JP2012206293A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a manufacturing cost of an electronic apparatus increases because cost for manufacturing an exclusive cover and assembly work for installing the exclusive cover are needed.SOLUTION: An inkjet printer includes: a front cover 11 that has a pressing part 112 and is a turnable cover, which is openable and closable by turning; a fixed cover adjoining a region of an opening covered by the front cover and fixed to a housing; a limit switch 22 that has a lever 221 as a movable part pressed by the pressing part and a support part 222 for supporting the lever 221, and is a detection part for detecting an opened and closed state of the front cover 11 based on a position of the lever 221. The support part 222 of the limit switch 22 is covered by the fixing cover and the lever 221 of the limit switch is provided in the region of the opening.

Description

  The present invention relates to an electronic apparatus device.

  In electronic device devices such as copiers, facsimiles, and printers, the opening is opened by rotating to replace consumables and remove paper jammed in the transport path from the opening provided in the housing. A cover that can be opened and closed is attached. In such an electronic apparatus device, a switch that opens and closes an electric circuit according to the open / close state of the cover is attached in order to detect whether the cover is in a closed state or an open state. is there.

  For example, Patent Document 1 discloses an apparatus for detecting opening and closing of a cover member by providing a mechanical switch on a member to be covered and pressing and releasing the mechanical switch by a switch pressing rib provided on the cover member. Yes.

JP 2008-73869 A

  However, in Patent Document 1, the mechanical switch is provided in an area covered by a rotating cover. Therefore, in order to cover and protect the mechanical switch and to prevent the malfunction by fixing the mechanical switch, a special cover of the mechanical switch is provided in an area covered by the rotating cover. Therefore, the cost for manufacturing the dedicated cover for the mechanical switch and the assembly work for attaching the dedicated cover are required, and there is a problem that the manufacturing cost of the electronic device increases.

  SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.

  [Application Example 1] A rotating cover having a pressing portion that can be opened and closed by rotating, a fixed cover that is adjacent to an area covered by the rotating cover and is fixed to a housing, and the pressing portion. A movable portion that is pressed and a support portion that supports the movable portion, and a detection portion that detects an open / closed state of the rotating cover according to a position of the movable portion, and the support portion of the detection portion is The electronic device apparatus is characterized in that it is covered with the fixed cover, and the movable part of the detection part is provided in the region.

  According to this application example, the support unit of the detection unit is covered by the fixed cover, and the movable unit of the detection unit is provided in an area covered by the rotation cover. As a result, a dedicated cover for covering and protecting the detection unit is not provided, so that the cost for manufacturing the dedicated cover and the assembly work for attaching the dedicated cover become unnecessary, which increases the manufacturing cost of the electronic device. Can be suppressed.

  Application Example 2 In the electronic device apparatus, the fixing cover includes a protrusion for fixing the support portion of the detection unit.

  This eliminates the need for a dedicated cover for fixing the detector and suppressing malfunctions, eliminating the need for manufacturing the dedicated cover and assembly work for attaching the dedicated cover, and the manufacturing cost of the electronic device. Can be suppressed.

Application Example 3 The electronic apparatus apparatus described above, further comprising an opening wall that opens in a pressing direction of the pressing portion and surrounds the movable portion.
According to this application example, it is possible to prevent the movable part from being damaged by the user's finger or the like hitting the movable part.

Application Example 4 In the electronic device, the length of the opening wall is longer than the length of the movable range of the movable part in the pressing direction.
According to this application example, it is possible to further prevent the movable part from being damaged.

  Application Example 5 In the electronic device apparatus, the opening for forming a terminal connection portion is formed in the fixed cover.

  According to this application example, since the cover for fixing the switch and the cover in which the opening for providing the terminal connection portion is formed can be integrally formed, an increase in the manufacturing cost of the electronic device can be suppressed.

Application Example 6 In the above electronic device apparatus, the cross-sectional shape of the protrusion is an L shape.
According to this application example, it is possible to suppress a change in the attitude of the switch.

Application Example 7 In the electronic apparatus, the movable part of the detection unit is a lever that has a rotation shaft supported by the support part and is rotatable.
According to this application example, an increase in the manufacturing cost of the electronic device device can be suppressed.

Application Example 8 The electronic apparatus apparatus described above including an image forming unit that forms an image.
According to this application example, an increase in the manufacturing cost of the electronic device device can be suppressed.

The external appearance perspective view which looked at the ink jet printer from the front side. FIG. 2 is an external perspective view of the ink jet printer in a state where a front cover is opened. The enlarged view of the part provided with the limit switch. (A) is an external appearance perspective view of a limit switch, (b) is a figure which shows the cross section of the lever in a limit switch. (A) shows the part with which the limit switch was provided, and the figure which shows the state which the front cover opened, (b) is an enlarged view of the part by which the press part was provided in the front cover. The figure which shows the part with which the limit switch was provided, and shows the state which the front cover closed. The figure seen from the front side of the fixed cover. (A) is the figure seen from the back side of the fixed cover, (b) is a figure which shows the cross-sectional shape of a protrusion part. (A) is a perspective view which shows a limit switch, a protrusion part, and an opening wall, (b) is a figure which shows the length in the movable range of an opening wall, and a lever.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Embodiment)
FIG. 1 is an external perspective view of an ink jet printer 1 (hereinafter referred to as a printer) as an image forming apparatus which is an example of an electronic apparatus device, as viewed from the front side. The printer 1 includes an image forming unit 3 and a scanner unit 2 disposed on the upper side of the image forming unit 3 in the vertical direction D1.

  The operation panel 4 is provided with operation buttons 9 for performing power on / off operations, print condition setting operations, and the like. In addition, the operation panel 4 includes a display unit 10 constituted by a liquid crystal panel or the like in order to display the setting contents of the printing conditions and the operation contents.

  The scanner unit 2 includes a paper feeding device 8 that feeds a document (not shown) placed on the placing table 7 to the scanner unit 2. The scanner unit 2 includes a transparent document table (not shown), a reading unit (not shown) equipped with an image sensor, and the like. The scanner unit 2 is a document fed on the document table by the reading unit. The image drawn in is read and image data is acquired.

  A paper cassette 5 that can be pulled out by the user is provided on the front side of the printer 1, and paper (not shown) as a recording medium is stored in the paper cassette 5. Further, on the back side of the printer 1, a paper feeding device including a paper support 6 on which paper (not shown) is placed is provided, and the paper placed on the paper support 6 is transferred by the paper feeding device. Paper is fed to the image forming unit 3.

  The printer 1 feeds the paper stored in the paper cassette 5 or the paper placed on the paper support 6 into the image forming unit 3, forms an image on the paper, and discharges the paper from the opening 12. The discharged paper is placed on the tray 13 and the stacker 14 pulled out from the tray 13.

  The right side of the printer 1 in the drawing is covered by fixed covers 30, 31 and 32. The recess 301 formed in the fixed cover 30 is provided with a USB connector 21 as a terminal connection portion.

  The user can hold the handle portion 110 and rotate the front cover 11 in the direction of the arrow using the front cover 11 as a rotation cover. FIG. 2 is an external perspective view of the printer 1 with the front cover 11 opened. As shown in FIG. 2, when the front cover 11 is opened, a length range X in the lateral width direction D2 of the printer 1 and a length range Y in the vertical direction D1 are displayed on the front side of the casing 40 of the printer 1. The opening part A shown by is formed.

  The opening A is provided with a storage opening area 19 and a removal opening area 16 which are divided by the partition member 17. The front cover 11 is rotated about the lower side of the opening A in the vertical direction D1 as a rotation axis, so that the opening A is opened as shown in FIG. It can be covered and closed as shown in FIG.

  The opening A is an area covered by the front cover 11 in the present embodiment. The fixed cover 30 is provided adjacent to the region of the opening A.

  The printer 1 includes a guide rail 18 that guides a lower corner portion of an ink cartridge (not shown) that contains ink, and is provided with a storage portion that stores the ink cartridge. The user can store or remove the ink cartridge from the storage opening area 19 with the front cover 11 opened.

  An image is formed on a sheet (not shown) conveyed on the recording medium support unit 15. While the sheet is being conveyed, the sheet may remain on the recording medium support unit 15 due to a paper jam or the like. In such a case, the user can insert his / her hand from the removal opening region 16 formed on the front side of the printer 1 to remove the paper remaining on the recording medium support unit 15.

  An inner wall surface 111 of the front cover 11 is provided with a guide plate 20 that is long in the lateral width direction D <b> 2 of the printer 1. The guide plate 20 is formed in a plate shape by paper or a resin material. The guide plate 20 describes the contents of explanation when the ink cartridge is accommodated in or removed from the accommodating portion. The description content may be printed on the guide plate 20 or a sheet on which the description content is printed may be attached to the guide plate 20.

  FIG. 3 is an enlarged view of a portion B provided with the limit switch 22 as the detection unit of FIG. FIG. 4A is an external perspective view of the limit switch 22. The limit switch 22 includes a lever 221 that is a movable part and a support part 222 that supports the lever 221.

  FIG. 4B is a view showing a cross section of the lever 221 viewed from the direction of arrow E in FIG. One end of the lever 221 is provided with a rotation shaft 223 supported by the support portion 222. The support portion 222 is provided with urging means (not shown) for rotating the lever 221 in the rotation direction D4. When a force in the pressing direction D3 is applied to the lever 221 in FIGS. 3, 4A, and 4B, the lever 221 in FIG. 4B rotates in the rotation direction D5 with the rotation shaft 223 as the rotation center. To turn.

  The support portion 222 is provided with a switch terminal (not shown) that can be opened and closed. The limit switch 22 is a switch that opens and closes an electric circuit by causing the switch terminal to be connected or disconnected depending on the position of the lever 221 in the rotation directions D4 and D5, that is, the position of the lever 221 in the pressing direction D3.

  As shown in FIG. 3, the support portion 222 is provided in the housing 40 and is located between the housing 40 and the fixed cover 30. The limit switch 22 is provided so that the tip end side of the lever 221 protrudes from the fixed cover 30 side into the region of the opening A in FIG. 2, and the pressed surface 221a in the lever 221 in FIGS. 3, 4A, and 4B. Is located in the region of the opening A.

  In the fixed cover 30 of FIG. 3, an upstream wall and a downstream side in the pressing direction D <b> 3, that is, the front side and the back side of the printer 1 are opened, and an opening wall 302 surrounding the tip side of the lever 221 is formed. The opening wall 302 is provided so as to protrude toward the opening A and to be positioned in the region of the opening A.

  FIG. 5A is a diagram illustrating a state in which the fixed cover 30 of FIGS. 1 and 2 is removed, the limit switch 22 is provided, and the front cover 11 is opened. The support part 222 of the limit switch 22 is provided in the housing 40.

  FIG.5 (b) is an enlarged view of the part C in which the press part 112 was provided in the front cover 11 of Fig.5 (a). A pressing portion 112 capable of pressing the pressed surface 211a of FIG. 4 is formed on the right side of the front cover 11 in the lateral width direction D2.

  FIG. 6 is a view showing a portion where the fixed cover 30 is removed, the limit switch 22 is provided, and the front cover 11 is closed.

  In the state where the front cover 11 of FIG. 6 is closed, the pressing portion 112 presses the pressed surface 221 a of the lever 221 of the limit switch 22. The limit switch 22 can detect the open / closed state of the front cover 11 based on the position of the lever 221.

  FIG. 7 is a view as seen from the front side of the fixed cover 30, that is, from the front side of the printer 1. As described above with reference to FIG. 3, the fixed cover 30 is provided with the opening wall 302. An opening 303 for providing the USB connector 21 of FIGS. 1 and 2 is formed in the recess 301 in the fixed cover 30.

  FIG. 8A is a view as seen from the back side of the fixed cover 30, that is, the housing 40 side. On the back side of the fixed cover 30, a protruding portion 304 that protrudes toward the housing 40 is provided. FIG. 8B is a diagram showing a cross-sectional shape of the protruding portion 304 viewed from the lateral width direction D2 of FIG.

  9A shows a limit switch 22 provided in the housing 40, a protrusion 304, and an opening in a state where the fixed cover 30 shown in FIGS. 7 and 8 is fixed to the housing 40 shown in FIGS. It is a perspective view which shows the wall 302. FIG.

  As shown in FIG. 8B, the cross-sectional shape of the protrusion 304 is L-shaped. In a state in which the fixed cover 30 is fixed to the housing 40, the contact surface 304a of the protrusion 304 in FIG. 8B and the contact surface 304b substantially orthogonal to the contact surface 304a are limited in FIG. 9A. In contact with the support portion 222 of the switch 22, the support portion 222 is fixed.

  FIG. 9B is a diagram showing the length L1 of the opening wall 302 and the length L2 in the movable range of the lever 221 in the pressing direction D3. The lever 221 shown by the solid line in FIG. 9B is when the pressing portion 112 of the front cover 11 is separated from the pressed surface 221a of the lever 221 in a state where the front cover 11 opens the opening A. Indicates the position.

  The lever 221 shown by the broken line in FIG. 9B is when the pressing portion 112 of the front cover 11 presses the pressed surface 221a of the lever 221 when the front cover 11 closes the opening A. Indicates the position.

  When the front cover 11 is in a state where the opening A is closed, the lever 221 indicated by the solid line in the state in which the front cover 11 opens the opening A has the pressed surface 221a of the lever 221 on the pressing portion 112 of the front cover 11. It is pressed and moves to the position of the lever 221 indicated by the broken line.

  The length L1 of the opening wall 302 in FIGS. 9A and 9B is the length of the pressing portion 112 in the pressing direction D3. The length L2 of the movable range of the lever 221 is determined from the position of the pressed surface 221a of the lever 221 when the front cover 11 opens the opening A, and the tip of the lever 221 when the front cover 11 closes the opening A. It is the length in the pressing direction D3 to the position of the drawing lower end of the part 221b. The length L 1 of the opening wall 302 is longer than the length L 2 in the movable range of the lever 221.

  As described above, the printer 1 described in the present embodiment has the pressing portion 112 and is adjacent to the area of the front cover 11 as a rotation cover that can be opened and closed by rotating, and the opening A covered by the front cover 11. In addition, the front cover 11 includes a fixed cover 30 fixed to the housing 40, a lever 221 that is a movable portion pressed by the pressing portion 112, and a support portion 222 that supports the lever 221. A limit switch 22 serving as a detection unit that detects an open / close state. The support unit 222 of the limit switch 22 is covered by the fixed cover 30, and the lever 221 of the limit switch 22 is provided in the region of the opening A.

  According to this configuration, since a dedicated cover for covering and protecting the limit switch 22 is not provided, the cost for manufacturing the dedicated cover and the assembly work for attaching the dedicated cover become unnecessary, and the manufacturing cost of the printer 1 is eliminated. Can be suppressed.

  Further, the fixed cover 30 is provided with a protrusion 304 for fixing the support portion 222 of the limit switch 22 to suppress malfunction.

  This eliminates the need for a dedicated cover for fixing the limit switch 22 to suppress malfunctions, thereby eliminating the cost for manufacturing the dedicated cover and the assembly work for attaching the dedicated cover. Increase in cost can be suppressed.

  In addition, the printer 1 includes an opening wall 302 that is opened in the pressing direction D3 pressed by the pressing portion 112 in FIGS. 5A and 5B and surrounds the distal end side of the lever 221 in FIG.

  According to this configuration, it is possible to prevent the lever 221 from being damaged by the user's finger or the like hitting the lever 221.

  9A and 9B, the length L1 of the opening wall 302 in the pressing direction D3 is longer than the length L2 of the movable range of the lever 221. Thereby, it is possible to further prevent the lever 221 from being damaged.

  The fixed cover 30 is formed with an opening 303 in FIG. 7 for providing the USB connector 21 as the terminal connecting portion in FIGS. 1 and 2.

  Thereby, since the cover for fixing the limit switch 22 and the cover in which the opening 303 for providing the USB connector 21 is formed can be integrally formed, an increase in the manufacturing cost of the printer 1 can be suppressed.

  Moreover, the cross-sectional shape of the protrusion part 304 is L-shaped. Thereby, if the L-shaped end surface is brought into contact with the support portion 222, it is possible to suppress the posture of the limit switch 22 from changing.

  In this embodiment, the limit switch 22 is used as the detection unit. However, a detection unit that detects the position of the movable unit with light using an LED, a phototransistor, or the like may be used. Or you may use the detection part which detects the position of a movable part by the change of an electrostatic capacitance.

  In the present embodiment, the printer 1 as an image forming apparatus, which is an example of an electronic apparatus apparatus, has been described. However, an information processing apparatus such as a personal computer, an image copying apparatus such as a copy, an image recording apparatus such as an HDD recorder, and a product are assembled. The present invention can also be applied to an electronic apparatus such as an assembly apparatus or an inspection apparatus for inspecting a product.

  DESCRIPTION OF SYMBOLS 1 ... Inkjet printer, 3 ... Image formation part, 11 ... Front cover, 21 ... USB connector, 22 ... Limit switch, 30 ... Fixed cover, 40 ... Housing | casing, 112 ... Press part, 221 ... Lever, 221a ... Pressed surface , 222 ... support part, 223 ... rotating shaft, 302 ... opening wall, 303 ... opening part, 304 ... projecting part, A ... opening part, D3 ... pressing direction, L1, L2 ... length.

Claims (8)

A rotation cover that has a pressing portion and can be opened and closed by rotating;
A fixed cover that is adjacent to the area covered by the rotating cover and fixed to the housing;
A movable portion that is pressed by the pressing portion; a support portion that supports the movable portion; and a detection portion that detects an open / closed state of the rotating cover according to a position of the movable portion,
The electronic device apparatus, wherein the support part of the detection part is covered with the fixed cover, and the movable part of the detection part is provided in the region. The electronic device apparatus according to claim 1,
The electronic apparatus apparatus according to claim 1, wherein the fixing cover includes a protrusion for fixing the support portion of the detection unit. The electronic device apparatus according to claim 1 or 2,
An electronic apparatus comprising an opening wall that opens in a pressing direction of the pressing portion and surrounds the movable portion. The electronic device apparatus according to any one of claims 1 to 3,
In the pressing direction, the length of the opening wall is longer than the length of the movable range of the movable part. The electronic device apparatus according to any one of claims 1 to 4,
An electronic device apparatus, wherein an opening for providing a terminal connection portion is formed in the fixed cover. The electronic apparatus device according to any one of claims 1 to 5,
The cross-sectional shape of the projecting portion is an L-shaped electronic device. The electronic apparatus device according to any one of claims 1 to 6,
The electronic device apparatus, wherein the movable portion of the detection portion is a lever that has a rotation shaft supported by the support portion and is rotatable. The electronic apparatus device according to any one of claims 1 to 7,
An electronic apparatus apparatus comprising an image forming unit that forms an image.

Images