CN201256230Y

CN201256230Y - Electric connector

Info

Publication number: CN201256230Y
Application number: CNU2008201311968U
Authority: CN
Inventors: 毛虎青
Original assignee: DAWEI OYAMA FINE WORKING Co Ltd
Current assignee: DAWEI OYAMA FINE WORKING Co Ltd
Priority date: 2008-09-03
Filing date: 2008-09-03
Publication date: 2009-06-10
Anticipated expiration: 2018-09-03

Abstract

The utility model discloses an electric connector, which comprises an insulating base, a plurality of terminal groups and a casing, wherein the terminal groups are held in the insulating base, and each group of terminals comprise a plurality of terminals, wherein each terminal is provided with a plate-shaped welding portion, a holding portion which extends parallel to the welding portion after folding from one edge of the welding portion, and a contact portion which extends out from the tail end of the holding portion. The welding portions of the terminals are located in one plane, and the parts of the holding portions of the terminals, which extend from one ends of the welding portions, are located in a curved surface folded by a plane, and the parts of the holding portions of the terminals, which extend parallel to the welding portions, are located in one plane. The terminals of the electric connector in the utility model can be matched to produce in groups, and can be assembled in groups, thereby simplifying the procedures and reducing cost.

Description

Electric connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of edge-on formula electric connector.

Background technology

Existing electric connector mostly is flat horizontal type structure, and the area of its above and below is bigger, thereby assembling the time need take space bigger on the circuit board, is unfavorable for the miniaturization of circuit board.Therefore edge-on formula electric connector has appearred, current, the electric connector of edge-on formula generally comprises an insulating base, is fixed in a plurality of terminals on the insulating base and is coated on the outer shell of insulating base, terminal all has weld part, weld part stretches out from the area smaller lateral of shell, occupation space in the time of can reducing thus to assemble with circuit board reaches the purpose of miniaturization.

But each terminal of the electric connector of existing edge-on formula generally needs to make separately and assemble its complex procedures cost height respectively with insulating base because shape and structure does not match.

Summary of the invention

The purpose of this utility model is that the defective that exists at above-mentioned prior art and not enough a plurality of terminals that a kind of electric connector is provided can supporting in groups making and can assemble in groups, thereby the electric connector of the edge-on formula that reduces cost of can simplifying working process.

For achieving the above object, electric connector provided by the utility model comprises that an insulating base, a plurality of terminal group and cover the shell on insulating base.Described a plurality of terminal group is retained in the insulating base, every group of terminal includes a plurality of terminals, each terminal all has a tabular weld part, and be parallel to a holding part and the terminal extended contact site from holding part that the weld part extension forms again after the bending of weld part one edge is extended, the welding position of described a plurality of terminals is in a plane, the holding part of described a plurality of terminals is positioned at a curved surface by plain bending one-tenth from the part of weld part one end bending extension in addition, and the part that is parallel to the weld part extension of the holding part of three terminals is positioned at same plane.

As mentioned above, in a plurality of terminal group of the utility model electric connector, the welding position of a plurality of terminals in each terminal group is in a plane, the part of extending from the bending of weld part one end of the holding part of a plurality of terminals is positioned at a curved surface by plain bending one-tenth, the part that is parallel to the weld part extension of the holding part of a plurality of terminals is positioned at same plane, thereby can supporting in groups making and can assemble in groups, reduce cost thereby can simplify working process.

Description of drawings

Fig. 1 is the stereogram of a kind of embodiment of the utility model electric connector;

Fig. 2 is the three-dimensional exploded view of electric connector shown in Figure 1, for showing its internal structure, insulating base has wherein been carried out biopsy cavity marker devices;

Fig. 3 is the stereogram of the insulating base of electric connector shown in Figure 1;

Fig. 4 is the plane graph of connector terminals shown in Figure 1 terminal material belt in manufacture process; And.

Fig. 5 is the stereogram of one group of terminal combination of electric connector shown in Figure 4.

Wherein, description of reference numerals is as follows:

Electric connector 1 insulating base 10

Plate body 11 jacks 111

Support slot 112 openings 113

Bayonet socket 114 Plug Divisions 12

Slot 121 director strip 13

14 times fixed parts 15 of last fixed part

Holddown groove 151 draw-in grooves 152

The first terminal 21 first welding principal parts 211

First extension, 212 first holding parts 213

First contact site, 214 second terminals 22

The second welding principal part, 221 second extensions 222

Second holding part, 223 second contact sites 224

The 3rd terminal 23 the 3rd welding principal part 231

The 3rd holding part 233 the 3rd contact site 234

Major ingredient band 24 secondary strips 25

Bridge 26 cards 27

Protuberance 28 card divisions 29

Shell 30 top boards 31

Side plate 32 flutings 321

Elastic arm 322 cover plates 33

Base plate 34 clamps 351,352

Fixing feet 36

Embodiment

By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, describe in detail below in conjunction with execution mode and conjunction with figs..

Please refer to Fig. 1, the utility model electric connector 1 is edge-on formula, comprises that an insulating base 10, two-terminal group and are coated on the shell 30 outside the insulating base 10.

Please refer to Fig. 2, insulating base 10 has a vertical plate body 11 that is longitudinal, and the center of the front surface of plate body 11 convexes with a vertical tabular Plug Division 12 forward.Offer the slot 121 that extend a plurality of front and back on the both side surface of Plug Division 12 respectively.Corresponding slot 121 offers the jack 111 that extend a plurality of front and back on the plate body 11, and each jack 111 communicates with a slot 121 respectively.Jack 111 upper/lower terminals expand to stretch in contiguous plate body 11 1 sides support slot 112.Protrude out the director strip 13 of extending up and down in the middle of plate body 11 rear surfaces backward, director strip 13 is with its both sides that are placed in, two socket holes 111.Upper/lower terminal place, plate body 11 rear surface convexes with on one fixed part 14 and fixed part 15 once backward.The holddown groove 151 that extends before and after corresponding two socket holes 111 offer two on the following fixed part 15.The draw-in groove 152 that following fixed part 15 extends before and after being positioned at and offering two respectively on the two sides of two holddown grooves, 151 mid portions.The upper surface place of plate body 11 offers an opening 113 that extends to plate body 11 front surfaces forward downwards, and the place, bottom of plate body 11 front surfaces offers a bayonet socket 114 (as shown in Figure 3).

Please refer to Fig. 2, the symmetrical configuration of two-terminal group, each terminal group have included a first terminal 21, one second terminal 22 and one the 3rd terminal 23.

The first terminal 21 has the first tabular welding principal part 211 of a vertical bar, the approximate mid-section place of first welding principal part 211 cephalolateral margins vertical bending extending card 27, the first welding principal parts 211 on the relative side surface of card 27 overbending directions in convexing with protuberance 28 near card 27 places.One lateral margin of the first welding principal part, 211 ends vertically extends tabular first extension, 212, the first welding principal parts 211 of bar and first extension 212 is formed first weld part.Be parallel to the upper and lower lateral margin upper punch that first extension 212 extends first holding part, 213, the first holding parts 213 of sheet after the terminal bending of first extension 212 is extended again and determine the card division 29 that cell wall outward extending and support slot 112 holds mutually.The end of first holding part 213 extends first contact site 214.First contact site 214 is plugged in the slot 121, and first holding part 213 passes jack 111 and is contained in the insulating base 10, and the first welding principal part 211 is stretched out by the holddown groove 151 of following fixed part 15.Card 27 holdings are replaced on the cell wall of draw-in groove 152 in draw-in groove 152 and from upper and lower, the former directions, protuberance 28 is resisted against on the side channel wall that draw-in groove 152 is not set of holddown groove 151, thereby makes firm being retained in the holddown groove 151 and can not becoming flexible of the first terminal 21.

The similar of second terminal 22 and the first terminal 21, have the second welding principal part 221, second extension 222, second holding part 223 and second contact site 224, the second welding principal part 221 is provided with card 27 and protuberance 28, the second holding parts 223 are provided with card division 29.The second welding principal part 221 and second extension 222 are formed second weld part.

The similar of the 3rd terminal 23 and second terminal 22 has the 3rd weld part, the 3rd holding part 233 and the 3rd contact site 234, the three holding parts 233 and is provided with card division 29; In this example, the main difference part of the 3rd terminal 23 and second terminal 22 is: the 3rd weld part only comprises one the 3rd welding principal part 231, and the 3rd welding principal part 231 is provided with protuberance 28, the 3rd holding part 233 is directly formed by the 3rd cephalolateral margin bending extension of welding the end of principal part 231, is not provided with card 27 on the 3rd terminal 23; The 3rd welding principal part 231 is replaced on the cell wall of the front end of holddown groove 151.In fact, the 3rd weld part also can add the form of second extension 222 for the second welding principal part 221 of second weld part of second terminal 22.

Wherein, the weld part of three terminals of each terminal group (comprising first weld part, second weld part and the 3rd weld part) is positioned at same plane, and the length of corresponding the 3rd welding principal part 231 is less than the length of the second welding principal part 221, and the length of the second welding principal part 221 is less than the length of the first welding principal part 211.The holding part of three terminals of each terminal group (comprising first holding part 213, second holding part 223 and the 3rd holding part 233) is identical with development length from the bending angle of the part that the bending of weld part (comprising first weld part, second weld part and the 3rd a weld part) end is extended, and the length of second extension 222 is less than the length of first extension 212.

Please continue with reference to Fig. 2, shell 30 is cut by metallic plate and the punching press bending forms, and it comprises that a top board 31, two bends extended side plate 32 and vertically downward by top board 31 1 lateral margins respectively and bends extended cover plate 33 vertically downward by top board 31 posterior lateral margins.Be connected with a base plate 34 that is placed in the bayonet socket 114 between the lower lip of biside plate 32 front portions.Stamping-out went out a free end and stretches out backward and fasten clamp 351 in opening 113 in top board 31 approximate mid-section were oblique.The inside stamping-out in biside plate 32 approximate mid-section places goes out to have two free ends to stretch out forward and fastens clamp 352 on plate body 11.Side plate 32 front portions cut and punch forming has a cross-notching 321 and from slotting 321 front ends backward and the elastic arm 322 that extends internally, elastic arm 322 is used to hold butt connector.The lower end of biside plate 32 and cover plate 33 has protruded out a fixing feet 36 respectively.During assembling, fixing feet 36 is used for fixing on circuit board.

During manufacturing, wherein terminal at first can carry out discharge and stamping-out processing according to the mode of Fig. 4, and wherein, every two-terminal group is connected between the two parallel major ingredient bands 24 and by the two-terminal group of secondary strip 25 with the back and separates.Secondary strip 25 vertical being connected between the two major ingredient bands 24 that extend in parallel.The first terminal 21, second terminal 22 and the 3rd terminal 23 that one side of secondary strip 25 goes out to be parallel to each other along equally spaced stamping-out; And then cut the terminal combination state that becomes as Fig. 5, in this terminal combination, three terminals because with strip (major ingredient band 24 and secondary strip 25) thus be connected to become as a whole with bridge 26; Like this, when on insulating base 10, assembling, in the vertical jack of in a row offering 111 of the insulating base 10 of the two symmetrical groups terminal combination can being planted, and then remove strip (major ingredient band 24 and secondary strip 25) and bridge 26 under the guiding of director strip 13 two sides.Because the guiding of director strip 13 and the part of slot 121 rear ends between last fixed part 14 and following fixed part 15 of insulating base 10 are the opening shape, make the assembling of terminal more simple and easy.

In sum, in many groups terminal of the utility model electric connector 1, the welding position of a plurality of terminals in each group terminal is in a plane, the part that the holding part of a plurality of terminals extends from the bending of weld part one end is positioned at a curved surface by plain bending one-tenth, and the part that is parallel to the weld part extension of the holding part of a plurality of terminals is positioned at same plane, thereby can supporting in groups making and can assemble in groups, reduce cost thereby can simplify working process.

Claims

1. electric connector, comprise an insulating base, one covers shell and a plurality of terminal group that is retained in the insulating base on insulating base, it is characterized in that: each terminal group includes a plurality of terminals, each terminal all has a tabular weld part, one is parallel to an extended holding part of weld part and a terminal extended contact site from holding part again after the edge bending of weld part is extended, the welding position of described a plurality of terminals is in a plane, the part that the holding part of described a plurality of terminals extends from the bending of weld part one end is positioned at a curved surface by plain bending one-tenth, and the part that is parallel to the weld part extension of the holding part of described a plurality of terminals is positioned at same plane.

2. electric connector as claimed in claim 1 is characterized in that: described terminal group has two groups, and each terminal group is made of a first terminal, one second terminal and one the 3rd terminal.

3. electric connector as claimed in claim 2, it is characterized in that: the weld part of the weld part of described the first terminal and second terminal includes a tabular welding principal part of a vertical bar and an extended extension of lateral margin from welding principal part one end, the holding part of described the first terminal is to extend from the end of the extension of the first terminal to form, and the holding part of described second terminal is that the end from the extension of second terminal extends and forms; Described the 3rd weld part only comprises a welding principal part, and the holding part of described the 3rd terminal is directly formed by the lateral margin extension of the end that welds principal part.

4. electric connector as claimed in claim 3, it is characterized in that: described insulating base has a plate body, the front surface place of described plate body convexes with a vertical tabular Plug Division forward, offer the slot that extend a plurality of front and back on the both side surface of described Plug Division respectively, offer the jack that extend a plurality of front and back on the described plate body, each jack and a corresponding slot communicate, the place, rear surface of described plate body convexes with down fixed part backward, and corresponding two socket holes offer two holddown grooves on the described fixed part down; Described contact site is plugged in the slot, and described holding part passes jack and is contained in the insulating base, and described welding principal part is stretched out by the holddown groove of following fixed part.

5. electric connector as claimed in claim 4, it is characterized in that: the upper/lower terminal of described jack is stretched in the side expansion of contiguous plate body support slot, and described fixed position down offers the draw-in groove that extend two front and back respectively on the two sides of two holddown groove mid portions; A card is extended in all vertical bending in the approximate mid-section place of one lateral margin of the welding principal part of the described the first terminal and second terminal, the welding principal part of the described the first terminal and second terminal is in convexing with a protuberance near the card place, and the same area place of described the 3rd terminal also convexes with a protuberance; The card of the described the first terminal and second terminal all is placed in the draw-in groove, and the protuberance of described the first terminal, second terminal and the 3rd terminal is all replaced on a side channel wall of holddown groove; The upper and lower lateral margin upper punch of the holding part of described the first terminal, second terminal and the 3rd terminal is determined the outward extending card division that holds mutually with the cell wall of support slot.

6. electric connector as claimed in claim 4 is characterized in that: protrude out the director strip of extending up and down in the middle of the rear surface of described plate body backward, described director strip is with its both sides that are placed in, two socket holes.

7. electric connector as claimed in claim 4 is characterized in that: the upper surface place of described plate body offers an opening, and the place, bottom of described plate body front surface offers a bayonet socket; Described shell has two side plates and the cover plate that a top board, top board both side edges and posterior lateral margin bend extension vertically downward, stamping-out went out a free end and stretches backward and fasten clamp in opening in the approximate mid-section of described top board was oblique, and the inside stamping-out in approximate mid-section place of described two side plates goes out two free ends to protracting and fastening clamp on plate body; Be connected with the base plate of a holding in bayonet socket between the lower lip of the front portion of described two side plates.

8. electric connector as claimed in claim 7 is characterized in that: the lower end of described two side plates and cover plate has protruded out a fixing feet respectively.

9. electric connector as claimed in claim 2 is characterized in that: the structure of the first terminal of two groups of terminal group, second terminal and the 3rd terminal is symmetric relation respectively.