CN102767552B - Novel titanium alloy self-plugging rivet - Google Patents
Novel titanium alloy self-plugging rivet Download PDFInfo
- Publication number
- CN102767552B CN102767552B CN201210276835.0A CN201210276835A CN102767552B CN 102767552 B CN102767552 B CN 102767552B CN 201210276835 A CN201210276835 A CN 201210276835A CN 102767552 B CN102767552 B CN 102767552B
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- China
- Prior art keywords
- rivet
- ring
- lock ring
- titanium alloy
- sleeve
- 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.)
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 17
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
- F16B19/1036—Blind rivets
- F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
- F16B19/1054—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like being frangible
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a novel titanium alloy self-plugging rivet, comprising a rivet rod and a rivet sleeve sleeved on the rivet rod, wherein one end of the rivet sleeve is contacted with the end part of the rivet rod and the other end of the rivet sleeve is provided with a convex retainer ring; an inner hole in a retainer ring region is provided with a tapered degree; the other end of the rivet sleeve on the rivet rod is further sleeved with a lock ring and a movable block; the rivet rod is provided with a snapping groove and a lock ring clamping groove; and the riveted lock ring is wedged into the lock ring clamping groove. According to the novel titanium alloy self-plugging rivet, a core part selects a high-strength titanium alloy as a substrate material so that the novel titanium alloy self-plugging rivet has the characteristics of light weight and strong anti-shearing strength; the strength can bear the shearing force of more than 655 Mpa by tests and the shell adopts pure titanium so as to be good for riveting and molding. The snapping groove is arranged so that the appearance is flat after the novel titanium alloy self-plugging rivet is riveted and the shape does not need to be polished; and therefore, the machining efficiency is improved and the consistency of riveting a product can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of new titanium alloy self-plugging rivet, belong to riveting set technical field.
Background technique
When the equipment in small space region is connected, often need to consider its connection means, as adopted and be threaded at small space, just need shape, the size of consideration instrument whether can put into small space, whether can effectively be in place, whether connection part reliably waits and all needs to confirm, time-consuming, effort.
Therefore riveted joint for multiselect while connection in small space region, but in the time adopting riveted joint, to see whether the flatness of its riveting intensity, riveted joint face meets the demands.Particularly in some special industries, as at aviation field, the rivet of its use not only will meet its tensile strength, but also the riveted joint face of need is smooth, existing self-plugging rivet, because controlling fracture surface, the irregular problem of the riveted joint face of existence, needs to carry out the smooth polishing of end face to out-of-flatness riveted joint face, so not only easily abrades matrix surface and barrier coating, cause unnecessary loss, and take a lot of work, time-consuming, effort.
Summary of the invention
The technical problem to be solved in the present invention is
,provide a kind of and rivet that face is smooth, riveting intensity good, firm new titanium alloy self-plugging rivet, can overcome the deficiencies in the prior art,
Technological scheme of the present invention is, new titanium alloy self-plugging rivet, it comprises rivet bar, socket rivet sleeve thereon, one end of rivet sleeve contacts with the end of rivet bar, is provided with protruding back-up ring at the other end of rivet sleeve, endoporus in back-up ring region is provided with tapering, on rivet bar, the other end of rivet sleeve is also socketed with lock ring and moving block successively, offers and break groove and lock ring draw-in groove on rivet bar, and the lock ring after riveted joint is wedged in lock ring draw-in groove.
Moving block is made up of apical ring, end ring and lock ring snap ring, and end ring and lock ring snap ring are positioned at the two ends of apical ring, and the interior ring of lock ring snap ring matches with lock ring.
On rivet bar, be provided with anti-skidding dimpled grain.
Rivet sleeve is the rivet sleeve that yielding pure titanium is made.
Lock ring is corrosion resisting stainless steel material.
Compared with the prior art, self-plugging rivet of the present invention is made up of four parts, and it comprises: 1 rivet bar, and the main stressed part of self-plugging rivet, adopts high strength titanium alloy to make, energy bearing tension and shearing force; 2 rivet sleeves, the distortion part that self-plugging rivet is main, adopts yielding pure titanium, rises and connects pressuring action, and the leading portion generation doubling of rivet sleeve distortion after riveted joint, utilizes the boss of doubling distortion rear region and the rivet sleeve the other end can realize the riveted joint of two articles; 3 lock rings, self-plugging rivet distortion locking part, after distortion, wedgewise is connected in the lock ring draw-in groove of rivet bar, can guarantee so not slippage easily of rivet bar, can increase tension of the present invention, shear strength, adopts corrosion resisting stainless steel to make, and works the effect of being locked; Moving block, the auxiliary stressed part of self-plugging rivet, formed by apical ring, end ring and lock ring snap ring, end ring and lock ring snap ring are positioned at the two ends of apical ring, lock ring snap ring contacts with lock ring is nested, be responsible for the location of lock ring, after the power that is impacted, apical ring and lock ring snap ring rupture, lock ring is pushed lock ring draw-in groove by apical ring section, according to the shape of lock ring draw-in groove, lock ring stress deformation becomes wedge-like to be connected in lock ring draw-in groove, and it act as the locking position that lock ring is pushed to rivet bar, make lock ring distortion, thereby reach fastening effect.
Core of the present invention selects high strength titanium alloy as body material, makes it have like this features such as lightweight, shearing strength is high, and its intensity can be born shearing force more than 655Mpa after tested, and shell adopts pure titanium to be more conducive to riveted joint to be shaped.The setting of breaking groove can ensure that the present invention rivets rear flat appearance, without profile is polished, has improved work efficiency, has effectively ensured the conformity of product riveted joint.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is out of shape pre-structure schematic diagram after the present invention inserts riveted joint body;
Fig. 3 starts distressed structure schematic diagram after the present invention inserts riveted joint body;
Fig. 4 rivets the rear structural representation that is shaped after the present invention inserts riveted joint body;
Fig. 5 is the structural representation that the present invention completes riveted joint.
Embodiment
embodiment, as shown in Figure 1,rivet bar 1 is made up of high strength titanium alloy, be provided with protruding rivet head at the front end of rivet bar 1, on the back segment of rivet bar 1, be provided with anti-skidding dimpled grain 10, riveting gun clamping is convenient in the setting of anti-skidding dimpled grain 10, also offer and break groove 5 and lock ring draw-in groove 6 in the intermediate portion of rivet bar 1, break the degree of depth of groove 5 and determine according to the tensile strength of design simultaneously.On rivet bar 1, be socketed with rivet sleeve 2, rivet sleeve 2 adopts yielding pure titanium to make, one end (being right-hand member in figure) of rivet sleeve 2 contacts with the front end of rivet bar 1, and concrete is that end face contacts with protruding rivet head sidepiece, and rivet head can prevent riveting sleeve 2 slippage from it.The other end (being left side in figure) at rivet sleeve 2 is provided with protruding back-up ring 11, endoporus in back-up ring 11 regions is provided with tapering 12, as shown in Figure 1, back-up ring and riveting sleeve contact position are inclined-plane, the other end of rivet sleeve 2 on rivet bar 1 (being left side in figure) is also socketed with lock ring 3 and moving block 4 successively, and lock ring 3 is corrosion resisting stainless steel material; Moving block 4 is made up of apical ring 7, end ring 8 and lock ring snap ring 9, and end ring 8 and lock ring snap ring 9 are positioned at the two ends of apical ring 7, and the interior ring of lock ring snap ring 9 matches with lock ring 3, and the lock ring 3 after having riveted is wedged in lock ring draw-in groove 6, as shown in Figures 4 and 5.
For a better understanding of the present invention, claimant has carried out detailed figure to the riveted joint process of its titanium alloy self-plugging rivet and has described, and its change procedure as shown in Figure 2-5;
Fig. 2 is out of shape pre-structure schematic diagram after the present invention inserts riveted joint body, as can be seen from Figure 2, needs first on by riveted joint thing, to open the through hole of phase factor diameter, and at one end need to carry out reaming before riveted joint, and the back-up ring on the size of reaming and the degree of depth and riveting sleeve 2 matches; After completing above-mentioned operation, just this self-plugging rivet can be arranged on caulking gun, and be inserted in the through hole of offering, it should be noted that, in the time selecting self-plugging rivet provided by the present invention, the coupling of its length requires, insert after riveted joint thing, the length that rivet sleeve 2 stretches out the position of riveted joint thing can not be less than 1/3 of riveting sleeve length.
Fig. 3 starts distressed structure schematic diagram after the present invention inserts riveted joint body; As can be seen from Figure 3, when with caulking gun pulling rivet bar 1, because adopting yielding pure titanium, makes rivet sleeve 2, like this in the situation that being squeezed power, rivet sleeve 2 stretches out riveted joint object area and will occur bending and deformation, its deformation point in stretching out the point midway in region, for ensureing that its distortion occurs in this region, also can carry out annealing in process in this region according to mechanical characteristic simultaneously.
Fig. 4 rivets the rear structural representation that is shaped after the present invention inserts riveted joint body; As can be seen from Figure 4, now riveting sleeve 2 stretches out doubling of region and fits together, and completes largest deformation amount, and projection and back-up ring that its laminating forms lay respectively at by the both sides of riveted joint thing, can realize riveted joint fixing.Other is changed to, moving block 4 apical ring 7 after power that is impacted ruptures with the surface of contact of lock ring snap ring 9, apical ring 7 sections travel forward, lock ring 3 is pushed in lock ring draw-in groove 6, according to the shape of lock ring draw-in groove 6, extrusion-deformation becomes wedge-like to be connected in lock ring draw-in groove 6, can realize like this location of rivet bar 1 simultaneously, because rivet bar 1 is positioned at riveting sleeve 2, can improve like this intensity of this self-plugging rivet.
Fig. 5 is the structural representation that the present invention completes riveted joint, and as can be seen from Figure 5, now the afterbody of rivet bar 1 is to rupture in breaking groove 5 places, and the end face of rivet bar 1 and quilt are riveted the end face of thing.
Claims (3)
1. a new titanium alloy self-plugging rivet, it comprises rivet bar (1), socket rivet sleeve (2) thereon, one end of rivet sleeve (2) contacts with the end of rivet bar (1), it is characterized in that: the other end at rivet sleeve (2) is provided with protruding back-up ring, endoporus in back-up ring region is provided with tapering, the other end at the upper rivet sleeve (2) of rivet bar (1) is also socketed with lock ring (3) and moving block (4) successively, on rivet bar (1), offer and break groove (5) and lock ring draw-in groove (6), the lock ring (3) after riveted joint is wedged in lock ring draw-in groove (6); Moving block (4) is made up of apical ring (7), end ring (8) and lock ring snap ring (9), and end ring (8) and lock ring snap ring (9) are positioned at the two ends of apical ring (7), and the interior ring of lock ring snap ring (9) matches with lock ring (3); Lock ring (3) is corrosion resisting stainless steel material.
2. new titanium alloy self-plugging rivet according to claim 1, is characterized in that: on rivet bar (1), be provided with anti-skidding dimpled grain (10).
3. new titanium alloy self-plugging rivet according to claim 1, is characterized in that: the rivet sleeve that rivet sleeve (2) is made for yielding pure titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276835.0A CN102767552B (en) | 2012-08-06 | 2012-08-06 | Novel titanium alloy self-plugging rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276835.0A CN102767552B (en) | 2012-08-06 | 2012-08-06 | Novel titanium alloy self-plugging rivet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767552A CN102767552A (en) | 2012-11-07 |
| CN102767552B true CN102767552B (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210276835.0A Active CN102767552B (en) | 2012-08-06 | 2012-08-06 | Novel titanium alloy self-plugging rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102767552B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074852B (en) * | 2014-06-27 | 2016-10-26 | 哈尔滨工业大学 | A kind of titanium self-plugging rivet rivet sleeve and preparation method thereof |
| CN105317802B (en) * | 2015-12-04 | 2017-10-13 | 航天精工股份有限公司 | A kind of composite connection self-plugging rivet of adjustable thickness of interlayer scope |
| CN105508388B (en) * | 2016-01-21 | 2017-12-26 | 宾科精密部件(中国)有限公司 | Sleeve nut, fastener and its installation method |
| CN106246679B (en) * | 2016-09-14 | 2018-05-11 | 航天精工股份有限公司 | The manufacture method of high shearing resistance tension self-plugging rivet and its nail set |
| CN107013545B (en) * | 2017-06-16 | 2021-03-09 | 航天精工股份有限公司 | Self-plugging rivet |
| CN107061459A (en) * | 2017-06-16 | 2017-08-18 | 航天精工股份有限公司 | A kind of lock ring internally-arranged type self-plugging rivet |
| CN107061456A (en) * | 2017-06-16 | 2017-08-18 | 航天精工股份有限公司 | A kind of high-clamping force Self-locking blind rivet |
| CN108799293A (en) * | 2018-07-13 | 2018-11-13 | 航天精工股份有限公司 | A kind of self-plugging rivet with shearing ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4826372A (en) * | 1986-08-06 | 1989-05-02 | Victor Pastushin | Pre-locked pull-type blind fastener |
| US6537005B1 (en) * | 1998-12-17 | 2003-03-25 | Textron Fastening Systems Limited | Blind fastener |
| CN201475112U (en) * | 2009-08-17 | 2010-05-19 | 贵州航天精工制造有限公司 | Large-bottom threaded self-plugging rivet |
| CN201502599U (en) * | 2009-07-14 | 2010-06-09 | 贵州航天精工制造有限公司 | Mechanical self-locking self-plugging rivet |
| CN202690645U (en) * | 2012-08-06 | 2013-01-23 | 贵州航瑞科技有限公司 | Novel titanium-alloy core-pulling rivet |
-
2012
- 2012-08-06 CN CN201210276835.0A patent/CN102767552B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4826372A (en) * | 1986-08-06 | 1989-05-02 | Victor Pastushin | Pre-locked pull-type blind fastener |
| US6537005B1 (en) * | 1998-12-17 | 2003-03-25 | Textron Fastening Systems Limited | Blind fastener |
| CN201502599U (en) * | 2009-07-14 | 2010-06-09 | 贵州航天精工制造有限公司 | Mechanical self-locking self-plugging rivet |
| CN201475112U (en) * | 2009-08-17 | 2010-05-19 | 贵州航天精工制造有限公司 | Large-bottom threaded self-plugging rivet |
| CN202690645U (en) * | 2012-08-06 | 2013-01-23 | 贵州航瑞科技有限公司 | Novel titanium-alloy core-pulling rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102767552A (en) | 2012-11-07 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Novel titanium alloy self-plugging rivet Effective date of registration: 20181115 Granted publication date: 20141210 Pledgee: Guiyang industrial investment Company limited by guarantee Pledgor: Guizhou Hangrui Science & Technology Co., Ltd. Registration number: 2018520000023 |
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Date of cancellation: 20191209 Granted publication date: 20141210 Pledgee: Guiyang industrial investment Company limited by guarantee Pledgor: Guizhou Hangrui Science & Technology Co., Ltd. Registration number: 2018520000023 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Novel titanium alloy self-plugging rivet Effective date of registration: 20200116 Granted publication date: 20141210 Pledgee: Guiyang industrial investment Company limited by guarantee Pledgor: Guizhou Hangrui Science & Technology Co., Ltd. Registration number: Y2020520000005 |
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Date of cancellation: 20210617 Granted publication date: 20141210 Pledgee: Guiyang industrial investment Company limited by guarantee Pledgor: GUIZHOU HANGRUI SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2020520000005 |
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