JPH05304716A - Blocking plate for opening of floor panel - Google Patents

Abstract

PURPOSE:To prevent the shaking of the title blocking plate at the time of walking. CONSTITUTION:The title blocking plate is composed of a main body section 5 for blocking the opening of floor panels 1 and a plate 8 retained on the upper surface of a surface plate section 4 of the section 5. The section 5 which blocks the opening of the floor panel is made of a synthetic resin so that the production of abnormal sounds can be prevented even when the panel 1 is brought into contact with a metal. In addition, the plate 8 covering the upper surface of the section 4 and front face of a hanging section 6 is made of a metallic material so as to prevent the wear of the surface section of the plate and, at the same time, improve the fire resistance of the plate. Moreover, the plate 8 can be put when the surface plate section 7 of the plate 8 is slid on the plate receiving surface 9 of the main body section 5 and, when the plate 8 is put, coming off of the plate 8 from the section 5 in the sliding direction can be prevented, because the side edges of the surface plate section 7 are locked to the section 5. At the same time, floating of the plate 8 is also prevented, because the hanging section 6 is locked to the front wall 3 of the section 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a closing plate for opening a floor panel.

[0002]

2. Description of the Related Art FIG. 9 shows a conventional example of a closing plate used for closing an opening of a floor panel when an outlet or the like is not attached. In this conventional example, the closing plate A
Is made of a metal material and has a substantially L-shaped cross section, and is used by being placed and held on the periphery of the opening 2 formed at the side edge of the floor panel 1.

[0003]

However, in the above-mentioned conventional example, since the closing plate is only placed on the peripheral edge of the opening 2 of the floor panel 1, the generation of abnormal noise or rattling during walking is completely eliminated. It has a drawback that it cannot be prevented.

The present invention has been made to solve the above drawbacks, and an object of the present invention is to provide a closing plate for an opening of a floor panel which can completely prevent rattling and the like during walking.

[0005]

According to the present invention, the object is to close the front edge of an opening 2 formed by cutting out a side edge of a floor panel 1 as shown in FIG. 1 corresponding to an embodiment. A synthetic resin main body 5 including a front wall 3 and a face plate 4 that closes the opening 2 from above, a hanging portion 6 corresponding to the front wall 3 of the main body 5, and a table corresponding to the upper surface of the face plate 4. Face plate 7
And a metal plate 8 having a substantially L-shaped cross section, and the main body portion 5 has a plate receiving surface 9 of the face plate portion 4.
The plate 8 is provided with a pressing piece 10 that presses the side edge of the surface plate portion 7 of the plate 8, and the plate 8 is mounted on the body portion 5 by sliding the surface plate portion 7 on the plate receiving surface 9. In addition, the side edge of the surface plate portion 7 is locked to the main body portion 5 to prevent the plate 8 from being detached in the sliding direction, and the hanging portion 6 is locked to the front wall 3 to float up. This is achieved by providing a closing plate for the floor panel opening that prevents

[0006]

The closing plate comprises a main body portion 5 for closing the floor panel opening and a plate 8 held on the upper surface of the face plate portion 4 of the main body portion 5. Since the main body 5 that closes the floor panel opening is made of a synthetic resin material, generation of abnormal noise due to metal contact with the floor panel 1 is prevented.

Further, the plate 8 covering the upper surface of the face plate portion 4 of the main body portion 5 and the front surface of the hanging portion 6 is made of a metal material to enhance the rigidity of the surface of the closing plate and to improve the fire resistance.

Further, the plate 8 is mounted by simply sliding the surface plate portion 7 on the plate receiving surface 9 of the main body portion 5,
At the time of mounting, the side edge of the surface plate portion 7 is locked to the main body portion 5 to prevent separation in the sliding direction, and the hanging portion 6 is locked to the front wall 3 to prevent floating. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 6 shows the use state of the closing plate. First, the floor panel 1 is formed by joining the top panel 1a and the back panel 1b at the peripheral edge and filling the hollow portion with the inorganic filler 1c. This floor panel 1
Has a notch-shaped opening 2 at the center of the side edge, and a flange 16 for fixing the closing plate is provided at the peripheral edge of the opening 2.

The front end of the flange 16 is bent downward in a rounded shape to facilitate entry of a bulge 17a provided on a locking leg 17 described later. Also,
A small hole 16a is bored in the flange 16 to receive a positioning protrusion 18 of the main body portion 5 described later to position the closing plate.

The closing plate is, as shown in FIGS. 1 to 5,
A main body 5 made of synthetic resin in which a front wall 3 is hung from a front edge of a face plate 4 that closes an opening 2 of the floor panel 1, a face plate 4 of the main body 5, and a metal cover that covers the front wall 3. And the plate 8.

The plate 8 has a locking claw 19 which is cut and raised rearward from the lower edge of the hanging portion 6, and an inclined portion 11 which is formed by bending the rear portion of the side edge of the surface plate portion 7 in a downward slope. It has a locking projection 20 formed in front of the inclined portion 11, a U-shaped notch 21 provided at the center of the rear edge, and an arc-shaped notch 22 provided on the side of the U-shaped notch 21, Between the U-shaped notch 21 and the arcuate notch 22, a recessed groove 14 extending from the rear end edge of the surface plate portion 7 to the upper portion of the hanging portion 6 is provided to improve rigidity.

On the other hand, the face plate portion 4 of the main body portion 5 has the central portion excluding the peripheral edge portion according to the outer shape of the plate 8 and the plate 8
The plate receiving surface 9 is recessed by the plate thickness of 1 to prevent the occurrence of a step when the plate 8 is held on the plate receiving surface 9. The plate receiving surface 9 is the plate 8
The portion corresponding to the concave groove 14 of the
Interference with the back surface of 4 is prevented.

Further, the plate receiving surface 9 is provided with an inclined groove 12 corresponding to the inclined portion 11 of the plate 8, and the inclined groove 12 and the rear edge of the lightening portion 15 are provided above. The pressing pieces 10 project from the upper ends of the edging portions 13 of the plate receiving surface 9 so that the pressing pieces 10 project from each other. In addition, the plate 8 is attached to the edge portion 13 of the plate receiving surface 9.
The step projection 23 for locking the locking projection 20 is provided, and the front wall 3 is provided with the locking recess 24 corresponding to the locking claw 19 of the plate 8.

The plate 8 is mounted on the main body 5 by sliding the surface plate 7 rearward on the face plate 4, and in the mounted state, the rear end of the inclined portion 11 and the concave groove 14 is pressed. While being pressed by the piece 10, the locking claw 19 of the hanging part 6 is locked by the locking recess 24 to prevent upward disengagement, and the locking projection 20 is locked by the step 23. Detachment to the front edge side is prevented.

Further, in this embodiment, the main body portion 5 is provided with a passage opening forming portion 25 arranged corresponding to the U-shaped notch 21 of the plate 8. A guide groove 25a is provided on the periphery of the passage opening forming portion 25 so that the guide groove 25a has a small thickness, and is easily punched by being sandwiched by a tool such as pliers.
The passage opening can be easily opened.

On the other hand, on the back surface of the face plate portion 4, a positioning projection 18 that fits into a small hole 16a formed in the flange 16 of the floor panel 1, a locking leg portion 17, and wraps backward from the front wall 3. The formed reinforcing frame portion 26 is provided.

As shown in FIGS. 4 and 5, the locking leg portion 17 has a joining side leg portion 17b protruding from the back surface of the face plate portion 4.
And an elastic leg 17c extending in a cantilever shape upward from the lower end of the joining side leg portion 17b, the elastic leg 17c is formed in a U-shaped cross section.
A bulge portion 17a that is elastically locked is provided on the.

Therefore, in this embodiment, when the closing plate is pushed in from above the opening 2 of the floor panel 1, the elastic leg 17c of the locking leg portion 17 is elastically deformed and the bulge 17a becomes the flange of the floor panel 1. 16 is elastically locked to complete the mounting work. Further, when removing the closing plate from this state, as shown in FIG. 7, the finger hooking concave portion 27 provided in the main body portion 5 so as to border the arcuate notch 22.
Insert your finger into and pull up. As a result, the closing plate pivots upward with the end edge on the front wall 3 side as a fulcrum, and the locked state of the locking leg portion 17 with the floor panel 1 is released.

In this case, if the locking leg portion 17 is arranged at the center of the side edge portion of the main body portion 5 as in this embodiment, the pulling force in the finger hooking concave portion 27 is leveraged by the lever action. Since it acts as a large release force at a large angle, the blocking plate can be easily removed even if the locking force at the locking leg portion 17 is increased. As a result, the locking force of the locking leg portion 17 can be increased, and the rattling of the mounting can be effectively prevented.

Further, in the above description, the case where one passage opening forming portion 25 is provided is shown, but as shown in FIG. 8, two or more passage opening forming portions 25 are provided. It is also possible to provide.

[0022]

As is apparent from the above description, the closing plate according to the present invention is formed by combining the synthetic resin main body and the metal surface plate in a laminated manner, and is provided at the contact portion with the floor panel. Since the main body is arranged, metal contact with the floor panel is prevented, and it is possible to prevent abnormal noise during walking.

Since the main body is covered with the surface plate, the main body is prevented from being deformed due to softening of the main body or falling off from the opening of the closing plate due to burnout of the main body, thereby improving fire resistance. Can be improved.

Further, since the plate can be mounted by simply sliding the surface plate portion on the plate receiving surface of the main body portion, the assembling workability can be improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a plan view of a closing plate.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB of FIG.

FIG. 5 is a rear perspective view of the closing plate.

FIG. 6 is a perspective view showing a use state of the closing plate.

FIG. 7 is an explanatory view showing a method for removing the closing plate.

FIG. 8 is a plan view showing a modified example of the present invention.

FIG. 9 is an explanatory diagram showing a conventional example.

[Explanation of symbols] 1 Floor panel 2 Opening 3 Front wall 4 Face plate part 5 Main body part 6 Hanging part 7 Surface plate part 8 Plate 9 Plate receiving surface 10 Holding piece 11 Inclined part 12 Inclined groove 13 Edged part 14 Groove groove 15 Meat removal

Claims (3)

[Claims] 1. A main body made of synthetic resin, comprising: a front wall for closing a front edge of an opening formed by cutting out a side edge of a floor panel; and a face plate portion for closing the opening from above, and a front surface of the main body. A metal plate having a hanging portion corresponding to the wall and a surface plate portion corresponding to the upper surface of the face plate portion and having a substantially L-shaped cross section is provided, and the main body portion includes a plate receiving surface of the face plate portion. The plate is provided with a pressing piece that projects upward and presses the side edge of the surface plate part of the plate, and the plate is mounted on the main body part by sliding the surface plate part on the plate receiving surface. A closing plate for the floor panel opening, in which side edges of the face plate portion are locked to the main body portion to prevent separation in the sliding direction, and hanging portions are locked to the front wall to prevent floating. 2. The plate receiving surface is formed by recessing the central portion of the face plate portion and the front wall in the same shape as the outer shape of the plate and at a depth substantially equal to the plate thickness of the plate. Has a downwardly sloping slope, and the plate receiving surface of the main body has
2. The inclined groove corresponding to the inclined portion is provided as a recess, and the pressing piece is provided so as to project from the upper end edge of the edging portion of the plate receiving surface so that the surface of the plate and the externally exposed surface of the main body are flush with each other. Of the floor panel opening of the. 3. The plate is reinforced by being provided with a concave groove extending from the rear end edge of the surface plate portion to the hanging portion, and the plate receiving surface of the main body portion is lightened to prevent interference with the bottom portion of the concave groove. 3. The floor panel opening closing plate according to claim 2, wherein the portion is recessed, and the upper surface of the groove is pressed by a pressing piece that projects from the upper edge of the edging portion of the plate receiving surface.