CN108386436A - Anti-loose fastener - Google Patents
Anti-loose fastener Download PDFInfo
- Publication number
- CN108386436A CN108386436A CN201810440650.6A CN201810440650A CN108386436A CN 108386436 A CN108386436 A CN 108386436A CN 201810440650 A CN201810440650 A CN 201810440650A CN 108386436 A CN108386436 A CN 108386436A
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- CN
- China
- Prior art keywords
- nut
- threaded rod
- dextrorotation
- handed
- protruding block
- 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- Withdrawn
Links
- 238000003032 molecular docking Methods 0.000 claims abstract description 13
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003484 anatomy Anatomy 0.000 description 2
- 238000011161 development Methods 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
- 244000098674 Pinus cembroides Species 0.000 description 1
- 235000005013 Pinus cembroides Nutrition 0.000 description 1
- 235000008591 Pinus cembroides var edulis Nutrition 0.000 description 1
- 235000015593 Pinus monophylla Nutrition 0.000 description 1
- 235000015594 Pinus parryana Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
-
- 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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of anti-loose fasteners, including bolt, the first nut and third nut, the bolt left-handed is made of into threaded rod and into threaded rod the dextrorotation of integral structure, wherein the first nut matches connection with dextrorotation into threaded rod, third nut matches connection with left-handed into threaded rod, third nut offers docking card slot close to the side of dextrorotation into threaded rod, and the first nut is equipped with protruding block close to the left-handed side into threaded rod, and protruding block is matched with docking card slot.Reasonable design of the present invention is ingenious, and manufacturing cost is low, and structure and the theoretical breakthrough existing theoretical definition to conventional fastener, and application theoretical to existing fastener produce bigger effect, and then plays the role of permanent anti-loose in varying load, is worthy to be popularized.
Description
Technical field
The present invention relates to novel fastener technical field more particularly to a kind of anti-loose fasteners.
Background technology
Currently, modern manufacturing industry high speed development, all kinds of new materials, new process emerge in large numbers in succession, and crowd is brought for traditional manufacture
More new approaches and new method.At the same time, since fastener development is almost stagnated, the modern manufacturing industry overwhelming majority is caused still to exist
Continue to use the conventional fastener progress parts connection and fastening for possessing one-hundred-year history.Conventional fastener is stood still and refuse to make progress,
Manufacturing collective demand instantly and extensive interests obviously are not met, so fastener is also badly in need of reforming.
Conventional threaded fasteners are all made of unidirectional precession screw-type bolt, and cooperation or single or double nut by fastener to being carried out
Fastening, can accomplish self-locking in a stationary situation.That is, in dead load, which will not loosen and fall off.But
Impacted by fastener, shake uniformly varying load effect under, after this phenomenon is especially repeated several times, just will appear loosening or
Person falls off.
Therefore, how to solve under varying load, fastener is not loosened, do not fallen off, and is the important topic in Investment in fastener industry.
At present solve loosened fastener method generally there are four types of：
1, machinery is locking, refers to the relative motion that bolts and nuts are limited with retainer.The disadvantage is that connecting portion part excessively causes
Dismounting it is difficult, increase connecting portion damage probability, increase and build and maintenance cost.
2, riveting punching is loosened, and is that the direct riveting of disposable screw rod is punched in by fastener.The disadvantage is that can not normally dismantle, it can only
Damage type is dismantled, and is dismantled difficult.
3, with the fastener of Tang thread, the fastener is by two-way screw type screw bolt, dextrorotation fastening nut, left-handed
Locking nut forms.From the point of view of the mentality of designing of the fastener, which, which imagines, utilizes the contradictory of bidirectional helical bolt
Property carry out it is locking.But in reality, occur not loosening with the fastening nut contacted by fastener under varying load
In the case of, locking nut at its upper end pine can move back in advance, and then the phenomenon that cause the fastening nut pine of lower end to move back.It is such existing
As also causing the design not play anti-loose effect.
4, Japanese Hadlock loosens fastener, which is to be applied using the protrusion off-centre operation of nut A
Frictional force and nut B and bolt, and then play anti-loosing effect.But the design defect is, after fasteners tight, bolt A is only
It is that frictional force is applied to bolt and nut B a side, with bolt B is mutually to be not connected to unexpectedly in another side bolt A
In vacant state, this is designed with severe compromise.
Invention content
The shortcomings that the purpose of the present invention is to solve easy loosening existing in the prior art, abrasions, and the one kind proposed
Anti-loose fastener.
To achieve the goals above, present invention employs following technical solutions：
Anti-loose fastener, including bolt, the first nut and third nut, the bolt is by the dextrorotation of integral structure into threaded rod
It is formed into threaded rod with left-handed, wherein the first nut and dextrorotation match connection into threaded rod, third nut and left-handed into threaded rod
Matching connection, third nut offer docking card slot close to the side of dextrorotation into threaded rod, and the first nut is close to left-handed into screw thread
The side of bar is equipped with protruding block, and protruding block is matched with docking card slot.
Preferably, the diameter of the dextrorotation into threaded rod is more than the left-handed diameter into threaded rod.
Preferably, the vertical section of the docking card slot and protruding block is trapezium structure, and docks the width of card slot than convex
The small 0.1-0.4mm of bittiness width.
Preferably, the protruding block is less than the diameter of the first nut close to the end face width of the first nut.
Preferably, the third nut is equipped with a circle cap edge close to the side outer wall of the first nut, and wherein cap is along with the
Three nuts are an integral structure, and the outer diameter on cap edge is more than the outer diameter of the first nut.
Preferably, the first interconnected threaded hole, and the first spiral shell are equipped in the middle part of first nut and protruding block
Pit matches with dextrorotation into threaded rod.
Preferably, the second threaded hole being connected to docking card slot, and the second screw thread are offered in the middle part of the third nut
Hole matches with left-handed into threaded rod.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the fastener is different from existing all kinds of designs, and bolt is designed as upper semisection and is slightly less than lower semisection, and upper semisection is
It is left-handed into screw thread, lower semisection is dextrorotation into screw thread, and the self-contradictory speciality of screw thread is utilized and two nut interiors generate i.e.
The contradiction structure for combining together and mutually restricting, to reach locking purpose；
2, this design does not interfere with normal dismounting, and after utility is normally dismantled, associated component can also continue to utilize.
Reasonable design of the present invention is ingenious, and manufacturing cost is low, and the existing theory of structure and theoretical breakthrough is to conventional fastener
Definition, and application theoretical to existing fastener produces bigger effect, and then plays in the permanent anti-loose work of varying load
With being worthy to be popularized.
Description of the drawings
Fig. 1 is the assembling structure schematic diagram of anti-loose fastener proposed by the present invention；
Fig. 2 is the anatomy structural schematic diagram of the first nut of anti-loose fastener proposed by the present invention；
Fig. 3 is the anatomy structural schematic diagram of the second nut of anti-loose fastener proposed by the present invention；
Fig. 4 is the structural schematic diagram of the bolt of anti-loose fastener proposed by the present invention.
In figure：1 bolt, 2 first nuts, 3 third nuts, 11 dextrorotation into threaded rod, 12 it is left-handed into threaded rod, 21 protrusion
Block, 22 first threaded holes, 31 caps edge, 32 second threaded holes, 33 docking card slots.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, anti-loose fastener, including bolt 1, the first nut 2 and third nut 3, bolt 1 is by integral structure
Dextrorotation into threaded rod 11 and it is left-handed formed into threaded rod 12, wherein the first nut 2 matches connection with dextrorotation into threaded rod 11, the
Three nuts 3 match connection with left-handed into threaded rod 12, and third nut 3 offers docking card close to the side of dextrorotation into threaded rod 11
Slot 33, the first nut 2 is equipped with protruding block 21 close to the left-handed side into threaded rod 12, and protruding block 21 matches with card slot 33 is docked
It closes.
In the present embodiment, the diameter of dextrorotation into threaded rod 11 is more than the left-handed diameter into threaded rod 12, docks 33 He of card slot
The vertical section of protruding block 21 is trapezium structure, and the width for docking card slot 33 is smaller 0.1-0.4mm than the width of protruding block 21, convex
Bittiness 21 are less than the diameter of the first nut 2 close to the end face width of the first nut 2, ensure protruding block 21 and to dock card slot 33 right
When connecing, the first nut 2 and third nut 3 are interference fitted, and have close Connected degree.
Third nut 3 is equipped with a circle cap along 31 close to the side outer wall of the first nut 2, and wherein cap is along 31 and third nut
3 are an integral structure, and cap is more than the outer diameter of the first nut 2 along 31 outer diameter, and cap can have protruding block 21 along 31 parts
Certain reinforcement protection effect.
The middle part of first nut 2 and protruding block 21 is equipped with the first interconnected threaded hole 22, and the first threaded hole 22
Matching into threaded rod 11 with dextrorotation, the middle part of third nut 3 offers the second threaded hole 32 being connected to docking card slot 33, and
Second threaded hole 32 matches with left-handed into threaded rod 12.
In the present embodiment, the dextrorotation of the first nut 2 and 1 lower semisection of bolt is pacified into threaded rod 11 first with tool
Dress, the first nut 2 is maintained at the stage casing position of bolt 1 at this time, then proceedes to utilize tool by third nut 3 and bolt 1
The left-handed of upper semisection is installed into threaded rod 12, and the is fixed during third nut 3 is movable towards 1 lower semisection of bolt
One nut 2 so that protruding block 21 ensures 2 He of the first nut inside the precession docking card slot 33 under compulsory extruding force slowly
It is closely connected between third nut 3, after this harness fastener combines, because the upper and lower hand of spiral of bolt 1 is different, first
Any one of nut 2 and third nut 3 can only drive another screw thread turn more and more tighter when activity generates loosening, and because
First nut 2 and 3 friction knot of third nut are combined into approximate one, so the position of the first nut 2 and third nut 3 will be by forever
It is fixed long, achieve the purpose that permanent anti-loose in varying load, is suitable for rail traffic, aviation, water transport etc. high frequency vibrating
Dynamic field, is worthy to be popularized.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. anti-loose fastener, including bolt（1）, the first nut（2）With third nut（3）, which is characterized in that the bolt（1）
By the dextrorotation of integral structure into threaded rod（11）With left-handed into threaded rod（12）Composition, wherein the first nut（2）With dextrorotation into
Threaded rod（11）Matching connection, third nut（3）With left-handed into threaded rod（12）Matching connection, third nut（3）Close to dextrorotation
Into threaded rod（11）Side offer docking card slot（33）, the first nut（2）Close to left-handed into threaded rod（12）Side set
There is protruding block（21）, and protruding block（21）With dock card slot（33）It matches.
2. anti-loose fastener according to claim 1, which is characterized in that the dextrorotation is into threaded rod（11）Diameter be more than
It is left-handed into threaded rod（12）Diameter.
3. anti-loose fastener according to claim 1, which is characterized in that the docking card slot（33）And protruding block（21）'s
Vertical section is trapezium structure, and docks card slot（33）Width compare protruding block（21）The small 0.1-0.4mm of width.
4. anti-loose fastener according to claim 1, which is characterized in that the protruding block（21）Close to the first nut（2）
End face width be less than the first nut（2）Diameter.
5. anti-loose fastener according to claim 1, which is characterized in that the third nut（3）Close to the first nut（2）
Side outer wall be equipped with a circle cap edge（31）, wherein cap edge（31）With third nut（3）It is an integral structure, and cap edge（31）
Outer diameter be more than the first nut（2）Outer diameter.
6. anti-loose fastener according to claim 1, which is characterized in that first nut（2）And protruding block（21）'s
Middle part is equipped with the first interconnected threaded hole（22）, and the first threaded hole（22）With dextrorotation into threaded rod（11）Match.
7. anti-loose fastener according to claim 1, which is characterized in that the third nut（3）Middle part offer with
Dock card slot（33）Second threaded hole of connection（32）, and the second threaded hole（32）With left-handed into threaded rod（12）Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440650.6A CN108386436A (en) | 2018-05-10 | 2018-05-10 | Anti-loose fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440650.6A CN108386436A (en) | 2018-05-10 | 2018-05-10 | Anti-loose fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108386436A true CN108386436A (en) | 2018-08-10 |
Family
ID=63070433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810440650.6A Withdrawn CN108386436A (en) | 2018-05-10 | 2018-05-10 | Anti-loose fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108386436A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159640A (en) * | 2019-05-30 | 2019-08-23 | 深圳市南帝自行车有限公司 | A kind of anti-loosening screw nut assembly |
| CN111550488A (en) * | 2019-02-10 | 2020-08-18 | 徐立新 | Anti-loosening bolt |
| CN113944682A (en) * | 2021-11-10 | 2022-01-18 | 赵小兵 | Double-nut mutually-restricted anti-loosening bolt assembly |
-
2018
- 2018-05-10 CN CN201810440650.6A patent/CN108386436A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550488A (en) * | 2019-02-10 | 2020-08-18 | 徐立新 | Anti-loosening bolt |
| CN110159640A (en) * | 2019-05-30 | 2019-08-23 | 深圳市南帝自行车有限公司 | A kind of anti-loosening screw nut assembly |
| CN113944682A (en) * | 2021-11-10 | 2022-01-18 | 赵小兵 | Double-nut mutually-restricted anti-loosening bolt assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180810 |
|
| WW01 | Invention patent application withdrawn after publication |