CN101997204B - Rectangular electric connector with attachment and pre-contact element thereof - Google Patents

Rectangular electric connector with attachment and pre-contact element thereof Download PDF

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Publication number
CN101997204B
CN101997204B CN 201010557410 CN201010557410A CN101997204B CN 101997204 B CN101997204 B CN 101997204B CN 201010557410 CN201010557410 CN 201010557410 CN 201010557410 A CN201010557410 A CN 201010557410A CN 101997204 B CN101997204 B CN 101997204B
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China
Prior art keywords
contact
electric connector
connector
connector shell
housing
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Expired - Fee Related
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CN 201010557410
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CN101997204A (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 201010557410 priority Critical patent/CN101997204B/en
Publication of CN101997204A publication Critical patent/CN101997204A/en
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Abstract

The invention discloses a rectangular electric connector with an attachment and a pre-contact element thereof. The top surface of the connector shell of the rectangular electric connector is provided with the attachment; and the attachment comprises a flaky attaching shell and the pre-contact element, the flaky attaching shell is buckled on the connector shell, and the pre-contact element is assembled between the attaching shell and the top surface of the connector shell. The top surface of the rectangular connector shell cooperates with the flaky attaching shell through a buckling structure, thereby conveniently realizing detachable fixed connection of the pre-contact element and the rectangular electric connector; and the added pre-contact element is utilized to classify the contact elements according to length, so that the rectangular electric connector has the function of hot plug.

Description

Rectangular electric connector and pre-contact thereof with additional device
Technical field
The present invention relates to electric connector.
Background technology
" hot plug " is warm swap, finger is in the situation that the System Backplane charging operation, extract or the intron system, and for a System Backplane of working, subsystem that does not power up is connected to the surge current that backboard produces will cause a very large interference to System Backplane, destroy the data message of propagating on System Backplane, also can make the backboard power supply instantaneous falling occur and cause resetting of system or other functional modules, and will cause the damage of components and parts on circuit board, this electric current also can permanently damage the pin of electric connector and the track of PCB.and the requirement of avoiding simultaneously System Backplane or subsystem to damage in order to satisfy hot plug, can realize by the precharge to the subsystem that do not power up, in electric connector field, the adopted connector contact length hierarchical approaches of the precharge of subsystem realizes, with a part of contact (as power supply, the ground contact) Design of length becomes will grow than the contact (as signal contacting piece) of another part, thereby when the electric connector that is connected with subsystem inserts, power supply, ground contact at first connect the adaptive electric connector that is connected with backboard the corresponding contact part and to subsystem precharge, and then connect other contact, guarantee that the contact of growing most can connect at first and last the disconnection.But more existing rectangular electric connectors, a kind of connector as disclosed in the patent documentation of China Patent Publication No. CN 201549627, because the structure of this class rectangular electric connector and size thereof have formed in the industry fixed mode, and the more difficult length classification that realizes contact by structural change, and can't realize hot plug.
Summary of the invention
The object of the present invention is to provide a kind of more convenient rectangular electric connector with additional device of realizing the classification of contact length, be provided for simultaneously the pre-contact of this rectangular electric connector.
The technical scheme of rectangular electric connector of the present invention is: a kind of rectangular electric connector with additional device, be provided with the connector shell of the rectangle of a plurality of contacts in comprising, the connector shell front end is the inserted terminal of pegging graft with intermateable connector, be equipped with additional device on the end face of described connector shell, additional device comprises the additional housing of the sheet that is buckled on connector shell and is assemblied in the pre-contact that adds between housing and connector shell end face; Described pre-contact comprises the tlat substrate of bar shaped and is integrally formed at the bending part of the rear and front end of tlat substrate, and the bending part of tlat substrate rear end is rear contact and to stand on tlat substrate the surface and turn edge after rear end face block described electric connector housing coordinates; The bending part of tlat substrate front end is front contact and to stand on tlat substrate the surface and turn edge before front end face block described electric connector housing coordinates, before described front contact leans out the electric connector housing front end forward and is in other interior all contacts of electric connector; Be respectively equipped with on the corresponding buckling surface of described additional housing and connector shell voussoir and with the guide groove of voussoir inserting, also be respectively equipped with on the corresponding buckling surface of additional housing and connector shell for the groove of the tlat substrate of the pre-contact of setting-in with for tlat substrate being pressed on the protuberance of groove.
The described surface of being located at additional housing for the protuberance that tlat substrate is pressed on groove also is provided with the heat radiation groove that lead to additional shell end corresponding with pre-contact on the additional surface of shell on one side of described protuberance position.
The front end of described additional housing convexes with the protection ear of scraper bowl shape, and the protection ear has the recess on the front contact that covers on pre-contact.
The cross section that described voussoir reaches corresponding with it guide groove is the trapezoidal of anti-avulsion cooperation.
Also be respectively equipped with on the corresponding buckling surface of described additional housing and connector shell with the elastic arm of barb and coordinate with barb guiding thrust on elastic arm be located at positioning step in corresponding location notch.
Described front contact is the curved front contacts that forward two of sweep above interval arranges, and turns edge before described and is located between adjacent front contact.
Has the contact that stretches out the connector shell rear end in described connector shell, the side direction that turns edge after described pre-contact on the rear end face of connector shell is extended, and the end that extends laterally of turning edge after described rear contact is connected in is to avoid the contact that stretches out backward in described connector shell.
The technical scheme of the pre-contact for rectangular electric connector of the present invention is: pre-contact comprises the tlat substrate of bar shaped and is integrally formed at the bending part of the rear and front end of tlat substrate, the bending part of tlat substrate rear end be rear contact and stand on the tlat substrate surface be used for coordinating with the rear end face block of adaptive electric connector housing after turn edge, the bending part of tlat substrate front end is front contact and stands on turning edge of tlat substrate surface before coordinating with the front end face block of adaptive electric connector housing.
Turn edge after described pre-contact and have the part of extending for side direction on the rear end face of adaptive connector shell, the end of the part that extends laterally that turns edge after described rear contact is connected in.
Described front contact is the curved front contacts that forward two of sweep above interval arranges, and turns edge before described and is located between adjacent front contact.
The invention has the beneficial effects as follows: the present invention coordinates with the additional housing of sheet by mutual buckle structure on the end face of rectangular connector housing, realized that easily the removable of pre-contact and rectangular electric connector is connected, realize the length classification of contact by the pre-contact that increases, make rectangular electric connector possess warm connection function.
Description of drawings
Fig. 1 is the blast structural representation of the connector of an embodiment of the present invention;
Fig. 2 is the structural representation under Fig. 1 assembled state;
Fig. 3 is the structural representation of the power contact spare of a kind of embodiment of the present invention;
Fig. 4 is the side schematic view of Fig. 3;
Fig. 5 is the E section enlarged drawing of Fig. 4;
Fig. 6 is pack into the structural representation of electric connector of the power contact spare in Fig. 3;
Fig. 7 is the exploded perspective view of electric connector housing of the present invention and additional device and contact;
Fig. 8 is the structural representation of the pre-contact in Fig. 7;
Fig. 9 is the end view of Fig. 8;
Figure 10 is the right view of Fig. 9;
Figure 11 is the left view of Fig. 9;
Figure 12 is the structural representation (being unkitted contact) after electric connector housing in Fig. 7 and additional device assembling are completed;
Figure 13 is the view of observing from connector rear end after in Fig. 7, assembling is completed;
Figure 14 is the upward view of Figure 12;
Figure 15 is the A-A cutaway view of Figure 13;
Figure 16 is the cross-sectional schematic (being unkitted contact) that the elastic arm with barb of electric connector housing and additional device assembles mutually.
Embodiment
As Fig. 1～shown in Figure 16, the embodiment of rectangular electric connector of the present invention, the connector shell 1 that comprises rectangle, the front end of connector shell 1 corresponding the contact of adaptive grafting, the circuit board that the rear end correspondence connects, the left and right side of connector shell is distributed in the both ends of the length direction of connector shell relatively, and the top of connector shell, bottom surface are distributed in the both ends on the thickness direction of connector shell relatively.The left and right sides of connector shell are provided with mounting ear 11, the ventilation guiding gutter 12 that extends before and after offering on the top of connector shell, bottom surface.
Offer a plurality of contact installation cavitys that extend forward on the rear end of connector shell 1, two of each contact installation cavitys are a pair of is distributed in relatively near in the connector housing that connects housing top, bottom surface, offer in the position that is located between paired contact installation cavity the grafting passage 6 that connects the connector shell front and back end in connector shell, grafting passage 6 inserts for the front end of adaptive contact from connector shell 1, and the two paired contact installation cavitys that grafting passage 6 is adjacent simultaneously communicate; Contact installation cavity on the length direction of connector shell 1 and passage 6 both sides of respectively pegging graft are provided with next door 7, and next door 7 comprises the next door that adjacent chamber, road are separated and is in the next door at connector shell 1 two ends, left and right.The middle part of 7 sides, next door one in the grafting passage 6 convexes with and separates muscle 71 two paired contact installation cavitys, that fore-and-aft direction extends.described each contact installation cavity comprises for a plurality of power contact spare installation cavitys 3 of installation power contact 2 and for the signal contacting piece installation cavity 5 that signal contacting piece 4 is installed, in the present embodiment, except the pair of contacts installation cavity in the middle of being positioned at is that power contact spare installation cavity 3 is made into externally mixed with signal contacting piece installation cavity 5, all the other be two power contact spare installation cavitys 3 be made into pure right, certainly, in other embodiments of the invention, power contact spare installation cavity, the signal contacting piece installation cavity and in the contact established can match as required and conversion arranges position, quantity, such as two signal contacting pieces be made into pure right, whole or a plurality of be arranged to mixed to etc.The structure that the signal contacting piece installation cavity of a plurality of signal contacting pieces 4 can be installed belongs to prior art, therefore mainly power contact spare installation cavity is described here.
each power contact spare installation cavity 3 is near the top/bottom surface of connector shell 1 and be integrally formed with the elastic cantilever 31 that extends to the rear end of connector shell 1 on the wall of the chamber of grafting passage, the end of elastic cantilever 31 is provided with barb 311 towards described grafting passage 6 in the rear end of connector shell 1, the front end place of the close connector shell 1 of power contact spare installation cavity 3 is provided with the front beam 32 that left and right directions extends, the medial surface towards power contact spare installation cavity 3 inside, place of front beam 32 is provided with the thrust convex surface 321 of the arc that coordinates for the leading section thrust with power contact spare 2.What convex with on the chamber wall at elastic cantilever 31 places of described power contact spare installation cavity 3 that fore-and-aft direction extends is used for and guiding rib 33 that rear fingertip 22 guiding of power contact spare 2 coordinate.Described next door 7 and muscle 71 thereof are at the left and right end formation of power contact spare installation cavity 3 U-shaped groove 34.
power contact spare 2 comprises the flat substrate 20 at middle part and distinguishes forward from substrate 20, backward one extend to arrange before, rear fingertip 21, 22, also extend forward two cantilevers 23 that are provided with the both sides that are positioned at front fingertip 21 on substrate 20, cantilever 23 flushes and is shorter than front fingertip 21 with substrate 20, the lateral surface of cantilever 23 is provided with most advanced and sophisticated a plurality of hangnails 231 backwards, described cantilever 23 guiding insertings are in the U-shaped groove 34 at power contact spare installation cavity 3 both ends, left and right, be used for the left and right directions at connector shell 1 to power contact spare 2, bottom surface, top relative direction fixes, the resistance that is drawn out with increase in the corresponding cell wall of U-shaped groove 34 can be thrust in the tip of hangnail 231 when power contact spare 2 is stressed backward.described front fingertip 21 has a plurality of, each front fingertip 21 and column distribution also leave the space between adjacent front fingertip, each front fingertip 21 has an end and is connected with substrate 20, the fin part 211 of the oblique perk of the other end on substrate 20 surfaces, the front end of fin part 211 has tilted plate section 214, this tilted plate section 214 to tilting away from plane, the surperficial place of substrate 20 but inclined degree less than the fin part 211 before tilted plate section 214, be the fin part 211 of tilted plate section 214 before being less than tilted plate section 214 away from the slope trend on the direction on plane, the surperficial place of substrate 20 away from the slope trend on the direction on plane, the surperficial place of substrate 20, be shown as in the drawings between fin part 211 and the tilted plate section 214 before tilted plate section 214 and have to the included angle B of substrate 20 close trend, the surface of tilted plate section 214 contacts with adaptive contact at power contact spare 2 and can form during pressurized and is 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 of arc, the front end of bending part 212 tilts to the direction near plane, the surperficial place of substrate 20, the front end of bending part 212 be connected with to tilt near substrate surface place plane but inclined degree less than the oblique sheet part 213 of the bending of bending part 212 front ends, bend and form the arc thrust concave surface that coordinates with the identical block of thrust convex surface 321 of the arc of described front beam 32 between oblique sheet part 213 and bending part, bend the contact area that oblique sheet part 213 is conducive to increase the front beam 32 in bending part 212 and adaptive power contact spare installation cavity 3, and the inefficacy of avoiding power contact spare 2 to coordinate with front beam 32 thrusts.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 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.Described rear fingertip 22 has a plurality of, each rear fingertip 22 and column distribution also leave the space between adjacent rear fingertip, each rear fingertip 22 far-end backward extends and raises into circular arc projection 222 to top, plane, the surperficial place of substrate 20, and the rear and front end of circular arc projection 222 one respectively is connected with to substrate 20 planes, place inclinations close finger taper 223 and finger root 221.Described being provided with two places in substrate 20 rear end faces and being used for barb 311 friction tight grooves 224 of lock with corresponding power contact spare installation cavity 3 of gap between fingertip 22 after each.Each power contact spare 2 interacts and is fixed at fore-and-aft direction by the front beam 32 in the power contact spare installation cavity 3 at place and barb 311.Signal contacting piece 4 comprise the middle part base portion and from base portion forward, the crooked reed that extend to arrange of one backward.
Additional device is assemblied on the end face of connector shell 1, additional device comprises the additional housing 8 of the sheet that is buckled on connector shell 1 and is assemblied in pre-contact 9 between additional housing 8 and connector shell 1 end face, the front end of pre-contact 9 lean out forward electric connector housing 1 front end and be in other interior all contacts of electric connector before.The corresponding buckling surface that has respectively mutual corresponding matching on described additional housing 8 bottom surfaces and connector shell 1 end face.The corresponding buckling surface that described additional housing 8 and connector shell 1 coordinates is provided with the voussoir 81 of strip, connector shell 1 is provided with the corresponding buckling surface that additional housing 8 coordinates the guide groove 10 that is clasped with voussoir 81, as shown in figure 12, what the cross section of voussoir 81 was root less than the termination is trapezoidal, the cross section of guide groove 10 is large trapezoidal of young tripe, two ends on the length direction of described voussoir 81 are pre-large post-small, thereby are convenient to insert guide groove 10 and fastening after inserting fully from front end.The corresponding buckling surface that described additional housing 8 and connector shell 1 coordinates is provided with the end that extends back with the elastic arm 82 of barb, connector shell 1 is provided with the corresponding buckling surface that additional housing 8 coordinates the elastic arm guide groove 15 that inserts for elastic arm 82 guiding, be provided with in elastic arm guide groove 15 with elastic arm 82 on the barb thrust coordinate positioning step 14.Also be respectively equipped with the groove 13 of the corresponding tlat substrate 90 that is used for the pre-contact 9 of setting-in on the corresponding buckling surface of additional housing 8 and connector shell 1 and for tlat substrate 90 being pressed on the muscle 84 of groove 13, muscle 84 positions also are provided with the heat radiation groove 841 that lead to additional housing 8 rear ends corresponding with pre-contact 9 on additional housing 8 surfaces on one side, in other embodiments of the invention, muscle 84 also can be replaced by protuberance block, the floating-point shape.The front end of additional housing 8 convexes with the protection ear 83 of the scraper bowl shape corresponding with described muscle 84 positions, and protection ear 83 has the recess 831 on the part that leans out connector shell 1 that covers on pre-contact 9, and the basal part of the ear place of protection ear 83 is provided with thrust step 832 backwards.
comprised the embodiment of pre-contact of the present invention in the embodiment of rectangular electric connector of the present invention, pre-contact 9 comprises the tlat substrate 90 of bar shaped and is integrally formed at the bending part of the rear and front end of tlat substrate 90, the bending part of tlat substrate end after 90s be stand on tlat substrate 90 surface that go up and extend laterally coordinate with rear end face block described electric connector housing 1 after turn edge 91, after turn edge 91 end be integrally formed with the rear contact 92 that is connected with circuit board to the rear bending of pre-contact 9 and being used for of extending backwards, certainly in other embodiment of pre-contact 9 of the present invention, in the situation that can not interfere with the rear fingertip of power contact spare 2, after turn edge and 91 also can be extend to the side and contact 92 after directly connecting, then contact 92 can be also that commonly used being used for such as oblique chip architecture or curved tabs structure contacts with circuit board or the contact plate structure of wiring, rear contact 92 also can with after turn edge and be arranged in 91 minutes.the bending part of tlat substrate 90 front ends is curved front contacts 93 of sweep two intervals settings forward, tlat substrate 90 front ends also be provided be between two front contacts 93 coordinate with the front end face block of described electric connector housing 1 before turn edge 94, before turn edge 94 with described after turn edge and 91 be oppositely arranged, front contact in other embodiments of the invention also can arrange more than one or three, before turn edge and can be arranged between plural front contact, also can be arranged at front contact inner, perhaps with an independent adjacent setting of front contact, and commonly used being used for that can be also oblique chip architecture or curved tabs structure etc. of front contact 93 contacts with circuit board or the contact plate structure of wiring.described pre-contact 9 is when packing between additional housing 8 and connector shell 1, its tlat substrate 90 is packed in the pre-contact groove 13 of connector shell 1 and is fixed in side direction, and compressed by the muscle 84 of additional housing 8, crooked reed 93 is in the recess 831 of protection ear 83, as Figure 13, shown in 15, after turn edge and 91 coordinate with connector shell 1 rear end face block and side direction horizontal extends and make rear contact 92 get out of the way the rear fingertip of the power contact spare 2 that stretches out from electric connector inside, and make rear contact 92 arrange side by side and be convenient to coordinate with the adapter circuit plate with power contact spare 2 left and right.Before turn edge 94 coordinate with connector shell 1 front end face block and with after turn edge 91 jointly that pre-contact 9 is fixing on fore-and-aft direction.

Claims (10)

1. rectangular electric connector with additional device, be provided with the connector shell of the rectangle of a plurality of contacts in comprising, the connector shell front end is the inserted terminal of pegging graft with intermateable connector, it is characterized in that: be equipped with additional device on the end face of described connector shell, additional device comprises the additional housing of the sheet that is buckled on connector shell and is assemblied in the pre-contact that adds between housing and connector shell end face; Described pre-contact comprises the tlat substrate of bar shaped and is integrally formed at the bending part of the rear and front end of tlat substrate, and the bending part of tlat substrate rear end is rear contact and to stand on tlat substrate the surface and turn edge after rear end face block described electric connector housing coordinates; The bending part of tlat substrate front end is front contact and to stand on tlat substrate the surface and turn edge before front end face block described electric connector housing coordinates, before described front contact leans out the electric connector housing front end forward and is in other interior all contacts of electric connector; Be respectively equipped with on the corresponding buckling surface of described additional housing and connector shell voussoir and with the guide groove of voussoir inserting, also be respectively equipped with on the corresponding buckling surface of additional housing and connector shell for the groove of the tlat substrate of the pre-contact of setting-in with for tlat substrate being pressed on the protuberance of groove.
2. electric connector according to claim 1, it is characterized in that: the described surface of being located at additional housing for the protuberance that tlat substrate is pressed on groove also is provided with the heat radiation groove that lead to additional shell end corresponding with pre-contact on the additional surface of shell on one side of described protuberance position.
3. electric connector according to claim 1, it is characterized in that: the front end of described additional housing convexes with the protection ear of scraper bowl shape, and the protection ear has the recess on the front contact that covers on pre-contact.
4. rectangular electric connector according to claim 1 is characterized in that: described voussoir and with it the cross section of corresponding guide groove be anti-avulsion coordinate trapezoidal.
5. rectangular electric connector according to claim 1 is characterized in that: also be respectively equipped with on the corresponding buckling surface of described additional housing and connector shell with the elastic arm of barb and coordinate with barb guiding thrust on elastic arm be located at positioning step in corresponding location notch.
6. rectangular electric connector according to claim 1 is characterized in that: described front contact is sweep two curved front contacts that above interval arranges forward, turns edge before described and is located between adjacent front contact.
7. rectangular electric connector according to claim 1, it is characterized in that: have the contact that stretches out the connector shell rear end in described connector shell, the side direction that turns edge after described pre-contact on the rear end face of connector shell is extended, and the end that extends laterally of turning edge after described rear contact is connected in is to avoid the contact that stretches out backward in described connector shell.
8. pre-contact that is used on rectangular electric connector, it is characterized in that: described pre-contact comprises the tlat substrate of bar shaped and is integrally formed at the bending part of the rear and front end of tlat substrate, the bending part of tlat substrate rear end be rear contact and stand on the tlat substrate surface be used for coordinating with the rear end face block of adaptive electric connector housing after turn edge, the bending part of tlat substrate front end is front contact and stands on turning edge of tlat substrate surface before coordinating with the front end face block of adaptive electric connector housing; Described pre-contact is when packing between adaptive additional housing and adaptive connector shell, described tlat substrate is packed in the pre-contact groove of intermateable connector housing and is fixed in side direction, and the muscle of the additional housing that is adapted compresses, turn edge before described coordinates with intermateable connector housing front end face block and with after turn edge and jointly pre-contact fixed on fore-and-aft direction.
9. pre-contact according to claim 8 is characterized in that: turning edge after described pre-contact has the part of extending for side direction on the rear end face of adaptive connector shell, the end of the part that extends laterally that turns edge after described rear contact is connected in.
10. pre-contact according to claim 8 is characterized in that: described front contact is sweep two curved front contacts that above interval arranges forward, turns edge before described and is located between adjacent front contact.
CN 201010557410 2010-11-24 2010-11-24 Rectangular electric connector with attachment and pre-contact element thereof Expired - Fee Related CN101997204B (en)

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Application Number Priority Date Filing Date Title
CN 201010557410 CN101997204B (en) 2010-11-24 2010-11-24 Rectangular electric connector with attachment and pre-contact element thereof

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CN101997204B true CN101997204B (en) 2013-06-19

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103001044B (en) * 2011-09-09 2015-05-20 凡甲电子(苏州)有限公司 Electric connector
CN104505625B (en) * 2014-12-18 2016-09-21 中航光电科技股份有限公司 A kind of electric connector
CN108023209B (en) * 2017-11-10 2019-05-21 中航光电科技股份有限公司 A kind of rectangle attachment that can reliably shield solidus
CN108286677A (en) * 2017-12-29 2018-07-17 浙江捷莱照明有限公司 A kind of lamps and lanterns quickly assembled

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Publication number Priority date Publication date Assignee Title
CN201112860Y (en) * 2007-09-01 2008-09-10 贵州航天电器股份有限公司 Novel dustproof rectangular twist needle connector
CN201549627U (en) * 2009-09-04 2010-08-11 吕永锋 Electric connector of mixed-installing signal current contact members
CN201904459U (en) * 2010-11-24 2011-07-20 中航光电科技股份有限公司 Rectangular electric connector with additional components and pre-contactors thereof

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Publication number Priority date Publication date Assignee Title
CN200990469Y (en) * 2006-09-30 2007-12-12 番禺得意精密电子工业有限公司 Electric connector

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Publication number Priority date Publication date Assignee Title
CN201112860Y (en) * 2007-09-01 2008-09-10 贵州航天电器股份有限公司 Novel dustproof rectangular twist needle connector
CN201549627U (en) * 2009-09-04 2010-08-11 吕永锋 Electric connector of mixed-installing signal current contact members
CN201904459U (en) * 2010-11-24 2011-07-20 中航光电科技股份有限公司 Rectangular electric connector with additional components and pre-contactors thereof

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