Box for accommodating electrical and electronic apparatuses

Abstract

To suppress the possibility of fastening screws becoming the obstacle in closing a door when an operation is carried out to close the door while the fastening screws used to fasten the door to a housing body remain attached to the door.SOLUTION: Provided is a box for accommodating electrical and electronic apparatuses, including a housing body 11 capable of accommodating electrical and electronic apparatuses, a door that can cover an opening located on the front of the housing body, a packing 13 which is sandwiched between the housing body and the door when the door is closed, a hinge part 14 for connecting the door to the housing body in an openable / closable manner, and a fastening screw that can be used to increase the force with which the packing is held between the door and the housing body. The box is constituted by including, on the housing body side, a screw insertion part 11a which the fastening screw can be inserted through, and a groove part capable of accommodating the packing, and further a notch part 11c, which is located next to and in front of the screw insertion part and behind the front end of the groove part, and which has a larger aperture area than the screw insertion part in a front view.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present invention relates to a storage box for electric and electronic equipment. [Background technology]

[0002] It is common to connect a housing body and a door with a hinge so that the door can be opened and closed. As described in Patent Document 1, it has also been considered to fasten the door and the housing body with a screw. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 11-330725

[0004] However, when attempting to close the door with part of the shank of the tightening screw protruding from the back surface of the door, the shank of the tightening screw may hit the main body of the housing, making it impossible to close the door. Summary of the Invention [Problem to be solved by the invention]

[0005] The inventor of the present invention has studied this issue extensively and attempted to solve it. The problem that the present invention aims to solve is to reduce the possibility that the tightening screw used to tighten the housing body and the door will become an obstacle to closing the door when the door is closed while the tightening screw is still attached to the door. [Means for solving the problem]

[0006] In order to solve the above problem, the present invention provides an electrical and electronic device storage box that includes a housing main body capable of storing electrical and electronic devices, a door capable of covering an opening located on the front side of the housing main body, a gasket that will be sandwiched between the housing main body and the door when the door is closed, a hinge portion that connects the door to the housing main body so that it can be opened and closed, and a tightening screw that can be used to increase the force that clamps the gasket between the door and the housing main body, wherein the electrical and electronic device storage box includes, on the housing main body side, a screw insertion portion through which the tightening screw can be inserted, and a groove portion in which the gasket can be stored, and a cutout portion having an opening area larger than that of the screw insertion portion in a front view, adjacent to the screw insertion portion, forward of the screw insertion portion and rearward of the front end of the groove.

[0007] It is also preferable that the pivot axis of the door be located rearward of the front end of the screw insertion portion, and that a part of the cutout portion be located closer to the hinge portion than the screw insertion portion in a front view.

[0008] It is also preferable that, when viewed in the axial direction of the hinge portion, a portion of the cutout portion is located between the female thread portion that can be screwed into the tightening screw and the shaft body of the hinge portion.

[0009] It is also preferable that the door be provided with screw insertion holes into which the fastening screws can be inserted, and that at least a portion of the screw insertion holes be configured to be narrower than the axial width of the fastening screws to be inserted therein. Effect of the Invention

[0010] In the present invention, when the door is closed while the fastening screw used to fasten the housing body and the door is still attached to the door, the possibility that the fastening screw will hinder the closing of the door can be reduced. [Brief description of the drawings]

[0011] [Figure 1] 1 is a perspective view of an electric / electronic device storage box according to an embodiment, showing a state before a fastening screw is attached. [Diagram 2] 2 is a perspective view of a housing body of the electric / electronic device storage box shown in FIG. 1. [Diagram 3] FIG. 1 is a diagram showing a state in which the door of the electric / electronic device storage box in the embodiment is half-opened, but in order to make it easier to understand the structure around the screw insertion portion, the door is cut so as to pass through the screw insertion portion. [Figure 4] FIG. 2 is a diagram showing an example of a front view of a part of a housing main body according to an embodiment. [Diagram 5] 1 is a cross-sectional view of the vicinity of the screw insertion portion located on the hinge side in a state where the housing body and the door are fastened with a fastening screw of the electrical / electronic device storage box according to an embodiment, in which the front end of the groove portion, the front end of the screw insertion portion, and the front end of the female thread portion are indicated by dashed lines in the front-rear direction. [Figure 6] 1 is a cross-sectional view of a screw insertion portion located on a hinge side in a state in which a housing body and a door are fastened with a fastening screw of an electric / electronic device storage box according to an embodiment, where the screw insertion portion is painted black. [Figure 7] 1 is a cross-sectional view of the vicinity of a screw insertion portion located on the hinge portion side in a state in which a housing body and a door are fastened with a fastening screw of an electric / electronic device storage box according to an embodiment, with a cutout portion painted black. [Figure 8] 1 is a cross-sectional view of the vicinity of the screw insertion portion located on the hinge portion side in a state in which the housing body and the door are fastened with a fastening screw of the electrical / electronic device storage box according to an embodiment, in which the screw insertion portion is surrounded by a dashed line, the cutout portion is surrounded by a dashed line, and each is colored. [Figure 9] This figure shows an example of how the positional relationship between the housing body and the tightening screw changes when the door is moved with the tightening screw attached to the hinge side of the door, where the door is in a more open state from (a) to (b) and from (b) to (c). [Figure 10] 1 is a cross-sectional view of the vicinity of the screw insertion portion located on the hinge side in a state where the housing body and the door are fastened with a fastening screw of an electric / electronic device storage box according to an embodiment, in which the left-right positions of the end of the female thread portion and the end of the shaft body of the hinge portion are indicated by dashed lines. [Figure 11] 11 is a diagram in which the female thread portion is painted black compared to the diagram shown in FIG. [Figure 12] 1 is a cross-sectional view of the vicinity of a screw insertion portion located on the hinge portion side when the door of the electrical / electronic device storage box in the embodiment is closed and the tightening screw is removed. FIG. [Figure 13] 1 is a cross-sectional view of the vicinity of a screw insertion portion located on the hinge portion side with the door of the electrical / electronic device storage box in the embodiment in a closed state and with a tightening screw attached. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] An embodiment of the invention will be described below. As can be understood from Fig. 1 to Fig. 8, an electric / electronic device storage box 1 of the embodiment includes a housing body 11 capable of storing electric / electronic devices, a door 12 capable of covering an opening located on the front side of the housing body 11, a packing 13 to be sandwiched between the housing body 11 and the door 12 when the door 12 is closed, a hinge portion 14 connecting the door 12 to the housing body 11 so as to be openable and closable, and a tightening screw 15 that can be used to increase the force with which the packing 13 is clamped between the door 12 and the housing body 11. The electric / electronic device storage box 1 also includes, on the housing body 11 side, a screw insertion portion 11a through which the tightening screw 15 can be inserted, and a groove portion 11b in which the packing 13 can be stored. Furthermore, this electrical / electronic device storage box 1 has a notch 11c having a larger opening area than the screw insertion portion 11a in a front view, adjacent to the screw insertion portion 11a, forward of the screw insertion portion 11a, and rearward of the front end of the groove portion 11b. Therefore, when the door 12 is closed while the fastening screw 15 used to fasten the housing body 11 and the door 12 is attached to the door 12, the possibility that the fastening screw 15 will hinder the closing of the door 12 can be reduced.

[0013] Here, the box 1 for storing electrical and electronic equipment will be described. The box 1 for storing electrical and electronic equipment can store electrical and electronic equipment, and includes a housing body 11 and a door 12. The housing body 11 has an opening at the front side through which electrical equipment and the like can be inserted and removed, and the door 12 that can close this opening is rotatably connected using a hinge portion 14. In addition, when the door 12 is closed, a packing 13 is interposed between the housing body 11 and the door 12 (see Figs. 1 to 5). When the door 12 is closed, this packing 13 is located between the door 12 and the housing body 11, and prevents water, dust, and the like from entering between the door 12 and the housing body 11. In addition, in the embodiment, the packing 13 is more firmly sandwiched by tightening the tightening screw 15, thereby improving the dustproofing and waterproofing performance.

[0014] The fastening screw 15 is to be screwed into the female threaded portion 16a, and the female threaded portion 16a is provided on the housing body 11 side. The housing body 11 is also provided with a screw insertion portion 11a into which the fastening screw 15 is inserted when the fastening screw 15 is inserted into the female threaded portion 16a. The screw insertion portion 11a may be provided with a female threaded portion, but in this embodiment, it is a through hole that does not have a female threaded portion.

[0015] Although the female screw portion 16a may be provided on the housing body 11, it is preferable to provide the female screw portion 16a at a location other than the housing body 11 because this is a location where force is likely to be applied.

[0016] In the embodiment, a nut 16 having a female thread portion 16a is disposed on the rear side of the housing body 11 (see FIG. 5). Therefore, the fastening screw 15 that has passed through the screw insertion portion 11a is screwed into the female thread portion 16a on the rear side of the screw insertion portion 11a. In the embodiment, a nut holder 17 capable of suppressing movement of the nut 16 is attached to the housing body 11. If the nut holder 17 is removed from the housing body 11, it is possible to replace the nut 16 held in the nut holder 17. Therefore, even if the nut 16 is damaged, it is possible to replace the nut 16.

[0017] In the embodiment, the nut holder 17 is located at the rear side of the flange portion 11d provided on the housing body 11, and the nut holder 17 applies a force to the rear side of the housing body 11 by tightening the fastening screw 15. The nut holder 17 is configured to be larger than the nut 16 in a front view, and is capable of dispersing the force applied to the rear side of the housing body 11 by tightening the fastening screw 15. The flange portion 11d is located at the front side of the housing body 11, and the nut holder 17 is configured to be located forward of the rear end of the housing body 11 even in a state where the nut holder 17 is attached.

[0018] Incidentally, the fastening screw 15 may be inserted into the screw insertion hole 121 provided in the door 12 after the door 12 is closed, or the door 12 may be opened with the fastening screw 15 removed from the screw insertion hole 121. However, if the door 12 can be opened and closed with the fastening screw 15 already hooked onto the door 12, it is possible to prevent the fastening screw 15 from being lost.

[0019] However, if the tightening screw 15 is left attached to the door 12, the tip of the tightening screw 15 may get caught on the housing body 11 when the door 12 is opened or closed. In order to avoid such a situation, the housing body 11 of the embodiment is configured to have a cutout portion 11c having a larger opening area than the screw insertion portion 11a in a front view, next to the screw insertion portion 11a, forward of the screw insertion portion 11a, and rearward of the front end of the groove portion 11b (see Figs. 4 to 8). With such a configuration, even if the tightening screw 15 is provided on the door 12, it is possible to suppress the possibility that the tightening screw 15 will hit the housing body 11 and become an obstacle to the movement of the door 12. More specifically, in the embodiment, when the tightening screw 15 is attached to the door 12, the cutout portion 11c can be positioned on a rotational orbit along which the tip of the shaft of the tightening screw 15 moves when the door 12 is opened or closed (see Fig. 9).

[0020] The notch 11c may be provided in all screw insertion portions 11a, but when comparing the hinge portion 14 side with the anti-hinge portion side (handle side), the anti-hinge portion side has a narrower angle range of the door 12 where the tip of the tightening screw 15 approaches the housing main body 11. Therefore, there are cases where it is not necessary to provide a notch 11c of such a large size, and cases where it is not necessary to provide the notch 11c.

[0021] On the other hand, on the hinge portion 14 side, the angle range of the door 12 where the tip of the fastening screw 15 approaches the housing body 11 is relatively wide (see FIG. 9). For this reason, it is preferable that the notch portion 11c is adjacent to the screw insertion portion 11a located on the hinge portion 14 side.

[0022] In addition, when the rotation axis Rc of the door 12 is located forward of the front end of the screw insertion portion 11a, the tip of the tightening screw 15 generally moves from the anti-hinge side toward the hinge portion 14 side near the screw insertion portion 11a. On the other hand, when the rotation axis Rc of the door 12 is located rearward of the front end of the screw insertion portion 11a, the tip of the tightening screw 15 generally moves from the hinge portion 14 side toward the anti-hinge side near the screw insertion portion 11a. In addition, when the rotation axis Rc of the door 12 is located forward of the front end of the screw insertion portion 11a, the electrical and electronic equipment storage box 1 tends to become large, so it is preferable to configure the rotation axis Rc of the door 12 to be located rearward of the front end of the screw insertion portion 11a. In this case, a part of the cutout portion 11c is located closer to the hinge portion 14 side than the screw insertion portion 11a when viewed from the front.

[0023] In addition, when viewed in the axial direction of the hinge portion 14, it is preferable that a portion of the cutout portion 11c is located between the female thread portion 16a that can be screwed into the tightening screw 15 and the shaft body of the hinge portion 14 (see Figure 10).

[0024] The female thread portion 16a is a portion where a helical ridge is provided on the female thread portion 16a, and is a portion roughly surrounded by a square in the cross section shown in Fig. 11. It is preferable that a part of the cutout portion 11c is located closer to the hinge portion 14 than such a portion.

[0025] Incidentally, in order to be able to open and close the door 12 with the fastening screw 15 hooked on it, it is necessary that the fastening screw 15 can be made to be hooked on the door 12. There are various ways in which the fastening screw 15 can be made to be hooked on the door 12, such as by attaching an O-ring or the like from the inside of the door 12 to the screw insertion hole 121 provided on the door 12 so that the fastening screw 15 is hooked on the door 12.

[0026] However, if a component other than the door 12 and the fastening screw 15 is used, there is a possibility that the component may be lost. For this reason, it is preferable to provide the door 12 with a portion on which the fastening screw 15 can be hooked. For example, it is preferable to provide the screw insertion hole 121 with a portion on which the fastening screw 15 can be hooked. One specific example in this case is to configure the fastening screw 15 to have a thread. Of course, it is not necessary to have a thread; for example, if a part of the screw insertion hole 121 is made narrower than the axial width of the fastening screw 15, the fastening screw 15 can be hooked to the door 12.

[0027] The screw insertion hole 121 may be shaped narrower than the axial width of the fastening screw 15, and the fastening screw 15 may be inserted, for example, to deform a portion of the screw insertion hole 121, thereby allowing the fastening screw 15 to be hooked onto the door 12. This deformation may be elastic or plastic.

[0028] In any case, it is preferable that the door 12 has a screw insertion hole 121 into which the fastening screw 15 can be inserted, and at least a part of the screw insertion hole 121 is narrower than the axial width of the fastening screw 15 to be inserted. With such a configuration, it becomes possible to open and close the door 12 without the fastening screw 15 coming off the door 12. It also becomes possible to adjust the position of the fastening screw 15 relative to the door 12.

[0029] Incidentally, as can be understood from FIG. 12 and FIG. 13, when the protrusion 121a is provided protruding toward the through axis of the screw insertion hole 121 in order to provide a portion narrower than the axial width of the fastening screw 15 inserted into the screw insertion hole 121, it is preferable to provide an inclined surface portion 121aa on the front side of the protrusion 121a, which is configured to be closer to the central axis of the screw insertion hole 121 from the front side to the rear side. The inclined surface portion 121aa can function as a guide for the fastening screw 15. In addition, when the protrusion 121a is a portion to be cut, the inclined surface portion 121aa can be provided to guide the fastening screw 15 so as to cut an appropriate portion. In addition, an introduction portion 121b formed to have a larger diameter than the portion where the protrusion 121a exists may be provided on the front side of the protrusion 121a. The introduction portion 121b makes it difficult for the deformed protrusion 121a to be pinched between the head of the fastening screw 15 and the door 12 even if the protrusion 121a is deformed.

[0030] Although the present invention has been described above by taking the embodiment as an example, the present invention is not limited to the above embodiment and can be implemented in various forms. For example, even when a protrusion is provided, the inclined surface portion may not be provided and the front side of the protrusion may be configured as a surface perpendicular to the penetration direction. [Explanation of symbols]

[0031] 1 Electrical equipment storage box 11. Main unit 11a Screw insertion part 11b Groove 11c Cutout 12 Doors 13 Packing 14 Hinge part 15 Fastening screw 16a Female thread 121 Screw insertion hole Rc Rotational axis

Claims

1. A box for storing electrical and electronic equipment, comprising: a housing body capable of storing electrical and electronic equipment; a door capable of covering an opening located on the front side of the housing body; a packing to be sandwiched between the housing body and the door when the door is closed; a hinge portion connecting the door to the housing body so that the door can be opened and closed; and a tightening screw that can be used to increase the force with which the packing is sandwiched between the door and the housing body, The housing body is provided with a screw insertion portion into which a fastening screw can be inserted and a groove portion into which a packing can be housed, A box for storing electrical and electronic equipment is provided with a cutout portion having an opening area larger than that of the screw insertion portion when viewed from the front, adjacent to the screw insertion portion, forward of the screw insertion portion, and rearward of the front end of the groove portion.

2. The door pivot axis is located behind the front end of the screw insertion portion, 2. The electrical / electronic device storage box according to claim 1, wherein a part of the notch is located closer to the hinge portion than the screw insertion portion in a front view.

3. 3. The electrical / electronic device storage box according to claim 2, wherein, as viewed in the axial direction of the hinge portion, a part of the notch portion is located between the female thread portion that can be screwed into the fastening screw and the shaft body of the hinge portion.

4. The door is provided with a screw insertion hole into which a fastening screw can be inserted, 4. The electrical / electronic device storage box according to claim 1, wherein at least a portion of the screw insertion hole is narrower than the axial width of the fastening screw to be inserted therein.

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