CN209104428U - Conductive Terminal and Connector Assemblies - Google Patents

Abstract

The utility model discloses a conductive terminal and a connector assembly, which are suitable for electrically connecting wires to a circuit board. The conductive terminal comprises: a support frame, which is suitable for defining an accommodating space; a pair of first clamping arms, is arranged in the accommodating space, and its end forms a clamping part, which is suitable for selectively clamping and electrically connecting the conductor of the wire inserted from the first insertion direction; a pair of second clamping arms is provided In the accommodating space, the end thereof forms a clamping portion, which is suitable for selectively clamping and electrically connecting the conductor of the wire inserted from a second insertion direction different from the first insertion direction.

Description

Conductive Terminal and Connector Assemblies

technical field

Embodiments of the present invention relate to a conductive terminal and a connector assembly, in particular to a wire-to-board conductive terminal and connector assembly without a housing, and more particularly to a Or the second insertion direction inserts the conductive terminal and connector assembly of the wire.

Background technique

In the related art, electrical connectors are generally used to electrically connect the wires to the circuit board. When the conductive terminals are electrically connected to the circuit board, the conductive terminals are usually fixed in an insulating housing in advance, and then connected and fixed with the circuit board. However, such a connection method is not only costly, but also the insulating housing occupies a large space on the circuit board.

In order to overcome the above-mentioned defects, an improved conductive terminal has appeared in the related art, which can realize the electrical connection between the wire and the circuit board without being fixed by an insulating housing. However, for such a conductive terminal, the insertion direction of the wire is fixed, for example, the conductive terminal only allows the wire to be inserted horizontally or vertically. With the gradual expansion of customer demands, a conductive terminal is required to allow both horizontal insertion of wires and vertical insertion of wires.

In addition, in the current conductive terminals without housings, the positioning and holding capacity of the wires inserted therein is low, so the wires are easily disengaged from the connection.

Therefore, there is a need for a conductive terminal and connector assembly that can solve the above problems.

Utility model content

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the related art.

According to one aspect of the present invention, there is provided a conductive terminal suitable for electrically connecting wires to a circuit board, the conductive terminal comprising: a support frame adapted to define an accommodating space; a pair of first clamping arms, is arranged in the accommodating space, and its end forms a clamping portion, which is suitable for selectively clamping and electrically connecting the conductor of the wire inserted from the first insertion direction; a pair of second clamping arms is provided In the accommodating space, the end thereof forms a clamping portion, which is adapted to selectively clamp and electrically connect the conductor of the wire inserted from a second insertion direction different from the first insertion direction.

According to an exemplary embodiment of the present invention, the first insertion direction is perpendicular to the second insertion direction.

According to an exemplary embodiment of the present invention, the support frame includes a bottom wall and two side walls perpendicular to the bottom wall, the first insertion direction is parallel to the plane where the bottom wall is located, the second The insertion direction is perpendicular to the plane of the bottom wall.

According to an exemplary embodiment of the present invention, the supporting frame, the first clamping arm and the second clamping arm are integrally formed from a piece of metal sheet.

According to an exemplary embodiment of the present invention, the supporting frame further includes a pair of cantilever arms, the cantilever arms are formed by bending inward from the first ends of the two side walls, and the pair of the first clamping arms are respectively The cantilever extends obliquely toward the downstream side in the first insertion direction from the free end of the cantilever away from the first end.

According to an exemplary embodiment of the present invention, a pair of the second clamping arms extend obliquely toward a downstream side of the second insertion direction from a side of the cantilever arm away from the bottom wall.

According to an exemplary embodiment of the present invention, the support frame further includes a first end wall located on the upstream side of the first insertion direction, the first end wall being adapted to be inserted in the first insertion direction. The first insertion hole of the conductor of the wire.

According to an exemplary embodiment of the present invention, the bottom wall includes a second insertion hole adapted to insert the conductor of the wire in a second insertion direction.

According to an exemplary embodiment of the present invention, the support frame further includes a top wall, the two side walls are vertically bent downward from two sides of the top wall, and the bottom wall is formed from two sides of the top wall. The lower sides of at least one of the walls are formed by being vertically bent toward each other, and the first end wall is formed by being vertically bent from one end of the top wall toward the bottom wall.

According to an exemplary embodiment of the present invention, the support frame further includes a second end wall opposite to the first end wall, the second end wall is adapted to block the wire inserted in the first insertion direction movement of the conductor along the first insertion direction.

According to an exemplary embodiment of the present invention, a through hole is provided on the top wall to allow the conductor of the wire inserted in the second insertion direction to extend out of the conductive terminal.

According to an exemplary embodiment of the present invention, the first clamping arm and/or the second clamping arm further comprises a release portion, and the release portion is adapted to move in a direction away from each other under the action of an external force to open the clamping portion.

According to an exemplary embodiment of the present invention, the top wall is provided with a release hole communicating with the release portion.

According to an exemplary embodiment of the present invention, a spiked portion is provided on the clamping portion, and the spiked portion is suitable for clamping and piercing the insulating sheath of the wire to form an electrical connection with the conductor.

According to another aspect of the present invention, a connector assembly is provided, comprising: the conductive terminal according to any one of the above embodiments; and a circuit board, the conductive terminal is electrically connected to the circuit board, and the The circuit board is provided with a through hole, and the second clamping arm of the conductive terminal is adapted to selectively clamp the conductor of the wire inserted through the through hole of the circuit board from the second insertion direction.

Other objects and advantages of the present invention will be apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, and may help a comprehensive understanding of the present invention.

Description of drawings

The utility model will be described in further detail with reference to the accompanying drawings, wherein:

1 is a perspective view of a connector assembly according to an exemplary embodiment of the present invention, wherein the connector assembly includes conductive terminals and a circuit board;

FIG. 2 is a perspective view of the conductive terminal shown in FIG. 1 , wherein, for the convenience of observation, the top wall of the conductive terminal is removed;

3 is a top view of the conductive terminal shown in FIG. 1 , wherein, for the convenience of observation, the top wall of the conductive terminal is removed;

4 is a cross-sectional view of the conductive terminal shown in FIG. 1 taken along the A-A plane in FIG. 3;

5 is a perspective view of the conductive terminal shown in FIG. 1 observed from an angle;

6 is a schematic view of the conductor of the wire being inserted into the connector assembly along a first insertion direction;

Fig. 7 is the schematic diagram shown in Fig. 6 viewed from another angle, wherein, for the convenience of observation, the top wall of the conductive terminal is removed;

FIG. 8 is a schematic diagram of the insertion of the conductors of the wire into the connector assembly along a second insertion direction; and

9 is a cross-sectional perspective view of the schematic diagram shown in FIG. 8 taken along the A-A plane in FIG. 3 .

Detailed ways

The technical solutions of the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals refer to the same or similar parts. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general concept of the present invention, and should not be construed as a limitation to the present invention.

Furthermore, in the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to the general concept of the present invention, there is provided a conductive terminal suitable for electrically connecting wires to a circuit board, the conductive terminal comprising: a supporting frame suitable for defining an accommodating space; a pair of first clamping an arm, disposed in the accommodating space, the end of which forms a clamping portion, adapted to selectively clamp the conductor of the wire inserted from the first insertion direction and form an electrical connection therewith; a pair of second clamping arms , arranged in the accommodating space, the end of which forms a clamping part, which is suitable for selectively clamping the conductor of the wire inserted from the second insertion direction different from the first insertion direction and forming an electrical connection therewith .

1 is a perspective view of a connector assembly according to an exemplary embodiment of the present invention, wherein the connector assembly includes a conductive terminal and a circuit board; FIG. 2 is a perspective view of the conductive terminal shown in FIG. 1 , wherein, for the convenience of observation , the top wall of the conductive terminal is removed; FIG. 3 is a top view of the conductive terminal shown in FIG. 1 , wherein, for the convenience of observation, the top wall of the conductive terminal is removed; FIG. 4 is the conductive terminal shown in FIG. 5 is a perspective view of the conductive terminal shown in FIG. 1 viewed from an angle.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, a conductive terminal 100 suitable for electrically connecting a wire 200 (shown in FIGS. 6-9 ) to a circuit board 300 is provided. The conductive terminal 100 includes a support frame 110 , a pair of first clamping arms 120 and a pair of second clamping arms 130 . The support frame 110 defines an accommodating space in which a pair of first clamping arms 120 and a pair of second clamping arms 130 are disposed. The ends of the pair of first clamping arms 120 form clamping portions 121 that selectively clamp and electrically connect the conductors 210 of the wires 200 inserted from the first insertion direction. The ends of the pair of second clamping arms 130 form clamping portions 131 that selectively clamp and electrically connect the conductors 210 of the wires 200 inserted from a second insertion direction different from the first insertion direction.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the support frame 110 includes a bottom wall 111 , two side walls 112 , and a support frame 110 at its first end (right end in FIGS. 1-2 ) The first end wall 113 , the second end wall 117 and the top wall 116 at the second end (the left end in FIGS. 1-2 ) opposite the first end wall 113 . In one embodiment, the side wall 112 is perpendicular to the bottom wall 111 . In the illustrated embodiment, the two side walls 112 are formed by vertically bending downwards from both sides of the top wall 116 , and the bottom wall 111 is formed by vertically bending toward each other from the lower side of at least one of the two side walls. The first The end wall 113 is formed by being vertically bent from one end of the top wall 116 toward the bottom wall. In one embodiment, the second end wall 117 is vertically bent from the other end of the top wall 116 toward the bottom wall. In an alternative embodiment, the second end walls 117 are formed by bending toward a direction perpendicular to a plane on which the side walls 112 are located from one end of the two side walls 112 .

In one embodiment, the support frame 110 , the first clamping arm 120 and the second clamping arm 130 are integrally formed from a piece of metal sheet. The conductive terminal 100 is made of a metal sheet such as a copper sheet through cutting, punching, and bending processes.

In the illustrated embodiment, the first insertion direction and the second insertion direction are perpendicular (as shown in Figures 6-9). Specifically, the first insertion direction is parallel to the plane where the bottom wall 111 is located, and the second insertion direction is perpendicular to the plane where the bottom wall 111 is located. In one embodiment, the first insertion direction is a horizontal direction, and the second insertion direction is a vertical direction. In other embodiments, the first insertion direction and the second insertion direction may not be perpendicular, for example, the first insertion direction is a direction intersecting the plane where the bottom wall 111 is located at an angle other than 90 degrees.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the support frame 110 further includes a pair of cantilever arms 1121 which are formed by bending inward from the first ends of the two side walls 112 . In one embodiment, a pair of first clamping arms 120 respectively extend obliquely toward the downstream side of the first insertion direction from the free ends of the cantilever arms away from the first end of the side wall 112 . In one embodiment, a pair of second clamping arms 130 extend obliquely toward a downstream side of the second insertion direction from a side of the cantilever away from the bottom wall. In the illustrated embodiment, the pair of first clamping arms 120 are respectively inclined from the free ends of the cantilevers away from the first ends of the side walls 112 toward the second ends of the side walls 112 opposite to the first ends. Extending, the pair of second clamping arms 130 extend upward and obliquely from one side of the pair of first clamping arms 120 away from the bottom wall. In one embodiment, the support frame 110 includes two pairs of cantilever arms 1121, which are respectively formed by bending inward from the first end and the second end of the two side walls, and the pair of first clamping arms are separated from the pair of cantilever arms respectively. The free ends of the first ends extend obliquely toward the downstream side of the first insertion direction. The downstream sides extend obliquely toward each other.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the first end wall 113 is located at the first end of the support frame and is provided with a conductor 210 adapted to be inserted into the conductor 200 along the first insertion direction The first insertion hole 114 .

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the bottom wall 111 includes a second insertion hole 115 adapted to insert the conductor 210 of the wire 200 in a second insertion direction. In the illustrated embodiment, the second insertion hole 115 is aligned with the second clamping arm 130 . In other embodiments, the second insertion hole 115 and the second clamping arm 130 may be misaligned.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the top wall 116 is provided with a through hole 118 to allow the conductor 210 of the wire 200 inserted from the second insertion direction to extend out of the conductive terminal 100 . In the illustrated embodiment, the second insertion hole 115, the second clamping arm 130 and the through hole 118 are aligned. In other embodiments, the second insertion hole 115 , the second clamping arm 130 and the through hole 118 may also be misaligned. In one embodiment, the top wall 116 may not be provided with a through hole, and the conductors of the wires inserted along the second insertion direction are accommodated in the accommodating space of the support frame. In this case, the top wall may hinder the insertion along the second insertion direction. Movement of the conductors of the inserted wire along the second insertion direction.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the second end wall 117 can block the conductor 210 of the wire 200 inserted in the first insertion direction along the first insertion direction movement. In one embodiment, a through hole may be provided on the second end wall, and the conductor of the wire inserted along the first insertion direction may extend out of the through hole.

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the clamping parts 121 and 131 are provided with spiked parts, and the spiked parts are suitable for clamping and piercing the insulating sheath of the wire 200 In order to form an electrical connection with the conductor 210 , the conductor is prevented from being pulled out from the first insertion hole 114 or the second insertion hole 115 . In this way, the conductor 210 of the lead wire 200 can be reliably held in the conductive terminal 100 .

As shown in FIGS. 1-5 , in an exemplary embodiment of the present invention, the first clamping arm 120 and/or the second clamping arm 130 further includes a release portion, and the release portion is suitable for the action of an external force Move downwards in the direction away from each other to spread the clamping parts 121 and 131, so as to realize the release of the wire. In one embodiment, the release portion of the first clamping arm 120 includes an arc-shaped portion formed on a side of at least one of the pair of the first clamping arms 120 away from the bottom wall 111 , the arc-shaped portion is The parts are deflected towards the outside away from each other. In the illustrated embodiment, the release portion 122 of the first clamping arm 120 includes arc-shaped portions formed on two sides of the pair of first clamping arms 120 away from the bottom wall 111 . In another embodiment, the release portion of the second clamping arm 130 includes an arc-shaped portion formed on at least one of both ends of the clamping portion 131 , the arc-shaped portions being deflected away from each other toward the outside. As shown in FIGS. 1-5, in an exemplary embodiment of the present invention, a release hole is provided on the top wall 116, and an external release tool is adapted to pass through the release hole to engage with the release portion and make the release portion Move away from each other to release the wires. In the illustrated embodiment, the top wall 116 is provided with a release hole 119 , and the release hole 119 is aligned with the release portion 121 of the first clamping arm 120 . In further embodiments, the release hole 119 may be misaligned with the release portion 121 of the first clamping arm 120 . In another embodiment, the top arm is further provided with a release hole aligned with the release portion of the second clamping arm 130 .

FIG. 6 is a schematic view of the conductor of the wire being inserted into the connector assembly along a first insertion direction; FIG. 7 is a schematic view of FIG. 6 viewed from another angle, wherein, for the convenience of observation, the top wall of the conductive terminal is removed; 8 is a schematic view of the conductor of the wire being inserted into the connector assembly along a second insertion direction; and FIG. 9 is a cross-sectional perspective view of the schematic view shown in FIG. 8 taken along the A-A plane in FIG. 3 .

As shown in FIGS. 1 and 6-9, in one exemplary embodiment of the present invention, a connector assembly is provided, including conductive terminals 100 and a circuit board 300, the conductive terminals 100 being electrically connected to the circuit board 300 superior. The conductive terminal is the conductive terminal described in any one of the above embodiments. The circuit board 300 is provided with a through hole, and the second clamping arm 130 of the conductive terminal 100 is adapted to selectively clamp the conductor 210 of the wire 200 inserted through the through hole of the circuit board 300 from the second insertion direction .

In an exemplary embodiment, the suction nozzle of the vacuum suction device is used to adsorb on the top wall 116 of the support frame 110 of the conductive terminal 100, and the bottom wall 111 of the support frame 110 of the conductive terminal 100 is attached to the surface of the circuit board 300, And the second insertion hole 115 of the conductive terminal 100 is aligned with the through hole of the circuit board 300, and then the conductive terminal 100 is soldered to the circuit board 300 by using the surface mount technology, so as to realize the connection between the conductive terminal 100 and the circuit board 300. Reliable electrical connection between circuit boards 300 .

As shown in Figures 6 and 7, in one exemplary embodiment, when the wire 200 needs to be inserted from the first insertion direction (horizontal in the illustrated embodiment), the conductor 210 of the wire is inserted from the first insertion direction (horizontal direction in the illustrated embodiment) The hole 114 is inserted into the conductive terminal 100 and clamped by a pair of first clamping arms 120, and the thorns in the clamping parts 121 of the first clamping arms 120 pierce the insulating sheath of the wire 200, thereby reliably Hold wire 200. In one embodiment, when the wire 200 needs to be released, the external release tool passes through the release hole 119 and engages with the release part 122, so that the release parts 122 move in a direction away from each other, and the clamping part 121 holding the wire 200 is supported open, thereby releasing the wire 200. In one embodiment, the end of the external release tool is a plate. In one embodiment, the external release tool may be a screwdriver.

As shown in Figures 8 and 9, in one exemplary embodiment, when the wire 200 needs to be inserted from a second insertion direction (vertical in the illustrated embodiment), the conductor 210 of the wire 200 is passed through The through hole of the circuit board is inserted into the conductive terminal 100 from the second insertion hole 115 along the second insertion direction and is clamped by the pair of second clamping arms 130 , and the clamping portion 131 of the second clamping arm 130 is inserted into the conductive terminal 100 . The thorns pierce the insulation of the wire, thereby securely holding the wire 200 .

In this way, the conductive terminal of the present invention can selectively insert the wire from the first insertion direction or the second insertion direction, so as to meet the needs of inserting the wire in both directions.

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles It can be freely combined in the case of the present invention, so that more kinds of conductive terminals and connector assemblies can be realized on the basis of solving the technical problems of the present invention.

After describing the preferred embodiments of the present invention in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the protection scope and spirit of the appended claims, and the present invention is also Implementations are not limited to the exemplary embodiments set forth in the specification.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element numbers in the claims should not be construed as limiting the scope of the invention.

Claims (15)

1. A conductive terminal suitable for electrically connecting a wire to a circuit board, the conductive terminal comprising: a support frame adapted to define an accommodation space; a pair of first clamping arms, disposed in the accommodating space, the ends of which form a clamping portion, adapted to selectively clamp the conductor of the wire inserted from the first insertion direction and form an electrical connection therewith; A pair of second clamping arms are disposed in the accommodating space, the ends of which form a clamping portion, and are adapted to selectively clamp the wires inserted in a second insertion direction different from the first insertion direction. conductors and make electrical connections with them. 2 . The conductive terminal of claim 1 , wherein the first insertion direction is perpendicular to the second insertion direction. 3 . 3 . The conductive terminal according to claim 2 , wherein the support frame comprises a bottom wall and two side walls perpendicular to the bottom wall, and the first insertion direction is parallel to the plane where the bottom wall is located. 4 . , the second insertion direction is perpendicular to the plane where the bottom wall is located. 4 . The conductive terminal according to claim 1 , wherein the support frame, the first clamping arm and the second clamping arm are integrally formed from a piece of metal sheet. 5 . 5 . The conductive terminal according to claim 3 , wherein the support frame further comprises a pair of cantilevers, the cantilevers are formed by bending inward from the first ends of the two side walls, and the pair of the first A clamping arm respectively extends obliquely toward the downstream side of the first insertion direction from the free ends of the cantilever arms away from the first end. 6 . The conductive terminal of claim 5 , wherein a pair of the second clamping arms face each other from a side of the cantilever away from the bottom wall toward a downstream side in the second insertion direction. 7 . Inclined extension. 7. The conductive terminal according to any one of claims 3, 5 and 6, wherein the support frame further comprises a first end wall on the upstream side of the first insertion direction, the first end wall The end wall is provided with a first insertion hole suitable for inserting the conductor of the wire along the first insertion direction. 8. The conductive terminal according to any one of claims 3, 5 and 6, wherein the bottom wall comprises a second insertion hole adapted to insert the conductor of the wire in the second insertion direction. 9 . The conductive terminal according to claim 7 , wherein the support frame further comprises a top wall, the two side walls are vertically bent downward from two sides of the top wall, and the bottom wall is formed from 9 . The lower side of at least one of the two side walls is formed by being vertically bent toward each other, and the first end wall is formed by being vertically bent from one end of the top wall toward the bottom wall. 10 . The conductive terminal of claim 7 , wherein the support frame further comprises a second end wall opposite to the first end wall, the second end wall being adapted to block along the first end wall. 11 . Insertion Direction The movement of the conductor of the inserted wire along the first insertion direction. 11 . The conductive terminal of claim 9 , wherein a through hole is provided on the top wall to allow the conductor of the wire inserted in the second insertion direction to extend out of the conductive terminal. 12 . 12 . The conductive terminal according to claim 9 , wherein the first clamping arm and/or the second clamping arm further comprises a release portion, and the release portion is adapted to face downward under the action of an external force. 13 . moving away from each other to spread the clamping parts. 13 . The conductive terminal of claim 12 , wherein a release hole communicated with the release portion is provided on the top wall. 14 . 14 . The conductive terminal according to claim 1 , wherein a thorn portion is provided on the clamping portion, and the thorn portion is suitable for clamping and piercing the insulating sheath of the wire so as to be connected with the wire. 15 . The conductors form electrical connections. 15. A connector assembly comprising: The conductive terminal of any one of claims 1-14; and a circuit board, the conductive terminals are electrically connected to the circuit board, the circuit board is provided with through holes, and the second clamping arms of the conductive terminals are suitable for selectively clamping to pass through from the second insertion direction The conductors of the wires are inserted into the through holes of the circuit board.