CN110131277B - Oil drilling platform is with fixed firm double-screw bolt - Google Patents
Oil drilling platform is with fixed firm double-screw bolt Download PDFInfo
- Publication number
- CN110131277B CN110131277B CN201910494949.4A CN201910494949A CN110131277B CN 110131277 B CN110131277 B CN 110131277B CN 201910494949 A CN201910494949 A CN 201910494949A CN 110131277 B CN110131277 B CN 110131277B
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- Prior art keywords
- screw
- nut
- rod
- polished rod
- external thread
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- 238000005553 drilling Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a firmly fixed stud for an oil drilling platform, which comprises a stud main body, a nut, a first external thread, a second external thread and a threaded hole, wherein the stud main body consists of a first screw rod, a polished rod and a second screw rod, the upper end of the polished rod is connected with the first screw rod, the first external thread is arranged on the first screw rod, the lower end of the polished rod is connected with the second screw rod, the second external thread is arranged on the second screw rod, the outer diameters of a first straight rod and the second straight rod are smaller than the outer diameter of the polished rod, the nut is screwed on the first screw rod, the nut is provided with the threaded hole, the bottom of the threaded hole is provided with a protective groove, the inner diameter of the protective groove is larger than the outer diameter of the polished rod, and the inner wall of the protective groove is provided with an elastic sleeve. According to the invention, the protection groove is matched with the elastic sleeve, so that the protection sleeve can better sleeve the upper part of the polished rod, the stud is firmly fixed and is not easy to loosen, and a certain sealing effect is achieved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of studs.
[ background of the invention ]
Stud is a common fastener, and has a wide application, wherein the stud has a wide application on an oil drilling platform. The stud used on the oil drilling platform is required to be firmly fixed, not easy to loosen and convenient to process after being twisted off. The existing stud cannot well meet the requirement.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a firmly fixed stud for an oil drilling platform, which can be firmly fixed, is not easy to loosen and is convenient to process after being broken.
In order to achieve the purpose, the invention provides a firmly fixed stud for an oil drilling platform, which comprises a stud main body, a nut, a first external thread, a second external thread and a threaded hole, wherein the stud main body consists of a first screw rod, a polished rod and a second screw rod, the upper end of the polished rod is connected with the first screw rod, the first screw rod is provided with the first external thread, the lower end of the polished rod is connected with the second screw rod, the second screw rod is provided with the second external thread, the outer diameters of a first straight rod and a second straight rod are smaller than the outer diameter of the polished rod, the first screw rod is screwed with the nut, the nut is provided with the threaded hole, the bottom of the threaded hole is provided with a protective groove, the inner diameter of the protective groove is larger than the outer diameter of the polished rod, the inner wall of the protective groove is provided with an elastic sleeve, the diameter of the first screw rod is slightly smaller than the diameter of the second screw rod, and a part of the polished rod extends into the protective groove when the nut is screwed, the internal diameter of elastic sleeve under the non-atress state is greater than the external diameter of first screw rod and is less than the external diameter of polished rod, be fixed with a spring catch on the nut, be equipped with the round mounting groove on the first screw rod, twined the iron chain in the mounting groove, the iron chain is fixed mutually with the tank bottom of mounting groove, and the other end and the spring catch of iron chain are fixed mutually, and the winding direction of iron chain and the screwing up opposite direction of nut, the screwing up direction of nut and the screwing up direction of second screw rod are the same, be equipped with a plurality of locking lines on the bottom face of nut, the top of first screw rod is equipped with one and screws up the boss, screws up the transversal regular hexagon of personally submitting of boss, screws up boss and first screw rod formula structure as an organic whole.
The invention has the beneficial effects that: according to the invention, the protection groove is matched with the elastic sleeve, so that the protection sleeve can better sleeve the upper part of the polished rod, the stud is firmly fixed and is not easy to loosen, and a certain sealing effect is achieved; the outer diameters of the polished rod, the second screw rod and the first screw rod are sequentially reduced, so that the screw rod is not easy to twist off at the polished rod and the second screw rod, and the processing after the screw rod is twisted off is convenient.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a firmly fixed stud for an oil rig according to the present invention.
In the figure: 1-stud body, 2-nut, 10-polished rod, 11-first screw, 12-second screw, 13-first external thread, 14-second external thread, 15-tightening boss, 16-mounting groove, 17-iron chain, 20-spring lock catch, 21-threaded hole, 22-internal thread, 23-protection groove, 24-elastic sleeve and 25-anti-loose thread.
[ detailed description ] embodiments
Referring to fig. 1, the firmly fixed stud for the oil drilling platform of the present invention comprises a stud body 1, a nut 2, a first external thread 13, a second external thread 14, and a threaded hole 21, wherein the stud body 1 is composed of a first screw 11, a polish rod 10, and a second screw 12, the upper end of the polish rod 10 is connected with the first screw 11, the first screw 11 is provided with the first external thread 13, the lower end of the polish rod 10 is connected with the second screw 12, the second screw 12 is provided with the second external thread 14, the outer diameters of the first straight rod and the second straight rod are both smaller than the outer diameter of the polish rod 10, the first screw 11 is screwed with the nut 2, the nut 2 is provided with the threaded hole 21, the threaded hole 21 is internally provided with an internal thread 22 matched with the first external thread 13, the bottom of the threaded hole 21 is provided with a protection groove 23, the internal diameter of the protection groove 23 is larger than the external diameter of the polish rod 10, the inner wall of the protection groove 23 is provided with an elastic sleeve 24, the diameter of the first screw 11 is slightly smaller than that of the second screw 12, a part of the polish rod 10 extends into the protective groove 23 when the nut 2 is screwed, the inner diameter of the elastic sleeve 24 in an unstressed state is larger than the outer diameter of the first screw 11 and smaller than the outer diameter of the polish rod 10, the screwing direction of the nut 2 is the same as that of the second screw 12, a plurality of anti-loosening threads 25 are arranged on the bottom end surface of the nut 2, the top end of the first screw rod 11 is provided with a tightening boss 15, the cross section of the tightening boss 15 is in a regular hexagon shape, the tightening boss 15 and the first screw rod 11 are in an integral structure, the nut 2 is fixed with a spring lock catch 20, the first screw rod 11 is provided with a circle of mounting groove 16, an iron chain 17 is wound in the mounting groove 16, the iron chain 17 is fixed with the bottom of the mounting groove 16, the other end of the iron chain 17 is fixed with the spring lock catch 20, and the winding direction of the iron chain 17 is opposite to the screwing direction of the nut 2.
The working process of the invention is as follows:
in the working process of the firmly fixed stud for the oil drilling platform, the protective groove 23 is matched with the elastic sleeve 24, so that the protective sleeve 24 can better sleeve the upper part of the polished rod 10, the stud is firmly fixed and is not easy to loosen, and a certain sealing effect is achieved; the outer diameters of the polish rod 10, the second screw 12 and the first screw 11 are sequentially reduced, so that the stud is not easy to twist off at the polish rod 10 and the second screw 12, and the processing after the stud is twisted off is convenient.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (1)
1. The utility model provides an oil drilling platform is with fixed firm double-screw bolt which characterized in that: comprises a stud main body (1), a nut (2), a first external thread (13), a second external thread (14) and a threaded hole (21), wherein the stud main body (1) consists of a first screw (11), a polished rod (10) and a second screw (12), the upper end of the polished rod (10) is connected with the first screw (11), the first external thread (13) is arranged on the first screw (11), the lower end of the polished rod (10) is connected with the second screw (12), the second external thread (14) is arranged on the second screw (12), the outer diameters of the first screw and the second screw are both smaller than the outer diameter of the polished rod (10), the nut (2) is screwed on the first screw (11), the threaded hole (21) is arranged on the nut (2), an internal thread (22) matched with the first external thread (13) is arranged in the threaded hole (21), and a protective groove (23) is arranged at the bottom of the threaded hole (21), the internal diameter of protection groove (23) is greater than the external diameter of polished rod (10), be equipped with an elastic sleeve (24) on the inner wall of protection groove (23), the diameter of first screw rod (11) slightly is less than the diameter of second screw rod (12), polished rod (10) have a part to stretch into in protection groove (23) when nut (2) are screwed up, elastic sleeve (24) internal diameter under the non-stress state is greater than the external diameter of first screw rod (11) and is less than the external diameter of polished rod (10), be fixed with a spring catch (20) on nut (2), be equipped with round mounting groove (16) on first screw rod (11), twine iron chain (17) in mounting groove (16), the tank bottom of iron chain (17) and mounting groove (16) is fixed mutually, the other end and the spring catch (20) of iron chain (17) are fixed mutually, the winding direction of iron chain (17) is opposite with the screwing up direction of nut (2), the tightening direction of the nut (2) is the same as that of the second screw (12), a plurality of anti-loosening threads (25) are arranged on the bottom end face of the nut (2), a tightening boss (15) is arranged at the top end of the first screw (11), the cross section of the tightening boss (15) is in a regular hexagon shape, and the tightening boss (15) and the first screw (11) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494949.4A CN110131277B (en) | 2019-06-10 | 2019-06-10 | Oil drilling platform is with fixed firm double-screw bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494949.4A CN110131277B (en) | 2019-06-10 | 2019-06-10 | Oil drilling platform is with fixed firm double-screw bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131277A CN110131277A (en) | 2019-08-16 |
| CN110131277B true CN110131277B (en) | 2021-11-09 |
Family
ID=67580799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910494949.4A Active CN110131277B (en) | 2019-06-10 | 2019-06-10 | Oil drilling platform is with fixed firm double-screw bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131277B (en) |
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| CN2209730Y (en) * | 1995-01-03 | 1995-10-11 | 刘堂礼 | Double-wobbler high-strength screw bolt |
| JPH08232935A (en) * | 1994-11-11 | 1996-09-10 | Masahiko Yoshida | Method for executing bracket to be installed on rear surface and bracket to be installed on rear surface |
| JP2003019537A (en) * | 2001-07-05 | 2003-01-21 | Sakamura Mach Co Ltd | Method of manufacturing torque indicating bolt |
| CN201507525U (en) * | 2009-09-08 | 2010-06-16 | 华为技术有限公司 | Anti-drop screw kit |
| DE202010010488U1 (en) * | 2010-07-22 | 2010-10-14 | S-Fasteners Gmbh | Decompression closure with screw connection for holding components together |
| CN201902416U (en) * | 2010-12-06 | 2011-07-20 | 中国航空工业集团公司第六三一研究所 | Liquid circulation sealing device |
| CN202673938U (en) * | 2012-05-22 | 2013-01-16 | 贵州精立航太科技有限公司 | Positioning installation screw bolt with controlled torque |
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| CN108467932A (en) * | 2018-06-25 | 2018-08-31 | 海盐县秦山橡胶厂 | A kind of screw rod annealing device safe to use |
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| CN101619738A (en) * | 2009-04-23 | 2010-01-06 | 贵州航天精工制造有限公司 | Method and structure for preventing bolt from being irregularly broken when exceeding specified stress value |
| CN201771920U (en) * | 2010-08-18 | 2011-03-23 | 浙江捷能汽车零部件有限公司 | Stud bolt |
| DE102010063710B4 (en) * | 2010-12-21 | 2012-08-30 | Aktiebolaget Skf | Clamping gap nut |
| CN204175762U (en) * | 2014-10-08 | 2015-02-25 | 浙江明泰标准件有限公司 | A kind of automobile lock nut |
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2019
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| CN2209730Y (en) * | 1995-01-03 | 1995-10-11 | 刘堂礼 | Double-wobbler high-strength screw bolt |
| JP2003019537A (en) * | 2001-07-05 | 2003-01-21 | Sakamura Mach Co Ltd | Method of manufacturing torque indicating bolt |
| CN201507525U (en) * | 2009-09-08 | 2010-06-16 | 华为技术有限公司 | Anti-drop screw kit |
| DE202010010488U1 (en) * | 2010-07-22 | 2010-10-14 | S-Fasteners Gmbh | Decompression closure with screw connection for holding components together |
| CN201902416U (en) * | 2010-12-06 | 2011-07-20 | 中国航空工业集团公司第六三一研究所 | Liquid circulation sealing device |
| CN202673938U (en) * | 2012-05-22 | 2013-01-16 | 贵州精立航太科技有限公司 | Positioning installation screw bolt with controlled torque |
| CN203404209U (en) * | 2013-06-09 | 2014-01-22 | 邢台钢铁有限责任公司 | Shaft pin not easy to fall and convenient to replace |
| CN104791338A (en) * | 2015-04-01 | 2015-07-22 | 天峋创新（北京）科技有限公司 | Quick dismounting and mounting fastening bolt structure |
| CN108467932A (en) * | 2018-06-25 | 2018-08-31 | 海盐县秦山橡胶厂 | A kind of screw rod annealing device safe to use |
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| Publication number | Publication date |
|---|---|
| CN110131277A (en) | 2019-08-16 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211026 Address after: 314300 No. 52, xizhangmen, Qinshan community, Qinshan street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Jiaxing Sanxi New Material Co.,Ltd. Address before: 314300 Qinshan town Qinshan village Haiyan County Jiaxing City Zhejiang Province Applicant before: HAIYAN QINSHAN RUBBER FACTORY |
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| TA01 | Transfer of patent application right | ||
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