JP4866762B2 - Microphone holder - Google Patents

Description

  The present invention relates to a microphone holder that is used to fix a microphone to a microphone stand or the like, and more specifically, to securely hold a microphone even when intense vibration or impact is applied during sound collection such as instrument sound. It is related with the microphone holder which can do.

  For example, as shown in Patent Document 1, the microphone stand is provided with a C-shaped holder into which the grip portion of the microphone is inserted, and the microphone is inserted and held in the holder.

  However, when picking up the sound of a musical instrument, the installation position of the microphone may change from the initial state due to vibration accompanying the performance of the musical instrument. In particular, the drum set is subject to intense vibrations, so the microphone installation position is easy to change.

  Therefore, a microphone holder that can hold the microphone firmly even when intense vibration is applied is provided on the market. This will be described with reference to FIG. 4 and FIG.

  The microphone holder 1 includes a sleeve 21 having a C-shaped cross section through which a grip portion of a microphone (not shown) is inserted, and a pair extending in parallel to each other in a direction away from the sleeve 2 from the notch 22 of the sleeve 21. The holder body 2 having the clamp arms 23, 23 and the base unit 3 for fixing the holder body 2, and the clamp arms 23, 23 are brought close to each other by the fastening means 4 provided on the base unit 3. By doing so, the inner diameter of the sleeve 21 is reduced to hold the microphone.

JP 2002-232981 A [FIG. 4]

  However, the microphone holder 1 has the following problems. That is, in the conventional microphone holder 1, since the other ends of the clamp arms 23 and 23 are free ends, when the tightening means 4 is tightened, as shown in FIG. The ends 23a and 23a come close to each other, and the diameter reduction deformation of the sleeve 21 is reduced. Therefore, depending on the grip diameter of the microphone, a sufficient holding force may not be obtained.

  Further, when the tightening means 4 is forcibly tightened, the clamp arms 23 and 23 may be plastically deformed, and thus the holding force may be further reduced.

  Therefore, in order to solve the above-described problems, the present invention provides a microphone holder that can reliably reduce the diameter of a sleeve by a tightening force and can hold a microphone.

  In order to achieve the above-described object, the present invention has several features described below. That is, the invention described in claim 1 is a sleeve having a C-shaped cross section through which a microphone is inserted, and a pair of clamps extending in parallel with each other in a direction away from the sleeve from the notch of the sleeve. A microphone holder that holds the microphone by reducing the diameter of the sleeve by bringing the clamp arms close to each other via a predetermined fastening means, and holding the microphone between the free ends of the clamp arms. Is characterized in that a spacer is provided for preventing the free ends from approaching each other when the clamp arm is tightened.

  According to a second aspect of the present invention, in the first aspect, the spacer is provided between an operating point of the tightening means of each clamp arm and a free end of each clamp arm. It is said.

  The invention described in claim 3 is characterized in that the spacer is formed in a U-shaped cross section by integrally connecting the free ends of the clamp arms.

  According to a fourth aspect of the present invention, in the first or second aspect, the clamp arm further includes a base unit having a support groove to which the clamp arm is fixed via the tightening means, and the spacer is disposed on the support groove side. It is characterized by being provided.

  According to the invention described in claim 1, by providing the spacers between the free ends of the clamp arms so that the free ends of the clamp arms do not approach each other, the tightening force of the tightening means is increased. Transmission to the sleeve side can be ensured, the diameter of the sleeve can be reliably reduced, and the microphone can be firmly held.

  According to the second aspect of the present invention, the spacer is provided between the operating point of the clamping means of each clamp arm and the free end of each clamp arm, so that the clamping force is applied between the operating point and the root of the sleeve. It can be reliably transmitted between.

  According to the third aspect of the present invention, the spacers can be easily constrained in the movement of the free ends by integrally connecting the free ends of the clamp arms to form a U-shaped cross section.

  According to the invention described in claim 4, by providing the spacer on the base unit side to which the clamp arm is attached, the diameter of the sleeve can be surely reduced even if a conventional clamp arm as shown in FIG. 4 is used. be able to.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto. FIG. 1 is a partial cross-sectional view of a microphone holder according to an embodiment of the present invention, FIG. 2 (a) is a front view of the holder body, and FIG. is there. In addition, the same referential mark is attached | subjected to the location considered the same as that of the prior art example mentioned above, or the same.

  As shown in FIGS. 1 and 2, the microphone holder 1A includes a holder main body 2A that supports a cylindrical microphone casing (grip portion) of a microphone (not shown), and a base unit 3A that supports the holder main body 2A. Provided, and they are integrally connected via the fastening means 4A.

  The holder body 2A includes a sleeve 21 having a C-shaped cross section through which the grip portion of the microphone is inserted, and a pair of clamp arms 23 extending in parallel with each other in a direction away from the notch 22 of the sleeve 21. 23. In this example, the holder body 2A is made of a molded product of hard synthetic resin.

  As shown in FIG. 2B, the sleeve 21 has a cylindrical shape with an insertion hole 211 into which a microphone is inserted, and an open end of the insertion hole 211 is provided with a taper 212 so that the microphone can be easily inserted. Yes. In the sleeve 21, a non-slip rubber may be attached.

  Each clamp arm 23, 23 extends vertically downward from the notch 22 of the sleeve 21, and a part thereof includes a fastening bolt 41 and a fastening nut 42 of the fastening means 4 </ b> A described later. The insertion holes 231 and 231 through which are inserted are arranged opposite to each other. The insertion holes 231 and 231 have the same diameter.

  The free end sides 23a, 23a of the clamp arms 23, 23 are integrally connected via a spacer 24, and the whole is formed in a U-shaped cross section. In this example, the spacer 24 is provided so as to integrally connect the free ends 23a, 23a of the clamp arms 23, 23, but the free ends 23a, 23a of the clamp arms 23, 23 and the fastening means 4A. As long as it is provided between the operating point (insertion holes 231 and 231).

  Further, the spacer 24 may be integrated with the clamp arms 23 and 23 or may be a separate body as long as both ends of the clamp arms 23 and 23 are not close to each other.

  According to this, when the clamp arms 23, 23 are tightened via the tightening means 4A, the spacers 24 can restrict the free ends 23a, 23a from approaching each other. Thus, the diameter of the sleeve 21 can be reliably reduced.

  The base unit 3A is formed in a cylindrical shape as a whole, and a support groove 31 into which the clamp arms 23, 23 of the holder body 2A are inserted is provided at the upper part. The support groove 31 is formed with a certain width from the upper end of the base unit 3A toward the center, and sandwiching portions 30a and 30b are formed on both sides of the support groove 31.

  The clamping portions 30a and 30b are provided with mounting holes 32 and 33 for mounting a tightening bolt 41 and a tightening nut 42 of the tightening means 4A described later. The mounting holes 32 and 33 are arranged to face each other across the support groove 31, the tightening bolt 41 is inserted into one mounting hole 32, the tightening nut 42 is inserted into the other mounting hole 33, and the support groove In 31 they are screwed together.

  The mounting hole 32 is provided with a step surface 321 on which the washer 412 of the fastening bolt 41 is locked. The step surface 321 is a step surface that is coaxial with the mounting hole 32 and has a diameter larger than the inner diameter of the mounting hole 32.

  The mounting hole 33 is provided with a step surface 331 on which the washer 422 of the tightening nut 42 is locked. The step surface 331 is a step surface that is coaxial with the mounting hole 33 and has a larger diameter than the inner diameter of the mounting hole 32.

  A joint portion 34 connected to joint means provided on a microphone stand (not shown) or the like is provided on the bottom portion (lower portion in FIG. 1) of the base unit 3A. In this example, the joint portion 34 is formed with a female screw having a predetermined pitch, but may be a one-touch type attachment / detachment mechanism or the like. In the present invention, the configuration of the joint portion 34 is an optional matter.

  The tightening means 4 </ b> A includes a tightening bolt 41 and a tightening nut 42. The tightening bolt 41 has a male screw 411 formed at the tip, and a washer 412 formed coaxially at the other end. On the other end of the washer 412, a knob 413 for rotating the fastening bolt 41 is also provided coaxially.

  The tightening nut 42 has a cylindrical guide 421 inserted along the mounting hole 33 and a washer 422 having a diameter larger than that of the guide 421, and a female screw is formed inside the guide 421.

  According to this, the clamping bolt 41 and the clamping nut 42 are inserted from the mounting holes 32 and 33 and screwed together in the support groove 31 to be tightened, so that the clamping portions 30a and 30b approach each other while being elastically deformed. Then, the clamp arms 23 and 23 held in the support groove 31 can be pressed.

  Next, an example of a procedure for using the microphone holder 1A will be described. First, the fastening bolt 41 and the fastening nut 42 of the fastening means 4 </ b> A are loosened, and a microphone grip portion (not shown) is inserted along the sleeve 21.

  Next, when the knob 413 of the tightening bolt 41 is slowly tightened by hand, the tightening bolt 41 gradually advances toward the inside of the tightening nut 42 and the clamping portions 30a and 30b are elastically deformed. While approaching each other.

  As the clamping portions 30a and 30b approach, the clamp arms 23 and 23 also approach each other. However, since the free ends 23a and 23a of the clamp arms 23 and 23 are fixed by the spacer 24, the tightening force thereof is the sleeve. The sleeve 21 is gradually reduced in diameter by being transmitted to the base side between the clamp 21 and the clamp arms 23 and 23.

  As the diameter of the sleeve 21 is reduced, the sleeve 21 comes into close contact with the microphone held in the sleeve 21, and the microphone is prevented from falling off. To remove the microphone, the knob 413 of the tightening bolt 41 may be reversed.

  In this example, the spacer 24 is provided integrally with the holder body 2A, but the spacer 24 may be provided on the base unit 3A side. That is, as shown in FIG. 3, the spacer 24 may be provided so as to protrude from the bottom of the support groove 31 toward the gap between the clamp arms 23 and 23. Such an embodiment is also included in the present invention.

  This not only restricts the free ends 23a, 23a of the clamp arms 23, 23 from approaching each other, but also ensures the sleeve 21 even when the conventional holder body 2 (see FIG. 4) is used. Can be reduced in diameter.

  In addition, the kind of microphone supported by the microphone holder 1A of the present invention is not particularly limited.

1 is a cross-sectional view of a main part of a microphone holder according to an embodiment of the present invention. (A) Front view and (b) AA sectional view of a holder main body. The principal part sectional drawing which shows the modification which provided the spacer in the base unit. Sectional drawing of the principal part of the conventional microphone holder. The front view of the conventional holder main body. The schematic diagram which showed typically the clamped state of the conventional holder main body.

Explanation of symbols

1,1A Microphone holder 2,2A Holder body 21 Sleeve 22 Notch 23,23 Clamp arm 24 Spacer 3,3A Base unit
30a, 30b Clamping part 31 Support groove 32, 33 Mounting hole 4, 4A Tightening means 41 Tightening bolt 42 Tightening nut

Claims (4)

A sleeve having a C-shaped cross section through which the microphone is inserted, and a pair of clamp arms extending in parallel with each other in a direction away from the sleeve from the notch of the sleeve, and a predetermined fastening means In the microphone holder that holds the microphone by reducing the diameter of the sleeve by bringing the clamp arms closer to each other via
A microphone holder, wherein a spacer is provided between the free ends of the clamp arms so that the free ends do not approach each other when the clamp arms are tightened.   2. The microphone holder according to claim 1, wherein the spacer is provided between an operating point of the fastening means of each clamp arm and a free end of each clamp arm.   The microphone holder according to claim 1 or 2, wherein the spacer is formed in a U-shaped cross-section by integrally connecting the free ends of the clamp arms.   The said clamp arm is further equipped with the base unit which has a support groove | channel fixed through the said clamping means, The said spacer is provided in the said support groove | channel side, The Claim 1 or 2 characterized by the above-mentioned. Microphone holder.

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