JPH0676999U - Ventilation structure of electric horn - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide an inexpensive and highly waterproof ventilation structure for an electric horn. A vehicle-side connector, a horn-side terminal that is electrically connected to the vehicle-side connector, and a rivet for fixing the horn-side terminal that electrically connects to the horn-side terminal and supplies power to the inside of the horn body. The horn side terminal is opened in a direction in which the vehicle side connector is inserted and connected, and the opening is opened in the gravity direction when the electric horn is mounted on the vehicle, and the horn side terminal and the terminal are formed. The vehicle-side connector inserted into the opening constitutes a ventilation path communicating with the opening, and the air chamber and the ventilation path communicating with the ventilation path and provided in the horn-side terminal are composed of the rivet and the horn-side terminal. The interior of the horn is communicated via a void.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric horn used for automobiles and motorcycles.

[0002]

[Prior art]

 An electric horn is generally provided with a ventilation structure to ventilate the inside of the horn body with the outside air. However, when it is installed in a place where rainwater is splashed, the ventilation structure allows the air to ventilate and at the same time blows the horn. Even the water may be drawn inside the horn due to vibration. Therefore, it is necessary to use a ventilation structure that does not draw in water, that is, has a high waterproof property. Conventionally, there are those that use a selective permeable ventilation membrane that allows air to pass through and repel water, or that uses an L-shaped bent ventilation pipe. Was known.

[0003]

[Problems to be solved by the device]

 Among the highly waterproof ventilation structures described in the prior art, the former has the problem that the ventilation membrane is expensive, and the latter requires many work steps to attach the ventilation pipe to the horn body, which increases the cost. Had the problem of becoming.

The present invention has been made in view of the above problems of the prior art, and its object is to provide a member that constitutes an electric horn without using new parts. It aims to provide a cheap and highly waterproof ventilation structure by utilizing.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a vehicle-side connector, a horn-side terminal for electrically connecting to the vehicle-side connector, and an electrical connection to the horn-side terminal inside a horn body. A rivet for fixing the horn-side terminal that supplies power, the horn-side terminal having an opening in the direction in which the vehicle-side connector is inserted and connected, and the opening has a direction of gravity when the electric horn is mounted on the vehicle. The horn-side terminal and the vehicle-side connector inserted into the terminal form an air passage communicating with the opening, and the air chamber and the air passage provided in the horn-side terminal communicate with the air passage. Is configured to communicate with the inside of the horn body through a gap formed by the rivet and the horn-side terminal.

[0006]

【Example】

 Examples will be described with reference to the drawings. Reference numeral 10 is a vehicle-side connector. Reference numeral 20 is a horn side terminal, which is composed of a terminal housing 22 and a terminal 23, and is electrically connected to the vehicle side connector 10. A rivet 30 fixes the horn-side terminal 20 to the horn body 40 and electrically connects to the terminal 23 of the horn-side terminal 20 to supply power to a vibration generator (not shown) inside the horn body. Reference numeral 50 is a diaphragm that is driven by a vibration generator to generate sound. Reference numeral 60 denotes a resonance plate, which resonates with the vibration plate 50 and emits a large sound. 70 is a stay for mounting the horn body 40 on the vehicle. The components of the electric horn described above are basically the same as the conventional ones, and the features of the present invention will be described below.

The terminal housing 22 is opened in the direction in which the vehicle side connector 10 is inserted, and the opening 24 is opened in the direction of gravity when the electric horn is mounted on the vehicle. The horn-side terminal 20 and the vehicle-side connector 10 inserted into the terminal 20 constitute a ventilation passage 25 that communicates with the opening 24 when both are inserted and fitted. Inside the horn-side terminal 20, an air chamber 26 communicating with the ventilation passage 25 and a ventilation passage 27 communicating with the air chamber 26 are formed. The larger the volume of the air chamber 26 is, the more the waterproof performance is improved. Further, the air chamber 26 and the two ventilation passages 25 and 27 communicating with the air chamber 26 are in a positional relationship of being bent in an L shape. It is preferably configured. A space 32 formed by the rivet 30 and the horn-side terminal 20 penetrates the horn body 40 to reach the inside of the horn body, and the ventilation passage 27 communicates with the inside of the horn body through the space 32. To do.

[0008]

[Effect of device]

 Since the present invention is configured as described above, it has the following effects. In obtaining a highly waterproof ventilation structure, no special parts are required as in the conventional case, and therefore an inexpensive electric horn can be provided. In addition, as for waterproofness, even if the sound is blown for 1 second and stopped for 59 seconds under watering conditions of JIS "S1" for 1 hour, the inside of the electric horn body is not flooded and high waterproofness can be obtained. .

[Brief description of drawings]

FIG. 1 is a partial sectional side view of a main part showing a ventilation structure of an electric horn.

FIG. 2 is a partial cross-sectional side view of a main part of a ventilation structure.

FIG. 3 is a partial cross-sectional plan view of a main part of the ventilation structure.

FIG. 4 is a partial cross-sectional plan view of a main part according to another embodiment of the ventilation structure.

[Explanation of symbols]

 10 Vehicle side connector 20 Horn side terminal 25,27 Ventilation path 26 Air chamber 30 Rivets 32 Void 40 Horn body

Claims (1)

[Scope of utility model registration request] 1. A ventilation structure of an electric horn for ventilating the inside of a horn body with outside air, comprising: a vehicle-side connector; a horn-side terminal electrically connected to the vehicle-side connector; and an electrical connection to the horn-side terminal. And a rivet for fixing the terminal on the horn side for supplying power to the inside of the horn body. In that case, the horn-side terminal and the vehicle-side connector inserted into the terminal constitute a ventilation passage communicating with the opening, and are provided in the horn-side terminal communicating with the ventilation passage. The ventilation structure of an electric horn, wherein the air chamber and the ventilation passage communicate with the inside of the horn body through a space defined by the rivet and the horn-side terminal.