KR200465221Y1 - knife sharpener with grinding tip - Google Patents

knife sharpener with grinding tip Download PDF

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Publication number
KR200465221Y1
KR200465221Y1 KR2020120001385U KR20120001385U KR200465221Y1 KR 200465221 Y1 KR200465221 Y1 KR 200465221Y1 KR 2020120001385 U KR2020120001385 U KR 2020120001385U KR 20120001385 U KR20120001385 U KR 20120001385U KR 200465221 Y1 KR200465221 Y1 KR 200465221Y1
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KR
South Korea
Prior art keywords
polishing
tip
polishing tip
blade
shape
Prior art date
Application number
KR2020120001385U
Other languages
Korean (ko)
Inventor
정금수
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정금수
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Publication date
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Priority to KR2020120001385U priority Critical patent/KR200465221Y1/en
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Publication of KR200465221Y1 publication Critical patent/KR200465221Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/54—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of hand or table knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
    • B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
    • B24D15/081—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with sharpening elements in interengaging or in mutual contact

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The present invention relates to a knife blade provided with a polishing tip.
The knife blade provided with the polishing tip of the present invention has a shape of an isosceles triangle having the same shape of the front side and the rear side and the length of the left side and the right side, and the side wall portion connecting the front side and the rear side A first polishing tip formed; The shape of the front part and the rear part is formed in an isosceles triangle shape having the same size of the two base angles, but the base angle is formed in the same size as the two base angles of the first polishing tip, and the side wall portion connecting the front part and the rear part is formed. A second polishing tip having a rear surface right side in contact with a left side of the front portion of the first polishing tip; A third polishing tip formed in the same shape as the second polishing tip and installed to be symmetrical with the second polishing tip with respect to the center vertex of the first polishing tip; The first polishing tip, the second polishing tip, the third polishing tip lower case is installed to be fixed or separated; is configured to include.
According to the present invention, the first polishing tip located on the non-abrasive surface is located on the rear side while the blade and the side wall surfaces of the polishing tip are rubbed, so that the first polishing tip merely serves as a guide. Polishing is performed through the second and third polishing tips to prevent the blades from being rubbed by the first polishing tip after polishing, and the sidewalls are inclined by varying the size of the front and rear portions of the first polishing tip. Or by forming a first guide tip and a second guide tip of the same size in the rear of the second and third polishing tips, the back side of which is applied when a force is pulled forward while the blade is lying on either side. The blade is not twisted into the open space between the side tip and the front side tip so that the blade can be evenly polished.

Description

Knife sharpener with grinding tip

The present invention relates to a knife blade provided with a polishing tip, and more specifically, a two-bladed knife having a blade to be polished on both sides by having a polishing tip having the same shape on both sides with respect to the center polishing tip. The present invention relates to a knife blade with a polishing tip, which makes it possible to eliminate even grinding due to the overlapping of the triangular shaped grinding tips before and after each other.

Knife grinder is a tool that sharpens blades of ceramics such as knives and scissors so that cutting can be done smoothly. Say.

Looking for a conventional technique related to such a knife blade, "Kalgalri" (Korean Utility Model Publication No. 20-1989-0020800, Patent Document 1) as shown in Figure 1 is formed a passage for moving the knife sliding And a technique in which the ultra-light alloy tips are symmetrically installed on one side of the passage inclined with respect to each other are disclosed.

In this case, if the polishing tip is symmetrically installed on both sides of the lower portion of the passage where the knife moves, the knife having only one blade is polished to the portion where the blade is not desired, that is, the blade is not formed, thereby reducing the service life of the knife. there was.

As a technology capable of solving such a problem, "chopping" (Korean Utility Model Publication No. 20-0340783, Patent Document 2) is provided with the inclined sides facing each other, as shown in Figure 2, the edge of the two inclined sides meet The technique of placing the cutting tip back and forth alternately so that the blade tip is in contact with the blade end and the side wall of the inclined side and the blade are rubbed and polished is disclosed.

The patent document 2 has the advantage of being able to easily polish the blade of the blade is formed on the left side of the knife or the blade is formed on the right side of the knife by pressing the side of the blade to the left or the right side relative to the handle. Has

In general, however, when the knife is pulled, the grinding force is actively applied when the knife is pulled, and when the knife is pulled in a state in which the knife is pulled at an angle to the left or the right side, the side to be supported on the front side is positioned at the front side. In this case, the edge of the blade is continuously rubbed on the opposite rear side polishing tip immediately after the friction is made in the front polishing tip, so that the polished blade is blunted.

Because of this problem, there was a problem that the case should be used upside down depending on whether the blade to be polished is left or right.

In particular, the consumer having the blades formed on both sides of the blades without any doubt alternates the blades to the left and right to sharpen the knife. There was also a problem that can not be polished in a balanced manner.

In addition, the blade is twisted into the open space between the back polishing tip and the front polishing tip by applying force when the blade is pulled forward while the blade is pulled forward, so that the blade is not evenly polished. There was also a problem.

KR 20-1989-0020800 (1989.11.01) KR 20-0340783 (2004.01.27)

The knife blade provided with the polishing tip of the present invention is intended to solve the problems occurring in the prior art as described above. The second polishing tip and the third shape having the same shape on both the left and right sides of the first polishing tip having an isosceles triangle shape When the polishing tip is installed to be symmetrical left and right, and the second polishing tip and the third polishing tip are positioned at the front side of the first polishing tip, the third grinding tip is used to polish the right blade, and the left blade is used. The second polishing tip is to be used when polishing, and the second and third polishing tips are to be used to polish the blades on both sides to improve the polishing quality.

In detail, the first polishing tip positioned on the non-polishing surface is located on the rear side while rubbing the sidewall surfaces of the blade and the polishing tip so that the first polishing tip merely serves as a guide. The polishing is performed through the third polishing tip to prevent the blade from being rubbed off by the first polishing tip after polishing.

In addition, by forming the side wall portion inclined by varying the size of the front portion and the rear portion of the first polishing tip, or by forming the first guide tip and the second guide tip of the same size in the rear of the second polishing tip and the third polishing tip The blade is to be evenly polished by applying a force when pulling forward in the state of lying on either side so that the blade is not twisted into the open space between the back side polishing tip and the front side polishing tip. .

In order to solve the above problems, the knife blade provided with the polishing tip of the present invention is formed in an isosceles triangle shape in which the shape of the front part and the rear part is the same in both base angles, and the length of the left and right sides is the same. A first polishing tip having a sidewall portion connecting the portion and the back portion; The shape of the front part and the rear part is formed in an isosceles triangle shape having the same size of the two base angles, but the base angle is formed in the same size as the two base angles of the first polishing tip, and the side wall portion connecting the front part and the rear part is formed. A second polishing tip having a rear surface right side in contact with a left side of the front portion of the first polishing tip; A third polishing tip formed in the same shape as the second polishing tip and installed to be symmetrical with the second polishing tip with respect to the center vertex of the first polishing tip; The first polishing tip, the second polishing tip, the third polishing tip lower case is installed to be fixed or separated; is configured to include.

At this time, the first polishing tip is characterized in that the length of each side of the rear portion is formed larger than the length of the front portion is inclined side wall portion.

Alternatively, a guide tip formed in the same manner as the shape of the first polishing tip is spaced apart from the rear surface of the first polishing tip.

According to the present invention, the second polishing tip and the third polishing tip of the same shape are installed on both left and right sides of the first polishing tip having an isosceles triangle shape so as to be symmetrical left and right, and the second polishing tip and the third polishing When the tip is located in front of the first polishing tip, use the third polishing tip when grinding the right blade, the second polishing tip when grinding the left blade, and when grinding both blades. Polishing quality is improved by utilizing both the second and third polishing tips.

In detail, the first polishing tip positioned on the non-polishing surface is located on the rear side while rubbing the sidewall surfaces of the blade and the polishing tip so that the first polishing tip merely serves as a guide. Polishing may be performed through the third polishing tip to prevent the blade from being rubbed off by the first polishing tip after polishing.

In addition, by forming the side wall portion inclined by varying the size of the front portion and the rear portion of the first polishing tip, or by forming the first guide tip and the second guide tip of the same size in the rear of the second polishing tip and the third polishing tip In the state of pulling forward in the state of pulling the to one side, the force is applied so that the blade is not twisted into the open space between the polishing tip of the back side and the polishing tip of the front side so that the blade can be evenly polished.

1 and 2 is a view showing a conventional knife blade.
Figure 3 is a perspective view showing an embodiment of a knife blade provided with a polishing tip of the present invention.
Figure 4 is a schematic view showing the working state of the knife blade provided with a polishing tip according to the present invention.
Figure 5 is a schematic diagram showing a state of change of the blade when the blade is pulled in a lying state as the first and second polishing tips are arranged to cross back and forth.
Figure 6 is a plan view showing an example in which the side wall portion of the first polishing tip is inclined in the present invention.
Figure 7 is a plan view showing an example of further forming a first guide tip and the second guide tip in the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail with a knife blade provided with a polishing tip of the present invention.

As shown, the knife blade provided with the polishing tip of the present invention, the shape of the front portion 60 and the back portion 70 is the same size of the two base angles, the length of the left side 90 and the right side 100 is the same A first polishing tip (10) formed in an isosceles triangle shape and having sidewall portions (80) connecting the front portion (60) and the back portion (70); The shape of the front part 60 and the back part 70 is formed in an isosceles triangle shape having the same size of the two base angles, but the size of the base angle is the same as the two base angles of the first polishing tip 10. A side wall portion 80 is formed to connect the portion 60 and the back portion 70, and the right side of the back portion 70 is configured to contact the left side of the front portion 60 of the first polishing tip 10. Two polishing tips 20; The third polishing tip 30 is formed in the same shape as the second polishing tip 20, and is installed to be symmetrical with the second polishing tip 20 based on the center vertex of the first polishing tip 10. and; The first polishing tip 10, the second polishing tip 20, the third polishing tip 30, the case 40 is installed to be fixed or separated; is configured to include.

Specifically, as shown in FIG. 3, the first polishing tip 10, the second polishing tip 20, and the third polishing tip 30 and a case 40 for accommodating and fixing each polishing tip are provided. It is configured to include.

The case 40 may be formed in various shapes, but it is preferable that the case 40 is configured to be easily separated for repair or replacement of the polishing tip.

Specifically, as shown in FIG. 3, the case 40 includes a first case 41 and a second case 42 which are in contact with each other and are coupled and fixed by a bolt 43 or the like, and the first case 41. An abrasive tip insertion groove 41a is formed at an upper portion thereof, and a protrusion 50 is formed on an inner wall surface of the abrasive tip insertion groove 41a, and a hole inserted into the protrusion 50 is formed on the abrasive tip. Can be.

That is, when the first case 41 and the second case 42 are separated, the holes of each polishing tip are connected to be fitted to the protrusions 50, and in such a state, the first case 41 and the second case ( By fastening the bolts 43 abutting 42), the polishing tips can be easily installed or removed.

Figure 4 shows the installation state of each polishing tip in the present invention and the operating state of grinding the blade in a planar and front view.

As shown in the drawing, each of the polishing tips has an isosceles triangle shape in which the shape of the front part 60 and the back part 70 is the same in both base angles and the lengths of the left side 90 and the right side 100 are the same. have.

Moreover, the side wall part 80 which connects the front part 60 and the back part 70 is formed in planar view.

In this case, the first polishing tip 10, the second polishing tip 20, and the third polishing tip 30 are all formed with the same base angle.

This is to allow the blades on both sides to be uniformly polished when grinding the blades and the like on which blades are formed on both sides.

As shown in Figure 4, the method of using the knife blade of the present invention, when the blade (1) is formed on the left side as shown in the hatched portion shown in the drawing, the blade (1) sidewall portion of the second polishing tip (20) Use to lie close to 80.

At this time, it is difficult for the user to contact only the blade 1 to the side wall portion 80 of the second polishing tip 20, and the edge side wall portion 2 of the upper edge of the blade 1 has the right side of the second polishing tip 20. A force is applied to the side wall portion 80 of the 100 and the blade 1 is polished while being rubbed with the side wall portion 80 by this force.

In addition, when the blade 1 is formed on the right side, when the blade 1 is brought into close contact with the side wall portion 80 of the third polishing tip 30 and applied with force, the left side of the third polishing tip 30 It is polished while rubbing with the side wall portion 80 of the 90.

Looking at the plan view of Figure 4 in this process, the end of the blade 1 in the process of pulling the knife toward the user's body through the side wall portion 80 of the first polishing tip 10, the second polishing tip ( 20 or the sidewall portion 80 of the third polishing tip 30 can be seen.

Accordingly, when the blade 1 is formed on both sides of the blade side wall portion 2, the first polishing tip 10 without the operation of inverting the case 40 separately, as shown, when the blade 1 is polished. And grinding the left side blade (1) between the second polishing tip 20 and the right side blade (1) between the first polishing tip (10) and the third polishing tip (30) to undergo a simple polishing process. do.

In addition, the first polishing tip 10 merely serves as a guide, and the polishing is performed through the second polishing tip 20 and the third polishing tip 30 so that the end of the blade 1 is polished in the polishing process. It is possible to prevent wear by the polishing tip 10.

The configuration of the present invention as described above can be polished in a balanced manner compared to the conventional knife blades, both sides can prevent the blade (1) end wear.

However, the knife 1 is inclined to the side of the side wall portion 80 of the right side 100 of the second polishing tip 20 so as to polish the knife as shown in FIG. While this is working, the blade 1 receives a force to rotate in a clockwise direction with respect to a portion of the second polishing tip 20 which is in contact with the side wall portion 80 of the right side 100 of the second polishing tip 20, as shown by a dotted line. It is pulled while rotating to the rear of the polishing tip 10 and the open space of the second polishing tip 20.

In other words, the blade 1 is not in close contact with the side wall portion 80 of the right side 100 of the second polishing tip 20 as a whole, so that only a part of the blade 1 may not be smoothly polished.

As a method for solving such a problem, as shown in FIG. 6, the size of the front part and the back part 70 of the first polishing tip 10 is specifically different, and the length of each side of the back part 70 is the front part. The side wall portion 80 may be inclined by being formed larger than the length of 60.

That is, the size of the back portion 70 of the first polishing tip 10 is made larger than the size of the front portion, and is inclined from the back side to the front side in a plan view to the right side wall portion 80 of the second polishing tip 20. This can prevent you from trying to turn clockwise when pulling the knife.

Alternatively, as shown in FIG. 7, the guide tip 110 formed in the same shape as the shape of the first polishing tip 10 may be spaced apart from the rear surface of the first polishing tip 10.

In this case, the guide tip 110 installed on the rear surface of the first polishing tip 10 supports one side of the blade 1 to apply a force when the blade 1 is pulled forward while the blade 1 is lying on either side. Accordingly, the blade 1 is not twisted into the open space between the back polishing tip and the front polishing tip so that the blade 1 can be evenly polished.

The configuration described above has been described as an example in which only one first polishing tip 10 is installed, but is not limited thereto. The first polishing tip 10 may be divided into two sides and used as two pieces.

In addition, a plurality of blades (1) are staggered as described above may be installed more than three.

1: blade 2: blade side wall
10: first polishing tip 20: second polishing tip
30: third polishing tip 40: case
41: first case 41a: abrasive tip insertion groove
42: second case 43: bolt
50: projection 60: front part
70 back surface portion 80 side wall portion
90: left side 100: right side
110: guide tip

Claims (3)

In the knife,
The shape of the front part 60 and the back part 70 is formed in the shape of an isosceles triangle having the same size of the two base angles, the length of the left side 90 and the right side 100 being the same, and the front part 60 and the back part A first polishing tip 10 having a side wall portion 80 connecting the 70 therebetween;
The shape of the front part 60 and the back part 70 is formed in an isosceles triangle shape having the same size of the two base angles, but the size of the base angle is the same as the two base angles of the first polishing tip 10. A side wall portion 80 is formed to connect the portion 60 and the back portion 70, and the right side of the back portion 70 is configured to contact the left side of the front portion 60 of the first polishing tip 10. Two polishing tips 20;
The third polishing tip 30 is formed in the same shape as the second polishing tip 20, and is installed to be symmetrical with the second polishing tip 20 based on the center vertex of the first polishing tip 10. and;
The first polishing tip 10, the second polishing tip 20, the third polishing tip 30, the case 40 is installed to be fixed or separated; is configured to include,
The first polishing tip 10 is the length of each side of the back portion 70 is formed larger than the length of the front portion 60, characterized in that the side wall portion 80 is inclined,
Knife sharpener with abrasive tip. delete delete
KR2020120001385U 2012-02-22 2012-02-22 knife sharpener with grinding tip KR200465221Y1 (en)

Priority Applications (1)

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KR2020120001385U KR200465221Y1 (en) 2012-02-22 2012-02-22 knife sharpener with grinding tip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020120001385U KR200465221Y1 (en) 2012-02-22 2012-02-22 knife sharpener with grinding tip

Publications (1)

Publication Number Publication Date
KR200465221Y1 true KR200465221Y1 (en) 2013-02-07

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Family Applications (1)

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KR2020120001385U KR200465221Y1 (en) 2012-02-22 2012-02-22 knife sharpener with grinding tip

Country Status (1)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200340783Y1 (en) * 2003-10-31 2004-02-11 정재서 A kitchen board

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200340783Y1 (en) * 2003-10-31 2004-02-11 정재서 A kitchen board

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