CN207297580U - Conical surface stop nut - Google Patents
Conical surface stop nut Download PDFInfo
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- CN207297580U CN207297580U CN201720331142.5U CN201720331142U CN207297580U CN 207297580 U CN207297580 U CN 207297580U CN 201720331142 U CN201720331142 U CN 201720331142U CN 207297580 U CN207297580 U CN 207297580U
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- screw thread
- conical surface
- nut
- nut body
- enveloping
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Abstract
A kind of conical surface stop nut, including nut body, the nut body has first end and second end vertically, the internal face of the nut body is equipped with screw thread, the screw thread is conical surface screw thread, and the conical surface screw thread is configured so that the nut body is more than the screw thread conical surface opening in the second end in the screw thread conical surface opening of the first end.Due to the special construction of conical surface screw thread, nut inner thread itself can produce interference volume with the external screw thread on axis or bolt, play the role of Anti-loosen stop.
Description
Technical field
A kind of nut is the utility model is related to, more particularly to a kind of stop nut.
Background technology
At present, nut is widely used in various occasions, and thing followed nut pine moves back problem and also becomes increasingly conspicuous.Now such as
The present, the mode of common nut anti-looseness substantially have following several：
1st, using spring washer；
2nd, using stopping shim；
3rd, torsion is beaten；
Wherein, the anti-loose ability of spring washer is poor, and for a long time, plastic deformation, lost its bounce can occur for spring washer, so as to lose
Remove locking functions.Stopping shim anti-loosing effect is best, but stopping shim is disposable, if equipment is because maintenance etc.
Reason is needed if dismantling, and must just replace stopping shim, therefore be not easy to dismount.It is good compared with spring washer to beat torsion anti-loosing effect, but
Be need to apply larger torsion using plain nut could be locking, be unfavorable for dismounting and axial stress be larger, to screw strength
It is more demanding.
, may be due to processing if be interference fitted in addition, the screw thread of conventional nut is used with the external screw thread of axis or bolt
The problems such as precision, causes local interference volume too big, causes to produce stuck phenomenon in disassembly process.
Utility model content
In view of this, at least one stop nut set forth above is solved the problems, such as the utility model proposes a kind of.
A kind of stop nut, including nut body, the nut body has first end and second end vertically, described
The internal face of nut body is equipped with screw thread, and the screw thread is conical surface screw thread, and the conical surface screw thread is configured so that the nut
Body is more than the screw thread conical surface opening in the second end in the screw thread conical surface opening of the first end.
In one embodiment, the second end of the nut body is circumferentially uniformly provided with some grooves, and the groove exists
Radially run through the outside wall surface and internal face of the nut body.
In one embodiment, the screw thread has some crests and tooth bottom, the envelope that some crests and tooth bottom are formed
Face is circular conical surface, and the enveloping surface that some crests are formed is the screw thread conical surface.
In one embodiment, the enveloping surface that some crests are formed is parallel with the enveloping surface that some tooth bottoms are formed.
In one embodiment, the screw thread has some crests and tooth bottom, and the enveloping surface that some crests are formed is circle
The conical surface, the enveloping surface that some tooth bottoms are formed is cylindrical surface, and the circular conical surface is the screw thread conical surface.
In one embodiment, the screw thread has some crests and tooth bottom, and the enveloping surface that some crests are formed is circle
Cylinder, the enveloping surface that some tooth bottoms are formed is circular conical surface, and the circular conical surface is the screw thread conical surface.
In one embodiment, the second end of the nut body is circumferentially uniformly provided with some grooves, and the groove exists
Radially run through the outside wall surface and internal face of the nut body.
In one embodiment, the angle formed between the screw thread conical surface and the radial section of the nut body is at 83 °
To between 86 °.
In conclusion the utility model provides a kind of conical surface stop nut, with solve the anti-loose ability difference of spring washer structure and
Stopping shim and beat torsion retaining be difficult to dismount the problems such as.The stop nut on internal face by processing conical surface screw thread so that
Nut has good locking functions.The conical surface screw thread is exactly the crest enveloping surface of screw thread or tooth bottom enveloping surface is circular conical surface
Screw thread, due to the special construction of conical surface screw thread, nut inner thread itself can produce interference with the external screw thread on axis or bolt
Amount, plays the role of Anti-loosen stop.In addition, the nut structure of this case opens up groove in the less side of screw thread conical surface opening, drop
Low rigidity herein, makes the side to produce elastic deformation, not only ensure that the interference volume requirement of screw thread entirety, but also will not be because of part
Interference volume is too big and produces stuck phenomenon.
Brief description of the drawings
Fig. 1 is the schematic cross-section of one embodiment of stop nut of the utility model.
Fig. 2 is the schematic cross-section of another embodiment of stop nut of the utility model.
Fig. 3 is the schematic cross-section of another embodiment of stop nut of the utility model.
Fig. 4 be Fig. 1 in stop nut another angle schematic cross-section.
Fig. 5 is the schematic cross-section of stop nut in a particular application in Fig. 4.
Embodiment
Before describing the embodiments in more detail, it should be understood that the utility model is not limited in the application hereafter or attached drawing
Described in detailed construction or arrangement of elements.The utility model can be the embodiment that other manner is realized.Moreover, it should manage
Solution, wording used herein and term are solely for description purposes, should not the explanation of being construed as limiting property." bag used herein
Include ", "comprising", the similar wording such as " having " meant comprising items listed thereafter, its equivalent and other additional things.It is special
It is not that, when describing " certain element ", the utility model does not limit the quantity of the element as one, can also include more
It is a.
As shown in Figs. 1-3, the utility model proposes a kind of stop nut 10, the stop nut 10 to include nut body 12.
Nut body 12 has first end 14 and second end 16 vertically, and the internal face of nut body 12 is equipped with screw thread 18, screw thread
18 have some crests 20 and tooth bottom 22.Screw thread 18 is conical surface screw thread 18, and the conical surface screw thread 18 is configured so that nut body
12 first end 14 screw thread conical surface opening be more than second end 16 screw thread conical surface opening.
More particularly, some crests 20 of conical surface screw thread 18 form an enveloping surface, and some tooth bottoms 22 form another envelope
Face.Wherein, nut body 12 is the enveloping surface that is formed of some crests 20 in nut in the screw thread conical surface opening of its first end 14
Opening of the enveloping surface that the opening of body first end 14 or some tooth bottoms 22 are formed in nut body first end 14；Nut body
12 in the screw thread conical surface opening of its second end 16 be enveloping surface opening in nut body second end 16 that some crests 20 are formed
Opening of the enveloping surface that mouth or some tooth bottoms 22 are formed in nut body second end 16.According to 18 design structure of conical surface screw thread
Difference, has different selections.It is three kinds of structural design schemes of the utility model conical surface screw thread 18 below：
In the embodiment shown in fig. 1, the envelope that the enveloping surface 24 and some tooth bottoms 22 that some crests 20 are formed are formed
Face 26 is circular conical surface, and the enveloping surface 24 that some crests 20 are formed is parallel with the enveloping surface 26 that some tooth bottoms 22 are formed.It is such a
In the case of, enveloping surface 24 and the enveloping surface 26 of some tooth bottoms 22 formation that some crests 20 are formed may be regarded as the thread conical
Face, the angle formed between the radial section of the screw thread conical surface and nut body 12 is between 83 ° to 86 °.
It should be appreciated that in an illustrated embodiment, the enveloping surface 24 that some crests 20 are formed and some 22 shapes of tooth bottom
Into enveloping surface 26 it is parallel, in other embodiments, certain angle can also be formed therebetween, by the angle control reasonable
In the range of, to meet above-mentioned locking functions.
In the embodiment shown in Figure 2, the enveloping surface 28 that some crests 20 are formed is circular conical surface, which is described
The screw thread conical surface, the angle formed between the radial section of the screw thread conical surface and nut body 12 are some between 83 ° to 86 °
The enveloping surface 30 that tooth bottom 22 is formed is cylindrical surface.In other words, in the present embodiment, high (that is, the crest of the tooth of conical surface screw thread 18
Vertical range between 20 and tooth bottom 22) gradually increase from the first end 14 of nut body 12 to second end 16.
In the embodiment shown in fig. 3, the enveloping surface 32 that some crests 20 are formed is cylindrical surface, what some tooth bottoms 22 were formed
Enveloping surface 34 is circular conical surface, which is the radial section of the screw thread conical surface, the screw thread conical surface and nut body 12
Between the angle that is formed between 83 ° to 86 °.In the present embodiment, the first end of the tooth height of conical surface screw thread 18 from nut body 12
14 are gradually reduced to second end 16.
Fig. 4 be Fig. 1 in stop nut another angle schematic cross-section.Please refer to Fig.4, the second end of nut body 12
16 are circumferentially uniformly provided with some grooves 36, and groove 36 is designed to the outside wall surface and inner wall for diametrically running through nut body 12
Face.Such groove structure designs so that stop nut 10 is in the less side of screw thread conical surface opening, i.e., can produce the one of interference
Side rigid reduces, and it is produced elastic deformation, not only ensure that the interference volume requirement of conical surface screw thread entirety, but also will not be because of
Local interference volume is too big and produces stuck phenomenon.
It should be appreciated that in the embodiment shown in fig. 1, the second end 16 of nut body 12 opens up fluted 36 and is only
It is illustrative.In other embodiments, such as in the embodiment shown in Fig. 2 and Fig. 3, the second end 16 of nut body 12 can also be opened
If such groove, the utility model does not limit this.
As shown in figure 5, Fig. 5 is the schematic cross-section of stop nut in a particular application in Fig. 4.With plain nut user
Method is the same, is first carried one and loads onto flat key and gear 40 on externally threaded axis 38, then locks stop nut 10, utilizes stop nut
10 pretightning force compresses gear 40.Unlike conventional nut, the installation tool of the conical surface stop nut 10 of the utility model
It is directional, it is necessary to allow the screw thread of the big side of conical surface opening first to be engaged with the screw thread on axis 38, otherwise possibly can not install.Cause
It is screw thread 18 with tapered, so the 18 diameter smaller part of internal thread of stop nut 10 itself can be produced with the external screw thread on axis 38
Interference volume, realizes locking effect.The taper of screw thread 18 is determined by specific use environment, is moved back or is prevented in the easy pine of nut
The more demanding occasion of pine, can use the larger screw thread of taper；Move back conversely, being not easy pine in nut and locking require relatively low field
Close, the less screw thread of taper can be used.
Compared with conventional nut, due to the special construction of conical surface screw thread, nut inner thread itself can with axis or bolt
External screw thread produce interference volume, play the role of Anti-loosen stop.Spring washer or stopping shim is not required in whole locking move back in structure,
Therefore stopping function will not be lost because spring washer fails, will not causes dismounting difficult because of the problem of stopping shim.In addition,
Due to, there are interference fit section, adding king-sized torsion like that not necessarily like traditional nut by beating torsion retaining between screw thread
Power come prevent because vibration of the parts on shaft in operation process causes nut pretightning force to decline and the loose phenomenon moved back, reduce and tear open
Fill difficulty and the requirement to screw strength.
In conclusion the utility model provides a kind of conical surface stop nut, with solve the anti-loose ability difference of spring washer structure and
Stopping shim and beat torsion retaining be difficult to dismount the problems such as.The stop nut on internal face by processing conical surface screw thread so that
Nut has good locking functions.The conical surface screw thread is exactly the crest enveloping surface of screw thread or tooth bottom enveloping surface is circular conical surface
Screw thread, due to the special construction of conical surface screw thread, nut inner thread itself can produce interference with the external screw thread on axis or bolt
Amount, plays the role of Anti-loosen stop.In addition, the nut structure of this case opens up groove in the less side of screw thread conical surface opening, drop
Low rigidity herein, makes the side to produce elastic deformation, not only ensure that the interference volume requirement of screw thread entirety, but also will not be because of part
Interference volume is too big and produces stuck phenomenon.
Concepts described herein may be embodied to other forms in the case of without departing from its spirit and characteristic.It is disclosed
Specific embodiment should be considered as illustrative rather than restricted.Therefore, the scope of the utility model is by appended right
It is required that rather than it is determined according to these descriptions before.It is any in the letter of claim and equivalency range
The scope of these claims should all be belonged to by changing.
Claims (7)
1. a kind of stop nut, including nut body, the nut body has first end and second end vertically, the spiral shell
The internal face of maternal body is equipped with screw thread, it is characterised in that the screw thread is conical surface screw thread, and the conical surface screw thread is configured so that
The nut body is more than the screw thread conical surface opening in the second end in the screw thread conical surface opening of the first end.
2. stop nut as claimed in claim 1, it is characterised in that the screw thread has some crests and tooth bottom, if described
The enveloping surface that dry crest and tooth bottom is formed is circular conical surface, and the enveloping surface that some crests are formed is the screw thread conical surface.
3. stop nut as claimed in claim 2, it is characterised in that the enveloping surface that some crests are formed with it is described some
The enveloping surface that tooth bottom is formed is parallel.
4. stop nut as claimed in claim 1, it is characterised in that the screw thread has some crests and tooth bottom, if described
The enveloping surface that dry crest is formed is circular conical surface, and the enveloping surface that some tooth bottoms are formed is cylindrical surface, and the circular conical surface is described
The screw thread conical surface.
5. stop nut as claimed in claim 1, it is characterised in that the screw thread has some crests and tooth bottom, if described
The enveloping surface that dry crest is formed is cylindrical surface, and the enveloping surface that some tooth bottoms are formed is circular conical surface, and the circular conical surface is described
The screw thread conical surface.
6. such as claim 1-5 any one of them stop nuts, it is characterised in that the second end of the nut body is circumferentially
Some grooves are uniformly provided with, the groove diametrically runs through the outside wall surface and internal face of the nut body.
7. stop nut as claimed in claim 1, it is characterised in that the radial direction of the screw thread conical surface and the nut body is cut
The angle formed between face is between 83 ° to 86 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331142.5U CN207297580U (en) | 2017-03-31 | 2017-03-31 | Conical surface stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720331142.5U CN207297580U (en) | 2017-03-31 | 2017-03-31 | Conical surface stop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297580U true CN207297580U (en) | 2018-05-01 |
Family
ID=62270861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720331142.5U Active CN207297580U (en) | 2017-03-31 | 2017-03-31 | Conical surface stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679207A (en) * | 2018-08-02 | 2018-10-19 | 索特传动设备有限公司 | Pass through the deformation-compensated structure for improving screw thread bearing capacity |
-
2017
- 2017-03-31 CN CN201720331142.5U patent/CN207297580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679207A (en) * | 2018-08-02 | 2018-10-19 | 索特传动设备有限公司 | Pass through the deformation-compensated structure for improving screw thread bearing capacity |
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