CN110081066B - Double-sealing type rivet nut - Google Patents
Double-sealing type rivet nut Download PDFInfo
- Publication number
- CN110081066B CN110081066B CN201910461262.0A CN201910461262A CN110081066B CN 110081066 B CN110081066 B CN 110081066B CN 201910461262 A CN201910461262 A CN 201910461262A CN 110081066 B CN110081066 B CN 110081066B
- Authority
- CN
- China
- Prior art keywords
- nut
- sealing
- rivet
- sealing ring
- limiting platform
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 126
- 239000002184 metal Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
-
- 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
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
- F16B37/065—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a double-sealing type rivet nut which comprises a nut body, a limiting platform, a rivet nut deformation area, a first sealing ring and a second sealing device, wherein the nut body is cylindrical, a threaded cavity is arranged in the center of the nut body, the threaded cavity is of a structure with a closed upper end of a lower end opening, the rivet nut deformation area is arranged at the lower end of the nut body, the limiting platform is arranged at the lower end of the rivet nut deformation area, the limiting platform is disc-shaped, a first annular sealing ring mounting groove which can be matched with the first annular sealing ring is arranged at one end, facing the nut body, of the limiting platform, and the first sealing ring is arranged on the limiting platform.
Description
[ field of technology ]
The invention relates to the technical field of nuts, in particular to the technical field of rivet nuts.
[ background Art ]
The riveting nut is widely applied to the prior life, the riveting nut is one of the riveting nuts, and if the nut of a certain product needs to be arranged outside, but the space inside is narrow, the pressure head of the squeeze riveter cannot enter the pressure riveting and the methods such as bud drawing cannot meet the strength requirement, and then the pressure riveting and expansion riveting are not feasible. It is necessary to use rivet. The device is suitable for the field of fastening plates and pipes with various thicknesses. The pneumatic or manual hand riveter can be used for one-time riveting, and is convenient and firm; replace traditional welded nut, make up for the sheet metal, thin Guan Hanjie is fusible, weld nut is unsmooth etc. shortcoming. However, the connection between the riveting nut and the plate member of the existing riveting nut is not tight enough, the waterproof and airtight performances are poor, the riveting nut is required to have good waterproof and airtight performances in some special occasions, and the existing riveting nut cannot meet the requirements.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a double-sealing type rivet nut which can improve the connection tightness between the rivet nut and a sheet metal part and improve the waterproof and airtight performance.
In order to achieve the above purpose, the invention provides a double-sealing type rivet nut, which comprises a nut body, a limiting platform, a rivet nut deformation area, a first sealing ring and a second sealing device, wherein the nut body is cylindrical, a threaded cavity is arranged in the center of the nut body, the threaded cavity is of a structure with a closed upper end of an opening at the lower end, the rivet nut body is provided with the rivet nut deformation area at the lower end, the limiting platform is arranged at the lower end of the rivet nut deformation area, the limiting platform is disc-shaped, one end of the limiting platform facing the nut body is provided with a first annular sealing ring mounting groove which can be matched with the first annular sealing ring, the first annular sealing ring is arranged in the first annular sealing ring mounting groove, through holes which can be matched with the threaded cavity are arranged in the limiting platform and the rivet nut deformation area, the through holes are communicated with the opening ends of the threaded cavity, one end, far away from the nut body, of the limiting platform is provided with the second sealing device, and the second sealing device is detachably connected with the limiting platform.
Preferably, the second sealing device comprises a sealing nut, a second sealing ring and a third sealing ring, one end of the limiting platform, which is far away from the nut body, is provided with a limiting platform annular bulge which can be matched with the sealing nut, the outer wall of the limiting platform annular bulge is provided with a connecting external thread, the center of the sealing nut is provided with a sealing nut internal thread cavity which can be matched with the connecting external thread, the sealing nut is also provided with a sealing nut annular cavity which can be matched with the limiting platform, the sealing nut annular cavity is communicated with the sealing nut internal thread cavity, the inner side wall of the sealing nut annular cavity is provided with a second sealing ring mounting groove which can be matched with the second sealing ring, the second sealing ring is arranged in the second sealing ring mounting groove, one end of the sealing nut, which faces the nut body, is provided with a third sealing ring mounting groove which can be matched with the third sealing ring, and the third sealing ring is arranged in the third sealing ring mounting groove.
Preferably, the second sealing ring can be in contact fit with the side wall of the limiting platform.
Preferably, the lower end of the side wall of the deformation area of the rivet nut is uniformly provided with a plurality of anti-slip latches.
Preferably, the diameter of the through hole is larger than the diameter of the threaded cavity.
The double-sealing type rivet nut has the beneficial effects that: according to the invention, the first sealing ring is arranged on the limiting platform of the rivet nut, the second sealing device is arranged on the limiting platform, and double sealing is provided through the first sealing ring and the second sealing device, so that the connection tightness degree between the rivet nut and the sheet metal part is effectively improved, the waterproof and airtight performances are improved, and the requirements of some special occasions are met.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic front view of a double seal rivet nut of the present invention;
FIG. 2 is a front view cross-sectional view of a double seal rivet nut of the present invention;
FIG. 3 is a schematic view of a second sealing device of a double seal rivet nut according to the present invention.
In the figure: the novel sealing device comprises a 1-nut body, a 2-limiting platform, a 3-riveting nut deformation zone, a 4-first sealing ring, a 5-second sealing device, a 6-through hole, a 11-threaded cavity, a 21-first annular sealing ring mounting groove, a 22-limiting platform annular protrusion, a 31-anti-slip latch, a 51-sealing nut, a 52-second sealing ring, a 53-third sealing ring, a 222-connecting external thread, a 511-sealing nut internal thread cavity, a 512-sealing nut annular cavity, a 513-third sealing ring mounting groove and a 5121-second sealing ring mounting groove.
[ detailed description ] of the invention
Referring to fig. 1, 2 and 3, the double-sealing type rivet nut comprises a nut body 1, a limiting platform 2, a rivet nut deformation zone 3, a first sealing ring 4 and a second sealing device 5, wherein the nut body 1 is cylindrical, a threaded cavity 11 is arranged in the center of the nut body 1, the threaded cavity 11 is of a structure with an opening at the lower end and a closed upper end, the rivet nut deformation zone 3 is arranged at the lower end of the nut body 1, the limiting platform 2 is arranged at the lower end of the rivet nut deformation zone 3, the limiting platform 2 is disc-shaped, a first annular sealing ring mounting groove 21 which can be matched with the first annular sealing ring 5 is arranged at one end of the limiting platform 2 facing the nut body 1, the first annular sealing ring 5 is arranged in the first annular sealing ring mounting groove 21, a through hole 6 which can be matched with the threaded cavity 11 is arranged in the limiting platform 2 and the rivet nut deformation zone 3, the through hole 6 is communicated with the opening end of the threaded cavity 11, the through hole 6 and the threaded cavity 11 are coaxially arranged, one end, far away from the nut body 1, of the limiting platform 2 is provided with a second sealing device 5, the second sealing device 5 is detachably connected with the limiting platform 2, the second sealing device 5 comprises a sealing nut 51, a second sealing ring 52 and a third sealing ring 53, one end, far away from the nut body 1, of the limiting platform 2 is provided with a limiting platform annular bulge 22 which can be matched with the sealing nut 51, the outer wall of the limiting platform annular bulge 22 is provided with a connecting external thread 222, the center of the sealing nut 51 is provided with a sealing nut internal thread cavity 511 which can be matched with the connecting external thread 222, the sealing nut 51 is internally provided with a sealing nut annular cavity 512 which can be matched with the limiting platform 2, the sealing nut annular cavity 512 is communicated with the sealing nut internal thread cavity 511, a second sealing ring mounting groove 5121 which can be matched with the second sealing ring 52 is formed in the inner side wall of the sealing nut annular cavity 512, the second sealing ring 52 is arranged in the second sealing ring mounting groove 5121, a third sealing ring mounting groove 513 which can be matched with the third sealing ring 53 is formed in one end of the sealing nut 51, which faces the nut body 1, the third sealing ring 53 is arranged in the third sealing ring mounting groove 513, the second sealing ring 52 can be in contact fit with the side wall of the limiting platform 2, a plurality of anti-slip clamping teeth 31 are uniformly arranged at the lower end of the side wall of the rivet nut deformation area 3, and the diameter of the through hole 6 is larger than that of the threaded cavity 11.
The working process of the invention comprises the following steps:
in the working process of the double-sealing type riveting nut, a rivet pulling device penetrates through a through hole 6 to be connected with a threaded cavity 11, a nut body 1 and a rivet nut deformation area 3 are inserted into a reserved connecting hole of a sheet metal part, rivet pulling is carried out through the rivet pulling device, the rivet nut deformation area 3 deforms to clamp the sheet metal part under the pulling of the rivet pulling device, a second sealing device 5 is fixed through the matching of a sealing nut inner threaded cavity 511 and a limiting platform annular protrusion 22, a second sealing ring 52 is matched with the side wall of the limiting platform 2 in a contact manner, a third sealing ring 53 is matched with the sheet metal part in a contact manner, and the riveting nut is sealed.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (1)
1. A double seal type rivet nut, characterized in that: including nut body (1), spacing block (2), rivet nut deformation zone (3), first sealing washer (4), second sealing device (5), nut body (1) be cylindrically, nut body (1) center be equipped with screw thread chamber (11), screw thread chamber (11) be lower extreme opening upper end confined structure, nut body (1) lower extreme be equipped with rivet nut deformation zone (3), rivet nut deformation zone (3) lower extreme be equipped with spacing block (2), spacing block (2) be discoid, spacing block (2) on be equipped with towards the one end of nut body (1) be equipped with first sealing washer mounting groove (21) that can cooperate with first sealing washer (5), first sealing washer (5) locate in first sealing washer mounting groove (21), spacing block (2) and nut deformation zone (3) in be equipped with can with screw thread chamber (11) complex through-hole (6), through-hole (6) and screw thread chamber (11) open end (3) be equipped with spacing block (2) one end towards nut body (1) one end be equipped with and be equipped with first sealing device (5) on the coaxial nut (1), the second sealing device (5) is detachably connected with the limiting platform (2); the second sealing device (5) comprises a sealing nut (51), a second sealing ring (52) and a third sealing ring (53), one end, far away from the nut body (1), of the limiting platform (2) is provided with a limiting platform annular bulge (22) which can be matched with the sealing nut (51), the outer wall of the limiting platform annular bulge (22) is provided with a connecting external thread (222), the center of the sealing nut (51) is provided with a sealing nut internal thread cavity (511) which can be matched with the connecting external thread (222), the sealing nut (51) is internally provided with a sealing nut annular cavity (512) which can be matched with the limiting platform (2), the sealing nut annular cavity (512) is communicated with the sealing nut internal thread cavity (511), the inner side wall of the sealing nut annular cavity (512) is provided with a second sealing ring installation groove (5121) which can be matched with the second sealing ring (52), the second sealing ring (52) is arranged in the second sealing ring installation groove (5121), one end, facing the nut body (1), of the sealing nut (51) is provided with a third sealing ring (513) which can be matched with the third sealing ring (513); the second sealing ring (52) can be in contact fit with the side wall of the limit platform (2); the lower end of the side wall of the rivet nut deformation area (3) is uniformly provided with a plurality of anti-slip latches (31); the diameter of through-hole (6) be greater than the diameter of screw cavity (11), draw to rivet equipment and run through-hole (6) and be connected with screw cavity (11), insert the reservation connecting hole of sheet metal component with nut body (1) and rivet nut deformation district (3), draw to rivet through drawing to rivet equipment, rivet nut deformation district (3) and warp under drawing to rivet equipment and press from both sides the sheet metal component tightly, fix second sealing device (5) through sealing nut internal thread cavity (511) with spacing platform annular bulge (22)'s cooperation, second sealing washer (52) and spacing platform (2) lateral wall contact cooperation, third sealing washer (53) and sheet metal component contact cooperation, will rivet the nut seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461262.0A CN110081066B (en) | 2019-05-30 | 2019-05-30 | Double-sealing type rivet nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461262.0A CN110081066B (en) | 2019-05-30 | 2019-05-30 | Double-sealing type rivet nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110081066A CN110081066A (en) | 2019-08-02 |
| CN110081066B true CN110081066B (en) | 2024-02-06 |
Family
ID=67422557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910461262.0A Active CN110081066B (en) | 2019-05-30 | 2019-05-30 | Double-sealing type rivet nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081066B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688137A (en) * | 2020-12-31 | 2022-07-01 | 宾科精密部件(中国)有限公司 | Rivet pulling mechanism with good concentricity |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226431A (en) * | 1978-03-09 | 1980-10-07 | Parker-Hannifin Corporation | Sealing device for screw threads |
| EP0032444A1 (en) * | 1980-01-10 | 1981-07-22 | Russell, Burdsall & Ward Corporation | Sealing capped nut and bolt therefor |
| CN2132864Y (en) * | 1992-06-20 | 1993-05-12 | 周魁刚 | Self-riveting nut |
| WO2003022662A1 (en) * | 2001-09-07 | 2003-03-20 | Newfrey Llc | Removable sealing plug for a blind rivet nut |
| DE60202271D1 (en) * | 2001-03-28 | 2005-01-20 | Newfrey Llc | BLIND NUT NUT WITH IMPROVED SEALING BRACKET |
| CN201588861U (en) * | 2009-11-09 | 2010-09-22 | 宁波市镇海合鑫标准件有限公司 | Riveting nut |
| CN202251343U (en) * | 2011-08-18 | 2012-05-30 | 上海锐拓五金制品有限公司 | Riveting piece with high sealing |
| WO2014201815A1 (en) * | 2013-06-18 | 2014-12-24 | 周口市凯旺电子科技有限公司 | Dual waterproof connecting device |
| CN205350343U (en) * | 2016-01-28 | 2016-06-29 | 温州天富机械有限公司 | Nut sealing device |
| CN206368892U (en) * | 2017-01-04 | 2017-08-01 | 温州市强邦实业有限公司 | A kind of combined type cover type nut |
| CN206723237U (en) * | 2017-05-23 | 2017-12-08 | 广东通宇通讯股份有限公司 | A kind of waterproof antenna with screw nail sealing structure |
| CN207191447U (en) * | 2017-08-31 | 2018-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of dismountable fuel tank area lid sealing structure |
| WO2018072564A1 (en) * | 2016-10-18 | 2018-04-26 | 曾广新 | Pipe connection system |
| CN207634490U (en) * | 2017-11-14 | 2018-07-20 | 林崇 | A kind of detachable riveting nut |
| CN108775323A (en) * | 2018-08-14 | 2018-11-09 | 海宁瑞贝特五金制品有限公司 | A kind of slim workpiece carbon steel riveting nut |
| CN208417797U (en) * | 2018-06-29 | 2019-01-22 | 瑞肯耐特流体控制系统（镇江）有限公司 | Tube joint assembly |
| CN109751316A (en) * | 2017-11-03 | 2019-05-14 | 王健琦 | Easy-to-dismount riveting nut |
| CN210371567U (en) * | 2019-05-30 | 2020-04-21 | 浙江洪扬汽车零部件有限公司 | Double-sealing type rivet nut |
-
2019
- 2019-05-30 CN CN201910461262.0A patent/CN110081066B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226431A (en) * | 1978-03-09 | 1980-10-07 | Parker-Hannifin Corporation | Sealing device for screw threads |
| EP0032444A1 (en) * | 1980-01-10 | 1981-07-22 | Russell, Burdsall & Ward Corporation | Sealing capped nut and bolt therefor |
| CN2132864Y (en) * | 1992-06-20 | 1993-05-12 | 周魁刚 | Self-riveting nut |
| DE60202271D1 (en) * | 2001-03-28 | 2005-01-20 | Newfrey Llc | BLIND NUT NUT WITH IMPROVED SEALING BRACKET |
| WO2003022662A1 (en) * | 2001-09-07 | 2003-03-20 | Newfrey Llc | Removable sealing plug for a blind rivet nut |
| CN201588861U (en) * | 2009-11-09 | 2010-09-22 | 宁波市镇海合鑫标准件有限公司 | Riveting nut |
| CN202251343U (en) * | 2011-08-18 | 2012-05-30 | 上海锐拓五金制品有限公司 | Riveting piece with high sealing |
| WO2014201815A1 (en) * | 2013-06-18 | 2014-12-24 | 周口市凯旺电子科技有限公司 | Dual waterproof connecting device |
| CN205350343U (en) * | 2016-01-28 | 2016-06-29 | 温州天富机械有限公司 | Nut sealing device |
| WO2018072564A1 (en) * | 2016-10-18 | 2018-04-26 | 曾广新 | Pipe connection system |
| CN206368892U (en) * | 2017-01-04 | 2017-08-01 | 温州市强邦实业有限公司 | A kind of combined type cover type nut |
| CN206723237U (en) * | 2017-05-23 | 2017-12-08 | 广东通宇通讯股份有限公司 | A kind of waterproof antenna with screw nail sealing structure |
| CN207191447U (en) * | 2017-08-31 | 2018-04-06 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of dismountable fuel tank area lid sealing structure |
| CN109751316A (en) * | 2017-11-03 | 2019-05-14 | 王健琦 | Easy-to-dismount riveting nut |
| CN207634490U (en) * | 2017-11-14 | 2018-07-20 | 林崇 | A kind of detachable riveting nut |
| CN208417797U (en) * | 2018-06-29 | 2019-01-22 | 瑞肯耐特流体控制系统（镇江）有限公司 | Tube joint assembly |
| CN108775323A (en) * | 2018-08-14 | 2018-11-09 | 海宁瑞贝特五金制品有限公司 | A kind of slim workpiece carbon steel riveting nut |
| CN210371567U (en) * | 2019-05-30 | 2020-04-21 | 浙江洪扬汽车零部件有限公司 | Double-sealing type rivet nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110081066A (en) | 2019-08-02 |
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