JP2008057558A - Edge part protective structure of plate-like component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily mount a protection member for fitting in an edge part of a plate-like component, and to easily remove and paint when a color of the plate-like component is changed. <P>SOLUTION: The edge part protection structure protects by fitting the protection member 2 formed of elastic resin in a U-shape in cross section in the edge part of the plate-like component 1. A plurality of recessed parts 12 continuing from an end surface are arranged on the edge part. A projection part 22 for engaging with the recessed part 12 is formed on a fitting groove part 21 of the protection member 2. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an edge protection structure for a plate-like component such as a light shielding plate that covers the front face of a door of an electrical equipment storage box.

    The edge of the plate-like component is usually attached by a means such as fitting to protect the edge itself and an object in contact with the edge or from the viewpoint of worker safety. In order to prevent the protection member from being detached from the edge, as shown in FIG. 6, a plate-like component 200 is fitted in the fitting groove 102 of the resin protection member 100 in which a core metal 101 having a U-shaped cross section made of a spring material is embedded. What provided the collar part 103 which presses both surfaces of this edge part is known.

However, since the protection member 100 uses the spring property of the cored bar 101 to sandwich the edge of the plate-like component 200, when the protection member 100 is fitted to the edge of the plate-like component 200. In order to resist the resilience of the cored bar 101, it is necessary to perform the work by striking the protective member 100 from the opposite side of the fitting groove 102 with a hammer or the like. Further, since the fitting width is limited by the cored bar 101, there is a problem that the thickness of the plate-like component 200 can be dealt only with a certain range.
NITTO KOGYO CATALOG 2006 General Catalog (April 1, 2006) 575 2nd stage

  The present invention solves the conventional problems as described above, and can easily attach a protective member fitted to the edge of a plate-like component such as a light shielding plate that covers the front surface of the door of the electrical equipment storage box. It is to provide an edge protection structure for a plate-like component that can be easily removed and painted when changing the color of the plate.

  The edge protection structure for a plate-like component according to the present invention is an edge protection structure in which a protective member having a U-shaped cross section made of an elastic resin is fitted and protected to the edge of the plate-like component. A basic invention is characterized in that a plurality of recesses continuing from the above are disposed, and a protrusion that engages with the recess is formed in the fitting groove of the protective member.

    In the present invention, the concave portion is formed with a circular enlarged concave portion following the narrow concave portion facing the end surface of the edge portion, and the protruding portion is a narrow protruding portion provided continuously from the bottom of the fitting groove portion so as to correspond to the concave portion. It is preferable that a circular enlarged protrusion is provided at the tip of each.

  The edge protection structure of the plate-like component according to the present invention described above is a cross section made of an elastic resin with the hole edge of the operation window hole of the handle of the light shielding plate covering the front surface of the door of the electrical equipment storage box being the edge of the plate-like component. Since it is fitted and protected in the fitting groove of the U-shaped protection member, when the finger is inserted from the operation window hole and the handle of the door is operated, the finger may be protected and damaged by the protection member. There is nothing. In addition, when the edge part of a plate-shaped component is a hole edge of the electric wire drawing hole provided in the electric equipment storage box, there is no possibility of damaging an electric wire.

    Further, according to the present invention, a plurality of recesses extending from the end face are provided at the edge of the plate-like component, and a protrusion that engages with the recess is formed in the fitting groove of the protection member. Since the fitting groove is fitted to the edge of the plate-like component and the projection is engaged with the recess of the plate-like component, the protective member is not easily dropped from the edge of the plate-like component. is there.

    It is assumed that a circular enlarged recess is formed following the narrow recess facing the end surface of the edge, and the tip of the narrow projection that is provided continuously from the bottom of the fitting groove so as to correspond to the recess. By providing the circular enlarged protrusion on the protective member, the protective member is not easily dropped from the edge of the plate-like component.

    When the protective member is fitted to the edge of the plate-like component, since the protective member is made of an elastic resin, the circular enlarged protruding portion at the tip of the protruding portion is also easily elastically thinned by the narrow concave portion of the concave portion. Since it is compressed to the width and returned to the original enlarged shape in the circular enlarged concave portion of the concave portion, the engagement work is easy. Furthermore, when it is necessary to remove the protective member from the edge of the plate-like component, the circular enlarged protruding portion at the tip of the protruding portion can be easily elastically thinned by pulling the protective member parallel to the plate surface of the plate-like component. It can be removed by being compressed and deformed to a narrow width by the width recess and the engagement from the recess being released. Therefore, it is possible to perform the repainting of the plate-like component without troublesome masking of the protective member.

Next, a preferred embodiment of the present invention will be described with reference to the drawings.
1 to 4 show a first embodiment, and this embodiment protects an edge which is a hole edge of an operation window hole of a door handle of a light shielding plate covering a front surface of a door of an electric equipment storage box. The present invention relates to an edge protection structure for a plate-like component.
In FIG. 1, reference numeral 1 denotes a plate-like component that is a light shielding plate that covers the front surface of the door 4 of the electrical device storage box 3. Reference numeral 2 denotes a cross section U made of an elastic resin such as a synthetic rubber for fitting and protecting the fitting groove 21 to the edge 11 which is a hole edge of the handle window hole 1a of the handle 1 of the plate-like component 1 which is the light shielding plate 1. It is a character-shaped protection member. The edge 11 is provided with a plurality of recesses 12 extending from the end surface. Correspondingly, a protrusion 22 that engages the recess 12 is formed in the fitting groove 21 of the protective member 2. Yes.

    As shown in FIG. 2, the concave portion 12 is formed by forming a circular enlarged concave portion 12 b following the narrow concave portion 12 a facing the end face of the edge portion 11, and the other protruding portion 22 is fitted so as to correspond to the concave portion 12. A circular enlarged protrusion 22b is provided at the tip of a narrow protrusion 22a provided continuously from the bottom of the groove 21.

    What is constituted in this way is a protection member 2 made of an elastic resin and having a U-shaped cross section at the edge 11 of the plate member 1, that is, the light shielding plate 1, that is, the hole edge 11 of the operation window hole 1 a of the handle 5 of the door 4 Since the fitting groove 21 is fitted and protected, when the finger is inserted from the operation window hole 1a and the handle 5 of the door 4 is operated, the finger is protected by the protective member 2 and may be damaged. There is nothing.

    Further, a plurality of recesses 12 are provided from the edge 11 of the plate-like component 1, that is, the edge 11 of the light-shielding plate 1, that is, the opening edge 11 of the operation window hole 1 a of the handle 5 of the door 4, and a protective member corresponding to this. Since the protrusion 22 that engages with the recess 12 is formed in the two fitting grooves 21, the protective member 2 is fitted with the fitting groove 21 to the edge of the plate-like component 1 and the protrusion Since 22 is engaged with the recess 12 of the plate-like component 1, the protection member 2 does not easily fall off the edge 11 of the plate-like component 1.

    It is assumed that the recessed portion 12 is formed with a circular enlarged recessed portion 12b following the narrow recessed portion 12a facing the end surface of the edge portion 11, and the protruding portion 22 is formed from the bottom of the fitting groove portion 21 so as to correspond to the recessed portion 12. By providing the circular enlarged protrusion 21b at the end of the continuous narrow protrusion 21a, the protective member 2 does not easily fall off the edge 11 of the plate-like component 1.

    In this case, when the protection member 2 is fitted to the edge portion 11 of the plate-like component 1, the protection member 2 is made of an elastic resin. Since the narrow concave portion 12a is easily compressed into a narrow width by elasticity, and the circular enlarged concave portion 12b of the concave portion 12 returns to the original enlarged shape and engages, so that the fitting work is also easy. Further, when it is necessary to remove the protective member 2 from the edge 11 of the plate-like component 1, if the protective member 2 is pulled out parallel to the plate surface of the plate-like component 1, the circular enlarged protruding portion at the tip of the protruding portion 22 22b can also be easily removed by being elastically compressed and deformed to a narrow width by the narrow recess 12a and released from the recess 12. Therefore, the protective member 2 can be masked without troublesome masking when the color of the plate-like component 1 is changed.

Next, FIG. 5 shows 2nd Embodiment, This embodiment is related with the edge part protection structure of the plate-like component which protects the edge part which is a hole edge of the electric wire lead-in hole provided in the electric equipment storage box. Is.
In this embodiment, the technical means of the edge portion and the protective member is the same as that of the first embodiment, and the description thereof will be omitted.
In this embodiment, the edge 11 of the plate-like component 1, that is, the plate-like component 1 of the electrical equipment storage box, that is, the hole edge 11 of the wire drawing hole 1 b provided in the plate 1 is protected by the protection member 2. If you hit it, it will not be damaged.

    In addition, although the said 1st and 2nd embodiment protects the edge part which is a hole edge of the hole of a plate-shaped component, the protection member also illustrated the ring-shaped endless thing, although it is not endless, Good. Of course, it can also be carried out on the end face of the plate-like component, that is, the edge of the plate-like door or the open end face of the electric equipment storage box.

The partially cutaway perspective view showing the first embodiment. FIG. 3 is a partially cutaway perspective view showing a main part of the first embodiment. The partial notch perspective view which shows the principal part of a protection member. The perspective view which shows 1st Embodiment. The perspective view which shows 2nd Embodiment. Sectional drawing which shows a prior art example.

Explanation of symbols

1 Sheet-like parts
11 Edge
12 Recess
12a Narrow recess
12b Circular expansion recess 2 Protection member
21 Mating groove
22 Protrusion
22a Narrow protrusion
22b Circular enlarged protrusion

Claims (2)

  In the edge protection structure in which a protection member having a U-shaped cross section made of elastic resin is fitted and protected to the edge of the plate-like component, the edge is provided with a plurality of recesses extending from the end surface, and An edge protection structure for a plate-like component, wherein a projection engaging with the recess is formed in a fitting groove of the protection member. The concave portion forms a circular enlarged concave portion following the narrow concave portion facing the end face of the edge portion, and the protruding portion has a circular enlarged projection at the tip of the narrow convex portion provided continuously from the bottom of the fitting groove portion so as to correspond to the concave portion. The edge part protection structure of the plate-shaped component of Claim 1 which provided the part.

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