CN219655049U - Single drum type self-plugging rivet - Google Patents
Single drum type self-plugging rivet Download PDFInfo
- Publication number
- CN219655049U CN219655049U CN202320907299.3U CN202320907299U CN219655049U CN 219655049 U CN219655049 U CN 219655049U CN 202320907299 U CN202320907299 U CN 202320907299U CN 219655049 U CN219655049 U CN 219655049U
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- Prior art keywords
- rivet
- expansion head
- deformation
- deformation pipe
- rivet body
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- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 125000003003 spiro group Chemical group 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Insertion Pins And Rivets (AREA)
Abstract
The utility model discloses a single-drum type self-plugging rivet, which relates to the technical field of rivets and comprises a rivet core, wherein one end of the rivet core is fixedly connected with an expansion head, the outer surface of the rivet core is sleeved with a rivet body, the rivet body is in sliding connection with the rivet core, and one end of the rivet body, which is close to the expansion head, is fixedly connected with a deformation pipe. According to the utility model, through the cooperation arrangement among the structures such as the expansion head, the screw hole, the screw rod, the protective cover and the like, after a user rivets two workpieces, the protective cover can be screwed into the screw hole formed in the expansion head through the screw rod, the screw rod is rotated until the peripheral side of the protective cover is tightly attached to the surface of the workpieces, the expanded deformation pipe is wrapped in the protective cover, and the problem that the expanded deformation pipe is directly exposed on the outer surface of the workpieces, so that the user is easily scratched by the exposed expanded deformation pipe when using the workpieces is avoided as much as possible.
Description
Technical Field
The utility model relates to the technical field of rivets, in particular to a single-drum type self-plugging rivet.
Background
The rivet is a part which is connected with a riveted part by self deformation or interference, and the single-drum self-plugging rivet is a riveting metal fastener with unique structure, belongs to a novel fastener, has high strength nail core holding force, high resistance and shearing resistance, and has good filling performance.
The utility model patent of bulletin number CN210050171U proposes a single drum type self-plugging rivet, which comprises a rivet mandrel and a rivet body, wherein one end of the rivet body is welded with a rivet end cap, and a connecting shaft hole is formed in the inner vertical central line of the rivet body, one end of the connecting shaft hole penetrates through the rivet end cap, a plurality of V-shaped grooves are formed in the top end of an outer shell of the rivet body, the rivet mandrel is embedded and connected in the inner side of the connecting shaft hole in the rivet body, and a mandrel traction head is welded at the top end of the rivet mandrel.
Above-mentioned rivet structure is after riveting, and the position deformation that sets up flutedly through outside casing realizes the riveting to the work piece, however the casing after the deformation lacks protector, and the recess lateral wall is comparatively sharp generally because inconvenient polishing, and the user is scratched by the recess lateral wall easily when using the work piece, inconvenient user uses.
Disclosure of Invention
In order to solve the problem that the deformation position of the existing rivet is exposed outside directly after riveting a workpiece, so that a user is easily scratched by the exposed deformation position when using the workpiece, the utility model provides a single-drum type self-plugging rivet.
The utility model provides a single-drum self-plugging rivet, which adopts the following technical scheme:
the utility model provides a single drum formula self-plugging rivet, includes the nail core, the wherein one end fixedly connected with expansion head of nail core, the surface cover of nail core is equipped with the rivet body, the rivet body with nail core sliding connection, the rivet body is close to fixedly connected with deformation pipe on the one end of expansion head, a plurality of symmetric distribution's deformation groove has been seted up on the deformation pipe lateral wall, the expansion head is kept away from on the one end of nail core the screw has been seted up, the screw top is equipped with the screw rod, the screw rod is kept away from the one end fixedly connected with protection casing of screw, the screw rod bottom pass through the screw with expansion head looks spiro union.
Through adopting above technical scheme, during the use, the user aligns the riveting hole of seting up on two work pieces of waiting to rivet at first, then draw back the nail core from the rivet body is inside, penetrate the rivet body inside the riveting hole, then the user is with the nail core keep away from the one section of expansion head from rivet body fixedly connected with deformation pipe one end run through the rivet body, and fix the nail core through external equipment and extrude the rivet body simultaneously, the rivet body receives extrusion effect back promotion deformation pipe and to expansion head department removal, after deformation pipe and expansion head laminating, owing to receive the extrusion effect of expansion head, make deformation pipe expand along the deformation groove grow, thereby rivet together two work pieces jointly through rivet body and deformation after the rivet is accomplished, the user passes through the screw rod spiro union on the expansion head with the protection casing, and rotatory screw rod is until the week side and the work piece surface closely laminating of protection casing, the deformation pipe parcel after the expansion is inside the protection casing, avoid the deformation pipe after the expansion exposes outside as far as possible, the problem of easy fish tail user.
Optionally, an annular flange is fixedly connected with one end of the rivet body away from the deformation tube, the annular flange is in a ring-shaped structure, and the outer diameter of the annular flange is larger than the diameter of the rivet body.
Through adopting above technical scheme, set up the annular flange that the diameter is greater than rivet body external diameter, make the user carry out riveted in-process, accessible extrusion annular flange promotes the rivet body and removes to make the user use more convenient.
Optionally, the external diameter of deformation pipe is less than the external diameter of rivet body, set up the external screw thread on the outer wall of deformation pipe, the cover is equipped with the regulation spiral ring on the deformation pipe surface, the regulation spiral ring pass through the external screw thread with deformation pipe looks spiro union.
Through adopting above technical scheme, adjust the spiral ring through external screw thread spiro union at the surface of deformation pipe, make the position of user's accessible screw motion regulation spiral ring change regulation spiral ring, consolidate the deformation pipe through adjusting the spiral ring, avoid deformation pipe in the riveting process as far as possible because receive the extrusion effect of expansion head and lead to deformation pipe excessive expansion damage's problem.
Optionally, the expansion head is of a funnel-shaped structure, and one end of the expansion head with smaller diameter is fixedly connected with the nail core.
Through adopting above technical scheme, set up the expansion head into funnel-shaped structure, make the deformation pipe and after the expansion head contact, can receive the slant extrusion effect of expansion head lateral wall, make the deformation pipe outwards expand the deformation along the deformation groove to rivet the work piece through the deformation pipe after the inflation.
Optionally, the protection casing is hemisphere type structure, the inside of protection casing is hollow, the internal diameter of protection casing is not less than the length of deformation pipe.
Through adopting above technical scheme, set up to be hemispherical protection casing, and the internal diameter of protection casing is not less than the length of deformation pipe, makes the deformation pipe after the inflation can hold in the protection casing inner chamber completely, wraps up the deformation pipe through the protection casing, avoids the deformation pipe after the inflation to expose outside as far as possible, fish tail user's problem easily.
Optionally, a cross-shaped spiral groove is formed in the top of the protective cover.
Through adopting above technical scheme, offer and be the helicla flute of "cross" form at the top of protection casing, make things convenient for the user to insert the screw rod of inside spiral shell of helicla flute, with the screw rod spiro union in the screw cavity of seting up on the expansion head.
In summary, the beneficial effects of the utility model are as follows:
according to the utility model, through the cooperation arrangement among the structures such as the expansion head, the screw hole, the screw rod, the protective cover and the like, after a user rivets two workpieces, the protective cover can be screwed into the screw hole formed in the expansion head through the screw rod, the screw rod is rotated until the peripheral side of the protective cover is tightly attached to the surface of the workpieces, the expanded deformation pipe is wrapped in the protective cover, and the problem that the expanded deformation pipe is directly exposed on the outer surface of the workpieces, so that the user is easily scratched by the exposed expanded deformation pipe when using the workpieces is avoided as much as possible.
Drawings
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic illustration of the connection of the rivet body, deformation tube and adjustment screw ring of the present utility model;
fig. 3 is a schematic structural view of the integral rivet in the set-up state of the present utility model.
Reference numerals illustrate: 1. a nail core; 2. a rivet body; 3. an annular flange; 4. a deformation tube; 5. a deformation groove; 6. an external thread; 7. regulating the spiro ring; 8. an expansion head; 9. a screw hole; 10. a screw; 11. a protective cover; 12. a screw groove.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
Referring to fig. 1-3, a single drum type self-plugging rivet comprises a rivet core 1, wherein one end of the rivet core 1 is fixedly connected with an expansion head 8. The outer surface of the nail core 1 is sleeved with a rivet body 2, and the rivet body 2 is in sliding connection with the nail core 1. The rivet is connected in a sliding connection mode, so that a user can conveniently pull the rivet core 1 to rivet the workpiece by the rivet body 2.
The rivet comprises a rivet body 2, an expansion head 8, a deformation pipe 4, and a plurality of annular deformation grooves 5 which are uniformly distributed on the side wall of the deformation pipe 4. The deformation groove 5 is formed so that the inside of the deformation tube 4 can be extruded and then can be expanded and deformed along the deformation groove 5, thereby forming a riveting structure.
Simultaneously, set up screw 9 on the one end that expansion head 8 kept away from core 1, screw 9 top is equipped with screw rod 10, and the one end fixedly connected with that screw rod 10 kept away from screw 9 is used for carrying out the protection casing 11 of cladding effect to the deformation pipe 4 after the inflation, screw rod 10 bottom is through screw hole 9 and expansion head 8 looks spiro union.
After the user rivets the workpiece, the protective cover 11 can be screwed on the expansion head 8 through the screw rod 10, the peripheral side of the protective cover 11 is tightly attached to the surface of the workpiece, the expanded deformation tube 4 is wrapped in the protective cover 11, and the problem that the expanded deformation tube 4 is exposed outside and is easy to scratch the user is avoided as much as possible.
When the riveting tool is used, a user aligns riveting holes formed in two workpieces to be riveted, then pulls out a rivet core 1 from the inside of a rivet body 2, penetrates the rivet body 2 into the riveting holes, then the user penetrates the rivet body 2 through one section of the rivet core 1, which is far away from an expansion head 8, from one end of the rivet body 2, fixedly connected with a deformation tube 4, through the rivet body 2, the rivet core 1 is fixed through external equipment, the rivet body 2 is extruded at the same time, the deformation tube 4 is pushed to move towards the expansion head 8 after the rivet body 2 is extruded, after the deformation tube 4 is attached to the expansion head 8, the deformation tube 4 is expanded and enlarged along the deformation groove 5 due to the extrusion of the expansion head 8, so that two workpieces are riveted together through the rivet body 2 and the deformed deformation tube 4, after riveting is completed, the user screws the protection cover 11 on the expansion head 8 through a screw 10 until the periphery of the protection cover 11 is tightly attached to the surface of the workpieces, the expanded deformation tube 4 is wrapped inside the protection cover 11, and the problem that the expanded deformation tube 4 is scratched easily is avoided as much as possible.
Referring to fig. 1 and 2, an annular flange 3 is fixedly connected to one end of the rivet body 2, which is far away from the deformation tube 4, the annular flange 3 has a circular ring-shaped structure, and the outer diameter of the annular flange 3 is larger than the diameter of the rivet body 2. The annular flange 3 with the diameter larger than the outer diameter of the rivet body 2 is arranged, so that a user can push the rivet body 2 to move by extruding the annular flange 3 in the riveting process, and the rivet is more convenient to use.
Referring to fig. 2, the outer diameter of the deformation tube 4 is smaller than the outer diameter of the rivet body 2, an external thread 6 is arranged on the outer wall of the deformation tube 4, an adjusting spiral ring 7 is sleeved on the outer surface of the deformation tube 4, and the adjusting spiral ring 7 is in threaded connection with the deformation tube 4 through the external thread 6. The external surface of the deformation tube 4 is in threaded connection with the adjusting spiral ring 7 through the external thread 6, so that a user can change the position of the adjusting spiral ring 7 through the threaded adjusting spiral ring 7, the deformation tube 4 is reinforced through the adjusting spiral ring 7, and the problem that the deformation tube 4 is excessively expanded and damaged due to the extrusion action of the expansion head 8 in the riveting process is avoided as much as possible.
Referring to fig. 1, the expansion head 8 is in a funnel-shaped structure, and one end of the expansion head 8 with a smaller diameter is fixedly connected with the nail core 1. The expansion head 8 is arranged into a funnel-shaped structure, so that after the deformation pipe 4 is contacted with the expansion head 8, the deformation pipe 4 can be subjected to oblique extrusion action of the side wall of the expansion head 8, and the deformation pipe 4 is expanded and deformed outwards along the deformation groove 5, so that workpieces are riveted through the expanded deformation pipe 4.
Referring to fig. 1, the shield 11 has a hemispherical structure, the inside of the shield 11 is hollow, and the inside diameter of the shield 11 is not smaller than the length of the deformation tube 4. The hemispherical protective cover 11 is arranged, the inner diameter of the protective cover 11 is not smaller than the length of the deformation pipe 4, the deformation pipe 4 after expansion can be completely contained in the inner cavity of the protective cover 11, the deformation pipe 4 is wrapped by the protective cover 11, and the problem that the deformation pipe 4 after expansion is exposed outside and is easy to scratch a user is avoided as much as possible.
Referring to fig. 1, a cross-shaped groove 12 is formed at the top of the shield 11. The top of the protective cover 11 is provided with a cross-shaped screw groove 12, so that a user can conveniently insert a screwdriver into the screw groove 12 to screw the screw rod 10, and the screw rod 10 is screwed into the inner cavity of the screw hole 9 formed in the expansion head 8.
The implementation principle of the utility model is as follows: when the riveting tool is used, a user aligns riveting holes formed in two workpieces to be riveted, then pulls out a rivet core 1 from the inside of a rivet body 2, penetrates the rivet body 2 into the riveting holes, then the user penetrates the rivet body 2 through one section of the rivet core 1, which is far away from an expansion head 8, from one end of the rivet body 2, fixedly connected with a deformation tube 4, through external equipment, the rivet core 1 is fixed, the rivet body 2 is extruded at the same time, the rivet body 2 is extruded to push the deformation tube 4 to move towards the expansion head 8, after the deformation tube 4 is attached to the expansion head 8, the deformation tube 4 is expanded and enlarged along the deformation groove 5 due to the extrusion of the expansion head 8, so that two workpieces are riveted together through the rivet body 2 and the deformed deformation tube 4, after riveting, the user screws the protection cover 11 onto the expansion head 8 through a screw 10 until the periphery of the protection cover 11 is tightly attached to the surface of the workpieces, the expanded deformation tube 4 is wrapped inside the protection cover 11, and the problem that the expanded deformation tube 4 is scratched easily is avoided as much as possible.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a single drum formula self-plugging rivet, includes core (1), wherein one end fixedly connected with expansion head (8) of core (1), its characterized in that: the external surface cover of nail core (1) is equipped with rivet body (2), rivet body (2) with nail core (1) sliding connection, rivet body (2) are close to fixedly connected with deformation pipe (4) on the one end of expansion head (8), set up a plurality of symmetric distribution's deformation groove (5) on deformation pipe (4) lateral wall, expansion head (8) are kept away from screw (9) have been seted up on the one end of nail core (1), screw (9) top is equipped with screw rod (10), screw rod (10) are kept away from one end fixedly connected with protection casing (11) of screw (9), screw rod (10) bottom is passed through screw (9) with expansion head (8) looks spiro union.
2. A single drum blind rivet according to claim 1, wherein: the rivet comprises a rivet body (2), wherein one end, far away from a deformation pipe (4), of the rivet body is fixedly connected with an annular flange (3), the annular flange (3) is of a circular ring structure, and the outer diameter of the annular flange (3) is larger than the diameter of the rivet body (2).
3. A single drum blind rivet according to claim 1, wherein: the external diameter of the deformation pipe (4) is smaller than that of the rivet body (2), an external thread (6) is arranged on the outer wall of the deformation pipe (4), an adjusting spiral ring (7) is sleeved on the outer surface of the deformation pipe (4), and the adjusting spiral ring (7) is in threaded connection with the deformation pipe (4) through the external thread (6).
4. A single drum blind rivet according to claim 1, wherein: the expansion head (8) is of a funnel-shaped structure, and one end of the expansion head (8) with a smaller diameter is fixedly connected with the nail core (1).
5. A single drum blind rivet according to claim 1, wherein: the protection cover (11) is of a hemispherical structure, the inside of the protection cover (11) is hollow, and the inner diameter of the protection cover (11) is not smaller than the length of the deformation pipe (4).
6. A single drum blind rivet according to claim 1, wherein: a cross-shaped spiral groove (12) is formed in the top of the protective cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907299.3U CN219655049U (en) | 2023-04-20 | 2023-04-20 | Single drum type self-plugging rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907299.3U CN219655049U (en) | 2023-04-20 | 2023-04-20 | Single drum type self-plugging rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655049U true CN219655049U (en) | 2023-09-08 |
Family
ID=87856188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320907299.3U Active CN219655049U (en) | 2023-04-20 | 2023-04-20 | Single drum type self-plugging rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655049U (en) |
-
2023
- 2023-04-20 CN CN202320907299.3U patent/CN219655049U/en active Active
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