JP3250097B2 - Speaker terminal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker terminal device for connecting an external input and a lead wire extending to a lead wire of a voice coil in a speaker used for various kinds of audio equipment. is there.

[0002]

2. Description of the Related Art Various types of terminal devices for connecting a lead wire of a voice coil to an external input have been proposed and put into practical use. However, in general, a terminal device is generally provided on a rectangular substrate. A pair of L-shaped terminal lugs are fixed at a predetermined interval, and one of the terminal lugs is connected to the positive side of the flexible lead wire connected to the lead wire of the voice coil, and the other terminal lug is connected to the negative side. The mainstream structure is to fix each of the terminal lugs and the insertion piece by crimping each of the terminal lugs and the insertion piece, by inserting the insertion pieces into each terminal lug by soldering the tip of the external input line.

[0003]

From the viewpoint of components, the known terminal device includes a pair of terminal lugs, a board for fixing the terminal lugs, and an eyelet for fixing the terminal lugs to the board. From the viewpoint of productivity, fixing the terminal lug to the board using eyelets, inserting the lead wire into the mounting hole formed in the terminal lug, and fixing with solder, From the user's point of view, there are many problems to be solved practically in terms of parts management, productivity and ease of use, such as the need to insert two plugs, plus and minus, into the terminal lug during use. Have.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a terminal device for a speaker which has a small number of parts, has extremely good productivity, and has a very simple external input operation.

[0005]

In order to achieve the above object, a terminal device for a speaker according to the present invention comprises a substrate having a required shape.
Along with forming the mounting portion of the speaker frame to the lower surface, leads to a pair of leads coupled to the lead wire of the voice coil on an upper surface, capable of holding engagement with sensible allowed out on the surface of the part It is composed of a terminal member made of an insulator provided with a wire holding member, and a connector incorporating a pair of contacts capable of contacting a pair of lead wires exposed on the surface of the lead wire holding member. It is characterized by the following.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In a speaker terminal device according to the present invention, basically, a pair of lead wires connected to a lead wire of a voice coil is engaged and held by exposing a part of the lead wire to the surface. a terminal member which can and is formed from a connector for connecting the lead wire by fitted to the terminal member issued sensible to the surface an external input line.

[0007] One of the terminals constituting the speaker terminal device
The terminal member is formed of an insulator such as a plastic material, and is wound around a pair of lead wires coupled to the lead wire of the voice coil with a part thereof exposed on the surface. There is no particular limitation on the shape as long as it can be held in place, but preferably, an insulating material is provided on a substrate provided with a mounting portion to a terminal mounting plate formed on the speaker frame on the back surface. Lee made of block material
It is preferable to use the one to which the wire holding member is fixed.

[0008] Such a lead wire holding member is basically formed of a rectangular parallelepiped block material, and has a U-shaped concave groove or the like formed on a required side surface according to the type and shape of a speaker to be applied. The manner in which the holding groove is formed allows the way of winding the lead wire around the block material to be freely changed.

[0009] The holding groove provided in the lead wire holding member,
By forming a U-shaped concave groove on the side surface, the lead wire can be easily and easily engaged and held without using a tool, which is the most desirable means. The lead wire can be engaged and held by means for inserting and holding the lead wire through the insertion hole, and in any case, a part of the lead wire is connected to the lead wire holding member. It is important that only the required length be exposed on the side of the.

[0010] there is no special limitation on the kind of a pair of lead wires attached to the lead wires of the voice coil but, lead
Considering the engagement and holding of the wire holding member, a flexible lead wire is preferable.

The connector mounted on the terminal member has a shape which can be fitted into the terminal member from above or from the side. The connector fitted from above is, for example, a hollow body having an upper part closed. Forming the connector body,
A pair of contacts capable of contacting a pair of lead wires consisting of a plus wire and a minus wire protruding on the side surface of the lead wire holding member are provided inside the connector body, and external input wires are connected to the contacts, respectively. Examples of the connector include:

[0012] A pair of contacts provided in the connector,
When the connector is fitted into the terminal member and mounted, a metal plate having a narrow width is bent into a U-shape or a V-shape to provide elasticity so that contact between the contact and the lead wire is more reliably performed. Is most preferred.

[0013]

The terminal device for a speaker according to the present invention has a mounting portion that can be mounted on a terminal mounting plate formed on a speaker frame, and has a pair of lead wires connected to a lead wire of a voice coil on an upper surface portion . Part of it is exposed on the surface
Provide a lead wire holding member that can be engaged and held
A pair of lead wires connected to the lead wire of the voice coil are engaged with and held by a terminal member made of an insulator, and the connector is fitted into the lead wire holding member of the terminal member to thereby form a pair of contacts provided inside the connector. And the lead wire holder
By bringing the exposed lead wire into contact with the surface of the holding member, the voice coil and the external input can be easily, easily, and reliably conducted.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a speaker terminal device according to the present invention will be specifically described with reference to the accompanying drawings. As shown in FIG. 1, the speaker terminal device 1 of the present invention includes a pair of lead wires 8 connected to a lead wire 18 of a voice coil.
A terminal member 2 for engaging and holding the connector 9 and a connector 10 fitted into the terminal member 2 from above.

The terminal member 2 is a rectangular substrate 3 provided with notched grooves 3a and 3b for guiding the lead wires 8 and 9.
Wire consisting of a rectangular parallelepiped block at the center of the upper surface
The holding member 4 is vertically fixed, and a projection 3c for inserting into a mounting hole 17 of a terminal mounting plate 16 formed in the speaker frame 15 is integrally formed at the center of the back surface as is apparent from FIG. ABS formed
It is made of resin.

Lead wire holding member 4 made of this insulator
Is a pair of lead wires 8 (positive side), 9 (negative side)
Are provided with two concave grooves 5a, 5b, 6a, 6b in parallel on the left and right side portions, and two concave grooves 7a, 7b are formed in parallel on the upper surface. is there.

When the lead wire is engaged with and held by the lead wire holding member 4, the lead wires 8, 9 whose base ends are connected to the lead wire 18 of the voice coil as shown in FIG. Is drawn out onto the substrate 3 from the notch groove 3a, the notch groove 3b, the lead wire 8 is turned from the groove 5a to the groove 5b via the groove 7a, and the leading end is stopped by the groove 5b. The lead wire holding portion is turned from the groove 6a to the groove 6b via the groove 7b, and the leading end is stopped by the groove 6b.
Material 4 and a part of each of the leads 8 and 9
It appears in a state parallel to the front of the lead wire holding member 4.

One connector 10 has the above-described rectangular parallelepiped shape.
A rectangular parallelepiped hollow plastic connector main body 11 having a space enough for the lead wire holding member 4 to be inserted thereinto, and a pair of parallel plastic bodies mounted on one inner peripheral wall of the connector main body 11. , And each of the contacts 12 and 13 is made of a metal plate having a small width.
Bend in the shape of a letter to give elasticity to the whole
The external input lines 14 are connected to the terminals 2 and 13.

In the speaker terminal device 1 including the terminal member 2 and the connector 10 having the above-described configuration, the projection 3 c protruding from the back surface of the substrate 3 constituting the terminal member 2 is attached to the terminal mounting plate 16 of the speaker frame 15. The projection 3 which is inserted from above or below into the formed mounting hole 17 and protrudes from the mounting hole 17
After securing the substrate 3 to the terminal mounting plate 16 by heating and melting a c, re provided vertically on the substrate 3 as shown in FIG. 4
By fitting the connector 10 from above or below the lead wire holding member 4 and integrating them, the flexible lead wires 8 and 9 connected to the lead wire 18 of the voice coil and a pair of Contact 12,1
3 are brought into contact with each other to make the external input line 14 and a voice coil (not shown) conductive.

The terminal member 1a shown in FIG. 5 is a lead wire holding portion made of a rectangular parallelepiped block material provided vertically on a substrate.
Two concave grooves are formed on the peripheral surface of the material 4a in parallel in the vertical direction, and for example, a lead wire 8a on the plus side is formed in one of the concave grooves.
Is engaged and held by winding a negative lead wire 9a in the other groove in the horizontal direction.

The terminal member 1b shown in FIG. 6 is a lead wire holding member made of a block material in which a part of the lower surface is cut off on the substrate.
Fixing the member 4b so that the upper surface of the substrate and the cutout surface face each other;
A total of four concave grooves are formed on the upper and lower surfaces of the lead wire holding member 4b at predetermined intervals, for example, a plus lead wire 8b
From the upper groove to the lower groove.
b is engaged and held by being wound from the upper groove to the lower groove, respectively, and in each case, a connector (not shown) is fitted into each terminal member to form a terminal device of the speaker.

In the above embodiment, the lead wire
The holding member is fixed on a rectangular substrate, a projection is formed on the back surface of the substrate, the projection is passed through a mounting hole provided in a terminal mounting plate of the speaker frame, and the tip of the projection is heated to heat both ends. Is disclosed, but there is no particular limitation on the means for attaching the substrate to the terminal attachment plate, and the terminal member may be directly fixed to the terminal attachment plate.

In order to hold the lead wire in engagement with the lead wire holding member , a plurality of concave grooves are formed in the block material, the lead wire is wound between the concave grooves, and a part of the lead wire is
At least two shallow concave grooves are formed in the lead wire holding member , and each lead wire is engaged and held in a state where a part of the lead wire is exposed on the surface. It is not necessary to wind the lead wire if means for causing the lead wire to be used. In short, it is sufficient that the lead wire can be securely engaged and held without using means such as soldering on the lead wire holding member .

[0024]

A terminal device for a speaker according to the present invention has a mounting portion that can be mounted on a terminal mounting plate formed on a speaker frame, and has a pair of lead wires connected to a lead wire of a voice coil on an upper surface portion. Part of the surface
Lead wire holding member that can be exposed and engaged and held
A terminal member made of an insulator provided with the lead wire holding
Since it is composed of a connector with a pair of contacts that can contact a pair of leads exposed on the surface of the member, when connecting the voice coil to the external input line, the connector is fitted into the terminal member. The voice coil and the external input line can be connected very simply and easily.

In particular, the speaker terminal device of the present invention
A part of the lead wire connected to the lead wire of the voice coil is exposed on the surface of the lead wire holding member that constitutes the terminal member.
Only to be allowed to engage and hold, without conventional manner such as soldering need any, terminal lugs or eyelets, without requiring also components such as plugs, groove for engaging and holding the lead wire to the terminal member Is formed, it is possible to further improve the working efficiency for holding the engagement of the lead wire, and also to raise the productivity of the whole speaker and reduce the cost.

The connection of the external input line to the speaker is as follows:
The operation because it can by simple means of fitting the connector to the lead wire holding member is easy, connector Lee
By appropriately selecting the shape according to the appearance of the wire holding member , there is no need to provide male and female connectors as in the case of the conventional connector, which has a great advantage in speaker production.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an example of a speaker terminal device of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a perspective view of a main part showing an example of mounting a terminal member constituting a terminal device of the speaker of the present invention to a terminal mounting plate.

FIG. 4 is a partially cutaway front view showing an example of a speaker to which the speaker terminal device of the present invention is attached.

FIG. 5 is a perspective view showing another example of the terminal member constituting the terminal device of the speaker of the present invention.

FIG. 6 is a perspective view showing still another example of the terminal member constituting the terminal device of the speaker of the present invention.

[Explanation of symbols]

Reference Signs List 1 speaker terminal device 2 terminal member 3 substrate 4 lead wire holding member 5a, 5b concave groove 6a, 6b concave groove 7a, 7b concave groove 8, 9 lead wire 10 connector 11 connector body 12, 13 contact 14 external input line 15 Speaker frame 16 Terminal mounting plate

Claims (6)

(57) [Claims] 1. A mounting portion for a speaker frame is formed on a lower surface of a substrate having a required shape, and a pair of lead wires connected to a lead wire of a voice coil is formed on an upper surface portion, and a part of the lead wire is shown .
Lead wire holding that can be exposed and engaged on the surface
A speaker comprising: a terminal member made of an insulator provided with members; and a connector having a pair of built-in contacts capable of contacting a pair of lead wires exposed on a surface of the lead wire holding member. Terminal equipment. Wherein said lead wire holding member is made of a block material having an insulation property, by means such as winding a lead wire to the wall surface of the block material, its
Is engaged and held with part of the surface exposed on the surface .
The terminal device for a speaker according to claim 1, wherein the terminal device has a retaining groove that can be cut . Wherein the holding groove has a plurality of the side surface of said block member, which is formed at a predetermined depth
Terminal device of the speaker according to claim 2, characterized in that it consists of concave grooves. 4. The substrate according to claim 1 , wherein a notch groove for engaging and holding a lead wire is formed on each of the left and right symmetric side surfaces of the substrate with the lead wire holding member interposed therebetween. The terminal device for a speaker according to claim 1. 5. The speaker terminal device according to claim 1, wherein said lead wire is flexible and connected to a lead wire of a voice coil. Wherein said connector is a table of the against the lead wire holding member, upper or side have fitted shape capable of, the lead wire holding member therein
The terminal device for a speaker according to claim 1, further comprising a built-in U-shaped elastic contact member capable of contacting a pair of lead wires exposed on the surface.