CN204175768U - Dual Anti-loose bolt external member - Google Patents
Dual Anti-loose bolt external member Download PDFInfo
- Publication number
- CN204175768U CN204175768U CN201420605358.2U CN201420605358U CN204175768U CN 204175768 U CN204175768 U CN 204175768U CN 201420605358 U CN201420605358 U CN 201420605358U CN 204175768 U CN204175768 U CN 204175768U
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- China
- Prior art keywords
- bolt
- packing ring
- face
- external member
- dual anti
- 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
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- Bolts, Nuts, And Washers (AREA)
- Gasket Seals (AREA)
Abstract
The utility model relates to a kind of dual Anti-loose bolt external member, comprise bolt and packing ring, on the counterface of bolt and bolt, bearing surface is corrugated surface, corrugated surface is its protruding and evenly spaced annular spread of groove, there is between the counterface of packing ring and the bearing surface of bolt the operable state that can coordinate along the sense of rotation changing of the relative positions, and the lockup state of occlusion locking mutually.When tightening, the corrugated surface on described bolt is snapped at the corrugated surface on described packing ring; During dismounting, when the tight lock power of packing ring and fastened is greater than the snap-in force of packing ring and bolt, resiliently deformable is produced between bolt and packing ring, the projection between corrugated surface is forced to skid off groove to protruding to projection, namely repeatedly changing of the relative positions unthread bolts is rotated, thus realize performance and the structure that dismounting does not destroy bolt and packing ring, indirectly realize reusing.
Description
Technical field
The utility model relates to a kind of improvement of spacer for bolt structure, especially relate to a kind of have prevent bolt washer loosen Anti-loose bolt external member, belong to securing means technical field.
Background technique
Bolt is the most frequently used fastening pieces of people, and its structure is simple, easy to use, respond well, is widely used in various occasion.But there is the occasion of vibrations at some, often loosen for fastening bolt, cause to connect and throw off, machine failure, even causes security incident, the bolt that manufacture can be effectively anti-loosening for this reason becomes very urgent and important.
In Chinese Patent Application No. 201320796065.2, in the patent documentation that name is called " chek bolt ", respectively disclose a kind of bolt.The end face of one end of the threaded connection of head is provided with skid resistant course.Skid resistant course is made up of some teeth.Tooth is long strip.Tooth extends along the radial direction of screw rod.Tooth distributes along the circumference of screw rod.Tooth extends to screw rod from the edge of head.Tooth gives prominence to the end face of one end of the threaded connection of head.Tooth is obliquely installed.The true dip direction of tooth is contrary with the direction of screw thread.Tooth and head are structure as a whole.
There is following defect in this bolt:
1. after tooth is with the part contact that is locked, tooth is subject to head and after the extruding of the part that is locked, tooth produces resiliently deformable and headwardly to draw close, elastic force tooth being played stop the counter-rotational effect of head, simultaneously tooth to restore and play the effect improving axial locking.During dismounting, if when the part hardness that is locked is less than bolt, the structure of the face of being locked and tooth can be damaged, be unfavorable for reusing.
2. the true dip direction of tooth is contrary with the direction of screw thread, and the true dip direction of tooth is adding man-hour, and need to increase operation, manufacture can increase cost of production, is also unfavorable for one-body molded.
Summary of the invention
For the deficiency that prior art exists, when the purpose of this utility model is to provide a kind of dismounting, do not damage the structure of bolt and fastened, and can reusable dual Anti-loose bolt external member.
For achieving the above object, the utility model provides following technological scheme: a kind of dual Anti-loose bolt external member, comprise bolt and packing ring, described bolt includes stud and bolt head, described gasket sleeve is on described stud, a described packing ring axially end face is the counterface coordinated with bolt, the axial other end of described packing ring is tight locking face, the face that described bolt head coordinates with packing ring is bearing surface, it is characterized in that: on the counterface of described packing ring and bolt, bearing surface is corrugated surface, described corrugated surface is its protruding and evenly spaced annular spread of groove, there is between the counterface of described packing ring and the bearing surface of described bolt the operable state that can coordinate along the sense of rotation changing of the relative positions, and the lockup state of occlusion locking mutually.
Adopt technique scheme, after bolt and packing ring are tightened, the ripple projection on bolt corrugated surface embeds the corrugation grooves on packing ring corrugated surface, and two ripples extrude mutually, thus serve the effect of locking, because bolt and packing ring fitting surface to relatively rotate, when the corrugated surface projection of bolt skids off corrugated surface groove on packing ring, namely when projection is to projection, create lifting tension force, thus raising washer locking is in the face of the coupling mechanism force of fastened, effectively play locking effect, during dismounting, when the tight lock power of packing ring and fastened is greater than the snap-in force of packing ring and bolt, unthread bolts, resiliently deformable is produced between bolt and packing ring, the projection between corrugated surface is forced to skid off groove to protruding to projection, continue unthread bolts, corrugated surface slips into groove part by projection again, now the gap of bolt and packing ring can increase, during continuation unthread bolts, torsion can be more and more less, thus realize performance and the structure that dismounting does not destroy bolt and packing ring, indirectly realize reusing.
The utility model is arranged further: described bolt is flange face bolt, round platform is extended in described bolt flange face, round platform end face is the bearing surface of described bolt, described round platform end face extends described stud, on described stud, the position of corresponding described packing ring is provided with gasket sleeve position, and described gasket sleeve is located on described gasket sleeve position.
Adopt technique scheme; flanged surface on flange face bolt serves the effect of protection bolt resistance surface; round platform can coincide and packing ring; make structure compacter; surface, gasket sleeve position is cylindrical, and size is corresponding with packing ring through hole, and the packing ring that is arranged so that of gasket sleeve position can position rotating; convenient installation, and bolt coordinates more reliable and stable with packing ring.
The utility model is arranged further: described bearing surface is convex cone face, and the counterface of described packing ring is the concave cone face corresponding with bearing surface.
Adopt technique scheme, bolt is connected with the pad conical surface, increases surface of contact, thus improve frictional force, add the anti-loosing effect of packing ring and bolt cooperation, there is mutually nested effect in ripple concave cone face with ripple convex cone mask in addition, makes packing ring and bolt coordinate more reliable and stable.
The utility model is arranged further: described gasket sleeve position extended length is greater than the through hole length of described packing ring.
Adopt technique scheme, surface, gasket sleeve position is cylindrical, and size is corresponding with packing ring through hole, and extended length is greater than the through hole length of packing ring, and the tight locking face on packing ring can be made to contact completely and fastened, thus improves the tight lock power of tight locking face and fastened.
The utility model is arranged further: described tight locking face is provided with the radial protrusion bar placed, and described protrusion bar annular distribution is on described tight locking face, and the cross section of described protrusion bar is square, and the longitudinal section of described protrusion bar is square.
Adopt technique scheme, under pulled condition, relatively soft fastening surface can be formed square, forms mirror image square structure with packing ring, makes packing ring achieve self-locking friction locking, during dismounting, forces and unclamp from bolt and packing ring cooperation place.
The utility model is arranged further: described bolt and described packing ring are cold-heading part.
Adopt technique scheme, the structure of packing ring and bolt is conducive to one-body molded, uses cold header to produce and effectively can improve manufacturing efficiency.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is the utility model embodiment explosive view;
Fig. 3 is the utility model embodiment packing ring stereogram;
Fig. 4 is the tight locking face figure of the utility model embodiment middle washer.
Embodiment
As shown in Fig. 1-Fig. 4, the utility model discloses a kind of dual Anti-loose bolt external member, comprise bolt 1 and packing ring 2, bolt is provided with stud 15, gasket sleeve is on stud, a packing ring 2 axially end face is the counterface 21 coordinated with bolt, the axial other end of packing ring is tight locking face 22, the face that bolt coordinates with packing ring is bearing surface 11, on the counterface 21 of packing ring and bolt, bearing surface 11 is corrugated surface, corrugated surface is its protruding and evenly spaced annular spread of groove, there is between the counterface 21 of packing ring and the bearing surface 11 of bolt the operable state that can coordinate along the sense of rotation changing of the relative positions, and the lockup state of occlusion locking mutually.By above-described embodiment, after bolt and packing ring are tightened, the ripple projection on bolt corrugated surface embeds the corrugation grooves on packing ring corrugated surface, and two ripples extrude mutually, thus serve the effect of locking, because bolt and packing ring fitting surface to relatively rotate, when the corrugated surface projection 24 of bolt skids off corrugated surface groove 14 on packing ring, namely when projection is to projection, realize increasing the extruding force to packing ring, improve the coupling mechanism force of faced by washer locking fastened, effectively play locking effect, during dismounting, when the tight lock power of packing ring and fastened is greater than the snap-in force of packing ring and bolt, unthread bolts, resiliently deformable is produced between bolt and packing ring, the projection 24 between corrugated surface is forced to skid off groove 14 to projection to projection, groove 14 part is slipped into again by protruding 24, thus realize performance and the structure that dismounting does not destroy bolt and packing ring, indirectly realize reusing.
Bolt 1 is flange face bolt 1; bolt flange face is extended round platform 12; round platform end face extends stud 15; on stud 15, the position of corresponding described packing ring is provided with gasket sleeve position; packing ring 2 is set on gasket sleeve position and passes through above-described embodiment; flanged surface on flange face bolt serves the effect of protection bolt resistance surface; round platform can coincide and packing ring; make structure compacter; the packing ring that is arranged so that of gasket sleeve position can position rotating; convenient installation, and bolt coordinates more reliable and stable with packing ring.
Bearing surface 11 is convex cone face, and the counterface 21 of packing ring is the concave cone face corresponding with bearing surface 11.By above-described embodiment, bolt is connected with the pad conical surface, increases surface of contact, thus improve frictional force, add the anti-loosing effect of packing ring and bolt cooperation, ripple concave cone face and ripple convex cone mask have mutual interlocking in addition, make packing ring and bolt coordinate more reliable and stable.
Gasket sleeve position extends the through hole length that 13 length are greater than packing ring 21.By above-described embodiment, the tight locking face on packing ring can be made to contact completely and fastened, thus improve the tight lock power of tight locking face and fastened.
Tight locking face 22 is provided with the radial protrusion bar 23 placed, and protrude bar 23 annular distribution on tight locking face 22, the cross section protruding bar 23 is square, and the longitudinal section of protruding bar 23 is square.By above-described embodiment, under pulled condition, relatively soft fastening surface can be formed and squarely form mirror image square structure with packing ring, makes packing ring achieve self-locking friction locking, during dismounting, forces and unclamp from bolt and packing ring cooperation place.
Bolt 1 and packing ring 2 are cold-heading part.By above-described embodiment, the structure of packing ring and bolt is conducive to one-body molded, uses cold header to produce and effectively can improve manufacturing efficiency.
Dual Anti-loose bolt external member provided by the utility model realizes locking working principle and is: when connected piece is relatively hard material, the protrusion bar structure adopted bottom packing ring is multiple spot or linear contact lay with being connected face, can realize increasing friction factor, play the effect that friction is locking, when needing to take off, only need overcome friction just can unclamp; When connected piece is relatively soft material, protrude bar loose structure and connected piece surface can be squeezed out relative protrusion bar texture grooves, two surface of contact become the tight lock status of occlusion, packing ring is made to realize self-locking friction locking, now the tight lock power of packing ring and fastened is greater than the snap-in force of packing ring and bolt, when producing vibrations or other modes destroy, because bolt and packing ring fitting surface to relatively rotate, the relative changing of the relative positions of corrugated surface, produce lifting tension force, thus improve the coupling mechanism force of packing ring, effectively play locking effect; During dismounting, when tight lock frictional force due to packing ring and fastening surface is greater than the snap-in force of packing ring and bolt, unthread bolts, make to produce resiliently deformable between bolt and packing ring, the projection between corrugated surface is forced to skid off groove to protruding to projection, groove part is slipped into again by projection, continue unthread bolts, corrugated surface slips into groove part by projection again, now the gap of bolt and packing ring can increase, during continuation unthread bolts, torsion can be more and more less, thus realize performance and structure that dismounting does not destroy bolt and packing ring, indirectly realizes reusing.
Claims (6)
1. a dual Anti-loose bolt external member, comprise bolt and packing ring, described bolt includes stud and bolt head, described gasket sleeve is on described stud, a described packing ring axially end face is the counterface coordinated with bolt, the axial other end of described packing ring is tight locking face, the face that described bolt head coordinates with packing ring is bearing surface, it is characterized in that: on the counterface of described packing ring and bolt, bearing surface is corrugated surface, described corrugated surface is its protruding and evenly spaced annular spread of groove, there is between the counterface of described packing ring and the bearing surface of described bolt the operable state that can coordinate along the sense of rotation changing of the relative positions, and the lockup state of occlusion locking mutually.
2. dual Anti-loose bolt external member according to claim 1, it is characterized in that: described bolt is flange face bolt, round platform is extended in described bolt flange face, described round platform end face extends described stud, on described stud, the position of corresponding described packing ring is provided with gasket sleeve position, and described gasket sleeve is located on described gasket sleeve position.
3. dual Anti-loose bolt external member according to claim 2, is characterized in that: described bearing surface is convex cone face, and the counterface of described packing ring is the concave cone face corresponding with bearing surface.
4. dual Anti-loose bolt external member according to claim 2, is characterized in that: described gasket sleeve position extended length is greater than the through hole length of described packing ring.
5. dual Anti-loose bolt external member according to claim 1, it is characterized in that: described tight locking face is provided with the protrusion bar radially placed, each protrusion bar annular distribution is on described tight locking face, and the cross section of described protrusion bar is square, and the longitudinal section of described protrusion bar is square.
6. the dual Anti-loose bolt external member according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described bolt and described packing ring are cold-heading part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605358.2U CN204175768U (en) | 2014-10-20 | 2014-10-20 | Dual Anti-loose bolt external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605358.2U CN204175768U (en) | 2014-10-20 | 2014-10-20 | Dual Anti-loose bolt external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175768U true CN204175768U (en) | 2015-02-25 |
Family
ID=52564579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605358.2U Expired - Fee Related CN204175768U (en) | 2014-10-20 | 2014-10-20 | Dual Anti-loose bolt external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175768U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197803A1 (en) * | 2015-06-11 | 2016-12-15 | 刘凤翼 | Self-tightening nut and bolt fastener |
| CN106545562A (en) * | 2015-09-18 | 2017-03-29 | 株式会社永岛制作所 | Fixed structure |
| CN107830043A (en) * | 2017-09-28 | 2018-03-23 | 黑龙江八农垦大学 | A kind of fastener |
| WO2019157821A1 (en) * | 2018-02-14 | 2019-08-22 | 宁波速普电子有限公司 | Connection mechanism for preventing loosening |
| CN110792677A (en) * | 2019-10-31 | 2020-02-14 | 常铁军 | Fastening device for fastening with bolt in matching manner and bolt with fastening device |
| CN111457001A (en) * | 2020-03-30 | 2020-07-28 | 北京开合科技有限公司 | Fastener of anti-loosening method of amplitude-reducing wave surface |
| CN112431842A (en) * | 2020-12-07 | 2021-03-02 | 杨磊 | Novel anti-loosening screw |
| CN112458639A (en) * | 2020-10-12 | 2021-03-09 | 宁波市鄞州勇耀缝制机械有限公司 | Line inserting and pressing sheet and shuttle thereof |
| CN113653721A (en) * | 2021-07-15 | 2021-11-16 | 中国联合重型燃气轮机技术有限公司 | Lock washer, bolt assembly and mounting structure |
| CN114183453A (en) * | 2021-12-17 | 2022-03-15 | 张家陶 | Interlocking type bolt anti-loosening structure |
-
2014
- 2014-10-20 CN CN201420605358.2U patent/CN204175768U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197803A1 (en) * | 2015-06-11 | 2016-12-15 | 刘凤翼 | Self-tightening nut and bolt fastener |
| CN106545562A (en) * | 2015-09-18 | 2017-03-29 | 株式会社永岛制作所 | Fixed structure |
| CN107830043A (en) * | 2017-09-28 | 2018-03-23 | 黑龙江八农垦大学 | A kind of fastener |
| WO2019157821A1 (en) * | 2018-02-14 | 2019-08-22 | 宁波速普电子有限公司 | Connection mechanism for preventing loosening |
| CN110792677A (en) * | 2019-10-31 | 2020-02-14 | 常铁军 | Fastening device for fastening with bolt in matching manner and bolt with fastening device |
| CN111457001A (en) * | 2020-03-30 | 2020-07-28 | 北京开合科技有限公司 | Fastener of anti-loosening method of amplitude-reducing wave surface |
| CN112458639A (en) * | 2020-10-12 | 2021-03-09 | 宁波市鄞州勇耀缝制机械有限公司 | Line inserting and pressing sheet and shuttle thereof |
| CN112431842A (en) * | 2020-12-07 | 2021-03-02 | 杨磊 | Novel anti-loosening screw |
| CN113653721A (en) * | 2021-07-15 | 2021-11-16 | 中国联合重型燃气轮机技术有限公司 | Lock washer, bolt assembly and mounting structure |
| CN113653721B (en) * | 2021-07-15 | 2023-10-03 | 中国联合重型燃气轮机技术有限公司 | Lock washer, bolt assembly and mounting structure |
| CN114183453A (en) * | 2021-12-17 | 2022-03-15 | 张家陶 | Interlocking type bolt anti-loosening structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20181020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |