CN203663457U - Blade of entertainment device - Google Patents

Abstract

The utility model relates to entertainment devices and discloses a blade of an entertainment device of a flying toy. The blade is of a threadlike and flat blade component with ductility. The blade component comprises a center portion and tail portions, and the center portion of the blade component is arranged between the two tail portions of the blade component in a staggered mode. According to the blade, deviation angles are formed between the tail portions of the blade component and the blade component plane in the opposite directions after the tail portions of the blade component are folded; the back portion of a machine body is threadlike, so the blade component can be folded along the transverse center line and intersect with the back portion at the folding mark portion, the tail portions can be folded backwards, and the deviation direction of the tail portions can enable the entertainment device to be launched upwards and then fall down in a rotating mode. By the adoption of the folding method, when a user wants to use the entertainment device, a user only needs to take out the entertainment device from a container, pull the blade open and enable the blade to be disengaged from location of a first pin or a belt or a rope or an elastic band, and then the user can start to use the entertainment device, other operations on the blade are not needed, and the operation is simple.

Description

The blade of entertainment device

Technical field

The utility model relates to entertainment device, relates in particular to the blade of the entertainment device of flying toy.

Background technology

Whistle is the acoustical generator that children enjoy a lot, the game launching taking whistle as order or around whistle is a lot, so whistle is for children and Yan Changchang is representing fine and happy, moreover, even for adult, whistle is also the indispensable instrument of court-referee and rah rah, more common in ball competition field especially, Chang Zuowei promotional gifts, sends use with charge free at ball match scene, but, whistle of the prior art can only be as blowing instrument, there is no other amusement effects, function is too single, and usage range is limited.More existing fly able entertainment devices, comprise fuselage and the flight stability device that is arranged on fuselage afterbody, flight stability device comprises a pair of blade stretching out from slim fuselages rear portion, in the time using this entertainment device, normally need the on-the-spot operation such as folding angle and shape of blade being installed or adjusting blade, but most user can not be familiar with how blade being installed, how being adjusted blade etc., cannot correctly install or adjust leaf folding angle and shape, make entertainment device can not reach best flight rotation status, cause a lot of unnecessary troubles; And blade is generally vertical bar shape, its falling state is comparatively dull, interesting poor.

Summary of the invention

The utility model also needs to install blade for using entertainment device in prior art when or blade is done to the shortcoming that some are adjusted, falling state is too single, provides a kind of and can directly use and the blade of the entertainment device of rotatable whereabouts.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:

The blade of entertainment device, blade is an elongated malleable vane member of flat tool, vane member comprises centre and afterbody, the centre of vane member is staggered between two afterbodys of vane member, the rear portion of configuration slim fuselages is can in transversal centerline, fold and crossing with rear portion at folding line place for vane member like this, and afterbody can fold to rear portion so that the direction departing from of afterbody can make upwards rotating after transmitting whereabouts of entertainment device.

As preferably, on two afterbodys of vane member, be equipped with cock opening.In not using this blade, be arranged on the pin of first on entertainment device and penetrate cock opening, for the bending state of fixed blade; When use, only need pull open blade, allowing the first pin depart from cock opening can use; Or also can be in the time not using, adopt belt or the similar fixture of rope or elastic cord etc. to locate blade.

As preferably, vane member coordinates to locate with cock opening by the first pin.

As preferably, vane member is vertical bar shaped, and afterbody is all parallel with centre.The blade of vertical bar shaped will allow afterbody and centre have skew in the time of doubling, could form like this screw,, just can rotate when the whereabouts.

As preferably, the vertical range that cock opening departs from afterbody center line is at least 4mm.

As preferably, the relative direction of the afterbody of vane member in vane member plane has deviation angle, the afterbody of vane member with respect to the deviation angle in the centre of vane member between 3 to 15 degree.Allow afterbody depart from centre 3 to 15 degree, after blade doubling, do not need that the afterbody of blade folding just can be formed to screw partially and keep rotation; Angle difference, the speed in frequency difference of rotation, and falling state between 3 to 15 degree is best, the most attractive in appearance, interesting best.

As preferably, the vertical range that cock opening departs from afterbody center line is 1 to 4mm.

As preferably, cock opening is arranged on the center of the afterbody of vane member.

As preferably, vane member brings location by belt or rope or degree of tightness.

The relative direction of the afterbody of the utility model vane member after folding and in vane member plane has deviation angle, the rear portion of configuration slim fuselages is that afterbody can fold to rear portion so that the offset direction of afterbody can make upwards rotating after transmitting whereabouts of entertainment device for after making vane member transversely folding on center line and crossing with rear portion at folding line place like this; The folding mode adopting can allow user in the time using this entertainment device, only need this entertainment device to take out from container, then pull open blade, make the location of leaf abscission the first pin or belt or rope or elastic cord, can bring into use this entertainment device, without blade being done other operation, this is simple to operate again; The set leaf position of manufacturer or producer can be guaranteed the uniformity of a large amount of entertainment devices realization flights and improve user's satisfaction; In order to realize the standardization of blade profile, the rotary speed of entertainment device is determined by manufacturer or producer instead of consumer or user determine; When entertainment device leaves container and leaf abscission first is sold or when the location of the positioner such as belt, the residing position of blade can guarantee that entertainment device can be rotated down flight, strengthens interesting; The utility model is simple in structure, not only has the vocal function of whistle, and can upwards launch and can be designed to rotate as helicopter after slowly fall back; Whistle can be sent and the similar sound of sky-rocket pyrotechnics, can help to have simulated the sound of sky-rocket, more can attract user; Reflecting coating on blade produces the effect of similar fireworks under LED lamp or sunlight, allows user produce the atmosphere of pyrotechnics in red-letter day, has avoided use pyrotechnics and has caused danger; Device is provided with cushioning members, in the time that people is hit by device, and the protection that cushioning members can acquire a certain degree; One thing multipotency, very practical, interest is stronger.

Brief description of the drawings

Fig. 1 shows the 3-D view of an example of this entertainment device.

Fig. 2 shows this entertainment device plane from bottom to up.

Fig. 3 shows this entertainment device plane from top to bottom.

Fig. 4 shows the side view of this entertainment device.

Fig. 5 shows the side view of this entertainment device front portion.

Fig. 6 shows the front view of this entertainment device front portion.

Fig. 7 shows a blade of this entertainment device.

Fig. 8 shows another blade of this entertainment device.

Fig. 9 shows the 3-D view that does not have another example of vaned entertainment device according to this of invention.

Figure 10 shows that Fig. 9 does not have the side view of vaned entertainment device.

Figure 11 shows 3-D view when open the front portion of this entertainment device.

Figure 12 shows the 3-D view of whistle locator and components cross section when open the front portion of seeing this device from front portion.

Figure 13 shows this device side cross sectional view in Fig. 9.

Figure 14 shows the front view of this device in Fig. 9.

Figure 15 further shows that the diagrammatic view of whistle is to represent size.

Figure 16 shows the air-flow in diagrammatical cross-sectional view the diagram whistle of whistle.

Figure 17 shows the view of this device in the time of flight in Fig. 9.

Figure 18 shows when open this entertainment device front portion 3-D view from back to front.

Figure 19 shows view when this device stores in Fig. 9.

Figure 20 shows another view when this device stores in Fig. 9.

The deviation angle of the view of the blade of this device diagram blade-section when Figure 21 shows folded state.

Figure 22 shows the structure configuration of state that Figure 21 blade flattens diagram blade.

Figure 23 shows the 3-D view of the 3rd example of this entertainment device.

Figure 24 shows that the entertainment device shown in Figure 23 stores the 3-D view of situation.

Figure 25 shows the structure graph that Figure 23 vane member flattens.

Figure 26 shows another example structure figure after the vane member using together with entertainment device flattens.

Figure 27 shows the 3-D view of the entertainment device that Figure 26 vane member is housed.

Detailed description of the invention

Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:

Embodiment 1

As shown in Figure 1, reference number 10 generally shows to be arranged in this utility model an embodiment of the blade in entertainment device 10.This blade can be used on a large amount of catapult like entertainment devices 10.

In the present embodiment, entertainment device 10 comprises slim fuselages 12.Slim fuselages 12 comprise front portion 14 and rear portion 16, and extend from anterior 14 at rear portion 16.Rear portion 16 comprises the trunk 18 extending from anterior 14.Flight stability device 68 comprises the plate-like aircraft member 20 being positioned on trunk 18, and trunk 18 is placed between front portion 14 and plate-like aircraft member 20.

As shown in Figures 2 to 6, pneumatic sound-producing device or whistle 22 determine by anterior 14.Therefore, anterior 14 determined to have the chamber 24 of constant volume and kept smooth being communicated with the opening of slot 26 forms.Slot 26 and the such configuration of chamber 24 produce the sound of whistle aloft when entertainment device 10 is flown.

Anterior 14 have flat sidewall 28, the diapire 32 that extends with outside tapered roof 30 with along the longitudinal axis of slim fuselages 12 backward.Anterior 14 width is between 8 millimeters to 14 millimeters, generally better between 9 millimeters to 13 millimeters.In the present embodiment, anterior 14 width is 10 millimeters.The total length of slim fuselages 12 is greatly between 35 millimeters to 50 millimeters.The length of trunk 18 is greatly between 60 millimeters to 80 millimeters.The cross sectional dimensions on trunk 18 every limits is greatly between 3 millimeters to 5 millimeters.The diameter of plate-like aircraft member 20 is greatly between 25 millimeters to 35 millimeters.Plate-like aircraft member 20 is thinner, and thickness between 0.5 millimeter to 1.5 millimeters, in the present embodiment is 1 millimeter greatly.Will be appreciated that these sizes can slightly change according to the desired size of whistle 22.

Anterior 14 dimensional details as shown in Figure 5.Slot 26 is rectangles, and extends between sidewall 28.The forward position 34 of slot 26 is from the preset distance of diapire 32 than close to the trailing edge of slot 26 36, and preset distance is greatly between 0.2 millimeter and 0.7 millimeter.In addition, the forward position 34 of slot 26 from the trailing edge 36 of slot 26 along the longitudinal axis greatly between 2 millimeters to 4 millimeters, in the present embodiment, be 3 millimeters.Will be appreciated that these sizes can change and reach different whistle volume and frequencies.Midfeather 38 is placed between roof 30 and diapire 32.Midfeather 38 fronts are provided with net 40, and net 40 has determined the rear wall 42 of afterbody bending, and net 40 stops at trailing edge 36 and the diapire 32 of slot 26, and diapire 32 has determined that the bottom 44 of chamber 24 is very flat.The total length of chamber 24 between 15 millimeters to 25 millimeters, in the present embodiment is 18 millimeters greatly.The total depth of chamber 24 or highly greatly between 6 millimeters to 10 millimeters, is approximately 8 millimeters in the present embodiment.The part 46 of the back cavity wall 42 stopping at bottom 44 has a circular profile, and radius between 1.5 millimeters to 3.5 millimeters, in the present embodiment is 2.5 millimeters greatly.The width of chamber 24 is greatly between 5 millimeters to 13 millimeters, such as 8 millimeters.

Anterior 14 have also had the antetheca 48 of the interior curve of chamber 24.Particularly antetheca 48 has circular profile, and radius between 1.5 millimeters to 3.5 millimeters, in the present embodiment is 3 millimeters greatly.Antetheca 48 also has the flat part 49 extending to forward position 34, the flat part 49 extending to forward position 34 is between 0.5 millimeter to 1.5 millimeters, in the present embodiment, be 1 millimeter, the angle of inclination of the flat part 49 extending to forward position 34 with respect to Y after greatly about 20 degree and 30 degree between, in the present embodiment, be 25 degree.The flat part 49 extending to forward position 34 is stopping with rectangular antetheca 48 parts of the longitudinal axis.Antetheca 48 has bending outer surface 51, and outer surface 51 stops at the initial position of the outside flat part 53 of antetheca 48, outside flat part 53 be the forward position 34 of slot 26 together with the rectangular part of the longitudinal axis.Said external flat part 53 length, between 2 millimeters and 4 millimeters, are about 3 millimeters in the present embodiment, angle with respect to Y after, greatly about 10 degree and 20 degree between, be approximately in the present embodiment 15 degree.Between the center of radius of the center of radius of rear wall 42 and antetheca 48 along the distance of the longitudinal axis greatly between 10 millimeters to 18 millimeters, be in the present embodiment 12 millimeters.Therefore,, in the time that entertainment device 10 aloft flies, air-flow by the trailing edge 36 of slot 26 separately, promotes air-flow along rear wall 42, bottom 44 and antetheca 48.In chamber 24, mineralization pressure forces air to exit slot 26 and produces sound.

Chamber wall 40, sidewall 28, roof 30 and midfeather 38 have formed empty volume 50, and this is in order to reduce weight.If required, capacity 50 can replace to transmit weight by material.Front portion 14, trunk 18 and plate-like aircraft member 20 can be the monoblock moldings that suitable plastic material is made.Selecting plastics is in order to transmit suitable intensity and shock-resistant characteristic to entertainment device 10.In addition, selecting anterior 14 dimensions is also in order to have suitable resistance to impact.For example, diapire 32 thickness between 1 millimeter and 3 millimeters, are 2 millimeters greatly in the present embodiment.Front end from anterior 14 greatly between 3 millimeters to 7 millimeters, is 5 millimeters to the advance trailing edge 34 in the present embodiment.Each sidewall 28 is provided with the ledge or the protector 55 that protrude from roof 30 and slot 26.In the time of anterior 14 colliding surfaces or stiff dough, protector 55 is used for protecting slot 26 to avoid infringement.Midfeather 38, roof 30, diapire 32 and sidewall 28 form shell 52.The power supply that contains some batteries is positioned on shell 52 places.LED circuit 56 is connected with LED58 with power supply, and LED58 extends back from shell 52.One of them sidewall 28 is provided with the lid 60 that is connected to roof 30.Lid 60 has with anterior 14 the structure 62 that is connected that mutually supplements and adjust.Therefore, lid 60 can be used for opening and closing shell 52.Lid 60 comprises lid opening 64, stretches out LED switch 65 to open or close LED in the time that lid 60 is closed by lid opening 64.Anterior 14 jug structures 66 are to be connected with emitter, such as ejector.Therefore, handle structure 66 is connected with the elastic band of ejector.In use, in the time that elastic band is connected with handle structure 66, user can catch plate-like aircraft member 20 entertainment device 10 that stretches backward before entertainment device 10 discharges transmitting.As shown in Figure 3, handle structure 66 inwardly and is backward tapered.Select ejector so that entertainment device 10 can reach the height between 10 meters and 30 meters.

Flight stability device 68 comprises a pair of blade 70, and blade launches to stablize the flight of entertainment device 10 from the rear portion 16 of slim fuselages 12.The so special configuration of blade 70 be so that blade 70 can time move to represent streamline surface to the longitudinal axis in transmitting, and entertainment device 10 can rotate and falls.Particularly, in the time using sufficient energy transmitting entertainment device 10 to reach the height between 15 meters to 30 meters, the air passing can further promote blade 70 mutually to represent fairshaped profile.The elongated, belt-shaped that blade 70 is made up of suitable material, this material plasticity is strong and can on broken line, be out of shape the shape after also keeping to a certain extent.Select special like this material in order that when entertainment device 10 culminates, the elastic force of this material inherence permission blade 70 moves to the position of radial expansion and entertainment device 10 and can rotate and fall.

Anchor pole or the second pin 73 opposite side from rear portion 16 launch, and anterior 14 distance is greatly between 17 millimeters to 21 millimeters, in the present embodiment, is approximately 19 millimeters.Blade 70 comprises lengthy motion picture 72, and lengthy motion picture 72 is provided with the first slot opening 74, so that plate-like aircraft member 20 and trunk 18 can be through the first slot opening 74 and the second pins 73.Lengthy motion picture 72 rotates subsequently so that the second pin 73 can make lengthy motion picture 72 keep longitudinally with respect to trunk 18.

Some ledges that separate or lug 78 are positioned on the both sides of the trunk 18 between plate-like aircraft member 20 and the second pin 73 in couples.On lengthy motion picture 72, every one side of the first slot opening 74 is all provided with corresponding the second slot opening 76.Therefore, in the time that lengthy motion picture 72 rotates, can fold it, lug 78 can pass respectively the second slot opening 76.Each lug 78 stops protecting blade 70 at spherical part 80.Each blade 70 has the 3rd slot opening 82 to regulate plate-like aircraft member 20.Therefore, as shown in Figure 1, in the time still allowing user to catch plate-like aircraft member 20 in order to launch entertainment device 10 between blade 70, blade 70 can extend to plate-like aircraft member 20.Also may retract entertainment device 10 before transmitting time, catch blade 70, use blade 70 as handle.In this configuration, plate-like aircraft member 20 can be through the 3rd slot opening 82 so that blade 70 can regulate plate-like aircraft member 20.Once discharge, plate-like aircraft member 20 will be return blade 70 and reach the position of flight summit while being used for rotating entertainment device 10.

As shown in FIG. 7 and 8, on blade 70, there is angle broken line 84.The broken line 84 of each blade 70 is angled with the longitudinal axis.Particularly the broken line 84 of one of blade 70 in another blade 70 with respect to 84 one-tenth diagonal angles of broken line.The angle of broken line 84 is rotating while starting to decline under Action of Gravity Field so that the orientation of blade 70 can make entertainment device 10 culminate of selecting.The direction of rotation is as shown in arrow in Fig. 1 86.Specifically angle with respect to and the rectangular axis of the longitudinal axis may 1 degree or 3 degree between.Distance between broken line 84 between 5 millimeters and 10 millimeters, is approximately 7 millimeters greatly in the present embodiment.The distance of rear portion lug 78 and first broken line 84 forefields, between 10 millimeters and 14 millimeters, is about 12 millimeters in the present embodiment.The distance of the part farthest from rear lug 78 to first broken line 84,11 millimeters and 15 millimeters, is about 13 millimeters in the present embodiment.

User can select the speed of adjusting the rear decline of entertainment device 10 transmitting with which broken line 84.The shape of chamber 24 is also selected, so that the chip as dust or sandy soil is while falling chamber 24, the rotation can decline because of entertainment device 10 time makes chip eject chamber 24.

The size of chamber 24 can change and change according to required sound the capacity of chamber 24.In the present embodiment, chamber 24 and slot 26 like this configuration so that the sound producing and traditional sky-rocket pyrotechnics similar in sound.For example, the capacity of chamber is about 0.9 cubic centimetre in the present embodiment.But capacity can change between 0.7 cubic centimetre and 1.8 cubic centimetres.In the present embodiment, when with the transmitting of elasticity ejector the frequency of whistle 22 greatly between 2500 hertz and 4500 hertz.In use, frequency constantly reduces in the time of transmitting.When user by the frequency of hand whistle 22 in the time that whistle 22 is blown greatly between 4000 hertz and 4100 hertz.In addition, between 3900 hertz and 4100 hertz, whistle 22 produces " quivering " sound, may be due to interference.Inventor thinks that this sound that " quivers " is to attract user, because it helps to have simulated the sound of sky-rocket, has produced happy atmosphere.

In addition, inventor finds that from whistle 22 these special configurations entertainment device 10 can produce initial sound, is and then then more further sound.Therefore, initial sound that obviously can the more than perception frequency of carrying in flight course.Fade away subsequently, when entertainment device 10 from summit more close to time, user can discover clearer sound.Inventor thinks that this dual sound effect is attractive to user.The existence of spatial capacity 50 or other side also can affect the sound decibel grade that whistle 22 produces.

Embodiment 2

This blade can be used on a large amount of catapult like entertainment devices.

As shown in Figure 9, reference number 100 generally shows according to another embodiment that is arranged on the blade in entertainment device in this utility model.

In the drawings, with reference to previous diagram, same reference number refers to same part, except as otherwise noted.

Anterior 14 is generally columniform.The front portion 14 of slim fuselages 12 is cylinder, and anterior 14 comprise the whistle locator 102 of semi-cylindrical in configuration and the battery locator 104 of semi-cylindrical in configuration.Whistle locator 102 and battery locator 104 interconnect along the longitudinal edge of adjacent rotating shaft 106.In the middle of rotating shaft 106, be connected so that locator can open or close with battery locator 104 with whistle locator 102.Therefore, user can see anterior 14 inside.Front portion 14 diameters in the present embodiment are between 10 millimeters and 30 millimeters, such as about 20 millimeters.

As Fig. 9 to Figure 13, in the middle of clip member or clip 108, be positioned on whistle locator 102, relative with rotating shaft 106.The clip structure 110 of battery locator 104 is connected in adjustable mode with clip 108.Therefore whistle locator 102 and battery locator 104 can mutually be clamped or decontrol.So only have by moving two cabins that independently action could be opened storage battery.This is that displacement whistle locator 102 and battery locator 104 are realized by discharging clip 108.

The front end of whistle locator 102 and battery locator 104 has the device structure of corresponding semicircular edge 112.In the time that whistle locator 102 and battery locator 104 are clipped together, on semicircular edge 112, there is the flange of location.Convex surface, circle, the spherical or part ellipsoid cushioning members of part or stopper 114 are supplementary installation constitutions mutually in its bottom with the form of passage 113, in passage 113, semicircular edge 112 occupies the position of stopper 114 in the time that anterior 14 close.Stopper 114 is to be made by the material of resiliency flexible, such as EVA or any other elastomeric material or rubber.Therefore, total area of section of stopper 114 is consistent with anterior 14 diameter.This is to be in use used for protection anterior 14.If someone is hit by entertainment device 100, such as eyes, the size of stopper 114 and material provide protection to a certain degree.

Stopper 114 and anterior 14 shapes that are set together are in order to improve pneumatics.

Stopper 114 comprises head 115 and bar head 117, and bar head 117 is rectangles of elongated flat.The shape of whistle locator 102 and battery locator 104 is can pass them along their length for bar head 117.On bar head 117, be provided with opening 119 from the closer place of head 115.Battery locator 104 comprises elongated ledge or pin, and pin extends in position to keep bar head 117 and stopper 114 along opening 119.In addition, in the time that whistle locator 102 and battery locator 104 are clipped together, bar head 117 is used for guaranteeing that the battery in battery locator 104 can firmly fix.

Pneumatic sound-producing device or whistle 22 are the whistle assemblies that are mounted in whistle locator 102.On whistle locator 102, there is opening 116 to allow a part of whistle 22 to extend from whistle locator 102.

As shown in figure 16, whistle assembly 22 is provided with chamber 118.Chamber 118 is made up of antetheca 120, bottom 122, rear wall 124, pair of sidewalls 128 and top 126.Whistle assembly 22 is made up of two parts, and Part I and whistle locator 102 are installed together, and comprises top 126 and sidewall 128 parts, antetheca 120 and rear wall 124.Part II is clipped in Part I and has the remainder of bottom 122, sidewall 128, antetheca 120 and rear wall 124.

Antetheca 120 is arches,, stops at 130 places, front portion of antetheca 120 towards back concave surface with one.Rear wall 124 is also arch, with a super concave surface forward, stops at 132 places, rear portion at top 126.Bottom 122 and sidewall 128 are flat.

Anterior 130 towards after 134 places, antetheca 120 edge stop.Rear portion 132 stops at 136 places, 126 edge, top towards front.Therefore, on antetheca 120 edges 134 and 126 edges 136, top, there is the whistle opening 138 communicating with chamber 118.

The capacity of chamber 118 is greatly between 0.7 cubic centimetre and 1.8 cubic centimetres, preferably greatly about 1.1 cubic centimetres.The total height of chamber 118 is greatly between 8 millimeters and 15 millimeters, preferably greatly about 10 millimeters to 11 millimeters.The total length of chamber 118 is greatly between 15 millimeters to 25 millimeters, preferably about 18 millimeters.The width of chamber 118 is greatly between 5 millimeters and 13 millimeters, such as 8 millimeters.The radius being limited by bottom 122 and antetheca 120 is greatly between 3 millimeters and 5 millimeters, preferably about 4 millimeters.By antetheca 120 and anterior 130 radiuses that limit greatly between 3 millimeters to 5 millimeters, preferably about 4 millimeters.The shape of antetheca 120 is for the distance between two radiuses is greatly between 1 millimeter and 3 millimeters, preferably greatly about 2 millimeters.

The radius being limited by bottom 122 and rear wall 124 between 2 millimeters and 4 millimeters, is preferably in 3 millimeters greatly.The radius being limited by rear wall 124 and rear portion 132 is greatly between 2 millimeters to 4 millimeters, preferably about 3 millimeters.

Antetheca 120 edges 134 depart from respect to 126 edges 136, top, towards chamber 118.This departs from greatly between 0.2 millimeter and 0.6 millimeter, preferably about 0.4 millimeter.

What should be familiar with is that to depart from be for to air being inserted to chamber 118, as shown in figure 16.A pair of whirlpool is placed in chamber 118.In the time that a whirlpool produces in the front portion of chamber 118, another in whirlpool produces at the rear portion of chamber 118.Gentle being pressed in chamber 118 of interference of whirlpool forms, and the air of then discharging produces whistle.The sound producing and sky-rocket similar in sound, therefore provide the atmosphere in red-letter day and removed the danger of pyrotechnics from.

In the test of carrying out, in the time that being down between 1.5 meter per second to 4 meter per seconds, airflow rate forms two whirlpools in wind tunnel simulation device.In the time that speed is higher, such as about 4 meter per seconds or higher, in chamber 118, just only there is a whirlpool.Therefore,, in the time that entertainment device 100 slows down and produce two whirlpools, the whistle tone of this entertainment device 100 declines.By this way, entertainment device 100 can produce two different tones.This has improved entertainment factor and has produced happy atmosphere, just as traditional sky-rocket pyrotechnics.Give one example, cities and towns have increased " middle pitch " or " three sounds ", adjust greatly to " C " from " A " large key.

In a typical application, entertainment device 100 can upwards be launched and aloft fly about 3 seconds.In about front 70% part of upwards flying, the frequency that whistle produces is about 3200 hertz.At the remainder upwards flying, frequency is down to approximately 3000 hertz.The summit of flying at entertainment device 100, frequency is increased to approximately between 3600 hertz and 3500 hertz per second.Therefore, at first two seconds of flight, the frequency that whistle produces between 3200 hertz and 3000 hertz, under connecing one second, frequency is between 3600 hertz and 3500 hertz.The sound that it should be noted that this uniqueness is relevant with resilient hand-held impelling, and user can produce the happy atmosphere relevant to pyrotechnics conventionally subsequently.Recently, pyrotechnics is due to its safety problem with often there are some dramatic events can occur in it pet.Entertainment device 100 provides a mode of manufacturing happy atmosphere to user, particularly in the time opening LED144.

Detailed whistle size is as shown in Figure 14 to Figure 15.The front portion 130 at top 126 is profiles of an arch.The radius of this profile is greatly between 8 millimeters to 18 millimeters, such as 13 millimeters.Rear portion 132 is also the profile of an arch, and the radius of profile is greatly between 40 millimeters to 45 millimeters, such as 42 millimeters.In addition, rear portion 132 is generally angled with respect to bottom 122, and its angle is greatly between 20 degree to 35 degree, such as 25 degree.

Anterior 130 profile is that the arc being limited by its outer surface is crossing with 126 edges 136, top forward in the time extending.Printed circuit board (PCB), inserts between the battery case 142 that LED drive circuit or analog can limit at trunk 18 with by battery locator 104 mutually.Battery, in battery case 142, is connected with LED144, and stretches out from anterior 14 rear portion.LED switch 146 allows user at this entertainment device front opening of transmitting LED144.The circuit of LED144 can be arranged in selected frequency between different colors, such as, LED144 can be the LED of polychrome.

As shown in Figure 17 to Figure 18, entertainment device 100 comprises elongated vane member 148, and vane member 148 can be folded into a pair of blade 150.Vane member 148 is provided with a pair of the first symmetrical slot 152 to regulate plate-like aircraft member 20, as shown in figure 19.Vane member 148 also has center slot 154, and in the time that vane member 148 is positioned on trunk 18, plate-like aircraft member 20 and trunk 18 join by center slot 154.

For that object, a pair of the first pin 156 from trunk 18 relatively and stretch out, and in vane member 148 near the front portion 14 relative with broken line 158.The first pin 156 inserts mutually between a pair of lug or cock 160, and the first pin 156 is also to extend to the first pin 156 from trunk 18 right angles.Center slot 154 is received in cock 160.

Vane member 148 has two the second symmetrical slot 16s 2, and each the second slot 16 2 intersects between the first slot 152He center slot 154 separately.The member 174 of a pair of relative positioning extends from trunk 18.The shape of the member 174 of each location is in order to pass through the second slot 16 2 separately.The shape of member 174 of location is in order to be connected with blade 150, with keep blade 150 when folding each other in suitable direction.

Each cock 160 has a bulbous end 164.On each afterbody of vane member 148, there is cock opening 166.The cock opening 166 of each bulbous end 164 by is separately so that blade 150 remains on the state of overlapping storage.Under that condition, entertainment device 100 can be stored in a suitable container 172, such as a transparent container 172, as shown in Figure 19 to Figure 20.Therefore, entertainment device 100 can avoid damaging and preserving ground better appearance.

As shown in Figure 21 to Figure 22, vane member 148 is made up of mutually slotting core 168 in the middle of a pair of afterbody 170.Each afterbody 170 departs from relative orientation angle with respect to core 168.The angle departing between 3 degree and 7 degree, is 5 degree greatly in the present embodiment.Therefore, when vane member 148 is in container 172 when fold storage, blade 150 effectively distortion so that the rotation that improves entertainment device 100 after transmitting.This is to be caused by the ductile material of vane member 148, so that blade 150 can keep their direction to a certain extent in container 172.Therefore, vane member 148 should be made by suitable material, such as after can withdrawing from from container 172 at the plastic material that to a certain degree keeps folding or distorted shape.

Therefore, user can store entertainment device 100 in container 172, can first fold blade 150 so that cock 160 can be by cock opening 166, and the member 174 of location can pass through the second slot 16 2.It should be noted that user is not that cock 160 is extended to the second slot 16 2 by necessity completely.In the time that entertainment device 100 is withdrawn from from container 172, folding blade 150 and entertainment device 100 is inserted and is convenient to the shape that keeps blade 150 suitable in container 172 simply.This can improve by angle deviating described above, and folding blade 150 can return to suitable position when guaranteeing that entertainment device 100 is withdrawn from from container.In addition, in the time using entertainment device 100, blade 150 does not discharge from the member 174 of location, and the member 174 of location also can be used for guaranteeing that blade 150 remains on best direction.

Vane member 148 can be provided with a lot of different materials, and for example, vane member 148 can be the plastic material with reflecting coating.Therefore,, while use under sunshine, entertainment device 100 is just obvious especially.In addition, vane member 148 is provided with LED, and in the time that used night, LED can shine on the reflectance coating of reflecting coating, produces the effect of similar fireworks.The atmosphere in red-letter day that this and above-described whistle sound can be passed on, the effect that can increase entertainment device 100 interests is consistent.

Embodiment 3

In Figure 23 to 25, reference number 180 generally shows to be arranged in this utility model another embodiment of the blade in entertainment device 180.During without miscellaneous stipulations, can be with reference to aforementioned drawing, such as parts reference number.This specification herein or other places use the scope that is not intended to limit described statement for the generality of reference number.

The utility model may extend to and is applicable to the blade that a large amount of catapult like entertainment devices 180 use.

As shown in figure 25, normally rectangle of centre 168 and afterbody 170; In addition, afterbody 170 also has nose circle.The length in centre 168 between 100 to 110mm, is 105mm conventionally in the present embodiment.The length of each afterbody 170 between 45 to 65mm, is 52mm conventionally in the present embodiment.The width of vane member 182, between 20 to 35mm, is 27mm in the present embodiment.The thickness of vane member 182 between 0.1 to 0.5mm, is 0.2mm greatly in the present embodiment.The centre of mounted vane member is staggered between two afterbodys of vane member.

Vane member 182 can be made up of different moulding materials, and its selected material should guarantee that vane member 182 has ductility to a certain degree and " memory function " so that when bending or folding, vane member 182 can keep rugosity to a certain degree.Particularly, in the time that vane member 182 is withdrawn storing state, selected material should guarantee that vane member 182 stores and maintenance storage shape to a certain degree under certain configuration.

Each afterbody 170 has deviation angle with respect to core 168 in relative direction.The angle departing between 3 to 15 degree, is 7 degree greatly in the present embodiment.Therefore, when vane member 182 is in container 172 when fold storage, blade 185 effectively distortion so that the rotation that improves entertainment device 180 after transmitting.This is to be caused by the ductile material of vane member 182, so that blade 185 can keep their direction to a certain extent in container 172.

For example, in the time that entertainment device 180 is launched, afterbody 170 is folding to centre 168, and selected material should guarantee that air pressure can push away centre 168 by afterbody 170 to the configuration of ensemble stream line style can be provided.But, once entertainment device 180 is lost flying speed, for example, arriving peak, 182 one-tenth propeller-like of vane member can be guaranteed in the residing position of afterbody 170; In addition the rotatable decline of vane member 182.The reason that produces rotation is that above-mentioned afterbody 170 has deviation angle with respect to centre 168.It should be noted that afterbody 170 should not become propeller-like not arriving before peak prerequisite, therefore selected material should guarantee that projectile rises to the rear afterbody 170 of suitable distance and is just propeller-like.

Vane member 182 can adopt single material or multilayer or lamination.Conventionally select corresponding material in conjunction with the relevant required flying quality of entertainment device 180.The actual material of selecting can be selected from multiple moulding material, for example haloflex (PET) or polypropylene (PP) or polyvinyl chloride (PVC) or polyethylene (PE).

On each afterbody of vane member 182, there is cock opening 166.In Figure 25, dotted line 184 is longitudinally divided respectively centre 168 and afterbody 170 equally.Shown in figure, one of them cock opening 166 to dotted line 184 1 lateral deviations from; Another cock opening 166 departs to dotted line 184 opposition sides.In addition, cock opening 166 can also be overlapping with dotted line 184.Therefore, in conjunction with the required folding and flight characteristic of manufacturer, cock opening 166 can with dotted line 184 keep suitable distance or and dotted line 184 overlapping, the vertical range that cock opening 166 can depart from dotted line 184 between 1 to 4mm or the center of cock opening 166 and dotted line 184 overlapping.In the present embodiment, to depart from the vertical range of dotted line 184 be 2.5mm to cock opening 166.

Consider the deviation position of cock opening 166, blade 185 can distortion a little in the time being connected to the first pin 156.This can guarantee that the suitable distortion of vane member 182 is so that entertainment device 180 arrives behind summit spiral downwards.In addition, the deviation position of cock opening 166 can guarantee that the part 186 of blade 185 crosses out.This can conveniently catch blade 185 to discharge from the first pin 156.

It should be noted that the necessary flight that is rotated down should be guaranteed in the residing position of blade 185 in the time that entertainment device 180 leaves container 172 and blade 185 and departs from the first pin 156.Now, user is without carry out bending or adjustment operation for blade 185.

In addition, uniformity and the CSAT of a large amount of entertainment devices 180 realization flights can be guaranteed in set blade 185 positions of manufacturer or producer.In order to realize the planning of blade 185 profiles, the rotary speed of entertainment device 180 should be determined and non-consumer or user determine by manufacturer or producer.

Select suitable cock opening 166 positions in conjunction with the ductility of vane member 182, can keep suitable gradient or the pitch of blade 185.Therefore,, by the correct position of rotation cock opening 166, manufacturer can determine the downward flight characteristic of the entertainment device 180 based on vane member 182 to a certain extent.

Vane member coordinates to locate with cock opening by the first pin.Vane member also can bring location by belt or rope or degree of tightness.

In the shown vane member 182 of example, the rear portion of the slim fuselages 12 of entertainment device 180 can through longitudinally, the opening of center position; The configuration of vane member 182 can guarantee to be combined with rear portion in case fixed blade member 182 to the rear portion of entertainment device 180.In the time that vane member 182 is folded and fastened the rear portion to entertainment device, the slot beginning of the afterbody 170 of vane member 182 can be held the aircraft member of entertainment device 180.In the time folding back along core, the configuration of afterbody 170 should guarantee to be fixed to the rear portion of entertainment device.

Embodiment 4

This blade is to be used on catapult like entertainment device.

In Figure 26, reference number 190 generally shows to be arranged in this utility model another embodiment of the blade in entertainment device.Figure 27 shows the vane member 190 that forms an entertainment device part.During without miscellaneous stipulations, can be with reference to aforementioned drawing, such as parts reference number.Generality for reference number is used the scope that is not intended to limit described statement.

The utility model may extend to and is applicable to the blade that a large amount of catapult like entertainment devices use.

As shown in figure 26, in the present embodiment, vane member 190 is vertical bar shapeds, and the core of vane member 190 is all parallel with afterbody.Cock opening departs from least 4mm of vertical range of afterbody center line, and in the present embodiment, the vertical range that cock opening departs from afterbody center line is 7mm.When folding blade, first folding along the center of blade, then roll over respectively afterbody, in the time that lug 160 penetrates the cock opening 166 on blade 185, blade 185 meeting distortions, are shown in Figure 27.Therefore afterbody and core are staggered.In addition,, in embodiment 1 to embodiment 3, can reach similar effect with respect to departing from of core and afterbody.It should be noted that should be in conjunction with the position of container 172 size Selection cock openings 166.As can be seen from Figure 27, the too much located lateral of cock opening 166 can cause entertainment device cannot pack container 172 into.

Select suitable cock opening 166 positions in conjunction with the ductility of vane member 190, can keep suitable gradient or the pitch of blade 185.Therefore,, by the correct position of rotation cock opening 166, manufacturer can determine the downward flight characteristic of the entertainment device based on vane member 190 to a certain extent.

In the shown vane member 190 of example, the rear portion of slim fuselages 12 can through longitudinally, the opening of center position; The configuration of vane member 190 can guarantee to be combined with rear portion in case fixed blade member 190 to the rear portion of entertainment device.In the time that vane member 190 is folded and fastened the rear portion to entertainment device, the slot beginning of the afterbody of vane member 190 can be held the aircraft member of entertainment device.In the time folding back along core, the configuration of afterbody should guarantee to be fixed to the rear portion of described entertainment device.

In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims (9)

1. the blade of entertainment device, it is characterized in that, blade is an elongated malleable vane member of flat tool, vane member comprises centre and afterbody, the centre of vane member is staggered between two afterbodys of vane member, the rear portion of configuration slim fuselages is can in transversal centerline, fold and crossing with rear portion at folding line place for vane member like this, and afterbody can fold to rear portion so that the direction departing from of afterbody can make upwards rotating after transmitting whereabouts of entertainment device.

2. the blade of entertainment device according to claim 1, is characterized in that, on two afterbodys of vane member, is equipped with cock opening.

3. the blade of entertainment device according to claim 2, is characterized in that, vane member coordinates to locate with cock opening by the first pin.

4. the blade of entertainment device according to claim 2, is characterized in that, vane member is vertical bar shaped, and afterbody is all parallel with centre.

5. the blade of entertainment device according to claim 4, is characterized in that, the vertical range that cock opening departs from afterbody center line is at least 4mm.

6. the blade of entertainment device according to claim 2, is characterized in that, the relative direction of the afterbody of vane member in vane member plane has deviation angle, the afterbody of vane member with respect to the deviation angle in the centre of vane member between 3 to 15 degree.

7. the blade of entertainment device according to claim 6, is characterized in that, the vertical range that cock opening departs from afterbody center line is 1 to 4mm.

8. the blade of entertainment device according to claim 6, is characterized in that, cock opening is arranged on the center of the afterbody of vane member.

9. the blade of entertainment device according to claim 1, is characterized in that, vane member brings location by belt or rope or degree of tightness.

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