CN202158049U - Expansion pull rivet - Google Patents
Expansion pull rivet Download PDFInfo
- Publication number
- CN202158049U CN202158049U CN2011202688643U CN201120268864U CN202158049U CN 202158049 U CN202158049 U CN 202158049U CN 2011202688643 U CN2011202688643 U CN 2011202688643U CN 201120268864 U CN201120268864 U CN 201120268864U CN 202158049 U CN202158049 U CN 202158049U
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- China
- Prior art keywords
- nail
- head
- hole
- rivet
- core
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an expansion pull rivet, which comprises a rivet body and a rivet core and is characterized in that: a first hole is disposed in the rivet body; one end of the rivet body is provided with a rivet body head in a projecting way, and the outer diameter of the rivet body head is greater than that of the rivet body; a second hole is disposed in the rivet body head and is communicated with the first hole, and the aperture of the second hole is smaller than that of the first hole; and a step is formed on a junction of the second hole with the first hole. The rivet core comprises a rivet core body and a rivet core head; the rivet core head is disposed at one end of the rivet core body in a projecting way; one end of the rivet core body corresponding to the rivet core head is provided with a cylinder; one end of the cylinder is connected with the rivet core head, while the other end thereof is connected with the rivet core body through a clamping part and a breaking part; and the other end of the rivet core body corresponding to the rivet core head is provided with a first hole in the rivet body and a second hole in the rivet body head. The difficult problem that a drum shape is insufficient after general rivets are riveted is solved; and the rivets can be prevented being loosened and dropped due to vibration and can be riveted more firmly.
Description
Technical field
The utility model 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, be mostly on the product in fastening field to carry out with common rivet and screw fastening since the self structure of this product on narrow limitation; 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 product whole quality and performance influenced.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the existing technology, provides 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, and noise is low, purposes is wide.
According to the technological scheme that the utility model provides, said intumescent pulling rivet comprises the nail body and is positioned at the nail core of following closely body; Characteristic is: be provided with in the said nail body along following closely axon to first hole that distributes, an end of said 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; Said 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; Said nail core comprises nail core body and the nail core head that is connected as a single entity with nail core body; Said nail core head is convexly set in an end of nail core body; End corresponding to the nail core head on the said 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 through blocking portion, fracture portion and following closely the core body; Pass first hole and second hole of following closely in the body head in the nail body respectively corresponding to the other end that the nail core head is set on the said nail core body.
Said nail core head is cone shape, and the top of cone is connected with nail core body, and the cross sectional area of said 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 said cone shape is 60 °.
The said portion of blocking is provided with two annular recess, said fracture portion be one to the recessed annular trough body of nail core body interior.The said external diameter that blocks the external diameter of portion greater than nail core body, the external diameter of said annular recess is greater than the external diameter of fracture portion.
The area of the cross section of said fracture portion is less than the area of nail core body cross-section.The shape of cross section of said fracture portion is set to annular.
On said nail core body, be provided with anti-slip tank corresponding to the other end that the nail core head is set.
On said nail body, be provided with line ball corresponding to the other end that nail body head is set, said line ball is four cutting edges that are symmetricly set on the nail body.
The utility model compared with prior art has the following advantages:
(1) because the utility model 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 not enough difficult problem of cydariform 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 between nail core head and the fracture, thereby can prevent loose or dislocation after vibrating, and rivets more firm;
(3) the nail body of the utility model can adopt multiple material manufacture such as stainless steel, steel, aluminum alloy, copper with the nail core, is fit to use on the different product.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the nail body of the utility model.
Fig. 3 is the structural representation of the nail core of the utility model.
Fig. 4 is the structure sectional view of Fig. 1.
Fig. 5 is the preceding phase diagram on workpiece of the utility model riveted joint.
Fig. 6 is the schematic representation of the utility model riveted joint back on workpiece.
Embodiment
Below in conjunction with concrete accompanying drawing the utility model is described further.
Like 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, block portion 13, second hole 14, cylindrical body 15 etc.
Like Fig. 1, shown in Figure 2, the utility model comprises nail body 2 and is positioned at the nail core of nail body 2, is provided with in the said nail body 2 along first hole 5 of nail body 2 axial distribution; One end of said nail body 2 convexes with nail body head 4, and the outer surface of said nail body head 4 is an oblate spheroid, and the nail body head 4 of this oblate spheroid is good-looking after riveted joint is accomplished; Especially surperficial smoother burr etc. can not occur, and 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; Said second hole 14 is connected with first hole 5, and 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;
Like Fig. 3, shown in Figure 4; Said 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, can not skid off for the nail core is stuck in the nail body 2, and said nail core head 9 is convexly set in an end of nail core body 3; Said 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 said nail core head 9 is greater than the cross sectional area of nail core body 3, and the purpose that is provided with like this is that when the riveted joint workpiece, the nail core can both obtain a good location with nail body 2;
Like Fig. 3, shown in Figure 4, the end corresponding to nail core head 9 on the said nail core body 3 is provided with cylindrical body 15, and an end of cylindrical body 15 links to each other with nail core head 9; The other end of cylindrical body 15 is through blocking portion 13, fracture portion 7 and nail core body 3 links to each other, and the said portion 13 of blocking is provided with two annular recess 1, said fracture portion 7 be one to the recessed annular trough body in nail core body 3 inside; The shape of cross section of said fracture portion 7 should be arranged to the shape that is easy to rupture; 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 with the disconnection position of guaranteeing to follow closely core; In the utility model; The shape of cross section of fracture portion 7 is set to annular, the said external diameter that blocks the external diameter of portion 13 greater than nail core body 3, and the external diameter of said annular recess 1 is greater than the external diameter of fracture portion 7; Pass second hole 14 in first hole 5 and the nail body head 4 in the nail body 2 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;
Like Fig. 3, shown in Figure 4, on said nail core body 3, be provided with anti-slip tank 8 corresponding to the other end that nail core head 9 is set, 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, on said nail body 2, be provided with line ball 6 corresponding to the other end that nail body head 4 is set, said line ball 6 is four cutting edges that are symmetricly set on the nail body 2, when staking, said four cutting edges can be heaved the formation cydariform with 2 bendings of nail body.
The working procedure of the utility model: as shown in Figure 5, during riveted joint, on workpiece A11 to be riveted, work B12, make a call to the 3rd hole 10; The utility model is inserted in the 3rd hole 10, and 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 firmly compress pinning to two workpiece, and the annular groove 1 that on the nail core, is provided with, the material on second hole 14 of staking on nail body 2 is bumped in the groove 1; As see shown in Figure 6ly, it combines closely to come off never; Shockproof, thus can guarantee to rivet firmly between the utility model and two workpiece, loosening.
The nail body of the utility model can adopt multiple material manufacture such as stainless steel, steel, aluminum alloy, copper with the nail core, is 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 said nail body (2) along first hole (5) of nail body (2) axial distribution, an end of said nail body (2) convexes with nail body head (4), and 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); Said second hole (14) is connected with first hole (5), and the aperture of 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); Said 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); Said nail core head (9) is convexly set in an end of nail core body (3); The end that said 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 through blocking portion (13), fracture portion (7) and following closely core body (3); Said nail core body (3) is gone up corresponding to the other end that nail core head (9) is set and is passed first hole (5) in the nail body (2) respectively and follow closely second hole (14) in the body head (4).
2. intumescent pulling rivet as claimed in claim 1; It is characterized in that: said nail core head (9) is cone shape; The top of cone is connected with nail core body (3), and the cross sectional area of said 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 said cone shape is 60 °.
4. intumescent pulling rivet as claimed in claim 1 is characterized in that: the said portion (13) of blocking is provided with two annular recess (1), said 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 said external diameter that blocks the external diameter of portion (13) greater than nail core body (3), the external diameter of said 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 said 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 said 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 said 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 said nail body (2) and be provided with line ball (6), said 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 |
|---|---|---|---|
| CN2011202688643U CN202158049U (en) | 2011-07-27 | 2011-07-27 | Expansion pull rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202688643U CN202158049U (en) | 2011-07-27 | 2011-07-27 | Expansion pull rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158049U true CN202158049U (en) | 2012-03-07 |
Family
ID=45765689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202688643U Expired - Fee Related CN202158049U (en) | 2011-07-27 | 2011-07-27 | Expansion pull rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158049U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278345A (en) * | 2011-07-27 | 2011-12-14 | 无锡安士达五金有限公司 | Expansion-type tension 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 |
| CN103836043A (en) * | 2014-01-20 | 2014-06-04 | 无锡安士达五金有限公司 | Special-shaped polygonal self-plugging rivet |
| CN104776093A (en) * | 2015-04-18 | 2015-07-15 | 金丽秋 | Furniture board connecting rod structure for intelligent furniture |
| CN105351319A (en) * | 2015-12-04 | 2016-02-24 | 航天精工股份有限公司 | Pull rivet type self-plugging rivet |
| CN105864257A (en) * | 2016-06-17 | 2016-08-17 | 无锡安士达五金有限公司 | Flooring rivet |
| JP2017082564A (en) * | 2015-10-30 | 2017-05-18 | Toto株式会社 | Fixing method of inorganic plate and jig therefor |
| CN106968247A (en) * | 2017-05-17 | 2017-07-21 | 洛阳理工学院 | One kind expansion breaks formula recoverable anchor rod and its construction method |
-
2011
- 2011-07-27 CN CN2011202688643U patent/CN202158049U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278345A (en) * | 2011-07-27 | 2011-12-14 | 无锡安士达五金有限公司 | Expansion-type tension 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 |
| CN103836043A (en) * | 2014-01-20 | 2014-06-04 | 无锡安士达五金有限公司 | Special-shaped polygonal self-plugging rivet |
| CN104776093A (en) * | 2015-04-18 | 2015-07-15 | 金丽秋 | Furniture board connecting rod structure for intelligent furniture |
| JP2017082564A (en) * | 2015-10-30 | 2017-05-18 | Toto株式会社 | Fixing method of inorganic plate and jig therefor |
| CN105351319A (en) * | 2015-12-04 | 2016-02-24 | 航天精工股份有限公司 | Pull rivet type self-plugging rivet |
| CN105864257A (en) * | 2016-06-17 | 2016-08-17 | 无锡安士达五金有限公司 | Flooring rivet |
| CN106968247A (en) * | 2017-05-17 | 2017-07-21 | 洛阳理工学院 | One kind expansion breaks formula recoverable anchor rod and its construction method |
| CN106968247B (en) * | 2017-05-17 | 2022-08-19 | 洛阳理工学院 | Expansion pressure-breaking type recyclable anchor rod and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20180727 |