CN106654758A - Self-cleaning cable connector - Google Patents

Self-cleaning cable connector Download PDF

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Publication number
CN106654758A
CN106654758A CN201611062789.9A CN201611062789A CN106654758A CN 106654758 A CN106654758 A CN 106654758A CN 201611062789 A CN201611062789 A CN 201611062789A CN 106654758 A CN106654758 A CN 106654758A
Authority
CN
China
Prior art keywords
contact pin
conducting
plug
conductive core
conductive
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.)
Granted
Application number
CN201611062789.9A
Other languages
Chinese (zh)
Other versions
CN106654758B (en
Inventor
范应璞
彭嵩
马汝涛
侯福祥
王宏伟
张全立
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 National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
Beijing Petroleum Machinery Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Drilling Research Institute 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 National Petroleum Corp, CNPC Drilling Research Institute Co Ltd filed Critical China National Petroleum Corp
Priority to CN201611062789.9A priority Critical patent/CN106654758B/en
Publication of CN106654758A publication Critical patent/CN106654758A/en
Application granted granted Critical
Publication of CN106654758B publication Critical patent/CN106654758B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219Sealing means between coupling parts, e.g. interfacial seal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/533Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/60Connections between or with tubular conductors

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention relates to a self-cleaning cable connector comprising a socket structure and a plug structure. The socket structure comprises a pin portion. One end of the pin portion is fixedly sleeved by a flexible socket insulation sheath. One end of the pin portion is electrically connected with a first cable. The position where the pin portion is electrically connected with the first cable is a first connection portion. The socket insulation sheath is disposed on the outer side of the first connection portion in a sealed wrapping way. The plug structure comprises a plug conductive portion one end of which is electrically connected to a second cable. The position where the plug conductive portion is electrically connected with the second cable is a second connection portion. A flexible plug insulating sheath is disposed on the outer sides of the plug conductive portion and the second connection portion in a sealed wrapping way. One end of the plug insulating sheath extends to the direction of the plug conductive portion to be provided with an insertion hole. The insertion hole has an inner diameter smaller than the outer diameter of the pin portion. The self-cleaning cable connector has simple structure, and the interconnection of the flexible structure and the rigid structure enables self-cleaning of the cable connector during a plug in/out process.

Description

Automatically cleaning cable connector
Technical field
The present invention relates to petroleum industry natural gas drilling and extracting equipment technical field, more particularly to a kind of automatically cleaning cable connection Device.
Background technology
The invention of electrodrill drilling technology has the history of more than 100 years, but due to being limited by technical merit, down-hole electricity The concern that dynamic drilling tool just causes international drilling well circle in several years up to date.As the western countries such as Russia and U.S. electrodrill is bored The application of well technology, embodies more and more its advantage:Downhole electric drilling tool does not drive by drilling fluid, therefore with than down-hole Turbodrill and the wider use range of down-hole helicoid hydraulic motor and lower drilling cost.Drive the energy of mud motor Transmitted by drilling fluid, air or cable, and the use of downhole cable, the transmission for the power on well and down-hole information is provided Platform, will be that the development of the downhole electric drilling tool technology being gradually improved lays the foundation.
In electrodrill well system, usually, special cable is installed on drilling rod and special male and female coupling cable connects Connect device to be attached.During operation, cable connector is realized in well head using rotation docking mode, is placed in environment under high pressure after connection again Under drilling fluid in work.But in shaft mouth operation, cable connector is necessarily polluted by drilling fluid, common cable connection Device cannot realize the needs of multiple plug due to pollution.In order to ensure the conveying and the transmission of control signal of electrodrill electric power, Need the cable connector with self-cleaning function, it is ensured that the highly reliable plug connection during wireline operation.
Thus, the present inventor proposes a kind of automatically cleaning cable connection by the experience and practice of being engaged in relevant industries for many years Device, to meet the reliability requirement of plug connection during shaft mouth operation.
The content of the invention
It is an object of the invention to provide a kind of automatically cleaning cable connector, overcomes common cable adapter in prior art Polluted in operation process and the problem of highly reliable plug cannot be realized.The simple structure of the cable connector, flexible structure With the automatically cleaning for being connected with each other the cable connector that can be realized in swapping process of rigid structure.
The object of the present invention is achieved like this, a kind of automatically cleaning cable connector, the automatically cleaning cable connector bag Socket and plug construction are included, the socket is included for conductive contact pin portion, one end fixed cover in the contact pin portion If resilient socket insulating sheath, the one end in the contact pin portion electrically connects with the first cable, set the contact pin portion with it is described The position of the first cable electrical connection is first connecting portion, and the socket insulating sheath sealing is coatedly arranged on first connection The outside in portion;The plug construction includes plug conducting portion, and the one end in the plug conducting portion electrically connects with the second cable, sets The position that the plug conducting portion electrically connects with second cable be second connecting portion, the plug conducting portion and described second The outer side seal of connecting portion coatedly arranges resilient plug insulating sheath, and one end of the plug insulating sheath is inserted to described The direction insertion of head conductive part is extended the spliced eye that can clean contact pin portion outer wall, and the internal diameter of the spliced eye is less than The external diameter in the contact pin portion.
In a better embodiment of the present invention, the contact pin portion include that spaced and mutually insulated arranges the The first core in one contact pin conductive core and the second contact pin conductive core, one end of the first contact pin conductive core and first cable Line is electrically connected, and one end of the second contact pin conductive core electrically connects with the second heart yearn in first cable.
In a better embodiment of the present invention, the other end of the first contact pin conductive core be provided with external diameter increase and First cylinder of relatively described first heart yearn eccentric setting, the side wall of first cylinder constitutes the first conducting contact; Be provided with the first through hole on first cylinder, one end of the second contact pin conductive core through first through hole with The second heart yearn electrical connection, mutually insulated between the side wall of the second contact pin conductive core and the side wall of first through hole Interval, the second contact pin conductive core is provided with the of relatively described second heart yearn eccentric setting away from one end of second heart yearn Two cylinders, second cylinder is located at first cylinder away from the side of first heart yearn and with described first Cylinder is coaxially disposed, and the external diameter of second cylinder is identical with the external diameter of first cylinder, second cylinder Side wall constitute the second conducting contact.
In a better embodiment of the present invention, the first contact pin conductive core and the second contact pin conductive core are adopted Lead and yellow-collation copper product, the surface of the lead and yellow-collation copper product adopts silver-plated process.
In a better embodiment of the present invention, between the first contact pin conductive core and the second contact pin conductive core Intermediate seal insulating barrier is provided with, the first contact pin conductive core and the second contact pin conductive core pass through conductive core insulating unit Plastic compression constitutes the contact pin portion, and the conductive core insulating unit is coaxially disposed with first cylinder.
In a better embodiment of the present invention, the conductive core insulating unit is that fire resistant epoxy molds material unit.
In a better embodiment of the present invention, the plug conducting portion includes that spaced and mutually insulated is arranged The first conductive part and the second conductive part, one end of first conductive part is electrically connected with the 3rd heart yearn in second cable Connect, one end of second conductive part electrically connects with the quad in second cable.
In a better embodiment of the present invention, first conductive part include being electrically connected with the 3rd heart yearn and Another end opening is closed in first conducting ring of relatively described 3rd heart yearn eccentric setting, one end of first conducting ring, described The other end interior contact of the first conducting ring is arranged with the first hat spring for plugging electrical connection first conducting contact, institute State the first hat spring and match setting with first conducting contact;
Second conductive part include with the quad electrical connection, the relative quad eccentric setting second Conducting ring, second conducting ring is coaxial with first conducting ring inside first conducting ring and insulation gap sets Put, second conducting ring is arranged with the described first hat spring axially spaced-apart, one end closing other end of second conducting ring is opened Mouthful, the interior contact of second conducting ring is arranged with the second hat spring for plugging electrical connection second conducting contact, The second hat spring matches setting with second conducting contact;
The second hat spring, the first hat spring and the coaxial insertion of the spliced eye are arranged.
In a better embodiment of the present invention, one end of the described first conductive ring seal stretches out and is provided with and institute State the first conductive core pole that the 3rd heart yearn is coaxially disposed and electrically connects with the 3rd heart yearn;Described first conductive ring seal One end is provided with the second through hole, one end of the described second conductive ring seal stretch out be provided with it is coaxial with the quad The second conductive core pole for arranging and electrically connecting with the quad through second through hole, second conductive core pole Side wall and the side wall of second through hole between mutually insulated interval.
In a better embodiment of the present invention, the other end contact of first conducting ring is arranged with the first hat spring set Cylinder, it is described first hat spring sleeve in contact is arranged it is described first hat spring, it is described first hat spring sleeve and second conducting ring it Between be provided with the first insulation sleeve, first insulation sleeve is internally provided with and insertion coaxial with the spliced eye is arranged first Conducting ring insulation is provided between the outer wall of insulation sleeve through hole, the inwall of first conducting ring and second conducting ring single Unit.
In a better embodiment of the present invention, the outside of the socket insulating sheath and the plug insulating sheath is equal It is arranged with mounting ear structure.
In a better embodiment of the present invention, the socket insulating sheath and the plug insulating sheath are sulfuration Rubber structure.
From the above mentioned, the automatically cleaning cable connector that the present invention is provided, socket molds material list using fire resistant epoxy Two contact pin conductive cores are inlayed plastic compression together by unit, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, category The interference fit between flexible structure, the contact pin portion of socket and the spliced eye of plug construction, the aperture of spliced eye is slightly less than The diameter in contact pin portion, the greasy dirt silt in contact pin portion is wiped off during the plugging together of cable connector by the rubber of spliced eye, this The automatically cleaning cable connector of bright offer make use of the elasticity of elastomeric material, hard and soft plugging together to reach self-cleaning purpose;The present invention Automatically cleaning cable connector in, in order to lift the automatically cleaning effect of cable connector, when contact pin portion is plugged together in spliced eye Spiral promotion, using eccentric connection between contact pin portion and the first cable, between plug conducting portion and the second cable, and contact pin portion It is arranged concentrically with plug conducting portion;The automatically cleaning cable connector of the present invention plugs together sealing, good insulation preformance, realizes electronic The automatically cleaning cable connector for having higher reliability, the present invention while conveying of drilling tool electric power and the transmission of control signal exists Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
Description of the drawings
The following drawings is only intended in schematic illustration and explanation is done to the present invention, is not delimit the scope of the invention.Wherein:
Fig. 1 a:For the structural representation of the socket of the present invention.
Fig. 1 b:For the structural representation in the contact pin portion of the socket of the present invention.
Fig. 2 a:For the structural representation of the plug construction of the present invention.
Fig. 2 b:For the structural representation in the plug conducting portion of the plug construction of the present invention.
Fig. 3 a:For the socket and plug construction socket plug together process schematic of the present invention.
Fig. 3 b:Socket and plug construction for the present invention plugs together rear schematic diagram.
Fig. 3 c:Socket and plug construction for the present invention plugs together schematic diagram at rear spliced eye.
In figure:
1st, socket;
11st, contact pin portion;
111st, the first contact pin conductive core;1111st, the first cylinder;1112nd, the first through hole;
112nd, the second contact pin conductive core;1121st, the second cylinder;
113rd, the first conducting contact;
114th, the second conducting contact;
115th, intermediate seal insulating barrier;
116th, conductive core insulating unit;
12nd, socket insulating sheath;
2nd, plug construction;
21st, plug insulating sheath;211st, spliced eye;
22nd, plug conducting portion;
221st, the first conductive part;2211st, the first conducting ring;2212nd, the first conductive core pole;2213rd, the second through hole; 2214th, the first hat spring sleeve;
222nd, the second conductive part;2221st, the second conducting ring;2222nd, the second conductive core pole;
223rd, the first hat spring;
224th, the second hat spring;
225th, the first insulation sleeve;2251st, the first insulation sleeve through hole;
226th, conducting ring insulating unit;
3rd, the first cable;31st, the first heart yearn;32nd, the second heart yearn;
4th, the second cable;41st, the 3rd heart yearn;42nd, quad;
5th, mounting ear structure.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now control illustrates this Bright specific embodiment.
As shown in Fig. 1 a, Fig. 1 b, Fig. 2 a, Fig. 2 b, Fig. 3 a, Fig. 3 b, Fig. 3 c, the invention provides a kind of automatically cleaning cable connects Device is connect, automatically cleaning cable connector includes that socket 1 and plug construction 2 (in this area, are generally defined in cable connection structure The structure of geo-stationary is socket, and the structure of relative motion is plug construction), socket 1 includes being inserted for conductive The socket insulating sheath 12 for being arranged with elasticity, the one end in contact pin portion 11 and the first cable 3 are fixed in pin portion 11, the one end in contact pin portion 11 Electrical connection, set position that contact pin portion 11 electrically connects with the first cable 3 as first connecting portion, and socket insulating sheath 12 is sealed and coated Be arranged on the outside of first connecting portion;Plug construction 2 includes plug conducting portion 22, and the one end in plug conducting portion 22 is electric with second Cable 4 is electrically connected, and sets position that plug conducting portion 22 electrically connects with the second cable 4 as second connecting portion, the He of plug conducting portion 22 The outer side seal of second connecting portion coatedly arranges resilient plug insulating sheath 21, and one end of plug insulating sheath 21 is to inserting The direction insertion of head conductive part 22 is extended the spliced eye 211 that can clean the outer wall of contact pin portion 11, and spliced eye 211 is led with plug The connection of electric portion 22 is arranged, in a specific embodiment of the present invention, to the seal request of cable connector be plug together after bear The hydrostatic pressure of 70MPa, the inside for having resilient plug insulating sheath 21 is arranged on as the spliced eye 211 for plugging together interface, Can realize that the flowing that fluid is blocked or controlled under plugging state reaches the requirement of sealing;The internal diameter of spliced eye 211 is less than contact pin The external diameter in portion 11, in the present embodiment, as shown in Fig. 3 a, Fig. 3 c, is provided with the spiral of projection on the inwall of spliced eye 211 Line, during realizing plugging together, spliced eye 211 plays good sealing effectiveness after plugging together.In the present embodiment, first is electric The cable 4 of cable 3 and second is armored cable.In the automatically cleaning cable connector that the present invention is provided, contact pin subordinate in socket 1 Externally-located plug insulating sheath 21 in rigid structure, plug construction 2 is integrally formed by the vulcanization of rubber, belongs to flexible knot Structure, interference fit between the contact pin portion 11 of socket 1 and the spliced eye 211 of plug construction 2, the i.e. aperture of spliced eye 211 is little In the external diameter in contact pin portion 11, the greasy dirt silt in contact pin portion 11 is wiped off by the rubber at spliced eye 211 during plugging together and (plugged together Journey is as shown in Figure 3 a), it is ensured that cable connector is normally used in silt water environment;The automatically cleaning cable that the present invention is provided connects The elasticity that device make use of elastomeric material is connect, hard and soft plugging together reaches self-cleaning purpose.
Further, as shown in Figure 1 a, 1 b, contact pin portion 11 includes the first contact pin that spaced and mutually insulated is arranged The first heart yearn 31 in the contact pin conductive core 112 of conductive core 111 and second, one end of the first contact pin conductive core 111 and the first cable 3 Electrical connection, one end of the second contact pin conductive core 112 electrically connects with the second heart yearn 32 in the first cable 3.The contact pin in contact pin portion 11 The quantity of conductive core can also be 3 and more than, particular number determines according to the heart yearn quantity Matching in the cable of actual connection.
Further, as shown in Figure 1 a, 1 b, the other end of the first contact pin conductive core 111 is provided with external diameter increase and relative the First cylinder 1111 of the eccentric setting of one heart yearn 31, the side wall of the first cylinder 1111 constitutes the first conducting contact 113;The The first through hole 1112 is provided with one cylinder 1111, one end of the second contact pin conductive core 112 passes through the first through hole 1112 Electrically connect with the second heart yearn 32, mutually insulated between the side wall of the side wall of the second contact pin conductive core 112 and the first through hole 1112 Interval, the second contact pin conductive core 112 is provided with the second circle of the relative eccentric setting of second heart yearn 32 away from one end of the second heart yearn 32 Cylinder 1121, the second cylinder 1121 be located at the first cylinder 1111 away from the side of the first heart yearn 31 and with the first cylinder 1111 are coaxially disposed, and the external diameter of the second cylinder 1121 is identical with the external diameter of the first cylinder 1111, the second cylinder 1121 Side wall constitutes the second conducting contact 114.First conducting contact 113 and the second conducting contact 114 are coaxially disposed, it is ensured that insert Pin portion 11 can smoothly enter into and through the function that conduction is completed after spliced eye 211.
In the present embodiment, the first contact pin conductive core 111 and the second contact pin conductive core 112 adopt lead and yellow-collation copper product, lead The surface that brass material has good intensity, electric conductivity and processing technology, lead and yellow-collation copper product adopts silver-plated process, conductive Property, non-oxidizability and welding performance are excellent.
Further, as shown in Figure 1 a, 1 b, it is provided between the first contact pin conductive core 111 and the second contact pin conductive core 112 Intermediate seal insulating barrier 115, intermediate seal insulating barrier 115 ensure that the insulating properties between two contact pin conductive cores and sealing Property.First contact pin conductive core 111 and the second contact pin conductive core 112 are integrated composition and insert by the plastic compression of conductive core insulating unit 116 Pin portion 11, conductive core insulating unit 116 is coaxially disposed with the first cylinder 1111.
In the present embodiment, conductive core insulating unit 116 is that fire resistant epoxy molds material unit, fire resistant epoxy molding Material insulation, pressure excellent performance, completed state is good.
Further, as shown in Fig. 2 a, Fig. 2 b, plug conducting portion 22 includes first that spaced and mutually insulated is arranged The conductive part 222 of conductive part 221 and second, one end of the first conductive part 221 electrically connects with the 3rd heart yearn 41 in the second cable 4, One end of second conductive part 222 electrically connects with the quad 42 in the second cable 4.
Further, as shown in Fig. 2 a, Fig. 2 b, the first conductive part 221 includes being electrically connected with the 3rd heart yearn 41 and the relative 3rd Close another end opening, the first conducting ring in first conducting ring 2211 of the eccentric setting of heart yearn 41, one end of the first conducting ring 2211 2211 other end interior contact is arranged with the first hat spring 223 for plugging the first conducting contact 113 of electrical connection, the first hat Spring 223 matches setting with the first conducting contact 113, and as shown in Figure 3 b, the automatically cleaning cable connector of the present invention is plugging together shape Under state, the first heart yearn 31 in the first cable 3 is by the first conducting contact 113, the plug construction 2 in socket 1 First hat spring 223 realizes the electrical connection with the 3rd heart yearn 41 in the second cable 4;
Second conductive part 222 includes being electrically connected with quad 42, the relative eccentric setting of quad 42 it is second conductive Ring 2221, the second conducting ring 2221 is located inside the first conducting ring 2211 coaxial with the first conducting ring 2211 and insulation gap sets Put, the second conducting ring 2221 and the first hat spring 223 axially spaced-apart are arranged, one end closing other end of the second conducting ring 2221 is opened Mouthful, the interior contact of the second conducting ring 2221 is arranged with the second hat spring for plugging the second conducting contact 114 of electrical connection 224, the second hat spring 224 matches setting with the second conducting contact 114, as shown in Figure 3 b, the automatically cleaning cable connection of the present invention Under plugging state, the second heart yearn 32 in the first cable 3 is by the second conducting contact 114, plug in socket 1 for device In structure 2 second hat spring 224 realize with the second cable 4 in quad 42 electrical connection (during being plugged together, Power supply is to disconnect);
As shown in Fig. 2 a, Fig. 2 b, the second hat spring 224, first hat spring 223 and the coaxial insertion of spliced eye 211 are arranged, contact pin portion 11 the first conducting contact 113 and the second conducting contact 114 are preced with respectively through spliced eye 211 with the first hat spring 223, second The contact electrical connection of spring 224.
Further, as shown in Fig. 2 a, Fig. 2 b, one end of the closing of the first conducting ring 2211 stretches out and is provided with and the 3rd core The first conductive core pole 2212 that line 41 is coaxially disposed and electrically connects with the 3rd heart yearn 41;One end of the closing of first conducting ring 2211 The second through hole 2213 is provided with, one end of the closing of the second conducting ring 2221 stretches out to be provided with and coaxially sets with quad 42 The second conductive core pole 2222 put and electrically connect with quad 42 through the second through hole 2213, the second conductive core pole 2222 Side wall and the side wall of the second through hole 2213 between mutually insulated interval.
Further, as shown in Fig. 2 a, Fig. 2 b, the other end contact of the first conducting ring 2211 is arranged with the first hat spring sleeve 2214, contact in the first hat spring sleeve 2214 is arranged the first hat spring 223, the first hat spring sleeve 2214 and second conducting ring 2221 it Between be provided with the first insulation sleeve 225, be internally provided with that and insertion coaxial with spliced eye 211 arrange the of the first insulation sleeve 225 It is exhausted conducting ring to be provided between the outer wall of one insulation sleeve through hole 2251, the inwall of the first conducting ring 2211 and the second conducting ring 2221 Edge unit 226.
As shown in Fig. 1 a, Fig. 2 a, in the present embodiment, for the ease of installing connection, socket insulating sheath 12 and plug The outside of insulating sheath 21 is arranged with mounting ear structure 5.In the present embodiment, mounting ear structure 5 adopts stainless steel material, Concrete material can be 022Cr17Ni 12Mo2 rustless steels, also referred to as titanium steel, and titanium steel hardness is high and with good corrosion-resistant Property, the use requirement under silt water environment can be met.
Further, socket insulating sheath 12 and plug insulating sheath 21 are vulcanite structure.In the present embodiment, Vulcanite adopts cold 63-1, and its completed state is good, strong with metal adhesive, good sealing effect.In the present embodiment, insert In holder structure 1, the first contact pin conductive core 111 and the second contact pin conductive core 112 are consisted of the plastic compression of conductive core insulating unit 116 and inserted Pin portion 11, contact pin portion 11 fixes with the first cable 3 and electrically connects, and carries out overall sulfuration composition using vulcanization of rubber mode after connection and inserts Seat insulating sheath 12, socket insulating sheath 12 realizes the sealing of the first connecting portion between the cable 3 of contact pin portion 11 and first and protects Shield;In plug construction 2, complete to be dielectrically separated from assembling between the first conductive part 221, second conductive part 222 in plug conducting portion 22 Afterwards, the first conducting ring 2211, the second conducting ring 2221 are electrically connected with the second cable 4, overall sulfuration composition plug are carried out afterwards exhausted Edge sheath 21, while forming spliced eye 211 in sulfidation, plug insulating sheath 21 is realized to plug conducting portion 22 and the The sealing protection of the second connecting portion of the electrical connection of two cable 4.In socket 1 and plug construction 2, the socket for taking full advantage of is exhausted The tensility of the elastomeric material of edge sheath 12 and plug insulating sheath 21, to realize rigid flexible system during plugging together, reach certainly The function of cleaning.
From the above mentioned, the automatically cleaning cable connector that the present invention is provided, socket molds material list using fire resistant epoxy Two contact pin conductive cores are inlayed plastic compression together by unit, belong to rigid structure, and plug construction is integrally formed using the vulcanization of rubber, category The interference fit between flexible structure, the contact pin portion of socket and the spliced eye of plug construction, the aperture of spliced eye is slightly less than The diameter in contact pin portion, the greasy dirt silt in contact pin portion is wiped off during the plugging together of cable connector by the rubber of spliced eye, this The automatically cleaning cable connector of bright offer make use of the elasticity of elastomeric material, hard and soft plugging together to reach self-cleaning purpose;The present invention Automatically cleaning cable connector in, in order to lift the automatically cleaning effect of cable connector, when contact pin portion is plugged together in spliced eye Spiral promotion, using eccentric connection between contact pin portion and the first cable, between plug conducting portion and the second cable, and contact pin portion It is arranged concentrically with plug conducting portion;The automatically cleaning cable connector of the present invention plugs together sealing, good insulation preformance, realizes electronic The automatically cleaning cable connector for having higher reliability, the present invention while conveying of drilling tool electric power and the transmission of control signal exists Have broad application prospects on petroleum industry natural gas drilling and extracting equipment.
Schematically specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, done equivalent variations and modification on the premise of the design without departing from the present invention and principle, The scope of protection of the invention should be belonged to.

Claims (12)

1. a kind of automatically cleaning cable connector, it is characterised in that the automatically cleaning cable connector includes socket and plug Structure, the socket includes for conductive contact pin portion, the one end in the contact pin portion fix be arranged with elasticity socket it is exhausted Edge sheath, the one end in the contact pin portion electrically connects with the first cable, sets what the contact pin portion electrically connected with first cable Position is first connecting portion, and the socket insulating sheath sealing is coatedly arranged on the outside of the first connecting portion;It is described to insert Header structure includes plug conducting portion, and the one end in the plug conducting portion electrically connects with the second cable, sets the plug conducting portion The position electrically connected with second cable is close for the outside of second connecting portion, the plug conducting portion and the second connecting portion Envelope coatedly arranges resilient plug insulating sheath, the direction of one end of the plug insulating sheath to the plug conducting portion Insertion is extended the spliced eye that can clean contact pin portion outer wall, and the internal diameter of the spliced eye is outer less than the contact pin portion Footpath.
2. automatically cleaning cable connector as claimed in claim 1, it is characterised in that the contact pin portion include it is spaced and The first contact pin conductive core and the second contact pin conductive core that mutually insulated is arranged, one end of the first contact pin conductive core and described the The first heart yearn electrical connection in one cable, one end of the second contact pin conductive core is electric with the second heart yearn in first cable Connection.
3. automatically cleaning cable connector as claimed in claim 2, it is characterised in that the other end of the first contact pin conductive core The first cylinder of external diameter increase and relatively described first heart yearn eccentric setting is provided with, the side wall of first cylinder is constituted First conducting contact;The first through hole is provided with first cylinder, one end of the second contact pin conductive core passes through First through hole is electrically connected with second heart yearn, the side wall of the second contact pin conductive core and first through hole Mutually insulated interval between the wall of side, the second contact pin conductive core is provided with relatively described second away from one end of second heart yearn Second cylinder of heart yearn eccentric setting, second cylinder is located at first cylinder away from the one of first heart yearn Side and it is coaxially disposed with first cylinder, the external diameter of second cylinder is identical with the external diameter of first cylinder, The side wall of second cylinder constitutes the second conducting contact.
4. automatically cleaning cable connector as claimed in claim 3, it is characterised in that the first contact pin conductive core and described Two contact pin conductive cores adopt lead and yellow-collation copper product, and the surface of the lead and yellow-collation copper product adopts silver-plated process.
5. automatically cleaning cable connector as claimed in claim 3, it is characterised in that the first contact pin conductive core and described Intermediate seal insulating barrier is provided between two contact pin conductive cores, the first contact pin conductive core and the second contact pin conductive core are logical Cross conductive core insulating unit plastic compression and constitute the contact pin portion, the conductive core insulating unit coaxially sets with first cylinder Put.
6. automatically cleaning cable connector as claimed in claim 5, it is characterised in that the conductive core insulating unit is high temperature resistant Epoxy mold material unit.
7. automatically cleaning cable connector as claimed in claim 3, it is characterised in that the plug conducting portion includes mutual Every and mutually insulated arrange the first conductive part and the second conductive part, one end of first conductive part and second cable Interior the 3rd heart yearn electrical connection, one end of second conductive part electrically connects with the quad in second cable.
8. automatically cleaning cable connector as claimed in claim 7, it is characterised in that first conductive part includes and described The electrical connection of three heart yearns and the first conducting ring of relatively described 3rd heart yearn eccentric setting, one end closing of first conducting ring Another end opening, the other end interior contact of first conducting ring is arranged with for plugging electrical connection first conductive contact First hat spring of body, the first hat spring matches setting with first conducting contact;
Second conductive part include with quad electrical connection, the relative quad eccentric setting it is second conductive Ring, second conducting ring is located at coaxial with first conducting ring inside first conducting ring and insulation gap and arranges, institute State the second conducting ring to arrange with the described first hat spring axially spaced-apart, another end opening, institute are closed in one end of second conducting ring The interior contact for stating the second conducting ring is arranged with the second hat spring for plugging electrical connection second conducting contact, and described the Two hat springs match setting with second conducting contact;
The second hat spring, the first hat spring and the coaxial insertion of the spliced eye are arranged.
9. automatically cleaning cable connector as claimed in claim 8, it is characterised in that one end of the described first conductive ring seal to Outer extension is provided with the first conductive core pole for being coaxially disposed with the 3rd heart yearn and electrically connecting with the 3rd heart yearn;It is described One end of first conductive ring seal is provided with the second through hole, one end of the described second conductive ring seal stretch out be provided with The second conductive core pole that the quad is coaxially disposed and electrically connects with the quad through second through hole, Mutually insulated interval between the side wall of the side wall of second conductive core pole and second through hole.
10. automatically cleaning cable connector as claimed in claim 9, it is characterised in that another termination of first conducting ring Touch and be arranged with the first hat spring sleeve, contact in the first hat spring sleeve is arranged the first hat spring, the first hat spring sleeve The first insulation sleeve is provided with and second conducting ring between, being internally provided with for first insulation sleeve is same with the spliced eye The first insulation sleeve through hole that axle and insertion are arranged, sets between the inwall of first conducting ring and the outer wall of second conducting ring It is equipped with conducting ring insulating unit.
11. automatically cleaning cable connectors as claimed in claim 1, it is characterised in that the socket insulating sheath and it is described insert The outside of head insulating sheath is arranged with mounting ear structure.
The 12. automatically cleaning cable connectors as described in any one of claim 1 to 11, it is characterised in that the socket insulation shield Set and the plug insulating sheath are vulcanite structure.
CN201611062789.9A 2016-11-28 2016-11-28 Automatically cleaning cable connector Active CN106654758B (en)

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Publication number Priority date Publication date Assignee Title
CN107701120A (en) * 2017-10-31 2018-02-16 中国石油天然气集团公司 The drilling rod of electric bottom hole drilling
CN107732504A (en) * 2017-09-29 2018-02-23 沈阳兴华航空电器有限责任公司 Rotary type self-cleaning electric connector
CN109802270A (en) * 2019-01-16 2019-05-24 苏州华旃航天电器有限公司 A kind of multi-core coaxial conversation sealing electric connector and manufacture craft
CN109861023A (en) * 2018-11-19 2019-06-07 株洲时代龙友科技有限公司 Electric connector

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CN203481508U (en) * 2013-08-21 2014-03-12 沈阳兴华航空电器有限责任公司 Underwater plugging contact body cable assembly
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GB639979A (en) * 1948-07-28 1950-07-12 Victor Products Ltd Improvements relating to plug and socket connectors for electric cables
GB959500A (en) * 1962-01-31 1964-06-03 Novano Ltd Improvements relating to plug and socket connectors intended mainly for use in punched-hole card tabulating or data recording machines
FR2379179A1 (en) * 1977-01-28 1978-08-25 Drogo Pierre Industrial type electrical plug and socket connector - has self cleaning electrical contacts and is designed for easy removal of surfaces on two parts
US5171158A (en) * 1990-04-11 1992-12-15 Cairns James L Underwater multiple contact electrical connector
US5389003A (en) * 1993-09-13 1995-02-14 Scientific Drilling International Wireline wet connection
CN1199255A (en) * 1997-02-19 1998-11-18 施卢默格海外有限公司 Female wet connector
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* Cited by examiner, † Cited by third party
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CN107732504A (en) * 2017-09-29 2018-02-23 沈阳兴华航空电器有限责任公司 Rotary type self-cleaning electric connector
CN107701120A (en) * 2017-10-31 2018-02-16 中国石油天然气集团公司 The drilling rod of electric bottom hole drilling
CN109861023A (en) * 2018-11-19 2019-06-07 株洲时代龙友科技有限公司 Electric connector
CN109802270A (en) * 2019-01-16 2019-05-24 苏州华旃航天电器有限公司 A kind of multi-core coaxial conversation sealing electric connector and manufacture craft

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