JP3556019B2 - Microphone windshield mounting device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microphone windshield mounting device for mounting a windshield at a tip of a microphone body having a built-in microphone unit.
[0002]
[Prior art]
A microphone is an acoustic device that converts a change in sound pressure into an electric signal.When the diaphragm of the microphone unit vibrates due to the change in sound pressure, the voice coil crosses magnetic flux, and a voltage corresponding to the vibration speed is applied to the end of the voice coil. Is generated, and a windshield is generally attached to the microphone body.
[0003]
When the windshield is mounted on the microphone body, for example, as shown in FIG. 3, the windshield is formed on the outer peripheral surface of the fitting projection 11 at the distal end of the microphone body 10 in which a microphone unit (not shown) is incorporated. There is a type in which a female screw portion 22 formed on an inner peripheral surface of an under ring portion 21 of a windshield 20 is screwed into the male screw portion 12.
[0004]
As shown in FIG. 4, an L-shaped engagement groove 13 formed in a fitting projection 11 at the tip of the microphone body 10 protrudes from an inner peripheral surface of an under ring portion 21 of the windshield 20. The set screw 24 is attached to the under ring 21 with the engagement pin 23 engaged with the windshield 20 and the engagement pin 23 in contact with the lower end of the engagement groove 13. Some windshields 20 are fixed to the microphone body 10.
[0005]
[Problems to be solved by the invention]
However, in the former method of mounting the windshield 20, the under ring 21 of the windshield 20 is simply screwed into the fitting projection 11 of the microphone body 10, so that anyone can easily attach the windshield 20 to the microphone. When the windshield 20 is inadvertently removed from the microphone body 10, the microphone unit inside the microphone body 10 can be easily touched. May be damaged.
[0006]
On the other hand, in the latter method of attaching the windshield 20, if the set screw 24 is loosened, the under ring portion 21 of the windshield 20 is loosened. I try not to. For this reason, it is extremely difficult to remove the set screw 24. For example, when the windshield 20 is to be removed for repair, it takes time to remove the set screw 24, and it is not possible to perform quick repair.
[0007]
SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and prevents careless removal of a draft shield to prevent damage to a microphone unit, and facilitates removal of a draft shield during repair. It is an object of the present invention to provide a windshield mounting device for a microphone that can be installed.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a microphone windshield mounting device for attaching a lower end of a windshield to a front end of the microphone body so as to cover a microphone unit built in the microphone body. A lock member that locks the mounting state between the front end portion of the microphone body and the lower end portion of the windshield is screwed around the lower end portion of the windshield attached to the tip end by screwing. It is characterized by being mounted by being screwed so as to become .
[0009]
[Action]
In the microphone windshield mounting device of the present invention, after attaching the lower end of the windshield to the front end of the microphone body by screwing so as to cover the microphone unit, the front end of the microphone body and the lower end of the windshield are mounted around the lower end of the windshield. a locking member for locking the mounting state of the part mounted by screwing, screwing of the locking member threaded direction is set to be opposite to the threaded between the tip end and the lower end of the windshield of the microphone body Therefore, when the lock member is attached to the lower end portion of the windshield, rotation of the windshield in the removal direction is prevented by screwing by the lock member, and the windshield is prevented from being removed from the front end of the microphone body.
[0010]
On the other hand, when removing the windshield from the front end of the microphone body, first remove the lock member and release the locked state between the front end of the microphone body and the lower end of the windshield to prevent the windshield from the front end of the microphone body. Removal can be performed.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the drawings described below, portions common to FIGS. 3 and 4 are denoted by the same reference numerals, and redundant description will be omitted.
[0012]
FIGS. 1 and 2 show an embodiment of a windshield mounting device for a microphone according to the present invention. As shown in these figures, the grip portion 14 of the microphone body 10 is provided with an ON / OFF switch 15 that is slidable in the ON-OFF direction, and a holding member that is detachable by a screw 16. By removing 17, the ON / OFF switch 15 can be removed from the microphone body 10.
[0013]
An engagement step portion 18 for engaging an engagement step portion 31 of a lock ring 30 as a lock member is provided on the fitting projection 11 having the male screw portion 12 of the microphone body 10.
[0014]
On the inner peripheral surface of the lock ring 30, a female screw part 32 is formed on the outer peripheral surface of the under ring part 21 of the windshield 20, which is opposite to the female screw part 22 of the underring part 21 of the windshield 20. It is screwed to the male screw portion 23 which is provided.
[0015]
Here, when attaching the lock ring 30 to the under ring portion 21, the hollow portion 33 of the lock ring 30 is inserted from the lower end portion 19 side of the microphone body 10, and the female screw portion 32 of the lock ring 30 is attached to the under ring portion 21. 21 is screwed into the male screw portion 23. At this time, when the lock ring 30 is screwed in, the engagement step 31 of the lock ring 30 is engaged with the engagement step 18 provided on the fitting projection 11 of the microphone body 10, and the lock ring 30 Is restricted.
[0016]
At this time, the screwing direction of the lock ring 30 into the under ring portion 21 is opposite to the screwing direction of the under ring portion 21 of the windshield 20 into the fitting projection 11 of the microphone body 10. Is attached to the under ring portion 21, the rotation of the windshield 20 in the removal direction is prevented by the engagement of the lock ring 30.
[0017]
A microphone unit 50 is mounted on a cylindrical holding portion 40 provided on the fitting projection 11 of the microphone body 10. That is, the ring-shaped damper 51 and the yoke 52 of the microphone unit 50 are fixed to the inner surface of the cylindrical holding unit 40. A resistance material 53 and a magnet 54 are fixed inside the yoke 52. A voice coil 56 connected to a diaphragm 55 is inserted in a magnetic gap between the yoke 52 and the magnet 54.
[0018]
Further, a ring plate 57 is fixed to upper ends of the damper 51 and the yoke 52. A filter 59 is provided above the diaphragm 55 via a resonator 58 attached to the outer periphery of the damper 51. The net portion 24 of the windshield 20 attached to the fitting projection 11 of the microphone body 10 has a two-part configuration, and both are fixed by a ring-shaped head ring 25. Further, an inner guard 27 is interposed between the net portion 24 and a urethane 26 having substantially the same shape as the net portion 24 provided inside the net portion 24.
[0019]
In such a configuration, when the windshield 20 is attached to the microphone body 10, it is performed as follows.
First, after screwing the female screw portion 22 of the under ring portion 21 of the windshield 20 into the male screw portion 12 formed on the fitting projection 11 of the microphone body 10, the lock ring is formed from the lower end portion 19 side of the microphone body 10. The female thread 32 of the lock ring 30 is screwed into the male thread 23 of the under ring 21.
[0020]
At this time, when the lock ring 30 is screwed in, the engagement step 31 of the lock ring 30 is engaged with the engagement step 18 provided on the fitting projection 11 of the microphone body 10, and the lock ring 30 Since the screwing amount of the lock ring 30 is regulated, the lock ring 30 is securely screwed into the under ring portion 21 until the screwing of the lock ring 30 is regulated.
[0021]
Thereby, even if the windshield 20 is to be removed with the lock ring 30 attached to the under ring portion 21, the engagement between the female screw portion 22 inside the under ring portion 21 and the external male screw portion 23 outside the under ring portion is opposite to each other. Since the windshield 20 is oriented, the rotation of the windshield 20 in the removal direction is prevented by the engagement of the lock ring 30 in the opposite direction, and the careless removal of the windshield 20 is prevented.
[0022]
On the other hand, when removing the windshield 20 for repair, for example, it is performed as follows.
First, the lock ring 30 is rotated in a direction opposite to the screwing direction at the time of attachment to the under ring portion 21, the lock ring 30 is removed from the under ring portion 21, and the lock state of the windshield 20 by the lock ring 30 is released. .
[0023]
As a result, the reverse engagement of the lock ring 30 with the under ring portion 21 is released, so that the windshield 20 is rotated in a direction opposite to the screwing direction of the microphone body 10 into the fitting projection 11, whereby the windshield 20 is rotated. Can be removed from the microphone body 10.
[0024]
As described above, in the present embodiment, after the under ring 21 of the windshield 20 is screwed into the fitting protrusion 11 of the microphone body 10 so as to cover the microphone unit 50, the outer periphery of the under ring 21 is Since the lock ring 30 having a meshing direction opposite to the screwing direction of the under ring portion 21 is screwed and fitted, the rotation of the draft shield 20 in the removing direction is prevented by the meshing of the lock ring 30 in the opposite direction. That is, the careless removal of the windshield 20 is prevented, so that there is no danger of touching the microphone unit 50 and the microphone unit 50 is prevented from being damaged.
[0025]
On the other hand, when removing the windshield 20 from the fitting protrusion 11 of the microphone body 10, the lock state of the fitting protrusion 11 of the microphone body 10 and the under ring portion 21 of the windshield 20 is removed by removing the lock ring 30. Since the windshield 20 can be released, the windshield 20 can be easily removed at the time of repair.
[0026]
In the present embodiment, a female screw part 22 and a male screw part 23 are formed on the inner and outer peripheral surfaces of the under ring part 21, and the male screw part 12 formed on the outer peripheral surface of the fitting projection 11 of the microphone body 10. A case has been described in which the careless removal of the windshield 20 is prevented by screwing with the female screw portion 32 formed on the inner peripheral surface of the lock ring 30. However, the present invention is not limited to this example. The fitting between the fitting projection 11 of the microphone body 10 and the under ring portion 21 of the windshield 20 is the concave and convex fitting shown in FIG. 4, and the under ring portion 21 and the lock ring 30 are screw fitted. You may.
[0027]
The present invention is not limited to this example, and the fitting protrusion 11 of the microphone body 10 and the under ring portion 21 of the windshield 20 may be screw-fitted, and the under ring portion 21 and the lock ring 30 may be unevenly fitted. Further, the fitting between the fitting projection 11 of the microphone body 10 and the under-ring portion 21 of the windshield 20 may be formed as an uneven fitting, and the under-ring portion 21 and the lock ring 30 may be formed as an uneven fitting.
[0028]
【The invention's effect】
As described above, according to the microphone windshield mounting device of the present invention, after attaching the lower end of the windshield to the front end of the microphone body by screwing so as to cover the microphone unit, the microphone is attached to the outer periphery of the lower end of the windshield. A locking member that locks the mounting state between the tip of the body and the lower end of the windshield is screwed in. The screwing of the locking member is performed by screwing in the screwing between the front end of the microphone body and the lower end of the windshield. Since the direction is reversed, when the lock member is attached to the lower end of the windshield, rotation of the windshield in the removal direction is prevented by screwing of the lock member, and the windshield is moved from the front end of the microphone body. Can be prevented from being removed, and damage to the microphone unit can be prevented.
[0029]
On the other hand, when removing the windshield from the front end of the microphone body, first remove the lock member and release the locked state between the front end of the microphone body and the lower end of the windshield to prevent the windshield from the front end of the microphone body. Since it can be removed, the windshield at the time of repair can be easily removed.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view illustrating an embodiment of a windshield mounting device for a microphone according to the present invention.
FIG. 2 is a front view showing the microphone of FIG. 1;
FIG. 3 is a perspective view showing a conventional method of attaching a windshield to a microphone.
FIG. 4 is a perspective view showing another method of attaching a windshield of a conventional microphone.
[Explanation of symbols]
Reference Signs List 10 Microphone body 11 Fitting protrusion 14 Grip 15 ON / OFF switch 12, 23 Male screw 20 Windshield 21 Under ring 22, 32 Female screw 30 Lock ring

Claims (1)

In a microphone windshield mounting device for attaching a lower end of a windshield to a front end portion of the microphone body so as to cover a microphone unit built in the microphone body,
A lock member that locks an attached state between the front end of the microphone body and the lower end of the windshield is attached to an outer periphery of a lower end of the windshield attached to the front end of the microphone body by screwing. A windshield mounting device for a microphone, which is mounted by being screwed so that the mounting direction is reversed .

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