CN201139949Y

CN201139949Y - Remote-controlled helicopter

Info

Publication number: CN201139949Y
Application number: CNU2007200557665U
Authority: CN
Inventors: 贺龙华; 徐文宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-14
Filing date: 2007-08-14
Publication date: 2008-10-29
Anticipated expiration: 2017-08-14

Abstract

The utility model discloses a remotely piloted helicopter, which comprises a casing, a base, an upper rotor wing, a lower rotor wing, a motor, a driving gear group and a controller, wherein the driving gear group is connected with the motor, the motor and the driving gear group are mounted on the base, the base is equipped with a rotational shaft and a rotational pipe, the lower portion of the shaft is coated in the pipe, and the shaft and the pipe are respectively connected with the driving gear group. The technical scheme comprises that the lower rotor wing is coated on the pipe, the upper rotor wing is movably coated on the upper end of the shaft, a protecting sleeve is coated at the upper portion of the shaft, the lower end of the protecting sleeve is movably sleeved outside the pipe, the base is equipped with a counter bore, an elastic sheet which is elastically contacted with the shaft is placed at the bottom portion of the counter bore, and the lower end of the shaft is inserted in the counter bore. The utility model provides a remotely piloted helicopter which is stable in flying and high in anti-impact performance.

Description

RC Goblin

[technical field]

The utility model relates to a kind of toy, furtherly be a kind ofly to utilize up and down two pairs of rotors to make positive and reverse return then produce lift variation and the RC Goblin of direction change.

[background technology]

The characteristics of double-vane RC Goblin are: with two pairs of rotors on an axis, a pair of is the positive rotation rotor, and another offsets the derotation power that produces when two pairs of rotors rotate thus to being the despining rotor.When two pairs of rotors quickened simultaneously or slow down, helicopter rose or descends.When a pair of rotor acceleration, when another slowed down to rotor, helicopter just turned to.

The double-vane RC Goblin of Xiao Shouing mostly is the relatively large coaxial double-vane RC Goblin of oily power in the market, and is big because of danger, cost is high, output is low, complex process can not form mass selling; Electric power double-vane RC Goblin adopts controlled in wireless, and helicopter can fly freely, and is recreational strong, but the electric power RC Goblin is unstable because of the double-vane rotation, makes helicopter very unstable in flight course, waves big; Simultaneously, since electronic helicopter in actual use inevitably with rigid object collision, as when landing and collision on the ground, during flight and the collision of obstacle such as wall, often because of collision destroys, the rotor when especially landing on the rotating shaft is big at landing moment impulse force, and rotating shaft tends to hit under very big momentum effect wears the main shaft support point, make gear and motor gear on the rotating shaft break away from, influence helicopter and fly once more.Therefore, be necessary to improve the structure of existing helicopter, to strengthen its practical performance.

[utility model content]

The utility model has overcome above-mentioned technical deficiency, and a kind of flight stability, RC Goblin that anti-collision performance is strong are provided.

For achieving the above object, the utility model has adopted following technical proposal:

A kind of RC Goblin, include casing, support, go up rotor and following rotor, motor, the driving gear set that links to each other with motor and controller, motor and driving gear set are installed on the support, rotatable axle and pipe are housed on the support, and the axle bottom is sleeved in the pipe, and axle links to each other with above-mentioned driving gear set respectively with pipe, it is characterized in that: described rotor down is sleeved on the pipe, the described rotor movable set of going up is in the axle upper end, and axle top is arranged with protective jacket, and protective jacket lower end movable set is outside aforementioned tube;

Support is provided with counterbore as mentioned above, is placed with the little steel ball of cushioning effect together in the counterbore bottom, and described axle lower end is inserted in the counterbore;

Support is provided with counterbore as mentioned above, be placed with in counterbore bottom one can with the shell fragment of described axle Elastic Contact, described axle lower end is inserted in the counterbore;

Support is made up of a upper and lower theravada apart and a following portion as mentioned above, following seat portion combines with theravada by the support portion of periphery, these theravada central authorities are provided with an axis hole that connects, described counterbore is positioned at following central authorities of portion, described pipe lower end is passed above-mentioned axis hole and is fixedly linked with derotation gear on the described driving gear set, and described axle passes pipe and is fixedly linked with dextrorotation gear on the described driving gear set;

Axle is a hollow shaft as mentioned above, and the axis hole place of described theravada is fixedly connected with hollow pipe, and described pipe box is loaded onto and stated in the hollow pipe;

Also be set with the steel bushing of stable axis as mentioned above in the counterbore, described axle lower end is inserted in the steel bushing;

The protective jacket upper end is ' ten ' font as mentioned above, and ' ten ' word angle is provided with reinforcement, and protective jacket upper end salient mounting is in ' ten ' word groove of last rotor center;

Be connected with screw on the protective jacket jacket wall as mentioned above, have locating slot on the described axle, described screw front end is installed in the above-mentioned locating slot;

An axle top movable is connected with counterbalance device as mentioned above, and counterbalance device comprises and be actively socketed on the balancing stand on the protective jacket and be fixedly connected on two counterweights on the balancing stand that counterweight hammer stem external port is provided with the rib that prevents that hammer body from flying off;

Counterweight and balancing stand connecting portion all are connected with screw as mentioned above, and screw passes the screw on the balancing stand and is stuck in the draw-in groove on the counterweight hammer stem.

The beneficial effects of the utility model are:

1, going up rotor adopts connecting rod to be connected with the counterbalance device that plays balanced action, solved the stable relation of counterbalance device to last rotor, when last rotor is unstable, can be balanced the hammer device easily corrects, this lever syndeton that goes up rotor and counterbalance device formation that flexibly connects with the diplopore ball head connecting rod, improve the stability of last rotor, thereby improved the flight stability performance of RC Goblin;

2, each parts adopts screw to be fastenedly connected on the counterbalance device, and the front end of attachment screw is stuck in the corresponding groove, is connected firmly, and has improved RC Goblin flight stability performance and anti-collision performance greatly;

3, the axle that is fixedly linked with last rotor, its upper end is arranged with the protective jacket of employing screw clamping, and its lower end is placed with the little steel ball of cushioning effect together.When telecontrolled aircraft is landed, the clamping screw fastens axle, avoided axle on go here and there or move down; And little steel ball will axially descend impulsive force to be distributed to different directions, avoid axle to break the strong point and will make dextrorotation gear and motor gear disengaging on the axle, thereby improve the flight stability performance and the anti-collision performance of RC Goblin greatly;

4, two rotors adopt and anti-ly to fall the obdurability plastics and make up and down, not only lightly but also durable.

[description of drawings]

Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:

Fig. 1 is an explosive view of the present utility model;

Fig. 2 is an A place enlarged drawing among Fig. 1;

Fig. 3 is a stereogram of the present utility model;

Fig. 4 is each parts package assembly cut-away view of rotor place on the utility model;

Fig. 5 is each parts package assembly cut-away view of rotor place on second group of the utility model;

Fig. 6 is each parts package assembly cut-away view of rotor place on the 3rd group of the utility model;

Fig. 7 is the utility model internal mechanism and rotor assembling schematic diagram;

Fig. 8 is the utility model internal mechanism and rotor assembling package assembly cut-away view;

Fig. 9 is a B place enlarged drawing among Fig. 8.

[specific embodiment]

As shown in the figure, RC Goblin, include casing 11, support 12, last rotor 13 and following rotor 14, motor 15, driving gear set 16 that links to each other with motor 15 and controller 17, motor 15 and driving gear set 16 are installed on the support 12, rotatable axle 18 and pipe 19 are housed on the support 12, axle 18 bottoms are sleeved in the pipe 19, axle 18 links to each other with above-mentioned driving gear set 16 respectively with pipe 19, described rotor 14 down is fixedly set on the pipe 19, described rotor 13 movable sets of going up are in axle 18 upper ends, axle 18 tops are arranged with protective jacket 4, protective jacket 4 lower end movable sets are outside aforementioned tube 19, like this, guaranteeing effectively to prevent axle 18 flexural deformations on axle 18 and pipe 19 the basis with axis of rotation.In order to strengthen the firm performance of junction, in the utility model, be connected with screw 5 on protective jacket 4 jacket walls, screw 5 front ends are installed in the locating slot 180 of axle on 18, with prevent axle 18 on go here and there or move down; Protective jacket 4 upper ends are ' ten ' font, and ten ' word angle is provided with reinforcement 41, and protective jacket 4 upper end salient mountings are in ' ten ' word groove 131 of last rotor 13 centers, and reinforcement 41 can improve protective jacket 4 antitorque commentaries on classics performances.

For fear of axle 18 direct and support 12 rigid bumps when being hit power, in the utility model, support 12 is provided with counterbore 125, be placed with the little steel ball 126 of cushioning effect together in counterbore 125 bottoms, described axle 18 lower ends are inserted in the counterbore 125, also be set with in the counterbore 125 and be used for the steel bushing 127 of stable axis 18, axle 18 lower ends are inserted in the steel bushing 127.

When the utility model landed, axle 18 moved down vertically, and its top prevents from excessively to move by the roof pressure of 4 pairs of pipes 19 of protective jacket; Axle 18 bottoms, are made non-directional after little steel ball 126 is stressed and are rotated, thereby axle 18 downward impulsive forces are distributed to different directions on little steel ball 126 by roof pressure, thereby avoid spools 18 to break the strong point.Except using little steel ball 126, can also be placed with in counterbore 125 bottoms one can with the shell fragment of described axle 18 Elastic Contact, when axle 18 moved down vertically, shell fragment also can play cushioning effect.

In the utility model, support 12 bottoms be fixedly connected with two motors, 15, two motors, 15 main shafts cog respectively with driving gear set 16 on derotation gear 161,162 engagements of dextrorotation gear, axle 18 and pipe 19 longitudinally are actively plugged on the support 12.Support 12 is made up of a upper and lower theravada 121 and a following portion 122 apart, and derotation gear 161, dextrorotation gear 162 are between a theravada 121 and a following portion 122, and derotation gear 161 is positioned at dextrorotation gear 162 tops.Following seat portion 122 combines with theravada 121 by the support portions 123 of periphery, these theravada 121 central authorities are provided with an axis hole 124 that connects, described counterbore 125 is positioned at 122 central authorities of a following portion, described pipe 19 lower ends are passed above-mentioned axis hole 124 and are fixedly linked with derotation gear 161, and axle 18 passes pipe 19 and is fixedly linked with dextrorotation gear 162.

Wherein, axle 18 is a hollow shaft, and axis hole 124 places of described theravada 121 are fixedly connected with hollow pipe 3, and in the above-mentioned hollow pipe 3 of described pipe 19 suits, the effect of hollow pipe 3 is to entangle pipe 19 and manages 19 interior axles 18, improves the utility model impact resistant capability.

Described axle 18 top movable are connected with counterbalance device 2, between counterbalance device 2 and the last rotor 13 the connecting rod syndeton is arranged, this connecting rod syndeton comprises the cross bar 20 that is fixedly linked with described counterbalance device 2, the contiguous block 130 that is positioned at rotor 13 centers, and an end active card is enclosed within cross bar 20 outer ends and other end active card and is enclosed within diplopore ball head connecting rod 8 on the contiguous block 130.When last rotor 13 was unstable, by the lever relationshhip that cross bar 20, diplopore ball head connecting rod 8 form, counterbalance device 2 can be corrected rotor 13 at an easy rate, and rotor 13 fast quick-recoveries are stablized.

Counterbalance device 2 comprises the balancing stand 21 that is actively socketed on the protective jacket 4 and is fixedly connected on two counterweights 22 on the balancing stand 21 that counterweight 22 hammer stem external port are provided with the rib 220 that prevents that hammer body from flying off.Counterweight 22 all is connected with screw with balancing stand 21 connecting portions, and screw passes the screw on the balancing stand 21 and is stuck in the draw-in groove 23 on counterweight 22 hammer stems, avoids atwirl counterweight 22 to get rid of and takes off, and is connected firmly, and practicality is good.

Consider that casing 11 afterbodys are comparatively thin and delicate, at its afterbody protective frame 9 is housed, protective frame 9 is made up of upper and

lower clamping plate

91,92 and biside plate 93, described casing 11 afterbody clippings are between upper and

lower clamping plate

91,92, and upper and

lower clamping plate

91,92 both ends are installed on respectively in the hole clipping 930 on the biside plate 93; In casing 11 afterbodys, also be inserted with the fine bar 10 of a carbon, to improve casing 11 afterbody impact resistant capability.

Claims

1, RC Goblin, include casing (11), support (12), last rotor (13) and following rotor (14), motor (15), driving gear set (16) that links to each other with motor (15) and controller (17), motor (15) and driving gear set (16) are installed on the support (12), rotatable axle (18) and pipe (19) are housed on the support (12), axle (18) bottom is sleeved in the pipe (19), axle (18) links to each other with above-mentioned driving gear set (16) respectively with pipe (19), it is characterized in that: described rotor (14) down is sleeved on the pipe (19), described rotor (13) movable set of going up is in axle (18) upper end, axle (18) top is arranged with protective jacket (4), and protective jacket (4) lower end movable set is outside aforementioned tube (19).

2, RC Goblin according to claim 1 is characterized in that described support (12) is provided with counterbore (125), is placed with the little steel ball (126) of cushioning effect together in counterbore (125) bottom, and described axle (18) lower end is inserted in the counterbore (125).

3, RC Goblin according to claim 1, it is characterized in that described support (12) is provided with counterbore (125), be placed with in counterbore (125) bottom one can with the shell fragment of described axle (18) Elastic Contact, described axle (18) lower end is inserted in the counterbore (125).

4, according to claim 2 or 3 described RC Goblins, it is characterized in that described support (12) is by last, a theravada (121) apart and a following portion (122) form down, following seat portion (122) combines with theravada (121) by the support portion (123) of periphery, this theravada (121) central authorities are provided with an axis hole (124) that connects, described counterbore (125) is positioned at central authorities of a following portion (122), described pipe (19) lower end is passed above-mentioned axis hole (124) and is fixedly linked with derotation gear (161) on the described driving gear set (16), and the dextrorotation gear (162) that described axle (18) passes on pipe (19) and the described driving gear set (16) is fixedly linked.

5, RC Goblin according to claim 4 is characterized in that described axle (18) is hollow shaft, and the axis hole (124) of described theravada (121) locates to be fixedly connected with hollow pipe (3), in the above-mentioned hollow pipe of described pipe (19) suit (3).

6, RC Goblin according to claim 4 is characterized in that also being set with in the described counterbore (125) steel bushing (127) of stable axis (18), and described axle (18) lower end is inserted in the steel bushing (127).

7, RC Goblin according to claim 1, it is characterized in that described protective jacket (4) upper end is ' ten ' font, ' ten ' word angle is provided with reinforcement (41), and protective jacket (4) upper end salient mounting is in ' ten ' word groove (131) of last rotor (13) center.

8, according to claim 1 or 7 described RC Goblins, it is characterized in that being connected with screw (5) on described protective jacket (4) jacket wall, have locating slot (180) on the described axle (18), described screw (5) front end is installed in the above-mentioned locating slot (180).

9, RC Goblin according to claim 8, it is characterized in that described axle (18) top movable is connected with counterbalance device (2), counterbalance device (2) comprises the balancing stand (21) that is actively socketed on the protective jacket (4) and is fixedly connected on two counterweights (22) on the balancing stand (21) that counterweight (22) hammer stem external port is provided with the rib (220) that prevents hammer body and fly off.

10, RC Goblin according to claim 9 is characterized in that described counterweight (22) and balancing stand (21) connecting portion all are connected with screw, and screw passes the screw on the balancing stand (21) and is stuck in the draw-in groove (23) on counterweight (22) hammer stem.