CN206802053U - A kind of New anti-loose takes off fastener - Google Patents
A kind of New anti-loose takes off fastener Download PDFInfo
- Publication number
- CN206802053U CN206802053U CN201720499957.4U CN201720499957U CN206802053U CN 206802053 U CN206802053 U CN 206802053U CN 201720499957 U CN201720499957 U CN 201720499957U CN 206802053 U CN206802053 U CN 206802053U
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- CN
- China
- Prior art keywords
- self
- axle
- nut
- tightening
- fastener
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Abstract
A kind of New anti-loose of the utility model takes off fastener, include bolt, nut, axle-centre lock, the bolt includes screw rod, it is characterized in, the screw rod tail end and axle-centre lock distal end are provided with plug-in type interlock, the axle-centre lock near-end is provided with nut bindiny mechanism, the axle-centre lock is fixedly connected with the bolt and the nut simultaneously by the interlock and the nut bindiny mechanism, and it is integrally formed, the interlock is the self-tightening slotted eye and the self-tightening limited post of the axle-centre lock distal end inside the screw rod tail end, or self-tightening limited post and the self-tightening slotted eye of the axle-centre lock distal end positioned at the screw rod tail end, the utility model product is with reverse engineer thinking, product structure is reasonable, by increasing a simple components, realize the complete anti-loose effect of nut, with wide market application foreground.
Description
Technical field
The utility model belongs to connection tightening technology field, and in particular to a kind of New anti-loose takes off fastener.
Background technology
Nut is the most frequently used securing member of mechanical field, and the nut typically used is that common standard is tight mostly
Firmware, in the presence of impact, vibrations or heavy load, the frictional force between screw thread pair is gradually reduced or moment disappears
Lose, loosened so as to threaded connection occur, or even fastener comes off, lost, and thus plant equipment can be made to break down.
The locking mode of conventional nut is roughly divided into three kinds, that is, locking, the mechanical locking and riveting that rubs is rushed locking.
The specific nut anti-looseness method that can be seen at present has：1st, add flat shim method, added between nut and connected piece
One plain washer, to increase contact area；2nd, add plain washer and spring shim method, i.e., on the basis of plain washer, then add a bullet
Spring packing ring, plain washer increase contact area, spring pad enclose anti-loose effect；3rd, plus pin fixation, the method are needless to say more；4th, apply
Locking liquid method is smeared, nut anti-looseness liquid is applied into bolt tightens place, then screws on nut, to reach locking effect；5th, self-locking spiral shell
Mother law, self-locking nut are improved on plain nut, and its principle is frictionally self-locking, reach locking, antidetonation purpose；
6th, pairs of anti-loose nut method, make to produce the additonal pressure not changed with external applied load in screw thread pair, in simple terms, utilize rubbing between nut
It is locking to wipe power.Above method 1-4 is original anti-loose method, and wherein method 3 is that irreversible such as nut is welded, and is come to belt removal
Very big inconvenience, original anti-loose method is to required precision is high, the less field of vibrations still uses, but these anti-loose methods
The mankind far can not be met to the manufacturing demand in tip, such as in fields such as rocket, aircraft carrier, high ferro, bridge, rails, to spiral shell
Female requirement is all very high；Method 5-6 is the improvement nut structure on the basis of plain nut, by increasing some parts or changing
Structure changes realize anti-loosing effect.
Application No. CN201020190911.2 patent document discloses a kind of subassembly of lock bolt, including
Bolt and matching washer, continuous locking teeth is provided with the lower surface of bolt head, on the upper surface of packing ring
Also correspond to coincide and be provided with continuous locking teeth, form locking on-slip fit structure, the locking teeth of this check bolt is only tight
Solid lock is next just to work, it is impossible to the impulsive force of high pulling torque is born, therefore application field is limited, and after surface wear is combined
Locking teeth role will big heavy discount；It is locking that application number CN201520622049.0 patent document discloses a kind of interlocking
Nut assembly, has an eccentric nut, and eccentric nut lower end is provided with inferior pyramidal boss, the center of inferior pyramidal boss and eccentric nut
Screw thread is misaligned, and its offset is the fit clearance of eccentric nut and bolt, and eccentric nut bottom is combined with pad, above pad
With the groove with the cooperation of the cone boss of eccentric nut lower end, the center of groove and the center superposition of pad centre bore are this
Anti-loosen screw nut component uses double nuts structure, makes to produce the additonal pressure not changed with external applied load, the outer umbo of indent in screw thread pair
Structure increases the frictional force between nut.
Existing nut anti-looseness method mentality of designing is mainly along frictional force and attachment between increase nut and bolt
The improvement and improvement that the direction of power is carried out.Implementation process is more, and effect is not fully preferable.
Utility model content
In order to solve prior art defect, reduce and make full use of nut and the original traits and feature of bolt, this practicality
It is new to propose a kind of de- fastener of New anti-loose reasonable in design, that anti-loose effect is excellent, application field is wide, particular technique
Scheme is as follows：
A kind of New anti-loose takes off fastener, and comprising bolt, nut, axle-centre lock, the bolt includes screw rod, the screw rod tail
End and axle-centre lock distal end are provided with plug-in type interlock, and the axle-centre lock near-end is provided with nut bindiny mechanism, the axle center
Lock is fixedly connected with the bolt and the nut simultaneously by the interlock and the nut bindiny mechanism, and as one
Body, the nut can prevent that itself is axially moved in the case where the nut bindiny mechanism acts on, under interlock effect
It can prevent from mutually rotating between the bolt.
Further, the interlock is the self-tightening slotted eye inside the screw rod tail end and axle-centre lock distal end
Self-tightening limited post, or self-tightening limited post and the self-tightening slotted eye of the axle-centre lock distal end positioned at the screw rod tail end, it is described from
In tight slotted eye and self-tightening limited post surface is provided with the mechanism to cooperate, can be that cross section is the vertical of polygon in self-tightening slotted eye
It is similar with the longitudinally convex or self-tightening slotted eye of the fit depressions on to groove and self-tightening limited post surface to fold
Jump ring in the screen post and self-tightening limited post surface of umbrella.
Further, the nut bindiny mechanism is located at the neck of the nut side wall and located at the axle-centre lock near-end
And the first jump ring being adapted with the neck.
Preferably, the neck and the first jump ring quantity are equal, and at least 1, according to the shape of the axle-centre lock
When one jump ring quantity is arranged to 2-6, fastener stationarity is preferable.
Further, the nut bindiny mechanism is to be connected located at the snap ring of the axle-centre lock near-end and with the snap ring
Second jump ring.
Preferably, the snap ring includes the first snap ring and the second snap ring, and first snap ring is connected with the axle-centre lock, institute
State the second snap ring to separate with the axle-centre lock, second jump ring is on second snap ring, and the second jump ring quantity is extremely
It it is less one, the nut is limited in after tightening between first snap ring and second snap ring.
Preferably, the self-tightening slotted eye cross section is positive 20 quadrangle, and the self-tightening limited post cross section is positive two
Ten quadrangles or regular hexagon, when the self-tightening limited post cross section is positive 24 side, can compatibility in six spanners；Or institute
It is regular hexagon to state self-tightening slotted eye and the self-tightening limited post cross section.
Further, it is provided with and the spiral shell with the self-tightening limited post or self-tightening slotted eye junction in axle-centre lock distal end
The consistent engagement type ratchet of the unidirectional gear teeth of female tightening direction, in the manually installed axle-centre lock, if self-tightening limited post and from
Tight slotted eye is not aligned with, and self-tightening limited post or self-tightening slotted eye can be rotated manually along nut tightening direction, in the unidirectional gear teeth
Correct position is rotated under engagement type ratchet effect.
Further, the depth of the self-tightening slotted eye and the equal length of self-tightening limited post, and twisted no more than the nut
The length of next screw rod exposed parts, ensure the intensity of fastener with this.
Further, the axle-centre lock generally entity shape for hat or hollow out shape for hat or c-type, can be made not according to application environment
With deformation.
Compared with prior art, the utility model takes off fastener without New anti-loose has advantages below and effect：
1st, the utility model product structure design is reasonable, nut and bolts assemblies, dismounting is realized freely, when being assembled together
Perfect one is formed, each part does not damage mutually after dismounting, may be reused；
2nd, the utility model product structure reduces and takes full advantage of nut and the original traits and feature of bolt, nut exist
Firm performance axially and radially greatly promotes, and no longer worries to draw because of frictional force regression between fastener and connected piece
Rise and release；
3rd, the utility model product has a wide range of application because of its own design feature, in addition to standard machinery equipment, can met
The use demand in the fields such as automobile, rocket, aircraft carrier, high ferro, bridge, rail.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment technical scheme, below by the sign to being previously mentioned in embodiment
Parameter is showed with accompanying drawing, it should be apparent that, drawings discussed below is only some embodiments of the utility model.
Fig. 1 is the utility model product stereochemical structure explosive view；
Fig. 2 is the utility model product mix view；
Fig. 3 is the utility model product half section structure diagram；
Fig. 4 is the utility model product nut, bolt combination structural representation；
Fig. 5 is the axle-centre lock structural representation of the utility model embodiment 1；
Fig. 6 is the product structure schematic diagram of the utility model embodiment 2.
Label declaration：
1- bolts；11- screw rods；2- nuts；3- axle-centre locks；41- self-tightening slotted eyes；42- self-tightening limited posts；51- necks；52-
First jump ring；The snap rings of 611- first；The snap rings of 612- second；The jump rings of 62- second；The engagement type ratchet of the unidirectional gear teeth of 7-.
Embodiment
The utility model is described in further detail with reference to embodiment, following examples are to the utility model
Explanation and the utility model is not limited to following examples.Involved material or equipment such as nothing are especially said in each embodiment
It is bright, it is commercially available conventional material or equipment, involved detection method is then conventional method unless otherwise instructed.
Embodiment 1：As Figure 1-5, a kind of New anti-loose takes off fastener, includes bolt, nut, axle-centre lock, bolt bag
Containing screw rod, axle-centre lock includes distal end interlock and near-end nut bindiny mechanism, and the interlock screw rod tail end opens up
Self-tightening slotted eye and the self-tightening limited post of axle-centre lock distal end, nut bindiny mechanism are located at the neck of nut side wall and located at the axle
The heart locks near-end and the first jump ring for being adapted with the neck, and nut is hex nut, the shape for hat of axle-centre lock generally hollow out, side
Wall is made up of six faces, and when nut is tetragonal nut, the quantity of side wall can also be four faces, and the first jump ring is located at each side
The opening position that wall overlaps after being tightened with nut, wherein self-tightening slotted eye and self-tightening limited post cross section are positive 20 quadrangle（I.e.
12 jiaos, similar 12 jiaos of double offset ring spanner shapes）, see there is 12 longitudinal flutings, self-tightening limited post surface in self-tightening slotted eye on the whole
There are 12 longitudinal boss, longitudinal fluting coordinates with longitudinal boss to be interlocked afterwards in place, and positive 20 quadrangle in self-tightening slotted eye can
With six spanners in compatibility, the depth of self-tightening slotted eye and the equal length of self-tightening limited post, rear screw rod exposed parts are tightened for nut
Length.
Embodiment 2：The present embodiment as different from Example 1, the shape for hat of the axle-centre lock generally entity, as lid one
Sample is buckled on the nut, and whole nut is wrapped, and self-tightening slotted eye cross section and self-tightening limited post cross section are positive six
Side shape.
Embodiment 3：As shown in fig. 6, a kind of New anti-loose takes off fastener, comprising bolt, nut, axle-centre lock, bolt includes
Screw rod, axle-centre lock include distal end interlock and near-end nut bindiny mechanism, interlock be the screw rod tail end open up from
Tight slotted eye and the self-tightening limited post of axle-centre lock distal end, nut bindiny mechanism are to be connected located at the snap ring of axle-centre lock near-end and with snap ring
The second jump ring, the snap ring includes the first snap ring and the second snap ring, and first snap ring is connected with the axle-centre lock, described
Two snap rings separate with the axle-centre lock, and on second snap ring, the nut is limited in second jump ring after tightening
Between first snap ring and second snap ring, the second jump ring quantity is one, can also be increased as needed several
To strengthen stable connection, axle-centre lock generally c-type, wherein self-tightening slotted eye cross section are positive 20 quadrangle, in self-tightening slotted eye
Can compatibility in six spanners, self-tightening limited post cross section is just hexagonal, is seen on the whole, has 12 longitudinal directions recessed in self-tightening slotted eye
There are six longitudinal boss on groove, self-tightening limited post surface, and the depth of self-tightening slotted eye is slightly larger than the length of self-tightening limited post, self-tightening slotted eye
Depth tighten the length of rear screw rod exposed parts for nut, in addition, in order to improve manually installed accuracy and operating efficiency,
The unidirectional gear teeth engagement type ratchet consistent with the nut tightening direction is provided with self-tightening limited post junction in axle-centre lock distal end,
When manually installed, self-tightening limited post can be can be manually rotated and quickly screwed in self-tightening slotted eye, because ratchet is and nut tightening direction
The consistent engagement type ratchet of the unidirectional gear teeth, can prevent self-tightening limited post from turning round, and nut releases.
For the utility model product with thinking is reverse-engineered, product structure is reasonable, by increasing a simple components, realizes
The complete anti-loose effect of nut, there is wide market application foreground.
Furthermore, it is necessary to explanation, the equivalent or simple change that all principles described according to the utility model patent design are done
Change, be included in the protection domain of the utility model patent, the utility model person of ordinary skill in the field can be right
Described specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from this practicality
New structure surmounts scope defined in the claims, all should belong to the scope of protection of the utility model.
Claims (10)
1. a kind of New anti-loose takes off fastener, comprising bolt, nut, axle-centre lock, the bolt includes screw rod, it is characterised in that
The screw rod tail end and axle-centre lock distal end are provided with plug-in type interlock, and the axle-centre lock near-end is provided with nut connection machine
Structure, the axle-centre lock is fixed with the bolt and the nut simultaneously by the interlock and the nut bindiny mechanism to be connected
Connect, and be integrally formed.
2. New anti-loose according to claim 1 takes off fastener, it is characterised in that the interlock is located at the spiral shell
The self-tightening limited post of self-tightening slotted eye and the axle-centre lock distal end inside bar tail end, or it is spacing positioned at the self-tightening of the screw rod tail end
Post and the self-tightening slotted eye of the axle-centre lock distal end.
3. New anti-loose according to claim 1 takes off fastener, it is characterised in that the nut bindiny mechanism is located at institute
State the neck of nut side wall and located at the axle-centre lock near-end and the first jump ring for being adapted with the neck.
4. New anti-loose according to claim 3 takes off fastener, it is characterised in that the neck and the first jump ring quantity phase
Deng, and at least one.
5. New anti-loose according to claim 1 takes off fastener, it is characterised in that the nut bindiny mechanism is located at institute
The second jump ring stated the snap ring of axle-centre lock near-end and be connected with the snap ring.
6. New anti-loose according to claim 5 takes off fastener, it is characterised in that the snap ring includes the first snap ring and the
Two snap rings, first snap ring are connected with the axle-centre lock, and second snap ring separates with the axle-centre lock, second jump ring
On second snap ring, quantity is at least one.
7. New anti-loose according to claim 2 takes off fastener, it is characterised in that the self-tightening slotted eye cross section is positive two
Ten quadrangles, and the self-tightening limited post cross section is positive 20 quadrangle or regular hexagon；Or the self-tightening slotted eye and described
Self-tightening limited post cross section is regular hexagon.
8. the New anti-loose according to claim any one of 2-7 takes off fastener, it is characterised in that in axle-centre lock distal end
The unidirectional gear teeth engagement type spine consistent with the nut tightening direction is provided with the self-tightening limited post or self-tightening slotted eye junction
Wheel.
9. the New anti-loose according to claim any one of 2-7 takes off fastener, it is characterised in that the depth of the self-tightening slotted eye
The equal length of degree and self-tightening limited post, and it is not more than the length that the nut tightens the rear screw rod exposed parts.
10. the New anti-loose according to claim any one of 1-7 takes off fastener, it is characterised in that the axle-centre lock is overall
For entity shape for hat or hollow out shape for hat or c-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499957.4U CN206802053U (en) | 2017-05-08 | 2017-05-08 | A kind of New anti-loose takes off fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499957.4U CN206802053U (en) | 2017-05-08 | 2017-05-08 | A kind of New anti-loose takes off fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802053U true CN206802053U (en) | 2017-12-26 |
Family
ID=60739379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720499957.4U Expired - Fee Related CN206802053U (en) | 2017-05-08 | 2017-05-08 | A kind of New anti-loose takes off fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931024A (en) * | 2017-05-08 | 2017-07-07 | 张亚宁 | New anti-loose takes off fastener |
| WO2021077992A1 (en) * | 2019-10-22 | 2021-04-29 | 张华� | Self-locking bolt mechanism and use method thereof |
-
2017
- 2017-05-08 CN CN201720499957.4U patent/CN206802053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931024A (en) * | 2017-05-08 | 2017-07-07 | 张亚宁 | New anti-loose takes off fastener |
| WO2021077992A1 (en) * | 2019-10-22 | 2021-04-29 | 张华� | Self-locking bolt mechanism and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180508 |