CN105179431A - Riveting self-locking nut assembly and application method thereof - Google Patents
Riveting self-locking nut assembly and application method thereof Download PDFInfo
- Publication number
- CN105179431A CN105179431A CN201510653430.8A CN201510653430A CN105179431A CN 105179431 A CN105179431 A CN 105179431A CN 201510653430 A CN201510653430 A CN 201510653430A CN 105179431 A CN105179431 A CN 105179431A
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- riveting
- nut
- riveting dress
- locking ring
- locking
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Abstract
A locking pin assembly comprises a locking ring and a riveting nut. The locking ring is arranged in the riveting nut. The locking pin assembly is another important member in the field of self-locking connecting nut connecting assemblies. Due to the technical scheme, integrated design of integrating self lubricating, sealing and locking is adopted. The locking pin assembly is reliable in performance, simple in structure, low in cost and convenient to use and maintain.
Description
Technical field
The present invention relates to riveting dress self-locking nut assembly, be specially adapted to the riveting dress self-locking nut assembly needing to seal, have the connection of self-locking anti-drop unit.
Background technique
At present in high-tech area Course Exercise in Machinery Elements Design, integrate multifunctionality, volume is little, high-end fastener technology requirement that reliability is high is high, complex structure, technology difficulty are large, expensive.Good seal performance No leakage phenomenon after fluent phenomenon, assembling when often requiring to require assembling in using in Modern mechanical design, the link of the locking torque of needs can be provided.Reach above-mentioned requirements conventional design to need to adopt complicated mechanical structure.Or adopt expensive new material to be equipped with the higher lubriation material of cost to be coated in collective and to achieve the above object.The invention provides a kind of a kind of riveting dress self-locking nut assembly that can solve an above-mentioned difficult problem.Structure is simple, lubricity good, locking property is reliable, good airproof performance, with low cost, good manufacturability.Prospect is splendid has promotional value.
Summary of the invention
The object of the invention is to overcome in prior art not enough, thus provide a kind of there is good self-lubricating function, wear-resisting property, good seal performance, self-locking property are reliable.Rely on the fluent phenomenon of the lubricating by oneself of material own, assembling rear good seal performance No leakage phenomenon when requiring that the good bolts and nuts of lubricity coordinate in assembly process, the locking torque of needs can be provided.The twisting moment needed for installation is enough resisted without the antitorque moment ftractureed, self-locking moment meets design requirement, riveting provides after filling after requirement closing in.Be specially adapted to the riveting dress self-locking nut assembly needing to seal, have the connection of self-locking anti-drop unit.
A kind of spring bolt assembly, comprises locking ring, rivet coating nut; Locking ring is provided with in described rivet coating nut.
Described spring bolt assembly, described locking ring is by supporting pin junction surface locking ring end face I, and locking ring external cylindrical surface, locking ring end face II and locking ring inner cylindrical surface are formed.
Described spring bolt assembly, described rivet coating nut, comprises the nut conical surface, little inclined-plane, internal thread, riveting dress inner cylindrical surface, riveting dress end face, riveting dress inner plane, riveting dress end chamfer, riveting dress external tooth cylinder, riveting dress supporting surface, excessively circular arc, locking ring supporting surface, internal thread chamfering, inner cylindrical surface, nut end face, hex surface; Described riveting dress end face is vertical with riveting dress external tooth cylinder to be arranged, and its angle is riveting dress end chamfer; Riveting dress inner cylindrical surface is provided with inside described riveting dress external tooth cylinder; In described riveting dress end face, side is provided with riveting dress inner plane; Described riveting dress external tooth cylinder fills with riveting that supporting surface is vertical to be arranged, and riveting fills that supporting surface is vertical with hex surface to be arranged, and is provided with internal thread inside hex surface; At right angles, its right angle inwardly forms excessive circular arc for described hex surface and the nut conical surface; In little inclined-plane between hex surface and excessive circular arc; Be provided with inner cylindrical surface inside the nut conical surface, inner cylindrical surface and locking ring supporting surface are vertical setting; Internal thread chamfering is provided with between described internal thread and locking ring supporting surface; It is nut end face outside inner cylindrical surface.
A kind of riveting dress self-locking nut assembly using method, first riveting dress external tooth cylinder riveting being filled self-locking nut adopts in the hole of interference fit press-in riveting dress plate, magnitude of interference is greater than 0.05mm, again connecting bolt is threaded through the internal thread filling self-locking nut after connecting plate with riveting, the head hex surface turning connecting bolt with hexagon wrench reaches required pretightening force, and so far installation process completes.
The beneficial effect of employing technique scheme is:
The present invention is the another important member in self-locking attaching nut connection part field.The present invention, owing to taking above technological scheme, collects selflubricating, sealing, locking integrated design.Reliable performance, structure are simple, with low cost, and working service is convenient.
Accompanying drawing explanation
Fig. 1 is riveting of the present invention dress self-locking nut modular construction schematic diagram.
Fig. 2 is Fig. 1 left view.
In figure: 1-locking ring, 2-rivet coating nut.
Fig. 3 is locking ring structural representation in Fig. 1.
Fig. 4 is Fig. 3 left view.
In figure: 18-locking ring end face I, 19-locking ring external cylindrical surface, 20-locking ring end face II, 21-locking ring inner cylindrical surface.
Fig. 5 is rivet coating nut structural representation in Fig. 1.
Fig. 6 is Fig. 5 right elevation.
In figure: the 3-nut conical surface, the little inclined-plane of 4-, 5-internal thread, 6-riveting dress inner cylindrical surface, 7-riveting dress end face, 8-riveting dress inner plane, 9-riveting dress end chamfer, 10-riveting dress external tooth cylinder, 11-riveting dress supporting surface, the excessive circular arc of 12-, 13-locking ring supporting surface, 14-internal thread chamfering, 15-inner cylindrical surface, 16-nut end face, 17-hex surface.
Fig. 7 is application example figure of the present invention.
In figure: 22-bolt, 23-connecting plate, 24-riveting dress plate, 25-riveting dress self-locking nut.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
A kind of spring bolt assembly, comprises locking ring 1, rivet coating nut 2; Locking ring 1 is provided with in described rivet coating nut 2.
Described locking ring 1 is by supporting pin junction surface locking ring end face I 18, and locking ring external cylindrical surface 19, locking ring end face II 20 and locking ring inner cylindrical surface 21 are formed.Material selec-tion has that lubrication, wear-resisting property are good, the teflon of good seal performance.In assembly process, play self-lubricating function, while providing self-locking moment by externally threaded extrusion-deformation, reach sealing effect, collection selflubricating, sealing, locking integrated design.This is one of key of the present invention.
Described rivet coating nut 2, comprises the nut conical surface 3, little inclined-plane 4, internal thread 5, riveting dress inner cylindrical surface 6, riveting dress end face 7, riveting dress inner plane 8, riveting dress end chamfer 9, riveting dress external tooth cylinder 10, riveting dress supporting surface 11, excessively circular arc 12, locking ring supporting surface 13, internal thread chamfering 14, inner cylindrical surface 15, nut end face 16, hex surface 17; Described riveting dress end face 7 is vertical with riveting dress external tooth cylinder 10 to be arranged, and its angle is riveting dress end chamfer 9; Riveting dress inner cylindrical surface 6 is provided with inside described riveting dress external tooth cylinder 10; In described riveting dress end face 7, side is provided with riveting dress inner plane 8; Described riveting dress external tooth cylinder 10 fills with riveting that supporting surface 11 is vertical to be arranged, and riveting fills that supporting surface 11 is vertical with hex surface 17 to be arranged, and is provided with internal thread 5 inside hex surface 17; At right angles, its right angle inwardly forms excessive circular arc 12 for described hex surface 17 and the nut conical surface 3; In little inclined-plane 4 between hex surface 17 and excessive circular arc 12; Be provided with inner cylindrical surface 15 inside the nut conical surface 3, inner cylindrical surface 15 and locking ring supporting surface 13 are vertical setting; Internal thread chamfering 14 is provided with between described internal thread 5 and locking ring supporting surface 13; It is nut end face 16 outside inner cylindrical surface 15.
The nut conical surface 3 conical surface design wall thickness gradually changes not easy to crack when closing up, and is convenient to shaping.After riveting dress external tooth cylinder 10 adopts the design of sawtooth external cylindrical surface to ensure riveted joint assembling, join strength is reliable, provides enough antitorque moments.High riveting dress intensity and the design of high antitorque moment.This is key two of the present invention
Rivet coating nut 2, closing in mode adopts flange to close up, and reaches locking, sealing purpose, ensure that screw thread is indeformable and make screw-thread fit novel closing in mode smoothly by the distortion of flange extruding locking ring 1.This is key three of the present invention.
A kind of riveting dress self-locking nut assembly using method, first the riveting dress external tooth cylinder 10 riveting being filled self-locking nut 25 adopts interference fit to be pressed in the hole of riveting dress plate 24, magnitude of interference is greater than 0.05mm, again connecting bolt 22 is threaded through the internal thread filling self-locking nut 25 after connecting plate 23 with riveting, the head hex surface turning connecting bolt 22 with hexagon wrench reaches required pretightening force, and so far installation process completes.Good seal performance No leakage phenomenon after fluent phenomenon during assembling, assembling, the locking torque of needs can be provided.This is key four of the present invention.
Claims (6)
1. a spring bolt assembly, is characterized in that: comprise locking ring (1), rivet coating nut (2); Locking ring (1) is provided with in described rivet coating nut (2).
2. spring bolt assembly according to claim 1, is characterized in that: described locking ring (1) is by supporting pin junction surface locking ring end face I (18), and locking ring external cylindrical surface (19), locking ring end face II (2) 0 and locking ring inner cylindrical surface (21) are formed.
3. spring bolt assembly according to claim 1, it is characterized in that: described rivet coating nut (2), comprise the nut conical surface (3), little inclined-plane (4), internal thread (5), riveting dress inner cylindrical surface (6), riveting dress end face (7), riveting dress inner plane (8), riveting dress end chamfer (9), riveting dress external tooth cylinder (10), riveting dress supporting surface (11), excessively circular arc (12), locking ring supporting surface (13), internal thread chamfering (14), inner cylindrical surface (15), nut end face (16), hex surface (17); Described riveting dress end face (7) is vertical with riveting dress external tooth cylinder (10) to be arranged, and its angle is riveting dress end chamfer (9); Described riveting dress external tooth cylinder (10) inner side is provided with riveting dress inner cylindrical surface (6); Described riveting dress end face (7) interior side is provided with riveting dress inner plane (8); Described riveting dress external tooth cylinder (10) fill with riveting that supporting surface (11) is vertical to be arranged, and riveting fills that supporting surface (11) is vertical with hex surface (17) to be arranged, and is provided with internal thread (5) inside hex surface (17); At right angles, its right angle inwardly forms excessive circular arc (12) for described hex surface (17) and the nut conical surface (3); In little inclined-plane (4) between hex surface (17) and excessive circular arc (12); The nut conical surface (3) inner side is provided with inner cylindrical surface (15), and inner cylindrical surface (15) and locking ring supporting surface (13) are vertical setting; Internal thread chamfering (14) is provided with between described internal thread (5) and locking ring supporting surface (13); Inner cylindrical surface (15) outside is nut end face (16).
4. spring bolt assembly according to claim 3, is characterized in that: the described nut conical surface (3) conical surface is that wall thickness gradually changes closing in.
5. spring bolt assembly according to claim 3, is characterized in that: the closing in mode of described rivet coating nut 2 adopts flange to close up.
6. a riveting dress self-locking nut assembly using method, it is characterized in that: riveting dress external tooth cylinder (10) first riveting being filled self-locking nut (25) adopts in the hole of interference fit press-in riveting dress plate (24), magnitude of interference is greater than 0.05mm, again connecting bolt (22) fills self-locking nut (25) afterwards through connecting plate (23) internal thread with riveting is threaded, the head hex surface turning connecting bolt (22) with hexagon wrench reaches required pretightening force, and so far installation process completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653430.8A CN105179431A (en) | 2015-10-12 | 2015-10-12 | Riveting self-locking nut assembly and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653430.8A CN105179431A (en) | 2015-10-12 | 2015-10-12 | Riveting self-locking nut assembly and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105179431A true CN105179431A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510653430.8A Pending CN105179431A (en) | 2015-10-12 | 2015-10-12 | Riveting self-locking nut assembly and application method thereof |
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| Country | Link |
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| CN (1) | CN105179431A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035755A (en) * | 2017-05-17 | 2017-08-11 | 贵州航天精工制造有限公司 | Light-duty self-locking nut of a kind of anti-cold welding of self-lubricating and production and preparation method thereof |
| CN110541880A (en) * | 2019-09-11 | 2019-12-06 | 上海纳特汽车标准件有限公司 | Rivet turning nut and combination of rivet turning nut and plate |
| CN112303094A (en) * | 2020-11-20 | 2021-02-02 | 河南航天精工制造有限公司 | Non-metal insert slotted nut |
| CN112576593A (en) * | 2020-12-16 | 2021-03-30 | 河南航天精工制造有限公司 | Nut body size calculation method of non-metal insert self-locking nut |
Citations (7)
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|---|---|---|---|---|
| RU2011043C1 (en) * | 1991-07-08 | 1994-04-15 | Акционерное общество "Нормаль" | Self-locking anchor nut |
| JPH10141349A (en) * | 1996-11-14 | 1998-05-26 | Haadorotsuku Kogyo Kk | Locking nut and manufacture thereof |
| CN102174941A (en) * | 2011-03-24 | 2011-09-07 | 贵州航天精工制造有限公司 | Connection method and structure of steel plate riveting nylon self-locking nut |
| CN202132359U (en) * | 2011-07-12 | 2012-02-01 | 贵州航天精工制造有限公司 | Self-locking nut assembly part with washer |
| CN202140405U (en) * | 2011-07-05 | 2012-02-08 | 邵阳维克液压股份有限公司 | Nut on CY plunger pump |
| CN203384187U (en) * | 2013-01-08 | 2014-01-08 | 南京圣明机电科技有限公司 | Anti-loosening fastening nut |
| CN104963927A (en) * | 2015-06-05 | 2015-10-07 | 贵州航天精工制造有限公司 | Flanging and riveting self-locking nut and machining method thereof |
-
2015
- 2015-10-12 CN CN201510653430.8A patent/CN105179431A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2011043C1 (en) * | 1991-07-08 | 1994-04-15 | Акционерное общество "Нормаль" | Self-locking anchor nut |
| JPH10141349A (en) * | 1996-11-14 | 1998-05-26 | Haadorotsuku Kogyo Kk | Locking nut and manufacture thereof |
| CN102174941A (en) * | 2011-03-24 | 2011-09-07 | 贵州航天精工制造有限公司 | Connection method and structure of steel plate riveting nylon self-locking nut |
| CN202140405U (en) * | 2011-07-05 | 2012-02-08 | 邵阳维克液压股份有限公司 | Nut on CY plunger pump |
| CN202132359U (en) * | 2011-07-12 | 2012-02-01 | 贵州航天精工制造有限公司 | Self-locking nut assembly part with washer |
| CN203384187U (en) * | 2013-01-08 | 2014-01-08 | 南京圣明机电科技有限公司 | Anti-loosening fastening nut |
| CN104963927A (en) * | 2015-06-05 | 2015-10-07 | 贵州航天精工制造有限公司 | Flanging and riveting self-locking nut and machining method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035755A (en) * | 2017-05-17 | 2017-08-11 | 贵州航天精工制造有限公司 | Light-duty self-locking nut of a kind of anti-cold welding of self-lubricating and production and preparation method thereof |
| CN110541880A (en) * | 2019-09-11 | 2019-12-06 | 上海纳特汽车标准件有限公司 | Rivet turning nut and combination of rivet turning nut and plate |
| CN112303094A (en) * | 2020-11-20 | 2021-02-02 | 河南航天精工制造有限公司 | Non-metal insert slotted nut |
| CN112303094B (en) * | 2020-11-20 | 2021-12-14 | 河南航天精工制造有限公司 | Non-metal insert slotted nut |
| CN112576593A (en) * | 2020-12-16 | 2021-03-30 | 河南航天精工制造有限公司 | Nut body size calculation method of non-metal insert self-locking nut |
| CN112576593B (en) * | 2020-12-16 | 2022-05-03 | 河南航天精工制造有限公司 | Nut body size calculation method of non-metal insert self-locking nut |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |