JP2004048612A - Mounting structure of speaker to substrate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide mounting structure of a speaker to a substrate which can mitigate the number of manufacturing processes for directly mounting the speaker to the substrate, generates no problem such as omission of insertion of a connector on assembly work in the conventional speaker and can realize increase in efficiency of the number of production. <P>SOLUTION: The mounting structure is constituted by engaging a fixation unit 3 constituted by mounting the speaker 2 on an upper surface 3a, forming a tapered surface 3b of which four directional edges are inclined upward and inside and a groove part 3c for engaging a substrate 1 on the tapered surface 3b from a lower part into a space 1a of a gap formed by removing a divided substrate on the substrate 1, engaging a prong edge 1b of an opening part consisting of the gap space 1a of the substrate 1 into the groove part 3c of the tapered surface 3b of the fixation unit 3, mounting, fixing the fixation unit 3 on the substrate 1, mounting and fixing the speaker 2 on the substrate 1, soldering wiring 4 of the speaker 2 on the substrate and mounting a guide plate 5 which guides flow of voice at a place in the vicinity of an edge part of a through hole for voice output of the fixation unit 3. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an improvement in a structure for mounting a speaker to a substrate.
[0002]
[Prior art]
In a conventional speaker mounting structure, for example, as shown in FIG. 8, a speaker main body 101 is mounted and fixed to the bottom of a front cabinet 102, and a connector 104 at a distal end of a wiring 103 from the speaker main body 101 is separate. The connection is made by inserting the connector into a connector pin provided on a substrate (not shown).
However, with such a structure, when assembling the front cabinet 102 or the CRT 105, there are many problems in assembling work such as forgetting to insert the connector 104 of the speaker 101 into the connector pin of the board. I was
[0003]
Japanese Utility Model Application Laid-Open No. Sho 62-180987 describes a fixing structure of an alarm.
As shown in FIGS. 9A and 9B, a plurality of notches 201 d and holes 201 b are provided in the substrate 201, and a protrusion for inserting and fitting into the notch 201 d is provided on the fixing member 203 side. 203a is provided, and the annunciator 202 is fixed between the substrate 201 and the fixing member 203.
However, in this case, there is a problem that a space for providing the hole 201b is required on the board even if the audio output circular hole 204 provided on the board 201 is the remaining space of the split board. .
[0004]
Japanese Patent Application Laid-Open No. 10-178798 describes a connection structure of an input terminal of a speaker.
As shown in FIG. 10, a conductive connection plate 320 having an opening 321 at the tip is fixed to an input terminal 311 of a speaker 310, and a conductive spring member 340 is fixed to a printed board 330. The base 341 is soldered, and the spring member 340 has an arm 342 extending from the base 341 toward the speaker 310, and the front 343 of the arm 342 is bent upward. The upper end 345 of the upward portion of the spring member 340 is bent downward in a mountain-like manner, and the top 346 is fitted into the opening 321 of the connecting plate 320, and the elastic return force of the spring member 340 causes an elastic contact state. Thus, the spring member 340 is connected to the connection plate 320.
However, this is a connection structure of the input terminal 311 of the speaker 310, and does not fix the speaker body itself to the substrate.
[0005]
Further, Japanese Utility Model Application Laid-Open No. 61-97290 discloses a structure for mounting an electric component having a flange on a circuit board.
As shown in FIGS. 11 (a), 11 (b), and 11 (c), this is an annular body 412 made of an elastic material and having a part removed. A groove having a groove 413 provided thereover, and locking projections 414 projecting from the ring plane and inserted into locking holes 416 provided in the mounting circuit board 401 at both ends and an intermediate portion of the annular body 412. It is.
However, in this case, since the locking holes 416 provided in the circuit board 401 do not use the remaining space of the discarded board, a space for providing a plurality of locking holes 416 on the board is required. There was a problem.
[0006]
[Problems to be solved by the invention]
The present invention solves the above-mentioned conventional problems, and can reduce the number of manufacturing steps by directly attaching the speaker to the substrate. It is an object of the present invention to provide a structure for mounting a speaker to a substrate, which does not occur and can realize an efficient production number.
[0007]
[Means for Solving the Problems]
The present invention has been proposed in order to solve the above-mentioned problem, and the invention according to claim 1 has a speaker mounted on the upper surface and a four-sided edge in a space of the board from which the split board is removed. A fixed unit having a tapered surface inclined upward and inward and a groove portion for fitting a substrate formed in the tapered surface is fitted from below, and a hole edge of an opening portion formed of a gap space between the substrates is formed by the fixing unit. The speaker is attached and fixed to the substrate by being fitted into the groove of the tapered surface and being fixed to the substrate, and the wiring of the speaker is soldered to the substrate. Is characterized in that a guide plate for guiding the flow of sound is attached near the edge of the through hole for sound output formed in the fixed unit.
[0008]
The speaker according to the second aspect of the present invention is fixedly mounted on the board by inserting a fixing unit having a speaker mounted on an upper surface thereof into a space of the board on which the split board is removed, thereby fixing the speaker to the board. The speaker wiring is soldered to the substrate.
The invention according to claim 3, wherein a peripheral edge of the fixing unit is formed on a tapered surface whose upper side is inclined inward, and a groove portion into which a hole edge of an opening portion formed by a gap space of the substrate fits into this tapered surface. Is formed, and the fixing unit is forcibly pushed into the opening of the substrate with a tapered surface of the periphery thereof, and the hole edge of the opening of the substrate is fitted into the groove of the tapered surface. The speaker is attached and fixed to the substrate by attaching the fixing unit.
[0009]
The invention described in claim 4 is characterized in that a plurality of hooks having inward claws are provided on the upper surface of the fixing unit, the hooks being engaged with and fixed to the periphery of the speaker. .
According to a fifth aspect of the present invention, a groove is formed on a tapered surface of the periphery of the fixed unit, with one side being located on the lower side and the other being located on the upper side, and the fixed unit is fitted into the opening of the substrate. In this state, the fixed unit is attached to the substrate in a state where the audio outlet side of the housing in which the substrate is disposed is open upward. It is characterized by:
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a mounting structure of a speaker to a substrate according to the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing a mounting structure of a speaker to a substrate according to a first embodiment of the present invention, FIG. 2 is a partial cross-sectional front view before assembling the same structure, and FIG. It is a fragmentary sectional front view.
[0011]
As shown in FIG. 1, FIG. 2, and FIG. 3, the mounting structure of the speaker to the substrate according to the first embodiment is as follows. A fixed unit 3 having a tapered surface 3b having a four-sided edge inclined inward upward and a groove 3c for fitting the substrate into the tapered surface 3b is fitted from below to open the gap 1a of the substrate 1 with a gap space 1a. The loudspeaker 2 is mounted and fixed to the substrate 1 by fitting the hole edge 1b of the hole into the groove 3c of the tapered surface 3b of the fixed unit 3 and mounting and fixing the fixed unit 3 to the substrate 1. . On the lower surface of the fixed unit 3, a guide plate 5 for guiding the flow of sound is attached near the edge of the through-hole 3e for sound output formed in the fixed unit 3. Further, the wiring 4 of the speaker 2 is passed through the vertical hole 3d formed in the fixed unit 3 and the through hole 5a formed in the guide plate 5, and is soldered to the lower surface of the substrate 1.
[0012]
According to the mounting structure of the speaker to the board of the first embodiment, the speaker 2 can be securely and stably mounted and fixed to the board 1 via the fixing unit 3. Since the tapered surface 3b is formed at the edge, the fixing unit 3 can be smoothly fitted into the gap space 1a of the substrate 1 from below.
Further, by directly attaching the speaker 2 to the substrate 1 via the fixing unit 3, the number of manufacturing steps can be reduced, and a problem in assembling work that has frequently occurred such as forgetting to insert the connector of the speaker 2 occurs in the past. Therefore, the efficiency of the number of production can be improved.
Further, since the guide plate 5 is attached to the lower surface of the fixed unit 3, the sound generated from the speaker 2 can be satisfactorily guided by the guide plate 5 without leaking in the lateral direction.
[0013]
FIG. 4 is a partial cross-sectional front view of a disassembled state before assembling showing a mounting structure of the speaker of the second embodiment to a substrate, FIG. 5 is a partial cross-sectional front view of the same structure in the middle of assembling, and FIG. It is a partial cross-sectional front view at the time of completion of assembly. The same members and the same portions in the first embodiment described above are denoted by the same reference numerals, and description thereof will be omitted.
As shown in FIG. 4, FIG. 5, and FIG. 6, the mounting structure of the speaker according to the second embodiment is fixed to the upper surface of the fixed unit 3 by engaging the peripheral edge 2a of the speaker 2 with the upper surface. A plurality of hooks 6 each having an inward claw 6a are provided upright.
[0014]
According to the mounting structure of the speaker to the substrate according to the second embodiment, the speaker 2 can be easily attached to the fixed unit 3 only by engaging the peripheral edge of the speaker 2 with the plurality of hooks 6 on the upper surface 3 a of the fixed unit 3. The speaker 2 can be easily detached from the fixed unit 3 and maintenance of the speaker can be easily performed.
[0015]
FIG. 7 is a partial cross-sectional front view showing a state in which the board to which the speaker is mounted in the structure for mounting the speaker to the board of the third embodiment is arranged in a cabinet. The same members and the same portions in the first embodiment described above are denoted by the same reference numerals, and description thereof will be omitted.
As shown in FIG. 7, in the mounting structure of the speaker to the substrate according to the third embodiment, grooves 3f and 3g having a lower side on one side and an upper side on the other side are formed on a tapered surface 3b on the periphery of the fixed unit 3. Is formed.
[0016]
When the fixing unit 3 is fitted and attached to the opening formed by the gap space 1a of the substrate 1, the fixing unit 3 is in a state of being inclined obliquely, and the fixed unit 3 is attached to the substrate 1 in such an inclined state. It can be attached. Furthermore, when the substrate 1 is arranged in the cabinet 7 in a horizontal direction, the sound can escape to the outside from the sound outlet 7a formed in the cabinet 7 without leaking in the other direction.
According to the mounting structure of the speaker to the substrate according to the third embodiment, the fixed unit 3 to which the speaker 2 is mounted is mounted on the substrate 1 in an inclined state, so that when the substrate 1 is disposed in the cabinet 7, The sound generated from the speaker 2 can be efficiently output to the outside from the sound outlet 7a of the cabinet 7.
[0017]
【The invention's effect】
As described above, according to the first aspect of the present invention, the speaker is mounted on the upper surface, and the four edges are inclined upward and inward in the space of the gap where the split substrate is removed. A fixed unit having a groove for board insertion is fitted from below, and the edge of an opening formed by a gap space between the substrates is fitted into a groove on a tapered surface of the fixed unit, and the fixed unit is attached to the substrate. By being fixed, the speaker is attached and fixed to the board, the wiring of the speaker is soldered to the board, and further, on the lower surface of the fixed unit, near the edge of the through-hole for audio output formed in the fixed unit. Since the guide plate for guiding the flow of the sound is attached to the location, the following effects can be obtained.
[0018]
That is, the speaker can be securely and stably attached and fixed to the substrate via the fixing unit, and since the fixing unit has tapered surfaces on its four edges, the fixing unit can be attached to the gap space of the substrate. Can be fitted smoothly from below.
Furthermore, by directly attaching the speaker to the substrate via the fixing unit, the number of manufacturing steps can be reduced, and there is no occurrence of a problem that frequently occurred in the past, such as forgetting to insert the connector of the speaker, and the like. It is possible to increase the efficiency of the production volume.
Further, since the guide plate is attached to the lower surface of the fixed unit, the sound generated from the speaker can be satisfactorily guided by the guide plate without leaking in the lateral direction.
[0019]
According to a second aspect of the present invention, the speaker is attached and fixed to the substrate by fitting the fixing unit having the speaker attached to the upper surface into the space of the substrate from which the split substrate has been removed, thereby fixing the speaker to the substrate. Is soldered to the substrate, so that the following effects can be obtained.
That is, the number of manufacturing steps can be reduced by directly attaching the speakers to the substrate, and the problem of frequently occurring assembling work such as forgetting to insert the connector of the speaker, which has conventionally occurred, does not occur. Can be realized.
[0020]
According to a third aspect of the present invention, the peripheral edge of the fixing unit is formed on a tapered surface whose upper side is inclined inward, and a groove is formed on the tapered surface so that the hole edge of the opening formed by the gap space between the substrates fits. The fixing unit is forcibly pushed into the opening of the substrate by the tapered surface of the periphery thereof, and the hole of the opening of the substrate is fitted into the groove of the tapered surface, and the fixing unit is attached. Thus, the speaker is mounted and fixed to the board, so that the fixing unit can be smoothly fitted from below into the gap space of the board and mounted and fixed.
[0021]
According to the fourth aspect of the present invention, since the plurality of hooks having the inward claws to which the peripheral edge of the speaker is engaged and locked are provided on the upper surface of the fixing unit, the peripheral edge of the speaker is fixed. The speaker can be easily attached to the fixed unit simply by engaging and locking the hooks on the upper surface of the unit, and the speaker can be easily removed from the fixed unit, facilitating speaker maintenance. be able to.
[0022]
According to a fifth aspect of the present invention, a groove is formed in the tapered surface of the periphery of the fixed unit, one side of which is located on the lower side and the other side is located on the upper side. The fixed unit can be attached to the board with the audio outlet side of the housing where the board is placed open upward, so that the speaker can be attached. By attaching the fixed unit to the substrate 1 in a tilted state, when the substrate is placed in the housing, the sound generated from the speaker can be efficiently output to the outside from the audio outlet of the housing.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a structure for mounting a speaker to a substrate according to a first embodiment of the present invention.
FIG. 2 is a partial cross-sectional front view of the same structure before assembling.
FIG. 3 is a partial cross-sectional front view when the assembly of the structure is completed.
FIG. 4 is a partially sectional front view of a disassembled state before assembling showing a structure for attaching a speaker to a substrate according to a second embodiment.
FIG. 5 is a partially sectional front view of the same structure in the process of being assembled.
FIG. 6 is a partial cross-sectional front view when the assembly of the structure is completed.
FIG. 7 is a partial cross-sectional front view showing a state in which a board to which a speaker is attached in a structure for attaching a speaker to a board according to a third embodiment is arranged in a cabinet.
FIG. 8 is a perspective view showing a conventional speaker mounting structure.
9A and 9B show a fixing structure of a conventional alarm device, in which FIG. 9A is an exploded perspective view, and FIG.
FIG. 10 is a perspective view showing a connection structure of input terminals of a conventional speaker.
11A and 11B show a conventional structure for mounting an electric component having a flange on a circuit board, wherein FIG. 11A is an exploded perspective view, FIG. 11B is a perspective view showing an example of the electric component, and FIG. It is a sectional side view showing a state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Substrate 1a Space 1b Hole 2 Speaker 2a Perimeter 3 Fixed unit 3a Upper surface 3b Tapered surface 3c Groove 3f, 3g Groove 4 Wiring 5 Guide plate 6 Hook 6a Inward claw 7 Cabinet (housing)

Claims (5)

A fixed unit with a speaker mounted on the upper surface and a tapered surface with four sides sloping upwards inward and a groove for fitting the substrate on this tapered surface is located on the lower side in the space of the board with the split board removed. The speaker is attached to the board by fixing the fixed unit to the board by fitting the edge of the opening formed by the gap space of the board into the groove of the tapered surface of the fixed unit. The wiring of the speaker is soldered to the substrate, and further, a guide for guiding the flow of sound to a position near an edge of an audio output through hole formed in the fixed unit is provided on a lower surface of the fixed unit. A structure for mounting a speaker to a substrate, wherein a plate is mounted. The speaker is attached and fixed to the substrate by fitting and attaching a fixing unit having the speaker attached to the upper surface thereof to the space of the substrate from which the split substrate has been removed, and the speaker wiring is soldered to the substrate. A structure for mounting a speaker to a substrate, characterized in that the speaker is mounted. The periphery of the fixing unit is formed in a tapered surface whose upper side is inclined inward, and a groove is formed in the tapered surface so that a hole edge of an opening formed by a gap space of the substrate fits therein. Is forcibly pushed into the opening of the substrate with a tapered surface of the periphery thereof, and the fixing unit is attached by fitting the hole edge of the opening of the substrate into the groove of the tapered surface. 3. The structure according to claim 2, wherein the speaker is mounted and fixed to a substrate. 4. The speaker according to claim 2, wherein a plurality of hooks having inward claws to which a peripheral edge of the speaker is engaged and locked and fixed are provided upright on the upper surface of the fixing unit. 5. Mounting structure to the board. On the tapered surface of the peripheral edge of the fixing unit, a groove is formed in which one side is located on the lower side and the other side is located on the upper side, and a state in which the fixing unit is fitted into the opening of the substrate and attached is inclined obliquely. Wherein the fixed unit is attached to the substrate in a state where the audio outlet side of the housing in which the substrate is disposed is opened upward in this inclined state. 5. The mounting structure of the speaker according to 4 on a substrate.

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