CN201219140Y

CN201219140Y - Suction cover and electric connector

Info

Publication number: CN201219140Y
Application number: CNU2008201049759U
Authority: CN
Inventors: 何宜泽
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2008-05-06
Filing date: 2008-05-06
Publication date: 2009-04-08
Anticipated expiration: 2018-05-06

Abstract

The utility relates to a suction cover and an electric connector. The electric connector comprises a suction cover and an insulated base; the suction cover comprises a cover board, at least a hook sheet and at least two fasteners. The cover board possess a first side edge and a second side edge positioned at two opposite sides; at least a hook sheet is formed by one of the first side edge and the second side edge extending downward. The suction cover is mounted on the insulated base; the insulated base comprises a first side frame and a second side frame positioned at two opposite sides, a third side frame and a fourth side frame whose two ends are separately connected with the first side frame and the second side frame. One of the first side frame and the second side frame forms at least one open end facing outward and hook groove for hooking the hook sheet. The third side frame and the fourth side frame separately forms an open end facing outward and fastening groove for fastening the fastening hook. The suction cover is subject to mount on the insulated base and terminal is not subject to damage during mounting course.

Description

Draw lid and electric connector

Technical field

The utility model relates to a kind of absorption lid and electric connector, is meant a kind of absorption lid and electric connector that supplies the suction operation of vacsorb device especially.

Background technology

Electric connector installed and when being welded on the circuit board, generally in processing procedure, using a vacsorb device that electric connector is drawn all earlier and move, then again with the electric connector location and installation and be welded on the circuit board.

But, when desiring to finish aforesaid suction operation, need a smooth flat of drawing for the vacsorb device.Because so the plane can be for not drawing for the insulating body of general electric connector, so be connected with the insulating body of electric connector by one usually and absorption with required smooth flat is covered and finished.

Consult Fig. 1 and Fig. 2, the TaiWan, China patent announcement is numbered the (U.S. corresponding patent case US6875022 No. 579090; China's Mainland corresponding patent case CN03238786.5) disclosed a kind of have to draw cover 1 electric connector 2, draw and cover 1 and rotate and be installed on the insulating body 21 of electric connector 2.Draw cover 1 comprise one be tabular matrix 11, two be arranged at matrix 11 a side and can with the buckle 12 of sidewall 211 interference engagement of insulating body 21, reach two insertions that are arranged at another opposition side of matrix 11 and collude 13.Thereby described insertion is colluded 13 and can be matched with the insertion groove 212 of insulating body 21 to draw and cover 1 rotation and be installed on insulating body 21.

Insertion groove 212 is located at the inboard of a side of insulating body 21, and the contiguous conductive region that is provided with terminal 22, so cover 1 when being installed on insulating body 21 drawing, insertion is colluded 13 and is aimed at insertion groove 212 with being careful and then insert, then be rotated down again to draw and cover 1 and be covered on insulating body 21, so that buckle 12 is sticked in sidewall 211.

Owing to insert and to collude 13 and could insert after will accurately aiming at insertion groove 212, cover 1 comparatively inconveniently when being installed on insulating body 21 so will draw, influence production efficiency.In addition, because insertion groove 212 is located at the inboard and contiguous conductive region that is provided with terminal 22 of a side of insulating body 21, thus easily touch when inserting and damage terminal 22, thereby electric connector 2 is scrapped, reduce the qualification rate of producing.

Summary of the invention

Therefore, the purpose of this utility model promptly is to provide a kind of easy installation and the absorption lid of fragile terminal not.

Another purpose of the present utility model promptly is to provide a kind of the absorption to cover installation and the not electric connector of fragile terminal easily.

So electric connector of the present utility model comprises one and draws a lid and an insulating base.This absorption lid comprises a cover plate, at least one colludes sheet and at least two grabs.This cover plate has a first side and a second side that is positioned at two opposition sides, and two ends connect one the 3rd side and a four side of this first side and this second side respectively.Described at least one collude sheet by one of them the downward extension in this first side and this second side.Described at least two grabs are extended downwards by the 3rd side and this four side respectively.This insulating base is used for this absorption lid and is installed, and this insulating base comprises one first side frame and one second side frame that is positioned at two opposition sides, and two ends connect one the 3rd side frame and one the 4th side frame of this first side frame and this second side frame respectively.In this first side frame and this second side frame one of them is formed with at least one to be had open end outwardly and colludes sheet and collude the slot part that colludes that closes for this.The 3rd side frame and the 4th side frame are formed with at least one draw-in groove portion that has open end outwardly and supply each grab buckle respectively.

Preferably, this first side and this second side are extended with at least one sheet that colludes respectively downwards, and this first side frame and this second side frame are formed with at least one respectively and collude slot part.

Preferably, at least one also forms at least one location notch in the first side of this absorption lid and the second side, in this first side frame and this second side frame and be provided with the relative side frame of at least one location notch and also be formed with the reference column that at least one is sticked in this location notch.

Preferably, this absorption lid also comprises at least two bluff pieces, each bluff piece is extended downwards by contiguous corresponding grab one side place in the 3rd side and this four side, the 3rd side frame and the 4th side frame also are formed with at least one socket that has open end outwardly and plant for each bluff piece respectively, respectively contiguous each the draw-in groove portion one side place of this socket.

Preferably, first side and the place, second side near this absorption lid is provided with a projection at least.

And absorption lid of the present utility model is the absorption lid in the above-mentioned electric connector, it comprises: a cover plate, have the first side and the second side that are positioned at two opposition sides, and two ends connect one the 3rd side and a four side of this first side and this second side respectively; At least one colludes sheet, by one of them downward extension of this first side and this second side; And at least two grabs, extend downwards by the 3rd side and this four side respectively.

Useful technique effect of the present utility model is: by the design that slot part has open end outwardly of colluding of this insulating base, when making this absorption of installation be placed on this insulating base, the sheet that colludes of this absorption lid colludes slot part open end outwardly by this and colludes to close in this and collude slot part to produce the effect of block, and then cover downwards, make each grab be snapped in this draw-in groove portion.So can make this absorption lid be installed on this insulating base easily, enhance productivity, and in installation process not fragile terminal, can improve the qualification rate of production, so can realize the purpose of this utility model really.

Description of drawings

Fig. 1 is a stereogram, and an existing electric connector is described;

Fig. 2 is a stereogram, illustrates that this existing absorption is covered on an insulating base;

Fig. 3 is a three-dimensional exploded view, and a preferred embodiment of the utility model electric connector is described;

Fig. 4 is a stereogram, illustrates that one draws lid and colludes and close in an insulating base;

Fig. 5 is a stereogram, illustrates that this absorption lid is covered on this insulating base fully;

Fig. 6 is a stereogram, and this absorption lid is described;

Fig. 7 is a cutaway view of being got along the straight line VII-VII among Fig. 5, illustrates that the sheet that colludes of this absorption lid colludes the slot part that colludes that closes in this insulating base;

Fig. 8 is a cutaway view of being got along the straight line VIII-VIII among Fig. 5, illustrates that the grab of this absorption lid is snapped in the draw-in groove portion of this insulating base; And

Fig. 9 is a cutaway view of being got along the straight line IX-IX among Fig. 5, illustrates that the bluff piece of this absorption lid is inserted in the socket of this insulating base.

Wherein, description of reference numerals is as follows:

11 matrixes, 12 buckles

21 insulating bodies are colluded in 13 insertions

211 sidewalls, 212 insertion grooves

2,3 electric connectors, 4 insulating bases

41 first side frames, 41 ' second side frame

411 collude slot part 412 open ends

413 reference columns 42 the 3rd side frame

42 ' the 4th side frame, 421 draw-in groove portions

422 open ends, 423 fixture blocks

424 sockets, 425 open ends

43

conductive regions

1,5 are drawn lid

51 cover plates, 511 first sides

511 ' second side 512 the 3rd side

512 ' the four side, 513 surfaces

52 collude sheet 53 grabs

531 support arms, 532 hook portions

54 bluff pieces, 55 location notchs

56 projections

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.

Consult Fig. 3 and Fig. 5, it is depicted as the preferred embodiment of the utility model electric connector 3, and electric connector 3 comprises an insulating base 4 and an absorption lid 5 that is mounted thereon.

Insulating base 4 is rectangular and comprise that first side frame 41 that is positioned at the front side, one are positioned at second side frame 41 ' of rear side, the 3rd side frame 42 that is positioned at the right side and the 4th side frame 42 ' (direction of front, rear, left and right sees also Fig. 3) that is positioned at the left side.Aforementioned four

side frames

41,41 ', 42,42 ' match and define one and be positioned at its inboard conductive region 43, and conductive region 43 is provided with a plurality of terminals (figure does not show).

The outside wall surface of first side frame 41 is formed with three spaced reciprocally and colludes slot part 411, and inner wall surface thereof is formed with five reference columns 413 spaced reciprocally, staggers and collude the position that is provided with of slot part 411 in the position that is provided with of these reference columns 413.The outside wall surface of second side frame 41 ' also is formed with three spaced reciprocally and colludes slot part 411, and inner wall surface thereof also is formed with five reference columns 413 spaced reciprocally.In addition, each colludes slot part 411 and has outwardly an open end 412.In present embodiment, respectively collude the rectangle draw-in groove that slot part 411 is arranged with for the apical margin from first side frame 41 (or second side frame 41 ') outside wall surface downwards.And each root reference column 413 generally is cylindric.It is corresponding relative that on the position that each of second side frame 41 ' is colluded slot part 411 and first side frame 41 each is colluded the position of slot part 411, and the position of each root reference column 413 of second side frame 41 ' also with first side frame 41 on the position of each root reference column 413 corresponding relative.

The outside wall surface of the 3rd side frame 42 is formed with two draw-in groove portions 421 and two sockets 424.The outside wall surface of the 4th side frame 42 ' also is formed with two draw-in groove portions 421 and two sockets 424.In addition, each draw-in groove portion 421 be formed with one outwardly open end 422 and be provided with a fixture block 423, and each socket 424 is formed with outwardly an open end 425.Each socket 424 is separately positioned on a side place of contiguous each draw-in groove portion 421, and in present embodiment, and each socket 424 is connected with adjacent draw-in groove portion 421.

Consult Fig. 3 and Fig. 6, absorption is covered 5 and is comprised one in order to cover on the cover plate 51 on the insulating base 4.Cover plate 51 has second side 511 ', one that a first side that is positioned at the front side 511, one be positioned at rear side and is positioned at the 3rd side 512 on right side, a four side 512 ' that is positioned at the left side, and one is used the smooth surface of drawing for the vacsorb device 513 (direction of front, rear, left and right sees also Fig. 3).

First side 511 is extended with three spaced reciprocally downwards and colludes sheet 52, and is formed with five location notchs 55 with open end outwardly.Second side 511 ' is extended with three spaced reciprocally downwards and colludes sheet 52, and is formed with five location notchs 55 with open end outwardly.These positions of colluding sheet 52 are corresponding with the position of respectively colluding slot part 411 of insulating base 4 respectively, and the position of these location notchs 55 is also corresponding with the position of each reference column 413 of insulating base 4 respectively, and each to collude sheet 52 be a rectangle lamellar body.Each location notch 55 is the groove of a semicircle.

The 3rd side 512 is extended with two grabs 53 and two bluff pieces 54 spaced reciprocally downwards.Four side 512 ' is extended with two grabs 53 and two bluff pieces 54 spaced reciprocally downwards.In addition, each grab 53 has the support arm 531 that extends under the side direction by cover plate 51, and a hook portion 532 that is convexly set in support arm 531 inboard free ends.Each bluff piece 54 is a rectangle lamellar body.The position of each grab 53 is corresponding with the position of each draw-in groove portion 421 of insulating base 4, and the position of each bluff piece 54 is also corresponding with the position of each socket 424 of insulating base 4.Each bluff piece 54 is separately positioned on a side place of contiguous each grab 53, so can protect grab 53 to avoid being subjected to external force collision improperly and cause damaging or fracture.

Consult Fig. 3, Fig. 4 and Fig. 5, cover 5 during install drawing in insulating base 4, to draw earlier and cover 5 outer side edges and be inclination with respect to insulating base 4, make again to draw and cover 5 directions (direction of arrow A as shown), make and draw the sheet 52 that respectively colludes that covers 5 first side 511 and collude by the open end outwardly 412 of colluding slot part 411 of first side frame 41 of insulating base 4 and close in colluding the effect of slot part 411 with the generation block with respect to insulating base 4 slippages towards insulating base 4.

Then, draw and cover 5 and continue in rotary manner to cover downwards, and by the cooperatively interact guiding of reference column 413 with location notch 55, make absorption cover 5 and insulating base 4 cover fully exactly.

When draw cover 5 cover fully with insulating base 4 after, each collude sheet 52 collude close in correspondence collude slot part 411 (Fig. 7 is consulted in cooperation), and each location notch 55 is sticked in the reference column 413 of correspondence.Each grab 53 is snapped in corresponding draw-in groove portion 421, and its hook portion 532 is snapped in corresponding fixture block 423 (Fig. 8 is consulted in cooperation).Each bluff piece 54 is inserted in corresponding socket 424 (Fig. 9 is consulted in cooperation).

In the above-mentioned process that covers, when the hook portion 532 of each grab 53 touches the fixture block 423 of corresponding draw-in groove portion 421, the support arm 531 of grab 53 is stressed and outwards strut, when treating that hook portion 532 moves to fixture block 423 bottoms, the elastic-restoring force of support arm 531 makes hook portion 532 be snapped in fixture block 423 bottoms.

In installation process, because of draw cover 5 and insulating base 4 in, collude sheet 52 and collude slot part 411, grab 53 and draw-in groove portion 421, and bluff piece 54 and the integrated structure of 424 of sockets betide the outer circumferential side of insulating base 4, therefore 5 terminals that are difficult for touching in the conductive region 43 are covered in absorption.

In addition, cover 5 first side 511 and second side 511 ' and locate to be provided with respectively a projection 56 near drawing, in the present embodiment, two projections 56 cover 5 smooth surface 513 towards the first side 511 and the direction extension of second side 511 ' from drawing respectively; Desire will be drawn and cover 5 when separating with insulating base 4, can push down near 511 places, first side (indicating the position of " PUSH DOWN ") with finger, and cover 5 and locate (indicating the position of " LIFT ") set projection 56 usefulness near second sides 511 ' and point and be pulled upwardly by drawing, can make each hook portion 532 break away from corresponding fixture block 423, and will draw and cover 5 and separate with insulating base 4, that is to say, for example can right-handed thumb push down the position of sign " PUSHDOWN " and be pulled upwardly the set projection 56 in position of sign " LIFT ", promptly can separate to draw and cover 5 with one-handed performance with forefinger; Otherwise analogize, cover 5 projections of establishing near 511 places, first side 56 by absorption and be pulled upwardly, also separable absorption lid 5.

Be noted that especially, though collude slot part 411, reference column 413, draw-in groove portion 421 and the socket 424 of insulating base 4 have specific number in present embodiment, and draw and to cover 5 collude sheet 52, location notch 55, grab 53 and bluff piece 54 specific number is also arranged in present embodiment, but the number of each element also can change, and does not exceed with present embodiment.

And in the present embodiment, it is logical that each draw-in groove portion 421 and adjacent each socket 424 are connected with each other, but but each draw-in groove portion 421 and adjacent each socket 424 also each interval be not connected.

In addition, in other design, insulating base 4 also can be only be provided with in one of them of first side frame 41 and second side frame 41 ' and colludes slot part 411, and draw cover 5 also can be only in the first side 511 of correspondence or second side 511 ' be formed with and collude sheet 52.

In sum, the utility model electric connector 3 is by the design that slot part 411 has open end 412 outwardly of colluding of insulating base 4, make to install to draw and cover 5 when insulating base 4, draw and cover 5 the sheet 52 that colludes and collude and close in colluding the effect of slot part 411 with the generation block by colluding slot part 411 open end 412 outwardly, and then cover downwards, make each grab 53 be snapped in each draw-in groove portion 421.So can make absorption cover 5 and be installed on insulating base 4 easily, enhance productivity, and in installation process not fragile terminal, can improve the qualification rate of production, can solve the existing shortcoming that is difficult for installation and fragile terminal, so can reach effect of the present utility model really.

Yet the above, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, promptly all simple equivalent of being done according to scope of the present utility model and utility model description change and modify, and all still belong in the scope of the present utility model.

Claims

1. draw lid for one kind, it is characterized in that, comprising:

One cover plate has the first side and the second side that are positioned at two opposition sides, and two ends connect one the 3rd side and a four side of this first side and this second side respectively;

At least one colludes sheet, by one of them downward extension of this first side and this second side; And

At least two grabs are extended downwards by the 3rd side and this four side respectively.

2. according to the described absorption lid of claim 1, it is characterized in that this first side and this second side extend downward few one respectively and collude sheet.

3. according to claim 1 or 2 described absorptions lid, it is characterized in that at least one in this first side and this second side also forms at least one and have outwardly the location notch of open end.

4. according to claim 1 or 2 described absorption lids, it is characterized in that this absorption lid also comprises at least two bluff pieces, each bluff piece is extended downwards with a side place of the contiguous corresponding grab of this four side by the 3rd side.

5. according to claim 1 or 2 described absorption lids, it is characterized in that this absorption is covered at first side and place, second side near this cover plate and is provided with a projection at least.

6. an electric connector is characterized in that, comprises:

One draws lid, comprising:

One cover plate has the first side and the second side that are positioned at two opposition sides, and the two ends branch

One the 3rd side and the four side that do not connect this first side and this second side,

At least one colludes sheet, by one of them downward extension of this first side and this second side, and

At least two grabs are extended downwards by the 3rd side and this four side respectively; And

One insulating base, in order to this absorption lid to be installed, this insulating base comprises one first side frame and one second side frame that is positioned at two opposition sides, and two ends connect one the 3rd side frame and one the 4th side frame of this first side frame and this second side frame respectively, one of them of this first side frame and this second side frame is formed with at least one to be had open end outwardly and colludes sheet and collude the slot part that colludes that closes for this, the 3rd side frame and the 4th side frame be formed with respectively at least one have outwardly the open end and draw-in groove portion of each grab buckle of confession.

7. according to the described electric connector of claim 6, it is characterized in that this first side and this second side are extended with at least one respectively downwards and collude sheet, this first side frame and this second side frame are formed with at least one respectively and collude slot part.

8. according to claim 6 or 7 described electric connectors, it is characterized in that, the first side of this absorption lid and at least one in the second side also form at least one location notch, and the relative side frame with being provided with at least one location notch in this first side frame and this second side frame also is formed with the reference column that at least one is sticked in this location notch.

9. according to claim 6 or 7 described electric connectors, it is characterized in that, this absorption lid also comprises at least two bluff pieces, each bluff piece is extended downwards with a side place of the contiguous corresponding grab of this four side by the 3rd side, the 3rd side frame and the 4th side frame also are formed with at least one socket that has open end outwardly and plant for each bluff piece, a side of contiguous each the draw-in groove portion of each socket respectively.

10. according to claim 6 or 7 described electric connectors, it is characterized in that this absorption is covered at first side and place, second side near this cover plate and is provided with a projection at least.