CN215581580U

CN215581580U - Vehicle-mounted low-frequency loudspeaker

Info

Publication number: CN215581580U
Application number: CN202121825086.3U
Authority: CN
Inventors: 林清正
Original assignee: Changzhou Weibaite Electronics Co ltd
Current assignee: Changzhou Weibaite Electronics Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-18
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a vehicle-mounted low-frequency loudspeaker, and belongs to the field of loudspeakers. The vehicle-mounted low-frequency loudspeaker comprises a vehicle seat positioning piece, a vibration stopping assembly, a loudspeaker shell, a bass protection cover, a resonance protection cover, a grouting sealing cover, an interactive panel and a loudspeaker unit. According to the utility model, through the matching of the saddle positioning piece and the vibration stopping assembly, the mode of installing the ultra-thin seat low-frequency loudspeaker by using the traditional bolt is optimized to be extrusion type installation, the difficult process of disassembling the seat and butting the bolt is avoided, the workload of installing the loudspeaker is reduced, and thus the installation efficiency is improved; in addition, with the good back of utility model location, pour the concrete to the slip casting case to filled speaker and vehicle chassis clearance, weakened the resonance of vehicle chassis with the speaker greatly, avoided the vexed bass that the buzzing sound brought, and then strengthened sound feel.

Description

Vehicle-mounted low-frequency loudspeaker

Technical Field

The utility model belongs to the field of loudspeakers, and particularly relates to a vehicle-mounted low-frequency loudspeaker.

Background

The loudspeaker has an important position in an automobile sound system, at present, the loudspeaker on the original automobile generally only provides middle-pitch and high-pitch, and the sound system lacking the bass effect is not full in general feeling, so that the addition of the low-frequency loudspeaker becomes a necessary way for optimizing the vehicle-mounted sound system. Among the vehicle-mounted woofers, the woofer of the ultrathin seat does not occupy the space in the vehicle due to its small volume, has large energy, and meets the advantage of bass requirement.

In the prior art, the ultra-thin seat low-frequency loudspeaker is arranged below an automobile seat, so that the seat needs to be disassembled during installation, a plurality of loudspeakers need to be installed for cooperative operation due to the narrow and irregular loudspeaker space in the automobile, a thread installation mode is adopted during installation, the loudspeaker needs to be matched with an automobile chassis, a butt joint thread structure is very inconvenient, and the workload of disassembling the seat and installing the loudspeaker is large, and the efficiency is low; in addition, because the structure of the automobile chassis is complex, the number of formed gaps and cavities is large, the ultra-thin seat low-frequency loudspeaker is directly installed on the automobile chassis, resonance is easy to be caused, bass is dull, buzzing is generated, and sound texture is poor.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: an on-vehicle woofer is provided to solve the above-mentioned problems existing in the prior art.

The technical scheme is as follows: a vehicle-mounted low-frequency loudspeaker comprises a vehicle seat positioning piece, a vibration stopping assembly, a loudspeaker shell, a bass protective cover, a resonance protective cover, a grouting sealing cover, an interactive panel and a loudspeaker unit; the internally mounted of shell of raising one's voice has the unit of raising one's voice, the mid-mounting of shell up end of raising one's voice has bass protection casing, the slip casting closing cap is installed to the left portion of shell up end of raising one's voice, interactive panel is installed to the preceding terminal surface of shell of raising one's voice, the resonance protection casing is installed respectively to shell left and right terminal surface of raising one's voice, two the both sides of resonance protection casing are provided with the saddle setting element respectively, the bottom of shell of raising one's voice is installed and is ended the subassembly that shakes.

Furthermore, the saddle positioning piece consists of an adjusting screw rod, a clamping shell, a friction clamping block, an elastic sheet, a rubber block and a hinge column, wherein one end of the adjusting screw rod is connected to the loudspeaking shell, the other end of the adjusting screw rod is provided with the clamping shell, the elastic sheet is arranged on the inner bottom surface of the clamping shell, the friction clamping block is arranged on the upper side of the elastic sheet, the friction clamping block is connected to the clamping shell through the hinge column, and the rubber block is arranged on the upper end surface of the friction clamping block; the saddle positioning piece realizes non-threaded installation, avoids the difficult process of disassembling the seat and the butt joint bolt, and reduces the workload of installing the loudspeaker.

Furthermore, the vibration stopping assembly consists of a grouting box, tension springs and guide sliding blocks, the outer side wall of the grouting box is provided with a plurality of guide sliding blocks, the grouting box is internally provided with a plurality of tension springs, and concrete is poured in the grouting box; concrete is poured in the grouting box to fill the gap between the loudspeaker and the automobile chassis, and the resonance between the automobile chassis and the loudspeaker is greatly weakened.

Furthermore, an assembly groove in which the vibration stopping assembly is embedded is formed in the lower end face of the loudspeaker shell, and a guide sliding groove matched with the guide sliding block for use is formed in the side wall of the assembly groove; the loudspeaker shell is used for connecting and installing the whole structure, and can add the cooperation among all parts.

Further, a grouting pipe is arranged on the lower side of the grouting sealing cover of the loudspeaker shell, penetrates through the loudspeaker shell and extends to the vibration stopping assembly; the design that the slip casting closing cap is higher than the subassembly that only shakes makes slip casting case slip casting abundant, avoids the production of bubble and crackle, makes the subassembly that only shakes possess best performance.

Furthermore, the lower end surface of the loudspeaker shell and the inner side wall of the grouting box are covered with plastic films; plastic film can prevent that the slip casting from airing in-process steam corrosion part, can also make shell, slip casting case and slip casting of raising one's voice break away from fast when dismantling the maintenance.

Furthermore, the friction clamping block is of a right-angle trapezoidal structure, the elastic sheet is a hard elastic sheet made of spring steel, and the elastic sheet is of a V-shaped structure; the saddle positioning piece replaces a bolt to position by extrusion force by means of the interaction of the friction clamping block and the elastic sheet.

Has the advantages that: according to the utility model, through the matching of the saddle positioning piece and the vibration stopping assembly, the mode of installing the ultra-thin seat low-frequency loudspeaker by using the traditional bolt is optimized to be extrusion type installation, the difficult process of disassembling the seat and butting the bolt is avoided, the workload of installing the loudspeaker is reduced, and thus the installation efficiency is improved; in addition, with the good back of utility model location, pour the concrete to the slip casting case to filled speaker and vehicle chassis clearance, weakened the resonance of vehicle chassis with the speaker greatly, avoided the vexed bass that the buzzing sound brought, and then strengthened sound feel.

Drawings

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

Fig. 2 is a side sectional view of the seat keeper of the present invention.

FIG. 3 is a schematic structural diagram of the vibration damping assembly of the present invention.

The reference signs are: the vibration damping device comprises a seat positioning piece 1, an adjusting screw 11, a clamping shell 12, a friction clamping block 13, an elastic sheet 14, a rubber block 15, a hinge column 16, a vibration damping component 2, a grouting box 21, a tension spring 22, a guide sliding block 23, a loudspeaker shell 3, a bass protection cover 4, a resonance protection cover 5, a grouting sealing cover 6 and an interactive panel 7.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

As shown in FIG. 1, a vehicle-mounted low-frequency speaker comprises a speaker housing 3, a speaker unit installed inside the speaker housing 3, the speaker unit including a low passive radiator for adjusting bass to obtain high-quality timbre by means of the passive radiator, a bass shield 4 installed in the middle of the upper end surface of the speaker housing 3, a grouting cover 6 installed on the periphery of the bass shield 4, the grouting cover 6 preferably disposed at the lower left corner of the speaker housing 3 for facilitating subsequent casting, a grouting pipe disposed under the grouting cover 6, the grouting pipe passing through the speaker housing 3 and extending to the lower side of the speaker housing 3, the speaker housing 3 having a mounting groove on the lower end surface thereof for embedding a vibration-stopping component 2, a guiding chute disposed on the side wall of the mounting groove, and an interactive panel 7 installed on the front end surface of the speaker housing 3 for shortening the wire arrangement distance, the speaker housing 3 being left, right, left, right, left, right, and the speaker housing 3, The right side wall is respectively provided with a resonance protective cover 5, and the two sides of the two resonance protective covers 5 are respectively connected with the saddle positioning piece 1;

as shown in fig. 1-2, the seat positioning member 1 is composed of an adjusting screw 11, a clamping shell 12, a friction fixture block 13, a spring plate 14, a rubber block 15, and hinge posts 16, the clamping shell 12 is installed at one end of the adjusting screw 11, the V-shaped spring plate 14 made of spring steel is installed on the bottom surface inside the clamping shell 12, the friction fixture block 13 in a right trapezoid structure is arranged on the spring plate 14, the left part of the friction fixture block 13 is connected to the clamping shell 12 through the hinge posts 16, the rubber block 15 is installed on the upper end surface of the friction fixture block 13, and the seat positioning member 1 replaces a bolt with an extrusion force for positioning by means of the interaction between the friction fixture block 13 and the spring plate 14.

As shown in fig. 1 and 3, the vibration stopping assembly 2 is composed of a grouting box 21, a tension spring 22 and a guide slider 23, the grouting box 21 is provided with a plurality of guide sliders 23 on the outer side wall, a plurality of tension springs 22 are arranged inside the grouting box, the vibration stopping assembly 2 is arranged in an assembly groove of the loudspeaker housing 3, the guide sliders 23 are matched with a guide chute arranged on the loudspeaker housing 3 for use, the inner surface of the grouting box 21 and the lower surface of the loudspeaker housing 3 are respectively covered with a plastic film, the plastic film can prevent steam corrosion parts in the grouting and airing process, the loudspeaker housing 3 can also be detached when being detached for maintenance, the grouting box 21 is separated from grouting quickly, the grouting sealing cover 6 is higher than the vibration stopping assembly 2 so that the grouting box 21 is full of grouting, the generation of bubbles and cracks is avoided, and the vibration stopping assembly 2 has the best performance.

Particularly, when the automobile seat mounting device is used, a mounting beam of an automobile seat needs to be matched, firstly, an adjusting screw rod 11 of a seat positioning piece 1 is rotated to be equal in width of the beam, the seat positioning piece is kept horizontal, then a loudspeaker shell 3 is pressed to enable a tension spring 22 to contract, so that a vibration stopping assembly 2 is accommodated in an assembly groove formed in the bottom of the loudspeaker shell 3, then the vibration stopping assembly 2 is pushed into the lower portion of the seat along an automobile chassis, in the process, a friction clamping block 13 in the seat positioning piece 1 is forced to rotate around a hinge column 16, and an elastic sheet 14 reversely acts to clamp the friction clamping block 13 between the mounting beam of the automobile seat and the elastic sheet 14; after the position of the utility model is adjusted, the vibration-stopping component 2 is opened backwards, and the tension spring 22 recovers deformation, so that the utility model is fixed between the automobile bottom plate and the installation beam of the seat; then the grouting seal cover 6 is opened to pour concrete into the grouting box 21 to enable the grouting box 21 to be filled, so that a cavity partition is formed, resonance of the automobile chassis and the loudspeaker is greatly weakened, deep and low sound caused by buzzing is avoided, sound texture is enhanced, and finally the grouting seal cover 6 is covered after grouting is dried.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims

1. A vehicle-mounted low-frequency loudspeaker is characterized by comprising a vehicle seat positioning piece, a vibration stopping assembly, a loudspeaker shell and a grouting sealing cover; a grouting sealing cover is arranged on the upper end face of the loudspeaking shell, a seat positioning piece is arranged on the side wall of the loudspeaking shell, and a vibration stopping component is arranged at the bottom of the loudspeaking shell;

wherein, the saddle setting element comprises adjusting screw, screens shell, friction fixture block, shell fragment, block rubber, hinge post, adjusting screw's one end is connected on the shell of raising one's voice, and the screens shell is installed to the other end, the interior bottom surface of screens shell is provided with the shell fragment, the upside of shell fragment is provided with the friction fixture block, the friction fixture block passes through the hinge post and connects on the screens shell, the block rubber is installed to the up end of friction fixture block.

2. The vehicle-mounted low-frequency loudspeaker according to claim 1, wherein the number of the saddle positioning pieces is four, and the four saddle positioning pieces are distributed in a rectangular shape.

3. The vehicle-mounted low-frequency loudspeaker according to claim 1, wherein the vibration damping assembly is composed of a grouting box, tension springs and guide sliding blocks, a plurality of guide sliding blocks are installed on the outer side wall of the grouting box, a plurality of tension springs are installed in the grouting box, and concrete is poured in the grouting box.

4. The vehicle-mounted low-frequency loudspeaker according to claim 1, wherein the lower end surface of the loudspeaker shell is provided with an assembling groove in which the vibration stopping component is embedded, and the side wall of the assembling groove is provided with a guide sliding groove matched with the guide sliding block for use.

5. The vehicle woofer of claim 1 wherein the speaker housing is provided with a grout tube on the underside of the grout cap, the grout tube passing through the speaker housing and extending to the vibration suppressing assembly.

6. The vehicle low-frequency speaker according to claim 3, wherein the speaker housing is covered with a plastic film on the lower end surface and the inner side wall of the grouting case.

7. The vehicle-mounted low-frequency loudspeaker according to claim 2, wherein the friction clamping block is of a right trapezoid structure, the elastic sheet is a hard elastic sheet made of spring steel, and the elastic sheet is of a V-shaped structure.

8. The vehicle-mounted low-frequency loudspeaker according to claim 1, comprising a loudspeaker unit and an interactive panel, wherein the loudspeaker unit is mounted inside the loudspeaker housing, the loudspeaker unit is connected with the interactive panel, and the interactive panel is mounted on a side wall of the loudspeaker housing.

9. The vehicle-mounted low-frequency loudspeaker according to claim 1, comprising a bass shield and two resonance shields, wherein the bass shield is mounted on the upper end face of the loudspeaker housing, the resonance shields are mounted on the side walls of the loudspeaker housing, and the two resonance shields are respectively mounted on the adjacent faces provided with the interactive panels.