JP2018124360A - Opening/closing device and image forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening/closing device and an image forming apparatus that can improve the appearance compared with a device that has holes formed at positions not overlapped in the horizontal direction with a support part supporting an opening/closing part or a device that has holes formed at positions not hidden by the opening/closing part.SOLUTION: An image forming apparatus 10 comprises: an image forming apparatus body 12 that includes a first support part 210 and is formed with vent holes 240; and a first opening/closing part 30 that is supported by the first support part 210 and openably/closably attached to the image forming apparatus body 12. The vent holes 240 are arranged at positions at least partially overlapped in the horizontal direction with the first support part 210.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an opening / closing device and an image forming apparatus.

  Patent Document 1 has a printer main body portion having a display attachment portion and a display unit attached to the display attachment portion, and the display attachment portion has a facing surface facing the back surface of the display unit. A recess is formed in at least one of the back surface and the facing surface, and a vent is formed in a recess formed in the facing surface or a portion of the facing surface facing the recess formed in the back surface. A printer characterized in that is described.

  In Patent Document 2, an opening is formed on one side and a closing part is formed on the other to form a cylinder shape, and a body having a radioactive substance storage part therein, and the body so as to close the opening. A lid that can be attached to and detached from the main body, a casing that is provided on an outer peripheral portion of the trunk body and that houses a neutron shield, and a heat transfer fin joined to the trunk body and the casing in the casing; In the radioactive substance storage container, the heat transfer fin is made of a plate-shaped base material made of a metal material having a high heat transfer property and a metal material having an affinity for the metal material forming the body and the casing. There is described a radioactive substance storage container comprising a bonding material disposed only at both ends of the base material, wherein each of the bonding materials is welded to the trunk body and the casing. .

  Patent Document 3 discloses a fixing device that heats a recording medium on which a toner image is formed to fix the toner on the recording medium, a conveyance path that guides the recording medium that has passed through the fixing device to the downstream side, and an apparatus main body. In the image forming apparatus provided with a vent formed in the first side surface adjacent to the conveyance path, the air inside the apparatus main body is taken in and sprayed to water vapor generated by heating of the fixing device An air flow generating means for generating an air flow; a first air flow for blowing the air flow discharged from the air flow generating means to the water vapor coming out of the vent on the outside of the apparatus body; and on the inside of the apparatus body An image forming apparatus characterized by comprising an air flow branching means capable of branching to a second air flow sprayed on the water vapor is different.

JP 2014-151607 A JP2015-17881A JP 2010-271605 A

  For example, if a hole for ventilation or the like is formed in the apparatus main body, the aesthetic appearance of the apparatus may be impaired. Further, when the apparatus main body has an opening / closing part, the hole may be hidden even when the opening / closing part is closed with respect to the apparatus main body or when the opening / closing part is opened with respect to the apparatus main body. It is also desirable to improve aesthetics.

  The present invention improves the aesthetics as compared with a device in which a hole is formed at a position that does not overlap the support portion that supports the opening / closing portion in the horizontal direction or a device in which a hole is formed at a position that is not hidden by the opening / closing portion. It is an object of the present invention to provide an opening / closing device and an image forming apparatus.

  According to a first aspect of the present invention, there is provided an opening / closing device body provided with a support portion and having a hole formed therein, and rotatably supported by the support portion, and attached to the opening / closing device body so as to be opened and closed. An opening / closing portion, wherein the hole is disposed at a position where at least a portion thereof overlaps the support portion in the horizontal direction.

The present invention according to claim 2 further includes an airflow generation device mounted in the switchgear main body, and the airflow generation device is disposed at a position facing the hole. It is.

  The present invention according to claim 3 further includes a detachable body attached to and detached from the switchgear body, and the opening and closing unit is opened and closed when the detachable body is attached and detached. is there.

  According to a fourth aspect of the present invention, there is provided an opening / closing device body in which a hole is formed, and an opening / closing portion that is attached to the opening / closing device body so as to be openable and closable. An opening / closing device formed at a position hidden by the opening / closing part in a state where the opening / closing part is closed and in a state where the opening / closing part is opened.

  The present invention according to claim 5 is the opening and closing device according to claim 4, wherein the hole is formed such that the upper end portion is positioned below the upper end portion of the opening and closing portion in the opened state. .

  According to a sixth aspect of the present invention, there is provided an image forming apparatus main body provided with a support part and having holes formed therein, an image forming part disposed in the image forming apparatus main body, and a support part rotatably supported by the support part. An opening / closing part that is detachably mounted on the image forming apparatus main body, wherein the hole is disposed at a position where at least a portion thereof overlaps the support part in the horizontal direction. is there.

  According to a seventh aspect of the present invention, in the image forming apparatus according to the sixth aspect, the open / close section supports a recording medium on which an image is formed by the image forming section in a state where the open / close section is open with respect to the image forming apparatus main body. It is.

  According to an eighth aspect of the present invention, an image forming apparatus main body in which a hole is formed, an image forming unit disposed in the image forming apparatus main body, and an openable / closable attachment to the image forming apparatus main body. An opening / closing portion, wherein the hole is at least partially formed at a position hidden by the opening / closing portion when the opening / closing portion is closed and when the opening / closing portion is opened. .

  According to the first aspect of the present invention, the aesthetics of the opening / closing device can be improved as compared with a device in which a hole is formed at a position that does not overlap the supporting portion that supports the opening / closing portion in the horizontal direction.

  According to the second aspect of the present invention, it is possible to efficiently generate an air flow in the opening / closing device as compared with a device in which the air flow generation device is disposed at a position not facing the hole.

  According to the third aspect of the present invention, a hole is formed at a position that does not overlap in the horizontal direction with the support portion that supports the opening / closing portion, in view of the appearance of the opening / closing device in a state in which the opening / closing portion is opened to attach / detach the detachable body. This can be improved as compared with existing devices.

  According to the fourth aspect of the present invention, the aesthetics of the switchgear can be improved as compared with a device in which a hole is formed at a position that is not hidden by the switchgear.

  According to the fifth aspect of the present invention, it is possible to improve the aesthetics of the opening / closing device as compared with a device located above the upper end portion of the opening / closing portion in a state where the upper end portion of the hole is opened.

  According to the sixth aspect of the present invention, the aesthetics of the image forming apparatus can be improved as compared with an apparatus in which a hole is formed at a position that does not overlap the support portion supporting the opening / closing portion in the horizontal direction.

  According to the seventh aspect of the present invention, the aesthetic appearance of the image forming apparatus in a state in which the opening / closing part that supports the recording medium is opened is formed such that the hole is formed at a position that does not overlap the supporting part that supports the opening / closing part in the horizontal direction. This can be improved as compared with existing devices.

  According to the eighth aspect of the present invention, it is possible to improve the aesthetics of the image forming apparatus as compared with an apparatus in which a hole is formed at a position that is not hidden by the opening / closing part.

1 is an external view of an image forming apparatus used in an embodiment of the present invention. FIG. 2 is a diagram schematically showing a cross section of the image forming apparatus shown in FIG. 1 cut along a plane A shown in FIG. 1. FIG. 3 is a diagram schematically illustrating a cross section of the image forming apparatus illustrated in FIG. 1, taken along a plane BB illustrated in FIG. 2. It is a figure which shows typically the front side board which the image forming apparatus shown in FIG. 1 has from the arrow CC side shown in FIG. Opening and closing of the opening / closing part of the image forming apparatus shown in FIG. 1 will be described. FIG. 5A is a view showing a state where the opening / closing part is closed, and FIG. 5B is a state where the opening / closing part is closed. FIG.

  Next, embodiments for carrying out the present invention will be described with reference to the drawings. FIG. 1 shows an image forming apparatus 10 used in the embodiment of the present invention. The image forming apparatus 10 is an example of an image forming apparatus described in the claims, and is an example of an opening / closing device described in the claims.

  As shown in FIG. 1, the image forming apparatus 10 includes an image forming apparatus main body 12, and the image forming apparatus main body 12 includes an exterior portion 20 and a front side plate 200 (see FIG. 2).

  A first opening / closing part 30 is attached to the front surface of the exterior part 20. The first opening / closing unit 30 is rotatably supported by the image forming apparatus main body 12 and is attached to the image forming apparatus main body 12 so as to be openable and closable. More specifically, the first opening / closing part 30 opens and closes with respect to the image forming apparatus main body 12 as indicated by an arrow a. The first opening / closing unit 30 is an opening / closing unit that is opened and closed to attach and detach toner storage containers 280Y, 280Y, 280C, and 280K (see FIG. 2), which will be described later, to the image forming apparatus main body 12.

  Here, the toner storage containers 280Y, 280M, 280C, and 280K are examples of a detachable body that is detachably attached to the image forming apparatus main body 12. The toner storage container 280Y stores yellow toner, the toner storage container 280M stores magenta toner, the toner storage container 280C stores cyan toner, and the toner storage container 280K stores black toner. Is housed. In the following description, when it is not necessary to distinguish between the toner storage containers 280Y, 280M, 280C, and 280K, these are collectively referred to as a toner storage container 280.

  A gap 34 is formed below the first opening / closing part 30. The gap 34 allows the inflow of air into the image forming apparatus main body 12 and the discharge of air from the image forming apparatus main body 12.

  A second opening / closing part 40 is attached below the first opening / closing part 30 on the front surface of the exterior part 20. The second opening / closing unit 40 is rotatably supported by the image forming apparatus main body 12 and is attached to the image forming apparatus main body 12 so as to be openable and closable. More specifically, the second opening / closing unit 40 opens and closes with respect to the image forming apparatus main body 12 as indicated by an arrow b.

  The second opening / closing unit 40 is a so-called manual feed tray, and supports a sheet on which an image is formed by the image forming unit 100 described later from the lower side in the direction of gravity when the tray is opened with respect to the image forming apparatus main body 12. Here, the paper is an example of a recording medium.

  A gap 44 is formed below the second opening / closing part 40. The gap 44 enables inflow of air into the image forming apparatus main body 12 and discharge of air from the image forming apparatus main body 12.

  In addition, on the front surface of the exterior part 20 and below the second opening / closing part 40, a drawer part 50 is mounted. As shown by the arrow c, the drawer part 50 can be pulled out to the front side with respect to the exterior part 20, can be moved from the pulled out state to the rear side, and can be stored in the exterior part 20. .

  A third opening / closing part 60 is attached to the right side surface of the exterior part 20. The third opening / closing part 60 is rotatably supported by the image forming apparatus main body 12 and is attached to the image forming apparatus main body 12 so as to be openable and closable. More specifically, the third opening / closing unit 60 opens and closes with respect to the image forming apparatus main body 12 as indicated by an arrow d. The third opening / closing part 60 is an opening / closing part that is opened / closed to attach / detach a waste toner collecting container 290 (see FIG. 2) described later to / from the image forming apparatus main body 12.

  Here, the waste toner collection container 290 is an example of a detachable body that is detachably attached to the image forming apparatus main body 12.

  A gap 66 is formed below the third opening / closing part 60. The gap 66 allows air to flow into the image forming apparatus main body 12 and discharge of air from the image forming apparatus main body 12.

  Further, on the upper surface of the exterior part 20, a discharge part 22 for discharging the paper on which the image is formed is formed.

  The exterior part 20, the 1st opening / closing part 30, the 2nd opening / closing part 40, the drawer | drawing-out part 50, and the 3rd opening / closing part 60 are formed, for example with resin.

  FIG. 2 is a diagram schematically showing a cross section of the image forming apparatus 10 taken along the plane A shown in FIG. In FIG. 2, for convenience of illustration, illustration of an image forming unit 100 and the like described later is omitted.

  As shown in FIG. 2, the front side plate 200 of the image forming apparatus main body 12 includes first support portions 210 and 210. A first support hole 212 is formed in each of the first support portions 210 and 210, and each of the first support portions 210 and 210 opens and closes the first opening / closing portion 30 with respect to the image forming apparatus main body 12. Support so that you can.

  As shown in FIG. 2, the first opening / closing part 30 includes first shaft parts 32, 32. The first opening / closing portion 30 is supported by the front side plate 200 such that the first shaft portions 32, 32 are inserted into the first support holes 212, 212, respectively. The first opening / closing part 30 opens / closes with respect to the image forming apparatus main body 12 so as to rotate about the first shaft parts 32, 32.

  The front side plate 200 of the image forming apparatus main body 12 has second support portions 214 and 214 (see FIG. 3, the second support portion 214 located on the right side of the second support portions 214 and 214 arranged on the left and right sides, respectively). (Only shown in FIG. 3). A second support hole 216 is formed in each of the second support portions 214 and 214, and each of the second support portions 214 and 214 opens and closes the second opening / closing portion 40 with respect to the image forming apparatus main body 12. Support so that you can.

  Further, the second opening / closing part 30 includes only second shaft parts 42 and 42 (refer to FIG. 3, only the second shaft part 42 positioned on the right side of the second shaft parts 42 and 42 respectively disposed on the left and right sides). (Shown in FIG. 3). The second opening / closing part 40 is supported by the front side plate 200 such that the second shaft parts 42, 42 are inserted into the second support holes 216, 216, respectively. Further, the second opening / closing part 40 opens and closes with respect to the image forming apparatus main body 12 so as to rotate around the second shaft parts 42, 42.

  As shown in FIG. 2, the image forming apparatus main body 12 further includes third support portions 70 and 70. Third support holes 70, 70 are formed with third support holes 72, 72, respectively. The third support holes 72, 72 respectively connect the third opening / closing part 60 to the image forming apparatus main body 12. It supports so that it can be opened and closed.

  Further, as shown in FIG. 2, the third opening / closing part 60 has third shaft parts 62, 62. The third opening / closing part 60 is supported by the image forming apparatus main body 12 such that the third shaft parts 62, 62 are inserted into the third support holes 72, 72, respectively. The third opening / closing part 60 opens and closes with respect to the image forming apparatus main body 12 so as to rotate about the third shaft parts 62 and 62.

  As shown in FIG. 2, toner storage containers 280Y, 280M, 280C, and 280K are arranged in the image forming apparatus main body 12. The toner storage containers 280Y, 280M, 280C, and 280K can be attached to the image forming apparatus main body 12 as indicated by an arrow e with the first opening / closing portion 30 opened, and are pulled out from the image forming apparatus main body 12. be able to.

  As shown in FIG. 2, a waste toner collection container 290 is disposed in the image forming apparatus main body 12. The waste toner collection container 290 can be attached to the image forming apparatus main body 12 as indicated by the arrow f with the third opening / closing part 60 opened, and can be pulled out from the image forming apparatus main body 12. The waste toner collection container 290 collects toner and the like removed from the photosensitive drum 112 described later.

  Further, as shown in FIG. 3, a fixing device 450 is disposed in the image forming apparatus main body 12. Details of the fixing device 450 will be described later.

  Further, as shown in FIG. 3, a fan device 400 is disposed in the image forming apparatus main body 12. The fan device 400 is an example of an airflow generation device, has a fan 402, and generates an airflow in the image forming apparatus main body 12 by rotating the fan 402.

  FIG. 3 is a diagram schematically showing a cross section of the image forming apparatus 10 taken along the plane BB shown in FIG. The above-described fixing device 450 includes a heating roll 452 having a heat source such as a halogen lamp, and a pressing member 454 that presses the sheet against the heating roll 452.

  As shown in FIG. 3, an image forming unit 100 is arranged in the image forming apparatus main body 12. The image forming unit 100 employs an electrophotographic method, for example, and forms an image on a sheet. The image forming unit 100 includes, for example, four image forming units 110Y, 110M, 110C, and 110K. The image forming unit 110Y forms a yellow toner image, the image forming unit 110M forms a magenta image, the image forming unit 110C forms a cyan image, and the image forming unit 110K forms a black toner image.

  In the following description, when it is not necessary to distinguish the image forming units 110Y, 110M, 110C, and 110K, the image forming units 110Y, 110M, 110C, and 110K are collectively referred to as the image forming unit 110.

  The image forming unit 110 includes a photosensitive drum 112 which is an example of an image holding member, charges the surface of the photosensitive drum 112, and forms an electrostatic latent image on the charged surface of the photosensitive drum 112. The electrostatic latent image is developed with toner to form a toner image. Further, the image forming unit 110 has a cleaning device 114 that cleans the surface of the photosensitive drum 112. The toner removed from the surface of the photosensitive drum 112 by the cleaning device 114 is collected in the waste toner collection container 290 described above.

  A transfer device 130 is further arranged inside the image forming apparatus main body 12. The transfer device 130 includes an intermediate transfer belt 132 that is an example of an intermediate transfer member. The intermediate transfer belt 132 is suspended by a plurality of roller members and rotates in the direction of the arrow g.

  The transfer device 130 includes a primary transfer device 134 that transfers a toner image formed on the photosensitive drum 112 to the intermediate transfer belt 132, and a secondary transfer device 136 that fixes the toner image from the intermediate transfer belt 132 to a sheet. It has further.

  A sheet feeding device 500 is further arranged in the image forming apparatus main body 12. The paper feeding device 500 includes a paper storage unit 502 that stores paper. The paper storage unit 502 is attached to the drawer 50 and can be pulled out of the image forming apparatus main body 12 as an integral part of the drawer 50 and can be attached to the image forming apparatus main body 12 as an integral part of the drawer 50.

  The sheet feeding device 500 further includes a main delivery roll 504. The main delivery roll 504 sends out the paper stored in the paper storage unit 502 toward the secondary transfer device 136.

  The paper feeding device 500 further includes an auxiliary delivery roll 506. The auxiliary sending roll 506 sends out the sheet placed on the upper side of the second opening / closing unit 40 toward the registration roll 536 described later in a state where the second opening / closing unit 40 is opened with respect to the image forming apparatus main body 12.

  In the image forming apparatus main body 12, a conveyance path 530 for conveying paper is formed, and the conveyance path 530 includes a main conveyance path 532 and an auxiliary conveyance path 534. The main conveyance path 532 conveys the sheet from the sheet storage unit 502 toward the discharge unit 22. Along the main conveyance path 532, in order from the upstream side in the sheet conveyance direction, the main delivery roll 504, the conveyance roll 540, the registration roll 536, the secondary transfer device 136, and the fixing device 450 described above. A discharge roll 538 is disposed.

  The transport roll 540 transports the paper toward the registration roll 536.

  The registration roll 536 corrects the skew of the sheet, and sends the sheet with the corrected skew to the secondary transfer device 136 at a predetermined timing.

  The discharge roll 538 discharges the sheet on which the toner image is fixed by the fixing device 450 to the discharge unit 22.

  The auxiliary conveyance path 534 conveys paper from the auxiliary delivery roll 506 to the registration roll 536.

  4 is a diagram schematically showing the front side plate 200 from the arrow CC side shown in FIG. As described above, the front side plate 200 includes the first support portions 210 and 210, and the first support portions 210 and 210 are formed with the first support holes 212 and 212, respectively. In addition, the front side plate 200 has the second support portions 214 and 214 as described above, and the second support portions 214 and 214 are formed with the second support holes 216 and 216, respectively.

  The front side plate 200 is formed with insertion holes 230Y, 230M, 230C, and 230K into which the toner storage containers 280Y, 280M, 280C, and 280K are respectively inserted.

  Further, nine vent holes 240 are formed in the front side plate 200, for example.

  FIG. 5 illustrates the opening / closing operation of the first opening / closing part 30, FIG. 5 (A) is a diagram showing a state in which the first opening / closing part 30 is closed, and FIG. 5 (B) is the first opening / closing part. It is a figure which shows the state in which the part 30 was closed.

  In order to open the first opening / closing part 30 from the state where the first opening / closing part 30 shown in FIG. 5A is closed, the operator rotates the first shaft parts 32, 32 in the direction of the arrow a1. Moves the first opening / closing part 30. Further, in order to close the first opening / closing part 30 from the state in which the first opening / closing part 30 shown in FIG. 5 (B) is opened, the first opening / closing part 30 is rotated about the first shaft parts 32, 32 in the direction of the arrow a2. The operator moves the first opening / closing part 30.

  Further, as shown in FIG. 5A, in a state where the first opening / closing part 30 is closed, for example, at least a part of the nine vent holes 240 is arranged at a position overlapping the first support part 210 in the horizontal direction. Has been. For this reason, compared with the case where all nine vent holes 240 are arranged at positions that do not overlap the first support portion 210 in the horizontal direction, the vent holes 240 can be made less visible, and the first opening and closing It is possible to improve the aesthetics of the image forming apparatus 10 in a state where the unit 30 is closed.

  In addition, as shown in FIG. 5B, even when the first opening / closing part 30 is opened, for example, at least a part of the nine vent holes 240 is arranged at a position overlapping the first support part 210 in the horizontal direction. Has been. For this reason, compared with the case where all nine vent holes 240 are arranged at positions that do not overlap the first support portion 210 in the horizontal direction, the vent holes 240 can be made less visible, and the first opening and closing It is possible to improve the aesthetics of the image forming apparatus 10 in a state where the unit 30 is opened.

  As described above, for example, the nine vent holes 240 are at least partially hidden in the first support part 210 when the first opening / closing part 30 is closed and when the first opening / closing part 30 is opened. Is formed.

  Further, for example, the uppermost vent hole 240 of the nine vent holes 240 is formed such that the upper end portion thereof is located below the upper end portion 30a of the first opening / closing portion 30 in the opened state. ing.

  In the above description, an example in which at least a part of the vent hole 240 in the vicinity of the first support portion 210 is disposed at a position overlapping the first support portion 210 in the horizontal direction is shown, but in the vicinity of the second support portion 214. One or a plurality of holes may be formed, and at least a part of such holes may be disposed so as to overlap the second support portion 214 in the horizontal direction. Further, one or a plurality of holes may be formed in the vicinity of the third support part 70, and at least a part of such holes may be arranged so as to overlap the third support part 70 in the horizontal direction.

  Further, in the above description, at least a part of the vent hole 240 in the vicinity of the first opening / closing part 30 is in the state where the first opening / closing part 30 is closed and the second opening / closing part 30 is opened. Although the example is formed at a position hidden by 30, at least a part of the hole or holes in the vicinity of the second support portion 214 is in a state where the second opening / closing portion 40 is closed and the second opening / closing portion 40 is opened. In this state, it may be formed at a position hidden by the second opening / closing part.

  Further, a position where at least a part of the hole or holes near the third support part 70 is hidden by the third opening / closing part 60 when the third opening / closing part 60 is closed and when the third opening / closing part 60 is opened. You may make it form.

DESCRIPTION OF SYMBOLS 10 ... Image forming apparatus 12 ... Image forming apparatus main body 20 ... Exterior part 30 ... 1st opening / closing part 30a ... Upper end part 40 ... 2nd opening / closing part 60 ... 3rd opening / closing Part 70 ... Third support part 100 ... Image forming part 200 ... Front side plate 210 ... First support part 214 ... Second support part 240 ... Vent hole 400 ... Fan device

Claims (8)

A switchgear body provided with a support and having a hole;
An opening / closing part that is rotatably supported by the support part and is attached to the opening / closing device body in an openable / closable manner;
Have
The opening / closing device in which the hole is disposed at a position where at least a part thereof overlaps the support portion in the horizontal direction. An airflow generator mounted in the switchgear body;
The opening and closing device according to claim 1, wherein the airflow generation device is disposed at a position facing the hole. It further has a detachable body attached to and detached from the opening / closing device body,
The opening / closing device according to claim 1, wherein the opening / closing portion is opened / closed when the detachable body is attached / detached. A switchgear body in which a hole is formed;
An opening / closing part attached to the opening / closing device main body so as to be opened and closed;
Have
The opening / closing device in which at least a part of the hole is formed at a position hidden by the opening / closing part when the opening / closing part is closed and when the opening / closing part is opened.   The opening / closing apparatus according to claim 4, wherein the hole is formed such that an upper end portion is positioned below an upper end portion of the opening / closing portion in an opened state. An image forming apparatus main body provided with a support portion and having holes formed therein;
An image forming unit disposed in the image forming apparatus main body;
An opening / closing part rotatably supported by the support part and attached to the image forming apparatus main body so as to be opened and closed;
Have
The image forming apparatus, wherein at least a part of the hole overlaps with the support portion in a horizontal direction.   The image forming apparatus according to claim 6, wherein the opening / closing section supports a recording medium on which an image is formed by the image forming section in a state where the opening / closing section is opened with respect to the image forming apparatus main body. An image forming apparatus main body in which holes are formed;
An image forming unit disposed in the image forming apparatus main body;
An opening / closing part attached to the image forming apparatus main body so as to be opened and closed;
Have
The image forming apparatus, wherein at least a part of the hole is formed at a position hidden by the opening / closing part when the opening / closing part is closed and when the opening / closing part is opened.

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