CN102042295A - Nut taper pressing and clasping safe self-locking check bolt - Google Patents
Nut taper pressing and clasping safe self-locking check bolt Download PDFInfo
- Publication number
- CN102042295A CN102042295A CN2010101011522A CN201010101152A CN102042295A CN 102042295 A CN102042295 A CN 102042295A CN 2010101011522 A CN2010101011522 A CN 2010101011522A CN 201010101152 A CN201010101152 A CN 201010101152A CN 102042295 A CN102042295 A CN 102042295A
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- China
- Prior art keywords
- nut
- locking
- loosening
- bolt
- check bolt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a safety self-locking check bolt for clasping a screw by means of stress of a nut taper face, and belongs to the technical field of bolts of fastening members capable of safely preventing loosening and conveniently unlocking. The check bolt consists of a main bolt 1, a main nut 2, a locking nut 3 and a set screw 4. After the 2 is tightened and the 1 works normally, the 3 is arranged and screwed down, the inner taper face of the end part of the 3 presses the outer taper face grooved at the end part of the 2 so that the 2 forms an additional clasping force to the 1 and the purpose of preventing loosening is fulfilled. Moreover, the pitches of the 2 and the 3 are different, so the loosening preventing effect is also greatly enhanced. The 2 can be fastened for preventing loosening or unlocked by screwing down or loosening the 3. The check bolt has novel conception, simple structure and low manufacturing cost, and is convenient to use. The loosening preventing force of the check bolt is several times that of the traditional various loosening preventing devices; and the check bolt can be applied to safe loosening prevention of various bolts in transport vehicles and vibrating environments.
Description
Technical field
The present invention relates to fastener bolt nut interconnection technique, is a kind of chek bolt specifically.
Background technique
The existing centuries history of the invention that the plain bolt nut connects, it is widely used in the All aspects of of human being's production, life.Cause is concerning the security of the lives and property, so bolted loosing Prevention Technology always is the emphasis that people study tackling key problem.Various locking measures are all unsatisfactory, and shortcoming is in various degree all arranged but even to this day.
Summary of the invention
In order to reach better locking purpose, the present invention has designed new structure.Technological scheme is: nut tap is pressed enclasping type safe self-locking chek bolt.Be on former plain bolt, nut connection basis, former nut (claiming mother nut among the present invention) to be increased by one section part that external cone is arranged, internal whorl and active section continuous consistent, uniform three～four grooves of cone (being generally four grooves), the R groove of ring-type is cut by tang portion, flexibly holds tightly to screw rod when being convenient to the cone pressurized.Former bolt (claiming kingbolt among the present invention) go up to increase by one section external diameter less than the mother nut internal diameter, be carved with the screw rod of the special-shaped pitch of closely-pitched, increase the locking nut that matches with screw rod, one end of locking nut is processed into internal cones, its angle just with mother nut on external cone driving fit (the cone angle scope is within 20 °～45 °).For preventing that locking nut from getting loose and stolen, the intermediate portion drilling and tapping of thread section is arranged at locking nut again, treat that mechanism is whole to be screwed into Cock screw at last after fastening.When the locking nut precession, tapering forms the power of holding tightly to screw rod to the radial pressure of mother nut outer cone body in it, and mother nut will become flexible, and except that overcoming work moment, also must overcome this and hold the additional friction moment that power forms whole section screw thread tightly.Cock screw is pricked by its quenched awl tip and is entered in the screw flight gap, makes that locking nut is unlikely to get loose.And the outboard end head of Cock screw is twisted fully and is buried below the six side surfaces of locking nut, and make interior hexagonal, Nei Sijiao, interior triangle, interior quincunx or other figures, join special spanner by our company together with the Cock screw product that dispatches from the factory, to tighten or to unclamp Cock screw, so Cock screw also has simple and easy anti-theft feature concurrently.The invention has the beneficial effects as follows: multiple fastening anti-loose anti-theft.
Description of drawings
Accompanying drawing is a master map of the present invention
1 is kingbolt among the figure, and 2 is mother nut, and 3 is locking nut, and 4 is Cock screw
Embodiment
Kingbolt 1, mother nut 2, locking nut 3 and Cock screw 4 are formed.
Mother nut 2 increases a bit of outer surface and is processed into cone, internal whorl and active section continuous consistent, and uniform four grooves of cone, the R groove has been cut by tang portion, flexibly holds tightly to screw rod when being convenient to the cone pressurized.The pitch of locking nut 3 is closely-pitched (the closely-pitched anti-loosing effect is good), and associated screw rod external diameter is more smaller than mother nut, passes through from the closely-pitched screw rod when being convenient to the mother nut installation.The closely-pitched of nut 3 does not rotate after the two is combined closely simultaneously with different with the coarse thread pitch of mother nut 2.When part 3 is tightened with the male cone (strobilus masculinus) driving fit compacting of the inner conical surface and the part 2 of one end.Cock screw 4 is tightened on the thread section middle part of part 3 at last, its quenched awl tip is pricked and is entered in the screw flight gap, its outboard end head is made interior hexagonal, interior triangle, interior quincunx and other figures, joins special spanner by our company together with product, to have easy anti-theft feature concurrently.
As shown in the figure
After kingbolt 1 pierces into connected piece, tighten mother nut 2 to work moment, screw locking nut 3 then, reach needed locking moment, twist into Cock screw 4 with special special spanner at last, install promptly to accuse and finish.Screw out part 4 with special spanner earlier during release, unlocking element 3 again, last loose part 2.This device can be repeatedly used, and product of the same race can load in mixture arbitrarily after breaking fully, does not influence using effect.
Claims (3)
1. nut tap is pressed enclasping type safe self-locking chek bolt, and is different fully with conventional bolt, it is characterized in that having increased on former nut one section part that is external cone.Internal whorl and active section continuous consistent.Cone evenly distributes and has 3-4 straight trough, and tang portion is provided with ring-type R groove; On former kingbolt, increase by one section external diameter less than the mother nut internal diameter, be carved with the profiled screw of closely-pitched, this screw rod matches with locking nut.One end of locking nut is processed into internal cones, and its tapering is identical with external cone tapering on the mother nut; There is the intermediate section of helical thread portion to be provided with a hole at locking nut, and has Cock screw to fix.
2. nut tap according to claim 1 is pressed enclasping type safe self-locking bolt, it is characterized in that described mother nut cone taper and locking nut internal cones tapering are the 20-45 degree
3. nut tap pressure type safe self-locking chek bolt according to claim 1 is characterized in that the termination, the outside of described Cock screw is lower than the six sides surface of locking nut.And hexagonal, interior triangle, outer triangle, interior plum blossom form in forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101011522A CN102042295A (en) | 2010-01-27 | 2010-01-27 | Nut taper pressing and clasping safe self-locking check bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101011522A CN102042295A (en) | 2010-01-27 | 2010-01-27 | Nut taper pressing and clasping safe self-locking check bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102042295A true CN102042295A (en) | 2011-05-04 |
Family
ID=43908725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101011522A Pending CN102042295A (en) | 2010-01-27 | 2010-01-27 | Nut taper pressing and clasping safe self-locking check bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042295A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705342A (en) * | 2012-05-31 | 2012-10-03 | 贵州精立航太科技有限公司 | Nut locking device |
| CN102829062A (en) * | 2012-09-07 | 2012-12-19 | 力帆实业(集团)股份有限公司 | Bolt locking and looseness-preventing device |
| CN105683638A (en) * | 2013-10-28 | 2016-06-15 | 奥尔科阀集团有限责任公司 | Retainer device |
| CN108071650A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Nut fastener |
| CN110714970A (en) * | 2019-10-12 | 2020-01-21 | 海盐大成汽车零部件有限公司 | Double-nut anti-loose structure |
| CN113623309A (en) * | 2020-05-09 | 2021-11-09 | 中国石油化工股份有限公司 | Self-locking screw connection structure |
-
2010
- 2010-01-27 CN CN2010101011522A patent/CN102042295A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705342A (en) * | 2012-05-31 | 2012-10-03 | 贵州精立航太科技有限公司 | Nut locking device |
| CN102829062A (en) * | 2012-09-07 | 2012-12-19 | 力帆实业(集团)股份有限公司 | Bolt locking and looseness-preventing device |
| CN105683638A (en) * | 2013-10-28 | 2016-06-15 | 奥尔科阀集团有限责任公司 | Retainer device |
| CN108071650A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Nut fastener |
| CN110714970A (en) * | 2019-10-12 | 2020-01-21 | 海盐大成汽车零部件有限公司 | Double-nut anti-loose structure |
| CN113623309A (en) * | 2020-05-09 | 2021-11-09 | 中国石油化工股份有限公司 | Self-locking screw connection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110504 |