CN202602872U - A waterproof ventilating device for horns - Google Patents

Abstract

The utility model discloses a waterproof and breathable device for a speaker, which comprises a shell body fixedly mounted on a speaker chassis, a groove is arranged on the shell body and communicated with an air hole on the speaker chassis, a rubber pad with a central hole is installed in the groove, a breathable cloth is sandwiched between the rubber pad and the groove, and a breathable channel communicated with the atmosphere is arranged on the top of the groove; the product is provided with a breathable channel communicated with the air hole on the speaker chassis, and the design can balance the air pressure inside and outside the speaker, and prevent the speaker from making abnormal sounds or failing to make sounds; in addition, in order to prevent water from entering through the breathable channel, a breathable cloth is installed in the groove communicated with the breathable channel through the rubber pad, and the breathable cloth can effectively prevent water from entering the inside of the speaker and causing a short circuit, thereby effectively ensuring the normal use of the speaker.

Description

A waterproof ventilating device for horns

technical field

The utility model relates to a horn, in particular to a waterproof and breathable device for the horn.

Background technique

At present, the horns used in motor vehicles, if the waterproof device is not good, it is easy to enter the water, and after the horn is flooded, there will be short circuits, internal parts rusting, etc., resulting in abnormal sound of the horn, or even a complete loss of sound. Function.

Therefore, most of the horns on the existing motor vehicles adopt a fully-enclosed sealing method for waterproofing, but the disadvantage of this method is that due to the complete seal, when the electromagnetic coil inside the horn heats up, the expanding air will cause the diaphragm of the horn to go outward. Bulging, due to the imbalance of internal and external air pressure, the horn cannot continue to sound.

Utility model content

In order to solve the above problems, the purpose of this utility model is to provide a waterproof and breathable device for the horn.

The technical scheme of the utility model is:

A waterproof and breathable device for a speaker, which includes a housing fixedly installed on the speaker chassis, the housing is provided with a groove communicating with the air holes on the speaker chassis, and a rubber pad with a middle hole is installed in the groove , a breathable cloth is sandwiched between the rubber pad and the groove, and a breathable channel communicating with the atmosphere is arranged on the top of the groove;

The left and right sides of the housing are provided with mounting holes for bolt fixing with the horn chassis;

The ventilation channel and the groove are perpendicular to each other;

The opening of the ventilation channel is close to the center of the speaker chassis.

The beneficial effects of the utility model are: the product is provided with a ventilating channel communicating with the air hole on the chassis of the speaker, this design can balance the air pressure inside and outside the speaker, and prevent the speaker from making abnormal sounds or being unable to sound; in addition, in order to prevent water from passing through the ventilating channel Enter, in the groove that communicates with the ventilation channel, a breathable cloth is installed through a rubber pad. The breathable cloth can effectively prevent water from entering the inside of the speaker and cause a short circuit, thus effectively ensuring the normal use of the speaker.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the installation schematic diagram of the present utility model;

Fig. 2 is a sectional view of the utility model.

Detailed ways

With reference to Fig. 1, Fig. 2, a kind of waterproof ventilating device used on the speaker, it comprises the housing 2 that is fixedly installed on the speaker chassis 1, and the housing 2 is provided with groove 21 and air hole 11 on the speaker chassis 1 In communication, a rubber pad 22 with a middle hole is installed in the groove 21, a breathable cloth 23 is sandwiched between the rubber pad 22 and the groove 21, and a breathable channel 24 communicating with the atmosphere is arranged on the top of the groove 21.

In order to ensure a more stable installation of the product, mounting holes 25 and 26 for bolting to the horn chassis 1 are provided on the left and right sides of the housing 2 . In addition, in order to prevent water from entering from the air passage 24, the air passage 24 and the groove 21 are perpendicular to each other, and the opening of the air passage 24 is close to the center of the speaker chassis 1, this design makes the convex in the middle of the speaker chassis 1 It can block the ventilation channel 24, so as to achieve a better waterproof effect.

This product is provided with a ventilation channel 24 communicating with the air hole 11 on the speaker chassis 1. This design can balance the air pressure inside and outside the speaker and prevent the speaker from making abnormal or incapable sounds. In addition, in order to prevent water from entering through the ventilation channel 24, the Air-permeable cloth 23 is installed in the groove 21 communicated with the air-ventilating channel 24 through the rubber pad 22, and the air-permeable cloth 23 can effectively prevent water from entering the inside of the speaker and cause a short circuit, thereby effectively ensuring the normal use of the speaker.

Of course, if the design requires, the breathable cloth 23 can also be directly attached to the air hole 11 on the horn chassis 1 of the horn chassis 1, or on the air passage 24, but it is relatively difficult to install, so the above is only the preferred embodiment of the present invention. The implementation mode does not constitute a limitation to the protection scope of the present utility model, as long as the purpose of the present utility model is realized by substantially the same means, all should belong to the protection scope of the present utility model.

Claims (4)

1. waterproof and breathable device that is used on the loudspeaker; It is characterized in that: comprise the housing (2) that is fixedly mounted on the horn chassis (1); Said housing (2) is provided with groove (21) and communicates with the last pore (11) of horn chassis (1); The rubber blanket (22) of mesopore is installed in the said groove (21), has been clamped ventilative cloth (23) between said rubber blanket (22) and the groove (21), said groove (21) top is provided with the gas-permeable channels (24) with atmosphere.

2. a kind of waterproof and breathable device that is used on the loudspeaker according to claim 1 is characterized in that: the left and right sides of said housing (2) is provided with the installing hole (25,26) that carries out bolt with horn chassis (1).

3. a kind of waterproof and breathable device that is used on the loudspeaker according to claim 1 is characterized in that: vertical each other between said gas-permeable channels (24) and the groove (21).

4. a kind of waterproof and breathable device that is used on the loudspeaker according to claim 3, it is characterized in that: the opening of said gas-permeable channels (24) is near the center of horn chassis (1).

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