CN102185199B - Rectangular electric connector with power contact piece - Google Patents

Rectangular electric connector with power contact piece Download PDF

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Publication number
CN102185199B
CN102185199B CN 201110047759 CN201110047759A CN102185199B CN 102185199 B CN102185199 B CN 102185199B CN 201110047759 CN201110047759 CN 201110047759 CN 201110047759 A CN201110047759 A CN 201110047759A CN 102185199 B CN102185199 B CN 102185199B
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China
Prior art keywords
power contact
contact
substrate
insulation shell
installation cavity
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Expired - Fee Related
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CN 201110047759
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CN102185199A (en
Inventor
熊涛
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Priority to CN 201110047759 priority Critical patent/CN102185199B/en
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Publication of CN102185199B publication Critical patent/CN102185199B/en
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Abstract

The invention discloses a rectangular electric connector with a power contact piece. In the rectangular electric connector disclosed by the invention, the front end of the substrate of a contact slice is integrally connected with more than two front contact fingers which extend forwards and are distributed from left to right; the rear end of the substrate is provided with a locking groove; and the front contact fingers form a thrust concave surface which is pitted inwards between the inner surface of the folded inclined slice part and the inner surface of the curved slice part of the front contact fingers. In the rectangular electric connector disclosed by the invention, the thrust concave surfaces at the locking groove and the front parts of the front contact fingers are respectively formed at the front and rear parts of the power contact piece provided by the invention, thus when the power contact piece is inserted forwards into a power contact piece mounting cavity corresponding to an insulating cavity from the rear end of the connector, the power contact piece can be in close fit with a front transverse beam and a cantilever barb which are correspondingly arranged in the contact slice mounting cavity of the insulating shell, thereby realizing the fixing; and when the rectangular electric connector is disassembled, a cantilever is pressed from an insertion channel at the front end of the insulating shell, thus the barb and the groove of the power contact piece are separated to realize the unlocking, and the disassembly is extremely convenient.

Description

Rectangular electric connector with power contact spare
Technical field
The present invention relates to electric connector.
Background technology
The existing a kind of rectangular electric connector that can finish simultaneously power electric current and signal code transmission, the power contact spare and the signal contacting piece that comprise the reed-type of installing in the insulation shell of rectangle and the contact chip installation cavity thereof, such as the disclosed a kind of connector of the patent documentation of China Patent Publication No. CN 201549627, it is the elastic connecting fingertip that its power contact spare and signal contacting piece all adopt afterbody, head is the flat inserted sheet of elastic spring, also have the heat radiation slotted hole in the reed of contact head, this kind contact adopts locking slot thrust cooperation corresponding in the contact chip installation cavity of turn up shell fragment and the connector outwards routed up at its middle part and tightens together, this kind fixed form causes contact must tool using when unloading to stretch into the inner actuating of the connector shell fragment that turns up, operating difficulties also damages contact easily, and the shell fragment processing more complicated of turning up of contact.
Summary of the invention
The object of the present invention is to provide a kind of rectangular electric connector of being convenient to install unloading power contact spare.
Technical scheme of the present invention is: a kind of rectangular electric connector, comprise the insulation shell of rectangle and the power contact spare of wherein installing, the insulation shell front end is inserted terminal, insulation shell has close when installing and reaches and circuit board installation site distance end face farthest towards the bottom surface of adapter circuit plate, the both sides of the length direction of insulation shell are the left and right sides, be provided with in the insulation shell that a plurality of length directions at insulation shell distribute, the power contact spare installation cavity that is used for assembling power contact spare, described power contact spare is by between the upper and lower every the top that arranges, end contact chip consists of, each contact chip includes the substrate of the shaped flat at middle part, each substrate has when being connected with the corresponding circuits plate surface towards the bottom surface of institute's connection circuit plate, with each substrate bottom surface towards direction be defined as downwards; Simultaneously the substrate of apical grafting contact also has towards relative inner surface with towards opposing outer surface with the substrate of end contact chip, with the inner surface of substrate towards direction be defined as inwardly, with the outer surface of substrate towards direction be defined as outwardly; The equal one of each substrate front end of described top, end contact chip be connected with plural extend forward about the front fingertip that distributes, described being between the same on-chip adjacent front fingertip left the space, the substrate rear end of described top, end contact chip all by the bending structure one be connected with to downward-extension, be used for being connected with circuit board plural about the pin of distribution, be between the same on-chip adjacent leads and leave the space, the space between described pin is in the substrate rear end and is provided with lock slots; The front fingertip of described top, end contact chip has the fin part that an end is connected with substrate, the other end tilts perk inwardly, fin part front end is connected with the bending part that bends outwards perk, the front end of bending part is connected with towards the oblique sheet part of the bending of outer incline perk, the trend of the oblique sheet part of described bending perk outwardly is less than the trend of bending part front end perk outwardly, thereby forms the thrust concave surface that caves inward between the inner surface of the inner surface that bends oblique sheet part and bending part; The front fingertip of contact chip of the described end and the front fingertip of described apical grafting contact are symmetrical structure up and down, and both fin part front interval arrange and form the gap of inserting for adaptive public contact; Described power contact spare installation cavity is by pushing up near insulation shell, the top of basal surface position, chamber, bottom side wall and left and right sides chamber wall enclose the fore-and-aft direction that forms and extend rectangular cavities, on the insulation shell rear end near the top of power contact spare installation cavity, wall place, chamber, bottom side is provided with respectively be used to the described top of packing into, the installing port of end power interface contact, power contact spare installation cavity is provided with interface in the front end of insulation shell, power contact spare installation cavity middle part is provided with the grafting passage that extends back from interface, the top of power contact spare installation cavity, be equipped with elastic cantilever on the wall of chamber, bottom side, each elastic cantilever one is connected in the middle part of chamber, place wall and extends to the rear end of insulation shell, the end of each elastic cantilever is provided with towards described grafting passage, lock friction tight barb with the lock slots of described top/end power interface contact, be provided with in the power contact spare installation cavity near the front end place of insulator housings and each installing port corresponding front beam along the left and right directions extension that arranges one by one, the rear end of each front beam is provided with the thrust convex surface that the thrust concave surface thrust on the front fingertip with described top/end power interface contact cooperates.
The arranged on left and right sides of each substrate of described top, end contact chip be respectively equipped with respect to the lateral surface of the outermost front fingertip on the left and right direction, pin and left, outstanding location alar part to the right, be in the positioning table terrace that forms on the front end face of substrate at alar part front position place, two location forward; Be oppositely arranged about corresponding each installing port place on the left and right side chamber wall of described power contact spare installation cavity along the alar part slot fore-and-aft direction guiding, that be used for the alar part of grafting power interface contact both sides, about the cross section perpendicular to its guide direction of two alar part slots being oppositely arranged be two relative U-shapeds of opening, the rear end of each alar part slot is open and communicate with corresponding installing port, the front end sealing of each alar part slot and form Thrust Faces, that cooperate with the positioning table terrace thrust of described location alar part backwards.
On the described left and right lateral surface that is in the substrate of respectively locating on the alar part respectively one convex with most advanced and sophisticated a plurality of hangnails backwards.
Described location alar part front end also one is connected with forward location tongue piece that extend, that be shorter than front fingertip.
The front end of each fin part of described top, end contact chip has tilted plate section, and this tilted plate section tilts inwardly, but the trend that tilted plate section tilts inwardly is less than the trend that tilted plate section fin part before tilts inwardly.
Also be provided with the jack that the front end that holds corresponding power interface contact injects between the top of described each front beam and power contact spare installation cavity, chamber, the bottom side wall, the jack rear end communicates with power contact spare installation cavity and extends to forward the front end of insulation shell and be provided with opening.
Also be provided with the convex tendon for the alar part that compresses the corresponding power contact chip on the cell wall of described alar part slot.
The top of described power contact spare installation cavity, chamber, bottom side wall are provided with the radiating groove fore-and-aft direction extension, that connect the front and back end of insulation shell.
The rear end that described grafting passage extends back connects to the insulation shell rear end and with described installing port and communicates, and forms the radiator structure that connects.
The invention has the beneficial effects as follows: the front and back of power contact spare of the present invention are arranged with the thrust concave surface of lock slots and front fingertip front portion, thereby when inserting forward power contact spare installation cavity corresponding the insulation shell from connector rear end, can cooperate with front beam and the locking of cantilever barb of corresponding setting in the contact chip installation cavity of insulation shell, realize fixing, when unloading, only need to press cantilever at insulation shell front end place through inserting passage, barb can be separated the realization release with the groove of power contact spare, unloading is very convenient.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment 1 of power contact spare of the present invention;
Fig. 2 is the perspective view of the apical grafting contact among Fig. 1;
Fig. 3 is the floor map of Fig. 2;
Fig. 4 is the enlarged drawing of A section among Fig. 2;
Fig. 5 is the schematic perspective view of the end contact chip among Fig. 1;
Fig. 6 is the schematic perspective view of the top power interface contact of power contact spare embodiment 2 of the present invention;
Fig. 7 is the schematic perspective view of the end power interface contact of power contact spare embodiment 2 of the present invention;
Fig. 8 is the structural representation of rectangular electric connector of the present invention;
Fig. 9 is the rearview of Fig. 8;
Figure 10 is the stereogram of the insulation shell among Fig. 8;
Figure 11 is the enlarged drawing of C section among Figure 10;
Figure 12 is the fit structure schematic diagram of the electric connector in the power contact spare load map 8 among Fig. 1.
Embodiment
Such as Fig. 1~shown in Figure 5, the embodiment 1 of power contact spare of the present invention, this power contact spare is installed in the power contact spare installation cavity of insulation shell of adaptive rectangular electric connector in use, and be connected with circuit board by its pin, this power contact spare 2 is made of a pair of top, end contact chip 10,11, and end contact chip 11 wherein is more close circuit board in use.The structure of top, end contact chip is basic identical, at this apical grafting contact is described in detail.
Apical grafting contact 10 comprises the substrate 20 of the shaped flat at middle part, substrate 20 has when being connected with the corresponding circuits plate surface towards the bottom surface of institute's connection circuit plate, with the bottom surface of substrate 20 towards direction be defined as downwards, the end face of substrate 20 towards then for upwards, substrate 20 front end one be connected with two extend forward about the front fingertip 21 that distributes, leave the space between the described adjacent front fingertip 21, substrate 20 rear ends are connected with to downward-extension by the bending structure one, about two pins 22 that distribute that are used for being connected with circuit board, leave the space between the described adjacent leads 22, the left side of substrate 20, right both sides be respectively equipped with for the location alar part 23 of the alar part slot location inserting of the left and right sides of the power contact spare installation cavity of the insulation shell 1 of correspondence, two location alar parts 23 are respectively with respect to a left side, outermost front fingertip on the right, the lateral surface of pin and left, outstanding to the right, be in the positioning table terrace 26 that forms on the front end face of substrate 20 at alar part 23 front position places, two location forward.When above structure is fixed wider location alar part 23 insertings of left and right sides span in the alar part slot of correspondence, about overall narrower front fingertip and the pin of span can not be absorbed in the alar part slot yet.Be on the left and right lateral surface of the substrate 20 of respectively locating on the alar part 23 respectively that one convexes with most advanced and sophisticated a plurality of hangnails 24 backwards, the space between described each pin 22 be in substrate 20 rear ends be provided with for the friction tight lock slots 25 of barb 311 locks of the power contact spare installation cavity 3 of corresponding rectangular electric connector.When apical grafting contact 10 when plug-in mounting enters the corresponding power contact spare installation cavity of adaptive electric connector, in the alar part slot of described alar part 23 guiding insertings in power contact spare installation cavity (having in the back detailed introduction), to apical grafting contact 10 with respect to insulation shell 1 about and above-below direction fix, the tip of described hangnail 24 can be thrust in the cell wall of alar part slot and is beneficial to fixing.
Simultaneously the substrate of apical grafting contact 10 also has towards relative inner surface with towards opposing outer surface with the substrate of end contact chip 11, with the inner surface of substrate towards direction be defined as inwardly, with the outer surface of substrate towards direction be defined as outwardly.
The front fingertip 21 of each of apical grafting contact 10 all has an end and is connected with substrate 20, tilt the inwardly fin part 211 of perk of the other end, the front end of fin part 211 has tilted plate section 214, this tilted plate section 214 tilts inwardly, but the trend that tilted plate section 214 tilts inwardly is less than the trend that the fin part 211 before the tilted plate section 214 tilts inwardly, being shown as in the drawings tilted plate section 214 has outwardly slope trend and has included angle B with respect to the fin part 211 before the tilted plate section 214, so in fact so that tilted plate section 214 diminish with respect to the degree that substrate 20 bottom surfaces tilt inwardly, thereby the bottom surface of tilted plate section 214 contacts and can form during pressurized the convergence level at power contact spare 2 with adaptive contact, be beneficial to the plane that increases the conductive contact surfaces area.The front end of the tilted plate section 214 of fin part 211 is connected with the bending part 212 that bends outwards perk, the front end of bending part 212 is connected with plane, place, bottom surface with respect to substrate 20 towards the oblique sheet part 213 of the bending of outer incline perk, but the trend that bends the perk outwardly of oblique sheet part 213 is less than the trend of bending part 212 front ends perk outwardly, thereby form the arc thrust concave surface 215 that caves inward between the bottom surface of the bottom surface that bends oblique sheet part 213 and bending part 212, this arc thrust concave surface 215 cooperates with the thrust convex surface 321 identical blocks of the arc of the front beam 32 of described insulation shell 1.Tilted plate section 214 in this a kind of embodiment of the present invention is as the extension of fin part 211 ends and transition is connected between fin part 211 and the bending part 212, certainly in other execution modes of the present invention, if do not pursue best electro-contact effect, also tilted plate section 214 can be set and with directly directly being connected with bending part 212 that fin part 211 does not bend.
Contact chip of the described end 11 is similar with the structure of apical grafting contact 10, its difference is, end contact chip 11 is in order to adapt to the installation site of pressing close in use circuit board and to abdicate the space that the pin that holds apical grafting contact 10 passes through on the whole, the length of the pin of end contact chip 11 is smaller than the length of the pin of apical grafting contact 10, and the length on the fore-and-aft direction of end contact chip 11 substrates is smaller than the length on the fore-and-aft direction of apical grafting contact 10 substrates.In addition, the front contact finger structure of top, end contact chip is identical in fact, but the perk direction of the perk direction of the front fingertip each several part on the end contact chip and described apical grafting contact 10 each several parts forms female contact piece structure of the adaptive male contact insertion of confession between the two for being symmetrical arranged up and down with folded plane symmetry under the use state with the structure that guarantees top, end contact chip.Further, in order in the short situation of the substrate length of end contact chip 11, to keep the positioning stablity of its location alar part, the location alar part front end of the substrate both sides of end contact chip 11 also one is connected with two location tongue pieces 111 that extend forward, be shorter than front fingertip, the location tongue piece 111 that also can not arrange certainly in other embodiments of the invention.
Above-described embodiment is the less small size power contact spare of a kind of size, and in other embodiments of the invention, top, the front fingertip of end contact chip and the number of pin can be more than three, such as Fig. 7, shown in Figure 8, the embodiment 2 of power contact spare of the present invention is a kind of large size power contact spare, and its front fingertip has 6, pin is 3, and is provided with two place's lock slots between each pin.
Such as Fig. 1~shown in Figure 12, the embodiment of rectangular electric connector of the present invention, comprise the insulation shell 1 of rectangle and the power contact spare of wherein installing, insulation shell 1 front end is the inserted terminal of corresponding grafting with intermateable connector, insulation shell 1 has close when installing and reaches and circuit board installation site distance end face farthest towards the bottom surface of adapter circuit plate, the both sides of the length direction of insulation shell 1 are the left and right sides, and insulation shell 1 surface is provided with ventilation guiding gutter 9.Be provided with in the insulation shell 1 that a plurality of length directions at insulation shell 1 distribute, the power contact spare installation cavity that is used for assembling power contact spare, in the present embodiment, the power contact spare that fills be divided into such as Fig. 6 by its size, large size power contact spare 5 shown in Figure 7 and such as Fig. 1~small size power contact spare 2 shown in Figure 5, therefore according to the size of adaptive contact, power contact spare installation cavity is divided into 3 two kinds of large size power contact spare installation cavity 6 and small size power contact spare installation cavitys, both structures are similar, here mainly take with the embodiment of above-mentioned power contact spare in the adaptive small size power contact spare installation cavity 3 of the small size power contact spare 2 introduced be introduced as example.In addition, also be provided with the signal contacting piece installation cavity 8 that signal contacting piece 7 is installed in the insulation shell 1, the be placed in left and right sides of signal contacting piece installation cavity 8 of large size power contact spare installation cavity 6 and small size power contact spare installation cavity 3.
Each small size power contact spare installation cavity 3 is by pushing up near insulation shell, the top of the position of bottom surface, chamber, bottom side wall and left and right sides chamber wall enclose the fore-and-aft direction that forms and extend rectangular cavities, on insulation shell 1 rear end near the top of small size power contact spare installation cavity 3, wall place, chamber, bottom side is provided with respectively the installing port be used to the corresponding power interface contact of packing into, the left side of small size power contact spare installation cavity, be oppositely arranged along the fore-and-aft direction guiding on the right-side cavity wall about corresponding each installing port place, the alar part slot 35 that is used for the alar part of grafting power interface contact both sides, about the cross section perpendicular to its guide direction of two alar part slots 35 being oppositely arranged be two relative U-shapeds of opening, the rear end of each alar part slot 35 is open and communicate with corresponding installing port, the front end of each alar part slot 35 sealing and form backwards Thrust Faces 352, this Thrust Faces 352 cooperate with two location alar part 23 front position place positioning table terrace 26 thrusts that are among the corresponding power interface contact embodiment in use.Also be provided with the convex tendon 351 for the alar part that compresses the corresponding power contact chip on the cell wall of alar part slot 35.Small size power contact spare installation cavity 3 is provided with the interface that the public contact for intermateable connector inserts in the front end of insulation shell 1, and small size power contact spare installation cavity 3 middle parts are provided with the grafting passage 6 that extends back from interface.Be equipped with the location convex tendon 33 of elastic cantilever 31, fore-and-aft direction extension and the radiating groove 34 that fore-and-aft direction extends on the top of small size power contact spare installation cavity 3, chamber, the bottom side wall, described radiating groove 34 connects the front and back end of insulation shells 1; Described location convex tendon 33 is used for the support compression contact chip, and each elastic cantilever 31 one is connected in the middle part of chamber, place wall and extends to the rear end of insulation shell 1, and the end of each elastic cantilever 31 is provided with the barb 311 towards described grafting passage 6.Be provided with in the small size power contact spare installation cavity 3 near the front end place of insulator housings 1 and each installing port corresponding front beam 32 along the left and right directions extension that arranges one by one, the rear end of each front beam 32 is provided with the thrust convex surface 321 of the arc that cooperates for thrust concave surface 215 thrusts with corresponding power interface contact, the top of each front beam 32 and small size power contact spare installation cavity 3, also be provided with the jack 36 of the front end reeve of holding corresponding power interface contact between the wall of chamber, bottom side, jack 36 rear ends communicate with small size power contact spare installation cavity 3 and extend to forward the front end of insulation shell 1 and be provided with opening, the front end of corresponding power interface contact can be moved forward and backward in jack 36, and jack 36 also can play thermolysis.
In addition, the rear end that grafting passage 6 extends back connects to insulation shell 1 rear end and with described installing port and communicates, and forms the radiator structure that connects.
As shown in figure 12, during use, the front beam 32 that the front and back correspondence arranges in the small size power contact spare installation cavity 3 and barb 311 forward and backward position-limiting actions are on apical grafting contact 10, and end contact chip 11 is also spacing by corresponding front beam and barb.
Large size power contact spare installation cavity 6 in the insulation shell 1 is basic identical with the structure of small size power contact spare installation cavity 3, its difference is, wider on left and right directions, because corresponding with the more lock slots of large size power contact spare, be provided with side by side more elastic cantilever about in the large size power contact spare installation cavity 6.
The embodiment of above-mentioned rectangular electric connector is for installing simultaneously the electric connector of large, trumpet power contact spare and signal contacting piece, certainly in other embodiments of the invention, also a kind of power contact spare or the power contact spare more than three kinds can only be installed, also can the power contact only be arranged in addition and do not have signal contacting piece.

Claims (9)

1. rectangular electric connector, comprise the insulation shell of rectangle and the power contact spare of wherein installing, the insulation shell front end is inserted terminal, insulation shell has close when installing and reaches and circuit board installation site distance end face farthest towards the bottom surface of adapter circuit plate, the both sides of the length direction of insulation shell are the left and right sides, be provided with in the insulation shell that a plurality of length directions at insulation shell distribute, the power contact spare installation cavity that is used for assembling power contact spare, it is characterized in that: described power contact spare is by between the upper and lower every the top that arranges, end contact chip consists of, each contact chip includes the substrate of the shaped flat at middle part, each substrate has when being connected with the corresponding circuits plate surface towards the bottom surface of institute's connection circuit plate, with each substrate bottom surface towards direction be defined as downwards; Simultaneously the substrate of apical grafting contact also has towards relative inner surface with towards opposing outer surface with the substrate of end contact chip, with the inner surface of substrate towards direction be defined as inwardly, with the outer surface of substrate towards direction be defined as outwardly; The equal one of each substrate front end of described top, end contact chip be connected with plural extend forward about the front fingertip that distributes, described being between the same on-chip adjacent front fingertip left the space, the substrate rear end of described top, end contact chip all by the bending structure one be connected with to downward-extension, be used for being connected with circuit board plural about the pin of distribution, be between the same on-chip adjacent leads and leave the space, the space between described pin is in the substrate rear end and is provided with lock slots; The front fingertip of described top, end contact chip has the fin part that an end is connected with substrate, the other end tilts perk inwardly, fin part front end is connected with the bending part that bends outwards perk, the front end of bending part is connected with towards the oblique sheet part of the bending of outer incline perk, the trend of the oblique sheet part of described bending perk outwardly is less than the trend of bending part front end perk outwardly, thereby forms the thrust concave surface that caves inward between the inner surface of the inner surface that bends oblique sheet part and bending part; The front fingertip of contact chip of the described end and the front fingertip of described apical grafting contact are symmetrical structure up and down, and both fin part front interval arrange and form the gap of inserting for adaptive public contact; .Described power contact spare installation cavity is by pushing up near insulation shell, the top of basal surface position, chamber, bottom side wall and left and right sides chamber wall enclose the fore-and-aft direction that forms and extend rectangular cavities, on the insulation shell rear end near the top of power contact spare installation cavity, wall place, chamber, bottom side is provided with respectively be used to the described top of packing into, the installing port of end power interface contact, power contact spare installation cavity is provided with interface in the front end of insulation shell, power contact spare installation cavity middle part is provided with the grafting passage that extends back from interface, the top of power contact spare installation cavity, be equipped with elastic cantilever on the wall of chamber, bottom side, each elastic cantilever one is connected in the middle part of chamber, place wall and extends to the rear end of insulation shell, the end of each elastic cantilever is provided with towards described grafting passage, lock friction tight barb with the lock slots of described top/end power interface contact, be provided with in the power contact spare installation cavity near the front end place of insulator housings and each installing port corresponding front beam along the left and right directions extension that arranges one by one, the rear end of each front beam is provided with the thrust convex surface that the thrust concave surface thrust on the front fingertip with described top/end power interface contact cooperates.
2. rectangular electric connector according to claim 1, it is characterized in that: the arranged on left and right sides of each substrate of described top, end contact chip be respectively equipped with respect to the lateral surface of the outermost front fingertip on the left and right direction, pin and left, outstanding location alar part to the right, be in the positioning table terrace that forms on the front end face of substrate at alar part front position place, two location forward; Be oppositely arranged about corresponding each installing port place on the left and right side chamber wall of described power contact spare installation cavity along the alar part slot fore-and-aft direction guiding, that be used for the alar part of grafting power interface contact both sides, about the cross section perpendicular to its guide direction of two alar part slots being oppositely arranged be two relative U-shapeds of opening, the rear end of each alar part slot is open and communicate with corresponding installing port, the front end sealing of each alar part slot and form Thrust Faces, that cooperate with the positioning table terrace thrust of described location alar part backwards.
3. rectangular electric connector according to claim 2 is characterized in that: on the described left and right lateral surface that is in the substrate of respectively locating on the alar part respectively one convex with most advanced and sophisticated a plurality of hangnails backwards.
4. rectangular electric connector according to claim 2 is characterized in that: described location alar part front end also one is connected with forward location tongue piece that extend, that be shorter than front fingertip.
5. rectangular electric connector according to claim 1, it is characterized in that: the front end of each fin part of described top, end contact chip has tilted plate section, this tilted plate section tilts inwardly, but the trend that tilted plate section tilts inwardly is less than the trend that tilted plate section fin part before tilts inwardly.
6. rectangular electric connector according to claim 1, it is characterized in that: also be provided with the jack that the front end that holds corresponding power interface contact injects between the top of described each front beam and power contact spare installation cavity, chamber, the bottom side wall, the jack rear end communicates with power contact spare installation cavity and extends to forward the front end of insulation shell and be provided with opening.
7. rectangular electric connector according to claim 2 is characterized in that: also be provided with the convex tendon for the alar part that compresses the corresponding power contact chip on the cell wall of described alar part slot.
8. rectangular electric connector according to claim 1 is characterized in that: the top of described power contact spare installation cavity, chamber, bottom side wall are provided with that fore-and-aft direction extends, as to connect the front and back end of insulation shell radiating groove.
9. rectangular electric connector according to claim 1, it is characterized in that: the rear end that described grafting passage extends back connects to the insulation shell rear end and with described installing port and communicates, and forms the radiator structure that connects.
CN 201110047759 2011-02-28 2011-02-28 Rectangular electric connector with power contact piece Expired - Fee Related CN102185199B (en)

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