CN107842545A - A kind of blind riveting bolt and its clinching method - Google Patents
A kind of blind riveting bolt and its clinching method Download PDFInfo
- Publication number
- CN107842545A CN107842545A CN201710994698.7A CN201710994698A CN107842545A CN 107842545 A CN107842545 A CN 107842545A CN 201710994698 A CN201710994698 A CN 201710994698A CN 107842545 A CN107842545 A CN 107842545A
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- Prior art keywords
- riveting
- sleeve pipe
- rivet body
- core bar
- deformation
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000011157 advanced composite material Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- 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
Abstract
The invention discloses a kind of blind riveting bolt and its clinching method, wherein, blind riveting bolt, including the core bar with limited cap, the sleeve pipe that is threadably mounted on core bar and it is set in rivet body on core bar and between limited cap and sleeve pipe;Described rivet body one end is provided with the stop head for the cooperation that offseted with limited cap, the other end and sleeve circumferential location fit;During riveting, core bar rotates relative to rivet body, and sleeve pipe is hampered by riveting part and deformation, and deformation position and the stop head are against the both sides of riveting part.Blind riveting bolt provided by the invention, simple for structure, assembling is simple, on the premise of every mechanical performance index is ensured, greatly reduces difficulty of processing and manufacturing cost.
Description
Technical field
The present invention relates to technical field of fastening, and in particular to a kind of blind riveting bolt and its clinching method.
Background technology
At present, aircraft manufacturing in the world largely uses advanced composite material (ACM), but because composite can be with aluminium and steel
Etc. fastener the being in contact property electrochemical corrosion of material, major aircraft factory is increasingly prone to using specific strength height, corrosion resistant
The fastener of the titanium or titanium alloy material of erosion.It is easy for installation for the connection and maintenance at the not open position of aircraft, generally use
The self-plugging rivet of blind riveting.Titanium alloy core pulling bolt combines titanium alloy material and the advantage of blind riveting, also has connection
The features such as intensity is big, reliability is high, in light weight and easy to operate, development potentiality is huge, and market development prospect is very good.
Authorization Notice No. is that CN103291719A patent of invention document discloses a kind of self-plugging rivet, and the rivet includes titanium
Alloy rivet nut, core bar, drive nut, body and ring, wherein core bar bar footpath are full thread, and its one end is T-shaped cylindrical structure,
The middle part of core bar is provided with cut-off neck slot, and two sections of Major Diams at cut-off neck slot both ends are inconsistent, is more than by head end Major Diam and leans on tail
Hold Major Diam.The rivet is engaged drive nut in installation process, by riveting gun, and driving core bar is threadingly advanced, and sleeve pipe is formed
Bulge, last core bar are broken at cut-off neck slot.This rivet can form the major diameter bulge of " big base angle " shape after mounting, reach
Rivet the effect of pretension.
Self-plugging rivet disclosed in above-mentioned patent document has following defect:
(1) part is more, adds the assembly difficulty of design difficulty and product, increases manufacturing cost;
(2) rivet nut and drive nut are hollow full inner thread structure, and the two thread size is different, need to use two kinds of screw taps
Processing, because titanium alloy has the characteristics such as poor thermal conductivity, low elastic modulus, determines that titanium alloy component tapping difficulty is larger, adds
During the small screw of the longer depth of work, screw tap is easily stuck, and fracture, processing cost and difficulty are all high;
(3) to ensure to coordinate with the screw thread of rivet nut and drive nut, core bar cut-off neck slot both ends Major Diam is inconsistent, for
Polished rod footpath size before rolling screw-threads requires very high, and manufacture difficulty is very big.
The content of the invention
Simple for structure the invention provides a kind of blind riveting bolt, assembling is simple, is ensureing every mechanical performance index
On the premise of, greatly reduce difficulty of processing and manufacturing cost.
A kind of blind riveting bolt, including the core bar with limited cap, the sleeve pipe that is threadably mounted on core bar and be arranged
Rivet body on core bar and between limited cap and sleeve pipe;
Described rivet body one end is provided with the stop head for the cooperation that offseted with limited cap, the other end and sleeve circumferential location fit;
During riveting, core bar rotates relative to rivet body, and sleeve pipe is hampered by riveting part and deformation, and deformation position and the resistance
Stopper is against the both sides of riveting part.
One end of the rivet body and sleeve circumferential location fit, i.e., do not rotate against, in the circumferential between rivet body and sleeve pipe
Keep relative position constant.
During riveting, keep rivet body static, rotate core bar, what sleeve pipe kept in the presence of the rivet body in circumference static (covers
Pipe do not rotate), between sleeve pipe and core bar for screw thread coordinate, core bar rotate during, sleeve pipe along core bar axially by
Walk and moved to riveting part, under the barrier effect of riveting part, sleeve pipe deforms upon, after the completion of riveting, the deformations of sleeve pipe
Position is with stopping head against the both sides of riveting part.
After the completion of riveting, the side of riveting part is against the stop head of rivet body, and the opposite side of riveting part is against sleeve pipe
Deformation position, sleeve pipe and core bar screw thread coordinate with against keeping deformation position that resilience does not occur, ensure to have after riveting compared with
High pretightning force, tensile strength and fatigue strength.
The stop head of the rivet body has bigger radial dimension relative to other positions on rivet body axial direction, is covered on rivet
Pipe is stretched into riveted holes at one end, until stopping that head offsets with riveting part, is then kept rivet body motionless, is rotated core bar, enter
Row riveting operation.
In riveting process and after the completion of riveting, the tight caulking part of deformation position retaining clip for stopping head and sleeve pipe of rivet body
The state of part.
In riveting process, the relative position of rivet body and riveting part is constant, i.e. the stop head holding of rivet body and caulking part
The position relationship that offsets of part, core bar rotate relative to rivet body, but core bar does not have relative motion, i.e. core bar upwards with rivet body in rivet shaft
With rivet body in riveting process, there is no Relative sliding upwards in rivet shaft.
As long as core bar rotation can be realized, make sleeve pipe along core bar axially progressively close to riveting part, to sleeve pipe and core bar
Between screw thread specification without particular/special requirement.
Preferably, carry cut-off neck slot on the core bar, the cut-off neck slot side is the drive section twisted off after installation, opposite side
For riveting segment, the limited cap is located in riveting segment and neighbouring cut-off neck slot, the one end of riveting segment away from limited cap carry with it is described
The external screw thread that sleeve pipe is engaged.
The drive section and sleeve pipe be located at the both sides of cut-off neck slot, in riveting process, apply rotation to core bar by drive section
Power, cut-off neck slot provide stress concentration point, when torsional forces suffered by cut-off neck slot be more than setting disconnected neck power when, core bar is in cut-off neck slot
Place's fracture, drive section depart from rivet, and riveting segment plays a part of connecting riveting part.
In riveting process, because core bar and rivet body are without the relative motion of axial direction, and the stop head of rivet body remains
With the abutting relation of riveting part, therefore, the relative position of post-rift core bar and rivet body is determined by design size completely, is passed through
Adjust the size of core bar and rivet body, it is ensured that core bar section section corresponding with rivet body is concordant.
The cut-off neck slot need to ensure the fracture that flushes of core bar, and the shape of cut-off neck slot is without particular/special requirement.
Preferably, described sleeve pipe has deformation section towards one end of rivet body, one end of the rivet body towards sleeve pipe is provided with
The divided edge structure for guiding deformation section to be axially moved.
The rivet body uses titanium or titanium alloy material, and is hollow structure, the internal circular hole for isometrical extension, the rivet body
Outer peripheral face towards sleeve pipe one end is cone, and the conical vertex of a cone is located at the end of rivet body, and cone is the slope
Mouth structure, sleeve pipe gradually move to be deformed upon against riveting part under the driving of core bar along divided edge structure.
Preferably, be nested between the deformation section and core bar of described sleeve pipe can deformation packing ring.
The packing ring uses plastic material, and packing ring is extruded during sleeve pipe deformation and is also deformed upon, has been riveted
Cheng Hou, the gap between filler ring filling sleeve pipe and rivet body, the stabilization of holding riveting completion status.
Preferably, on the contact site of both the rivet body and sleeve pipe, at least one is provided with prevents to circumferentially positioned
Slip teeth.
At least a portion outer peripheral face or at least a portion axial end between the rivet body and sleeve pipe are in contact, preferably
Ground, the outer peripheral face of the end face of described sleeve pipe against rivet body.Further preferably, groove knot of the end face of described sleeve pipe against rivet body
Structure.
The structure of the anti-slop serrations is not particularly limited, as long as the relative rotation between sleeve pipe and rivet body can be prevented.
Preferably, the anti-slop serrations are uniformly distributed circumferentially on rivet body and/or sleeve pipe.
The anti-slop serrations are arranged on the contact site of both rivet body and sleeve pipe, to prevent the phase on sleeve pipe and rivet body circumference
To motion, namely prevent the relative rotation of sleeve pipe and rivet body.
Preferably, the anti-slop serrations are distributed on the divided edge structure of rivet body.Further preferably, the anti-slop serrations are along riveting
Body is circumferentially distributed and along the axially extending a plurality of anti-slip veins of rivet body.
Preferably, described stop that head is provided with the counterbore being adapted with spacing cap shaped.The limited cap is with stopping head
End face it is concordant.
The limited cap is sunken in the counterbore for stopping head completely, and limited cap is concordant with the homonymy axial end for stopping head, core
After bar is broken at cut-off neck slot, section of the core bar at cut-off neck slot and the corresponding axial end of limited cap and stop head are concordant.
Present invention also offers a kind of clinching method, comprise the following steps:
By described blind riveting bolt-through riveting part;
Keep the relative position of rivet body and riveting part constant, driving core bar rotation;
Sleeve pipe is carried out by rivet body circumferential spacing to make sleeve pipe axially movable and be hampered by riveting part and deformation;
When the deformation position of sleeve pipe pushes against riveting part both sides with the stop head, core bar is twisted off, completes riveting.
Compared with prior art, blind riveting bolt provided by the invention has advantages below:
(1) the blind riveting bolt is only made up of four parts, and assembling is simple, and manufacturing cost is low;
(2) rivet body is hollow structure, no internal thread, the problem of avoiding titanium alloy tapping difficulty, not only reduce plus
Work difficulty, is greatly reduced manufacturing cost;
(3) tail end that core bar only coordinates with sleeve pipe is provided with external screw thread, and process is simple, and cost is low;
(4) relative position of core bar and rivet body does not change in bolt installation process, so as to only be adjusted by size
It can be achieved to flush section;
(5) bolt after installing can form " big base angle " bulge, and bulge diameter is followed closely much larger than staking snap riveting, ensures pretightning force
Staking type self-plugging rivet is much larger than etc. performance;
(6) after installing, together with the anti-slop serrations of rivet body are inlayed with plastic hoop, formation mechanical self-latching structure.
Brief description of the drawings
Fig. 1 is the schematic diagram of blind riveting bolt of the present invention;
Fig. 2 is the schematic cross-section of blind riveting bolt of the present invention;
Fig. 3 is the schematic diagram of rivet body in blind riveting bolt of the present invention;
Fig. 4 is the schematic diagram after the completion of blind riveting bolt of the present invention riveting;
Fig. 5 is the schematic cross-section after the completion of blind riveting bolt of the present invention riveting.
In figure:1st, core bar;1a, drive section;1b, cut-off neck slot;1c, limited cap;2nd, rivet body;2a, stop head;2b, groove knot
Structure;2c, anti-slop serrations;3rd, sleeve pipe;3a, deformation section;3b, changeover portion;3c, push section;4th, packing ring;5th, riveting part.
Embodiment
Below in conjunction with the accompanying drawings, blind riveting bolt of the present invention is described in detail.
As shown in Figure 1 and Figure 2, blind riveting bolt, including the core bar 1 with limited cap 1c, be threadably mounted on core bar 1
Sleeve pipe 3 and be set in rivet body 2 on core bar 1 and between limited cap 1c and sleeve pipe 3.
As shown in figure 1, carrying cut-off neck slot 1b on core bar 1, cut-off neck slot 1b sides (are driven for the drive section 1a twisted off after installation
Dynamic section 1a length is L1), opposite side is riveting segment (length of riveting segment is L2), and limited cap 1c is located in riveting segment and neighbouring
Cut-off neck slot 1b, the one end of riveting segment away from limited cap 1c carry the external screw thread being engaged with sleeve pipe 3.
Sleeve pipe 3 remains in riveting process and removes remaining of external thread section with the cooperation of externally threaded screw thread, riveting segment
Outer peripheral face is smooth surface, and as shown in Fig. 2, Fig. 5, in the axial direction of rivet, external thread length is about rivet segment length one
Half.
As shown in figure 3, the one end of rivet body 2 is provided with the stop head 2a for the cooperation that offseted with limited cap 1c, the other end and set of rivet body 2
3 circumferentially positioned cooperation of pipe, rivet body 2 are provided with the divided edge structure 2b of guiding deformation section 3a axial movements, groove towards one end of sleeve pipe 3
Structure 2b is provided with anti-slop serrations 2c, and anti-slop serrations 2c is annular knurl line axially extending along rivet body 2, and circumferentially uniformly being arranged along rivet body 2.
As shown in Fig. 2 the screw thread of sleeve pipe 3 coordinates on the external thread section of core bar 1, as shown in Figure 1 and Figure 2, sleeve pipe 3 is vertically
Include deformation section 3a, changeover portion 3b and push section 3c successively, the 1/3 of each section of the axial length substantially axial length of sleeve pipe 3.
As shown in Fig. 2 deformation section 3a be nested with towards rivet body 2 and between core bar 1 can deformation packing ring 4, deformation section
3a is provided with the annular groove of accommodating packing ring 4, and deformation section 3a wall thickness is most thin;Push section 3c away from rivet body 2 and wall thickness it is most thick, with core
The external screw thread screw thread of bar 1 coordinates;Changeover portion 3b external diameter is slightly less than deformation section 3a and push section 3c, changeover portion 3b interior walls be smooth
Linking push section 3c and deformation section 3a inwall.
As shown in figure 5, after the completion of riveting, deformation section 3a is deformed upon completely, forms 180 degree bending structure, changeover portion 3b
Part is deformed upon, and push section 3c is not deformed upon.
As shown in Fig. 2 between the inner wall smooth of packing ring 4, with core bar 1 and non-threaded cooperation;In the deformation section 3a of sleeve pipe 3
Wall is smooth, and smooth outer wall is bonded to each other with packing ring 4.
As shown in Fig. 2 anti-slop serrations 2c of the deformation section 3a ends of sleeve pipe 3 against the abutting end of rivet body 2, in anti-slop serrations 2c work
Under, the relative rotation of sleeve pipe 3 and rivet body 2 is prevented, realizes circumferentially positioned cooperation.
As shown in Figure 4, Figure 5, after the completion of riveting, stop head 2a and limited cap 1c against the side of riveting part 5, sleeve pipe 3
Deformation section 3a against riveting part 5 opposite side.Stop that head 2a is provided with the counterbore being adapted with limited cap 1c shapes, core bar
1 section is concordant with the corresponding axial end for stopping head 2a and limited cap 1c.
Stop that head 2a shape is unlimited, the conventional plush copper (as shown in Figure 4, Figure 5) of self-plugging rivet, 100 ° of countersunk heads can be used
With 130 ° of countersunk heads etc..
Axially can slidably realize assembling along rivet between rivet body 2 and core bar 1, but in riveting process, rivet body 2 and
Core bar 1 keeps axial geo-stationary.
For the ease of keeping the inactive state of rivet body 2, the periphery for stopping head 2a is not the smooth face of cylinder, for the ease of behaviour
Make the rotation of core bar 1, the face of cylinder of drive section 1a periphery also Non-smooth surface, the outer peripheral face of rivet body 2 and drive section 1a outer peripheral face
It is designed according to riveting gun.
Rivet body 2, core bar 1 and sleeve pipe 3 use titanium alloy material, and packing ring 4 uses plastic material.
During riveting, by blind riveting bolt-through riveting part 5, in the presence of riveting gun, rivet body 2 and riveting part are kept
5 relative position is constant, and driving core bar 1 rotates, and sleeve pipe 3 does not rotate under the position-limiting action of rivet body 2, is rotated in core bar 1
Driving under, along core bar 1, axially adjacent to riveting part 5, and under the stop of riveting part 5 deformation occurs for sleeve pipe 3 into bulge,
As shown in Figure 4, Figure 5, when the torsional forces that cut-off neck slot 1b is subject to is more than the disconnected neck power of setting, core bar 1 is broken, and completes riveting.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.For example, after the completion of in order to avoid riveting, core bar 1 is long beyond the end of sleeve pipe 3, by core
There is bar 1 externally threaded part to be arranged to mutually linkage and separable two sections (synchronous axial system between two sections), the close tail of core bar 1
One section of end (one end i.e. away from drive section 1a) is after completing to rivet, Automatic-falling.
The invention is not limited in embodiment disclosed and described above, to some modifications and changes of the present invention
It should also be as falling into the scope of the claims of the present invention.In addition, although some specific arts are used in this specification
Language, but these terms are merely for convenience of description, do not form any restrictions to the present invention.
Claims (10)
1. a kind of blind riveting bolt, it is characterised in that including the core bar with limited cap, the set being threadably mounted on core bar
Manage and be set in the rivet body on core bar and between limited cap and sleeve pipe;
Described rivet body one end is provided with the stop head for the cooperation that offseted with limited cap, the other end and sleeve circumferential location fit;
During riveting, core bar rotates relative to rivet body, and sleeve pipe is hampered by riveting part and deformation, and deformation position and the stop head
Against the both sides of riveting part.
2. blind riveting bolt as claimed in claim 1, it is characterised in that cut-off neck slot, the cut-off neck slot are carried on the core bar
Side is the drive section twisted off after installation, and opposite side is riveting segment, and the limited cap is located in riveting segment and neighbouring cut-off neck slot, riveting
Connect the one end of section away from limited cap and carry the external screw thread being engaged with described sleeve pipe.
3. blind riveting bolt as claimed in claim 1, it is characterised in that described sleeve pipe has deformation towards one end of rivet body
Section, the rivet body are provided with the divided edge structure of guiding deformation section axial movement towards one end of sleeve pipe.
4. blind riveting bolt as claimed in claim 3, it is characterised in that nested between the deformation section and core bar of described sleeve pipe
Have can deformation packing ring.
5. blind riveting bolt as claimed in claim 3, it is characterised in that the contact site of both the rivet body and sleeve pipe
On, at least one is provided with to circumferentially positioned anti-slop serrations.
6. blind riveting bolt as claimed in claim 5, it is characterised in that the anti-slop serrations are uniformly distributed circumferentially in rivet body
And/or on sleeve pipe.
7. blind riveting bolt as claimed in claim 6, it is characterised in that the anti-slop serrations are distributed in the divided edge structure of rivet body
On.
8. blind riveting bolt as claimed in claim 1, it is characterised in that the stop head is provided with and spacing cap shaped phase
The counterbore of adaptation.
9. blind riveting bolt as claimed in claim 1, it is characterised in that the limited cap is concordant with the end face for stopping head.
10. a kind of clinching method, it is characterised in that comprise the following steps:
By the blind riveting bolt-through riveting part described in any one of claim 1~9;
Keep the relative position of rivet body and riveting part constant, driving core bar rotation;
Sleeve pipe is carried out by rivet body circumferential spacing to make sleeve pipe axially movable and be hampered by riveting part and deformation;
When the deformation position of sleeve pipe pushes against riveting part both sides with the stop head, core bar is twisted off, completes riveting.
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CN201710994698.7A CN107842545A (en) | 2017-10-23 | 2017-10-23 | A kind of blind riveting bolt and its clinching method |
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CN201710994698.7A CN107842545A (en) | 2017-10-23 | 2017-10-23 | A kind of blind riveting bolt and its clinching method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110939077A (en) * | 2019-12-31 | 2020-03-31 | 中铁二院工程集团有限责任公司 | Method for repairing fatigue crack of closed stiffening rib of orthotropic steel bridge deck |
CN112303092A (en) * | 2020-11-05 | 2021-02-02 | 航天精工股份有限公司 | Novel high-strength single-face connecting bolt |
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CN105626654A (en) * | 2016-02-18 | 2016-06-01 | 航天精工股份有限公司 | Bolt and nut assembly structure installed on one face |
CN207526847U (en) * | 2017-10-23 | 2018-06-22 | 浙江西子航空紧固件有限公司 | A kind of blind riveting bolt |
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2017
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US2415560A (en) * | 1943-09-30 | 1947-02-11 | Bryant Heater Co | Rivet with fluid expander therein |
US20020192047A1 (en) * | 2001-05-31 | 2002-12-19 | Gesipa Blindniettechnik Gmbh | Blind rivet nut and fastening unit |
US20080025811A1 (en) * | 2006-07-25 | 2008-01-31 | Jean-Marc Auriol | Method for structural attachment using a blind rivet, blind rivet enabling the method to be implemented and fitting tool suitable for such a rivet |
CN104776101A (en) * | 2014-01-14 | 2015-07-15 | 利西太空公司 | Rivet for blind fasteners, associated setting tool and method for setting such a rivet |
CN105626654A (en) * | 2016-02-18 | 2016-06-01 | 航天精工股份有限公司 | Bolt and nut assembly structure installed on one face |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110939077A (en) * | 2019-12-31 | 2020-03-31 | 中铁二院工程集团有限责任公司 | Method for repairing fatigue crack of closed stiffening rib of orthotropic steel bridge deck |
CN112303092A (en) * | 2020-11-05 | 2021-02-02 | 航天精工股份有限公司 | Novel high-strength single-face connecting bolt |
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