JP2009288398A - Image forming apparatus, and working table of image forming apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To suppress the temperature rise of an accessory device provided in the working table of an image forming apparatus due to heat discharged from the exhaust port of an apparatus body. <P>SOLUTION: The image forming apparatus 1 is provided with the working table 10 attached like a shelf to the side surface of the apparatus body 1a and the exhaust port 7 for discharging the heat inside the apparatus body 1a under the working table 10. The working table 10 is provided with the accessory device 9 electrically connected to the apparatus body 1a. A heat insulating member 12 is provided in the lower part of the accessory device 9. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an image forming apparatus in which a working table is attached to a device body in a shelf shape, and the working table.

  2. Description of the Related Art Conventionally, image forming apparatuses such as copiers are known in which a working table is provided on the side of the apparatus body (for example, Patent Documents 1 and 2). By providing the working table in the image forming apparatus, it becomes possible to temporarily place a document or the like on the working table, which improves convenience when the user uses the image forming apparatus. In addition, the image forming apparatus has an exhaust port for releasing heat generated inside the apparatus main body to the outside. When a working table is installed on the side of the apparatus main body, the exhaust port for releasing heat is below the working table. (For example, Patent Document 3).

  By the way, in recent years, this type of image forming apparatus has a plurality of functions and is used in a network environment as called a multifunction peripheral or MFP (Multi Function Peripheral). Under such circumstances, the number of attached devices connected to the image forming apparatus has been increasing in recent years. For example, in order to give a security function to the image forming apparatus, biometric information such as a fingerprint is read from the finger of the user's hand. An authentication device such as a biometric information reading device or an IC card reader that reads user information from an IC card for providing a charging function is provided as an accessory device.

  Since such an accessory device has a problem that the operation panel becomes large when attached to the operation panel provided on the front side of the image forming apparatus, it is conventionally installed on a working table attached to the side surface of the image forming apparatus. It has a form.

Japanese Utility Model Publication No.59-63360 Japanese Utility Model Publication No. 2-112632 Japanese Patent Laid-Open No. 10-142878

  However, when an accessory device is provided on the working table, the temperature of the accessory device may increase due to the effect of heat released from the exhaust port, and the reliability of the accessory device may be reduced. There is a problem of failure.

  Therefore, the present invention has been made for the purpose of solving the above-mentioned conventional problems, and it is possible to reduce the influence of heat radiation from the exhaust port received by the auxiliary device provided on the working table, and to increase the temperature of the auxiliary device. A suppressed image forming apparatus and a working table for the image forming apparatus are provided.

  In order to achieve the above object, an invention according to claim 1 is provided with a working table attached to the side surface of the apparatus main body in a shelf shape, and having an exhaust port for releasing heat inside the apparatus main body below the working table. The working table includes an attachment device electrically connected to the apparatus main body, and a heat insulating member provided at a lower portion of the attachment device.

  According to such a configuration, the working table is provided with the attached device that is electrically connected to the apparatus main body, and further, the heat insulating member is provided at the lower portion of the attached device, so that the heat released from the exhaust port below the working table. Is prevented by the heat insulating member, and the temperature of the attached device is prevented from rising.

  According to a second aspect of the present invention, in the image forming apparatus according to the first aspect, the attachment device is detachably attached to the working table. According to such a configuration, the accessory device can be attached to the working table as necessary, and the temperature rise of the accessory device can be prevented by the heat insulating member even when the accessory device is attached to the working table.

  According to a third aspect of the present invention, in the image forming apparatus according to the first or second aspect, the auxiliary device is provided on the front side of the working table. According to such a configuration, it becomes easy to use the accessory device provided on the working table, and the operability is improved.

  According to a fourth aspect of the present invention, in the image forming apparatus according to any one of the first to third aspects, the attachment device includes a lid member that can be opened and closed at an upper portion thereof, and the lid member is closed when the lid member is closed. The upper surface of the lid member is substantially flush with the upper surface of the working table. According to such a configuration, the accessory device can be used by opening the lid member, and the lid member is closed when the accessory device is not used, so The entire upper surface of the working table including can be used as a work space.

  According to a fifth aspect of the present invention, in the image forming apparatus according to the first or second aspect, the auxiliary device is provided on a side surface of the working table. With this configuration, the entire upper surface of the working table can be used as a work space.

  According to a sixth aspect of the present invention, in the image forming apparatus according to any one of the first to fifth aspects, the working table is supported by the table main body fixed to the main body of the apparatus above the exhaust port, and the table main body. A sub-table that is movable between a state of being housed in the table body and a state of being pulled out of the table body, and is positioned away from above the exhaust port in the state of being pulled out of the table body. The attachment device is provided on the sub-table, and the heat insulating member is provided on the table body.

  According to such a configuration, in the state where the sub-table is housed in the table body, since the heat insulating member exists below the attached device, the influence of heat released from the exhaust port below the working table is blocked by the heat insulating member, and the attached device When the sub-table is pulled out from the table body, the accessory device is located away from the upper side of the exhaust port, so there is no effect of heat released from the exhaust port below the working table. The temperature rise of the apparatus can be prevented.

  The invention according to claim 7 is an image forming apparatus including a working table attached to the side surface of the apparatus main body in a shelf shape, and having an exhaust port for releasing heat inside the apparatus main body below the working table. An attachment device electrically connected to the apparatus main body is provided, and the attachment device is provided at a position away from above the exhaust port in the working table.

  According to such a configuration, since the attachment device is provided at a position away from the upper side of the exhaust port, the influence of heat released from the exhaust port below the working table is eliminated, and an increase in the temperature of the attachment device can be prevented.

  According to an eighth aspect of the present invention, in the image forming apparatus according to the seventh aspect, the working table is supported by the table main body fixed to the main body of the apparatus above the exhaust port, and is stored in the table main body. And a sub-table that is movable from the table main body and pulled out from the table main body, and is positioned away from above the exhaust port in the state pulled out from the table main body. It is provided in the sub-table.

  According to a ninth aspect of the present invention, there is provided a working table for an image forming apparatus which is attached to the apparatus main body in a shelf shape above an exhaust port for releasing heat inside the apparatus main body of the image forming apparatus. And an auxiliary device electrically connected to each other, and a heat insulating member provided at a lower portion of the auxiliary device.

  According to this configuration, the working table of the image forming apparatus that can prevent the temperature increase of the attached device by the action of the heat insulating member is realized.

  According to a tenth aspect of the present invention, in the working table of the image forming apparatus according to the ninth aspect, a table main body fixed to the main body of the apparatus above the exhaust port, supported by the table main body, and stored in the table main body. A sub-table that is movable between a state and a state of being pulled out from the table main body, and is positioned away from above the exhaust port in the state of being pulled out from the table main body, In addition to being provided on the table, the heat insulating member is provided on the table body.

  Even in such a configuration, in the state where the sub-table is housed in the table body, since the heat insulating member exists below the attachment device, the influence of the heat released from the exhaust port below the working table is blocked by the heat insulation member. While the temperature rise can be prevented and the sub table is pulled out from the table body, the accessory device is located away from the upper side of the exhaust port, so there is no influence of the heat released from the exhaust port below the working table. Temperature rise can be prevented.

  According to the configuration in which the heat insulating member of the present invention is provided, the influence of the heat released from the exhaust port is blocked by the heat insulating member provided in the lower part of the accessory device, so that the temperature increase of the accessory device can be suppressed. become. Also, in the case where the attachment device provided on the working table is provided at a position away from the upper side of the exhaust port, the influence of the heat released from the exhaust port below the working table on the auxiliary device can be reduced. Temperature rise can be suppressed. Therefore, according to the present invention, it is possible to prevent the reliability of the accessory device from being lowered or the accessory device from being damaged due to the influence of heat released from the device main body.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected about the member which is mutually common in some embodiment demonstrated below, and the description which repeats about them is abbreviate | omitted.

(First embodiment)
FIG. 1 is a perspective view showing an external configuration of an image forming apparatus 1 according to the first embodiment. FIG. 1 shows XYZ coordinate systems orthogonal to each other. The front-rear direction of the image forming apparatus 1 corresponds to the X-axis direction, the front direction is the −X direction, and the rear direction is the + X direction. The vertical direction corresponds to the Y-axis direction, the upward direction is the + Y direction, and the downward direction is the -Y direction. Further, the left-right direction corresponds to the Z axis, the left direction is the + Z direction, and the right direction is the -Z direction. The same applies to the case where the XYZ coordinate system is shown in other drawings.

  As shown in FIG. 1, the image forming apparatus 1 is a so-called multifunction machine or MFP, and has a plurality of functions such as a copy function, a FAX function, a printer function, and a scanner function. It is possible to connect to a communication network such as a telephone line. The image forming apparatus 1 outputs image data read from a document to another computer via a network, accesses a computer on the network, acquires image data stored therein, and prints out the image data. And can transmit and receive data such as FAX data via a communication network. The image forming apparatus 1 includes an image reading unit 2 including a scanner unit 2a and an automatic document feeder (so-called ADF) 2b on an upper portion of the apparatus main body 1a. An image forming unit 4 is provided substantially in the center of the apparatus main body 1a, and a paper feeding unit 3 is provided in the lower part of the apparatus main body 1a.

  The image reading unit 2 is an image reading unit that reads a document and generates image data. The image reading unit 2 is configured such that, for example, a plurality of documents set on the automatic document feeder 2b are sent one by one to the scanner unit 2a, and the scanner unit 2a reads the document and outputs image data. Yes. In the example shown in the figure, the automatic document feeder 2b is provided on the scanner unit 2a. However, the automatic document feeder 2b is not essential.

  The sheet feeding unit 3 is configured to store sheets serving as image forming media and supply the sheets one by one to the image forming unit 4. The image forming unit 4 is an image forming unit that forms an image based on input image data. The image forming unit 4 forms an image on a sheet supplied from the sheet feeding unit 3 based on the input image data, and performs print output. It is configured.

  An operation panel 5 that can be operated by a user is provided on the front side (front side) of the image forming apparatus 1. The operation panel 5 includes a touch panel display unit that displays various types of information to the user, and a plurality of operation buttons that can be operated by the user are arranged around the display unit. The operation panel 5 is provided at a position on the right side of the front surface of the apparatus main body 1a at almost the same height as the scanner unit 2a so that the user can easily operate with the right hand. The user operates the operation panel 5 to select a function to be used from among a plurality of functions of the image forming apparatus 1, perform various setting operations related to the selected function, and perform operations on the image forming apparatus 1. The job execution can be instructed.

  Further, the image forming apparatus 1 includes a working table 10 attached in a shelf shape to a side surface (right side surface in the example) of the apparatus main body 1a. The upper surface of the working table 10 is substantially horizontal, and serves as a work space where documents and the like can be temporarily placed. The working table 10 is provided at substantially the same height as the scanner unit 2a in consideration of convenience when the user places a document or the like. An attachment device 9 that is electrically connected to the device main body 1a is provided at the front end portion (front end portion) of the working table 10. The attached device 9 is a biological information reading device 20 that reads biological information such as a fingerprint or a vein pattern from a finger of a user's hand, and is a device that is provided to authenticate the user in the image forming apparatus 1. By providing the attachment device 9 at the front end portion of the working table 10, for example, as an operation performed by the user with respect to the attachment device 9 in order to perform user authentication, an operation of greatly extending the arm or moving the arm is performed. Since it is not necessary, operability is improved.

  Such a working table 10 is an optional part of the image forming apparatus 1, for example, and is attached to the side surface of the apparatus main body 1 a in a shelf shape when the accessory device 9 is provided to the image forming apparatus 1.

  Further, in the apparatus main body 1a of the image forming apparatus 1, an exhaust port 7 for releasing heat generated inside the apparatus main body 1a to the outside is provided below the working table 10. The exhaust port 7 is provided at a height position between the working table 10 and the door member 6 that opens and closes the side surface of the apparatus main body 1a at the time of JAM processing or the like, and a plurality of slit-like long holes having a width of several millimeters are provided in the apparatus. It is the structure arrange | positioned at equal intervals along the front-back direction of the main body 1a.

  FIG. 2 is a diagram illustrating an internal structure of the apparatus main body 1a when the image forming apparatus 1 is viewed from the front side. A sheet fed from the sheet feeding unit 3 is conveyed to the image forming unit 4 along a predetermined conveyance path 44. FIG. 2 shows an example of the image forming apparatus 1 that forms a color image. The image forming unit 4 is a color composed of four colors of yellow (Y), magenta (M), cyan (C), and black (K). An image is formed on the intermediate transfer belt 41, and the color image on the intermediate transfer belt 41 is transferred to the sheet when the sheet conveyed through the conveyance path 44 passes the transfer unit 42. The color image transferred to the sheet is fixed on the sheet when the sheet passes through the fixing unit 43. The fixing unit 43 fixes the color image by heating and pressurizing the sheet through a fixing roller or the like. The sheet on which the color image is fixed is then discharged from the discharge port 46 to the sheet discharge unit 8 provided on the upper portion of the image forming unit 4. In the case of double-sided printing, the paper on which the color image is formed on one side is turned over by returning to the double-sided printing conveyance path 45, and the color image is formed on the other side by passing again through the conveyance path 44. It is formed.

  With the above configuration, when an image is formed on a sheet, heat is generated in each part inside the apparatus main body 1a. A member that generates a large amount of heat is the fixing unit 43. Therefore, the exhaust port 7 is provided near and above the fixing unit 43 so that heat generated in the fixing unit 43 can be efficiently released to the outside. The heat generated inside the apparatus main body 1a is released through the exhaust port 7 as shown by the arrow F in FIG. 2, and the flow direction is a plan view with respect to the side surface of the apparatus main body 1a in which the exhaust port 7 is formed. It is a right angle and faces upward. Therefore, the structure is such that relatively high-temperature air released from the exhaust port 7 touches the lower surface of the working table 10 attached above the exhaust port 7.

  In the present embodiment, in order to prevent the attachment device 9 provided on the working table 10 from being affected by the exhaust heat released from the exhaust port 7, a heat insulating material such as a foaming material is provided below the table body 11 constituting the working table 10. The member 12 is arranged. The heat insulating member 12 may be disposed below the attachment device 9. Therefore, the heat insulating member 12 may be affixed to the bottom surface of the table body 11 or may be laid inside the table body 11.

  FIG. 3 is a view of the image forming apparatus 1 as seen from the side surface to which the working table 10 is attached. In the present embodiment, the working table 10 is attached within and above the formation range W of the exhaust port 7 provided in the front-rear direction of the apparatus main body 1a. For this reason, the position P1 of the attachment device 9 is also within the formation range W of the exhaust port 7 that may be affected by the heat released from the device body 1a in the front-rear direction. Since the heat insulating member 12 is provided below, the heat released from the exhaust port 7 does not raise the temperature of the accessory device 9. That is, the attachment device 9 provided on the working table 10 is less affected by the heat released from the exhaust port 7 by the heat insulating member 12 provided below, so that the temperature increase of the attachment device 9 is suppressed. It has become. Therefore, the reliability of the attachment device 9 can be maintained, and the failure of the attachment device 9 due to the temperature rise can be prevented.

  FIG. 4 is an enlarged view showing the working table 10 of the image forming apparatus 1. The biological information reading device 20 provided as the attachment device 9 is embedded so as not to protrude above the upper surface of the table main body 11 at the front end (front surface) 11 a of the table main body 11. The biometric information reading device 20 includes a reading unit 20a formed in a groove shape so that the user can place his / her finger during user authentication. Further, the biological information reading apparatus 20 includes a rotating shaft 20b at the upper end of the rear end, and a lid member 20c that rotates in the direction of arrow R1 in the drawing to open and close the upper portion of the reading unit 20a. Is provided. Therefore, when the user performs user authentication using the biological information reading device 20, the lid member 20c is rotated backward as shown in FIG. 4 so that the upper part of the reading unit 20a is opened. The finger can be placed on the reading unit 20a by a natural operation from the front side of the image forming apparatus 1. The lid member 20c is provided so that the upper surface of the lid member 20c is substantially flush with the upper surface of the working table 10 (table body 11) when the upper portion of the reading unit 20a is closed. Therefore, when the biological information reader 20 is not used, the lid member 20c is kept closed so that the entire upper surface of the working table 10 including the upper portion of the biological information reader 20 can be used as a work space. And since the above-mentioned heat insulation member 12 is provided in the lower part of the biometric information reader 20 as shown in FIG. 4, the biometric information reader 20 has a structure which is not influenced by the heat radiation from the exhaust port 7. .

  In addition to the embodiment shown in FIG. 4, the attachment device 9 installed on the working table 10 has various embodiments. Hereinafter, some examples regarding various aspects related to the attachment device 9 installed on the working table 10 will be described.

  Next, FIG. 5 is a diagram illustrating an example of an installation mode different from the installation mode of the attachment device 9 illustrated in FIG. 4. In this example, the biological information reading device 21 provided as the attachment device 9 is built in the front end portion (front portion) 11a and the corner portion of the side surface portion 11b of the table body 11. And the opening part 11c is provided in the side wall of the table main body 11, and the reading part 21a of the biometric information reader 21 is installed sideways inside this opening part 11c. Therefore, when the user performs user authentication using the biometric information reading device 21, an operation is performed in which the finger of the hand is attached to the reading unit 21a through the opening 11c of the working table 10. In the case of such an installation mode, the entire upper surface of the working table 10 can be used as a work space regardless of the use state or non-use state of the biological information reader 21. Also in this case, as shown in FIG. 5, since the above-described heat insulating member 12 is provided below the biological information reading device 21, the biological information reading device 21 has a structure that is not affected by heat radiation from the exhaust port 7. It has become.

  Next, FIG. 6 is a diagram showing an example when the IC card reader 22 is provided on the working table 10 as the accessory device 9. The IC card reader 22 is an authentication device for authenticating a user in the same manner as the above-described biometric information reading devices 20 and 21, and is a device that reads and outputs user information from an IC card held by the user, for example. As shown in FIG. 6, the IC card reader 22 provided as the accessory device 9 is embedded in the front end portion (front portion) 11 a of the table main body 11 so as not to protrude above the upper surface of the table main body 11. . The IC card reader 22 has a reading portion 22a formed in a flat plate shape for placing an IC card to be read. Further, the IC card reader 22 is provided with a rotating shaft 22b at the upper end of the rear end, and the rotating shaft 22b is provided with a lid member 22c that rotates in the direction of arrow R2 in the drawing to open and close the upper portion of the reading portion 22a. It has been. Therefore, when the user performs user authentication using the IC card reader 22, as shown in FIG. 6, the lid member 22c is rotated rearward to open the upper portion of the reading unit 22a. The IC card can be placed on the reading unit 22a by a natural operation from the front side of the image forming apparatus 1. The lid member 22c is provided so that the upper surface of the lid member 22c is substantially flush with the upper surface of the working table 10 (table body 11) when the upper portion of the reading unit 22a is closed. Therefore, when the IC card reader 22 is not used, the lid member 22c is closed so that the entire upper surface of the working table 10 including the upper portion of the IC card reader 22 can be used as a work space. As shown in FIG. 6, the above-described heat insulating member 12 is provided below the IC card reader 22, so that the IC card reader 22 has a structure that is not affected by heat radiation from the exhaust port 7.

  Next, FIG. 7 is a diagram showing an example in which the working device 10 is provided with a counting device 23 that counts the number of copies and the like as the attached device 9. The count device 23 is a device in which a detachable counter 24 is mounted, and the count value of the mounted counter 24 is incremented by 1 as the image forming apparatus 1 performs a copy operation. As shown in FIG. 6, the counting device 23 provided as the attachment device 9 is embedded in the side surface portion 11 b of the table body 11. The counting device 23 has a mounting portion 23 a for mounting the counter 24. Therefore, by mounting the counter 24 in the mounting unit 23a of the count device 23, the copy function can be used in the image forming apparatus 1 and charging can be performed according to the count value of the counter 24. Also in this example, the entire upper surface of the working table 10 can be used as a work space. Further, as shown in FIG. 7, since the above-described heat insulating member 12 is provided in the lower part of the counting device 23, the counting device 23 has a structure that is not affected by heat radiation from the exhaust port 7. In addition to this, for example, when a removable memory card is mounted and a memory card reader / writer for writing and reading data is provided as the accessory device 9, the configuration is the same as in FIG.

  Next, FIG. 8 is a diagram illustrating a configuration example in which the attachment device 9 is not built in the working table 10 in advance, but can be attached to and detached from the working table 10 as necessary. The working table 10 is provided with a mounting portion 11d for mounting the attachment device 9 on a part of the front end portion (front portion) 11a of the table body 11, and the attachment device 9 is provided at the back end portion of the mounting portion 11d. There is provided a connector portion 11e that is electrically connected to the accessory device 9 when the is attached. Normally, the mounting portion 11d is closed with a detachable lid member 25, and the lid member 25 is removed when the attachment device 9 is mounted on the mounting portion 11d. The attachment device 9 attached to the attachment unit 11d is configured as, for example, a biometric information reading device 26, and includes a reading unit 26a formed in a groove shape so that the user can place his / her finger during user authentication. In addition, a connector (not shown) that joins the connector portion 11e described above is provided on the back side of the biological information reader 26. The aspect in which such a biological information reading device 26 is attached to the attachment portion 11d is substantially the same as the aspect shown in FIG. Also in this case, since the above-described heat insulating member 12 is provided below the biological information reader 26 mounted on the working table 10, the biological information reader 26 is not affected by the heat radiation from the exhaust port 7. It has a structure. Thus, by making the attachment device 9 detachable from the working table 10, it is possible to replace only the attachment device 9 without replacing the working table 10.

  As described above, the image forming apparatus 1 according to the present embodiment has a configuration in which the working table 10 is attached to the side surface of the apparatus main body 1a in a shelf shape and the exhaust port 7 that releases heat inside the apparatus main body 1a is provided below the working table 10. The working table 10 is provided with an attachment device 9 that is electrically connected to the apparatus main body 1a, and a heat insulating member 12 is provided below the attachment device 9. Therefore, the heat released from the exhaust port 7 below the working table 10 is blocked by the heat insulating member 12 and does not affect the auxiliary device 9, so that the temperature increase of the auxiliary device 9 can be prevented well. .

  In the present embodiment, the configuration example in the case where the heat insulating member 12 is disposed on the entire lower part of the table main body 11 of the working table 10 has been shown. However, the heat insulating member 12 is provided at least below the attachment device 9 installed on the working table 10. It suffices to provide it, and it is not always necessary to provide the entire lower part of the table body 11.

(Second Embodiment)
Next, a second embodiment will be described. FIG. 9 is a perspective view showing an external configuration of the image forming apparatus 1 according to the second embodiment. The difference between the image forming apparatus 1 of the present embodiment and the first embodiment is the configuration of the working table 10. The working table 10 of the present embodiment includes a table body 11 that is fixed to a side surface of the apparatus body 1 a and a sub-table 14 that is supported by the table body 11. The sub-table 14 slides in the S direction (front-rear direction) parallel to the X axis with respect to the table main body 11 and can move between the state stored in the table main body 11 and the state pulled out from the table main body 11. It is provided as such. The upper surface of the table body 11 and the upper surface of the sub-table 14 are substantially flat, and can be used as a work space for temporarily placing a document or the like.

  10A and 10B are enlarged views of the upper part of the image forming apparatus 1 according to the present embodiment. FIG. 10A shows a state in which the sub table 14 is pulled out from the table body 11, and FIG. 10B shows the sub table 14 in the table. The state accommodated in the main body 11 is shown. As shown in FIG. 10A, at the front end of the sub-table 14, two devices, a biological information reader 20 and an IC card reader 22, are provided as the accessory device 9 connected to the device body 1a. ing. These attachment devices 9 are embedded in the front end portion of the sub-table 14 so as not to protrude above the upper surface of the sub-table 14. In the illustrated example, the case where both the biological information reading device 20 and the IC card reader 22 are provided at the front end of the sub-table 14 as the attachment device 9 is illustrated, but only one of them is provided. It is good also as the provided structure. Further, an auxiliary device 9 other than the biometric information reading device 20 and the IC card reader 22 that the user needs to operate when using the image forming apparatus 1 may be provided at the front end of the sub-table 14. .

  As shown in FIG. 10A, when the sub-table 14 is pulled out from the table body 11, the user holds the biometric information reading device 20 and the IC card reader 22 provided as the attachment device 9 at the front end of the sub-table 14. It is in a usable state. In this state, the biological information reader 20 and the IC card reader 22 are located further forward than the front end of the table main body 11, and in the present embodiment, located on the right side of the operation panel 5 and in the vicinity of the operation panel 5. It becomes a state to do. Therefore, when the sub-table 14 is pulled out from the table body 11 and the biometric information reading device 20 and the IC card reader 22 are ready for use, the biometric information reading device 20 or the IC card is used when the user uses the image forming apparatus 1. Since the movement distance of the arm between the reader 22 and the operation panel 5 can be reduced, the operability is improved. At this time, since the user can use both the upper surface of the table body 11 and the upper surface of the sub-table 14 as work spaces, the convenience as the working table 10 is improved.

  The table body 11 of the working table 10 includes a USB hub 25 provided as an attachment device 9 at the rear end thereof. The USB hub 25 is a line concentrator for connecting various accessory devices having a USB connector. The USB hub 25 is provided at the rear end of the working table 10 in the present embodiment because the user does not perform any operation on the image forming apparatus 1 when using the image forming apparatus 1. By providing the USB hub 25 at the rear end of the working table 10, various other attachment devices can be connected to the image forming apparatus 1, and these attachment devices can be used on the front side of the USB hub 25. Can be installed.

  On the other hand, when the sub-table 14 pulled out to the front side is in the way, the sub-table 14 is pushed into the table body 11 from the front side as shown in FIG. The table is housed inside the table body 11. At this time, the front end portion of the sub table 14 is retracted to a position substantially flush with the front end portion of the table body 11, and the attachment device 9 provided on the sub table 14 is also housed inside the table body 11.

  In the present embodiment, in order to prevent the attachment device 9 provided on the working table 10 from being affected by the exhaust heat released from the exhaust port 7, a heat insulating material such as a foaming material is provided below the table body 11 constituting the working table 10. The member 12 is arranged. The heat insulating member 12 may be affixed to the bottom surface of the table body 11 or may be laid inside the table body 11.

  FIG. 11 is a view of the image forming apparatus 1 according to the present embodiment as viewed from the side surface to which the working table 10 is attached. In the present embodiment, the table body 11 of the working table 10 is attached within and above the formation range W of the exhaust port 7 provided in the front-rear direction of the apparatus body 1a. Therefore, when the sub-table 14 is stored in the table main body 11, the attachment device 9 provided on the sub-table 14 moves within the formation range W of the exhaust port 7 with respect to the front-rear direction. Since the heat insulating member 12 provided in 11 is located below the attachment device 9, the heat released from the exhaust port 7 does not raise the temperature of the attachment device 9.

  When the sub table 14 is pulled out from the table body 11, the attachment device 9 provided on the sub table 14 moves to the vicinity of the operation panel 5. In this state, as shown in FIG. 11, the position P <b> 2 of the attachment device 9 provided on the sub-table 14 may be affected by the heat released from the apparatus main body 1 a in the front-rear direction of the image forming apparatus 1. 7 is outside the formation range W, and is away from the upper side of the exhaust port 7. Therefore, even when the sub table 14 is pulled out from the table body 11 and the attachment device 9 is ready for use, the attachment device 9 provided on the sub table 14 is not affected by the heat released from the exhaust port 7. In addition, the temperature increase of the accessory device 9 can be prevented.

  Further, since the heat insulating member 12 is also disposed below the attachment device 9 (USB hub) provided at the rear end portion of the table body 11, the temperature of the attachment device 9 rises due to heat released from the exhaust port 7. Nor.

  As described above, the image forming apparatus 1 according to the present embodiment includes the sub table 14 that is movable between the state in which the working table 10 is stored in the table main body 11 and the state in which the working table 10 is pulled out from the table main body 11. The auxiliary device 9 is configured to be positioned away from the upper side of the exhaust port 7 in a state where it is pulled out from the main body 11. The table body 11 is provided with a heat insulating member 12. Therefore, the attachment device 9 provided in the sub-table 14 is not affected by the heat released from the exhaust port 7 in either the state of being housed in the table body 11 or the state of being pulled out of the table body 11. In addition, the attachment device 9 provided in the table body 11 is also configured not to be affected by the heat released from the exhaust port 7.

  In this embodiment, the configuration example in the case where the heat insulating member 12 is disposed on the entire lower portion of the table main body 11 of the working table 10 is shown. However, the heat insulating member 12 is attached to at least the working table 10 when the sub-table 14 is stored. It is only necessary to be provided below the apparatus 9, and it is not always necessary to provide the entire lower part of the table body 11. When the USB hub 25 serving as the attachment device 9 is not provided at the rear end of the table body 11, the heat insulation member 12 is not necessarily provided in the table body 11, and the heat insulation member 12 may be provided in the sub-table 14. .

(Third embodiment)
Next, a third embodiment will be described. FIG. 12 is a view of the image forming apparatus 1 according to the third embodiment as viewed from the side surface to which the working table 10 is attached. In this embodiment, the working table 10 is extended outside the formation range W of the exhaust port 7 in the front-rear direction of the apparatus main body 1a. In the case of the illustrated example, the front end of the table main body 11 of the working table 10 is attached to the side surface of the apparatus main body 1 a so as to be positioned further forward than the formation range W of the exhaust port 7. The attachment device 9 electrically connected to the device body 1a is provided at the front end of the table body 11, and its position P3 is outside the formation range W of the exhaust port 7, and the exhaust port 7 is located away from above. Therefore, in this embodiment, it is not necessary to provide the heat insulating member 12 below the attachment device 9.

  Thus, in the present embodiment, the attachment device 9 provided at the front end of the working table 10 is provided at a position away from the upper side of the exhaust port 7, so that it is not affected by the heat released from the exhaust port 7. The temperature increase of the accessory device 9 can be suppressed.

  Further, when the sub-table 14 movable with respect to the table main body 11 is provided as in the second embodiment, the accessory provided on the sub-table 14 in a state where the sub-table 14 is stored in the table main body 11. By determining the mounting position of the table main body 11 as shown in FIG. 12 so that the apparatus 9 is located away from the upper side of the exhaust port 7, it is not necessary to provide the heat insulating member 12 in the table main body 11. Therefore, it becomes possible to suppress the temperature increase of the accessory device 9 while suppressing the component cost.

  In the case of this embodiment, the flow direction of air when the heat inside the apparatus main body 1a is released to the outside with respect to each of a large number of slit-like long holes constituting the exhaust port 7 is the apparatus main body 1a. It is more preferable to provide a flow direction restricting means such as a rectifying plate that is directed to the rear side of the head so that relatively high-temperature air does not flow to the front end side of the working table 10 provided with the attachment device 9.

(Modification)
As mentioned above, although several embodiment regarding this invention was described, this invention is not limited to the thing of the content mentioned above.

  For example, in each of the above-described embodiments, the case where the image forming apparatus 1 is an apparatus having a plurality of functions such as a copy function, a FAX function, a printer function, and a scanner function is exemplified. It is not necessary to have at least one of the above-described functions.

  In addition, it goes without saying that various modifications can be applied to the above-described embodiments within the scope of the present invention.

1 is a perspective view illustrating an example of an external configuration of an image forming apparatus according to a first embodiment. FIG. 2 is a diagram illustrating an example of an internal structure of the apparatus main body when the image forming apparatus is viewed from the front side. 1 is a diagram of an image forming apparatus according to a first embodiment as viewed from a side surface to which a working table is attached. FIG. 3 is an enlarged view illustrating a configuration example of a working table of the image forming apparatus. FIG. 5 is an enlarged view showing a configuration example of a working table of an image forming apparatus in which the installation mode of the attached device is different from that in FIG. 4. It is a figure which shows an example at the time of providing an IC card reader as an attachment apparatus in a working table. It is a figure which shows an example at the time of providing a count apparatus in a working table as an attachment apparatus. It is a figure which shows one structural example which can attach or detach an attachment apparatus to a working table as needed. FIG. 10 is a perspective view illustrating an example of an external configuration of an image forming apparatus according to a second embodiment. 4A and 4B are enlarged views of the upper part of the image forming apparatus according to the second embodiment, in which FIG. 5A shows a state in which the sub table is pulled out from the table body, and FIG. It is. 1 is a diagram of an image forming apparatus according to a first embodiment as viewed from a side surface to which a working table is attached. It is the figure which looked at the image forming apparatus in 3rd Embodiment from the side surface to which the working table was attached.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Image forming apparatus 1a Apparatus main body 7 Exhaust port 9 Attached apparatus 10 Working table 11 Table main body 12 Thermal insulation member 14 Subtable 20 Biometric information reader (attached apparatus)
20c Lid member 21 Biological information reader (accessory device)
22 IC card reader (attached device)
22c Lid member 23 Counting device (attached device)
26 Biological information reader (accessory)

Claims (10)

In the image forming apparatus comprising a working table attached to the side surface of the apparatus main body in a shelf shape, and having an exhaust port for releasing heat inside the apparatus main body below the working table,
The working table is:
An accessory device electrically connected to the device body;
A heat insulating member provided at a lower portion of the accessory device;
An image forming apparatus comprising:   The image forming apparatus according to claim 1, wherein the attachment device is detachably attached to the working table.   The image forming apparatus according to claim 1, wherein the attachment device is provided on a front side of the working table.   The attachment device includes an openable / closable lid member at an upper portion thereof, and an upper surface of the lid member is substantially flush with an upper surface of the working table when the lid member is closed. The image forming apparatus according to claim 3.   The image forming apparatus according to claim 1, wherein the attachment device is provided on a side surface of the working table. The working table is:
A table body fixed to the apparatus body above the exhaust port;
It is supported by the table body and is movable between a state housed in the table body and a state pulled out from the table body, and is positioned away from above the exhaust port in the state pulled out from the table body. Sub-tables,
With
The image forming apparatus according to claim 1, wherein the attachment device is provided on the sub-table, and the heat insulating member is provided on the table main body. In the image forming apparatus comprising a working table attached to the side surface of the apparatus main body in a shelf shape, and having an exhaust port for releasing heat inside the apparatus main body below the working table,
The working table includes an attachment device electrically connected to the apparatus main body, and the attachment device is provided at a position away from above the exhaust port in the working table. . The working table is:
A table body fixed to the apparatus body above the exhaust port;
It is supported by the table body and is movable between a state housed in the table body and a state pulled out from the table body, and is positioned away from above the exhaust port in the state pulled out from the table body. Sub-tables,
With
The image forming apparatus according to claim 7, wherein the auxiliary device is provided on the sub-table. A working table of an image forming apparatus attached in a shelf shape to the apparatus main body above an exhaust port for releasing heat inside the apparatus main body of the image forming apparatus,
An accessory device electrically connected to the device body;
A heat insulating member provided at a lower portion of the accessory device;
A working table for an image forming apparatus. A table body fixed to the apparatus body above the exhaust port;
It is supported by the table body and is movable between a state housed in the table body and a state pulled out from the table body, and is positioned away from above the exhaust port in the state pulled out from the table body. Sub-tables,
Further comprising
The working table of an image forming apparatus according to claim 9, wherein the attachment device is provided on the sub-table, and the heat insulating member is provided on the table body.

Images