CN2635977Y - Convenient loosening-preventing screw - Google Patents
Convenient loosening-preventing screw Download PDFInfo
- Publication number
- CN2635977Y CN2635977Y CN 03269643 CN03269643U CN2635977Y CN 2635977 Y CN2635977 Y CN 2635977Y CN 03269643 CN03269643 CN 03269643 CN 03269643 U CN03269643 U CN 03269643U CN 2635977 Y CN2635977 Y CN 2635977Y
- Authority
- CN
- China
- Prior art keywords
- nut
- groove
- boss
- recess
- screw
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to an anti-removing screw, which is specially designed to use on field unattended power transmission and telecommunication facilities to prevent equipment lost resulted from bolt missing. The screw comprises a bolt, a boss nut, and a recess nut. Wherein, the thread of the recess nut have an axial bevel recess, with a wedge nail attached in the bevel recess; before tightening-up, the outer end of the wedge nail is in the recess and faces the boss; after tightening-up, the wedge nail is pressed by the boss into the bevel recess completely to wedge the recess nut and bolt tightly and lock there. The utility model is novel in structure and easy to use; after the screw is tightened up, it can't be screwed down any longer; therefore, the secured work piece and equipment will not be lost.
Description
Technical field
The utility model relates to fastening piece, promptly a kind of anti-dismounting screw.
Background technique
The screw of being made up of screw bolt and nut is widely used fastening piece, but because existing screw is fastening, dismounting is all very convenient, to facilities such as the transmission facility that makes open-air unmanned nurse, communications equipment, traffic, municipal bridge because of being disassembled fastening screw and damaging, lose even leading to major accident.
Summary of the invention
The utility model is exactly can unscrew a kind of loosening-preventing screw of dismantling this defective and designing again easily after tightening at existing fastening screw.This convenient type loosening-preventing screw is made up of bolt and boss nut and groove nut.The opposite tower of the groove of groove nut one end and boss nut one end has the axial slope groove on the screw thread of groove nut, the inclined-plane adheres to the wedge nail with the groove nut tightening direction from depth to shallow in the inclined plane groove.Before fastening, wedge nail outer end places in the groove, and over against boss, fastening back wedge nail is pressed into inclined plane groove by boss, and groove nut and boss nut wedge is dead.The screw thread of groove nut partly can have 1 to 3 axial notch and wedge nail.
The utility model convenient type loosening-preventing screw structure is ingenious, easy to use.During use, earlier with boss nut and the fastened workpiece of bolton, the boss of boss nut is back to workpiece.Again with the relative boss of the groove ends of groove nut, tighten.The boss of boss nut gos deep into the groove of groove nut in the fastening process, simultaneously the wedge nail is pressed into the axial slope on the groove nut internal thread.Groove nut and locked with bolts the most at last, and the nail of the wedge in the axial slope can prevent that groove nut from oppositely turning on.Therefore, in a single day groove nut of the present utility model is tightened, and can not turn on, thereby have reliable anti-theft feature.
Description of drawings
Fig. 1 is the utility model user mode schematic representation.
Fig. 2 is the utility model groove nut schematic representation.
Among the figure, 1 nut, 2 fastened workpiece, 3 boss nuts, 4 boss, 5 bolts, 6 grooves, 7 wedges nail, 8 groove nuts, 9 axial slope grooves, 10 screw threads.
Embodiment
As shown in the figure, the convenient type loosening-preventing screw is made up of bolt 5 and nut.Nut comprises boss nut 3 and groove nut 8, the groove 6 of groove nut 8 one ends is opposed with the boss 4 of boss nut 3 one ends, on the screw thread 10 of groove nut 8 axial slope groove 9 is arranged, the inclined-plane adheres to wedge nail 7 with groove nut 8 tightening directions from depth to shallow in the inclined plane groove 9.Before fastening, wedge is followed closely 7 outer ends and is placed in the groove 6, over against boss 4, fastening after, wedge nail 7 all is pressed into inclined plane groove 9 by boss 4, screw thread 10 parts of groove nut 8 can have 1 to 3 axial slope groove 9 and wedge nail 7.
Claims (2)
1, the convenient type loosening-preventing screw, form by bolt and nut, it is characterized in that said nut comprises boss nut (3) and groove nut (8), the groove (6) of groove nut (8) one ends is opposed with the boss (4) of boss nut (3) one ends, on the screw thread (10) of groove nut (8) axial slope groove (9) is arranged, the inclined-plane with groove nut (8) tightening direction from depth to shallow, adhere to wedge nail (7) in the inclined plane groove (9), before fastening, wedge nail (7) outer end places in the groove (6), over against boss (4), fastening after, wedge nail (7) all is pressed into inclined plane groove (9) by boss (4).
2, convenient type loosening-preventing screw according to claim 1 is characterized in that the screw thread (10) of said groove nut (8) partly has 1 to 3 axial slope groove (9) and wedge nail (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03269643 CN2635977Y (en) | 2003-07-03 | 2003-07-03 | Convenient loosening-preventing screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03269643 CN2635977Y (en) | 2003-07-03 | 2003-07-03 | Convenient loosening-preventing screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2635977Y true CN2635977Y (en) | 2004-08-25 |
Family
ID=34300074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03269643 Expired - Fee Related CN2635977Y (en) | 2003-07-03 | 2003-07-03 | Convenient loosening-preventing screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2635977Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852231A (en) * | 2010-05-24 | 2010-10-06 | 镇江奇佩支吊架有限公司 | Quick locking device for flange groove mechanism |
| CN102644649A (en) * | 2012-04-16 | 2012-08-22 | 张更生 | Tablet-type self-locking bolt |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
-
2003
- 2003-07-03 CN CN 03269643 patent/CN2635977Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852231A (en) * | 2010-05-24 | 2010-10-06 | 镇江奇佩支吊架有限公司 | Quick locking device for flange groove mechanism |
| CN101852231B (en) * | 2010-05-24 | 2011-11-30 | 镇江奇佩支吊架有限公司 | Quick locking device for flange groove mechanism |
| CN102644649A (en) * | 2012-04-16 | 2012-08-22 | 张更生 | Tablet-type self-locking bolt |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
| CN108006047B (en) * | 2017-11-29 | 2020-08-11 | 海信（山东）空调有限公司 | Connecting pipe nut, connecting pipe assembly and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201344197Y (en) | Novel theft prevention bolt and special sleeve | |
| CN2635977Y (en) | Convenient loosening-preventing screw | |
| CN201763780U (en) | Conicity antitheft screw bolt and special sleeve barrel matched with same | |
| CN211343662U (en) | Anti-loosening device for pile hammer head | |
| CN201666302U (en) | Passive theftproof bolt and nut | |
| CN213039653U (en) | Conical convex anti-theft nut | |
| CN210440415U (en) | Novel split bolt with good anti-theft performance | |
| CN206754102U (en) | A kind of new type nut | |
| CN2654933Y (en) | Antitheft nut | |
| CN220463716U (en) | Quick fastening tool for cylinder cover bolt of diesel engine | |
| CN2204876Y (en) | Antistealing bolt and nut used on electric power distribution tower and its spanner | |
| CN2215624Y (en) | Screw-pitch changeable self-locking dismount-proof screw bolt pair | |
| CN2186818Y (en) | Anti-theft nut | |
| CN2266052Y (en) | Theft-proof fastener of check bolt and nut | |
| CN2714877Y (en) | Threaded fastener burglar alarm | |
| CN205780212U (en) | A kind of nested type cone antitheft antidetonation nut | |
| CN219282230U (en) | Anti-loose anti-theft nut set | |
| CN206221476U (en) | An anti-retraction component of crank pin of pumping unit | |
| CN2431437Y (en) | Anti-theft nut | |
| CN221257379U (en) | Composite nut structure | |
| CN105889286A (en) | Anti-theft and anti-vibration screw thread pair structure | |
| CN218625009U (en) | Locking bolt device that moves of large-scale mechanical equipment | |
| CN214404284U (en) | High tensile strength fasteners for large projects | |
| CN2573749Y (en) | Conicity sevenangular theftproof bolt | |
| CN2327831Y (en) | Anti-stealing nut |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |