CN202001469U - Cambered self-locking nut - Google Patents
Cambered self-locking nut Download PDFInfo
- Publication number
- CN202001469U CN202001469U CN2011201264333U CN201120126433U CN202001469U CN 202001469 U CN202001469 U CN 202001469U CN 2011201264333 U CN2011201264333 U CN 2011201264333U CN 201120126433 U CN201120126433 U CN 201120126433U CN 202001469 U CN202001469 U CN 202001469U
- Authority
- CN
- China
- Prior art keywords
- self
- nut
- locking nut
- locking
- cambered
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a cambered self-locking nut, which comprises a nut. The edge of the nut is polygonal; the upper end surface and the lower end surface of the nut are recessed cambered surfaces which are revolution surfaces; the revolution centers of the recessed cambered surfaces are positioned on the axis of a screw hole of the self-locking nut; the revolution surfaces are cylindrical surfaces; the included angle between the axes of the upper cylindrical surface and the lower cylindrical surface ranges from 0 degree to 90 degrees; the polygonal edge is a regular hexagon; and the self-locking nut is made of 65Mn spring steel or tool steel. Locking is realized by elastic deformation of the symmetrically cambered self-locking nut without washers and other accessories, installation and detachment are facilitated, requirements on workers are low, both the upper end surface and the lower end surface are the recessed cambered surfaces, a locking function can be realized by no matter positive installation or reverse installation, and flexibility of the cambered self-locking nut is highlighted.
Description
Technical field
The utility model relates to a kind of engineering nut, especially a kind of cambered surface self-locking nut.
Background technique
The working principle of nut is to adopt the frictional force between the nuts and bolt to carry out self-locking.But the reliability of this self-locking will reduce in dynamic load.We will take some locking measures in some important occasions, guarantee the reliability of nut check.Be exactly wherein a kind of locking measure wherein with locking nut.
It (generally is 2 that existing a kind of locking nut is drilled with the tapped hole that runs through at the outer round surface of nut to interior round thread face, being 90 at periphery distributes), be used for being screwed into the sunk screw of minor diameter, purpose is the power that applies a centripetal direction to screw thread, prevents that locking nut from unclamping.This locking mode is the using method complexity not only, is unfavorable for that the workman installs, and the processing request height, the cost height.Another locking nut adds compression spring, and the compression spring deformation performance is little, is unfavorable for locking.The locking nut that loosens that also has a kind of special use, on the circumference of nut, have 3,4,6 or 8 breach (it is different and different with the manufacturer product line to look the nut size), these several breach are the Point of Strength of tightening tool, are again the places that snaps in of check washer bayonet socket.This locking nut structure is too complicated, production inconvenience and cost height.
Summary of the invention
The utility model has overcome aforesaid the deficiencies in the prior art, and a kind of symmetrical self-locking nut is provided.
Cambered surface self-locking nut comprises nut, and the nut edge is a polygonal, and the nut upper and lower end face is the depression cambered surface, described depression cambered surface is a turning surface, depression cambered surface gyration center is positioned on the self-locking nut screw axis, and turning surface is the cylndrical surface, and the cylndrical surface axis angle is 0 °～90 ° up and down.
Described polygon edge is a regular hexagon.Described self-locking nut material is spring steel or tool steel.Described spring steel is 65Mn.
The utility model is realized locking by the resiliently deformable of symmetrical cambered surface self-locking nut.
In use, plain nut is installed earlier, the cambered surface self-locking nut in the utility model is installed outside plain nut, after tightening, because the depression of cambered surface self-locking nut end face, coupling mechanism force will make self-locking end face generation resiliently deformable, and cambered surface self-locking nut tightens bolt locked.The utility model cambered surface self-locking nut need not packing ring and other accessories, locked by himself resiliently deformable, be convenient to install, the workman is required low, while is convenient to dismounting again, and both ends of the surface are the depression cambered surface up and down in addition, and no matter formal dress is still anti-is adorned, can both realize locking function, give prominence to flexibility of the present utility model; Preferred regular hexagon nut edge, the opening size of its setting tool such as spanner is identical with plain nut, makes the nut setting tool unified, enhances productivity; Preferred 65Mn spring steel material makes the self-locking nut have the certain elastic deformation ability under the prerequisite of intensity satisfying, and can not crack cracking in the course of the work.
Description of drawings
Fig. 1 is the structural representation of cambered surface self-locking nut;
Fig. 2 is that the cylndrical surface axis angle is the side view of 0 ° cambered surface self-locking nut up and down;
Fig. 3 is that the cylndrical surface axis angle is the side view of 90 ° cambered surface self-locking nut up and down.
Embodiment
As described in Fig. 1,2,3, cambered surface self-locking nut comprises nut 1, the nut edge is a polygonal, the nut upper and lower end face is the depression cambered surface, described depression cambered surface is a turning surface, depression cambered surface gyration center is positioned on the self-locking nut screw axis, and turning surface is the cylndrical surface, and the cylndrical surface axis angle is 0 °～90 ° up and down.
Described polygon edge is a regular hexagon.Described self-locking nut material is spring steel or tool steel.Described spring steel is 65Mn.
Orthohexagonal nut edge can make instrument unification in the installation process, and number of tools reduces, and reduces production costs, and enhances productivity.The nut upper and lower end face is easy to process for symmetry depression cylndrical surface makes, and distortion evenly reduces the stress of self-locking nut and concentrates; Symmetry cambered surface self-locking nut material is spring steel 65Mn, can determine that the self-locking nut has the high elasticity performance satisfying under the prerequisite of intensity, utilize its resiliently deformable to realize locking.
Claims (4)
1. cambered surface self-locking nut, it is characterized in that comprising nut (1), the nut edge is a polygonal, the nut upper and lower end face is the depression cambered surface, described depression cambered surface is a turning surface, depression cambered surface gyration center is positioned on the self-locking nut screw axis, and turning surface is the cylndrical surface, and the cylndrical surface axis angle is 0 °～90 ° up and down.
2. a kind of cambered surface self-locking nut as claimed in claim 1 is characterized in that described polygon edge is a regular hexagon.
3. a kind of cambered surface self-locking nut as claimed in claim 1 is characterized in that described self-locking nut material is spring steel or tool steel.
4. a kind of cambered surface self-locking nut as claimed in claim 3 is characterized in that described spring steel is 65Mn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201264333U CN202001469U (en) | 2011-04-27 | 2011-04-27 | Cambered self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201264333U CN202001469U (en) | 2011-04-27 | 2011-04-27 | Cambered self-locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001469U true CN202001469U (en) | 2011-10-05 |
Family
ID=44704212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201264333U Expired - Fee Related CN202001469U (en) | 2011-04-27 | 2011-04-27 | Cambered self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001469U (en) |
-
2011
- 2011-04-27 CN CN2011201264333U patent/CN202001469U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20160427 |