CN208024310U - A kind of not-go-end connector device for screwing up of cladding sucker rod - Google Patents

A kind of not-go-end connector device for screwing up of cladding sucker rod Download PDF

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Publication number
CN208024310U
CN208024310U CN201820444642.4U CN201820444642U CN208024310U CN 208024310 U CN208024310 U CN 208024310U CN 201820444642 U CN201820444642 U CN 201820444642U CN 208024310 U CN208024310 U CN 208024310U
Authority
CN
China
Prior art keywords
screw thread
joint screw
card body
rod
end connector
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.)
Withdrawn - After Issue
Application number
CN201820444642.4U
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Chinese (zh)
Inventor
张永法
位志斌
田庆国
宋东
石峰
丁明梅
霍虹
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.)
Shandong Bonuoli Petroleum Equipment Co Ltd
Original Assignee
Shandong Bonuoli Petroleum Equipment 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.)
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Publication date
Application filed by Shandong Bonuoli Petroleum Equipment Co Ltd filed Critical Shandong Bonuoli Petroleum Equipment Co Ltd
Priority to CN201820444642.4U priority Critical patent/CN208024310U/en
Application granted granted Critical
Publication of CN208024310U publication Critical patent/CN208024310U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of not-go-end connector device for screwing up of cladding sucker rod,There is joint screw thread on the body of rod,Locking screw,It is stress relief groove between joint screw thread and locking screw,Outer shoulder is formed between joint screw thread and stress relief groove,Erosion resistant coating is wrapped on the body of rod,Not-go-end connector is connected on locking screw,Back-up tong card body has internal thread,Internal thread matches with the joint screw thread,There is undergauge section in back-up tong card body,Back-up tong card body milling is split into two halves and is buckled on joint screw thread,Internal thread and joint screw thread snapping,Undergauge section is limited by outer shoulder,Prevent back-up tong card body from moving back button on joint screw thread,Back-up tong card body milling is split into after two halves are buckled on the joint screw thread and is integrally fixed,Locking screw and the connection screw thread of not-go-end connector can be made to tighten,After not-go-end connector connect fastening with locking screw,The internal thread that milling is split on the back-up tong card body of two halves can be disengaged from joint screw thread,Tool rotation back-up tong card body is not needed it to be disassembled from the body of rod,It can guarantee the assembling quality of cladding sucker rod.

Description

A kind of not-go-end connector device for screwing up of cladding sucker rod
Technical field
The utility model belongs to the assembly equipment for the sucker rod that oil well pump is connect with pumping unit in oil field pumping well, is group The tool of dress cladding sucker rod, the not-go-end connector device for screwing up of specifically a kind of cladding sucker rod.
Background technology
In oil pumping in oil fields system, sucker rod is immersed in well liquid and works, and Korrosionsmedium is contained in well liquid, to sucker rod Corrosion is generated, causes the service life of rod string short, the oil well production period is short, deficiency in economic performance.In order to solve this problem, Oil field used material type anticorrosive property sucker rod, but this sucker rod is metal material, and resistance to corrosion is limited, cannot be complete It solves the problems, such as to be corroded.For this purpose, technical staff devises cladding sucker rod, high density has been coated on the body of rod of this sucker rod Erosion resistant coating made of polyethylene, body of rod surface are not contacted with well liquid, and well liquid will not corrode sucker rod, this sucker rod such as Fig. 1 institutes Show, is made of rod collar 7, not-go-end connector 2, the body of rod 3, erosion resistant coating 4, lower face and the not-go-end connector 6 of rod collar 7 Upper surface contacts, and so that rod collar 7 and the connection screw thread of the body of rod 3 is locked, it is made to be connected firmly, will not thread off.It realizes Rod collar 7 and the head connection screw thread of the body of rod 3 are locked, it is necessary to assure not-go-end connector 6 and the connection screw thread of the body of rod 3 can twist Tightly.Since the erosion resistant coating 4 on the body of rod 3 cannot make pipe wrench, the head of the body of rod 3 except erosion resistant coating 4 is exposed at also without making pipe wrench Position, therefore, not-go-end connector 6 and the connection screw thread of the body of rod 3 can not tighten, and cause assembling cladding sucker rod difficult, it cannot be guaranteed that Assembling quality influences the use for coating sucker rod.
Invention content
The purpose of this utility model is a kind of not-go-end connector device for screwing up of cladding sucker rod of design, can take out cladding The not-go-end connector of beam hanger is fastened on cladding sucker rod, is reliably connected and is laid a solid foundation with cladding sucker rod for rod collar.
What the purpose of this utility model was realized in:A kind of not-go-end connector device for screwing up of cladding sucker rod, including only End connector, the body of rod, erosion resistant coating have joint screw thread, locking screw, the joint screw thread, locking screw thread rotary orientation on the body of rod It is identical, it is stress relief groove between the joint screw thread and locking screw, the diameter of the stress relief groove is less than described Joint screw thread and locking screw bottom diameter, make to form between outer land between the joint screw thread described in it and the stress relief groove Shoulder wraps erosion resistant coating on the body of rod, and not-go-end connector is connected on the locking screw, further includes back-up tong card body, back-up tong card body has Internal thread, the internal thread match with the joint screw thread, have undergauge section, the diameter of the undergauge section in back-up tong card body It is matched less than the bottom diameter with the joint screw thread, and with the stress relief groove, back-up tong card body milling is split into two halves and is buckled in On the joint screw thread, the internal thread and the joint screw thread snapping, the undergauge section are in the stress It eliminates at slot, the undergauge section is limited by the outer shoulder, prevents back-up tong card body from moving back button, back-up tong card on joint screw thread Body milling is split into after two halves are buckled on the joint screw thread and is integrally fixed.
The utility model has the beneficial effects that:Locking screw and the connection screw thread of not-go-end connector can be made to tighten, not-go-end is made to connect Head is fastened on the body of rod, be equivalent to the body of rod have it is reliable push away bearing surface, not-go-end connector is connect with the locking screw fasten after, The fixed milling of removal is split into the fixing device of the back-up tong card body of two halves, and the internal thread that milling is split on the back-up tong card body of two halves can be from connecing It is disengaged on head thread, not needing tool rotation back-up tong card body can disassemble it from the body of rod, therefore, in dismounting back-up tong card Not-go-end connector and the connection tautness of the locking screw will not be caused to decline when body.The utility model can guarantee cladding oil pumping The assembling quality of bar ensures that cladding sucker rod uses reliably and with long-term, has the economic benefit being old for one's age.
Description of the drawings
Fig. 1 is the structure chart of existing cladding sucker rod.In figure:7 be rod collar, and 2 be not-go-end connector, and 3 be the body of rod, 4 It is erosion resistant coating.
Fig. 2 is the structure chart that part 3 coats after erosion resistant coating in Fig. 1.
Fig. 3 is the structure chart of the utility model.
Fig. 4 is that 1 milling of part is split into the vertical view after two halves in Fig. 3.
Fig. 5 is cutaway view at A-A in Fig. 4.
Specific implementation mode
It is illustrated with reference to pair the embodiments of the present invention of Fig. 2,3,4,5.
By Fig. 2,3,4,5 it is found that the embodiments of the present invention include back-up tong card body 1, not-go-end connector 2, the body of rod 3, anti-corrosion Layer 4 has joint screw thread 3-1, locking screw 3-4, the joint screw thread 3-1, locking screw 3-4 thread rotary orientation phases on the body of rod 3 Together, it is stress relief groove 3-3 between the joint screw thread 3-1 and locking screw 3-4, the stress relief groove 3-3's is straight Diameter is less than the bottom diameter of the joint screw thread 3-1 and locking screw 3-4(Path), make joint screw thread 3-1 described in it with it is described Stress relief groove 3-3 between form outer shoulder 3-2, erosion resistant coating 4 made of high-density polyethylene are wrapped on the body of rod 3, described Locking screw 3-4 on connection not-go-end connector 2, the upper surface of not-go-end connector 2 is under the stress relief groove 3-3, back-up tong Card body 1 has internal thread 1-2, the internal thread 1-2 to match with the joint screw thread 3-1(Button-type, nominal diameter are identical), the back of the body There are the diameter of undergauge section 1-1, the undergauge section 1-1 to be less than the bottom diameter with the joint screw thread 3-1 in pincers card body 1(It is small Diameter), and matched with the stress relief groove 3-3,1 milling of back-up tong card body is split into two halves and is buckled on the joint screw thread 3-1, The internal thread 1-2 and the joint screw thread 3-1 snappings(The two screw thread is spun together), at the undergauge section 1-1 At the stress relief groove 3-3, the undergauge section 1-1 is limited by the outer shoulder 3-2, and back-up tong card body 1 is described Outer shoulder 3-2 limit after cannot rotate, so that back-up tong card body 1 is split into from moving back button, 1 milling of back-up tong card body on joint screw thread 3-1 Two halves are integrally fixed after being buckled on the joint screw thread 3-1(It is equivalently employed without milling and is split into two halves, internal thread ability thereon It is effectively screwed with joint screw thread 3-1).
The internal thread 1-2 and the joint screw thread 3-1 snappings, the undergauge section 1-1 is by the outer shoulder 3-2 is limited, and back-up tong card body 1 is prevented to be split into two halves from moving back button, 1 milling of back-up tong card body on joint screw thread 3-1 and be buckled in the connector It is integrally fixed after on screw thread 3-1, fixing back-up tong card body 1 prevents it from rotating(The half of back-up tong card body 1 is welded on work On platform), rotation not-go-end connector 2, the body of rod 3 cannot rotate, and locking screw 3-4 and the connection screw thread of not-go-end connector 2 can be made to tighten, So that not-go-end connector 2 is fastened on the body of rod 3, is equivalent to the body of rod 3 and has and reliable push away bearing surface, not-go-end connector 2 and the locking screw After line 3-4 connections fastening, the fixing device that fixed milling is split into the back-up tong card body 1 of two halves is removed, milling is split into the back-up tong card body 1 of two halves On internal thread can be disengaged from joint screw thread 3-1, not needing tool rotation back-up tong card body 1 can tear it open from the body of rod 3 It unloads down, therefore, the connection tautness of not-go-end connector 2 and the locking screw 3-4 will not be caused when dismantling back-up tong card body 1 Decline.Back-up tong card body 1 is disassembled from the joint screw thread 3-1 installs rod collar just as shown in Figure 1 again Cladding sucker rod.
The body of rod 3, which has, reliably pushes away bearing surface, can be locked after just rod collar 7 capable of being made to be connect with joint screw thread 3-1, oil pumping Bar box cupling 7 will not thread off.
1 milling of back-up tong card body is split into the method being integrally fixed after two halves are buckled on the joint screw thread 3-1 for ability Various structures are can be designed that for the technical staff in domain, each structure will depend on the utility model that could implement, institute With the utility model is not split into the measure that the when of being used after two halves is integrally fixed again to 1 milling of back-up tong card body and is described.

Claims (1)

1. a kind of not-go-end connector device for screwing up of cladding sucker rod, including not-go-end connector(2), the body of rod(3), erosion resistant coating(4), the body of rod (3)On have joint screw thread(3-1), locking screw(3-4), the joint screw thread(3-1), locking screw(3-4)Thread rotary orientation Identical, described joint screw thread(3-1)With locking screw(3-4)Between be stress relief groove(3-3), the stress relief groove (3-3)Diameter be less than the joint screw thread(3-1)With locking screw(3-4)Bottom diameter, make the joint screw thread described in it(3- 1)With the stress relief groove(3-3)Between form outer shoulder(3-2), the body of rod(3)On wrap erosion resistant coating(4), described Locking screw(3-4)Upper connection not-go-end connector(2), it is characterized in that:It further include back-up tong card body(1), back-up tong card body(1)There is internal thread (1-2), the internal thread(1-2)With the joint screw thread(3-1)Match, back-up tong card body(1)Inside there is undergauge section(1-1), The undergauge section(1-1)Diameter be less than and the joint screw thread(3-1)Bottom diameter, and with the stress relief groove (3-3)It matches, back-up tong card body(1)Milling is split into two halves and is buckled in the joint screw thread(3-1)On, the internal thread(1-2) With the joint screw thread(3-1)Snapping, the undergauge section(1-1)In the stress relief groove(3-3)Place, it is described Undergauge section(1-1)By the outer shoulder(3-2)Limit, makes back-up tong card body(1)It cannot be in joint screw thread(3-1)On move back button, carry on the back Clamp card body(1)Milling is split into two halves and is buckled in the joint screw thread(3-1)It is integrally fixed after upper.
CN201820444642.4U 2018-03-30 2018-03-30 A kind of not-go-end connector device for screwing up of cladding sucker rod Withdrawn - After Issue CN208024310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820444642.4U CN208024310U (en) 2018-03-30 2018-03-30 A kind of not-go-end connector device for screwing up of cladding sucker rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820444642.4U CN208024310U (en) 2018-03-30 2018-03-30 A kind of not-go-end connector device for screwing up of cladding sucker rod

Publications (1)

Publication Number Publication Date
CN208024310U true CN208024310U (en) 2018-10-30

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CN201820444642.4U Withdrawn - After Issue CN208024310U (en) 2018-03-30 2018-03-30 A kind of not-go-end connector device for screwing up of cladding sucker rod

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108278091A (en) * 2018-03-30 2018-07-13 山东博诺利石油装备有限公司 A kind of not-go-end connector device for screwing up of cladding sucker rod

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108278091A (en) * 2018-03-30 2018-07-13 山东博诺利石油装备有限公司 A kind of not-go-end connector device for screwing up of cladding sucker rod
CN108278091B (en) * 2018-03-30 2024-05-17 山东博诺利石油装备有限公司 End-stop joint tightening device for cladding sucker rod

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Granted publication date: 20181030

Effective date of abandoning: 20240517

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Granted publication date: 20181030

Effective date of abandoning: 20240517

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AV01 Patent right actively abandoned