JPH11270537A - Fastening member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fastening member which is easily worked and hardly removed by providing a screw member having a screw head section, a fitting section fitted to a screw shaft section, a cap section coupled with the fitting section via a connection section to cover the fitting section, and a fitted member having an interval holding member provided on the fitting section. SOLUTION: A screw 11 constituted of a screw shaft 12 and a screw head section 13 at the upper end is press-molded with a tubular member 14 having a flange section 14b to serve as an interval holding member. A fitted member 15 is constituted of a ring section 16 serving as a fitting section and a flexible hinge 19 serving as a connection section. The fixing means of a fastening member having the fitted member 15 is constituted of the fitted member 15 provided with the ring section 16 having lugs 17 on the inner periphery and a tubular member 14 having the flange section 14b, and the screw shaft section 12 of the screw 11 penetrates the tubular member 14. The fitted member 15 is prevented from being removed and dropped from the screw 11, and work can be facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw for fixing a toilet or the like to a floor or a wall, and more particularly to a fastening member provided with a decorative cap for concealing a screw head from the outside.

[0002]

2. Description of the Related Art Conventionally, many types of fastening members having a head hiding member such as screws and bolts have been proposed, but a typical example thereof is shown in FIG. No. 8332 is known.

In this device, a gap 5 exists between the head 3 of the screw 1 and the upper end of the screw shaft 2, and a washer 4 is fixedly fitted to the screw shaft 2, and The ring 7 of the covering member 6 constituted by a ring 7 having an incision 8 in a gap 5 with the washer 4 and a cap 9 connected by a thin band 10 is fitted and mounted.

[0004]

In the prior art described above, the incision 8 must be pushed out and the ring 7 must be fitted and mounted on the convex portion 3a of the screw 1. Therefore, the member 6 to be covered while tightening is required. It is necessary to hold it, it is difficult to work, and if the tightening is loose, the foot comes off when it touches the member 6.

Further, the washer 4 is fitted to the screw shaft 2 of the screw 1, and then the head 3 and the convex portion 3a are press-formed, so that the cost is increased.

The present invention has solved the above conventional problems.
An object of the present invention is to provide a fastening member having a screw head concealing member that is easy to work and hard to come off.

[0007]

According to the present invention, there is provided a fastening member comprising:
A screw member provided with a screw shaft portion screwed to the mounting surface, a screw head provided above the screw shaft portion and having a screw head larger in diameter than the screw shaft portion provided with a hook portion for a tool; and the screw shaft. A mounting portion mounted on the outer peripheral surface of the portion, a cap portion connected to the mounting portion via a flexible connecting portion and the other end engaged with the mounting portion to cover the screw head; And a cover member provided with a spacing member provided on the mounting portion.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A ring portion as a mounting portion through which a screw penetrates, a cap portion for covering a screw head via a hinge as a flexible connecting portion in the ring portion,
A cylindrical member is provided which is inserted between the screw and is sandwiched between the lower surface of the screw head and the mounting surface. Further, the ring portion of the covered member having the above configuration is provided with three or more projections on the inner peripheral surface thereof, the diameter of an imaginary circle formed by connecting the tops being smaller than the outer diameter of the tubular portion of the tubular member. ing.

Further, a flange portion is provided below the cylindrical member, and a cylindrical portion slightly thicker than the ring portion is provided above the cylindrical member to form a metal spacing member. The ring is clamped so as not to be crimped.

[0010] With this configuration, the screw can be tightened while penetrating the screw while the tubular member is fitted and mounted on the ring portion of the member to be mounted.

Therefore, after the screw is tightened to the mounting surface, the cap portion of the member to be mounted can be fitted and mounted on the ring portion and integrated with the screw, so that a tightening member which is easy to work can be provided.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 show a first embodiment. In FIG. 1, reference numeral 11 denotes a screw shaft 12 and a screw head 13 at the upper end thereof.
The numeral 14 in FIG. 2 is a cylindrical member as a spacing member having a flange portion 14b, which is press-formed. The tubular member 14 can be formed by pressing a metal plate to form the tubular portion 14a and the flange portion 14b, and the cost is low.
Reference numeral 15 in FIGS. 3 and 4 denotes a member to be mounted. FIG. 3 is a plan view of the mounted member 15, and FIG. 4 is a central longitudinal sectional view. The mounted member 15 includes a ring portion 16 as a mounting portion, and a cap portion 19 connected by a hinge 18 as a flexible connecting portion.

The fastening member 30 provided with the covering member 15 of the present invention comprises a covering member 15 having a ring portion 16 provided with a projection 17 on the inner peripheral surface and a cylindrical member 14 having a flange portion 14b. And the threaded shaft portion 12 of the screw 11 penetrates through the tubular member 14 so that the covered member 15 and the tubular member 1
4 is prevented from coming off.

The ring portion 16 of the covering member 15 has a diameter D2 of an imaginary circle D1 at the top and a cylindrical portion 14a of the cylindrical member 14.
Are provided with three or more projections 17 having a diameter smaller than the outer diameter of. Therefore, by pushing the tubular portion 14a of the tubular member 14 into the ring portion 16 of the covered member 15,
The tubular member 14 and the tubular member 14 are not integrated and detached. If they are set at the time of shipment from the factory, they will not be lost at the time of construction or erroneously assembled, and the ring portion 16 will not be damaged.

FIG. 5A is a partial sectional view showing a state where the cap portion 19 of the fastening member 30 is opened.
(B) is a partial cross-sectional view showing a state where the cap portion 19 of the fastening member 30 is closed. The gap 20 is provided between the lower end of the screw head 13 and the ring part 16 by making the height of the cylindrical part 14 a of the cylindrical member 14 higher than the thickness of the ring part 16 of the member 15 to be mounted. Since the tightening torque of the screw 11 is received by the tubular portion 14a of the tubular member 14, the ring portion 16
No deformation is applied to the ring portion 16 without any load. Further, the cap portion 19 can be securely attached to the screw head 13 from a free position around the screw 11.

That is, the cylindrical member 1 as a spacing member
4, a gap 20 is provided, and even when the screw 11 is tightened, the cylindrical portion 14a of the cylindrical member 14 becomes a metal reinforcing portion that receives a tightening torque, so that deformation of the ring portion 16 and the like are prevented.

Further, the cap 19 of the covering member 15 is a bowl-shaped one which can be attached to the ring portion 16.
And the ring portion 16 are connected by a hinge 18 having flexibility.

Since the present invention has the structure as described above,
As shown in FIG. 6, the screw 11 is
6 and the tubular member 14 is fitted and mounted on the ring portion 16. Thereby, the covering member 15 is integrated with the tubular member 14 and the screw 11.

As shown in FIG. 7, the cap 19 of the covering member 15 is turned over to cover the screw head 13 of the screw 11. When tightening the screw 11 with a tool such as a screwdriver,
Naturally, the cap portion 19 is in an open state. However, when the screw 11 is set to the tightening position on the mounting surface, as shown in FIG.
As shown in (a), the cap 19 is gripped with a fingertip, and the screw 11 is set in the hole on the mounting surface. FIG. 7B shows a state where the screw head 13 is covered with the cap 19.

At this time, even if the screw head 13 of the screw 11 is directed upward, the cylindrical member 14 is locked by the cylindrical portion 14a abutting the projection 17 on the inner peripheral surface of the ring portion 16. Furthermore, since the lower end surface of the screw head 13 of the screw 11 abuts on the upper end surface of the tubular portion 14a of the tubular member 14, it does not fall off.

FIG. 8 shows a second embodiment. FIG. 8A is a cross-sectional view of the mounted member and the cylindrical member, and FIG. 8B is a cross-sectional view illustrating a state where the mounted member and the cylindrical member are screwed. When the covered member 21 and the tubular member 22 are formed into the covered member 21, the tubular member 22 is integrated by insert molding. Others are the same as the first embodiment.

FIG. 9 shows a third embodiment. FIG. 9A is a plan view of the tubular member, and FIG. 9B is a cross-sectional view of the tubular member. Three or more projections 25 are provided on the outer peripheral surface of the tubular portion 24 of the tubular member 23. The diameter of the imaginary circle formed at the apex of the projection 25 is larger than the inner diameter of the ring portion 16 of the mounted member 15. Therefore, the ring portion 16 of the covered member 15
By pushing the tubular portion 24 of the tubular member 23 into the
The cover member 15 and the tubular member 23 are not integrated and do not come off, and if set at the time of shipment from the factory, they will not be lost at the time of construction or will not be mistakenly assembled, and the ring portion 16 will be damaged. Nor.

FIG. 10 is an exploded perspective view showing a case where the toilet 26 is fixed to the floor by the fastening member 30 of the present invention.

[0024]

According to the present invention, a screw shaft portion screwed to the mounting surface,
A screw member provided above the screw shaft portion and having a screw head larger in diameter than the screw shaft portion provided with a tool catch portion, a mounting portion mounted on the outer peripheral surface of the screw shaft portion, and one end Is a cap portion connected to the mounting portion via a flexible connecting portion and the other end is engaged with the mounting portion to cover the screw head; and a spacing member provided on the mounting portion. Since the space between the mounting surface and the lower surface of the screw head can be held by the space holding member, the load is not applied to the mounting portion, and the deformation of the mounting portion can be prevented.

Since the spacing member is a cylindrical member whose inner diameter is substantially the same as or slightly larger than the outer diameter of the screw shaft portion, and which is fitted to the inner peripheral surface of the mounting portion of the member to be mounted, the screw is tightened. Even if it is set to, the mounted member does not fall out of the screw and fall, and the work becomes easy.

A flange is provided below the tubular member, and the mounting portion is sandwiched between the flange and the screw head. It does not fall. For this reason, since the cap portion of the covered member can be rotated to a position where it does not interfere with the screw tightening, the tightening operation can be performed.
Work becomes easier.

The mounting portion is formed in a ring shape, and three or more protrusions slightly higher than the difference between the inner diameter of the ring portion and the outer diameter of the cylindrical member are provided on the inner peripheral surface of the ring or the outer peripheral surface of the cylindrical member. Since the mounting of the covered member to the spacing member can be performed stably and reliably, the screwing of the screw to the mounting surface is easy and smooth,
Even if the screw is set in the tightening portion, the member to be mounted does not fall off the screw and fall, thereby facilitating the work.

Since the space holding member is insert-molded in the mounting portion, the number of components can be reduced, and the space holding member and the member to be mounted can be simultaneously inserted into the screw, thereby facilitating the work.

[Brief description of the drawings]

FIG. 1 is a front view of a screw of a fastening member according to a first embodiment.

FIG. 2 is a front view of the tubular member of the first embodiment.

FIG. 3 is a plan view of a member to be mounted according to the first embodiment.

FIG. 4 is a front sectional view of a member to be covered according to the first embodiment;

FIG. 5 is a sectional view of the fastening member of the first embodiment.

FIG. 6 is an exploded perspective view of the fastening member of the first embodiment.

FIG. 7 is a front view of the fastening member of the first embodiment.

FIG. 8 is a sectional view of a cylindrical member and a member to be mounted according to a second embodiment.

FIG. 9 is a plan view and a front sectional view of a cylindrical member according to a third embodiment.

FIG. 10 is an exploded perspective view of a toilet fixed by the fastening member of the present invention.

FIG. 11 is an exploded perspective view of a conventional fastening member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Screw 12 ... Screw shaft 13 ... Screw head 14 ... Cylindrical member (spacing member) 14a ... Cylindrical part 14b ... Flange part 15 ... Cover member 16 ... Ring part (mounting part) 17, 25 ... Projection 18 ... Hinge part (flexible connecting part) 19 ... Cap part 20 ... Gap 30 ... Tightening member

Claims (5)

[Claims] 1. A screw shaft portion screwed to a mounting surface,
A screw member provided above the screw shaft portion and having a screw head larger in diameter than the screw shaft portion provided with a tool catch portion, a mounting portion mounted on the outer peripheral surface of the screw shaft portion, and one end Is a cap portion connected to the mounting portion via a flexible connecting portion and the other end is engaged with the mounting portion to cover the screw head; and a spacing member provided on the mounting portion. And a covering member having the following. 2. The method according to claim 1, wherein the spacing member is a cylindrical member having an inner diameter substantially equal to or slightly larger than an outer diameter of the screw shaft portion, which is fitted on an inner peripheral surface of the mounting portion of the mounted member. The fastening member according to claim 1, wherein 3. The fastening member according to claim 2, wherein a flange is provided below the tubular member, and the mounting portion is sandwiched between the flange and the screw head. 4. The mounting portion has a ring shape, and three or more protrusions slightly higher than the difference between the inner diameter of the ring portion and the outer diameter of the cylindrical member are provided on the inner peripheral surface of the ring or the outer peripheral surface of the cylindrical member. The fastening member according to claim 2 or 3, wherein 5. The fastening member according to claim 1, wherein the spacing member is insert-molded in the mounting portion.