CN2325891Y

CN2325891Y - Means for fixing electric connector

Info

Publication number: CN2325891Y
Application number: CN 98202404
Authority: CN
Inventors: 刘进卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-03-19
Filing date: 1998-03-19
Publication date: 1999-06-23
Anticipated expiration: 2008-03-19

Abstract

The utility model relates to a structure for fixing a connector, which comprises a plurality of guide columns which are vertically arranged the lower part of a connector body, wherein, the guide columns are inserted in a plurality of jacks arranged on a circuit base board to position the connector body, both sides of each guide column are provided with a containing slot and a plurality of fixing clamps with a fixing end and a clamping sheet, the fixing ends are inserted at the bottom surface of the connector body and the positions of the two sides of the guide columns, the fixing ends extend downward to form the clamping sheets which are clamped in the containing slots of the two sides of the guide columns, the bottom of each clamping sheet is convexly provided with an arc-shaped clamping end outward and inserted in the jacks of the circuit base board, and the clamping ends are clamped at the bottom edges of the jacks. Consequently, the connector body is not easily disengaged from the circuit base board after inserted in the circuit base board.

Description

Connector fixing construction

The utility model belongs to line connector, relates in particular to a kind of connector fixing construction.

Connector construction on the computer motherboard, generally include a body made from plastic material, body is provided with a slot that can supply expansion board to insert along the y direction at its center, and several storage tanks are set respectively at the slot dual-side, be plugged on wherein for terminal, in addition, for cooperating the production routine of automation welding, the below of this connector body is provided with positioner usually, before being welded on circuit substrate in order to terminal at this connector body, this connector is located in advance or is fixed on the circuit substrate, be beneficial to carry out follow-up welding job, the positioner that traditional connector body is used, usually can be divided into two kinds, wherein a kind of a cylinder is set below connector body, utilize this cylinder to insert a circular hole that is arranged on the motherboard, position with guiding alignment connector body, the main effect of this positioner is correctly to insert the circuit substrate location by the guide connector body, the position is crooked when avoiding connector inserts, make the pin of connector can insert position, hole on the circuit substrate smoothly, so can make things convenient for the operation of connector inserts, and avoid the position, hole on each pin misalignment circuit machine plate of connector just to insert on the circuit substrate, and the pin that makes connector situation crooked or that fracture takes place, yet this location structure after also connector can't being inserted into circuit substrate is fixed connector, after so if connector is inserted into substrate, just circuit substrate can not be overturn, and avoid strenuous vibration in the circuit substrate handling process, otherwise this connector just can drop from circuit substrate, so just make connector necessary extreme care in handling process, and the restriction to operation is a lot, therefore be not suitable for the use of automation assembly line, another kind of positioner is the metal geometrical clamp of planting in the connector body bottom, and can utilize this geometrical clamp that connector body is fixed on the aforementioned circuit substrate, after this geometrical clamp inserts the location hole of circuit substrate, can block location hole, connector can not broken away from circuit substrate, so in the process of carrying circuit substrate, circuit substrate can arbitrary overturn, tilt, and connector difficult drop-off, therefore can be fit to continuous automatic production, yet, the geometrical clamp of this location structure is en plaque, and the location hole that inserts for geometrical clamp on the circuit substrate is quite little, the institute so that connector when plug-in unit, this geometrical clamp is difficult to aim at location hole, so it only has fixed function, and do not have positioning function, and this geometrical clamp is when inserting circuit substrate, because of being difficult to the mating holes position, the pin that makes connector is not easily because of aliging with the position, hole, fracture and be twisted, this shows, the used location structure of traditional connector can't reach the effect of location and fixed connector effectively, and the difficulty that causes it to use.

The purpose of this utility model is to provide a kind of fixed structure of connector, but its guide connector can correctly be located when inserting circuit substrate, is convenient to the plug-in unit operation, can prevent the bending of bonder terminal pin, fracture, can prevent that also connector breaks away from circuit substrate in carrying and welding process.

The utility model adopts following technical scheme:

The utility model connector fixing construction, comprise connector body, geometrical clamp, several are vertically set on the guiding cylinder of connector body below, it can insert several and be located in the jack on the circuit substrate, connector body is positioned at a ad-hoc location on the circuit substrate, guiding cylinder dual-side is arranged with a holding tank along its length direction respectively, several geometrical clamp left and right symmetricallies are arranged on the dual-side of guiding cylinder, each geometrical clamp is respectively equipped with stiff end and clip, stiff end is plugged on the position that the connector body bottom surface is positioned at guiding cylinder dual-side, clip is extended downwards by stiff end, and be fastened on the holding tank inside of guiding cylinder both sides, clip inserts in the jack of circuit substrate, its bottom outwards is convexly equipped with an arc fastening end, and the fastening end is fastened on the jack root edge of circuit substrate.

Specifically narrate embodiment below in conjunction with accompanying drawing:

Fig. 1 is a combining structure schematic perspective view of the present utility model

Fig. 2 is the utility model structural profile schematic diagram

Fig. 3 is the part plan schematic diagram of the utility model bottom

Fig. 4 is the cutaway view in the utility model guiding cylinder geometrical clamp insertion circuit substrate jack

Consult shown in Figure 1, the fixed structure of the utility model connector comprise several the guiding cylinder 20, it vertically is arranged on the bottom surface of a connector body 10, several geometrical clamps 30 are arranged on the dual-side of this cylinder 20.

Consult shown in Figure 4, guiding cylinder 20 can insert one and be located in the guide hole 41 on the circuit substrate 40, the straight warp of guiding cylinder 20 is identical with the straight plan and control of guide hole 41, and its end is provided with a tapered portion 22, make guiding cylinder 20 can successfully insert in the above-mentioned guide hole 41, and connector body 10 can be positioned at tram on the circuit substrate 40, make this connector body 10 when plug-in unit, but the terminal pin 11 of guide connector is successfully aimed at the position, hole of inserting on the circuit substrate 40, does not have that pin fractures or crooked situation takes place.

Consult Fig. 2, shown in 3, guiding cylinder 20 is one-body molded with connector body 10, the bottom of connector body 10 is positioned at the position of guiding cylinder 20 both sides, a holddown groove 21 is set respectively, with fixing geometrical clamp 30, geometrical clamp 30 comprises the stiff end 31 of a general rectangular lamellar body, the dual-side at this top, stiff end 31 top is respectively arranged with a salient point 311, it can be fastened on the madial wall of holddown groove 21, stiff end 31 is fixed in the holddown groove 21, connecting portion 32 of the inner side edge horizontal-extending of stiff end 31, and then connect a clip 33 that extends downward vertically at the end of this connecting portion 32, these geometrical clamp 30 usefulness rubber-like sheet metals are made, therefore clip 33 can flexibly be swung, the outside of clip 33 bottoms has an outwards outstanding fastening end 34, and this fastening end 34 generally is circular-arc, and the bottom tilts towards the inboard, and forms the guide end of a wedge shape.

Consult shown in Figure 4, geometrical clamp 30 is the dual-sides that are arranged on guiding cylinder 20 symmetrically, the terminal spacing of the fastening end, clip 33 below 34 of these guiding cylinder 20 both sides geometrical clamps 30 is less than the internal diameter of guide hole 41, make two clips 33 can insert in the guide hole 41 easily, after two geometrical clamps 30 insert guide hole 41, the apical margin of two fastening ends 34 just in time is fastened on the bottom surface of circuit substrate 40, the outer side edges spacing of clip 33 is greater than the internal diameter of guide hole 41, and has flexible elasticity, so after two clips 33 insert guide hole 41, can outwards open by the elastic force of itself, make the fastening end 34 of two clips, 33 bottoms be fastened on guide hole 41 root edges of circuit substrate 40, after making two clips 33 insert guide hole 41, unless firmly extract, otherwise can't break away from guide hole 41.

Consult Fig. 2, shown in 3, the clip 33 inner side edge spacings of two geometrical clamps 30 are less than the straight warp of guiding cylinder 20, when it inserts guide hole 41, two clips 33 can be extruded inward, the spacing of two clips, 33 inner side edges is further reduced, the dual-side of therefore guiding cylinder 20 is arranged with a holding tank 23 along its length direction respectively, use clip 33 to be contained in wherein for two geometrical clamps 30, clip 33 can be curved inwardly, holding tank 23 is the bottoms that always extended to guiding cylinder 20 by the medial extremity of holddown groove 21, make guiding cylinder 20 be split into two halves, and form a connecting portion 24 in central authorities.

The utility model is by guiding cylinder 20 and geometrical clamp 30, the effect of correct location in the time of can reaching guide connector body 10 plug-in units simultaneously, and can be by geometrical clamp 30 these guide holes 41 of engaging, after making connector body 10 insert circuit substrate 40, be difficult for breaking circuit substrate 40, therefore can make things convenient for circuit substrate 40 to carry weld job in process of production.

In sum, the fixed structure of the utility model connector, it is reasonable in design, practical, has improved the shortcoming of the used fixed structure of traditional connector, and the result of use ideal reaches design purpose.

Claims

1, a kind of connector fixing construction, comprise connector body, geometrical clamp, it is characterized in that, it comprises that also several are vertically set on the guiding cylinder of connector body below, it can insert several and be located in the jack on the circuit substrate, connector body is positioned at a ad-hoc location on the circuit substrate, guiding cylinder dual-side is arranged with a holding tank along its length direction respectively, several geometrical clamp left and right symmetricallies are arranged on the dual-side of guiding cylinder, each geometrical clamp is respectively equipped with stiff end and clip, stiff end is plugged on the position that the connector body bottom surface is positioned at guiding cylinder dual-side, clip is extended downwards by stiff end, and is fastened on the holding tank inside of guiding cylinder both sides, and clip inserts in the jack of circuit substrate, its bottom outwards is convexly equipped with an arc fastening end, and the fastening end is fastened on the jack root edge of circuit substrate.