CN106961035B - Rectangular electric connector - Google Patents

Rectangular electric connector Download PDF

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Publication number
CN106961035B
CN106961035B CN201710224264.9A CN201710224264A CN106961035B CN 106961035 B CN106961035 B CN 106961035B CN 201710224264 A CN201710224264 A CN 201710224264A CN 106961035 B CN106961035 B CN 106961035B
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China
Prior art keywords
jack
insulator
pin
plug
contact pin
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Application number
CN201710224264.9A
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Chinese (zh)
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CN106961035A (en
Inventor
刘晨
张营
孙艳冬
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AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
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AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
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Application filed by AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd filed Critical AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority to CN201710224264.9A priority Critical patent/CN106961035B/en
Publication of CN106961035A publication Critical patent/CN106961035A/en
Application granted granted Critical
Publication of CN106961035B publication Critical patent/CN106961035B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only

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  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A rectangular electric connector is composed of a plug and a socket which are mutually matched and installed for use; the plug is composed as follows: a pin insulator (4) and a pin (5); the contact pin (5) is matched and fixed with the contact pin insulator (4) through barb interference fit; the socket is constructed as follows: the jack insulator (1), the positioning plate (2) and the jack (3); the jack insulator (1) is provided with a jack (3), and the side surface of the jack insulator (1), extending out of the jack insulator (1), of the jack (3) is provided with a positioning plate (2). The invention provides a rectangular electric connector design scheme with excellent technical effect, which can well achieve the technical purpose of preventing the electric connector from being inserted mistakenly, obviously improve the connection reliability and reduce the insertion operation difficulty. The method has expectable great economic value and social value.

Description

Rectangular electric connector
Technical Field
The invention relates to the technical field of structural design and application of an electric connector, and particularly provides a rectangular electric connector.
Background
The rectangular electric connector has a certain direction, is easy to be inserted in a wrong way in practical application, and the connection strength and the reliability after insertion are required to be improved. It is highly desirable to obtain a rectangular electrical connector with excellent technical effects.
Disclosure of Invention
The invention aims to provide a rectangular electric connector which has excellent technical effect, can prevent misplugging and is more reliable in connection.
The invention provides a rectangular electric connector, which consists of a plug and a socket which are matched with each other for installation and use; the method is characterized in that: the plug is composed as follows: pin insulator 4 and pin 5; wherein: the pin insulator 4 is a block-shaped mounting base; the contact pin 5 is fixed with the contact pin insulator 4 in an interference fit manner through an agnail; a part of the pin 5 is arranged in the pin insulator 4, and the other part of the pin 5 protrudes out of the pin insulator 4;
the socket is constructed as follows: the jack insulator 1, the positioning plate 2 and the jack 3; wherein: the jack insulator 1 is a block-shaped mounting base body on which the jack 3 is arranged, a part of the jack 3 is arranged in the jack insulator 1, and the other part of the jack 3 protrudes outside the jack insulator 1; a positioning plate 2 is arranged on the side surface of the jack insulator 1, extending out of the jack insulator 1, of the jack 3;
the jack insulator 1 is also provided with a partition plate 7 and a guide groove 8, the partition plate 7 divides the jack insulator 1 into square hole-shaped units which are arranged in rows, and each square hole-shaped unit is provided with one jack 3;
the socket 3 is replaced by a socket contact 9, the socket contact 9 being configured as follows: a plug terminal 91 and a tail outlet terminal 92; wherein: the plug end 91 and the tail outlet end 92 are integrated; the inserting end 91 is a symmetrical integrated double-spring-piece structure, and the inner side surfaces of the contact areas of the two spring pieces are provided with protrusions 93; the tail outlet terminal 92 is of a printed board dip soldering structure;
the guide groove 8 is disposed on the jack insulator 1 on the side away from the tail outlet terminal 92, which communicates the outside with the mating terminal 91; the guide groove 8 and the joint part of the two spring leaf structures of the inserting and matching end 91 of the symmetrical integrated double-spring-piece structure are correspondingly arranged along a straight line, so that the contact pin 5 is inserted between the two spring leaves of the inserting and matching end of the double-spring-piece structure, a good clamping structure formed by the contact pin 5 and the bulge 93 can be ensured, the contact pin 5 and the bulge 93 are tightly combined, the feasibility of plastic compression molding is ensured, and the reliability of butt joint is ensured;
the pin insulator 4 or/and the jack insulator 1 are/is provided with a step to realize the function of preventing misplugging;
bulges are additionally arranged on two sides in the hole cavity of the jack insulator 9 and used for controlling the opening size of the jack, ensuring the consistency of the insertion and extraction force of products and reducing the overlarge insertion and extraction force caused by the inconsistent opening sizes of the jacks;
the jack contact body 9 adopts a variable-thickness structure; the inserting end 91 is thinner so as to ensure the inserting and pulling force and the mechanical life of the product; the thickness of the tail outlet end 92 is larger than that of the plug end 91 so as to ensure the mechanical strength of the outlet end and longer lead pins; an inwardly extending protrusion 81 is further arranged inside the guide groove 8;
the jack insulator 1 and the pin insulator 4 are correspondingly arranged in groups, and the jack insulator 1 and the pin insulator 4 are provided with misplug prevention step steps 41; the misplug prevention step 41 can ensure that the jack insulators 1 and the pin insulators 4 of different groups cannot be smoothly matched and inserted, and the misplug prevention function is effectively realized.
The bulges 12 arranged on the inner side surfaces of the two spring pieces of the inserting end 91 are hemispherical bulges, and the radius of the sphere is 1.5-3.2mm; the thickness of the mating end 91 is 40-75% of the thickness of the tail outlet end 92.
The invention provides a rectangular electric connector design scheme with excellent technical effect, which can well achieve the technical purpose of preventing the electric connector from being inserted mistakenly, obviously improve the connection reliability and reduce the insertion operation difficulty. The method has expectable huge economic value and social value.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic and diagrammatic front view of a receptacle structure of the rectangular electrical connector of embodiment 1;
FIG. 2 is a schematic, diagrammatic bottom view of a socket configuration;
FIG. 3 is a schematic left side view of the socket structure;
FIG. 4 isbase:Sub>A sectional view A-A corresponding to FIG. 2;
FIG. 5 is the same view as that of FIG. 4 in accordance with embodiment 2;
FIG. 6 is a schematic front view of the plug structure;
FIG. 7 is a schematic, diagrammatic, bottom view of the plug structure;
FIG. 8 is a schematic, diagrammatic top view of a plug construction;
FIG. 9 is a schematic left side view of the plug structure;
FIG. 10 is a schematic, diagrammatic front view of a header structure of the rectangular electrical connector of example 2;
FIG. 11 isbase:Sub>A cross-sectional view A-A of FIG. 10;
FIG. 12 is a sectional view taken along line B-B of FIG. 11;
FIG. 13 is a schematic rear view of a plug structure of the rectangular electrical connector according to example 2;
FIG. 14 is a schematic, diagrammatic, perspective view of an embodiment of a jack insulator 9 construction;
FIG. 15 is a schematic front view of the insulator 9;
fig. 16 is a rear view corresponding to the front view of fig. 15.
Detailed Description
Example 1
The invention provides a rectangular electric connector, which consists of a plug and a socket which are matched with each other for installation and use; the method is characterized in that: the plug is composed as follows: pin insulator 4 and pin 5; wherein: the pin insulator 4 is a block-shaped mounting base; the contact pin 5 is fixed with the contact pin insulator 4 in an interference fit manner through a barb; a part of the pin 5 is arranged in the pin insulator 4, and the other part of the pin 5 protrudes out of the pin insulator 4;
the socket is constructed as follows: the jack insulator 1, the positioning plate 2 and the jack 3; wherein: the jack insulator 1 is a block-shaped mounting base body on which the jack 3 is arranged, a part of the jack 3 is arranged in the jack insulator 1, and the other part of the jack 3 protrudes outside the jack insulator 1; a positioning plate 2 is arranged on the side surface of the jack insulator 1, extending out of the jack insulator 1, of the jack 3;
the jack insulator 1 is also provided with a partition plate 7 and a guide groove 8, the partition plate 7 divides the jack insulator 1 into square hole-shaped units which are arranged in rows, and each square hole-shaped unit is provided with one jack 3;
the socket 3 is replaced by a socket contact 9, the socket contact 9 being configured as follows: a plug terminal 91 and a tail outlet terminal 92; wherein: the plug end 91 and the tail outlet end 92 are integrated; the inserting end 91 is a symmetrical integrated double-spring-piece structure, and the inner side surfaces of the contact areas of the two spring pieces are provided with protrusions 93; the tail outlet terminal 92 is of a printed board dip soldering structure;
the guide groove 8 is disposed on the side of the jack insulator 1 remote from the tail outlet terminal 92, which communicates the outside with the mating terminal 91; the guide groove 8 and the joint part of the two spring leaf structures of the inserting and matching end 91 of the symmetrical integrated double-spring-leaf structure are correspondingly arranged along a straight line, so that the contact pin 5 is inserted between the two spring leaves of the inserting and matching end of the double-spring-leaf structure, and a good clamping structure formed by the contact pin 5 and the bulge 93 can be ensured, so that the contact pin 5 and the bulge 93 are tightly combined, the feasibility of plastic compression molding is ensured, and the reliability of butt joint is ensured;
the pin insulator 4 or/and the jack insulator 1 is/are provided with a step to realize the function of preventing misplugging;
bulges are additionally arranged on two sides in the hole cavity of the jack insulator 9 and used for controlling the opening size of the jack, ensuring the consistency of the insertion and extraction force of products and reducing the overlarge insertion and extraction force caused by the inconsistent opening size of the jack;
the jack contact body 9 adopts a variable thickness structure; the inserting end 91 is thinner so as to ensure the inserting and pulling force and the mechanical life of the product; the thickness of the tail outlet end 92 is larger than that of the plug end 91 so as to ensure the mechanical strength of the outlet end and longer lead pins; an inwardly extending protrusion 81 is further arranged inside the guide groove 8;
the jack insulators 1 and the pin insulators 4 are correspondingly arranged in groups, and the jack insulators 1 and the pin insulators 4 are provided with anti-misplugging stepped steps 41; the misplug prevention stepped step 41 can prevent the jack insulators 1 and the pin insulators 4 of different groups from being inserted in a matching mode smoothly, and the misplug prevention function is effectively achieved.
The bulges 12 arranged on the inner side surfaces of the two spring pieces of the inserting end 91 are hemispherical bulges, and the radius of the sphere is 1.5-3.2mm; the plug end 91 has a thickness 40-75% of the thickness of the tail outlet end 92.
The embodiment provides a design scheme of a rectangular electric connector with excellent technical effect, which can well achieve the technical purpose of preventing the electric connector from being inserted mistakenly, the reliability of connection is obviously improved, and the difficulty of insertion operation is reduced. The method has expectable huge economic value and social value.
Example 2
In this embodiment, the structural features described in fig. 4 are replaced with the structural features described in fig. 5 on the basis of embodiment 1.
The jack insulator 1 is also provided with a partition plate 7 and a guide groove 8, the partition plate 7 divides the jack insulator 1 into square hole-shaped units arranged in rows, and each square hole-shaped unit is provided with a jack contact body 9; the guide groove 8 is disposed on the side of the jack insulator 1 remote from the tail outlet terminal 92, which communicates the outside with the mating terminal 91; and the guide groove 8 and the joint part of the two spring leaf structures of the inserting and matching end 91 of the symmetrical integrated double-spring-piece structure are correspondingly arranged along a straight line, so that the contact pin 5 is inserted between the two spring leaves of the inserting and matching end of the double-spring-piece structure, and the contact pin 5 and the bulge 93 can be ensured to form a good clamping structure to ensure tight combination, the feasibility of plastic compression molding is ensured, and the reliability of butt joint is also ensured. The design of guide way 8 has satisfied the guide direction function when electric connector inserts each other, also is convenient for simultaneously produce and process, has reduced the design degree of difficulty of mould.
Example 3
A rectangular electrical connector, see fig. 1-4, 10-16; the plug and the socket are mutually matched and installed for use; wherein: the plug is composed as follows: pin insulator 4 and pin 5; wherein: the pin insulator 4 is a block-shaped mounting base; the contact pin 5 is matched and fixed with the contact pin insulator 4 through barb interference fit; a part of the pin 5 is arranged in the pin insulator 4, and the other part of the pin 5 protrudes out of the pin insulator 4;
the socket is constructed as follows: the jack insulator 1, the positioning plate 2 and the jack 3; wherein: the jack insulator 1 is a block-shaped mounting base body on which the jack 3 is arranged, a part of the jack 3 is arranged in the jack insulator 1, and the other part of the jack 3 protrudes outside the jack insulator 1; a positioning plate 2 is arranged on the side surface of the jack insulator 1, extending out of the jack insulator 1, of the jack 3;
the jack insulator 1 is also provided with a partition plate 7 and a guide groove 8, the partition plate 7 divides the jack insulator 1 into square hole-shaped units which are arranged in rows, and each square hole-shaped unit is internally provided with a jack contact body 9;
the socket contact 9 is constituted as follows: a plug terminal 91 and a tail outlet terminal 92; wherein: the plug terminal 91 and the tail outlet terminal 92 are integrated; the inserting end 91 is a symmetrical integrated double-spring-piece structure, and the inner side surfaces of the contact areas of the two spring pieces are provided with protrusions 93; the tail outlet terminal 92 is of a printed board dip soldering structure;
the guide groove 8 is disposed on the jack insulator 1 on the side away from the tail outlet terminal 92, which communicates the outside with the mating terminal 91; and the guide groove 8 and the joint part of the two spring leaf structures of the inserting and matching end 91 of the symmetrical integrated double-spring-piece structure are correspondingly arranged along a straight line, so that the contact pin 5 is inserted between the two spring leaves of the inserting and matching end of the double-spring-piece structure, and the contact pin 5 and the bulge 93 can be ensured to form a good clamping structure to ensure tight combination, the feasibility of plastic compression molding is ensured, and the reliability of butt joint is also ensured. The design of the guide groove 8 meets the guide function when the electric connectors are mutually inserted, is more convenient to produce and process, and reduces the design difficulty of the die.
The butt joint of the plug and the socket adopts a double-sided cantilever beam-shaped contact form, so that the reliability of the butt joint is ensured; a step is arranged on the pin insulator 4 or/and the jack contact 9 to realize the function of preventing misplugging; bulges are additionally arranged on two sides in the hole cavity of the jack insulator 9 and used for controlling the opening size of the jack, ensuring the consistency of the insertion and extraction force of products and reducing the overlarge insertion and extraction force caused by the inconsistent opening sizes of the jacks.
The jack contact body 9 adopts a variable-thickness structure; the inserting end 91 is thinner so as to ensure the inserting and pulling force and the mechanical life of the product; the thickness of the tail outlet end 92 is larger than that of the plug end 91 so as to ensure the mechanical strength of the outlet end and longer guide pins; an inwardly extending protrusion 81 is further provided inside the guide groove 8.
The rectangular electric connector is characterized in that: the bulges 12 arranged on the inner side surfaces of the two spring pieces of the inserting end 91 are hemispherical bulges, and the radius of the sphere is 1.5-3.2mm; the thickness of the plug-in terminal 1 is 40-75% of that of the tail outlet terminal 2;
the jack insulator 1 and the pin insulator 4 are correspondingly arranged in groups, and the jack insulator 1 and the pin insulator 4 are provided with misplug prevention step steps 41; the misplug prevention stepped step 41 can prevent the jack insulators 1 and the pin insulators 4 of different groups from being inserted in a matching mode smoothly, and the misplug prevention function is effectively achieved.
The embodiment provides a design scheme of a rectangular electric connector with excellent technical effect, which can well achieve the technical purpose of preventing the electric connector from being inserted mistakenly, the reliability of connection is obviously improved, and the difficulty of insertion operation is reduced. The method has expectable great economic value and social value.

Claims (2)

1. A rectangular electric connector is composed of a plug and a socket which are mutually matched and installed for use; the method is characterized in that: the plug is composed as follows: a pin insulator (4) and a pin (5); wherein: the pin insulator (4) is a block-shaped mounting base body; the contact pin (5) is fixed with the contact pin insulator (4) in an interference fit manner through an agnail; the part of the contact pin (5) is arranged in the contact pin insulator (4), and the other part of the contact pin (5) extends out of the contact pin insulator (4);
the socket is constructed as follows: the jack insulator (1), the positioning plate (2) and the jack (3); wherein: the jack insulator (1) is a block-shaped mounting base body, jacks (3) are arranged on the jack insulator (1), parts of the jacks (3) are arranged in the jack insulator (1), and the other parts of the jacks (3) extend out of the jack insulator (1); a positioning plate (2) is arranged on the side surface of the jack insulator (1) of the jack (3) extending out of the jack insulator (1);
the jack insulator (1) is also provided with a partition plate (7) and a guide groove (8), the partition plate (7) divides the jack insulator (1) into square hole-shaped units which are arranged in rows, and each square hole-shaped unit is internally provided with a jack (3);
the socket (3) is replaced by a socket contact body (9), and the socket contact body (9) is formed as follows: a plug terminal (91) and a tail outlet terminal (92); wherein: the plug-in terminal (91) and the tail outlet terminal (92) are integrated; the inserting end (91) is of a symmetrical integrated double-spring-piece structure, and the inner side surfaces of the contact areas of the two spring pieces are provided with protrusions (93); the tail outlet end (92) is of a printed board dip soldering structure;
the guide groove (8) is arranged on one side of the jack insulator (1) far away from the tail leading-out end (92) and is communicated with the outside and the plug-in end (91); the guide groove (8) and the joint part of the two spring leaf structures of the inserting and matching end (91) of the symmetrical integrated double-spring-leaf structure are correspondingly arranged along a straight line, so that the contact pin (5) is inserted between the two spring leaves of the inserting and matching end of the double-spring-leaf structure, and a good clamping structure formed by the contact pin (5) and the bulge (93) can be ensured, so that the contact pin (5) and the bulge (93) are tightly combined, the feasibility of plastic compression molding is ensured, and the reliability of butt joint is ensured;
a step is arranged on the pin insulator (4) or/and the jack insulator (1) to realize the function of preventing misplugging;
bulges are additionally arranged on two sides in the hole cavity of the jack insulator (1) and are used for controlling the opening size of the jack, ensuring the consistency of the insertion and extraction force of products and reducing overlarge insertion and extraction force caused by inconsistent opening sizes of the jacks;
the jack contact body (9) adopts a variable thickness structure; the plug end (91) is thinner so as to ensure the plug force and the mechanical life of the product; the thickness of the tail outlet end (92) is greater than that of the plug-in end (91) so as to ensure the mechanical strength and longer guide pins of the outlet end; a protrusion (81) extending inwards is further arranged in the guide groove 8;
the jack insulators (1) and the pin insulators (4) are correspondingly arranged in groups, and the jack insulators (1) and the pin insulators (4) are provided with anti-misplug stepped steps (41); the anti-misplug stepped step (41) can ensure that different groups of jack insulators (1) and pin insulators (4) cannot be smoothly matched and inserted, and effectively realizes the anti-misplug function.
2. The rectangular electrical connector of claim 1, wherein: the bulges (93) arranged on the inner side surfaces of the two spring pieces of the insertion end (91) are hemispherical bulges, and the radius of the sphere is 1.5-3.2mm; the thickness of the plug-in terminal (91) is 40-75% of the thickness of the tail outlet terminal (92).
CN201710224264.9A 2017-04-07 2017-04-07 Rectangular electric connector Active CN106961035B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710224264.9A CN106961035B (en) 2017-04-07 2017-04-07 Rectangular electric connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710224264.9A CN106961035B (en) 2017-04-07 2017-04-07 Rectangular electric connector

Publications (2)

Publication Number Publication Date
CN106961035A CN106961035A (en) 2017-07-18
CN106961035B true CN106961035B (en) 2023-03-10

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5135015B2 (en) * 2008-03-21 2013-01-30 第一電子工業株式会社 Electrical connector
CN103227372A (en) * 2013-03-15 2013-07-31 沈阳兴华航空电器有限责任公司 Printed circuit board press-in connection-type rectangular connector
CN203326244U (en) * 2013-06-28 2013-12-04 沈阳兴华航空电器有限责任公司 Printed board surface mounting welding modular electronic connector
CN204315751U (en) * 2014-12-05 2015-05-06 沈阳兴华航空电器有限责任公司 A kind of rectangle multi-tap
CN105244710B (en) * 2015-10-23 2017-07-28 沈阳兴华航空电器有限责任公司 A kind of backwards-compatible connector of multicore
CN205452624U (en) * 2016-01-08 2016-08-10 沈阳兴华航空电器有限责任公司 Rectangular electric connector plug
CN206022697U (en) * 2016-08-30 2017-03-15 沈阳兴华航空电器有限责任公司 A kind of new jack contact
CN207409693U (en) * 2017-04-07 2018-05-25 沈阳兴华航空电器有限责任公司 A kind of rectangular electric connector

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