CN104210665A - Bearing quick-release lock - Google Patents
Bearing quick-release lock Download PDFInfo
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- CN104210665A CN104210665A CN201410425057.6A CN201410425057A CN104210665A CN 104210665 A CN104210665 A CN 104210665A CN 201410425057 A CN201410425057 A CN 201410425057A CN 104210665 A CN104210665 A CN 104210665A
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- lock
- pinning
- quick
- load
- release fastener
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Abstract
The invention discloses a bearing quick-release lock and belongs to the fields of quick release connection of a fairing and an access panel which are frequently released in an aviation helicopter structure. The bearing quick-release lock is characterized by comprising a lock seat assembly and a lock pin assembly, wherein the lock seat assembly comprises a sealing cap, a snap spring, a compression spring, a sliding block and a lock seat; the lock pin assembly consists of a washer, a lock pin, a bush and an ejection rod. The bearing quick-release lock disclosed by the invention has the advantages of light structural weight, attractive appearance, high reliability, sealing property and certain bearing capacity, and can be suitable for quick release connection of a fairing at a position where the vibration environment is particularly severe. According to the quick-release lock disclosed by the invention, after locking, the lock pin is clamped by a clamping groove of the sliding block, so that the lock pin cannot extend by rotating; the lock pin can be unlocked by rotating after the ejector rod is pushed by a tool and is enabled to push the sliding block to move until the lock pin cannot be clamped by the sliding block; after locking, the ejector rod ejects to be in flush with the head of the lock pin, so whether the virtual locking exists or not can be effectively judged.
Description
Technical field
The invention belongs to the normal fairing of dismounting, the quick-release connection area of lid in aviation helicopter structure, relate to a kind of quick-detachable lock version.
Background technology
Helicopter Dynamic Components is many, and level of vibration is large, and the position vibration environments such as cowling, tail reducer fairing are particularly severe.Because driving engine, tail reducer etc. are safeguarded frequent, this place's fairing needs often dismounting, due to Helicopter Dome, often profile is comparatively complicated, the restrictions such as the needs of the frequent demolition and maintenance of consideration fairing and connecting-piece structure size, weight, often adopt small-sized quick-release nail to be connected usually between fairing with structure.Repeatedly occur that fairing quick-release nail gets loose during several quick-releases nail that the military, civilian helicopter of several moneys in-service is at present selected uses, rupture, the fault such as ejection, if particularly cowling, tail reducer fairing annex quick-release langrage are got on blade and can be damaged blade after going out, bring potential safety hazard, consequence is hardly imaginable.
Summary of the invention
Object of the present invention:
It is comparatively large and need the fairing of often dismounting to connect that quick-detachable lock of the present invention is used for helicopter vibration level, and to meet quick-detachment, the installation requirement of fairing, quick-detachable lock should have high reliability under the king-sized harsh environment of level of vibration uses simultaneously.
Technical scheme of the present invention:
A kind of load-bearing quick-release fastener, is characterized in that, comprise seal cap 1, jump ring 2, Compress Spring 3, slide block 4, lock 5, packing ring 6, pinning 7, lining 8 and push rod 9 and form; Seal cap 1 is thin-walled barrel, seals; Jump ring 2 is ring elastic parts, plays spacing left and right; Compress Spring 3 is in compressive state after assembling all the time; Slide block 4 is cylinder, and centre has groove, and bilateral symmetry stretches out an auricle, for the installation of self; Cylinder in hollow in the middle of lock 5, uniform two chutes of bilateral symmetry, for the installation of slide block 4 and assembling rear slider 4 along slide, there are two symmetrical steps inside, and it is spacing and transmit pinning 7 and act on power on lock 5 that step end face is used for the locking of locking states pinning 7; There is oval auricle lock 5 upper end; circular hole is opened at auricle two ends; for installations such as lock 5 and structure mouth frames; fluting nibs in the middle of auricle; aperture perimeters has an annular boss, shields to structure, can prevent pinning 7 in unlatching, locking process from scratching housing construction; lock 5 bottom has circular groove, for fixing jump ring 2.Packing ring 6 initial condition band sink, flare, need will to sink pressing, make it ringwise during assembling with instrument; Pinning 7 is in swivel, and upper end face has criss-cross fluting (similar with general crisscross screw), can be used for instrument (common in-line and Philips screwdriver) and opens and locking pinning 7; Pinning 7 centre portion is cylindrical bar; Lower end is hammer body shape, and the 5 liang of step end face contact surfaces in locking states hammer body two ends and lock contact, for the power acted on pinning 7 is delivered to lock 5; There is manhole pinning 7 inside in the axial direction, for installing push rod 9; Lining 8 is annular arrangement; Push rod 9 is cylinder, wherein one end overstriking.
Its assembly relation is made up of lock assembly, pinning assembly.Lock assembly is made up of lock 5, slide block 4, Compress Spring 3, jump ring 2, seal cap 1.Loaded by slide block 4 after in the chute of auricle loading lock 5 two ends, lock 5 slide block 4 two ends and Compress Spring 3 is loaded lock 5, then loaded by jump ring 2 in the circular groove of lock 5, finally load in lock 5 by seal cap 1 again, namely lock assembly has assembled.Wherein: jump ring 2 is spacing for Compress Spring 3, Compress Spring 3 is made can not to deviate from from lock 5 inside; Compress Spring 3 makes slide block 4 along lock 5 slide, can reset under the elastic force of Compress Spring 3 without in external force situation under the effect of lock 5 diametral load; Seal cap 1, for the sealing of lock 5, is connected by roll extrusion with lock 5.Pinning assembly is made up of pinning 7, push rod 9, lining 8, packing ring 6.First push rod 9 is loaded pinning 7 through hole posterior end (non-overstriking one end) mounting bush 8 again, lining 8 and push rod 9 are connected as a single entity and make push rod 9 slide up and down certain distance along pinning 7 and can not deviate from pinning 7; Then being contained in by pinning 7 after on dome structure (as spring leaf) loads in pinning 7 by packing ring 6 again, finally flatten sagging for packing ring 6 with instrument, packing ring 6 diameter of bore is reduced, packing ring 6 cannot be deviate from from pinning 7, thus also ensure that pinning assembly cannot be deviate from from dome structure.Again pinning assembly is arranged on dome structure after lock assembly being arranged on structure mouth frame, a whole set of quick-detachable lock and installation.According to decker sandwich thickness, pinning 7 can be designed to different length specifications, and visual feelings increase and adjust pad to make pinning 7 length and decker sandwich thickness matching between packing ring 6 and dome structure.
Quick-detachable lock locking principle of the present invention is: pin with screwdriver and rotate pinning 7, in the fluting that pinning 7 is entered on lock 5 auricle, when pinning 7 half-twist, pinning 7 just aims at the draw-in groove of slide block 4, unclamp screwdriver, slide block 4 blocks pinning 7 at elastic force effect sliding block 4 draw-in groove of Compress Spring 3, because slide block 4 can only along pinning 7 axially lower slider and cannot rotating, so pinning 7 cannot rotate, and now in lock 5 two step end faces also hammer body place, pinning 7 lower end is blocked pinning 7 can not be moved axially along pinning 7, and then pinning 7 cannot be deviate from from lock 5, thus realize the locking of quick-release nail.Because locking state withstands pinning 7 all the time bottom Compress Spring 3 elastic force effect sliding block 4 draw-in groove, and haveing nothing to do without Compress Spring under responsive to axial force 3 elastic force and decker sandwich thickness, effectively can solve the failure problems that general quick-detachable lock pinning 7 length and thickness of interlayer do not mate generation.
Quick-detachable lock open theory of the present invention is: pin pinning 7 (need simultaneously pin push rod 9) with screwdriver, push rod 9 promotes slide block 4 and moves and make slide block 4 draw-in groove can not block pinning 7, again by pinning 7 half-twist, now in lock 5, hammer body place, pinning 7 lower end can not block by two steps, pinning 7 ejects under the effect of Compress Spring 3 elastic force from the fluting of lock 5, can realize quick-detachable lock and open.
Beneficial effect of the present invention:
Quick-detachable lock lightweight construction of the present invention, good looking appearance, reliability are high, and possess leak tightness and certain load-carrying capacity, can be applicable to vibration environment and especially badly locate fairing quick-release connection needs.Compared with general quick-detachable lock, locking, unlatching simple dependence overcome spring force to realize.Be block pinning 7 by the draw-in groove of slide block 4 after this small-sized quick-detachable lock locking, make pinning 7 rotate; Unlatching promotes push rod 9 by instrument (as screwdriver) to make push rod 9 promote slide block 4 to move, opened by pinning 7 until slide block 4 could rotate after can not blocking pinning 7; After locking, push rod 9 ejects to flushing with pinning 7 head, can effectively judge whether semi-locking.
Accompanying drawing explanation
Fig. 1: structure cutaway view of the present invention
Fig. 2: structural blast figure of the present invention
Fig. 3-1: lock partial view of the present invention
The A-A direction view of Fig. 3-2: Fig. 3-1
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details, see Fig. 1, Fig. 2 and Fig. 3.A kind of load-bearing quick-release fastener, comprises seal cap 1, jump ring 2, Compress Spring 3, slide block 4, lock 5, packing ring 6, pinning 7, lining 8 and push rod 9 and forms; Its assembly relation is made up of lock assembly, pinning assembly.Lock assembly is made up of lock 5, slide block 4, Compress Spring 3, jump ring 2, seal cap 1; Compress Spring 3 is loaded lock 5 by its installation steps after successively slide block 4 being loaded lock 5 (slide block 4 two ends auricle loads in the chute of lock 5 two ends), again jump ring 2 is loaded in the circular groove of lock 5, finally load in lock 5 by seal cap 1 again, namely lock assembly has assembled.Wherein: seal cap 1, for the sealing of lock 5, is connected by roll extrusion with lock 5.Pinning assembly is made up of pinning 7, push rod 9, lining 8, packing ring 6; Its installation steps are for first to load pinning 7 through hole posterior end (non-overstriking one end) mounting bush 8 again by push rod 9, lining 8 and push rod 9 are connected as a single entity, then being contained in by pinning 7 after on dome structure (as spring leaf) loads in pinning 7 by packing ring 6 again, finally flatten sagging for packing ring 6 with instrument, packing ring 6 cannot be deviate from from pinning 7, and namely pinning assembly has assembled.Again pinning assembly is arranged on dome structure after lock assembly being arranged on structure mouth frame, a whole set of quick-detachable lock and installation.According to decker sandwich thickness, pinning 7 can choose different length specifications, and visual feelings increase and adjust pad to make pinning 7 length and decker sandwich thickness matching between packing ring 6 and dome structure.
Embodiment 1:
In a case study on implementation of the present invention, jump ring 2 is gauge member, lock 5, pinning 7, packing ring 6 all adopt corrosion-resistant steel manufacture, pinning 7 diameter minimum place diameter is Ф 4.5mm, the minimum place of lock 5 outer dia is Ф 11mm, quick-detachable lock load-carrying capacity (tension) is 8500N, and a whole set of lock weight is 13g.
Claims (10)
1. a load-bearing quick-release fastener, it is characterized in that, comprise lock assembly and pinning assembly, lock assembly is made up of seal cap (1), jump ring (2), Compress Spring (3), slide block (4) and lock (5), and pinning assembly is made up of packing ring (6), pinning (7), lining (8) and push rod (9);
Lock component mounting step is, after slide block (4) is loaded lock (5), Compress Spring (3) is loaded lock (5), again jump ring (2) is loaded in the circular groove of lock (5), finally again seal cap (1) is loaded in lock (5); Pinning component mounting step is first push rod (9) to be loaded after pinning (7) through hole mounting bush (8) again, then being contained in by pinning (7) after on dome structure loads in pinning (7) by packing ring (6) again, finally flatten sagging for packing ring (6) with instrument, packing ring (6) cannot be deviate from from pinning (7); Again pinning assembly is arranged on dome structure after lock assembly being arranged on structure mouth frame, a whole set of quick-detachable lock and installation.
2. load-bearing quick-release fastener according to claim 1, is characterized in that, described seal cap (1) is thin-walled barrel, seals.
3. load-bearing quick-release fastener according to claim 1, is characterized in that, described jump ring (2) is ring elastic parts, plays spacing left and right.
4. load-bearing quick-release fastener according to claim 1, is characterized in that, is in compressive state all the time after described Compress Spring (3) assembling.
5. load-bearing quick-release fastener according to claim 1, is characterized in that, described slide block (4) is cylinder, and centre has groove, and bilateral symmetry stretches out an auricle, for the installation of self.
6. load-bearing quick-release fastener according to claim 1, it is characterized in that, cylinder in hollow in the middle of described lock (5), uniform two chutes of bilateral symmetry, for slide block (4) installation and assembling rear slider (4) along slide, there are two symmetrical steps inside, and it is spacing and transmit pinning (7) and act on power on lock (5) that step end face is used for the locking of locking states pinning (7); There is oval auricle lock (5) upper end; circular hole is opened at auricle two ends; for installations such as lock (5) and structure mouth frames; fluting nibs in the middle of auricle; aperture perimeters has an annular boss, shields to structure, can prevent pinning (7) in unlatching, locking process from scratching housing construction; lock (5) bottom has circular groove, for fixing jump ring (2).
7. load-bearing quick-release fastener according to claim 1, is characterized in that, described packing ring (6) initial condition band sink, flare, need will to sink pressing, make it ringwise during assembling with instrument.
8. load-bearing quick-release fastener according to claim 1, is characterized in that, described pinning (7) is in swivel, and upper end face has criss-cross fluting and can be used for instrument unlatching and locking pinning (7); Pinning (7) centre portion is cylindrical bar; Lower end is hammer body shape, and locking states hammer body two ends contact with lock (5) two step end face, for the power acted on pinning (7) is delivered to lock (5); There is manhole pinning (7) inside in the axial direction, for installing push rod (9).
9. load-bearing quick-release fastener according to claim 1, is characterized in that, described lining (8) is annular arrangement.
10. load-bearing quick-release fastener according to claim 1, is characterized in that, described push rod (9) is cylinder, wherein one end overstriking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425057.6A CN104210665B (en) | 2014-08-26 | 2014-08-26 | A kind of load-bearing quick-release fastener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425057.6A CN104210665B (en) | 2014-08-26 | 2014-08-26 | A kind of load-bearing quick-release fastener |
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| Publication Number | Publication Date |
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| CN104210665A true CN104210665A (en) | 2014-12-17 |
| CN104210665B CN104210665B (en) | 2018-04-27 |
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| CN201410425057.6A Active CN104210665B (en) | 2014-08-26 | 2014-08-26 | A kind of load-bearing quick-release fastener |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508373A (en) * | 2016-01-22 | 2016-04-20 | 上海三思电子工程有限公司 | Tool-free mounting device and LED display screen using same |
| CN107310712A (en) * | 2017-04-21 | 2017-11-03 | 陕西飞机工业（集团）有限公司 | A kind of pallet restraint device |
| CN107882438A (en) * | 2018-01-03 | 2018-04-06 | 北京首航科学技术开发有限公司 | Adjustable quick-detachable lock and its lock |
| CN109826856A (en) * | 2019-04-11 | 2019-05-31 | 北京首航科学技术开发有限公司 | Quick-detachable lock and interlayer connection structure |
| CN110513376A (en) * | 2019-06-24 | 2019-11-29 | 上海空间推进研究所 | A kind of rapid abutting joint retaining mechanism |
| CN110735839A (en) * | 2019-09-29 | 2020-01-31 | 贵州航天精工制造有限公司 | sealed force-bearing lock |
| CN111734732A (en) * | 2020-06-18 | 2020-10-02 | 天津爱思达新材料科技有限公司 | Self-locking base of quick connecting mechanism |
| CN114458676A (en) * | 2022-01-24 | 2022-05-10 | 佛吉亚(重庆)汽车零部件有限公司 | Nail frame for molding automotive carpet |
| CN115135899A (en) * | 2020-03-24 | 2022-09-30 | 日立安斯泰莫株式会社 | Coil spring clamp, manufacturing method of coil spring and testing method of coil spring |
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| CN103534493A (en) * | 2010-12-30 | 2014-01-22 | 宾·朱弗里·伊拉万 | Fastening device |
| CN203441910U (en) * | 2013-02-01 | 2014-02-19 | 中国航空工业集团公司西安飞机设计研究所 | Stretchable self-locking and quick-release stop pin |
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2014
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| CN2934704Y (en) * | 2006-06-29 | 2007-08-15 | 黄华道 | Lock with quick assemble and disassemble function |
| CN201836176U (en) * | 2010-09-28 | 2011-05-18 | 上海汇众汽车制造有限公司 | Electrophoresis inner cylinder of bath storage cylinder of vehicle absorber and internal expanded cock component |
| CN201908925U (en) * | 2010-12-02 | 2011-07-27 | 贵州航太精密制造有限公司 | Quick release lock used on airplane hatch cover |
| CN103534493A (en) * | 2010-12-30 | 2014-01-22 | 宾·朱弗里·伊拉万 | Fastening device |
| CN202118044U (en) * | 2011-07-08 | 2012-01-18 | 贵州航天精工制造有限公司 | Flat round head lock pin type quick-dismount lock |
| CN102359466A (en) * | 2011-09-16 | 2012-02-22 | 贵州航太精密制造有限公司 | Stopper ring used on quick-release fastener |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508373A (en) * | 2016-01-22 | 2016-04-20 | 上海三思电子工程有限公司 | Tool-free mounting device and LED display screen using same |
| CN107310712A (en) * | 2017-04-21 | 2017-11-03 | 陕西飞机工业（集团）有限公司 | A kind of pallet restraint device |
| CN107882438A (en) * | 2018-01-03 | 2018-04-06 | 北京首航科学技术开发有限公司 | Adjustable quick-detachable lock and its lock |
| CN109826856A (en) * | 2019-04-11 | 2019-05-31 | 北京首航科学技术开发有限公司 | Quick-detachable lock and interlayer connection structure |
| CN110513376A (en) * | 2019-06-24 | 2019-11-29 | 上海空间推进研究所 | A kind of rapid abutting joint retaining mechanism |
| CN110735839A (en) * | 2019-09-29 | 2020-01-31 | 贵州航天精工制造有限公司 | sealed force-bearing lock |
| CN115135899A (en) * | 2020-03-24 | 2022-09-30 | 日立安斯泰莫株式会社 | Coil spring clamp, manufacturing method of coil spring and testing method of coil spring |
| CN115135899B (en) * | 2020-03-24 | 2024-01-23 | 日立安斯泰莫株式会社 | Coil spring clamp, manufacturing method of coil spring and testing method of coil spring |
| CN111734732A (en) * | 2020-06-18 | 2020-10-02 | 天津爱思达新材料科技有限公司 | Self-locking base of quick connecting mechanism |
| CN114458676A (en) * | 2022-01-24 | 2022-05-10 | 佛吉亚(重庆)汽车零部件有限公司 | Nail frame for molding automotive carpet |
| CN114458676B (en) * | 2022-01-24 | 2023-11-21 | 佛吉亚(重庆)汽车零部件有限公司 | Nail frame for forming automobile carpet |
Also Published As
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| CN104210665B (en) | 2018-04-27 |
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