CN110848232B - Tight-clamping interlocking locknut - Google Patents
Tight-clamping interlocking locknut Download PDFInfo
- Publication number
- CN110848232B CN110848232B CN201911238702.2A CN201911238702A CN110848232B CN 110848232 B CN110848232 B CN 110848232B CN 201911238702 A CN201911238702 A CN 201911238702A CN 110848232 B CN110848232 B CN 110848232B
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- Prior art keywords
- nut
- convex ribs
- bolt
- spiral shell
- arc
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- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- 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
- F16B37/00—Nuts or like thread-engaging members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a locknut capable of clamping and interlocking, which is mainly used in the field of machinery; it has the interlocking function, simple manufacture and convenient use; it is composed of a nut A and a nut B; the working principle is as follows: screw up nut B on the bolt earlier and make nut B's lower extreme compress tightly the work piece, screw up nut A's extrusion portion down on the bolt again, many fin A of nut A extrude earlier with many fin B of nut B and take place elastic compression, many fin A of nut A cross down behind the corresponding many fin B of nut B, many fin A of nut A and many fin B of nut B take place elastic recovery again, many fin B's of nut B lower extreme pushes down nut A's upper end this moment, nut A and nut B realize the interlocking, and simultaneously, nut A's extrusion portion extrudees a plurality of circular arc sections of nut B, the internal thread B of a plurality of circular arc sections extrudes the external screw thread of bolt again, tightly hug closely the external screw thread of bolt, reach locking purpose.
Description
Technical Field
The invention is mainly used for fixing components in the mechanical field or the building field, and is particularly suitable for fixing components which frequently vibrate.
Background
The currently used or patented locknuts cannot be interlocked, and finally the nuts are loosened from the bolts; some nuts have the function of anti-loosening and locking, but need to be additionally provided with accessories, and are inconvenient to manufacture and use.
Disclosure of Invention
The interlocking nut solves the problems, has an interlocking function, can not be loosened from a bolt after being screwed, does not need to add extra accessories, and is convenient to manufacture and use; it is composed of a nut A (1) and a nut B (6); the nut A (1) is composed of a screw body A (2), an extrusion part (3) and a plurality of convex ribs A (4), wherein the screw body A (2) is provided with an internal thread A (5), the internal thread A (5) is matched with an external thread of a bolt (11), the lower end of the screw body A (2) is the extrusion part (3), the extrusion part (3) is a conical ring with a small top and a large bottom, the inner side surface of the conical ring is provided with a plurality of horizontal strip-shaped convex ribs A (4), the upper part of the cross section of each convex rib A (4) is a plane A (14), and the lower part of the cross section of each convex rib A (4) is an arc surface A (; nut B (6) is by spiral shell body B (7), fin B (10) are constituteed, spiral shell body B (7) is big end down's round platform shape, the centre has the through-hole, the inner wall of its through-hole has internal thread B (8), internal thread B (8) are identical with the external screw thread of bolt (11), the lateral surface of spiral shell body B (7) has a plurality of horizontal bar fin B (10), the upper portion of fin B (10) cross section is arc surface B (15), the lower part of fin B (10) cross section is plane B (16), spiral shell body B (7) processing has a plurality of evenly distributed's groove (9), the opening of groove (9) makes progress, a plurality of groove (9) are cut apart spiral shell body B (7) into a plurality of arc sections (13), arc section (13) have a plurality of horizontal bar fin B (10) equally, the lower part of a plurality of groove (9) of spiral shell body B (7) is holistic bottom, the inclination of the medial surface of the extrusion portion (3) of nut A (1) is than the spiral shell body B (7) inclination's of spiral shell body B ( The plurality of convex ribs A (4) of the nut A (1) and the plurality of convex ribs B (10) of the nut B (6) are in one-to-one correspondence; the working principle of the locknut is as follows: firstly screwing a nut B (6) on a bolt (11) and enabling the lower end of the nut B (6) to press a workpiece (12), wherein the small surface of the truncated cone shape faces upwards, then screwing an extrusion part (3) of the nut A (1) on the bolt (11) downwards, in the screwing process of the nut A (1), a plurality of convex ribs A (4) of the nut A (1) and a plurality of convex ribs B (10) of the nut B (6) are mutually attached, continuously screwing the nut A (1), firstly extruding the arc surfaces A (17) of the plurality of convex ribs A (4) of the nut A (1) and the arc surfaces B (15) of the plurality of convex ribs B (10) of the nut B (6) to generate elastic compression, and when the arc surfaces A (17) of the plurality of convex ribs A (4) of the nut A (1) downwards pass through the arc surfaces B (15) of the plurality of convex ribs B (10) corresponding to the nut B (6), then restoring the elasticity of the plurality of convex ribs A (4) of the nut A (1) and the convex ribs B (6) of the nut B (10) to generate elastic compression again, at the moment, a plane B (16) at the lower end of a plurality of convex ribs B (10) of a nut B (6) presses a plane A (14) at the upper end of a plurality of convex ribs A (4) of the nut A (1), the lower end of the nut A (1) tightly pushes a workpiece (12), the nut B (6) is completely wrapped in an extrusion part (3) of the nut A (1), the nut A (1) and the nut B (6) realize interlocking, simultaneously, the extrusion part (3) of the nut A (1) extrudes a plurality of arc sections (13) of the nut B (6) because the gradient of the inner side surface of the extrusion part (3) of the nut A (1) is larger than the gradient of the outer side surface of a screw body B (7) of the nut B (6), the inner threads B (8) of the plurality of arc sections (13) extrude the outer threads of the bolt (11), and the outer threads of the bolt (11) are tightly hooped, so that the friction force between the inner threads B (8) of the plurality of the arc sections (13) and the outer threads of, the purpose of preventing looseness is achieved; the fixed workpiece (12) is under the action of vibration load, the nut A (1) will become flexible first, the multiple convex ribs B (10) of the nut B (6) constrain the multiple convex ribs A (4) of the nut A (1) to prevent the nut A (1) from becoming flexible, the nut A (1) which is not flexible tightly hoops the nut B (6) to make the nut B (6) not flexible, and the purpose of looseness prevention is realized by the interaction and mutual restriction.
Drawings
Description of reference numerals: 1-nut A, 2-body A, 3-extrusion part, 4-rib A, 5-internal thread A, 6-nut B, 7-body B, 8-internal thread B, 9-groove, 10-rib B, 11-bolt, 12-workpiece, 13-arc segment, 14-plane A, 15-arc surface B, 16-plane B and 17-arc surface A.
Fig. 1 is a vertical sectional view of the nut a.
Fig. 2 is a vertical sectional view of the nut B.
Fig. 3 is an elevation view of the nut B.
Fig. 4 is a plan view of the nut B.
Fig. 5 is a bottom view of the nut a.
Fig. 6 is an assembly diagram of the nut a, the nut B, and the bolt.
Fig. 7 is a partial perspective view of the nut a and the nut B after being tightened with the bolt.
Fig. 8 is a partial perspective view of fig. 7.
Fig. 9 is a partial perspective view of fig. 8.
Detailed Description
Referring to fig. 1 to 9, first, nut B6 is screwed onto bolt 11, and the lower end of nut B6 is pressed against workpiece 12, the truncated cone-shaped facet thereof is facing upward, then pressing portion 3 of nut A1 is screwed onto bolt 11 downward, during the screwing of nut A1, a plurality of ribs a4 of nut A1 and a plurality of ribs B6 of nut B6 are pressed against each other, nut a 6 is screwed on continuously, after arc a17 of a plurality of ribs a 6 of nut a 6 and arc B6 of a plurality of ribs B6 of nut B6 are pressed first to be elastically compressed, when arc a 6 of a plurality of ribs a 6 of nut a 6 downwardly crosses arc B6 of a plurality of corresponding ribs B6 of nut B6, a plurality of ribs a 6 of nut a 6 and a plurality of ribs B6 of nut B6 are elastically restored, and at this time, a plurality of ribs a 6 of nut B6 press against the upper end of workpiece a 6 a flat surface 6 a 6 of nut B6, and a plurality of ribs a top end of nut B6 a 6 is pressed against workpiece 12, the nut B6 is completely wrapped in the extrusion part 3 of the nut A1 in an embracing mode, the nut A1 and the nut B6 are interlocked, meanwhile, the inclination of the inner side face of the extrusion part 3 of the nut A1 is larger than that of the outer side face of the body B7 of the nut B6, the extrusion part 3 of the nut A1 extrudes the plurality of arc sections 13 of the nut B6, the internal threads B8 of the plurality of arc sections 13 extrude the external threads of the bolt 11, and the external threads of the bolt 11 are tightly embraced, so that the friction force between the internal threads B8 of the plurality of arc sections 13 and the external threads of the bolt 11 is greatly increased, and the purpose of looseness prevention is achieved; under the action of vibration load, the nut A1 will loosen first, the multiple convex ribs B10 of the nut B6 restrain the multiple convex ribs A4 of the nut A1 to prevent the nut A1 from loosening, the nut A1 which is not loosened tightly hoops the nut B6, the nut B6 is not loosened, and the purpose of loosening prevention is achieved through interaction and mutual restriction.
Claims (1)
1. Can press from both sides tight locknut that can interlock, characterized by: it is composed of a nut A (1) and a nut B (6); the nut A (1) is composed of a screw body A (2), an extrusion part (3) and a plurality of convex ribs A (4), wherein the screw body A (2) is provided with an internal thread A (5), the internal thread A (5) is matched with an external thread of a bolt (11), the lower end of the screw body A (2) is the extrusion part (3), the extrusion part (3) is a conical ring with a small top and a large bottom, the inner side surface of the conical ring is provided with a plurality of horizontal strip-shaped convex ribs A (4), the upper part of the cross section of each convex rib A (4) is a plane A (14), and the lower part of the cross section of each convex rib A (4) is an arc surface A (; nut B (6) is by spiral shell body B (7), fin B (10) are constituteed, spiral shell body B (7) is big end down's round platform shape, the centre has the through-hole, the inner wall of its through-hole has internal thread B (8), internal thread B (8) are identical with the external screw thread of bolt (11), the lateral surface of spiral shell body B (7) has a plurality of horizontal bar fin B (10), the upper portion of fin B (10) cross section is arc surface B (15), the lower part of fin B (10) cross section is plane B (16), spiral shell body B (7) processing has a plurality of evenly distributed's groove (9), the opening of groove (9) makes progress, a plurality of groove (9) are cut apart spiral shell body B (7) into a plurality of arc sections (13), arc section (13) have a plurality of horizontal bar fin B (10) equally, the lower part of a plurality of groove (9) of spiral shell body B (7) is holistic bottom, the inclination of the medial surface of the extrusion portion (3) of nut A (1) is than the spiral shell body B (7) inclination's of spiral shell body B ( The plurality of convex ribs A (4) of the nut A (1) and the plurality of convex ribs B (10) of the nut B (6) are in one-to-one correspondence; the working principle of the locknut is as follows: firstly screwing a nut B (6) on a bolt (11) and enabling the lower end of the nut B (6) to press a workpiece (12), wherein the small surface of the truncated cone shape faces upwards, then screwing an extrusion part (3) of the nut A (1) on the bolt (11) downwards, in the screwing process of the nut A (1), a plurality of convex ribs A (4) of the nut A (1) and a plurality of convex ribs B (10) of the nut B (6) are mutually attached, continuously screwing the nut A (1), firstly extruding the arc surfaces A (17) of the plurality of convex ribs A (4) of the nut A (1) and the arc surfaces B (15) of the plurality of convex ribs B (10) of the nut B (6) to generate elastic compression, and when the arc surfaces A (17) of the plurality of convex ribs A (4) of the nut A (1) downwards pass through the arc surfaces B (15) of the plurality of convex ribs B (10) corresponding to the nut B (6), then restoring the elasticity of the plurality of convex ribs A (4) of the nut A (1) and the convex ribs B (6) of the nut B (10) to generate elastic compression again, at the moment, a plane B (16) at the lower end of a plurality of convex ribs B (10) of a nut B (6) presses a plane A (14) at the upper end of a plurality of convex ribs A (4) of the nut A (1), the lower end of the nut A (1) tightly pushes a workpiece (12), the nut B (6) is completely wrapped in an extrusion part (3) of the nut A (1), the nut A (1) and the nut B (6) realize interlocking, simultaneously, the extrusion part (3) of the nut A (1) extrudes a plurality of arc sections (13) of the nut B (6) because the gradient of the inner side surface of the extrusion part (3) of the nut A (1) is larger than the gradient of the outer side surface of a screw body B (7) of the nut B (6), the inner threads B (8) of the plurality of arc sections (13) extrude the outer threads of the bolt (11), and the outer threads of the bolt (11) are tightly hooped, so that the friction force between the inner threads B (8) of the plurality of the arc sections (13) and the outer threads of, the purpose of preventing looseness is achieved; the fixed workpiece (12) is under the action of vibration load, the nut A (1) will become flexible first, the multiple convex ribs B (10) of the nut B (6) constrain the multiple convex ribs A (4) of the nut A (1) to prevent the nut A (1) from becoming flexible, the nut A (1) which is not flexible tightly hoops the nut B (6) to make the nut B (6) not flexible, and the purpose of looseness prevention is realized by the interaction and mutual restriction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238702.2A CN110848232B (en) | 2019-12-06 | 2019-12-06 | Tight-clamping interlocking locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238702.2A CN110848232B (en) | 2019-12-06 | 2019-12-06 | Tight-clamping interlocking locknut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110848232A CN110848232A (en) | 2020-02-28 |
| CN110848232B true CN110848232B (en) | 2021-01-22 |
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ID=69608467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238702.2A Active CN110848232B (en) | 2019-12-06 | 2019-12-06 | Tight-clamping interlocking locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110848232B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365352B (en) * | 2020-03-31 | 2020-11-10 | 叶春林 | Simple anti-loose nut |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130026A (en) * | 2001-10-30 | 2003-05-08 | Honda Motor Co Ltd | Flanged nut |
| CN108757699A (en) * | 2018-06-16 | 2018-11-06 | 荆门创佳机械科技有限公司 | A kind of interlockable stop nut |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05202920A (en) * | 1992-01-27 | 1993-08-10 | Inba Denki Sangyo Kk | Nut |
| SE501902C2 (en) * | 1992-08-31 | 1995-06-19 | Arrow Plastic Ab | Screw-nut connections |
| JPH09210039A (en) * | 1996-02-06 | 1997-08-12 | Alloy:Kk | Detent nut |
| JP6096420B2 (en) * | 2012-04-09 | 2017-03-15 | 文吉 田中 | Lock nut |
| JP6417059B1 (en) * | 2017-05-29 | 2018-10-31 | 宝輝 山下 | Nut and fastening method |
| CN207795812U (en) * | 2017-11-29 | 2018-08-31 | 忻建国 | A kind of combination stop nut and coupling structure using tapered thread locking |
| CN208330961U (en) * | 2018-05-21 | 2019-01-04 | 廖炳钢 | Combined self stop nut |
| CN108730313B (en) * | 2018-06-14 | 2020-05-22 | 荆门创佳机械科技有限公司 | Interlocking locknut |
| CN208456998U (en) * | 2018-08-20 | 2019-02-01 | 周汕锟 | A kind of bumps pairs of anti-loose nut structure |
| CN110259804B (en) * | 2019-07-13 | 2020-03-31 | 叶春林 | Nut without loosening |
-
2019
- 2019-12-06 CN CN201911238702.2A patent/CN110848232B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003130026A (en) * | 2001-10-30 | 2003-05-08 | Honda Motor Co Ltd | Flanged nut |
| CN108757699A (en) * | 2018-06-16 | 2018-11-06 | 荆门创佳机械科技有限公司 | A kind of interlockable stop nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110848232A (en) | 2020-02-28 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211202 Address after: 324000 No. 60, Donggang Second Road, Quzhou City, Zhejiang Province Patentee after: QUZHOU TIANLI FASTENERS Co.,Ltd. Address before: No. 1023, block B, No. 38, south end of Xiangshan Avenue, Zhanghe New District, Jingmen City, Hubei Province Patentee before: Jingmen Baisi Machinery Technology Co.,Ltd. |