CN211417593U

CN211417593U - Safe unmanned aerial vehicle is used in teaching

Info

Publication number: CN211417593U
Application number: CN201922004896.1U
Authority: CN
Inventors: 朱君; 庄昊
Original assignee: Jiangsu Sucai Information Technology Co ltd
Current assignee: Jiangsu Sucai Information Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-04
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a safe unmanned aerial vehicle is used in teaching belongs to unmanned air vehicle technical field, and it includes fuselage, wing and foot rest, and the wing is installed on the fuselage, the foot rest is used for supporting the fuselage, the foot rest includes a plurality of support piece, buffer gear and connection a plurality of support piece with buffer gear's base, the base passes through it is a plurality of support piece is used for supporting the fuselage, buffer gear is used for supporting the base just can with the confession the landing platform that safe unmanned aerial vehicle landed for teaching contacts. The utility model discloses can produce non-rigid collision with the landing platform that supplies unmanned aerial vehicle to land when falling to the ground foot rest.

Description

Safe unmanned aerial vehicle is used in teaching

Technical Field

The utility model belongs to the unmanned aerial vehicle field, concretely relates to safe unmanned aerial vehicle is used in teaching.

Background

An unmanned aircraft, called drone for short, is an unmanned aircraft that is operated by means of a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an on-board computer. With the progress of science and technology, unmanned aerial vehicles have recently gained wide application in the teaching field.

Chinese patent document is unmanned aerial vehicle is used in dismouting teaching many times to modularization, and application number is CN201821984131.8, and it includes the cabin, the horn is installed to one side of cabin, and the bottom in cabin is provided with the battery compartment, first mounting hole has been seted up to the junction of cabin and horn, and the tongue-and-groove has been seted up to the bottom in cabin, the foot rest is installed to the lower extreme of horn, and one side of horn installs the motor. The utility model discloses a structure scientific and reasonable, convenient operation realizes dismouting and the fixed work of cabin and battery compartment through tongue-and-groove and tenon that set up, can realize the fixed of horn and cabin and motor through first mounting hole, second mounting hole and the inserted bar that sets up, can utilize magnetism to inhale the principle mutually with second magnet through the first magnet that sets up, realizes the fixed of foot rest and horn, realizes the fixed of screw and motor through recess and the fixed block that sets up. Wherein the rotatory oar is as this unmanned aerial vehicle's wing, and the fuselage of this unmanned aerial vehicle is regarded as to the rest except rotatory oar and foot rest among the unmanned aerial vehicle.

This unmanned aerial vehicle when the flight is accomplished after falling to the ground, its foot rest can produce hard collision with the platform that falls that supplies unmanned aerial vehicle to land, and along with the increase of collision strength and the increase of collision number of times, the damage appears easily in the foot rest, leads to whole unmanned aerial vehicle's normal life to shorten.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a foot rest produces safe unmanned aerial vehicle for teaching of non-rigid collision with the landing platform that supplies unmanned aerial vehicle to land when falling to the ground.

In order to solve the technical problem, the utility model provides a safe unmanned aerial vehicle is used in teaching, including fuselage, wing and foot rest, the wing is installed on the fuselage, the foot rest is used for supporting the fuselage, the foot rest includes a plurality of support piece, buffer gear and connection a plurality of support piece with buffer gear's base, the base passes through it is a plurality of support piece is used for supporting the fuselage, buffer gear is used for supporting the base just can with the confession the landing platform that safe unmanned aerial vehicle landed for teaching contacts.

In above-mentioned technical scheme, when teaching was accomplished the flight with safe unmanned aerial vehicle and is fallen to the ground, buffer gear in the foot rest earlier with the platform contact of landing, because buffer gear has buffer capacity, avoided teaching with safe unmanned aerial vehicle and the rigid collision of landing the platform, and a plurality of support piece all install on unified base for a plurality of support piece's wholeness reinforcing has improved teaching with safe unmanned aerial vehicle's firmness.

Further, buffer gear includes more than two elastic cushion blocks, the cushion block is in symmetrical arrangement on the base, the cushion block can with supply the teaching contacts with the landing platform of safe unmanned aerial vehicle landing, reaches the effect of buffering with the help of the elasticity of cushion block, simple structure, practicality.

Further, the cushion includes the supporting part and with the contact site that the supporting part is connected, the supporting part with the base is connected, the contact site passes through the supporting part supports the base, the contact site also can with supply the teaching contacts with the landing platform of safe unmanned aerial vehicle landing, provides a concrete structure of cushion.

Furthermore, the base is provided with a mounting groove formed by the fact that the bottom surface of the base is sunken towards the top surface of the base, and the supporting portion is connected into the mounting groove, so that a concrete connecting structure of the cushion block and the base is provided.

Further, buffer gear is still including setting up buffer spring in the mounting groove, buffer spring with the supporting part stretches into the part of mounting groove contacts, when the supporting part receives vertical ascending pressure, buffer spring is in compression state, through setting up buffer spring, improves whole buffer gear's buffer capacity.

Furthermore, the buffer mechanism also comprises a fixed rod, a limiting block and a fixed plate with a threaded hole, the top surface of the part of the supporting part extending into the mounting groove is provided with a connecting groove which is used for the buffer spring to be connected in and has an annular cross section, the part of the supporting part extending into the mounting groove is provided with a limiting groove positioned at the center of the connecting groove, the size of the notch of the limiting groove is smaller than that of the cross section of the limiting groove, the limiting block is positioned in the limiting groove, the size of the cross section of the limiting block is larger than that of the notch of the limiting groove, the fixed plate is fixed on the top surface of the base through a bolt, one end of the fixed rod extends into the limiting groove and is fixedly connected with the limiting block, the other end of the fixed rod passes through the center of the buffer spring and is fixedly, contact site and supporting part cushion some impact force earlier, at this moment the supporting part removes, compression buffer spring, thereby reach the purpose of further buffering the impact force, the fixed plate, dead lever and stopper combined action not only can make the supporting part insert in the mounting groove, also can make the supporting part remove in the mounting groove, through opening the bolt on unscrewing the fixed plate, can follow the mounting groove with the supporting part and demolish, demolish the mode simply, and is same, the supporting part is also simple, convenient in the installation of mounting groove.

Furthermore, the cushion quantity is four and is the rectangle and arranges, provides stable support for the base.

Further, contact site is the suction disc shape, the supporting part is cylindricly, can grab ground better when this safe unmanned aerial vehicle for teaching lands.

Further, support piece is the bracing piece, the bracing piece is all vertical placing, the top of base is equipped with the confession the bracing piece insert and with bracing piece matched with fixed slot, the pole body of bracing piece stretches into the part in the fixed slot is equipped with the fixed orifices, be equipped with on the base and pass the fixed orifices and the anchorage bar of fixed slot, through this design, not only can fix the bracing piece on the base, also can realize that detachably is connected between bracing piece and the base.

To sum up, use the utility model discloses safe unmanned aerial vehicle is used in teaching can realize falling to the ground the foot rest and supply the landing platform that unmanned aerial vehicle landed to produce the purpose of non-rigid collision.

Drawings

FIG. 1 is a schematic view of a foot rest;

FIG. 2 is a top view of the support portion;

FIG. 3 is a schematic view of the connection of the fuselage to the wing and support;

FIG. 4 is a schematic view of the attachment of the spacer to the base;

in the figure: 10. a body; 11. an airfoil; 12. a foot rest; 121. a support member; 1211. a fixing hole; 122. a base; 1221. mounting grooves; 1222. fixing grooves; 123. a buffer mechanism; 1231. cushion blocks; 12311. a support portion; 123111, connecting groove; 123112, a limit groove; 12312. a contact portion; 1232. a buffer spring; 1233. fixing the rod; 1234. a limiting block; 1235. a fixing plate; 126. and (7) fastening the rod.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 4.

As shown in fig. 1 and 3, a safe unmanned aerial vehicle is used in teaching, including fuselage 10, wing 11 and foot rest 12, wing 11 installs on fuselage 10, foot rest 12 is used for supporting fuselage 10, foot rest 12 includes a plurality of bracing pieces, four cushion blocks 1231 and the base 122 of connecting a plurality of bracing pieces and four cushion blocks 1231, wherein cushion block 1231 is made by elastic material such as rubber, cushion block 1231 symmetrical arrangement on base 122, cushion block 1231 connects the bottom surface at base 122, be used for supporting base 122, ground is as the landing platform, the landing platform also can be the platform that supplies teaching to land with safe unmanned aerial vehicle except ground. The supporting rods may be replaced by other supporting members 121, and the base 122 is used for supporting the body 10 through a plurality of supporting members 121. The spacers 1231 may be other structures and the buffer mechanism 123 for supporting the base 122 and capable of contacting the ground, and the number of the spacers 1231 may be other numbers than two.

When teaching was accomplished the flight with safe unmanned aerial vehicle and is fallen to the ground, cushion 1231 in the foot rest 12 contacts with ground earlier, because cushion 1231 has buffer capacity, has avoided the hard collision of teaching with safe unmanned aerial vehicle and ground, simple structure, practicality, and a plurality of bracing pieces are all installed on unified base 122 for the wholeness reinforcing of a plurality of bracing pieces has improved teaching with safe unmanned aerial vehicle's firmness.

Preferably, the spacer 1231 includes a support part 12311 and a contact part 12312 connected to the support part 12311, the support part 12311 is connected to the base 122, the contact part 12312 supports the base 122 through the support part 12311, and the contact part 12312 can also contact a landing pad on which the teaching safety drone lands.

In order to mount the spacer 1231 on the base 122, the base 122 is provided with a mounting groove 1221 formed by recessing the bottom surface of the base 122 in the direction of the top surface of the base 122, and the support portion 12311 is inserted into the mounting groove 1221.

In order to improve the buffer capacity of whole buffer gear 123, buffer spring 1232 has been add, and buffer spring 1232 fixed connection is roof in mounting groove 1221, and buffer spring 1232 contacts with the part that supporting part 12311 stretches into mounting groove 1221, and when this safe unmanned aerial vehicle for teaching landed, when supporting part 12311 received vertical ascending pressure, buffer spring 1232 was in the compression state, improved buffer gear 123's buffer capacity with the help of buffer spring 1232.

As shown in fig. 1 and 2, in order to make the supporting portion 12311 inserted into the mounting groove 1221, a fixing rod 1233, a stopper 1234 and a fixing plate 1235 having a threaded hole are added, the top surface of the portion of the supporting portion 12311 inserted into the mounting groove 1221 has a connecting groove 123111 for the buffer spring 1232 to be inserted and having a circular cross section, the supporting portion 12311 can be formed by detachably connecting two members, the portion of the supporting portion 12311 inserted into the mounting groove 1221 has a stopper groove 123112 located at the center of the connecting groove 123111, the size of the notch of the stopper 123112 is smaller than the size of the cross section of the stopper groove 123112, the stopper 1234 is located in the stopper groove 123112, the size of the cross section of the stopper 1234 is larger than the size of the notch of the stopper groove 123112, the fixing plate 1235 is fixed on the top surface of the base 122 by a bolt, one end of the fixing rod 1233 is inserted into the stopper groove 123112 and fixedly, when teaching was landed with safe unmanned aerial vehicle, contact site 12312 and supporting part 12311 cushion some impact force earlier, at this moment supporting part 12311 removes, compression buffer spring 1232, thereby reach the purpose of further buffering the impact force, fixed plate 1235, dead lever 1233 and stopper 1234 combined action not only except can make supporting part 12311 insert in mounting groove 1221, can also make supporting part 12311 remove in mounting groove 1221, through opening the bolt on unscrewing fixed plate 1235, can demolish supporting part 12311 from mounting groove 1221 in, the dismantlement mode is simple, likewise, supporting part 12311 installs also simply in mounting groove 1221, it is convenient.

As shown in fig. 4, four spacers 1231 are arranged in a rectangular pattern to provide stable support for the base 122.

As shown in fig. 1, in order to make the teaching safety drone grip the ground better when it lands, the contact portions 12312 are all suction disc-shaped, the support portions 12311 are all cylindrical, and the buffer mechanism 123 can generate suction action with the ground by the suction disc-shaped structure of the contact portion 12312.

In order to fix the support rod on the base 122, the support member 121 is a support rod, the support rod is vertically placed, a fixing groove 1222 for the support rod to be inserted and matched with the support rod is arranged on the top of the base 122, a fixing hole 1211 is arranged on a portion of the rod body of the support rod extending into the fixing groove 1222, and a fastening rod 126 penetrating through the fixing hole 1211 and the fixing groove 1222 is arranged on the base 122.

This safe unmanned aerial vehicle for teaching can realize when falling to the ground foot rest 12 and the landing platform that supplies unmanned aerial vehicle to land produce the purpose of non-rigid collision. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A safe unmanned aerial vehicle is used in teaching, includes:

a body (10);

a wing (11) mounted on the fuselage (10); and

a foot rest (12) for supporting the fuselage (10), characterized by: foot rest (12) include a plurality of support piece (121), buffer gear (123) and connect a plurality of support piece (121) with base (122) of buffer gear (123), the base passes through a plurality of support piece (121) are used for supporting fuselage (10), buffer gear (123) are used for supporting base (122) and can with supply the teaching contacts with the landing platform that safe unmanned aerial vehicle landed.

2. The safety unmanned aerial vehicle is used in teaching of claim 1, characterized by: buffer gear (123) include more than two have elastic cushion (1231), cushion (1231) are in symmetrical arrangement on base (122), cushion (1231) can with the confession safety unmanned aerial vehicle for teaching lands the platform and contacts.

3. The safety unmanned aerial vehicle is used in teaching of claim 2, characterized by: the pad block (1231) includes a support portion (12311) and a contact portion (12312) connected to the support portion (12311), the support portion (12311) is connected to the base (122),

the contact part (12312) supports the base (122) through the support part (12311), and the contact part (12312) can also be in contact with a landing platform on which the teaching safety unmanned aerial vehicle lands.

4. A teaching safety unmanned aerial vehicle according to claim 3, wherein: the base (122) is provided with a mounting groove (1221) formed by the bottom surface of the base (122) sinking towards the top surface of the base (122), and the supporting part (12311) is connected into the mounting groove (1221).

5. The safety unmanned aerial vehicle is used in teaching of claim 4, characterized by: buffer gear (123) still including setting up buffer spring (1232) in mounting groove (1221), buffer spring (1232) with supporting part (12311) stretches into the part of mounting groove (1221) contacts, when supporting part (12311) received vertical ascending pressure, buffer spring (1232) are in compression state.

6. The safety unmanned aerial vehicle is used in teaching of claim 5, characterized by: the buffer mechanism (123) further comprises a fixed rod (1233), a limit block (1234) and a fixed plate (1235) with a threaded hole, the top surface of the part of the supporting part (12311) extending into the mounting groove (1221) is provided with a connecting groove (123111) for the buffer spring (1232) to be connected and the cross section of which is annular, the part of the supporting part (12311) extending into the mounting groove (1221) is provided with a limit groove (123112) located at the center of the connecting groove (123111), the size of the notch of the limit groove (123112) is smaller than that of the cross section of the limit groove (123112), the limit block (1234) is located in the limit groove (123112), the size of the cross section of the limit block (1234) is larger than that of the notch of the limit groove (123112), the fixed plate (1235) is fixed on the top surface of the base (122) through bolts, one end of the fixed rod (1233) extends into the limit groove (123112) and is fixedly connected with the limit block, the other end of the fixing rod (1233) penetrates through the center of the buffer spring (1232) and is fixedly connected with the fixing plate (1235).

7. The safety unmanned aerial vehicle is used in teaching of claim 6, characterized by: the number of the cushion blocks (1231) is four and the cushion blocks are arranged in a rectangular shape.

8. The safety unmanned aerial vehicle is used in teaching of claim 7, characterized by: the contact portions (12312) are suction disc-shaped, and the support portions (12311) are cylindrical.

9. The safety unmanned aerial vehicle is used in teaching of claim 8, characterized by: the supporting piece (121) is a supporting rod, the supporting rods are vertically arranged, a fixing groove (1222) which is used for the supporting rod to be connected in and matched with the supporting rod is formed in the top of the base (122), a fixing hole (1211) is formed in the portion, extending into the fixing groove (1222), of the rod body of the supporting rod, and a fastening rod (126) penetrating through the fixing hole (1211) and the fixing groove (1222) is arranged on the base (122).