CN102278345A - Expansion-type tension rivet - Google Patents
Expansion-type tension rivet Download PDFInfo
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- CN102278345A CN102278345A CN2011102120292A CN201110212029A CN102278345A CN 102278345 A CN102278345 A CN 102278345A CN 2011102120292 A CN2011102120292 A CN 2011102120292A CN 201110212029 A CN201110212029 A CN 201110212029A CN 102278345 A CN102278345 A CN 102278345A
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- nail
- hole
- head
- rivet
- core
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Abstract
The invention relates to an expansion-type tension rivet. The expansion-type tension rivet comprises a rivet body and a rivet core, and is characterized in that: a first hole is formed in the rivet; a rivet body head protrudes at one end of the rivet body; the external diameter of the rivet body head is greater than the external diameter of the rivet body; a second hole is formed in the rivet body head; the second hole is communicated with the first hole; the hole diameter of the second hole is smaller than the hole diameter of the first hole; a step is formed at the junction of the second hole and the first hole; the rivet core comprises a rivet core body and a rivet core head; the rivet core head protrudes at one end of the rivet core body; a cylinder is arranged at one end of the rivet core body and corresponding to the rivet core head; one end of the cylinder is connected with the rivet core head; the other end of the cylinder is connected with the rivet core body through a clamping part and a breaking part; and the other end of the rivet core body opposite to the end at which the rivet core head is arranged penetrates the first hole in the rivet body and the second hole in the rivet body head. The expansion-type tension rivet overcomes the difficulty that the common rivet cannot be expanded enough after riveting and can prevent the rivet from loosening and dropping off after vibration, so that riveting is firmer.
Description
Technical field
The present invention relates to a kind of rivet, especially a kind of intumescent pulling rivet that is used to rivet the fastening fields of needs such as Aero-Space, automobile motor-car, electronic apparatus, building decoration, machine-building.
Background technique
At present, mostly be on the product in fastening field to carry out fastening with common rivet and screw, because the narrow limitation on the self structure of this product, there is insufficient strength after fastening and easy loose or dislocation, thereby influence fastening effect, and product is single, can not applies mechanically, time-consuming, thus the quality and the performance of product integral body influenced.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of structure ingenious rational intumescent pulling rivet, avoid riveting the adverse consequences of back workpiece loose or dislocation, and riveting operation is simple and convenient, noise is low, purposes is wide.
According to technological scheme provided by the invention, described intumescent pulling rivet, comprise the nail body and be positioned at the nail core of following closely body, feature is: be provided with in the described nail body along following closely axon to first hole that distributes, an end of described nail body convexes with nail body head, and the external diameter of nail body head is greater than the external diameter of nail body, be provided with second hole in the nail body head, described second hole is connected with first hole, and the aperture in second hole is less than the aperture in first hole, and forms step in the connecting part in second hole and first hole; Described nail core comprises nail core body and the nail core head that is connected as a single entity with nail core body, described nail core head is convexly set in an end of nail core body, end corresponding to the nail core head on the described nail core body is provided with cylindrical body, a cylindrical end links to each other with the nail core head, and the cylindrical the other end links to each other by blocking portion, fracture portion and following closely the core body; Pass first hole of following closely in the body and second hole of following closely in the body head respectively corresponding to the other end that the nail core head is set on the described nail core body.
Described nail core head is cone shape, and the top of cone is connected with nail core body, and the cross sectional area of described nail core head is greater than the cross sectional area of nail core body.The angle of shaft section two buses of the nail body head of described cone shape is 60
The described portion of blocking is provided with two annular recess, described fracture portion be one to the recessed annular trough body of nail core body interior.The described external diameter that blocks the external diameter of portion greater than nail core body, the external diameter of described annular recess is greater than the external diameter of fracture portion.
The area of the cross section of described fracture portion is less than the area of nail core body cross-section.The shape of cross section of described fracture portion is set to annular.
On described nail core body, be provided with anti-slip tank corresponding to the other end that the nail core head is set.
Be provided with line ball corresponding to the other end that nail body head is set on described nail body, described line ball is four cutting edges that are symmetricly set on the nail body.
The present invention compared with prior art has the following advantages:
(1) because the present invention is deep into the line ball that four symmetries are set on the endoporus on four sides at the other end 1/3rd long outer walls of nail body head, thereby formed the uniform bending part of at least two groups, expansion cydariform foot during staking has solved the difficult problem of cydariform deficiency behind the general rivet;
(2) owing to be pulling rivet, need not refill screw after the riveted joint, and at nail body head aperture is set, the material that aperture is extruded after the staking is bumped in the garden ring of following closely between core head and the fracture, thereby can prevent loose or dislocation after vibrating, and rivets more firm;
(3) nail body of the present invention and nail core can adopt multiple made such as stainless steel, steel, aluminum alloy, copper, are fit to use on the different product.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of nail body of the present invention.
Fig. 3 is the structural representation of nail core of the present invention.
Fig. 4 is the structure sectional view of Fig. 1.
Fig. 5 is preceding phase diagram on workpiece for the present invention rivets.
Fig. 6 rivets the schematic representation of back on workpiece for the present invention.
Embodiment
The invention will be further described below in conjunction with concrete accompanying drawing.
As Fig. 1～shown in Figure 6: the intumescent pulling rivet comprises groove 1, nail body 2, nail core body 3, nail body head 4, first hole 5, line ball 6, fracture portion 7, anti-slip tank 8, nail core head 9, the 3rd hole 10, workpiece A11, workpiece B12, blocks portion 13, second hole 14, cylindrical body 15 etc.
As Fig. 1, shown in Figure 2, the present invention includes nail body 2 and be positioned at the nail core of following closely body 2, be provided with in the described nail body 2 along first hole 5 of nail body 2 axial distribution, one end of described nail body 2 convexes with nail body head 4, the outer surface of described nail body head 4 is an oblate spheroid, the nail body head 4 of this oblate spheroid is good-looking after riveted joint is finished, especially surperficial smoother, burr etc. can not appear, the external diameter of nail body head 4 is provided with second hole 14 greater than the external diameter of nail body 2 in the nail body head 4, and described second hole 14 is connected with first hole 5, the aperture in second hole 14 is less than the aperture in first hole 5, and forms step in the connecting part in second hole 14 and first hole 5;
As shown in Figure 3, Figure 4, described nail core comprises nail core body 3 and the nail core head 9 that is connected as a single entity with nail core body 3, for being stuck in the nail body 2, the nail core can not skid off, described nail core head 9 is convexly set in an end of nail core body 3, described nail core head 9 is cone shape, the top of cone is connected with nail core body 3, and the angle of cone shaft section two buses is 60 °, changes few resistance when being convenient to staking; The cross sectional area of described nail core head 9 is greater than the cross sectional area of nail core body 3, and the purpose of She Zhiing is like this, and when the riveted joint workpiece, the nail core can both obtain a good location with nail body 2;
As Fig. 3, shown in Figure 4, end corresponding to nail core head 9 on the described nail core body 3 is provided with cylindrical body 15, one end of cylindrical body 15 links to each other with nail core head 9, the other end of cylindrical body 15 is by blocking portion 13, fracture portion 7 links to each other with nail core body 3, the described portion 13 of blocking is provided with two annular recess 1, described fracture portion 7 be one to the inner recessed annular trough body of nail core body 3, the shape of cross section of described fracture portion 7 should be arranged to the shape that is easy to rupture, with the disconnection position of guaranteeing to follow closely core just at the position at fracture portion 7 places, usually, the area of fracture portion 7 cross sections is less than the area of nail core body 3 cross sections, in the present invention, the shape of cross section of fracture portion 7 is set to annular, the described external diameter that blocks the external diameter of portion 13 greater than nail core body 3, and the external diameter of described annular recess 1 is greater than the external diameter of fracture portion 7; Pass first hole 5 in the nail body 2 and second hole 14 in the nail body head 4 respectively corresponding to the other end that nail core head 9 is set on the nail core body 3, and be stuck and can not skid off;
As shown in Figure 3, Figure 4, be provided with anti-slip tank 8 corresponding to the other end that nail core head 9 is set on described nail core body 3, when staking, the riveting gun three-jaw can match with anti-slip tank 8, prevents that effectively the riveting gun three-jaw from sliding on nail core body 3, is convenient to the staking operation;
As shown in Figure 2, be provided with line ball 6 corresponding to the other end that nail body head 4 is set on described nail body 2, described line ball 6 is four cutting edges that are symmetricly set on the nail body 2, and when staking, described four cutting edges can be heaved the formation cydariform with 2 bendings of nail body.
Working procedure of the present invention: as shown in Figure 5, during riveted joint, at workpiece A11 to be riveted, work B12 goes up and makes a call to the 3rd hole 10, the present invention is inserted in the 3rd hole 10, the riveting gun three-jaw is caught anti-slip tank 8 positions on the nail body 3, under the staking effect of riveting gun, nail core head 9 compressing nail bodies 2, nail body 2 is because the four sides is provided with the line ball of four symmetries, and the expanded drum of stressed bending becomes drum type, thereby two workpiece are firmly compressed pinning, and the annular groove 1 that on the nail core, is provided with, be bumped in the groove 1 through the material of staking on second hole 14 of nail on the body 2, as see shown in Figure 6ly, it is in conjunction with closely, come off never, shockproof, thus can guarantee to rivet firmly between the present invention and two workpiece, loosening.
Nail body of the present invention and nail core can adopt multiple made such as stainless steel, steel, aluminum alloy, copper, are fit to use on the different product, and riveted joint is firm, and noise is low.
Claims (9)
1. intumescent pulling rivet, comprise nail body (2) and be positioned at the nail core of following closely body (2), it is characterized in that: be provided with in the described nail body (2) along first hole (5) of nail body (2) axial distribution, one end of described nail body (2) convexes with nail body head (4), the external diameter of nail body head (4) is greater than the external diameter of nail body (2), be provided with second hole (14) in the nail body head (4), described second hole (14) is connected with first hole (5), the aperture in second hole (14) is less than the aperture of first hole (5), and forms step in the connecting part in second hole (14) and first hole (5); Described nail core comprises nail core body (3) and the nail core head (9) that is connected as a single entity with nail core body (3), described nail core head (9) is convexly set in an end of nail core body (3), the end that described nail core body (3) is gone up corresponding to nail core head (9) is provided with cylindrical body (15), one end of cylindrical body (15) links to each other with nail core head (9), and the other end of cylindrical body (15) links to each other by blocking portion (13), fracture portion (7) and following closely core body (3); Described nail core body (3) is gone up corresponding to the other end that nail core head (9) is set and is passed second hole (14) of following closely in interior first hole (5) of body (2) and the nail body head (4) respectively.
2. intumescent pulling rivet as claimed in claim 1 is characterized in that: described nail core head (9) is cone shape, and the top of cone is connected with nail core body (3), and the cross sectional area of described nail core head (9) is greater than the cross sectional area of nail core body (3).
3. intumescent pulling rivet as claimed in claim 2 is characterized in that: the angle of shaft section two buses of the nail body head (9) of described cone shape is 60 °.
4. intumescent pulling rivet as claimed in claim 1 is characterized in that: the described portion (13) of blocking is provided with two annular recess (1), described fracture portion (7) be one to the inner recessed annular trough body of nail core body (3).
5. intumescent pulling rivet as claimed in claim 4 is characterized in that: the described external diameter that blocks the external diameter of portion (13) greater than nail core body (3), the external diameter of described annular recess (1) is greater than the external diameter of fracture portion (7).
6. intumescent pulling rivet as claimed in claim 1 is characterized in that: the area of the cross section of described fracture portion (7) is less than the area of nail core body (3) cross section.
7. intumescent pulling rivet as claimed in claim 6 is characterized in that: the shape of cross section of described fracture portion (7) is set to annular.
8. intumescent pulling rivet as claimed in claim 1 is characterized in that: go up corresponding to the other end that nail core head (9) is set at described nail core body (3) and be provided with anti-slip tank (8).
9. intumescent pulling rivet as claimed in claim 1 is characterized in that: go up corresponding to the other end that nail body head (4) is set at described nail body (2) and be provided with line ball (6), described line ball (6) is four cutting edges that are symmetricly set on the nail body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102120292A CN102278345A (en) | 2011-07-27 | 2011-07-27 | Expansion-type tension rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102120292A CN102278345A (en) | 2011-07-27 | 2011-07-27 | Expansion-type tension rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102278345A true CN102278345A (en) | 2011-12-14 |
Family
ID=45103987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102120292A Pending CN102278345A (en) | 2011-07-27 | 2011-07-27 | Expansion-type tension rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102278345A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075407A (en) * | 2013-01-09 | 2013-05-01 | 合肥工业大学 | Bracing type single-edge bolt fastener |
| CN104736860A (en) * | 2012-10-31 | 2015-06-24 | 纽弗雷公司 | Blind rivet and sealing structure using same |
| CN105257652A (en) * | 2015-11-02 | 2016-01-20 | 无锡安士达五金有限公司 | Reverse explosionproof rivet |
| CN107714119A (en) * | 2017-11-03 | 2018-02-23 | 运怡（北京）医疗器械有限公司 | A kind of interference screw inversely installed |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047181A (en) * | 1956-02-28 | 1962-07-31 | Hans Georg Biermann | Rivet combination |
| WO2001018408A1 (en) * | 1999-09-10 | 2001-03-15 | Huck International, Inc. | Hole filling rivet with high pin lock |
| JP2001311413A (en) * | 2000-04-28 | 2001-11-09 | Daiichi Kogyo Co Ltd | Removable tubular rivet and its usage |
| JP2002303310A (en) * | 2001-04-06 | 2002-10-18 | Takeshi Kita | Blind rivet |
| CN2611662Y (en) * | 2003-04-23 | 2004-04-14 | 上海剑安金属制品有限公司 | Legging rivet |
| KR20050111832A (en) * | 2004-05-24 | 2005-11-29 | 도재복 | Water proof rivet |
| CN202158049U (en) * | 2011-07-27 | 2012-03-07 | 无锡安士达五金有限公司 | Expansion pull rivet |
-
2011
- 2011-07-27 CN CN2011102120292A patent/CN102278345A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047181A (en) * | 1956-02-28 | 1962-07-31 | Hans Georg Biermann | Rivet combination |
| WO2001018408A1 (en) * | 1999-09-10 | 2001-03-15 | Huck International, Inc. | Hole filling rivet with high pin lock |
| JP2001311413A (en) * | 2000-04-28 | 2001-11-09 | Daiichi Kogyo Co Ltd | Removable tubular rivet and its usage |
| JP2002303310A (en) * | 2001-04-06 | 2002-10-18 | Takeshi Kita | Blind rivet |
| CN2611662Y (en) * | 2003-04-23 | 2004-04-14 | 上海剑安金属制品有限公司 | Legging rivet |
| KR20050111832A (en) * | 2004-05-24 | 2005-11-29 | 도재복 | Water proof rivet |
| CN202158049U (en) * | 2011-07-27 | 2012-03-07 | 无锡安士达五金有限公司 | Expansion pull rivet |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104736860A (en) * | 2012-10-31 | 2015-06-24 | 纽弗雷公司 | Blind rivet and sealing structure using same |
| CN103075407A (en) * | 2013-01-09 | 2013-05-01 | 合肥工业大学 | Bracing type single-edge bolt fastener |
| CN105257652A (en) * | 2015-11-02 | 2016-01-20 | 无锡安士达五金有限公司 | Reverse explosionproof rivet |
| CN107714119A (en) * | 2017-11-03 | 2018-02-23 | 运怡（北京）医疗器械有限公司 | A kind of interference screw inversely installed |
| CN107714119B (en) * | 2017-11-03 | 2024-05-03 | 运怡（北京）医疗器械有限公司 | Interface screw of reverse installation |
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Application publication date: 20111214 |