CN209097002U

CN209097002U - Horn structure and unmanned plane

Info

Publication number: CN209097002U
Application number: CN201821789506.5U
Authority: CN
Inventors: 浠插己; 仲强
Original assignee: Goertek Robotics Co Ltd
Current assignee: Goertek Robotics Co Ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-07-12
Anticipated expiration: 2028-10-31

Abstract

The utility model discloses a kind of horn structure and unmanned plane, wherein horn structure includes: fixed arm, is fixedly connected on the fuselage of unmanned plane, and accommodating chamber, axially extending setting of the accommodating chamber along fixed arm are formed in fixed arm；One end of telescopic arm, telescopic arm is telescopically inserted in accommodating chamber along the axial direction of fixed arm；Elastic component is set in accommodating chamber, and the one end being inserted in accommodating chamber of the both ends of elastic component respectively with the bottom wall of accommodating chamber and telescopic arm offsets；One-way piston is fixedly arranged on the one end of telescopic arm being inserted in accommodating chamber, is formed with sealed chamber between one-way piston and the bottom wall of accommodating chamber；When telescopic arm stretches out, one-way piston hinders air-flow to flow into sealed chamber, and when telescopic arm retracts, one-way piston allows the indoor gas of seal chamber to flow out.The technical solution of the utility model, which is intended to provide one kind, can either quickly absorb impact energy, and can be avoided the horn structure of absorbed impact energy quick release.

Description

Horn structure and unmanned plane

Technical field

The utility model relates to air vehicle technique field, in particular to the nothing of a kind of horn structure and application the horn structure It is man-machine.

Background technique

In recent years, with the rapid development of unmanned plane industry, unmanned plane, which falls, damage or to fall and hits human body and cause to hurt Harmful situation also occurs therewith.Some researches show that for unmanned plane in drop event, greater probability is that horn takes the lead in touching ground Or human body.Therefore, increasing buffer structure on the horn of unmanned plane also becomes the hot topic of design.The mode of mainstream has two at present Kind, one is horn and fuselage are carried out living-hinge connection, and increases a few beam spring oblique pulls around horn and added Gu；It is another then be that horn is designed to two-segment type structure, it is attached between two sections using the preferable spring of rigidity.Both Mode is all to allow horn to have certain contraction distortion ability using the component with elastic telescopic ability, is being touched to absorb The impact energy generated during hitting.But this simple mode buffered by the component with elastic telescopic ability, But there is an apparent defect, i.e. the component with elastic telescopic ability generates deformation in the impact energy for having absorbed collision Afterwards, this impact energy can be discharged at once again and rebounds out and causes secondary damage or injury.

Utility model content

The main purpose of the utility model is to provide a kind of horn structure, it is desirable to provide one kind can either quickly absorb impact Energy, and can be avoided the horn structure of absorbed impact energy quick release.

To achieve the above object, the utility model proposes horn structure be applied to unmanned plane, which includes:

Fixed arm is fixedly connected on the fuselage of unmanned plane, accommodating chamber is formed in the fixed arm, the accommodating chamber is along institute State the axially extending setting of fixed arm；

One end of telescopic arm, the telescopic arm is telescopically inserted in the accommodating chamber along the axial direction of the fixed arm；

Elastic component is set in the accommodating chamber, the both ends of the elastic component respectively with the bottom wall of the accommodating chamber and described The one end of telescopic arm being inserted in the accommodating chamber offsets；

One-way piston is fixedly arranged on the one end of the telescopic arm being inserted in the accommodating chamber, the one-way piston and institute It states and is formed with sealed chamber between the bottom wall of accommodating chamber；When the telescopic arm stretches out, the one-way piston hinders air-flow to flow into The sealed chamber, when the telescopic arm retracts, the one-way piston allows the indoor gas of the seal chamber to flow out.

Optionally, the fixed arm includes:

Fixed arm body, the fixed arm body are in tubular structure open at one end, are formed in the fixed arm body The accommodating chamber；

Fixing sleeve, the fixing sleeve are sheathed on one end with opening of the fixed arm body, and offer through hole, One end of the telescopic arm is inserted in the accommodating chamber after running through the through hole.

Optionally, sealing ring is equipped between the side wall of the through hole and the side wall of the telescopic arm.

Optionally, the fixing sleeve offers the gas vent being connected to the accommodating chamber, the gas vent and the sealing Chamber is located at the two sides of the one-way piston；

When the telescopic arm retracts, the indoor gas of seal chamber flows to the exhaust by the one-way piston Hole.

Optionally, be formed with air flue in the telescopic arm, the both ends of the air flue respectively with atmosphere and the sealed chamber Connection；

When the telescopic arm stretches out, the air-flow in atmosphere flows into the sealed chamber by the air flue.

Optionally, the one-way piston includes piston sheet, and it is described that the piston sheet is fixedly arranged on being inserted in for the telescopic arm The outer rim of one end in accommodating chamber, the piston sheet is arranged along the circumferentially extending of the accommodating chamber, and the chamber with the accommodating chamber Wall offsets, and the piston sheet is obliquely installed by the stretching direction that the axis of the accommodating chamber is outwardly toward the telescopic arm.

Optionally, the one end of the telescopic arm being inserted in the accommodating chamber include along the telescopic arm retracted orientation according to The supporting part of secondary connection and fixed part, the outer diameter of the fixed part are less than the outer diameter of the supporting part, the fixed part with it is described Supporting table is formed between supporting part, the piston sheet is sheathed on the fixed part, and support is in the supporting table.

Optionally, the one-way piston further includes fixed ring, and the fixed ring is fixedly connected on the end face of the fixed part, The piston sheet is pressed in the supporting table by the outer rim of the fixed ring.

Optionally, the piston sheet is equipped with multiple, and multiple piston sheets are stacked, between adjacent two piston sheet It is folded with gasket；

And/or the fixed ring includes cylinder open at one end and is arranged around the cylinder body bottom outer surface pressed Piece, the bottom wall outer surface of the cylinder are bonded the end face setting of the fixed part, and described pressed is pressed on the piston sheet, institute The one end towards the telescopic arm for stating elastic component is inserted in the cylinder.

The utility model also proposes a kind of unmanned plane, which includes fuselage and horn structure, the horn structure packet It includes:

One-way piston is fixedly arranged on the one end of the telescopic arm being inserted in the accommodating chamber, the one-way piston and institute It states and is formed with sealed chamber between the bottom wall of accommodating chamber；When the telescopic arm stretches out, the one-way piston hinders air-flow to flow into The sealed chamber, when the telescopic arm retracts, the one-way piston allows the indoor gas of the seal chamber to flow out；

The fixed arm of the horn structure is fixedly connected on the fuselage.

The technical solution of the utility model, when unmanned plane falls or collides, telescopic arm is under the influence of the impact force It will be retracted into fixed arm, the distance between the one end of telescopic arm being inserted in accommodating chamber and the bottom wall of accommodating chamber will be pressed Contracting, one-way piston will be mobile to the bottom wall of accommodating chamber, and the volume of sealed chamber will be compressed；At this point, the indoor gas of seal chamber Hypertonia, air-flow will be flowed out by passing through one-way piston in sealed chamber, and deformation occurs and liquidates by gradually compression for elastic component Energy is hit effectively to be absorbed；In this process, due to the design of one-way piston, one-way piston allows the indoor gas of seal chamber Body outflow, the compression process of elastic component can be carried out quickly, and impact energy can also quickly be absorbed by elastic component.

Further, after the impact suffered by the telescopic arm is fully absorbed by elastic component, elastic component is then inhaled release The impact energy of receipts, at this point, one end away from accommodating chamber bottom wall of elastic component will push one-way piston to away from accommodating chamber bottom wall Direction movement, to push telescopic arm protruding；In this process, due to the design of one-way piston, one-way piston resistance Air-flow is hindered to flow into sealed chamber, one-way piston can be to its own movement and telescopic arm to the direction away from accommodating chamber bottom wall Outwardly directed process generate obstruction, be inductively coupled to ground the Recovery Process of elastic component, one-way piston and telescopic arm, from And the impact energy that elastic component is absorbed is slowly released.

To sum up, the technical solution of the utility model, which provides one kind, can either quickly absorb impact energy, and can be avoided The horn structure of the impact energy quick release absorbed, to effectively prevent absorbed striking energy amount quick release and right Unmanned plane or human body cause secondary injury.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the assembling structure schematic diagram of the utility model horn structure and unmanned aerial vehicle body；

Fig. 2 is the fractionation structural representation of horn structure in Fig. 1；

Fig. 3 is the fit structure schematic diagram of the fixing sleeve of horn structure and fixed arm body and telescopic arm in Fig. 1；

Fig. 4 is the fit structure schematic diagram of the one-way piston of horn structure and fixed arm body in Fig. 1；

Fig. 5 is that horn structure internal gas flow during absorbing impact energy flows to schematic diagram in Fig. 1；

Fig. 6 is that horn structure internal gas flow during discharging impact energy flows to schematic diagram in Fig. 1.

Drawing reference numeral explanation:

Label	Title	Label	Title
				100	Horn structure	331	Air passing hole
10	Fixed arm	35	Supporting table
				10a	Accommodating chamber	50	Elastic component
10b	Sealed chamber	70	One-way piston
				11	Fixed arm body	71	Piston sheet
13	Fixing sleeve	73	Gasket
				131	Gas vent	75	Fixed ring
133	Sealing ring	751	Cylinder
				30	Telescopic arm	753	Pressed
30a	Air flue	77	Screw
				31	Supporting part	200	Fuselage
33	Fixed part

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.

The utility model proposes a kind of horn structures 100, are applied to unmanned plane, it is desirable to provide one kind can either quickly inhale Impact energy is received, and can be avoided the horn structure 100 of absorbed impact energy quick release.

The specific structure of the utility model horn structure 100 will be illustrated below.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, which includes:

Fixed arm 10 is fixedly connected on the fuselage 200 of unmanned plane, is formed with accommodating chamber 10a, accommodating chamber in fixed arm 10 Axially extending setting of the 10a along fixed arm 10；

One end of telescopic arm 30, telescopic arm 30 is telescopically inserted in accommodating chamber 10a along the axial direction of fixed arm 10；

Elastic component 50, be set to accommodating chamber 10a in, the both ends of elastic component 50 respectively with the bottom wall and telescopic arm of accommodating chamber 10a 30 one end being inserted in accommodating chamber 10a offsets；

One-way piston 70 is fixedly arranged on the one end of telescopic arm 30 being inserted in accommodating chamber 10a, one-way piston 70 and accommodating chamber Sealed chamber 10b is formed between the bottom wall of 10a；When telescopic arm 30 stretches out, one-way piston 70 hinders air-flow to flow into seal chamber Room 10b, when telescopic arm 30 retracts, one-way piston 70 allows the gas in sealed chamber 10b to flow out.

The technical solution of the utility model, when unmanned plane falls or collides, effect of the telescopic arm 30 in impact force Under will be retracted into fixed arm 10, between the one end of telescopic arm 30 being inserted in accommodating chamber 10a and the bottom wall of accommodating chamber 10a Distance will be compressed, and one-way piston 70 will be mobile to the bottom wall of accommodating chamber 10a, and the volume of sealed chamber 10b will be compressed；This When, the gas pressure in sealed chamber 10b is excessively high, and air-flow will flow out by passing through one-way piston 70 in sealed chamber 10b, elastic Part 50 by gradually compression deformation occurs and impact energy is effectively absorbed；In this process, due to one-way piston 70 Design, one-way piston 70 allow the gas in sealed chamber 10b to flow out, and the compression process of elastic component 50 can be carried out quickly, be impacted Energy can also quickly be absorbed by elastic component 50.

Further, after the impact suffered by the telescopic arm 30 is fully absorbed by elastic component 50, elastic component 50 will then be released Absorbed impact energy is put, at this point, one end away from accommodating chamber 10a bottom wall of elastic component 50 will push one-way piston 70 to support or oppose Direction movement from accommodating chamber 10a bottom wall, to push telescopic arm 30 protruding；In this process, due to one-way piston 70 design, one-way piston 70 hinder air-flow to flow into sealed chamber 10b, and one-way piston 70 can be to its own to away from accommodating chamber The movement in the direction of 10a bottom wall and the outwardly directed process of telescopic arm 30 generate obstruction, make elastic component 50, one-way piston 70 and the Recovery Process of telescopic arm 30 be inductively coupled to ground so that the impact energy that elastic component 50 is absorbed is by slowly Release.

To sum up, the technical solution of the utility model, which provides one kind, can either quickly absorb impact energy, and can be avoided The horn structure 100 of the impact energy quick release absorbed, to effectively prevent absorbed striking energy amount quick release And secondary injury is caused to unmanned plane or human body.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, fixed arm 10 includes:

Fixed arm body 11, fixed arm body 11 are in tubular structure open at one end, are formed with receipts in fixed arm body 11 Cavity 10a；

Fixing sleeve 13, fixing sleeve 13 are sheathed on one end with opening of fixed arm body 11, and offer through hole, stretch One end of contracting arm 30 is inserted in accommodating chamber 10a after running through through hole.

Specifically, fixing sleeve 13 is substantially in tubular structure open at one end, and one end that fixing sleeve 13 is open passes through inside and outside spiral shell The engagement of line is arranged the one end with opening for being fixed on fixed arm body 11, to enhance fixing sleeve 13 and fix arm body 11 Connective stability.Fixing sleeve 13 then offers through hole away from one end of its opening, and one end of telescopic arm 30 passes through the through hole It is inserted in accommodating chamber 10a through fixing sleeve 13, that is, fixing sleeve 13 is sheathed on telescopic arm 30 away from one end of its opening. Also, the aperture of the through hole of fixing sleeve 13 is suitable with the outer diameter of telescopic arm 30, in this way, fixing sleeve 13 can stretching to telescopic arm 30 Good positioning and supporting role are played in contracting movement, promote the stability of 30 stretching motion of telescopic arm.

In this way, first the fixing sleeve 13 of fixed arm 10 can be dismantled when carrying out the assembly of the utility model horn structure 100 Get off, by telescopic arm 30 after fixing sleeve 13, then it is unidirectional in one end progress of telescopic arm 30 needed to be inserted into accommodating chamber 10a The accommodating chamber 10a of fixed arm body 11 is inserted into the end of one-way piston 70 and telescopic arm 30 by the assembly of piston 70 together later It is interior, fixing sleeve 13 is finally arranged to the open at one end for being fixed on fixed arm body 11.In this way, being not only simple in structure, assembling It is convenient, and disassembly and maintenance are also extremely quick, may make the reliability of the utility model horn structure 100, practicability higher.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, the side wall and telescopic arm of through hole Sealing ring 133 is equipped between 30 side wall.

Specifically, the side wall of through hole offers accommodation groove, which is arranged around the circumferentially extending of telescopic arm 30, and In loop shaped, sealing ring 133 is placed in the accommodation groove, and inner edge is raised in the side wall of through hole and the side wall with telescopic arm 30 It abuts against, to play the role of sealing and enhancing 30 kinetic stability of telescopic arm.

In the present embodiment, there are three accommodation groove opens up, there are three the settings of sealing ring 133, and three accommodation grooves are along telescopic arm 30 Axially spaced-apart arrangement, three sealing rings 133 are respectively contained in three accommodation grooves, in this way, can further lift-off seal effect, Enhance 30 kinetic stability of telescopic arm.It should be understood that silica gel, rubber can be used for sealing ring 133 or other are effectively and reasonable Material.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, fixing sleeve 13 is offered and is accommodated The gas vent 131 of chamber 10a connection, gas vent 131 and sealed chamber 10b are located at the two sides of one-way piston 70；

When telescopic arm 30 retracts, the gas in sealed chamber 10b flows to gas vent 131 by one-way piston 70.

That is, telescopic arm 30 will inside contract under the influence of the impact force to fixed arm 10 when unmanned plane falls or collides It returns, the distance between one end being inserted in accommodating chamber 10a of telescopic arm 30 and the bottom wall of accommodating chamber 10a will be compressed, unidirectionally Piston 70 will be mobile to the bottom wall of accommodating chamber 10a, and the volume of sealed chamber 10b will be compressed；At this point, in sealed chamber 10b Gas pressure is excessively high, and air-flow will be flowed out by passing through one-way piston 70 in sealed chamber 10b, and air-flow passes through one-way piston 70 later Accommodating chamber 10a between gas vent 131 and come at gas vent 131, be finally expelled in atmosphere by gas vent 131；This When, elastic component 50 by gradually compression deformation occurs and impact energy is effectively absorbed；In this process, due to unidirectionally living The design of plug 70, one-way piston 70 allow the gas in sealed chamber 10b to flow out, the compression process of elastic component 50 can quickly into Row, impact energy can also quickly be absorbed by elastic component 50.

It should be understood that the design of gas vent 131, ensure that the quick discharge of gas in sealed chamber 10b, makes seal chamber The volume of room 10b is quickly reduced, to enable 50 Fast Compression of elastic component, impact energy is rapidly absorbed.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, air flue is formed in telescopic arm 30 30a, the both ends of air flue 30a are connected to atmosphere and sealed chamber 10b respectively；

When telescopic arm 30 stretches out, the air-flow in atmosphere flows into sealed chamber 10b by air flue 30a.

Specifically, 30 inner hollow of telescopic arm is formed with air flue 30a, and air flue 30a is set along the axially extending of telescopic arm 30 It sets.One end end wall of telescopic arm 30 being inserted in accommodating chamber 10a offers air passing hole 331, and the aperture of the air passing hole 331 is very It is small.Also, the both ends of the air passing hole 331 are respectively communicated with air flue 30a and sealed chamber 10b in telescopic arm 30, to be used for In 50 Recovery Process of elastic component, air is slowly filled into sealed chamber 10b, so that elastic component 50, one-way piston 70 and stretching Contracting arm 30 can slowly return back to initial position.

That is, elastic component 50 is then inhaled release after the impact suffered by the telescopic arm 30 is fully absorbed by elastic component 50 The impact energy of receipts, at this point, one end away from accommodating chamber 10a bottom wall of elastic component 50 will push one-way piston 70 to away from receiving The direction of chamber 10a bottom wall moves, to push telescopic arm 30 protruding；In this process, setting due to one-way piston 70 Meter, one-way piston 70 hinder air-flow to flow into sealed chamber 10b, and one-way piston 70 can be to its own to away from accommodating chamber 10a bottom wall Direction movement and telescopic arm 30 outwardly directed process generate obstruction, at this point, the gas in atmosphere then pass through it is flexible Air flue 30a and air passing hole 331 in arm 30 and slowly fill into sealed chamber 10b, so that sealed chamber 10b is delayed Slowly expand, be inductively coupled to ground the Recovery Process of elastic component 50, one-way piston 70 and telescopic arm 30, so that elastic The impact energy that part 50 is absorbed is slowly released.

It should be understood that Ventilation Rate is very slowly since the aperture of the air passing hole 331 of telescopic arm 30 is very small 's.Therefore, the Recovery Process of one-way piston 70, telescopic arm 30 and elastic component 50 is a slowly process, i.e. elastic component 50 after having absorbed impact energy and having generated deformation, cannot respond immediately to, impact energy is temporarily stored among elastic component 50 And cannot discharge at once, in the case, unmanned plane just will not be sent out because of the quick release of 50 impact energy of elastic component again Raw rebound, just will not generate rolling and collision again.

Furthermore, it is necessary to supplementary explanation, during elastic component 50 absorbs impact energy, in sealed chamber 10b Gas by one-way piston 70 and by gas vent 131 be discharged during, can also have partial gas in sealed chamber 10b It is expelled in atmosphere by the air passing hole 331 and air flue 30a of telescopic arm 30.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, one-way piston 70 includes piston sheet 71, piston sheet 71 is fixedly arranged on the one end of telescopic arm 30 being inserted in accommodating chamber 10a, and the outer rim of piston sheet 71 is along accommodating chamber 10a Circumferentially extending setting, and offset with the cavity wall of accommodating chamber 10a, piston sheet 71 is outwardly toward by the axis of accommodating chamber 10a The stretching direction of telescopic arm 30 is obliquely installed.In this way, the function that one-way piston 70 unidirectionally discharges air-flow is not only realized, Er Qiejie Structure is simple, easily manufactured, assembly is quick, and reliability, stability are high.Specifically, piston sheet 71 can be used silica gel, rubber or its His effective and reasonable material.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, telescopic arm 30 is inserted in receiving One end in chamber 10a includes outside the sequentially connected supporting part 31 of 30 retracted orientation of telescopic arm and fixed part 33, fixed part 33 Diameter is less than the outer diameter of supporting part 31, supporting table 35 is formed between fixed part 33 and supporting part 31, piston sheet 71 is sheathed on fixation Portion 33, and support is in supporting table 35.In this way, the setting stability of piston sheet 71 can be promoted effectively, the fortune of one-way piston 70 is promoted Dynamic stability, to effectively promote stability and reliability that one-way piston 70 unidirectionally discharges the function of air-flow.In the present embodiment, The table top of supporting table 35 is obliquely installed by the stretching direction that the axis of accommodating chamber 10a is outwardly toward telescopic arm 30, more to stick on Piston sheet 71 is closed, to further promote the setting stability of piston sheet 71.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, piston sheet 71 be equipped with it is multiple, it is more A piston sheet 71 is stacked, and is folded with gasket 73 between adjacent two-piston piece 71.In this way, the reliability of one-way piston 70 can be made It is promoted with durability.Specifically, silica gel, rubber or other effective and reasonable materials can be used in gasket 73.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, one-way piston 70 further includes fixing Ring 75, fixed ring 75 are fixedly connected on the end face of fixed part 33, and piston sheet 71 is pressed in supporting table 35 by the outer rim of fixed ring 75. In this way, the setting stability of piston sheet 71 can be promoted further, the kinetic stability of one-way piston 70 is promoted, to further mention Rise stability and reliability that one-way piston 70 unidirectionally discharges the function of air-flow.Specifically, fixed ring 75 can take similar nut Structure, at this point, the external screw thread being meshed with the internal screw thread of fixed ring 75 can be opened up in the side wall of fixed part 33, inside and outside dependence The fixation of fixed ring 75 is realized in the engagement of screw thread, at this point, fixed ring 75 and supporting table 35 can clamp piston piece 71 namely pistons Piece 71 is fixed ring 75 and is pressed in supporting table 35.Certainly, fixed ring 75 can also be in other effective and reasonable forms.

It should be understood that silica gel, rubber or other effective and reasonable materials can be used in fixed ring 75.

As shown in Figures 1 to 6, in 100 1 embodiment of the utility model horn structure, fixed ring 75 includes open at one end Cylinder 751 and around pressed 753 of the setting of 751 bottom outer surface of cylinder, the bottom wall outer surface of cylinder 751 is bonded fixed part 33 end face setting, pressed 753 is pressed on piston sheet 71, and one end towards telescopic arm 30 of elastic component 50 is inserted in cylinder In 751.

In this way, the setting stability of one end towards telescopic arm 30 of elastic component 50 can effectively be promoted, to effectively be promoted The stability and reliability of the utility model horn structure 100.

Specifically, the bottom wall of the cylinder 751 of fixed ring 75 is fixed on the end face of fixed part 33 by screw 77, also, solid The bottom wall for determining the cylinder 751 of ring 75 is also through with the through-hole of connection air passing hole 331 and sealed chamber 10b.

The utility model also proposes a kind of unmanned plane, which includes fuselage 200 and foregoing horn structure 100, the specific structure of the horn structure 100 is with reference to the foregoing embodiments.Since this unmanned plane uses aforementioned all embodiments Whole technical solutions, therefore at least all beneficial effects brought by whole technical solutions with aforementioned all embodiments, This is no longer repeated one by one.

Wherein, the fixed arm 10 of horn structure 100 is fixedly connected on the fuselage 200 of unmanned plane, and horn structure 100 is stretched Arm 30 is fixedly connected with the propeller motor of unmanned plane.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of horn structure, it is applied to unmanned plane, which is characterized in that the horn structure includes:

Fixed arm is fixedly connected on the fuselage of unmanned plane, accommodating chamber is formed in the fixed arm, the accommodating chamber is along described solid The axially extending setting of fixed arm；

Elastic component is set in the accommodating chamber, the both ends of the elastic component respectively with the bottom wall of the accommodating chamber and described flexible The one end of arm being inserted in the accommodating chamber offsets；

One-way piston is fixedly arranged on the one end of the telescopic arm being inserted in the accommodating chamber, the one-way piston and the receipts Sealed chamber is formed between the bottom wall of cavity；When the telescopic arm stretches out, the one-way piston hinders described in air-flow inflow Sealed chamber, when the telescopic arm retracts, the one-way piston allows the indoor gas of the seal chamber to flow out.

2. horn structure as described in claim 1, which is characterized in that the fixed arm includes:

Fixed arm body, the fixed arm body are in tubular structure open at one end, are formed in the fixed arm body described Accommodating chamber；

Fixing sleeve, the fixing sleeve are sheathed on one end with opening of the fixed arm body, and offer through hole, described One end of telescopic arm is inserted in the accommodating chamber after running through the through hole.

3. horn structure as claimed in claim 2, which is characterized in that the side wall of the side wall of the through hole and the telescopic arm Between be equipped with sealing ring.

4. horn structure as claimed in claim 2, which is characterized in that the fixing sleeve is offered to be connected to the accommodating chamber Gas vent, the gas vent and the sealed chamber are located at the two sides of the one-way piston；

When the telescopic arm retracts, the indoor gas of seal chamber flows to the gas vent by the one-way piston.

5. horn structure as claimed in claim 4, which is characterized in that air flue is formed in the telescopic arm, the air flue Both ends are connected to atmosphere and the sealed chamber respectively；

6. the horn structure as described in any one of claims 1 to 5, which is characterized in that the one-way piston includes piston sheet, The piston sheet is fixedly arranged on the one end of the telescopic arm being inserted in the accommodating chamber, and the outer rim of the piston sheet is along the receipts The circumferentially extending of cavity is arranged, and offsets with the cavity wall of the accommodating chamber, the piston sheet from the axis of the accommodating chamber to It is obliquely installed outside and towards the stretching direction of the telescopic arm.

7. horn structure as claimed in claim 6, which is characterized in that one be inserted in the accommodating chamber of the telescopic arm End includes along the sequentially connected supporting part of the telescopic arm retracted orientation and fixed part, and the outer diameter of the fixed part is less than described hold The outer diameter in support portion is formed with supporting table between the fixed part and the supporting part, the piston sheet is sheathed on the fixed part, And support is in the supporting table.

8. horn structure as claimed in claim 7, which is characterized in that the one-way piston further includes fixed ring, the fixation Ring is fixedly connected on the end face of the fixed part, and the piston sheet is pressed in the supporting table by the outer rim of the fixed ring.

9. horn structure as claimed in claim 8, which is characterized in that the piston sheet is equipped with multiple, multiple piston sheets It is stacked, is folded with gasket between adjacent two piston sheet；

And/or the fixed ring includes cylinder open at one end and surround pressed that the cylinder body bottom outer surface is arranged, institute The bottom wall outer surface for stating cylinder is bonded the end face setting of the fixed part, and described pressed is pressed on the piston sheet, the bullet One end towards the telescopic arm of property part is inserted in the cylinder.

10. a kind of unmanned plane, which is characterized in that including fuselage and horn structure as claimed in any one of claims 1-9 wherein, The fixed arm of the horn structure is fixedly connected on the fuselage.