JP3900023B2 - Speaker - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention mainly relates to a speaker used for in-vehicle audio equipment and the like, and more particularly to a structure of a metal terminal for inputting an external signal and a connector housing for mounting the metal terminal.
[0002]
[Prior art]
The prior art will be described with reference to FIGS. 2, 3A, 3B, and 3C.
[0003]
2 is a perspective view of the speaker as seen from the back side, FIG. 3 (a) is a perspective view of a pair of metal terminals of the speaker as a main part, and FIG. 3 (b) is a perspective view of a connector housing, FIG. 3C is a perspective view for explaining a state in which the metal terminal is mounted on the connector housing.
[0004]
According to the figure, reference numeral 1 denotes a magnetic circuit, which is formed by a yoke, a magnet and an upper plate, 2 is a resin speaker frame coupled to the magnetic circuit, and 3 is an outer periphery bonded to the speaker frame 2. The diaphragm is bonded and bonded to a voice coil (not shown) whose inner periphery is fitted in a magnetic gap (not shown) of the magnetic circuit 1, and 4 is formed integrally with the speaker frame 2. The terminal device is formed of a connector housing 5 and a pair of metal terminals 6. 7 is a bridge portion that connects the terminal device 4 and the resin speaker frame 2, whereby the terminal device 4 can be attached without wobbling, and a connector (not shown) from the outside can be stably inserted and removed. Become.
[0005]
Reference numeral 6 denotes an L-shaped metal terminal provided with a bent portion 6a bent at about 90 ° in the middle, and 6b a connector terminal portion provided at one end where a connector (not shown) is attached. In the vicinity of the other end, a notch 6c joined to a tinsel wire connected to a voice coil of a speaker (not shown) is provided.
[0006]
The connector housing 5 is provided with a groove 5a into which the bent portion 6a of the metal terminal 6 is inserted.
[0007]
The metal terminal 6 and the connector housing 5 are coupled by inserting the metal terminal 6 into the groove 5a of the connector housing 5 as shown in FIG.
[0008]
As described above, the metal terminal 6 is attached to the connector housing 5 simply by being inserted into the groove portion 5a of the connector housing 5, and the metal terminal 6 has a space between the bent portions 6a on the inner wall of the corresponding groove portion 5a of the connector housing 5. By being sandwiched, even if a force is applied to only one end of the metal terminal 6 in a direction to remove it from the groove portion 5a of the connector housing 5, the bent portion 6a is caught and the metal terminal 6 extends from the groove portion 5a of the connector housing 5. Is not easily dropped, and in the state where a mating connector (not shown) is inserted into the speaker terminal device 4 in order to input an electrical signal to the speaker in use, the connector terminal portion Since 6b is being fixed by the other party connector, the metal terminal 6 becomes a structure which does not drop from the connector housing 5. FIG.
[0009]
However, when it is necessary to remove the metal terminal 6 from the connector housing 5, a connector terminal side at one end of the metal terminal and a notch portion for attaching a tinsel wire are provided in a direction to remove from the groove portion 5 a of the connector housing 5. If an equal force is applied simultaneously to the other end side, the inner wall of the groove portion of the connector housing between the bent portions 6a of the metal terminal does not hinder the removal, and can be easily removed.
[0010]
[Problems to be solved by the invention]
However, as described above, in the conventional configuration, the metal terminal 6 is easy to be inserted into the connector housing 5 and is difficult to come off. However, the metal terminal 6 is released at a very low frequency due to an unexpected vibration mode during speaker conveyance. The possibility cannot be denied, and a structure in which the metal terminal 6 is not likely to come off is desired.
[0011]
SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object of the present invention is to provide a speaker having a speaker terminal device in which a metal terminal is not easily detached from a connector housing of the speaker.
[0012]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, in the speaker invention according to claim 1 of the present invention, a connector housing is integrally provided in the vicinity of the outer periphery of the speaker frame to which the metal terminal is attached, and a bent portion is provided in the middle part of the metal terminal. The connector housing is provided with a groove portion into which the metal terminal including the bent portion is inserted, and the outer periphery of the diaphragm is attached to the speaker frame so as to cover a part or all of the groove portion. In addition, it is easy to insert and remove the metal terminal of the prior art, and it is difficult to remove it without applying an equal force to both ends. After the mating connector is inserted, the metal terminal is fixed by the mating connector to prevent the metal terminal from falling off. Covering at least a part of the groove with a diaphragm while maintaining the features, it is possible to prevent the metal terminal from falling off even in unexpected vibration modes when carrying the speaker alone. Than is.
[0013]
In addition, since the said groove part is covered by adhesion | attachment of a diaphragm, a special assembly operation is not required and a manufacturing man-hour can be performed similarly to the past.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a speaker terminal device according to the present invention will be described below with reference to FIG. In addition, the same part as a prior art attaches | subjects the same number, and abbreviate | omits description and demonstrates.
[0016]
(Embodiment 1)
FIG. 1 is a side sectional view of a speaker according to an embodiment of the present invention. According to the figure, 2a is a resin speaker frame, and 10 is a terminal device comprising a connector housing 11 formed integrally with the resin speaker frame 2a and metal terminals 6 attached to the connector housing 11.
[0017]
Although not shown, the connector housing 11 has a groove portion 5a similar to that of the prior art, and is mounted by sandwiching the bent portion 6a of the metal terminal 6 with the inner wall of the corresponding groove portion 5a of the connector housing 11. ing. With this configuration, the metal terminal can be easily inserted and removed as in the prior art and cannot be removed unless an equal force is applied to both ends. After the mating connector is inserted, the metal terminal is fixed by the mating connector. It maintains the feature that the metal terminal can be prevented from falling off.
[0018]
Further, as is apparent from the figure, the outer peripheral attaching portion 3a of the diaphragm 3 whose outer periphery is an edge portion is on the same plane as the attaching portion 2b of the speaker frame 2a to which the outer peripheral attaching portion 3b is attached. The connector housing 11 is provided with an affixing portion 11a.
[0019]
Therefore, the metal terminal 6 inserted and mounted in the groove 5a of the diaphragm 3 is simultaneously vibrating when the attaching portion 3a of the diaphragm 3 whose outer periphery is an edge portion is attached to the attaching portion 2b of the speaker frame 2a. 3 affixing part 3a is also affixed to affixing part 11a of the connector housing 11, so that a part or all of the groove 5a is covered with the diaphragm 3, and an abnormal vibration mode at the time of carrying the speaker is caused. Even if it is received, the metal terminal 6 is prevented from coming off.
[0020]
In the above embodiment, the attaching portion 11a of the connector housing 11 is described as being provided on the same plane on the same circumference as the attaching portion 2b of the speaker frame 2a. Even if it is provided in the vicinity, an extension of the attachment portion 3a of the diaphragm 3 so that the attachment portion 11a of the connector housing 11 can be attached together with the attachment portion 2b of the speaker frame 2a is also included in the present invention. This is one embodiment. In this case, even if it is necessary to remove the metal terminal 6 for the purpose of repair or the like after the speaker is mounted on the device, the state of adhesive bonding between the speaker frame 2a and the diaphragm 3 that affects the acoustic characteristics of the speaker is damaged. The metal terminal 6 can be inserted and removed without giving it.
[0021]
In any of the above-described embodiments, the attachment can be performed at the same time in the attaching process of the diaphragm 3 and the speaker frame 2a, thereby preventing an increase in cost due to an increase in man-hours.
[0022]
It is also possible to prevent the metal terminal 6 from being detached by the adhesive by applying the adhesive after inserting the metal terminal 6 into the groove 5a. In this case, it is possible to prevent an increase in cost due to an increase in the number of man-hours by simultaneously performing the adhesive in the adhesive application process when the diaphragm 3 and the speaker frame 2a are attached. When this adhesive is applied, it may be slightly higher and lower than the attaching portion 2b of the speaker frame 2a as long as it is in the vicinity of the outer periphery of the speaker frame 2a.
[0023]
【The invention's effect】
As described above, according to the present invention, the metal terminal is inserted into the groove portion of the connector housing and covers a part or all of the groove portion, so that the metal terminal can be easily attached to the connector housing and is not easily removed, It is possible to provide an excellent speaker having a terminal device that does not come out even in an abnormal vibration mode during conveyance as a single speaker.
[Brief description of the drawings]
FIG. 1 is a side sectional view of a speaker according to an embodiment of the present invention. FIG. 2 is a perspective view of a conventional speaker as viewed from the back side. Perspective view (b) Perspective view of connector housing (c) Perspective view for explaining a state in which the metal terminal is mounted on the connector housing
DESCRIPTION OF SYMBOLS 1 Magnetic circuit 2a Speaker frame 2b (Speaker frame) affixing part 3 Diaphragm 5a Groove part 6 Metal terminal 6a Bending part 9 Voice coil 10 Terminal apparatus 11 Connector housing 11a (Connector housing) affixing part

Claims (1)

  At least a magnetic circuit, a resin speaker frame coupled to the magnetic circuit, and a diaphragm having an outer periphery coupled to the speaker frame and an inner periphery adhesively coupled to a voice coil fitted in a magnetic gap of the magnetic circuit; A metal terminal having one end side joined to the other end of the tinsel wire joined to the coil end wound around the voice coil, and the other end side being a connector terminal portion for receiving an electrical signal from the outside, and the metal terminal A speaker housing formed integrally with the resin speaker frame near the outer periphery of the speaker frame, wherein a bent portion is provided at an intermediate portion of the metal terminal. The connector housing is provided with a groove portion into which the metal terminal is inserted, and an outer periphery of the diaphragm so as to cover part or all of the groove portion Speaker was attached to the speaker frame.

Images