CN205401393U - Stop nut - Google Patents
Stop nut Download PDFInfo
- Publication number
- CN205401393U CN205401393U CN201620134662.2U CN201620134662U CN205401393U CN 205401393 U CN205401393 U CN 205401393U CN 201620134662 U CN201620134662 U CN 201620134662U CN 205401393 U CN205401393 U CN 205401393U
- Authority
- CN
- China
- Prior art keywords
- nut
- nut body
- stop
- centrage
- flange
- 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.)
- Withdrawn - After Issue
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- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model discloses a stop nut has the nut body, wherein: the internal thread central line and the nut body central line contained angle of nut body are 0.5~10, the big footpath of internal screw thread, pitch diameter and the path of nut body and corresponding country indicate reducing of 0.01~1mm, the nut body compress tightly the side have within the circle be 0.3~6 toper bottom surface for starting point inclination. Compared with the prior art, simple structure, light in weight, simple to operate, manufacturing process is simple and convenient, has the locking function in two rank, can effectively subduct the nut because of the vibration, to strike moving back soon of leading to not hard up.
Description
Technical field
This utility model belongs to connection technical field of fastening, more particularly, it relates to a kind of stop nut adapting to vibration, shock loading fastening.
Background technology
Nut is the connection securing member that mechanical field is the most frequently used, the nut generally used is common standard securing member mostly, impacting, shaking or under the effect of heavy load, frictional force between screw thread pair is gradually reduced or pop-off, thus occurring that threaded rotation is moved back loosening, even securing member comes off, loses, and plant equipment thus can be made to break down.Under a lot of occasions, people can use stop nut to replace common standard nut at present, in case loosening occurs in the process that equipment availability runs in nut causes significant trouble.But the self-locking type stop nut structure that currently uses is complicated, processing time consuming is required great effort, and waste of raw materials amount is big, and nut is fastenedly connected that operation is many, speed slow, maintenance dismounting difficulty, it is impossible to recycling.Prior art has a kind of double polarizing keys stop nut, the use of this double polarizing keys stop nut can increase the launch weights such as sports equipment aviation, navigation, railway, battlebus, increase use cost, it is more costly to manufacture, on double polarizing keys stop nut, lower nut installation requirement torsional forces is different, operative employee's slightly deviation anti-loosing effect easily goes wrong, and installation procedure points for attention are many, during installation fee.
Summary of the invention
For solving existing stop nut manufacture, installing the drawbacks described above existed, the purpose of this utility model is in that to provide a kind of simple in construction, lightweight, easy for installation, the stop nut that manufacturing process is easy.This stop nut has double; two rank locking functions: the tight mesh screw thread pair frictional force that 1. screw thread cambered surface symmetrical above and below closely interlocks, and effectively decomposes nut and produces radial force and normal axis power because of vibration.2. strong malleable stress bent by the conical surface bottom nut flange, forms the lifting tension force of nut nature normal direction.Above-mentioned functions can effectively be cut down nut and be moved back loosening because vibrating, impact the rotation caused.
For achieving the above object, the technical solution adopted in the utility model: this stop nut, there is nut body, it is characterized in that: the female thread centrage of described nut body and nut body centerlines are 0.5～10 °, the big footpath of the female thread of described nut body, central diameter and path and corresponding country indicate the reduction of 0.01～1mm, and the compression side of described nut body has with inner circle for starting point angle of inclination for 0.3~The taper bottom surface of 6 °.
Described nut body female thread centrage and nut body centrage cross point are positioned at the middle section position of height of nut.
Preferably, the female thread centrage of described nut body and nut body centrage cross point are positioned at the center of nut thread height.
As further improvement, the outside of described taper bottom surface has flange flange.
The diameter of described flange flange is equal to or more than the radial direction full-size of described nut body.
Adopting the beneficial effect of technique scheme: the nut body of this stop nut, the thread center's line forming nut is 0.5～10 ° with the misaligned angle of nut body centrage.The big footpath of the female thread of described nut body, central diameter and path and corresponding country indicate the reduction of 0.01～1mm, it is therefore an objective to closely cooperate between nut thread and bolt thread.The design of special flange is done in the bottom of described stop nut, and the design of outer, bottom has planar annular, and the nut design of different size unlike material has with inner circle for starting point angle of inclination for 0.3~The taper bottom surface of 6 °.The structure of flange flange can increase nut body end radial force intensity, it is to avoid nut body end thread when tightening because of problem that stress deformation and bolt thread can not tightly engage.
In the process that stop nut is tightened, nut is with initial contact point for fulcrum, with the engagement of helix of thread for guiding, different size nut is by the torsional forces pretension process of GB, bottom nut flange, the circumferential plane of outer contacts laminating with workpiece faying face, now two sections of cambered surface screw thread radial clearances symmetrical above and below of nut and bolt, eliminate under thread center's line tilting action and engage zero-clearance, add the radial force of nut two sections of cambered surface screw threads symmetrical above and below and axial load, and then decomposed nut vibrated time normal axis power, add between screw bolt and nut screw thread pays simultaneously, screw thread cambered surface symmetrical above and below tightly engages the frictional force of interlocking, it is possible to prevent nut because of vibration, impact rotation and move back loosening.
After the circumferential plane of stop nut flange base outer contacts laminating with workpiece faying face, pretension is continued under the torsional forces of national regulations, pretightning force makes the in the wrong strong malleable stress of the conical surface bottom nut flange launch to fit completely with workpiece faying face, form nut and keep the lifting tension force of nature normal direction, increase the elastic pre-tight stress that nut is axial with bolt, secure component is when vibration, impact, dynamic loading fluctuation, the in the wrong strong malleable stress of this stop nut remains in that the axial pre tightening force of nut is constant, it is possible to prevent nut loosening rotation from moving back.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 is the structural representation of this utility model stop nut；
Fig. 2 is the structural representation of flanged stop nut；
When Fig. 3 is stop nut assembling, base flange plane is initial and schematic diagram during absorption surface；
Fig. 4 is the structural representation after stop nut pretension；
Fig. 5 is the external form figure of the stop nut of corresponding diagram 1；
Fig. 6 is the external form figure of the stop nut of corresponding diagram 2.
Detailed description of the invention
High impact loads stop nut as shown in Fig. 1,2,3,4,5,6, has nut body 1, and described nut body has female thread 2, and female thread centrage 5 and nut body centrage 6 angle are 0.5~10 °, the thread center's line forming nut is misaligned with nut body centrage, and described nut body female thread centrage 5 and nut body centrage 6 cross point are positioned at the middle section position of height of nut.Preferably, the female thread centrage 5 of described nut body and nut body centrage 6 cross point are positioned at the center 7 of nut thread height.The initial contact point making the nut bottom of nut body is 0.5 with workpiece 9 angle~10°.The compression side of described nut body has with inner circle for starting point angle of inclination for 0.3~The taper bottom surface 4 of 6 °, when tightening, under the effect of pretightning force, makes conical bottom facial disfigurement and tightly begins to connect to against workpiece 9.The big footpath of female thread, central diameter and path reduce 0.01～1mm than the big footpath of the bolt meeting national standard of corresponding cooperation, central diameter and path size, the big footpath central diameter of described stop nut screw thread and the reduction of path Bolt sizes corresponding to GB, it is therefore an objective to closely cooperate between female thread and the bolt thread of nut body.As in figure 2 it is shown, the outside of described taper bottom surface 4 has flange flange 3.The diameter of described flange flange is equal to or more than the radial direction full-size of described nut body.
Shown in Fig. 4 in the process that stop nut is tightened, nut is with initial contact point for fulcrum, with the engagement of helix of thread for guiding, different size nut is by the torsional forces pretension process of GB, baseplane, nut flange outer contacts with workpiece planarization, now two sections of cambered surface radial clearances symmetrical above and below of nut and bolt 8, eliminate under thread center's line tilting action and engage zero-clearance, add the radial force of nut two sections of cambered surfaces symmetrical above and below, and then decomposed the normal axis power that nut is vibrated, add cambered surface symmetrical above and below between screw thread simultaneously and tightly engage the frictional force of interlocking, prevent nut from moving back loosening because of vibration rotation.
After the baseplane of stop nut flange outer contacts with workpiece planarization, pretension is continued under the torsional forces of national regulations, pretightning force makes the bottom conical surface launch to fit completely with workpiece 9 plane, form nut and keep the lifting tension force of nature normal direction, increase the elastic pre-tight stress that nut is axial, secure component is when vibration, impact, dynamic loading fluctuation, and the in the wrong strong malleable stress that this stop nut flange conical surface launches remains in that the axial pre tightening force of nut is constant, it is possible to prevent nut loosening rotation from moving back.
This utility model stop nut is illustrated by accompanying drawing, when without departing from this utility model scope, this utility model patent can also be carried out various conversion and equivalent replacement, therefore, this utility model patent is not limited to disclosed specific implementation process, and should include falling into the whole embodiments within the scope of this utility model stop nut Patent right requirement.
Claims (5)
1. a stop nut, there is nut body, it is characterized in that: the female thread centrage of described nut body and nut body centerlines are 0.5～10 °, the big footpath of the female thread of described nut body, central diameter and path and corresponding country indicate the reduction of 0.01～1mm, and the side that compresses of described nut body has with inner circle for taper bottom surface that starting point angle of inclination is 0.3～6 °.
2. stop nut as claimed in claim 1, it is characterised in that: described nut body female thread centrage and nut body centrage cross point are positioned at the middle section position of height of nut.
3. stop nut as claimed in claim 1, it is characterised in that: the female thread centrage of described nut body and nut body centrage cross point are positioned at the center of nut thread height.
4. the stop nut as described in claim 1-3 any one claim, it is characterised in that: the outside of described taper bottom surface has flange flange.
5. stop nut as claimed in claim 4, it is characterised in that: the diameter of described flange flange is equal to or more than the radial direction full-size of described nut body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134662.2U CN205401393U (en) | 2016-02-23 | 2016-02-23 | Stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134662.2U CN205401393U (en) | 2016-02-23 | 2016-02-23 | Stop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401393U true CN205401393U (en) | 2016-07-27 |
Family
ID=56445538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620134662.2U Withdrawn - After Issue CN205401393U (en) | 2016-02-23 | 2016-02-23 | Stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570269A (en) * | 2016-02-23 | 2016-05-11 | 孟周强 | Lock nut |
| CN109519461A (en) * | 2019-01-16 | 2019-03-26 | 山东理工大学 | A kind of antivibration check bolt nut assembly |
-
2016
- 2016-02-23 CN CN201620134662.2U patent/CN205401393U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570269A (en) * | 2016-02-23 | 2016-05-11 | 孟周强 | Lock nut |
| CN109519461A (en) * | 2019-01-16 | 2019-03-26 | 山东理工大学 | A kind of antivibration check bolt nut assembly |
| CN109519461B (en) * | 2019-01-16 | 2024-04-05 | 山东理工大学 | Anti-vibration lockbolt and nut assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20180403 |