JPH0744150Y2 - Speaker system - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to a speaker system in which a plurality of speaker units having different reproduction bands are arranged, and is particularly suitable as an embedded vehicle speaker system. Regarding

(Prior Art) Generally, an embedded type car speaker is mounted on a rear tray, a door pocket, etc., but as shown in FIG. 9, a woofer unit 42 and a unit 43 for mid-high range such as a squawker and a tweeter are arranged in a plane. When the speaker system 41 is attached to the rear tray 44, the radiation direction F of the high frequency sound is also directed toward the ceiling of the vehicle, and the high frequency deterioration in the driver seat is severe due to the directional characteristics, and the sound quality at the listening position is high. There is a drawback that causes deterioration. In order to improve this, generally, the high frequency unit is placed vertically on the low frequency unit as shown by a broken line 43x.

(Problems to be solved by the invention) However, as described above, when the high frequency unit is arranged vertically, the total height of the system becomes high and the rear window is increased.
There was a drawback that it hits 45, and there was a drawback that the embedded position of the unit was restricted because the inclination of the rear window was different depending on the car model. In addition, there is also a stationary vehicle-mounted speaker device in which low-frequency and high-frequency speaker units are arranged in a single speaker box, in which the upper and lower mounting positions of the high-frequency speaker can be adjusted in the speaker box. Although proposed, the purpose is to prevent the high range from being attenuated by the backrest by mounting the high range speaker by moving it upward in the case of a car model with a high backrest. Since the height of the does not change, it cannot be applied to the embedded type.

The object of the present invention is to eliminate the above-mentioned conventional drawbacks.
It is an object of the present invention to provide a speaker system in which a high-frequency unit can be slid with respect to a low-frequency unit and input wiring to the high-frequency unit can be easily and accurately performed.

[Configuration of Device] (Means for Solving Problems) A speaker system according to the present invention is a vehicle-mounted device configured to move and adjust the arrangement position of a high-frequency speaker unit with respect to a low-frequency speaker unit. In the speaker system for use with a low frequency unit, slide grooves are formed in the front-rear direction on both sides of the frame of the low frequency unit, and the speaker box in which the high frequency unit is disposed has legs. The high frequency speaker box is configured so as to be slidable in the front-rear direction on the front side of the low frequency unit by fitting the leg portion in the slide groove. The input line to the unit is provided along the slide groove with flexibility so as to allow the high-frequency unit to slide in the front-rear direction.

(Operation) For example, in a car speaker of a type in which a box in which a high-frequency speaker unit is arranged is placed upright on the front side of a low-frequency speaker unit, when the low-frequency unit is embedded in a predetermined position such as a parcel tray, If the box in which the high frequency unit is placed hits the rear window, it can be easily dealt with by sliding the high frequency unit forward. Therefore, the embedded position of the system is not restricted by the vehicle type or the like.

Wiring of the input line to the high frequency unit can be easily performed by performing the wiring along the slide groove, and the high frequency unit can be adjusted for movement, and the input line is not exposed to the outside.

(Embodiment) An embodiment of a speaker system according to the present invention will be described with reference to FIGS. 1 to 8. FIG. 1 is a partially cutaway front view, FIG. 2 is an overall perspective view, and FIG. FIG. 4 is a side view showing the slide mechanism, FIG. 4 is a perspective view showing the bottom side of the frame, FIG. 5 is a perspective view showing the bottom surface of the woofer unit with the net portion removed, and FIG. 6 is a squawker unit and FIG. 7 is a side view showing a form in which the slide plate for attaching the tweeter unit is removed, FIG. 7 is a side view showing a form embedded in the rear parcel tray, and FIG. It is a figure.

In the figure, 1 is the whole speaker system, 2 is a woofer unit, the frame 3A located at the upper part of the frame 3 is rectangular, and the magnetic circuit part 4 is formed by the radial ribs 3B at the bottom. It is supported. Woofer unit 2
The vibrating plate protection net 5 is arranged on the front side of the net. The net body 5A is stretched on the net frame 5B, and the net frame 5B is fitted to the frame portion 3A of the frame 3 and screwed from the back side. To be done.

The mid-high range unit is slidably arranged with respect to the woofer unit 2, but the squawker unit 7 and the tweeter unit 8 are arranged in the mid-high range unit box 6, and the mid-high range unit box 6 is arranged in the woofer unit 2. It is configured to be slidable on the front side of the. As a mechanism for this, a unit box 6 for mid-high range
Plate-like leg portions 9 are provided so as to project from the lower end edges on both the left and right sides of the frame, and correspondingly, a slide groove 10 is provided on the frame 3 side, and the leg portions 9 are fitted therein. .

Explaining the above-mentioned configuration in detail, the unit box 6 for the mid-high range has a slide plate 11 formed in the inside in a substantially L-shaped cross section.
And the squawker unit 7 and the tweeter unit 8 are arranged thereon, and a trapezoidal cover 12 having a net 13 on the front side is attached so as to cover them. The leg portion 9 is fixed to the slide plate 11 and protrudes from the cover 12.

Fitting plate portions 14 project downwardly on both sides of the net frame 5B, and slits 15 for inserting the leg portions 9 are formed inside the net frame 5B at edges 15a to 15b in FIG. It is formed in the range shown. The leg portion 9 projects longer than the fitting plate portion 14, and the lower end edge of the leg portion 9 slides on the bottom side of the slide groove 10. However, the middle and high range unit box 6 is fixed at a position where the movement is adjusted. Locking means 16 are provided for this purpose. In this embodiment, the locking means 16 is provided with a leaf spring-shaped sliding rail 17 supporting both front and rear ends on the bottom surface side of the slide groove 10, and along the slit 15 on the lower surface side of the net frame 5B. Comb-shaped engaging fittings 18 were attached, and correspondingly, engaging claws 9a were formed on the front and rear side edges of the leg portions 9 by cutting and raising. With this, when the unit box 6 for mid-high range is pushed in, the legs 9
The slide rail 17 pressed by the bottom edge of the
When the unit box 6 for middle and high frequencies is slid in this state from the position indicated by the solid line to the position indicated by the solid line and the pressure is released at a predetermined position in this state, the leg portion 9 is pushed up by the spring force of the slide rail 17 and the engaging claw 9a is released. The comb teeth of the engaging fitting 18 are engaged and locked. The third
In the figure, 20 is a raised seal material that is attached to both sides of the leg 9 to prevent dust from entering through the slit 15, and 21 is an edge of the woofer diaphragm.

The wiring structure of the input cords to the squawker unit 7 and the tweeter unit 8 is configured as shown in FIGS. 4 to 6, and the input cords derived from the terminal (not shown) provided in the woofer unit 22 Is the wiring groove 23 formed on the rear surface side of the rib portion 3B of the frame 3 and the frame portion 3A.
Wired through the wiring grooves 24, 25 formed on the back side of
It is connected to the terminal plate 26 protruding on the back surface of the net frame 5B.
From this terminal board 26, as shown in FIG. 5, a flexible printed wiring board 27 is attached to the inner surface of the fitting plate portion 14 on one side, and a fixing tape is attached to the inner surface of the rear leg portion 9 which is curved at the tip side.
It is fixed by 28 and its tip is connected to a printed wiring board 29 arranged on the slide plate 11 as shown in FIG. 6, and is guided from the printed wiring board 29 to the squawker unit 7 and the tweeter unit 8 via a network, respectively. . In addition,
In the embodiment, the flexible printed wiring board is made to crawl along the slide groove, but a normal cord can also be wired. Further, in the drawing, only the input code 22 is shown as a code for crawling the bottom surface side of the frame, but in the embodiment, the illumination is arranged on the back side inside the cover 12, and the power supply line for this is also input as described above. It goes through the same line as code 22. Reference numeral 30 is an illumination power cord led from the printed wiring board 29.

7 and 8 show an example of attachment to the rear parcel tray 31, and the rib portion 3B and the magnetic circuit portion 4 are embedded in the attachment holes 32. In this case, if the top of the mid-high range unit box 6 does not hit the rear 33, the mid-high range unit box 6 can be slid rearwardly with respect to the woofer unit 2, but like the sound of the rear 34. When the unit box 6 for the mid-high range hits, the unit box 6 for the mid-high range is slid forward and attached as shown in FIG. In addition, in FIG. 8, F is shown in the high-frequency sound emission direction.

"Effect of the Invention" According to the speaker system of the present invention, for example, in a car speaker of a type in which a box in which a speaker unit for high frequencies is arranged on the front side of a speaker unit for low frequencies is vertically arranged, When the unit is embedded in the parcel tray, etc., if the box in which the high range unit is placed hits the rear window, simply move the high range unit forward to deal with it. You can Therefore, the embedded position of the system is not restricted by the vehicle type or the like.

Also, since the wiring of the input line to the high frequency unit is performed along the slide groove, the wiring is simple, the movement of the high frequency unit can be adjusted, and the input line is not exposed to the outside. It is most suitable for this type of speaker system with multiple speaker units.

[Brief description of drawings]

1 to 8 show an embodiment of a speaker system according to the present invention. FIG. 1 is a partially cutaway front view, FIG. 2 is an overall perspective view, and FIG. 3 is a side view showing a slide mechanism. , 4th
The figure is a perspective view showing the bottom side of the frame, Fig. 5 is a perspective view of the woofer unit with the net part removed and seen from the bottom, and Fig. 6 is a part of the slide plate for attaching the squawker unit and the tweeter unit. FIG. 7 is a side view showing the removed perspective view, FIG. 7 is a side view showing a form embedded in the rear parcel tray, and FIG. FIG. 9 is a side view showing a conventional car speaker. 1: Whole speaker system, 2: Woofer unit 3: Frame, 3A: Frame part, 3B: Rib part 4: Magnetic circuit part of woofer unit, 5: Diaphragm protection net,
6: Mid-high range unit box 7: Squawker unit, 7, 8: Tweeter unit 9: Leg part, 10: Slide groove, 15: Slit 16: Locking means, 22: Input code 23, 24, 25: Wiring groove, 26 : Terminal board 27: Flexible printed wiring board, 29: Printed wiring board

Claims (1)

[Scope of utility model registration request] 1. A vehicle-mounted speaker system configured to move and adjust the arrangement position of a high-frequency speaker unit with respect to a low-frequency speaker unit, the low-frequency unit to be arranged upward. A slide groove is formed in the front and rear direction on both sides of the frame, and a leg portion is projectingly provided on the speaker box in which the high frequency unit is arranged, and the leg portion is fitted in the slide groove. The high-frequency speaker box can be slid forward and backward on the front side of the low-frequency unit, and the input line to the high-frequency unit can be slid forward and backward. A speaker system characterized in that the speaker system is provided with flexibility so as to allow the above, and is wired along the slide groove.