WO2023204133A1 - Membrane en verre et membrane en verre équipée d'un vibrateur - Google Patents

Membrane en verre et membrane en verre équipée d'un vibrateur Download PDF

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Publication number
WO2023204133A1
WO2023204133A1 PCT/JP2023/015007 JP2023015007W WO2023204133A1 WO 2023204133 A1 WO2023204133 A1 WO 2023204133A1 JP 2023015007 W JP2023015007 W JP 2023015007W WO 2023204133 A1 WO2023204133 A1 WO 2023204133A1
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WO
WIPO (PCT)
Prior art keywords
mount
glass
fastener
glass diaphragm
vibrator
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Application number
PCT/JP2023/015007
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English (en)
Japanese (ja)
Inventor
研人 櫻井
順 秋山
Original Assignee
Ａｇｃ株式会社
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Filing date
Publication date
Application filed by Ａｇｃ株式会社 filed Critical Ａｇｃ株式会社
Publication of WO2023204133A1 publication Critical patent/WO2023204133A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Definitions

  • the present invention relates to a glass diaphragm and a glass diaphragm with a vibrator.
  • Patent Documents 1 to 5 disclose various structures that transmit the vibrations of an electrically vibrating exciter (vibrator) to a diaphragm such as a glass plate.
  • Patent Document 1 discloses that a sole, a base, and an attachment are laminated in this order on the main surface of a glass plate, the sole and the base are fixed by a plastic part that covers a part of the glass plate, and the attachment is mounted on the fixed base. discloses a structure for connecting vibrators. In particular, regarding the connection structure between the attachment and the vibrator, fixing means such as a screw structure, a grip structure, a notch structure, and a hook structure are disclosed.
  • the present invention provides a glass diaphragm and a vibrator that can stably attach a vibrator to a glass plate structure and suppress the deterioration of the quality of the sound emitted from the glass diaphragm and the falling off of the vibrator due to misalignment of the vibrator.
  • the purpose is to provide glass diaphragms.
  • the present invention consists of the following configuration.
  • a glass plate structure a mount portion fixed to the glass plate structure; a connection part that is attached to the mount part and fixed to a vibrator that vibrates the glass plate structure; a fastener that mechanically fixes the mount portion and the connection portion; has A glass diaphragm, wherein at least one of the mount portion and the connection portion has an uneven portion that fits into the other side.
  • a glass diaphragm with a vibrator comprising the glass diaphragm according to (1) and the vibrator.
  • the present invention it is possible to stably attach the vibrator to the glass plate structure, and it is possible to suppress the deterioration of the quality of the sound emitted from the glass diaphragm and the falling off of the vibrator due to the positional shift of the vibrator.
  • FIG. 1 is a schematic plan view of a glass diaphragm.
  • FIG. 2 is a schematic cross-sectional view of the glass diaphragm shown in FIG. 1 taken along line II-II.
  • FIG. 3 is a schematic cross-sectional view taken along line III-III in FIG. 2.
  • FIG. 4 is an exploded perspective view of a fixing location between the mount section and the connection section of the vibrator.
  • FIG. 5 is a schematic cross-sectional view taken along the first main surface of the glass plate structure for explaining how to attach the connection part to the mount part.
  • FIG. 6 is a schematic cross-sectional view of a glass diaphragm explaining modification example 1.
  • FIG. 7 is a schematic cross-sectional view of a glass diaphragm illustrating a second modification.
  • FIG. 1 is a schematic plan view of a glass diaphragm.
  • FIG. 2 is a schematic cross-sectional view of the glass diaphragm shown in FIG. 1 taken along line II
  • FIG. 8 is a schematic cross-sectional view of a glass diaphragm explaining modification example 3.
  • FIG. 9 is a schematic cross-sectional view of a glass diaphragm explaining modification example 4.
  • FIG. 10A is a schematic cross-sectional view along the first main surface of a glass plate structure explaining Modification 5.
  • FIG. 10B is a perspective view of a mount used in Modification 5.
  • FIG. 11 is a perspective view of a mount used in Modification 6.
  • FIG. 12A is a schematic cross-sectional view of a glass diaphragm explaining Modification Example 7.
  • FIG. 12B is a perspective view of a mount used in Modification 7.
  • FIG. 13 is a schematic cross-sectional view of a glass diaphragm explaining modification example 8.
  • FIG. 10A is a schematic cross-sectional view along the first main surface of a glass plate structure explaining Modification 5.
  • FIG. 10B is a perspective view of a mount used in Modification 5.
  • FIG. 11 is
  • FIG. 14 is a schematic cross-sectional view of a glass diaphragm explaining modification example 9.
  • FIG. 15A is a schematic cross-sectional view of a glass diaphragm illustrating Modification 10.
  • FIG. 15B is a perspective view of a fastener used in Modification 10.
  • FIG. 15C is a perspective view of another fastener used in Modification 10.
  • FIG. 16 is a schematic cross-sectional view of a glass diaphragm illustrating Modification 11.
  • FIG. 17 is a schematic cross-sectional view of a glass diaphragm explaining modification example 12.
  • the glass diaphragm with a vibrator of this embodiment includes a glass diaphragm and a vibrator that vibrates the glass diaphragm, and can be applied to, for example, vibrating a glass plate for a vehicle.
  • a glass diaphragm with a vibrator is applied to a window such as a side window of a vehicle, but the applicable uses are not limited to this.
  • FIG. 1 is a schematic plan view of the glass diaphragm 11.
  • FIG. 2 is a schematic cross-sectional view of the glass diaphragm 11 shown in FIG. 1 taken along line II-II.
  • FIG. 3 is a schematic cross-sectional view taken along line III-III in FIG. 2.
  • FIG. 4 is an exploded perspective view of a portion where the mount portion 17 and the connection portion 19 of the vibrator 13 are fixed.
  • FIG. 5 is a schematic cross-sectional view taken along the first main surface 15a of the glass plate structure 15 for explaining how to attach the connecting part 19 to the mount part 17.
  • a vibrator 13 that generates vibration can be attached to the glass diaphragm 11.
  • the vibrator 13 is fixed to the connecting portion 19 by at least one of mechanical fastening methods such as screws, bolts/nuts, rivets, keys, pins, etc., and adhesives.
  • the glass diaphragm 11 includes the glass plate structure 15 , the mount section 17 , the connection section 19 , and the fastener 21 .
  • the glass diaphragm 11 is equipped with a vibrator 13 to constitute a glass diaphragm 100 with a vibrator.
  • the vibrator 13 has a structure that is connected to and fixed to the connecting portion 19.
  • the vibrator 13 and the connecting portion 19 may have a structure in which they are firmly fixed to each other using different members, or may have a structure in which they are integrated as the same member.
  • the connecting portion 19 is mechanically fixed to the mount portion 17. Thereby, the vibrator 13 is attached to the glass plate structure 15 via the connecting portion 19 and the mount portion 17.
  • the mount portion 17 is fixed to the glass plate structure 15.
  • the connecting portion 19 is attached to the mount portion 17 , and the mount portion 17 and the connecting portion 19 are fixed by a fastener 21 . Thereby, the vibrator 13 is attached to one main surface 15a of the glass plate structure 15.
  • the vibrator 13 is arranged in a region below the belt line BL, that is, in a region on the frame 16 side of the elevating mechanism (not shown).
  • the belt line BL corresponds to the lower side of the opening when the side window is fully closed when the side window is attached to the vehicle (door).
  • the vibrator 13 is an excitation device that uses the object it comes into contact with as a diaphragm and generates sound from the diaphragm.
  • the vibrator-equipped glass diaphragm 100 to which the vibrator 13 is mounted vibrates the glass diaphragm 11 by driving the vibrator 13 to generate desired sound.
  • the vibrator 13 used here includes an exciter that includes a coil section electrically connected to an external device, a magnetic circuit section, and an excitation section. According to this exciter, when a sound electrical signal from an external device is input to the coil section, vibration is generated in the coil section or the magnetic circuit section due to interaction between the coil section and the magnetic circuit section. The vibrations of the coil section or the magnetic circuit section are transmitted to the vibrating section, and the vibrating section generates vibrations. Note that a conductive wire (not shown) for driving the vibrator 13 is attached to the vibrator 13.
  • the glass plate structure 15 that constitutes the glass diaphragm 11 has a first main surface 15a and a second main surface 15b.
  • the glass plate structure 15 is illustrated as a single glass plate (single glass), but other types such as laminated glass in which a resin interlayer or a liquid intermediate layer is sandwiched between a pair of glass plates are used. It can also be a form.
  • the thickness of the glass plate structure 15 is preferably 1 mm or more, more preferably 2 mm or more, and even more preferably 3 mm or more. Thereby, the strength of the glass plate structure 15 can be made sufficient.
  • the mount portion 17 can be made of materials such as metal materials such as aluminum or aluminum alloys, titanium alloys, magnesium alloys, and stainless steel, ceramics, glass, resin materials, carbon fibers, and composite materials made of these materials.
  • resin materials include acrylic resins such as polymethyl methacrylate resin (PMMA), polycarbonate (PC), polyvinyl chloride (PVC), urethane, polypropylene (PP), ABS resin, polybutylene terephthalate (PBT), and polyethylene terephthalate (PBT).
  • PPS polyphenylene sulfide
  • PS polystyrene
  • nylon 66 etc.
  • the mount portion 17 may be made of a single material, or may be made of a composite material such as an aluminum alloy and stainless steel, or a resin material and stainless steel.
  • the mount portion 17 is formed into a circular shape in plan view, and is adhesively fixed to the first main surface 15a of the glass plate structure 15 with an adhesive layer 31.
  • the mount portion 17 has a recess 33 on the side opposite to the side on which the glass plate structure 15 is fixed.
  • the recess 33 has a circular shape when the glass plate structure 15 is viewed from above, and is formed at the center of the mount portion 17 .
  • This recess 33 has a female thread 33a formed on its inner wall surface.
  • the mount portion 17 has a through hole 35 that penetrates in the radial direction at an intermediate portion in the thickness direction.
  • the through-holes 35 are formed in the radial direction passing through the center of the mount portion 17 in a plan view of the glass plate structure 15, but one or more through-holes may be formed in a direction substantially orthogonal to the thickness direction, offset from the center. may be done.
  • the connecting portion 19 may be formed of a different member from the casing of the vibrator 13 and firmly fixed thereto, or may be formed of the same member as the casing of the vibrator 13 and integrated.
  • the connecting portion 19 has a convex portion 37 on the side to which it is attached to the mount portion 17 .
  • This convex portion 37 has a male thread 37a formed on its outer wall surface.
  • the connecting portion 19 has a through hole 39 that penetrates in the radial direction at an intermediate portion of the convex portion 37 in the protruding direction.
  • the through hole 39 is formed in a radial direction passing through the center of the convex portion 37 of the connecting portion 19 in a plan view of the glass plate structure 15 .
  • a convex portion 37 having a male thread 37a is screwed into a recess 33 having a female thread 33a of the mount portion 17.
  • the thread structure consisting of the male thread 37a and the female thread 33a becomes a guide mechanism, and the connecting portion 19 is fixed at a predetermined position on the mount portion 17.
  • the concave portion 33 of the mount portion 17 and the convex portion 37 of the connecting portion 19 constitute an uneven portion.
  • the through holes 35 and 39 of the mount portion 17 and the connecting portion 19 communicate with each other.
  • the "guide mechanism” referred to here is not limited to a tightening mechanism using a screw structure, but also a mechanism that guides the engagement position of the protrusion 37 and the recess 33 in the thickness direction, and a mechanism that guides the engagement position of the convex part 37 and the concave part 33 at a desired angle. It also includes a mechanism for inducing this.
  • the structure is not limited to a threaded structure, but also includes a so-called caulking mechanism in which a drawing process such as a taper is applied and the structure is fixed as the guide moves along the guidance.
  • the fastener 21 has a pin shape.
  • This fastener 21 has a ring portion 23 at one end, and a pair of pin portions 25 extend from this ring portion 23 in the same direction.
  • the pin portions 25 of the fastener 21 are inserted into through holes 35 and 39 of the mount portion 17 and the connecting portion 19, which communicate with each other, and the tip portions are bent. These pin portions 25 are bent toward opposite sides and are in contact with the outer wall of the mount portion 17 .
  • the outer edge of the ring portion 23 is not limited to a substantially circular shape (see FIG. 2), but may have an arbitrary outer edge shape such as a polygon.
  • ⁇ Resonator mounting structure> The convex part 37 of the connecting part 19 is screwed into the concave part 33 of the mount part 17 fixed to the glass plate structure 15, and in this state, the mount part 17 and the connecting part communicate with each other.
  • the fasteners 21 are inserted through the through holes 35 and 39 of 19. As a result, the fastener 21 is locked to the mount portion 17 and the connecting portion 19 without loosening, and the fastener 21 maintains a good attachment state between the mount portion 17 and the connecting portion 19.
  • the mount portion 17 and the connecting portion 19 of the vibrator 13 are mechanically fixed by the fasteners 21, and the vibrator 13 is stably attached. Therefore, it is possible to prevent the quality of the sound emitted from the glass diaphragm 11 from deteriorating and the vibrator 13 from falling off due to misalignment of the vibrator 13.
  • “falling off of the vibrator 13” includes not only the falling off of the vibrator 13 alone, but also the case where the connecting part 19 fixed to the vibrating element 13 falls off from the mount part 17.
  • the number of fasteners 21 that mechanically fix the mount portion 17 and the connecting portion 19 of the vibrator 13 may be one or more.
  • the fastener 21 is preferably attached within 10 mm from the first main surface 15a, which is the main surface of the glass plate structure 15, and preferably within 5 mm. It is preferable that they are attached within 3 mm, and more preferably that they are attached within 3 mm. Note that the lower limit of the fastener 21 from the first main surface 15a may be at least 0.1 mm or more. As a result, the bulkiness of the mounting portion of the vibrator 13 on the glass diaphragm 11 is suppressed, and the height of the vibrator 13 is reduced.
  • At least one of the inner wall of the through hole 39 of the connecting part 19 and the surface of the pin part 25 of the fastener 21 contain resin at the location where the mount part 17 and the connecting part 19 are fixed.
  • the resin preferably contains at least one selected from adhesives, pressure-sensitive adhesives, rubber, and grease.
  • the inner wall of the through hole of the mount part is made of a high-strength metal such as stainless steel.
  • a high-strength metal such as stainless steel may be embedded in the mount base material in the inner wall or outer wall portion in contact with the fastener 21 to improve the mechanical strength of the portion in contact with the fastener 21 and the attachment strength of the connecting portion 19.
  • the mount portion may be made of a single material, but as described above, the connection portion may be made of a composite material made of high-strength metal.
  • connection part 19 of the vibrator 13 To attach the connection part 19 of the vibrator 13 to the mount part 17, first screw the convex part 37 of the connection part 19 into the recess 33 of the mount part 17, and communicate the through holes 35, 39 of the mount part 17 and the connection part 19. (See Figure 5). Next, the pin portion 25 of the fastener 21 is inserted into the through holes 35 and 39 of the mount portion 17 and the connecting portion 19, which communicate with each other, until the ring portion 23 abuts the outer wall surface of the mount portion 17. Then, the tips of the pin portions 25 of the fasteners 21 protruding from the outer wall surface of the mount portion 17 are bent toward opposite sides so as to contact the outer wall of the mount portion 17.
  • the fastener 21 is secured to the fixed location between the mount portion 17 and the connecting portion 19 without loosening, and a good state of attachment between the mount portion 17 and the connecting portion 19 by the fastener 21 is maintained (see FIG. (See 3).
  • the fastener 21 is broken and removed using a tool such as pliers. Thereafter, the protrusion 37 of the connecting part 19 screwed into the recess 33 of the mount part 17 is loosened and removed. Thereby, the connecting portion 19 can be removed from the mount portion 17 in a non-destructive manner. In this way, by removing the fastener 21, the mount part 17 and the connecting part 19 can be removed in a non-destructive state, so the mount part 17 and the connecting part 19 can be reused after being removed. Therefore, when the vibrator 13 breaks down or is upgraded, the vibrator 13 or the member in which the connecting portion 19 and the vibrator 13 are integrated can be easily replaced.
  • the mount portion 17 and the connecting portion 19 of the vibrator 13 are mechanically fixed by the fasteners 21.
  • the vibrator 13 can be stably attached to the glass plate structure 15, and it is possible to prevent the quality of the sound emitted from the glass diaphragm 11 from deteriorating and the vibrator 13 from falling off due to displacement of the vibrator 13.
  • the members locked by the fasteners 21 can be separated non-destructively.
  • the glass diaphragm 11 of this configuration example is applicable not only to side windows of vehicles such as automobiles, but also to windshields, rear windows, roof glazing, front quarter windows, etc.
  • This enables a three-dimensional sound system that combines the glass diaphragm 11 and existing speakers, a noise canceling system that applies opposite-phase sound waves to noise from outside the vehicle to cancel it out, and a reflection control system that cancels the echoes of music inside the vehicle. It can make a big contribution.
  • the present invention can also be applied to building windows, structural members, and decorative panels, and can also be used as a diaphragm member for flat panel speakers.
  • a split pin having a pair of pin portions 25 is used as the fastener 21, but the fastener 21 may have one pin portion 25.
  • the fastener 21 may have one pin portion 25.
  • the fastener 21 with one end of the pin part 25 bent, the other end is inserted into the through holes 35 and 39 of the mount part 17 and the connecting part 19 that communicate with each other, and the pin part protrudes from the outer wall surface of the mount part 17.
  • the other end of 25 is bent so as to contact the outer wall of mount portion 17.
  • the fastener 21 having one pin portion 25 is locked to the mount portion 17 and the connecting portion 19 without loosening, and the fastener 21 ensures a good attachment state between the mount portion 17 and the connecting portion 19. maintained.
  • the fastener 21 having one pin portion 25 may have a wedge shape in which the thickness gradually decreases toward the tip, and in this case, a through hole in the vicinity of the root of the pin portion 25 may be used. By pressing the inner walls of 35 and 39, these are firmly locked. Note that when one pin portion 25 has a wedge shape, the tip of the pin portion 25 may or may not protrude from the outer wall surface of the mount portion 17.
  • the mounting structure between the mount portion 17 and the connecting portion 19 in the glass diaphragm 11 of this configuration example described above is one example, and can be changed to various configurations.
  • a modification of the mounting structure between the mount portion 17 and the connecting portion 19 will be described.
  • the same or corresponding parts or members will be given the same or corresponding reference numerals, thereby omitting redundant explanation.
  • FIG. 6 is a schematic cross-sectional view of the glass diaphragm 11 illustrating the first modification.
  • the mount portion 17 has a convex portion 41 on the side opposite to the glass plate structure 15 side.
  • a male screw 41a is formed on the outer wall surface of the convex portion 41, and a through hole 43 that penetrates in the radial direction is formed in the intermediate portion in the protruding direction.
  • the connecting portion 19 has a recess 45 on the side where it is attached to the mount portion 17 .
  • a female thread 45a is formed on the inner wall surface of the recess 45, and a through hole 47 that penetrates in the radial direction is formed in the intermediate portion in the thickness direction.
  • the convex portion 41 of the mount portion 17 fixed to the glass plate structure 15 is screwed into the concave portion 45 of the connecting portion 19. Further, a fastener 21 is inserted into the through holes 43 and 47 that communicate with each other when the convex part 41 of the mount part 17 is screwed into the recess 45 of the connecting part 19. It is locked to the connecting part 19.
  • the mount portion 17 and the connecting portion 19 of the vibrator 13 are mechanically fixed by the fasteners 21, so that the vibrator 13 can be stably attached to the glass plate structure 15. Further, by removing the fastener 21, the vibrator 13 or the member in which the connecting portion 19 and the vibrator 13 are integrated can be removed from the glass plate structure 15, so the vibrator 13 can be easily replaced.
  • FIG. 7 is a schematic cross-sectional view of the glass diaphragm 11 illustrating a second modification.
  • the connecting portion 19 includes a disc-shaped (cylindrical) convex portion 37 having a through hole 39, and a male thread 37a is formed on the outer wall surface of the convex portion 37. .
  • the connecting portion 19 has a disc shape with no step in the thickness direction.
  • the mount portion 17 is provided with a recess 33 having a female thread 33a on the inner wall surface on the mounting side of the connection portion 19, and a through hole 35 that penetrates in the radial direction.
  • the convex portion 37 of the connecting portion 19 is screwed into the concave portion 33 of the mount portion 17 fixed to the glass plate structure 15. Furthermore, in a state where the convex part 37 of the connecting part 19 is screwed into the concave part 33 of the mount part 17, the through holes 35 and 39 are communicated with each other, and the fastener 21 is inserted into the through holes 35 and 39 which are communicated with each other. and both ends are locked to the mount portion 17.
  • the connecting portion 19 is composed of a disc-shaped convex portion 37 having no step in the thickness direction, thereby simplifying the shape of the connecting portion 19 and reducing the height of the mounting location of the vibrator 13. I can figure it out.
  • the mount portion 17 may be a recessed portion 33 that penetrates from the front to the back, or may be a concave portion 33 that does not penetrate from the front to the back but is continuous on the side facing the first main surface 15a of the glass plate structure 15.
  • the recess may have a flat surface.
  • FIG. 8 is a schematic cross-sectional view of the glass diaphragm 11 explaining the third modification.
  • the mount portion 17 includes a disc-shaped (cylindrical) convex portion 41 having a through hole 43, and a male screw 41a is provided on the outer wall surface of the convex portion 41 of the mount portion 17. It is formed.
  • the connecting portion 19 is formed with a recess 45 having a female thread 45a on the inner wall surface on the side where it is attached to the mount portion 17, and a through hole 47 that penetrates in the radial direction.
  • the convex portion 41 of the mount portion 17 is screwed into the concave portion 45 of the connecting portion 19. Furthermore, with the convex part 41 of the mount part 17 screwed into the concave part 45 of the connecting part 19, the through holes 43 and 47 are communicated with each other, and the fastener 21 is inserted into the through holes 43 and 47 which are communicated with each other. and both ends are locked to the connecting part 19.
  • the mount portion 17 is formed of the disc-shaped convex portion 41, so that the shape of the mount portion 17 can be simplified and the height of the mounting portion of the vibrator 13 can be reduced.
  • FIG. 9 is a schematic cross-sectional view of the glass diaphragm 11 illustrating a fourth modification.
  • the connecting portion 19 includes a disc-shaped (cylindrical) convex portion 37, and a male thread 37a is formed on the outer wall surface of the convex portion 37 of the connecting portion 19.
  • This connecting portion 19 has approximately the same diameter as the vibrator 13.
  • the mount portion 17 is formed with a recess 33 having a female thread 33a on the inner wall surface on the mounting side of the connection portion 19, and further has a through hole 35 that penetrates in the radial direction.
  • the convex portion 37 of the connecting portion 19 is screwed into the concave portion 33 of the mount portion 17 fixed to the glass plate structure 15.
  • (the convex portion 37 of) the connecting portion 19 has approximately the same diameter as the concave portion 33 of the mount portion 17.
  • the through holes 35 and 39 are communicated with each other, and the fastener 21 is inserted into the through holes 35 and 39 which are communicated with each other. and both ends are locked to the mount portion 17.
  • the vibrator 13 is housed in the recess 33 of the mount portion 17 together with the connecting portion 19 .
  • the vibrator 13 is accommodated in the recess 33 of the mount portion 17 together with the disc-shaped (column-shaped) convex portion 37 of the connecting portion 19, so that the height of the mounting location of the vibrator 13 is reduced.
  • the outer periphery of the vibrator 13 can be protected by the mount portion 17.
  • FIG. 10A is a schematic cross-sectional view taken along the first main surface 15a of the glass plate structure 15 explaining Modification 5.
  • FIG. 10B is a perspective view of the mount section 17 used in Modification Example 5.
  • the mount portion 17 is formed into a polygonal shape having a plurality of corners 17a in plan view.
  • the mount portion 17 is formed in a hexagonal shape in plan view.
  • the pin part 25 of the fastener 21 is inserted into the through holes 35 and 39 of the mount part 17 and the connecting part 19, which communicate with each other, until the ring part 23 comes into contact with the outer wall surface of the mount part 17. There is.
  • the pin portion 25 of the fastener 21 protruding from the outer wall surface of the mount portion 17, that is, the two tip portions of the split pin, are bent toward opposite sides so as to contact the outer wall of the mount portion 17.
  • the mount part 17 is formed in a hexagonal shape in plan view, when the tip of the pin part 25 of the fastener 21 is bent and aligned with the outer wall surface of the mount part 17, the mount part 17 is It is bent at the corner 17a. Thereby, the locking force of the fastener 21 to the mount portion 17 can be increased.
  • FIG. 11 is a perspective view of the mount section 17 used in Modification 6.
  • the mount portion 17 has a plurality of through holes 35 that penetrate in the radial direction. These through holes 35 are formed at three locations (six single holes) in the radial direction passing through the center of the mount portion 17, respectively.
  • the outer edge of the mount portion 17 is formed into a regular hexagonal shape having a plurality of corners 17a in a plan view, but it may also be circular in a plan view, and is not limited to a regular hexagonal shape, but may have an arbitrary polygonal shape or a partial shape. It may also have a curved shape.
  • the mount part 17 since the mount part 17 has a plurality of through holes 35, when attaching the connecting part 19, the through hole 39 of the convex part 37 of the connecting part 19 fitted into the concave part 33 of the mount part 17 is mounted. It can be easily communicated with the through hole 35 of the portion 17. Thereby, the workability of attaching the connecting portion 19 to the mount portion 17 can be improved.
  • the mount portion 17 in Modification 6 may be connected to the connecting portion 19 using not only one but two or more fasteners 21.
  • FIG. 12A is a schematic cross-sectional view of the glass diaphragm 11 explaining Modification Example 7.
  • FIG. 12B is a perspective view of the mount portion 17 used in Modification Example 7.
  • the mount portion 17 has a plurality of through grooves 36 that penetrate in the radial direction on the side fixed to the glass plate structure 15. These through grooves 36 are each formed in a radial direction passing through the center of the mount portion 17 .
  • the mount portion 17 is formed in a hexagonal shape having a plurality of corners 17a in a plan view, it may have a circular shape in a plan view.
  • at least one through groove 36 that penetrates the mount portion 17 in the radial direction may be provided.
  • the mount portion 17 is fixed to the glass plate structure 15 with the end surface 17b on the side where the through groove 36 is formed in contact with the adhesive layer 31.
  • a radial hole formed by the through groove 36 is formed on the glass plate structure 15 side of the mount part 17.
  • the through groove 36 of the mount portion 17 and the through hole 39 of the connecting portion 19 are connected to each other. are being communicated.
  • the pin portion 25 of the fastener 21 is inserted through the communicating through groove 36 and the through hole 39, and both ends of the fastener 21 are locked to the mount portion 17.
  • FIG. 13 is a schematic cross-sectional view of the glass diaphragm 11 explaining modification example 8.
  • the inner peripheral part 34a that contacts the convex part 37 of the connecting part 19 is made of metal
  • the outer peripheral part outside the inner peripheral part 34a 34b is a material with a specific gravity lower than that of metal. Resin is preferable as a material having a specific gravity lower than metal constituting this outer peripheral portion 34b.
  • the inner circumferential portion 34a of the mount portion 17 that contacts the convex portion 37 in the recessed portion 33 is made of metal, durability and strength are increased.
  • the outer peripheral portion 34b of the recess 33 includes a material having a specific gravity lower than that of metal, it can be made lightweight. In particular, if the outer peripheral part 34b is made of resin, it can be easily and firmly adhesively fixed to the glass plate structure 15 by the adhesive layer 31.
  • the bottom surface of the recess 33 of the mount portion 17 is shaped to be in contact with the upper surface of the convex portion 37 of the connecting portion 19, but the mount portion 17 may be a recess that penetrates from the front and back.
  • FIG. 14 is a schematic cross-sectional view of the glass diaphragm 11 explaining Modification 9.
  • FIG. 14 in modification 9, a through hole 15c is formed in the glass plate structure 15.
  • the mount portion 17 has a convex portion 41 .
  • This mount portion 17 is attached to the glass plate structure 15 from the second main surface 15b side and is adhesively fixed by an adhesive layer 31.
  • the convex portion 41 of this mount portion 17 penetrates through the through hole 15c of the glass plate structure 15, and protrudes from the first main surface 15a.
  • the mount portion 17 since the mount portion 17 passes through the through hole 15c of the glass plate structure 15, the vibrator 13 can be stably attached to the glass plate structure 15. In particular, in this modification 9, there is a very low possibility that the mount portion 17 will peel off from the glass plate structure 15. Further, the mount portion 17 may be provided with an antenna or radar function that transmits radio waves through the through hole 15c of the glass plate structure 15. Further, the mount section 17 may be provided with a temperature sensor, a humidity sensor, an acceleration sensor, a rain sensor, a pressure sensor, etc., and various information may be fed back from the mount section 17 to the automobile.
  • FIG. 15A is a schematic cross-sectional view of the glass diaphragm 11 explaining Modification 10.
  • FIG. 15B is a perspective view of a fastener 57 used in Modification 10.
  • FIG. 15C is a perspective view of another fastener 57 used in Modification 10.
  • a through hole 15c is formed in the glass plate structure 15.
  • the mount part 17 has a recess 33 penetrating the front and back sides, and the mount part 17 is bonded to the first main surface 15a of the glass plate structure 15 so that the recess 33 communicates with the through hole 15c. It is adhesively fixed by layer 31.
  • mount portion 51 is adhesively fixed to the second main surface 15b of the glass plate structure 15 with an adhesive layer 53.
  • This mount portion 51 also has a recess 55 passing through the front and back, and this recess 55 communicates with the through hole 15c of the glass plate structure 15.
  • the convex portion 37 is fitted into the recess 33 of the mount portion 17, the through hole 15c of the glass plate structure 15, and the recess 55 of the other mount portion 51 from the first main surface 15a side of the glass plate structure 15. , protrudes from the other mount portion 51 to the side opposite to the glass plate structure 15.
  • the fastener 21 is inserted into the through holes 35 and 39 that communicate with each other with the convex portion 37 of the connecting portion 19 fitted into the recess 33 of the mount portion 17. Both ends are locked to the mount portion 17.
  • a fastener 57 is attached to the convex portion 37 of the connecting portion 19 that protrudes from the other mount portion 51 to the side opposite to the glass plate structure 15.
  • the fastener 57 is preferably attached within 10 mm, and preferably within 5 mm from the second main surface 15b of the glass plate structure 15. It is preferable that they are attached within 3 mm.
  • the lower limit of the fastener 57 from the second main surface 15b may be at least 0.1 mm or more.
  • this fastener 57 is made of a snap ring.
  • the fastener 57 made of this snap ring is made of a metal material such as spring steel, for example, and is formed in a C-shape with a notch in a portion in the circumferential direction.
  • This fastener 57 has an engagement hole 59 at its end for engaging a tool.
  • This fastener 57 is arranged on the outer periphery of the convex part 37 of the connecting part 19 while engaging the engagement hole 59 and expanding the diameter, and in this state, by releasing the diameter expansion by the tool, the connecting part It is crimped to the outer circumference of the convex portion 37 of No. 19. Thereby, the fastener 57 serves as a stopper mechanism to prevent the connecting part 19 from coming off from the other mount part 51.
  • the connecting portion 19 that is locked to the mount portion 17 by the fastener 21 is further locked to another mount portion 51 by the fastener 57.
  • the mount portion 17 (and the mount portion 51) and the connection portion 19 of the vibrator 13 can be mechanically fixed more firmly.
  • the fastener 57 that is crimped onto the convex portion 37 of the connecting portion 19 includes a plurality of locking claws that lock the outer circumferential portion of the convex portion 37 of the connecting portion 19, as shown in FIG. 15C. It may also be an E-shaped snap ring in which 57a is provided on the inner periphery. The fastener 57 made of this E-shaped snap ring is fitted into the convex portion 37 of the connecting portion 19 from the side and crimped.
  • FIG. 16 is a schematic cross-sectional view of the glass diaphragm 11 illustrating Modification 11.
  • FIG. 16 has a mounting structure of a type in which the mount part 17 in Modification 10 is not provided, and a connecting part 19 that protrudes from another mount part 51 to the side opposite to the glass plate structure 15.
  • a fastener 57 is attached to the protrusion 37.
  • the other mount portion 51 and the connecting portion 19 of the vibrator 13 are mechanically fixed by the fasteners 57, so that the vibrator 13 can be stably attached to the glass plate structure 15. Moreover, since the vibrator 13 can be removed from the glass plate structure 15 by removing the fastener 57, the vibrator 13 or the member in which the connecting portion 19 and the vibrator 13 are integrated can be easily replaced.
  • a resin adheresive layer
  • a pressure-sensitive adhesive such as an adhesive or a pressure-sensitive adhesive.
  • FIG. 17 is a schematic cross-sectional view of the glass diaphragm 11 explaining modification 12.
  • the mount portion 17 has a screw hole 61 that passes through the outer wall surface and the inner wall surface of the recess 33.
  • the connecting portion 19 has an engagement hole 63 on the outer wall surface of the convex portion 37 .
  • the mount portion 17 and the connecting portion 19 of the vibrator 13 are mechanically fixed by the fasteners 65, so that the vibrator 13 can be stably attached to the glass plate structure 15. Further, the vibrator 13 can be removed from the glass plate structure 15 by loosening and removing the fastener 65, so that the vibrator 13 or the member in which the connecting portion 19 and the vibrator 13 are integrated can be easily replaced.
  • the mount part 17 has a shape in which the bottom surface of the recess 33 contacts the top surface of the convex part 37 of the connecting part 19, but the mount part 17 has a recess that penetrates from the front and back. It may have.
  • the present invention is not limited to the embodiments described above, and those skilled in the art can combine the configurations of the embodiments with each other, modify and apply them based on the description of the specification and well-known techniques. It is also contemplated by the present invention to do so, and is within the scope for which protection is sought.
  • a glass plate structure a mount portion fixed to the glass plate structure; a connection part that is attached to the mount part and fixed to a vibrator that vibrates the glass plate structure; a fastener that mechanically fixes the mount portion and the connection portion; has A glass diaphragm, wherein at least one of the mount portion and the connection portion has an uneven portion that fits into the other side. According to the glass diaphragm having this configuration, the mount portion and the connecting portion of the vibrator are mechanically fixed using fasteners.
  • the vibrator can be stably attached to the glass plate structure, and it is possible to suppress the quality of the sound emitted from the glass diaphragm from deteriorating and the vibrator from falling off due to misalignment of the vibrator. Further, since the vibrator can be removed from the glass plate structure by removing the fastener, the vibrator can be easily replaced.
  • the connecting portion has at least one through hole, The glass diaphragm according to (1) or (2), wherein the fastener passes through the through hole. According to the glass diaphragm having this configuration, the mounting portion and the connecting portion can be firmly attached using the fasteners passed through the through holes of the connecting portion, thereby increasing reliability.
  • the mount section has at least one through hole or through groove,
  • the mount portion and the connecting portion can be easily attached using fasteners passed through the through holes or through grooves of the mount portion.
  • the inner circumferential portion of the concave portion that contacts the convex portion is made of metal, and the outer circumferential portion outside the inner circumferential portion includes a material having a specific gravity lower than that of the metal.
  • the glass diaphragm having this configuration since the inner circumferential portion of the recess that contacts the convex portion is made of metal, durability and strength are improved. Furthermore, since the outer peripheral portion of the recess includes a material having a specific gravity lower than that of metal, it can be made lightweight.
  • the mount portion has the uneven portion,
  • the connecting portion is attached to the recessed portion of the uneven portion,
  • the fastener is crimped to the outer circumferential portion of the connecting portion, thereby preventing the connecting portion from coming off from the mount portion.
  • the mount portion and the connection portion are located on one main surface side of the glass plate structure, and the mount portion is fixed to the one main surface by an adhesive layer, (1) to (14).
  • the glass diaphragm according to any one of the above. According to the glass diaphragm having this configuration, the mount portion is fixed to one main surface of the glass plate structure by the adhesive layer. Thereby, the connection part can be attached to the mount part, and the vibrator can be stably attached to the glass plate structure.
  • a glass diaphragm with a vibrator comprising the glass diaphragm according to any one of (1) to (18) and the vibrator.
  • the glass diaphragm with a vibrator having this configuration, by mechanically fixing the connecting portion to the glass plate structure, the glass diaphragm can be made into a glass diaphragm with a vibrator including a vibrator.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

L'invention concerne une membrane en verre comprenant : un corps constitutif en plaque de verre ; une pièce de montage fixée au corps constitutif en plaque de verre ; une pièce de connexion montée sur la pièce de montage et fixée à un vibrateur qui fait vibrer le corps constitutif en plaque de verre ; et un élément de fixation qui fixe mécaniquement la pièce de montage et la pièce de connexion. Au moins l'une des parties de la monture et de la connexion présente une partie en saillie vers l'autre et est équipée de cette dernière.
PCT/JP2023/015007 2022-04-19 2023-04-13 Membrane en verre et membrane en verre équipée d'un vibrateur WO2023204133A1 (fr)

Applications Claiming Priority (2)

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JP2022068984 2022-04-19
JP2022-068984 2022-04-19

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WO2023204133A1 true WO2023204133A1 (fr) 2023-10-26

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397157A (en) * 1977-02-02 1978-08-25 Saito Tatsuo Snap ring for preventing nut from loosening
JPS591921U (ja) * 1982-06-28 1984-01-07 東洋電機製造株式会社 機器締付ナツト類の緩み止め装置
JP2006180368A (ja) * 2004-12-24 2006-07-06 Fujitsu Ten Ltd 車両の内装板を振動板としたスピーカ装置
WO2019172076A1 (fr) * 2018-03-06 2019-09-12 Ａｇｃ株式会社 Dispositif de haut-parleur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397157A (en) * 1977-02-02 1978-08-25 Saito Tatsuo Snap ring for preventing nut from loosening
JPS591921U (ja) * 1982-06-28 1984-01-07 東洋電機製造株式会社 機器締付ナツト類の緩み止め装置
JP2006180368A (ja) * 2004-12-24 2006-07-06 Fujitsu Ten Ltd 車両の内装板を振動板としたスピーカ装置
WO2019172076A1 (fr) * 2018-03-06 2019-09-12 Ａｇｃ株式会社 Dispositif de haut-parleur

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