CN201975542U

CN201975542U - Conductive terminal

Info

Publication number: CN201975542U
Application number: CN2011200271575U
Authority: CN
Inventors: 邓红波; 邹芳华; 张彬彬
Original assignee: Kunshan Jiahua Electronics Co Ltd
Current assignee: Kunshan Jiahua Electronics Co Ltd
Priority date: 2011-01-26
Filing date: 2011-01-26
Publication date: 2011-09-14
Anticipated expiration: 2021-01-26

Abstract

A conductive terminal comprises a welding part, an elastic part, an elastic arm and a contact part sequentially connected, wherein the elastic arm is positioned right above the welding part through the arc-shaped bending of the elastic part; the contact part is bent into a U shape and is positioned right above the welding part; two sides of the welding part bend towards the contact part to form a pair of vertical side walls; a sliding chute is arranged on each side wall and at least one edge of the sliding chute is provided with a bevel edge; hanging platforms extending to two sides are arranged at the tail end of the contact part and are elastically hung in the sliding chutes; and when the contact part is pressed and slides along the bevel edge, the bevel edges provide a support force to the contact part. The conductive terminal solves the problem that the elasticity of the conductive terminal is insufficient or even lost since the conductive terminal is in an elastic state for a long time for use.

Description

Conducting terminal

[technical field]

The utility model relates to a kind of conducting terminal, relates in particular to an a kind of end and is directly installed on the printed circuit board (PCB), and the other end electrically connects the conducting terminal of other electronic components.

[background technology]

Common electronic equipment has the conducting terminal that forms conductive path between two elements.Usually in two elements, one is printed circuit board (PCB), welding conducting terminal on it, and another element has contact chip, and contact chip is stressed against to this conducting terminal pressurized.

Common conducting terminal form is a flexible terminal.Traditional flexible terminal can form in flexible metal material forging and pressing, and this strip of metal material forms C shape structure to provide two from the extended limit of folding region usually.First limit of flexible terminal is a weld part, and it is welded on the printed circuit board (PCB); There is a contact site on second limit, the stressed contact site that compresses of the contact chip of abutment element, but because material be an elastomeric material, so, when contact site perpendicular to the direction loading on the plane of printed circuit board (PCB) the time, it plays the effect of spring.

Because can and cooperating between the contact chip at printed circuit board (PCB), elastic conduction terminal provide reliable electric connection, so be can flexible conducting terminal for a lot of conducting terminals of Xiao Shouing in the market.For example, a kind of conducting terminal is disclosed among the Chinese patent 201289923Y, the feel that this conducting terminal also is provided with prepressing structure when strengthening user's use.Yet in actual applications, this type of conducting terminal is in elastic stage for a long time, the elastic performance of conducting terminal is along with service time is permanent, and the elasticity deficiency can appear in conducting terminal, even the situation of elastic failure, cause contacting poor effect, bring great inconvenience to the user.

Given this, be necessary to design a kind of new conducting terminal and solve: conducting terminal is in elastic stage for a long time, and the elastic performance of conducting terminal is along with service time is permanent, and the elasticity deficiency can appear in conducting terminal, even the problem of elastic failure.

[utility model content]

Therefore, the technical problem that the utility model solves is: a kind of conducting terminal of lasting maintenance conducting terminal elastic performance is provided, solves conducting terminal elasticity deficiency, even the problem of elastic failure.

For overcoming the above problems, the utility model conducting terminal, it comprises weld part, elastic portion, elastic arm and the contact site that connects successively, elastic arm through the arc inflection of elastic portion be positioned at weld part directly over; The bending of described contact site is U type opening shape, be positioned at weld part directly over, the two side direction contact sites bending of weld part is provided with vertical pair of sidewalls, wherein, sidewall is provided with chute, Yi Bian this chute has the hypotenuse of being set at least; Extension is provided with hanging platform to the end of contact site to both sides, and this hanging platform hangs in this chute with having elastic force, and this contact site slides along hypotenuse when pressurized, and this hypotenuse is given support force of contact site simultaneously.

Compared with prior art, the contact site end of the utility model conducting terminal is established by hanging platform, the two side direction contact sites bending of weld part is provided with vertical pair of sidewalls, and this oppose side wall is provided with chute, this hanging platform precompressed hangs in the chute, hanging platform hangs in this chute with having elastic force, hanging platform slides along the hypotenuse of chute, this hypotenuse is given support force of contact site simultaneously, when abutment element is stressed when compressing contact site, when the contact site of U type is subjected to elastic portion elasticity Hui Li, hanging platform has an expansionary force when being subjected to the obstruction on inclined-plane, produce a flexible butt power, be in elastic stage for a long time so can effectively solve conducting terminal, the elastic performance of conducting terminal is along with service time is permanent, the elasticity deficiency can appear in conducting terminal, even the problem of elastic failure.

[description of drawings]

Fig. 1 is the stereogram of the utility model conducting terminal;

Fig. 2 is the not schematic diagram during precompressed of the utility model conducting terminal;

Fig. 3 is the schematic perspective view after the utility model conducting terminal pressurized.

[embodiment]

Please refer to shown in Figure 1, the utility model conducting terminal 1, it comprises successively weld part 11, elastic portion 12, elastic arm 13 and the contact site 14 that connects.

Weld part 11 is tabular, is welded on the printed circuit board (PCB).Elastic portion 12 is the C type, is gone out by weld part 11 bending extensions, is provided with and prevents that scolding tin from rising to the arch 18 of elastic portion 12 being positioned at the junction.Elastic arm 13 is extended by elastic portion 12, through the arc inflection of elastic portion 12 be positioned at weld part 11 directly over.Contact site 14 is extended by elastic arm 13, and bending is the U type, forms the contact-making surface of circular arc, be positioned at weld part 11 directly over.Wherein, two side direction contact sites, 14 bendings of weld part 11 are provided with vertical pair of sidewalls 16, sidewall 16 places the both sides of contact site 14, each sidewall 16 is provided with a leg-of-mutton chute 17 of chamfer, the plane parallel at one right-angle side and weld part 11 places, the angle on its hypotenuse and plane, weld part 11 place is greater than the angle on contact site 14 moving directions and plane, weld part 11 place.Contact site 14 is provided with hanging platform 15 away from an end of elastic arm 13 to both sides, hanging platform 15 hangs in the chute 17 with elastic force ground and on the parallel plane right-angle side at weld part 11 places, and when compressing contact site 14, slide on the hypotenuse of this chute 17 of hanging platform 15 butts and along this limit, because the angle on hypotenuse and plane, weld part 11 place is greater than the angle on contact site 14 moving directions and plane, weld part 11 place, so, the hanging platform 15 of U type contact site 14 has an expansionary force when being subjected to the obstruction on inclined-plane, produces a flexible support force.

In sum, contact site 14 ends of the utility model conducting terminal 1 are established by hanging platform 15, two side direction contact sites, 14 bendings of weld part 11 are provided with vertical pair of sidewalls 16, and this oppose side wall 16 is provided with chute 17, these hanging platform 15 precompressed hang in the chute 17, hanging platform 15 hangs in this chute 17 with having elastic force, hanging platform 15 is along sliding on the hypotenuse of chute 17 and along this limit, and the angle of inclination of hypotenuse is greater than the angle on contact site 14 moving directions, when abutment element is stressed when compressing contact site 14, when the contact site 14 of U type is subjected to elastic portion 12 elasticity Hui Li, hanging platform 15 has an expansionary force when being subjected to the obstruction on inclined-plane, produce a flexible support force, so can effectively solve conducting terminal 1 is in elastic stage for a long time, the elastic performance of conducting terminal 1 is along with service time is permanent, the elasticity deficiency can appear in conducting terminal 1, even the problem of elastic failure.

Above embodiment only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, any equivalence to technical solutions of the utility model changes those of ordinary skills by reading the utility model specification, is claim of the present utility model and contains.

Claims

1. conducting terminal, it comprises weld part, elastic portion, elastic arm and the contact site that connects successively, described elastic arm through the arc inflection of elastic portion be positioned at weld part directly over; The bending of described contact site is U type opening shape, be positioned at weld part directly over, the two side direction contact sites bending of described weld part is provided with vertical pair of sidewalls, it is characterized in that: described sidewall is provided with chute, Yi Bian this chute has the hypotenuse of being set at least; Extension is provided with hanging platform to the end of described contact site to both sides, and this hanging platform hangs in this chute with having elastic force, and this contact site slides along hypotenuse when pressurized, and this hypotenuse is given support force of contact site simultaneously.

2. conducting terminal according to claim 1 is characterized in that: described chute is the chamfer triangle, and described hanging platform elasticity hangs on the right-angle side of horizontal direction.

3. conducting terminal according to claim 2 is characterized in that: the junction of described weld part and elastic portion is provided with an arch portion, flow to elastic portion to prevent scolding tin.