CN207393691U - A kind of derotation self-locking loose-proof thread fastener - Google Patents
A kind of derotation self-locking loose-proof thread fastener Download PDFInfo
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- CN207393691U CN207393691U CN201721392526.4U CN201721392526U CN207393691U CN 207393691 U CN207393691 U CN 207393691U CN 201721392526 U CN201721392526 U CN 201721392526U CN 207393691 U CN207393691 U CN 207393691U
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- derotation
- locking
- screw thread
- threaded fastener
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Abstract
The utility model is related to a kind of derotation self-locking loose-proof thread fasteners, the derotation self-locking screw thread fastening includes threaded fastener body and derotation self-locking ring, it utilizes the opposite screw thread in anti-loose structure both ends direction of rotation, and combine the taper hole fit structure of one end, by increasing locking frictional force, reducing the pressure to basal body structure, reduction anti-loose structure rotary inertia, the locking of threaded fastener is realized.The threaded fastener of the utility model possess can repeated disassembled and assembled, be installed in place after directly use, inelastic component, long storage period the characteristics of, efficiently solve the problems, such as metal and low-density, brittle non-metal countersunk head or immerse oneself in the locking of helicitic texture.
Description
Technical field
The utility model is related to a kind of derotation self-locking loose-proof thread fasteners, belong to threaded fastener field.
Background technology
The limitation of use environment and condition proposes high requirement to the flatness in construction profile face, is using threaded fastener
When, do not allow fastener ailhead projective structure surface, in combination with the requirement of load, operability etc., such as Fig. 1 often occur
Shown type of attachment.For the locking processing of threaded fastener of this kind of form, tradition is generally using spring washer, self-locking spiral shell
Mother, the form of screw thread gluing, MJ self-locking threads carry out locking.Wherein for spring washer when being used alone, anti-loosing effect is poor.Self-locking
Nut there are access times limitation, and influence threaded fastener screw-down torque application.Screw thread gluing inconvenience is applied to
The position dismantled repeatedly, and certain glue arid cycle is needed after gluing, influence product use.MJ self-locking threads necessarily require
With the use of response bolt, and access times receive limitation.And for other locking measures, such as play insurance, screw thread rushes point, only
Washer etc. can not be implemented since ailhead is sunk in basal body structure.
In addition, with a large amount of uses of composite material, due to material, there are the spies such as anisotropy, low-density, brittleness in itself
Different characteristic, the substantial amounts of locking mode of conventional metal frames can not reuse, and especially solve composite material table as shown in Figure 2
During the problems such as face perforate quick blocking, generally it is only capable of relying on gluing progress locking, seriously constrains the working service of structure.
To sum up, existing locking thread mode has some limitations, and is particularly unsuitable for countersunk head or immerses oneself in helicitic texture
It is locking, and easily to whole working service generate harmful effect.
The content of the invention
(1) technical problems to be solved
For above-mentioned deficiency of the prior art, the utility model is related to a kind of derotation self-locking screw thread fastening and its uses
Method using the opposite screw thread in anti-loose structure both ends direction of rotation, and combines the taper hole fit structure of one end, locking by increasing
Frictional force reduces the pressure to basal body structure, reduces anti-loose structure rotary inertia, realizes the locking of threaded fastener.This practicality
New threaded fastener possess can repeated disassembled and assembled, be installed in place rear directly uses, the spy that inelastic component, storage period are grown
Point efficiently solves the problems, such as metal and low-density, brittle non-metal countersunk head or immerses oneself in the locking of helicitic texture.
(2) technical solution
A kind of derotation self-locking loose-proof thread fastener of the utility model, including threaded fastener body and derotation self-locking
Ring, described threaded fastener body one end have body screw thread, the other end have head, the head have screwed convenient for it or
The first integral angle structure unclamped, the head are connected with boss towards the body screw thread one side, and the diameter of the boss is more than
The diameter on the head simultaneously circumferentially has boss screw thread at it；The derotation self-locking ring has from top to bottom in the back taper of back taper
Shape outer wall, the inner ring epimere of the derotation self-locking ring have the second integral angle structure for screwing or unclamping convenient for it, and the derotation is certainly
The inner ring hypomere of lock ring has derotation self-locking ring screw thread；The boss screw thread and the derotation self-locking ring threaded adapter are to form spiral shell
Line connects, and the rotation direction of the body screw thread and the rotation direction of the boss screw thread, the derotation self-locking ring screw thread are contrary；It is described fall
The other surfaces of the conical outer wall threaded fastener have higher surface roughness.
(3) advantageous effect
The advantageous effects of the utility model are：
1st, the utility model is suitable for the countersunk head for having locking demand or immerses oneself in threaded fastener, can be widely applied to table
The threaded fastener at surface evenness requirement position is locking；
2nd, the utility model is suitable for the nonmetal structure with the material properties such as low-density, brittleness, compression strength is low and opens
The express delivery closure in hole and locking thread；
3rd, the utility model will not cause matrix screw thread in disassembly process repeatedly local failure, generate fifth wheel etc. no
Good influence, anti-loosing effect limit from access times；
4th, the utility model possesses ability to dismantle repeatedly, and assembling and dissembling process is simple to operation, possesses fast operating potential quality；
5th, any elastic element is not used in the utility model and denaturation element, storage period are long.
Description of the drawings
Two kinds of types of attachment of Fig. 1 threaded connectors in the prior art.
Fig. 2 composite material surface perforate quick blocking structure diagrams in the prior art.
The stereogram of the derotation self-locking loose-proof thread fastener of Fig. 3 the utility model.
The application method of the derotation self-locking loose-proof thread fastener of Fig. 4 the utility model.
In figure：The first basal body structures of 1-, the second basal body structures of 2-, 3- spring washers, 4- threaded fasteners, 5, composite wood
Material, 6- locking thread gluings position, 7- plugs, 8- threaded fasteners body, 9- derotations self-locking ring, spiral shell in 10- derotation self-locking rings
Line, 11- back tapers outer wall, 12- boss screw thread, 13- bodies screw thread, 14- back tapers counterbore, 15- first through hole, 16- second are logical
Hole.
Specific embodiment
With reference to Fig. 3, a kind of derotation self-locking loose-proof thread fastener of the utility model, including 8 He of threaded fastener body
Derotation self-locking ring 9, described 8 one end of threaded fastener body have body screw thread 13, and the other end has head, and the head has
The first integral angle structure for screwing or unclamping convenient for it, the head is connected with boss towards 13 one side of body screw thread, described
The diameter of boss is more than the diameter on the head and circumferentially has boss screw thread 12 at it；The derotation self-locking ring 9 has from upper
And the lower back taper outer wall 11 in back taper, the inner ring epimere of the derotation self-locking ring 9 have convenient for it is screwed or unclamp the
Two integral angle structures, the inner ring hypomere of the derotation self-locking ring 9 have derotation self-locking ring screw thread 10；The boss screw thread 12 with it is described
Derotation self-locking ring screw thread 10 is adapted to be formed threaded connection, the rotation direction of the body screw thread 13 and the boss screw thread 12, described
The rotation direction of derotation self-locking ring screw thread 10 is contrary；The other surfaces of 11 threaded fastener of back taper outer wall have more
High surface roughness.
With reference to Fig. 4, the application method of the derotation self-locking loose-proof thread fastener of the utility model, including installation steps
And demounting procedure：
The installation steps include：
1st, the installation of threaded fastener body 8.
The processing back taper counterbore 14 in the upper surface of the first basal body structure 1, the 14 lower section processing first of back taper counterbore
Through hole 15, the first through hole 15 are unthreaded hole, the second through hole 16 are processed on the second basal body structure 2, second through hole 16 is
Threaded hole or unthreaded hole add partial screw threads hole, the back taper counterbore 14, the first through hole 15, second through hole 16 on to
Under penetrate through the first basal body structure 1 and the second basal body structure 2 successively and be arranged concentrically；Threaded fastener body 8 is inserted into back taper
Counterbore 14 and 15 and second through hole 16 of precession first through hole is simultaneously successively by it using with the instrument that first integral angle structure is adapted to
It screws, at this point, the first basal body structure 1 and the second basal body structure 2 are realized by threaded fastener body 8 and be threadedly coupled.
Wherein, first basal body structure 1 is composite material, metal, low-density brittle non-metal.
2nd, the installation of derotation self-locking ring 9.
With with the instrument that the first integral angle structure is adapted to by threaded fastener body 8 limitation it is made not rotate, with second in
The instrument of corner structure adaptation reversely screws in derotation self-locking ring 9 in the back taper counterbore 14, makes derotation self-locking ring internal thread 10
It is screwed with boss screw thread 12, removes two instruments, complete the installation of derotation self-locking ring 9.
The demounting procedure and the installation steps operation order contrary.
After being installed in place, derotation self-locking ring 9 realizes itself and the first basal body structure 1 using taper and higher surface roughness
Between keep larger frictional force, simultaneously because its own size is small, light weight, also be difficult in the case where outer ring frictional force is larger
It rotates.Meanwhile 8 upper and lower side of threaded fastener body is threadably mounted at 9 He of derotation self-locking ring by opposite rotation direction respectively
In first basal body structure 1 and the second basal body structure 2, under vibration, no matter it is generated can to the rotation trend of which side
Inhibited be subject to threaded one end, as long as derotation self-locking ring 9 does not loosen, threaded fastener body 8 would not loosen.Simultaneously as
Derotation self-locking ring 9 on the carrying path of threaded fastener body 8, can not be processed using light material.It is in addition, described anti-
Rotation self-locking ring 9 itself is small, and rotary inertia is with regard to small, it is difficult to loosen.It is final to realize the locking of threaded fastener.
Claims (1)
1. a kind of derotation self-locking loose-proof thread fastener, which is characterized in that including threaded fastener body and derotation self-locking ring, institute
Threaded fastener body one end is stated with body screw thread, the other end has head, and the head, which has, to be screwed or unclamp convenient for it
The first integral angle structure, the head is connected with boss towards the body screw thread one side, and the diameter of the boss is more than described
The diameter on head simultaneously circumferentially has boss screw thread at it；It is in outside the back taper of back taper from top to bottom that the derotation self-locking ring, which has,
Wall, the inner ring epimere of the derotation self-locking ring have the second integral angle structure for screwing or unclamping convenient for it, the derotation self-locking ring
Inner ring hypomere have derotation self-locking ring screw thread；The boss screw thread is connected with the derotation self-locking ring threaded adapter with forming screw thread
It connects, the rotation direction of the body screw thread and the rotation direction of the boss screw thread, the derotation self-locking ring screw thread are contrary；The back taper
The other surfaces of the outer wall threaded fastener have higher surface roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392526.4U CN207393691U (en) | 2017-10-25 | 2017-10-25 | A kind of derotation self-locking loose-proof thread fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721392526.4U CN207393691U (en) | 2017-10-25 | 2017-10-25 | A kind of derotation self-locking loose-proof thread fastener |
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| Publication Number | Publication Date |
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| CN207393691U true CN207393691U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721392526.4U Active CN207393691U (en) | 2017-10-25 | 2017-10-25 | A kind of derotation self-locking loose-proof thread fastener |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630907A (en) * | 2017-10-25 | 2018-01-26 | 北京临近空间飞行器系统工程研究所 | A kind of derotation self-locking loose-proof thread fastener and its application method |
| CN109162997A (en) * | 2018-09-21 | 2019-01-08 | 宁夏共享精密加工有限公司 | A kind of cylinder body processing conjunction cylinder assembly |
| CN109973490A (en) * | 2019-04-01 | 2019-07-05 | 上海鹄鸫重工机械有限公司 | A kind of integrated self threading pin of self-locking band peg set |
-
2017
- 2017-10-25 CN CN201721392526.4U patent/CN207393691U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630907A (en) * | 2017-10-25 | 2018-01-26 | 北京临近空间飞行器系统工程研究所 | A kind of derotation self-locking loose-proof thread fastener and its application method |
| CN109162997A (en) * | 2018-09-21 | 2019-01-08 | 宁夏共享精密加工有限公司 | A kind of cylinder body processing conjunction cylinder assembly |
| CN109973490A (en) * | 2019-04-01 | 2019-07-05 | 上海鹄鸫重工机械有限公司 | A kind of integrated self threading pin of self-locking band peg set |
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