JPH0318574Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a fixing device used for constructing risers of stairs in buildings. Conventionally, to finish the riser surface of a staircase in a building, the steps are usually cleaned, then adhesive is applied, mortar is applied, and after sending it, fixed wood and no-slip are pasted, and then the riser is finished. was.

The present invention is based on the above-mentioned conventional technology, which would normally take 5 days and 8 people to construct a 5-story staircase, including finishing the treads after finishing the risers. Even when panels were used, a great deal of effort and time was required to support the panels. The present invention was devised for the purpose of solving such problems that require a great deal of labor and time, and significantly reducing the number of days and labor involved in constructing risers.

The present invention will be explained below based on the drawings. Reference numeral 1 indicates a left side angle frame formed of L-shaped steel. 2,2
is an extensible and retractable fixed plate which is diagonally stretched between the top edge of the vertical side of the left angle frame 1 and the tip edge of the lateral side of the left side angle frame 1. 3 is the left side angle frame 1
A right side angle frame made of a slightly narrower L-shaped steel is loosely fitted inside the left side angle frame 1 so as to be able to slide in the lateral direction. Numerals 4 and 4 are tightening screws screwed into the telescopic fixing plate 2. Reference numerals 5 and 5 designate plate-shaped horizontal plates that are laterally fixed to the left side angle frame 1 and the right side angle frame 3 in the lateral direction. 6 is left side angle frame 1
This is a left side splicing plate with screw thread 7 attached to the upper side of the vertical surface of the plate. Reference numeral 8 denotes a right-side splicing plate hinged to the upper side of the vertical plane of the right-side angle frame 3 with screws 9. 10
is an upper left side angle frame formed of L-shaped steel fixed to the upper end of the left side joining plate 6, and the horizontal side is attached to the horizontal plate 5.
Turn it to the side and fix it to the left side splicing plate 6 with the vertical plane parallel to the left side splicing plate 6. Reference numerals 11 and 11 designate extensible and retractable fixing plates that are diagonally stretched between the upper end side and the lateral end side of the vertical plane of the upper left side angle frame 10. Reference numeral 12 denotes an upper right angle frame made of L-shaped steel having a width smaller than the upper left angle frame, which is fixed laterally to the upper end of the right side joining plate 8, with the horizontal side facing the horizontal plate 5 side and the vertical side facing the right side. It is fixed in parallel with the joining plate 8 and loosely fitted inside the upper left side angle frame 10 so as to be able to slide in the lateral direction. Reference numerals 13 and 13 indicate angle adjustment columns whose lower ends are pivotally connected to the left and right horizontal plates 5, with a nut 14 at the center, a screw 15 screwed into the nut 14 in the lower half, and an angle fine adjustment shaft 16 in the upper half. are provided for each. Reference numerals 17 and 17 indicate horizontal adjustment knobs that are screwed vertically into the tip end positions of the left and right horizontal plates 5. 1
Numerals 8 and 18 are nail driving holes bored vertically in the left and right horizontal plates 5. Numerals 19 and 19 are tightening screws screwed into the left and right telescopic fixing plates 11.

Since this invention is for such welfare, the function will be described next.
The product of the present invention is placed on the horizontal plane B of the staircase one step below, as shown in Fig. 2, and the concrete nails C are driven into the nail driving holes 18 to secure the upper left side angle frame 10 and the upper right side. The angle frame 12 is tilted toward the horizontal plate 5 side at a position approximately D around the hinge, and the riser surface forming plate E (for example,
After placing the asbestos board) and applying adhesive or mortar F to the riser part and filling the anchor part of the riser surface forming board E with adhesive or mortar G, the upper left side angle frame 10 and the upper right side angle frame 12 After raising the upper end side upward in the direction of the arrow and making it stand obliquely at the angle position approximately on the riser surface, attach the angle adjustment column 1.
3 at an angle, and touch the tips of the left and right angle fine adjustment shafts 16 to the orthogonal inner surfaces of the upper left angle frame 10 and the upper right angle frame 12, respectively, and then tighten the nut 1.
4, the angle adjustment column 13 expands and contracts, and accordingly, the inclination angle of the riser surface forming plate E changes, allowing fine adjustment of the angle. After the fine adjustment of the angle is completed, if a known spindle H, which is attached in advance to the riser surface forming plate E, is fixed with concrete nails I, the riser surface forming plate E will be held accurately at the desired angle, and the mortar As the riser surface is formed with the hardening of F and G, the tread surface can be formed on this surface according to the upper ink line J of the finish. Furthermore, in the present invention, the right side angle frame 3 and the upper right side angle frame 12 each slide in the left and right direction, and the left and right width dimensions can be expanded and contracted by loosening the tightening screw, so that optimal pressing can be achieved depending on the width of the stairs. Width can be set quickly,
Also, adjust the horizontal adjustment knob 1 according to the depressions on the rough surface.
7 stabilizes the installation of the horizontal plate 5, and these actions together make it possible to finely adjust the desired inclination angle for attaching the riser surface forming plate E, thus allowing for quick and reliable attachment. It is now possible to finish one staircase in about 6 minutes compared to the 15 minutes required for mortar finishing.
Moreover, since the finished ivy riser surface is formed from a molded board, it is smooth and beautiful, and can be colored freely, making it a device that can be expected to produce a beautiful riser surface with good work efficiency.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the present invention. FIG. 2 is a longitudinal sectional view showing the state of use of the present invention. 1...Left side angle frame, 2...Extensible fixed plate, 3...Right side angle frame, 4...Tightening screw, 5...Horizontal plate, 6
...Left side joining plate, 7...Hinge, 8...Right side joining plate, 9...
Hinge, 10... Upper left angle frame, 11... Telescopic fixing plate, 12... Upper right angle frame, 13... Angle adjustment column, 14... Nut, 15... Screw, 16... Angle fine adjustment shaft, 17... Horizontal adjustment knob, 18 ...Nail driving hole, 19...Tightening screw, A...Stairs, B...Horizontal surface,
C...Concrete nail, D...Position, E...Riser surface forming board, F...Adhesive, G...Adhesive, H...Spindle,
I... Concrete nails, J... Doma finishing ink line.

Claims (1)

[Scope of utility model registration request] An upper left side angle frame 10 and an upper right side angle frame 12 are provided above the left side angle frame 1 and the right side angle frame 3, which are tilted back and forth via hinges and are slidingly expanded and contracted in the left and right direction, and are provided on the left side. The lower end of the angle adjustment column 13 is pivoted to the horizontal plate 5 that is fixed laterally to the angle frame 1 and the right angle frame 3, and the tip of the angle adjustment column 13 is attached diagonally upward to the left angle frame 1 and the right angle frame 3. A stair riser face plate fixing device, characterized in that it abuts in the direction and supports and adjusts the inclination angle of a left side angle frame 1 and a right side angle frame 3.