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JPS61187397

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DESCRIPTION JPS61187397
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
speaker connection method of an electric product having a rigid printed circuit board and a
speaker. Conventionally, in order to connect a pair of speaker connection terminals and a rigid
printed circuit board, two wires 31L and 3b are soldered to the rigid board 1 with a soldering
iron 4 as shown in FIG. A pair of connection terminals 6a in which the ends of the two speaker
connection lines 3a and 3b are configured as the speaker 5 as shown in FIG. A method has been
adopted in which wire processing is performed such as inserting in the holes 7 & 7 b provided in
6 b and soldering with a soldering iron 4. In this connection method, the work of soldering two
wires 3 & 3 b to the rigid printed circuit board 1 and a pair of speaker terminals 62 L. When
soldering the speaker connection lines 3a and 3b formed on the rigid printed circuit board 1 to
6b, the operation for holding the speaker connection lines 31L and sb with the hand 8 and the
speaker when the case 9 is incorporated into the case 2 Since there is a possibility that the
connection lines 31L and 3b may be caught between the two cases 2.9, it is necessary to carry
out a line processing operation, which causes a problem that it is difficult to reduce the number
of man-hours. The present invention solves such conventional problems, and an object of the
present invention is to provide an excellent speaker connection method capable of connecting a
speaker terminal and a rigid printed circuit board with a simple configuration. Means for Solving
the Problems In the speaker connection method of the present invention, a U-shaped linear
connection terminal having a V-shaped bent portion at both ends is formed into a U-shaped tip
provided on a rigid printed circuit board By inserting the linear connection terminal into the hole,
the concave portion bent in a V-shape of the linear connection terminal is hooked to the hole to
allow the linear connection terminal to stand on the printed circuit board. Soldering in the
process, then soldering the pair of speaker terminals of the speaker incorporated in the case to
the linear connection terminal, and then cutting the linear connection terminal between the pair
01-05-2019
1
of speaker terminals is there. In the speaker connection method of the present invention, the Ushaped linear connection terminals are inserted into the rigid printed circuit board, and soldering
is performed in the dip process to form the speaker connection terminals directly on the printed
circuit board. In comparison with the case where two independent wires are used to connect a
pair of speaker terminals to a rigid printed circuit board, the operation of soldering the wire rod
ffi IJ rigid printed circuit board, the operation of holding the wire by hand, the wire The line
processing operation can be omitted, which helps to reduce the number of assembling steps.
Embodiment A speaker connecting apparatus according to an embodiment of the present
invention will be described with reference to the drawings. 1 to 4 show an embodiment of the
present invention. The front end of the U-shaped linear connection terminal 10 is bent in the
shape of <->, and has a recess 11 in the bent portion. The concave portion 11 of the linear
connection terminal 1 ° is hooked on a pair of holes 13 whose tip formed on the rigid printed
circuit board 12 is in the shape of a letter. At this time, the both ends of the U-shaped linear
connection ′ ′ terminal 1o are inserted while being bent in the arrow direction. As a result, a
force is applied in the direction of the arrow shown in FIG. 2 by the elastic force of the U-shaped
linear connection terminal 10, and the V-shaped tip of the hole 13 on the rigid printed circuit
board 12 side And the U-shaped linear connection terminal 10 is self-supporting. Soldering is
performed in the dip process while maintaining this state, and the speaker connection terminal
14 is formed on the rigid printed circuit board 12. Then, as shown in FIG. 3, the rigid printed
circuit board 12 is mounted on the case 16, and the speaker 16 is mounted on the speaker
holding portion 1 a formed in the case 16. At this time, the positions of the pair of speaker
terminals 18 &, 1sb formed in the speaker 16 coincide with the height of the speaker connection
terminals 14 formed on the rigid printed circuit board 12 as shown in FIG. And a pair of speaker
terminals 18a. 18t) and the contact point of the speaker connection terminal 14 are soldered
with a soldering iron 19 as shown in FIG. 6, and thereafter, a pair of speaker terminals 18a. The
speaker connection terminals 14 are cut with a jig 20 between the connection portions of the
pair of speaker terminals 18 & 18 b so that the devices 18 b are respectively connected to the
predetermined circuit of the printed circuit board 12. As described above, according to the
speaker connection method of the present invention, the speaker connection terminal formed by
inserting a number of U-shaped linear connection terminals into a rigid printed circuit board and
performing soldering in a dipping process It is only necessary to disconnect the speaker
connection terminals between the pair of speaker terminals after placing the speaker in the case
and soldering so that the speaker terminals are in contact with each other, which improves the
workability and consequently the number of assembly steps. It is very useful for reduction.
[0002]
Brief description of the drawings
01-05-2019
2
[0003]
1 to 5 show an embodiment of the present invention, and FIG. 1 is a perspective view showing
the mounting state of the speaker, FIG. 2 is a sectional view showing the mounting state of the
speaker, and FIG. Fig. 4a is a perspective view showing a later process;
b is a cross sectional view and a plan view of the rigid printed circuit board mounting portion of
the linear connection terminal, FIG. 5 a and b are a cross sectional view and a plan view of the
linear connection terminal attached to the printed circuit board, and FIG. FIG. 7 is a perspective
view showing the attachment state of the speaker in the same manner, showing the connection of
the connection line to the printed circuit board. 10 ...... linear connection terminal, 11 ... ... recess,
12 ... ... printed circuit board, 13 ...... holes, for 14 ...... speaker connection Terminals 15... Case 16.
, 2 o ... ... jig. Name of agent Attorney Nakao Toshio 1 person 1 figure 1 figure 3 figure
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