JPH082314Y2 - Scraping tool - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] The present invention is a scraper for removing deposits such as concrete, paint, and sprayed outer wall materials attached to pipe materials and round bar materials used for construction, concrete formwork of civil engineering, or scaffolding. It is about a drop tool.

[0002]

2. Description of the Related Art As a conventional technique, SAIkaihei 1-82243
No., namely that shown in FIG. In FIG. 7, reference numeral 1 denotes a scraping tool, and a gutter-shaped blade 3 curved around the longitudinal axis of the handle 2 is projected and fixed to the tip of the elongated handle 2 toward the tip. A blade portion 4 having an arcuate cross section is formed at the tip of the pipe 3, and the blade portion 4 is brought into contact with the peripheral surface of the pipe 5 (non-scraped material) to scrape off the adhered matter adhering to the peripheral surface of the pipe 5. There was something I did.

[0003]

In the above-mentioned conventional device, when scraping off the adhered matter on the peripheral surface of the pipe 5, the inclination angle α of the handle 2 with respect to the pipe 5, that is, the contact angle of the blade portion 4 changes. If the inclination angle α becomes larger than a predetermined value, only the center of the blade portion 4 makes point contact with the pipe 5, and if the inclination angle α becomes smaller than the predetermined value, the blade portion 4 becomes smaller.
The corners of both ends of the pipe make point contact with the pipe 5, resulting in poor work efficiency and damage to the surface of the pipe 5. Furthermore, since the blade 5 is attached only to the tip side of the handle 1, the blade 5 is scraped off only during one of the reciprocating movements. Therefore, the above-mentioned conventional ones have a drawback that the scraping work requires skill and the working efficiency is lowered. An object of the present invention is to obtain a novel scraping tool that solves the above drawbacks.

[0004]

Means for Solving the Problems The present invention is configured as follows in order to solve the above-mentioned drawbacks. That is, an elongated grip portion having both ends bent to one side is provided, and a gutter-shaped blade body that is curved around an axis in the longitudinal direction is provided at both ends of the grip portion, and a non-longitudinal end edge of the blade body in the longitudinal direction is provided. The scraping blade is configured to come into contact with the peripheral surface of the scraped material. In addition, a longitudinal outer edge of each blade is inclined with respect to the longitudinal axis of the blade, and a scraping blade that contacts the peripheral surface of the non-scraped object is formed on the inclined edge. It was done.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a side view showing a first embodiment of the present invention, and FIG. 2 is a plan view thereof. In FIG. 1 and FIG. 2, 10 is a scraping tool, and the left and right ends 11a and 11b of the elongated grip portion 11 extending in the left and right direction are bent downward, and the left and right ends 11a and 11b are metal plates or stainless steel blades. 13 and 14 are integrally fixed, and scraping blades 13a and 14a are provided on the left end edge of the left blade body 13 and the right end edge of the right blade body 14, respectively.
To form.

The blades 13 and 14 are formed in the shape of a gutter having an open bottom surface so that they can be fitted to the upper half of the non-scraped material 16 such as a pipe material and a bar material, and the blade bodies 90 and 90 with respect to the horizontal axis. Inclined downward (bite angle β) at less than 4 degrees. In addition, the scraping blades 13a and 14a formed on the outermost edges of the blade bodies 13 and 14, respectively.
Is tilted (lateral clearance angle θ) at an angle of 5 ° to 45 ° with respect to the axis orthogonal to the left-right direction. The biting angle β and the lateral clearance angle θ are appropriately set depending on the material or the amount of the adhered matter (concrete, paint, sprayed outer wall material, etc.) adhered to the non-scraped matter 16. Further, the corner portions 13b and 14b (both ends in the width direction of the scraping blades 13a and 14a) of the outermost edges of the blade bodies 13 and 14 are formed into a predetermined curved surface (R) to prevent catching on the adhered matter.

The blades 13 and 14 are integrally connected by a metal connecting piece 15 which is elongated in the left-right direction.
5 is surrounded by a synthetic resin cover 12 to form a grip portion 11 having a predetermined thickness. The scraping blades 13a and 14a formed on the outermost edges of the blades 13 and 14 have a chevron shape (arrow shape) in plan view as shown by a solid line in FIG. 3 or an imaginary line as shown in FIG. You may make it form in the convex curved surface of an arc-shaped planar view.

FIG. 4 shows a second embodiment. This is an upper cover 1 made of synthetic resin, wood or metal in which upper and lower surfaces of a connecting piece 15 for connecting the blade bodies 13 and 14 are separately formed.
The grip portion 11 is formed by being surrounded by 2a and a lower cover 12b, and tightened at two places on the left and right with machine screws 18 and nuts 19. By doing this, the scraping blade 13a,
When 14a is consumed, the upper cover 12a and the lower cover 12b can be replaced with new ones, or different types of blade bodies 13 and 14 (scraping blades 13a and 14a) can be appropriately selected and attached, which is inexpensive. Becomes

FIG. 5 shows a third embodiment. In this case, the left and right blade bodies 13 and 14 are divided, and the grip portion 11 is formed separately from synthetic resin, wood or metal.
The left and right blade bodies 13 and 14 are detachably tightened and fixed to the left and right ends 11a and 11b of the blades with machine screws 20. In this way, when the blade bodies 13 and 14 are downsized and the scraping blades 13a and 14a are consumed, replacement with a new blade can be performed quickly and easily. In addition, blades 13 and 14 of different types can be obtained at low cost,
It requires less storage space.

FIG. 6 shows a fourth embodiment. In this one, a rectangular plate material is bent in a gutter shape, or a pipe material is halved to form blade bodies 13 and 14 at both ends, and a left-right intermediate portion is formed to have a small width to form a connecting portion 15. Each blade 13, 14
Both ends of the grip portion 11 bent in a mountain shape are welded and fixed to the upper surface of the. In this way, the structure is simple and can be obtained at low cost. The present invention is based on the blade 1
3, 14 and the scraping blades 13a, 14a may be formed of a hard plastic material.

[0011]

As is apparent from the above description, according to the present invention, gutter-shaped blades are provided at both ends of the grip, and the outer peripheral edges of the blades come into contact with the peripheral surface of the non-scraped object. Since it is designed to form a scraping blade, the inclination angle (biting angle) of the scraping blade with respect to the non-scraped object is always constant during use.
The load for moving the scraping tool is stable, and the surface of the non-scraping object is not damaged. Further, since the scraping blades are provided at both ends of the grip portion, the scraping tool can be scraped both when the scraping tool is moved forward and backward. Therefore, the invention of the present application has an effect of increasing scraping efficiency without requiring skill and labor for scraping work.

[Brief description of drawings]

FIG. 1 is a side view showing a first embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a plan view corresponding to FIG. 2 showing a modified example of the scraping blade according to the present invention.

FIG. 4 is an exploded side view showing a second embodiment of the present invention.

FIG. 5 is a partially exploded side view showing a third embodiment of the present invention.

FIG. 6 is a perspective view showing a fourth embodiment of the present invention.

FIG. 7 is a perspective view showing a conventional example.

[Explanation of symbols]

 10 scraping tool 11 grip part 11a left end part 11b right end part 12 cover 12a upper cover 12b lower cover 13 blade body 13a scraping blade 13b corner part 14 blade body 14a scraping blade 14b corner part 15 connecting piece 16 non-scraping object 18 small screw 19 Nut 20 machine screw

Claims (2)

[Scope of utility model registration request] 1. An elongated grip portion having both ends bent to one side, and a gutter-shaped blade body curved around an axis in the longitudinal direction at both ends of the grip portion, and a longitudinal outer end of the blade body. A scraping tool characterized in that a scraping blade is formed on the edge so as to come into contact with the peripheral surface of the non-scraped object. 2. A scraping blade which is formed by inclining a longitudinal outer edge of each blade with respect to an axis of the blade in the longitudinal direction and contacting the peripheral surface of the non-scraped object on the slanted edge. The scraping tool according to claim 1, wherein the scraping tool is formed.