JP2007036519A - Remotely controlled transmitter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a remotely controlled transmitter enabling the sure open-close operation and holding of a door by a simple configuration regarding the remotely controlled transmitter mainly used for operating various electronic equipment. <P>SOLUTION: An engaging protrusion 16C is formed to an intermediate section on an underside between a pair of supporters 16A of the door 16 fitted to a case 11 in an openable and closeable manner as using the supporters 16A at both ends as fulcra while the engaging protrusion 11C engaged with the end of the case 11 is formed at the end of the case 11. Consequently, the engaging protrusion 16C and the engaging protrusion 11C can be formed in a large shape while these engaging protrusions 16C and 11C can be brought into contact elastically by the deflection of the whole door 16 between the supporters 16A, thus obtaining the remotely controlled transmitter reducing an abrasion by the open-close operation and enabling the sure open-close operation and holding of the door 16. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a remote control transmitter mainly used for remote control of various electronic devices.

  In recent years, as various electronic devices such as video, audio, and air conditioning have become more sophisticated, even remote control transmitters that remotely operate these electronic devices can be operated in a variety of ways by opening and closing and moving doors. Things that have been increased.

  Such a conventional remote control transmitter will be described with reference to FIGS.

  FIG. 4 is a partial sectional view of a conventional remote control transmitter. In FIG. 4, 1 is a substantially box-shaped case made of an insulating resin, 2 is a lower operation body such as rubber, and a plurality of lower operation bodies 2 are downward. The substantially dome-shaped thin portion provided is connected and formed to be movable up and down, and the upper surface of the lower operation body 2 projects from the upper surface of the case 1.

  Reference numeral 3 denotes a wiring board having a plurality of wiring patterns (not shown) formed on the upper and lower surfaces. The lower operation body 2 is placed on the upper surface, and each lower operation body 2 is placed on the upper surface of the wiring board 3. A movable contact (not shown) such as carbon formed on the lower surface and a plurality of fixed contacts (not shown) facing each other with a predetermined gap are provided to form a plurality of switch contacts.

  Further, on the upper and lower surfaces of the wiring board 3, a transmission means 4 for transmitting a remote control signal by electronic parts such as light emitting diodes, and a control means 5 such as a microcomputer connected to the transmission means 4 and fixed contacts via a wiring pattern. Is formed.

  6 is an insulating resin door body, 7 is an upper operation body such as rubber, and a plurality of upper operation bodies 7 are connected and formed so as to be movable up and down by a substantially dome-shaped thin portion provided below. The upper surface of the upper operation body 7 protrudes from the upper surface of the door body 6, and the projecting portion of the lower surface of the upper operation body 7 protrudes from the bottom surface of the door body 6 and is in contact with the upper surface of the lower operation body 2.

  Further, as shown in the partially exploded perspective view of FIG. 5, a pair of support portions 6A projecting downward are formed at both right ends of the door body 6, and the support holes 6B on the inner surface of the support portion 6A are formed as follows. A holding shaft 1B on both side surfaces of the holding portion 1A provided at the right end of the case 1 is rotatably inserted into the holding shaft 1B, and the door body 6 is attached to the case 1 so as to be openable and closable with the support hole 6B as a fulcrum.

  Further, an engaging protrusion 6C is provided on the inner side surface of the support portion 6A, and a locking groove portion 1C that engages with the holding projection 1A is provided on the side surface of the holding portion 1A. The remote control transmitter is configured such that the door body 6 is held at a predetermined angle by the elastic deformation of the engaging projection 6C and the support 6A that are in pressure contact.

  The plurality of upper operation bodies 7 housed in the door body 6 are used for power on / off of the electronic equipment, or those that are normally used frequently such as volume and channel selection. The plurality of lower operating bodies 2 are used for devices that are used relatively infrequently, such as mode switching between television and video and time setting.

  Further, a detection switch (not shown) or the like is provided between the door body 6 and the case 1, and the control means 5 detects whether the door body 6 is in a closed state or an open state. 7 and the lower operation body 2 are configured to be determined.

  In the above configuration, as shown in FIG. 4, when the upper operation body 7A protruding from the upper surface of the door body 6 is pressed with the door body 6 closed, for example, the substantially dome-shaped thin portion is elastically deformed and The operating body 7A moves downward, and the protruding portion protruding from the bottom surface of the door body 6 on the lower surface presses the upper surface of the lower operating body 2A.

  Then, the lower operation body 2A is also moved downward, the movable contact on the lower surface comes into contact with the fixed contact, and the switch contact is electrically connected / disconnected. In response to the electrical contact / disengagement, the control means 5 An infrared remote control signal is transmitted from the transmission means 4 to the electronic device, and for example, the device is turned on / off by remote control.

  Further, when the door body 6 is rotated with the support hole 6B inserted into the holding shaft 1B as a fulcrum, and the lower operation body 2A protruding from the upper surface of the case 1 is pressed with the door body 6 open, a substantially dome-like shape is obtained. The thin portion is elastically deformed and the lower operation body 2A moves downward, and the movable contact on the lower surface comes into contact with the fixed contact, so that the switch contact is electrically connected / disconnected.

  Then, the control means 5 transmits a remote control signal from the transmission means 4 in response to this electrical contact / separation. At this time, the control means 5 detects that the door body 6 is opened by a detection switch or the like. A remote control signal different from the above is transmitted to the electronic device, and for example, mode switching between television and video, time setting of the device, etc. are performed by remote control.

  That is, the control means 5 detects the open / closed state of the door body 6, and transmits different remote control signals when the plurality of lower operation bodies 2 are directly pressed and when pressed via the upper operation body 7. Thus, the remote control function is increased and more operations are possible.

  In addition, when performing the opening / closing operation of the door body 6 as described above, when the lower operation body 2 is operated with the door body 6 opened to nearly 180 degrees, the door body 6 is opened up and around 90 degrees and the door body 6 is erected. However, if the door body 6 is tilted in the closing direction, it is difficult to operate the lower operation body 2.

  For this reason, as described above, the engaging protrusions 6C provided on the inner side surface of the support portion 6A at both right ends of the door body 6 are engaged with the locking groove portions 1C provided on the side surface of the holding portion 1A at the right end portion of the case 1. The door 6 is held at a predetermined angle by the elastic deformation of the engaging projection 6C and the support 6A that are pressed into the locking groove 1C, and the lower operating body 2 is easily operated. It was a thing.

As prior art document information related to the invention of this application, for example, Patent Document 1 is known.
JP-A-11-213803

  However, in the conventional remote control transmitter, the engaging protrusion 6C provided on the support 6A at the right end of the door body 6 is engaged with the locking groove 1C provided on the holding portion 1A at the right end of the case 1, Since the door body 6 is held at a predetermined angle by the elastic deformation of the engagement protrusion 6C having a small shape and the support portion 6A having a shape that is difficult to bend, it is difficult to obtain a sufficient holding force, and the engagement is repeated by repeated opening and closing operations. There was a problem that wear of the mating protrusion 6C was likely to occur.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a remote control transmitter capable of reliably opening and closing and holding a door with a simple configuration.

  In order to achieve the above object, the present invention provides an engaging portion at a lower middle portion between support portions of a door body that is detachably mounted on a case with a pair of support portions at both ends as fulcrums. A locking portion that engages with this engaging portion is provided to constitute a remote control transmitter, and the engaging portion of the door body and the locking portion of the case that engages with this can be formed in a large shape, Since the engaging portion can be elastically contacted with the locking portion by bending the entire door body between the support portions, a remote control transmitter that can be reliably opened / closed and held by the door body with less wear due to the opening / closing operation is obtained. It has the effect of being able to.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that a remote control transmitter capable of reliably opening and closing and holding the door body can be realized with a simple configuration.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  In addition, the same code | symbol is attached | subjected to the part of the structure same as the structure demonstrated in the term of background art, and detailed description is simplified.

(Embodiment)
FIG. 1 is a partial cross-sectional view of a remote control transmitter according to an embodiment of the present invention, in which 11 is a substantially box-like case made of an insulating resin such as polystyrene or ABS, and 2 is below rubber or elastomer. In the operating body, a plurality of lower operating bodies 2 are connected and formed so as to be movable up and down by a substantially dome-shaped thin portion provided below, and the upper surfaces of the lower operating bodies 2 protrude from the upper surface of the case 11.

  And, 3 is a wiring board such as paper phenol or epoxy containing glass, a plurality of wiring patterns (not shown) are formed on the upper and lower surfaces by copper foil or the like, and the lower operation body 2 is placed on this upper surface, On the upper surface of the wiring board 3, a movable contact (not shown) such as carbon formed on the lower surface of each lower operation body 2 and a plurality of fixed contacts (not shown) facing each other with a predetermined gap are provided. A plurality of switch contacts are formed.

  Further, on the upper and lower surfaces of the wiring board 3, a transmission means 4 for transmitting a remote control signal by electronic parts such as light emitting diodes, and a control means 5 such as a microcomputer connected to the transmission means 4 and fixed contacts via a wiring pattern. Is formed.

  Reference numeral 16 denotes an insulating resin door, 7 is an upper operation body such as rubber or elastomer, and a plurality of upper operation bodies 7 are connected and formed so as to be movable up and down by a substantially dome-shaped thin portion provided below. At the same time, the upper surface of the upper operation body 7 protrudes from the upper surface of the door body 16, and the protruding portion of the lower surface of the upper operation body 7 protrudes from the bottom surface of the door body 16 and is in contact with the upper surface of the lower operation body 2.

  Further, as shown in the partially exploded perspective view of FIG. 2, a pair of support portions 16A projecting downward are formed at both right ends of the door body 16, and the support holes 16B on the inner side surface of the support portion 16A are formed as follows. The door 11 is attached to the case 11 so as to be openable and closable with the support hole 16B as a fulcrum.

  Further, a wide engaging protrusion 16C that protrudes downward is provided at the intermediate portion between the support portions 16A on the lower surface of the right end of the door body 16, and a wide engagement that engages with this at the holding portion 11A end of the case 11 is provided. When the stop projection 11C is provided and the door body 16 is opened and closed, the engagement projection 16C elastically contacts the locking projection 11C due to the deflection of the entire door body 16 between the support portions 16A, and the door body 16 is predetermined. The remote control transmitter is configured so as to be held at an angle of.

  Note that the plurality of upper operation bodies 7 housed in the door body 16 are used for power on / off of the electronic equipment, or those that are normally used frequently such as volume and channel selection. The plurality of lower operating bodies 2 are used for devices that are used relatively infrequently, such as mode switching between television and video and time setting.

  Further, a detection switch (not shown) connected to the control means 5 is provided between the door body 16 and the case 11, and the control means 5 determines whether the door body 16 is closed or open. Is detected, and it is configured to determine which one of the upper operation body 7 and the lower operation body 2 is operated.

  In the above configuration, as shown in the partial cross-sectional views of FIGS. 1 and 3A, when the upper operation body 7A protruding from the upper surface of the door body 16 is pressed with the door body 16 closed, for example, a substantially dome shape is obtained. The thin thin portion is elastically deformed and the upper operation body 7A moves downward, and the protruding portion protruding from the bottom surface of the door body 16 on the lower surface presses the upper surface of the lower operation body 2A.

  Then, the lower operation body 2A is also moved downward, the movable contact on the lower surface comes into contact with the fixed contact, and the switch contact is electrically connected / disconnected. In response to the electrical contact / disengagement, the control means 5 An infrared remote control signal is transmitted from the transmission means 4 to the electronic device, and for example, the device is turned on / off by remote control.

  Further, when the door body 16 is rotated with the support hole 16B inserted into the holding shaft 11B as a fulcrum, and the lower operation body 2A protruding from the upper surface of the case 11 is pressed with the door body 16 open, a substantially domed shape is obtained. The thin portion is elastically deformed and the lower operation body 2A moves downward, and the movable contact on the lower surface comes into contact with the fixed contact, so that the switch contact is electrically connected / disconnected.

  Then, the control means 5 transmits a remote control signal from the transmission means 4 according to this electrical contact / separation. At this time, the control means 5 detects that the door body 16 is opened by a detection switch or the like. A remote control signal different from the above is transmitted to the electronic device, and for example, mode switching between television and video, time setting of the device, etc. are performed by remote control.

  That is, the control means 5 detects the open / closed state of the door body 16, and transmits different remote control signals when the plurality of lower operation bodies 2 are directly pressed and when pressed via the upper operation body 7. Thus, the remote control function is increased and more operations are possible.

  Furthermore, when performing the opening / closing operation of the door body 16 as described above, when the lower operation body 2 is operated with the door body 16 opened to nearly 180 degrees, the door body 16 is opened up and around 90 degrees and the door body 16 is erected. In this case, as shown in FIG. 3 (b), when the door body 16 is opened to about 90 degrees, the engaging protrusion 16C at the lower middle portion of the right end portion is 11 is in contact with the upper surface of the locking projection 11C at the end of the holding portion 11A.

  Then, when the door body 16 is further opened after this, as shown in FIG. 3C, the engaging projection 16C gets over the locking projection 11C and comes into contact with the lower surface of the locking projection 11C. As shown in FIG. 2, the engaging protrusion 16C is provided at the middle portion of the lower surface of the right end of the door body 16, and therefore the entire door body 16 between the support portions 16A, that is, the thin portion in the width direction of the door body 16. The whole is bent and elastically deformed, and the engaging protrusion 16C is elastically contacted with the locking protrusion 11C by this force.

  That is, the engagement protrusion 16C is provided in the intermediate part between the support parts 16A at the right ends of the door body 16, and this is engaged with the locking protrusion 11C to hold the door body 16 around 90 degrees. The engagement protrusion 16C can be brought into elastic contact with the locking protrusion 11C by the bending of the entire door body 16 between the support portions 16A, so that the door body 16 can be reliably opened and closed and held. It is configured so that the lower operation body 2 can be easily operated without falling over when the 16 is opened.

  Further, by providing an engaging protrusion 16C at the middle of the lower surface of the door body 16 between the support portions 16A and an engaging protrusion 11C at the end of the holding portion 11A of the case 11, the engaging protrusion 16C and the engaging protrusion 16C are engaged. Since the engaging protrusion 11C to be joined can be formed in a relatively large shape having a wide width, it is difficult to cause wear due to repeated opening and closing operations, and a decrease in holding force in the open state of the door body 16 can be prevented.

  As described above, according to the present embodiment, the door body 16 attached to the case 11 so as to be openable and closable with the pair of holding portions 11A at both ends as a fulcrum is engaged with the lower surface intermediate portion of the door body 16 between the holding portions 11A. By providing the protrusion 16C and the locking protrusion 11C that engages with the end of the case 11, the engagement protrusion 16C and the locking protrusion 11C can be formed in a large shape, and the holding portion 11A Since the door body 16 can be elastically contacted by the entire bending of the door body 16, there is little wear due to the opening / closing operation, and a remote control transmitter capable of reliably opening / closing and holding the door body 16 can be obtained.

  In the above description, the engaging protrusion 16C of the door body 16 and the locking protrusion 11C of the case 11 are both formed in a convex shape and engaged with each other. It is also possible to implement the present invention with a configuration in which the other is formed in a concave shape and the engaging portion and the engaging portion are engaged to hold the door body 16 in an open state.

  Further, as a configuration in which a pair of support portions 16A of the door body 16 serving as a fulcrum for the opening / closing operation is protruded downward at both right ends of the door body 16, and the support holes 16B on the inner side surface are rotatably inserted into the holding shaft 11B. As described above, a configuration in which the outer side surface of the support portion 16A is attached to the case 11 so as to be openable and closable, or a configuration in which the support portion 16A protrudes outward from the end portion of the door body 16 may be employed.

  Further, the upper operating body 7 is not provided and the door body 16 is opened and closed, and only the lower operating body 2 is pressed, or the movable contact on the lower surface of the lower operating body 2 and the switch contact by the fixed contact on the upper surface of the wiring board 3 are used. There are various types such as those in which a movable contact made of a conductive metal thin plate is mounted on the fixed contact on the upper surface of the wiring board 3, or a plurality of individual push switches are mounted on the wiring board 3. The present invention can also be implemented with a configuration using switch contacts.

  The remote control transmitter according to the present invention has a simple configuration and is capable of reliably opening and closing and holding the door, and is useful mainly for operating various electronic devices.

1 is a partial sectional view of a remote control transmitter according to an embodiment of the present invention. Partial exploded perspective view Partial sectional view of the same Partial sectional view of a conventional remote control transmitter Partial exploded perspective view

Explanation of symbols

2, 2A Lower operation body 3 Wiring board 4 Transmission means 5 Control means 7, 7A Upper operation body 11 Case 11A Holding part 11B Holding shaft 11C Locking protrusion 16 Door body 16A Supporting part 16B Support hole 16C Engaging protrusion

Claims (1)

A substantially box-shaped case, a switch contact that is electrically connected / disconnected by operating an operating body projecting on the upper surface of the case, and a control means that transmits a remote control signal from the transmitting means in accordance with the electrical contact / disengagement of the switch contact; A pair of support portions formed at both ends, with a fulcrum as a fulcrum, and a door body that can be opened and closed to the case, and an engagement portion is formed at a lower surface intermediate portion between the support portions of the door body, and A remote control transmitter provided with a locking portion that engages with the engaging portion at the end of the case.

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