KR200449482Y1

KR200449482Y1 - Scrapper

Info

Publication number: KR200449482Y1
Application number: KR2020090004042U
Authority: KR
Inventors: 김성덕
Original assignee: 김성덕
Priority date: 2009-04-07
Filing date: 2009-04-07
Publication date: 2010-07-13

Abstract

The present invention relates to a scraper used to remove foreign substances using a blade or to cut a pencil or sheet, such that the adhesion between the blade and the body is improved by the engaging protrusion, the locking groove, the pad, the dot-type protrusion, and the bent tip, The blade that needs to be replaced during use is stored in the scraper itself, so it is easy to use, and the pipe and the boots that make up the handle can be easily combined.

Scraper, Blade, Handle, Turning

Description

Scraper {SCRAPPER}

The present invention relates to a scraper used to remove foreign matter or cut a pencil or sheet by using a blade.

Recently, chewing gum is black on the floor of a street or a corridor of a building, and it hurts aesthetics, and street telephone poles and facility walls have a number of disorderly advertisements, which are hurting urban aesthetics.

A scraper is used to remove such gum or torn off the advertisement and to remove the old wallpaper in the process of wallpapering the wallpaper.

Looking at the conventional scraper with reference to Figure 1, the body (10) (12) is formed in two and concentrically formed in the same position in the fastening holes 13, 14 are fastened to each other by bolts (16), It comprises a handle 18 extending to the rear of the body 10, 12, and a blade 20 fitted in front of the body 10, 12 so that the blade protrudes outward. .

However, the conventional scraper is supported for the force acting to the rear of the blade 20 because the support jaw is formed in the body 10, the force acting forward is only the fastening force of the body (10) (12) Since it depends on the blade 20, foreign matter such as chewing gum or adhesive, such as when the adhesive is strong, there is a problem that the blade 20 is separated from the body (10) (12).

In addition, the body 10, 12 is injection molding with a resin, the thickness of the portion to which the blade 20 is fixed is not thick, in the process of fastening the body 10, 12 with a bolt 16 When the bolt 16 is tightened tightly, the edges of the bodies 10 and 12 are opened so that the bolts 16 are in close contact with each other so that the bodies 10 and 12 do not firmly fix the blade 20. A problem has been encountered.

In addition, if the blade is worn during use, it must be replaced with a new blade. However, since there is no configuration for storing the blade on the scraper, the blade must be stored in a separate storage box of the user to find and replace the blade separately. There was a problem.

The present invention is to solve the above problems, by reinforcing the bearing capacity of the blade to prevent the blade from being separated from the body during use, by providing a structure that can hold the blade to the handle to provide a scraper for convenient use There is.

Features of the present invention for achieving the above object, the body is formed in two and the concentric concentric hole in the same position and fastened to each other with a bolt, the handle is formed to extend to the rear of the body, and the body of the In the scraper comprising a blade that is fitted so that the blade protrudes to the outside in the front, wherein the body is formed in the body corresponding to the hole of the blade to the engaging projection and the engaging projection is inserted into the engaging projection of the blade of the blade Do not get caught and move forward while working.

In addition, a plurality of dot-shaped protrusions protrude from the front end of the body, and the front end of the body is formed to be bent so that the center protrudes slightly outward from the edge so that the center and the edge of the bolt are fastened. It is possible to maintain the horizontal, and the inner circumferential surface in contact with the blade of the body is attached to a pad made of rubber or silicon to increase the blade and frictional force.

On the other hand, the rear of the handle is provided with a cap that can be fastened or detached, the cap is inserted into the inside of the handle is formed integrally with the blade fixing fixture formed with a fixing projection and a support piece for supporting the blade is inserted into the hole of the blade.

Then, in order to fasten and detach the cap, the handle and the cap are formed at the corresponding positions of the operating grooves into which the operating holes such as drivers can be inserted, and the stop grooves are formed at the positions corresponding to the operating grooves of the cap to rotate. prevent.

In addition, the handle is attached to the resin boot (boots) on the outer periphery of the metal pipe, in order to bond them to each other to form an adhesive liquid insertion groove in the joint of the resin boot and the pipe.

According to the present invention configured as described above, the adhesive force between the blade and the body is improved by the locking protrusion and the locking groove, the pad, the dot-shaped protrusion and the bent tip, thereby preventing the blade from being separated from the body or protruding forward.

In addition, since the blade that needs to be replaced during use is stored in the scraper itself, there is an effect of improving convenience in use.

And, it is possible to easily combine the pipe and boots constituting the handle has the effect that the working time is shortened and the work process is greatly reduced.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

Figure 2 is an exploded perspective view showing a scraper according to the present invention and Figure 3 is a perspective view showing a bonding example.

The scraper according to the present invention is formed in two parts, the blade insertion portion 110 is formed in the front and the body 130 is fastened to each other by bolts 126 concentrically fastening holes 122 and 124 in the same position. 140, the handle 200 extending in the rear of the body 130, 140, and the blade 160 is fitted so that the blade protrudes to the outside in front of the body (130, 140). It is configured to include).

Of the body 130, 140, the front blade insertion portion 110 end of the first body 130 to the hole 162 of the blade at a position corresponding to the hole 162 drilled in the blade 160 A locking protrusion 132 is inserted into the protrusion, and a locking groove 142 into which the locking protrusion 132 is inserted is formed at a position corresponding to the locking protrusion 132 of the second body 140 to form a hole in the blade. 162 is caught by the locking projections 132 so as not to be separated, since the position of the hole 162 bored in the blade 20 is formed in the middle of the width direction in the above, the blade portion of the blade 160 is projected to the outside The part without the blade is inserted into the blade inserting portion 110 so that the locking projection 132 and the locking groove 142 is formed in a semi-circle of the half size of the hole 162.

In addition, a plurality of dot-type protrusions 134 and 144 protrude linearly along an end portion at the end of the blade insertion portion 110 of the body 130 and 140 as shown in FIGS. 2 to 4. Is formed to improve the adhesion to the blade 160, the blade insertion portion 110 of the body 130, 140 is bent so that the central portion slightly protrudes outward than the edge as shown by the dotted line of FIG. When the bolt 126 is fastened, as shown by the solid line in FIG. 5, the center and the edges can be kept horizontal.

In addition, as shown in Figure 6, the blade insertion portion 110 of the body 130, 140 is attached to the pad 170 made of rubber or silicon to increase the friction force with the blade 160.

On the other hand, the handle 200 is formed in a tubular shape as shown in Figures 7 and 8 to install a cap 210 that can be fastened or detached at the rear, for this purpose the cap 210 is the inner circumference of the handle 200 Is positioned on the outer periphery of the boss 212 and the handle 200 is inserted into a gripping portion 214 to be gripped by the user in the fastening or detachment process, the cap 210 is fitted to the handle 200 The coupling method, such as to be coupled to or screwed together may be used in any of the known.

In addition, the blade 210 is formed inside the boss 212 of the cap 210 to be inserted into the inside of the handle 200, the blade fixture 220 is the blade 160 can be fixed It is formed in a length and width, the fixing protrusion 222 is formed is inserted into the hole 162 of the blade 160, the edge of the blade 160 to be fixed to the blade 160 in the blade fixture 220 The support piece 224 is formed, and the support piece 224 is formed because the blade (160) has a long rhombus shape, the length of the blade if the support piece 224 is formed only on the blade portion and the lower end portion. 160 may be fixed to the position on the blade fixture 220.

In addition, the blade fixing fixture 220 is further provided with a gripping groove 228 to facilitate gripping by hand in the process of fixing and separating the blade 160.

On the other hand, the cap 210 is coupled to the interference fit type in the embodiment of the present invention, when combined in such a force fit type is necessary because the structure that can push the cap 210 in the separation process, the A position corresponding to the cap 210 of the handle 200 forms an operation groove 206 into which an operation tool such as a driver can be inserted. In an embodiment of the present invention, the operation groove 206 is formed by the handle 200. The stopper 216 is formed at a position corresponding to the operation groove 206 of the cap 210 to prevent the cap 210 from flowing.

And, the boss 212 of the cap 210 is formed with a protrusion to improve the coupling force with the handle 200.

On the other hand, the handle 200 is a resin boot (240, 240) is attached to the outer periphery of the metal pipe 230, in order to bond them to each other, the adhesive to the joint of the resin boot 240 and the pipe 230 Injecting the adhesive through the insertion groove 250 to form a liquid insertion groove 250 to be coupled to each other, the insertion groove 250 is formed as large as the inlet dimension of about 4mm, the internal dimension is formed as small as about 0.3mm The adhesive container is inserted into the inlet to inject the adhesive liquid, and the injected adhesive liquid penetrates into the interior having a narrow gap to couple the boots 240 and the pipe 230 in a short time.

1 is a perspective view showing a conventional scraper

Figure 2 is an exploded perspective view showing a scraper according to the present invention

3 is a perspective view showing an example of coupling the scraper according to the present invention

4 is a cross-sectional view showing the blade fixed state by the dot-type projections

5 is a cross-sectional view showing a blade fixed state of the blade fixed portion bent structure of the scraper.

6 is a cross-sectional view showing the blade fixed state by the pad.

7 and 8 are cross-sectional views showing a handle structure

* Description of the symbols for the main parts of the drawings *

130, 140: body 132: locking projection

142: locking groove 134, 144: dot type projection

160: blade 200: handle

220: blade fixture

Claims

The body 130 and 140 which are formed in two minutes and concentrically concentrically formed at the same position and are fastened to each other by bolts 126, and extends to the rear of the body 130 and 140. In the scraper comprising a handle 200 is formed, and the blade 160 is fitted in front of the body 130, 140 so that the blade protrudes outward,

The handle 200 is formed in a tubular shape so that the cap 210 is detachably installed at the rear, and is inserted into the handle 200 inside the cap 210 and the hole 162 of the blade 160. Scraper, characterized in that the blade fixing fixture 220 is formed integrally with the fixing projection 222 is inserted and the support piece 224 for supporting the blade 160.

The method of claim 1, wherein the handle 200 is a resin boot (240, 240) is attached to the outer periphery of the metal pipe 230, the resin boot 240 and the pipe 230 to combine them with each other Scraper, characterized in that for forming the adhesive liquid insertion groove 250 in the junction.

According to claim 1, wherein a plurality of dot-type projections (134, 133) protruding from the front end of the body 130, 140 to improve the adhesion to the blade 160 Scraper.

According to claim 1, wherein the front end portion of the body (130, 140) is formed to be bent so that the center portion protrudes outward more than the edge portion to ensure that the center and the edge is horizontal when the bolt 126 is fastened Characterized by scraper.

The scraper of claim 1, wherein a pad 170 made of rubber or silicon is attached to an inner circumferential surface of the bodies 130 and 140 in contact with the blade 160 to increase friction with the blade 160. .

According to any one of claims 3 to 5, One of the body 130, 140, the front side of one of the body of the engaging projection 132 is formed in a position corresponding to the hole of the blade 160 The scraper, characterized in that the engaging groove 142 is formed in the other body that is engaged with the body formed with the engaging projection 132 is inserted so that the hole of the blade is not caught by the engaging projection.