CN216035122U

CN216035122U - It is alert with unmanned aerial vehicle's screw safety cover

Info

Publication number: CN216035122U
Application number: CN202122215780.XU
Authority: CN
Inventors: 高振峰; 武连全
Original assignee: China Criminal Police University
Current assignee: China Criminal Police University
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-03-15
Anticipated expiration: 2031-09-14

Abstract

The utility model relates to the technical field of police unmanned aerial vehicles, in particular to a propeller protective cover of a police unmanned aerial vehicle, which comprises a police unmanned aerial vehicle main body and a machine body, wherein the police unmanned aerial vehicle main body comprises the machine body, connecting rods are arranged on the periphery of the machine body, rotating propellers are arranged at the top ends of the connecting rods, a protective cover mechanism is arranged on the surface of the machine body, the protective cover mechanism comprises connecting blocks, the top ends of the four groups of connecting blocks are fixedly connected with the bottom ends of the four groups of connecting blocks respectively, and a damping mechanism is arranged on one side of a housing. The protective effect of the rotating paddle is ensured by the housing, the housing can be conveniently disassembled and installed, a user can conveniently replace and clean the housing, the protective effect of the rotating paddle is prevented from being influenced due to abrasion of the housing, the impact force of collision can be buffered, the normal rotation of the rotating paddle is prevented from being influenced due to overlarge vibration, and the abraded rubber plate can be replaced.

Description

It is alert with unmanned aerial vehicle's screw safety cover

Technical Field

The utility model relates to the technical field of police unmanned aerial vehicles, in particular to a propeller protective cover of a police unmanned aerial vehicle.

Background

The unmanned aerial vehicle for police is an important component of the civil field of the unmanned aerial vehicle, is an important embodiment of the beginning of military and civil integration of the unmanned aerial vehicle technology, needs more professional technical supports, can provide great help for police by equipment carried on the unmanned aerial vehicle for police, can be used for tracking of suspects and rescue work in complex landforms, and can provide powerful support for activities of police officers due to the function of conveying articles of the unmanned aerial vehicle;

police unmanned aerial vehicle's screw can be equipped with the safety cover mostly to the protection screw, however, current screw safety cover is difficult to dismantle and install mostly, when the safety cover appears damaging and polluting, the user is comparatively inconvenient to the maintenance and the cleanness of safety cover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a propeller protection cover of an unmanned aerial vehicle for police, which solves the problems that most of the existing propeller protection covers proposed in the background technology are difficult to disassemble and assemble, and when the protection covers are damaged and polluted, a user is inconvenient to maintain and clean the protection covers.

In order to achieve the purpose, the utility model provides the following technical scheme: a propeller protection cover of an unmanned aerial vehicle for police comprises an unmanned aerial vehicle body for police and a machine body, wherein the unmanned aerial vehicle body for police comprises the machine body, connecting rods are arranged on the periphery of the machine body, rotating paddles are arranged at the top ends of the connecting rods, a protection cover mechanism is arranged on the surface of the machine body and comprises four connecting blocks, the top ends of the four connecting blocks are fixedly connected with the bottom ends of the four connecting blocks respectively, slots are formed in the bottom ends of the connecting blocks respectively, a cover shell is arranged on one side of each rotating paddle, one end of each cover shell extends into the slots, a pressing groove is formed in one side of each cover shell, a pushing groove is formed in one side of each connecting block, a clamping block is arranged in each pressing groove, one end of each clamping block penetrates through the pressing groove and extends into the pushing groove, and a first spring is arranged in each pressing groove, the one end of first spring all with one side fixed connection of fixture block, the other end of first spring all with the inner wall fixed connection of indent, damper is all installed to one side of housing.

Preferably, both sides of the clamping block are fixedly connected with first sliding blocks, both sides of the inner wall of the pressure groove are provided with first sliding grooves matched with the first sliding blocks, both sides of the inner wall of the push groove are provided with moving grooves, one side of the connecting block is provided with a push rod, one end of the push rod extends into the push groove, both sides of the push rod are fixedly connected with moving blocks, one end of each moving block extends into the moving grooves, the inside of each moving groove is provided with a second spring, one end of each second spring is fixedly connected with one side of each moving block, and the other end of each second spring is fixedly connected with the inner wall of the moving groove.

Preferably, the fixture block is matched with the fixture block, the cross section of the fixture block is an inclined surface, and the inclined surface faces to the left side.

Preferably, damper includes the fixed block, four groups of fixed blocks of all even fixedly connected with in one side of housing, one side of fixed block all is provided with the push pedal, and the one end of push pedal all extends to the inside of fixed block, the inside of fixed block all evenly is provided with four groups of third springs, four groups the one end of third spring all with one side fixed connection of push pedal, four groups the other end of third spring all with the inner wall fixed connection of fixed block.

Preferably, one side of push pedal all is provided with the rubber slab, the all fixedly connected with second slider in both sides of push pedal, the inner wall of fixed block both sides all seted up with second slider matched with second spout, two sets of jacks have all been seted up on the surface of push pedal, the all fixedly connected with kelly in both sides of rubber slab, and the one end of kelly all extends to the inside of jack, the all fixedly connected with shelves pole in both sides of jack inner wall.

Preferably, one end of the clamping rod is arc-shaped, and one end of the blocking rod is arc-shaped.

Compared with the prior art, the utility model has the beneficial effects that: the protective effect of the rotating paddle is ensured by the housing, the housing can be conveniently disassembled and installed, the user can conveniently replace and clean the housing, the protective effect on the rotating paddle is prevented from being influenced due to abrasion of the housing, the impact force of collision can be buffered, the normal rotation of the rotating paddle is prevented from being influenced due to overlarge vibration, and the abraded rubber plate can be replaced;

1. by arranging the protective cover mechanism, the device protects the rotating propeller through the cover shell, when a user needs to maintain or clean the cover shell, the user can press the push rod to enable the push rod to extrude the fixture block out of the push groove, and then the user pulls out the cover shell from the slot, so that the device can conveniently disassemble and install the cover shell while ensuring the protective effect of the rotating propeller through the cover shell, the user can conveniently replace and clean the cover shell, the protective effect of the rotating propeller is prevented from being influenced by abrasion of the cover shell, and the practicability of the cover shell is ensured;

2. through being provided with damper, the device when the collision appears in the flight in-process, the rubber slab drives the push pedal and extrudees the third spring, the fixed block provides the interval of removal for the push pedal, cushion the vibrations of striking, when wearing and tearing appear in the rubber slab, the user can stimulate the rubber slab, make the kelly shift out the jack, the user can change the rubber slab, thereby make the device can cushion the impact of collision, prevent to shake too big, and influence the normal rotation of rotatory oar, guarantee the even running of the device, the user can change the rubber slab of wearing and tearing, guarantee the protecting effect and the good impression of rubber slab.

Drawings

FIG. 1 is a schematic sectional elevation view of the structure of the present invention;

FIG. 2 is a schematic top view cross-section of the structure of FIG. 1 at B-B in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of the structure shown at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic top view of the structure of the present invention.

In the figure: 100. a police unmanned aerial vehicle main body; 110. a body; 111. a connecting rod; 112. rotating the paddle; 200. a protective cover mechanism; 210. connecting blocks; 211. a slot; 212. a housing; 213. pushing the groove; 214. pressing a groove; 215. a clamping block; 216. a first spring; 217. a push rod; 218. a moving groove; 219. a moving block; 220. a second spring; 300. a damping mechanism; 310. a fixed block; 311. a third spring; 312. pushing the plate; 313. a rubber plate; 314. a jack; 315. a clamping rod; 316. a gear lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a propeller protection cover of a police unmanned aerial vehicle comprises a police unmanned aerial vehicle main body 100 and a machine body 110, wherein the police unmanned aerial vehicle main body 100 comprises the machine body 110, connecting rods 111 are arranged on the periphery of the machine body 110, rotating paddles 112 are arranged at the top ends of the connecting rods 111, a protection cover mechanism 200 is arranged on the surface of the machine body 110, the protection cover mechanism 200 comprises connecting blocks 210, the connecting blocks 210 are four groups, the top ends of the four groups of connecting blocks 210 are fixedly connected with the bottom ends of the four groups of connecting blocks 210 respectively, slots 211 are formed in the bottom ends of the connecting blocks 210, a cover 212 is arranged on one side of each rotating paddle 112, one end of each cover 212 extends into the corresponding slot 211, press grooves 214 are formed in one side of each cover 212, push grooves 213 are formed in one side of each connecting block 210, fixture blocks 215 are arranged in the press grooves 214, one ends of the fixture blocks 215 extend into the push grooves 213 after penetrating through the press grooves 214, and first springs 216 are arranged in the press grooves 214, one end of the first spring 216 is fixedly connected with one side of the fixture block 215, the other end of the first spring 216 is fixedly connected with the inner wall of the pressure groove 214, and one side of the housing 212 is provided with a damping mechanism 300;

further, both sides of the fixture block 215 are fixedly connected with a first slider, both sides of an inner wall of the pressing groove 214 are provided with first sliding grooves matched with the first slider, both sides of an inner wall of the pushing groove 213 are provided with moving grooves 218, one side of the connecting block 210 is provided with a push rod 217, one end of the push rod 217 extends into the pushing groove 213, both sides of the push rod 217 are fixedly connected with a moving block 219, one end of the moving block 219 extends into the moving groove 218, the inside of the moving groove 218 is provided with a second spring 220, one end of the second spring 220 is fixedly connected with one side of the moving block 219, the other end of the second spring 220 is fixedly connected with an inner wall of the moving groove 218, a moving track of the fixture block 215 is limited by the first sliding grooves and the first slider, stability of the fixture block 215 in a moving process is improved, the fixture block 215 is prevented from shifting during moving, a moving track of the push rod 217 is limited by the moving block 219 and the moving groove 218, the push rod 217 is convenient for a user to use, after the push rod 217 is loosened by the user, the second spring 220 rebounds and resets, the moving block 219 drives the push rod 217 to reset in the push groove 213 through the rebounding force of the second spring 220, the user does not need to manually pull the push rod 217 to reset, and the user can conveniently fix the fixture block 215;

further, the latch 215 is matched with the push groove 213, the cross section of the latch 215 is an inclined surface, the inclined surface faces to the left side, and by setting the left side surface of the latch 215 as the inclined surface, a user can press 216 the first spring to the right under force when inserting the latch 215;

further, the damping mechanism 300 comprises a fixed block 310, four groups of fixed blocks 310 are uniformly and fixedly connected to one side of the housing 212, a push plate 312 is arranged on one side of each fixed block 310, one end of each push plate 312 extends into the corresponding fixed block 310, four groups of third springs 311 are uniformly arranged inside each fixed block 310, one ends of the four groups of third springs 311 are fixedly connected to one side of each push plate 312, the other ends of the four groups of third springs 311 are fixedly connected to the inner wall of the corresponding fixed block 310, when the device collides in the flight process, the rubber plate 313 drives the push plates 312 to extrude the third springs 311, and the fixed blocks 310 provide moving intervals for the push plates 312 and buffer the colliding vibration;

further, one side of the push plate 312 is provided with a rubber plate 313, both sides of the push plate 312 are fixedly connected with a second sliding block, inner walls of both sides of the fixed block 310 are provided with second sliding grooves matched with the second sliding blocks, the surface of the push plate 312 is provided with two groups of jacks 314, both sides of the rubber plate 313 are fixedly connected with clamping rods 315, one end of the locking rod 315 extends into the insertion hole 314, the two sides of the inner wall of the insertion hole 314 are fixedly connected with a blocking rod 316, when the rubber plate 313 is worn, the user may pull the rubber plate 313 so that the catch 315 is moved out of the insertion hole 314, the user may replace the rubber plate 313, therefore, the device can buffer the impact force of collision, prevent overlarge vibration and influence on the normal rotation of the rotating paddle 112, ensure the stable operation of the device, ensure the protection effect and good impression of the rubber plate 313 because a user can replace the worn rubber plate 313;

furthermore, one end of the clamping rod 315 is arc-shaped, and one end of the blocking rod 316 is arc-shaped, so that the friction force on the surface of the clamping rod 315 is reduced, a user can conveniently control the clamping rod 315 to move into or out of the jack 314 for fixing, the clamping rod 315 is prevented from being blocked in the jack 314, and the fault tolerance is improved.

The working principle is as follows: when a user installs the cover 212, the end of the cover 212 is inserted into the insertion slot 211, so that the latch 215 abuts against the insertion slot 211 through the inclined surface, the latch 215 is pressed by the force of the first spring 216 and moves into the pressing slot 214, when the end of the cover 212 is inserted into a proper position, the latch 215 is not pressed, at this time, the first spring 216 rebounds and resets, the latch 215 is driven by the rebounding force of the first spring 216 to be inserted into the pushing slot 213, so as to complete the fixation, when the machine body 110 is in flight, the cover 212 protects the rotary paddle 112 on the connecting rod 111, when the user needs to maintain or clean the cover 212, the user can press the push rod 217, the push rod 217 drives the moving block 219 to move in the moving slot 218 and press the second spring 220, the push rod 217 presses the latch 215 from the pushing slot 213 into the pressing slot 214, then the user can pull the cover 212, so that the cover 212 moves out of the insertion slot 211, and when the push rod 217 is released, the second spring 220 is rebounded and reset, and the moving block 219 drives the push rod 217 to reset in the push groove 213 through the rebounding force of the second spring 220, so that a user can maintain or clean the push rod;

when the device collides with the rubber plate 313 in the flying process, the rubber plate 313 drives the push plate 312 to extrude the third spring 311, the fixed block 310 provides a moving interval for the push plate 312, and the fixed block is matched with the resilience of the third spring 311 to buffer the vibration force, when the rubber plate 313 is worn, a user can pull the rubber plate 313, so that the clamping rod 315 abuts against the blocking rod 316, the blocking rod 316 bends and deforms and slides across two sides of the clamping rod 315, after the clamping rod 315 is moved out of the jack 314, the user can replace the rubber plate 313, the clamping rod 315 on a new rubber plate 313 is inserted into the jack 314, the clamping rod 315 abuts against the blocking rod 316, the blocking rod 316 bends and deforms, after the clamping rod 315 is completely inserted into the jack 314, the blocking rod 316 rebounds to reset, the middle of the clamping rod 315 is clamped and fixed, and the fixation is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a screw safety cover of alert unmanned aerial vehicle, includes alert unmanned aerial vehicle main part (100) and organism (110) of using, its characterized in that: the police unmanned aerial vehicle main body (100) comprises a machine body (110), connecting rods (111) are installed on the periphery of the machine body (110), rotating paddles (112) are installed on the top ends of the connecting rods (111), a protection cover mechanism (200) is installed on the surface of the machine body (110), the protection cover mechanism (200) comprises connecting blocks (210), the connecting blocks (210) are four groups, the top ends of the four groups of connecting blocks (210) are fixedly connected with the bottom ends of the four groups of connecting blocks (210), slots (211) are formed in the bottom ends of the connecting blocks (210), a cover shell (212) is arranged on one side of each rotating paddle (112), one end of the cover shell (212) extends into the slots (211), pressure grooves (214) are formed in one side of the cover shell (212), push grooves (213) are formed in one side of the connecting blocks (210), and clamping blocks (215) are arranged in the pressure grooves (214), and one end of the clamping block (215) passes through the pressing groove (214) and extends to the inside of the pushing groove (213), the inside of the pressing groove (214) is provided with a first spring (216), one end of the first spring (216) is fixedly connected with one side of the clamping block (215), the other end of the first spring (216) is fixedly connected with the inner wall of the pressing groove (214), and one side of the housing (212) is provided with a damping mechanism (300).

2. The propeller protection cover of the police unmanned aerial vehicle as claimed in claim 1, wherein: the two sides of the clamping block (215) are fixedly connected with first sliding blocks, two sides of the inner wall of the pressing groove (214) are provided with first sliding grooves matched with the first sliding blocks, two sides of the inner wall of the pushing groove (213) are provided with moving grooves (218), one side of the connecting block (210) is provided with a push rod (217), one end of the push rod (217) extends into the pushing groove (213), two sides of the push rod (217) are fixedly connected with moving blocks (219), one end of each moving block (219) extends into the moving grooves (218), the inside of each moving groove (218) is provided with a second spring (220), one end of each second spring (220) is fixedly connected with one side of each moving block (219), and the other end of each second spring (220) is fixedly connected with the inner wall of each moving groove (218).

3. The propeller protection cover of the police unmanned aerial vehicle as claimed in claim 2, wherein: the fixture block (215) is matched with the fixture block (213), the cross section of the fixture block (215) is an inclined surface, and the inclined surface faces to the left side.

4. The propeller protection cover of the police unmanned aerial vehicle as claimed in claim 1, wherein: damper (300) are including fixed block (310), four groups of fixed block (310) of the equal even fixedly connected with in one side of housing (212), one side of fixed block (310) all is provided with push pedal (312), and the one end of push pedal (312) all extends to the inside of fixed block (310), the inside of fixed block (310) all evenly is provided with four groups of third spring (311), four groups the one end of third spring (311) all with one side fixed connection of push pedal (312), four groups the other end of third spring (311) all with the inner wall fixed connection of fixed block (310).

5. The propeller protection cover of the police unmanned aerial vehicle as claimed in claim 4, wherein: one side of push pedal (312) all is provided with rubber slab (313), the all fixedly connected with second slider in both sides of push pedal (312), the inner wall of fixed block (310) both sides all has been seted up with second slider matched with second spout, two sets of jack (314) have all been seted up on the surface of push pedal (312), the all fixedly connected with kelly (315) in both sides of rubber slab (313), and the one end of kelly (315) all extends to the inside of jack (314), the all fixedly connected with shelves pole (316) in both sides of jack (314) inner wall.

6. The propeller protection cover of the police unmanned aerial vehicle as claimed in claim 5, wherein: one end of the clamping rod (315) is arc-shaped, and one end of the blocking rod (316) is arc-shaped.