CN109217043B - Pin-shaped plug with shielding function - Google Patents

Pin-shaped plug with shielding function Download PDF

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Publication number
CN109217043B
CN109217043B CN201810988100.8A CN201810988100A CN109217043B CN 109217043 B CN109217043 B CN 109217043B CN 201810988100 A CN201810988100 A CN 201810988100A CN 109217043 B CN109217043 B CN 109217043B
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China
Prior art keywords
shielding
plug
cable
welding cup
pin
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CN201810988100.8A
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Chinese (zh)
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CN109217043A (en
Inventor
范慧佳
王德辉
彭克侠
贾鲁宁
赵荣利
符浩
何海彬
徐宇新
乜志浩
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Beijing Aerospace Wanda Hi Tech Ltd
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Beijing Aerospace Wanda Hi Tech Ltd
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Priority to CN201810988100.8A priority Critical patent/CN109217043B/en
Publication of CN109217043A publication Critical patent/CN109217043A/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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A pin-shaped plug with a shielding function relates to the field of aerospace pin-shaped plugs; the connector comprises a pin-shaped plug part and a shielded cable part; the pin-shaped plug part comprises an inner die, a plug shielding layer, an outer die, a welding cup assembly and a welding cup fixing shell; the pin-shaped plug part is sleeved on the outer wall of the head end of the shielding cable part; the shielded cable component comprises a shielded cable and a wire core group; the shielding cable is in a rope-shaped structure; the wire core group extends out of the axial head end of the shielding cable; the wire core group comprises 3 wire cores, and the 3 wire cores are distributed in a three-head plug type; the outer wall of the shielded cable is wrapped with a shielding layer; the invention can effectively inhibit radiation emission when the equipment is used, improves the electromagnetic shielding performance, and can be used as a power supply plug of various electronic equipment.

Description

Pin-shaped plug with shielding function
Technical Field
The invention relates to the field of aerospace pin-shaped plugs, in particular to a pin-shaped plug with a shielding function.
Background
Most of pin-shaped plugs in the market are made of common plastic materials, when the pin-shaped plugs are used as plugs to supply power to equipment, electromagnetic leakage at the plugs is serious, and the use of surrounding electronic equipment is influenced, so that the pin-shaped plugs can not be used in the fields of spaceflight, aviation, ships and warships and the like with higher requirements on electromagnetic compatibility.
In order to solve the above problems, a large number of researchers begin to solve the problem of poor electromagnetic compatibility of the delta-shaped plug by designing a metal shell, but the metal plug has high production cost, poor universality and general shielding effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides the pin-shaped plug with the shielding function, can effectively inhibit radiation emission when equipment is used, improves the electromagnetic shielding performance, and can be used as a power supply plug of various electronic equipment.
The above purpose of the invention is realized by the following technical scheme:
a pin plug with shielding function comprises a pin plug component and a shielding cable component; the pin-shaped plug part is sleeved on the outer wall of the head end of the shielding cable part; wherein the shielded cable component comprises a shielded cable and a wire core group; the shielding cable is in a rope-shaped structure; the wire core group extends out of the axial head end of the shielding cable; the wire core group comprises 3 wire cores, and the 3 wire cores are distributed in a three-head plug type; the outer wall of the shielded cable is wrapped with a shielding layer.
In the delta-shaped plug with the shielding function, the delta-shaped plug part comprises an inner die, a plug shielding layer, an outer die, a welding cup assembly and a welding cup fixing shell; wherein, the welding cup component is butted with the wire core group; the inner mold is sleeved on the outer wall of the shielding cable and is positioned at the joint of the shielding cable and the wire core group; the plug shielding layer is sleeved on the outer wall of the inner mold; the welding cup fixing shell is sleeved on the outer wall of the welding cup assembly; the outer die is sleeved on the outer walls of the welding cup fixing shell, the plug shielding layer and the front end of the shielding cable.
In the pin-shaped plug with the shielding function, the welding cup assembly comprises a ground wire signal welding cup, a live wire signal welding cup and a zero wire signal welding cup; 3 welding cups are respectively butted with 3 wire cores of the wire core group; wherein, the ground wire signal welding cup is positioned at the top end; the fire wire signal welding cup is positioned at the right lower part of the ground wire signal welding cup; the zero line signal welding cup is positioned at the left lower part of the ground wire signal welding cup.
In the pin-shaped plug with the shielding function, the shielding layer of the plug is connected with the shielding layer of the shielded cable; the shielding layer of the shielding cable is connected with the ground wire signal welding cup in a welding mode.
In the delta-shaped plug with the shielding function, the shielding layer of the plug is made of a flexible tape gum shielding material; the wall thickness of the plug shielding layer is less than 0.15 mm.
In the delta-shaped plug with the shielding function, the outer die comprises a limiting part, an anti-slip part and an anti-bending part; the limiting part is arranged at the front end of the outer die and is of a step structure; the anti-slip part is arranged in the middle of the outer die, and a plurality of bulges are arranged at the anti-slip part to increase the friction force; the anti-bending part is arranged at the rear part of the outer die and coated at the joint of the shielding cable and the wire core group.
In the delta-shaped plug with the shielding function, the inner die and the outer die are both formed by injection molding of PVC materials.
In the pin-shaped plug with the shielding function, the shielded cable is a three-core AFPF type cable.
In the pin-shaped plug with the shielding function, the distance between the step position of the limiting part and the head end of the limiting part corresponds to the length of the welding cup component.
Compared with the prior art, the invention has the following advantages:
(1) the invention has beautiful appearance, strong universality, simple use method and low manufacturing cost;
(2) the invention has good shielding effect and ensures the transmission quality of the power supply;
(3) the invention is suitable for a plurality of military industry fields such as spaceflight, aviation, ships and warships.
Drawings
FIG. 1 is an exploded view of a delta-shaped plug with shielding function according to the present invention;
FIG. 2 is a side sectional view of the pin plug with shielding function of the present invention;
FIG. 3 is a schematic view of the outer mold structure of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
the invention provides a shielding delta-shaped plug with strong universality, low cost and good shielding effect; the equipment powered by the pin-shaped plug assembly can effectively inhibit electromagnetic radiation emission and improve the anti-interference performance of the equipment.
As shown in fig. 1, which is an exploded view of a pin plug with shielding function, and as shown in fig. 2, which is a cross-sectional view of a pin plug with shielding function, it can be seen that a pin plug with shielding function includes a pin plug member 1 and a shielding cable member 2; the pin-shaped plug part 1 is sleeved on the outer wall of the head end of the shielded cable part 2; the shielded cable part 2 comprises a shielded cable 21 and a core group 22; the shielded cable 21 is a rope-like structure; the wire core group 22 extends out of the axial head end of the shielded cable 21; the wire core group 22 comprises 3 wire cores, and the 3 wire cores are distributed in a three-head plug type manner; the outer wall of the shielded cable 21 is wrapped with a shielding layer. The shielded cable 21 is a three-core AFPF type cable.
The pin-shaped plug component 1 comprises an inner die 11, a plug shielding layer 12, an outer die 13, a welding cup assembly 14 and a welding cup fixing shell 15; wherein, the welding cup assembly 14 is butted with the wire core group 22; the inner mold 11 is sleeved on the outer wall of the shielded cable 21 and is positioned at the joint of the shielded cable 21 and the wire core group 22; the plug shielding layer 12 is sleeved on the outer wall of the inner mold 11; the welding cup fixing shell 15 is sleeved on the outer wall of the welding cup assembly 14; the outer die 13 is sleeved on the outer walls of the front ends of the welding cup fixing shell 15, the plug shielding layer 12 and the shielding cable 21. The inner die 11 and the outer die 13 are both formed by injection molding of PVC materials. The PVC material of the inner mold 11 is translucent and the PVC material of the outer mold 13 is black. The plug shielding layer 12 is connected with the outer shielding layer of the shielding cable 21, and the inner mold 11 is connected with the tail end of the welding cup fixing shell 15 to form an integral structure.
The weld cup assembly 14 includes a ground signal weld cup 141, a live signal weld cup 142, and a neutral signal weld cup 143; 3 welding cups are respectively butted with 3 wire cores of the wire core group 22; wherein, the ground signal soldering cup 141 is located at the top end; the live wire signal welding cup 142 is positioned at the lower right of the ground wire signal welding cup 141; the neutral signal cup 143 is located at the lower left of the ground signal cup 141.
The plug shield layer 12 is connected to the shield layer of the shielded cable 21; the shield layer of the shielded electrical cable 21 is soldered to the ground signal cup 141. The plug shielding layer 12 is made of flexible tape gum shielding material; to ensure the dimensions of the outer mould 13, the wall thickness of the plug shield 12 is less than 0.15 mm. And simultaneously ensures that the inner die 11 and the welding cup fixing shell 15 are both wrapped by shielding materials.
As shown in fig. 3, which is a schematic structural diagram of the outer mold, it can be seen that the outer mold 13 includes a position-limiting portion 131, an anti-slip portion 132 and an anti-bending portion 133; the overall dimension is consistent with the general pin plug. Wherein, the limiting part 131 is arranged at the front end of the outer die 13 and has a step structure; the antiskid part 132 is arranged in the middle of the outer die 13, and a plurality of bulges are arranged at the antiskid part 132 to increase the friction force; the bending prevention part 133 is arranged at the rear part of the outer die 13, and the bending prevention part 133 covers the connection part of the shielded cable 21 and the core group 22. The length from the step position of the limiting part 131 to the head end of the limiting part 131 corresponds to the soldering cup assembly 14. During processing, the welding cup assembly 14 is firstly arranged on the welding cup fixing shell 15, the inner die 11 is molded through injection molding, the shielding treatment is carried out through the flexible shielding material, the plug shielding layer 12 is formed, the shielding layer of the outer surface layer of the shielding cable 21 is connected to the plug shielding layer 12, and finally the outer die 13 is molded through injection molding.
When the delta-shaped plug with the shielding function is used for supplying power to equipment, the anti-skidding part 132 is held, the delta-shaped plug is inserted into a power supply port of the equipment, whether the delta-shaped plug is completely inserted is judged according to the position of the limiting part 131, and the integrity of electromagnetic shielding can be ensured after the delta-shaped plug is completely inserted.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.

Claims (7)

1. The utility model provides a article word plug with shielding function which characterized in that: comprises a pin component (1) and a shielded cable component (2); the pin-shaped plug part (1) is sleeved on the outer wall of the head end of the shielded cable part (2); the shielding cable component (2) comprises a shielding cable (21) and a wire core group (22); the shielding cable (21) is of a rope-shaped structure; the wire core group (22) extends out of the axial head end of the shielded cable (21); the wire core group (22) comprises 3 wire cores, and the 3 wire cores are distributed in a three-head plug type; the outer wall of the shielded cable (21) is wrapped with a shielding layer;
the delta-shaped plug component (1) comprises an inner die (11), a plug shielding layer (12), an outer die (13), a welding cup assembly (14) and a welding cup fixing shell (15); wherein the welding cup assembly (14) is butted with the wire core group (22); the inner mold (11) is sleeved on the outer wall of the shielding cable (21) and is positioned at the joint of the shielding cable (21) and the wire core group (22); the plug shielding layer (12) is sleeved on the outer wall of the inner mold (11); the welding cup fixing shell (15) is sleeved on the outer wall of the welding cup assembly (14); the outer die (13) is sleeved on the outer walls of the front ends of the welding cup fixing shell (15), the plug shielding layer (12) and the shielding cable (21);
the plug shielding layer (12) is made of flexible tape gum shielding material; the wall thickness of the plug shielding layer (12) is less than 0.15 mm.
2. The delta plug with shielding function according to claim 1, wherein: the welding cup assembly (14) comprises a ground wire signal welding cup (141), a live wire signal welding cup (142) and a zero wire signal welding cup (143); 3 welding cups are respectively butted with 3 wire cores of the wire core group (22); wherein, the ground signal welding cup (141) is positioned at the top end; the live wire signal welding cup (142) is positioned at the lower right part of the ground wire signal welding cup (141); the zero line signal welding cup (143) is positioned at the lower left of the ground line signal welding cup (141).
3. The delta plug with shielding function according to claim 2, wherein: the plug shielding layer (12) is connected with the shielding layer of the shielding cable (21); the shield layer of the shield cable (21) is connected with the ground signal welding cup (141) in a welding mode.
4. A pin plug with a shield function according to claim 3, wherein: the outer die (13) comprises a limiting part (131), an anti-skidding part (132) and an anti-bending part (133); wherein, the limiting part (131) is arranged at the front end of the outer die (13) and has a step structure; the anti-skid part (132) is arranged in the middle of the outer die (13), and a plurality of bulges are arranged at the anti-skid part (132) to increase the friction force; the anti-bending part (133) is arranged at the rear part of the outer die (13), and the anti-bending part (133) covers the connecting part of the shielded cable (21) and the wire core group (22).
5. The delta-shaped plug with the shielding function according to claim 4, wherein: the inner die (11) and the outer die (13) are both formed by injection molding of PVC materials.
6. The delta-shaped plug with the shielding function according to claim 5, wherein: the shielded cable (21) is a three-core AFPF type cable.
7. The delta-shaped plug with the shielding function according to claim 6, wherein: the length from the step position of the limiting part (131) to the head end of the limiting part (131) corresponds to the length of the welding cup component (14).
CN201810988100.8A 2018-08-28 2018-08-28 Pin-shaped plug with shielding function Active CN109217043B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810988100.8A CN109217043B (en) 2018-08-28 2018-08-28 Pin-shaped plug with shielding function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810988100.8A CN109217043B (en) 2018-08-28 2018-08-28 Pin-shaped plug with shielding function

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CN109217043A CN109217043A (en) 2019-01-15
CN109217043B true CN109217043B (en) 2020-06-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063546B2 (en) * 2004-04-22 2006-06-20 Kabushiki Kaisha Audio-Technica Microphone connector
CN201717475U (en) * 2010-05-28 2011-01-19 朱少琦 Dual-purpose bakelite three-pin power plug
CN102916303A (en) * 2012-09-18 2013-02-06 深圳巴斯巴科技发展有限公司 Plastic shell connector with shielding and high-voltage interlocking structure
CN102986102A (en) * 2010-07-14 2013-03-20 矢崎总业株式会社 Ground-wire connection structure for shielded wire
CN107508116A (en) * 2015-09-07 2017-12-22 厦门大恒科技有限公司 A kind of elastic surface self-locking fixer, fixation kit and socket
CN207602916U (en) * 2017-12-29 2018-07-10 广东欧珀移动通信有限公司 Charging connecting device and charging system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063546B2 (en) * 2004-04-22 2006-06-20 Kabushiki Kaisha Audio-Technica Microphone connector
CN201717475U (en) * 2010-05-28 2011-01-19 朱少琦 Dual-purpose bakelite three-pin power plug
CN102986102A (en) * 2010-07-14 2013-03-20 矢崎总业株式会社 Ground-wire connection structure for shielded wire
CN102916303A (en) * 2012-09-18 2013-02-06 深圳巴斯巴科技发展有限公司 Plastic shell connector with shielding and high-voltage interlocking structure
CN107508116A (en) * 2015-09-07 2017-12-22 厦门大恒科技有限公司 A kind of elastic surface self-locking fixer, fixation kit and socket
CN207602916U (en) * 2017-12-29 2018-07-10 广东欧珀移动通信有限公司 Charging connecting device and charging system

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