CN201812990U

CN201812990U - Electrical connector

Info

Publication number: CN201812990U
Application number: CN2010205072342U
Authority: CN
Inventors: 章晓暖
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-04-27
Anticipated expiration: 2020-08-26

Abstract

An electrical connector includes an insulative housing having a plurality of terminals disposed therein and a housing. The insulating body comprises two sides, wherein each side comprises a concave part. The shell comprises a top plate, two side plates, two lug parts, two frame openings and two buckle elastic arms, wherein the top plate is arranged above the insulating body, and the two side plates are respectively adjacent to two side edges of the insulating body. Each tab portion is disposed on the corresponding side plate and is bent inward so that a distal end section of the tab portion can be located below the insulating body. The frame openings are formed on the corresponding convex plate parts and extend across the bent parts of the convex plate parts. The buckle elastic arm is connected with one edge of the corresponding frame opening and extends towards the inside of the concave part. Each terminal has an electrical contact portion, wherein the electrical contact portion is located between the insulative body and the top plate of the housing.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector.

Background technology

Electric connector often is provided in the electronic installation, with the connector of external another coupling of connection, perhaps allows another electronic component or device be inserted in wherein, so that this electronic installation has additional functionality or expands its original function.For satisfying different demands, developed the electric connector of numerous species.Fig. 1 has disclosed electric connector 1 a kind of commonly used wherein, and this electric connector 1 comprises a metal shell 11, a plastic body 12 and a plurality of terminal 13.Metal shell 11 both sides are bent, to form an accommodation space.A plurality of terminals 13 correspondingly are inserted on the plastic body 12, and body 12 is contained in the accommodation space of metal shell 11.Metal shell 11 comprises a plurality of bonding pads 111, and bonding pad 111 forms in the mode of bending, utilizes those bonding pads 111 can make metal shell 11 be soldered to circuit board in the mode of surface soldered.

Usually, metal shell 11 is that the hard metallic materials of quality such as stainless steel is made.This type of material is difficult for by bending this solid bonding pad 111, and after the bonding pad 111 of being everlasting is bent to reservation shape, meeting slightly resilience because of its stiff materials, thus can't be bent to required form really.The required shape that can't be bent to bonding pad 111 can cause the welding position and the not coplanar situation of terminal welding foot of bonding pad 111, thereby phenomenons such as empty weldering or failure welding take place.

In addition, the buckling deformation that error that the housing 11 of existing electric connector 1 and plastic body 12 are produced when making and plastic body 12 are produced, after housing 11 and plastic body 12 are installed, also can make the welding position and the terminal welding foot of bonding pad 111 produce not coplanar situation, thereby cause empty weldering of part terminal welding foot or failure welding.

Because the defective of aforementioned existing electric connector is necessary to propose a kind of new electric connector.

The utility model content

The utility model provides an electric connector, and it can avoid not coplanar situation takes place between the bearing of electric connector and terminal weld part, thereby causes empty weldering of part terminal welding foot or failure welding.

The utility model discloses a kind of electric connector, and it comprises an insulating body, a housing and a plurality of terminal.Insulating body comprises dual-side, and wherein each side comprises a depressed part.Housing comprises a top board, biside plate, two tab portion, two frame mouths and two buckle elastic arms, and wherein top board is arranged at insulating body top, and biside plate is respectively adjacent to the dual-side of insulating body.Each tab portion is arranged on the corresponding side plate, and bends inwards, and makes the end segment of tab portion can be positioned at the insulating body below.Each frame degree of lip-rounding is formed in corresponding this tab portion and crosses over the bending place extension of tab portion.Each buckle elastic arm connects an edge of corresponding frame mouth and extends in depressed part.A plurality of terminals are placed in insulating body.Each terminal has an electrical contacts, and wherein this electrical contacts is between the top board of insulating body and housing.

In other words, the utility model provides a kind of electric connector, comprises:

One insulating body comprises dual-side, and wherein respectively this side comprises a depressed part;

One housing, comprise a top board, biside plate, two tab portion, two frame mouths and two buckle elastic arms, wherein this top board is arranged at this insulating body top, this biside plate is respectively adjacent to this dual-side of this insulating body, respectively this tab portion is arranged on corresponding this side plate, and bend inwards, make the end segment of this tab portion be positioned at this insulating body below, respectively extend this frame degree of lip-rounding bending place of being formed in corresponding this tab portion and crossing over this tab portion, and respectively this buckle elastic arm connects an edge of corresponding this frame mouth and extends in this depressed part; And

A plurality of terminals are placed in this insulating body, and each described terminal has an electrical contacts, and wherein this electrical contacts is between the top board of this insulating body and this housing.

Pass through said structure; the utility model has been realized following beneficial technical effects: avoid using place in addition, electric connector position to fix electric connector; and the bending of the having avoided tab portion weld part situation of coplane not that causes its end segment and terminal; also can avoid housing that the back is installed deviates from from the body that insulate; also can protect terminal to avoid forcing in the edge of terminal electrical contacts, cause terminal to damage because of insertion.

Description of drawings

Fig. 1 illustration one existing electric connector;

Fig. 2 is the schematic perspective view of the electric connector of an embodiment of the present utility model;

Fig. 3 is the schematic perspective view of another angle of Fig. 2 electric connector;

Fig. 4 is the rearview of Fig. 2 electric connector;

Fig. 5 is the vertical view of Fig. 2 electric connector;

Fig. 6 is the front view of Fig. 2 electric connector;

The bottom of Fig. 7 illustration Fig. 2 electric connector;

Fig. 8 is the right side view of Fig. 2 electric connector;

Fig. 9 illustration housing that separates and the schematic perspective view of burying the insulating body of terminal underground;

Figure 10 is the buckle elastic arm of the utility model one embodiment and the schematic diagram of depressed part;

The schematic perspective view of the electric connector of Figure 11 illustration another embodiment of the present utility model; And

Figure 12 is the vertical view of Figure 11 electric connector.

[main element symbol description]

1 electric connector

2 electric connectors

3 electric connectors

11 metal shells

12 bodies

13 terminals

21 insulating bodies

22 housings

23 terminals

24 grafting spaces

25 interfaces

31 insulating bodies

33 terminals

111 bonding pads

211 sides

212 depressed parts

213 projections

214 guide vane end stops

215 terminal containing slots

216 protuberances

217 surfaces

221 top boards

222 side plates

223 tab portion

224 frame mouths

225 buckle elastic arms

226 breach

227 spacing holes

228 side band parts

231 weld parts

232 electrical contacts

233 elastic arms

311 terminal containing slots

332 electrical contacts

333 elastic arms

334 introduction parts

2161 end faces

2211 inner surfaces

2221 first ends

2222 the second ends

2223 root edges

2231 end segment

2232 bending places

22311 upper surfaces

Embodiment

To shown in Figure 9, the electric connector 2 of an embodiment of the present utility model comprises an insulating body 21, a housing 22 and a plurality of terminal 23 with reference to Fig. 2, and wherein a plurality of terminals 23 are placed in insulating body 21.

As shown in Figure 9, insulating body 21 comprises dual-side 211, and wherein respectively this side 211 comprises a depressed part 212.Shown in Fig. 6 and 9, housing 22 comprises a top board 221 and biside plate 222, and wherein top board 221 connects biside plate 222.Shown in Fig. 4 and 6, after housing 22 was assembled with insulating body 21, biside plate 222 was respectively adjacent to the side 211 that has depressed part 212 on the insulating body 21.221 on top board is arranged at insulating body 21 tops, and a grafting space 24 of the electronic component that is formed for pegging graft between top board 221 and insulating body 21.In one embodiment, the electronic component that is plugged in the electric connector 2 can be SIM card.

In the present embodiment, biside plate 222 forms from relative two lateral bucklings of top board 221 respectively, and after the assembling, insulating body 21 can be between biside plate 222.

Shown in Fig. 4 and 7, housing 22 can comprise two tab portion 223, and wherein each tab portion 223 connects the lower limb of corresponding side plate 222 and down extends.The end segment 2231 of tab portion 223 can be formed to have and be useful on the function that housing 22 is fixed in circuit board.The tab portion 223 of near small part bends inwards, and the tab portion 223 that makes part can be extended in insulating body 21 belows after housing 22 and insulating body 21 assemblings, thereby allows 2231 of the end segment of tab portion 223 below insulating body 21.So, the bearing of electric connector 2 can be positioned at electric connector 2 belows, and need not occupy the place outside electric connector 2 positions, thereby can save electric connector 2 required area is installed.In the present embodiment, the end segment 2231 of tab portion 223 can be soldered, so that electric connector 2 is fixed.

Shown in Fig. 3,7 and 9, housing 22 can comprise two frame mouths 224 in addition.Each frame mouth 224 is formed on the corresponding tab portion 223, and extend across the bending place 2232 of tab portion 223, when even scleroid metal materials such as housing 22 use stainless steels like this are made, the setting of frame mouth 224 allows tab portion 223 easy (as design) positively be bent into required shape, thereby makes the end segment 2231 of

tab portion

223 and 231 of the weld parts of terminal 23 that preferable coplanarity can be arranged.In one embodiment, frame mouth 224 can extend to from the end segment 2231 of tab portion 223 in the corresponding side plate 222.

In one embodiment, frame mouth 224 can expose corresponding depressed part 212 on the insulating body 21.

Shown in Fig. 2 and 7, housing 22 can comprise a buckle elastic arm 225 in addition.Buckle elastic arm 225 connects the edge of corresponding frame mouth 224.In the present embodiment, buckle elastic arm 225 extends in the depressed part 212 of lateral edges on the side 211 of insulating body 21 of frame mouth 224, but and make a side of its end contact depressed part 212, to allow after housing 22 and insulating body 21 assemblings, housing 22 can be held stays insulating body 21.

Buckle elastic arm 225 has elasticity, and its bearing of trend is opposite with the mounting direction (shown in Fig. 2 arrow B) of housing 22.During housing 22 assemblings, buckle elastic arm 225 is insulated the side 211 of body 21 earlier and passes outward.And when buckle elastic arm 225 moves to depressed part 212 on the side 211,225 resiliences of buckle elastic arm, its end then enters in the depressed part 212.

Shown in Fig. 2 to 7 and 9, a plurality of terminals 23 are buried (insert molded) underground in insulating body 21.Each terminal 23 comprises an electrical contacts 232, and electrical contacts 232 protrudes in the grafting space 24 of 221 on top board of insulating body 21 and housing 22, is plugged in electronic component in the grafting space 24 with electric connection.

Shown in Fig. 2,3 and 9, each side plate 222 comprises a first end 2221 and the second end 2222, and wherein tab portion 223 is arranged on the first end 2221.The second end 2222 comprises a breach 226; And correspondingly, be equipped with a projection 213 on the side 211 of insulating body 21.After housing 22 and insulating body 21 were assembled, projection 213 was inserted in the corresponding breach 226.

In particular, the opening direction of breach 226 is identical with the mounting direction (shown in Fig. 2 arrow B) of housing 22, or opposite with the bearing of trend of buckle elastic arm 225.So, the cooperating of 212 of the depressed parts of

breach

226 and 213 of projections and buckle elastic arm 225 and insulating body 21 etc., after housing 22 and insulating body 21 assemblings, housing 22 can be held and stay on the insulating body 21.

With reference to shown in Figure 8, the end segment 2231 of tab portion 223 can be configured to be fixed on outside the circuit board, and the second end 2222 of side plate 222 can comprise root edge 2223 in addition, and root edge 2223 can be a weld part, wherein this weld part can be configured to be welded on the circuit board, increases the fixed position of housing 22 thus.

Remove and in tab portion 223, form frame mouth 224, make tab portion 223 be easy to be bent into reservation shape, the end segment 2231 of

tab portion

223 and 231 of the weld parts of terminal 23 can be had outside the preferable coplanarity, the utility model provides in addition and makes 21 of housing 22 and the insulating bodies can be relative to adjusting the technical characterstic that moves, and prevents thus to make error because of housing and insulating body and cause the not situation of coplane of housing weld and terminal weld part.

Shown in Fig. 9 and 10, this insulating body 21 comprises an end face 2161, this top board 221 of this end face 2161 contiguous these housings 22, wherein the distance W 2 of 22311 of the upper surfaces of this end segment 2231 of the inner surface 2211 of this top board 221 and this tab portion 223 is greater than a distance W 1 of surperficial 217 of this end segment 2231 of being close to this tab portion 223 on this end face 2161 and this insulating body 21.In one embodiment, insulating body 21 can comprise a protuberance 216, and this protuberance 216 protrudes out to the top board 221 of housing 22 from the body 21 that insulate, and the end face 2161 of this protuberance 216 can be close to the inner surface 2211 of the top board 221 of housing 22.Moreover, as shown in figure 10, after the end segment 2231 of each tab portion 223 is bent, the surface 217 of its upper surface 22311 contiguous insulating bodies 21, the distance W 2 that the upper surface of the inner surface 2211 of the top board 221 of its middle shell 22 and the end segment 2231 of tab portion 223 is 22311 is greater than the distance W 1 on 217 on the surface of the end face 2161 of the protuberance 216 of insulating body 21 and insulating body 21, so insulating body 21 can move or floats with respect to housing 22 upper and lower adjustment, can allow buckle elastic arm 225 upper and lower adjustment in corresponding depressed part 212 move simultaneously.Moreover, with reference to shown in Figure 8, the breach 226 of side plate 222 in upper and lower to width W 4 can be configured to greater than corresponding projection 213 in upper and lower to width W 3, so projection 213 can float in corresponding breach 226.

Shown in Fig. 3,4 and 9, insulating body 21 can comprise at least one guide vane end stop 214 in addition, and correspondingly, housing 22 can comprise at least one spacing hole 227 in addition.Spacing hole 227 can be arranged on the side band part 228 of housing 22.After housing 22 and insulating body 21 assemblings, spacing hole 227 and the cooperation of 214 of guide vane end stops can limit 21 of housing 22 and insulating bodies and move relative to adjustment.

Similarly, in one embodiment, as shown in Figure 4, spacing hole 227 in upper and lower to width W 6 can be configured to greater than guide vane end stop 214 in upper and lower to width W 5, so guide vane end stop 214 can be adjusted up, down in spacing hole 227 and move.

With reference to shown in Figure 7, in the embodiment of the present application, the weld part 231 of terminal 23 is configured to be welded on the circuit board in the mode of surface soldered.In the same manner, the end segment 2231 of tab portion 223 also is configured to be welded on the circuit board in the mode of surface soldered.The weld part 231 of terminal 23 tilts in the mode away from insulating body 21, makes the weld part 231 of terminal 23 can be the configuration state of oblique circuit board.The end segment 2231 of tab portion 223 also can tilt away from the mode of insulating body 21, makes the end segment 2231 of tab portion 223 can be the configuration state of oblique circuit board.So structural design can guarantee that the contact point between electric connector 2 and circuit board welded gasket is the weld part 231 of terminal 23 and the end segment 2231 of tab portion 223.

Shown in Fig. 5,6,7 and 9, insulating body 21 comprises a plurality of terminal containing slots 215, terminal containing slot 215 is arranged in paired mode along electronic component grafting direction (direction shown in Fig. 5 arrow A), wherein each terminal containing slot 215 is with the oblique extension of mode of the side 211 of the insulating body 21 that is adjacent towards electronic component grafting direction and deflection, thereby makes each be " splayed configuration " configuration to terminal containing slot.

Each terminal 23 of electric connector 2 can comprise an elastic arm 233, and electrical contacts 232 is positioned at the end of elastic arm 233.Elastic arm 233 is in corresponding terminal containing slot 215 towards electronic component grafting direction and outside the oblique extension of mode of the side 211 of the insulating body 21 that is adjacent of deflection, and the extension that in grafting space 24, is inclined upwardly, so that electrical contacts 232 can be positioned at grafting space 24.Obviously, the above-mentioned oblique extension of elastic arm 233 can increase its development length, makes its elasticity better.

With reference to shown in Figure 5, the top board 221 of housing 22 is configured to expose the electrical contacts 232 of terminal 23 of the interface 25 of contiguous electric connector 2, so the user is when inserting electric connector 2 with electronic component, can clearly observe electrical contacts 232 contact conditions of the terminal 23 of electronic component and contiguous interface 25, when avoiding electronic component to insert, damage the terminal 23 of contiguous interface 25.

Shown in Figure 11 and 12, the utility model discloses an electric connector 3 in addition.Electric connector 2 is that with electric connector 3 differences electric connector 3 comprises at least one terminal 33, and this terminal 33 comprises terminal 23 unexistent introduction parts 334 in addition.In addition, form the terminal containing slot 311 of accommodating terminal 33 and making adaptive change on the insulating body 31 of electric connector 3.33 of terminals comprise an electrical contacts 332, an elastic arm 333 and an introduction part 334.Electrical contacts 332 is positioned at the end of elastic arm 333, and elastic arm 333 extends in corresponding terminal containing slot 311 oblique grafting spaces 24, and electrical contacts 332 is positioned at grafting space 24.Introduction part 334 is bent downwardly extension from electrical contacts 332 towards the edge of this interface 25 of this electric connector 3, and its terminal edge submerges in the terminal containing slot 311.On the electrical contacts 332 of terminal 33, introduction part 334 is set, in the time of can allowing electronic component insert, contact introduction part 334 earlier, and the curved surface by introduction part 334 with terminal 33 smooth-goingly toward pressing down, and can avoid electronic component to insert the time, compress the edge of electrical contacts 332 accidentally, thereby force in the edge of contact site 332, cause terminal 33 to be twisted destruction.In a present embodiment, the bearing of trend of introduction part 334 is the bearing of trend of elastic arm 333 vertically.

In sum, the utility model discloses an electric connector, and it comprises a housing, an insulating body and a plurality of terminal.Housing comprises a tab portion, and the end segment of tab portion is configured to be fixed on the circuit board, and tab portion can be bent inwards, and makes its end segment be positioned at the insulating body below, thereby avoids using place in addition, electric connector position to fix electric connector.An extensible frame mouth on the tab portion so can make tab portion be easy to bending, and the weld part that causes its end segment and terminal with the bending of avoiding tab portion is the situation of coplane not.Can form the buckle elastic arm in the frame mouth, and can form depressed part on the insulating body,, can avoid housing that the back is installed and deviate from from the body that insulate by cooperating of buckle elastic arm and depressed part.Housing can comprise a breach in addition, and insulating body can correspondence comprise a projection, and breach cooperates with projection can limit the assembling position of housing on insulating body.Housing can comprise a spacing hole again, and can correspondingly comprise a guide vane end stop on the insulating body, and this spacing hole cooperates with guide vane end stop can limit relatively moving between housing and insulating body.Make progress at upper and lower, since the total height of insulating body less than the width of the spacing between the end segment of housing top board and tab portion, projection less than the width of the width of breach and guide vane end stop width less than spacing hole, therefore housing can float with respect to insulating body, so that housing and insulating body are on being welded in circuit board the time, can further do the adjustment on the relative position, with the weld part of the end segment of avoiding the tab portion that error was caused that housing and insulating body produce when making and the terminal situation of coplane not.Housing can be configured to expose the electrical contacts near the terminal of electric connector interface.In addition, at least one of a plurality of terminals can comprise an introduction part, and this introduction part is extended downwards from this electrical contacts edge outwardly of this terminal, thereby the protection terminal avoids forcing in because of insertion the edge of terminal electrical contacts, causes terminal to damage.

Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on the content of teaching of the present utility model and announcement and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, but comprises various do not deviate from replacement of the present utility model and modifications, and is contained by the scope of appending claims.

Claims

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

2. electric connector according to claim 1, it is characterized in that, respectively this side plate comprises a first end and a second end, wherein this tab portion is arranged at this first end, this the second end comprises a breach, respectively this side of this insulating body comprises a projection, and this projection is inserted in corresponding this breach.

3. electric connector according to claim 2 is characterized in that, respectively the root edge of this second end is a weld part.

4. electric connector according to claim 3, it is characterized in that, this insulating body comprises an end face, this top board of contiguous this housing of this end face, wherein the distance between the upper surface of this end segment of the inner surface of this top board and this tab portion is greater than the distance between a surface of this end segment of contiguous this tab portion on this end face and this insulating body.

5. electric connector according to claim 4, it is characterized in that, this insulating body also comprises a guide vane end stop, and this housing also comprises a spacing hole, this guide vane end stop and this spacing hole are equipped with, wherein this spacing hole in upper and lower to width be configured to greater than this guide vane end stop in upper and lower to width.

6. electric connector according to claim 2 is characterized in that, the bearing of trend of this buckle elastic arm and this breach towards opposite, stay on this insulating body and this housing held.

7. according to each described electric connector in the claim 1 to 6, it is characterized in that this end segment of this tab portion tilts in the mode away from this insulating body; This terminal comprises a weld part, and this weld part tilts in the mode away from this insulating body.

8. according to each described electric connector in the claim 1 to 6, it is characterized in that, respectively this terminal comprises an elastic arm, this elastic arm is with towards a grafting direction and be partial to the oblique extension of mode of this side of this insulating body, wherein this electrical contacts is positioned at corresponding this elastic arm end, and this electrical contacts of this terminal of the interface of close this electric connector exposes outside this housing.

9. electric connector according to claim 8, it is characterized in that, comprise an introduction part near at least one in this terminal of this interface of this electric connector, wherein this introduction part is extended downwards towards the edge of this interface of this electric connector from this electrical contacts of this terminal.

10. electric connector according to claim 9 is characterized in that, the extension that is perpendicular to one another with corresponding this elastic arm of this introduction part.

11., it is characterized in that this frame mouth extends in corresponding this side plate from the end segment of this tab portion according to each described electric connector in the claim 1 to 6.

12., it is characterized in that those terminals are embedded in this insulating body according to each described electric connector in the claim 1 to 6.