WO2018033043A1

WO2018033043A1 - Flexible electrical connector and manufacturing method therefor

Info

Publication number: WO2018033043A1
Application number: PCT/CN2017/097354
Authority: WO
Inventors: 张常青
Original assignee: 深圳市铭仕新得电子有限公司
Priority date: 2016-08-17
Filing date: 2017-08-14
Publication date: 2018-02-22
Also published as: CN106654661B; CN106654661A

Abstract

A flexible electrical connector and a manufacturing method therefor. The flexible electrical connector comprises a cylindrical core (1) and an outer sleeve cylinder (2) formed by the outer edges of openings at either extremity of the cylindrical core (1) and provided on the exterior of the cylindrical core (1). The cylindrical core (1) comprises an upper cylinder (11), a lower cylinder (13), and multiple grating flexible pieces (12) provided between the upper cylinder (11) and the lower cylinder (13). The entire flexible electrical connector is of an integrated design. The flexible electrical connector is integrated, is formed from one piece of stamped plate being bent and fixed when stamped, and has simple manufacturing steps in comparison with a conventional electrical connector manufacturing method, thus saving large amounts of labor, materials, and financial resources, and also solving the problem of an existing manufacturing process being time-consuming and effort-consuming during batch production due to complexity.

Description

Title: An elastic electrical connector and preparation method thereof

[0001] The present invention generally relates to electrical connectors, and more particularly to an integral resilient electrical connector.

Background technique

[0002] The electrical connector is a widely used electronic device and is used in various electronic products. The existing electrical connector is generally composed of a sleeve and a grid shrapnel placed in the sleeve. After they are separately made, the grid shrapnel is pushed into the sleeve and fixed. The manufacturing process is cumbersome, mass production, squeezing and laborious, and if the grid shrapnel is pushed into the sleeve, if it is not operated properly, Lead to bad happening. technical problem

Problem solution

Technical solution

In order to solve the above-mentioned problems, the present invention provides an electrical connector in which a sleeve and a grid shrapnel are integrally formed. To achieve the object, the technical solution provided by the present invention is as follows:

[0004] An elastic electrical connector includes a core and an outer sleeve extending from the outer edge of the core at both ends to form an outer sleeve disposed outside the core; the core includes an upper cylinder, a lower cylinder, and A plurality of grid shrapnel between the upper cylinder and the lower cylinder, the entire electrical connector is integrally designed; the grid domes are arranged equidistantly parallel to each other.

[0005] Further, the grid shrapnel is a hyperbolic structure or an arched structure.

[0006] Further, the outer sleeve includes an upper outer cylinder extending from an outer cylinder and an outer outer cylinder extending outward from the lower cylinder, the upper outer cylinder and the lower outer cylinder The outer cylinders are joined on the outer surface of the core, and the upper outer cylinder and the lower outer cylinder together surround the core.

A method of producing an elastic electrical connector, the method comprising the steps of:

[0008] (1) Cutting: cutting the square punching piece, so that the long side length of the punching piece is the length of the core of the core, the upper outer cylinder and the lower outer cylinder, and the short side of the punching sheet is equal to the loop length of the core;

[0009] (2) Stamping: forming a plurality of equidistantly arranged grids parallel to the long sides of the stamping sheet on the stamping sheet, and then punching a row of holes parallel to the short sides at the two ends of the grid to form the upper process hole Zone and lower process hole zone; [0010] (3) Bending: After pressing the grid into an arched structure, the portion between the process hole area and the grid, and The portion between the lower process hole region and the grid is respectively folded back to form an outer sleeve;

[0011] (4) Coiling: Rolling the bent stamping piece into a cylindrical shape so that the two long sides overlap to form a cylinder; [0012] (5) Fixing: going through 1, 2, 3, 4 steps The resulting cylinder is fixed in a fixed manner by welding, riveting or bonding.

[0013] A method of producing an elastic electrical connector is also provided, the method comprising the steps of:

[0014] (1) Cutting: cutting the square punching piece, so that the long side length of the punching piece is the length of the core of the core, the upper outer cylinder and the lower outer cylinder, and the short side of the punching sheet is equal to the loop length of the core;

[0015] (2) Stamping: forming a plurality of equidistantly arranged grids parallel to the long sides of the stamping sheet on the stamping sheet, and punching a row of holes parallel to the short sides at the two ends of the grid to form the upper process hole area. And the lower process hole area; [0016] (3) bending: the portion between the upper process hole area and the grid, and the portion between the lower process hole area and the grid are respectively folded back to form an outer sleeve;

[0017] (4) Coiling: Rolling the bent stamping piece into a cylindrical shape so that the two long sides coincide to form a cylinder; [0018] (5) Twisting: twisting the cylinder to make the upper outer cylinder and The lower outer cylinder rotates relative to each other, and the inner grid is formed into a hyperboloid shape; the relative rotation angle is 15-45 degrees.

[0019] (6): Fixing: Fixing the cylinder to obtain the elastic electrical connector, which is fixed by welding, riveting or bonding.

Advantageous effects of the invention

Beneficial effect

[0020] The beneficial effects of the present invention are that the elastic electrical connector provided by the present invention is integrated, formed by stamping and stamping a stamping piece, and the manufacturing step is simple and saves compared with the conventional electrical connector manufacturing method. A lot of manpower, material and financial resources.

Brief description of the drawing

DRAWINGS

1 is a simplified schematic view of the present invention;

2 is a cross-sectional view of an arched structure of the present invention;

[0023] FIG. 3 is a schematic view of a grid dome of a hyperbolic structure;

4 is a schematic flow chart of a manufacturing method of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1

Referring to the accompanying drawings, an elastic electrical connector includes a core 1 and an outer sleeve extending from the outer edge of the core of the core 1 to form an outer sleeve 2 disposed outside the core 1; The upper cylinder 11 and the lower cylinder 13 and the grid spring 12 disposed between the upper cylinder 11 and the lower cylinder 13 are included; the outer sleeve 2 includes an outer sleeve extending from the outer cylinder 11 The upper outer cylinder 21 and the lower outer cylinder 22 formed by extending outwardly from the lower cylinder 13, the upper outer cylinder 21 and the lower outer cylinder 22 are placed on the outer surface of the core 1 at the core 1, and the upper outer cylinder 21 The core 1 is surrounded by the lower outer cylinder 22. The grid shrapnel has a hyperbolic structure formed by twisting as shown in FIG. 3, or an arched structure formed by direct stamping as shown in FIGS. 1 and 2 and arched toward the inside of the core.

[0027] Example 2

[0028] A method of fabricating an elastic electrical connector having an arched structure grid shrapnel is provided below, the method comprising the steps of:

[0029] (1) Cutting: cutting the square punching piece so that the long side length of the punching piece is the length of the core 1, the upper outer cylinder 21 and the lower outer cylinder 22, and the short side of the punching sheet is equal to the core of the cylinder Long

[0030] (2) Stamping: As shown in FIG. 4(a), a plurality of equidistantly arranged grids 4 parallel to the long sides of the stamping sheets are formed on the stamping sheets, and a column of parallels is respectively punched out at both ends of the grid 4. Forming the upper process hole area 31 and the lower process hole area 32 on the short side alignment holes;

[0031] (3) Bending: After pressing the grid 4 into an arch structure, as shown in FIG. 4(b), a part of the process hole area 31 between the upper process hole area 31 and the grid 4 is a boundary, and a portion between the lower process hole region 32 and the grid 4 below the process hole region 32 is respectively folded back outside the core;

[0032] (4) Coiling: As shown in FIG. 4(c), the bent stamping piece is rolled into a cylindrical shape, and the two long sides are overlapped to form a cylinder;

[0033] (6) Fixing: The cylinder obtained through the steps 1, 2, 3, and 4 is welded and fixed, and finally an elastic electrical connector having an arched structure grid shrapnel is obtained.

Embodiment 3

[0035] The method for manufacturing the elastic electrical connector with the hyperbolic structure grid shrapnel provided by the embodiment includes the following steps: [0036] (1) Cutting: cutting the square punching piece so that the long side length of the punching piece is the length of the core 1, the upper outer cylinder 21 and the lower outer cylinder 22, and the short side of the punching sheet is equal to the core of the cylinder long;

[0037] (2) Stamping: As shown in FIG. 4(a), a plurality of equidistantly arranged grids 4 parallel to the long sides of the stamping sheets are formed on the stamping sheets, and a column of parallels is respectively punched out at both ends of the grid 4. In the hole arranged in the short side, the upper process hole area 31 and the lower process hole area 32 are formed. In this embodiment, the grid 4, the upper process hole area 31 and the lower process hole area 32 are axially symmetric with respect to the center line of the stamping piece;

[0038] (3) Bending: As shown in FIG. 4(b), a part of the process hole area 31 between the upper process hole area 31 and the grid 4 is bounded, and the lower process hole area 32 and the grid The portion of the process hole area 32 between the four portions is respectively folded and placed outside the core of the core;

[0039] (4) Coiling: As shown in FIG. 4(c), the bent stamping piece is rolled into a cylindrical shape, and the two long sides are overlapped to form a cylinder;

[0040] (5) Torsion: Unlike the second embodiment, in the present embodiment, the cylinder is twisted to cause the upper outer cylinder 21 and the lower outer cylinder 22 to rotate relative to each other, as shown in Fig. 4(d). The internal grid is formed into a hyperboloid shape; the relative rotation angle is any angle of 15-45 degrees, such as 20 degrees and 30 degrees.

[0041] (6): Fixing: The cylindrical electric socket is riveted to obtain the elastic electrical connector, and finally an elastic electrical connector having a double curved surface grid shrapnel is obtained.

Claims

Claim

[Claim 1] An elastic electrical connector, comprising: a core and an outer edge extending from a rim of the two ends of the core to form an outer sleeve disposed outside the core; the core comprising the upper cylinder a lower cylinder and one or more grid shingles disposed between the upper cylinder and the lower cylinder.

[Claim 2] The elastic electrical connector according to claim 1, wherein the grid dome is a hyperboloid structure or an arch structure.

[Claim 3] The elastic electrical connector according to claim 1, wherein said outer sleeve includes an upper outer cylinder formed by an outwardly extending outer cylinder and an outer outer edge of the lower cylinder The lower outer cylinder is formed to extend, and the upper outer cylinder and the lower outer cylinder are in contact with each other on the outer surface of the core.

[Claim 4] A method of producing an elastic electrical connector, characterized in that the method comprises the following steps:

(1) Cutting: Cutting the square punching piece so that the long side length of the punching piece is the length of the core of the core, the upper outer cylinder and the lower outer cylinder, and the short side of the punching sheet is equal to the loop length of the core;

(2) Stamping: Form one or more grids parallel to the long side of the stamping sheet on the stamping sheet, and then punch a row of holes parallel to the short side at both ends of the grid to form the upper process hole area and the lower process hole area. ;

(3) Bending: After pressing the grid into an arch structure, the portion between the upper process hole area and the grid, and the portion between the lower process hole area and the grid are respectively folded back outside the core;

(4) Coiling: Rolling the bent stamping piece into a cylindrical shape so that the two long sides coincide to form a cylinder;

(5) Fixing: Fix the cylinder obtained in the steps 1, 2, 3, and 4.

[Claim 5] A method of producing an elastic electrical connector, characterized in that the method comprises the following steps:

(2) Stamping: forming more than one grid parallel to the long side of the stamping sheet on the stamping sheet, and punching a row of holes parallel to the short side at the two ends of the grid to form the upper process hole area and the lower process hole area; (3) Bending: the portion between the upper process hole area and the grid, and the portion between the lower process hole area and the grid are respectively folded back outside the core;

(5) Torsion: The cylinder is twisted so that the upper outer cylinder and the lower outer cylinder rotate relative to each other, so that the inner grid forms a hyperboloid shape;

(6) : Fix: Fix the cylinder to obtain the elastic electrical connector.

[Claim 6] The method according to claim 6, wherein the step (5) has a relative rotation angle of 15-4

5 degrees.

[Claim 7] The method according to claim 4 or 5 or 6, wherein the fixing is by welding, riveting or bonding.