CN200953395Y

CN200953395Y - Card edge connector

Info

Publication number: CN200953395Y
Application number: CNU2006201151601U
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2006-05-16
Filing date: 2006-05-16
Publication date: 2007-09-26
Anticipated expiration: 2016-05-16

Abstract

The utility model relates to a card edge connectors, in which an electronic card is inserted; the utility model comprises an insulation body, a plurality of terminals and two metal pieces; wherein each metal piece comprises a base plate firmly arranged on the two sides of the insulation body, an elastic arm connected with the base plate, and a support part provided with a support plate with an upward support surface, wherein the lower edge of the support plate is connected with the lower edge of the elastic arm; the utility model adopts the support part of the metal piece to block up and support an electronic card in order to prevent the electronic card from displacing downward, which can prevent the electronic card from generating vibration; the support part is formed on the elastic arm, has the good elasticity, isn't easy to generate deformation and damage, and can have the limit function of displacing outward.

Description

Bayonet connector

Technical field

The utility model relates to a kind of bayonet connector, relates in particular to a kind of upper surface that can be arranged at a circuit board, and the bayonet connector that supplies an electronic cards to plant.

Background technology

Existing bayonet connector is used to be arranged at the upper surface of a circuit board, and supplies the plant of an electronic cards, electrically connects circuit board and electronic cards to reach.As announce: 382836 (application cases number: " the electric connector " that 86118731) is disclosed with metal door bolt button in the TaiWan, China patent announcement on February 21st, 2000 numbering, it comprises that a dielectric casing and has the door bolt buckle assembly of door bolt cramp, the door bolt cramp of this door bolt buckle assembly can be buckled in the upper surface of electronic cards (subcard), in order to prevent that electronic cards from popping up, make being inserted on the dielectric casing that electronic cards can be firm.

Above-mentioned existing bayonet connector, though be provided with the door bolt cramp in order to the buckle electronic cards, this door bolt cramp can only pop up in order to prevent electronic cards, and can't prevent that electronic cards is to bottom offset, electronic cards does not have good supporting, is easy to generate vibration, makes the less stable of electronic cards.Therefore, this bayonet connector in order to support electronic cards, produces vibration in the hope of avoiding electronic cards in the door bolt buckle assembly horizontal flat board that extends internally, and makes the stable higher of electronic cards.

Yet directly in fastening the simple and crude flat board of moulding on the buckle assembly with a bolt or latch, its intensity is not good, be easy to generate distortion, damage, can't the effective support electronic cards, still have the not good problem of electronic cards stability and exist, and dull and stereotyped only have the function that supports electronic cards, and other function can't be provided.

Summary of the invention

Main purpose of the present utility model, being to provide a kind of bayonet connector, its can be certain prevent that electronic cards is to bottom offset, can avoid electronic cards to produce vibration, make the stable higher of electronic cards, thereby and can prevent that metalwork from outwards pulling and excessively produce permanent deformation to have limit function to outer displacement.

In order to reach above-mentioned purpose, the utility model provides a kind of bayonet connector, comprising: an insulating body, and it has slot; Several terminals, it is located on the insulating body of the upper and lower edge of slot, and each terminal all has contact site and pin portion, and the contact site is in this slot, and pin portion extends outside this insulating body; And two metalworks, respectively include a substrate, be fixedly arranged on two sides of this insulating body respectively; One elastic arm is connected in this substrate, and this elastic arm front end forms free end; And a support portion, it has one and supports supine supporting bracket, and this supporting bracket lower edge is connected in this elastic arm lower edge.

The utility model mainly utilizes the support portion block of metalwork to support electronic cards, in order to prevent that electronic cards is to bottom offset, can avoid electronic cards to produce vibration, make the stable higher of electronic cards, with the electric connection of guaranteeing that electronic cards and bayonet connector are stable, has preferable electrical characteristic, and the support portion is formed on the elastic arm, have better elastic, intensity is preferable, is difficult for producing distortion, damage, but effective support electronic cards, and this support portion can outwards be pulled when excessive at the elastic arm of metalwork, is resisted against the substrate inner edge, thereby has the limit function to outer displacement.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model bayonet connector and electronic cards, circuit board.

Fig. 2 is the three-dimensional exploded view of the utility model bayonet connector and electronic cards, another angle of circuit board.

Fig. 3 is the three-dimensional combination figure of the utility model bayonet connector and electronic cards, circuit board.

Fig. 4 is the front view of the utility model bayonet connector and electronic cards, circuit board part.

Fig. 5 is the stereogram of the utility model metalwork.

Embodiment

See also Fig. 1 to Fig. 3, the utility model provides a kind of bayonet connector, and it can be arranged at the upper surface of a circuit board 5, and plants for an electronic cards 6, electrically connects this circuit board 5 and electronic cards 6 to reach.This bayonet connector comprises an insulating body 1, several terminals 2,2 ' and two metalworks 3, and wherein this insulating body 1 is made with plastic material, and it has a main part 11, offers microscler slot 12 on this main part 11, can be in order to plug electronic cards 6.These main part 11 2 sides are extended with a fixing projection 13 respectively, this two fixedly projection 13 for protruding in the block of main part 11 front sides, this two fixedly respectively is formed with a platform part 14 and a lateral wall 15 along its bearing of trend on the projection 13, and these platform part 14 power supply subcards 6 usually can be placed on it.This can supply grafting fixing metal spare 3 two fixedly on the projection 13 and offer two jacks 16.

These terminals 2,2 ' are arranged on the main part 11 of this insulating body 1, these terminals 2,2 ' are located at upper and lower two rows respectively, it is located at slot 12 upper and lower edge respectively, these terminals 2,2 ' respectively have contact site 21,21 ' and pin portion 22,22 ', contact site 21,21 ' is positioned at this slot 12, can be in order to the electrical contact of electrical contact electronic cards 6, and pin portion 22,22 ' extends outside this main part 11, can be in order to electrically connect the electrical contact of circuit board 5.

This two metalwork 3 utilizes the metal material punching out to form, this two metalwork 3 is assembled in this two fixedly on the projection 13 from top to bottom, this two metalwork 3 respectively has a substrate 31, one weld part 32, one upper plate 33, one elastic arm 34, one pulling part 35, one guidance part 36, one Access Division 37, an one snapping portion 38 and a support portion 39 (please consulting Fig. 4 and Fig. 5 simultaneously), wherein this substrate 31 is a upright plate body, it is located at the inboard of the lateral wall 15 of this insulating body 1, these substrate 31 lower edges have also extended to form two inserted sheets 311 downwards, can be fixed in insulating body 1 corresponding two jacks 16 in order to grafting, make this two metalworks, 3 firm being assembled on the insulating body 1.These substrate 31 inner edges can in the present embodiment, be provided with a supporting part 312 in this substrate 31 in order to contact support portion 39, in order to this support portion 39 of contact.

This weld part 32 is formed by extending internally of substrate 31 lower edge levels, and this weld part 32 can be fixedly welded on the circuit board 5, and makes metalwork 3 this circuit board 5 that electrically conducts.This upper plate 33 is formed by stretching out of substrate 31 upper limb levels, and this upper plate 33 is a microscler plate body.

This elastic arm 34 reaches extension forward downwards by the nearly rear end of upper plate 33 outer rims and is formed, this elastic arm 34 is connected in substrate 31 by upper plate 33, this elastic arm 34 is a microscler upright plate body, these elastic arm 34 front ends form free end, it is arranged at the outside of the lateral wall 15 of this insulating body 1, the suitable length of fixedly projection 13 front ends of these elastic arm 34 free ends and outstanding this insulating body 1.

This pulling part 35 and guidance part 36 inwardly reach extension downwards by these elastic arm 34 free ends and are formed, and this pulling part 35 can be convenient to pull elastic arm 34 and outwards move, and makes Access Division 37 and snapping portion 38 be broken away from electronic cards 6, so that the taking-up of electronic cards 6.This guidance part 36 is positioned at pulling part 35 rears, and this guidance part 36 is bent into arc, can be convenient to guide this electronic cards 6 and press down the location.

This Access Division 37 is a upright plate body, and these Access Division 37 upper limbs are connected in this elastic arm 34 free end upper limbs, and this Access Division 37 can not move forward and backward electronic cards 6 in order to be connected in the corresponding breach 61 of electronic cards 6 two sides.This snapping portion 38 is extended to form by guidance part 36 lower edges, and this snapping portion 38 is positioned at 37 rears, Access Division, and this snapping portion 38 is the curved plate body of a bending, and it can be buckled in the upper surface of electronic cards 6 in order to compacting.

This support portion 39 is extended internally by these elastic arm 34 lower edges and is bent to form, it includes a supporting bracket 391, this supporting bracket 391 is a upright plate body, these supporting bracket 391 upper ends are down the bending of " U " type, and has a supporting surface 3911 up, these supporting bracket 391 upper ends have an outer rim 3912 outwardly in addition, these supporting bracket 391 lower edges are connected in this elastic arm 34 lower edges with a horizontal connecting plate 392, this connecting plate 392 is positioned at appropriate intervals place, supporting part 312 below, this supporting bracket 391 is positioned at supporting part 312 inboard appropriate intervals places, and electronic cards 6 can be supported in order to block in this support portion 39; By above-mentioned composition to form bayonet connector of the present utility model.

Bayonet connector of the present utility model can be arranged on the circuit board 5, and plant electronic cards 6 is in insulating body 1, make the electrical contact of electronic cards 6 see through terminal 2 in the slot 12,2 ' and circuit board 5 reach electric connection.When electronic cards 6 is inserted in the insulating body 1, the Access Division 37 of two metalworks 3 can be connected in the breach 61 of electronic cards 6, electronic cards 6 can not moved forward and backward, deviate from slot 12 to avoid

electronic cards

6,38 in the snapping portion of this two metalwork 3 can suppress the upper surface of the plate body 62 that is buckled in electronic cards 6, and it is firm that electronic cards 6 is planted.The support portion 39 of this two metalwork 3 can be supported the lower surface of the plate body 62 of electronic cards 6 in order to block, in order to prevent that electronic cards 6 is to bottom offset.

When desire is taken out electronic cards 6, can utilize the pulling part 35 of two metalworks 3 to pull elastic arm 34 and outwards move, make Access Division 37 break away from the breach 61 of electronic cards 6 two sides, make snapping portion 38 break away from electronic cards 6 simultaneously, so that the taking-up of electronic cards 6.When the elastic arm 34 of two metalworks 3 is outwards pulled when excessive, support portion 39 outer rims 3912 can be resisted against supporting part 312 inner edges 3122 of substrate 31 immediately, thereby produce spacing effect, outwards pull excessively in order to prevent elastic arm 34, to avoid causing permanent deformation or fracture.

The utility model mainly utilizes supporting surface 3911 blocks of the support portion 39 of metalwork 3 to support electronic cards 6, in order to prevent that electronic cards 6 is to bottom offset, so can avoid electronic cards 6 to produce vibration, make the stable higher of electronic cards 6, with the electric connection of guaranteeing that electronic cards and bayonet connector are stable, has preferable electrical characteristic.

Moreover, support portion 39 of the present utility model is formed on the elastic arm 34, has better elastic, intensity is preferable, and be not easy to produce distortion, damage, but the effective support electronic cards, make electronic cards stability preferable, and the supporting bracket 391 of this support portion 39 more can outwards be pulled when excessive at the elastic arm 34 of metalwork 3, is resisted against supporting part 312 inner edges 3122 of substrate 31 with its outer rim 3912, thereby has the limit function to outer displacement.

In addition, when electronic cards 6 unexpected popping up, electronic cards 6 can promote the snapping portion 38 interlock elastic arms 34 of two metalworks 3 and support portion 39 immediately to top offset, this moment connecting plate 341 immediately can contact and block in the bottom 3121 of supporting part 312, produce the limit function when top offset by this, pop up in order to prevent electronic cards 6.

Claims

1, a kind of bayonet connector is characterized in that, it comprises:

One insulating body, it has slot;

Several terminals, it is located on the insulating body of the upper and lower edge of slot, and each terminal all has contact site and pin portion, and the contact site is in this slot, and pin portion extends outside this insulating body; And

Two metalworks respectively include a substrate, are fixedly arranged on two sides of this insulating body respectively; One elastic arm is connected in this substrate, and this elastic arm front end forms free end; And a support portion, it has one and supports supine supporting bracket, and this supporting bracket lower edge is connected in this elastic arm lower edge.

2, bayonet connector according to claim 1 is characterized in that: these insulating body two sides respectively are provided with a fixing projection, and the substrate of this two metalwork is fixedly arranged on respectively on the fixedly projection of these insulating body two sides.

3, bayonet connector according to claim 2, it is characterized in that: the substrate lower edge of this two metalwork has extended to form inserted sheet downwards, and fixedly be provided with corresponding jack on the projection at two of this insulating body, this inserted sheet is pegged graft and is fixed in this fixedly in the corresponding jack of projection.

4, bayonet connector according to claim 1 is characterized in that: the substrate of this two metalwork is provided with a supporting part, and this supporting bracket is positioned at this supporting part clear width place.

5, bayonet connector according to claim 1 is characterized in that: the support portion of this two metalwork has a plate in addition, and this connecting plate is connected in this elastic arm lower edge and this supporting bracket lower edge.

6, bayonet connector according to claim 1 is characterized in that: the supporting bracket upper end of this two metalwork is bending, and has an outer rim outwardly.

7, bayonet connector according to claim 1, it is characterized in that: the substrate of this two metalwork is provided with a supporting part, this supporting bracket is positioned at this supporting part clear width place, the support portion of this two metalwork has a plate in addition, this connecting plate is connected in this elastic arm lower edge and this supporting bracket lower edge, and this connecting plate is positioned at this interval, supporting part below.

8, bayonet connector according to claim 1 is characterized in that: this two metalwork respectively has a weld part, and this weld part is extended to form by this substrate lower edge.

9, bayonet connector according to claim 1 is characterized in that: this two metalwork respectively has a upper plate, and this upper plate is stretched out by this substrate upper limb and forms, and this elastic arm is reached downwards by the nearly rear end of this upper plate outer rim and extends to form forward.

10, bayonet connector according to claim 1 is characterized in that: this two metalwork respectively has a pulling part, and this pulling part is inwardly reached by this free end of elastic arm upper limb and extends to form downwards.

11, bayonet connector according to claim 1 is characterized in that: this two metalwork respectively has a guidance part, and this guidance part is inwardly reached by this free end of elastic arm upper limb and extends to form downwards, and a snapping portion, and this snapping portion is connected in this guidance part lower edge.

12, bayonet connector according to claim 1 is characterized in that: this two metalwork respectively has an Access Division, and this Access Division is a upright plate body, and this Access Division upper limb is connected in this free end of elastic arm upper limb.