JP2005229785A - Charger for wireless microphone - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a charger for wireless microphone in which a plurality of chargers can be coupled and integrated easily. <P>SOLUTION: A recessed dovetail groove 16 is formed in the side face of a casing, a protruding dovetail groove 18 is formed in the opposite side face thereof, and a coupling cord 32 having an outlet 30 at the forward end and an inlet 34 are provided in the casing. A plurality of casings are coupled through the engagement of the recessed and protruding dovetail groove 16 and 18 and then the outlet 30 is connected electrically with an inlet 34 provided in other casing coupled contiguously thus connecting a plurality of chargers electrically. Furthermore, a lock member 20 is projected from one side face provided with the dovetail groove 16 and 18 retractably in the direction intersecting the engaging direction of the dovetail groove 16 and 18 perpendicularly, and a hole 24 engaging with its protruding part 20b through the protrusion of the lock member is provided in the opposite side face to face the lock member 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a charger for a wireless microphone that can be connected and integrated.

  In a karaoke box or the like, a singer with a microphone often enjoys gesturing with gestures at the same time. Therefore, wireless microphones that can freely enjoy movement are widely used. This wireless microphone has a built-in storage battery that needs to be charged from time to time.

As an example of this wireless microphone charger, as shown in Japanese Patent Application Laid-Open No. 08-163784, a microphone insertion recess such as a bottomed hole into which the lower end portion of the wireless microphone can be inserted into the upper surface of the charger casing. When the wireless microphone is inserted, the contact terminal provided at the lower end of the wireless microphone and the spring connector provided at the bottom of the bottomed hole are in contact with each other for electrical connection, and the storage battery built in the wireless microphone is It is configured to be charged.
Japanese Patent Laid-Open No. 08-163784

  The above-mentioned conventional wireless microphone charger is for charging one or two wireless microphones, and in order to charge a large number of wireless microphones simultaneously, a number of chargers are arranged side by side. It must be done. However, when many chargers are placed, they are not integrated, so that the arrangement is apt to be disturbed and difficult to handle.

  The present invention has been made in order to improve the problems of such a conventional wireless microphone charger, and an object of the present invention is to provide a wireless microphone charger that can be connected together and easily integrated. .

  In order to achieve such an object, the wireless microphone charger of the present invention can form a concave groove on the side surface of the housing and can engage with the concave groove on the side surface opposite to the side surface. A convex dovetail groove is formed, a connecting cord and an inlet having an outlet at the tip are provided in the casing, and the casing is engaged by the concave and convex dovetail grooves so that a plurality of the connecting cords can be connected. In addition, the charger is configured to be able to be electrically connected to a plurality of chargers that are connected by being electrically connected to the inlet provided in another case connected to the outlet.

  Then, a locking member that can project and retract in a direction perpendicular to the engagement direction of the concave and convex dovetail grooves is provided on one side surface where the dovetail groove is formed, and faces the lock member on the opposite side. An engaging hole into which the protruding portion can be inserted and engaged by the protrusion of the lock member may be provided on the side surface.

  Furthermore, a recess is provided on the bottom surface of the housing, and a connection cord having the outlet at the tip and the inlet are provided in the recess, and a communication groove extending from the recess to the side surface is provided, and the connection cord defines the communication groove. Then, the outlet of the tip can be electrically connected to the inlet provided in another charger connected adjacently.

  The charger for a wireless microphone according to claim 1, wherein a plurality of chargers are simply mechanically connected and integrated by engaging the concave and convex grooves on the side surface of the housing. Can be Moreover, a plurality of chargers can be easily connected electrically by electrically connecting the outlet at the tip of the connecting cord to the inlet of another charger connected adjacently.

  In the wireless microphone charger according to claim 2, a lock member that can project and retract in a direction perpendicular to the engagement direction of the concave and convex dovetail grooves, and the protrusion of the lock member Since the protrusion is provided with the engagement hole into which the protrusion is inserted, when the locking member is set in the protrusion state in the engagement state with the concave and convex grooves, the protrusion is inserted into the engagement hole. The dovetail groove cannot be moved relative to the direction in which it can be removed, and the connection is not released.

  Furthermore, in the charger for the wireless microphone according to claim 3, a connection cord and an inlet having an outlet at the tip are provided in the recess on the bottom surface of the housing, and a communication groove extending from the recess to the side surface of the housing is provided. Therefore, a plurality of chargers connected by concave and convex dovetail grooves can be electrically connected on the bottom side through the connecting cord through the communication groove. And if it is not necessary to connect a connection cord to other chargers, it can be accommodated in a recess on the bottom surface and is excellent in external aesthetics.

  Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a single plan view of an embodiment of a wireless microphone charger according to the present invention. FIG. 2 is a front view. FIG. 3 is a rear view. FIG. 4 is a bottom view. FIG. 5 is a right side view in which the insertion state of the wireless microphone is added by a one-dot chain line. 6A and 6B show a lock member, where FIG. 6A is a plan view, FIG. 6B is a front view, FIG. 6C is a bottom view, FIG. 6D is a side view, and FIG. It is sectional drawing. FIG. 7 is a longitudinal sectional view of a main part in a state where a lock member is assembled to the casing of the charger. FIG. 8 is a view taken along arrow B of the member on the bottom surface of FIG. FIG. 9 is an essential part C view of the bottom member of FIG. FIG. 10 is a plan view of the lock member assembled and set in the retracted state. FIG. 11 is a plan view of the locking member set in the protruding state. FIG. 12 is a bottom view of a state in which three wireless microphone chargers of the present invention are connected. FIG. 13 is a side view of a state in which three units are connected. FIG. 14 is an electric circuit diagram in a state where three units are connected.

  The wireless microphone charger 10 of the present invention is formed of a substantially rectangular parallelepiped housing, and provided with microphone insertion recesses 12 and 12 each having two bottomed holes into which the wireless microphone can be inserted, on the upper surface of the housing. In addition, a display unit 14 is provided to indicate whether power is applied to the charger 10 but the wireless microphone is not inserted, charging is performed after the wireless microphone is inserted, and charging is completed. I can. A vertical concave groove 16 is formed on one side surface of the housing, and a vertical convex groove 18 is formed on the side surface opposite to the side surface. The concave dovetail groove 16 and the convex dovetail groove 18 have a structure that can be engaged by being relatively moved in the vertical direction. Further, the bottom surface of the concave dovetail groove 16 is provided with a projecting port 22 into which a protruding portion 20b of the lock member 20 described later projects and retracts, and the lock member 20 is located at a position facing the projecting port 22 of the convex dovetail groove 18. An engagement hole 24 through which the protruding portion 20b can be inserted and engaged is provided.

  Further, the member 26 on the bottom surface of the housing is provided with a recess 28, and a connecting cord 32 provided with an outlet 30 at the tip is provided so as to protrude from the side wall of the recess 28. And the inlet 34 which the outlet 30 can electrically connect is provided in the other position of the side wall of the recessed part 28, Furthermore, the fixing hole 36 which can be inserted and fixed without the outlet 30 being electrically connected is provided. Further, communication grooves 38, 38 extending from the recess 28 to the side surface of the housing are provided.

  The lock member 20 is assembled to the bottom surface of the recess 28 of the bottom member 26. As shown in FIG. 6, in the lock member 20, a portion 20a having a substantially E-shaped cross section and a protruding portion 20b on the distal end side are integrally formed of resin. The upper plate 20c of the section 20a having a substantially E-shaped cross section is provided with slits 20d, 20d slightly along the side edges in the lengthwise direction and three protrusions 20e, 20e,. It is done. Both side edges of the upper plate 20c can be elastically deformed by the slits 20d and 20d. Further, the protruding portion 20b is provided with an overhang portion 20f that is slightly shifted from the tip.

  In addition, a sliding groove 40 to which the lock member 20 is assembled is formed in the member 26 on the bottom surface of the housing in a direction orthogonal to the side surface of the housing, as shown in FIGS. Moreover, a pair of locking projections 42 and 42 are provided near the sliding groove 40. Therefore, the center plate of the portion 20a having a substantially E-shaped cross section of the lock member 20 is inserted into the sliding groove 40, and the upper and lower surfaces of the upper plate 20c and the lower plate of the portion 20a having a substantially E-shaped cross section are the upper and lower surfaces of the bottom member 26. It is assembled so as to be located on the side, and the state of FIG. 7 is obtained. Here, the pair of locking projections 42 and 42 are set so as to be in substantially contact with both side edges of the upper plate 20c. Then, when a force is applied to move the lock member 20 so that the lock member 20 protrudes from the state in which the lock member 20 of FIG. 10 is retracted, a pair of protrusions 20e, 20e,. Thus, the locking member 20 can be protruded as shown in FIG. In the state in which the lock member 20 of FIG. 10 is retracted, as shown in FIG. 7, the protruding portion 20 b faces the protruding port 22 on the side surface and is not protruding from the bottom surface of the concave groove 16. And in the state which the locking member 20 of FIG. 11 protruded, it will be in the state which the protrusion part 20b protruded from the bottom face of the concave groove | channel 16. In addition, the overhang | projection part 20f provided in the protrusion part 20b contact | abuts to the inner side surface of a housing | casing, and acts so that protrusion of the lock member 20 may be controlled.

  Next, the connection of the wireless microphone charger 10 having such a structure will be described. First, the concave dovetail groove 16 and the convex dovetail groove 18 of the two chargers 10 and 10 are opposed to each other and engaged by relative movement in the vertical direction to mechanically connect the two chargers 10 and 10. And unite. Further, a necessary number of chargers 10, 10... Are sequentially connected and integrated. 12 to 13, three chargers are connected. Furthermore, the locking members 20 and 20 on the connecting surface are protruded, and the protruding portions 20b and 20b are inserted and engaged with the engaging holes 24 and 24 of the adjacent chargers 10 and 10, respectively. The protruding directions of the locking members 20 and 20 are orthogonal to the engaging directions of the concave and convex dovetail grooves 16 and 18. Therefore, the relative movement in the engaging direction of the concave and convex dovetail grooves 16 and 18 is restricted by the protrusion of the lock members 20 and 20, and the engagement is not released. In order to disengage the chargers 10, 10..., The lock members 20, 20 are retracted so that the concave and convex dovetail grooves 16, 18 can be moved relative to each other in the engaging direction. It can be carried out. Further, as shown in FIG. 12, the connecting cord 32 is electrically connected to the inlets 34, 34 of the other chargers 10, 10 connected adjacently through the connecting grooves 38, 38,. Further, the outlet of the AC 100V power cord 44 is electrically connected to the inlet 34 of the charger 10 at one end to which the outlet 30 of the other charger 10 is not connected via the communication groove 38. The outlet 30 of the charger 10 at the other end may be inserted and fixed in its own fixing hole 36.

  In the wireless microphone charger 10 of the present invention, a charging circuit 46 and a protection circuit 48 are electrically connected to the inlet 34 in order to charge the wireless microphone. 32 is electrically connected. The protection circuit 48 is a fuse or the like as an example, and prevents overcurrent. Then, by electrically connecting the outlet 30 to the inlet 34 of another charger 10 connected adjacently, as shown in FIG. 14, the three connected chargers 10, 10, 10 are charged to AC 100V. An electric circuit in which the circuits 46, 46, 46 are connected in parallel is formed.

  The cross-sectional shape of the concave and convex dovetail grooves 16 and 18 is not limited to the above embodiment, and may be any shape. Of course, the engagement direction of the dovetail grooves 16 and 18 is not limited to the vertical direction but may be the horizontal direction. Further, the mechanism of the lock member 20 that restricts the engagement of the dovetail grooves 16 and 18 is not limited to the above embodiment, and any mechanism can be used as long as the relative movement in the engagement direction of the dovetail grooves 16 and 18 can be restricted. May be. Further, the connecting cord 32 and the inlet 34 for electrically connecting the chargers 10 and 10 connected adjacently to each other are not limited to those provided in the concave portion 28 on the bottom surface, and a concave portion is provided in a portion that cannot be seen from the outside due to the connection. May be disposed as appropriate. Further, the display of application of power, charging, completion of charging, etc. is not limited to the display provided for each, as in the above embodiment, and one display means appropriately changes the display color and lighting intensity. May be displayed.

It is a top view of the single body of one Example of the charger for wireless microphones of this invention. It is a front view. It is a rear view. It is a bottom view. It is a right side view, and is a view in which the insertion state of the wireless microphone is added by a one-dot chain line. The locking member is shown, (a) is a plan view, (b) is a front view, (c) is a bottom view, (d) is a side view, and (e) is a cross-sectional view taken along line AA in (b). . It is a principal part longitudinal cross-sectional view of the state which assembled | attached the lock member to the housing | casing of a charger. It is a principal part B arrow line view of the member of the bottom face of FIG. It is a principal part C arrow line view of the member of the bottom face of FIG. It is a top view of the lock member assembled and set to the retracted state. It is a top view of the locking member set to the protrusion state. It is a bottom view of the state which connected three chargers for wireless microphones of the present invention. It is a side view of the state which connected 3 units | sets. It is an electrical circuit diagram of the state which connected 3 units | sets.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Charger for wireless microphones 16 Concave groove 18 Convex groove 20 Lock member 20b Protruding part 22 Protruding port 24 Engaging hole 26 Bottom member 28 Concave part 30 Outlet 32 Connecting cord 34 Inlet 38 Communication groove 40 Sliding Groove 42 Locking projection 44 AC100V power cord 46 Charging circuit 48 Protection circuit

Claims (3)

A concave dovetail groove is formed on the side surface of the housing, and a convex dovetail groove that can be engaged with the concave dovetail groove is formed on the side surface opposite to the side surface, and a connection having an outlet at the tip is formed on the housing Provided with a cord and an inlet, respectively, so that a plurality of the casings can be engaged by engaging the concave and convex dovetail grooves, and the outlet is provided in another casing connected adjacently. A charger for a wireless microphone, wherein a plurality of chargers that are electrically connected to the inlet can be electrically connected. The charger for a wireless microphone according to claim 1, wherein a lock member that can project and retract in a direction perpendicular to an engagement direction of the concave and convex dovetail grooves on one side surface where the dovetail groove is formed. A charger for a wireless microphone, comprising: an engaging hole that can be inserted and engaged by a protrusion of the lock member on the opposite side surface facing the lock member. 2. The wireless microphone charger according to claim 1, wherein a concave portion is provided on a bottom surface of the housing, a connecting cord having the outlet at a tip and the inlet are provided in the concave portion, and a communication groove extending from the concave portion to the side surface. A wireless microphone characterized in that the connecting cord can be electrically connected to the inlet provided in another charger to which the outlet at the tip of the connecting cord is connected adjacently through the communication groove. Charger.