CN106640913B - A kind of locking and unlocking method of fastener and manufacturing method and fastener - Google Patents
A kind of locking and unlocking method of fastener and manufacturing method and fastener Download PDFInfo
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- CN106640913B CN106640913B CN201610977904.9A CN201610977904A CN106640913B CN 106640913 B CN106640913 B CN 106640913B CN 201610977904 A CN201610977904 A CN 201610977904A CN 106640913 B CN106640913 B CN 106640913B
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- elastic piece
- spring coil
- ring plate
- lock
- fastener
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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
- 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
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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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of a kind of fasteners that can prevent from loosening for a long time, including nut, the spring coil of screw rod can be lockked, it is characterized by: the spring coil is fixed at the close top on nut and around nut bore, flexible lock section is arranged in the spring coil, and is lockked nut and screw rod using the position cooperation with lock section cooperation on the lock section and screw rod of the elasticity.The present invention also provides the manufacturing method of above-mentioned fastener, locking and unlocking method, fastener provided by the present invention can prevent from loosening for a long time by locking structure, can exempt using being welded and can dismantle, reusable and be suitable for automation and install；Meanwhile structure of the invention is suitable for cold-heading stamped, intensity is big, at low cost.
Description
Technical field
The present invention relates to a kind of fastener more particularly to it is a kind of for all kinds of machinery, engineering, railway anti-loose fastener,
The invention further relates to the locking and unlocking methods and manufacturing method of fastener.
Background technique
Existing deformation stop nut mainly realizes locking functions to flatten screw thread or hole is pressed into oval circle.In this way
It is very big that resistance can be screwed into, screw rod is will lead to and twist into two parts or twist and split, and secondary cannot be used again after thread damage, in Long-term Vibration and
It is pneumatic it is equal cannot be for a long time using needing to regularly replace when using.
Existing plastics damp stop nut, mainly reach locking with plastic part damping, and it is very big to be screwed into resistance in this way, right
Will lead to torsion for coagulation soil blister bolt or stone material back of the body bolt cannot tighten greater than hole wall friction, and plastics damping piece can be old
Change, as its plastics damping piece service life is shorter in the sun for exposure.
Existing steel disc stop nut is equipped with 2 plate plane spring leafs on nut top, is reached by being screwed by force for screw thread
It is locking, it can be screwed into resistance so very greatly (cutting the resistance of screw thread containing Bao), will lead to screw rod and twist into two parts or twist and split, and thread damage
After secondary cannot use again, and anti-loosing effect is also bad, can be loose under long-time use.
Existing bias blocking double nut and compression blocking double nut, fasten for electric railway electric power suspension and support, such
Bolt cost is high, cannot fall down for a long time using needing to regularly replace once relaxation will lead to loosen.
Above-mentioned technology is when being used for the back of the body bolt such as concrete anchor bolt and stone material, porcelain plate, because torsion is excessive, so as to cause rotation
Hole wall is destroyed, therefore is then not used above-mentioned loosing Prevention Technology using being welded in building curtain wall industry.
Summary of the invention
Present invention technical problem to be solved first provides a kind of a kind of fastener that can prevent from loosening for a long time, is suitable for certainly
Dynamicization installation, quick detachable, installation torsion is small, reusable, and structure is simply inexpensive.
A kind of fastener, including nut can lock the spring coil of screw rod, it is characterised in that: the spring coil is fixed on nut
On close top at and around nut bore, flexible lock section is arranged in the spring coil, and utilizes the lock section of the elasticity and spiral shell
Nut and screw rod are lockked in the position cooperation with lock section cooperation on bar.
On the basis of by adopting the above technical scheme, the present invention also can be used technical solution further below or to these
Further solution pool uses:
The spring coil includes the multiple elastic pieces dug installing ring plate and being on the inside of installation ring plate, the elastic piece
Form the lock section, the free end end of elastic piece be the lock end stuck up into nut bore and with the slot with lock section cooperation on screw rod
Cooperation.
The spring coil includes installing ring plate and being in reduce on the inside of installation ring plate to screw in the same with screw flight of resistance
To inclined multistage elastic piece, tilt angle and the lead angle difference of the elastic piece, the elastic piece can be caught in screw rod
In thread groove and along being threaded into, the elastic piece forms the lock section, and the inner side edge of the elastic piece has lock tooth, the lock
Tooth is engaged with the tooth socket at the top of screw flight trench bottom or screw flight.Spring coil mounting ring piece is carried at the nut bore upper end
The sinking circle that has a down dip for elastic piece is equipped at step, it is ensured that elastic piece meets and screw flight inclined angle in the same direction.
The width at the position of the spring coil setting elastic piece is narrow, forms deformable Spring beams.
The spring coil includes installing ring plate and being in reduce on the inside of installation ring plate to screw in the same with screw flight of resistance
To inclined multistage elastic piece, tilt angle and the lead angle difference of the elastic piece, the elastic piece can be caught in screw rod
In thread groove and along being threaded into, the elastic piece forms the lock section, the upper end of the elastic piece at lock end and on screw rod
With lock section cooperation slot cooperate.It carries to be equipped at the step of spring coil mounting ring piece at the nut bore upper end and have a down dip for elastic piece
Sinking circle, it is ensured that elastic piece meets and screw flight inclined angle in the same direction.
Slot on the screw rod is the slot that upper end has oral area, and tool is passed through from the oral area and acts on institute
Lock end is stated, is unlocked.
The tilt angle of the elastic piece is greater than the lift angle of screw thread.
The end that the spring coil enters the position of thread groove is equipped with the fillet for importing thread groove.
The nut has step at the nut bore upper end, and the spring coil includes installation ring plate, the installation
Ring plate is placed on the step, and makes its transfer by squeezing metal material, and to form cell wall on installation ring plate,
The cell wall and step compress installation ring plate retainer spring circle.It carries to be equipped at the step of spring coil mounting ring piece at nut bore upper end and supply
The sinking circle that elastic piece has a down dip.
There is notch on the outside of the installation ring plate of the spring coil, when so that its transfer is formed cell wall by squeezing metal material,
But also the metal material at mesa sidewall, which is transferred into indentation, there, forms circumferential location structure.
The present invention another the technical problem to be solved is that the manufacturing method of above-mentioned fastener is provided, for this purpose, of the invention
Using following technical scheme:
The manufacturing method of fastener, it is characterised in that:
The blank of nut after finalization of the manufacture, in the step at the top of it with carrying spring coil mounting ring piece and is higher than
The mesa sidewall of ring plate thickness is installed, and after installation ring plate is placed on step, metal material is squeezed by punch die, makes step
The metal material of side wall shifts, and cell wall is formed on installation ring plate, and the cell wall and step compress installation ring plate retainer spring circle；
There are multiple elastic pieces dug on the inside of the installation ring plate of the spring coil, the elastic piece forms the lock section,
When the free end end of elastic piece is the lock end stuck up into nut bore and cooperates with the slot on screw rod with lock section cooperation, described
After cell wall and step compress installation ring plate retainer spring circle, to part fracture of the spring coil protrusion in nut bore, turn over to be formed it is described
Elastic piece or the elastic piece and its this part of lock end have been formed and not upper before spring coil is placed on the step
It turns over, after spring coil is fixed, this part is turned over and forms the elastic piece or this part has also turned over, only needed
Snap is placed on step and carries out above-mentioned fixation.
It is carried at nut bore upper end and is equipped with sinkings circle at the step of spring coil mounting ring piece and has a down dip position for elastic piece
Into.
Have on the inside of the installation ring plate of the spring coil and screw flight inclined multistage elastic piece in the same direction, the elastic piece
The lock section is formed, when the upper end of the elastic piece is at lock end, after the cell wall and step compress installation ring plate retainer spring circle,
To part fracture of the spring coil protrusion in nut bore, swaging is upwarped along screw thread swaging, upper end and forms the elastic piece or described
Elastic piece has been formed before spring coil is placed on the step；
Have on the inside of the installation ring plate of the spring coil and screw flight inclined multistage elastic piece in the same direction, the elastic piece
The lock section is formed, when the inner side edge of the elastic piece has lock tooth, the lock tooth is before spring coil is placed on the step
It has been formed that, it is suitable to part of the spring coil protrusion in nut bore after the cell wall and step compress installation ring plate retainer spring circle
Screw thread swaging, or also completed before spring coil is placed on the step along screw thread swaging.
Further, there is notch on the outside of the installation ring plate of the spring coil, metal material is being squeezed by punch die, is making step
The metal material of side wall shifts, when installing formation cell wall on ring plate, but also the metal material at mesa sidewall is transferred into
Enter to indentation, there and forms circumferential location structure.
The present invention another the technical problem to be solved is that providing the locking and unlocking method of above-mentioned fastener, for this purpose,
The invention adopts the following technical scheme:
A kind of locking and unlocking method of fastener, it is characterised in that it is respectively provided with following steps:
When the spring coil include ring plate is installed and be on the inside of installation ring plate with screw flight inclined multistage in the same direction
Elastic piece, tilt angle and the lead angle difference of the elastic piece, the elastic piece can be caught in screw flight slot and suitable
It is threaded into, the elastic piece forms the lock section, and the inner side edge of the elastic piece has lock tooth, the lock tooth and screw flight
The tooth socket of trench bottom engages；The width at the position of the snap setting elastic piece is narrow, forms deformable Spring beams；
In fastening, lock section can beat because having elasticity in thread-groove bottom gullet surface to be slipped over, after complete fastening,
Clamping of the elastic piece to screw rod is reinforced using the elasticity of Spring beams, so that the lock tooth of the elastic piece inner side edge and screw rod spiral shell
Groove bottom tooth socket tightly engages, while different from the angle of screw flight using the elastic piece tilt angle, so that elastic
Piece is caught in the cooperation of spiral cell wall jam-packed, forms locking, to guarantee not rotating backward and spiral shell under fierce vibration, earthquake, wind shake
Mother will not ease out；In unlock, reversely turn nut, when the elastic force of Spring beams be overcome and when deformation, the lock tooth cunning
Tooth socket out is able to unlock and can turn nut.
Further, the lock tooth can be the angular teeth of inverse time direction straight-tooth or the oblique angle that inverse time orientation angle is less than normal
Tooth, torsion required for rotating backward unlock are greater than positive fastening and screw required torsion.
When the spring coil include ring plate is installed and be on the inside of installation ring plate with screw flight inclined multistage in the same direction
Elastic piece, tilt angle and the lead angle difference of the elastic piece, the elastic piece can be caught in screw flight slot and suitable
Be threaded into, the elastic piece forms the lock section, the upper end of the elastic piece be upturned into lock end and on screw rod with
The slot cooperation of lock section cooperation；
In fastening, lock section can be beated using the elasticity of elastic piece in screw thread flute wall surfaces to be slipped over, after the completion of fastening,
Lock end is caught in the slot on the screw rod eventually fallen into lock section cooperation, while different from the angle of screw thread using the elastic piece, makes
It obtains and is caught in jam-packed cooperation between elastic piece and screw thread groove groove wall, form locking, can not rotate backward；In unlock, will have can
Above-mentioned lock end is extruded slot between the nut and screw rod outside by the round tool headed between on the outside of nut and screw rod, is carried out
It unlocks and the reversed turn nut of energy.
When the spring coil includes the multiple elastic pieces dug installing ring plate and being on the inside of installation ring plate, the elasticity
Piece forms the lock section, the free end end of elastic piece be the lock end stuck up into nut bore and with cooperating on screw rod with lock section
Slot cooperation；
In fastening, lock section can be beated using the elasticity of elastic piece in screw surface to be slipped over, after the completion of fastening, inwardly
The lock end stuck up is caught in the slot on the screw rod eventually fallen into lock section cooperation, forms locking, to guarantee in fierce vibration, earthquake, wind
It can not be rotated backward and nut will not ease out under shake；Unlock when, by tool from the oral area of slot be passed through in slot and oppress it is above-mentioned to
The lock end inside stuck up is unlocked and the reversed turn nut of energy.
Due to using technical solution of the present invention, fastener provided by the present invention can prevent for a long time pine by locking structure
It is dynamic, can exempt using being welded and can dismantle, it is reusable and installed suitable for automating；Meanwhile structure of the invention
Suitable for cold-heading stamped, intensity is big, at low cost.
Detailed description of the invention
Fig. 1 is the top view of 1 spring coil of fastener embodiment of the present invention.
Fig. 2 is the top view for the nut that fastener embodiment 1 of the present invention installs spring coil.
Fig. 3 is the cross-sectional view for the nut that fastener embodiment 1 of the present invention installs spring coil.
Fig. 4 is the top view after 1 connecting screw of fastener embodiment of the present invention.
Fig. 5 is the top view of 2 spring coil of fastener embodiment of the present invention.
Fig. 6 is the top view for the nut that fastener embodiment 2 of the present invention installs spring coil.
Fig. 7 is the cross-sectional view for the nut that fastener embodiment 2 of the present invention installs spring coil.
Fig. 8 is the top view after 2 connecting screw of fastener embodiment of the present invention.
Fig. 9 is the top view of 3 spring coil of fastener embodiment of the present invention.
Figure 10 is the top view for the nut that fastener embodiment 3 of the present invention installs spring coil.
Figure 11 is the cross-sectional view for the nut that fastener embodiment 3 of the present invention installs spring coil.
Figure 12 is the top view after 3 connecting screw of fastener embodiment of the present invention.
Figure 13 is the main view of screw rod used in embodiment 1,3.
Figure 14 is the attached view of screw rod used in embodiment 1,3.
Figure 15 is the main view of screw rod used in embodiment 2.
Figure 16 is the main view of the another embodiment of screw rod used in embodiment 2.
Specific embodiment
Embodiment 1, referring to attached drawing 1-4,13,14.
Fastener provided by the present invention, including nut 1, can lock the spring coil 31 of screw rod 2, and the spring coil 31 is fixed on
At top and around nut bore 10 on nut 1, flexible lock section is arranged in the spring coil 31, and utilizes the lock of the elasticity
Nut 1 and screw rod 2 are lockked in the position cooperation with lock section cooperation in portion and screw rod.
The spring coil 31 includes installation ring plate 311 and the multiple elastic pieces dug for being in 311 inside of installation ring plate
312, the elastic piece forms the lock section, the free end end 313 of elastic piece 312 be the lock end stuck up into nut bore 10 and with
The cooperation of slot 21 with lock section cooperation on screw rod 2, locks screw rod 2.
Slot 21 on the screw rod is the slot in screw surface axially along a screw, is along the circumferential direction evenly equipped in screw surface
A plurality of slot 21, the quantity of the preferably described elastic piece and the quantity of slot 21 are equal, and the spacing of lock end is also consistent with the spacing of slot 21, slot
21 using the screw thread end face being disconnected as cell wall, and the upper end has oral area 211, enables tool logical from the oral area 211
Enter and act on the lock end 313, is unlocked.
The present embodiment fastener locking and unlocking method are as follows:
In fastening, as nut is screwing the rotation on direction, lock section 312 can be in screw rod using the elasticity of elastic piece
Surface run_out slips over, and after the completion of fastening, the lock end 313 inwardly stuck up is caught on the screw rod 2 eventually fallen into and the cooperation of lock section 312
Slot 21 forms locking, locks screw rod, and to guarantee not rotating backward under fierce vibration, earthquake, wind shake, nut will not pine
Out；In unlock, tool is passed through in slot from the oral area and opens the above-mentioned lock end 313 inwardly stuck up, be unlocked and can be anti-
To turn nut.
When manufacture, the blank of nut after finalization of the manufacture, has carrying spring coil installation at the nut bore upper end
The step 11 of ring plate 311 and higher than installation ring plate thickness mesa sidewall, and installation ring plate 311 be placed on step after, lead to
It crosses punch die and squeezes metal material, shift the metal material of mesa sidewall, form cell wall 12, the cell wall on installation ring plate
12 and step 11 compress the fixed spring coil 31 of installation ring plate 311.
There is notch 314 on the outside of the installation ring plate 31 of the spring coil 31, form its transfer by squeezing metal material
When cell wall 12, but also the metal material at mesa sidewall, which is transferred at notch 314, forms circumferential location structure.
After the cell wall 12 and step 11 compress the fixed spring coil 31 of installation ring plate 311, to spring coil protrusion in nut bore
Part fracture, turn over to form the elastic piece 312, at this time nut become molding spring coil 31 a step on tooling.
Alternatively, the elastic piece 312 and its this part of lock end 313 before spring coil 3 is placed on the step 11
It is formed and is not flipped up also, this can be used traditional punching machine step-by-step process and completes, and after spring coil 31 is fixed, carry out to this part
It turns over and forms the elastic piece or elastic piece and also turned over, need to only be fixed on nut.
Embodiment 2, referring to attached drawing 5-8,15,16.
Fastener provided by the present invention, including nut 1, can lock the spring coil 32 of screw rod 2, and the spring coil 32 is fixed on
At top and around nut bore 10 on nut 1, flexible lock section is arranged in the spring coil 32, and utilizes the lock of the elasticity
Nut 1 and screw rod 2 are lockked in the position cooperation with lock section cooperation in portion and screw rod.
The spring coil 32 include installation ring plate 321 and be in installation ring plate on the inside of can reduce screw in resistance with screw rod spiral shell
Inclined multistage elastic piece 322, described 322 one end of elastic piece upwarp one end and have a down dip line in the same direction, the tilt angle of elastic piece 322 and
Lead angle is different, generally higher than the lift angle of screw thread, the elasticity and its inclination that the elastic piece 322 can be upward using its upper and lower
And be caught in screw flight slot and along being threaded into, the elastic piece 322 forms the lock section, the inner side edge of the elastic piece
With lock tooth 323, the lock tooth 323 is engaged with the tooth socket 23a of screw flight trench bottom (see Figure 15), is lockked screw rod 2, is worked as screw rod
When being relatively large in diameter, tooth socket 23b more preferably is set at the top of screw flight, the lock tooth 323 engages with tooth socket 23b (see figure
16).
There is the step 11 of carrying spring coil mounting ring piece 321, the outside of step 11, which is equipped with, to be supplied at the nut bore upper end
The sinking circle 110 that elastic piece 322 has a down dip, it is ensured that elastic piece 322 meets and screw flight inclined angle in the same direction.
The width at the position of the spring coil setting elastic piece 322 is narrow, forms deformable Spring beams 324.
The end of the elastic piece 322 is equipped with the fillet 325 for importing thread groove.
The present embodiment fastener locking and unlocking method are as follows:
In fastening, as nut is screwing the rotation on direction, elasticity that lock section 322 can utilize its upper and lower upward and
It tilts and is caught in screw flight slot and along being threaded into, lock section 322 because having elasticity, lock tooth 323 and can be in screw thread
The bounce of trench bottom gullet surface slips over, and the spacing between different lock sections is smaller than the lateral dimension of screw rod, after complete fastening, benefit
Clamping of the elastic piece 322 to screw rod 2 is reinforced with the elasticity of Spring beams 324, so that the lock tooth 323 of the elastic piece inner side edge
It is tightly engaged with screw flight trench bottom tooth socket 23, while utilizing the angle of elastic piece 322 tilt angle and screw flight
Difference is the elasticity in up and down direction, so that elastic piece 322 is caught in the cooperation of spiral cell wall jam-packed, forms locking, locks screw rod
2, to guarantee not rotate backward in the case where fierce vibration, earthquake, wind shake and nut will not ease out；In unlock, reversely turn
Nut, when the elastic force of Spring beams 324 is overcome when elastic deformation, the lock tooth 323 skids off tooth socket 23, be able to unlock and
Nut can be turned.
The lock tooth 323 can be the angular teeth of inverse time direction straight-tooth or the angular teeth that inverse time orientation angle is less than normal, make
Torsion required for unlock rotates backward is greater than positive fastening and screws required torsion.Also it may be selected in the symmetrical of positive triangle
Tooth.But it is preferentially selected as inverse time orientation angle angular teeth less than normal, as long as making to make lock tooth logical when torsion is sufficiently large when disassembly
It crosses elastomer pop-up and exits engagement, the anti-loosing effect of symmetric teeth can difference.
When manufacture, the blank of nut after finalization of the manufacture, has carrying spring coil installation at the nut bore upper end
The step 11 of ring plate 321 and higher than installation ring plate thickness mesa sidewall, and installation ring plate 321 be placed on step after,
Elastic piece 322 have a down dip position enter sinking circle, by punch die squeeze metal material, shift the metal material of mesa sidewall,
It installs and forms cell wall 12 on ring plate 321, the cell wall 12 and step 11 compress the fixed spring coil 32 of installation ring plate 321.
When forming cell wall 12, Spring beams 324 should not be pushed down and there are deformation spaces 13 on the outside.
The lock tooth 323 has been formed before spring coil 32 is placed on the step 11, in the cell wall 12 and step
After 11 compress installation ring plate retainer spring circles, part of the spring coil protrusion in nut bore 10 is formed along screw thread swaging described inclined
Spring leaf 322, or also completed before spring coil is placed on the step along screw thread swaging.
Embodiment 3, referring to attached drawing 9-14.
Fastener provided by the present invention, including nut 1, can lock the spring coil 33 of screw rod 2, and the spring coil 32 is fixed on
At top and around nut bore 10 on nut 1, flexible lock section is arranged in the spring coil 33, and utilizes the lock of the elasticity
Nut 1 and screw rod 2 are lockked in the position cooperation with lock section cooperation in portion and screw rod.
The spring coil 3 includes installation ring plate 331 and is in inclined more in the same direction with screw flight on the inside of installation ring plate
Section elastic piece 332, make installation when along be threaded into when preferably mitigate resistance, the tilt angle and lead angle of elastic piece 332
Difference, the generally higher than lift angle of screw thread, the elastic piece 332 can be caught in spiral shell using its upper and lower upward elasticity and its inclination
In the thread groove of bar and along being threaded into, the elastic piece 332 forms the lock section, and the elastic piece 332 is in cantilever-shaped, upper end
At lock end 333 with the cooperation of slot 21 with lock section cooperation on screw rod, screw rod 2 is lockked.
There is the step 11 of carrying spring coil mounting ring piece 331, the outside of step 11, which is equipped with, to be supplied at the nut bore upper end
The sinking circle 110 that elastic piece 332 has a down dip, it is ensured that elastic piece 332 meet with screw flight inclined angle in the same direction, when meeting installation
It easily suitable can be threaded into.
Slot 21 on the screw rod is the slot in screw surface axially along a screw, is along the circumferential direction evenly equipped in screw surface
A plurality of slot 21, the spacing of lock end 333 is also consistent with the spacing of slot 21, slot 21 using the screw thread end face being disconnected as cell wall,
Upper end has oral area 211, so that the lock end 333 is pushed with the round tool that can be headed between on the outside of nut 12 and screw rod,
It is unlocked.
The elastic piece 332 may extend from the elastic piece substrate on the inside of installation ring plate, and the head of substrate, which is equipped with, imports spiral shell
The fillet 334 of groove.
The present embodiment fastener locking and unlocking method are as follows:
In fastening, as nut is screwing the rotation on direction, lock section 333 can be in screw rod using the elasticity of elastic piece
The flute wall surfaces bounce of thread groove slips over, and after the completion of fastening, lock end 333 is caught on the screw rod 2 eventually fallen into matches with lock section 332
The slot 21 of conjunction, at the same it is different from the angle of screw thread using the elastic piece 332, so that blocking between elastic piece 33 and slot screw thread cell wall
Enter jam-packed cooperation, form locking, can not rotate backward, lock screw rod, with guarantee can not be anti-in the case where fierce vibration, earthquake, wind shake
To rotation, nut will not be eased out；In unlock, by with the round tool that can be headed between on the outside of nut 12 and screw rod from spiral shell
Above-mentioned lock end 333 is extruded into slot 21 between mother 12 and screw rod outside, is unlocked and the reversed turn nut of energy, alternatively, with can
The round tool and nutting sleeve metal plate hand combination tool headed between on the outside of nut 12 and screw rod is oppressing above-mentioned lock end 333
Meanwhile it being unlocked and the reversed turn nut of energy.
When manufacture, the blank of nut after finalization of the manufacture, has carrying spring coil installation at the nut bore upper end
The step 11 of ring plate 331 and higher than installation ring plate thickness mesa sidewall, and installation ring plate 331 be placed on step after,
Elastic piece 332 have a down dip position enter sinking circle, by punch die squeeze metal material, shift the metal material of mesa sidewall,
It installs and forms cell wall 12 on ring plate, the cell wall 12 and step 11 compress the fixed spring coil 33 of installation ring plate 331.
There is notch 335 on the outside of the installation ring plate 31 of the spring coil 33, form its transfer by squeezing metal material
When cell wall 12, but also the metal material at mesa sidewall, which is transferred at notch 335, forms circumferential location structure.
After the cell wall 12 and step 11 compress the fixed spring coil 33 of installation ring plate 311, spring coil 33 is protruded in nut bore
Interior part fracture upwarps swaging and forms the elastic piece 332 or the elastic piece in spring coil quilt along screw thread swaging, upper end
The step 11 is placed on to go forward to have been formed；It need to only be fixed on nut.
Above is only a specific embodiment of the present invention, but structure feature of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the protection scope of the present invention the technical staff in field.
Claims (23)
1. a kind of fastener, including nut can lock the spring coil of screw rod, it is characterised in that: the spring coil is fixed on nut
Close top at and around nut bore, flexible lock section is arranged in the spring coil, and utilizes the lock section of the elasticity and screw rod
On the position cooperation with the lock section cooperation nut and screw rod are lockked；
The spring coil include ring plate is installed and be on the inside of installation ring plate with screw flight inclined multistage elastic piece in the same direction,
The tilt angle of the elastic piece and lead angle difference, the elastic piece can be caught in screw flight slot and revolve along screw thread
Enter, the elastic piece forms the lock section, and the inner side edge of the elastic piece has lock tooth, the lock tooth and screw flight trench bottom
Or the tooth socket engagement at the top of screw flight.
2. a kind of fastener as described in claim 1, it is characterised in that: the spring coil is including installation ring plate and is in installation
Multiple elastic pieces dug on the inside of ring plate, the elastic piece form the lock section, and the free end end of elastic piece is to nut
The lock end stuck up in hole and cooperate with the slot on screw rod with lock section cooperation.
3. a kind of fastener as claimed in claim 2, it is characterised in that: the slot on the screw rod is that upper end has oral area
Slot enables tool to be passed through from the oral area and act on the lock end, is unlocked.
4. a kind of fastener as described in claim 1, it is characterised in that: the width at the position of the spring coil setting elastic piece
It is narrow, form deformable Spring beams.
5. a kind of fastener as described in claim 1, it is characterised in that: the tilt angle of the elastic piece is greater than the liter of screw thread
Angle.
6. a kind of fastener as described in claim 1, it is characterised in that: the end that the spring coil enters the position of thread groove is set
There is the fillet for importing thread groove.
7. a kind of fastener as described in claim 1, it is characterised in that: the nut is having at the nut bore upper end
There is step, the spring coil includes installation ring plate, and the installation ring plate is placed on the step, and makes by squeezing metal material
It is shifted, and to form cell wall on installation ring plate, and the cell wall and step compress installation ring plate retainer spring circle.
8. a kind of fastener as claimed in claim 7, it is characterised in that: there is notch on the outside of the installation ring plate of the spring coil,
When so that its transfer is formed cell wall by squeezing metal material, but also the metal material at mesa sidewall is transferred into notch
Place forms circumferential location structure.
9. a kind of fastener as claimed in claim 7, it is characterised in that: carry the platform of spring coil mounting ring piece at nut bore upper end
The sinking circle having a down dip for elastic piece is equipped at rank.
10. a kind of fastener, including nut can lock the spring coil of screw rod, it is characterised in that: the spring coil is fixed on nut
Close top at and around nut bore, flexible lock section is arranged in the spring coil, and utilizes the lock section of the elasticity and screw rod
On the position cooperation with the lock section cooperation nut and screw rod are lockked；
The spring coil include ring plate is installed and be on the inside of installation ring plate with screw flight inclined multistage elastic piece in the same direction,
The tilt angle of the elastic piece and lead angle difference, the elastic piece can be caught in screw flight slot and revolve along screw thread
Enter, the elastic piece forms the lock section, and the upper end of the elastic piece is matched at lock end with the slot cooperated with lock section on screw rod
It closes.
11. a kind of fastener as claimed in claim 10, it is characterised in that: the spring coil is including installation ring plate and is in peace
Multiple elastic pieces dug on the inside of ring plate are filled, the elastic piece forms the lock section, and the free end end of elastic piece is to spiral shell
The lock end stuck up in female hole and cooperate with the slot on screw rod with lock section cooperation.
12. a kind of fastener as claimed in claim 10, it is characterised in that: the slot on the screw rod is that upper end has oral area
Slot enables tool to be passed through from the oral area and act on the lock end, is unlocked.
13. a kind of fastener as claimed in claim 10, it is characterised in that: the tilt angle of the elastic piece is greater than screw thread
Lift angle.
14. a kind of fastener as claimed in claim 10, it is characterised in that: the spring coil enters the end at the position of thread groove
Equipped with the fillet for importing thread groove.
15. a kind of fastener as claimed in claim 10, it is characterised in that: the nut is at the nut bore upper end
With step, the spring coil includes installation ring plate, and the installation ring plate is placed on the step, and by squeezing metal material
Make its transfer, and to form cell wall on installation ring plate, the cell wall and step compress installation ring plate retainer spring circle.
16. a kind of fastener as claimed in claim 15, it is characterised in that: have on the outside of the installation ring plate of the spring coil and lack
Mouthful, when so that its transfer is formed cell wall by squeezing metal material, but also the metal material at mesa sidewall is transferred into
Indentation, there forms circumferential location structure.
17. a kind of fastener as claimed in claim 15, it is characterised in that: carry spring coil mounting ring piece at nut bore upper end
The sinking circle having a down dip for elastic piece is equipped at step.
18. the manufacturing method of fastener described in claim 1, it is characterised in that:
The blank of nut after finalization of the manufacture, in the step at the top of it with carrying spring coil mounting ring piece and is higher than installation
The mesa sidewall of ring plate thickness, and after installation ring plate is placed on step, metal material is squeezed by punch die, makes mesa sidewall
Metal material transfer, form cell wall on installation ring plate, the cell wall and step compress installation ring plate retainer spring circle；
There are multiple elastic pieces dug on the inside of the installation ring plate of the spring coil, the elastic piece forms the lock section, elasticity
When the free end end of piece is the lock end stuck up into nut bore and cooperates with the slot on screw rod with lock section cooperation, in the cell wall
After compressing installation ring plate retainer spring circle with step, to part fracture of the spring coil protrusion in nut bore, turn over to form the elasticity
Piece or the elastic piece and its this part of lock end have formed before spring coil is placed on the step and have not been flipped up,
After spring coil is fixed, this part is turned over and forms the elastic piece or this part has also turned over, it only need to be by snap
It is placed on step and carries out above-mentioned fixation；
With inclined multistage elastic piece, the elastic piece are formed in the same direction with screw flight on the inside of the installation ring plate of the spring coil
The lock section, when the upper end of the elastic piece is at lock end, after the cell wall and step compress installation ring plate retainer spring circle, to spring
The part fracture protruded in nut bore is enclosed, swaging is upwarped along screw thread swaging, upper end and forms the elastic piece or the elasticity
Piece has been formed before spring coil is placed on the step；
With inclined multistage elastic piece, the elastic piece are formed in the same direction with screw flight on the inside of the installation ring plate of the spring coil
The lock section, when the inner side edge of the elastic piece has lock tooth, the lock tooth spring coil be placed on the step it is preceding
It is formed, after the cell wall and step compress installation ring plate retainer spring circle, to part of the spring coil protrusion in nut bore along screw thread
Swaging, or also completed before spring coil is placed on the step along screw thread swaging.
19. manufacturing method as claimed in claim 18, it is characterised in that: there is notch on the outside of the installation ring plate of the spring coil,
Metal material is being squeezed by punch die, is shifting the metal material of mesa sidewall, when installing formation cell wall on ring plate, is also being made
Metal material at mesa sidewall is transferred into indentation, there and forms circumferential location structure.
20. a kind of locking and unlocking method of fastener, it is characterised in that it uses fastener as claimed in claim 4；
In fastening, lock section can beat because having elasticity in thread-groove bottom gullet surface to be slipped over, and after complete fastening, is utilized
The elasticity of Spring beams and reinforce clamping of the elastic piece to screw rod so that the lock tooth of the elastic piece inner side edge and screw flight slot
Bottom tooth socket tightly engages, while different from the angle of screw flight using the elastic piece tilt angle, so that elastic piece card
Enter the cooperation of spiral cell wall jam-packed, forms locking, can not rotate backward；In unlock, nut is reversely turned, when the bullet of Spring beams
Property power is overcome and when deformation, and the lock tooth skids off tooth socket, is able to unlock and can turn nut.
21. a kind of locking and unlocking method of fastener such as claim 20, which is characterized in that the lock tooth can be inverse
The angular teeth or inverse time orientation angle of Shi Fangxiang straight-tooth angular teeth less than normal, torsion required for rotating backward unlock are greater than just
Required torsion is screwed to fastening.
22. a kind of locking and unlocking method of fastener, it is characterised in that it is described using fastener described in claim 5
Slot on screw rod is the slot that upper end has oral area；
In fastening, lock section can be beated using the elasticity of elastic piece in screw thread flute wall surfaces to be slipped over, after the completion of fastening, lock end
It is caught in the slot on the screw rod eventually fallen into lock section cooperation, while different from the angle of screw thread using the elastic piece, so that bullet
Property piece and screw thread groove groove wall between be caught in jam-packed cooperation, formed locking, can not rotate backward；In unlock, will have can be headed into
Above-mentioned lock end is extruded slot between the nut and screw rod outside by the round tool between on the outside of nut and screw rod, is unlocked
And it can reversed turn nut.
23. a kind of locking and unlocking method of fastener, it is characterised in that it uses fastener as claimed in claim 2, described
Slot on screw rod is the slot that upper end has oral area；
In fastening, lock section can be beated using the elasticity of elastic piece in screw surface to be slipped over, and after the completion of fastening, is inwardly stuck up
Lock end is caught in the slot on the screw rod eventually fallen into lock section cooperation, forms locking, can not rotate backward；In unlock, by tool
It is passed through in slot from the oral area and oppresses the above-mentioned lock end inwardly stuck up, be unlocked and the reversed turn nut of energy.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621052911X | 2016-09-13 | ||
| CN2016108206923 | 2016-09-13 | ||
| CN201621052911 | 2016-09-13 | ||
| CN201610820692 | 2016-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640913A CN106640913A (en) | 2017-05-10 |
| CN106640913B true CN106640913B (en) | 2019-03-08 |
Family
ID=58806673
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202399.2U Withdrawn - After Issue CN206320154U (en) | 2016-09-13 | 2016-11-08 | A kind of fastener |
| CN201610977904.9A Active CN106640913B (en) | 2016-09-13 | 2016-11-08 | A kind of locking and unlocking method of fastener and manufacturing method and fastener |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202399.2U Withdrawn - After Issue CN206320154U (en) | 2016-09-13 | 2016-11-08 | A kind of fastener |
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| Country | Link |
|---|---|
| CN (2) | CN206320154U (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206320154U (en) * | 2016-09-13 | 2017-07-11 | 杭州斯泰新材料技术有限公司 | A kind of fastener |
| CN107476924B (en) * | 2017-10-16 | 2019-08-06 | 哈尔滨电机厂有限责任公司 | Hydropower Unit top cover safety device |
| CN108172954B (en) * | 2018-02-01 | 2020-01-14 | 宁波泰立电子科技有限公司 | Cavity radio frequency module inductive coupling rod subassembly with locking function |
| CN109247852A (en) * | 2018-08-21 | 2019-01-22 | 曾早生 | A kind of children's toothpaste dispenser |
| CN111022477A (en) * | 2019-12-31 | 2020-04-17 | 广西玉柴机器股份有限公司 | Bolt anti-loosening clamp spring and manufacturing method thereof |
| CN114183454A (en) * | 2021-12-17 | 2022-03-15 | 张家陶 | Interlocking type locknut |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2469231Y (en) * | 2001-02-27 | 2002-01-02 | 任力功 | Anti-loosen type screw nut |
| CN2519045Y (en) * | 2002-01-28 | 2002-10-30 | 刘刚 | Chucking anti-theft screw |
| KR20120089036A (en) * | 2011-02-01 | 2012-08-09 | 현대자동차주식회사 | Lock Nut Unit |
| CN105257670B (en) * | 2015-11-19 | 2017-11-14 | 国网黑龙江省电力有限公司检修公司 | Non-dismountable formula antitheft bolt device and theft preventing method |
| CN206320154U (en) * | 2016-09-13 | 2017-07-11 | 杭州斯泰新材料技术有限公司 | A kind of fastener |
-
2016
- 2016-11-08 CN CN201621202399.2U patent/CN206320154U/en not_active Withdrawn - After Issue
- 2016-11-08 CN CN201610977904.9A patent/CN106640913B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640913A (en) | 2017-05-10 |
| CN206320154U (en) | 2017-07-11 |
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