JP2013237504A - Roll paper storing structure in on-vehicle printer device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roll paper storing structure in an in-vehicle printer device which can realize a thinner in-vehicle printer device by reducing the height of the device around space for storing roll papers in the in-vehicle printer device.SOLUTION: In an in-vehicle printer device 1, a lower case 6 having a roll paper placement face 65 on which a roll paper 5 is placed is an integral molded article formed with a synthetic resin or a metal, the roll paper placement face 65 is a concave circular face formed by forming a recess on a bottom wall 61 of the lower case 6, an outer face opposite to the roll paper placement face 65 of the bottom wall 61 is flat, and a thickness of the same is set so that a thickness at a deepest portion 65a of the roll paper placement face 65 is smaller than a thickness in a wall portion of an outer perimeter of the roll paper placement face 65.

Description

  The present invention relates to a roll paper storage structure in an in-vehicle printer device.

  4 and 5 show a conventional example of an in-vehicle printer device mounted on a vehicle for issuing usage details such as a highway or a fare receipt, for example.

This in-vehicle printer device is disclosed in Patent Document 1 below.
The in-vehicle printer device 100 includes a case main body 110, a roll paper receiving substrate 120 incorporating a printer head, a control unit 130, an opening / closing cover 140, and a roll paper 150.

  The case main body 110 has a bottomed box structure having an opening 112 on the upper end on one end side (left end side in FIG. 4). The case main body 110 has a bottom wall 114, a side wall 115, and the like formed with a substantially constant thickness to ensure strength as a casing.

  The roll paper receiving substrate 120 has a substantially flat plate shape and is mounted on the bottom wall 114 of the case main body 110 in a surface contact state. Although not shown, the roll paper receiving substrate 120 includes a thermal print head on the surface portion of the one end side 121 facing the opening 112.

  The control unit 130 is mounted on the other end side of the roll paper receiving substrate 120. The control unit 130 controls the operation of the print head and the operation of the transport roller 160 that sends the roll paper 150 to the print head.

  A roll paper mounting table 170 is provided in the case main body 110 so as to protrude above the roll paper receiving substrate 120. The roll paper placement table 170 has a roll paper placement surface 171 toward the opening 112. The roll paper placement surface 171 is a concave arc surface having a radius of curvature slightly larger than the maximum radius of the roll paper 150, and is formed concave on the opening 112 side.

  The opening / closing cover 140 covers the opening 112 of the case body 110 so that the opening / closing is possible. The opening / closing cover 140 has a base end side (right end side in FIG. 5) coupled to the case main body 110 by a hinge shaft 141 so as to be rotatable. The opening / closing cover 140 opens and closes the opening 112 by a rotating operation with the hinge shaft 141 as a fulcrum.

  When the open / close cover 140 is closed, a roll paper accommodation space 181 is defined between the open / close cover 140 and the roll paper placement surface 171 of the roll paper placement table 170. The roll paper storage space 181 is a space for storing and holding the roll paper 150 in a rotatable manner.

  A discharge port 183 for discharging the printed roll paper is provided between the front end (left end in FIG. 5) 143 of the opening / closing cover 140 and the upper edge 116 of the side wall of the case body 110 facing the front end 143. Is done.

  The roll paper 150 is a printing paper obtained by winding a long belt-like thermal paper in a roll shape. The roll paper 150 is stored in the roll paper storage space 181. The roll paper 150 accommodated in the roll paper accommodation space 181 is loaded into the case main body 110 so that the leading end passes over the print head on the roll paper receiving substrate 120 and is discharged to the discharge port 183.

  The transport roller 160 is provided at a position near the front end 143 of the opening / closing cover 140. The transport roller 160 presses the roll paper 150 against the roll paper receiving substrate 120 when the open / close cover 140 is closed. Further, the transport roller 160 is driven to rotate by the control unit 130 to feed the roll paper 150 at a predetermined transport speed.

Japanese Patent Laid-Open No. 2001-27896

  However, in the in-vehicle printer device 100 of Patent Document 1, the roll paper placement table 170 that provides the roll paper placement surface 171 is separate from the bottom wall 114 of the case main body 110. Therefore, between the roll paper 150 accommodated in the case main body 110 and the bottom wall 114, the roll paper mounting table 170, the roll paper receiving board 120, the roll paper mounting board 170, and the roll paper receiving board, which are separate members, are provided. It is a structure in which a gap with 120 is interposed.

  Therefore, as shown in FIG. 5, the height dimension h1 from the deepest part of the roll paper placement surface 171 to the outer surface of the bottom wall 114 of the case main body 110 is considerably large. As a result, The apparatus height h2 around the roll paper storage space 181 is increased.

  In a vehicle, it is not easy to secure a large installation space, and an increase in the device height h2 in the in-vehicle printer device 100 causes a restriction on an attachment location, and it is difficult to easily install the in-vehicle printer device in a location where it can be easily operated. Invited a serious problem.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-described problems, and to reduce the height of the device around the roll paper accommodation space in the in-vehicle printer device and to reduce the thickness of the in-vehicle printer device. Is to provide a roll paper storage structure.

The above-described object of the present invention is achieved by the following configuration.
(1) A lower case in which a roll paper placement surface formed on a concave arc surface having a radius of curvature slightly larger than the maximum radius of the roll paper is provided adjacent to the printer unit housing portion, and the roll paper placement surface A roll paper storage structure in an in-vehicle printer device comprising: an open / close cover that covers a top of the roll paper so as to be openable and closable and defines a roll paper storage space between the roll paper placement surface,
The lower case is an integrally molded product made of synthetic resin or metal,
The roll paper placement surface is a concave arc surface formed to be recessed in the bottom wall itself of the lower case,
The bottom wall has a flat outer surface opposite to the roll paper placement surface, and the thickness of the deepest portion of the roll paper placement surface is the wall thickness of the outer circumference of the roll paper placement surface. A roll paper storage structure in an in-vehicle printer device, wherein the thickness is set so as to be thinner.

(2) The opening / closing cover is pivotally connected to the lower case at one end portion located on the side away from the printer unit housing portion, and on the other end edge located on the printer unit housing portion side, A platen roller that forms a printing unit between the printer unit housing unit and the printer unit is provided,
(1) The discharge port for discharging the printed roll paper is disposed between the other end edge of the opening / closing cover and the main body cover covering the printer unit housing portion. Roll paper storage structure in an in-vehicle printer apparatus.

  According to the configuration of (1) above, the roll paper placement surface is formed on the bottom wall itself of the lower case. Therefore, no other member is interposed between the roll paper accommodated in the lower case and the bottom wall of the lower case. In addition, the bottom wall of the lower case has a flat outer surface opposite to the roll paper placement surface, and the thickness of the deepest portion of the roll paper placement surface is the wall thickness of the outer circumference of the roll paper placement surface. The wall thickness is set so as to be thinner than the thickness.

  Therefore, compared with the conventional in-vehicle printer device in which other members are interposed between the roll paper and the bottom wall of the case body, the height from the deepest part of the roll paper placement surface to the outer surface of the bottom wall of the lower case is high. The height dimension H1 can be greatly reduced. Accordingly, it is possible to reduce the height of the apparatus with the apparatus height H2 around the roll paper storage space being reduced, and to reduce the thickness of the in-vehicle printer apparatus.

  Accordingly, it is easy to secure an installation space for the in-vehicle printer device in the vehicle, and the in-vehicle printer device can be easily attached.

  In addition, the thickness at the deepest part of the roll paper mounting surface is reduced from the surroundings with the aim of reducing the height of the apparatus, but the roll paper mounting surface is a recess formed in the bottom wall itself of the lower case. Since it is an arc surface, it is easy to disperse the load acting on the roll paper placement surface from roll paper or the like over a wide area of the bottom wall, and it is possible to suppress a decrease in strength due to thinning.

  According to the configuration of (2) above, the opening / closing cover that covers the roll paper placed on the roll paper placement surface has the platen roller disposed at the other end edge located on the printer unit housing portion side. In addition, a roll paper discharge port is disposed between the main body cover that covers the printer unit housing portion and the other end edge of the open / close cover.

  In other words, the platen roller and the discharge port have a high-density mounting structure in which the platen roller and the discharge port are arranged in the vicinity of the printer unit arranged in the printer unit storage unit, and the apparatus length along the direction in which the printer unit and roll paper are arranged can be shortened. It is possible to reduce the size of the in-vehicle printer device.

  According to the roll paper storage structure in the in-vehicle printer device according to the present invention, the roll paper placement surface is formed on the bottom wall itself of the lower case, and other members are interposed between the roll paper and the bottom wall of the lower case. do not do. Moreover, the bottom wall of the lower case is set so that the thickness at the deepest portion of the roll paper placement surface is thinner than the wall thickness at the outer periphery of the roll paper placement surface. .

  Therefore, compared with the conventional in-vehicle printer device in which other members are interposed between the roll paper and the bottom wall of the lower case, the height from the deepest part of the roll paper placement surface to the outer surface of the bottom wall of the lower case is high. The size can be greatly reduced. Therefore, it is possible to reduce the height of the apparatus around the roll paper storage space and to reduce the thickness of the in-vehicle printer.

  Accordingly, it is easy to secure an installation space for the in-vehicle printer device in the vehicle, and the in-vehicle printer device can be easily attached.

  In addition, the thickness at the deepest part of the roll paper mounting surface is reduced from the surroundings with the aim of reducing the height of the apparatus, but the roll paper mounting surface is a recess formed in the bottom wall itself of the lower case. Since it is an arc surface, it is easy to disperse the load acting on the roll paper placement surface from roll paper or the like over a wide area of the bottom wall, and it is possible to suppress a decrease in strength due to thinning.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

1 is a plan view of an embodiment of an in-vehicle printer device that employs a roll paper storage structure according to the present invention. It is AA sectional drawing of FIG. It is sectional drawing of the state which opened the opening-and-closing cover of FIG. It is a longitudinal cross-sectional view of a state in which an open / close cover is opened in a conventional in-vehicle printer device. It is a longitudinal cross-sectional view of the state which closed the opening / closing cover of the vehicle-mounted printer apparatus shown in FIG.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a roll paper storage structure in an in-vehicle printer device according to the present invention will be described in detail with reference to the drawings.

  1 to 3 show an embodiment of a roll paper storage structure in an in-vehicle printer apparatus according to the present invention. FIG. 1 is a plan view of an embodiment of an in-vehicle printer apparatus adopting the roll paper storage structure. 2 is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 3 is a cross-sectional view in a state where the opening / closing cover of FIG.

  The roll paper storage structure in the in-vehicle printer device of this embodiment is a device that reduces the device height H2 around the roll paper storage space 81 for storing the roll paper 5 in the in-vehicle printer device 1 shown in FIGS. Therefore, the in-vehicle printer device is made thinner.

  As shown in FIG. 1, the illustrated in-vehicle printer device 1 includes a display unit 2, an operation unit 3, and a printer unit 4.

  The display unit 2 uses a liquid crystal panel or the like, and displays print contents, operation procedures, and the like.

  The operation unit 3 includes a plurality of operation keys 3a to 3e, and presses these operation keys 3a to 3e to instruct print contents.

  The printer unit 4 of the present embodiment is a thermal printer that performs printing on thermal paper. As shown in FIGS. 2 and 3, the printer unit 4 accommodates roll paper 5 that is thermal paper, and prints the content instructed by operating the operation keys 3 a to 3 e on the roll paper 5.

  As shown in FIGS. 2 and 3, the printer unit 4 includes a roll paper 5, a lower case 6, a printer unit 7, an opening / closing cover 8, and a main body cover 9.

  The roll paper 5 is a printing paper obtained by winding a strip-like long thermal paper in a roll shape.

  The lower case 6 is an integrally molded product made of synthetic resin or metal, and is a box whose upper side (right side in FIGS. 2 and 3) is opened by a bottom wall 61 and a side wall 62 standing around the bottom wall 61. The mold is formed. On the bottom wall 61, a printer unit accommodating portion 64 and a roll paper placing surface 65 are provided.

  The printer unit housing portion 64 is a part that houses the printer unit 7. In the case of this embodiment, first, the control board 71 is attached to the bottom wall 61 side of the printer unit housing portion 64, and the printer unit 7 is assembled on the control board 71. The printer unit 7 will be described later.

  The roll paper placement surface 65 is provided on the bottom wall 61 adjacent to the printer unit housing portion 64. The roll paper placement surface 65 is a concave arc surface formed to be recessed in the bottom wall 61 itself of the lower case 6. The roll paper placement surface 65 is formed into a concave arc surface having a radius of curvature slightly larger than the maximum radius of the roll paper.

  Further, as shown in FIG. 2, the bottom wall 61 has a flat outer surface opposite to the roll paper placement surface 65. Further, the bottom wall 61 in the present embodiment is such that the thickness at the deepest portion of the roll paper placement surface 65 is thinner than the thickness of the walls 61 a and 62 a in the outer periphery of the roll paper placement surface 65. The wall thickness is set.

  The printer unit 7 incorporates a thermal print head, and is mounted on the control board 71 with the print head facing a roll paper accommodation space 81 described later.

  Various electronic elements and circuit patterns for controlling the operation of the printer unit 7 are formed on the control board 71.

  The open / close cover 8 covers the upper side of the roll paper placement surface 65 so as to be openable and closable, and defines a roll paper accommodation space 81 between the roll paper placement surface 65. The opening / closing cover 8 is connected to the lower case 6 so that the one end 8a side located on the side away from the printer unit accommodating portion 64 (the upper side in FIG. 2) can turn. The open / close cover 8 is a platen that forms a printing portion between the printer unit 7 of the printer unit housing portion 64 and the other end edge 8b located on the printer unit housing portion 64 side (lower side in FIG. 2). A roller 73 is provided.

  The platen roller 73 feeds the roll paper end 5a fed from the roll paper 5 main body at a predetermined speed in a state where the roll paper end 5a is pressed against the print head, thereby enabling printing processing by the print head.

The main body cover 9 is a cover that covers the top of the printer unit housing portion 64.
In the case of the present embodiment, as shown in FIG. 2, a discharge port 91 for discharging the printed roll paper end 5 a is disposed between the other end edge 8 b of the opening / closing cover 8 and the main body cover 9.

  In the roll paper storage structure in the in-vehicle printer device 1 according to the embodiment described above, the roll paper placement surface 65 is formed on the bottom wall 61 itself of the lower case 6. Therefore, no other member is interposed between the roll paper accommodated in the lower case 6 and the bottom wall 61 of the lower case 6. Moreover, the bottom wall 61 of the lower case 6 has a flat outer surface opposite to the roll paper placement surface 65, and the thickness of the deepest portion 65 a of the roll paper placement surface 65 is outside the roll paper placement surface 65. The wall thickness is set so as to be thinner than the wall of the surrounding wall.

  Therefore, as compared with the conventional in-vehicle printer device in which other members are interposed between the roll paper and the bottom wall of the case body, as shown in FIG. The height dimension H1 to the outer surface of the bottom wall 61 of the case 6 can be significantly reduced.

  Therefore, as shown in FIG. 2, the in-vehicle printer device 1 can be thinned by realizing a reduction in the height of the device in which the device height H <b> 2 around the roll paper accommodation space 81 is reduced.

  Therefore, it is easy to secure the installation space for the in-vehicle printer device 1 in the vehicle, and the in-vehicle printer device 1 can be easily attached.

  Further, the thickness of the deepest portion 65a of the roll paper placement surface 65 is reduced from the surroundings in order to reduce the height of the apparatus, but the roll paper placement surface 65 is recessed in the bottom wall 61 of the lower case 6 itself. Therefore, the load acting on the roll paper placement surface 65 from the roll paper 5 or the like can be easily distributed over a wide area of the bottom wall 61, and the strength reduction due to the thinning can be suppressed.

  In the roll paper storage structure in the in-vehicle printer device 1 according to the embodiment described above, the opening / closing cover 8 that covers the roll paper 5 placed on the roll paper placement surface 65 is provided on the printer unit accommodation section 64 side. A platen roller 73 is disposed on the other end edge 8b located at the position. Further, a discharge port 91 for the roll paper 5 is disposed between the main body cover 9 covering the top of the printer unit housing portion 64 and the other end edge 8 b of the opening / closing cover 8.

  That is, the platen roller 73 and the discharge port 91 have a high-density mounting structure in which the platen roller 73 and the discharge port 91 are disposed in the vicinity of the printer unit 7 disposed in the storage unit of the printer unit 7, and as shown in FIG. The apparatus length L along the direction in which 5 is arranged can also be shortened, and downsizing of the in-vehicle printer apparatus can be thoroughly achieved.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

DESCRIPTION OF SYMBOLS 1 In-vehicle printer apparatus 5 Roll paper 6 Lower case 7 Printer unit 8 Opening / closing cover 8b Other end edge 9 Main body cover 61 Bottom wall 64 Printer unit accommodating part 65 Roll paper mounting surface 65a Deepest part 73 Platen roller 81 Roll paper accommodating space 91 Exhaust Exit

Claims (2)

A lower case in which a roll paper placing surface formed on a concave arc surface having a radius of curvature slightly larger than the maximum radius of the roll paper is provided adjacent to the printer unit housing portion, and an upper portion of the roll paper placing surface. A roll paper storage structure in an in-vehicle printer device comprising: an open / close cover that covers the roll paper placement surface so as to be openable and closable and defines a roll paper storage space;
The lower case is an integrally molded product made of synthetic resin or metal,
The roll paper placement surface is a concave arc surface formed to be recessed in the bottom wall itself of the lower case,
The bottom wall has a flat outer surface opposite to the roll paper placement surface, and the thickness of the deepest portion of the roll paper placement surface is the wall thickness of the outer circumference of the roll paper placement surface. A roll paper storage structure in an in-vehicle printer device, wherein the thickness is set so as to be thinner. The opening / closing cover is pivotally connected to the lower case at one end located on the side away from the printer unit accommodating portion, and at the other end edge located on the printer unit accommodating portion side. A platen roller that forms a printing unit with the printer unit of the printing unit,
The discharge port for discharging the printed roll paper is disposed between the other end edge of the opening / closing cover and a main body cover that covers the printer unit housing portion. Roll paper storage structure in in-vehicle printer device.

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