JP4522988B2 - Cover mounting structure - Google Patents

Description

  The present invention relates to a cover mounting structure for a cabinet body.

The lighting cover made of thermoplastic resin remains stressed between the part that cools earlier and the part that is difficult to cool during molding, and deformation due to warping is likely to occur.For example, when attaching a lighting cover that warps inward to the mirror cabinet body, Before the engaging claw of the lighting cover engages with the engaging hole of the mirror cabinet body, the outer end of the lighting cover comes into contact with the mirror cabinet body, and the engaging claw does not engage well. There was a problem that it could not be attached.
In addition, about the attachment structure corresponding to the curvature etc. of a lighting cover, patent document 1, patent document 2, patent document 3 is disclosed, for example, in patent document 3, the locking piece protrudingly provided by the back side of the lighting cover is inserted. On the cabinet side, a locking hole including an insertion portion and a narrow locking portion continuous to the insertion portion is provided.
JP 2002-315686 A Japanese Patent Laid-Open No. 10-162623 JP 2001-93322 A

  The mounting structure of the lighting cover disclosed in each of the above-mentioned patent documents has a problem that the structure is complicated and the manufacturing costs of the lighting cover and the cabinet body increase.

  The present invention has been devised in view of the above-described conventional problems, and provides a cover mounting structure capable of fixing a cover to a cabinet body without rattling with a relatively simple structure. Is formed of a top surface, a front surface, and a bottom surface, and a back surface is opened, and a cover made of thermoplastic resin with an engaging claw protruding from the periphery of the opening toward the back surface is formed in an engagement hole formed in the cabinet body. The engaging claw is inserted and attached to the cabinet main body, and a protrusion that contacts the cabinet main body is provided in the vicinity of the engaging claw of the cover.

  According to a second aspect of the present invention, the cabinet body is formed with a cover made of a thermoplastic resin, which is composed of an upper surface, a front surface, and a bottom surface, the rear surface is open, and an engagement claw is protruded from the peripheral portion of the opening toward the back surface. The engaging claw is inserted into the engaging hole and attached to the cabinet body, and a protrusion is provided in the vicinity of the engaging hole of the cabinet body so as to contact the peripheral portion of the opening of the cover. It is that you are.

  The present invention is an engagement formed on a cabinet body with a cover made of a thermoplastic resin, which is composed of an upper surface, a front surface, and a bottom surface, the back surface is open, and an engagement claw is protruded from the periphery of the opening toward the back surface. The engagement claw is inserted into the hole and attached to the cabinet body, and a protrusion that abuts the cabinet body is provided in the vicinity of the engagement claw of the cover, so that the cover is warped. Even if it occurs, the projection of the cover abuts against the cabinet body to prevent the cover from rattling, and the engagement claw is stably engaged with the engagement hole of the cabinet body.

  In addition, a cover made of a thermoplastic resin, which is composed of an upper surface, a front surface, and a bottom surface, has a rear surface opened and an engagement claw protruding from the periphery of the opening in the rear surface direction, is formed in an engagement hole formed in the cabinet body. The engagement claw is inserted and attached to the cabinet main body, and a protrusion is provided in the vicinity of the engagement hole of the cabinet main body to contact the peripheral portion of the opening of the cover. When the cover is attached to the cabinet body by inserting the engaging claw into the joint hole, the cover comes into contact with the protrusion near the engagement hole on the cabinet body side, and the cover is fixed to the cabinet body without rattling. The

1-4, the structure which attaches an illumination cover to a mirror cabinet as a reference example is demonstrated.
As shown in FIG. 1, the mirror cabinet 1 is formed with left and right lamp mounting portions 1b and 1b on the upper side of the storage space 1a. The left and right lamp mounting portions 1b and 1b can be mounted in the horizontal direction. A pair of engagement holes 2 and 2 are formed through the upper and lower portions of 1b, respectively.

On the other hand, the illumination cover 3 that is a cover of the illumination lamp is composed of an upper surface 7, a front surface 8, and a bottom surface 9, and has an opening K having an opening on the back surface, and protrudes rearward from a peripheral edge 3a of the opening K. Engaging claws 4 are integrally formed, and the engaging claws 4 are formed so as to protrude vertically on the left and right sides so as to correspond to the engaging holes 2 of the mirror cabinet 1. The front surface 8 and the bottom surface 9 of the lighting cover 3 are formed as continuous curved surfaces.
Each of the engaging claws 4 includes a plate-like protruding plate portion 4a that protrudes substantially horizontally rearward from the opening peripheral edge 3a, and a hook-shaped retaining claw portion 4b that is integrated with the tip of the protruding plate portion 4a. ing.
The respective engaging claws 4 are inserted into the respective engaging holes 2 of the mirror cabinet 1, and the retaining claws 4 b of the engaging claws 4 are engaged with the back side of the engaging holes 2 to illuminate the mirror cabinet 1. The cover 3 can be detachably attached.

Since the lighting cover 3 is formed of a thermoplastic resin, for example, as shown by R in the plan view of FIG. 3, an inward warp occurs, and the opening peripheral edge 3 a is curved to the position of the inward warp line R. In this case, when the illumination cover 3 is attached to the mirror cabinet 1 from the front side, the outer edges 3b and 3b of the illumination cover 3 come into contact with the mirror cabinet 1 first, and the inside of the engagement hole 2 There is a case where the engaging claw 4 cannot be inserted into.
That is, in the related art, as shown in an enlarged view in FIG. 4, the projecting dimension a from the opening peripheral edge 3a of the projecting plate portion 4a of the engaging claw 4 is set to 3.3 mm. May not reach the back side of the engagement hole 2 well, and the retaining claw portion 4b of the engagement claw 4 cannot be successfully engaged with the back side of the engagement hole 2.

Therefore, in the present invention, as shown in an enlarged view in FIG. 5, the projecting dimension a from the opening peripheral edge 3a of the projecting plate portion 4a of each engaging claw 4 is set to 5.3 mm, and the side of the projecting plate portion 4a. On the other hand, a protrusion 5 protruding backward from the opening periphery 3a is integrally formed, and the protrusion dimension b of the protrusion 5 from the opening periphery 3a is set to 2 mm.
Further, as shown in FIG. 6 in which the upper and lower engaging claws 4 are enlarged from the side surface side, the dimension c of the top portion rising outward in the shape of a hook of the retaining claw portion 4b integrally formed at the tip of the protruding plate portion 4a. Is set to 1 mm, and the dimension d of the retaining claw portion 4b inclined from the top is set to 4 mm.

  With this configuration, when the engagement claw 4 of the illumination cover 3 is inserted into the engagement hole 2 of the mirror cabinet 1 from the front side, even if the illumination cover 3 is warped, illumination is performed. Before the outer edge 3 b of the cover 3 abuts the mirror cabinet 1, the projection 5 abuts the mirror cabinet 1, and the protruding plate portion 4 a of the engagement claw 4 is inserted into the engagement hole 2 satisfactorily. The retaining claw portion 4b of the engaging claw 4 is disposed on the back surface of the engaging hole 2, and the contact surface P of the retaining claw portion 4b is in contact with and engaged with the back side of the engaging hole 2. At this time, since the tip of the projection 5 is in contact with the front surface side of the engagement hole 2 of the mirror cabinet 1, the mirror cabinet 1 is sandwiched between the projection 5 and the retaining claw 4b, and the rattle is rattled. The light cover 3 is firmly fixed to the mirror cabinet 1 The Rukoto.

Note that, as in the embodiment shown in the enlarged plan views of FIGS. 7 to 10, the positions and the number of the protrusions 5 are appropriately selected and formed.
7 is an example in which the inner projection 5a is integrally formed continuously on the inner side in the longitudinal direction of the engaging claw 4 of the lighting cover 3, and FIG. This is an example in which the outer protrusion 5b is integrally formed continuously in the direction outer side.

Furthermore, in FIG. 9, the clearance S is formed from the engaging claw 4, and the inner protrusion 5a is integrally formed. Further, in FIG. 10, the inner protrusion 5 a and the outer protrusion 5 b are integrally formed on the inner side and the outer side of the engaging claw 4, respectively.
In any case, the protruding plate portion 4a is inserted into the engagement hole 2 of the mirror cabinet 1, the contact surface P of the retaining claw portion 4b contacts the back side of the engagement hole 2, and the protrusions 5a, The tip of 5b contacts the front side of the engagement hole 2, and the illumination cover 3 is fixed to the mirror cabinet 1 without rattling.

In the meantime, what is shown in FIG. 11 is one in which protrusions 6a and 6b are integrally provided in the vicinity of the engagement hole 2 of the mirror cabinet 1 and are integrally provided. In FIG. The protrusions 6a and 6b on the first side come into contact with the opening peripheral edge 3a of the illumination cover 3, and the play of the illumination cover 3 can be prevented well.
The protruding lengths of the protrusions 6a and 6b are such that the protruding plate portion 4a of the engaging claw 4 is inserted into the engaging hole 2 so that the contact surface P of the retaining claw portion 4b is on the back side of the engaging hole 2. The dimensions are set such that the tips of the protrusions 6a and 6b abut against the opening periphery 3a when they abut.
The protrusions 6a and 6b may be formed either inside or outside the engagement hole 2 or may be formed so as to protrude from the engagement hole 2 with a gap.

  In addition, in this example, although the structure which attaches the illumination cover 3 to the mirror cabinet 1 is illustrated, not only a mirror cabinet but the above-mentioned protrusion also when attaching a cover other than an illumination cover to other cabinet bodies. By adopting a structure in which the portion is formed, the cover can be fixed to the cabinet body without rattling.

It is a disassembled perspective view of a mirror cabinet and a lighting cover. It is a principal part longitudinal cross-section enlarged view of the state which attached the illumination cover to the mirror cabinet. It is a plane block diagram of a lighting cover. It is an expansion plane block diagram of the engagement nail | claw formed in the conventional illumination cover. It is an expansion plane block diagram of the engaging claw periphery of the Example of this invention. It is an expansion side surface lineblock diagram of the engagement claw of the present invention. It is the plane expansion block diagram of the Example which formed the projection part inside the engagement nail | claw. It is the plane expansion block diagram of the Example which formed the projection part on the outer side of the engaging claw. It is an enlarged plane block diagram of the Example which formed the clearance gap inside the engagement nail | claw and provided the inner side protrusion part. It is an expanded plane block diagram of the Example which formed the projection part in the inner side and the outer side of the engaging claw. It is a plane expansion lineblock diagram of an example at the time of forming a projection part in the mirror cabinet side.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mirror cabinet 1b Lamp attachment part 2 Engagement hole 3 Illumination cover 3a Opening periphery 3b Outer edge 4 Engagement claw 4a Projection plate part 4b Stopping claw part 5 Projection part 5a Inner projection part 5b Outer projection part 6a, 6b Projection part K Opening P Contact surface

Claims (2)

A cover made of a thermoplastic resin, which is composed of an upper surface, a front surface, and a bottom surface, has an open rear surface and an engagement claw protruding from the periphery of the opening in the rear surface direction, is engaged with the engagement hole formed in the cabinet body. It is a structure that inserts a fingernail and attaches to the cabinet body,
A cover mounting structure, wherein a protrusion that abuts the cabinet body is provided in the vicinity of the engaging claw of the cover. A cover made of a thermoplastic resin, which is composed of an upper surface, a front surface, and a bottom surface, has an open rear surface and an engagement claw protruding from the periphery of the opening in the rear surface direction, is engaged with the engagement hole formed in the cabinet body. It is a structure that inserts a fingernail and attaches to the cabinet body,
A cover mounting structure characterized in that a protrusion that abuts on the peripheral portion of the opening of the cover is provided in the vicinity of the engagement hole of the cabinet body.

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