JPH061821U - Mating structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a fitting structure that has a high degree of perfection as a product and that allows the fitting portion to be easily removed. In a fitting structure in which a hole 11a is formed in a spacer 11 and a pawl 14 that fits in the hole 11a is formed in a speaker unit 12, a side surface of the pawl 14 and a side surface of the hole 11a have an inclination angle. Mating structure that is configured.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a fitting structure, and more particularly to a fitting structure of a speaker unit such as a tweeter and a spacer for holding the unit.

[0002]

[Prior art]

 As a conventional fitting structure of this type, a fitting structure in a speaker will be described as an example.

FIGS. 4A and 4B are schematic perspective views showing a conventional vehicle-mounted speaker unit and a spacer for holding the speaker unit. Reference numeral 21 in the figure shows a spacer 21 having a substantially cylindrical shape, and a hole 21a having a quadrangular shape in a front view is formed in a central portion of a side surface of the spacer 21. A loudspeaker unit 22 is disposed above the spacer 21 so that the central portion of the disk projects in a semi-spherical shape and has a pawl 24 having an L-shaped cross section at one end of the outer peripheral side surface of the disk. The speaker unit 22 is fixed to the spacer 21 side by fitting the hole 21a of the spacer 21 and the pawl 24 of the speaker unit 22 into each other.

A decoration ring 23 is arranged so as to cover the peripheral end of the speaker unit 22 and the side surface of the spacer 21, and an adhesive tape made of butyl rubber is attached to the side surface of the speaker unit 22. The speaker unit 22 and the decorative ring 23 are fixed by this tape.

5A and 5B show a fitting state of the hole 21a of the spacer 21 and the pawl 24 of the speaker unit 22. FIG. 5A is an enlarged perspective view and FIG. 5B is an enlarged side sectional view. The side surface of the hole 21a and the side surface 24a of the pawl 24 are arranged in parallel with each other, and in the above fitting structure, if the decorative ring 23 is detachable from the speaker unit 22, the spacer 21 and the speaker unit It can be detached from 22. When removing the speaker unit 22 from the spacer 21, first, the decorative ring 23 is removed from the speaker unit 22 and, thereafter, as shown by an arrow A in FIG. Through the hole 21a, and the speaker unit 22 is removed from the spacer 21.

[0006]

[Problems to be solved by the device]

 However, in the conventional fitting structure as shown in FIG. 4, in order to remove the spacer 21 and the speaker unit 22, it is necessary to apply a vertical force to the pawl 24 directly to the pawl 24. There was a problem that it was difficult to remove depending on the case.

Further, when removing the spacer 21 and the speaker unit 22, it is necessary to remove the decoration ring 23 from the speaker unit 22 once, and the speaker unit 22 and the decoration ring 23 cannot be completely fixed. Since the speaker unit 22 and the decorative ring 23 can be removed by using the adhesive tape, there is a problem that the product is not complete.

The present invention has been devised in view of the above problems, and an object thereof is to provide a fitting structure that has a high degree of perfection as a product and that allows the fitting portion to be easily removed. I am trying.

[0009]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the fitting structure according to the present invention is a fitting structure in which a hole is formed in one member and a protrusion that fits into the hole is formed in the other member. It is characterized in that the side surface and the side surface of the hole have an inclination angle.

[0010]

[Action]

 According to the above configuration, in the fitting structure in which the hole is formed in one member and the projection that fits in the hole is formed in the other member, the side surface of the projection and the side surface of the hole have an inclination angle. Since the other member is rotated relative to the one member, a force in a direction perpendicular to the rotation direction is generated in the protrusion, and the one member is rotated. It is possible to easily remove the other member from.

Further, even if a decoration member is provided so as to cover the one member and the other member, and the decoration member is completely fixed and integrated with the other member, By rotating the integrated member relative to the one member, a force in a direction perpendicular to the rotation direction is generated in the protrusion, and the integrated member is rotated by the one member. It can be easily removed from the member, and a product with a high degree of perfection can be manufactured.

[0012]

【Example】

 An embodiment of a fitting structure according to the present invention will be described below with reference to the drawings. FIG. 1 is a schematic perspective view showing a fitting structure in a speaker as an example of a fitting structure according to an embodiment. Reference numeral 11 in the drawing shows a spacer 11 having a substantially cylindrical shape. A step portion 11b is formed in the center of the side surface of the spacer 11, and a square hole 11a is formed above the step portion 11b. . A speaker in which a central portion of a disk 12a has a semi-spherical projecting portion 12b above the spacer 11 and a pawl 14 having an L-shaped cross section is formed from one end of an outer peripheral side surface of the disk 12a. A unit 12 is provided. That is, the speaker unit 12 is fixed to the spacer 11 side by fitting the hole 11a of the spacer 11 and the pawl 14 of the speaker unit 12 into each other. The shape of the tip of the pawl 14 is shown enlarged in FIG. 2A is an enlarged front view, FIG. 2B is an enlarged side view, and FIG. 2C is an enlarged plan view. Further, the fitting state of the hole 11a and the pawl 14 is shown in an enlarged manner in FIG. The side surface 14a of the pawl 14 is configured to have a certain inclination angle with respect to the side surface 11b of the hole 11a, and the hole 11a and the pawl 14 are fitted to each other to maintain a fixed state.

A decorative ring 13 is provided so as to cover the side surface 12c of the speaker unit 12 and the upper side surface 11c of the spacer 11, and an adhesive agent or the like is applied to the outer peripheral side surface 12c of the disk-shaped portion 12a of the speaker unit 12. By applying, the speaker unit 12 and the decorative ring 13 are fixed and integrated.

A process of detaching the speaker unit 12 from the spacer 11 having the fitting structure according to the above embodiment will be described with reference to FIGS. 1B and 3A and 3B. First, the decoration ring 13 is rotated in the direction of arrow B in FIG. 1 (b) (FIG. 1 (b)). Since the speaker unit 12 and the decorative ring 13 are integrated, the speaker unit 12 also rotates in the direction of arrow B at the same time as the above rotation, and the pawl 14 of the speaker unit 12 is rotated in the direction of arrow in FIG. 3 (a). By this rotation, a force is generated in the pawl 14 in the direction perpendicular to the arrow direction (the direction of the arrow in the figure) (Fig. 3 (a)), and the pawl 14 automatically retreats from the hole 11a, and the speaker unit 12 can be easily removed from the spacer 11 (FIG. 3 (b)).

In the fitting structure according to the present embodiment, when the speaker unit 12 and the spacer 11 are removed, the speaker unit 12 is rotated relative to the spacer 11 so that the pawl 14 is circumferentially rotated. A force is generated inwardly in the direction perpendicular to the claw 14, and the pawl 14 automatically retracts from the hole 11a, so that the speaker unit 12 and the spacer 11 can be easily removed. Further, since the speaker unit 12 and the decorative ring 13 are integrated, if the decorative ring 13 is rotated in the integrated state, the speaker unit 12 can be rotated at the same time. As described above, even if the decorative ring is not removed from the unit, the pawl 14 can generate a force inward in the direction perpendicular to the circumferential direction, and the speaker unit 12 and the spacer 11 can be easily removed. In addition, it is possible to manufacture a product with a high degree of perfection.

In the above embodiment, the side surface 14a of the pawl 14 is configured to have a certain inclination angle with respect to the side surface 11b of the hole 11a, but in another embodiment, the side surface of the pawl 14 is, on the contrary, circumferentially. Alternatively, the side surface of the hole 11a may be formed to have an inclination angle with respect to the side surface of the pawl 14 while maintaining the vertical direction.

[0017]

[Effect of device]

 As described above in detail, in the fitting structure according to the present invention, in the fitting structure in which the hole is formed in one member and the protrusion that fits in the hole is formed in the other member, Since the side surface and the side surface of the hole are configured to have an inclination angle, by rotating the other member relative to the one member, the protrusion is formed in the above-described rotation direction. As a result, a force is generated in the right angle direction, and the other member can be easily removed from the one member.

Further, even if a decoration member is provided to cover the one member and the other member, and the decoration member is completely fixed and integrated with the other member, By rotating the integrated member relative to the one member, a force in a direction perpendicular to the rotation direction is generated in the protrusion, and the integrated member is rotated by the one member. It can be easily removed from the member, and a product with a high degree of perfection can be manufactured.

[Brief description of drawings]

1A and 1B are schematic perspective views showing a speaker as an embodiment of a fitting structure according to the present invention.

FIG. 2A is an enlarged front view showing a pawl, and FIG.
Is an enlarged side view, and (c) is an enlarged plan sectional view.

3A and 3B are enlarged perspective views showing a process of removing a pawl of a speaker unit from a hole of a spacer.

4A and 4B are schematic perspective views showing a speaker having a conventional fitting structure.

5 (a) is an enlarged perspective view showing a fitted state of the hole of the spacer and the pawl of the speaker unit in FIG.
(B) is an enlarged side sectional view.

[Explanation of symbols]

 11 spacer 11a hole 12 speaker unit 14th

Claims (1)

[Scope of utility model registration request] 1. A fitting structure in which a hole is formed in one member and a protrusion that fits in the hole is formed in the other member, and a side surface of the protrusion and a side surface of the hole have an inclination angle. A mating structure characterized by being configured as follows.