JP2012182513A - Speaker device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a speaker device that keeps a speaker body coupled to a leg part even if the fastening of the speaker body to the leg part is loosened during an angle adjustment of the speaker body.SOLUTION: A fixing part has: a speaker body mounting portion at one end housed in the speaker body which moves relative to the speaker body within the speaker body to change a relative angle of the speaker body to the leg part; a leg part mounting portion at the other end inserted in a hole portion; and a fastening portion threaded onto the leg part mounting portion to regulate the movement of the speaker body mounting portion within the speaker body and fix the speaker body to the leg part. When released from the threaded fastening by the fastening portion, the leg part mounting portion restrains the fixing part from dislodging from the hole portion to restrain the speaker body from separating from the leg part.

Description

  The present invention relates to a speaker device.

  2. Description of the Related Art Conventionally, a speaker that can adjust the position, angle, and height of a speaker is known in order to form an acoustic space that the user likes. For example, a technique for changing the direction of sound wave emission by changing the baffle plate to an arbitrary angle with respect to the speaker box (see, for example, Patent Document 1), or a block body arranged on both ends of the stay is attached to the speaker. The speaker unit is fastened and fixed with bolts and nuts through the stay in contact with the back side of the section, and the height position of the stay is freely set according to the number of steps of the block body (for example, see Patent Document 2) ) Has been developed. In addition, a technique for setting the height of the speaker cabinet in a stepless manner by tightening a screw for fixing the speaker cabinet at an arbitrary height position of the column (see, for example, Patent Document 3), A technique for preventing the speaker case from dropping due to vehicle vibration or the like by wrapping around a pillar or the like and fixing a bracket supporting the speaker case to the pillar has been developed (for example, see Patent Document 4).

  In addition to this, a technique (e.g., see Patent Document 5) for easily adjusting the sound emission direction with respect to the rotation direction and swinging direction of the speaker device by supporting the speaker device using a ball joint, Developed a technology for adjusting the speaker mounting angle by providing an angle adjustment mechanism at the joint between the joint fixed to the vehicle and the arm or stand mounted according to the mounting position of the vehicle (see, for example, Patent Document 6) Has been. Also, by operating the elevator, the display unit main body is rotated with respect to the pedestal with the connecting means as the rotation center, and the elevation angle of the display unit main body is finely adjusted (for example, see Patent Document 7), A technique for adjusting the direction of the speaker by adjusting the pressing force by the speaker pressing means in accordance with the operation on the speaker pressing means received via the operation receiving unit (see, for example, Patent Document 8), screw holes provided in the stand A technique for adjusting the direction of a speaker by screwing a screw (see, for example, Patent Document 9) has been developed.

Japanese Utility Model Publication No. 5-63193 Japanese Utility Model Publication No. 2-14589 JP 2005-236711 A JP 2005-79742 A Japanese Utility Model Publication No. 5-65191 JP-A-4-20098 JP 2009-171459 A JP 2010-154180 A JP 2002-46538 A JP 2004-304736 A

FIG. 1 is a schematic view of the structure of a conventional speaker device 100 as viewed from below. As shown in FIG. 1, the conventional speaker device 100 includes a speaker main body 101, a leg portion 102 that supports the speaker main body 101, and a fixing portion 103 that fastens the speaker main body 101 and the leg portion 102. The fixing unit 103 includes a bolt 104, a washer 105, and a nut 106. The head portion of the bolt 104 is passed through the slit portion 107 provided at the bottom portion of the speaker body 101, and the shaft portion of the bolt 104 protrudes downward from the bottom portion of the speaker body 101. The leg portion 102 is provided with a hole portion 108 that penetrates from the upper side to the lower side of the leg portion 102 and into which the shaft portion of the bolt 104 can be inserted. By inserting the shaft portion of the bolt 104 from above the hole portion 108, attaching the washer 105 and the nut 106 to the shaft portion of the bolt 104 from below the hole portion 108 via the leg portion 102, and tightening the bolt 104 and the nut 106. The speaker body 101 and the leg 102 are fastened. In this conventional speaker device 100, when adjusting the angle of the speaker main body 101, the angle adjusting screw 109 and the nut 106 provided at the bottom of the speaker main body 101 are loosened, and the speaker main body 101 is centered on the bolt 104 with the speaker main body 101 as an axis. The relative angle of the speaker body 101 with respect to the leg portion 102 is changed by sliding along the slit portion 107 in the front-rear direction of 101, and the angle of the speaker body 101 is arbitrarily adjusted within a predetermined range. Is possible. However, in the conventional speaker device 100, when the nut 106 is loosened, the nut 106 and the washer 105 are detached from the bolt 104, and the speaker body 101 and the leg portion 102 are easily detached.

  FIG. 2 is a schematic view showing a state in which the conventional speaker device 100 is attached to the ceiling. When the conventional speaker device 100 is attached to the ceiling, the speaker device 100 is installed with the legs 102 facing upward and the speaker body 101 facing downward. When the angle of the speaker main body 101 is adjusted, it is performed by loosening the angle adjusting screw 109 and the nut 106 shown in FIG. 1, so that the nut 106 and the washer 105 may come off from the bolt 104, There is a risk that the speaker main body 101 falls on the floor or the like and the speaker main body 101 is damaged. Therefore, in the conventional speaker device 100, the speaker body 101 is connected to the wire 110 so that the speaker body 101 does not fall off even if the speaker body 101 and the leg portion 102 are detached, and the tip of the wire 110 is connected with the screw 111. It was designed to be fixed to the ceiling. In this case, although the occurrence frequency is rare, when the speaker main body 101 and the leg 102 are detached, an unstable situation in which the speaker main body 101 is hung from the ceiling by the wire 110 may occur.

  Accordingly, an object of the present invention is to provide a speaker device in which the speaker body and the leg portion are not detached even when the fastening between the speaker body and the leg portion is loosened when the angle of the speaker body is adjusted. To do.

  In order to solve the above-described problems, the present invention devised a structure of a fixing portion that fixes the speaker body and the leg portion. Thereby, when adjusting the angle of the speaker body, it is possible to provide a speaker device in which the speaker body and the leg are not detached.

  Specifically, a speaker device according to the present invention includes a speaker main body having a hole, a speaker holding unit that holds the speaker main body, and the speaker holding unit that engages with the hole. A supporting leg, and a fixing part for fixing the speaker body and the leg part, the fixing part being provided at one end, a speaker body mounting part accommodated in the speaker body, A speaker body mounting portion that is movable relative to the speaker body within the speaker body so that a relative angle with respect to the leg portion of the speaker body can be freely changed, and provided at the other end, in the hole portion. A leg mounting portion to be inserted and screwed to the leg mounting portion to restrict the speaker main body mounting portion from moving in the speaker main body, thereby fixing the speaker main body and the leg portion. Tighten And the leg attachment portion restricts the fixing portion from coming out of the hole portion when the screw fastening by the fastening portion is released, thereby separating the speaker main body and the leg portion from each other. To regulate.

In the speaker device according to the present invention, the relative angle with respect to the leg portion of the speaker main body can be changed by moving the speaker main body attaching portion relative to the speaker main body within the speaker main body. The relative angle includes an angle in the horizontal direction and an angle in the vertical direction. For example, when a hole is provided in the speaker body and the shaft portion of the fixed portion is passed through the hole, and the speaker body portion is formed larger than the diameter of the shaft portion, the screw body is released in the horizontal direction by releasing the screw fastening. The angle can be adjusted. Further, when the surface of the speaker body on the leg side is a curved surface, a hole is formed along the curved surface, and the speaker body mounting portion is formed in the same manner as described above, the angle of the speaker body can be adjusted in the vertical direction. And a fastening part controls the movement in the speaker main body of a speaker main body attachment part. That is, when the fastening portion is screwed to the leg attachment portion, movement of the speaker body attachment portion within the speaker body is restricted, and as a result, the speaker body and the leg portion are fixed. Further, in the speaker device according to the present invention, when the screw fastening by the fastening portion is released by the leg attachment portion, the fixing portion is prevented from coming out from the hole portion and the separation between the speaker body and the leg portion is restricted. . That is, when changing the relative angle with respect to the leg portion of the speaker main body, the speaker device according to the present invention is attached to the speaker main body and the leg attachment portion is caught in the hole. Separation from the leg is prevented. Therefore, even when the speaker device according to the present invention is attached to the ceiling, the speaker body and the leg are connected by the fixing part, and the speaker body does not fall from the leg. It is possible to prevent falling and breaking, and to prevent hitting the user. In addition, the state in which the screw is fastened means a state in which the fastening portion is fastened to the leg portion attaching portion. On the other hand, the state in which the screw fastening is released is a state other than that in which the screw is fastened. Including.

  Here, in the speaker device according to the present invention, the fastening portion includes a fastening groove portion provided around a side surface of the fastening portion and having a predetermined width in a fastening direction as an axial direction of the fixing portion, and the fixing portion. The portion may further include a restricting portion that restricts movement of the fastening portion in the fastening direction within the predetermined width when the screw fastening is released by the tip being accommodated in the fastening groove portion. .

  In the speaker device according to the present invention, the movement of the fastening portion when the screw fastening of the fastening portion is released is limited. That is, even when the fastening portion is loosened, the fastening portion cannot be loosened any more because the wall of the fastening groove and the tip of the regulating portion are in contact with each other. As a result, separation between the speaker body and the legs is prevented.

  Further, in the speaker device according to the present invention, the leg portion is connected to the hole portion and is larger than the diameter of the leg attachment portion, and the leg attachment portion can be taken out from the leg portion. It is good also as a structure which further has an extraction hole part.

  Since the extraction hole portion has a diameter larger than the diameter of the leg portion attachment portion, it is possible to remove the leg portion attachment portion from the leg portion by moving the leg attachment portion from the hole portion provided continuously. . Specifically, the restriction by the restricting portion is released, in other words, the tip of the restricting portion is withdrawn from the fastening groove portion, and further, the screw fastening by the fastening portion is released to separate the fastening portion from the leg attaching portion, and the leg portion The leg attachment portion is detached from the extraction hole portion by sliding the attachment portion from the hole portion to the extraction hole portion. Note that the speaker body mounting portion remains attached to the speaker body. As a result, the speaker device according to the present invention can be separated into the speaker main body and the leg portion on which the speaker main body mounting portion is hooked. As described above, the speaker device according to the present invention can easily remove the speaker body and the legs. In addition, what is necessary is just to perform operation | movement contrary to the above, when fixing the speaker main body and leg part which were isolate | separated.

The speaker device according to the present invention includes a speaker main body, a leg portion that supports the speaker main body, a fixing portion that fixes the speaker main body and the leg portion, and the speaker main body and the leg portion formed by the fixing portion. And a connecting portion that connects the speaker main body and the leg portion when the fixing is released.

  The speaker device according to the present invention includes a speaker body, legs, a fixing part, and a coupling part. The speaker body is supported by the leg portion and fixed to the leg portion by the fixing portion. In addition, even if the fixing of the speaker body and the leg portion is released by the fixing portion, the speaker body and the leg portion are not detached because the speaker main body and the leg portion are connected by the connecting portion. Therefore, the speaker device according to the present invention prevents the speaker body from falling on the floor or the like from being damaged and preventing it from hitting the user even when the speaker device is attached to the ceiling. It is possible.

  ADVANTAGE OF THE INVENTION According to this invention, even if it is a case where the fastening of a speaker main body and a leg part loosens when adjusting the angle of a speaker main body, it is possible to provide the speaker apparatus from which a speaker main body and a leg part do not remove | deviate. is there.

It is the schematic seen from the lower part which shows the conventional speaker apparatus. It is the schematic where the conventional speaker apparatus was attached to the ceiling. 1 is a schematic cross-sectional view of a speaker device according to Embodiment 1 of the present invention. It is an enlarged view which shows a part of speaker main-body groove part and fixing | fixed part of the speaker apparatus which concerns on Example 1 of this invention. It is a cross-sectional schematic diagram of the periphery of the fixed portion of the speaker device according to Embodiment 1 of the present invention. It is the schematic which shows the upper part part of the leg part of the speaker apparatus which concerns on Example 1 of this invention. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is the schematic which shows angle adjustment of the speaker main body of the speaker apparatus which concerns on Example 1 of this invention. It is the schematic which shows the state by which the speaker main body and leg part of the speaker apparatus which concern on Example 1 of this invention were isolate | separated. It is the schematic which shows the order which removes each component for isolate | separating a speaker main body and a leg part. It is the schematic which shows the order which attaches each component for connecting the speaker main body and leg which were isolate | separated. It is the cross-sectional schematic of the speaker apparatus which concerns on Example 2 of this invention. It is an enlarged view of the fastening part periphery of the speaker apparatus which concerns on Example 2 of this invention. It is the schematic which shows the leg part upper direction of the speaker apparatus which concerns on Example 2 of this invention. It is the cross-sectional schematic of the speaker apparatus which concerns on Example 2 of this invention.

  Here, a speaker device according to an embodiment of the present invention will be described with reference to the drawings. The following examples are illustrative and the present invention is not limited thereto.

  The speaker device 1 according to the first embodiment of the present invention includes a speaker main body 2, a leg portion 3, and a fixing portion 4. Each configuration will be specifically described with reference to the drawings. Note that the speaker device 1 according to the first embodiment of the present invention is assumed to be installed in a state where the speaker body 2 is located above and the leg portion 3 is located below unless otherwise described.

FIG. 3 is a schematic cross-sectional view of the speaker device 1 according to the first embodiment of the present invention. FIG. 3 shows a structure in which the speaker device 1 is viewed such that the left side is the front of the speaker device 1 and the right side is the rear of the speaker device 1. FIG. 4 is an enlarged view showing a part of the speaker main body groove portion 23 provided in the speaker main body 2 and the fixing portion 4. FIG. 5 is a schematic cross-sectional view of the periphery of the fixing unit 4 with the left side positioned in front of the speaker device 1 and the right side positioned behind the speaker device 1. As shown in FIG. 3, the speaker body 2 has a built-in speaker 21 and has a substantially spherical appearance. The speaker 21 converts an electrical signal into sound, and the structure inside the speaker 21 is omitted. The speaker body 2 is fixed to the leg portion 3 by the fixing portion 4, supported by the leg portion 3, and held by the leg portion 3. Further, a hollow portion 22 is provided below the inside of the speaker body 2 as shown in FIG. The hollow portion 22 is a space that accommodates the speaker body mounting portion 41 of the fixed portion 4 and is slidable in the front-rear direction of the speaker body 2 with the speaker body mounting portion 41 as an axis. As shown in FIG. 3, the bottom surface of the hollow portion 22 forms a curved surface centered on the symbol A and along an arc having a radius indicated by the symbol R. Further, as shown in FIG. 4, a speaker body groove portion 23, which is a groove extending along the front-rear direction of the speaker body 2, is provided on the bottom surface of the hollow portion 22. The width P of the speaker body groove portion 23 with respect to the left and right direction of the speaker body 2 is smaller than the diameter Q of the speaker body attachment portion 41, and the speaker body attachment portion 41 is caught by the speaker body groove portion 23.

  FIG. 6 is a schematic view showing an upper part of the leg 3. FIG. 7 is a cross-sectional view taken along the line AA in FIG. FIG. 8 is a cross-sectional view taken along the line B-B in FIG. 6, and is a schematic cross-sectional view of the leg portion 3 as viewed from the front. As shown in FIG. 3, the leg portion 3 is fixed to the speaker main body 2 by the fixing portion 4, supports the speaker main body 2, and holds the speaker main body 2. The leg portion 3 has a base portion 31 and a neck portion 32. The base portion 31 has a disk shape, and can be stably held by mounting the speaker body 2 on a flat surface such as a floor. In addition, the speaker device 1 according to the first embodiment of the present invention can be used in a state where the leg portion 3 is located above and the speaker body 2 is located below by attaching the base portion 31 to the ceiling. The neck portion 32 is installed so as to extend upward from the upper surface end portion of the base portion 31 toward the center direction of the base portion 31, and is fixed to the speaker main body 2 by the fixing portion 4 to support the speaker main body 2. Further, the neck portion 32 is provided with a conical protrusion 33 around the periphery fixed by the fixing portion 4. The speaker body 2 is supported by the protrusions 33 coming into contact with the curved surface below the speaker body 2. Further, as shown in FIGS. 5 to 8, the neck portion 32 is provided with a hole portion 34 and an extraction hole portion 35 penetrating in the vertical direction. As shown in FIG. 6, the hole portion 34 is provided on the upper side of the neck portion 32, and the extraction hole portion 35 is provided on the lower side of the neck portion 32. Further, as shown in FIGS. 5 and 6, the hole 34 is connected to the take-out hole 35, and has a predetermined length on the front and rear of the leg 3. Further, as shown in FIG. 7, the hole 34 has holes having different diameters in the left and right directions of the leg 3 at the upper and lower sides, and the upper hole 341 is smaller than the diameter of the leg mounting portion 42. The lower hole portion 342 is larger than the diameter of the leg attachment portion 42 and the diameter of the fastening portion 43. Therefore, the leg attachment part 42 can slide in the front-rear direction of the leg part 3 while maintaining the state of being caught in the hole 34. On the other hand, as shown in FIG. 8, the take-out hole portion 35 has holes of the same diameter in the left and right directions of the leg portion 3 above and below, is larger than the diameter of the leg portion attachment portion 42, and is a fastening portion. It is smaller than the diameter of 43. The extraction hole portion 35 is connected to the hole portion 34, and the leg portion attachment portion 42 that is caught in the hole portion 34 is slid and moved to the extraction hole portion 35, and the leg portion attachment portion 42 is pulled upward, whereby the leg portion attachment portion. 42 can be taken out from the take-out hole 35. The lower hole 342 has a size that allows the fastening portion 43 to be inserted from below.

Further, as shown in FIGS. 5 and 6, the neck portion 32 has a restriction portion insertion hole 36 into which the restriction portion 37 is inserted toward the extraction hole portion 35. As shown in FIG. 5, the restricting portion 37 is a screw having a head portion 371 and a shaft portion 372. The restricting portion insertion hole 36 is larger than the diameter of the shaft portion 372 and smaller than the diameter of the head portion 371. Therefore, the shaft portion 372 is inserted into the restricting portion insertion hole 36, the head portion 371 is caught in the opening of the restricting portion insertion hole 36, and the restricting portion 37 is not inserted into the restricting portion insertion hole 36 any more. ing. The shaft portion 372 has a length that penetrates the restricting portion insertion hole 36 and protrudes to the extraction hole portion 35. Furthermore, a groove 38 (see FIG. 6) is formed behind the neck portion 32 from the opening of the restriction portion insertion hole 36 so that the user can easily insert the restriction portion 37 into the restriction portion insertion hole 36.

  The fixing part 4 fixes the speaker body 2 and the leg part 3. As shown in FIG. 5, the fixing portion 4 includes a speaker main body attachment portion 41, a leg portion attachment portion 42, a fastening portion 43, a fastening groove portion 44, and a regulating portion 37. The speaker body attachment portion 41 is connected to the leg attachment portion 42 via the shaft portion 46 and is larger than the diameter of the shaft portion 46. The speaker main body attachment portion 41 is attached to the speaker main body 2 by being caught by the speaker main body groove portion 23 provided in the speaker main body 2. In addition, the speaker body attachment portion 41 can slide in the front-rear direction of the speaker body 2 along the speaker body groove portion 23. In addition, the surface where the speaker body mounting portion 41 is in contact with the bottom surface of the hollow portion 22 has a curved surface portion 47 formed by a curved surface having the same diameter as the curved surface of the bottom surface of the hollow portion 22. As a result, the speaker body mounting portion 41 is easily slid along the speaker body groove 23. Further, as shown in FIG. 4, the speaker body mounting portion 41 has a straight portion 48 and a curved portion 49 and has a shape in which a part of a circle is cut. The diameter connecting the opposing linear portions 48 of the speaker body mounting portion 41 is slightly smaller than the width of the hollow portion 22 in the short direction and larger than the width of the speaker body groove portion 23 in the short direction. On the other hand, the diameter connecting the curved portions 49 facing each other of the speaker body mounting portion 41 is larger than the width of the hollow portion 22 in the short direction. As a result, as shown in FIG. 4, the speaker body mounting portion 41 is installed so that the linear portion 48 faces the side surface of the hollow portion 22 in the sliding direction, and the speaker body mounting portion 41 is caught in the speaker body groove 23. Since the speaker main body attachment portion 41 hits the side surface of the hollow portion 22, the rotation of the speaker main body attachment portion 41 can be prevented.

  As shown in FIGS. 3 and 5, the leg attachment part 42 is hooked on the hole 34 of the leg part 3 and attached to the leg part 3. The leg attachment portion 42 is connected to the speaker main body attachment portion 41 via the shaft portion 46 and is larger than the diameter of the shaft portion 46. In addition, the leg attachment part 42 can slide along the hole 34. Further, the leg attachment portion 42 can be detached from the extraction hole portion 35 by slidingly moving from the hole portion 34 to the extraction hole portion 35 and being pulled in the direction of the speaker body 2 that is the upward direction. Further, the leg attachment portion 42 is inserted into the extraction hole portion 35 and is slid to the hole portion 34 to be hooked on the hole portion 34. Further, the leg mounting portion 42 has a spiral groove (not shown) on the outer surface and serves as a male screw.

The fastening portion 43 has a spiral groove (not shown) on its inner surface so as to fit into a groove formed on the outer surface of the leg mounting portion 42, and serves as a female screw. As shown in FIGS. 3, 5, and 7, the fastening portion 43 is inserted from the lower hole portion 342 and is screwed to the leg attachment portion 42 that protrudes below the hole portion 34. The speaker body 2 and the leg 3 are fixed.
When the fastening part 43 releases the screw fastening with respect to the leg part attaching part 42, the fastening between the speaker body 2 and the leg part 3 is released, and the fixation is released. The fastening portion 43 is provided with a fastening groove portion 44 around the side surface of the fastening portion 43. When the front end of the restriction portion 37 inserted from the restriction portion insertion hole 36 is accommodated in the fastening groove portion 44, the movement of the fastening portion 43 in the fastening direction is brought within the width of the fastening groove 44 when the screw fastening is released. Can be regulated. As a result, the fastening portion 43 can be prevented from loosening more than necessary. Note that the fastening groove portion 44 may not be provided, and the restriction portion 37 may be brought into contact with the side surface of the fastening portion 43 to restrict looseness.

In the speaker device 1 according to the first embodiment of the present invention, the fastening portion 43 is held by the leg portion 3 even when the fastening portion 43 releases the screw fastening to the leg attachment portion 42. In the speaker device 1 according to the first embodiment of the present invention, when the fastening portion 43 is screwed to the leg mounting portion 42 again from the state where the fastening portion 43 has released the screw fastening to the leg mounting portion 42. Since the fastening part 43 is held by the leg part 3, it is easy to handle. Further, in the speaker device 1 according to the first embodiment of the present invention, even when the fastening portion 43 releases the screw fastening with respect to the leg portion mounting portion 42 in a state where the speaker device 1 is attached to the ceiling, the fastening portion 43 is the leg portion. 3, the fastening portion 43 does not fall and is easy to handle. In addition, when taking out the fastening part 43 from the leg part 3, it can be taken out from the lower hole part 342 by taking out the restricting part 37 from the restricting part insertion hole 36.

  Next, a method for adjusting the angle of the speaker device 1 according to the first embodiment of the present invention will be described. FIG. 9 is a schematic view showing the angle adjustment of the speaker body 2. In the speaker device 1 according to the first embodiment of the present invention, as shown in FIG. 3, the speaker body 2 and the leg portion 3 are fixed by the fixing portion 4, and the relative angle of the speaker body 2 to the leg portion 3 is fixed. Has been. When adjusting the angle of the speaker body 2, first, the fastening portion 43 is rotated with respect to the leg mounting portion 42 by rotating the fastening portion 43 in a direction opposite to the direction in which the screws are fastened to the leg mounting portion 42. The fastening is released, and the fixation of the speaker body 2 and the leg portion 3 is released. At that time, the fastening portion 43 is held by the leg portion 3 when the restriction portion 37 inserted from the restriction portion insertion hole 36 is fitted into the fastening groove portion 44. Next, the speaker main body 2 slides along the speaker main body groove 23 in the front-rear direction of the speaker main body 2 around the speaker main body mounting portion 41, whereby the relative angle with respect to the leg portion 3 changes. FIG. 9 is a schematic view showing a state in which the speaker main body 2 is slid in the rear direction of the speaker main body 2 along the speaker main body groove 23 with the speaker main body mounting portion 41 as an axis. As shown in FIG. 9, the speaker body 2 is slid downward in the rear direction of the speaker body 2, that is, the speaker body mounting portion 41 is slid in the front direction of the speaker body groove 23. Turn to the direction. On the other hand, the speaker body 2 slides along the speaker body groove portion 23 in the forward direction of the speaker body 2 around the speaker body attachment portion 41, that is, the speaker body attachment portion 41 moves in the backward direction of the speaker body groove portion 23. As a result, the speaker body 2 faces upward (not shown). After the speaker main body 2 is adjusted to a predetermined angle, the fastening portion 43 held by the leg portion 3 by the restricting portion 37 is screwed to the leg attachment portion 42, whereby the speaker main body 2 with respect to the leg portion 3 is fixed. The relative angle is fixed.

  During the angle adjustment of the speaker device 1 according to the first embodiment of the present invention, the speaker body mounting portion 41 is caught by the speaker body groove portion 23 provided in the speaker body 2, and the leg mounting portion 42 is attached to the leg portion 3. The state of being caught in the hole 34 provided is maintained. Therefore, the speaker device 1 according to the first embodiment of the present invention has the speaker body 2 and the leg portion even when the speaker body 2 and the leg portion 3 are loosened when the angle of the speaker body 2 is adjusted. Therefore, the speaker main body 2 can be prevented from dropping. Furthermore, even if the speaker device 1 according to the first embodiment of the present invention is attached to the ceiling, the speaker body 2 does not fall from the leg portion 3, and therefore the speaker body 2 falls to the floor or the like and is damaged. It is possible to prevent hitting the user.

Next, how to remove the speaker body 2 and the leg 3 will be described. FIG. 10 is a schematic view showing a state in which the speaker body 2 and the leg 3 are separated. FIG. 11 is a schematic view showing the order of removing the components in order to separate the speaker main body 2 and the leg 3. As described above, the speaker device 1 according to the first embodiment of the present invention is in a state where the speaker body 2 and the leg portion 3 are connected by the fixing portion 4 when the angle of the speaker body 2 is adjusted. However, there is a case where it is desired to separate the speaker body 2 and the leg portion 3 by repairing the speaker body 2 or the like. In this case, first, as shown in FIG. 11, first, the restriction portion 37 fitted in the fastening groove portion 44 of the fastening portion 43 is taken out from the restriction portion insertion hole 36, and the fastening portion 43 is held by the leg portion 3. Is released. Secondly, the fastening part 43 is detached from the leg part attaching part 42 by rotating in the direction opposite to the direction fastened to the leg part attaching part 42, and the outside of the leg part 3 from the lower hole part 342. Take out. Thirdly, the leg portion attaching portion 42 slides from the hole portion 34 to the take-out hole portion 35, and is detached from the leg portion 3 by being pulled toward the speaker body. As described above, the speaker device 1 according to the first embodiment of the present invention can be easily separated into the speaker body 2 and the leg portion 3 on which the speaker body mounting portion 41 is caught.

  Next, how to attach the separated speaker body 2 and leg 3 will be described. FIG. 12 is a schematic diagram showing the order in which the components are attached to connect the separated speaker device 1 and the leg 3. As shown in FIG. 12, the speaker device 1 according to the first embodiment of the present invention firstly inserts the leg attachment portion 42 from the extraction hole portion 35 and slides to the hole portion 34. Second, the fastening portion 43 is inserted from the lower hole portion 342 and the fastening portion 43 is screwed to the leg portion attachment portion 42. Third, the restricting portion 37 is inserted from the restricting portion insertion hole 36 and is fitted into the fastening groove portion 44 of the fastening portion 43. As a result, the fastening portion 43 is held by the leg portion 3. In addition, before the leg part attaching part 42 slides to the hole part 34, when the leg part attaching part 42 is inserted from the extraction hole part 35, the screw fastening is released (the fastening part 43 is connected to the leg part attaching part 42). It may be loosely screwed), and then slid to the hole 34 and then screwed (the fastening portion 43 is strongly screwed to the leg mounting portion 42). As described above, the speaker device 1 according to the first embodiment of the present invention can easily attach the speaker body 2 and the leg 3.

  A speaker device 10 according to a second embodiment of the present invention will be described. The speaker device 10 according to the second embodiment of the present invention includes a speaker body 20, a leg portion 30, a fixing portion 40, and a coupling portion 500. Each configuration will be specifically described with reference to the drawings. Note that the speaker device 10 according to the second embodiment of the present invention is assumed to be installed in a state where the speaker body 20 is located above and the leg portion 30 is located below unless otherwise described. Further, the description of the same configuration as that of the first embodiment will be omitted, and the description will focus on the different points.

  FIG. 13 is a schematic cross-sectional view of the speaker device 10 according to the second embodiment of the present invention. FIG. 14 is an enlarged view around the coupling portion 500 of the speaker device 10 according to the second embodiment of the present invention. 13 and 14 show the structure of the speaker device 10 as viewed from the left side in front of the speaker device 10 and from the right side to the rear of the speaker device 10. FIG. 15 is a schematic diagram illustrating the upper portion of the leg 30 of the speaker device 10 according to the second embodiment of the present invention. As shown in FIG. 13, the speaker body 20 has the same configuration as that of the speaker device 10 in the speaker device 10 according to the first embodiment, and thus description thereof is omitted. The leg 30 supports the speaker body 20 and holds the speaker body 20. The leg part 30 has a base part 310 and a neck part 320. As shown in FIGS. 13 and 14, the leg portion 30 is provided with a hole portion 340 penetrating in the vertical direction on the speaker body 20 side of the neck portion 320. The hole portion 340 has holes having different diameters in the upper and lower portions, and the upper hole portion 341 has a size capable of inserting the leg mounting portion 420 of the fixing portion 40 and is smaller than the fastening portion 430. . The lower hole 342 has a size that allows the fastening portion 430 to be inserted. Further, the leg portion 30 has a coupling portion mounting groove portion 390 for mounting the coupling portion 500 and a coupling portion mounting hole portion 391 penetrating in the left-right direction so as to pass through the coupling portion mounting groove portion 390 above the neck portion 320.

The fixing part 40 fixes the speaker body 20 and the leg part 30. As shown in FIGS. 13 and 14, the fixing portion 40 includes a speaker body attachment portion 410, a leg attachment portion 420, and a fastening portion 430. The speaker body mounting portion 410 has a diameter larger than that of the leg mounting portion 420. The speaker main body attachment portion 410 is attached to the speaker main body 20 by being caught in the speaker main body groove 230 provided in the speaker main body 20. Further, the speaker main body mounting portion 410 can slide in the front-rear direction of the speaker main body 20 along the speaker main body groove portion 230. Note that a coupling portion 500 is provided between the speaker body mounting portion 410 and the bottom surface of the hollow portion 220. The leg mounting part 420 is connected to the speaker body mounting part 410, is inserted into the hole 340 included in the leg 30, and jumps out from below the hole 340. Further, the leg mounting portion 420 has a spiral groove (not shown) on the outer surface and serves as a male screw. The fastening portion 430 has a spiral groove (not shown) formed on the inner surface so as to fit into a groove formed on the outer surface of the leg mounting portion 420, and functions as a female screw. The fastening part 430 is inserted from below the hole part 340 and is screwed to the leg part attaching part 420 protruding below the hole part 340, thereby fixing the speaker body 20 and the leg part 30. When the fastening portion 430 releases the screw fastening to the leg attachment portion 420, the fastening between the speaker body 20 and the leg portion 30 is released, and the fixation is released.

  The coupling unit 500 connects the speaker body 20 and the leg unit 30. The coupling portion 500 includes a speaker body side coupling portion 501, a leg portion side coupling portion 502, a shaft portion 503 that connects the speaker body side coupling portion 501 and the leg portion side coupling portion 502, and a fixing screw that fixes the leg portion 30. 504. The speaker main body side coupling portion 501 is attached between the speaker main body attachment portion 410 that is caught by the speaker main body groove portion 230 and the bottom surface of the hollow portion 220 of the speaker main body 20, and is provided so as to surround the lower portion of the speaker main body attachment portion 410. . As a result, the speaker body side coupling portion 501 is caught in the speaker body groove 230 and cannot be removed from the speaker body 20. In addition, the surface where the speaker main body side coupling portion 501 contacts the bottom surface of the hollow portion 220 has a curved surface portion 505 formed by a curved surface having the same diameter as the curved surface of the bottom surface of the hollow portion 220. As a result, the speaker body mounting portion 410 is easily slid along the speaker body groove portion 230. The leg side coupling portion 502 is fitted into the coupling portion mounting groove 390 (see FIG. 15) of the leg portion 30. Further, a fixing screw insertion hole 506 is provided at the center of the leg side coupling portion 502. The fixing part 504 is fixed to the leg part 30 by the fixing screw 504 passing through the connecting part attachment hole part 391 and the fixing screw insertion hole 506. Further, the speaker main body side coupling portion 501 can freely move in the axial rotation direction with the leg side coupling portion 502 fixed by a fixing screw 504 as an axis. Further, by removing the fixing screw 504, the fixing of the leg side coupling portion 502 and the leg portion 30 is easily released. In the speaker device 10 according to the second embodiment of the present invention, the speaker body side coupling portion 501 is provided outside the hollow portion 220, and the speaker body side coupling portion 501 is provided so as not to be detached from the speaker body 20. Good.

  Next, a method for adjusting the angle of the speaker device 10 according to the second embodiment of the present invention will be described. As shown in FIG. 13, the speaker device 10 according to the second embodiment of the present invention fixes the speaker main body 20 and the leg 30 by the fixing portion 40, and the relative angle of the speaker main body 20 with respect to the leg 30 is fixed. Has been. When adjusting the angle of the speaker body 20, first, the fastening portion 430 is rotated with respect to the leg portion mounting portion 420 by rotating the fastening portion 430 in a direction opposite to the direction in which the screws are fastened to the leg portion mounting portion 420. The fastening is released, and the fixation between the speaker body 20 and the leg 30 is released. Next, the speaker main body 20 slides along the speaker main body groove portion 230 in the front-rear direction of the speaker main body 20 around the speaker main body attachment portion 410 and the speaker main body side coupling portion 501, thereby making the relative to the leg portion 30. The angle changes. After the speaker main body 20 is adjusted to a predetermined angle, the fastening portion 430 is screw-fastened to the leg mounting portion 420, whereby the relative angle of the speaker main body 20 with respect to the leg portion 30 is fixed.

  During the angle adjustment of the speaker device 10 according to the second embodiment of the present invention, the speaker body side coupling portion 501 is caught by the speaker body groove portion 230 and the speaker body side coupling portion 501 is attached to the leg portion 30. Therefore, the speaker main body 20 and the leg portion 30 are coupled by the coupling portion 500. Therefore, in the speaker device 10 according to the second embodiment of the present invention, even when the fastening between the speaker body 20 and the leg 30 is loosened or released when the angle of the speaker body is adjusted, the speaker body 20 and the leg 30 do not come off, and the speaker main body 20 can be prevented from falling. Furthermore, even when the speaker device 10 according to the second embodiment of the present invention is attached to the ceiling, the speaker body 20 does not fall from the leg portion 30, and therefore the speaker body 20 falls to the floor or the like and is damaged. It is possible to prevent hitting the user.

Next, how to remove the speaker body 20 and the leg 30 will be described. FIG. 16 is a schematic diagram illustrating a state in which the fastening portion 430 has released the fastening to the leg mounting portion 420. As described above, the speaker device 10 according to the second embodiment of the present invention is in a state where the speaker body 20 and the leg 30 are connected by the coupling portion 500 when the angle of the speaker body 20 is adjusted. However, there is a case where it is desired to separate the speaker main body 20 and the leg 30 by repairing the speaker main body 20 or the like. In this case, as shown in FIGS. 14 to 16, first, the fixing screw 504 is first removed from the coupling portion attachment hole 391 and the fixing screw insertion hole 506. Second, by rotating the fastening portion 430 in a direction opposite to the direction of fastening to the leg mounting portion 420, the fastening between the fastening portion 430 and the leg mounting portion 420 is released, and the lower hole portion Remove from 342 to outside of leg 30. The first and second procedures may be reversed. Thirdly, the speaker body 20 is lifted upward, the leg attachment part 420 is taken out from the hole 340 of the leg part 30, and the fixing part 40 is detached from the leg part 30. As a result, the speaker device 10 according to the second embodiment of the present invention can be easily separated into the speaker body 20 and the leg portion 30 where the fixing portion 40 and the coupling portion 500 are hooked.

  Next, how to attach the separated speaker body 20 and leg 30 will be described. In the speaker device 10 according to the second embodiment of the present invention, first, the leg mounting portion 420 is inserted into the hole 340 of the leg 30. Second, the leg side coupling portion 502 of the coupling portion 500 is inserted into the coupling portion mounting groove 390 of the leg portion 30, and the fixing screw 504 is inserted into the coupling portion mounting hole 391 and the fixing screw insertion hole 506. Third, the fastening portion 430 is screw-fastened in a direction to fasten to the leg attachment portion 420, and the speaker body 20 and the leg portion 30 are fixed. At this time, the speaker main body side coupling portion 501 is provided so as to surround the lower portion of the speaker main body attachment portion 410 and is hollow in the axial rotation direction with the leg side coupling portion 502 fixed by a fixing screw 504 as an axis. The inside of the part 220 is freely movable. As a result, the speaker body mounting portion 410 does not move in the hollow portion 220, and the coupling portion 500 is easily screwed to the leg portion mounting portion 420. As described above, the speaker main body 20 and the leg 30 are easily attached to the speaker device 10 according to the second embodiment of the present invention.

DESCRIPTION OF SYMBOLS 1, 10 ... Speaker apparatus 2, 20 ... Speaker main body 21 ... Speaker 22 ... Hollow part 23, 230 ... Speaker main body groove part 3, 30 ... Leg part 31, 310 ... Base part 32, 320 ... Neck part 33 ... Projection 34, 340 ... Hole part 35 ... Extraction hole part 36 ... Restriction part insertion hole 37 ... Restriction part 38 ... Groove 4, 400 ... Fixing part 41,410 ... Speaker body attaching part 42,420 ... Leg attaching part 43,430 ... Fastening part 44 ... Fastening groove part 500 ... Coupling part

Claims (4)

A speaker body having a hole;
A speaker holding unit for holding the speaker body;
A leg portion that is provided in the speaker holding portion and supports the speaker body;
A fixing portion for fixing the speaker body and the leg portion;
The fixing part is
A speaker body mounting portion that is provided at one end and is accommodated in the speaker body, wherein the speaker body moves relative to the speaker body within the speaker body so that the speaker body moves relative to the legs. A speaker body mounting portion that allows the angle to be freely changed;
A leg mounting portion provided at the other end and inserted into the hole;
A fastening portion that regulates movement of the speaker body mounting portion within the speaker body by being screwed to the leg portion mounting portion, and fixes the speaker body and the leg portion;
The leg part attaching part restricts separation of the speaker main body and the leg part by restricting the fixing part from coming out of the hole when screw fastening by the fastening part is released. The fastening portion is provided around the side surface of the fastening portion, and has a fastening groove portion having a predetermined width in a fastening direction as an axial direction of the fixing portion,
The fixing portion further includes a restricting portion that restricts movement of the fastening portion in the fastening direction within the predetermined width when the screw fastening is released by the tip being housed in the fastening groove portion. 2. The speaker device according to 1. The leg portion further includes an extraction hole portion that is connected to the hole portion and is larger than a diameter of the leg portion attachment portion, and is capable of taking out the leg attachment portion from the leg portion. 2. The speaker device according to 2. A speaker body;
Legs supporting the speaker body;
A fixing portion for fixing the speaker body and the leg portion;
A coupling portion that connects the speaker main body and the leg when the fixing of the speaker main body and the leg by the fixing portion is released;
Speaker device.

Images