CN221170244U - Connecting structure suitable for high-strength interface of riveting - Google Patents
Connecting structure suitable for high-strength interface of riveting Download PDFInfo
- Publication number
- CN221170244U CN221170244U CN202323034819.3U CN202323034819U CN221170244U CN 221170244 U CN221170244 U CN 221170244U CN 202323034819 U CN202323034819 U CN 202323034819U CN 221170244 U CN221170244 U CN 221170244U
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- fastener nut
- riveting
- interface
- screw rod
- connecting plate
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- 239000004831 Hot glue Substances 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002356 single layer Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model relates to the technical field of riveting, in particular to a connecting structure of a high-strength interface suitable for riveting, which comprises a connecting plate, a fastener nut and a screw rod, wherein the screw rod is in threaded connection with the fastener nut, the top end of the fastener nut is provided with an inserting part, the surface of the connecting plate is provided with a prefabricated hole matched with the inserting part, the middle part of the surface of the fastener nut is provided with a circular hole, the inserting part on the fastener nut is inserted into the prefabricated hole, the inserting part is plastically extruded and deformed to be in interference fit with the prefabricated hole by combining a riveting process and a riveting die to generate friction force, the friction force is enough to bear pushing force and screwing torque required by fastening installation, the friction force can be repeatedly installed and used, and the fastener and the interface are tightly combined to meet the installation condition by deforming the fastener nut or deforming with the interface (connecting plate) or deforming both the fastener nut and the interface (connecting plate) to form interference, embedding, interference and other modes.
Description
Technical Field
The utility model relates to the technical field of riveting, in particular to a connecting structure of a high-strength interface suitable for riveting.
Background
Along with the light weight of automobiles, the application of high-strength materials is more and more widespread, and the ultra-high-strength materials can not be applied to ultra-high-strength material interfaces after being manufactured and used by traditional punching riveting and press riveting fastening.
At present, the existing common rivet nut is easy to generate pretightening force attenuation, or a blind rivet is used for unrepeatable installation or larger pretightening effect, no effective fastening connection exists at present, and aiming at the problems, a connecting structure of a high-strength interface suitable for riveting is provided.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a connecting structure of a high-strength interface suitable for riveting, and solves the technical problems that the existing riveting nut is easy to generate pretightening force attenuation or the blind rivet is not repeatedly installed or has a larger pretightening effect, and no effective fastening connection exists at present.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
Be suitable for riveted connection structure at high strength interface, including connecting plate, fastener nut and screw rod, screw rod and fastener nut threaded connection, the top of fastener nut is provided with the insert, the prefabricated hole with insert looks adaptation is seted up on the surface of connecting plate, the cover is equipped with on the screw rod and scribbles hot melt adhesive spare, the cover is equipped with the glue spare on the screw rod, the screw rod plane end is provided with the recess that is used for placing scribbling the hot melt adhesive spare, and scribbles the top of hot melt adhesive spare and is higher than the plane end of screw rod, wherein, circular hole has been seted up at the middle part on fastener nut surface, the insert communicates with each other with the circular hole, the inner wall in circular hole is provided with the screw groove.
Preferably: the fastener nut has a diameter of 15mm.
Preferably: the height of the insertion portion was 3mm.
Preferably: the height of the fastener nut is 7.5mm, and the height of the protruding part at the top end of the fastener nut is 2mm.
Preferably: the preformed holes are polygonal or elliptical or other non-compass shapes.
Preferably: the insert is circular or polygonal in shape.
(III) beneficial effects
1. The insert part of the fastener nut is inserted into the prefabricated hole, and the insert part is plastically extruded and deformed to be in interference fit with the prefabricated hole by combining a riveting process and a riveting die to generate friction force which is enough to bear the push-out force and the screwing torque required by fastening installation and can be repeatedly installed and used.
2. The hand-in part of the fastener nut can be used for controlling the effective length to connect with a single-layer interface, a double-layer interface or more layers of interfaces according to the requirements of a connecting interface (connecting plate), and the fastener is tightly combined with the interface to meet the installation condition by deforming the fastener nut or deforming the fastener nut and the interface (connecting plate) in the modes of interference, embedding, interference and the like.
3. The hot melt adhesive coating piece is sleeved on the screw rod, the adhesive piece is sleeved on the screw rod, the groove used for placing the hot melt adhesive coating piece is formed in the plane end of the screw rod, the top of the hot melt adhesive coating piece is higher than the plane end of the screw rod, the sealing effect between the screw rod and the fastener nut is better, the engine is effectively prevented from being high Wen Louyou, and the effectiveness and the safety of the whole part are improved.
Drawings
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
FIG. 1 is a block diagram of the overall structure of a high strength interface connection of the present utility model for which riveting is suitable;
FIG. 2 is a block diagram of a preformed hole of the present utility model;
FIG. 3 is a block diagram of a fastener nut of the present utility model;
FIG. 4 is a block diagram of a fastener nut of the present utility model in cross-section;
fig. 5 is a structural view of the present utility model after caulking.
Legend description: 1. a connecting plate; 2. a fastener nut; 21. an insertion section; 22. a circular hole; 3. prefabricating holes; 4. a thread groove; 5. a screw; 6. coating a hot melt adhesive piece; 7. and (5) a glue piece.
Detailed Description
According to the embodiment of the application, by providing the connecting structure of the high-strength interface suitable for riveting, the problems that the existing blind rivet nut is easy to generate pretightening force attenuation or the blind rivet is not repeatedly installed or has a larger pretightening effect at present, and effective fastening connection is not generated are effectively solved, the insertion part on the fastener nut is inserted into the prefabricated hole, the riveting process and the riveting die are combined to plastically squeeze and deform the insertion part to the interference fit of the prefabricated hole to generate friction force, the friction force is enough to bear the pushing force and the screwing torque required by fastening installation, the friction force can be repeatedly installed and used, the effective length of the hand-in part of the fastener nut can be controlled to be connected with a single-layer interface, a double-layer interface or more interface according to the requirement of the connecting interface (connecting plate), and the fastening part and the interface (connecting plate) are tightly combined to meet the installation conditions in a mode of interference, embedding, interference and the like.
Examples
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the technical scheme in the embodiment of the application is to effectively solve the technical problems that the existing blind rivet nut is easy to generate pretightening force attenuation or the blind rivet is not repeatedly installed or has a larger pretightening effect, and the existing blind rivet has no effective fastening connection, and the general thinking is as follows:
Aiming at the problems existing in the prior art, the utility model provides a connecting structure of a high-strength interface suitable for riveting, which comprises a connecting plate 1, a fastener nut 2 and a screw 5, wherein the screw 5 is in threaded connection with the fastener nut 2, the top end of the fastener nut 2 is provided with an inserting part 21, the surface of the connecting plate 1 is provided with a prefabricated hole 3 matched with the inserting part 21, the screw 5 is sleeved with a hot melt adhesive coating piece 6, the screw 5 is sleeved with a glue piece 7, the planar end of the screw 5 is provided with a groove for placing the hot melt adhesive coating piece 6, the top of the hot melt adhesive coating piece 6 is higher than the planar end of the screw 5, the middle part of the surface of the fastener nut 2 is provided with a circular hole 22, the inserting part 21 is communicated with the circular hole 22, the inner wall of the circular hole 22 is provided with a thread groove 4, the diameter of the fastener nut 2 is 15mm, the height of the inserting part 21 is 3mm, the height of the fastener nut 2 is 7.5mm, the height of the protruding part at the top end of the fastener nut 2 is 2mm, the prefabricated hole 3 is polygonal, elliptical or other non-compasses, the insertion part 21 is circular or polygonal, the connecting plate 1 is made of ultra-high strength materials, the yield strength is larger than 1000MPa, even 2000MPa or more, the insertion part 21 on the fastener nut 2 is inserted into the prefabricated hole 3, the insertion part 21 is plastically extruded and deformed (the prefabricated hole 3) by combining a riveting process and a riveting die to generate friction force which is enough to bear the pushing force and the screwing torque required by fastening installation, the friction force can be repeatedly installed and used, the effective length of the hand-in part of the fastener nut 2 can be controlled to be connected with a single-layer interface, a double-layer interface or more interface according to the requirement of a connecting interface (the connecting plate 1), the deformation of the fastener nut 2 or the deformation with the interface (the connecting plate 1) or both of the two interfaces are deformed, the fastening nut 2 and the interface (the connecting plate 1) are in interference, embedding, interference and other modes, and the fastening is tightly combined with the interface to meet the installation condition.
Working principle:
In the first step, the connecting plate 1 is made of ultra-high strength material, the yield strength is more than 1000MPa, even 2000MPa or more, the insertion part 21 on the fastener nut 2 is inserted into the prefabricated hole 3, and the insertion part 21 is plastically extruded and deformed to be in interference fit with the prefabricated hole 3 by combining a riveting process and a riveting die to generate friction force which is enough to bear the pushing force and the screwing torque required by fastening installation, and the fastening device can be repeatedly installed and used.
And secondly, the hand-in part of the fastener nut 2 can be connected with a single-layer interface, a double-layer interface or more layers of interfaces according to the requirement of a connecting interface (the connecting plate 1), and the fastener is tightly combined with the interfaces in a manner of interference, embedding, interference and the like by deforming the fastener nut 2 or deforming the interface (the connecting plate 1) or deforming both the fastener nut 2 and the interface (the connecting plate 1).
Third, be equipped with through the cover on the screw rod 5 and scribble hot melt adhesive spare 6, the cover is equipped with glue piece 7 on the screw rod 5, and screw rod 5 plane end is provided with the recess that is used for placing scribbling hot melt adhesive spare 6, scribbles the plane end that the top of hot melt adhesive spare 6 is higher than screw rod 5 for sealed effect is better between screw rod 5 and the fastener nut 2, effectively prevents engine height Wen Louyou, improves whole portion validity, security. The structure schematic diagram after riveting is shown in fig. 5.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (6)
1. Be suitable for connection structure at high strength interface of riveting, including connecting plate (1), fastener nut (2) and screw rod (5), its characterized in that, screw rod (5) and fastener nut (2) threaded connection, the top of fastener nut (2) is provided with insert portion (21), prefabricated hole (3) with insert portion (21) looks adaptation are seted up on the surface of connecting plate (1), cover is equipped with on screw rod (5) and scribbles hot melt adhesive spare (6), cover is equipped with on screw rod (5) and glues spare (7), screw rod (5) plane end is provided with the recess that is used for placing scribbles hot melt adhesive spare (6), and scribbles the top of hot melt adhesive spare (6) and be higher than the plane end of screw rod (5);
The middle part of the surface of the fastener nut (2) is provided with a circular hole (22), the insertion part (21) is communicated with the circular hole (22), and the inner wall of the circular hole (22) is provided with a thread groove (4).
2. The connection structure for high strength interfaces suitable for riveting according to claim 1, characterized in that the diameter of the fastener nut (2) is 15mm.
3. The high-strength interface connection structure suitable for riveting according to claim 1, characterized in that the height of the insert (21) is 3mm.
4. The connection structure for high strength interface suitable for riveting according to claim 1, wherein the height of the fastener nut (2) is 7.5mm, and the height of the top protrusion of the fastener nut (2) is 2mm.
5. The connection structure of high-strength interfaces suitable for riveting according to claim 1, characterized in that the preformed holes (3) are polygonal or elliptical or other non-compass shape.
6. The connection structure for high-strength interfaces suitable for riveting according to claim 1, characterized in that said insert (21) has a circular or polygonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034819.3U CN221170244U (en) | 2023-11-10 | 2023-11-10 | Connecting structure suitable for high-strength interface of riveting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323034819.3U CN221170244U (en) | 2023-11-10 | 2023-11-10 | Connecting structure suitable for high-strength interface of riveting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221170244U true CN221170244U (en) | 2024-06-18 |
Family
ID=91461757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323034819.3U Active CN221170244U (en) | 2023-11-10 | 2023-11-10 | Connecting structure suitable for high-strength interface of riveting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221170244U (en) |
-
2023
- 2023-11-10 CN CN202323034819.3U patent/CN221170244U/en active Active
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