CN102170075B - Shielding element and electrical connector plug using same - Google Patents

Shielding element and electrical connector plug using same Download PDF

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Publication number
CN102170075B
CN102170075B CN 201110038334 CN201110038334A CN102170075B CN 102170075 B CN102170075 B CN 102170075B CN 201110038334 CN201110038334 CN 201110038334 CN 201110038334 A CN201110038334 A CN 201110038334A CN 102170075 B CN102170075 B CN 102170075B
Authority
CN
China
Prior art keywords
housing
pressing plate
cable
holder
shielding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201110038334
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Chinese (zh)
Other versions
CN102170075A (en
Inventor
姚勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN 201110038334 priority Critical patent/CN102170075B/en
Publication of CN102170075A publication Critical patent/CN102170075A/en
Application granted granted Critical
Publication of CN102170075B publication Critical patent/CN102170075B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to a shielding element and an electrical connector plug using the same. The shielding element comprises a shielding sleeve and a clamping sleeve, wherein the clamping sleeve is used for clamping a shielding layer of a cable, and is conductively connected with the shielding layer of the cable; cable channels communicated with each other are formed on the shielding sleeve and the clamping sleeve; the front end of the shielding sleeve is provided with a contact part for conductively connecting an electrical connector shell; the clamping sleeve comprises a permanent seat integrally connected to the rear end of the shielding sleeve and a pressing plate for buckling with the permanent seat to clamp the shielding layer of the cable inserted into the cable channels; and a tile-shaped concave surface is formed on at least one of the pressing plate and the permanent seat. The shielding element provided by the invention can be sleeved to the tail end of an electrical connector, conductively connected with the shielding layer of the cable by the clamping sleeve and conductively connected with the electrical connector shell by the shielding sleeve, so the shielding layer of the cable can be effectively connected by the electrical connector shell and prevented from shielding failure at the wiring position of the electrical connector, thereby effectively solving the problem that the conventional electrical connector cannot prevent lightning.

Description

A kind of shielding part and use the electrical connector plug of this shielding part
Technical field
The present invention relates to technical field of electric connectors, especially a kind of shielding part and use the electrical connector plug of this housing.
Background technology
fast development along with science and technology, what people were more and more deep recognizes that Harm of lightning is big, especially in circuit is carried, an irrespective key factor must not become in lightning protection, at present in order to prevent the destruction of thunder and lightning, the way that people commonly use is the wire outer setting screen at cable, prevent that according to this thunder and lightning is to the destruction of circuit, electric connector is the critical component that connects power supply and power consumption equipment, fast development along with the communication technology, the application of electric connector in the communications field is also more and more extensive, various electric connectors for the electrical connection in the communications field have appearred in the market, but existing electric connector mostly can only play the effect of conducting or open circuit, there is no lightning protection and water-proof function, therefore the junction of cable and electric connector often becomes the weakness in the circuit lightning protection, trace it to its cause, mainly because breakpoint occurs after by electric connector the screen of cable itself, the screen that is cable is being cut off through after electric connector, can not play good lightning protection effect, therefore in some open spaces and thunder and lightning multiple season, the electric connector place of circuit tends to lose efficacy because of thunderbolt, even bring irremediable loss.
Summary of the invention
The object of the present invention is to provide a kind of shielding part, to solve the problem that existing electric connector can not lightning protection; Simultaneously, the present invention also aims to provide the electrical connector plug that uses above-mentioned shielding part.
In order to address the above problem, shielding part of the present invention is by the following technical solutions: a kind of shielding part, comprise housing and be used for banding and conduct electricity the banding cover that is connected in cable shield, described housing and banding put the cable passage with mutual perforation, and the front end of described housing has the contact site that is connected for the electric connector housing conduction; Described banding cover comprises that one is connected in the holder of housing rear end and is used for fastening with holder the pressing plate of the screen of institute's threading cable in banding described cable passage, the concave surface that has watt shape at least one in described pressing plate and holder.
The end that described pressing plate makes progress in described housing footpath is articulated on described holder, and the other end is provided with pressing plate screw or follower bolt hole, has respectively the cooperation screw corresponding with described pressing plate screw, follower bolt hole, fitted bolt hole on holder.
Be provided with on the jacket wall of described housing for only revolving with electric connector the draw-in groove that card is joined.
The front end edge of described housing circumferentially has the district that steps down that passes through for the line pressing bolt of power-feed connector, and described stepping down distinguished the breach of stepping down that is provided with resigning hole or extends to the housing front end face.
Electrical connector plug of the present invention is by the following technical solutions: electrical connector plug, comprise plug casing, be provided with vertically contact in described plug casing, the rear end of described contact is provided with line pressing bolt, described electrical connector plug is provided with shielding part in the rear end of its contact, described shielding part comprises housing, is connected in the banding cover of cable shield and runs through described housing and the cable passage of banding cover for banding and conduction, and the front end of described housing conducts electricity with electric connector housing and is connected; Described banding cover comprises that one is connected in the holder of housing rear end and is used for fastening with holder the pressing plate of the screen of institute's threading cable in banding described cable passage, the concave surface that has watt shape at least one in described pressing plate and holder.
The end that described pressing plate makes progress in described housing footpath is articulated on described holder, and the other end is provided with pressing plate screw or follower bolt hole, has respectively the cooperation screw corresponding with described pressing plate screw, follower bolt hole, fitted bolt hole on holder.
The outer setting of described contact has insulating case, is provided with the through hole that passes through for described line pressing bolt on described insulating case.
The front end edge of described housing circumferentially has the district that steps down that passes through for the line pressing bolt of power-feed connector, and described stepping down distinguished the breach of stepping down that is provided with resigning hole or extends to the housing front end face; Described shielding part is sheathed on described insulating case, and the described district that steps down is corresponding with the position of described through hole.
Be provided with draw-in groove on described housing, be provided with corresponding card key on described insulating case, described housing and insulating case only screw and close.
Because shielding part of the present invention can be sheathed on the electric connector tail end, and be connected with the screen conduction of cable by described banding cover, be connected with the electric connector housing conduction by its housing, therefore the screen of cable effectively can be connected by electric connector housing, prevent that its shielding at the electric connector wiring place lost efficacy, can not prevent the problem of being struck by lightning thereby effectively solved existing electric connector.
Further, described pressing plate is articulated on described holder, conveniently compresses on the one hand cable shield, also prevented on the other hand the careless loss of pressing plate, increased globality and the compactedness of device; Described draw-in groove is set on described housing, can be used for only screwing with electric connector and close, prevent that housing is because of the electric leakage of rotation circuit for generating or short circuit phenomenon; Resigning hole or the opening of stepping down in described step down district and the district that steps down can facilitate being connected of electric connector and cable conductor, can not dismantle housing when wiring, realize that electric connector is connected with the quick of cable conductor.
Because electrical connector plug of the present invention arranges shielding part in its back-end, described shielding part can be connected with the screen conduction of cable by its banding cover, be connected with the electric connector housing conduction by its housing, therefore the screen of cable effectively can be connected by electric connector housing, prevent that its shielding at the electric connector wiring place lost efficacy, can not prevent the problem of being struck by lightning thereby effectively solved existing electric connector.
Further, described pressing plate is articulated on described holder, conveniently compresses on the one hand cable shield, also prevented on the other hand the careless loss of pressing plate, increased globality and the compactedness of device; Described draw-in groove is set on described housing, can be used for only screwing with electric connector and close, prevent that housing is because of the electric leakage of rotation circuit for generating or short circuit phenomenon; Resigning hole or the opening of stepping down in described step down district and the district that steps down can facilitate being connected of electric connector and cable conductor, can not dismantle housing when wiring, realize that electric connector is connected with the quick of cable conductor; Described insulating case can effectively prevent contact and plug casing and the unexpected conduction of shielding part of electrical connector plug, and leaky occurs, and guarantees the fail safe of electrical connector plug.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of shielding part of the present invention;
Fig. 2 is the structural representation of a kind of embodiment of electrical connector plug of the present invention;
Fig. 3 is that Fig. 2 splits schematic diagram;
Fig. 4 is shielding part of the present invention and the schematic diagram that coordinates of electrical connector plug;
Fig. 5 is the schematic diagram of Fig. 4 under another visual angle.
Embodiment
the embodiment 1 of shielding part of the present invention, as shown in Figure 1, has housing 1, be provided with on housing 1 for only to screw the opening 2(that closes certain with electric connector, can be also draw-in groove in other embodiments), the front end of housing 1 has the contact site that is connected for the housing conduction of electric connector, and contact site is the front end face of housing, front end edge on housing 1 circumferentially has the district that steps down, two places on its jacket wall, housing 1 is provided with respectively and extends to first of the housing front end face breach 3 of stepping down in its two step down district place, second breach 3 ' of stepping down, the breach of stepping down is used for the line pressing bolt of power-feed connector to be passed through, the rear end one conduction of housing 1 is connected with the banding cover, the banding cover is used for the screen periphery that hoop is located at cable, the screen of cable is connected with the housing conduction, the banding cover is comprised of holder 4 and pressing plate 5, wherein holder 4 is wholely set with housing 1, the end that pressing plate 5 makes progress in housing 1 footpath is articulated in holder 4, the other end only has screw, be provided with corresponding cooperation screw on holder 4, both connect by screw 6, the side that holder 4 is relative with pressing plate 5 is provided with corresponding watt shape recess, watt shape recess is used for and the cable shield good contact.
In above-described embodiment, the described breach of stepping down can also adopt resigning hole to replace; Described screw, coordinate screw can also adopt bolt hole, fitted bolt hole to replace, in such cases, described screw replaces by bolt; Can also with the two ends of holder, corresponding bolt connecting hole or screw be set all at described pressing plate, in such cases, in use can be by screw or the described pressing plate of the interim assembling of bolt.
the embodiment 1 of electrical connector plug of the present invention, as shown in Fig. 1-5, has plug casing 21, plug casing 21 is interior is provided with contact 22 along its axis direction, the rear end of contact 22 extends to plug casing 21 outsides and is provided with line pressing bolt 23, the outer front end of contact 22 is arranged with jack insulating cover 24, its rear end is arranged with insulating case 25, be provided with the through hole corresponding with line pressing bolt 23 on insulating case 25, jack insulating cover 24 and insulating case 25 are assembled to the rear integral body of contact 22 plug casing 21 of packing into, plug casing 21 is stretched out in the rear end of insulating case 25, simultaneously line pressing bolt 23 also is exposed to plug casing 21 outsides in plug casing 21 rear ends, also be provided with the card key 26 of extending along its axis direction on the jacket wall of insulating case 25, in addition, edge, the corresponding card key of insulating case 25 position circumferentially also is provided with retaining jump ring 27, and retaining jump ring 27 is used for described insulating case 25 is coordinated with the plug casing retaining, the outer cover of plug casing 21 is provided with adapter sleeve 28, adapter sleeve 28 is located on plug casing 21 from rear end to the front end sleeve of plug casing 21, the gear edge of turning in being provided with in its endoporus, have corresponding outer turning edge on plug casing 21, adapter sleeve 28 by its gear along coordinating with the outer block that turns edge on plug casing 21, the rear end of adapter sleeve 28 is sealed and matched by a Sealing shield ring 29 and plug casing 21, is top-loaded with spring 30 between Sealing shield ring 29 and described gear edge, the rear side of Sealing shield ring 29 is provided with jump ring 31, adapter sleeve 28 realizes that by jump ring 31 and plug casing 21 anticreep coordinates, the rear side of Sealing shield ring 29 has the enlarging step surface corresponding with jump ring 31, in the enlarging of jump ring 31 embedding sealing back-up rings 29, when needing the dismounting maintenance, only need the compression jump ring 31 can be with adapter sleeve 28, spring 30 and Sealing shield ring 19 overall pulling downs, easy to maintenance, the endoporus front end of adapter sleeve 28 has step inclined-plane 32, has on the front end outer wall of plug casing 21 along circumferentially being provided with annular ball-and-socket 33, the rear portion conduction of plug casing 21 is connected with shielding part 34, the structure of the shielding part in described shielding part 34 and the various embodiments described above is identical, the housing of shielding part 34 is sheathed on insulating case, the breach of stepping down (or resigning hole) in its district that steps down is corresponding with the position of line pressing bolt 23, the outer cup of shielding part 34 is provided with metal skirt, metal skirt reaches by sleeve 35 locking nut 36 that is threaded with the rear end of sleeve 35 and forms, the front end of sleeve 35 is threaded with the rear end of plug casing 21, be provided with the first sealing ring 37 both, the first sealing ring 37 adopts O-ring seals, in having, the rear end of locking nut 36 turns edge, be provided with sealing shroud 38 between the rear end of locking nut 36 and shielding part 34, the harmomegathus structure is adopted in the rear end of sealing shroud 38, specifically, be provided with the expansion joint of extending along the sealing shroud axis direction on the rear end jacket wall of sealing shroud 38, be provided with O-ring seal 39 in the rear end endoporus of sealing shroud 38, during use, the rear end of sealing shroud 38 is sealed and matched with the outside wall surface of O-ring seal 39 under the jam-packed active force of locking nut 36 and the internal face of O-ring seal 39 and the outer peripheral face of cable is compressed, thereby realize being sealed and matched, the front end sleeve of O-ring seal 39 is provided with the second sealing ring 40, the same O shape circle that adopts of the second sealing ring 40, shielding part 34 its front end under the pressure of metal skirt firmly contacts and conducts electricity with plug casing 21 and is connected, be provided with the annular knurl scale on the outer peripheral face of adapter sleeve 28, the annular knurl scale is used for measuring cable sheath, each length that need divest of insulating barrier and endothelium, be convenient to wiring, the novel electrical connector plug of this use in use, at first according to the annular knurl scale wire stripping on adapter sleeve 28, then the cable after stripping inserts shielding part 34 and contact 22 successively by metal skirt, then by line pressing bolt 23, wire is compressed, by shielding part 34, cable shield compressed and connect in plug casing 21 conductions, then respectively with sleeve 35 and locking nut 36 is fixing gets final product.

Claims (4)

1. shielding part, it is characterized in that: comprise housing and be used for banding and conduct electricity the banding cover that is connected in cable shield, described housing and banding put the cable passage with mutual perforation, and the front end of described housing has the contact site that is connected for the electric connector housing conduction, described banding cover comprises that one is connected in the holder of housing rear end and is used for fastening with holder the pressing plate of the screen of institute's threading cable in banding described cable passage, the concave surface that has watt shape at least one in described pressing plate and holder, described housing is enclosed within on the insulating case of electric connector in use, be provided with on the jacket wall of housing for only revolving with electric connector the opening that card is joined, the front end edge of described housing circumferentially has the district that steps down, two places on its jacket wall, shielding is placed in step down district place, its two place and is provided with respectively and extends to first of housing front end face breach and second breach of stepping down of stepping down, the breach of stepping down is used for the line pressing bolt of power-feed connector to be passed through, described open rearward end extends to the housing rear end face, described open front and first breach of stepping down is communicated with and makes described opening connect housing on fore-and-aft direction.
2. shielding part according to claim 1, it is characterized in that: the end that described pressing plate makes progress in described housing footpath is articulated on described holder, the other end is provided with pressing plate screw or follower bolt hole, has respectively the cooperation screw corresponding with described pressing plate screw, follower bolt hole, fitted bolt hole on holder.
3. electrical connector plug, comprise plug casing, be provided with vertically contact in described plug casing, the rear end of described contact is provided with line pressing bolt, it is characterized in that: described electrical connector plug is provided with shielding part in the rear end of its contact, described shielding part comprises housing, is connected in the banding cover of cable shield and runs through described housing and the cable passage of banding cover for banding and conduction, and the front end of described housing conducts electricity with electric connector housing and is connected, described banding cover comprises that one is connected in the holder of housing rear end and is used for fastening with holder the pressing plate of the screen of institute's threading cable in banding described cable passage, the concave surface that has watt shape at least one in described pressing plate and holder, the outer setting of described contact has insulating case, be provided with the through hole that passes through for described line pressing bolt on described insulating case, the front end edge of described housing circumferentially has the district that steps down, two places on its jacket wall, shielding is placed in step down district place, its two place and is provided with respectively and extends to first of housing front end face breach and second breach of stepping down of stepping down, the breach of stepping down is used for the line pressing bolt of power-feed connector to be passed through, described shielding part is sheathed on described insulating case, the described district that steps down is corresponding with the position of described through hole, be provided with on the jacket wall of described housing for only revolving with electric connector the opening that card is joined, be provided with corresponding card key on described insulating case, described housing and insulating case only screw and close, described open rearward end extends to the housing rear end face, described open front and first breach of stepping down is communicated with and makes described opening connect housing on fore-and-aft direction.
4. electrical connector plug according to claim 3, it is characterized in that: the end that described pressing plate makes progress in described housing footpath is articulated on described holder, the other end is provided with pressing plate screw or follower bolt hole, has respectively the cooperation screw corresponding with described pressing plate screw, follower bolt hole, fitted bolt hole on holder.
CN 201110038334 2011-02-15 2011-02-15 Shielding element and electrical connector plug using same Expired - Fee Related CN102170075B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110038334 CN102170075B (en) 2011-02-15 2011-02-15 Shielding element and electrical connector plug using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110038334 CN102170075B (en) 2011-02-15 2011-02-15 Shielding element and electrical connector plug using same

Publications (2)

Publication Number Publication Date
CN102170075A CN102170075A (en) 2011-08-31
CN102170075B true CN102170075B (en) 2013-06-19

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103094746B (en) * 2011-11-04 2015-08-19 上海热丽科技集团有限公司 A kind of special connector of self-heating floor and processing method thereof
ES2547260A1 (en) 2014-04-01 2015-10-02 Te Connectivity Amp España, S.L.U. Shielded telecommunication connector (Machine-translation by Google Translate, not legally binding)
CN106207642A (en) * 2016-08-26 2016-12-07 珠海格力电器股份有限公司 A kind of metallic shield joint and locking wire terminal thereof
CN111009778B (en) * 2019-12-09 2021-06-15 中航光电科技股份有限公司 Connector shielding sealing structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5186186B2 (en) * 2007-11-15 2013-04-17 矢崎総業株式会社 Shield shell mounting structure
CN201490471U (en) * 2009-08-26 2010-05-26 合兴集团汽车电子有限公司 Connector with shielding case
CN201584588U (en) * 2009-12-02 2010-09-15 安费诺精密连接器(深圳)有限公司 Cable connector capable of proofing lightning and shielding high current
CN101888043A (en) * 2010-06-21 2010-11-17 贵州航天电器股份有限公司 Shielding termination accessory
CN201732943U (en) * 2010-07-30 2011-02-02 沈阳兴华航空电器有限责任公司 TVS tube lightning-protection connector
CN202025947U (en) * 2011-02-15 2011-11-02 中航光电科技股份有限公司 Shielding component and electric connector plug using the same

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Granted publication date: 20130619

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