CN101847811A

CN101847811A - Connector

Info

Publication number: CN101847811A
Application number: CN200910167445A
Authority: CN
Inventors: 竹田利光; 田中克佳
Original assignee: SMK Corp
Current assignee: SMK Corp
Priority date: 2009-03-24
Filing date: 2009-08-21
Publication date: 2010-09-29
Also published as: KR20100106894A; JP2010225446A

Abstract

The invention provides a connector which has small number of parts, prevents electronic members elastically connected by a lead part from dropping and has high reliability of electric contact. The connector consists of an elastic contact sheet which is electrically connected with the lead part of an electronic device and a limiter preventing the lead from dropping and is characterized in that the limiter consists of an insertion part, an anti-dropping end part and an arm sheet for supporting the insertion part and the insertion part and the anti-dropping end part, wherein the insertion part makes the limiter draw through the insertion of the lead part and the elastic deformation of the arm sheet so as not to obstruct advance of the lead part; and the anti-dropping end part moves to a gripping lead part along with restoration of the limiter owing to elasticity of the arm sheet after the lead part is inserted into a prescribed position of the elastic contact sheet.

Description

Jointing

Technical field

The present invention relates to the joint of electrical connection of the leading part of contact conductor portion that is used for fluorescent tube etc., electronic device.

Background technology

On electric component, electronic device, be provided with the leading part that is used to be electrically connected.

For example, being used for the liquid crystal indicator of LCD TV etc., use the cold cathode fluorescent tube that constitutes by the elongated glass tube of having enclosed inert gas as backlight, make leading part outstanding from the inert gas seal portion at glass tube two ends, and with this leading part insertion joint, thereby be electrically connected.

Existing joint design uses metal sheet material to establish a pair of

elastic contact chip

112a, 112b from base portion 111 is relatively upright, and inserts the leading part 1a of fluorescent tube 1 from top as shown in Figure 6.

But, in this joint design,, worry that then electronic device comes off from joint, the reliability existing problems that electrically contact if butt joint or electronic device etc. apply vibration or impact.

Have again, in the parts of on patent documentation 1 and market, selling, also exist as other parts the structure that is used to prevent the resinous cap assembly that comes off etc. is installed, but number of components increases, become the main cause that cost rises, also become the main cause of the installation work-hour increase of backlight arrangement.

Patent documentation 1: TOHKEMY 2007-165208 communique.

Summary of the invention

It is few and prevent coming off of electronic device of having connected with leading part elasticity etc. to the purpose of this invention is to provide the parts number of packages, and the good jointing of electrical contact reliability.

Jointing of the present invention is by being used for being electrically connected with the leading part of electronic device and having the elastic contact chip of conductivity and the limited part that comes off that is used to prevent to go between constitutes, it is characterized in that, limited part is by the insertion section, anticreep end and support this insertion section and the arm sheet of anticreep end constitutes, the insertion section is accompanied by the insertion of leading part and the strain by the arm sheet is kept out of the way limited part, so that do not hinder advancing of leading part, after leading part was inserted into the assigned position of elastic contact chip, the position that the anticreep end is accompanied by limited part moved to the position of fastening leading part because of the elasticity of arm sheet resets.

Here, the insertion section can also be the inclined-plane that narrows down gradually towards the leading part direction of insertion.

In addition, elastic contact chip and limited part and arm sheet can also be formed by a metallic plate.

Secondly, relate to jointing of the present invention by the elastic contact chip that is used for being electrically connected and having conductivity with the leading part of electronic device, be used to the limited part that prevents to go between and come off, and the strain portion formation that is used to support above-mentioned elastic contact chip, it is characterized in that, limited part is by the insertion section, anticreep end and support this insertion section and the arm sheet of anticreep end constitutes, the insertion section is accompanied by the insertion of leading part and the strain by the arm sheet is kept out of the way limited part, so that do not hinder advancing of this leading part, after leading part is inserted into the assigned position of elastic contact chip, the position that the anticreep end is accompanied by limited part moves to the position of fastening leading part because of the elasticity of arm sheet resets, and strain portion strain becomes elastic contact chip to follow the displacement or the distortion of leading part.

Effect of the present invention is described.

In relating to jointing of the present invention, also can use a metallic plate also to make integratedly of stamping-out and bending, if it is the anticreep of elastic contact chip and leading part is integrally formed with limited part, then the parts number of packages is few, and the leading part that prevents electronic device with limited part comes off from joint, improves the contact reliability of electric contact portion.

Limited part is owing to make insertion section and anticreep end portion supports on the arm sheet, so only the leading part with electronic device is pressed into to the insertion section, and the strain of utilizing the arm sheet is temporarily kept out of the way limited part, the position of anticreep end resets to position originally afterwards, the fastening leading part, thereby interconnect function is easy, improves the reliability that is electrically connected.

In addition, if use strain portion support elastic contact chip, then strain portion carries out displacement to absorb the displacement that elastic contact chip is accompanied by the leading part displacement of electronic device.

Description of drawings

Fig. 1 represents to relate to the stereoscopic figure of jointing of the present invention.

Fig. 2 represents the front view and the end view of jointing.

Fig. 3 represents the A-A line cutaway view and the B-B line cutaway view of jointing.

Fig. 4 represents to be provided with continuously the example of joint, (a) is the face side stereoscopic figure that connects side, (b) is rear side stereoscopic figure.

Fig. 5 represents the fluorescent tube erection sequence to joint.

Fig. 6 represents existing joint design example.

Among the figure:

10-fluorescent tube jointing, the 11-base portion, 12a, 12b-elastic contact chip, the 13-limited part,

The 13a-insertion section, 13b-anticreep end, 13c-arm sheet, 14-strain portion,

The 15-support portion, the upright sheet of establishing of 16-, 16a-is upright to establish lateral plate, 16b-stabilizer, 18-retaining hole.

Embodiment

The invention is characterized in, make the elastic contact chip and the limited part of the joint of the leading part that connects electric component, electronic device etc., below an one mode is described based on accompanying drawing with metallic plate.

Jointing with fluorescent tube is that example represents to relate to jointing of the present invention (being designated hereinafter simply as " joint ").

This jointing as shown in Figure 4 can be by carrying out stamping-out with a metallic plate with forcing press etc., carries out Bending Processing afterwards and form a plurality of joints 10.

Joint 10 carries out strain from base portion 11 to the leading part axial (direction of arrow shown in Fig. 3 (b)) of fluorescent tube, the upright strain portion 14 that is used to absorb the length variations that causes because of lighting a lamp of fluorescent tube that is provided with shown in Fig. 4 (b) and Fig. 3 (b).

This strain portion 14 becomes the arm shape 14a of portion that formed when turning back the band shape that prolongs so that the example of easy deformation more.

" U " word shape turns back down with side-looking in strain portion 14, formation support portion 15 above base portion 11, and shown in Fig. 3 (a), relatively upright a pair of elastic contact chip 12a, the 12b of being provided with in 15 the left and right sides from the support portion.

A pair of

elastic contact chip

12a, 12b are shown in Fig. 5 (c), and from the leading part 1a of sidepiece clamping fluorescent tube 1, the upper end forms the inclined plane to the direction bending of leaving mutually, so that insert leading part 1a easily from sidepiece.

Shown in Fig. 3 (a), edge-on being provided with of 15 fluorescent tube upright established sheet from the support portion, as shown in Figure 1, should stand and establish sheet 16 and be bent into roughly " U " word shape and form to stand and establish lateral plate 16a to overlook.

Establishing lateral plate 16a from a side upright establishes sheet 16 through front upright and cuts and form limited part 13.

If cutting so then in the deflection of the arm sheet 13c of the limited part 13 that prolongs with the direction of leading part 1a quadrature by overlooking into the L font, shown in Fig. 5 (b), is accompanied by the insertion of leading part 1a and carries out strain easily to the direction of arrow.

Limited part 13 with leading part 1a when the sidepiece of leading part inserts between the 12a of falling the elastic contact chip, the 12b, have the insertion section 13a of leading part at an end face with a side of leading part butt, the front end that this insertion section 13a becomes limited part 13 is to the base side 11 sides inclined plane that such direction of insertion towards leading part narrows down that descends.

Thus, the insertion section 13a of limited part 13 front end that becomes limited part be accompanied by leading part 1a insertion and to the inclined plane of keeping out of the way away from the direction of leading part.

If leading part 1a is inserted into the position of retaining hole 18 shown in Fig. 5 (c), then limited part 13 carries out elastic reset.

If limited part 13 carries out elastic reset, then shown in Fig. 5 (c), the anticreep end 13b that is located at the limited part front end is outstanding in the mode on the top of crosscut leading part 1a, thus the anticreep end 13b of the top of leading part 1a and limited part interference, thus prevent to come off.

In the present embodiment, though this anticreep end 13b roughly becomes the end face of level, be purpose with the disengaging that prevents leading part, can also be to the recessed recess shapes in top etc.

Strain portion 14 is supporting

elastic contact chip

12a, 12b from rear side, this strain portion 14 can be to the axial elasticity distortion of leading part, so as shown in Figure 1, to stand the bottom direction outside bending to the left and right of establishing lateral plate 16a and form stabilizer 16b, and form

prerotation vane

17a, 17b up and down.

Claims

1. jointing by being used for being electrically connected with the leading part of electronic device and having the elastic contact chip of conductivity and the limited part that comes off that is used to prevent to go between constitutes, is characterized in that,

Limited part is by insertion section, anticreep end and support this insertion section and the arm sheet of anticreep end constitutes,

The insertion section is accompanied by the insertion of leading part and the strain by the arm sheet is kept out of the way limited part, so that do not hinder advancing of this leading part,

After leading part was inserted into the assigned position of elastic contact chip, the position that the anticreep end is accompanied by limited part moved to the position of fastening leading part because of the elasticity of arm sheet resets.

2. jointing according to claim 1 is characterized in that,

The insertion section is the inclined-plane that narrows down gradually to the leading part direction of insertion.

3. jointing according to claim 1 and 2 is characterized in that,

Elastic contact chip, limited part and arm sheet are formed by a metallic plate.

4. jointing constitutes by being used for being electrically connected and having the strain portion that the elastic contact chip of conductivity, the limited part that comes off and being used to of being used to prevent to go between support above-mentioned elastic contact chip with the leading part of electronic device, it is characterized in that,

After leading part was inserted into the assigned position of elastic contact chip, the position that the anticreep end is accompanied by limited part moved to the position of fastening leading part because of the elasticity of arm sheet resets,

Strain portion strain becomes elastic contact chip to follow the displacement or the distortion of leading part.