CN2768244Y

CN2768244Y - Terminal fixing device for electric connector

Info

Publication number: CN2768244Y
Application number: CNU2004200573787U
Authority: CN
Inventors: 蔡周旋
Original assignee: TUOYANG IND CO Ltd
Current assignee: TUOYANG IND CO Ltd; Top Yang Technology Enterprise Co Ltd
Priority date: 2004-12-15
Filing date: 2004-12-15
Publication date: 2006-03-29
Anticipated expiration: 2014-12-15

Abstract

The utility model provides a terminal fixing device for an electric connector, which comprises a plastic seat body and a plurality of terminals, wherein the plastic seat body is provided with a plurality of inserting slots in a distant arrangement mode and the adjacent inserting slots are separated by a plastic wall. Each terminal is provided with a contact part, a fixing part and a connecting pin part. The fixing part is arranged between the contact part and the connecting pin part, and the fixing part is fixed with the inserting slots of the plastic seat body. One side of the fixing part of each terminal is provided with at least one first convex part and one first concave part which are continuously connected, and the other side of the fixing part of each terminal is provided with at least one second convex part and the second concave part which are continuously connected. The first convex part is mutually staggered with the second convex part, and the first concave part is mutually staggered with the second concave part. When the fixing part of each terminal is inserted in each inserting slot of the plastic seat body and is fixed, the plastic wall can deforme because of extrusion to form a concave-convex shape, and the first convex part, the second convex part, the first concave part and the second concave part of the fixing part can be clamped. Accordingly, the utility model can generate the large interfering and fastening effect by the small assembling force.

Description

The connector terminals fixture

Technical field

The utility model relates to a kind of electric connector, is meant a kind of connector terminals fixture especially.

Background technology

Present common electric connector, as the five in one connector of pin hole pedestal (pin header), boxlike pedestal (pinheader), CD drive (CD-ROM) use or the three-in-one connector that hard disk drive uses, the contact site of its terminal is mostly made needle body.

See also Fig. 1 and Fig. 2, become the connector terminals fixture of needle body for a kind of contact site of known terminal, it is to include: a plastics pedestal 10, and it is provided with a link slot 11 and is spaced and is provided with a plurality of slots 12, and adjacent slot is separated with a plastic wall 13; And a plurality of terminals 20, be to be connected when it is unassembled with a strip 29, strip 29 promptly fractures after assembling with plastics pedestal 10, it is provided with a contact site 21, a fixed part 22, reaches a pin portion 23, this fixed part 22 is to be located between contact site 21 and the pin portion 23, and the both sides of this fixed part 22 are provided with the dome 24 of symmetry protrusion and interfere packings to be fixed with the slot 12 of plastics pedestal 10.

Yet above-mentioned known structure still has following disappearance:

1. the domes 24 that protrude of two of the fixed part 22 of each terminal symmetries all are in identical extension position, thus its slot 12 with plastics pedestal 10 produce the strength of interference packing all be individual other, do not have the effect of terminals of adjacent addition.

2. if the fixed part 22 that will make terminal and slot 12 reach bigger interference packing to be fixed, the dome 24 that comparatively protrudes need be set then, like this then produce the difficult problem of assembling relatively.

See also Fig. 3, be to be a kind of another known connector terminals fixture, it is roughly identical with aforementioned known person, and the fixed part 22 that difference only is terminal 20 only interferes packings to be fixed in a hangnail 25 and a dome 24 that a side is provided with protrusion with the slot 12 of plastics pedestal 10; So the terminal fixed form equally all only is that the interference packing of single terminal and pedestal is fixed, and has above-mentioned shortcoming equally.

The utility model content

The purpose of this utility model is to provide a kind of connector terminals fixture, the slot that inserts the plastics pedestal when the fixed part of terminal is fixedly the time, can push the plastic wall distortion between this adjacent slot and form protuberance and the recess that staggers mutually in concavo-convex fixed part both sides of using the engaging terminal, the interference packing that terminals of adjacent produced by this all can the mutual extrusion packing, make the fixedly strength increasing of terminal have the effect of multiplying each other, so can reach with less assembling force volume production and give birth to bigger interference packing effect.

For reaching above-mentioned purpose, connector terminals fixture of the present utility model is to include:

One plastics pedestal, this plastics pedestal are spaced and are provided with a plurality of slots, and adjacent slot is separated with a plastic wall; And a plurality of terminals, this terminal is provided with a contact site, a fixed part, reaches a pin portion, and this fixed part is to be located between contact site and the pin portion, and this fixed part is fixed in the slot of this plastics pedestal; It is characterized in that: fixed part one side of this terminal is provided with at least one first protuberance and first recess that links to each other continuously, and opposite side is provided with at least one second protuberance and second recess that links to each other continuously, this first, second protuberance staggers mutually and this first, second recess staggers mutually, make this first protuberance to should second recess and second protuberance to should first recess; The fixed part of this terminal pushes this plastic wall and forms concavo-convex first and second protuberance and first and second recess to engage this fixed part.

Described connector terminals fixture is characterized in that: fixed part one side of this terminal can be provided with one first protuberance and 2 first recesses, and opposite side is provided with 2 second protuberances and one second recess.

Described connector terminals fixture is characterized in that: the contact site of this terminal can be a needle body shape.

Described connector terminals fixture is characterized in that: this pedestal can be provided with at least one link slot, and the contact site of this each terminal is to be a needle body shape to be positioned at this link slot.

Described connector terminals fixture is characterized in that: this pedestal also can be provided with most the link slots of separating, and the contact site of this each terminal is to be a needle body shape to be positioned at this majority link slot.

Connector terminals fixture of the present utility model, the slot that inserts the plastics pedestal when the fixed part of terminal is fixedly the time, can push the plastic wall distortion between this adjacent slot and form protuberance and the recess that staggers mutually in concavo-convex fixed part both sides of using the engaging terminal, the interference packing that terminals of adjacent produced by this all can the mutual extrusion packing, make the fixedly strength increasing of terminal have the effect of multiplying each other, so can reach with less assembling force volume production and give birth to bigger interference packing effect.

Above-mentioned and other purpose of the present utility model, advantage and characteristic by in the detailed description of following preferred embodiment and with reference to graphic when can be clearer, wherein:

Description of drawings

Fig. 1 is known connector terminals fixture sectional exploded view.

Fig. 2 is known connector terminals fixture section constitutional diagram.

Fig. 3 is known connector terminals fixture section constitutional diagram.

Fig. 4 is the stereogram of the utility model preferred embodiment integral body.

Fig. 5 is the cut-away section exploded view of the utility model preferred embodiment.

Fig. 6 is the cut-away section constitutional diagram of the utility model preferred embodiment.

Fig. 7 is the cut-away section combination enlarged drawing of the utility model preferred embodiment.

Embodiment

See also Fig. 4, Fig. 5, Fig. 6 and Fig. 7, present embodiment is a kind of connector (as the three-in-one connector of Hard Disk Drive use) of combined type, and it includes: a plastics pedestal 30 and a plurality of terminal 40, wherein:

This plastics pedestal 30, it is provided with the link slot 31 of three separations and is spaced and is provided with a plurality of slots 32, and adjacent slot is separated with a plastic wall 33.

This a plurality of terminal 40 is to be connected with a strip 49 when unassembled, strip 49 promptly fractures after assembling with plastics pedestal 30, it is provided with a contact site 41, a fixed part 42, reaches a pin portion 48, this fixed part 42 is to be located between contact site 41 and the pin portion 43, this fixed part 42 is fixing with the slot 32 of plastics pedestal, and this contact site 41 is a needle body shape and is positioned at link slot 31; It is characterized in that these fixed part 42 1 sides are provided with into one first protuberance 43 and 2 first recesses 44 that s shape links to each other continuously, and opposite side is provided with into 2 second protuberances 45 and one second recess 46 that s shape links to each other continuously, this first and

second protuberance

43,45 staggers mutually and this first and

second recess

44,46 staggers mutually, make 43 pairs of this one first protuberances should one second recess 46 and 45 pairs of 2 second protuberances should 2 first recesses 44.

By above structure, the slot 32 that inserts the plastics pedestals when the fixed part 42 of terminal is fixedly the time, can push this plastic wall 33 and be deformed into concaveconvex shape as s shape, uses first and

second protuberance

43,45 and first and

second recess

44,46 that engage this fixed part 62.

The utlity model has following advantage by above explanation:

1. the fixed part 42 of each terminal is used plastic wall 33 crimps one-tenth with first and

second protuberance

43,45 and 44,46 packings of first and second recess as the concaveconvex shape of s shape and is engaged, so these each plastic wall 33 distortion engage with fixed part 42 packings of both sides terminal 40, reach the effect that multiplies each other so the adhesion of whole row's terminal 42 and slot 32 can be involved mutually, thereby increase the bed knife of terminal 40 and plastics pedestal 30.

The fixed part 42 of terminal insert slots 32 be with plastic wall 33 crimps but not as known with the strong interference packing of symmetrical protuberance, can be lighter so insert power, assembling is easy.

The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to be easy to illustrate technology contents of the present utility model, and be not with the utility model narrow sense be limited to this embodiment, in fact, the utility model can be made many variations and implement.

Claims

1. connector terminals fixture, it includes:

One plastics pedestal, this plastics pedestal are spaced and are provided with a plurality of slots, and adjacent slot is separated with a plastic wall; And

A plurality of terminals, this terminal are provided with a contact site, a fixed part, reach a pin portion, and this fixed part is to be located between contact site and the pin portion, and this fixed part is fixed in the slot of this plastics pedestal;

It is characterized in that: fixed part one side of this terminal is provided with at least one first protuberance and first recess that links to each other continuously, and opposite side is provided with at least one second protuberance and second recess that links to each other continuously, this first, second protuberance staggers mutually and this first, second recess staggers mutually, make this first protuberance to should second recess and second protuberance to should first recess; The fixed part of this terminal pushes this plastic wall and forms concavo-convex first and second protuberance and first and second recess to engage this fixed part.

2. connector terminals fixture as claimed in claim 1 is characterized in that: fixed part one side of this terminal is provided with one first protuberance and 2 first recesses, and opposite side is provided with 2 second protuberances and one second recess.

3. connector terminals fixture as claimed in claim 1 is characterized in that: the contact site of this terminal is to be a needle body shape.

4. connector terminals fixture as claimed in claim 1 is characterized in that: this pedestal is provided with at least one link slot, and the contact site of this each terminal is to be a needle body shape to be positioned at this link slot.

5. connector terminals fixture as claimed in claim 1 is characterized in that: this pedestal is provided with most the link slots of separating, and the contact site of this each terminal is to be a needle body shape to be positioned at this majority link slot.