CN108488200A - It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction - Google Patents
It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction Download PDFInfo
- Publication number
- CN108488200A CN108488200A CN201810565646.2A CN201810565646A CN108488200A CN 108488200 A CN108488200 A CN 108488200A CN 201810565646 A CN201810565646 A CN 201810565646A CN 108488200 A CN108488200 A CN 108488200A
- Authority
- CN
- China
- Prior art keywords
- nut
- bolt
- internal thread
- convex surface
- concave surface
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 71
- 239000000463 material Substances 0.000 claims description 14
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 230000010355 oscillation Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/122—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction the invention discloses a kind of, including bolt, the first nut and the second nut, concave surface or convex surface are provided at the top of first nut, the bottom of second nut is provided with convex surface or concave surface, bolt, the first nut and the second nut are installed on workpiece tighten after, the bottom of the first nut is contacted with workpiece；It is the contact structures of not lateral clearance between concave surface and convex surface；The structure to contact with each other between the lower tooth side of the internal thread of first nut and the externally threaded upper tooth side of bolt；The structure to contact with each other between the upper tooth side of the internal thread of second nut and the externally threaded lower tooth side of bolt；It is not the structure of mutual self-locking in the longitudinal direction between concave surface and convex surface.
Description
Technical field
The present invention relates to fastener areas, and in particular to a kind of to prevent from doing the double nut spiral shell for loosening the automatic rolling movement in direction
Line couples.
Background technology
Objectively, there is sliding motion to the mode rotated automatically relative to loosening direction between inner thread piece and external thread piece
（For example, nut will produce the sliding rotary motion for moving back direction to pine relatively under the action of rotator inertia）With rolling movement（Without fixation
Axis lateral rotation movement）Both modes.
Inventor is in the article delivered《Completely new cylindrical thread connection locking principle and loosing Prevention Technology》［ Chinese new technology
New product, 2015.10（On）In, with theory analysis, " cylindrical thread is connected in oscillation crosswise or impact with the results show
Environment in the loosening that generates be between internal and external screw thread part without fixing axle lateral rotation movement（Rolling movement）, therefore, as long as
Realize the lateral locking between internal and external screw thread part, it will be able to prevent being transported without fixing axle transverse rotation between internal and external screw thread part
It is dynamic, that is, can to realize that cylindrical thread is connected in complete locking in the environment of oscillation crosswise or impact ".
Transverse direction of the present invention is identical as the radial direction of screw thread；Longitudinal direction of the present invention, it is identical as the axial direction of screw thread.
It is done between nut and bolt to the mutual rolling movement for loosening direction, must must just have, which can do loosening direction, rolls fortune
Dynamic space.
If designing a kind of connection of Double-nut threaded, bolt, the first nut and the second nut are installed on workpiece tighten after,
While contacting with each other between the end face of second nut and the end face of the first nut, the end of the end face of the first nut and the second nut
There is no the first nut and the second nut that can do the space for loosening direction rolling movement between face, and in oscillation crosswise or impact
When the first nut and the second nut cannot all be done on mutual end face loosen direction rolling movement, while the first nut and
The internal thread of second nut, which is combined, not to be had mutually to do the space for loosening direction rolling movement between the external screw thread of bolt, can be prevented
It is only done between the first nut and the second nut and bolt when oscillation crosswise or impact to the mutual rolling for loosening direction
Movement.
Invention content
The object of the present invention is to provide one kind can effectively prevent when oscillation crosswise or impact between nut and bolt
It does to the mutual Double-nut threaded connection for loosening direction rolling movement, further, the technical problem to be solved by the present invention is to：
Double-nut threaded connection in a kind of structure is set, to, bolt, the first nut and the second nut are installed on workpiece tighten after,
While contacting with each other between the end face of second nut and the end face of the first nut, the end of the end face of the first nut and the second nut
There is no the first nut and the second nut that can do the space for loosening direction rolling movement between face, and in oscillation crosswise or impact
When can effectively prevent the first nut and the second nut does the rolling movement for loosening direction, while the first spiral shell on mutual end face
Do not have mutually to do the space for loosening direction rolling movement between female and the second nut internal thread combination and the external screw thread of bolt.
It is so-called " being the contact structures of not lateral clearance between the concave surface and the convex surface " in the present invention, refer to
" there is no first nut and second nut that can do the space laterally to move along a straight line between the concave surface and the convex surface ".
It is so-called " being the contact structures of not lateral clearance between the convex surface and the concave surface " in the present invention, refer to
" there is no first nut and second nut that can do the space laterally to move along a straight line between the convex surface and the concave surface ".
It is so-called " to have between the external screw thread of the bolt and the internal thread of first nut between longitudinal direction in the present invention
Gap " refers to " having the bolt and the first nut energy between the external screw thread of the bolt and the internal thread of first nut
Do the space of linear longitudinal movement ".
It is so-called " to have between the external screw thread of the bolt and the internal thread of second nut between longitudinal direction in the present invention
Gap " refers to " having the bolt and the second nut energy between the external screw thread of the bolt and the internal thread of second nut
Do the space of linear longitudinal movement ".
In order to solve the above technical problems, the technical solution adopted by the present invention is：
Technical solution 1：Prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt, the first nut and
Second nut, is provided with concave surface at the top of first nut, and the bottom of second nut is provided with convex surface, the bolt,
First nut and second nut are installed on workpiece tighten after, bottom and the workpiece of first nut connect
It touches；It is the contact structures of not lateral clearance between the concave surface and the convex surface；The lower tooth of the internal thread of first nut
The structure to contact with each other between side and the externally threaded upper tooth side of the bolt；The upper tooth side of the internal thread of second nut with
The structure to contact with each other between the externally threaded lower tooth side of the bolt；The external screw thread of the bolt is interior with first nut
There are axial clearance, the major diameter of the internal thread of first nut to be more than the externally threaded major diameter, first spiral shell between screw thread
The path of female internal thread is more than the externally threaded path；The internal thread of the external screw thread of the bolt and second nut it
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut it is interior
The path of screw thread is more than the externally threaded path；It is not the knot of mutual self-locking in the longitudinal direction between the concave surface and the convex surface
Structure, specifically, the geometric parameter on the concave surface and the convex surface are unsatisfactory between the concave surface and the convex surface phase in the longitudinal direction
The condition of mutual self-locking.
Bolt, the first nut and the second nut are installed on workpiece tighten after（With reference to figure 3, Fig. 6）, between concave surface and convex surface
It is the contact structures of not lateral clearance, so not having the first nut and the second nut that can do loosening direction between concave surface and convex surface
The space of rolling movement；In oscillation crosswise or impact, if relatively transverse fortune is not generated between inner thread piece and external thread piece
Dynamic trend would not then do the rolling movement for loosening direction between inner thread piece and external thread piece（It can refer to《Completely new cylinder
Threaded connection locking principle and loosing Prevention Technology》Chinese New Products, 2015.10（On））；In oscillation crosswise or impact
When, if between the first nut and the second nut and bolt generate relative lateral motion trend, at this moment if concave surface with it is convex
Between face cannot lateral self-locking, the first nut can generate simultaneously trend along external screw thread upward sliding with along convex surface slide downward
Trend, since the first nut of this locking structure cannot slide on convex surface；Second nut can generate downward along external screw thread simultaneously
The trend of sliding and the trend along concave upright sliding, since the second nut of this locking structure cannot slide on concave surface；Such as
Fruit generates the first nut and the bolt trend relative to the second nut transverse movement simultaneously, at this moment can generate the first nut edge simultaneously
The trend of convex surface slide downward with bolt along the trend of the internal thread upward sliding of the second nut, due to this locking structure first
Nut cannot be slided with bolt on convex surface；If generating the second nut with bolt simultaneously relative to the first nut transverse movement
Trend, the trend and bolt that at this moment can generate the second nut simultaneously along concave upright sliding is downward along the internal thread of the first nut
The trend of sliding, since the second nut of this locking structure cannot be slided with bolt on concave surface；At this moment if concave surface with it is convex
Between face can lateral self-locking, then the first nut and the second nut cannot all be slided on concave surface on convex surface, therefore, in oscillation crosswise
Or lateral clearance is not will produce between concave surface and convex surface when impact, to which the first nut and the second nut all cannot be on convex surfaces
With the rolling movement for doing loosening direction on concave surface；At this moment the external screw thread of bolt by the internal thread of the first nut and the second nut from upper
Under while tightly withstand, the internal thread of the first nut and the second nut by the external screw thread of bolt from tightly clamping up and down,
Due to this screw thread locking structure, without mutual between the internal thread combination of the first nut and the second nut and the external screw thread of bolt
The space for loosening direction rolling movement is done, therefore, the first nut and the second nut cannot do the rolling movement for loosening direction simultaneously,
Bolt can not do the rolling movement for loosening direction.
When oscillation crosswise or impact, if do not had between the external screw thread of external thread piece and the internal thread of inner thread piece
Axial clearance, and the major diameter of internal thread is not more than externally threaded major diameter, while the path of internal thread is no more than externally threaded small
Diameter, then will appear the structure due to the lateral locking of formation between external screw thread and internal thread so as to cause external thread piece and internal thread
It can not do the situation for loosening direction rolling movement, therefore, " the interior spiral shell of the external screw thread of the bolt and first nut between part
There are axial clearance, the major diameter of the internal thread of first nut to be more than the externally threaded major diameter, first nut between line
The path of internal thread be more than the externally threaded path " and " internal thread of the external screw thread of the bolt and second nut
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut
The path of internal thread is more than the externally threaded path " it is the Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction
The necessary condition of connection.
Because between the concave surface and the convex surface not being in the longitudinal direction the structure of mutual self-locking, during the installation process
Energy automatic adjusting position between the concave surface and the convex surface, so as to successfully realize " between the concave surface and the convex surface
It is the contact structures of not lateral clearance ", therefore, prevent from doing the effect for loosening the automatic rolling movement in direction in order to successfully realize
Fruit, " not being the structure of mutual self-locking in the longitudinal direction between the concave surface and the convex surface " are described to prevent from doing that loosen direction automatic
The necessary condition of the Double-nut threaded connection of rolling movement.
When oscillation crosswise or impact, if the second nut is more than centainly relative to the lateral inertia forces of the first nut
Value, nylon material or rubber material or engineering resin material just will produce continuous flexible deformation, to cause described recessed
Between face and the convex surface generate can make the second nut do loosen direction rolling movement space, at this moment if the second nut by
Frictional force it is not big enough, the second nut will do loosen direction rolling movement, therefore, in order to improve prevent from doing loosen direction from
The effect of dynamic rolling movement, it is preferable that the material at the position that the concave surface contacts with each other with the convex surface be not nylon, rubber and
Engineering resin prevents from doing the effect for loosening the automatic rolling movement in direction, it is further preferred that described first to further increase
Nut and second nut are metal fastenings.
The technical solution, bolt, the first nut and the second nut are installed on workpiece tighten after, the end face of the second nut with
While contacting with each other between the end face of first nut, there is no the first spiral shell between the end face of the first nut and the end face of the second nut
It is female that the space for loosening direction rolling movement can be done with the second nut, and can effectively prevent when oscillation crosswise or impact the
One nut and the second nut do the rolling movement for loosening direction on mutual end face, while the first nut and the second nut is interior
Screw thread, which is combined, not to be had mutually to do the space for loosening direction rolling movement between the external screw thread of bolt, therefore can effectively prevent in cross
To being done between the first nut and the second nut and bolt when vibration or impact to the mutual rolling movement for loosening direction, from
And a kind of can effectively prevent when oscillation crosswise or impact of offer can be provided and done between nut and bolt to mutual loosening side
The purpose coupled to the Double-nut threaded of rolling movement.
Technical solution 2：It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt, the first spiral shell
Female and the second nut is provided with convex surface at the top of first nut, and the bottom of second nut is provided with concave surface, the spiral shell
Bolt, first nut and second nut are installed on workpiece tighten after, the bottom of first nut and the workpiece
Contact；It is the contact structures of not lateral clearance between the convex surface and the concave surface；Under the internal thread of first nut
The structure to contact with each other between tooth side and the externally threaded upper tooth side of the bolt；The upper tooth side of the internal thread of second nut
The structure to contact with each other between the externally threaded lower tooth side of the bolt；The external screw thread of the bolt and first nut
There is axial clearance between internal thread, the major diameter of the internal thread of first nut is more than the externally threaded major diameter, and described first
The path of the internal thread of nut is more than the externally threaded path；The internal thread of the external screw thread of the bolt and second nut
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut
The path of internal thread is more than the externally threaded path；It is not mutual self-locking in the longitudinal direction between the convex surface and the concave surface
Structure, specifically, the geometric parameter of the convex surface and the concave surface are unsatisfactory between the convex surface and the concave surface in the longitudinal direction
The condition of mutual self-locking.
Bolt, the first nut and the second nut are installed on workpiece tighten after（With reference to figure 9, Figure 12）, convex surface and concave surface it
Between be the contact structures of not lateral clearance, so there is no the first nut and the second nut that can do loosening side between convex surface and concave surface
To the space of rolling movement；In oscillation crosswise or impact, if do not generated between inner thread piece and external thread piece relatively transverse
The trend of movement would not then do the rolling movement for loosening direction between inner thread piece and external thread piece（It can refer to《Completely new circle
Male screw couples locking principle and loosing Prevention Technology》Chinese New Products, 2015.10（On））；In oscillation crosswise or impact
When, if between the first nut and the second nut and bolt generate relative lateral motion trend, at this moment if convex surface with it is recessed
Between face cannot lateral self-locking, the first nut can generate simultaneously trend along external screw thread upward sliding with along concave surface slide downward
Trend, since the first nut of this locking structure cannot slide on concave surface；Second nut can generate downward along external screw thread simultaneously
The trend of sliding and the trend along convex surface upward sliding, since the second nut of this locking structure cannot slide on convex surface；Such as
Fruit generates the first nut and the bolt trend relative to the second nut transverse movement simultaneously, at this moment can generate the first nut edge simultaneously
The trend of concave surface slide downward with bolt along the trend of the internal thread upward sliding of the second nut, due to this locking structure first
Nut cannot be slided with bolt on concave surface；If generating the second nut with bolt simultaneously relative to the first nut transverse movement
Trend, the trend and bolt that at this moment can generate the second nut simultaneously along convex surface upward sliding is downward along the internal thread of the first nut
The trend of sliding, since the second nut of this locking structure cannot be slided with bolt on convex surface；At this moment if convex surface with it is recessed
Between face can lateral self-locking, then the first nut and the second nut cannot all be slided on convex surface in concave surface, therefore, in oscillation crosswise
Or lateral clearance is not will produce between convex surface and concave surface when impact, to which the first nut and the second nut all cannot be in concave surfaces
With the rolling movement for doing loosening direction on convex surface；At this moment the external screw thread of bolt by the internal thread of the first nut and the second nut from upper
Under while tightly withstand, the internal thread of the first nut and the second nut by the external screw thread of bolt from tightly clamping up and down,
Due to this screw thread locking structure, without mutual between the internal thread combination of the first nut and the second nut and the external screw thread of bolt
The space for loosening direction rolling movement is done, therefore, the first nut and the second nut cannot do the rolling movement for loosening direction simultaneously,
Bolt can not do the rolling movement for loosening direction.
When oscillation crosswise or impact, if do not had between the external screw thread of external thread piece and the internal thread of inner thread piece
Axial clearance, and the major diameter of internal thread is not more than externally threaded major diameter, while the path of internal thread is no more than externally threaded small
Diameter, then will appear the structure due to the lateral locking of formation between external screw thread and internal thread so as to cause external thread piece and internal thread
It can not do the situation for loosening direction rolling movement, therefore, " the interior spiral shell of the external screw thread of the bolt and first nut between part
There are axial clearance, the major diameter of the internal thread of first nut to be more than the externally threaded major diameter, first nut between line
The path of internal thread be more than the externally threaded path " and " internal thread of the external screw thread of the bolt and second nut
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut
The path of internal thread is more than the externally threaded path " it is the Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction
The necessary condition of connection.
Because between the convex surface and the concave surface not being in the longitudinal direction the structure of mutual self-locking, during the installation process
Energy automatic adjusting position between the convex surface and the concave surface, so as to successfully realize " between the convex surface and the concave surface
It is the contact structures of not lateral clearance ", therefore, prevent from doing the effect for loosening the automatic rolling movement in direction in order to successfully realize
Fruit, " not being the structure of mutual self-locking in the longitudinal direction between the convex surface and the concave surface " are described to prevent from doing that loosen direction automatic
The necessary condition of the Double-nut threaded connection of rolling movement.
When oscillation crosswise or impact, if the second nut is more than centainly relative to the lateral inertia forces of the first nut
Value, nylon material or rubber material or engineering resin material just will produce continuous flexible deformation, to cause described convex
Between face and the concave surface generate can make the second nut do loosen direction rolling movement space, at this moment if the second nut by
Frictional force it is not big enough, the second nut will do loosen direction rolling movement, therefore, in order to improve prevent from doing loosen direction from
The effect of dynamic rolling movement, it is preferable that the material at the position that the convex surface contacts with each other with the concave surface be not nylon, rubber and
Engineering resin prevents from doing the effect for loosening the automatic rolling movement in direction, it is further preferred that described first to further increase
Nut and second nut are metal fastenings.
The technical solution, bolt, the first nut and the second nut are installed on workpiece tighten after, the end face of the second nut with
While contacting with each other between the end face of first nut, there is no the first spiral shell between the end face of the first nut and the end face of the second nut
It is female that the space for loosening direction rolling movement can be done with the second nut, and can effectively prevent when oscillation crosswise or impact the
One nut and the second nut do the rolling movement for loosening direction on mutual end face, while the first nut and the second nut is interior
Screw thread, which is combined, not to be had mutually to do the space for loosening direction rolling movement between the external screw thread of bolt, therefore can effectively prevent in cross
To being done between the first nut and the second nut and bolt when vibration or impact to the mutual rolling movement for loosening direction, from
And a kind of can effectively prevent when oscillation crosswise or impact of offer can be provided and done between nut and bolt to mutual loosening side
The purpose coupled to the Double-nut threaded of rolling movement.
The beneficial effects of the invention are as follows：Above-mentioned prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction,
Its is simple in structure, manufacturing process is simple, manufacturing cost is low, it is easy to use, reusable, be suitable for rigid attachment with elasticity even
It connects.
Description of the drawings
Fig. 1 is the structural schematic diagram of the first nut of first embodiment of the invention；
Fig. 2 is the structural schematic diagram of the second nut of first embodiment of the invention；
Fig. 3 uses shape for what the Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction of first embodiment of the invention coupled
State schematic diagram；
Fig. 4 is the structural schematic diagram of the first nut of second embodiment of the invention；
Fig. 5 is the structural schematic diagram of the second nut of second embodiment of the invention；
Fig. 6 uses shape for what the Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction of second embodiment of the invention coupled
State schematic diagram；
Fig. 7 is the structural schematic diagram of the first nut of third embodiment of the invention；
Fig. 8 is the structural schematic diagram of the second nut of third embodiment of the invention；
Fig. 9 uses shape for what the Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction of third embodiment of the invention coupled
State schematic diagram；
Figure 10 is the structural schematic diagram of the first nut of fourth embodiment of the invention；
Figure 11 is the structural schematic diagram of the second nut of fourth embodiment of the invention；
Figure 12 is the use for preventing from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction of fourth embodiment of the invention
Status diagram.
In figure：1, bolt, the 2, first nut, the 3, second nut, 4, concave surface, 5, convex surface, 6, workpiece.
Specific implementation mode
The Double-nut threaded for preventing from doing the loosening automatic rolling movement in direction of the present invention is joined below by specific embodiment
It connects and is described in further detail.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt 1, the
One nut 2 and the second nut 3, the top of the first nut 2 are provided with the concave surface 4 of cone, and the bottom of the second nut 3 is provided with circle
The convex surface 5 of taper, bolt 1, the first nut 2 and the second nut 3 are installed on workpiece 6 tighten after, the bottom of the first nut 2 and work
Part 6 contacts；It is the contact structures of not lateral clearance between the concave surface 4 and the convex surface 5 of cone of cone；First nut 2
The structure to contact with each other between the lower tooth side of internal thread and the externally threaded upper tooth side of bolt 1；The internal thread of second nut 3 it is upper
The structure to contact with each other between tooth side and the externally threaded lower tooth side of bolt 1；The interior spiral shell of the external screw thread of bolt 1 and the first nut 2
There are axial clearance, the major diameter of the internal thread of the first nut 2 to be more than the externally threaded major diameter, the interior spiral shell of the first nut 2 between line
The path of line is more than the externally threaded path；There is axial clearance between the external screw thread of bolt 1 and the internal thread of the second nut 3,
The major diameter of the internal thread of second nut 3 is more than the externally threaded major diameter, and the path of the internal thread of the second nut 3 is more than outside described
The path of screw thread；The material at the position that the concave surface 4 of cone and the convex surface 5 of cone contact with each other is not nylon, rubber and work
Journey resin；First nut 2 and the second nut 3 are metal fastenings；Vertical between the concave surface 4 and the convex surface 5 of cone of cone
It is not the structure of mutual self-locking, specifically, the gradient of conical concave surface 4 upwards（Tangent value）More than cone concave surface 4 with
Confficient of static friction between the contact surface on the convex surface 5 of cone.
Embodiment 2
As shown in Fig. 4, Fig. 5, Fig. 6, prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt 1, the
The top of one nut 2 and the second nut 3, the first nut 2 is provided with spherical concave surface 4, and the bottom of the second nut 3 is provided with six faces
The convex surface 5 of taper, bolt 1, the first nut 2 and the second nut 3 are installed on workpiece 6 tighten after, the bottom of the first nut 2 and work
Part 6 contacts；It is the contact structures of not lateral clearance between spherical concave surface 4 and the convex surface 5 of six face cone shapes；First nut 2
The structure to contact with each other between the lower tooth side of internal thread and the externally threaded upper tooth side of bolt 1；The internal thread of second nut 3 it is upper
The structure to contact with each other between tooth side and the externally threaded lower tooth side of bolt 1；The interior spiral shell of the external screw thread of bolt 1 and the first nut 2
There are axial clearance, the major diameter of the internal thread of the first nut 2 to be more than the externally threaded major diameter, the interior spiral shell of the first nut 2 between line
The path of line is more than the externally threaded path；There is axial clearance between the external screw thread of bolt 1 and the internal thread of the second nut 3,
The major diameter of the internal thread of second nut 3 is more than the externally threaded major diameter, and the path of the internal thread of the second nut 3 is more than outside described
The path of screw thread；The material at the position that the convex surface 5 of spherical concave surface 4 and six face cone shapes contacts with each other is not nylon, rubber and work
Journey resin；First nut 2 and the second nut 3 are metal fastenings；Vertical between spherical concave surface 4 and the convex surface 5 of six face cone shapes
It is not the structure of mutual self-locking upwards, specifically, the geometric parameter on the convex surface 5 of spherical concave surface 4 and six face cone shapes is discontented with football
The condition of mutual self-locking in the longitudinal direction between the concave surface 4 of shape and the convex surface 5 of six face cone shapes.
Embodiment 3
As shown in Fig. 7, Fig. 8, Fig. 9, prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt 1, the
The top of one nut 2 and the second nut 3, the first nut 2 is provided with spherical convex surface 5, and the bottom of the second nut 3 is provided with spherical shape
Concave surface 4, bolt 1, the first nut 2 and the second nut 3 are installed on workpiece 6 tighten after, the bottom of the first nut 2 and workpiece 6
Contact；It is the contact structures of not lateral clearance between spherical convex surface 5 and the concave surface 4 of spherical shape；The internal thread of first nut 2
The structure to contact with each other between lower tooth side and the externally threaded upper tooth side of bolt 1；The upper tooth side of the internal thread of second nut 3 and spiral shell
The structure to contact with each other between the externally threaded lower tooth side of bolt 1；Have between the external screw thread of bolt 1 and the internal thread of the first nut 2
The major diameter of axial clearance, the internal thread of the first nut 2 is more than the externally threaded major diameter, the path of the internal thread of the first nut 2
More than the externally threaded path；There are axial clearance, the second nut 3 between the external screw thread of bolt 1 and the internal thread of the second nut 3
The major diameter of internal thread be more than the externally threaded major diameter, the path of the internal thread of the second nut 3 is more than described externally threaded small
Diameter；The material at the position that spherical convex surface 5 contacts with each other with spherical concave surface 4 is not nylon, rubber and engineering resin；First spiral shell
Mother 2 and the second nut 3 are metal fastenings；It is not mutual self-locking in the longitudinal direction between spherical convex surface 5 and the concave surface 4 of spherical shape
Structure, specifically, the geometric parameter of spherical convex surface 5 and spherical concave surface 4 are discontented with the convex surface 5 of football and spherical concave surface 4
Between mutual self-locking in the longitudinal direction condition.
Embodiment 4
As shown in Figure 10, Figure 11, Figure 12, prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt
1, the first nut 2 and the second nut 3, the top of the first nut 2 are provided with the convex surface 5 of cone, the bottom setting of the second nut 3
Have the concave surface 4 of six face cone shapes, bolt 1, the first nut 2 and the second nut 3 are installed on workpiece 6 tighten after, the bottom of the first nut 2
Portion is contacted with workpiece 6；It is the contact structures of not lateral clearance between the convex surface 5 and the concave surface 4 of six face cone shapes of cone；First
The structure to contact with each other between the lower tooth side of the internal thread of nut 2 and the externally threaded upper tooth side of bolt 1；Second nut 3 it is interior
The structure to contact with each other between the upper tooth side of screw thread and the externally threaded lower tooth side of bolt 1；The external screw thread of bolt 1 and the first nut
There are axial clearance, the major diameter of the internal thread of the first nut 2 to be more than the externally threaded major diameter, the first nut 2 between 2 internal thread
Internal thread path be more than the externally threaded path；There is longitudinal direction between the external screw thread of bolt 1 and the internal thread of the second nut 3
The major diameter in gap, the internal thread of the second nut 3 is more than the externally threaded major diameter, and the path of the internal thread of the second nut 3 is more than
The externally threaded path；The material at position that the convex surface 5 of cone and the concave surface 4 of six face cone shapes contact with each other be not nylon,
Rubber and engineering resin；First nut 2 and the second nut 3 are metal fastenings；The concave surface on the convex surface 5 and six face cone shapes of cone
It is not the structure of mutual self-locking, specifically, the gradient on conical convex surface 5 in the longitudinal direction between 4（Tangent value）More than cone
Convex surface 5 and six face cone shapes concave surface 4 contact surface between confficient of static friction.
The principles and effects of the invention are only illustrated in the above embodiments, and the embodiment that part uses, and
It is not intended to limit the invention；It should be pointed out that for those of ordinary skill in the art, not departing from the invention design
Under the premise of, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (6)
1. it prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt, the first nut and the second nut,
It is characterized in that：Concave surface is provided at the top of first nut, the bottom of second nut is provided with convex surface, the spiral shell
Bolt, first nut and second nut are installed on workpiece tighten after, the bottom of first nut and the workpiece
Contact；It is the contact structures of not lateral clearance between the concave surface and the convex surface；Under the internal thread of first nut
The structure to contact with each other between tooth side and the externally threaded upper tooth side of the bolt；The upper tooth side of the internal thread of second nut
The structure to contact with each other between the externally threaded lower tooth side of the bolt；The external screw thread of the bolt and first nut
There is axial clearance between internal thread, the major diameter of the internal thread of first nut is more than the externally threaded major diameter, and described first
The path of the internal thread of nut is more than the externally threaded path；The internal thread of the external screw thread of the bolt and second nut
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut
The path of internal thread is more than the externally threaded path；It is not mutual self-locking in the longitudinal direction between the concave surface and the convex surface
Structure.
2. according to claim 1 prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, feature exists
In：The material at the position that the concave surface contacts with each other with the convex surface is not nylon, rubber and engineering resin.
3. according to claim 2 prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, feature exists
In：First nut and second nut are metal fastenings.
4. it prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, including bolt, the first nut and the second nut,
It is characterized in that：Convex surface is provided at the top of first nut, the bottom of second nut is provided with concave surface, the spiral shell
Bolt, first nut and second nut are installed on workpiece tighten after, the bottom of first nut and the workpiece
Contact；It is the contact structures of not lateral clearance between the convex surface and the concave surface；Under the internal thread of first nut
The structure to contact with each other between tooth side and the externally threaded upper tooth side of the bolt；The upper tooth side of the internal thread of second nut
The structure to contact with each other between the externally threaded lower tooth side of the bolt；The external screw thread of the bolt and first nut
There is axial clearance between internal thread, the major diameter of the internal thread of first nut is more than the externally threaded major diameter, and described first
The path of the internal thread of nut is more than the externally threaded path；The internal thread of the external screw thread of the bolt and second nut
Between have an axial clearance, the major diameter of the internal thread of second nut is more than the externally threaded major diameter, second nut
The path of internal thread is more than the externally threaded path；It is not mutual self-locking in the longitudinal direction between the convex surface and the concave surface
Structure.
5. according to claim 4 prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, feature exists
In：The material at the position that the convex surface contacts with each other with the concave surface is not nylon, rubber and engineering resin.
6. according to claim 5 prevent from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction, feature exists
In：First nut and second nut are metal fastenings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/082380 WO2019205957A1 (en) | 2018-04-23 | 2019-04-12 | Double-nut threaded joint preventing self-rotation in loosening direction |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366444 | 2018-04-23 | ||
| CN2018103664445 | 2018-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488200A true CN108488200A (en) | 2018-09-04 |
Family
ID=63342026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810565646.2A Pending CN108488200A (en) | 2018-04-23 | 2018-06-04 | It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488200A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205957A1 (en) * | 2018-04-23 | 2019-10-31 | Xu Songlin | Double-nut threaded joint preventing self-rotation in loosening direction |
| WO2022174758A1 (en) * | 2021-02-17 | 2022-08-25 | 许松林 | Fastener for preventing self-turning motion in loosening direction |
| WO2022179467A1 (en) * | 2021-02-23 | 2022-09-01 | 许松林 | Thread pair for preventing automatic rolling movement in loosening direction |
| WO2022213775A1 (en) * | 2021-04-05 | 2022-10-13 | 许松林 | Threaded fastener capable of preventing automatic rolling motion in loosening direction |
-
2018
- 2018-06-04 CN CN201810565646.2A patent/CN108488200A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205957A1 (en) * | 2018-04-23 | 2019-10-31 | Xu Songlin | Double-nut threaded joint preventing self-rotation in loosening direction |
| WO2022174758A1 (en) * | 2021-02-17 | 2022-08-25 | 许松林 | Fastener for preventing self-turning motion in loosening direction |
| WO2022179467A1 (en) * | 2021-02-23 | 2022-09-01 | 许松林 | Thread pair for preventing automatic rolling movement in loosening direction |
| WO2022213775A1 (en) * | 2021-04-05 | 2022-10-13 | 许松林 | Threaded fastener capable of preventing automatic rolling motion in loosening direction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108468704A (en) | It prevents from doing the thread connection for loosening the automatic rolling movement in direction | |
| CN108488200A (en) | It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction | |
| CN208252561U (en) | It prevents from doing the Double-nut threaded connection for loosening the automatic rolling movement in direction | |
| US2833325A (en) | Countersunk flexible head threaded fastener | |
| CN105443542B (en) | Conical external screw thread and screw thread hole connection structure | |
| CN210290451U (en) | Durable nut structure | |
| CN108730312A (en) | A kind of Anti-loosening nut | |
| CN201568427U (en) | Anti-looseness sexangular flange bolt | |
| WO2015000318A1 (en) | Anti-loosening threaded part | |
| CN208252563U (en) | It prevents from doing the thread connection for loosening the automatic rolling movement in direction | |
| CN108757700A (en) | Deformation type anti-loosen screw nut component | |
| CN209654405U (en) | Deformation type anti-loosen screw nut component | |
| CN109778603A (en) | A kind of high-speed rail railroad track dedicated retaining check washer, nuts and bolt | |
| CN215805653U (en) | Threaded fastener capable of preventing automatic rolling motion in loosening direction | |
| CN108386440A (en) | Locking Anti-off bolt nut assembly | |
| CN214945652U (en) | Fastener for preventing automatic rolling movement in loosening direction | |
| WO2019205957A1 (en) | Double-nut threaded joint preventing self-rotation in loosening direction | |
| CN207093553U (en) | A kind of locking nut | |
| WO2015000317A1 (en) | Anti-loosening cylindrical threaded part | |
| CN106481636A (en) | A kind of Anti-loosening nut | |
| CN214945662U (en) | Thread pair capable of preventing automatic rolling motion in loosening direction | |
| CN112814986A (en) | Fastener for preventing automatic rolling movement in loosening direction | |
| CN108775325A (en) | Deformation type combines stop nut | |
| WO2019205956A1 (en) | Threaded joint preventing self-rotation in loosening direction | |
| CN211599240U (en) | Anti-loosening connecting pair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180904 |
|
| WD01 | Invention patent application deemed withdrawn after publication |