CN107061468A - A kind of waterproof self-clinching nut - Google Patents
A kind of waterproof self-clinching nut Download PDFInfo
- Publication number
- CN107061468A CN107061468A CN201710238256.XA CN201710238256A CN107061468A CN 107061468 A CN107061468 A CN 107061468A CN 201710238256 A CN201710238256 A CN 201710238256A CN 107061468 A CN107061468 A CN 107061468A
- Authority
- CN
- China
- Prior art keywords
- nut
- waterproof self
- annular boss
- solid
- sealing
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000007787 solid Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052802 copper Inorganic materials 0.000 abstract description 6
- 239000010949 copper Substances 0.000 abstract description 6
- 239000004411 aluminium Substances 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000000565 sealant Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 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
Abstract
The present invention relates to a kind of waterproof self-clinching nut.A kind of waterproof self-clinching nut, including nut body 1 and the annular boss 2 for being arranged on the top of nut body 1.Nut body 1 and annular boss 2 have the internal thread hole 3 of up/down perforation.The alternate dentation sealing solid 4 of multiple convex-concaves is provided with the upper end of nut body 1, described multiple dentations seal solid 4, and outwards concentric arrangement is set successively from the periphery of annular boss 2.Multiple dentations sealing solid 4 in annular and concentric with the ring heart of annular boss 2.The tooth form of dentation sealing solid 4 is trapezoidal.Solid is sealed using multiple concentric dentations are set in nut body upper end so that waterproof self-clinching nut can form the structure of class labyrinth seal with base material when being fastenedly connected with base material, and then can obtain preferable waterproof effect, meet use demand.The sealing fastening between waterproof self-clinching nut and base material is can be achieved with without other auxiliary sealing members such as sealing ring, fluid sealant, aluminium/copper sheathings, using simple.
Description
Technical field
The invention belongs to technical field of fastening, and in particular to a kind of waterproof self-clinching nut.
Background technology
Fastener is exactly to fasten when two or more parts (or component) are fastenedly connected as an entirety to be used
A class machine components general name.Wherein, self-fastening class fastener is easy to assembly because quick, efficient, reliable with installing, high
Push away, draw, turning round performance, suitable material scope is wide and the connection of sheet metal component is widely used in the advantages of specification series
In.
Nut is used as the most widely used class fastener.With being continually changing and sending out using scope and use environment
Exhibition, more demands are it is also proposed to nut.Particularly some occasions need nut to have the function of waterproof sealing.Existing spiral shell
The mode of mother's sealing waterproof substantially has following several types：
1. by coating fluid sealant in nut and fastening parts junction；
2. sealed by the interference fit riveting of nut and part；
3. it is spirally connected sealing by the interference engagement of nut and part；
4. riveted by encrypting sealing rubber ring between nut and part；
5. by encrypting being spirally connected for sealing rubber ring between nut and part；
6. by adding fine aluminium/copper sheathing between nut and part（Piece, pad）Riveting；
7. by adding fine aluminium/copper sheathing between nut and part（Piece, pad）Be spirally connected；
8. more than mixing sealing.
The mode of these existing nut seal waterproofs has the disadvantages that：
1. coat fluid sealant：Tedious process, construction are complicated, and working condition is poor, efficiency is low, quality of connection is unstable etc..
2. interference engagement：Hole and with axle its difficulty of processing that hole coordinates is big, efficiency is low, assembling quality requirement is high.
3. encrypt sealing rubber ring：Cost is high, efficiency is low, assembling quality requirement is high, be limited to operating temperature.
4. add fine aluminium/copper sheathing：The difficulty of processing of part is big, efficiency is low, assembling quality requirement is high.
, at present can not also be according to GB4208 in these existing modes《Shell protection grade（IP codes）》And IEC60529
Standard is required to meet certain classification of waterproof and waterproof effect.
The content of the invention
Pressed the technical problem to be solved in the present invention is to provide a kind of waterproof simple in construction, connecting reliable, good waterproof performance
Nut.
In order to solve the above-mentioned technical problem, a kind of technical scheme for using of the present invention is：A kind of waterproof self-clinching nut, including
Nut body and the annular boss for being arranged on nut body top.It is provided with the nut body upper end multiple raised
Dentation seals solid, and described multiple dentations seal solid, and from annular boss periphery, outwards concentric arrangement is set successively.
Specifically, described multiple dentations sealing solid is in annular and concentric with the ring heart of annular boss.
It is preferred that, the edge of the nut body upper end is circumferentially additionally provided with the flange of the ring seal of projection,
The flange has been evenly distributed multiple lock teeth, and the lock tooth is radially extended and towards the direction of annular boss along flange.
Further, the height of the flange seals the height of solid higher than dentation.
Further, the flange and dentation sealing solid are concentric.
Specifically, the tooth form of the dentation sealing solid is trapezoidal.
Specifically, the nut body and annular boss have the internal thread hole of up/down perforation.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while should also contain
Lid other technical schemes as formed by being combined above-mentioned technical characteristic or its equivalent feature.Such as features described above and sheet
Disclosed in application（But it is not limited to）Technical characteristic with similar functions carries out technical scheme etc. formed by replacement mutually.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Using in nut body
Multiple concentric dentation sealing solids are set in upper end so that waterproof self-clinching nut with base material when being fastenedly connected, energy
The structure of enough and base material formation class labyrinth seal, and then preferable waterproof effect can be obtained, meet use demand.Waterproof presses
The processing technology of nut is good, simple production process, and simple in construction, versatility is good, without sealing ring, fluid sealant, aluminium/copper sheathing etc.
Other auxiliary sealing members can be achieved with the sealing fastening between waterproof self-clinching nut and base material, using simple, efficient, energy saving, environmental protection.
Connection is efficiently, reliably.
Brief description of the drawings
Fig. 1 is the top view of waterproof self-clinching nut of the present invention；
Fig. 2 is waterproof self-clinching nut half sectional view of the present invention；
Fig. 3 is the close-up schematic view at Fig. 2 A；
Wherein：1st, nut body；2nd, annular boss；3rd, internal thread hole；4th, dentation sealing solid；5th, flange；51st, tooth is locked；
100th, waterproof self-clinching nut.
Embodiment
As shown in Figure 1 to Figure 3, a kind of waterproof self-clinching nut, including nut body 1 and it is arranged on the top of nut body 1
Annular boss 2.The nut body 1 and annular boss 2 have the internal thread hole 3 of up/down perforation.The top of nut body 1
Multiple raised dentation sealing solids 4 are provided with end face, described multiple dentations seal solid 4 from outside annular boss 2
It is all that outwards concentric arrangement is set successively.Described multiple dentations sealing solid 4 is in annular and same with the ring heart of annular boss 2
The heart.The tooth form of the dentation sealing solid 4 is trapezoidal.
The edge of the upper end of nut body 1 is circumferentially additionally provided with convex described in the flange 5. of the ring seal of projection
Edge 5 has been evenly distributed multiple lock teeth 51, and the lock tooth 51 is radially extended and towards the direction of annular boss 2 along flange 5.Institute
State flange 5 and dentation sealing solid 4 is concentric.The height of the flange 5 seals the height of solid 4 higher than dentation.
Waterproof self-clinching nut described in the present embodiment can be used in being fastenedly connected between sheet metal component type component.User
Method is as described below：
1st, opened up out and coordinated with annular boss 2 by techniques such as punching presses on the base material for coordinating fastening with waterproof self-clinching nut 100
Through hole.
2nd, the annular boss 2 of waterproof self-clinching nut 100 is directed at unthreaded hole insertion, nut body 1 is supported on substrate surface.
3rd, waterproof self-clinching nut is pressed by way of pressurization at nut body 1 and be fixed on base material, the table of base material
Face compressive deformation formation seals the surface that solid 4 and flange 5 coordinate with dentation.
After above-mentioned tightening operation, multiple dentations sealing solids 4 form similar labyrinth seal on base material
Structure, substantially increases the sealing of waterproof self-clinching nut 100, can effectively meet the requirement of water proofing property.
Because the lock setting of tooth 51 of flange 5 can prevent waterproof self-clinching nut 100 in use between base material
Mutual rotation, while realizing self-fastening of the nut body 1 on base material.Base material and waterproof self-clinching nut can effectively be prevented
100 nut body 1 is because certain reason occurs to loosen so as to cause infiltration.So, waterproof 100 and base material realize efficiently, can
By connection, the component after connection can bear excellent the mechanical load such as push away, draw, turning round, cutting.
And because the height of the flange 5 seals the height of solid 4 higher than dentation so that water resistance is further carried
Rise.
The present invention can be achieved with connection without special frock, and mounting process is simple, efficient.In certain pressure and one
Impulse stroke realizes connection, with high antitorque, anti-release performance.
The present invention is applied to the sheet metals such as steel, stainless steel, copper, aluminium alloy.Usually, the hardness of waterproof self-clinching nut will
More than the hardness of base material.
It is referred to above to the inferior noun of locality upper all around, be when the waterproof self-clinching nut normal is used
Make what is defined in orientation.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the technological thought license of the present invention
Change and implementation.
Claims (7)
1. a kind of waterproof self-clinching nut, including nut body（1）Be arranged on nut body（1）The annular boss on top（2）, its
It is characterised by：The nut body（1）Multiple raised dentation sealing solids are provided with upper end（4）, described is more
Individual dentation seals solid（4）From annular boss（2）Outwards concentric arrangement is set successively for periphery.
2. a kind of waterproof self-clinching nut according to claim 1, it is characterised in that：Described multiple dentations sealing solid
（4）In annular and and annular boss（2）Ring heart it is concentric.
3. a kind of waterproof self-clinching nut according to claim 1, it is characterised in that：The nut body（1）Upper end
Edge be circumferentially additionally provided with projection ring seal flange（5）, the flange（5）It has been evenly distributed multiple lock teeth
（51）, the lock tooth（51）Along flange（5）Radially extend and towards annular boss（2）Direction.
4. a kind of waterproof self-clinching nut according to claim 3, it is characterised in that：The flange（5）Height be higher than tooth
Shape seals solid（4）Height.
5. a kind of waterproof self-clinching nut according to claim 3, it is characterised in that：The flange（5）Seal several with dentation
He Ti（4）With one heart.
6. a kind of waterproof self-clinching nut according to claim 1, it is characterised in that：The dentation seals solid（4）'s
Tooth form is trapezoidal.
7. a kind of waterproof self-clinching nut according to claim 1, it is characterised in that：The nut body（1）And annular
Boss（2）Internal thread hole with up/down perforation（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238256.XA CN107061468B (en) | 2017-04-13 | 2017-04-13 | Waterproof pressure riveting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238256.XA CN107061468B (en) | 2017-04-13 | 2017-04-13 | Waterproof pressure riveting nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061468A true CN107061468A (en) | 2017-08-18 |
| CN107061468B CN107061468B (en) | 2021-01-15 |
Family
ID=59599440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238256.XA Active CN107061468B (en) | 2017-04-13 | 2017-04-13 | Waterproof pressure riveting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061468B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080193254A1 (en) * | 2007-02-09 | 2008-08-14 | Stephen Selle | Fastener |
| CN201593546U (en) * | 2009-12-14 | 2010-09-29 | 贵州航太管路制造有限公司 | Self-locking flare-in nut |
| CN203404372U (en) * | 2013-08-23 | 2014-01-22 | 温州司太立合金焊接有限公司 | Metal sealing ring |
| CN103851056A (en) * | 2012-12-06 | 2014-06-11 | 株式会社青山制作所 | Penetrated screw nut |
| CN104024662A (en) * | 2012-08-27 | 2014-09-03 | 株式会社青山制作所 | Pierce nut for high-strength steel sheet |
| CN204900489U (en) * | 2015-06-29 | 2015-12-23 | 欧阳辰坤 | Press in nut |
| CN105626657A (en) * | 2014-10-28 | 2016-06-01 | 上海汽车集团股份有限公司 | Rivet nut |
| 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 |
| CN206608444U (en) * | 2017-04-13 | 2017-11-03 | 宾科精密部件(中国)有限公司 | A kind of waterproof self-clinching nut |
-
2017
- 2017-04-13 CN CN201710238256.XA patent/CN107061468B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080193254A1 (en) * | 2007-02-09 | 2008-08-14 | Stephen Selle | Fastener |
| CN201593546U (en) * | 2009-12-14 | 2010-09-29 | 贵州航太管路制造有限公司 | Self-locking flare-in nut |
| CN104024662A (en) * | 2012-08-27 | 2014-09-03 | 株式会社青山制作所 | Pierce nut for high-strength steel sheet |
| CN103851056A (en) * | 2012-12-06 | 2014-06-11 | 株式会社青山制作所 | Penetrated screw nut |
| CN203404372U (en) * | 2013-08-23 | 2014-01-22 | 温州司太立合金焊接有限公司 | Metal sealing ring |
| CN105626657A (en) * | 2014-10-28 | 2016-06-01 | 上海汽车集团股份有限公司 | Rivet nut |
| CN204900489U (en) * | 2015-06-29 | 2015-12-23 | 欧阳辰坤 | Press in nut |
| 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 |
| CN206608444U (en) * | 2017-04-13 | 2017-11-03 | 宾科精密部件(中国)有限公司 | A kind of waterproof self-clinching nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107061468B (en) | 2021-01-15 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |