JP5794415B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device in which a key top is disposed in an opening so as to be movable up and down.

  For example, Patent Document 1 discloses a technique related to an electronic device including a key top that can be operated by an operator. A push button switch provided in this conventional electronic device (electric device) includes a plurality of key tops that are arranged to be movable up and down, a base that is an operation fulcrum when the plurality of key tops move up and down, and a flexure. And a connecting rod that connects the base body and the key top in the horizontal direction while allowing the key top to move up and down by deformation.

Japanese Utility Model Publication No. 4-94226

  However, the above prior art has a structure in which a plurality of connecting rods are extended horizontally from a plate-like base extending substantially horizontally, and the side surfaces of the key tops are connected to the ends of the connecting rods. That is, the base body and the key top are arranged substantially side by side in the horizontal direction, and the base body and the key top are connected by a horizontal connecting rod that is also horizontally aligned. Therefore, in order to obtain a predetermined amount of bending deformation for smoothly moving the key top up and down, it is necessary to lengthen the horizontal length of the connecting rod to some extent. As a result, if the installation space for the key top and its surrounding parts cannot be secured so large, the size of the key top itself and the restrictions on the arrangement of parts around the key top will occur. The degree of freedom of component layout was reduced.

  The objective of this invention is providing the electronic device which can improve the freedom degree of the layout of each component containing a keytop.

In order to achieve the above object, the present invention is inserted into a cover constituting at least a part of a casing and at least one first opening provided in the cover so as to be movable up and down from the back side of the cover. At least one key top, a key attachment member attached to the back surface of the cover and serving as an operation fulcrum when the key top moves up and down, and allowing the key top to move up and down by bending deformation. An electronic apparatus having a first connection arm that connects the key attachment member and the key top, the upper end of the first connection arm being connected to the lower part of the key top, and lower than the upper end. A hanging portion that extends so as to hang down, a curved portion that is provided continuously with the hanging portion, and is bent so as to be reversed and folded upward from the hanging direction of the hanging portion, Continuously provided serial bend, and a base end portion in which the upper end is fixed to the key mounting member which extends upwardly from the curved portion, said key top is provided on the rear surface of the cover A guide member for guiding the vertical movement; and an engaging portion that engages with the guide member while allowing the key top to move up and down, and the hanging part with respect to a pressing center of the key top. And the guide member are provided on opposite sides, and a plurality of the key tops are respectively inserted and arranged in the plurality of first openings provided in the cover, and one common key attachment member Are respectively connected to the plurality of key tops by the plurality of first connection arms, the center in the width direction of the first connection arms, the circular center of each cross-sectional shape of the plurality of key tops, and the guide The member is In serial key mounting member electronic devices disposed along a radial line passing through the center of, and a plurality of second openings provided at positions corresponding to the first opening of the plurality of said cover, said A plurality of LED display portions that are inserted and fixed to the plurality of second openings from the back side of the cover, respectively, and a plurality of second display arms that are connected to the plurality of LED display portions by a plurality of second connection arms. The LED mounting member is attached to the back surface of the cover so as to be sandwiched between the key mounting member and the cover .

  In the electronic device according to the present invention, the cover of the housing is provided with the first opening, and the key top is inserted into the first opening from the back side of the cover. The key top is connected to a key attachment member attached to the back surface of the cover via the first connection arm. When the head of the key top exposed on the surface of the cover is operated by the operator, the first connecting arm is bent and deformed, whereby the key top can move up and down in the first opening.

  At this time, in the present invention, the first connecting arm is bent downward from the lower portion of the key top at the hanging portion, and further bent upward at the bending portion, and then extended upward at the base end portion. . As described above, the first connecting arm has a structure in which the bending deformation is generated by the folded-back shape from the key top, so that the first connecting arm generates the bending deformation by the connecting arm extending in the horizontal direction from the key top. The horizontal dimension required for obtaining a predetermined amount of bending deformation (for smoothly moving the key top up and down) can be reduced. Therefore, the restriction on the size of the key top itself and the restriction on the component arrangement around the key top can be reduced. As a result, the degree of freedom of layout of each part including the key top can be improved.

  According to the present invention, it is possible to improve the degree of freedom of layout of each component including the key top.

It is a perspective view showing the appearance of the printed label production apparatus concerning this embodiment. It is a top view of a printed label production apparatus. It is a rear view of a printed label production apparatus. It is a perspective view which shows the state by which the roll sheet holder was mounted | worn with the printing label production apparatus by opening an opening-and-closing cover. It is a top view which shows the state which opened the opening / closing cover of the printing label production apparatus. It is a perspective view which shows the state which opened the opening / closing cover of the printing label production apparatus. It is a sectional side view which shows the state which mounted | wore the printing sheet label production apparatus with the roll sheet holder. It is the perspective view equivalent to the state which looked at the X section in Drawing 1 while showing the state where each of the key top, the key attachment member, and the LED attachment member was built in the back side of the front cover. FIG. 9 is an exploded perspective view of FIG. 8. FIG. 7 is a longitudinal sectional view of the front cover substantially corresponding to the extracted view of the Y portion in FIG. 7, and a key top, a key mounting member, and an LED mounting member substantially corresponding to the partial enlarged view of the Z portion in FIG. It is a side view of the circuit board in the assembled state. It is a principal part side view showing the structure where one keytop is attached to a key attachment member via a connection member. It is a principal part longitudinal cross-sectional view showing the state before pushing operation of one key top, and the state after pushing operation. It is a perspective view showing the structure where two key tops are attached to one common key attachment member via a connection member.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  In the present embodiment, the present invention is applied to a printed label producing apparatus 1 as an electronic apparatus. First, a schematic configuration of the print label producing apparatus 1 according to the present embodiment will be described with reference to FIGS. 1 to 6.

<Schematic structure of the printed label producing apparatus 1>
As shown in FIG. 1 to FIG. 4, the print label producing apparatus 1 constitutes an outline of the apparatus 1, and a roll sheet 3 </ b> A having a predetermined width (corresponding to a print-receiving tape described in each claim) is wound. A pair of hinges 60 on the rear side on the rear upper end edge so as to cover the upper side of the roll sheet holder storage portion 4 and the resin casing 2 having the roll sheet holder storage portion 4 for storing the roll sheet holder 3. And an opening / closing cover 5 (corresponding to a cover described in each claim) made of a transparent resin, which is attached to be freely opened and closed.

  The roll sheet 3A is a long heat-sensitive sheet having a self-coloring property (so-called thermal paper) or a long label sheet in which a release paper is bonded to one side of the heat-sensitive sheet via an adhesive. It is comprised and is wound around the roll sheet holder 3.

  The opening / closing cover 5 is supported by the housing 2 via a hinge part 60 so as to be rotatable, and opens and closes the opening OP above the roll sheet holder storage part 4 by the rotation. In this open / close cover 5, a left wall surface 5D provided on the left side, a right wall surface 5C provided on the right side, and an intermediate wall surface 5E extending so as to connect the left wall surface 5D and the right wall surface 5C, It has a U-shape and is configured integrally. Further, a top plate 5F is attached to the opening / closing cover 5 so as to cover the substantially U-shaped inner edge portion.

  The front cover 6 on the front side of the opening / closing cover 5 is formed with a sheet discharge port 6A for discharging the printed roll sheet 3A to the outside. Further, a power button 7A is provided on the upper front portion of the sheet discharge port 6A, and a cutter unit 80 (see FIG. 7 described later) provided inside the sheet discharge port 6A is driven by pressing the roll button 3A. A total of four buttons, a cut button 7B for cutting and generating a print label (not shown), a feed button 7C for discharging the roll sheet 3A in the conveying direction while being pressed, and other buttons 7D are arranged substantially horizontally. ing. Further, LED displays 8 and 8 described later are arranged in the vicinity of the power button 7A and the control button 7D on the front cover 6, respectively. Each of the power button 7A, the cut button 7B, the feed button 7C, and the control button 7D constitutes a key top described in each claim. Hereinafter, these buttons 7A, 7B, 7C, and 7D will be referred to as key tops 7A, 7B, 7C, and 7D, as appropriate.

  A push claw portion 5B that protrudes a predetermined length in the front direction is provided on the front left side of the recessed portion 5A of the opening / closing cover 5. Further, when the opening / closing cover 5 is closed, the position where the push claw portion 5B of the housing 2 comes into contact is configured by a micro switch or the like, and whether or not the push claw portion 5B is pressed, An open / close cover detection switch 18 for determining whether or not the cover 5 is closed is disposed.

  In addition, an inlet 10 to which a power cord (not shown) is connected is disposed on the rear surface of the housing 2, and a lateral computer (left side in FIG. 3) is connected to a personal computer (not shown). A USB (Universal Serial Bus) connector 11 is provided.

As shown in FIGS. 5 and 6, the front wall portion of the roll sheet holder storage portion 4 is provided with claw-shaped left and right locking portions 15, 15 described later, which are formed to be elastically deformable. Yes. In addition, horizontal rib-like locked portions 16 and 16 are provided below the left and right ends of the top plate 5F of the opening and closing cover 5 so as to face the locking portions 15 and 15, respectively. In addition, in FIG. 4, illustration of the latching | locking parts 15 and 15 and the to-be-latched parts 16 and 16 is abbreviate | omitted. Thereby, by rotating the opening / closing cover 5 in the forward direction from the opened state, each locking portion 15 and each locked portion 16 are engaged, and the opening / closing cover 5 is held closed. . Also, by engaging the recess 5A formed at the front center of the opening / closing cover 5 and turning it in the rear direction, the engagement between each locking portion 15 and each locked portion 16 is released, The opening / closing cover 5 can be opened.

<Details of roll sheet holder storage>
Further, as shown in FIGS. 4 and 5, a holder support member is provided on one side edge portion (right side edge portion in FIG. 4) in a direction substantially perpendicular to the conveyance direction of the roll sheet holder storage portion 4. 23 is provided. The holder support member 23 is formed with a first positioning groove portion 24 having a substantially vertically long U shape in side view, which opens upward and opens on both sides in the width direction. The positioning holding member 20 constituting the roll sheet holder 3 is formed. A mounting member 21 having a substantially rectangular cross section can be fitted.

  Further, a mounting portion 29 extending substantially horizontally from the rear end edge portion of the insertion port 26 (see FIGS. 7 and 6 described later) into which the roll sheet 3A is inserted to the front upper end edge portion of the roll sheet holder storage portion 4. Is provided. Further, five second positioning groove portions 30A to 30E having a substantially L-shaped cross section corresponding to a plurality of width dimensions of the roll sheet 3A are formed at the edge corners on the rear side in the transport direction of the placement portion 29. Has been. As shown in FIG. 7, each of the second positioning groove portions 30 </ b> A to 30 </ b> E is configured so that the lower end portion of the tip contacting the placement portion 29 of the guide member 28 constituting the roll sheet holder 3 can be fitted from above. Is formed.

  Further, on the bottom surface portion of the roll sheet holder storage portion 4, there is a positioning recess 4A having a horizontally long rectangular shape in a plan view substantially perpendicular to the conveying direction from the inner base end portion of the holder support member 23 to the opposite side surface base end portion. It is formed with a predetermined depth. The width dimension of the positioning recess 4A in the conveying direction is formed so as to be substantially equal to the width dimension of the positioning holding member 20 constituting the roll sheet holder 3 and the lower end edges of the guide member.

  In addition, a discrimination recess 4B having a rectangular shape in plan view that is vertically long in the transport direction is formed at the inner base end of the holder support member 23 of the positioning recess 4A. This discrimination recess 4B faces a sheet discrimination portion (not shown) extending in a substantially right-angle inner direction from the lower end edge of the positioning holding member 20, and is deeper by a predetermined depth than the positioning recess 4A. Is formed.

  The discriminating recess 4B is composed of a push-type microswitch or the like, and includes five sheet discriminating sensors P1, P2, P3, P4 for discriminating the type, material, roll sheet width, etc. of the roll sheet 3A. , P5 is provided in an L shape. Each of the sheet discrimination sensors P1 to P5 is a known mechanical switch composed of a plunger, a micro switch, and the like, and the upper end of each plunger extends from the bottom of the discrimination recess 4B to the bottom of the positioning recess 4A. It is provided so that it may protrude to the part vicinity. Each of the sheet discrimination sensors P1 to P5 has sensor holes (not shown) formed in a sheet discrimination portion extending inwardly at a substantially right angle from the lower end edge of the positioning holding member 20 with respect to the sensors P1 to P5. Is detected, and the type, material, roll sheet width, and the like of the roll sheet 3A attached to the roll sheet holder 3 are detected by the on / off signal.

  In the present embodiment, the plunger of each of the sheet determination sensors P1 to P5 always protrudes from the bottom surface of the determination recess 4B to the vicinity of the bottom surface of the positioning recess 4A, and the microswitch is turned off. ing. When each sensor hole of the sheet determination unit is located at a position facing each of the sheet determination sensors P1 to P5, the plunger is not pressed and the micro switch is in the OFF state, so an OFF signal is output. On the other hand, when each sensor hole of the sheet determination unit is not located at a position facing each of the sheet determination sensors P1 to P5, the plunger is pressed and the micro switch is turned on, so an on signal is output. Accordingly, when each sheet determination sensor P1 to P5 outputs a 5-bit “0” or “1” signal and all the sheet determination sensors P1 to P5 are in the off state, that is, the roll sheet holder 3 is not mounted. In this case, a 5-bit “00000” signal is output.

In addition, a guide portion 31 is formed at the side end edge of the insertion port 26 on the holder support member 23 side to the rear end portion of the placement unit 29 substantially in the transport direction, and guides the roll sheet 3A to the insertion port 26. . Here, the inner end surface 31A (the left end surface in FIG. 6) of the guide portion 31 is located at a position facing the inner end surface of the positioning holding member 20 fitted into the holder support member 23, that is, on the same plane. Is formed. Thereby, the outer side edge portion of the roll sheet 3 </ b> A pulled out from the roll sheet holder 3 abuts on the inner end surface of the guide portion 31 and is guided to the insertion port 26.

<Internal devices such as thermal head and cutter unit>
As shown in FIG. 7, a platen roller 35 (conveying means) is rotatably supported on the inner side of the insertion port 26 in the roll sheet conveying direction. A thermal head 32 (printing means) is fixed to the upper surface of a head support member 37 that is biased upward by a pressing spring 36. Further, the rear edge portion of the head support member 37 with respect to the transport direction is supported by the back surface portion of the frame 38 so as to be swingable in the vertical direction. The inner side of the peripheral edge of the opening OP of the housing 2 that faces the side edge of the roll sheet holder housing 4 opposite to the holder support member 23 has a circular cross section and is approximately the thickness of the link lever 34. Engagement shafts 33 (see FIG. 4) formed at equal heights are provided upright. The engaging shaft 33 is fitted with a through hole 34A formed at one end edge of a link lever 34 that moves the thermal head 32 up and down, and the end edge of the link lever 34 is rotatable and detachable. (See FIG. 4). When the open / close cover 5 is opened and closed, the link lever 34 moves in the front-rear direction, and the thermal head 32 is moved up and down via the release lever 51 and the lever shaft 50 (see FIG. 6). That is, the thermal head 32 biased upward by the pressing spring 36 by pressing the lever shaft 50 accompanying the closing operation of the opening / closing cover 5 presses the roll sheet 3A against the platen roller 35 to perform printing. It becomes a state. Further, when the lever shaft 50 rotates in the direction opposite to the above in accordance with the opening operation of the opening / closing cover 5, the thermal head 32 is separated from the platen roller 35, and the roll sheet 3 A is inserted from the insertion port 26, and the platen The roller 35 and the thermal head 32 can be inserted.

  Further, a cutter unit 80 is provided on the downstream side (left side in FIG. 7) in the conveyance direction of the roll sheet 3A from the platen roller 35 and the thermal head 32. As shown in FIG. 7, the cutter unit 80 includes a fixed blade 80A and a movable blade 80B. When the above-described cut button 7B is pressed, the movable blade 80B is reciprocated in the vertical direction by a cutting motor 80C constituted by a DC motor or the like. Thereby, the roll sheet 3A after the printing by the thermal head 32 is cut to a desired length by the fixed blade 80A and the movable blade 80B, a print label is generated and discharged from the sheet discharge port 6A. The movable blade 80B is configured in a V shape when viewed from the front.

  On the other hand, a control board 40 is provided below the roll sheet holder storage portion 4 via a partition wall 39. The control board 40 is formed with a control circuit unit for driving and controlling each mechanism unit such as the thermal head 32 in response to a command from an external personal computer or the like, and electrically connected to the sheet discrimination sensors P1 to P5. ing. A power supply board 41 on which a power supply circuit unit is formed is provided below the frame 38 via a partition wall 39. The thermal head 32 is connected to a connector 44 provided on the bottom surface side of the control board 40 by a flexible flat cable (FFC) 43. And the control board 40 and the power supply board 41 are covered with the bottom cover 45 made from a thin steel plate screwed to the bottom face part.

<Detailed configuration of key top and peripheral parts>
In the above basic configuration, the feature of the present embodiment is the configuration of the key tops 7A, 7B, 7C, 7D and the peripheral components of these key tops 7A, 7B, 7C, 7D. Hereinafter, the content will be described in detail with reference to FIGS.

  As shown in FIGS. 8, 9, and 10, a circular hat type key top 7 </ b> A, 7 </ b> B, 7 </ b> C, 7 </ b> D, which will be described later, is inserted into the front cover 6 so as to be movable up and down from the back side of the front cover 6. Four openings 95A, 95B, 95C, and 95D (first opening; see also FIG. 1) are formed. Further, a circuit board 81 is fixed by screws 97 from the back side of the front cover 6 at positions adjacent to the middle of the openings 95A and 95D and the middle of the openings 95B and 95C on the back side of the front cover 6, respectively. Two columnar support projections 92A having screw holes 92a are projected.

  The circuit board 81 is provided with four push switches 82A, 82B, 82C, and 82D so as to face the four openings 95A, 95B, 95C, and 95D. Further, two openings 98, 98 (second openings) are provided at positions corresponding to, for example, two openings 95A, 95D among the four openings 95A, 95B, 95C, 95D of the front cover 6. Part; see also FIG. 1), and the two LED display parts 8, 8 are inserted and fixed from the back side of the front cover 6, respectively. Further, two LEDs (not shown) as light emitting sources are arranged on the circuit board 81 so as to face the two openings 98 and 98.

  The key top 7 </ b> A and the key top 7 </ b> D are connected to one common key attachment member 92 via substantially U-shaped connecting arms 91, 91. The key attachment member 92 has a bifurcated structure in which the key top 7 </ b> A is connected to one connecting arm 91 and the key top 7 </ b> D is connected to the other connecting arm 91. At this time, the connecting arms 91 and 91 allow the key tops 7A and 7D to move up and down by their own deformation. The key attachment member 92 functions as an operation fulcrum when each of the key top 7A and the key top 7D moves up and down (see FIG. 12 described later).

  Similarly, the key top 7 </ b> B and the key top 7 </ b> C are also connected to a common key attachment member 92 via substantially U-shaped connection arms 91, 91. The key attachment member 92 has a bifurcated structure in which the key top 7 </ b> B is connected to one connecting arm 91 and the key top 7 </ b> C is connected to the other connecting arm 91. At this time, the connecting arms 91 and 91 allow the key tops 7B and 7C to move up and down by their own deformation. The key attachment member 92 functions as an operation fulcrum when each of the key top 7B and the key top 7C moves up and down (see FIG. 12 described later).

  The two key attachment members 92 and 92 are each formed in a substantially cylindrical shape in this example, and are fitted into columnar support protrusions 92A and 92A for fixing the circuit board 81 on the back side of the front cover 6, respectively. (See FIG. 8).

  The key tops 7A, 7B, 7C, and 7D have a substantially cylindrical shape with a substantially circular cross-sectional shape, and the overall shape has a substantially circular hat shape. In addition, it is not restricted to such a shape, You may provide the cross-sectional shape of a triangle or a rectangle. Further, inside the key tops 7A, 7B, 7C, and 7D, operation protrusions for pressing the push switches 82A, 82B, 82C, and 82D of the circuit board 81 by pushing the key tops 7A, 7B, 7C, and 7D. 93 is provided (see FIGS. 10A and 10B).

  As shown in FIG. 9, the LED display parts 8, 8 are inserted into the two openings 98 from the back side of the front cover 6, and are fixed to the two tip parts of one common LED mounting member 96. It is constituted by. That is, the LED mounting member 96 is configured by connecting two colored and transparent circular covers, each having the two tip portions, connected by an arc-shaped connecting arm 96A (second connecting arm). . The connection arm 96A is curved and has substantially the same curvature as the outer periphery of the columnar support protrusion 92A for fixing the circuit board 81, and the connection arm 96A includes the key attachment member 92 and the front cover 6. And attached to the back surface of the front cover 6.

<Detailed configuration of connecting arm>
A specific configuration and function of the connecting arm 91 will be described with reference to FIGS. 11 to 13. As shown in FIGS. 11 and 12, the connecting arm 91 is connected to a hanging portion 91 </ b> A, the upper end of which is connected to the lower portion of the key tops 7 </ b> A to 7 </ b> D, and the hanging portion 91 </ b> A extends downwardly from the upper end. A curved portion 91B that is provided continuously, is bent from the hanging direction of the hanging portion 91A so as to be reversed and folded upward, and is provided continuously to the bending portion 91B and extends upward from the bending portion 91B. The upper end is composed of a base end portion 91 </ b> C fixed to the key attachment member 92. At this time, as shown in FIG. 12, the bending portion 91 </ b> B is spaced upward from the upper surface of the circuit board 81, and the key tops 7 </ b> A to 7 </ b> D are in a cantilevered state with respect to the key attachment member 92. Is retained. As a result, the key tops 7A to 7D can swing in the vertical direction with the support protrusion 92A to which the key mounting member 92 is fitted as a fulcrum.

  At this time, as shown in FIG. 12A, the key tops 7A to 7D are placed on the circuit board 81 before the heads of the key tops 7A to 7D exposed on the surface of the front cover 6 are pressed by the operator. The push switches 82A to 82D are separated from each other. Thereafter, as shown in FIG. 12B, when the heads of the key tops 7A to 7D are pressed by the operator, the key tops 7A to 7D support the supporting protrusions 92A to which the key mounting members 92 are fitted. And swings downward. As a result, the push switch 82B is pushed by the operation protrusion 93 inside the key tops 7A to 7D, and the switch is turned on.

  Further, as shown in FIG. 13 (see also FIGS. 9 and 8), a bar-shaped guide member 94A is provided on the back surface of the front cover 6 so as to guide the vertical movement of the key tops 7B and 7C. Yes. Correspondingly, at the lower ends of the key tops 7B and 7C, there are provided engaging portions 94 made up of a pair of protrusions that engage so as to sandwich the guide member 94A while allowing their own vertical movement. At this time, the guide member 94A and the connecting arm 91 (specifically, the hanging portion 91A) are provided on the opposite sides with respect to the pressing center of the key tops 7B and 7C. Specifically, the guide member 94A is configured to move the key tops 7B and 7C along a straight line L connecting the center in the width direction of the hanging portion 91A of the connecting arm 91 and the circular center of the cross-sectional shape of the key tops 7B and 7C. It is provided on the side opposite to the side to which the hanging portion 91A is connected. FIG. 13 shows the connection structure of the key tops 7B, 7C among the four key tops 7A, 7B, 7C, 7D as an example, but the connection structure of the key tops 7A, 7D is substantially the same, and is shown in the figure. The description is omitted.

  As described above, in the present embodiment, the front cover 6 is provided with the openings 95A, 95B, 95C, and 95D, and the openings 95A, 95B, 95C, and 95D are keyed from the back side of the front cover 6. Tops 7A, 7B, 7C and 7D are inserted and arranged. The key tops 7 </ b> A, 7 </ b> B, 7 </ b> C, 7 </ b> D are connected to a key attachment member 92 attached to the back surface of the front cover 6 via a connection arm 91. When the heads of the key tops 7A, 7B, 7C, 7D exposed on the surface of the front cover 6 are operated by the operator, the connecting arm 91 is bent and deformed, whereby the key tops 7A, 7B, 7C, 7D are opened. It can move up and down in the portions 95A, 95B, 95C, and 95D.

  At this time, the connecting arm 91 is bent downward from the lower part of the key tops 7A, 7B, 7C, 7D in the hanging part 91A, and is further bent so as to be folded upward in the bending part 91B. (See FIGS. 11 and 12). As described above, since the connecting arm 91 is structured to bend and deform due to the hanging-back shape from the key tops 7A, 7B, 7C, and 7D, it extends in the horizontal direction from the key tops 7A, 7B, 7C, and 7D. Compared to the conventional structure in which bending deformation is generated by the connected arm, the horizontal dimension required to obtain a predetermined amount of bending deformation for smoothly moving the key tops 7A to 7D up and down can be reduced. Therefore, even when the installation space for the key tops 7A, 7B, 7C, 7D and their peripheral parts is not so large, the size of the key tops 7A, 7B, 7C, 7D itself is limited, the key top 7A , 7B, 7C, 7D, the restriction on the parts arrangement can be reduced. As a result, the degree of freedom of layout of each component including the key tops 7A, 7B, 7C, 7D can be improved.

  That is, in the print label producing apparatus 1 that produces a print label using the roll sheet 3A, the size of the key tops 7A, 7B, 7C, and 7D itself is limited, and the components are arranged around the key tops 7A, 7B, 7C, and 7D. The degree of freedom of the layout of each part including the key tops 7A, 7B, 7C, 7D can be improved.

  In this embodiment, the key tops 7A, 7B, 7B, 7C, 7D are engaged with the guide members 94A provided on the back surface of the front cover 6 in particular. , 7C, 7D can move up and down more smoothly. Particularly at this time, the guide member 94A and the connecting arm 91 (specifically, the hanging portion 91A) are provided on the opposite sides with respect to the pressing center of the key tops 7A, 7B, 7C, 7D. , 7B, 7C, 7D can be ensured to move the key tops 7A, 7B, 7C, 7D smoothly while moving in the rotational direction.

  In the present embodiment, in particular, a plurality of key tops 7B and 7C (or key tops 7A and 7D) are supported by extending the connecting arm 91 from one common key attachment member 92, thereby supporting a plurality of key tops 7B and 7C (or key tops 7A and 7D). The number of parts and space required for installing the key tops 7A, 7B, 7C, 7D can be reduced. At that time, the LED display portions 8 and 8 provided in the plurality of openings 98 corresponding to the key tops 7A, 7B, 7C and 7D, respectively, are connected arms 96A extended from one LED mounting member 96, respectively. Supported by. Thereby, like the above, the number of parts and space required in order to install a plurality of LED display parts 8 and 8 can be reduced. Further, the single LED mounting member 96 is sandwiched and attached between the key mounting member 92 and the front cover 6, so that when the key mounting member 92 is mounted on the back surface of the front cover 6 with an appropriate mounting tool, The attachment member 96 can also be installed. Therefore, it is possible to reduce the total number of parts and the installation space necessary for installing the plurality of key tops 7A, 7B, 7C, 7D and the LED display units 8, 8, and the printed label producing apparatus. The assembly process at the time of manufacture of 1 can also be simplified.

  In the above, the present invention is applied to a print label creating apparatus that creates a print label by performing desired printing on a print-receiving tape as an electronic device, but the present invention is not limited to this. For example, other types of printing devices such as portable printers driven by battery power, printers that form images on normal printing paper such as A4, A3, B4, and B5 sizes and print characters. The present invention may be applied. Further, the present invention is not limited to a printing apparatus, and the present invention can be applied to other electronic devices as long as the key top is inserted and arranged in the opening so as to be movable up and down.

  In addition to those already described above, the above embodiments and modifications may be used in appropriate combination.

  In addition, although not illustrated one by one, the present invention is implemented with various modifications within a range not departing from the gist thereof.

1 Print label production equipment (electronic equipment)
2 Housing 3A Roll sheet (Printed medium)
5 Open / close cover (cover)
7A Power button (key top)
7B Cut button (key top)
7C Feed button (key top)
7D Other buttons (key top)
91 Connecting arm (first connecting arm)
91A Hanging part 91B Bending part 91C Base end part 92 Key attachment member 94 Engagement part 94A Guide member 95A-D Opening part (1st opening part)
96 LED mounting member 96A Connecting arm (second connecting arm)
98 opening (second opening)

Claims (2)

A cover constituting at least a part of the housing;
At least one key top that is inserted and arranged in at least one first opening provided in the cover so as to be vertically movable from the back side of the cover;
A key attachment member attached to the back surface of the cover and serving as an operation fulcrum when the key top moves up and down;
A first connecting arm that connects the key mounting member and the key top while allowing the key top to move up and down by bending deformation;
An electronic device having
The first connecting arm includes:
A drooping portion having an upper end coupled to a lower portion of the key top and extending downward from the upper end;
A curved portion that is provided continuously to the hanging portion and is curved so as to be reversed and folded upward from the hanging direction of the hanging portion;
A base end portion provided continuously with the bending portion and having an upper end extending upward from the bending portion fixed to the key attachment member ;
A guide member provided on the back surface of the cover for guiding the vertical movement of the key top;
An engaging portion that engages with the guide member while allowing the vertical movement of the key top;
With
The drooping portion and the guide member are respectively provided on opposite sides with respect to the pressing center of the key top,
A plurality of the key tops are respectively inserted and arranged in the plurality of first openings provided in the cover,
One common key attachment member is connected to each of the plurality of key tops by the plurality of first connection arms,
The width direction center of the first connecting arm, the circular center of each cross-sectional shape of the plurality of key tops, and the guide member are arranged along a radial straight line passing through the center of the key mounting member. in that electronic equipment,
A plurality of second openings provided at positions respectively corresponding to the plurality of first openings of the cover;
A plurality of LED display portions that are inserted and fixed from the back side of the cover, respectively, with respect to the plurality of second openings,
One common LED mounting member connected to each of the plurality of LED display portions by a plurality of second connection arms, and
Have
The LED attachment member is attached to the back surface of the cover so as to be sandwiched between the key attachment member and the cover.
An electronic device characterized by that . The electronic device according to claim 1 ,
A transport means for transporting the print-receiving tape and a print means for performing desired printing on the print-receiving tape transported by the transport means are provided in the casing, and a print label is created by the print-receiving tape after printing. An electronic device characterized by being a printing label producing apparatus.

Images