CN216960185U

CN216960185U - Sound horn with anti-interference structure

Info

Publication number: CN216960185U
Application number: CN202220553614.2U
Authority: CN
Inventors: 龙明; 周志弘; 田彦波
Original assignee: Shenzhen Rentai Electronics Co ltd
Current assignee: Shenzhen Rentai Electronics Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-12
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses an acoustic horn with an anti-interference structure, which comprises a mounting plate, wherein the outer wall of one side of the mounting plate is connected with a horn body through a bolt, the outer part of the horn body is provided with a shell, the outer wall of the shell is provided with an outer shielding layer, the inner wall of the shell is provided with an inner shielding layer, the outer wall of one side, far away from the shell, of the inner shielding layer is provided with a moisture-proof layer, the inner part of the shell is provided with a filter, the filter is electrically connected with the horn body through a wire, the inner part of one side of the shell is hinged with two rotating arms through a shaft, one ends of the two rotating arms are integrally formed with clamping plates, and the filter is positioned between the two clamping plates. The utility model relates to a method for preparing a high-performance composite material. Through the outer shielding layer, the inner shielding layer and the filter that set up, utilize outer shielding layer and inner shielding layer for the interference of external electromagnetic wave can be resisted to the loudspeaker body during operation, make the loudspeaker body during operation can be anti-interference to the noise signal of signal source inside through the filter, consequently realized the effect that the stereo set loudspeaker interference killing feature is strong.

Description

Sound horn with anti-interference structure

Technical Field

The utility model relates to the technical field of acoustic horns, in particular to an acoustic horn with an anti-interference structure.

Background

The audio amplifier indicates the equipment that can become audio signal sound, and is popular, indicates that to take power amplifier certainly in audio amplifier host computer box or the bass box, amplifies audio signal and back play sound by audio amplifier itself after handling, makes its sound grow, and the audio amplifier is inside to play the effect of sound amplification loudspeaker, and it plays the effect of converting the signal of telecommunication into sound signal.

Chinese patent No. 202020581410.0 discloses a loudspeaker of anti-interference structure relates to stereo set loudspeaker equipment field, including anti-interference loudspeaker main part, one side of anti-interference loudspeaker main part is equipped with the regulating block, and the spherical groove has been seted up to one side that the regulating block is close to anti-interference loudspeaker main part, and spherical inslot rotation installs spherical block, and one side of spherical block extends to outside the spherical groove and fixed mounting is on one side of anti-interference loudspeaker main part, seted up the cavity on the spherical block, seted up on the top side inner wall of cavity and pressed the hole, slidable mounting has the press the depression bar in the press hole, and the both ends of pressing the depression bar all extend to outside the press the hole.

Above-mentioned and the stereo set loudspeaker interference killing feature among the prior art is relatively poor, leads to stereo set loudspeaker to have more noise when using, and stereo set loudspeaker's shell is inconvenient to be dismantled and the equipment, leads to stereo set loudspeaker inconvenient to be maintained. Therefore, it is desirable to design an acoustic horn with an anti-interference structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an acoustic horn with an anti-interference structure, so as to solve the defects in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides a stereo set loudspeaker with anti-interference structure, includes the mounting panel, there is the loudspeaker body one side outer wall of mounting panel through bolted connection, the outside of loudspeaker body is provided with the shell, the outer wall of shell is provided with the external shield, the inner wall of shell is provided with the internal shield layer, one side outer wall that the shell was kept away from on the internal shield layer is provided with the dampproof course, the inside of shell is provided with the wave filter, the wave filter is electric connection through the wire with the loudspeaker body, one side of shell is inside to have two rocking arms, two through the axle hinge joint the one end integrated into one piece of rocking arm has splint, the wave filter is located between two splint.

As a preferred embodiment of the present invention, a moving plate is disposed between the two rotating arms, two connecting columns are welded to an outer wall of one side of the moving plate, a sliding slot is formed in an outer wall of one side of each of the two rotating arms, and the two connecting columns are slidably connected to an inner portion of the sliding slot respectively.

As a preferred embodiment of the present invention, a nut is welded to an inner wall of one side of the housing, a stud is connected to an inside of the nut through a thread, and one end of the stud is connected to the moving plate through a bearing.

As a preferred embodiment of the utility model, a connecting ring is integrally formed on one side of the shell, and connecting holes which are distributed in central symmetry are formed in the outer wall of the connecting ring.

As the preferred embodiment of the utility model, the outer wall of one side of the mounting plate is welded with evenly distributed connecting nails, and the connecting holes are matched with the connecting nails.

As a preferred embodiment of the present invention, an installation groove is formed in an outer wall of one side of the installation plate, and a protection net is arranged inside the installation groove.

In the technical scheme, the acoustic horn with the anti-interference structure provided by the utility model has the beneficial effects that:

(1) through the outer shielding layer, the inner shielding layer and the filter that set up, utilize outer shielding layer and inner shielding layer for the interference that loudspeaker body during operation can anti external electromagnetic wave, make loudspeaker body during operation can be anti-interference to the noise signal of signal source inside through the filter, consequently realized the effect that stereo set loudspeaker interference killing feature is strong.

(2) Through the pivoted arm, motion board and the double-screw bolt that set up, the utilization rotates the double-screw bolt for the motion board drives the splint on two pivoted arms and carries out the centre gripping to the wave filter and fix, makes the installation of wave filter more convenient, makes the wave filter be convenient for change.

(3) Through the connecting groove and the connecting nail that set up, utilize connecting hole on the shell go-between to cooperate with the connecting nail on the mounting panel for it is more convenient when installing between shell and the mounting panel, consequently realized the effect that stereo set loudspeaker are convenient for assemble.

(4) Through the protection network and the dampproof course that set up, utilize the protection network can prevent that the cone department of loudspeaker body from being damaged by sharp object, can be so that loudspeaker body is difficult to take place the phenomenon of moisture damage in the course of the work through the dampproof course.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic diagram of an overall structure of an acoustic horn with an anti-interference structure according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal structure of an acoustic horn with an anti-interference structure according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a connection ring structure provided in an embodiment of an acoustic horn with an anti-interference structure according to the present invention.

Fig. 4 is a schematic diagram of an enlarged structure at a position a provided in an embodiment of an acoustic horn with an anti-interference structure according to the present invention.

Fig. 5 is a schematic diagram of an enlarged structure at a position B provided in an embodiment of an acoustic horn with an anti-interference structure according to the present invention.

Fig. 6 is a schematic diagram of a clip structure provided in an embodiment of an acoustic horn with an anti-interference structure according to the present invention.

Description of reference numerals:

the filter comprises a mounting plate 1, a housing 2, a mounting groove 3, a protective screen 4, a horn body 5, a connecting ring 6, a connecting nail 7, a connecting hole 8, an inner shielding layer 9, a damp-proof layer 10, an outer shielding layer 11, a rotating arm 12, a moving plate 13, a sliding groove 14, a connecting column 15, a nut 16, a stud 17, a clamping plate 18 and a filter 19.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, an acoustic horn with an anti-interference structure according to an embodiment of the present invention includes a mounting plate 1, a horn body 5 is connected to an outer wall of one side of the mounting plate 1 through a bolt, an outer shell 2 is disposed outside the horn body 5, an outer shielding layer 11 is disposed on an outer wall of the outer shell 2, an inner shielding layer 9 is disposed on an inner wall of the outer shell 2, a moisture-proof layer 10 is disposed on an outer wall of one side of the inner shielding layer 9 away from the outer shell 2, a filter 19 is disposed inside the outer shell 2, the filter 19 is electrically connected to the horn body 5 through a wire, two rotation arms 12 are hinged inside one side of the outer shell 2 through a shaft, clamping plates 18 are integrally formed at one ends of the two rotation arms 12, and the filter 19 is located between the two clamping plates 18.

Specifically, in this embodiment, a horn body 5 is connected to an outer wall of one side of the mounting plate 1 through a bolt, the horn body 5 is a sound amplifying component in a sound box in the prior art, a housing 2 is disposed outside the horn body 5, an outer shielding layer 11 is disposed on an outer wall of the housing 2, an inner shielding layer 9 is disposed on an inner wall of the housing 2, the outer shielding layer 11 and the inner shielding layer 9 are made of a metal copper material, so that the outer shielding layer 11 and the inner shielding layer 9 can play a role of just interfering with external electromagnetic waves, a moisture barrier layer 10 is disposed on an outer wall of one side of the inner shielding layer 9 away from the housing 2, moisture inside the housing 2 is absorbed by the moisture barrier layer 10, a filter 19 is disposed inside the housing 2, the filter 19 is of a type HT230E, the filter 19 is electrically connected to the horn body 5 through a wire, the filter 19 has an effect of filtering interference signals in a signal source, two rotating arms 12 are hinged inside one side of the housing 2 through a shaft, one end of the two rotating arms 12 is integrally formed with a clamp plate 18, and a filter 19 is positioned between the two clamp plates 18, and the filter 19 is fixed by the clamp plate 18.

According to the acoustic horn with the anti-interference structure, the outer shielding layer 11, the inner shielding layer 9 and the filter 19 are arranged, the outer shielding layer 11 and the inner shielding layer 9 are utilized, so that the horn body 5 can resist the interference of external electromagnetic waves when in work, and the filter 19 can resist the interference of noise signals in a signal source when the horn body 5 works, so that the effect of high anti-interference performance of the acoustic horn is achieved.

In another embodiment provided by the present invention, a moving plate 13 is disposed between the two rotating arms 12, two connecting posts 15 are welded on an outer wall of one side of the moving plate 13, a sliding slot 14 is formed on an outer wall of one side of the two rotating arms 12, and the two connecting posts 15 are respectively slidably connected inside the sliding slot 14, so that the moving plate 13 drives the two rotating arms 12 to move when moving, and further the two clamping plates 18 approach each other.

In another embodiment provided by the utility model, a nut 16 is welded on the inner wall of one side of the housing 2, a stud 17 is connected inside the nut 16 through a thread, one end of the stud 17 is connected with the moving plate 13 through a bearing, and the moving plate 13 drives the clamping plates 18 on the two rotating arms 12 to clamp and fix the filter 19 by rotating the bolt 17, so that the filter 19 is more conveniently mounted, and the filter 19 is conveniently replaced.

In another embodiment provided by the utility model, a connecting ring 6 is integrally formed on one side of the shell 2, connecting holes 8 which are distributed in a central symmetry manner are formed in the outer wall of the connecting ring 6, connecting nails 7 which are uniformly distributed are welded on the outer wall of one side of the mounting plate 1, the connecting holes 8 are matched with the connecting nails 7, and the connecting holes 8 in the connecting ring 6 of the shell 2 are matched with the connecting nails 7 in the mounting plate 1, so that the shell 2 and the mounting plate 1 are more convenient to mount, the acoustic horn is convenient to assemble and disassemble, and the acoustic horn is convenient to maintain.

In another embodiment provided by the utility model, the outer wall of one side of the mounting plate 1 is provided with a mounting groove 3, a protective screen 4 is arranged inside the mounting groove 3, and the protective screen 4 can prevent the paper cone of the loudspeaker body 5 from being damaged by a sharp object.

The working principle is as follows: when needing to fix filter 19 and shell 2, place filter 19 between two splint 18, then rotate stud 17, make stud 17 drive moving plate 13 and move, and then make the spliced pole 15 of moving plate 13 slide inside spout 14 of rocking arm 12, make the splint 18 of two rocking arm 12 one ends mutually close to, and then make filter 19 carry out the centre gripping by splint 18 and fix, when needing to be connected shell 2 and mounting panel 1, with connecting the top cooperation on connecting hole 8 of shell 2 go up the go-between of casing 2 go up with mounting panel 1, then rotate mounting panel 1, make connecting nail 7 get into the narrower position of width of connecting hole 8, and then make mounting panel 1 can carry out convenient fixed with shell 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. An acoustic horn with an anti-interference structure is characterized by comprising an installation plate (1), the outer wall of one side of the mounting plate (1) is connected with a horn body (5) through a bolt, the outer part of the horn body (5) is provided with a shell (2), the outer wall of the shell (2) is provided with an outer shielding layer (11), an inner shielding layer (9) is arranged on the inner wall of the shell (2), a moisture-proof layer (10) is arranged on the outer wall of one side of the inner shielding layer (9) far away from the shell (2), a filter (19) is arranged in the shell (2), the filter (19) is electrically connected with the horn body (5) through a lead, the filter is characterized in that two rotating arms (12) are hinged to the inner portion of one side of the shell (2) through a shaft, clamping plates (18) are integrally formed at one ends of the rotating arms (12), and the filter (19) is located between the two clamping plates (18).

2. The acoustic horn with the anti-interference structure according to claim 1, wherein a moving plate (13) is disposed between the two rotating arms (12), two connecting posts (15) are welded on the outer wall of one side of the moving plate (13), a sliding slot (14) is formed on the outer wall of one side of the two rotating arms (12), and the two connecting posts (15) are respectively slidably connected inside the sliding slot (14).

3. The acoustic horn with the anti-interference structure according to claim 2, wherein a nut (16) is welded to the inner wall of one side of the housing (2), a stud (17) is connected to the inside of the nut (16) through a thread, and one end of the stud (17) is connected to the moving plate (13) through a bearing.

4. The acoustic horn with the anti-interference structure according to claim 1, wherein the connecting ring (6) is integrally formed on one side of the housing (2), and the outer wall of the connecting ring (6) is provided with connecting holes (8) which are distributed in a centrosymmetric manner.

5. The acoustic horn with the anti-interference structure according to claim 4, wherein the outer wall of one side of the mounting plate (1) is welded with evenly distributed connecting nails (7), and the connecting holes (8) are matched with the connecting nails (7).

6. An acoustic horn with an anti-interference structure according to claim 1, characterized in that one side of the outer wall of the mounting plate (1) is provided with a mounting groove (3), and a protective screen (4) is arranged inside the mounting groove (3).