JPH04120051U - Platen operation positioning mechanism in printer equipment - Google Patents

Abstract

(57) [Summary] (with amendments) [Purpose] This is related to the platen operation positioning mechanism, and by opening the top of the printer, the platen can be moved to a position far away from the print head, and it can be moved inside the printer device. When the top plate of the printer is closed, the closed state and the position of the platen with respect to the print head are reliably maintained, and in addition, the printer top plate is configured to be loaded with chart paper. We aim to make this possible. [Structure] In connection with the opening/closing operation of the printer top plate, the platen is guided linearly along a plane that intersects the printing surface of the print head with the platen facing the print head. When the plate is closed, the magnetic element provided on the printer top plate via a link lever member and the printer top plate are magnetically bonded and connected so that they are in a self-retaining state, and the printer top plate is in the closed state. ensure that it is maintained.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to improving the platen mechanism in printer devices, By opening the top of the printer, the platen can be moved away from the print head. so that chart paper can be easily loaded into the printer device. It also enables accurate and reliable positioning of the platen relative to the print head. In addition, in addition, the printer device that is designed to be smaller The present invention relates to a Latin operating positioning mechanism.

0002

[Conventional technology]

As is well known, printer devices are equipped with a chart paper loading section inside the device. , the continuous chart paper loaded in the chart paper loading section is connected to the print head and the platen. (a roller that presses the chart paper toward the print head) and During the passing process, the print head prints information on the chart paper. It is designed to be printed out. Printer equipment with the above configuration When loading chart paper into the chart paper loading section, open the top of the printer. then move the platen away from the print head to follow the opening of the printer top. The chart paper loading/unloading path is opened so that chart paper can be loaded easily. be. According to the above configuration, the platen is moved each time chart paper is put in and taken out. Moreover, when printing out with a printer device, the above-mentioned Accurately and reliably position the platen in a preset position relative to the printhead. It is necessary to determine the position.

0003 A conventional printer device of this type with the above configuration has a configuration as shown in FIG. It is well known for its construction. In other words, a typical conventional printer device 31 is basically a chart paper holder that stores chart paper C and S in a freely unwindable manner. A printer body 32 including a loading section 33 and a fulcrum for the printer body 32. It is rotatably pivotally connected via a shaft 35, and is connected to the chart paper loading section 33. When loading/unloading the chart paper C/S, the chart paper loading/unloading path 36 is opened. A printer top plate 34 is provided. The printer body 32 has preset The print head 37 is attached to the fixed position via a suitable bracket member 38. It is written. The print head 37 is connected to the spring hand via the bracket member 38. It is elastically biased by step 39. On the other hand, a fulcrum for the printer body 32 The printer top plate 34, which is rotatably connected via a shaft 35, has a A platen 40 is attached along the edge 34A. The platen 40 is A platen support shaft 4 spans between both side walls 34B, 34B of the printer top plate 34. 1 is supported.

0004 In the conventional printer device 31 configured as described above, the printer body 32 is When loading and unloading chart paper C and S from the chart paper loading section 33, Open and close the printer top plate 34. In this case, the platen 40 It is attached to the linter top plate 34 at a fixed position from its fulcrum shaft 35. Therefore, in connection with the opening/closing operation of the printer top plate 34, it moves along a circular orbit and moves forward. a first position close to the print head 37 when the printer top plate 34 is closed; P1, and when the printer top plate 34 is opened, it is removed from the print head 37. A second, separated position P2 is taken. In the printer device 31 which is the conventional example described above, , the print head 37 takes a fixed position on the printer body 32. It is attached along the swinging edge 34A of the printer top plate 34, and the printer The platen 40, which moves along a circular orbit in connection with the opening/closing operation of the top plate 34, is accurately moved. In addition, in order to position the object reliably, a positioning means for that purpose is required. The follower shown in Figure 3 In the next printer device 31, the positioning means 42 A positioning shaft 43 provided on the machine body 32 allows the printer top plate 34 to be The positioning lockshaft provided on the printer top plate 34 The lock lever 45 provided on the printer body 32 is engaged with the foot 44. The printer top plate 34 is positioned by restricting its upward movement. Furthermore In addition, according to the conventional example, the print head for the printer body 32 The mounting position of 37 can be adjusted with a screw.

[0005] This conventional printer device 31 has a printer attached to a printer body 32. attached to the printer head 37 along the swinging edge 34A of the printer top plate 34. As a means for accurately and reliably positioning the platen 40, as described above, It requires a complex structure, making manufacturing and assembly work complicated. This method has problems and is subject to significant restrictions regarding miniaturization of the device.

[0006]

[Problem that the idea aims to solve]

Therefore, this idea was developed so that the top of the printer is By opening the platen, you can move the platen away from the print head. In a printer configured to load chart paper into the printer device. , when opening and closing the top of the printer, the platen faces the print head. When the top plate of the printer is closed, the condition and position of the platen relative to the printhead. In addition, the present invention aims to reduce the size of the printer device.

[0007]

[Means to solve the problem]

In order to achieve the above-mentioned purpose, this invention specifically uses chart paper. a printer body equipped with a chart paper loading section that accommodates the chart paper in a freely unwindable manner; The chart paper is rotatably and pivotally connected to the printer body. When loading and unloading chart paper into the loading section, it is opened to open the chart paper loading and unloading path. printer top plate, a print head attached to the printer body side; It is attached to the top plate of the printer, and when the top plate of the printer is closed, a first position in contact with the print head, and when the printer top plate is opened; a plastic plate assembled to assume a second position sufficiently distant from the printhead; It is equipped with ten and A chart paper is passed between the print head and the platen to The chart paper is pressed and biased toward the print head side by a Latin, and the chart paper is pressed against the print head side. When the chart paper passes through the print active surface of the print head, the print is applied onto the chart paper. In a printer device configured to print out, The platen is moved to the first position by following the opening/closing operation of the printer top plate. and the second position, close to and away from the print head. The mechanism for In combination with the platen guide means installed on the main body side, The platen support means includes a pair of pivot parts provided on the back side of the printer top plate. a pair of link lever members pivotally connected via a material; The link lever member is spanned between swinging ends of each link lever member, and rotates the platen. and a platen shaft that can support the The platen guide means is provided on a side plate of the printer body, and the platen guide means is provided on a side plate of the printer body, and It is equipped with a pair of guide grooves that accept the end of the platen shaft, The platen is moved to the first position by following the opening/closing operation of the printer top plate. and the second position, intersecting the printing active surface of the printhead. Can be moved linearly along a surface, At least one of the pair of link lever members faces toward the top plate of the printer. A protruding portion that extends over a long distance is provided, and a magnetic element is attached to the protruding portion. When the printer top plate is closed, the printer top plate and the magnetic element are magnetically connected. are connected to each other to maintain the closed state of the printer top plate, and to maintain the closed state of the printer top plate. In the printer device, the Latin is positioned relative to the print head. This constitutes a platen operation and positioning mechanism.

[0008]

[Explanation of Examples]

Below, we will explain the platen operation and positioning mechanism of this printer device. The present invention will now be described in detail based on specific embodiments shown in the drawings. Figure 1 shows the platen operation and positioning mechanism in the printer device of this invention. The basic configuration is shown in a schematic side view. In the example shown in this figure, the printer The starter device 1 is basically a chart that stores chart paper C and S in a freely unwindable manner. A printer body 2 equipped with a paper loading section 3, and a fulcrum for the printer body 2. It is rotatably and pivotally connected via a shaft 5, and is connected to the chart paper loading section 3. A printer that is opened to open chart paper loading/unloading path 6 when loading/unloading chart paper. It is equipped with a top plate 4. In this invention, the printer top plate 4 is In relation to the magnet element, magnetic material is used as a part of magnetic material or non-magnetic material. It is made up of a structure made by pasting together. In the printer body 2, , the print head 7 is attached to a preset position via a suitable bracket member 8. It is attached. The print head 7 is connected to the spring hand via the bracket member 8. It is elastically biased by stage 9. On the other hand, the fulcrum shaft 5 A platen 10 is attached to the printer top plate 4 which is rotatably connected via a It is attached.

[0009] According to the platen operation positioning mechanism in the printer device devised, The platen 10 is moved to the first position by following the opening/closing operation of the printer top plate 4. between P1 and second position P2, close to and far from the print head 7; For the purpose of , and a platen guide means 12 provided on the printer body 2 side. The platen support means 11 is installed at an intermediate portion of the back side 4a of the printer top plate 4. A pair of link levers pivotally connected via a pair of girder pivot members 13, 13. members 14, 14 and swing ends 14A, 14A of each of the link lever members 14, 14; a platen shaft 15 that spans between the two and rotatably supports the platen 10; It consists of the following. On the other hand, on the other hand, the platen guide means 1 2 is provided on the side plates 2A, 2A of the printer body 2, and is connected to the platen. From those equipped with a pair of guide grooves 16, 16 for receiving and guiding the end of the shaft 15. It has become.

0010 Furthermore, the platen operation positioning mechanism of the printer device devised According to the above, when the printer top plate 4 is closed, the closed state of the printer top plate 4, the and to ensure that the position of the platen 10 relative to the print head 7 is maintained. A platen positioning means 17 is provided. In the embodiment shown in the figure, the platen The positioning means 17 is configured to adjust the length of the pair of link lever members 14, 14. A protrusion 18 is provided at the middle part in the width direction and extends toward the printer top plate 4 side. A sheet-like magnetic element 19 is attached to the protrusion 18. It is becoming more and more. According to the platen positioning means 17 configured as described above, the printer When the printer top plate 4 is closed, the printer top plate 4 and the magnetic element 19 are magnetically connected and connected, and the printer top plate 4 and the pair of link lever members 14 and 14 cooperate with each other to maintain a self-holding state with each other, and the printer While reliably maintaining the closed state of the plate 4, the platen 10 is To ensure that the head 7 is maintained in the correct position relative to the head 7.

[0011] In the printer device 1 configured as described above, the charger in the printer body 2 is When loading and unloading chart paper C/S from the chart paper loading section 3, the printer Open and close the top plate 4. In this case, the platen 10 is connected to the printer top plate 4. When the print head 7 is closed, as shown by the solid line in FIG. When the printer top plate 4 is opened, taking the first position P1 where they face each other and are in contact with each other, As shown in phantom in FIG. takes position P2. In the above configuration, in this invention, the printer top plate 4 is Link levers 14, 14, which support the platen 10 in connection with opening/closing operations, The guide provided on the side plates 2A, 2A of the printer body 2 is connected to the side plate 2A of the printer body 2 via the platen shaft 15. The platen 10 is placed against the print head 7 under the control of the print grooves 16, 16. In a state in which the printer faces the linearly guided along a plane intersecting the printing surface 7a of the print head 7; When the printer top plate 4 is closed, the printer top plate 4 and the magnet element are The printer top plate 4 is magnetically connected to the child 19 to ensure that the printer top plate 4 is kept in a closed state. and positioning of the platen 10 with respect to the print head 7. It can be done accurately and reliably.

0012

[Effect of the idea]

Platen actuated positioning machine in the printer device of this invention having the above configuration The structure is extremely simple, easy to manufacture and assemble, and suitable for mass production. In this respect, it is considered to be extremely advantageous economically. I can say that. Furthermore, the platen operation positioning in the printer device devised is The mechanism moves linearly with the platen facing the print head. In addition, when the printer top plate is closed, the printer top plate The plate and the magnetic element are magnetically bonded and connected, and the printer top plate is closed. position of the platen relative to the print head. Related to accurate and reliable positioning and opening/closing operations of the printer top plate The main component for moving the platen is located on the back side of the printer top plate. Regarding the miniaturization of printer devices, in that they are centrally installed using It can be said that it works extremely effectively.

[Brief explanation of drawings]

FIG. 1 is a schematic side view showing a specific embodiment of a platen operation and positioning mechanism in a printer device according to the present invention.

FIG. 2 is a partially enlarged side sectional view of the platen operation and positioning mechanism in the printer device according to the present invention.

FIG. 3 is a schematic side view showing a specific example of a platen actuation and positioning mechanism in a conventional printer device.

[Explanation of symbols]

1 Printer device 2 Printer body 3 Chart paper loading section 4 Printer top plate 5 Fulcrum axis 6 Chart paper loading/unloading path 7 Print head 8 Bracket member 10 Platen 11 Platen support means 12 Platen guide means 13 Axis member 14 Link lever member 15 Platen axis 16 Guide groove 17 Platen positioning means 19 Magnet element

Claims (1)

[Scope of utility model registration request] Claims: 1. A printer body including a chart paper loading section for freely unwinding and accommodating chart paper, and a printer body rotatably pivotally connected to the printer body, and a chart paper loading section for loading chart paper into the chart paper loading section. A printer top plate that is opened to open a chart paper loading/unloading path when paper is taken in and out, a print head attached to the printer body side, and a print head attached to the printer top plate side,
a platen assembled to assume a first position in contact with the print head when the printer top is closed and a second position sufficiently distant from the print head when the printer top is opened; , a chart paper is passed between the print head and the platen, the chart paper is pressed and biased by the platen toward the print head, and when the chart paper passes the printing surface of the print head; , in the printer device configured to print out on the chart paper, the platen is moved between the first position and the second position by following the opening/closing operation of the printer top plate, and the print head is moved between the first position and the second position. A mechanism for moving the printer toward and away from the printer is a combination of a platen support means provided on the top plate of the printer and a platen guide means provided on the printer body, and the platen support means A pair of link lever members pivotally connected via a pair of pivot members provided on the back side of the top plate and a swinging end of each of the link lever members are spanned between, and the platen can be rotated. the platen guide means is provided on a side plate of the printer body and includes a pair of guide grooves for receiving the end portions of the platen shaft; capable of moving linearly between the first position and the second position along a plane that intersects with the printing operation surface of the print head, following the opening and closing operation of the printer top plate; At least one of the pair of link lever members is provided with a protrusion extending toward the printer top plate, and a magnetic element is attached to the protrusion, so that when the printer top plate is closed, the printer top plate and the printer top plate are connected to each other. A platen operation and positioning mechanism for a printer apparatus, characterized in that the platen is magnetically connected to a magnet element to maintain the printer top plate in a closed state and to position the platen with respect to the print head.