CN203589274U - Electric connector terminal - Google Patents

Abstract

The electrical connector terminal of the present invention is provided with a plug-in part at the front end of the base, and the plug-in part protrudes from the bottom of the base toward the front end of the base with a pair of strip-shaped shrapnel with a predetermined length, and the middle section of the two strip-shaped shrapnel has a one is bent toward the top surface of the base, and then turned back toward the bottom of the base to form a clamping opening with clamping arms, and at least one contact point is protruded on the corresponding inner side of each clamping arm; The protective pieces protrude from both sides of the base to the front end of the base with a predetermined length and are relatively clamped on both sides of the insertion part. Under the action of the base and the protective sheet, a relatively stable and reliable matching effect can be produced with the insulating main body, and a relatively stable and reliable contact effect can be produced under the action of the two sets of clamping arms and the contact points of each clamping arm.

Description

electrical connector terminal

technical field

The utility model relates to a terminal structure of an electrical connector, and mainly provides a relatively stable and reliable electrical connector terminal.

Background technique

Press, electrical connectors are widely used in most electronic products today because of their quick-plug and quick-disconnect functions; general electrical connectors include at least one insulating body for corresponding engagement with the object to be used and a plurality of groups arranged on the insulating body. Terminals, and the insulating body of the electrical connector can be in the form of a slot or joint for insertion into an electronic board or another corresponding electrical connector, and is connected by the electrode contacts or terminals on the coupling (hereinafter collectively referred to as coupling Parts) are joined with terminals on the insulating body to form power or signal transmission.

Furthermore, after a long period of use or repeated plugging and unplugging, the terminals of the general electrical connector must still maintain a good contact effect with the coupling, especially if the terminals used to form the current transmission cannot maintain the proper contact As a result, it is more likely that related components will be damaged due to the unstable current or voltage delivered.

As shown in Figure 1A and B, it is an existing electrical connector terminal commonly used for current transmission. Similar to the existing electrical connector terminal, it is mostly stamped and formed by a metal sheet. The base 11 joined by the insulating body of the connector forms a terminal 12 assembled with the wire 21 at one end of the base 11, and a pair of terminals 12 for clamping on the coupling member 30 is formed at the other end of the base 11 opposite to the terminal 12. The clamping elastic pieces 13 on both sides, the tail ends of the two clamping elastic pieces 13 extend obliquely inward to form a clamping opening, and the two clamping elastic pieces 13 respectively form a hole for contacting the coupling piece 30 on the inner surface of the clamping opening. Contact point 14.

However, the clamping elastic piece 13 similar to the electrical connector terminal is a cantilever structure, and lacks any protective structure relative to the outside of the clamping port, and is extremely easy to be damaged by external force during processing; especially, when the coupling piece 30 is mated The direction A1 lacks a resisting effect, so that the clamping elastic piece 13 is more likely to be warped up against the insulating body of the electrical connector and deformed, so that the original function cannot be maintained.

Utility model content

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

The technical means adopted in the utility model are as follows.

In order to achieve the above purpose, the electrical connector terminal of the present utility model is stamped from a metal sheet to form a base for assembling and combining with the insulating main body of the electrical connector, and a base for assembling and combining with the wires of the electrical connector is formed at the rear end of the base. The wiring part, and includes the following structure: a plug-in part, a pair of strip-shaped shrapnel with a predetermined length protrudes from the bottom surface of the base toward the front end of the base, and the middle section of the two strip-shaped shrapnel has a bending direction toward the top surface of the base and then turns And toward the direction of the bottom surface of the base, to form a clamping opening with clamping arms, and at least one contact point is respectively protruded on the inner side corresponding to each clamping arm; The front end of the base protrudes for a predetermined length and is relatively clamped on both sides of the insertion part.

Utilizing the above-mentioned structural features, the electrical connector terminal of the present invention can produce a relatively stable and reliable matching effect with the insulating main body under the action of the base and the protective plate when in use, so that the clamping mouth can be kept in the correct position without Offset, and under the action of the two groups of clamping arms and the contact points of each clamping arm, a longer contact stroke and a relatively stable and reliable contact effect with the coupling can be produced; especially, the electrical connection of the present utility model In the process of electroplating, wire assembly, etc., the clamping port can be shielded by the guard plate, which is a relatively more active and reliable means to prevent the clamping port from being damaged by external forces during the processing process.

According to the above structural features, the insertion part is connected at the tail end of the two strip-shaped elastic pieces relative to the front of the clamping opening to form a blocking piece.

According to the above structural features, the tail ends of the two protection pieces are respectively bent inwardly at the front of the insertion part to form a curved bow.

According to the above-mentioned structural features, the insertion part is connected at the rear ends of the two strip-shaped elastic pieces relative to the front of the clamping opening to form a blocking piece; and, the tail ends of the two protection pieces are respectively in front of the insertion part. Bend inward to form a bow.

There is a predetermined distance between the two bows.

According to the above structural features, the protection sheet has tapered portions approaching the inserting portion, and abutting portions relative to the outside of the clamping arms extend from the tapered portions.

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

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

According to the above structural features, the base is provided with at least two protective sheets between the connecting portion and the protective sheets, and the protective sheets extend upward from the bottom of the base and then bend toward the top of the base to form a contact department.

The base of the electrical connector terminal is punched with at least one hook for buckling with the insulating main body of the electrical connector.

The electric connector terminal disclosed by the utility model 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 main body, so that the clamping port can be kept in the correct position without deviation.

2. Under the action of the two sets of clamping arms and the contact points of each clamping arm, a longer contact stroke and a relatively stable and reliable contact effect can be produced with the coupling.

3. In the process of electroplating, wire assembly, etc., the clamping port can be shielded by the protective sheet, and a relatively more active and reliable means can be used to prevent the clamping port from being damaged by external forces during the processing process.

4. When the electrical connector terminal and the coupling piece are plugged and pulled out, the overall electrical connector terminal can still generate a relatively stable forward support force in the mating direction of the coupling piece under the action of the stopper.

5. The abutting part of the protective sheet is located outside the clamping arms. When plugging in with the coupling, in addition to the clamping arm providing the first clamping force, the abutting part further provides a second clamping force. Holding force, so that the overall electrical connector terminal has a better clamping effect.

Description of drawings

1A and B are schematic structural views of a conventional electrical connector terminal.

Fig. 2 is a reference diagram of the use configuration of the electrical connector terminals of the present invention.

3 is a perspective view of the appearance of the electrical connector terminal in the direction of the top surface of the utility model.

FIG. 4 is a perspective view of the appearance of the electrical connector terminal in the direction of the bottom surface of the utility model.

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

FIG. 6 is a schematic diagram of the contact state between the terminal of the electrical connector and the coupling member of the present invention.

FIG. 7 is a perspective view of another embodiment of the electric connector terminal of the present invention in the direction of the top surface.

FIG. 8 is a schematic structural view of another embodiment of the electrical connector terminal of the present invention.

FIG. 9 is a partial cross-sectional view of another embodiment of the combination state of the electrical connector terminal and the insulating body of the electrical connector of the present invention.

FIG. 10 is an appearance perspective view of another embodiment of the electric connector terminal bottom surface direction of the present invention.

Fig. 11 is a structural schematic diagram of another embodiment of the clamping arm of the present invention.

Fig. 12 is a structural schematic diagram of another embodiment of the clamping arm of the present invention.

Description of figure number:

A1 mating direction

11 base

12 terminals

13 clamping shrapnel

14 touch points

21 wires

211 core wire

22 insulating body

30 couplings

40 electrical connector terminals

41 base

411 hook piece

42 wiring part

421 first clip

422 second clip

43 socket

431 strip shrapnel

432 clamping arm

433 contact points

434 stop piece

435 clamping port

44 guards

441 Bow

442 Taper

443 abutment part

444 limit part

45 protective sheet

451 abutment portion.

Detailed ways

The utility model mainly provides a relatively stable and reliable electrical connector terminal, as shown in Figure 2, the configuration reference diagram of the electrical connector terminal of the utility model, and Figure 3, the appearance of the electrical connector terminal of the utility model in the direction of the top surface Perspective view, Figure 4 shows the perspective view of the appearance of the electric connector terminal of the present utility model in the direction of the bottom surface, the electric connector terminal 40 of the present utility model is integrally stamped from a metal sheet to form a base 41 for assembly and combination with the insulating main body 22 of the electric connector , at the rear end of the base 41, a connection portion 42 for assembling and combining with the wire 30 of the electrical connector is formed, and includes the following structures:

A plug-in part 43 protrudes from the bottom surface of the base 41 toward the front end of the base 41 with a pair of strip-shaped elastic pieces 431 with a predetermined length. Fold toward the bottom of the base 41 to form a clamping opening 435 with clamping arms 432 , and at least one contact point 433 protrudes from the corresponding inner side of each clamping arm 432 .

Two protective pieces 44 protrude from both sides of the base 41 to the front end of the base 41 for a predetermined length and are relatively sandwiched between the two sides of the insertion part 41; during implementation, the tail ends of the two protective pieces 44 are respectively A curved bow 441 is bent inwardly at the front of the insertion part 43 to form a comprehensive shielding effect on the insertion part 43 , and it is better to have a predetermined distance between the two curved bows 441 .

Furthermore, when the electrical connector terminal 40 of the present invention is actually implemented, at least one hook piece 411 for engaging with the insulating main body 22 of the electrical connector can be punched integrally on the base 41 to prevent the electrical connector from The terminal 40 is loose; as for, the wiring part 42 has a pair of first clips 421 for clamping on the outside of the wire 21 covering, so that the electrical connector terminal 40 and the wire 21 can be firmly combined, and has a pair of clips for clamping. The second clip 422 at the core wire 211 of the wire 21 makes the electrical connector terminal 40 and the wire 21 electrically connected.

In principle, the electrical connector terminal 40 of the present utility model can be shielded by the protective sheet 44 on the clamping opening of the insertion part 43 during the processing such as electroplating and wire assembly, so as to avoid clamping by a relatively more positive and reliable means. The holder is damaged by external force during the processing; when the electrical connector terminal 40 is assembled with the insulating body 22 of the electrical connector, as shown in FIG. 22 produces a relatively stable and reliable matching effect, so that the clamping opening of the insertion part 43 can be kept in the correct position without deviation.

As shown in FIG. 6 , the electrical connector terminal 40 of the present invention mainly utilizes the clamping mouth formed by two sets of clamping arms 432 to engage with the corresponding coupling piece 30 when in use, and the two sets of clamping arms 432 The holding arms 432 are on both sides of the coupling piece 30 to generate a clamping force on the coupling piece 30, and under the action of the two sets of clamping arms 432 and the contact points 433 of each clamping arm 432, a force is generated with the coupling piece 30. Long contact stroke and relatively stable and reliable contact effect.

Please refer to Figure 3 and Figure 6 at the same time, the insertion part 43 can be further integrally connected to form a stop piece 434 at the tail end of the two strip-shaped elastic pieces 431 relative to the front of the clamping mouth, so that Under the action of the connection of the stop pieces, the two strip-shaped elastic pieces 431 are restricted from stretching out, so as to produce a relatively stable and reliable clamping effect on the coupling piece.

And, as shown in FIG. 3 and FIG. 5 , the above-mentioned stop piece 434 connected between the tail ends of the two strip-shaped elastic pieces 431 can be further bent forward to be flush with the base 41, when the electrical connector terminal 40 is connected to the coupling When the connector 30 is plugged and pulled out, the integral electrical connector terminal 40 can generate a relatively stable forward supporting force in the mating direction A1 of the coupling member 30 under the action of the stop piece 434 .

In addition, as shown in another embodiment of FIG. 7 and FIG. 8 , the protective sheets 44 have tapered portions 442 that approach the insertion portion 43 , and extend from the tapered portions 442 relative to the clips. The abutting portion 443 on the outside of the holding arm 432 provides these abutting portions 443 in a manner close to but not in contact with, or, these abutting portions 443 are in contact with the clamping arms 432 respectively. The clamping arm 432 has a better clamping effect. When plugged into the coupling piece, when in use, the clamping opening formed by the two sets of clamping arms 432 is mainly used to engage with the corresponding coupling piece 30. The two sets of clamping arms 432 are on both sides of the coupling piece 30 to generate a clamping force on the coupling piece 30, and further use the abutment portion 443 on the outside of the two sets of clamping arms 432 to provide another clamping force, To provide better clamping effect.

In the above-mentioned embodiment, the corresponding inner side of the protective pieces 44 is protruded with a limiting portion 444, please also refer to FIG. The limiting function of the axial movement of the arm 432; of course, the limiting part 444 can be the convex point structure in which the protection piece 44 is recessed inward in the embodiment shown in the figure; it can also be as shown in Figure 10 In an embodiment, the limiting portion 444 is formed by extending inwardly from the bottom side of the guard piece 44 . The shape of these clamping arms 432 can be shown in the embodiment shown in FIG. It can be folded into a ㄇ shape; or as shown in the embodiment shown in FIG. When the electrical connector terminal 40 and the coupling piece 30 are plugged and pulled out, a relatively stable forward support force can be generated in the mating direction A1 of the coupling piece, and the above-mentioned strip elastic piece 431 with different shapes can have a longer contact stroke to provide a relatively stable and reliable contact effect.

Moreover, in each of the above-mentioned embodiments, the base 41 is provided with at least two protective sheets 45 between the connecting portion 42 and the protective sheets 44, as shown in Figure 7 and Figure 8, these protective sheets 45 are respectively made of The bottom surfaces of both sides of the base 41 extend upwards and then bend toward the inside of the base 41 , and extend slightly horizontally toward each other to form contact portions 451 , which can provide comprehensive protection for the insertion portion 43 .

Compared with the traditional existing structure, the electrical connector terminal disclosed by the utility model 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 main body, so that the clamping port can be kept in the correct position without deviation.

2. Under the action of the two sets of clamping arms and the contact points of each clamping arm, a longer contact stroke and a relatively stable and reliable contact effect can be produced with the coupling.

3. In the process of electroplating, wire assembly, etc., the clamping port can be shielded by the protective sheet, and a relatively more active and reliable means can be used to prevent the clamping port from being damaged by external forces during the processing process.

4. When the electrical connector terminal and the coupling piece are plugged and pulled out, the overall electrical connector terminal can still generate a relatively stable forward support force in the mating direction of the coupling piece under the action of the stopper.

5. The abutting part of the protective sheet is located outside the clamping arms. When plugging in with the coupling, in addition to the clamping arm providing the first clamping force, the abutting part further provides a second clamping force. Holding force, so that the overall electrical connector terminal has a better clamping effect.

Claims (10)

1. an electric connector terminal, is characterized in that, by sheet metal punching press, forms a base portion being assembled for the insulating body with electric connector, forms a wire connecting portion being assembled for the wire with electric connector, and comprise following structure in the rear end of this base portion:

One Plug Division, from base portion bottom surface, towards base portion front end, protrude out the bar shaped shell fragment of a pair of tool predetermined length, the middle section of two bar shaped shell fragments has top base surface direction bending on one day and transfers towards base portion bottom surface direction reflexed, and form one, there is the clamp port of clamping limb, and in the corresponding inner side of each clamping limb, convex with respectively at least one contact point;

Two bluff pieces, respectively from base portion both sides towards base portion front end protrude out predetermined length and relatively double team in both sides, Plug Division.

2. electric connector terminal as claimed in claim 1, is characterized in that, this Plug Division is connected to form a retaining piece at two bar shaped shell fragments with respect to the tail end place in clamp port the place ahead.

3. electric connector terminal as claimed in claim 1, is characterized in that, the tail end of these two bluff pieces bends inwards and forms a tortuous bow at place, the place ahead, Plug Division respectively.

4. electric connector terminal as claimed in claim 1, is characterized in that, this Plug Division is connected to form a retaining piece at two bar shaped shell fragments with respect to the tail end place in clamp port the place ahead; And the tail end of these two bluff pieces bends inwards and forms a tortuous bow at place, the place ahead, Plug Division respectively.

5. the electric connector terminal as described in claim 3 or 4, is characterized in that, between these two tortuous bows, has spacing.

6. the electric connector terminal as described in as wherein arbitrary in claim 1 to 4, is characterized in that, those bluff pieces have the convergent portion close towards this Plug Division, and are extended with the butting section with respect to those clamping limb outsides by those convergent portions.

7. electric connector terminal as claimed in claim 6, is characterized in that, those butting sections contact with those clamping limbs respectively.

8. electric connector terminal as claimed in claim 6, is characterized in that, the corresponding inner side of those bluff pieces convexes with limiting section, and this limiting section is with respect to the below of this clamping limb.

9. electric connector terminal as claimed in claim 6; it is characterized in that; this base portion is provided with at least two screening glass between this wire connecting portion and those bluff pieces; those screening glass extend the internal bend towards base portion upward by the bottom surface of these base portion two avris respectively again, and are slightly level and extend in opposite directions and form abutting part.

10. electric connector terminal as claimed in claim 6, is characterized in that, the shape of those clamping limbs is bent into U-shaped, ㄇ type or V-type by bar shaped shell fragment.

Images