CN104314954B - A kind of slip-off preventingconnection and fastening structure - Google Patents

A kind of slip-off preventingconnection and fastening structure Download PDF

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Publication number
CN104314954B
CN104314954B CN201410407568.5A CN201410407568A CN104314954B CN 104314954 B CN104314954 B CN 104314954B CN 201410407568 A CN201410407568 A CN 201410407568A CN 104314954 B CN104314954 B CN 104314954B
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CN
China
Prior art keywords
screw rod
hole
spanner
screw
lock core
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Application number
CN201410407568.5A
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Chinese (zh)
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CN104314954A (en
Inventor
田大可
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AVIC Shenyang Engine Design and Research Institute
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AVIC Shenyang Engine Design and Research Institute
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Priority to CN201410407568.5A priority Critical patent/CN104314954B/en
Publication of CN104314954A publication Critical patent/CN104314954A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06Specially-shaped heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts
    • F16B35/044Specially-shaped ends
    • F16B35/045Specially-shaped ends for retention or rotation by a tool

Abstract

A kind of slip-off preventingconnection and fastening structure, is related to a kind of mechanical structure, more particularly to a kind of connection, fastener and its with applying mechanically spanner structure.It is characterised in that it includes outer-hexagonal hook bolt and spanner, outer-hexagonal hook bolt is radially provided with a through hole at nut, and the both ends of through hole carry oblique chamfering;Spanner includes screw rod, handle, lock core, spring, baffle plate and screw;The handle is made up of a studs and two nuts, and studs passes through the through hole of screw rod one end, is formed and is slidably connected with screw rod, the both ends of studs are connected with nut respectively.Outer-hexagonal hook bolt of the present invention can carry out adding work realization on the basis of existing bolt, and technique is simple, cost is low;Outer-hexagonal hook bolt to be removed is clamped by the lock core that latch functions are provided with screw rod fastening end, is effectively prevented the danger that bolt comes off after removal, improves the reliability of dismounting.

Description

A kind of slip-off preventingconnection and fastening structure
Technical field
The present invention relates to a kind of mechanical structure, more particularly to a kind of connection, fastener and its with applying mechanically spanner structure.
Background technology
Outer-hexagonal hook bolt is connection and a kind of typical machine components in fastener, is widely used in producing and lives Various aspects.The large complicated mechanical system such as aero-engine, numerical control machining center is all the important application of outer-hexagonal hook bolt Object, but because such mechanical system structure is complicated, volume is big, when carrying out routinely disassembling inspection to it, often in the presence of some Angular position is special, human hand is difficult to touch the bolt reached, and the special bolt in these positions is easy to come off and fall during disassembling Enter inside mechanical system, and be not easy to take out, the bolt fallen into can bring hidden danger even more tight to the normal work of mechanical system The influence of weight.Usually used outer-hexagonal hook bolt at nut in addition to for dismounting hexagonal prism shape, without it is other can profit With structure, and it is common can only ensure smoothly to be dismantled with applying mechanically spanner, without possessing clamping, locking function, it is difficult to by bolt It is subsidiary to take out.For so a kind of more special dismounting situation, lack a kind of more effective connector and its supporting at present Use spanner structure.
The content of the invention
The purpose of the present invention is that the dismounting situation of taking-up is not easy to for above-mentioned a kind of connector, proposes that one kind can be effective Prevent the outer-hexagonal hook bolt that comes off and its with spanner structure is applied mechanically, the structure has easy to use, compact, connection reliable The advantages that.
The technical scheme is that a kind of slip-off preventingconnection and fastening structure, it is characterised in that including outer-hexagonal hook bolt And spanner, outer-hexagonal hook bolt are radially provided with a through hole at nut, the both ends of through hole carry oblique chamfering;Spanner includes The structures such as screw rod, handle, lock core, spring, baffle plate, screw;The handle is made up of a studs and two nuts, double end Stud passes through the through hole of screw rod one end, is formed and is slidably connected with screw rod, the both ends of studs are connected with nut respectively;The spiral shell The other end of bar is provided with interior hexangle type blind hole, blind round hole is provided with interior hexangle type blind hole sidewall symmetry position, in screw rod bottom There are semi-cylindrical staged notch and four screwed holes in end face;Lock core includes dome-type end cap and lock pillar, and lock pillar is semicolumn Shape thin plate, end cap are hemisphere structure;One end of the spring is penetrated in the blind round hole of screw rod, and supports the end face, another End supports the lock pillar of lock core;The lock core loads in the semi-cylindrical staged notch of screw rod, is formed and is slidably connected between screw rod; Cover plate is that gabarit is circular, and the thin plate of Intermediate Gray hexangle type through hole, shape of through holes is consistent with hexangle type blind hole in screw rod, The periphery of hexangle type through hole is provided with four unthreaded holes;The screw is used for connecting screw and cover plate.
The beneficial effects of the invention are as follows:First, its outer-hexagonal hook bolt of slip-off preventingconnection and fastening structure of the invention can be Carry out adding work realization on the basis of existing bolt, technique is simple, cost is low;2nd, slip-off preventingconnection and fastening structure of the invention Its spanner is clamped outer-hexagonal hook bolt to be removed by being provided with the lock core of latch functions in screw rod fastening end, effective anti- Stop the danger that bolt comes off after removal, improve the reliability of dismounting;3rd, slip-off preventingconnection and fastening structure of the invention Its spanner only relies on Spring driving and can complete to treat the clamping of demounting bolt, simple in construction, and does not need the extra energy Supply;4th, its spanner of the slip-off preventingconnection and fastening structure of the present invention is in use directly according to the work of common spanner Mode use, retaining mechanism automatically clamp bolt, improve the operating efficiency of assembly and disassembly;5th, anti-dropout of the invention connects Connect and be applicable not only to the large complicated mechanical system such as aero-engine, numerical control machining center with fastening structure, apply also for soil Situations such as building the dismounting of engineering open air high-altitude connector.
Brief description of the drawings
Fig. 1 is the slip-off preventingconnection and fastening structure front view of the present invention.
Fig. 2 is Fig. 1 partial enlarged drawing.
Fig. 3 is outer-hexagonal hook bolt structural representation.
Fig. 4 is spanner structure schematic diagram.
Fig. 5 is baffle arrangement schematic diagram.
Fig. 6 is Fig. 4 A-A to section view locking state schematic diagram.
Fig. 7 is Fig. 4 A-A to section view released state schematic diagram.
Fig. 8 be Fig. 4 A-A to section view without lock core and spring view.
Fig. 9 is lock core structure schematic diagram.
Figure 10 is spanner locking end structural representation.
Embodiment
Below by specific embodiment and with reference to accompanying drawing, the present invention is described in further detail.
Embodiment one:Illustrate the embodiment of the present invention, embodiment with reference to Fig. 1, Fig. 2, Fig. 4~Figure 10 With apply mechanically spanner 9 include screw rod 2, handle 10, lock core 5, spring 6, baffle plate 7, screw 8;The handle 10 is by a double end spiral shell Post 3 and two nuts 4 form, and studs 3 passes through the through hole of the one end of screw rod 2, are formed and are slidably connected with screw rod 2, studs 3 Both ends be connected respectively with nut 4;The other end of the screw rod 2 is provided with interior hexangle type blind hole, in interior hexangle type blind hole side wall pair Claim position to be provided with blind round hole, have semi-cylindrical staged notch and four screwed holes in the bottom end face of screw rod 2;Lock core 5 wraps Dome-type end cap 11 and lock pillar 12 are included, lock pillar 12 is semi-cylindrical thin plate, and end cap 11 is hemisphere structure;The one of the spring 6 End is penetrated in the blind round hole of screw rod 2, and supports the end face, and the other end supports the lock pillar 12 of lock core 5;The lock core 5 loads spiral shell In the semi-cylindrical staged notch of bar 2, formed and be slidably connected between screw rod 2;The cover plate 7 is that gabarit is circular, Intermediate Gray The thin plate of hexangle type through hole, shape of through holes are consistent with hexangle type blind hole in screw rod 2, and four are provided with the periphery of hexangle type through hole Individual unthreaded hole;The screw 8 is used for connecting screw 2 and cover plate 7.At work, lock core 5 is first for this outer-hexagonal hook bolt spanner 9 Inside the nut press-in screw rod 2 of outer-hexagonal hook bolt 1, when lock core 5 enters in the through hole of outer-hexagonal hook bolt 1, spring 6 will Lock core 5 ejects, and now lock core 5 clamps outer-hexagonal hook bolt 1, and screw rod 2 normally unscrews outer-hexagonal hook bolt 1, treats outer-hexagonal head spiral shell When the screw thread of bolt 1 screws out from connected piece completely, spanner 9 is withdrawn, outer-hexagonal hook bolt 1 is taken out with spanner 9.
Embodiment two:Illustrate the embodiment of the present invention, the outer-hexagonal of embodiment with reference to Fig. 1 and Fig. 3 Hook bolt 1 is provided with a through hole at nut, and the both ends of through hole carry oblique chamfering, outer-hexagonal hook bolt 1 is unscrewed using spanner 9 When, outer-hexagonal hook bolt 1 makes the lock core 5 of spanner 9 enter in the nut of outer-hexagonal hook bolt 1 under the guiding of oblique chamfering, this When, lock core 5 clamps outer-hexagonal hook bolt 1, and the normal work of spanner 9 can take out outer-hexagonal hook bolt 1, slightly be used after taking-up Power, you can separate spanner 9 and outer-hexagonal hook bolt 1.The process screwed is similar with unscrewing process, will be outer with spanner 9 before screwing Hexagon-headed bolt 1 clamps, and after outer-hexagonal hook bolt 1 is completely screwed into connected piece, pulls spanner 9, you can separate both.

Claims (1)

1. a kind of slip-off preventingconnection and fastening structure, it is characterised in that including outer-hexagonal hook bolt and spanner, outer-hexagonal hook bolt A through hole radially is provided with nut, the both ends of through hole carry oblique chamfering;Spanner includes screw rod, handle, lock core, bullet Spring, baffle plate and screw;
The handle is made up of a studs and two nuts, and studs passes through the through hole of screw rod one end, with screw shaped Into being slidably connected, the both ends of studs are connected with nut respectively;
The other end of the screw rod is provided with interior hexangle type blind hole, and blind round hole is provided with interior hexangle type blind hole sidewall symmetry position, There are semi-cylindrical staged notch and four screwed holes in screw rod bottom end face;Lock core includes dome-type end cap and lock pillar, lock Post is semi-cylindrical thin plate, and end cap is hemisphere structure;
One end of the spring is penetrated in the blind round hole of screw rod, and supports the end face, and the other end supports the lock pillar of lock core;
The lock core loads in the semi-cylindrical staged notch of screw rod, is formed and is slidably connected between screw rod;
Cover plate is that gabarit is circular, and the thin plate of Intermediate Gray hexangle type through hole, shape of through holes keeps one with hexangle type blind hole in screw rod Cause, four unthreaded holes are provided with the periphery of hexangle type through hole;
The screw is used for connecting screw and cover plate.
CN201410407568.5A 2014-08-15 2014-08-15 A kind of slip-off preventingconnection and fastening structure Active CN104314954B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410407568.5A CN104314954B (en) 2014-08-15 2014-08-15 A kind of slip-off preventingconnection and fastening structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410407568.5A CN104314954B (en) 2014-08-15 2014-08-15 A kind of slip-off preventingconnection and fastening structure

Publications (2)

Publication Number Publication Date
CN104314954A CN104314954A (en) 2015-01-28
CN104314954B true CN104314954B (en) 2017-12-12

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107639582B (en) * 2017-09-26 2019-05-07 国家电网公司 Screwdriver auxiliary tool
CN107642535A (en) * 2017-11-07 2018-01-30 陈小龙 The mechanical or for building connecting bolt of fast and easy connection
CN107654470A (en) * 2017-11-07 2018-02-02 陈小龙 Building or machinery bolt
CN109746852B (en) * 2017-11-07 2021-01-12 陈怡富 Spanner structure
CN108644221B (en) * 2018-05-08 2020-10-27 东莞市华锦礼品有限公司 Anti-drop screw
CN109139659A (en) * 2018-09-26 2019-01-04 嘉善县第二实验小学 A kind of anti-loosening bolt part

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203459U (en) * 1987-07-14 1988-10-19 地方国营盖县锅炉辅机厂 Spanner for double-head screw bolt
IT1271504B (en) * 1993-10-01 1997-05-30 Utensilerie Ass Spa Socket or socket wrench with means for holding the fixing element to be operated
US20060236822A1 (en) * 2005-04-26 2006-10-26 Nish Jeffery L Threaded member driver with retention system
DE202011109978U1 (en) * 2010-05-26 2012-08-13 Bd-Werkzeugtechnik Ag rotation key
CN201970236U (en) * 2010-10-18 2011-09-14 杨鸿飞 Multifunctional wrench
US20130081521A1 (en) * 2011-09-30 2013-04-04 Shyh Ming Wang Close fitting structure of sleeve tool
CN202742265U (en) * 2012-07-24 2013-02-20 杭州三园工具有限公司 Socket spanner

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