CN107842545A - A kind of blind riveting bolt and its clinching method - Google Patents

A kind of blind riveting bolt and its clinching method Download PDF

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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
Authority
CN
China
Prior art keywords
riveting
sleeve pipe
rivet body
core bar
deformation
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.)
Pending
Application number
CN201710994698.7A
Other languages
Chinese (zh)
Inventor
王永梁
颜勋
王晓松
赵义秀
产世刚
化汪淋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Xizi aircraft parts Co., Ltd.
Original Assignee
ZHEJIANG XIZI AEROSPACE FASTENER Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG XIZI AEROSPACE FASTENER Co Ltd filed Critical ZHEJIANG XIZI AEROSPACE FASTENER Co Ltd
Priority to CN201710994698.7A priority Critical patent/CN107842545A/en
Publication of CN107842545A publication Critical patent/CN107842545A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-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
    • F16B35/041Specially-shaped shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04Rivets; Spigots or the like fastened by riveting
    • F16B19/08Hollow 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

A kind of blind riveting bolt and its clinching method
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.
CN201710994698.7A 2017-10-23 2017-10-23 A kind of blind riveting bolt and its clinching method Pending CN107842545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710994698.7A CN107842545A (en) 2017-10-23 2017-10-23 A kind of blind riveting bolt and its clinching method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710994698.7A CN107842545A (en) 2017-10-23 2017-10-23 A kind of blind riveting bolt and its clinching method

Publications (1)

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CN107842545A true CN107842545A (en) 2018-03-27

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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Address after: 311222 No. 277, Xinken Road, Qiantang New District, Hangzhou City, Zhejiang Province

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Applicant before: Zhejiang Xizi Aerospace Fastener Co., Ltd.