CN110873113B - Interlocking reusable locknut - Google Patents
Interlocking reusable locknut Download PDFInfo
- Publication number
- CN110873113B CN110873113B CN201911237658.3A CN201911237658A CN110873113B CN 110873113 B CN110873113 B CN 110873113B CN 201911237658 A CN201911237658 A CN 201911237658A CN 110873113 B CN110873113 B CN 110873113B
- Authority
- CN
- China
- Prior art keywords
- nut
- convex ribs
- bolt
- many fin
- extrusion part
- 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.)
- Active
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 208000029152 Small face Diseases 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 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
- 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
- F16B39/122—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis
-
- 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
Abstract
The invention discloses a locking nut capable of being interlocked and recycled, which is mainly used in the field of machinery; the interlocking function is realized, and the nut can be repeatedly used; 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, is convenient to manufacture and use, and can be recycled; 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 upper part and a large lower part, the inner side surface of the conical ring is provided with a plurality of horizontal strip-shaped convex ribs A (4), and the cross section of each convex rib A (4) is in a semi-circular arc shape; the nut B (6) is composed of a nut body B (7) and convex ribs B (10), the nut body B (7) is in a round platform shape with a small top and a big bottom, a through hole is arranged in the middle, the inner wall of the through hole is provided with an internal thread B (8), the internal thread B (8) is matched with the external thread of the bolt (11), the outer side surface of the nut body B (7) is provided with a plurality of horizontal strip-shaped convex ribs B (10), the cross section of the convex ribs B (10) is in a semi-circular arc shape, the nut body B (7) is processed with a plurality of uniformly distributed grooves (9), the openings of the grooves (9) are upward, the plurality of grooves (9) divide the nut body B (7) into a plurality of circular arc sections (13), the circular arc sections (13) are also provided with a plurality of horizontal strip-shaped convex ribs B (10), the lower parts of the plurality of grooves (9) of the nut body B (7) are the whole bottom, the gradient of the inner side surface of the extrusion part (3) of the nut, 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 face 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), after the semicircular arc surfaces of a plurality of convex ribs A (4) of the nut A (1) and the semicircular arc surfaces of a plurality of convex ribs B (10) of the nut B (6) are extruded to generate elastic compression, when the semicircular arc surfaces of a plurality of convex ribs A (4) of the nut A (1) downwards cross the semicircular arc surfaces of a plurality of convex ribs B (10) corresponding to the nut B (6), the semicircular arc surfaces of 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) generate elastic recovery, at the moment, the lower ends of a plurality of convex ribs B (10) of the nut B (6) press the upper ends of a plurality of convex ribs A (4) of the nut A (1), the lower end of the nut A (1) pushes against a workpiece (12), the nut B (6) is completely wrapped in the extrusion part (3) of the nut A (1), the nut A (1) and the nut B (6) are interlocked, meanwhile, the inclination of the inner side surface of the extrusion part (3) of the nut A (1) is larger than that of the outer side of the screw body B (7) of the nut B (6), the extrusion part (3) of the nut A (1) extrudes a plurality of arc sections (13) of the nut B (6), the internal threads B (8) 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 wrapped, so that the friction force between the internal threads B (8) of the plurality of the arc sections (13) and the external threads of the bolt (11) is greatly increased, the purpose of preventing looseness is achieved; under the action of vibration load, a fixed workpiece (12) firstly loosens the nut A (1), the plurality of convex ribs B (10) of the nut B (6) constrain the plurality of convex ribs A (4) of the nut A (1) to prevent the nut A (1) from loosening, the nut A (1) which is not loosened tightly hoops the nut B (6) to ensure that the nut B (6) is not loosened, and the purpose of loosening prevention is realized through interaction and mutual restriction; if need loosen locknut, only need reverse rotation nut A (1), the semicircle face of many fin A (4) of nut A (1) and the semicircle face of many fin B (10) of nut B (6) extrude earlier and take place elastic compression, after the semicircle face of many fin A (4) of nut A (1) upwards surpassed the semicircle face of corresponding many fin B (10) of nut B (6), the semicircle face of many fin A (4) of nut A (1) and the semicircle face of many fin B (10) of nut B (6) takes place elastic recovery again, continue reverse rotation nut A (1) again, nut A (1) and nut B (6) loosen, then twist out nut A (1) and nut B (6) and recycle.
Drawings
Description of reference numerals: 1-nut A, 2-screw body A, 3-extrusion part, 4-convex rib A, 5-internal thread A, 6-nut B, 7-screw body B, 8-internal thread B, 9-groove, 10-convex rib B, 11-bolt, 12-workpiece and 13-arc segment.
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.
Detailed Description
Referring to fig. 1 to 7, first, the nut B6 is screwed onto the bolt 11, the lower end of the nut B6 presses against the workpiece 12, the truncated-cone-shaped small face of the nut B6 faces upward, then the pressing portion 3 of the nut a1 faces downward and is screwed onto the bolt 11, during the screwing of the nut a1, the plurality of ribs A4 of the nut a1 and the plurality of ribs B10 of the nut B6 are mutually adhered, the nut a1 is screwed on, the semicircular arc faces of the plurality of ribs A4 of the nut a1 and the semicircular arc faces of the plurality of ribs B10 of the nut B6 are firstly pressed to generate elastic compression, when the semicircular arc faces of the plurality of ribs A4 of the nut a1 pass over the semicircular arc faces of the plurality of ribs B10 of the nut B6, the semicircular arc faces of the plurality of ribs A4 of the nut a1 and the plurality of ribs B10 of the nut B6 are elastically restored, and at this time, the lower end of the plurality of ribs A6 of the nut B6 presses against the workpiece 6, the upper end of the plurality of ribs, 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 the inclination of the outer side 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 fixed workpiece 12 is loosened firstly by the nut A1, the plurality of convex ribs B10 of the nut B6 restrain the plurality of 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 to prevent the nut B6 from loosening, and the purpose of loosening prevention is achieved through interaction and mutual restriction; if the locknut needs to be loosened, only the nut A1 needs to be rotated reversely, the semicircular arc surfaces of the multiple convex ribs A4 of the nut A1 and the semicircular arc surfaces of the multiple convex ribs B10 of the nut B6 are firstly extruded to generate elastic compression, when the semicircular arc surfaces of the multiple convex ribs A4 of the nut A1 upwards cross the semicircular arc surfaces of the corresponding multiple convex ribs B10 of the nut B6, the semicircular arc surfaces of the multiple convex ribs A4 of the nut A1 and the semicircular arc surfaces of the multiple convex ribs B10 of the nut B6 are elastically restored, then the nut A1 continues to be rotated reversely, the nut A1 and the nut B6 are loosened, and then the nut A1 and the nut B6 are unscrewed for reuse.
Claims (1)
1. But interlocking reuse's locknut, 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 upper part and a large lower part, the inner side surface of the conical ring is provided with a plurality of horizontal strip-shaped convex ribs A (4), and the cross section of each convex rib A (4) is in a semi-circular arc shape; the nut B (6) is composed of a nut body B (7) and convex ribs B (10), the nut body B (7) is in a round platform shape with a small top and a big bottom, a through hole is arranged in the middle, the inner wall of the through hole is provided with an internal thread B (8), the internal thread B (8) is matched with the external thread of the bolt (11), the outer side surface of the nut body B (7) is provided with a plurality of horizontal strip-shaped convex ribs B (10), the cross section of the convex ribs B (10) is in a semi-circular arc shape, the nut body B (7) is processed with a plurality of uniformly distributed grooves (9), the openings of the grooves (9) are upward, the plurality of grooves (9) divide the nut body B (7) into a plurality of circular arc sections (13), the circular arc sections (13) are also provided with a plurality of horizontal strip-shaped convex ribs B (10), the lower parts of the plurality of grooves (9) of the nut body B (7) are the whole bottom, the gradient of the inner side surface of the extrusion part (3) of the nut, 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 face 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), after the semicircular arc surfaces of a plurality of convex ribs A (4) of the nut A (1) and the semicircular arc surfaces of a plurality of convex ribs B (10) of the nut B (6) are extruded to generate elastic compression, when the semicircular arc surfaces of a plurality of convex ribs A (4) of the nut A (1) downwards cross the semicircular arc surfaces of a plurality of convex ribs B (10) corresponding to the nut B (6), the semicircular arc surfaces of 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) generate elastic recovery, at the moment, the lower ends of a plurality of convex ribs B (10) of the nut B (6) press the upper ends of a plurality of convex ribs A (4) of the nut A (1), the lower end of the nut A (1) pushes against a workpiece (12), the nut B (6) is completely wrapped in the extrusion part (3) of the nut A (1), the nut A (1) and the nut B (6) are interlocked, meanwhile, the inclination of the inner side surface of the extrusion part (3) of the nut A (1) is larger than that of the outer side of the screw body B (7) of the nut B (6), the extrusion part (3) of the nut A (1) extrudes a plurality of arc sections (13) of the nut B (6), the internal threads B (8) 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 wrapped, so that the friction force between the internal threads B (8) of the plurality of the arc sections (13) and the external threads of the bolt (11) is greatly increased, the purpose of preventing looseness is achieved; under the action of vibration load, a fixed workpiece (12) firstly loosens the nut A (1), the plurality of convex ribs B (10) of the nut B (6) constrain the plurality of convex ribs A (4) of the nut A (1) to prevent the nut A (1) from loosening, the nut A (1) which is not loosened tightly hoops the nut B (6) to ensure that the nut B (6) is not loosened, and the purpose of loosening prevention is realized through interaction and mutual restriction; if need loosen locknut, only need reverse rotation nut A (1), the semicircle face of many fin A (4) of nut A (1) and the semicircle face of many fin B (10) of nut B (6) extrude earlier and take place elastic compression, after the semicircle face of many fin A (4) of nut A (1) upwards surpassed the semicircle face of corresponding many fin B (10) of nut B (6), the semicircle face of many fin A (4) of nut A (1) and the semicircle face of many fin B (10) of nut B (6) takes place elastic recovery again, continue reverse rotation nut A (1) again, nut A (1) and nut B (6) loosen, then twist out nut A (1) and nut B (6) and recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237658.3A CN110873113B (en) | 2019-12-06 | 2019-12-06 | Interlocking reusable locknut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237658.3A CN110873113B (en) | 2019-12-06 | 2019-12-06 | Interlocking reusable locknut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110873113A CN110873113A (en) | 2020-03-10 |
| CN110873113B true CN110873113B (en) | 2021-03-16 |
Family
ID=69717576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911237658.3A Active CN110873113B (en) | 2019-12-06 | 2019-12-06 | Interlocking reusable locknut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110873113B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2856552Y (en) * | 2005-12-31 | 2007-01-10 | 上海庞越铁路车辆配件制造有限公司 | Anti-loosen stop nut |
| TWI555919B (en) * | 2011-01-28 | 2016-11-01 | Nejilaw Inc | Nut structure |
| JP6901260B2 (en) * | 2016-12-24 | 2021-07-14 | 守弘 和田 | Loosening prevention nut |
| CN207814188U (en) * | 2018-01-23 | 2018-09-04 | 瑞安市朝阳标准件有限公司 | New anti-loose device |
| CN110259804B (en) * | 2019-07-13 | 2020-03-31 | 叶春林 | Nut without loosening |
-
2019
- 2019-12-06 CN CN201911237658.3A patent/CN110873113B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110873113A (en) | 2020-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3030997A (en) | Plastic locking nut with sealing flange | |
| KR20040016369A (en) | Locking fastener | |
| JP2011017352A (en) | Locking nut | |
| AU2017200367A1 (en) | Hammerless solution | |
| CN210686621U (en) | Outer hoop concentric pressure-equalizing type locknut | |
| CN110848232B (en) | Tight-clamping interlocking locknut | |
| CN110873114B (en) | Sliding buckle type locknut | |
| CN110873113B (en) | Interlocking reusable locknut | |
| CN104819197A (en) | Loosening prevention nut connecting structure | |
| JP6096420B2 (en) | Lock nut | |
| CN108730313B (en) | Interlocking locknut | |
| CN108757700A (en) | Deformation type anti-loosen screw nut component | |
| CN109707721A (en) | A kind of dedicated firm hexagonal locknut of engineering machinery | |
| CN110848233A (en) | Staggered thread type locknut | |
| KR101468157B1 (en) | Loose prevention type bolt-nut assembly | |
| KR20100122548A (en) | Locking nut assembly | |
| CN105387056A (en) | Device for preventing nut looseness | |
| CN211599247U (en) | Flat washer | |
| CN209083782U (en) | A kind of stop nut with double locking mechanism | |
| CN214424879U (en) | Locknut assembly | |
| JP3190770U (en) | Structure of locking washer | |
| CN105587737A (en) | Mechanical part connector capable of not relying on elastic gasket | |
| CN209818496U (en) | Anti-loosening and clamping combined nut | |
| CN109538609A (en) | A kind of anti-return nut, floor clip and Dogbolt | |
| CN108425934B (en) | Interlocking anti-loose bolt and nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210818 Address after: 710089 workshop 1, No. 33, hanghang 1st Road, hanghang base, Yanliang District, Xi'an City, Shaanxi Province Patentee after: XI'AN ZHITONG AVIATION TECHNOLOGY 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. |