CN106099520A - Electrodrill cable elasticity helps sealing structure - Google Patents

Electrodrill cable elasticity helps sealing structure Download PDF

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Publication number
CN106099520A
CN106099520A CN201610609771.XA CN201610609771A CN106099520A CN 106099520 A CN106099520 A CN 106099520A CN 201610609771 A CN201610609771 A CN 201610609771A CN 106099520 A CN106099520 A CN 106099520A
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CN
China
Prior art keywords
cable
female
peg
conducting strip
connection
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
CN201610609771.XA
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Chinese (zh)
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CN106099520B (en
Inventor
王宏伟
张全立
朱英杰
包文涛
马汝涛
王军
张晔
杨斯媛
王雪
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
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Application filed by China National Petroleum Corp, CNPC Drilling Research Institute Co Ltd filed Critical China National Petroleum Corp
Priority to CN201610609771.XA priority Critical patent/CN106099520B/en
Publication of CN106099520A publication Critical patent/CN106099520A/en
Application granted granted Critical
Publication of CN106099520B publication Critical patent/CN106099520B/en
Active legal-status Critical Current
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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
    • 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
    • H01R13/02Contact members
    • H01R13/04Pins or blades for co-operation with sockets
    • 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
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades

Landscapes

  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention proposes a kind of electrodrill cable elasticity and helps sealing structure, it is provided with female joint pipe nipple and male joint pipe nipple, female joint pipe nipple is fixed with female, male joint pipe nipple is provided with public plug, the front end face of female is arranged with a caulking groove, the medial wall of caulking groove is provided with interior conducting strip, is provided with elastomeric seal portions at its notch, being additionally provided with downside cable in female, one end of downside cable electrically connects with interior conducting strip;The rear end face of public plug is convexly equipped with connection-peg, and the lateral surface of connection-peg is embedded with outer conducting strip, is separately provided with upside cable inside it, and one end of upside cable electrically connects with outer conducting strip;When one end correspondence of public plug is connected with one end of female, the front end correspondence of connection-peg seals and is inserted in caulking groove, interior conducting strip contacts with outer conducting strip, the rear end of connection-peg then corresponding elasticity of compression sealing, and mutually closely connected with elastomeric seal portions, insulation fat can be filled in the closing chamber formed between bottom land and the front end of connection-peg of caulking groove.

Description

Electrodrill cable elasticity helps sealing structure
Technical field
The invention belongs to field of petroleum exploitation, help sealing structure in particular to a kind of electrodrill cable elasticity.
Background technology
Downhole electric drilling tool is at the drilling equipment of driving by bottom hole bit with submersible electric motor, can be used for straight well, determines To well and horizontal well operation.Electrodrill is driving force by electric power, and main advantage has: compare typical well, the rotating speed of drilling tool, Moment of torsion and other parameters are unrelated with the injection rate of drilling fluid, viscosity and physicochemical property, the most relevant with motor performance;Compared to tradition Helicoid hydraulic motor and turbine bore, have and can carry out reacting cycle;The power supply using driven by power to be alternatively arranged as device for subsurface measuring makes With, the working time of measuring instrument can be made significantly to lengthen.
Operationally, the electric power of electrodrill needs to pass to downhole electric machine from ground by cable, so needing general Logical drilling rod is transformed, and the method used now is at two ends of drill erection joint pipe nipple, is provided with cable plug in pipe nipple.When During jointed rod, cable plug completes grafting simultaneously.In drilling operation course, plug is energized always, owing to going back in drilling rod There is full drilling fluid, if at this moment drilling fluid entrance plug will cause short circuit, cause the damage of electrodrill, it is also possible to can make The injures and deaths of one-tenth personnel.So, the most how preventing plug water inlet is the key technology of electrodrill success or not.
In view of this, the present inventor, according to being engaged in the production design experiences of this area and association area for many years, develops one Plant electrodrill cable elasticity and help sealing structure, to solving the problem that prior art exists.
Summary of the invention
It is an object of the invention to be to provide a kind of electrodrill cable elasticity to help sealing structure, its reliable operation, can prevent Only water inlet, it is achieved quickly install and dismounting, overcome the defect of prior art.
To this end, the present invention proposes a kind of electrodrill cable elasticity helps sealing structure, its be provided with a female joint pipe nipple and One male joint pipe nipple, is fixed with a female, is provided with a public plug in described male joint pipe nipple in described female joint pipe nipple, its In:
The front end face of described female is arranged with a caulking groove, and the medial wall of described caulking groove is provided with interior conducting strip, its groove Being provided with an elastomeric seal portions at Kou, be additionally provided with cable on the downside of in the of in described female, one end of described downside cable is with described Interior conducting strip electrically connects;
The rear end face of described public plug is convexly equipped with a connection-peg, and the lateral surface of described connection-peg is embedded with outer conducting strip, Separately being provided with cable on the upside of in the of inside it, one end of described upside cable electrically connects with described outer conducting strip;
When one end of the corresponding and described female in one end of described public plug is connected, the front end of described connection-peg is corresponding Sealing is inserted in described caulking groove, and described interior conducting strip contacts with described outer conducting strip, and the rear end of described connection-peg is the most corresponding Compress described elastomeric seal portions, and mutually closely connected with described elastomeric seal portions, the bottom land of described caulking groove and the front end of described connection-peg Between formed closing chamber can fill insulate fat.
Electrodrill cable elasticity as above helps sealing structure, and wherein, being additionally provided with one in described public plug can be with institute Stating and close the L-type passage that chamber is connected, one end of described L-type passage is positioned on the sidewall of described public plug, its other end then position On the front end face of described connection-peg.
Electrodrill cable elasticity as above helps sealing structure, and wherein, the sidewall of described female joint pipe nipple is provided with First hole, in described first hole, correspondence is embedded with one first square head screw, and described square head screw passes through the first positioner Described female is fixed in described female joint pipe nipple.
Electrodrill cable elasticity as above helps sealing structure, and wherein, described first positioner includes one the One bolt and one is arranged at the protuberance of described female lateral surface, and described first bolt is arranged in described protuberance and institute successively State the screw rod of the first square head screw, and with the screw rod bolt of described first square head screw, wherein, the nut of described first bolt And it is provided with a packing ring between described protuberance.
Electrodrill cable elasticity as above helps sealing structure, and wherein, the sidewall of described male joint pipe nipple is provided with Second hole, is correspondingly arranged on one second square head screw in described second hole, described second square head screw is by the second location Described public plug is fixed in described male joint pipe nipple by device.
Electrodrill cable elasticity as above helps sealing structure, and wherein, described second positioner includes one the Two bolts, a plug briquetting and are arranged at the projection of described public plug lateral surface, and described second bolt is arranged in institute successively State plug briquetting and described second square head screw, and be spirally connected fixing with the screw rod of described second square head screw, wherein, described The screw rod end of two square head screws, the side of described plug briquetting are respectively formed with a gap, and described projection correspondence is embedded at two In described gap, wherein, it is provided with a packing ring between nut and the described plug briquetting of described second bolt.
Electrodrill cable elasticity as above helps sealing structure, wherein, is provided with a cloth in described female vertically Wire casing, the front end bottom land of described wiring groove is positioned at described female adjacent to the outer surface of described interior conducting strip, its rear end notch Rear end face, the leading portion of described downside cable stretches in described wiring groove, and the copper core head of its front end welds with described interior conducting strip Connecting, its back segment stretches out the rear end face of described female through described rear end notch, and described downside cable is interior with described wiring groove It is in sealing contact between sidewall.
Electrodrill cable elasticity as above helps sealing structure, wherein, is provided with a line in described public plug vertically Cable groove, adjacent to described outer conducting strip at the bottom of the rear end slot of described cable trough, its front end notch is positioned at the front end face of described public plug On, the back segment of described upside cable is placed in described cable trough, and the copper core head of its rear end is welded to connect with described outer conducting strip, Its leading portion stretches out the front end face of described public plug through described front end notch, the medial wall of described upside cable and described cable trough it Between be in sealing contact.
Electrodrill cable elasticity as above helps sealing structure, and wherein, the rear end face of described female is provided with sealing Being sheathed on the back-end sealing head of described downside cable, the front end face of described public plug is provided with before sealing mutually with described upside cable End seal head.
Electrodrill cable elasticity as above helps sealing structure, and wherein, at the notch of described caulking groove, ecto-entad expands Footpath is formed with one first ring portion and one second ring portion, and the internal diameter of described second ring portion is less than the internal diameter of described first ring portion, and More than the internal diameter of described caulking groove, being formed with one first ring shoulder between described second ring portion and described first ring portion, it is embedding with described One second ring shoulder it is formed with between the medial wall of groove;
Described elastomeric seal portions includes spacing collar, back-up ring and the sealing being embedded in described first ring portion the most successively Cushion rubber, is embedded with disc spring in described second ring portion, described disc spring two ends contact with described second ring shoulder and described O-ring seal, The leading portion of described connection-peg is the cylindrical section that the medial wall with described caulking groove matches, and its back segment is expanding is formed with a shoulder, when Described connection-peg seals and is inserted in described caulking groove, and described shoulder energy correspondence pushes described back-up ring, O-ring seal and disc spring, makes institute State O-ring seal to compress and mutually closely connected with described connection-peg.
The electrodrill cable elasticity that the present invention provides helps sealing structure, short with male joint by arranging female joint pipe nipple Joint, relies on caoutchouc elasticity sealing elastic deformation under connection-peg extrudes, then holds the outside of connection-peg tightly, makes caulking groove and inserts Realize between joint sealing, prevent the drilling fluid of outside from entering, and utilize the caulking groove of female and the grafting of public plug inside it Cooperating of head so that interior conducting strip contacts with each other with outer conducting strip, it is achieved that upside cable is electrically connected with downside cable Connect.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 is the composition structural representation of female joint pipe nipple in the present invention.
Fig. 2 is the composition structural representation of male joint pipe nipple in the present invention.
Fig. 3 is schematic diagram during female joint pipe nipple jointed rod in the present invention.
Fig. 4 is schematic diagram during male joint pipe nipple jointed rod in the present invention.
Fig. 5 is male joint pipe nipple and the connection diagram of female joint pipe nipple in the present invention.
Simplification reference view when Fig. 6 is that in the present invention, public plug is connected initial with female.
Fig. 7 is the simplification reference view after public plug has been connected with female in the present invention.
Fig. 8 is the section of structure of female in the present invention.
Fig. 9 is the close-up schematic view in Fig. 8 at H.
Figure 10 is the section of structure of public plug in the present invention.
Main element label declaration:
1 female joint pipe nipple 11 first hole
12 first square head screw 121 screw rods
13 first bolt 2 male joint pipe nipples
21 second hole 221 screw rods
22 second square head screw 23 second bolts
24 plug briquetting 3 females
301 protuberance 302 packing rings
31 caulking groove 311a the first ring portions
311b the second ring portion 311c the first ring is takeed on
Conducting strip in 311d the second ring shoulder 32
33 elastomeric seal portions 331 spacing collars
332 back-up ring 333 O-ring seals
Cable on the downside of 334 disc springs 34
341 copper core 35 wiring grooves
36 back-end sealing heads
4 public plug 401 projections
41 connection-peg 411 shoulders
Cable on the upside of 42 outer conducting strips 44
45 L-type passage 46 cable trough
47 forward end seal 5 close chamber
51 insulation fat P gap
Detailed description of the invention
The present invention proposes a kind of electrodrill cable elasticity and helps sealing structure, and it is provided with a female joint pipe nipple and a public access Head pipe nipple, is fixed with a female, is provided with a public plug, wherein: institute in described male joint pipe nipple in described female joint pipe nipple The front end face stating female is arranged with a caulking groove, the medial wall of described caulking groove is provided with interior conducting strip, is provided with at its notch One elastomeric seal portions, is additionally provided with cable on the downside of in the of, one end of described downside cable and described interior conducting strip electricity in described female Connect;The rear end face of described public plug is convexly equipped with a connection-peg, the lateral surface of described connection-peg is embedded with outer conducting strip, in it Portion is separately provided with cable on the upside of in the of, and one end of described upside cable electrically connects with described outer conducting strip;When described public plug one When the one end holding corresponding and described female is connected, the front end correspondence of described connection-peg seals and is inserted in described caulking groove, institute State interior conducting strip to contact with described outer conducting strip, the rear end of the described connection-peg then described elastomeric seal portions of corresponding compression, and with Described elastomeric seal portions is mutually closely connected, and the closing chamber formed between bottom land and the front end of described connection-peg of described caulking groove can be filled absolutely Edge fat.
The electrodrill cable elasticity of the present invention helps sealing structure, and its reliable operation can prevent into water, it is achieved quickly pacify Dress and dismounting, overcome the defect of prior art.
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, below in conjunction with accompanying drawing and preferably Embodiment, the electrodrill cable elasticity proposing the present invention helps the sealing detailed description of the invention of structure, structure, feature and merit Effect, after describing in detail such as.It addition, by the explanation of detailed description of the invention, when the present invention being taked by reaching predetermined purpose Technological means and effect more goed deep into concrete understanding, but institute's accompanying drawing be only to provide with reference to and explanation use, not use The present invention is any limitation as.
Fig. 1 is the composition structural representation of female joint pipe nipple in the present invention.Fig. 2 is the composition of male joint pipe nipple in the present invention Structural representation.Fig. 3 is schematic diagram during female joint pipe nipple jointed rod in the present invention.Fig. 4 is male joint pipe nipple in the present invention Schematic diagram during jointed rod.Fig. 5 is male joint pipe nipple and the connection diagram of female joint pipe nipple in the present invention.Fig. 6 is this Simplification reference view when bright middle public plug is connected initial with female.Fig. 7 is that in the present invention, public plug is connected with female Simplification reference view after completing.Fig. 8 is the section of structure of female in the present invention.Fig. 9 is that in Fig. 8, local at H is put Big schematic diagram.Figure 10 is the section of structure of public plug in the present invention.
As shown in Figures 1 to 4, the electrodrill cable elasticity that the present invention proposes helps sealing structure, is provided with a female joint short Joint 1 and a male joint pipe nipple 2, be fixed with a female 3, be provided with in described male joint pipe nipple 2 in described female joint pipe nipple 1 One public plug 4, wherein:
The front end face of described female 3 is arranged with a caulking groove 31, and the medial wall of described caulking groove 31 is provided with interior conducting strip 32, an elastomeric seal portions 33 is installed at its notch, in described female 3, is additionally provided with cable 34 on the downside of in the of, described downside cable One end of 34 electrically connects with described interior conducting strip 32, to realize conducting function;
The rear end face of described public plug 4 is convexly equipped with a connection-peg 41, and the lateral surface of described connection-peg 41 is embedded with outer leading Electricity sheet 42, is separately provided with cable 44 on the upside of in the of inside it, one end of described upside cable 44 electrically connects with described outer conducting strip 42;
When one end of the corresponding and described female 3 in one end of described public plug 4 is connected, the front end of described connection-peg 41 Corresponding sealing is inserted in described caulking groove 31, and described outer conducting strip 42 contacts with described interior conducting strip 32 so that described female plug The downside cable 34 of 3 and the upside cable 44 of public plug 4, can be corresponding by described outer conducting strip 42 and described interior conducting strip 32 Contact conduct electricity, the rear end of described connection-peg 41 is then mutually closely connected with described elastomeric seal portions 33, the bottom land of described caulking groove 31 And insulation fat 51 can be filled in the closing chamber 5 formed between the front end of described connection-peg 41, to balance external and internal pressure.
It is preferred that be additionally provided with a L-type passage 45 being connected with described closing chamber 5, described L-type in described public plug 4 One end of passage 45 is positioned on the sidewall of described public plug 4, and its other end is then positioned on the front end face of described connection-peg 41.Pass through This L-type passage is set, the internal and external pressure balance after described female 3 can be kept to be connected, moreover it is possible to side after mounting with public plug 4 Just insulation fat is poured into.
Wherein, the sidewall of described female joint pipe nipple 1 is provided with the first hole 11 that cross section is square, described first hole In 11, correspondence is embedded with one first square head screw 12, and described first square head screw 12 passes through the first positioner by described female 3 are fixed in described female joint pipe nipple 1.
Referring to Fig. 1, Fig. 3 and Fig. 8, described first positioner includes one first bolt 13 and and is arranged at described The protuberance 301 of female 3 lateral surface, described first bolt 13 is arranged in described protuberance 301 and described first square toes spiral shell successively The screw rod 121 of nail 12, and with screw rod 121 bolt of described first square head screw 12, wherein, the nut of described first bolt 12 A packing ring 302 it is provided with between 122 and described protuberance 30.It is preferred that protuberance 301 described in Tu Shi is a ring type structure.
It is square by described first hole 11 is arranged, and coordinates described first square head screw 12 to use, the can be improved One positioner and the connection reliability of described female 3, it is to avoid disturb docking because of described rocking of female 3, it is ensured that make Use effect.Quantity as described first hole 11 can be decided according to the actual requirements, and as in the construction illustrated, connects described mother Circumferentially spaced on head pipe nipple 1 it is laid with two described first holes 11.
Preferably, the sidewall of described male joint pipe nipple 2 is provided with the second hole 21 that cross section is square, described second party Being correspondingly arranged on one second square head screw 22 in hole 21, described second square head screw 22 passes through the second positioner by described male plug 4 are fixed in described male joint pipe nipple 2.
Further, described second positioner includes one second bolt 23, plug briquetting 24 and and is arranged at The projection 401 of described public plug 4 lateral surface, described second bolt 23 is arranged in described plug briquetting 24 and described second successively Square head screw 22, and it is spirally connected fixing with the screw rod 221 of described second square head screw 22, wherein, described second square head screw 22 Screw rod 221 end, the side of described plug briquetting 24 are respectively formed with a gap P, and described projection 401 correspondence is embedded at described in two In gap P, wherein, it is provided with a packing ring 402 between nut and the described plug briquetting 24 of described second bolt 23.Wherein, at figure Described in projection 401 be preferably a bulge loop.
By described second hole 21 is used with described first square toes screw fit, can improve the second positioner and The connection reliability of described public plug 4, in the construction illustrated, preferably the most circumferentially spaced on described male joint pipe nipple 2 Be laid with two described second holes 21.
It addition, in the construction illustrated, the most described first hole 11, second hole 21 are respectively set to counterbore Form, the nut being the most both easy to arrange described first square head screw the 12, second square head screw 22 is placed in described mother completely In joint pipe nipple 1, male joint pipe nipple 2, preferably keep female joint pipe nipple 1, male joint pipe nipple 2 outer surface smooth attractive in appearance.
Wherein, as shown in Figure 8, a wiring groove 35, the front end slot of described wiring groove 35 it are provided with in described female 3 vertically Adjacent to the outer surface of described interior conducting strip 32, its rear end notch is positioned at the rear end face of described female 3, described downside cable at the end The leading portion of 34 stretches in described wiring groove 35, and the copper core 341 of its front end is welded to connect with described interior conducting strip 32, its back segment warp Described rear end notch stretches out the rear end face of described female 3, between described downside cable 34 and the medial wall of described wiring groove 35 It is in sealing contact.
Further, refer to Figure 10, in described public plug 4, be provided with a cable trough 46 vertically, described cable trough 46 Adjacent to described outer conducting strip 42 at the bottom of rear end slot, its front end notch is positioned on the front end face of described public plug 4, described upside cable The back segment of 44 is placed in described cable trough, and the copper core 441 of its rear end is welded to connect with described outer conducting strip 42, its leading portion warp Described front end notch stretches out the front end face of described public plug 4, between described upside cable 44 and the medial wall of described cable trough 45 It is in sealing contact.
In order to improve sealing property, the preferably rear end face at described female 3 is provided with sealing shroud and is located at described downside cable The back-end sealing head 36 of 34, the front end face of described public plug 4 is provided with the forward end seal 47 sealed with described upside cable 44 phase. (as shown in Figure 3, Figure 4).
It is preferred that please also refer to Fig. 8, Fig. 9, the most expanding at the notch of described caulking groove 31 it is formed with one first ring Portion 311a and one second ring portion 311b, the internal diameter of described second ring portion 311b is less than the internal diameter of described first ring portion 311a, and More than the internal diameter of described caulking groove 31, between described second ring portion 311b and described first ring portion 311a, it is formed with one first ring shoulder 311c, is formed with one second ring shoulder 311d between itself and the medial wall of described caulking groove 31;
Spacing collar 331 that described elastomeric seal portions 33 includes being embedded at the most successively in described first ring portion 311a, Back-up ring 332 and O-ring seal 333, be embedded with disc spring 334, described disc spring two ends and described second in described second ring portion 311b Ring shoulder 311d and described O-ring seal 333 contact, and described spacing collar 331 is for limiting described back-up ring 332, O-ring seal 333 Position, prevents both after outer shifting under the elastic force effect of disc spring 334, it is to avoid to come off from described first ring portion 311a, described slotting The leading portion of joint 41 is the cylindrical section that the medial wall with described caulking groove 31 matches, and its back segment is expanding is formed with a shoulder 411, when Described connection-peg seals and is inserted in described caulking groove 31, and described shoulder 411 correspondence can push described back-up ring 332, O-ring seal 333 And disc spring 334, make described O-ring seal 333 compress and mutually closely connected with described connection-peg.
Referring to Fig. 5 to Fig. 7, the electrodrill cable elasticity that the present invention provides helps sealing structure, in practicing, first By lower end and the upper end jointed rod 5 respectively of public plug 4 of described female 3, when specifically connecting, it is by described male joint pipe nipple The lower end of 2 is socketed in downwards outside the upper end of described female 1, simultaneously, and connection-peg 41 corresponding inserted of described public plug 4 In described caulking groove 31, making the corresponding and described interior conducting strip 32 of described outer conducting strip 42 contact, its shoulder 411 is then corresponding to be squeezed Compression elasticity sealing 33 deforms, and the most described shoulder 411 pushes described back-up ring 332, O-ring seal 333 moves inward, and compact disc Spring 334, when being gradually increased along with thrust and be more than the elastic force of disc spring 334, described disc spring 334 is compressed so that described fluid sealant Circle 333 is resisted against described first ring shoulder 311c, produces deformation, and along with female joint pipe nipple 1, the connection of male joint pipe nipple 2, thrust is more Coming the biggest, O-ring seal 333 deformation is increasing, finally, and connection-peg 41 outer wall of O-ring seal 333 tightly locking public plug 4, Thus complete to seal, completely cut off drilling fluid 7, prevent drilling fluid from entering through the joint of female 3 with public plug 4, it is to avoid in work Time the generation of short-circuit conditions occurs, thus, the present invention completes grafting, it is achieved the electrical connection of downside cable 34 and upside cable 44. Wherein, when connecting, in described caulking groove 31, fill insulation fat 51 in advance, in described connection-peg 41 is inserted in described caulking groove 31 Time, described insulation fat 51 can correspondence be squeezed in L-type passage 45, to keep internal and external pressure balance.
When dismounting drilling rod 6, described public plug 4 along with described male joint pipe nipple 2 is away from described female 3, its shoulder 411 Outward movment, thrust tapers into, and when thrust is less than the elastic force of described disc spring 334, described O-ring seal 333 is the most described Disc spring 334 promotes and resets, and deformation fades away, and is restored to original state.
The electrodrill cable elasticity that the present invention provides helps sealing structure, short with male joint by arranging female joint pipe nipple Joint, relies on elastomeric seal portions elastic deformation under connection-peg extrudes, then holds the outside of connection-peg tightly, make caulking groove and connection-peg Between realize sealing, prevent the drilling fluid of outside from entering, and utilize the connection-peg of the caulking groove of female and public plug it inside Cooperate so that interior conducting strip contacts with each other with outer conducting strip, it is achieved that upside cable and the electrical connection of downside cable.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any Those skilled in the art, the equivalent variations made on the premise of without departing from the design of the present invention and principle and amendment, all should Belong to the scope of protection of the invention.

Claims (10)

1. an electrodrill cable elasticity helps sealing structure, it is characterised in that be provided with a female joint pipe nipple and a male joint Pipe nipple, is fixed with a female in described female joint pipe nipple, be provided with a public plug, wherein in described male joint pipe nipple:
The front end face of described female is arranged with a caulking groove, the medial wall of described caulking groove is provided with interior conducting strip, at its notch Being provided with an elastomeric seal portions, be additionally provided with cable on the downside of in the of in described female, one end of described downside cable is led in described Electricity sheet electrical connection;
The rear end face of described public plug is convexly equipped with a connection-peg, the lateral surface of described connection-peg is embedded with outer conducting strip, in it Portion is separately provided with cable on the upside of in the of, and one end of described upside cable electrically connects with described outer conducting strip;
When one end of the corresponding and described female in one end of described public plug is connected, the front end correspondence of described connection-peg seals Being inserted in described caulking groove, described interior conducting strip contacts with described outer conducting strip, the then corresponding compression of the rear end of described connection-peg Described elastomeric seal portions, and mutually closely connected with described elastomeric seal portions, between bottom land and the front end of described connection-peg of described caulking groove Insulation fat can be filled in the closing chamber formed.
2. electrodrill cable elasticity as claimed in claim 1 helps sealing structure, it is characterised in that separately set in described public plug Having a L-type passage being connected with described closing chamber, one end of described L-type passage is positioned on the sidewall of described public plug, its The other end is then positioned on the front end face of described connection-peg.
3. electrodrill cable elasticity as claimed in claim 1 or 2 helps sealing structure, it is characterised in that described female joint is short The sidewall of joint is provided with first hole, and in described first hole, correspondence is embedded with one first square head screw, described first square toes spiral shell Described female is fixed in described female joint pipe nipple by nail by the first positioner.
4. electrodrill cable elasticity as claimed in claim 3 helps sealing structure, it is characterised in that described first positioner Including one first bolt and and be arranged at the protuberance of described female lateral surface, described first bolt is arranged in described successively Protuberance and the screw rod of described first square head screw, and with the screw rod bolt of described first square head screw, wherein, described first It is provided with a packing ring between nut and the described protuberance of bolt.
5. the electrodrill cable elasticity as described in claim 1 or 4 helps sealing structure, it is characterised in that described male joint is short The sidewall of joint is provided with second hole, is correspondingly arranged on one second square head screw, described second square toes spiral shell in described second hole Described public plug is fixed in described male joint pipe nipple by nail by the second positioner.
6. electrodrill cable elasticity as claimed in claim 5 helps sealing structure, it is characterised in that described second positioner Include one second bolt, a plug briquetting and is arranged at the projection of described public plug lateral surface, and described second bolt depends on Secondary described plug briquetting and described second square head screw of being arranged in, and it is spirally connected fixing with the screw rod of described second square head screw, Wherein, the screw rod end of described second square head screw, the side of described plug briquetting are respectively formed with a gap, described projection pair Should be embedded in gap described in two, wherein, between nut and the described plug briquetting of described second bolt, be provided with a packing ring.
7. the electrodrill cable elasticity as described in claim 1 or 6 helps sealing structure, it is characterised in that in described female Being provided with a wiring groove vertically, the front end bottom land of described wiring groove is adjacent to the outer surface of described interior conducting strip, its rear end notch Being positioned at the rear end face of described female, the leading portion of described downside cable stretches in described wiring groove, the copper core head of its front end and institute Stating interior conducting strip to be welded to connect, its back segment stretches out the rear end face of described female through described rear end notch, described downside cable with It is in sealing contact between the medial wall of described wiring groove.
8. the electrodrill cable elasticity as described in claim 1 or 6 helps sealing structure, it is characterised in that in described public plug Being provided with a cable trough vertically, adjacent to described outer conducting strip at the bottom of the rear end slot of described cable trough, its front end notch is positioned at described On the front end face of public plug, the back segment of described upside cable is placed in described cable trough, the copper core head of its rear end with described outside Conducting strip is welded to connect, and its leading portion stretches out the front end face of described public plug through described front end notch, and described upside cable is with described It is in sealing contact between the medial wall of cable trough.
9. electrodrill cable elasticity as claimed in claim 1 helps sealing structure, it is characterised in that the rear end of described female Face is provided with sealing shroud and is located at the back-end sealing head of described downside cable, and the front end face of described public plug is provided with and described upside cable The forward end seal head sealed mutually.
10. the electrodrill cable elasticity as described in claim 1,6 or 9 helps sealing structure, it is characterised in that described caulking groove At notch, ecto-entad is expanding is formed with one first ring portion and one second ring portion, and the internal diameter of described second ring portion is less than described the The internal diameter of one ring portion, and more than the internal diameter of described caulking groove, between described second ring portion and described first ring portion, it is formed with one first Ring is takeed on, and is formed with one second ring shoulder between itself and the medial wall of described caulking groove;
Described elastomeric seal portions includes spacing collar, back-up ring and the fluid sealant being embedded in described first ring portion the most successively Circle, is embedded with disc spring in described second ring portion, described disc spring two ends contact with described second ring shoulder and described O-ring seal, institute The leading portion stating connection-peg is the cylindrical section that the medial wall with described caulking groove matches, and its back segment is expanding is formed with a shoulder, works as institute Stating connection-peg sealing to be inserted in described caulking groove, described shoulder energy correspondence pushes described back-up ring, O-ring seal and disc spring, makes described O-ring seal compression is mutually the most closely connected with described connection-peg.
CN201610609771.XA 2016-07-29 2016-07-29 Electrodrill cable elasticity helps sealing structure Active CN106099520B (en)

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CN108418018A (en) * 2018-03-16 2018-08-17 武汉奇泰隆机械有限公司 A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device
CN112709877A (en) * 2020-11-24 2021-04-27 武汉船舶设计研究院有限公司 Underwater hose plug-pull connecting device suitable for deep sea mining

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CN1237014A (en) * 1998-05-27 1999-12-01 住友电装株式会社 Connector
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CN108418018A (en) * 2018-03-16 2018-08-17 武汉奇泰隆机械有限公司 A kind of downhole electric drilling tool cable steel tube independent suspension connection sealing device
CN112709877A (en) * 2020-11-24 2021-04-27 武汉船舶设计研究院有限公司 Underwater hose plug-pull connecting device suitable for deep sea mining

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