CN206350644U - Frangible biting connecions Self-locking hanging hook easy to hang - Google Patents

Abstract

The utility model " frangible biting connecions Self-locking hanging hook easy to hang " is related to opens hook in a kind of windproof, anti-accident collision in daily use.In order to overcome the closure state that existing wind-proof hook is present not lock, hangs unload inconvenient operation, it is complicated and these deficiencies can not be closed automatically, the utility model employs new technical scheme.The structure of this hook includes coupler body, sealing and lifts bar, locking device and rotating shaft；Sealing lifts bar and is hinged on coupler body, and it is sealing end, opposite side in coupler body axle side to lift end；Locking device is assemblied in sealing and lifted on bar, and its structure includes unlock piece, locking piece, back-moving spring and connector, and unlock piece, which is hinged on, to be lifted on end.Under gravity sealing lift bar rotate realize hook closure, locking device locking hook closure state；When there is uplift force to act on unlock piece, unlock piece is rotated against lifting end, and locking device unlocks state, and then locking device and sealing, which lift bar and rotate unlatching together, links up with.

Description

Frangible biting connecions Self-locking hanging hook easy to hang

Art

The utility model is related in a kind of hook used in daily life field, is especially the need for windproof, anti-accident Collide the hook of open function.

Background technology

In terms of existing wind-proof hook is mainly used in wind-proof clothes hanger, most of they suspension mouth closure state is not locked Clothing can push suspension mouth open in the wind after function, suspension mouth closure, allow hook to lose wind-shielding function；Although what is had has Lock function, but it is opened and closure needs to be divided to two actions to complete, in-convenience in use；Some suspensions mouthful are opened using lift Close, be not suitable for that, with the lift clothes airing rod of central aperture, closure can not be declined because bearing a heavy burden deformation sometimes；Some openings are opened Dynamic component (while lifting part again for clothes hanger) design, in the underface of hook, is easily covered by clothing and influences to use；Have Opening activation member design in cyclic structure, it has not been convenient to operate.

Utility model content

In order to overcome existing wind-proof hook suspension mouth closure state there is no lock function, opening activation member Position Design Unreasonable, extension unloads inconvenient operation or complex operation and can not realized closes these deficiencies automatically, and the utility model employs one Plant new technical scheme.

New technical scheme is：Frangible biting connecions Self-locking hanging hook easy to hang, its structure includes coupler body, sealing and lifts bar, locking Device and rotating shaft, the structure of locking device include unlock piece, locking piece, back-moving spring and connector (situation unlock piece, the lock having Part is determined for same part, locking piece is referred to as unlocked).Sealing lifts bar and is hinged on the coupler body of hook, and the bar can be where coupler body Plane makees certain angle rotation, and the bar is respectively sealing end in the both sides of coupler body axle and lifts end.Locking device is assemblied in sealing Lift on bar, unlock piece (or unblock locking piece) is hinged on sealing and lifts the lifting on end of bar.It is open C that hook, which lifts end, Type structure.Coupler body suspended end is outward-dipping.

The center of gravity that the difference of physique structure and component distribution makes sealing lift the component that bar and locking device are constituted is located at hook Body axle is close to the side of latch release shaft, when the external force suffered by hook only has gravity, sealing end rotated up on coupler body axial direction by Suspended end is blocked, and both constitute the hook suspension mouth of closure, and this is a process for occlusion, in gravity, the work of back-moving spring elastic force With under lower or both collective effects：1st, the locking piece of locking device can move to latched position prevent sealing lift bar Do and significantly rotate, suspension mouth closure state is locked, hanger bar (object that hook is supported in suspension mouth) is locked in Hang in mouth；2nd, unlock piece is rotated down around latch release shaft, and its lower edge, which is protruded, lifts the end segment distance of inward flange one, accurate into unblock Standby state.

When there is uplift force to act on unlock piece, unlock piece can be close to end is lifted around its rotating shaft, while driving locking Part is acted, and when unlock piece is close together with lifting end, locking piece completely disengages from latched position, and locking device and sealing lift bar Axially lift end top around coupler body together to rotate, the block piece on by coupler body is blocked, now hook suspension mouth is beaten completely Open, just can unload or be suspended to hanger bar up linking up with from hanger bar.

The beneficial effects of the utility model are：Function is strong, simple to operate, and hook relies only on gravity and can be achieved with hanging mouth Closure and locking, lock function allow hook to have capability of anti-wind well；It is continuous to realize when unlock piece lower edge lifts hook Unlock, be open and lift function；Unlock piece be located at lifts end c-type struc-ture, improve hook prevent accident collision open and Wind blows the ability that clothing opens suspension mouth.Easy to operate, applicable object is more, and it is open c-type structure to lift end, and is arranged on The dorsal part of coupler body suspended end, is difficult to be blocked by hookload thing, reduces requirement of the hook to loaded article, allows extension to unload operation all Easily；The occlusion closed manners and coupler body suspended end for hanging mouth are outward-dipping, allow hook to be easily suspended to various hanger bars On.

Brief description of the drawings

A kind of embodiments of Fig. 1, triangle friction lock frangible biting connecions Self-locking hanging hook structure chart easy to hang

Fig. 2 triangle friction locks frangible biting connecions Self-locking hanging hook easy to hang, coupler body front view

Fig. 3 triangle friction locks frangible biting connecions Self-locking hanging hook easy to hang, sealing lifts bar main view, top view

Fig. 4 triangle friction locks frangible biting connecions Self-locking hanging hook easy to hang, unlocks securing rod front view

Fig. 5 triangle friction locks frangible biting connecions Self-locking hanging hook easy to hang, structure chart when hook is unlocked, do not lifted

Fig. 6 triangle friction locks frangible biting connecions Self-locking hanging hook easy to hang, structure chart when hook lifts

The sealing of Fig. 7 plat shafts lifts bar main view, top view

Fig. 8 narrow opening axis hole coupler body front views

Fig. 9 plat shafts link up with assembly process figure

The hook assembling of Figure 10 plat shafts completes figure

The sealing of Figure 11 circular shafts lifts bar main view, top view

Figure 12 snap open axis hole coupler body front views

A kind of embodiments of Figure 13, triangle stops locking frangible biting connecions Self-locking hanging hook structure chart easy to hang

Figure 14 slide plates lock frangible biting connecions Self-locking hanging hook easy to hang, slide plate main view, top view

A kind of embodiments of Figure 15, slide plate locks frangible biting connecions Self-locking hanging hook structure chart easy to hang

Figure 16 slide plates lock frangible biting connecions Self-locking hanging hook easy to hang, trip lever front view

A kind of embodiments of Figure 17,3 link lever lockings frangible biting connecions Self-locking hanging hook structure chart easy to hang

A kind of embodiments of Figure 18,4 link lever lockings frangible biting connecions Self-locking hanging hook structure chart easy to hang

In figure, 1. coupler bodies, 2. sealings lift bar, 3. coupler body axles, 4. latch release shaft axle center and keyed end H line, 5. unblocks Axle, 6. back-moving springs, 7. inward flange hands pinch section, and 8. lift end, 9. keyed ends, 10. lock face line segment QH, 11. lock faces, 12. Keyed end H, 13. suspension mouths, 14. suspended ends, 15. sealing ends, 16. unblock securing rods, 17. wing plate hands pinch section, 18. load configurations Extended line, the 19. suspended end centers of circle, 21. wing plate hands pinch Duan Xian, 22. horizontal rays, 24. inverted T-type structures, 25. inverted U-shaped structures, 26. outward flange hand pinches section, 27. wing plates lift section, 28. wing plate gaps section, 29. inward flange gaps section, 32.U type reinforced structures, 33. a section circle center line connecting is lifted in coupler body axle axle center with wing plate, 34., which cross the anti-of coupler body axle axle center, waves projection tangent line, and 35. prevent waving prominent Rise, 36. plat shafts, 37. narrow opening axis holes, 38. circular shafts, 39. snap open axis holes, 40. coupler body cambered surfaces, 43. locking slide plates, 44. locking hole, 45. trip levers, 46. pointed projections, 47. hollow structures, 51. securing rods, 52. lock hooks, 53. tabs, 54. Jackshaft, 55. slotted holes, 57. lock-in lines, 58. restriction protrusions, 59. intermediate connecting rods.

Embodiment

【Embodiment 1】Triangle friction lock frangible biting connecions Self-locking hanging hook easy to hang

Overall structure：

The critical piece of hook：Coupler body 1, sealing lift bar 2 and unblock securing rod 16, and their structure is respectively such as Fig. 2, figure Shown in 3 and Fig. 4.As shown in figure 1, the structure of hook, which includes coupler body 1, sealing, lifts bar 2, unblock securing rod 16, coupler body axle 3, solution Lock shaft 5 and back-moving spring 6；Sealing lifts bar 2 and is hinged on by coupler body axle 3 on coupler body 1, and the bar can be made in the place plane of coupler body 1 Certain angle rotates, and the bar is respectively sealing end 15 in the both sides of coupler body axle 3 and lifts end 8；Unlock securing rod 16 and pass through unblock Axle 5, which is hinged on, to be lifted on end 8；Back-moving spring 6 is equipped with latch release shaft 5, its elastic force, which allows unlock securing rod 16 and lift, holds 8 points Open.As shown in Fig. 2 lock face 11 is 1 plane, it has two arcs of two sides respectively in the axle center different radii of off-hook body axle 3 On face.

The course of work：

As shown in figure 5, unblock securing rod 16 is hinged on by latch release shaft 5 and lifted on end 8, and lift end 8, unblock locking The section of bar 16 is respectively inverted U-shaped structure 25, inverted T-type structure 24, so sealing lifts the group that bar 2 and unblock securing rod 16 are constituted The center of gravity of part is located at coupler body axle 3 close to the side of latch release shaft 5.As shown in figure 1, when the external force suffered by hook only has gravity：1、 Sealing end 15 is rotated up around coupler body axle 3 and blocked until by suspended end 14, and both constitute the hook suspension mouth 13 of closure；2nd, in weight Under power and the collective effect of the torsion of back-moving spring 6, the keyed end 9 of unblock securing rod 16 can be rotated down until locked face 11 is kept off Firmly, both contact points are keyed end H12, now this 3 points of keyed end H12, the axle center of coupler body axle 3 and latch release shaft 5 axle center Between interconnecting line constitute a triangle, the length sum on the length both sides more other than triangle of two axial connecting lines is short More than 3mm, to improve the stability of triangle；At this moment wing plate hand pinch section 17 protrude lift 8 inward flange hands of end pinch 7 one sections of section away from From into unblock SBR.

As shown in figure 1, when hook is collided or wind is rocked, and the hanger bar in suspension mouth 13 shakes, suspension Bar generates downward active force to sealing end 15, and lifting end 8 just has the trend rotated up around coupler body axle 3, but due to now Keyed end 9 and lock face 11 are in contact condition, unblock securing rod 16 it is prevented that lifting rotating up for end 8, therefore to envelope The down force at mouthful end 15 has been transmitted to keyed end H12, due to the axle center of latch release shaft 5 and keyed end H12 line 4 with Angle≤110 ° that lock face line segment QH10 is formed in the plane of coupler body 1, so the active force that unblock securing rod 16 is passed over is only There is fraction to be converted into the thrust for promoting keyed end 9 along the upward sliding of lock face 11, be largely converted into hanging down to lock face 11 Vertical compression power, such keyed end 9 just obtains enough frictional force on lock face 11, prevent keyed end 9 along lock face 11 to It is upper to slide, allow above-mentioned triangle to turn into stable triangle, therefore keyed end 9 and the aft hook of the contact of lock face 11 suspension mouth 13 closure state is stable state, is locked, the hook after locking is opened and blowing-resistant with good impact resistant Rock unlatching ability.Because keyed end 9 and lock face 11 are directly contacted in this friction locking fashion, it is not necessary to fit clearance, So hook suspension mouth 13 does not have free gap after closing, locking between suspended end 14 and sealing end 15, closure is tight.

As shown in figure 1, suspension mouth 13 is in the hook of closed-lock state, unblock securing rod 16 is acted on when there is uplift force Lower edge when, unblock securing rod 16 will be rotated around latch release shaft 5 close to lifting end 8, and keyed end 9 and lock face 11, which depart from, to be connect Touch, hook enters releasing process, pinch section 7 when the wing plate of unblock securing rod 16 lifts section 27 and lifts the inward flange hand at end 8 and contact When, hook unblock completely, as shown in figure 5, then unblock securing rod 16 and sealing lift bar 8 together around coupler body axle 3 to lifting The top of end 8 is rotated, and the anti-projection 35 of waving on by coupler body 1 is blocked, and now hook suspension mouth 13 is opened completely, such as Fig. 6 institutes Show, now just can unload or be suspended to hanger bar up linking up with from hanger bar.

Therefore with suspension, the gravity of mouth 13 is closed this hook automatically, closure state locks and lifted automatically the work(unlocked Energy.

Modular construction feature：

As shown in Fig. 3, Fig. 4, Fig. 5, the inward flange for lifting end 8 and the lower edge for unlocking securing rod 16 are all that c-type is tied downwards Structure, opposite segments are made up of 3 sections of circular arcs；Inward flange gap section 29 and wing plate gap section 28 are the center of circle all with latch release shaft 5, and this is favourable In the stabilization for keeping its clearance distance；Wing plate hand pinches section 17 and inward flange hand, and to pinch the radian of section 7 identical, when both are close together, Lift end 8 and unblock securing rod 16 is integrally formed, wing plate hand pinches section 17 and outward flange hand pinches the arc top of section 26 relatively, forms one Waisting structure, this is conducive to raising hand to pinch stable degree and comfortableness when lifting end 8.

As shown in figure 5, the section for lifting end 8 is inverted U-shaped structure 25, this is conducive to dust-proof；Unblock securing rod 16 section is Inverted T-type structure 24, this is conducive to comfortableness during raising hand enhancing hook and prevents that instrument insertion is carried during instrument enhancing hook In the inverted U groove of origin or beginning 8；T, the structure of falling U are all conducive to improving the mechanical strength of component, and both be combined with is lifted beneficial to upper The transmission of power and raising job stability.

If as shown in fig. 6, coupler body 1 occurs axially to wave and can lift bar 2 at the two ends of coupler body axle 3 to sealing when hook lifts Side plate produce very big distortion power, therefore lift the centre position of bar 2 in sealing, a segment structure be provided with around coupler body axle 3 Biside plate is connected, U-shaped reinforced structure 32 is formed.

Prevent waving projection 35 as shown in fig. 6, setting on coupler body 1, end 8 is lifted after hook is raised can lean against anti-wave In projection 35, wave, caused not to hook is hung for a long time back and forth around coupler body axle 3 so as to prevent hook to be raised rear coupler body 1 Just.

In order to reduce the inclined degree of coupler body 1 when hook is mentioned by lifting end 8, this hook takes following technology to arrange Apply：1st, as shown in figure 5, reducing coupler body axle 3 and the horizontal range of hook center of gravity, the axis hole ring of coupler body axle 3 to coupler body load configuration Distance≤10mm of extended line 18；Increase coupler body axle 3 and the vertical distance of hook center of gravity, coupler body load configuration extended line 18 is vertical When downwards, the level height in the axle center of coupler body axle 3 is less than the level height≤10mm in the suspended end center of circle 19；2nd, as shown in fig. 6, hook Suspension unlocks in the circular arc of the lower edge of securing rod 16 to lift section 27 when mouth 13 is fully opened, load configuration extended line 18 is vertical Level height highest；" the anti-projection tangent line 34 " that waves in the axle center of coupler body axle 3 is crossed with " lifting section 27 with wing plate and justifying in the axle center of coupler body axle 3 Heart line 33 " forms 45 ° of the angle=at angle；3rd, wing plate lifts in section 27 arc radius in the range of 4-6mm.

As shown in figure 5, unblock securing rod 16 unlocks, hangs mouth 13 in closure state, coupler body load configuration extended line 18 When straight down, wing plate hand pinches 100 ° of the angle=that section string 21 is formed with its lower extreme point horizontal rays 22, in favor of unblock The center of gravity of securing rod 16 is accelerated from lifting the speed that is ejected in end 8 away from latch release shaft 3.

As shown in fig. 6, the suspended end 14 of hook is outward-dipping；When hook is raised, it hangs mouth 13 and opened completely, hangs End 15 is retracted to the left, hook is easily suspended in the hanger bar of hole shape, such as lift clothes airing rod.

Tape spool is linked up with：

When manufacturing hook using the small material of modulus of elasticity (such as plastics), the hook that sealing lifts the tape spool of bar 2 can be manufactured.

1st, plat shaft is linked up with.Sealing with plat shaft 36 lift the coupler body 1 of bar 2 and narrow opening axis hole 37 respectively as Fig. 7, Shown in Fig. 8, their size has such relation：The parallel open of the flat face thickness ＜ narrow openings axis hole 37 of plat shaft 36 is wide Spend the diameter of ＜ plat shaft arc diameter ＜ narrow openings axis hole 37.As shown in figure 9, sealing is lifted the sealing end 15 of bar 2 from suspension End 14 is nested into the narrow opening axis hole of coupler body 1 below 37, sealing end 15 and the twisting of suspended end 14 is staggered, rotary seal lifts bar 2 is parallel with the plane of the opening of narrow opening axis hole 37 until the plane of plat shaft 36, and plat shaft 36 is then promoted axis hole, lifts end 8 are rotated up, and stop stagger sealing end 15 and suspended end 14, and assembling is completed, as shown in Figure 10.

2nd, buckle axle is linked up with.Sealing with circular shaft 38 lifts the coupler body 1 of bar 2 and snap open axis hole 39 respectively as schemed 11st, there are two kicks shown in Figure 12, in axis hole, the diameter of the distance between kick ＜ circular shafts 38, the push-in opening of circular shaft 38 The inside is just buckled in after axis hole 39, the operation of its assembling process is identical with above-mentioned plat shaft hook.

【Embodiment 2】Triangle stops locking frangible biting connecions Self-locking hanging hook knot easy to hang

As shown in figure 13, the structure of hook includes coupler body 1, sealing and lifts bar 2, unblock securing rod 16, coupler body axle 3, unblock Axle 5 and back-moving spring 6；It is to hang with the difference of embodiment 1 " triangle friction lock frangible biting connecions Self-locking hanging hook easy to hang " Keyed end 9 is not fallen within lock face 11 when mouth 13 is closed, but is fallen in coupler body cambered surface 40, and its contact point is apart from lock face 11 There is a segment distance.

When hook is rocked by accident collision or wind, and the hanger bar in suspension mouth 13 shakes, hanger bar is to envelope Mouthful end 15 generates downward active force, lifts end 8 and will be rotated up around coupler body axle 3 and is kept off until keyed end 9 is locked face 11 Firmly, the contact point of keyed end 9 and lock face 11 is exactly keyed end H12, now keyed end H12, the axle center of coupler body axle 3 and latch release shaft Interconnecting line between this 3 points of 5 axle center has equally constituted a triangle；The axle center of latch release shaft 5 and keyed end H12 line With requirement and the embodiment 1 of the size requirements at the lock face line segment QH10 angles formed in coupler body plane, and the triangle length of side It is identical.

The process that the hook is closed and locked automatically under gravity, unblock and opening process under uplift force effect It is all identical with embodiment 1.

【Embodiment 3】Slide plate locks frangible biting connecions Self-locking hanging hook easy to hang

As shown in figure 15, the structure of hook includes coupler body 1, sealing and lifts bar 2, trip lever 45, locking slide plate 43, coupler body axle 3rd, latch release shaft 5 and back-moving spring 6；Back-moving spring 6 and locking slide plate 43 are arranged on and lifted in end 8, and locking slide plate 43 is on slide rail Slide；As shown in figure 14, locking slide plate 43 is hollow structure 47；As shown in figure 16, there are pointed projections 46 one end of trip lever 45, It is inserted in the hollow structure 47 of locking slide plate 43 all the time, promotes locking slide plate 43 to slide, as shown in figure 15.

In the presence of only gravity, hook is as shown in figure 15, and suspension mouth 13 is closed, and back-moving spring 6 promotes locking slide plate In the locking hole 44 of 43 insertion coupler bodies 1, hook enters closed-lock state；While promotion trip lever 45 is rotated down, trip lever 45 lower edge protrudes the segment distance of inward flange one for lifting end 8, into unblock SBR.

When having the uplift force to act on the lower edge of trip lever 45, trip lever 45 rotates up, locks slide plate 43 to spring terminal Retraction, back-moving spring 6 are oppressed shortening, and when the lower edge of trip lever 45 is close together with the inward flange for lifting end 8, locking is slided Plate 43 is fully drawn out locking hole 44, and hook unblock completely, sealing lifts bar 2 and trip lever 45 together around coupler body axle 3 to lifting end 8 Top rotates, and is waved projection 35 by anti-until lifting end 8 and is blocked, now hook suspension mouth

13 open completely, and hook enters opening.

【Embodiment 4】3 link lever lockings frangible biting connecions Self-locking hanging hook easy to hang

As shown in figure 17, the structure of hook includes coupler body 1, sealing and lifts bar 2, securing rod 51, trip lever 45, back-moving spring 6 and rotating shaft；Trip lever 45, which is hinged on, to be lifted on end 8, and securing rod 51 is hinged on sealing end 15, and trip lever 45 is with jackshaft 54 One end that one end and securing rod 51 open slotted hole 55 is hinged, and sealing lifts bar 2, trip lever 45 and the three's structure of securing rod 51 Into 3 bar linkage structures；Slotted hole can also be opened on trip lever 45, jackshaft is installed in securing rod 51, then them It is hinged；There is lock hook 52 on securing rod 51, there is tab 53 on coupler body 1.

Hook is in only Action of Gravity Field, because the center of gravity of 3 bar linkage structures is located at coupler body axle 3 close to the one of back-moving spring 6 Side, sealing end 15 can be rotated up around coupler body axle 3 and blocked until by suspended end 14, and both constitute the hook suspension mouth 13 of closure； Trip lever 45, securing rod 51 can be rotated down in the effect of gravity and the elastic force of back-moving spring 6, until jackshaft 54 is by slotted hole 55 Edge block, now the distance of coupler body axle 3 is arrived in the tip of lock hook 52 to coupler body axle 3 apart from the tip of ＞ coupler bodies tab 53, this Shi Ruguo hanger bars promote sealing end 15 to be rotated down, and tab 53 will block the rotation of lock hook 52, prevent suspension mouth 13 Ground is further opened, and locks the closure state of hook.

When there is uplift force to act on the lower edge of trip lever 45, trip lever 45 is rotated up, and jackshaft 54 is with locking Bar 51 is rotated up, and when the lower edge of trip lever 45 is close together with the inward flange for lifting end 8, coupler body is arrived at the tip of lock hook 52 Axle 3 arrives the distance of coupler body axle 3 apart from the tip of 1 tab of ＜ coupler bodies 53, and hook unblock completely, sealing lifts bar 2, the and of trip lever 45 Securing rod 51 rotates around coupler body axle 3 to end top is lifted together, stops until lifting when end 8 is blocked by the lock-in line 57 of coupler body 1, Now suspension mouth 13 is opened completely, and hook enters opening.

【Embodiment 5】4 link lever lockings frangible biting connecions Self-locking hanging hook easy to hang

As shown in figure 18, the structure of hook includes coupler body 1, sealing and lifts bar 2, securing rod 51, trip lever 45, intermediate connecting rod 59th, back-moving spring 6 and rotating shaft；Trip lever 45, which is hinged on, to be lifted on end 8, and securing rod 51 is hinged on sealing end 15, trip lever 45 Respectively there is one end to be hinged on intermediate connecting rod 59 with securing rod 51, sealing lifts bar 2, securing rod 51, trip lever 45 and intermediate connecting rod 59 constitute 4 bar linkage structures；There is lock hook 52 on securing rod 51, there is tab 53 on coupler body 1.Limit on sealing end 15 The effect of position projection 58 is exactly the swing angle for limiting securing rod 51, so as to limit by securing rod 51, trip lever 45 and centre The scope of activities for the locking device that connecting rod 59 is constituted.

Link up with the course of work in only Action of Gravity Field and the course of work under uplift force effect, and the phase of embodiment 4 Together, the hook equally have suspension mouth close automatically entirely, closure state lock and lift automatically the function of unlocking.

Claims (10)

1. a kind of frangible biting connecions Self-locking hanging hook easy to hang, its structure includes coupler body (1), sealing and lifts bar (2) and rotating shaft, sealing is carried Play bar (2) to be hinged on the coupler body of hook (1), the bar can make certain angle rotation in plane where coupler body (1), and the bar is in coupler body The both sides of axle (3) are respectively to lift end (8) and sealing end (15), and sealing end (15) and coupler body suspended end (14) closure constitute hook Mouth (13) is hung, it is characterized in that：Lift bar (2) in sealing and be equipped with locking device, the structure of locking device includes unlock piece, lock Determine part, connector and back-moving spring (6)；Unlock piece, which is hinged on, to be lifted on end (8)；The difference of physique structure and component distribution makes envelope The center of gravity that mouth lifts the component that bar (2) and locking device are constituted is located at coupler body axle (3) close to the side of latch release shaft (5)；Work as hook When suffered external force only has gravity, sealing end (15) is rotated up around coupler body axle (3) until being blocked by suspended end (14), both structures Into the hook suspension mouth (13) of closure, in the presence of gravity, back-moving spring (6) elastic force or under both collective effects： 1st, locking piece, which moves to latched position and prevents sealing from lifting bar (2) and do, is significantly rotated, and suspension mouth (13) closure state is locked； 2nd, unlock piece is rotated down around latch release shaft (5), and its lower edge, which is protruded, lifts the segment distance of end (8) inward flange one, prepares into unblock State；When there is uplift force to act on unlock piece, unlock piece is close to end (8) is lifted around latch release shaft (5), while driving locking Part is acted, and when unlock piece is close together with lifting end (8), locking piece completely disengages from latched position, and locking device and sealing are carried Play bar (2) to rotate above end (8) to lifting around coupler body axle (3) together, the anti-wobble-member on by coupler body (1) stops when blocking Only, now hook suspension mouth (13) is opened completely.

2. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：The structure of locking device includes solution Securing rod (16), latch release shaft (5) and back-moving spring (6) are locked, back-moving spring (6) is selectable unit；Coupler body has lock face on (1) (11), it is 1 plane, it there are two sides respectively in the cambered surface of off-hook body axle (3) axle center different radii；Hook suspension mouth (13) The keyed end (9) and lock face (11) that securing rod (16) is unlocked during closure are contacted with keyed end H (12), can also be contacted with coupler body Cambered surface (40)；The axle center of latch release shaft (5) and keyed end H (12) line (4) are with lock face line segment QH (10) in coupler body plane institute Angle≤110 ° of formation；Mutually interconnection between this 3 points of keyed end H (12), the axle center of coupler body axle (3) and latch release shaft (5) axle center Line constitutes a triangle, short more than the 3mm of length sum on the length both sides more other than triangle of two axial connecting lines.

3. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：The structure of locking device includes solution Locking bar (45), locking slide plate (43), back-moving spring (6) and latch release shaft (5)；Back-moving spring (6) and locking slide plate (43) are arranged on Lift end (8) inner, locking slide plate (43) is slided on slide rail；There are pointed projections (46) trip lever (45) one end, and it is inserted all the time It is inner in the hollow structure (47) of locking slide plate (43), promote locking slide plate (43) to slide；Have on coupler body (1) for locking slide plate (43) The locking hole (44) of insertion.

4. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：The structure of locking device includes lock Fixed pole (51), trip lever (45), back-moving spring (6) and rotating shaft；Trip lever (45), which is hinged on, to be lifted on end (8), securing rod (51) It is hinged on sealing end (15), the one end of trip lever (45) with jackshaft (54) and securing rod (51) open one end of slotted hole (55) Hinged, sealing lifts bar (2), trip lever (45) and securing rod (51) three and constitutes 3 bar linkage structures；Can also Slotted hole is opened on trip lever (45), jackshaft is installed in securing rod (51), it is then that they are hinged；Securing rod (51) On have lock hook (52), have tab (53) on coupler body (1).

5. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：The structure of locking device includes lock Fixed pole (51), trip lever (45), intermediate connecting rod (59), back-moving spring (6) and rotating shaft；Trip lever (45), which is hinged on, lifts end (8) On, securing rod (51) is hinged on sealing end (15), and trip lever (45) and securing rod (51) respectively have one end to be hinged on intermediate connecting rod (59) on, sealing lifts bar (2), securing rod (51), trip lever (45) and intermediate connecting rod (59) and constitutes 4 bar linkage structures； There is lock hook (52) on securing rod (51), there is tab (53) on coupler body (1)；Limited location projection (58) on sealing end (15).

6. the frangible biting connecions Self-locking hanging hook easy to hang according to Claims 2 or 3, is hung using the small material manufacture of modulus of elasticity During hook, it is characterized in that：Sealing with plat shaft (36) lifts the coupler body (1) of bar (2) and narrow opening axis hole (37), they big It is small to have such relation：The parallel open width ＜ plat shafts circle of the flat face thickness ＜ narrow openings axis hole (37) of plat shaft (36) Arc dia ＜ narrow openings axis hole (37) diameter；Sealing with circular shaft (38) lifts the hook of bar (2) and snap open axis hole (39) There are two kicks in body (1), axis hole, the diameter of the distance between kick ＜ circular shafts 38.

7. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：It is U to lift the section at end (8) Type structure (25), unblock securing rod (16) section are inverted T-type structure (24).

8. frangible biting connecions Self-locking hanging hook easy to hang according to claim 1, it is characterized in that：Locking device unblock, suspension mouth (13) when being in closure state, coupler body load configuration extended line (18) straight down, wing plate hand pinches Duan Xian (21) and its lower end 100 ° of the angle=that point horizontal rays (22) are formed.

9. the frangible biting connecions Self-locking hanging hook easy to hang according to Claims 2 or 3, it is characterized in that：Sealing lifts in bar (2) Between position, around coupler body axle (3) be provided with one section of U-shaped reinforced structure (32)；Unlock piece wing plate hand pinches section (17) and lifts end (8) When inward flange hand is pinched section (7) and is close together, wing plate hand pinches section (17) and outward flange hand to pinch section (26) arc top relative, form waisting knot Structure；Have on coupler body and prevent waving projection (35)；Lift end (8) inward flange and unblock securing rod (16) lower edge opposite segments by 3 sections of circular arc compositions, inward flange gap section (29) and wing plate gap section (28) are all with latch release shaft (5) for the center of circle；The axle of coupler body axle (3) Distance≤10mm of the orifice ring to coupler body load configuration extended line (18)；Coupler body load configuration extended line (18) straight down when, hook The level height in body axle (3) axle center is less than the level height≤10mm of the suspended end center of circle (19)；Unlock piece wing plate lifts section (27) Interior arc radius is in the range of 4-6mm.

10. the frangible biting connecions Self-locking hanging hook easy to hang according to Claims 2 or 3, it is characterized in that：Hook suspension mouth (13) to Under open completely, when load configuration extended line (18) is vertical, section (27) level lifted with wing plate in the circular arc of unlock piece lower edge Height highest, " cross the anti-of coupler body axle (3) axle center and wave projection tangent line (34) " with wing plate with " lifting section in coupler body axle (3) axle center (27) circle center line connecting (33) " form 45 ° of the angle=at angle.