JPH0745763B2 - Handrail fixing device - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

The present invention relates to a handrail fixing device used for fixing a handrail to a wall surface.

[Prior art]

When installing a handrail with a wall, it is necessary to fix the end part or the middle part of the handrail to the wall surface by using a handrail fixing device. As such a handrail fixing device, it is conventionally shown in FIG. As shown, it has been proposed to tighten the male screw portion 71 at the end of the handrail 4 with the nut member 5 rotatably supported on the wall surface 2 by the auxiliary fixture 70.

[Problems to be Solved by the Invention]

The nut member 5 of the fixing device in the above-described conventional example is mounted in a state in which only the rotational movement around the rotation center axis 70c of the auxiliary fixing tool 70 is allowed, and the displacement in the tilt direction with respect to the center axis 70c is not changed. Not acceptable. As a result, when the male screw portion 71 of the handrail 4 is screwed into the nut member 5, the handrail 4
Will be fixed in a state in which only the rotational movement around the rotation center axis 70c is possible and in a state in which it is called to the wall surface 2 side by the nut member 5. When fixing both ends of the handrail 4 to the wall surface 2 using the fixing device of the conventional example,
As shown in FIG. 8, by temporarily screwing one end of the handrail 4 into the nut member 5, at least the call-in dimension δ
Only the rotational movement in the plane close to the wall surface 2 is allowed, and it is impossible to overcome the interference dimension δ with the nut member 5 at the other end portion, which is generated only by the inviting dimension δ, so that both end portions are simultaneously It is necessary to tighten the handrail 4, and the work of fixing the handrail 4 is troublesome. Further, in the above conventional example, the handrail 4 is attached to the nut member 5
Since the handrails 4 are fixed to the wall surface 2 that is orthogonal to the substantially L-shape as shown in FIG. 9, for example, as shown in FIG. Since the residual load in the right-angled direction is applied, there is a problem that the handrail 4 is deformed due to long-term use, or excessive stress is generated in the fixed portion of the wall surface 2. The present invention has been made in order to solve such a drawback, and an object of the present invention is to provide a handrail fixing device which can be easily fixed and can install the handrail 4 on various wall surfaces 2.

[Means for Solving the Problems]

According to the present invention, the above object has, as shown in FIG. 1 corresponding to the embodiment, an upper surface having a mounting surface 11 formed in a groove shape by projecting a rising wall 10 on an outer peripheral portion, A fixed seat 1 having a core portion 13 fixed to the wall surface 2 in the center thereof, and a hollow fixed to be mounted on a mounting surface 11 of the fixed seat 1 by outwardly projecting an outward flange 30. Has a part 31 at one end,
At the other end, a bracket 3 fixed to the handrail 4 and an inward flange 50 that is loosely fitted to the bracket 3 and abuts the outward flange 30 of the bracket 3 are formed in a cap nut shape. The fixing portion 31 of the bracket 3 is mounted on the mounting surface 11 of the fixed seat 1 that is fixed to the wall surface 2 as a separate body from the bracket 3 and has a nut member 5 that is screwed into the fixed seat 1. Is mounted and the nut member 5 is screwed into the fixed seat 1 to sandwich the outward flange 30 of the bracket 3 between the mounting surface 11 of the fixed seat 1 and the inward flange 50 of the nut member 5. This is achieved by providing a handrail fixing device comprising

According to the above configuration, the bracket 3 in the present invention is fixed by sandwiching and fixing the outward flange 30 protruding from the bracket 3 by the nut member 5 on the mounting surface 11 of the fixed seat 1. However, even when the nut member 5 is not screwed, the mounting surface 11 of the fixed seat 1 is formed in a groove shape with the rising wall 10 on the outer peripheral portion, so that the fixed portion 31 of the bracket 3 is fixed. It is temporarily held on the seat 1 without falling off.
In this state, the bracket 3 and the handrail 4 fixed to the bracket 3 are movable in all directions around the temporary holding portion, and the degree of freedom of movement of the handrail 4 required when fixing the other end is restricted. It is possible to move to a predetermined position without doing. Further, the bracket 3 in the present invention is fixed by the nut member 5 with the fixing portion 31 of the bracket 3 placed on the fixed seat 1. That is, in the present invention, the handrail 4 is fixed to the wall surface 2 in the initial state, and
3. No extra residual load is applied to the handrail 4 or the wall surface 2. Furthermore, the fixed seat 1 in the present invention is
It suffices to fix the core portion 13 formed at the center only at one place, and the work of fixing the anchor such as the anchor member can be easily and firmly performed, and the fixing portion is the hollow fixing portion 31 of the bracket 3. Since it is hermetically covered by the cap nut-shaped nut member 5, the watertightness of the inside is improved, corrosion of the fixing portion can be prevented, the appearance is good, and a cover member such as a decorative washer is not required.

【Example】

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the embodiment of the present invention shown in FIGS. 1 and 2, an anchor bolt 20 is embedded in the wall surface 2,
The fixing seat 1 is fixed by fastening the fixing nut 21 to the anchor bolt 20. The fixed seat 1 is provided with a core portion 13 having a loose hole 12 for inserting the above-mentioned anchor bolt 20 in the central portion thereof, a core portion 13 arranged concentrically with the core portion 13, and a male screw 14 on the outer peripheral portion. The core portion 13 is formed by including the engraved ring portion 15.
The placing surface 11 is formed so as to be stretched between the ring portion 15 and the ring portion 15. The mounting surface 11 serves to clamp and fix the outward flange 30 of the bracket 3 in cooperation with an inward flange 50 of the nut member 5 which will be described later, and holds the bracket 3 at the time of temporary holding or the handrail 4 In consideration of the strength after installation, a rising wall 10 is projectingly provided on the entire outer circumference of the mounting surface 11 by extending the upper end of the ring portion 15 slightly upward. Further, in this embodiment, four protrusions 16 radially extending from the core portion 13 are provided on the mounting surface 11 so that the recesses 32 of the bracket 3 can be fitted into the protrusions 16. The fixed seat 1 is prevented from rotating to prevent wobbling after installation. On the other hand, the bracket 3 shown in FIG. 1 has a support portion 33 of the handrail 4 projecting from one end and the fixing seat 1 at the other end.
After being inserted into the hollow portion 42 of the handrail 4 which is formed in a substantially L shape in a side view and has the outer surface of the steel pipe 40 covered with the resin material 41, It is fixed to the handrail 4 by screwing in the screw 43. The fixing portion 31 formed at the other end of the bracket 3 is formed in a hollow shape to prevent interference with the tip end portion of the anchor bolt 20 and the fixing nut 21, and the fixing seat 1 is provided at the end portion thereof. An outward flange 30 having a size that fits on the mounting surface 11 of is projected. The nut member 5 is a female screw that is screwed into the male screw 14 of the fixed seat 1.
It is configured by projecting an inward flange 50 at the upper end of a screw main body portion 52 having a 51 engraved on the inner circumference, and is loosely fitted and mounted on the bracket 3. Further, a chuck groove 53 for tightening a screw is formed on the outer peripheral portion of the screw main body 52, and the chuck groove 53 can be sandwiched by a tightening tool and rotated. In the above, the handrail fixing device using the bracket 3 having an L-shaped outer shape and attached to the end portion of the handrail 4 has been described, but the present invention is not limited to this, and it is not limited to this. As shown in FIG. 4, it is also possible to fix it in the middle of the handrail 4. In this case,
At one end of the bracket 3, a receiving surface 34 formed of a curved surface that matches the curvature of the handrail 4 is formed instead of the protruding support portion 33. A boss 35 is projectingly provided at the center of the receiving surface 34, and the tip of the boss 35 is brought into contact with the steel pipe 40 of the handrail 4 so that the two can be firmly connected without wobbling. Has been done. 5 to 7 show a case where the handrail 4 is fixed to the wall surface 2 of the bathroom by using the handrail fixing device according to the above-described embodiment. The handrail 4 connects two handrail members 45. The tool 44 is configured to be connected in an L-shape, and both ends thereof and the vicinity of the connection portion of the handrail member 45 are supported and disposed on the wall surface 2. When fixing the handrail 4 to the wall surface 2, the brackets 3 in which the nut members 5 are loosely fitted are mounted at both ends of the handrail 4 and in the vicinity of the bent portion, and the wall surfaces 2 corresponding to the mounting positions of the brackets 3 are The fixed seat 1 is fixed. In order to fix the handrail 4, first, one of the brackets 3 (bracket 3 shown on the right side in FIG. 5) attached to the end of the handrail 4 is fixed to the fixed seat 1 as shown by the solid line in FIG. When mounted on the upper mounting surface 11, the fixing portion 31 of the bracket 3 fits into the mounting surface 11 that is formed in a concave groove shape as shown in FIG. 6B, and falls off. In addition, the temporary holding state in which the rotational movement of the bracket 3, that is, the handrail 4, centering on the contact point between the outward flange 30 of the bracket 3 and the rising wall 10 of the mounting surface 11 is allowed. After that, as shown by the chain line in FIG. 5, when the entire handrail 4 is rotated around the impact contact, the bracket 3 attached to the other end of the handrail 4 and the connector attached near the bent portion. As shown in FIG. 6 (a), the bolts 44 pass over the anchor bolts 20 and are held on the corresponding mounting surfaces 11 of the fixed seats 1. Next, the brackets 3 and one of the handrail members 45 are fixed. The nut member 5 loosely fitted to the end is pulled toward the wall surface 2 side, and the nut member 5 is fixed to the fixed seat 1
When the brackets 3 are sequentially screwed, the outward flanges 30 of the brackets 3 are firmly fixed by being sandwiched between the mounting surface 11 of the fixed seat 1 and the inward flanges 50 of the nut member 5. In this case, as shown in FIG. 6, the rising wall 10 of the fixed seat 1 and the outward flange 30 of the bracket 3 are formed with the inclined surface 6 having substantially the same inclination angle so that they can be moved rotationally. The outward flange 30 of the bracket 3 can be easily positioned on the mounting surface 11 of the fixed seat 1, and the workability can be improved and the inclined surface after the nut member 5 is fastened. Since the six members engage with each other in a rubbing manner, rattling can be completely prevented. Further, by fastening the nut member 5, the mounting surface 11 and the outward flange 30, and the outward flange 30 and the inward flange 50.
Since the and are tightly fastened together, the hermeticity of the inside of the bracket 3 is improved, and the anchor bolt 20 that is housed inside
Also, the corrosion of the nut 21 can be prevented.

【The invention's effect】

As is apparent from the above invention, according to the handrail fixing device of the present invention, the other end of the handrail is moved to a predetermined position while the bracket fixed to one end of the handrail is temporarily held on the fixed seat. Therefore, it is possible to sequentially fix the bracket to the wall surface from one of them and install the handrail, and it is possible to improve workability. Also, since the handrail is fixed to the wall surface in its initial form,
After installation, residual load is not applied to the handrail, bracket, etc., and deformation etc. can be reliably prevented. In addition, since the fixed part to the wall surface is one part of the central part of the fixed seat and is crowned by the bracket, there is no need to separately cover it with a cover member or the like, and the appearance is excellent,
The watertightness in the bracket can be improved and corrosion of the anchor member and the like can be prevented.

[Brief description of drawings]

FIG. 1 is a sectional view showing a state where a handrail is fixed to a wall surface by a handrail fixing device of the present invention, FIG. 2 is a perspective explanatory view showing the disassembled state, and FIG. 3 is an exploded view showing a modified example of the present invention. Fig. 4 is a perspective view showing a fixed state, Fig. 4 is a cross-sectional view showing the fixed state, Fig. 5 is an explanatory view showing a state in which a handrail is installed in the bathroom, and Fig. 6 is an explanatory diagram showing a method for fixing the handrail. FIG. 7 is a perspective explanatory view showing a state where the handrail fixing device according to the present invention is installed on a wall surface, and FIGS. 8 and 9 are explanatory views showing a conventional example. 1 …… Fixed seat 10 …… Standing wall 11 …… Mounting surface 13 …… Core part 2 …… Wall surface 3 …… Bracket 30 …… Outward flange 31 …… Fixed part 34 …… Receiving surface 4 …… Handrail 5 ...... Nut member 50 …… Inward flange 6 …… Inclined surface

Claims (2)

[Claims] 1. A fixing seat having a mounting surface formed in a groove shape by projecting a rising wall on an outer peripheral portion and having a core portion fixed to a wall surface at a center, and an outward facing outward direction. A bracket having a hollow fixing portion at one end, which is mounted on the mounting surface of the fixing seat with a flange protruding, and is fixed to the handrail at the other end, and is loosely fitted to the bracket. Together with the inward flange that abuts the outward flange of the bracket, is formed into a cap nut shape, and has a nut member that is screwed into the fixed seat, and is formed separately from the bracket on the wall surface. The fixed portion of the bracket is mounted on the mounting surface of the fixed seat to be fixed, and the nut member is screwed into the fixed seat to attach the outward flange of the bracket to the mounting surface of the fixed seat and the inside of the nut member. Handrail fixing device characterized by being sandwiched between facing flanges . 2. The handrail fixing device according to claim 1, wherein the inner peripheral portion of the rising wall of the fixed seat and the outer peripheral portion of the outward flange of the bracket are inclined surfaces having substantially equal inclination angles. .