CN103470194A - Sleeve female thread protection device easy to assemble and disassemble - Google Patents
Sleeve female thread protection device easy to assemble and disassemble Download PDFInfo
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- CN103470194A CN103470194A CN2013104027494A CN201310402749A CN103470194A CN 103470194 A CN103470194 A CN 103470194A CN 2013104027494 A CN2013104027494 A CN 2013104027494A CN 201310402749 A CN201310402749 A CN 201310402749A CN 103470194 A CN103470194 A CN 103470194A
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- expanding
- pipe body
- drop block
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Abstract
The invention relates to the technical field of thread protection for petroleum drilling sleeves, in particular to a sleeve female thread protection device easy to assemble and disassemble. The device comprises a pipe body, an annular stop block with the outer diameter larger than that of the pipe body is integrally fixed at the lower end of the pipe body, axial gaps are arranged in the pipe body and the annular stop block, a left expansion block and a right expansion block are fixedly connected onto the inner wall of the pipe body on two sides of the corresponding axial gap, a threaded hole is formed between the left expansion block and the right expansion block, and threads are arranged on the outer side of the pipe body. The protection device is reasonable and compact in structure, convenient to use, capable of being assembled and disassembled conveniently in the sleeve threads by matched use of the pipe body, the annular stop block, the left expansion block, the right expansion block and an expansion metal screw and safe and reliable, reduces labor intensity of operators, prevents damage to the sleeve threads, prolongs service life and improves working efficiency.
Description
Technical field
the present invention relates to oil drilling and overlap effective thread protector technical field, is a kind ofly to unload the casing screw head device on easily.
Background technology
for preventing that sleeve pipe from causing the wearing and tearing of screw thread or damaging while causing setting of casing on can't be normally and detain in transportation and on-the-spot use procedure, sleeve pipe pin thread box all needs to wear thread protector.The box thread protector used is at present realized by screw thread unloading, and unloads labour intensity in a large number large; In order to reduce labour intensity, some drilling team washes button and does not wear the box thread protector later, and sand and dust easily enter screw thread, and sleeve pipe causes poorly sealed problem after entering well, also easily breaks box when lifting to rig floor; Some thread protector overtonging can cause the shackle difficulty, and on-the-spot the use knocked the mode shackle that even igniting is burned, and this has not only shortened the thread protector life-span but also may damage the sleeve pipe screw thread.
Summary of the invention
the invention provides and a kind ofly unload the casing screw head device on easily, overcome the deficiency of above-mentioned prior art, it can effectively solve existing casing screw head shackle difficulty and cause the problem of short and fragile sleeve pipe screw thread of thread protector life-span.
technical scheme of the present invention realizes by following measures: a kind ofly unload the casing screw head device on easily, comprise body; In the lower end of body, one is fixed with the collar stop that external diameter is greater than body, axial slits is arranged respectively on body and collar stop, be fixedly connected with respectively left expanding block and right expanding block on the inwall of the body of corresponding axial slits both sides, be formed with screwed hole between left expanding block and right expanding block, in the outside of body, screw thread arranged.
below the further optimization and/or improvements to the foregoing invention technical scheme:
above-mentioned have an expanding metal screw on screwed hole, and the expanding metal screw comprises head of screw, the isometrical body of screw and the reducing body of screw that external diameter reduces successively; Head of screw, the isometrical body of screw and the reducing body of screw one successively are fixed together, and the reducing body of screw is tapered, and the reducing body of screw is fixedly mounted in screwed hole by screw thread.
be fixedly connected with respectively left anti-drop block and right anti-drop block on the collar stop inwall of above-mentioned corresponding axial slits both sides, lower inside at left anti-drop block and right anti-drop block has respectively corresponding groove and forms handle hole, the internal diameter of handle hole is less than the external diameter of head of screw, distance between left anti-drop block and right anti-drop block and left expanding block and right expanding block is less than the length of expanding metal screw, and the distance between left anti-drop block and right anti-drop block and left expanding block and right expanding block is greater than the total length of head of screw and the isometrical body of screw.
the length of above-mentioned body is 30 millimeters to 120 millimeters.
the outside screw thread of above-mentioned body is inclined to one side ladder lock BC or oval button LC or short round buckle STC or WAM button.
reasonable and compact in structure of the present invention, easy to use, by being used in conjunction with of body, collar stop, left expanding block, right expanding block and expanding metal screw, the realization purpose of the present invention that is easy for installation and removal in the sleeve pipe screw thread, there are safe and reliable characteristics, reduced operating personnel's labour intensity, prevented the damage of sleeve pipe screw thread, extend application life of the present invention, improved operating efficiency.
The accompanying drawing explanation
accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
the top view that accompanying drawing 2 is accompanying drawing 1.
coding in accompanying drawing is respectively: 1 is body, and 2 is collar stop, and 3 is axial slits, and 4 is left expanding block, and 5 is right expanding block, and 6 is the expanding metal screw, and 7 is left anti-drop block, and 8 is right anti-drop block, and 9 is handle hole, and 10 is screwed hole.
The specific embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all to be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2, unload the casing screw head device on this is easy and comprise body 1; Be fixed with in the lower end of body 1 one the collar stop 2 that external diameter is greater than body 1, on body 1 and collar stop 2, axial slits 3 is arranged respectively, be fixedly connected with respectively left expanding block 4 and right expanding block 5 on the inwall of the body 1 of corresponding axial slits 3 both sides, be formed with screwed hole 10 between left expanding block 4 and right expanding block 5, in the outside of body 1, screw thread arranged.Body 1, collar stop 2, left expanding block 4 and right expanding block 5 can be existing public plastic material and make.
can be according to actual needs, unload the casing screw head device on easily and make further optimization and/or improvements above-mentioned:
as shown in accompanying drawing 1,2, expanding metal screw 6 is arranged on screwed hole 10, expanding metal screw 6 comprises head of screw, the isometrical body of screw and the reducing body of screw that external diameter reduces successively; Head of screw, the isometrical body of screw and the reducing body of screw one successively are fixed together, and the reducing body of screw is tapered, and the reducing body of screw is fixedly mounted in screwed hole 10 by screw thread.Like this, screw out that the axial slits 3 that makes body 1 and collar stop 2 struts and in the raw by expanding metal screw 6 at the interior screw-in of screwed hole 10, thereby facilitated the installation and removal of body 1 in sleeve pipe.
as shown in accompanying drawing 1,2, be fixedly connected with respectively left anti-drop block 7 and right anti-drop block 8 on collar stop 2 inwalls of corresponding axial slits 3 both sides, lower inside at left anti-drop block 7 and right anti-drop block 8 has respectively corresponding groove and forms handle hole 9, the internal diameter of handle hole 9 is less than the external diameter of head of screw, distance between left anti-drop block 7 and right anti-drop block 8 and left expanding block 4 and right expanding block 5 is less than the length of expanding metal screw 6, and the distance between left anti-drop block 7 and right anti-drop block 8 and left expanding block 4 and right expanding block 5 is greater than the total length of head of screw and the isometrical body of screw.Like this, left anti-drop block 7 and right anti-drop block 8 have prevented that expanding metal screw 6 breaks away from screwed hole 10 when loosening.
as required, the length of body 1 is 30 millimeters to 120 millimeters.
as required, the outside screw thread of body 1 is inclined to one side ladder lock BC or oval button LC or short round buckle STC or WAM button.Like this, being convenient to body 1 is fixedly mounted in sleeve pipe by screw thread.
above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (6)
1. one kind is unloaded the casing screw head device on easily, it is characterized in that comprising body; In the lower end of body, one is fixed with the collar stop that external diameter is greater than body, axial slits is arranged respectively on body and collar stop, be fixedly connected with respectively left expanding block and right expanding block on the inwall of the body of corresponding axial slits both sides, be formed with screwed hole between left expanding block and right expanding block, in the outside of body, screw thread arranged.
2. according to claim 1ly unload the casing screw head device on easily, it is characterized in that on screwed hole that the expanding metal screw is arranged, the expanding metal screw comprises head of screw, the isometrical body of screw and the reducing body of screw that external diameter reduces successively; Head of screw, the isometrical body of screw and the reducing body of screw one successively are fixed together, and the reducing body of screw is tapered, and the reducing body of screw is fixedly mounted in screwed hole by screw thread.
3. according to claim 2ly unload the casing screw head device on easily, it is characterized in that being fixedly connected with respectively left anti-drop block and right anti-drop block on the collar stop inwall of corresponding axial slits both sides, lower inside at left anti-drop block and right anti-drop block has respectively corresponding groove and forms handle hole, the internal diameter of handle hole is less than the external diameter of head of screw, distance between left anti-drop block and right anti-drop block and left expanding block and right expanding block is less than the length of expanding metal screw, distance between left anti-drop block and right anti-drop block and left expanding block and right expanding block is greater than the total length of head of screw and the isometrical body of screw.
4. describedly unload the casing screw head device on easily according to claim 1 or 2 or 3, the length that it is characterized in that body is 30 millimeters to 120 millimeters.
5. describedly unload the casing screw head device on easily according to claim 1 or 2 or 3, the outside screw thread that it is characterized in that body is inclined to one side ladder lock BC or oval button LC or short round buckle STC or WAM button.
6. according to claim 4ly unload the casing screw head device on easily, the outside screw thread that it is characterized in that body is inclined to one side ladder lock BC or oval button LC or short round buckle STC or WAM button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402749.4A CN103470194B (en) | 2013-09-07 | 2013-09-07 | Casing screw head device is unloaded easily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402749.4A CN103470194B (en) | 2013-09-07 | 2013-09-07 | Casing screw head device is unloaded easily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470194A true CN103470194A (en) | 2013-12-25 |
| CN103470194B CN103470194B (en) | 2015-12-23 |
Family
ID=49795219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310402749.4A Active CN103470194B (en) | 2013-09-07 | 2013-09-07 | Casing screw head device is unloaded easily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988687A (en) * | 2017-05-02 | 2017-07-28 | 中国神华能源股份有限公司 | A kind of oil pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2089401A (en) * | 1980-12-17 | 1982-06-23 | Superior Casing Crews Inc | Pipe thread protector |
| CN2068582U (en) * | 1990-06-22 | 1991-01-02 | 任俊 | Quick detachable protecting wire of casing |
| CN2125689U (en) * | 1992-07-02 | 1992-12-23 | 华北石油管理局钻井工艺研究所 | Fast dismounting protecting wire |
| US20050230109A1 (en) * | 2004-04-15 | 2005-10-20 | Reinhold Kammann | Apparatus identification systems and methods |
| US7066209B2 (en) * | 2004-04-27 | 2006-06-27 | Sumitomo Metal Industries, Ltd. | Thread protector |
| CN102753450A (en) * | 2009-12-21 | 2012-10-24 | 管道保护有限公司 | Wellbore pipe protection device |
| CN203515365U (en) * | 2013-09-07 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Casing pipe female thread protector easy to assemble and disassemble |
| JP7066209B2 (en) * | 2016-11-14 | 2022-05-13 | 高雄醫學大學 | Detection method, prevention and treatment of abnormal glucose metabolism |
-
2013
- 2013-09-07 CN CN201310402749.4A patent/CN103470194B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2089401A (en) * | 1980-12-17 | 1982-06-23 | Superior Casing Crews Inc | Pipe thread protector |
| CN2068582U (en) * | 1990-06-22 | 1991-01-02 | 任俊 | Quick detachable protecting wire of casing |
| CN2125689U (en) * | 1992-07-02 | 1992-12-23 | 华北石油管理局钻井工艺研究所 | Fast dismounting protecting wire |
| US20050230109A1 (en) * | 2004-04-15 | 2005-10-20 | Reinhold Kammann | Apparatus identification systems and methods |
| US7066209B2 (en) * | 2004-04-27 | 2006-06-27 | Sumitomo Metal Industries, Ltd. | Thread protector |
| CN102753450A (en) * | 2009-12-21 | 2012-10-24 | 管道保护有限公司 | Wellbore pipe protection device |
| CN203515365U (en) * | 2013-09-07 | 2014-04-02 | 中国石油集团西部钻探工程有限公司 | Casing pipe female thread protector easy to assemble and disassemble |
| JP7066209B2 (en) * | 2016-11-14 | 2022-05-13 | 高雄醫學大學 | Detection method, prevention and treatment of abnormal glucose metabolism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988687A (en) * | 2017-05-02 | 2017-07-28 | 中国神华能源股份有限公司 | A kind of oil pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470194B (en) | 2015-12-23 |
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