JP2017009092A - Bolt holding member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bolt holding member which achieves downsizing while holding a bolt at an object etc. to prevent falling.SOLUTION: A sheet-like bolt holding member 70 has flexibility and includes: a bonded part 71 which may be bonded to a thin plate member 11; a holding part 72 having a holding hole which fits with one part of a bolt 80 to hold the bolt 80; and a bent part 73 which is provided between the bonded part 71 and the holding part 72, has rigidity lower than that of at least the holding part 71, and may be bent.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a bolt holding member that can hold a bolt against a fastening object or the like.

  2. Description of the Related Art Conventionally, for example, an electrophotographic image forming apparatus has been widely applied as a copying machine, a printer, a facsimile machine, and a multifunction machine having a plurality of these functions. In these image forming apparatuses, bolts are frequently used to fasten objects such as the apparatus main body and various parts. However, for example, when a bolt is removed from an object during maintenance or repair, the work becomes complicated because the bolt is a fine part. In particular, the bolt used inside the apparatus main body may be dropped immediately after the bolt is removed, and the bolt may be lost inside the apparatus main body. From these things, improvement of workability | operativity at the time of handling the volt | bolt after removing has been desired.

  In view of this, a bolt fall prevention structure has been developed in which a small diameter portion between a screw head and a screw portion of a bolt is sandwiched between loop-shaped wires and the bolt is rotatably supported (see Patent Document 1). In this bolt fall prevention structure, the bolt is supported using the elasticity of the wire, and the other end of the wire is fixed to the object or the like. Therefore, even if the bolt is removed from the object, the bolt does not fall.

  Also, a bolt holding comprising a belt-shaped sheet-like main body, an adhesive portion provided at one end of the main body, and a holding portion provided at the other end of the main body and having a through hole into which a bolt is fitted. Members have been developed (see Patent Document 2). In this bolt holding member, since the bolt is held by the holding portion and the adhesive portion is fixed to the object or the like, the bolt does not fall even if the bolt is removed from the object.

Patent No. 5429259 JP 2005-240857 A

  However, in the bolt fall prevention structure of Patent Document 1 described above, since the bolt is supported using the elasticity of the wire, it is required to lengthen the wire in order to obtain sufficient elasticity. It is necessary to secure a large space. Moreover, when fixing a wire with another bolt with respect to a target object, the bolt for fixing will be needed. Or when hooking and fixing a wire with respect to a target object, it is necessary to provide the structure for hooking on a target object. From these things, the subject that the enlargement of a bolt dropping structure was caused occurred.

  Further, in the bolt holding member disclosed in Patent Document 2, the main body portion is formed of a uniform simple belt-shaped sheet. For this reason, when the rigidity of the main body is high, when the distance from the adhesive part to the bolt is short, or when the bolt is long, the adhesive part is peeled off from the object when the bolt is loosened, and the bolt is retained. There is a possibility that it cannot be done. In these cases, it is possible to reduce the peeling of the adhesive part from the object by increasing the adhesive part or by increasing the distance between the adhesive part and the holding part, but the bolt holding member is enlarged. There was a problem of ending up.

  An object of this invention is to provide the volt | bolt holding member which can aim at size reduction, preventing falling by hold | maintaining a volt | bolt with respect to a target object etc.

  The bolt holding member according to the present invention is a flexible sheet-like bolt holding member, a sticking portion that can be attached to an object, and a holding hole that can be fitted to a part of the bolt to hold the bolt. And a bending portion that is provided between the sticking portion and the holding portion and that can be bent at least with lower rigidity than the holding portion.

  According to the present invention, since the low-rigidity bent portion is provided between the attaching portion and the holding portion, the bent portion is bent when the bolt held by the holding portion is removed from the object. Thereby, even when the rigidity of the holding part is high, the force to peel off the sticking part when the bolt is removed from the object is reduced, so that the sticking part is hardly peeled off. For this reason, it is difficult to peel off the affixing part without securing a large gap between the holding hole and the affixing part, so the distance between the holding hole and the affixing part can be reduced, and the bolt is held against the object etc. Thus, the bolt holding member can be reduced in size while preventing falling.

1 is a front view illustrating a schematic configuration of an image forming apparatus according to a first embodiment. BRIEF DESCRIPTION OF THE DRAWINGS (a) which shows schematic structure of the bolt holding member which concerns on 1st Embodiment is a top view, (b) is a side view. (A) which shows the state holding the volt | bolt of the volt | bolt holding member which concerns on 1st Embodiment is a top view, (b) is a side view. It is a side view which shows the bolt holding member which concerns on 1st Embodiment, a volt | bolt, and a target object, (a) is the state in which the volt | bolt was attached to the target object, (b) is the state in which the volt | bolt was removed from the target object. It is. (A) is a top view which shows the bolt holding member which concerns on 2nd Embodiment, (b) is a top view which shows the bolt holding member which concerns on 3rd Embodiment. (A) is a top view which shows the bolt holding member which concerns on 4th Embodiment, (b) is a top view which shows the bolt holding member which concerns on 5th Embodiment.

<First Embodiment>
Hereinafter, a first embodiment of the present invention will be described in detail with reference to FIGS. In the present embodiment, a case where the bolt holding member 70 is applied to hold a bolt 80 used in a tandem type full color printer as an example of the image forming apparatus 1 is described. However, the bolt holding member of the present invention is not limited to being applied to the image forming apparatus 1, and can be widely applied to products including objects that can be fastened by bolts.

  First, the configuration of the image forming apparatus 1 shown in FIG. 1 will be described. The image forming apparatus 1 includes an image forming apparatus main body (hereinafter referred to as an apparatus main body) 10. The apparatus body 10 includes an image reading unit 20, a sheet feeding unit 30, an image forming unit 40, a sheet conveying unit 50, a sheet discharging unit 60, and a control unit (not shown). Note that the sheet S as a recording material is formed with a toner image. Specific examples thereof include plain paper, resin sheets that are substitutes for plain paper, cardboard, and overhead projector sheets.

  The image reading unit 20 is provided on the upper part of the apparatus main body 10. The image reading unit 20 includes a platen glass (not shown) as a document placement table, a light source (not shown) that irradiates light on a document placed on the platen glass, and an image sensor (not shown) that converts reflected light into a digital signal. Etc.

  The sheet feeding unit 30 includes sheet cassettes 31 a and 31 b that stack and store sheets S such as recording paper and feeding rollers 32 a and 32 b, and feeds the sheet S to the image forming unit 40.

  The image forming unit 40 includes an image forming unit 41, a toner bottle 42, a laser scanner 43, an intermediate transfer unit 44, a secondary transfer unit 45, and a fixing device 46, and performs image formation.

  The image forming unit 41 includes four image forming units 41y, 41m, 41c, and 41k for forming toner images of four colors of yellow (y), magenta (m), cyan (c), and black (k). I have. These are each detachable from the apparatus main body 10 by the user. For example, the image forming unit 41y includes a photosensitive drum 47y that is an image carrier that forms a toner image, a charging roller (not shown), a developing roller, a drum cleaning blade, and toner. The image forming unit 41y is supplied with toner from a toner bottle 42y filled with toner. Since the other image forming units 41m, 41c, and 41k have the same structure, detailed description thereof is omitted.

  The laser scanner 43 exposes the surfaces of the photosensitive drums 47y, 47m, 47c, and 47k to form electrostatic latent images on the surfaces of the photosensitive drums 47y, 47m, 47c, and 47k.

  The intermediate transfer unit 44 is disposed above the image forming units 41y, 41m, 41c, and 41k. The intermediate transfer unit 44 includes a plurality of rollers such as a driving roller 44a and primary transfer rollers 44y, 44m, 44c, and 44k, and an intermediate transfer belt 44b wound around these rollers. The primary transfer rollers 44y, 44m, 44c, and 44k are disposed to face the photosensitive drums 47y, 47m, 47c, and 47k, respectively, and contact the intermediate transfer belt 44b. By applying a positive transfer bias to the intermediate transfer belt 44b by the primary transfer rollers 44y, 44m, 44c, and 44k, the toner images having the respective negative polarities on the photosensitive drums 47y, 47m, 47c, and 47k are sequentially intermediated. Multiple transfer is performed on the transfer belt 44b. As a result, a full-color image is formed on the intermediate transfer belt 44b.

  The secondary transfer unit 45 includes a secondary transfer inner roller 45a and a secondary transfer outer roller 45b. A full-color image formed on the intermediate transfer belt 44b is transferred to the sheet S by applying a positive secondary transfer bias to the secondary transfer outer roller 45b. The secondary transfer inner roller 45a stretches the intermediate transfer belt 44b inside the intermediate transfer belt 44b, and the secondary transfer outer roller 45b faces the secondary transfer inner roller 45a across the intermediate transfer belt 44b. It is provided in the position to do.

  The fixing device 46 includes a fixing roller 46a and a pressure roller 46b. When the sheet S is nipped and conveyed between the fixing roller 46a and the pressure roller 46b, the toner image transferred to the sheet S is pressurized and heated and fixed to the sheet S.

  The sheet conveying unit 50 is configured to convey the sheet S fed from the sheet feeding unit 30 from the image forming unit 40 to the sheet discharging unit 60, and includes a pre-secondary transfer conveyance path 51 and a pre-fixing conveyance path. 52, a discharge path 53, and a re-transport path 54.

  The sheet discharge unit 60 includes a discharge roller pair 61 disposed on the downstream side of the discharge path 53 and a discharge tray 62 disposed on the downstream side of the discharge roller pair 61. The discharge roller pair 61 feeds the sheet S conveyed from the discharge path 53 from the nip portion and discharges the sheet S to the discharge tray 62 through the discharge port 10 a formed in the apparatus main body 10.

  In the image forming apparatus 1 configured as described above, when the image forming operation is started, first, the photosensitive drums 47y, 47m, 47c, and 47k are rotated and the surface is charged by the charging roller. Laser light is emitted from the laser scanner 43 to the photosensitive drums 47y, 47m, 47c, 47k based on the image information, and electrostatic latent images are formed on the surfaces of the photosensitive drums 47y, 47m, 47c, 47k. . When toner adheres to the electrostatic latent image, it is developed and visualized as a toner image, and transferred to the intermediate transfer belt 44b.

  On the other hand, the feeding rollers 32a and 32b are rotated in parallel with the toner image forming operation, and the uppermost sheet S of the sheet cassettes 31a and 31b is fed while being separated. Then, the sheet S is conveyed to the secondary transfer unit 45 via the pre-secondary transfer conveyance path 51 in synchronization with the toner image on the intermediate transfer belt 44b. Further, the image is transferred from the intermediate transfer belt 44 b to the sheet S, and the sheet S is conveyed to the fixing device 46, where the unfixed toner image is heated and pressed and fixed on the surface of the sheet S, and the discharge roller pair 61. Is discharged from the discharge port 10a and stacked on the discharge tray 62.

  Next, the bolt holding member 70 will be described in detail with reference to FIGS. In the present embodiment, as shown in FIGS. 1 and 4, the bolt holding member 70 screws the thin plate member (object) 11 in a thin plate shape with respect to the frame 10 b of the apparatus main body 10 inside the apparatus main body 10. The bolt 80 to be held is held.

  In this embodiment, as shown in FIG. 3, the bolt 80 is a washer built-in screw (sems bolt) having a flat washer 84 that can move in a clearance groove 83 between the screw head 81 and the screw portion 82. The inner diameter of the flat washer 84 is set to be larger than the outer diameter of the escape groove 83 and smaller than the outer diameter of the screw portion 82. For this reason, the flat washer 84 is supported in the escape groove 83 between the screw head 81 and the screw portion 82 without falling off.

  As shown in FIG. 2, the bolt holding member 70 is a flexible sheet and is formed in a substantially rectangular shape. In this embodiment, the bolt holding member 70 is, for example, a colorless and transparent sheet material made of polyethylene terephthalate (PET) having a thickness of 0.2 mm and low stretchability. The bolt holding member 70 preferably has transparency or translucency, but may not have transparency.

  The bolt holding member 70 includes an attaching portion 71 that can be attached to the thin plate member 11, a holding portion 72 that holds the bolt 80, and a bent portion 73 provided between the attaching portion 71 and the holding portion 72. The affixing part 71, the bent part 73, and the holding part 72 are sequentially arranged along the longitudinal direction L of the bolt holding member 70. In the present embodiment, the direction perpendicular to the longitudinal direction L in the bolt holding member 70 is the width direction W.

  The affixing part 71 is affixed to the thin plate member 11 with, for example, a double-sided tape 71a (see FIG. 4). The area of the sticking part 71 can be appropriately set according to the required sticking force. In the present embodiment, the object to which the sticking part 71 is stuck and the object to which the bolt 80 is screwed are the same thin plate member 11, but the present invention is not limited thereto, and the sticking part 71 is stuck. The target object and the target object to which the bolt 80 is screwed may be separate objects.

  The holding part 72 has a holding hole 72 a that is fitted to a part of the bolt 80 and penetrates the bolt 80 so as to hold the bolt 80. In the present embodiment, the holding hole 72a is fitted into a clearance groove 83 between the screw head 81 of the bolt 80 and the washer 84 (see FIG. 3B). The inner diameter of the holding hole 72 a is set to be larger than the outer diameter of the escape groove 83 and smaller than the outer diameters of the screw head 81 and the washer 84. For this reason, the bolt 80 held by the holding portion 72 does not fall from the holding portion 72 by its own weight.

  Of the holding part 72, the pasting part 71, and the bent part 73, at least the holding part 72 has transparency. Thereby, the user can see through-hole 11a which permeate | transmits holding | maintenance part 72 and fastens bolt 80, and can improve workability | operativity compared with the case where holding | maintenance part 72 is opaque.

  A cut portion 72b is provided in communication with the holding hole 72a. That is, the bolt holding member 70 includes a notch 72b that allows the holding hole 72a to communicate with one through hole 73a described later. The notch 72b is formed continuously with the holding hole 72a, and is formed in a slit shape that can deform the holding hole 72a in order to fit the bolt 80. Here, the notch part 72b only communicates the holding hole 72a and the through hole 73a, and does not communicate with the outer edges 74, 75, and 76 of the holding part 72. For this reason, the notch part 72b connected to the outer edges 74, 75, 76 of the holding part 72 does not open when the bolt 80 rotates, and the notch part 72b opens into the holding hole 72a when the notch part 72b opens excessively. It is possible to prevent the overload from being easily damaged.

  The bent portion 73 is provided between the attaching portion 71 and the holding portion 72 in the longitudinal direction L, and can be bent with at least a lower rigidity than the holding portion 72. The bent portion 73 has, for example, two through holes 73a and 73b arranged in the width direction W.

  Here, a configuration for the bent portion 73 to be at least less rigid than the holding portion 72 will be described. In the present embodiment, the low rigidity of the bent portion 73 is reduced by setting the cross-sectional area in the width direction W of the bent portion 73 smaller than the cross-sectional area in the width direction W of the holding portion 72 other than the portion where the holding hole 72a is formed. Have achieved. Specifically, the bent portion 73 has through holes 73a and 73b, thereby reducing the cross-sectional area of the bent portion 73 in the width direction W.

  Further, the through holes 73 a and 73 b are arranged in the inner part away from the outer edge of the bolt holding member 70. For this reason, since the outer edge of the bolt holding member 70 is linear, the notch portion is rotated when the bolt 80 is rotated as in the case where a notch is provided from the outer edge of the bolt holding member 70 in order to reduce the cross-sectional area of the bent portion 73. It is possible to prevent stress from concentrating on. Thereby, compared with the case where a notch is provided from the outer edge of the bolt holding member 70, it is possible to prevent damage due to stress concentration.

  Next, the operation of the above-described bolt holding member 70 will be described in detail with reference to FIGS.

  When the bolt 80 is attached to the bolt holding member 70 to which the bolt 80 is not attached (see an imaginary line in FIG. 3B), the screw head 81 or the washer 84 of the bolt 80 is pushed into the holding hole 72a. When the screw head 81 or the washer 84 presses the peripheral edge of the holding hole 72a, the notch 72b opens to deform the holding hole 72a, and the screw head 81 or the washer 84 passes through the holding hole 72a and the notch 72b. Then, the escape groove 83 enters the holding hole 72a. And the notch part 72b closes and the holding | maintenance part 72 penetrates between the screw head 81 and the washer 84 of the volt | bolt 80 (refer FIG.3 (b) solid line).

  Furthermore, as shown to Fig.4 (a), the volt | bolt 80 is passed through the through-hole 11a of the thin plate member 11, and is screwed in the screw hole 10c of the flame | frame 10b. Before the bolt 80 is tightened, the affixing portion 71 of the bolt holding member 70 is affixed to the thin plate member 11 by using the double-sided tape 71a. After the affixing portion 71 is affixed to the thin plate member 11, the bolt 80 is fastened to the frame 10b and screwed. Thereby, the thin plate member 11 is fixed to the frame 10b with screws.

  On the other hand, when removing the thin plate member 11 from the frame 10b, the bolt 80 is loosened. As shown in FIG. 4B, when the screw portion 82 of the bolt 80 is removed from the screw hole 10c of the frame 10b, the bent portion 73 of the bolt holding member 70 is bent. At this time, since the rigidity (bending rigidity) of the bent portion 73 is set lower than the rigidity of the holding portion 72, the holding portion 72 is hardly deformed and only the bent portion 73 is bent. Since the low-rigidity bent portion 73 is bent in this way, almost no force is applied to the attaching portion 71 so as to peel off the attaching portion 71, and the bolt 80 is held in the vicinity of the screw hole 10c without dropping. Is done.

  As described above, according to the bolt holding member 70 of the present embodiment, since the low-rigidity bent portion 73 is provided between the sticking portion 71 and the holding portion 72, the bolt 80 held by the holding portion 72 is attached to the bolt 80. When removed from the thin plate member 11, the bent portion 73 bends. Thereby, even when the rigidity of the holding part 72 is high, the force to peel off the sticking part 71 when the bolt 80 is removed from the thin plate member 11 is reduced, so that the sticking part 71 is difficult to peel off. For this reason, since it becomes difficult to peel off the sticking part 71, without ensuring the space | interval of the holding hole 72a and the sticking part 71, the space | interval of the holding hole 72a and the sticking part 71 can be made small. Therefore, while holding the bolt 80 against the thin plate member 11 or the like, the bolt holding member 70 can be reduced in size as compared with the case where the bent portion 73 is not provided while preventing the fall.

  In addition, according to the bolt holding member 70 of the present embodiment, the through holes 73 a and 73 b of the bent portion 73 are arranged in the inner part away from the outer edge of the bolt holding member 70. For this reason, since the outer edge of the bolt holding member 70 is linear, the notch portion is rotated when the bolt 80 is rotated as in the case where a notch is provided from the outer edge of the bolt holding member 70 in order to reduce the cross-sectional area of the bent portion 73. It is possible to prevent stress from concentrating on. Thereby, compared with the case where a notch is provided from the outer edge of the bolt holding member 70, it is possible to prevent damage due to stress concentration.

  Further, according to the bolt holding member 70 of the present embodiment, the cut portion 72b only communicates the holding hole 72a and the through hole 73a, and does not communicate with the outer edges 74, 75, and 76 of the holding portion 72. For this reason, the notch part 72b connected to the outer edges 74, 75, 76 of the holding part 72 does not open when the bolt 80 rotates, and the notch part 72b opens into the holding hole 72a when the notch part 72b opens excessively. It is possible to prevent the overload from being easily damaged.

  Further, according to the bolt holding member 70 of the present embodiment, a washer built-in screw is adopted as the bolt 80, and the holding portion 72 is fitted in the relief groove 83 between the screw head 81 and the washer 84. For this reason, even if the bolt 80 continues to be loosened, the bolt 80 is not detached from the holding portion 72, and high holding ability can be obtained.

  In the bolt holding member 70 of the present embodiment described above, a case has been described in which the cross-sectional area of the bent portion 73 is made smaller than other portions by forming two through holes 73a and 73b in the bent portion 73. Not limited. For example, one or three or more through holes may be formed, or the cross-sectional area of the bent portion 73 may be reduced by forming a notch from the outer edge of the bolt holding member 70. Moreover, it is not restricted to forming a through-hole and a notch in the bending part 73, For example, by forming the linear dent and crease | fold along the width direction W, reduction in rigidity of the bending part 73 is achieved. It may be. Furthermore, the bent portion 73 may be formed thinner than other portions, or may be formed of a low-rigidity material different from other portions.

  Moreover, although the case where the washer built-in screw was applied as the bolt 80 was described in the bolt holding member 70 of this embodiment, it is not limited to this. For example, a spring washer built-in screw may be applied as the bolt 80. In this case, even if the bolt holding member 70 is gradually crushed after the bolt 80 is tightened, the decrease in the screw fastening force can be reduced up to a collapse amount where the spring property of the spring washer works. Alternatively, the bolt 80 is not limited to the application of a screw incorporating a washer or the like. For example, a bolt having a clearance groove with a smaller diameter than the screw head and the screw portion is applied between the screw head and the screw portion. May be. In this case, the bolt can be held by fitting the relief groove of the bolt into the holding hole 72 a of the holding portion 72.

  Further, in the bolt holding member 70 of the present embodiment, the case where the notch portion 72b is communicated with the holding hole 72a by forming the bolt holding member 70 with a material having low stretchability has been described. I can't. For example, the bolt holding member 70 may be formed of a highly stretchable material such as vinyl or rubber. In this case, since the holding hole 72a can be expanded elastically, the bolt 80 can be easily assembled without providing the notch 72b.

  Further, in the bolt holding member 70 of the present embodiment, the case where only one holding hole 72a is provided has been described, but the present invention is not limited to this, and a plurality of holding holes 72a may be provided. In this case, a plurality of bolts 80 can be held simultaneously.

<Second Embodiment>
Hereinafter, the second embodiment of the present invention will be described in detail with reference to FIG. In this embodiment, the bolt holding member 170 is different from that in the first embodiment, but the other bolts 80 and the configuration of the image forming apparatus 1 are the same as those in the first embodiment, and thus detailed. Description is omitted. Also in this embodiment, the bolt holding member 170 is not limited to being applied to the image forming apparatus 1 and can be widely applied to products including objects that can be fastened by bolts.

  The bolt holding member 170 according to the present embodiment includes a sticking portion 171 attached to the thin plate member 11, a holding portion 172 that holds the bolt 80, and a bent portion 173 provided between the attaching portion 171 and the holding portion 172. I have. The affixing part 171 is affixed to the thin plate member 11 with, for example, a double-sided tape 171a. The bent portion 173 has, for example, two through holes 173a and 173b arranged in the width direction W.

  The holding part 172 has a holding hole 172a that is fitted to a part of the bolt 80 and penetrates the bolt 80 so as to hold the bolt 80. A cut portion 172b is provided in communication with the holding hole 172a. The notch 172b has a gap and communicates the holding hole 172a and the outer edge 176 of the holding part 172. Here, an intersection point between the straight line 172d orthogonal to the width direction W of the holding portion 172 at the center 172c of the holding hole 172a and the outer edge 175 on the distal end side of the holding portion 172 is defined as an intersection point 175a. The outer edge 176 communicated with the holding hole 172a by the notch 172b is a portion on the downstream side in the rotational direction R when the bolt 80 is fastened with respect to the intersection 175a.

  When the bolt 80 is attached to the bolt holding member 170 described above, the screw head 81 or the washer 84 of the bolt 80 is pushed into the holding hole 172a, or the escape groove 83 is pushed into the notch 172b from the outer edge 176 side. When the escape groove 83 enters the holding hole 172a, the cut portion 172b becomes the original shape, the holding portion 172 enters between the screw head 81 of the bolt 80 and the washer 84, and the bolt 80 is held.

  As described above, the bolt holding member 170 according to this embodiment also makes it difficult for the pasting portion 171 to peel off without securing a large distance between the holding hole 172a and the pasting portion 171 as in the first embodiment. For this reason, since the space | interval of the holding | maintenance hole 172a and the sticking part 171 can be made small, compared with the case where it does not have a bending part 173, while preventing the fall by hold | maintaining the bolt 80 with respect to the thin plate member 11 grade | etc.,. Thus, the size of the bolt holding member 170 can be reduced.

  Further, according to the bolt holding member 170 of the present embodiment, the outer edge 176 communicated with the holding hole 172a by the cut portion 172b is a portion on the downstream side in the rotational direction R when the bolt 80 is fastened with respect to the intersection 175a. . For this reason, when the bolt 80 is rotated in the rotation direction R for fastening, a frictional force is generated between the screw head 81 or the washer 84 and the holding portion 172, and friction is generated in the direction F1 in which the width of the cut portion 172b is reduced. Force acts. Here, even when the width of the cut portion 172b becomes narrower as the bolt 80 rotates, the opposing edges of the cut portion 172b come into contact with each other to restrict deformation, or the inner peripheral edge of the holding hole 172a is the bolt 80. Contact with the relief groove 83, the deformation of the holding portion 172 is restricted. For this reason, the notch 172b communicated with the outer edge 176 of the holding part 72 does not open during the fastening rotation of the bolt 80, and when the notch 172b opens excessively, the holding hole 172a is overloaded. It can prevent acting and becoming easy to break.

<Third Embodiment>
Hereinafter, a third embodiment of the present invention will be described in detail with reference to FIG. In this embodiment, the position of the notch portion 272b of the bolt holding member 270 is different from that of the second embodiment, but the other bolts 80 and other configurations of the image forming apparatus 1 are the first and second configurations. Since it is the same as that of embodiment, detailed description is abbreviate | omitted. Also in this embodiment, the bolt holding member 270 is not limited to being applied to the image forming apparatus 1 and can be widely applied to products including objects that can be fastened by bolts.

  In this embodiment, the notch part 272b is provided in communication with the holding hole 272a. The notch part 272b has a gap and communicates the holding hole 272a and the outer edge 274 of the holding part 272. Here, an intersection point between the straight line 272d perpendicular to the width direction W of the holding portion 272 at the center 272c of the holding hole 272a and the outer edge 275 on the distal end side of the holding portion 272 is defined as an intersection point 275a. The outer edge 274 communicated with the holding hole 272a by the notch 272b is a portion on the upstream side in the rotation direction R when the bolt 80 is fastened with respect to the intersection 275a.

  When the bolt 80 is attached to the bolt holding member 270 described above, the screw head 81 or the washer 84 of the bolt 80 is pushed into the holding hole 272a, or the escape groove 83 is pushed into the notch 272b from the outer edge 274 side. When the escape groove 83 enters the holding hole 272a, the cut portion 272b becomes the original shape, the holding portion 272 enters between the screw head 81 of the bolt 80 and the washer 84, and the bolt 80 is held.

  As described above, the bolt holding member 270 of the present embodiment also makes it difficult for the sticking portion 271 to peel off without securing a large distance between the holding hole 272a and the sticking portion 271 as in the first embodiment. For this reason, since the space | interval of the holding | maintenance hole 272a and the sticking part 271 can be made small, compared with the case where the bending part 273 is not provided, although falling is prevented by hold | maintaining the volt | bolt 80 with respect to the thin plate member 11 grade | etc.,. Thus, the size of the bolt holding member 270 can be reduced.

  Further, according to the bolt holding member 270 of the present embodiment, the outer edge 274 communicated with the holding hole 272a by the cut portion 272b is a portion on the upstream side in the rotational direction R when the bolt 80 is fastened from the intersection 275a. . For this reason, the freedom degree of the formation position of the notch part 272b connected to an outer edge can be raised. In addition, when forming the notch part 272b so that it may communicate with the outer edge 274, it is preferable to make the holding | maintenance part 272 highly rigid so that the notch part 272b may not open in the direction F2 by the fastening rotation of the volt | bolt 80.

<Fourth Embodiment>
Hereinafter, the fourth embodiment of the present invention will be described in detail with reference to FIG. In this embodiment, the bolt holding member 370 is different from that in the first embodiment, but the other bolts 80 and the configuration of the image forming apparatus 1 are the same as those in the first embodiment. Description is omitted. Also in this embodiment, the bolt holding member 370 is not limited to being applied to the image forming apparatus 1 and can be widely applied to products including objects that can be fastened by bolts.

  The bolt holding member 370 of the present embodiment includes an attaching portion 371 attached to the thin plate member 11, a holding portion 372 that holds the bolt 80, and a bent portion 373 provided between the attaching portion 371 and the holding portion 372. I have. The affixing part 371 is affixed to the thin plate member 11, for example, with a double-sided tape 371a. The bent portion 373 has, for example, two through holes 373a and 373b arranged in the width direction W.

  The holding portion 372 has a holding hole 372 a that is fitted to a part of the bolt 80 and penetrates the bolt 80 so as to hold the bolt 80. The holding hole 372a is a long hole, the short dimension is less than the outer diameter of the screw head 81 and less than the outer diameter of the washer 84, and the long dimension is equal to or larger than the outer diameter of the screw head 81 or the outer diameter of the washer 84. That's it.

  When the bolt 80 is attached to the bolt holding member 370 described above, the screw head 81 or the washer 84 of the bolt 80 is pushed into the holding hole 372a. When the screw head 81 or the washer 84 presses the peripheral portion of the holding hole 372a, the screw head 81 or the washer 84 passes through the holding hole 372a and the escape groove 83 enters the holding hole 372a. Then, the holding portion 372 enters between the screw head 81 of the bolt 80 and the washer 84, and the bolt 80 is held.

  As described above, the bolt holding member 370 of the present embodiment also makes it difficult for the sticking portion 371 to peel off without securing a large gap between the holding hole 372a and the sticking portion 371, as in the first embodiment. For this reason, since the space | interval of the holding hole 372a and the sticking part 371 can be made small, it is compared with the case where the bending part 373 is not provided while preventing the fall by holding | maintaining the volt | bolt 80 with respect to the thin plate member 11 grade | etc.,. Thus, the size of the bolt holding member 370 can be reduced.

  Further, according to the bolt holding member 370 of the present embodiment, the holding hole 372a is a long hole, the short dimension is less than the outer diameter of the screw head 81 and the outer diameter of the washer 84, and the longitudinal dimension is The outer diameter of the screw head 81 is equal to or greater than the outer diameter of the washer 84. For this reason, by elastically deforming the holding portion 372, the bolt 80 can be easily incorporated into the holding portion 372, while falling from the holding portion 372 due to the weight of the bolt 80 can be prevented.

<Fifth Embodiment>
Hereinafter, the fifth embodiment of the present invention will be described in detail with reference to FIG. In this embodiment, the bolt holding member 470 is different from that in the first embodiment, but the other bolts 80 and the configuration of the image forming apparatus 1 are the same as those in the first embodiment. Description is omitted. Also in this embodiment, the bolt holding member 470 is not limited to being applied to the image forming apparatus 1 and can be widely applied to products including objects that can be fastened by bolts.

  The bolt holding member 470 of this embodiment includes a sticking portion 471 attached to the thin plate member 11, a holding portion 472 that holds the bolt 80, and a bent portion 473 provided between the sticking portion 471 and the holding portion 472. I have. The affixing part 471 is affixed to the thin plate member 11 with, for example, a double-sided tape 471a. The bent portion 473 has, for example, two through holes 473a and 473b arranged in the width direction W.

  The holding part 472 has a holding hole 472a that is fitted to a part of the bolt 80 and penetrates the bolt 80 so as to hold the bolt 80. A cut portion 172b is provided in communication with the holding hole 172a. The cut portion 172b does not communicate with the outer edges 474, 475, 476 and the through holes 473a, 473b of the holding portion 172 from the holding hole 172a, and extends to the inside of the holding portion 472.

  When the bolt 80 is attached to the bolt holding member 470 described above, the screw head 81 or the washer 84 of the bolt 80 is pushed into the holding hole 472a. When the screw head 81 or the washer 84 presses the peripheral edge of the holding hole 472a, the notch 472b opens to deform the holding hole 472a, and the screw head 81 or the washer 84 passes through the holding hole 472a and the notch 472b. Then, the escape groove 83 enters the holding hole 472a. And the notch part 472b closes, the holding | maintenance part 472 penetrates between the screw head 81 and the washer 84 of the volt | bolt 80, and the volt | bolt 80 is hold | maintained.

  As described above, the bolt holding member 470 of the present embodiment also makes it difficult for the sticking portion 471 to peel off without securing a large distance between the holding hole 472a and the sticking portion 471, as in the first embodiment. For this reason, since the space | interval of the holding hole 472a and the sticking part 471 can be made small, compared with the case where there is no bending part 473 while preventing fall by hold | maintaining the volt | bolt 80 with respect to the thin plate member 11 grade | etc.,. Thus, the size of the bolt holding member 470 can be reduced.

  Further, according to the bolt holding member 470 of the present embodiment, the cut portion 472b communicates with the holding hole 472a, but does not communicate with the outer edges 474, 475, 476 of the holding portion 472. For this reason, the notch 472b communicating with the outer edges 474, 475, 476 of the holding part 472 does not open when the bolt 80 rotates, and the notch 472b opens into the holding hole 472a when the notch 472b opens excessively. It is possible to prevent the overload from being easily damaged.

  In the bolt holding members 70, 170, 270, 370, and 470 of the first to fifth embodiments described above, the case where the bolt holding members 70, 170, 270, 370, and 470 are rectangular has been described. Is not limited. As the shape of the bolt holding member, for example, a bent shape such as an L shape or a curved shape may be applied depending on the place of use. When the bolt holding member is not linear as described above, the width direction of the bent portion and the holding portion is, for example, a direction orthogonal to each center line along the longitudinal direction.

DESCRIPTION OF SYMBOLS 11 ... Thin-plate member (object), 70,170,270,370,470 ... Bolt holding member, 71,171,271,371,471 ... Paste part, 72,172,272,372,472 ... Holding part, 72a , 172a, 272a, 372a, 472a... Holding hole, 72b, 172b, 272b, 372b, 472b. , 373a, 373b, 473a, 473b ... through-hole, 74,174,274,374,474 ... upstream outer edge, 75,175,275,375,475 ... tip outer edge, 76,176,276,376 476 ... Outer edge on the downstream side, 80 ... Bolt (screw with built-in washer), 81 ... Screw head, 84 ... Washer, 172c, 272c ... Center of Jiana, 172d, 272d ... orthogonal linear, 175a, 275a ... intersection, W ... width direction.

Claims (10)

A sheet-like bolt holding member having flexibility,
An affixing portion that can be affixed to an object;
A holding portion having a holding hole capable of fitting to a part of the bolt and holding the bolt;
A bending portion that is provided between the sticking portion and the holding portion, and at least bendable at a lower rigidity than the holding portion;
A bolt holding member. The cross-sectional area in the width direction of the bent portion is smaller than the cross-sectional area in the width direction of the holding portion other than the portion where the holding hole is formed, and the bent portion achieves the low rigidity.
The bolt holding member according to claim 1. The bent portion has a through hole that reduces a cross-sectional area in the width direction of the bent portion.
The bolt holding member according to claim 2. It is formed continuously with the holding hole, and includes a slit-shaped notch that can deform the holding hole to fit the bolt.
The bolt holding member according to any one of claims 1 to 3, wherein It is formed continuously with the holding hole, and comprises a slit-shaped notch that can deform the holding hole to fit the bolt,
The cut portion communicates the holding hole and the through hole of the bent portion.
The bolt holding member according to claim 3. The cut portion communicates the holding hole and an outer edge of the holding portion.
The bolt holding member according to claim 4 or 5. The outer edge communicated with the holding hole has a rotational direction at the time of fastening of the bolt that is greater than an intersection of a straight line perpendicular to the width direction of the holding part at the center of the holding hole and the outer edge on the tip side of the holding part. The downstream part,
The bolt holding member according to claim 6. The bolt is a washer built-in screw,
The holding hole is fitted between a screw head and a washer of the washer built-in screw,
The bolt holding member according to any one of claims 1 to 7, wherein The holding hole is a long hole,
The short dimension of the long hole is less than the outer diameter of the screw head and less than the outer diameter of the washer,
The longitudinal dimension of the elongated hole is not less than the outer diameter of the screw head, or not less than the outer diameter of the washer.
The bolt holding member according to claim 8. At least the holding part has permeability.
The bolt holding member according to any one of claims 1 to 9, wherein

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