Covers and devices

Abstract

To provide a cover lid for covering an opening and a device equipped with the cover lid applicable to a device having a device housing having a structure protruding from the peripheral edge of the opening at a position adjacent to the opening.SOLUTION: A cover lid 10 includes a first plate portion 20 and a second plate portion 30. The first plate portion 20 has a plurality of insertion holes 23 into which screws 40 are inserted, and is fixed so as to cover the opening of a device housing 2 that spreads vertically and horizontally by the plurality of screws 40 respectively inserted into the plurality of insertion holes 23. In addition, the second plate portion 30 is spaced apart from the first plate portion 20 and spreads along the outward surface of the first plate portion 20 so as to face some of the insertion holes 23. In the second plate portion 30, the cover lid 10 is removed from the device housing 2, the inward surface faces the outside of the device 1, and a hooking hole 31 for hooking a screw 40 attached to the device housing 2 is provided in a state in which a head 41 is separated from the surface of the device housing 2.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an overcap and an apparatus. [Background technology]

[0002] There exists a device having a structure in which an apparatus housing has an opening, parts requiring maintenance are disposed inside the opening, and a cover is attached to cover the opening. The cover is removed when performing maintenance on the parts inside the opening.

[0003] Cited Document 1 proposes a structure in which, in order to improve the ease of maintenance work, a so-called daruma hole is provided in the cover lid, and once the cover lid has been removed, the daruma hole can be hooked onto the fixing bolt used to secure the cover lid. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2019-134121 A Summary of the Invention [Problem to be solved by the invention]

[0005] The present invention aims to provide a cover lid that covers an opening, which can also be applied to an apparatus having an apparatus housing with a structure that protrudes beyond the periphery of the opening, located adjacent to the opening, and an apparatus equipped with the cover lid. [Means for solving the problem]

[0006] First aspect The invention relates to a first plate portion having a first surface facing the inside of the device and a second surface facing the outside of the device, the first plate portion having a plurality of insertion holes into which a screw portion of a fastener having a screw portion and a head portion having a larger diameter than the screw portion is inserted, the first plate portion being fixed so as to cover an opening of the device housing that extends in all directions by a plurality of fasteners having screw portions inserted into the respective plurality of insertion holes; The cover is characterized by having a second plate portion that is spaced apart from the first plate portion and extends toward the second surface side of the first plate portion so as to face at least some of the multiple insertion holes that are on the same side of the opening, either vertically or horizontally, and that has a hook portion provided for hooking onto the fastener attached to the device housing when the cover is removed from the device housing with the first surface facing the outside of the device and the head separated from the surface of the device housing.

[0007] Second aspect The invention according to the present invention is characterized in that each of the plurality of insertion parts has a first opening through which the screw part is inserted into the insertion part and which prevents the head part from passing through, and a second opening which is connected to a lower part of the first opening and allows the head part to pass through. First aspect 2. A cover lid according to claim 1.

[0008] Third aspect The present invention is characterized in that a gap is provided between the first plate portion and the second plate portion that is equal to or larger than the thickness of the head portion. First or second aspect 2. A cover lid according to claim 1.

[0009] Fourth aspect The invention according to the present invention is characterized in that the hook portion has a third opening, which is provided at a position overlapping with the first opening in the direction in which the screw portion is inserted, and through which the head portion passes, and a fourth opening, which is connected above the third opening and allows the screw portion to pass through but prevents the head portion from passing through. Second or third aspect 2. A cover lid according to claim 1.

[0010] Fifth aspectThe invention according to the present invention is characterized in that, in a state in which the hook portion is hooked onto the fastener with the first surface facing the outside of the device, a part of the head of the fastener hooked onto the hook portion is covered by the first plate portion. Third aspect 2. A cover lid according to claim 1.

[0011] Sixth aspect The invention according to the present invention is characterized in that the hook portion is a hook hole provided in the second plate portion, the hook hole is connected to a lower portion of the third opening portion, and has a fifth opening portion through which the head portion can be visually recognized when the cover lid is lifted to a position where the hook hole is overlapped with the head portion in a state where the screw portion is inserted into the insertion hole. Fourth aspect There is a cover lid as described above.

[0012] Seventh aspect The invention according to the present invention is characterized in that the second plate portion has a shape in which an extension portion of the first plate portion is folded back. Any one of the first to sixth aspects 2. A cover lid according to claim 1.

[0013] Eighth aspect The invention relates to Any one of the first to seventh aspects A cover lid according to claim 1, The device is characterized in that it has an apparatus housing having an opening that is covered by the cover lid by screwing.

[0014] Ninth aspect The invention relates to the device housing has a protruding portion protruding beyond an edge of the opening of the device housing at a position covered by the first plate portion when the hook portion is hooked onto the fastener, The cover lid is characterized in that a dimension obtained by combining a gap between the first plate portion and the second plate portion and a thickness of the second plate portion is equal to or larger than a protruding amount of the protruding portion. Eighth aspect The device is described in Effect of the Invention

[0015] First aspect The cover of the Eighth and Ninth AspectsThe above-mentioned device can also be applied to a device housing having a structure protruding beyond the periphery of the opening at a position adjacent to the opening.

[0016] Second aspect According to the cover lid of the above, the cover lid can be removed from the device housing by simply loosening the fasteners without completely removing the fasteners from the device housing.

[0017] Third aspect According to this cover lid, the head of the fastener can be disposed between the first plate portion and the second plate portion.

[0018] Fourth aspect The cover lid makes it easier to access the head of the fastener when covering the opening of the device housing with the cover lid, compared to when the first opening and the fourth opening are formed at the same height.

[0019] Fifth aspect According to this cover lid, when the cover lid is to be attached to cover the opening of the device housing, it is possible to prevent the cover lid from being attached in an orientation in which the second surface of the first plate portion faces the inside of the device.

[0020] Sixth aspect The cover lid makes it easier to remove the cover lid from the device housing, compared to a case in which the fifth opening is not formed.

[0021] Seventh aspect The cover lid described above can provide a lower cost cover lid compared to a case in which the second plate portion is manufactured as a separate part from the first plate portion and then fixed to the first plate portion. [Brief description of the drawings]

[0022] [Figure 1] FIG. 2 is a perspective view showing a part of the external appearance of the device. [Diagram 2] 13 is a perspective view showing the state in which the cover lid has been removed and hung on the side of the opening. FIG. [Diagram 3] FIG. 2 is an enlarged view of the area indicated by circle R in FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] Hereinafter, an embodiment of the present invention will be described.

[0024] FIG. 1 is a perspective view showing a part of the external appearance of the device.

[0025] FIG. 2 is a perspective view showing a state in which the cover lid has been removed and hung on the side of the opening.

[0026] An opening 3 is formed in a housing 2 of this device 1. A circuit board 4 is disposed in a position facing the opening 3 within the housing 2. This opening 3 is covered by a cover 10 secured in place by screws 40, as shown in FIG.

[0027] However, this circuit board 4 needs to be maintained as necessary. For maintenance, the cover 10 is removed and placed next to the opening 3 of the housing 2 with the cover 10 hooked onto the screw 40 that was previously screwed in place, as shown in FIG. 2.

[0028] Here, the surface of the cover 10 that faces the inside of the device 1 and the surface that faces the outside when the cover 10 covers the opening 3 are referred to as a first surface 11 and a second surface 12, respectively. In the state in which the opening 3 is covered with the cover 10 as shown in Fig. 1, the second surface 12 of the cover 10 faces outward. On the other hand, in the state in which the cover 10 is removed and placed next to the opening 3 as shown in Fig. 2, the first surface 11 of the cover 10 faces outward.

[0029] The device 1 also includes a fan 5. The fan 5 is fixed to a first surface 11 of the cover 10, and is connected to the circuit board 4 by a wire 6. For maintenance of the circuit board 4, the fan 5 needs to be connected to the circuit board 4.

[0030] In addition, a protrusion 2a that protrudes beyond the edge of the opening 3 is formed on the housing 2 at a position beside the opening 3, i.e., at a position of the housing 2 that is covered by the cover lid 10 when positioned beside the opening 3.

[0031] The cover lid 10 has a first plate portion 20 and a second plate portion 30. The first plate portion 20 has a width sufficient to cover the entire surface of the opening 3 of the housing 2. The first surface 11 and the second surface 12 of the cover lid 10 are also the first surface 21 and the second surface 22 of the first plate portion 20. The first plate portion 20 is screwed to the housing 2 at a total of eight points, including three points along its upper edge, three points along its lower edge, and two points along its right edge. For this screw fastening, the first plate portion 20 has insertion holes 23 into which the screws 40 are inserted at five points, excluding the three points along the lower edge. In addition, screw insertion notches 24 into which the screws 40 are inserted are formed at three points along the lower edge. Both of these insertion holes 23 and screw insertion notches 24 correspond to examples of the insertion portion referred to in the present invention.

[0032] In this embodiment, the second plate portions 30 are provided at two locations, one above the other at the right corner of the first plate portion 20, facing the insertion holes 23 or the screw insertion notches 24 formed at those locations of the first plate portion 20. The second plate portions 30 provided at these two locations extend away from the first plate portion 20 toward the second surface 22 of the first plate portion 20. These second plate portions 30 are used when the cover 10 is removed from the housing 2 and hung in the position shown in FIG.

[0033] Fig. 3 is an enlarged view of the area indicated by circle R in Fig. 1. Fig. 3(A) is a view showing the structure including the second plate portion of the area indicated by circle R, and Fig. 3(B) is a view showing the insertion hole 23 of the first plate portion 20 of the same area with the second plate portion 30 removed. Fig. 3(A) shows the head 41 of the screw 40 that screws the cover 10 to the housing 2, while Fig. 3(B) shows the screw hole 2b formed in the housing 2 with the screw 40 removed.

[0034] First, the shape of the insertion hole 23 formed in the first plate portion 20 will be described with reference to FIG. 3(B).

[0035] The insertion hole 23 has a first hole portion 23a and a second hole portion 23b connected to the lower portion of the first hole portion 23a. The first hole portion 23a is a hole having a diameter into which a screw portion (not shown) of the screw 40 is inserted into the screw hole 2b formed in the housing 2, and is a hole having a diameter that prevents the head 41 of the screw 40 from passing through. This allows the cover 10 to be fixed to the housing 2 with the screw. On the other hand, the second hole portion 23b has a wide diameter that also allows the head 41 of the screw 40 to pass through. Thus, when removing the cover 10 fixed to the housing 2, the cover 10 is lifted up until the height positions of the screw 40 and the second hole portion 23b match with the screw 40 while the screw 40 is loosened without being completely removed from the housing 2. Then, the cover 10 can be removed by pulling the cover 10 toward yourself. The first hole portion 23a and the second hole portion 23b of the insertion hole 23 correspond to an example of a first opening portion and an example of a second opening portion, respectively, according to the present invention.

[0036] At three locations along the lower edge of the cover 10, screw insertion notches 24 are formed in place of the insertion holes 23. These screw insertion notches 24 are notches in a shape in which the insertion holes 23 shown in FIG. 3(B) are connected to the lower edge of the first plate portion 20 and the lower half of the second hole portion 23b is missing. With regard to these screw insertion notches 24, the portion corresponding to the first hole portion 23a of the insertion hole 23 corresponds to an example of the first opening in the present invention. Moreover, the portion of the screw insertion notch 24 in a shape in which the lower half of the second hole portion 23b is missing corresponds to an example of the second opening in the present invention.

[0037] Next, the second plate portion 30 will be described with reference to FIG.

[0038] The second plate portion 30 of this embodiment has a shape in which an extension portion is formed on the first plate portion 20 and the extension portion is folded back toward the second surface 22 side of the first plate portion 20. A gap is provided between the first plate portion 20 and the second plate portion 30 that is equal to or larger than the thickness of the head portion 41 of the screw 40 so that the head portion 41 of the screw 40 can be disposed therebetween. The combined dimension of this gap and the thickness of the second plate portion 30 is equal to or larger than the protruding amount of the protruding portion 7 shown in FIG. 1. The reason for this will be described later.

[0039] A hook hole 31 is formed in the second plate portion 30. The hook hole 31 is formed of a third hole portion 31a, a fourth hole portion 31b, and a fifth hole portion 31c.

[0040] The third hole portion 31a is a portion that is provided at a position that overlaps with the first hole portion 23a of the insertion hole 23 in the insertion direction of the screw 40 and has a diameter that allows the head 41 of the screw 40 to pass through. The provision of the third hole portion 31a that allows the head 41 of the screw 40 to pass through makes it easy to access the head 41 of the screw 40 when screwing the cover 10 into the housing 2.

[0041] The fourth hole portion 31b is a portion connected to the upper part of the third hole portion 31a, and has a hole diameter that allows the threaded portion of the screw 41 to pass therethrough but prevents the head portion 41 of the screw 40 from passing therethrough.

[0042] As described above, after loosening the screw 40 and removing the cover 10, the cover 10 is turned over so that the first surface 11 and the second surface are reversed, and the head 41 of the screw 40 is hooked onto the screw 40 attached to the housing 2 with the head 41 of the screw 40 separated from the housing 2. When turning the cover 10 over and hooking it onto the screw 40, the cover 10 is lifted to a position where the third hole portion 31a is at the same height as the screw 40, the head 41 of the screw 40 is inserted into the third hole portion 31a, and the hand lifting the cover 10 is loosened. Then, the screw 40 is at the same height as the fourth hole portion 31b, and the cover 10 is hooked onto the hook hole 31. When removing the cover 10 hooked onto the hook hole 31, the cover 10 is lifted up until the third hole portion 31a is at the same height as the screw 40, and pulled in a direction away from the housing 2. In this way, the cover 10 can be removed.

[0043] As described above, the combined dimension of the gap between the first plate portion 20 and the second plate portion 30 and the thickness of the second plate portion 30 is equal to or greater than the protruding amount of the protruding portion 2a shown in Fig. 1. This is to enable the cover 10 to be turned over and the hooking hole 31 to be hooked onto the screw 40 even if the housing 2 has the protruding portion 2a.

[0044] In addition, in the case of this embodiment, the cover 10 can be moved between the state in which the opening 3 is blocked as shown in FIG. 1 and the hooked state as shown in FIG. 2 while the fan 5 is connected to the circuit board 4 without disconnecting the wiring 6 of the fan 5.

[0045] Furthermore, the hook hole 31 has a fifth hole 31c that is connected to the lower side of the third hole 31a. The fifth hole 31 is provided to allow the head 41 of the screw 40 to be seen when the cover 10 attached to cover the opening 3 of the housing 2 is lifted for removal, or when the cover 10 is attached to cover the opening 3 of the housing 2 again. The fifth hole 31c makes it easy to remove and attach the cover 10.

[0046] Here, the hook hole 31 corresponds to an example of the hook portion according to the present invention. Also, the third hole portion 31a, the fourth hole portion 31b, and the fifth hole portion 31a of the hook hole 31 correspond to an example of the third opening portion, the fourth opening portion, and the fifth opening portion according to the present invention, respectively.

[0047] The lower second plate portion 30 shown in FIG. 1 has a hooking notch 32 formed therein instead of the hooking hole 31. The hooking notch 32 is a notch in a shape in which the third hole portion 31a of the hooking hole 31 formed in the upper second plate portion 30 shown in FIG. 3(A) reaches the lower edge of the second plate portion 30 and the fourth hole portion 31c is missing. The hooking notch 32 also corresponds to an example of a hooking portion as defined in the present invention. The portions of the hooking notch 32 corresponding to the third hole portion 31a and the fourth hole portion 31b of the hooking hole 31 correspond to examples of the third opening portion and the fourth opening portion, respectively, as defined in the present invention. However, the hooking notch 32 does not have a portion corresponding to the fifth opening portion as defined in the present invention.

[0048] Here, the insertion hole 23 provided in the first plate portion does not expand to the same height position as the fourth hole portion 31b of the hook hole 31. If the cover 10 is attached to close the opening 3 with the first surface 11 facing outward, i.e., in the orientation shown in Fig. 2, part of the head 41 of the screw will be covered by the first plate portion 20, making it difficult to access the screw. This prevents the cover 10 from being attached in this incorrect orientation.

[0049] Thus, according to the cover lid 10 of this embodiment, the second plate portion 30 is provided with a gap between it and the first plate portion 20, so that even if there is a protruding portion 2a, it can be avoided and the cover lid 10 can be hooked in the state shown in Figure 2.

[0050] In this embodiment, the second plate 30 is provided on the right side of the first plate 20 in the position shown in Fig. 1, but depending on the structure of the housing 2 of the device 1, the second plate 30 may be provided below the first plate 20 and hung so as to be lowered below the opening 3. In this way, the second plate 30 only needs to be provided on the same side of the opening 3, either above or below or to the left or right.

[0051] In addition, in this embodiment, the cover 10 is fixed to the housing 2 with screws, but the screws are not necessarily required and may be, for example, bolts, etc., and the fasteners for fixing the cover 10 to the housing 2 may be any fasteners having a threaded portion and a head portion with a larger diameter than the threaded portion. Also, all fasteners do not necessarily have to be the same fasteners.

[0052] Furthermore, although this embodiment has been described using as an example an apparatus 1 having a circuit board 4 and an opening 3 for maintenance of the circuit board 4, the object of maintenance does not have to be a circuit board, nor does it have to be an opening 3 for maintenance, but the present invention can be widely applied to any apparatus that has an opening that is normally covered with a cover and that needs to have the cover removed to open the opening. [Explanation of symbols]

[0053] 1 device 2. Chassis 2a Protruding part 2b screw hole 3 aperture 4 Circuit Board 5 Fan 6 Wiring 10 Cover 11 Page 1 12 Side 2 20 1st plate part 21 Page 1 22 Side 2 23 Insertion hole 23a 1st hole 23b 2nd hole 24 Screw insertion notch 30 2nd plate part 31 Hanging hole 31a 3rd hole 31b 4th hole 31c 5th hole 32 Hanging notch 40 Screws 41 Screw head

Claims

1. a first plate portion having a first surface facing the inside of the device having the device housing and a second surface facing the outside of the device, the first plate portion being fixed to the device housing by a plurality of fasteners each having a screw portion inserted therein, the first surface facing the inside of the device having the device housing and a second surface facing the outside of the device; The cover cover is characterized in having a second plate portion which extends away from the first plate portion toward the second surface side of the first plate portion so as to face the insertion portions provided above, below or to the left and right of the opening among the multiple insertion portions, and which has a hook portion provided for hooking onto the fastener whose head is attached to the device housing away from the device housing when the cover cover having the first plate portion is removed from the device housing and the first surface is facing toward the outside of the device.

2. The cover lid described in claim 1, characterized in that each of the multiple insertion portions has a first opening through which the screw portion is inserted into the insertion portion and which prevents the head from passing through, and a second opening connected to a lower portion of the first opening and which allows the head to pass through.

3. 3. The cover lid according to claim 1, wherein a gap is provided between the first plate portion and the second plate portion, the gap being equal to or larger than a thickness of the head portion.

4. A cover lid as described in claim 2 or claim 3 which cites claim 2, characterized in that the hook portion has a third opening for allowing the head to pass therethrough, which is positioned overlapping with the first opening in the insertion direction of the screw portion, and a fourth opening which is connected above the third opening, allows the screw portion to pass therethrough but prevents the head from passing therethrough.

5. The cover lid described in claim 3, characterized in that when the hook portion is hooked onto the fastener with the first surface facing the outside of the device, a portion of the head of the fastener hooked onto the hook portion is covered by the first plate portion.

6. The cover lid described in claim 4, characterized in that the hook portion is a hook hole provided in the second plate portion, the hook hole is connected below the third opening, and has a fifth opening that allows the head to be viewed when the cover lid is lifted to a position where it overlaps with the front head of the screw portion when inserted into the insertion portion.

7. The cover lid according to any one of claims 1 to 6, wherein the second plate portion has a shape in which an extended portion of the first plate portion is folded back.

8. A cover cap according to any one of claims 1 to 7; The apparatus further comprises an apparatus housing having an opening that is covered by the cover lid by screwing.

9. a protruding portion protruding beyond an edge of the opening of the device housing at a position of the device housing that is covered by the first plate portion when the hook portion is hooked onto the fastener, The device according to claim 8, characterized in that the combined dimension of the gap between the first plate portion and the second plate portion and the thickness of the second plate portion is greater than or equal to the protrusion amount of the protrusion portion.

Images