CN203503824U - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
CN203503824U
CN203503824U CN201320597788.XU CN201320597788U CN203503824U CN 203503824 U CN203503824 U CN 203503824U CN 201320597788 U CN201320597788 U CN 201320597788U CN 203503824 U CN203503824 U CN 203503824U
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CN
China
Prior art keywords
insulating body
retaining piece
electric connector
terminal
circuit board
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Expired - Fee Related
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CN201320597788.XU
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Chinese (zh)
Inventor
陈汉源
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Molex LLC
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Molex LLC
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Priority to CN201320597788.XU priority Critical patent/CN203503824U/en
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Publication of CN203503824U publication Critical patent/CN203503824U/en
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Abstract

The utility model discloses an electric connector, it contains an insulator, two fixing spare and a plurality of terminal. The insulating body comprises two flanges, and the two flanges extend outwards from two side faces of the insulating body respectively. Each fixing piece comprises a fixing part, a welding part and a connecting part. On each fixing piece, the fixing part is fixedly arranged on the insulating body; the bottom surface of the welding part is lower than the bottom surface of the flange of the insulating body but higher than the bottom surface of the insulating body; one end of the connecting part is connected with the fixing part, and the other end of the connecting part extends out of the corresponding side surface of the insulating body and is connected with the welding part. After the welding part of each fixing piece is welded on the circuit board, a spacing space is formed between the bottom surface of each flange and the top surface of the circuit board. The contact portion of each terminal extends out of the front face of the insulating body. The tail of each terminal extends out of the rear of the insulating body. The elastic part is positioned in the corresponding terminal groove on the insulating body. The electric connector can ensure the welding quality of the welding part of the holding piece and the tail part of the terminal.

Description

Electric connector
Technical field
The utility model relates to a kind of electric connector.
Background technology
Fig. 1 is an existing electric connector 1, and it is disclosed in notification number M366776 TaiWan, China new patent case.Electric connector 1 comprises insulating body 11, terminal 12 and retaining piece 13.12 groups of terminals are located on insulating body 11, and protrude the leading flank 111 of insulating body 11.Insulating body 11 is provided with ear 112, and retaining piece 13 is fixed on ear 112 places.Electric connector 1 can be arranged on circuit board, and the weld part of retaining piece 13 and terminal 12 can be welded on circuit board.
After electric connector 1 is placed on circuit board, circuit board can be developed in the bottom surface of ear 112.Yet, if after terminal 12 assemblings, when the bottom surface of its weld part and ear 112 is not coplanar, easily there is the problem of the empty weldering of weld part of terminal 12.
After electric connector 1 is welded on circuit board, retaining piece 13 is fixed on circuit board again, and develop at circuit board the bottom surface of ear 112, and so electric connector 1 is fixed on circuit board.
In addition, the ear 112 of insulating body 11 extends toward leading flank 111 from the trailing flank of insulating body 11, and the development length of ear 112 is greater than the trailing flank of insulating body 11 and half of the length between leading flank 111, so the development length of ear 112 is long.Moreover the width of ear 112 is almost suitable with the width of the weld part of retaining piece 13, so ear's 112 sizes are large.Because the size of ear 112 is large, easily there is large buckling deformation in ear 112.When large buckling deformation may cause terminal 12 welding, part weld part is suspended on the weld pad on circuit board, thereby the weld part that affects terminal 12 is welded on the quality of circuit board.
Utility model content
According to the problems referred to above, the utility model proposes new different electric connectors accordingly.
The utility model one embodiment discloses a kind of electric connector.This electric connector can be welded on the end face of a circuit board.This electric connector can comprise an insulating body, two retaining pieces and a plurality of terminal.Before insulating body can comprise one, after one, two sides, a bottom surface, a plurality of terminal groove and two flanges.Described terminal groove run through insulating body above with below.Two flanges can be respectively stretched out by the two sides of insulating body.Each retaining piece can comprise a fixed part, a weld part and a junction.On each retaining piece, fixed part is fixedly arranged on insulating body; The bottom surface of weld part is lower than the bottom surface of the flange of insulating body but higher than the bottom surface of insulating body; One end of connecting portion is connected and fixed portion, and the other end of connecting portion is extended and connecting welding portion by the corresponding side surface of insulating body.The weld part of each retaining piece is welded in after circuit board, between the bottom surface of each flange and the end face of circuit board, is formed with a clearance space.Each terminal comprises a contact site, an afterbody and an elastic portion.The contact site of each terminal stretch out insulating body before.The afterbody of each terminal stretch out insulating body after.Elastic portion is positioned at corresponding end pilot trench.
Further, respectively this connecting portion of this retaining piece comprises a downward opening kink.
Further, this insulating body is provided with a protection eaves portion above corresponding kink.
Further, respectively between this protection eaves portion and this corresponding kink, be formed with an interval.
Further, respectively this elastic portion of this terminal comprises multiple tracks bending.
Further, respectively the bottom surface of this afterbody of this terminal lower than the described bottom surface of described flange.
Further, respectively the described bottom surface of this bottom surface of this afterbody of this terminal and the described weld part of described retaining piece flushes.
Further, this insulating body comprises two slots, and this two slot is to should two retaining pieces, and this two slot arranges near these two sides respectively; Respectively this fixed part of this retaining piece comprises an inserted sheet, and wherein respectively this inserted sheet is plugged on this corresponding slot.
Further, on these two sides of this insulating body, be formed with respectively two recesses, respectively the part of this recess is defined by a recess side, this recess side face forward or rear, respectively this slot is formed at this corresponding recess side, respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, and wherein respectively this main body is positioned at this corresponding recess, and connects this inserted sheet.
Further, this insulating body comprises two stop sections, and this two stop section is to should two retaining piece settings; Respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, and wherein respectively this stop section is positioned at the below of this main body of correspondence.
Further, respectively this elastic portion of this terminal comprises multiple tracks bending.
Further, respectively the bottom surface of this afterbody of this terminal lower than the described bottom surface of described flange.
Further, respectively the described bottom surface of this bottom surface of this afterbody of this terminal and the described weld part of described retaining piece flushes.
Further, this insulating body comprises two protection eaves portions, two recess side, two stop sections and two slots; Respectively a recess is defined in this protection eaves portion, corresponding this recess side and this corresponding stop section; Respectively this slot is formed in this corresponding recess side, respectively this recess side face forward or rear; Respectively this connecting portion of this retaining piece comprises a downward opening kink, and respectively the top of this kink arranges this corresponding protection eaves portion; Respectively this fixed part of this retaining piece comprises an inserted sheet, and respectively this inserted sheet is plugged on this corresponding slot; Respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, and wherein respectively this main body is positioned at this corresponding recess, and connects this inserted sheet, and respectively this stop section is positioned at the below of this main body of correspondence.
Further, this circuit board comprises a perforate, and wherein the described fixed part of this two retaining piece extends in this perforate.
In embodiment at least of the present utility model, because retaining piece has elasticity, and be formed with a clearance space between the bottom surface of each flange and the end face of circuit board, so electric connector can float, electric connector can slightly be adjusted when docking.In embodiment at least of the present utility model, due to flange and circuit board interval one clearance space, therefore when the weld part of retaining piece and the afterbody of terminal are placed on the weld pad on circuit board accordingly, it can not be subject to the interference of insulating body, thereby the afterbody of the weld part of retaining piece and terminal can be easier to copline.In at least some embodiment, flange and circuit board interval one clearance space, and this clearance space can avoid flange to form rear produced tolerance and warpage allows flange touch circuit board, therefore can guarantee the welding quality of the weld part of retaining piece and the afterbody of terminal.
Accompanying drawing explanation
Fig. 1 is an existing electric connector, and it is disclosed in the application of notification number M366776 TaiWan, China new patent.
Fig. 2 is the schematic diagram of the utility model one embodiment, its illustration one electric connector.
Fig. 3 is the schematic side view of the utility model one embodiment, its illustration one electric connector.
Fig. 4 is the front-view schematic diagram of the utility model one embodiment, its illustration one electric connector.
Fig. 5 is the schematic diagram of the utility model one embodiment, the electric connector that its illustration one is decomposed.
Fig. 6 is the schematic top plan view of the utility model one embodiment, its illustration electric connector.
Fig. 7 is the cutaway view along the face line 700-700 of Fig. 6.
Fig. 8 is the schematic diagram of another embodiment of the utility model, its illustration one electric connector.
Fig. 9 is the schematic diagram of another embodiment of the utility model, a side of its illustration one electric connector.
Figure 10 is the schematic diagram of another embodiment of the utility model, the front of its illustration one electric connector.
Figure 11 is the decomposing schematic representation of another embodiment of the utility model, its illustration one electric connector.
Figure 12 is the schematic diagram of another embodiment of the utility model, the end face of its illustration one electric connector.
Figure 13 is the cutaway view along the face line 1300-1300 of Figure 12.
[symbol description]
1 electric connector
2 electric connectors
3 circuit boards
4 clearance spaces
5 intervals
6 electric connectors
11 insulating bodies
12 terminals
13 retaining pieces
21 insulating bodies
22 retaining pieces
23 terminals
31 end faces
32 perforates
61 insulating bodies
63 terminals
111 leading flanks
112 ears
Before 211
After 212
213 sides
214 bottom surfaces
215 flanges
216 terminal grooves
217 slots
218 recesses
219 eaves portions
220 stop sections
221 fixed parts
222 weld parts
223 connecting portions
231 contact sites
232 afterbodys
233 elastic portion
Before 611
After 612
613 sides
614 bottom surfaces
615 flanges
616 terminal grooves
618 recesses
619 eaves portions
620 stop sections
631 contact sites
632 afterbodys
633 elastic portion
2151 bottom surfaces
2181 recess side
2211 inserted sheets
2221 bottom surfaces
2231 kinks
2232 main bodys
2233 extensions
2321 bottom surfaces
6151 bottom surfaces
6181 recess side
6321 bottom surfaces
22311 openings.
Embodiment
Fig. 2 is the schematic diagram of the utility model one embodiment, its illustration one electric connector 2.Shown in Fig. 2, electric connector 2 is heavy plate-type connector, and can be welded on the end face 31 of a circuit board 3.Electric connector 2 can comprise an insulating body 21, two retaining pieces 22 and a plurality of terminal 23.A plurality of terminals 23 are assembled on insulating body 21.Electric connector 2 is mainly fixed on circuit board 3 by two retaining pieces 22.In one embodiment, electric connector 2 can be battery connector (battery connector), but the utility model is not as limit.
Fig. 3 is the schematic side view of the utility model one embodiment, its illustration one electric connector 2.Fig. 4 is the front-view schematic diagram of the utility model one embodiment, its illustration one electric connector 2.Shown in Fig. 2 and Fig. 3, insulating body 21 comprises one above 211, one below 212, two sides 213, a bottom surface 214 and two flanges 215.Insulating body 21 is partly housed in the perforate 32 of circuit board 3.A plurality of terminals 23 partly protrude above 211.Two retaining pieces 22 protrude from insulating body 21 side direction, are resisted against the end face 31 of circuit board 3, electric connector 2 is obtained and support.Two flanges 215 are stretched out by two sides 213 respectively, and are positioned at least partly circuit board 3 tops.
Shown in Fig. 4, when electric connector 2 is arranged on after circuit board 3, two flanges 215 are at least partially in extending on the end face 31 of circuit board 3, and are formed with a clearance space 4 between the bottom surface 2151 of each flange 215 and the end face 31 of circuit board 3.
Fig. 5 is the schematic diagram of the utility model one embodiment, the electric connector 2 that its illustration one is decomposed.Fig. 6 is the schematic top plan view of the utility model one embodiment, its illustration electric connector 2.Fig. 7 is the cutaway view along the face line 700-700 of Fig. 6.Shown in Fig. 5, Fig. 6 and Fig. 7, insulating body 21 comprises a plurality of terminal grooves 216.A plurality of terminal grooves 216 can corresponding a plurality of terminals 23.Terminal groove 216 can be above 211 and extend, and run through above 211 and 212 below between 212 below.
Shown in Fig. 5, each terminal 23 comprises a contact site 231, an afterbody 232 and an elastic portion 233.Contact site 231 is for contacting the corresponding electric contact on butt connector.Afterbody 232 is for being electrically connected circuit board 3.Elastic portion 233 is extended between afterbody 232 and contact site 231.When electric connector 2 and butt connector docking, elastic portion 233 can be by elastic compression; After butt connector is moved away, elastic portion 233 can resilience be returned the compressed front state of not pressing.
Shown in Fig. 7, terminal 23 can be assembled in corresponding terminal groove 216.After terminal 23 assembling, its contact site 231 stretches out 211 of insulating body 21 above, and its afterbody 232 stretches out 212 of insulating body 21 below, and its elastic portion 233 is to be positioned at corresponding terminal groove 216.
Shown in Fig. 5, retaining piece 22 can comprise a fixed part 221, a weld part 222 and a junction 223.Fixed part 221 can be installed in insulating body 21.One end of connecting portion 223 is connected and fixed portion 221, and its other end extends (Fig. 4) by the corresponding side surface 213 of insulating body 21, and connecting welding portion 222.Weld part 222 can be welded on circuit board 3.
Shown in Fig. 4, after retaining piece 22 utilizes fixed part 221 to be fixed on insulating body 21, bottom surface 2221 meetings of weld part 222 are lower than the bottom surface 2151 of the flange 215 of insulating body 21, and the bottom surface 2221 of weld part 222 can be higher than the bottom surface 214 of insulating body 21.
Shown in Fig. 4, in one embodiment, the connecting portion 223 of retaining piece 22 is not fixed or fixing; The surrounding that is the connecting portion 223 of retaining piece 22 has enough spaces, can allow it move or be out of shape, so retaining piece 22 has elasticity.Moreover, after electric connector 2 is welded on circuit board 3, between the bottom surface 2151 of flange 215 and circuit board 3, be to separate with 4 intervals of clearance space, and now electric connector 2 is to be mainly supported on circuit board 3 to have flexible retaining piece 22, therefore electric connector 2 can flexibly move with respect to circuit board 3 or float, and has floating effect.Unsteady electric connector 2, when docking with butt connector, can slightly adjust, and makes the operation of docking more smooth and easy, makes docking more tight.
Therefore in one embodiment, because retaining piece 22 has elasticity, after being welded on electric connector 2 on circuit board 3 and being pressed down, electric connector 2 can flexibly move down; And before the weld of 3 of the weld of 3 of the weld part 222 of retaining piece 22 and circuit boards and the afterbody 232 of terminal 23 and circuit boards is destroyed; the bottom surface 2151 meeting contact circuit plates 3 of flange 215; and avoid electric connector 2 to continue to be pressed down, to protect the weld of 3 of the weld part 222 of retaining piece 22 and the afterbody 232 of 3 of circuit boards and terminal 23 and circuit boards etc.
Shown in Fig. 4 and Fig. 5, in one embodiment, insulating body 21 comprises two slots 217.Two slots 217 are that corresponding two retaining pieces 22 arrange.Two slots 217 arrange near two sides 213 respectively.Fixed part 221 comprises an inserted sheet 2211.Inserted sheet 2211 can insert in corresponding slot 217, and with corresponding slot 217 interference engagement, so retaining piece 22 can be fixed on insulating body 21.
Shown in Fig. 5, two recesses 218 are formed at respectively the two sides 213 of insulating body 21, and extend to above 211 of insulating body 21.The part of recess 218 is defined by a recess side 2181.These recess side 2181 face forward.Slot 217 is formed at this recess side 2181.Retaining piece 22 inserts recess 218 from insulating body 21 the place aheads, after inserted sheet 2211 insertion slots 217 are interior, completes the assembling of retaining piece 22, and now retaining piece 22 is flange 215 the place aheads that are positioned at insulating body 21.
Shown in Fig. 4 and Fig. 5, insulating body 21 comprises two protection eaves portions 219.The two corresponding retaining pieces 22 of protection eaves portion 219 arrange.The part of retaining piece 22 is extended below corresponding protection eaves portion 219, to protect this part of retaining piece 22, makes this part of retaining piece 22 can avoid being touched and be out of shape.
Shown in Fig. 5, the connecting portion 223 of each retaining piece 22 can comprise a kink 2231.Kink 2231 has an opening 22311 down.Protection eaves portion 219 is provided in a side of corresponding kink 2231 tops, makes the kink 2231 can be protected, avoids being touched.
Shown in Fig. 4, between each kink 2231 and the protection eaves portion 219 of correspondence, can be formed with an interval 5.This interval 5 can provide the larger activity space of connecting portion 223 of retaining piece 22, makes the floating effect of electric connector 2 better.
Shown in Fig. 5, the connecting portion 223 of each retaining piece 22 can comprise a main body 2232 and an extension 2233, and wherein extension 2233 connects main body 2232 and weld part 222.Main body 2232 can connect inserted sheet 2211.In one embodiment, extension 2233 comprises kink 2231.After inserted sheet 2211 insertion slots 217 are interior, the main body 2232 of retaining piece 22 can be positioned at corresponding recess 218.Insulating body 21 comprises two stop sections 220 again.Corresponding two retaining pieces 22 in two stop sections 220 arrange.After each retaining piece 22 is arranged on insulating body 21, corresponding stop section 220 is positioned at the below of the main body 2232 of retaining piece 22.So, when electric connector 2 is subject to upwards strength, the stop section 220 of insulating body 21 can block in the main body 2232 of retaining piece 22, the distance moving up to limit electric connector 2, the welding between protection electric connector 2 and circuit board 3.
In one embodiment, each protects eaves portion 219, corresponding recess side 2181 and corresponding stop section 220 to define recess 218.
Shown in Fig. 3, the afterbody 232 of terminal 23 is welded on circuit board 3.The afterbody 232 of terminal 23 has a bottom surface 2321, and afterbody 232 is to weld towards the mode of circuit board 3 with bottom surface 2321.The bottom surface 2321 of afterbody 232 can be lower than the bottom surface 2151 of the flange 215 of insulating body 21.In one embodiment, the bottom surface 2221 of the bottom surface 2321 of afterbody 232 and the weld part 222 of retaining piece 22 is to flush, so the afterbody 232 of terminal 23 and the weld part 222 of retaining piece 22 can coplines, thereby after electric connector 2 is placed on circuit board 3, the afterbody 232 of terminal 23 and the weld part 222 of retaining piece 22 be corresponding weld pad on contact circuit plate 3 really all, to guarantee welding quality.
In one embodiment, owing to being formed with a clearance space 4 between the bottom surface 2151 of flange 215 of insulating body 21 and the end face 31 of circuit board 3, make after electric connector 2 is placed on circuit board 3, insulating body 21 does not touch circuit board 3, and allow the easier copline of weld part 222 of afterbody 232 and retaining piece 22 of terminal 23, and can guarantee welding quality.In one embodiment, between the bottom surface 2151 of the flange 215 of insulating body 21 and the end face 31 of circuit board 3, be formed with a clearance space 4, the tolerance or the warpage that after flange 215 is formed, produce, still can allow flange 215 not touch circuit board 3, thereby can guarantee the coplanarity of the afterbody 232 of terminal 23 and the weld part 222 of retaining piece 22.
Shown in Fig. 5, in one embodiment, the elastic portion 233 of terminal 23 can comprise multiple tracks bending.In one embodiment, the elastic portion 233 of terminal 23 comprises the multiple tracks bending that is wavy.In one embodiment, the elastic portion 233 of terminal 23 comprises the multiple tracks bending that is W shape.
Fig. 8 is the schematic diagram of another embodiment of the utility model, its illustration one electric connector 6.Fig. 9 is the schematic diagram of another embodiment of the utility model, a side of its illustration one electric connector 6.Figure 10 is the schematic diagram of another embodiment of the utility model, the front of its illustration one electric connector 6.Figure 11 is the decomposing schematic representation of another embodiment of the utility model, its illustration one electric connector 6.Figure 12 is the schematic diagram of another embodiment of the utility model, the end face of its illustration one electric connector 6.Figure 13 is the cutaway view along the face line 1300-1300 of Figure 12.Shown in Fig. 8 and Figure 11, electric connector 6 comprises an insulating body 61, two retaining pieces 22 and a plurality of terminal 63.
Shown in Figure 11, Figure 12 and Figure 13, insulating body 61 comprises a plurality of terminal grooves 616.Each terminal groove 616 is above 611 and 612 extensions below of insulating body 61, and runs through above 611 and 612 below.Each terminal 63 can be assembled in corresponding terminal groove 616, and wherein the contact site 631 of terminal 63 stretches out above 611; The afterbody 632 of terminal 63 stretches out below 612 of insulating body 61, and is welded on circuit board 3; The elastic portion 633 of terminal 63 is positioned at terminal groove 616.
Shown in Figure 11, on each retaining piece 22, the fixed part 221 of retaining piece 22 can be installed in insulating body 61.One end of the connecting portion 223 of retaining piece 22 is connected and fixed portion 221, and its other end is extended and connecting welding portion 222 (Fig. 8) by the corresponding side surface 613 of insulating body 61.Shown in Figure 10, after electric connector 6 is placed on circuit board 3, the bottom surface 2221 of the weld part 222 of retaining piece 22 can be higher than the bottom surface 614 of insulating body 61.
Shown in Figure 10 and Figure 11, insulating body 61 comprises two flanges 615.Two flanges 615 stretch out from the two sides 613 of insulating body 61 respectively, and are the top that is positioned at circuit board 3 at least partly.The bottom surface 2221 of the weld part 222 of retaining piece 22 can be lower than the bottom surface 6151 of flange 615.In addition, when the weld part 222 of each retaining piece 22 is welded on after circuit board 3, between the bottom surface 6151 of each flange 615 and the end face 31 of circuit board 3, be formed with a clearance space 4, so electric connector 6 is supported by the flexible retaining piece 22 of tool and terminal 63, thereby electric connector 6 floats.
Shown in Fig. 9 and Figure 11, in one embodiment, insulating body 61 comprises two slots.Two slots are that corresponding two retaining pieces 22 arrange.Two slots arrange near two sides 613 respectively.Fixed part 221 comprises an inserted sheet 2211.Inserted sheet 2211 can insert in corresponding slot, and with corresponding slot 217 interference engagement, so retaining piece 22 can be fixed on insulating body 61.
Shown in Figure 11, two recesses 618 are formed at respectively the two sides 613 of insulating body 61, and extend to below 612 of insulating body 61.The part of recess 618 is defined by a recess side 6181.This recess side 6181 is towards rear.Slot is formed at this recess side 6181.Retaining piece 22 is from insulating body 61 rears, insert forward recess 618, after inserted sheet 2211 inserts in slot, complete the assembling of retaining piece 22, now retaining piece 22 is flange 615 rears that are positioned at insulating body 61, and the main body 2232 of retaining piece 22 is to be positioned at corresponding recess 618.
Shown in Fig. 9 and Figure 11, insulating body 61 comprises two protection eaves portions 619.The part of retaining piece 22 is extended below corresponding protection eaves portion 619, to protect this part of retaining piece 22, makes this part of retaining piece 22 can avoid being touched and be out of shape.In one embodiment, the connecting portion 223 of each retaining piece 22 can comprise a kink 2231.Kink 2231 has an opening 22311 down.Kink 2231 is to be positioned at corresponding protection eaves portion 619 belows, makes the kink 2231 can be protected, avoids being touched.Shown in Fig. 9, in one embodiment, between each kink 2231 and the protection eaves portion 619 of correspondence, can be formed with an interval 5.This interval 5 can provide the larger activity space of connecting portion 223 of retaining piece 22, makes the floating effect of electric connector 6 better.
Shown in Figure 11, insulating body 61 comprises two stop sections 620.After each retaining piece 22 is arranged on insulating body 61, corresponding stop section 620 is positioned at the below of the main body 2232 of retaining piece 22.So, when electric connector 6 is subject to upwards strength, the stop section 620 of insulating body 61 can block in the main body 2232 of retaining piece 22, the distance moving up to limit electric connector 6, the welding between protection electric connector 6 and circuit board 3.
In one embodiment, each protects eaves portion 619, corresponding recess side 6181 and corresponding stop section 620 to define recess 618.
Shown in Fig. 9, in one embodiment, the bottom surface 2221 of the bottom surface 6321 of the afterbody 632 of terminal 63 and the weld part 222 of retaining piece 22 is to flush.So, the afterbody 632 of terminal 63 and the weld part 222 of retaining piece 22 all can be welded on weld pad corresponding on circuit board 3 really, and welding quality is guaranteed.
In one embodiment, owing to being formed with a clearance space 4 between the bottom surface 6151 of flange 615 of insulating body 61 and the end face 31 of circuit board 3, make after electric connector 6 is placed on circuit board 3, insulating body 61 does not touch circuit board 3, and allow the easier copline of weld part 222 of afterbody 632 and retaining piece 22 of terminal 63, and can guarantee welding quality.In one embodiment, between the bottom surface 6151 of the flange 615 of insulating body 61 and the end face 31 of circuit board 3, be formed with a clearance space 4, the tolerance or the warpage that after flange 615 is formed, produce, still can allow flange 615 not touch circuit board 3, thereby can guarantee the coplanarity of the afterbody 632 of terminal 63 and the weld part 222 of retaining piece 22.
Shown in Figure 11, the elastic portion 633 of terminal 63 can comprise multiple tracks bending.In one embodiment, the elastic portion 633 of terminal 63 comprises the multiple tracks bending that is wavy.In one embodiment, the elastic portion 633 of terminal 63 comprises S-shaped multiple tracks bending.
In at least some embodiment, electric connector is heavy plate-type connector, and it can comprise an insulating body and a plurality of retaining piece.Retaining piece has elasticity.Retaining piece supports insulative body is on a circuit board, and the part that makes to be positioned on insulating body circuit board top (for example: flange) interval circuit board one clearance space, provides electric connector one floating space thus.In at least some embodiment, owing to being positioned at the part and circuit board interval one clearance space of circuit board top on insulating body, therefore when the weld part of retaining piece and the afterbody of terminal are placed on the weld pad on circuit board accordingly, it can not be subject to the interference of insulating body, thereby the weld part of retaining piece and the afterbody of terminal can be easier to copline.In addition, in at least some embodiment, on insulating body, be positioned at the part and circuit board interval one clearance space of circuit board top, and tolerance and warpage that this clearance space produces after forming at circuit board upper section on can housing insulation body, so can guarantee the welding quality of the weld part of retaining piece and the afterbody of terminal.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present disclosure and announcements and done all replacement and modifications that does not deviate from disclosure spirit.Therefore, protection range of the present disclosure should be not limited to implement that example discloses, and should comprise various do not deviate from replacement of the present disclosure and modifications, and is contained by claim.

Claims (15)

1. an electric connector, is characterized in that, it is welded on the end face of a circuit board, and this electric connector comprises:
One insulating body, comprise one before, after one, two sides, a bottom surface, a plurality of terminal groove and two flanges, wherein said terminal groove run through this above with this after, this two flange is stretched out by these two sides respectively;
Two retaining pieces, respectively comprise a fixed part, one weld part and a junction, wherein on this retaining piece respectively, this fixed part is fixedly arranged on this insulating body, the bottom surface of this weld part is lower than the bottom surface of the described flange of this insulating body but higher than this bottom surface of this insulating body, one end of this connecting portion connects this fixed part, and the other end of this connecting portion is extended by this corresponding side of this insulating body and connect this weld part, wherein respectively this weld part of this retaining piece is welded in after this circuit board, respectively between this bottom surface of this flange and this end face of this circuit board, be formed with a clearance space, and
A plurality of terminals, respectively comprise a contact site, an afterbody and an elastic portion, wherein respectively this contact site of this terminal stretches out before being somebody's turn to do of this insulating body, and respectively this afterbody of this terminal stretches out after being somebody's turn to do of this insulating body, and this elastic portion is arranged in described terminal groove corresponding end pilot trench.
2. electric connector according to claim 1, is characterized in that, wherein respectively this connecting portion of this retaining piece comprises a downward opening kink.
3. electric connector according to claim 2, is characterized in that, wherein this insulating body is provided with a protection eaves portion above corresponding kink.
4. electric connector according to claim 3, is characterized in that, wherein respectively between this protection eaves portion and this corresponding kink, is formed with an interval.
5. electric connector according to claim 1, is characterized in that, wherein respectively this elastic portion of this terminal comprises multiple tracks bending.
6. electric connector according to claim 1, is characterized in that, wherein respectively the bottom surface of this afterbody of this terminal lower than the described bottom surface of described flange.
7. electric connector according to claim 6, is characterized in that, wherein respectively the described bottom surface of this bottom surface of this afterbody of this terminal and the described weld part of described retaining piece flushes.
8. electric connector according to claim 1 and 2, is characterized in that, wherein this insulating body comprises two slots, and this two slot is to should two retaining pieces, and this two slot arranges near these two sides respectively; Respectively this fixed part of this retaining piece comprises an inserted sheet, and wherein respectively this inserted sheet is plugged on this corresponding slot.
9. electric connector according to claim 8, it is characterized in that, wherein on these two sides of this insulating body, be formed with respectively two recesses, respectively the part of this recess is defined by a recess side, this recess side face forward or rear, respectively this slot is formed at this corresponding recess side, and respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, wherein respectively this main body is positioned at this corresponding recess, and connects this inserted sheet.
10. electric connector according to claim 8, is characterized in that, wherein this insulating body comprises two stop sections, and this two stop section is to should two retaining piece settings; Respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, and wherein respectively this stop section is positioned at the below of this main body of correspondence.
11. electric connectors according to claim 8, is characterized in that, wherein respectively this elastic portion of this terminal comprises multiple tracks bending.
12. electric connectors according to claim 8, is characterized in that, wherein respectively the bottom surface of this afterbody of this terminal lower than the described bottom surface of described flange.
13. electric connectors according to claim 12, is characterized in that, wherein respectively the described bottom surface of this bottom surface of this afterbody of this terminal and the described weld part of described retaining piece flushes.
14. electric connectors according to claim 2, is characterized in that, wherein this insulating body comprises two protection eaves portions, two recess side, two stop sections and two slots; Respectively a recess is defined in this protection eaves portion, corresponding this recess side and this corresponding stop section; Respectively this slot is formed in this corresponding recess side, respectively this recess side face forward or rear; Respectively this connecting portion of this retaining piece comprises a downward opening kink, and respectively the top of this kink arranges this corresponding protection eaves portion; Respectively this fixed part of this retaining piece comprises an inserted sheet, and respectively this inserted sheet is plugged on this corresponding slot; Respectively this connecting portion of this retaining piece comprises the extension that a main body and connects this main body and this weld part, and wherein respectively this main body is positioned at this corresponding recess, and connects this inserted sheet, and respectively this stop section is positioned at the below of this main body of correspondence.
15. electric connectors according to claim 1, is characterized in that, wherein this circuit board comprises a perforate, and wherein the described fixed part of this two retaining piece extends in this perforate.
CN201320597788.XU 2013-09-26 2013-09-26 Electrical connector Expired - Fee Related CN203503824U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108400461A (en) * 2018-02-06 2018-08-14 番禺得意精密电子工业有限公司 Terminal
TWI684313B (en) * 2017-09-08 2020-02-01 美商莫仕有限公司 Battery connection module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI684313B (en) * 2017-09-08 2020-02-01 美商莫仕有限公司 Battery connection module
CN108400461A (en) * 2018-02-06 2018-08-14 番禺得意精密电子工业有限公司 Terminal

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