CN220204645U - Cup type extruded and expanded all-aluminum rivet plug - Google Patents
Cup type extruded and expanded all-aluminum rivet plug Download PDFInfo
- Publication number
- CN220204645U CN220204645U CN202321395377.2U CN202321395377U CN220204645U CN 220204645 U CN220204645 U CN 220204645U CN 202321395377 U CN202321395377 U CN 202321395377U CN 220204645 U CN220204645 U CN 220204645U
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- Prior art keywords
- rivet
- plug
- cup
- ring
- rod
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000007142 ring opening reaction Methods 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Insertion Pins And Rivets (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a cup-type extruded and expanded all-aluminum rivet plug, which consists of a rivet rod and a plug cap, wherein the plug cap is sleeved and installed on the rivet rod, the rivet rod consists of a pull rod and a rivet head positioned at the front end part of the pull rod, an axial blind hole is formed in the front end part of the rivet head to form a cup shape, a fracture is formed at the joint of the rivet head and the pull rod, the plug cap is in a hollow ring shape, and corresponding locking mechanisms are respectively arranged on the rivet head and the plug cap, and the utility model has the advantages that: the axial blind hole in a cup shape is formed in the front end part of the rivet head of the rivet rod, so that the external extrusion tension is controllable when the rivet plug is performed, the thin-wall hole is effectively prevented from being extruded by the rivet plug, and the aim of effectively protecting a workpiece is fulfilled.
Description
Technical Field
The utility model relates to the technical field of plugging devices, in particular to the technical field of riveting plugs.
Background
The riveting plug consists of a riveting rod and a plug cap and is widely used for plugging process holes of engines, hydraulic and pneumatic elements and the like. Can replace various comprehensive plugs such as steel ball plugs, conical plugs, welding pin plugs, plugs with sealing gaskets and the like. The high-temperature and high-pressure leak-free sealing and plugging can be effectively carried out on workpieces made of steel, copper and medium-strength and high-strength aluminum alloy materials.
At present, most common plugging riveting plugs are open aluminum steel riveting plugs, and a large ionization potential difference exists between a plugging cap aluminum material and a plugging rod steel material. In addition, the existing rivet plug is not reasonable in structural design, on one hand, the extrusion tension is uncontrollable, and the phenomenon of extruding and cracking the thin-wall hole can occur under the extrusion tension action of the rivet head; on the other hand, the existing rivet plug still has the potential safety hazard of leakage.
Disclosure of Invention
The cup-type extruded and expanded aluminum rivet plug provided by the utility model has the advantages of reasonable structural design, controllable extrusion and expansion force, capability of effectively avoiding electrochemical corrosion, firm plugging and no leakage potential safety hazard.
The technical solution adopted by the utility model for solving the technical problems is as follows:
the cup-type extruded and expanded all-aluminum rivet plug consists of a rivet rod and a plug cap, wherein the plug cap is sleeved on the rivet rod, the rivet rod consists of a pull rod and a rivet head positioned at the front end part of the pull rod, an axial blind hole is formed in the front end part of the rivet head to form a cup shape, a fracture is formed at the joint of the rivet head and the pull rod, the plug cap is hollow and annular, and corresponding locking mechanisms are further arranged on the rivet head and the plug cap respectively.
Preferably, the locking mechanism is composed of an external locking ring arranged at the position of the fracture at the lower side of the rivet head and a limiting convex ring arranged at the inner side of the plug cap.
Preferably, the cross section of the external locking ring is splayed.
Preferably, the outer diameter of the outer locking ring is smaller than the inner diameter of the limiting convex ring, and the inner diameter of the outer locking ring is larger than or equal to the diameter of the pull rod.
Preferably, the locking mechanism is composed of an inner locking concave ring arranged on the lower side of the rivet head and above the fracture, and a step convex ring arranged on the inner side of the plug cap.
Preferably, the diameter of the upper ring opening of the inner locking concave ring is larger than that of the lower ring opening.
Preferably, the inner diameter of the step convex ring is larger than the diameter of the lower ring opening of the inner locking concave ring and smaller than the diameter of the upper ring opening of the inner locking concave ring.
Preferably, the rivet rod and the plug cap are made of aluminum materials.
Preferably, the outer side of the plug cap is provided with sealing anti-slip teeth.
The beneficial effects achieved by adopting the technical proposal of the utility model are as follows:
1. the axial blind hole in a cup shape is formed in the front end part of the rivet head of the rivet rod, so that the external extrusion tension is controllable when the rivet plug is performed, the thin-wall hole is effectively prevented from being extruded by the rivet plug, and the aim of effectively protecting a workpiece is fulfilled.
2. The riveting rod and the plug cap are made of aluminum materials, so that ionization potential difference of the riveting rod and the plug cap due to different materials is eliminated, electrochemical corrosion is avoided, and the service life of the riveting plug can be effectively prolonged.
3. When the locking mechanism is externally locked, namely, the locking mechanism consists of an external locking ring arranged at the lower side of the rivet head and positioned at the fracture and a limiting convex ring arranged at the inner side of the plug cap, the rivet head of the rivet rod is firmly locked in the plug cap under the combined action of the external locking ring and the limiting convex ring, so that an integrated structure is formed between the rivet head of the rivet rod and the plug cap, and the leakage phenomenon between the rivet head and the plug cap is effectively avoided;
4. when the locking mechanism is internally locked, namely, the locking mechanism consists of an internally locked concave ring arranged on the lower side of the rivet head and positioned above the fracture and a step convex ring arranged on the inner side of the plug cap, the step convex ring on the inner side of the plug cap is extruded into the internally locked concave ring of the rivet head under the action of the riveter, so that the rivet head of the rivet rod is firmly locked in the plug cap, an integrated structure is formed between the rivet head of the rivet rod and the plug cap, and the leakage phenomenon between the rivet head and the plug cap is effectively avoided;
5. through set up sealed anti-skidding tooth in the outside of cock cap, after riveting stopper completion, this sealed anti-skidding tooth can firmly imbed the inner wall of process hole for form integrated structure between cock cap and the process hole, effectively stopped the leakage phenomenon emergence between cock cap and the process hole.
Drawings
FIG. 1 is a schematic diagram of an external lock structure of the present utility model;
FIG. 2 is a schematic illustration of the structure of the rivet plug of FIG. 1 after being broken;
FIG. 3 is a schematic view of the internal lock structure of the present utility model;
fig. 4 is a schematic view of the structure of fig. 3 after the rivet plug is broken.
Description of the embodiments
The cup-type extruded and expanded all-aluminum rivet plug is shown in fig. 1, 2, 3 and 4 and comprises a rivet rod 1 and a plug cap 2, the plug cap 2 is sleeved and installed on the rivet rod 1, the rivet rod 1 is composed of a pull rod 3 and a rivet head 4 positioned at the front end part of the pull rod 3, an axial blind hole 5 is formed in the front end part of the rivet head 4 to form a cup shape, when the rivet plug is riveted, the external extrusion force can be controlled, the thin-wall hole extrusion cracking of the rivet plug can be effectively prevented, the aim of effectively protecting a workpiece is achieved, a fracture 6 is formed at the joint of the rivet head 4 and the pull rod 3, the plug cap 2 is hollow and a corresponding locking mechanism is further arranged on the rivet head 4 and the plug cap 2 respectively. The locking mechanism has two structural forms, one is an external locking structure, and the other is an internal locking structure.
The external locking mechanism is composed of an external locking ring 7 arranged at the lower side of the rivet head 4 and positioned at the fracture 6 and a limiting convex ring 8 arranged at the inner side of the plug cap 2, the cross section of the external locking ring 7 is splayed, the outer diameter of the external locking ring 7 is smaller than the inner diameter of the limiting convex ring 8, and the inner diameter of the external locking ring 7 is larger than or equal to the diameter of the pull rod 3. After the riveting plug is completed, under the combined action of the external locking ring 7 and the limiting convex ring 8, the rivet head 4 of the riveting rod 1 is firmly locked in the plug cap 2, so that an integrated structure is formed between the rivet head 4 of the riveting rod 1 and the plug cap 2, and the leakage phenomenon between the rivet head 4 and the plug cap 2 is effectively avoided.
The inner locking mechanism is composed of an inner locking concave ring 9 arranged on the lower side of the rivet head 4 and positioned above the fracture 6, and a step convex ring 10 arranged on the inner side of the plug cap 2, wherein the diameter of an upper ring opening 11 of the inner locking concave ring 9 is larger than that of a lower ring opening 12, and the inner diameter of the step convex ring 10 is larger than that of the lower ring opening 12 of the inner locking concave ring 9 and smaller than that of the upper ring opening 11 of the inner locking concave ring 9. The step convex ring 10 on the inner side of the plug cap 2 is extruded into the inner locking concave ring 9 of the rivet head 4 under the action of the riveter, so that the rivet head 4 of the rivet rod 1 is firmly locked in the plug cap 2, an integrated structure is formed between the rivet head 4 of the rivet rod 1 and the plug cap 2, and leakage phenomenon between the rivet head 4 and the plug cap 2 is effectively avoided.
The riveting rod 1 and the plug cap 2 are made of aluminum materials, so that ionization potential difference of the riveting rod 1 and the plug cap 2 due to different materials can be eliminated, electrochemical corrosion is avoided, and service life of the riveting plug can be effectively prolonged. The outside of the plug cap 2 is also provided with sealing anti-slip teeth 13.
Claims (9)
1. The cup-type extruded and expanded all-aluminum rivet plug consists of a rivet rod and a plug cap, wherein the plug cap is sleeved on the rivet rod, and the cup-type extruded and expanded all-aluminum rivet plug is characterized in that: the rivet rod consists of a pull rod and a rivet head positioned at the front end part of the pull rod, an axial blind hole is formed in the front end part of the rivet head to form a cup shape, a fracture is formed at the joint of the rivet head and the pull rod, the plug cap is hollow and annular, and corresponding locking mechanisms are further arranged on the rivet head and the plug cap respectively.
2. The cup-type expansion all-aluminum rivet plug according to claim 1, wherein: the locking mechanism is composed of an external locking ring arranged at the position of the fracture at the lower side of the rivet head and a limiting convex ring arranged at the inner side of the plug cap.
3. The cup-type expansion all-aluminum rivet plug according to claim 2, wherein: the cross section of the external locking ring is splayed.
4. The cup-type expansion all-aluminum rivet plug according to claim 2, wherein: the external diameter of the external locking ring is smaller than the internal diameter of the limiting convex ring, and the internal diameter of the external locking ring is larger than or equal to the diameter of the pull rod.
5. The cup-type expansion all-aluminum rivet plug according to claim 1, wherein: the locking mechanism consists of an inner locking concave ring arranged on the lower side of the rivet head and positioned above the fracture and a step convex ring arranged on the inner side of the plug cap.
6. The cup-type expansion all-aluminum rivet plug according to claim 5, wherein: the diameter of the upper ring opening of the inner locking concave ring is larger than that of the lower ring opening.
7. The cup-type expansion all-aluminum rivet plug according to claim 6, wherein: the inner diameter of the step convex ring is larger than the diameter of the lower ring opening of the inner locking concave ring and smaller than the diameter of the upper ring opening of the inner locking concave ring.
8. The cup-type extruded aluminum rivet plug according to claim 1, 2, 3, 4, 5, 6 or 7, wherein: the rivet rod and the plug cap are made of aluminum materials.
9. The cup-type extruded aluminum rivet plug according to claim 1, 2, 3, 4, 5, 6 or 7, wherein: the outside of cock cap is provided with sealed anti-skidding tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395377.2U CN220204645U (en) | 2023-06-02 | 2023-06-02 | Cup type extruded and expanded all-aluminum rivet plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395377.2U CN220204645U (en) | 2023-06-02 | 2023-06-02 | Cup type extruded and expanded all-aluminum rivet plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204645U true CN220204645U (en) | 2023-12-19 |
Family
ID=89145795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321395377.2U Active CN220204645U (en) | 2023-06-02 | 2023-06-02 | Cup type extruded and expanded all-aluminum rivet plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204645U (en) |
-
2023
- 2023-06-02 CN CN202321395377.2U patent/CN220204645U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |