Single-edge sharpening kitchen knife capable of keeping sharpness

Abstract

A single-edge sharpening kitchen knife capable of keeping sharpness comprises a knife body and a knife handle and is characterized in that one side face of the knife body is a vertical face, the other side face of the knife body is an inclined face, the vertical face is subjected to heat treatment to form a superhard hardened layer with the hardness of HRC80-HRC85, the hardness of the inclined face is HRC45-HRC50, the vertical face faces the side of food materials to be cut, and the knife handle is arranged on the knife handle. And the inclined surface is a blade grinding surface. According to the kitchen knife sharpener, the sharpness of a kitchen knife can be kept for a long time, even if the kitchen knife needs to be sharpened, single-face knife sharpening is carried out on an inclined face with the hardness of HRC45-HRC50, a superhard hardened layer cannot be damaged, time and labor are saved in operation, the knife sharpening efficiency is high, the requirement for the technical level of knife sharpening of an operator is not high, a common operator can complete knife sharpening work, and the knife sharpening cost is extremely low.

Description

Technical Field

[0001] The utility model relates to a kitchen knife, in particular to a single-sided sharpened kitchen knife capable of maintaining sharpness. Background Art

[0002] Kitchen knives are commonly used in households, canteens and restaurants. Existing kitchen knives are gradually thinned from the back of the knife to the blade, and the two sides are beveled. During the manufacturing process, a martensitic structure with the same hardness is formed on both sides of the blade through a heat treatment process, and the hardness is HRC55-HRC 60. After a period of use, double-sided sharpening is required to maintain the sharpness of the knife. Double-sided sharpening requires a high level of technical skills of the operator, and often requires special tools to be sharpened by professionals, which is costly. Otherwise, ordinary operators are limited by their technical level, and the sharpening effect is poor. In addition, improper operation may cause the blade to curl. Since the hardness of the blade is conventional hardness, the blade part wears quickly, and the blade must be sharpened frequently, which is time-consuming and laborious. It is difficult to keep the sharpness of the knife for a long time after sharpening once, and frequent sharpening shortens the service life of the kitchen knife. Summary of the invention

[0003] The purpose of the utility model is to solve the above problems existing in the prior art and to provide a single-sided sharpened kitchen knife which can maintain its sharpness.

[0004] The technical solution of the utility model is: a single-sided sharpened kitchen knife that can maintain sharpness, including a knife body and a knife handle, and its special features are: one side of the knife body 1 is a vertical surface and the other side is an inclined surface, the vertical surface is heat-treated to form a super-hardened layer with a hardness of HRC80-HRC85, the hardness of the inclined surface is HRC45-HRC50, the vertical surface faces the side of the food to be cut, and the inclined surface is a sharpened surface.

[0005] Furthermore, the depth of the superhardened layer is 0.2-0.5 mm.

[0006] Furthermore, the top width of the inclined surface is 6 mm, the bottom of the inclined surface is a blade portion, the blade portion corresponding to the inclined surface forms a sharp angle with the superhardened layer at the lower end of the blade body, and the top width of the blade portion corresponding to the inclined surface is 1.5 mm.

[0007] Furthermore, the height of the blade is 10-15 mm.

[0008] The utility model changes the traditional double-sided grinding into single-sided grinding, and the vertical surface is a super-hardened layer as the food cutting surface. Since the super-hardened layer is extremely hardened, the sharpness of the kitchen knife can be maintained for a long time. Even if the knife needs to be sharpened again, only the single-sided grinding is performed on the inclined surface with a hardness of HRC45-HRC50, which will not damage the super-hardened layer. The operation is time-saving and labor-saving, and the sharpening efficiency is high. The technical level of the operator for sharpening is not high, and ordinary operators can also complete the sharpening work, and the sharpening cost is extremely low. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model;

[0010] Figure 2 yes Figure 1 AA section view. DETAILED DESCRIPTION

[0011] As shown in the figure, a single-sided sharpened kitchen knife that can maintain sharpness includes a knife body 1 and a handle 2. One side of the knife body 1 is a vertical surface 101 and the other side is an inclined surface 102. The vertical surface 101 is heat-treated to form a super-hardened layer 103 with a hardness of HRC80-HRC85. The hardness of the inclined surface 102 is HRC45-HRC50. The vertical surface 101 faces the side of the food to be cut, and the inclined surface 102 is a sharpened surface.

[0012] The super-hardened layer 103 has a depth of 0.2-0.5 mm.

[0013] The top width of the inclined surface 102 is 6 mm, the bottom of the inclined surface 102 is the blade portion 104, the blade portion corresponding to the inclined surface 102 and the superhardened layer 103 form a sharp angle at the lower end of the blade body 1, and the top width of the blade portion 104 corresponding to the inclined surface 102 is 1.5 mm.

[0014] The height of the blade portion 104 is 10-15 mm.

[0015] The above are only specific embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A single-sided sharpened kitchen knife capable of maintaining sharpness, comprising a knife body and a knife handle, characterized in that: One side of the knife body is a vertical surface and the other side is an inclined surface. After heat treatment, the vertical surface forms an ultra-hardened layer with a hardness of HRC80-HRC85, and the hardness of the inclined surface is HRC45-HRC50. The vertical surface faces the side of the food to be cut, and the inclined surface is a sharpening surface.

2. The single-sided sharpened kitchen knife capable of maintaining sharpness according to claim 1, characterized in that: The depth of the super-hardened layer is 0.2-0.5 mm.

3. The single-sided sharpened kitchen knife capable of maintaining sharpness according to claim 1, characterized in that: The top width of the inclined surface is 6 mm, the bottom of the inclined surface is the blade portion, the blade portion corresponding to the inclined surface forms a sharp angle with the super-hardened layer at the lower end of the blade body, and the top width of the blade portion corresponding to the inclined surface is 1.5 mm.

4. The single-sided sharpened kitchen knife capable of maintaining sharpness according to claim 3, characterized in that: The height of the blade is 10-15 mm.

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