JP3873189B2 - Floor concrete level adjuster - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a floor concrete level adjuster.
[0002]
[Prior art]
Conventionally, in the construction of reinforced concrete buildings, it was necessary to finish the slab surface to a horizontal plane at a predetermined position when placing concrete.
[0003]
Before placing, place reinforcing bars on the upper surface of the floor formwork, measure it with a leveling instrument at the required place of the extension, mark it, or put a concrete block of a predetermined height on the slab surface Or a jig having a predetermined height is fixed with a nail or the like and protruded.
[0004]
However, when placing concrete, an operator may accidentally kick a concrete lump or a jig having a predetermined height, which is difficult to see. Furthermore, the locking arm locks the assembled rebar from below, making it difficult to set, and when the worker steps on the assembled rebar at the location locked by this locking arm, the assembled rebar will bend downward. As a result of falling to the bottom and touching the bottom of the locking arm, the level adjuster tilts or breaks, and there is a disadvantage that it is not useful.
[0005]
Furthermore, since this adjuster is buried in the concrete, when the concrete is cast and cured, the nail protrudes from the concrete when the floor formwork is removed, and this protrusion is cut. However, there was a drawback that the ceiling surface became dirty due to moisture and the like.
[0006]
[Problems to be solved by the invention]
Therefore, in order to eliminate and solve the above-mentioned drawbacks, the present invention locks the main body at the location of the crossed reinforcing bars with a locking holder before placing the concrete, and recognizes and adjusts the level surface. It is a level adjuster consisting of a display board, and it can be firmly fixed by locking the reinforcing bars assembled to the lock holder part from above, and it can be held vertically. Level adjustment tool for floor concrete that can be finely adjusted, has no errors, can be checked again after placement, is easy to see, can alert the operator, and does not stain the ceiling surface due to rust Are developed and adjusted.
[0007]
[Means for Solving the Problems]
The present invention relates to a level adjuster comprising a level display plate which is capable of recognizing a level surface by locking a main body at a crossed reinforcing bar location by a locking holder, and which is adjustable in the vertical direction of the main body. A locking holder for locking at the crossed reinforcing bars is provided at the central left and right parts, and the locking holder is composed of a lower holding member and an upper opening / closing fixing member, and a flexible member such as plastic. It is composed of a floor concrete level adjuster configured by providing a predetermined width to the outer dimension of the locking member.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
1 and 2, the level display plate (2) is connected to the center of the main body (1), and the locking holders (3) and (4) are connected to the left and right portions. A level adjuster composed of a level display plate (2) that can be provided and can be engaged with the main body (1) at the location of the crossed reinforcing bars (B1) (B2) to recognize the level surface (F) and to be adjusted. The main body (1) is provided with locking holders (3) and (4), which are locked at the positions of the crossed reinforcing bars (B1) and (B2), at the left and right central portions in the vertical direction. It consists of leveling tools for floor concrete.
[0009]
In addition, the locking positions of the two left and right locking holders (3) and (4) are provided at intervals of a predetermined dimension (X) in the vertical direction, and at intervals of a predetermined dimension (Y) in the horizontal direction. Three points are provided, and each locking holder is composed of a lower holding member (3a) (4a) and an upper opening / closing type fixing member (3b) (4b), and a flexible member such as plastic is used. The floor concrete level adjuster according to claim 1, characterized in that a predetermined width is provided in the outer dimensions of the reinforcing bar members (B1) (B2) by locking with a support type. It is.
[0010]
In addition, the retaining holders (3) and (4) used in the present invention can use any of the reinforcing bar members (B1) and (B2) whose outer dimensions are from φ10 mm to φ16 mm.
[0011]
Also, connecting members (3a ′) and (4a ′) are provided on the inner lateral portions of the left and right locking holders (3) and (4), and a connecting member (1e) is also provided on the lower portion so that crossed reinforcing bars ( The level adjuster for floor surface concrete according to claim 1, wherein both are connected and fixed when locked at a location of B1) and (B2).
[0012]
Next, the method of using the present invention will be described with reference to FIGS. 3 to 4. Before placing the concrete, the main body (1) is set so that the locking angle of the locking holders (3) and (4) is a right angle (90 degrees). The lower connecting portion (1a) of FIG. 4B is bent as shown in FIG. 4 (B), and the reinforcing bars (B1) (B2) crossing in the horizontal direction are locked to the locking holders (3) and (4). Hold the knob part (3b ') (4b') of the openable fixing member (3b) (4b) on the upper part of the locking holder and remove the key part (3c) (4c). After laying the lower reinforcing bar (B2), the upper reinforcing bar (B1) is laid, and finally, the open / close-type fixing members (3b) and (4b) are closed to the original state to fix the key portions (3c) and (4c).
[0013]
Next, the upper connecting members (3a ′) and (4a ′) are hooked and connected to each other, and the holes at the center and the tip of the lower connecting member (1e) are fitted into the fixing members (1c) and (1d) of the main body. Insert and fix.
[0014]
Once several level adjusters are locked in place in the above manner, this time the handle (2a) of each level display plate (2) is moved to the right or right to match the level of the concrete thickness. Rotate counterclockwise so that the mating surface (F) of the display panel is at the concrete height level (H).
[0015]
After the level adjustment is finished, the concrete is placed, and after a certain amount of time has passed, the concrete is not solidified, and the handle (2a) of the level display plate (2) is pressed downward to be stored in the concrete and cannot be seen. Like that.
[0016]
The level adjustment handle (2a) is necessary to clearly indicate the mounting position of the level adjustment tool when placing concrete, and is left as it is without bending until the concrete placement is completed and hardened to some extent. deep.
[0017]
【The invention's effect】
According to the present invention, the level adjuster is locked to the crossed reinforcing bars (B1) and (B2) by the locking supports (3) and (4), and the upper and lower connecting members (3a ′), (4a ′) and (1e) are locked. By fixing and adjusting the level display plate (2) to a specified concrete height level (H), it becomes a standard for judging the driving depth when pouring concrete.
[0018]
In addition, the level adjuster is locked to the crossed reinforcing bars (B1) and (B2) by the locking supports (3) and (4), and fixed by the upper and lower connecting members (3a ′), (4a ′) and (1e). Thus, when placing concrete, it is possible to eliminate the worry of hooking a hose or the like to knock down or defeat the level display plate (2).
[0019]
Furthermore, it is possible to provide a predetermined width to the external dimensions of the reinforcing bar members (B1) and (B2) by locking the locking supports (3) and (4) with a three-point support type using a flexible member such as plastic. I made it.
[0020]
In addition, by forming this level adjuster using a resin material such as plastic, there is no need to worry about soiling the ceiling surface due to corrosion, etc. after placing concrete, and extremely beneficial effects such as excellent rust prevention effect. It plays.
[Brief description of the drawings]
1A and 1B show an embodiment of the present invention, in which FIG. 1A is a plan view and FIG.
2A and 2B show an embodiment of the present invention, in which FIG. 2A is a left side view and FIG. 2B is a right side view.
FIGS. 3A and 3B show a state of use of the present invention, in which FIG. 3A is a plan view and FIG. 3B is a front view.
4A and 4B are diagrams showing a use state of the present invention, in which FIG. 3A is a view taken along the line aa in FIG. 3B, FIG. 4B is a view taken along the line bb, and FIG. It is an arrow view.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 1a Lower connection part 1b of main body Adjustment screw (male screw) part 1c Fixing member 1d Fixing member 1e Connection member 2 Level display board 2a Handle 2b Adjustment screw (female screw) part 3 Locking holder 3a Holding member 3a 'Connecting member 3b Opening and closing Type fixing member 3b 'Knob 3c Key part 4 Locking holder 4a Holding member 4a' Connecting member 4b Opening and closing type fixing member 4b 'Knob 4c Key part B1 Large diameter reinforcing bar material B2 Small diameter reinforcing bar material X Vertical predetermined dimension interval Y Left and right predetermined dimension interval H Height between reinforcing bar and level surface F Level surface

Claims (2)

The level display plate (2) is connected to the central portion of the main body (1) and the locking holders (3) and (4) are connected to the left and right portions, and the main body (1) is located at the crossed reinforcing bars (B1) and (B2). In the level adjuster comprising the level display plate (2) which recognizes the level surface (F) and can be adjusted , the locking positions of the locking holders (3) and (4) at the two left and right positions are Each is provided with an interval of a predetermined dimension (X) in the vertical direction, and is provided with an interval of a predetermined dimension (Y) in the left-right direction, and each locking holder (3) (4) is held at the lower part. Reinforcing bar member (B1) which is composed of members (3a) and (4a) and upper open / close fixing members (3b) and (4b), and is locked by a three-point support type using a flexible member such as plastic. Level adjustment of floor concrete, characterized in that a predetermined width is provided for the outer dimensions of (B2) Ingredients. The level display plate (2) is connected to the central portion of the main body (1) and the locking holders (3) and (4) are connected to the left and right portions, and the main body (1) is located at the crossed reinforcing bars (B1) and (B2). In the level adjuster comprising the level display plate (2) which can recognize the level surface (F) and can be adjusted, the inner side portion of the lock holders (3) and (4) at the two left and right positions When connecting members (3a ′) and (4a ′) are provided, and a connecting member (1e) is also provided at the lower part of the main body and locked to the crossed reinforcing bars (B1) and (B2), both are connected, and A floor concrete level adjuster characterized by being fixed .

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