TWM505722U - Terminal of electrical connector - Google Patents

Description

Electrical connector terminal

This author is about the terminal structure of the electrical connector, mainly providing a relatively stable and reliable electrical connector terminal.

According to the electric connector, it has been widely used in most electronic products because of its fast-swapping and quick-drawing effect; the general electrical connector includes at least one insulating body and a complex array for the corresponding objects to be used on the insulating body. The terminal, and the insulating body of the electrical connector may be in the form of a socket or a connector for insertion with an electronic board or another corresponding electrical connector, and by electrode contacts or terminals on the coupling (below The couplings are collectively referred to as engaging the terminals on the insulating body to form a power source or signal.

Furthermore, in general, the electrical connector must be in good contact with the coupling member after long-term use or repeated insertion and removal, especially if the terminal for constituting the current transmission cannot maintain the proper contact. The effect is more likely to cause damage to the relevant components due to the instability of the current or voltage delivered.

As shown in the first A diagram and the first B diagram, it is a schematic structural diagram 1 and a schematic diagram 2 of a conventional electrical connector terminal which is generally used for current transmission; similar to conventional electrical connector terminals, The metal sheet is integrally stamped and formed, and is mainly formed with a base portion 11 for engaging with the insulating body of the electrical connector, and a joint with the wire 21 is formed at one end of the base portion 11. The terminal 12 is formed at the other end of the base 11 with respect to the terminal 12 to form a pair of clamping elastic pieces 13 for clamping on both sides of the coupling member 30. The tail ends of the two clamping elastic pieces 13 are inclined inwardly. A clamping port is formed, and the two clamping elastic pieces 13 respectively form a contact point 14 for contacting the coupling member 30 on the inner surface of the clamping opening.

However, the clamping elastic piece 13 like the electrical connector terminal has a cantilever structure and lacks any protective structure with respect to the outer side of the clamping opening, and is easily damaged by an external force during processing; in particular, the coupling of the coupling member 30 The direction A1 lacks the resisting effect, so that the clamping elastic piece 13 is relatively easy to be uplifted to the insulating body of the electrical connector to be deformed, so that the original function cannot be maintained.

The technical problem solved by the present invention is to provide a relatively stable and reliable electrical connector terminal.

The technical means used in this creation are as follows.

In order to achieve the above, the electrical connector terminal of the present invention is stamped from a metal sheet to form a base for assembling and connecting with the insulating body of the electrical connector, and a rear end of the base is formed to be assembled with the wire of the electrical connector. The wiring portion includes the following structure: a plug portion protruding from the bottom surface of the base toward the front end of the base with a pair of strip-shaped elastic pieces having a predetermined length, wherein the middle portions of the two strip-shaped elastic pieces have a direction bent toward the top surface of the base portion In turn, it is folded back toward the bottom surface of the base, and a clamping port having a clamping arm is formed, and at least one contact point is respectively protruded on the inner side corresponding to each clamping arm; two guard pieces are respectively from the base side The front end of the base portion protrudes by a predetermined length and is oppositely sandwiched on both sides of the insertion portion.

By utilizing the above structural features, the electrical connector terminal of the present invention can be used when Under the action of the base and the protective piece, a relatively stable and reliable matching effect is produced with the insulating body, so that the clamping port can be kept in the correct position without offset, and the contact points of the two sets of clamping arms and the clamping arms can be Under the action, the coupling member generates a long contact stroke and a relatively stable and reliable contact effect; in particular, the electrical connector terminal of the present invention can be formed by the guard piece to the clamping port during processing such as electroplating and wire assembly. Shielding, in a relatively more active and reliable way, to avoid damage to the gripping port during the processing.

According to the above structural feature, the insertion portion is connected to form a stopper piece at a tail end of the two strip-shaped elastic pieces with respect to the front side of the clamping opening.

According to the above structural feature, the tail ends of the two guard pieces are respectively bent inward at the front of the insertion portion to form a curved bow.

According to the above structural feature, the insertion portion is connected to form a stopper piece at a tail end of the two strip-shaped elastic pieces in front of the clamping opening; and the tail ends of the two protection pieces are respectively in front of the insertion portion Bent inward to form a curved bow.

The two curved bows have a predetermined spacing therebetween.

According to the above structural feature, the guard has a tapered portion that faces toward the insertion portion, and the abutting portions of the plurality of clamping arms extend from the tapered portions.

The abutting portions are respectively in contact with the clamping arms.

A corresponding limiting portion is protruded from a corresponding inner side of the protective piece, and the limiting portion is opposite to the lower side of the clamping arm.

According to the above structural feature, the base portion is provided with at least two protective sheets between the connecting portion and the protective sheets, and the protective sheets are bent upward from the bottom surface of the base portion and bent toward the top surface of the base portion to form abutting unit.

The electrical connector terminal is punched at its base with at least one hook for fastening to the insulating body of the electrical connector.

The electrical connector terminals disclosed in the present application can produce the following effects.

1. Under the action of the base and the protective sheet, it can produce a relatively stable and reliable matching effect with the insulating body, so that the clamping port can be kept in the correct position without being offset.

2. Under the action of the contact points of the two sets of clamping arms and the clamping arms, the coupling member can produce a long contact stroke and a relatively stable and reliable contact effect.

3. In the process of electroplating, wire assembly, etc., the guard can be shielded from the clamping port to prevent the clamping port from being damaged by external force during the processing.

4. When the electrical connector terminal and the coupling member are inserted and removed, the integral electrical connector terminal can still generate a relatively stable forward supporting force in the direction of the coupling member under the action of the blocking piece.

5. The abutting portion of the protective piece is located outside the clamping arms, and when the coupling member is inserted, the abutting portion further provides the second clamping member, except that the clamping arm provides the first clamping force. Power, so that the overall electrical connector terminals have a better clamping effect.

A1‧‧‧With the direction of insertion

11‧‧‧ base

12‧‧‧ Terminal

13‧‧‧Clamping shrapnel

14‧‧‧Contact points

21‧‧‧Wire

211‧‧‧core

22‧‧‧Insulation body

30‧‧‧ couplings

40‧‧‧Electrical connector terminals

41‧‧‧ base

411‧‧‧hook

42‧‧‧Wiring

421‧‧‧First clip

422‧‧‧Second clip

43‧‧‧Interface

431‧‧‧ rod shrapnel

432‧‧‧Clamping arm

433‧‧‧Contact points

434‧‧‧stop film

435‧‧‧Clamping port

44‧‧‧ 片

441‧‧‧bend bow

442‧‧‧ tapered

443‧‧‧Abutment

444‧‧‧Limited

45‧‧‧Protection film

451‧‧‧Apartment

The first A diagram is a schematic structural view of a conventional electrical connector terminal.

The first B diagram is a schematic diagram 2 of a conventional electrical connector terminal.

The second figure is a configuration reference diagram for the use of the electrical connector terminals of the author.

The third figure is an external perspective view of the top surface of the created electrical connector terminal.

The fourth figure is an external perspective view of the bottom surface of the created electrical connector terminal.

Fig. 5 is a partial cross-sectional view showing the state in which the electrical connector terminal of the present invention is combined with the insulating body of the electrical connector.

The sixth figure is a schematic diagram of the contact state of the connector and the coupling of the electrical connector of the present invention.

Figure 7 is a perspective view showing the appearance of the top surface of another embodiment of the electrical connector terminal of the present invention.

The eighth figure is a schematic structural view of another embodiment of the electrical connector terminal of the present invention.

The ninth drawing is a partial cross-sectional view showing another embodiment of the insulated main body of the present invention and the insulating main body of the electrical connector.

Fig. 10 is a perspective view showing the appearance of a further embodiment of the bottom surface of the electrical connector of the present invention.

The eleventh figure is a schematic structural view of still another embodiment of the gripping arm of the present invention.

The twelfth figure is a schematic structural view of still another embodiment of the gripping arm of the present invention.

This creation mainly provides a relatively stable and reliable electrical connector terminal. For example, the second figure shows the configuration of the electrical connector terminal used in the present drawing, and the third figure shows the appearance of the top surface of the electrical connector terminal. The perspective view of the bottom surface of the electrical connector terminal of the present invention is shown in the perspective view. The electrical connector terminal 40 of the present invention is integrally stamped from a metal sheet to form a base 41 for assembly and bonding with the insulating body 22 of the electrical connector. A terminal portion 42 for assembling and bonding with the wire 21 of the electrical connector is formed at the rear end of the base portion 41, and includes a plug portion 43 integrally protruding from the bottom surface of the base portion 41 toward the front end of the base portion 41. For the strip-shaped elastic piece 431 having a predetermined length, the middle portion of the two strip-shaped elastic pieces 431 is bent toward the top surface of the base portion 41 and then reversely folded toward the bottom surface of the base portion 41 to form a clip having the holding arm 432. The holding port 435 has at least one contact point 433 protruding from the inner side of each of the clamping arms 432.

The two protective sheets 44 are respectively protruded from the two sides of the base portion 41 toward the front end of the base portion 41 by a predetermined length and are oppositely sandwiched at the two sides of the insertion portion 41. In practice, the ends of the two protective sheets 44 are respectively A curved bow 441 is formed inwardly at the front of the insertion portion 43 to provide a relatively complete shielding effect on the insertion portion 43, and a predetermined spacing between the two curved bows 441 is preferred.

In addition, the electrical connector terminal 40 of the present invention can be integrally formed with at least one hook piece 411 for fastening with the insulating body 22 of the electrical connector at the base portion 41 thereof to avoid the electrical connector. The terminal 40 is loose; as for the wiring portion 42, there is a pair of first clips 421 for being clamped on the outer side of the sheath of the wire 21, so that the electrical connector terminal 40 and the wire 21 are firmly combined, and a pair of clips are provided. The second clip 422 at the core 211 of the wire 21 electrically connects the electrical connector terminal 40 and the wire 21.

In principle, the electrical connector terminal 40 of the present invention can be shielded from the clamping opening 435 of the plug portion 43 by the protective sheet 44 during processing such as electroplating and wire assembly, so as to avoid the clip by a relatively more active and reliable means. The holding port 435 is subjected to external force damage during processing; when the electrical connector terminal 40 is assembled and combined with the insulating body 22 of the electrical connector, as shown in FIG. 5, under the action of the base portion 41 and the protective sheet 44, The insulating body 22 produces a relatively stable and reliable matching effect, so that the clamping opening 435 of the insertion portion 43 is maintained at the correct position without being displaced.

As shown in the fifth and sixth figures, the electrical connector terminal 40 of the present invention is mainly used by the clamping port 435 formed by the two sets of clamping arms 432 for engaging with the corresponding coupling member 30. The clamping force is generated on the coupling member 30 by the two sets of clamping arms 432 on both sides of the coupling member 30, and is coupled to the contact points 433 of the two clamping arms 432 and the clamping arms 432. The connector 30 produces a longer contact stroke and a relatively stable, reliable contact effect.

With reference to the third and sixth figures, the insertion portion 43 can be further integrally formed at a tail end of the two strip-shaped elastic pieces 431 with respect to the front end of the clamping opening 435 to form a stopper piece 434. By the connection of the blocking piece 434, the two strip-shaped elastic pieces 431 are restricted from being stretched, so that the coupling member 30 can be relatively stable and reliable.

And, as shown in the third and fifth figures, the above-mentioned blocking piece 434 connected between the ends of the two strip-shaped elastic pieces 431 can be further bent toward the front to be flush with the base portion 41 when the electrical connector terminal 40 When the coupling member 30 is inserted and removed, the integral electrical connector terminal 40 can generate a relatively stable forward supporting force in the insertion direction A1 of the coupling member 30 by the stopper piece 434.

In addition, as shown in another embodiment of the seventh and eighth embodiments, the guards 44 have a tapered portion 442 that faces toward the insertion portion 43 and are extended by the tapered portions 442. The abutting portions 443 of the clamping arms 432 are provided by the abutting portions 443 in a close proximity but not in contact, or the abutting portions 443 are respectively in contact with the clamping arms 432. The clamping arm 432 has a better clamping effect. When the coupling member 30 is inserted into the connector 30, the clamping port 435 formed by the two clamping arms 432 is mainly used for the corresponding coupling. The pieces 30 are joined by the two sets of clamping arms 432 to the coupling member 30. On both sides, the coupling member 30 is subjected to the clamping force, and further the abutting portion 443 on the outer side of the two sets of clamping arms 432 provides another clamping force to provide a better clamping effect.

In the above embodiment, the corresponding inner side of the guard piece 44 is provided with a limiting portion 444. Please refer to the ninth figure at the same time, and the limiting portion 444 is opposite to the lower side of the clamping arm 432 to provide a clip. The limiting action of the holding arm 432 in the axial movement; of course, the limiting portion 444 can be a bump structure in which the protective sheet 44 is concave inward in the embodiment shown in the figure; In the illustrated embodiment, the limiting portion 444 extends inwardly from the bottom side of the guard 44. The shape of the clamping arms 432 can be bent into a U-shape by the strip elastic piece 431 as shown in the embodiment of the ninth embodiment, or bent by the strip elastic piece 431 as shown in the embodiment of the eleventh embodiment. Alternatively, or as shown in the embodiment shown in Fig. 12, the strip-shaped elastic piece 431 is bent into a V-shape. When the electrical connector terminal 40 and the coupling member 30 are inserted and removed, a relatively stable forward supporting force is generated in the insertion direction A1 of the coupling member 30, and the strip-shaped elastic piece 431 having different shapes can be used. Long contact strokes to provide a relatively stable and reliable contact.

Furthermore, in the above embodiments, the base portion 41 is provided with at least two protective sheets 45 between the connecting portion 42 and the protective sheets 44. As shown in the seventh and eighth figures, the protective sheets 45 respectively The bottom surface of the base portion 41 extends upward and is bent toward the inside of the base portion 41, and extends slightly horizontally to form the abutting portion 451, thereby providing a relatively complete protective effect on the plug portion 43.

Compared with the conventional existing structure, the electrical connector terminal 40 disclosed in the present invention can produce the following effects.

1. It can be generated by the base 41 and the protective sheet 44, and the insulating body 22 A relatively stable and reliable matching effect allows the gripping opening 435 to remain in the correct position without offset.

2. The contact between the two sets of clamping arms 432 and the clamping arms 432 can produce a long contact stroke with the coupling member 30 and a relatively stable and reliable contact effect.

3. During the processing of electroplating, wire assembly, etc., the guard 44 can be shielded from the clamping opening 435 to prevent the clamping port 435 from being damaged by external force during the processing process with relatively more positive and reliable means.

4. When the electrical connector terminal 40 and the coupling member 30 are inserted and removed, the integral electrical connector terminal 40 can be relatively stable under the action of the blocking piece 434 in the insertion direction A1 of the coupling member 30. Forward support.

5. The abutting portion 443 of the retaining piece 44 is located outside the clamping arms 432, and when the coupling member 30 is inserted, the abutting portion 443 is provided in addition to the clamping arm 432 providing the first clamping force. A second clamping force is further provided to provide a better clamping effect for the integral electrical connector terminal 40.

40‧‧‧Electrical connector terminals

41‧‧‧ base

42‧‧‧Wiring

421‧‧‧First clip

422‧‧‧Second clip

43‧‧‧Interface

431‧‧‧ rod shrapnel

432‧‧‧Clamping arm

433‧‧‧Contact points

434‧‧‧stop film

435‧‧‧Clamping port

44‧‧‧ 片

441‧‧‧bend bow

Claims (10)

An electrical connector terminal, characterized in that a base portion for assembling and bonding with an insulating body of an electrical connector is formed by stamping a metal sheet, and a wiring portion for assembling and bonding with a wire of the electrical connector is formed at a rear end of the base portion. And comprising: a plug portion protruding from the bottom surface of the base toward the front end of the base with a pair of strip-shaped elastic pieces having a predetermined length, wherein the middle portions of the two strip-shaped elastic pieces are bent toward the top surface of the base portion and then turned toward the base portion The bottom surface direction is folded back to form a clamping opening having a clamping arm, and at least one contact point is respectively protruded on a corresponding inner side of each clamping arm; two protective pieces are respectively convex from the two sides of the base toward the front end of the base Extending the predetermined length and clamping the opposite sides of the plug portion. The electrical connector terminal according to claim 1, wherein the insertion portion is connected to form a stopper piece at a tail end of the two strip-shaped elastic pieces with respect to the front of the clamping opening. The electrical connector terminal of claim 1, wherein the tail ends of the two guard pieces are bent inwardly at the front of the plug portion to form a bent bow. The electrical connector terminal of claim 1, wherein the plug portion is connected to form a stop piece at a tail end of the two strip-shaped elastic pieces in front of the clamping opening; and The tail ends of the guard pieces are bent inwardly at the front of the insertion portion to form a curved bow. The electrical connector terminal of claim 3 or 4, wherein the two bent bows have a spacing therebetween. The electrical connector terminal according to any one of claims 1 to 4, wherein the protection pieces have a tapered portion that faces toward the insertion portion, and are extended by the tapered portions. An abutting portion on the outside of the clamping arms. The electrical connector terminal of claim 6 is characterized in that the abutting portions are in contact with the clamping arms, respectively. The electrical connector terminal according to claim 6, wherein the corresponding inner side of the protective piece is provided with a limiting portion, and the limiting portion is opposite to the lower side of the clamping arm. The electrical connector terminal according to claim 6, wherein the base portion is provided with at least two protective sheets between the connecting portion and the guard pieces, and the protective sheets are respectively The bottom surfaces on both sides of the base portion extend upward and are bent toward the inside of the base portion, and extend slightly horizontally to form an abutting portion. The electrical connector terminal according to claim 6, wherein the shape of the clamping arms is bent into a U-shaped, a ㄇ-shaped or a V-shaped shape by a strip spring.