2. The conductive terminals 4 have a contact end 41 in the receiving space 20 and a soldering end 42 extending outside the insulative housing 2. The contact end 41 can be inserted. The flexible transmission units 6 in the accommodating space 20 are electrically connected to each other, and the soldering ends 42 are soldered and fixed to an external circuit board (not shown).

The metal casing 5 is mounted on the insulative housing 2, and is provided with a frame body 50, an elastic operation portion 51, a pressing portion 52 and a resilient portion 53, a frame body 50, an elastic operation portion 51, and a pressing portion 52. The rebound portion 53 is a metal stamping integrally formed structure, the frame 50 surrounds the outer periphery of the insulative housing 2, and the rebound portion 53 covers the opening of the recess 28. In this embodiment, the frame 50 extends upwardly and is provided with an elastic operation portion 51. The pressing portion 52 extends from one side of the elastic operation portion 51 into the insulative housing 2 and is disposed opposite to the contact portion 31. The frame 50 includes an upper case. 502, the lower case 504 and the rear case 506, the rear case 506 abuts against the rear side of the insulative housing 2, and the rear case 506 is provided with a plurality of grounding elastic pieces 54 bent through the holes 24 of the upper surface of the insulative housing 2 and extending to the accommodating space 20 Inside. In addition, a bearing portion 29 is disposed in the recess 28, and the metal housing 5 is provided with a blocking portion 55. The pivoting portion 32 is pivotally disposed between the bearing portion 29 and the blocking portion 55. The pressing portion 52 extends downwardly through the passage 22. To the contact portion 31.

In this embodiment, the contact portion 31, the pivoting portion 32, the retreating portion 310 and the blocking portion 33 of the latching member are integrally formed by plastic injection, and the protruding portion 33 is provided with a protruding portion 330, which is convex. The protruding portion 330 is disposed facing the rebound portion 53 to facilitate the elastic deformation of the protruding portion 330 against the resilient portion 53. The pivoting portion 32 is located between the contact portion 31 and the blocking portion 33, adjacent to A protrusion portion 310 is disposed at an end of the contact portion 31, and a protrusion portion 330 is disposed adjacent to the end of the blocking portion 33. The length of the protrusion portion 330 from the pivot portion 32 is smaller than the distance between the stop portion 310 and the pivot portion. The length of 32, so that the operator can get a better effect of the force.

When the flexible transmission unit 6 is inserted into the accommodating space 20, the detaching portion 310 can interfere with the notch 62 of the flexible transmission unit 6, thereby achieving the purpose of fixing the flexible transmission unit 6 to the electrical connector 1. In actual operation, the user can press the elastic operation portion 51 with the finger, and the pressing portion 52 will move downward together and press against the contact portion 31, and the locking portion 310 is locked from the pivot portion 32. The position is rotationally moved to an unlocked position and away from the notch 62, at which time the abutment portion 33 is biased against the resilient portion 53. When the elastic operation portion 51 is loosened, the pressing portion 52 is away from the contact portion 31. At this time, the rebound portion 53 provides an elastic reaction force on the blocking portion 33, so that the locking portion 310 is pivoted to the pivot portion 32. The heart is rotationally moved from the unlocked position to the locked position and engaged with the notch 62.

Therefore, when the operator wants to insert or remove the flexible transmission unit 6, the elastic operation portion 51 may be first pressed, the rotation portion 310 is rotationally moved to the unlocked position, and then the flexible transmission unit 6 is inserted or removed, and then the elastic operation portion is released. 51. The stop portion 310 is rotationally moved to the locked position for the purpose of locking or unlocking the flexible transmission unit 6. Further, since the retaining portion 310 itself has a design of a guide inclined surface, the purpose of positioning the notch 62 to the retaining portion 310 can be achieved without inserting the elastic operating portion 51 at the stage of inserting the flexible transport unit 6.

In this embodiment, the opening of the accommodating space 20 is located at the front side of the insulative housing 2, the opening of the recess 28 is located at the rear side of the insulative housing 2, and the contact portion 31 extends toward the opening of the accommodating space 20, and the retaining portion 33 is in principle The upper portion extends in a direction perpendicular to the contact portion 31, for example, an L shape as shown in the third figure, but is not limited thereto, and the joint portion of the contact portion 31 and the abutment portion 33 forms a pivot portion 32. In addition, the bearing portion 29 of the embodiment is a concave structure, and the pivot portion 32 is coupled to a convex structure of the bearing portion 29. However, the shape and structure of the coupling between the two are also interchangeable. As long as it can achieve the purpose of pivoting.

The flexible transmission unit 6 is provided with a metal layer (not shown), and the metal layer is in electrical contact with the grounding elastic piece 54 of the metal casing 5. In this embodiment, the flexible transmission unit 6 is a flexible cable (FFC), and the metal layer is an aluminum foil. However, the flexible transmission unit 6 may also be a flexible printed circuit board (FPC). It can also be coated with silver glue.

A plurality of positioning protection portions 21 are further disposed on the upper surface of the insulative housing 2, and the functions of the positioning protection portions 21 are to protect the elastic operation portion 51 and the elastic connecting portion thereof with the upper housing 502 to avoid impact by external force. The damage is also broken, and the travel space of the elastic operation portion 51 can also be positioned.

In summary, the electrical connector of the present invention is provided with a latching member on the insulative housing, and the upper and lower rotational movement of the latching member is controlled to achieve the purpose of fixing the flexible transmission unit. The fixed method does not affect the reliability of the electrical connection between the flexible transmission unit and the conductive terminal, so that the reliability of the electrical connection between the flexible cable and the conductive terminal which is easily generated by the conventional electrical connector can be solved. Good, it is easy to produce customer complaints. In addition, the electrical connector of the present invention is further provided with a plurality of grounding elastic pieces on the metal casing, and the gap formed between the grounding elastic pieces and the plurality of conductive terminals can be used to hold the grounding elastic piece in addition to the soft transmission unit. The purpose of connecting the metal layer on the flexible transmission unit is not only to achieve a stable electrical connection between the flexible transmission unit and the conductive terminal, but also to ground through the grounding portion of the metal casing to achieve the effect of preventing external electromagnetic interference. .

The above detailed description is intended to be illustrative of a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and other equivalents and modifications may be made without departing from the spirit of the invention. Changes are intended to be included in the scope of the patents covered by the present invention.

1. . . Electrical connector

2. . . Insulating body

20. . . Housing space

twenty one. . . Positioning protection

twenty two. . . aisle

twenty four. . . Hole

26. . . Terminal slot

28. . . Groove

29. . . Bearing department

3. . . Fastener

31. . . Contact

310. . . Retreat

32. . . Pivot

33. . . Relief

330. . . Protrusion

4. . . Conductive terminal

41. . . Contact end

42. . . Weld end

5. . . Metal housing

50. . . framework

502. . . Upper shell

504. . . Lower case

506. . . Back shell

51. . . Flexible operation department

52. . . Compression department

53. . . Rebound

54. . . Grounding shrapnel

55. . . Blocking

6. . . Soft transmission unit

62. . . gap

The first figure is a perspective view of the electrical connector of the present invention.

The second figure is a perspective view of the electrical connector of the present invention after assembling the flexible transmission unit.

The third figure is a schematic cross-sectional view of the retaining portion of the electrical connector in the second figure in the locked position.

The fourth figure is a schematic cross-sectional view of the retaining portion of the electrical connector in the second figure in the unlocked position.

The fifth figure is a perspective exploded view of the electrical connector of the first figure.

The sixth figure is a perspective view of the insulative body in the fifth figure.

The seventh figure is a perspective view of the metal casing in the fifth figure.

The eighth figure is a perspective view of the snap fastener in the fifth figure.

Figure 9 is a perspective cross-sectional view showing the pressing portion and the snap member of the electrical connector in the first figure.

1. . . Electrical connector

2. . . Insulating body

20. . . Housing space

3. . . Fastener

4. . . Conductive terminal

41. . . Contact end

42. . . Weld end

5. . . Metal housing

Claims (9)

An electrical connector includes: an insulative housing having a receiving space and a plurality of terminal slots, and a recess is formed on each side of the insulative housing, the recess is connected to the receiving space; The terminal is installed in the terminal slots; the two latching members are respectively pivotally disposed in the recesses, and each of the latching members is provided with a contact portion, a pivoting portion and a blocking portion, and the pivoting portion is a shaft for rotating the latching member and located between the contact portion and the retaining portion, the contact portion is provided with a retaining portion extending into the receiving space; and a metal housing is mounted The metal housing is provided with an elastic operation portion, a pressing portion and a resilient portion extending from one side of the elastic operating portion into the insulating body and opposite to the contact portion The spring portion is provided with a bearing portion, and the metal housing is provided with a blocking portion, the pivoting portion is pivotally disposed between the bearing portion and the blocking portion; When the elastic operation portion is pressed, the pressing portion is pressed against the contact portion, and the The retracting portion is rotated from a locking position to an unlocking position with the pivoting portion as an axis, and the abutting portion abuts against the resilient portion, and when the elastic operating portion is released, the pressing portion is away from the elastic portion The resilient portion provides an elastic reaction force on the retaining portion, and the retaining portion is rotationally moved from the unlocked position to the locked position with the pivoting portion as an axis. The electrical connector of claim 1, wherein the insulative housing has at least one passage that communicates with the recess and an upper surface of the insulative housing, and the pressing portion extends through the passage to the contact portion. The electrical connector of claim 1, wherein the opening of the accommodating space is located at a front side of the insulating body, the opening of the recess is located at a rear side of the insulating body, and the contact portion extends toward the opening of the accommodating space. The retaining portion extends toward a direction perpendicular to the contact portion, and the connecting portion of the contact portion and the retaining portion forms the pivoting portion. The electrical connector of claim 1, wherein the metal housing is provided with a frame body and at least one grounding elastic piece, the frame body surrounds the outer periphery of the insulating body, and the frame body extends upwardly to the elastic operation portion. The elastic operation portion is provided with the pressing portion and the pressing portion extends downward to the contact portion. The frame body includes an upper shell, a lower shell and a rear shell, and the rear shell abuts against the rear side of the insulating body. The grounding elastic piece is disposed on the rear case. The electrical connector of claim 4, wherein at least one hole is formed in the upper surface of the insulating body, the grounding elastic piece extends through the hole into the accommodating space, and at the upper surface of the insulating body At least one positioning protection portion is provided for protecting the elastic operation portion and the stroke space for positioning the elastic operation portion. The electrical connector of claim 1, wherein the pivoting portion is pivotally disposed in the recess, the contact portion is located in the recess and adjacent to the accommodating space, and the retaining portion is disposed on the contact portion And extending into the accommodating space, the keeper is located in the groove and adjacent to the rebound portion. The electrical connector of any one of the preceding claims, wherein the retaining portion is provided with a projection, the projection being disposed facing the resilient portion. The electrical connector of claim 7, wherein the retaining portion is disposed adjacent to an end of the contact portion, the protruding portion being disposed adjacent to an end of the blocking portion. The electrical connector of claim 8, wherein the length of the protruding portion from the pivoting portion is smaller than the length of the stopping portion from the pivoting portion.