CN101092985A - Repeatable usable drawing rivet, and method of use - Google Patents

Repeatable usable drawing rivet, and method of use Download PDF

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Publication number
CN101092985A
CN101092985A CNA2007100496079A CN200710049607A CN101092985A CN 101092985 A CN101092985 A CN 101092985A CN A2007100496079 A CNA2007100496079 A CN A2007100496079A CN 200710049607 A CN200710049607 A CN 200710049607A CN 101092985 A CN101092985 A CN 101092985A
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China
Prior art keywords
collar
section
rivet
riveting machine
overcoat
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CNA2007100496079A
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Chinese (zh)
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CN100587279C (en
Inventor
肖颖
伏凯
胡方年
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Meishan Zhongche Fastener Technology Co Ltd
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CSR Meishan Rolling Stock Co Ltd
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Priority to CN200710049607A priority Critical patent/CN100587279C/en
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Abstract

This invention relates to a pull-rivet used repeatedly and its usage, in which the rivet is composed of a nailhead, a nailrod and a ringer, and the nailrod is composed of a ring slot section at the front extrusion-matched with the ringer and an outer screw part at the end, which eliminates original separation groove and end nail-rod compared with present ring-slot rivets and saves material by 40%, the outer screw thread part of the rear end of a nail rod is used in either connecting with the screw thread rotating inner jacket of the riveter or removing the connection and forms a cutter with a blade in the jacket of the riveter, which moves forward along the jacket axially to cut ringers down and nail rod can be used again.

Description

Repeatable usable drawing rivet and using method
(1) technical field: repeatable usable drawing rivet of the present invention and using method belong to fastening piece class (F16B).
(2) background technique:
For a long time, steel structure such as rail freight, automobile, bridge all use the conventional rivets of rivet hot, the nut that the suitable what of its chemical composition and mechanical property is 4.8 grades, cause that this steel structure connection reliability is low, the repair cycle is short, problems such as later maintenance cost height can't satisfy the requirement of shipping ' heavy duty, speed-raising '.And it is big that pop-rivet is installed labor intensity, and voice is big, befouling environment.Therefore emphasis, the key position at above-mentioned steel structure adopts novel fastener very urgent and necessary.
Chinese patent discloses a kind of novel fastener ' pulling rivet ' (ZL200520035325X, documents 1) the problems referred to above have been solved, produced following effect: 1. installation property is good: with the bolt ratio, needn't apply torque and repeatedly impact, only need just can finish with a riveting machine; Not high to the installation personnel technical requirements, installing only needs the order side to get final product.2. shock resistance is good, and is more solid and reliable than nut, rivet hot or welding; Solved<alternate load, impacted under the operating mode loosening〉a historic difficult problem, realize being solidly connected forever.3. anti-corrosive properties are strong, the life-span is long: always gapped between internal and external threads during nut connects, and the annular groove of ring-grooved rivet and extruded sleeve interannular are to form by the distortion interlock that a circle circle does not connect, thoroughly eliminate the gap, atmosphere and liquids can't immerse, not corroded by aqueous vapor, improve working life greatly, be specially adapted to need not dismounting and be subject to the sleet attack sites.
Above-mentioned but ' ring-grooved rivet ' exists following deficiency: i. not reuse, and promptly is difficult to realize dismounting from structure, only is suitable for the position that need not to dismantle.Ii. ring-grooved rivet separating vessel is arranged and in the rear end long drawing rod, require the riveted joint space big, be unfavorable for the rivet that small space is installed.Iii. the process of riveting is because of breaking separating vessel, and voice is bigger than normal during installation.Iv. after the riveted joint, the drawing rod of separating vessel rear end is all lost, and waste of material is bigger.
Chinese patent is disclosed<detachable quick rivet〉(ZL01138321.6), it is a kind of dismountable self-plugging rivet, but two is to rivet with screw thread between the riveted joint body mutually, and the circular groove riveting ratio of screw thread riveted joint and above-mentioned ' ring-grooved rivet ', soundness is poor, easily loosening, and quilt is connected, and frictional force weakens between two articles, and is in service stressed all on the nail bar, when being vibrated, very easily fatigue fracture.If use circular groove riveting, clamping the back, to be connected between two articles frictional force very big, the fracture of rivet indefatigability, assurance join strength and reliability.
(3) summary of the invention:
Repeatable usable drawing rivet provided by the invention and using method, its purpose just provide a kind of pulling rivet and had both had the firm circular groove riveting of high strength, can reuse again, and material are saved.
Its technological scheme is as follows:
Repeatable usable drawing rivet is made up of ailhead 1, nail bar 2 and the collar 3, it is characterized in that following closely bar 2 and is made up of the annular groove section 2A that cooperates with the collar 3 extruding of front end and one section external thread section 2B of rear end.
Above-mentioned ailhead 1 can be coiled hair 1a, hexagonal flange 1b or eye thimble 1c.
Above-mentioned annular groove section 2A outer diameter D 2A, external thread section 2B length L 2B, the collar 3 outer diameter D 31, D 32Span sees Table 1 table 1 (millimeter)
Label diameter Annular groove section 2A outer diameter D 2A External thread section 2B length L 2B Collar outer diameter D 31 Collar inside diameter D 32
12 12.0-13.0 16.0-19.1 20.1-21.1 12.6-13.6
16 15.1-16.1 17.2-19.2 25.1-26.1 15.8-16.8
20 19.2-20.2 18.3-20.3 30.3-31.3 19.3-20.3
22 21.4-22.4 20.0-22.0 34.2-35.2 22.5-23.5
24 23.4-24.7 21.7-23.7 36.5-37.5 24.2-25.2
The using method of above-mentioned repeatable usable drawing rivet is characterized in that the clinching method in this method has the following steps:
I. will follow closely bar 2 and pass the two articles 4 and 5 by company, the collar 3 is enclosed within outside the annular groove section 2A; Place special-purpose rotation riveting machine 6 at nail bar 2 rears; Cover 6.1 is rotated in the forward in the rotation riveting machine, makes external thread section 2B screw in interior cover 6.1 internal thread segment 6.1a, tightens by the engagement of internal and external threads section;
Ii. rotate riveting machine overcoat 6.2 to reach, the collar 3 is squeezed in outside the annular groove section 2A;
Iii. move after rotating riveting machine overcoat 6.2, break away from annular groove section 2A; External thread section 2B is withdrawed from cover 6.1 counterrotatings in the rotation riveting machine; The rotation riveting machine unloads, and riveted joint is finished.
The using method of above-mentioned repeatable usable drawing rivet is characterized in that the method for dismounting in this method has the following steps:
1. connected two articles 4 and 5 places, the repeatable usable drawing rivet rear of installation, the broken device 7 of cutting of dress; The broken interior cover 7.1 of device of cutting is rotated in the forward, and makes external thread section 2B screw in interior cover internal thread segment 7.2a, meshes by the internal and external threads section and tightens; Broken cutting is equipped with on the circle in device overcoat 7.2 front ends along circumferential uniform two axial feed blades 7.3 at least; 2. the broken device overcoat 7.2 of cutting moves forward, and drives blade 7.3 and axially moves forward the close gradually collar 3, and the blade axial feed cuts the collar; 3. brokenly move after cutting device overcoat 7.2, break away from the collar 3; Brokenly subsequently cut cover 7.1 counterrotatings in the device, withdraw from external thread section 2B, brokenly cut device and separate repeatable usable drawing rivet; 4. the collar 3 breaks, and breaks away from annular groove section 2A and falls, and takes out nail bar 2 and reuses.
The broken device overcoat 7.2 of cutting adopts in rotation riveting machine overcoats 6.2 front ends circle to be equipped with along circumferential at least two uniform axial feed blades 7.3 and forms; The broken cover 7.1 of cutting in the device adopts in the rotation riveting machines cover 6.1 cylindricals to set up axial tool withdrawal groove 7.4 and form; It is broken that to cut device identical with all the other structures of rotation riveting machine.
Rotation riveting machine or the broken device of cutting are the special tools that repeatable usable drawing rivet of the present invention is riveted or dismantled, and interior cover 6.1 in it or 7.1 forward and backwards are to drive through driving component by the wind motor that is provided with in the rotation riveting machine to realize.Overcoat 6.2 or 7.2 reaches or retreat be the hydraulic system that is provided with in the riveting machine by rotation to oil cylinder apply forward, backpressure is realized; Riveting machine overcoat 6.2 reach be to the collar 3 directions near pushing, broken cut 7.2 reaches of device overcoat be to the collar 3 directions near cutting, it is to break away from pulling rivet that overcoat 6.2 or 7.2 retreats, riveted joint or dismounting finish.
Beneficial effect of the present invention is as follows:
I. compare with documents 1, kept that original circular groove riveting and the installation that has are good, antidetonation, solid and reliable, corrosion-resistant, premium properties such as the life-span is long; And realized reusable.Ii. removed original separating vessel and rear end nail bar on the structure, the nail bar shortens, and the ring-grooved rivet material saves 40%.Iii. the riveted joint mode changes, and no longer breaks separating vessel, and the little environmental protection of installation ground voice is good.Iv. rotate riveting machine and no longer break separating vessel, riveting pressure reduces, and cylinder diameter reduces, and the riveted joint process does not have impact, and speed is fast.Iv. follow closely bar and shorten, require the riveted joint space little, Applicable scope enlarges.V. establish external thread section on the rear end nail bar, both can be used for installing rotation riveting machine 6, can be used for dismantling the broken device 7 of cutting that rivet is used again.Vi. rotate riveting machine 6 and be universal component with the broken device 7 of cutting, dual-use, cost is low.
(4) description of drawings:
The ailhead 1 of Fig. 1 rivet of the present invention and nail bar 2
The collar 3 of Fig. 2 rivet of the present invention
Fig. 3 rivet arrangement embodiment 1 of the present invention (ailhead is a coiled hair) and riveted joint first step diagram
Fig. 4 rivet embodiment 1 riveted joint of the present invention second step diagram
Fig. 5 rivet embodiment 1 riveted joint third step (riveted joint is finished) diagram of the present invention
Fig. 6 rivet embodiment 1 dismounting diagram of the present invention
Fig. 7 rivet arrangement embodiment 2 of the present invention (ailhead is the hexagonal flange) and riveted joint first step diagram
Fig. 8 rivet arrangement embodiment 3 of the present invention (ailhead is an eye thimble) and riveted joint first step diagram
(5) embodiment;
Embodiment 1:
See Fig. 1, Fig. 2, present embodiment 1 repeatable usable drawing rivet is made up of ailhead 1, nail bar 2 and the collar 3.Ailhead 1 is coiled hair 1a.Nail bar 2 is made up of the annular groove section 2A that cooperates with the collar 3 extruding of front end and one section external thread section 2B of rear end.The two intersegmental changeover portions that have a bit of for processing need usefulness.
Present embodiment 1 repeatable usable drawing rivet label diameter D=20mm, annular groove section external diameter value D 2A=19.2-20.2, external thread section 2B length L 2B=18.3-20.3.Collar external diameter value D 31=30.3-31.3, internal diameter value D 32=19.3-20.3.
The riveted joint step:
I. see Fig. 3, will follow closely bar 2 and pass the two articles 4 and 5 by company that coiled hair 1a is close to object 4 surfaces, the collar 3 is enclosed within on the annular groove section 2A; Cover 6.1 was rotated in the forward (just changeing by wind motor and driving component in the rotation riveting machine) in rotation riveting machine 6 drove, and made external thread section 2B screw in cover 6.1 internal thread segment 6.1a in the rotation, tightened by the engagement of internal and external threads section.Ii. see Fig. 4, riveting machine overcoat 6.2 (rotates riveting machine 6 hydraulic systems by starting to reach, the pressure oil forward enters oil cylinder, promote oil cylinder and the overcoat 6.2 that is connected with it to moving forward), by overcoat inclined-plane 6.3 collar 3 is squeezed on the annular groove section 2A, the collar 3 front ends are close to object 5 surfaces, and the collar 3 is between annular groove section 2A and overcoat 6.2 endoporus.Iii. see Fig. 4, rotation riveting machine overcoat 6.1 retreats (by starting rotation riveting machine 6 hydraulic systems, pressure oil oppositely enters oil cylinder, promotes oil cylinder and moves backward with the overcoat 6.2 that is connected with it); External thread section 2B is withdrawed from cover 6.1 counterrotatings subsequently (driving interior cover counter-rotating by rotation riveting machine wind motor and driving component), and the rotation riveting machine unloads, and (see figure 5) is finished in riveted joint.
Demounting procedure: see Fig. 6
1. can repeat to use the ring-grooved rivet rear, dress breaks cuts device 7, and the broken interior cover 7.1 of device of cutting is rotated in the forward, and makes external thread section 2B screw in interior cover internal thread segment 7.1a, meshes by the internal and external threads section and tightens; Broken cutting in device overcoat 7.2 front ends is equipped with on the circle along circumferential uniform two axial feed blade 7.3, two blades circumferentially at a distance of 180 °.2. the broken device overcoat 7.2 of cutting moves forward, and drives blade 7.3 and axially moves forward the close gradually collar 3, and the blade axial feed cuts off the collar 3.3. brokenly move after cutting device overcoat 7.2, break away from the collar 3, two blades 7.3 and retreat in company with overcoat 7.2 along the axial tool withdrawal grooves 7.4 in the interior cover 7.1; The broken subsequently device wind motor of cutting overlaps 7.1 counterrotatings in driving component drives, interior cover 7.1 withdraws from external thread section 2B; Broken cut device and separate repeatable usable drawing rivet.4. to break be two lobes to the collar 3, breaks away from annular groove section 2A and fall, and takes out nail bar 2 and reuse.
Embodiment 2: see Fig. 7, ailhead 1 adopts hexagonal flange 1b, is used for the situation that the riveted joint process needs to stop the rivet spinning.All the other structures and using method and embodiment 1 are identical.
See Fig. 1, Fig. 2, present embodiment 2 repeatable usable drawing rivet label diameter D=16mm, annular groove section external diameter value D 2A=15.1-16.1, external thread section 2B length L 2B=17.2-19.2, collar external diameter value D 31=25.1-26.1, internal diameter value D 32=5.8-16.8.
Embodiment 3: see Fig. 8, ailhead 1 adopts eye thimble 1c, is used for need installing additional on the rivet situation of miscellaneous part.All the other structures and using method and embodiment 1 are identical.
See Fig. 1, Fig. 2, present embodiment 3 repeatable usable drawing rivet label diameter D=16mm, annular groove section external diameter value D 2A=15.1-16.1, external thread section 2B length L 2B=17.2-19.2, collar external diameter value D 31=25.1-26.1, internal diameter value D 32=5.8-16.8.

Claims (6)

1. repeatable usable drawing rivet is made up of ailhead (1), nail bar (2) and the collar (3), it is characterized in that following closely bar (2) and is made up of the annular groove section (2A) that cooperates with the collar (3) extruding of front end and one section external thread section (2B) of rear end.
2. by the described pulling rivet of claim 1, it is characterized in that annular groove section (2A) outer diameter D 2A, external thread section (2B) length L 2B, the collar (3) outer diameter D 31, D 32Span sees Table 1 table 1 (millimeter)
Label diameter Annular groove section 2A outer diameter D 2A External thread section 2B length L 2B Collar outer diameter D 31 Collar inside diameter D 32 12 12.0-13.0 16.0-19.1 20.1-21.1 12.6-13.6 16 15.1-16.1 17.2-19.2 25.1-26.1 15.8-16.8 20 19.2-20.2 18.3-20.3 30.3-31.3 19.3-20.3 22 21.4-22.4 20.0-22.0 34.2-35.2 22.5-23.5 24 23.4-24.7 21.7-23.7 36.5-37.5 24.2-25.2
3. by the described repeatable usable drawing rivet of claim 1, it is characterized in that ailhead (1) is coiled hair (1a), hexagonal flange (1b) or eye thimble (1c).
4. by the using method of the described repeatable usable drawing rivet of claim 1, the clinching method in this using method of its feature comprises the steps:
I. will follow closely bar (2) and pass the two articles (4) and (5) by company, the collar (3) is enclosed within outside the annular groove section (2A); Place special-purpose rotation riveting machine (6) at nail bar (2) rear; Cover (6.1) is rotated in the forward in the rotation riveting machine, makes external thread section (2B) screw in interior cover (6.1) internal thread segment (6.1a), tightens by the engagement of internal and external threads section;
Ii. rotate riveting machine overcoat (6.2) to reach, the collar (3) is squeezed in outside the annular groove section (2A);
Iii. move after rotating riveting machine overcoat (6.2), break away from annular groove section (2A); External thread section (2B) is withdrawed from cover (6.1) counterrotating in the rotation riveting machine; The rotation riveting machine unloads, and riveted joint is finished.
5. by the using method of the described repeatable usable drawing rivet of claim 1, it is characterized in that the method for dismounting in this using method has the following steps:
1. connect two articles (4) and (5) at quilt and locate, the repeatable usable drawing rivet rear of installation, the broken device (7) of cutting of dress; The broken interior cover of device (7.1) of cutting is rotated in the forward, and makes external thread section (2B) screw in interior cover internal thread segment (7.1a), meshes by the internal and external threads section and tightens; Broken cutting is equipped with on the circle in device overcoat (7.2) front end along circumferential uniform two axial feed blades (7.3) at least;
2. break and cut device overcoat (7.2) reach, drive blade (7.3) and axially move forward the close gradually collar (3), the blade axial feed cuts the collar (3);
3. brokenly move after cutting device overcoat (7.2), break away from the collar (3); Broken cut cover (7.1) counterrotating in the device, withdraw from external thread section (2B), brokenly cut device and separate repeatable usable drawing rivet;
4. the collar (3) breaks, and breaks away from annular groove section (2A) and falls, and takes out nail bar (2) and reuses.
6. by the described using method of claim 5, it is characterized in that broken cutting device overcoat (7.2) and adopt in rotation riveting machine overcoat (6.2) front end circle to be equipped with to form the broken cover (7.1) of cutting in the device to adopt and overlap (6.1) cylindrical in the rotation riveting machine and set up axial tool withdrawal groove (7.4) and form along circumferential uniform at least two axial feed blades (7.3); It is broken that to cut device identical with all the other structures of rotation riveting machine.
CN200710049607A 2007-07-25 2007-07-25 Repeatable usable drawing rivet, and method of using same Active CN100587279C (en)

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Application Number Priority Date Filing Date Title
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CN100587279C CN100587279C (en) 2010-02-03

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506042A (en) * 2011-11-21 2012-06-20 南车眉山车辆有限公司 Connection method of shaft and flat plate, and U-shaped pulling rivet
CN102717020A (en) * 2012-06-15 2012-10-10 南车眉山车辆有限公司 Connecting method for shear-resistant and leakage-proof component and shear-resistant and leakage-proof pull rivet
CN107152448A (en) * 2017-06-19 2017-09-12 潘昊阳 A kind of shared bicycle pulling rivet bolt
CN110594261A (en) * 2019-09-27 2019-12-20 眉山中车紧固件科技有限公司 Long-neck short-tail rivet fastener and disassembling method thereof
CN114151432A (en) * 2021-11-25 2022-03-08 江苏虎克紧固系统科技有限公司 Anti-loosening riveting bolt and corresponding riveting tool

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102506042A (en) * 2011-11-21 2012-06-20 南车眉山车辆有限公司 Connection method of shaft and flat plate, and U-shaped pulling rivet
CN102717020A (en) * 2012-06-15 2012-10-10 南车眉山车辆有限公司 Connecting method for shear-resistant and leakage-proof component and shear-resistant and leakage-proof pull rivet
CN102717020B (en) * 2012-06-15 2015-04-01 眉山南车紧固件科技有限公司 Connecting method for shear-resistant and leakage-proof component and shear-resistant and leakage-proof pull rivet
CN107152448A (en) * 2017-06-19 2017-09-12 潘昊阳 A kind of shared bicycle pulling rivet bolt
CN110594261A (en) * 2019-09-27 2019-12-20 眉山中车紧固件科技有限公司 Long-neck short-tail rivet fastener and disassembling method thereof
CN114151432A (en) * 2021-11-25 2022-03-08 江苏虎克紧固系统科技有限公司 Anti-loosening riveting bolt and corresponding riveting tool
CN114151432B (en) * 2021-11-25 2024-01-09 江苏虎克紧固系统科技有限公司 Locking riveting bolt and corresponding riveting tool

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