JPH0728727Y2 - In-vehicle antenna device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a vehicle-mounted antenna device used for mounting a television receiver on an automobile or the like for viewing.

2. Description of the Related Art In recent years, the usage of television receivers mounted on automobiles and the like for viewing is increasing. The on-vehicle antenna device is attached to the roof side of the vehicle as shown in FIG. 4, or the antenna device as shown in FIG. 5 is attached to the roof center of the vehicle by a suction cup or the like. However, in the configuration shown in FIG. 4 and FIG. 5 as described above, the antenna element projects larger than the vehicle body, and even when the retractable antenna element is housed in the shortest position, the antenna element still projects. I had to remove it every time I washed the car because the brush would get caught.

Therefore, the applicant of the present application has proposed a vehicle-mounted antenna device in Japanese Patent Application No. 63-20552, in which the antenna element is housed so as not to project from the vehicle body.

An on-vehicle antenna device proposed in Japanese Patent Application No. 63-20552 will be described below with reference to the drawings. FIG. 2 is a perspective view showing a usage state of the vehicle-mounted antenna device, and FIG. 3 is a cross-sectional view of a main part of the device. 2 and 3, 1a, 1
Reference numeral b denotes a pair of parallel telescopic rod antenna elements (hereinafter abbreviated as antenna elements), and one antenna element 1b is provided so that the proximal end node can be bent and used. Reference numeral 2 is an arm to which the antenna elements 1a and 1b are attached, 3 is a left-right split type mounting base in which the antenna elements 1a and 1b and the arm 2 are housed, 4 is a base end portion of the arm 2 which is rotatable on the attachment base 3. A support shaft for attachment, 5 are attached to both longitudinal ends of the attachment base 3, a vehicle body attachment base for attaching the attachment base to the vehicle body, 6 is a cable connected to the antenna elements 1a and 1b, and 7 is a cable inserted and fixed. For this purpose, a groove provided on the inner surface of the mounting base 3 and an adhesive 8 for fixing the cable 6 to the groove 7.

Regarding the vehicle-mounted antenna device configured as described above,
The operation will be described below with reference to FIGS. 2 and 3.

One of the antenna elements is extended, and the other is a pair of antenna elements 1a and 1b bent from the base end node, which are deployed in the left-right and front-rear directions with respect to the vehicle body to receive radio waves. Since the arm 2 is rotatably attached to the attachment base 3 by the support shaft 4, the angles suitable for receiving the antenna elements 1a and 1b can be adjusted. Further, since the shortened antenna elements 1a, 1b and the arm 2 can be housed in the mounting base 3, it is not necessary to remove the brush each time the car is washed without the brush being caught on the antenna element during the car wash. This antenna device is attached and fixed to the vehicle body by using a double-sided tape, an adhesive, screws, or the like on the vehicle body mounting base 5. The cable 6 connected from the antenna elements 1a and 1b is the mounting base 3
It is divided into left and right inside, and is inserted and fixed with the adhesive 8 into the grooves 7 at both lower ends in the mounting base 3 and wired so as not to hinder the housing and taking out of the antenna elements 1a and 1b and the arm 2.

However, in the above-described configuration, the cable 6 is divided into the left and right in the mounting base 3, and the wiring is inserted and fixed in the grooves 7 at both ends of the lower portion with the adhesive 8. Is bad. If the adhesive 8 is not fixed completely, the cable 6 floats up from the groove 7, and the antenna elements 1a and 1b mounted in the mounting base 3 and rotatably mounted by the support shaft 4 are parallel to the arm 2. There is a problem that the cable 6 is caught and cannot be stored and taken out smoothly.

In view of the above-mentioned problems, the present invention can fix and wire a cable to a mounting base with a simple structure, and can smoothly store and take out a pair of telescopic rod antenna elements and arms that run in parallel. It is an object of the present invention to provide an excellent vehicle-mounted antenna device.

Means for Solving the Problems In order to achieve the above-mentioned object, a vehicle-mounted antenna device according to the present invention comprises a telescopic rod antenna in which a pair of telescopic rod antenna elements are rotatably mounted and can be housed in a left-right split type mounting base. A second storage portion for storing a cable, which is substantially separated from a first storage portion for storing the element and its arm and the above-mentioned first storage portion for storing the cable connected from the telescopic rod antenna element. Is provided.

With the above configuration, the cable connected from the telescopic rod antenna element is stored and wired in the second storage portion for storing the cable of the left-right split type mounting base, so that the cable is stored in the first storage portion. The rod antenna element and arm can be smoothly stored in and removed from the mounting base without being caught. Further, the work of fixing the cable to the mounting base can be easily performed at the same time when the arm having the pair of telescopic rod antenna elements attached to the left-right split type mounting base is incorporated.

Embodiment An on-vehicle antenna device according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of an essential part of a vehicle-mounted antenna device according to an embodiment of the present invention. In FIG. 1, 1a and 1b are telescopic rod antenna elements (hereinafter abbreviated as antenna elements), 2 are arms, 3 are left and right split type mounting bases, 4 are support shafts, 5 are vehicle body mounting bases, and above are the The configuration is the same as that of the conventional example shown in FIGS. 2 and 3. 9 is a parallel cable, 10 is a parallel cable storage part for storing the parallel cable, 11 is a shortened antenna element, 1a, 1
It is an antenna storage part for storing b. The parallel cable 9 is electrically coupled to the base ends of the antenna elements 1a and 1b so as to be capable of transmitting a received signal, and is connected to the base end of the arm 2 to the second
Is retracted into the parallel cabel storage unit 10, which is the storage unit of. Therefore, the parallel cable housing 10 and the antenna housing 11
Are continuously separated except for the space for pulling in the parallel cable 9.

The operation of the vehicle-mounted antenna device configured as described above will be described below.

At least one antenna element 1b of the pair of antenna elements 1a and 1b is provided so as to be bendable from the base node, and is expanded as shown in FIG. 2 similarly to the conventional example to receive front, rear, left and right radio waves. Arm 2 to left and right split type mounting base 3,
Since the support shaft 4 is rotatably provided, an angle suitable for reception can be adjusted. Also, shortened antenna elements 1a, 1
b and the arm 2 can be housed in the mounting base 3, and the parallel cable 9 connected from the telescopic rod antenna elements 1a and 1b is the parallel cable housing portion 10 below the mounting base 3.
Is stored and wired. To attach the mounting base 3 to the vehicle body,
It is realized by mounting and fixing to the vehicle body mounting base 5 using double-sided tape or the like.

As described above, according to the present embodiment, by providing the parallel cable storage portion 10 for storing the parallel cable 9 connected from the telescopic rod antenna elements 1a and 1b in the lower portion of the left-right split type mounting base 3, the parallel cable storage portion 10 is provided. The telescopic rod antenna element 1 and the arm 2 can be smoothly stored in and taken out from the mounting base 3 without being caught by the telescopic rod antenna element 1 and the arm 2.

Effect of the Invention According to the present invention, a telescopic rod antenna element and an arm are housed in a left-right split type mounting base, which is integrated with a first housing part for housing the telescopic rod antenna element and the arm. By providing the second storage part for storing the cable that stores only the cable connected from the cable, the cable will not be caught by the telescopic rod antenna element and the arm when storing the antenna, and can be smoothly stored in and removed from the mounting base. It is possible to improve usability. Furthermore, it is no longer necessary to fix the cable inside the mounting base with an adhesive, and there is no variation in the fixing work with the adhesive, and a pair of telescopic rod antenna elements are mounted on the left and right split mounting base. Since the arm can be installed and fixed at the same time, the workability and quality can be greatly improved, and its practical effect is great.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a main part of an on-vehicle antenna device according to an embodiment of the present invention, FIG. 2 is a perspective view showing a usage state of a conventional on-vehicle antenna device, and FIG. 3 is a conventional on-vehicle antenna device. FIG. 4 is a perspective view of another conventional example, and FIG. 4 and FIG. 1a, 1b ... Telescopic rod antenna element, 2 ... Arm, 3
…… Mounting base, 4 …… Spindle, 5 …… Body mounting base,
9 ... Parallel cable, 10 ... Parallel cable storage, 11 ...
… Antenna storage.

Claims (1)

[Scope of utility model registration request] 1. An arm to which a pair of parallel telescopic rod antenna elements are attached, and a retractable rod antenna element and an arm in which a proximal end portion of the arm is rotatably attached to one end thereof and which is shortened. And a left-right split type mounting base, wherein the mounting base is integrated with a first housing portion in which the telescopic rod antenna element and the arm are housed, and a base end portion of the arm from the telescopic rod antenna element is integrated. A second storage portion for storing two coaxial cables connected via the first and second coaxial cables;
And a space for retracting the first storage part from the second storage part to the second storage part, and the first storage part and the second storage part are continuously separated except for this space. In-vehicle antenna device.