CN209146118U - A kind of plastic workpiece riveting nut - Google Patents
A kind of plastic workpiece riveting nut Download PDFInfo
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- CN209146118U CN209146118U CN201920627624.4U CN201920627624U CN209146118U CN 209146118 U CN209146118 U CN 209146118U CN 201920627624 U CN201920627624 U CN 201920627624U CN 209146118 U CN209146118 U CN 209146118U
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- plastic workpiece
- nut
- lower section
- riveting nut
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Abstract
For overcome the deficiencies in the prior art, the utility model provides a kind of plastic workpiece riveting nut, the design of two sections of hexgonal structures is set with nut, the deformed region of riveting nut is since lower section hexagon after staking, so as to effectively reduce staking deformation to plastic workpiece in diametric stress, the entirety of plastic workpiece riveting nut is T-shaped；Nut head 1 and nut body 2 including hollow cylindrical；The outer peripheral surface of the nut body 2 has upper section 3, lower section 4 and the endpiece 5 axially extended；Big chamber 6 is offered inside the upper end 3, is connected between the upper section 3 and nut head 1 by 7 transition of fillet；It is helicitic texture inside the lower section 4；Pass through slanting 8 transition of entrance chamfering between the lower section 4 and endpiece 5；Due to effectively reducing diametrical direction to the stress of plastic workpiece, the risk of plastic workpiece cracking and deformation after installation is reduced, protection plastic workpiece is from damage.
Description
Technical field
The utility model relates to a kind of riveting nut more particularly to a kind of plastic workpiece riveting nuts.
Background technique
Plastic workpiece is widely used in the fields such as mechanical automotive electronics, especially now with the quick hair of automobile industry
Exhibition, country's requirement more harsh to carbon emission, more and more plastic workpieces are used for each position of automobile, before automobile
End frame, interior trim, front bumper, rear bumper etc., but plastic workpiece in the prior art for adopting when connecting other workpiece more
With in-mould injection nut inserts, processing technology complexity is unfavorable for improving the production efficiency of injection molding, while plastics can not be effectively reduced
The thickness of workpiece can not reduce the weight of workpiece；Also partly plastic workpiece uses the design of riveting nut, but common riveting
Nut is designed for sheet metal mostly, for moulding after being easy to cause installation on plastic workpiece (especially thermoplastic)
Cracking and the deformation for expecting workpiece, cause the damage of plastic workpiece.
Chinese utility model patent is disclosed, publication number: CN203717585U, patent name: riveting nut and plate group
It closes and its riveting nut, the applying date: 20131025, it is combined it discloses a kind of riveting nut with plate and its riveting nut, riveting
Connected nut includes nut head and caulking part, and the outer surface of the caulking part is provided with positioning convex platform.Riveting provided by the utility model
Positioning convex platform is arranged in the outer surface of caulking part, in order to cooperate the setting of positioning convex platform, in the mounting hole of plate in connected nut
Groove is arranged in wall.When riveting nut is installed on plate, caulking part pass through plate on mounting hole, by positioning convex platform with
The cooperation of groove, even if existing between the caulking part of riveting nut provided by the embodiment of the utility model and the mounting hole of plate
When certain gap, also it is possible to prevente effectively from rotation of the riveting nut relative to plate, improves the installation effect of riveting nut.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of plastic workpiece riveting nut, in nut
With it be arranged two sections of hexgonal structures design, after staking the deformed region of riveting nut be since lower section hexagon, from
And can effectively reduce staking deformation to plastic workpiece in diametric stress, opening for plastic workpiece after installation is effectively reduced
It splits and deforms, protection plastic workpiece is from damage.
To realize following technical solution that the utility model is taken:
A kind of plastic workpiece riveting nut, the entirety of plastic workpiece riveting nut are T-shaped；Including hollow cylindrical
Nut head 1 and nut body 2；
The outer peripheral surface of the nut body 2 has upper section 3, lower section 4 and the endpiece 5 axially extended；
Big chamber 6 is offered inside the upper end 3, is connected between the upper section 3 and nut head 1 by 7 transition of fillet；
It is helicitic texture inside the lower section 4；
Pass through slanting 8 transition of entrance chamfering between the lower section 4 and endpiece 5.
Preferably, hexgonal structure is set outside the upper section 3.
Preferably, hexagonal structure is set outside the lower section 4.
Preferably, the inclined angle alpha of the entrance chamfering 8 is controlled in 10-35 degree.
Preferably, the outside of the upper section 3 is set as hexagon or cylinder.
Preferably, 4 external structure of lower section is matched with 3 external structure of upper section；The 4 outside hexagon knot of lower section
The side length of structure is less than the side length of the 3 outside hexagonal structure of upper end.
Preferably, the plastic workpiece with riveting nut using full cold-heading material, stainless steel, aluminium or copper at.
The utility model has the beneficial effects that: two sections hexagon is arranged in the utility model on nut body 2, and
The hexagonal opposite side size of lower section hexgonal structure is less than the hexagonal opposite side of upper section hexgonal structure；The inside of lower section streamline structure
Two sections can be divided into again, internal upper section is cylindrical big chamber 6, and internal lower section is helicitic texture, and cylindrical 6 diameter of big chamber is big
In the outer diameter of screw thread.When riveting nut staking to be installed in plastic workpiece, due to the hexagonal opposite side of 3 hexgonal structure of upper section
Bigger, structure is strongr, so the deformed region of rivet nut can (i.e. internal be cylindrical from the upper section of lower section hexgonal structure
Big chamber) start.Since 3 hexagonal structure of upper section will not deform, so being had in stress of the diametrical direction to plastic workpiece
Effect reduces, and what deformed region was formed, which heave, 10 can be very good the surface for the other side for being pressed in plastic workpiece, answers in axial pressure
Riveting nut is riveted in plastic workpiece by power.Due to effectively reducing diametrical direction to the stress of plastic workpiece, peace is reduced
The risk of plastic workpiece cracking and deformation after dress, protection plastic workpiece is from damage.
Detailed description of the invention
Fig. 1-A is the top view of the application；
Fig. 1-B is the main view of the application；
Fig. 2 is the application axonometric drawing；
Fig. 3 is schematic diagram after staking；
Fig. 4 is the stress schematic diagram after riveting nut staking；
In figure,
1, nut head；2, nut body；3, upper section；4, lower section；5, endpiece；6, big chamber；7, fillet；8, entrance chamfering；9, plate
Material；10, it heaves；11, complex conditions parts of plastics；12, complex conditions metal part.
Specific embodiment
With reference to the accompanying drawing to this it is practical be described in detail, the description of this part be only it is exemplary and explanatory, do not answer
There is any restriction effect to the protection scope of the utility model.
Embodiment one:
The utility model provides a kind of plastic workpiece riveting nut, and the entirety of plastic workpiece riveting nut is T-shaped；Packet
Include the nut head 1 and nut body 2 of hollow cylindrical；Smooth nut head 1 is conducive to 1 He of nut head of riveting nut after mounting
The good contact of plastic workpiece, and destructive stress breach will not be formed in plastic workpiece, bigger nut head 1 also has
Conducive to pressure is reduced, the risk of plastic deformation is reduced；
The outer peripheral surface of the nut body 2 has upper section 3, lower section 4 and the endpiece 5 axially extended；
Big chamber 6 is offered inside upper section 3, is connected between upper section and nut head 1 by 7 transition of fillet, and knuckle 7 is advantageous
In the cold-heading machine-shaping of product, the service life of cold upsetting die of car is provided；
Upper section inside lower section 4 is cylindrical big chamber (consistent with the big chamber in the inside of upper section hexgonal structure), in lower section 4
The lower section in portion is helicitic texture；And the hexagonal opposite side size of lower section hexagonal structure is less than upper section hexagonal structure.Due to upper
The hexagonal opposite side of 3 hexgonal structures of section is bigger, and structure is strongr, so 3 hexagonal structure of upper section is not in rivet nut installation
It can deform；3 hexagonal structure of upper section is indeformable, so will not generate diametric stress in upper section 3.
The helicitic texture of 4 inside lower section of lower section can riveting nut be riveted in plastic workpiece after entire workpiece with
Other workpiece are connected.
Pass through slanting 8 transition of entrance chamfering between the lower section 4 and endpiece 5.
It is preferred in the present embodiment, hexgonal structure is set outside the upper section 3.Riveting nut is in plastics after preventing installation
Rotation in workpiece.
It is preferred in the present embodiment, hexagonal structure is set outside the lower section 4.
As shown in Figs 1-4, the height of 3 hexagonal structure of upper section should be equal to or the grip of slightly below plastic workpiece.
When riveting nut staking to be installed in plastic workpiece, since the hexagonal opposite side of 3 hexgonal structure of upper section is bigger, structure is stronger
It is strong, so the deformed region of rivet nut can be since the upper section (i.e. internal for cylindrical big chamber) of 4 hexgonal structure of lower section.
Since 3 hexagonal structure of upper section will not deform and the height of upper section hexagonal structure is equal to or slightly greater than the riveting of plastic workpiece
Thickness is connect, so be effectively reduced in stress of the diametrical direction to plastic workpiece, what deformed region was formed heave 10 can be very
The surface of the good other side for being pressed in plastic workpiece.
When riveting nut staking is installed in plastic workpiece, radial stress (horizontal direction haircut institute to the left in Fig. 4
Show) it is axial compression the main reason for causing plastic workpiece to crack and deform (in Fig. 4 shown in the upward haircut of vertical direction)
It is our needs, riveting nut is riveted in plastic workpiece by axial compression.Due to effectively reducing diametrical direction pair
The stress of plastic workpiece also just reduces the risk of plastic workpiece cracking and deformation after installation, and protection plastic workpiece is from damage.
6 depth of big chamber inside nut body 2 should be deep as far as possible in the case where guaranteeing to rivet effect, to deform in staking
The bigger pressure heaved 10, reduce to plastic workpiece is formed afterwards, reduces the deformation of plastic workpiece.
Preferred in the present embodiment, the inclined angle alpha of the entrance chamfering 8 is controlled in 10-35 degree.If taking manual installation
Mode generally takes 15 degree of entrance chamferings.
The utility model relates to riveting nut can be not only used for pure plastic workpiece, can be also used for plastics and add metal
Complex conditions (as shown in Fig. 3 left part).Under complex conditions, it is desired to which the parts of plastics 11 of complex conditions is close to riveting nut
Nut head 1, the metal parts 12 of complex conditions heaves 10 side in riveting.Under complex conditions, which can
The overall thickness of riveting, that is, plastic workpiece thickness is plus metal works thickness can be thicker than the thickness of pure plastic workpiece, that is,
It says and bigger grip may be implemented.
Preferred in the present embodiment, the outside of the upper section 3 is set as hexagon or cylinder.
Preferred in the present embodiment, 4 external structure of lower section is matched with 3 external structure of upper section；Outside the lower section 4
The side length of portion's hexagonal structure is less than the side length of the 3 outside hexagonal structure of upper end.
Preferred in the present embodiment, the plastic workpiece uses full cold-heading material, stainless steel, aluminium or copper with riveting nut
At.It can also be formed with turning, but the molding cost of turning can be relatively high.
Embodiment two:
The present embodiment and the principle of embodiment one are essentially identical, the difference is that: the upper section 3 also can be set in circle
When column construction outside upper section 3 is cylindrical structure, it is perpendicular that upper section 3 can be set to cylindrical structure or cylindrical structure band
Line annular knurl.Cylindrical structure outside upper section 3 can equally reduce the risk of plastic workpiece deformation and cracking, only rivet spiral shell
Anti-rotation ability after mother's installation is lower than above-mentioned hexagonal structure.
It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
Above-described the utility model embodiment, does not constitute the restriction to scope of protection of the utility model.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (7)
1. a kind of plastic workpiece riveting nut, the entirety of plastic workpiece riveting nut are T-shaped；Spiral shell including hollow cylindrical
Female (1) and nut body (2)；
It is characterized in that,
The outer peripheral surface of the nut body (2) has upper section (3), lower section (4) and the endpiece (5) axially extended；
It offers big chamber (6) inside the upper end (3), is connected between the upper section (3) and nut head (1) by fillet (7) transition
It connects；
It is helicitic texture inside the lower section (4)；
Pass through slanting entrance chamfering (8) transition between the lower section (4) and endpiece (5).
2. a kind of plastic workpiece riveting nut according to claim 1, which is characterized in that set outside the upper section (3)
Set hexgonal structure.
3. a kind of plastic workpiece riveting nut according to claim 2, which is characterized in that set outside the lower section (4)
Set hexagonal structure.
4. a kind of plastic workpiece riveting nut according to claim 3, which is characterized in that the entrance chamfering (8)
Inclined angle alpha is controlled in 10-35 degree.
5. a kind of plastic workpiece riveting nut according to claim 4, which is characterized in that the outside of the upper section (3)
It is set as hexagon or cylinder.
6. a kind of plastic workpiece riveting nut according to claim 5, which is characterized in that knot outside the lower section (4)
Structure is matched with the upper section (3) external structure；The side length of the external hexagonal structure of the lower section (4) is less than the upper end (3) outside
The side length of portion's hexagonal structure.
7. a kind of plastic workpiece riveting nut according to claim 6, which is characterized in that the plastic workpiece riveting
Nut using full cold-heading material, stainless steel, aluminium or copper at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627624.4U CN209146118U (en) | 2019-05-05 | 2019-05-05 | A kind of plastic workpiece riveting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627624.4U CN209146118U (en) | 2019-05-05 | 2019-05-05 | A kind of plastic workpiece riveting nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146118U true CN209146118U (en) | 2019-07-23 |
Family
ID=67291762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920627624.4U Active CN209146118U (en) | 2019-05-05 | 2019-05-05 | A kind of plastic workpiece riveting nut |
Country Status (1)
| Country | Link |
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| CN (1) | CN209146118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687370A (en) * | 2020-06-22 | 2020-09-22 | 浙江明泰控股发展股份有限公司 | Forming process and forming device of cap nut |
-
2019
- 2019-05-05 CN CN201920627624.4U patent/CN209146118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687370A (en) * | 2020-06-22 | 2020-09-22 | 浙江明泰控股发展股份有限公司 | Forming process and forming device of cap nut |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 214000 plot 20-22, Baode Industrial Park, Wuxi National High tech Industrial Development Zone, Wuxi City, Jiangsu Province Patentee after: Borhoff (China) Fastener Co., Ltd Address before: Block 20-22 of Baode Industrial Park, National High-tech Industrial Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee before: Bolhoff (Wuxi) Fasteners Co., Ltd. |