JPS6014558Y2 - scraper - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a scraper used for scraping off gum, paint, etc. adhering to a floor surface or the like.

(Prior art) Conventionally, this type of scraper has a secondary blade attached to a holder with a fixing device such as a bolt.
The disadvantages are that there are a large number of parts and that attaching and detaching the sub-blade is troublesome.

In addition, the number of parts is reduced, and the scraper blade mounting hole is formed by connecting the widened hole for retaining the scraper blade to the bottom of the scraper retaining groove that is open across the tip and both end faces of the grip handle. A paint scraper is conventionally known in which a scraper blade is press-fitted from the side end surface of a handle.

(Problem to be Solved by the Invention) However, in the above-mentioned paint scraper, since the scraper blade mounting hole is open across the tip surface and both end surfaces of the handle, the scraper blade is removed during use. There is a risk that the blade may move laterally within the blade mounting hole and come off the handle.

In addition, the force that presses down on the scraper blade during use causes a bending moment to act on the bottom of the scraper attachment hole, and since this part is made thinner by the widened hole, the grip handle that holds down the secondary blade is pressed down during use. The grip handle is not strong enough, and the holding force of the scraper blade is weakened, so there is a risk that the handle will break during use, which is a problem.

The present invention was developed to solve these problems, and it is easy to attach and detach the sub-blade, and there is no risk of the sub-blade coming off the holder during use, and there is no risk of the holder being damaged. The purpose is to provide a scraper that does not require a scraper.

(Means for Solving the Problems) In order to achieve the above object, the scraper of the present invention has a flat holder main body, with side edges left at the distal end, and a hole for attaching a sub-blade on the distal end surface of the main body. At the same time, the opening is formed in the longitudinal direction of the main body so that the hole for attaching the secondary blade is reached from the upper surface of the main body. a holder formed of a surface, which is pressed down by the inner wall surface of the secondary blade mounting hole during the process of insertion into the secondary blade mounting hole, and which causes the elastic pressing piece to float after insertion, and the vertical locking member; It is characterized by having a rigid structure comprising a cut-and-raised elastic piece that engages with the surface.

(Operation) In other words, when installing the rigid force into the holder, the rigid force is inserted into the secondary blade attachment hole with the free end of the cut and raised elastic piece facing in the opposite direction to the insertion direction of the rigid force. However, during this insertion process, the cut and raised elastic piece is pressed down against its own elasticity by the inner wall surface of the sub-blade mounting hole, and the rigid force comes into contact with the bottom of the sub-blade mounting hole, causing rigidity to be inserted. Once completed,
The cut and raised elastic piece reaches the lower surface of the elastic pressing piece, overcomes the pressing force of the elastic pressing piece and floats the elastic pressing piece, and the free end of the cut and raised elastic piece engages with the vertical locking surface. By fitting together, the rigid force is attached to the holder in a non-removable and immovable manner.

Next, to remove the rigid force from the holder, press the elastic pressing piece with your fingertips, etc., and pull out the rigid force while releasing the lock between the free end of the cut and raised elastic piece and the vertical locking surface. It is.

Since the holes for attaching the secondary blade are not opened on both sides of the holder, the rigid force will not move laterally while the scraper is in use, and the strength of the part of the holder that suppresses the rigid force while the scraper is in use is sufficiently increased. It is.

(Example) Hereinafter, implementation of the present invention will be explained in detail with reference to the drawings.

In the figure, reference numeral 1 denotes a holder made of synthetic resin, and the holder 1 has a flat holder main body, with side edges left at the distal end, and a secondary blade mounting hole 2 opened on the distal end surface of the main body.
The elastic pressing piece 4 is formed in the longitudinal direction of the main body so as to reach the sub-blade attachment hole 2 from the upper surface of the main body. This is formed by forming a surface 7.

In order to facilitate the pressing operation of the elastic pressing piece 4, the elastic pressing piece 4 includes a pressing portion 5 and a thin portion 6.

8 is a rigid force provided with a cut and raised elastic piece 9 that can be rolled down.

When the rear end of the rigid force 8 comes into contact with the bottom of the sub-blade mounting hole 2, the cut and raised elastic piece 9 is positioned on the lower surface of the elastic pressing piece 4 and floats up with the elastic pressing piece 4, and the cut and raised elastic piece 9 The free end of 9 is adapted to engage the vertical locking surface 7.

Note that the number of cut and raised elastic pieces 9 can be changed to four instead of one.

That is, in order to attach the rigid force 8 to the holder 1, as shown in FIG. Insert into mounting hole 2.

Then, the cut and raised elastic piece 9 is pressed down by the inner wall surface of the sub-blade mounting hole 2 against its own elasticity, and the cut-and-raised elastic piece 9 is pushed down by the inner wall surface of the sub-blade mounting hole 2.
At the same time as the rear end of the rigid force 8 comes into contact with the bottom of the sub-blade mounting hole 2, the cut-and-raised elastic piece 9 reaches the lower surface of the elastic pressing piece 4, and the above-mentioned pressure is released. 1, as shown in FIG. By engaging the free end of the piece 9 in the vertical locking surface 7, the rigid force 8 is irremovably and immovably attached to the holder 1.

Next, in order to remove the rigid force 8 from the holder 1, in the state shown in FIG. 5, press the pressing part 5 of the elastic pressing piece 4 with a fingertip or the like. is pressed down against its own elasticity, and the engagement between the free end of the cut and raised elastic piece 9 and the vertical locking surface 7 is released, so in this state, the rigid force 8 can be pulled out in the direction of the arrow. As a result, the rigid force 8 is removed from the holder 1.

When the number of cut and raised elastic pieces 9 is two, the stiffness is 8.
can be used twice by transferring in two directions, and if there are 4,
It can be used 4 times by transferring the force of 8 in 4 directions.

Since the secondary blade mounting hole 2 is not opened on both side edges of the holder 1, the rigid force 8 moves laterally while the scraper is in use, and there is no fear from the holder 1, and the holder can hold down the rigid force 8 while the scraper is in use. Since the strength of the part is sufficiently large, there is no risk of the holder being damaged during use.

(Effects of the invention) When the invention is adopted, the number of parts is the minimum number of parts of the holder and the rigid force, and in use, the rigid force is fixedly and immovably attached to the secondary blade mounting hole of the holder. On the other hand, the stiffness can be easily attached and detached by the stiff cut-and-raised elastic piece, the vertical locking surface of the holder, and the elastic pressing piece.

Furthermore, since the holes for attaching the secondary blades are not opened on both side edges of the holder, there is no risk that the rigid force will move laterally and come off the holder during use, and the strength of the part of the holder that suppresses the rigid force during use is Since the holder is sufficiently large, there is no risk of the holder being damaged during use.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view, and Figs. 2 and 3 are perspective views of rigidity when there is one cut-and-raised elastic piece and when there are two pieces, respectively. , FIGS. 4 to 6 are enlarged cross-sectional views for explaining the attachment and detachment action of rigid force. 1: Holder, 2: Side blade attachment hole, 3: [Mold cut, 4:
Elastic pressing piece, 5: Pressing part, 6: Thin wall part, 7: Vertical locking surface, 8: Rigidity, 9: Cut and raised elastic piece.

Claims (1)

[Scope of utility model registration request] A hole for attaching a sub-blade is opened in the distal end surface of the flat holder body, leaving both side edges at the distal end of the holder body, and the hole for attaching a sub-blade is reached from the top surface of the main body in the longitudinal direction of the main body. [An elastic pressing piece formed by the mold cut,
A holder formed with a vertical locking surface facing the front end surface of the elastic pressing piece, and a holder that is pressed down by the inner wall surface of the secondary blade mounting hole during the process of inserting it into the secondary blade mounting hole, and after insertion. A scraper comprising a sub-blade comprising a cut-and-raised elastic piece that causes the elastic pressing piece to float and engages with the vertical locking surface.