CN211442744U

CN211442744U - Folding undercarriage and unmanned aerial vehicle

Info

Publication number: CN211442744U
Application number: CN201922358184.XU
Authority: CN
Inventors: 罗君
Original assignee: Zhuhai Sv Tech Co ltd
Current assignee: Zhuhai Sv Tech Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-08
Anticipated expiration: 2029-12-24

Abstract

The utility model provides a folding undercarriage and unmanned aerial vehicle, which comprises a bracket, the supporting leg subassembly, locking subassembly and elastic component, be provided with the spout on the support, the supporting leg subassembly includes latch fitting and branch, the latch fitting is provided with locked groove and guide face, the latch fitting is connected with branch, branch articulates in the support, locked groove and guide face are located the both sides relative on the branch rotation direction, the locking subassembly includes lock post and operating parts, the lock post sets up in the spout and can follow the spout and slide, lock post and locked groove block, operating parts and lock leg joint, the elastic component is connected between lock post and support. Foldable undercarriage is realized through articulated branch that sets up for unmanned aerial vehicle occupation space is little after folding, solves to deposit and transport the requirement to the space, also conveniently folds and expandes the use, and reliable and stable.

Description

Folding undercarriage and unmanned aerial vehicle

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle and specifically relates to a folding undercarriage and unmanned aerial vehicle are related to.

Background

The unmanned aerial vehicle is a general name of the unmanned aerial vehicle, and is provided with an automatic pilot, a program control device and other equipment. Ground personnel can track, locate, remotely control, telemeter and digitally transmit the ground personnel through equipment such as radar and the like. Compared with manned aircraft, it has the advantages of small volume, low cost, convenient use, etc. The wing folding type unmanned aerial vehicle changes the shape of the wings in a folding mode under different flight requirements, the wings are completely unfolded to facilitate taking off or cruising, and the wings are contracted to facilitate high-speed or maneuvering flight and save space for storage.

Present unmanned aerial vehicle is more and more high to the volume requirement, stability and intensity when both having satisfied the flight and descending, toughness requirement, and require to reduce shared space volume on the way in the transportation, can fold simultaneously to folding mode will be reliable enough, simple, easy-to-use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose provides a can conveniently fold expansion and reliable and stable folding undercarriage.

A second object of the utility model is to provide an unmanned aerial vehicle with foretell folding undercarriage.

In order to realize the utility model discloses a first purpose, the utility model provides a folding undercarriage, which comprises a bracket, the supporting leg subassembly, locking Assembly and elastic component, be provided with the spout on the support, the supporting leg subassembly includes latch fitting and branch, the latch fitting is provided with locked groove and guide face, the latch fitting is connected with branch, branch articulates in the support, locked groove and guide face are located the relative both sides on the branch rotation direction, the locking Assembly includes lock post and operating parts, the lock post sets up in the spout and can follow the spout and slide, lock post and locked groove block, the operating parts is connected with the lock post, the elastic component is connected between lock post and support.

It is visible by above-mentioned scheme, the landing gear of folded cascade is realized to branch through articulated setting, make unmanned aerial vehicle after folding occupation space little, the solution is deposited and is transported the requirement to the space, and be provided with the latch fitting on branch, utilize arranging of locked groove and guide face, then guide face is after contacting with the locked column, the locked column slides in the spout, then fall into to the locked groove and realize the block, the elasticity at cooperation elastic component resets and stabilizes, remove operating parts alright realize locked column and locked groove separation during the unblock, then realize convenient folding use of expandeing, and reliable and stable.

In a further scheme, the supporting leg assembly further comprises a joint part, the supporting rod penetrates through the joint part, the joint part is hinged with the support, and the supporting rod is made of a carbon material.

In a further scheme, the joint part is made of polyformaldehyde materials.

It is from top to bottom seen that use carbon to make as branch, existing intensity has toughness again, and the foot rest that expandes when descending can guarantee the steady of descending, and the effectual reduction of toughness of carbon branch is descended and is strikeed, and polyformaldehyde's joint spare has both played wear-resisting rotation effect, also plays the folding effect of damping, prevents that branch is not hard up, provides certain holding power for branch.

The supporting leg assembly comprises a silica gel ball, and the locking piece and the silica gel ball are respectively arranged at two ends of the supporting rod.

Therefore, the silica gel ball can play a role in wear resistance and buffering.

A further scheme is that the folding undercarriage further comprises a limiting column, the limiting column is fixedly connected with the support and located above the locking piece, the locking groove is provided with an opening downwards, and the locking column is located below the limiting column.

From top to bottom, the spacing post that is located the top provides limiting displacement for the rotation of latch fitting and branch, specifically provides spacingly for the supporting leg subassembly when unmanned aerial vehicle flies.

The further scheme is that a fixed connecting end is arranged above the support, and a free connecting end is arranged below the support.

The further scheme is that the support is provided with two parallel arrangement's spout, and the locking subassembly includes two lock posts, and two equal operating parts of lock post are connected, and a lock post sets up in a spout, a lock post and locked groove block, and another lock post is connected with the elastic component.

Therefore, one lock cylinder mainly plays a role in locking and supporting, and the other lock cylinder is used for being connected with the elastic piece and receiving elastic force, so that the locking structure is stable and reliable.

The support comprises two supporting pieces which are connected with each other, two sliding grooves respectively penetrate through the two supporting pieces along the thickness direction, a lock column penetrates through one sliding groove, and a locking piece and a supporting rod are positioned between the two supporting pieces; the locking assembly comprises a connecting piece, the connecting piece is connected between the two lock columns, the connecting piece and the operating piece are both located on the outer sides of the two support pieces, and the connecting piece and the operating piece are respectively located on the axial end portions of the lock columns.

From top to bottom, it is spacing to latch fitting and branch to utilize interconnect's branch piece, and connecting piece and operating parts are located arranging of both sides, provide stable and reasonable structural layout for each device.

In order to realize the utility model discloses the second purpose, the utility model provides an unmanned aerial vehicle, include the folding undercarriage as above-mentioned scheme.

Still further scheme is, unmanned aerial vehicle includes organism and at least three folding undercarriage, and the top of support is provided with the fixed connection end, and the below of support is provided with the free link end, and the fixed connection end and the organism of at least three folding undercarriage are connected, and the free link end of at least three folding undercarriage is connected.

It is thus clear that at least three fixed connection end is connected with the organism, and the free link of below then corresponds respectively to be connected and can form stable connection, then does not occupy the space of arranging on the organism.

Drawings

Fig. 1 is the utility model discloses a structure diagram of unmanned aerial vehicle embodiment under the expansion state.

Fig. 2 is the utility model discloses a structure diagram of unmanned aerial vehicle embodiment under fold condition.

Fig. 3 is a structural diagram of the foldable landing gear in the unmanned aerial vehicle embodiment of the present invention in the unfolded state.

Fig. 4 is an exploded view of a folding undercarriage in an embodiment of the drone of the present invention.

Fig. 5 is the partial structure diagram of the folding undercarriage in the unlocked state in the embodiment of the unmanned aerial vehicle of the present invention.

Fig. 6 is a structural diagram of a folding landing gear in an embodiment of the unmanned aerial vehicle of the present invention in a folded state.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 6, the unmanned aerial vehicle includes four folding undercarriage 2, organism 11 and four blade assembly 12, and four blade assembly 12 set up in the periphery of organism 11, and folding undercarriage 2 is located the below of blade assembly 12, and four folding undercarriage 2 are connected in the periphery of organism 11 along circumference.

The folding undercarriage 2 comprises a support, a support leg assembly, a locking assembly, an elastic piece 215 and a limiting column 214, the support comprises two support pieces 21 which are connected with each other, the two support pieces 21 are arranged in parallel, two

sliding grooves

211 and 212 respectively penetrate through the two support pieces 21 along the thickness direction, a sliding groove 211 and a sliding groove 212 are arranged on the support, the sliding groove 211 and the sliding groove 212 both extend in parallel along the horizontal direction, the sliding groove 211 and the sliding groove 212 both penetrate through the two support pieces 21 along the thickness direction of the support pieces 21, a fixed connecting end 216 is arranged above the support, and a free connecting end 217 is arranged below the support. The fixed connection ends 216 of the four folding undercarriages 2 are connected to the body 11, and the free connection ends 217 of the four folding undercarriages 2 are connected together by a connection piece.

The supporting leg subassembly includes silica gel ball 45, joint piece 43, latch fitting 42 and branch 41, joint piece 43 adopts Polyoxymethylene (POM) material to make, branch 41 adopts the carbon pole that carbon material made, joint piece 43, latch fitting 42 and branch 41 all set up between two branch pieces 21, latch fitting 42 and silica gel ball 45 set up respectively on branch 41's both ends, joint piece 43 is provided with the mounting groove, the mounting groove intercommunication sets up and has the shape groove, branch 41 passes the mounting groove of joint piece 43, the screw passes the shape groove, then make the mounting groove can be to branch 41 adjustable regulation centre gripping setting, joint piece 43's upper end and support are articulated.

The latch fitting 42 is provided with a lock groove 421 and a guide surface 422, the lock groove 421 and the guide surface 422 are located on two opposite sides of the rotation direction of the supporting rod 41, the guide surface 422 is arranged in an outward convex arc surface, the lock groove 421 is provided with an opening downwards, the limiting column 214 is fixedly connected with the two supporting pieces 21 and located above the latch fitting 42, and the limiting column 214 can be in limit abutment with the latch fitting 42.

The locking assembly comprises a lock column 31, a lock column 32, a connecting piece 35 and an operating piece 33, wherein the lock column 31 penetrates through the sliding groove 211, the lock column 32 penetrates through the sliding groove 212, a fixing column 213 is further connected between the two supporting pieces, the elastic piece 215 adopts a spring, and the elastic piece 215 is connected between the lock column 31 and the fixing column 213. The lock column 32 is located below the limiting column 214, the lock column 32 is clamped with the lock groove 421, the connecting piece 35 and the operating piece 33 are located on the outer sides of the two support pieces 21, the connecting piece 35 and the operating piece 33 are located on the axial end portions of the

lock columns

31 and 32 respectively, the connecting piece 35 is connected between the first end portion of the lock column 31 and the first end portion of the lock column 32, the operating piece 33 is connected between the second end portion of the lock column 31 and the second end portion of the lock column 32, and the operating piece 33 is provided with an operating portion 34 on the outer side of the machine body 11.

Referring to fig. 4 and 5, by pushing the operating member 33, the lock cylinder 31 and the lock cylinder 32 respectively move along the sliding slot, and then the lock cylinder 32 is separated from the locking slot 421, and referring to fig. 6, the strut 41 is then rotated, and the joint member is used for damping positioning, and then the rotation and folding of the strut 41 are realized. When the unmanned aerial vehicle is unfolded for use, the support rods 41 are rotated, the guide surface 422 is matched with the lock column 32 in a sliding guide mode, the lock column 31 is enabled to be clamped with the lock groove 421 under the elastic force of the elastic piece 215, and then the unmanned aerial vehicle is supported by the four support rods 41 and the silica gel balls 45.

From top to bottom, the landing gear of folded cascade is realized to branch through articulated setting, make unmanned aerial vehicle after folding occupation space little, the solution is deposited and is transported the requirement to the space, and be provided with the latch fitting on branch, utilize arranging of locked groove and guide face, then guide face is after contacting with the locked groove, the locked groove slides in the spout, then fall into to the locked groove and realize the block, the elasticity at cooperation elastic component resets and stabilizes, remove operating parts alright realize locked groove and locked groove separation during the unblock, then realize convenient folding use of expandeing, and reliable and stable.

Claims

1. Folding undercarriage, characterized in that includes:

the bracket is provided with a sliding groove;

the support leg assembly comprises a locking piece and a support rod, the locking piece is provided with a locking groove and a guide surface, the locking piece is connected with the support rod, the support rod is hinged to the support, and the locking groove and the guide surface are positioned on two opposite sides of the support rod in the rotating direction;

the locking assembly comprises a locking column and an operating piece, the locking column is arranged in the sliding groove and can slide along the sliding groove, the locking column is clamped with the locking groove, and the operating piece is connected with the locking column;

an elastic member connected between the lock cylinder and the bracket.

2. A folding landing gear according to claim 1, wherein:

the supporting leg assembly further comprises a joint piece, the supporting rod penetrates through the joint piece, the joint piece is hinged to the support, and the supporting rod is made of carbon materials.

3. A folding landing gear according to claim 2, wherein:

the joint piece is made of polyformaldehyde materials.

4. A folding landing gear according to claim 1, wherein:

the supporting leg assembly comprises a silica gel ball, and the locking piece and the silica gel ball are arranged at two ends of the supporting rod respectively.

5. A folding landing gear according to claim 1, wherein:

folding undercarriage still includes spacing post, spacing post with support fixed connection just is located the top of latch fitting, the locked groove is provided with uncovered down, the lock is located the below of spacing post.

6. A folding landing gear according to claim 1, wherein:

the top of support is provided with fixed link, the below of support is provided with the free link.

7. A folding landing gear according to any of claims 1 to 6, wherein:

be provided with two parallel arrangement on the support the spout, the locking Assembly includes two the lock post, two the lock post all with the operating parts is connected, one the lock post sets up in one in the spout, one the lock post with the locked groove block, another the lock post with the elastic component is connected.

8. A folding landing gear according to claim 1, wherein:

the support comprises two supporting pieces which are connected with each other, the two sliding grooves respectively penetrate through the two supporting pieces along the thickness direction, one locking column penetrates through one sliding groove, and the locking piece and the supporting rod are both positioned between the two supporting pieces;

the locking assembly comprises a connecting piece, the connecting piece is connected between the two lock columns, the connecting piece and the operating piece are both located on the outer sides of the support pieces, and the connecting piece and the operating piece are respectively located on the axial end portions of the lock columns.

9. Unmanned aerial vehicle comprising a folding landing gear according to any of claims 1 to 8.

10. A drone according to claim 9, characterized in that:

unmanned aerial vehicle includes organism and at least three folding undercarriage, the top of support is provided with the fixed connection end, the below of support is provided with the free link end, and is at least three folding undercarriage the fixed connection end with the organism is connected, and is at least three folding undercarriage's free link end is connected.