CN201568427U - Anti-looseness sexangular flange bolt - Google Patents
Anti-looseness sexangular flange bolt Download PDFInfo
- Publication number
- CN201568427U CN201568427U CN2009202416389U CN200920241638U CN201568427U CN 201568427 U CN201568427 U CN 201568427U CN 2009202416389 U CN2009202416389 U CN 2009202416389U CN 200920241638 U CN200920241638 U CN 200920241638U CN 201568427 U CN201568427 U CN 201568427U
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- CN
- China
- Prior art keywords
- discharge flange
- screw
- fastener
- flange
- head
- 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 - Lifetime
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- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
An anti-looseness sexangular flange bolt comprises a screw head part, and a rod part vertically arranged in the centre of the head part. Screw threads are formed on the rod part, a rubbing surface matched with a pretension device is arranged at one end of the head part while the other end thereof is provided with a joint surface in contact with a fastened piece, the head part is also provided with a discharge flange which is used for pushing out materials on the fastened piece and embedded in the fastened piece, the discharge flange protrudes out of the joint surface, and the projection of the discharge flange is polygonal on a cross section perpendicular to the axial lead of the rod part. The utility model has the advantages as follows: after being locked tightly, the discharge flange can push out part of material on the surface of the fastened piece to the periphery, and the discharge flange is enabled to be embedded into the surface of the fastened piece. Therefore, the degree of freedom of the bolt in the rotation direction can be eliminated.
Description
Technical field
The utility model belongs to fastener areas, particularly relates to a kind ofly realizing that by self structure fastening back is locking, the screw of anti-rotation.
Background technique
Screw of the prior art, as shown in Figure 1, it comprises screw head 1 and offers threaded bar portion 2 that a side surface relative with fastener is smooth junction plane on the screw head mostly, after among screw screws in fastener, junction plane contacts with fastener.By two parts of screw lock under the effect that is given a shock with varying load, the phenomenon that fastening piece gets loose takes place easily, and screw does not generally have the function of locking and anticreep, must realize anticreep by links such as pad or nuts, owing to can limit the use of pad or nut under some occasion, therefore the hidden danger that can bring screw thread to get loose.
Summary of the invention
The purpose of this utility model is to overcome shortcoming of the prior art, and a kind of screw of getting loose of can effectively preventing is provided.
For achieving the above object, the technological scheme that the utility model adopted is: a kind of locking hexagonal flange screw, it comprises screw head and vertically is built up in the bar portion of described head central authorities, offer screw thread in the described bar portion, one end of described head has the rubbing surface that matches with pre-tightening apparatus, the other end of described head has and the contacted junction plane of fastener, also have the material that is used to squeeze on the fastener on the described head and be partially submerged into discharge flange within the described fastener at least, described discharge flange protrudes from described junction plane, on cross section perpendicular to the shaft axis of described bar portion, described discharge flange be projected as polygonal.
Preferably, on cross section perpendicular to the shaft axis of described bar portion, described discharge flange be projected as regular hexagon.
Compared with prior art, the advantage that the utlity model has is: after the self-locking screw screws in fastener and is locked, around the discharge flange can squeeze the lip-deep part material of fastener, make the discharge flange can be embedded into the fastener surface, and the discharge flange is originally as nonturning body, therefore can eliminate the degrees of freedom of screw on sense of rotation, thereby reach the effect that prevents that screw from getting loose.Therefore utilize the utility model to lock, can avoid using structures such as anticreep pad or nut, reduced to protrude from the height of fastened parts surface, make the profile of fastener more attractive in appearance, the surface is more smooth.
Description of drawings
Accompanying drawing 1 is the plan view of screw of the prior art;
Accompanying drawing 2 is the worm's eye view of screw of the prior art;
Accompanying drawing 3 is embodiment's one an of the present utility model plan view;
Accompanying drawing 4 is embodiment's one an of the present utility model worm's eye view;
Accompanying drawing 5 is embodiment's two plan views of the present utility model;
Accompanying drawing 6 is embodiment's two worm's eye views of the present utility model;
Wherein: 1, head; 2, bar portion; 11, rubbing surface; 12, junction plane; 13, grooving; 15, discharge flange; 16, double wedge.
Embodiment
Accompanying drawing 3 and accompanying drawing 4 are depicted as embodiment one of the present utility model, and it has disclosed a kind of locking hexagonal flange screw, comprise screw head 1 and vertically are built up in the bar portion 2 of described head 1 central authorities.
One end of described head 1 has the rubbing surface 11 that matches with pre-tightening apparatus, and pre-tightening apparatus is meant screw-driver or electric screw or spanner etc., and the other end of described head 1 has and the contacted junction plane 12 of fastener.Offer screw thread in the described bar portion 2, offer forming tank 13 being positioned in the bar portion 2 near on the position of junction plane 12.
Also have discharge flange 15 on the described head 1, described discharge flange 15 forms the boss that outwards protrudes on described junction plane 12.After the self-locking screw is threaded into fastener and further screws, described discharge flange 15 will push the surface of fastener, squeeze the material on the fastener, it is had at least is partially submerged within the described fastener, because on cross section perpendicular to the shaft axis of described bar portion 2, described discharge flange 15 be projected as polygonal, therefore can eliminate the degrees of freedom of self-locking screw on sense of rotation, well play the effect of anti-rotation.
Say further, described discharge flange 15 be projected as regular hexagon.
As a kind of conversion, sometimes the engineering staff can be designed to discharge flange 15 have a plurality of structures that protrude from the double wedge 16 of described junction plane, on cross section perpendicular to the shaft axis of described bar portion 2, the shaft axis that a plurality of described double wedges 16 are evenly distributed on described bar portion 2 is on the circumferencial direction in the center of circle, shown in accompanying drawing 5 and accompanying drawing 6.It can play the effect of anti-rotation equally, but the intensity of anti-rotation is less, and for manufacturing enterprise, because double wedge 16 need utilize Mould Machining when screw is shaped, and the die life of processing double wedge is shorter, so this embodiment is not a most preferred embodiment of the present utility model.
Above mode of execution only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand the utility model content and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to spirit of the present invention change or modify, and all should be encompassed in the protection domain of the present utility model.
Claims (1)
1. locking hexagonal flange screw, comprise screw head and vertically be built up in the bar portion of described head central authorities, offer screw thread in the described bar portion, one end of described head has the rubbing surface that matches with pre-tightening apparatus, the other end of described head has and the contacted junction plane of fastener, it is characterized in that: also have the material that is used to squeeze on the fastener on the described head and be partially submerged into discharge flange within the described fastener at least, described discharge flange protrudes from described junction plane, on cross section perpendicular to the shaft axis of described bar portion, described discharge flange be projected as regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202416389U CN201568427U (en) | 2009-12-02 | 2009-12-02 | Anti-looseness sexangular flange bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202416389U CN201568427U (en) | 2009-12-02 | 2009-12-02 | Anti-looseness sexangular flange bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568427U true CN201568427U (en) | 2010-09-01 |
Family
ID=42660712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202416389U Expired - Lifetime CN201568427U (en) | 2009-12-02 | 2009-12-02 | Anti-looseness sexangular flange bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201568427U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382957A (en) * | 2013-07-25 | 2013-11-06 | 超捷紧固系统(上海)股份有限公司 | Pressure riveting connection fastening piece for sheet metal component |
| CN105889297A (en) * | 2016-06-07 | 2016-08-24 | 四川省宜宾普什模具有限公司 | Gasket, screw and screw assembly |
| CN105980670A (en) * | 2014-01-30 | 2016-09-28 | 舍弗勒技术股份两合公司 | Camshaft amplifier |
| TWI613371B (en) * | 2012-06-29 | 2018-02-01 | 殷費帝克智財專賣有限公司 | Self-clinching fastener |
| CN108915132A (en) * | 2018-07-04 | 2018-11-30 | 中国十七冶集团有限公司 | A kind of the open style curtain wall connection structure |
| CN109099043A (en) * | 2018-09-29 | 2018-12-28 | 隆鑫通用动力股份有限公司 | A kind of the fixation device and its installation method of farm machinery outer cover |
| CN110759210A (en) * | 2019-10-29 | 2020-02-07 | 上海三菱电梯有限公司 | Handrail mounting structure, elevator car and vertical lift formula elevator of elevator |
| CN115111239A (en) * | 2021-03-17 | 2022-09-27 | 宾科精密部件(中国)有限公司 | Composite fastener and assembly structure and assembly method thereof |
-
2009
- 2009-12-02 CN CN2009202416389U patent/CN201568427U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI613371B (en) * | 2012-06-29 | 2018-02-01 | 殷費帝克智財專賣有限公司 | Self-clinching fastener |
| CN103382957A (en) * | 2013-07-25 | 2013-11-06 | 超捷紧固系统(上海)股份有限公司 | Pressure riveting connection fastening piece for sheet metal component |
| CN105980670A (en) * | 2014-01-30 | 2016-09-28 | 舍弗勒技术股份两合公司 | Camshaft amplifier |
| CN105889297A (en) * | 2016-06-07 | 2016-08-24 | 四川省宜宾普什模具有限公司 | Gasket, screw and screw assembly |
| CN108915132A (en) * | 2018-07-04 | 2018-11-30 | 中国十七冶集团有限公司 | A kind of the open style curtain wall connection structure |
| CN109099043A (en) * | 2018-09-29 | 2018-12-28 | 隆鑫通用动力股份有限公司 | A kind of the fixation device and its installation method of farm machinery outer cover |
| CN110759210A (en) * | 2019-10-29 | 2020-02-07 | 上海三菱电梯有限公司 | Handrail mounting structure, elevator car and vertical lift formula elevator of elevator |
| CN110759210B (en) * | 2019-10-29 | 2023-02-28 | 上海三菱电梯有限公司 | Handrail mounting structure, elevator car and vertical lift formula elevator of elevator |
| CN115111239A (en) * | 2021-03-17 | 2022-09-27 | 宾科精密部件(中国)有限公司 | Composite fastener and assembly structure and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |