CN207064444U - A kind of positive and negative silk screw of never becoming loose - Google Patents
A kind of positive and negative silk screw of never becoming loose Download PDFInfo
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- CN207064444U CN207064444U CN201720914112.7U CN201720914112U CN207064444U CN 207064444 U CN207064444 U CN 207064444U CN 201720914112 U CN201720914112 U CN 201720914112U CN 207064444 U CN207064444 U CN 207064444U
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Abstract
It the utility model is related to a kind of positive and negative silk screw of never becoming loose, do not loosened for a long time for fastening mechanism and preservation, containing bolt, clamp nut, tight split nut and hex washer, screw thread on the bolt has two kinds, and one section is positive silk, and another section is anti-silk, the diameter of bolt of the inside thread part is bigger than the diameter of bolt of Outboard Sections, one end of the clamp nut is positive silk hex nut, and the serrate cylinder in one end, the hex washer is hexagonal opening pad;Under special environment, under high frequency violent vibration environment, common fastening mechanism screw can loosen, the positive and negative silk screw of the never becoming loose referred to using the utility model, can not be toward the principle of equidirectional rotation when being connected with each other using positive and negative silk nut, active force and reaction force is cancelled out each other and allow screw never becoming loose, the utility model is suitable for use in the place of with the needing never becoming loose fastening mechanism such as high ferro, aviation, bridge, steel construction steel tower.
Description
Technical field
The present invention relates to a kind of screw, the positive and negative silk screw of more particularly to a kind of never becoming loose.
Background technology
For existing fastening mechanism usually using screw, existing normal screws are a bolt, a pad and a nut group
Close, when fastening mechanism is less demanding, common screw can be dealt with, and under special environment, such as fastened the rail part of high ferro, flown
The fields such as parts, bridge, steel construction steel tower on machine, the pressure being subject to by parts and vibrations are bigger than under home, commonly
Screw it is difficult to deal with, in existing technology, there is a double nut screw, long nut screw, such screw in a practical situation,
Fastening decay still occurs.
The content of the invention
Present invention deficiency for more than, proposes the positive and negative silk screw of never becoming loose a kind of, does not occur during for fastening mechanism
Loosen.
A kind of positive and negative silk screw of never becoming loose, for fastening mechanism and parts are made to preserve never becoming loose, containing bolt, fastening
Nut, tight split nut and hex washer；The bolt is provided with the first screw thread and the second screw thread, first screw thread and the second screw thread
Between be provided with smooth section, first screw thread is opposite with the hand of spiral of the second screw thread;The bolt of first threaded portion is straight
Footpath is bigger than the diameter of bolt of second threaded portion；One end of the clamp nut is positive silk hex nut, and the other end is to set
Serrate cylinder；One end of the tight split nut be zigzag, the other end for anti-silk hex nut cylinder, described six
Angle pad is the split ring pad of hexangle type, is placed between clamp nut and tight split nut, the clamp nut and the first spiral shell
Line matches, and the tight split nut matches with the second screw thread, and the clamp nut has sawtooth one end to be provided with the circular convex body of cone, described tight
Split nut, which has, is provided with cone circular groove on the inside of sawtooth one end, the circular convex body of cone with it is described bore circular groove when connecting it is mutual
Mend.
Further, first screw thread is positive silk, and the second screw thread is anti-silk, external diameter of first screw thread than the second screw thread
Greatly, the effect that bolt is arranged to two kinds of screw threads be allow two nuts to screw direction inconsistent.
Further, it is provided with a bit of non-threaded section at the positive and negative silk link of the bolt, or non-threaded section is set and the
The screw rod identical screw thread of two screw threads, the work of the external diameter non-threaded section consistent with the external diameter of the second screw thread of the non-threaded section
With being easy for processing.
Further, one end of the clamp nut is the serrate cylinder of positive silk hex nut and one end；It is described tight
Split nut is that one end is sawtooth, and the other end is the cylinder of anti-silk hex nut, the positive silk hex nut on the clamp nut
External diameter is consistent with the anti-silk hex nut external diameter on tight split nut, the serrated face of the serrated face of the clamp nut and tight split nut
To right, it is to allow sawtooth to coordinate the rotation for making the saw of clamp nut keep a direction with tight split nut with hex washer that it, which is acted on,.
Further, the clamp nut, which sets to be provided with the inside of sawtooth one end, bores circular convex body, and the tight split nut sets sawtooth
One end inner side is provided with cone circular groove, the circular convex body of cone and cone circular groove complementation when connecting, and fits like a glove,
Its effect is to prevent clamp nut and the dislocation of tight split nut to be connected.
Further, described clamp nut one end sets sawtooth, is optimally 3 between its sawtooth quantity is 1-12.Institute
The angle of the vertical section formation of sawtooth side and clamp nut is stated between 90 to 60 degree, the effect of special sawtooth quantity and angle
It is the port for fixing hex washer.
Further, described tight split nut one end sets sawtooth, is optimally 12 between its sawtooth quantity is 6 to 12.Institute
The angle of the vertical section formation of sawtooth side and tight split nut is stated between 90 to 120 degree.
Further, the hex washer is an inner circle, the split ring pad of outer regular hexagon, is placed in tight split nut
Serrated face and clamp nut serrated face between, pad opening portion have two opening ports, correspond to respectively tight split nut with
The angle and shape of sawtooth on clamp nut, and being just bonded with sawtooth, the effect of hex washer are to block tight split nut and tight
Gu nut, two kinds of nuts can only be rotated toward a direction.
Further, because processing reason has a bit of non-threaded section among the bolt, therefore nut of the present invention is processed
When it is more convenient, it is also possible to which non-threaded section is arranged into the same screw thread of the second screw thread, do not influence the work(of overall screw
Energy.
Further, the length of the tight split nut and the diameter of bolt enlarged diameter section form predetermined ratio, and tightly lock spiral shell
For female length as the length of the second screw thread of bolt, it is to avoid tight split nut long and cause to form a certain proportion of effect
Waste of materials.
It is using step specifically：When using positive and negative silk screw proposed by the present invention, first clamp nut is enclosed on
On first screw thread of bolt, the sawtooth of wherein clamp nut faces outwardly, then screws, and then puts a hex washer, then will
Tight split nut is enclosed on the second screw thread of bolt, wherein the serrated face of tight split nut is towards hex washer side, then screws, makes fastening
Nut is brought into close contact with tight split nut tongue and groove.Because the internal diameter of tight split nut is smaller, therefore tight split nut reaches the first of bolt
Untill screw thread one end.
Clamp nut and tight split nut close to when, cone that the circular convex body of cone on clamp nut is just inserted on tight split nut
Circular groove, now, clamp nut will not misplace with tight split nut, and then, one end of the hex washer is stuck in fastening
On a sawtooth on nut, the other end of hex washer is stuck on a sawtooth of tight split nut with spanner, now
The relative position of tight split nut, hex washer and tight split nut fixes.
Because the hand of spiral of the hand of spiral of the first screw thread of bolt and the second screw thread of bolt is on the contrary, fastening spiral shell
It is female with the direction of rotation exited of tight split nut be it is opposite, when side rotates clamp nut outward（During loosening）：1. fasten spiral shell
Female and tight split nut contact surface（Concavo-convex coupling portions）Frictional force is produced, causes tight split nut rotating Vortex, and to inward side
To movement, fixing nut and the active force of tight split nut are cancelled out each other with reaction force, and two nuts can not loosen；2. fasten spiral shell
Female sawtooth withstands one end of hex washer, and active force is delivered to the other end of hex washer, and other the one of hex washer
The sawtooth of tight split nut has been withstood at end, and the active force on hex washer promotes tight split nut in the equidirectional rotation of clamp nut, because
This, tight split nut is cancelled out each other toward medial movement, clamp nut with tight split nut active force under equidirectional rotating condition, therefore logical
Entirety can not be loosened by crossing independent rotational fastener nut, and toward a direction, rotational fastener nut and tight split nut can not also loosen simultaneously
Screw.
The main function of spring hex washer is fixed tight again after clamp nut and tight split nut are all tightened
Split nut, exited so as not to be loosened in the operating condition or outwardly under nature.In use, tight split nut court
The power of outer loosening is very small, and the buckle power of hexagonal spring shim is enough.
When needing actively to pull down screw, when individually rotating tight split nut screw and being moved to the outside, because hex washer leans on
Sawtooth has been withstood in nearly tight this one end of split nut sawtooth, and sawtooth is bonded with hex washer one end（Occlusion）, angle is also suitable（Tight lock spiral shell
Female sawtooth forms the angle of 90-120 degree with its vertical section）, so, that is, the effect of fixed tight split nut is served, and needing
When actively pulling down screw, tight split nut sawtooth and this buckle of hex washer can be loosened by suitably increasing some turn-knob power（Such as：
The tight split nut sawtooth angle with 110 degree of its vertical section formation on one side, such pad block this one end and compared when firmly larger
Skid off serrated slot well）, tight split nut unclamped so as to complete loosening task.
Brief description of the drawings
Fig. 1 is the structural representation of the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 2 is the central cross-section figure of the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 3 is the side view of the clamp nut in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 4 is the structural representation of the clamp nut in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 5 is the structural representation of the hex washer in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 6 is the structural representation of the tight split nut in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 7 is the central cross-section figure of the tight split nut in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Fig. 8 is the structural representation of the bolt in the positive and negative silk screw of the never becoming loose of the embodiment of the present invention.
Essential element symbol description
Bolt 1, clamp nut 2, tight split nut 3, hex washer 4, the positive silk section 11 of bolt, clamp nut hexagonal section 21, circle
Conical socket 31, hex washer port 41, the anti-silk section 12 of bolt, bore circular convex body 23, smooth surface 35, hex washer port 42, spiral shell
Bolt is without silk section 14, clamp nut sawtooth 24, tight split nut hexagonal section 33, tight split nut screw thread 34, bolt head 13, clamp nut spiral shell
Line 25, tight split nut sawtooth 32.
Embodiment
Below with reference to specific embodiments and the drawings, the present invention is described in detail.
Fig. 1, Fig. 2, Fig. 4, Fig. 7 and Fig. 8 are referred to, the positive and negative silk screw 10 of never becoming loose, for fastening mechanism and makes machine
Part preserves never becoming loose, containing bolt 1, clamp nut 2, tight split nut 3 and hex washer 4；Screw thread on the bolt 1 has two
Kind, one section is positive silk, and another section is anti-silk, and screw rod 1 is containing the positive silk section 11 of bolt, the anti-silk section 12 of bolt, bolt without silk section 14 and spiral shell
Bolt cap 13, bolt are arranged between the positive silk section 11 of bolt and the anti-silk section 12 of bolt without silk section 14, the positive silk section 11 of one section of inner side bolt
A diameter of ratio on the outside of one section the anti-diameter of silk section 12 of bolt it is big；One section of 11 spiral shell in crest ratio inner side of one section 12 of outside bolt thread
The tooth bottom of line is small；One end of clamp nut 2 is clamp nut hexagonal section 21 and clamp nut sawtooth 24, clamp nut sawtooth 24
Sawtooth quantity be 3；The angle that the vertical section of the side of clamp nut sawtooth 24 and clamp nut 2 is formed is 90---60 degree, tightly
Split nut 23 is that one end is sawtooth, and the other end is the cylinder of anti-silk hex nut, and tight split nut hexagonal section 33 is hex nut,
Clamp nut 2 is in outside in inner side, tight split nut 3 at screw implementation process in screw implementation process, and hex washer 4 is
The split ring pad of hexangle type, it is placed on the small column between clamp nut 2 and tight split nut 3, clamp nut 2 and inner side spiral shell
The positive silk section 11 of bolt matches, and tight split nut 3 matches with the anti-silk section 12 of outside bolt, the inner side of clamp nut sawtooth 24 of clamp nut 2
Provided with circular convex body 23 is bored, tight split nut 3, which is set, is provided with cone circular groove 31 on the inside of sawtooth one end, it is circular with cone to bore circular convex body 23
Groove 31 is complementary when connecting.
Further, bolt 1 has two external diameters, small one and large one, the external diameter of the positive silk section 11 of inner side bolt is big, and outside bolt is anti-
The silk external diameter of section 12 is small, and the positive hand of spiral of silk section 11 of bolt and the anti-hand of spiral of silk section 12 of bolt are on the contrary, the setting one of the centre of bolt 1 is small
For section bolt without silk section 14, external diameter of the bolt without silk section 14 is consistent with the external diameter of the small outer-diameter threads part in outside.
One end of clamp nut 2 is that clamp nut hexagonal section 21 and one end have clamp nut sawtooth 24；Tight split nut 3 is one
Hold as tight split nut sawtooth 32, the other end is the cylinder of tight split nut hexagonal section 33, the clamp nut on the clamp nut 2
The external diameter of hexagonal section 21 is consistent with 33 external diameters of tight split nut hexagonal section on tight split nut 3, the side of clamp nut sawtooth 24 and tight lock
The tight side of split nut sawtooth 32 of nut 3 is to right.
Further, clamp nut 2, which sets to be provided with the inside of sawtooth one end, bores circular convex body 23, and tight split nut is set in sawtooth one end
Side is provided with cone circular groove 31, bores circular convex body 23 and cone circular groove 31 complementation when connecting, and fit like a glove.
Further, the one end of clamp nut 2 sets clamp nut sawtooth 24, its sawtooth quantity be 1-12 between, optimally for
3, the sawtooth quantity of embodiment is 3, each side of clamp nut sawtooth 24 and the angle of the vertical section formation of clamp nut 2
For 90 to 60 degree.
Further, tight one end of split nut 3 sets tight split nut sawtooth, is optimally 12 between its sawtooth quantity is 6 to 12
It is individual.The angle that the vertical section of each tight side of split nut sawtooth 32 and tight split nut is formed is 90 to 120 degree.
Further, hex washer 4 is an inner circle, the split ring pad of outer regular hexagon, is placed in tight split nut 3
On a trifle cylinder between the serrated face of serrated face and clamp nut 2, there are two opening ports pad opening portion, is six
Angle pad port 41 and hex washer port 42, the angle and shape of sawtooth on clamp nut 2 and tight split nut 3 are corresponded to respectively,
And just it is bonded with sawtooth.
Embodiment is, when using positive and negative silk screw 10 of never becoming loose proposed by the present invention, first by tightly
Gu nut 2 is enclosed on to reinforce in the positive silk section 11 of bolt of bolt 1 and screwed, the sawtooth of wherein clamp nut 2 faces outwardly, and determines hexagonal pad
Behind piece port, hex washer 4 is put, reinforces and screws in the anti-silk section 12 of the bolt that tight split nut 3 then is enclosed on into bolt, wherein tightly
The serrated face of split nut 3 is towards the side of hex washer 4, because the internal diameter of tight split nut 3 is smaller, therefore one end internal diameter of tight split nut 3
Smooth surface（That is non-threaded disc）Untill the positive one end of silk section 11 of bolt for fully entering bolt 1.
After being screwed clamp nut 2 with instrument and screwed tight split nut 3, the cone circle convex body 23 on clamp nut 2 is just inserted
Enter in the cone circular groove 31 on tight split nut 3.Then, then instrument is used（It is not shown）Hex washer is blocked to turn clockwise, will
The Single port 41 of the hex washer 4 is stuck on a sawtooth of clamp nut sawtooth 24, and other the one of one end of hex washer 4
End 42 is stuck on a sawtooth of tight split nut 3, and now the relative position of tight split nut 3, hex washer 4 and tight split nut 2 is consolidated
Set.
Because the positive hand of spiral of silk section 11 of big external diameter bolt of bolt 1 and the spiral shell of the anti-silk section 12 of small external diameter bolt of bolt 1
Line is in opposite direction, so the direction of rotation of exiting of clamp nut 2 and tight split nut 3 is opposite, when the sidespin outward of clamp nut 2
When turning to exit：
（1）Clamp nut 2 and the tight contact surface of split nut 3（Concavo-convex coupling portions）Frictional force is produced, causes tight split nut 3 same
To rotation, and cancelled out each other to inward side to movement, the active force of clamp nut 2 and tight split nut 3 with reaction force, two
Nut can not loosen；
（2）The sawtooth of clamp nut 2 withstands one end 41 of hex washer 4, and active force is delivered to other the one of hex washer
End 42, and the other end 42 of hex washer 4 has withstood the sawtooth of tight split nut 3, the active force on hex washer 4 promotes tight lock
Nut 3 is in 2 equidirectional rotation of clamp nut, and therefore, tight split nut 3 is toward medial movement, clamp nut 2 under equidirectional rotating condition
Cancelled out each other with the tight active force of split nut 3, therefore entirety can not be loosened by independent rotational fastener nut, toward a direction simultaneously
Rotational fastener nut and tight split nut also can not Unscrewed screws.Under the environment of reality, the positive and negative silk screw 10 of never becoming loose
Nut will be unable to move.
When needing actively to pull down screw, when individually rotating the tight screw of split nut 3 and being moved to the outside, because hex washer 4
Sawtooth is withstood close to tight this one end 42 of the sawtooth of split nut 3, the tight sawtooth of split nut 3 is bonded with the one end 42 of hex washer 4（Occlusion）,
Angle is also suitable（The tight sawtooth of split nut 3 and 10 vertical sections form the angle of 90-120 degree）, so, both serve fixed tight lock
The effect of nut 3, and when needing actively to pull down tight split nut 3, it is necessary to the knob power rotation bigger than normal rotating nuts
Tight split nut 3, the contact at this end 42 of the sawtooth with hex washer 4 of tight split nut 3 separate loosening occurs（Such as：Tight split nut 3
Sawtooth angle and its vertical section form 120 degree of angle, such pad 4 blocks this one end 42 and compared when firmly more larger
Skid off serrated slot well）, so as to complete loosening task.
Fig. 3 is the side view of the clamp nut 2 in the positive and negative silk screw 10 of the never becoming loose of the embodiment of the present invention, apparent
The structure of ground clamp nut 2, the section of hexagonal containing clamp nut 21 of clamp nut 2, the circular convex body 23 of cone and clamp nut sawtooth 24, figure
3 is essentially identical with Fig. 4, and simply angle is different.
Fig. 4 is the structural representation of the clamp nut 2 in the positive and negative silk screw 10 of the never becoming loose of the embodiment of the present invention, from
Another angle describes clamp nut 2, the section of hexagonal containing clamp nut 21, the circular convex body 23 of cone, the and of clamp nut sawtooth 24
Clamp nut screw thread 25, knob is carried out to it using hex tool when the effect of clamp nut hexagonal section 21 is easy for operation, bored
The effect of circular convex body 23 be for being matched with the cone-shaped groove 31 in the tight split nut 3 in Fig. 6, clamp nut screw thread 25
Effect is enclosed on screw rod 1, and the sawtooth of clamp nut sawtooth 24 has 3, and effect is to withstand a port 41 of hex washer 4.
Fig. 5 be the embodiment of the present invention never becoming loose positive and negative silk screw 10 in hex washer 4 structural representation, six
The port containing hex washer of angle pad 4 41 and hex washer port 42, hex washer port 41 keep one with hex washer port 42
Fixed distance, hex washer 4 are mainly reflected on port in the effect of implementation process, and two ports 41,42 are respectively against fastening
Nut sawtooth 24 and tight split nut sawtooth 32.
Fig. 6 is the structural representation of the tight split nut 3 in the positive and negative silk screw 10 of the never becoming loose of the embodiment of the present invention.Tightly
Split nut 3 contains cone-shaped groove 31, tight split nut sawtooth 32, tight split nut hexagonal section 33, tight split nut screw thread 34 and smooth surface 35,
Structure reflects the structure of tight split nut 3 from another angle as Fig. 7.
Fig. 7 is the central cross-section figure of the tight split nut 3 in the positive and negative silk screw 10 of the never becoming loose of the embodiment of the present invention, tightly
Split nut 3 contains cone-shaped groove 31, tight split nut sawtooth 32, tight split nut hexagonal section 33, tight split nut screw thread 34 and smooth surface 35,
The effect of cone-shaped groove 31 is matched with the cone circle convex body 23 in Fig. 4, is bored circular convex body 23 and is inserted into cone-shaped groove
31, the horizontal level of fixed tight split nut 3 and clamp nut 2.In the positive silk section 11 of the bolt 1 of 35 sets of smooth surface in fig. 2, smooth surface 35
Length for the never becoming loose of the present embodiment positive and negative silk screw 10 amplitude of accommodation actual in implementation process.
Fig. 8 be the embodiment of the present invention never becoming loose positive and negative silk screw 10 in bolt 1 structural representation, bolt 1
It is more anti-than bolt without silk section 14, the external diameter of the positive silk section 11 of bolt containing the positive silk section 11 of bolt, the anti-silk section 12 of bolt, bolt head 13 and bolt
The external diameter of silk section 12 is big, and the hand of spiral of two is on the contrary, length of the bolt without silk section 14 is shorter, positioned at the positive He of silk section 11 of bolt
Between the anti-silk section 12 of bolt, this effect set is conveniently to produce and process.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of positive and negative silk screw of never becoming loose, for fastening mechanism and parts are made to preserve never becoming loose, it is characterised in that to contain
Bolt, clamp nut, tight split nut and hex washer；The bolt is provided with the first screw thread and the second screw thread, first screw thread
Smooth section is provided between the second screw thread, first screw thread is opposite with the hand of spiral of the second screw thread;First threaded portion
The diameter of bolt divided is bigger than the diameter of bolt of second threaded portion；One end of the clamp nut is positive silk hex nut,
The other end is to set serrate cylinder；One end of the tight split nut is zigzag, and the other end is the circle of anti-silk hex nut
Cylinder, the hex washer are the split ring pad of hexangle type, are placed between clamp nut and tight split nut, the fastening spiral shell
Mother matches with the first screw thread, and the tight split nut matches with the second screw thread, and it is circular that the clamp nut has sawtooth one end to be provided with cone
Convex body, the tight split nut, which has, is provided with cone circular groove on the inside of sawtooth one end, the circular convex body of cone and the cone circular groove
It is complementary when connecting.
2. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, first screw thread is just
Silk, the second screw thread is anti-silk.
3. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, the positive and negative silk link of bolt
Place is provided with a bit of non-threaded section, or non-threaded section sets the screw rod identical screw thread with the second screw thread, the non-threaded section
External diameter it is consistent with the external diameter of the second screw thread.
4. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, one end of the clamp nut
For the serrate cylinder of positive silk hex nut and one end；The tight split nut is that one end is sawtooth, and the other end is anti-silk hexagonal
The cylinder of nut, the positive silk hex nut external diameter on the clamp nut and the anti-silk hex nut external diameter one on tight split nut
Cause, the serrated face of the clamp nut is relative with the serrated face of tight split nut, the clamp nut and the six of the tight split nut
Angular shape part, hexagonal external diameter is consistent, and shape is consistent, and the thickness of tight split nut thickness ratio clamp nut is thicker, the fastening spiral shell
Female to be arranged on inner side in screw implementation process, the tight split nut is arranged on outside in screw implementation process.
5. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, the clamp nut sets sawtooth
One end is provided with the circular convex body of cone, and cone circular groove is provided with the inside of described tight split nut sawtooth one end, described to bore circular convex body and institute
It is complementary when connecting to state cone circular groove, and fits like a glove.
6. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, described clamp nut one end is set
Sawtooth, it is optimally 3 between its sawtooth quantity is 1-12, the angle of the vertical section formation of the sawtooth side and clamp nut
Spend for 90 to 60 degree.
7. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, described tight split nut one end is set
Sawtooth, it is optimally 12 between its sawtooth quantity is 6 to 12, the sawtooth side and the vertical section formation of tight split nut
Angle is 90 to 120 degree.
8. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, the hex washer is one
The split ring pad of inner circle, outer regular hexagon, is placed between the serrated face of tight split nut and the serrated face of clamp nut, pad
There are two opening ports opening portion, corresponds to the angle and shape of sawtooth on tight split nut and clamp nut respectively, and just with
Sawtooth is bonded.
9. a kind of positive and negative silk screw of never becoming loose according to claim 1, it is characterized in that, in described tight split nut one end
Footpath sets one section of smooth surface, i.e. non-threaded disc, and the smooth surface internal diameter is enclosed on the first screw thread one end movement, the length of the smooth surface
For fastening mechanism when adjustment length.
10. a kind of positive and negative silk screw of never becoming loose according to claim 2, it is characterized in that, the length of the tight split nut
It is short to form predetermined ratio, and the length one of the second screw thread of the length of tight split nut and bolt with the diameter of the first screw thread of bolt
Sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720914112.7U CN207064444U (en) | 2017-07-26 | 2017-07-26 | A kind of positive and negative silk screw of never becoming loose |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720914112.7U CN207064444U (en) | 2017-07-26 | 2017-07-26 | A kind of positive and negative silk screw of never becoming loose |
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| CN207064444U true CN207064444U (en) | 2018-03-02 |
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| CN108468703A (en) * | 2018-06-12 | 2018-08-31 | 黄万强 | The last ten thousand fastening bolt nut |
| CN108533600A (en) * | 2018-06-10 | 2018-09-14 | 汪友根 | A kind of positive and negative silk tooth nut structure |
| CN108870057A (en) * | 2018-06-05 | 2018-11-23 | 西北工业大学 | Reinforced member and reinforced structure |
| CN109268381A (en) * | 2018-12-04 | 2019-01-25 | 中冶建工集团有限公司 | Double nut fastens subassembly of lock bolt |
| CN109268380A (en) * | 2018-11-23 | 2019-01-25 | 航天精工股份有限公司 | A kind of derotation is to screw-threaded coupling combination nut |
| CN109838445A (en) * | 2019-03-25 | 2019-06-04 | 南京工业大学 | A kind of threaded anti-loosing structure and design method of modular nut locking |
| CN110131285A (en) * | 2019-06-18 | 2019-08-16 | 康平楠 | A kind of subassembly of lock bolt |
| CN110332198A (en) * | 2018-11-29 | 2019-10-15 | 万金根 | A kind of never becoming loose screw with groove |
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| CN108870057A (en) * | 2018-06-05 | 2018-11-23 | 西北工业大学 | Reinforced member and reinforced structure |
| CN108533600A (en) * | 2018-06-10 | 2018-09-14 | 汪友根 | A kind of positive and negative silk tooth nut structure |
| CN108468703A (en) * | 2018-06-12 | 2018-08-31 | 黄万强 | The last ten thousand fastening bolt nut |
| CN109268380A (en) * | 2018-11-23 | 2019-01-25 | 航天精工股份有限公司 | A kind of derotation is to screw-threaded coupling combination nut |
| CN110332198A (en) * | 2018-11-29 | 2019-10-15 | 万金根 | A kind of never becoming loose screw with groove |
| CN109268381A (en) * | 2018-12-04 | 2019-01-25 | 中冶建工集团有限公司 | Double nut fastens subassembly of lock bolt |
| CN109838445A (en) * | 2019-03-25 | 2019-06-04 | 南京工业大学 | A kind of threaded anti-loosing structure and design method of modular nut locking |
| CN110131285A (en) * | 2019-06-18 | 2019-08-16 | 康平楠 | A kind of subassembly of lock bolt |
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