CN209766702U

CN209766702U - Connector for high-current terminal

Info

Publication number: CN209766702U
Application number: CN201920782364.8U
Authority: CN
Inventors: 吴上财
Original assignee: Dingyang Electrical Machinery (china) Co Ltd; Dinkle Enterprise Co Ltd
Current assignee: Dingyang Electrical Machinery (china) Co Ltd; Dinkle Enterprise Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2019-12-10
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a connector for a large current terminal, which comprises a contact element, a plurality of contact pins and a plurality of clamping arms, wherein the contact element is provided with two oppositely configured clamping arms and two guide connecting pieces which are arranged in a mutually overlapped mode and respectively extend from the two clamping arms; the shell is sleeved on the contact element and provided with an opening exposing the two clamping arms, and the large-current terminal is inserted between the two clamping arms through the opening. Therefore, the current has independent paths to flow to each guide connection piece, so that the current overload is avoided, and the use safety of the connector is improved.

Description

Connector for high-current terminal

Technical Field

The present invention relates to a connector structure, and more particularly, to a connector for a high current terminal.

Background

Connectors for high current terminals are commercially available for connecting a power bus (bus bar) of a network energy device, a cell base station, a server, an internet device or an industrial power distribution device to a circuit board.

In a conventional connector for a high current terminal, a conductive tab extends from one end of the connector and two holding arms extend from the other end of the connector, and the two holding arms are used for holding the high current terminal. However, when the current of the large current terminal enters the two clamping arms, the current of the two clamping arms will be converged to the same conducting strip together, which causes the current load of the conducting strip to be overloaded and the temperature to be high, thereby affecting the use safety of the connector.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: a connector for a large current terminal is provided, which prevents the occurrence of current overload by allowing a separate path for current to flow to each contact piece, thereby improving the safety of the connector in use.

In the embodiment of the present invention, the utility model provides a connector for heavy current terminal, include: the contact piece is provided with two clamping arms which are oppositely arranged and two guide connection pieces which are arranged in a stacked mode and extend from the two clamping arms respectively, 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 tabs extends from one of the rear ends and is bent toward the other rear end.

Optionally, each of the guide tabs is an L-shaped sheet bent away from the two clamping arms.

Optionally, each of the clamping arms has a bottom end, and a connecting piece bridging between the two clamping arms is integrally extended from the two bottom ends.

Optionally, the two guide tabs are fixedly connected to each other by riveting, locking or punching.

Optionally, the clamping device further comprises a housing, the housing is sleeved on the contact, 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 has a plurality of grooves formed from the front end toward the rear end and a plurality of elastic terminals formed opposite to the plurality of grooves.

Optionally, each of the elastic terminals is bent inward to have a plurality of bending convex points abutting against the large-current terminal, the housing extends to have a plurality of elastic press feet corresponding to the plurality of elastic terminals, each of the elastic press feet is bent inward to have an inward bending convex portion, and each of the inward bending convex portions abuts against each of the bending convex points.

Optionally, each of the clamping arms has a top end and a bottom end, a stop block extends from each of the top ends and the bottom ends, and one end of the housing stops the stop blocks and the other end stops the two guide connecting pieces.

Optionally, the clamping device further comprises a conductive spacer, the conductive spacer is disposed between the two clamping arms and the high-current terminal, and the conductive spacer has a plurality of outer protrusions abutting against the two clamping arms and a plurality of inner protrusions abutting against the high-current terminal.

Based on the above, when the current of the large current terminal enters the two clamping arms, each clamping arm leads the current to each conducting sheet respectively, so that the current has a separate path to flow to each conducting sheet, thereby avoiding the problem of current overload caused by the current flowing to the same conducting sheet together, and achieving the purpose of improving the use safety of the connector.

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

Drawings

Fig. 1 is an exploded perspective view of the connector of the present invention.

Fig. 2 is a schematic perspective view of the contact member of the present invention.

Fig. 3 is a schematic top view of the contact of the present invention.

Fig. 4 is a perspective assembly view of the connector of the present invention.

Fig. 5 is a schematic view of a usage state of the connector of the present invention.

Fig. 6 is an exploded perspective view of another embodiment of the connector of the present invention.

Fig. 7 is a schematic view of a usage state of another embodiment of the connector of the present invention.

In the figure:

100 … high current terminal; 10 … connector; 1 … contact element; 11 … gripping arms; 111 … top end; 112 … bottom end; 113 … front end; 114 … rear end; 12 … guide tab; 13 … connecting pieces; 14 … grooves; 15 … resilient terminals; 151 … turning bumps; 16 … stop block; 2 … shell; 21 … opening; 22 … resilient presser foot; 221 … inward curved convex part; 3 … conductive spacers; 31 … outer protrusions; 32 … inner convex part.

Detailed Description

The detailed description and technical contents of the present invention will be described below with reference to the accompanying drawings, which are schematic drawings for illustrative purposes only and are not intended to limit the present invention.

Referring to fig. 1 to 5, the present invention provides a connector for a high current terminal, the connector 10 mainly includes a contact 1 and a housing 2.

As shown in fig. 1 to 5, the contact 1 is made of metal, the contact 1 includes two holding arms 11 disposed opposite to each other and two conductive tabs 12 extending from the two holding arms 11 and stacked on each other, and the two conductive tabs 12 are fixed to each other by riveting, locking, or pressing.

As described in detail below, each of the holding arms 11 has a top end 111, a bottom end 112, a front end 113 and a rear end 114 opposite to each other, each of the guiding tabs 12 is formed by extending from one of the rear ends 114 and bending toward the other rear end 114, and each of the guiding tabs 12 is an L-shaped sheet bending away from the two holding arms 11.

In addition, a connecting piece 13 bridging between the two clamping arms 11 extends integrally from the two bottom ends 112, so that the two clamping arms 11 and the two guide pieces 12 are integrally formed with each other and are bent from the same metal sheet.

Furthermore, each of the clamping arms 11 has 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 of the elastic terminals 15 is bent inward to have a plurality of turning bumps 151 abutting against the large current terminal 100, so that more effective electrical contact points are formed between each of the clamping arms 11 and the large current terminal 100, and the butt joint between the connector 10 and the large current terminal 100 is more stable.

As shown in fig. 1, 4 and 5, the housing 2 is made of a hard material having elasticity, such as metal or plastic, the housing 2 is sleeved on the contact 1, the housing 2 is provided with an opening 21 exposing the two holding arms 11, and the large current terminal 100 is inserted between the two holding arms 11 through the opening 21.

as described further below, the top end 111 and the bottom end 112 of each holding arm 11 respectively extend to form a stop block 16, one end of the housing 2 is stopped by each stop block 16 and the other end is stopped by two guide tabs 12, that is, the housing 2 is sandwiched between each stop block 16 and two guide tabs 12, so that the housing 2 is firmly sleeved on the contact 1.

In addition, a plurality of elastic press feet 22 corresponding to the plurality of elastic terminals 15 extend from the housing 2, each elastic press foot 22 is bent inward to form an inward-bending convex portion 221, each inward-bending convex portion 221 abuts against each bending convex point 151, so that each inward-bending convex portion 221 can press each bending convex point 151, each elastic terminal 15 can firmly clamp the large-current terminal 100, and the butt joint stability of the connector 10 and the large-current terminal 100 is improved.

As shown in fig. 1 to 2 and 5, in the using 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 respectively leads the current to each conducting piece 12, so that the current has an independent path to flow to each conducting piece 12, thereby avoiding the problem of current overload caused by the common current converging to the same conducting piece, and achieving the purpose of improving the safety of the connector 10.

Referring to fig. 6 to 7, another embodiment of the connector 10 of the present invention is shown, the embodiment of fig. 6 to 7 is substantially the same as the embodiment of fig. 1 to 5, and the difference between the embodiment of fig. 6 to 7 and the embodiment of fig. 1 to 5 is that the connector 10 further includes a conductive spacer 3 and omits the components of the housing 2.

More specifically, the conductive spacer 3 is made of a metal material, the conductive spacer 3 is disposed between the two holding arms 11 and the large current terminal 100, and the conductive spacer 3 has a plurality of outer protrusions 31 abutting against the two holding arms 11 and a plurality of inner protrusions 32 abutting against the large current terminal 100. Therefore, the electrical contact points and the adjustment current between the two clamping arms 11 and the large current terminal 100 can be increased and adjusted through the plurality of outer protrusions 31 and inner protrusions 32, and the conductive spacer 3 can fill the gap between the two clamping arms 11 and the large current terminal 100, so that the connector 10 has excellent conductive efficiency, current adjustment capability and structural stability.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A connector for a high current terminal, comprising:

The contact piece is provided with two clamping arms which are oppositely arranged and two guide connection pieces which are arranged in a stacked mode and extend from the two clamping arms respectively, and the high-current terminal is inserted between the two clamping arms.

2. The connector for high current terminals of claim 1, wherein each of said holding arms has a rear end, and each of said guiding tabs is formed by extending from one of said rear ends and bending toward the other of said rear ends.

3. A connector for a high current terminal as claimed in claim 2, wherein each of said guide tabs is an L-shaped piece bent away from said two holding arms.

4. A connector for a high current terminal as claimed in claim 1, wherein each of said arms has a base end, and a connecting tab integrally extends from both of said base ends and spans between said arms.

5. A connector for high current terminals according to claim 1, wherein the two conductive tabs are riveted, locked or stamped to each other.

6. The connector for high current terminals of claim 1, further comprising a housing, said housing being received over said contact, said housing having an opening exposing said two clamping arms.

7. The connector for high current terminals of claim 6, wherein each of said clamping arms has a front end and a rear end, each of said clamping arms defines a plurality of slots from said front end toward said rear end and a plurality of spring terminals are formed opposite said plurality of slots.

8. The connector for high current terminals as claimed in claim 7, wherein each of said resilient terminals is bent inwardly to form a plurality of bending protrusions for abutting against said high current terminal, said housing extends a plurality of resilient pins corresponding to said plurality of resilient terminals, each of said resilient pins is bent inwardly to form an inwardly bent protrusion, and each of said inwardly bent protrusions abuts against each of said bending protrusions.

9. The connector for high current terminals of claim 6, wherein each of said arms has a top end and a bottom end, each of said top ends and each of said bottom ends extending with a stop, said housing stopping each other at one end with each of said stops and at the other end with said two guide tabs.

10. The connector for high current terminals of claim 1, further comprising a conductive spacer disposed between said two clamping arms and said high current terminal, said conductive spacer having a plurality of outer protrusions abutting said two clamping arms and a plurality of inner protrusions abutting said high current terminal.