JP6323092B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device in which a second housing is provided so as to be rotatable with respect to the first housing.

  2. Description of the Related Art Conventionally, there is known an electronic apparatus in which a second casing is provided so as to be rotatable with respect to a first casing. As such an electronic apparatus, there is an image recording apparatus that records an image on a recording sheet. In such an image recording apparatus, the second casing is supported by the first casing above the first casing. Then, the second housing is rotated in a direction to open the upper side of the first housing at the time of maintenance or paper jam processing.

  In the image recording apparatus as described above, Patent Document 1 discloses that when the second casing is rotated from the state in which the upper side of the first casing is opened to the direction in which the upper side of the first casing is covered, It is disclosed that a braking action is exerted against the rotation of the housing.

  An image recording apparatus disclosed in Patent Document 1 connects a first housing and a second housing, and supports the second housing in a state where the upper side of the first housing is opened; A guide member provided in the second housing and having a guide groove. A protrusion provided at the end of the support member on the second housing side is slidably inserted into the guide groove. The guide member protrudes toward the end of the support member on the second housing side, and by pressing the end of the support member on the second housing side, the first housing of the second housing There is provided a load applying member that provides a resistance against rotation in a direction to cover the upper portion and exerts a braking action.

JP 2006-44061 A

  However, in the guide member of the image recording apparatus disclosed in Patent Document 1, the load applying member is provided on the same surface as the guide groove. For this reason, when the load applying member presses the end of the support member on the second housing side, the support member moves in a direction away from the guide groove. Thereby, there exists a possibility that the protrusion provided in the supporting member may come off from the guide groove.

  The present invention has been made in view of the above problems, and an object of the present invention is to connect a support member that supports a second housing that is rotatable with respect to the first housing to the second housing. An object of the present invention is to provide a structure that can be maintained even in a state in which a braking action against rotation of a housing is exhibited.

  (1) An electronic device according to the present invention is disposed so as to be rotatable with respect to a first housing and the first housing, and the first position and the tip thereof are located above the first housing than the first position. A second housing rotatable to a second position distant from the first housing, a first end portion rotatably disposed on the first housing, and a protrusion provided on the second end portion. A support member that supports the second housing at two positions; and a second support member that is provided on the second housing, and that supports the second housing relative to the first housing in conjunction with the rotation of the second housing. A first guide member formed with a guide groove for guiding the protrusion so as to rotate; a second guide member provided on the second housing opposite to the first guide member; and the second guide. A pressing portion that is provided on the member, protrudes toward the first guide member, and presses the second end portion of the support member.

  According to this configuration, when the pressing portion presses the second end portion of the support member, it is possible to exert a braking action against the rotation of the second housing. Here, the pressing portion protrudes from the second guide member toward the first guide member. Thereby, the 2nd end part of the support member pushed by the press part moves toward the 1st guide member. That is, the protrusion provided at the second end of the support member moves in the direction of entering the guide groove. As a result, the possibility that the protrusion is detached from the guide groove can be reduced.

  (2) In the electronic device according to the present invention, the first guide member and the second guide member may be arranged on the outer side of at least one of the first guide member and the second guide member in the facing direction in which the first guide member and the second guide member face each other. It further includes an elastic member that is provided at a position where it can contact the guide member or the second guide member and elastically deforms in a direction in which the distance between the first guide member and the second guide member varies.

  When the pressing portion presses the second end of the support member, the distance between the first guide member and the second guide member is widened by the reaction force from the support member. When such a widening of the interval is allowed without limit, even if the pressing portion presses the second end portion of the support member, the braking action against the rotation of the second housing cannot be sufficiently exhibited. So, according to this structure, the electronic device is provided with the elastic member. As a result, at least one of the first guide member or the second guide member moved by being pushed by the pressing portion comes into contact with the elastic member. As a result, the spread of the interval between the first guide member or the second guide member is restricted. That is, the elastic member functions as a reinforcing material that restricts the movement of the first guide member or the second guide member. Thereby, the braking action with respect to rotation of the 2nd housing | casing produced when a press part presses the 2nd edge part of a supporting member can be maintained.

  (3) The elastic member is a leaf spring having a pair of plate portions provided at positions sandwiching the first guide member and the second guide member in the facing direction.

  According to this configuration, since the movement of both the first guide member and the second guide member is restricted by the leaf spring, the movement of one of the first guide member and the second guide member is restricted by the elastic member. Also, the braking action against the rotation of the second housing that occurs when the pressing portion presses the second end portion of the support member can be sufficiently exerted.

  (4) The support member includes a convex portion protruding from the second end portion toward the second guide member. The pressing portion presses the convex portion.

  According to this configuration, it is possible to exert a braking action on the rotation of the second housing only when the pressing portion presses the convex portion. Thereby, the user can easily recognize the timing at which the braking action is exhibited when the second housing is rotated.

  (5) A plurality of the pressing portions are provided at intervals along the guide direction of the protrusion in the guide groove.

  According to this structure, the braking action with respect to rotation of the second housing can be exhibited stepwise. Thereby, it can alert a user that the braking action with respect to rotation of the 2nd case is exhibited.

  (6) Among the plurality of pressing portions, the one closest to the tip of the second casing protrudes most toward the first guide member side.

  According to this configuration, the braking action against the rotation of the second casing is most strongly exerted immediately before the second casing is positioned at the first position. The possibility of being injured by being sandwiched between the casings can be reduced.

  (7) An electronic apparatus according to the present invention includes a recording unit that is provided in the first housing and records an image on a recording medium that is transported through a transport path. The second casing covers the upper side of the first casing at the first position and opens the upper side of the first casing at the second position to expose the transport path.

  According to this configuration, when the recording medium is jammed in the conveyance path, the recording medium can be taken out by rotating the second housing to the second position.

  According to the present invention, the connection of the support member that supports the second casing that can rotate with respect to the first casing to the second casing exerts a braking action against the rotation of the second casing. Can also be maintained.

FIG. 1 is an external perspective view of the multifunction machine 10 with the scanner housing 17 in the first position. FIG. 2 is an external perspective view of the multifunction machine 10 with the scanner housing 17 in the second position. FIG. 3 is a longitudinal sectional view schematically showing the internal structure of the printer unit 11. 4A and 4B are views showing the guide member 14, in which FIG. 4A shows a front view, FIG. 4B shows a right side view, and FIG. 4C shows a bottom view. It is shown. 5A is a perspective view of the elastic member 71, FIG. 5B is a perspective view of the guide member 14, and FIG. 5C is a perspective view of the support member 13. 6A is a perspective view of the elastic member 71, FIG. 6B is a perspective view of the guide member 14, and FIG. 6C is a perspective view of the support member 13. FIG. 7 is a right side view of the support member 13, the guide member 14, and the elastic member 71 when the scanner housing 17 is in the first position. FIG. 7A shows the state where the guide member 14 is in the immersion position. (B) shows a state in which the guide member 14 is in the protruding position. FIG. 8 is a right side view of the support member 13, the guide member 14, and the elastic member 71 when the scanner housing 17 is in the second position.

  Hereinafter, embodiments of the present invention will be described. The embodiment described below is merely an example of the present invention, and it is needless to say that the embodiment of the present invention can be changed as appropriate without departing from the gist of the present invention. In the following description, the vertical direction 7 is defined based on the state in which the multifunction machine 10 is installed (the state shown in FIG. 1), and the side where the opening 15 is provided is the front side (front side). A direction 8 is defined, and a left-right direction 9 is defined when the multifunction machine 10 is viewed from the front side (front).

[Schematic configuration of MFP 10]
As shown in FIG. 1, a multifunction machine 10 (an example of an electronic apparatus of the present invention) is a multi-function device (MFD: Multi Function Device) that integrally includes a printer unit 11 and a scanner unit 12. Function, scan function, copy function, facsimile function. A scanner unit 12 is disposed on the upper side of the multifunction machine 10, and a printer unit 11 is disposed on the lower side. The scanner unit 12 has a scanner housing 17 (an example of the second housing of the present invention), and the printer unit 11 has a printer housing 18 (an example of the first housing of the present invention). Note that the electronic device of the present invention is a device other than the multi-function device 10 (the first housing of the present invention is a flatbed scanner) as long as one housing is rotatably arranged with respect to the other housing. Thus, the second housing of the present invention may be a scanner cover).

  The scanner unit 12 optically reads a document image or character and converts it into electronic data. Since the internal configuration of the scanner unit 12 is not directly related to the present invention, a detailed description thereof is omitted here. For example, a configuration such as a known flatbed scanner can be adopted.

  The printer unit 11 records an image or a document on a recording sheet or the like as a recording medium based on the image data read by the scanner unit 12 or externally input recording data.

  As shown in FIG. 3, a paper feed tray 20, a paper feed roller 19, a transport roller pair 63 and a discharge roller pair 66, a recording unit 24, and the like are disposed inside the printer housing 18. The paper feed tray 20 can be inserted and removed in the front-rear direction 8 through the opening 15 (see FIG. 1), and recording paper is accommodated therein. The paper feed roller 19 feeds the recording paper stored in the paper feed tray 20 to the transport path 23. The conveyance roller pair 63 and the discharge roller pair 66 convey the recording paper fed to the conveyance path 23 along the conveyance path 23. The recording unit 24 records an image on a recording sheet conveyed through the conveyance path 23 based on image data read from the original by the scanner unit 12.

  The recording paper on which the image is recorded is discharged to a paper discharge tray 25 provided above the paper feed tray 20 and placed on the paper discharge tray 25. Here, the paper discharge tray 25 is provided above the paper feed tray 20 so as to overlap the paper feed tray 20, and is inserted into and removed from the printer housing 18 through the opening 15 together with the paper feed tray 20. .

  In addition to the recording unit 24 and the like described above, the multifunction machine 10 includes a hinge unit (not shown), a support member 13, a guide member 14, and an elastic member 71 shown in FIGS. Yes.

[Conveyance path 23]
As shown in FIG. 3, the conveyance path 23 is a path that extends from the lower side to the upper side with the rear end portion of the paper feed tray 20 as a base point, and then extends forward to reach the paper discharge tray 25. . The conveyance path 23 is a space configured by an outer guide member 31 and an inner guide member 32 that face each other with a predetermined interval therebetween. The recording sheet is conveyed through the conveyance path 23 in the conveyance direction 16 which is the direction indicated by the broken-line arrow in FIG.

[Conveying roller pair 63 and discharging roller pair 66]
As shown in FIG. 3, a conveyance roller pair 63 including a conveyance roller 61 and a pinch roller 62 is provided upstream of the recording unit 24 in the conveyance path 23 in the conveyance direction 16. The pinch roller 62 is pressed against the roller surface of the transport roller 61 by an elastic member (not shown) such as a spring. A discharge roller pair 66 including a discharge roller 64 and a spur roller 65 is provided downstream of the recording unit 24 in the transport path 23 in the transport direction 16. The spur roller 65 is pressed against the roller surface of the discharge roller 64 by an elastic member (not shown) such as a spring.

  The transport roller 61 and the discharge roller 64 rotate when a driving force is transmitted from a transport motor (not shown). The conveyance roller 61 and the discharge roller 64 to which the driving force is transmitted conveys the recording paper between the pinch roller 62 and the spur roller 65 in the conveyance direction 16.

[Recording unit 24]
As shown in FIG. 3, the recording unit 24 is disposed above the conveyance path 23. The recording unit 24 includes a recording head 37 provided at a position facing the conveyance path 23 and a carriage 38 on which the recording head 37 is mounted. The recording head 37 is formed with a plurality of nozzles 36 for discharging ink supplied from an ink cartridge (not shown) toward the transport path 23. The carriage 38 is configured to reciprocate in the left-right direction 9. While the carriage 38 reciprocates in the left-right direction 9, ink droplets are ejected from the nozzles 36 toward the recording paper conveyed along the conveyance path 23. Thereby, an image is recorded on the recording paper.

  In the present embodiment, the method in which the recording unit 24 records an image on a recording sheet is an ink jet recording method, but is not limited to the ink jet recording method, and may be an electrophotographic method, for example.

[Rotation mechanism]
Hereinafter, the structure in which the scanner housing 17 rotates with respect to the printer housing 18 will be described in detail. As shown in FIG. 2, the scanner casing 17 is connected to the printer casing 18 via a hinge portion (not shown) on the rear side of the multifunction machine 10. A well-known structure is employ | adopted for a hinge part. By the hinge portion, the scanner housing 17 can be rotated with respect to the printer housing 18 in the directions indicated by arrows 109 and 110 in FIG.

  As shown in FIG. 1, the position where the scanner casing 17 covers the upper side of the printer casing 18 is referred to as the first position in the present invention. Further, as shown in FIG. 2, when the scanner housing 17 is rotated upward, the position where the tip of the scanner housing 17 is farther from the printer housing 18 than when the scanner housing 17 is in the first position is In the present invention, this is referred to as the second position. When the scanner housing 17 is in the second position, the upper side of the printer housing 18 is opened, and the conveyance path 23 formed inside the printer housing 18 is exposed.

  Note that the scanner housing 17 at the first position does not necessarily need to cover the upper side of the printer housing 18. Further, when the scanner housing 17 is in the second position, the upper side of the printer housing 18 is not necessarily opened and the conveyance path 23 is not necessarily exposed.

  As shown in FIG. 2, the support member 13 is provided between the printer casing 18 and the scanner casing 17. The support member 13 is a flat plate-like member having a length shorter than the length of the printer casing 18 in the front-rear direction 8. A first end 21 (see FIGS. 5C and 6C) of the support member 13 is rotatably connected to the printer housing 18. A second end 22 (see FIGS. 5C and 6C) of the support member 13 is a guide member 14 (FIGS. 4, 5B, and 6) provided in the scanner housing 17. B) see). The support member 13 supports the scanner housing 17 at the second position from below. The detailed configuration of the support member 13 will be described later.

  As shown in FIG. 2, the guide member 14 is accommodated in the vicinity of the left side surface on the bottom surface side of the scanner housing 17. The guide member 14 is assembled to the scanner housing 17 by being fitted into a recess 29 formed in a part of the bottom surface of the scanner housing 17. The longitudinal direction 111 of the guide member shown in FIGS. 4B and 4C corresponds to the depth direction of the scanner housing 17 (the front-rear direction 8 of the scanner housing 17 in FIG. 1).

[Guide member 14]
As shown in FIG. 4A, the guide member 14 is open on the bottom side in the cross section in the thickness direction of the scanner housing 17 (the vertical direction 7 of the scanner housing 17 in FIG. 1), which is the direction of the arrow 112. It is an inverted U-shaped member. The guide member 14 is mainly composed of a side wall 41 (an example of the first guide member of the present invention) and a side wall 42 (an example of the second guide member of the present invention) which are opposed to each other with a predetermined separation distance in the left-right direction 9. And is made of resin. In the present embodiment, the side wall 41 is on the right side and the side wall 42 is on the left side, but the side wall 41 may be on the left side and the side wall 42 may be on the right side.

  Since the guide member 14 has an inverted U shape, the side walls 41 and 42 are movable in the left-right direction 9 by applying a force from the outside. That is, the guide member 14 can be elastically deformed in the left-right direction 9 so that the separation distance between the side walls 41 and 42 varies.

  The guide member 14 is assembled to the scanner housing 17 so as to open on the bottom surface side of the scanner housing 17. That is, the guide member 14 is provided in the scanner housing 17. As shown in FIG. 4C, FIG. 5B, and FIG. 6B, an opening 40 is formed over almost the entire lower end of the side walls 41,. The opening 40 is continuous in the longitudinal direction 111 of the side walls 41 and 42. The support member 13 can be inserted between the side walls 41 and 42 through the opening 40.

  The side walls 41 and 42 are connected by connecting members 43 and 44 at one end and an upper end in the longitudinal direction 111. The connecting member 43 is provided at one end in the longitudinal direction 111, specifically, at an end corresponding to the front side of the scanner housing 17 in the guide member 14.

  An engaging protrusion 45 is formed on the connecting member 43. The engaging protrusion 45 protrudes along the longitudinal direction 111 from the approximate center in the direction of the arrow 112 of the connecting member 43. An engaging protrusion 46 is formed near the upper end of the side wall 41 and at the end opposite to the engaging protrusion 45 in the longitudinal direction 111. The engagement protrusion 46 protrudes outward in the longitudinal direction 111 by extending a part near the upper end of the side wall 41 along the longitudinal direction 111.

  Although not shown in each figure, the guide member 14 is fitted into a recess 29 formed in the scanner housing 17 by the engagement protrusions 45 and 46. Here, an elastic member 71 to be described later is disposed between most of the side walls 41 and 42 of the guide member 14 and the connecting member 43 and the recess 29. On the other hand, the elastic member 71 is not disposed between the both end portions in the longitudinal direction 111 of the guide member 14 and the concave portion 29.

  Engagement holes (not shown) corresponding to the engagement protrusions 45 and 46 are provided inside the recess 29 of the scanner housing 17. The engagement protrusion 46 is engaged with one of the engagement holes, whereby one end side of the guide member 14 in the longitudinal direction 111 is at a fixed position with respect to the depth direction of the recess 29 (arrow 112 in FIG. 4A). Fixed to. The engagement protrusion 45 is supported by the other of the engagement holes so that the other end side in the longitudinal direction 111 of the guide member 14 can move along the direction of the arrow 112 by being engaged with the other of the engagement holes. The In this way, the guide member 14 is assembled to the scanner housing 17. The guide member 14 assembled to the scanner housing 17 is movable along the arrow 112 on the side of the engagement protrusion 45 with the engagement protrusion 46 as an axis. In other words, the guide member 14 assembled to the scanner housing 17 is movable so that the front side protrudes from the bottom surface of the scanner housing 17 with the rear side as an axis. Thereby, the guide member 14 rotates to the immersion position (position shown by FIG. 7 (A)) and the protrusion position (position shown by FIG. 7 (B)).

  As shown in FIGS. 4B and 5B, a guide hole 47 (an example of the guide groove of the present invention) is formed in the side wall 41 of the guide member 14 substantially along the longitudinal direction 111. Yes. A protrusion 26 (see FIGS. 5C and 6C) provided at the second end 22 of the support member 13 is inserted into the guide hole 47. The width of the guide hole 47 is set slightly larger than the outer diameter of the protrusion 26 so that the protrusion 26 can move along the guide hole 47. The direction in which the protrusion 26 moves is generally the long direction 111. As described above, the guide hole 47 guides the protrusion 26.

  As shown in FIG. 4C and FIG. 6B, four bulging portions 53 (the pressing portions of the present invention) are formed on the inner surface 52 (the surface facing the side wall 41) of the side wall 42 of the guide member 14. An example) is provided. In the present embodiment, the number of the bulging portions 53 is four, but is not limited to four, and may be one, for example.

  The four bulging portions 53 are arranged at intervals along the longitudinal direction 111, that is, along the direction in which the protrusions 26 are guided. Each bulging portion 53 protrudes in a mountain shape toward the side wall 41. Thereby, the distance of the left-right direction 9 between the side walls 41 and 42 in the part in which the bulging part 53 is provided is larger than the distance in the left-right direction 9 between the side walls 41 and 42 in the part in which the bulging part 53 is not provided. Is also shortened.

  In the mountain-shaped slope formed by each bulging portion 53, the slope extending from the top toward the engagement protrusion 46 is steeper than the slope extending from the top toward the engagement protrusion 45.

  As the four bulging portions 53 are closer to the engagement protrusion 45, the four bulging portions 53 protrude more toward the side wall 41. That is, the bulging portion 53A protrudes the largest and the bulging portion 53D protrudes the smallest. In addition, the relationship of the protrusion length of each bulging part 53 is not restricted to the relationship mentioned above. For example, the protruding lengths of all the bulging portions 53 may be the same.

  As shown in FIG. 4C, the side walls 41 and 42 in the portion where the bulging portion 53 is not provided are separated by a distance L1 in the left-right direction 9. Further, the side walls 41 and 42 in the portion where the bulging portion 53D having the smallest projecting length is provided are separated by a distance L2 in the left-right direction 9. Further, the side walls 41 and 42 in the portion where the bulging portion 53A having the longest protrusion length is provided are separated by a distance L3 in the left-right direction 9. The relationship between the lengths of the three distances L1, L2, and L3 is L1> L2> L3.

[Supporting member 13]
The support member 13 shown in FIG. 6C is a long member whose longitudinal direction 111 is the front-rear direction 8 when the multifunction machine 10 is in the first position shown in FIG. A hole 27 is formed in the first end portion 21 of the support member 13 in the thickness direction. By inserting a projection (not shown) provided in the printer casing 18 into the hole 27, the first end 21 of the support member 13 is rotatably connected to the printer casing 18. As described above, the first end portion 21 is rotatably disposed on the printer housing 18.

  The second end 22 of the support member 13 is inserted into the opening 40 of the guide member 14 described above. The second end portion 22 is formed with a protrusion 26 that protrudes toward the side wall 41. The protrusion 26 is inserted into the guide hole 47 of the guide member 14 described above, and is movable along the guide hole 47.

  The second end portion 22 is formed with a convex portion 28 that protrudes toward the side wall 42. As shown in FIG. 6C, the length in the left-right direction 9 of the support member 13 in the portion where the convex portion 28 is not provided is the first width W1. Further, the length in the left-right direction 9 of the support member 13 at the portion where the convex portion 28 is provided is the second width W2. The first width W1 is smaller than any of the distances L1, L2, and L3 (see FIG. 4C). The second width W2 is smaller than the distance L1 and larger than the distances L2 and L3.

  Since the first width W1 is smaller than the distances L1, L2, and L3, the portion of the support member 13 where the convex portion 28 is not provided can easily pass between the side walls 41 and 42. Further, since the second width W2 is smaller than the distance L1, the portion of the support member 13 where the convex portion 28 is provided easily passes through the portion where the bulging portion 53 between the side walls 41 and 42 is not provided. Is possible.

  On the other hand, since the second width W2 is larger than the distances L2 and L3, the portion of the support member 13 where the convex portion 28 is provided passes through the bulging portion 53 between the side walls 41 and 42. It moves in the state of pressure contact. That is, the convex part 28 and the bulging part 53 press each other. That is, the bulging part 53 presses the convex part 28, thereby pressing the second end part 22 of the support member 13 provided with the convex part 28. Thereby, sliding friction is generated between the convex portion 28 and the bulging portion 53.

  Further, the larger the protruding portion 53 of the four protruding portions 53 </ b> A to 53 </ b> D, the larger the contact pressure between the protruding portion 28 and the larger the sliding friction generated between the protruding portion 28. Become. For example, since the protruding length of the bulging portion 53A is larger than the protruding length of the bulging portion 53D, the contact pressure between the convex portion 28 and the bulging portion 53A is larger than the contact pressure between the convex portion 28 and the bulging portion 53D. The sliding friction generated between the convex portion 28 and the bulging portion 53A becomes larger than the sliding friction generated between the convex portion 28 and the bulging portion 53D.

[Elastic member 71]
As shown in FIGS. 5A and 6A, the elastic member 71 is an inverted U-shaped leaf spring having an open bottom surface in the cross section indicated by the arrow 112. The elastic member 71 includes a pair of plate portions 72 facing each other with a predetermined separation distance in the left-right direction 9 and a connecting member 74 that connects the pair of plate portions 72 as main members. It is.

  Since the elastic member 71 has an inverted U shape, the pair of plate portions 72 can move in the left-right direction 9, which is the direction in which the separation distance between the side walls 41, 42 fluctuates, by applying a force from the outside. . That is, the elastic member 71 can be elastically deformed in the left-right direction 9 so that the separation distance between the pair of plate portions 72 varies.

  The elastic member 71 is assembled to the scanner housing 17 so as to open on the bottom surface side of the scanner housing 17. That is, the elastic member 71 is provided in the scanner housing 17. An opening 73 is formed over substantially the entire lower end of the pair of plate portions 72. The opening 73 is continuous in the longitudinal direction 111 of the elastic member 71.

  The length of the elastic member 71 in the left-right direction 9 is shorter than the length of the concave portion 29 formed in the scanner housing 17 in the left-right direction 9. The elastic member 71 is fixed to the scanner housing 17 in a state where the elastic member 71 is fitted in the recess 29. For example, the protrusion 75 protruding in the longitudinal direction 111 from one end of the connecting member 74 is engaged with an engagement hole (not shown) provided in the concave portion 29 of the scanner housing 17, and the connecting member 74 is fixed. This is realized by engaging a hole 76 provided in the other end of the projection with an engaging projection (not shown) provided in the recess 29 of the scanner housing 17.

  The distance between the pair of plate portions 72 is longer than the length of the guide member 14 in the left-right direction 9. As shown in FIG. 7A, a part of the guide member 14 (the side walls 41 and 42 of the guide member 14 and most of the connecting member 43) is fitted between the pair of plate portions 72. In other words, the elastic member 71 is provided on the outside of the side walls 41, 42 in the left-right direction 9 (an example of the facing direction of the present invention) where the side walls 41, 42 face each other, that is, at a position sandwiching the side walls 41, 42. As described above, a part of the guide member 14 is fitted in the recess 29 via the elastic member 71.

  Further, other portions of the guide member 14 (both ends in the longitudinal direction 111 of the guide member 14) are fitted in the recess 29 without the elastic member 71 interposed therebetween.

  In the present embodiment, in a state where the elastic member 71 is fitted in the recess 29, the pair of plate portions 72 and the side surfaces constituting the recess 29 are in contact, but may not be in contact. Further, in the present embodiment, in a state where the guide member 14 is fitted between the pair of plate portions 72, the side walls 41 and 42 and the pair of plate portions 72 are in contact, but may not be in contact. . However, the gap between the side walls 41 and 42 and the pair of plate portions 72 is a length that allows the pair of plate portions 72 to contact the side walls 41 and 42 by elastic deformation of the guide member 14.

  Since the pair of plate portions 72 are made of metal, they are less likely to bend than the side walls 41 and 42 of the guide member 14 made of resin. Therefore, when the side walls 41 and 42 that move toward the pair of plate portions 72 abut on the pair of plate portions 72, the movement of the side walls 41 and 42 is restricted by the pair of plate portions 72.

[Rotating motion]
Hereinafter, operations of the support member 13 and the guide member 14 accompanying the rotation of the scanner housing 17 will be described.

  When the scanner housing 17 is in the first position shown in FIG. 1, as shown in FIG. 7A, the support member 13 is inserted into the guide member 14, and the guide member 14 is composed of the elastic member 71 and the scanner housing. It is inserted into the recess 29 of the body 17. Further, the protrusion 26 provided at the second end portion 22 of the support member 13 is positioned at the front end portion (the end portion on the engagement protrusion 45 side) of the guide hole 47 of the guide member 14. The support member 13 and the guide member 14 have a substantially horizontal direction (the left-right direction in FIG. 7A) as the long direction 111.

  When the scanner housing 17 rotates in the direction of the arrow 109 (see FIG. 2) with respect to the printer housing 18, the guide member 14 lifts the protrusion 26 of the support member 13 engaged with the guide hole 47. As a result, the support member 13 rotates about the hole 27 of the first end 21 as a rotation axis so that the second end 22 moves upward, that is, in the direction of the arrow 108 (see FIG. 2). Further, along with the rotation, the protrusion 26 moves from the front end portion toward the rear end portion (end portion on the engagement protrusion 46 side) along the guide hole 47 of the guide member 14. That is, the guide hole 47 guides the protrusion 26 so as to rotate the support member 13 relative to the printer casing 18 in conjunction with the rotation of the scanner casing 17.

  Here, as described above, the guide member 14 moves in the engagement protrusion 45 side with the engagement protrusion 46 as an axis, so that the immersion position (position shown in FIG. 7A) and the protrusion position (FIG. And the position shown in B). When the guide member 14 is in the immersive position, almost all of the moving side walls 41 and 42 abut against the pair of plate portions 72 of the elastic member 71 so that the movement is restricted. On the other hand, when the guide member 14 is in the protruding position, only a part of the moving side walls 41 and 42 abuts against the pair of plate portions 72 of the elastic member 71. Is reduced.

  As described above, when the guide member 14 lifts the protrusion 26 engaged with the guide hole 47, a downward load is generated on the guide member 14 as a reaction force. Due to this load, the guide member 14 descends so that the engaging projection 45 side protrudes from the bottom surface of the scanner housing 17. That is, the guide member 14 rotates from the immersion position to the protruding position.

  When the support member 13 rotates in the direction of the arrow 108 and the protrusion 26 moves from the front end portion toward the rear end portion along the guide hole 47, the convex portion 28 of the support member 13 protrudes from the bulging portion of the guide member 14. Abuts 53A. Thereby, the convex part 28 is pressed by the bulging part 53A. As a result, the protrusion 26 moves in a direction to enter the guide hole 47.

  On the other hand, a reaction force that presses the convex portion 28 acts on the bulging portion 53A. As a result, the side wall 42 moves in a direction away from the side wall 41. Note that the side wall 41 moves in a direction away from the side wall 42 by being pushed by the surface of the support member 13 opposite to the convex portion 28. At this time, since the guide member 14 is in the protruding position, the restriction of the movement of the side walls 41 and 42 by the elastic member 71 is reduced as compared with the case where the guide member 14 is in the immersion position. As a result, the sliding friction between the convex portion 28 and the bulging portion 53A is reduced, so that the convex portion 28 can smoothly slide through the guide hole 47 while abutting against the bulging portion 53A.

  When the protrusion 26 further moves toward the rear end portion along the guide hole 47, the convex portion 28 comes into contact with the bulging portions 53B, 53C, and 53D in this order. Also at this time, since the guide member 14 is in the protruding position, the convex portion 28 can smoothly slide through the guide hole 47 while contacting the bulging portion 53.

  From the above, the load when rotating the scanner housing 17 from the first position to the second position is kept small. That is, when the scanner housing 17 is rotated from the first position to the second position, it is possible to make a state in which almost no braking action is exerted.

  When the convex portion 28 passes through the bulging portion 53D and reaches the rear end portion of the guide hole 47, the support member 13 is in an upright state shown in FIG. At this time, the scanner housing 17 is in the second position shown in FIG. The standing support member 13 supports the scanner housing 17 in the second position, as shown in FIG.

  When the scanner housing 17 is in the second position shown in FIG. 2, as shown in FIG. 8, only the second end 22 of the support member 13 is inserted into the guide member. Further, the protrusion 26 provided at the second end portion 22 of the support member 13 is located at the rear end portion (the end portion on the engagement protrusion 46 side) of the guide hole 47 of the guide member 14.

  When the scanner housing 17 rotates with respect to the printer housing 18 in the direction of the arrow 110 (see FIG. 2), the guide member 14 pushes down the protrusion 26 of the support member 13 engaged with the guide hole 47. As a result, the support member 13 rotates about the hole 27 of the first end 21 as a rotation axis so that the second end 22 moves downward, that is, in the direction of the arrow 107 (see FIG. 2). Further, along with the rotation, the protrusion 26 moves from the rear end portion toward the front end portion along the guide hole 47 of the guide member 14.

  As described above, when the guide member 14 pushes down the protrusion 26 engaged with the guide hole 47, an upward load is generated on the guide member 14 as a reaction force. Due to this load, the engagement protrusion 45 side of the guide member 14 rises so as to be immersed in the bottom surface of the scanner housing 17. That is, the guide member 14 rotates from the protruding position to the immersive position.

  When the support member 13 rotates in the direction of the arrow 107 and the protrusion 26 moves from the rear end portion toward the front end portion along the guide hole 47, the convex portion 28 of the support member 13 becomes the bulging portion of the guide member 14. Abuts with 53D. Thereby, the convex part 28 is pressed by the bulging part 53D. As a result, the protrusion 26 moves in a direction to enter the guide hole 47.

  On the other hand, a reaction force that presses the convex portion 28 acts on the bulging portion 53D. As a result, the side wall 42 moves in a direction away from the side wall 41. Note that the side wall 41 moves in a direction away from the side wall 42 by being pushed by the surface of the support member 13 opposite to the convex portion 28. At this time, since the guide member 14 is in the immersion position, the movement of the side walls 41 and 42 by the elastic member 71 is more restricted than when the guide member 14 is in the protruding position. As a result, a larger sliding friction is generated between the convex portion 28 and the bulging portion 53D than when the guide member 14 is in the protruding position. Thereby, the load when the scanner housing 17 is rotated in the direction of the arrow 110 is larger than the load when the scanner housing 17 is rotated in the direction of the arrow 109.

  When the protrusion 26 further moves toward the front end along the guide hole 47, the convex portion 28 comes into contact with the bulging portions 53C, 53B, and 53A in this order. At this time, the sliding friction generated between the convex portion 28 and the bulging portion 53 is the sliding friction generated between the convex portion 28 and the bulging portion 53A, and between the convex portion 28 and the bulging portion 53B. The sliding friction that occurs, the sliding friction that occurs between the convex portion 28 and the bulging portion 53C, and the sliding friction that occurs between the convex portion 28 and the bulging portion 53D are larger in this order. As described above, the load when the scanner housing 17 is rotated from the second position to the first position increases stepwise as the scanner housing 17 approaches the first position.

  When the convex portion 28 passes through the bulging portion 53A and reaches the front end portion of the guide hole 47, the support member 13 is in the horizontal state shown in FIG. At this time, the scanner housing 17 is in the first position shown in FIG.

[Effect of the embodiment]
According to the present embodiment, the bulging portion 53 presses the second end portion 22 of the support member 13, so that a braking action against the rotation of the scanner housing 17 can be exhibited. Here, the bulging portion 53 protrudes from the side wall 42 toward the side wall 41. As a result, the second end portion 22 of the support member 13 pushed by the bulging portion 53 moves toward the side wall 41. That is, the protrusion 26 provided at the second end 22 of the support member 13 moves in the direction of entering the guide hole 47. As a result, it is possible to reduce the possibility that the protrusion 26 is detached from the guide hole 47. As described above, the connection of the support member 13 to the scanner casing 17 can be maintained even in a state where the braking action against the rotation of the scanner casing 17 is exerted.

  When the bulging portion 53 presses the second end portion 22 of the support member 13, the distance between the side wall 41 and the side wall 42 is widened by the reaction force from the support member 13. When such a widening of the interval is allowed without limitation, even if the bulging portion 53 presses the second end portion 22 of the support member 13, the braking action against the rotation of the scanner housing 17 can be sufficiently exerted. Can not be. Therefore, according to the present embodiment, the multifunction machine 10 includes the elastic member 71. Thereby, at least one of the side wall 41 or the side wall 42 moved by being pushed by the bulging portion 53 comes into contact with the elastic member 71. As a result, the spread of the interval between the side wall 41 or the side wall 42 is restricted. That is, the elastic member 71 functions as a reinforcing material that restricts the movement of the side wall 41 or the side wall 42. Thereby, it is possible to maintain a braking action against the rotation of the scanner housing 17 that occurs when the bulging portion 53 presses the second end portion 22 of the support member 13.

  Further, according to the present embodiment, since the elastic member 71 has the pair of plate portions 72, the movement of both the side wall 41 and the side wall 42 is restricted by the pair of plate portions 72. Therefore, the rotation of the scanner housing 17 that occurs when the bulging portion 53 presses the second end portion 22 of the support member 13 rather than the configuration in which the movement of one of the side wall 41 and the side wall 42 is restricted by the elastic member 71. It is possible to sufficiently exert a braking action on the.

  Further, according to the present embodiment, the braking action against the rotation of the scanner housing 17 can be exhibited only when the bulging portion 53 presses the convex portion 28. Thereby, the user can easily recognize the timing at which the braking action is exhibited when the scanner housing 17 is rotated.

  Further, according to the present embodiment, since a plurality of the bulging portions 53 are provided, the braking action against the rotation of the scanner housing 17 can be exhibited stepwise. As a result, the user can be alerted that the braking action against the rotation of the scanner housing 17 is exerted.

  Further, according to the present embodiment, among the plurality of bulging portions 53, the bulging portion 53A closest to the tip of the scanner housing 17 protrudes most toward the side wall 41. Therefore, immediately before the scanner housing 17 is positioned at the first position, the braking action against the rotation of the scanner housing 17 is most strongly exerted, so that the user's hand or the like is placed between the scanner housing 17 and the printer housing 18. The possibility of getting injured between them can be reduced.

  Further, according to the present embodiment, when a recording sheet is jammed in the conveyance path 23, the recording sheet can be taken out by rotating the scanner housing 17 to the second position.

[Modification]
In the above-described embodiment, the guide member 14 has an inverted U shape, but is not limited to such a shape. For example, the side walls 41 and 42 are not connected by the connecting members 43 and 44 but may be independent separate members.

  Moreover, in the above-mentioned embodiment, although the elastic member 71 was reverse U-shaped, it is not restricted to such a shape. For example, the elastic member 71 may be a bent member constituted by one plate portion 72 and a connecting member 74. Further, the elastic member 71 may be two plate portions 72 individually arranged outside the side walls 41, 42, or one plate portion 72 arranged outside one of the side walls 41, 42. It may be.

  Moreover, in the above-mentioned embodiment, although the elastic member 71 was a leaf | plate spring, things other than a leaf | plate spring may be sufficient. For example, the elastic member 71 may be a coil spring disposed between the side walls 41 and 42 and the side surface of the recess 29 formed on the bottom surface of the scanner housing 17.

  In the above-described embodiment, the convex portion 28 is formed on the second end portion 22 of the support member 13, but the convex portion 28 may not be formed on the support member 13. In this case, the surface of the support member 13 opposite to the surface on which the protrusions 26 are formed is formed on the length of the support member 13 in the left-right direction 9 or the bottom surface of the scanner housing 17 so as to contact the bulging portion 53. The length in the left-right direction 9 of the recessed portion 29 is set. Then, when the opposite surface comes into contact with the bulging portion 53, sliding friction is generated between the support member 13 and the bulging portion 53.

  In the above-described embodiment, the guide hole 47 is an opening through which the protrusion 26 can penetrate. However, the guide hole 47 may be a recess having a bottom surface instead of the opening.

  In the above-described embodiment, the multifunction machine 10 includes the elastic member 71, but may not include the elastic member 71. In this case, the recess 29 formed on the bottom surface of the scanner housing 17 instead of the elastic member 71 restricts the movement of the side walls 41 and 42 of the guide member 14.

DESCRIPTION OF SYMBOLS 10 ... MFP 13 ... Support member 14 ... Guide member 17 ... Scanner housing 18 ... Printer housing 21 ... First end 22 ... Second end 26- ..Projection 41 ... Side wall 42 ... Side wall 47 ... Guide hole 53 ... Swelling portion 71 ... Elastic member

Claims (5)

A first housing;
A second housing that is arranged to be rotatable with respect to the first housing, and wherein the first position and the tip thereof are rotatable to a second position farther from the first housing than the first position; ,
A first end portion rotatably disposed on the first housing, a protrusion provided on the second end portion, and a support member that supports the second housing at the second position;
A guide groove is formed in the second housing and guides the protrusion so as to rotate the support member relative to the first housing in conjunction with the rotation of the second housing. A first guide member;
A second guide member provided on the second housing so as to face the first guide member;
A pressing portion that is provided on the second guide member, protrudes toward the first guide member, and presses the second end of the support member ;
A plurality of the pressing portions are provided at intervals along the guide direction of the protrusions in the guide groove,
Among the plurality of pressing portions, the electronic device closest to the tip of the second housing protrudes most toward the first guide member side .   The first guide member and the second guide member are in contact with the first guide member or the second guide member outside the at least one of the first guide member or the second guide member in a facing direction in which the first guide member and the second guide member face each other. The electronic apparatus according to claim 1, further comprising an elastic member that is provided at a possible position and elastically deforms in a direction in which a separation distance between the first guide member and the second guide member varies.   The electronic apparatus according to claim 2, wherein the elastic member is a leaf spring having a pair of plate portions provided at a position sandwiching the first guide member and the second guide member in the facing direction. The support member includes a convex portion protruding from the second end portion toward the second guide member,
The electronic device according to claim 1, wherein the pressing portion presses the convex portion. A recording unit that is provided in the first casing, and that records an image on a recording medium transported along a transport path;
The second casing covers the upper side of the first casing at the first position, and opens the upper side of the first casing at the second position to expose the transport path. 5. The electronic device according to any one of 4 .

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