JP2017149083A - Recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording device excellent in operability and design properties while reducing the possibility that a user touches an opening/closing sensor of a reading mechanism section in the recording device comprising the reading mechanism section opening/closing a top surface of the recording mechanism section.SOLUTION: A recording device comprises: a recording mechanism section 15 performing recording onto a sheet P; a reading mechanism section 3 opening/closing an upper portion of the recording mechanism section 15 by rotating with respect to the recording mechanism section 15 at the upper portion of the recording mechanism section 15, and reading out a manuscript; a first coupling section 35 and a second coupling section 36 coupling the reading mechanism section 3 to the recording mechanism section 15 in a rotatable manner; and detection means 54 detecting an opened/closed state of the reading mechanism section 3. The detection means 54 is constituted so as to comprise: a portion to be detected 62 provided on the recording mechanism section 15; and a sensor 59 being provided at least any of the first coupling section 35 and the second coupling section 36 of the reading mechanism section and detecting the portion to be detected 62.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a recording apparatus including a recording mechanism unit that performs recording on a recording medium and a reading mechanism unit that reads a document.

  A recording apparatus that performs recording on a recording medium integrally includes a recording mechanism unit that records on a recording medium and a reading mechanism unit that reads a document, and the reading mechanism unit is disposed above the recording mechanism unit. In addition, there is a configuration that can be rotated and opened with respect to the upper portion of the recording mechanism.

  In such a recording apparatus, an open / close sensor that detects an open / closed state of the reading mechanism unit is provided in order to prevent a printing operation in the recording mechanism unit from being performed while the reading mechanism unit is in an open state. There are cases (Patent Document 1).

For example, in Patent Document 1, a detection unit 4 (opening / closing sensor) is provided on the upper surface side of the casing 11 of the printer unit 2 (recording mechanism unit), and is projected downward on the lower surface of the scanner unit 3 (reading mechanism unit). When the first pressing part 34 is inserted into the detection part 4 and detected, the scanner part 3 is determined to be in a closed state, and the first pressing part 34 is separated from the detection part 4 and becomes a non-detection state. In addition, it is configured to determine that the scanner unit 3 is in the open state.

Japanese Patent No. 4857863

Here, in the printer of Patent Document 1, when the hinge portion of the scanner unit 3 to be opened / closed is the rear side of the device, the detection unit 4 as the open / close sensor is on the front side of the device (separated from the hinge portion of the scanner unit 3 to be opened / closed) Provided on the front end side). If the detection unit 4 is on the front side of the apparatus, the user can easily access the open / close sensor, and there is an increased possibility that the detection unit 4 will be defective.

  Accordingly, an object of the present invention is to provide a recording apparatus that can reduce the possibility of a user touching the open / close sensor.

  In order to solve the above problems, a recording apparatus according to a first aspect of the present invention includes a recording mechanism unit including a recording unit that performs recording on a recording medium, and the recording mechanism unit above the recording mechanism unit. A reading mechanism unit that reads and opens a document that opens and closes an upper portion of the recording mechanism unit by rotating, a first coupling unit that couples the reading mechanism unit to the recording mechanism unit, and a second coupling unit. And a detecting unit that detects an open / closed state of the reading mechanism unit, wherein the detecting unit includes a detected unit provided in the recording mechanism unit, the first connecting unit of the reading mechanism unit, and And a sensor that is provided in at least one of the second coupling parts and detects the detected part.

  According to this aspect, since the sensor that constitutes the detection unit that detects the open / closed state of the reading mechanism unit is disposed in at least one of the first coupling unit and the second coupling unit, the sensor It is possible to suppress or avoid the possibility of the user touching the screen.

  The recording apparatus according to a second aspect of the present invention is the recording apparatus according to the first aspect, wherein the mechanism unit body constituting the recording mechanism unit includes a substrate for connecting wiring from the sensor, and the sensor includes the first unit. Of the connecting portion and the second connecting portion, the second connecting portion is provided on the side close to the substrate.

  According to this aspect, since the sensor is provided in the connecting portion close to the substrate to which the wiring from the sensor is connected, the length of the wiring can be shortened. Further, the wiring can be easily connected to the substrate.

  The recording apparatus according to a third aspect of the present invention is the recording apparatus according to the first aspect or the second aspect, wherein the sensor rotates the reading mechanism unit among the first connection unit and the second connection unit. In the direction along the axis, it is provided on the side closer to the center of gravity of the reading mechanism.

  According to this aspect, the open / closed state of the reading mechanism unit with respect to the upper part of the recording mechanism unit can be detected with higher accuracy.

  A recording apparatus according to a fourth aspect of the present invention is the recording apparatus according to any one of the first aspect to the third aspect, wherein the reading mechanism section is provided in any one of the first coupling section and the second coupling section. A damper mechanism is provided for applying a load to the closing operation of the first and second sensors, and the sensor is provided on a side of the first connecting portion and the second connecting portion on which the damper mechanism is provided. To do.

  According to this aspect, the open / closed state of the reading mechanism unit with respect to the upper part of the recording mechanism unit can be detected with higher accuracy.

  The recording apparatus according to a fifth aspect of the present invention is the recording apparatus according to any one of the first to fourth aspects, wherein the detected part is a protrusion protruding toward the reading mechanism part in the recording mechanism part. It is characterized by being.

  According to this aspect, the structure of the detected portion can be simplified and configured at low cost.

  The recording apparatus according to a sixth aspect of the present invention is the recording apparatus according to the fifth aspect, wherein the sensor is in a position hidden inside the casing of the reading mechanism unit and receives the protrusion in the casing. However, this is characterized in that it opens downward.

  According to this aspect, easy access to the sensor can be more reliably suppressed.

1 is an external perspective view of a printer according to the present invention. FIG. 3 is an external perspective view illustrating a state in which a manual cover is opened in the printer according to the invention. FIG. 3 is a perspective view illustrating a state in which the reading mechanism unit is opened in the printer according to the invention. FIG. 4 is a diagram illustrating a paper conveyance path of the printer according to the invention. The top view of a reading mechanism part. The top view which shows the state which removed the cover in the reading mechanism part. The perspective view which shows the state which removed the original stand in the reading mechanism part. The bottom view of a reading mechanism part. The principal part enlarged view of FIG. The principal part enlarged view of FIG. The figure which shows the state which removed the housing | casing of the reading mechanism part in FIG. The side view which shows the state which the reading mechanism part opened. The side view which shows the state which the reading mechanism part closed. The principal part schematic sectional drawing in the state in which the reading mechanism part was closed. The figure which shows the state which removed the upper surface part of the recording mechanism part in FIG. The side view which shows the damper mechanism in the state which the reading mechanism part opened. The side view which shows the damper mechanism in the state in which the reading mechanism part was closed. The figure which shows the state which removed the board | substrate in FIG. FIG. 19 is an XZ plane sectional view in the vicinity of the first gear in FIG. 18.

[Example 1]
First, an outline of a recording apparatus according to an embodiment of the present invention will be described. In this embodiment, an ink jet printer (hereinafter simply referred to as a printer) is taken as an example of a recording apparatus.
FIG. 1 is an external perspective view of a printer according to the present invention. FIG. 2 is an external perspective view showing a state in which the manual cover is opened in the printer according to the present invention. FIG. 3 is a perspective view showing a state in which the reading mechanism unit is opened in the printer according to the present invention. FIG. 4 is a diagram showing a paper conveyance path of the printer according to the present invention. FIG. 5 is a plan view of the reading mechanism unit. FIG. 6 is a plan view showing a state where the cover is removed from the reading mechanism section. FIG. 7 is a perspective view showing a state in which the document table is removed from the reading mechanism unit. FIG. 8 is a bottom view of the reading mechanism unit. FIG. 9 is an enlarged view of a main part of FIG.

  FIG. 10 is an enlarged view of a main part of FIG. FIG. 11 is a diagram illustrating a state where the housing of the reading mechanism unit is removed in FIG. 10. FIG. 12 is a side view showing a state in which the reading mechanism unit is opened. FIG. 13 is a side view showing a state in which the reading mechanism unit is closed. FIG. 14 is a schematic cross-sectional view of a main part in a state where the reading mechanism unit is closed. FIG. 15 is a diagram illustrating a state in which the upper surface portion of the recording mechanism unit is removed in FIG. 10. FIG. 16 is a side view showing the damper mechanism in a state where the reading mechanism unit is open. FIG. 17 is a side view showing the damper mechanism in a state where the reading mechanism unit is closed. FIG. 18 is a diagram showing a state where the substrate is removed from FIG. FIG. 19 is an XZ plane sectional view of the vicinity of the first gear in FIG.

<About the overall configuration of the printer>
The overall configuration of the printer 1 will be outlined below.
The printer 1 (FIG. 1) according to the present invention includes a recording unit (recording head 30, which will be described later, see FIG. 4) that performs inkjet recording on a sheet as an example of a recording medium in a recording mechanism main body 2. A recording mechanism section 15 and a reading mechanism section 3 (FIG. 3) that is provided above the recording mechanism section main body 2 and reads a document. In other words, the printer 1 is configured as a multifunction machine having a scanner function in addition to the ink jet recording function. FIG. 3 shows a state in which the exterior of the side surface of the recording mechanism unit 15 is removed from the printer 1.

In the XYZ coordinate system shown in each figure, the X direction is the scanning direction of the recording head, and the Y direction is the apparatus depth direction. The Z direction is the direction of gravity and indicates the device height direction. Further, the + Y direction side is the front side of the apparatus, and the −Y direction side is the back side of the apparatus. Also, the right side when viewed from the front side of the apparatus is the + X direction, and the left side is the −X direction. Further, the + Z direction is the upper side of the apparatus (including the upper and upper surfaces), and the −Z direction side is the lower side of the apparatus (including the lower and lower surfaces).
In the following, the conveyance direction (+ Y direction side) in which the paper is conveyed in the printer 1 is referred to as “downstream”, and the opposite direction (−Y direction side) is referred to as “upstream”.

The reading mechanism unit 3 (FIG. 3) is provided so as to be rotatable with respect to the recording mechanism unit main body 2 of the recording mechanism unit 15, and by rotating, the upper part of the recording mechanism unit 15 is closed (FIG. 3). 1) and open state (FIG. 3). The configuration of the reading mechanism unit 3 will be described in detail later.
The reading mechanism unit 3 is provided with an openable / closable cover 4 (FIG. 5) at the top thereof, and the cover 4 is configured to open and close the document table 3a (FIG. 4). The cover 4 is provided with a document pressing mat (not shown). When the cover 4 is closed, the document placed on the document table 3a is pressed by the document pressing mat, and the surface to be read is It comes in close contact with the document table 3a.

  Reference numeral 5 on the front side of the printer 1 in FIG. 1 is an operation panel including a power button, operation buttons for performing various print settings / recording execution, a display unit for displaying print setting contents and print image previews, and the like. is there.

  Reference numeral 9 is a cover that can be opened and closed provided on the lower tray 13 (FIG. 4) on the front side of the apparatus. As shown in FIG. 4, the lower tray 13, the upper tray 14, and the paper receiving tray 8 are exposed by opening the cover 9.

  The paper discharge receiving tray 8 can be in a state of being housed in the recording mechanism unit main body 2 by a motor (not shown) (FIG. 1) and a state of protruding to the front side of the recording mechanism unit main body 2 (FIG. 4). By being provided and projecting to the front side of the recording mechanism section main body 2, it is possible to receive a sheet that is recorded and discharged.

  The lower tray 13 and the upper tray 14 provided on the upper tray 13 can accommodate a plurality of sheets, and each is independently detachable from the recording mechanism section main body 2. Further, even if one side is not attached, the sheet can be sent out from the attached tray as long as the other side is attached.

In addition, a reference numeral 6 is an openable / closable manual cover in the upper rear part of the recording mechanism main body 2. By manually opening the manual cover 6 as shown in FIG. 2, paper can be manually fed using the manual tray 7. It can be done.
The paper transport path in the recording mechanism unit 15 of the printer 1 will be described later.

<About the configuration of the reading mechanism>
Next, the configuration of the reading mechanism unit 3 will be described.
As described above, the reading mechanism unit 3 (FIG. 3) is rotatably connected to the recording mechanism unit body 2 of the recording mechanism unit 15 at the upper part of the recording mechanism unit 15. The upper part of the recording mechanism unit 15 is opened and closed.
More specifically, the reading mechanism unit 3 is rotatably connected to the recording mechanism unit 15 at the first connecting unit 35 and the second connecting unit 36. The first connecting portion 35 and the second connecting portion 36 are provided with rotating shafts 35a and 36a (FIG. 6), respectively, and are rotated by a bearing (not shown) provided on the recording mechanism main body 2 side. The reading mechanism unit 3 rotates so that the shafts 35a and 36a are pivotally supported so as to open and close the upper portion of the recording mechanism unit 15.
In the present embodiment, the first connecting portion 35 and the second connecting portion 36 are integrally provided in a housing 40 that constitutes the apparatus main body of the reading mechanism portion 3.

As shown in FIG. 6, the reading mechanism unit 3 includes a document table 3a, and the upper surface of the document table 3a serves as a document placement surface on which a document is placed. The document table 3a is a transparent glass plate in this embodiment. The periphery of the document table 3a is composed of a plurality of frames 33a, 33b, 33c, and 33d, and a rectangular area (reference numeral 34) provided by the frames 33a, 33b, 33c, and 33d moves within the housing 40. The original reading area 34 can be read by the reading means 37.
That is, in this embodiment, the reading mechanism unit 3 is a flat bed type scanner, and the reading unit 37 is provided below the original table 3a so as to be movable relative to the original table 3a.

The reading unit 37 is provided in the housing 40 and extends in the main scanning direction (Y-axis direction) and is moved in the sub-scanning direction (X-axis direction) intersecting the main scanning direction by a moving mechanism 43 described later. It is configured to be movable. In this embodiment, the main scanning direction corresponds to the short side direction of the document reading area, and the sub-scanning direction corresponds to the long side direction of the document reading area.
In the moving direction (X-axis direction), the reading unit 37 is positioned on the −X side (two points in FIG. 6) from the position on the + X side of the document reading region 34 (the position of the reading unit 37 indicated by a one-dot chain line in FIG. 6). To the position of the reading means 37 indicated by a chain line. Accordingly, the rectangular area indicated by the dotted line 38 is the moving area 38 of the reading means 37.

  A flexible flat cable 52 (hereinafter simply referred to as a cable 52) provided along the inner wall surface on the −Y side of the housing 40 is fixed to the inner wall surface by fixing portions 58a, 58b, and 58c as shown in FIG. It is fixed. In the cable 52, the portion on the + X side of the fixed portion 58c is in a free state, and is configured to be deformable following the movement of the reading means 37.

The reading unit 37 includes a reading sensor (no code) and a sensor carriage (no code) that holds the reading sensor.
The reading sensor includes a light source (not shown) and a light receiving unit, and irradiates light from the light source to the document placed on the document table 3a, and receives light reflected from the document by the light receiving unit to read information on the document. Sensor, for example, CCD (Charge Coupled Devices) or CIS (Contact
An image sensor optical sensor can be used.

Subsequently, as shown in FIGS. 8 to 14, the printer 1 includes a detection unit 54 that detects an open / closed state of the reading mechanism unit 3. More specifically, the detection means 54 (see FIG. 11) is provided in the detected portion 62 provided in the recording mechanism portion 15 and the first connecting portion 35 of the reading mechanism portion 3, and the detected portion 62 is And a sensor 59 for detection.
In this embodiment, the sensor 59 is a lever-type sensor that switches between an electrically conductive state and a non-conductive state, and includes a sensor body 61 and a lever 60. In the sensor 59, when the lever 60 is pushed by the detected portion 62 (protrusion 63 described later), the sensor 59 is electrically connected, and it is determined that the detected portion 62 has been detected. On the other hand, when the detected portion 62 is separated from the lever 60, the detected portion 62 is electrically disconnected, and the detected portion 62 is not detected.
In addition to the sensor 59 configured as described above, for example, a sensor configured to detect displacement of the lever 60 that is displaced by contact with the detected portion 62, or light configured to block or pass light depending on the presence or absence of the detected portion 62. A sensor (transmission type sensor) can also be used.

Next, as shown in FIGS. 10 to 13, the detected portion 62 is configured as a protrusion 63 that protrudes toward the reading mechanism portion 3 in the recording mechanism portion 15. The protrusion 63 is provided on the upper surface portion 64 of the recording mechanism portion 15.
As shown in FIG. 14, the sensor 59 is in a position hidden inside the first connecting portion 35 provided in the housing 40, and when the reading mechanism portion 3 is closed, the sensor 59 is located below the first connecting portion 35. The protrusion 63 is received in the open receiving port 65 (see also FIGS. 8 and 9).
When the reading mechanism unit 3 is closed as shown in FIG. 13, it is determined that the reading mechanism unit 3 is in a closed state when the lever 60 is pushed by the projection 63 and energized. When the reading mechanism unit 3 is opened as shown in FIG. 12, the pressing of the lever 60 by the protrusion 63 is released and the energization is also released, and it is determined that the reading mechanism unit 3 is in an open state.
The sensor main body 61 of the sensor 59 is electrically connected to a substrate 66 provided on the recording mechanism 15 side via a wiring 68 as shown in FIG.

As described above, since the sensor 59 constituting the detection unit 54 that detects the open / closed state of the reading mechanism unit 3 is arranged in the first connecting unit 35, the following operational effects can be obtained.
The vicinity of the rotation shaft 35a of the reading mechanism unit 3 provided with the sensor 59, that is, the vicinity of the hinge portion, is not opened as much as the front end (+ Y side) of the apparatus at a position away from the rotation shaft 35a. Therefore, the sensor 59 is hardly noticeable, and the possibility that the user touches the sensor 59 can be suppressed or avoided.

Further, when the sensor 59 is disposed in the first connecting portion 35, the protrusion 63 as the detected portion 62 is also provided on the back side (−Y side) of the apparatus where the rotation shaft 35a is located.
If the projection 63 (detected portion 62) is on the front end side of the reading mechanism unit 3, the projection 63 may interfere with the operation of the printer 1. However, in this embodiment, the projection 63 is provided near the hinge portion. The operability is better than when the projection 63 is provided on the distal end side of the reading mechanism section 3 that opens and closes, and the appearance can be made neat in terms of design.

  Further, since the detected portion 62 is provided as the protrusion 63 in the recording mechanism portion 15, the detected portion 62 can be configured with a simple structure and at a low cost.

Further, in the present embodiment, the sensor 59 is hidden behind the housing 40 of the reading mechanism unit 3, and the receiving port 65 (FIG. 14) for receiving the protrusion 63 opens downward, so that the user can Easy access to the sensor 59 can be more reliably suppressed.
In addition, since the sensor 59 is provided in the receiving port 65 opened on the lower side, it is difficult for dust or dust to collect in the receiving port 65, and the possibility that dust or dust may adhere to the sensor 59 can be reduced. .

Subsequently, as shown in FIG. 15, the recording mechanism section main body 2 constituting the recording mechanism section 15 has a wiring 68 (from the sensor 59 (sensor main body 61) to the side surface 56 on the side close to the first connecting section 35. 14) is provided.
In other words, the sensor 59 is provided in a connection part (first connection part 35) on the side close to the substrate 66 provided in the recording mechanism part main body 2 out of the first connection part 35 and the second connection part 36. ing.

  By providing the sensor 59 in a connecting portion close to the substrate 66 to which the wiring 68 from the sensor 59 is connected, the length of the wiring 68 can be shortened. In addition, the wiring 68 can be easily connected to the substrate 66. Of course, a sensor 59 (detection means 54) may be provided in a connecting portion (in the present embodiment, the second connecting portion 36) separated from the substrate 66.

In the present embodiment, the sensor 59 is located at the center of gravity of the reading mechanism unit 3 in the direction (X-axis direction) along the rotation axis of the reading mechanism unit 3 among the first connecting unit 35 and the second connecting unit 36. It is provided on the side close to.
In the present embodiment, a motor 44 that is a power source of the moving mechanism 43 (FIG. 7) of the reading means 37 is disposed in the first connecting portion 35. The motor 44 that is a power source of the reading unit 37 is often relatively heavy (heavy). Therefore, the center of gravity of the reading mechanism unit 3 is closer to the first connecting unit 35 side in the X-axis direction along the rotation axis of the reading mechanism unit 3.

  When the center of gravity of the reading mechanism unit 3 is close to the first connecting unit 35 side, the reading mechanism unit 3 is easily inclined to the first connecting unit 35 side close to the center of gravity when the reading mechanism unit 3 is closed. The lever 63 of the sensor 59 is pushed more reliably by the protrusion 63. Therefore, the open / close state, particularly the closed state, of the reading mechanism unit 3 with respect to the upper portion of the recording mechanism unit 15 can be detected with higher accuracy.

In the present embodiment, a damper mechanism 70 (FIGS. 12 and 16) that applies a load to the closing operation of the reading mechanism unit 3 is provided on the first connecting unit 35 side.
In other words, the sensor 59 is provided on the side where the damper mechanism 70 is provided in the first connecting portion 35 and the second connecting portion 36.
When the damper mechanism 70 is provided in one of the first connecting part 35 and the second connecting part 36, when the reading mechanism part 3 is closed, the damper mechanism 70 is not provided, that is, in the closing operation. The connecting portion (second connecting portion 36) side that is not loaded and closes by its own weight is closed first, and the connecting portion (first connecting portion 35) side on which the load is applied to the closing operation by the damper mechanism 70 is May work to close later.
Therefore, by providing the sensor 59 in the first connecting portion 35 that is closed more slowly than the second connecting portion 36 because the damper mechanism 70 is provided, the open / closed state of the reading mechanism portion 3 with respect to the upper portion of the recording mechanism portion 15; In particular, the closed state can be detected with higher accuracy.
The damper mechanism 70 will be described in detail later.

  The sensor 59 can also be provided on the second connecting portion 36 side. When the sensor 59 is disposed in the second connecting portion 36, it is preferable that the motor 44, the substrate 66, and the damper mechanism 70 are also provided on the side surface 58 on the side close to the second connecting portion 36.

<Damper mechanism>
Next, a damper mechanism 70 that applies a load to the closing operation of the reading mechanism unit 3 will be described with reference to FIGS. 15 to 19.
The damper mechanism 70 includes a sector rack 71, a first gear 72 that meshes with the sector rack 71, a second gear 73 that meshes with the first gear 72, and a second gear 73 that meshes with the second gear 73. 3, and by providing a resistance member 75 that imparts rotational resistance to the third gear 74, a damper function that applies a load to the closing operation of the reading mechanism unit 3 is exhibited. .

The fan-shaped rack 71 is fixed to the reading mechanism unit 3 by screws 76, 76, and rotates coaxially with the rotation shaft 35 a of the reading mechanism unit 3. Further, the fan-shaped rack 71 includes a guide groove 77, and a guide shaft 78 fixed to the recording mechanism section main body 2 side of the recording mechanism section 15 when the reading mechanism section 3 opens and closes (see FIGS. 16 and 17). The guide groove 77 moves while being engaged.
In this embodiment, the fan-shaped rack 71 having a fan-shaped rack is used to suppress the size of the printer 1 in the height direction. However, a straight-type rack can also be used.

  Here, the damper mechanism 70 is provided on the first connecting portion 35 side, that is, on the side surface 56 side of the printer 1 (see also FIG. 3). Similarly, the side surface 56 is provided with a substrate 66 (FIG. 15) on which the sensor 59 is wired. In the present embodiment, at least a part of the damper mechanism 70 and the substrate 66 are provided in the vicinity of the same side surface 56 so as to overlap in the apparatus depth direction (Y-axis direction) and the apparatus height direction (Z-axis direction).

  As shown in FIG. 15, the substrate 66 is provided on the outside (−X direction) of the damper mechanism 70. More specifically, the substrate 66 is provided outside the damper mechanism 70 via a shield plate 80 (see also FIG. 18) for protecting the substrate 66.

The shield plate 80 includes positioning portions 81 a and 81 b at positions corresponding to the support shaft 72 a of the first gear 72 and the support shaft 74 a of the third gear 74.
The configuration of the positioning portions 81a and 81b will be described with reference to FIG. FIG. 19 is a diagram illustrating the positioning portion 81a for the first gear 72. The positioning portion 81b for the support shaft 74a of the third gear 74 has the same configuration as that of the positioning portion 81a. In the following description, the positioning portion 81a will be described as an example, and description of the positioning portion 81b will be omitted. To do.

  In the shield plate 80, the positioning portion 81a is formed as a hole corresponding to the support shaft 72a of the first gear 72 as shown in FIG. 19, and further, the direction intersecting the surface 80a on which the substrate 66 is provided. A burring portion 82 formed by burring is provided so as to protrude in the (X-axis direction). The burring part 82 is a part that supports the tip of the support shaft 72 a of the first gear 72. The support shaft 72a is positioned by being supported by the burring portion 82.

Similarly, the support shaft 74a of the third gear 74 can be positioned by the positioning portion 81b, and the distance between the support shaft 72a of the first gear 72 and the support shaft 74a of the third gear 74 can be determined with high accuracy. Can be kept in. Thus, stable opening and closing of the reading mechanism unit 3 can be realized.
Further, by providing the shield plate 80 with the functions of protecting the substrate 66 and supporting the shafts of the gears of the damper mechanism 70, the number of parts can be reduced without providing separate parts having the respective functions. It can be downsized. In this embodiment, among the plurality of gears constituting the damper mechanism 70, positioning corresponding to the support shafts of some gears (the support shaft 72a of the first gear 72 and the support shaft 74a of the third gear 74). Although the parts 81 a and 81 b are provided, positioning parts may be provided for all the gears constituting the damper mechanism 70.

<About the moving mechanism of the reading means>
The reading means 37 (FIG. 7) is movably engaged with the guide portion 42 at a slide portion (not shown) provided at the lower portion thereof, and is guided by the guide portion 42 as a power source for moving the reading means 37. The motor 44 is configured to move in the sub-scanning direction (X-axis direction).
More specifically, the reading unit 37 is driven by a belt-driven moving mechanism 43 described below, and is guided by the guide unit 42 to slide in the X-axis direction.

As shown in FIG. 7, the moving mechanism 43 of the reading unit 37 includes a driving pulley 45 driven by a motor 44, two driven pulleys 46 that can be driven to rotate by the driving pulley 45, a driven pulley 47, a driving pulley 45, A driven pulley 46 and an endless belt 48 wound around the driven pulley 47 are provided.
The driven pulley 46 and the driven pulley 47 are disposed in the vicinity of one end of the guide portion 42 and in the vicinity of the other end.
Reference numeral 49 denotes an urging portion that applies tension to the endless belt 48. The urging portion 49 can be provided between the drive pulley 45 and the driven pulley 47, or between the drive pulley 45 and the driven pulley 47, or between the driven pulley 46 and the driven pulley 47.

  The reading means 37 is fixed to the endless belt 48 at a portion along the guide portion 42 in the endless belt 48, that is, at a position between the driven pulley 46 and the driven pulley 47, and is driven by the motor 44. 48 is rotated, and the sensor carriage 41 is pulled by the endless belt 48 to reciprocate in the X-axis direction. With this configuration, since the reading unit 37 is pulled by the endless belt 48 provided near the guide portion 42, the reading unit 37 can be smoothly moved.

  Further, when the motor 44 which is a heavy object is arranged in the first connecting portion 35 provided with the rotation shaft 35a of the reading mechanism unit 3, the reading mechanism unit 3 can be opened with a smaller force. Further, since the inertia is reduced when the reading mechanism unit 3 is closed, the possibility that the reading mechanism unit 3 and the recording mechanism unit 15 are damaged due to, for example, an impact when the reading mechanism unit 3 is closed can be suppressed.

The motor 44 can also be arranged on the second connecting portion 36 side.
<Regarding the paper transport path in the recording mechanism>
In the following, a paper conveyance path in the recording mechanism unit 15 of the printer 1 will be described with reference to FIG. First, the paper feeding from the manual feed tray 7 will be described, and then the paper feeding from the lower tray 13 or the upper tray 14 provided at the bottom of the apparatus will be described.
In FIG. 4, the feeding path T1 of the paper P from the manual feed tray 7 is indicated by a two-dot chain line. Further, the feeding path T2 of the paper P from the lower tray 13 or the upper tray 14 to the upstream side of the transport driving roller 24 is indicated by a dotted line.

As for the paper set in the setting port 50 of the manual feed tray 7, the uppermost paper is picked up by the second feeding roller 21 and sent to the downstream side.
At the end of the second feeding roller 21, a transport driving roller 24 that is rotationally driven by a motor (not shown) and a transport driven roller 25 that is driven to rotate in contact with the transport driving roller 24 are provided. The paper P is sent under the recording head 30.

  Subsequently, the recording head 30 that ejects ink as liquid is provided at the bottom of the carriage 29, and the carriage 29 is driven to reciprocate in the sub-scanning direction (X-axis direction) by a motor (not shown).

A medium support member 28 that supports the paper P to be conveyed is provided at a position facing the recording head 30, and a space (PG) between the paper P and the recording head 30 is defined by the medium support member 28. The
On the downstream side of the medium support member 28, a discharge driving roller 31 that is rotationally driven by a motor (not shown) and a discharge driven roller 32 that is driven to rotate in contact with the discharge driving roller 31 are provided. The sheet P on which recording has been performed by the recording head 30 is discharged toward the above-described discharge receiving tray 8 by these rollers.

The printer 1 includes a lower tray 13 and an upper tray 14 at the bottom of the apparatus, and can also feed sheets one by one from the lower tray 13 or the upper tray 14.
The upper tray 14 slides between a feedable position (FIG. 4) and a retreat position (not shown) moved to the front side of the apparatus (rightward in FIG. 4: the pulling direction side of the upper tray 14). And is configured to displace the feedable position and the retracted position in response to the power of a motor (not shown).
In FIG. 4, the paper accommodated in the lower tray 13 is indicated by reference numeral P <b> 1, and the paper accommodated in the upper tray 14 is indicated by reference numeral P <b> 2 (hereinafter, there is no need to distinguish between them). "Paper P").

  A first feeding roller (also referred to as a pickup roller) 10 that is rotationally driven by a motor (not shown) is provided on a roller support member 11 (also referred to as a pickup arm or a swinging member) that swings around a rotation shaft 12. When the upper tray 14 is at the abutting position slid to the rearmost side of the apparatus (left side in FIG. 4: the mounting direction side of the upper tray 14 and also the paper feed direction side), that is, the upper tray 14 The first feeding roller 10 rotates in contact with the uppermost one of the sheets P2 accommodated in the upper tray 14 to feed the uppermost sheet P2 from the upper tray 14 at the feedable position. .

On the other hand, when the upper tray 14 is slid to the front side (+ Y side) of the apparatus, that is, when the upper tray 14 is in the retracted position, the roller support member 11 swings around the rotation shaft 12, The first feeding roller 10 can come into contact with the uppermost one of the sheets P1 accommodated in the lower tray 13, and the first feeding roller 10 rotates so that the uppermost sheet P1 is placed in the lower tray. 13 is sent out.
As described above, the lower tray 13 and the upper tray 14 can feed paper from the other side even when either one is not attached.

  An intermediate roller 17 that is rotationally driven by a motor (not shown) is provided on the downstream side of the first feeding roller 10, and the sheet P is curved and reversed by the intermediate roller 17 and moves toward the front side of the apparatus. Reference numerals 19 and 20 are driven rollers that can be driven and rotated. At least the paper P is nipped by the driven roller 19 and the intermediate roller 17, and is nipped by the driven roller 20 and the intermediate roller 17 to the downstream side. Sent.

  The sheet sent along the feeding path T2 indicated by the dotted line merges with the feeding path T1 (two-dot chain line) in front of the transport driving roller 24 and the transport driven roller 25, and thereafter the manual feed tray on the downstream side. 7 is transported by the transport drive roller 24 and the transport driven roller 25 and is recorded by the recording head 30, and then is discharged by the discharge drive roller 31 and the discharge driven roller 32. It is discharged towards.

  When recording both sides of the paper P, the front side is recorded by the recording head 30 and then switched back so that the paper P enters the feeding path from the lower side of the intermediate roller 17. By reversing the curve, recording can be performed on the back surface of the paper P. Reference numeral 18 denotes a driven roller that can be driven to rotate by the rotation of the intermediate roller 17.

  The present invention is not limited to the above-described embodiment, and various modifications are possible within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

DESCRIPTION OF SYMBOLS 1 ... Printer (recording apparatus), 2 ... Recording mechanism part main body, 3 ... Reading mechanism part,
4 ... cover, 5 ... operation panel, 6 ... manual feed cover, 7 ... manual feed tray,
8 ... discharge tray, 9 ... cover, 10 ... first feed roller,
11 ... roller support member, 12 ... rotating shaft, 13 ... lower tray,
14 ... Upper tray, 15 ... Recording mechanism, 17 ... Intermediate roller, 18 ... Driven roller,
19 ... driven roller, 20 ... driven roller, 21 ... second feeding roller,
24 ... conveyance drive roller, 25 ... conveyance driven roller, 28 ... medium support member,
29 ... Carriage, 30 ... Recording head (recording means), 31 ... Discharge drive roller,
32 ... discharge driven roller, 33a, 33b, 33c, 33d ... frame,
34 ... document reading area, 35 ... first connecting part, 36 ... second connecting part,
37: Reading means, 38 ... Moving region, 40 ... Housing, 42 ... Guide part, 43 ... Moving mechanism,
44 ... motor, 45 ... drive pulley, 46 ... first driven pulley,
47 ... second driven pulley, 48 ... endless belt, 49 ... biasing portion, 50 ... set port,
52 ... Flexible flat cable (cable), 54 ... Detection means,
56 ... Side, 57 ... Side, 58a, 58b, 58c ... Fixing part, 59 ... Sensor,
60 ... Lever, 61 ... Sensor body, 62 ... Detected part, 63 ... Protrusion,
64 ... upper surface part, 65 ... receiving port, 66 ... substrate, 68 ... wiring,
70 ... damper mechanism, 71 ... fan-shaped rack, 72 ... first gear, 73 ... second gear,
74 ... third gear, 75 ... resistance member, 76 ... screw, 77 ... guide groove,
78 ... Guide shaft, 80 ... Shield plate, 81a, 81b ... Positioning part,
82: Burring section, P, P1, P2 paper (recording medium)

Claims (6)

A recording mechanism comprising recording means for recording on a recording medium;
A reading mechanism unit for reading a document that opens and closes the upper part of the recording mechanism unit by rotating with respect to the recording mechanism unit at the upper part of the recording mechanism unit;
A first connecting part and a second connecting part that rotatably connect the reading mechanism part to the recording mechanism part;
Detecting means for detecting an open / closed state of the reading mechanism section, wherein the detecting means is a detected section provided in the recording mechanism section, and the first connecting section and the second connecting section of the reading mechanism section. A sensor that is provided in at least one of the connecting portions and detects the detected portion; and
A recording apparatus. The recording apparatus according to claim 1,
The mechanism unit body constituting the recording mechanism unit includes a substrate for connecting wiring from the sensor,
The sensor is provided on the side close to the substrate in the first connecting portion and the second connecting portion.
A recording apparatus. The recording apparatus according to claim 1 or 2,
The sensor is provided on a side closer to the center of gravity of the reading mechanism unit in the direction along the rotation axis of the reading mechanism unit among the first connecting unit and the second connecting unit.
A recording apparatus. The recording apparatus according to any one of claims 1 to 3,
A damper mechanism that applies a load to the closing operation of the reading mechanism unit is provided in one of the first coupling unit and the second coupling unit,
The sensor is provided on the side where the damper mechanism is provided in the first connecting part and the second connecting part.
A recording apparatus. The recording apparatus according to any one of claims 1 to 4, wherein the detected part is configured by a protrusion that protrudes toward the reading mechanism part in the recording mechanism part.
A recording apparatus. The recording apparatus according to claim 5, wherein the sensor is in a position hidden inside the housing of the reading mechanism section, and a receiving port that receives the protrusion in the housing opens downward. ,
A recording apparatus.

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