CN217961285U

CN217961285U - Toy helicopter

Info

Publication number: CN217961285U
Application number: CN202221221552.1U
Authority: CN
Inventors: 曹建富
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-12-06
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a toy helicopter, which comprises a fuselage, the paddle unit, drive unit, and drive mechanism all install in the fuselage, the paddle unit includes first paddle subassembly and second paddle subassembly, drive unit includes first drive arrangement and second drive arrangement, drive mechanism includes first transmission shaft and secondary drive axle, but first drive arrangement and first paddle subassembly pass through the cooperation of first transmission shaft transmission, but second drive arrangement and second paddle subassembly pass through the cooperation of secondary drive axle transmission, but first transmission shaft cup joints with secondary drive axle relative rotation. The utility model respectively controls the rotating speed and/or rotating direction of the two paddle components through the two driving devices, so as to realize the technical effect of asynchronous rotation of the paddle components; meanwhile, the transmission mechanism is composed of transmission shafts which are sleeved with each other, and the technical effects of simplifying the internal structure, saving the internal space and reducing the weight of the product are achieved.

Description

Toy helicopter

Technical Field

The utility model relates to a toy technical field, more specifically relates to a toy helicopter.

Background

The existing toy helicopters generally include a body main body, a blade unit that generates a lifting force by rotating, and a driving device for powering the blade unit. Blade unit structures of double-layer propellers gradually appear in the market, so that the toy helicopter is more three-dimensional. However, the double-layer propeller blades in the prior art can only rotate in one direction, or the two sets of independent driving systems are required to realize multi-directional or same-directional rotation with different rotating speeds. For the two sets of independent driving systems, the toy helicopter which is not in a one-way or non-same-speed type is realized, the internal structure is more complex, and the occupied space is larger.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first aim at to above-mentioned defect with not enough, cup joint and can realize that two sets of actuating system combine in order to simplify the form of structure through setting up the transmission shaft that rotates relatively, solve above-mentioned technical defect, consequently, provide a toy helicopter.

In order to achieve the above object, the utility model discloses a specific technical scheme be:

toy helicopter, including fuselage, paddle unit, drive unit and drive mechanism all install in the fuselage, the paddle unit includes first paddle subassembly and second paddle subassembly, drive unit is including first drive arrangement and the second drive arrangement who is used for providing rotary power for the paddle unit, drive mechanism includes first transmission shaft and second transmission shaft, but first drive arrangement and first paddle subassembly pass through first transmission shaft transmission cooperation, but second drive arrangement and second paddle subassembly pass through second transmission shaft transmission cooperation, but first transmission shaft cup joints with second transmission shaft relatively rotating.

Preferably, the first driving device and the second driving device are both provided with output gear shafts, and the first transmission shaft and the second transmission shaft are both connected with the output gear shafts in a meshing manner through transmission gears.

Preferably, a reinforcing sleeve is convexly arranged at the part, matched with the output gear shaft, of the transmission gear.

Preferably, first paddle subassembly and second paddle subassembly all include base and paddle, the paddle passes through the pivot with the base and rotationally connects for realize that the paddle is received and close in the base.

Preferably, a clamping position is arranged in the base, a clamping block is arranged on the paddle corresponding to the clamping position, and the unfolding state of the paddle is kept through the matching of the clamping block and the clamping position.

Preferably, the paddle is matched with the rotating shaft clamping sleeve through a shaft hole with a notch, and is used for quickly dismounting the paddle.

Preferably, the toy helicopter also comprises a tail rod connected with the helicopter body, and the tail rod is also connected with the helicopter body through a support rod and used for reinforcing the structural strength; the supporting rod comprises two rod bodies which are obliquely arranged from the machine body to the tail rod, and the tail rod and the supporting rod jointly form a triangular framework.

Preferably, the support rod is connected with the tail rod through a fixing plate, and the fixing plate is arranged into a triangular structure sharp towards the flight direction.

Preferably, the tail rod is provided at a distal end thereof with a wing plate protruding downward, and the protruding portion has a gradually pointed shape.

Preferably, the top of the paddle unit is provided with a balance rod, and the balance rod is connected with the paddle unit through a support structure; the support comprises a plurality of supporting pieces arranged on the peripheral side at intervals and a frame body arranged at the tops of the supporting pieces.

Preferably, the transmission mechanism further comprises a support sleeve, and the support sleeve is sleeved outside the first transmission shaft and/or the second transmission shaft.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model provides a toy helicopter, a first driving device is used for driving a first paddle component to rotate, a second driving device is used for driving a second paddle component to rotate, and the rotating speed and/or the rotating direction of the first paddle component and the second paddle component are respectively controlled by the two driving devices so as to realize the technical effect of asynchronous rotation of the first paddle component and the second paddle component; meanwhile, the transmission mechanism is composed of a first transmission shaft and a second transmission shaft which are mutually sleeved, and the technical effects of simplifying the internal structure, saving the internal space and reducing the weight of the product are achieved through a sleeved mode.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a toy helicopter according to a preferred embodiment of the present invention.

Fig. 2 is a schematic view of the internal explosion structure of the toy helicopter according to the preferred embodiment of the present invention.

Fig. 3 is a schematic view of the internal structure of the toy helicopter according to the preferred embodiment of the present invention.

Fig. 4 is a schematic structural view of a blade assembly in a preferred embodiment of the present invention.

Description of reference numerals:

10 fuselage, 20 paddle units, 21 first paddle components, 22 second paddle components, 23 base, 231 screens, 24 paddles, 241 fixture blocks, 25 shaft holes, 30 driving units, 31 first driving devices, 32 second driving devices, 33 first output gear shafts, 34 second output gear shafts, 40 transmission mechanisms, 41 first transmission shafts, 42 second transmission shafts, 43 first transmission gears, 44 second transmission gears, 45 reinforcing sleeves, 50 tail rods, 60 supporting rods, 70 fixing plates, 80 wing-shaped plates, 90 balance rods, 1010 supporting pieces, 1020 frame bodies and 1030 supporting sleeves.

Detailed Description

The present invention is further explained and illustrated by the following embodiments, it should be understood that the following embodiments are for the purpose of making the technical solution of the present invention clearer and easier to understand, and do not limit the scope of the claims.

Toy helicopter, including fuselage 10, paddle unit 20, drive unit 30 and drive mechanism 40 are all installed in fuselage 10, paddle unit 20 includes first paddle subassembly 21 and second paddle subassembly 22, drive unit 30 is including first drive arrangement 31 and the second drive arrangement 32 that is used for providing rotary power for paddle unit 20, drive mechanism 40 includes first transmission shaft 41 and second transmission shaft 42, but first drive arrangement 31 and first paddle subassembly 21 pass through first transmission shaft 41 transmission cooperation, but second drive arrangement 32 and second paddle subassembly 22 pass through second transmission shaft 42 transmission cooperation, but first transmission shaft 41 cup joints with second transmission shaft 42 relatively rotating.

In a preferred embodiment, the first driving device 31 and the second driving device 32 are both provided with output gear shafts, and the first transmission shaft 41 and the second transmission shaft 42 are both connected with the output gear shafts in a meshing manner through transmission gears.

In a preferred embodiment, a reinforcing sleeve 45 is protrusively provided on the transmission gear at the position where the transmission gear is engaged with the output pinion.

In a preferred embodiment, each of the first paddle assembly 21 and the second paddle assembly 22 includes a base 23 and a paddle 24, and the paddle 24 is rotatably connected to the base 23 through a rotating shaft for folding the paddle 24 to the base 23.

In a preferred embodiment, the base 23 is provided with a detent 231 therein, the paddle 24 is provided with a detent 241 corresponding to the detent 231, and the extended state of the paddle 24 is maintained by the engagement of the detent 241 with the detent 231.

In a preferred embodiment, the paddle 24 is fitted with the spindle sleeve through a notched shaft hole 25 for quick assembly and disassembly of the paddle 24.

In a preferred embodiment, the toy helicopter further comprises a tail rod 50 connected to the fuselage 10, the tail rod 50 further connected to the fuselage 10 by a support rod 60 for structural strength; the supporting rods comprise two rod bodies which are obliquely arranged from the machine body 10 to the tail rod 50, and the tail rod 50 and the supporting rods jointly form a triangular framework.

In the preferred embodiment, the support rods are connected to the tail rod 50 by a fixing plate 70, and the fixing plate 70 is configured in a triangular structure pointed in the flight direction.

In a preferred embodiment, the tail rod 50 is provided at its distal end with a flight 80, the flight 80 projecting downward, and the projecting portion being gradually sharp.

In a preferred embodiment, a balancing rod 90 is arranged on the top of the paddle unit 20, and the balancing rod 90 is connected with the paddle unit 20 through a bracket structure; the stent includes a plurality of supporting members 1010 disposed at intervals on the peripheral side, and a frame 1020 disposed on the top of the supporting members 1010.

In a preferred embodiment, the transmission mechanism 40 further includes a supporting sleeve 1030, and the supporting sleeve 1030 is sleeved outside the first transmission shaft 41 and/or the second transmission shaft 42.

The present invention will be further described with reference to the following specific examples.

Examples

The present embodiment provides a toy helicopter, as shown in fig. 2 and 3, including a fuselage 10, a first blade assembly 21, a second blade assembly 22, a first driving device 31, a second driving device 32, and a transmission mechanism 40; the first paddle assembly 21 and the second paddle assembly 22 are respectively connected with a first driving device 31 and a second driving device 32 through a transmission mechanism 40, the first driving device 31 comprises a motor and a first output gear shaft 33 connected with the motor; the second driving device 32 includes a motor, and a second output gear shaft 34 connected to the motor; the transmission mechanism 40 comprises a support sleeve 1030, a first transmission shaft 41 and a second transmission shaft 42, and the support sleeve 1030, the first transmission shaft 41 and the second transmission shaft 42 are sleeved and connected in a relatively rotatable manner; the first transmission shaft 41 is meshed with the first output gear shaft 33 through a first transmission gear 43 and is connected with the first paddle component 21, and the second transmission shaft 42 is meshed with the second output gear shaft 34 through a second transmission gear 44 and is connected with the second paddle component 22; the motor is used for driving the first blade assembly 21 to rotate, the motor is used for driving the second blade assembly 22 to rotate, and the two motors are used for respectively controlling the rotating speed and/or the rotating direction of the first blade assembly 21 and the second blade assembly 22 so as to realize the technical effect of asynchronous rotation of the first blade assembly 21 and the second blade assembly 22; meanwhile, the transmission mechanism 40 is composed of a first transmission shaft 41 and a second transmission shaft 42 which are sleeved with each other, and the technical effects of simplifying the internal structure, saving the internal space and reducing the weight of the product are achieved in a sleeved mode.

In addition, in order to enhance the structural strength of the transmission matching part, the first transmission gear 43 is in sleeve matching with the first transmission shaft 41 through a reinforcing sleeve 45, and the reinforcing sleeve 45 is arranged at least protruding one side of the first transmission gear 43.

In addition, in order to reinforce the structural strength of the transmission matching part, the second transmission gear 44 is in sleeve matching with the second transmission shaft 42 through a reinforcing sleeve 45, and the reinforcing sleeve 45 is arranged at least protruding one side of the second transmission gear 44.

In addition, the first paddle assembly 21 includes a base 23, a paddle 24, and the paddle 24 is rotatably connected with the base 23 through a rotating shaft; through the rotation of paddle 24, realize that paddle 24 receipts are closed in base 23 to reduce the space, conveniently accomodate.

In addition, as shown in fig. 4, a clamping groove (a specific form of the clamping position 231) is formed at the connection position of the base 23, and a clamping block 241 is arranged at the corresponding position of the blade 24, so that the blade 24 is ensured to be kept in the extending state through the matching of the clamping block 241 and the clamping groove.

Specifically, paddle 24 cooperates with the rotating shaft sleeve through shaft hole 25 with a notch, and paddle 24 can be quickly disassembled and assembled through the notch.

In addition, as shown in fig. 1, the toy helicopter further includes a tail rod 50, and the tail rod 50 and the fuselage 10 are reinforced in structural strength by supporting rods.

Specifically, the support rod includes two rod bodies inclined from the body 10 to the tail rod 50, and the support rod and the tail rod 50 together form a triangular framework.

Specifically, the support rod is connected with the tail rod 50 through a fixing plate 70, and the fixing plate 70 is arranged to be a triangular structure sharp towards the flight direction, so that the flight resistance can be reduced, and the fluid mechanics law is met.

In addition, the tail rod 50 is provided at its distal end with a flight plate 80, which serves to provide the aircraft with a better flight.

Specifically, the flight 80 protrudes downward, and the protruding portion has a gradually sharp shape.

In addition, the top of the assembly of blades 24 is provided with a balancing bar 90, and the balancing bar 90 is connected with the blade unit 20 through a bracket.

Specifically, the stent includes a plurality of supporting members 1010 disposed at intervals around the circumference, and a frame 1020 disposed on top of the supporting members 1010. The support is composed of a support 1010 and a frame 1020, and forms a ventilating space in the volume, so that the flight resistance of the airplane is reduced.

The present invention has been described in terms of embodiments, but not limitations, and other variations of the disclosed embodiments, as would be readily apparent to one skilled in the art, are intended to be included within the scope of the present invention as defined in the following claims, in view of the description of the present invention.

Claims

1. A toy helicopter, characterized in that: comprises a machine body (10), a paddle unit (20), a driving unit (30) and a transmission mechanism (40); the paddle unit (20), the driving unit (30) and the transmission mechanism (40) are all arranged on the machine body (10); the blade unit (20) comprises a first blade assembly (21) and a second blade assembly (22); the drive unit (30) comprises a first drive means (31) and a second drive means (32) for providing a rotational power to the blade unit (20); the transmission mechanism (40) comprises a first transmission shaft (41) and a second transmission shaft (42), the first driving device (31) is in transmission fit with the first blade assembly (21) through the first transmission shaft (41), and the second driving device (32) is in transmission fit with the second blade assembly (22) through the second transmission shaft (42); the first transmission shaft (41) and the second transmission shaft (42) are sleeved in a rotatable mode.

2. The toy helicopter of claim 1, wherein: the first driving device (31) and the second driving device (32) are both provided with output gear shafts, and the first transmission shaft (41) and the second transmission shaft (42) are both connected with the output gear shafts in a meshing mode through transmission gears.

3. The toy helicopter of claim 2, wherein: and a reinforcing sleeve (45) is convexly arranged at the matching part of the transmission gear and the output gear shaft.

4. The toy helicopter of claim 1, wherein: first paddle subassembly (21) and second paddle subassembly (22) all include base (23) and paddle (24), paddle (24) are connected through the pivot is rotationally with base (23) for realize paddle (24) receipts in base (23).

5. The toy helicopter of claim 4, wherein: the paddle is characterized in that a clamping position (231) is arranged in the base (23), a clamping block (241) is arranged on the paddle (24) corresponding to the clamping position (231), and the unfolding state of the paddle (24) is kept through the matching of the clamping block (241) and the clamping position (231).

6. The toy helicopter of claim 4, wherein: paddle (24) are through shaft hole (25) that have the breach and the cooperation of pivot cutting ferrule for paddle (24) quick assembly disassembly.

7. The toy helicopter of claim 1, wherein: the toy helicopter also comprises a tail rod (50) connected with the helicopter body (10), wherein the tail rod (50) is also connected with the helicopter body (10) through a support rod (60) and is used for reinforcing the structural strength; the supporting rod (60) comprises two rod bodies which are obliquely arranged from the machine body (10) to the tail rod (50), and the tail rod (50) and the supporting rod jointly form a triangular framework.

8. The toy helicopter of claim 7, wherein: the supporting rod (60) is connected with the tail rod (50) through a fixing plate (70), and the fixing plate (70) is arranged to be of a sharp triangular structure towards the flying direction.

9. The toy helicopter of claim 7, wherein: the tail end of the tail rod (50) is provided with a wing plate (80), the wing plate (80) protrudes downwards, and the protruding part is in a gradually sharp shape.

10. The toy helicopter of claim 1, wherein: the top of the paddle unit (20) is provided with a balance rod (90), and the balance rod (90) is connected with the paddle unit (20) through a support structure; the support comprises a plurality of supporting pieces (1010) arranged on the peripheral side at intervals, and a frame body (1020) arranged at the tops of the supporting pieces (1010).