CN211009475U - Rivet turning and riveting device - Google Patents
Rivet turning and riveting device Download PDFInfo
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- CN211009475U CN211009475U CN201921537088.5U CN201921537088U CN211009475U CN 211009475 U CN211009475 U CN 211009475U CN 201921537088 U CN201921537088 U CN 201921537088U CN 211009475 U CN211009475 U CN 211009475U
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- rivet
- turning
- connecting part
- flange
- connecting portion
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Abstract
The utility model provides a turn over and rivet and turn over and rivet device, including flange, connecting portion and turn over and rivet the portion, wherein: the flange, the connecting part and the rivet turning part are arranged in sequence; the flange, the connecting part and the rivet turning part are integrally arranged; a sealing coating is attached to the outer side of the connecting part; the connecting part and the rivet turning part are arranged in a hollow mode. The utility model is suitable for the connection of various materials, and is not affected by common processes, such as welding process; the rivet turning rivet of the utility model is hollow, thus greatly saving the cost; the riveting process has few influencing factors and high stability; the riveted parts have high sealing performance; the utility model discloses can be suitable for the connected work piece of different thickness combination ranges, if from multilayer board gross thickness 1.0mm to 8.0 mm.
Description
Technical Field
The utility model relates to a fastener field specifically relates to a turn over and rivet and turn over and rivet device.
Background
With new energy and light weight of automobiles, the rivet is widely applied to connection of different materials, particularly ultra-thin plates. The rivet for turning rivet has the following advantages:
1. the connection of multiple layers (such as the mutual combination of steel, rubber, plastic, aluminum, carbon fiber, etc.): cannot be connected by a conventional welding process; the rivet is turned over and the connection structure is pressed and connected firmly in a mechanical mode.
2. Connection between high-strength plate and super-strength plate (special thin plate): the ultra-thin metal plate can not be connected in a stamping mode process, and the ultra-thin metal plate is easy to break due to plastic deformation and reduces the strength of the metal plate; the metal plate does not need to be deformed by adopting a turnover riveting connection structure mode, so that the connection strength is ensured.
3. The connection between the metal plates with low strength (such as plastic and the like): the small deformation connection strength is insufficient; the mode of the turning-riveting connection structure can adopt a large-turning-ring mode, so that the contact surface is increased.
However, the existing rivet for turning over has the defects of high manufacturing cost and poor sealing performance between multi-layer structures after the rivet for turning over is used.
Application number 201410575037.7's utility model patent relates to a screw structure does not come loose, include set screw and cup joint the riveting piece on set screw, set screw include screwhead and screw pole portion on be equipped with outside convex screw thread, riveting piece middle part be equipped with and pass hole confession screw pole portion the tip that passes near screwhead portion is equipped with inside bellied cyclic annular stopper, the internal diameter of cyclic annular stopper be less than the external diameter of screw thread and be greater than the diameter of screw pole portion. After having adopted above-mentioned structure, composite structure is simple, and the time spent is few, can improve the production efficiency of product, and the volume is less, has reduced manufacturing cost, does not adopt the flower tooth riveting and adopts the upset structure, can not destroy the structure of panel, can not influence its service function. However, the above patent is high in manufacturing cost and poor in sealing performance.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a turn over and rivet and turn over and rivet device.
According to the utility model provides a pair of turn over and rivet, including flange, connecting portion and turn over and rivet portion, wherein:
the flange, the connecting part and the rivet turning part are arranged in sequence;
the flange, the connecting part and the rivet turning part are integrally arranged;
a sealing coating is attached to the outer side of the connecting part;
the connecting part and the rivet turning part are arranged in a hollow mode.
Preferably, the connection portion comprises a transition connection portion and a horizontal connection portion, wherein:
one side of the horizontal connecting part is smoothly connected with one side of the transition connecting part, and the other side of the horizontal connecting part is connected with the rivet turning part;
and the other side of the transition connecting part is connected with a flange.
Preferably, the flange has an outer diameter greater than an outer diameter of the horizontal connecting portion.
Preferably, the wall thickness of the horizontal connecting part is the same as that of the turned riveting part.
Preferably, the thickness of the inner wall of the connecting part varies from the opening of the connecting part to the bottom of the connecting part: first increased and then unchanged.
According to the utility model, the rivet turning device comprises an upper die, a lower die, a connected workpiece and the rivet turning rivet, wherein the connected workpiece is sleeved on the rivet turning rivet; the rivet turning rivet is arranged on the upper surface of the lower die; the upper die is arranged right above the rivet turning rivet and can move up and down.
Preferably, the middle part of the lower surface of the upper die extends downwards to form a protruding part, and the outer side surface of the protruding part and the lower surface of the upper die form a flip-riveting transition cavity surface.
Preferably, the edge-folding rivet transition cavity surface is matched with an interface profile surface of the inner wall of the edge-folding rivet part.
Preferably, the outer diameter of the boss is smaller than the inner diameter of the rivet turning part.
Preferably, the height of the connecting portion is greater than the thickness of the connected workpieces.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model is suitable for the connection of various materials, and is not affected by common processes, such as welding process;
2. the rivet turning rivet of the utility model is hollow, thus greatly saving the cost;
3. the utility model has few influencing factors and high stability;
4. the utility model has high sealing performance of the riveted parts;
5. the utility model discloses can be suitable for the connected work piece of different thickness combination ranges, if from multilayer board gross thickness 1.0mm to 8.0 mm.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a clinch rivet;
FIG. 2 is a schematic comparison of a clinch rivet before and after clinching;
fig. 3 is a comparison schematic diagram before and after the operation of the rivet turning device.
The figures show that:
Rivet-turning part 101
Connecting part 102
Upper die 2
Flip-rivet transition cavity surface 201
Lower die 3
Connected workpiece 4
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, according to the utility model provides a rivet 1 is riveted to turning over, including flange, connecting portion and the portion of riveting is riveted to turning over, wherein: the flange, the connecting part and the rivet turning part are arranged in sequence; the flange, the connecting part and the rivet turning part are integrally arranged; a sealing coating is attached to the outer side of the connecting part and used for filling the expansion gap; the connecting part and the rivet turning part are arranged in a hollow mode.
Further, the connecting portion includes a transition connecting portion and a horizontal connecting portion, wherein: one side of the horizontal connecting part is smoothly connected with one side of the transition connecting part, and the other side of the horizontal connecting part is connected with the rivet turning part; and the other side of the transition connecting part is connected with a flange. The outer diameter of the flange is larger than that of the horizontal connecting part. The wall thickness of the horizontal connecting part is the same as that of the turned riveting part. From connecting portion opening to connecting portion bottom direction, the inner wall thickness variation of connecting portion becomes: first increased and then unchanged. Namely, the opening of the connecting part is a circular arc transition opening.
According to the utility model, the rivet turning device comprises an upper die 2, a lower die 3, a connected workpiece 4 and the rivet turning rivet 1, wherein the connected workpiece 4 is sleeved on the rivet turning rivet 1; the rivet turning 1 is arranged on the upper surface of the lower die 3; the upper die 2 is arranged right above the rivet turning rivet 1, and the upper die 2 can move up and down. The middle of the lower surface of the upper die 2 extends downwards to form a protruding portion, and the outer side surface of the protruding portion and the lower surface of the upper die 2 form a rivet-turning transition cavity surface 201. The overturning-riveting transition cavity surface 201 is matched with an interface profile surface of the inner wall of the overturning-riveting part. The outer diameter of the bulge part is smaller than the inner diameter of the rivet turning part. The height of the joining portion is greater than the thickness of the joined workpieces 4.
The utility model is suitable for the connection of various materials, and is not affected by common processes, such as welding process; the rivet turning rivet is arranged in a hollow mode, so that the cost is greatly saved; the utility model has few influencing factors and high stability; the riveted parts have high sealing performance; the utility model discloses can be suitable for the connected work piece of different thickness combination ranges, if from multilayer board gross thickness 1.0mm to 8.0 mm.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a turn over and rivet which characterized in that, includes flange, connecting portion and turns over the portion of riveting, wherein:
the flange, the connecting part and the rivet turning part are arranged in sequence;
the flange, the connecting part and the rivet turning part are integrally arranged;
a sealing coating is attached to the outer side of the connecting part;
the connecting part and the rivet turning part are arranged in a hollow mode.
2. The rivet according to claim 1, wherein the connecting portion comprises a transition connecting portion and a horizontal connecting portion, and wherein:
one side of the horizontal connecting part is smoothly connected with one side of the transition connecting part, and the other side of the horizontal connecting part is connected with the rivet turning part;
and the other side of the transition connecting part is connected with a flange.
3. The rivet according to claim 2, wherein the flange has an outer diameter greater than an outer diameter of the horizontal connecting portion.
4. The rivet according to claim 2, characterized in that the wall thickness of the horizontal connecting part is the same as the wall thickness of the rivet turning part.
5. The rivet according to claim 1, wherein the thickness of the inner wall of the connecting portion varies from the opening of the connecting portion to the bottom of the connecting portion: first increased and then unchanged.
6. A rivet turning device is characterized by comprising an upper die, a lower die, a connected workpiece and a rivet turning rivet according to any one of claims 1 to 5, wherein the connected workpiece is sleeved on the rivet turning rivet; the rivet turning rivet is arranged on the upper surface of the lower die; the upper die is arranged right above the rivet turning rivet and can move up and down.
7. The rivet overturning device according to claim 6, characterized in that the middle of the lower surface of the upper die extends downwards to form a boss, and the outer side surface of the boss and the lower surface of the upper die form a rivet overturning transition cavity surface.
8. The apparatus of claim 7, wherein the transition cavity surface is matched to the interface profile surface of the inner wall of the rivet portion.
9. The rivet turning device of claim 7, wherein an outer diameter of the boss is smaller than an inner diameter of the rivet turning portion.
10. The rivet turning apparatus of claim 7 wherein the height of the connecting portion is greater than the thickness of the connected workpieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537088.5U CN211009475U (en) | 2019-09-17 | 2019-09-17 | Rivet turning and riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921537088.5U CN211009475U (en) | 2019-09-17 | 2019-09-17 | Rivet turning and riveting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009475U true CN211009475U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921537088.5U Active CN211009475U (en) | 2019-09-17 | 2019-09-17 | Rivet turning and riveting device |
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| CN (1) | CN211009475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645249A (en) * | 2019-09-17 | 2020-01-03 | 上海纳特汽车标准件有限公司 | Rivet turning and riveting device |
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2019
- 2019-09-17 CN CN201921537088.5U patent/CN211009475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645249A (en) * | 2019-09-17 | 2020-01-03 | 上海纳特汽车标准件有限公司 | Rivet turning and riveting device |
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