JP2696479B2 - Level support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a level support suitable for mounting a level for measuring the height of a floor or the like at a construction site such as a steel frame construction.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 12, a level support is provided with a clamp 22 on one side of a support frame 21 and an operation knob 23 on the other side capable of stopping and rotating. A rotating rod 24 provided with a level mounting plate 25 attached to the tip of the rotating rod 24 is known from Japanese Utility Model Application No. 55-156825 (Japanese Utility Model Application Laid-Open No. 57-7971).
No. 2)).

[0003] Conventionally, as shown in FIG. 13, there is known a level support in which the support 26 is attached to a steel frame by electromagnets 27, 27 provided on the support 26. No. 62-66373 (Japanese Utility Model Laid-Open No. 63-17)
No. 2910).

[0004]

In the level support shown in FIG. 12, a clamp 22 is provided on one side of a support frame 21 and an operation knob for stopping and rotating the other side. A rotating rod 24 having a portion 23;
When the level mounting plate 25 is mounted on the tip of the rotating rod 24, the clamp 22 for mounting on the mounting portion has a complicated means for mounting and cannot be easily mounted on a steel frame at a construction site. Further, since the structure of the operation knob 25 for moving and fixing the rotating rod 24 is a tightening bolt and a nut, the operation cannot be performed with one hand, and further, the rotating operation of the rotating rod 24 is desired. There was a drawback in that it could not be finely stopped by stopping at the position, and the position of the level mounting plate 25 could not be adjusted in accordance with the level.

Further, in the level support shown in FIG. 13, the support 26 is attached to the steel frame by the electromagnets 27, 27 provided on the support 26, since the attachment of the electromagnets 27, 27 is horizontal. The attachment to the steel frame is not performed firmly, and a heavy and large one cannot be attached with a spirit level.
If the magnetic force of the electromagnets 27, 27 is increased to further firmly attach, the force for removing the electromagnets 27, 27 increases, and the
There is a possibility that the scaffold may be stepped off at the time of removal, the attachment and detachment with the steel frame cannot be easily performed , and the support 26 cannot be moved in the horizontal direction and the mounting position of the level cannot be adjusted. There were drawbacks.

The present invention has been made to solve the above-mentioned problems, and can be easily attached to and detached from a steel frame, and can be fixed in a horizontal direction with one hand. It is an object of the present invention to provide a level support that can be easily and safely mounted, has a simple horizontal adjustment, and can be used at a position suitable for surveying.

[0007]

In order to achieve the above-mentioned object, the present invention provides a magnetic recording medium comprising: Magnet body 4, 4 capable of non-generation and generation of
Are provided in parallel in the up and down direction, and in front of the support frame 1, there is provided a rotating rod 7 which is rotatably moved in the horizontal direction via a shaft 6, and stops the movement of the rotating rod 7 above the shaft 6. the operating knob 5 can be performed by the operation of one finger is provided, water together with further the tip of the rotation bar 7, to project a level mounting shaft 11 to the upper portion surface
A level mounting plate 9 having an operation knob shaft 8 for rotating the level mounting shaft 11 protruding from a lower portion of the back surface is mounted.

[0008]

EXAMPLES The following drawings will be described embodiments of the present invention, FIGS. 1 to 7 are those that tanning shows the first embodiment, towards after the support frame 1, the opening and closing of the operating switches 2,2 Strong magnets 4, 4 capable of generating and not generating a magnetic force of the magnetic surfaces 3, 3 directed to the back surface based on the above are provided vertically in parallel. Further, in front of the support frame 1, there is provided a pivoting rod 7 that pivotally moves in the horizontal direction via a shaft 6, and the movement of the pivoting rod 7 is stopped above the shaft 6 by operating one fingertip. An operation knob 5 that can be operated is provided. Further the tip of the rotation bar 7, Level attachment shaft can be attached to level 10 and screwed into the mounting screw hole 12 of the level 10 1
1 in which is mounted a level mounting plate 9 of the operation knob shaft 8 which rotates a level mounting shaft 11 projecting from the rear surface lower while projecting from the upper surface. Further, a downwardly inclined reinforcing rod 13 connected to the shaft part 6 is mounted below the rotating rod 7. As shown in FIGS. 6 and 7, when attaching to the steel frame 14, the operation switches 2, 2
Is closed, a magnetic force is generated on the magnetic surfaces 3 and 3 and the steel frame 14 is closed.
When the operation switches 2 and 2 are opened by operating the operation switch 2, the magnetic force of the magnetic surfaces 3 and 3 disappears, and the magnetic surfaces 3 and 3 are removed from the surface of the steel frame 14. The magnetic surfaces 3, 3 are separated.

[0009] Matazu 8 to 11 are those which tanning shows the second embodiment, towards after the support frame 1, the operation switch 2,2
A strong magnet body 4, 4 capable of generating and not generating a magnetic force of the magnetic surfaces 3, 3 directed to the rear surface based on the opening and closing of the magnet is provided vertically in parallel. Also, in front of the support frame 1,
An operation knob 5 is provided on the upper part of the shaft 6 so that the operation of the rotation rod 7 can be stopped by operating one fingertip. It is provided. Further, a mounting screw hole 1 of a level 10 is
Level that can be attached to level 2 by screwing into level 2
Vessel mounting shaft 11 in which is mounted a level mounting plate 9 of the operation knob shaft 8 which rotates protruding from the rear surface lower a level mounting shaft 11 as well as projecting from the upper surface. Further, an upwardly inclined reinforcing rod 15 connected to the shaft part 6 is attached to the upper part of the rotating rod 7. Also, as shown in FIG. 11, when the operation switches 2 and 2 are closed by operating the operation switch 2 when attaching to the steel frame 14, a magnetic force is generated on the magnetic surfaces 3 and 3 and the magnetic surface 3 is formed on the surface of the steel frame 14. When the operation switches 2 and 2 are opened by operating the operation switch 2, the magnetic force of the magnetic surfaces 3 and 3 disappears, and the magnetic surfaces 3 and 3 become higher than the surface of the steel frame 14. Is to leave.

When the surveying is performed in the vicinity of the floor 16, the level of the level can be lowered by using the one shown in the second embodiment as shown in FIG. 11. is there.

[0011]

The present invention is constructed as described above, and the magnetic surfaces 3, 3 of the strong magnets 4, 4 provided behind the support frame 1 are shown in FIGS. 6, 7, and 11. As described above, by magnetically attaching to the steel frame 14 and attaching the level 10 to the level mounting plate 9, it is possible to perform surveying at a construction site such as steel frame construction.

In addition, the level mounting plate 9 is provided with a rotating rod 7 which is rotatably moved in the horizontal direction via a shaft 6 in front of the support frame 1. An operation knob 5 for stopping the movement of one of the fingers 7 is provided, and a level mounting plate 9 is attached to the tip of the rotating rod 7 so that the rotating rod 7 can be moved with one fingertip. Since the pivot 6 can be rotated about the fulcrum and the operation of the operation knob 5 can be stopped by operating one fingertip to stop the movement of the pivoting rod 7, the level mounting plate at a high place of the assembled steel frame 14 can be obtained. 9 can be easily moved in the horizontal direction, and the survey can be safely performed.

[0013] The spirit level mounting plate 9, spirit level mounting which is possible to attach the level 10 and screwed into the mounting screw hole 12 which is provided in the water <br/> level vessel 10, which is commercially available can Shaft 11 on the surface
The mounting screw holes 12 of the level mounting shaft 11 level 10 pivots by connexion operation knob shaft 8 that the operation knob shaft 8 which rotates protruding from the rear surface lower portion as well as projecting upward portion Mounting shaft 11
To prevent the level 10 from dropping off the level mounting plate 9.

The strong magnets 4, 4 attached to the rear of the support frame 1 are mounted vertically in parallel, so that the weight of the level mounting plate 9 and the level 10 attached to the tip of the rotating rod 7 is weighted. Even if it is engaged, detachment of the strong magnet bodies 4 from the steel frame 14 is prevented as much as possible.

On the back of the strong magnets 4, 4 attached to the back of the support frame 1, there are provided magnetic surfaces 3, 3 capable of generating and not generating a magnetic force based on the opening and closing of the operation switches 2, 2. As a result, when the operation switches 2 and 2 are closed by operating the operation switch 2 when attaching to the steel frame 14, a magnetic force is generated on the magnetic surfaces 3 and 3, and the magnetic surfaces 3 and 3 are strongly applied to the surface of the steel frame 14. attached is intended, and removed in those magnetic surface 3,3 from the surface of the magnetic force disappears steel 14 of the operation switch 2,2 by operating the operation switch 2 "open" Tosureba magnetic surface 3,3 is disengaged Sometimes a large force is not needed,
Construction without stepping off the scaffold as in the past with motion
Field installation withdrawal of the steel frame 14 in the in scaffold bad place to the one in which the attachment and detachment operation I Easy der safety quickly performed it can be.

Further, it has a simple structure, is easy to manufacture, and has many industrial effects such as being able to be provided at low cost.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment.

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

FIG. 3 is a side view of the first embodiment.

FIG. 4 is a rear view of the first embodiment.

FIG. 5 is a partially enlarged view of a use state.

FIG. 6 is a side view of a use state in the first embodiment.

FIG. 7 is a plan view of the use state in the first embodiment.

FIG. 8 is a perspective view of a second embodiment.

FIG. 9 is a front view of the second embodiment.

FIG. 10 is a side view of the second embodiment.

FIG. 11 is a side view of the use state of the second embodiment.

FIG. 12 is an explanatory diagram of a conventional example. .

FIG. 13 is an explanatory diagram of a conventional example.

[Name of code]

 DESCRIPTION OF SYMBOLS 1 Support frame body 2 Operation switch 3 Magnetic surface 4 Strong magnet body 5 Operation knob 6 Shaft 7 Rotating rod 8 Operation knob shaft 9 Level mounting plate 10 Level 11 Level mounting shaft 12 Mounting screw hole 13 Lower part Inclined reinforcing rod 14 Steel frame 15 Upward inclined reinforcing rod 16 Floor surface

Claims (1)

(57) [Claims] An operation switch (2) is provided behind a support frame (1).
Strong magnets 4, 4 capable of generating and not generating a magnetic force of the magnetic surfaces 3, 3 directed to the rear surface based on the opening and closing of the shaft, are provided in parallel up and down, and a shaft 6 is provided in front of the support frame 1. A pivoting rod 7 that pivots in the horizontal direction is provided through the control unit, and an operation knob 5 is provided above the shaft 6 so that the rotation of the pivoting rod 7 can be stopped by operating one fingertip. At the tip of the rotating rod 7,
That the operating knob shaft 8 which rotates the <br/> with axis 11 preparative spirit level mounted a level mounting plate 9 projecting from the rear surface lower while projecting a level mounting shaft 11 to the upper portion surface A level support.