JP4055705B2 - Speaker mounting device - Google Patents

Description

  The present invention relates to a speaker mounted on a vehicle, and relates to a speaker mounting device that can be easily attached to and detached from a door panel or the like.

  The prior art will be described with reference to a cross-sectional view showing a coupled state of the speaker and the mounting portion in FIG.

  According to the figure, reference numeral 1 is a speaker having a frame 2 formed by resin molding on the outer periphery although the explanation of the internal structure is omitted, and 3 is a claw portion provided at the rear of the outer peripheral side of the frame 2, Similarly, 6 is a clip provided on the rear side of the outer peripheral side with one free end. The clip 6 is hooked on the end of the speaker mounting hole 5 provided on the mounting plate 4 and the clip 6 is hooked. The edge of the clip insertion hole 7 of the speaker mounting hole 5 on the opposite side to 3 is made elastic by snapping, and the stepped portion 6a in the vicinity of the free end is engaged to be attached to the mounting plate 4.

  Reference numeral 2a denotes a lid. After the clip insertion hole 7 of the mounting plate 4 is attached to the mounting plate 4 of the speaker 1, the opening 9 of the frame 2 is closed with the lid 2a, so that the speaker 1 can be seen from the front of the speaker 1. This prevents raindrops from passing through the clip insertion hole 7 to the rear and prevents the sound from flowing from the rear to the front of the speaker 1.

  8 is a sealing material applied to the entire outer periphery of the frame 2 to improve the adhesion between the frame 2 and the mounting plate 4 and, like the lid 2a, prevents the sound from flowing from the rear to the front of the speaker 1. It has a function and also functions as a vibration isolator.

  The seal material 8 may not be required depending on the surface conditions and materials of the frame 2 and the mounting plate.

  The lid 2a has been described as being separate from the frame 2, but may be integrally formed by resin molding as long as it can be opened and closed.

  The speaker 1 is detached from the mounting plate 4 by removing the lid 2a covering the opening 9 of the frame 2 and pushing down the free end of the clip 6 through the opening 9 with a removal jig (not shown). The engagement between the edge of the clip insertion hole 7 and the step 6a of the clip 6 is released, and the speaker 1 is removed from the mounting surface 4.

Note that there is Patent Document 1 as a conventional technique having such a configuration.
JP 2002-135873 A

  However, in the above-described conventional configuration, when the lid 2a is attached to the frame 2, if an adhesive is used, it is difficult to remove the lid 2a, the removal of the speaker 1 becomes complicated, and the fitting with the opening 9 of the frame 2 is performed. The mounting by mating has a problem that it is unreliable because it comes off due to vibration or impact.

  The lid 2a that is integrally formed with the frame 2 so that it can be freely opened and closed is also fitted by fitting, and therefore has the same problem as described above that it is unreliable due to vibration and impact. there were.

  The present invention solves the above-described conventional problems. The speaker mounting allows the speaker to be easily attached to and detached from the speaker mounting plate, and the sealing between the mounting portion and the speaker can be secured with a simple configuration. The object is to provide an apparatus.

  In order to solve the above-mentioned problems, the speaker mounting device according to claim 1 of the present invention is provided with a breakable portion in the frame portion facing the free end of the clip engaged with the mounting plate of the speaker frame. Focusing on the fact that clip operation is necessary only when the speaker is removed, and removing the speaker by removing the breakable part when removing the speaker, the breakable part is integrated with the frame and this part is Therefore, sound wraparound from behind is prevented, so that acoustic characteristics can be improved and reliability can be improved.

  In the speaker mounting device according to claim 2 of the present invention, the frame according to claim 1 is formed by resin molding, and is formed thinner than other portions of the frame so that the breakable portion can be broken. It can be easily broken, and it can be visually recognized by making it thin.

  According to a third aspect of the speaker mounting device of the present invention, the frame according to the first aspect is formed by resin molding, and the thickness of the breakable portion is made thicker than other portions so that the periphery of the breakable portion can be broken. The thin portion is formed, and the broken portion is specified by breaking the periphery, the broken portion and the remaining broken portion can be easily treated, and the speaker can be easily detached. In addition, when the peripheral edge part on the visual recognition side is formed thinly, the visual recognition of the breakable part is facilitated, and the workability can be improved.

  According to a fourth aspect of the speaker mounting device of the present invention, the frame according to the first aspect is formed by resin molding, a hinge portion is provided at a part of the peripheral portion of the breakable portion, and the other peripheral portions. The thickness of the part is made thinner than the thickness of the other part of the frame so that it can be broken, and even if the breakable part is broken by the hinge part, it does not fall off, and processing of the broken part is unnecessary. By specifying the ease of visual recognition and the broken portion, the man-hour for removing the speaker can be improved.

  According to a fifth aspect of the speaker mounting device of the present invention, when the breakable portion of the frame according to any one of the first to fourth aspects is broken, the free end of the clip is lowered at least at a part of the breakable portion. It is configured to release the engagement between the edge portion of the speaker mounting hole and the stepped portion, so that the breakable portion can be broken and the speaker can be removed in the same work. It is possible to achieve more.

  According to a sixth aspect of the speaker mounting device of the present invention, as a part of the breakable portion according to the fifth aspect, a protruding portion directed toward the free end side of the clip is provided. The speaker can be removed more easily.

  The speaker mounting device according to claim 7 of the present invention is configured such that the contact portion of the breakable portion contacts the inside of the U-shaped clip of the speaker mounting device according to claim 1. The speaker is prevented from being detached by elastic deformation due to the external force of the clip.

  The speaker mounting device according to claim 8 of the present invention is the speaker mounting device according to claim 3, wherein means for breaking the breakable portion is provided continuously to the breakable portion. Can be removed very easily.

  As described above, the present invention provides a breakable part integrally with the frame, and by removing the breakable part, the speaker can be detached, so that another part such as a lid is unnecessary, In the state before removal, the part is completely closed by the breakable part, so that the sound can be prevented from wrapping around from behind the speaker, and a speaker mounting device with excellent sound quality can be provided.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. In the description, the same parts as those in the prior art are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1)
In the following, an embodiment of the speaker mounting device according to the present invention will be described mainly with respect to claims 1 to 4 with reference to a side sectional view showing a coupling state of the speaker and mounting portion of FIG.

  Referring to the drawing, a frame 12 is formed by resin molding. Like the conventional technique, the claw portion 3 and a clip 6 provided at one of the rear ends on the outer peripheral side are free ends. It is integrally formed by resin molding, hooks the claw portion 3 on the end portion of the speaker mounting hole 5 provided on the mounting plate 4, and the clip 6 is clipped to the speaker mounting hole 5 on the side opposite to the claw 3. The edge portion of the insertion hole 7 is made elastic by snapping, and the stepped portion 6a in the vicinity of the free end portion is engaged to be attached to the mounting plate 4. Reference numeral 12a denotes a breakable portion formed by surrounding the periphery of the clip 6 at a position facing the free end with a groove 12b.

  Accordingly, the opening 12 does not exist in the frame 12 as in the prior art, and the breakable portion 12a is formed. Therefore, the lid 2a is not used in the present embodiment.

  In the speaker mounting device according to the present embodiment configured as described above, it is possible to prevent the speaker 1 from wrapping around from the rear to the front by eliminating the opening 9 without the lid 2a. Is blocked.

  When the speaker 1 is removed, the breakable portion 12a is broken with a jig (not shown) (the external force C ′ is applied to the breakable portion 12a so that the speaker 1 is broken along the groove. By pressing the free end of the U-shaped clip 6, the engagement between the step 6a near the free end and the edge of the clip insertion hole 7 of the mounting plate 4 is released and removed. is there.

  In order to remove the speaker by breaking (breaking) the breakable portion 12a as described above, while the breakable portion 12a is not broken, the wrapping around the sound wave in the rear and the waterproofing are more effective than the prior art. It is possible to provide a speaker mounting device that can be reliably and highly reliable.

  In the present embodiment, the breakable portion 12a has been described as a portion surrounded by the groove 12b. However, in the breakable portion 12a, this portion is broken with a jig and the free end of the clip 6 is pressed. If it is only necessary to be able to do this, the entire breakable portion 12a may be formed as a thin portion that is thinner than other portions and can be broken.

  Further, in the present embodiment, a part of the surrounding groove 12b (for example, the lower side) is made slightly thicker than the groove to form a hinge part and leave as a remaining part when the groove 12b is broken. By avoiding separation of the breakable portion, the breakable portion 12a can be easily processed integrally with the speaker from which the breakable portion 12a has been removed.

(Embodiment 2)
FIG. 2 is an enlarged cross-sectional view showing the relationship between the breakable portion, the clip and the mounting plate, which is the main part of another embodiment of the present invention, and (a) shows a state where the speaker is attached to the mounting plate. (B) explains the movement of the breakable portion for removing the speaker, and mainly explains claims 5 and 6.

  According to the figure, a protrusion 12c directed toward the free end of the U-shaped clip 6 is provided above the breakable portion 12a provided on the frame 12.

  With the above configuration, when the breakable portion 12a is broken by the external force F, the removal of the speaker 1 can be broken by pressing the free end of the U-shaped clip 6 at the same time with the protruding portion 12c. This is performed simultaneously with the breaking of the portion 12a.

  In addition, by using together with the hinge part demonstrated in Embodiment 1, the precision of the fracture | rupture position of a breakable part improves, and a fracture | rupture and removal operation | work can be performed more reliably.

(Embodiment 3)
FIG. 3 is an enlarged cross-sectional view showing the relationship between the breakable portion, the clip and the mounting plate, which is the main part of another embodiment of the present invention, and (a) shows a state where the speaker is mounted on the mounting plate. (B) explains the movement of the breakable part for removing the speaker, and mainly explains claim 7.

  According to the figure, 12d is a contact part which contacts the inner side of the free end of the clip 6 provided in the breakable part 12a. After the speaker is mounted on the mounting plate 4, this part is pushed into the free end. Alternatively, the state shown in FIG. 3 (a) is formed by press-fitting the clip 6 against this contact state at the time of mounting.

  Therefore, the speaker can be prevented from coming off easily even by an external force or the like as long as the contact portion 12d is in contact with the inner side of the free end of the clip 6.

  FIG. 3B shows a state in which the breakable portion 12a is broken, and the free end of the clip 6 is depressed without being obstructed by the breakable portion 12a, so that the speaker can be easily removed. ing.

(Embodiment 4)
FIG. 4 is an enlarged cross-sectional view showing the relationship between the breakable portion, the clip and the mounting plate, which is the main part of another embodiment of the present invention, and (a) shows a state where the speaker is attached to the mounting plate. (B) explains the movement of the breakable part for removing the speaker, and mainly explains claim 8.

  According to the figure, 12e is a groove provided so as to surround the periphery of the breakable portion 12a, and more preferably, the lower side of the groove 12e is slightly shallower than the other grooves 12e to form a hinge portion. It is to keep.

  Reference numeral 12f denotes a lever that is a means for peeling off the breakable portion 12a provided to extend on the upper side of the breakable portion 12a. A force is applied to the end side to break the breakable portion 12a from the top to the bottom, and it is easily broken without using a dedicated jig, and the breakable portion 12a is not separated. , And can be processed integrally with the removed speaker.

  As described above, the present invention provides a breakable part integrally with the frame, and by removing the breakable part, the speaker can be detached, so that another part such as a lid is unnecessary, In the state before removal, the part is completely closed by the breakable part, so that the sound can be prevented from wrapping around from behind the speaker, and a speaker mounting device with excellent sound quality can be provided.

Side sectional drawing which shows the coupling | bonding state of the speaker and attachment part of one Embodiment of the speaker attachment apparatus of this invention (A) The principal part expanded sectional view which shows the relationship between the fracture | ruptureable part which is the principal part of the other embodiment, a clip, and an attachment board, (b) The key which demonstrates the movement of the breakable part for removing the speaker Sectional enlarged view (A) The principal part expanded sectional view which shows the relationship between the fracture | ruptureable part which is the principal part of the other embodiment, a clip, and an attachment board, (b) The key which demonstrates the movement of the breakable part for removing the speaker Sectional enlarged view (A) The principal part expanded sectional view which shows the relationship between the fracture | ruptureable part which is the principal part of the other embodiment, a clip, and an attachment board, (b) The key which demonstrates the movement of the breakable part for removing the speaker Sectional enlarged view Side sectional view which shows the coupling | bonding state of the speaker and attachment part of the conventional speaker attachment apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Speaker 3 Claw part 4 Mounting plate 5 Speaker mounting hole 6 Clip 6a Step part 7 Clip insertion hole 12 Frame 12a Breakable part 12b Groove part 12c Protrusion part 12d Contact part 12e Groove part 12f Lever part

Claims (8)

At least one end is a free end, and a U-shaped elastic clip provided with a stepped portion that engages with and engages with the edge of the speaker mounting hole in the vicinity thereof, and is locked to the speaker mounting hole. A speaker mounting device that is attached by engaging a claw portion with the speaker mounting hole of the speaker mounting plate formed inside the outer periphery of the speaker frame, wherein the speaker is mounted in the speaker mounting hole of the speaker mounting plate When the speaker mounting device is provided with a breakable portion in the frame portion facing the free end of the clip. The speaker mounting device according to claim 1, wherein the frame is formed by resin molding and is formed thinner than other portions of the frame so that the breakable portion can be broken. The speaker mounting device according to claim 1, wherein the frame is formed by resin molding, and is thinner than other portions of the frame so that the periphery of the breakable portion can be broken. 2. The frame according to claim 1, wherein the frame is formed by resin molding, a hinge portion is provided at a part of the peripheral portion of the breakable portion, and the thickness of the other peripheral portion is made thinner than the thickness of the other portion of the frame so as to be breakable. The speaker mounting device described. After the breakable portion is broken, at least a part of the breakable portion presses and deforms the free end of the clip downward to release the engagement between the edge portion of the speaker mounting hole and the stepped portion. Item 5. The speaker mounting device according to Item 4. The speaker mounting device according to claim 5, wherein a part of the breakable portion is a protruding portion protruding toward the free end side of the clip. The speaker mounting device according to claim 1, wherein a contact portion that contacts the inside of the U-shaped clip is provided on the frame. The speaker mounting device according to claim 3, wherein a pressing means for breaking the breakable portion on the frame is provided continuously to the breakable portion.

Images