CN201318365Y - Short-tail pulling rivet - Google Patents
Short-tail pulling rivet Download PDFInfo
- Publication number
- CN201318365Y CN201318365Y CNU2008200651248U CN200820065124U CN201318365Y CN 201318365 Y CN201318365 Y CN 201318365Y CN U2008200651248 U CNU2008200651248 U CN U2008200651248U CN 200820065124 U CN200820065124 U CN 200820065124U CN 201318365 Y CN201318365 Y CN 201318365Y
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- riveting
- section
- rivet
- collar
- annular groove
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- Expired - Lifetime
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Abstract
A short-tail pulling rivet belongs to a novel fastening piece. The pulling rivet consists of a rivet head, a rivet rod and a sleeve ring. A rivet rod is provided with a polished rod section, a ring-groove section or a screw-thread section matched with the sleeve ring in a pressing manner, and a short and thin ring-groove section clamped by a clamp head of a riveting device. Compared with the prior pulling rivet, the short-tail pulling rivet has the advantages that a separation groove at the tail end and a pulling rod at the ring-groove section are removed, so that the rivet rod is shortened and the materials are saved by one third; the tensile breaking of the separation groove can not be caused in the riveting, the riveting steps are reduced from four steps to three steps, and the riveting speed is fast; and the riveting has no impact and the installation does not generate noises. Furthermore, if the same riveting device and the riveting device travel are adopted, the length of the ring-groove section or the screw-thread section can be correspondingly increased, so that the rivets with the same specification can be applied to various riveting thickness and the application range can be expanded; a small section of screw threads is formed at the tail end of the inner hole of the sleeve ring for the screw-thread riveting and used for the forward moving, the sheathing and the positioning of the sleeve ring on the screw-thread section, and the sleeve ring is rotated by the hands before the riveting device is started, so that an operator operating the riveting device in the flowing procedure does not need to hold the sleeve ring, and the riveting is convenient; and the screw-thread riveting or the ring-groove riveting can be chosen according to applied occasions.
Description
(1) technical field:
The utility model relates to a kind of novel pulling rivet, belongs 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 range estimation 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.
(ZL200520035325X) there is following deficiency in above-mentioned but ' pulling rivet ': i. annular groove section 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.Ii. the process of riveting is because of breaking separating vessel, and voice is bigger than normal during installation.Iii. after the riveted joint, the drawing rod of separating vessel rear end is all lost, and waste of material is bigger.
Chinese patent application disclosed ' repeatable usable drawing rivet and using method ' (application number 200710049607.9) compares with documents 1, has deleted the long drawing rod in separating vessel and rear end, and it is little with the installation noise to save material.But there are the following problems for this pulling rivet: 1. staking ailing bar tail end is a thread section, must with the supporting use of rotation riveting machine of special use, and rotation riveting machine structure and system complex, not only establish conventional hydraulic pressure, automatical control system, and set up pneumatic and corresponding electric controller, body weight is big, operation inconvenience.Only be used for the reusable occasion of needs thus, and be difficult to be widely used in various occasions.2. and between the annular groove section of collar extruding and the tail end thread section need that because of processing changeover portion must be arranged, changeover portion has a certain amount of influence to quality of product.3. the repeatable usable drawing rivet riveted joint time is longer.Develop more optimization and the bigger novel pulling rivet of Applicable scope brings into schedule for this reason.
(3) summary of the invention:
The Bobtail tension rivet that the utility model provides, its purpose just provide a kind of pulling rivet can satisfy the demand that this firmly connects, and can realize that again material is saved, riveted joint is convenient, speed is fast.Adopt two kinds of patterns ' Bobtail tension rivet ' in its technological scheme: a kind of is described ' circular groove riveting ', and another kind is described ' screw thread riveted joint '.Be described below respectively:
Bobtail tension rivet (' circular groove riveting ') is made up of ailhead, nail bar and the collar, it is characterized in that: 1. follow closely bar and be made up of the polished rod section that is provided with in turn from the front end to the rear end, the annular groove section that cooperates with collar extruding and the thin annular groove section of weak point of rear end; 2. lack the length L of thin annular groove section
2.3Span is 11.1-14.8mm, corresponding label diameter D
2.3Span 11.6-20.0.
To above-mentioned ' circular groove riveting ' Bobtail tension rivet, be 12,14,16 at nail pole brand diameter D, in four kinds of specifications of 20mm, at various grip Δ mm, the polished rod segment length L of selected correspondence
2.1, polished rod section L
2.1With annular groove segment length sum L
2.1+ L
2.2Value be respectively a group of sequence number 1～4 in the table 1, promptly value is sequence number 1 or 2 or 3 or 4 a numerical value in the table 1.Table 1 (millimeter)
Bobtail tension rivet (' screw thread riveted joint ') is made up of ailhead, nail bar and the collar, it is characterized in that:
1. following closely bar is made up of the polished rod section that is provided with in turn from the front end to the rear end, the thread section that cooperates with collar extruding and the thin annular groove section of weak point of rear end; 2. lack the length L of thin annular groove section
2.3Span is 11.1-14.8mm, corresponding label diameter D
2.3Span 11.6-20.0mm.3. collar endoporus is provided with and cooperates the screw thread segment less than a circle that makes collar rotation reach with thread section.Here adopt with the collar and push the thread section that is that cooperates, be ' screw thread riveted joint '.
To above-mentioned ' screw thread riveted joint ' Bobtail tension rivet, be 12,14,16 at nail pole brand diameter D, in four kinds of specifications of 20mm, at various grip Δ, the polished rod segment length L of selected correspondence
2.1, polished rod section L
2.1With thread section length sum L
2.1+ L
2.2Value be respectively a group of sequence number 1～4 in the table 1, promptly value is sequence number 1 or 2 or 3 or 4 a numerical value in the table 1.
Above-mentioned two kinds of Bobtail tension rivet ailheads all can adopt the above-mentioned collar of coiled hair, round end or countersunk head the place ahead to be disk, and the disk ear end face is equipped with Check point.
The clinching method of above-mentioned ' circular groove riveting ' Bobtail tension rivet comprises the steps:
I. will follow closely bar and pass two articles, the collar will be enclosed within outside the annular groove section by company; Be enabled in the riveting machine at nail bar rear, the reach of riveting machine chuck clamps short thin annular groove section;
Ii. riveting machine joiner head moves forward, and the collar is squeezed in outside the annular groove section;
Iii. move behind the riveting machine joiner head, break away from the collar; The riveting machine chuck unclamps and breaks away from short thin annular groove section; Riveting machine unloads, and riveted joint is finished.
The clinching method of above-mentioned ' screw thread riveted joint ' Bobtail tension rivet comprises the steps:
(i) first step: will follow closely bar and pass and connected two articles, collar front end will be hung over outside the termination, thread section rear end, and rotate by hand the collar under the effect of screw thread segment relatively thread section move forward to body surface; Second step: be enabled in the riveting machine at nail bar rear, the reach of riveting machine chuck clamps short stria section;
(ii) riveting machine joiner head moves forward, and the collar is squeezed in outside the thread section;
(iii) move behind the riveting machine joiner head, break away from the collar; Chuck unclamps and breaks away from short uranium annular groove section; Riveting machine unloads, and riveted joint is finished.
The utility model beneficial effect:
' circular groove riveting ' Bobtail tension rivet: removed original separating vessel and rear end nail bar on the i. structure, the nail bar shortens, and the ring-grooved rivet material saves 1/3.Ii. the riveted joint mode changes, and no longer breaks separating vessel, and riveting pressure reduces, and the riveted joint process does not have impact, and it is good that installation ground riveted joint process does not have the voice environmental protection.Iii. riveting machine is no longer broken separating vessel, and the riveted joint step reduces by a step, and riveted joint speed is fast.Iv. follow closely bar and remove back segment, if still adopt former documents 1 used identical riveting machine, the riveting machine stroke remains unchanged, because of the nail bar shortens, then riveting machine joiner head moves length forward and can extend, and then designs corresponding lengthening of annular groove segment length (or screw thread segment length) (the polished rod section can shorten, and sees Table 1), the same specification rivet can be used for multiple grip thus, and Applicable scope enlarges.V. ' circular groove riveting ' Bobtail tension rivet is compared with documents 1, has 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.
' screw thread riveted joint ' Bobtail tension rivet: except that having the above-mentioned beneficial effect i identical with ' circular groove riveting ' Bobtail tension rivet, ii, iii, beyond the iv, also have following beneficial effect: labor intensity of operating staff is little when 1. riveting, riveted joint is convenient: before the riveting machine action, operator rotate the collar and utilize under the interior minor thread effect of the collar, with the have gentle hands pine the relative thread section rotation of the collar is moved forward to the body surface place, and the collar is fastened the location and can not moved by the radial-axial heavy curtain, and then carry out step (i) mat woven of fine bamboo strips two step at next step start-up operation riveting machine, in the time of (ii) and (iii), operator needn't use simultaneously hand steered the collar again, and the process of riveting thus is easy and convenient.2. ' screw thread riveted joint ' join strength also is much higher than plain screw, can use in the occasion that is fit to.
(4) description of drawings:
Fig. 1 embodiment 1 ' circular groove riveting ' Bobtail tension rivet ailhead 1 and nail bar 2A single-piece figure
Fig. 2 embodiment 1 collar 3A sectional view
Fig. 3 Fig. 2 K is to view (also being that Fig. 8 K is to view)
Fig. 4 embodiment 1 riveted joint mat woven of fine bamboo strips i step diagram
Fig. 5 embodiment 1 riveted joint mat woven of fine bamboo strips ii step diagram
Fig. 6 embodiment 1 riveted joint mat woven of fine bamboo strips iii step (riveted joint is finished) diagram
Fig. 7 embodiment 2 ' screw thread riveted joint ' Bobtail tension rivet ailhead 1 and nail bar 2B single-piece figure
Fig. 8 embodiment 2 collar 3B sectional views
One step of mat woven of fine bamboo strips diagram in Fig. 9 embodiment 2 riveted joint mat woven of fine bamboo strips (i) steps
Two step of mat woven of fine bamboo strips diagram in Figure 10 embodiment 2 riveted joint mat woven of fine bamboo strips (i) steps
Figure 11 embodiment 2 riveted joint mat woven of fine bamboo strips are the step diagram (ii)
Figure 12 embodiment 2 riveted joint mat woven of fine bamboo strips are step (riveted joint is finished) diagram (iii)
(5) embodiment:
Embodiment 1: see Fig. 1-Fig. 6,
See Fig. 1, the Bobtail tension rivet of ' circular groove riveting ', nail bar 2A is made up of polished rod section 2.1, annular groove section 2.2A and short thin annular groove section 2.3.Generally need, between polished rod section 2.1 and annular groove section 2.2A the processing changeover portion is arranged by processing; Between annular groove section 2.2A and the short thin annular groove section 2.3 the processing changeover portion is arranged.The length L of short thin annular groove section 2.3
2.3Span is 11.1-14.8mm, corresponding label diameter D
2.3Span 11.6-20.0mm, the length L of short thin annular groove section 2.3 usually
2.3With diameter D
2.3The structure of choosing pulling force by riveting machine 6, chuck 6.1 and design such as size.
See Fig. 2-Fig. 3, collar 3A endoporus is a unthreaded hole, and collar 3A size matches with annular groove section 2.2A, with existing identical.Collar 3A front end is disk 3A
1, the disk ear end face is provided with Check point 3A
2, be the point of a plurality of outstanding disk ear end faces, after 6.2 reaches of riveting machine joiner head put in place and finish riveted joint, riveting machine was run into Check point 3A
2, make its distortion be convenient to detect riveting quality.
See Fig. 1, Fig. 4, ailhead 1 can adopt coiled hair 1a (seeing Fig. 1 solid line); Perhaps adopt round end 1b (seeing Fig. 1 dotted line); Or employing countersunk head 1c (seeing Fig. 4 dotted line).
See Table 1, present embodiment 1 choosing nail bar 2A label diameter D is 12mm.Polished rod segment length L
2.1Elect 3.8mm as; Polished rod section 2.1 and annular groove section 2.2A length sum L
2.1+ L
2.2Elect 34.2mm as, riveted two articles 4 and 5 total thickness Δ scopes, 5～15mm, average value is 10mm.The ratio of varied in thickness scope is 0.5～1.5 times (5/10～15/10).Existing documents 1 ' pulling rivet ' (ZL200520035325X) the long rivet length of same specification is chosen as follows: D is 12mm, polished rod segment length L
2.1Elect 12.1～19.1mm as; Polished rod section and annular groove section 2.2A length sum L
2.1+ L
2.2Elect 37.2mm as, rivet two articles 4 and 5 total thickness Δ scopes are 12.1～19.1mm, on average value is 15.6mm, the ratio of varied in thickness scope be 0.77～1.22 times (12.1/15.6=0.77,19.1/15.6=1.22).Embodiment 1 relatively can draw thus: the long L of the utility model nail bar
2.1+ L
2.2=34.2 comparisons are than the L of file 1
2.1+ L
2.2=37.2 shorten, but the ratio of grip excursion increases 0.5～1.5＞0.77～1.22.This also is the concrete numeral explanation of the utility model beneficial effect iv.
See Fig. 4-Fig. 6, the clinching method of ' circular groove riveting ' Bobtail tension rivet comprises the steps:
I. see Fig. 4, will follow closely bar 2A and pass two articles 4 and 5, collar 3A is enclosed within outside the annular groove section 2.2A by company; Be enabled in the riveting machine 6 at nail bar rear, 6.1 reaches of riveting machine chuck clamp short thin annular groove section 2.3;
Ii. see Fig. 5, riveting machine joiner head 6.2 is squeezed in collar 3A outside the annular groove section 2.2A to reach;
Iii. see Fig. 6, move behind the riveting machine joiner head 6.2, break away from the collar; Riveting machine chuck 6.1 unclamps and breaks away from short thin annular groove section 2.3; Riveting machine unloads, and riveted joint is finished.
Embodiment 2: see Fig. 7-Figure 12 ' screw thread riveted joint ' Bobtail tension rivet.
See Fig. 7, present embodiment 2 nail bar 2B structures relatively have following different with embodiment 1 Fig. 1: substitute annular groove section 2.2A with thread section 2.2B.All the other ailheads, polished rod section 2.1 and short thin annular groove section 2.3 etc. are all identical.
See Fig. 8, present embodiment 2 collar 3B structures relatively have following different with embodiment 1 Fig. 2: collar 3B endoporus rear port place establishes screw thread segment 3B
3Collar 3B front end has the disk 3B identical with embodiment 1
1 Check point 3B with the disk ear end face
2
The riveted joint step of ' screw thread riveted joint ' Bobtail tension rivet is seen Fig. 9, Figure 10, Figure 11 and Figure 12, wherein (ii) (iii) riveted joint mat woven of fine bamboo strips i step, riveted joint mat woven of fine bamboo strips ii step and to rivet mat woven of fine bamboo strips iii step identical among step and the embodiment 1 of step and the riveted joint mat woven of fine bamboo strips of two steps of the mat woven of fine bamboo strips in the riveted joint mat woven of fine bamboo strips (i) step that Figure 10, Figure 11 and Figure 12 are corresponding respectively, the riveted joint mat woven of fine bamboo strips.
Embodiment 2 increases by one step of the mat woven of fine bamboo strips (see figure 9) in the riveted joint mat woven of fine bamboo strips (i) step as different from Example 1: will follow closely bar 2B and pass the two articles 4 and 5 by company, and collar 3B front end be hung over outside the termination, thread section 2.2B rear end, and rotate collar 3B by hand at screw thread segment 3B
3Effect relative thread section 2.2B down moves forward to object 5 surfaces.
Claims (6)
1. Bobtail tension rivet is made up of ailhead (1), nail bar (2A) and the collar (3A), it is characterized in that:
1. following closely bar (2A) is made up of the polished rod section (2.1) that is provided with in turn from the front end to the rear end, the annular groove section (2.2A) that cooperates with the collar (3A) extruding and the thin annular groove section of weak point (2.3) of rear end;
2. lack the length L of thin annular groove section (2.3)
2.3Span is 11.1-14.8mm, corresponding label diameter D
2.3Span is 11.6-20.0mm.
2. by the described pulling rivet of claim 1, it is characterized in that being 12,14,16, in four kinds of specifications of 20mm at nail pole brand diameter D, at various grip Δ mm, the polished rod segment length L of selected correspondence
2.1, polished rod section (2.1) and annular groove section (2.2A) length sum L
2.1+ L
2.2Value be respectively a group of sequence number 1～4 in the table 1, promptly value is sequence number 1 or 2 or 3 or 4 a numerical value in the table 1.Table 1 (millimeter)
3. Bobtail tension rivet is made up of ailhead (1), nail bar (2B) and the collar (3B), it is characterized in that:
1. following closely bar (2B) is made up of the polished rod section (2.1) that is provided with in turn from the front end to the rear end, the thread section (2.2B) that cooperates with the collar (3B) extruding and the thin annular groove section of weak point (2.3) of rear end;
2. lack the length L of thin annular groove section (2.3)
2.3Span is 11.1-14.8mm, corresponding label diameter D
2.3Span 11.6-20.0mm;
3. the collar (3B) endoporus rear end is provided with to cooperate with thread section (2.2B) and makes the collar (3B) can rotate the screw thread segment (3B3) less than a circle of reach.
4. by the described pulling rivet of claim 3, it is characterized in that being 12,14,16, in four kinds of specifications of 20mm at nail pole brand diameter D, at various grip Δ mm, the polished rod segment length L of selected correspondence
2.1, polished rod section (2.1) and thread section (2.2B) length sum L
2.1+ L
2.2Value be respectively a group of sequence number 1～4 in the table 1, promptly value is sequence number 1 or 2 or 3 or 4 a numerical value in the table 1.
5. by claim 1 or 3 described pulling rivets, it is characterized in that ailhead (1) is coiled hair (1a), round end (1b) or countersunk head (1c).
6. by claim 1 or 3 described Bobtail tension rivets, it is characterized in that the collar (3A, 3B) the place ahead is disk (3A
1, 3B
1), the disk ear end face is provided with Check point (3A
2, 3B
2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200651248U CN201318365Y (en) | 2008-09-12 | 2008-09-12 | Short-tail pulling rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200651248U CN201318365Y (en) | 2008-09-12 | 2008-09-12 | Short-tail pulling rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201318365Y true CN201318365Y (en) | 2009-09-30 |
Family
ID=41197130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200651248U Expired - Lifetime CN201318365Y (en) | 2008-09-12 | 2008-09-12 | Short-tail pulling rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201318365Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131373A (en) * | 2018-02-08 | 2018-06-08 | 张丽 | A kind of application method of short-tail staking fastening kit, dismantling device and dismantling device |
| US10309436B2 (en) | 2016-08-08 | 2019-06-04 | Meishan Crrc Fastening System Co., Ltd. | Single-groove and short-tail pulling rivet and erection method thereof |
-
2008
- 2008-09-12 CN CNU2008200651248U patent/CN201318365Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10309436B2 (en) | 2016-08-08 | 2019-06-04 | Meishan Crrc Fastening System Co., Ltd. | Single-groove and short-tail pulling rivet and erection method thereof |
| CN108131373A (en) * | 2018-02-08 | 2018-06-08 | 张丽 | A kind of application method of short-tail staking fastening kit, dismantling device and dismantling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MEISHAN CSR FASTENER SCIENCE+TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NANCHE MEISHAN ROLLING STOCK CO., LTD. Effective date: 20131216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131216 Address after: 620032, No. two, 821, Science Park, Dongpo District, Sichuan, Meishan Patentee after: Meishan CSR Fastener Science&technology Co., Ltd. Address before: 620032 technical center of CSR Meishan Vehicle Co., Ltd., Sichuan, Meishan Patentee before: Nanche Meishan Rolling Stock Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 620032, No. two, 821, Science Park, Dongpo District, Sichuan, Meishan Patentee after: Meishan Zhongche fastener Technology Co. Ltd. Address before: 620032, No. two, 821, Science Park, Dongpo District, Sichuan, Meishan Patentee before: Meishan CSR Fastener Science&technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |