JP2011146343A - Mounting structure and electronic equipment of operation button - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the mounting structure of an operation button easily disposing the operation button to an optimal position with regard to the opening of a decorative sheet in the front panel of an electronic equipment, and to provide the electronic equipment with the mounting structure of the operation button. <P>SOLUTION: The mounting structure of the operation button includes: a switch arranged in a housing; the operation button to depress and operate the switch from outside with its tip end exposed from the opening of the decorative sheet disposed in the front panel; and an operation-button adaptor which has a fixture to be fixed inside the housing, a hinge part swingable with regard to the fixture, a holder to hold the operation button, and a protrusion to depress the switch in the position opposite to the switch. The operation-button has an inserting part to be inserted into the holder, and the inserting part is formed as movable with regard to the holder. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an operation button mounting structure of an electronic device for operating a switch arranged in the housing of the electronic device by an operation from the outside of the housing, and an electronic device provided with an operation button mounting structure.

  Conventionally, an operation button has been provided on the front panel of an electronic device such as an audio device. By pressing the operation button, a small push switch mounted on a circuit board disposed in the housing of the electronic device is operated. It can be done.

  In order for the operation buttons to operate smoothly, the positional relationship between the operation buttons, the front panel, and the small push switch must be managed with high accuracy, and for this purpose, the dimensions of the collar for preventing the operation buttons from coming off from the front panel Therefore, relatively high accuracy is required for the size of the portion of the operation button that presses the small push switch, which causes an increase in cost.

  In order to solve such a problem, between the switch body and the push button, the lower part has a fitting part with the head part of the switch body, and the upper part holds the lower part of the push button. A push button switch is devised with an adapter having a gap (see, for example, Utility Model Document 1).

Japanese Utility Model Publication No. 4-46332

  In some cases, a decorative panel is provided on the front panel of an electronic device. When the operation button operation part protrudes outward from the opening in the decorative panel, the decorative panel is usually attached to the front panel. After attaching, attach the operation buttons to the front panel. It is necessary to increase the gap between the decorative plate side opening and the operation portion of the operation button in consideration of component error due to mounting error of each component, dimensional tolerance of each component, temperature humidity, and the like. At that time, when the gap between the opening after assembly and the operation portion of the operation button is non-uniform, there is a problem that the appearance looks worse.

  In the utility model document 1, the push button is always maintained in a constant state with respect to the operation direction with respect to the front panel. In addition, since the gap is not taken into consideration in the structure of the utility model document 1, the push button held by the adapter always maintains a vertical posture with respect to the adapter. Therefore, when the push button contacts the cover plate, the push button is operated. Since the part is displaced by the cover plate and moves in an inclined posture, the click feeling of the switch is impaired.

  The present invention has been made in view of the circumstances as described above, and is an operation button capable of easily arranging the operation button at an optimal position with respect to the opening of the decorative plate of the front panel of the electronic device. It is an object of the present invention to provide an electronic device having a mounting structure and an operation button mounting structure.

  In order to achieve the above object, the operation button mounting structure according to the present invention includes a switch disposed in a casing and a front end portion exposed from an opening of a decorative panel disposed on a front panel of the casing. An operation button for pressing from the side, a fixed part fixed in the housing, a hinge part swingable with respect to the fixed part, a holding part for holding the operation button, and the switch. An operation button adapter having a switch pressing portion at a position, wherein the operation button has an insertion portion loosely fitted to the holding portion, and there is a gap between the insertion portion and the holding portion. And

  In addition, the electronic device of the present invention includes a switch disposed in the housing, an operation button for pressing the switch from the outside with the tip portion exposed from the opening of the decorative plate disposed on the front panel of the housing. A fixing portion fixed in the housing; a hinge portion swingable with respect to the fixing portion; a holding portion for holding the operation button; and a switch pressing portion at a position facing the switch. An operation button adapter, wherein the operation button has an insertion portion loosely fitted to the holding portion, and there is a gap between the insertion portion and the holding portion.

  ADVANTAGE OF THE INVENTION According to this invention, it can perform easily arrange | positioning an operation button in the optimal position with respect to opening of the decorative board of the front panel of an electronic device.

The figure which showed the external appearance of the optical disk recorder by this invention. The figure which looked at the optical disk recorder from the front. Sectional drawing which looked at the operation button unit from the side. The top view which looked at the operation button unit from the upper part. The perspective view which showed the external appearance of the operation button and the operation button adapter. The perspective view which showed the outline of the state which combined the operation button and the operation button adapter. The figure which showed the case where the decorative board was stuck and shifted | deviated to the horizontal direction with respect to the front panel. The figure which showed the operation button and operation button adapter in Embodiment 2. FIG. Sectional drawing which looked at the operation button unit in Embodiment 3 from the side surface. The figure which looked at the opening and operation button of the decorative board in Embodiment 3 from the front side. WW sectional drawing in FIG.

  Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1)
FIG. 1 is a diagram showing an overview of an optical disc recorder 1 which is an electronic device. FIG. 2 is a view of the optical disc recorder 1 as viewed from the front side on the front panel 3 side. The optical disc recorder 1 is an electronic device that records and reproduces video information and audio information on an optical disc. A front panel 3 is arranged on the front side of the housing 2 of the optical disc recorder 1.

  On the front panel 3, an operation button for turning on / off the power of the optical disk recorder 1 and a plurality of operation buttons 7 for instructing recording / playback operations of the optical disk recorder 1 are arranged. The front end of the operation button 7 is exposed from the opening 5 of the decorative plate 4 arranged on the surface of the front panel 3. The horizontal direction (left-right direction) of the housing 2 is the X direction, the depth direction (front-rear direction) is the Y direction, and the vertical direction (up-down direction) is the Z direction.

  FIG. 3 is a cross-sectional view of the operation button unit 6 as viewed from the side. FIG. 4 is a plan view of the operation button unit 6 as viewed from above. 3 is a VV cross section in FIG. 4, and FIG. 4 is a U-U step surface in FIG. In FIG. 3, the operation button unit 6 includes an operation button 7, a small push switch 14 mounted on a circuit board 13, and an operation button adapter 16.

  The small push switch 14 is, for example, a momentary operation switch called a tact switch (registered trademark) or the like, and is a type that is turned on (or off) only when the button 15 is pressed. If the pressing is stopped, both the button 15 and the circuit are restored.

  As for the operation button 7, the operation part 8 is exposed from the opening 5 of the decorative board 4 arrange | positioned at the front panel 3. FIG. The operation button 7 has an insertion portion 9 that is inserted into a holding portion 17 for holding the operation button 7 of the operation button adapter 16, and is integrally formed of resin. The operation buttons 7 are plated on the entire surface or the surface of the operation unit 8 to enhance the beauty.

  The insertion portion 9 of the operation button 7 is loosely fitted to the holding portion 17. The loose fit is a state in which there is a play, and there is a gap that can move between the fit and the fit. There is a gap in the horizontal and vertical directions between the insertion portion 9 and the holding portion 17, and the operation button 7 is horizontal (± X direction) on a plane substantially parallel to the decorative plate 4 with respect to the operation button adapter 16. And a predetermined distance in the vertical direction (± Z direction). The operation button 7 moves a predetermined distance in the horizontal direction (± X direction) and the vertical direction (± Z direction) on a plane substantially parallel to the opening 5 of the decorative plate 4 with respect to the operation button adapter 16. You can also say that you can.

  The operation button adapter 16 includes a holding portion 17 that holds the operation button 7, a fixing portion 18 that is fixed to the front panel in the housing, a hinge portion 19 that can swing with respect to the fixing portion 18, and a small push switch 14. It has a pressing part 20 for pressing a switch, a circuit board contact part 21, and a stopper 22 arranged at a position facing the button 15. These are integrally formed of resin.

  The fixing portion 18 is fixed to an operation button adapter mounting portion 27 that is integrated with the front panel 3 and extends from the front panel 3 to the inside of the housing 2. The fixing portion 18 is a U-shaped frame, and is fixed to the operation button adapter mounting portion 27 at three locations.

  The front panel 3 corresponding to the opening 5 of the decorative plate 4 has a front panel opening 28. A guide rib 29 is provided around the inside of the front panel opening 28. The guide rib 29 is for easily inserting the operation unit 8 into the front panel opening 28 after the operation button 7 and the operation button adapter 16 are combined.

  The hinge portion 19 is a portion that connects the fixing portion 18, the holding portion 17, and the pressing portion 20. When the operation button 7 is pressed by a human hand, the hinge portion 19 is bent and the pressing portion 20 is in the direction of the switch 14. Can be moved to. In response to the operation of the operation button 7, the button 15 of the switch 14 is pressed by the pressing portion 20 for pressing the switch, and the switch 14 is turned on or off.

  A circuit board contact portion 21 is provided on the surface of the fixing portion 18 on the side facing the circuit board 13. The circuit board abutment portion 21 ensures a constant distance between the pressing portion 20 and the button 15 of the switch 14 so that the distance between the fixing portion 18 and the circuit board 13 is not narrowed.

  The stopper 22 is for preventing the button 15 of the switch 14 from being excessively pressed by the pressing portion 20 by the tip of the stopper 22 coming into contact with the circuit board 13 when the operation button 7 is pressed. .

  The holding portion 17 of the operation button adapter 16 is provided with an engagement portion 23, and the engagement protrusion 10 at the distal end portion of the insertion portion 9 of the operation button 7 is engaged with the engagement portion 23, thereby operating the operation button adapter 16. The button 7 is held so as not to come out of the holding unit 17.

  FIG. 5 is a perspective view showing an overview of each of the operation button adapter 16 and the operation button 7. FIG. 5A is a perspective view of the operation button adapter 16, and FIG. 5B is a perspective view of the operation button 7. FIG. 6 is a perspective view showing an overview of a state in which the operation button 7 and the operation button adapter 16 are combined. As shown in FIG. 5, the holding portion 17 is provided with an engagement window 24. When the insertion portion 9 of the operation button 7 is inserted into the engagement window 24 and is inserted until the abutting portion 11 contacts the operation button stopper 25, the engagement protrusion 10 engages with the engagement portion 23. The insertion portion 9 is elastically deformed when passing through the engagement window 24 and passes inside the engagement window 24. As shown in FIG. 6, when the abutting portion 11 comes into contact with the operation button stopper 25, the elastically deformed insertion portion 9 returns to its original shape, and the engaging projection portion 10 engages with the engaging portion 23.

  4 and 5, the dimension A in the horizontal direction (± X direction), the dimension E in the vertical direction (± Z direction), and the horizontal direction (± X direction) of the insertion portion 9 in the holding window 17. The relationship between the dimension B and the dimension F (see also FIG. 3) in the vertical direction (± Z direction) is A> B and E> F. When the gap between the engagement window 24 of the insertion portion 9 and the holding portion 17 is G and H, and AB = G and EF = H, the operation button 7 is connected to the decorative plate 4 with respect to the operation button adapter 16. It is possible to move within a range of distance G in the horizontal direction (± X direction) and distance H in the vertical direction (± Z direction) on a substantially parallel plane. On the other hand, as shown in FIG. 6, the abutting portion 11 abuts on the operation button stopper 25 and the engaging protrusion 10 engages with the engaging portion 23, so that it moves in the depth direction (± Y direction). I can't.

  In FIG. 4, when the distances K1 and K2 between the engagement window 24 and the insertion portion 9 have substantially the same length, K1≈K2≈G / 2. A difference between a dimension C in the horizontal direction (± X direction) of the opening 5 of the decorative plate 4 and a dimension D in the horizontal direction (± X direction) of the operation unit 8 of the operation button 7 is defined as CD = J. When the distances L1 and L2 between the opening 5 of the decorative plate 4 and the operation button 7 are substantially the same, L1≈L2≈J / 2. When the decorative plate 4 is not displaced from the front panel, K1≈K2≈G / 2 and L1≈L2≈J / 2.

  FIG. 7 is a diagram showing a case where the decorative plate 4 is attached to the front panel 3 in a state where the decorative plate 4 is shifted in the horizontal direction (X direction) from the normal position. At this time, if the operation button 7 is shifted by M from the neutral position (K1≈K2≈G / 2) with respect to the operation button adapter 16, the operation portion 8 of the operation button 7 is moved in the horizontal direction of the opening 5 of the decorative plate 4 ( (± X direction). That is, L1≈L2≈J / 2 can be maintained. Therefore, if the magnitude of the shift amount M is within G / 2, the operation portion 8 of the operation button 7 can be positioned at the approximate center of the opening 5 of the decorative plate 4.

  When the decorative plate 4 is attached with a deviation amount N in the vertical direction (± Z direction) from the normal position with respect to the front panel 3, the operation button 7 is placed in a neutral position with respect to the operation button adapter 16. If the shift amount is shifted by N, the operation portion 8 of the operation button 7 can be positioned at the center in the vertical direction of the opening 5 of the decorative plate 4. If the magnitude of the deviation amount N is within H / 2, the operation portion 8 of the operation button 7 can be positioned substantially at the center of the opening 5 of the decorative plate 4.

  As described above, the operation side portion of the operation button unit 6 is composed of two parts, the operation button 7 and the operation button adapter 16, and the operation button 7 is horizontal (± X direction) and vertical with respect to the operation button adapter 16. Even when the decorative plate 4 is assembled with the position shifted with respect to the front panel 3 by being configured to be movable in the direction (± Z direction), the operation button is operated with respect to the opening 5 of the decorative plate 4. 7 can be easily arranged at an optimum position.

  Further, even when the gaps (L1, L2) between the opening 5 of the decorative plate 4 and the operation unit 8 are small, the size of the gap can be made uniform, and the appearance quality can be improved. Furthermore, even in a high-temperature and high-humidity environment after assembly, a highly reliable structure can be achieved without being affected by the expansion and contraction of components.

(Embodiment 2)
FIG. 8 is a diagram showing the operation button 30 and the operation button adapter 35 in the second embodiment. About each part of this Embodiment 2, the same part as each part of the operation button unit 6 of Embodiment 1 shown in FIG. 3 is the same code | symbol. The difference from the first embodiment is that the direction of the engagement protrusion 32 of the insertion portion 31 of the operation button 30 is different. Although the engaging protrusions 10 of the first embodiment protrude outward, the engaging protrusions 32 of the second embodiment protrude inward.

  The holding portion 36 of the operation button adapter 35 is provided with an engaging portion 37, and the engaging protrusion 32 at the distal end portion of the insertion portion 31 of the operating button 30 is engaged with the engaging portion 37, thereby operating the operation button adapter 35. The button 30 is held so as not to come out of the holding unit 36. When the insertion portion 31 is inserted into the holding portion 36, the insertion portion 31 engages so as to straddle the engagement portion 37 side.

(Embodiment 3)
FIG. 9 is a cross-sectional view of the operation button unit 41 according to the third embodiment as viewed from the side. About each part of this Embodiment 3, the same part as each part of the operation button unit 6 of Embodiment 1 shown in FIG. 3 is the same code | symbol. The difference from the first embodiment is that the opening 40 of the decorative plate 4 and the outer shape of the operation button 42 are substantially circular, and the insertion window 49 of the holding portion 47 of the operation button adapter 46 becomes substantially circular accordingly. Are arranged radially. FIG. 10 is a view of the opening 51 and the operation button 41 of the decorative board 4 as viewed from the front side of the optical disk recorder. FIG. 11 is a WW cross-section in FIG.

  The insertion portion 43 of the operation button 42 is loosely fitted to the holding portion 47. The loose fit is a state in which there is a play, and there is a gap that can move between the fit and the fit. There is a gap between the insertion portion 43 and the holding portion 47, and the operation button 42 can move a predetermined distance with respect to the operation button adapter 46 in a plane substantially parallel to the decorative plate 4.

  The operation button adapter 46 includes a holding portion 47 that holds the operation button 42, a fixing portion 48 that is fixed to the front panel in the housing, a hinge portion 49 that can swing with respect to the fixing portion 48, and the small push switch 14. A switch pressing portion 50, a circuit board contact portion 51, and a stopper 52 are provided at a position facing the button 15. These are integrally formed of resin.

  The fixing part 48 and the hinge part 49 are the pressing part 50, the circuit board abutting part 51, and the stopper 52, respectively. The functions of the fixing part 18 and the hinge part 19 in the first embodiment are the pressing part 20 and the circuit board abutting part. 21 and the stopper 22 are the same, and the description is omitted.

  The holding portion 47 of the operation button adapter 46 is provided with an engaging portion 53, and the engaging protrusion 44 at the distal end portion of the insertion portion 43 of the operation button 42 is engaged with the engaging portion 53, thereby operating the operation button adapter 46. The button 42 is held so as not to come out of the holding unit 47.

  In FIG. 9, the relationship between the inner diameter dimension P of the engagement window 54 and the outer diameter dimension Q of the insertion portion 43 is P> Q. When PQ = R, the operation button 42 can move within a distance R within a plane substantially parallel to the decorative plate 4 with respect to the operation button adapter 46.

  When the decorative plate 4 is pasted with a deviation amount S relative to the front panel 3, the operation button 42 can be moved to the decorative plate by shifting the operation button 42 from the neutral position with respect to the operation button adapter 46. 4 openings 51 can be located in the center. If the magnitude of the deviation amount S is within R / 2, the operation button 42 can be positioned substantially at the center of the opening 51 of the decorative plate 4.

  As described above, the operation button unit 41 includes the operation button 42 and the operation button adapter 46, and the operation button 42 is movable with respect to the operation button adapter 46. 3, the operation button 42 can be easily arranged at an optimal position with respect to the opening 40 of the decorative plate 4 even when the decorative plate 4 is assembled with the position shifted.

  Note that the present invention is not limited to the above-described embodiments as they are, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. In addition, various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, constituent elements over different embodiments may be appropriately combined.

DESCRIPTION OF SYMBOLS 1 Electronic device 2 Housing | casing 3 Front panel 4 Decorative plate 5 Opening 6 Operation button unit 7 Operation button 8 Operation part 9 Insertion part 10 Engagement protrusion part 13 Circuit board 14 Switch 15 Button 16 Operation button adapter 17 Holding part 18 Fixing part 19 Hinge part 20 Press part 21 Circuit board contact part 22 Stopper 23 Engagement part 24 Engagement window 25 Operation button stopper 27 Button adapter attachment part 28 Front panel opening 29 Guide rib

Claims (6)

A switch arranged in the housing;
An operation button for pressing the switch from the outside with the tip portion exposed from the opening of the decorative plate arranged on the front panel of the housing;
An operation having a fixing part fixed in the housing, a hinge part swingable with respect to the fixing part, a holding part for holding the operation button, and a pressing part of the switch at a position facing the switch. With a button adapter,
The operation button mounting structure, wherein the operation button has an insertion portion loosely fitted to the holding portion, and a gap is provided between the insertion portion and the holding portion.   2. The operation button mounting structure according to claim 1, wherein the operation button can move a predetermined distance on a plane substantially parallel to the decorative plate with respect to the operation button adapter.   The operation button mounting structure according to claim 1, wherein the switch is mounted on a circuit board disposed in the housing.   The operation button mounting structure according to claim 1, wherein the fixing portion is fixed to the front panel in the housing.   The operation button mounting structure according to claim 1, wherein the insertion portion has an engagement protrusion at a distal end, and the engagement protrusion engages with an engagement portion of the holding portion. A switch arranged in the housing;
An operation button for pressing the switch from the outside with the tip portion exposed from the opening of the decorative plate arranged on the front panel of the housing;
An operation having a fixing part fixed in the housing, a hinge part swingable with respect to the fixing part, a holding part for holding the operation button, and a pressing part of the switch at a position facing the switch. With a button adapter,
The electronic device is characterized in that the operation button has an insertion portion loosely fitted to the holding portion, and a gap is provided between the insertion portion and the holding portion.

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