CN110932039B - Plug, socket and connector - Google Patents

Plug, socket and connector Download PDF

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Publication number
CN110932039B
CN110932039B CN201911167146.4A CN201911167146A CN110932039B CN 110932039 B CN110932039 B CN 110932039B CN 201911167146 A CN201911167146 A CN 201911167146A CN 110932039 B CN110932039 B CN 110932039B
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China
Prior art keywords
socket
plug
hole
contact
conductive
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CN201911167146.4A
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Chinese (zh)
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CN110932039A (en
Inventor
林倩
熊贤翠
李严亮
胡国闯
崔艳磊
李亮
王世光
王超
王亚楠
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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 CN201911167146.4A priority Critical patent/CN110932039B/en
Publication of CN110932039A publication Critical patent/CN110932039A/en
Application granted granted Critical
Publication of CN110932039B publication Critical patent/CN110932039B/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
    • H01R13/648—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]
    • H01R13/6581—Shield structure
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6588—Shielding material individually surrounding or interposed between mutually spaced contacts with through openings for individual contacts
    • 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
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

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

Abstract

The invention relates to the field of connectors, in particular to a plug, a socket and a connector. The plug comprises a plug conductive shell and plug contacts, wherein the front end of the plug conductive shell is provided with a plug front boss protruding forwards, at least one plug contact hole is a first plug hole extending to the plug front boss, the plug contact hole beside the plug front boss is a second plug hole, and the plug front boss on the plug conductive shell is arranged for being in conductive insertion connection with the wall of a shielding blind hole on a socket matched with the plug so as to shield the first plug hole contacts. According to the plug, the front lug boss of the plug is matched with the shielding blind hole of the socket to shield the first plug hole contact element, only one inserting matching surface is arranged between the first plug hole contact element and the second plug hole contact element, the circumferential size of the plug is reduced, and the technical problem that the existing plug occupies a large space in the circumferential direction is solved.

Description

Plug, socket and connector
Technical Field
The invention relates to the field of connectors, in particular to a plug, a socket and a connector.
Background
In the field of petroleum, an electric connector used underground needs to bear high voltage, so the electric connector can be called a pressure-bearing connector, and when the pressure-bearing connector is used underground, high-voltage cables and various signal lines exist around the pressure-bearing connector, so the electromagnetic interference is strong. In order to reduce the number of downhole connectors, it is often necessary to install contacts with different shielding requirements into one connector, and current pressure-bearing connectors generally ensure the electromagnetic shielding performance of the connector by conducting the cable shield connected with the connector with the metal shell of the connector. But the electrical signals of the contacts cannot be supplied within the connector in a tamper-proof manner.
The Chinese patent application with the publication number of CN104409917B and the publication date of 2016.10.05 discloses a wall-through electric connector with a glass sealing body sintering sealing structure, which comprises a shell and a conductor pin arranged in the shell, wherein an insulator hole is formed in the shell, a ceramic insulator and a glass sealing body insulator are arranged in the insulator hole, the conductor pin and the ceramic insulator form a whole body through the sintering of the glass sealing body, so that the sealing performance and the insulating performance between the conductor pin and the shell are greatly improved, the conductor pin on the shell is provided with a high-frequency pin and a low-frequency pin, in order to avoid mutual interference, a shielding ring is arranged between the high-frequency pin and the low-frequency pin, and the shielding ring is welded and fixed on the end face of the shell.
Above-mentioned electric connector can shield the high frequency contact pin through setting up the shield ring, guarantee the electromagnetic shielding performance of high frequency contact pin in the connector, but need all leave sufficient space between shield ring and high frequency contact pin, the low frequency contact pin and supply the adapter connector to insert when this kind of connector uses, need set up two grafting fitting surfaces between low frequency contact pin and the high frequency contact pin, receive the restriction of jack pore wall minimum size, this kind of design makes connector circumference size great, cause the great technical problem of connector circumference occupation space.
Disclosure of Invention
The invention aims to provide a plug, which is used for solving the problem that the circumferential occupied space of the plug is large because a shielding ring is arranged outside a contact pin needing shielding to increase the circumferential size of a connector in the conventional plug; in addition, the invention also aims to provide a socket matched with the plug, which is used for solving the problem of large circumferential occupied space of the socket caused by large axial size of the conventional socket; in addition, the invention also aims to provide a connector using the plug and the socket.
In order to achieve the purpose, the technical scheme of the plug is as follows:
plug, the front end is the grafting end, includes:
the plug conductive shell is internally provided with a plug contact element hole;
the plug contact piece is arranged in the plug contact piece hole;
the front end of the plug conductive shell is provided with a plug front boss protruding forwards, at least one plug contact hole is a first plug hole extending to the plug front boss, a plug contact hole beside the plug front boss is a second plug hole, a plug contact arranged in the first plug hole is a first plug hole contact, and a plug contact arranged in the second plug hole is a second plug hole contact; the plug front boss on the plug conductive shell is used for being in conductive insertion connection with the wall of the shielding blind hole on the adaptive socket so as to shield the first plug hole contact element; the first plug hole contact piece is used for being connected with a first socket hole contact piece in a first socket hole communicated with the shielding blind hole in the adaptive socket in an inserting mode, and the second plug hole contact piece is used for being connected with a second socket hole contact piece arranged on the adaptive socket at intervals of the shielding blind hole in an inserting mode.
The invention has the beneficial effects that: compared with the existing shielding ring, the plug provided by the invention shields the first plug hole contact element by arranging the plug front boss to be matched with the shielding blind hole of the socket, and only one splicing matching surface is arranged between the first plug hole contact element and the second plug hole contact element, so that the circumferential size of the plug is reduced, and the technical problem that the circumferential occupied space of the existing plug is larger is solved.
Furthermore, the plug contact is a contact pin, and the front end of the first plug hole contact extends out of the front lug boss of the plug.
Further, the plug is a pressure-bearing plug, and the plug contact is assembled in the plug contact hole in a sealing mode.
The technical scheme of the socket is as follows:
socket, the front end is the grafting end, includes:
the socket shell is internally provided with a socket contact element hole;
the socket contact piece is arranged in the socket contact piece hole;
the socket comprises a socket shell, a shielding blind hole, at least one socket contact hole, at least one first socket hole, at least one second socket hole, a socket contact element, a first socket hole contact element and a shielding part, wherein the shielding blind hole is formed in the socket shell, the at least one first socket hole is communicated with the shielding blind hole in a front-back mode, the at least one second socket hole is arranged at an interval with the shielding blind hole, the socket contact element arranged in the second socket hole is a second socket hole contact element, the socket contact element arranged in the first socket hole is a first socket hole contact element, the shielding part, which is arranged between the first socket hole and the second socket hole and used for shielding the first socket hole contact element; the shielding blind hole is used for being in conductive insertion connection with a plug front boss of the adaptive plug conductive shell so as to shield the first socket hole contact element, the second socket hole contact element is used for being in insertion connection with a second plug hole contact element beside the plug front boss, and the first socket hole contact element is used for being in insertion connection with a first plug hole contact element in a first plug hole extending to the plug front boss in the plug conductive shell.
The invention has the beneficial effects that: compared with the existing shielding ring, the plug provided by the invention shields the first plug hole contact element by arranging the plug front boss to be matched with the shielding blind hole of the socket, and only one plugging matching surface is arranged between the first plug hole contact element and the second plug hole contact element, so that the circumferential size of the socket is reduced, and the technical problem of large space occupation of the circumferential size of the existing socket is solved.
Furthermore, the socket shell comprises a socket conductive shell and a socket insulator which is arranged in the socket conductive shell and at the front end of the socket conductive shell, the socket contact element comprises a pin element and a jack element, jacks are arranged at two ends of the jack element and are in plug-in fit with the pin element, the jack element is used for being in plug-in fit with the plug contact element, the jack element is fixed in the socket insulator, the pin element is fixed in the socket conductive shell, a conductive shielding sleeve is arranged in the socket insulator, the jack element of the first socket hole contact element is arranged in the conductive shielding sleeve, the rear end of the conductive shielding sleeve is in conductive contact with the socket conductive shell, the front section of the shielding part is formed by the conductive shielding sleeve, the rear section of the shielding part is formed by the part of the socket conductive shell, and the socket blind hole is. The split socket shell facilitates installation of the socket contact and is convenient to plug in with the plug.
Furthermore, a socket front boss protruding forwards is arranged on the socket conductive shell, the first socket hole penetrates through the socket front boss, and the rear end of the conductive shielding sleeve is sleeved on the periphery of the socket front boss and is in conductive contact with the socket front boss. Good shielding of the first socket hole contacts inside the socket is ensured.
Furthermore, the conductive shielding sleeve comprises a fixed sleeve body in the middle, conductive elastic claws extending in the front-back direction are circumferentially arranged at two ends of the fixed sleeve body, and the conductive shielding sleeve is in conductive contact with the front boss of the socket through the conductive elastic claws. The conductive elastic claw ensures that the two ends of the conductive shielding sleeve are in good conductive contact.
Further, the socket is a pressure-bearing socket, and the pin member is hermetically assembled in a portion of the socket contact member hole on the socket conductive shell.
The technical scheme of the connector comprises the following steps:
the connector, including plug and socket, plug front end and socket front end are the grafting end of mutual adaptation, and the plug includes:
the plug conductive shell is internally provided with a plug contact element hole;
the plug contact piece is arranged in the plug contact piece hole;
the socket includes:
the socket shell is internally provided with a socket contact element hole;
the socket contact piece is arranged in the socket contact piece hole;
the front end of the plug conductive shell is provided with a plug front boss protruding forwards, at least one plug contact hole is a first plug hole extending to the plug front boss, a plug contact hole beside the plug front boss is a second plug hole, a plug contact arranged in the first plug hole is a first plug hole contact, and a plug contact arranged in the second plug hole is a second plug hole contact;
the socket comprises a socket shell, a shielding blind hole, at least one socket contact hole, at least one first socket hole, at least one second socket hole, a socket contact element, a first socket hole contact element and a shielding part, wherein the shielding blind hole is formed in the socket shell, the at least one first socket hole is communicated with the shielding blind hole in a front-back mode, the at least one second socket hole is arranged at an interval with the shielding blind hole, the socket contact element arranged in the second socket hole is a second socket hole contact element, the socket contact element arranged in the first socket hole is a first socket hole contact element, the shielding part, which is arranged between the first socket hole and the second socket hole and used for shielding the first socket hole contact element;
the shielding blind hole is used for being in conductive insertion with the plug front boss so as to shield the first socket hole contact piece, the second socket hole contact piece is used for being in insertion connection with the second plug hole contact piece, and the first socket hole contact piece is used for being in insertion connection with the first plug hole contact piece.
Has the advantages that: compared with the existing shielding ring, the plug provided by the invention shields the first plug hole contact element by arranging the plug front boss to be matched with the shielding blind hole of the socket, and only one splicing matching surface is arranged between the first plug hole contact element and the second plug hole contact element, so that the circumferential size of the plug is reduced, and the technical problem that the circumferential occupied space of the existing plug is larger is solved.
Furthermore, the socket shell comprises a socket conductive shell and a socket insulator which is arranged in the socket conductive shell and at the front end of the socket conductive shell, the socket contact element comprises a pin element and a jack element, jacks are arranged at two ends of the jack element and are in plug-in fit with the pin element, the jack element is used for being in plug-in fit with the plug contact element, the jack element is fixed in the socket insulator, the pin element is fixed in the socket conductive shell, a conductive shielding sleeve is arranged in the socket insulator, the jack element of the first socket hole contact element is arranged in the conductive shielding sleeve, the rear end of the conductive shielding sleeve is in conductive contact with the socket conductive shell, the front section of the shielding part is formed by the conductive shielding sleeve, the rear section of the shielding part is formed by the part of the socket conductive shell, and the socket blind hole is. The split socket shell facilitates installation of the socket contact and is convenient to plug in with the plug.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a plug of the present invention;
FIG. 2 is a schematic diagram of a receptacle adapted to receive a plug according to an embodiment of the plug of the present invention;
in the figure: 1-a plug; 11-a plug conductive housing; 111-plug front boss; 112-plug sleeve fixing station; 121-a first plug aperture; 122-a second plug aperture; 13-a ceramic sleeve; 14-a glass seal; 151-first plug aperture contact; 152-a second plug aperture contact; 16-a plug shielding sleeve; 161-line pressing groove; 2-a socket; 201-a pin member; 202-a jack piece; 21-a socket housing; 211-a socket conductive shell; 212 — socket insulator; 213-shielding blind holes; 214-a conductive shielding sleeve; 2141-a fixed sleeve; 2142-conductive fingers; 2143-a stop collar; 215-socket front boss; 216-socket sleeve mount; 22-glass sealing body; 23-a ceramic sleeve; 241-a first socket hole; 242 — a second socket hole; 251-a first socket hole contact; 252-a second socket hole contact; 26-a socket shielding sleeve; 261-line pressing groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, a plug 1 in this embodiment is a pressure-bearing plug with a front end serving as a plugging end, the plug 1 includes a plug conductive housing 11, a plug contact hole is formed in the plug conductive housing 11, a plug contact is hermetically assembled in the plug contact hole through a glass sealing body 14, and the plug contacts in this embodiment are pins extending in the front-rear direction. As shown in fig. 1, the front and rear ends in the plug contact hole are provided with ceramic sleeves 13, and the ceramic sleeves 13 are inserted into the plug contact hole.
The plug contact is provided with a plurality of, and wherein the three plug contact in the center has higher requirement to shielding condition, need shield in plug 1 inside, avoids other contacts in plug 1 inside to disturb it, in order to satisfy the operation requirement, in this embodiment, the front end an organic whole of the electrically conductive casing 11 of plug is equipped with preceding boss 111 of plug, and boss 111 is made with electrically conductive shielding material of plug electrically conductive casing 11 before the plug. The three holes corresponding to the plug contacts to be shielded are first plug holes 121, the first plug holes 121 extend to the plug front boss 111, the remaining plug contact holes are second plug holes 122 located beside the plug front boss, the three contacts are defined as first plug hole contacts 151, and the remaining contacts are second plug hole contacts 152 hermetically fitted in the second plug holes 122. The front end of the first plug hole contact 151 extends out of the plug front boss 111, and the front end of the second plug hole contact 152 extends out of the front end surface of the plug conductive housing 11. As shown in fig. 2, the plug front protrusion 111 is used for electrically conductive plugging with the hole wall of the shielding blind hole 213 on the adapter socket 2 to shield the first plug hole contact 151, so as to prevent the second plug hole contact 152 inside the plug 1 from interfering with the first plug hole contact 151. The length of the first plug hole contact piece extending out of the front boss of the plug is the same as the length of the second plug hole contact piece extending out of the front end face of the plug conductive shell, and the length of the first plug hole contact piece is larger than that of the second plug hole contact piece.
In order to further optimize the shielding effect of the first plug hole contact 151, in the present embodiment, the rear end of the plug conductive housing 11 is integrally provided with a plug-sleeve fixing base 112 protruding rearward, a plug shielding sleeve 16 extending rearward is screwed onto the plug-sleeve fixing base 112, and the front end of the plug shielding sleeve 16 is screwed onto the outer peripheral surface of the plug-sleeve fixing base 112. The plug-sleeve fixing base 112 is integrally provided with the plug conductive housing 11, so as to ensure that the plug shielding sleeve 16 is conductively connected with the plug conductive housing 11. In this embodiment, the first plug hole 121 extends to the plug-sleeve fixing base 112, and the rear end of the first plug hole contact 151 extends out of the first plug hole 121 into the plug shield sleeve 16. Shielding of the terminals of the first plug aperture contacts 151 is achieved by the cooperation of the plug shielding sleeve 16 with the plug conductive housing 11. The inner hole of the plug shielding sleeve 16 is used for a cable to pass through, the front end of the plug shielding sleeve is provided with an internal thread in threaded connection with the plug sleeve fixing table 112, the rear end of the plug shielding sleeve is provided with a wire pressing groove 161 for bundling a cable shielding layer in a crimping mode, the cable shielding layer is connected to the rear end of the plug shielding sleeve 16 in a laminating mode during use, and continuity of cable shielding is guaranteed. During wiring, the cable core of the cable is connected with the rear end of the first plug hole contact piece, then the plug shielding sleeve is installed on the rear boss, and finally the cable shielding layer is bound at the wire pressing groove to complete wiring of the cable.
In order to clearly express the shielding principle of the plug 1, the structure of the receptacle 2 adapted to the plug 1 needs to be described.
As shown in fig. 2, the socket 2 is a pressure-bearing socket 2 adapted to the plug 1, as shown in fig. 2, the front end of the socket 2 is a plug end, the rear end of the socket is a terminal, the socket 2 includes a socket housing 21, a socket contact hole is formed in the socket housing 21, and a socket contact is hermetically assembled in the socket contact hole.
In this embodiment, the socket contact is a split structure, and includes a pin 201 and a socket 202, which are sealed in the socket contact hole through a glass sealing body 22, and the socket contact hole is further provided with two ceramic sleeves 23 at the front and rear ends of the pin 201. The front end of the pin member 201 is a plug end, the rear end is a terminal, the front end and the rear end of the jack member 202 are plug ends provided with jacks, and the socket 2 is plugged with pins of the plug 1 through the jack member 202. In order to facilitate the installation of the receptacle member 202, in the present embodiment, the receptacle housing 21 is a split structure, the receptacle housing 21 includes a receptacle conductive shell 211 and a receptacle insulator 212 disposed in the receptacle conductive shell 211, and the receptacle contact member hole penetrates through the receptacle conductive shell 211 and the receptacle insulator 212, wherein the pin member 201 is fixed in the receptacle conductive shell 211, and the receptacle member 202 is fixed in the receptacle insulator 212.
The three socket contacts in the center of the socket 2 are plug-fit with the first plug hole contacts 151 of the plug 1, and are also contacts that need shielding. As shown in fig. 2, a shielding blind hole 213 for electrically conductive insertion with the plug front boss 111 of the plug conductive housing 11 is provided in the socket housing 21, and after the shielding blind hole 213 is electrically conductive inserted with the plug front boss 111, the mutual insertion part of the socket contact and the plug contact can be shielded. The socket contact holes corresponding to the three socket contacts to be shielded are first socket holes 241 penetrating through the shielding blind holes 213, the other socket contact holes are second socket holes 242 arranged at intervals with the shielding blind holes 213, the socket contact in the first socket holes 241 is a first socket hole contact 251, the socket contact in the second socket holes 242 is a second socket hole contact 252, the first socket hole contact 251 is plugged with the first plug hole contact 151 of the plug 1, and the second socket hole contact 252 is plugged with the second plug hole contact 152.
In this embodiment, the conductive shielding sleeve 214 is disposed in the socket insulator 212, the rear end of the conductive shielding sleeve 214 is in conductive contact with the socket conductive shell 211, the socket member 202 of the first socket hole contact 251 is disposed in the conductive shielding sleeve 214, and the socket member 202 of the first socket hole contact 251 is shielded by the conductive shielding sleeve 214, so as to prevent the socket member 202 of the first socket hole contact 251 from being subjected to electromagnetic interference from the socket member 202 of the second socket hole contact 252. The blind shielding hole 213 of the receptacle 2 is surrounded by the conductive shielding sleeve 214 and the receptacle insulator 212, and after the plug 1 is plugged into the receptacle 2, the front projection 111 of the plug is in conductive contact with the conductive shielding sleeve 214. In order to facilitate the insertion and ensure the conductive contact between the front protrusion 111 of the plug and the conductive shielding sleeve 214, and ensure the good electrical contact between the conductive shielding sleeve 214 and the conductive shell 211 of the receptacle, in this embodiment, the conductive shielding sleeve 214 includes a fixed sleeve body 2141 fixed on the insulator 212 of the receptacle and conductive elastic claws 2142 at the front and rear ends of the fixed sleeve body 2141, the conductive elastic claws 2142 extend in the front and rear direction, wherein the conductive elastic claw 2142 at the front end of the fixed sleeve body 2141 is in conductive elastic contact with the front protrusion 111 of the plug, and the conductive elastic claw 2142 at the rear end is in conductive elastic contact with the conductive shell 211 of the receptacle. The structure of the conductive shielding sleeve 214 in this embodiment is similar to that of the plug member, the front and rear ends of the conductive shielding sleeve 214 have the same structure, and the fixing sleeve body is provided with a position-limiting sleeve 2143 located at the periphery of the conductive latch 2142 to limit the deformation of the conductive latch 2142. In other embodiments, the shielding conductive sleeve may also be a rigid sleeve, or a spring sheet may be disposed in the conductive shielding sleeve.
In order to ensure the shielding of the insertion position of the pin member 201 of the first socket hole contact 251 and the socket member 202, in this embodiment, a socket front boss 215 is disposed at the center of the front end in the socket conductive shell 211, the second socket hole 242 penetrates through the socket front boss 215, the first socket hole 241 and the socket front boss 215 are disposed at an interval, the pin member 201 extends out of the socket front boss 215 and is inserted into the socket member 202 of the first socket hole contact 251, the rear end of the conductive shielding sleeve 214 is sleeved on the outer periphery of the socket front boss 215, and the conductive elastic claw 2142 at the rear end is in conductive contact with the outer periphery of the socket front boss 215, so that the conductive shielding sleeve 214 shields the insertion position of the pin member 201 of the first socket hole contact 251 and the socket member 202. The mating structure of the receptacle front projection 215 and the pin member 201, and the mating structure of the header front projection 111 and the pin on the receptacle 2 are substantially the same.
In the embodiment, the shielding portion of the socket conductive shell 211 shielding the first socket hole contact 251 and the conductive shielding sleeve 214 together form the shielding portion of the periphery of the first socket hole 241 for shielding the first socket hole contact 251, in other embodiments, the socket shell may be formed integrally by using a conductive material, at this time, the socket contact generally uses an integrated socket member or pin, and at this time, the shielding portion is formed by the conductive portion of the socket shell located at the periphery of the first socket hole contact; in other embodiments, the shielding sleeve may be arranged to penetrate through the socket housing front and back to shield the socket contact, but such a design has a small pressure resistance and is not suitable for use as a pressure-bearing connector.
In this embodiment, in order to ensure the shielding effect of the terminal of the first socket hole contact 251, the rear end of the socket conductive shell 211 is provided with a socket sleeve fixing platform 216 protruding backward, the socket sleeve fixing platform 216 is screwed with the socket shielding sleeve 26 extending backward, the front end of the socket shielding sleeve 26 is screwed on the outer peripheral surface of the socket sleeve fixing platform 216, and the socket sleeve fixing platform 216 and the plug conductive shell 11 are integrally arranged to ensure that the socket shielding sleeve 26 is conductively connected with the socket conductive shell 211. In this embodiment, the first socket hole 241 extends to the socket sleeve fixing base 216, and the rear end of the first socket hole contact 251 extends out of the first socket hole 241 into the socket shielding sleeve 26. Shielding of the terminals of the first socket hole contacts 251 is achieved by the mating of the socket shield sleeve 26 with the socket conductive shell 211. As shown in fig. 2, the inner hole of the socket shielding sleeve 26 is used for passing the cable, the front end is provided with an internal thread in threaded connection with the socket sleeve fixing platform 216, the rear end is provided with a wire pressing groove 261 for bundling the cable shielding layer in a crimping manner, and the cable shielding layer is connected to the rear end of the socket shielding sleeve 26 in a laminating manner during use, so that the continuity of cable shielding is ensured. The use mode of the socket shielding sleeve is the same as that of the plug shielding sleeve, and the description is omitted.
After the plug 1 and the socket 2 are plugged, the 360-degree shielding at the plugging position of the plug 1 and the socket 2 is realized through the action of the plug front boss 111 of the plug 1 and the conductive shielding sleeve 214, and the internal anti-interference capability of the connector is improved. Through the plug shielding sleeve 16 at the tail part of the plug 1 and the socket shielding sleeve 26 at the tail part of the socket 2, 360-degree shielding at an external wiring part is realized, and the external electric signal anti-interference capability of the connector is improved.
In the above embodiment, the plug contact is a pin contact, in other embodiments, the plug contact may also be a socket piece, the front end of the socket piece may be flush with the front end face of the plug front boss, the socket contact is a pin, and the socket housing is suitable for adopting an integrated conductive housing.
In the above embodiment, the rear end of the plug contact is a wiring end, the front end and the rear end of the plug contact in other embodiments can be both plugging ends, the rear end of the plug can also be provided with a shielding structure the same as the front end, namely, the rear end of the conductive shell of the plug is provided with the rear lug boss of the plug, the front end and the rear end of the plug are symmetrical, and the front end and the rear end of the plug are required to be plugged into a matched socket in a butting mode when the.
In the above embodiment, the shielding sleeve at the rear end of the plug contact may not be provided, and the shielding layer of the cable may be directly fixed on the housing of the plug, but the shielding effect is poor. Similarly, in other embodiments, the tail of the receptacle may not be provided with a shielding sleeve.
In the embodiment, the plug is a pressure-bearing plug, the plug contact is packaged in the plug contact hole through glass, in other embodiments, the plug is not a pressure-bearing plug, the pressure-bearing plug is suitable for common pressure occasions, and at the moment, the sealing grade of the plug contact and the plug contact hole can be properly reduced. Likewise, the socket may not be a pressure bearing socket.
In the above embodiments, the front boss of the plug is disposed at the center of the plug, and in other embodiments, the front boss of the plug may also be annular, and at this time, the plug contact that needs to be shielded is located at the outer periphery of the plug, but at this time, the complexity of the plug may be increased.
In the above embodiment, the rear end of the conductive shielding sleeve may be embedded into the conductive shell of the socket, and the front end of the conductive shell of the socket may not be provided with the front boss of the socket.
In other embodiments, the plug front boss may be disposed separately from the plug conductive housing, such as by being fixed by a screw. Similarly, the front boss of the socket can be separated from the conductive shell of the socket.
The plug and the socket are used only for distinguishing two connectors, and the structure of the plug and the socket is not limited, and the plug can be inserted into the socket during use, and the socket and the plug can be inserted in some cases.
In the embodiment of the socket of the present invention, the structure of the socket in this embodiment is the same as the structure of the socket adapted to the plug described in any one of the above embodiments of the plug, and details are not repeated.
In a specific embodiment of the connector of the present invention, the connector includes a plug and a socket, and a structure of the socket in this embodiment is the same as a structure of the socket adapted to the plug described in any one of the specific embodiments of the plug, and a structure of the plug in this embodiment is the same as a structure of the plug described in any one of the specific embodiments of the plug, and details are not repeated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (7)

1. Socket, the front end is the grafting end, includes:
the socket shell is internally provided with a socket contact element hole;
the socket contact piece is arranged in the socket contact piece hole;
it is characterized in that the preparation method is characterized in that,
the socket comprises a socket shell, a shielding blind hole, at least one socket contact hole, at least one first socket hole, at least one second socket hole, a socket contact element, a first socket hole contact element and a shielding part, wherein the shielding blind hole is formed in the socket shell, the at least one first socket hole is communicated with the shielding blind hole in a front-back mode, the at least one second socket hole is arranged at an interval with the shielding blind hole, the socket contact element arranged in the second socket hole is a second socket hole contact element, the socket contact element arranged in the first socket hole is a first socket hole contact element, the shielding part, which is arranged between the first socket hole and the second socket hole and used for shielding the first socket hole contact element; the shielding blind hole is used for being in conductive insertion connection with a plug front boss of the adaptive plug conductive shell so as to shield the first socket hole contact element, the second socket hole contact element is used for being in insertion connection with a second plug hole contact element beside the plug front boss, and the first socket hole contact element is used for being in insertion connection with a first plug hole contact element in a first plug hole extending to the plug front boss in the plug conductive shell.
2. The socket according to claim 1, wherein the socket housing includes a socket conductive shell and a socket insulator in the socket conductive shell and at a front end of the socket conductive shell, the socket contact includes a pin member and a socket member having a socket at both ends and adapted to be plugged into the pin member, the socket member is adapted to be plugged into the plug contact, the socket member is fixed in the socket insulator, the pin member is fixed in the socket conductive shell, a conductive shielding sleeve is provided in the socket insulator, the socket member of the first socket hole contact is located in the conductive shielding sleeve, a rear end of the conductive shielding sleeve is in conductive contact with the socket conductive shell, a front section of the shielding portion is formed by the conductive shielding sleeve, a rear section of the shielding portion is formed by a portion of the socket conductive shell, and the socket blind hole is defined by the conductive shielding sleeve and the socket insulator.
3. The jack of claim 2, wherein the jack conductive shell has a forwardly projecting jack front projection, the first jack opening extends through the jack front projection, and the rear end of the conductive shield sleeve is fitted around the outer periphery of the jack front projection and in conductive contact with the jack front projection.
4. The jack of claim 3, wherein the conductive shield includes a fixed sleeve body in the middle, and conductive fingers extending in the front-rear direction are circumferentially disposed at both ends of the fixed sleeve body, and the conductive shield is in conductive contact with the front boss of the jack through the conductive fingers.
5. A socket according to claim 2, 3 or 4, wherein the socket is a compression socket and the pin members are sealingly fitted in portions of the socket contact holes on the conductive shell of the socket.
6. The connector comprises a plug and a socket, the front end of the plug and the front end of the socket are mutually matched plug ends,
the plug includes:
the plug conductive shell is internally provided with a plug contact element hole;
the plug contact piece is arranged in the plug contact piece hole;
the socket includes:
the socket shell is internally provided with a socket contact element hole;
the socket contact piece is arranged in the socket contact piece hole;
it is characterized in that the preparation method is characterized in that,
the front end of the plug conductive shell is provided with a plug front boss protruding forwards, at least one plug contact hole is a first plug hole extending to the plug front boss, a plug contact hole beside the plug front boss is a second plug hole, a plug contact arranged in the first plug hole is a first plug hole contact, and a plug contact arranged in the second plug hole is a second plug hole contact;
the socket comprises a socket shell, a shielding blind hole, at least one socket contact hole, at least one first socket hole, at least one second socket hole, a socket contact element, a first socket hole contact element and a shielding part, wherein the shielding blind hole is formed in the socket shell, the at least one first socket hole is communicated with the shielding blind hole in a front-back mode, the at least one second socket hole is arranged at an interval with the shielding blind hole, the socket contact element arranged in the second socket hole is a second socket hole contact element, the socket contact element arranged in the first socket hole is a first socket hole contact element, the shielding part, which is arranged between the first socket hole and the second socket hole and used for shielding the first socket hole contact element;
the shielding blind hole is used for being in conductive insertion with the plug front boss so as to shield the first socket hole contact piece, the second socket hole contact piece is used for being in insertion connection with the second plug hole contact piece, and the first socket hole contact piece is used for being in insertion connection with the first plug hole contact piece.
7. The connector of claim 6, wherein the socket housing includes a socket conductive shell and a socket insulator in the socket conductive shell and at a front end of the socket conductive shell, the socket contact includes a pin member and a socket member having two ends provided with sockets and adapted to be plugged into the pin member, the socket member is adapted to be plugged into the plug contact, the socket member is fixed in the socket insulator, the pin member is fixed in the socket conductive shell, a conductive shielding sleeve is provided in the socket insulator, the socket member of the first socket hole contact is located in the conductive shielding sleeve, a rear end of the conductive shielding sleeve is in conductive contact with the socket conductive shell, a front section of the shielding part is formed by the conductive shielding sleeve, a rear section of the shielding part is formed by a part of the socket conductive shell, and the socket blind hole is defined by the conductive shielding sleeve and the socket insulator.
CN201911167146.4A 2019-11-25 2019-11-25 Plug, socket and connector Active CN110932039B (en)

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Application Number Priority Date Filing Date Title
CN201911167146.4A CN110932039B (en) 2019-11-25 2019-11-25 Plug, socket and connector

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Application Number Priority Date Filing Date Title
CN201911167146.4A CN110932039B (en) 2019-11-25 2019-11-25 Plug, socket and connector

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CN110932039A CN110932039A (en) 2020-03-27
CN110932039B true CN110932039B (en) 2021-03-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531952A (en) * 2013-10-24 2014-01-22 遵义精星航天电器有限责任公司 High/low-frequency mixed mounting and sealing through-wall circular electric connector
CN104409917A (en) * 2014-11-11 2015-03-11 苏州华旃航天电器有限公司 Through-wall electric connector with glass sintering sealing structure
EP2991172A1 (en) * 2014-08-27 2016-03-02 TE Connectivity Germany GmbH Vehicular cable assembly
CN205406780U (en) * 2016-03-11 2016-07-27 陕西华达电气技术有限公司 High low frequency of double glazing insulation support stainless steel shell loads in mixture hermetic connector
CN108281826A (en) * 2018-01-16 2018-07-13 苏州华旃航天电器有限公司 A kind of multicore shielding formula electric connector
CN208045768U (en) * 2018-02-02 2018-11-02 苏州华旃航天电器有限公司 A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector
CN209119470U (en) * 2019-01-08 2019-07-16 深圳市鸿万科电子有限公司 A kind of low frequency radio frequency loads in mixture aviation plug

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531952A (en) * 2013-10-24 2014-01-22 遵义精星航天电器有限责任公司 High/low-frequency mixed mounting and sealing through-wall circular electric connector
EP2991172A1 (en) * 2014-08-27 2016-03-02 TE Connectivity Germany GmbH Vehicular cable assembly
CN104409917A (en) * 2014-11-11 2015-03-11 苏州华旃航天电器有限公司 Through-wall electric connector with glass sintering sealing structure
CN205406780U (en) * 2016-03-11 2016-07-27 陕西华达电气技术有限公司 High low frequency of double glazing insulation support stainless steel shell loads in mixture hermetic connector
CN108281826A (en) * 2018-01-16 2018-07-13 苏州华旃航天电器有限公司 A kind of multicore shielding formula electric connector
CN208045768U (en) * 2018-02-02 2018-11-02 苏州华旃航天电器有限公司 A kind of double-layer ceramic sealing structure electromagnetic shielding electric connector
CN209119470U (en) * 2019-01-08 2019-07-16 深圳市鸿万科电子有限公司 A kind of low frequency radio frequency loads in mixture aviation plug

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