CN210536923U

CN210536923U - Loudspeaker with directional sound transmission

Info

Publication number: CN210536923U
Application number: CN201922223172.6U
Authority: CN
Inventors: 邓云红; 曾绍民
Original assignee: Fengshun Boli Electroacoustic Co Ltd
Current assignee: Fengshun Boli Electroacoustic Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-05-15
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a loudspeaker of directional sound transmission, including the loudspeaker body, the horn is fixed to one end of the loudspeaker body, the lateral wall of one end of the horn is provided with the external screw thread, horn one end is provided with the dust screen, the outer edge of one side surface of the dust screen is fixed with the go-between, the dust screen and the horn are fixedly connected through the go-between and the external screw thread, the surface of one side of the dust screen is fixed with the support cast iron, the support cast iron is contacted with the horn, the lower surface of the loudspeaker body is provided with the handle mechanism; through being provided with dust screen, go-between and support cast iron, avoid the more dust in the outside and piece to enter into the inboard of horn, influence the inconvenience of loudspeaking effect and later stage to the inboard clearance of horn, through being provided with installation spiro, screw thread head and spacing ring, avoid inconvenient to the handle dismouting, lead to damaging the after-maintenance effect poor to the handle, be convenient for improve the convenience of maintaining.

Description

Loudspeaker with directional sound transmission

Technical Field

The utility model belongs to the technical field of the speaker, concretely relates to speaker of directional biography sound.

Background

The speaker is also called a horn. The horn loudspeaker is a common electroacoustic transducer, can be seen in sound electronic and electrical equipment, is a common moving coil loudspeaker provided with a horn, is convenient for directional sound transmission, has the advantages of strong directivity, high power and high efficiency, and is widely applied to occasions such as meeting places, fields, wide fields and the like.

Present directional transaudient speaker is in the use, and it is inboard that external more dust and piece can enter into the horn, lead to the effect of raising one's voice to reduce, and the later stage is inconvenient to the inboard clearance of horn, influences the result of use of device, the inside cleanness of the guarantee horn that is not convenient for fine, handle and speaker body are mostly welded fastening in addition, receive external force collision when the handle and damage the back, inconvenient to the handle dismouting, it is poor to maintain the effect, we propose the speaker of a directional transaudient for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a speaker of directional sound conduction, in order to solve and to propose current directional sound conduction speaker among the above-mentioned background art in the use, it is inboard that external more dust and piece can enter into the horn, lead to the effect of raising one's voice to reduce, and the later stage is inconvenient to the inboard clearance of horn, influence the result of use of device, be not convenient for fine guarantee horn inside cleanness, in addition the handle is mostly welded fastening with the speaker body, after the handle received external force collision to damage, it is inconvenient to handle dismouting, maintain the poor problem of effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speaker of directional biography sound, includes the speaker body, the one end of speaker body is fixed with the horn, the lateral wall of horn one end is provided with the external screw thread, horn one end is provided with the dust screen, dust screen side surface outward flange is fixed with the go-between, the dust screen carries out fixed connection through go-between and external screw thread with the horn, dust screen side surface is fixed with the support cast iron, the support cast iron contacts with the horn, speaker body lower surface is provided with handle mechanism.

Preferably, the handle mechanism comprises an installation spiral ring, a handle, a limiting ring and a thread head, the installation spiral ring is fixed on the lower surface of the loudspeaker body, the thread head is connected to the inner side of the installation spiral ring through threads, the handle is fixed on the lower surface of the thread head, the limiting ring is rotatably installed on the outer side of the handle through a groove, and the limiting ring is connected with the installation spiral ring through thread parts.

Preferably, the handle inboard is provided with the ventilation hole, the ventilation hole runs through the both sides wall of handle.

Preferably, the outer side wall of the limiting ring is provided with anti-skid convex strips, and the anti-skid convex strips are uniformly distributed along the circumferential direction of the limiting ring.

Preferably, the connecting ring and the supporting cast iron are both annular, and the connecting ring and the dust screen are of an integrated structure.

Preferably, the outer side wall of the connecting ring is provided with a rubber pad, and the rubber pad is fixedly connected with the connecting ring through glue.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through being provided with dust screen, go-between and support cast iron, avoid the inboard that more dust in the outside and piece entered into the horn, influence the effect of raising one's voice and the later stage inconvenience of the inboard clearance of horn, simple structure, easy to use further can support the one end that the speaker body was kept away from to the horn, prevents that outside extrusion from causing horn one end to take place deformation damage.

(2) Through being provided with installation spiro, thread head and spacing ring, avoid inconvenient to the handle dismouting, lead to damaging the back to the handle and maintain the effect poor, be convenient for improve the convenience of maintaining, save maintenance duration, be convenient for simultaneously make handle and speaker body deposit respectively, improve the convenience of carrying.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of fig. 1 a according to the present invention;

fig. 3 is a schematic cross-sectional view of the utility model at B in fig. 1;

in the figure: 1. a speaker body; 2. a horn; 3. a connecting ring; 4. a dust screen; 5. a handle; 6. a limiting ring; 7. a rubber pad; 8. supporting the cast iron; 9. a vent hole; 10. installing a spiral ring; 11. and (4) a thread head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a speaker of directional biography sound, including speaker body 1, speaker body 1's one end is fixed with horn 2, the lateral wall of horn 2 one end is provided with the external screw thread, horn 2 one end is provided with dust screen 4, it is inboard to be convenient for prevent that dust and piece in the outside from entering into horn 2, dust screen 4 side surperficial outward flange is fixed with go-between 3, dust screen 4 carries out fixed connection through go-between 3 and external screw thread with horn 2, be convenient for carry out the dismouting maintenance to dust screen 4, dust screen 4 one side fixed surface has support cast iron 8, support cast iron 8 and horn 2 contact, be convenient for support horn 2, prevent that the extrusion force that receives the outside from taking place the deformation damage, speaker body 1 lower surface is provided with handle mechanism.

In this embodiment, preferably, the handle mechanism includes an installation spiral ring 10, a handle 5, a limit ring 6 and a screw head 11, the installation spiral ring 10 is fixed on the lower surface of the speaker body 1, the screw head 11 is connected to the inner side of the installation spiral ring 10 through a thread, the handle 5 is fixed on the lower surface of the screw head 11, the limit ring 6 is rotatably installed on the outer side of the handle 5 through a groove, the limit ring 6 is connected with the installation spiral ring 10 through a thread, so that the handle 5 can be conveniently disassembled and assembled, and the handle 5 can be conveniently maintained and replaced.

In this embodiment, preferably, the inside of the handle 5 is provided with a vent hole 9, and the vent hole 9 penetrates through two side walls of the handle 5, so as to facilitate heat dissipation and ventilation at the palm when holding.

In this embodiment, it is preferred, 6 lateral walls of spacing ring are provided with anti-skidding protruding strip, and 6 circumference evenly distributed along the spacing ring are convenient for rotate spacing ring 6 to a plurality of anti-skidding protruding strips.

In this embodiment, preferably, the connection ring 3 and the support cast iron 8 are both annular, and the connection ring 3 and the dust screen 4 are of an integrated structure, so as to facilitate a better connection effect.

In this embodiment, preferably, the outer side wall of the connecting ring 3 is provided with a rubber pad 7, and the rubber pad 7 is fixedly connected with the connecting ring 3 by gluing, so that great collision noise between one end of the horn 2 and the placing platform is reduced when the horn is placed.

The utility model discloses a theory of operation and use flow: when the loudspeaker horn is used, the rotary feeding connecting ring 3 is fixedly connected with the horn 2, so that the installation of the dustproof net 4 is conveniently completed, more dust and debris can be prevented from entering the inner side of the horn 2 through the dustproof net 4, the loudspeaker effect is influenced, and the later cleaning is inconvenient, one end of the horn 2, far away from the loudspeaker body 1, can be conveniently supported through the supporting cast iron 8, the deformation and damage of one end of the horn 2 caused by the extrusion of the outer side are prevented, the handle 5 and the loudspeaker body 1 are matched and connected through the threaded head 11 and the mounting spiral ring 10, the rotary feeding limiting ring 6 moves to one side of the mounting spiral ring 10, so that the fixed installation of the handle 5 is conveniently completed, the operation is simple, the loosening and the separation of the threaded head 11 and the threaded part of the mounting spiral ring 10 can be limited through the limiting ring 6, the disassembly and assembly of the handle 5 are convenient, the maintenance is simple, the good heat dissipation of the, the inconvenience of holding caused by sweating of the palm is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A loudspeaker of directional sound conduction, includes speaker body (1), its characterized in that: one end of speaker body (1) is fixed with horn (2), the lateral wall of horn (2) one end is provided with the external screw thread, horn (2) one end is provided with dust screen (4), dust screen (4) side surface outward flange is fixed with go-between (3), dust screen (4) and horn (2) carry out fixed connection through go-between (3) and external screw thread, dust screen (4) a side fixed surface has support cast iron (8), support cast iron (8) and horn (2) contact, speaker body (1) lower surface is provided with handle mechanism.

2. A loudspeaker according to claim 1, wherein: handle mechanism is including installation spiro (10), handle (5), spacing ring (6) and thread head (11), speaker body (1) lower fixed surface has installation spiro (10), the inboard threaded connection of installation spiro (10) has thread head (11), thread head (11) lower fixed surface has handle (5), spacing ring (6) are installed through the recess rotation in the outside of handle (5), spacing ring (6) pass through threaded connection with installation spiro (10).

3. A loudspeaker according to claim 2, wherein: the handle (5) inboard is provided with ventilation hole (9), ventilation hole (9) run through the both sides wall of handle (5).

4. A loudspeaker according to claim 2, wherein: the outer side wall of the limiting ring (6) is provided with anti-skid convex strips, and the anti-skid convex strips are uniformly distributed along the circumferential direction of the limiting ring (6).

5. A loudspeaker according to claim 1, wherein: the connecting ring (3) and the supporting cast iron (8) are both annular, and the connecting ring (3) and the dust screen (4) are of an integrated structure.

6. A loudspeaker according to claim 1, wherein: the outer side wall of the connecting ring (3) is provided with a rubber pad (7), and the rubber pad (7) is fixedly connected with the connecting ring (3) through glue.