Summary of the invention
Technical problem to be solved by this invention is the comparatively deficiency of difficulty of electrical connection that overcomes current petroleum underground instrument.
In order to solve the problems of the technologies described above, the invention provides a kind of male joint of connecting downhole instrument pipe nipple, comprise public conducting ring (10), male joint body (13) and the second electric connection (15), wherein:
The second electric connection (15) is arranged on the step surface of male joint body (13) second ends; Public conducting ring (10) insulation is arranged on the outer surface at male joint body (13) middle part.
Wherein, the outer surface of male joint body (13) is provided with the second active joint (14).
Wherein, the second active joint (14) is for revolving soon nipple.
Wherein, the periphery place (A) of male joint body (13) first end is circular chamfering, and the periphery place (B) between the second end and public conducting ring (10) is taper chamfering.
The present invention also provides a kind of female joint of connecting downhole instrument pipe nipple, comprises the first electric connection (4), female joint body (7) and female conducting ring (9), wherein:
The first electric connection (4) is arranged on the step surface of female joint body (7) first end, and female conducting ring (9) insulation is arranged on the inner surface at female joint body (7) middle part.
Wherein, female conducting ring (9) includes internal layer conductive sleeve (91) and outer conductive sleeve (94), and one end of two-layer conductive sleeve welds together, other end flare opening; On the inwall of internal layer conductive sleeve (91), be distributed with protruding circular contact (92), be evenly distributed with slot (93) on axially.
Wherein, the outer surface of female joint body (7) is provided with the first active joint (6).
Wherein, the second active joint (14) is for revolving soon nipple.
Wherein, the inner headed face place (D) between the inner headed face place (C) of female joint body (7) second ends and first end and female conducting ring (9) is horn opening.
The present invention also provides a kind of jockey of connecting downhole instrument pipe nipple, comprises foregoing male joint and foregoing female joint, wherein:
Male conducting ring (10) matches with female conducting ring (9), and the first end of male joint body (13) stretches in the inner chamber of female joint body (7), and the second end of female joint body (7) is positioned at the outer surface of male joint body (13); Inner headed face place (D) between the inner headed face place (C) of female joint body (7) second ends and first end and female conducting ring (9), respectively with male joint body (13) second ends and public conducting ring (10) between periphery place (B) and the periphery place (A) of first end match.
Compared with prior art, the jockey of the embodiment of the present invention can synchronously complete electric connection in connecting drill collar threads.In embodiments of the invention, between two joints and circuit framework, carry out mechanical connection by revolving soon nipple, be electrically connected by single core contact pin, between conducting ring and single core contact pin, connect by wire.Reliability and the synchronism of mechanical connection and electrical connection are guaranteed.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in specification, claims and accompanying drawing.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing, embodiments of the invention are elaborated.It should be noted that, in the situation that not conflicting, the combination in any mutually of the feature in embodiment and embodiment in the application.
As shown in Figure 1, the jockey of the embodiment of the present invention mainly comprises the first electric connection 4, the first active joint 6, female joint body 7, female conducting ring 9, male conducting ring 10, male joint body 13, the second active joint 14 and the second electric connection 15 etc.
The first electric connection 4 is arranged on the step surface of female joint body 7 first ends, parallel with drill collar axis.Female conducting ring 9 is arranged on the inner surface at female joint body 7 middle parts, insulate with female joint body 7 by female conducting ring insulating barrier 8.
The second electric connection 15 is arranged on the step surface of male joint body 13 second ends, parallel with drill collar axis.Public conducting ring 10 is arranged on the outer surface at male joint body 13 middle parts, insulate with male joint body 13 by public conducting ring insulating barrier 11.
Male conducting ring 10 matches and can realize electrical connection with female conducting ring 9.
The first electric connection 4 is connected with female conducting ring 9 by the wire passing from female joint body 7, and the second electric connection 15 is connected with public conducting ring 10 by the wire passing from male joint body 13.In female joint body 7 and male joint body 13, be respectively arranged with corresponding cable hole.
The first end of male joint body 13 stretches in the inner chamber of female joint body 7, and junction seals by the first sealing ring 20.The second end of female joint body 7 is positioned at the outer surface of male joint body 13, and junction seals by the second sealing ring 12.
The step-like first end of female joint body 7 matches with the circuit framework 2 of the first instrument 1, outer surface at different-diameter is carried out circumferential seal by the 3rd sealing ring 21 and the 4th sealing ring 5, and between the circuit framework 2 of female joint body 7 and the first instrument 1, be flexibly connected by the first active joint 6, the first active joint 6 is arranged on the outer surface of female joint body 7.
In the circuit framework 2 of the first instrument 1, be provided with the 3rd electric connection 3, it can be electrically connected with the first electric connection 4.
The second step-like end of male joint body 13 matches with the circuit framework 17 of the second instrument 18, outer surface at different-diameter is carried out circumferential seal by the 5th sealing ring 19 and the 6th sealing ring 22, and between the circuit framework 17 of male joint body 13 and the second instrument 18, be flexibly connected by the second active joint 14, the second active joint 14 is arranged on the outer surface of male joint body 13.
In the circuit framework 17 of the second instrument 18, be provided with the 4th electric connection 16, it can be electrically connected with the second electric connection 15.
In embodiments of the invention, female conducting ring insulating barrier 8 can be electro-insulating rubber with male conducting ring insulating barrier 11.In embodiment shown in Fig. 1, the first active joint 6 and the second active joint 14 are to revolve soon nipple.
In embodiments of the invention, the first electric connection 4 and the second electric connection 15 can be single core female plug pins, and the 3rd electric connection 3 and the 4th electric connection 16 can be the single core male plug pins matching with the first electric connection 4 and the second electric connection 15 respectively.
In embodiments of the invention, the first electric connection 4, female joint body 7, female conducting ring insulating barrier 8 and female conducting ring 9 belong to the female joint that can be connected with the circuit framework of the first instrument 12.Public conducting ring 10, public conducting ring insulating barrier 11, male joint body 13 and the second electric connection 15 belong to the male joint that can be connected with the circuit framework of the second instrument 18 17.
The female joint of the embodiment of the present invention is connected with the circuit framework of the first instrument, is arranged on box thread one end of the first instrument drill collar.The male joint of the embodiment of the present invention is connected with the circuit framework of the second instrument, is arranged on male thread one end of the second instrument drill collar.
In embodiments of the invention, two conducting rings include electro-insulating rubber and conductive part, and leave the wire of sufficient length, by good with conductive copper welding one, wire, put into mould encapsulating sintering.In embodiments of the invention, female conducting ring 9 includes internal layer conductive sleeve 91 and outer conductive sleeve 94, and one end of two-layer conductive sleeve welds together, and other end flare opening, is convenient to the insertion of public conducting ring 10.In female conducting ring 9, on the inwall of internal layer conductive sleeve 91, be distributed with protruding circular contact 92, and internal layer conductive sleeve is axially evenly distributed with slot 93, makes the internal layer conductive sleeve 91 can slight deformation and possess certain elasticity, as shown in Figure 2.
As shown in Figure 3, the A of periphery place of male joint body 13 first end small diameters is circular chamfering, and the B of periphery place between the second end and public conducting ring 10 is taper chamfering, is convenient to insert when male joint coordinates with female joint centering.
As shown in Figure 4, on female joint body 7, there are two place's horn openings, respectively the D of inner headed face place between the C of inner headed face place and first end and female conducting ring 9 of the second end, in addition, on one end that on female conducting ring 9, internal layer conductive sleeve 91 and outer conductive sleeve 94 do not weld, also there is horn opening.The horn opening of the inner headed face place D nearer apart from first end is convenient to the taper chamfering centering of male joint body 13 B of periphery place, horn opening on female conducting ring 9 is convenient to the centering of male conducting ring 10, and the horn opening that is positioned at the C of inner headed face place of the second end is convenient to the centering of the circular chamfering of male joint body 13 A of periphery place.
Corresponding with the A of periphery place of the male joint body 13 first end larger-diameter periphery B of place and small diameter respectively, while being convenient to male joint installation, smooth contraposition is inserted.
The first sealing ring 20 between male joint body 13 and female joint body 7 can be realized the sealing to two conducting rings, avoids mud to touch conducting ring and electric leakage accident occurs.
It is wider that the width of female conducting ring and female conducting ring can design according to actual conditions, the face that is sealed and matched of male joint and female joint also can design slightly widelyr, make like this joint can guarantee good applicability in the time connecting, increase jockey of the present invention in week installation surplus upwards, reduced the requirement to axial installation dimension.
In embodiments of the invention, female joint inner body is opening shape, and male joint external overall is cone-shaped, and female conducting ring 9 has elasticity diametrically, has guaranteed can be electrically connected reliably between female conducting ring 9 and male conducting ring 10.By install on first instrument of female joint of the embodiment of the present invention with second instrument of male joint of the embodiment of the present invention is installed on while being connected, can be to the righting a little of two instruments, the conehead of male joint is costed the opening of female joint, gets final product automatic capturing.One of them instrument of slow circumvolve, treats that instrument aligns substantially, and upper button is until tighten fast.Utilize embodiments of the invention to connect the first instrument and the second instrument, easy to operate, connect reliable.
Although the disclosed execution mode of the present invention as above, the execution mode that described content just adopts for the ease of understanding the present invention, not in order to limit the present invention.Technical staff in any the technical field of the invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can do any modification and variation what implement in form and in details; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.