JP3196175B2 - Vertical control device for riser - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical adjusting device for a riser pipe used in plumbing work, and more particularly, to a pipe for drainage riser pipe from under the floor of a building, the work experience is small. Even workers can easily mount riser pipes such as steel pipes or vinyl pipes in an accurate vertical state, significantly improving work efficiency and thus shortening the construction period. The present invention relates to a vertical adjusting device for a pipe.

[0002]

2. Description of the Related Art Generally, as a foundation for supporting a comfortable living environment, a sewerage facility for draining unnecessary water from a building is being developed. First, a drain pipe connected to the sewerage facility is pierced from below the floor, penetrating the dirt concrete, piped upright, and then filling the gap with the dirt concrete with mortar, then finishing the upper surface of the dirt concrete with finishing mortar I have. It is necessary to ensure that the drainage hardware attached to the upper end of the riser is flush with the finished surface of the mortar. It is important in doing.

In the case of drainage pipes requiring waterproof treatment on the second floor or higher, a drainage fitting is attached to the upper end of a riser pipe that penetrates slab concrete, and a waterproof body is laid on the surface of the slab concrete. Has a mortar finish. At this time, the slope from the reference position on the building wall to the upper surface of the drainage hardware is finished as a slope, but in order to make the slope accurate, the riser was first plumbed vertically and then attached to the riser. It is important that the upper and lower positions of the drainage hardware fall within a predetermined height with respect to the reference position in advance.

[0004] In addition, various types of such risers having different diameters depending on working conditions are used.
Since the riser pipe was relied on intuition, the workability to achieve high-accuracy fitting was poor, and the verticality of the riser pipe was incorrectly wrong, or the vertical position of the drainage hardware attached to the riser pipe If it does not fit within the specified height, it will be necessary to start over after finishing the floor surface, and it will not be possible to make the work more troublesome, the construction period will be prolonged and the reliability of construction will be impaired There was fear.

[0005]

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention has been created based on a completely new concept in order to solve the conventional problems. It is necessary to easily detect the verticality of the pipe so that the pipe can be piped in an accurate vertical shape.Also, the vertical position of the drainage hardware attached to the riser must be set to a predetermined height beforehand with respect to the reference position on the wall. As a result, not only skilled technicians, but also inexperienced workers can pipe the pipes in a highly accurate fitting state, and the reliability of the construction can be secured in conjunction with the shortening of the construction period. It is an object of the present invention to provide a riser vertical adjustment device.

[0006]

The technical means adopted by the present invention to achieve the above object is to dispose a level at the center of the upper surface side of a disk-shaped base. , A horizontal detector with the lower surface as the horizontal reference plane, and a disk-shaped plate
The outer peripheral edge of the horizontal detection body is formed by a vertically protruding connecting portion that can be fitted to the outer peripheral surface of the upper end portion of the riser pipe. a concave portion is provided to freely fitted removably to the convex portion protruding formed on the upper surface center portion of the body, while being polymerized and the connecting member and the horizontal detector fitted a recess in the convex portion, the coupling body Rises the inner peripheral surface of the fitting part
When fitted to the outer peripheral surface of the upper end of the rising pipe,
Is configured to be orthogonal to the horizontal reference plane of the horizontal detector,
The verticality of the riser can be detected and adjusted by the display of a level, and the connecting piece is fitted on the outer periphery of the upper end in accordance with a change in the outer diameter of the riser. The horizontal detector is further provided with an optical sensor or a laser beam generator for detecting the vertical position of the riser in accordance with a reference position on a side surface of the horizontal detector. Things.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described in detail below with reference to the preferred embodiments shown in the drawings. First, in FIGS. 1 and 2, reference numeral 1 denotes a horizontal detector, and a base 2 of the horizontal detector 1 is formed in a disk shape by using a metal such as iron or aluminum or a synthetic resin. The base 2
In the upper surface 3, a bubble-type circular level 5 is provided in a concave portion 4 formed in the center thereof. When the lower surface of the base 2 is formed in an accurate planar shape and the position of the bubble 6 displayed by the level 5 is aligned with the center of the level mark 7, the lower surface of the base 2 detects the horizontal level. It is configured so that Further, a space a for reducing the weight is formed in the base 2. 9 is an error correcting screw of the level 5. In addition, in order to reduce the weight of the substrate 2 while maintaining sufficient strength, an aluminum material is more preferable than a material made of iron or a synthetic resin.

The horizontal detector 1 has a horizontal reference.
A recess 10 in which a female screw is engraved in the center on the lower surface side to be the surface 8
Is formed, so that the connecting body 11 can be detachably attached to the concave portion 10. That is, as shown in FIGS. 3 and 4, the connecting body 11 is formed of a disk-shaped plate-like body 12, and a fitting portion which can be fitted on an outer circumferential surface of an upper end portion of the rising pipe 13 is provided on an outer peripheral edge thereof. 14 is formed to project vertically downward. In the center of the upper surface side of the connecting body 11,
A convex portion 15 formed with a male screw screwed into the concave portion 10 of the horizontal detector 1 is formed so that the connecting body 11 can be attached to and detached from the horizontal detector 1 in a superposed manner.

Then , with the concave portion 10 screwed into the convex portion 15 and the horizontal detector 1 superposed on the connecting body 11, the inner peripheral surface of the fitting portion 14 of the connecting body 11 When it is fitted to the outer peripheral surface of the upper end of the
It is configured to be orthogonal to the flat reference plane. Therefore, if the attitude of the rising pipe 13 is corrected so that the bubble 6 of the level 5 is aligned with the center of the level mark 7, the rising pipe 13 can be accurately made vertical. In addition, the concave portion 10 of the horizontal detector 1 and the convex portion 15 of the connecting body 11 may be detachably formed by fitting holes and fitting protrusions that have been accurately finished.

A plurality of the connecting members 11 may be prepared in accordance with the type of the riser to be used, and may be selectively used according to the outer diameter of the riser. The fitting piece that fits into a riser pipe having a different diameter can be attached to and detached from the inside of the fitting portion 14. That is, as shown in FIG. 5 to FIG. 6, a plurality of fitting pieces 16 having different diameters formed in a ring shape are provided, and the fitting portions 17 are formed on the fitting pieces 16 respectively. By forming a plurality of mounting grooves 18 corresponding to the mounting portions 17 on a concentric circle, a fitting piece 16 having a desired diameter can be mounted according to the riser pipe 13 to be used.

Therefore, the connector 11 can be formed according to the change of the riser pipe 13 only by replacing the fitting piece 16 by detaching and attaching. Reference numeral 19 denotes a leaf spring for securely fitting the riser tube. By providing the mounting portion 17 and the mounting groove 18 at the vertices of an equilateral triangle in plan view, the fitting piece 16 is securely supported without reducing the strength of the connector 11 as much as possible. can do.

In addition, in accordance with the standard dimensions of the riser pipe, the connecting piece 11 having the inner diameter of the fitting portion 14 of 140 mm and the fitting pieces 16 having the inner diameters of 89 mm and 60 mm are made detachable. By preparing two types of large and small coupling bodies having a fitting part 14 having an inner diameter of 114 mm and a fitting piece 16 having an inner diameter of 76 mm and 48 mm being detachable, piping work can be performed. The convenience is improved from the actual situation, which is more convenient.

FIG. 8 and FIG. 9 show an arrangement in which an optical sensor or a laser beam generator 20 for detecting the vertical position of the riser is provided on the side surface of the horizontal detector 1. The optical sensor or laser beam generator 20 is a well-known type that emits a light beam. An iron supporting portion 21 is provided at a base end thereof, and a mounting surface 22 made of a magnet is provided on a side surface of the horizontal detector 1. Are provided, and the support portion 21 is provided on the mounting surface 22.
The optical sensor or the laser beam generator 20 magnetized by (1) emits a light beam in the horizontal direction. The mounting surface 22 is provided with a scale 23 for indicating the height from the horizontal reference surface 8 to the optical sensor or the laser beam generator 20. The support portion 21 may be a magnet, or a dovetail groove may be provided in place of the mounting surface 22 so that the support portion 21 can be fixed to the dovetail groove by a fixing screw.

Since the present invention is constructed as described above, when constructing a drainage pipe on the first floor, as shown in FIG.
If the fitting portion 14 of the connector 11 is fitted to the outer peripheral surface of the upper end of the riser 13, the horizontal reference surface 8 of the horizontal detector 1 becomes orthogonal to the axial direction of the riser 13. If the attitude of the riser pipe 13 is corrected so that the bubble 6 of the level 5 provided on the detector 1 is aligned with the center of the level mark 7, the riser pipe 13 can be accurately made vertical. Then, the gap between the riser pipe 13 and the interstitial concrete 24 is filled with mortar 25, and the riser pipe 1 is placed at the position of the finished surface of the finish mortar 26.
By cutting the 3 and attaching the exposed drainage metal fitting 27, the riser pipe 13 can be brought into an appropriate state.

When the cleaning port is of an embedded type, FIG.
As shown in the figure, a steel pipe is set up by penetrating the interstitial concrete 24, and the rising pipe 13 is made to have an accurate vertical shape by the same operation as described above. Screw. In this state, it is necessary to make the upper surface of the drainage hardware 28 the same as the finished surface of the finishing mortar 26 in advance, but according to the present invention,
First, the connector 11 is removed from the horizontal detector 1, and the optical sensor or the laser beam generator 20 is adjusted to the position of the horizontal reference plane 8 of the horizontal detector 1. Then, the horizontal detector 1 is placed on the drainage hardware 28, and then the drainage hardware 28 is raised so that the light beam of the optical sensor or the laser beam generator 20 matches the reference position P on the wall A of the building frame. By screwing along the pipe 13, the upper surface of the drainage hardware 28 can easily be made identical to the finished surface of the finishing mortar 26 in advance.

The use of steel pipes is required by the Fire Service Law for pipes on the second floor and above that require waterproofing. In this case, as shown in FIG. And riser 13
Is formed in the correct vertical shape by the same operation as described above, and an embedded floor drainage metal fitting 30 is screwed to the upper end of the cut riser 13.
And when laying the waterproof body 31 on the slab concrete 29 and finishing the upper surface with the finishing mortar 32,
In order to make an accurate gradient, it is necessary to lower the upper surface position of the floor drainage hardware 30 by a predetermined gradient difference h in advance,
In the past, this adjustment was cumbersome.

However, according to the present invention, first, the connector 11 is removed from the horizontal detector 1 and the optical sensor or the laser beam generator 20 is adjusted to a position higher by the gradient difference h from the horizontal reference plane 8 of the horizontal detector 1. Keep it. Then, the horizontal detector 1 is placed on the drainage hardware 30, and then the floor drainage hardware 30 is raised so that the light beam of the optical sensor or the laser beam generator 20 coincides with the reference position P on the wall A. If it is screwed along the floor drainage hardware 30 easily
Can be previously lowered from the reference position a by a predetermined gradient difference h. Therefore, only by placing the finishing mortar 32 from the reference position P over the upper surface of the floor drainage hardware 30, the finishing mortar 32 can be easily set in an appropriate state with an accurate gradient. In this way, the water on the floor can be smoothly drained, and the finish mortar 32
The water permeating the floor is blocked by the waterproof body 31 and the floor drainage hardware 30
Can be drained to the side.

When riser pipes having different diameters are used depending on working conditions, if fitting pieces 16 corresponding to the outer diameter of riser pipe 13 are attached to connecting body 11, work can be performed efficiently using the same device. be able to.

[0019]

As is apparent from the above description, according to the present invention, the horizontal detecting body is superimposed on the connecting body, and the fitting portion is formed on the connecting body and projects vertically downward. Is fitted around the upper end of the riser,
Since the axis direction of the is perpendicular to the horizontal reference plane of the horizontal detector, if the posture of the riser is adjusted so that the horizontal reference plane is horizontal while viewing the display of the level provided on the horizontal detector,
The riser can be precisely vertical. In addition, since the fitting piece corresponding to the outer diameter of the riser can be attached to and detached from the connecting body, even when a riser having a different diameter is used, the piping work can be performed easily and efficiently.

Since the vertical position of the riser can also be accurately detected by an optical sensor or a laser beam generator provided on the horizontal detector, it is not necessary to rely on intuition as in the prior art when piping the riser. Even inexperienced workers can perform piping with a high-accuracy settled state, thereby shortening the construction period and ensuring the reliability of construction.

[Brief description of the drawings]

FIG. 1 is a plan view of a horizontal detector.

FIG. 2 is a vertical sectional side view of the same.

FIG. 3 is a plan view of the connector.

FIG. 4 is a vertical sectional side view of the same.

FIG. 5 is a plan view of a connection body in which a fitting piece can be attached and detached.

FIG. 6 is a vertical sectional side view of the same.

FIG. 7 is a side view showing a state in which a riser pipe is installed.

FIG. 8 is a side view showing another piping construction state.

FIG. 9 is a side view showing still another piping construction state.

[Description of Signs] 1 Horizontal detector 2 Base 3 Upper surface 4 Recess 5 Level 6 Bubble 7 Mark 8 Horizontal reference plane 9 Error correction screw 10 Recess of horizontal detector 11 Connector 12 Plate 13 Rise pipe 14 Fitting part DESCRIPTION OF SYMBOLS 15 Convex part of connecting body 16 Fitting piece 17 Mounting part 18 Mounting groove 19 Leaf spring 20 Optical sensor or laser beam generator 21 Support part 22 Mounting surface 23 Scale 24 Soil concrete 25 Mortar 26 Finishing mortar 27 Drainage hardware 28 Drainage hardware 29 Slab Concrete 30 Floor drainage hardware 31 Waterproof body 32 Finishing mortar

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields investigated (Int. Cl. ⁷ , DB name) E03C 1/00-1/02 E03C 1/12-1/122 F16L 1/00 G01C 9/00 G01C 15 / 00

Claims (3)

(57) [Claims] 1. A level detector is provided at the center of the upper surface of a disk-shaped base, and a horizontal detector having a lower surface serving as a horizontal reference plane and an outer peripheral edge of a disk-shaped plate are provided. , The fitting part that can be fitted to the outer peripheral surface at the upper end of the riser pipe is vertically directed downward.
Jo to consists of a protruding the connecting member, above the horizontal detector center lower surface of a concave portion is provided to be fitted detachably to the protrusion center portion is protruded on the upper surface side of the connector, the projecting Part
In a state where the concave body is fitted and the connected body and the horizontal detection body are superimposed, the inner peripheral surface of the fitting portion of the connected body is attached to the outer peripheral surface of the upper end of the riser pipe.
When fitted, the direction of the axis of the riser is
A riser vertical adjustment device , which is configured so as to be orthogonal to a reference plane so that the verticality of the riser can be detected and adjusted by a level indicator. 2. The riser pipe according to claim 1, wherein a fitting piece fitted on an outer periphery of an upper end portion in accordance with a change in an outer diameter of the riser pipe is detachably provided on the connecting body. Vertical adjustment device. 3. The riser pipe according to claim 1, wherein an optical sensor or a laser beam generator for detecting a vertical position of the riser pipe in accordance with a reference position is provided on a side surface of the horizontal detector. Vertical adjustment device.