CN209766702U - Connector for high-current terminal - Google Patents

Abstract

The utility model discloses a connector for high-current terminals, which includes a contact piece, which has two clamping arms arranged opposite to each other and two conductive contact pieces extending from the two clamping arms and stacked on each other; a housing is sleeved on the contact piece, and the housing is provided with an opening exposing the two clamping arms, and the high-current terminal is inserted between the two clamping arms through the opening. In this way, the current has a separate path to flow to each conductive contact piece, so as to avoid current overload, thereby improving the safety of the connector.

Description

Connectors for high current terminals

technical field

The utility model relates to a connector structure, in particular to a connector for large current terminals.

Background technique

There is a connector for high-current terminals on the market, which is used to connect the power bus (bus bar) of network energy equipment, cell base station, server, Internet equipment or industrial power distribution equipment to the circuit board.

In a traditional connector used for high-current terminals, one end of the connector is extended with a lead piece and the other end is extended with two clamping arms, and the two clamping arms are used for clamping the high-current terminals. However, when the current of the high-current terminal enters the two clamping arms, the current of the two clamping arms will jointly flow to the same conductive piece, resulting in overload of the current load of the conductive piece and high temperature, which will affect the use of the connector safety.

Utility model content

The purpose of this utility model is to provide a connector for high-current terminals, which uses a separate path for the current to flow to each contact piece, so as to avoid current overload and improve the safety of the connector.

In the embodiment of the utility model, the utility model provides a connector for high-current terminals, including: a contact piece, with two clamping arms arranged oppositely and mutually extending from the two clamping arms The two conductive strips are stacked, and the high-current terminal is inserted between the two clamping arms.

Optionally, each of the clamping arms has a rear end, and each of the guiding pieces extends from one of the rear ends and is bent toward the other rear end.

Optionally, each of the connecting pieces is an L-shaped piece bent away from the two clamping arms.

Optionally, each of the clamping arms has a bottom end, and two bottom ends integrally extend with a connecting piece spanning between the two clamping arms.

Optionally, the two guiding pieces are fixedly connected to each other by riveting, locking or stamping.

Optionally, a housing is further included, the housing is sleeved on the contact piece, and the housing is provided with an opening exposing the two clamping arms.

Optionally, each of the clamping arms has a front end and a rear end, and each of the clamping arms is provided with a plurality of grooves from the front end to the rear end and is formed opposite to the plurality of grooves. There are multiple spring terminals.

Optionally, each of the elastic terminals is bent inward to have a plurality of turning protrusions that abut against the high-current terminal, and the housing is extended with a plurality of elastic presser feet corresponding to the plurality of elastic terminals. , each of the elastic presser feet is bent inwardly with an inwardly curved convex portion, and each of the inwardly curved convex portions abuts on each of the turning convex points.

Optionally, each of the clamping arms has a top end and a bottom end, each of the top ends and each of the bottom ends respectively extend with a stopper, and one end of the housing is connected to each of the stoppers. The stopper and the other end stop each other with the two guide pieces.

Optionally, a conductive spacer is also included, the conductive spacer is arranged between the two clamping arms and the high-current terminal, the conductive spacer has a function that abuts on the two clamping arms A plurality of outer protrusions and a plurality of inner protrusions abutting against the large current terminal.

Based on the above, when the current of the high-current terminal enters the two clamping arms, each clamping arm leads the current to each lead piece respectively, so that the current has a separate path to flow to each lead piece, and prevents the current from converging to the same lead. In order to improve the safety of the connector, the problem of current overload occurs due to the contact piece.

Based on the above, each clamping arm is provided with a plurality of grooves and a plurality of elastic terminals are formed corresponding to the plurality of grooves, and each elastic terminal is bent with a plurality of turning bumps abutting against the high-current terminal, so that each The clamping arm forms more effective electrical contact points with the high-current terminal.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the connector of the present invention.

Fig. 2 is a three-dimensional schematic diagram of the contact piece of the utility model.

Fig. 3 is a schematic top view of the contact piece of the utility model.

Fig. 4 is a three-dimensional assembled view of the connector of the present invention.

Fig. 5 is a schematic diagram of the use state of the connector of the present invention.

Fig. 6 is a three-dimensional exploded view of another embodiment of the connector of the present invention.

Fig. 7 is a schematic view of another embodiment of the utility model connector in use.

In the picture:

100...High current terminal; 10...Connector; 1...Contact piece; 11...Clamping arm; 111...Top; 112...Bottom; 113...Front end; 114...Rear end; ;14...groove; 15...elastic terminal; 151...turning bump; 16...stop block; 2...housing; 21...opening; 22...elastic presser foot; ; 31... the outer convex part; 32... the inner convex part.

Detailed ways

The detailed description and technical content of the present utility model will be described as follows with the accompanying drawings, however, the accompanying drawings are schematic diagrams for illustrative purposes only, and are not intended to limit the present utility model.

Please refer to FIG. 1 to FIG. 5 , the utility model provides a connector for high-current terminals, the connector 10 mainly includes a contact 1 and a housing 2 .

As shown in Figures 1 to 5, the contact piece 1 is made of a metal material, and the contact piece 1 has two clamping arms 11 disposed opposite to each other and two conductors stacked on each other extending from the two clamping arms 11. piece 12, and the two connecting pieces 12 are fixedly connected to each other by means of riveting, locking or stamping.

The details are as follows, wherein each clamping arm 11 has a relative top end 111, a bottom end 112, a front end 113 and a rear end 114, and each lead piece 12 extends from one rear end 114 to the other. The rear end 114 is bent and formed, and each lead piece 12 is an L-shaped piece bent away from the two clamping arms 11 .

In addition, the two bottom ends 112 are integrally extended with a connecting piece 13 spanning between the two clamping arms 11, so that the two clamping arms 11 and the two connecting pieces 12 are integrally formed with each other and made of the same piece of metal. bent.

Moreover, each clamping arm 11 is provided with a plurality of grooves 14 from the front end 113 to the rear end 114, and a plurality of elastic terminals 15 are formed corresponding to the plurality of grooves 14, and each elastic terminal 15 is bent inward to have an abutment. The plurality of turning bumps 151 on the high-current terminal 100 form more effective electrical contact points between each clamping arm 11 and the high-current terminal 100 , making the connection between the connector 10 and the high-current terminal 100 more stable.

As shown in Figure 1, Figure 4 and Figure 5, the housing 2 is made of elastic hard material such as metal or plastic, the housing 2 is sleeved on the contact piece 1, and the housing 2 is provided with two exposed An opening 21 of the arm 11 through which the high current terminal 100 is inserted between the two clamping arms 11 .

Further description is as follows, the top end 111 and the bottom end 112 of each clamping arm 11 respectively extend a stop block 16, one end of the housing 2 stops with each stop block 16 and the other end stops with the two guide pieces 12. The stopper, that is, the housing 2 is sandwiched between each stop block 16 and the two guide pieces 12, so that the housing 2 is firmly sleeved on the contact piece 1.

In addition, the housing 2 is extended with a plurality of elastic presser feet 22 corresponding to the plurality of elastic terminals 15. Each elastic presser foot 22 is bent inwardly with an inwardly curved convex portion 221, and each inwardly curved convex portion 221 abuts on each turning point. The protruding points 151 enable each inwardly curved protruding portion 221 to pressurize each turning protruding point 151 , so that each elastic terminal 15 firmly clamps the high-current terminal 100 to improve the docking stability between the connector 10 and the high-current terminal 100 .

As shown in Fig. 1 to Fig. 2 and Fig. 5, in the use state of the connector 10 of the present invention, when the current of the high-current terminal 100 enters the two clamping arms 11, each clamping arm 11 leads the current to each clamping arm 11 respectively. The conductive strips 12 allow the current to have a separate path to flow to each conductive strip 12 , avoiding the problem of current overload caused by the common flow of currents to the same conductive strip, so as to improve the use safety of the connector 10 .

Please refer to Figures 6 to 7, another embodiment of the utility model connector 10, the embodiment of Figures 6 to 7 is roughly the same as the embodiment of Figures 1 to 5, the embodiment of Figures 6 to 7 The difference from the embodiment shown in FIGS. 1 to 5 is that the connector 10 of the present invention further includes a conductive spacer 3 , and the components of the housing 2 are omitted.

The details are as follows. The conductive spacer 3 is made of metal material. The conductive spacer 3 is arranged between the two clamping arms 11 and the large current terminal 100. There are a plurality of outer protrusions 31 and a plurality of inner protrusions 32 abutting against the large current terminal 100 . In this way, the electrical contact points and the current adjustment can be increased through a plurality of outer protrusions 31 and inner protrusions 32 between the two clamping arms 11 and the high-current terminal 100, and at the same time, the conductive spacer 3 can fill the two clamping arms The gap between 11 and the high-current terminal 100 enables the connector 10 to have excellent conduction efficiency, current regulation capability and structural stability.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (10)

1. A connector for high current terminals, characterized in that it comprises: A contact piece, having two clamping arms arranged opposite to each other and extending from the two clamping arms, respectively, two conductive strips stacked on each other, and a large current terminal is inserted between the two clamping arms . 2. The connector for high-current terminals as claimed in claim 1, wherein each of the clamping arms has a rear end, and each of the conductive pieces is respectively from one of the rear ends extending and bending toward the other rear end. 3. The connector for high-current terminals as claimed in claim 2, wherein each of the conductive pieces is an L-shaped piece bent away from the two clamping arms. 4. The connector for high-current terminals as claimed in claim 1, wherein each clamping arm has a bottom end, and the two bottom ends integrally extend to bridge between the two A connecting piece between the clamping arms. 5 . The connector for high-current terminals according to claim 1 , wherein the two conductive pieces are fixedly connected to each other by riveting, locking or stamping. 6 . 6. The connector for high-current terminals according to claim 1, further comprising a housing, the housing is sleeved on the contact piece, and the housing is provided with exposed An opening for the two clamping arms. 7. The connector for high-current terminals as claimed in claim 6, wherein each of the clamping arms has a front end and a rear end, and each of the clamping arms moves from the front end to the The rear end is provided with a plurality of grooves and a plurality of elastic terminals are formed opposite to the plurality of grooves. 8. The connector for high-current terminals according to claim 7, characterized in that, each of the elastic terminals is bent inwards to have a plurality of turning bumps abutting against the high-current terminals, and the The casing extends with a plurality of elastic presser feet corresponding to the plurality of elastic terminals, and each of the elastic presser feet is bent inwardly with an inwardly curved convex portion, and each of the inwardly curved convex portions abuts on each of the turning points Bump. 9. The connector for high-current terminals as claimed in claim 6, wherein each of the clamping arms has a top end and a bottom end, each of the top ends and each of the bottom ends respectively extend a As for the stop block, one end of the housing is mutually stopped by each of the stop blocks, and the other end is mutually stopped by the two guide pieces. 10. The connector for high-current terminals according to claim 1, further comprising a conductive spacer, the conductive spacer is arranged between the two clamping arms and the high-current terminal Between, the conductive spacer has a plurality of outer protrusions abutting on the two clamping arms and a plurality of inner protrusions abutting on the large current terminal.