JPH0686198B2 - Reverse alarm buzzer device for automobile - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle reverse alarm buzzer device having an improved alarm buzzer mounting structure for generating an alarm sound when an automatic shift lever is in a reverse position.

[Prior Art] As an alarm buzzer attached to an automobile compimator, for example, one having a structure as shown in JP-A-63-314784 is known. In the alarm buzzer shown here, the mounting claws, the structure of the terminals, and the strength thereof are designed on the assumption that they are assembled in the assembly process of the combimeter. In the assembling process of such a combimeter, the handling and assembling environment is relatively good.

However, in the case of the buzzer for the reverse warning installed in the vehicle using the automatic transmission,
It is selectively installed according to the type of mission of the vehicle. In other words, in a manual mission vehicle, such a reverse warning buzzer is not required to be attached, and it is a form that the reverse warning buzzer is attached and delivered to the combi-meter. The variation of the meter increases.

Therefore, it is widely demanded that a reverse alarm buzzer be assembled in a vehicle assembling process by a vehicle manufacturer. However, it cannot be said that the buzzer handling and assembling environment in the vehicle assembling process is better than that of the combimeter assembling process.

[Problems to be Solved by the Invention] The present invention has been made in view of the above points, and an alarm buzzer is attached in a vehicle assembling process in which the handling and assembling environment is not good. In this way, it can be installed efficiently only for automatic transmission vehicles,
An object of the present invention is to provide a reverse alarm buzzer device for an automobile that does not increase the variation of the combimeter.

[Means for Solving the Problem] In the vehicle reverse alarm buzzer device according to the present invention, the locking claw is integrally formed of resin on the mounting surface of the buzzer body, and the buzzer is formed by the locking claw. A housing is set so that the main body is attached and set, and a guide piece integrally formed on the housing so as to project to the bottom surface is brought into contact with the lead-out terminal of the buzzer main body. Install and set the elastic contact piece. And this housing, by the abutment mechanism,
Attached to the meter case structure formed on the vehicle body,
In this meter case structure, a metal wiring piece which is to be brought into contact with the elastic contact piece and is constituted by, for example, a flexible printed board is set.

[Operation] In the reverse alarm buzzer device configured as described above, the abutment mounting mechanism of the housing is formed in the meter case structure portion of the vehicle that is subjected to the vehicle assembly process. In the case of an automatic transmission vehicle, the housing with the buzzer body installed can be attached to the abutment attachment mechanism of the meter case, which simplifies handling of the buzzer and The reverse alarm buzzer can be efficiently assembled in this vehicle assembly process without being affected by the environment. In this case, a guide piece is formed on the bottom surface of the housing in a protruding manner, and a pair of elastic contact pieces that come into contact with the lead-out terminals of the buzzer body are attached to the guide piece. The elastic contact piece is surely brought into contact with the metal wiring piece, and the operation of the buzzer body is guaranteed.

[Embodiment of the Invention] An embodiment of the present invention will be described below with reference to the drawings.
FIG. 1 shows a cross-sectional structure thereof, in which a box-shaped mounting case portion 111 is formed in a meter case structure 11 portion integrally formed with a vehicle body. Then, the housing 13 in which the buzzer body 12 is mounted is fitted and set in the mounting case portion 111 using an abutting mechanism.

FIG. 2 shows the buzzer main body 12 mounted on the housing 13 in a taken-out manner. A pair of locking claws 151, 152 extending downward are provided at two opposite edge portions of the bottom surface of the main body 12. Has been formed. The locking claws 151 and 152 each have a claw formed outward, and are formed to have elasticity in a state of expanding in the direction of the claw,
The locking claws 151 and 152 are integrally formed of a synthetic resin together with the outer case of the buzzer body 12. A pair of lead terminals 161 and 162 are provided on the bottom surface of the buzzer body 12.

FIG. 3 shows the housing 13 to which the buzzer body 12 is attached taken out, and the housing 13 is made of synthetic resin. The bottom plate 17 of the housing 13 is formed with a pair of mounting holes 181 and 182 into which the pair of locking claws 151 and 152 of the buzzer body 12 are inserted.
Locking step portions 191 and 192 are formed on 181 and 182, respectively, to which the claw portions of the locking claws 151 and 152 abut. Then, the buzzer body 12 uses the locking claws 151 and 152,
The housing 13 should be abutted.

A pair of elastic contact pieces 201 and 202 are attached to the housing 13 so as to extend toward the inside of the box-shaped attachment case 111 of the meter case structure 11.

FIG. 4 shows elastic contact pieces 20 which are referred to as the contact pieces 201 and 202.
Is taken out and shown, and is composed of a thin metal plate having elasticity. Then, on both sides of one end thereof, fixing pieces 211 and 212 formed by bending at right angles are formed.
By fitting and tightening 212 and 212 into the locking holes formed in the bottom surface of the housing, the contact piece 20 is attached and set to the housing 13, and the flat surface portion 22 is brought into contact with the lead-out terminals 161 and 162 of the buzzer body 12, respectively. To

The main body portion 23 of the contact piece 20 is set so as to be bent at a right angle from the flat surface portion 22 and extend in the direction of the mounting case 111 of the meter case structure 11, and the main body portion 23 is elastic by being folded back. A contact piece 24 is formed. This contact 24
Is set along a guide piece 25 formed so as to extend integrally into the housing 13 into the mounting case 111, and the locking projection formed on the guide piece 25 is formed in the opening 231 formed in the main body portion 23. By locking 251 this contact piece 2
0 is attached to the housing 13 and set (see FIG. 1). 25 parts of this guide piece
It is configured as a part of a guide cylinder 26 integrated with the case 13, and this cylinder 26 is used when the housing 12 is attached to the meter case structure 11.
It is set to be inserted into the mounting case portion 111 of.

An abutment fixing claw 27 is also integrally formed on the housing 13. The fixed claw 27 is formed so as to be inserted into the mounting case 111 of the meter case structure 11 in a state of being parallel to the tubular body 26. In the inserted state, the housing 13 is abutted against the locking body 28 formed on the inner surface of the case 111 so that the housing 13 is fixedly set in the mounting case 111.

Here, on the inner surface of the mounting case 111, a metal wiring piece 29 constituted by a flexible printed board is set so that the contact piece 20 is contacted in the state set in the case 111. Piece 29 is a meter case structure
It is led out to 11 planes and is connected to the buzzer control circuit section as appropriate. Then, when the automatic transmission is set to reverse, the lead-out terminal of the buzzer body 12 from the metal wiring piece 29 through the elastic contact pieces 201 and 202.
A signal is given to 161 and 162, and the buzzer sounds.

That is, in the alarm buzzer device configured as described above, the buzzer main body 12 is assembled in a state where it is attached to the housing 13 and set. Then, this assembly is incorporated in the assembly process of the vehicle body, and when the automatic vehicle arrives at the vehicle body assembly line, the housing 13 in which the buzzer body 12 is mounted,
It may be mounted on the mounting case 111 portion formed on the meter case structure 11.

[Effects of the Invention] As described above, in the reverse alarm buzzer device according to the present invention, the buzzer is not assembled in the combination meter assembling process but in the vehicle body assembling process in accordance with the specifications of the vehicle. The housing to which the main body is attached and set is selectively attached to the meter case structure portion formed on the vehicle body. Therefore, for example, it is not necessary to set the variations of the combimeter for the manual mission and the automatic mission, respectively, and the variations can be effectively reduced, and the process control is greatly simplified. In the vehicle body assembling process, the handling and assembling environment is worse than that in the meter assembling process, but the housing with the buzzer body is mounted at a predetermined position of the meter case structure using the abutment mechanism. You can assemble this buzzer device with just the work. Therefore, in the process of assembling the vehicle body, the reverse alarm buzzer can be easily assembled and set, and it is possible to exert a great effect on the rationalization of the vehicle assembly line. Further, the elastic contact piece which is electrically connected to the metal wiring piece formed on the meter case structure formed on the vehicle body in the state where the alarm buzzer is attached and set as described above is When the housing is mounted on the meter case structure, the housing is securely connected and held to the wiring piece of the meter case structure, and the operating state of the vehicle is assured against vibration.

[Brief description of drawings]

FIG. 1 is a cross-sectional configuration diagram for explaining an automobile reverse alarm buzzer device according to an embodiment of the present invention, FIG. 2 is a diagram showing a buzzer body of the buzzer device, and FIG.
(B) is a front view, (C) is a bottom view, (D) is a side view, FIG. 3 is a view showing the same housing (A) is a plan view,
(B) is a side view and FIG. 4 is a view showing the elastic contact piece. 11 …… Meter case structure, 111 …… Mounting case, 12
…… Buzzer body, 13 …… Housing, 151,152 …… Locking claw, 161,162 …… Leading terminal, 20,201,202 …… Resilient contact piece, 25 …… Guide piece, 251 …… Locking protrusion Body, 27 …… abutting fixing claw, 29 …… metal wiring piece.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masaya Tsuji, 1-1, Showa-cho, Kariya city, Aichi prefecture, Nihon Denso Co., Ltd. (72) Inventor Masahiro Uda 2-1-1 Toyota-cho, Kariya city, Aichi Stock company Toyota Industries Corporation

Claims (1)

[Claims] 1. A buzzer main body having a mounting surface integrally formed with a locking claw made of resin, and a resin housing adapted to be set by abutting the locking claw on the buzzer main body. A guide piece integrally provided so as to protrude from the bottom surface of the housing, and having a locking projection formed in the side direction, and an opening engaged with the locking projection of the guide piece. ,
A pair of elastic contact pieces, which are attached and set so as to extend in a direction projecting from the bottom surface along the guide piece, in contact with each of a pair of lead-out terminals set on the bottom surface of the buzzer body; An abutment fixing claw that is integrally formed and is set to extend in a direction parallel to the elastic contact piece in the direction of the bottom surface of the housing; and the housing is attached and set using the abutment fixing claw. A reverse alarm buzzer device for an automobile, comprising: a meter case structure including a metal wiring piece with which the elastic contact piece contacts.