CN201156417Y

CN201156417Y - Sounding tube

Info

Publication number: CN201156417Y
Application number: CNU2008200010215U
Authority: CN
Inventors: 田明飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-14
Filing date: 2008-01-14
Publication date: 2008-11-26
Anticipated expiration: 2018-01-14

Abstract

The utility model relates to an acoustic generator which is especially suitable for cheering for sports. The acoustic generator consists of two loudspeakers which are hinged together. Every loudspeaker comprises an amplifying cylinder and a sound guiding tube which bends and extends to be formed from the back end port of the amplifying cylinder. The two loudspeakers are hinged on the outward bending part of the amplifying cylinder and the sound guiding tube. The acoustic generator can be used for shouting and flapping to fully express the emotion of people during the cheering.

Description

The sounding tube

Technical field

The utility model relates to a sound-producing device, particularly a kind of sounding tube of competing oiling, adding to the fun of being suitable for.

Background technology

In the arena, especially in the sports tournament place, spectators can cheer for a side, add to the fun, so people have just used a kind of toy toy trumpet, this toy trumpet is generally made by plastic material, the Megaphone that a taper is wherein arranged, taper Megaphone rear end is provided with vibrating reed, and the air stream drives vibrating reed sounding by directly being blown into is amplified by Megaphone.This toy trumpet is owing to be that straight air stream drives very little vibrating reed sounding, so it is not fine that effect takes place, the volume of sending is limited, and as using in noisy occasion, its effect is unsatisfactory.

For this reason, people have developed many toy trumpets of adding to the fun that can address the above problem.One of them is that application number is 94209593.6 the toy trumpet of adding to the fun.The structure of this toy trumpet of adding to the fun has the loudspeaker 14,15,16 of shell 11, a spacer shell 12 and three different lengths as shown in Figure 5.Wherein spacer shell 12 is three cylindrical connectors, Lip river vertically is provided with three uniform and through holes that diameter is identical in it, at the inner edge of this spacer shell 12 of a side with outer rim pressing shell 11 rear ends, the straight length of loudspeaker of pressing 14,15,16 in each through hole of opposite side, the straight length of each loudspeaker 14,15,16 is provided with the grooving of trembling of a pressing board unit 13, reed of riveted joint on each substrate.Thereby this is added to the fun and can cause the principle that reed vibrates is sounded with toy trumpet according to air-flow, utilize different reeds to send the sound of different frequency, specific like this combination of frequency just produces chorus together the time, this sound that has three different frequencies with toy trumpet of adding to the fun makes up and produces chorus, and its chorus sound is loud and clear, propagation distance is far away.

Wherein two be that application number is 200520147096.0 the toy trumpet of adding to the fun, Fig. 6 has shown its structure.This toy trumpet of adding to the fun comprises: Megaphone 28, pronunciation chamber 26 and vibrating membrane 23.Wherein Megaphone 28 is conical hollow open body, and its rear end is connected with hollow cylindrical sound guide tube 24.This cylindrical sound guide tube 24 extend in the pronunciation chamber 26, and makes sound guide tube 24 protrude in the rear end in pronunciation chamber 26, and pronunciation chamber 26 also is conical ducted body, and the front end in pronunciation chamber 26 is connected with Megaphone is airtight, promptly connects by screw thread 27 fixed locks.And the rear end in pronunciation chamber 26 is an opening.And the vibrating membrane of being made by the Elastic plastic-rubber film 23 is set on this opening, this vibrating membrane 23 is circular, be arranged on the Elastic plastic-rubber annulus 22 around it, thereby resilient sleeve is located at the tail end in pronunciation chamber 26.At this moment, sound guide tube 24 can make vibrating membrane be in tensioned state the central part of vibrating membrane 23 jack-up slightly.One side in pronunciation chamber 26 is drawn a blowing nozzle 25, and this blowing nozzle 25 is a body that bends backward, extends to the rear side in pronunciation chamber always, so that blow afloat more convenient.In addition, at the arranged outside over cap 1 of vibrating membrane 3.Because 26 rear sides are provided with bigger vibrating membrane 23 in the pronunciation chamber, have sounding effect preferably under the promotion of air-flow, by the amplification of sound guide tube and Megaphone, can produce very big volume and send out, volume improves greatly.

Although the above-mentioned toy trumpet of adding to the fun can both improve volume, can't give full expression to the emotion that people cheer, for example only can send the sound of preset frequency, and can not call athletic name, and be difficult to as applauding, refuel.

Summary of the invention

The purpose of this utility model provides a kind of acoustical generator that can propaganda directed to communicate and can pat, so that give full expression to people's emotion when cheering.

Above-mentioned purpose of the present utility model is achieved in that a kind of acoustical generator, it is characterized in that being made of two hinged loudspeakers.

Wherein, each described loudspeaker comprises Megaphone and from the bending of the rear port of Megaphone, the sound guide tube that extends to form.Like this, the intersection of Megaphone and sound guide tube form inner bending position (being the bending parts of the outside surface tangent line angle of Megaphone and sound guide tube) less than 180 degree and outside kink position (the outside surface tangent line angle that is Megaphone and sound guide tube is greater than 180 bending parts of spending)

Wherein, described two loudspeakers are hinged at the outer kink position B of described Megaphone and sound guide tube.Make two loudspeakers after hinged form angle between two sound guide tubes, such two Megaphones just can separate and contact by rotation, thereby impact mutually, send the sound.

Wherein, Megaphone has one and is the face that impacts on plane, so that the face that the impacts surface of contact maximum that two Megaphones are impacted mutually, increase impacts loudness.

Wherein, the surface of contact of sound guide tube is the plane and has arc notch, so that after sound guide tube closes up, can form a cylinder type sound guide tube.

Wherein, two loudspeakers bending part outside are convexly equipped with hinge eyes respectively, and described hinge eyes is enclosed within on the jointed shaft.Described jointed shaft is the rotating shaft of boss bench-type.

In addition, can be separately or strap loop is set respectively at loudspeaker, so that fasten the belt that can hang on one's body.

In addition, at Megaphone or at the outside surface of the sound guide tube raised line that can distribute,, increase the friction force that hand grips on the other hand so that increase its intensity on the one hand.

The utlity model has following advantage:

1, not only can propaganda directed to communicate but also can send the rhythmical sound that impacts, thereby can farthest express the emotion that people cheer;

2, easy to use, old children is all suitable.

3, simple in structure, easy to manufacture.

Below in conjunction with accompanying drawing the utility model is elaborated.

Description of drawings

Fig. 1 is the synoptic diagram of sounding tube of the present utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the B-B sectional view of Fig. 1;

Fig. 4 is the synoptic diagram after sounding tube of the present utility model closes up;

Fig. 5 is a kind of synoptic diagram of the existing toy trumpet of adding to the fun;

Fig. 6 is the synoptic diagram of the another kind of existing toy trumpet of adding to the fun.

Embodiment

Fig. 1 has shown the structure of sounding tube of the present utility model, and as shown in Figure 1, acoustical generator of the present utility model is made of two hinged loudspeakers 1,1 '.

Each loudspeaker 1,1 ' comprises Megaphone 8,8 ' and from Megaphone 8,8 ' rear port bending, the sound guide tube 5,5 ' that extends to form.Like this, Megaphone 8 and 8 ' and the intersection of sound guide tube 5 and 5 ' form inner bending position A (being Megaphone 8 and the bending parts of sound guide tube 5 tangent line angles) and outer kink position B (being that Megaphone 8 and sound guide tube 5 tangent line angles are greater than 180 bending parts of spending) less than 180 degree

Wherein, described two loudspeakers 1,1 ' described Megaphone 8,8 ' and sound guide tube 5,5 ' outer kink position (i.e. B position among the figure) hinged.Make two loudspeakers 1 after hinged, 1 ' form angle between two sound guide tubes 5,5 ', such two Megaphones 8,8 ' just can separate and contact by rotation, thereby impact mutually, send the sound.

Impact the surface of contact maximum for what make that two Megaphones 8,8 ' impact mutually, impact loudness so that increase, two Megaphones 8,8 ' the face that impacts are designed to the plane.Just, Megaphone has one for the face that impacts on plane, referring to Fig. 3.

In order to make sound guide tube 5,5 ' after closing up, can form a cylinder type sound guide tube, two sound guide tubes 5,5 ' surface of contact are designed to have the plane of arc notch 4.Just, the surface of contact of sound guide tube is the plane and has arc notch 4, referring to Fig. 2.

Loudspeaker 1,1 ' can adopt existing various articulated manner hinged, and articulated manner shown in Figure 2 only is a kind of mode that the utility model can adopt.In Fig. 2, jointed shaft 2 is the rotating shaft of boss bench-type, is arranged on loudspeaker 1,1 ' hinge eyes is enclosed within respectively on the jointed shaft 2, and for example the hinge eyes of loudspeaker 1 is enclosed within on the small column of jointed shaft 2, and the hinge eyes of loudspeaker 1 ' is enclosed within on the big column of jointed shaft 2.

In fact, people when cheering, the mode that adopts both hands to impact energetically probably, for this reason, the utility model can also adopt detachably hinged mode, so that two loudspeakers 1,1 ' can separate fully.

In addition, can be separately on loudspeaker 1,1 ' or strap loop 6 is set respectively, so that fasten the belt that can hang on one's body, referring to Fig. 1.

In addition, can also Megaphone 8,8 ' or sound guide tube 5,5 ' go up to install and separate two Megaphones 8,8 ' or two sound guide tube 5,5 ' elastic device automatically, for example spring or rubber sphere are so that can impact Megaphone 8,8 ' by one hand.

In addition,, increase its intensity on the one hand, increase the friction force that hand grips on the other hand, referring to Fig. 1 at sound guide tube 5,5 ' or Megaphone 8,8 ' the outside surface raised line 7 that can distribute.

The material such as the plastics of any anti-fight of the utility model are made.

The utility model can use in the following way: close up two sound guide tubes 5,5 ', make it serve as the bitubular loudspeaker of propagandaing directed to communicate; Both hands or be hold by one hand two Megaphones 8,8 ' impact it, the rhythmical sound that impacts of the similar applause of sounding mutually.

The utlity model has following advantage:

1, not only can propaganda directed to communicate but also can send the rhythmical sound that impacts, thus can maximum journey The emotion that degree face of land intelligents cheer;

2, easy to use, old children is all suitable.

Although above the utility model is had been described in detail, the utility model is not limit In this, those skilled in the art of the present technique can carry out various repairing according to principle of the present utility model Change. Therefore, all modifications of doing according to the utility model principle all should be understood to fall into Protection domain of the present utility model.

Claims

1, a kind of acoustical generator is characterized in that being made of two hinged loudspeakers (1,1 ').

2, generator according to claim 1 is characterized in that, each described loudspeaker (1,1 ') comprises Megaphone (8,8 ') and from the bending of the rear port of Megaphone (8,8 '), the sound guide tube (5,5 ') that extends to form.

3, generator according to claim 1 and 2 is characterized in that, described two loudspeakers (1,1 ') are hinged with the outer kink position (B) of sound guide tube (5,5 ') at described Megaphone (8,8 ').

4, generator according to claim 1 and 2 is characterized in that, Megaphone (8,8 ') has one and is the face that impacts on plane.

5, generator according to claim 1 is characterized in that, the surface of contact of described sound guide tube (5,5 ') is the plane and has arc notch (4).

6, generator according to claim 1 is characterized in that, two loudspeakers (1,1 ') bending part (B) outside are convexly equipped with hinge eyes respectively, and described hinge eyes is enclosed within on the jointed shaft (2).

7, generator according to claim 7 is characterized in that, described jointed shaft (2) is the rotating shaft of boss bench-type.

8, generator according to claim 1 is characterized in that, is convexly equipped with strap loop (6) on loudspeaker (1,1 ') separately or respectively.

9, generator according to claim 8 is characterized in that, at the outside surface distribution raised line (7) of sound guide tube (5,5 ').

10, generator according to claim 8 is characterized in that, at the outside surface distribution raised line (7) of Megaphone (8,8 ').