CN201246382Y - Tubular self-stamping rivet - Google Patents
Tubular self-stamping rivet Download PDFInfo
- Publication number
- CN201246382Y CN201246382Y CNU2008201374365U CN200820137436U CN201246382Y CN 201246382 Y CN201246382 Y CN 201246382Y CN U2008201374365 U CNU2008201374365 U CN U2008201374365U CN 200820137436 U CN200820137436 U CN 200820137436U CN 201246382 Y CN201246382 Y CN 201246382Y
- Authority
- CN
- China
- Prior art keywords
- rivet
- pipy
- self
- veneer
- panel veneer
- 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.)
- Expired - Fee Related
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Abstract
A pipy self-piercing rivet comprises a rivet rod, and is characterized in that the rivet rod has a hollow pipy structure; trapezoidal chamfer angles or arc-shaped chamfer angles are formed at the two ends of the cavity of the rivet rod; and the axial direction section of the trapezoidal chamfer angles are characterized in that the outer edges are long, while the inner edges are short. The purpose for tight connection of the pipy self-piercing rivet is achieved as follows: lower panel veneer is placed on a lower die; the pipy rivet is placed on the lower panel veneer; upper panel veneer is placed on the pipy rivet; a punch head is pressed on the upper panel veneer; the punch head moves downwards to push the rivet to penetrate upwards into the upper panel veneer, or penetrate downwards into the lower panel veneer; and under the combined action of the punch head and the lower die, the upper and the lower ends of the pipy rivet is allowed to open and form horn mouths in the upper panel veneer and the lower panel veneer to lock the panel veneers. The pipy self-piercing rivet has the advantage that the surfaces of riveted upper panel veneers and riveted lower panel veneers are even and smooth.
Description
Technical field
The utility model relates to the mechanical connection rivet, especially a kind of tubulose self-pierce riveting nail.
Background technique
Self-piercing riveting is a kind of high speed machine fastening that does not need pre-drilled to connect plate, can be used for riveting aluminium sheet, steel plate, also can be used for riveted joint between the different materials plate, even can be used for the riveted joint between nonmetal such as plastics.Compare with spot welding and to have following advantage: can be connected multilayer aluminium, coating sheet metal, reinforced plastics, composite material; Do not need pre-drilled; Endurance; Can with the naked eye intuitively observe when connecting quality inspection; , non-thermal radiation little, no-spark, no waste material, low energy consumption, low noise to environmetal impact; Can be compatible with oiling agent with tackiness agent.Just because of have these advantages, self-piercing riveting more and more comes into one's own and favors.But existing self-pierce riveting pin structure is divided into the head of a nail and nail bar two-part, and its deficiency is that the upper surface after the riveted joint has head of a nail vestige, lower surface unevenness, can not be used to rivet the smooth connection of surface requirements.
Summary of the invention
The purpose of this utility model just provides a kind of simple in structure, and can make the smooth smooth tubulose self-pierce riveting nail of upper and lower panel surface after the riveted joint.
Tubulose self-pierce riveting nail of the present utility model comprises the nail bar, and being characterized in following closely bar is hollow tubular structure, and it is the outer length of side, short trapezoidal chamfering or the arc angling of inner edge that the two ends of nail bar cavity all have axial cross section.
Tubulose self-pierce riveting nail of the present utility model, following plate is placed on the counterdie, pipe type rivet is placed on down on the plate, last plate is placed on the pipe type rivet, and drift is pressed in plate, and drift moves downward, promoting pipe type rivet upwards thrusts plate, thrusts down plate downwards, under the acting in conjunction of drift and counterdie, the upper/lower terminal of pipe type rivet opens in last plate and following plate and forms horn mouth so that the locking plate reaches the purpose that is connected firmly.Adopt this tubulose self-pierce riveting nail, the upper and lower panel surface after the riveted joint is smooth smooth.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model using process view;
Fig. 3 uses the back view for the utility model.
Embodiment
A kind of tubulose self-pierce riveting nail comprises the nail bar, is characterized in following closely bar 1 and is hollow tubular structure, and it is the outer length of side, short trapezoidal chamfering or the arc angling 3 of inner edge that the two ends of nail bar cavity 2 all have axial cross section.
Claims (1)
1, a kind of tubulose self-pierce riveting nail comprises the nail bar, it is characterized in that: nail bar (1) is hollow tubular structure, and it is the outer length of side, short trapezoidal chamfering or the arc angling (3) of inner edge that the two ends of nail bar cavity (2) all have axial cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201374365U CN201246382Y (en) | 2008-08-26 | 2008-08-26 | Tubular self-stamping rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201374365U CN201246382Y (en) | 2008-08-26 | 2008-08-26 | Tubular self-stamping rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246382Y true CN201246382Y (en) | 2009-05-27 |
Family
ID=40730204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201374365U Expired - Fee Related CN201246382Y (en) | 2008-08-26 | 2008-08-26 | Tubular self-stamping rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246382Y (en) |
-
2008
- 2008-08-26 CN CNU2008201374365U patent/CN201246382Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20130826 |