CN102777462B - Security type self-plugging rivet - Google Patents
Security type self-plugging rivet Download PDFInfo
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- CN102777462B CN102777462B CN201210291381.4A CN201210291381A CN102777462B CN 102777462 B CN102777462 B CN 102777462B CN 201210291381 A CN201210291381 A CN 201210291381A CN 102777462 B CN102777462 B CN 102777462B
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- rivet
- lock sleeve
- endoporus
- ailhead
- blind rivet
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Abstract
The invention relates to a security type self-plugging rivet, and particularly relates to a shockproof, waterproof and locking type self-plugging rivet in an electric device industry, belonging to the technical field of a fastening piece. The security type self-plugging rivet comprises a locking sleeve; a through locking sleeve inner hole is axially arranged on a locking sleeve; the locking sleeve is tightly sleeved on a rivet core in a rivet body inner hole through the locking sleeve inner hole; a rivet head is arranged at one end of the rivet core; the lower end of the rivet head is connected at the lower part of the rivet core; and a locking groove is arranged on the connection position of the rivet head and the lower part of the rivet core. The security type self-plugging rivet provided by the invention has a simple, compact and reasonable structure, and is used for fastening and sealing in a riveted manner; the resistance of the rivet to transverse vibration is improved; and structural pieces with large and non-overlapped drill holes can be normally riveted.
Description
Technical field
The present invention relates to a kind of safety type self-plugging rivet, specifically a kind of shockproof, waterproof, Anti-loose self-plugging rivet that can be used in electrical apparatus industry, belongs to technical field of fastening.
Background technique
Self-plugging rivet is the rivet that a kind of blind riveting is used, and special tool---hand riveter (manual, electronic, pneumatic) is riveted in palpus use.When riveted joint, the blind rivet of self-plugging rivet is pulled by special riveting gun, and rivet body is expanded, and plays riveted joint effect.This class rivet is specially adapted to the riveted joint occasion of inconvenience employing conventional rivets (must rivet from two sides), therefore on the products such as the building of being widely used in, automobile, boats and ships, aircraft, machine, electrical equipment, IT, furniture.Wherein most widely used with mushroom head break mandrel blind rivets, countersunk head self-plugging rivet is applicable to performance needs level and smooth riveted joint occasion, and Closed End Blind Rivet is applicable to require with high load and the riveted joint occasion with certain sealability.
Domestic electrical apparatus industry, IT industry development are rapid, and user requires more and more higher to the Quality Safety of electrical equipment, computer, therefore proposed requirements at the higher level for the riveted joint field of the IT such as electrical equipment, computer industry.Rivet in the market cannot meet required powerful with lasting of electrical apparatus industry, IT industry and be connected load.
At present, the Closed End Blind Rivet using in electrical apparatus industry, IT industry field, the ailhead after riveted joint in blind rivet is retained in rivet nut, and ailhead can move freely in rivet nut, sounds.Drum type self-plugging rivet has certain space in the riveted joint endoporus after riveted joint, has impact for electric conductivity, easily produces short circuit phenomenon.
Developing a kind of rivet that can better meet electrical apparatus industry, IT industry requirement is the direction that people make great efforts.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thereby a kind of safety type self-plugging rivet is provided, it is locking, waterproof, anti-seismic performance are strong, is applicable to electrical apparatus industry, the riveted joint of IT industry, applied widely, connects safe and reliable.
According to technological scheme provided by the invention, safety type self-plugging rivet comprises rivet nut and blind rivet, rivet nut one end is provided with rivet nut endoporus vertically, in rivet nut endoporus, connect blind rivet, it is characterized in that: also comprise lock sleeve, lock sleeve is axially arranged with the lock sleeve endoporus of perforation, and lock sleeve is tightly placed in the blind rivet in rivet nut endoporus by lock sleeve endoporus.Described blind rivet one end is ailhead, and ailhead lower end connects blind rivet bottom, and ailhead and joint, blind rivet bottom are provided with locking slot.
Because the diameter of ailhead is greater than the diameter of lock sleeve endoporus, be less than the diameter of rivet nut endoporus, in the process of riveting gun blind rivet core, the power on ailhead can direct effect to lock sleeve; In the time that lock sleeve is subject to active force, because of gapless between lock sleeve endoporus and blind rivet, lock sleeve can only have outside expansion again; Under the effect of this expansive force, rivet nut also outwards expands, and it is filled in the riveted joint endoporus of riveted joint object full, has increased and has connect true face, has improved electric conductivity; After the riveted joint endoporus of riveted joint object fills up, blind rivet still moves downward, and lock sleeve can only move to locking slot, and it is stuck in locking slot.
Described ailhead is between rivet nut and lock sleeve.The diameter of described ailhead is greater than the diameter of lock sleeve endoporus, is less than the diameter of rivet nut endoporus.Described ailhead is circular.Described ailhead and joint, blind rivet bottom are provided with breaking groove.
Compared with the prior art the present invention has the following advantages: the present invention is simple, compact and reasonable for structure; Rivet fastening, sealing; Improve the resistivity of rivet to transverse vibration; Improve the resistivity of rivet to transverse vibration; , boring bigger than normal to the holing structural member such as do not overlap all can normally be riveted.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is rivet nut structural representation.
Fig. 3 is locking sleeve structure schematic diagram.
Fig. 4 is blind rivet structural representation.
Fig. 5 is that the present invention uses phase diagram.
Description of reference numerals: 1-rivet nut, 2-rivet nut endoporus, 3-lock sleeve, 4-lock sleeve endoporus, 5-blind rivet, 6-ailhead, 7-locking slot, 8-breaking groove, 9-blind rivet bottom, 10-riveting edge.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Fig. 1 ~ 4, the present invention mainly comprises rivet nut 1, lock sleeve 3 and blind rivet 5, and rivet nut 1 one end is provided with rivet nut endoporus 2 vertically, connects blind rivet 5 in rivet nut endoporus 2.Described lock sleeve 3 is axially arranged with the lock sleeve endoporus 4 of perforation, and lock sleeve 3 is tightly placed in the blind rivet 5 in rivet nut endoporus 2 by lock sleeve endoporus 4.
Described blind rivet 5 one end are circular ailhead 6, and ailhead 6 lower ends connect blind rivet bottom 9.Described ailhead 6 and 9 joints, blind rivet bottom are provided with locking slot 7 and breaking groove 8.Described ailhead 6 is between rivet nut 1 and lock sleeve 3, and the diameter of ailhead 6 is greater than the diameter of lock sleeve endoporus 4, is less than the diameter of rivet nut endoporus 2.
As shown in Figure 5, in use, rivet nut 1 is put into the riveted joint endoporus of two objects to be riveted, by punch press, rivet nut 1 opening is pressed into riveting that diameter is greater than rivet nut along 11, blind rivet bottom 9 is outside exposed.Then the active force that pulls blind rivet bottom 9 that the blind rivet 5 in rivet nut 1 is riveted with common riveting gun, ailhead 6 orders about lower compression lock sleeve 3 this active force.Lock sleeve 3 outwards expands rivet nut 1, the whole turgor voidlessnesss of riveted joint endoporus of riveted joint object.Now ailhead 6 continues to make lock sleeve 3 enter into locking slot 7 to lower compression under the active force of riveted joint, and 1 of rivet nut outside riveted joint object riveted joint endoporus outwards expand into drum type, is close to riveted joint object; In this process, rupture in breaking groove 8 places of blind rivet 5.
Because the diameter of ailhead 6 is greater than the diameter of lock sleeve endoporus 4, be less than the diameter of rivet nut endoporus 2, in the process of riveting gun blind rivet core 5, the power on ailhead 6 can direct effect to lock sleeve 3.In the time that lock sleeve 3 is subject to active force, because of gapless between lock sleeve endoporus 4 and blind rivet 5, lock sleeve 3 can only have outside expansion again.Under the effect of this expansive force, rivet nut 1 also outwards expands, and it is filled in the riveted joint endoporus of riveted joint object full, has increased and has connect true face, has improved electric conductivity.After the riveted joint endoporus of riveted joint object fills up, blind rivet 5 still moves downward, and lock sleeve 3 can only move to locking slot 7, and it is stuck in locking slot 7.
Lock sleeve 3 of the present invention is provided with lock sleeve endoporus 4, and blind rivet 5 is provided with locking slot 7.In the time pulling blind rivet 5 in the interior motion of rivet nut 1, described lock sleeve 3 is embedded in locking slot 7, rivet nut 1 and blind rivet 5 is locked mutually, and rivet nut 1 is pressed into cydariform, makes to rivet fastening, sealing, has improved the resistivity of rivet to transverse vibration.After 1 one-tenth cydariform of rivet nut, rivet nut 1 and riveting, along the 10 riveted joint things that can link closely, for the one side of loosing core provides larger stress surface, have improved the resistivity of rivet to longitudinal vibrations., boring bigger than normal to the holing structural member such as do not overlap all can normally be riveted.Blind rivet 5 is provided with locking slot 7, and described locking slot 7 can be along with the motion of blind rivet 5 relative rivet nuts 1, and the formation self-locking that contacts with lock sleeve 3 can be suitable for different thickness of riveting things, is specially adapted to electrical apparatus industry, IT industry and lightweight material.Safety type electrical equipment rivet, can adopt the material manufacture of differing texture, and intensity is high, and using scope can expand to the riveted joint of any object.
Thereby the present invention can produce distortion and well two junction surfaces be combined.Rivet distortion radially also can be filled up riveted holes, prevent that gap from producing.Riveted joint is in an extrusion stretching process, a cylinder rivet is squeezed into the connection bit of two-layer plate and forms, but also be extruded according to the shape in aperture, forms the tie point that has individual very high strength.
Claims (2)
1. a safety type self-plugging rivet, comprise rivet nut (1) and blind rivet (5), rivet nut (1) one end is provided with rivet nut endoporus (2) vertically, in rivet nut endoporus (2), connect blind rivet (5), it is characterized in that: also comprise lock sleeve (3), lock sleeve (3) is axially arranged with the lock sleeve endoporus (4) of perforation, and lock sleeve (3) is tightly placed in the blind rivet (5) in rivet nut endoporus (2) by lock sleeve endoporus (4); Described blind rivet (5) one end is ailhead (6), and ailhead (6) lower end connects blind rivet bottom (9), and ailhead (6) and joint, blind rivet bottom (9) are provided with locking slot (7);
Described ailhead (6) is positioned between rivet nut (1) and lock sleeve (3);
The diameter of described ailhead (6) is greater than the diameter of lock sleeve endoporus (4), is less than the diameter of rivet nut endoporus (2);
Described ailhead (6) and joint, blind rivet bottom (9) are provided with breaking groove (8);
Because the diameter of ailhead (6) is greater than the diameter of lock sleeve endoporus (4), be less than the diameter of rivet nut endoporus (2), in the process of riveting gun blind rivet core (5), the power on ailhead (6) can direct effect to lock sleeve (3); In the time that lock sleeve (3) is subject to active force, because of gapless between lock sleeve endoporus (4) and blind rivet (5), lock sleeve (3) can only have outside expansion again; Rivet nut under the effect of this expansive force (1) also outwards expands, and it is filled in the riveted joint endoporus of riveted joint object full, has increased and has connect true face, has improved electric conductivity; After the riveted joint endoporus of riveted joint object fills up, blind rivet (5) still moves downward, and lock sleeve (3) can only, to locking slot (7) motion, be stuck in locking slot (7) it.
2. safety type self-plugging rivet as claimed in claim 1, is characterized in that: described ailhead (6) is for circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291381.4A CN102777462B (en) | 2012-08-15 | 2012-08-15 | Security type self-plugging rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210291381.4A CN102777462B (en) | 2012-08-15 | 2012-08-15 | Security type self-plugging rivet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102777462A CN102777462A (en) | 2012-11-14 |
| CN102777462B true CN102777462B (en) | 2014-07-30 |
Family
ID=47122508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210291381.4A Active CN102777462B (en) | 2012-08-15 | 2012-08-15 | Security type self-plugging rivet |
Country Status (1)
| Country | Link |
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| CN (1) | CN102777462B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630889A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | Pulling rivet with plastic cap |
| CN107630891A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | New pulling rivet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001263321A (en) * | 1999-12-07 | 2001-09-26 | Emhart Inc | Blind rivet |
| CN101294594A (en) * | 2007-04-23 | 2008-10-29 | 靖江市凯狄五金机械制造有限公司 | Production method of enclosed aluminum self-plugging rivet |
| CN201288739Y (en) * | 2008-10-14 | 2009-08-12 | 无锡安士达五金有限公司 | Jointing rivet |
| CN201991898U (en) * | 2011-01-24 | 2011-09-28 | 上海安字实业有限公司 | Closed single-drum type self-plugging rivet |
| CN202756374U (en) * | 2012-08-15 | 2013-02-27 | 无锡安欣达科技有限公司 | Safety-type self-plugging rivet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2464674C (en) * | 2008-10-20 | 2013-04-03 | Avdel Uk Ltd | Blind fastener |
-
2012
- 2012-08-15 CN CN201210291381.4A patent/CN102777462B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001263321A (en) * | 1999-12-07 | 2001-09-26 | Emhart Inc | Blind rivet |
| CN101294594A (en) * | 2007-04-23 | 2008-10-29 | 靖江市凯狄五金机械制造有限公司 | Production method of enclosed aluminum self-plugging rivet |
| CN201288739Y (en) * | 2008-10-14 | 2009-08-12 | 无锡安士达五金有限公司 | Jointing rivet |
| CN201991898U (en) * | 2011-01-24 | 2011-09-28 | 上海安字实业有限公司 | Closed single-drum type self-plugging rivet |
| CN202756374U (en) * | 2012-08-15 | 2013-02-27 | 无锡安欣达科技有限公司 | Safety-type self-plugging rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102777462A (en) | 2012-11-14 |
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