CN206468668U - A kind of lasting stop nut structure - Google Patents

A kind of lasting stop nut structure Download PDF

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Publication number
CN206468668U
CN206468668U CN201720036640.7U CN201720036640U CN206468668U CN 206468668 U CN206468668 U CN 206468668U CN 201720036640 U CN201720036640 U CN 201720036640U CN 206468668 U CN206468668 U CN 206468668U
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China
Prior art keywords
dna
nut
releaxed circular
diameter
circular dna
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CN201720036640.7U
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董志刚
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SHENZHEN YIJINGGONG HARDWARE SPRING CO Ltd
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SHENZHEN YIJINGGONG HARDWARE SPRING CO Ltd
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Abstract

The utility model discloses a kind of lasting stop nut structure, including nut and anti-DNA releaxed circular DNA, the nut inner wall is provided with female thread portion, nut inner wall is additionally provided with one section and does not have threaded empty avoiding bit position, supporting with anti-DNA releaxed circular DNA in the clearance position, clearance position is T-shaped structure, and nut outer wall is provided with one without thread circle hole, tail structure for fixing anti-DNA releaxed circular DNA, the safety vent of regulation turnover dynamics balance when another threaded circular hole is dismounting.The stop nut is when bolt is screwed in, a stop nut inwall part is engaged by internal thread with bolt external screw thread, another part is engaged by the way that anti-DNA releaxed circular DNA and bolt external screw thread are even closer, it is thus possible to by elastic package power avoid bolt because external force act on and occur release phenomenon.The structure that this stop nut coordinates with bolt solves the drawbacks of conventional nut is easily released with bolt, and production technology is relatively easy, supports that dismounting is repeated several times, fully realizes more preferable secure persistent anti-loosing effect.

Description

A kind of lasting stop nut structure
Technical field
The utility model is related to fastener locking field, locking in particular to a kind of lasting, safety elastic, supports The nut of dismounting is repeated several times.
Background technology
The combination of bolts and nuts is one of the most widely used connection in modern each mechanical technology field and fastening accessory.Tradition Bolts and nuts realize general locking functions using mechanical friction, but are acted on by external force factor, such as vibration, impact When, the connection of bolts and nuts easily loosens, or even comes off.The loosening of nut will cause connection or fastening strength to subtract Small or even forfeiture, so as to influence the quality of connection of bolts and nuts, causes connecting components prematurely to damage, even results in equipment Failure and personal safety accident.Use at present or the invention of published stop nut, the locking security reliability having less are managed Think, the complicated manufacture having is cumbersome, some operation inconvenience.
Patent CN2694028 discloses a kind of backstop lock nut, and in specifically disclosing and being pressed with the head of nut 1 The card 2 of round belt tooth 3, when using on the nut 1 of the reamer bolt of card 2, reaches the locking purpose of retaining.However, in the patent Card is simple ellipse, and it easily slides out nut when in use, causes the shortcoming of tightness difference.
Patent CN204591941 discloses one kind and unloads power bar flush type stop nut structure, is specially:In nut body upper end Counterbore in place a bushing and steel-wire screw-socket, steel-wire screw-socket includes anchoring ring and building ring, and the end of anchoring ring is provided with one Individual crotch, to hook nut body.However, the swivel nut circle of this hook type is exposed, operating personnel easily touch very much, easily The accidental injury of operation is caused, and produces security incident.
Patent CN106050881A discloses a kind of practical stop nut structure, is specially:In being added on nut Spring lasso is put, and sets spring to stretch out opening, spring permanent opening and provided with centre bore, effectively prevents from causing nut to come loose, Rotation kit is added on stop nut simultaneously.But this patent, this is complicated, possible in theory, but uses Without actual reliable high vibrations anti-loosing effect on the locomotive and big row plant equipment of high-speed cruising.
The content of the invention
The utility model is based on above mentioned problem, it is proposed that one kind connection is more firm, and performance is more stable, safer and just Prompt lasting elastic stop nut structure.To achieve the above object, the utility model embodiment provides a kind of persistently locking spiral shell Parent structure, it is characterised in that including nut and anti-DNA releaxed circular DNA, the nut inner wall is provided with female thread portion, and being additionally provided with one section does not have Can be supporting with anti-DNA releaxed circular DNA in the empty avoiding bit position of internal thread, the clearance position, clearance position is T-shaped structure, and the nut outer wall is It is integrally formed, it is characterised in that:Anti- DNA releaxed circular DNA is set to head external part, coil and tail straight segment;The circle of the clearance position of nut Week, one circular hole was used for the tail straight segment for fixing anti-DNA releaxed circular DNA, while head external part, tail straight segment provided with two circular holes Do not expose nut outer wall, positioning and locking ring, safe hole position when another circular hole is dismounting, the screw of trough of belt position is screwed into threaded Circular hole, is easy to the separation of bolts and nuts.
Also, the anti-DNA releaxed circular DNA is set to the spring structure of adjustable package power, and specifically, the anti-DNA releaxed circular DNA is set to There is the heterotypic spring structure of inflatable elastomeric, it is circular for the form concentric spirals of increasing diameter, during free state, the number of coils, freedom And reduction length, coil inner and outer diameter, line footpath and coil-span can be automatically according to required anti-DNA releaxed circular DNA package power degree sizes To adjust, the head of anti-DNA releaxed circular DNA is set to the head external part moved towards along its coil, the afterbody of anti-DNA releaxed circular DNA is to be relatively large in diameter end Diameter small end, is set perpendicularly to the tail straight segment of coil same plane trend.So set and be more convenient for adjusting anti-DNA releaxed circular DNA Spring dynamics, it is possible to provide the ascending package power of transiens.
In addition, the anti-DNA releaxed circular DNA is provided with the heterotypic spring structure of inflatable elastomeric, it is that diameter identical rule is concentric Spiral is circular, during free state, and the number of coils, freedom and reduction length, coil inner and outer diameter, line footpath and coil-span can be certainly Dynamic to be adjusted according to required anti-DNA releaxed circular DNA package power degree size, the head of anti-DNA releaxed circular DNA is set to stretch along the head that its coil is moved towards Go out end, the afterbody of anti-DNA releaxed circular DNA is set perpendicularly to the tail straight segment of coil same plane trend.
According to one embodiment of the present utility model, it is characterised in that two circular holes are respectively one without thread circle hole With a threaded circular hole, the top that the empty avoiding bit position is located at without thread circle hole, the threaded circular hole is located at The bottom of the empty avoiding bit position, two parts position can be exchanged.
According to one embodiment of the present utility model, it is characterised in that two circular holes can all be not threaded circular hole.
According to one embodiment of the present utility model, it is characterised in that a part for the clearance position T-type structure is diameter Small end, another part is is relatively large in diameter end, and two parts position can be exchanged.
According to one embodiment of the present utility model, the heterotypic spring structure of the anti-DNA releaxed circular DNA, its wire rod is metal material, Its shape of cross section is track type, round rectangle, semicircle, isosceles triangle, ellipse, square, rectangle or circle.
According to one embodiment of the present utility model, the clearance position can be arranged on the optional position of nut inner wall, keep away The diameter in room is more than other end internal thread diameter, and size and the quantity of clearance position can be according to required anti-DNA releaxed circular DNA package power degree Size is set.
According to one embodiment of the present utility model, the internal diameter of the anti-DNA releaxed circular DNA is less than bolt external screw thread in a free state External diameter, when the anti-DNA releaxed circular DNA is connected with supporting screw rod, anti-DNA releaxed circular DNA has a certain proportion of expansion, and external diameter somewhat becomes big, replaced Tightly engaged for nut inner thread with bolt external screw thread.
According to the lasting stop nut structure of the utility model embodiment, when the anti-DNA releaxed circular DNA and bolt of stop nut structure When external screw thread coordinates, elastic persistently anti-loosing effect, the spring of anti-DNA releaxed circular DNA are realized to the elastic package power of bolt using anti-DNA releaxed circular DNA The internal thread that spiral coil substitutes nut to be fitted close with the external screw thread of bolt, this considerably increases the contact area between screw thread, Frictional force thus is increased, safer lasting locking fastening structure is realized.This structure can reach traditional anti-loose structure The lasting anti-loosing effect not reached, and allow to support that dismounting is repeated several times, it is because anti-DNA releaxed circular DNA is slight expansion, i.e., real Higher frictional force is showed, also ensure that endurance life is high, long lifespan carries out more stable fixation in the junction of part Connection, this structure is more suitable for being applied to such as high ferro, motor-car, Aero-Space, automobile, medicine equipment, instrument, large scale computer Many security performances such as tool arm require high field.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for lasting stop nut structure that the utility model embodiment is provided;
Fig. 2 is the diagrammatic cross-section for the stop nut structure that the utility model embodiment is provided;
Fig. 3 be the utility model embodiment provide stop nut structure anti-DNA releaxed circular DNA free state when structural representation it One;
Fig. 4 be the utility model embodiment provide stop nut structure anti-DNA releaxed circular DNA free state when structural representation it Two;
Fig. 5 be the utility model embodiment provide stop nut structure anti-DNA releaxed circular DNA free state when structural representation it Three;
Fig. 6 is the nut diagrammatic cross-section for the stop nut structure that the utility model embodiment is provided;
Fig. 7 is the stop nut structure schematic top plan view that the utility model embodiment is provided;
Fig. 8 is anti-DNA releaxed circular DNA friction schematic diagram when the nut that the utility model embodiment is provided is tightened;
Fig. 9 is anti-DNA releaxed circular DNA friction schematic diagram when the nut that the utility model embodiment is provided is exited.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool Body embodiment, the utility model is further described in detail, it is necessary to which explanation is, in the case where not conflicting, originally Feature in the embodiment and embodiment of utility model can be mutually combined.
Many details are elaborated in the following description to fully understand the utility model, still, this practicality It is new to be different from mode described here to implement using other, based on the embodiment in the utility model, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model The scope of protection.Therefore, protection domain of the present utility model is not limited by following public specific embodiment.
The lasting stop nut structure for describing to provide in embodiment of the present utility model referring to Fig. 1 to Fig. 9.
Fig. 1-3 are refer to, a kind of lasting stop nut structure provided for the utility model embodiment, wherein, it is described anti- Loose nut structure 100 includes:One nut 110 and an anti-DNA releaxed circular DNA 120, the inwall of nut 110 are provided with the part of internal thread 111, also Can be supporting with pre-buried anti-DNA releaxed circular DNA 120 in the part of clearance position 112 without internal thread 111, the clearance position provided with one section, clearance position 112 be T-shaped structure, and a part is diameter small end, and another part is is relatively large in diameter end, and two parts position can be exchanged, nut The corresponding outer wall of clearance position 112 of 110 inwalls has two circular holes, i.e.,:Without thread circle hole 113 and threaded circular hole 114, two Circular hole position can be exchanged, and the nut outer wall is formed in one, anti-DNA releaxed circular DNA 120 be set to head external part 121, coil 122, Tail straight segment 123.
In the present embodiment, the anti-DNA releaxed circular DNA 120 is the heterotypic spring structure for having inflatable elastomeric, namely it is diameter identical Regular form concentric spirals are circular, or the form concentric spirals of increasing diameter are circular, and head is the head external part moved towards along its coil 121, afterbody is the tail straight segment 123 that vertical coil same plane is moved towards.In the present embodiment, during free state, anti-DNA releaxed circular DNA 120 The number of coils, freedom and reduction length, coil internal-and external diameter, line footpath and coil-span dynamics can be packed tightly according to required Size is adjusted, adjusted according to the space size in clearance position 112 the corresponding number of turns, spring line footpath, coil inner and outer diameter with And coil-span, required with the dynamics that packs tightly for realizing different, so as to realize different anti-loosing effects.The internal diameter of anti-DNA releaxed circular DNA 120 exists It is less than the external diameter of bolt external screw thread 130 under free state, when bolt is tightened in assembling, anti-DNA releaxed circular DNA 120 has a certain proportion of Expansion, external diameter somewhat becomes big, substitutes nut inner thread 111 and is tightly engaged with bolt external screw thread 130, now anti-DNA releaxed circular DNA 120 is Slight expansion, thus spring antidamping is very capable, the life-span is also very high, is not in that after dismounting several times, spring will be reported It is useless, so entirely fastener is scrapped.
Fig. 4-5 are refer to, are the structural representation of another anti-DNA releaxed circular DNA in the present embodiment, as shown in figure 4, identical for diameter The circular heterotypic spring structure of regular form concentric spirals, it is straight that anti-DNA releaxed circular DNA 120 is set to head external part 121, coil 122, afterbody Line segment 123, now the corresponding outer wall of clearance position 112 of the inwall of nut 110 there are two circular holes to be all not threaded circular hole. During free state, the number of coils, freedom and the reduction length of anti-DNA releaxed circular DNA 120, coil internal-and external diameter, line footpath and coil-span can be with Adjusted according to the required dynamics size that packs tightly, the corresponding number of turns, spring are adjusted according to the space size in clearance position 112 Line footpath, coil inner and outer diameter and coil-span, are required with the dynamics that packs tightly for realizing different, so as to realize different locking effects Really;As shown in figure 5, for the circular heterotypic spring structure of the regular form concentric spirals of increasing diameter, anti-DNA releaxed circular DNA 120 is set to head and stretched Go out end 121, coil 122, tail straight segment 123, now the corresponding outer wall of clearance position 112 of the inwall of nut 110 there are two circular holes Can all be not threaded circular hole.During free state, inside and outside the number of coils, freedom and the reduction length of anti-DNA releaxed circular DNA 120, coil Footpath, line footpath and coil-span can be adjusted according to the required dynamics size that packs tightly, big according to the space in clearance position 112 It is small to adjust the corresponding number of turns, spring line footpath, coil inner and outer diameter and coil-span, will with the dynamics that packs tightly for realizing different Ask, so as to realize different anti-loosing effects.
In the present embodiment, there is a head external part 121 on the anti-head of DNA releaxed circular DNA 120, and head external part 121 facilitates anti-DNA releaxed circular DNA 120 spring coils start being connected for position with external thread of screw 130, while can coordinate the whole anti-package power of DNA releaxed circular DNA 120 of adjustment Size, head is that the corresponding nut outer wall position of head external part 121 for being relatively large in diameter end has a threaded circular hole 114, For in particular cases(Such as:Dismounting dynamics it is larger or for a long time do not dismantle and cause aging, get rusty)The regulation enabled The safe hole position of turnover dynamics balance, can be screwed into threaded circular hole 114 to bottom by the screw 115 of head trough of belt position and contact The head external part 121 of the anti-turn of DNA releaxed circular DNA 120, firmly twists withdrawing nut 110, now head external part 121 is by the bottom of screw 115 Block, bolt external screw thread 130 departs from packing tightly for the anti-turn of DNA releaxed circular DNA 120, reduce package power, so as to facilitate point of bolts and nuts From safe hole position only comes into operation when nut is dismantled, and the screw 115 of head trough of belt position is screwed into threaded circular hole 114, can To adjust dynamics when exiting nut, the dynamics phase tightened with exiting nut can also be realized while nut anti-looseness is ensured Together, facilitate the repetition of nut to dismount, different dismounting dynamics are realized under different operating environments, this has very big practicality Property.Afterbody is supporting without thread circle hole 113 for the tail straight segment 123 and nut outer wall of diameter small end, locking for fixing Ring 120, prevents anti-DNA releaxed circular DNA 120 from not revealing in any rotation in the inside of clearance position 112, and head external part 121, tail straight segment 123 Go out nut outer wall, it is to avoid scratch skin, coordinate the size of the whole anti-package power of DNA releaxed circular DNA 120 of adjustment.For fixing the anti-tail of DNA releaxed circular DNA 120 The top for being located at the empty avoiding bit position without thread circle hole 113 of portion's straightway 123, the corresponding band spiral shell of head external part 121 Line circular hole 114 is located at the bottom of the empty avoiding bit position, and threaded circular hole 114 can be mutual with the position without thread circle hole 113 Change.
In the present embodiment, the anti-DNA releaxed circular DNA 120, its wire cross-section is shaped as track type, and the purpose so designed is Clearance position 112 to the thickness of nut outer wall can be thick, saves space, nut is safer, and the life-span is higher, and anti-loosing effect is more pacified Entirely.
In a further embodiment, the spring structure of anti-DNA releaxed circular DNA 120, its wire cross-section shape can also be fillet square The shapes such as shape, semicircle, isosceles triangle, ellipse, square, rectangle or circle.
In the present embodiment, when the stop nut structure 100 and when bolt connection, the external screw thread 130 of bolt first with The internal thread 111 of nut is engaged, and is then connected again with anti-DNA releaxed circular DNA 120 pre-buried in clearance position 112, and anti-DNA releaxed circular DNA 120 substitutes nut The external screw thread 130 of internal thread 111 and bolt is tightly engaged, and now the turn of anti-DNA releaxed circular DNA 120 slightly has expansion, can utilize elasticity The external screw thread 130 of package power and bolt is tightly engaged, effective contact area between what this was greatly increased screw thread, thus is increased Frictional force, realizes safer lasting locking fastening structure.Due to the effect of elastic package power, outside anti-DNA releaxed circular DNA 120 and bolt The frictional force of screw thread 130 will be far longer than the frictional force between traditional bolts and nuts, it is necessary to overcome bigger frictional force ability Nut is separated with screw rod, so the lasting anti-loosing effect of this lasting stop nut is more preferable.
Fig. 6 to Fig. 9 is refer to, in the present embodiment, nut outer wall is used to fix anti-DNA releaxed circular DNA 120 without thread circle hole 113 The structure of spring tail straight segment 123, when tightening and exit bolt, fixes the anti-tail straight segment 123 of DNA releaxed circular DNA 120, it is to avoid Anti- DNA releaxed circular DNA 120 is rocked in clearance position 112, and tail straight segment 123 does not expose nut outer wall, it is to avoid scratch skin.When locking When ring 120 is that the regular form concentric spirals of diameter identical are circular:When tightening nut 110, frictional force is with tightening what is rotated during nut Direction is different, and now frictional force promotes the anti-coil diameter of DNA releaxed circular DNA 120 to become big, it is assumed that be firmly F1 when tightening nut;When When exiting nut 110, it is not necessary to tighten the screw 115 of head trough of belt position, the direction that frictional force rotates from tightening during nut is different, Now frictional force is small, promotes the anti-coil diameter of DNA releaxed circular DNA 120 to diminish, the power that exit needs when nut, which is greater than, tightens nut When required power, it is assumed that be firmly F2 when tightening bolt and nut, analysis can be obtained, F1<F2, thus tighten nut when Time allows effect to make fastener safer, is more avoided that the appearance of loosened fastener phenomenon in the presence of external force.When anti-DNA releaxed circular DNA 120 it is circular for the form concentric spirals of increasing diameter when:At this time by adjusting the coil diameter size of anti-DNA releaxed circular DNA 120, that is, bullet Spring great circle and ringlet are worked in coordination, and on the inwall on great circle top to clearance position 112, ringlet packs tightly external screw thread 130, when tightening nut When 110, the direction that frictional force rotates from tightening during nut is different, and now frictional force promotes the anti-coil diameter of DNA releaxed circular DNA 120 Become big, nut can be tightened easily;When exiting nut 110, the screw 115 of head trough of belt position is tightened, frictional force is with tightening spiral shell The direction rotated when female is different, although now frictional force promotes the anti-coil diameter of DNA releaxed circular DNA 120 to diminish, and now head trough of belt position The bottom of screw 115 hold out against head external part 121, the direction of its active force promotes the diameter of turn to become big, and the power held out against is complete The size of frictional force can be more than entirely, thus while anti-loosing effect is kept, it is possible to achieve when tightening and exit nut Required dynamics is identical, and different dynamics claimed ranges are realized according to different assembly environments.
In a further embodiment, clearance position 112 is not limited in the position of nut inner wall, can be in any position of nut Put, the diameter of clearance position 112 is more than the diameter of internal thread 111, facilitates anti-DNA releaxed circular DNA 120 to be fixed on inside clearance position 112, clearance position 112 corresponding nut outer walls have a tail straight segment 123 for being used to fix anti-DNA releaxed circular DNA 120 without thread circle hole 113, another Threaded circular hole 114 is the safe hole position that in particular cases enables, namely clearance position 112 can nut top half, or Person center section, can also first contact the interior spiral shell of nut in the latter half when nut is connected with bolt external screw thread 130 Pre-buried anti-DNA releaxed circular DNA 120, can also first contact anti-DNA releaxed circular DNA pre-buried in clearance position 112 in line 111, rear contact clearance position 112 120, both the internal thread 111 of rear contact nut can reach identical effect.
In a further embodiment, clearance position 112 is not limited in the size of nut inner wall, can be arbitrary size, can To be account for whole nut inner wall 1/2,1/3,1/4,1/5,1/6 etc., the size of clearance position 112 is according to anti-DNA releaxed circular DNA 120 here Spring coil the number of turns and external diameter adjust accordingly, to realize different locking dynamics requirement and effect.
In a further embodiment, as long as space allows, the quantity of clearance position 112 is also unrestricted, can for 1,2 It is individual, 3 etc..
According to a kind of lasting stop nut structure of the utility model embodiment, described one nut of stop nut structure 110 and an anti-DNA releaxed circular DNA 120, the inwall of nut 110 is provided with the part of internal thread 111, is additionally provided with one section without internal thread 111 The part of clearance position 112, the clearance position 112 and pre-buried anti-DNA releaxed circular DNA 120 are supporting, and clearance position 112 is T-shaped structure, and a part is Diameter small end, another part is is relatively large in diameter end, and two parts position can be exchanged, the correspondence of clearance position 112 of the inwall of nut 110 Outer wall have two circular holes 113,114, the nut outer wall is formed in one, and 120 points of anti-DNA releaxed circular DNA is head external part 121, line Circle 122, tail straight segment 123, the anti-DNA releaxed circular DNA 120 are the heterotypic spring structure for having inflatable elastomeric.When specific assembling, spiral shell The external screw thread 130 of bolt is first contacted with the part of internal thread 111 of nut inner wall, then again with anti-DNA releaxed circular DNA pre-buried in clearance position 112 The external screw thread 130 of turn the replacement nut inner thread 111 and bolt of anti-DNA releaxed circular DNA 120 is closely nibbled in 120 contacts, clearance position 112 Close, now the anti-slight expansion of DNA releaxed circular DNA 120, frictional force bigger when tightening and exit bolt is realized using elastic package power, from And realize the preferably lasting anti-loosing effect of elasticity.Because anti-DNA releaxed circular DNA 120 is slight expansion, higher friction had both been realized Power, also ensure that endurance life is high, long lifespan, in being fixedly connected that the junction progress of part is more stablized, this structure It is more suitable for being applied to many necks such as high ferro, motor-car, Aero-Space, automobile, medicine equipment, instrument, big machinery arm Domain.
By the technical scheme for implementing the present embodiment, it is possible to use the heterotypic spring permanent expansion contractility of anti-DNA releaxed circular DNA enters Row part it is locking, solve conventional nut and bolt easily because the drawbacks of external force effect is released, and production technology is relative Simply, support that dismounting is repeated several times, its lasting anti-loose effect realized is that conventional nut and bolt arrangement are too far behind to catch up.
In other embodiments, lasting stop nut structure of the present utility model is more suitable in large scale equipment instrument zero Part junction it is locking, such as automobile, Aero-Space, high ferro, motor-car, instrument, medicine equipment, big machinery arm are many high It is required that field.
In the utility model embodiment, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used for the mesh of description , and it is not intended that indicating or implying relative importance;Term " setting " etc. all should be interpreted broadly, correspondence art technology For personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.In the utility model, Term " connection " etc. all should be interpreted broadly, for example, it may be indirectly connected to, to the skilled in the art, Ke Yigen Understand concrete meaning of the above-mentioned term in the utility model according to concrete condition.
The description of term " one embodiment " etc. means to combine specific features, structure, material that the embodiment or example are described Material or feature are contained at least one embodiment of the present utility model or example.In this manual, above-mentioned term is shown The statement of meaning property is not necessarily referring to identical embodiment or example.And specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.
Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area Technical staff for, the utility model can have a various modifications and variations, all within spirit of the present utility model and principle, Any modification, equivalent substitution and improvements done etc., should be included within protection domain of the present utility model.

Claims (9)

1. a kind of lasting stop nut structure, including nut and anti-DNA releaxed circular DNA, the nut inner wall are provided with female thread portion, it is additionally provided with One section do not have can be supporting with anti-DNA releaxed circular DNA in female empty avoiding bit position, the clearance position, and clearance position is T-shaped structure, the spiral shell Female outer wall is formed in one, it is characterised in that:Anti- DNA releaxed circular DNA is set to head external part, coil and tail straight segment;Nut is kept away The circumference in room is provided with two circular holes, and a circular hole is used for the tail straight segment for fixing anti-DNA releaxed circular DNA, while head external part, tail Portion's straightway does not expose nut outer wall, and positioning and locking ring, safe hole position when another circular hole is dismounting, the screw of trough of belt position is twisted Enter threaded circular hole, be easy to the separation of bolts and nuts.
2. a kind of lasting stop nut structure according to claim 1, it is characterised in that the anti-DNA releaxed circular DNA is provided with swollen Swollen elastic heterotypic spring structure, it is circular for the form concentric spirals of increasing diameter, during free state, the number of coils, freedom and pressure Contracting length, coil inner and outer diameter, line footpath and coil-span can be adjusted automatically according to required anti-DNA releaxed circular DNA package power degree size Whole, the head of anti-DNA releaxed circular DNA is set to the head external part moved towards along its coil, the afterbody of anti-DNA releaxed circular DNA is diameter to be relatively large in diameter end Small end, is set perpendicularly to the tail straight segment of coil same plane trend.
3. a kind of lasting stop nut structure according to claim 1, it is characterised in that the anti-DNA releaxed circular DNA is provided with swollen Swollen elastic heterotypic spring structure, it is that the regular form concentric spirals of diameter identical are circular, during free state, the number of coils, freedom And reduction length, coil inner and outer diameter, line footpath and coil-span can be automatically according to required anti-DNA releaxed circular DNA package power degree sizes To adjust, the head of anti-DNA releaxed circular DNA is set to the head external part moved towards along its coil, and the afterbody of anti-DNA releaxed circular DNA is set perpendicularly to line Enclose the tail straight segment of same plane trend.
4. a kind of lasting stop nut structure according to claim 1, it is characterised in that two circular holes be respectively one not Threaded circular hole and a threaded circular hole, the top that the empty avoiding bit position is located at without thread circle hole, the band spiral shell Line circular hole is located at the bottom of the empty avoiding bit position, and two parts position can be exchanged.
5. a kind of lasting stop nut structure according to claim 1, it is characterised in that two circular holes can all be without The circular hole of screw thread.
6. a kind of lasting stop nut structure according to claim 1, it is characterised in that the clearance position T-type structure A part is diameter small end, and another part is is relatively large in diameter end, and two parts position can be exchanged.
7. a kind of lasting stop nut structure according to Claims 2 or 3, it is characterised in that the spring of the anti-DNA releaxed circular DNA Structure, its wire rod be metal material, its shape of cross section be track type, round rectangle, semicircle, isosceles triangle, ellipse, Square, rectangle or circle.
8. a kind of lasting stop nut structure according to claim 1, it is characterised in that the clearance position can be arranged on The optional position of nut inner wall, the diameter of clearance position is more than other end internal thread diameter, and size and the quantity of clearance position can bases Required anti-DNA releaxed circular DNA package power degree size is set.
9. a kind of lasting stop nut structure according to claim 2, it is characterised in that the internal diameter of the anti-DNA releaxed circular DNA is certainly It is less than the externally threaded external diameter of bolt under state, when the anti-DNA releaxed circular DNA is connected with supporting screw rod, anti-DNA releaxed circular DNA has certain proportion Expansion, external diameter somewhat becomes big, substitutes nut inner thread and is tightly engaged with bolt external screw thread.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654475A (en) * 2017-10-24 2018-02-02 西藏深元投资有限公司 Stop nut and locking fastening assembly
CN108331827A (en) * 2018-04-09 2018-07-27 四川艾尔诺航空金属器材有限公司 A kind of T-type split ring self-locking nut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107654475A (en) * 2017-10-24 2018-02-02 西藏深元投资有限公司 Stop nut and locking fastening assembly
CN108331827A (en) * 2018-04-09 2018-07-27 四川艾尔诺航空金属器材有限公司 A kind of T-type split ring self-locking nut

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