阅读说明：本技术 一种易清洁长寿命弹性接触件结构 (easy-to-clean long-life elastic contact element structure ) 是由 顾晶 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种易清洁长寿命弹性接触件结构,包括插针基座合件以及插孔基座合件,本发明采用插针基座合件上插针接触件的半圆球端与插孔基座合件上插孔接触件的弧形凹穴触及的连接方式；该方式使得本发明插针接触件与插孔接触件之间为非摩擦接触,接触件无磨损,通过弹簧提供的弹力,保持接触件的接触可靠性,延长了接触件的使用寿命。本发明插针基座合件上插针接触件的半圆球端与插孔基座合件上插孔接触件的弧形凹穴触及,由于插孔接触件改变了传统的深孔设计,利于对接触件表面存在的粉尘、水汽等杂物的清洁,避免接触件表面镀层的磨损与脱落,提高了接触件的工作可靠性。(The invention discloses an easy-to-clean long-life elastic contact element structure, which comprises a contact pin base assembly and a jack base assembly, wherein the contact mode that a semi-spherical end of a contact pin contact element on the contact pin base assembly is contacted with an arc-shaped recess of a jack contact element on the jack base assembly is adopted, the contact element is in non-friction contact with the jack contact element in the mode, the contact element is not abraded, the contact reliability of the contact element is kept through the elastic force provided by a spring, and the service life of the contact element is prolonged.)

1, kinds of easy-to-clean long-life elastic contact element structure, characterized by that, it includes inserting needle base assembly (1) and jack base assembly (2);

the pin base assembly (1) consists of a pin contact piece (11), a pin sleeve (12), a spring (13) and a pin base (14);

the pin base (14) is a cylindrical part, a plurality of pin holes (141) are formed in the pin base along the circumference, ribs (142) are arranged in the pin holes (141), and the ports of the pin holes (141) are provided with retaining rings (143);

the pin sleeve (12) is a rod piece with an axle hole (123) at the end and a welding cup (121) at the end, and a groove (122) is arranged on the rod body;

the pin contact piece (11) is a rod piece provided with a step (111), and the contact end of the pin contact piece (11) is a semi-spherical end (114);

the other end of the pin contact element (11) is arranged in the shaft hole (123) of the pin sleeve (12), and the spring (13) is arranged between the pin contact element (11) and the pin sleeve (12) to form a pin closing element;

the pin closing parts are multiple and are sequentially arranged in a pin hole (141) of the pin base (14), the step (111) of the pin contact piece (11) is contacted with the retaining ring (143) of the pin base (14), and the groove (122) of the pin sleeve (12) is clamped with the rib (142) of the pin base (14);

the jack base assembly (2) consists of a jack contact element (21) and a jack base (22);

the jack base (22) is a columnar piece, and a plurality of jack contact piece holes (221) are formed in the jack base along the circumference;

the contact end of the jack contact element (21) is provided with an arc-shaped recess (211), the jack contact elements (21) are a plurality of pieces and are sequentially arranged in jack contact element holes (221) of the jack base (22);

the pin base closing piece (1) and the jack base closing piece (2) are fixedly connected with the cabinet through the connector shell respectively, and the semicircular spherical end (114) of the pin contact piece (11) on the pin base closing piece (1) is contacted with the arc-shaped recess (211) of the jack contact piece (21) on the jack base closing piece (2).

2. easy-to-clean long-life elastic contact structure, as claimed in claim 1, wherein the other end of the pin contact (11) slides in the shaft hole (123) of the pin bushing (12).

3. easy-to-clean long-life elastic contact part structure, as claimed in claim 1, wherein the groove (122) of the pin sleeve (12) is press-fit engaged with the rib (142) of the pin base (14).

Technical Field

The invention relates to the technical field of electric connectors, in particular to an elastic contact piece structure with easy cleaning and long service life.

Background

The contact of traditional connector is the cooperation of elasticity jack and rigid contact pin or the cooperation of elasticity contact pin and cylinder formula jack like this, contact principle is like the contact of contact pin and inserts in the jack contact, provide radial normal pressure through the elasticity position in the jack or the elasticity position on the contact pin and guarantee the contact reliability, when actual plug, because the contact position periphery all has great frictional force, in the long-term use, can lead to wearing and tearing to increase, frictional force reduces, until the phenomenon of contact failure takes place, in addition, the jack of this type of contact all is deep hole form and sets up inside the shell like, in the use, if meet the pollution of debris such as dust, steam, the difficult problem of cleaning exists, the contact pin of contact and the jack of contact rub for a long time, except leading to the contact position wearing and tearing seriously, still can lead to the problem that the contact cladding material drops seriously.

Disclosure of Invention

The invention aims to provide elastic contact element structures with easy cleaning and long service life aiming at the defects of the prior art, and the invention adopts a connection mode that the semi-spherical end of the contact element on the contact pin base assembly is contacted with the arc-shaped recess of the contact element on the jack base assembly, so that the contact element is in non-friction contact with the jack contact element, the contact element is not abraded, the contact reliability of the contact element is kept through the elasticity provided by a spring, and the service life of the contact element is prolonged.

The specific technical scheme for realizing the purpose of the invention is as follows:

kinds of easy-to-clean long-life elastic contact element structure, its characteristic includes the base assembly of the contact pin and jack base assembly;

the pin base assembly consists of a pin contact part, a pin sleeve, a spring and a pin base;

the pin base is a columnar piece, a plurality of pin holes are formed in the pin base along the circumference, convex edges are arranged in the pin holes, and stopping rings are arranged at the ports of the pin holes;

the pin sleeve is a rod piece with an axle hole at the end and a welding cup at the end, and a groove is arranged on the rod body;

the contact pin contact element is a rod piece provided with a step, and the contact end of the contact pin contact element is a semi-spherical end;

the other end of the pin contact piece is arranged in the shaft hole of the pin sleeve, and the spring is arranged between the pin contact piece and the pin sleeve to form a pin closing piece;

the pin closing members are a plurality of members and are sequentially arranged in the pin holes of the pin base, the steps of the pin contact members are in contact with the stop rings of the pin base, and the grooves of the pin sleeves are clamped with the convex edges of the pin base;

the jack base assembly consists of a jack contact element and a jack base;

the jack base is a columnar piece, and a plurality of jack contact piece holes are formed in the jack base along the circumference;

the contact end of the jack contact element is provided with an arc-shaped recess, and the jack contact elements are a plurality of jack contact elements and are sequentially arranged in the jack contact element holes of the jack base;

the pin base closing piece and the jack base closing piece are fixedly connected with the cabinet through the connector shell respectively, and the semi-spherical end of the pin contact piece on the pin base closing piece is contacted with the arc-shaped recess of the jack contact piece on the jack base closing piece.

The other end of the pin contact slides within the axial bore of the pin sleeve.

The groove of the pin sleeve and the convex edge of the pin base are in press fit clamping connection.

The invention divides the contact pin into a contact pin contact element and a contact pin sleeve front part and a contact pin sleeve rear part, and a spring is additionally arranged between the contact pin contact element and the contact pin sleeve rear part to form an elastic contact pin assembly.

The invention adopts a connection mode that the semi-spherical end of the contact pin contact element on the contact pin base assembly is contacted with the arc-shaped recess of the jack contact element on the jack base assembly; the mode ensures that the contact pin contact element and the jack contact element are in non-friction contact, the contact elements are free from abrasion, the contact reliability of the contact elements is kept through the elastic force provided by the spring, and the service life of the contact elements is prolonged. The semi-spherical end of the contact pin contact element on the contact pin base assembly is contacted with the arc-shaped recess of the jack contact element on the jack base assembly, and the jack contact element changes the traditional deep hole design, so that the cleaning of dust, water vapor and other impurities on the surface of the contact element is facilitated, the abrasion and falling of a coating on the surface of the contact element are avoided, and the working reliability of the contact element is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a pin base assembly according to the present invention;

FIG. 3 is a schematic structural view of a pin assembly according to the present invention;

FIG. 4 is a schematic structural diagram of the receptacle base assembly of the present invention.

Detailed Description

Referring to fig. 1, the present invention includes a pin base assembly 1 and a socket base assembly 2.

Referring to fig. 1, 2 and 3, the pin base assembly 1 is composed of a pin contact 11, a pin sleeve 12, a spring 13 and a pin base 14;

the pin base 14 is a cylindrical member, a plurality of pin holes 141 are circumferentially arranged on the pin base, ribs 142 are arranged in the pin holes 141, and a stop ring 143 is arranged at the port of the pin hole 141;

the pin sleeve 12 is a rod member with an axle hole 123 at the end and a welding cup 121 at the end, and a groove 122 is arranged on the rod body;

the pin contact element 11 is a rod provided with a step 111, and the contact end of the pin contact element 11 is a semi-spherical end 114;

the other end of the pin contact element 11 is arranged in the shaft hole 123 of the pin sleeve 12, and the spring 13 is arranged between the pin contact element 11 and the pin sleeve 12 to form a pin closing element;

the pin assembly is several, and is sequentially disposed in the pin hole 141 of the pin base 14, the step 111 of the pin contact 11 contacts with the retaining ring 143 of the pin base 14, and the groove 122 of the pin sleeve 12 is clamped with the rib 142 of the pin base 14.

Referring to fig. 1 and 4, the socket base assembly 2 is composed of a socket contact 21 and a socket base 22;

the jack base 22 is a columnar piece, and a plurality of jack contact piece holes 221 are formed in the jack base along the circumference;

the contact end of the jack contact piece 21 is provided with an arc-shaped recess 211, and the jack contact pieces 21 are several and are sequentially arranged in the jack contact piece holes 221 of the jack base 22.

Referring to fig. 1, fig. 2 and fig. 4, the pin base assembly 1 and the socket base assembly 2 are respectively and fixedly connected to the cabinet through the connector housing, and the semi-spherical end 114 of the pin contact 11 on the pin base assembly 1 contacts with the arc-shaped recess 211 of the socket contact 21 on the socket base assembly 2.

Referring to fig. 2 and 3, the other end of the pin contact 11 slides within the axial bore 123 of the pin sleeve 12.

Referring to fig. 2 and 3, the groove 122 of the pin sleeve 12 is press-fit with the rib 142 of the pin base 14.

The invention is used as follows:

the pin base assembly 1 and the jack base assembly 2 are matched with a cabinet in a connector shell, the pin base assembly 1 is arranged in the connector shell, the jack base assembly 2 is assembled with the cabinet, when the connector shell and the cabinet are assembled, the pin base assembly 1 and the jack base assembly 2 are inserted, and the semi-spherical end 114 of the pin contact element 11 on the pin base assembly 1 is contacted with the arc-shaped recess 211 of the jack contact element 21 on the jack base assembly 2.

When the connector works, as the pin base assembly 1 is fixed by the connector shell, the jack base assembly 2 is fixed by the cabinet, namely the relative connection position of the pin base assembly 1 and the jack base assembly 2 is fixed, at the moment, the semi-spherical end 114 of the pin contact element 11 on the pin base assembly 1 and the arc-shaped recess 211 of the jack contact element 21 on the jack base assembly 2 are kept in contact; when the relative connection position of the pin base assembly 1 and the socket base assembly 2 is fixed, the pin contact 11 moves left under the top contact of the socket contact 21, and because the spring 13 between the pin contact 11 and the pin sleeve 12 is compressed, under the reaction force of the spring 13, the semi-spherical end 114 of the pin contact 11 on the pin base assembly 1 is kept in contact with the arc-shaped recess 211 of the socket contact 21 on the socket base assembly 2, and the electrical connection between the pin contact 11 and the socket contact 21 is completed.

The connection mode that the semicircle ball end 114 of the contact element 11 on the contact pin base assembly 1 touches the arc-shaped recess 211 of the contact element 21 on the jack base assembly 2 has the following advantages;

the pin contact piece 11 and the jack contact piece 21 are in non-friction contact, the contact pieces are free from abrasion, the contact reliability of the pin contact piece 11 and the jack contact piece 21 is maintained through the elastic force provided by the spring 13, and the service life of the contact pieces is prolonged.

The semi-spherical end 114 of the pin contact element 11 on the pin base assembly 1 of the invention is contacted with the arc-shaped recess 211 of the jack contact element 21 on the jack base assembly 2, and the jack contact element 21 changes the traditional deep hole design, thus being beneficial to cleaning the dust, water vapor and other impurities on the surface of the contact element, avoiding the abrasion and falling of the coating on the surface of the contact element and improving the working reliability of the contact element 21.