JP2000324596A - Speaker - Google Patents

Abstract

(57) [Summary] The present invention relates to a speaker used for various kinds of audio equipment, and provides a speaker in which connection of a flexible wire is facilitated. SOLUTION: The speaker according to the present invention has a holding member 8a and a flexible wire 6 which hold a relay member 8 connecting a terminal 2 and a voice coil 3 installed on a resin frame 1a.
a is constituted by a wall portion 8b for setting a position that does not collide with the diaphragm 5 or the damper 4 when the speaker is driven, so that the positioning and mounting of the flexible wire 6a can be performed extremely easily and the number of components can be reduced. .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker used for various kinds of audio equipment.

[0002]

2. Description of the Related Art In many cases, a speaker terminal connected to an audio signal amplifying section on a device side is provided on the front side of the speaker for easy connection with the device.

[0005] This conventional speaker will be described with reference to FIG.

FIG. 5 is a half sectional view of a conventional speaker.
Reference numeral 7 denotes a magnetic circuit including a lower plate having a center pole, an annular magnet, and an upper plate. Reference numeral 1 denotes a plastic frame coupled to an upper portion of the magnetic circuit 7, and reference numeral 3 denotes a magnetic gap of the magnetic circuit 7. 7a is a voice coil composed of a wire loop fitted in and a voice coil bobbin wound therearound. 4 is a voice coil having an inner periphery coupled to the voice coil 3 and an outer periphery coupled to the frame 1 to support the voice coil 3. Reference numeral 5 denotes a diaphragm having an outer periphery coupled to the frame 1 via an edge portion and an inner periphery coupled to the voice coil 3.

Reference numeral 2 denotes a speaker terminal mounted on the frame 1. A connector connected to an audio signal amplifier (not shown) of the device is inserted into the housing 2a. Reference numeral 2b denotes a terminal plate press-fitted or outsert-molded in the housing portion 2a connected to the connector.

Reference numeral 9 denotes an internal relay terminal having a pair of relay terminals mounted on the frame 1, and reference numeral 6 denotes one end connected to the terminal of the voice coil wire loop and the other end connected to the relay terminal 9. When the speaker is driven (the voice coil 3 moves up and down), the flexible wire is set at an appropriate spatial position such that it does not come into contact with the diaphragm 5 or the damper 4 and generate abnormal noise. One end is connected to the relay terminal, and the other end is a relay cord connected to the terminal plate 2b.

[0007] With the above configuration, the flexible wire 6 is set at an appropriate position where the collision with the adjacent component does not occur even when the position of the speaker terminal 2 is brought closer to the diaphragm 5 side.

[0008]

However, in the above-mentioned speaker, the connection work at the relay terminal 9 is troublesome and costly, and the connection points (soldering portions) are increased, so that the connection failure ( Disconnection, etc.).

An object of the present invention is to provide a speaker having a relay member which solves the above problems.

[0010]

In order to solve the above problems, a speaker according to the present invention has one end connected to a terminal of a wire loop of a voice coil and the other end connected to a terminal plate of a speaker terminal provided on a frame. Flexible wire,
A speaker comprising a relay member provided between said voice coil and said speaker terminal, said member being integrated with or separate from said frame, said relay member holding a flexible wire. And a wall portion on the voice coil side of the holding portion along which the flexible wire extends, and the flexible wire is held and fixed by the holding portion, and the position of the flexible wire is regulated by the wall portion, and relaying is performed. It is possible to provide an excellent speaker which eliminates the number of parts by eliminating the code and also prevents generation of abnormal noise due to collision with other parts (damper, diaphragm) due to the amplitude of the flexible wire when driving the speaker. Things.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a flexible terminal in which at least one end is connected to a terminal of a wire loop of a voice coil and the other end is connected to a terminal plate of a speaker terminal provided on a frame. A speaker comprising a wire and a relay member which is provided between the voice coil and the speaker terminal by being integrally or separately mounted on the frame, wherein the relay member includes a flexible wire. Since the holding portion and the wall portion along which the flexible wire is provided on the voice coil side of the holding portion are provided, the flexible wire is held and fixed by the holding portion and the position of the flexible wire is regulated by the wall portion, Remove the relay cord to reduce the number of parts and beside the flexible wire when driving the speaker. To prevent collision between the parts, and makes it possible to provide a speaker which also prevents damage and abnormal noise due to the collision.

According to a second aspect of the present invention, an inclined portion is provided on at least one of the opposing surfaces of the insertion opening of the flexible wire of the holding portion of the first aspect, and the insertion opening deeper than the inclined portion is provided. At least one of the opposing surfaces is provided with a protrusion protruding on the side facing the side, and the inclined portion facilitates insertion / attachment of the flexible wire, and the projection prevents the flexible wire from coming off after the attachment. It is.

According to a third aspect of the present invention, a flat portion is formed by extending the lower surface of the insertion opening of the first aspect, and the flat portion is inserted when the flexible wire is inserted. It is intended to facilitate insertion as a guide at the time.

According to a fourth aspect of the present invention, there is provided a pair of grooves or a projection for preventing contact of at least the pair of flexible wires in a direction along the pair of flexible wires of the wall. The present invention is intended to prevent the flexible wire from falling down to the left and right to more accurately regulate the position of the flexible wire and to prevent the flexible wires, which are bare wires, from contacting each other.

According to a fifth aspect of the present invention, a through hole is provided below the holding portion, and the holding state of the flexible wire can be easily confirmed from below by the through hole.

An embodiment of the speaker according to the present invention will be described below with reference to FIGS. The same parts as those in the related art are denoted by the same reference numerals, and description thereof will be omitted.

(Embodiment 1) FIG. 1 is a half sectional view of a speaker according to an embodiment of the present invention, FIG. 2 is a perspective view of a relay member as an essential part thereof, and FIG. FIG. 5 is a top view illustrating a state in which a flexible wire as a part is attached to a speaker.

Since the overall configuration of the speaker is the same as that of the prior art, only the configuration near the flexible wire 6a, which is the difference, will be described with reference to FIG.

According to FIG. 1, reference numeral 1a denotes a plastic frame, and a relay member 8 is formed by integral molding (the relay member 8 may be a separate member mounted on the frame 1a).

The flexible wire 6 a has one end connected to the terminal plate 2 b of the speaker terminal 2, an intermediate portion sandwiched between the relay members 8, and the other end connected to the wire loop of the voice coil 3.

The relay member 8 holding the flexible wire 6a lifts the holding portion 8a holding the flexible wire 6a and the flexible wire 6a to an appropriate position, and moves the flexible wire 6a when the speaker is driven.
The voice coil 3 is positioned so as to form an arc-shaped curve so as to be arranged at a position where it does not collide with the diaphragm 5 or the damper 4 due to abnormal amplitude and generate abnormal noise. The wall 8b is provided with a groove 8e. The wall 8b further has a groove 8e. The groove 8e prevents the flexible wires 6a, which are not covered with insulation, from being in contact with each other along the groove 8e. .

The groove 8e is replaced with the wall 8b.
May be provided between the flexible wires 6a along the line.

The holding portion 8a has an inclined portion 8c at the insertion opening.
Are provided facing each other, and a projection 8d protruding from the other facing surface is provided on one facing surface at the back of the inclined portion 8c.

The inclined portion 8c facilitates insertion of the flexible wire 6a into the holding portion 8a, and the flexible wire 6a
Is prevented from falling out of the holding portion 8a.

It is sufficient that the inclined portion 8c and the projection 8d are provided on at least one of the opposing surfaces.

Reference numeral 8f denotes a flat portion provided to extend to the inclined portion 8c on the lower surface side.
When the flexible wire 6a is inserted and fixed to the holding portion 8a, the flexible wire 6a having both ends connected thereto can be temporarily placed on the flat portion 8f and inserted. Nature is ensured.

As apparent from FIG. 3, the relay member 8
Is set so that the straight line formed by the flexible wire 6a connected to the terminal 2 and the voice coil 3 is located at least within the holding portion 8a of the relay member 8 so that the force in the direction of pulling out from the insertion port always acts. Is preferred because there is no

(Embodiment 2) Another embodiment of the present invention will be described with reference to a perspective view of a relay member which is a main part of FIG.
The same parts as those in the first embodiment are denoted by the same reference numerals, and the description will be omitted.

According to the drawing, reference numeral 8g denotes a through hole, and the holding state of the flexible wire 6a can be confirmed from below by the through hole 8g, and when the flexible wire 6a is fixed by the holding portion 8a by bonding,
This facilitates the application of the adhesive and allows the user to check the bonding state.

[0030]

As described above, according to the speaker of the present invention, the positioning and fixing of the flexible wire connecting the terminal and the voice coil can be performed extremely easily, the number of relay cords can be reduced, and the flexible wire at the time of driving the speaker can be reduced. An object of the present invention is to provide an excellent loudspeaker which also prevents generation of abnormal noise due to collision with other components (damper, diaphragm) due to amplitude.

[Brief description of the drawings]

FIG. 1 is a half sectional view of an embodiment of a speaker according to the present invention.

FIG. 2 is a perspective view of a relay member which is a main part of the same.

FIG. 3 is a top view showing a state where a flexible wire, which is the main part, is attached to a speaker.

FIG. 4 is a perspective view of a relay member as a main part of another embodiment of the present invention.

FIG. 5 is a half sectional view of a conventional speaker.

[Description of Signs] 1a frame 2 speaker terminal 2b terminal plate 3 voice coil 6a flexible wire 8 relay member 8a holding portion 8b wall portion 8c inclined portion 8d protrusion 8e groove portion 8f flat portion 8g through hole

Claims (5)

[Claims] 1. A flexible wire having one end connected to at least a terminal of a wire loop of a voice coil and the other end connected to a terminal plate of a speaker terminal provided on a frame, and a flexible wire between the voice coil and the speaker terminal. A speaker comprising a relay member provided integrally with or separately from the frame mounted on the frame, wherein the relay member is provided between a holding portion for holding a flexible wire and a voice coil of the holding portion. A speaker provided with a wall along which the flexible wire extends. 2. A sloping portion is provided on at least one of the surfaces of the holding portion facing the insertion opening of the flexible wire, and the holding portion protrudes toward the surface opposite to at least one of the facing surfaces of the insertion opening behind the sloping portion. 2. A projection provided with a projection.
Speaker. 3. The speaker according to claim 1, wherein a flat portion is formed by extending a lower surface side of the insertion slot. 4. The loudspeaker according to claim 1, wherein a pair of grooves or at least a protrusion for preventing contact between the pair of flexible wires is provided in a direction along the pair of flexible wires on the wall. 5. A through-hole is provided below the holding portion.
Speaker.