CN104179769A - Double head step blind rivet - Google Patents
Double head step blind rivet Download PDFInfo
- Publication number
- CN104179769A CN104179769A CN201410387175.2A CN201410387175A CN104179769A CN 104179769 A CN104179769 A CN 104179769A CN 201410387175 A CN201410387175 A CN 201410387175A CN 104179769 A CN104179769 A CN 104179769A
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- China
- Prior art keywords
- rivet
- head
- blind rivet
- rivet nut
- bar
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Abstract
The invention discloses a double head step blind rivet. The double head step blind rivet comprises a rivet body and a rivet mandrel, wherein the rivet body comprises a rivet main body; the rivet mandrel comprises a rivet mandrel rod; the rivet mandrel rod is inserted into a hollow hole of the rivet main body; a first rivet body head part of which the outer diameter is larger than that of the rivet main body is arranged at one end of the rivet main body; a step part of which the outer diameter is smaller than that of the first rivet body head part is arranged on the first rivet body head part, and connected with a second rivet body head part of which the outer diameter is larger than that of the step part; a rivet mandrel head part of which the outer diameter is larger than that of the rivet mandrel rod is arranged at one end of the rivet mandrel rod; a fracture part of which the cross section area is decreased is arranged on the rivet mandrel rod; annular grooves are formed in the rivet mandrel rod between the fracture part and the rivet mandrel head part. The double head step blind rivet is suitable for connection of any box cover; not only is the disassembly convenient and the operation simple, but also the connection is reliable, a box door can be opened in the left-right direction or the up-down direction, and the noise is low.
Description
Technical field
The present invention relates to a kind of self-plugging rivet, relate in particular to a kind of two ailhead step self-plugging rivets that are used for riveting case for electrical apparatus, toolbox, household electric appliance etc.
Background technique
When producing the products such as case for electrical apparatus, toolbox, household electric appliance, mostly case lid is generally to be connected with self tapping screw with chamber door, and handling are inconvenient, waste time and energy, and also will have special tool operation.
Summary of the invention
The object of the present invention is to provide a kind of pair of ailhead step self-plugging rivet, use this rivet, on workpiece after riveting well, make a call to a corresponding hole on chamber door, aim at rivet be just pressed into can, also can left and right or open up and down, convenient disassembly, simple to operate, connection is reliably.To solve the problems referred to above that in prior art, self-plugging rivet exists.
For reaching this object, the present invention by the following technical solutions:
A kind of pair of ailhead step self-plugging rivet, it comprises rivet nut and blind rivet, described rivet nut comprises the tubulose rivet nut body with hollow hole, described blind rivet comprises solid blind rivet bar, described blind rivet bar is inserted in the hollow hole of described rivet nut body, wherein, one end of described rivet nut body is provided with the first rivet nut head that external diameter is greater than described this body diameter of rivet nut, described the first rivet nut head arranges with respect to the other end that rivet nut body is set the stepped part that external diameter is less than the first ailhead head, and described stepped part connecting external diameter is greater than the second rivet nut head of stepped part; Described blind rivet bar is successively through described rivet nut body, the first rivet nut head, stepped part and the second rivet nut head, one end of described blind rivet bar is provided with the blind rivet head that external diameter is greater than described blind rivet bar external diameter, described blind rivet head is positioned at one end of described rivet nut body, on described blind rivet bar, be provided with the fracture portion that cross sectional area is less than blind rivet bar cross sectional area, on the described blind rivet bar between described fracture portion and described blind rivet head, be provided with annular groove.
Especially, described the first rivet nut head is oblate, and described the second rivet nut head is spherical in shape.
Especially, described blind rivet head is semicircle, and the diameter of described blind rivet head equates with the external diameter of described rivet nut body.
Especially, the external diameter of described stepped part equates with the external diameter of described rivet nut body.
Especially, described annular groove is provided with at least two.
Especially, described fracture portion is at least one wedge-shaped indentation being opened on described blind rivet bar.
Especially, described wedge-shaped indentation offers two, is symmetricly set in the both sides of described blind rivet bar.
Beneficial effect of the present invention is, compared with prior art described pair of ailhead step self-plugging rivet is provided with first and second two rivet nut heads in rivet nut, in the middle of these two rivet nut heads, be connected with stepped part, after riveted joint, rivet nut body is splashed to rise and is riveted on workpiece, and in the middle of two rivet nut heads, forms step, mid diameter is less than two rivet nut heads, the hole of another workpiece is stuck in step, disconnectable connection, is specially adapted to the connection of household electric appliance, any case lid etc. again.The present invention is simple to operate, and noise is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1;
Fig. 2 is the sectional drawing of the rivet nut of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1;
Fig. 3 is the side view of the blind rivet of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1;
Fig. 4 is the phase diagram before the riveted joint of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1;
Fig. 5 is the phase diagram after the riveted joint of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1;
Fig. 6 is the handling schematic diagram of the riveted joint workpiece of two ailhead step self-plugging rivets of providing of the specific embodiment of the invention 1.
In figure:
1, rivet nut; 2, blind rivet; 3, hollow hole; 4, rivet nut body; 5, blind rivet bar; 6, the first rivet nut head; 7, stepped part; 8, the second rivet nut head; 9, blind rivet head; 10, fracture portion; 11, annular groove; 12, tabular body; 13, workpiece.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technological scheme of the present invention.
Refer to shown in Fig. 1 to Fig. 3, in the present embodiment, a kind of pair of ailhead step self-plugging rivet comprises rivet nut 1 and blind rivet 2, described rivet nut 1 comprises the tubulose rivet nut body 4 with hollow hole 3, described blind rivet 2 comprises solid blind rivet bar 5, described blind rivet bar 5 is inserted in the hollow hole 3 of described rivet nut body 4, one end of described rivet nut body 4 is provided with the first rivet nut head 6 that external diameter is greater than described rivet nut body 4 external diameters, described the first rivet nut head 6 is oblate, and it provides a good location to rivet nut 1 when riveted joint.And described the first rivet nut head 6 arranges with respect to the other end that rivet nut body 4 is set the stepped part 7 that external diameter is less than the first ailhead head, the external diameter equal and opposite in direction of the external diameter of described stepped part 7 and described rivet nut body 4, and described stepped part 7 connecting external diameters are greater than the second rivet nut head 8 of described stepped part 7; Described the second rivet nut head 8 is spherical in shape, is designed to spherical more firmly after riveted joint completes, and especially surface can smoother, there will not be burr etc., is conducive to the connection of another workpiece.
Described blind rivet bar 5 passes successively described rivet nut body 4, the first rivet nut head 6, stepped part 7 and the second rivet nut head 8 afterwards and stretches out, one end of described blind rivet bar 5 is provided with the blind rivet head 9 that external diameter is greater than described blind rivet bar 5 external diameters, described blind rivet head 9 is positioned at one end of described rivet nut body 4, and described blind rivet head 9 is that semicircle its diameter equates with the external diameter of described rivet nut body 4, described blind rivet head 9 is designed to semicircle good-looking after riveted joint completes, especially surface meeting smoother, there will not be burr etc.
On described blind rivet bar 5, offer the fracture portion 10 that cross sectional area is less than blind rivet bar 5 cross sectional areas, described fracture portion 10 is symmetrical two wedge-shaped indentation that are opened in described blind rivet bar 5 both sides, in when riveted joint, the fracture location that can guarantee blind rivet 2 is just at the position at fracture portion 10 places.
On blind rivet bar 5 between described fracture portion 10 and described blind rivet head 9, be provided with at least two annular grooves 11, the external diameter of described annular groove 11 is less than the external diameter of blind rivet bar 5.
Refer to shown in Fig. 4 and Fig. 5, while using the rivet of the present embodiment, punching on tabular body to be riveted 12, the external diameter of the external diameter in the hole of tabular body 12 and rivet nut body 4 matches, the blind rivet bar 5 of blind rivet 2 is inserted in the hollow hole 3 of rivet nut 1 from one end of rivet nut body 4, and the blind rivet head 9 that makes blind rivet 2 is adjacent to the end face of rivet nut body 4, in the hole of then blind rivet head 9 being inserted from tabular body 12 1 sides together with rivet nut 1.Blind rivet 2 is under the effect of riveting gun, and blind rivet head 9 compressing rivet nut bodies 4, make the expanded drum of rivet nut body 4 become drum type, and blind rivet 2 and rivet nut 1 compressing is crooked, firmly the first tabular body 12 are pinned, and makes it form as shown in Figure 5 step-like, never becoming loose.
Refer to shown in Fig. 6, by punching on workpiece 13, the second rivet nut head 8 sizes shown in bore dia and Fig. 5 match, then aim at the second rivet nut head 8, be pressed into gently (or taking out) workpiece 13 is hung in stepped part 7, load and unload easy and convenient, time saving and energy saving, energy-conserving and environment-protective.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. a two ailhead step self-plugging rivet, it comprises rivet nut and blind rivet, described rivet nut comprises the tubulose rivet nut body with hollow hole, described blind rivet comprises solid blind rivet bar, described blind rivet bar is inserted in the hollow hole of described rivet nut body, it is characterized in that, one end of described rivet nut body is provided with the first rivet nut head that external diameter is greater than described this body diameter of rivet nut, described the first rivet nut head arranges with respect to the other end that rivet nut body is set the stepped part that external diameter is less than the first ailhead head, and described stepped part connecting external diameter is greater than the second rivet nut head of stepped part; Described blind rivet bar is successively through described rivet nut body, the first rivet nut head, stepped part and the second rivet nut head, one end of described blind rivet bar is provided with the blind rivet head that external diameter is greater than described blind rivet bar external diameter, described blind rivet head is positioned at one end of described rivet nut body, on described blind rivet bar, be provided with the fracture portion that cross sectional area is less than blind rivet bar cross sectional area, on the described blind rivet bar between described fracture portion and described blind rivet head, be provided with annular groove.
2. according to claim 1 pair of ailhead step self-plugging rivet, is characterized in that, described the first rivet nut head is oblate, and described the second rivet nut head is spherical in shape.
3. according to the two ailhead step self-plugging rivets described in claim 1 or 2 any one, it is characterized in that, described blind rivet head is semicircle, and the diameter of described blind rivet head equates with the external diameter of described rivet nut body.
4. according to claim 1 pair of ailhead step self-plugging rivet, is characterized in that, the external diameter of described stepped part equates with the external diameter of described rivet nut body.
5. according to claim 1 pair of ailhead step self-plugging rivet, is characterized in that, described annular groove is provided with at least two.
6. according to claim 1 pair of ailhead step self-plugging rivet, is characterized in that, described fracture portion is at least one wedge-shaped indentation being opened on described blind rivet bar.
7. according to claim 6 pair of ailhead step self-plugging rivet, is characterized in that, described wedge-shaped indentation offers two, is symmetricly set in the both sides of described blind rivet bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387175.2A CN104179769B (en) | 2014-08-07 | 2014-08-07 | Two ailhead step self-plugging rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387175.2A CN104179769B (en) | 2014-08-07 | 2014-08-07 | Two ailhead step self-plugging rivet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104179769A true CN104179769A (en) | 2014-12-03 |
| CN104179769B CN104179769B (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410387175.2A Active CN104179769B (en) | 2014-08-07 | 2014-08-07 | Two ailhead step self-plugging rivet |
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| Country | Link |
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| CN (1) | CN104179769B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1534298A (en) * | 1976-08-06 | 1978-11-29 | Ross Courtney & Co Ltd | Fastener devices |
| DE3217065A1 (en) * | 1982-05-06 | 1983-11-10 | Tucker Gmbh, 6300 Giessen | Blind rivet |
| CN101586633A (en) * | 2009-05-31 | 2009-11-25 | 芜湖大捷离合器有限公司 | Automobile clutch for preventing the plastic deformation of driving belt |
| CN202040176U (en) * | 2011-04-18 | 2011-11-16 | 无锡安士达五金有限公司 | Step self-plugging rivet |
| CN203023227U (en) * | 2013-01-07 | 2013-06-26 | 北京经纬恒润科技有限公司 | Fastening part |
| CN203130726U (en) * | 2013-03-21 | 2013-08-14 | 无锡安士达五金有限公司 | Double countersunk head pull-thru rivet |
| CN204003885U (en) * | 2014-08-07 | 2014-12-10 | 无锡安士达五金有限公司 | Two ailhead step self-plugging rivets |
-
2014
- 2014-08-07 CN CN201410387175.2A patent/CN104179769B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1534298A (en) * | 1976-08-06 | 1978-11-29 | Ross Courtney & Co Ltd | Fastener devices |
| DE3217065A1 (en) * | 1982-05-06 | 1983-11-10 | Tucker Gmbh, 6300 Giessen | Blind rivet |
| CN101586633A (en) * | 2009-05-31 | 2009-11-25 | 芜湖大捷离合器有限公司 | Automobile clutch for preventing the plastic deformation of driving belt |
| CN202040176U (en) * | 2011-04-18 | 2011-11-16 | 无锡安士达五金有限公司 | Step self-plugging rivet |
| CN203023227U (en) * | 2013-01-07 | 2013-06-26 | 北京经纬恒润科技有限公司 | Fastening part |
| CN203130726U (en) * | 2013-03-21 | 2013-08-14 | 无锡安士达五金有限公司 | Double countersunk head pull-thru rivet |
| CN204003885U (en) * | 2014-08-07 | 2014-12-10 | 无锡安士达五金有限公司 | Two ailhead step self-plugging rivets |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104179769B (en) | 2016-06-15 |
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