CN111637137B - Anti-drop safe pressure riveting nut - Google Patents
Anti-drop safe pressure riveting nut Download PDFInfo
- Publication number
- CN111637137B CN111637137B CN202010571870.XA CN202010571870A CN111637137B CN 111637137 B CN111637137 B CN 111637137B CN 202010571870 A CN202010571870 A CN 202010571870A CN 111637137 B CN111637137 B CN 111637137B
- Authority
- CN
- China
- Prior art keywords
- disc
- boss
- embossing
- limiting
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004049 embossing Methods 0.000 claims abstract description 53
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 238000005728 strengthening Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
Abstract
The invention discloses an anti-falling safe riveting nut which comprises a nut main body, a limiting disc, an embossing disc, a boss, a main threaded hole and convex points, wherein the top of the nut main body is fixedly provided with the limiting disc, the upper end face of the limiting disc is provided with the convex points, the top of the limiting disc is fixedly provided with the embossing disc, the side wall of the embossing disc is provided with a plurality of embossing teeth, the top of the embossing disc is fixedly provided with the boss, the boss is in an inverted truncated cone shape, the upper end diameter of the boss is smaller than that of the embossing disc, the outer wall of the boss and the upper end face of the embossing disc form a guide groove, the upper end face of the embossing disc is provided with a plurality of first reinforcing grooves, the outer wall of the boss is provided with a plurality of second reinforcing grooves, and the main threaded hole sequentially penetrates through the nut main body, the limiting disc, the embossing disc and the boss from bottom to top. According to the invention, the convex points are arranged on the limiting disc, the first reinforcing groove is arranged on the embossing disc, and the second reinforcing groove is arranged on the boss, so that the press riveting nut is firmly fixed and is not easy to loosen.
Description
[ technical field ] A
The invention relates to the technical field of fasteners, in particular to the technical field of riveting nuts.
[ background of the invention ]
The pressure riveting nut is also called a riveting nut, and is a self-fastening nut, which is a fastener for pressure riveting, a standard part, the pressure riveting nut is generally used for products in the metal industry of automobile body metal plates, materials such as hardware stamping or copper-aluminum plastic, and the like. The principle is that the embossing teeth are pressed into the preset hole positions of the metal plate, the aperture of the preset hole is generally slightly smaller than the embossing teeth of the pressure riveting nut, the embossing teeth of the pressure riveting nut are extruded into the plate through pressure to enable the periphery of the hole to generate plastic deformation, and a deformed object is extruded into the guide groove, so that the locking effect is generated, and the pressure riveting nut can be widely applied along with the connection of new energy sources, light weight and heterogeneous materials of an automobile. The existing pressure riveting nut is easy to fall off and is not safe enough to use.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an anti-falling safe pressure riveting nut which can be prevented from falling off easily.
In order to achieve the purpose, the invention provides an anti-falling safe riveting nut which comprises a nut main body, a limiting disc, an embossing disc, a boss, a main threaded hole and convex points, wherein the top of the nut main body is fixedly provided with the limiting disc, the upper end face of the limiting disc is provided with a plurality of convex points, the top of the limiting disc is fixedly provided with the embossing disc, the side wall of the embossing disc is provided with a plurality of embossing teeth, the top of the embossing disc is fixedly provided with the boss in an inverted cone frustum shape, the upper end diameter of the boss is smaller than that of the embossing disc, the outer wall of the boss and the upper end face of the embossing disc form a guide groove, the upper end face of the embossing disc is provided with a plurality of first reinforcing grooves, the outer wall of the boss is provided with a plurality of second reinforcing grooves, and the main threaded hole sequentially penetrates through the nut main body, the limiting disc, the embossing disc and the boss from bottom to top.
Preferably, the nut body, the limiting disc, the embossing disc, the boss and the main threaded hole are all located on the same vertical axis, and the nut body, the limiting disc, the embossing disc and the boss are of an integrated structure.
Preferably, the salient points are triangular pyramid, quadrangular pyramid or cone-shaped, the salient points are distributed on the upper end face of the limiting disc at intervals, and the distance between the salient points is 1.5-3 times of the maximum width of the salient points.
Preferably, the first reinforcing groove is a groove body extending along the radial direction of the embossing disc, the first reinforcing groove is opened on the side wall of the embossing disc, the second reinforcing groove is a groove body extending along the bus direction of the outer wall of the boss, the second reinforcing groove is opened on the upper end face of the boss, and the cross sections of the first reinforcing groove and the second reinforcing groove are both isosceles triangles.
Preferably, the top of main screw hole includes an auxiliary screw hole, and auxiliary screw hole's top includes a spacing groove, has twisted an auxiliary stud on the auxiliary screw hole, and the spacing inslot is embedded to have a limiting plate, limiting plate and auxiliary stud formula structure as an organic whole, the top of limiting plate and the top parallel and level of boss.
Preferably, a screwing groove is formed in the lower end face of the auxiliary stud, and the main threaded hole and the auxiliary threaded hole are opposite in spiral direction.
Preferably, the outer diameter of the limiting disc is larger than that of the nut body, and the outer diameter of the limiting disc is larger than that of the embossing disc.
The invention has the beneficial effects that: according to the invention, the convex points are arranged on the limiting disc, the first reinforcing grooves are arranged on the embossing disc, and the second reinforcing grooves are arranged on the bosses, so that the press riveting nut is firmly fixed and is not easy to loosen; the arrangement of the limiting plate and the auxiliary screw column enables the press riveting nut to have good adaptability, and riveting can be carried out on the through hole and the groove.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of an anti-drop safety clinch nut of the present invention;
fig. 2 is a partial schematic view of the anti-falling safety clinch nut of the invention.
In the figure: the nut comprises a nut body 1, a limiting disc 2, an embossing disc 3, a boss 4, a main threaded hole 10, an auxiliary threaded hole 11, a limiting groove 12, an auxiliary stud 13, a limiting plate 14, a screwing groove 15, a salient point 20, an embossing tooth 30, a first reinforcing groove 31, a guide groove 40 and a second reinforcing groove 41.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the anti-falling safe riveting nut comprises a nut main body 1, a limiting disc 2, an embossing disc 3, a boss 4, a main threaded hole 10 and salient points 20, wherein the top of the nut main body 1 is fixedly provided with the limiting disc 2, the upper end face of the limiting disc 2 is provided with the salient points 20, the top of the limiting disc 2 is fixedly provided with the embossing disc 3, the side wall of the embossing disc 3 is provided with a plurality of embossing teeth 30, the top of the embossing disc 3 is fixedly provided with the boss 4, the boss 4 is in an inverted cone frustum shape, the upper end diameter of the boss 4 is smaller than that of the embossing disc 3, the outer wall of the boss 4 and the upper end face of the embossing disc 3 form a guide groove 40, the upper end face of the embossing disc 3 is provided with a plurality of first reinforcing grooves 31, the outer wall of the boss 4 is provided with a plurality of second reinforcing grooves 41, and the main threaded hole 10 sequentially penetrates through the nut main body 1 from bottom to top, Spacing dish 2, knurling dish 3 and boss 4, nut main part 1, spacing dish 2, knurling dish 3, boss 4, main screw hole 10 all are located same vertical axis, nut main part 1, spacing dish 2, knurling dish 3, boss 4 formula structure as an organic whole, bump 20 is three pyramids or four pyramids or conical, bump 20 interval distribution on spacing dish 2's up end, the distance between bump 20 is 1.5-3 times of bump 20 maximum width, first strengthening groove 31 is the cell body along knurling dish 3 radial direction extension, first strengthening groove 31 is at the lateral wall opening of knurling dish 3, second strengthening groove 41 is the cell body along the extension of boss 4 outer wall generating line direction, second strengthening groove 41 is at the up end opening of boss 4, the cross-section of first strengthening groove 31 and second strengthening groove 41 all is isosceles triangle, the top of main screw hole 10 includes an auxiliary screw hole 11, the top of supplementary screw hole 11 includes a spacing groove 12, has twisted a supplementary double-screw bolt 13 on the supplementary screw hole 11, and spacing groove 12 is embedded to have a limiting plate 14, limiting plate 14 and supplementary double-screw bolt 13 formula structure as an organic whole, the top of limiting plate 14 and the top parallel and level of boss 4, be equipped with one on the lower terminal surface of supplementary double-screw bolt 13 and twist groove 15, the spiral opposite direction of main screw hole 10 and supplementary screw hole 11, the external diameter of spacing dish 2 is greater than the external diameter of nut main part 1, and the external diameter of spacing dish 2 is greater than the external diameter of knurling dish 3.
The working process of the invention is as follows:
in the working process of the anti-falling safe pressure riveting nut, the salient point 20 is arranged on the limiting disc 2, the first reinforcing groove 31 is arranged on the embossing disc 3, and the second reinforcing groove 41 is arranged on the boss 4, so that the pressure riveting nut is firmly fixed and is not easy to loosen; due to the arrangement of the limiting plate 14 and the auxiliary stud 13, the rivet pressing nut has good adaptability and can be riveted on the through hole and the groove.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (1)
1. The utility model provides a nut is riveted to anti-drop safety pressure which characterized in that: comprises a nut main body (1), a limiting disc (2), an embossing disc (3), a boss (4), a main threaded hole (10) and salient points (20), wherein the top of the nut main body (1) is fixed with the limiting disc (2), the upper end face of the limiting disc (2) is provided with the plurality of salient points (20), the top of the limiting disc (2) is fixed with the embossing disc (3), the side wall of the embossing disc (3) is provided with a plurality of embossing teeth (30), the top of the embossing disc (3) is fixed with the boss (4), the boss (4) is in an inverted cone frustum shape, the upper end diameter of the boss (4) is smaller than that of the embossing disc (3), the outer wall of the boss (4) and the upper end face of the embossing disc (3) form a guide groove (40), the upper end face of the embossing disc (3) is provided with a plurality of first reinforcing grooves (31), the outer wall of the boss (4) is provided with a plurality of second reinforcing grooves (41), the main threaded hole (10) sequentially penetrates through the nut main body (1), the limiting disc (2), the embossing disc (3) and the boss (4) from bottom to top, the salient points (20) are triangular pyramid-shaped or quadrangular pyramid-shaped or conical, the salient points (20) are distributed on the upper end face of the limiting disc (2) at intervals, the distance between the salient points (20) is 1.5-3 times of the maximum width of the salient points (20), the first reinforcing groove (31) is a groove body extending along the radial direction of the embossing disc (3), the first reinforcing groove (31) is an opening on the side wall of the embossing disc (3), the second reinforcing groove (41) is a groove body extending along the bus direction of the outer wall of the boss (4), the second reinforcing groove (41) is an opening on the upper end face of the boss (4), the cross sections of the first reinforcing groove (31) and the second reinforcing groove (41) are both isosceles triangles, the top end of the main threaded hole (10) comprises an auxiliary threaded hole (11), the top end of the auxiliary threaded hole (11) comprises a limiting groove (12), an auxiliary stud (13) is screwed on the auxiliary threaded hole (11), a limiting plate (14) is embedded in the limiting groove (12), the limiting plate (14) and the auxiliary stud (13) are of an integral structure, the top end of the limiting plate (14) is flush with the top end of the boss (4), the nut body (1), the limiting disc (2), the embossing disc (3), the boss (4) and the main threaded hole (10) are all located on the same vertical axis, the nut body (1), the limiting disc (2), the embossing disc (3) and the boss (4) are of an integral structure, a screwing groove (15) is arranged on the lower end face of the auxiliary stud (13), the main threaded hole (10) and the auxiliary threaded hole (11) are opposite in spiral direction, and the outer diameter of the limiting disc (2) is greater than that of the nut body (1), the outer diameter of the limiting disc (2) is larger than that of the embossing disc (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571870.XA CN111637137B (en) | 2020-06-22 | 2020-06-22 | Anti-drop safe pressure riveting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571870.XA CN111637137B (en) | 2020-06-22 | 2020-06-22 | Anti-drop safe pressure riveting nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111637137A CN111637137A (en) | 2020-09-08 |
| CN111637137B true CN111637137B (en) | 2022-07-01 |
Family
ID=72330351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010571870.XA Active CN111637137B (en) | 2020-06-22 | 2020-06-22 | Anti-drop safe pressure riveting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111637137B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768825B (en) * | 2021-01-15 | 2023-04-25 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
| CN114838045A (en) * | 2022-05-19 | 2022-08-02 | 浙江洪扬汽车零部件有限公司 | High-stability press-riveting nut for automobile body |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL281980A (en) * | 1961-08-23 | |||
| US3736969A (en) * | 1966-09-22 | 1973-06-05 | H Warn | Pierce nut |
| US3461936A (en) * | 1967-10-19 | 1969-08-19 | Robert D Weber | Self-retained tension nut |
| US5445483A (en) * | 1993-08-23 | 1995-08-29 | Emhart Inc. | Female clinch fastener with cold-formed locking flange and associated installation method |
| CN201973048U (en) * | 2011-02-22 | 2011-09-14 | 苏州工业园区新凯精密五金有限公司 | Press riveting screw nut post |
| CN206054491U (en) * | 2016-08-25 | 2017-03-29 | 上海寸银实业有限公司 | Cold forming steel alloy self-clinching nut |
| CN207268255U (en) * | 2017-10-24 | 2018-04-24 | 山东九佳紧固件股份有限公司 | New self-clinching nut |
| CN207687162U (en) * | 2017-12-30 | 2018-08-03 | 芜湖天量电池系统有限公司 | A kind of self-clinching nut |
| CN208619500U (en) * | 2018-07-26 | 2019-03-19 | 深圳市庭锋五金制品有限公司 | A kind of waterproof self-clinching nut |
-
2020
- 2020-06-22 CN CN202010571870.XA patent/CN111637137B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111637137A (en) | 2020-09-08 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A safety rivet nut for preventing detachment Granted publication date: 20220701 Pledgee: Industrial Commercial Bank of China Ltd. Haiyan branch Pledgor: HAIYAN HONGMAO HARDWARE PRODUCTS Co.,Ltd. Registration number: Y2024980007873 |