CN206297725U - Kuai Zhe mechanisms and unmanned plane - Google Patents

Abstract

The utility model discloses a kind of Kuai Zhe mechanisms and unmanned plane.The mounting structure of the Kuai Zhe mechanisms includes two side plates, and each side plate includes body, the first extension and hook；Attachment structure is articulated between two side plates by jointed shaft, and attachment structure is provided with strip through-hole；Locking mechanism includes check lock lever and elastic component, and when elastic component occurs elastic deformation, check lock lever can be moved on the length direction of strip through-hole；Attachment structure can be rotated around jointed shaft, so that attachment structure is changed between locking state and folded state, after attachment structure is in locking state, the end of check lock lever is snapped in hook, elastic component is in part and recovers elastically-deformable state, after attachment structure is in folded state, the end of check lock lever departs from hook.The Kuai Zhe mechanisms that the utility model is provided lift flight safety by way of being hinged to realize horn fast folding and be able to ensure that the stability of the state of being hinged.

Description

Kuai Zhe mechanisms and unmanned plane

Technical field

The utility model is related to unmanned air vehicle technique field, more particularly to a kind of Kuai Zhe mechanisms and unmanned plane.

Background technology

Unmanned plane is the not manned aircraft manipulated using radio robot and the presetting apparatus provided for oneself, extensively Be applied to dual-use field.The species of unmanned plane is various, mainly includes fixed-wing unmanned plane, flapping wing unmanned plane and many rotations Wing unmanned plane etc..Because multi-rotor unmanned aerial vehicle manipulation is simple, reliability is high, and do not need runway just can with VTOL, and Can be hovered in the air after taking off, relative to fixed-wing unmanned plane and flapping wing unmanned plane, multi-rotor unmanned aerial vehicle is equal in every field It is widely applied.

Multi-rotor unmanned aerial vehicle generally include be located at unmanned plane center body and body connection multiple horns and The motor and rotor of each horn end are arranged at, wherein, the horn of multi-rotor unmanned aerial vehicle is generally more long, takes up room big, not side Just receive, place transport difficult, thus, some fold mechanisms are generally used in the prior art, in storage and transportation, will Horn is folded with respect to body, to reduce volume, facilitates accumulating.

Chinese patent 201521123780.5 discloses a kind of horn and folds fast folded structure, as shown in figure 1, this fast folded structure Including bottom panel part 1 ', component 2 ' and intermediate connector 3 ' are drawn, bottom panel part 1 ' draws component 2 ' for being fixedly connected horn For being fixedly connected body, intermediate connector 3 ' is for connecting bottom panel part and drawing component.Wherein, bottom panel part 1 ' and drawing Component 2 ', drawing component 2 ' are fixed and are connected by the way of hinge with intermediate connector 3 ', are stored and are transported in unmanned plane During defeated, horn can be folded, reach the purpose for facilitating accumulating.

But, above-mentioned each pin joint is not provided with locking the locking device of the state of being hinged, thus, in unmanned plane during flying During, above-mentioned each pin joint be hinged state can due to the vibration of unmanned plane body and horn unstable, Jin Erying Ring flight safety.

It is hinged that state stability is poor for the fast folded structure of horn present in prior art, influences the technology of flight safety Problem, not yet proposes effective solution at present.

Utility model content

The purpose of this utility model is to provide a kind of Kuai Zhe mechanisms and unmanned plane, realizes that horn is fast with by way of being hinged Speed is folded and is able to ensure that the stability of the state of being hinged, and lifts flight safety.

To achieve these goals, the utility model provides a kind of Kuai Zhe mechanisms.

The Kuai Zhe mechanisms include：Mounting structure, attachment structure and locking mechanism, wherein, mounting structure includes be arrangeding in parallel Two side plates, each side plate includes the first extension for being connected with body of body and is connected with the first extension respectively Hook；Attachment structure is articulated between two side plates by jointed shaft, on the axially in parallel direction with jointed shaft, connection Structure setting has strip through-hole；Locking mechanism includes the check lock lever and elastic component that are arranged in strip through-hole, the two ends of check lock lever Portion is stretched out outside strip through-hole, and attachment structure is fixed in one end of elastic component, and the other end is used to support check lock lever, elastic component to occur During elastic deformation, check lock lever can be moved on the length direction of strip through-hole；Attachment structure can be rotated around jointed shaft, so that Attachment structure is changed between locking state and folded state, after attachment structure is in locking state, the end card of check lock lever Enter in hook, elastic component is in part and recovers elastically-deformable state, after attachment structure is in folded state, the end of check lock lever Portion departs from hook.

Further, hook includes top and the first sidepiece and the second sidepiece that are connected with top, the first sidepiece and Second sidepiece is oppositely arranged, and the inwall of the first sidepiece is respectively provided with the contact point being in contact with check lock lever with the inwall of the second sidepiece, The distance between the inwall of the first sidepiece and inwall of the second sidepiece are gradually reduced on the direction that check lock lever enters hook, and first Diameter of the minimum range less than check lock lever between the inwall of the inwall of sidepiece and the second sidepiece, the inwall of the first sidepiece and second Diameter of the ultimate range more than check lock lever between the inwall of sidepiece.

Further, the inwall of the inwall of the first sidepiece and/or the second sidepiece is inclined-plane or cambered surface.

Further, the first sidepiece is connected with the first extension, the inwall of the first sidepiece, the inwall of the first extension and Strip through-hole side inwall is in the same plane, and the inwall of the second sidepiece is inclined-plane or cambered surface.

Further, the inwall at top is cambered surface.

Further, relative with the inwall of the second sidepiece, hook outer surface is to incline to the direction near the first sidepiece Oblique inclined-plane.

Further, elastic component is spring, is correspondingly arranged on limited impression, two on the both sides inwall of strip through-hole respectively Ultimate range between limited impression is equal to the external diameter of spring, and when check lock lever is moved in strip through-hole, spring is spacing along two There is elastic deformation in groove.

Further, on the length direction of strip through-hole, attachment structure is additionally provided with spacing with strip through-hole insertion Mounting hole a, part for elastic component is fixed in limit installation hole.

Further, mounting structure also includes the base plate and the back plate that are respectively connected with two side plates, two side plates, base plates The space for accommodating attachment structure is surrounded with back plate, the first extension is connected with back plate, each side plate also including be arranged at away from The second extension that hook side is connected with body, the second extension is identical with the bearing of trend of the first extension, each side Plate is provided with the first hinge hole near the position of the second extension, and the bottom of attachment structure is provided with corresponding with the first hinge hole The second hinge hole, jointed shaft through the first hinge hole with the second hinge hole so that attachment structure is hinged with two side plates, be hinged Axle be arranged in parallel with check lock lever.

To achieve these goals, the utility model provides a kind of unmanned plane.

The unmanned plane includes body, horn and the fast folded structure being installed on horn on body, and the fast folded structure is this reality With any one fast folded structure of new offer.

The utility model proposes Kuai Zhe mechanisms include：Mounting structure, attachment structure and locking mechanism, wherein, knot is installed Structure includes two side plates be arrangeding in parallel, and each side plate includes the first extension that body is connected with body and with the respectively The hook that one extension is connected；Attachment structure is articulated between two side plates by jointed shaft, and corresponding to hook Position is provided with strip through-hole；Locking mechanism includes the check lock lever and elastic component that are arranged in strip through-hole, the two ends of check lock lever Portion is stretched out outside strip through-hole, and attachment structure is fixed in one end of elastic component, and the other end is used to support check lock lever, elastic component to occur During elastic deformation, check lock lever can be moved on the length direction of strip through-hole.Attachment structure can be rotated around jointed shaft, so that Attachment structure is changed between locking state and folded state, so as to be applied to that when on unmanned plane, the quick of horn can be realized Fold, meanwhile, after attachment structure is in locking state, the end of check lock lever is snapped in hook, and elastic component is in part and recovers Elastically-deformable state, under the elastic force effect of the elastic component, check lock lever is subject to the thrust on the inside of hook, even if body and machine There is vibration in arm, and check lock lever can be in the state of locking with hook, it is ensured that attachment structure and peace during unmanned plane during flying Assembling structure is hinged the stability of state so far, lifts aircraft safety.

Brief description of the drawings

Fig. 1 is the schematic diagram that horn folds fast folded structure in the prior art；

The stereogram of the Kuai Zhe mechanisms that Fig. 2 is provided for the embodiment of the present application；

The side view of the Kuai Zhe mechanisms that Fig. 3 is provided for the embodiment of the present application；

Fig. 4 is the enlarged drawing in I portions in Fig. 3；

The stereogram of mounting structure in the Kuai Zhe mechanisms that Fig. 5 is provided for the embodiment of the present application；

The stereogram of attachment structure and locking mechanism in the Kuai Zhe mechanisms that Fig. 6 is provided for the embodiment of the present application；

The top view of attachment structure and locking mechanism in the Kuai Zhe mechanisms that Fig. 7 is provided for the embodiment of the present application；

Fig. 8 is the profile in Fig. 7 along A-A directions；

Fig. 9 is the profile in Fig. 7 along B-B directions；

The side view of attachment structure and locking mechanism in the Kuai Zhe mechanisms that Figure 10 is provided for the embodiment of the present application；

Figure 11 is the profile in Figure 10 along C-C directions.

Description of reference numerals

1- mounting structures；1a, 1b- side plate；1c- base plates；1d- back plates；11- side plate bodies；The extensions of 12- first；13- hangs Hook；131- tops；The sidepieces of 132- first；The sidepieces of 133- second；The extensions of 14- second；The hinge holes of 15- first；2- attachment structures； 21- strip through-holes；22- limited impressions；23- is mounted hole；The hinge holes of 24- second；25- horn mounting holes；3- locking mechanisms； 31- check lock levers；32- elastic components.

Specific embodiment

The utility model is further illustrated with implementation method below in conjunction with the accompanying drawings.But the use of these exemplary embodiments Way and purpose are only used for illustrating the utility model, not real protection scope of the present utility model are constituted any type of any Limit, it is more non-that protection domain of the present utility model is confined to this.

In the utility model, in the case where not being specified to the contrary, the noun of locality for using such as " upper and lower " is typically referred to What the Kuai Zhe mechanisms that the utility model is provided defined under normal usage." inside and outside " refers to relative to each part in itself Profile it is inside and outside, these nouns of locality are used for the ease of understanding, thus should not be constituted to the utility model protection domain Limitation.

Suitably referring to figs. 1 to Figure 11, in one embodiment, the Kuai Zhe mechanisms that the utility model is provided include mounting structure 1st, attachment structure 2 and locking mechanism 3, wherein, when the Kuai Zhe mechanisms are applied to unmanned plane, mounting structure 1 is used for and unmanned plane Body is mutually fixed, and attachment structure 2 is used to install the horn of unmanned plane, meanwhile, attachment structure 2 is hinged with mounting structure 1, realizes Attachment structure 2 is changed between locking state and folded state, namely realizes that horn turns between extended configuration and folded state Change, after attachment structure 2 is in locking state, namely horn is after extended configuration, and locking mechanism 3 is by mounting structure 1 and even State locking between binding structure 2, to maintain the lock status；After attachment structure 2 is in folded state, namely horn is in folding After overlapping state, the locking relation between the release mounting structure 1 of locking mechanism 3 and attachment structure 2.Each structure division, describes respectively It is as follows.

Mounting structure 1 includes two side plates 1a and 1b be arrangeding in parallel, and attachment structure 2 is articulated with two sides by jointed shaft Between plate 1a and 1b, attachment structure 2 around jointed shaft rotated between two side plates 1a and 1b when, attachment structure 2 locking shape Changed between state and folded state.

Each side plate include respectively the first extension 12 that is connected with body 11 of body 11 and with the phase of the first extension 12 The hook 13 of connection, it is preferable that body 11, the first extension 12 and hook 13 are integrally formed.Axially in parallel with jointed shaft Direction on, attachment structure 2 correspond to hook 13 position be provided with strip through-hole 21.Locking mechanism 3 includes being arranged at bar shaped Attachment structure 2 is fixed in check lock lever 31 and elastic component 32 in through hole 21, one end of elastic component 32, and the other end is used to support locks Bar 31, when elastic component 32 occurs elastic deformation, check lock lever 31 can be moved on the length direction of strip through-hole 21, check lock lever 31 Both ends stretch out outside strip through-hole 21, the external world is to check lock lever 31 when exert a force, elastic force work of the check lock lever 31 in elastic component 32 Under, the first side in the length direction of strip through-hole 21, the both side ends that check lock lever 31 is stretched out outside strip through-hole 21 are blocked respectively Enter in a hook 13, when the external world compresses elastic component 32 to the force of check lock lever 31, check lock lever 31 is by the length side of strip through-hole 21 To the first lateral second side shifting, the both side ends of check lock lever 31 depart from hook 13 respectively.

In the Kuai Zhe mechanisms that this embodiment is provided, part to be folded, the horn of such as unmanned plane are installed in attachment structure 2 The mounting hole 25 set by the upper surface of attachment structure 2 is arranged in attachment structure 2.Mounting structure 1 is fixed on part folding to be folded On the corresponding part of folded phase, such as on the body of unmanned plane.Attachment structure 2 can be rotated around jointed shaft, so that connection is tied Structure 2 is changed between locking state and folded state, that is, part to be folded is changed between extended configuration and folded state.When After attachment structure 2 is in locking state, elastic component 32 is in part and recovers elastically-deformable state, and now check lock lever 31 is in elasticity Under the elastic force effect of part, the end of check lock lever 31 is snapped into hook 13.When need to treat folded piece folded when, by outer Compression elastic piece 32 under boundary's active force, check lock lever 31 is moved in strip through-hole 21, depart from hook 13 after, attachment structure 2 around Jointed shaft is rotated, and folded state is in attachment structure 2.

When the horn of unmanned plane is realized folding using the Kuai Zhe mechanisms of this embodiment, in use, horn is in be stretched During exhibition state, the elastic component 32 for recovering elastic deformation state in part can apply to the thrust in hook 13 to check lock lever 31, The end of check lock lever 31 is snapped into hook 13 simultaneously, and now check lock lever 31 is near the first side of strip through-hole 21；Horn is by stretching When exhibition State Transferring is folded state, by operating the both ends of check lock lever 31, pressure is applied to elastic component 32, elastic component 32 is pressed Contracting, check lock lever 31 is moved near the second side of strip through-hole 21 in strip through-hole 21 to the direction away from hook, is now grasped Make horn so that attachment structure 2 around jointed shaft rotate, while check lock lever 31 along hook 13 outer surface progressively disengage hook, reality Now by the conversion of extended configuration to folded state；When horn is converted to extended configuration by folded state, operation horn causes connection Structure 2 is rotated around jointed shaft, while check lock lever 31 is gradually slided in hook along the outer surface of hook 13, to check lock lever 31 Both ends snap in hook 13.

It can be seen from the above description that installing horn by the Kuai Zhe mechanisms on unmanned plane, it is not only able to by being hinged Convenient realization is rotated to fold, and during unmanned plane during flying, because the check lock lever of attachment structure is to mounting structure two The locking effect of pendant hook, it is ensured that the stability of state is hinged between attachment structure and mounting structure, flight safety is improve.

When the Kuai Zhe mechanisms of above-described embodiment are applied into unmanned plane, can directly be set on two side plates 1a and 1b and fixed Structure is fixed on the body of unmanned plane, or, mounting structure 1 also include the base plate 1c that is respectively connected with two side plates and after Plate 1d, setting fixed structure is fixed on the body of unmanned plane on back plate 1d.Two side plate 1a and 1b, base plate 1c and back plate 1d Surround the space for accommodating attachment structure 2 so that attachment structure 2 is more stable with the assembly relation of mounting structure 1.

First extension 12 is connected with back plate 1d, and each side plate also includes being arranged at away from hook 13 sides and body 11 the second extensions 14 being connected, the second extension 14 is identical with the bearing of trend of the first extension 12, and attachment structure 2 is in lock It is tight when being changed between state and folded state, the sky of the end of check lock lever 31 between the first extension 12 and the second extension 14 Gap comes in and goes out and links up with 13.

Each side plate is provided with the first hinge hole 15 near the position of the second extension 12, and the bottom of attachment structure 2 is set Have second hinge hole 24 corresponding with the first hinge hole 15, jointed shaft through the first hinge hole 15 and the second hinge hole 24 so that Attachment structure 2 is hinged with two side plates 1a and 1b, and jointed shaft be arranged in parallel with check lock lever 31.

In an advantageous embodiment, hook 13 include top 131 and positioned at the both sides of top 131, respectively with top 131 The first sidepiece 132 and the second sidepiece 133 being connected, the first sidepiece 132 are oppositely arranged with the second sidepiece 133, top 131 it is interior The space that inwall composition check lock lever 31 end of wall, the inwall of the first sidepiece 132 and the second sidepiece 133 snaps in.

The distance between inwall of the inwall of the first sidepiece 132 and the second sidepiece 133 enters hook 13 in check lock lever 31 It is gradually reduced on direction, the minimum range between the inwall of the inwall of the first sidepiece 132 and the second sidepiece 133 is less than check lock lever 31 Diameter, the diameter of ultimate range between the inwall of the first sidepiece 132 and the inwall of the second sidepiece 133 more than check lock lever 31. When the end of check lock lever 31 snaps in hook 13, the inwall of the inwall of the first sidepiece 132 and the second sidepiece 133 is respectively provided with and check lock lever 31 The contact point (including a contact and face contact) being in contact, diameter of the distance between two contact points equal to check lock lever 31.

In use, as check lock lever 31 constantly rubs with the inwall of the first sidepiece 132, the inwall of the second sidepiece 133 Wipe, for example, when body vibrates during unmanned plane during flying, check lock lever 31 can also vibrate in hook 13, should Vibration causes the inwall of the both sides of check lock lever 31 constantly to rub, and the friction can be caused on the inwall of the first sidepiece 132 and/or the second side It is recessed with the contacting points position of check lock lever 31 on the inwall of portion 133, so that the distance between two initial contact points become larger, Now, check lock lever 31 can be moved in the presence of elastic component 32 to the top of hook 13, and inwall due to the first sidepiece 132 with The distance between inwall of second sidepiece 133 is gradually reduced on the direction that check lock lever 31 enters hook 13, and check lock lever 31 is to extension Contacted with the inwall of the second sidepiece 133 with the inwall of the first sidepiece 132 again after the top of hook 13 is mobile, so as to new contact occur Point, the end of check lock lever 31 is still snapped in hook 13, and the check lock lever of attachment structure still has to mounting structure both sides hook Locking is acted on, and continues the stability for ensureing to be hinged state between attachment structure and mounting structure, it is to avoid occur due to vibration, friction The situation for leading to not clamping etc. factor occurs.

Wherein, can be inclined-plane or cambered surface (its by the inwall of the inwall and/or the second sidepiece 133 that set the first sidepiece 132 In, when inwall is cambered surface, the contact point of check lock lever and inwall is a point, when inwall is inclined-plane, check lock lever and inwall Contact point is a line), realize that the distance between the inwall of the first sidepiece 132 and the inwall of the second sidepiece 133 change.It is preferred that Ground, as shown in figure 3, the first sidepiece 132 is the sidepiece being connected with the first extension 12, the inwall of the first sidepiece 132, first prolong The inwall and the side inwall of strip through-hole 21 of extending portion 12 are in the same plane, and convenient to shape and produce, the inwall at top 131 is Cambered surface, the inwall of the second sidepiece 133 is the inwall and the second sidepiece of inclined-plane or cambered surface, the inwall at top 131 and the first sidepiece 132 133 inwall can be seamlessly transitted gradually.As shown in figure 4, the inwall of the second sidepiece 133 be inclined-plane R2, thus inclined-plane R2 with Horizontal plane R1 where contact point compares as can be seen that inclined-plane R2 is gradually to hook outer incline.

In another preferred embodiment, as shown in Fig. 2 the appearance of hook 13 relative with the inwall of the second sidepiece 133 Face is to the inclined inclined-plane R3 in direction near the first sidepiece 132.By the setting of inclined-plane R3, check lock lever 31 is facilitated to snap in extension Hook 13 and disengaging hook 13.

In another preferred embodiment, elastic component 32 uses compression spring, as shown in figures 9 and 11, strip through-hole 21 Both sides inwall on be correspondingly arranged on limited impression 22 respectively, the external diameter of the width less than spring of strip through-hole 21, two spacing Ultimate range between groove 22 is equal to the external diameter of spring, so that two limited impressions 22 enter to spring-compressed or the path for flicking Go spacing, when check lock lever 31 is moved in strip through-hole 21, spring occurs elastic deformations along two limited impressions 22.

It is highly preferred that as shown in Figure 8 and Figure 9, on the length direction of strip through-hole 21, attachment structure 2 be additionally provided with The limit installation hole 23 of the insertion of strip through-hole 21, spring can be attached in attachment structure 2 by the limit installation hole, while spring Bottom be securable to be mounted hole 23 in, the path to compressing or flicking further limits.

The utility model additionally provides the embodiment of unmanned plane, and the unmanned plane in the embodiment includes body, horn and incites somebody to action Horn is installed on the fast folded structure on body, the fast folded structure that this fast folded structure is provided for above-mentioned any one embodiment, related Here is omitted for structure and effect.

The Kuai Zhe mechanisms provided from above-mentioned record, the utility model and unmanned plane, relative to prior art, have Following beneficial effect：During unmanned plane during flying, because the check lock lever of attachment structure in Kuai Zhe mechanisms is to mounting structure two The locking effect of pendant hook, it is ensured that the stability of state is hinged between attachment structure and mounting structure, flight safety is improve.

The sequencing of embodiment of above only for ease of description, the quality of implementation method is not represented.

Finally it should be noted that：Embodiment of above is only used to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail to the utility model with reference to aforementioned embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing each implementation method, or special to which part technology Levying carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from each reality of the utility model Apply the spirit and scope of mode technical scheme.

Claims (10)

1. a kind of Kuai Zhe mechanisms, it is characterised in that including：Mounting structure (1), attachment structure (2) and locking mechanism (3), wherein,

The mounting structure (1) includes two side plates (1a, 1b) be arrangeding in parallel, and each described side plate (1a, 1b) includes respectively The first extension (12) that body (11) is connected with the body (11) and the extension being connected with first extension (12) Hook (13)；

The attachment structure (2) is articulated between described two side plates (1a, 1b) by jointed shaft, in the axle with the jointed shaft To on parallel direction, the attachment structure (2) is provided with strip through-hole (21)；

The locking mechanism (3) includes the check lock lever (31) and elastic component (32) that are arranged in the strip through-hole (21), described The strip through-hole (21) is stretched out outward in the both ends of check lock lever (31), and the connection is fixed in one end of the elastic component (32) Structure (2), the other end is used to support the check lock lever (31), when there is elastic deformation in the elastic component (32), the check lock lever (31) can be moved on the length direction of the strip through-hole (21)；

The attachment structure (2) can rotate around the jointed shaft, so that the attachment structure (2) is in locking state and folding Changed between state, after the attachment structure (2) is in locking state, the end of the check lock lever (31) snaps in the hook (13) in, the elastic component (32) recovers elastically-deformable state in part, when the attachment structure (2) is in folded state Afterwards, the end of the check lock lever (31) departs from the hook (13).

2. Kuai Zhe mechanisms according to claim 1, it is characterised in that the hook (13) including top (131) and with The first sidepiece (132) and the second sidepiece (133) that the top (131) is connected, first sidepiece (132) and described second Sidepiece (133) is oppositely arranged, and the inwall of first sidepiece (132) is respectively provided with and institute with the inwall of second sidepiece (133) State the contact point that check lock lever (31) is in contact, the inwall of the inwall of first sidepiece (132) and second sidepiece (133) it Between distance the check lock lever (31) enter the hook (13) direction on be gradually reduced, first sidepiece (132) Diameter of the minimum range less than the check lock lever (31) between inwall and the inwall of second sidepiece (133), described first Ultimate range between the inwall of sidepiece (132) and the inwall of second sidepiece (133) is straight more than the check lock lever (31) Footpath.

3. Kuai Zhe mechanisms according to claim 2, it is characterised in that the inwall of first sidepiece (132) and/or described The inwall of the second sidepiece (133) is inclined-plane or cambered surface.

4. Kuai Zhe mechanisms according to claim 3, it is characterised in that first sidepiece (132) and described first extends Portion (12) is connected, the inwall of first sidepiece (132), the inwall and the strip through-hole of first extension (12) (21) side inwall is in the same plane, and the inwall of second sidepiece (133) is inclined-plane or cambered surface.

5. Kuai Zhe mechanisms according to claim 4, it is characterised in that the inwall of the top (131) is cambered surface.

6. Kuai Zhe mechanisms according to claim 4, it is characterised in that relative with the inwall of second sidepiece (133), The outer surface of the hook (13) is near the inclined inclined-plane in direction of first sidepiece (132).

7. Kuai Zhe mechanisms according to claim 1, it is characterised in that the elastic component (32) is spring, the bar shaped is led to Limited impression (22) is correspondingly arranged on the both sides inwall in hole (21) respectively, between two limited impressions (22) it is maximum away from From the external diameter equal to the spring, when the check lock lever (31) is moved in the strip through-hole (21), the spring is along described There is elastic deformation in two limited impressions (22).

8. Kuai Zhe mechanisms according to claim 1, it is characterised in that on the length direction of the strip through-hole (21), The attachment structure (2) is additionally provided with the limit installation hole (23) with the strip through-hole (21) insertion, the elastic component (32) A part be fixed in the limit installation hole (23).

9. Kuai Zhe mechanisms according to claim 1, it is characterised in that the mounting structure (1) also include with it is described two Base plate (1c) and back plate (1d) that side plate (1a, 1b) is respectively connected with, described two side plates (1a, 1b), the base plate (1c) and The back plate (1d) surrounds the space for accommodating the attachment structure (2), first extension (12) and the back plate (1d) phase Connection, each described side plate also includes being arranged at second be connected with the body (11) away from the hook (13) side Extension (14), second extension (14) is identical with the bearing of trend of first extension (12), each described side plate Position near second extension (12) is provided with the first hinge hole (15), and the bottom of the attachment structure (2) is provided with Second hinge hole (24) corresponding with first hinge hole (15), the jointed shaft through first hinge hole (15) with Second hinge hole (24) so that the attachment structure (2) is hinged with described two side plates (1a, 1b), the jointed shaft and institute Check lock lever (31) is stated to be arranged in parallel.

10. a kind of unmanned plane, it is characterised in that the fast folding on the body is installed on including body, horn and by the horn Structure, the fast folded structure is the fast folded structure any one of claim 1 to 9.